diff --git a/.gitignore b/.gitignore
index 9c4f2b1..dd783b5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,6 +15,5 @@ bower_components
 report
 .DS_Store
 
-build/
+.build/
 .nyc_output/
-lib/
diff --git a/LICENSE b/LICENSE
index 666e602..ebabf90 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2017 Emilio Almansi
+Copyright (c) 2017-2018 Emilio Almansi
 
 Parts of this software are based on bitcore-lib
 Copyright (c) 2013-2017 BitPay, Inc.
diff --git a/LICENSE.js b/LICENSE.js
new file mode 100644
index 0000000..22ef314
--- /dev/null
+++ b/LICENSE.js
@@ -0,0 +1,13 @@
+/**
+ * @license
+ * https://github.com/bitcoincashjs/bitcoincashjs
+ * Copyright (c) 2017-2018 Emilio Almansi
+ * Copyright (c) 2013-2017 BitPay, Inc.
+ * Copyright (c) 2009-2015 The Bitcoin Core developers
+ * Copyright (c) 2014 Ryan X. Charles
+ * Copyright (c) 2014 reddit, Inc.
+ * Copyright (c) 2011 Stefan Thomas <justmoon@members.fsf.org>
+ * Copyright (c) 2011 Google Inc.
+ * Distributed under the MIT software license, see the accompanying
+ * file LICENSE or http://www.opensource.org/licenses/mit-license.php.
+ */
diff --git a/dist/bitcoincash-0.1.9.js b/dist/bitcoincash-0.1.9.js
new file mode 100644
index 0000000..43e656e
--- /dev/null
+++ b/dist/bitcoincash-0.1.9.js
@@ -0,0 +1,61917 @@
+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.bch = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+var asn1 = exports;
+
+asn1.bignum = require('bn.js');
+
+asn1.define = require('./asn1/api').define;
+asn1.base = require('./asn1/base');
+asn1.constants = require('./asn1/constants');
+asn1.decoders = require('./asn1/decoders');
+asn1.encoders = require('./asn1/encoders');
+
+},{"./asn1/api":2,"./asn1/base":4,"./asn1/constants":8,"./asn1/decoders":10,"./asn1/encoders":13,"bn.js":15}],2:[function(require,module,exports){
+var asn1 = require('../asn1');
+var inherits = require('inherits');
+
+var api = exports;
+
+api.define = function define(name, body) {
+  return new Entity(name, body);
+};
+
+function Entity(name, body) {
+  this.name = name;
+  this.body = body;
+
+  this.decoders = {};
+  this.encoders = {};
+};
+
+Entity.prototype._createNamed = function createNamed(base) {
+  var named;
+  try {
+    named = require('vm').runInThisContext(
+      '(function ' + this.name + '(entity) {\n' +
+      '  this._initNamed(entity);\n' +
+      '})'
+    );
+  } catch (e) {
+    named = function (entity) {
+      this._initNamed(entity);
+    };
+  }
+  inherits(named, base);
+  named.prototype._initNamed = function initnamed(entity) {
+    base.call(this, entity);
+  };
+
+  return new named(this);
+};
+
+Entity.prototype._getDecoder = function _getDecoder(enc) {
+  enc = enc || 'der';
+  // Lazily create decoder
+  if (!this.decoders.hasOwnProperty(enc))
+    this.decoders[enc] = this._createNamed(asn1.decoders[enc]);
+  return this.decoders[enc];
+};
+
+Entity.prototype.decode = function decode(data, enc, options) {
+  return this._getDecoder(enc).decode(data, options);
+};
+
+Entity.prototype._getEncoder = function _getEncoder(enc) {
+  enc = enc || 'der';
+  // Lazily create encoder
+  if (!this.encoders.hasOwnProperty(enc))
+    this.encoders[enc] = this._createNamed(asn1.encoders[enc]);
+  return this.encoders[enc];
+};
+
+Entity.prototype.encode = function encode(data, enc, /* internal */ reporter) {
+  return this._getEncoder(enc).encode(data, reporter);
+};
+
+},{"../asn1":1,"inherits":145,"vm":212}],3:[function(require,module,exports){
+var inherits = require('inherits');
+var Reporter = require('../base').Reporter;
+var Buffer = require('buffer').Buffer;
+
+function DecoderBuffer(base, options) {
+  Reporter.call(this, options);
+  if (!Buffer.isBuffer(base)) {
+    this.error('Input not Buffer');
+    return;
+  }
+
+  this.base = base;
+  this.offset = 0;
+  this.length = base.length;
+}
+inherits(DecoderBuffer, Reporter);
+exports.DecoderBuffer = DecoderBuffer;
+
+DecoderBuffer.prototype.save = function save() {
+  return { offset: this.offset, reporter: Reporter.prototype.save.call(this) };
+};
+
+DecoderBuffer.prototype.restore = function restore(save) {
+  // Return skipped data
+  var res = new DecoderBuffer(this.base);
+  res.offset = save.offset;
+  res.length = this.offset;
+
+  this.offset = save.offset;
+  Reporter.prototype.restore.call(this, save.reporter);
+
+  return res;
+};
+
+DecoderBuffer.prototype.isEmpty = function isEmpty() {
+  return this.offset === this.length;
+};
+
+DecoderBuffer.prototype.readUInt8 = function readUInt8(fail) {
+  if (this.offset + 1 <= this.length)
+    return this.base.readUInt8(this.offset++, true);
+  else
+    return this.error(fail || 'DecoderBuffer overrun');
+}
+
+DecoderBuffer.prototype.skip = function skip(bytes, fail) {
+  if (!(this.offset + bytes <= this.length))
+    return this.error(fail || 'DecoderBuffer overrun');
+
+  var res = new DecoderBuffer(this.base);
+
+  // Share reporter state
+  res._reporterState = this._reporterState;
+
+  res.offset = this.offset;
+  res.length = this.offset + bytes;
+  this.offset += bytes;
+  return res;
+}
+
+DecoderBuffer.prototype.raw = function raw(save) {
+  return this.base.slice(save ? save.offset : this.offset, this.length);
+}
+
+function EncoderBuffer(value, reporter) {
+  if (Array.isArray(value)) {
+    this.length = 0;
+    this.value = value.map(function(item) {
+      if (!(item instanceof EncoderBuffer))
+        item = new EncoderBuffer(item, reporter);
+      this.length += item.length;
+      return item;
+    }, this);
+  } else if (typeof value === 'number') {
+    if (!(0 <= value && value <= 0xff))
+      return reporter.error('non-byte EncoderBuffer value');
+    this.value = value;
+    this.length = 1;
+  } else if (typeof value === 'string') {
+    this.value = value;
+    this.length = Buffer.byteLength(value);
+  } else if (Buffer.isBuffer(value)) {
+    this.value = value;
+    this.length = value.length;
+  } else {
+    return reporter.error('Unsupported type: ' + typeof value);
+  }
+}
+exports.EncoderBuffer = EncoderBuffer;
+
+EncoderBuffer.prototype.join = function join(out, offset) {
+  if (!out)
+    out = new Buffer(this.length);
+  if (!offset)
+    offset = 0;
+
+  if (this.length === 0)
+    return out;
+
+  if (Array.isArray(this.value)) {
+    this.value.forEach(function(item) {
+      item.join(out, offset);
+      offset += item.length;
+    });
+  } else {
+    if (typeof this.value === 'number')
+      out[offset] = this.value;
+    else if (typeof this.value === 'string')
+      out.write(this.value, offset);
+    else if (Buffer.isBuffer(this.value))
+      this.value.copy(out, offset);
+    offset += this.length;
+  }
+
+  return out;
+};
+
+},{"../base":4,"buffer":70,"inherits":145}],4:[function(require,module,exports){
+var base = exports;
+
+base.Reporter = require('./reporter').Reporter;
+base.DecoderBuffer = require('./buffer').DecoderBuffer;
+base.EncoderBuffer = require('./buffer').EncoderBuffer;
+base.Node = require('./node');
+
+},{"./buffer":3,"./node":5,"./reporter":6}],5:[function(require,module,exports){
+var Reporter = require('../base').Reporter;
+var EncoderBuffer = require('../base').EncoderBuffer;
+var DecoderBuffer = require('../base').DecoderBuffer;
+var assert = require('minimalistic-assert');
+
+// Supported tags
+var tags = [
+  'seq', 'seqof', 'set', 'setof', 'objid', 'bool',
+  'gentime', 'utctime', 'null_', 'enum', 'int', 'objDesc',
+  'bitstr', 'bmpstr', 'charstr', 'genstr', 'graphstr', 'ia5str', 'iso646str',
+  'numstr', 'octstr', 'printstr', 't61str', 'unistr', 'utf8str', 'videostr'
+];
+
+// Public methods list
+var methods = [
+  'key', 'obj', 'use', 'optional', 'explicit', 'implicit', 'def', 'choice',
+  'any', 'contains'
+].concat(tags);
+
+// Overrided methods list
+var overrided = [
+  '_peekTag', '_decodeTag', '_use',
+  '_decodeStr', '_decodeObjid', '_decodeTime',
+  '_decodeNull', '_decodeInt', '_decodeBool', '_decodeList',
+
+  '_encodeComposite', '_encodeStr', '_encodeObjid', '_encodeTime',
+  '_encodeNull', '_encodeInt', '_encodeBool'
+];
+
+function Node(enc, parent) {
+  var state = {};
+  this._baseState = state;
+
+  state.enc = enc;
+
+  state.parent = parent || null;
+  state.children = null;
+
+  // State
+  state.tag = null;
+  state.args = null;
+  state.reverseArgs = null;
+  state.choice = null;
+  state.optional = false;
+  state.any = false;
+  state.obj = false;
+  state.use = null;
+  state.useDecoder = null;
+  state.key = null;
+  state['default'] = null;
+  state.explicit = null;
+  state.implicit = null;
+  state.contains = null;
+
+  // Should create new instance on each method
+  if (!state.parent) {
+    state.children = [];
+    this._wrap();
+  }
+}
+module.exports = Node;
+
+var stateProps = [
+  'enc', 'parent', 'children', 'tag', 'args', 'reverseArgs', 'choice',
+  'optional', 'any', 'obj', 'use', 'alteredUse', 'key', 'default', 'explicit',
+  'implicit', 'contains'
+];
+
+Node.prototype.clone = function clone() {
+  var state = this._baseState;
+  var cstate = {};
+  stateProps.forEach(function(prop) {
+    cstate[prop] = state[prop];
+  });
+  var res = new this.constructor(cstate.parent);
+  res._baseState = cstate;
+  return res;
+};
+
+Node.prototype._wrap = function wrap() {
+  var state = this._baseState;
+  methods.forEach(function(method) {
+    this[method] = function _wrappedMethod() {
+      var clone = new this.constructor(this);
+      state.children.push(clone);
+      return clone[method].apply(clone, arguments);
+    };
+  }, this);
+};
+
+Node.prototype._init = function init(body) {
+  var state = this._baseState;
+
+  assert(state.parent === null);
+  body.call(this);
+
+  // Filter children
+  state.children = state.children.filter(function(child) {
+    return child._baseState.parent === this;
+  }, this);
+  assert.equal(state.children.length, 1, 'Root node can have only one child');
+};
+
+Node.prototype._useArgs = function useArgs(args) {
+  var state = this._baseState;
+
+  // Filter children and args
+  var children = args.filter(function(arg) {
+    return arg instanceof this.constructor;
+  }, this);
+  args = args.filter(function(arg) {
+    return !(arg instanceof this.constructor);
+  }, this);
+
+  if (children.length !== 0) {
+    assert(state.children === null);
+    state.children = children;
+
+    // Replace parent to maintain backward link
+    children.forEach(function(child) {
+      child._baseState.parent = this;
+    }, this);
+  }
+  if (args.length !== 0) {
+    assert(state.args === null);
+    state.args = args;
+    state.reverseArgs = args.map(function(arg) {
+      if (typeof arg !== 'object' || arg.constructor !== Object)
+        return arg;
+
+      var res = {};
+      Object.keys(arg).forEach(function(key) {
+        if (key == (key | 0))
+          key |= 0;
+        var value = arg[key];
+        res[value] = key;
+      });
+      return res;
+    });
+  }
+};
+
+//
+// Overrided methods
+//
+
+overrided.forEach(function(method) {
+  Node.prototype[method] = function _overrided() {
+    var state = this._baseState;
+    throw new Error(method + ' not implemented for encoding: ' + state.enc);
+  };
+});
+
+//
+// Public methods
+//
+
+tags.forEach(function(tag) {
+  Node.prototype[tag] = function _tagMethod() {
+    var state = this._baseState;
+    var args = Array.prototype.slice.call(arguments);
+
+    assert(state.tag === null);
+    state.tag = tag;
+
+    this._useArgs(args);
+
+    return this;
+  };
+});
+
+Node.prototype.use = function use(item) {
+  assert(item);
+  var state = this._baseState;
+
+  assert(state.use === null);
+  state.use = item;
+
+  return this;
+};
+
+Node.prototype.optional = function optional() {
+  var state = this._baseState;
+
+  state.optional = true;
+
+  return this;
+};
+
+Node.prototype.def = function def(val) {
+  var state = this._baseState;
+
+  assert(state['default'] === null);
+  state['default'] = val;
+  state.optional = true;
+
+  return this;
+};
+
+Node.prototype.explicit = function explicit(num) {
+  var state = this._baseState;
+
+  assert(state.explicit === null && state.implicit === null);
+  state.explicit = num;
+
+  return this;
+};
+
+Node.prototype.implicit = function implicit(num) {
+  var state = this._baseState;
+
+  assert(state.explicit === null && state.implicit === null);
+  state.implicit = num;
+
+  return this;
+};
+
+Node.prototype.obj = function obj() {
+  var state = this._baseState;
+  var args = Array.prototype.slice.call(arguments);
+
+  state.obj = true;
+
+  if (args.length !== 0)
+    this._useArgs(args);
+
+  return this;
+};
+
+Node.prototype.key = function key(newKey) {
+  var state = this._baseState;
+
+  assert(state.key === null);
+  state.key = newKey;
+
+  return this;
+};
+
+Node.prototype.any = function any() {
+  var state = this._baseState;
+
+  state.any = true;
+
+  return this;
+};
+
+Node.prototype.choice = function choice(obj) {
+  var state = this._baseState;
+
+  assert(state.choice === null);
+  state.choice = obj;
+  this._useArgs(Object.keys(obj).map(function(key) {
+    return obj[key];
+  }));
+
+  return this;
+};
+
+Node.prototype.contains = function contains(item) {
+  var state = this._baseState;
+
+  assert(state.use === null);
+  state.contains = item;
+
+  return this;
+};
+
+//
+// Decoding
+//
+
+Node.prototype._decode = function decode(input, options) {
+  var state = this._baseState;
+
+  // Decode root node
+  if (state.parent === null)
+    return input.wrapResult(state.children[0]._decode(input, options));
+
+  var result = state['default'];
+  var present = true;
+
+  var prevKey = null;
+  if (state.key !== null)
+    prevKey = input.enterKey(state.key);
+
+  // Check if tag is there
+  if (state.optional) {
+    var tag = null;
+    if (state.explicit !== null)
+      tag = state.explicit;
+    else if (state.implicit !== null)
+      tag = state.implicit;
+    else if (state.tag !== null)
+      tag = state.tag;
+
+    if (tag === null && !state.any) {
+      // Trial and Error
+      var save = input.save();
+      try {
+        if (state.choice === null)
+          this._decodeGeneric(state.tag, input, options);
+        else
+          this._decodeChoice(input, options);
+        present = true;
+      } catch (e) {
+        present = false;
+      }
+      input.restore(save);
+    } else {
+      present = this._peekTag(input, tag, state.any);
+
+      if (input.isError(present))
+        return present;
+    }
+  }
+
+  // Push object on stack
+  var prevObj;
+  if (state.obj && present)
+    prevObj = input.enterObject();
+
+  if (present) {
+    // Unwrap explicit values
+    if (state.explicit !== null) {
+      var explicit = this._decodeTag(input, state.explicit);
+      if (input.isError(explicit))
+        return explicit;
+      input = explicit;
+    }
+
+    var start = input.offset;
+
+    // Unwrap implicit and normal values
+    if (state.use === null && state.choice === null) {
+      if (state.any)
+        var save = input.save();
+      var body = this._decodeTag(
+        input,
+        state.implicit !== null ? state.implicit : state.tag,
+        state.any
+      );
+      if (input.isError(body))
+        return body;
+
+      if (state.any)
+        result = input.raw(save);
+      else
+        input = body;
+    }
+
+    if (options && options.track && state.tag !== null)
+      options.track(input.path(), start, input.length, 'tagged');
+
+    if (options && options.track && state.tag !== null)
+      options.track(input.path(), input.offset, input.length, 'content');
+
+    // Select proper method for tag
+    if (state.any)
+      result = result;
+    else if (state.choice === null)
+      result = this._decodeGeneric(state.tag, input, options);
+    else
+      result = this._decodeChoice(input, options);
+
+    if (input.isError(result))
+      return result;
+
+    // Decode children
+    if (!state.any && state.choice === null && state.children !== null) {
+      state.children.forEach(function decodeChildren(child) {
+        // NOTE: We are ignoring errors here, to let parser continue with other
+        // parts of encoded data
+        child._decode(input, options);
+      });
+    }
+
+    // Decode contained/encoded by schema, only in bit or octet strings
+    if (state.contains && (state.tag === 'octstr' || state.tag === 'bitstr')) {
+      var data = new DecoderBuffer(result);
+      result = this._getUse(state.contains, input._reporterState.obj)
+          ._decode(data, options);
+    }
+  }
+
+  // Pop object
+  if (state.obj && present)
+    result = input.leaveObject(prevObj);
+
+  // Set key
+  if (state.key !== null && (result !== null || present === true))
+    input.leaveKey(prevKey, state.key, result);
+  else if (prevKey !== null)
+    input.exitKey(prevKey);
+
+  return result;
+};
+
+Node.prototype._decodeGeneric = function decodeGeneric(tag, input, options) {
+  var state = this._baseState;
+
+  if (tag === 'seq' || tag === 'set')
+    return null;
+  if (tag === 'seqof' || tag === 'setof')
+    return this._decodeList(input, tag, state.args[0], options);
+  else if (/str$/.test(tag))
+    return this._decodeStr(input, tag, options);
+  else if (tag === 'objid' && state.args)
+    return this._decodeObjid(input, state.args[0], state.args[1], options);
+  else if (tag === 'objid')
+    return this._decodeObjid(input, null, null, options);
+  else if (tag === 'gentime' || tag === 'utctime')
+    return this._decodeTime(input, tag, options);
+  else if (tag === 'null_')
+    return this._decodeNull(input, options);
+  else if (tag === 'bool')
+    return this._decodeBool(input, options);
+  else if (tag === 'objDesc')
+    return this._decodeStr(input, tag, options);
+  else if (tag === 'int' || tag === 'enum')
+    return this._decodeInt(input, state.args && state.args[0], options);
+
+  if (state.use !== null) {
+    return this._getUse(state.use, input._reporterState.obj)
+        ._decode(input, options);
+  } else {
+    return input.error('unknown tag: ' + tag);
+  }
+};
+
+Node.prototype._getUse = function _getUse(entity, obj) {
+
+  var state = this._baseState;
+  // Create altered use decoder if implicit is set
+  state.useDecoder = this._use(entity, obj);
+  assert(state.useDecoder._baseState.parent === null);
+  state.useDecoder = state.useDecoder._baseState.children[0];
+  if (state.implicit !== state.useDecoder._baseState.implicit) {
+    state.useDecoder = state.useDecoder.clone();
+    state.useDecoder._baseState.implicit = state.implicit;
+  }
+  return state.useDecoder;
+};
+
+Node.prototype._decodeChoice = function decodeChoice(input, options) {
+  var state = this._baseState;
+  var result = null;
+  var match = false;
+
+  Object.keys(state.choice).some(function(key) {
+    var save = input.save();
+    var node = state.choice[key];
+    try {
+      var value = node._decode(input, options);
+      if (input.isError(value))
+        return false;
+
+      result = { type: key, value: value };
+      match = true;
+    } catch (e) {
+      input.restore(save);
+      return false;
+    }
+    return true;
+  }, this);
+
+  if (!match)
+    return input.error('Choice not matched');
+
+  return result;
+};
+
+//
+// Encoding
+//
+
+Node.prototype._createEncoderBuffer = function createEncoderBuffer(data) {
+  return new EncoderBuffer(data, this.reporter);
+};
+
+Node.prototype._encode = function encode(data, reporter, parent) {
+  var state = this._baseState;
+  if (state['default'] !== null && state['default'] === data)
+    return;
+
+  var result = this._encodeValue(data, reporter, parent);
+  if (result === undefined)
+    return;
+
+  if (this._skipDefault(result, reporter, parent))
+    return;
+
+  return result;
+};
+
+Node.prototype._encodeValue = function encode(data, reporter, parent) {
+  var state = this._baseState;
+
+  // Decode root node
+  if (state.parent === null)
+    return state.children[0]._encode(data, reporter || new Reporter());
+
+  var result = null;
+
+  // Set reporter to share it with a child class
+  this.reporter = reporter;
+
+  // Check if data is there
+  if (state.optional && data === undefined) {
+    if (state['default'] !== null)
+      data = state['default']
+    else
+      return;
+  }
+
+  // Encode children first
+  var content = null;
+  var primitive = false;
+  if (state.any) {
+    // Anything that was given is translated to buffer
+    result = this._createEncoderBuffer(data);
+  } else if (state.choice) {
+    result = this._encodeChoice(data, reporter);
+  } else if (state.contains) {
+    content = this._getUse(state.contains, parent)._encode(data, reporter);
+    primitive = true;
+  } else if (state.children) {
+    content = state.children.map(function(child) {
+      if (child._baseState.tag === 'null_')
+        return child._encode(null, reporter, data);
+
+      if (child._baseState.key === null)
+        return reporter.error('Child should have a key');
+      var prevKey = reporter.enterKey(child._baseState.key);
+
+      if (typeof data !== 'object')
+        return reporter.error('Child expected, but input is not object');
+
+      var res = child._encode(data[child._baseState.key], reporter, data);
+      reporter.leaveKey(prevKey);
+
+      return res;
+    }, this).filter(function(child) {
+      return child;
+    });
+    content = this._createEncoderBuffer(content);
+  } else {
+    if (state.tag === 'seqof' || state.tag === 'setof') {
+      // TODO(indutny): this should be thrown on DSL level
+      if (!(state.args && state.args.length === 1))
+        return reporter.error('Too many args for : ' + state.tag);
+
+      if (!Array.isArray(data))
+        return reporter.error('seqof/setof, but data is not Array');
+
+      var child = this.clone();
+      child._baseState.implicit = null;
+      content = this._createEncoderBuffer(data.map(function(item) {
+        var state = this._baseState;
+
+        return this._getUse(state.args[0], data)._encode(item, reporter);
+      }, child));
+    } else if (state.use !== null) {
+      result = this._getUse(state.use, parent)._encode(data, reporter);
+    } else {
+      content = this._encodePrimitive(state.tag, data);
+      primitive = true;
+    }
+  }
+
+  // Encode data itself
+  var result;
+  if (!state.any && state.choice === null) {
+    var tag = state.implicit !== null ? state.implicit : state.tag;
+    var cls = state.implicit === null ? 'universal' : 'context';
+
+    if (tag === null) {
+      if (state.use === null)
+        reporter.error('Tag could be omitted only for .use()');
+    } else {
+      if (state.use === null)
+        result = this._encodeComposite(tag, primitive, cls, content);
+    }
+  }
+
+  // Wrap in explicit
+  if (state.explicit !== null)
+    result = this._encodeComposite(state.explicit, false, 'context', result);
+
+  return result;
+};
+
+Node.prototype._encodeChoice = function encodeChoice(data, reporter) {
+  var state = this._baseState;
+
+  var node = state.choice[data.type];
+  if (!node) {
+    assert(
+        false,
+        data.type + ' not found in ' +
+            JSON.stringify(Object.keys(state.choice)));
+  }
+  return node._encode(data.value, reporter);
+};
+
+Node.prototype._encodePrimitive = function encodePrimitive(tag, data) {
+  var state = this._baseState;
+
+  if (/str$/.test(tag))
+    return this._encodeStr(data, tag);
+  else if (tag === 'objid' && state.args)
+    return this._encodeObjid(data, state.reverseArgs[0], state.args[1]);
+  else if (tag === 'objid')
+    return this._encodeObjid(data, null, null);
+  else if (tag === 'gentime' || tag === 'utctime')
+    return this._encodeTime(data, tag);
+  else if (tag === 'null_')
+    return this._encodeNull();
+  else if (tag === 'int' || tag === 'enum')
+    return this._encodeInt(data, state.args && state.reverseArgs[0]);
+  else if (tag === 'bool')
+    return this._encodeBool(data);
+  else if (tag === 'objDesc')
+    return this._encodeStr(data, tag);
+  else
+    throw new Error('Unsupported tag: ' + tag);
+};
+
+Node.prototype._isNumstr = function isNumstr(str) {
+  return /^[0-9 ]*$/.test(str);
+};
+
+Node.prototype._isPrintstr = function isPrintstr(str) {
+  return /^[A-Za-z0-9 '\(\)\+,\-\.\/:=\?]*$/.test(str);
+};
+
+},{"../base":4,"minimalistic-assert":153}],6:[function(require,module,exports){
+var inherits = require('inherits');
+
+function Reporter(options) {
+  this._reporterState = {
+    obj: null,
+    path: [],
+    options: options || {},
+    errors: []
+  };
+}
+exports.Reporter = Reporter;
+
+Reporter.prototype.isError = function isError(obj) {
+  return obj instanceof ReporterError;
+};
+
+Reporter.prototype.save = function save() {
+  var state = this._reporterState;
+
+  return { obj: state.obj, pathLen: state.path.length };
+};
+
+Reporter.prototype.restore = function restore(data) {
+  var state = this._reporterState;
+
+  state.obj = data.obj;
+  state.path = state.path.slice(0, data.pathLen);
+};
+
+Reporter.prototype.enterKey = function enterKey(key) {
+  return this._reporterState.path.push(key);
+};
+
+Reporter.prototype.exitKey = function exitKey(index) {
+  var state = this._reporterState;
+
+  state.path = state.path.slice(0, index - 1);
+};
+
+Reporter.prototype.leaveKey = function leaveKey(index, key, value) {
+  var state = this._reporterState;
+
+  this.exitKey(index);
+  if (state.obj !== null)
+    state.obj[key] = value;
+};
+
+Reporter.prototype.path = function path() {
+  return this._reporterState.path.join('/');
+};
+
+Reporter.prototype.enterObject = function enterObject() {
+  var state = this._reporterState;
+
+  var prev = state.obj;
+  state.obj = {};
+  return prev;
+};
+
+Reporter.prototype.leaveObject = function leaveObject(prev) {
+  var state = this._reporterState;
+
+  var now = state.obj;
+  state.obj = prev;
+  return now;
+};
+
+Reporter.prototype.error = function error(msg) {
+  var err;
+  var state = this._reporterState;
+
+  var inherited = msg instanceof ReporterError;
+  if (inherited) {
+    err = msg;
+  } else {
+    err = new ReporterError(state.path.map(function(elem) {
+      return '[' + JSON.stringify(elem) + ']';
+    }).join(''), msg.message || msg, msg.stack);
+  }
+
+  if (!state.options.partial)
+    throw err;
+
+  if (!inherited)
+    state.errors.push(err);
+
+  return err;
+};
+
+Reporter.prototype.wrapResult = function wrapResult(result) {
+  var state = this._reporterState;
+  if (!state.options.partial)
+    return result;
+
+  return {
+    result: this.isError(result) ? null : result,
+    errors: state.errors
+  };
+};
+
+function ReporterError(path, msg) {
+  this.path = path;
+  this.rethrow(msg);
+};
+inherits(ReporterError, Error);
+
+ReporterError.prototype.rethrow = function rethrow(msg) {
+  this.message = msg + ' at: ' + (this.path || '(shallow)');
+  if (Error.captureStackTrace)
+    Error.captureStackTrace(this, ReporterError);
+
+  if (!this.stack) {
+    try {
+      // IE only adds stack when thrown
+      throw new Error(this.message);
+    } catch (e) {
+      this.stack = e.stack;
+    }
+  }
+  return this;
+};
+
+},{"inherits":145}],7:[function(require,module,exports){
+var constants = require('../constants');
+
+exports.tagClass = {
+  0: 'universal',
+  1: 'application',
+  2: 'context',
+  3: 'private'
+};
+exports.tagClassByName = constants._reverse(exports.tagClass);
+
+exports.tag = {
+  0x00: 'end',
+  0x01: 'bool',
+  0x02: 'int',
+  0x03: 'bitstr',
+  0x04: 'octstr',
+  0x05: 'null_',
+  0x06: 'objid',
+  0x07: 'objDesc',
+  0x08: 'external',
+  0x09: 'real',
+  0x0a: 'enum',
+  0x0b: 'embed',
+  0x0c: 'utf8str',
+  0x0d: 'relativeOid',
+  0x10: 'seq',
+  0x11: 'set',
+  0x12: 'numstr',
+  0x13: 'printstr',
+  0x14: 't61str',
+  0x15: 'videostr',
+  0x16: 'ia5str',
+  0x17: 'utctime',
+  0x18: 'gentime',
+  0x19: 'graphstr',
+  0x1a: 'iso646str',
+  0x1b: 'genstr',
+  0x1c: 'unistr',
+  0x1d: 'charstr',
+  0x1e: 'bmpstr'
+};
+exports.tagByName = constants._reverse(exports.tag);
+
+},{"../constants":8}],8:[function(require,module,exports){
+var constants = exports;
+
+// Helper
+constants._reverse = function reverse(map) {
+  var res = {};
+
+  Object.keys(map).forEach(function(key) {
+    // Convert key to integer if it is stringified
+    if ((key | 0) == key)
+      key = key | 0;
+
+    var value = map[key];
+    res[value] = key;
+  });
+
+  return res;
+};
+
+constants.der = require('./der');
+
+},{"./der":7}],9:[function(require,module,exports){
+var inherits = require('inherits');
+
+var asn1 = require('../../asn1');
+var base = asn1.base;
+var bignum = asn1.bignum;
+
+// Import DER constants
+var der = asn1.constants.der;
+
+function DERDecoder(entity) {
+  this.enc = 'der';
+  this.name = entity.name;
+  this.entity = entity;
+
+  // Construct base tree
+  this.tree = new DERNode();
+  this.tree._init(entity.body);
+};
+module.exports = DERDecoder;
+
+DERDecoder.prototype.decode = function decode(data, options) {
+  if (!(data instanceof base.DecoderBuffer))
+    data = new base.DecoderBuffer(data, options);
+
+  return this.tree._decode(data, options);
+};
+
+// Tree methods
+
+function DERNode(parent) {
+  base.Node.call(this, 'der', parent);
+}
+inherits(DERNode, base.Node);
+
+DERNode.prototype._peekTag = function peekTag(buffer, tag, any) {
+  if (buffer.isEmpty())
+    return false;
+
+  var state = buffer.save();
+  var decodedTag = derDecodeTag(buffer, 'Failed to peek tag: "' + tag + '"');
+  if (buffer.isError(decodedTag))
+    return decodedTag;
+
+  buffer.restore(state);
+
+  return decodedTag.tag === tag || decodedTag.tagStr === tag ||
+    (decodedTag.tagStr + 'of') === tag || any;
+};
+
+DERNode.prototype._decodeTag = function decodeTag(buffer, tag, any) {
+  var decodedTag = derDecodeTag(buffer,
+                                'Failed to decode tag of "' + tag + '"');
+  if (buffer.isError(decodedTag))
+    return decodedTag;
+
+  var len = derDecodeLen(buffer,
+                         decodedTag.primitive,
+                         'Failed to get length of "' + tag + '"');
+
+  // Failure
+  if (buffer.isError(len))
+    return len;
+
+  if (!any &&
+      decodedTag.tag !== tag &&
+      decodedTag.tagStr !== tag &&
+      decodedTag.tagStr + 'of' !== tag) {
+    return buffer.error('Failed to match tag: "' + tag + '"');
+  }
+
+  if (decodedTag.primitive || len !== null)
+    return buffer.skip(len, 'Failed to match body of: "' + tag + '"');
+
+  // Indefinite length... find END tag
+  var state = buffer.save();
+  var res = this._skipUntilEnd(
+      buffer,
+      'Failed to skip indefinite length body: "' + this.tag + '"');
+  if (buffer.isError(res))
+    return res;
+
+  len = buffer.offset - state.offset;
+  buffer.restore(state);
+  return buffer.skip(len, 'Failed to match body of: "' + tag + '"');
+};
+
+DERNode.prototype._skipUntilEnd = function skipUntilEnd(buffer, fail) {
+  while (true) {
+    var tag = derDecodeTag(buffer, fail);
+    if (buffer.isError(tag))
+      return tag;
+    var len = derDecodeLen(buffer, tag.primitive, fail);
+    if (buffer.isError(len))
+      return len;
+
+    var res;
+    if (tag.primitive || len !== null)
+      res = buffer.skip(len)
+    else
+      res = this._skipUntilEnd(buffer, fail);
+
+    // Failure
+    if (buffer.isError(res))
+      return res;
+
+    if (tag.tagStr === 'end')
+      break;
+  }
+};
+
+DERNode.prototype._decodeList = function decodeList(buffer, tag, decoder,
+                                                    options) {
+  var result = [];
+  while (!buffer.isEmpty()) {
+    var possibleEnd = this._peekTag(buffer, 'end');
+    if (buffer.isError(possibleEnd))
+      return possibleEnd;
+
+    var res = decoder.decode(buffer, 'der', options);
+    if (buffer.isError(res) && possibleEnd)
+      break;
+    result.push(res);
+  }
+  return result;
+};
+
+DERNode.prototype._decodeStr = function decodeStr(buffer, tag) {
+  if (tag === 'bitstr') {
+    var unused = buffer.readUInt8();
+    if (buffer.isError(unused))
+      return unused;
+    return { unused: unused, data: buffer.raw() };
+  } else if (tag === 'bmpstr') {
+    var raw = buffer.raw();
+    if (raw.length % 2 === 1)
+      return buffer.error('Decoding of string type: bmpstr length mismatch');
+
+    var str = '';
+    for (var i = 0; i < raw.length / 2; i++) {
+      str += String.fromCharCode(raw.readUInt16BE(i * 2));
+    }
+    return str;
+  } else if (tag === 'numstr') {
+    var numstr = buffer.raw().toString('ascii');
+    if (!this._isNumstr(numstr)) {
+      return buffer.error('Decoding of string type: ' +
+                          'numstr unsupported characters');
+    }
+    return numstr;
+  } else if (tag === 'octstr') {
+    return buffer.raw();
+  } else if (tag === 'objDesc') {
+    return buffer.raw();
+  } else if (tag === 'printstr') {
+    var printstr = buffer.raw().toString('ascii');
+    if (!this._isPrintstr(printstr)) {
+      return buffer.error('Decoding of string type: ' +
+                          'printstr unsupported characters');
+    }
+    return printstr;
+  } else if (/str$/.test(tag)) {
+    return buffer.raw().toString();
+  } else {
+    return buffer.error('Decoding of string type: ' + tag + ' unsupported');
+  }
+};
+
+DERNode.prototype._decodeObjid = function decodeObjid(buffer, values, relative) {
+  var result;
+  var identifiers = [];
+  var ident = 0;
+  while (!buffer.isEmpty()) {
+    var subident = buffer.readUInt8();
+    ident <<= 7;
+    ident |= subident & 0x7f;
+    if ((subident & 0x80) === 0) {
+      identifiers.push(ident);
+      ident = 0;
+    }
+  }
+  if (subident & 0x80)
+    identifiers.push(ident);
+
+  var first = (identifiers[0] / 40) | 0;
+  var second = identifiers[0] % 40;
+
+  if (relative)
+    result = identifiers;
+  else
+    result = [first, second].concat(identifiers.slice(1));
+
+  if (values) {
+    var tmp = values[result.join(' ')];
+    if (tmp === undefined)
+      tmp = values[result.join('.')];
+    if (tmp !== undefined)
+      result = tmp;
+  }
+
+  return result;
+};
+
+DERNode.prototype._decodeTime = function decodeTime(buffer, tag) {
+  var str = buffer.raw().toString();
+  if (tag === 'gentime') {
+    var year = str.slice(0, 4) | 0;
+    var mon = str.slice(4, 6) | 0;
+    var day = str.slice(6, 8) | 0;
+    var hour = str.slice(8, 10) | 0;
+    var min = str.slice(10, 12) | 0;
+    var sec = str.slice(12, 14) | 0;
+  } else if (tag === 'utctime') {
+    var year = str.slice(0, 2) | 0;
+    var mon = str.slice(2, 4) | 0;
+    var day = str.slice(4, 6) | 0;
+    var hour = str.slice(6, 8) | 0;
+    var min = str.slice(8, 10) | 0;
+    var sec = str.slice(10, 12) | 0;
+    if (year < 70)
+      year = 2000 + year;
+    else
+      year = 1900 + year;
+  } else {
+    return buffer.error('Decoding ' + tag + ' time is not supported yet');
+  }
+
+  return Date.UTC(year, mon - 1, day, hour, min, sec, 0);
+};
+
+DERNode.prototype._decodeNull = function decodeNull(buffer) {
+  return null;
+};
+
+DERNode.prototype._decodeBool = function decodeBool(buffer) {
+  var res = buffer.readUInt8();
+  if (buffer.isError(res))
+    return res;
+  else
+    return res !== 0;
+};
+
+DERNode.prototype._decodeInt = function decodeInt(buffer, values) {
+  // Bigint, return as it is (assume big endian)
+  var raw = buffer.raw();
+  var res = new bignum(raw);
+
+  if (values)
+    res = values[res.toString(10)] || res;
+
+  return res;
+};
+
+DERNode.prototype._use = function use(entity, obj) {
+  if (typeof entity === 'function')
+    entity = entity(obj);
+  return entity._getDecoder('der').tree;
+};
+
+// Utility methods
+
+function derDecodeTag(buf, fail) {
+  var tag = buf.readUInt8(fail);
+  if (buf.isError(tag))
+    return tag;
+
+  var cls = der.tagClass[tag >> 6];
+  var primitive = (tag & 0x20) === 0;
+
+  // Multi-octet tag - load
+  if ((tag & 0x1f) === 0x1f) {
+    var oct = tag;
+    tag = 0;
+    while ((oct & 0x80) === 0x80) {
+      oct = buf.readUInt8(fail);
+      if (buf.isError(oct))
+        return oct;
+
+      tag <<= 7;
+      tag |= oct & 0x7f;
+    }
+  } else {
+    tag &= 0x1f;
+  }
+  var tagStr = der.tag[tag];
+
+  return {
+    cls: cls,
+    primitive: primitive,
+    tag: tag,
+    tagStr: tagStr
+  };
+}
+
+function derDecodeLen(buf, primitive, fail) {
+  var len = buf.readUInt8(fail);
+  if (buf.isError(len))
+    return len;
+
+  // Indefinite form
+  if (!primitive && len === 0x80)
+    return null;
+
+  // Definite form
+  if ((len & 0x80) === 0) {
+    // Short form
+    return len;
+  }
+
+  // Long form
+  var num = len & 0x7f;
+  if (num > 4)
+    return buf.error('length octect is too long');
+
+  len = 0;
+  for (var i = 0; i < num; i++) {
+    len <<= 8;
+    var j = buf.readUInt8(fail);
+    if (buf.isError(j))
+      return j;
+    len |= j;
+  }
+
+  return len;
+}
+
+},{"../../asn1":1,"inherits":145}],10:[function(require,module,exports){
+var decoders = exports;
+
+decoders.der = require('./der');
+decoders.pem = require('./pem');
+
+},{"./der":9,"./pem":11}],11:[function(require,module,exports){
+var inherits = require('inherits');
+var Buffer = require('buffer').Buffer;
+
+var DERDecoder = require('./der');
+
+function PEMDecoder(entity) {
+  DERDecoder.call(this, entity);
+  this.enc = 'pem';
+};
+inherits(PEMDecoder, DERDecoder);
+module.exports = PEMDecoder;
+
+PEMDecoder.prototype.decode = function decode(data, options) {
+  var lines = data.toString().split(/[\r\n]+/g);
+
+  var label = options.label.toUpperCase();
+
+  var re = /^-----(BEGIN|END) ([^-]+)-----$/;
+  var start = -1;
+  var end = -1;
+  for (var i = 0; i < lines.length; i++) {
+    var match = lines[i].match(re);
+    if (match === null)
+      continue;
+
+    if (match[2] !== label)
+      continue;
+
+    if (start === -1) {
+      if (match[1] !== 'BEGIN')
+        break;
+      start = i;
+    } else {
+      if (match[1] !== 'END')
+        break;
+      end = i;
+      break;
+    }
+  }
+  if (start === -1 || end === -1)
+    throw new Error('PEM section not found for: ' + label);
+
+  var base64 = lines.slice(start + 1, end).join('');
+  // Remove excessive symbols
+  base64.replace(/[^a-z0-9\+\/=]+/gi, '');
+
+  var input = new Buffer(base64, 'base64');
+  return DERDecoder.prototype.decode.call(this, input, options);
+};
+
+},{"./der":9,"buffer":70,"inherits":145}],12:[function(require,module,exports){
+var inherits = require('inherits');
+var Buffer = require('buffer').Buffer;
+
+var asn1 = require('../../asn1');
+var base = asn1.base;
+
+// Import DER constants
+var der = asn1.constants.der;
+
+function DEREncoder(entity) {
+  this.enc = 'der';
+  this.name = entity.name;
+  this.entity = entity;
+
+  // Construct base tree
+  this.tree = new DERNode();
+  this.tree._init(entity.body);
+};
+module.exports = DEREncoder;
+
+DEREncoder.prototype.encode = function encode(data, reporter) {
+  return this.tree._encode(data, reporter).join();
+};
+
+// Tree methods
+
+function DERNode(parent) {
+  base.Node.call(this, 'der', parent);
+}
+inherits(DERNode, base.Node);
+
+DERNode.prototype._encodeComposite = function encodeComposite(tag,
+                                                              primitive,
+                                                              cls,
+                                                              content) {
+  var encodedTag = encodeTag(tag, primitive, cls, this.reporter);
+
+  // Short form
+  if (content.length < 0x80) {
+    var header = new Buffer(2);
+    header[0] = encodedTag;
+    header[1] = content.length;
+    return this._createEncoderBuffer([ header, content ]);
+  }
+
+  // Long form
+  // Count octets required to store length
+  var lenOctets = 1;
+  for (var i = content.length; i >= 0x100; i >>= 8)
+    lenOctets++;
+
+  var header = new Buffer(1 + 1 + lenOctets);
+  header[0] = encodedTag;
+  header[1] = 0x80 | lenOctets;
+
+  for (var i = 1 + lenOctets, j = content.length; j > 0; i--, j >>= 8)
+    header[i] = j & 0xff;
+
+  return this._createEncoderBuffer([ header, content ]);
+};
+
+DERNode.prototype._encodeStr = function encodeStr(str, tag) {
+  if (tag === 'bitstr') {
+    return this._createEncoderBuffer([ str.unused | 0, str.data ]);
+  } else if (tag === 'bmpstr') {
+    var buf = new Buffer(str.length * 2);
+    for (var i = 0; i < str.length; i++) {
+      buf.writeUInt16BE(str.charCodeAt(i), i * 2);
+    }
+    return this._createEncoderBuffer(buf);
+  } else if (tag === 'numstr') {
+    if (!this._isNumstr(str)) {
+      return this.reporter.error('Encoding of string type: numstr supports ' +
+                                 'only digits and space');
+    }
+    return this._createEncoderBuffer(str);
+  } else if (tag === 'printstr') {
+    if (!this._isPrintstr(str)) {
+      return this.reporter.error('Encoding of string type: printstr supports ' +
+                                 'only latin upper and lower case letters, ' +
+                                 'digits, space, apostrophe, left and rigth ' +
+                                 'parenthesis, plus sign, comma, hyphen, ' +
+                                 'dot, slash, colon, equal sign, ' +
+                                 'question mark');
+    }
+    return this._createEncoderBuffer(str);
+  } else if (/str$/.test(tag)) {
+    return this._createEncoderBuffer(str);
+  } else if (tag === 'objDesc') {
+    return this._createEncoderBuffer(str);
+  } else {
+    return this.reporter.error('Encoding of string type: ' + tag +
+                               ' unsupported');
+  }
+};
+
+DERNode.prototype._encodeObjid = function encodeObjid(id, values, relative) {
+  if (typeof id === 'string') {
+    if (!values)
+      return this.reporter.error('string objid given, but no values map found');
+    if (!values.hasOwnProperty(id))
+      return this.reporter.error('objid not found in values map');
+    id = values[id].split(/[\s\.]+/g);
+    for (var i = 0; i < id.length; i++)
+      id[i] |= 0;
+  } else if (Array.isArray(id)) {
+    id = id.slice();
+    for (var i = 0; i < id.length; i++)
+      id[i] |= 0;
+  }
+
+  if (!Array.isArray(id)) {
+    return this.reporter.error('objid() should be either array or string, ' +
+                               'got: ' + JSON.stringify(id));
+  }
+
+  if (!relative) {
+    if (id[1] >= 40)
+      return this.reporter.error('Second objid identifier OOB');
+    id.splice(0, 2, id[0] * 40 + id[1]);
+  }
+
+  // Count number of octets
+  var size = 0;
+  for (var i = 0; i < id.length; i++) {
+    var ident = id[i];
+    for (size++; ident >= 0x80; ident >>= 7)
+      size++;
+  }
+
+  var objid = new Buffer(size);
+  var offset = objid.length - 1;
+  for (var i = id.length - 1; i >= 0; i--) {
+    var ident = id[i];
+    objid[offset--] = ident & 0x7f;
+    while ((ident >>= 7) > 0)
+      objid[offset--] = 0x80 | (ident & 0x7f);
+  }
+
+  return this._createEncoderBuffer(objid);
+};
+
+function two(num) {
+  if (num < 10)
+    return '0' + num;
+  else
+    return num;
+}
+
+DERNode.prototype._encodeTime = function encodeTime(time, tag) {
+  var str;
+  var date = new Date(time);
+
+  if (tag === 'gentime') {
+    str = [
+      two(date.getFullYear()),
+      two(date.getUTCMonth() + 1),
+      two(date.getUTCDate()),
+      two(date.getUTCHours()),
+      two(date.getUTCMinutes()),
+      two(date.getUTCSeconds()),
+      'Z'
+    ].join('');
+  } else if (tag === 'utctime') {
+    str = [
+      two(date.getFullYear() % 100),
+      two(date.getUTCMonth() + 1),
+      two(date.getUTCDate()),
+      two(date.getUTCHours()),
+      two(date.getUTCMinutes()),
+      two(date.getUTCSeconds()),
+      'Z'
+    ].join('');
+  } else {
+    this.reporter.error('Encoding ' + tag + ' time is not supported yet');
+  }
+
+  return this._encodeStr(str, 'octstr');
+};
+
+DERNode.prototype._encodeNull = function encodeNull() {
+  return this._createEncoderBuffer('');
+};
+
+DERNode.prototype._encodeInt = function encodeInt(num, values) {
+  if (typeof num === 'string') {
+    if (!values)
+      return this.reporter.error('String int or enum given, but no values map');
+    if (!values.hasOwnProperty(num)) {
+      return this.reporter.error('Values map doesn\'t contain: ' +
+                                 JSON.stringify(num));
+    }
+    num = values[num];
+  }
+
+  // Bignum, assume big endian
+  if (typeof num !== 'number' && !Buffer.isBuffer(num)) {
+    var numArray = num.toArray();
+    if (!num.sign && numArray[0] & 0x80) {
+      numArray.unshift(0);
+    }
+    num = new Buffer(numArray);
+  }
+
+  if (Buffer.isBuffer(num)) {
+    var size = num.length;
+    if (num.length === 0)
+      size++;
+
+    var out = new Buffer(size);
+    num.copy(out);
+    if (num.length === 0)
+      out[0] = 0
+    return this._createEncoderBuffer(out);
+  }
+
+  if (num < 0x80)
+    return this._createEncoderBuffer(num);
+
+  if (num < 0x100)
+    return this._createEncoderBuffer([0, num]);
+
+  var size = 1;
+  for (var i = num; i >= 0x100; i >>= 8)
+    size++;
+
+  var out = new Array(size);
+  for (var i = out.length - 1; i >= 0; i--) {
+    out[i] = num & 0xff;
+    num >>= 8;
+  }
+  if(out[0] & 0x80) {
+    out.unshift(0);
+  }
+
+  return this._createEncoderBuffer(new Buffer(out));
+};
+
+DERNode.prototype._encodeBool = function encodeBool(value) {
+  return this._createEncoderBuffer(value ? 0xff : 0);
+};
+
+DERNode.prototype._use = function use(entity, obj) {
+  if (typeof entity === 'function')
+    entity = entity(obj);
+  return entity._getEncoder('der').tree;
+};
+
+DERNode.prototype._skipDefault = function skipDefault(dataBuffer, reporter, parent) {
+  var state = this._baseState;
+  var i;
+  if (state['default'] === null)
+    return false;
+
+  var data = dataBuffer.join();
+  if (state.defaultBuffer === undefined)
+    state.defaultBuffer = this._encodeValue(state['default'], reporter, parent).join();
+
+  if (data.length !== state.defaultBuffer.length)
+    return false;
+
+  for (i=0; i < data.length; i++)
+    if (data[i] !== state.defaultBuffer[i])
+      return false;
+
+  return true;
+};
+
+// Utility methods
+
+function encodeTag(tag, primitive, cls, reporter) {
+  var res;
+
+  if (tag === 'seqof')
+    tag = 'seq';
+  else if (tag === 'setof')
+    tag = 'set';
+
+  if (der.tagByName.hasOwnProperty(tag))
+    res = der.tagByName[tag];
+  else if (typeof tag === 'number' && (tag | 0) === tag)
+    res = tag;
+  else
+    return reporter.error('Unknown tag: ' + tag);
+
+  if (res >= 0x1f)
+    return reporter.error('Multi-octet tag encoding unsupported');
+
+  if (!primitive)
+    res |= 0x20;
+
+  res |= (der.tagClassByName[cls || 'universal'] << 6);
+
+  return res;
+}
+
+},{"../../asn1":1,"buffer":70,"inherits":145}],13:[function(require,module,exports){
+var encoders = exports;
+
+encoders.der = require('./der');
+encoders.pem = require('./pem');
+
+},{"./der":12,"./pem":14}],14:[function(require,module,exports){
+var inherits = require('inherits');
+
+var DEREncoder = require('./der');
+
+function PEMEncoder(entity) {
+  DEREncoder.call(this, entity);
+  this.enc = 'pem';
+};
+inherits(PEMEncoder, DEREncoder);
+module.exports = PEMEncoder;
+
+PEMEncoder.prototype.encode = function encode(data, options) {
+  var buf = DEREncoder.prototype.encode.call(this, data);
+
+  var p = buf.toString('base64');
+  var out = [ '-----BEGIN ' + options.label + '-----' ];
+  for (var i = 0; i < p.length; i += 64)
+    out.push(p.slice(i, i + 64));
+  out.push('-----END ' + options.label + '-----');
+  return out.join('\n');
+};
+
+},{"./der":12,"inherits":145}],15:[function(require,module,exports){
+(function (module, exports) {
+  'use strict';
+
+  // Utils
+  function assert (val, msg) {
+    if (!val) throw new Error(msg || 'Assertion failed');
+  }
+
+  // Could use `inherits` module, but don't want to move from single file
+  // architecture yet.
+  function inherits (ctor, superCtor) {
+    ctor.super_ = superCtor;
+    var TempCtor = function () {};
+    TempCtor.prototype = superCtor.prototype;
+    ctor.prototype = new TempCtor();
+    ctor.prototype.constructor = ctor;
+  }
+
+  // BN
+
+  function BN (number, base, endian) {
+    if (BN.isBN(number)) {
+      return number;
+    }
+
+    this.negative = 0;
+    this.words = null;
+    this.length = 0;
+
+    // Reduction context
+    this.red = null;
+
+    if (number !== null) {
+      if (base === 'le' || base === 'be') {
+        endian = base;
+        base = 10;
+      }
+
+      this._init(number || 0, base || 10, endian || 'be');
+    }
+  }
+  if (typeof module === 'object') {
+    module.exports = BN;
+  } else {
+    exports.BN = BN;
+  }
+
+  BN.BN = BN;
+  BN.wordSize = 26;
+
+  var Buffer;
+  try {
+    Buffer = require('buffer').Buffer;
+  } catch (e) {
+  }
+
+  BN.isBN = function isBN (num) {
+    if (num instanceof BN) {
+      return true;
+    }
+
+    return num !== null && typeof num === 'object' &&
+      num.constructor.wordSize === BN.wordSize && Array.isArray(num.words);
+  };
+
+  BN.max = function max (left, right) {
+    if (left.cmp(right) > 0) return left;
+    return right;
+  };
+
+  BN.min = function min (left, right) {
+    if (left.cmp(right) < 0) return left;
+    return right;
+  };
+
+  BN.prototype._init = function init (number, base, endian) {
+    if (typeof number === 'number') {
+      return this._initNumber(number, base, endian);
+    }
+
+    if (typeof number === 'object') {
+      return this._initArray(number, base, endian);
+    }
+
+    if (base === 'hex') {
+      base = 16;
+    }
+    assert(base === (base | 0) && base >= 2 && base <= 36);
+
+    number = number.toString().replace(/\s+/g, '');
+    var start = 0;
+    if (number[0] === '-') {
+      start++;
+    }
+
+    if (base === 16) {
+      this._parseHex(number, start);
+    } else {
+      this._parseBase(number, base, start);
+    }
+
+    if (number[0] === '-') {
+      this.negative = 1;
+    }
+
+    this.strip();
+
+    if (endian !== 'le') return;
+
+    this._initArray(this.toArray(), base, endian);
+  };
+
+  BN.prototype._initNumber = function _initNumber (number, base, endian) {
+    if (number < 0) {
+      this.negative = 1;
+      number = -number;
+    }
+    if (number < 0x4000000) {
+      this.words = [ number & 0x3ffffff ];
+      this.length = 1;
+    } else if (number < 0x10000000000000) {
+      this.words = [
+        number & 0x3ffffff,
+        (number / 0x4000000) & 0x3ffffff
+      ];
+      this.length = 2;
+    } else {
+      assert(number < 0x20000000000000); // 2 ^ 53 (unsafe)
+      this.words = [
+        number & 0x3ffffff,
+        (number / 0x4000000) & 0x3ffffff,
+        1
+      ];
+      this.length = 3;
+    }
+
+    if (endian !== 'le') return;
+
+    // Reverse the bytes
+    this._initArray(this.toArray(), base, endian);
+  };
+
+  BN.prototype._initArray = function _initArray (number, base, endian) {
+    // Perhaps a Uint8Array
+    assert(typeof number.length === 'number');
+    if (number.length <= 0) {
+      this.words = [ 0 ];
+      this.length = 1;
+      return this;
+    }
+
+    this.length = Math.ceil(number.length / 3);
+    this.words = new Array(this.length);
+    for (var i = 0; i < this.length; i++) {
+      this.words[i] = 0;
+    }
+
+    var j, w;
+    var off = 0;
+    if (endian === 'be') {
+      for (i = number.length - 1, j = 0; i >= 0; i -= 3) {
+        w = number[i] | (number[i - 1] << 8) | (number[i - 2] << 16);
+        this.words[j] |= (w << off) & 0x3ffffff;
+        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
+        off += 24;
+        if (off >= 26) {
+          off -= 26;
+          j++;
+        }
+      }
+    } else if (endian === 'le') {
+      for (i = 0, j = 0; i < number.length; i += 3) {
+        w = number[i] | (number[i + 1] << 8) | (number[i + 2] << 16);
+        this.words[j] |= (w << off) & 0x3ffffff;
+        this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
+        off += 24;
+        if (off >= 26) {
+          off -= 26;
+          j++;
+        }
+      }
+    }
+    return this.strip();
+  };
+
+  function parseHex (str, start, end) {
+    var r = 0;
+    var len = Math.min(str.length, end);
+    for (var i = start; i < len; i++) {
+      var c = str.charCodeAt(i) - 48;
+
+      r <<= 4;
+
+      // 'a' - 'f'
+      if (c >= 49 && c <= 54) {
+        r |= c - 49 + 0xa;
+
+      // 'A' - 'F'
+      } else if (c >= 17 && c <= 22) {
+        r |= c - 17 + 0xa;
+
+      // '0' - '9'
+      } else {
+        r |= c & 0xf;
+      }
+    }
+    return r;
+  }
+
+  BN.prototype._parseHex = function _parseHex (number, start) {
+    // Create possibly bigger array to ensure that it fits the number
+    this.length = Math.ceil((number.length - start) / 6);
+    this.words = new Array(this.length);
+    for (var i = 0; i < this.length; i++) {
+      this.words[i] = 0;
+    }
+
+    var j, w;
+    // Scan 24-bit chunks and add them to the number
+    var off = 0;
+    for (i = number.length - 6, j = 0; i >= start; i -= 6) {
+      w = parseHex(number, i, i + 6);
+      this.words[j] |= (w << off) & 0x3ffffff;
+      // NOTE: `0x3fffff` is intentional here, 26bits max shift + 24bit hex limb
+      this.words[j + 1] |= w >>> (26 - off) & 0x3fffff;
+      off += 24;
+      if (off >= 26) {
+        off -= 26;
+        j++;
+      }
+    }
+    if (i + 6 !== start) {
+      w = parseHex(number, start, i + 6);
+      this.words[j] |= (w << off) & 0x3ffffff;
+      this.words[j + 1] |= w >>> (26 - off) & 0x3fffff;
+    }
+    this.strip();
+  };
+
+  function parseBase (str, start, end, mul) {
+    var r = 0;
+    var len = Math.min(str.length, end);
+    for (var i = start; i < len; i++) {
+      var c = str.charCodeAt(i) - 48;
+
+      r *= mul;
+
+      // 'a'
+      if (c >= 49) {
+        r += c - 49 + 0xa;
+
+      // 'A'
+      } else if (c >= 17) {
+        r += c - 17 + 0xa;
+
+      // '0' - '9'
+      } else {
+        r += c;
+      }
+    }
+    return r;
+  }
+
+  BN.prototype._parseBase = function _parseBase (number, base, start) {
+    // Initialize as zero
+    this.words = [ 0 ];
+    this.length = 1;
+
+    // Find length of limb in base
+    for (var limbLen = 0, limbPow = 1; limbPow <= 0x3ffffff; limbPow *= base) {
+      limbLen++;
+    }
+    limbLen--;
+    limbPow = (limbPow / base) | 0;
+
+    var total = number.length - start;
+    var mod = total % limbLen;
+    var end = Math.min(total, total - mod) + start;
+
+    var word = 0;
+    for (var i = start; i < end; i += limbLen) {
+      word = parseBase(number, i, i + limbLen, base);
+
+      this.imuln(limbPow);
+      if (this.words[0] + word < 0x4000000) {
+        this.words[0] += word;
+      } else {
+        this._iaddn(word);
+      }
+    }
+
+    if (mod !== 0) {
+      var pow = 1;
+      word = parseBase(number, i, number.length, base);
+
+      for (i = 0; i < mod; i++) {
+        pow *= base;
+      }
+
+      this.imuln(pow);
+      if (this.words[0] + word < 0x4000000) {
+        this.words[0] += word;
+      } else {
+        this._iaddn(word);
+      }
+    }
+  };
+
+  BN.prototype.copy = function copy (dest) {
+    dest.words = new Array(this.length);
+    for (var i = 0; i < this.length; i++) {
+      dest.words[i] = this.words[i];
+    }
+    dest.length = this.length;
+    dest.negative = this.negative;
+    dest.red = this.red;
+  };
+
+  BN.prototype.clone = function clone () {
+    var r = new BN(null);
+    this.copy(r);
+    return r;
+  };
+
+  BN.prototype._expand = function _expand (size) {
+    while (this.length < size) {
+      this.words[this.length++] = 0;
+    }
+    return this;
+  };
+
+  // Remove leading `0` from `this`
+  BN.prototype.strip = function strip () {
+    while (this.length > 1 && this.words[this.length - 1] === 0) {
+      this.length--;
+    }
+    return this._normSign();
+  };
+
+  BN.prototype._normSign = function _normSign () {
+    // -0 = 0
+    if (this.length === 1 && this.words[0] === 0) {
+      this.negative = 0;
+    }
+    return this;
+  };
+
+  BN.prototype.inspect = function inspect () {
+    return (this.red ? '<BN-R: ' : '<BN: ') + this.toString(16) + '>';
+  };
+
+  /*
+
+  var zeros = [];
+  var groupSizes = [];
+  var groupBases = [];
+
+  var s = '';
+  var i = -1;
+  while (++i < BN.wordSize) {
+    zeros[i] = s;
+    s += '0';
+  }
+  groupSizes[0] = 0;
+  groupSizes[1] = 0;
+  groupBases[0] = 0;
+  groupBases[1] = 0;
+  var base = 2 - 1;
+  while (++base < 36 + 1) {
+    var groupSize = 0;
+    var groupBase = 1;
+    while (groupBase < (1 << BN.wordSize) / base) {
+      groupBase *= base;
+      groupSize += 1;
+    }
+    groupSizes[base] = groupSize;
+    groupBases[base] = groupBase;
+  }
+
+  */
+
+  var zeros = [
+    '',
+    '0',
+    '00',
+    '000',
+    '0000',
+    '00000',
+    '000000',
+    '0000000',
+    '00000000',
+    '000000000',
+    '0000000000',
+    '00000000000',
+    '000000000000',
+    '0000000000000',
+    '00000000000000',
+    '000000000000000',
+    '0000000000000000',
+    '00000000000000000',
+    '000000000000000000',
+    '0000000000000000000',
+    '00000000000000000000',
+    '000000000000000000000',
+    '0000000000000000000000',
+    '00000000000000000000000',
+    '000000000000000000000000',
+    '0000000000000000000000000'
+  ];
+
+  var groupSizes = [
+    0, 0,
+    25, 16, 12, 11, 10, 9, 8,
+    8, 7, 7, 7, 7, 6, 6,
+    6, 6, 6, 6, 6, 5, 5,
+    5, 5, 5, 5, 5, 5, 5,
+    5, 5, 5, 5, 5, 5, 5
+  ];
+
+  var groupBases = [
+    0, 0,
+    33554432, 43046721, 16777216, 48828125, 60466176, 40353607, 16777216,
+    43046721, 10000000, 19487171, 35831808, 62748517, 7529536, 11390625,
+    16777216, 24137569, 34012224, 47045881, 64000000, 4084101, 5153632,
+    6436343, 7962624, 9765625, 11881376, 14348907, 17210368, 20511149,
+    24300000, 28629151, 33554432, 39135393, 45435424, 52521875, 60466176
+  ];
+
+  BN.prototype.toString = function toString (base, padding) {
+    base = base || 10;
+    padding = padding | 0 || 1;
+
+    var out;
+    if (base === 16 || base === 'hex') {
+      out = '';
+      var off = 0;
+      var carry = 0;
+      for (var i = 0; i < this.length; i++) {
+        var w = this.words[i];
+        var word = (((w << off) | carry) & 0xffffff).toString(16);
+        carry = (w >>> (24 - off)) & 0xffffff;
+        if (carry !== 0 || i !== this.length - 1) {
+          out = zeros[6 - word.length] + word + out;
+        } else {
+          out = word + out;
+        }
+        off += 2;
+        if (off >= 26) {
+          off -= 26;
+          i--;
+        }
+      }
+      if (carry !== 0) {
+        out = carry.toString(16) + out;
+      }
+      while (out.length % padding !== 0) {
+        out = '0' + out;
+      }
+      if (this.negative !== 0) {
+        out = '-' + out;
+      }
+      return out;
+    }
+
+    if (base === (base | 0) && base >= 2 && base <= 36) {
+      // var groupSize = Math.floor(BN.wordSize * Math.LN2 / Math.log(base));
+      var groupSize = groupSizes[base];
+      // var groupBase = Math.pow(base, groupSize);
+      var groupBase = groupBases[base];
+      out = '';
+      var c = this.clone();
+      c.negative = 0;
+      while (!c.isZero()) {
+        var r = c.modn(groupBase).toString(base);
+        c = c.idivn(groupBase);
+
+        if (!c.isZero()) {
+          out = zeros[groupSize - r.length] + r + out;
+        } else {
+          out = r + out;
+        }
+      }
+      if (this.isZero()) {
+        out = '0' + out;
+      }
+      while (out.length % padding !== 0) {
+        out = '0' + out;
+      }
+      if (this.negative !== 0) {
+        out = '-' + out;
+      }
+      return out;
+    }
+
+    assert(false, 'Base should be between 2 and 36');
+  };
+
+  BN.prototype.toNumber = function toNumber () {
+    var ret = this.words[0];
+    if (this.length === 2) {
+      ret += this.words[1] * 0x4000000;
+    } else if (this.length === 3 && this.words[2] === 0x01) {
+      // NOTE: at this stage it is known that the top bit is set
+      ret += 0x10000000000000 + (this.words[1] * 0x4000000);
+    } else if (this.length > 2) {
+      assert(false, 'Number can only safely store up to 53 bits');
+    }
+    return (this.negative !== 0) ? -ret : ret;
+  };
+
+  BN.prototype.toJSON = function toJSON () {
+    return this.toString(16);
+  };
+
+  BN.prototype.toBuffer = function toBuffer (endian, length) {
+    assert(typeof Buffer !== 'undefined');
+    return this.toArrayLike(Buffer, endian, length);
+  };
+
+  BN.prototype.toArray = function toArray (endian, length) {
+    return this.toArrayLike(Array, endian, length);
+  };
+
+  BN.prototype.toArrayLike = function toArrayLike (ArrayType, endian, length) {
+    var byteLength = this.byteLength();
+    var reqLength = length || Math.max(1, byteLength);
+    assert(byteLength <= reqLength, 'byte array longer than desired length');
+    assert(reqLength > 0, 'Requested array length <= 0');
+
+    this.strip();
+    var littleEndian = endian === 'le';
+    var res = new ArrayType(reqLength);
+
+    var b, i;
+    var q = this.clone();
+    if (!littleEndian) {
+      // Assume big-endian
+      for (i = 0; i < reqLength - byteLength; i++) {
+        res[i] = 0;
+      }
+
+      for (i = 0; !q.isZero(); i++) {
+        b = q.andln(0xff);
+        q.iushrn(8);
+
+        res[reqLength - i - 1] = b;
+      }
+    } else {
+      for (i = 0; !q.isZero(); i++) {
+        b = q.andln(0xff);
+        q.iushrn(8);
+
+        res[i] = b;
+      }
+
+      for (; i < reqLength; i++) {
+        res[i] = 0;
+      }
+    }
+
+    return res;
+  };
+
+  if (Math.clz32) {
+    BN.prototype._countBits = function _countBits (w) {
+      return 32 - Math.clz32(w);
+    };
+  } else {
+    BN.prototype._countBits = function _countBits (w) {
+      var t = w;
+      var r = 0;
+      if (t >= 0x1000) {
+        r += 13;
+        t >>>= 13;
+      }
+      if (t >= 0x40) {
+        r += 7;
+        t >>>= 7;
+      }
+      if (t >= 0x8) {
+        r += 4;
+        t >>>= 4;
+      }
+      if (t >= 0x02) {
+        r += 2;
+        t >>>= 2;
+      }
+      return r + t;
+    };
+  }
+
+  BN.prototype._zeroBits = function _zeroBits (w) {
+    // Short-cut
+    if (w === 0) return 26;
+
+    var t = w;
+    var r = 0;
+    if ((t & 0x1fff) === 0) {
+      r += 13;
+      t >>>= 13;
+    }
+    if ((t & 0x7f) === 0) {
+      r += 7;
+      t >>>= 7;
+    }
+    if ((t & 0xf) === 0) {
+      r += 4;
+      t >>>= 4;
+    }
+    if ((t & 0x3) === 0) {
+      r += 2;
+      t >>>= 2;
+    }
+    if ((t & 0x1) === 0) {
+      r++;
+    }
+    return r;
+  };
+
+  // Return number of used bits in a BN
+  BN.prototype.bitLength = function bitLength () {
+    var w = this.words[this.length - 1];
+    var hi = this._countBits(w);
+    return (this.length - 1) * 26 + hi;
+  };
+
+  function toBitArray (num) {
+    var w = new Array(num.bitLength());
+
+    for (var bit = 0; bit < w.length; bit++) {
+      var off = (bit / 26) | 0;
+      var wbit = bit % 26;
+
+      w[bit] = (num.words[off] & (1 << wbit)) >>> wbit;
+    }
+
+    return w;
+  }
+
+  // Number of trailing zero bits
+  BN.prototype.zeroBits = function zeroBits () {
+    if (this.isZero()) return 0;
+
+    var r = 0;
+    for (var i = 0; i < this.length; i++) {
+      var b = this._zeroBits(this.words[i]);
+      r += b;
+      if (b !== 26) break;
+    }
+    return r;
+  };
+
+  BN.prototype.byteLength = function byteLength () {
+    return Math.ceil(this.bitLength() / 8);
+  };
+
+  BN.prototype.toTwos = function toTwos (width) {
+    if (this.negative !== 0) {
+      return this.abs().inotn(width).iaddn(1);
+    }
+    return this.clone();
+  };
+
+  BN.prototype.fromTwos = function fromTwos (width) {
+    if (this.testn(width - 1)) {
+      return this.notn(width).iaddn(1).ineg();
+    }
+    return this.clone();
+  };
+
+  BN.prototype.isNeg = function isNeg () {
+    return this.negative !== 0;
+  };
+
+  // Return negative clone of `this`
+  BN.prototype.neg = function neg () {
+    return this.clone().ineg();
+  };
+
+  BN.prototype.ineg = function ineg () {
+    if (!this.isZero()) {
+      this.negative ^= 1;
+    }
+
+    return this;
+  };
+
+  // Or `num` with `this` in-place
+  BN.prototype.iuor = function iuor (num) {
+    while (this.length < num.length) {
+      this.words[this.length++] = 0;
+    }
+
+    for (var i = 0; i < num.length; i++) {
+      this.words[i] = this.words[i] | num.words[i];
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.ior = function ior (num) {
+    assert((this.negative | num.negative) === 0);
+    return this.iuor(num);
+  };
+
+  // Or `num` with `this`
+  BN.prototype.or = function or (num) {
+    if (this.length > num.length) return this.clone().ior(num);
+    return num.clone().ior(this);
+  };
+
+  BN.prototype.uor = function uor (num) {
+    if (this.length > num.length) return this.clone().iuor(num);
+    return num.clone().iuor(this);
+  };
+
+  // And `num` with `this` in-place
+  BN.prototype.iuand = function iuand (num) {
+    // b = min-length(num, this)
+    var b;
+    if (this.length > num.length) {
+      b = num;
+    } else {
+      b = this;
+    }
+
+    for (var i = 0; i < b.length; i++) {
+      this.words[i] = this.words[i] & num.words[i];
+    }
+
+    this.length = b.length;
+
+    return this.strip();
+  };
+
+  BN.prototype.iand = function iand (num) {
+    assert((this.negative | num.negative) === 0);
+    return this.iuand(num);
+  };
+
+  // And `num` with `this`
+  BN.prototype.and = function and (num) {
+    if (this.length > num.length) return this.clone().iand(num);
+    return num.clone().iand(this);
+  };
+
+  BN.prototype.uand = function uand (num) {
+    if (this.length > num.length) return this.clone().iuand(num);
+    return num.clone().iuand(this);
+  };
+
+  // Xor `num` with `this` in-place
+  BN.prototype.iuxor = function iuxor (num) {
+    // a.length > b.length
+    var a;
+    var b;
+    if (this.length > num.length) {
+      a = this;
+      b = num;
+    } else {
+      a = num;
+      b = this;
+    }
+
+    for (var i = 0; i < b.length; i++) {
+      this.words[i] = a.words[i] ^ b.words[i];
+    }
+
+    if (this !== a) {
+      for (; i < a.length; i++) {
+        this.words[i] = a.words[i];
+      }
+    }
+
+    this.length = a.length;
+
+    return this.strip();
+  };
+
+  BN.prototype.ixor = function ixor (num) {
+    assert((this.negative | num.negative) === 0);
+    return this.iuxor(num);
+  };
+
+  // Xor `num` with `this`
+  BN.prototype.xor = function xor (num) {
+    if (this.length > num.length) return this.clone().ixor(num);
+    return num.clone().ixor(this);
+  };
+
+  BN.prototype.uxor = function uxor (num) {
+    if (this.length > num.length) return this.clone().iuxor(num);
+    return num.clone().iuxor(this);
+  };
+
+  // Not ``this`` with ``width`` bitwidth
+  BN.prototype.inotn = function inotn (width) {
+    assert(typeof width === 'number' && width >= 0);
+
+    var bytesNeeded = Math.ceil(width / 26) | 0;
+    var bitsLeft = width % 26;
+
+    // Extend the buffer with leading zeroes
+    this._expand(bytesNeeded);
+
+    if (bitsLeft > 0) {
+      bytesNeeded--;
+    }
+
+    // Handle complete words
+    for (var i = 0; i < bytesNeeded; i++) {
+      this.words[i] = ~this.words[i] & 0x3ffffff;
+    }
+
+    // Handle the residue
+    if (bitsLeft > 0) {
+      this.words[i] = ~this.words[i] & (0x3ffffff >> (26 - bitsLeft));
+    }
+
+    // And remove leading zeroes
+    return this.strip();
+  };
+
+  BN.prototype.notn = function notn (width) {
+    return this.clone().inotn(width);
+  };
+
+  // Set `bit` of `this`
+  BN.prototype.setn = function setn (bit, val) {
+    assert(typeof bit === 'number' && bit >= 0);
+
+    var off = (bit / 26) | 0;
+    var wbit = bit % 26;
+
+    this._expand(off + 1);
+
+    if (val) {
+      this.words[off] = this.words[off] | (1 << wbit);
+    } else {
+      this.words[off] = this.words[off] & ~(1 << wbit);
+    }
+
+    return this.strip();
+  };
+
+  // Add `num` to `this` in-place
+  BN.prototype.iadd = function iadd (num) {
+    var r;
+
+    // negative + positive
+    if (this.negative !== 0 && num.negative === 0) {
+      this.negative = 0;
+      r = this.isub(num);
+      this.negative ^= 1;
+      return this._normSign();
+
+    // positive + negative
+    } else if (this.negative === 0 && num.negative !== 0) {
+      num.negative = 0;
+      r = this.isub(num);
+      num.negative = 1;
+      return r._normSign();
+    }
+
+    // a.length > b.length
+    var a, b;
+    if (this.length > num.length) {
+      a = this;
+      b = num;
+    } else {
+      a = num;
+      b = this;
+    }
+
+    var carry = 0;
+    for (var i = 0; i < b.length; i++) {
+      r = (a.words[i] | 0) + (b.words[i] | 0) + carry;
+      this.words[i] = r & 0x3ffffff;
+      carry = r >>> 26;
+    }
+    for (; carry !== 0 && i < a.length; i++) {
+      r = (a.words[i] | 0) + carry;
+      this.words[i] = r & 0x3ffffff;
+      carry = r >>> 26;
+    }
+
+    this.length = a.length;
+    if (carry !== 0) {
+      this.words[this.length] = carry;
+      this.length++;
+    // Copy the rest of the words
+    } else if (a !== this) {
+      for (; i < a.length; i++) {
+        this.words[i] = a.words[i];
+      }
+    }
+
+    return this;
+  };
+
+  // Add `num` to `this`
+  BN.prototype.add = function add (num) {
+    var res;
+    if (num.negative !== 0 && this.negative === 0) {
+      num.negative = 0;
+      res = this.sub(num);
+      num.negative ^= 1;
+      return res;
+    } else if (num.negative === 0 && this.negative !== 0) {
+      this.negative = 0;
+      res = num.sub(this);
+      this.negative = 1;
+      return res;
+    }
+
+    if (this.length > num.length) return this.clone().iadd(num);
+
+    return num.clone().iadd(this);
+  };
+
+  // Subtract `num` from `this` in-place
+  BN.prototype.isub = function isub (num) {
+    // this - (-num) = this + num
+    if (num.negative !== 0) {
+      num.negative = 0;
+      var r = this.iadd(num);
+      num.negative = 1;
+      return r._normSign();
+
+    // -this - num = -(this + num)
+    } else if (this.negative !== 0) {
+      this.negative = 0;
+      this.iadd(num);
+      this.negative = 1;
+      return this._normSign();
+    }
+
+    // At this point both numbers are positive
+    var cmp = this.cmp(num);
+
+    // Optimization - zeroify
+    if (cmp === 0) {
+      this.negative = 0;
+      this.length = 1;
+      this.words[0] = 0;
+      return this;
+    }
+
+    // a > b
+    var a, b;
+    if (cmp > 0) {
+      a = this;
+      b = num;
+    } else {
+      a = num;
+      b = this;
+    }
+
+    var carry = 0;
+    for (var i = 0; i < b.length; i++) {
+      r = (a.words[i] | 0) - (b.words[i] | 0) + carry;
+      carry = r >> 26;
+      this.words[i] = r & 0x3ffffff;
+    }
+    for (; carry !== 0 && i < a.length; i++) {
+      r = (a.words[i] | 0) + carry;
+      carry = r >> 26;
+      this.words[i] = r & 0x3ffffff;
+    }
+
+    // Copy rest of the words
+    if (carry === 0 && i < a.length && a !== this) {
+      for (; i < a.length; i++) {
+        this.words[i] = a.words[i];
+      }
+    }
+
+    this.length = Math.max(this.length, i);
+
+    if (a !== this) {
+      this.negative = 1;
+    }
+
+    return this.strip();
+  };
+
+  // Subtract `num` from `this`
+  BN.prototype.sub = function sub (num) {
+    return this.clone().isub(num);
+  };
+
+  function smallMulTo (self, num, out) {
+    out.negative = num.negative ^ self.negative;
+    var len = (self.length + num.length) | 0;
+    out.length = len;
+    len = (len - 1) | 0;
+
+    // Peel one iteration (compiler can't do it, because of code complexity)
+    var a = self.words[0] | 0;
+    var b = num.words[0] | 0;
+    var r = a * b;
+
+    var lo = r & 0x3ffffff;
+    var carry = (r / 0x4000000) | 0;
+    out.words[0] = lo;
+
+    for (var k = 1; k < len; k++) {
+      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
+      // note that ncarry could be >= 0x3ffffff
+      var ncarry = carry >>> 26;
+      var rword = carry & 0x3ffffff;
+      var maxJ = Math.min(k, num.length - 1);
+      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
+        var i = (k - j) | 0;
+        a = self.words[i] | 0;
+        b = num.words[j] | 0;
+        r = a * b + rword;
+        ncarry += (r / 0x4000000) | 0;
+        rword = r & 0x3ffffff;
+      }
+      out.words[k] = rword | 0;
+      carry = ncarry | 0;
+    }
+    if (carry !== 0) {
+      out.words[k] = carry | 0;
+    } else {
+      out.length--;
+    }
+
+    return out.strip();
+  }
+
+  // TODO(indutny): it may be reasonable to omit it for users who don't need
+  // to work with 256-bit numbers, otherwise it gives 20% improvement for 256-bit
+  // multiplication (like elliptic secp256k1).
+  var comb10MulTo = function comb10MulTo (self, num, out) {
+    var a = self.words;
+    var b = num.words;
+    var o = out.words;
+    var c = 0;
+    var lo;
+    var mid;
+    var hi;
+    var a0 = a[0] | 0;
+    var al0 = a0 & 0x1fff;
+    var ah0 = a0 >>> 13;
+    var a1 = a[1] | 0;
+    var al1 = a1 & 0x1fff;
+    var ah1 = a1 >>> 13;
+    var a2 = a[2] | 0;
+    var al2 = a2 & 0x1fff;
+    var ah2 = a2 >>> 13;
+    var a3 = a[3] | 0;
+    var al3 = a3 & 0x1fff;
+    var ah3 = a3 >>> 13;
+    var a4 = a[4] | 0;
+    var al4 = a4 & 0x1fff;
+    var ah4 = a4 >>> 13;
+    var a5 = a[5] | 0;
+    var al5 = a5 & 0x1fff;
+    var ah5 = a5 >>> 13;
+    var a6 = a[6] | 0;
+    var al6 = a6 & 0x1fff;
+    var ah6 = a6 >>> 13;
+    var a7 = a[7] | 0;
+    var al7 = a7 & 0x1fff;
+    var ah7 = a7 >>> 13;
+    var a8 = a[8] | 0;
+    var al8 = a8 & 0x1fff;
+    var ah8 = a8 >>> 13;
+    var a9 = a[9] | 0;
+    var al9 = a9 & 0x1fff;
+    var ah9 = a9 >>> 13;
+    var b0 = b[0] | 0;
+    var bl0 = b0 & 0x1fff;
+    var bh0 = b0 >>> 13;
+    var b1 = b[1] | 0;
+    var bl1 = b1 & 0x1fff;
+    var bh1 = b1 >>> 13;
+    var b2 = b[2] | 0;
+    var bl2 = b2 & 0x1fff;
+    var bh2 = b2 >>> 13;
+    var b3 = b[3] | 0;
+    var bl3 = b3 & 0x1fff;
+    var bh3 = b3 >>> 13;
+    var b4 = b[4] | 0;
+    var bl4 = b4 & 0x1fff;
+    var bh4 = b4 >>> 13;
+    var b5 = b[5] | 0;
+    var bl5 = b5 & 0x1fff;
+    var bh5 = b5 >>> 13;
+    var b6 = b[6] | 0;
+    var bl6 = b6 & 0x1fff;
+    var bh6 = b6 >>> 13;
+    var b7 = b[7] | 0;
+    var bl7 = b7 & 0x1fff;
+    var bh7 = b7 >>> 13;
+    var b8 = b[8] | 0;
+    var bl8 = b8 & 0x1fff;
+    var bh8 = b8 >>> 13;
+    var b9 = b[9] | 0;
+    var bl9 = b9 & 0x1fff;
+    var bh9 = b9 >>> 13;
+
+    out.negative = self.negative ^ num.negative;
+    out.length = 19;
+    /* k = 0 */
+    lo = Math.imul(al0, bl0);
+    mid = Math.imul(al0, bh0);
+    mid = (mid + Math.imul(ah0, bl0)) | 0;
+    hi = Math.imul(ah0, bh0);
+    var w0 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w0 >>> 26)) | 0;
+    w0 &= 0x3ffffff;
+    /* k = 1 */
+    lo = Math.imul(al1, bl0);
+    mid = Math.imul(al1, bh0);
+    mid = (mid + Math.imul(ah1, bl0)) | 0;
+    hi = Math.imul(ah1, bh0);
+    lo = (lo + Math.imul(al0, bl1)) | 0;
+    mid = (mid + Math.imul(al0, bh1)) | 0;
+    mid = (mid + Math.imul(ah0, bl1)) | 0;
+    hi = (hi + Math.imul(ah0, bh1)) | 0;
+    var w1 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w1 >>> 26)) | 0;
+    w1 &= 0x3ffffff;
+    /* k = 2 */
+    lo = Math.imul(al2, bl0);
+    mid = Math.imul(al2, bh0);
+    mid = (mid + Math.imul(ah2, bl0)) | 0;
+    hi = Math.imul(ah2, bh0);
+    lo = (lo + Math.imul(al1, bl1)) | 0;
+    mid = (mid + Math.imul(al1, bh1)) | 0;
+    mid = (mid + Math.imul(ah1, bl1)) | 0;
+    hi = (hi + Math.imul(ah1, bh1)) | 0;
+    lo = (lo + Math.imul(al0, bl2)) | 0;
+    mid = (mid + Math.imul(al0, bh2)) | 0;
+    mid = (mid + Math.imul(ah0, bl2)) | 0;
+    hi = (hi + Math.imul(ah0, bh2)) | 0;
+    var w2 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w2 >>> 26)) | 0;
+    w2 &= 0x3ffffff;
+    /* k = 3 */
+    lo = Math.imul(al3, bl0);
+    mid = Math.imul(al3, bh0);
+    mid = (mid + Math.imul(ah3, bl0)) | 0;
+    hi = Math.imul(ah3, bh0);
+    lo = (lo + Math.imul(al2, bl1)) | 0;
+    mid = (mid + Math.imul(al2, bh1)) | 0;
+    mid = (mid + Math.imul(ah2, bl1)) | 0;
+    hi = (hi + Math.imul(ah2, bh1)) | 0;
+    lo = (lo + Math.imul(al1, bl2)) | 0;
+    mid = (mid + Math.imul(al1, bh2)) | 0;
+    mid = (mid + Math.imul(ah1, bl2)) | 0;
+    hi = (hi + Math.imul(ah1, bh2)) | 0;
+    lo = (lo + Math.imul(al0, bl3)) | 0;
+    mid = (mid + Math.imul(al0, bh3)) | 0;
+    mid = (mid + Math.imul(ah0, bl3)) | 0;
+    hi = (hi + Math.imul(ah0, bh3)) | 0;
+    var w3 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w3 >>> 26)) | 0;
+    w3 &= 0x3ffffff;
+    /* k = 4 */
+    lo = Math.imul(al4, bl0);
+    mid = Math.imul(al4, bh0);
+    mid = (mid + Math.imul(ah4, bl0)) | 0;
+    hi = Math.imul(ah4, bh0);
+    lo = (lo + Math.imul(al3, bl1)) | 0;
+    mid = (mid + Math.imul(al3, bh1)) | 0;
+    mid = (mid + Math.imul(ah3, bl1)) | 0;
+    hi = (hi + Math.imul(ah3, bh1)) | 0;
+    lo = (lo + Math.imul(al2, bl2)) | 0;
+    mid = (mid + Math.imul(al2, bh2)) | 0;
+    mid = (mid + Math.imul(ah2, bl2)) | 0;
+    hi = (hi + Math.imul(ah2, bh2)) | 0;
+    lo = (lo + Math.imul(al1, bl3)) | 0;
+    mid = (mid + Math.imul(al1, bh3)) | 0;
+    mid = (mid + Math.imul(ah1, bl3)) | 0;
+    hi = (hi + Math.imul(ah1, bh3)) | 0;
+    lo = (lo + Math.imul(al0, bl4)) | 0;
+    mid = (mid + Math.imul(al0, bh4)) | 0;
+    mid = (mid + Math.imul(ah0, bl4)) | 0;
+    hi = (hi + Math.imul(ah0, bh4)) | 0;
+    var w4 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w4 >>> 26)) | 0;
+    w4 &= 0x3ffffff;
+    /* k = 5 */
+    lo = Math.imul(al5, bl0);
+    mid = Math.imul(al5, bh0);
+    mid = (mid + Math.imul(ah5, bl0)) | 0;
+    hi = Math.imul(ah5, bh0);
+    lo = (lo + Math.imul(al4, bl1)) | 0;
+    mid = (mid + Math.imul(al4, bh1)) | 0;
+    mid = (mid + Math.imul(ah4, bl1)) | 0;
+    hi = (hi + Math.imul(ah4, bh1)) | 0;
+    lo = (lo + Math.imul(al3, bl2)) | 0;
+    mid = (mid + Math.imul(al3, bh2)) | 0;
+    mid = (mid + Math.imul(ah3, bl2)) | 0;
+    hi = (hi + Math.imul(ah3, bh2)) | 0;
+    lo = (lo + Math.imul(al2, bl3)) | 0;
+    mid = (mid + Math.imul(al2, bh3)) | 0;
+    mid = (mid + Math.imul(ah2, bl3)) | 0;
+    hi = (hi + Math.imul(ah2, bh3)) | 0;
+    lo = (lo + Math.imul(al1, bl4)) | 0;
+    mid = (mid + Math.imul(al1, bh4)) | 0;
+    mid = (mid + Math.imul(ah1, bl4)) | 0;
+    hi = (hi + Math.imul(ah1, bh4)) | 0;
+    lo = (lo + Math.imul(al0, bl5)) | 0;
+    mid = (mid + Math.imul(al0, bh5)) | 0;
+    mid = (mid + Math.imul(ah0, bl5)) | 0;
+    hi = (hi + Math.imul(ah0, bh5)) | 0;
+    var w5 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w5 >>> 26)) | 0;
+    w5 &= 0x3ffffff;
+    /* k = 6 */
+    lo = Math.imul(al6, bl0);
+    mid = Math.imul(al6, bh0);
+    mid = (mid + Math.imul(ah6, bl0)) | 0;
+    hi = Math.imul(ah6, bh0);
+    lo = (lo + Math.imul(al5, bl1)) | 0;
+    mid = (mid + Math.imul(al5, bh1)) | 0;
+    mid = (mid + Math.imul(ah5, bl1)) | 0;
+    hi = (hi + Math.imul(ah5, bh1)) | 0;
+    lo = (lo + Math.imul(al4, bl2)) | 0;
+    mid = (mid + Math.imul(al4, bh2)) | 0;
+    mid = (mid + Math.imul(ah4, bl2)) | 0;
+    hi = (hi + Math.imul(ah4, bh2)) | 0;
+    lo = (lo + Math.imul(al3, bl3)) | 0;
+    mid = (mid + Math.imul(al3, bh3)) | 0;
+    mid = (mid + Math.imul(ah3, bl3)) | 0;
+    hi = (hi + Math.imul(ah3, bh3)) | 0;
+    lo = (lo + Math.imul(al2, bl4)) | 0;
+    mid = (mid + Math.imul(al2, bh4)) | 0;
+    mid = (mid + Math.imul(ah2, bl4)) | 0;
+    hi = (hi + Math.imul(ah2, bh4)) | 0;
+    lo = (lo + Math.imul(al1, bl5)) | 0;
+    mid = (mid + Math.imul(al1, bh5)) | 0;
+    mid = (mid + Math.imul(ah1, bl5)) | 0;
+    hi = (hi + Math.imul(ah1, bh5)) | 0;
+    lo = (lo + Math.imul(al0, bl6)) | 0;
+    mid = (mid + Math.imul(al0, bh6)) | 0;
+    mid = (mid + Math.imul(ah0, bl6)) | 0;
+    hi = (hi + Math.imul(ah0, bh6)) | 0;
+    var w6 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w6 >>> 26)) | 0;
+    w6 &= 0x3ffffff;
+    /* k = 7 */
+    lo = Math.imul(al7, bl0);
+    mid = Math.imul(al7, bh0);
+    mid = (mid + Math.imul(ah7, bl0)) | 0;
+    hi = Math.imul(ah7, bh0);
+    lo = (lo + Math.imul(al6, bl1)) | 0;
+    mid = (mid + Math.imul(al6, bh1)) | 0;
+    mid = (mid + Math.imul(ah6, bl1)) | 0;
+    hi = (hi + Math.imul(ah6, bh1)) | 0;
+    lo = (lo + Math.imul(al5, bl2)) | 0;
+    mid = (mid + Math.imul(al5, bh2)) | 0;
+    mid = (mid + Math.imul(ah5, bl2)) | 0;
+    hi = (hi + Math.imul(ah5, bh2)) | 0;
+    lo = (lo + Math.imul(al4, bl3)) | 0;
+    mid = (mid + Math.imul(al4, bh3)) | 0;
+    mid = (mid + Math.imul(ah4, bl3)) | 0;
+    hi = (hi + Math.imul(ah4, bh3)) | 0;
+    lo = (lo + Math.imul(al3, bl4)) | 0;
+    mid = (mid + Math.imul(al3, bh4)) | 0;
+    mid = (mid + Math.imul(ah3, bl4)) | 0;
+    hi = (hi + Math.imul(ah3, bh4)) | 0;
+    lo = (lo + Math.imul(al2, bl5)) | 0;
+    mid = (mid + Math.imul(al2, bh5)) | 0;
+    mid = (mid + Math.imul(ah2, bl5)) | 0;
+    hi = (hi + Math.imul(ah2, bh5)) | 0;
+    lo = (lo + Math.imul(al1, bl6)) | 0;
+    mid = (mid + Math.imul(al1, bh6)) | 0;
+    mid = (mid + Math.imul(ah1, bl6)) | 0;
+    hi = (hi + Math.imul(ah1, bh6)) | 0;
+    lo = (lo + Math.imul(al0, bl7)) | 0;
+    mid = (mid + Math.imul(al0, bh7)) | 0;
+    mid = (mid + Math.imul(ah0, bl7)) | 0;
+    hi = (hi + Math.imul(ah0, bh7)) | 0;
+    var w7 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w7 >>> 26)) | 0;
+    w7 &= 0x3ffffff;
+    /* k = 8 */
+    lo = Math.imul(al8, bl0);
+    mid = Math.imul(al8, bh0);
+    mid = (mid + Math.imul(ah8, bl0)) | 0;
+    hi = Math.imul(ah8, bh0);
+    lo = (lo + Math.imul(al7, bl1)) | 0;
+    mid = (mid + Math.imul(al7, bh1)) | 0;
+    mid = (mid + Math.imul(ah7, bl1)) | 0;
+    hi = (hi + Math.imul(ah7, bh1)) | 0;
+    lo = (lo + Math.imul(al6, bl2)) | 0;
+    mid = (mid + Math.imul(al6, bh2)) | 0;
+    mid = (mid + Math.imul(ah6, bl2)) | 0;
+    hi = (hi + Math.imul(ah6, bh2)) | 0;
+    lo = (lo + Math.imul(al5, bl3)) | 0;
+    mid = (mid + Math.imul(al5, bh3)) | 0;
+    mid = (mid + Math.imul(ah5, bl3)) | 0;
+    hi = (hi + Math.imul(ah5, bh3)) | 0;
+    lo = (lo + Math.imul(al4, bl4)) | 0;
+    mid = (mid + Math.imul(al4, bh4)) | 0;
+    mid = (mid + Math.imul(ah4, bl4)) | 0;
+    hi = (hi + Math.imul(ah4, bh4)) | 0;
+    lo = (lo + Math.imul(al3, bl5)) | 0;
+    mid = (mid + Math.imul(al3, bh5)) | 0;
+    mid = (mid + Math.imul(ah3, bl5)) | 0;
+    hi = (hi + Math.imul(ah3, bh5)) | 0;
+    lo = (lo + Math.imul(al2, bl6)) | 0;
+    mid = (mid + Math.imul(al2, bh6)) | 0;
+    mid = (mid + Math.imul(ah2, bl6)) | 0;
+    hi = (hi + Math.imul(ah2, bh6)) | 0;
+    lo = (lo + Math.imul(al1, bl7)) | 0;
+    mid = (mid + Math.imul(al1, bh7)) | 0;
+    mid = (mid + Math.imul(ah1, bl7)) | 0;
+    hi = (hi + Math.imul(ah1, bh7)) | 0;
+    lo = (lo + Math.imul(al0, bl8)) | 0;
+    mid = (mid + Math.imul(al0, bh8)) | 0;
+    mid = (mid + Math.imul(ah0, bl8)) | 0;
+    hi = (hi + Math.imul(ah0, bh8)) | 0;
+    var w8 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w8 >>> 26)) | 0;
+    w8 &= 0x3ffffff;
+    /* k = 9 */
+    lo = Math.imul(al9, bl0);
+    mid = Math.imul(al9, bh0);
+    mid = (mid + Math.imul(ah9, bl0)) | 0;
+    hi = Math.imul(ah9, bh0);
+    lo = (lo + Math.imul(al8, bl1)) | 0;
+    mid = (mid + Math.imul(al8, bh1)) | 0;
+    mid = (mid + Math.imul(ah8, bl1)) | 0;
+    hi = (hi + Math.imul(ah8, bh1)) | 0;
+    lo = (lo + Math.imul(al7, bl2)) | 0;
+    mid = (mid + Math.imul(al7, bh2)) | 0;
+    mid = (mid + Math.imul(ah7, bl2)) | 0;
+    hi = (hi + Math.imul(ah7, bh2)) | 0;
+    lo = (lo + Math.imul(al6, bl3)) | 0;
+    mid = (mid + Math.imul(al6, bh3)) | 0;
+    mid = (mid + Math.imul(ah6, bl3)) | 0;
+    hi = (hi + Math.imul(ah6, bh3)) | 0;
+    lo = (lo + Math.imul(al5, bl4)) | 0;
+    mid = (mid + Math.imul(al5, bh4)) | 0;
+    mid = (mid + Math.imul(ah5, bl4)) | 0;
+    hi = (hi + Math.imul(ah5, bh4)) | 0;
+    lo = (lo + Math.imul(al4, bl5)) | 0;
+    mid = (mid + Math.imul(al4, bh5)) | 0;
+    mid = (mid + Math.imul(ah4, bl5)) | 0;
+    hi = (hi + Math.imul(ah4, bh5)) | 0;
+    lo = (lo + Math.imul(al3, bl6)) | 0;
+    mid = (mid + Math.imul(al3, bh6)) | 0;
+    mid = (mid + Math.imul(ah3, bl6)) | 0;
+    hi = (hi + Math.imul(ah3, bh6)) | 0;
+    lo = (lo + Math.imul(al2, bl7)) | 0;
+    mid = (mid + Math.imul(al2, bh7)) | 0;
+    mid = (mid + Math.imul(ah2, bl7)) | 0;
+    hi = (hi + Math.imul(ah2, bh7)) | 0;
+    lo = (lo + Math.imul(al1, bl8)) | 0;
+    mid = (mid + Math.imul(al1, bh8)) | 0;
+    mid = (mid + Math.imul(ah1, bl8)) | 0;
+    hi = (hi + Math.imul(ah1, bh8)) | 0;
+    lo = (lo + Math.imul(al0, bl9)) | 0;
+    mid = (mid + Math.imul(al0, bh9)) | 0;
+    mid = (mid + Math.imul(ah0, bl9)) | 0;
+    hi = (hi + Math.imul(ah0, bh9)) | 0;
+    var w9 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w9 >>> 26)) | 0;
+    w9 &= 0x3ffffff;
+    /* k = 10 */
+    lo = Math.imul(al9, bl1);
+    mid = Math.imul(al9, bh1);
+    mid = (mid + Math.imul(ah9, bl1)) | 0;
+    hi = Math.imul(ah9, bh1);
+    lo = (lo + Math.imul(al8, bl2)) | 0;
+    mid = (mid + Math.imul(al8, bh2)) | 0;
+    mid = (mid + Math.imul(ah8, bl2)) | 0;
+    hi = (hi + Math.imul(ah8, bh2)) | 0;
+    lo = (lo + Math.imul(al7, bl3)) | 0;
+    mid = (mid + Math.imul(al7, bh3)) | 0;
+    mid = (mid + Math.imul(ah7, bl3)) | 0;
+    hi = (hi + Math.imul(ah7, bh3)) | 0;
+    lo = (lo + Math.imul(al6, bl4)) | 0;
+    mid = (mid + Math.imul(al6, bh4)) | 0;
+    mid = (mid + Math.imul(ah6, bl4)) | 0;
+    hi = (hi + Math.imul(ah6, bh4)) | 0;
+    lo = (lo + Math.imul(al5, bl5)) | 0;
+    mid = (mid + Math.imul(al5, bh5)) | 0;
+    mid = (mid + Math.imul(ah5, bl5)) | 0;
+    hi = (hi + Math.imul(ah5, bh5)) | 0;
+    lo = (lo + Math.imul(al4, bl6)) | 0;
+    mid = (mid + Math.imul(al4, bh6)) | 0;
+    mid = (mid + Math.imul(ah4, bl6)) | 0;
+    hi = (hi + Math.imul(ah4, bh6)) | 0;
+    lo = (lo + Math.imul(al3, bl7)) | 0;
+    mid = (mid + Math.imul(al3, bh7)) | 0;
+    mid = (mid + Math.imul(ah3, bl7)) | 0;
+    hi = (hi + Math.imul(ah3, bh7)) | 0;
+    lo = (lo + Math.imul(al2, bl8)) | 0;
+    mid = (mid + Math.imul(al2, bh8)) | 0;
+    mid = (mid + Math.imul(ah2, bl8)) | 0;
+    hi = (hi + Math.imul(ah2, bh8)) | 0;
+    lo = (lo + Math.imul(al1, bl9)) | 0;
+    mid = (mid + Math.imul(al1, bh9)) | 0;
+    mid = (mid + Math.imul(ah1, bl9)) | 0;
+    hi = (hi + Math.imul(ah1, bh9)) | 0;
+    var w10 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w10 >>> 26)) | 0;
+    w10 &= 0x3ffffff;
+    /* k = 11 */
+    lo = Math.imul(al9, bl2);
+    mid = Math.imul(al9, bh2);
+    mid = (mid + Math.imul(ah9, bl2)) | 0;
+    hi = Math.imul(ah9, bh2);
+    lo = (lo + Math.imul(al8, bl3)) | 0;
+    mid = (mid + Math.imul(al8, bh3)) | 0;
+    mid = (mid + Math.imul(ah8, bl3)) | 0;
+    hi = (hi + Math.imul(ah8, bh3)) | 0;
+    lo = (lo + Math.imul(al7, bl4)) | 0;
+    mid = (mid + Math.imul(al7, bh4)) | 0;
+    mid = (mid + Math.imul(ah7, bl4)) | 0;
+    hi = (hi + Math.imul(ah7, bh4)) | 0;
+    lo = (lo + Math.imul(al6, bl5)) | 0;
+    mid = (mid + Math.imul(al6, bh5)) | 0;
+    mid = (mid + Math.imul(ah6, bl5)) | 0;
+    hi = (hi + Math.imul(ah6, bh5)) | 0;
+    lo = (lo + Math.imul(al5, bl6)) | 0;
+    mid = (mid + Math.imul(al5, bh6)) | 0;
+    mid = (mid + Math.imul(ah5, bl6)) | 0;
+    hi = (hi + Math.imul(ah5, bh6)) | 0;
+    lo = (lo + Math.imul(al4, bl7)) | 0;
+    mid = (mid + Math.imul(al4, bh7)) | 0;
+    mid = (mid + Math.imul(ah4, bl7)) | 0;
+    hi = (hi + Math.imul(ah4, bh7)) | 0;
+    lo = (lo + Math.imul(al3, bl8)) | 0;
+    mid = (mid + Math.imul(al3, bh8)) | 0;
+    mid = (mid + Math.imul(ah3, bl8)) | 0;
+    hi = (hi + Math.imul(ah3, bh8)) | 0;
+    lo = (lo + Math.imul(al2, bl9)) | 0;
+    mid = (mid + Math.imul(al2, bh9)) | 0;
+    mid = (mid + Math.imul(ah2, bl9)) | 0;
+    hi = (hi + Math.imul(ah2, bh9)) | 0;
+    var w11 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w11 >>> 26)) | 0;
+    w11 &= 0x3ffffff;
+    /* k = 12 */
+    lo = Math.imul(al9, bl3);
+    mid = Math.imul(al9, bh3);
+    mid = (mid + Math.imul(ah9, bl3)) | 0;
+    hi = Math.imul(ah9, bh3);
+    lo = (lo + Math.imul(al8, bl4)) | 0;
+    mid = (mid + Math.imul(al8, bh4)) | 0;
+    mid = (mid + Math.imul(ah8, bl4)) | 0;
+    hi = (hi + Math.imul(ah8, bh4)) | 0;
+    lo = (lo + Math.imul(al7, bl5)) | 0;
+    mid = (mid + Math.imul(al7, bh5)) | 0;
+    mid = (mid + Math.imul(ah7, bl5)) | 0;
+    hi = (hi + Math.imul(ah7, bh5)) | 0;
+    lo = (lo + Math.imul(al6, bl6)) | 0;
+    mid = (mid + Math.imul(al6, bh6)) | 0;
+    mid = (mid + Math.imul(ah6, bl6)) | 0;
+    hi = (hi + Math.imul(ah6, bh6)) | 0;
+    lo = (lo + Math.imul(al5, bl7)) | 0;
+    mid = (mid + Math.imul(al5, bh7)) | 0;
+    mid = (mid + Math.imul(ah5, bl7)) | 0;
+    hi = (hi + Math.imul(ah5, bh7)) | 0;
+    lo = (lo + Math.imul(al4, bl8)) | 0;
+    mid = (mid + Math.imul(al4, bh8)) | 0;
+    mid = (mid + Math.imul(ah4, bl8)) | 0;
+    hi = (hi + Math.imul(ah4, bh8)) | 0;
+    lo = (lo + Math.imul(al3, bl9)) | 0;
+    mid = (mid + Math.imul(al3, bh9)) | 0;
+    mid = (mid + Math.imul(ah3, bl9)) | 0;
+    hi = (hi + Math.imul(ah3, bh9)) | 0;
+    var w12 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w12 >>> 26)) | 0;
+    w12 &= 0x3ffffff;
+    /* k = 13 */
+    lo = Math.imul(al9, bl4);
+    mid = Math.imul(al9, bh4);
+    mid = (mid + Math.imul(ah9, bl4)) | 0;
+    hi = Math.imul(ah9, bh4);
+    lo = (lo + Math.imul(al8, bl5)) | 0;
+    mid = (mid + Math.imul(al8, bh5)) | 0;
+    mid = (mid + Math.imul(ah8, bl5)) | 0;
+    hi = (hi + Math.imul(ah8, bh5)) | 0;
+    lo = (lo + Math.imul(al7, bl6)) | 0;
+    mid = (mid + Math.imul(al7, bh6)) | 0;
+    mid = (mid + Math.imul(ah7, bl6)) | 0;
+    hi = (hi + Math.imul(ah7, bh6)) | 0;
+    lo = (lo + Math.imul(al6, bl7)) | 0;
+    mid = (mid + Math.imul(al6, bh7)) | 0;
+    mid = (mid + Math.imul(ah6, bl7)) | 0;
+    hi = (hi + Math.imul(ah6, bh7)) | 0;
+    lo = (lo + Math.imul(al5, bl8)) | 0;
+    mid = (mid + Math.imul(al5, bh8)) | 0;
+    mid = (mid + Math.imul(ah5, bl8)) | 0;
+    hi = (hi + Math.imul(ah5, bh8)) | 0;
+    lo = (lo + Math.imul(al4, bl9)) | 0;
+    mid = (mid + Math.imul(al4, bh9)) | 0;
+    mid = (mid + Math.imul(ah4, bl9)) | 0;
+    hi = (hi + Math.imul(ah4, bh9)) | 0;
+    var w13 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w13 >>> 26)) | 0;
+    w13 &= 0x3ffffff;
+    /* k = 14 */
+    lo = Math.imul(al9, bl5);
+    mid = Math.imul(al9, bh5);
+    mid = (mid + Math.imul(ah9, bl5)) | 0;
+    hi = Math.imul(ah9, bh5);
+    lo = (lo + Math.imul(al8, bl6)) | 0;
+    mid = (mid + Math.imul(al8, bh6)) | 0;
+    mid = (mid + Math.imul(ah8, bl6)) | 0;
+    hi = (hi + Math.imul(ah8, bh6)) | 0;
+    lo = (lo + Math.imul(al7, bl7)) | 0;
+    mid = (mid + Math.imul(al7, bh7)) | 0;
+    mid = (mid + Math.imul(ah7, bl7)) | 0;
+    hi = (hi + Math.imul(ah7, bh7)) | 0;
+    lo = (lo + Math.imul(al6, bl8)) | 0;
+    mid = (mid + Math.imul(al6, bh8)) | 0;
+    mid = (mid + Math.imul(ah6, bl8)) | 0;
+    hi = (hi + Math.imul(ah6, bh8)) | 0;
+    lo = (lo + Math.imul(al5, bl9)) | 0;
+    mid = (mid + Math.imul(al5, bh9)) | 0;
+    mid = (mid + Math.imul(ah5, bl9)) | 0;
+    hi = (hi + Math.imul(ah5, bh9)) | 0;
+    var w14 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w14 >>> 26)) | 0;
+    w14 &= 0x3ffffff;
+    /* k = 15 */
+    lo = Math.imul(al9, bl6);
+    mid = Math.imul(al9, bh6);
+    mid = (mid + Math.imul(ah9, bl6)) | 0;
+    hi = Math.imul(ah9, bh6);
+    lo = (lo + Math.imul(al8, bl7)) | 0;
+    mid = (mid + Math.imul(al8, bh7)) | 0;
+    mid = (mid + Math.imul(ah8, bl7)) | 0;
+    hi = (hi + Math.imul(ah8, bh7)) | 0;
+    lo = (lo + Math.imul(al7, bl8)) | 0;
+    mid = (mid + Math.imul(al7, bh8)) | 0;
+    mid = (mid + Math.imul(ah7, bl8)) | 0;
+    hi = (hi + Math.imul(ah7, bh8)) | 0;
+    lo = (lo + Math.imul(al6, bl9)) | 0;
+    mid = (mid + Math.imul(al6, bh9)) | 0;
+    mid = (mid + Math.imul(ah6, bl9)) | 0;
+    hi = (hi + Math.imul(ah6, bh9)) | 0;
+    var w15 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w15 >>> 26)) | 0;
+    w15 &= 0x3ffffff;
+    /* k = 16 */
+    lo = Math.imul(al9, bl7);
+    mid = Math.imul(al9, bh7);
+    mid = (mid + Math.imul(ah9, bl7)) | 0;
+    hi = Math.imul(ah9, bh7);
+    lo = (lo + Math.imul(al8, bl8)) | 0;
+    mid = (mid + Math.imul(al8, bh8)) | 0;
+    mid = (mid + Math.imul(ah8, bl8)) | 0;
+    hi = (hi + Math.imul(ah8, bh8)) | 0;
+    lo = (lo + Math.imul(al7, bl9)) | 0;
+    mid = (mid + Math.imul(al7, bh9)) | 0;
+    mid = (mid + Math.imul(ah7, bl9)) | 0;
+    hi = (hi + Math.imul(ah7, bh9)) | 0;
+    var w16 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w16 >>> 26)) | 0;
+    w16 &= 0x3ffffff;
+    /* k = 17 */
+    lo = Math.imul(al9, bl8);
+    mid = Math.imul(al9, bh8);
+    mid = (mid + Math.imul(ah9, bl8)) | 0;
+    hi = Math.imul(ah9, bh8);
+    lo = (lo + Math.imul(al8, bl9)) | 0;
+    mid = (mid + Math.imul(al8, bh9)) | 0;
+    mid = (mid + Math.imul(ah8, bl9)) | 0;
+    hi = (hi + Math.imul(ah8, bh9)) | 0;
+    var w17 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w17 >>> 26)) | 0;
+    w17 &= 0x3ffffff;
+    /* k = 18 */
+    lo = Math.imul(al9, bl9);
+    mid = Math.imul(al9, bh9);
+    mid = (mid + Math.imul(ah9, bl9)) | 0;
+    hi = Math.imul(ah9, bh9);
+    var w18 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
+    c = (((hi + (mid >>> 13)) | 0) + (w18 >>> 26)) | 0;
+    w18 &= 0x3ffffff;
+    o[0] = w0;
+    o[1] = w1;
+    o[2] = w2;
+    o[3] = w3;
+    o[4] = w4;
+    o[5] = w5;
+    o[6] = w6;
+    o[7] = w7;
+    o[8] = w8;
+    o[9] = w9;
+    o[10] = w10;
+    o[11] = w11;
+    o[12] = w12;
+    o[13] = w13;
+    o[14] = w14;
+    o[15] = w15;
+    o[16] = w16;
+    o[17] = w17;
+    o[18] = w18;
+    if (c !== 0) {
+      o[19] = c;
+      out.length++;
+    }
+    return out;
+  };
+
+  // Polyfill comb
+  if (!Math.imul) {
+    comb10MulTo = smallMulTo;
+  }
+
+  function bigMulTo (self, num, out) {
+    out.negative = num.negative ^ self.negative;
+    out.length = self.length + num.length;
+
+    var carry = 0;
+    var hncarry = 0;
+    for (var k = 0; k < out.length - 1; k++) {
+      // Sum all words with the same `i + j = k` and accumulate `ncarry`,
+      // note that ncarry could be >= 0x3ffffff
+      var ncarry = hncarry;
+      hncarry = 0;
+      var rword = carry & 0x3ffffff;
+      var maxJ = Math.min(k, num.length - 1);
+      for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
+        var i = k - j;
+        var a = self.words[i] | 0;
+        var b = num.words[j] | 0;
+        var r = a * b;
+
+        var lo = r & 0x3ffffff;
+        ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0;
+        lo = (lo + rword) | 0;
+        rword = lo & 0x3ffffff;
+        ncarry = (ncarry + (lo >>> 26)) | 0;
+
+        hncarry += ncarry >>> 26;
+        ncarry &= 0x3ffffff;
+      }
+      out.words[k] = rword;
+      carry = ncarry;
+      ncarry = hncarry;
+    }
+    if (carry !== 0) {
+      out.words[k] = carry;
+    } else {
+      out.length--;
+    }
+
+    return out.strip();
+  }
+
+  function jumboMulTo (self, num, out) {
+    var fftm = new FFTM();
+    return fftm.mulp(self, num, out);
+  }
+
+  BN.prototype.mulTo = function mulTo (num, out) {
+    var res;
+    var len = this.length + num.length;
+    if (this.length === 10 && num.length === 10) {
+      res = comb10MulTo(this, num, out);
+    } else if (len < 63) {
+      res = smallMulTo(this, num, out);
+    } else if (len < 1024) {
+      res = bigMulTo(this, num, out);
+    } else {
+      res = jumboMulTo(this, num, out);
+    }
+
+    return res;
+  };
+
+  // Cooley-Tukey algorithm for FFT
+  // slightly revisited to rely on looping instead of recursion
+
+  function FFTM (x, y) {
+    this.x = x;
+    this.y = y;
+  }
+
+  FFTM.prototype.makeRBT = function makeRBT (N) {
+    var t = new Array(N);
+    var l = BN.prototype._countBits(N) - 1;
+    for (var i = 0; i < N; i++) {
+      t[i] = this.revBin(i, l, N);
+    }
+
+    return t;
+  };
+
+  // Returns binary-reversed representation of `x`
+  FFTM.prototype.revBin = function revBin (x, l, N) {
+    if (x === 0 || x === N - 1) return x;
+
+    var rb = 0;
+    for (var i = 0; i < l; i++) {
+      rb |= (x & 1) << (l - i - 1);
+      x >>= 1;
+    }
+
+    return rb;
+  };
+
+  // Performs "tweedling" phase, therefore 'emulating'
+  // behaviour of the recursive algorithm
+  FFTM.prototype.permute = function permute (rbt, rws, iws, rtws, itws, N) {
+    for (var i = 0; i < N; i++) {
+      rtws[i] = rws[rbt[i]];
+      itws[i] = iws[rbt[i]];
+    }
+  };
+
+  FFTM.prototype.transform = function transform (rws, iws, rtws, itws, N, rbt) {
+    this.permute(rbt, rws, iws, rtws, itws, N);
+
+    for (var s = 1; s < N; s <<= 1) {
+      var l = s << 1;
+
+      var rtwdf = Math.cos(2 * Math.PI / l);
+      var itwdf = Math.sin(2 * Math.PI / l);
+
+      for (var p = 0; p < N; p += l) {
+        var rtwdf_ = rtwdf;
+        var itwdf_ = itwdf;
+
+        for (var j = 0; j < s; j++) {
+          var re = rtws[p + j];
+          var ie = itws[p + j];
+
+          var ro = rtws[p + j + s];
+          var io = itws[p + j + s];
+
+          var rx = rtwdf_ * ro - itwdf_ * io;
+
+          io = rtwdf_ * io + itwdf_ * ro;
+          ro = rx;
+
+          rtws[p + j] = re + ro;
+          itws[p + j] = ie + io;
+
+          rtws[p + j + s] = re - ro;
+          itws[p + j + s] = ie - io;
+
+          /* jshint maxdepth : false */
+          if (j !== l) {
+            rx = rtwdf * rtwdf_ - itwdf * itwdf_;
+
+            itwdf_ = rtwdf * itwdf_ + itwdf * rtwdf_;
+            rtwdf_ = rx;
+          }
+        }
+      }
+    }
+  };
+
+  FFTM.prototype.guessLen13b = function guessLen13b (n, m) {
+    var N = Math.max(m, n) | 1;
+    var odd = N & 1;
+    var i = 0;
+    for (N = N / 2 | 0; N; N = N >>> 1) {
+      i++;
+    }
+
+    return 1 << i + 1 + odd;
+  };
+
+  FFTM.prototype.conjugate = function conjugate (rws, iws, N) {
+    if (N <= 1) return;
+
+    for (var i = 0; i < N / 2; i++) {
+      var t = rws[i];
+
+      rws[i] = rws[N - i - 1];
+      rws[N - i - 1] = t;
+
+      t = iws[i];
+
+      iws[i] = -iws[N - i - 1];
+      iws[N - i - 1] = -t;
+    }
+  };
+
+  FFTM.prototype.normalize13b = function normalize13b (ws, N) {
+    var carry = 0;
+    for (var i = 0; i < N / 2; i++) {
+      var w = Math.round(ws[2 * i + 1] / N) * 0x2000 +
+        Math.round(ws[2 * i] / N) +
+        carry;
+
+      ws[i] = w & 0x3ffffff;
+
+      if (w < 0x4000000) {
+        carry = 0;
+      } else {
+        carry = w / 0x4000000 | 0;
+      }
+    }
+
+    return ws;
+  };
+
+  FFTM.prototype.convert13b = function convert13b (ws, len, rws, N) {
+    var carry = 0;
+    for (var i = 0; i < len; i++) {
+      carry = carry + (ws[i] | 0);
+
+      rws[2 * i] = carry & 0x1fff; carry = carry >>> 13;
+      rws[2 * i + 1] = carry & 0x1fff; carry = carry >>> 13;
+    }
+
+    // Pad with zeroes
+    for (i = 2 * len; i < N; ++i) {
+      rws[i] = 0;
+    }
+
+    assert(carry === 0);
+    assert((carry & ~0x1fff) === 0);
+  };
+
+  FFTM.prototype.stub = function stub (N) {
+    var ph = new Array(N);
+    for (var i = 0; i < N; i++) {
+      ph[i] = 0;
+    }
+
+    return ph;
+  };
+
+  FFTM.prototype.mulp = function mulp (x, y, out) {
+    var N = 2 * this.guessLen13b(x.length, y.length);
+
+    var rbt = this.makeRBT(N);
+
+    var _ = this.stub(N);
+
+    var rws = new Array(N);
+    var rwst = new Array(N);
+    var iwst = new Array(N);
+
+    var nrws = new Array(N);
+    var nrwst = new Array(N);
+    var niwst = new Array(N);
+
+    var rmws = out.words;
+    rmws.length = N;
+
+    this.convert13b(x.words, x.length, rws, N);
+    this.convert13b(y.words, y.length, nrws, N);
+
+    this.transform(rws, _, rwst, iwst, N, rbt);
+    this.transform(nrws, _, nrwst, niwst, N, rbt);
+
+    for (var i = 0; i < N; i++) {
+      var rx = rwst[i] * nrwst[i] - iwst[i] * niwst[i];
+      iwst[i] = rwst[i] * niwst[i] + iwst[i] * nrwst[i];
+      rwst[i] = rx;
+    }
+
+    this.conjugate(rwst, iwst, N);
+    this.transform(rwst, iwst, rmws, _, N, rbt);
+    this.conjugate(rmws, _, N);
+    this.normalize13b(rmws, N);
+
+    out.negative = x.negative ^ y.negative;
+    out.length = x.length + y.length;
+    return out.strip();
+  };
+
+  // Multiply `this` by `num`
+  BN.prototype.mul = function mul (num) {
+    var out = new BN(null);
+    out.words = new Array(this.length + num.length);
+    return this.mulTo(num, out);
+  };
+
+  // Multiply employing FFT
+  BN.prototype.mulf = function mulf (num) {
+    var out = new BN(null);
+    out.words = new Array(this.length + num.length);
+    return jumboMulTo(this, num, out);
+  };
+
+  // In-place Multiplication
+  BN.prototype.imul = function imul (num) {
+    return this.clone().mulTo(num, this);
+  };
+
+  BN.prototype.imuln = function imuln (num) {
+    assert(typeof num === 'number');
+    assert(num < 0x4000000);
+
+    // Carry
+    var carry = 0;
+    for (var i = 0; i < this.length; i++) {
+      var w = (this.words[i] | 0) * num;
+      var lo = (w & 0x3ffffff) + (carry & 0x3ffffff);
+      carry >>= 26;
+      carry += (w / 0x4000000) | 0;
+      // NOTE: lo is 27bit maximum
+      carry += lo >>> 26;
+      this.words[i] = lo & 0x3ffffff;
+    }
+
+    if (carry !== 0) {
+      this.words[i] = carry;
+      this.length++;
+    }
+
+    return this;
+  };
+
+  BN.prototype.muln = function muln (num) {
+    return this.clone().imuln(num);
+  };
+
+  // `this` * `this`
+  BN.prototype.sqr = function sqr () {
+    return this.mul(this);
+  };
+
+  // `this` * `this` in-place
+  BN.prototype.isqr = function isqr () {
+    return this.imul(this.clone());
+  };
+
+  // Math.pow(`this`, `num`)
+  BN.prototype.pow = function pow (num) {
+    var w = toBitArray(num);
+    if (w.length === 0) return new BN(1);
+
+    // Skip leading zeroes
+    var res = this;
+    for (var i = 0; i < w.length; i++, res = res.sqr()) {
+      if (w[i] !== 0) break;
+    }
+
+    if (++i < w.length) {
+      for (var q = res.sqr(); i < w.length; i++, q = q.sqr()) {
+        if (w[i] === 0) continue;
+
+        res = res.mul(q);
+      }
+    }
+
+    return res;
+  };
+
+  // Shift-left in-place
+  BN.prototype.iushln = function iushln (bits) {
+    assert(typeof bits === 'number' && bits >= 0);
+    var r = bits % 26;
+    var s = (bits - r) / 26;
+    var carryMask = (0x3ffffff >>> (26 - r)) << (26 - r);
+    var i;
+
+    if (r !== 0) {
+      var carry = 0;
+
+      for (i = 0; i < this.length; i++) {
+        var newCarry = this.words[i] & carryMask;
+        var c = ((this.words[i] | 0) - newCarry) << r;
+        this.words[i] = c | carry;
+        carry = newCarry >>> (26 - r);
+      }
+
+      if (carry) {
+        this.words[i] = carry;
+        this.length++;
+      }
+    }
+
+    if (s !== 0) {
+      for (i = this.length - 1; i >= 0; i--) {
+        this.words[i + s] = this.words[i];
+      }
+
+      for (i = 0; i < s; i++) {
+        this.words[i] = 0;
+      }
+
+      this.length += s;
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.ishln = function ishln (bits) {
+    // TODO(indutny): implement me
+    assert(this.negative === 0);
+    return this.iushln(bits);
+  };
+
+  // Shift-right in-place
+  // NOTE: `hint` is a lowest bit before trailing zeroes
+  // NOTE: if `extended` is present - it will be filled with destroyed bits
+  BN.prototype.iushrn = function iushrn (bits, hint, extended) {
+    assert(typeof bits === 'number' && bits >= 0);
+    var h;
+    if (hint) {
+      h = (hint - (hint % 26)) / 26;
+    } else {
+      h = 0;
+    }
+
+    var r = bits % 26;
+    var s = Math.min((bits - r) / 26, this.length);
+    var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
+    var maskedWords = extended;
+
+    h -= s;
+    h = Math.max(0, h);
+
+    // Extended mode, copy masked part
+    if (maskedWords) {
+      for (var i = 0; i < s; i++) {
+        maskedWords.words[i] = this.words[i];
+      }
+      maskedWords.length = s;
+    }
+
+    if (s === 0) {
+      // No-op, we should not move anything at all
+    } else if (this.length > s) {
+      this.length -= s;
+      for (i = 0; i < this.length; i++) {
+        this.words[i] = this.words[i + s];
+      }
+    } else {
+      this.words[0] = 0;
+      this.length = 1;
+    }
+
+    var carry = 0;
+    for (i = this.length - 1; i >= 0 && (carry !== 0 || i >= h); i--) {
+      var word = this.words[i] | 0;
+      this.words[i] = (carry << (26 - r)) | (word >>> r);
+      carry = word & mask;
+    }
+
+    // Push carried bits as a mask
+    if (maskedWords && carry !== 0) {
+      maskedWords.words[maskedWords.length++] = carry;
+    }
+
+    if (this.length === 0) {
+      this.words[0] = 0;
+      this.length = 1;
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.ishrn = function ishrn (bits, hint, extended) {
+    // TODO(indutny): implement me
+    assert(this.negative === 0);
+    return this.iushrn(bits, hint, extended);
+  };
+
+  // Shift-left
+  BN.prototype.shln = function shln (bits) {
+    return this.clone().ishln(bits);
+  };
+
+  BN.prototype.ushln = function ushln (bits) {
+    return this.clone().iushln(bits);
+  };
+
+  // Shift-right
+  BN.prototype.shrn = function shrn (bits) {
+    return this.clone().ishrn(bits);
+  };
+
+  BN.prototype.ushrn = function ushrn (bits) {
+    return this.clone().iushrn(bits);
+  };
+
+  // Test if n bit is set
+  BN.prototype.testn = function testn (bit) {
+    assert(typeof bit === 'number' && bit >= 0);
+    var r = bit % 26;
+    var s = (bit - r) / 26;
+    var q = 1 << r;
+
+    // Fast case: bit is much higher than all existing words
+    if (this.length <= s) return false;
+
+    // Check bit and return
+    var w = this.words[s];
+
+    return !!(w & q);
+  };
+
+  // Return only lowers bits of number (in-place)
+  BN.prototype.imaskn = function imaskn (bits) {
+    assert(typeof bits === 'number' && bits >= 0);
+    var r = bits % 26;
+    var s = (bits - r) / 26;
+
+    assert(this.negative === 0, 'imaskn works only with positive numbers');
+
+    if (this.length <= s) {
+      return this;
+    }
+
+    if (r !== 0) {
+      s++;
+    }
+    this.length = Math.min(s, this.length);
+
+    if (r !== 0) {
+      var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
+      this.words[this.length - 1] &= mask;
+    }
+
+    return this.strip();
+  };
+
+  // Return only lowers bits of number
+  BN.prototype.maskn = function maskn (bits) {
+    return this.clone().imaskn(bits);
+  };
+
+  // Add plain number `num` to `this`
+  BN.prototype.iaddn = function iaddn (num) {
+    assert(typeof num === 'number');
+    assert(num < 0x4000000);
+    if (num < 0) return this.isubn(-num);
+
+    // Possible sign change
+    if (this.negative !== 0) {
+      if (this.length === 1 && (this.words[0] | 0) < num) {
+        this.words[0] = num - (this.words[0] | 0);
+        this.negative = 0;
+        return this;
+      }
+
+      this.negative = 0;
+      this.isubn(num);
+      this.negative = 1;
+      return this;
+    }
+
+    // Add without checks
+    return this._iaddn(num);
+  };
+
+  BN.prototype._iaddn = function _iaddn (num) {
+    this.words[0] += num;
+
+    // Carry
+    for (var i = 0; i < this.length && this.words[i] >= 0x4000000; i++) {
+      this.words[i] -= 0x4000000;
+      if (i === this.length - 1) {
+        this.words[i + 1] = 1;
+      } else {
+        this.words[i + 1]++;
+      }
+    }
+    this.length = Math.max(this.length, i + 1);
+
+    return this;
+  };
+
+  // Subtract plain number `num` from `this`
+  BN.prototype.isubn = function isubn (num) {
+    assert(typeof num === 'number');
+    assert(num < 0x4000000);
+    if (num < 0) return this.iaddn(-num);
+
+    if (this.negative !== 0) {
+      this.negative = 0;
+      this.iaddn(num);
+      this.negative = 1;
+      return this;
+    }
+
+    this.words[0] -= num;
+
+    if (this.length === 1 && this.words[0] < 0) {
+      this.words[0] = -this.words[0];
+      this.negative = 1;
+    } else {
+      // Carry
+      for (var i = 0; i < this.length && this.words[i] < 0; i++) {
+        this.words[i] += 0x4000000;
+        this.words[i + 1] -= 1;
+      }
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.addn = function addn (num) {
+    return this.clone().iaddn(num);
+  };
+
+  BN.prototype.subn = function subn (num) {
+    return this.clone().isubn(num);
+  };
+
+  BN.prototype.iabs = function iabs () {
+    this.negative = 0;
+
+    return this;
+  };
+
+  BN.prototype.abs = function abs () {
+    return this.clone().iabs();
+  };
+
+  BN.prototype._ishlnsubmul = function _ishlnsubmul (num, mul, shift) {
+    var len = num.length + shift;
+    var i;
+
+    this._expand(len);
+
+    var w;
+    var carry = 0;
+    for (i = 0; i < num.length; i++) {
+      w = (this.words[i + shift] | 0) + carry;
+      var right = (num.words[i] | 0) * mul;
+      w -= right & 0x3ffffff;
+      carry = (w >> 26) - ((right / 0x4000000) | 0);
+      this.words[i + shift] = w & 0x3ffffff;
+    }
+    for (; i < this.length - shift; i++) {
+      w = (this.words[i + shift] | 0) + carry;
+      carry = w >> 26;
+      this.words[i + shift] = w & 0x3ffffff;
+    }
+
+    if (carry === 0) return this.strip();
+
+    // Subtraction overflow
+    assert(carry === -1);
+    carry = 0;
+    for (i = 0; i < this.length; i++) {
+      w = -(this.words[i] | 0) + carry;
+      carry = w >> 26;
+      this.words[i] = w & 0x3ffffff;
+    }
+    this.negative = 1;
+
+    return this.strip();
+  };
+
+  BN.prototype._wordDiv = function _wordDiv (num, mode) {
+    var shift = this.length - num.length;
+
+    var a = this.clone();
+    var b = num;
+
+    // Normalize
+    var bhi = b.words[b.length - 1] | 0;
+    var bhiBits = this._countBits(bhi);
+    shift = 26 - bhiBits;
+    if (shift !== 0) {
+      b = b.ushln(shift);
+      a.iushln(shift);
+      bhi = b.words[b.length - 1] | 0;
+    }
+
+    // Initialize quotient
+    var m = a.length - b.length;
+    var q;
+
+    if (mode !== 'mod') {
+      q = new BN(null);
+      q.length = m + 1;
+      q.words = new Array(q.length);
+      for (var i = 0; i < q.length; i++) {
+        q.words[i] = 0;
+      }
+    }
+
+    var diff = a.clone()._ishlnsubmul(b, 1, m);
+    if (diff.negative === 0) {
+      a = diff;
+      if (q) {
+        q.words[m] = 1;
+      }
+    }
+
+    for (var j = m - 1; j >= 0; j--) {
+      var qj = (a.words[b.length + j] | 0) * 0x4000000 +
+        (a.words[b.length + j - 1] | 0);
+
+      // NOTE: (qj / bhi) is (0x3ffffff * 0x4000000 + 0x3ffffff) / 0x2000000 max
+      // (0x7ffffff)
+      qj = Math.min((qj / bhi) | 0, 0x3ffffff);
+
+      a._ishlnsubmul(b, qj, j);
+      while (a.negative !== 0) {
+        qj--;
+        a.negative = 0;
+        a._ishlnsubmul(b, 1, j);
+        if (!a.isZero()) {
+          a.negative ^= 1;
+        }
+      }
+      if (q) {
+        q.words[j] = qj;
+      }
+    }
+    if (q) {
+      q.strip();
+    }
+    a.strip();
+
+    // Denormalize
+    if (mode !== 'div' && shift !== 0) {
+      a.iushrn(shift);
+    }
+
+    return {
+      div: q || null,
+      mod: a
+    };
+  };
+
+  // NOTE: 1) `mode` can be set to `mod` to request mod only,
+  //       to `div` to request div only, or be absent to
+  //       request both div & mod
+  //       2) `positive` is true if unsigned mod is requested
+  BN.prototype.divmod = function divmod (num, mode, positive) {
+    assert(!num.isZero());
+
+    if (this.isZero()) {
+      return {
+        div: new BN(0),
+        mod: new BN(0)
+      };
+    }
+
+    var div, mod, res;
+    if (this.negative !== 0 && num.negative === 0) {
+      res = this.neg().divmod(num, mode);
+
+      if (mode !== 'mod') {
+        div = res.div.neg();
+      }
+
+      if (mode !== 'div') {
+        mod = res.mod.neg();
+        if (positive && mod.negative !== 0) {
+          mod.iadd(num);
+        }
+      }
+
+      return {
+        div: div,
+        mod: mod
+      };
+    }
+
+    if (this.negative === 0 && num.negative !== 0) {
+      res = this.divmod(num.neg(), mode);
+
+      if (mode !== 'mod') {
+        div = res.div.neg();
+      }
+
+      return {
+        div: div,
+        mod: res.mod
+      };
+    }
+
+    if ((this.negative & num.negative) !== 0) {
+      res = this.neg().divmod(num.neg(), mode);
+
+      if (mode !== 'div') {
+        mod = res.mod.neg();
+        if (positive && mod.negative !== 0) {
+          mod.isub(num);
+        }
+      }
+
+      return {
+        div: res.div,
+        mod: mod
+      };
+    }
+
+    // Both numbers are positive at this point
+
+    // Strip both numbers to approximate shift value
+    if (num.length > this.length || this.cmp(num) < 0) {
+      return {
+        div: new BN(0),
+        mod: this
+      };
+    }
+
+    // Very short reduction
+    if (num.length === 1) {
+      if (mode === 'div') {
+        return {
+          div: this.divn(num.words[0]),
+          mod: null
+        };
+      }
+
+      if (mode === 'mod') {
+        return {
+          div: null,
+          mod: new BN(this.modn(num.words[0]))
+        };
+      }
+
+      return {
+        div: this.divn(num.words[0]),
+        mod: new BN(this.modn(num.words[0]))
+      };
+    }
+
+    return this._wordDiv(num, mode);
+  };
+
+  // Find `this` / `num`
+  BN.prototype.div = function div (num) {
+    return this.divmod(num, 'div', false).div;
+  };
+
+  // Find `this` % `num`
+  BN.prototype.mod = function mod (num) {
+    return this.divmod(num, 'mod', false).mod;
+  };
+
+  BN.prototype.umod = function umod (num) {
+    return this.divmod(num, 'mod', true).mod;
+  };
+
+  // Find Round(`this` / `num`)
+  BN.prototype.divRound = function divRound (num) {
+    var dm = this.divmod(num);
+
+    // Fast case - exact division
+    if (dm.mod.isZero()) return dm.div;
+
+    var mod = dm.div.negative !== 0 ? dm.mod.isub(num) : dm.mod;
+
+    var half = num.ushrn(1);
+    var r2 = num.andln(1);
+    var cmp = mod.cmp(half);
+
+    // Round down
+    if (cmp < 0 || r2 === 1 && cmp === 0) return dm.div;
+
+    // Round up
+    return dm.div.negative !== 0 ? dm.div.isubn(1) : dm.div.iaddn(1);
+  };
+
+  BN.prototype.modn = function modn (num) {
+    assert(num <= 0x3ffffff);
+    var p = (1 << 26) % num;
+
+    var acc = 0;
+    for (var i = this.length - 1; i >= 0; i--) {
+      acc = (p * acc + (this.words[i] | 0)) % num;
+    }
+
+    return acc;
+  };
+
+  // In-place division by number
+  BN.prototype.idivn = function idivn (num) {
+    assert(num <= 0x3ffffff);
+
+    var carry = 0;
+    for (var i = this.length - 1; i >= 0; i--) {
+      var w = (this.words[i] | 0) + carry * 0x4000000;
+      this.words[i] = (w / num) | 0;
+      carry = w % num;
+    }
+
+    return this.strip();
+  };
+
+  BN.prototype.divn = function divn (num) {
+    return this.clone().idivn(num);
+  };
+
+  BN.prototype.egcd = function egcd (p) {
+    assert(p.negative === 0);
+    assert(!p.isZero());
+
+    var x = this;
+    var y = p.clone();
+
+    if (x.negative !== 0) {
+      x = x.umod(p);
+    } else {
+      x = x.clone();
+    }
+
+    // A * x + B * y = x
+    var A = new BN(1);
+    var B = new BN(0);
+
+    // C * x + D * y = y
+    var C = new BN(0);
+    var D = new BN(1);
+
+    var g = 0;
+
+    while (x.isEven() && y.isEven()) {
+      x.iushrn(1);
+      y.iushrn(1);
+      ++g;
+    }
+
+    var yp = y.clone();
+    var xp = x.clone();
+
+    while (!x.isZero()) {
+      for (var i = 0, im = 1; (x.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
+      if (i > 0) {
+        x.iushrn(i);
+        while (i-- > 0) {
+          if (A.isOdd() || B.isOdd()) {
+            A.iadd(yp);
+            B.isub(xp);
+          }
+
+          A.iushrn(1);
+          B.iushrn(1);
+        }
+      }
+
+      for (var j = 0, jm = 1; (y.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
+      if (j > 0) {
+        y.iushrn(j);
+        while (j-- > 0) {
+          if (C.isOdd() || D.isOdd()) {
+            C.iadd(yp);
+            D.isub(xp);
+          }
+
+          C.iushrn(1);
+          D.iushrn(1);
+        }
+      }
+
+      if (x.cmp(y) >= 0) {
+        x.isub(y);
+        A.isub(C);
+        B.isub(D);
+      } else {
+        y.isub(x);
+        C.isub(A);
+        D.isub(B);
+      }
+    }
+
+    return {
+      a: C,
+      b: D,
+      gcd: y.iushln(g)
+    };
+  };
+
+  // This is reduced incarnation of the binary EEA
+  // above, designated to invert members of the
+  // _prime_ fields F(p) at a maximal speed
+  BN.prototype._invmp = function _invmp (p) {
+    assert(p.negative === 0);
+    assert(!p.isZero());
+
+    var a = this;
+    var b = p.clone();
+
+    if (a.negative !== 0) {
+      a = a.umod(p);
+    } else {
+      a = a.clone();
+    }
+
+    var x1 = new BN(1);
+    var x2 = new BN(0);
+
+    var delta = b.clone();
+
+    while (a.cmpn(1) > 0 && b.cmpn(1) > 0) {
+      for (var i = 0, im = 1; (a.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
+      if (i > 0) {
+        a.iushrn(i);
+        while (i-- > 0) {
+          if (x1.isOdd()) {
+            x1.iadd(delta);
+          }
+
+          x1.iushrn(1);
+        }
+      }
+
+      for (var j = 0, jm = 1; (b.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
+      if (j > 0) {
+        b.iushrn(j);
+        while (j-- > 0) {
+          if (x2.isOdd()) {
+            x2.iadd(delta);
+          }
+
+          x2.iushrn(1);
+        }
+      }
+
+      if (a.cmp(b) >= 0) {
+        a.isub(b);
+        x1.isub(x2);
+      } else {
+        b.isub(a);
+        x2.isub(x1);
+      }
+    }
+
+    var res;
+    if (a.cmpn(1) === 0) {
+      res = x1;
+    } else {
+      res = x2;
+    }
+
+    if (res.cmpn(0) < 0) {
+      res.iadd(p);
+    }
+
+    return res;
+  };
+
+  BN.prototype.gcd = function gcd (num) {
+    if (this.isZero()) return num.abs();
+    if (num.isZero()) return this.abs();
+
+    var a = this.clone();
+    var b = num.clone();
+    a.negative = 0;
+    b.negative = 0;
+
+    // Remove common factor of two
+    for (var shift = 0; a.isEven() && b.isEven(); shift++) {
+      a.iushrn(1);
+      b.iushrn(1);
+    }
+
+    do {
+      while (a.isEven()) {
+        a.iushrn(1);
+      }
+      while (b.isEven()) {
+        b.iushrn(1);
+      }
+
+      var r = a.cmp(b);
+      if (r < 0) {
+        // Swap `a` and `b` to make `a` always bigger than `b`
+        var t = a;
+        a = b;
+        b = t;
+      } else if (r === 0 || b.cmpn(1) === 0) {
+        break;
+      }
+
+      a.isub(b);
+    } while (true);
+
+    return b.iushln(shift);
+  };
+
+  // Invert number in the field F(num)
+  BN.prototype.invm = function invm (num) {
+    return this.egcd(num).a.umod(num);
+  };
+
+  BN.prototype.isEven = function isEven () {
+    return (this.words[0] & 1) === 0;
+  };
+
+  BN.prototype.isOdd = function isOdd () {
+    return (this.words[0] & 1) === 1;
+  };
+
+  // And first word and num
+  BN.prototype.andln = function andln (num) {
+    return this.words[0] & num;
+  };
+
+  // Increment at the bit position in-line
+  BN.prototype.bincn = function bincn (bit) {
+    assert(typeof bit === 'number');
+    var r = bit % 26;
+    var s = (bit - r) / 26;
+    var q = 1 << r;
+
+    // Fast case: bit is much higher than all existing words
+    if (this.length <= s) {
+      this._expand(s + 1);
+      this.words[s] |= q;
+      return this;
+    }
+
+    // Add bit and propagate, if needed
+    var carry = q;
+    for (var i = s; carry !== 0 && i < this.length; i++) {
+      var w = this.words[i] | 0;
+      w += carry;
+      carry = w >>> 26;
+      w &= 0x3ffffff;
+      this.words[i] = w;
+    }
+    if (carry !== 0) {
+      this.words[i] = carry;
+      this.length++;
+    }
+    return this;
+  };
+
+  BN.prototype.isZero = function isZero () {
+    return this.length === 1 && this.words[0] === 0;
+  };
+
+  BN.prototype.cmpn = function cmpn (num) {
+    var negative = num < 0;
+
+    if (this.negative !== 0 && !negative) return -1;
+    if (this.negative === 0 && negative) return 1;
+
+    this.strip();
+
+    var res;
+    if (this.length > 1) {
+      res = 1;
+    } else {
+      if (negative) {
+        num = -num;
+      }
+
+      assert(num <= 0x3ffffff, 'Number is too big');
+
+      var w = this.words[0] | 0;
+      res = w === num ? 0 : w < num ? -1 : 1;
+    }
+    if (this.negative !== 0) return -res | 0;
+    return res;
+  };
+
+  // Compare two numbers and return:
+  // 1 - if `this` > `num`
+  // 0 - if `this` == `num`
+  // -1 - if `this` < `num`
+  BN.prototype.cmp = function cmp (num) {
+    if (this.negative !== 0 && num.negative === 0) return -1;
+    if (this.negative === 0 && num.negative !== 0) return 1;
+
+    var res = this.ucmp(num);
+    if (this.negative !== 0) return -res | 0;
+    return res;
+  };
+
+  // Unsigned comparison
+  BN.prototype.ucmp = function ucmp (num) {
+    // At this point both numbers have the same sign
+    if (this.length > num.length) return 1;
+    if (this.length < num.length) return -1;
+
+    var res = 0;
+    for (var i = this.length - 1; i >= 0; i--) {
+      var a = this.words[i] | 0;
+      var b = num.words[i] | 0;
+
+      if (a === b) continue;
+      if (a < b) {
+        res = -1;
+      } else if (a > b) {
+        res = 1;
+      }
+      break;
+    }
+    return res;
+  };
+
+  BN.prototype.gtn = function gtn (num) {
+    return this.cmpn(num) === 1;
+  };
+
+  BN.prototype.gt = function gt (num) {
+    return this.cmp(num) === 1;
+  };
+
+  BN.prototype.gten = function gten (num) {
+    return this.cmpn(num) >= 0;
+  };
+
+  BN.prototype.gte = function gte (num) {
+    return this.cmp(num) >= 0;
+  };
+
+  BN.prototype.ltn = function ltn (num) {
+    return this.cmpn(num) === -1;
+  };
+
+  BN.prototype.lt = function lt (num) {
+    return this.cmp(num) === -1;
+  };
+
+  BN.prototype.lten = function lten (num) {
+    return this.cmpn(num) <= 0;
+  };
+
+  BN.prototype.lte = function lte (num) {
+    return this.cmp(num) <= 0;
+  };
+
+  BN.prototype.eqn = function eqn (num) {
+    return this.cmpn(num) === 0;
+  };
+
+  BN.prototype.eq = function eq (num) {
+    return this.cmp(num) === 0;
+  };
+
+  //
+  // A reduce context, could be using montgomery or something better, depending
+  // on the `m` itself.
+  //
+  BN.red = function red (num) {
+    return new Red(num);
+  };
+
+  BN.prototype.toRed = function toRed (ctx) {
+    assert(!this.red, 'Already a number in reduction context');
+    assert(this.negative === 0, 'red works only with positives');
+    return ctx.convertTo(this)._forceRed(ctx);
+  };
+
+  BN.prototype.fromRed = function fromRed () {
+    assert(this.red, 'fromRed works only with numbers in reduction context');
+    return this.red.convertFrom(this);
+  };
+
+  BN.prototype._forceRed = function _forceRed (ctx) {
+    this.red = ctx;
+    return this;
+  };
+
+  BN.prototype.forceRed = function forceRed (ctx) {
+    assert(!this.red, 'Already a number in reduction context');
+    return this._forceRed(ctx);
+  };
+
+  BN.prototype.redAdd = function redAdd (num) {
+    assert(this.red, 'redAdd works only with red numbers');
+    return this.red.add(this, num);
+  };
+
+  BN.prototype.redIAdd = function redIAdd (num) {
+    assert(this.red, 'redIAdd works only with red numbers');
+    return this.red.iadd(this, num);
+  };
+
+  BN.prototype.redSub = function redSub (num) {
+    assert(this.red, 'redSub works only with red numbers');
+    return this.red.sub(this, num);
+  };
+
+  BN.prototype.redISub = function redISub (num) {
+    assert(this.red, 'redISub works only with red numbers');
+    return this.red.isub(this, num);
+  };
+
+  BN.prototype.redShl = function redShl (num) {
+    assert(this.red, 'redShl works only with red numbers');
+    return this.red.shl(this, num);
+  };
+
+  BN.prototype.redMul = function redMul (num) {
+    assert(this.red, 'redMul works only with red numbers');
+    this.red._verify2(this, num);
+    return this.red.mul(this, num);
+  };
+
+  BN.prototype.redIMul = function redIMul (num) {
+    assert(this.red, 'redMul works only with red numbers');
+    this.red._verify2(this, num);
+    return this.red.imul(this, num);
+  };
+
+  BN.prototype.redSqr = function redSqr () {
+    assert(this.red, 'redSqr works only with red numbers');
+    this.red._verify1(this);
+    return this.red.sqr(this);
+  };
+
+  BN.prototype.redISqr = function redISqr () {
+    assert(this.red, 'redISqr works only with red numbers');
+    this.red._verify1(this);
+    return this.red.isqr(this);
+  };
+
+  // Square root over p
+  BN.prototype.redSqrt = function redSqrt () {
+    assert(this.red, 'redSqrt works only with red numbers');
+    this.red._verify1(this);
+    return this.red.sqrt(this);
+  };
+
+  BN.prototype.redInvm = function redInvm () {
+    assert(this.red, 'redInvm works only with red numbers');
+    this.red._verify1(this);
+    return this.red.invm(this);
+  };
+
+  // Return negative clone of `this` % `red modulo`
+  BN.prototype.redNeg = function redNeg () {
+    assert(this.red, 'redNeg works only with red numbers');
+    this.red._verify1(this);
+    return this.red.neg(this);
+  };
+
+  BN.prototype.redPow = function redPow (num) {
+    assert(this.red && !num.red, 'redPow(normalNum)');
+    this.red._verify1(this);
+    return this.red.pow(this, num);
+  };
+
+  // Prime numbers with efficient reduction
+  var primes = {
+    k256: null,
+    p224: null,
+    p192: null,
+    p25519: null
+  };
+
+  // Pseudo-Mersenne prime
+  function MPrime (name, p) {
+    // P = 2 ^ N - K
+    this.name = name;
+    this.p = new BN(p, 16);
+    this.n = this.p.bitLength();
+    this.k = new BN(1).iushln(this.n).isub(this.p);
+
+    this.tmp = this._tmp();
+  }
+
+  MPrime.prototype._tmp = function _tmp () {
+    var tmp = new BN(null);
+    tmp.words = new Array(Math.ceil(this.n / 13));
+    return tmp;
+  };
+
+  MPrime.prototype.ireduce = function ireduce (num) {
+    // Assumes that `num` is less than `P^2`
+    // num = HI * (2 ^ N - K) + HI * K + LO = HI * K + LO (mod P)
+    var r = num;
+    var rlen;
+
+    do {
+      this.split(r, this.tmp);
+      r = this.imulK(r);
+      r = r.iadd(this.tmp);
+      rlen = r.bitLength();
+    } while (rlen > this.n);
+
+    var cmp = rlen < this.n ? -1 : r.ucmp(this.p);
+    if (cmp === 0) {
+      r.words[0] = 0;
+      r.length = 1;
+    } else if (cmp > 0) {
+      r.isub(this.p);
+    } else {
+      r.strip();
+    }
+
+    return r;
+  };
+
+  MPrime.prototype.split = function split (input, out) {
+    input.iushrn(this.n, 0, out);
+  };
+
+  MPrime.prototype.imulK = function imulK (num) {
+    return num.imul(this.k);
+  };
+
+  function K256 () {
+    MPrime.call(
+      this,
+      'k256',
+      'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f');
+  }
+  inherits(K256, MPrime);
+
+  K256.prototype.split = function split (input, output) {
+    // 256 = 9 * 26 + 22
+    var mask = 0x3fffff;
+
+    var outLen = Math.min(input.length, 9);
+    for (var i = 0; i < outLen; i++) {
+      output.words[i] = input.words[i];
+    }
+    output.length = outLen;
+
+    if (input.length <= 9) {
+      input.words[0] = 0;
+      input.length = 1;
+      return;
+    }
+
+    // Shift by 9 limbs
+    var prev = input.words[9];
+    output.words[output.length++] = prev & mask;
+
+    for (i = 10; i < input.length; i++) {
+      var next = input.words[i] | 0;
+      input.words[i - 10] = ((next & mask) << 4) | (prev >>> 22);
+      prev = next;
+    }
+    prev >>>= 22;
+    input.words[i - 10] = prev;
+    if (prev === 0 && input.length > 10) {
+      input.length -= 10;
+    } else {
+      input.length -= 9;
+    }
+  };
+
+  K256.prototype.imulK = function imulK (num) {
+    // K = 0x1000003d1 = [ 0x40, 0x3d1 ]
+    num.words[num.length] = 0;
+    num.words[num.length + 1] = 0;
+    num.length += 2;
+
+    // bounded at: 0x40 * 0x3ffffff + 0x3d0 = 0x100000390
+    var lo = 0;
+    for (var i = 0; i < num.length; i++) {
+      var w = num.words[i] | 0;
+      lo += w * 0x3d1;
+      num.words[i] = lo & 0x3ffffff;
+      lo = w * 0x40 + ((lo / 0x4000000) | 0);
+    }
+
+    // Fast length reduction
+    if (num.words[num.length - 1] === 0) {
+      num.length--;
+      if (num.words[num.length - 1] === 0) {
+        num.length--;
+      }
+    }
+    return num;
+  };
+
+  function P224 () {
+    MPrime.call(
+      this,
+      'p224',
+      'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001');
+  }
+  inherits(P224, MPrime);
+
+  function P192 () {
+    MPrime.call(
+      this,
+      'p192',
+      'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff');
+  }
+  inherits(P192, MPrime);
+
+  function P25519 () {
+    // 2 ^ 255 - 19
+    MPrime.call(
+      this,
+      '25519',
+      '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed');
+  }
+  inherits(P25519, MPrime);
+
+  P25519.prototype.imulK = function imulK (num) {
+    // K = 0x13
+    var carry = 0;
+    for (var i = 0; i < num.length; i++) {
+      var hi = (num.words[i] | 0) * 0x13 + carry;
+      var lo = hi & 0x3ffffff;
+      hi >>>= 26;
+
+      num.words[i] = lo;
+      carry = hi;
+    }
+    if (carry !== 0) {
+      num.words[num.length++] = carry;
+    }
+    return num;
+  };
+
+  // Exported mostly for testing purposes, use plain name instead
+  BN._prime = function prime (name) {
+    // Cached version of prime
+    if (primes[name]) return primes[name];
+
+    var prime;
+    if (name === 'k256') {
+      prime = new K256();
+    } else if (name === 'p224') {
+      prime = new P224();
+    } else if (name === 'p192') {
+      prime = new P192();
+    } else if (name === 'p25519') {
+      prime = new P25519();
+    } else {
+      throw new Error('Unknown prime ' + name);
+    }
+    primes[name] = prime;
+
+    return prime;
+  };
+
+  //
+  // Base reduction engine
+  //
+  function Red (m) {
+    if (typeof m === 'string') {
+      var prime = BN._prime(m);
+      this.m = prime.p;
+      this.prime = prime;
+    } else {
+      assert(m.gtn(1), 'modulus must be greater than 1');
+      this.m = m;
+      this.prime = null;
+    }
+  }
+
+  Red.prototype._verify1 = function _verify1 (a) {
+    assert(a.negative === 0, 'red works only with positives');
+    assert(a.red, 'red works only with red numbers');
+  };
+
+  Red.prototype._verify2 = function _verify2 (a, b) {
+    assert((a.negative | b.negative) === 0, 'red works only with positives');
+    assert(a.red && a.red === b.red,
+      'red works only with red numbers');
+  };
+
+  Red.prototype.imod = function imod (a) {
+    if (this.prime) return this.prime.ireduce(a)._forceRed(this);
+    return a.umod(this.m)._forceRed(this);
+  };
+
+  Red.prototype.neg = function neg (a) {
+    if (a.isZero()) {
+      return a.clone();
+    }
+
+    return this.m.sub(a)._forceRed(this);
+  };
+
+  Red.prototype.add = function add (a, b) {
+    this._verify2(a, b);
+
+    var res = a.add(b);
+    if (res.cmp(this.m) >= 0) {
+      res.isub(this.m);
+    }
+    return res._forceRed(this);
+  };
+
+  Red.prototype.iadd = function iadd (a, b) {
+    this._verify2(a, b);
+
+    var res = a.iadd(b);
+    if (res.cmp(this.m) >= 0) {
+      res.isub(this.m);
+    }
+    return res;
+  };
+
+  Red.prototype.sub = function sub (a, b) {
+    this._verify2(a, b);
+
+    var res = a.sub(b);
+    if (res.cmpn(0) < 0) {
+      res.iadd(this.m);
+    }
+    return res._forceRed(this);
+  };
+
+  Red.prototype.isub = function isub (a, b) {
+    this._verify2(a, b);
+
+    var res = a.isub(b);
+    if (res.cmpn(0) < 0) {
+      res.iadd(this.m);
+    }
+    return res;
+  };
+
+  Red.prototype.shl = function shl (a, num) {
+    this._verify1(a);
+    return this.imod(a.ushln(num));
+  };
+
+  Red.prototype.imul = function imul (a, b) {
+    this._verify2(a, b);
+    return this.imod(a.imul(b));
+  };
+
+  Red.prototype.mul = function mul (a, b) {
+    this._verify2(a, b);
+    return this.imod(a.mul(b));
+  };
+
+  Red.prototype.isqr = function isqr (a) {
+    return this.imul(a, a.clone());
+  };
+
+  Red.prototype.sqr = function sqr (a) {
+    return this.mul(a, a);
+  };
+
+  Red.prototype.sqrt = function sqrt (a) {
+    if (a.isZero()) return a.clone();
+
+    var mod3 = this.m.andln(3);
+    assert(mod3 % 2 === 1);
+
+    // Fast case
+    if (mod3 === 3) {
+      var pow = this.m.add(new BN(1)).iushrn(2);
+      return this.pow(a, pow);
+    }
+
+    // Tonelli-Shanks algorithm (Totally unoptimized and slow)
+    //
+    // Find Q and S, that Q * 2 ^ S = (P - 1)
+    var q = this.m.subn(1);
+    var s = 0;
+    while (!q.isZero() && q.andln(1) === 0) {
+      s++;
+      q.iushrn(1);
+    }
+    assert(!q.isZero());
+
+    var one = new BN(1).toRed(this);
+    var nOne = one.redNeg();
+
+    // Find quadratic non-residue
+    // NOTE: Max is such because of generalized Riemann hypothesis.
+    var lpow = this.m.subn(1).iushrn(1);
+    var z = this.m.bitLength();
+    z = new BN(2 * z * z).toRed(this);
+
+    while (this.pow(z, lpow).cmp(nOne) !== 0) {
+      z.redIAdd(nOne);
+    }
+
+    var c = this.pow(z, q);
+    var r = this.pow(a, q.addn(1).iushrn(1));
+    var t = this.pow(a, q);
+    var m = s;
+    while (t.cmp(one) !== 0) {
+      var tmp = t;
+      for (var i = 0; tmp.cmp(one) !== 0; i++) {
+        tmp = tmp.redSqr();
+      }
+      assert(i < m);
+      var b = this.pow(c, new BN(1).iushln(m - i - 1));
+
+      r = r.redMul(b);
+      c = b.redSqr();
+      t = t.redMul(c);
+      m = i;
+    }
+
+    return r;
+  };
+
+  Red.prototype.invm = function invm (a) {
+    var inv = a._invmp(this.m);
+    if (inv.negative !== 0) {
+      inv.negative = 0;
+      return this.imod(inv).redNeg();
+    } else {
+      return this.imod(inv);
+    }
+  };
+
+  Red.prototype.pow = function pow (a, num) {
+    if (num.isZero()) return new BN(1).toRed(this);
+    if (num.cmpn(1) === 0) return a.clone();
+
+    var windowSize = 4;
+    var wnd = new Array(1 << windowSize);
+    wnd[0] = new BN(1).toRed(this);
+    wnd[1] = a;
+    for (var i = 2; i < wnd.length; i++) {
+      wnd[i] = this.mul(wnd[i - 1], a);
+    }
+
+    var res = wnd[0];
+    var current = 0;
+    var currentLen = 0;
+    var start = num.bitLength() % 26;
+    if (start === 0) {
+      start = 26;
+    }
+
+    for (i = num.length - 1; i >= 0; i--) {
+      var word = num.words[i];
+      for (var j = start - 1; j >= 0; j--) {
+        var bit = (word >> j) & 1;
+        if (res !== wnd[0]) {
+          res = this.sqr(res);
+        }
+
+        if (bit === 0 && current === 0) {
+          currentLen = 0;
+          continue;
+        }
+
+        current <<= 1;
+        current |= bit;
+        currentLen++;
+        if (currentLen !== windowSize && (i !== 0 || j !== 0)) continue;
+
+        res = this.mul(res, wnd[current]);
+        currentLen = 0;
+        current = 0;
+      }
+      start = 26;
+    }
+
+    return res;
+  };
+
+  Red.prototype.convertTo = function convertTo (num) {
+    var r = num.umod(this.m);
+
+    return r === num ? r.clone() : r;
+  };
+
+  Red.prototype.convertFrom = function convertFrom (num) {
+    var res = num.clone();
+    res.red = null;
+    return res;
+  };
+
+  //
+  // Montgomery method engine
+  //
+
+  BN.mont = function mont (num) {
+    return new Mont(num);
+  };
+
+  function Mont (m) {
+    Red.call(this, m);
+
+    this.shift = this.m.bitLength();
+    if (this.shift % 26 !== 0) {
+      this.shift += 26 - (this.shift % 26);
+    }
+
+    this.r = new BN(1).iushln(this.shift);
+    this.r2 = this.imod(this.r.sqr());
+    this.rinv = this.r._invmp(this.m);
+
+    this.minv = this.rinv.mul(this.r).isubn(1).div(this.m);
+    this.minv = this.minv.umod(this.r);
+    this.minv = this.r.sub(this.minv);
+  }
+  inherits(Mont, Red);
+
+  Mont.prototype.convertTo = function convertTo (num) {
+    return this.imod(num.ushln(this.shift));
+  };
+
+  Mont.prototype.convertFrom = function convertFrom (num) {
+    var r = this.imod(num.mul(this.rinv));
+    r.red = null;
+    return r;
+  };
+
+  Mont.prototype.imul = function imul (a, b) {
+    if (a.isZero() || b.isZero()) {
+      a.words[0] = 0;
+      a.length = 1;
+      return a;
+    }
+
+    var t = a.imul(b);
+    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
+    var u = t.isub(c).iushrn(this.shift);
+    var res = u;
+
+    if (u.cmp(this.m) >= 0) {
+      res = u.isub(this.m);
+    } else if (u.cmpn(0) < 0) {
+      res = u.iadd(this.m);
+    }
+
+    return res._forceRed(this);
+  };
+
+  Mont.prototype.mul = function mul (a, b) {
+    if (a.isZero() || b.isZero()) return new BN(0)._forceRed(this);
+
+    var t = a.mul(b);
+    var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
+    var u = t.isub(c).iushrn(this.shift);
+    var res = u;
+    if (u.cmp(this.m) >= 0) {
+      res = u.isub(this.m);
+    } else if (u.cmpn(0) < 0) {
+      res = u.iadd(this.m);
+    }
+
+    return res._forceRed(this);
+  };
+
+  Mont.prototype.invm = function invm (a) {
+    // (AR)^-1 * R^2 = (A^-1 * R^-1) * R^2 = A^-1 * R
+    var res = this.imod(a._invmp(this.m).mul(this.r2));
+    return res._forceRed(this);
+  };
+})(typeof module === 'undefined' || module, this);
+
+},{"buffer":21}],16:[function(require,module,exports){
+(function (global){
+'use strict';
+
+// compare and isBuffer taken from https://github.com/feross/buffer/blob/680e9e5e488f22aac27599a57dc844a6315928dd/index.js
+// original notice:
+
+/*!
+ * The buffer module from node.js, for the browser.
+ *
+ * @author   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
+ * @license  MIT
+ */
+function compare(a, b) {
+  if (a === b) {
+    return 0;
+  }
+
+  var x = a.length;
+  var y = b.length;
+
+  for (var i = 0, len = Math.min(x, y); i < len; ++i) {
+    if (a[i] !== b[i]) {
+      x = a[i];
+      y = b[i];
+      break;
+    }
+  }
+
+  if (x < y) {
+    return -1;
+  }
+  if (y < x) {
+    return 1;
+  }
+  return 0;
+}
+function isBuffer(b) {
+  if (global.Buffer && typeof global.Buffer.isBuffer === 'function') {
+    return global.Buffer.isBuffer(b);
+  }
+  return !!(b != null && b._isBuffer);
+}
+
+// based on node assert, original notice:
+
+// http://wiki.commonjs.org/wiki/Unit_Testing/1.0
+//
+// THIS IS NOT TESTED NOR LIKELY TO WORK OUTSIDE V8!
+//
+// Originally from narwhal.js (http://narwhaljs.org)
+// Copyright (c) 2009 Thomas Robinson <280north.com>
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the 'Software'), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var util = require('util/');
+var hasOwn = Object.prototype.hasOwnProperty;
+var pSlice = Array.prototype.slice;
+var functionsHaveNames = (function () {
+  return function foo() {}.name === 'foo';
+}());
+function pToString (obj) {
+  return Object.prototype.toString.call(obj);
+}
+function isView(arrbuf) {
+  if (isBuffer(arrbuf)) {
+    return false;
+  }
+  if (typeof global.ArrayBuffer !== 'function') {
+    return false;
+  }
+  if (typeof ArrayBuffer.isView === 'function') {
+    return ArrayBuffer.isView(arrbuf);
+  }
+  if (!arrbuf) {
+    return false;
+  }
+  if (arrbuf instanceof DataView) {
+    return true;
+  }
+  if (arrbuf.buffer && arrbuf.buffer instanceof ArrayBuffer) {
+    return true;
+  }
+  return false;
+}
+// 1. The assert module provides functions that throw
+// AssertionError's when particular conditions are not met. The
+// assert module must conform to the following interface.
+
+var assert = module.exports = ok;
+
+// 2. The AssertionError is defined in assert.
+// new assert.AssertionError({ message: message,
+//                             actual: actual,
+//                             expected: expected })
+
+var regex = /\s*function\s+([^\(\s]*)\s*/;
+// based on https://github.com/ljharb/function.prototype.name/blob/adeeeec8bfcc6068b187d7d9fb3d5bb1d3a30899/implementation.js
+function getName(func) {
+  if (!util.isFunction(func)) {
+    return;
+  }
+  if (functionsHaveNames) {
+    return func.name;
+  }
+  var str = func.toString();
+  var match = str.match(regex);
+  return match && match[1];
+}
+assert.AssertionError = function AssertionError(options) {
+  this.name = 'AssertionError';
+  this.actual = options.actual;
+  this.expected = options.expected;
+  this.operator = options.operator;
+  if (options.message) {
+    this.message = options.message;
+    this.generatedMessage = false;
+  } else {
+    this.message = getMessage(this);
+    this.generatedMessage = true;
+  }
+  var stackStartFunction = options.stackStartFunction || fail;
+  if (Error.captureStackTrace) {
+    Error.captureStackTrace(this, stackStartFunction);
+  } else {
+    // non v8 browsers so we can have a stacktrace
+    var err = new Error();
+    if (err.stack) {
+      var out = err.stack;
+
+      // try to strip useless frames
+      var fn_name = getName(stackStartFunction);
+      var idx = out.indexOf('\n' + fn_name);
+      if (idx >= 0) {
+        // once we have located the function frame
+        // we need to strip out everything before it (and its line)
+        var next_line = out.indexOf('\n', idx + 1);
+        out = out.substring(next_line + 1);
+      }
+
+      this.stack = out;
+    }
+  }
+};
+
+// assert.AssertionError instanceof Error
+util.inherits(assert.AssertionError, Error);
+
+function truncate(s, n) {
+  if (typeof s === 'string') {
+    return s.length < n ? s : s.slice(0, n);
+  } else {
+    return s;
+  }
+}
+function inspect(something) {
+  if (functionsHaveNames || !util.isFunction(something)) {
+    return util.inspect(something);
+  }
+  var rawname = getName(something);
+  var name = rawname ? ': ' + rawname : '';
+  return '[Function' +  name + ']';
+}
+function getMessage(self) {
+  return truncate(inspect(self.actual), 128) + ' ' +
+         self.operator + ' ' +
+         truncate(inspect(self.expected), 128);
+}
+
+// At present only the three keys mentioned above are used and
+// understood by the spec. Implementations or sub modules can pass
+// other keys to the AssertionError's constructor - they will be
+// ignored.
+
+// 3. All of the following functions must throw an AssertionError
+// when a corresponding condition is not met, with a message that
+// may be undefined if not provided.  All assertion methods provide
+// both the actual and expected values to the assertion error for
+// display purposes.
+
+function fail(actual, expected, message, operator, stackStartFunction) {
+  throw new assert.AssertionError({
+    message: message,
+    actual: actual,
+    expected: expected,
+    operator: operator,
+    stackStartFunction: stackStartFunction
+  });
+}
+
+// EXTENSION! allows for well behaved errors defined elsewhere.
+assert.fail = fail;
+
+// 4. Pure assertion tests whether a value is truthy, as determined
+// by !!guard.
+// assert.ok(guard, message_opt);
+// This statement is equivalent to assert.equal(true, !!guard,
+// message_opt);. To test strictly for the value true, use
+// assert.strictEqual(true, guard, message_opt);.
+
+function ok(value, message) {
+  if (!value) fail(value, true, message, '==', assert.ok);
+}
+assert.ok = ok;
+
+// 5. The equality assertion tests shallow, coercive equality with
+// ==.
+// assert.equal(actual, expected, message_opt);
+
+assert.equal = function equal(actual, expected, message) {
+  if (actual != expected) fail(actual, expected, message, '==', assert.equal);
+};
+
+// 6. The non-equality assertion tests for whether two objects are not equal
+// with != assert.notEqual(actual, expected, message_opt);
+
+assert.notEqual = function notEqual(actual, expected, message) {
+  if (actual == expected) {
+    fail(actual, expected, message, '!=', assert.notEqual);
+  }
+};
+
+// 7. The equivalence assertion tests a deep equality relation.
+// assert.deepEqual(actual, expected, message_opt);
+
+assert.deepEqual = function deepEqual(actual, expected, message) {
+  if (!_deepEqual(actual, expected, false)) {
+    fail(actual, expected, message, 'deepEqual', assert.deepEqual);
+  }
+};
+
+assert.deepStrictEqual = function deepStrictEqual(actual, expected, message) {
+  if (!_deepEqual(actual, expected, true)) {
+    fail(actual, expected, message, 'deepStrictEqual', assert.deepStrictEqual);
+  }
+};
+
+function _deepEqual(actual, expected, strict, memos) {
+  // 7.1. All identical values are equivalent, as determined by ===.
+  if (actual === expected) {
+    return true;
+  } else if (isBuffer(actual) && isBuffer(expected)) {
+    return compare(actual, expected) === 0;
+
+  // 7.2. If the expected value is a Date object, the actual value is
+  // equivalent if it is also a Date object that refers to the same time.
+  } else if (util.isDate(actual) && util.isDate(expected)) {
+    return actual.getTime() === expected.getTime();
+
+  // 7.3 If the expected value is a RegExp object, the actual value is
+  // equivalent if it is also a RegExp object with the same source and
+  // properties (`global`, `multiline`, `lastIndex`, `ignoreCase`).
+  } else if (util.isRegExp(actual) && util.isRegExp(expected)) {
+    return actual.source === expected.source &&
+           actual.global === expected.global &&
+           actual.multiline === expected.multiline &&
+           actual.lastIndex === expected.lastIndex &&
+           actual.ignoreCase === expected.ignoreCase;
+
+  // 7.4. Other pairs that do not both pass typeof value == 'object',
+  // equivalence is determined by ==.
+  } else if ((actual === null || typeof actual !== 'object') &&
+             (expected === null || typeof expected !== 'object')) {
+    return strict ? actual === expected : actual == expected;
+
+  // If both values are instances of typed arrays, wrap their underlying
+  // ArrayBuffers in a Buffer each to increase performance
+  // This optimization requires the arrays to have the same type as checked by
+  // Object.prototype.toString (aka pToString). Never perform binary
+  // comparisons for Float*Arrays, though, since e.g. +0 === -0 but their
+  // bit patterns are not identical.
+  } else if (isView(actual) && isView(expected) &&
+             pToString(actual) === pToString(expected) &&
+             !(actual instanceof Float32Array ||
+               actual instanceof Float64Array)) {
+    return compare(new Uint8Array(actual.buffer),
+                   new Uint8Array(expected.buffer)) === 0;
+
+  // 7.5 For all other Object pairs, including Array objects, equivalence is
+  // determined by having the same number of owned properties (as verified
+  // with Object.prototype.hasOwnProperty.call), the same set of keys
+  // (although not necessarily the same order), equivalent values for every
+  // corresponding key, and an identical 'prototype' property. Note: this
+  // accounts for both named and indexed properties on Arrays.
+  } else if (isBuffer(actual) !== isBuffer(expected)) {
+    return false;
+  } else {
+    memos = memos || {actual: [], expected: []};
+
+    var actualIndex = memos.actual.indexOf(actual);
+    if (actualIndex !== -1) {
+      if (actualIndex === memos.expected.indexOf(expected)) {
+        return true;
+      }
+    }
+
+    memos.actual.push(actual);
+    memos.expected.push(expected);
+
+    return objEquiv(actual, expected, strict, memos);
+  }
+}
+
+function isArguments(object) {
+  return Object.prototype.toString.call(object) == '[object Arguments]';
+}
+
+function objEquiv(a, b, strict, actualVisitedObjects) {
+  if (a === null || a === undefined || b === null || b === undefined)
+    return false;
+  // if one is a primitive, the other must be same
+  if (util.isPrimitive(a) || util.isPrimitive(b))
+    return a === b;
+  if (strict && Object.getPrototypeOf(a) !== Object.getPrototypeOf(b))
+    return false;
+  var aIsArgs = isArguments(a);
+  var bIsArgs = isArguments(b);
+  if ((aIsArgs && !bIsArgs) || (!aIsArgs && bIsArgs))
+    return false;
+  if (aIsArgs) {
+    a = pSlice.call(a);
+    b = pSlice.call(b);
+    return _deepEqual(a, b, strict);
+  }
+  var ka = objectKeys(a);
+  var kb = objectKeys(b);
+  var key, i;
+  // having the same number of owned properties (keys incorporates
+  // hasOwnProperty)
+  if (ka.length !== kb.length)
+    return false;
+  //the same set of keys (although not necessarily the same order),
+  ka.sort();
+  kb.sort();
+  //~~~cheap key test
+  for (i = ka.length - 1; i >= 0; i--) {
+    if (ka[i] !== kb[i])
+      return false;
+  }
+  //equivalent values for every corresponding key, and
+  //~~~possibly expensive deep test
+  for (i = ka.length - 1; i >= 0; i--) {
+    key = ka[i];
+    if (!_deepEqual(a[key], b[key], strict, actualVisitedObjects))
+      return false;
+  }
+  return true;
+}
+
+// 8. The non-equivalence assertion tests for any deep inequality.
+// assert.notDeepEqual(actual, expected, message_opt);
+
+assert.notDeepEqual = function notDeepEqual(actual, expected, message) {
+  if (_deepEqual(actual, expected, false)) {
+    fail(actual, expected, message, 'notDeepEqual', assert.notDeepEqual);
+  }
+};
+
+assert.notDeepStrictEqual = notDeepStrictEqual;
+function notDeepStrictEqual(actual, expected, message) {
+  if (_deepEqual(actual, expected, true)) {
+    fail(actual, expected, message, 'notDeepStrictEqual', notDeepStrictEqual);
+  }
+}
+
+
+// 9. The strict equality assertion tests strict equality, as determined by ===.
+// assert.strictEqual(actual, expected, message_opt);
+
+assert.strictEqual = function strictEqual(actual, expected, message) {
+  if (actual !== expected) {
+    fail(actual, expected, message, '===', assert.strictEqual);
+  }
+};
+
+// 10. The strict non-equality assertion tests for strict inequality, as
+// determined by !==.  assert.notStrictEqual(actual, expected, message_opt);
+
+assert.notStrictEqual = function notStrictEqual(actual, expected, message) {
+  if (actual === expected) {
+    fail(actual, expected, message, '!==', assert.notStrictEqual);
+  }
+};
+
+function expectedException(actual, expected) {
+  if (!actual || !expected) {
+    return false;
+  }
+
+  if (Object.prototype.toString.call(expected) == '[object RegExp]') {
+    return expected.test(actual);
+  }
+
+  try {
+    if (actual instanceof expected) {
+      return true;
+    }
+  } catch (e) {
+    // Ignore.  The instanceof check doesn't work for arrow functions.
+  }
+
+  if (Error.isPrototypeOf(expected)) {
+    return false;
+  }
+
+  return expected.call({}, actual) === true;
+}
+
+function _tryBlock(block) {
+  var error;
+  try {
+    block();
+  } catch (e) {
+    error = e;
+  }
+  return error;
+}
+
+function _throws(shouldThrow, block, expected, message) {
+  var actual;
+
+  if (typeof block !== 'function') {
+    throw new TypeError('"block" argument must be a function');
+  }
+
+  if (typeof expected === 'string') {
+    message = expected;
+    expected = null;
+  }
+
+  actual = _tryBlock(block);
+
+  message = (expected && expected.name ? ' (' + expected.name + ').' : '.') +
+            (message ? ' ' + message : '.');
+
+  if (shouldThrow && !actual) {
+    fail(actual, expected, 'Missing expected exception' + message);
+  }
+
+  var userProvidedMessage = typeof message === 'string';
+  var isUnwantedException = !shouldThrow && util.isError(actual);
+  var isUnexpectedException = !shouldThrow && actual && !expected;
+
+  if ((isUnwantedException &&
+      userProvidedMessage &&
+      expectedException(actual, expected)) ||
+      isUnexpectedException) {
+    fail(actual, expected, 'Got unwanted exception' + message);
+  }
+
+  if ((shouldThrow && actual && expected &&
+      !expectedException(actual, expected)) || (!shouldThrow && actual)) {
+    throw actual;
+  }
+}
+
+// 11. Expected to throw an error:
+// assert.throws(block, Error_opt, message_opt);
+
+assert.throws = function(block, /*optional*/error, /*optional*/message) {
+  _throws(true, block, error, message);
+};
+
+// EXTENSION! This is annoying to write outside this module.
+assert.doesNotThrow = function(block, /*optional*/error, /*optional*/message) {
+  _throws(false, block, error, message);
+};
+
+assert.ifError = function(err) { if (err) throw err; };
+
+var objectKeys = Object.keys || function (obj) {
+  var keys = [];
+  for (var key in obj) {
+    if (hasOwn.call(obj, key)) keys.push(key);
+  }
+  return keys;
+};
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"util/":211}],17:[function(require,module,exports){
+'use strict'
+
+exports.byteLength = byteLength
+exports.toByteArray = toByteArray
+exports.fromByteArray = fromByteArray
+
+var lookup = []
+var revLookup = []
+var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array
+
+var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
+for (var i = 0, len = code.length; i < len; ++i) {
+  lookup[i] = code[i]
+  revLookup[code.charCodeAt(i)] = i
+}
+
+revLookup['-'.charCodeAt(0)] = 62
+revLookup['_'.charCodeAt(0)] = 63
+
+function placeHoldersCount (b64) {
+  var len = b64.length
+  if (len % 4 > 0) {
+    throw new Error('Invalid string. Length must be a multiple of 4')
+  }
+
+  // the number of equal signs (place holders)
+  // if there are two placeholders, than the two characters before it
+  // represent one byte
+  // if there is only one, then the three characters before it represent 2 bytes
+  // this is just a cheap hack to not do indexOf twice
+  return b64[len - 2] === '=' ? 2 : b64[len - 1] === '=' ? 1 : 0
+}
+
+function byteLength (b64) {
+  // base64 is 4/3 + up to two characters of the original data
+  return (b64.length * 3 / 4) - placeHoldersCount(b64)
+}
+
+function toByteArray (b64) {
+  var i, l, tmp, placeHolders, arr
+  var len = b64.length
+  placeHolders = placeHoldersCount(b64)
+
+  arr = new Arr((len * 3 / 4) - placeHolders)
+
+  // if there are placeholders, only get up to the last complete 4 chars
+  l = placeHolders > 0 ? len - 4 : len
+
+  var L = 0
+
+  for (i = 0; i < l; i += 4) {
+    tmp = (revLookup[b64.charCodeAt(i)] << 18) | (revLookup[b64.charCodeAt(i + 1)] << 12) | (revLookup[b64.charCodeAt(i + 2)] << 6) | revLookup[b64.charCodeAt(i + 3)]
+    arr[L++] = (tmp >> 16) & 0xFF
+    arr[L++] = (tmp >> 8) & 0xFF
+    arr[L++] = tmp & 0xFF
+  }
+
+  if (placeHolders === 2) {
+    tmp = (revLookup[b64.charCodeAt(i)] << 2) | (revLookup[b64.charCodeAt(i + 1)] >> 4)
+    arr[L++] = tmp & 0xFF
+  } else if (placeHolders === 1) {
+    tmp = (revLookup[b64.charCodeAt(i)] << 10) | (revLookup[b64.charCodeAt(i + 1)] << 4) | (revLookup[b64.charCodeAt(i + 2)] >> 2)
+    arr[L++] = (tmp >> 8) & 0xFF
+    arr[L++] = tmp & 0xFF
+  }
+
+  return arr
+}
+
+function tripletToBase64 (num) {
+  return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F]
+}
+
+function encodeChunk (uint8, start, end) {
+  var tmp
+  var output = []
+  for (var i = start; i < end; i += 3) {
+    tmp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2])
+    output.push(tripletToBase64(tmp))
+  }
+  return output.join('')
+}
+
+function fromByteArray (uint8) {
+  var tmp
+  var len = uint8.length
+  var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes
+  var output = ''
+  var parts = []
+  var maxChunkLength = 16383 // must be multiple of 3
+
+  // go through the array every three bytes, we'll deal with trailing stuff later
+  for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
+    parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength)))
+  }
+
+  // pad the end with zeros, but make sure to not forget the extra bytes
+  if (extraBytes === 1) {
+    tmp = uint8[len - 1]
+    output += lookup[tmp >> 2]
+    output += lookup[(tmp << 4) & 0x3F]
+    output += '=='
+  } else if (extraBytes === 2) {
+    tmp = (uint8[len - 2] << 8) + (uint8[len - 1])
+    output += lookup[tmp >> 10]
+    output += lookup[(tmp >> 4) & 0x3F]
+    output += lookup[(tmp << 2) & 0x3F]
+    output += '='
+  }
+
+  parts.push(output)
+
+  return parts.join('')
+}
+
+},{}],18:[function(require,module,exports){
+var bigInt = (function (undefined) {
+    "use strict";
+
+    var BASE = 1e7,
+        LOG_BASE = 7,
+        MAX_INT = 9007199254740992,
+        MAX_INT_ARR = smallToArray(MAX_INT),
+        LOG_MAX_INT = Math.log(MAX_INT);
+
+    function Integer(v, radix) {
+        if (typeof v === "undefined") return Integer[0];
+        if (typeof radix !== "undefined") return +radix === 10 ? parseValue(v) : parseBase(v, radix);
+        return parseValue(v);
+    }
+
+    function BigInteger(value, sign) {
+        this.value = value;
+        this.sign = sign;
+        this.isSmall = false;
+    }
+    BigInteger.prototype = Object.create(Integer.prototype);
+
+    function SmallInteger(value) {
+        this.value = value;
+        this.sign = value < 0;
+        this.isSmall = true;
+    }
+    SmallInteger.prototype = Object.create(Integer.prototype);
+
+    function isPrecise(n) {
+        return -MAX_INT < n && n < MAX_INT;
+    }
+
+    function smallToArray(n) { // For performance reasons doesn't reference BASE, need to change this function if BASE changes
+        if (n < 1e7)
+            return [n];
+        if (n < 1e14)
+            return [n % 1e7, Math.floor(n / 1e7)];
+        return [n % 1e7, Math.floor(n / 1e7) % 1e7, Math.floor(n / 1e14)];
+    }
+
+    function arrayToSmall(arr) { // If BASE changes this function may need to change
+        trim(arr);
+        var length = arr.length;
+        if (length < 4 && compareAbs(arr, MAX_INT_ARR) < 0) {
+            switch (length) {
+                case 0: return 0;
+                case 1: return arr[0];
+                case 2: return arr[0] + arr[1] * BASE;
+                default: return arr[0] + (arr[1] + arr[2] * BASE) * BASE;
+            }
+        }
+        return arr;
+    }
+
+    function trim(v) {
+        var i = v.length;
+        while (v[--i] === 0);
+        v.length = i + 1;
+    }
+
+    function createArray(length) { // function shamelessly stolen from Yaffle's library https://github.com/Yaffle/BigInteger
+        var x = new Array(length);
+        var i = -1;
+        while (++i < length) {
+            x[i] = 0;
+        }
+        return x;
+    }
+
+    function truncate(n) {
+        if (n > 0) return Math.floor(n);
+        return Math.ceil(n);
+    }
+
+    function add(a, b) { // assumes a and b are arrays with a.length >= b.length
+        var l_a = a.length,
+            l_b = b.length,
+            r = new Array(l_a),
+            carry = 0,
+            base = BASE,
+            sum, i;
+        for (i = 0; i < l_b; i++) {
+            sum = a[i] + b[i] + carry;
+            carry = sum >= base ? 1 : 0;
+            r[i] = sum - carry * base;
+        }
+        while (i < l_a) {
+            sum = a[i] + carry;
+            carry = sum === base ? 1 : 0;
+            r[i++] = sum - carry * base;
+        }
+        if (carry > 0) r.push(carry);
+        return r;
+    }
+
+    function addAny(a, b) {
+        if (a.length >= b.length) return add(a, b);
+        return add(b, a);
+    }
+
+    function addSmall(a, carry) { // assumes a is array, carry is number with 0 <= carry < MAX_INT
+        var l = a.length,
+            r = new Array(l),
+            base = BASE,
+            sum, i;
+        for (i = 0; i < l; i++) {
+            sum = a[i] - base + carry;
+            carry = Math.floor(sum / base);
+            r[i] = sum - carry * base;
+            carry += 1;
+        }
+        while (carry > 0) {
+            r[i++] = carry % base;
+            carry = Math.floor(carry / base);
+        }
+        return r;
+    }
+
+    BigInteger.prototype.add = function (v) {
+        var n = parseValue(v);
+        if (this.sign !== n.sign) {
+            return this.subtract(n.negate());
+        }
+        var a = this.value, b = n.value;
+        if (n.isSmall) {
+            return new BigInteger(addSmall(a, Math.abs(b)), this.sign);
+        }
+        return new BigInteger(addAny(a, b), this.sign);
+    };
+    BigInteger.prototype.plus = BigInteger.prototype.add;
+
+    SmallInteger.prototype.add = function (v) {
+        var n = parseValue(v);
+        var a = this.value;
+        if (a < 0 !== n.sign) {
+            return this.subtract(n.negate());
+        }
+        var b = n.value;
+        if (n.isSmall) {
+            if (isPrecise(a + b)) return new SmallInteger(a + b);
+            b = smallToArray(Math.abs(b));
+        }
+        return new BigInteger(addSmall(b, Math.abs(a)), a < 0);
+    };
+    SmallInteger.prototype.plus = SmallInteger.prototype.add;
+
+    function subtract(a, b) { // assumes a and b are arrays with a >= b
+        var a_l = a.length,
+            b_l = b.length,
+            r = new Array(a_l),
+            borrow = 0,
+            base = BASE,
+            i, difference;
+        for (i = 0; i < b_l; i++) {
+            difference = a[i] - borrow - b[i];
+            if (difference < 0) {
+                difference += base;
+                borrow = 1;
+            } else borrow = 0;
+            r[i] = difference;
+        }
+        for (i = b_l; i < a_l; i++) {
+            difference = a[i] - borrow;
+            if (difference < 0) difference += base;
+            else {
+                r[i++] = difference;
+                break;
+            }
+            r[i] = difference;
+        }
+        for (; i < a_l; i++) {
+            r[i] = a[i];
+        }
+        trim(r);
+        return r;
+    }
+
+    function subtractAny(a, b, sign) {
+        var value;
+        if (compareAbs(a, b) >= 0) {
+            value = subtract(a,b);
+        } else {
+            value = subtract(b, a);
+            sign = !sign;
+        }
+        value = arrayToSmall(value);
+        if (typeof value === "number") {
+            if (sign) value = -value;
+            return new SmallInteger(value);
+        }
+        return new BigInteger(value, sign);
+    }
+
+    function subtractSmall(a, b, sign) { // assumes a is array, b is number with 0 <= b < MAX_INT
+        var l = a.length,
+            r = new Array(l),
+            carry = -b,
+            base = BASE,
+            i, difference;
+        for (i = 0; i < l; i++) {
+            difference = a[i] + carry;
+            carry = Math.floor(difference / base);
+            difference %= base;
+            r[i] = difference < 0 ? difference + base : difference;
+        }
+        r = arrayToSmall(r);
+        if (typeof r === "number") {
+            if (sign) r = -r;
+            return new SmallInteger(r);
+        } return new BigInteger(r, sign);
+    }
+
+    BigInteger.prototype.subtract = function (v) {
+        var n = parseValue(v);
+        if (this.sign !== n.sign) {
+            return this.add(n.negate());
+        }
+        var a = this.value, b = n.value;
+        if (n.isSmall)
+            return subtractSmall(a, Math.abs(b), this.sign);
+        return subtractAny(a, b, this.sign);
+    };
+    BigInteger.prototype.minus = BigInteger.prototype.subtract;
+
+    SmallInteger.prototype.subtract = function (v) {
+        var n = parseValue(v);
+        var a = this.value;
+        if (a < 0 !== n.sign) {
+            return this.add(n.negate());
+        }
+        var b = n.value;
+        if (n.isSmall) {
+            return new SmallInteger(a - b);
+        }
+        return subtractSmall(b, Math.abs(a), a >= 0);
+    };
+    SmallInteger.prototype.minus = SmallInteger.prototype.subtract;
+
+    BigInteger.prototype.negate = function () {
+        return new BigInteger(this.value, !this.sign);
+    };
+    SmallInteger.prototype.negate = function () {
+        var sign = this.sign;
+        var small = new SmallInteger(-this.value);
+        small.sign = !sign;
+        return small;
+    };
+
+    BigInteger.prototype.abs = function () {
+        return new BigInteger(this.value, false);
+    };
+    SmallInteger.prototype.abs = function () {
+        return new SmallInteger(Math.abs(this.value));
+    };
+
+    function multiplyLong(a, b) {
+        var a_l = a.length,
+            b_l = b.length,
+            l = a_l + b_l,
+            r = createArray(l),
+            base = BASE,
+            product, carry, i, a_i, b_j;
+        for (i = 0; i < a_l; ++i) {
+            a_i = a[i];
+            for (var j = 0; j < b_l; ++j) {
+                b_j = b[j];
+                product = a_i * b_j + r[i + j];
+                carry = Math.floor(product / base);
+                r[i + j] = product - carry * base;
+                r[i + j + 1] += carry;
+            }
+        }
+        trim(r);
+        return r;
+    }
+
+    function multiplySmall(a, b) { // assumes a is array, b is number with |b| < BASE
+        var l = a.length,
+            r = new Array(l),
+            base = BASE,
+            carry = 0,
+            product, i;
+        for (i = 0; i < l; i++) {
+            product = a[i] * b + carry;
+            carry = Math.floor(product / base);
+            r[i] = product - carry * base;
+        }
+        while (carry > 0) {
+            r[i++] = carry % base;
+            carry = Math.floor(carry / base);
+        }
+        return r;
+    }
+
+    function shiftLeft(x, n) {
+        var r = [];
+        while (n-- > 0) r.push(0);
+        return r.concat(x);
+    }
+
+    function multiplyKaratsuba(x, y) {
+        var n = Math.max(x.length, y.length);
+
+        if (n <= 30) return multiplyLong(x, y);
+        n = Math.ceil(n / 2);
+
+        var b = x.slice(n),
+            a = x.slice(0, n),
+            d = y.slice(n),
+            c = y.slice(0, n);
+
+        var ac = multiplyKaratsuba(a, c),
+            bd = multiplyKaratsuba(b, d),
+            abcd = multiplyKaratsuba(addAny(a, b), addAny(c, d));
+
+        var product = addAny(addAny(ac, shiftLeft(subtract(subtract(abcd, ac), bd), n)), shiftLeft(bd, 2 * n));
+        trim(product);
+        return product;
+    }
+
+    // The following function is derived from a surface fit of a graph plotting the performance difference
+    // between long multiplication and karatsuba multiplication versus the lengths of the two arrays.
+    function useKaratsuba(l1, l2) {
+        return -0.012 * l1 - 0.012 * l2 + 0.000015 * l1 * l2 > 0;
+    }
+
+    BigInteger.prototype.multiply = function (v) {
+        var n = parseValue(v),
+            a = this.value, b = n.value,
+            sign = this.sign !== n.sign,
+            abs;
+        if (n.isSmall) {
+            if (b === 0) return Integer[0];
+            if (b === 1) return this;
+            if (b === -1) return this.negate();
+            abs = Math.abs(b);
+            if (abs < BASE) {
+                return new BigInteger(multiplySmall(a, abs), sign);
+            }
+            b = smallToArray(abs);
+        }
+        if (useKaratsuba(a.length, b.length)) // Karatsuba is only faster for certain array sizes
+            return new BigInteger(multiplyKaratsuba(a, b), sign);
+        return new BigInteger(multiplyLong(a, b), sign);
+    };
+
+    BigInteger.prototype.times = BigInteger.prototype.multiply;
+
+    function multiplySmallAndArray(a, b, sign) { // a >= 0
+        if (a < BASE) {
+            return new BigInteger(multiplySmall(b, a), sign);
+        }
+        return new BigInteger(multiplyLong(b, smallToArray(a)), sign);
+    }
+    SmallInteger.prototype._multiplyBySmall = function (a) {
+            if (isPrecise(a.value * this.value)) {
+                return new SmallInteger(a.value * this.value);
+            }
+            return multiplySmallAndArray(Math.abs(a.value), smallToArray(Math.abs(this.value)), this.sign !== a.sign);
+    };
+    BigInteger.prototype._multiplyBySmall = function (a) {
+            if (a.value === 0) return Integer[0];
+            if (a.value === 1) return this;
+            if (a.value === -1) return this.negate();
+            return multiplySmallAndArray(Math.abs(a.value), this.value, this.sign !== a.sign);
+    };
+    SmallInteger.prototype.multiply = function (v) {
+        return parseValue(v)._multiplyBySmall(this);
+    };
+    SmallInteger.prototype.times = SmallInteger.prototype.multiply;
+
+    function square(a) {
+        var l = a.length,
+            r = createArray(l + l),
+            base = BASE,
+            product, carry, i, a_i, a_j;
+        for (i = 0; i < l; i++) {
+            a_i = a[i];
+            for (var j = 0; j < l; j++) {
+                a_j = a[j];
+                product = a_i * a_j + r[i + j];
+                carry = Math.floor(product / base);
+                r[i + j] = product - carry * base;
+                r[i + j + 1] += carry;
+            }
+        }
+        trim(r);
+        return r;
+    }
+
+    BigInteger.prototype.square = function () {
+        return new BigInteger(square(this.value), false);
+    };
+
+    SmallInteger.prototype.square = function () {
+        var value = this.value * this.value;
+        if (isPrecise(value)) return new SmallInteger(value);
+        return new BigInteger(square(smallToArray(Math.abs(this.value))), false);
+    };
+
+    function divMod1(a, b) { // Left over from previous version. Performs faster than divMod2 on smaller input sizes.
+        var a_l = a.length,
+            b_l = b.length,
+            base = BASE,
+            result = createArray(b.length),
+            divisorMostSignificantDigit = b[b_l - 1],
+            // normalization
+            lambda = Math.ceil(base / (2 * divisorMostSignificantDigit)),
+            remainder = multiplySmall(a, lambda),
+            divisor = multiplySmall(b, lambda),
+            quotientDigit, shift, carry, borrow, i, l, q;
+        if (remainder.length <= a_l) remainder.push(0);
+        divisor.push(0);
+        divisorMostSignificantDigit = divisor[b_l - 1];
+        for (shift = a_l - b_l; shift >= 0; shift--) {
+            quotientDigit = base - 1;
+            if (remainder[shift + b_l] !== divisorMostSignificantDigit) {
+              quotientDigit = Math.floor((remainder[shift + b_l] * base + remainder[shift + b_l - 1]) / divisorMostSignificantDigit);
+            }
+            // quotientDigit <= base - 1
+            carry = 0;
+            borrow = 0;
+            l = divisor.length;
+            for (i = 0; i < l; i++) {
+                carry += quotientDigit * divisor[i];
+                q = Math.floor(carry / base);
+                borrow += remainder[shift + i] - (carry - q * base);
+                carry = q;
+                if (borrow < 0) {
+                    remainder[shift + i] = borrow + base;
+                    borrow = -1;
+                } else {
+                    remainder[shift + i] = borrow;
+                    borrow = 0;
+                }
+            }
+            while (borrow !== 0) {
+                quotientDigit -= 1;
+                carry = 0;
+                for (i = 0; i < l; i++) {
+                    carry += remainder[shift + i] - base + divisor[i];
+                    if (carry < 0) {
+                        remainder[shift + i] = carry + base;
+                        carry = 0;
+                    } else {
+                        remainder[shift + i] = carry;
+                        carry = 1;
+                    }
+                }
+                borrow += carry;
+            }
+            result[shift] = quotientDigit;
+        }
+        // denormalization
+        remainder = divModSmall(remainder, lambda)[0];
+        return [arrayToSmall(result), arrayToSmall(remainder)];
+    }
+
+    function divMod2(a, b) { // Implementation idea shamelessly stolen from Silent Matt's library http://silentmatt.com/biginteger/
+        // Performs faster than divMod1 on larger input sizes.
+        var a_l = a.length,
+            b_l = b.length,
+            result = [],
+            part = [],
+            base = BASE,
+            guess, xlen, highx, highy, check;
+        while (a_l) {
+            part.unshift(a[--a_l]);
+            trim(part);
+            if (compareAbs(part, b) < 0) {
+                result.push(0);
+                continue;
+            }
+            xlen = part.length;
+            highx = part[xlen - 1] * base + part[xlen - 2];
+            highy = b[b_l - 1] * base + b[b_l - 2];
+            if (xlen > b_l) {
+                highx = (highx + 1) * base;
+            }
+            guess = Math.ceil(highx / highy);
+            do {
+                check = multiplySmall(b, guess);
+                if (compareAbs(check, part) <= 0) break;
+                guess--;
+            } while (guess);
+            result.push(guess);
+            part = subtract(part, check);
+        }
+        result.reverse();
+        return [arrayToSmall(result), arrayToSmall(part)];
+    }
+
+    function divModSmall(value, lambda) {
+        var length = value.length,
+            quotient = createArray(length),
+            base = BASE,
+            i, q, remainder, divisor;
+        remainder = 0;
+        for (i = length - 1; i >= 0; --i) {
+            divisor = remainder * base + value[i];
+            q = truncate(divisor / lambda);
+            remainder = divisor - q * lambda;
+            quotient[i] = q | 0;
+        }
+        return [quotient, remainder | 0];
+    }
+
+    function divModAny(self, v) {
+        var value, n = parseValue(v);
+        var a = self.value, b = n.value;
+        var quotient;
+        if (b === 0) throw new Error("Cannot divide by zero");
+        if (self.isSmall) {
+            if (n.isSmall) {
+                return [new SmallInteger(truncate(a / b)), new SmallInteger(a % b)];
+            }
+            return [Integer[0], self];
+        }
+        if (n.isSmall) {
+            if (b === 1) return [self, Integer[0]];
+            if (b == -1) return [self.negate(), Integer[0]];
+            var abs = Math.abs(b);
+            if (abs < BASE) {
+                value = divModSmall(a, abs);
+                quotient = arrayToSmall(value[0]);
+                var remainder = value[1];
+                if (self.sign) remainder = -remainder;
+                if (typeof quotient === "number") {
+                    if (self.sign !== n.sign) quotient = -quotient;
+                    return [new SmallInteger(quotient), new SmallInteger(remainder)];
+                }
+                return [new BigInteger(quotient, self.sign !== n.sign), new SmallInteger(remainder)];
+            }
+            b = smallToArray(abs);
+        }
+        var comparison = compareAbs(a, b);
+        if (comparison === -1) return [Integer[0], self];
+        if (comparison === 0) return [Integer[self.sign === n.sign ? 1 : -1], Integer[0]];
+
+        // divMod1 is faster on smaller input sizes
+        if (a.length + b.length <= 200)
+            value = divMod1(a, b);
+        else value = divMod2(a, b);
+
+        quotient = value[0];
+        var qSign = self.sign !== n.sign,
+            mod = value[1],
+            mSign = self.sign;
+        if (typeof quotient === "number") {
+            if (qSign) quotient = -quotient;
+            quotient = new SmallInteger(quotient);
+        } else quotient = new BigInteger(quotient, qSign);
+        if (typeof mod === "number") {
+            if (mSign) mod = -mod;
+            mod = new SmallInteger(mod);
+        } else mod = new BigInteger(mod, mSign);
+        return [quotient, mod];
+    }
+
+    BigInteger.prototype.divmod = function (v) {
+        var result = divModAny(this, v);
+        return {
+            quotient: result[0],
+            remainder: result[1]
+        };
+    };
+    SmallInteger.prototype.divmod = BigInteger.prototype.divmod;
+
+    BigInteger.prototype.divide = function (v) {
+        return divModAny(this, v)[0];
+    };
+    SmallInteger.prototype.over = SmallInteger.prototype.divide = BigInteger.prototype.over = BigInteger.prototype.divide;
+
+    BigInteger.prototype.mod = function (v) {
+        return divModAny(this, v)[1];
+    };
+    SmallInteger.prototype.remainder = SmallInteger.prototype.mod = BigInteger.prototype.remainder = BigInteger.prototype.mod;
+
+    BigInteger.prototype.pow = function (v) {
+        var n = parseValue(v),
+            a = this.value,
+            b = n.value,
+            value, x, y;
+        if (b === 0) return Integer[1];
+        if (a === 0) return Integer[0];
+        if (a === 1) return Integer[1];
+        if (a === -1) return n.isEven() ? Integer[1] : Integer[-1];
+        if (n.sign) {
+            return Integer[0];
+        }
+        if (!n.isSmall) throw new Error("The exponent " + n.toString() + " is too large.");
+        if (this.isSmall) {
+            if (isPrecise(value = Math.pow(a, b)))
+                return new SmallInteger(truncate(value));
+        }
+        x = this;
+        y = Integer[1];
+        while (true) {
+            if (b & 1 === 1) {
+                y = y.times(x);
+                --b;
+            }
+            if (b === 0) break;
+            b /= 2;
+            x = x.square();
+        }
+        return y;
+    };
+    SmallInteger.prototype.pow = BigInteger.prototype.pow;
+
+    BigInteger.prototype.modPow = function (exp, mod) {
+        exp = parseValue(exp);
+        mod = parseValue(mod);
+        if (mod.isZero()) throw new Error("Cannot take modPow with modulus 0");
+        var r = Integer[1],
+            base = this.mod(mod);
+        while (exp.isPositive()) {
+            if (base.isZero()) return Integer[0];
+            if (exp.isOdd()) r = r.multiply(base).mod(mod);
+            exp = exp.divide(2);
+            base = base.square().mod(mod);
+        }
+        return r;
+    };
+    SmallInteger.prototype.modPow = BigInteger.prototype.modPow;
+
+    function compareAbs(a, b) {
+        if (a.length !== b.length) {
+            return a.length > b.length ? 1 : -1;
+        }
+        for (var i = a.length - 1; i >= 0; i--) {
+            if (a[i] !== b[i]) return a[i] > b[i] ? 1 : -1;
+        }
+        return 0;
+    }
+
+    BigInteger.prototype.compareAbs = function (v) {
+        var n = parseValue(v),
+            a = this.value,
+            b = n.value;
+        if (n.isSmall) return 1;
+        return compareAbs(a, b);
+    };
+    SmallInteger.prototype.compareAbs = function (v) {
+        var n = parseValue(v),
+            a = Math.abs(this.value),
+            b = n.value;
+        if (n.isSmall) {
+            b = Math.abs(b);
+            return a === b ? 0 : a > b ? 1 : -1;
+        }
+        return -1;
+    };
+
+    BigInteger.prototype.compare = function (v) {
+        // See discussion about comparison with Infinity:
+        // https://github.com/peterolson/BigInteger.js/issues/61
+        if (v === Infinity) {
+            return -1;
+        }
+        if (v === -Infinity) {
+            return 1;
+        }
+
+        var n = parseValue(v),
+            a = this.value,
+            b = n.value;
+        if (this.sign !== n.sign) {
+            return n.sign ? 1 : -1;
+        }
+        if (n.isSmall) {
+            return this.sign ? -1 : 1;
+        }
+        return compareAbs(a, b) * (this.sign ? -1 : 1);
+    };
+    BigInteger.prototype.compareTo = BigInteger.prototype.compare;
+
+    SmallInteger.prototype.compare = function (v) {
+        if (v === Infinity) {
+            return -1;
+        }
+        if (v === -Infinity) {
+            return 1;
+        }
+
+        var n = parseValue(v),
+            a = this.value,
+            b = n.value;
+        if (n.isSmall) {
+            return a == b ? 0 : a > b ? 1 : -1;
+        }
+        if (a < 0 !== n.sign) {
+            return a < 0 ? -1 : 1;
+        }
+        return a < 0 ? 1 : -1;
+    };
+    SmallInteger.prototype.compareTo = SmallInteger.prototype.compare;
+
+    BigInteger.prototype.equals = function (v) {
+        return this.compare(v) === 0;
+    };
+    SmallInteger.prototype.eq = SmallInteger.prototype.equals = BigInteger.prototype.eq = BigInteger.prototype.equals;
+
+    BigInteger.prototype.notEquals = function (v) {
+        return this.compare(v) !== 0;
+    };
+    SmallInteger.prototype.neq = SmallInteger.prototype.notEquals = BigInteger.prototype.neq = BigInteger.prototype.notEquals;
+
+    BigInteger.prototype.greater = function (v) {
+        return this.compare(v) > 0;
+    };
+    SmallInteger.prototype.gt = SmallInteger.prototype.greater = BigInteger.prototype.gt = BigInteger.prototype.greater;
+
+    BigInteger.prototype.lesser = function (v) {
+        return this.compare(v) < 0;
+    };
+    SmallInteger.prototype.lt = SmallInteger.prototype.lesser = BigInteger.prototype.lt = BigInteger.prototype.lesser;
+
+    BigInteger.prototype.greaterOrEquals = function (v) {
+        return this.compare(v) >= 0;
+    };
+    SmallInteger.prototype.geq = SmallInteger.prototype.greaterOrEquals = BigInteger.prototype.geq = BigInteger.prototype.greaterOrEquals;
+
+    BigInteger.prototype.lesserOrEquals = function (v) {
+        return this.compare(v) <= 0;
+    };
+    SmallInteger.prototype.leq = SmallInteger.prototype.lesserOrEquals = BigInteger.prototype.leq = BigInteger.prototype.lesserOrEquals;
+
+    BigInteger.prototype.isEven = function () {
+        return (this.value[0] & 1) === 0;
+    };
+    SmallInteger.prototype.isEven = function () {
+        return (this.value & 1) === 0;
+    };
+
+    BigInteger.prototype.isOdd = function () {
+        return (this.value[0] & 1) === 1;
+    };
+    SmallInteger.prototype.isOdd = function () {
+        return (this.value & 1) === 1;
+    };
+
+    BigInteger.prototype.isPositive = function () {
+        return !this.sign;
+    };
+    SmallInteger.prototype.isPositive = function () {
+        return this.value > 0;
+    };
+
+    BigInteger.prototype.isNegative = function () {
+        return this.sign;
+    };
+    SmallInteger.prototype.isNegative = function () {
+        return this.value < 0;
+    };
+
+    BigInteger.prototype.isUnit = function () {
+        return false;
+    };
+    SmallInteger.prototype.isUnit = function () {
+        return Math.abs(this.value) === 1;
+    };
+
+    BigInteger.prototype.isZero = function () {
+        return false;
+    };
+    SmallInteger.prototype.isZero = function () {
+        return this.value === 0;
+    };
+    BigInteger.prototype.isDivisibleBy = function (v) {
+        var n = parseValue(v);
+        var value = n.value;
+        if (value === 0) return false;
+        if (value === 1) return true;
+        if (value === 2) return this.isEven();
+        return this.mod(n).equals(Integer[0]);
+    };
+    SmallInteger.prototype.isDivisibleBy = BigInteger.prototype.isDivisibleBy;
+
+    function isBasicPrime(v) {
+        var n = v.abs();
+        if (n.isUnit()) return false;
+        if (n.equals(2) || n.equals(3) || n.equals(5)) return true;
+        if (n.isEven() || n.isDivisibleBy(3) || n.isDivisibleBy(5)) return false;
+        if (n.lesser(25)) return true;
+        // we don't know if it's prime: let the other functions figure it out
+    }
+
+    BigInteger.prototype.isPrime = function () {
+        var isPrime = isBasicPrime(this);
+        if (isPrime !== undefined) return isPrime;
+        var n = this.abs(),
+            nPrev = n.prev();
+        var a = [2, 3, 5, 7, 11, 13, 17, 19],
+            b = nPrev,
+            d, t, i, x;
+        while (b.isEven()) b = b.divide(2);
+        for (i = 0; i < a.length; i++) {
+            x = bigInt(a[i]).modPow(b, n);
+            if (x.equals(Integer[1]) || x.equals(nPrev)) continue;
+            for (t = true, d = b; t && d.lesser(nPrev) ; d = d.multiply(2)) {
+                x = x.square().mod(n);
+                if (x.equals(nPrev)) t = false;
+            }
+            if (t) return false;
+        }
+        return true;
+    };
+    SmallInteger.prototype.isPrime = BigInteger.prototype.isPrime;
+
+    BigInteger.prototype.isProbablePrime = function (iterations) {
+        var isPrime = isBasicPrime(this);
+        if (isPrime !== undefined) return isPrime;
+        var n = this.abs();
+        var t = iterations === undefined ? 5 : iterations;
+        // use the Fermat primality test
+        for (var i = 0; i < t; i++) {
+            var a = bigInt.randBetween(2, n.minus(2));
+            if (!a.modPow(n.prev(), n).isUnit()) return false; // definitely composite
+        }
+        return true; // large chance of being prime
+    };
+    SmallInteger.prototype.isProbablePrime = BigInteger.prototype.isProbablePrime;
+
+    BigInteger.prototype.modInv = function (n) {
+        var t = bigInt.zero, newT = bigInt.one, r = parseValue(n), newR = this.abs(), q, lastT, lastR;
+        while (!newR.equals(bigInt.zero)) {
+            q = r.divide(newR);
+            lastT = t;
+            lastR = r;
+            t = newT;
+            r = newR;
+            newT = lastT.subtract(q.multiply(newT));
+            newR = lastR.subtract(q.multiply(newR));
+        }
+        if (!r.equals(1)) throw new Error(this.toString() + " and " + n.toString() + " are not co-prime");
+        if (t.compare(0) === -1) {
+            t = t.add(n);
+        }
+        if (this.isNegative()) {
+            return t.negate();
+        }
+        return t;
+    };
+
+    SmallInteger.prototype.modInv = BigInteger.prototype.modInv;
+
+    BigInteger.prototype.next = function () {
+        var value = this.value;
+        if (this.sign) {
+            return subtractSmall(value, 1, this.sign);
+        }
+        return new BigInteger(addSmall(value, 1), this.sign);
+    };
+    SmallInteger.prototype.next = function () {
+        var value = this.value;
+        if (value + 1 < MAX_INT) return new SmallInteger(value + 1);
+        return new BigInteger(MAX_INT_ARR, false);
+    };
+
+    BigInteger.prototype.prev = function () {
+        var value = this.value;
+        if (this.sign) {
+            return new BigInteger(addSmall(value, 1), true);
+        }
+        return subtractSmall(value, 1, this.sign);
+    };
+    SmallInteger.prototype.prev = function () {
+        var value = this.value;
+        if (value - 1 > -MAX_INT) return new SmallInteger(value - 1);
+        return new BigInteger(MAX_INT_ARR, true);
+    };
+
+    var powersOfTwo = [1];
+    while (2 * powersOfTwo[powersOfTwo.length - 1] <= BASE) powersOfTwo.push(2 * powersOfTwo[powersOfTwo.length - 1]);
+    var powers2Length = powersOfTwo.length, highestPower2 = powersOfTwo[powers2Length - 1];
+
+    function shift_isSmall(n) {
+        return ((typeof n === "number" || typeof n === "string") && +Math.abs(n) <= BASE) ||
+            (n instanceof BigInteger && n.value.length <= 1);
+    }
+
+    BigInteger.prototype.shiftLeft = function (n) {
+        if (!shift_isSmall(n)) {
+            throw new Error(String(n) + " is too large for shifting.");
+        }
+        n = +n;
+        if (n < 0) return this.shiftRight(-n);
+        var result = this;
+        while (n >= powers2Length) {
+            result = result.multiply(highestPower2);
+            n -= powers2Length - 1;
+        }
+        return result.multiply(powersOfTwo[n]);
+    };
+    SmallInteger.prototype.shiftLeft = BigInteger.prototype.shiftLeft;
+
+    BigInteger.prototype.shiftRight = function (n) {
+        var remQuo;
+        if (!shift_isSmall(n)) {
+            throw new Error(String(n) + " is too large for shifting.");
+        }
+        n = +n;
+        if (n < 0) return this.shiftLeft(-n);
+        var result = this;
+        while (n >= powers2Length) {
+            if (result.isZero()) return result;
+            remQuo = divModAny(result, highestPower2);
+            result = remQuo[1].isNegative() ? remQuo[0].prev() : remQuo[0];
+            n -= powers2Length - 1;
+        }
+        remQuo = divModAny(result, powersOfTwo[n]);
+        return remQuo[1].isNegative() ? remQuo[0].prev() : remQuo[0];
+    };
+    SmallInteger.prototype.shiftRight = BigInteger.prototype.shiftRight;
+
+    function bitwise(x, y, fn) {
+        y = parseValue(y);
+        var xSign = x.isNegative(), ySign = y.isNegative();
+        var xRem = xSign ? x.not() : x,
+            yRem = ySign ? y.not() : y;
+        var xDigit = 0, yDigit = 0;
+        var xDivMod = null, yDivMod = null;
+        var result = [];
+        while (!xRem.isZero() || !yRem.isZero()) {
+            xDivMod = divModAny(xRem, highestPower2);
+            xDigit = xDivMod[1].toJSNumber();
+            if (xSign) {
+                xDigit = highestPower2 - 1 - xDigit; // two's complement for negative numbers
+            }
+
+            yDivMod = divModAny(yRem, highestPower2);
+            yDigit = yDivMod[1].toJSNumber();
+            if (ySign) {
+                yDigit = highestPower2 - 1 - yDigit; // two's complement for negative numbers
+            }
+
+            xRem = xDivMod[0];
+            yRem = yDivMod[0];
+            result.push(fn(xDigit, yDigit));
+        }
+        var sum = fn(xSign ? 1 : 0, ySign ? 1 : 0) !== 0 ? bigInt(-1) : bigInt(0);
+        for (var i = result.length - 1; i >= 0; i -= 1) {
+            sum = sum.multiply(highestPower2).add(bigInt(result[i]));
+        }
+        return sum;
+    }
+
+    BigInteger.prototype.not = function () {
+        return this.negate().prev();
+    };
+    SmallInteger.prototype.not = BigInteger.prototype.not;
+
+    BigInteger.prototype.and = function (n) {
+        return bitwise(this, n, function (a, b) { return a & b; });
+    };
+    SmallInteger.prototype.and = BigInteger.prototype.and;
+
+    BigInteger.prototype.or = function (n) {
+        return bitwise(this, n, function (a, b) { return a | b; });
+    };
+    SmallInteger.prototype.or = BigInteger.prototype.or;
+
+    BigInteger.prototype.xor = function (n) {
+        return bitwise(this, n, function (a, b) { return a ^ b; });
+    };
+    SmallInteger.prototype.xor = BigInteger.prototype.xor;
+
+    var LOBMASK_I = 1 << 30, LOBMASK_BI = (BASE & -BASE) * (BASE & -BASE) | LOBMASK_I;
+    function roughLOB(n) { // get lowestOneBit (rough)
+        // SmallInteger: return Min(lowestOneBit(n), 1 << 30)
+        // BigInteger: return Min(lowestOneBit(n), 1 << 14) [BASE=1e7]
+        var v = n.value, x = typeof v === "number" ? v | LOBMASK_I : v[0] + v[1] * BASE | LOBMASK_BI;
+        return x & -x;
+    }
+
+    function max(a, b) {
+        a = parseValue(a);
+        b = parseValue(b);
+        return a.greater(b) ? a : b;
+    }
+    function min(a, b) {
+        a = parseValue(a);
+        b = parseValue(b);
+        return a.lesser(b) ? a : b;
+    }
+    function gcd(a, b) {
+        a = parseValue(a).abs();
+        b = parseValue(b).abs();
+        if (a.equals(b)) return a;
+        if (a.isZero()) return b;
+        if (b.isZero()) return a;
+        var c = Integer[1], d, t;
+        while (a.isEven() && b.isEven()) {
+            d = Math.min(roughLOB(a), roughLOB(b));
+            a = a.divide(d);
+            b = b.divide(d);
+            c = c.multiply(d);
+        }
+        while (a.isEven()) {
+            a = a.divide(roughLOB(a));
+        }
+        do {
+            while (b.isEven()) {
+                b = b.divide(roughLOB(b));
+            }
+            if (a.greater(b)) {
+                t = b; b = a; a = t;
+            }
+            b = b.subtract(a);
+        } while (!b.isZero());
+        return c.isUnit() ? a : a.multiply(c);
+    }
+    function lcm(a, b) {
+        a = parseValue(a).abs();
+        b = parseValue(b).abs();
+        return a.divide(gcd(a, b)).multiply(b);
+    }
+    function randBetween(a, b) {
+        a = parseValue(a);
+        b = parseValue(b);
+        var low = min(a, b), high = max(a, b);
+        var range = high.subtract(low).add(1);
+        if (range.isSmall) return low.add(Math.floor(Math.random() * range));
+        var length = range.value.length - 1;
+        var result = [], restricted = true;
+        for (var i = length; i >= 0; i--) {
+            var top = restricted ? range.value[i] : BASE;
+            var digit = truncate(Math.random() * top);
+            result.unshift(digit);
+            if (digit < top) restricted = false;
+        }
+        result = arrayToSmall(result);
+        return low.add(typeof result === "number" ? new SmallInteger(result) : new BigInteger(result, false));
+    }
+    var parseBase = function (text, base) {
+        var length = text.length;
+		var i;
+		var absBase = Math.abs(base);
+		for(var i = 0; i < length; i++) {
+			var c = text[i].toLowerCase();
+			if(c === "-") continue;
+			if(/[a-z0-9]/.test(c)) {
+			    if(/[0-9]/.test(c) && +c >= absBase) {
+					if(c === "1" && absBase === 1) continue;
+                    throw new Error(c + " is not a valid digit in base " + base + ".");
+				} else if(c.charCodeAt(0) - 87 >= absBase) {
+					throw new Error(c + " is not a valid digit in base " + base + ".");
+				}
+			}
+		}
+        if (2 <= base && base <= 36) {
+            if (length <= LOG_MAX_INT / Math.log(base)) {
+				var result = parseInt(text, base);
+				if(isNaN(result)) {
+					throw new Error(c + " is not a valid digit in base " + base + ".");
+				}
+                return new SmallInteger(parseInt(text, base));
+            }
+        }
+        base = parseValue(base);
+        var digits = [];
+        var isNegative = text[0] === "-";
+        for (i = isNegative ? 1 : 0; i < text.length; i++) {
+            var c = text[i].toLowerCase(),
+                charCode = c.charCodeAt(0);
+            if (48 <= charCode && charCode <= 57) digits.push(parseValue(c));
+            else if (97 <= charCode && charCode <= 122) digits.push(parseValue(c.charCodeAt(0) - 87));
+            else if (c === "<") {
+                var start = i;
+                do { i++; } while (text[i] !== ">");
+                digits.push(parseValue(text.slice(start + 1, i)));
+            }
+            else throw new Error(c + " is not a valid character");
+        }
+        return parseBaseFromArray(digits, base, isNegative);
+    };
+
+    function parseBaseFromArray(digits, base, isNegative) {
+        var val = Integer[0], pow = Integer[1], i;
+        for (i = digits.length - 1; i >= 0; i--) {
+            val = val.add(digits[i].times(pow));
+            pow = pow.times(base);
+        }
+        return isNegative ? val.negate() : val;
+    }
+
+    function stringify(digit) {
+        var v = digit.value;
+        if (typeof v === "number") v = [v];
+        if (v.length === 1 && v[0] <= 35) {
+            return "0123456789abcdefghijklmnopqrstuvwxyz".charAt(v[0]);
+        }
+        return "<" + v + ">";
+    }
+    function toBase(n, base) {
+        base = bigInt(base);
+        if (base.isZero()) {
+            if (n.isZero()) return "0";
+            throw new Error("Cannot convert nonzero numbers to base 0.");
+        }
+        if (base.equals(-1)) {
+            if (n.isZero()) return "0";
+            if (n.isNegative()) return new Array(1 - n).join("10");
+            return "1" + new Array(+n).join("01");
+        }
+        var minusSign = "";
+        if (n.isNegative() && base.isPositive()) {
+            minusSign = "-";
+            n = n.abs();
+        }
+        if (base.equals(1)) {
+            if (n.isZero()) return "0";
+            return minusSign + new Array(+n + 1).join(1);
+        }
+        var out = [];
+        var left = n, divmod;
+        while (left.isNegative() || left.compareAbs(base) >= 0) {
+            divmod = left.divmod(base);
+            left = divmod.quotient;
+            var digit = divmod.remainder;
+            if (digit.isNegative()) {
+                digit = base.minus(digit).abs();
+                left = left.next();
+            }
+            out.push(stringify(digit));
+        }
+        out.push(stringify(left));
+        return minusSign + out.reverse().join("");
+    }
+
+    BigInteger.prototype.toString = function (radix) {
+        if (radix === undefined) radix = 10;
+        if (radix !== 10) return toBase(this, radix);
+        var v = this.value, l = v.length, str = String(v[--l]), zeros = "0000000", digit;
+        while (--l >= 0) {
+            digit = String(v[l]);
+            str += zeros.slice(digit.length) + digit;
+        }
+        var sign = this.sign ? "-" : "";
+        return sign + str;
+    };
+
+    SmallInteger.prototype.toString = function (radix) {
+        if (radix === undefined) radix = 10;
+        if (radix != 10) return toBase(this, radix);
+        return String(this.value);
+    };
+    BigInteger.prototype.toJSON = SmallInteger.prototype.toJSON = function() { return this.toString(); }
+
+    BigInteger.prototype.valueOf = function () {
+        return +this.toString();
+    };
+    BigInteger.prototype.toJSNumber = BigInteger.prototype.valueOf;
+
+    SmallInteger.prototype.valueOf = function () {
+        return this.value;
+    };
+    SmallInteger.prototype.toJSNumber = SmallInteger.prototype.valueOf;
+
+    function parseStringValue(v) {
+            if (isPrecise(+v)) {
+                var x = +v;
+                if (x === truncate(x))
+                    return new SmallInteger(x);
+                throw "Invalid integer: " + v;
+            }
+            var sign = v[0] === "-";
+            if (sign) v = v.slice(1);
+            var split = v.split(/e/i);
+            if (split.length > 2) throw new Error("Invalid integer: " + split.join("e"));
+            if (split.length === 2) {
+                var exp = split[1];
+                if (exp[0] === "+") exp = exp.slice(1);
+                exp = +exp;
+                if (exp !== truncate(exp) || !isPrecise(exp)) throw new Error("Invalid integer: " + exp + " is not a valid exponent.");
+                var text = split[0];
+                var decimalPlace = text.indexOf(".");
+                if (decimalPlace >= 0) {
+                    exp -= text.length - decimalPlace - 1;
+                    text = text.slice(0, decimalPlace) + text.slice(decimalPlace + 1);
+                }
+                if (exp < 0) throw new Error("Cannot include negative exponent part for integers");
+                text += (new Array(exp + 1)).join("0");
+                v = text;
+            }
+            var isValid = /^([0-9][0-9]*)$/.test(v);
+            if (!isValid) throw new Error("Invalid integer: " + v);
+            var r = [], max = v.length, l = LOG_BASE, min = max - l;
+            while (max > 0) {
+                r.push(+v.slice(min, max));
+                min -= l;
+                if (min < 0) min = 0;
+                max -= l;
+            }
+            trim(r);
+            return new BigInteger(r, sign);
+    }
+
+    function parseNumberValue(v) {
+        if (isPrecise(v)) {
+            if (v !== truncate(v)) throw new Error(v + " is not an integer.");
+            return new SmallInteger(v);
+        }
+        return parseStringValue(v.toString());
+    }
+
+    function parseValue(v) {
+        if (typeof v === "number") {
+            return parseNumberValue(v);
+        }
+        if (typeof v === "string") {
+            return parseStringValue(v);
+        }
+        return v;
+    }
+    // Pre-define numbers in range [-999,999]
+    for (var i = 0; i < 1000; i++) {
+        Integer[i] = new SmallInteger(i);
+        if (i > 0) Integer[-i] = new SmallInteger(-i);
+    }
+    // Backwards compatibility
+    Integer.one = Integer[1];
+    Integer.zero = Integer[0];
+    Integer.minusOne = Integer[-1];
+    Integer.max = max;
+    Integer.min = min;
+    Integer.gcd = gcd;
+    Integer.lcm = lcm;
+    Integer.isInstance = function (x) { return x instanceof BigInteger || x instanceof SmallInteger; };
+    Integer.randBetween = randBetween;
+
+    Integer.fromArray = function (digits, base, isNegative) {
+        return parseBaseFromArray(digits.map(parseValue), parseValue(base || 10), isNegative);
+    };
+
+    return Integer;
+})();
+
+// Node.js check
+if (typeof module !== "undefined" && module.hasOwnProperty("exports")) {
+    module.exports = bigInt;
+}
+
+//amd check
+if ( typeof define === "function" && define.amd ) {
+  define( "big-integer", [], function() {
+    return bigInt;
+  });
+}
+
+},{}],19:[function(require,module,exports){
+(function (module, exports) {
+
+'use strict';
+
+// Utils
+
+function assert(val, msg) {
+  if (!val)
+    throw new Error(msg || 'Assertion failed');
+}
+
+// Could use `inherits` module, but don't want to move from single file
+// architecture yet.
+function inherits(ctor, superCtor) {
+  ctor.super_ = superCtor;
+  var TempCtor = function () {};
+  TempCtor.prototype = superCtor.prototype;
+  ctor.prototype = new TempCtor();
+  ctor.prototype.constructor = ctor;
+}
+
+// BN
+
+function BN(number, base, endian) {
+  // May be `new BN(bn)` ?
+  if (number !== null &&
+      typeof number === 'object' &&
+      Array.isArray(number.words)) {
+    return number;
+  }
+
+  this.sign = false;
+  this.words = null;
+  this.length = 0;
+
+  // Reduction context
+  this.red = null;
+
+  if (base === 'le' || base === 'be') {
+    endian = base;
+    base = 10;
+  }
+
+  if (number !== null)
+    this._init(number || 0, base || 10, endian || 'be');
+}
+if (typeof module === 'object')
+  module.exports = BN;
+else
+  exports.BN = BN;
+
+BN.BN = BN;
+BN.wordSize = 26;
+
+BN.prototype._init = function init(number, base, endian) {
+  if (typeof number === 'number') {
+    if (number < 0) {
+      this.sign = true;
+      number = -number;
+    }
+    if (number < 0x4000000) {
+      this.words = [ number & 0x3ffffff ];
+      this.length = 1;
+    } else if (number < 0x10000000000000) {
+      this.words = [
+        number & 0x3ffffff,
+        (number / 0x4000000) & 0x3ffffff
+      ];
+      this.length = 2;
+    } else {
+      assert(number < 0x20000000000000); // 2 ^ 53 (unsafe)
+      this.words = [
+        number & 0x3ffffff,
+        (number / 0x4000000) & 0x3ffffff,
+        1
+      ];
+      this.length = 3;
+    }
+    return;
+  } else if (typeof number === 'object') {
+    return this._initArray(number, base, endian);
+  }
+  if (base === 'hex')
+    base = 16;
+  assert(base === (base | 0) && base >= 2 && base <= 36);
+
+  number = number.toString().replace(/\s+/g, '');
+  var start = 0;
+  if (number[0] === '-')
+    start++;
+
+  if (base === 16)
+    this._parseHex(number, start);
+  else
+    this._parseBase(number, base, start);
+
+  if (number[0] === '-')
+    this.sign = true;
+
+  this.strip();
+};
+
+BN.prototype._initArray = function _initArray(number, base, endian) {
+  // Perhaps a Uint8Array
+  assert(typeof number.length === 'number');
+  if (number.length <= 0) {
+    this.words = [ 0 ];
+    this.length = 1;
+    return this;
+  }
+
+  this.length = Math.ceil(number.length / 3);
+  this.words = new Array(this.length);
+  for (var i = 0; i < this.length; i++)
+    this.words[i] = 0;
+
+  var off = 0;
+  if (endian === 'be') {
+    for (var i = number.length - 1, j = 0; i >= 0; i -= 3) {
+      var w = number[i] | (number[i - 1] << 8) | (number[i - 2] << 16);
+      this.words[j] |= (w << off) & 0x3ffffff;
+      this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
+      off += 24;
+      if (off >= 26) {
+        off -= 26;
+        j++;
+      }
+    }
+  } else if (endian === 'le') {
+    for (var i = 0, j = 0; i < number.length; i += 3) {
+      var w = number[i] | (number[i + 1] << 8) | (number[i + 2] << 16);
+      this.words[j] |= (w << off) & 0x3ffffff;
+      this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
+      off += 24;
+      if (off >= 26) {
+        off -= 26;
+        j++;
+      }
+    }
+  }
+  return this.strip();
+};
+
+function parseHex(str, start, end) {
+  var r = 0;
+  var len = Math.min(str.length, end);
+  for (var i = start; i < len; i++) {
+    var c = str.charCodeAt(i) - 48;
+
+    r <<= 4;
+
+    // 'a' - 'f'
+    if (c >= 49 && c <= 54)
+      r |= c - 49 + 0xa;
+
+    // 'A' - 'F'
+    else if (c >= 17 && c <= 22)
+      r |= c - 17 + 0xa;
+
+    // '0' - '9'
+    else
+      r |= c & 0xf;
+  }
+  return r;
+}
+
+BN.prototype._parseHex = function _parseHex(number, start) {
+  // Create possibly bigger array to ensure that it fits the number
+  this.length = Math.ceil((number.length - start) / 6);
+  this.words = new Array(this.length);
+  for (var i = 0; i < this.length; i++)
+    this.words[i] = 0;
+
+  // Scan 24-bit chunks and add them to the number
+  var off = 0;
+  for (var i = number.length - 6, j = 0; i >= start; i -= 6) {
+    var w = parseHex(number, i, i + 6);
+    this.words[j] |= (w << off) & 0x3ffffff;
+    this.words[j + 1] |= w >>> (26 - off) & 0x3fffff;
+    off += 24;
+    if (off >= 26) {
+      off -= 26;
+      j++;
+    }
+  }
+  if (i + 6 !== start) {
+    var w = parseHex(number, start, i + 6);
+    this.words[j] |= (w << off) & 0x3ffffff;
+    this.words[j + 1] |= w >>> (26 - off) & 0x3fffff;
+  }
+  this.strip();
+};
+
+function parseBase(str, start, end, mul) {
+  var r = 0;
+  var len = Math.min(str.length, end);
+  for (var i = start; i < len; i++) {
+    var c = str.charCodeAt(i) - 48;
+
+    r *= mul;
+
+    // 'a'
+    if (c >= 49)
+      r += c - 49 + 0xa;
+
+    // 'A'
+    else if (c >= 17)
+      r += c - 17 + 0xa;
+
+    // '0' - '9'
+    else
+      r += c;
+  }
+  return r;
+}
+
+BN.prototype._parseBase = function _parseBase(number, base, start) {
+  // Initialize as zero
+  this.words = [ 0 ];
+  this.length = 1;
+
+  // Find length of limb in base
+  for (var limbLen = 0, limbPow = 1; limbPow <= 0x3ffffff; limbPow *= base)
+    limbLen++;
+  limbLen--;
+  limbPow = (limbPow / base) | 0;
+
+  var total = number.length - start;
+  var mod = total % limbLen;
+  var end = Math.min(total, total - mod) + start;
+
+  var word = 0;
+  for (var i = start; i < end; i += limbLen) {
+    word = parseBase(number, i, i + limbLen, base);
+
+    this.imuln(limbPow);
+    if (this.words[0] + word < 0x4000000)
+      this.words[0] += word;
+    else
+      this._iaddn(word);
+  }
+
+  if (mod !== 0) {
+    var pow = 1;
+    var word = parseBase(number, i, number.length, base);
+
+    for (var i = 0; i < mod; i++)
+      pow *= base;
+    this.imuln(pow);
+    if (this.words[0] + word < 0x4000000)
+      this.words[0] += word;
+    else
+      this._iaddn(word);
+  }
+};
+
+BN.prototype.copy = function copy(dest) {
+  dest.words = new Array(this.length);
+  for (var i = 0; i < this.length; i++)
+    dest.words[i] = this.words[i];
+  dest.length = this.length;
+  dest.sign = this.sign;
+  dest.red = this.red;
+};
+
+BN.prototype.clone = function clone() {
+  var r = new BN(null);
+  this.copy(r);
+  return r;
+};
+
+// Remove leading `0` from `this`
+BN.prototype.strip = function strip() {
+  while (this.length > 1 && this.words[this.length - 1] === 0)
+    this.length--;
+  return this._normSign();
+};
+
+BN.prototype._normSign = function _normSign() {
+  // -0 = 0
+  if (this.length === 1 && this.words[0] === 0)
+    this.sign = false;
+  return this;
+};
+
+BN.prototype.inspect = function inspect() {
+  return (this.red ? '<BN-R: ' : '<BN: ') + this.toString(16) + '>';
+};
+
+/*
+
+var zeros = [];
+var groupSizes = [];
+var groupBases = [];
+
+var s = '';
+var i = -1;
+while (++i < BN.wordSize) {
+  zeros[i] = s;
+  s += '0';
+}
+groupSizes[0] = 0;
+groupSizes[1] = 0;
+groupBases[0] = 0;
+groupBases[1] = 0;
+var base = 2 - 1;
+while (++base < 36 + 1) {
+  var groupSize = 0;
+  var groupBase = 1;
+  while (groupBase < (1 << BN.wordSize) / base) {
+    groupBase *= base;
+    groupSize += 1;
+  }
+  groupSizes[base] = groupSize;
+  groupBases[base] = groupBase;
+}
+
+*/
+
+var zeros = [
+  '',
+  '0',
+  '00',
+  '000',
+  '0000',
+  '00000',
+  '000000',
+  '0000000',
+  '00000000',
+  '000000000',
+  '0000000000',
+  '00000000000',
+  '000000000000',
+  '0000000000000',
+  '00000000000000',
+  '000000000000000',
+  '0000000000000000',
+  '00000000000000000',
+  '000000000000000000',
+  '0000000000000000000',
+  '00000000000000000000',
+  '000000000000000000000',
+  '0000000000000000000000',
+  '00000000000000000000000',
+  '000000000000000000000000',
+  '0000000000000000000000000'
+];
+
+var groupSizes = [
+  0, 0,
+  25, 16, 12, 11, 10, 9, 8,
+  8, 7, 7, 7, 7, 6, 6,
+  6, 6, 6, 6, 6, 5, 5,
+  5, 5, 5, 5, 5, 5, 5,
+  5, 5, 5, 5, 5, 5, 5
+];
+
+var groupBases = [
+  0, 0,
+  33554432, 43046721, 16777216, 48828125, 60466176, 40353607, 16777216,
+  43046721, 10000000, 19487171, 35831808, 62748517, 7529536, 11390625,
+  16777216, 24137569, 34012224, 47045881, 64000000, 4084101, 5153632,
+  6436343, 7962624, 9765625, 11881376, 14348907, 17210368, 20511149,
+  24300000, 28629151, 33554432, 39135393, 45435424, 52521875, 60466176
+];
+
+BN.prototype.toString = function toString(base, padding) {
+  base = base || 10;
+  if (base === 16 || base === 'hex') {
+    var out = '';
+    var off = 0;
+    var padding = padding | 0 || 1;
+    var carry = 0;
+    for (var i = 0; i < this.length; i++) {
+      var w = this.words[i];
+      var word = (((w << off) | carry) & 0xffffff).toString(16);
+      carry = (w >>> (24 - off)) & 0xffffff;
+      if (carry !== 0 || i !== this.length - 1)
+        out = zeros[6 - word.length] + word + out;
+      else
+        out = word + out;
+      off += 2;
+      if (off >= 26) {
+        off -= 26;
+        i--;
+      }
+    }
+    if (carry !== 0)
+      out = carry.toString(16) + out;
+    while (out.length % padding !== 0)
+      out = '0' + out;
+    if (this.sign)
+      out = '-' + out;
+    return out;
+  } else if (base === (base | 0) && base >= 2 && base <= 36) {
+    // var groupSize = Math.floor(BN.wordSize * Math.LN2 / Math.log(base));
+    var groupSize = groupSizes[base];
+    // var groupBase = Math.pow(base, groupSize);
+    var groupBase = groupBases[base];
+    var out = '';
+    var c = this.clone();
+    c.sign = false;
+    while (c.cmpn(0) !== 0) {
+      var r = c.modn(groupBase).toString(base);
+      c = c.idivn(groupBase);
+
+      if (c.cmpn(0) !== 0)
+        out = zeros[groupSize - r.length] + r + out;
+      else
+        out = r + out;
+    }
+    if (this.cmpn(0) === 0)
+      out = '0' + out;
+    if (this.sign)
+      out = '-' + out;
+    return out;
+  } else {
+    assert(false, 'Base should be between 2 and 36');
+  }
+};
+
+BN.prototype.toJSON = function toJSON() {
+  return this.toString(16);
+};
+
+BN.prototype.toArray = function toArray() {
+  this.strip();
+  var res = new Array(this.byteLength());
+  res[0] = 0;
+
+  var q = this.clone();
+  for (var i = 0; q.cmpn(0) !== 0; i++) {
+    var b = q.andln(0xff);
+    q.ishrn(8);
+
+    // Assume big-endian
+    res[res.length - i - 1] = b;
+  }
+
+  return res;
+};
+
+if (Math.clz32) {
+  BN.prototype._countBits = function _countBits(w) {
+    return 32 - Math.clz32(w);
+  };
+} else {
+  BN.prototype._countBits = function _countBits(w) {
+    var t = w;
+    var r = 0;
+    if (t >= 0x1000) {
+      r += 13;
+      t >>>= 13;
+    }
+    if (t >= 0x40) {
+      r += 7;
+      t >>>= 7;
+    }
+    if (t >= 0x8) {
+      r += 4;
+      t >>>= 4;
+    }
+    if (t >= 0x02) {
+      r += 2;
+      t >>>= 2;
+    }
+    return r + t;
+  };
+}
+
+BN.prototype._zeroBits = function _zeroBits(w) {
+  // Short-cut
+  if (w === 0)
+    return 26;
+
+  var t = w;
+  var r = 0;
+  if ((t & 0x1fff) === 0) {
+    r += 13;
+    t >>>= 13;
+  }
+  if ((t & 0x7f) === 0) {
+    r += 7;
+    t >>>= 7;
+  }
+  if ((t & 0xf) === 0) {
+    r += 4;
+    t >>>= 4;
+  }
+  if ((t & 0x3) === 0) {
+    r += 2;
+    t >>>= 2;
+  }
+  if ((t & 0x1) === 0)
+    r++;
+  return r;
+};
+
+// Return number of used bits in a BN
+BN.prototype.bitLength = function bitLength() {
+  var hi = 0;
+  var w = this.words[this.length - 1];
+  var hi = this._countBits(w);
+  return (this.length - 1) * 26 + hi;
+};
+
+// Number of trailing zero bits
+BN.prototype.zeroBits = function zeroBits() {
+  if (this.cmpn(0) === 0)
+    return 0;
+
+  var r = 0;
+  for (var i = 0; i < this.length; i++) {
+    var b = this._zeroBits(this.words[i]);
+    r += b;
+    if (b !== 26)
+      break;
+  }
+  return r;
+};
+
+BN.prototype.byteLength = function byteLength() {
+  return Math.ceil(this.bitLength() / 8);
+};
+
+// Return negative clone of `this`
+BN.prototype.neg = function neg() {
+  if (this.cmpn(0) === 0)
+    return this.clone();
+
+  var r = this.clone();
+  r.sign = !this.sign;
+  return r;
+};
+
+
+// Or `num` with `this` in-place
+BN.prototype.ior = function ior(num) {
+  this.sign = this.sign || num.sign;
+
+  while (this.length < num.length)
+    this.words[this.length++] = 0;
+
+  for (var i = 0; i < num.length; i++)
+    this.words[i] = this.words[i] | num.words[i];
+
+  return this.strip();
+};
+
+
+// Or `num` with `this`
+BN.prototype.or = function or(num) {
+  if (this.length > num.length)
+    return this.clone().ior(num);
+  else
+    return num.clone().ior(this);
+};
+
+
+// And `num` with `this` in-place
+BN.prototype.iand = function iand(num) {
+  this.sign = this.sign && num.sign;
+
+  // b = min-length(num, this)
+  var b;
+  if (this.length > num.length)
+    b = num;
+  else
+    b = this;
+
+  for (var i = 0; i < b.length; i++)
+    this.words[i] = this.words[i] & num.words[i];
+
+  this.length = b.length;
+
+  return this.strip();
+};
+
+
+// And `num` with `this`
+BN.prototype.and = function and(num) {
+  if (this.length > num.length)
+    return this.clone().iand(num);
+  else
+    return num.clone().iand(this);
+};
+
+
+// Xor `num` with `this` in-place
+BN.prototype.ixor = function ixor(num) {
+  this.sign = this.sign || num.sign;
+
+  // a.length > b.length
+  var a;
+  var b;
+  if (this.length > num.length) {
+    a = this;
+    b = num;
+  } else {
+    a = num;
+    b = this;
+  }
+
+  for (var i = 0; i < b.length; i++)
+    this.words[i] = a.words[i] ^ b.words[i];
+
+  if (this !== a)
+    for (; i < a.length; i++)
+      this.words[i] = a.words[i];
+
+  this.length = a.length;
+
+  return this.strip();
+};
+
+
+// Xor `num` with `this`
+BN.prototype.xor = function xor(num) {
+  if (this.length > num.length)
+    return this.clone().ixor(num);
+  else
+    return num.clone().ixor(this);
+};
+
+
+// Set `bit` of `this`
+BN.prototype.setn = function setn(bit, val) {
+  assert(typeof bit === 'number' && bit >= 0);
+
+  var off = (bit / 26) | 0;
+  var wbit = bit % 26;
+
+  while (this.length <= off)
+    this.words[this.length++] = 0;
+
+  if (val)
+    this.words[off] = this.words[off] | (1 << wbit);
+  else
+    this.words[off] = this.words[off] & ~(1 << wbit);
+
+  return this.strip();
+};
+
+
+// Add `num` to `this` in-place
+BN.prototype.iadd = function iadd(num) {
+  // negative + positive
+  if (this.sign && !num.sign) {
+    this.sign = false;
+    var r = this.isub(num);
+    this.sign = !this.sign;
+    return this._normSign();
+
+  // positive + negative
+  } else if (!this.sign && num.sign) {
+    num.sign = false;
+    var r = this.isub(num);
+    num.sign = true;
+    return r._normSign();
+  }
+
+  // a.length > b.length
+  var a;
+  var b;
+  if (this.length > num.length) {
+    a = this;
+    b = num;
+  } else {
+    a = num;
+    b = this;
+  }
+
+  var carry = 0;
+  for (var i = 0; i < b.length; i++) {
+    var r = a.words[i] + b.words[i] + carry;
+    this.words[i] = r & 0x3ffffff;
+    carry = r >>> 26;
+  }
+  for (; carry !== 0 && i < a.length; i++) {
+    var r = a.words[i] + carry;
+    this.words[i] = r & 0x3ffffff;
+    carry = r >>> 26;
+  }
+
+  this.length = a.length;
+  if (carry !== 0) {
+    this.words[this.length] = carry;
+    this.length++;
+  // Copy the rest of the words
+  } else if (a !== this) {
+    for (; i < a.length; i++)
+      this.words[i] = a.words[i];
+  }
+
+  return this;
+};
+
+// Add `num` to `this`
+BN.prototype.add = function add(num) {
+  if (num.sign && !this.sign) {
+    num.sign = false;
+    var res = this.sub(num);
+    num.sign = true;
+    return res;
+  } else if (!num.sign && this.sign) {
+    this.sign = false;
+    var res = num.sub(this);
+    this.sign = true;
+    return res;
+  }
+
+  if (this.length > num.length)
+    return this.clone().iadd(num);
+  else
+    return num.clone().iadd(this);
+};
+
+// Subtract `num` from `this` in-place
+BN.prototype.isub = function isub(num) {
+  // this - (-num) = this + num
+  if (num.sign) {
+    num.sign = false;
+    var r = this.iadd(num);
+    num.sign = true;
+    return r._normSign();
+
+  // -this - num = -(this + num)
+  } else if (this.sign) {
+    this.sign = false;
+    this.iadd(num);
+    this.sign = true;
+    return this._normSign();
+  }
+
+  // At this point both numbers are positive
+  var cmp = this.cmp(num);
+
+  // Optimization - zeroify
+  if (cmp === 0) {
+    this.sign = false;
+    this.length = 1;
+    this.words[0] = 0;
+    return this;
+  }
+
+  // a > b
+  var a;
+  var b;
+  if (cmp > 0) {
+    a = this;
+    b = num;
+  } else {
+    a = num;
+    b = this;
+  }
+
+  var carry = 0;
+  for (var i = 0; i < b.length; i++) {
+    var r = a.words[i] - b.words[i] + carry;
+    carry = r >> 26;
+    this.words[i] = r & 0x3ffffff;
+  }
+  for (; carry !== 0 && i < a.length; i++) {
+    var r = a.words[i] + carry;
+    carry = r >> 26;
+    this.words[i] = r & 0x3ffffff;
+  }
+
+  // Copy rest of the words
+  if (carry === 0 && i < a.length && a !== this)
+    for (; i < a.length; i++)
+      this.words[i] = a.words[i];
+  this.length = Math.max(this.length, i);
+
+  if (a !== this)
+    this.sign = true;
+
+  return this.strip();
+};
+
+// Subtract `num` from `this`
+BN.prototype.sub = function sub(num) {
+  return this.clone().isub(num);
+};
+
+/*
+// NOTE: This could be potentionally used to generate loop-less multiplications
+function _genCombMulTo(alen, blen) {
+  var len = alen + blen - 1;
+  var src = [
+    'var a = this.words, b = num.words, o = out.words, c = 0, w, ' +
+        'mask = 0x3ffffff, shift = 0x4000000;',
+    'out.length = ' + len + ';'
+  ];
+  for (var k = 0; k < len; k++) {
+    var minJ = Math.max(0, k - alen + 1);
+    var maxJ = Math.min(k, blen - 1);
+
+    for (var j = minJ; j <= maxJ; j++) {
+      var i = k - j;
+      var mul = 'a[' + i + '] * b[' + j + ']';
+
+      if (j === minJ) {
+        src.push('w = ' + mul + ' + c;');
+        src.push('c = (w / shift) | 0;');
+      } else {
+        src.push('w += ' + mul + ';');
+        src.push('c += (w / shift) | 0;');
+      }
+      src.push('w &= mask;');
+    }
+    src.push('o[' + k + '] = w;');
+  }
+  src.push('if (c !== 0) {',
+           '  o[' + k + '] = c;',
+           '  out.length++;',
+           '}',
+           'return out;');
+
+  return src.join('\n');
+}
+*/
+
+BN.prototype._smallMulTo = function _smallMulTo(num, out) {
+  out.sign = num.sign !== this.sign;
+  out.length = this.length + num.length;
+
+  var carry = 0;
+  for (var k = 0; k < out.length - 1; k++) {
+    // Sum all words with the same `i + j = k` and accumulate `ncarry`,
+    // note that ncarry could be >= 0x3ffffff
+    var ncarry = carry >>> 26;
+    var rword = carry & 0x3ffffff;
+    var maxJ = Math.min(k, num.length - 1);
+    for (var j = Math.max(0, k - this.length + 1); j <= maxJ; j++) {
+      var i = k - j;
+      var a = this.words[i] | 0;
+      var b = num.words[j] | 0;
+      var r = a * b;
+
+      var lo = r & 0x3ffffff;
+      ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0;
+      lo = (lo + rword) | 0;
+      rword = lo & 0x3ffffff;
+      ncarry = (ncarry + (lo >>> 26)) | 0;
+    }
+    out.words[k] = rword;
+    carry = ncarry;
+  }
+  if (carry !== 0) {
+    out.words[k] = carry;
+  } else {
+    out.length--;
+  }
+
+  return out.strip();
+};
+
+BN.prototype._bigMulTo = function _bigMulTo(num, out) {
+  out.sign = num.sign !== this.sign;
+  out.length = this.length + num.length;
+
+  var carry = 0;
+  var hncarry = 0;
+  for (var k = 0; k < out.length - 1; k++) {
+    // Sum all words with the same `i + j = k` and accumulate `ncarry`,
+    // note that ncarry could be >= 0x3ffffff
+    var ncarry = hncarry;
+    hncarry = 0;
+    var rword = carry & 0x3ffffff;
+    var maxJ = Math.min(k, num.length - 1);
+    for (var j = Math.max(0, k - this.length + 1); j <= maxJ; j++) {
+      var i = k - j;
+      var a = this.words[i] | 0;
+      var b = num.words[j] | 0;
+      var r = a * b;
+
+      var lo = r & 0x3ffffff;
+      ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0;
+      lo = (lo + rword) | 0;
+      rword = lo & 0x3ffffff;
+      ncarry = (ncarry + (lo >>> 26)) | 0;
+
+      hncarry += ncarry >>> 26;
+      ncarry &= 0x3ffffff;
+    }
+    out.words[k] = rword;
+    carry = ncarry;
+    ncarry = hncarry;
+  }
+  if (carry !== 0) {
+    out.words[k] = carry;
+  } else {
+    out.length--;
+  }
+
+  return out.strip();
+};
+
+BN.prototype.mulTo = function mulTo(num, out) {
+  var res;
+  if (this.length + num.length < 63)
+    res = this._smallMulTo(num, out);
+  else
+    res = this._bigMulTo(num, out);
+  return res;
+};
+
+// Multiply `this` by `num`
+BN.prototype.mul = function mul(num) {
+  var out = new BN(null);
+  out.words = new Array(this.length + num.length);
+  return this.mulTo(num, out);
+};
+
+// In-place Multiplication
+BN.prototype.imul = function imul(num) {
+  if (this.cmpn(0) === 0 || num.cmpn(0) === 0) {
+    this.words[0] = 0;
+    this.length = 1;
+    return this;
+  }
+
+  var tlen = this.length;
+  var nlen = num.length;
+
+  this.sign = num.sign !== this.sign;
+  this.length = this.length + num.length;
+  this.words[this.length - 1] = 0;
+
+  for (var k = this.length - 2; k >= 0; k--) {
+    // Sum all words with the same `i + j = k` and accumulate `carry`,
+    // note that carry could be >= 0x3ffffff
+    var carry = 0;
+    var rword = 0;
+    var maxJ = Math.min(k, nlen - 1);
+    for (var j = Math.max(0, k - tlen + 1); j <= maxJ; j++) {
+      var i = k - j;
+      var a = this.words[i];
+      var b = num.words[j];
+      var r = a * b;
+
+      var lo = r & 0x3ffffff;
+      carry += (r / 0x4000000) | 0;
+      lo += rword;
+      rword = lo & 0x3ffffff;
+      carry += lo >>> 26;
+    }
+    this.words[k] = rword;
+    this.words[k + 1] += carry;
+    carry = 0;
+  }
+
+  // Propagate overflows
+  var carry = 0;
+  for (var i = 1; i < this.length; i++) {
+    var w = this.words[i] + carry;
+    this.words[i] = w & 0x3ffffff;
+    carry = w >>> 26;
+  }
+
+  return this.strip();
+};
+
+BN.prototype.imuln = function imuln(num) {
+  assert(typeof num === 'number');
+
+  // Carry
+  var carry = 0;
+  for (var i = 0; i < this.length; i++) {
+    var w = this.words[i] * num;
+    var lo = (w & 0x3ffffff) + (carry & 0x3ffffff);
+    carry >>= 26;
+    carry += (w / 0x4000000) | 0;
+    // NOTE: lo is 27bit maximum
+    carry += lo >>> 26;
+    this.words[i] = lo & 0x3ffffff;
+  }
+
+  if (carry !== 0) {
+    this.words[i] = carry;
+    this.length++;
+  }
+
+  return this;
+};
+
+// `this` * `this`
+BN.prototype.sqr = function sqr() {
+  return this.mul(this);
+};
+
+// `this` * `this` in-place
+BN.prototype.isqr = function isqr() {
+  return this.mul(this);
+};
+
+// Shift-left in-place
+BN.prototype.ishln = function ishln(bits) {
+  assert(typeof bits === 'number' && bits >= 0);
+  var r = bits % 26;
+  var s = (bits - r) / 26;
+  var carryMask = (0x3ffffff >>> (26 - r)) << (26 - r);
+
+  if (r !== 0) {
+    var carry = 0;
+    for (var i = 0; i < this.length; i++) {
+      var newCarry = this.words[i] & carryMask;
+      var c = (this.words[i] - newCarry) << r;
+      this.words[i] = c | carry;
+      carry = newCarry >>> (26 - r);
+    }
+    if (carry) {
+      this.words[i] = carry;
+      this.length++;
+    }
+  }
+
+  if (s !== 0) {
+    for (var i = this.length - 1; i >= 0; i--)
+      this.words[i + s] = this.words[i];
+    for (var i = 0; i < s; i++)
+      this.words[i] = 0;
+    this.length += s;
+  }
+
+  return this.strip();
+};
+
+// Shift-right in-place
+// NOTE: `hint` is a lowest bit before trailing zeroes
+// NOTE: if `extended` is present - it will be filled with destroyed bits
+BN.prototype.ishrn = function ishrn(bits, hint, extended) {
+  assert(typeof bits === 'number' && bits >= 0);
+  var h;
+  if (hint)
+    h = (hint - (hint % 26)) / 26;
+  else
+    h = 0;
+
+  var r = bits % 26;
+  var s = Math.min((bits - r) / 26, this.length);
+  var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
+  var maskedWords = extended;
+
+  h -= s;
+  h = Math.max(0, h);
+
+  // Extended mode, copy masked part
+  if (maskedWords) {
+    for (var i = 0; i < s; i++)
+      maskedWords.words[i] = this.words[i];
+    maskedWords.length = s;
+  }
+
+  if (s === 0) {
+    // No-op, we should not move anything at all
+  } else if (this.length > s) {
+    this.length -= s;
+    for (var i = 0; i < this.length; i++)
+      this.words[i] = this.words[i + s];
+  } else {
+    this.words[0] = 0;
+    this.length = 1;
+  }
+
+  var carry = 0;
+  for (var i = this.length - 1; i >= 0 && (carry !== 0 || i >= h); i--) {
+    var word = this.words[i];
+    this.words[i] = (carry << (26 - r)) | (word >>> r);
+    carry = word & mask;
+  }
+
+  // Push carried bits as a mask
+  if (maskedWords && carry !== 0)
+    maskedWords.words[maskedWords.length++] = carry;
+
+  if (this.length === 0) {
+    this.words[0] = 0;
+    this.length = 1;
+  }
+
+  this.strip();
+
+  return this;
+};
+
+// Shift-left
+BN.prototype.shln = function shln(bits) {
+  return this.clone().ishln(bits);
+};
+
+// Shift-right
+BN.prototype.shrn = function shrn(bits) {
+  return this.clone().ishrn(bits);
+};
+
+// Test if n bit is set
+BN.prototype.testn = function testn(bit) {
+  assert(typeof bit === 'number' && bit >= 0);
+  var r = bit % 26;
+  var s = (bit - r) / 26;
+  var q = 1 << r;
+
+  // Fast case: bit is much higher than all existing words
+  if (this.length <= s) {
+    return false;
+  }
+
+  // Check bit and return
+  var w = this.words[s];
+
+  return !!(w & q);
+};
+
+// Return only lowers bits of number (in-place)
+BN.prototype.imaskn = function imaskn(bits) {
+  assert(typeof bits === 'number' && bits >= 0);
+  var r = bits % 26;
+  var s = (bits - r) / 26;
+
+  assert(!this.sign, 'imaskn works only with positive numbers');
+
+  if (r !== 0)
+    s++;
+  this.length = Math.min(s, this.length);
+
+  if (r !== 0) {
+    var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
+    this.words[this.length - 1] &= mask;
+  }
+
+  return this.strip();
+};
+
+// Return only lowers bits of number
+BN.prototype.maskn = function maskn(bits) {
+  return this.clone().imaskn(bits);
+};
+
+// Add plain number `num` to `this`
+BN.prototype.iaddn = function iaddn(num) {
+  assert(typeof num === 'number');
+  if (num < 0)
+    return this.isubn(-num);
+
+  // Possible sign change
+  if (this.sign) {
+    if (this.length === 1 && this.words[0] < num) {
+      this.words[0] = num - this.words[0];
+      this.sign = false;
+      return this;
+    }
+
+    this.sign = false;
+    this.isubn(num);
+    this.sign = true;
+    return this;
+  }
+
+  // Add without checks
+  return this._iaddn(num);
+};
+
+BN.prototype._iaddn = function _iaddn(num) {
+  this.words[0] += num;
+
+  // Carry
+  for (var i = 0; i < this.length && this.words[i] >= 0x4000000; i++) {
+    this.words[i] -= 0x4000000;
+    if (i === this.length - 1)
+      this.words[i + 1] = 1;
+    else
+      this.words[i + 1]++;
+  }
+  this.length = Math.max(this.length, i + 1);
+
+  return this;
+};
+
+// Subtract plain number `num` from `this`
+BN.prototype.isubn = function isubn(num) {
+  assert(typeof num === 'number');
+  if (num < 0)
+    return this.iaddn(-num);
+
+  if (this.sign) {
+    this.sign = false;
+    this.iaddn(num);
+    this.sign = true;
+    return this;
+  }
+
+  this.words[0] -= num;
+
+  // Carry
+  for (var i = 0; i < this.length && this.words[i] < 0; i++) {
+    this.words[i] += 0x4000000;
+    this.words[i + 1] -= 1;
+  }
+
+  return this.strip();
+};
+
+BN.prototype.addn = function addn(num) {
+  return this.clone().iaddn(num);
+};
+
+BN.prototype.subn = function subn(num) {
+  return this.clone().isubn(num);
+};
+
+BN.prototype.iabs = function iabs() {
+  this.sign = false;
+
+  return this;
+};
+
+BN.prototype.abs = function abs() {
+  return this.clone().iabs();
+};
+
+BN.prototype._ishlnsubmul = function _ishlnsubmul(num, mul, shift) {
+  // Bigger storage is needed
+  var len = num.length + shift;
+  var i;
+  if (this.words.length < len) {
+    var t = new Array(len);
+    for (var i = 0; i < this.length; i++)
+      t[i] = this.words[i];
+    this.words = t;
+  } else {
+    i = this.length;
+  }
+
+  // Zeroify rest
+  this.length = Math.max(this.length, len);
+  for (; i < this.length; i++)
+    this.words[i] = 0;
+
+  var carry = 0;
+  for (var i = 0; i < num.length; i++) {
+    var w = this.words[i + shift] + carry;
+    var right = num.words[i] * mul;
+    w -= right & 0x3ffffff;
+    carry = (w >> 26) - ((right / 0x4000000) | 0);
+    this.words[i + shift] = w & 0x3ffffff;
+  }
+  for (; i < this.length - shift; i++) {
+    var w = this.words[i + shift] + carry;
+    carry = w >> 26;
+    this.words[i + shift] = w & 0x3ffffff;
+  }
+
+  if (carry === 0)
+    return this.strip();
+
+  // Subtraction overflow
+  assert(carry === -1);
+  carry = 0;
+  for (var i = 0; i < this.length; i++) {
+    var w = -this.words[i] + carry;
+    carry = w >> 26;
+    this.words[i] = w & 0x3ffffff;
+  }
+  this.sign = true;
+
+  return this.strip();
+};
+
+BN.prototype._wordDiv = function _wordDiv(num, mode) {
+  var shift = this.length - num.length;
+
+  var a = this.clone();
+  var b = num;
+
+  // Normalize
+  var bhi = b.words[b.length - 1];
+  var bhiBits = this._countBits(bhi);
+  shift = 26 - bhiBits;
+  if (shift !== 0) {
+    b = b.shln(shift);
+    a.ishln(shift);
+    bhi = b.words[b.length - 1];
+  }
+
+  // Initialize quotient
+  var m = a.length - b.length;
+  var q;
+
+  if (mode !== 'mod') {
+    q = new BN(null);
+    q.length = m + 1;
+    q.words = new Array(q.length);
+    for (var i = 0; i < q.length; i++)
+      q.words[i] = 0;
+  }
+
+  var diff = a.clone()._ishlnsubmul(b, 1, m);
+  if (!diff.sign) {
+    a = diff;
+    if (q)
+      q.words[m] = 1;
+  }
+
+  for (var j = m - 1; j >= 0; j--) {
+    var qj = a.words[b.length + j] * 0x4000000 + a.words[b.length + j - 1];
+
+    // NOTE: (qj / bhi) is (0x3ffffff * 0x4000000 + 0x3ffffff) / 0x2000000 max
+    // (0x7ffffff)
+    qj = Math.min((qj / bhi) | 0, 0x3ffffff);
+
+    a._ishlnsubmul(b, qj, j);
+    while (a.sign) {
+      qj--;
+      a.sign = false;
+      a._ishlnsubmul(b, 1, j);
+      if (a.cmpn(0) !== 0)
+        a.sign = !a.sign;
+    }
+    if (q)
+      q.words[j] = qj;
+  }
+  if (q)
+    q.strip();
+  a.strip();
+
+  // Denormalize
+  if (mode !== 'div' && shift !== 0)
+    a.ishrn(shift);
+  return { div: q ? q : null, mod: a };
+};
+
+BN.prototype.divmod = function divmod(num, mode) {
+  assert(num.cmpn(0) !== 0);
+
+  if (this.sign && !num.sign) {
+    var res = this.neg().divmod(num, mode);
+    var div;
+    var mod;
+    if (mode !== 'mod')
+      div = res.div.neg();
+    if (mode !== 'div')
+      mod = res.mod.cmpn(0) === 0 ? res.mod : num.sub(res.mod);
+    return {
+      div: div,
+      mod: mod
+    };
+  } else if (!this.sign && num.sign) {
+    var res = this.divmod(num.neg(), mode);
+    var div;
+    if (mode !== 'mod')
+      div = res.div.neg();
+    return { div: div, mod: res.mod };
+  } else if (this.sign && num.sign) {
+    return this.neg().divmod(num.neg(), mode);
+  }
+
+  // Both numbers are positive at this point
+
+  // Strip both numbers to approximate shift value
+  if (num.length > this.length || this.cmp(num) < 0)
+    return { div: new BN(0), mod: this };
+
+  // Very short reduction
+  if (num.length === 1) {
+    if (mode === 'div')
+      return { div: this.divn(num.words[0]), mod: null };
+    else if (mode === 'mod')
+      return { div: null, mod: new BN(this.modn(num.words[0])) };
+    return {
+      div: this.divn(num.words[0]),
+      mod: new BN(this.modn(num.words[0]))
+    };
+  }
+
+  return this._wordDiv(num, mode);
+};
+
+// Find `this` / `num`
+BN.prototype.div = function div(num) {
+  return this.divmod(num, 'div').div;
+};
+
+// Find `this` % `num`
+BN.prototype.mod = function mod(num) {
+  return this.divmod(num, 'mod').mod;
+};
+
+// Find Round(`this` / `num`)
+BN.prototype.divRound = function divRound(num) {
+  var dm = this.divmod(num);
+
+  // Fast case - exact division
+  if (dm.mod.cmpn(0) === 0)
+    return dm.div;
+
+  var mod = dm.div.sign ? dm.mod.isub(num) : dm.mod;
+
+  var half = num.shrn(1);
+  var r2 = num.andln(1);
+  var cmp = mod.cmp(half);
+
+  // Round down
+  if (cmp < 0 || r2 === 1 && cmp === 0)
+    return dm.div;
+
+  // Round up
+  return dm.div.sign ? dm.div.isubn(1) : dm.div.iaddn(1);
+};
+
+BN.prototype.modn = function modn(num) {
+  assert(num <= 0x3ffffff);
+  var p = (1 << 26) % num;
+
+  var acc = 0;
+  for (var i = this.length - 1; i >= 0; i--)
+    acc = (p * acc + this.words[i]) % num;
+
+  return acc;
+};
+
+// In-place division by number
+BN.prototype.idivn = function idivn(num) {
+  assert(num <= 0x3ffffff);
+
+  var carry = 0;
+  for (var i = this.length - 1; i >= 0; i--) {
+    var w = this.words[i] + carry * 0x4000000;
+    this.words[i] = (w / num) | 0;
+    carry = w % num;
+  }
+
+  return this.strip();
+};
+
+BN.prototype.divn = function divn(num) {
+  return this.clone().idivn(num);
+};
+
+BN.prototype.egcd = function egcd(p) {
+  assert(!p.sign);
+  assert(p.cmpn(0) !== 0);
+
+  var x = this;
+  var y = p.clone();
+
+  if (x.sign)
+    x = x.mod(p);
+  else
+    x = x.clone();
+
+  // A * x + B * y = x
+  var A = new BN(1);
+  var B = new BN(0);
+
+  // C * x + D * y = y
+  var C = new BN(0);
+  var D = new BN(1);
+
+  var g = 0;
+
+  while (x.isEven() && y.isEven()) {
+    x.ishrn(1);
+    y.ishrn(1);
+    ++g;
+  }
+
+  var yp = y.clone();
+  var xp = x.clone();
+
+  while (x.cmpn(0) !== 0) {
+    while (x.isEven()) {
+      x.ishrn(1);
+      if (A.isEven() && B.isEven()) {
+        A.ishrn(1);
+        B.ishrn(1);
+      } else {
+        A.iadd(yp).ishrn(1);
+        B.isub(xp).ishrn(1);
+      }
+    }
+
+    while (y.isEven()) {
+      y.ishrn(1);
+      if (C.isEven() && D.isEven()) {
+        C.ishrn(1);
+        D.ishrn(1);
+      } else {
+        C.iadd(yp).ishrn(1);
+        D.isub(xp).ishrn(1);
+      }
+    }
+
+    if (x.cmp(y) >= 0) {
+      x.isub(y);
+      A.isub(C);
+      B.isub(D);
+    } else {
+      y.isub(x);
+      C.isub(A);
+      D.isub(B);
+    }
+  }
+
+  return {
+    a: C,
+    b: D,
+    gcd: y.ishln(g)
+  };
+};
+
+// This is reduced incarnation of the binary EEA
+// above, designated to invert members of the
+// _prime_ fields F(p) at a maximal speed
+BN.prototype._invmp = function _invmp(p) {
+  assert(!p.sign);
+  assert(p.cmpn(0) !== 0);
+
+  var a = this;
+  var b = p.clone();
+
+  if (a.sign)
+    a = a.mod(p);
+  else
+    a = a.clone();
+
+  var x1 = new BN(1);
+  var x2 = new BN(0);
+
+  var delta = b.clone();
+
+  while (a.cmpn(1) > 0 && b.cmpn(1) > 0) {
+    while (a.isEven()) {
+      a.ishrn(1);
+      if (x1.isEven())
+        x1.ishrn(1);
+      else
+        x1.iadd(delta).ishrn(1);
+    }
+    while (b.isEven()) {
+      b.ishrn(1);
+      if (x2.isEven())
+        x2.ishrn(1);
+      else
+        x2.iadd(delta).ishrn(1);
+    }
+    if (a.cmp(b) >= 0) {
+      a.isub(b);
+      x1.isub(x2);
+    } else {
+      b.isub(a);
+      x2.isub(x1);
+    }
+  }
+  if (a.cmpn(1) === 0)
+    return x1;
+  else
+    return x2;
+};
+
+BN.prototype.gcd = function gcd(num) {
+  if (this.cmpn(0) === 0)
+    return num.clone();
+  if (num.cmpn(0) === 0)
+    return this.clone();
+
+  var a = this.clone();
+  var b = num.clone();
+  a.sign = false;
+  b.sign = false;
+
+  // Remove common factor of two
+  for (var shift = 0; a.isEven() && b.isEven(); shift++) {
+    a.ishrn(1);
+    b.ishrn(1);
+  }
+
+  do {
+    while (a.isEven())
+      a.ishrn(1);
+    while (b.isEven())
+      b.ishrn(1);
+
+    var r = a.cmp(b);
+    if (r < 0) {
+      // Swap `a` and `b` to make `a` always bigger than `b`
+      var t = a;
+      a = b;
+      b = t;
+    } else if (r === 0 || b.cmpn(1) === 0) {
+      break;
+    }
+
+    a.isub(b);
+  } while (true);
+
+  return b.ishln(shift);
+};
+
+// Invert number in the field F(num)
+BN.prototype.invm = function invm(num) {
+  return this.egcd(num).a.mod(num);
+};
+
+BN.prototype.isEven = function isEven() {
+  return (this.words[0] & 1) === 0;
+};
+
+BN.prototype.isOdd = function isOdd() {
+  return (this.words[0] & 1) === 1;
+};
+
+// And first word and num
+BN.prototype.andln = function andln(num) {
+  return this.words[0] & num;
+};
+
+// Increment at the bit position in-line
+BN.prototype.bincn = function bincn(bit) {
+  assert(typeof bit === 'number');
+  var r = bit % 26;
+  var s = (bit - r) / 26;
+  var q = 1 << r;
+
+  // Fast case: bit is much higher than all existing words
+  if (this.length <= s) {
+    for (var i = this.length; i < s + 1; i++)
+      this.words[i] = 0;
+    this.words[s] |= q;
+    this.length = s + 1;
+    return this;
+  }
+
+  // Add bit and propagate, if needed
+  var carry = q;
+  for (var i = s; carry !== 0 && i < this.length; i++) {
+    var w = this.words[i];
+    w += carry;
+    carry = w >>> 26;
+    w &= 0x3ffffff;
+    this.words[i] = w;
+  }
+  if (carry !== 0) {
+    this.words[i] = carry;
+    this.length++;
+  }
+  return this;
+};
+
+BN.prototype.cmpn = function cmpn(num) {
+  var sign = num < 0;
+  if (sign)
+    num = -num;
+
+  if (this.sign && !sign)
+    return -1;
+  else if (!this.sign && sign)
+    return 1;
+
+  num &= 0x3ffffff;
+  this.strip();
+
+  var res;
+  if (this.length > 1) {
+    res = 1;
+  } else {
+    var w = this.words[0];
+    res = w === num ? 0 : w < num ? -1 : 1;
+  }
+  if (this.sign)
+    res = -res;
+  return res;
+};
+
+// Compare two numbers and return:
+// 1 - if `this` > `num`
+// 0 - if `this` == `num`
+// -1 - if `this` < `num`
+BN.prototype.cmp = function cmp(num) {
+  if (this.sign && !num.sign)
+    return -1;
+  else if (!this.sign && num.sign)
+    return 1;
+
+  var res = this.ucmp(num);
+  if (this.sign)
+    return -res;
+  else
+    return res;
+};
+
+// Unsigned comparison
+BN.prototype.ucmp = function ucmp(num) {
+  // At this point both numbers have the same sign
+  if (this.length > num.length)
+    return 1;
+  else if (this.length < num.length)
+    return -1;
+
+  var res = 0;
+  for (var i = this.length - 1; i >= 0; i--) {
+    var a = this.words[i];
+    var b = num.words[i];
+
+    if (a === b)
+      continue;
+    if (a < b)
+      res = -1;
+    else if (a > b)
+      res = 1;
+    break;
+  }
+  return res;
+};
+
+//
+// A reduce context, could be using montgomery or something better, depending
+// on the `m` itself.
+//
+BN.red = function red(num) {
+  return new Red(num);
+};
+
+BN.prototype.toRed = function toRed(ctx) {
+  assert(!this.red, 'Already a number in reduction context');
+  assert(!this.sign, 'red works only with positives');
+  return ctx.convertTo(this)._forceRed(ctx);
+};
+
+BN.prototype.fromRed = function fromRed() {
+  assert(this.red, 'fromRed works only with numbers in reduction context');
+  return this.red.convertFrom(this);
+};
+
+BN.prototype._forceRed = function _forceRed(ctx) {
+  this.red = ctx;
+  return this;
+};
+
+BN.prototype.forceRed = function forceRed(ctx) {
+  assert(!this.red, 'Already a number in reduction context');
+  return this._forceRed(ctx);
+};
+
+BN.prototype.redAdd = function redAdd(num) {
+  assert(this.red, 'redAdd works only with red numbers');
+  return this.red.add(this, num);
+};
+
+BN.prototype.redIAdd = function redIAdd(num) {
+  assert(this.red, 'redIAdd works only with red numbers');
+  return this.red.iadd(this, num);
+};
+
+BN.prototype.redSub = function redSub(num) {
+  assert(this.red, 'redSub works only with red numbers');
+  return this.red.sub(this, num);
+};
+
+BN.prototype.redISub = function redISub(num) {
+  assert(this.red, 'redISub works only with red numbers');
+  return this.red.isub(this, num);
+};
+
+BN.prototype.redShl = function redShl(num) {
+  assert(this.red, 'redShl works only with red numbers');
+  return this.red.shl(this, num);
+};
+
+BN.prototype.redMul = function redMul(num) {
+  assert(this.red, 'redMul works only with red numbers');
+  this.red._verify2(this, num);
+  return this.red.mul(this, num);
+};
+
+BN.prototype.redIMul = function redIMul(num) {
+  assert(this.red, 'redMul works only with red numbers');
+  this.red._verify2(this, num);
+  return this.red.imul(this, num);
+};
+
+BN.prototype.redSqr = function redSqr() {
+  assert(this.red, 'redSqr works only with red numbers');
+  this.red._verify1(this);
+  return this.red.sqr(this);
+};
+
+BN.prototype.redISqr = function redISqr() {
+  assert(this.red, 'redISqr works only with red numbers');
+  this.red._verify1(this);
+  return this.red.isqr(this);
+};
+
+// Square root over p
+BN.prototype.redSqrt = function redSqrt() {
+  assert(this.red, 'redSqrt works only with red numbers');
+  this.red._verify1(this);
+  return this.red.sqrt(this);
+};
+
+BN.prototype.redInvm = function redInvm() {
+  assert(this.red, 'redInvm works only with red numbers');
+  this.red._verify1(this);
+  return this.red.invm(this);
+};
+
+// Return negative clone of `this` % `red modulo`
+BN.prototype.redNeg = function redNeg() {
+  assert(this.red, 'redNeg works only with red numbers');
+  this.red._verify1(this);
+  return this.red.neg(this);
+};
+
+BN.prototype.redPow = function redPow(num) {
+  assert(this.red && !num.red, 'redPow(normalNum)');
+  this.red._verify1(this);
+  return this.red.pow(this, num);
+};
+
+// Prime numbers with efficient reduction
+var primes = {
+  k256: null,
+  p224: null,
+  p192: null,
+  p25519: null
+};
+
+// Pseudo-Mersenne prime
+function MPrime(name, p) {
+  // P = 2 ^ N - K
+  this.name = name;
+  this.p = new BN(p, 16);
+  this.n = this.p.bitLength();
+  this.k = new BN(1).ishln(this.n).isub(this.p);
+
+  this.tmp = this._tmp();
+}
+
+MPrime.prototype._tmp = function _tmp() {
+  var tmp = new BN(null);
+  tmp.words = new Array(Math.ceil(this.n / 13));
+  return tmp;
+};
+
+MPrime.prototype.ireduce = function ireduce(num) {
+  // Assumes that `num` is less than `P^2`
+  // num = HI * (2 ^ N - K) + HI * K + LO = HI * K + LO (mod P)
+  var r = num;
+  var rlen;
+
+  do {
+    this.split(r, this.tmp);
+    r = this.imulK(r);
+    r = r.iadd(this.tmp);
+    rlen = r.bitLength();
+  } while (rlen > this.n);
+
+  var cmp = rlen < this.n ? -1 : r.ucmp(this.p);
+  if (cmp === 0) {
+    r.words[0] = 0;
+    r.length = 1;
+  } else if (cmp > 0) {
+    r.isub(this.p);
+  } else {
+    r.strip();
+  }
+
+  return r;
+};
+
+MPrime.prototype.split = function split(input, out) {
+  input.ishrn(this.n, 0, out);
+};
+
+MPrime.prototype.imulK = function imulK(num) {
+  return num.imul(this.k);
+};
+
+function K256() {
+  MPrime.call(
+    this,
+    'k256',
+    'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f');
+}
+inherits(K256, MPrime);
+
+K256.prototype.split = function split(input, output) {
+  // 256 = 9 * 26 + 22
+  var mask = 0x3fffff;
+
+  var outLen = Math.min(input.length, 9);
+  for (var i = 0; i < outLen; i++)
+    output.words[i] = input.words[i];
+  output.length = outLen;
+
+  if (input.length <= 9) {
+    input.words[0] = 0;
+    input.length = 1;
+    return;
+  }
+
+  // Shift by 9 limbs
+  var prev = input.words[9];
+  output.words[output.length++] = prev & mask;
+
+  for (var i = 10; i < input.length; i++) {
+    var next = input.words[i];
+    input.words[i - 10] = ((next & mask) << 4) | (prev >>> 22);
+    prev = next;
+  }
+  input.words[i - 10] = prev >>> 22;
+  input.length -= 9;
+};
+
+K256.prototype.imulK = function imulK(num) {
+  // K = 0x1000003d1 = [ 0x40, 0x3d1 ]
+  num.words[num.length] = 0;
+  num.words[num.length + 1] = 0;
+  num.length += 2;
+
+  // bounded at: 0x40 * 0x3ffffff + 0x3d0 = 0x100000390
+  var hi;
+  var lo = 0;
+  for (var i = 0; i < num.length; i++) {
+    var w = num.words[i];
+    hi = w * 0x40;
+    lo += w * 0x3d1;
+    hi += (lo / 0x4000000) | 0;
+    lo &= 0x3ffffff;
+
+    num.words[i] = lo;
+
+    lo = hi;
+  }
+
+  // Fast length reduction
+  if (num.words[num.length - 1] === 0) {
+    num.length--;
+    if (num.words[num.length - 1] === 0)
+      num.length--;
+  }
+  return num;
+};
+
+function P224() {
+  MPrime.call(
+    this,
+    'p224',
+    'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001');
+}
+inherits(P224, MPrime);
+
+function P192() {
+  MPrime.call(
+    this,
+    'p192',
+    'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff');
+}
+inherits(P192, MPrime);
+
+function P25519() {
+  // 2 ^ 255 - 19
+  MPrime.call(
+    this,
+    '25519',
+    '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed');
+}
+inherits(P25519, MPrime);
+
+P25519.prototype.imulK = function imulK(num) {
+  // K = 0x13
+  var carry = 0;
+  for (var i = 0; i < num.length; i++) {
+    var hi = num.words[i] * 0x13 + carry;
+    var lo = hi & 0x3ffffff;
+    hi >>>= 26;
+
+    num.words[i] = lo;
+    carry = hi;
+  }
+  if (carry !== 0)
+    num.words[num.length++] = carry;
+  return num;
+};
+
+// Exported mostly for testing purposes, use plain name instead
+BN._prime = function prime(name) {
+  // Cached version of prime
+  if (primes[name])
+    return primes[name];
+
+  var prime;
+  if (name === 'k256')
+    prime = new K256();
+  else if (name === 'p224')
+    prime = new P224();
+  else if (name === 'p192')
+    prime = new P192();
+  else if (name === 'p25519')
+    prime = new P25519();
+  else
+    throw new Error('Unknown prime ' + name);
+  primes[name] = prime;
+
+  return prime;
+};
+
+//
+// Base reduction engine
+//
+function Red(m) {
+  if (typeof m === 'string') {
+    var prime = BN._prime(m);
+    this.m = prime.p;
+    this.prime = prime;
+  } else {
+    this.m = m;
+    this.prime = null;
+  }
+}
+
+Red.prototype._verify1 = function _verify1(a) {
+  assert(!a.sign, 'red works only with positives');
+  assert(a.red, 'red works only with red numbers');
+};
+
+Red.prototype._verify2 = function _verify2(a, b) {
+  assert(!a.sign && !b.sign, 'red works only with positives');
+  assert(a.red && a.red === b.red,
+         'red works only with red numbers');
+};
+
+Red.prototype.imod = function imod(a) {
+  if (this.prime)
+    return this.prime.ireduce(a)._forceRed(this);
+  return a.mod(this.m)._forceRed(this);
+};
+
+Red.prototype.neg = function neg(a) {
+  var r = a.clone();
+  r.sign = !r.sign;
+  return r.iadd(this.m)._forceRed(this);
+};
+
+Red.prototype.add = function add(a, b) {
+  this._verify2(a, b);
+
+  var res = a.add(b);
+  if (res.cmp(this.m) >= 0)
+    res.isub(this.m);
+  return res._forceRed(this);
+};
+
+Red.prototype.iadd = function iadd(a, b) {
+  this._verify2(a, b);
+
+  var res = a.iadd(b);
+  if (res.cmp(this.m) >= 0)
+    res.isub(this.m);
+  return res;
+};
+
+Red.prototype.sub = function sub(a, b) {
+  this._verify2(a, b);
+
+  var res = a.sub(b);
+  if (res.cmpn(0) < 0)
+    res.iadd(this.m);
+  return res._forceRed(this);
+};
+
+Red.prototype.isub = function isub(a, b) {
+  this._verify2(a, b);
+
+  var res = a.isub(b);
+  if (res.cmpn(0) < 0)
+    res.iadd(this.m);
+  return res;
+};
+
+Red.prototype.shl = function shl(a, num) {
+  this._verify1(a);
+  return this.imod(a.shln(num));
+};
+
+Red.prototype.imul = function imul(a, b) {
+  this._verify2(a, b);
+  return this.imod(a.imul(b));
+};
+
+Red.prototype.mul = function mul(a, b) {
+  this._verify2(a, b);
+  return this.imod(a.mul(b));
+};
+
+Red.prototype.isqr = function isqr(a) {
+  return this.imul(a, a);
+};
+
+Red.prototype.sqr = function sqr(a) {
+  return this.mul(a, a);
+};
+
+Red.prototype.sqrt = function sqrt(a) {
+  if (a.cmpn(0) === 0)
+    return a.clone();
+
+  var mod3 = this.m.andln(3);
+  assert(mod3 % 2 === 1);
+
+  // Fast case
+  if (mod3 === 3) {
+    var pow = this.m.add(new BN(1)).ishrn(2);
+    var r = this.pow(a, pow);
+    return r;
+  }
+
+  // Tonelli-Shanks algorithm (Totally unoptimized and slow)
+  //
+  // Find Q and S, that Q * 2 ^ S = (P - 1)
+  var q = this.m.subn(1);
+  var s = 0;
+  while (q.cmpn(0) !== 0 && q.andln(1) === 0) {
+    s++;
+    q.ishrn(1);
+  }
+  assert(q.cmpn(0) !== 0);
+
+  var one = new BN(1).toRed(this);
+  var nOne = one.redNeg();
+
+  // Find quadratic non-residue
+  // NOTE: Max is such because of generalized Riemann hypothesis.
+  var lpow = this.m.subn(1).ishrn(1);
+  var z = this.m.bitLength();
+  z = new BN(2 * z * z).toRed(this);
+  while (this.pow(z, lpow).cmp(nOne) !== 0)
+    z.redIAdd(nOne);
+
+  var c = this.pow(z, q);
+  var r = this.pow(a, q.addn(1).ishrn(1));
+  var t = this.pow(a, q);
+  var m = s;
+  while (t.cmp(one) !== 0) {
+    var tmp = t;
+    for (var i = 0; tmp.cmp(one) !== 0; i++)
+      tmp = tmp.redSqr();
+    assert(i < m);
+    var b = this.pow(c, new BN(1).ishln(m - i - 1));
+
+    r = r.redMul(b);
+    c = b.redSqr();
+    t = t.redMul(c);
+    m = i;
+  }
+
+  return r;
+};
+
+Red.prototype.invm = function invm(a) {
+  var inv = a._invmp(this.m);
+  if (inv.sign) {
+    inv.sign = false;
+    return this.imod(inv).redNeg();
+  } else {
+    return this.imod(inv);
+  }
+};
+
+Red.prototype.pow = function pow(a, num) {
+  var w = [];
+
+  if (num.cmpn(0) === 0)
+    return new BN(1);
+
+  var q = num.clone();
+
+  while (q.cmpn(0) !== 0) {
+    w.push(q.andln(1));
+    q.ishrn(1);
+  }
+
+  // Skip leading zeroes
+  var res = a;
+  for (var i = 0; i < w.length; i++, res = this.sqr(res))
+    if (w[i] !== 0)
+      break;
+
+  if (++i < w.length) {
+    for (var q = this.sqr(res); i < w.length; i++, q = this.sqr(q)) {
+      if (w[i] === 0)
+        continue;
+      res = this.mul(res, q);
+    }
+  }
+
+  return res;
+};
+
+Red.prototype.convertTo = function convertTo(num) {
+  return num.clone();
+};
+
+Red.prototype.convertFrom = function convertFrom(num) {
+  var res = num.clone();
+  res.red = null;
+  return res;
+};
+
+//
+// Montgomery method engine
+//
+
+BN.mont = function mont(num) {
+  return new Mont(num);
+};
+
+function Mont(m) {
+  Red.call(this, m);
+
+  this.shift = this.m.bitLength();
+  if (this.shift % 26 !== 0)
+    this.shift += 26 - (this.shift % 26);
+  this.r = new BN(1).ishln(this.shift);
+  this.r2 = this.imod(this.r.sqr());
+  this.rinv = this.r._invmp(this.m);
+
+  this.minv = this.rinv.mul(this.r).isubn(1).div(this.m);
+  this.minv.sign = true;
+  this.minv = this.minv.mod(this.r);
+}
+inherits(Mont, Red);
+
+Mont.prototype.convertTo = function convertTo(num) {
+  return this.imod(num.shln(this.shift));
+};
+
+Mont.prototype.convertFrom = function convertFrom(num) {
+  var r = this.imod(num.mul(this.rinv));
+  r.red = null;
+  return r;
+};
+
+Mont.prototype.imul = function imul(a, b) {
+  if (a.cmpn(0) === 0 || b.cmpn(0) === 0) {
+    a.words[0] = 0;
+    a.length = 1;
+    return a;
+  }
+
+  var t = a.imul(b);
+  var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
+  var u = t.isub(c).ishrn(this.shift);
+  var res = u;
+  if (u.cmp(this.m) >= 0)
+    res = u.isub(this.m);
+  else if (u.cmpn(0) < 0)
+    res = u.iadd(this.m);
+
+  return res._forceRed(this);
+};
+
+Mont.prototype.mul = function mul(a, b) {
+  if (a.cmpn(0) === 0 || b.cmpn(0) === 0)
+    return new BN(0)._forceRed(this);
+
+  var t = a.mul(b);
+  var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
+  var u = t.isub(c).ishrn(this.shift);
+  var res = u;
+  if (u.cmp(this.m) >= 0)
+    res = u.isub(this.m);
+  else if (u.cmpn(0) < 0)
+    res = u.iadd(this.m);
+
+  return res._forceRed(this);
+};
+
+Mont.prototype.invm = function invm(a) {
+  // (AR)^-1 * R^2 = (A^-1 * R^-1) * R^2 = A^-1 * R
+  var res = this.imod(a._invmp(this.m).mul(this.r2));
+  return res._forceRed(this);
+};
+
+})(typeof module === 'undefined' || module, this);
+
+},{}],20:[function(require,module,exports){
+var r;
+
+module.exports = function rand(len) {
+  if (!r)
+    r = new Rand(null);
+
+  return r.generate(len);
+};
+
+function Rand(rand) {
+  this.rand = rand;
+}
+module.exports.Rand = Rand;
+
+Rand.prototype.generate = function generate(len) {
+  return this._rand(len);
+};
+
+// Emulate crypto API using randy
+Rand.prototype._rand = function _rand(n) {
+  if (this.rand.getBytes)
+    return this.rand.getBytes(n);
+
+  var res = new Uint8Array(n);
+  for (var i = 0; i < res.length; i++)
+    res[i] = this.rand.getByte();
+  return res;
+};
+
+if (typeof self === 'object') {
+  if (self.crypto && self.crypto.getRandomValues) {
+    // Modern browsers
+    Rand.prototype._rand = function _rand(n) {
+      var arr = new Uint8Array(n);
+      self.crypto.getRandomValues(arr);
+      return arr;
+    };
+  } else if (self.msCrypto && self.msCrypto.getRandomValues) {
+    // IE
+    Rand.prototype._rand = function _rand(n) {
+      var arr = new Uint8Array(n);
+      self.msCrypto.getRandomValues(arr);
+      return arr;
+    };
+
+  // Safari's WebWorkers do not have `crypto`
+  } else if (typeof window === 'object') {
+    // Old junk
+    Rand.prototype._rand = function() {
+      throw new Error('Not implemented yet');
+    };
+  }
+} else {
+  // Node.js or Web worker with no crypto support
+  try {
+    var crypto = require('crypto');
+    if (typeof crypto.randomBytes !== 'function')
+      throw new Error('Not supported');
+
+    Rand.prototype._rand = function _rand(n) {
+      return crypto.randomBytes(n);
+    };
+  } catch (e) {
+  }
+}
+
+},{"crypto":21}],21:[function(require,module,exports){
+
+},{}],22:[function(require,module,exports){
+// based on the aes implimentation in triple sec
+// https://github.com/keybase/triplesec
+// which is in turn based on the one from crypto-js
+// https://code.google.com/p/crypto-js/
+
+var Buffer = require('safe-buffer').Buffer
+
+function asUInt32Array (buf) {
+  if (!Buffer.isBuffer(buf)) buf = Buffer.from(buf)
+
+  var len = (buf.length / 4) | 0
+  var out = new Array(len)
+
+  for (var i = 0; i < len; i++) {
+    out[i] = buf.readUInt32BE(i * 4)
+  }
+
+  return out
+}
+
+function scrubVec (v) {
+  for (var i = 0; i < v.length; v++) {
+    v[i] = 0
+  }
+}
+
+function cryptBlock (M, keySchedule, SUB_MIX, SBOX, nRounds) {
+  var SUB_MIX0 = SUB_MIX[0]
+  var SUB_MIX1 = SUB_MIX[1]
+  var SUB_MIX2 = SUB_MIX[2]
+  var SUB_MIX3 = SUB_MIX[3]
+
+  var s0 = M[0] ^ keySchedule[0]
+  var s1 = M[1] ^ keySchedule[1]
+  var s2 = M[2] ^ keySchedule[2]
+  var s3 = M[3] ^ keySchedule[3]
+  var t0, t1, t2, t3
+  var ksRow = 4
+
+  for (var round = 1; round < nRounds; round++) {
+    t0 = SUB_MIX0[s0 >>> 24] ^ SUB_MIX1[(s1 >>> 16) & 0xff] ^ SUB_MIX2[(s2 >>> 8) & 0xff] ^ SUB_MIX3[s3 & 0xff] ^ keySchedule[ksRow++]
+    t1 = SUB_MIX0[s1 >>> 24] ^ SUB_MIX1[(s2 >>> 16) & 0xff] ^ SUB_MIX2[(s3 >>> 8) & 0xff] ^ SUB_MIX3[s0 & 0xff] ^ keySchedule[ksRow++]
+    t2 = SUB_MIX0[s2 >>> 24] ^ SUB_MIX1[(s3 >>> 16) & 0xff] ^ SUB_MIX2[(s0 >>> 8) & 0xff] ^ SUB_MIX3[s1 & 0xff] ^ keySchedule[ksRow++]
+    t3 = SUB_MIX0[s3 >>> 24] ^ SUB_MIX1[(s0 >>> 16) & 0xff] ^ SUB_MIX2[(s1 >>> 8) & 0xff] ^ SUB_MIX3[s2 & 0xff] ^ keySchedule[ksRow++]
+    s0 = t0
+    s1 = t1
+    s2 = t2
+    s3 = t3
+  }
+
+  t0 = ((SBOX[s0 >>> 24] << 24) | (SBOX[(s1 >>> 16) & 0xff] << 16) | (SBOX[(s2 >>> 8) & 0xff] << 8) | SBOX[s3 & 0xff]) ^ keySchedule[ksRow++]
+  t1 = ((SBOX[s1 >>> 24] << 24) | (SBOX[(s2 >>> 16) & 0xff] << 16) | (SBOX[(s3 >>> 8) & 0xff] << 8) | SBOX[s0 & 0xff]) ^ keySchedule[ksRow++]
+  t2 = ((SBOX[s2 >>> 24] << 24) | (SBOX[(s3 >>> 16) & 0xff] << 16) | (SBOX[(s0 >>> 8) & 0xff] << 8) | SBOX[s1 & 0xff]) ^ keySchedule[ksRow++]
+  t3 = ((SBOX[s3 >>> 24] << 24) | (SBOX[(s0 >>> 16) & 0xff] << 16) | (SBOX[(s1 >>> 8) & 0xff] << 8) | SBOX[s2 & 0xff]) ^ keySchedule[ksRow++]
+  t0 = t0 >>> 0
+  t1 = t1 >>> 0
+  t2 = t2 >>> 0
+  t3 = t3 >>> 0
+
+  return [t0, t1, t2, t3]
+}
+
+// AES constants
+var RCON = [0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36]
+var G = (function () {
+  // Compute double table
+  var d = new Array(256)
+  for (var j = 0; j < 256; j++) {
+    if (j < 128) {
+      d[j] = j << 1
+    } else {
+      d[j] = (j << 1) ^ 0x11b
+    }
+  }
+
+  var SBOX = []
+  var INV_SBOX = []
+  var SUB_MIX = [[], [], [], []]
+  var INV_SUB_MIX = [[], [], [], []]
+
+  // Walk GF(2^8)
+  var x = 0
+  var xi = 0
+  for (var i = 0; i < 256; ++i) {
+    // Compute sbox
+    var sx = xi ^ (xi << 1) ^ (xi << 2) ^ (xi << 3) ^ (xi << 4)
+    sx = (sx >>> 8) ^ (sx & 0xff) ^ 0x63
+    SBOX[x] = sx
+    INV_SBOX[sx] = x
+
+    // Compute multiplication
+    var x2 = d[x]
+    var x4 = d[x2]
+    var x8 = d[x4]
+
+    // Compute sub bytes, mix columns tables
+    var t = (d[sx] * 0x101) ^ (sx * 0x1010100)
+    SUB_MIX[0][x] = (t << 24) | (t >>> 8)
+    SUB_MIX[1][x] = (t << 16) | (t >>> 16)
+    SUB_MIX[2][x] = (t << 8) | (t >>> 24)
+    SUB_MIX[3][x] = t
+
+    // Compute inv sub bytes, inv mix columns tables
+    t = (x8 * 0x1010101) ^ (x4 * 0x10001) ^ (x2 * 0x101) ^ (x * 0x1010100)
+    INV_SUB_MIX[0][sx] = (t << 24) | (t >>> 8)
+    INV_SUB_MIX[1][sx] = (t << 16) | (t >>> 16)
+    INV_SUB_MIX[2][sx] = (t << 8) | (t >>> 24)
+    INV_SUB_MIX[3][sx] = t
+
+    if (x === 0) {
+      x = xi = 1
+    } else {
+      x = x2 ^ d[d[d[x8 ^ x2]]]
+      xi ^= d[d[xi]]
+    }
+  }
+
+  return {
+    SBOX: SBOX,
+    INV_SBOX: INV_SBOX,
+    SUB_MIX: SUB_MIX,
+    INV_SUB_MIX: INV_SUB_MIX
+  }
+})()
+
+function AES (key) {
+  this._key = asUInt32Array(key)
+  this._reset()
+}
+
+AES.blockSize = 4 * 4
+AES.keySize = 256 / 8
+AES.prototype.blockSize = AES.blockSize
+AES.prototype.keySize = AES.keySize
+AES.prototype._reset = function () {
+  var keyWords = this._key
+  var keySize = keyWords.length
+  var nRounds = keySize + 6
+  var ksRows = (nRounds + 1) * 4
+
+  var keySchedule = []
+  for (var k = 0; k < keySize; k++) {
+    keySchedule[k] = keyWords[k]
+  }
+
+  for (k = keySize; k < ksRows; k++) {
+    var t = keySchedule[k - 1]
+
+    if (k % keySize === 0) {
+      t = (t << 8) | (t >>> 24)
+      t =
+        (G.SBOX[t >>> 24] << 24) |
+        (G.SBOX[(t >>> 16) & 0xff] << 16) |
+        (G.SBOX[(t >>> 8) & 0xff] << 8) |
+        (G.SBOX[t & 0xff])
+
+      t ^= RCON[(k / keySize) | 0] << 24
+    } else if (keySize > 6 && k % keySize === 4) {
+      t =
+        (G.SBOX[t >>> 24] << 24) |
+        (G.SBOX[(t >>> 16) & 0xff] << 16) |
+        (G.SBOX[(t >>> 8) & 0xff] << 8) |
+        (G.SBOX[t & 0xff])
+    }
+
+    keySchedule[k] = keySchedule[k - keySize] ^ t
+  }
+
+  var invKeySchedule = []
+  for (var ik = 0; ik < ksRows; ik++) {
+    var ksR = ksRows - ik
+    var tt = keySchedule[ksR - (ik % 4 ? 0 : 4)]
+
+    if (ik < 4 || ksR <= 4) {
+      invKeySchedule[ik] = tt
+    } else {
+      invKeySchedule[ik] =
+        G.INV_SUB_MIX[0][G.SBOX[tt >>> 24]] ^
+        G.INV_SUB_MIX[1][G.SBOX[(tt >>> 16) & 0xff]] ^
+        G.INV_SUB_MIX[2][G.SBOX[(tt >>> 8) & 0xff]] ^
+        G.INV_SUB_MIX[3][G.SBOX[tt & 0xff]]
+    }
+  }
+
+  this._nRounds = nRounds
+  this._keySchedule = keySchedule
+  this._invKeySchedule = invKeySchedule
+}
+
+AES.prototype.encryptBlockRaw = function (M) {
+  M = asUInt32Array(M)
+  return cryptBlock(M, this._keySchedule, G.SUB_MIX, G.SBOX, this._nRounds)
+}
+
+AES.prototype.encryptBlock = function (M) {
+  var out = this.encryptBlockRaw(M)
+  var buf = Buffer.allocUnsafe(16)
+  buf.writeUInt32BE(out[0], 0)
+  buf.writeUInt32BE(out[1], 4)
+  buf.writeUInt32BE(out[2], 8)
+  buf.writeUInt32BE(out[3], 12)
+  return buf
+}
+
+AES.prototype.decryptBlock = function (M) {
+  M = asUInt32Array(M)
+
+  // swap
+  var m1 = M[1]
+  M[1] = M[3]
+  M[3] = m1
+
+  var out = cryptBlock(M, this._invKeySchedule, G.INV_SUB_MIX, G.INV_SBOX, this._nRounds)
+  var buf = Buffer.allocUnsafe(16)
+  buf.writeUInt32BE(out[0], 0)
+  buf.writeUInt32BE(out[3], 4)
+  buf.writeUInt32BE(out[2], 8)
+  buf.writeUInt32BE(out[1], 12)
+  return buf
+}
+
+AES.prototype.scrub = function () {
+  scrubVec(this._keySchedule)
+  scrubVec(this._invKeySchedule)
+  scrubVec(this._key)
+}
+
+module.exports.AES = AES
+
+},{"safe-buffer":195}],23:[function(require,module,exports){
+var aes = require('./aes')
+var Buffer = require('safe-buffer').Buffer
+var Transform = require('cipher-base')
+var inherits = require('inherits')
+var GHASH = require('./ghash')
+var xor = require('buffer-xor')
+var incr32 = require('./incr32')
+
+function xorTest (a, b) {
+  var out = 0
+  if (a.length !== b.length) out++
+
+  var len = Math.min(a.length, b.length)
+  for (var i = 0; i < len; ++i) {
+    out += (a[i] ^ b[i])
+  }
+
+  return out
+}
+
+function calcIv (self, iv, ck) {
+  if (iv.length === 12) {
+    self._finID = Buffer.concat([iv, Buffer.from([0, 0, 0, 1])])
+    return Buffer.concat([iv, Buffer.from([0, 0, 0, 2])])
+  }
+  var ghash = new GHASH(ck)
+  var len = iv.length
+  var toPad = len % 16
+  ghash.update(iv)
+  if (toPad) {
+    toPad = 16 - toPad
+    ghash.update(Buffer.alloc(toPad, 0))
+  }
+  ghash.update(Buffer.alloc(8, 0))
+  var ivBits = len * 8
+  var tail = Buffer.alloc(8)
+  tail.writeUIntBE(ivBits, 0, 8)
+  ghash.update(tail)
+  self._finID = ghash.state
+  var out = Buffer.from(self._finID)
+  incr32(out)
+  return out
+}
+function StreamCipher (mode, key, iv, decrypt) {
+  Transform.call(this)
+
+  var h = Buffer.alloc(4, 0)
+
+  this._cipher = new aes.AES(key)
+  var ck = this._cipher.encryptBlock(h)
+  this._ghash = new GHASH(ck)
+  iv = calcIv(this, iv, ck)
+
+  this._prev = Buffer.from(iv)
+  this._cache = Buffer.allocUnsafe(0)
+  this._secCache = Buffer.allocUnsafe(0)
+  this._decrypt = decrypt
+  this._alen = 0
+  this._len = 0
+  this._mode = mode
+
+  this._authTag = null
+  this._called = false
+}
+
+inherits(StreamCipher, Transform)
+
+StreamCipher.prototype._update = function (chunk) {
+  if (!this._called && this._alen) {
+    var rump = 16 - (this._alen % 16)
+    if (rump < 16) {
+      rump = Buffer.alloc(rump, 0)
+      this._ghash.update(rump)
+    }
+  }
+
+  this._called = true
+  var out = this._mode.encrypt(this, chunk)
+  if (this._decrypt) {
+    this._ghash.update(chunk)
+  } else {
+    this._ghash.update(out)
+  }
+  this._len += chunk.length
+  return out
+}
+
+StreamCipher.prototype._final = function () {
+  if (this._decrypt && !this._authTag) throw new Error('Unsupported state or unable to authenticate data')
+
+  var tag = xor(this._ghash.final(this._alen * 8, this._len * 8), this._cipher.encryptBlock(this._finID))
+  if (this._decrypt && xorTest(tag, this._authTag)) throw new Error('Unsupported state or unable to authenticate data')
+
+  this._authTag = tag
+  this._cipher.scrub()
+}
+
+StreamCipher.prototype.getAuthTag = function getAuthTag () {
+  if (this._decrypt || !Buffer.isBuffer(this._authTag)) throw new Error('Attempting to get auth tag in unsupported state')
+
+  return this._authTag
+}
+
+StreamCipher.prototype.setAuthTag = function setAuthTag (tag) {
+  if (!this._decrypt) throw new Error('Attempting to set auth tag in unsupported state')
+
+  this._authTag = tag
+}
+
+StreamCipher.prototype.setAAD = function setAAD (buf) {
+  if (this._called) throw new Error('Attempting to set AAD in unsupported state')
+
+  this._ghash.update(buf)
+  this._alen += buf.length
+}
+
+module.exports = StreamCipher
+
+},{"./aes":22,"./ghash":27,"./incr32":28,"buffer-xor":69,"cipher-base":75,"inherits":145,"safe-buffer":195}],24:[function(require,module,exports){
+var ciphers = require('./encrypter')
+var deciphers = require('./decrypter')
+var modes = require('./modes/list.json')
+
+function getCiphers () {
+  return Object.keys(modes)
+}
+
+exports.createCipher = exports.Cipher = ciphers.createCipher
+exports.createCipheriv = exports.Cipheriv = ciphers.createCipheriv
+exports.createDecipher = exports.Decipher = deciphers.createDecipher
+exports.createDecipheriv = exports.Decipheriv = deciphers.createDecipheriv
+exports.listCiphers = exports.getCiphers = getCiphers
+
+},{"./decrypter":25,"./encrypter":26,"./modes/list.json":36}],25:[function(require,module,exports){
+var AuthCipher = require('./authCipher')
+var Buffer = require('safe-buffer').Buffer
+var MODES = require('./modes')
+var StreamCipher = require('./streamCipher')
+var Transform = require('cipher-base')
+var aes = require('./aes')
+var ebtk = require('evp_bytestokey')
+var inherits = require('inherits')
+
+function Decipher (mode, key, iv) {
+  Transform.call(this)
+
+  this._cache = new Splitter()
+  this._last = void 0
+  this._cipher = new aes.AES(key)
+  this._prev = Buffer.from(iv)
+  this._mode = mode
+  this._autopadding = true
+}
+
+inherits(Decipher, Transform)
+
+Decipher.prototype._update = function (data) {
+  this._cache.add(data)
+  var chunk
+  var thing
+  var out = []
+  while ((chunk = this._cache.get(this._autopadding))) {
+    thing = this._mode.decrypt(this, chunk)
+    out.push(thing)
+  }
+  return Buffer.concat(out)
+}
+
+Decipher.prototype._final = function () {
+  var chunk = this._cache.flush()
+  if (this._autopadding) {
+    return unpad(this._mode.decrypt(this, chunk))
+  } else if (chunk) {
+    throw new Error('data not multiple of block length')
+  }
+}
+
+Decipher.prototype.setAutoPadding = function (setTo) {
+  this._autopadding = !!setTo
+  return this
+}
+
+function Splitter () {
+  this.cache = Buffer.allocUnsafe(0)
+}
+
+Splitter.prototype.add = function (data) {
+  this.cache = Buffer.concat([this.cache, data])
+}
+
+Splitter.prototype.get = function (autoPadding) {
+  var out
+  if (autoPadding) {
+    if (this.cache.length > 16) {
+      out = this.cache.slice(0, 16)
+      this.cache = this.cache.slice(16)
+      return out
+    }
+  } else {
+    if (this.cache.length >= 16) {
+      out = this.cache.slice(0, 16)
+      this.cache = this.cache.slice(16)
+      return out
+    }
+  }
+
+  return null
+}
+
+Splitter.prototype.flush = function () {
+  if (this.cache.length) return this.cache
+}
+
+function unpad (last) {
+  var padded = last[15]
+  var i = -1
+  while (++i < padded) {
+    if (last[(i + (16 - padded))] !== padded) {
+      throw new Error('unable to decrypt data')
+    }
+  }
+  if (padded === 16) return
+
+  return last.slice(0, 16 - padded)
+}
+
+function createDecipheriv (suite, password, iv) {
+  var config = MODES[suite.toLowerCase()]
+  if (!config) throw new TypeError('invalid suite type')
+
+  if (typeof iv === 'string') iv = Buffer.from(iv)
+  if (config.mode !== 'GCM' && iv.length !== config.iv) throw new TypeError('invalid iv length ' + iv.length)
+
+  if (typeof password === 'string') password = Buffer.from(password)
+  if (password.length !== config.key / 8) throw new TypeError('invalid key length ' + password.length)
+
+  if (config.type === 'stream') {
+    return new StreamCipher(config.module, password, iv, true)
+  } else if (config.type === 'auth') {
+    return new AuthCipher(config.module, password, iv, true)
+  }
+
+  return new Decipher(config.module, password, iv)
+}
+
+function createDecipher (suite, password) {
+  var config = MODES[suite.toLowerCase()]
+  if (!config) throw new TypeError('invalid suite type')
+
+  var keys = ebtk(password, false, config.key, config.iv)
+  return createDecipheriv(suite, keys.key, keys.iv)
+}
+
+exports.createDecipher = createDecipher
+exports.createDecipheriv = createDecipheriv
+
+},{"./aes":22,"./authCipher":23,"./modes":35,"./streamCipher":38,"cipher-base":75,"evp_bytestokey":127,"inherits":145,"safe-buffer":195}],26:[function(require,module,exports){
+var MODES = require('./modes')
+var AuthCipher = require('./authCipher')
+var Buffer = require('safe-buffer').Buffer
+var StreamCipher = require('./streamCipher')
+var Transform = require('cipher-base')
+var aes = require('./aes')
+var ebtk = require('evp_bytestokey')
+var inherits = require('inherits')
+
+function Cipher (mode, key, iv) {
+  Transform.call(this)
+
+  this._cache = new Splitter()
+  this._cipher = new aes.AES(key)
+  this._prev = Buffer.from(iv)
+  this._mode = mode
+  this._autopadding = true
+}
+
+inherits(Cipher, Transform)
+
+Cipher.prototype._update = function (data) {
+  this._cache.add(data)
+  var chunk
+  var thing
+  var out = []
+
+  while ((chunk = this._cache.get())) {
+    thing = this._mode.encrypt(this, chunk)
+    out.push(thing)
+  }
+
+  return Buffer.concat(out)
+}
+
+var PADDING = Buffer.alloc(16, 0x10)
+
+Cipher.prototype._final = function () {
+  var chunk = this._cache.flush()
+  if (this._autopadding) {
+    chunk = this._mode.encrypt(this, chunk)
+    this._cipher.scrub()
+    return chunk
+  }
+
+  if (!chunk.equals(PADDING)) {
+    this._cipher.scrub()
+    throw new Error('data not multiple of block length')
+  }
+}
+
+Cipher.prototype.setAutoPadding = function (setTo) {
+  this._autopadding = !!setTo
+  return this
+}
+
+function Splitter () {
+  this.cache = Buffer.allocUnsafe(0)
+}
+
+Splitter.prototype.add = function (data) {
+  this.cache = Buffer.concat([this.cache, data])
+}
+
+Splitter.prototype.get = function () {
+  if (this.cache.length > 15) {
+    var out = this.cache.slice(0, 16)
+    this.cache = this.cache.slice(16)
+    return out
+  }
+  return null
+}
+
+Splitter.prototype.flush = function () {
+  var len = 16 - this.cache.length
+  var padBuff = Buffer.allocUnsafe(len)
+
+  var i = -1
+  while (++i < len) {
+    padBuff.writeUInt8(len, i)
+  }
+
+  return Buffer.concat([this.cache, padBuff])
+}
+
+function createCipheriv (suite, password, iv) {
+  var config = MODES[suite.toLowerCase()]
+  if (!config) throw new TypeError('invalid suite type')
+
+  if (typeof password === 'string') password = Buffer.from(password)
+  if (password.length !== config.key / 8) throw new TypeError('invalid key length ' + password.length)
+
+  if (typeof iv === 'string') iv = Buffer.from(iv)
+  if (config.mode !== 'GCM' && iv.length !== config.iv) throw new TypeError('invalid iv length ' + iv.length)
+
+  if (config.type === 'stream') {
+    return new StreamCipher(config.module, password, iv)
+  } else if (config.type === 'auth') {
+    return new AuthCipher(config.module, password, iv)
+  }
+
+  return new Cipher(config.module, password, iv)
+}
+
+function createCipher (suite, password) {
+  var config = MODES[suite.toLowerCase()]
+  if (!config) throw new TypeError('invalid suite type')
+
+  var keys = ebtk(password, false, config.key, config.iv)
+  return createCipheriv(suite, keys.key, keys.iv)
+}
+
+exports.createCipheriv = createCipheriv
+exports.createCipher = createCipher
+
+},{"./aes":22,"./authCipher":23,"./modes":35,"./streamCipher":38,"cipher-base":75,"evp_bytestokey":127,"inherits":145,"safe-buffer":195}],27:[function(require,module,exports){
+var Buffer = require('safe-buffer').Buffer
+var ZEROES = Buffer.alloc(16, 0)
+
+function toArray (buf) {
+  return [
+    buf.readUInt32BE(0),
+    buf.readUInt32BE(4),
+    buf.readUInt32BE(8),
+    buf.readUInt32BE(12)
+  ]
+}
+
+function fromArray (out) {
+  var buf = Buffer.allocUnsafe(16)
+  buf.writeUInt32BE(out[0] >>> 0, 0)
+  buf.writeUInt32BE(out[1] >>> 0, 4)
+  buf.writeUInt32BE(out[2] >>> 0, 8)
+  buf.writeUInt32BE(out[3] >>> 0, 12)
+  return buf
+}
+
+function GHASH (key) {
+  this.h = key
+  this.state = Buffer.alloc(16, 0)
+  this.cache = Buffer.allocUnsafe(0)
+}
+
+// from http://bitwiseshiftleft.github.io/sjcl/doc/symbols/src/core_gcm.js.html
+// by Juho Vähä-Herttua
+GHASH.prototype.ghash = function (block) {
+  var i = -1
+  while (++i < block.length) {
+    this.state[i] ^= block[i]
+  }
+  this._multiply()
+}
+
+GHASH.prototype._multiply = function () {
+  var Vi = toArray(this.h)
+  var Zi = [0, 0, 0, 0]
+  var j, xi, lsbVi
+  var i = -1
+  while (++i < 128) {
+    xi = (this.state[~~(i / 8)] & (1 << (7 - (i % 8)))) !== 0
+    if (xi) {
+      // Z_i+1 = Z_i ^ V_i
+      Zi[0] ^= Vi[0]
+      Zi[1] ^= Vi[1]
+      Zi[2] ^= Vi[2]
+      Zi[3] ^= Vi[3]
+    }
+
+    // Store the value of LSB(V_i)
+    lsbVi = (Vi[3] & 1) !== 0
+
+    // V_i+1 = V_i >> 1
+    for (j = 3; j > 0; j--) {
+      Vi[j] = (Vi[j] >>> 1) | ((Vi[j - 1] & 1) << 31)
+    }
+    Vi[0] = Vi[0] >>> 1
+
+    // If LSB(V_i) is 1, V_i+1 = (V_i >> 1) ^ R
+    if (lsbVi) {
+      Vi[0] = Vi[0] ^ (0xe1 << 24)
+    }
+  }
+  this.state = fromArray(Zi)
+}
+
+GHASH.prototype.update = function (buf) {
+  this.cache = Buffer.concat([this.cache, buf])
+  var chunk
+  while (this.cache.length >= 16) {
+    chunk = this.cache.slice(0, 16)
+    this.cache = this.cache.slice(16)
+    this.ghash(chunk)
+  }
+}
+
+GHASH.prototype.final = function (abl, bl) {
+  if (this.cache.length) {
+    this.ghash(Buffer.concat([this.cache, ZEROES], 16))
+  }
+
+  this.ghash(fromArray([0, abl, 0, bl]))
+  return this.state
+}
+
+module.exports = GHASH
+
+},{"safe-buffer":195}],28:[function(require,module,exports){
+function incr32 (iv) {
+  var len = iv.length
+  var item
+  while (len--) {
+    item = iv.readUInt8(len)
+    if (item === 255) {
+      iv.writeUInt8(0, len)
+    } else {
+      item++
+      iv.writeUInt8(item, len)
+      break
+    }
+  }
+}
+module.exports = incr32
+
+},{}],29:[function(require,module,exports){
+var xor = require('buffer-xor')
+
+exports.encrypt = function (self, block) {
+  var data = xor(block, self._prev)
+
+  self._prev = self._cipher.encryptBlock(data)
+  return self._prev
+}
+
+exports.decrypt = function (self, block) {
+  var pad = self._prev
+
+  self._prev = block
+  var out = self._cipher.decryptBlock(block)
+
+  return xor(out, pad)
+}
+
+},{"buffer-xor":69}],30:[function(require,module,exports){
+var Buffer = require('safe-buffer').Buffer
+var xor = require('buffer-xor')
+
+function encryptStart (self, data, decrypt) {
+  var len = data.length
+  var out = xor(data, self._cache)
+  self._cache = self._cache.slice(len)
+  self._prev = Buffer.concat([self._prev, decrypt ? data : out])
+  return out
+}
+
+exports.encrypt = function (self, data, decrypt) {
+  var out = Buffer.allocUnsafe(0)
+  var len
+
+  while (data.length) {
+    if (self._cache.length === 0) {
+      self._cache = self._cipher.encryptBlock(self._prev)
+      self._prev = Buffer.allocUnsafe(0)
+    }
+
+    if (self._cache.length <= data.length) {
+      len = self._cache.length
+      out = Buffer.concat([out, encryptStart(self, data.slice(0, len), decrypt)])
+      data = data.slice(len)
+    } else {
+      out = Buffer.concat([out, encryptStart(self, data, decrypt)])
+      break
+    }
+  }
+
+  return out
+}
+
+},{"buffer-xor":69,"safe-buffer":195}],31:[function(require,module,exports){
+var Buffer = require('safe-buffer').Buffer
+
+function encryptByte (self, byteParam, decrypt) {
+  var pad
+  var i = -1
+  var len = 8
+  var out = 0
+  var bit, value
+  while (++i < len) {
+    pad = self._cipher.encryptBlock(self._prev)
+    bit = (byteParam & (1 << (7 - i))) ? 0x80 : 0
+    value = pad[0] ^ bit
+    out += ((value & 0x80) >> (i % 8))
+    self._prev = shiftIn(self._prev, decrypt ? bit : value)
+  }
+  return out
+}
+
+function shiftIn (buffer, value) {
+  var len = buffer.length
+  var i = -1
+  var out = Buffer.allocUnsafe(buffer.length)
+  buffer = Buffer.concat([buffer, Buffer.from([value])])
+
+  while (++i < len) {
+    out[i] = buffer[i] << 1 | buffer[i + 1] >> (7)
+  }
+
+  return out
+}
+
+exports.encrypt = function (self, chunk, decrypt) {
+  var len = chunk.length
+  var out = Buffer.allocUnsafe(len)
+  var i = -1
+
+  while (++i < len) {
+    out[i] = encryptByte(self, chunk[i], decrypt)
+  }
+
+  return out
+}
+
+},{"safe-buffer":195}],32:[function(require,module,exports){
+var Buffer = require('safe-buffer').Buffer
+
+function encryptByte (self, byteParam, decrypt) {
+  var pad = self._cipher.encryptBlock(self._prev)
+  var out = pad[0] ^ byteParam
+
+  self._prev = Buffer.concat([
+    self._prev.slice(1),
+    Buffer.from([decrypt ? byteParam : out])
+  ])
+
+  return out
+}
+
+exports.encrypt = function (self, chunk, decrypt) {
+  var len = chunk.length
+  var out = Buffer.allocUnsafe(len)
+  var i = -1
+
+  while (++i < len) {
+    out[i] = encryptByte(self, chunk[i], decrypt)
+  }
+
+  return out
+}
+
+},{"safe-buffer":195}],33:[function(require,module,exports){
+var xor = require('buffer-xor')
+var Buffer = require('safe-buffer').Buffer
+var incr32 = require('../incr32')
+
+function getBlock (self) {
+  var out = self._cipher.encryptBlockRaw(self._prev)
+  incr32(self._prev)
+  return out
+}
+
+var blockSize = 16
+exports.encrypt = function (self, chunk) {
+  var chunkNum = Math.ceil(chunk.length / blockSize)
+  var start = self._cache.length
+  self._cache = Buffer.concat([
+    self._cache,
+    Buffer.allocUnsafe(chunkNum * blockSize)
+  ])
+  for (var i = 0; i < chunkNum; i++) {
+    var out = getBlock(self)
+    var offset = start + i * blockSize
+    self._cache.writeUInt32BE(out[0], offset + 0)
+    self._cache.writeUInt32BE(out[1], offset + 4)
+    self._cache.writeUInt32BE(out[2], offset + 8)
+    self._cache.writeUInt32BE(out[3], offset + 12)
+  }
+  var pad = self._cache.slice(0, chunk.length)
+  self._cache = self._cache.slice(chunk.length)
+  return xor(chunk, pad)
+}
+
+},{"../incr32":28,"buffer-xor":69,"safe-buffer":195}],34:[function(require,module,exports){
+exports.encrypt = function (self, block) {
+  return self._cipher.encryptBlock(block)
+}
+
+exports.decrypt = function (self, block) {
+  return self._cipher.decryptBlock(block)
+}
+
+},{}],35:[function(require,module,exports){
+var modeModules = {
+  ECB: require('./ecb'),
+  CBC: require('./cbc'),
+  CFB: require('./cfb'),
+  CFB8: require('./cfb8'),
+  CFB1: require('./cfb1'),
+  OFB: require('./ofb'),
+  CTR: require('./ctr'),
+  GCM: require('./ctr')
+}
+
+var modes = require('./list.json')
+
+for (var key in modes) {
+  modes[key].module = modeModules[modes[key].mode]
+}
+
+module.exports = modes
+
+},{"./cbc":29,"./cfb":30,"./cfb1":31,"./cfb8":32,"./ctr":33,"./ecb":34,"./list.json":36,"./ofb":37}],36:[function(require,module,exports){
+module.exports={
+  "aes-128-ecb": {
+    "cipher": "AES",
+    "key": 128,
+    "iv": 0,
+    "mode": "ECB",
+    "type": "block"
+  },
+  "aes-192-ecb": {
+    "cipher": "AES",
+    "key": 192,
+    "iv": 0,
+    "mode": "ECB",
+    "type": "block"
+  },
+  "aes-256-ecb": {
+    "cipher": "AES",
+    "key": 256,
+    "iv": 0,
+    "mode": "ECB",
+    "type": "block"
+  },
+  "aes-128-cbc": {
+    "cipher": "AES",
+    "key": 128,
+    "iv": 16,
+    "mode": "CBC",
+    "type": "block"
+  },
+  "aes-192-cbc": {
+    "cipher": "AES",
+    "key": 192,
+    "iv": 16,
+    "mode": "CBC",
+    "type": "block"
+  },
+  "aes-256-cbc": {
+    "cipher": "AES",
+    "key": 256,
+    "iv": 16,
+    "mode": "CBC",
+    "type": "block"
+  },
+  "aes128": {
+    "cipher": "AES",
+    "key": 128,
+    "iv": 16,
+    "mode": "CBC",
+    "type": "block"
+  },
+  "aes192": {
+    "cipher": "AES",
+    "key": 192,
+    "iv": 16,
+    "mode": "CBC",
+    "type": "block"
+  },
+  "aes256": {
+    "cipher": "AES",
+    "key": 256,
+    "iv": 16,
+    "mode": "CBC",
+    "type": "block"
+  },
+  "aes-128-cfb": {
+    "cipher": "AES",
+    "key": 128,
+    "iv": 16,
+    "mode": "CFB",
+    "type": "stream"
+  },
+  "aes-192-cfb": {
+    "cipher": "AES",
+    "key": 192,
+    "iv": 16,
+    "mode": "CFB",
+    "type": "stream"
+  },
+  "aes-256-cfb": {
+    "cipher": "AES",
+    "key": 256,
+    "iv": 16,
+    "mode": "CFB",
+    "type": "stream"
+  },
+  "aes-128-cfb8": {
+    "cipher": "AES",
+    "key": 128,
+    "iv": 16,
+    "mode": "CFB8",
+    "type": "stream"
+  },
+  "aes-192-cfb8": {
+    "cipher": "AES",
+    "key": 192,
+    "iv": 16,
+    "mode": "CFB8",
+    "type": "stream"
+  },
+  "aes-256-cfb8": {
+    "cipher": "AES",
+    "key": 256,
+    "iv": 16,
+    "mode": "CFB8",
+    "type": "stream"
+  },
+  "aes-128-cfb1": {
+    "cipher": "AES",
+    "key": 128,
+    "iv": 16,
+    "mode": "CFB1",
+    "type": "stream"
+  },
+  "aes-192-cfb1": {
+    "cipher": "AES",
+    "key": 192,
+    "iv": 16,
+    "mode": "CFB1",
+    "type": "stream"
+  },
+  "aes-256-cfb1": {
+    "cipher": "AES",
+    "key": 256,
+    "iv": 16,
+    "mode": "CFB1",
+    "type": "stream"
+  },
+  "aes-128-ofb": {
+    "cipher": "AES",
+    "key": 128,
+    "iv": 16,
+    "mode": "OFB",
+    "type": "stream"
+  },
+  "aes-192-ofb": {
+    "cipher": "AES",
+    "key": 192,
+    "iv": 16,
+    "mode": "OFB",
+    "type": "stream"
+  },
+  "aes-256-ofb": {
+    "cipher": "AES",
+    "key": 256,
+    "iv": 16,
+    "mode": "OFB",
+    "type": "stream"
+  },
+  "aes-128-ctr": {
+    "cipher": "AES",
+    "key": 128,
+    "iv": 16,
+    "mode": "CTR",
+    "type": "stream"
+  },
+  "aes-192-ctr": {
+    "cipher": "AES",
+    "key": 192,
+    "iv": 16,
+    "mode": "CTR",
+    "type": "stream"
+  },
+  "aes-256-ctr": {
+    "cipher": "AES",
+    "key": 256,
+    "iv": 16,
+    "mode": "CTR",
+    "type": "stream"
+  },
+  "aes-128-gcm": {
+    "cipher": "AES",
+    "key": 128,
+    "iv": 12,
+    "mode": "GCM",
+    "type": "auth"
+  },
+  "aes-192-gcm": {
+    "cipher": "AES",
+    "key": 192,
+    "iv": 12,
+    "mode": "GCM",
+    "type": "auth"
+  },
+  "aes-256-gcm": {
+    "cipher": "AES",
+    "key": 256,
+    "iv": 12,
+    "mode": "GCM",
+    "type": "auth"
+  }
+}
+
+},{}],37:[function(require,module,exports){
+(function (Buffer){
+var xor = require('buffer-xor')
+
+function getBlock (self) {
+  self._prev = self._cipher.encryptBlock(self._prev)
+  return self._prev
+}
+
+exports.encrypt = function (self, chunk) {
+  while (self._cache.length < chunk.length) {
+    self._cache = Buffer.concat([self._cache, getBlock(self)])
+  }
+
+  var pad = self._cache.slice(0, chunk.length)
+  self._cache = self._cache.slice(chunk.length)
+  return xor(chunk, pad)
+}
+
+}).call(this,require("buffer").Buffer)
+},{"buffer":70,"buffer-xor":69}],38:[function(require,module,exports){
+var aes = require('./aes')
+var Buffer = require('safe-buffer').Buffer
+var Transform = require('cipher-base')
+var inherits = require('inherits')
+
+function StreamCipher (mode, key, iv, decrypt) {
+  Transform.call(this)
+
+  this._cipher = new aes.AES(key)
+  this._prev = Buffer.from(iv)
+  this._cache = Buffer.allocUnsafe(0)
+  this._secCache = Buffer.allocUnsafe(0)
+  this._decrypt = decrypt
+  this._mode = mode
+}
+
+inherits(StreamCipher, Transform)
+
+StreamCipher.prototype._update = function (chunk) {
+  return this._mode.encrypt(this, chunk, this._decrypt)
+}
+
+StreamCipher.prototype._final = function () {
+  this._cipher.scrub()
+}
+
+module.exports = StreamCipher
+
+},{"./aes":22,"cipher-base":75,"inherits":145,"safe-buffer":195}],39:[function(require,module,exports){
+var ebtk = require('evp_bytestokey')
+var aes = require('browserify-aes/browser')
+var DES = require('browserify-des')
+var desModes = require('browserify-des/modes')
+var aesModes = require('browserify-aes/modes')
+function createCipher (suite, password) {
+  var keyLen, ivLen
+  suite = suite.toLowerCase()
+  if (aesModes[suite]) {
+    keyLen = aesModes[suite].key
+    ivLen = aesModes[suite].iv
+  } else if (desModes[suite]) {
+    keyLen = desModes[suite].key * 8
+    ivLen = desModes[suite].iv
+  } else {
+    throw new TypeError('invalid suite type')
+  }
+  var keys = ebtk(password, false, keyLen, ivLen)
+  return createCipheriv(suite, keys.key, keys.iv)
+}
+function createDecipher (suite, password) {
+  var keyLen, ivLen
+  suite = suite.toLowerCase()
+  if (aesModes[suite]) {
+    keyLen = aesModes[suite].key
+    ivLen = aesModes[suite].iv
+  } else if (desModes[suite]) {
+    keyLen = desModes[suite].key * 8
+    ivLen = desModes[suite].iv
+  } else {
+    throw new TypeError('invalid suite type')
+  }
+  var keys = ebtk(password, false, keyLen, ivLen)
+  return createDecipheriv(suite, keys.key, keys.iv)
+}
+
+function createCipheriv (suite, key, iv) {
+  suite = suite.toLowerCase()
+  if (aesModes[suite]) {
+    return aes.createCipheriv(suite, key, iv)
+  } else if (desModes[suite]) {
+    return new DES({
+      key: key,
+      iv: iv,
+      mode: suite
+    })
+  } else {
+    throw new TypeError('invalid suite type')
+  }
+}
+function createDecipheriv (suite, key, iv) {
+  suite = suite.toLowerCase()
+  if (aesModes[suite]) {
+    return aes.createDecipheriv(suite, key, iv)
+  } else if (desModes[suite]) {
+    return new DES({
+      key: key,
+      iv: iv,
+      mode: suite,
+      decrypt: true
+    })
+  } else {
+    throw new TypeError('invalid suite type')
+  }
+}
+exports.createCipher = exports.Cipher = createCipher
+exports.createCipheriv = exports.Cipheriv = createCipheriv
+exports.createDecipher = exports.Decipher = createDecipher
+exports.createDecipheriv = exports.Decipheriv = createDecipheriv
+function getCiphers () {
+  return Object.keys(desModes).concat(aes.getCiphers())
+}
+exports.listCiphers = exports.getCiphers = getCiphers
+
+},{"browserify-aes/browser":24,"browserify-aes/modes":35,"browserify-des":40,"browserify-des/modes":41,"evp_bytestokey":127}],40:[function(require,module,exports){
+(function (Buffer){
+var CipherBase = require('cipher-base')
+var des = require('des.js')
+var inherits = require('inherits')
+
+var modes = {
+  'des-ede3-cbc': des.CBC.instantiate(des.EDE),
+  'des-ede3': des.EDE,
+  'des-ede-cbc': des.CBC.instantiate(des.EDE),
+  'des-ede': des.EDE,
+  'des-cbc': des.CBC.instantiate(des.DES),
+  'des-ecb': des.DES
+}
+modes.des = modes['des-cbc']
+modes.des3 = modes['des-ede3-cbc']
+module.exports = DES
+inherits(DES, CipherBase)
+function DES (opts) {
+  CipherBase.call(this)
+  var modeName = opts.mode.toLowerCase()
+  var mode = modes[modeName]
+  var type
+  if (opts.decrypt) {
+    type = 'decrypt'
+  } else {
+    type = 'encrypt'
+  }
+  var key = opts.key
+  if (modeName === 'des-ede' || modeName === 'des-ede-cbc') {
+    key = Buffer.concat([key, key.slice(0, 8)])
+  }
+  var iv = opts.iv
+  this._des = mode.create({
+    key: key,
+    iv: iv,
+    type: type
+  })
+}
+DES.prototype._update = function (data) {
+  return new Buffer(this._des.update(data))
+}
+DES.prototype._final = function () {
+  return new Buffer(this._des.final())
+}
+
+}).call(this,require("buffer").Buffer)
+},{"buffer":70,"cipher-base":75,"des.js":101,"inherits":145}],41:[function(require,module,exports){
+exports['des-ecb'] = {
+  key: 8,
+  iv: 0
+}
+exports['des-cbc'] = exports.des = {
+  key: 8,
+  iv: 8
+}
+exports['des-ede3-cbc'] = exports.des3 = {
+  key: 24,
+  iv: 8
+}
+exports['des-ede3'] = {
+  key: 24,
+  iv: 0
+}
+exports['des-ede-cbc'] = {
+  key: 16,
+  iv: 8
+}
+exports['des-ede'] = {
+  key: 16,
+  iv: 0
+}
+
+},{}],42:[function(require,module,exports){
+(function (Buffer){
+var bn = require('bn.js');
+var randomBytes = require('randombytes');
+module.exports = crt;
+function blind(priv) {
+  var r = getr(priv);
+  var blinder = r.toRed(bn.mont(priv.modulus))
+  .redPow(new bn(priv.publicExponent)).fromRed();
+  return {
+    blinder: blinder,
+    unblinder:r.invm(priv.modulus)
+  };
+}
+function crt(msg, priv) {
+  var blinds = blind(priv);
+  var len = priv.modulus.byteLength();
+  var mod = bn.mont(priv.modulus);
+  var blinded = new bn(msg).mul(blinds.blinder).umod(priv.modulus);
+  var c1 = blinded.toRed(bn.mont(priv.prime1));
+  var c2 = blinded.toRed(bn.mont(priv.prime2));
+  var qinv = priv.coefficient;
+  var p = priv.prime1;
+  var q = priv.prime2;
+  var m1 = c1.redPow(priv.exponent1);
+  var m2 = c2.redPow(priv.exponent2);
+  m1 = m1.fromRed();
+  m2 = m2.fromRed();
+  var h = m1.isub(m2).imul(qinv).umod(p);
+  h.imul(q);
+  m2.iadd(h);
+  return new Buffer(m2.imul(blinds.unblinder).umod(priv.modulus).toArray(false, len));
+}
+crt.getr = getr;
+function getr(priv) {
+  var len = priv.modulus.byteLength();
+  var r = new bn(randomBytes(len));
+  while (r.cmp(priv.modulus) >=  0 || !r.umod(priv.prime1) || !r.umod(priv.prime2)) {
+    r = new bn(randomBytes(len));
+  }
+  return r;
+}
+
+}).call(this,require("buffer").Buffer)
+},{"bn.js":43,"buffer":70,"randombytes":178}],43:[function(require,module,exports){
+arguments[4][15][0].apply(exports,arguments)
+},{"buffer":21,"dup":15}],44:[function(require,module,exports){
+module.exports = require('./browser/algorithms.json')
+
+},{"./browser/algorithms.json":45}],45:[function(require,module,exports){
+module.exports={
+  "sha224WithRSAEncryption": {
+    "sign": "rsa",
+    "hash": "sha224",
+    "id": "302d300d06096086480165030402040500041c"
+  },
+  "RSA-SHA224": {
+    "sign": "ecdsa/rsa",
+    "hash": "sha224",
+    "id": "302d300d06096086480165030402040500041c"
+  },
+  "sha256WithRSAEncryption": {
+    "sign": "rsa",
+    "hash": "sha256",
+    "id": "3031300d060960864801650304020105000420"
+  },
+  "RSA-SHA256": {
+    "sign": "ecdsa/rsa",
+    "hash": "sha256",
+    "id": "3031300d060960864801650304020105000420"
+  },
+  "sha384WithRSAEncryption": {
+    "sign": "rsa",
+    "hash": "sha384",
+    "id": "3041300d060960864801650304020205000430"
+  },
+  "RSA-SHA384": {
+    "sign": "ecdsa/rsa",
+    "hash": "sha384",
+    "id": "3041300d060960864801650304020205000430"
+  },
+  "sha512WithRSAEncryption": {
+    "sign": "rsa",
+    "hash": "sha512",
+    "id": "3051300d060960864801650304020305000440"
+  },
+  "RSA-SHA512": {
+    "sign": "ecdsa/rsa",
+    "hash": "sha512",
+    "id": "3051300d060960864801650304020305000440"
+  },
+  "RSA-SHA1": {
+    "sign": "rsa",
+    "hash": "sha1",
+    "id": "3021300906052b0e03021a05000414"
+  },
+  "ecdsa-with-SHA1": {
+    "sign": "ecdsa",
+    "hash": "sha1",
+    "id": ""
+  },
+  "sha256": {
+    "sign": "ecdsa",
+    "hash": "sha256",
+    "id": ""
+  },
+  "sha224": {
+    "sign": "ecdsa",
+    "hash": "sha224",
+    "id": ""
+  },
+  "sha384": {
+    "sign": "ecdsa",
+    "hash": "sha384",
+    "id": ""
+  },
+  "sha512": {
+    "sign": "ecdsa",
+    "hash": "sha512",
+    "id": ""
+  },
+  "DSA-SHA": {
+    "sign": "dsa",
+    "hash": "sha1",
+    "id": ""
+  },
+  "DSA-SHA1": {
+    "sign": "dsa",
+    "hash": "sha1",
+    "id": ""
+  },
+  "DSA": {
+    "sign": "dsa",
+    "hash": "sha1",
+    "id": ""
+  },
+  "DSA-WITH-SHA224": {
+    "sign": "dsa",
+    "hash": "sha224",
+    "id": ""
+  },
+  "DSA-SHA224": {
+    "sign": "dsa",
+    "hash": "sha224",
+    "id": ""
+  },
+  "DSA-WITH-SHA256": {
+    "sign": "dsa",
+    "hash": "sha256",
+    "id": ""
+  },
+  "DSA-SHA256": {
+    "sign": "dsa",
+    "hash": "sha256",
+    "id": ""
+  },
+  "DSA-WITH-SHA384": {
+    "sign": "dsa",
+    "hash": "sha384",
+    "id": ""
+  },
+  "DSA-SHA384": {
+    "sign": "dsa",
+    "hash": "sha384",
+    "id": ""
+  },
+  "DSA-WITH-SHA512": {
+    "sign": "dsa",
+    "hash": "sha512",
+    "id": ""
+  },
+  "DSA-SHA512": {
+    "sign": "dsa",
+    "hash": "sha512",
+    "id": ""
+  },
+  "DSA-RIPEMD160": {
+    "sign": "dsa",
+    "hash": "rmd160",
+    "id": ""
+  },
+  "ripemd160WithRSA": {
+    "sign": "rsa",
+    "hash": "rmd160",
+    "id": "3021300906052b2403020105000414"
+  },
+  "RSA-RIPEMD160": {
+    "sign": "rsa",
+    "hash": "rmd160",
+    "id": "3021300906052b2403020105000414"
+  },
+  "md5WithRSAEncryption": {
+    "sign": "rsa",
+    "hash": "md5",
+    "id": "3020300c06082a864886f70d020505000410"
+  },
+  "RSA-MD5": {
+    "sign": "rsa",
+    "hash": "md5",
+    "id": "3020300c06082a864886f70d020505000410"
+  }
+}
+
+},{}],46:[function(require,module,exports){
+module.exports={
+  "1.3.132.0.10": "secp256k1",
+  "1.3.132.0.33": "p224",
+  "1.2.840.10045.3.1.1": "p192",
+  "1.2.840.10045.3.1.7": "p256",
+  "1.3.132.0.34": "p384",
+  "1.3.132.0.35": "p521"
+}
+
+},{}],47:[function(require,module,exports){
+(function (Buffer){
+var createHash = require('create-hash')
+var stream = require('stream')
+var inherits = require('inherits')
+var sign = require('./sign')
+var verify = require('./verify')
+
+var algorithms = require('./algorithms.json')
+Object.keys(algorithms).forEach(function (key) {
+  algorithms[key].id = new Buffer(algorithms[key].id, 'hex')
+  algorithms[key.toLowerCase()] = algorithms[key]
+})
+
+function Sign (algorithm) {
+  stream.Writable.call(this)
+
+  var data = algorithms[algorithm]
+  if (!data) throw new Error('Unknown message digest')
+
+  this._hashType = data.hash
+  this._hash = createHash(data.hash)
+  this._tag = data.id
+  this._signType = data.sign
+}
+inherits(Sign, stream.Writable)
+
+Sign.prototype._write = function _write (data, _, done) {
+  this._hash.update(data)
+  done()
+}
+
+Sign.prototype.update = function update (data, enc) {
+  if (typeof data === 'string') data = new Buffer(data, enc)
+
+  this._hash.update(data)
+  return this
+}
+
+Sign.prototype.sign = function signMethod (key, enc) {
+  this.end()
+  var hash = this._hash.digest()
+  var sig = sign(hash, key, this._hashType, this._signType, this._tag)
+
+  return enc ? sig.toString(enc) : sig
+}
+
+function Verify (algorithm) {
+  stream.Writable.call(this)
+
+  var data = algorithms[algorithm]
+  if (!data) throw new Error('Unknown message digest')
+
+  this._hash = createHash(data.hash)
+  this._tag = data.id
+  this._signType = data.sign
+}
+inherits(Verify, stream.Writable)
+
+Verify.prototype._write = function _write (data, _, done) {
+  this._hash.update(data)
+  done()
+}
+
+Verify.prototype.update = function update (data, enc) {
+  if (typeof data === 'string') data = new Buffer(data, enc)
+
+  this._hash.update(data)
+  return this
+}
+
+Verify.prototype.verify = function verifyMethod (key, sig, enc) {
+  if (typeof sig === 'string') sig = new Buffer(sig, enc)
+
+  this.end()
+  var hash = this._hash.digest()
+  return verify(sig, hash, key, this._signType, this._tag)
+}
+
+function createSign (algorithm) {
+  return new Sign(algorithm)
+}
+
+function createVerify (algorithm) {
+  return new Verify(algorithm)
+}
+
+module.exports = {
+  Sign: createSign,
+  Verify: createVerify,
+  createSign: createSign,
+  createVerify: createVerify
+}
+
+}).call(this,require("buffer").Buffer)
+},{"./algorithms.json":45,"./sign":48,"./verify":49,"buffer":70,"create-hash":95,"inherits":145,"stream":204}],48:[function(require,module,exports){
+(function (Buffer){
+// much of this based on https://github.com/indutny/self-signed/blob/gh-pages/lib/rsa.js
+var createHmac = require('create-hmac')
+var crt = require('browserify-rsa')
+var EC = require('elliptic').ec
+var BN = require('bn.js')
+var parseKeys = require('parse-asn1')
+var curves = require('./curves.json')
+
+function sign (hash, key, hashType, signType, tag) {
+  var priv = parseKeys(key)
+  if (priv.curve) {
+    // rsa keys can be interpreted as ecdsa ones in openssl
+    if (signType !== 'ecdsa' && signType !== 'ecdsa/rsa') throw new Error('wrong private key type')
+    return ecSign(hash, priv)
+  } else if (priv.type === 'dsa') {
+    if (signType !== 'dsa') throw new Error('wrong private key type')
+    return dsaSign(hash, priv, hashType)
+  } else {
+    if (signType !== 'rsa' && signType !== 'ecdsa/rsa') throw new Error('wrong private key type')
+  }
+  hash = Buffer.concat([tag, hash])
+  var len = priv.modulus.byteLength()
+  var pad = [ 0, 1 ]
+  while (hash.length + pad.length + 1 < len) pad.push(0xff)
+  pad.push(0x00)
+  var i = -1
+  while (++i < hash.length) pad.push(hash[i])
+
+  var out = crt(pad, priv)
+  return out
+}
+
+function ecSign (hash, priv) {
+  var curveId = curves[priv.curve.join('.')]
+  if (!curveId) throw new Error('unknown curve ' + priv.curve.join('.'))
+
+  var curve = new EC(curveId)
+  var key = curve.keyFromPrivate(priv.privateKey)
+  var out = key.sign(hash)
+
+  return new Buffer(out.toDER())
+}
+
+function dsaSign (hash, priv, algo) {
+  var x = priv.params.priv_key
+  var p = priv.params.p
+  var q = priv.params.q
+  var g = priv.params.g
+  var r = new BN(0)
+  var k
+  var H = bits2int(hash, q).mod(q)
+  var s = false
+  var kv = getKey(x, q, hash, algo)
+  while (s === false) {
+    k = makeKey(q, kv, algo)
+    r = makeR(g, k, p, q)
+    s = k.invm(q).imul(H.add(x.mul(r))).mod(q)
+    if (s.cmpn(0) === 0) {
+      s = false
+      r = new BN(0)
+    }
+  }
+  return toDER(r, s)
+}
+
+function toDER (r, s) {
+  r = r.toArray()
+  s = s.toArray()
+
+  // Pad values
+  if (r[0] & 0x80) r = [ 0 ].concat(r)
+  if (s[0] & 0x80) s = [ 0 ].concat(s)
+
+  var total = r.length + s.length + 4
+  var res = [ 0x30, total, 0x02, r.length ]
+  res = res.concat(r, [ 0x02, s.length ], s)
+  return new Buffer(res)
+}
+
+function getKey (x, q, hash, algo) {
+  x = new Buffer(x.toArray())
+  if (x.length < q.byteLength()) {
+    var zeros = new Buffer(q.byteLength() - x.length)
+    zeros.fill(0)
+    x = Buffer.concat([ zeros, x ])
+  }
+  var hlen = hash.length
+  var hbits = bits2octets(hash, q)
+  var v = new Buffer(hlen)
+  v.fill(1)
+  var k = new Buffer(hlen)
+  k.fill(0)
+  k = createHmac(algo, k).update(v).update(new Buffer([ 0 ])).update(x).update(hbits).digest()
+  v = createHmac(algo, k).update(v).digest()
+  k = createHmac(algo, k).update(v).update(new Buffer([ 1 ])).update(x).update(hbits).digest()
+  v = createHmac(algo, k).update(v).digest()
+  return { k: k, v: v }
+}
+
+function bits2int (obits, q) {
+  var bits = new BN(obits)
+  var shift = (obits.length << 3) - q.bitLength()
+  if (shift > 0) bits.ishrn(shift)
+  return bits
+}
+
+function bits2octets (bits, q) {
+  bits = bits2int(bits, q)
+  bits = bits.mod(q)
+  var out = new Buffer(bits.toArray())
+  if (out.length < q.byteLength()) {
+    var zeros = new Buffer(q.byteLength() - out.length)
+    zeros.fill(0)
+    out = Buffer.concat([ zeros, out ])
+  }
+  return out
+}
+
+function makeKey (q, kv, algo) {
+  var t
+  var k
+
+  do {
+    t = new Buffer(0)
+
+    while (t.length * 8 < q.bitLength()) {
+      kv.v = createHmac(algo, kv.k).update(kv.v).digest()
+      t = Buffer.concat([ t, kv.v ])
+    }
+
+    k = bits2int(t, q)
+    kv.k = createHmac(algo, kv.k).update(kv.v).update(new Buffer([ 0 ])).digest()
+    kv.v = createHmac(algo, kv.k).update(kv.v).digest()
+  } while (k.cmp(q) !== -1)
+
+  return k
+}
+
+function makeR (g, k, p, q) {
+  return g.toRed(BN.mont(p)).redPow(k).fromRed().mod(q)
+}
+
+module.exports = sign
+module.exports.getKey = getKey
+module.exports.makeKey = makeKey
+
+}).call(this,require("buffer").Buffer)
+},{"./curves.json":46,"bn.js":50,"browserify-rsa":42,"buffer":70,"create-hmac":98,"elliptic":51,"parse-asn1":159}],49:[function(require,module,exports){
+(function (Buffer){
+// much of this based on https://github.com/indutny/self-signed/blob/gh-pages/lib/rsa.js
+var BN = require('bn.js')
+var EC = require('elliptic').ec
+var parseKeys = require('parse-asn1')
+var curves = require('./curves.json')
+
+function verify (sig, hash, key, signType, tag) {
+  var pub = parseKeys(key)
+  if (pub.type === 'ec') {
+    // rsa keys can be interpreted as ecdsa ones in openssl
+    if (signType !== 'ecdsa' && signType !== 'ecdsa/rsa') throw new Error('wrong public key type')
+    return ecVerify(sig, hash, pub)
+  } else if (pub.type === 'dsa') {
+    if (signType !== 'dsa') throw new Error('wrong public key type')
+    return dsaVerify(sig, hash, pub)
+  } else {
+    if (signType !== 'rsa' && signType !== 'ecdsa/rsa') throw new Error('wrong public key type')
+  }
+  hash = Buffer.concat([tag, hash])
+  var len = pub.modulus.byteLength()
+  var pad = [ 1 ]
+  var padNum = 0
+  while (hash.length + pad.length + 2 < len) {
+    pad.push(0xff)
+    padNum++
+  }
+  pad.push(0x00)
+  var i = -1
+  while (++i < hash.length) {
+    pad.push(hash[i])
+  }
+  pad = new Buffer(pad)
+  var red = BN.mont(pub.modulus)
+  sig = new BN(sig).toRed(red)
+
+  sig = sig.redPow(new BN(pub.publicExponent))
+  sig = new Buffer(sig.fromRed().toArray())
+  var out = padNum < 8 ? 1 : 0
+  len = Math.min(sig.length, pad.length)
+  if (sig.length !== pad.length) out = 1
+
+  i = -1
+  while (++i < len) out |= sig[i] ^ pad[i]
+  return out === 0
+}
+
+function ecVerify (sig, hash, pub) {
+  var curveId = curves[pub.data.algorithm.curve.join('.')]
+  if (!curveId) throw new Error('unknown curve ' + pub.data.algorithm.curve.join('.'))
+
+  var curve = new EC(curveId)
+  var pubkey = pub.data.subjectPrivateKey.data
+
+  return curve.verify(hash, sig, pubkey)
+}
+
+function dsaVerify (sig, hash, pub) {
+  var p = pub.data.p
+  var q = pub.data.q
+  var g = pub.data.g
+  var y = pub.data.pub_key
+  var unpacked = parseKeys.signature.decode(sig, 'der')
+  var s = unpacked.s
+  var r = unpacked.r
+  checkValue(s, q)
+  checkValue(r, q)
+  var montp = BN.mont(p)
+  var w = s.invm(q)
+  var v = g.toRed(montp)
+    .redPow(new BN(hash).mul(w).mod(q))
+    .fromRed()
+    .mul(y.toRed(montp).redPow(r.mul(w).mod(q)).fromRed())
+    .mod(p)
+    .mod(q)
+  return v.cmp(r) === 0
+}
+
+function checkValue (b, q) {
+  if (b.cmpn(0) <= 0) throw new Error('invalid sig')
+  if (b.cmp(q) >= q) throw new Error('invalid sig')
+}
+
+module.exports = verify
+
+}).call(this,require("buffer").Buffer)
+},{"./curves.json":46,"bn.js":50,"buffer":70,"elliptic":51,"parse-asn1":159}],50:[function(require,module,exports){
+arguments[4][15][0].apply(exports,arguments)
+},{"buffer":21,"dup":15}],51:[function(require,module,exports){
+'use strict';
+
+var elliptic = exports;
+
+elliptic.version = require('../package.json').version;
+elliptic.utils = require('./elliptic/utils');
+elliptic.rand = require('brorand');
+elliptic.curve = require('./elliptic/curve');
+elliptic.curves = require('./elliptic/curves');
+
+// Protocols
+elliptic.ec = require('./elliptic/ec');
+elliptic.eddsa = require('./elliptic/eddsa');
+
+},{"../package.json":66,"./elliptic/curve":54,"./elliptic/curves":57,"./elliptic/ec":58,"./elliptic/eddsa":61,"./elliptic/utils":65,"brorand":20}],52:[function(require,module,exports){
+'use strict';
+
+var BN = require('bn.js');
+var elliptic = require('../../elliptic');
+var utils = elliptic.utils;
+var getNAF = utils.getNAF;
+var getJSF = utils.getJSF;
+var assert = utils.assert;
+
+function BaseCurve(type, conf) {
+  this.type = type;
+  this.p = new BN(conf.p, 16);
+
+  // Use Montgomery, when there is no fast reduction for the prime
+  this.red = conf.prime ? BN.red(conf.prime) : BN.mont(this.p);
+
+  // Useful for many curves
+  this.zero = new BN(0).toRed(this.red);
+  this.one = new BN(1).toRed(this.red);
+  this.two = new BN(2).toRed(this.red);
+
+  // Curve configuration, optional
+  this.n = conf.n && new BN(conf.n, 16);
+  this.g = conf.g && this.pointFromJSON(conf.g, conf.gRed);
+
+  // Temporary arrays
+  this._wnafT1 = new Array(4);
+  this._wnafT2 = new Array(4);
+  this._wnafT3 = new Array(4);
+  this._wnafT4 = new Array(4);
+
+  // Generalized Greg Maxwell's trick
+  var adjustCount = this.n && this.p.div(this.n);
+  if (!adjustCount || adjustCount.cmpn(100) > 0) {
+    this.redN = null;
+  } else {
+    this._maxwellTrick = true;
+    this.redN = this.n.toRed(this.red);
+  }
+}
+module.exports = BaseCurve;
+
+BaseCurve.prototype.point = function point() {
+  throw new Error('Not implemented');
+};
+
+BaseCurve.prototype.validate = function validate() {
+  throw new Error('Not implemented');
+};
+
+BaseCurve.prototype._fixedNafMul = function _fixedNafMul(p, k) {
+  assert(p.precomputed);
+  var doubles = p._getDoubles();
+
+  var naf = getNAF(k, 1);
+  var I = (1 << (doubles.step + 1)) - (doubles.step % 2 === 0 ? 2 : 1);
+  I /= 3;
+
+  // Translate into more windowed form
+  var repr = [];
+  for (var j = 0; j < naf.length; j += doubles.step) {
+    var nafW = 0;
+    for (var k = j + doubles.step - 1; k >= j; k--)
+      nafW = (nafW << 1) + naf[k];
+    repr.push(nafW);
+  }
+
+  var a = this.jpoint(null, null, null);
+  var b = this.jpoint(null, null, null);
+  for (var i = I; i > 0; i--) {
+    for (var j = 0; j < repr.length; j++) {
+      var nafW = repr[j];
+      if (nafW === i)
+        b = b.mixedAdd(doubles.points[j]);
+      else if (nafW === -i)
+        b = b.mixedAdd(doubles.points[j].neg());
+    }
+    a = a.add(b);
+  }
+  return a.toP();
+};
+
+BaseCurve.prototype._wnafMul = function _wnafMul(p, k) {
+  var w = 4;
+
+  // Precompute window
+  var nafPoints = p._getNAFPoints(w);
+  w = nafPoints.wnd;
+  var wnd = nafPoints.points;
+
+  // Get NAF form
+  var naf = getNAF(k, w);
+
+  // Add `this`*(N+1) for every w-NAF index
+  var acc = this.jpoint(null, null, null);
+  for (var i = naf.length - 1; i >= 0; i--) {
+    // Count zeroes
+    for (var k = 0; i >= 0 && naf[i] === 0; i--)
+      k++;
+    if (i >= 0)
+      k++;
+    acc = acc.dblp(k);
+
+    if (i < 0)
+      break;
+    var z = naf[i];
+    assert(z !== 0);
+    if (p.type === 'affine') {
+      // J +- P
+      if (z > 0)
+        acc = acc.mixedAdd(wnd[(z - 1) >> 1]);
+      else
+        acc = acc.mixedAdd(wnd[(-z - 1) >> 1].neg());
+    } else {
+      // J +- J
+      if (z > 0)
+        acc = acc.add(wnd[(z - 1) >> 1]);
+      else
+        acc = acc.add(wnd[(-z - 1) >> 1].neg());
+    }
+  }
+  return p.type === 'affine' ? acc.toP() : acc;
+};
+
+BaseCurve.prototype._wnafMulAdd = function _wnafMulAdd(defW,
+                                                       points,
+                                                       coeffs,
+                                                       len,
+                                                       jacobianResult) {
+  var wndWidth = this._wnafT1;
+  var wnd = this._wnafT2;
+  var naf = this._wnafT3;
+
+  // Fill all arrays
+  var max = 0;
+  for (var i = 0; i < len; i++) {
+    var p = points[i];
+    var nafPoints = p._getNAFPoints(defW);
+    wndWidth[i] = nafPoints.wnd;
+    wnd[i] = nafPoints.points;
+  }
+
+  // Comb small window NAFs
+  for (var i = len - 1; i >= 1; i -= 2) {
+    var a = i - 1;
+    var b = i;
+    if (wndWidth[a] !== 1 || wndWidth[b] !== 1) {
+      naf[a] = getNAF(coeffs[a], wndWidth[a]);
+      naf[b] = getNAF(coeffs[b], wndWidth[b]);
+      max = Math.max(naf[a].length, max);
+      max = Math.max(naf[b].length, max);
+      continue;
+    }
+
+    var comb = [
+      points[a], /* 1 */
+      null, /* 3 */
+      null, /* 5 */
+      points[b] /* 7 */
+    ];
+
+    // Try to avoid Projective points, if possible
+    if (points[a].y.cmp(points[b].y) === 0) {
+      comb[1] = points[a].add(points[b]);
+      comb[2] = points[a].toJ().mixedAdd(points[b].neg());
+    } else if (points[a].y.cmp(points[b].y.redNeg()) === 0) {
+      comb[1] = points[a].toJ().mixedAdd(points[b]);
+      comb[2] = points[a].add(points[b].neg());
+    } else {
+      comb[1] = points[a].toJ().mixedAdd(points[b]);
+      comb[2] = points[a].toJ().mixedAdd(points[b].neg());
+    }
+
+    var index = [
+      -3, /* -1 -1 */
+      -1, /* -1 0 */
+      -5, /* -1 1 */
+      -7, /* 0 -1 */
+      0, /* 0 0 */
+      7, /* 0 1 */
+      5, /* 1 -1 */
+      1, /* 1 0 */
+      3  /* 1 1 */
+    ];
+
+    var jsf = getJSF(coeffs[a], coeffs[b]);
+    max = Math.max(jsf[0].length, max);
+    naf[a] = new Array(max);
+    naf[b] = new Array(max);
+    for (var j = 0; j < max; j++) {
+      var ja = jsf[0][j] | 0;
+      var jb = jsf[1][j] | 0;
+
+      naf[a][j] = index[(ja + 1) * 3 + (jb + 1)];
+      naf[b][j] = 0;
+      wnd[a] = comb;
+    }
+  }
+
+  var acc = this.jpoint(null, null, null);
+  var tmp = this._wnafT4;
+  for (var i = max; i >= 0; i--) {
+    var k = 0;
+
+    while (i >= 0) {
+      var zero = true;
+      for (var j = 0; j < len; j++) {
+        tmp[j] = naf[j][i] | 0;
+        if (tmp[j] !== 0)
+          zero = false;
+      }
+      if (!zero)
+        break;
+      k++;
+      i--;
+    }
+    if (i >= 0)
+      k++;
+    acc = acc.dblp(k);
+    if (i < 0)
+      break;
+
+    for (var j = 0; j < len; j++) {
+      var z = tmp[j];
+      var p;
+      if (z === 0)
+        continue;
+      else if (z > 0)
+        p = wnd[j][(z - 1) >> 1];
+      else if (z < 0)
+        p = wnd[j][(-z - 1) >> 1].neg();
+
+      if (p.type === 'affine')
+        acc = acc.mixedAdd(p);
+      else
+        acc = acc.add(p);
+    }
+  }
+  // Zeroify references
+  for (var i = 0; i < len; i++)
+    wnd[i] = null;
+
+  if (jacobianResult)
+    return acc;
+  else
+    return acc.toP();
+};
+
+function BasePoint(curve, type) {
+  this.curve = curve;
+  this.type = type;
+  this.precomputed = null;
+}
+BaseCurve.BasePoint = BasePoint;
+
+BasePoint.prototype.eq = function eq(/*other*/) {
+  throw new Error('Not implemented');
+};
+
+BasePoint.prototype.validate = function validate() {
+  return this.curve.validate(this);
+};
+
+BaseCurve.prototype.decodePoint = function decodePoint(bytes, enc) {
+  bytes = utils.toArray(bytes, enc);
+
+  var len = this.p.byteLength();
+
+  // uncompressed, hybrid-odd, hybrid-even
+  if ((bytes[0] === 0x04 || bytes[0] === 0x06 || bytes[0] === 0x07) &&
+      bytes.length - 1 === 2 * len) {
+    if (bytes[0] === 0x06)
+      assert(bytes[bytes.length - 1] % 2 === 0);
+    else if (bytes[0] === 0x07)
+      assert(bytes[bytes.length - 1] % 2 === 1);
+
+    var res =  this.point(bytes.slice(1, 1 + len),
+                          bytes.slice(1 + len, 1 + 2 * len));
+
+    return res;
+  } else if ((bytes[0] === 0x02 || bytes[0] === 0x03) &&
+              bytes.length - 1 === len) {
+    return this.pointFromX(bytes.slice(1, 1 + len), bytes[0] === 0x03);
+  }
+  throw new Error('Unknown point format');
+};
+
+BasePoint.prototype.encodeCompressed = function encodeCompressed(enc) {
+  return this.encode(enc, true);
+};
+
+BasePoint.prototype._encode = function _encode(compact) {
+  var len = this.curve.p.byteLength();
+  var x = this.getX().toArray('be', len);
+
+  if (compact)
+    return [ this.getY().isEven() ? 0x02 : 0x03 ].concat(x);
+
+  return [ 0x04 ].concat(x, this.getY().toArray('be', len)) ;
+};
+
+BasePoint.prototype.encode = function encode(enc, compact) {
+  return utils.encode(this._encode(compact), enc);
+};
+
+BasePoint.prototype.precompute = function precompute(power) {
+  if (this.precomputed)
+    return this;
+
+  var precomputed = {
+    doubles: null,
+    naf: null,
+    beta: null
+  };
+  precomputed.naf = this._getNAFPoints(8);
+  precomputed.doubles = this._getDoubles(4, power);
+  precomputed.beta = this._getBeta();
+  this.precomputed = precomputed;
+
+  return this;
+};
+
+BasePoint.prototype._hasDoubles = function _hasDoubles(k) {
+  if (!this.precomputed)
+    return false;
+
+  var doubles = this.precomputed.doubles;
+  if (!doubles)
+    return false;
+
+  return doubles.points.length >= Math.ceil((k.bitLength() + 1) / doubles.step);
+};
+
+BasePoint.prototype._getDoubles = function _getDoubles(step, power) {
+  if (this.precomputed && this.precomputed.doubles)
+    return this.precomputed.doubles;
+
+  var doubles = [ this ];
+  var acc = this;
+  for (var i = 0; i < power; i += step) {
+    for (var j = 0; j < step; j++)
+      acc = acc.dbl();
+    doubles.push(acc);
+  }
+  return {
+    step: step,
+    points: doubles
+  };
+};
+
+BasePoint.prototype._getNAFPoints = function _getNAFPoints(wnd) {
+  if (this.precomputed && this.precomputed.naf)
+    return this.precomputed.naf;
+
+  var res = [ this ];
+  var max = (1 << wnd) - 1;
+  var dbl = max === 1 ? null : this.dbl();
+  for (var i = 1; i < max; i++)
+    res[i] = res[i - 1].add(dbl);
+  return {
+    wnd: wnd,
+    points: res
+  };
+};
+
+BasePoint.prototype._getBeta = function _getBeta() {
+  return null;
+};
+
+BasePoint.prototype.dblp = function dblp(k) {
+  var r = this;
+  for (var i = 0; i < k; i++)
+    r = r.dbl();
+  return r;
+};
+
+},{"../../elliptic":51,"bn.js":50}],53:[function(require,module,exports){
+'use strict';
+
+var curve = require('../curve');
+var elliptic = require('../../elliptic');
+var BN = require('bn.js');
+var inherits = require('inherits');
+var Base = curve.base;
+
+var assert = elliptic.utils.assert;
+
+function EdwardsCurve(conf) {
+  // NOTE: Important as we are creating point in Base.call()
+  this.twisted = (conf.a | 0) !== 1;
+  this.mOneA = this.twisted && (conf.a | 0) === -1;
+  this.extended = this.mOneA;
+
+  Base.call(this, 'edwards', conf);
+
+  this.a = new BN(conf.a, 16).umod(this.red.m);
+  this.a = this.a.toRed(this.red);
+  this.c = new BN(conf.c, 16).toRed(this.red);
+  this.c2 = this.c.redSqr();
+  this.d = new BN(conf.d, 16).toRed(this.red);
+  this.dd = this.d.redAdd(this.d);
+
+  assert(!this.twisted || this.c.fromRed().cmpn(1) === 0);
+  this.oneC = (conf.c | 0) === 1;
+}
+inherits(EdwardsCurve, Base);
+module.exports = EdwardsCurve;
+
+EdwardsCurve.prototype._mulA = function _mulA(num) {
+  if (this.mOneA)
+    return num.redNeg();
+  else
+    return this.a.redMul(num);
+};
+
+EdwardsCurve.prototype._mulC = function _mulC(num) {
+  if (this.oneC)
+    return num;
+  else
+    return this.c.redMul(num);
+};
+
+// Just for compatibility with Short curve
+EdwardsCurve.prototype.jpoint = function jpoint(x, y, z, t) {
+  return this.point(x, y, z, t);
+};
+
+EdwardsCurve.prototype.pointFromX = function pointFromX(x, odd) {
+  x = new BN(x, 16);
+  if (!x.red)
+    x = x.toRed(this.red);
+
+  var x2 = x.redSqr();
+  var rhs = this.c2.redSub(this.a.redMul(x2));
+  var lhs = this.one.redSub(this.c2.redMul(this.d).redMul(x2));
+
+  var y2 = rhs.redMul(lhs.redInvm());
+  var y = y2.redSqrt();
+  if (y.redSqr().redSub(y2).cmp(this.zero) !== 0)
+    throw new Error('invalid point');
+
+  var isOdd = y.fromRed().isOdd();
+  if (odd && !isOdd || !odd && isOdd)
+    y = y.redNeg();
+
+  return this.point(x, y);
+};
+
+EdwardsCurve.prototype.pointFromY = function pointFromY(y, odd) {
+  y = new BN(y, 16);
+  if (!y.red)
+    y = y.toRed(this.red);
+
+  // x^2 = (y^2 - 1) / (d y^2 + 1)
+  var y2 = y.redSqr();
+  var lhs = y2.redSub(this.one);
+  var rhs = y2.redMul(this.d).redAdd(this.one);
+  var x2 = lhs.redMul(rhs.redInvm());
+
+  if (x2.cmp(this.zero) === 0) {
+    if (odd)
+      throw new Error('invalid point');
+    else
+      return this.point(this.zero, y);
+  }
+
+  var x = x2.redSqrt();
+  if (x.redSqr().redSub(x2).cmp(this.zero) !== 0)
+    throw new Error('invalid point');
+
+  if (x.isOdd() !== odd)
+    x = x.redNeg();
+
+  return this.point(x, y);
+};
+
+EdwardsCurve.prototype.validate = function validate(point) {
+  if (point.isInfinity())
+    return true;
+
+  // Curve: A * X^2 + Y^2 = C^2 * (1 + D * X^2 * Y^2)
+  point.normalize();
+
+  var x2 = point.x.redSqr();
+  var y2 = point.y.redSqr();
+  var lhs = x2.redMul(this.a).redAdd(y2);
+  var rhs = this.c2.redMul(this.one.redAdd(this.d.redMul(x2).redMul(y2)));
+
+  return lhs.cmp(rhs) === 0;
+};
+
+function Point(curve, x, y, z, t) {
+  Base.BasePoint.call(this, curve, 'projective');
+  if (x === null && y === null && z === null) {
+    this.x = this.curve.zero;
+    this.y = this.curve.one;
+    this.z = this.curve.one;
+    this.t = this.curve.zero;
+    this.zOne = true;
+  } else {
+    this.x = new BN(x, 16);
+    this.y = new BN(y, 16);
+    this.z = z ? new BN(z, 16) : this.curve.one;
+    this.t = t && new BN(t, 16);
+    if (!this.x.red)
+      this.x = this.x.toRed(this.curve.red);
+    if (!this.y.red)
+      this.y = this.y.toRed(this.curve.red);
+    if (!this.z.red)
+      this.z = this.z.toRed(this.curve.red);
+    if (this.t && !this.t.red)
+      this.t = this.t.toRed(this.curve.red);
+    this.zOne = this.z === this.curve.one;
+
+    // Use extended coordinates
+    if (this.curve.extended && !this.t) {
+      this.t = this.x.redMul(this.y);
+      if (!this.zOne)
+        this.t = this.t.redMul(this.z.redInvm());
+    }
+  }
+}
+inherits(Point, Base.BasePoint);
+
+EdwardsCurve.prototype.pointFromJSON = function pointFromJSON(obj) {
+  return Point.fromJSON(this, obj);
+};
+
+EdwardsCurve.prototype.point = function point(x, y, z, t) {
+  return new Point(this, x, y, z, t);
+};
+
+Point.fromJSON = function fromJSON(curve, obj) {
+  return new Point(curve, obj[0], obj[1], obj[2]);
+};
+
+Point.prototype.inspect = function inspect() {
+  if (this.isInfinity())
+    return '<EC Point Infinity>';
+  return '<EC Point x: ' + this.x.fromRed().toString(16, 2) +
+      ' y: ' + this.y.fromRed().toString(16, 2) +
+      ' z: ' + this.z.fromRed().toString(16, 2) + '>';
+};
+
+Point.prototype.isInfinity = function isInfinity() {
+  // XXX This code assumes that zero is always zero in red
+  return this.x.cmpn(0) === 0 &&
+         this.y.cmp(this.z) === 0;
+};
+
+Point.prototype._extDbl = function _extDbl() {
+  // hyperelliptic.org/EFD/g1p/auto-twisted-extended-1.html
+  //     #doubling-dbl-2008-hwcd
+  // 4M + 4S
+
+  // A = X1^2
+  var a = this.x.redSqr();
+  // B = Y1^2
+  var b = this.y.redSqr();
+  // C = 2 * Z1^2
+  var c = this.z.redSqr();
+  c = c.redIAdd(c);
+  // D = a * A
+  var d = this.curve._mulA(a);
+  // E = (X1 + Y1)^2 - A - B
+  var e = this.x.redAdd(this.y).redSqr().redISub(a).redISub(b);
+  // G = D + B
+  var g = d.redAdd(b);
+  // F = G - C
+  var f = g.redSub(c);
+  // H = D - B
+  var h = d.redSub(b);
+  // X3 = E * F
+  var nx = e.redMul(f);
+  // Y3 = G * H
+  var ny = g.redMul(h);
+  // T3 = E * H
+  var nt = e.redMul(h);
+  // Z3 = F * G
+  var nz = f.redMul(g);
+  return this.curve.point(nx, ny, nz, nt);
+};
+
+Point.prototype._projDbl = function _projDbl() {
+  // hyperelliptic.org/EFD/g1p/auto-twisted-projective.html
+  //     #doubling-dbl-2008-bbjlp
+  //     #doubling-dbl-2007-bl
+  // and others
+  // Generally 3M + 4S or 2M + 4S
+
+  // B = (X1 + Y1)^2
+  var b = this.x.redAdd(this.y).redSqr();
+  // C = X1^2
+  var c = this.x.redSqr();
+  // D = Y1^2
+  var d = this.y.redSqr();
+
+  var nx;
+  var ny;
+  var nz;
+  if (this.curve.twisted) {
+    // E = a * C
+    var e = this.curve._mulA(c);
+    // F = E + D
+    var f = e.redAdd(d);
+    if (this.zOne) {
+      // X3 = (B - C - D) * (F - 2)
+      nx = b.redSub(c).redSub(d).redMul(f.redSub(this.curve.two));
+      // Y3 = F * (E - D)
+      ny = f.redMul(e.redSub(d));
+      // Z3 = F^2 - 2 * F
+      nz = f.redSqr().redSub(f).redSub(f);
+    } else {
+      // H = Z1^2
+      var h = this.z.redSqr();
+      // J = F - 2 * H
+      var j = f.redSub(h).redISub(h);
+      // X3 = (B-C-D)*J
+      nx = b.redSub(c).redISub(d).redMul(j);
+      // Y3 = F * (E - D)
+      ny = f.redMul(e.redSub(d));
+      // Z3 = F * J
+      nz = f.redMul(j);
+    }
+  } else {
+    // E = C + D
+    var e = c.redAdd(d);
+    // H = (c * Z1)^2
+    var h = this.curve._mulC(this.c.redMul(this.z)).redSqr();
+    // J = E - 2 * H
+    var j = e.redSub(h).redSub(h);
+    // X3 = c * (B - E) * J
+    nx = this.curve._mulC(b.redISub(e)).redMul(j);
+    // Y3 = c * E * (C - D)
+    ny = this.curve._mulC(e).redMul(c.redISub(d));
+    // Z3 = E * J
+    nz = e.redMul(j);
+  }
+  return this.curve.point(nx, ny, nz);
+};
+
+Point.prototype.dbl = function dbl() {
+  if (this.isInfinity())
+    return this;
+
+  // Double in extended coordinates
+  if (this.curve.extended)
+    return this._extDbl();
+  else
+    return this._projDbl();
+};
+
+Point.prototype._extAdd = function _extAdd(p) {
+  // hyperelliptic.org/EFD/g1p/auto-twisted-extended-1.html
+  //     #addition-add-2008-hwcd-3
+  // 8M
+
+  // A = (Y1 - X1) * (Y2 - X2)
+  var a = this.y.redSub(this.x).redMul(p.y.redSub(p.x));
+  // B = (Y1 + X1) * (Y2 + X2)
+  var b = this.y.redAdd(this.x).redMul(p.y.redAdd(p.x));
+  // C = T1 * k * T2
+  var c = this.t.redMul(this.curve.dd).redMul(p.t);
+  // D = Z1 * 2 * Z2
+  var d = this.z.redMul(p.z.redAdd(p.z));
+  // E = B - A
+  var e = b.redSub(a);
+  // F = D - C
+  var f = d.redSub(c);
+  // G = D + C
+  var g = d.redAdd(c);
+  // H = B + A
+  var h = b.redAdd(a);
+  // X3 = E * F
+  var nx = e.redMul(f);
+  // Y3 = G * H
+  var ny = g.redMul(h);
+  // T3 = E * H
+  var nt = e.redMul(h);
+  // Z3 = F * G
+  var nz = f.redMul(g);
+  return this.curve.point(nx, ny, nz, nt);
+};
+
+Point.prototype._projAdd = function _projAdd(p) {
+  // hyperelliptic.org/EFD/g1p/auto-twisted-projective.html
+  //     #addition-add-2008-bbjlp
+  //     #addition-add-2007-bl
+  // 10M + 1S
+
+  // A = Z1 * Z2
+  var a = this.z.redMul(p.z);
+  // B = A^2
+  var b = a.redSqr();
+  // C = X1 * X2
+  var c = this.x.redMul(p.x);
+  // D = Y1 * Y2
+  var d = this.y.redMul(p.y);
+  // E = d * C * D
+  var e = this.curve.d.redMul(c).redMul(d);
+  // F = B - E
+  var f = b.redSub(e);
+  // G = B + E
+  var g = b.redAdd(e);
+  // X3 = A * F * ((X1 + Y1) * (X2 + Y2) - C - D)
+  var tmp = this.x.redAdd(this.y).redMul(p.x.redAdd(p.y)).redISub(c).redISub(d);
+  var nx = a.redMul(f).redMul(tmp);
+  var ny;
+  var nz;
+  if (this.curve.twisted) {
+    // Y3 = A * G * (D - a * C)
+    ny = a.redMul(g).redMul(d.redSub(this.curve._mulA(c)));
+    // Z3 = F * G
+    nz = f.redMul(g);
+  } else {
+    // Y3 = A * G * (D - C)
+    ny = a.redMul(g).redMul(d.redSub(c));
+    // Z3 = c * F * G
+    nz = this.curve._mulC(f).redMul(g);
+  }
+  return this.curve.point(nx, ny, nz);
+};
+
+Point.prototype.add = function add(p) {
+  if (this.isInfinity())
+    return p;
+  if (p.isInfinity())
+    return this;
+
+  if (this.curve.extended)
+    return this._extAdd(p);
+  else
+    return this._projAdd(p);
+};
+
+Point.prototype.mul = function mul(k) {
+  if (this._hasDoubles(k))
+    return this.curve._fixedNafMul(this, k);
+  else
+    return this.curve._wnafMul(this, k);
+};
+
+Point.prototype.mulAdd = function mulAdd(k1, p, k2) {
+  return this.curve._wnafMulAdd(1, [ this, p ], [ k1, k2 ], 2, false);
+};
+
+Point.prototype.jmulAdd = function jmulAdd(k1, p, k2) {
+  return this.curve._wnafMulAdd(1, [ this, p ], [ k1, k2 ], 2, true);
+};
+
+Point.prototype.normalize = function normalize() {
+  if (this.zOne)
+    return this;
+
+  // Normalize coordinates
+  var zi = this.z.redInvm();
+  this.x = this.x.redMul(zi);
+  this.y = this.y.redMul(zi);
+  if (this.t)
+    this.t = this.t.redMul(zi);
+  this.z = this.curve.one;
+  this.zOne = true;
+  return this;
+};
+
+Point.prototype.neg = function neg() {
+  return this.curve.point(this.x.redNeg(),
+                          this.y,
+                          this.z,
+                          this.t && this.t.redNeg());
+};
+
+Point.prototype.getX = function getX() {
+  this.normalize();
+  return this.x.fromRed();
+};
+
+Point.prototype.getY = function getY() {
+  this.normalize();
+  return this.y.fromRed();
+};
+
+Point.prototype.eq = function eq(other) {
+  return this === other ||
+         this.getX().cmp(other.getX()) === 0 &&
+         this.getY().cmp(other.getY()) === 0;
+};
+
+Point.prototype.eqXToP = function eqXToP(x) {
+  var rx = x.toRed(this.curve.red).redMul(this.z);
+  if (this.x.cmp(rx) === 0)
+    return true;
+
+  var xc = x.clone();
+  var t = this.curve.redN.redMul(this.z);
+  for (;;) {
+    xc.iadd(this.curve.n);
+    if (xc.cmp(this.curve.p) >= 0)
+      return false;
+
+    rx.redIAdd(t);
+    if (this.x.cmp(rx) === 0)
+      return true;
+  }
+  return false;
+};
+
+// Compatibility with BaseCurve
+Point.prototype.toP = Point.prototype.normalize;
+Point.prototype.mixedAdd = Point.prototype.add;
+
+},{"../../elliptic":51,"../curve":54,"bn.js":50,"inherits":145}],54:[function(require,module,exports){
+'use strict';
+
+var curve = exports;
+
+curve.base = require('./base');
+curve.short = require('./short');
+curve.mont = require('./mont');
+curve.edwards = require('./edwards');
+
+},{"./base":52,"./edwards":53,"./mont":55,"./short":56}],55:[function(require,module,exports){
+'use strict';
+
+var curve = require('../curve');
+var BN = require('bn.js');
+var inherits = require('inherits');
+var Base = curve.base;
+
+var elliptic = require('../../elliptic');
+var utils = elliptic.utils;
+
+function MontCurve(conf) {
+  Base.call(this, 'mont', conf);
+
+  this.a = new BN(conf.a, 16).toRed(this.red);
+  this.b = new BN(conf.b, 16).toRed(this.red);
+  this.i4 = new BN(4).toRed(this.red).redInvm();
+  this.two = new BN(2).toRed(this.red);
+  this.a24 = this.i4.redMul(this.a.redAdd(this.two));
+}
+inherits(MontCurve, Base);
+module.exports = MontCurve;
+
+MontCurve.prototype.validate = function validate(point) {
+  var x = point.normalize().x;
+  var x2 = x.redSqr();
+  var rhs = x2.redMul(x).redAdd(x2.redMul(this.a)).redAdd(x);
+  var y = rhs.redSqrt();
+
+  return y.redSqr().cmp(rhs) === 0;
+};
+
+function Point(curve, x, z) {
+  Base.BasePoint.call(this, curve, 'projective');
+  if (x === null && z === null) {
+    this.x = this.curve.one;
+    this.z = this.curve.zero;
+  } else {
+    this.x = new BN(x, 16);
+    this.z = new BN(z, 16);
+    if (!this.x.red)
+      this.x = this.x.toRed(this.curve.red);
+    if (!this.z.red)
+      this.z = this.z.toRed(this.curve.red);
+  }
+}
+inherits(Point, Base.BasePoint);
+
+MontCurve.prototype.decodePoint = function decodePoint(bytes, enc) {
+  return this.point(utils.toArray(bytes, enc), 1);
+};
+
+MontCurve.prototype.point = function point(x, z) {
+  return new Point(this, x, z);
+};
+
+MontCurve.prototype.pointFromJSON = function pointFromJSON(obj) {
+  return Point.fromJSON(this, obj);
+};
+
+Point.prototype.precompute = function precompute() {
+  // No-op
+};
+
+Point.prototype._encode = function _encode() {
+  return this.getX().toArray('be', this.curve.p.byteLength());
+};
+
+Point.fromJSON = function fromJSON(curve, obj) {
+  return new Point(curve, obj[0], obj[1] || curve.one);
+};
+
+Point.prototype.inspect = function inspect() {
+  if (this.isInfinity())
+    return '<EC Point Infinity>';
+  return '<EC Point x: ' + this.x.fromRed().toString(16, 2) +
+      ' z: ' + this.z.fromRed().toString(16, 2) + '>';
+};
+
+Point.prototype.isInfinity = function isInfinity() {
+  // XXX This code assumes that zero is always zero in red
+  return this.z.cmpn(0) === 0;
+};
+
+Point.prototype.dbl = function dbl() {
+  // http://hyperelliptic.org/EFD/g1p/auto-montgom-xz.html#doubling-dbl-1987-m-3
+  // 2M + 2S + 4A
+
+  // A = X1 + Z1
+  var a = this.x.redAdd(this.z);
+  // AA = A^2
+  var aa = a.redSqr();
+  // B = X1 - Z1
+  var b = this.x.redSub(this.z);
+  // BB = B^2
+  var bb = b.redSqr();
+  // C = AA - BB
+  var c = aa.redSub(bb);
+  // X3 = AA * BB
+  var nx = aa.redMul(bb);
+  // Z3 = C * (BB + A24 * C)
+  var nz = c.redMul(bb.redAdd(this.curve.a24.redMul(c)));
+  return this.curve.point(nx, nz);
+};
+
+Point.prototype.add = function add() {
+  throw new Error('Not supported on Montgomery curve');
+};
+
+Point.prototype.diffAdd = function diffAdd(p, diff) {
+  // http://hyperelliptic.org/EFD/g1p/auto-montgom-xz.html#diffadd-dadd-1987-m-3
+  // 4M + 2S + 6A
+
+  // A = X2 + Z2
+  var a = this.x.redAdd(this.z);
+  // B = X2 - Z2
+  var b = this.x.redSub(this.z);
+  // C = X3 + Z3
+  var c = p.x.redAdd(p.z);
+  // D = X3 - Z3
+  var d = p.x.redSub(p.z);
+  // DA = D * A
+  var da = d.redMul(a);
+  // CB = C * B
+  var cb = c.redMul(b);
+  // X5 = Z1 * (DA + CB)^2
+  var nx = diff.z.redMul(da.redAdd(cb).redSqr());
+  // Z5 = X1 * (DA - CB)^2
+  var nz = diff.x.redMul(da.redISub(cb).redSqr());
+  return this.curve.point(nx, nz);
+};
+
+Point.prototype.mul = function mul(k) {
+  var t = k.clone();
+  var a = this; // (N / 2) * Q + Q
+  var b = this.curve.point(null, null); // (N / 2) * Q
+  var c = this; // Q
+
+  for (var bits = []; t.cmpn(0) !== 0; t.iushrn(1))
+    bits.push(t.andln(1));
+
+  for (var i = bits.length - 1; i >= 0; i--) {
+    if (bits[i] === 0) {
+      // N * Q + Q = ((N / 2) * Q + Q)) + (N / 2) * Q
+      a = a.diffAdd(b, c);
+      // N * Q = 2 * ((N / 2) * Q + Q))
+      b = b.dbl();
+    } else {
+      // N * Q = ((N / 2) * Q + Q) + ((N / 2) * Q)
+      b = a.diffAdd(b, c);
+      // N * Q + Q = 2 * ((N / 2) * Q + Q)
+      a = a.dbl();
+    }
+  }
+  return b;
+};
+
+Point.prototype.mulAdd = function mulAdd() {
+  throw new Error('Not supported on Montgomery curve');
+};
+
+Point.prototype.jumlAdd = function jumlAdd() {
+  throw new Error('Not supported on Montgomery curve');
+};
+
+Point.prototype.eq = function eq(other) {
+  return this.getX().cmp(other.getX()) === 0;
+};
+
+Point.prototype.normalize = function normalize() {
+  this.x = this.x.redMul(this.z.redInvm());
+  this.z = this.curve.one;
+  return this;
+};
+
+Point.prototype.getX = function getX() {
+  // Normalize coordinates
+  this.normalize();
+
+  return this.x.fromRed();
+};
+
+},{"../../elliptic":51,"../curve":54,"bn.js":50,"inherits":145}],56:[function(require,module,exports){
+'use strict';
+
+var curve = require('../curve');
+var elliptic = require('../../elliptic');
+var BN = require('bn.js');
+var inherits = require('inherits');
+var Base = curve.base;
+
+var assert = elliptic.utils.assert;
+
+function ShortCurve(conf) {
+  Base.call(this, 'short', conf);
+
+  this.a = new BN(conf.a, 16).toRed(this.red);
+  this.b = new BN(conf.b, 16).toRed(this.red);
+  this.tinv = this.two.redInvm();
+
+  this.zeroA = this.a.fromRed().cmpn(0) === 0;
+  this.threeA = this.a.fromRed().sub(this.p).cmpn(-3) === 0;
+
+  // If the curve is endomorphic, precalculate beta and lambda
+  this.endo = this._getEndomorphism(conf);
+  this._endoWnafT1 = new Array(4);
+  this._endoWnafT2 = new Array(4);
+}
+inherits(ShortCurve, Base);
+module.exports = ShortCurve;
+
+ShortCurve.prototype._getEndomorphism = function _getEndomorphism(conf) {
+  // No efficient endomorphism
+  if (!this.zeroA || !this.g || !this.n || this.p.modn(3) !== 1)
+    return;
+
+  // Compute beta and lambda, that lambda * P = (beta * Px; Py)
+  var beta;
+  var lambda;
+  if (conf.beta) {
+    beta = new BN(conf.beta, 16).toRed(this.red);
+  } else {
+    var betas = this._getEndoRoots(this.p);
+    // Choose the smallest beta
+    beta = betas[0].cmp(betas[1]) < 0 ? betas[0] : betas[1];
+    beta = beta.toRed(this.red);
+  }
+  if (conf.lambda) {
+    lambda = new BN(conf.lambda, 16);
+  } else {
+    // Choose the lambda that is matching selected beta
+    var lambdas = this._getEndoRoots(this.n);
+    if (this.g.mul(lambdas[0]).x.cmp(this.g.x.redMul(beta)) === 0) {
+      lambda = lambdas[0];
+    } else {
+      lambda = lambdas[1];
+      assert(this.g.mul(lambda).x.cmp(this.g.x.redMul(beta)) === 0);
+    }
+  }
+
+  // Get basis vectors, used for balanced length-two representation
+  var basis;
+  if (conf.basis) {
+    basis = conf.basis.map(function(vec) {
+      return {
+        a: new BN(vec.a, 16),
+        b: new BN(vec.b, 16)
+      };
+    });
+  } else {
+    basis = this._getEndoBasis(lambda);
+  }
+
+  return {
+    beta: beta,
+    lambda: lambda,
+    basis: basis
+  };
+};
+
+ShortCurve.prototype._getEndoRoots = function _getEndoRoots(num) {
+  // Find roots of for x^2 + x + 1 in F
+  // Root = (-1 +- Sqrt(-3)) / 2
+  //
+  var red = num === this.p ? this.red : BN.mont(num);
+  var tinv = new BN(2).toRed(red).redInvm();
+  var ntinv = tinv.redNeg();
+
+  var s = new BN(3).toRed(red).redNeg().redSqrt().redMul(tinv);
+
+  var l1 = ntinv.redAdd(s).fromRed();
+  var l2 = ntinv.redSub(s).fromRed();
+  return [ l1, l2 ];
+};
+
+ShortCurve.prototype._getEndoBasis = function _getEndoBasis(lambda) {
+  // aprxSqrt >= sqrt(this.n)
+  var aprxSqrt = this.n.ushrn(Math.floor(this.n.bitLength() / 2));
+
+  // 3.74
+  // Run EGCD, until r(L + 1) < aprxSqrt
+  var u = lambda;
+  var v = this.n.clone();
+  var x1 = new BN(1);
+  var y1 = new BN(0);
+  var x2 = new BN(0);
+  var y2 = new BN(1);
+
+  // NOTE: all vectors are roots of: a + b * lambda = 0 (mod n)
+  var a0;
+  var b0;
+  // First vector
+  var a1;
+  var b1;
+  // Second vector
+  var a2;
+  var b2;
+
+  var prevR;
+  var i = 0;
+  var r;
+  var x;
+  while (u.cmpn(0) !== 0) {
+    var q = v.div(u);
+    r = v.sub(q.mul(u));
+    x = x2.sub(q.mul(x1));
+    var y = y2.sub(q.mul(y1));
+
+    if (!a1 && r.cmp(aprxSqrt) < 0) {
+      a0 = prevR.neg();
+      b0 = x1;
+      a1 = r.neg();
+      b1 = x;
+    } else if (a1 && ++i === 2) {
+      break;
+    }
+    prevR = r;
+
+    v = u;
+    u = r;
+    x2 = x1;
+    x1 = x;
+    y2 = y1;
+    y1 = y;
+  }
+  a2 = r.neg();
+  b2 = x;
+
+  var len1 = a1.sqr().add(b1.sqr());
+  var len2 = a2.sqr().add(b2.sqr());
+  if (len2.cmp(len1) >= 0) {
+    a2 = a0;
+    b2 = b0;
+  }
+
+  // Normalize signs
+  if (a1.negative) {
+    a1 = a1.neg();
+    b1 = b1.neg();
+  }
+  if (a2.negative) {
+    a2 = a2.neg();
+    b2 = b2.neg();
+  }
+
+  return [
+    { a: a1, b: b1 },
+    { a: a2, b: b2 }
+  ];
+};
+
+ShortCurve.prototype._endoSplit = function _endoSplit(k) {
+  var basis = this.endo.basis;
+  var v1 = basis[0];
+  var v2 = basis[1];
+
+  var c1 = v2.b.mul(k).divRound(this.n);
+  var c2 = v1.b.neg().mul(k).divRound(this.n);
+
+  var p1 = c1.mul(v1.a);
+  var p2 = c2.mul(v2.a);
+  var q1 = c1.mul(v1.b);
+  var q2 = c2.mul(v2.b);
+
+  // Calculate answer
+  var k1 = k.sub(p1).sub(p2);
+  var k2 = q1.add(q2).neg();
+  return { k1: k1, k2: k2 };
+};
+
+ShortCurve.prototype.pointFromX = function pointFromX(x, odd) {
+  x = new BN(x, 16);
+  if (!x.red)
+    x = x.toRed(this.red);
+
+  var y2 = x.redSqr().redMul(x).redIAdd(x.redMul(this.a)).redIAdd(this.b);
+  var y = y2.redSqrt();
+  if (y.redSqr().redSub(y2).cmp(this.zero) !== 0)
+    throw new Error('invalid point');
+
+  // XXX Is there any way to tell if the number is odd without converting it
+  // to non-red form?
+  var isOdd = y.fromRed().isOdd();
+  if (odd && !isOdd || !odd && isOdd)
+    y = y.redNeg();
+
+  return this.point(x, y);
+};
+
+ShortCurve.prototype.validate = function validate(point) {
+  if (point.inf)
+    return true;
+
+  var x = point.x;
+  var y = point.y;
+
+  var ax = this.a.redMul(x);
+  var rhs = x.redSqr().redMul(x).redIAdd(ax).redIAdd(this.b);
+  return y.redSqr().redISub(rhs).cmpn(0) === 0;
+};
+
+ShortCurve.prototype._endoWnafMulAdd =
+    function _endoWnafMulAdd(points, coeffs, jacobianResult) {
+  var npoints = this._endoWnafT1;
+  var ncoeffs = this._endoWnafT2;
+  for (var i = 0; i < points.length; i++) {
+    var split = this._endoSplit(coeffs[i]);
+    var p = points[i];
+    var beta = p._getBeta();
+
+    if (split.k1.negative) {
+      split.k1.ineg();
+      p = p.neg(true);
+    }
+    if (split.k2.negative) {
+      split.k2.ineg();
+      beta = beta.neg(true);
+    }
+
+    npoints[i * 2] = p;
+    npoints[i * 2 + 1] = beta;
+    ncoeffs[i * 2] = split.k1;
+    ncoeffs[i * 2 + 1] = split.k2;
+  }
+  var res = this._wnafMulAdd(1, npoints, ncoeffs, i * 2, jacobianResult);
+
+  // Clean-up references to points and coefficients
+  for (var j = 0; j < i * 2; j++) {
+    npoints[j] = null;
+    ncoeffs[j] = null;
+  }
+  return res;
+};
+
+function Point(curve, x, y, isRed) {
+  Base.BasePoint.call(this, curve, 'affine');
+  if (x === null && y === null) {
+    this.x = null;
+    this.y = null;
+    this.inf = true;
+  } else {
+    this.x = new BN(x, 16);
+    this.y = new BN(y, 16);
+    // Force redgomery representation when loading from JSON
+    if (isRed) {
+      this.x.forceRed(this.curve.red);
+      this.y.forceRed(this.curve.red);
+    }
+    if (!this.x.red)
+      this.x = this.x.toRed(this.curve.red);
+    if (!this.y.red)
+      this.y = this.y.toRed(this.curve.red);
+    this.inf = false;
+  }
+}
+inherits(Point, Base.BasePoint);
+
+ShortCurve.prototype.point = function point(x, y, isRed) {
+  return new Point(this, x, y, isRed);
+};
+
+ShortCurve.prototype.pointFromJSON = function pointFromJSON(obj, red) {
+  return Point.fromJSON(this, obj, red);
+};
+
+Point.prototype._getBeta = function _getBeta() {
+  if (!this.curve.endo)
+    return;
+
+  var pre = this.precomputed;
+  if (pre && pre.beta)
+    return pre.beta;
+
+  var beta = this.curve.point(this.x.redMul(this.curve.endo.beta), this.y);
+  if (pre) {
+    var curve = this.curve;
+    var endoMul = function(p) {
+      return curve.point(p.x.redMul(curve.endo.beta), p.y);
+    };
+    pre.beta = beta;
+    beta.precomputed = {
+      beta: null,
+      naf: pre.naf && {
+        wnd: pre.naf.wnd,
+        points: pre.naf.points.map(endoMul)
+      },
+      doubles: pre.doubles && {
+        step: pre.doubles.step,
+        points: pre.doubles.points.map(endoMul)
+      }
+    };
+  }
+  return beta;
+};
+
+Point.prototype.toJSON = function toJSON() {
+  if (!this.precomputed)
+    return [ this.x, this.y ];
+
+  return [ this.x, this.y, this.precomputed && {
+    doubles: this.precomputed.doubles && {
+      step: this.precomputed.doubles.step,
+      points: this.precomputed.doubles.points.slice(1)
+    },
+    naf: this.precomputed.naf && {
+      wnd: this.precomputed.naf.wnd,
+      points: this.precomputed.naf.points.slice(1)
+    }
+  } ];
+};
+
+Point.fromJSON = function fromJSON(curve, obj, red) {
+  if (typeof obj === 'string')
+    obj = JSON.parse(obj);
+  var res = curve.point(obj[0], obj[1], red);
+  if (!obj[2])
+    return res;
+
+  function obj2point(obj) {
+    return curve.point(obj[0], obj[1], red);
+  }
+
+  var pre = obj[2];
+  res.precomputed = {
+    beta: null,
+    doubles: pre.doubles && {
+      step: pre.doubles.step,
+      points: [ res ].concat(pre.doubles.points.map(obj2point))
+    },
+    naf: pre.naf && {
+      wnd: pre.naf.wnd,
+      points: [ res ].concat(pre.naf.points.map(obj2point))
+    }
+  };
+  return res;
+};
+
+Point.prototype.inspect = function inspect() {
+  if (this.isInfinity())
+    return '<EC Point Infinity>';
+  return '<EC Point x: ' + this.x.fromRed().toString(16, 2) +
+      ' y: ' + this.y.fromRed().toString(16, 2) + '>';
+};
+
+Point.prototype.isInfinity = function isInfinity() {
+  return this.inf;
+};
+
+Point.prototype.add = function add(p) {
+  // O + P = P
+  if (this.inf)
+    return p;
+
+  // P + O = P
+  if (p.inf)
+    return this;
+
+  // P + P = 2P
+  if (this.eq(p))
+    return this.dbl();
+
+  // P + (-P) = O
+  if (this.neg().eq(p))
+    return this.curve.point(null, null);
+
+  // P + Q = O
+  if (this.x.cmp(p.x) === 0)
+    return this.curve.point(null, null);
+
+  var c = this.y.redSub(p.y);
+  if (c.cmpn(0) !== 0)
+    c = c.redMul(this.x.redSub(p.x).redInvm());
+  var nx = c.redSqr().redISub(this.x).redISub(p.x);
+  var ny = c.redMul(this.x.redSub(nx)).redISub(this.y);
+  return this.curve.point(nx, ny);
+};
+
+Point.prototype.dbl = function dbl() {
+  if (this.inf)
+    return this;
+
+  // 2P = O
+  var ys1 = this.y.redAdd(this.y);
+  if (ys1.cmpn(0) === 0)
+    return this.curve.point(null, null);
+
+  var a = this.curve.a;
+
+  var x2 = this.x.redSqr();
+  var dyinv = ys1.redInvm();
+  var c = x2.redAdd(x2).redIAdd(x2).redIAdd(a).redMul(dyinv);
+
+  var nx = c.redSqr().redISub(this.x.redAdd(this.x));
+  var ny = c.redMul(this.x.redSub(nx)).redISub(this.y);
+  return this.curve.point(nx, ny);
+};
+
+Point.prototype.getX = function getX() {
+  return this.x.fromRed();
+};
+
+Point.prototype.getY = function getY() {
+  return this.y.fromRed();
+};
+
+Point.prototype.mul = function mul(k) {
+  k = new BN(k, 16);
+
+  if (this._hasDoubles(k))
+    return this.curve._fixedNafMul(this, k);
+  else if (this.curve.endo)
+    return this.curve._endoWnafMulAdd([ this ], [ k ]);
+  else
+    return this.curve._wnafMul(this, k);
+};
+
+Point.prototype.mulAdd = function mulAdd(k1, p2, k2) {
+  var points = [ this, p2 ];
+  var coeffs = [ k1, k2 ];
+  if (this.curve.endo)
+    return this.curve._endoWnafMulAdd(points, coeffs);
+  else
+    return this.curve._wnafMulAdd(1, points, coeffs, 2);
+};
+
+Point.prototype.jmulAdd = function jmulAdd(k1, p2, k2) {
+  var points = [ this, p2 ];
+  var coeffs = [ k1, k2 ];
+  if (this.curve.endo)
+    return this.curve._endoWnafMulAdd(points, coeffs, true);
+  else
+    return this.curve._wnafMulAdd(1, points, coeffs, 2, true);
+};
+
+Point.prototype.eq = function eq(p) {
+  return this === p ||
+         this.inf === p.inf &&
+             (this.inf || this.x.cmp(p.x) === 0 && this.y.cmp(p.y) === 0);
+};
+
+Point.prototype.neg = function neg(_precompute) {
+  if (this.inf)
+    return this;
+
+  var res = this.curve.point(this.x, this.y.redNeg());
+  if (_precompute && this.precomputed) {
+    var pre = this.precomputed;
+    var negate = function(p) {
+      return p.neg();
+    };
+    res.precomputed = {
+      naf: pre.naf && {
+        wnd: pre.naf.wnd,
+        points: pre.naf.points.map(negate)
+      },
+      doubles: pre.doubles && {
+        step: pre.doubles.step,
+        points: pre.doubles.points.map(negate)
+      }
+    };
+  }
+  return res;
+};
+
+Point.prototype.toJ = function toJ() {
+  if (this.inf)
+    return this.curve.jpoint(null, null, null);
+
+  var res = this.curve.jpoint(this.x, this.y, this.curve.one);
+  return res;
+};
+
+function JPoint(curve, x, y, z) {
+  Base.BasePoint.call(this, curve, 'jacobian');
+  if (x === null && y === null && z === null) {
+    this.x = this.curve.one;
+    this.y = this.curve.one;
+    this.z = new BN(0);
+  } else {
+    this.x = new BN(x, 16);
+    this.y = new BN(y, 16);
+    this.z = new BN(z, 16);
+  }
+  if (!this.x.red)
+    this.x = this.x.toRed(this.curve.red);
+  if (!this.y.red)
+    this.y = this.y.toRed(this.curve.red);
+  if (!this.z.red)
+    this.z = this.z.toRed(this.curve.red);
+
+  this.zOne = this.z === this.curve.one;
+}
+inherits(JPoint, Base.BasePoint);
+
+ShortCurve.prototype.jpoint = function jpoint(x, y, z) {
+  return new JPoint(this, x, y, z);
+};
+
+JPoint.prototype.toP = function toP() {
+  if (this.isInfinity())
+    return this.curve.point(null, null);
+
+  var zinv = this.z.redInvm();
+  var zinv2 = zinv.redSqr();
+  var ax = this.x.redMul(zinv2);
+  var ay = this.y.redMul(zinv2).redMul(zinv);
+
+  return this.curve.point(ax, ay);
+};
+
+JPoint.prototype.neg = function neg() {
+  return this.curve.jpoint(this.x, this.y.redNeg(), this.z);
+};
+
+JPoint.prototype.add = function add(p) {
+  // O + P = P
+  if (this.isInfinity())
+    return p;
+
+  // P + O = P
+  if (p.isInfinity())
+    return this;
+
+  // 12M + 4S + 7A
+  var pz2 = p.z.redSqr();
+  var z2 = this.z.redSqr();
+  var u1 = this.x.redMul(pz2);
+  var u2 = p.x.redMul(z2);
+  var s1 = this.y.redMul(pz2.redMul(p.z));
+  var s2 = p.y.redMul(z2.redMul(this.z));
+
+  var h = u1.redSub(u2);
+  var r = s1.redSub(s2);
+  if (h.cmpn(0) === 0) {
+    if (r.cmpn(0) !== 0)
+      return this.curve.jpoint(null, null, null);
+    else
+      return this.dbl();
+  }
+
+  var h2 = h.redSqr();
+  var h3 = h2.redMul(h);
+  var v = u1.redMul(h2);
+
+  var nx = r.redSqr().redIAdd(h3).redISub(v).redISub(v);
+  var ny = r.redMul(v.redISub(nx)).redISub(s1.redMul(h3));
+  var nz = this.z.redMul(p.z).redMul(h);
+
+  return this.curve.jpoint(nx, ny, nz);
+};
+
+JPoint.prototype.mixedAdd = function mixedAdd(p) {
+  // O + P = P
+  if (this.isInfinity())
+    return p.toJ();
+
+  // P + O = P
+  if (p.isInfinity())
+    return this;
+
+  // 8M + 3S + 7A
+  var z2 = this.z.redSqr();
+  var u1 = this.x;
+  var u2 = p.x.redMul(z2);
+  var s1 = this.y;
+  var s2 = p.y.redMul(z2).redMul(this.z);
+
+  var h = u1.redSub(u2);
+  var r = s1.redSub(s2);
+  if (h.cmpn(0) === 0) {
+    if (r.cmpn(0) !== 0)
+      return this.curve.jpoint(null, null, null);
+    else
+      return this.dbl();
+  }
+
+  var h2 = h.redSqr();
+  var h3 = h2.redMul(h);
+  var v = u1.redMul(h2);
+
+  var nx = r.redSqr().redIAdd(h3).redISub(v).redISub(v);
+  var ny = r.redMul(v.redISub(nx)).redISub(s1.redMul(h3));
+  var nz = this.z.redMul(h);
+
+  return this.curve.jpoint(nx, ny, nz);
+};
+
+JPoint.prototype.dblp = function dblp(pow) {
+  if (pow === 0)
+    return this;
+  if (this.isInfinity())
+    return this;
+  if (!pow)
+    return this.dbl();
+
+  if (this.curve.zeroA || this.curve.threeA) {
+    var r = this;
+    for (var i = 0; i < pow; i++)
+      r = r.dbl();
+    return r;
+  }
+
+  // 1M + 2S + 1A + N * (4S + 5M + 8A)
+  // N = 1 => 6M + 6S + 9A
+  var a = this.curve.a;
+  var tinv = this.curve.tinv;
+
+  var jx = this.x;
+  var jy = this.y;
+  var jz = this.z;
+  var jz4 = jz.redSqr().redSqr();
+
+  // Reuse results
+  var jyd = jy.redAdd(jy);
+  for (var i = 0; i < pow; i++) {
+    var jx2 = jx.redSqr();
+    var jyd2 = jyd.redSqr();
+    var jyd4 = jyd2.redSqr();
+    var c = jx2.redAdd(jx2).redIAdd(jx2).redIAdd(a.redMul(jz4));
+
+    var t1 = jx.redMul(jyd2);
+    var nx = c.redSqr().redISub(t1.redAdd(t1));
+    var t2 = t1.redISub(nx);
+    var dny = c.redMul(t2);
+    dny = dny.redIAdd(dny).redISub(jyd4);
+    var nz = jyd.redMul(jz);
+    if (i + 1 < pow)
+      jz4 = jz4.redMul(jyd4);
+
+    jx = nx;
+    jz = nz;
+    jyd = dny;
+  }
+
+  return this.curve.jpoint(jx, jyd.redMul(tinv), jz);
+};
+
+JPoint.prototype.dbl = function dbl() {
+  if (this.isInfinity())
+    return this;
+
+  if (this.curve.zeroA)
+    return this._zeroDbl();
+  else if (this.curve.threeA)
+    return this._threeDbl();
+  else
+    return this._dbl();
+};
+
+JPoint.prototype._zeroDbl = function _zeroDbl() {
+  var nx;
+  var ny;
+  var nz;
+  // Z = 1
+  if (this.zOne) {
+    // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html
+    //     #doubling-mdbl-2007-bl
+    // 1M + 5S + 14A
+
+    // XX = X1^2
+    var xx = this.x.redSqr();
+    // YY = Y1^2
+    var yy = this.y.redSqr();
+    // YYYY = YY^2
+    var yyyy = yy.redSqr();
+    // S = 2 * ((X1 + YY)^2 - XX - YYYY)
+    var s = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);
+    s = s.redIAdd(s);
+    // M = 3 * XX + a; a = 0
+    var m = xx.redAdd(xx).redIAdd(xx);
+    // T = M ^ 2 - 2*S
+    var t = m.redSqr().redISub(s).redISub(s);
+
+    // 8 * YYYY
+    var yyyy8 = yyyy.redIAdd(yyyy);
+    yyyy8 = yyyy8.redIAdd(yyyy8);
+    yyyy8 = yyyy8.redIAdd(yyyy8);
+
+    // X3 = T
+    nx = t;
+    // Y3 = M * (S - T) - 8 * YYYY
+    ny = m.redMul(s.redISub(t)).redISub(yyyy8);
+    // Z3 = 2*Y1
+    nz = this.y.redAdd(this.y);
+  } else {
+    // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html
+    //     #doubling-dbl-2009-l
+    // 2M + 5S + 13A
+
+    // A = X1^2
+    var a = this.x.redSqr();
+    // B = Y1^2
+    var b = this.y.redSqr();
+    // C = B^2
+    var c = b.redSqr();
+    // D = 2 * ((X1 + B)^2 - A - C)
+    var d = this.x.redAdd(b).redSqr().redISub(a).redISub(c);
+    d = d.redIAdd(d);
+    // E = 3 * A
+    var e = a.redAdd(a).redIAdd(a);
+    // F = E^2
+    var f = e.redSqr();
+
+    // 8 * C
+    var c8 = c.redIAdd(c);
+    c8 = c8.redIAdd(c8);
+    c8 = c8.redIAdd(c8);
+
+    // X3 = F - 2 * D
+    nx = f.redISub(d).redISub(d);
+    // Y3 = E * (D - X3) - 8 * C
+    ny = e.redMul(d.redISub(nx)).redISub(c8);
+    // Z3 = 2 * Y1 * Z1
+    nz = this.y.redMul(this.z);
+    nz = nz.redIAdd(nz);
+  }
+
+  return this.curve.jpoint(nx, ny, nz);
+};
+
+JPoint.prototype._threeDbl = function _threeDbl() {
+  var nx;
+  var ny;
+  var nz;
+  // Z = 1
+  if (this.zOne) {
+    // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html
+    //     #doubling-mdbl-2007-bl
+    // 1M + 5S + 15A
+
+    // XX = X1^2
+    var xx = this.x.redSqr();
+    // YY = Y1^2
+    var yy = this.y.redSqr();
+    // YYYY = YY^2
+    var yyyy = yy.redSqr();
+    // S = 2 * ((X1 + YY)^2 - XX - YYYY)
+    var s = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);
+    s = s.redIAdd(s);
+    // M = 3 * XX + a
+    var m = xx.redAdd(xx).redIAdd(xx).redIAdd(this.curve.a);
+    // T = M^2 - 2 * S
+    var t = m.redSqr().redISub(s).redISub(s);
+    // X3 = T
+    nx = t;
+    // Y3 = M * (S - T) - 8 * YYYY
+    var yyyy8 = yyyy.redIAdd(yyyy);
+    yyyy8 = yyyy8.redIAdd(yyyy8);
+    yyyy8 = yyyy8.redIAdd(yyyy8);
+    ny = m.redMul(s.redISub(t)).redISub(yyyy8);
+    // Z3 = 2 * Y1
+    nz = this.y.redAdd(this.y);
+  } else {
+    // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html#doubling-dbl-2001-b
+    // 3M + 5S
+
+    // delta = Z1^2
+    var delta = this.z.redSqr();
+    // gamma = Y1^2
+    var gamma = this.y.redSqr();
+    // beta = X1 * gamma
+    var beta = this.x.redMul(gamma);
+    // alpha = 3 * (X1 - delta) * (X1 + delta)
+    var alpha = this.x.redSub(delta).redMul(this.x.redAdd(delta));
+    alpha = alpha.redAdd(alpha).redIAdd(alpha);
+    // X3 = alpha^2 - 8 * beta
+    var beta4 = beta.redIAdd(beta);
+    beta4 = beta4.redIAdd(beta4);
+    var beta8 = beta4.redAdd(beta4);
+    nx = alpha.redSqr().redISub(beta8);
+    // Z3 = (Y1 + Z1)^2 - gamma - delta
+    nz = this.y.redAdd(this.z).redSqr().redISub(gamma).redISub(delta);
+    // Y3 = alpha * (4 * beta - X3) - 8 * gamma^2
+    var ggamma8 = gamma.redSqr();
+    ggamma8 = ggamma8.redIAdd(ggamma8);
+    ggamma8 = ggamma8.redIAdd(ggamma8);
+    ggamma8 = ggamma8.redIAdd(ggamma8);
+    ny = alpha.redMul(beta4.redISub(nx)).redISub(ggamma8);
+  }
+
+  return this.curve.jpoint(nx, ny, nz);
+};
+
+JPoint.prototype._dbl = function _dbl() {
+  var a = this.curve.a;
+
+  // 4M + 6S + 10A
+  var jx = this.x;
+  var jy = this.y;
+  var jz = this.z;
+  var jz4 = jz.redSqr().redSqr();
+
+  var jx2 = jx.redSqr();
+  var jy2 = jy.redSqr();
+
+  var c = jx2.redAdd(jx2).redIAdd(jx2).redIAdd(a.redMul(jz4));
+
+  var jxd4 = jx.redAdd(jx);
+  jxd4 = jxd4.redIAdd(jxd4);
+  var t1 = jxd4.redMul(jy2);
+  var nx = c.redSqr().redISub(t1.redAdd(t1));
+  var t2 = t1.redISub(nx);
+
+  var jyd8 = jy2.redSqr();
+  jyd8 = jyd8.redIAdd(jyd8);
+  jyd8 = jyd8.redIAdd(jyd8);
+  jyd8 = jyd8.redIAdd(jyd8);
+  var ny = c.redMul(t2).redISub(jyd8);
+  var nz = jy.redAdd(jy).redMul(jz);
+
+  return this.curve.jpoint(nx, ny, nz);
+};
+
+JPoint.prototype.trpl = function trpl() {
+  if (!this.curve.zeroA)
+    return this.dbl().add(this);
+
+  // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html#tripling-tpl-2007-bl
+  // 5M + 10S + ...
+
+  // XX = X1^2
+  var xx = this.x.redSqr();
+  // YY = Y1^2
+  var yy = this.y.redSqr();
+  // ZZ = Z1^2
+  var zz = this.z.redSqr();
+  // YYYY = YY^2
+  var yyyy = yy.redSqr();
+  // M = 3 * XX + a * ZZ2; a = 0
+  var m = xx.redAdd(xx).redIAdd(xx);
+  // MM = M^2
+  var mm = m.redSqr();
+  // E = 6 * ((X1 + YY)^2 - XX - YYYY) - MM
+  var e = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);
+  e = e.redIAdd(e);
+  e = e.redAdd(e).redIAdd(e);
+  e = e.redISub(mm);
+  // EE = E^2
+  var ee = e.redSqr();
+  // T = 16*YYYY
+  var t = yyyy.redIAdd(yyyy);
+  t = t.redIAdd(t);
+  t = t.redIAdd(t);
+  t = t.redIAdd(t);
+  // U = (M + E)^2 - MM - EE - T
+  var u = m.redIAdd(e).redSqr().redISub(mm).redISub(ee).redISub(t);
+  // X3 = 4 * (X1 * EE - 4 * YY * U)
+  var yyu4 = yy.redMul(u);
+  yyu4 = yyu4.redIAdd(yyu4);
+  yyu4 = yyu4.redIAdd(yyu4);
+  var nx = this.x.redMul(ee).redISub(yyu4);
+  nx = nx.redIAdd(nx);
+  nx = nx.redIAdd(nx);
+  // Y3 = 8 * Y1 * (U * (T - U) - E * EE)
+  var ny = this.y.redMul(u.redMul(t.redISub(u)).redISub(e.redMul(ee)));
+  ny = ny.redIAdd(ny);
+  ny = ny.redIAdd(ny);
+  ny = ny.redIAdd(ny);
+  // Z3 = (Z1 + E)^2 - ZZ - EE
+  var nz = this.z.redAdd(e).redSqr().redISub(zz).redISub(ee);
+
+  return this.curve.jpoint(nx, ny, nz);
+};
+
+JPoint.prototype.mul = function mul(k, kbase) {
+  k = new BN(k, kbase);
+
+  return this.curve._wnafMul(this, k);
+};
+
+JPoint.prototype.eq = function eq(p) {
+  if (p.type === 'affine')
+    return this.eq(p.toJ());
+
+  if (this === p)
+    return true;
+
+  // x1 * z2^2 == x2 * z1^2
+  var z2 = this.z.redSqr();
+  var pz2 = p.z.redSqr();
+  if (this.x.redMul(pz2).redISub(p.x.redMul(z2)).cmpn(0) !== 0)
+    return false;
+
+  // y1 * z2^3 == y2 * z1^3
+  var z3 = z2.redMul(this.z);
+  var pz3 = pz2.redMul(p.z);
+  return this.y.redMul(pz3).redISub(p.y.redMul(z3)).cmpn(0) === 0;
+};
+
+JPoint.prototype.eqXToP = function eqXToP(x) {
+  var zs = this.z.redSqr();
+  var rx = x.toRed(this.curve.red).redMul(zs);
+  if (this.x.cmp(rx) === 0)
+    return true;
+
+  var xc = x.clone();
+  var t = this.curve.redN.redMul(zs);
+  for (;;) {
+    xc.iadd(this.curve.n);
+    if (xc.cmp(this.curve.p) >= 0)
+      return false;
+
+    rx.redIAdd(t);
+    if (this.x.cmp(rx) === 0)
+      return true;
+  }
+  return false;
+};
+
+JPoint.prototype.inspect = function inspect() {
+  if (this.isInfinity())
+    return '<EC JPoint Infinity>';
+  return '<EC JPoint x: ' + this.x.toString(16, 2) +
+      ' y: ' + this.y.toString(16, 2) +
+      ' z: ' + this.z.toString(16, 2) + '>';
+};
+
+JPoint.prototype.isInfinity = function isInfinity() {
+  // XXX This code assumes that zero is always zero in red
+  return this.z.cmpn(0) === 0;
+};
+
+},{"../../elliptic":51,"../curve":54,"bn.js":50,"inherits":145}],57:[function(require,module,exports){
+'use strict';
+
+var curves = exports;
+
+var hash = require('hash.js');
+var elliptic = require('../elliptic');
+
+var assert = elliptic.utils.assert;
+
+function PresetCurve(options) {
+  if (options.type === 'short')
+    this.curve = new elliptic.curve.short(options);
+  else if (options.type === 'edwards')
+    this.curve = new elliptic.curve.edwards(options);
+  else
+    this.curve = new elliptic.curve.mont(options);
+  this.g = this.curve.g;
+  this.n = this.curve.n;
+  this.hash = options.hash;
+
+  assert(this.g.validate(), 'Invalid curve');
+  assert(this.g.mul(this.n).isInfinity(), 'Invalid curve, G*N != O');
+}
+curves.PresetCurve = PresetCurve;
+
+function defineCurve(name, options) {
+  Object.defineProperty(curves, name, {
+    configurable: true,
+    enumerable: true,
+    get: function() {
+      var curve = new PresetCurve(options);
+      Object.defineProperty(curves, name, {
+        configurable: true,
+        enumerable: true,
+        value: curve
+      });
+      return curve;
+    }
+  });
+}
+
+defineCurve('p192', {
+  type: 'short',
+  prime: 'p192',
+  p: 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff',
+  a: 'ffffffff ffffffff ffffffff fffffffe ffffffff fffffffc',
+  b: '64210519 e59c80e7 0fa7e9ab 72243049 feb8deec c146b9b1',
+  n: 'ffffffff ffffffff ffffffff 99def836 146bc9b1 b4d22831',
+  hash: hash.sha256,
+  gRed: false,
+  g: [
+    '188da80e b03090f6 7cbf20eb 43a18800 f4ff0afd 82ff1012',
+    '07192b95 ffc8da78 631011ed 6b24cdd5 73f977a1 1e794811'
+  ]
+});
+
+defineCurve('p224', {
+  type: 'short',
+  prime: 'p224',
+  p: 'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001',
+  a: 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff fffffffe',
+  b: 'b4050a85 0c04b3ab f5413256 5044b0b7 d7bfd8ba 270b3943 2355ffb4',
+  n: 'ffffffff ffffffff ffffffff ffff16a2 e0b8f03e 13dd2945 5c5c2a3d',
+  hash: hash.sha256,
+  gRed: false,
+  g: [
+    'b70e0cbd 6bb4bf7f 321390b9 4a03c1d3 56c21122 343280d6 115c1d21',
+    'bd376388 b5f723fb 4c22dfe6 cd4375a0 5a074764 44d58199 85007e34'
+  ]
+});
+
+defineCurve('p256', {
+  type: 'short',
+  prime: null,
+  p: 'ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff ffffffff',
+  a: 'ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff fffffffc',
+  b: '5ac635d8 aa3a93e7 b3ebbd55 769886bc 651d06b0 cc53b0f6 3bce3c3e 27d2604b',
+  n: 'ffffffff 00000000 ffffffff ffffffff bce6faad a7179e84 f3b9cac2 fc632551',
+  hash: hash.sha256,
+  gRed: false,
+  g: [
+    '6b17d1f2 e12c4247 f8bce6e5 63a440f2 77037d81 2deb33a0 f4a13945 d898c296',
+    '4fe342e2 fe1a7f9b 8ee7eb4a 7c0f9e16 2bce3357 6b315ece cbb64068 37bf51f5'
+  ]
+});
+
+defineCurve('p384', {
+  type: 'short',
+  prime: null,
+  p: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
+     'fffffffe ffffffff 00000000 00000000 ffffffff',
+  a: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
+     'fffffffe ffffffff 00000000 00000000 fffffffc',
+  b: 'b3312fa7 e23ee7e4 988e056b e3f82d19 181d9c6e fe814112 0314088f ' +
+     '5013875a c656398d 8a2ed19d 2a85c8ed d3ec2aef',
+  n: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff c7634d81 ' +
+     'f4372ddf 581a0db2 48b0a77a ecec196a ccc52973',
+  hash: hash.sha384,
+  gRed: false,
+  g: [
+    'aa87ca22 be8b0537 8eb1c71e f320ad74 6e1d3b62 8ba79b98 59f741e0 82542a38 ' +
+    '5502f25d bf55296c 3a545e38 72760ab7',
+    '3617de4a 96262c6f 5d9e98bf 9292dc29 f8f41dbd 289a147c e9da3113 b5f0b8c0 ' +
+    '0a60b1ce 1d7e819d 7a431d7c 90ea0e5f'
+  ]
+});
+
+defineCurve('p521', {
+  type: 'short',
+  prime: null,
+  p: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
+     'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
+     'ffffffff ffffffff ffffffff ffffffff ffffffff',
+  a: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
+     'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
+     'ffffffff ffffffff ffffffff ffffffff fffffffc',
+  b: '00000051 953eb961 8e1c9a1f 929a21a0 b68540ee a2da725b ' +
+     '99b315f3 b8b48991 8ef109e1 56193951 ec7e937b 1652c0bd ' +
+     '3bb1bf07 3573df88 3d2c34f1 ef451fd4 6b503f00',
+  n: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
+     'ffffffff ffffffff fffffffa 51868783 bf2f966b 7fcc0148 ' +
+     'f709a5d0 3bb5c9b8 899c47ae bb6fb71e 91386409',
+  hash: hash.sha512,
+  gRed: false,
+  g: [
+    '000000c6 858e06b7 0404e9cd 9e3ecb66 2395b442 9c648139 ' +
+    '053fb521 f828af60 6b4d3dba a14b5e77 efe75928 fe1dc127 ' +
+    'a2ffa8de 3348b3c1 856a429b f97e7e31 c2e5bd66',
+    '00000118 39296a78 9a3bc004 5c8a5fb4 2c7d1bd9 98f54449 ' +
+    '579b4468 17afbd17 273e662c 97ee7299 5ef42640 c550b901 ' +
+    '3fad0761 353c7086 a272c240 88be9476 9fd16650'
+  ]
+});
+
+defineCurve('curve25519', {
+  type: 'mont',
+  prime: 'p25519',
+  p: '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed',
+  a: '76d06',
+  b: '1',
+  n: '1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed',
+  hash: hash.sha256,
+  gRed: false,
+  g: [
+    '9'
+  ]
+});
+
+defineCurve('ed25519', {
+  type: 'edwards',
+  prime: 'p25519',
+  p: '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed',
+  a: '-1',
+  c: '1',
+  // -121665 * (121666^(-1)) (mod P)
+  d: '52036cee2b6ffe73 8cc740797779e898 00700a4d4141d8ab 75eb4dca135978a3',
+  n: '1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed',
+  hash: hash.sha256,
+  gRed: false,
+  g: [
+    '216936d3cd6e53fec0a4e231fdd6dc5c692cc7609525a7b2c9562d608f25d51a',
+
+    // 4/5
+    '6666666666666666666666666666666666666666666666666666666666666658'
+  ]
+});
+
+var pre;
+try {
+  pre = require('./precomputed/secp256k1');
+} catch (e) {
+  pre = undefined;
+}
+
+defineCurve('secp256k1', {
+  type: 'short',
+  prime: 'k256',
+  p: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f',
+  a: '0',
+  b: '7',
+  n: 'ffffffff ffffffff ffffffff fffffffe baaedce6 af48a03b bfd25e8c d0364141',
+  h: '1',
+  hash: hash.sha256,
+
+  // Precomputed endomorphism
+  beta: '7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee',
+  lambda: '5363ad4cc05c30e0a5261c028812645a122e22ea20816678df02967c1b23bd72',
+  basis: [
+    {
+      a: '3086d221a7d46bcde86c90e49284eb15',
+      b: '-e4437ed6010e88286f547fa90abfe4c3'
+    },
+    {
+      a: '114ca50f7a8e2f3f657c1108d9d44cfd8',
+      b: '3086d221a7d46bcde86c90e49284eb15'
+    }
+  ],
+
+  gRed: false,
+  g: [
+    '79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798',
+    '483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8',
+    pre
+  ]
+});
+
+},{"../elliptic":51,"./precomputed/secp256k1":64,"hash.js":129}],58:[function(require,module,exports){
+'use strict';
+
+var BN = require('bn.js');
+var HmacDRBG = require('hmac-drbg');
+var elliptic = require('../../elliptic');
+var utils = elliptic.utils;
+var assert = utils.assert;
+
+var KeyPair = require('./key');
+var Signature = require('./signature');
+
+function EC(options) {
+  if (!(this instanceof EC))
+    return new EC(options);
+
+  // Shortcut `elliptic.ec(curve-name)`
+  if (typeof options === 'string') {
+    assert(elliptic.curves.hasOwnProperty(options), 'Unknown curve ' + options);
+
+    options = elliptic.curves[options];
+  }
+
+  // Shortcut for `elliptic.ec(elliptic.curves.curveName)`
+  if (options instanceof elliptic.curves.PresetCurve)
+    options = { curve: options };
+
+  this.curve = options.curve.curve;
+  this.n = this.curve.n;
+  this.nh = this.n.ushrn(1);
+  this.g = this.curve.g;
+
+  // Point on curve
+  this.g = options.curve.g;
+  this.g.precompute(options.curve.n.bitLength() + 1);
+
+  // Hash for function for DRBG
+  this.hash = options.hash || options.curve.hash;
+}
+module.exports = EC;
+
+EC.prototype.keyPair = function keyPair(options) {
+  return new KeyPair(this, options);
+};
+
+EC.prototype.keyFromPrivate = function keyFromPrivate(priv, enc) {
+  return KeyPair.fromPrivate(this, priv, enc);
+};
+
+EC.prototype.keyFromPublic = function keyFromPublic(pub, enc) {
+  return KeyPair.fromPublic(this, pub, enc);
+};
+
+EC.prototype.genKeyPair = function genKeyPair(options) {
+  if (!options)
+    options = {};
+
+  // Instantiate Hmac_DRBG
+  var drbg = new HmacDRBG({
+    hash: this.hash,
+    pers: options.pers,
+    persEnc: options.persEnc || 'utf8',
+    entropy: options.entropy || elliptic.rand(this.hash.hmacStrength),
+    entropyEnc: options.entropy && options.entropyEnc || 'utf8',
+    nonce: this.n.toArray()
+  });
+
+  var bytes = this.n.byteLength();
+  var ns2 = this.n.sub(new BN(2));
+  do {
+    var priv = new BN(drbg.generate(bytes));
+    if (priv.cmp(ns2) > 0)
+      continue;
+
+    priv.iaddn(1);
+    return this.keyFromPrivate(priv);
+  } while (true);
+};
+
+EC.prototype._truncateToN = function truncateToN(msg, truncOnly) {
+  var delta = msg.byteLength() * 8 - this.n.bitLength();
+  if (delta > 0)
+    msg = msg.ushrn(delta);
+  if (!truncOnly && msg.cmp(this.n) >= 0)
+    return msg.sub(this.n);
+  else
+    return msg;
+};
+
+EC.prototype.sign = function sign(msg, key, enc, options) {
+  if (typeof enc === 'object') {
+    options = enc;
+    enc = null;
+  }
+  if (!options)
+    options = {};
+
+  key = this.keyFromPrivate(key, enc);
+  msg = this._truncateToN(new BN(msg, 16));
+
+  // Zero-extend key to provide enough entropy
+  var bytes = this.n.byteLength();
+  var bkey = key.getPrivate().toArray('be', bytes);
+
+  // Zero-extend nonce to have the same byte size as N
+  var nonce = msg.toArray('be', bytes);
+
+  // Instantiate Hmac_DRBG
+  var drbg = new HmacDRBG({
+    hash: this.hash,
+    entropy: bkey,
+    nonce: nonce,
+    pers: options.pers,
+    persEnc: options.persEnc || 'utf8'
+  });
+
+  // Number of bytes to generate
+  var ns1 = this.n.sub(new BN(1));
+
+  for (var iter = 0; true; iter++) {
+    var k = options.k ?
+        options.k(iter) :
+        new BN(drbg.generate(this.n.byteLength()));
+    k = this._truncateToN(k, true);
+    if (k.cmpn(1) <= 0 || k.cmp(ns1) >= 0)
+      continue;
+
+    var kp = this.g.mul(k);
+    if (kp.isInfinity())
+      continue;
+
+    var kpX = kp.getX();
+    var r = kpX.umod(this.n);
+    if (r.cmpn(0) === 0)
+      continue;
+
+    var s = k.invm(this.n).mul(r.mul(key.getPrivate()).iadd(msg));
+    s = s.umod(this.n);
+    if (s.cmpn(0) === 0)
+      continue;
+
+    var recoveryParam = (kp.getY().isOdd() ? 1 : 0) |
+                        (kpX.cmp(r) !== 0 ? 2 : 0);
+
+    // Use complement of `s`, if it is > `n / 2`
+    if (options.canonical && s.cmp(this.nh) > 0) {
+      s = this.n.sub(s);
+      recoveryParam ^= 1;
+    }
+
+    return new Signature({ r: r, s: s, recoveryParam: recoveryParam });
+  }
+};
+
+EC.prototype.verify = function verify(msg, signature, key, enc) {
+  msg = this._truncateToN(new BN(msg, 16));
+  key = this.keyFromPublic(key, enc);
+  signature = new Signature(signature, 'hex');
+
+  // Perform primitive values validation
+  var r = signature.r;
+  var s = signature.s;
+  if (r.cmpn(1) < 0 || r.cmp(this.n) >= 0)
+    return false;
+  if (s.cmpn(1) < 0 || s.cmp(this.n) >= 0)
+    return false;
+
+  // Validate signature
+  var sinv = s.invm(this.n);
+  var u1 = sinv.mul(msg).umod(this.n);
+  var u2 = sinv.mul(r).umod(this.n);
+
+  if (!this.curve._maxwellTrick) {
+    var p = this.g.mulAdd(u1, key.getPublic(), u2);
+    if (p.isInfinity())
+      return false;
+
+    return p.getX().umod(this.n).cmp(r) === 0;
+  }
+
+  // NOTE: Greg Maxwell's trick, inspired by:
+  // https://git.io/vad3K
+
+  var p = this.g.jmulAdd(u1, key.getPublic(), u2);
+  if (p.isInfinity())
+    return false;
+
+  // Compare `p.x` of Jacobian point with `r`,
+  // this will do `p.x == r * p.z^2` instead of multiplying `p.x` by the
+  // inverse of `p.z^2`
+  return p.eqXToP(r);
+};
+
+EC.prototype.recoverPubKey = function(msg, signature, j, enc) {
+  assert((3 & j) === j, 'The recovery param is more than two bits');
+  signature = new Signature(signature, enc);
+
+  var n = this.n;
+  var e = new BN(msg);
+  var r = signature.r;
+  var s = signature.s;
+
+  // A set LSB signifies that the y-coordinate is odd
+  var isYOdd = j & 1;
+  var isSecondKey = j >> 1;
+  if (r.cmp(this.curve.p.umod(this.curve.n)) >= 0 && isSecondKey)
+    throw new Error('Unable to find sencond key candinate');
+
+  // 1.1. Let x = r + jn.
+  if (isSecondKey)
+    r = this.curve.pointFromX(r.add(this.curve.n), isYOdd);
+  else
+    r = this.curve.pointFromX(r, isYOdd);
+
+  var rInv = signature.r.invm(n);
+  var s1 = n.sub(e).mul(rInv).umod(n);
+  var s2 = s.mul(rInv).umod(n);
+
+  // 1.6.1 Compute Q = r^-1 (sR -  eG)
+  //               Q = r^-1 (sR + -eG)
+  return this.g.mulAdd(s1, r, s2);
+};
+
+EC.prototype.getKeyRecoveryParam = function(e, signature, Q, enc) {
+  signature = new Signature(signature, enc);
+  if (signature.recoveryParam !== null)
+    return signature.recoveryParam;
+
+  for (var i = 0; i < 4; i++) {
+    var Qprime;
+    try {
+      Qprime = this.recoverPubKey(e, signature, i);
+    } catch (e) {
+      continue;
+    }
+
+    if (Qprime.eq(Q))
+      return i;
+  }
+  throw new Error('Unable to find valid recovery factor');
+};
+
+},{"../../elliptic":51,"./key":59,"./signature":60,"bn.js":50,"hmac-drbg":142}],59:[function(require,module,exports){
+'use strict';
+
+var BN = require('bn.js');
+var elliptic = require('../../elliptic');
+var utils = elliptic.utils;
+var assert = utils.assert;
+
+function KeyPair(ec, options) {
+  this.ec = ec;
+  this.priv = null;
+  this.pub = null;
+
+  // KeyPair(ec, { priv: ..., pub: ... })
+  if (options.priv)
+    this._importPrivate(options.priv, options.privEnc);
+  if (options.pub)
+    this._importPublic(options.pub, options.pubEnc);
+}
+module.exports = KeyPair;
+
+KeyPair.fromPublic = function fromPublic(ec, pub, enc) {
+  if (pub instanceof KeyPair)
+    return pub;
+
+  return new KeyPair(ec, {
+    pub: pub,
+    pubEnc: enc
+  });
+};
+
+KeyPair.fromPrivate = function fromPrivate(ec, priv, enc) {
+  if (priv instanceof KeyPair)
+    return priv;
+
+  return new KeyPair(ec, {
+    priv: priv,
+    privEnc: enc
+  });
+};
+
+KeyPair.prototype.validate = function validate() {
+  var pub = this.getPublic();
+
+  if (pub.isInfinity())
+    return { result: false, reason: 'Invalid public key' };
+  if (!pub.validate())
+    return { result: false, reason: 'Public key is not a point' };
+  if (!pub.mul(this.ec.curve.n).isInfinity())
+    return { result: false, reason: 'Public key * N != O' };
+
+  return { result: true, reason: null };
+};
+
+KeyPair.prototype.getPublic = function getPublic(compact, enc) {
+  // compact is optional argument
+  if (typeof compact === 'string') {
+    enc = compact;
+    compact = null;
+  }
+
+  if (!this.pub)
+    this.pub = this.ec.g.mul(this.priv);
+
+  if (!enc)
+    return this.pub;
+
+  return this.pub.encode(enc, compact);
+};
+
+KeyPair.prototype.getPrivate = function getPrivate(enc) {
+  if (enc === 'hex')
+    return this.priv.toString(16, 2);
+  else
+    return this.priv;
+};
+
+KeyPair.prototype._importPrivate = function _importPrivate(key, enc) {
+  this.priv = new BN(key, enc || 16);
+
+  // Ensure that the priv won't be bigger than n, otherwise we may fail
+  // in fixed multiplication method
+  this.priv = this.priv.umod(this.ec.curve.n);
+};
+
+KeyPair.prototype._importPublic = function _importPublic(key, enc) {
+  if (key.x || key.y) {
+    // Montgomery points only have an `x` coordinate.
+    // Weierstrass/Edwards points on the other hand have both `x` and
+    // `y` coordinates.
+    if (this.ec.curve.type === 'mont') {
+      assert(key.x, 'Need x coordinate');
+    } else if (this.ec.curve.type === 'short' ||
+               this.ec.curve.type === 'edwards') {
+      assert(key.x && key.y, 'Need both x and y coordinate');
+    }
+    this.pub = this.ec.curve.point(key.x, key.y);
+    return;
+  }
+  this.pub = this.ec.curve.decodePoint(key, enc);
+};
+
+// ECDH
+KeyPair.prototype.derive = function derive(pub) {
+  return pub.mul(this.priv).getX();
+};
+
+// ECDSA
+KeyPair.prototype.sign = function sign(msg, enc, options) {
+  return this.ec.sign(msg, this, enc, options);
+};
+
+KeyPair.prototype.verify = function verify(msg, signature) {
+  return this.ec.verify(msg, signature, this);
+};
+
+KeyPair.prototype.inspect = function inspect() {
+  return '<Key priv: ' + (this.priv && this.priv.toString(16, 2)) +
+         ' pub: ' + (this.pub && this.pub.inspect()) + ' >';
+};
+
+},{"../../elliptic":51,"bn.js":50}],60:[function(require,module,exports){
+'use strict';
+
+var BN = require('bn.js');
+
+var elliptic = require('../../elliptic');
+var utils = elliptic.utils;
+var assert = utils.assert;
+
+function Signature(options, enc) {
+  if (options instanceof Signature)
+    return options;
+
+  if (this._importDER(options, enc))
+    return;
+
+  assert(options.r && options.s, 'Signature without r or s');
+  this.r = new BN(options.r, 16);
+  this.s = new BN(options.s, 16);
+  if (options.recoveryParam === undefined)
+    this.recoveryParam = null;
+  else
+    this.recoveryParam = options.recoveryParam;
+}
+module.exports = Signature;
+
+function Position() {
+  this.place = 0;
+}
+
+function getLength(buf, p) {
+  var initial = buf[p.place++];
+  if (!(initial & 0x80)) {
+    return initial;
+  }
+  var octetLen = initial & 0xf;
+  var val = 0;
+  for (var i = 0, off = p.place; i < octetLen; i++, off++) {
+    val <<= 8;
+    val |= buf[off];
+  }
+  p.place = off;
+  return val;
+}
+
+function rmPadding(buf) {
+  var i = 0;
+  var len = buf.length - 1;
+  while (!buf[i] && !(buf[i + 1] & 0x80) && i < len) {
+    i++;
+  }
+  if (i === 0) {
+    return buf;
+  }
+  return buf.slice(i);
+}
+
+Signature.prototype._importDER = function _importDER(data, enc) {
+  data = utils.toArray(data, enc);
+  var p = new Position();
+  if (data[p.place++] !== 0x30) {
+    return false;
+  }
+  var len = getLength(data, p);
+  if ((len + p.place) !== data.length) {
+    return false;
+  }
+  if (data[p.place++] !== 0x02) {
+    return false;
+  }
+  var rlen = getLength(data, p);
+  var r = data.slice(p.place, rlen + p.place);
+  p.place += rlen;
+  if (data[p.place++] !== 0x02) {
+    return false;
+  }
+  var slen = getLength(data, p);
+  if (data.length !== slen + p.place) {
+    return false;
+  }
+  var s = data.slice(p.place, slen + p.place);
+  if (r[0] === 0 && (r[1] & 0x80)) {
+    r = r.slice(1);
+  }
+  if (s[0] === 0 && (s[1] & 0x80)) {
+    s = s.slice(1);
+  }
+
+  this.r = new BN(r);
+  this.s = new BN(s);
+  this.recoveryParam = null;
+
+  return true;
+};
+
+function constructLength(arr, len) {
+  if (len < 0x80) {
+    arr.push(len);
+    return;
+  }
+  var octets = 1 + (Math.log(len) / Math.LN2 >>> 3);
+  arr.push(octets | 0x80);
+  while (--octets) {
+    arr.push((len >>> (octets << 3)) & 0xff);
+  }
+  arr.push(len);
+}
+
+Signature.prototype.toDER = function toDER(enc) {
+  var r = this.r.toArray();
+  var s = this.s.toArray();
+
+  // Pad values
+  if (r[0] & 0x80)
+    r = [ 0 ].concat(r);
+  // Pad values
+  if (s[0] & 0x80)
+    s = [ 0 ].concat(s);
+
+  r = rmPadding(r);
+  s = rmPadding(s);
+
+  while (!s[0] && !(s[1] & 0x80)) {
+    s = s.slice(1);
+  }
+  var arr = [ 0x02 ];
+  constructLength(arr, r.length);
+  arr = arr.concat(r);
+  arr.push(0x02);
+  constructLength(arr, s.length);
+  var backHalf = arr.concat(s);
+  var res = [ 0x30 ];
+  constructLength(res, backHalf.length);
+  res = res.concat(backHalf);
+  return utils.encode(res, enc);
+};
+
+},{"../../elliptic":51,"bn.js":50}],61:[function(require,module,exports){
+'use strict';
+
+var hash = require('hash.js');
+var elliptic = require('../../elliptic');
+var utils = elliptic.utils;
+var assert = utils.assert;
+var parseBytes = utils.parseBytes;
+var KeyPair = require('./key');
+var Signature = require('./signature');
+
+function EDDSA(curve) {
+  assert(curve === 'ed25519', 'only tested with ed25519 so far');
+
+  if (!(this instanceof EDDSA))
+    return new EDDSA(curve);
+
+  var curve = elliptic.curves[curve].curve;
+  this.curve = curve;
+  this.g = curve.g;
+  this.g.precompute(curve.n.bitLength() + 1);
+
+  this.pointClass = curve.point().constructor;
+  this.encodingLength = Math.ceil(curve.n.bitLength() / 8);
+  this.hash = hash.sha512;
+}
+
+module.exports = EDDSA;
+
+/**
+* @param {Array|String} message - message bytes
+* @param {Array|String|KeyPair} secret - secret bytes or a keypair
+* @returns {Signature} - signature
+*/
+EDDSA.prototype.sign = function sign(message, secret) {
+  message = parseBytes(message);
+  var key = this.keyFromSecret(secret);
+  var r = this.hashInt(key.messagePrefix(), message);
+  var R = this.g.mul(r);
+  var Rencoded = this.encodePoint(R);
+  var s_ = this.hashInt(Rencoded, key.pubBytes(), message)
+               .mul(key.priv());
+  var S = r.add(s_).umod(this.curve.n);
+  return this.makeSignature({ R: R, S: S, Rencoded: Rencoded });
+};
+
+/**
+* @param {Array} message - message bytes
+* @param {Array|String|Signature} sig - sig bytes
+* @param {Array|String|Point|KeyPair} pub - public key
+* @returns {Boolean} - true if public key matches sig of message
+*/
+EDDSA.prototype.verify = function verify(message, sig, pub) {
+  message = parseBytes(message);
+  sig = this.makeSignature(sig);
+  var key = this.keyFromPublic(pub);
+  var h = this.hashInt(sig.Rencoded(), key.pubBytes(), message);
+  var SG = this.g.mul(sig.S());
+  var RplusAh = sig.R().add(key.pub().mul(h));
+  return RplusAh.eq(SG);
+};
+
+EDDSA.prototype.hashInt = function hashInt() {
+  var hash = this.hash();
+  for (var i = 0; i < arguments.length; i++)
+    hash.update(arguments[i]);
+  return utils.intFromLE(hash.digest()).umod(this.curve.n);
+};
+
+EDDSA.prototype.keyFromPublic = function keyFromPublic(pub) {
+  return KeyPair.fromPublic(this, pub);
+};
+
+EDDSA.prototype.keyFromSecret = function keyFromSecret(secret) {
+  return KeyPair.fromSecret(this, secret);
+};
+
+EDDSA.prototype.makeSignature = function makeSignature(sig) {
+  if (sig instanceof Signature)
+    return sig;
+  return new Signature(this, sig);
+};
+
+/**
+* * https://tools.ietf.org/html/draft-josefsson-eddsa-ed25519-03#section-5.2
+*
+* EDDSA defines methods for encoding and decoding points and integers. These are
+* helper convenience methods, that pass along to utility functions implied
+* parameters.
+*
+*/
+EDDSA.prototype.encodePoint = function encodePoint(point) {
+  var enc = point.getY().toArray('le', this.encodingLength);
+  enc[this.encodingLength - 1] |= point.getX().isOdd() ? 0x80 : 0;
+  return enc;
+};
+
+EDDSA.prototype.decodePoint = function decodePoint(bytes) {
+  bytes = utils.parseBytes(bytes);
+
+  var lastIx = bytes.length - 1;
+  var normed = bytes.slice(0, lastIx).concat(bytes[lastIx] & ~0x80);
+  var xIsOdd = (bytes[lastIx] & 0x80) !== 0;
+
+  var y = utils.intFromLE(normed);
+  return this.curve.pointFromY(y, xIsOdd);
+};
+
+EDDSA.prototype.encodeInt = function encodeInt(num) {
+  return num.toArray('le', this.encodingLength);
+};
+
+EDDSA.prototype.decodeInt = function decodeInt(bytes) {
+  return utils.intFromLE(bytes);
+};
+
+EDDSA.prototype.isPoint = function isPoint(val) {
+  return val instanceof this.pointClass;
+};
+
+},{"../../elliptic":51,"./key":62,"./signature":63,"hash.js":129}],62:[function(require,module,exports){
+'use strict';
+
+var elliptic = require('../../elliptic');
+var utils = elliptic.utils;
+var assert = utils.assert;
+var parseBytes = utils.parseBytes;
+var cachedProperty = utils.cachedProperty;
+
+/**
+* @param {EDDSA} eddsa - instance
+* @param {Object} params - public/private key parameters
+*
+* @param {Array<Byte>} [params.secret] - secret seed bytes
+* @param {Point} [params.pub] - public key point (aka `A` in eddsa terms)
+* @param {Array<Byte>} [params.pub] - public key point encoded as bytes
+*
+*/
+function KeyPair(eddsa, params) {
+  this.eddsa = eddsa;
+  this._secret = parseBytes(params.secret);
+  if (eddsa.isPoint(params.pub))
+    this._pub = params.pub;
+  else
+    this._pubBytes = parseBytes(params.pub);
+}
+
+KeyPair.fromPublic = function fromPublic(eddsa, pub) {
+  if (pub instanceof KeyPair)
+    return pub;
+  return new KeyPair(eddsa, { pub: pub });
+};
+
+KeyPair.fromSecret = function fromSecret(eddsa, secret) {
+  if (secret instanceof KeyPair)
+    return secret;
+  return new KeyPair(eddsa, { secret: secret });
+};
+
+KeyPair.prototype.secret = function secret() {
+  return this._secret;
+};
+
+cachedProperty(KeyPair, 'pubBytes', function pubBytes() {
+  return this.eddsa.encodePoint(this.pub());
+});
+
+cachedProperty(KeyPair, 'pub', function pub() {
+  if (this._pubBytes)
+    return this.eddsa.decodePoint(this._pubBytes);
+  return this.eddsa.g.mul(this.priv());
+});
+
+cachedProperty(KeyPair, 'privBytes', function privBytes() {
+  var eddsa = this.eddsa;
+  var hash = this.hash();
+  var lastIx = eddsa.encodingLength - 1;
+
+  var a = hash.slice(0, eddsa.encodingLength);
+  a[0] &= 248;
+  a[lastIx] &= 127;
+  a[lastIx] |= 64;
+
+  return a;
+});
+
+cachedProperty(KeyPair, 'priv', function priv() {
+  return this.eddsa.decodeInt(this.privBytes());
+});
+
+cachedProperty(KeyPair, 'hash', function hash() {
+  return this.eddsa.hash().update(this.secret()).digest();
+});
+
+cachedProperty(KeyPair, 'messagePrefix', function messagePrefix() {
+  return this.hash().slice(this.eddsa.encodingLength);
+});
+
+KeyPair.prototype.sign = function sign(message) {
+  assert(this._secret, 'KeyPair can only verify');
+  return this.eddsa.sign(message, this);
+};
+
+KeyPair.prototype.verify = function verify(message, sig) {
+  return this.eddsa.verify(message, sig, this);
+};
+
+KeyPair.prototype.getSecret = function getSecret(enc) {
+  assert(this._secret, 'KeyPair is public only');
+  return utils.encode(this.secret(), enc);
+};
+
+KeyPair.prototype.getPublic = function getPublic(enc) {
+  return utils.encode(this.pubBytes(), enc);
+};
+
+module.exports = KeyPair;
+
+},{"../../elliptic":51}],63:[function(require,module,exports){
+'use strict';
+
+var BN = require('bn.js');
+var elliptic = require('../../elliptic');
+var utils = elliptic.utils;
+var assert = utils.assert;
+var cachedProperty = utils.cachedProperty;
+var parseBytes = utils.parseBytes;
+
+/**
+* @param {EDDSA} eddsa - eddsa instance
+* @param {Array<Bytes>|Object} sig -
+* @param {Array<Bytes>|Point} [sig.R] - R point as Point or bytes
+* @param {Array<Bytes>|bn} [sig.S] - S scalar as bn or bytes
+* @param {Array<Bytes>} [sig.Rencoded] - R point encoded
+* @param {Array<Bytes>} [sig.Sencoded] - S scalar encoded
+*/
+function Signature(eddsa, sig) {
+  this.eddsa = eddsa;
+
+  if (typeof sig !== 'object')
+    sig = parseBytes(sig);
+
+  if (Array.isArray(sig)) {
+    sig = {
+      R: sig.slice(0, eddsa.encodingLength),
+      S: sig.slice(eddsa.encodingLength)
+    };
+  }
+
+  assert(sig.R && sig.S, 'Signature without R or S');
+
+  if (eddsa.isPoint(sig.R))
+    this._R = sig.R;
+  if (sig.S instanceof BN)
+    this._S = sig.S;
+
+  this._Rencoded = Array.isArray(sig.R) ? sig.R : sig.Rencoded;
+  this._Sencoded = Array.isArray(sig.S) ? sig.S : sig.Sencoded;
+}
+
+cachedProperty(Signature, 'S', function S() {
+  return this.eddsa.decodeInt(this.Sencoded());
+});
+
+cachedProperty(Signature, 'R', function R() {
+  return this.eddsa.decodePoint(this.Rencoded());
+});
+
+cachedProperty(Signature, 'Rencoded', function Rencoded() {
+  return this.eddsa.encodePoint(this.R());
+});
+
+cachedProperty(Signature, 'Sencoded', function Sencoded() {
+  return this.eddsa.encodeInt(this.S());
+});
+
+Signature.prototype.toBytes = function toBytes() {
+  return this.Rencoded().concat(this.Sencoded());
+};
+
+Signature.prototype.toHex = function toHex() {
+  return utils.encode(this.toBytes(), 'hex').toUpperCase();
+};
+
+module.exports = Signature;
+
+},{"../../elliptic":51,"bn.js":50}],64:[function(require,module,exports){
+module.exports = {
+  doubles: {
+    step: 4,
+    points: [
+      [
+        'e60fce93b59e9ec53011aabc21c23e97b2a31369b87a5ae9c44ee89e2a6dec0a',
+        'f7e3507399e595929db99f34f57937101296891e44d23f0be1f32cce69616821'
+      ],
+      [
+        '8282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508',
+        '11f8a8098557dfe45e8256e830b60ace62d613ac2f7b17bed31b6eaff6e26caf'
+      ],
+      [
+        '175e159f728b865a72f99cc6c6fc846de0b93833fd2222ed73fce5b551e5b739',
+        'd3506e0d9e3c79eba4ef97a51ff71f5eacb5955add24345c6efa6ffee9fed695'
+      ],
+      [
+        '363d90d447b00c9c99ceac05b6262ee053441c7e55552ffe526bad8f83ff4640',
+        '4e273adfc732221953b445397f3363145b9a89008199ecb62003c7f3bee9de9'
+      ],
+      [
+        '8b4b5f165df3c2be8c6244b5b745638843e4a781a15bcd1b69f79a55dffdf80c',
+        '4aad0a6f68d308b4b3fbd7813ab0da04f9e336546162ee56b3eff0c65fd4fd36'
+      ],
+      [
+        '723cbaa6e5db996d6bf771c00bd548c7b700dbffa6c0e77bcb6115925232fcda',
+        '96e867b5595cc498a921137488824d6e2660a0653779494801dc069d9eb39f5f'
+      ],
+      [
+        'eebfa4d493bebf98ba5feec812c2d3b50947961237a919839a533eca0e7dd7fa',
+        '5d9a8ca3970ef0f269ee7edaf178089d9ae4cdc3a711f712ddfd4fdae1de8999'
+      ],
+      [
+        '100f44da696e71672791d0a09b7bde459f1215a29b3c03bfefd7835b39a48db0',
+        'cdd9e13192a00b772ec8f3300c090666b7ff4a18ff5195ac0fbd5cd62bc65a09'
+      ],
+      [
+        'e1031be262c7ed1b1dc9227a4a04c017a77f8d4464f3b3852c8acde6e534fd2d',
+        '9d7061928940405e6bb6a4176597535af292dd419e1ced79a44f18f29456a00d'
+      ],
+      [
+        'feea6cae46d55b530ac2839f143bd7ec5cf8b266a41d6af52d5e688d9094696d',
+        'e57c6b6c97dce1bab06e4e12bf3ecd5c981c8957cc41442d3155debf18090088'
+      ],
+      [
+        'da67a91d91049cdcb367be4be6ffca3cfeed657d808583de33fa978bc1ec6cb1',
+        '9bacaa35481642bc41f463f7ec9780e5dec7adc508f740a17e9ea8e27a68be1d'
+      ],
+      [
+        '53904faa0b334cdda6e000935ef22151ec08d0f7bb11069f57545ccc1a37b7c0',
+        '5bc087d0bc80106d88c9eccac20d3c1c13999981e14434699dcb096b022771c8'
+      ],
+      [
+        '8e7bcd0bd35983a7719cca7764ca906779b53a043a9b8bcaeff959f43ad86047',
+        '10b7770b2a3da4b3940310420ca9514579e88e2e47fd68b3ea10047e8460372a'
+      ],
+      [
+        '385eed34c1cdff21e6d0818689b81bde71a7f4f18397e6690a841e1599c43862',
+        '283bebc3e8ea23f56701de19e9ebf4576b304eec2086dc8cc0458fe5542e5453'
+      ],
+      [
+        '6f9d9b803ecf191637c73a4413dfa180fddf84a5947fbc9c606ed86c3fac3a7',
+        '7c80c68e603059ba69b8e2a30e45c4d47ea4dd2f5c281002d86890603a842160'
+      ],
+      [
+        '3322d401243c4e2582a2147c104d6ecbf774d163db0f5e5313b7e0e742d0e6bd',
+        '56e70797e9664ef5bfb019bc4ddaf9b72805f63ea2873af624f3a2e96c28b2a0'
+      ],
+      [
+        '85672c7d2de0b7da2bd1770d89665868741b3f9af7643397721d74d28134ab83',
+        '7c481b9b5b43b2eb6374049bfa62c2e5e77f17fcc5298f44c8e3094f790313a6'
+      ],
+      [
+        '948bf809b1988a46b06c9f1919413b10f9226c60f668832ffd959af60c82a0a',
+        '53a562856dcb6646dc6b74c5d1c3418c6d4dff08c97cd2bed4cb7f88d8c8e589'
+      ],
+      [
+        '6260ce7f461801c34f067ce0f02873a8f1b0e44dfc69752accecd819f38fd8e8',
+        'bc2da82b6fa5b571a7f09049776a1ef7ecd292238051c198c1a84e95b2b4ae17'
+      ],
+      [
+        'e5037de0afc1d8d43d8348414bbf4103043ec8f575bfdc432953cc8d2037fa2d',
+        '4571534baa94d3b5f9f98d09fb990bddbd5f5b03ec481f10e0e5dc841d755bda'
+      ],
+      [
+        'e06372b0f4a207adf5ea905e8f1771b4e7e8dbd1c6a6c5b725866a0ae4fce725',
+        '7a908974bce18cfe12a27bb2ad5a488cd7484a7787104870b27034f94eee31dd'
+      ],
+      [
+        '213c7a715cd5d45358d0bbf9dc0ce02204b10bdde2a3f58540ad6908d0559754',
+        '4b6dad0b5ae462507013ad06245ba190bb4850f5f36a7eeddff2c27534b458f2'
+      ],
+      [
+        '4e7c272a7af4b34e8dbb9352a5419a87e2838c70adc62cddf0cc3a3b08fbd53c',
+        '17749c766c9d0b18e16fd09f6def681b530b9614bff7dd33e0b3941817dcaae6'
+      ],
+      [
+        'fea74e3dbe778b1b10f238ad61686aa5c76e3db2be43057632427e2840fb27b6',
+        '6e0568db9b0b13297cf674deccb6af93126b596b973f7b77701d3db7f23cb96f'
+      ],
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+      [
+        '809a20c67d64900ffb698c4c825f6d5f2310fb0451c869345b7319f645605721',
+        '9e994980d9917e22b76b061927fa04143d096ccc54963e6a5ebfa5f3f8e286c1'
+      ],
+      [
+        '1b38903a43f7f114ed4500b4eac7083fdefece1cf29c63528d563446f972c180',
+        '4036edc931a60ae889353f77fd53de4a2708b26b6f5da72ad3394119daf408f9'
+      ]
+    ]
+  }
+};
+
+},{}],65:[function(require,module,exports){
+'use strict';
+
+var utils = exports;
+var BN = require('bn.js');
+var minAssert = require('minimalistic-assert');
+var minUtils = require('minimalistic-crypto-utils');
+
+utils.assert = minAssert;
+utils.toArray = minUtils.toArray;
+utils.zero2 = minUtils.zero2;
+utils.toHex = minUtils.toHex;
+utils.encode = minUtils.encode;
+
+// Represent num in a w-NAF form
+function getNAF(num, w) {
+  var naf = [];
+  var ws = 1 << (w + 1);
+  var k = num.clone();
+  while (k.cmpn(1) >= 0) {
+    var z;
+    if (k.isOdd()) {
+      var mod = k.andln(ws - 1);
+      if (mod > (ws >> 1) - 1)
+        z = (ws >> 1) - mod;
+      else
+        z = mod;
+      k.isubn(z);
+    } else {
+      z = 0;
+    }
+    naf.push(z);
+
+    // Optimization, shift by word if possible
+    var shift = (k.cmpn(0) !== 0 && k.andln(ws - 1) === 0) ? (w + 1) : 1;
+    for (var i = 1; i < shift; i++)
+      naf.push(0);
+    k.iushrn(shift);
+  }
+
+  return naf;
+}
+utils.getNAF = getNAF;
+
+// Represent k1, k2 in a Joint Sparse Form
+function getJSF(k1, k2) {
+  var jsf = [
+    [],
+    []
+  ];
+
+  k1 = k1.clone();
+  k2 = k2.clone();
+  var d1 = 0;
+  var d2 = 0;
+  while (k1.cmpn(-d1) > 0 || k2.cmpn(-d2) > 0) {
+
+    // First phase
+    var m14 = (k1.andln(3) + d1) & 3;
+    var m24 = (k2.andln(3) + d2) & 3;
+    if (m14 === 3)
+      m14 = -1;
+    if (m24 === 3)
+      m24 = -1;
+    var u1;
+    if ((m14 & 1) === 0) {
+      u1 = 0;
+    } else {
+      var m8 = (k1.andln(7) + d1) & 7;
+      if ((m8 === 3 || m8 === 5) && m24 === 2)
+        u1 = -m14;
+      else
+        u1 = m14;
+    }
+    jsf[0].push(u1);
+
+    var u2;
+    if ((m24 & 1) === 0) {
+      u2 = 0;
+    } else {
+      var m8 = (k2.andln(7) + d2) & 7;
+      if ((m8 === 3 || m8 === 5) && m14 === 2)
+        u2 = -m24;
+      else
+        u2 = m24;
+    }
+    jsf[1].push(u2);
+
+    // Second phase
+    if (2 * d1 === u1 + 1)
+      d1 = 1 - d1;
+    if (2 * d2 === u2 + 1)
+      d2 = 1 - d2;
+    k1.iushrn(1);
+    k2.iushrn(1);
+  }
+
+  return jsf;
+}
+utils.getJSF = getJSF;
+
+function cachedProperty(obj, name, computer) {
+  var key = '_' + name;
+  obj.prototype[name] = function cachedProperty() {
+    return this[key] !== undefined ? this[key] :
+           this[key] = computer.call(this);
+  };
+}
+utils.cachedProperty = cachedProperty;
+
+function parseBytes(bytes) {
+  return typeof bytes === 'string' ? utils.toArray(bytes, 'hex') :
+                                     bytes;
+}
+utils.parseBytes = parseBytes;
+
+function intFromLE(bytes) {
+  return new BN(bytes, 'hex', 'le');
+}
+utils.intFromLE = intFromLE;
+
+
+},{"bn.js":50,"minimalistic-assert":153,"minimalistic-crypto-utils":154}],66:[function(require,module,exports){
+module.exports={
+  "_args": [
+    [
+      "elliptic@6.4.0",
+      "/home/emilio/dev/bitcoincashjs/bitcoincashjs"
+    ]
+  ],
+  "_development": true,
+  "_from": "elliptic@6.4.0",
+  "_id": "elliptic@6.4.0",
+  "_inBundle": false,
+  "_integrity": "sha1-ysmvh2LIWDYYcAPI3+GT5eLq5d8=",
+  "_location": "/browserify-sign/elliptic",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "version",
+    "registry": true,
+    "raw": "elliptic@6.4.0",
+    "name": "elliptic",
+    "escapedName": "elliptic",
+    "rawSpec": "6.4.0",
+    "saveSpec": null,
+    "fetchSpec": "6.4.0"
+  },
+  "_requiredBy": [
+    "/browserify-sign"
+  ],
+  "_resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.4.0.tgz",
+  "_spec": "6.4.0",
+  "_where": "/home/emilio/dev/bitcoincashjs/bitcoincashjs",
+  "author": {
+    "name": "Fedor Indutny",
+    "email": "fedor@indutny.com"
+  },
+  "bugs": {
+    "url": "https://github.com/indutny/elliptic/issues"
+  },
+  "dependencies": {
+    "bn.js": "^4.4.0",
+    "brorand": "^1.0.1",
+    "hash.js": "^1.0.0",
+    "hmac-drbg": "^1.0.0",
+    "inherits": "^2.0.1",
+    "minimalistic-assert": "^1.0.0",
+    "minimalistic-crypto-utils": "^1.0.0"
+  },
+  "description": "EC cryptography",
+  "devDependencies": {
+    "brfs": "^1.4.3",
+    "coveralls": "^2.11.3",
+    "grunt": "^0.4.5",
+    "grunt-browserify": "^5.0.0",
+    "grunt-cli": "^1.2.0",
+    "grunt-contrib-connect": "^1.0.0",
+    "grunt-contrib-copy": "^1.0.0",
+    "grunt-contrib-uglify": "^1.0.1",
+    "grunt-mocha-istanbul": "^3.0.1",
+    "grunt-saucelabs": "^8.6.2",
+    "istanbul": "^0.4.2",
+    "jscs": "^2.9.0",
+    "jshint": "^2.6.0",
+    "mocha": "^2.1.0"
+  },
+  "files": [
+    "lib"
+  ],
+  "homepage": "https://github.com/indutny/elliptic",
+  "keywords": [
+    "EC",
+    "Elliptic",
+    "curve",
+    "Cryptography"
+  ],
+  "license": "MIT",
+  "main": "lib/elliptic.js",
+  "name": "elliptic",
+  "repository": {
+    "type": "git",
+    "url": "git+ssh://git@github.com/indutny/elliptic.git"
+  },
+  "scripts": {
+    "jscs": "jscs benchmarks/*.js lib/*.js lib/**/*.js lib/**/**/*.js test/index.js",
+    "jshint": "jscs benchmarks/*.js lib/*.js lib/**/*.js lib/**/**/*.js test/index.js",
+    "lint": "npm run jscs && npm run jshint",
+    "test": "npm run lint && npm run unit",
+    "unit": "istanbul test _mocha --reporter=spec test/index.js",
+    "version": "grunt dist && git add dist/"
+  },
+  "version": "6.4.0"
+}
+
+},{}],67:[function(require,module,exports){
+// Base58 encoding/decoding
+// Originally written by Mike Hearn for BitcoinJ
+// Copyright (c) 2011 Google Inc
+// Ported to JavaScript by Stefan Thomas
+// Merged Buffer refactorings from base58-native by Stephen Pair
+// Copyright (c) 2013 BitPay Inc
+
+var ALPHABET = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'
+var ALPHABET_MAP = {}
+for(var i = 0; i < ALPHABET.length; i++) {
+  ALPHABET_MAP[ALPHABET.charAt(i)] = i
+}
+var BASE = 58
+
+function encode(buffer) {
+  if (buffer.length === 0) return ''
+
+  var i, j, digits = [0]
+  for (i = 0; i < buffer.length; i++) {
+    for (j = 0; j < digits.length; j++) digits[j] <<= 8
+
+    digits[0] += buffer[i]
+
+    var carry = 0
+    for (j = 0; j < digits.length; ++j) {
+      digits[j] += carry
+
+      carry = (digits[j] / BASE) | 0
+      digits[j] %= BASE
+    }
+
+    while (carry) {
+      digits.push(carry % BASE)
+
+      carry = (carry / BASE) | 0
+    }
+  }
+
+  // deal with leading zeros
+  for (i = 0; buffer[i] === 0 && i < buffer.length - 1; i++) digits.push(0)
+
+  return digits.reverse().map(function(digit) { return ALPHABET[digit] }).join('')
+}
+
+function decode(string) {
+  if (string.length === 0) return []
+
+  var i, j, bytes = [0]
+  for (i = 0; i < string.length; i++) {
+    var c = string[i]
+    if (!(c in ALPHABET_MAP)) throw new Error('Non-base58 character')
+
+    for (j = 0; j < bytes.length; j++) bytes[j] *= BASE
+    bytes[0] += ALPHABET_MAP[c]
+
+    var carry = 0
+    for (j = 0; j < bytes.length; ++j) {
+      bytes[j] += carry
+
+      carry = bytes[j] >> 8
+      bytes[j] &= 0xff
+    }
+
+    while (carry) {
+      bytes.push(carry & 0xff)
+
+      carry >>= 8
+    }
+  }
+
+  // deal with leading zeros
+  for (i = 0; string[i] === '1' && i < string.length - 1; i++) bytes.push(0)
+
+  return bytes.reverse()
+}
+
+module.exports = {
+  encode: encode,
+  decode: decode
+}
+
+},{}],68:[function(require,module,exports){
+
+
+module.exports = function(cmp,to){
+  var c = 0;
+  for(var i=0;i<cmp.length;++i){
+    if(i == to.length) break;
+    c = cmp[i] < to[i]?-1:cmp[i] > to[i]?1:0;    
+    if(c != 0) break;
+  }
+  if(c == 0){
+    if(to.length > cmp.length) c = -1;
+    else if(cmp.length > to.length) c = 1;
+  }
+  return c;
+}
+
+
+},{}],69:[function(require,module,exports){
+(function (Buffer){
+module.exports = function xor (a, b) {
+  var length = Math.min(a.length, b.length)
+  var buffer = new Buffer(length)
+
+  for (var i = 0; i < length; ++i) {
+    buffer[i] = a[i] ^ b[i]
+  }
+
+  return buffer
+}
+
+}).call(this,require("buffer").Buffer)
+},{"buffer":70}],70:[function(require,module,exports){
+/*!
+ * The buffer module from node.js, for the browser.
+ *
+ * @author   Feross Aboukhadijeh <https://feross.org>
+ * @license  MIT
+ */
+/* eslint-disable no-proto */
+
+'use strict'
+
+var base64 = require('base64-js')
+var ieee754 = require('ieee754')
+
+exports.Buffer = Buffer
+exports.SlowBuffer = SlowBuffer
+exports.INSPECT_MAX_BYTES = 50
+
+var K_MAX_LENGTH = 0x7fffffff
+exports.kMaxLength = K_MAX_LENGTH
+
+/**
+ * If `Buffer.TYPED_ARRAY_SUPPORT`:
+ *   === true    Use Uint8Array implementation (fastest)
+ *   === false   Print warning and recommend using `buffer` v4.x which has an Object
+ *               implementation (most compatible, even IE6)
+ *
+ * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
+ * Opera 11.6+, iOS 4.2+.
+ *
+ * We report that the browser does not support typed arrays if the are not subclassable
+ * using __proto__. Firefox 4-29 lacks support for adding new properties to `Uint8Array`
+ * (See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438). IE 10 lacks support
+ * for __proto__ and has a buggy typed array implementation.
+ */
+Buffer.TYPED_ARRAY_SUPPORT = typedArraySupport()
+
+if (!Buffer.TYPED_ARRAY_SUPPORT && typeof console !== 'undefined' &&
+    typeof console.error === 'function') {
+  console.error(
+    'This browser lacks typed array (Uint8Array) support which is required by ' +
+    '`buffer` v5.x. Use `buffer` v4.x if you require old browser support.'
+  )
+}
+
+function typedArraySupport () {
+  // Can typed array instances can be augmented?
+  try {
+    var arr = new Uint8Array(1)
+    arr.__proto__ = {__proto__: Uint8Array.prototype, foo: function () { return 42 }}
+    return arr.foo() === 42
+  } catch (e) {
+    return false
+  }
+}
+
+function createBuffer (length) {
+  if (length > K_MAX_LENGTH) {
+    throw new RangeError('Invalid typed array length')
+  }
+  // Return an augmented `Uint8Array` instance
+  var buf = new Uint8Array(length)
+  buf.__proto__ = Buffer.prototype
+  return buf
+}
+
+/**
+ * The Buffer constructor returns instances of `Uint8Array` that have their
+ * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
+ * `Uint8Array`, so the returned instances will have all the node `Buffer` methods
+ * and the `Uint8Array` methods. Square bracket notation works as expected -- it
+ * returns a single octet.
+ *
+ * The `Uint8Array` prototype remains unmodified.
+ */
+
+function Buffer (arg, encodingOrOffset, length) {
+  // Common case.
+  if (typeof arg === 'number') {
+    if (typeof encodingOrOffset === 'string') {
+      throw new Error(
+        'If encoding is specified then the first argument must be a string'
+      )
+    }
+    return allocUnsafe(arg)
+  }
+  return from(arg, encodingOrOffset, length)
+}
+
+// Fix subarray() in ES2016. See: https://github.com/feross/buffer/pull/97
+if (typeof Symbol !== 'undefined' && Symbol.species &&
+    Buffer[Symbol.species] === Buffer) {
+  Object.defineProperty(Buffer, Symbol.species, {
+    value: null,
+    configurable: true,
+    enumerable: false,
+    writable: false
+  })
+}
+
+Buffer.poolSize = 8192 // not used by this implementation
+
+function from (value, encodingOrOffset, length) {
+  if (typeof value === 'number') {
+    throw new TypeError('"value" argument must not be a number')
+  }
+
+  if (isArrayBuffer(value)) {
+    return fromArrayBuffer(value, encodingOrOffset, length)
+  }
+
+  if (typeof value === 'string') {
+    return fromString(value, encodingOrOffset)
+  }
+
+  return fromObject(value)
+}
+
+/**
+ * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
+ * if value is a number.
+ * Buffer.from(str[, encoding])
+ * Buffer.from(array)
+ * Buffer.from(buffer)
+ * Buffer.from(arrayBuffer[, byteOffset[, length]])
+ **/
+Buffer.from = function (value, encodingOrOffset, length) {
+  return from(value, encodingOrOffset, length)
+}
+
+// Note: Change prototype *after* Buffer.from is defined to workaround Chrome bug:
+// https://github.com/feross/buffer/pull/148
+Buffer.prototype.__proto__ = Uint8Array.prototype
+Buffer.__proto__ = Uint8Array
+
+function assertSize (size) {
+  if (typeof size !== 'number') {
+    throw new TypeError('"size" argument must be a number')
+  } else if (size < 0) {
+    throw new RangeError('"size" argument must not be negative')
+  }
+}
+
+function alloc (size, fill, encoding) {
+  assertSize(size)
+  if (size <= 0) {
+    return createBuffer(size)
+  }
+  if (fill !== undefined) {
+    // Only pay attention to encoding if it's a string. This
+    // prevents accidentally sending in a number that would
+    // be interpretted as a start offset.
+    return typeof encoding === 'string'
+      ? createBuffer(size).fill(fill, encoding)
+      : createBuffer(size).fill(fill)
+  }
+  return createBuffer(size)
+}
+
+/**
+ * Creates a new filled Buffer instance.
+ * alloc(size[, fill[, encoding]])
+ **/
+Buffer.alloc = function (size, fill, encoding) {
+  return alloc(size, fill, encoding)
+}
+
+function allocUnsafe (size) {
+  assertSize(size)
+  return createBuffer(size < 0 ? 0 : checked(size) | 0)
+}
+
+/**
+ * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
+ * */
+Buffer.allocUnsafe = function (size) {
+  return allocUnsafe(size)
+}
+/**
+ * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
+ */
+Buffer.allocUnsafeSlow = function (size) {
+  return allocUnsafe(size)
+}
+
+function fromString (string, encoding) {
+  if (typeof encoding !== 'string' || encoding === '') {
+    encoding = 'utf8'
+  }
+
+  if (!Buffer.isEncoding(encoding)) {
+    throw new TypeError('"encoding" must be a valid string encoding')
+  }
+
+  var length = byteLength(string, encoding) | 0
+  var buf = createBuffer(length)
+
+  var actual = buf.write(string, encoding)
+
+  if (actual !== length) {
+    // Writing a hex string, for example, that contains invalid characters will
+    // cause everything after the first invalid character to be ignored. (e.g.
+    // 'abxxcd' will be treated as 'ab')
+    buf = buf.slice(0, actual)
+  }
+
+  return buf
+}
+
+function fromArrayLike (array) {
+  var length = array.length < 0 ? 0 : checked(array.length) | 0
+  var buf = createBuffer(length)
+  for (var i = 0; i < length; i += 1) {
+    buf[i] = array[i] & 255
+  }
+  return buf
+}
+
+function fromArrayBuffer (array, byteOffset, length) {
+  if (byteOffset < 0 || array.byteLength < byteOffset) {
+    throw new RangeError('\'offset\' is out of bounds')
+  }
+
+  if (array.byteLength < byteOffset + (length || 0)) {
+    throw new RangeError('\'length\' is out of bounds')
+  }
+
+  var buf
+  if (byteOffset === undefined && length === undefined) {
+    buf = new Uint8Array(array)
+  } else if (length === undefined) {
+    buf = new Uint8Array(array, byteOffset)
+  } else {
+    buf = new Uint8Array(array, byteOffset, length)
+  }
+
+  // Return an augmented `Uint8Array` instance
+  buf.__proto__ = Buffer.prototype
+  return buf
+}
+
+function fromObject (obj) {
+  if (Buffer.isBuffer(obj)) {
+    var len = checked(obj.length) | 0
+    var buf = createBuffer(len)
+
+    if (buf.length === 0) {
+      return buf
+    }
+
+    obj.copy(buf, 0, 0, len)
+    return buf
+  }
+
+  if (obj) {
+    if (isArrayBufferView(obj) || 'length' in obj) {
+      if (typeof obj.length !== 'number' || numberIsNaN(obj.length)) {
+        return createBuffer(0)
+      }
+      return fromArrayLike(obj)
+    }
+
+    if (obj.type === 'Buffer' && Array.isArray(obj.data)) {
+      return fromArrayLike(obj.data)
+    }
+  }
+
+  throw new TypeError('First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.')
+}
+
+function checked (length) {
+  // Note: cannot use `length < K_MAX_LENGTH` here because that fails when
+  // length is NaN (which is otherwise coerced to zero.)
+  if (length >= K_MAX_LENGTH) {
+    throw new RangeError('Attempt to allocate Buffer larger than maximum ' +
+                         'size: 0x' + K_MAX_LENGTH.toString(16) + ' bytes')
+  }
+  return length | 0
+}
+
+function SlowBuffer (length) {
+  if (+length != length) { // eslint-disable-line eqeqeq
+    length = 0
+  }
+  return Buffer.alloc(+length)
+}
+
+Buffer.isBuffer = function isBuffer (b) {
+  return b != null && b._isBuffer === true
+}
+
+Buffer.compare = function compare (a, b) {
+  if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {
+    throw new TypeError('Arguments must be Buffers')
+  }
+
+  if (a === b) return 0
+
+  var x = a.length
+  var y = b.length
+
+  for (var i = 0, len = Math.min(x, y); i < len; ++i) {
+    if (a[i] !== b[i]) {
+      x = a[i]
+      y = b[i]
+      break
+    }
+  }
+
+  if (x < y) return -1
+  if (y < x) return 1
+  return 0
+}
+
+Buffer.isEncoding = function isEncoding (encoding) {
+  switch (String(encoding).toLowerCase()) {
+    case 'hex':
+    case 'utf8':
+    case 'utf-8':
+    case 'ascii':
+    case 'latin1':
+    case 'binary':
+    case 'base64':
+    case 'ucs2':
+    case 'ucs-2':
+    case 'utf16le':
+    case 'utf-16le':
+      return true
+    default:
+      return false
+  }
+}
+
+Buffer.concat = function concat (list, length) {
+  if (!Array.isArray(list)) {
+    throw new TypeError('"list" argument must be an Array of Buffers')
+  }
+
+  if (list.length === 0) {
+    return Buffer.alloc(0)
+  }
+
+  var i
+  if (length === undefined) {
+    length = 0
+    for (i = 0; i < list.length; ++i) {
+      length += list[i].length
+    }
+  }
+
+  var buffer = Buffer.allocUnsafe(length)
+  var pos = 0
+  for (i = 0; i < list.length; ++i) {
+    var buf = list[i]
+    if (!Buffer.isBuffer(buf)) {
+      throw new TypeError('"list" argument must be an Array of Buffers')
+    }
+    buf.copy(buffer, pos)
+    pos += buf.length
+  }
+  return buffer
+}
+
+function byteLength (string, encoding) {
+  if (Buffer.isBuffer(string)) {
+    return string.length
+  }
+  if (isArrayBufferView(string) || isArrayBuffer(string)) {
+    return string.byteLength
+  }
+  if (typeof string !== 'string') {
+    string = '' + string
+  }
+
+  var len = string.length
+  if (len === 0) return 0
+
+  // Use a for loop to avoid recursion
+  var loweredCase = false
+  for (;;) {
+    switch (encoding) {
+      case 'ascii':
+      case 'latin1':
+      case 'binary':
+        return len
+      case 'utf8':
+      case 'utf-8':
+      case undefined:
+        return utf8ToBytes(string).length
+      case 'ucs2':
+      case 'ucs-2':
+      case 'utf16le':
+      case 'utf-16le':
+        return len * 2
+      case 'hex':
+        return len >>> 1
+      case 'base64':
+        return base64ToBytes(string).length
+      default:
+        if (loweredCase) return utf8ToBytes(string).length // assume utf8
+        encoding = ('' + encoding).toLowerCase()
+        loweredCase = true
+    }
+  }
+}
+Buffer.byteLength = byteLength
+
+function slowToString (encoding, start, end) {
+  var loweredCase = false
+
+  // No need to verify that "this.length <= MAX_UINT32" since it's a read-only
+  // property of a typed array.
+
+  // This behaves neither like String nor Uint8Array in that we set start/end
+  // to their upper/lower bounds if the value passed is out of range.
+  // undefined is handled specially as per ECMA-262 6th Edition,
+  // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.
+  if (start === undefined || start < 0) {
+    start = 0
+  }
+  // Return early if start > this.length. Done here to prevent potential uint32
+  // coercion fail below.
+  if (start > this.length) {
+    return ''
+  }
+
+  if (end === undefined || end > this.length) {
+    end = this.length
+  }
+
+  if (end <= 0) {
+    return ''
+  }
+
+  // Force coersion to uint32. This will also coerce falsey/NaN values to 0.
+  end >>>= 0
+  start >>>= 0
+
+  if (end <= start) {
+    return ''
+  }
+
+  if (!encoding) encoding = 'utf8'
+
+  while (true) {
+    switch (encoding) {
+      case 'hex':
+        return hexSlice(this, start, end)
+
+      case 'utf8':
+      case 'utf-8':
+        return utf8Slice(this, start, end)
+
+      case 'ascii':
+        return asciiSlice(this, start, end)
+
+      case 'latin1':
+      case 'binary':
+        return latin1Slice(this, start, end)
+
+      case 'base64':
+        return base64Slice(this, start, end)
+
+      case 'ucs2':
+      case 'ucs-2':
+      case 'utf16le':
+      case 'utf-16le':
+        return utf16leSlice(this, start, end)
+
+      default:
+        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
+        encoding = (encoding + '').toLowerCase()
+        loweredCase = true
+    }
+  }
+}
+
+// This property is used by `Buffer.isBuffer` (and the `is-buffer` npm package)
+// to detect a Buffer instance. It's not possible to use `instanceof Buffer`
+// reliably in a browserify context because there could be multiple different
+// copies of the 'buffer' package in use. This method works even for Buffer
+// instances that were created from another copy of the `buffer` package.
+// See: https://github.com/feross/buffer/issues/154
+Buffer.prototype._isBuffer = true
+
+function swap (b, n, m) {
+  var i = b[n]
+  b[n] = b[m]
+  b[m] = i
+}
+
+Buffer.prototype.swap16 = function swap16 () {
+  var len = this.length
+  if (len % 2 !== 0) {
+    throw new RangeError('Buffer size must be a multiple of 16-bits')
+  }
+  for (var i = 0; i < len; i += 2) {
+    swap(this, i, i + 1)
+  }
+  return this
+}
+
+Buffer.prototype.swap32 = function swap32 () {
+  var len = this.length
+  if (len % 4 !== 0) {
+    throw new RangeError('Buffer size must be a multiple of 32-bits')
+  }
+  for (var i = 0; i < len; i += 4) {
+    swap(this, i, i + 3)
+    swap(this, i + 1, i + 2)
+  }
+  return this
+}
+
+Buffer.prototype.swap64 = function swap64 () {
+  var len = this.length
+  if (len % 8 !== 0) {
+    throw new RangeError('Buffer size must be a multiple of 64-bits')
+  }
+  for (var i = 0; i < len; i += 8) {
+    swap(this, i, i + 7)
+    swap(this, i + 1, i + 6)
+    swap(this, i + 2, i + 5)
+    swap(this, i + 3, i + 4)
+  }
+  return this
+}
+
+Buffer.prototype.toString = function toString () {
+  var length = this.length
+  if (length === 0) return ''
+  if (arguments.length === 0) return utf8Slice(this, 0, length)
+  return slowToString.apply(this, arguments)
+}
+
+Buffer.prototype.equals = function equals (b) {
+  if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
+  if (this === b) return true
+  return Buffer.compare(this, b) === 0
+}
+
+Buffer.prototype.inspect = function inspect () {
+  var str = ''
+  var max = exports.INSPECT_MAX_BYTES
+  if (this.length > 0) {
+    str = this.toString('hex', 0, max).match(/.{2}/g).join(' ')
+    if (this.length > max) str += ' ... '
+  }
+  return '<Buffer ' + str + '>'
+}
+
+Buffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {
+  if (!Buffer.isBuffer(target)) {
+    throw new TypeError('Argument must be a Buffer')
+  }
+
+  if (start === undefined) {
+    start = 0
+  }
+  if (end === undefined) {
+    end = target ? target.length : 0
+  }
+  if (thisStart === undefined) {
+    thisStart = 0
+  }
+  if (thisEnd === undefined) {
+    thisEnd = this.length
+  }
+
+  if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
+    throw new RangeError('out of range index')
+  }
+
+  if (thisStart >= thisEnd && start >= end) {
+    return 0
+  }
+  if (thisStart >= thisEnd) {
+    return -1
+  }
+  if (start >= end) {
+    return 1
+  }
+
+  start >>>= 0
+  end >>>= 0
+  thisStart >>>= 0
+  thisEnd >>>= 0
+
+  if (this === target) return 0
+
+  var x = thisEnd - thisStart
+  var y = end - start
+  var len = Math.min(x, y)
+
+  var thisCopy = this.slice(thisStart, thisEnd)
+  var targetCopy = target.slice(start, end)
+
+  for (var i = 0; i < len; ++i) {
+    if (thisCopy[i] !== targetCopy[i]) {
+      x = thisCopy[i]
+      y = targetCopy[i]
+      break
+    }
+  }
+
+  if (x < y) return -1
+  if (y < x) return 1
+  return 0
+}
+
+// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
+// OR the last index of `val` in `buffer` at offset <= `byteOffset`.
+//
+// Arguments:
+// - buffer - a Buffer to search
+// - val - a string, Buffer, or number
+// - byteOffset - an index into `buffer`; will be clamped to an int32
+// - encoding - an optional encoding, relevant is val is a string
+// - dir - true for indexOf, false for lastIndexOf
+function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) {
+  // Empty buffer means no match
+  if (buffer.length === 0) return -1
+
+  // Normalize byteOffset
+  if (typeof byteOffset === 'string') {
+    encoding = byteOffset
+    byteOffset = 0
+  } else if (byteOffset > 0x7fffffff) {
+    byteOffset = 0x7fffffff
+  } else if (byteOffset < -0x80000000) {
+    byteOffset = -0x80000000
+  }
+  byteOffset = +byteOffset  // Coerce to Number.
+  if (numberIsNaN(byteOffset)) {
+    // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
+    byteOffset = dir ? 0 : (buffer.length - 1)
+  }
+
+  // Normalize byteOffset: negative offsets start from the end of the buffer
+  if (byteOffset < 0) byteOffset = buffer.length + byteOffset
+  if (byteOffset >= buffer.length) {
+    if (dir) return -1
+    else byteOffset = buffer.length - 1
+  } else if (byteOffset < 0) {
+    if (dir) byteOffset = 0
+    else return -1
+  }
+
+  // Normalize val
+  if (typeof val === 'string') {
+    val = Buffer.from(val, encoding)
+  }
+
+  // Finally, search either indexOf (if dir is true) or lastIndexOf
+  if (Buffer.isBuffer(val)) {
+    // Special case: looking for empty string/buffer always fails
+    if (val.length === 0) {
+      return -1
+    }
+    return arrayIndexOf(buffer, val, byteOffset, encoding, dir)
+  } else if (typeof val === 'number') {
+    val = val & 0xFF // Search for a byte value [0-255]
+    if (typeof Uint8Array.prototype.indexOf === 'function') {
+      if (dir) {
+        return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)
+      } else {
+        return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)
+      }
+    }
+    return arrayIndexOf(buffer, [ val ], byteOffset, encoding, dir)
+  }
+
+  throw new TypeError('val must be string, number or Buffer')
+}
+
+function arrayIndexOf (arr, val, byteOffset, encoding, dir) {
+  var indexSize = 1
+  var arrLength = arr.length
+  var valLength = val.length
+
+  if (encoding !== undefined) {
+    encoding = String(encoding).toLowerCase()
+    if (encoding === 'ucs2' || encoding === 'ucs-2' ||
+        encoding === 'utf16le' || encoding === 'utf-16le') {
+      if (arr.length < 2 || val.length < 2) {
+        return -1
+      }
+      indexSize = 2
+      arrLength /= 2
+      valLength /= 2
+      byteOffset /= 2
+    }
+  }
+
+  function read (buf, i) {
+    if (indexSize === 1) {
+      return buf[i]
+    } else {
+      return buf.readUInt16BE(i * indexSize)
+    }
+  }
+
+  var i
+  if (dir) {
+    var foundIndex = -1
+    for (i = byteOffset; i < arrLength; i++) {
+      if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
+        if (foundIndex === -1) foundIndex = i
+        if (i - foundIndex + 1 === valLength) return foundIndex * indexSize
+      } else {
+        if (foundIndex !== -1) i -= i - foundIndex
+        foundIndex = -1
+      }
+    }
+  } else {
+    if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength
+    for (i = byteOffset; i >= 0; i--) {
+      var found = true
+      for (var j = 0; j < valLength; j++) {
+        if (read(arr, i + j) !== read(val, j)) {
+          found = false
+          break
+        }
+      }
+      if (found) return i
+    }
+  }
+
+  return -1
+}
+
+Buffer.prototype.includes = function includes (val, byteOffset, encoding) {
+  return this.indexOf(val, byteOffset, encoding) !== -1
+}
+
+Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) {
+  return bidirectionalIndexOf(this, val, byteOffset, encoding, true)
+}
+
+Buffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {
+  return bidirectionalIndexOf(this, val, byteOffset, encoding, false)
+}
+
+function hexWrite (buf, string, offset, length) {
+  offset = Number(offset) || 0
+  var remaining = buf.length - offset
+  if (!length) {
+    length = remaining
+  } else {
+    length = Number(length)
+    if (length > remaining) {
+      length = remaining
+    }
+  }
+
+  // must be an even number of digits
+  var strLen = string.length
+  if (strLen % 2 !== 0) throw new TypeError('Invalid hex string')
+
+  if (length > strLen / 2) {
+    length = strLen / 2
+  }
+  for (var i = 0; i < length; ++i) {
+    var parsed = parseInt(string.substr(i * 2, 2), 16)
+    if (numberIsNaN(parsed)) return i
+    buf[offset + i] = parsed
+  }
+  return i
+}
+
+function utf8Write (buf, string, offset, length) {
+  return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)
+}
+
+function asciiWrite (buf, string, offset, length) {
+  return blitBuffer(asciiToBytes(string), buf, offset, length)
+}
+
+function latin1Write (buf, string, offset, length) {
+  return asciiWrite(buf, string, offset, length)
+}
+
+function base64Write (buf, string, offset, length) {
+  return blitBuffer(base64ToBytes(string), buf, offset, length)
+}
+
+function ucs2Write (buf, string, offset, length) {
+  return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)
+}
+
+Buffer.prototype.write = function write (string, offset, length, encoding) {
+  // Buffer#write(string)
+  if (offset === undefined) {
+    encoding = 'utf8'
+    length = this.length
+    offset = 0
+  // Buffer#write(string, encoding)
+  } else if (length === undefined && typeof offset === 'string') {
+    encoding = offset
+    length = this.length
+    offset = 0
+  // Buffer#write(string, offset[, length][, encoding])
+  } else if (isFinite(offset)) {
+    offset = offset >>> 0
+    if (isFinite(length)) {
+      length = length >>> 0
+      if (encoding === undefined) encoding = 'utf8'
+    } else {
+      encoding = length
+      length = undefined
+    }
+  } else {
+    throw new Error(
+      'Buffer.write(string, encoding, offset[, length]) is no longer supported'
+    )
+  }
+
+  var remaining = this.length - offset
+  if (length === undefined || length > remaining) length = remaining
+
+  if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {
+    throw new RangeError('Attempt to write outside buffer bounds')
+  }
+
+  if (!encoding) encoding = 'utf8'
+
+  var loweredCase = false
+  for (;;) {
+    switch (encoding) {
+      case 'hex':
+        return hexWrite(this, string, offset, length)
+
+      case 'utf8':
+      case 'utf-8':
+        return utf8Write(this, string, offset, length)
+
+      case 'ascii':
+        return asciiWrite(this, string, offset, length)
+
+      case 'latin1':
+      case 'binary':
+        return latin1Write(this, string, offset, length)
+
+      case 'base64':
+        // Warning: maxLength not taken into account in base64Write
+        return base64Write(this, string, offset, length)
+
+      case 'ucs2':
+      case 'ucs-2':
+      case 'utf16le':
+      case 'utf-16le':
+        return ucs2Write(this, string, offset, length)
+
+      default:
+        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
+        encoding = ('' + encoding).toLowerCase()
+        loweredCase = true
+    }
+  }
+}
+
+Buffer.prototype.toJSON = function toJSON () {
+  return {
+    type: 'Buffer',
+    data: Array.prototype.slice.call(this._arr || this, 0)
+  }
+}
+
+function base64Slice (buf, start, end) {
+  if (start === 0 && end === buf.length) {
+    return base64.fromByteArray(buf)
+  } else {
+    return base64.fromByteArray(buf.slice(start, end))
+  }
+}
+
+function utf8Slice (buf, start, end) {
+  end = Math.min(buf.length, end)
+  var res = []
+
+  var i = start
+  while (i < end) {
+    var firstByte = buf[i]
+    var codePoint = null
+    var bytesPerSequence = (firstByte > 0xEF) ? 4
+      : (firstByte > 0xDF) ? 3
+      : (firstByte > 0xBF) ? 2
+      : 1
+
+    if (i + bytesPerSequence <= end) {
+      var secondByte, thirdByte, fourthByte, tempCodePoint
+
+      switch (bytesPerSequence) {
+        case 1:
+          if (firstByte < 0x80) {
+            codePoint = firstByte
+          }
+          break
+        case 2:
+          secondByte = buf[i + 1]
+          if ((secondByte & 0xC0) === 0x80) {
+            tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)
+            if (tempCodePoint > 0x7F) {
+              codePoint = tempCodePoint
+            }
+          }
+          break
+        case 3:
+          secondByte = buf[i + 1]
+          thirdByte = buf[i + 2]
+          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
+            tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)
+            if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
+              codePoint = tempCodePoint
+            }
+          }
+          break
+        case 4:
+          secondByte = buf[i + 1]
+          thirdByte = buf[i + 2]
+          fourthByte = buf[i + 3]
+          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
+            tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)
+            if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
+              codePoint = tempCodePoint
+            }
+          }
+      }
+    }
+
+    if (codePoint === null) {
+      // we did not generate a valid codePoint so insert a
+      // replacement char (U+FFFD) and advance only 1 byte
+      codePoint = 0xFFFD
+      bytesPerSequence = 1
+    } else if (codePoint > 0xFFFF) {
+      // encode to utf16 (surrogate pair dance)
+      codePoint -= 0x10000
+      res.push(codePoint >>> 10 & 0x3FF | 0xD800)
+      codePoint = 0xDC00 | codePoint & 0x3FF
+    }
+
+    res.push(codePoint)
+    i += bytesPerSequence
+  }
+
+  return decodeCodePointsArray(res)
+}
+
+// Based on http://stackoverflow.com/a/22747272/680742, the browser with
+// the lowest limit is Chrome, with 0x10000 args.
+// We go 1 magnitude less, for safety
+var MAX_ARGUMENTS_LENGTH = 0x1000
+
+function decodeCodePointsArray (codePoints) {
+  var len = codePoints.length
+  if (len <= MAX_ARGUMENTS_LENGTH) {
+    return String.fromCharCode.apply(String, codePoints) // avoid extra slice()
+  }
+
+  // Decode in chunks to avoid "call stack size exceeded".
+  var res = ''
+  var i = 0
+  while (i < len) {
+    res += String.fromCharCode.apply(
+      String,
+      codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)
+    )
+  }
+  return res
+}
+
+function asciiSlice (buf, start, end) {
+  var ret = ''
+  end = Math.min(buf.length, end)
+
+  for (var i = start; i < end; ++i) {
+    ret += String.fromCharCode(buf[i] & 0x7F)
+  }
+  return ret
+}
+
+function latin1Slice (buf, start, end) {
+  var ret = ''
+  end = Math.min(buf.length, end)
+
+  for (var i = start; i < end; ++i) {
+    ret += String.fromCharCode(buf[i])
+  }
+  return ret
+}
+
+function hexSlice (buf, start, end) {
+  var len = buf.length
+
+  if (!start || start < 0) start = 0
+  if (!end || end < 0 || end > len) end = len
+
+  var out = ''
+  for (var i = start; i < end; ++i) {
+    out += toHex(buf[i])
+  }
+  return out
+}
+
+function utf16leSlice (buf, start, end) {
+  var bytes = buf.slice(start, end)
+  var res = ''
+  for (var i = 0; i < bytes.length; i += 2) {
+    res += String.fromCharCode(bytes[i] + (bytes[i + 1] * 256))
+  }
+  return res
+}
+
+Buffer.prototype.slice = function slice (start, end) {
+  var len = this.length
+  start = ~~start
+  end = end === undefined ? len : ~~end
+
+  if (start < 0) {
+    start += len
+    if (start < 0) start = 0
+  } else if (start > len) {
+    start = len
+  }
+
+  if (end < 0) {
+    end += len
+    if (end < 0) end = 0
+  } else if (end > len) {
+    end = len
+  }
+
+  if (end < start) end = start
+
+  var newBuf = this.subarray(start, end)
+  // Return an augmented `Uint8Array` instance
+  newBuf.__proto__ = Buffer.prototype
+  return newBuf
+}
+
+/*
+ * Need to make sure that buffer isn't trying to write out of bounds.
+ */
+function checkOffset (offset, ext, length) {
+  if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')
+  if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')
+}
+
+Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {
+  offset = offset >>> 0
+  byteLength = byteLength >>> 0
+  if (!noAssert) checkOffset(offset, byteLength, this.length)
+
+  var val = this[offset]
+  var mul = 1
+  var i = 0
+  while (++i < byteLength && (mul *= 0x100)) {
+    val += this[offset + i] * mul
+  }
+
+  return val
+}
+
+Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {
+  offset = offset >>> 0
+  byteLength = byteLength >>> 0
+  if (!noAssert) {
+    checkOffset(offset, byteLength, this.length)
+  }
+
+  var val = this[offset + --byteLength]
+  var mul = 1
+  while (byteLength > 0 && (mul *= 0x100)) {
+    val += this[offset + --byteLength] * mul
+  }
+
+  return val
+}
+
+Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 1, this.length)
+  return this[offset]
+}
+
+Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 2, this.length)
+  return this[offset] | (this[offset + 1] << 8)
+}
+
+Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 2, this.length)
+  return (this[offset] << 8) | this[offset + 1]
+}
+
+Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 4, this.length)
+
+  return ((this[offset]) |
+      (this[offset + 1] << 8) |
+      (this[offset + 2] << 16)) +
+      (this[offset + 3] * 0x1000000)
+}
+
+Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 4, this.length)
+
+  return (this[offset] * 0x1000000) +
+    ((this[offset + 1] << 16) |
+    (this[offset + 2] << 8) |
+    this[offset + 3])
+}
+
+Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
+  offset = offset >>> 0
+  byteLength = byteLength >>> 0
+  if (!noAssert) checkOffset(offset, byteLength, this.length)
+
+  var val = this[offset]
+  var mul = 1
+  var i = 0
+  while (++i < byteLength && (mul *= 0x100)) {
+    val += this[offset + i] * mul
+  }
+  mul *= 0x80
+
+  if (val >= mul) val -= Math.pow(2, 8 * byteLength)
+
+  return val
+}
+
+Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
+  offset = offset >>> 0
+  byteLength = byteLength >>> 0
+  if (!noAssert) checkOffset(offset, byteLength, this.length)
+
+  var i = byteLength
+  var mul = 1
+  var val = this[offset + --i]
+  while (i > 0 && (mul *= 0x100)) {
+    val += this[offset + --i] * mul
+  }
+  mul *= 0x80
+
+  if (val >= mul) val -= Math.pow(2, 8 * byteLength)
+
+  return val
+}
+
+Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 1, this.length)
+  if (!(this[offset] & 0x80)) return (this[offset])
+  return ((0xff - this[offset] + 1) * -1)
+}
+
+Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 2, this.length)
+  var val = this[offset] | (this[offset + 1] << 8)
+  return (val & 0x8000) ? val | 0xFFFF0000 : val
+}
+
+Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 2, this.length)
+  var val = this[offset + 1] | (this[offset] << 8)
+  return (val & 0x8000) ? val | 0xFFFF0000 : val
+}
+
+Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 4, this.length)
+
+  return (this[offset]) |
+    (this[offset + 1] << 8) |
+    (this[offset + 2] << 16) |
+    (this[offset + 3] << 24)
+}
+
+Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 4, this.length)
+
+  return (this[offset] << 24) |
+    (this[offset + 1] << 16) |
+    (this[offset + 2] << 8) |
+    (this[offset + 3])
+}
+
+Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 4, this.length)
+  return ieee754.read(this, offset, true, 23, 4)
+}
+
+Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 4, this.length)
+  return ieee754.read(this, offset, false, 23, 4)
+}
+
+Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 8, this.length)
+  return ieee754.read(this, offset, true, 52, 8)
+}
+
+Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 8, this.length)
+  return ieee754.read(this, offset, false, 52, 8)
+}
+
+function checkInt (buf, value, offset, ext, max, min) {
+  if (!Buffer.isBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance')
+  if (value > max || value < min) throw new RangeError('"value" argument is out of bounds')
+  if (offset + ext > buf.length) throw new RangeError('Index out of range')
+}
+
+Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  byteLength = byteLength >>> 0
+  if (!noAssert) {
+    var maxBytes = Math.pow(2, 8 * byteLength) - 1
+    checkInt(this, value, offset, byteLength, maxBytes, 0)
+  }
+
+  var mul = 1
+  var i = 0
+  this[offset] = value & 0xFF
+  while (++i < byteLength && (mul *= 0x100)) {
+    this[offset + i] = (value / mul) & 0xFF
+  }
+
+  return offset + byteLength
+}
+
+Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  byteLength = byteLength >>> 0
+  if (!noAssert) {
+    var maxBytes = Math.pow(2, 8 * byteLength) - 1
+    checkInt(this, value, offset, byteLength, maxBytes, 0)
+  }
+
+  var i = byteLength - 1
+  var mul = 1
+  this[offset + i] = value & 0xFF
+  while (--i >= 0 && (mul *= 0x100)) {
+    this[offset + i] = (value / mul) & 0xFF
+  }
+
+  return offset + byteLength
+}
+
+Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)
+  this[offset] = (value & 0xff)
+  return offset + 1
+}
+
+Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
+  this[offset] = (value & 0xff)
+  this[offset + 1] = (value >>> 8)
+  return offset + 2
+}
+
+Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
+  this[offset] = (value >>> 8)
+  this[offset + 1] = (value & 0xff)
+  return offset + 2
+}
+
+Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
+  this[offset + 3] = (value >>> 24)
+  this[offset + 2] = (value >>> 16)
+  this[offset + 1] = (value >>> 8)
+  this[offset] = (value & 0xff)
+  return offset + 4
+}
+
+Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
+  this[offset] = (value >>> 24)
+  this[offset + 1] = (value >>> 16)
+  this[offset + 2] = (value >>> 8)
+  this[offset + 3] = (value & 0xff)
+  return offset + 4
+}
+
+Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) {
+    var limit = Math.pow(2, (8 * byteLength) - 1)
+
+    checkInt(this, value, offset, byteLength, limit - 1, -limit)
+  }
+
+  var i = 0
+  var mul = 1
+  var sub = 0
+  this[offset] = value & 0xFF
+  while (++i < byteLength && (mul *= 0x100)) {
+    if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
+      sub = 1
+    }
+    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
+  }
+
+  return offset + byteLength
+}
+
+Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) {
+    var limit = Math.pow(2, (8 * byteLength) - 1)
+
+    checkInt(this, value, offset, byteLength, limit - 1, -limit)
+  }
+
+  var i = byteLength - 1
+  var mul = 1
+  var sub = 0
+  this[offset + i] = value & 0xFF
+  while (--i >= 0 && (mul *= 0x100)) {
+    if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
+      sub = 1
+    }
+    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
+  }
+
+  return offset + byteLength
+}
+
+Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)
+  if (value < 0) value = 0xff + value + 1
+  this[offset] = (value & 0xff)
+  return offset + 1
+}
+
+Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
+  this[offset] = (value & 0xff)
+  this[offset + 1] = (value >>> 8)
+  return offset + 2
+}
+
+Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
+  this[offset] = (value >>> 8)
+  this[offset + 1] = (value & 0xff)
+  return offset + 2
+}
+
+Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
+  this[offset] = (value & 0xff)
+  this[offset + 1] = (value >>> 8)
+  this[offset + 2] = (value >>> 16)
+  this[offset + 3] = (value >>> 24)
+  return offset + 4
+}
+
+Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
+  if (value < 0) value = 0xffffffff + value + 1
+  this[offset] = (value >>> 24)
+  this[offset + 1] = (value >>> 16)
+  this[offset + 2] = (value >>> 8)
+  this[offset + 3] = (value & 0xff)
+  return offset + 4
+}
+
+function checkIEEE754 (buf, value, offset, ext, max, min) {
+  if (offset + ext > buf.length) throw new RangeError('Index out of range')
+  if (offset < 0) throw new RangeError('Index out of range')
+}
+
+function writeFloat (buf, value, offset, littleEndian, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) {
+    checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)
+  }
+  ieee754.write(buf, value, offset, littleEndian, 23, 4)
+  return offset + 4
+}
+
+Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {
+  return writeFloat(this, value, offset, true, noAssert)
+}
+
+Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {
+  return writeFloat(this, value, offset, false, noAssert)
+}
+
+function writeDouble (buf, value, offset, littleEndian, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) {
+    checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)
+  }
+  ieee754.write(buf, value, offset, littleEndian, 52, 8)
+  return offset + 8
+}
+
+Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {
+  return writeDouble(this, value, offset, true, noAssert)
+}
+
+Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {
+  return writeDouble(this, value, offset, false, noAssert)
+}
+
+// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
+Buffer.prototype.copy = function copy (target, targetStart, start, end) {
+  if (!start) start = 0
+  if (!end && end !== 0) end = this.length
+  if (targetStart >= target.length) targetStart = target.length
+  if (!targetStart) targetStart = 0
+  if (end > 0 && end < start) end = start
+
+  // Copy 0 bytes; we're done
+  if (end === start) return 0
+  if (target.length === 0 || this.length === 0) return 0
+
+  // Fatal error conditions
+  if (targetStart < 0) {
+    throw new RangeError('targetStart out of bounds')
+  }
+  if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds')
+  if (end < 0) throw new RangeError('sourceEnd out of bounds')
+
+  // Are we oob?
+  if (end > this.length) end = this.length
+  if (target.length - targetStart < end - start) {
+    end = target.length - targetStart + start
+  }
+
+  var len = end - start
+  var i
+
+  if (this === target && start < targetStart && targetStart < end) {
+    // descending copy from end
+    for (i = len - 1; i >= 0; --i) {
+      target[i + targetStart] = this[i + start]
+    }
+  } else if (len < 1000) {
+    // ascending copy from start
+    for (i = 0; i < len; ++i) {
+      target[i + targetStart] = this[i + start]
+    }
+  } else {
+    Uint8Array.prototype.set.call(
+      target,
+      this.subarray(start, start + len),
+      targetStart
+    )
+  }
+
+  return len
+}
+
+// Usage:
+//    buffer.fill(number[, offset[, end]])
+//    buffer.fill(buffer[, offset[, end]])
+//    buffer.fill(string[, offset[, end]][, encoding])
+Buffer.prototype.fill = function fill (val, start, end, encoding) {
+  // Handle string cases:
+  if (typeof val === 'string') {
+    if (typeof start === 'string') {
+      encoding = start
+      start = 0
+      end = this.length
+    } else if (typeof end === 'string') {
+      encoding = end
+      end = this.length
+    }
+    if (val.length === 1) {
+      var code = val.charCodeAt(0)
+      if (code < 256) {
+        val = code
+      }
+    }
+    if (encoding !== undefined && typeof encoding !== 'string') {
+      throw new TypeError('encoding must be a string')
+    }
+    if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {
+      throw new TypeError('Unknown encoding: ' + encoding)
+    }
+  } else if (typeof val === 'number') {
+    val = val & 255
+  }
+
+  // Invalid ranges are not set to a default, so can range check early.
+  if (start < 0 || this.length < start || this.length < end) {
+    throw new RangeError('Out of range index')
+  }
+
+  if (end <= start) {
+    return this
+  }
+
+  start = start >>> 0
+  end = end === undefined ? this.length : end >>> 0
+
+  if (!val) val = 0
+
+  var i
+  if (typeof val === 'number') {
+    for (i = start; i < end; ++i) {
+      this[i] = val
+    }
+  } else {
+    var bytes = Buffer.isBuffer(val)
+      ? val
+      : new Buffer(val, encoding)
+    var len = bytes.length
+    for (i = 0; i < end - start; ++i) {
+      this[i + start] = bytes[i % len]
+    }
+  }
+
+  return this
+}
+
+// HELPER FUNCTIONS
+// ================
+
+var INVALID_BASE64_RE = /[^+/0-9A-Za-z-_]/g
+
+function base64clean (str) {
+  // Node strips out invalid characters like \n and \t from the string, base64-js does not
+  str = str.trim().replace(INVALID_BASE64_RE, '')
+  // Node converts strings with length < 2 to ''
+  if (str.length < 2) return ''
+  // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
+  while (str.length % 4 !== 0) {
+    str = str + '='
+  }
+  return str
+}
+
+function toHex (n) {
+  if (n < 16) return '0' + n.toString(16)
+  return n.toString(16)
+}
+
+function utf8ToBytes (string, units) {
+  units = units || Infinity
+  var codePoint
+  var length = string.length
+  var leadSurrogate = null
+  var bytes = []
+
+  for (var i = 0; i < length; ++i) {
+    codePoint = string.charCodeAt(i)
+
+    // is surrogate component
+    if (codePoint > 0xD7FF && codePoint < 0xE000) {
+      // last char was a lead
+      if (!leadSurrogate) {
+        // no lead yet
+        if (codePoint > 0xDBFF) {
+          // unexpected trail
+          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+          continue
+        } else if (i + 1 === length) {
+          // unpaired lead
+          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+          continue
+        }
+
+        // valid lead
+        leadSurrogate = codePoint
+
+        continue
+      }
+
+      // 2 leads in a row
+      if (codePoint < 0xDC00) {
+        if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+        leadSurrogate = codePoint
+        continue
+      }
+
+      // valid surrogate pair
+      codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000
+    } else if (leadSurrogate) {
+      // valid bmp char, but last char was a lead
+      if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+    }
+
+    leadSurrogate = null
+
+    // encode utf8
+    if (codePoint < 0x80) {
+      if ((units -= 1) < 0) break
+      bytes.push(codePoint)
+    } else if (codePoint < 0x800) {
+      if ((units -= 2) < 0) break
+      bytes.push(
+        codePoint >> 0x6 | 0xC0,
+        codePoint & 0x3F | 0x80
+      )
+    } else if (codePoint < 0x10000) {
+      if ((units -= 3) < 0) break
+      bytes.push(
+        codePoint >> 0xC | 0xE0,
+        codePoint >> 0x6 & 0x3F | 0x80,
+        codePoint & 0x3F | 0x80
+      )
+    } else if (codePoint < 0x110000) {
+      if ((units -= 4) < 0) break
+      bytes.push(
+        codePoint >> 0x12 | 0xF0,
+        codePoint >> 0xC & 0x3F | 0x80,
+        codePoint >> 0x6 & 0x3F | 0x80,
+        codePoint & 0x3F | 0x80
+      )
+    } else {
+      throw new Error('Invalid code point')
+    }
+  }
+
+  return bytes
+}
+
+function asciiToBytes (str) {
+  var byteArray = []
+  for (var i = 0; i < str.length; ++i) {
+    // Node's code seems to be doing this and not & 0x7F..
+    byteArray.push(str.charCodeAt(i) & 0xFF)
+  }
+  return byteArray
+}
+
+function utf16leToBytes (str, units) {
+  var c, hi, lo
+  var byteArray = []
+  for (var i = 0; i < str.length; ++i) {
+    if ((units -= 2) < 0) break
+
+    c = str.charCodeAt(i)
+    hi = c >> 8
+    lo = c % 256
+    byteArray.push(lo)
+    byteArray.push(hi)
+  }
+
+  return byteArray
+}
+
+function base64ToBytes (str) {
+  return base64.toByteArray(base64clean(str))
+}
+
+function blitBuffer (src, dst, offset, length) {
+  for (var i = 0; i < length; ++i) {
+    if ((i + offset >= dst.length) || (i >= src.length)) break
+    dst[i + offset] = src[i]
+  }
+  return i
+}
+
+// ArrayBuffers from another context (i.e. an iframe) do not pass the `instanceof` check
+// but they should be treated as valid. See: https://github.com/feross/buffer/issues/166
+function isArrayBuffer (obj) {
+  return obj instanceof ArrayBuffer ||
+    (obj != null && obj.constructor != null && obj.constructor.name === 'ArrayBuffer' &&
+      typeof obj.byteLength === 'number')
+}
+
+// Node 0.10 supports `ArrayBuffer` but lacks `ArrayBuffer.isView`
+function isArrayBufferView (obj) {
+  return (typeof ArrayBuffer.isView === 'function') && ArrayBuffer.isView(obj)
+}
+
+function numberIsNaN (obj) {
+  return obj !== obj // eslint-disable-line no-self-compare
+}
+
+},{"base64-js":17,"ieee754":143}],71:[function(require,module,exports){
+/**
+ * @license
+ * https://github.com/bitcoincashjs/cashaddr
+ * Copyright (c) 2017-2018 Emilio Almansi
+ * Distributed under the MIT software license, see the accompanying
+ * file LICENSE or http://www.opensource.org/licenses/mit-license.php.
+ */
+
+'use strict';
+
+var validate = require('./validation').validate;
+
+/**
+ * Base32 encoding and decoding.
+ *
+ * @module base32
+ */
+
+/**
+ * Charset containing the 32 symbols used in the base32 encoding.
+ * @private
+ */
+var CHARSET = 'qpzry9x8gf2tvdw0s3jn54khce6mua7l';
+
+/**
+ * Inverted index mapping each symbol into its index within the charset.
+ * @private
+ */
+var CHARSET_INVERSE_INDEX = {
+  'q': 0, 'p': 1, 'z': 2, 'r': 3, 'y': 4, '9': 5, 'x': 6, '8': 7,
+  'g': 8, 'f': 9, '2': 10, 't': 11, 'v': 12, 'd': 13, 'w': 14, '0': 15,
+  's': 16, '3': 17, 'j': 18, 'n': 19, '5': 20, '4': 21, 'k': 22, 'h': 23,
+  'c': 24, 'e': 25, '6': 26, 'm': 27, 'u': 28, 'a': 29, '7': 30, 'l': 31,
+};
+
+/**
+ * Encodes the given array of 5-bit integers as a base32-encoded string.
+ *
+ * @static
+ * @param {Uint8Array} data Array of integers between 0 and 31 inclusive.
+ * @returns {string}
+ * @throws {ValidationError}
+ */
+function encode(data) {
+  validate(data instanceof Uint8Array, 'Invalid data: ' + data + '.');
+  var base32 = '';
+  for (var i = 0; i < data.length; ++i) {
+    var value = data[i];
+    validate(0 <= value && value < 32, 'Invalid value: ' + value + '.');
+    base32 += CHARSET[value];
+  }
+  return base32;
+}
+
+/**
+ * Decodes the given base32-encoded string into an array of 5-bit integers.
+ *
+ * @static
+ * @param {string} string
+ * @returns {Uint8Array}
+ * @throws {ValidationError}
+ */
+function decode(string) {
+  validate(typeof string === 'string', 'Invalid base32-encoded string: ' + string + '.');
+  var data = new Uint8Array(string.length);
+  for (var i = 0; i < string.length; ++i) {
+    var value = string[i];
+    validate(value in CHARSET_INVERSE_INDEX, 'Invalid value: ' + value + '.');
+    data[i] = CHARSET_INVERSE_INDEX[value];
+  }
+  return data;
+}
+
+module.exports = {
+  encode: encode,
+  decode: decode,
+};
+
+},{"./validation":74}],72:[function(require,module,exports){
+/**
+ * @license
+ * https://github.com/bitcoincashjs/cashaddr
+ * Copyright (c) 2017-2018 Emilio Almansi
+ * Distributed under the MIT software license, see the accompanying
+ * file LICENSE or http://www.opensource.org/licenses/mit-license.php.
+ */
+
+'use strict';
+
+var base32 = require('./base32');
+var bigInt = require('big-integer');
+var convertBits = require('./convertBits');
+var validation = require('./validation');
+var validate = validation.validate;
+
+/**
+ * Encoding and decoding of the new Cash Address format for Bitcoin Cash. <br />
+ * Compliant with the original cashaddr specification:
+ * {@link https://github.com/Bitcoin-UAHF/spec/blob/master/cashaddr.md}
+ * @module cashaddr
+ */
+
+/**
+ * Encodes a hash from a given type into a Bitcoin Cash address with the given prefix.
+ * 
+ * @static
+ * @param {string} prefix Network prefix. E.g.: 'bitcoincash'.
+ * @param {string} type Type of address to generate. Either 'P2PKH' or 'P2SH'.
+ * @param {Uint8Array} hash Hash to encode represented as an array of 8-bit integers.
+ * @returns {string}
+ * @throws {ValidationError}
+ */
+function encode(prefix, type, hash) {
+  validate(typeof prefix === 'string' && isValidPrefix(prefix), 'Invalid prefix: ' + prefix + '.');
+  validate(typeof type === 'string', 'Invalid type: ' + type + '.');
+  validate(hash instanceof Uint8Array, 'Invalid hash: ' + hash + '.');
+  var prefixData = concat(prefixToUint5Array(prefix), new Uint8Array(1));
+  var versionByte = getTypeBits(type) + getHashSizeBits(hash);
+  var payloadData = toUint5Array(concat(Uint8Array.of(versionByte), hash));
+  var checksumData = concat(concat(prefixData, payloadData), new Uint8Array(8));
+  var payload = concat(payloadData, checksumToUint5Array(polymod(checksumData)));
+  return prefix + ':' + base32.encode(payload);
+}
+
+/**
+ * Decodes the given address into its constituting prefix, type and hash. See [#encode()]{@link encode}.
+ * 
+ * @static
+ * @param {string} address Address to decode. E.g.: 'bitcoincash:qpm2qsznhks23z7629mms6s4cwef74vcwvy22gdx6a'.
+ * @returns {object}
+ * @throws {ValidationError}
+ */
+function decode(address) {
+  validate(typeof address === 'string' && hasSingleCase(address), 'Invalid address: ' + address + '.');
+  var pieces = address.toLowerCase().split(':');
+  validate(pieces.length === 2, 'Missing prefix: ' + address + '.');
+  var prefix = pieces[0];
+  var payload = base32.decode(pieces[1]);
+  validate(validChecksum(prefix, payload), 'Invalid checksum: ' + address + '.');
+  var payloadData = fromUint5Array(payload.slice(0, -8));
+  var versionByte = payloadData[0];
+  var hash = payloadData.slice(1);
+  validate(getHashSize(versionByte) === hash.length * 8, 'Invalid hash size: ' + address + '.');
+  var type = getType(versionByte);
+  return {
+    prefix: prefix,
+    type: type,
+    hash: hash,
+  };
+}
+
+/**
+ * Error thrown when encoding or decoding fail due to invalid input.
+ *
+ * @constructor ValidationError
+ * @param {string} message Error description.
+ */
+var ValidationError = validation.ValidationError;
+
+/**
+ * Valid address prefixes.
+ *
+ * @private
+ */
+var VALID_PREFIXES = ['bitcoincash', 'bchtest', 'bchreg'];
+
+/**
+ * Checks whether a string is a valid prefix; ie., it has a single letter case
+ * and is one of 'bitcoincash', 'bchtest', or 'bchreg'.
+ *
+ * @private
+ * @param {string} prefix 
+ * @returns {boolean}
+ */
+function isValidPrefix(prefix) {
+  return hasSingleCase(prefix) && VALID_PREFIXES.indexOf(prefix.toLowerCase()) !== -1;
+}
+
+/**
+ * Derives an array from the given prefix to be used in the computation
+ * of the address' checksum.
+ *
+ * @private
+ * @param {string} prefix Network prefix. E.g.: 'bitcoincash'. 
+ * @returns {Uint8Array}
+ */
+function prefixToUint5Array(prefix) {
+  var result = new Uint8Array(prefix.length);
+  for (var i = 0; i < prefix.length; ++i) {
+    result[i] = prefix[i].charCodeAt(0) & 31;
+  }
+  return result;
+}
+
+/**
+ * Returns an array representation of the given checksum to be encoded
+ * within the address' payload.
+ *
+ * @private
+ * @param {BigInteger} checksum Computed checksum.
+ * @returns {Uint8Array}
+ */
+function checksumToUint5Array(checksum) {
+  var result = new Uint8Array(8);
+  for (var i = 0; i < 8; ++i) {
+    result[7 - i] = checksum.and(31).toJSNumber();
+    checksum = checksum.shiftRight(5);
+  }
+  return result;
+}
+
+/**
+ * Returns the bit representation of the given type within the version
+ * byte.
+ *
+ * @private
+ * @param {string} type Address type. Either 'P2PKH' or 'P2SH'.
+ * @returns {number}
+ * @throws {ValidationError}
+ */
+function getTypeBits(type) {
+  switch (type) {
+  case 'P2PKH':
+    return 0;
+  case 'P2SH':
+    return 8;
+  default:
+    throw new ValidationError('Invalid type: ' + type + '.');
+  }
+}
+
+/**
+ * Retrieves the address type from its bit representation within the
+ * version byte.
+ *
+ * @private
+ * @param {number} versionByte
+ * @returns {string}
+ * @throws {ValidationError}
+ */
+function getType(versionByte) {
+  switch (versionByte & 120) {
+  case 0:
+    return 'P2PKH';
+  case 8:
+    return 'P2SH';
+  default:
+    throw new ValidationError('Invalid address type in version byte: ' + versionByte + '.');
+  }
+}
+
+/**
+ * Returns the bit representation of the length in bits of the given
+ * hash within the version byte.
+ *
+ * @private
+ * @param {Uint8Array} hash Hash to encode represented as an array of 8-bit integers.
+ * @returns {number}
+ * @throws {ValidationError}
+ */
+function getHashSizeBits(hash) {
+  switch (hash.length * 8) {
+  case 160:
+    return 0;
+  case 192:
+    return 1;
+  case 224:
+    return 2;
+  case 256:
+    return 3;
+  case 320:
+    return 4;
+  case 384:
+    return 5;
+  case 448:
+    return 6;
+  case 512:
+    return 7;
+  default:
+    throw new ValidationError('Invalid hash size: ' + hash.length + '.');
+  }
+}
+
+/**
+ * Retrieves the the length in bits of the encoded hash from its bit
+ * representation within the version byte.
+ *
+ * @private
+ * @param {number} versionByte
+ * @returns {number}
+ */
+function getHashSize(versionByte) {
+  switch (versionByte & 7) {
+  case 0:
+    return 160;
+  case 1:
+    return 192;
+  case 2:
+    return 224;
+  case 3:
+    return 256;
+  case 4:
+    return 320;
+  case 5:
+    return 384;
+  case 6:
+    return 448;
+  case 7:
+    return 512;
+  }
+}
+
+/**
+ * Converts an array of 8-bit integers into an array of 5-bit integers,
+ * right-padding with zeroes if necessary.
+ *
+ * @private
+ * @param {Uint8Array} data
+ * @returns {Uint8Array}
+ */
+function toUint5Array(data) {
+  return convertBits(data, 8, 5);
+}
+
+/**
+ * Converts an array of 5-bit integers back into an array of 8-bit integers,
+ * removing extra zeroes left from padding if necessary.
+ * Throws a {@link ValidationError} if input is not a zero-padded array of 8-bit integers.
+ *
+ * @private
+ * @param {Uint8Array} data
+ * @returns {Uint8Array}
+ * @throws {ValidationError}
+ */
+function fromUint5Array(data) {
+  return convertBits(data, 5, 8, true);
+}
+
+/**
+ * Returns the concatenation a and b.
+ *
+ * @private
+ * @param {Uint8Array} a 
+ * @param {Uint8Array} b 
+ * @returns {Uint8Array}
+ * @throws {ValidationError}
+ */
+function concat(a, b) {
+  var ab = new Uint8Array(a.length + b.length);
+  ab.set(a);
+  ab.set(b, a.length);
+  return ab;
+}
+
+/**
+ * Computes a checksum from the given input data as specified for the CashAddr
+ * format: https://github.com/Bitcoin-UAHF/spec/blob/master/cashaddr.md.
+ *
+ * @private
+ * @param {Uint8Array} data Array of 5-bit integers over which the checksum is to be computed.
+ * @returns {BigInteger}
+ */
+function polymod(data) {
+  var GENERATOR = [0x98f2bc8e61, 0x79b76d99e2, 0xf33e5fb3c4, 0xae2eabe2a8, 0x1e4f43e470];
+  var checksum = bigInt(1);
+  for (var i = 0; i < data.length; ++i) {
+    var value = data[i];
+    var topBits = checksum.shiftRight(35);
+    checksum = checksum.and(0x07ffffffff).shiftLeft(5).xor(value);
+    for (var j = 0; j < GENERATOR.length; ++j) {
+      if (topBits.shiftRight(j).and(1).equals(1)) {
+        checksum = checksum.xor(GENERATOR[j]);
+      }
+    }
+  }
+  return checksum.xor(1);
+}
+
+/**
+ * Verify that the payload has not been corrupted by checking that the
+ * checksum is valid.
+ * 
+ * @private
+ * @param {string} prefix Network prefix. E.g.: 'bitcoincash'.
+ * @param {Uint8Array} payload Array of 5-bit integers containing the address' payload.
+ * @returns {boolean}
+ */
+function validChecksum(prefix, payload) {
+  var prefixData = concat(prefixToUint5Array(prefix), new Uint8Array(1));
+  var checksumData = concat(prefixData, payload);
+  return polymod(checksumData).equals(0);
+}
+
+/**
+ * Returns true if, and only if, the given string contains either uppercase
+ * or lowercase letters, but not both.
+ *
+ * @private
+ * @param {string} string Input string.
+ * @returns {boolean}
+ */
+function hasSingleCase(string) {
+  return string === string.toLowerCase() || string === string.toUpperCase();
+}
+
+module.exports = {
+  encode: encode,
+  decode: decode,
+  ValidationError: ValidationError,
+};
+
+},{"./base32":71,"./convertBits":73,"./validation":74,"big-integer":18}],73:[function(require,module,exports){
+// Copyright (c) 2017-2018 Emilio Almansi
+// Copyright (c) 2017 Pieter Wuille
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+'use strict';
+
+var validate = require('./validation').validate;
+
+/**
+ * Converts an array of integers made up of 'from' bits into an
+ * array of integers made up of 'to' bits. The output array is
+ * zero-padded if necessary, unless strict mode is true.
+ * Throws a {@link ValidationError} if input is invalid.
+ * Original by Pieter Wuille: https://github.com/sipa/bech32.
+ *
+ * @param {Uint8Array} data Array of integers made up of 'from' bits.
+ * @param {number} from Length in bits of elements in the input array.
+ * @param {number} to Length in bits of elements in the output array.
+ * @param {bool} strictMode Require the conversion to be completed without padding.
+ * @returns {Uint8Array}
+ */
+module.exports = function(data, from, to, strictMode) {
+  var length = strictMode
+    ? Math.floor(data.length * from / to)
+    : Math.ceil(data.length * from / to);
+  var mask = (1 << to) - 1;
+  var result = new Uint8Array(length);
+  var index = 0;
+  var accumulator = 0;
+  var bits = 0;
+  for (var i = 0; i < data.length; ++i) {
+    var value = data[i];
+    validate(0 <= value && (value >> from) === 0, 'Invalid value: ' + value + '.');
+    accumulator = (accumulator << from) | value;
+    bits += from;
+    while (bits >= to) {
+      bits -= to;
+      result[index] = (accumulator >> bits) & mask;
+      ++index;
+    }
+  }
+  if (!strictMode) {
+    if (bits > 0) {
+      result[index] = (accumulator << (to - bits)) & mask;
+      ++index;
+    }
+  } else {
+    validate(
+      bits < from && ((accumulator << (to - bits)) & mask) === 0,
+      'Input cannot be converted to ' + to + ' bits without padding, but strict mode was used.'
+    );
+  }
+  return result;
+};
+
+},{"./validation":74}],74:[function(require,module,exports){
+/**
+ * @license
+ * https://github.com/bitcoincashjs/cashaddr
+ * Copyright (c) 2017-2018 Emilio Almansi
+ * Distributed under the MIT software license, see the accompanying
+ * file LICENSE or http://www.opensource.org/licenses/mit-license.php.
+ */
+
+'use strict';
+
+/**
+ * Validation utility.
+ *
+ * @module validation
+ */
+
+/**
+ * Error thrown when encoding or decoding fail due to invalid input.
+ *
+ * @constructor ValidationError
+ * @param {string} message Error description.
+ */
+function ValidationError(message) {
+  var error = new Error();
+  this.name = error.name = 'ValidationError';
+  this.message = error.message = message;
+  this.stack = error.stack;
+}
+
+ValidationError.prototype = Object.create(Error.prototype);
+
+/**
+ * Validates a given condition, throwing a {@link ValidationError} if
+ * the given condition does not hold.
+ *
+ * @static
+ * @param {boolean} condition Condition to validate.
+ * @param {string} message Error message in case the condition does not hold.
+ */
+function validate(condition, message) {
+  if (!condition) {
+    throw new ValidationError(message);
+  }
+}
+
+module.exports = {
+  ValidationError: ValidationError,
+  validate: validate,
+};
+
+},{}],75:[function(require,module,exports){
+var Buffer = require('safe-buffer').Buffer
+var Transform = require('stream').Transform
+var StringDecoder = require('string_decoder').StringDecoder
+var inherits = require('inherits')
+
+function CipherBase (hashMode) {
+  Transform.call(this)
+  this.hashMode = typeof hashMode === 'string'
+  if (this.hashMode) {
+    this[hashMode] = this._finalOrDigest
+  } else {
+    this.final = this._finalOrDigest
+  }
+  if (this._final) {
+    this.__final = this._final
+    this._final = null
+  }
+  this._decoder = null
+  this._encoding = null
+}
+inherits(CipherBase, Transform)
+
+CipherBase.prototype.update = function (data, inputEnc, outputEnc) {
+  if (typeof data === 'string') {
+    data = Buffer.from(data, inputEnc)
+  }
+
+  var outData = this._update(data)
+  if (this.hashMode) return this
+
+  if (outputEnc) {
+    outData = this._toString(outData, outputEnc)
+  }
+
+  return outData
+}
+
+CipherBase.prototype.setAutoPadding = function () {}
+CipherBase.prototype.getAuthTag = function () {
+  throw new Error('trying to get auth tag in unsupported state')
+}
+
+CipherBase.prototype.setAuthTag = function () {
+  throw new Error('trying to set auth tag in unsupported state')
+}
+
+CipherBase.prototype.setAAD = function () {
+  throw new Error('trying to set aad in unsupported state')
+}
+
+CipherBase.prototype._transform = function (data, _, next) {
+  var err
+  try {
+    if (this.hashMode) {
+      this._update(data)
+    } else {
+      this.push(this._update(data))
+    }
+  } catch (e) {
+    err = e
+  } finally {
+    next(err)
+  }
+}
+CipherBase.prototype._flush = function (done) {
+  var err
+  try {
+    this.push(this.__final())
+  } catch (e) {
+    err = e
+  }
+
+  done(err)
+}
+CipherBase.prototype._finalOrDigest = function (outputEnc) {
+  var outData = this.__final() || Buffer.alloc(0)
+  if (outputEnc) {
+    outData = this._toString(outData, outputEnc, true)
+  }
+  return outData
+}
+
+CipherBase.prototype._toString = function (value, enc, fin) {
+  if (!this._decoder) {
+    this._decoder = new StringDecoder(enc)
+    this._encoding = enc
+  }
+
+  if (this._encoding !== enc) throw new Error('can\'t switch encodings')
+
+  var out = this._decoder.write(value)
+  if (fin) {
+    out += this._decoder.end()
+  }
+
+  return out
+}
+
+module.exports = CipherBase
+
+},{"inherits":145,"safe-buffer":195,"stream":204,"string_decoder":205}],76:[function(require,module,exports){
+(function (Buffer){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+// NOTE: These type checking functions intentionally don't use `instanceof`
+// because it is fragile and can be easily faked with `Object.create()`.
+
+function isArray(arg) {
+  if (Array.isArray) {
+    return Array.isArray(arg);
+  }
+  return objectToString(arg) === '[object Array]';
+}
+exports.isArray = isArray;
+
+function isBoolean(arg) {
+  return typeof arg === 'boolean';
+}
+exports.isBoolean = isBoolean;
+
+function isNull(arg) {
+  return arg === null;
+}
+exports.isNull = isNull;
+
+function isNullOrUndefined(arg) {
+  return arg == null;
+}
+exports.isNullOrUndefined = isNullOrUndefined;
+
+function isNumber(arg) {
+  return typeof arg === 'number';
+}
+exports.isNumber = isNumber;
+
+function isString(arg) {
+  return typeof arg === 'string';
+}
+exports.isString = isString;
+
+function isSymbol(arg) {
+  return typeof arg === 'symbol';
+}
+exports.isSymbol = isSymbol;
+
+function isUndefined(arg) {
+  return arg === void 0;
+}
+exports.isUndefined = isUndefined;
+
+function isRegExp(re) {
+  return objectToString(re) === '[object RegExp]';
+}
+exports.isRegExp = isRegExp;
+
+function isObject(arg) {
+  return typeof arg === 'object' && arg !== null;
+}
+exports.isObject = isObject;
+
+function isDate(d) {
+  return objectToString(d) === '[object Date]';
+}
+exports.isDate = isDate;
+
+function isError(e) {
+  return (objectToString(e) === '[object Error]' || e instanceof Error);
+}
+exports.isError = isError;
+
+function isFunction(arg) {
+  return typeof arg === 'function';
+}
+exports.isFunction = isFunction;
+
+function isPrimitive(arg) {
+  return arg === null ||
+         typeof arg === 'boolean' ||
+         typeof arg === 'number' ||
+         typeof arg === 'string' ||
+         typeof arg === 'symbol' ||  // ES6 symbol
+         typeof arg === 'undefined';
+}
+exports.isPrimitive = isPrimitive;
+
+exports.isBuffer = Buffer.isBuffer;
+
+function objectToString(o) {
+  return Object.prototype.toString.call(o);
+}
+
+}).call(this,{"isBuffer":require("../../is-buffer/index.js")})
+},{"../../is-buffer/index.js":146}],77:[function(require,module,exports){
+(function (Buffer){
+var elliptic = require('elliptic');
+var BN = require('bn.js');
+
+module.exports = function createECDH(curve) {
+	return new ECDH(curve);
+};
+
+var aliases = {
+	secp256k1: {
+		name: 'secp256k1',
+		byteLength: 32
+	},
+	secp224r1: {
+		name: 'p224',
+		byteLength: 28
+	},
+	prime256v1: {
+		name: 'p256',
+		byteLength: 32
+	},
+	prime192v1: {
+		name: 'p192',
+		byteLength: 24
+	},
+	ed25519: {
+		name: 'ed25519',
+		byteLength: 32
+	},
+	secp384r1: {
+		name: 'p384',
+		byteLength: 48
+	},
+	secp521r1: {
+		name: 'p521',
+		byteLength: 66
+	}
+};
+
+aliases.p224 = aliases.secp224r1;
+aliases.p256 = aliases.secp256r1 = aliases.prime256v1;
+aliases.p192 = aliases.secp192r1 = aliases.prime192v1;
+aliases.p384 = aliases.secp384r1;
+aliases.p521 = aliases.secp521r1;
+
+function ECDH(curve) {
+	this.curveType = aliases[curve];
+	if (!this.curveType ) {
+		this.curveType = {
+			name: curve
+		};
+	}
+	this.curve = new elliptic.ec(this.curveType.name);
+	this.keys = void 0;
+}
+
+ECDH.prototype.generateKeys = function (enc, format) {
+	this.keys = this.curve.genKeyPair();
+	return this.getPublicKey(enc, format);
+};
+
+ECDH.prototype.computeSecret = function (other, inenc, enc) {
+	inenc = inenc || 'utf8';
+	if (!Buffer.isBuffer(other)) {
+		other = new Buffer(other, inenc);
+	}
+	var otherPub = this.curve.keyFromPublic(other).getPublic();
+	var out = otherPub.mul(this.keys.getPrivate()).getX();
+	return formatReturnValue(out, enc, this.curveType.byteLength);
+};
+
+ECDH.prototype.getPublicKey = function (enc, format) {
+	var key = this.keys.getPublic(format === 'compressed', true);
+	if (format === 'hybrid') {
+		if (key[key.length - 1] % 2) {
+			key[0] = 7;
+		} else {
+			key [0] = 6;
+		}
+	}
+	return formatReturnValue(key, enc);
+};
+
+ECDH.prototype.getPrivateKey = function (enc) {
+	return formatReturnValue(this.keys.getPrivate(), enc);
+};
+
+ECDH.prototype.setPublicKey = function (pub, enc) {
+	enc = enc || 'utf8';
+	if (!Buffer.isBuffer(pub)) {
+		pub = new Buffer(pub, enc);
+	}
+	this.keys._importPublic(pub);
+	return this;
+};
+
+ECDH.prototype.setPrivateKey = function (priv, enc) {
+	enc = enc || 'utf8';
+	if (!Buffer.isBuffer(priv)) {
+		priv = new Buffer(priv, enc);
+	}
+	var _priv = new BN(priv);
+	_priv = _priv.toString(16);
+	this.keys._importPrivate(_priv);
+	return this;
+};
+
+function formatReturnValue(bn, enc, len) {
+	if (!Array.isArray(bn)) {
+		bn = bn.toArray();
+	}
+	var buf = new Buffer(bn);
+	if (len && buf.length < len) {
+		var zeros = new Buffer(len - buf.length);
+		zeros.fill(0);
+		buf = Buffer.concat([zeros, buf]);
+	}
+	if (!enc) {
+		return buf;
+	} else {
+		return buf.toString(enc);
+	}
+}
+
+}).call(this,require("buffer").Buffer)
+},{"bn.js":78,"buffer":70,"elliptic":79}],78:[function(require,module,exports){
+arguments[4][15][0].apply(exports,arguments)
+},{"buffer":21,"dup":15}],79:[function(require,module,exports){
+arguments[4][51][0].apply(exports,arguments)
+},{"../package.json":94,"./elliptic/curve":82,"./elliptic/curves":85,"./elliptic/ec":86,"./elliptic/eddsa":89,"./elliptic/utils":93,"brorand":20,"dup":51}],80:[function(require,module,exports){
+arguments[4][52][0].apply(exports,arguments)
+},{"../../elliptic":79,"bn.js":78,"dup":52}],81:[function(require,module,exports){
+arguments[4][53][0].apply(exports,arguments)
+},{"../../elliptic":79,"../curve":82,"bn.js":78,"dup":53,"inherits":145}],82:[function(require,module,exports){
+arguments[4][54][0].apply(exports,arguments)
+},{"./base":80,"./edwards":81,"./mont":83,"./short":84,"dup":54}],83:[function(require,module,exports){
+arguments[4][55][0].apply(exports,arguments)
+},{"../../elliptic":79,"../curve":82,"bn.js":78,"dup":55,"inherits":145}],84:[function(require,module,exports){
+arguments[4][56][0].apply(exports,arguments)
+},{"../../elliptic":79,"../curve":82,"bn.js":78,"dup":56,"inherits":145}],85:[function(require,module,exports){
+arguments[4][57][0].apply(exports,arguments)
+},{"../elliptic":79,"./precomputed/secp256k1":92,"dup":57,"hash.js":129}],86:[function(require,module,exports){
+arguments[4][58][0].apply(exports,arguments)
+},{"../../elliptic":79,"./key":87,"./signature":88,"bn.js":78,"dup":58,"hmac-drbg":142}],87:[function(require,module,exports){
+arguments[4][59][0].apply(exports,arguments)
+},{"../../elliptic":79,"bn.js":78,"dup":59}],88:[function(require,module,exports){
+arguments[4][60][0].apply(exports,arguments)
+},{"../../elliptic":79,"bn.js":78,"dup":60}],89:[function(require,module,exports){
+arguments[4][61][0].apply(exports,arguments)
+},{"../../elliptic":79,"./key":90,"./signature":91,"dup":61,"hash.js":129}],90:[function(require,module,exports){
+arguments[4][62][0].apply(exports,arguments)
+},{"../../elliptic":79,"dup":62}],91:[function(require,module,exports){
+arguments[4][63][0].apply(exports,arguments)
+},{"../../elliptic":79,"bn.js":78,"dup":63}],92:[function(require,module,exports){
+arguments[4][64][0].apply(exports,arguments)
+},{"dup":64}],93:[function(require,module,exports){
+arguments[4][65][0].apply(exports,arguments)
+},{"bn.js":78,"dup":65,"minimalistic-assert":153,"minimalistic-crypto-utils":154}],94:[function(require,module,exports){
+module.exports={
+  "_args": [
+    [
+      "elliptic@6.4.0",
+      "/home/emilio/dev/bitcoincashjs/bitcoincashjs"
+    ]
+  ],
+  "_development": true,
+  "_from": "elliptic@6.4.0",
+  "_id": "elliptic@6.4.0",
+  "_inBundle": false,
+  "_integrity": "sha1-ysmvh2LIWDYYcAPI3+GT5eLq5d8=",
+  "_location": "/create-ecdh/elliptic",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "version",
+    "registry": true,
+    "raw": "elliptic@6.4.0",
+    "name": "elliptic",
+    "escapedName": "elliptic",
+    "rawSpec": "6.4.0",
+    "saveSpec": null,
+    "fetchSpec": "6.4.0"
+  },
+  "_requiredBy": [
+    "/create-ecdh"
+  ],
+  "_resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.4.0.tgz",
+  "_spec": "6.4.0",
+  "_where": "/home/emilio/dev/bitcoincashjs/bitcoincashjs",
+  "author": {
+    "name": "Fedor Indutny",
+    "email": "fedor@indutny.com"
+  },
+  "bugs": {
+    "url": "https://github.com/indutny/elliptic/issues"
+  },
+  "dependencies": {
+    "bn.js": "^4.4.0",
+    "brorand": "^1.0.1",
+    "hash.js": "^1.0.0",
+    "hmac-drbg": "^1.0.0",
+    "inherits": "^2.0.1",
+    "minimalistic-assert": "^1.0.0",
+    "minimalistic-crypto-utils": "^1.0.0"
+  },
+  "description": "EC cryptography",
+  "devDependencies": {
+    "brfs": "^1.4.3",
+    "coveralls": "^2.11.3",
+    "grunt": "^0.4.5",
+    "grunt-browserify": "^5.0.0",
+    "grunt-cli": "^1.2.0",
+    "grunt-contrib-connect": "^1.0.0",
+    "grunt-contrib-copy": "^1.0.0",
+    "grunt-contrib-uglify": "^1.0.1",
+    "grunt-mocha-istanbul": "^3.0.1",
+    "grunt-saucelabs": "^8.6.2",
+    "istanbul": "^0.4.2",
+    "jscs": "^2.9.0",
+    "jshint": "^2.6.0",
+    "mocha": "^2.1.0"
+  },
+  "files": [
+    "lib"
+  ],
+  "homepage": "https://github.com/indutny/elliptic",
+  "keywords": [
+    "EC",
+    "Elliptic",
+    "curve",
+    "Cryptography"
+  ],
+  "license": "MIT",
+  "main": "lib/elliptic.js",
+  "name": "elliptic",
+  "repository": {
+    "type": "git",
+    "url": "git+ssh://git@github.com/indutny/elliptic.git"
+  },
+  "scripts": {
+    "jscs": "jscs benchmarks/*.js lib/*.js lib/**/*.js lib/**/**/*.js test/index.js",
+    "jshint": "jscs benchmarks/*.js lib/*.js lib/**/*.js lib/**/**/*.js test/index.js",
+    "lint": "npm run jscs && npm run jshint",
+    "test": "npm run lint && npm run unit",
+    "unit": "istanbul test _mocha --reporter=spec test/index.js",
+    "version": "grunt dist && git add dist/"
+  },
+  "version": "6.4.0"
+}
+
+},{}],95:[function(require,module,exports){
+(function (Buffer){
+'use strict'
+var inherits = require('inherits')
+var md5 = require('./md5')
+var RIPEMD160 = require('ripemd160')
+var sha = require('sha.js')
+
+var Base = require('cipher-base')
+
+function HashNoConstructor (hash) {
+  Base.call(this, 'digest')
+
+  this._hash = hash
+  this.buffers = []
+}
+
+inherits(HashNoConstructor, Base)
+
+HashNoConstructor.prototype._update = function (data) {
+  this.buffers.push(data)
+}
+
+HashNoConstructor.prototype._final = function () {
+  var buf = Buffer.concat(this.buffers)
+  var r = this._hash(buf)
+  this.buffers = null
+
+  return r
+}
+
+function Hash (hash) {
+  Base.call(this, 'digest')
+
+  this._hash = hash
+}
+
+inherits(Hash, Base)
+
+Hash.prototype._update = function (data) {
+  this._hash.update(data)
+}
+
+Hash.prototype._final = function () {
+  return this._hash.digest()
+}
+
+module.exports = function createHash (alg) {
+  alg = alg.toLowerCase()
+  if (alg === 'md5') return new HashNoConstructor(md5)
+  if (alg === 'rmd160' || alg === 'ripemd160') return new Hash(new RIPEMD160())
+
+  return new Hash(sha(alg))
+}
+
+}).call(this,require("buffer").Buffer)
+},{"./md5":97,"buffer":70,"cipher-base":75,"inherits":145,"ripemd160":194,"sha.js":197}],96:[function(require,module,exports){
+(function (Buffer){
+'use strict'
+var intSize = 4
+var zeroBuffer = new Buffer(intSize)
+zeroBuffer.fill(0)
+
+var charSize = 8
+var hashSize = 16
+
+function toArray (buf) {
+  if ((buf.length % intSize) !== 0) {
+    var len = buf.length + (intSize - (buf.length % intSize))
+    buf = Buffer.concat([buf, zeroBuffer], len)
+  }
+
+  var arr = new Array(buf.length >>> 2)
+  for (var i = 0, j = 0; i < buf.length; i += intSize, j++) {
+    arr[j] = buf.readInt32LE(i)
+  }
+
+  return arr
+}
+
+module.exports = function hash (buf, fn) {
+  var arr = fn(toArray(buf), buf.length * charSize)
+  buf = new Buffer(hashSize)
+  for (var i = 0; i < arr.length; i++) {
+    buf.writeInt32LE(arr[i], i << 2, true)
+  }
+  return buf
+}
+
+}).call(this,require("buffer").Buffer)
+},{"buffer":70}],97:[function(require,module,exports){
+'use strict'
+/*
+ * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
+ * Digest Algorithm, as defined in RFC 1321.
+ * Version 2.1 Copyright (C) Paul Johnston 1999 - 2002.
+ * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
+ * Distributed under the BSD License
+ * See http://pajhome.org.uk/crypt/md5 for more info.
+ */
+
+var makeHash = require('./make-hash')
+
+/*
+ * Calculate the MD5 of an array of little-endian words, and a bit length
+ */
+function core_md5 (x, len) {
+  /* append padding */
+  x[len >> 5] |= 0x80 << ((len) % 32)
+  x[(((len + 64) >>> 9) << 4) + 14] = len
+
+  var a = 1732584193
+  var b = -271733879
+  var c = -1732584194
+  var d = 271733878
+
+  for (var i = 0; i < x.length; i += 16) {
+    var olda = a
+    var oldb = b
+    var oldc = c
+    var oldd = d
+
+    a = md5_ff(a, b, c, d, x[i + 0], 7, -680876936)
+    d = md5_ff(d, a, b, c, x[i + 1], 12, -389564586)
+    c = md5_ff(c, d, a, b, x[i + 2], 17, 606105819)
+    b = md5_ff(b, c, d, a, x[i + 3], 22, -1044525330)
+    a = md5_ff(a, b, c, d, x[i + 4], 7, -176418897)
+    d = md5_ff(d, a, b, c, x[i + 5], 12, 1200080426)
+    c = md5_ff(c, d, a, b, x[i + 6], 17, -1473231341)
+    b = md5_ff(b, c, d, a, x[i + 7], 22, -45705983)
+    a = md5_ff(a, b, c, d, x[i + 8], 7, 1770035416)
+    d = md5_ff(d, a, b, c, x[i + 9], 12, -1958414417)
+    c = md5_ff(c, d, a, b, x[i + 10], 17, -42063)
+    b = md5_ff(b, c, d, a, x[i + 11], 22, -1990404162)
+    a = md5_ff(a, b, c, d, x[i + 12], 7, 1804603682)
+    d = md5_ff(d, a, b, c, x[i + 13], 12, -40341101)
+    c = md5_ff(c, d, a, b, x[i + 14], 17, -1502002290)
+    b = md5_ff(b, c, d, a, x[i + 15], 22, 1236535329)
+
+    a = md5_gg(a, b, c, d, x[i + 1], 5, -165796510)
+    d = md5_gg(d, a, b, c, x[i + 6], 9, -1069501632)
+    c = md5_gg(c, d, a, b, x[i + 11], 14, 643717713)
+    b = md5_gg(b, c, d, a, x[i + 0], 20, -373897302)
+    a = md5_gg(a, b, c, d, x[i + 5], 5, -701558691)
+    d = md5_gg(d, a, b, c, x[i + 10], 9, 38016083)
+    c = md5_gg(c, d, a, b, x[i + 15], 14, -660478335)
+    b = md5_gg(b, c, d, a, x[i + 4], 20, -405537848)
+    a = md5_gg(a, b, c, d, x[i + 9], 5, 568446438)
+    d = md5_gg(d, a, b, c, x[i + 14], 9, -1019803690)
+    c = md5_gg(c, d, a, b, x[i + 3], 14, -187363961)
+    b = md5_gg(b, c, d, a, x[i + 8], 20, 1163531501)
+    a = md5_gg(a, b, c, d, x[i + 13], 5, -1444681467)
+    d = md5_gg(d, a, b, c, x[i + 2], 9, -51403784)
+    c = md5_gg(c, d, a, b, x[i + 7], 14, 1735328473)
+    b = md5_gg(b, c, d, a, x[i + 12], 20, -1926607734)
+
+    a = md5_hh(a, b, c, d, x[i + 5], 4, -378558)
+    d = md5_hh(d, a, b, c, x[i + 8], 11, -2022574463)
+    c = md5_hh(c, d, a, b, x[i + 11], 16, 1839030562)
+    b = md5_hh(b, c, d, a, x[i + 14], 23, -35309556)
+    a = md5_hh(a, b, c, d, x[i + 1], 4, -1530992060)
+    d = md5_hh(d, a, b, c, x[i + 4], 11, 1272893353)
+    c = md5_hh(c, d, a, b, x[i + 7], 16, -155497632)
+    b = md5_hh(b, c, d, a, x[i + 10], 23, -1094730640)
+    a = md5_hh(a, b, c, d, x[i + 13], 4, 681279174)
+    d = md5_hh(d, a, b, c, x[i + 0], 11, -358537222)
+    c = md5_hh(c, d, a, b, x[i + 3], 16, -722521979)
+    b = md5_hh(b, c, d, a, x[i + 6], 23, 76029189)
+    a = md5_hh(a, b, c, d, x[i + 9], 4, -640364487)
+    d = md5_hh(d, a, b, c, x[i + 12], 11, -421815835)
+    c = md5_hh(c, d, a, b, x[i + 15], 16, 530742520)
+    b = md5_hh(b, c, d, a, x[i + 2], 23, -995338651)
+
+    a = md5_ii(a, b, c, d, x[i + 0], 6, -198630844)
+    d = md5_ii(d, a, b, c, x[i + 7], 10, 1126891415)
+    c = md5_ii(c, d, a, b, x[i + 14], 15, -1416354905)
+    b = md5_ii(b, c, d, a, x[i + 5], 21, -57434055)
+    a = md5_ii(a, b, c, d, x[i + 12], 6, 1700485571)
+    d = md5_ii(d, a, b, c, x[i + 3], 10, -1894986606)
+    c = md5_ii(c, d, a, b, x[i + 10], 15, -1051523)
+    b = md5_ii(b, c, d, a, x[i + 1], 21, -2054922799)
+    a = md5_ii(a, b, c, d, x[i + 8], 6, 1873313359)
+    d = md5_ii(d, a, b, c, x[i + 15], 10, -30611744)
+    c = md5_ii(c, d, a, b, x[i + 6], 15, -1560198380)
+    b = md5_ii(b, c, d, a, x[i + 13], 21, 1309151649)
+    a = md5_ii(a, b, c, d, x[i + 4], 6, -145523070)
+    d = md5_ii(d, a, b, c, x[i + 11], 10, -1120210379)
+    c = md5_ii(c, d, a, b, x[i + 2], 15, 718787259)
+    b = md5_ii(b, c, d, a, x[i + 9], 21, -343485551)
+
+    a = safe_add(a, olda)
+    b = safe_add(b, oldb)
+    c = safe_add(c, oldc)
+    d = safe_add(d, oldd)
+  }
+
+  return [a, b, c, d]
+}
+
+/*
+ * These functions implement the four basic operations the algorithm uses.
+ */
+function md5_cmn (q, a, b, x, s, t) {
+  return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s), b)
+}
+
+function md5_ff (a, b, c, d, x, s, t) {
+  return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t)
+}
+
+function md5_gg (a, b, c, d, x, s, t) {
+  return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t)
+}
+
+function md5_hh (a, b, c, d, x, s, t) {
+  return md5_cmn(b ^ c ^ d, a, b, x, s, t)
+}
+
+function md5_ii (a, b, c, d, x, s, t) {
+  return md5_cmn(c ^ (b | (~d)), a, b, x, s, t)
+}
+
+/*
+ * Add integers, wrapping at 2^32. This uses 16-bit operations internally
+ * to work around bugs in some JS interpreters.
+ */
+function safe_add (x, y) {
+  var lsw = (x & 0xFFFF) + (y & 0xFFFF)
+  var msw = (x >> 16) + (y >> 16) + (lsw >> 16)
+  return (msw << 16) | (lsw & 0xFFFF)
+}
+
+/*
+ * Bitwise rotate a 32-bit number to the left.
+ */
+function bit_rol (num, cnt) {
+  return (num << cnt) | (num >>> (32 - cnt))
+}
+
+module.exports = function md5 (buf) {
+  return makeHash(buf, core_md5)
+}
+
+},{"./make-hash":96}],98:[function(require,module,exports){
+'use strict'
+var inherits = require('inherits')
+var Legacy = require('./legacy')
+var Base = require('cipher-base')
+var Buffer = require('safe-buffer').Buffer
+var md5 = require('create-hash/md5')
+var RIPEMD160 = require('ripemd160')
+
+var sha = require('sha.js')
+
+var ZEROS = Buffer.alloc(128)
+
+function Hmac (alg, key) {
+  Base.call(this, 'digest')
+  if (typeof key === 'string') {
+    key = Buffer.from(key)
+  }
+
+  var blocksize = (alg === 'sha512' || alg === 'sha384') ? 128 : 64
+
+  this._alg = alg
+  this._key = key
+  if (key.length > blocksize) {
+    var hash = alg === 'rmd160' ? new RIPEMD160() : sha(alg)
+    key = hash.update(key).digest()
+  } else if (key.length < blocksize) {
+    key = Buffer.concat([key, ZEROS], blocksize)
+  }
+
+  var ipad = this._ipad = Buffer.allocUnsafe(blocksize)
+  var opad = this._opad = Buffer.allocUnsafe(blocksize)
+
+  for (var i = 0; i < blocksize; i++) {
+    ipad[i] = key[i] ^ 0x36
+    opad[i] = key[i] ^ 0x5C
+  }
+  this._hash = alg === 'rmd160' ? new RIPEMD160() : sha(alg)
+  this._hash.update(ipad)
+}
+
+inherits(Hmac, Base)
+
+Hmac.prototype._update = function (data) {
+  this._hash.update(data)
+}
+
+Hmac.prototype._final = function () {
+  var h = this._hash.digest()
+  var hash = this._alg === 'rmd160' ? new RIPEMD160() : sha(this._alg)
+  return hash.update(this._opad).update(h).digest()
+}
+
+module.exports = function createHmac (alg, key) {
+  alg = alg.toLowerCase()
+  if (alg === 'rmd160' || alg === 'ripemd160') {
+    return new Hmac('rmd160', key)
+  }
+  if (alg === 'md5') {
+    return new Legacy(md5, key)
+  }
+  return new Hmac(alg, key)
+}
+
+},{"./legacy":99,"cipher-base":75,"create-hash/md5":97,"inherits":145,"ripemd160":194,"safe-buffer":195,"sha.js":197}],99:[function(require,module,exports){
+'use strict'
+var inherits = require('inherits')
+var Buffer = require('safe-buffer').Buffer
+
+var Base = require('cipher-base')
+
+var ZEROS = Buffer.alloc(128)
+var blocksize = 64
+
+function Hmac (alg, key) {
+  Base.call(this, 'digest')
+  if (typeof key === 'string') {
+    key = Buffer.from(key)
+  }
+
+  this._alg = alg
+  this._key = key
+
+  if (key.length > blocksize) {
+    key = alg(key)
+  } else if (key.length < blocksize) {
+    key = Buffer.concat([key, ZEROS], blocksize)
+  }
+
+  var ipad = this._ipad = Buffer.allocUnsafe(blocksize)
+  var opad = this._opad = Buffer.allocUnsafe(blocksize)
+
+  for (var i = 0; i < blocksize; i++) {
+    ipad[i] = key[i] ^ 0x36
+    opad[i] = key[i] ^ 0x5C
+  }
+
+  this._hash = [ipad]
+}
+
+inherits(Hmac, Base)
+
+Hmac.prototype._update = function (data) {
+  this._hash.push(data)
+}
+
+Hmac.prototype._final = function () {
+  var h = this._alg(Buffer.concat(this._hash))
+  return this._alg(Buffer.concat([this._opad, h]))
+}
+module.exports = Hmac
+
+},{"cipher-base":75,"inherits":145,"safe-buffer":195}],100:[function(require,module,exports){
+'use strict'
+
+exports.randomBytes = exports.rng = exports.pseudoRandomBytes = exports.prng = require('randombytes')
+exports.createHash = exports.Hash = require('create-hash')
+exports.createHmac = exports.Hmac = require('create-hmac')
+
+var algos = require('browserify-sign/algos')
+var algoKeys = Object.keys(algos)
+var hashes = ['sha1', 'sha224', 'sha256', 'sha384', 'sha512', 'md5', 'rmd160'].concat(algoKeys)
+exports.getHashes = function () {
+  return hashes
+}
+
+var p = require('pbkdf2')
+exports.pbkdf2 = p.pbkdf2
+exports.pbkdf2Sync = p.pbkdf2Sync
+
+var aes = require('browserify-cipher')
+
+exports.Cipher = aes.Cipher
+exports.createCipher = aes.createCipher
+exports.Cipheriv = aes.Cipheriv
+exports.createCipheriv = aes.createCipheriv
+exports.Decipher = aes.Decipher
+exports.createDecipher = aes.createDecipher
+exports.Decipheriv = aes.Decipheriv
+exports.createDecipheriv = aes.createDecipheriv
+exports.getCiphers = aes.getCiphers
+exports.listCiphers = aes.listCiphers
+
+var dh = require('diffie-hellman')
+
+exports.DiffieHellmanGroup = dh.DiffieHellmanGroup
+exports.createDiffieHellmanGroup = dh.createDiffieHellmanGroup
+exports.getDiffieHellman = dh.getDiffieHellman
+exports.createDiffieHellman = dh.createDiffieHellman
+exports.DiffieHellman = dh.DiffieHellman
+
+var sign = require('browserify-sign')
+
+exports.createSign = sign.createSign
+exports.Sign = sign.Sign
+exports.createVerify = sign.createVerify
+exports.Verify = sign.Verify
+
+exports.createECDH = require('create-ecdh')
+
+var publicEncrypt = require('public-encrypt')
+
+exports.publicEncrypt = publicEncrypt.publicEncrypt
+exports.privateEncrypt = publicEncrypt.privateEncrypt
+exports.publicDecrypt = publicEncrypt.publicDecrypt
+exports.privateDecrypt = publicEncrypt.privateDecrypt
+
+// the least I can do is make error messages for the rest of the node.js/crypto api.
+// ;[
+//   'createCredentials'
+// ].forEach(function (name) {
+//   exports[name] = function () {
+//     throw new Error([
+//       'sorry, ' + name + ' is not implemented yet',
+//       'we accept pull requests',
+//       'https://github.com/crypto-browserify/crypto-browserify'
+//     ].join('\n'))
+//   }
+// })
+
+var rf = require('randomfill')
+
+exports.randomFill = rf.randomFill
+exports.randomFillSync = rf.randomFillSync
+
+exports.createCredentials = function () {
+  throw new Error([
+    'sorry, createCredentials is not implemented yet',
+    'we accept pull requests',
+    'https://github.com/crypto-browserify/crypto-browserify'
+  ].join('\n'))
+}
+
+exports.constants = {
+  'DH_CHECK_P_NOT_SAFE_PRIME': 2,
+  'DH_CHECK_P_NOT_PRIME': 1,
+  'DH_UNABLE_TO_CHECK_GENERATOR': 4,
+  'DH_NOT_SUITABLE_GENERATOR': 8,
+  'NPN_ENABLED': 1,
+  'ALPN_ENABLED': 1,
+  'RSA_PKCS1_PADDING': 1,
+  'RSA_SSLV23_PADDING': 2,
+  'RSA_NO_PADDING': 3,
+  'RSA_PKCS1_OAEP_PADDING': 4,
+  'RSA_X931_PADDING': 5,
+  'RSA_PKCS1_PSS_PADDING': 6,
+  'POINT_CONVERSION_COMPRESSED': 2,
+  'POINT_CONVERSION_UNCOMPRESSED': 4,
+  'POINT_CONVERSION_HYBRID': 6
+}
+
+},{"browserify-cipher":39,"browserify-sign":47,"browserify-sign/algos":44,"create-ecdh":77,"create-hash":95,"create-hmac":98,"diffie-hellman":107,"pbkdf2":160,"public-encrypt":167,"randombytes":178,"randomfill":179}],101:[function(require,module,exports){
+'use strict';
+
+exports.utils = require('./des/utils');
+exports.Cipher = require('./des/cipher');
+exports.DES = require('./des/des');
+exports.CBC = require('./des/cbc');
+exports.EDE = require('./des/ede');
+
+},{"./des/cbc":102,"./des/cipher":103,"./des/des":104,"./des/ede":105,"./des/utils":106}],102:[function(require,module,exports){
+'use strict';
+
+var assert = require('minimalistic-assert');
+var inherits = require('inherits');
+
+var proto = {};
+
+function CBCState(iv) {
+  assert.equal(iv.length, 8, 'Invalid IV length');
+
+  this.iv = new Array(8);
+  for (var i = 0; i < this.iv.length; i++)
+    this.iv[i] = iv[i];
+}
+
+function instantiate(Base) {
+  function CBC(options) {
+    Base.call(this, options);
+    this._cbcInit();
+  }
+  inherits(CBC, Base);
+
+  var keys = Object.keys(proto);
+  for (var i = 0; i < keys.length; i++) {
+    var key = keys[i];
+    CBC.prototype[key] = proto[key];
+  }
+
+  CBC.create = function create(options) {
+    return new CBC(options);
+  };
+
+  return CBC;
+}
+
+exports.instantiate = instantiate;
+
+proto._cbcInit = function _cbcInit() {
+  var state = new CBCState(this.options.iv);
+  this._cbcState = state;
+};
+
+proto._update = function _update(inp, inOff, out, outOff) {
+  var state = this._cbcState;
+  var superProto = this.constructor.super_.prototype;
+
+  var iv = state.iv;
+  if (this.type === 'encrypt') {
+    for (var i = 0; i < this.blockSize; i++)
+      iv[i] ^= inp[inOff + i];
+
+    superProto._update.call(this, iv, 0, out, outOff);
+
+    for (var i = 0; i < this.blockSize; i++)
+      iv[i] = out[outOff + i];
+  } else {
+    superProto._update.call(this, inp, inOff, out, outOff);
+
+    for (var i = 0; i < this.blockSize; i++)
+      out[outOff + i] ^= iv[i];
+
+    for (var i = 0; i < this.blockSize; i++)
+      iv[i] = inp[inOff + i];
+  }
+};
+
+},{"inherits":145,"minimalistic-assert":153}],103:[function(require,module,exports){
+'use strict';
+
+var assert = require('minimalistic-assert');
+
+function Cipher(options) {
+  this.options = options;
+
+  this.type = this.options.type;
+  this.blockSize = 8;
+  this._init();
+
+  this.buffer = new Array(this.blockSize);
+  this.bufferOff = 0;
+}
+module.exports = Cipher;
+
+Cipher.prototype._init = function _init() {
+  // Might be overrided
+};
+
+Cipher.prototype.update = function update(data) {
+  if (data.length === 0)
+    return [];
+
+  if (this.type === 'decrypt')
+    return this._updateDecrypt(data);
+  else
+    return this._updateEncrypt(data);
+};
+
+Cipher.prototype._buffer = function _buffer(data, off) {
+  // Append data to buffer
+  var min = Math.min(this.buffer.length - this.bufferOff, data.length - off);
+  for (var i = 0; i < min; i++)
+    this.buffer[this.bufferOff + i] = data[off + i];
+  this.bufferOff += min;
+
+  // Shift next
+  return min;
+};
+
+Cipher.prototype._flushBuffer = function _flushBuffer(out, off) {
+  this._update(this.buffer, 0, out, off);
+  this.bufferOff = 0;
+  return this.blockSize;
+};
+
+Cipher.prototype._updateEncrypt = function _updateEncrypt(data) {
+  var inputOff = 0;
+  var outputOff = 0;
+
+  var count = ((this.bufferOff + data.length) / this.blockSize) | 0;
+  var out = new Array(count * this.blockSize);
+
+  if (this.bufferOff !== 0) {
+    inputOff += this._buffer(data, inputOff);
+
+    if (this.bufferOff === this.buffer.length)
+      outputOff += this._flushBuffer(out, outputOff);
+  }
+
+  // Write blocks
+  var max = data.length - ((data.length - inputOff) % this.blockSize);
+  for (; inputOff < max; inputOff += this.blockSize) {
+    this._update(data, inputOff, out, outputOff);
+    outputOff += this.blockSize;
+  }
+
+  // Queue rest
+  for (; inputOff < data.length; inputOff++, this.bufferOff++)
+    this.buffer[this.bufferOff] = data[inputOff];
+
+  return out;
+};
+
+Cipher.prototype._updateDecrypt = function _updateDecrypt(data) {
+  var inputOff = 0;
+  var outputOff = 0;
+
+  var count = Math.ceil((this.bufferOff + data.length) / this.blockSize) - 1;
+  var out = new Array(count * this.blockSize);
+
+  // TODO(indutny): optimize it, this is far from optimal
+  for (; count > 0; count--) {
+    inputOff += this._buffer(data, inputOff);
+    outputOff += this._flushBuffer(out, outputOff);
+  }
+
+  // Buffer rest of the input
+  inputOff += this._buffer(data, inputOff);
+
+  return out;
+};
+
+Cipher.prototype.final = function final(buffer) {
+  var first;
+  if (buffer)
+    first = this.update(buffer);
+
+  var last;
+  if (this.type === 'encrypt')
+    last = this._finalEncrypt();
+  else
+    last = this._finalDecrypt();
+
+  if (first)
+    return first.concat(last);
+  else
+    return last;
+};
+
+Cipher.prototype._pad = function _pad(buffer, off) {
+  if (off === 0)
+    return false;
+
+  while (off < buffer.length)
+    buffer[off++] = 0;
+
+  return true;
+};
+
+Cipher.prototype._finalEncrypt = function _finalEncrypt() {
+  if (!this._pad(this.buffer, this.bufferOff))
+    return [];
+
+  var out = new Array(this.blockSize);
+  this._update(this.buffer, 0, out, 0);
+  return out;
+};
+
+Cipher.prototype._unpad = function _unpad(buffer) {
+  return buffer;
+};
+
+Cipher.prototype._finalDecrypt = function _finalDecrypt() {
+  assert.equal(this.bufferOff, this.blockSize, 'Not enough data to decrypt');
+  var out = new Array(this.blockSize);
+  this._flushBuffer(out, 0);
+
+  return this._unpad(out);
+};
+
+},{"minimalistic-assert":153}],104:[function(require,module,exports){
+'use strict';
+
+var assert = require('minimalistic-assert');
+var inherits = require('inherits');
+
+var des = require('../des');
+var utils = des.utils;
+var Cipher = des.Cipher;
+
+function DESState() {
+  this.tmp = new Array(2);
+  this.keys = null;
+}
+
+function DES(options) {
+  Cipher.call(this, options);
+
+  var state = new DESState();
+  this._desState = state;
+
+  this.deriveKeys(state, options.key);
+}
+inherits(DES, Cipher);
+module.exports = DES;
+
+DES.create = function create(options) {
+  return new DES(options);
+};
+
+var shiftTable = [
+  1, 1, 2, 2, 2, 2, 2, 2,
+  1, 2, 2, 2, 2, 2, 2, 1
+];
+
+DES.prototype.deriveKeys = function deriveKeys(state, key) {
+  state.keys = new Array(16 * 2);
+
+  assert.equal(key.length, this.blockSize, 'Invalid key length');
+
+  var kL = utils.readUInt32BE(key, 0);
+  var kR = utils.readUInt32BE(key, 4);
+
+  utils.pc1(kL, kR, state.tmp, 0);
+  kL = state.tmp[0];
+  kR = state.tmp[1];
+  for (var i = 0; i < state.keys.length; i += 2) {
+    var shift = shiftTable[i >>> 1];
+    kL = utils.r28shl(kL, shift);
+    kR = utils.r28shl(kR, shift);
+    utils.pc2(kL, kR, state.keys, i);
+  }
+};
+
+DES.prototype._update = function _update(inp, inOff, out, outOff) {
+  var state = this._desState;
+
+  var l = utils.readUInt32BE(inp, inOff);
+  var r = utils.readUInt32BE(inp, inOff + 4);
+
+  // Initial Permutation
+  utils.ip(l, r, state.tmp, 0);
+  l = state.tmp[0];
+  r = state.tmp[1];
+
+  if (this.type === 'encrypt')
+    this._encrypt(state, l, r, state.tmp, 0);
+  else
+    this._decrypt(state, l, r, state.tmp, 0);
+
+  l = state.tmp[0];
+  r = state.tmp[1];
+
+  utils.writeUInt32BE(out, l, outOff);
+  utils.writeUInt32BE(out, r, outOff + 4);
+};
+
+DES.prototype._pad = function _pad(buffer, off) {
+  var value = buffer.length - off;
+  for (var i = off; i < buffer.length; i++)
+    buffer[i] = value;
+
+  return true;
+};
+
+DES.prototype._unpad = function _unpad(buffer) {
+  var pad = buffer[buffer.length - 1];
+  for (var i = buffer.length - pad; i < buffer.length; i++)
+    assert.equal(buffer[i], pad);
+
+  return buffer.slice(0, buffer.length - pad);
+};
+
+DES.prototype._encrypt = function _encrypt(state, lStart, rStart, out, off) {
+  var l = lStart;
+  var r = rStart;
+
+  // Apply f() x16 times
+  for (var i = 0; i < state.keys.length; i += 2) {
+    var keyL = state.keys[i];
+    var keyR = state.keys[i + 1];
+
+    // f(r, k)
+    utils.expand(r, state.tmp, 0);
+
+    keyL ^= state.tmp[0];
+    keyR ^= state.tmp[1];
+    var s = utils.substitute(keyL, keyR);
+    var f = utils.permute(s);
+
+    var t = r;
+    r = (l ^ f) >>> 0;
+    l = t;
+  }
+
+  // Reverse Initial Permutation
+  utils.rip(r, l, out, off);
+};
+
+DES.prototype._decrypt = function _decrypt(state, lStart, rStart, out, off) {
+  var l = rStart;
+  var r = lStart;
+
+  // Apply f() x16 times
+  for (var i = state.keys.length - 2; i >= 0; i -= 2) {
+    var keyL = state.keys[i];
+    var keyR = state.keys[i + 1];
+
+    // f(r, k)
+    utils.expand(l, state.tmp, 0);
+
+    keyL ^= state.tmp[0];
+    keyR ^= state.tmp[1];
+    var s = utils.substitute(keyL, keyR);
+    var f = utils.permute(s);
+
+    var t = l;
+    l = (r ^ f) >>> 0;
+    r = t;
+  }
+
+  // Reverse Initial Permutation
+  utils.rip(l, r, out, off);
+};
+
+},{"../des":101,"inherits":145,"minimalistic-assert":153}],105:[function(require,module,exports){
+'use strict';
+
+var assert = require('minimalistic-assert');
+var inherits = require('inherits');
+
+var des = require('../des');
+var Cipher = des.Cipher;
+var DES = des.DES;
+
+function EDEState(type, key) {
+  assert.equal(key.length, 24, 'Invalid key length');
+
+  var k1 = key.slice(0, 8);
+  var k2 = key.slice(8, 16);
+  var k3 = key.slice(16, 24);
+
+  if (type === 'encrypt') {
+    this.ciphers = [
+      DES.create({ type: 'encrypt', key: k1 }),
+      DES.create({ type: 'decrypt', key: k2 }),
+      DES.create({ type: 'encrypt', key: k3 })
+    ];
+  } else {
+    this.ciphers = [
+      DES.create({ type: 'decrypt', key: k3 }),
+      DES.create({ type: 'encrypt', key: k2 }),
+      DES.create({ type: 'decrypt', key: k1 })
+    ];
+  }
+}
+
+function EDE(options) {
+  Cipher.call(this, options);
+
+  var state = new EDEState(this.type, this.options.key);
+  this._edeState = state;
+}
+inherits(EDE, Cipher);
+
+module.exports = EDE;
+
+EDE.create = function create(options) {
+  return new EDE(options);
+};
+
+EDE.prototype._update = function _update(inp, inOff, out, outOff) {
+  var state = this._edeState;
+
+  state.ciphers[0]._update(inp, inOff, out, outOff);
+  state.ciphers[1]._update(out, outOff, out, outOff);
+  state.ciphers[2]._update(out, outOff, out, outOff);
+};
+
+EDE.prototype._pad = DES.prototype._pad;
+EDE.prototype._unpad = DES.prototype._unpad;
+
+},{"../des":101,"inherits":145,"minimalistic-assert":153}],106:[function(require,module,exports){
+'use strict';
+
+exports.readUInt32BE = function readUInt32BE(bytes, off) {
+  var res =  (bytes[0 + off] << 24) |
+             (bytes[1 + off] << 16) |
+             (bytes[2 + off] << 8) |
+             bytes[3 + off];
+  return res >>> 0;
+};
+
+exports.writeUInt32BE = function writeUInt32BE(bytes, value, off) {
+  bytes[0 + off] = value >>> 24;
+  bytes[1 + off] = (value >>> 16) & 0xff;
+  bytes[2 + off] = (value >>> 8) & 0xff;
+  bytes[3 + off] = value & 0xff;
+};
+
+exports.ip = function ip(inL, inR, out, off) {
+  var outL = 0;
+  var outR = 0;
+
+  for (var i = 6; i >= 0; i -= 2) {
+    for (var j = 0; j <= 24; j += 8) {
+      outL <<= 1;
+      outL |= (inR >>> (j + i)) & 1;
+    }
+    for (var j = 0; j <= 24; j += 8) {
+      outL <<= 1;
+      outL |= (inL >>> (j + i)) & 1;
+    }
+  }
+
+  for (var i = 6; i >= 0; i -= 2) {
+    for (var j = 1; j <= 25; j += 8) {
+      outR <<= 1;
+      outR |= (inR >>> (j + i)) & 1;
+    }
+    for (var j = 1; j <= 25; j += 8) {
+      outR <<= 1;
+      outR |= (inL >>> (j + i)) & 1;
+    }
+  }
+
+  out[off + 0] = outL >>> 0;
+  out[off + 1] = outR >>> 0;
+};
+
+exports.rip = function rip(inL, inR, out, off) {
+  var outL = 0;
+  var outR = 0;
+
+  for (var i = 0; i < 4; i++) {
+    for (var j = 24; j >= 0; j -= 8) {
+      outL <<= 1;
+      outL |= (inR >>> (j + i)) & 1;
+      outL <<= 1;
+      outL |= (inL >>> (j + i)) & 1;
+    }
+  }
+  for (var i = 4; i < 8; i++) {
+    for (var j = 24; j >= 0; j -= 8) {
+      outR <<= 1;
+      outR |= (inR >>> (j + i)) & 1;
+      outR <<= 1;
+      outR |= (inL >>> (j + i)) & 1;
+    }
+  }
+
+  out[off + 0] = outL >>> 0;
+  out[off + 1] = outR >>> 0;
+};
+
+exports.pc1 = function pc1(inL, inR, out, off) {
+  var outL = 0;
+  var outR = 0;
+
+  // 7, 15, 23, 31, 39, 47, 55, 63
+  // 6, 14, 22, 30, 39, 47, 55, 63
+  // 5, 13, 21, 29, 39, 47, 55, 63
+  // 4, 12, 20, 28
+  for (var i = 7; i >= 5; i--) {
+    for (var j = 0; j <= 24; j += 8) {
+      outL <<= 1;
+      outL |= (inR >> (j + i)) & 1;
+    }
+    for (var j = 0; j <= 24; j += 8) {
+      outL <<= 1;
+      outL |= (inL >> (j + i)) & 1;
+    }
+  }
+  for (var j = 0; j <= 24; j += 8) {
+    outL <<= 1;
+    outL |= (inR >> (j + i)) & 1;
+  }
+
+  // 1, 9, 17, 25, 33, 41, 49, 57
+  // 2, 10, 18, 26, 34, 42, 50, 58
+  // 3, 11, 19, 27, 35, 43, 51, 59
+  // 36, 44, 52, 60
+  for (var i = 1; i <= 3; i++) {
+    for (var j = 0; j <= 24; j += 8) {
+      outR <<= 1;
+      outR |= (inR >> (j + i)) & 1;
+    }
+    for (var j = 0; j <= 24; j += 8) {
+      outR <<= 1;
+      outR |= (inL >> (j + i)) & 1;
+    }
+  }
+  for (var j = 0; j <= 24; j += 8) {
+    outR <<= 1;
+    outR |= (inL >> (j + i)) & 1;
+  }
+
+  out[off + 0] = outL >>> 0;
+  out[off + 1] = outR >>> 0;
+};
+
+exports.r28shl = function r28shl(num, shift) {
+  return ((num << shift) & 0xfffffff) | (num >>> (28 - shift));
+};
+
+var pc2table = [
+  // inL => outL
+  14, 11, 17, 4, 27, 23, 25, 0,
+  13, 22, 7, 18, 5, 9, 16, 24,
+  2, 20, 12, 21, 1, 8, 15, 26,
+
+  // inR => outR
+  15, 4, 25, 19, 9, 1, 26, 16,
+  5, 11, 23, 8, 12, 7, 17, 0,
+  22, 3, 10, 14, 6, 20, 27, 24
+];
+
+exports.pc2 = function pc2(inL, inR, out, off) {
+  var outL = 0;
+  var outR = 0;
+
+  var len = pc2table.length >>> 1;
+  for (var i = 0; i < len; i++) {
+    outL <<= 1;
+    outL |= (inL >>> pc2table[i]) & 0x1;
+  }
+  for (var i = len; i < pc2table.length; i++) {
+    outR <<= 1;
+    outR |= (inR >>> pc2table[i]) & 0x1;
+  }
+
+  out[off + 0] = outL >>> 0;
+  out[off + 1] = outR >>> 0;
+};
+
+exports.expand = function expand(r, out, off) {
+  var outL = 0;
+  var outR = 0;
+
+  outL = ((r & 1) << 5) | (r >>> 27);
+  for (var i = 23; i >= 15; i -= 4) {
+    outL <<= 6;
+    outL |= (r >>> i) & 0x3f;
+  }
+  for (var i = 11; i >= 3; i -= 4) {
+    outR |= (r >>> i) & 0x3f;
+    outR <<= 6;
+  }
+  outR |= ((r & 0x1f) << 1) | (r >>> 31);
+
+  out[off + 0] = outL >>> 0;
+  out[off + 1] = outR >>> 0;
+};
+
+var sTable = [
+  14, 0, 4, 15, 13, 7, 1, 4, 2, 14, 15, 2, 11, 13, 8, 1,
+  3, 10, 10, 6, 6, 12, 12, 11, 5, 9, 9, 5, 0, 3, 7, 8,
+  4, 15, 1, 12, 14, 8, 8, 2, 13, 4, 6, 9, 2, 1, 11, 7,
+  15, 5, 12, 11, 9, 3, 7, 14, 3, 10, 10, 0, 5, 6, 0, 13,
+
+  15, 3, 1, 13, 8, 4, 14, 7, 6, 15, 11, 2, 3, 8, 4, 14,
+  9, 12, 7, 0, 2, 1, 13, 10, 12, 6, 0, 9, 5, 11, 10, 5,
+  0, 13, 14, 8, 7, 10, 11, 1, 10, 3, 4, 15, 13, 4, 1, 2,
+  5, 11, 8, 6, 12, 7, 6, 12, 9, 0, 3, 5, 2, 14, 15, 9,
+
+  10, 13, 0, 7, 9, 0, 14, 9, 6, 3, 3, 4, 15, 6, 5, 10,
+  1, 2, 13, 8, 12, 5, 7, 14, 11, 12, 4, 11, 2, 15, 8, 1,
+  13, 1, 6, 10, 4, 13, 9, 0, 8, 6, 15, 9, 3, 8, 0, 7,
+  11, 4, 1, 15, 2, 14, 12, 3, 5, 11, 10, 5, 14, 2, 7, 12,
+
+  7, 13, 13, 8, 14, 11, 3, 5, 0, 6, 6, 15, 9, 0, 10, 3,
+  1, 4, 2, 7, 8, 2, 5, 12, 11, 1, 12, 10, 4, 14, 15, 9,
+  10, 3, 6, 15, 9, 0, 0, 6, 12, 10, 11, 1, 7, 13, 13, 8,
+  15, 9, 1, 4, 3, 5, 14, 11, 5, 12, 2, 7, 8, 2, 4, 14,
+
+  2, 14, 12, 11, 4, 2, 1, 12, 7, 4, 10, 7, 11, 13, 6, 1,
+  8, 5, 5, 0, 3, 15, 15, 10, 13, 3, 0, 9, 14, 8, 9, 6,
+  4, 11, 2, 8, 1, 12, 11, 7, 10, 1, 13, 14, 7, 2, 8, 13,
+  15, 6, 9, 15, 12, 0, 5, 9, 6, 10, 3, 4, 0, 5, 14, 3,
+
+  12, 10, 1, 15, 10, 4, 15, 2, 9, 7, 2, 12, 6, 9, 8, 5,
+  0, 6, 13, 1, 3, 13, 4, 14, 14, 0, 7, 11, 5, 3, 11, 8,
+  9, 4, 14, 3, 15, 2, 5, 12, 2, 9, 8, 5, 12, 15, 3, 10,
+  7, 11, 0, 14, 4, 1, 10, 7, 1, 6, 13, 0, 11, 8, 6, 13,
+
+  4, 13, 11, 0, 2, 11, 14, 7, 15, 4, 0, 9, 8, 1, 13, 10,
+  3, 14, 12, 3, 9, 5, 7, 12, 5, 2, 10, 15, 6, 8, 1, 6,
+  1, 6, 4, 11, 11, 13, 13, 8, 12, 1, 3, 4, 7, 10, 14, 7,
+  10, 9, 15, 5, 6, 0, 8, 15, 0, 14, 5, 2, 9, 3, 2, 12,
+
+  13, 1, 2, 15, 8, 13, 4, 8, 6, 10, 15, 3, 11, 7, 1, 4,
+  10, 12, 9, 5, 3, 6, 14, 11, 5, 0, 0, 14, 12, 9, 7, 2,
+  7, 2, 11, 1, 4, 14, 1, 7, 9, 4, 12, 10, 14, 8, 2, 13,
+  0, 15, 6, 12, 10, 9, 13, 0, 15, 3, 3, 5, 5, 6, 8, 11
+];
+
+exports.substitute = function substitute(inL, inR) {
+  var out = 0;
+  for (var i = 0; i < 4; i++) {
+    var b = (inL >>> (18 - i * 6)) & 0x3f;
+    var sb = sTable[i * 0x40 + b];
+
+    out <<= 4;
+    out |= sb;
+  }
+  for (var i = 0; i < 4; i++) {
+    var b = (inR >>> (18 - i * 6)) & 0x3f;
+    var sb = sTable[4 * 0x40 + i * 0x40 + b];
+
+    out <<= 4;
+    out |= sb;
+  }
+  return out >>> 0;
+};
+
+var permuteTable = [
+  16, 25, 12, 11, 3, 20, 4, 15, 31, 17, 9, 6, 27, 14, 1, 22,
+  30, 24, 8, 18, 0, 5, 29, 23, 13, 19, 2, 26, 10, 21, 28, 7
+];
+
+exports.permute = function permute(num) {
+  var out = 0;
+  for (var i = 0; i < permuteTable.length; i++) {
+    out <<= 1;
+    out |= (num >>> permuteTable[i]) & 0x1;
+  }
+  return out >>> 0;
+};
+
+exports.padSplit = function padSplit(num, size, group) {
+  var str = num.toString(2);
+  while (str.length < size)
+    str = '0' + str;
+
+  var out = [];
+  for (var i = 0; i < size; i += group)
+    out.push(str.slice(i, i + group));
+  return out.join(' ');
+};
+
+},{}],107:[function(require,module,exports){
+(function (Buffer){
+var generatePrime = require('./lib/generatePrime')
+var primes = require('./lib/primes.json')
+
+var DH = require('./lib/dh')
+
+function getDiffieHellman (mod) {
+  var prime = new Buffer(primes[mod].prime, 'hex')
+  var gen = new Buffer(primes[mod].gen, 'hex')
+
+  return new DH(prime, gen)
+}
+
+var ENCODINGS = {
+  'binary': true, 'hex': true, 'base64': true
+}
+
+function createDiffieHellman (prime, enc, generator, genc) {
+  if (Buffer.isBuffer(enc) || ENCODINGS[enc] === undefined) {
+    return createDiffieHellman(prime, 'binary', enc, generator)
+  }
+
+  enc = enc || 'binary'
+  genc = genc || 'binary'
+  generator = generator || new Buffer([2])
+
+  if (!Buffer.isBuffer(generator)) {
+    generator = new Buffer(generator, genc)
+  }
+
+  if (typeof prime === 'number') {
+    return new DH(generatePrime(prime, generator), generator, true)
+  }
+
+  if (!Buffer.isBuffer(prime)) {
+    prime = new Buffer(prime, enc)
+  }
+
+  return new DH(prime, generator, true)
+}
+
+exports.DiffieHellmanGroup = exports.createDiffieHellmanGroup = exports.getDiffieHellman = getDiffieHellman
+exports.createDiffieHellman = exports.DiffieHellman = createDiffieHellman
+
+}).call(this,require("buffer").Buffer)
+},{"./lib/dh":108,"./lib/generatePrime":109,"./lib/primes.json":110,"buffer":70}],108:[function(require,module,exports){
+(function (Buffer){
+var BN = require('bn.js');
+var MillerRabin = require('miller-rabin');
+var millerRabin = new MillerRabin();
+var TWENTYFOUR = new BN(24);
+var ELEVEN = new BN(11);
+var TEN = new BN(10);
+var THREE = new BN(3);
+var SEVEN = new BN(7);
+var primes = require('./generatePrime');
+var randomBytes = require('randombytes');
+module.exports = DH;
+
+function setPublicKey(pub, enc) {
+  enc = enc || 'utf8';
+  if (!Buffer.isBuffer(pub)) {
+    pub = new Buffer(pub, enc);
+  }
+  this._pub = new BN(pub);
+  return this;
+}
+
+function setPrivateKey(priv, enc) {
+  enc = enc || 'utf8';
+  if (!Buffer.isBuffer(priv)) {
+    priv = new Buffer(priv, enc);
+  }
+  this._priv = new BN(priv);
+  return this;
+}
+
+var primeCache = {};
+function checkPrime(prime, generator) {
+  var gen = generator.toString('hex');
+  var hex = [gen, prime.toString(16)].join('_');
+  if (hex in primeCache) {
+    return primeCache[hex];
+  }
+  var error = 0;
+
+  if (prime.isEven() ||
+    !primes.simpleSieve ||
+    !primes.fermatTest(prime) ||
+    !millerRabin.test(prime)) {
+    //not a prime so +1
+    error += 1;
+
+    if (gen === '02' || gen === '05') {
+      // we'd be able to check the generator
+      // it would fail so +8
+      error += 8;
+    } else {
+      //we wouldn't be able to test the generator
+      // so +4
+      error += 4;
+    }
+    primeCache[hex] = error;
+    return error;
+  }
+  if (!millerRabin.test(prime.shrn(1))) {
+    //not a safe prime
+    error += 2;
+  }
+  var rem;
+  switch (gen) {
+    case '02':
+      if (prime.mod(TWENTYFOUR).cmp(ELEVEN)) {
+        // unsuidable generator
+        error += 8;
+      }
+      break;
+    case '05':
+      rem = prime.mod(TEN);
+      if (rem.cmp(THREE) && rem.cmp(SEVEN)) {
+        // prime mod 10 needs to equal 3 or 7
+        error += 8;
+      }
+      break;
+    default:
+      error += 4;
+  }
+  primeCache[hex] = error;
+  return error;
+}
+
+function DH(prime, generator, malleable) {
+  this.setGenerator(generator);
+  this.__prime = new BN(prime);
+  this._prime = BN.mont(this.__prime);
+  this._primeLen = prime.length;
+  this._pub = undefined;
+  this._priv = undefined;
+  this._primeCode = undefined;
+  if (malleable) {
+    this.setPublicKey = setPublicKey;
+    this.setPrivateKey = setPrivateKey;
+  } else {
+    this._primeCode = 8;
+  }
+}
+Object.defineProperty(DH.prototype, 'verifyError', {
+  enumerable: true,
+  get: function () {
+    if (typeof this._primeCode !== 'number') {
+      this._primeCode = checkPrime(this.__prime, this.__gen);
+    }
+    return this._primeCode;
+  }
+});
+DH.prototype.generateKeys = function () {
+  if (!this._priv) {
+    this._priv = new BN(randomBytes(this._primeLen));
+  }
+  this._pub = this._gen.toRed(this._prime).redPow(this._priv).fromRed();
+  return this.getPublicKey();
+};
+
+DH.prototype.computeSecret = function (other) {
+  other = new BN(other);
+  other = other.toRed(this._prime);
+  var secret = other.redPow(this._priv).fromRed();
+  var out = new Buffer(secret.toArray());
+  var prime = this.getPrime();
+  if (out.length < prime.length) {
+    var front = new Buffer(prime.length - out.length);
+    front.fill(0);
+    out = Buffer.concat([front, out]);
+  }
+  return out;
+};
+
+DH.prototype.getPublicKey = function getPublicKey(enc) {
+  return formatReturnValue(this._pub, enc);
+};
+
+DH.prototype.getPrivateKey = function getPrivateKey(enc) {
+  return formatReturnValue(this._priv, enc);
+};
+
+DH.prototype.getPrime = function (enc) {
+  return formatReturnValue(this.__prime, enc);
+};
+
+DH.prototype.getGenerator = function (enc) {
+  return formatReturnValue(this._gen, enc);
+};
+
+DH.prototype.setGenerator = function (gen, enc) {
+  enc = enc || 'utf8';
+  if (!Buffer.isBuffer(gen)) {
+    gen = new Buffer(gen, enc);
+  }
+  this.__gen = gen;
+  this._gen = new BN(gen);
+  return this;
+};
+
+function formatReturnValue(bn, enc) {
+  var buf = new Buffer(bn.toArray());
+  if (!enc) {
+    return buf;
+  } else {
+    return buf.toString(enc);
+  }
+}
+
+}).call(this,require("buffer").Buffer)
+},{"./generatePrime":109,"bn.js":111,"buffer":70,"miller-rabin":151,"randombytes":178}],109:[function(require,module,exports){
+var randomBytes = require('randombytes');
+module.exports = findPrime;
+findPrime.simpleSieve = simpleSieve;
+findPrime.fermatTest = fermatTest;
+var BN = require('bn.js');
+var TWENTYFOUR = new BN(24);
+var MillerRabin = require('miller-rabin');
+var millerRabin = new MillerRabin();
+var ONE = new BN(1);
+var TWO = new BN(2);
+var FIVE = new BN(5);
+var SIXTEEN = new BN(16);
+var EIGHT = new BN(8);
+var TEN = new BN(10);
+var THREE = new BN(3);
+var SEVEN = new BN(7);
+var ELEVEN = new BN(11);
+var FOUR = new BN(4);
+var TWELVE = new BN(12);
+var primes = null;
+
+function _getPrimes() {
+  if (primes !== null)
+    return primes;
+
+  var limit = 0x100000;
+  var res = [];
+  res[0] = 2;
+  for (var i = 1, k = 3; k < limit; k += 2) {
+    var sqrt = Math.ceil(Math.sqrt(k));
+    for (var j = 0; j < i && res[j] <= sqrt; j++)
+      if (k % res[j] === 0)
+        break;
+
+    if (i !== j && res[j] <= sqrt)
+      continue;
+
+    res[i++] = k;
+  }
+  primes = res;
+  return res;
+}
+
+function simpleSieve(p) {
+  var primes = _getPrimes();
+
+  for (var i = 0; i < primes.length; i++)
+    if (p.modn(primes[i]) === 0) {
+      if (p.cmpn(primes[i]) === 0) {
+        return true;
+      } else {
+        return false;
+      }
+    }
+
+  return true;
+}
+
+function fermatTest(p) {
+  var red = BN.mont(p);
+  return TWO.toRed(red).redPow(p.subn(1)).fromRed().cmpn(1) === 0;
+}
+
+function findPrime(bits, gen) {
+  if (bits < 16) {
+    // this is what openssl does
+    if (gen === 2 || gen === 5) {
+      return new BN([0x8c, 0x7b]);
+    } else {
+      return new BN([0x8c, 0x27]);
+    }
+  }
+  gen = new BN(gen);
+
+  var num, n2;
+
+  while (true) {
+    num = new BN(randomBytes(Math.ceil(bits / 8)));
+    while (num.bitLength() > bits) {
+      num.ishrn(1);
+    }
+    if (num.isEven()) {
+      num.iadd(ONE);
+    }
+    if (!num.testn(1)) {
+      num.iadd(TWO);
+    }
+    if (!gen.cmp(TWO)) {
+      while (num.mod(TWENTYFOUR).cmp(ELEVEN)) {
+        num.iadd(FOUR);
+      }
+    } else if (!gen.cmp(FIVE)) {
+      while (num.mod(TEN).cmp(THREE)) {
+        num.iadd(FOUR);
+      }
+    }
+    n2 = num.shrn(1);
+    if (simpleSieve(n2) && simpleSieve(num) &&
+      fermatTest(n2) && fermatTest(num) &&
+      millerRabin.test(n2) && millerRabin.test(num)) {
+      return num;
+    }
+  }
+
+}
+
+},{"bn.js":111,"miller-rabin":151,"randombytes":178}],110:[function(require,module,exports){
+module.exports={
+    "modp1": {
+        "gen": "02",
+        "prime": "ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a63a3620ffffffffffffffff"
+    },
+    "modp2": {
+        "gen": "02",
+        "prime": "ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a637ed6b0bff5cb6f406b7edee386bfb5a899fa5ae9f24117c4b1fe649286651ece65381ffffffffffffffff"
+    },
+    "modp5": {
+        "gen": "02",
+        "prime": "ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a637ed6b0bff5cb6f406b7edee386bfb5a899fa5ae9f24117c4b1fe649286651ece45b3dc2007cb8a163bf0598da48361c55d39a69163fa8fd24cf5f83655d23dca3ad961c62f356208552bb9ed529077096966d670c354e4abc9804f1746c08ca237327ffffffffffffffff"
+    },
+    "modp14": {
+        "gen": "02",
+        "prime": "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"
+    },
+    "modp15": {
+        "gen": "02",
+        "prime": "ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a637ed6b0bff5cb6f406b7edee386bfb5a899fa5ae9f24117c4b1fe649286651ece45b3dc2007cb8a163bf0598da48361c55d39a69163fa8fd24cf5f83655d23dca3ad961c62f356208552bb9ed529077096966d670c354e4abc9804f1746c08ca18217c32905e462e36ce3be39e772c180e86039b2783a2ec07a28fb5c55df06f4c52c9de2bcbf6955817183995497cea956ae515d2261898fa051015728e5a8aaac42dad33170d04507a33a85521abdf1cba64ecfb850458dbef0a8aea71575d060c7db3970f85a6e1e4c7abf5ae8cdb0933d71e8c94e04a25619dcee3d2261ad2ee6bf12ffa06d98a0864d87602733ec86a64521f2b18177b200cbbe117577a615d6c770988c0bad946e208e24fa074e5ab3143db5bfce0fd108e4b82d120a93ad2caffffffffffffffff"
+    },
+    "modp16": {
+        "gen": "02",
+        "prime": "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"
+    },
+    "modp17": {
+        "gen": "02",
+        "prime": "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"
+    },
+    "modp18": {
+        "gen": "02",
+        "prime": "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"
+    }
+}
+},{}],111:[function(require,module,exports){
+arguments[4][15][0].apply(exports,arguments)
+},{"buffer":21,"dup":15}],112:[function(require,module,exports){
+'use strict';
+
+var elliptic = exports;
+
+elliptic.version = require('../package.json').version;
+elliptic.utils = require('./elliptic/utils');
+elliptic.rand = require('brorand');
+elliptic.hmacDRBG = require('./elliptic/hmac-drbg');
+elliptic.curve = require('./elliptic/curve');
+elliptic.curves = require('./elliptic/curves');
+
+// Protocols
+elliptic.ec = require('./elliptic/ec');
+
+},{"../package.json":125,"./elliptic/curve":115,"./elliptic/curves":118,"./elliptic/ec":119,"./elliptic/hmac-drbg":122,"./elliptic/utils":124,"brorand":20}],113:[function(require,module,exports){
+'use strict';
+
+var bn = require('bn.js');
+var elliptic = require('../../elliptic');
+
+var getNAF = elliptic.utils.getNAF;
+var getJSF = elliptic.utils.getJSF;
+var assert = elliptic.utils.assert;
+
+function BaseCurve(type, conf) {
+  this.type = type;
+  this.p = new bn(conf.p, 16);
+
+  // Use Montgomery, when there is no fast reduction for the prime
+  this.red = conf.prime ? bn.red(conf.prime) : bn.mont(this.p);
+
+  // Useful for many curves
+  this.zero = new bn(0).toRed(this.red);
+  this.one = new bn(1).toRed(this.red);
+  this.two = new bn(2).toRed(this.red);
+
+  // Curve configuration, optional
+  this.n = conf.n && new bn(conf.n, 16);
+  this.g = conf.g && this.pointFromJSON(conf.g, conf.gRed);
+
+  // Temporary arrays
+  this._wnafT1 = new Array(4);
+  this._wnafT2 = new Array(4);
+  this._wnafT3 = new Array(4);
+  this._wnafT4 = new Array(4);
+}
+module.exports = BaseCurve;
+
+BaseCurve.prototype.point = function point() {
+  throw new Error('Not implemented');
+};
+
+BaseCurve.prototype.validate = function validate() {
+  throw new Error('Not implemented');
+};
+
+BaseCurve.prototype._fixedNafMul = function _fixedNafMul(p, k) {
+  var doubles = p._getDoubles();
+
+  var naf = getNAF(k, 1);
+  var I = (1 << (doubles.step + 1)) - (doubles.step % 2 === 0 ? 2 : 1);
+  I /= 3;
+
+  // Translate into more windowed form
+  var repr = [];
+  for (var j = 0; j < naf.length; j += doubles.step) {
+    var nafW = 0;
+    for (var k = j + doubles.step - 1; k >= j; k--)
+      nafW = (nafW << 1) + naf[k];
+    repr.push(nafW);
+  }
+
+  var a = this.jpoint(null, null, null);
+  var b = this.jpoint(null, null, null);
+  for (var i = I; i > 0; i--) {
+    for (var j = 0; j < repr.length; j++) {
+      var nafW = repr[j];
+      if (nafW === i)
+        b = b.mixedAdd(doubles.points[j]);
+      else if (nafW === -i)
+        b = b.mixedAdd(doubles.points[j].neg());
+    }
+    a = a.add(b);
+  }
+  return a.toP();
+};
+
+BaseCurve.prototype._wnafMul = function _wnafMul(p, k) {
+  var w = 4;
+
+  // Precompute window
+  var nafPoints = p._getNAFPoints(w);
+  w = nafPoints.wnd;
+  var wnd = nafPoints.points;
+
+  // Get NAF form
+  var naf = getNAF(k, w);
+
+  // Add `this`*(N+1) for every w-NAF index
+  var acc = this.jpoint(null, null, null);
+  for (var i = naf.length - 1; i >= 0; i--) {
+    // Count zeroes
+    for (var k = 0; i >= 0 && naf[i] === 0; i--)
+      k++;
+    if (i >= 0)
+      k++;
+    acc = acc.dblp(k);
+
+    if (i < 0)
+      break;
+    var z = naf[i];
+    assert(z !== 0);
+    if (p.type === 'affine') {
+      // J +- P
+      if (z > 0)
+        acc = acc.mixedAdd(wnd[(z - 1) >> 1]);
+      else
+        acc = acc.mixedAdd(wnd[(-z - 1) >> 1].neg());
+    } else {
+      // J +- J
+      if (z > 0)
+        acc = acc.add(wnd[(z - 1) >> 1]);
+      else
+        acc = acc.add(wnd[(-z - 1) >> 1].neg());
+    }
+  }
+  return p.type === 'affine' ? acc.toP() : acc;
+};
+
+BaseCurve.prototype._wnafMulAdd = function _wnafMulAdd(defW,
+                                                       points,
+                                                       coeffs,
+                                                       len) {
+  var wndWidth = this._wnafT1;
+  var wnd = this._wnafT2;
+  var naf = this._wnafT3;
+
+  // Fill all arrays
+  var max = 0;
+  for (var i = 0; i < len; i++) {
+    var p = points[i];
+    var nafPoints = p._getNAFPoints(defW);
+    wndWidth[i] = nafPoints.wnd;
+    wnd[i] = nafPoints.points;
+  }
+
+  // Comb small window NAFs
+  for (var i = len - 1; i >= 1; i -= 2) {
+    var a = i - 1;
+    var b = i;
+    if (wndWidth[a] !== 1 || wndWidth[b] !== 1) {
+      naf[a] = getNAF(coeffs[a], wndWidth[a]);
+      naf[b] = getNAF(coeffs[b], wndWidth[b]);
+      max = Math.max(naf[a].length, max);
+      max = Math.max(naf[b].length, max);
+      continue;
+    }
+
+    var comb = [
+      points[a], /* 1 */
+      null, /* 3 */
+      null, /* 5 */
+      points[b] /* 7 */
+    ];
+
+    // Try to avoid Projective points, if possible
+    if (points[a].y.cmp(points[b].y) === 0) {
+      comb[1] = points[a].add(points[b]);
+      comb[2] = points[a].toJ().mixedAdd(points[b].neg());
+    } else if (points[a].y.cmp(points[b].y.redNeg()) === 0) {
+      comb[1] = points[a].toJ().mixedAdd(points[b]);
+      comb[2] = points[a].add(points[b].neg());
+    } else {
+      comb[1] = points[a].toJ().mixedAdd(points[b]);
+      comb[2] = points[a].toJ().mixedAdd(points[b].neg());
+    }
+
+    var index = [
+      -3, /* -1 -1 */
+      -1, /* -1 0 */
+      -5, /* -1 1 */
+      -7, /* 0 -1 */
+      0, /* 0 0 */
+      7, /* 0 1 */
+      5, /* 1 -1 */
+      1, /* 1 0 */
+      3  /* 1 1 */
+    ];
+
+    var jsf = getJSF(coeffs[a], coeffs[b]);
+    max = Math.max(jsf[0].length, max);
+    naf[a] = new Array(max);
+    naf[b] = new Array(max);
+    for (var j = 0; j < max; j++) {
+      var ja = jsf[0][j] | 0;
+      var jb = jsf[1][j] | 0;
+
+      naf[a][j] = index[(ja + 1) * 3 + (jb + 1)];
+      naf[b][j] = 0;
+      wnd[a] = comb;
+    }
+  }
+
+  var acc = this.jpoint(null, null, null);
+  var tmp = this._wnafT4;
+  for (var i = max; i >= 0; i--) {
+    var k = 0;
+
+    while (i >= 0) {
+      var zero = true;
+      for (var j = 0; j < len; j++) {
+        tmp[j] = naf[j][i] | 0;
+        if (tmp[j] !== 0)
+          zero = false;
+      }
+      if (!zero)
+        break;
+      k++;
+      i--;
+    }
+    if (i >= 0)
+      k++;
+    acc = acc.dblp(k);
+    if (i < 0)
+      break;
+
+    for (var j = 0; j < len; j++) {
+      var z = tmp[j];
+      var p;
+      if (z === 0)
+        continue;
+      else if (z > 0)
+        p = wnd[j][(z - 1) >> 1];
+      else if (z < 0)
+        p = wnd[j][(-z - 1) >> 1].neg();
+
+      if (p.type === 'affine')
+        acc = acc.mixedAdd(p);
+      else
+        acc = acc.add(p);
+    }
+  }
+  // Zeroify references
+  for (var i = 0; i < len; i++)
+    wnd[i] = null;
+  return acc.toP();
+};
+
+function BasePoint(curve, type) {
+  this.curve = curve;
+  this.type = type;
+  this.precomputed = null;
+}
+BaseCurve.BasePoint = BasePoint;
+
+BasePoint.prototype.validate = function validate() {
+  return this.curve.validate(this);
+};
+
+BasePoint.prototype.precompute = function precompute(power) {
+  if (this.precomputed)
+    return this;
+
+  var precomputed = {
+    doubles: null,
+    naf: null,
+    beta: null
+  };
+  precomputed.naf = this._getNAFPoints(8);
+  precomputed.doubles = this._getDoubles(4, power);
+  precomputed.beta = this._getBeta();
+  this.precomputed = precomputed;
+
+  return this;
+};
+
+BasePoint.prototype._getDoubles = function _getDoubles(step, power) {
+  if (this.precomputed && this.precomputed.doubles)
+    return this.precomputed.doubles;
+
+  var doubles = [ this ];
+  var acc = this;
+  for (var i = 0; i < power; i += step) {
+    for (var j = 0; j < step; j++)
+      acc = acc.dbl();
+    doubles.push(acc);
+  }
+  return {
+    step: step,
+    points: doubles
+  };
+};
+
+BasePoint.prototype._getNAFPoints = function _getNAFPoints(wnd) {
+  if (this.precomputed && this.precomputed.naf)
+    return this.precomputed.naf;
+
+  var res = [ this ];
+  var max = (1 << wnd) - 1;
+  var dbl = max === 1 ? null : this.dbl();
+  for (var i = 1; i < max; i++)
+    res[i] = res[i - 1].add(dbl);
+  return {
+    wnd: wnd,
+    points: res
+  };
+};
+
+BasePoint.prototype._getBeta = function _getBeta() {
+  return null;
+};
+
+BasePoint.prototype.dblp = function dblp(k) {
+  var r = this;
+  for (var i = 0; i < k; i++)
+    r = r.dbl();
+  return r;
+};
+
+},{"../../elliptic":112,"bn.js":19}],114:[function(require,module,exports){
+'use strict';
+
+var curve = require('../curve');
+var elliptic = require('../../elliptic');
+var bn = require('bn.js');
+var inherits = require('inherits');
+var Base = curve.base;
+
+var assert = elliptic.utils.assert;
+
+function EdwardsCurve(conf) {
+  // NOTE: Important as we are creating point in Base.call()
+  this.twisted = (conf.a | 0) !== 1;
+  this.mOneA = this.twisted && (conf.a | 0) === -1;
+  this.extended = this.mOneA;
+
+  Base.call(this, 'edwards', conf);
+
+  this.a = new bn(conf.a, 16).mod(this.red.m).toRed(this.red);
+  this.c = new bn(conf.c, 16).toRed(this.red);
+  this.c2 = this.c.redSqr();
+  this.d = new bn(conf.d, 16).toRed(this.red);
+  this.dd = this.d.redAdd(this.d);
+
+  assert(!this.twisted || this.c.fromRed().cmpn(1) === 0);
+  this.oneC = (conf.c | 0) === 1;
+}
+inherits(EdwardsCurve, Base);
+module.exports = EdwardsCurve;
+
+EdwardsCurve.prototype._mulA = function _mulA(num) {
+  if (this.mOneA)
+    return num.redNeg();
+  else
+    return this.a.redMul(num);
+};
+
+EdwardsCurve.prototype._mulC = function _mulC(num) {
+  if (this.oneC)
+    return num;
+  else
+    return this.c.redMul(num);
+};
+
+// Just for compatibility with Short curve
+EdwardsCurve.prototype.jpoint = function jpoint(x, y, z, t) {
+  return this.point(x, y, z, t);
+};
+
+EdwardsCurve.prototype.pointFromX = function pointFromX(odd, x) {
+  x = new bn(x, 16);
+  if (!x.red)
+    x = x.toRed(this.red);
+
+  var x2 = x.redSqr();
+  var rhs = this.c2.redSub(this.a.redMul(x2));
+  var lhs = this.one.redSub(this.c2.redMul(this.d).redMul(x2));
+
+  var y = rhs.redMul(lhs.redInvm()).redSqrt();
+  var isOdd = y.fromRed().isOdd();
+  if (odd && !isOdd || !odd && isOdd)
+    y = y.redNeg();
+
+  return this.point(x, y, curve.one);
+};
+
+EdwardsCurve.prototype.validate = function validate(point) {
+  if (point.isInfinity())
+    return true;
+
+  // Curve: A * X^2 + Y^2 = C^2 * (1 + D * X^2 * Y^2)
+  point.normalize();
+
+  var x2 = point.x.redSqr();
+  var y2 = point.y.redSqr();
+  var lhs = x2.redMul(this.a).redAdd(y2);
+  var rhs = this.c2.redMul(this.one.redAdd(this.d.redMul(x2).redMul(y2)));
+
+  return lhs.cmp(rhs) === 0;
+};
+
+function Point(curve, x, y, z, t) {
+  Base.BasePoint.call(this, curve, 'projective');
+  if (x === null && y === null && z === null) {
+    this.x = this.curve.zero;
+    this.y = this.curve.one;
+    this.z = this.curve.one;
+    this.t = this.curve.zero;
+    this.zOne = true;
+  } else {
+    this.x = new bn(x, 16);
+    this.y = new bn(y, 16);
+    this.z = z ? new bn(z, 16) : this.curve.one;
+    this.t = t && new bn(t, 16);
+    if (!this.x.red)
+      this.x = this.x.toRed(this.curve.red);
+    if (!this.y.red)
+      this.y = this.y.toRed(this.curve.red);
+    if (!this.z.red)
+      this.z = this.z.toRed(this.curve.red);
+    if (this.t && !this.t.red)
+      this.t = this.t.toRed(this.curve.red);
+    this.zOne = this.z === this.curve.one;
+
+    // Use extended coordinates
+    if (this.curve.extended && !this.t) {
+      this.t = this.x.redMul(this.y);
+      if (!this.zOne)
+        this.t = this.t.redMul(this.z.redInvm());
+    }
+  }
+}
+inherits(Point, Base.BasePoint);
+
+EdwardsCurve.prototype.pointFromJSON = function pointFromJSON(obj) {
+  return Point.fromJSON(this, obj);
+};
+
+EdwardsCurve.prototype.point = function point(x, y, z, t) {
+  return new Point(this, x, y, z, t);
+};
+
+Point.fromJSON = function fromJSON(curve, obj) {
+  return new Point(curve, obj[0], obj[1], obj[2]);
+};
+
+Point.prototype.inspect = function inspect() {
+  if (this.isInfinity())
+    return '<EC Point Infinity>';
+  return '<EC Point x: ' + this.x.fromRed().toString(16, 2) +
+      ' y: ' + this.y.fromRed().toString(16, 2) +
+      ' z: ' + this.z.fromRed().toString(16, 2) + '>';
+};
+
+Point.prototype.isInfinity = function isInfinity() {
+  // XXX This code assumes that zero is always zero in red
+  return this.x.cmpn(0) === 0 &&
+         this.y.cmp(this.z) === 0;
+};
+
+Point.prototype._extDbl = function _extDbl() {
+  // hyperelliptic.org/EFD/g1p/auto-twisted-extended-1.html
+  //     #doubling-dbl-2008-hwcd
+  // 4M + 4S
+
+  // A = X1^2
+  var a = this.x.redSqr();
+  // B = Y1^2
+  var b = this.y.redSqr();
+  // C = 2 * Z1^2
+  var c = this.z.redSqr();
+  c = c.redIAdd(c);
+  // D = a * A
+  var d = this.curve._mulA(a);
+  // E = (X1 + Y1)^2 - A - B
+  var e = this.x.redAdd(this.y).redSqr().redISub(a).redISub(b);
+  // G = D + B
+  var g = d.redAdd(b);
+  // F = G - C
+  var f = g.redSub(c);
+  // H = D - B
+  var h = d.redSub(b);
+  // X3 = E * F
+  var nx = e.redMul(f);
+  // Y3 = G * H
+  var ny = g.redMul(h);
+  // T3 = E * H
+  var nt = e.redMul(h);
+  // Z3 = F * G
+  var nz = f.redMul(g);
+  return this.curve.point(nx, ny, nz, nt);
+};
+
+Point.prototype._projDbl = function _projDbl() {
+  // hyperelliptic.org/EFD/g1p/auto-twisted-projective.html
+  //     #doubling-dbl-2008-bbjlp
+  //     #doubling-dbl-2007-bl
+  // and others
+  // Generally 3M + 4S or 2M + 4S
+
+  // B = (X1 + Y1)^2
+  var b = this.x.redAdd(this.y).redSqr();
+  // C = X1^2
+  var c = this.x.redSqr();
+  // D = Y1^2
+  var d = this.y.redSqr();
+
+  var nx;
+  var ny;
+  var nz;
+  if (this.curve.twisted) {
+    // E = a * C
+    var e = this.curve._mulA(c);
+    // F = E + D
+    var f = e.redAdd(d);
+    if (this.zOne) {
+      // X3 = (B - C - D) * (F - 2)
+      nx = b.redSub(c).redSub(d).redMul(f.redSub(this.curve.two));
+      // Y3 = F * (E - D)
+      ny = f.redMul(e.redSub(d));
+      // Z3 = F^2 - 2 * F
+      nz = f.redSqr().redSub(f).redSub(f);
+    } else {
+      // H = Z1^2
+      var h = this.z.redSqr();
+      // J = F - 2 * H
+      var j = f.redSub(h).redISub(h);
+      // X3 = (B-C-D)*J
+      nx = b.redSub(c).redISub(d).redMul(j);
+      // Y3 = F * (E - D)
+      ny = f.redMul(e.redSub(d));
+      // Z3 = F * J
+      nz = f.redMul(j);
+    }
+  } else {
+    // E = C + D
+    var e = c.redAdd(d);
+    // H = (c * Z1)^2
+    var h = this.curve._mulC(this.c.redMul(this.z)).redSqr();
+    // J = E - 2 * H
+    var j = e.redSub(h).redSub(h);
+    // X3 = c * (B - E) * J
+    nx = this.curve._mulC(b.redISub(e)).redMul(j);
+    // Y3 = c * E * (C - D)
+    ny = this.curve._mulC(e).redMul(c.redISub(d));
+    // Z3 = E * J
+    nz = e.redMul(j);
+  }
+  return this.curve.point(nx, ny, nz);
+};
+
+Point.prototype.dbl = function dbl() {
+  if (this.isInfinity())
+    return this;
+
+  // Double in extended coordinates
+  if (this.curve.extended)
+    return this._extDbl();
+  else
+    return this._projDbl();
+};
+
+Point.prototype._extAdd = function _extAdd(p) {
+  // hyperelliptic.org/EFD/g1p/auto-twisted-extended-1.html
+  //     #addition-add-2008-hwcd-3
+  // 8M
+
+  // A = (Y1 - X1) * (Y2 - X2)
+  var a = this.y.redSub(this.x).redMul(p.y.redSub(p.x));
+  // B = (Y1 + X1) * (Y2 + X2)
+  var b = this.y.redAdd(this.x).redMul(p.y.redAdd(p.x));
+  // C = T1 * k * T2
+  var c = this.t.redMul(this.curve.dd).redMul(p.t);
+  // D = Z1 * 2 * Z2
+  var d = this.z.redMul(p.z.redAdd(p.z));
+  // E = B - A
+  var e = b.redSub(a);
+  // F = D - C
+  var f = d.redSub(c);
+  // G = D + C
+  var g = d.redAdd(c);
+  // H = B + A
+  var h = b.redAdd(a);
+  // X3 = E * F
+  var nx = e.redMul(f);
+  // Y3 = G * H
+  var ny = g.redMul(h);
+  // T3 = E * H
+  var nt = e.redMul(h);
+  // Z3 = F * G
+  var nz = f.redMul(g);
+  return this.curve.point(nx, ny, nz, nt);
+};
+
+Point.prototype._projAdd = function _projAdd(p) {
+  // hyperelliptic.org/EFD/g1p/auto-twisted-projective.html
+  //     #addition-add-2008-bbjlp
+  //     #addition-add-2007-bl
+  // 10M + 1S
+
+  // A = Z1 * Z2
+  var a = this.z.redMul(p.z);
+  // B = A^2
+  var b = a.redSqr();
+  // C = X1 * X2
+  var c = this.x.redMul(p.x);
+  // D = Y1 * Y2
+  var d = this.y.redMul(p.y);
+  // E = d * C * D
+  var e = this.curve.d.redMul(c).redMul(d);
+  // F = B - E
+  var f = b.redSub(e);
+  // G = B + E
+  var g = b.redAdd(e);
+  // X3 = A * F * ((X1 + Y1) * (X2 + Y2) - C - D)
+  var tmp = this.x.redAdd(this.y).redMul(p.x.redAdd(p.y)).redISub(c).redISub(d);
+  var nx = a.redMul(f).redMul(tmp);
+  var ny;
+  var nz;
+  if (this.curve.twisted) {
+    // Y3 = A * G * (D - a * C)
+    ny = a.redMul(g).redMul(d.redSub(this.curve._mulA(c)));
+    // Z3 = F * G
+    nz = f.redMul(g);
+  } else {
+    // Y3 = A * G * (D - C)
+    ny = a.redMul(g).redMul(d.redSub(c));
+    // Z3 = c * F * G
+    nz = this.curve._mulC(f).redMul(g);
+  }
+  return this.curve.point(nx, ny, nz);
+};
+
+Point.prototype.add = function add(p) {
+  if (this.isInfinity())
+    return p;
+  if (p.isInfinity())
+    return this;
+
+  if (this.curve.extended)
+    return this._extAdd(p);
+  else
+    return this._projAdd(p);
+};
+
+Point.prototype.mul = function mul(k) {
+  if (this.precomputed && this.precomputed.doubles)
+    return this.curve._fixedNafMul(this, k);
+  else
+    return this.curve._wnafMul(this, k);
+};
+
+Point.prototype.mulAdd = function mulAdd(k1, p, k2) {
+  return this.curve._wnafMulAdd(1, [ this, p ], [ k1, k2 ], 2);
+};
+
+Point.prototype.normalize = function normalize() {
+  if (this.zOne)
+    return this;
+
+  // Normalize coordinates
+  var zi = this.z.redInvm();
+  this.x = this.x.redMul(zi);
+  this.y = this.y.redMul(zi);
+  if (this.t)
+    this.t = this.t.redMul(zi);
+  this.z = this.curve.one;
+  this.zOne = true;
+  return this;
+};
+
+Point.prototype.neg = function neg() {
+  return this.curve.point(this.x.redNeg(),
+                          this.y,
+                          this.z,
+                          this.t && this.t.redNeg());
+};
+
+Point.prototype.getX = function getX() {
+  this.normalize();
+  return this.x.fromRed();
+};
+
+Point.prototype.getY = function getY() {
+  this.normalize();
+  return this.y.fromRed();
+};
+
+// Compatibility with BaseCurve
+Point.prototype.toP = Point.prototype.normalize;
+Point.prototype.mixedAdd = Point.prototype.add;
+
+},{"../../elliptic":112,"../curve":115,"bn.js":19,"inherits":145}],115:[function(require,module,exports){
+arguments[4][54][0].apply(exports,arguments)
+},{"./base":113,"./edwards":114,"./mont":116,"./short":117,"dup":54}],116:[function(require,module,exports){
+'use strict';
+
+var curve = require('../curve');
+var bn = require('bn.js');
+var inherits = require('inherits');
+var Base = curve.base;
+
+function MontCurve(conf) {
+  Base.call(this, 'mont', conf);
+
+  this.a = new bn(conf.a, 16).toRed(this.red);
+  this.b = new bn(conf.b, 16).toRed(this.red);
+  this.i4 = new bn(4).toRed(this.red).redInvm();
+  this.two = new bn(2).toRed(this.red);
+  this.a24 = this.i4.redMul(this.a.redAdd(this.two));
+}
+inherits(MontCurve, Base);
+module.exports = MontCurve;
+
+MontCurve.prototype.validate = function validate(point) {
+  var x = point.normalize().x;
+  var x2 = x.redSqr();
+  var rhs = x2.redMul(x).redAdd(x2.redMul(this.a)).redAdd(x);
+  var y = rhs.redSqrt();
+
+  return y.redSqr().cmp(rhs) === 0;
+};
+
+function Point(curve, x, z) {
+  Base.BasePoint.call(this, curve, 'projective');
+  if (x === null && z === null) {
+    this.x = this.curve.one;
+    this.z = this.curve.zero;
+  } else {
+    this.x = new bn(x, 16);
+    this.z = new bn(z, 16);
+    if (!this.x.red)
+      this.x = this.x.toRed(this.curve.red);
+    if (!this.z.red)
+      this.z = this.z.toRed(this.curve.red);
+  }
+}
+inherits(Point, Base.BasePoint);
+
+MontCurve.prototype.point = function point(x, z) {
+  return new Point(this, x, z);
+};
+
+MontCurve.prototype.pointFromJSON = function pointFromJSON(obj) {
+  return Point.fromJSON(this, obj);
+};
+
+Point.prototype.precompute = function precompute() {
+  // No-op
+};
+
+Point.fromJSON = function fromJSON(curve, obj) {
+  return new Point(curve, obj[0], obj[1] || curve.one);
+};
+
+Point.prototype.inspect = function inspect() {
+  if (this.isInfinity())
+    return '<EC Point Infinity>';
+  return '<EC Point x: ' + this.x.fromRed().toString(16, 2) +
+      ' z: ' + this.z.fromRed().toString(16, 2) + '>';
+};
+
+Point.prototype.isInfinity = function isInfinity() {
+  // XXX This code assumes that zero is always zero in red
+  return this.z.cmpn(0) === 0;
+};
+
+Point.prototype.dbl = function dbl() {
+  // http://hyperelliptic.org/EFD/g1p/auto-montgom-xz.html#doubling-dbl-1987-m-3
+  // 2M + 2S + 4A
+
+  // A = X1 + Z1
+  var a = this.x.redAdd(this.z);
+  // AA = A^2
+  var aa = a.redSqr();
+  // B = X1 - Z1
+  var b = this.x.redSub(this.z);
+  // BB = B^2
+  var bb = b.redSqr();
+  // C = AA - BB
+  var c = aa.redSub(bb);
+  // X3 = AA * BB
+  var nx = aa.redMul(bb);
+  // Z3 = C * (BB + A24 * C)
+  var nz = c.redMul(bb.redAdd(this.curve.a24.redMul(c)));
+  return this.curve.point(nx, nz);
+};
+
+Point.prototype.add = function add() {
+  throw new Error('Not supported on Montgomery curve');
+};
+
+Point.prototype.diffAdd = function diffAdd(p, diff) {
+  // http://hyperelliptic.org/EFD/g1p/auto-montgom-xz.html#diffadd-dadd-1987-m-3
+  // 4M + 2S + 6A
+
+  // A = X2 + Z2
+  var a = this.x.redAdd(this.z);
+  // B = X2 - Z2
+  var b = this.x.redSub(this.z);
+  // C = X3 + Z3
+  var c = p.x.redAdd(p.z);
+  // D = X3 - Z3
+  var d = p.x.redSub(p.z);
+  // DA = D * A
+  var da = d.redMul(a);
+  // CB = C * B
+  var cb = c.redMul(b);
+  // X5 = Z1 * (DA + CB)^2
+  var nx = diff.z.redMul(da.redAdd(cb).redSqr());
+  // Z5 = X1 * (DA - CB)^2
+  var nz = diff.x.redMul(da.redISub(cb).redSqr());
+  return this.curve.point(nx, nz);
+};
+
+Point.prototype.mul = function mul(k) {
+  var t = k.clone();
+  var a = this; // (N / 2) * Q + Q
+  var b = this.curve.point(null, null); // (N / 2) * Q
+  var c = this; // Q
+
+  for (var bits = []; t.cmpn(0) !== 0; t.ishrn(1))
+    bits.push(t.andln(1));
+
+  for (var i = bits.length - 1; i >= 0; i--) {
+    if (bits[i] === 0) {
+      // N * Q + Q = ((N / 2) * Q + Q)) + (N / 2) * Q
+      a = a.diffAdd(b, c);
+      // N * Q = 2 * ((N / 2) * Q + Q))
+      b = b.dbl();
+    } else {
+      // N * Q = ((N / 2) * Q + Q) + ((N / 2) * Q)
+      b = a.diffAdd(b, c);
+      // N * Q + Q = 2 * ((N / 2) * Q + Q)
+      a = a.dbl();
+    }
+  }
+  return b;
+};
+
+Point.prototype.mulAdd = function mulAdd() {
+  throw new Error('Not supported on Montgomery curve');
+};
+
+Point.prototype.normalize = function normalize() {
+  this.x = this.x.redMul(this.z.redInvm());
+  this.z = this.curve.one;
+  return this;
+};
+
+Point.prototype.getX = function getX() {
+  // Normalize coordinates
+  this.normalize();
+
+  return this.x.fromRed();
+};
+
+},{"../curve":115,"bn.js":19,"inherits":145}],117:[function(require,module,exports){
+'use strict';
+
+var curve = require('../curve');
+var elliptic = require('../../elliptic');
+var bn = require('bn.js');
+var inherits = require('inherits');
+var Base = curve.base;
+
+var assert = elliptic.utils.assert;
+
+function ShortCurve(conf) {
+  Base.call(this, 'short', conf);
+
+  this.a = new bn(conf.a, 16).toRed(this.red);
+  this.b = new bn(conf.b, 16).toRed(this.red);
+  this.tinv = this.two.redInvm();
+
+  this.zeroA = this.a.fromRed().cmpn(0) === 0;
+  this.threeA = this.a.fromRed().sub(this.p).cmpn(-3) === 0;
+
+  // If the curve is endomorphic, precalculate beta and lambda
+  this.endo = this._getEndomorphism(conf);
+  this._endoWnafT1 = new Array(4);
+  this._endoWnafT2 = new Array(4);
+}
+inherits(ShortCurve, Base);
+module.exports = ShortCurve;
+
+ShortCurve.prototype._getEndomorphism = function _getEndomorphism(conf) {
+  // No efficient endomorphism
+  if (!this.zeroA || !this.g || !this.n || this.p.modn(3) !== 1)
+    return;
+
+  // Compute beta and lambda, that lambda * P = (beta * Px; Py)
+  var beta;
+  var lambda;
+  if (conf.beta) {
+    beta = new bn(conf.beta, 16).toRed(this.red);
+  } else {
+    var betas = this._getEndoRoots(this.p);
+    // Choose the smallest beta
+    beta = betas[0].cmp(betas[1]) < 0 ? betas[0] : betas[1];
+    beta = beta.toRed(this.red);
+  }
+  if (conf.lambda) {
+    lambda = new bn(conf.lambda, 16);
+  } else {
+    // Choose the lambda that is matching selected beta
+    var lambdas = this._getEndoRoots(this.n);
+    if (this.g.mul(lambdas[0]).x.cmp(this.g.x.redMul(beta)) === 0) {
+      lambda = lambdas[0];
+    } else {
+      lambda = lambdas[1];
+      assert(this.g.mul(lambda).x.cmp(this.g.x.redMul(beta)) === 0);
+    }
+  }
+
+  // Get basis vectors, used for balanced length-two representation
+  var basis;
+  if (conf.basis) {
+    basis = conf.basis.map(function(vec) {
+      return {
+        a: new bn(vec.a, 16),
+        b: new bn(vec.b, 16)
+      };
+    });
+  } else {
+    basis = this._getEndoBasis(lambda);
+  }
+
+  return {
+    beta: beta,
+    lambda: lambda,
+    basis: basis
+  };
+};
+
+ShortCurve.prototype._getEndoRoots = function _getEndoRoots(num) {
+  // Find roots of for x^2 + x + 1 in F
+  // Root = (-1 +- Sqrt(-3)) / 2
+  //
+  var red = num === this.p ? this.red : bn.mont(num);
+  var tinv = new bn(2).toRed(red).redInvm();
+  var ntinv = tinv.redNeg();
+
+  var s = new bn(3).toRed(red).redNeg().redSqrt().redMul(tinv);
+
+  var l1 = ntinv.redAdd(s).fromRed();
+  var l2 = ntinv.redSub(s).fromRed();
+  return [ l1, l2 ];
+};
+
+ShortCurve.prototype._getEndoBasis = function _getEndoBasis(lambda) {
+  // aprxSqrt >= sqrt(this.n)
+  var aprxSqrt = this.n.shrn(Math.floor(this.n.bitLength() / 2));
+
+  // 3.74
+  // Run EGCD, until r(L + 1) < aprxSqrt
+  var u = lambda;
+  var v = this.n.clone();
+  var x1 = new bn(1);
+  var y1 = new bn(0);
+  var x2 = new bn(0);
+  var y2 = new bn(1);
+
+  // NOTE: all vectors are roots of: a + b * lambda = 0 (mod n)
+  var a0;
+  var b0;
+  // First vector
+  var a1;
+  var b1;
+  // Second vector
+  var a2;
+  var b2;
+
+  var prevR;
+  var i = 0;
+  var r;
+  var x;
+  while (u.cmpn(0) !== 0) {
+    var q = v.div(u);
+    r = v.sub(q.mul(u));
+    x = x2.sub(q.mul(x1));
+    var y = y2.sub(q.mul(y1));
+
+    if (!a1 && r.cmp(aprxSqrt) < 0) {
+      a0 = prevR.neg();
+      b0 = x1;
+      a1 = r.neg();
+      b1 = x;
+    } else if (a1 && ++i === 2) {
+      break;
+    }
+    prevR = r;
+
+    v = u;
+    u = r;
+    x2 = x1;
+    x1 = x;
+    y2 = y1;
+    y1 = y;
+  }
+  a2 = r.neg();
+  b2 = x;
+
+  var len1 = a1.sqr().add(b1.sqr());
+  var len2 = a2.sqr().add(b2.sqr());
+  if (len2.cmp(len1) >= 0) {
+    a2 = a0;
+    b2 = b0;
+  }
+
+  // Normalize signs
+  if (a1.sign) {
+    a1 = a1.neg();
+    b1 = b1.neg();
+  }
+  if (a2.sign) {
+    a2 = a2.neg();
+    b2 = b2.neg();
+  }
+
+  return [
+    { a: a1, b: b1 },
+    { a: a2, b: b2 }
+  ];
+};
+
+ShortCurve.prototype._endoSplit = function _endoSplit(k) {
+  var basis = this.endo.basis;
+  var v1 = basis[0];
+  var v2 = basis[1];
+
+  var c1 = v2.b.mul(k).divRound(this.n);
+  var c2 = v1.b.neg().mul(k).divRound(this.n);
+
+  var p1 = c1.mul(v1.a);
+  var p2 = c2.mul(v2.a);
+  var q1 = c1.mul(v1.b);
+  var q2 = c2.mul(v2.b);
+
+  // Calculate answer
+  var k1 = k.sub(p1).sub(p2);
+  var k2 = q1.add(q2).neg();
+  return { k1: k1, k2: k2 };
+};
+
+ShortCurve.prototype.pointFromX = function pointFromX(odd, x) {
+  x = new bn(x, 16);
+  if (!x.red)
+    x = x.toRed(this.red);
+
+  var y2 = x.redSqr().redMul(x).redIAdd(x.redMul(this.a)).redIAdd(this.b);
+  var y = y2.redSqrt();
+
+  // XXX Is there any way to tell if the number is odd without converting it
+  // to non-red form?
+  var isOdd = y.fromRed().isOdd();
+  if (odd && !isOdd || !odd && isOdd)
+    y = y.redNeg();
+
+  return this.point(x, y);
+};
+
+ShortCurve.prototype.validate = function validate(point) {
+  if (point.inf)
+    return true;
+
+  var x = point.x;
+  var y = point.y;
+
+  var ax = this.a.redMul(x);
+  var rhs = x.redSqr().redMul(x).redIAdd(ax).redIAdd(this.b);
+  return y.redSqr().redISub(rhs).cmpn(0) === 0;
+};
+
+ShortCurve.prototype._endoWnafMulAdd =
+    function _endoWnafMulAdd(points, coeffs) {
+  var npoints = this._endoWnafT1;
+  var ncoeffs = this._endoWnafT2;
+  for (var i = 0; i < points.length; i++) {
+    var split = this._endoSplit(coeffs[i]);
+    var p = points[i];
+    var beta = p._getBeta();
+
+    if (split.k1.sign) {
+      split.k1.sign = !split.k1.sign;
+      p = p.neg(true);
+    }
+    if (split.k2.sign) {
+      split.k2.sign = !split.k2.sign;
+      beta = beta.neg(true);
+    }
+
+    npoints[i * 2] = p;
+    npoints[i * 2 + 1] = beta;
+    ncoeffs[i * 2] = split.k1;
+    ncoeffs[i * 2 + 1] = split.k2;
+  }
+  var res = this._wnafMulAdd(1, npoints, ncoeffs, i * 2);
+
+  // Clean-up references to points and coefficients
+  for (var j = 0; j < i * 2; j++) {
+    npoints[j] = null;
+    ncoeffs[j] = null;
+  }
+  return res;
+};
+
+function Point(curve, x, y, isRed) {
+  Base.BasePoint.call(this, curve, 'affine');
+  if (x === null && y === null) {
+    this.x = null;
+    this.y = null;
+    this.inf = true;
+  } else {
+    this.x = new bn(x, 16);
+    this.y = new bn(y, 16);
+    // Force redgomery representation when loading from JSON
+    if (isRed) {
+      this.x.forceRed(this.curve.red);
+      this.y.forceRed(this.curve.red);
+    }
+    if (!this.x.red)
+      this.x = this.x.toRed(this.curve.red);
+    if (!this.y.red)
+      this.y = this.y.toRed(this.curve.red);
+    this.inf = false;
+  }
+}
+inherits(Point, Base.BasePoint);
+
+ShortCurve.prototype.point = function point(x, y, isRed) {
+  return new Point(this, x, y, isRed);
+};
+
+ShortCurve.prototype.pointFromJSON = function pointFromJSON(obj, red) {
+  return Point.fromJSON(this, obj, red);
+};
+
+Point.prototype._getBeta = function _getBeta() {
+  if (!this.curve.endo)
+    return;
+
+  var pre = this.precomputed;
+  if (pre && pre.beta)
+    return pre.beta;
+
+  var beta = this.curve.point(this.x.redMul(this.curve.endo.beta), this.y);
+  if (pre) {
+    var curve = this.curve;
+    var endoMul = function(p) {
+      return curve.point(p.x.redMul(curve.endo.beta), p.y);
+    };
+    pre.beta = beta;
+    beta.precomputed = {
+      beta: null,
+      naf: pre.naf && {
+        wnd: pre.naf.wnd,
+        points: pre.naf.points.map(endoMul)
+      },
+      doubles: pre.doubles && {
+        step: pre.doubles.step,
+        points: pre.doubles.points.map(endoMul)
+      }
+    };
+  }
+  return beta;
+};
+
+Point.prototype.toJSON = function toJSON() {
+  if (!this.precomputed)
+    return [ this.x, this.y ];
+
+  return [ this.x, this.y, this.precomputed && {
+    doubles: this.precomputed.doubles && {
+      step: this.precomputed.doubles.step,
+      points: this.precomputed.doubles.points.slice(1)
+    },
+    naf: this.precomputed.naf && {
+      wnd: this.precomputed.naf.wnd,
+      points: this.precomputed.naf.points.slice(1)
+    }
+  } ];
+};
+
+Point.fromJSON = function fromJSON(curve, obj, red) {
+  if (typeof obj === 'string')
+    obj = JSON.parse(obj);
+  var res = curve.point(obj[0], obj[1], red);
+  if (!obj[2])
+    return res;
+
+  function obj2point(obj) {
+    return curve.point(obj[0], obj[1], red);
+  }
+
+  var pre = obj[2];
+  res.precomputed = {
+    beta: null,
+    doubles: pre.doubles && {
+      step: pre.doubles.step,
+      points: [ res ].concat(pre.doubles.points.map(obj2point))
+    },
+    naf: pre.naf && {
+      wnd: pre.naf.wnd,
+      points: [ res ].concat(pre.naf.points.map(obj2point))
+    }
+  };
+  return res;
+};
+
+Point.prototype.inspect = function inspect() {
+  if (this.isInfinity())
+    return '<EC Point Infinity>';
+  return '<EC Point x: ' + this.x.fromRed().toString(16, 2) +
+      ' y: ' + this.y.fromRed().toString(16, 2) + '>';
+};
+
+Point.prototype.isInfinity = function isInfinity() {
+  return this.inf;
+};
+
+Point.prototype.add = function add(p) {
+  // O + P = P
+  if (this.inf)
+    return p;
+
+  // P + O = P
+  if (p.inf)
+    return this;
+
+  // P + P = 2P
+  if (this.eq(p))
+    return this.dbl();
+
+  // P + (-P) = O
+  if (this.neg().eq(p))
+    return this.curve.point(null, null);
+
+  // P + Q = O
+  if (this.x.cmp(p.x) === 0)
+    return this.curve.point(null, null);
+
+  var c = this.y.redSub(p.y);
+  if (c.cmpn(0) !== 0)
+    c = c.redMul(this.x.redSub(p.x).redInvm());
+  var nx = c.redSqr().redISub(this.x).redISub(p.x);
+  var ny = c.redMul(this.x.redSub(nx)).redISub(this.y);
+  return this.curve.point(nx, ny);
+};
+
+Point.prototype.dbl = function dbl() {
+  if (this.inf)
+    return this;
+
+  // 2P = O
+  var ys1 = this.y.redAdd(this.y);
+  if (ys1.cmpn(0) === 0)
+    return this.curve.point(null, null);
+
+  var a = this.curve.a;
+
+  var x2 = this.x.redSqr();
+  var dyinv = ys1.redInvm();
+  var c = x2.redAdd(x2).redIAdd(x2).redIAdd(a).redMul(dyinv);
+
+  var nx = c.redSqr().redISub(this.x.redAdd(this.x));
+  var ny = c.redMul(this.x.redSub(nx)).redISub(this.y);
+  return this.curve.point(nx, ny);
+};
+
+Point.prototype.getX = function getX() {
+  return this.x.fromRed();
+};
+
+Point.prototype.getY = function getY() {
+  return this.y.fromRed();
+};
+
+Point.prototype.mul = function mul(k) {
+  k = new bn(k, 16);
+
+  if (this.precomputed && this.precomputed.doubles)
+    return this.curve._fixedNafMul(this, k);
+  else if (this.curve.endo)
+    return this.curve._endoWnafMulAdd([ this ], [ k ]);
+  else
+    return this.curve._wnafMul(this, k);
+};
+
+Point.prototype.mulAdd = function mulAdd(k1, p2, k2) {
+  var points = [ this, p2 ];
+  var coeffs = [ k1, k2 ];
+  if (this.curve.endo)
+    return this.curve._endoWnafMulAdd(points, coeffs);
+  else
+    return this.curve._wnafMulAdd(1, points, coeffs, 2);
+};
+
+Point.prototype.eq = function eq(p) {
+  return this === p ||
+         this.inf === p.inf &&
+             (this.inf || this.x.cmp(p.x) === 0 && this.y.cmp(p.y) === 0);
+};
+
+Point.prototype.neg = function neg(_precompute) {
+  if (this.inf)
+    return this;
+
+  var res = this.curve.point(this.x, this.y.redNeg());
+  if (_precompute && this.precomputed) {
+    var pre = this.precomputed;
+    var negate = function(p) {
+      return p.neg();
+    };
+    res.precomputed = {
+      naf: pre.naf && {
+        wnd: pre.naf.wnd,
+        points: pre.naf.points.map(negate)
+      },
+      doubles: pre.doubles && {
+        step: pre.doubles.step,
+        points: pre.doubles.points.map(negate)
+      }
+    };
+  }
+  return res;
+};
+
+Point.prototype.toJ = function toJ() {
+  if (this.inf)
+    return this.curve.jpoint(null, null, null);
+
+  var res = this.curve.jpoint(this.x, this.y, this.curve.one);
+  return res;
+};
+
+function JPoint(curve, x, y, z) {
+  Base.BasePoint.call(this, curve, 'jacobian');
+  if (x === null && y === null && z === null) {
+    this.x = this.curve.one;
+    this.y = this.curve.one;
+    this.z = new bn(0);
+  } else {
+    this.x = new bn(x, 16);
+    this.y = new bn(y, 16);
+    this.z = new bn(z, 16);
+  }
+  if (!this.x.red)
+    this.x = this.x.toRed(this.curve.red);
+  if (!this.y.red)
+    this.y = this.y.toRed(this.curve.red);
+  if (!this.z.red)
+    this.z = this.z.toRed(this.curve.red);
+
+  this.zOne = this.z === this.curve.one;
+}
+inherits(JPoint, Base.BasePoint);
+
+ShortCurve.prototype.jpoint = function jpoint(x, y, z) {
+  return new JPoint(this, x, y, z);
+};
+
+JPoint.prototype.toP = function toP() {
+  if (this.isInfinity())
+    return this.curve.point(null, null);
+
+  var zinv = this.z.redInvm();
+  var zinv2 = zinv.redSqr();
+  var ax = this.x.redMul(zinv2);
+  var ay = this.y.redMul(zinv2).redMul(zinv);
+
+  return this.curve.point(ax, ay);
+};
+
+JPoint.prototype.neg = function neg() {
+  return this.curve.jpoint(this.x, this.y.redNeg(), this.z);
+};
+
+JPoint.prototype.add = function add(p) {
+  // O + P = P
+  if (this.isInfinity())
+    return p;
+
+  // P + O = P
+  if (p.isInfinity())
+    return this;
+
+  // 12M + 4S + 7A
+  var pz2 = p.z.redSqr();
+  var z2 = this.z.redSqr();
+  var u1 = this.x.redMul(pz2);
+  var u2 = p.x.redMul(z2);
+  var s1 = this.y.redMul(pz2.redMul(p.z));
+  var s2 = p.y.redMul(z2.redMul(this.z));
+
+  var h = u1.redSub(u2);
+  var r = s1.redSub(s2);
+  if (h.cmpn(0) === 0) {
+    if (r.cmpn(0) !== 0)
+      return this.curve.jpoint(null, null, null);
+    else
+      return this.dbl();
+  }
+
+  var h2 = h.redSqr();
+  var h3 = h2.redMul(h);
+  var v = u1.redMul(h2);
+
+  var nx = r.redSqr().redIAdd(h3).redISub(v).redISub(v);
+  var ny = r.redMul(v.redISub(nx)).redISub(s1.redMul(h3));
+  var nz = this.z.redMul(p.z).redMul(h);
+
+  return this.curve.jpoint(nx, ny, nz);
+};
+
+JPoint.prototype.mixedAdd = function mixedAdd(p) {
+  // O + P = P
+  if (this.isInfinity())
+    return p.toJ();
+
+  // P + O = P
+  if (p.isInfinity())
+    return this;
+
+  // 8M + 3S + 7A
+  var z2 = this.z.redSqr();
+  var u1 = this.x;
+  var u2 = p.x.redMul(z2);
+  var s1 = this.y;
+  var s2 = p.y.redMul(z2).redMul(this.z);
+
+  var h = u1.redSub(u2);
+  var r = s1.redSub(s2);
+  if (h.cmpn(0) === 0) {
+    if (r.cmpn(0) !== 0)
+      return this.curve.jpoint(null, null, null);
+    else
+      return this.dbl();
+  }
+
+  var h2 = h.redSqr();
+  var h3 = h2.redMul(h);
+  var v = u1.redMul(h2);
+
+  var nx = r.redSqr().redIAdd(h3).redISub(v).redISub(v);
+  var ny = r.redMul(v.redISub(nx)).redISub(s1.redMul(h3));
+  var nz = this.z.redMul(h);
+
+  return this.curve.jpoint(nx, ny, nz);
+};
+
+JPoint.prototype.dblp = function dblp(pow) {
+  if (pow === 0)
+    return this;
+  if (this.isInfinity())
+    return this;
+  if (!pow)
+    return this.dbl();
+
+  if (this.curve.zeroA || this.curve.threeA) {
+    var r = this;
+    for (var i = 0; i < pow; i++)
+      r = r.dbl();
+    return r;
+  }
+
+  // 1M + 2S + 1A + N * (4S + 5M + 8A)
+  // N = 1 => 6M + 6S + 9A
+  var a = this.curve.a;
+  var tinv = this.curve.tinv;
+
+  var jx = this.x;
+  var jy = this.y;
+  var jz = this.z;
+  var jz4 = jz.redSqr().redSqr();
+
+  // Reuse results
+  var jyd = jy.redAdd(jy);
+  for (var i = 0; i < pow; i++) {
+    var jx2 = jx.redSqr();
+    var jyd2 = jyd.redSqr();
+    var jyd4 = jyd2.redSqr();
+    var c = jx2.redAdd(jx2).redIAdd(jx2).redIAdd(a.redMul(jz4));
+
+    var t1 = jx.redMul(jyd2);
+    var nx = c.redSqr().redISub(t1.redAdd(t1));
+    var t2 = t1.redISub(nx);
+    var dny = c.redMul(t2);
+    dny = dny.redIAdd(dny).redISub(jyd4);
+    var nz = jyd.redMul(jz);
+    if (i + 1 < pow)
+      jz4 = jz4.redMul(jyd4);
+
+    jx = nx;
+    jz = nz;
+    jyd = dny;
+  }
+
+  return this.curve.jpoint(jx, jyd.redMul(tinv), jz);
+};
+
+JPoint.prototype.dbl = function dbl() {
+  if (this.isInfinity())
+    return this;
+
+  if (this.curve.zeroA)
+    return this._zeroDbl();
+  else if (this.curve.threeA)
+    return this._threeDbl();
+  else
+    return this._dbl();
+};
+
+JPoint.prototype._zeroDbl = function _zeroDbl() {
+  var nx;
+  var ny;
+  var nz;
+  // Z = 1
+  if (this.zOne) {
+    // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html
+    //     #doubling-mdbl-2007-bl
+    // 1M + 5S + 14A
+
+    // XX = X1^2
+    var xx = this.x.redSqr();
+    // YY = Y1^2
+    var yy = this.y.redSqr();
+    // YYYY = YY^2
+    var yyyy = yy.redSqr();
+    // S = 2 * ((X1 + YY)^2 - XX - YYYY)
+    var s = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);
+    s = s.redIAdd(s);
+    // M = 3 * XX + a; a = 0
+    var m = xx.redAdd(xx).redIAdd(xx);
+    // T = M ^ 2 - 2*S
+    var t = m.redSqr().redISub(s).redISub(s);
+
+    // 8 * YYYY
+    var yyyy8 = yyyy.redIAdd(yyyy);
+    yyyy8 = yyyy8.redIAdd(yyyy8);
+    yyyy8 = yyyy8.redIAdd(yyyy8);
+
+    // X3 = T
+    nx = t;
+    // Y3 = M * (S - T) - 8 * YYYY
+    ny = m.redMul(s.redISub(t)).redISub(yyyy8);
+    // Z3 = 2*Y1
+    nz = this.y.redAdd(this.y);
+  } else {
+    // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html
+    //     #doubling-dbl-2009-l
+    // 2M + 5S + 13A
+
+    // A = X1^2
+    var a = this.x.redSqr();
+    // B = Y1^2
+    var b = this.y.redSqr();
+    // C = B^2
+    var c = b.redSqr();
+    // D = 2 * ((X1 + B)^2 - A - C)
+    var d = this.x.redAdd(b).redSqr().redISub(a).redISub(c);
+    d = d.redIAdd(d);
+    // E = 3 * A
+    var e = a.redAdd(a).redIAdd(a);
+    // F = E^2
+    var f = e.redSqr();
+
+    // 8 * C
+    var c8 = c.redIAdd(c);
+    c8 = c8.redIAdd(c8);
+    c8 = c8.redIAdd(c8);
+
+    // X3 = F - 2 * D
+    nx = f.redISub(d).redISub(d);
+    // Y3 = E * (D - X3) - 8 * C
+    ny = e.redMul(d.redISub(nx)).redISub(c8);
+    // Z3 = 2 * Y1 * Z1
+    nz = this.y.redMul(this.z);
+    nz = nz.redIAdd(nz);
+  }
+
+  return this.curve.jpoint(nx, ny, nz);
+};
+
+JPoint.prototype._threeDbl = function _threeDbl() {
+  var nx;
+  var ny;
+  var nz;
+  // Z = 1
+  if (this.zOne) {
+    // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html
+    //     #doubling-mdbl-2007-bl
+    // 1M + 5S + 15A
+
+    // XX = X1^2
+    var xx = this.x.redSqr();
+    // YY = Y1^2
+    var yy = this.y.redSqr();
+    // YYYY = YY^2
+    var yyyy = yy.redSqr();
+    // S = 2 * ((X1 + YY)^2 - XX - YYYY)
+    var s = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);
+    s = s.redIAdd(s);
+    // M = 3 * XX + a
+    var m = xx.redAdd(xx).redIAdd(xx).redIAdd(this.curve.a);
+    // T = M^2 - 2 * S
+    var t = m.redSqr().redISub(s).redISub(s);
+    // X3 = T
+    nx = t;
+    // Y3 = M * (S - T) - 8 * YYYY
+    var yyyy8 = yyyy.redIAdd(yyyy);
+    yyyy8 = yyyy8.redIAdd(yyyy8);
+    yyyy8 = yyyy8.redIAdd(yyyy8);
+    ny = m.redMul(s.redISub(t)).redISub(yyyy8);
+    // Z3 = 2 * Y1
+    nz = this.y.redAdd(this.y);
+  } else {
+    // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html#doubling-dbl-2001-b
+    // 3M + 5S
+
+    // delta = Z1^2
+    var delta = this.z.redSqr();
+    // gamma = Y1^2
+    var gamma = this.y.redSqr();
+    // beta = X1 * gamma
+    var beta = this.x.redMul(gamma);
+    // alpha = 3 * (X1 - delta) * (X1 + delta)
+    var alpha = this.x.redSub(delta).redMul(this.x.redAdd(delta));
+    alpha = alpha.redAdd(alpha).redIAdd(alpha);
+    // X3 = alpha^2 - 8 * beta
+    var beta4 = beta.redIAdd(beta);
+    beta4 = beta4.redIAdd(beta4);
+    var beta8 = beta4.redAdd(beta4);
+    nx = alpha.redSqr().redISub(beta8);
+    // Z3 = (Y1 + Z1)^2 - gamma - delta
+    nz = this.y.redAdd(this.z).redSqr().redISub(gamma).redISub(delta);
+    // Y3 = alpha * (4 * beta - X3) - 8 * gamma^2
+    var ggamma8 = gamma.redSqr();
+    ggamma8 = ggamma8.redIAdd(ggamma8);
+    ggamma8 = ggamma8.redIAdd(ggamma8);
+    ggamma8 = ggamma8.redIAdd(ggamma8);
+    ny = alpha.redMul(beta4.redISub(nx)).redISub(ggamma8);
+  }
+
+  return this.curve.jpoint(nx, ny, nz);
+};
+
+JPoint.prototype._dbl = function _dbl() {
+  var a = this.curve.a;
+
+  // 4M + 6S + 10A
+  var jx = this.x;
+  var jy = this.y;
+  var jz = this.z;
+  var jz4 = jz.redSqr().redSqr();
+
+  var jx2 = jx.redSqr();
+  var jy2 = jy.redSqr();
+
+  var c = jx2.redAdd(jx2).redIAdd(jx2).redIAdd(a.redMul(jz4));
+
+  var jxd4 = jx.redAdd(jx);
+  jxd4 = jxd4.redIAdd(jxd4);
+  var t1 = jxd4.redMul(jy2);
+  var nx = c.redSqr().redISub(t1.redAdd(t1));
+  var t2 = t1.redISub(nx);
+
+  var jyd8 = jy2.redSqr();
+  jyd8 = jyd8.redIAdd(jyd8);
+  jyd8 = jyd8.redIAdd(jyd8);
+  jyd8 = jyd8.redIAdd(jyd8);
+  var ny = c.redMul(t2).redISub(jyd8);
+  var nz = jy.redAdd(jy).redMul(jz);
+
+  return this.curve.jpoint(nx, ny, nz);
+};
+
+JPoint.prototype.trpl = function trpl() {
+  if (!this.curve.zeroA)
+    return this.dbl().add(this);
+
+  // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html#tripling-tpl-2007-bl
+  // 5M + 10S + ...
+
+  // XX = X1^2
+  var xx = this.x.redSqr();
+  // YY = Y1^2
+  var yy = this.y.redSqr();
+  // ZZ = Z1^2
+  var zz = this.z.redSqr();
+  // YYYY = YY^2
+  var yyyy = yy.redSqr();
+  // M = 3 * XX + a * ZZ2; a = 0
+  var m = xx.redAdd(xx).redIAdd(xx);
+  // MM = M^2
+  var mm = m.redSqr();
+  // E = 6 * ((X1 + YY)^2 - XX - YYYY) - MM
+  var e = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);
+  e = e.redIAdd(e);
+  e = e.redAdd(e).redIAdd(e);
+  e = e.redISub(mm);
+  // EE = E^2
+  var ee = e.redSqr();
+  // T = 16*YYYY
+  var t = yyyy.redIAdd(yyyy);
+  t = t.redIAdd(t);
+  t = t.redIAdd(t);
+  t = t.redIAdd(t);
+  // U = (M + E)^2 - MM - EE - T
+  var u = m.redIAdd(e).redSqr().redISub(mm).redISub(ee).redISub(t);
+  // X3 = 4 * (X1 * EE - 4 * YY * U)
+  var yyu4 = yy.redMul(u);
+  yyu4 = yyu4.redIAdd(yyu4);
+  yyu4 = yyu4.redIAdd(yyu4);
+  var nx = this.x.redMul(ee).redISub(yyu4);
+  nx = nx.redIAdd(nx);
+  nx = nx.redIAdd(nx);
+  // Y3 = 8 * Y1 * (U * (T - U) - E * EE)
+  var ny = this.y.redMul(u.redMul(t.redISub(u)).redISub(e.redMul(ee)));
+  ny = ny.redIAdd(ny);
+  ny = ny.redIAdd(ny);
+  ny = ny.redIAdd(ny);
+  // Z3 = (Z1 + E)^2 - ZZ - EE
+  var nz = this.z.redAdd(e).redSqr().redISub(zz).redISub(ee);
+
+  return this.curve.jpoint(nx, ny, nz);
+};
+
+JPoint.prototype.mul = function mul(k, kbase) {
+  k = new bn(k, kbase);
+
+  return this.curve._wnafMul(this, k);
+};
+
+JPoint.prototype.eq = function eq(p) {
+  if (p.type === 'affine')
+    return this.eq(p.toJ());
+
+  if (this === p)
+    return true;
+
+  // x1 * z2^2 == x2 * z1^2
+  var z2 = this.z.redSqr();
+  var pz2 = p.z.redSqr();
+  if (this.x.redMul(pz2).redISub(p.x.redMul(z2)).cmpn(0) !== 0)
+    return false;
+
+  // y1 * z2^3 == y2 * z1^3
+  var z3 = z2.redMul(this.z);
+  var pz3 = pz2.redMul(p.z);
+  return this.y.redMul(pz3).redISub(p.y.redMul(z3)).cmpn(0) === 0;
+};
+
+JPoint.prototype.inspect = function inspect() {
+  if (this.isInfinity())
+    return '<EC JPoint Infinity>';
+  return '<EC JPoint x: ' + this.x.toString(16, 2) +
+      ' y: ' + this.y.toString(16, 2) +
+      ' z: ' + this.z.toString(16, 2) + '>';
+};
+
+JPoint.prototype.isInfinity = function isInfinity() {
+  // XXX This code assumes that zero is always zero in red
+  return this.z.cmpn(0) === 0;
+};
+
+},{"../../elliptic":112,"../curve":115,"bn.js":19,"inherits":145}],118:[function(require,module,exports){
+'use strict';
+
+var curves = exports;
+
+var hash = require('hash.js');
+var elliptic = require('../elliptic');
+
+var assert = elliptic.utils.assert;
+
+function PresetCurve(options) {
+  if (options.type === 'short')
+    this.curve = new elliptic.curve.short(options);
+  else if (options.type === 'edwards')
+    this.curve = new elliptic.curve.edwards(options);
+  else
+    this.curve = new elliptic.curve.mont(options);
+  this.g = this.curve.g;
+  this.n = this.curve.n;
+  this.hash = options.hash;
+
+  assert(this.g.validate(), 'Invalid curve');
+  assert(this.g.mul(this.n).isInfinity(), 'Invalid curve, G*N != O');
+}
+curves.PresetCurve = PresetCurve;
+
+function defineCurve(name, options) {
+  Object.defineProperty(curves, name, {
+    configurable: true,
+    enumerable: true,
+    get: function() {
+      var curve = new PresetCurve(options);
+      Object.defineProperty(curves, name, {
+        configurable: true,
+        enumerable: true,
+        value: curve
+      });
+      return curve;
+    }
+  });
+}
+
+defineCurve('p192', {
+  type: 'short',
+  prime: 'p192',
+  p: 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff',
+  a: 'ffffffff ffffffff ffffffff fffffffe ffffffff fffffffc',
+  b: '64210519 e59c80e7 0fa7e9ab 72243049 feb8deec c146b9b1',
+  n: 'ffffffff ffffffff ffffffff 99def836 146bc9b1 b4d22831',
+  hash: hash.sha256,
+  gRed: false,
+  g: [
+    '188da80e b03090f6 7cbf20eb 43a18800 f4ff0afd 82ff1012',
+    '07192b95 ffc8da78 631011ed 6b24cdd5 73f977a1 1e794811'
+  ]
+});
+
+defineCurve('p224', {
+  type: 'short',
+  prime: 'p224',
+  p: 'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001',
+  a: 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff fffffffe',
+  b: 'b4050a85 0c04b3ab f5413256 5044b0b7 d7bfd8ba 270b3943 2355ffb4',
+  n: 'ffffffff ffffffff ffffffff ffff16a2 e0b8f03e 13dd2945 5c5c2a3d',
+  hash: hash.sha256,
+  gRed: false,
+  g: [
+    'b70e0cbd 6bb4bf7f 321390b9 4a03c1d3 56c21122 343280d6 115c1d21',
+    'bd376388 b5f723fb 4c22dfe6 cd4375a0 5a074764 44d58199 85007e34'
+  ]
+});
+
+defineCurve('p256', {
+  type: 'short',
+  prime: null,
+  p: 'ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff ffffffff',
+  a: 'ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff fffffffc',
+  b: '5ac635d8 aa3a93e7 b3ebbd55 769886bc 651d06b0 cc53b0f6 3bce3c3e 27d2604b',
+  n: 'ffffffff 00000000 ffffffff ffffffff bce6faad a7179e84 f3b9cac2 fc632551',
+  hash: hash.sha256,
+  gRed: false,
+  g: [
+    '6b17d1f2 e12c4247 f8bce6e5 63a440f2 77037d81 2deb33a0 f4a13945 d898c296',
+    '4fe342e2 fe1a7f9b 8ee7eb4a 7c0f9e16 2bce3357 6b315ece cbb64068 37bf51f5'
+  ]
+});
+
+defineCurve('curve25519', {
+  type: 'mont',
+  prime: 'p25519',
+  p: '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed',
+  a: '76d06',
+  b: '0',
+  n: '1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed',
+  hash: hash.sha256,
+  gRed: false,
+  g: [
+    '9'
+  ]
+});
+
+defineCurve('ed25519', {
+  type: 'edwards',
+  prime: 'p25519',
+  p: '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed',
+  a: '-1',
+  c: '1',
+  // -121665 * (121666^(-1)) (mod P)
+  d: '52036cee2b6ffe73 8cc740797779e898 00700a4d4141d8ab 75eb4dca135978a3',
+  n: '1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed',
+  hash: hash.sha256,
+  gRed: false,
+  g: [
+    '216936d3cd6e53fec0a4e231fdd6dc5c692cc7609525a7b2c9562d608f25d51a',
+
+    // 4/5
+    '6666666666666666666666666666666666666666666666666666666666666658'
+  ]
+});
+
+var pre;
+try {
+  pre = require('./precomputed/secp256k1');
+} catch (e) {
+  pre = undefined;
+}
+
+defineCurve('secp256k1', {
+  type: 'short',
+  prime: 'k256',
+  p: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f',
+  a: '0',
+  b: '7',
+  n: 'ffffffff ffffffff ffffffff fffffffe baaedce6 af48a03b bfd25e8c d0364141',
+  h: '1',
+  hash: hash.sha256,
+
+  // Precomputed endomorphism
+  beta: '7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee',
+  lambda: '5363ad4cc05c30e0a5261c028812645a122e22ea20816678df02967c1b23bd72',
+  basis: [
+    {
+      a: '3086d221a7d46bcde86c90e49284eb15',
+      b: '-e4437ed6010e88286f547fa90abfe4c3'
+    },
+    {
+      a: '114ca50f7a8e2f3f657c1108d9d44cfd8',
+      b: '3086d221a7d46bcde86c90e49284eb15'
+    }
+  ],
+
+  gRed: false,
+  g: [
+    '79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798',
+    '483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8',
+    pre
+  ]
+});
+
+},{"../elliptic":112,"./precomputed/secp256k1":123,"hash.js":129}],119:[function(require,module,exports){
+'use strict';
+
+var bn = require('bn.js');
+var elliptic = require('../../elliptic');
+var utils = elliptic.utils;
+var assert = utils.assert;
+
+var KeyPair = require('./key');
+var Signature = require('./signature');
+
+function EC(options) {
+  if (!(this instanceof EC))
+    return new EC(options);
+
+  // Shortcut `elliptic.ec(curve-name)`
+  if (typeof options === 'string') {
+    assert(elliptic.curves.hasOwnProperty(options), 'Unknown curve ' + options);
+
+    options = elliptic.curves[options];
+  }
+
+  // Shortcut for `elliptic.ec(elliptic.curves.curveName)`
+  if (options instanceof elliptic.curves.PresetCurve)
+    options = { curve: options };
+
+  this.curve = options.curve.curve;
+  this.n = this.curve.n;
+  this.nh = this.n.shrn(1);
+  this.g = this.curve.g;
+
+  // Point on curve
+  this.g = options.curve.g;
+  this.g.precompute(options.curve.n.bitLength() + 1);
+
+  // Hash for function for DRBG
+  this.hash = options.hash || options.curve.hash;
+}
+module.exports = EC;
+
+EC.prototype.keyPair = function keyPair(options) {
+  return new KeyPair(this, options);
+};
+
+EC.prototype.keyFromPrivate = function keyFromPrivate(priv, enc) {
+  return KeyPair.fromPrivate(this, priv, enc);
+};
+
+EC.prototype.keyFromPublic = function keyFromPublic(pub, enc) {
+  return KeyPair.fromPublic(this, pub, enc);
+};
+
+EC.prototype.genKeyPair = function genKeyPair(options) {
+  if (!options)
+    options = {};
+
+  // Instantiate Hmac_DRBG
+  var drbg = new elliptic.hmacDRBG({
+    hash: this.hash,
+    pers: options.pers,
+    entropy: options.entropy || elliptic.rand(this.hash.hmacStrength),
+    nonce: this.n.toArray()
+  });
+
+  var bytes = this.n.byteLength();
+  var ns2 = this.n.sub(new bn(2));
+  do {
+    var priv = new bn(drbg.generate(bytes));
+    if (priv.cmp(ns2) > 0)
+      continue;
+
+    priv.iaddn(1);
+    return this.keyFromPrivate(priv);
+  } while (true);
+};
+
+EC.prototype._truncateToN = function truncateToN(msg, truncOnly) {
+  var delta = msg.byteLength() * 8 - this.n.bitLength();
+  if (delta > 0)
+    msg = msg.shrn(delta);
+  if (!truncOnly && msg.cmp(this.n) >= 0)
+    return msg.sub(this.n);
+  else
+    return msg;
+};
+
+EC.prototype.sign = function sign(msg, key, enc, options) {
+  if (typeof enc === 'object') {
+    options = enc;
+    enc = null;
+  }
+  if (!options)
+    options = {};
+
+  key = this.keyFromPrivate(key, enc);
+  msg = this._truncateToN(new bn(msg, 16));
+
+  // Zero-extend key to provide enough entropy
+  var bytes = this.n.byteLength();
+  var bkey = key.getPrivate().toArray();
+  for (var i = bkey.length; i < 21; i++)
+    bkey.unshift(0);
+
+  // Zero-extend nonce to have the same byte size as N
+  var nonce = msg.toArray();
+  for (var i = nonce.length; i < bytes; i++)
+    nonce.unshift(0);
+
+  // Instantiate Hmac_DRBG
+  var drbg = new elliptic.hmacDRBG({
+    hash: this.hash,
+    entropy: bkey,
+    nonce: nonce
+  });
+
+  // Number of bytes to generate
+  var ns1 = this.n.sub(new bn(1));
+  do {
+    var k = new bn(drbg.generate(this.n.byteLength()));
+    k = this._truncateToN(k, true);
+    if (k.cmpn(1) <= 0 || k.cmp(ns1) >= 0)
+      continue;
+
+    var kp = this.g.mul(k);
+    if (kp.isInfinity())
+      continue;
+
+    var r = kp.getX().mod(this.n);
+    if (r.cmpn(0) === 0)
+      continue;
+
+    var s = k.invm(this.n).mul(r.mul(key.getPrivate()).iadd(msg)).mod(this.n);
+    if (s.cmpn(0) === 0)
+      continue;
+
+    // Use complement of `s`, if it is > `n / 2`
+    if (options.canonical && s.cmp(this.nh) > 0)
+      s = this.n.sub(s);
+
+    return new Signature({ r: r, s: s });
+  } while (true);
+};
+
+EC.prototype.verify = function verify(msg, signature, key, enc) {
+  msg = this._truncateToN(new bn(msg, 16));
+  key = this.keyFromPublic(key, enc);
+  signature = new Signature(signature, 'hex');
+
+  // Perform primitive values validation
+  var r = signature.r;
+  var s = signature.s;
+  if (r.cmpn(1) < 0 || r.cmp(this.n) >= 0)
+    return false;
+  if (s.cmpn(1) < 0 || s.cmp(this.n) >= 0)
+    return false;
+
+  // Validate signature
+  var sinv = s.invm(this.n);
+  var u1 = sinv.mul(msg).mod(this.n);
+  var u2 = sinv.mul(r).mod(this.n);
+
+  var p = this.g.mulAdd(u1, key.getPublic(), u2);
+  if (p.isInfinity())
+    return false;
+
+  return p.getX().mod(this.n).cmp(r) === 0;
+};
+
+},{"../../elliptic":112,"./key":120,"./signature":121,"bn.js":19}],120:[function(require,module,exports){
+'use strict';
+
+var bn = require('bn.js');
+
+var elliptic = require('../../elliptic');
+var utils = elliptic.utils;
+
+function KeyPair(ec, options) {
+  this.ec = ec;
+  this.priv = null;
+  this.pub = null;
+
+  // KeyPair(ec, { priv: ..., pub: ... })
+  if (options.priv)
+    this._importPrivate(options.priv, options.privEnc);
+  if (options.pub)
+    this._importPublic(options.pub, options.pubEnc);
+}
+module.exports = KeyPair;
+
+KeyPair.fromPublic = function fromPublic(ec, pub, enc) {
+  if (pub instanceof KeyPair)
+    return pub;
+
+  return new KeyPair(ec, {
+    pub: pub,
+    pubEnc: enc
+  });
+};
+
+KeyPair.fromPrivate = function fromPrivate(ec, priv, enc) {
+  if (priv instanceof KeyPair)
+    return priv;
+
+  return new KeyPair(ec, {
+    priv: priv,
+    privEnc: enc
+  });
+};
+
+KeyPair.prototype.validate = function validate() {
+  var pub = this.getPublic();
+
+  if (pub.isInfinity())
+    return { result: false, reason: 'Invalid public key' };
+  if (!pub.validate())
+    return { result: false, reason: 'Public key is not a point' };
+  if (!pub.mul(this.ec.curve.n).isInfinity())
+    return { result: false, reason: 'Public key * N != O' };
+
+  return { result: true, reason: null };
+};
+
+KeyPair.prototype.getPublic = function getPublic(compact, enc) {
+  if (!this.pub)
+    this.pub = this.ec.g.mul(this.priv);
+
+  // compact is optional argument
+  if (typeof compact === 'string') {
+    enc = compact;
+    compact = null;
+  }
+
+  if (!enc)
+    return this.pub;
+
+  var len = this.ec.curve.p.byteLength();
+  var x = this.pub.getX().toArray();
+
+  for (var i = x.length; i < len; i++)
+    x.unshift(0);
+
+  var res;
+  if (this.ec.curve.type !== 'mont') {
+    if (compact) {
+      res = [ this.pub.getY().isEven() ? 0x02 : 0x03 ].concat(x);
+    } else {
+      var y = this.pub.getY().toArray();
+      for (var i = y.length; i < len; i++)
+        y.unshift(0);
+      var res = [ 0x04 ].concat(x, y);
+    }
+  } else {
+    res = x;
+  }
+
+  return utils.encode(res, enc);
+};
+
+KeyPair.prototype.getPrivate = function getPrivate(enc) {
+  if (enc === 'hex')
+    return this.priv.toString(16, 2);
+  else
+    return this.priv;
+};
+
+KeyPair.prototype._importPrivate = function _importPrivate(key, enc) {
+  this.priv = new bn(key, enc || 16);
+
+  // Ensure that the priv won't be bigger than n, otherwise we may fail
+  // in fixed multiplication method
+  this.priv = this.priv.mod(this.ec.curve.n);
+};
+
+KeyPair.prototype._importPublic = function _importPublic(key, enc) {
+  if (key.x || key.y) {
+    this.pub = this.ec.curve.point(key.x, key.y);
+    return;
+  }
+
+  key = utils.toArray(key, enc);
+  if (this.ec.curve.type !== 'mont')
+    return this._importPublicShort(key);
+  else
+    return this._importPublicMont(key);
+};
+
+KeyPair.prototype._importPublicShort = function _importPublicShort(key) {
+  var len = this.ec.curve.p.byteLength();
+  if (key[0] === 0x04 && key.length - 1 === 2 * len) {
+    this.pub = this.ec.curve.point(
+      key.slice(1, 1 + len),
+      key.slice(1 + len, 1 + 2 * len));
+  } else if ((key[0] === 0x02 || key[0] === 0x03) && key.length - 1 === len) {
+    this.pub = this.ec.curve.pointFromX(key[0] === 0x03, key.slice(1, 1 + len));
+  }
+};
+
+KeyPair.prototype._importPublicMont = function _importPublicMont(key) {
+  this.pub = this.ec.curve.point(key, 1);
+};
+
+// ECDH
+KeyPair.prototype.derive = function derive(pub) {
+  return pub.mul(this.priv).getX();
+};
+
+// ECDSA
+KeyPair.prototype.sign = function sign(msg) {
+  return this.ec.sign(msg, this);
+};
+
+KeyPair.prototype.verify = function verify(msg, signature) {
+  return this.ec.verify(msg, signature, this);
+};
+
+KeyPair.prototype.inspect = function inspect() {
+  return '<Key priv: ' + (this.priv && this.priv.toString(16, 2)) +
+         ' pub: ' + (this.pub && this.pub.inspect()) + ' >';
+};
+
+},{"../../elliptic":112,"bn.js":19}],121:[function(require,module,exports){
+'use strict';
+
+var bn = require('bn.js');
+
+var elliptic = require('../../elliptic');
+var utils = elliptic.utils;
+var assert = utils.assert;
+
+function Signature(options, enc) {
+  if (options instanceof Signature)
+    return options;
+
+  if (this._importDER(options, enc))
+    return;
+
+  assert(options.r && options.s, 'Signature without r or s');
+  this.r = new bn(options.r, 16);
+  this.s = new bn(options.s, 16);
+}
+module.exports = Signature;
+
+Signature.prototype._importDER = function _importDER(data, enc) {
+  data = utils.toArray(data, enc);
+  if (data.length < 6 || data[0] !== 0x30 || data[2] !== 0x02)
+    return false;
+  var total = data[1];
+  if (1 + total > data.length)
+    return false;
+  var rlen = data[3];
+  // Short length notation
+  if (rlen >= 0x80)
+    return false;
+  if (4 + rlen + 2 >= data.length)
+    return false;
+  if (data[4 + rlen] !== 0x02)
+    return false;
+  var slen = data[5 + rlen];
+  // Short length notation
+  if (slen >= 0x80)
+    return false;
+  if (4 + rlen + 2 + slen > data.length)
+    return false;
+
+  this.r = new bn(data.slice(4, 4 + rlen));
+  this.s = new bn(data.slice(4 + rlen + 2, 4 + rlen + 2 + slen));
+
+  return true;
+};
+
+Signature.prototype.toDER = function toDER(enc) {
+  var r = this.r.toArray();
+  var s = this.s.toArray();
+
+  // Pad values
+  if (r[0] & 0x80)
+    r = [ 0 ].concat(r);
+  // Pad values
+  if (s[0] & 0x80)
+    s = [ 0 ].concat(s);
+
+  var total = r.length + s.length + 4;
+  var res = [ 0x30, total, 0x02, r.length ];
+  res = res.concat(r, [ 0x02, s.length ], s);
+  return utils.encode(res, enc);
+};
+
+},{"../../elliptic":112,"bn.js":19}],122:[function(require,module,exports){
+'use strict';
+
+var hash = require('hash.js');
+var elliptic = require('../elliptic');
+var utils = elliptic.utils;
+var assert = utils.assert;
+
+function HmacDRBG(options) {
+  if (!(this instanceof HmacDRBG))
+    return new HmacDRBG(options);
+  this.hash = options.hash;
+  this.predResist = !!options.predResist;
+
+  this.outLen = this.hash.outSize;
+  this.minEntropy = options.minEntropy || this.hash.hmacStrength;
+
+  this.reseed = null;
+  this.reseedInterval = null;
+  this.K = null;
+  this.V = null;
+
+  var entropy = utils.toArray(options.entropy, options.entropyEnc);
+  var nonce = utils.toArray(options.nonce, options.nonceEnc);
+  var pers = utils.toArray(options.pers, options.persEnc);
+  assert(entropy.length >= (this.minEntropy / 8),
+         'Not enough entropy. Minimum is: ' + this.minEntropy + ' bits');
+  this._init(entropy, nonce, pers);
+}
+module.exports = HmacDRBG;
+
+HmacDRBG.prototype._init = function init(entropy, nonce, pers) {
+  var seed = entropy.concat(nonce).concat(pers);
+
+  this.K = new Array(this.outLen / 8);
+  this.V = new Array(this.outLen / 8);
+  for (var i = 0; i < this.V.length; i++) {
+    this.K[i] = 0x00;
+    this.V[i] = 0x01;
+  }
+
+  this._update(seed);
+  this.reseed = 1;
+  this.reseedInterval = 0x1000000000000;  // 2^48
+};
+
+HmacDRBG.prototype._hmac = function hmac() {
+  return new hash.hmac(this.hash, this.K);
+};
+
+HmacDRBG.prototype._update = function update(seed) {
+  var kmac = this._hmac()
+                 .update(this.V)
+                 .update([ 0x00 ]);
+  if (seed)
+    kmac = kmac.update(seed);
+  this.K = kmac.digest();
+  this.V = this._hmac().update(this.V).digest();
+  if (!seed)
+    return;
+
+  this.K = this._hmac()
+               .update(this.V)
+               .update([ 0x01 ])
+               .update(seed)
+               .digest();
+  this.V = this._hmac().update(this.V).digest();
+};
+
+HmacDRBG.prototype.reseed = function reseed(entropy, entropyEnc, add, addEnc) {
+  // Optional entropy enc
+  if (typeof entropyEnc !== 'string') {
+    addEnc = add;
+    add = entropyEnc;
+    entropyEnc = null;
+  }
+
+  entropy = utils.toBuffer(entropy, entropyEnc);
+  add = utils.toBuffer(add, addEnc);
+
+  assert(entropy.length >= (this.minEntropy / 8),
+         'Not enough entropy. Minimum is: ' + this.minEntropy + ' bits');
+
+  this._update(entropy.concat(add || []));
+  this.reseed = 1;
+};
+
+HmacDRBG.prototype.generate = function generate(len, enc, add, addEnc) {
+  if (this.reseed > this.reseedInterval)
+    throw new Error('Reseed is required');
+
+  // Optional encoding
+  if (typeof enc !== 'string') {
+    addEnc = add;
+    add = enc;
+    enc = null;
+  }
+
+  // Optional additional data
+  if (add) {
+    add = utils.toArray(add, addEnc);
+    this._update(add);
+  }
+
+  var temp = [];
+  while (temp.length < len) {
+    this.V = this._hmac().update(this.V).digest();
+    temp = temp.concat(this.V);
+  }
+
+  var res = temp.slice(0, len);
+  this._update(add);
+  this.reseed++;
+  return utils.encode(res, enc);
+};
+
+},{"../elliptic":112,"hash.js":129}],123:[function(require,module,exports){
+arguments[4][64][0].apply(exports,arguments)
+},{"dup":64}],124:[function(require,module,exports){
+'use strict';
+
+var utils = exports;
+
+utils.assert = function assert(val, msg) {
+  if (!val)
+    throw new Error(msg || 'Assertion failed');
+};
+
+function toArray(msg, enc) {
+  if (Array.isArray(msg))
+    return msg.slice();
+  if (!msg)
+    return [];
+  var res = [];
+  if (typeof msg !== 'string') {
+    for (var i = 0; i < msg.length; i++)
+      res[i] = msg[i] | 0;
+    return res;
+  }
+  if (!enc) {
+    for (var i = 0; i < msg.length; i++) {
+      var c = msg.charCodeAt(i);
+      var hi = c >> 8;
+      var lo = c & 0xff;
+      if (hi)
+        res.push(hi, lo);
+      else
+        res.push(lo);
+    }
+  } else if (enc === 'hex') {
+    msg = msg.replace(/[^a-z0-9]+/ig, '');
+    if (msg.length % 2 !== 0)
+      msg = '0' + msg;
+    for (var i = 0; i < msg.length; i += 2)
+      res.push(parseInt(msg[i] + msg[i + 1], 16));
+  }
+  return res;
+}
+utils.toArray = toArray;
+
+function zero2(word) {
+  if (word.length === 1)
+    return '0' + word;
+  else
+    return word;
+}
+utils.zero2 = zero2;
+
+function toHex(msg) {
+  var res = '';
+  for (var i = 0; i < msg.length; i++)
+    res += zero2(msg[i].toString(16));
+  return res;
+}
+utils.toHex = toHex;
+
+utils.encode = function encode(arr, enc) {
+  if (enc === 'hex')
+    return toHex(arr);
+  else
+    return arr;
+};
+
+// Represent num in a w-NAF form
+function getNAF(num, w) {
+  var naf = [];
+  var ws = 1 << (w + 1);
+  var k = num.clone();
+  while (k.cmpn(1) >= 0) {
+    var z;
+    if (k.isOdd()) {
+      var mod = k.andln(ws - 1);
+      if (mod > (ws >> 1) - 1)
+        z = (ws >> 1) - mod;
+      else
+        z = mod;
+      k.isubn(z);
+    } else {
+      z = 0;
+    }
+    naf.push(z);
+
+    // Optimization, shift by word if possible
+    var shift = (k.cmpn(0) !== 0 && k.andln(ws - 1) === 0) ? (w + 1) : 1;
+    for (var i = 1; i < shift; i++)
+      naf.push(0);
+    k.ishrn(shift);
+  }
+
+  return naf;
+}
+utils.getNAF = getNAF;
+
+// Represent k1, k2 in a Joint Sparse Form
+function getJSF(k1, k2) {
+  var jsf = [
+    [],
+    []
+  ];
+
+  k1 = k1.clone();
+  k2 = k2.clone();
+  var d1 = 0;
+  var d2 = 0;
+  while (k1.cmpn(-d1) > 0 || k2.cmpn(-d2) > 0) {
+
+    // First phase
+    var m14 = (k1.andln(3) + d1) & 3;
+    var m24 = (k2.andln(3) + d2) & 3;
+    if (m14 === 3)
+      m14 = -1;
+    if (m24 === 3)
+      m24 = -1;
+    var u1;
+    if ((m14 & 1) === 0) {
+      u1 = 0;
+    } else {
+      var m8 = (k1.andln(7) + d1) & 7;
+      if ((m8 === 3 || m8 === 5) && m24 === 2)
+        u1 = -m14;
+      else
+        u1 = m14;
+    }
+    jsf[0].push(u1);
+
+    var u2;
+    if ((m24 & 1) === 0) {
+      u2 = 0;
+    } else {
+      var m8 = (k2.andln(7) + d2) & 7;
+      if ((m8 === 3 || m8 === 5) && m14 === 2)
+        u2 = -m24;
+      else
+        u2 = m24;
+    }
+    jsf[1].push(u2);
+
+    // Second phase
+    if (2 * d1 === u1 + 1)
+      d1 = 1 - d1;
+    if (2 * d2 === u2 + 1)
+      d2 = 1 - d2;
+    k1.ishrn(1);
+    k2.ishrn(1);
+  }
+
+  return jsf;
+}
+utils.getJSF = getJSF;
+
+},{}],125:[function(require,module,exports){
+module.exports={
+  "_args": [
+    [
+      "elliptic@3.0.3",
+      "/home/emilio/dev/bitcoincashjs/bitcoincashjs"
+    ]
+  ],
+  "_from": "elliptic@3.0.3",
+  "_id": "elliptic@3.0.3",
+  "_inBundle": false,
+  "_integrity": "sha1-hlybQgv75VAGuflp+XoNLESWZZU=",
+  "_location": "/elliptic",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "version",
+    "registry": true,
+    "raw": "elliptic@3.0.3",
+    "name": "elliptic",
+    "escapedName": "elliptic",
+    "rawSpec": "3.0.3",
+    "saveSpec": null,
+    "fetchSpec": "3.0.3"
+  },
+  "_requiredBy": [
+    "/"
+  ],
+  "_resolved": "https://registry.npmjs.org/elliptic/-/elliptic-3.0.3.tgz",
+  "_spec": "3.0.3",
+  "_where": "/home/emilio/dev/bitcoincashjs/bitcoincashjs",
+  "author": {
+    "name": "Fedor Indutny",
+    "email": "fedor@indutny.com"
+  },
+  "bugs": {
+    "url": "https://github.com/indutny/elliptic/issues"
+  },
+  "dependencies": {
+    "bn.js": "^2.0.0",
+    "brorand": "^1.0.1",
+    "hash.js": "^1.0.0",
+    "inherits": "^2.0.1"
+  },
+  "description": "EC cryptography",
+  "devDependencies": {
+    "browserify": "^3.44.2",
+    "jscs": "^1.11.3",
+    "jshint": "^2.6.0",
+    "mocha": "^2.1.0",
+    "uglify-js": "^2.4.13"
+  },
+  "homepage": "https://github.com/indutny/elliptic",
+  "keywords": [
+    "EC",
+    "Elliptic",
+    "curve",
+    "Cryptography"
+  ],
+  "license": "MIT",
+  "main": "lib/elliptic.js",
+  "name": "elliptic",
+  "repository": {
+    "type": "git",
+    "url": "git+ssh://git@github.com/indutny/elliptic.git"
+  },
+  "scripts": {
+    "test": "make lint && mocha --reporter=spec test/*-test.js"
+  },
+  "version": "3.0.3"
+}
+
+},{}],126:[function(require,module,exports){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+function EventEmitter() {
+  this._events = this._events || {};
+  this._maxListeners = this._maxListeners || undefined;
+}
+module.exports = EventEmitter;
+
+// Backwards-compat with node 0.10.x
+EventEmitter.EventEmitter = EventEmitter;
+
+EventEmitter.prototype._events = undefined;
+EventEmitter.prototype._maxListeners = undefined;
+
+// By default EventEmitters will print a warning if more than 10 listeners are
+// added to it. This is a useful default which helps finding memory leaks.
+EventEmitter.defaultMaxListeners = 10;
+
+// Obviously not all Emitters should be limited to 10. This function allows
+// that to be increased. Set to zero for unlimited.
+EventEmitter.prototype.setMaxListeners = function(n) {
+  if (!isNumber(n) || n < 0 || isNaN(n))
+    throw TypeError('n must be a positive number');
+  this._maxListeners = n;
+  return this;
+};
+
+EventEmitter.prototype.emit = function(type) {
+  var er, handler, len, args, i, listeners;
+
+  if (!this._events)
+    this._events = {};
+
+  // If there is no 'error' event listener then throw.
+  if (type === 'error') {
+    if (!this._events.error ||
+        (isObject(this._events.error) && !this._events.error.length)) {
+      er = arguments[1];
+      if (er instanceof Error) {
+        throw er; // Unhandled 'error' event
+      } else {
+        // At least give some kind of context to the user
+        var err = new Error('Uncaught, unspecified "error" event. (' + er + ')');
+        err.context = er;
+        throw err;
+      }
+    }
+  }
+
+  handler = this._events[type];
+
+  if (isUndefined(handler))
+    return false;
+
+  if (isFunction(handler)) {
+    switch (arguments.length) {
+      // fast cases
+      case 1:
+        handler.call(this);
+        break;
+      case 2:
+        handler.call(this, arguments[1]);
+        break;
+      case 3:
+        handler.call(this, arguments[1], arguments[2]);
+        break;
+      // slower
+      default:
+        args = Array.prototype.slice.call(arguments, 1);
+        handler.apply(this, args);
+    }
+  } else if (isObject(handler)) {
+    args = Array.prototype.slice.call(arguments, 1);
+    listeners = handler.slice();
+    len = listeners.length;
+    for (i = 0; i < len; i++)
+      listeners[i].apply(this, args);
+  }
+
+  return true;
+};
+
+EventEmitter.prototype.addListener = function(type, listener) {
+  var m;
+
+  if (!isFunction(listener))
+    throw TypeError('listener must be a function');
+
+  if (!this._events)
+    this._events = {};
+
+  // To avoid recursion in the case that type === "newListener"! Before
+  // adding it to the listeners, first emit "newListener".
+  if (this._events.newListener)
+    this.emit('newListener', type,
+              isFunction(listener.listener) ?
+              listener.listener : listener);
+
+  if (!this._events[type])
+    // Optimize the case of one listener. Don't need the extra array object.
+    this._events[type] = listener;
+  else if (isObject(this._events[type]))
+    // If we've already got an array, just append.
+    this._events[type].push(listener);
+  else
+    // Adding the second element, need to change to array.
+    this._events[type] = [this._events[type], listener];
+
+  // Check for listener leak
+  if (isObject(this._events[type]) && !this._events[type].warned) {
+    if (!isUndefined(this._maxListeners)) {
+      m = this._maxListeners;
+    } else {
+      m = EventEmitter.defaultMaxListeners;
+    }
+
+    if (m && m > 0 && this._events[type].length > m) {
+      this._events[type].warned = true;
+      console.error('(node) warning: possible EventEmitter memory ' +
+                    'leak detected. %d listeners added. ' +
+                    'Use emitter.setMaxListeners() to increase limit.',
+                    this._events[type].length);
+      if (typeof console.trace === 'function') {
+        // not supported in IE 10
+        console.trace();
+      }
+    }
+  }
+
+  return this;
+};
+
+EventEmitter.prototype.on = EventEmitter.prototype.addListener;
+
+EventEmitter.prototype.once = function(type, listener) {
+  if (!isFunction(listener))
+    throw TypeError('listener must be a function');
+
+  var fired = false;
+
+  function g() {
+    this.removeListener(type, g);
+
+    if (!fired) {
+      fired = true;
+      listener.apply(this, arguments);
+    }
+  }
+
+  g.listener = listener;
+  this.on(type, g);
+
+  return this;
+};
+
+// emits a 'removeListener' event iff the listener was removed
+EventEmitter.prototype.removeListener = function(type, listener) {
+  var list, position, length, i;
+
+  if (!isFunction(listener))
+    throw TypeError('listener must be a function');
+
+  if (!this._events || !this._events[type])
+    return this;
+
+  list = this._events[type];
+  length = list.length;
+  position = -1;
+
+  if (list === listener ||
+      (isFunction(list.listener) && list.listener === listener)) {
+    delete this._events[type];
+    if (this._events.removeListener)
+      this.emit('removeListener', type, listener);
+
+  } else if (isObject(list)) {
+    for (i = length; i-- > 0;) {
+      if (list[i] === listener ||
+          (list[i].listener && list[i].listener === listener)) {
+        position = i;
+        break;
+      }
+    }
+
+    if (position < 0)
+      return this;
+
+    if (list.length === 1) {
+      list.length = 0;
+      delete this._events[type];
+    } else {
+      list.splice(position, 1);
+    }
+
+    if (this._events.removeListener)
+      this.emit('removeListener', type, listener);
+  }
+
+  return this;
+};
+
+EventEmitter.prototype.removeAllListeners = function(type) {
+  var key, listeners;
+
+  if (!this._events)
+    return this;
+
+  // not listening for removeListener, no need to emit
+  if (!this._events.removeListener) {
+    if (arguments.length === 0)
+      this._events = {};
+    else if (this._events[type])
+      delete this._events[type];
+    return this;
+  }
+
+  // emit removeListener for all listeners on all events
+  if (arguments.length === 0) {
+    for (key in this._events) {
+      if (key === 'removeListener') continue;
+      this.removeAllListeners(key);
+    }
+    this.removeAllListeners('removeListener');
+    this._events = {};
+    return this;
+  }
+
+  listeners = this._events[type];
+
+  if (isFunction(listeners)) {
+    this.removeListener(type, listeners);
+  } else if (listeners) {
+    // LIFO order
+    while (listeners.length)
+      this.removeListener(type, listeners[listeners.length - 1]);
+  }
+  delete this._events[type];
+
+  return this;
+};
+
+EventEmitter.prototype.listeners = function(type) {
+  var ret;
+  if (!this._events || !this._events[type])
+    ret = [];
+  else if (isFunction(this._events[type]))
+    ret = [this._events[type]];
+  else
+    ret = this._events[type].slice();
+  return ret;
+};
+
+EventEmitter.prototype.listenerCount = function(type) {
+  if (this._events) {
+    var evlistener = this._events[type];
+
+    if (isFunction(evlistener))
+      return 1;
+    else if (evlistener)
+      return evlistener.length;
+  }
+  return 0;
+};
+
+EventEmitter.listenerCount = function(emitter, type) {
+  return emitter.listenerCount(type);
+};
+
+function isFunction(arg) {
+  return typeof arg === 'function';
+}
+
+function isNumber(arg) {
+  return typeof arg === 'number';
+}
+
+function isObject(arg) {
+  return typeof arg === 'object' && arg !== null;
+}
+
+function isUndefined(arg) {
+  return arg === void 0;
+}
+
+},{}],127:[function(require,module,exports){
+var Buffer = require('safe-buffer').Buffer
+var MD5 = require('md5.js')
+
+/* eslint-disable camelcase */
+function EVP_BytesToKey (password, salt, keyBits, ivLen) {
+  if (!Buffer.isBuffer(password)) password = Buffer.from(password, 'binary')
+  if (salt) {
+    if (!Buffer.isBuffer(salt)) salt = Buffer.from(salt, 'binary')
+    if (salt.length !== 8) throw new RangeError('salt should be Buffer with 8 byte length')
+  }
+
+  var keyLen = keyBits / 8
+  var key = Buffer.alloc(keyLen)
+  var iv = Buffer.alloc(ivLen || 0)
+  var tmp = Buffer.alloc(0)
+
+  while (keyLen > 0 || ivLen > 0) {
+    var hash = new MD5()
+    hash.update(tmp)
+    hash.update(password)
+    if (salt) hash.update(salt)
+    tmp = hash.digest()
+
+    var used = 0
+
+    if (keyLen > 0) {
+      var keyStart = key.length - keyLen
+      used = Math.min(keyLen, tmp.length)
+      tmp.copy(key, keyStart, 0, used)
+      keyLen -= used
+    }
+
+    if (used < tmp.length && ivLen > 0) {
+      var ivStart = iv.length - ivLen
+      var length = Math.min(ivLen, tmp.length - used)
+      tmp.copy(iv, ivStart, used, used + length)
+      ivLen -= length
+    }
+  }
+
+  tmp.fill(0)
+  return { key: key, iv: iv }
+}
+
+module.exports = EVP_BytesToKey
+
+},{"md5.js":149,"safe-buffer":195}],128:[function(require,module,exports){
+(function (Buffer){
+'use strict'
+var Transform = require('stream').Transform
+var inherits = require('inherits')
+
+function HashBase (blockSize) {
+  Transform.call(this)
+
+  this._block = new Buffer(blockSize)
+  this._blockSize = blockSize
+  this._blockOffset = 0
+  this._length = [0, 0, 0, 0]
+
+  this._finalized = false
+}
+
+inherits(HashBase, Transform)
+
+HashBase.prototype._transform = function (chunk, encoding, callback) {
+  var error = null
+  try {
+    if (encoding !== 'buffer') chunk = new Buffer(chunk, encoding)
+    this.update(chunk)
+  } catch (err) {
+    error = err
+  }
+
+  callback(error)
+}
+
+HashBase.prototype._flush = function (callback) {
+  var error = null
+  try {
+    this.push(this._digest())
+  } catch (err) {
+    error = err
+  }
+
+  callback(error)
+}
+
+HashBase.prototype.update = function (data, encoding) {
+  if (!Buffer.isBuffer(data) && typeof data !== 'string') throw new TypeError('Data must be a string or a buffer')
+  if (this._finalized) throw new Error('Digest already called')
+  if (!Buffer.isBuffer(data)) data = new Buffer(data, encoding || 'binary')
+
+  // consume data
+  var block = this._block
+  var offset = 0
+  while (this._blockOffset + data.length - offset >= this._blockSize) {
+    for (var i = this._blockOffset; i < this._blockSize;) block[i++] = data[offset++]
+    this._update()
+    this._blockOffset = 0
+  }
+  while (offset < data.length) block[this._blockOffset++] = data[offset++]
+
+  // update length
+  for (var j = 0, carry = data.length * 8; carry > 0; ++j) {
+    this._length[j] += carry
+    carry = (this._length[j] / 0x0100000000) | 0
+    if (carry > 0) this._length[j] -= 0x0100000000 * carry
+  }
+
+  return this
+}
+
+HashBase.prototype._update = function (data) {
+  throw new Error('_update is not implemented')
+}
+
+HashBase.prototype.digest = function (encoding) {
+  if (this._finalized) throw new Error('Digest already called')
+  this._finalized = true
+
+  var digest = this._digest()
+  if (encoding !== undefined) digest = digest.toString(encoding)
+  return digest
+}
+
+HashBase.prototype._digest = function () {
+  throw new Error('_digest is not implemented')
+}
+
+module.exports = HashBase
+
+}).call(this,require("buffer").Buffer)
+},{"buffer":70,"inherits":145,"stream":204}],129:[function(require,module,exports){
+var hash = exports;
+
+hash.utils = require('./hash/utils');
+hash.common = require('./hash/common');
+hash.sha = require('./hash/sha');
+hash.ripemd = require('./hash/ripemd');
+hash.hmac = require('./hash/hmac');
+
+// Proxy hash functions to the main object
+hash.sha1 = hash.sha.sha1;
+hash.sha256 = hash.sha.sha256;
+hash.sha224 = hash.sha.sha224;
+hash.sha384 = hash.sha.sha384;
+hash.sha512 = hash.sha.sha512;
+hash.ripemd160 = hash.ripemd.ripemd160;
+
+},{"./hash/common":130,"./hash/hmac":131,"./hash/ripemd":132,"./hash/sha":133,"./hash/utils":140}],130:[function(require,module,exports){
+'use strict';
+
+var utils = require('./utils');
+var assert = require('minimalistic-assert');
+
+function BlockHash() {
+  this.pending = null;
+  this.pendingTotal = 0;
+  this.blockSize = this.constructor.blockSize;
+  this.outSize = this.constructor.outSize;
+  this.hmacStrength = this.constructor.hmacStrength;
+  this.padLength = this.constructor.padLength / 8;
+  this.endian = 'big';
+
+  this._delta8 = this.blockSize / 8;
+  this._delta32 = this.blockSize / 32;
+}
+exports.BlockHash = BlockHash;
+
+BlockHash.prototype.update = function update(msg, enc) {
+  // Convert message to array, pad it, and join into 32bit blocks
+  msg = utils.toArray(msg, enc);
+  if (!this.pending)
+    this.pending = msg;
+  else
+    this.pending = this.pending.concat(msg);
+  this.pendingTotal += msg.length;
+
+  // Enough data, try updating
+  if (this.pending.length >= this._delta8) {
+    msg = this.pending;
+
+    // Process pending data in blocks
+    var r = msg.length % this._delta8;
+    this.pending = msg.slice(msg.length - r, msg.length);
+    if (this.pending.length === 0)
+      this.pending = null;
+
+    msg = utils.join32(msg, 0, msg.length - r, this.endian);
+    for (var i = 0; i < msg.length; i += this._delta32)
+      this._update(msg, i, i + this._delta32);
+  }
+
+  return this;
+};
+
+BlockHash.prototype.digest = function digest(enc) {
+  this.update(this._pad());
+  assert(this.pending === null);
+
+  return this._digest(enc);
+};
+
+BlockHash.prototype._pad = function pad() {
+  var len = this.pendingTotal;
+  var bytes = this._delta8;
+  var k = bytes - ((len + this.padLength) % bytes);
+  var res = new Array(k + this.padLength);
+  res[0] = 0x80;
+  for (var i = 1; i < k; i++)
+    res[i] = 0;
+
+  // Append length
+  len <<= 3;
+  if (this.endian === 'big') {
+    for (var t = 8; t < this.padLength; t++)
+      res[i++] = 0;
+
+    res[i++] = 0;
+    res[i++] = 0;
+    res[i++] = 0;
+    res[i++] = 0;
+    res[i++] = (len >>> 24) & 0xff;
+    res[i++] = (len >>> 16) & 0xff;
+    res[i++] = (len >>> 8) & 0xff;
+    res[i++] = len & 0xff;
+  } else {
+    res[i++] = len & 0xff;
+    res[i++] = (len >>> 8) & 0xff;
+    res[i++] = (len >>> 16) & 0xff;
+    res[i++] = (len >>> 24) & 0xff;
+    res[i++] = 0;
+    res[i++] = 0;
+    res[i++] = 0;
+    res[i++] = 0;
+
+    for (t = 8; t < this.padLength; t++)
+      res[i++] = 0;
+  }
+
+  return res;
+};
+
+},{"./utils":140,"minimalistic-assert":153}],131:[function(require,module,exports){
+'use strict';
+
+var utils = require('./utils');
+var assert = require('minimalistic-assert');
+
+function Hmac(hash, key, enc) {
+  if (!(this instanceof Hmac))
+    return new Hmac(hash, key, enc);
+  this.Hash = hash;
+  this.blockSize = hash.blockSize / 8;
+  this.outSize = hash.outSize / 8;
+  this.inner = null;
+  this.outer = null;
+
+  this._init(utils.toArray(key, enc));
+}
+module.exports = Hmac;
+
+Hmac.prototype._init = function init(key) {
+  // Shorten key, if needed
+  if (key.length > this.blockSize)
+    key = new this.Hash().update(key).digest();
+  assert(key.length <= this.blockSize);
+
+  // Add padding to key
+  for (var i = key.length; i < this.blockSize; i++)
+    key.push(0);
+
+  for (i = 0; i < key.length; i++)
+    key[i] ^= 0x36;
+  this.inner = new this.Hash().update(key);
+
+  // 0x36 ^ 0x5c = 0x6a
+  for (i = 0; i < key.length; i++)
+    key[i] ^= 0x6a;
+  this.outer = new this.Hash().update(key);
+};
+
+Hmac.prototype.update = function update(msg, enc) {
+  this.inner.update(msg, enc);
+  return this;
+};
+
+Hmac.prototype.digest = function digest(enc) {
+  this.outer.update(this.inner.digest());
+  return this.outer.digest(enc);
+};
+
+},{"./utils":140,"minimalistic-assert":153}],132:[function(require,module,exports){
+'use strict';
+
+var utils = require('./utils');
+var common = require('./common');
+
+var rotl32 = utils.rotl32;
+var sum32 = utils.sum32;
+var sum32_3 = utils.sum32_3;
+var sum32_4 = utils.sum32_4;
+var BlockHash = common.BlockHash;
+
+function RIPEMD160() {
+  if (!(this instanceof RIPEMD160))
+    return new RIPEMD160();
+
+  BlockHash.call(this);
+
+  this.h = [ 0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0 ];
+  this.endian = 'little';
+}
+utils.inherits(RIPEMD160, BlockHash);
+exports.ripemd160 = RIPEMD160;
+
+RIPEMD160.blockSize = 512;
+RIPEMD160.outSize = 160;
+RIPEMD160.hmacStrength = 192;
+RIPEMD160.padLength = 64;
+
+RIPEMD160.prototype._update = function update(msg, start) {
+  var A = this.h[0];
+  var B = this.h[1];
+  var C = this.h[2];
+  var D = this.h[3];
+  var E = this.h[4];
+  var Ah = A;
+  var Bh = B;
+  var Ch = C;
+  var Dh = D;
+  var Eh = E;
+  for (var j = 0; j < 80; j++) {
+    var T = sum32(
+      rotl32(
+        sum32_4(A, f(j, B, C, D), msg[r[j] + start], K(j)),
+        s[j]),
+      E);
+    A = E;
+    E = D;
+    D = rotl32(C, 10);
+    C = B;
+    B = T;
+    T = sum32(
+      rotl32(
+        sum32_4(Ah, f(79 - j, Bh, Ch, Dh), msg[rh[j] + start], Kh(j)),
+        sh[j]),
+      Eh);
+    Ah = Eh;
+    Eh = Dh;
+    Dh = rotl32(Ch, 10);
+    Ch = Bh;
+    Bh = T;
+  }
+  T = sum32_3(this.h[1], C, Dh);
+  this.h[1] = sum32_3(this.h[2], D, Eh);
+  this.h[2] = sum32_3(this.h[3], E, Ah);
+  this.h[3] = sum32_3(this.h[4], A, Bh);
+  this.h[4] = sum32_3(this.h[0], B, Ch);
+  this.h[0] = T;
+};
+
+RIPEMD160.prototype._digest = function digest(enc) {
+  if (enc === 'hex')
+    return utils.toHex32(this.h, 'little');
+  else
+    return utils.split32(this.h, 'little');
+};
+
+function f(j, x, y, z) {
+  if (j <= 15)
+    return x ^ y ^ z;
+  else if (j <= 31)
+    return (x & y) | ((~x) & z);
+  else if (j <= 47)
+    return (x | (~y)) ^ z;
+  else if (j <= 63)
+    return (x & z) | (y & (~z));
+  else
+    return x ^ (y | (~z));
+}
+
+function K(j) {
+  if (j <= 15)
+    return 0x00000000;
+  else if (j <= 31)
+    return 0x5a827999;
+  else if (j <= 47)
+    return 0x6ed9eba1;
+  else if (j <= 63)
+    return 0x8f1bbcdc;
+  else
+    return 0xa953fd4e;
+}
+
+function Kh(j) {
+  if (j <= 15)
+    return 0x50a28be6;
+  else if (j <= 31)
+    return 0x5c4dd124;
+  else if (j <= 47)
+    return 0x6d703ef3;
+  else if (j <= 63)
+    return 0x7a6d76e9;
+  else
+    return 0x00000000;
+}
+
+var r = [
+  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+  7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8,
+  3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12,
+  1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2,
+  4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13
+];
+
+var rh = [
+  5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12,
+  6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2,
+  15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13,
+  8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14,
+  12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11
+];
+
+var s = [
+  11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8,
+  7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12,
+  11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5,
+  11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12,
+  9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6
+];
+
+var sh = [
+  8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6,
+  9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11,
+  9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5,
+  15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8,
+  8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11
+];
+
+},{"./common":130,"./utils":140}],133:[function(require,module,exports){
+'use strict';
+
+exports.sha1 = require('./sha/1');
+exports.sha224 = require('./sha/224');
+exports.sha256 = require('./sha/256');
+exports.sha384 = require('./sha/384');
+exports.sha512 = require('./sha/512');
+
+},{"./sha/1":134,"./sha/224":135,"./sha/256":136,"./sha/384":137,"./sha/512":138}],134:[function(require,module,exports){
+'use strict';
+
+var utils = require('../utils');
+var common = require('../common');
+var shaCommon = require('./common');
+
+var rotl32 = utils.rotl32;
+var sum32 = utils.sum32;
+var sum32_5 = utils.sum32_5;
+var ft_1 = shaCommon.ft_1;
+var BlockHash = common.BlockHash;
+
+var sha1_K = [
+  0x5A827999, 0x6ED9EBA1,
+  0x8F1BBCDC, 0xCA62C1D6
+];
+
+function SHA1() {
+  if (!(this instanceof SHA1))
+    return new SHA1();
+
+  BlockHash.call(this);
+  this.h = [
+    0x67452301, 0xefcdab89, 0x98badcfe,
+    0x10325476, 0xc3d2e1f0 ];
+  this.W = new Array(80);
+}
+
+utils.inherits(SHA1, BlockHash);
+module.exports = SHA1;
+
+SHA1.blockSize = 512;
+SHA1.outSize = 160;
+SHA1.hmacStrength = 80;
+SHA1.padLength = 64;
+
+SHA1.prototype._update = function _update(msg, start) {
+  var W = this.W;
+
+  for (var i = 0; i < 16; i++)
+    W[i] = msg[start + i];
+
+  for(; i < W.length; i++)
+    W[i] = rotl32(W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16], 1);
+
+  var a = this.h[0];
+  var b = this.h[1];
+  var c = this.h[2];
+  var d = this.h[3];
+  var e = this.h[4];
+
+  for (i = 0; i < W.length; i++) {
+    var s = ~~(i / 20);
+    var t = sum32_5(rotl32(a, 5), ft_1(s, b, c, d), e, W[i], sha1_K[s]);
+    e = d;
+    d = c;
+    c = rotl32(b, 30);
+    b = a;
+    a = t;
+  }
+
+  this.h[0] = sum32(this.h[0], a);
+  this.h[1] = sum32(this.h[1], b);
+  this.h[2] = sum32(this.h[2], c);
+  this.h[3] = sum32(this.h[3], d);
+  this.h[4] = sum32(this.h[4], e);
+};
+
+SHA1.prototype._digest = function digest(enc) {
+  if (enc === 'hex')
+    return utils.toHex32(this.h, 'big');
+  else
+    return utils.split32(this.h, 'big');
+};
+
+},{"../common":130,"../utils":140,"./common":139}],135:[function(require,module,exports){
+'use strict';
+
+var utils = require('../utils');
+var SHA256 = require('./256');
+
+function SHA224() {
+  if (!(this instanceof SHA224))
+    return new SHA224();
+
+  SHA256.call(this);
+  this.h = [
+    0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939,
+    0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4 ];
+}
+utils.inherits(SHA224, SHA256);
+module.exports = SHA224;
+
+SHA224.blockSize = 512;
+SHA224.outSize = 224;
+SHA224.hmacStrength = 192;
+SHA224.padLength = 64;
+
+SHA224.prototype._digest = function digest(enc) {
+  // Just truncate output
+  if (enc === 'hex')
+    return utils.toHex32(this.h.slice(0, 7), 'big');
+  else
+    return utils.split32(this.h.slice(0, 7), 'big');
+};
+
+
+},{"../utils":140,"./256":136}],136:[function(require,module,exports){
+'use strict';
+
+var utils = require('../utils');
+var common = require('../common');
+var shaCommon = require('./common');
+var assert = require('minimalistic-assert');
+
+var sum32 = utils.sum32;
+var sum32_4 = utils.sum32_4;
+var sum32_5 = utils.sum32_5;
+var ch32 = shaCommon.ch32;
+var maj32 = shaCommon.maj32;
+var s0_256 = shaCommon.s0_256;
+var s1_256 = shaCommon.s1_256;
+var g0_256 = shaCommon.g0_256;
+var g1_256 = shaCommon.g1_256;
+
+var BlockHash = common.BlockHash;
+
+var sha256_K = [
+  0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
+  0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
+  0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
+  0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
+  0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
+  0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
+  0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
+  0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
+  0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
+  0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
+  0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
+  0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
+  0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
+  0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
+  0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
+  0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
+];
+
+function SHA256() {
+  if (!(this instanceof SHA256))
+    return new SHA256();
+
+  BlockHash.call(this);
+  this.h = [
+    0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,
+    0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19
+  ];
+  this.k = sha256_K;
+  this.W = new Array(64);
+}
+utils.inherits(SHA256, BlockHash);
+module.exports = SHA256;
+
+SHA256.blockSize = 512;
+SHA256.outSize = 256;
+SHA256.hmacStrength = 192;
+SHA256.padLength = 64;
+
+SHA256.prototype._update = function _update(msg, start) {
+  var W = this.W;
+
+  for (var i = 0; i < 16; i++)
+    W[i] = msg[start + i];
+  for (; i < W.length; i++)
+    W[i] = sum32_4(g1_256(W[i - 2]), W[i - 7], g0_256(W[i - 15]), W[i - 16]);
+
+  var a = this.h[0];
+  var b = this.h[1];
+  var c = this.h[2];
+  var d = this.h[3];
+  var e = this.h[4];
+  var f = this.h[5];
+  var g = this.h[6];
+  var h = this.h[7];
+
+  assert(this.k.length === W.length);
+  for (i = 0; i < W.length; i++) {
+    var T1 = sum32_5(h, s1_256(e), ch32(e, f, g), this.k[i], W[i]);
+    var T2 = sum32(s0_256(a), maj32(a, b, c));
+    h = g;
+    g = f;
+    f = e;
+    e = sum32(d, T1);
+    d = c;
+    c = b;
+    b = a;
+    a = sum32(T1, T2);
+  }
+
+  this.h[0] = sum32(this.h[0], a);
+  this.h[1] = sum32(this.h[1], b);
+  this.h[2] = sum32(this.h[2], c);
+  this.h[3] = sum32(this.h[3], d);
+  this.h[4] = sum32(this.h[4], e);
+  this.h[5] = sum32(this.h[5], f);
+  this.h[6] = sum32(this.h[6], g);
+  this.h[7] = sum32(this.h[7], h);
+};
+
+SHA256.prototype._digest = function digest(enc) {
+  if (enc === 'hex')
+    return utils.toHex32(this.h, 'big');
+  else
+    return utils.split32(this.h, 'big');
+};
+
+},{"../common":130,"../utils":140,"./common":139,"minimalistic-assert":153}],137:[function(require,module,exports){
+'use strict';
+
+var utils = require('../utils');
+
+var SHA512 = require('./512');
+
+function SHA384() {
+  if (!(this instanceof SHA384))
+    return new SHA384();
+
+  SHA512.call(this);
+  this.h = [
+    0xcbbb9d5d, 0xc1059ed8,
+    0x629a292a, 0x367cd507,
+    0x9159015a, 0x3070dd17,
+    0x152fecd8, 0xf70e5939,
+    0x67332667, 0xffc00b31,
+    0x8eb44a87, 0x68581511,
+    0xdb0c2e0d, 0x64f98fa7,
+    0x47b5481d, 0xbefa4fa4 ];
+}
+utils.inherits(SHA384, SHA512);
+module.exports = SHA384;
+
+SHA384.blockSize = 1024;
+SHA384.outSize = 384;
+SHA384.hmacStrength = 192;
+SHA384.padLength = 128;
+
+SHA384.prototype._digest = function digest(enc) {
+  if (enc === 'hex')
+    return utils.toHex32(this.h.slice(0, 12), 'big');
+  else
+    return utils.split32(this.h.slice(0, 12), 'big');
+};
+
+},{"../utils":140,"./512":138}],138:[function(require,module,exports){
+'use strict';
+
+var utils = require('../utils');
+var common = require('../common');
+var assert = require('minimalistic-assert');
+
+var rotr64_hi = utils.rotr64_hi;
+var rotr64_lo = utils.rotr64_lo;
+var shr64_hi = utils.shr64_hi;
+var shr64_lo = utils.shr64_lo;
+var sum64 = utils.sum64;
+var sum64_hi = utils.sum64_hi;
+var sum64_lo = utils.sum64_lo;
+var sum64_4_hi = utils.sum64_4_hi;
+var sum64_4_lo = utils.sum64_4_lo;
+var sum64_5_hi = utils.sum64_5_hi;
+var sum64_5_lo = utils.sum64_5_lo;
+
+var BlockHash = common.BlockHash;
+
+var sha512_K = [
+  0x428a2f98, 0xd728ae22, 0x71374491, 0x23ef65cd,
+  0xb5c0fbcf, 0xec4d3b2f, 0xe9b5dba5, 0x8189dbbc,
+  0x3956c25b, 0xf348b538, 0x59f111f1, 0xb605d019,
+  0x923f82a4, 0xaf194f9b, 0xab1c5ed5, 0xda6d8118,
+  0xd807aa98, 0xa3030242, 0x12835b01, 0x45706fbe,
+  0x243185be, 0x4ee4b28c, 0x550c7dc3, 0xd5ffb4e2,
+  0x72be5d74, 0xf27b896f, 0x80deb1fe, 0x3b1696b1,
+  0x9bdc06a7, 0x25c71235, 0xc19bf174, 0xcf692694,
+  0xe49b69c1, 0x9ef14ad2, 0xefbe4786, 0x384f25e3,
+  0x0fc19dc6, 0x8b8cd5b5, 0x240ca1cc, 0x77ac9c65,
+  0x2de92c6f, 0x592b0275, 0x4a7484aa, 0x6ea6e483,
+  0x5cb0a9dc, 0xbd41fbd4, 0x76f988da, 0x831153b5,
+  0x983e5152, 0xee66dfab, 0xa831c66d, 0x2db43210,
+  0xb00327c8, 0x98fb213f, 0xbf597fc7, 0xbeef0ee4,
+  0xc6e00bf3, 0x3da88fc2, 0xd5a79147, 0x930aa725,
+  0x06ca6351, 0xe003826f, 0x14292967, 0x0a0e6e70,
+  0x27b70a85, 0x46d22ffc, 0x2e1b2138, 0x5c26c926,
+  0x4d2c6dfc, 0x5ac42aed, 0x53380d13, 0x9d95b3df,
+  0x650a7354, 0x8baf63de, 0x766a0abb, 0x3c77b2a8,
+  0x81c2c92e, 0x47edaee6, 0x92722c85, 0x1482353b,
+  0xa2bfe8a1, 0x4cf10364, 0xa81a664b, 0xbc423001,
+  0xc24b8b70, 0xd0f89791, 0xc76c51a3, 0x0654be30,
+  0xd192e819, 0xd6ef5218, 0xd6990624, 0x5565a910,
+  0xf40e3585, 0x5771202a, 0x106aa070, 0x32bbd1b8,
+  0x19a4c116, 0xb8d2d0c8, 0x1e376c08, 0x5141ab53,
+  0x2748774c, 0xdf8eeb99, 0x34b0bcb5, 0xe19b48a8,
+  0x391c0cb3, 0xc5c95a63, 0x4ed8aa4a, 0xe3418acb,
+  0x5b9cca4f, 0x7763e373, 0x682e6ff3, 0xd6b2b8a3,
+  0x748f82ee, 0x5defb2fc, 0x78a5636f, 0x43172f60,
+  0x84c87814, 0xa1f0ab72, 0x8cc70208, 0x1a6439ec,
+  0x90befffa, 0x23631e28, 0xa4506ceb, 0xde82bde9,
+  0xbef9a3f7, 0xb2c67915, 0xc67178f2, 0xe372532b,
+  0xca273ece, 0xea26619c, 0xd186b8c7, 0x21c0c207,
+  0xeada7dd6, 0xcde0eb1e, 0xf57d4f7f, 0xee6ed178,
+  0x06f067aa, 0x72176fba, 0x0a637dc5, 0xa2c898a6,
+  0x113f9804, 0xbef90dae, 0x1b710b35, 0x131c471b,
+  0x28db77f5, 0x23047d84, 0x32caab7b, 0x40c72493,
+  0x3c9ebe0a, 0x15c9bebc, 0x431d67c4, 0x9c100d4c,
+  0x4cc5d4be, 0xcb3e42b6, 0x597f299c, 0xfc657e2a,
+  0x5fcb6fab, 0x3ad6faec, 0x6c44198c, 0x4a475817
+];
+
+function SHA512() {
+  if (!(this instanceof SHA512))
+    return new SHA512();
+
+  BlockHash.call(this);
+  this.h = [
+    0x6a09e667, 0xf3bcc908,
+    0xbb67ae85, 0x84caa73b,
+    0x3c6ef372, 0xfe94f82b,
+    0xa54ff53a, 0x5f1d36f1,
+    0x510e527f, 0xade682d1,
+    0x9b05688c, 0x2b3e6c1f,
+    0x1f83d9ab, 0xfb41bd6b,
+    0x5be0cd19, 0x137e2179 ];
+  this.k = sha512_K;
+  this.W = new Array(160);
+}
+utils.inherits(SHA512, BlockHash);
+module.exports = SHA512;
+
+SHA512.blockSize = 1024;
+SHA512.outSize = 512;
+SHA512.hmacStrength = 192;
+SHA512.padLength = 128;
+
+SHA512.prototype._prepareBlock = function _prepareBlock(msg, start) {
+  var W = this.W;
+
+  // 32 x 32bit words
+  for (var i = 0; i < 32; i++)
+    W[i] = msg[start + i];
+  for (; i < W.length; i += 2) {
+    var c0_hi = g1_512_hi(W[i - 4], W[i - 3]);  // i - 2
+    var c0_lo = g1_512_lo(W[i - 4], W[i - 3]);
+    var c1_hi = W[i - 14];  // i - 7
+    var c1_lo = W[i - 13];
+    var c2_hi = g0_512_hi(W[i - 30], W[i - 29]);  // i - 15
+    var c2_lo = g0_512_lo(W[i - 30], W[i - 29]);
+    var c3_hi = W[i - 32];  // i - 16
+    var c3_lo = W[i - 31];
+
+    W[i] = sum64_4_hi(
+      c0_hi, c0_lo,
+      c1_hi, c1_lo,
+      c2_hi, c2_lo,
+      c3_hi, c3_lo);
+    W[i + 1] = sum64_4_lo(
+      c0_hi, c0_lo,
+      c1_hi, c1_lo,
+      c2_hi, c2_lo,
+      c3_hi, c3_lo);
+  }
+};
+
+SHA512.prototype._update = function _update(msg, start) {
+  this._prepareBlock(msg, start);
+
+  var W = this.W;
+
+  var ah = this.h[0];
+  var al = this.h[1];
+  var bh = this.h[2];
+  var bl = this.h[3];
+  var ch = this.h[4];
+  var cl = this.h[5];
+  var dh = this.h[6];
+  var dl = this.h[7];
+  var eh = this.h[8];
+  var el = this.h[9];
+  var fh = this.h[10];
+  var fl = this.h[11];
+  var gh = this.h[12];
+  var gl = this.h[13];
+  var hh = this.h[14];
+  var hl = this.h[15];
+
+  assert(this.k.length === W.length);
+  for (var i = 0; i < W.length; i += 2) {
+    var c0_hi = hh;
+    var c0_lo = hl;
+    var c1_hi = s1_512_hi(eh, el);
+    var c1_lo = s1_512_lo(eh, el);
+    var c2_hi = ch64_hi(eh, el, fh, fl, gh, gl);
+    var c2_lo = ch64_lo(eh, el, fh, fl, gh, gl);
+    var c3_hi = this.k[i];
+    var c3_lo = this.k[i + 1];
+    var c4_hi = W[i];
+    var c4_lo = W[i + 1];
+
+    var T1_hi = sum64_5_hi(
+      c0_hi, c0_lo,
+      c1_hi, c1_lo,
+      c2_hi, c2_lo,
+      c3_hi, c3_lo,
+      c4_hi, c4_lo);
+    var T1_lo = sum64_5_lo(
+      c0_hi, c0_lo,
+      c1_hi, c1_lo,
+      c2_hi, c2_lo,
+      c3_hi, c3_lo,
+      c4_hi, c4_lo);
+
+    c0_hi = s0_512_hi(ah, al);
+    c0_lo = s0_512_lo(ah, al);
+    c1_hi = maj64_hi(ah, al, bh, bl, ch, cl);
+    c1_lo = maj64_lo(ah, al, bh, bl, ch, cl);
+
+    var T2_hi = sum64_hi(c0_hi, c0_lo, c1_hi, c1_lo);
+    var T2_lo = sum64_lo(c0_hi, c0_lo, c1_hi, c1_lo);
+
+    hh = gh;
+    hl = gl;
+
+    gh = fh;
+    gl = fl;
+
+    fh = eh;
+    fl = el;
+
+    eh = sum64_hi(dh, dl, T1_hi, T1_lo);
+    el = sum64_lo(dl, dl, T1_hi, T1_lo);
+
+    dh = ch;
+    dl = cl;
+
+    ch = bh;
+    cl = bl;
+
+    bh = ah;
+    bl = al;
+
+    ah = sum64_hi(T1_hi, T1_lo, T2_hi, T2_lo);
+    al = sum64_lo(T1_hi, T1_lo, T2_hi, T2_lo);
+  }
+
+  sum64(this.h, 0, ah, al);
+  sum64(this.h, 2, bh, bl);
+  sum64(this.h, 4, ch, cl);
+  sum64(this.h, 6, dh, dl);
+  sum64(this.h, 8, eh, el);
+  sum64(this.h, 10, fh, fl);
+  sum64(this.h, 12, gh, gl);
+  sum64(this.h, 14, hh, hl);
+};
+
+SHA512.prototype._digest = function digest(enc) {
+  if (enc === 'hex')
+    return utils.toHex32(this.h, 'big');
+  else
+    return utils.split32(this.h, 'big');
+};
+
+function ch64_hi(xh, xl, yh, yl, zh) {
+  var r = (xh & yh) ^ ((~xh) & zh);
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function ch64_lo(xh, xl, yh, yl, zh, zl) {
+  var r = (xl & yl) ^ ((~xl) & zl);
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function maj64_hi(xh, xl, yh, yl, zh) {
+  var r = (xh & yh) ^ (xh & zh) ^ (yh & zh);
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function maj64_lo(xh, xl, yh, yl, zh, zl) {
+  var r = (xl & yl) ^ (xl & zl) ^ (yl & zl);
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function s0_512_hi(xh, xl) {
+  var c0_hi = rotr64_hi(xh, xl, 28);
+  var c1_hi = rotr64_hi(xl, xh, 2);  // 34
+  var c2_hi = rotr64_hi(xl, xh, 7);  // 39
+
+  var r = c0_hi ^ c1_hi ^ c2_hi;
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function s0_512_lo(xh, xl) {
+  var c0_lo = rotr64_lo(xh, xl, 28);
+  var c1_lo = rotr64_lo(xl, xh, 2);  // 34
+  var c2_lo = rotr64_lo(xl, xh, 7);  // 39
+
+  var r = c0_lo ^ c1_lo ^ c2_lo;
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function s1_512_hi(xh, xl) {
+  var c0_hi = rotr64_hi(xh, xl, 14);
+  var c1_hi = rotr64_hi(xh, xl, 18);
+  var c2_hi = rotr64_hi(xl, xh, 9);  // 41
+
+  var r = c0_hi ^ c1_hi ^ c2_hi;
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function s1_512_lo(xh, xl) {
+  var c0_lo = rotr64_lo(xh, xl, 14);
+  var c1_lo = rotr64_lo(xh, xl, 18);
+  var c2_lo = rotr64_lo(xl, xh, 9);  // 41
+
+  var r = c0_lo ^ c1_lo ^ c2_lo;
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function g0_512_hi(xh, xl) {
+  var c0_hi = rotr64_hi(xh, xl, 1);
+  var c1_hi = rotr64_hi(xh, xl, 8);
+  var c2_hi = shr64_hi(xh, xl, 7);
+
+  var r = c0_hi ^ c1_hi ^ c2_hi;
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function g0_512_lo(xh, xl) {
+  var c0_lo = rotr64_lo(xh, xl, 1);
+  var c1_lo = rotr64_lo(xh, xl, 8);
+  var c2_lo = shr64_lo(xh, xl, 7);
+
+  var r = c0_lo ^ c1_lo ^ c2_lo;
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function g1_512_hi(xh, xl) {
+  var c0_hi = rotr64_hi(xh, xl, 19);
+  var c1_hi = rotr64_hi(xl, xh, 29);  // 61
+  var c2_hi = shr64_hi(xh, xl, 6);
+
+  var r = c0_hi ^ c1_hi ^ c2_hi;
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function g1_512_lo(xh, xl) {
+  var c0_lo = rotr64_lo(xh, xl, 19);
+  var c1_lo = rotr64_lo(xl, xh, 29);  // 61
+  var c2_lo = shr64_lo(xh, xl, 6);
+
+  var r = c0_lo ^ c1_lo ^ c2_lo;
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+},{"../common":130,"../utils":140,"minimalistic-assert":153}],139:[function(require,module,exports){
+'use strict';
+
+var utils = require('../utils');
+var rotr32 = utils.rotr32;
+
+function ft_1(s, x, y, z) {
+  if (s === 0)
+    return ch32(x, y, z);
+  if (s === 1 || s === 3)
+    return p32(x, y, z);
+  if (s === 2)
+    return maj32(x, y, z);
+}
+exports.ft_1 = ft_1;
+
+function ch32(x, y, z) {
+  return (x & y) ^ ((~x) & z);
+}
+exports.ch32 = ch32;
+
+function maj32(x, y, z) {
+  return (x & y) ^ (x & z) ^ (y & z);
+}
+exports.maj32 = maj32;
+
+function p32(x, y, z) {
+  return x ^ y ^ z;
+}
+exports.p32 = p32;
+
+function s0_256(x) {
+  return rotr32(x, 2) ^ rotr32(x, 13) ^ rotr32(x, 22);
+}
+exports.s0_256 = s0_256;
+
+function s1_256(x) {
+  return rotr32(x, 6) ^ rotr32(x, 11) ^ rotr32(x, 25);
+}
+exports.s1_256 = s1_256;
+
+function g0_256(x) {
+  return rotr32(x, 7) ^ rotr32(x, 18) ^ (x >>> 3);
+}
+exports.g0_256 = g0_256;
+
+function g1_256(x) {
+  return rotr32(x, 17) ^ rotr32(x, 19) ^ (x >>> 10);
+}
+exports.g1_256 = g1_256;
+
+},{"../utils":140}],140:[function(require,module,exports){
+'use strict';
+
+var assert = require('minimalistic-assert');
+var inherits = require('inherits');
+
+exports.inherits = inherits;
+
+function toArray(msg, enc) {
+  if (Array.isArray(msg))
+    return msg.slice();
+  if (!msg)
+    return [];
+  var res = [];
+  if (typeof msg === 'string') {
+    if (!enc) {
+      for (var i = 0; i < msg.length; i++) {
+        var c = msg.charCodeAt(i);
+        var hi = c >> 8;
+        var lo = c & 0xff;
+        if (hi)
+          res.push(hi, lo);
+        else
+          res.push(lo);
+      }
+    } else if (enc === 'hex') {
+      msg = msg.replace(/[^a-z0-9]+/ig, '');
+      if (msg.length % 2 !== 0)
+        msg = '0' + msg;
+      for (i = 0; i < msg.length; i += 2)
+        res.push(parseInt(msg[i] + msg[i + 1], 16));
+    }
+  } else {
+    for (i = 0; i < msg.length; i++)
+      res[i] = msg[i] | 0;
+  }
+  return res;
+}
+exports.toArray = toArray;
+
+function toHex(msg) {
+  var res = '';
+  for (var i = 0; i < msg.length; i++)
+    res += zero2(msg[i].toString(16));
+  return res;
+}
+exports.toHex = toHex;
+
+function htonl(w) {
+  var res = (w >>> 24) |
+            ((w >>> 8) & 0xff00) |
+            ((w << 8) & 0xff0000) |
+            ((w & 0xff) << 24);
+  return res >>> 0;
+}
+exports.htonl = htonl;
+
+function toHex32(msg, endian) {
+  var res = '';
+  for (var i = 0; i < msg.length; i++) {
+    var w = msg[i];
+    if (endian === 'little')
+      w = htonl(w);
+    res += zero8(w.toString(16));
+  }
+  return res;
+}
+exports.toHex32 = toHex32;
+
+function zero2(word) {
+  if (word.length === 1)
+    return '0' + word;
+  else
+    return word;
+}
+exports.zero2 = zero2;
+
+function zero8(word) {
+  if (word.length === 7)
+    return '0' + word;
+  else if (word.length === 6)
+    return '00' + word;
+  else if (word.length === 5)
+    return '000' + word;
+  else if (word.length === 4)
+    return '0000' + word;
+  else if (word.length === 3)
+    return '00000' + word;
+  else if (word.length === 2)
+    return '000000' + word;
+  else if (word.length === 1)
+    return '0000000' + word;
+  else
+    return word;
+}
+exports.zero8 = zero8;
+
+function join32(msg, start, end, endian) {
+  var len = end - start;
+  assert(len % 4 === 0);
+  var res = new Array(len / 4);
+  for (var i = 0, k = start; i < res.length; i++, k += 4) {
+    var w;
+    if (endian === 'big')
+      w = (msg[k] << 24) | (msg[k + 1] << 16) | (msg[k + 2] << 8) | msg[k + 3];
+    else
+      w = (msg[k + 3] << 24) | (msg[k + 2] << 16) | (msg[k + 1] << 8) | msg[k];
+    res[i] = w >>> 0;
+  }
+  return res;
+}
+exports.join32 = join32;
+
+function split32(msg, endian) {
+  var res = new Array(msg.length * 4);
+  for (var i = 0, k = 0; i < msg.length; i++, k += 4) {
+    var m = msg[i];
+    if (endian === 'big') {
+      res[k] = m >>> 24;
+      res[k + 1] = (m >>> 16) & 0xff;
+      res[k + 2] = (m >>> 8) & 0xff;
+      res[k + 3] = m & 0xff;
+    } else {
+      res[k + 3] = m >>> 24;
+      res[k + 2] = (m >>> 16) & 0xff;
+      res[k + 1] = (m >>> 8) & 0xff;
+      res[k] = m & 0xff;
+    }
+  }
+  return res;
+}
+exports.split32 = split32;
+
+function rotr32(w, b) {
+  return (w >>> b) | (w << (32 - b));
+}
+exports.rotr32 = rotr32;
+
+function rotl32(w, b) {
+  return (w << b) | (w >>> (32 - b));
+}
+exports.rotl32 = rotl32;
+
+function sum32(a, b) {
+  return (a + b) >>> 0;
+}
+exports.sum32 = sum32;
+
+function sum32_3(a, b, c) {
+  return (a + b + c) >>> 0;
+}
+exports.sum32_3 = sum32_3;
+
+function sum32_4(a, b, c, d) {
+  return (a + b + c + d) >>> 0;
+}
+exports.sum32_4 = sum32_4;
+
+function sum32_5(a, b, c, d, e) {
+  return (a + b + c + d + e) >>> 0;
+}
+exports.sum32_5 = sum32_5;
+
+function sum64(buf, pos, ah, al) {
+  var bh = buf[pos];
+  var bl = buf[pos + 1];
+
+  var lo = (al + bl) >>> 0;
+  var hi = (lo < al ? 1 : 0) + ah + bh;
+  buf[pos] = hi >>> 0;
+  buf[pos + 1] = lo;
+}
+exports.sum64 = sum64;
+
+function sum64_hi(ah, al, bh, bl) {
+  var lo = (al + bl) >>> 0;
+  var hi = (lo < al ? 1 : 0) + ah + bh;
+  return hi >>> 0;
+}
+exports.sum64_hi = sum64_hi;
+
+function sum64_lo(ah, al, bh, bl) {
+  var lo = al + bl;
+  return lo >>> 0;
+}
+exports.sum64_lo = sum64_lo;
+
+function sum64_4_hi(ah, al, bh, bl, ch, cl, dh, dl) {
+  var carry = 0;
+  var lo = al;
+  lo = (lo + bl) >>> 0;
+  carry += lo < al ? 1 : 0;
+  lo = (lo + cl) >>> 0;
+  carry += lo < cl ? 1 : 0;
+  lo = (lo + dl) >>> 0;
+  carry += lo < dl ? 1 : 0;
+
+  var hi = ah + bh + ch + dh + carry;
+  return hi >>> 0;
+}
+exports.sum64_4_hi = sum64_4_hi;
+
+function sum64_4_lo(ah, al, bh, bl, ch, cl, dh, dl) {
+  var lo = al + bl + cl + dl;
+  return lo >>> 0;
+}
+exports.sum64_4_lo = sum64_4_lo;
+
+function sum64_5_hi(ah, al, bh, bl, ch, cl, dh, dl, eh, el) {
+  var carry = 0;
+  var lo = al;
+  lo = (lo + bl) >>> 0;
+  carry += lo < al ? 1 : 0;
+  lo = (lo + cl) >>> 0;
+  carry += lo < cl ? 1 : 0;
+  lo = (lo + dl) >>> 0;
+  carry += lo < dl ? 1 : 0;
+  lo = (lo + el) >>> 0;
+  carry += lo < el ? 1 : 0;
+
+  var hi = ah + bh + ch + dh + eh + carry;
+  return hi >>> 0;
+}
+exports.sum64_5_hi = sum64_5_hi;
+
+function sum64_5_lo(ah, al, bh, bl, ch, cl, dh, dl, eh, el) {
+  var lo = al + bl + cl + dl + el;
+
+  return lo >>> 0;
+}
+exports.sum64_5_lo = sum64_5_lo;
+
+function rotr64_hi(ah, al, num) {
+  var r = (al << (32 - num)) | (ah >>> num);
+  return r >>> 0;
+}
+exports.rotr64_hi = rotr64_hi;
+
+function rotr64_lo(ah, al, num) {
+  var r = (ah << (32 - num)) | (al >>> num);
+  return r >>> 0;
+}
+exports.rotr64_lo = rotr64_lo;
+
+function shr64_hi(ah, al, num) {
+  return ah >>> num;
+}
+exports.shr64_hi = shr64_hi;
+
+function shr64_lo(ah, al, num) {
+  var r = (ah << (32 - num)) | (al >>> num);
+  return r >>> 0;
+}
+exports.shr64_lo = shr64_lo;
+
+},{"inherits":141,"minimalistic-assert":153}],141:[function(require,module,exports){
+if (typeof Object.create === 'function') {
+  // implementation from standard node.js 'util' module
+  module.exports = function inherits(ctor, superCtor) {
+    ctor.super_ = superCtor
+    ctor.prototype = Object.create(superCtor.prototype, {
+      constructor: {
+        value: ctor,
+        enumerable: false,
+        writable: true,
+        configurable: true
+      }
+    });
+  };
+} else {
+  // old school shim for old browsers
+  module.exports = function inherits(ctor, superCtor) {
+    ctor.super_ = superCtor
+    var TempCtor = function () {}
+    TempCtor.prototype = superCtor.prototype
+    ctor.prototype = new TempCtor()
+    ctor.prototype.constructor = ctor
+  }
+}
+
+},{}],142:[function(require,module,exports){
+'use strict';
+
+var hash = require('hash.js');
+var utils = require('minimalistic-crypto-utils');
+var assert = require('minimalistic-assert');
+
+function HmacDRBG(options) {
+  if (!(this instanceof HmacDRBG))
+    return new HmacDRBG(options);
+  this.hash = options.hash;
+  this.predResist = !!options.predResist;
+
+  this.outLen = this.hash.outSize;
+  this.minEntropy = options.minEntropy || this.hash.hmacStrength;
+
+  this._reseed = null;
+  this.reseedInterval = null;
+  this.K = null;
+  this.V = null;
+
+  var entropy = utils.toArray(options.entropy, options.entropyEnc || 'hex');
+  var nonce = utils.toArray(options.nonce, options.nonceEnc || 'hex');
+  var pers = utils.toArray(options.pers, options.persEnc || 'hex');
+  assert(entropy.length >= (this.minEntropy / 8),
+         'Not enough entropy. Minimum is: ' + this.minEntropy + ' bits');
+  this._init(entropy, nonce, pers);
+}
+module.exports = HmacDRBG;
+
+HmacDRBG.prototype._init = function init(entropy, nonce, pers) {
+  var seed = entropy.concat(nonce).concat(pers);
+
+  this.K = new Array(this.outLen / 8);
+  this.V = new Array(this.outLen / 8);
+  for (var i = 0; i < this.V.length; i++) {
+    this.K[i] = 0x00;
+    this.V[i] = 0x01;
+  }
+
+  this._update(seed);
+  this._reseed = 1;
+  this.reseedInterval = 0x1000000000000;  // 2^48
+};
+
+HmacDRBG.prototype._hmac = function hmac() {
+  return new hash.hmac(this.hash, this.K);
+};
+
+HmacDRBG.prototype._update = function update(seed) {
+  var kmac = this._hmac()
+                 .update(this.V)
+                 .update([ 0x00 ]);
+  if (seed)
+    kmac = kmac.update(seed);
+  this.K = kmac.digest();
+  this.V = this._hmac().update(this.V).digest();
+  if (!seed)
+    return;
+
+  this.K = this._hmac()
+               .update(this.V)
+               .update([ 0x01 ])
+               .update(seed)
+               .digest();
+  this.V = this._hmac().update(this.V).digest();
+};
+
+HmacDRBG.prototype.reseed = function reseed(entropy, entropyEnc, add, addEnc) {
+  // Optional entropy enc
+  if (typeof entropyEnc !== 'string') {
+    addEnc = add;
+    add = entropyEnc;
+    entropyEnc = null;
+  }
+
+  entropy = utils.toArray(entropy, entropyEnc);
+  add = utils.toArray(add, addEnc);
+
+  assert(entropy.length >= (this.minEntropy / 8),
+         'Not enough entropy. Minimum is: ' + this.minEntropy + ' bits');
+
+  this._update(entropy.concat(add || []));
+  this._reseed = 1;
+};
+
+HmacDRBG.prototype.generate = function generate(len, enc, add, addEnc) {
+  if (this._reseed > this.reseedInterval)
+    throw new Error('Reseed is required');
+
+  // Optional encoding
+  if (typeof enc !== 'string') {
+    addEnc = add;
+    add = enc;
+    enc = null;
+  }
+
+  // Optional additional data
+  if (add) {
+    add = utils.toArray(add, addEnc || 'hex');
+    this._update(add);
+  }
+
+  var temp = [];
+  while (temp.length < len) {
+    this.V = this._hmac().update(this.V).digest();
+    temp = temp.concat(this.V);
+  }
+
+  var res = temp.slice(0, len);
+  this._update(add);
+  this._reseed++;
+  return utils.encode(res, enc);
+};
+
+},{"hash.js":129,"minimalistic-assert":153,"minimalistic-crypto-utils":154}],143:[function(require,module,exports){
+exports.read = function (buffer, offset, isLE, mLen, nBytes) {
+  var e, m
+  var eLen = nBytes * 8 - mLen - 1
+  var eMax = (1 << eLen) - 1
+  var eBias = eMax >> 1
+  var nBits = -7
+  var i = isLE ? (nBytes - 1) : 0
+  var d = isLE ? -1 : 1
+  var s = buffer[offset + i]
+
+  i += d
+
+  e = s & ((1 << (-nBits)) - 1)
+  s >>= (-nBits)
+  nBits += eLen
+  for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}
+
+  m = e & ((1 << (-nBits)) - 1)
+  e >>= (-nBits)
+  nBits += mLen
+  for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}
+
+  if (e === 0) {
+    e = 1 - eBias
+  } else if (e === eMax) {
+    return m ? NaN : ((s ? -1 : 1) * Infinity)
+  } else {
+    m = m + Math.pow(2, mLen)
+    e = e - eBias
+  }
+  return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
+}
+
+exports.write = function (buffer, value, offset, isLE, mLen, nBytes) {
+  var e, m, c
+  var eLen = nBytes * 8 - mLen - 1
+  var eMax = (1 << eLen) - 1
+  var eBias = eMax >> 1
+  var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)
+  var i = isLE ? 0 : (nBytes - 1)
+  var d = isLE ? 1 : -1
+  var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0
+
+  value = Math.abs(value)
+
+  if (isNaN(value) || value === Infinity) {
+    m = isNaN(value) ? 1 : 0
+    e = eMax
+  } else {
+    e = Math.floor(Math.log(value) / Math.LN2)
+    if (value * (c = Math.pow(2, -e)) < 1) {
+      e--
+      c *= 2
+    }
+    if (e + eBias >= 1) {
+      value += rt / c
+    } else {
+      value += rt * Math.pow(2, 1 - eBias)
+    }
+    if (value * c >= 2) {
+      e++
+      c /= 2
+    }
+
+    if (e + eBias >= eMax) {
+      m = 0
+      e = eMax
+    } else if (e + eBias >= 1) {
+      m = (value * c - 1) * Math.pow(2, mLen)
+      e = e + eBias
+    } else {
+      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)
+      e = 0
+    }
+  }
+
+  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}
+
+  e = (e << mLen) | m
+  eLen += mLen
+  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}
+
+  buffer[offset + i - d] |= s * 128
+}
+
+},{}],144:[function(require,module,exports){
+
+var indexOf = [].indexOf;
+
+module.exports = function(arr, obj){
+  if (indexOf) return arr.indexOf(obj);
+  for (var i = 0; i < arr.length; ++i) {
+    if (arr[i] === obj) return i;
+  }
+  return -1;
+};
+},{}],145:[function(require,module,exports){
+arguments[4][141][0].apply(exports,arguments)
+},{"dup":141}],146:[function(require,module,exports){
+/*!
+ * Determine if an object is a Buffer
+ *
+ * @author   Feross Aboukhadijeh <https://feross.org>
+ * @license  MIT
+ */
+
+// The _isBuffer check is for Safari 5-7 support, because it's missing
+// Object.prototype.constructor. Remove this eventually
+module.exports = function (obj) {
+  return obj != null && (isBuffer(obj) || isSlowBuffer(obj) || !!obj._isBuffer)
+}
+
+function isBuffer (obj) {
+  return !!obj.constructor && typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj)
+}
+
+// For Node v0.10 support. Remove this eventually.
+function isSlowBuffer (obj) {
+  return typeof obj.readFloatLE === 'function' && typeof obj.slice === 'function' && isBuffer(obj.slice(0, 0))
+}
+
+},{}],147:[function(require,module,exports){
+var toString = {}.toString;
+
+module.exports = Array.isArray || function (arr) {
+  return toString.call(arr) == '[object Array]';
+};
+
+},{}],148:[function(require,module,exports){
+(function (global){
+/**
+ * @license
+ * Lodash <https://lodash.com/>
+ * Copyright JS Foundation and other contributors <https://js.foundation/>
+ * Released under MIT license <https://lodash.com/license>
+ * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
+ * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+ */
+;(function() {
+
+  /** Used as a safe reference for `undefined` in pre-ES5 environments. */
+  var undefined;
+
+  /** Used as the semantic version number. */
+  var VERSION = '4.17.4';
+
+  /** Used as the size to enable large array optimizations. */
+  var LARGE_ARRAY_SIZE = 200;
+
+  /** Error message constants. */
+  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',
+      FUNC_ERROR_TEXT = 'Expected a function';
+
+  /** Used to stand-in for `undefined` hash values. */
+  var HASH_UNDEFINED = '__lodash_hash_undefined__';
+
+  /** Used as the maximum memoize cache size. */
+  var MAX_MEMOIZE_SIZE = 500;
+
+  /** Used as the internal argument placeholder. */
+  var PLACEHOLDER = '__lodash_placeholder__';
+
+  /** Used to compose bitmasks for cloning. */
+  var CLONE_DEEP_FLAG = 1,
+      CLONE_FLAT_FLAG = 2,
+      CLONE_SYMBOLS_FLAG = 4;
+
+  /** Used to compose bitmasks for value comparisons. */
+  var COMPARE_PARTIAL_FLAG = 1,
+      COMPARE_UNORDERED_FLAG = 2;
+
+  /** Used to compose bitmasks for function metadata. */
+  var WRAP_BIND_FLAG = 1,
+      WRAP_BIND_KEY_FLAG = 2,
+      WRAP_CURRY_BOUND_FLAG = 4,
+      WRAP_CURRY_FLAG = 8,
+      WRAP_CURRY_RIGHT_FLAG = 16,
+      WRAP_PARTIAL_FLAG = 32,
+      WRAP_PARTIAL_RIGHT_FLAG = 64,
+      WRAP_ARY_FLAG = 128,
+      WRAP_REARG_FLAG = 256,
+      WRAP_FLIP_FLAG = 512;
+
+  /** Used as default options for `_.truncate`. */
+  var DEFAULT_TRUNC_LENGTH = 30,
+      DEFAULT_TRUNC_OMISSION = '...';
+
+  /** Used to detect hot functions by number of calls within a span of milliseconds. */
+  var HOT_COUNT = 800,
+      HOT_SPAN = 16;
+
+  /** Used to indicate the type of lazy iteratees. */
+  var LAZY_FILTER_FLAG = 1,
+      LAZY_MAP_FLAG = 2,
+      LAZY_WHILE_FLAG = 3;
+
+  /** Used as references for various `Number` constants. */
+  var INFINITY = 1 / 0,
+      MAX_SAFE_INTEGER = 9007199254740991,
+      MAX_INTEGER = 1.7976931348623157e+308,
+      NAN = 0 / 0;
+
+  /** Used as references for the maximum length and index of an array. */
+  var MAX_ARRAY_LENGTH = 4294967295,
+      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,
+      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;
+
+  /** Used to associate wrap methods with their bit flags. */
+  var wrapFlags = [
+    ['ary', WRAP_ARY_FLAG],
+    ['bind', WRAP_BIND_FLAG],
+    ['bindKey', WRAP_BIND_KEY_FLAG],
+    ['curry', WRAP_CURRY_FLAG],
+    ['curryRight', WRAP_CURRY_RIGHT_FLAG],
+    ['flip', WRAP_FLIP_FLAG],
+    ['partial', WRAP_PARTIAL_FLAG],
+    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],
+    ['rearg', WRAP_REARG_FLAG]
+  ];
+
+  /** `Object#toString` result references. */
+  var argsTag = '[object Arguments]',
+      arrayTag = '[object Array]',
+      asyncTag = '[object AsyncFunction]',
+      boolTag = '[object Boolean]',
+      dateTag = '[object Date]',
+      domExcTag = '[object DOMException]',
+      errorTag = '[object Error]',
+      funcTag = '[object Function]',
+      genTag = '[object GeneratorFunction]',
+      mapTag = '[object Map]',
+      numberTag = '[object Number]',
+      nullTag = '[object Null]',
+      objectTag = '[object Object]',
+      promiseTag = '[object Promise]',
+      proxyTag = '[object Proxy]',
+      regexpTag = '[object RegExp]',
+      setTag = '[object Set]',
+      stringTag = '[object String]',
+      symbolTag = '[object Symbol]',
+      undefinedTag = '[object Undefined]',
+      weakMapTag = '[object WeakMap]',
+      weakSetTag = '[object WeakSet]';
+
+  var arrayBufferTag = '[object ArrayBuffer]',
+      dataViewTag = '[object DataView]',
+      float32Tag = '[object Float32Array]',
+      float64Tag = '[object Float64Array]',
+      int8Tag = '[object Int8Array]',
+      int16Tag = '[object Int16Array]',
+      int32Tag = '[object Int32Array]',
+      uint8Tag = '[object Uint8Array]',
+      uint8ClampedTag = '[object Uint8ClampedArray]',
+      uint16Tag = '[object Uint16Array]',
+      uint32Tag = '[object Uint32Array]';
+
+  /** Used to match empty string literals in compiled template source. */
+  var reEmptyStringLeading = /\b__p \+= '';/g,
+      reEmptyStringMiddle = /\b(__p \+=) '' \+/g,
+      reEmptyStringTrailing = /(__e\(.*?\)|\b__t\)) \+\n'';/g;
+
+  /** Used to match HTML entities and HTML characters. */
+  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,
+      reUnescapedHtml = /[&<>"']/g,
+      reHasEscapedHtml = RegExp(reEscapedHtml.source),
+      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);
+
+  /** Used to match template delimiters. */
+  var reEscape = /<%-([\s\S]+?)%>/g,
+      reEvaluate = /<%([\s\S]+?)%>/g,
+      reInterpolate = /<%=([\s\S]+?)%>/g;
+
+  /** Used to match property names within property paths. */
+  var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
+      reIsPlainProp = /^\w*$/,
+      reLeadingDot = /^\./,
+      rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;
+
+  /**
+   * Used to match `RegExp`
+   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
+   */
+  var reRegExpChar = /[\\^$.*+?()[\]{}|]/g,
+      reHasRegExpChar = RegExp(reRegExpChar.source);
+
+  /** Used to match leading and trailing whitespace. */
+  var reTrim = /^\s+|\s+$/g,
+      reTrimStart = /^\s+/,
+      reTrimEnd = /\s+$/;
+
+  /** Used to match wrap detail comments. */
+  var reWrapComment = /\{(?:\n\/\* \[wrapped with .+\] \*\/)?\n?/,
+      reWrapDetails = /\{\n\/\* \[wrapped with (.+)\] \*/,
+      reSplitDetails = /,? & /;
+
+  /** Used to match words composed of alphanumeric characters. */
+  var reAsciiWord = /[^\x00-\x2f\x3a-\x40\x5b-\x60\x7b-\x7f]+/g;
+
+  /** Used to match backslashes in property paths. */
+  var reEscapeChar = /\\(\\)?/g;
+
+  /**
+   * Used to match
+   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).
+   */
+  var reEsTemplate = /\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g;
+
+  /** Used to match `RegExp` flags from their coerced string values. */
+  var reFlags = /\w*$/;
+
+  /** Used to detect bad signed hexadecimal string values. */
+  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;
+
+  /** Used to detect binary string values. */
+  var reIsBinary = /^0b[01]+$/i;
+
+  /** Used to detect host constructors (Safari). */
+  var reIsHostCtor = /^\[object .+?Constructor\]$/;
+
+  /** Used to detect octal string values. */
+  var reIsOctal = /^0o[0-7]+$/i;
+
+  /** Used to detect unsigned integer values. */
+  var reIsUint = /^(?:0|[1-9]\d*)$/;
+
+  /** Used to match Latin Unicode letters (excluding mathematical operators). */
+  var reLatin = /[\xc0-\xd6\xd8-\xf6\xf8-\xff\u0100-\u017f]/g;
+
+  /** Used to ensure capturing order of template delimiters. */
+  var reNoMatch = /($^)/;
+
+  /** Used to match unescaped characters in compiled string literals. */
+  var reUnescapedString = /['\n\r\u2028\u2029\\]/g;
+
+  /** Used to compose unicode character classes. */
+  var rsAstralRange = '\\ud800-\\udfff',
+      rsComboMarksRange = '\\u0300-\\u036f',
+      reComboHalfMarksRange = '\\ufe20-\\ufe2f',
+      rsComboSymbolsRange = '\\u20d0-\\u20ff',
+      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,
+      rsDingbatRange = '\\u2700-\\u27bf',
+      rsLowerRange = 'a-z\\xdf-\\xf6\\xf8-\\xff',
+      rsMathOpRange = '\\xac\\xb1\\xd7\\xf7',
+      rsNonCharRange = '\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\xbf',
+      rsPunctuationRange = '\\u2000-\\u206f',
+      rsSpaceRange = ' \\t\\x0b\\f\\xa0\\ufeff\\n\\r\\u2028\\u2029\\u1680\\u180e\\u2000\\u2001\\u2002\\u2003\\u2004\\u2005\\u2006\\u2007\\u2008\\u2009\\u200a\\u202f\\u205f\\u3000',
+      rsUpperRange = 'A-Z\\xc0-\\xd6\\xd8-\\xde',
+      rsVarRange = '\\ufe0e\\ufe0f',
+      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;
+
+  /** Used to compose unicode capture groups. */
+  var rsApos = "['\u2019]",
+      rsAstral = '[' + rsAstralRange + ']',
+      rsBreak = '[' + rsBreakRange + ']',
+      rsCombo = '[' + rsComboRange + ']',
+      rsDigits = '\\d+',
+      rsDingbat = '[' + rsDingbatRange + ']',
+      rsLower = '[' + rsLowerRange + ']',
+      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',
+      rsFitz = '\\ud83c[\\udffb-\\udfff]',
+      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',
+      rsNonAstral = '[^' + rsAstralRange + ']',
+      rsRegional = '(?:\\ud83c[\\udde6-\\uddff]){2}',
+      rsSurrPair = '[\\ud800-\\udbff][\\udc00-\\udfff]',
+      rsUpper = '[' + rsUpperRange + ']',
+      rsZWJ = '\\u200d';
+
+  /** Used to compose unicode regexes. */
+  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',
+      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',
+      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',
+      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',
+      reOptMod = rsModifier + '?',
+      rsOptVar = '[' + rsVarRange + ']?',
+      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',
+      rsOrdLower = '\\d*(?:(?:1st|2nd|3rd|(?![123])\\dth)\\b)',
+      rsOrdUpper = '\\d*(?:(?:1ST|2ND|3RD|(?![123])\\dTH)\\b)',
+      rsSeq = rsOptVar + reOptMod + rsOptJoin,
+      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,
+      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';
+
+  /** Used to match apostrophes. */
+  var reApos = RegExp(rsApos, 'g');
+
+  /**
+   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and
+   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).
+   */
+  var reComboMark = RegExp(rsCombo, 'g');
+
+  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */
+  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');
+
+  /** Used to match complex or compound words. */
+  var reUnicodeWord = RegExp([
+    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',
+    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',
+    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,
+    rsUpper + '+' + rsOptContrUpper,
+    rsOrdUpper,
+    rsOrdLower,
+    rsDigits,
+    rsEmoji
+  ].join('|'), 'g');
+
+  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */
+  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');
+
+  /** Used to detect strings that need a more robust regexp to match words. */
+  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2,}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;
+
+  /** Used to assign default `context` object properties. */
+  var contextProps = [
+    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',
+    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',
+    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',
+    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',
+    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'
+  ];
+
+  /** Used to make template sourceURLs easier to identify. */
+  var templateCounter = -1;
+
+  /** Used to identify `toStringTag` values of typed arrays. */
+  var typedArrayTags = {};
+  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
+  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
+  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
+  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
+  typedArrayTags[uint32Tag] = true;
+  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =
+  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
+  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =
+  typedArrayTags[errorTag] = typedArrayTags[funcTag] =
+  typedArrayTags[mapTag] = typedArrayTags[numberTag] =
+  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =
+  typedArrayTags[setTag] = typedArrayTags[stringTag] =
+  typedArrayTags[weakMapTag] = false;
+
+  /** Used to identify `toStringTag` values supported by `_.clone`. */
+  var cloneableTags = {};
+  cloneableTags[argsTag] = cloneableTags[arrayTag] =
+  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =
+  cloneableTags[boolTag] = cloneableTags[dateTag] =
+  cloneableTags[float32Tag] = cloneableTags[float64Tag] =
+  cloneableTags[int8Tag] = cloneableTags[int16Tag] =
+  cloneableTags[int32Tag] = cloneableTags[mapTag] =
+  cloneableTags[numberTag] = cloneableTags[objectTag] =
+  cloneableTags[regexpTag] = cloneableTags[setTag] =
+  cloneableTags[stringTag] = cloneableTags[symbolTag] =
+  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =
+  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;
+  cloneableTags[errorTag] = cloneableTags[funcTag] =
+  cloneableTags[weakMapTag] = false;
+
+  /** Used to map Latin Unicode letters to basic Latin letters. */
+  var deburredLetters = {
+    // Latin-1 Supplement block.
+    '\xc0': 'A',  '\xc1': 'A', '\xc2': 'A', '\xc3': 'A', '\xc4': 'A', '\xc5': 'A',
+    '\xe0': 'a',  '\xe1': 'a', '\xe2': 'a', '\xe3': 'a', '\xe4': 'a', '\xe5': 'a',
+    '\xc7': 'C',  '\xe7': 'c',
+    '\xd0': 'D',  '\xf0': 'd',
+    '\xc8': 'E',  '\xc9': 'E', '\xca': 'E', '\xcb': 'E',
+    '\xe8': 'e',  '\xe9': 'e', '\xea': 'e', '\xeb': 'e',
+    '\xcc': 'I',  '\xcd': 'I', '\xce': 'I', '\xcf': 'I',
+    '\xec': 'i',  '\xed': 'i', '\xee': 'i', '\xef': 'i',
+    '\xd1': 'N',  '\xf1': 'n',
+    '\xd2': 'O',  '\xd3': 'O', '\xd4': 'O', '\xd5': 'O', '\xd6': 'O', '\xd8': 'O',
+    '\xf2': 'o',  '\xf3': 'o', '\xf4': 'o', '\xf5': 'o', '\xf6': 'o', '\xf8': 'o',
+    '\xd9': 'U',  '\xda': 'U', '\xdb': 'U', '\xdc': 'U',
+    '\xf9': 'u',  '\xfa': 'u', '\xfb': 'u', '\xfc': 'u',
+    '\xdd': 'Y',  '\xfd': 'y', '\xff': 'y',
+    '\xc6': 'Ae', '\xe6': 'ae',
+    '\xde': 'Th', '\xfe': 'th',
+    '\xdf': 'ss',
+    // Latin Extended-A block.
+    '\u0100': 'A',  '\u0102': 'A', '\u0104': 'A',
+    '\u0101': 'a',  '\u0103': 'a', '\u0105': 'a',
+    '\u0106': 'C',  '\u0108': 'C', '\u010a': 'C', '\u010c': 'C',
+    '\u0107': 'c',  '\u0109': 'c', '\u010b': 'c', '\u010d': 'c',
+    '\u010e': 'D',  '\u0110': 'D', '\u010f': 'd', '\u0111': 'd',
+    '\u0112': 'E',  '\u0114': 'E', '\u0116': 'E', '\u0118': 'E', '\u011a': 'E',
+    '\u0113': 'e',  '\u0115': 'e', '\u0117': 'e', '\u0119': 'e', '\u011b': 'e',
+    '\u011c': 'G',  '\u011e': 'G', '\u0120': 'G', '\u0122': 'G',
+    '\u011d': 'g',  '\u011f': 'g', '\u0121': 'g', '\u0123': 'g',
+    '\u0124': 'H',  '\u0126': 'H', '\u0125': 'h', '\u0127': 'h',
+    '\u0128': 'I',  '\u012a': 'I', '\u012c': 'I', '\u012e': 'I', '\u0130': 'I',
+    '\u0129': 'i',  '\u012b': 'i', '\u012d': 'i', '\u012f': 'i', '\u0131': 'i',
+    '\u0134': 'J',  '\u0135': 'j',
+    '\u0136': 'K',  '\u0137': 'k', '\u0138': 'k',
+    '\u0139': 'L',  '\u013b': 'L', '\u013d': 'L', '\u013f': 'L', '\u0141': 'L',
+    '\u013a': 'l',  '\u013c': 'l', '\u013e': 'l', '\u0140': 'l', '\u0142': 'l',
+    '\u0143': 'N',  '\u0145': 'N', '\u0147': 'N', '\u014a': 'N',
+    '\u0144': 'n',  '\u0146': 'n', '\u0148': 'n', '\u014b': 'n',
+    '\u014c': 'O',  '\u014e': 'O', '\u0150': 'O',
+    '\u014d': 'o',  '\u014f': 'o', '\u0151': 'o',
+    '\u0154': 'R',  '\u0156': 'R', '\u0158': 'R',
+    '\u0155': 'r',  '\u0157': 'r', '\u0159': 'r',
+    '\u015a': 'S',  '\u015c': 'S', '\u015e': 'S', '\u0160': 'S',
+    '\u015b': 's',  '\u015d': 's', '\u015f': 's', '\u0161': 's',
+    '\u0162': 'T',  '\u0164': 'T', '\u0166': 'T',
+    '\u0163': 't',  '\u0165': 't', '\u0167': 't',
+    '\u0168': 'U',  '\u016a': 'U', '\u016c': 'U', '\u016e': 'U', '\u0170': 'U', '\u0172': 'U',
+    '\u0169': 'u',  '\u016b': 'u', '\u016d': 'u', '\u016f': 'u', '\u0171': 'u', '\u0173': 'u',
+    '\u0174': 'W',  '\u0175': 'w',
+    '\u0176': 'Y',  '\u0177': 'y', '\u0178': 'Y',
+    '\u0179': 'Z',  '\u017b': 'Z', '\u017d': 'Z',
+    '\u017a': 'z',  '\u017c': 'z', '\u017e': 'z',
+    '\u0132': 'IJ', '\u0133': 'ij',
+    '\u0152': 'Oe', '\u0153': 'oe',
+    '\u0149': "'n", '\u017f': 's'
+  };
+
+  /** Used to map characters to HTML entities. */
+  var htmlEscapes = {
+    '&': '&amp;',
+    '<': '&lt;',
+    '>': '&gt;',
+    '"': '&quot;',
+    "'": '&#39;'
+  };
+
+  /** Used to map HTML entities to characters. */
+  var htmlUnescapes = {
+    '&amp;': '&',
+    '&lt;': '<',
+    '&gt;': '>',
+    '&quot;': '"',
+    '&#39;': "'"
+  };
+
+  /** Used to escape characters for inclusion in compiled string literals. */
+  var stringEscapes = {
+    '\\': '\\',
+    "'": "'",
+    '\n': 'n',
+    '\r': 'r',
+    '\u2028': 'u2028',
+    '\u2029': 'u2029'
+  };
+
+  /** Built-in method references without a dependency on `root`. */
+  var freeParseFloat = parseFloat,
+      freeParseInt = parseInt;
+
+  /** Detect free variable `global` from Node.js. */
+  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;
+
+  /** Detect free variable `self`. */
+  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
+
+  /** Used as a reference to the global object. */
+  var root = freeGlobal || freeSelf || Function('return this')();
+
+  /** Detect free variable `exports`. */
+  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;
+
+  /** Detect free variable `module`. */
+  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;
+
+  /** Detect the popular CommonJS extension `module.exports`. */
+  var moduleExports = freeModule && freeModule.exports === freeExports;
+
+  /** Detect free variable `process` from Node.js. */
+  var freeProcess = moduleExports && freeGlobal.process;
+
+  /** Used to access faster Node.js helpers. */
+  var nodeUtil = (function() {
+    try {
+      return freeProcess && freeProcess.binding && freeProcess.binding('util');
+    } catch (e) {}
+  }());
+
+  /* Node.js helper references. */
+  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,
+      nodeIsDate = nodeUtil && nodeUtil.isDate,
+      nodeIsMap = nodeUtil && nodeUtil.isMap,
+      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,
+      nodeIsSet = nodeUtil && nodeUtil.isSet,
+      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * Adds the key-value `pair` to `map`.
+   *
+   * @private
+   * @param {Object} map The map to modify.
+   * @param {Array} pair The key-value pair to add.
+   * @returns {Object} Returns `map`.
+   */
+  function addMapEntry(map, pair) {
+    // Don't return `map.set` because it's not chainable in IE 11.
+    map.set(pair[0], pair[1]);
+    return map;
+  }
+
+  /**
+   * Adds `value` to `set`.
+   *
+   * @private
+   * @param {Object} set The set to modify.
+   * @param {*} value The value to add.
+   * @returns {Object} Returns `set`.
+   */
+  function addSetEntry(set, value) {
+    // Don't return `set.add` because it's not chainable in IE 11.
+    set.add(value);
+    return set;
+  }
+
+  /**
+   * A faster alternative to `Function#apply`, this function invokes `func`
+   * with the `this` binding of `thisArg` and the arguments of `args`.
+   *
+   * @private
+   * @param {Function} func The function to invoke.
+   * @param {*} thisArg The `this` binding of `func`.
+   * @param {Array} args The arguments to invoke `func` with.
+   * @returns {*} Returns the result of `func`.
+   */
+  function apply(func, thisArg, args) {
+    switch (args.length) {
+      case 0: return func.call(thisArg);
+      case 1: return func.call(thisArg, args[0]);
+      case 2: return func.call(thisArg, args[0], args[1]);
+      case 3: return func.call(thisArg, args[0], args[1], args[2]);
+    }
+    return func.apply(thisArg, args);
+  }
+
+  /**
+   * A specialized version of `baseAggregator` for arrays.
+   *
+   * @private
+   * @param {Array} [array] The array to iterate over.
+   * @param {Function} setter The function to set `accumulator` values.
+   * @param {Function} iteratee The iteratee to transform keys.
+   * @param {Object} accumulator The initial aggregated object.
+   * @returns {Function} Returns `accumulator`.
+   */
+  function arrayAggregator(array, setter, iteratee, accumulator) {
+    var index = -1,
+        length = array == null ? 0 : array.length;
+
+    while (++index < length) {
+      var value = array[index];
+      setter(accumulator, value, iteratee(value), array);
+    }
+    return accumulator;
+  }
+
+  /**
+   * A specialized version of `_.forEach` for arrays without support for
+   * iteratee shorthands.
+   *
+   * @private
+   * @param {Array} [array] The array to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @returns {Array} Returns `array`.
+   */
+  function arrayEach(array, iteratee) {
+    var index = -1,
+        length = array == null ? 0 : array.length;
+
+    while (++index < length) {
+      if (iteratee(array[index], index, array) === false) {
+        break;
+      }
+    }
+    return array;
+  }
+
+  /**
+   * A specialized version of `_.forEachRight` for arrays without support for
+   * iteratee shorthands.
+   *
+   * @private
+   * @param {Array} [array] The array to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @returns {Array} Returns `array`.
+   */
+  function arrayEachRight(array, iteratee) {
+    var length = array == null ? 0 : array.length;
+
+    while (length--) {
+      if (iteratee(array[length], length, array) === false) {
+        break;
+      }
+    }
+    return array;
+  }
+
+  /**
+   * A specialized version of `_.every` for arrays without support for
+   * iteratee shorthands.
+   *
+   * @private
+   * @param {Array} [array] The array to iterate over.
+   * @param {Function} predicate The function invoked per iteration.
+   * @returns {boolean} Returns `true` if all elements pass the predicate check,
+   *  else `false`.
+   */
+  function arrayEvery(array, predicate) {
+    var index = -1,
+        length = array == null ? 0 : array.length;
+
+    while (++index < length) {
+      if (!predicate(array[index], index, array)) {
+        return false;
+      }
+    }
+    return true;
+  }
+
+  /**
+   * A specialized version of `_.filter` for arrays without support for
+   * iteratee shorthands.
+   *
+   * @private
+   * @param {Array} [array] The array to iterate over.
+   * @param {Function} predicate The function invoked per iteration.
+   * @returns {Array} Returns the new filtered array.
+   */
+  function arrayFilter(array, predicate) {
+    var index = -1,
+        length = array == null ? 0 : array.length,
+        resIndex = 0,
+        result = [];
+
+    while (++index < length) {
+      var value = array[index];
+      if (predicate(value, index, array)) {
+        result[resIndex++] = value;
+      }
+    }
+    return result;
+  }
+
+  /**
+   * A specialized version of `_.includes` for arrays without support for
+   * specifying an index to search from.
+   *
+   * @private
+   * @param {Array} [array] The array to inspect.
+   * @param {*} target The value to search for.
+   * @returns {boolean} Returns `true` if `target` is found, else `false`.
+   */
+  function arrayIncludes(array, value) {
+    var length = array == null ? 0 : array.length;
+    return !!length && baseIndexOf(array, value, 0) > -1;
+  }
+
+  /**
+   * This function is like `arrayIncludes` except that it accepts a comparator.
+   *
+   * @private
+   * @param {Array} [array] The array to inspect.
+   * @param {*} target The value to search for.
+   * @param {Function} comparator The comparator invoked per element.
+   * @returns {boolean} Returns `true` if `target` is found, else `false`.
+   */
+  function arrayIncludesWith(array, value, comparator) {
+    var index = -1,
+        length = array == null ? 0 : array.length;
+
+    while (++index < length) {
+      if (comparator(value, array[index])) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+  /**
+   * A specialized version of `_.map` for arrays without support for iteratee
+   * shorthands.
+   *
+   * @private
+   * @param {Array} [array] The array to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @returns {Array} Returns the new mapped array.
+   */
+  function arrayMap(array, iteratee) {
+    var index = -1,
+        length = array == null ? 0 : array.length,
+        result = Array(length);
+
+    while (++index < length) {
+      result[index] = iteratee(array[index], index, array);
+    }
+    return result;
+  }
+
+  /**
+   * Appends the elements of `values` to `array`.
+   *
+   * @private
+   * @param {Array} array The array to modify.
+   * @param {Array} values The values to append.
+   * @returns {Array} Returns `array`.
+   */
+  function arrayPush(array, values) {
+    var index = -1,
+        length = values.length,
+        offset = array.length;
+
+    while (++index < length) {
+      array[offset + index] = values[index];
+    }
+    return array;
+  }
+
+  /**
+   * A specialized version of `_.reduce` for arrays without support for
+   * iteratee shorthands.
+   *
+   * @private
+   * @param {Array} [array] The array to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @param {*} [accumulator] The initial value.
+   * @param {boolean} [initAccum] Specify using the first element of `array` as
+   *  the initial value.
+   * @returns {*} Returns the accumulated value.
+   */
+  function arrayReduce(array, iteratee, accumulator, initAccum) {
+    var index = -1,
+        length = array == null ? 0 : array.length;
+
+    if (initAccum && length) {
+      accumulator = array[++index];
+    }
+    while (++index < length) {
+      accumulator = iteratee(accumulator, array[index], index, array);
+    }
+    return accumulator;
+  }
+
+  /**
+   * A specialized version of `_.reduceRight` for arrays without support for
+   * iteratee shorthands.
+   *
+   * @private
+   * @param {Array} [array] The array to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @param {*} [accumulator] The initial value.
+   * @param {boolean} [initAccum] Specify using the last element of `array` as
+   *  the initial value.
+   * @returns {*} Returns the accumulated value.
+   */
+  function arrayReduceRight(array, iteratee, accumulator, initAccum) {
+    var length = array == null ? 0 : array.length;
+    if (initAccum && length) {
+      accumulator = array[--length];
+    }
+    while (length--) {
+      accumulator = iteratee(accumulator, array[length], length, array);
+    }
+    return accumulator;
+  }
+
+  /**
+   * A specialized version of `_.some` for arrays without support for iteratee
+   * shorthands.
+   *
+   * @private
+   * @param {Array} [array] The array to iterate over.
+   * @param {Function} predicate The function invoked per iteration.
+   * @returns {boolean} Returns `true` if any element passes the predicate check,
+   *  else `false`.
+   */
+  function arraySome(array, predicate) {
+    var index = -1,
+        length = array == null ? 0 : array.length;
+
+    while (++index < length) {
+      if (predicate(array[index], index, array)) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+  /**
+   * Gets the size of an ASCII `string`.
+   *
+   * @private
+   * @param {string} string The string inspect.
+   * @returns {number} Returns the string size.
+   */
+  var asciiSize = baseProperty('length');
+
+  /**
+   * Converts an ASCII `string` to an array.
+   *
+   * @private
+   * @param {string} string The string to convert.
+   * @returns {Array} Returns the converted array.
+   */
+  function asciiToArray(string) {
+    return string.split('');
+  }
+
+  /**
+   * Splits an ASCII `string` into an array of its words.
+   *
+   * @private
+   * @param {string} The string to inspect.
+   * @returns {Array} Returns the words of `string`.
+   */
+  function asciiWords(string) {
+    return string.match(reAsciiWord) || [];
+  }
+
+  /**
+   * The base implementation of methods like `_.findKey` and `_.findLastKey`,
+   * without support for iteratee shorthands, which iterates over `collection`
+   * using `eachFunc`.
+   *
+   * @private
+   * @param {Array|Object} collection The collection to inspect.
+   * @param {Function} predicate The function invoked per iteration.
+   * @param {Function} eachFunc The function to iterate over `collection`.
+   * @returns {*} Returns the found element or its key, else `undefined`.
+   */
+  function baseFindKey(collection, predicate, eachFunc) {
+    var result;
+    eachFunc(collection, function(value, key, collection) {
+      if (predicate(value, key, collection)) {
+        result = key;
+        return false;
+      }
+    });
+    return result;
+  }
+
+  /**
+   * The base implementation of `_.findIndex` and `_.findLastIndex` without
+   * support for iteratee shorthands.
+   *
+   * @private
+   * @param {Array} array The array to inspect.
+   * @param {Function} predicate The function invoked per iteration.
+   * @param {number} fromIndex The index to search from.
+   * @param {boolean} [fromRight] Specify iterating from right to left.
+   * @returns {number} Returns the index of the matched value, else `-1`.
+   */
+  function baseFindIndex(array, predicate, fromIndex, fromRight) {
+    var length = array.length,
+        index = fromIndex + (fromRight ? 1 : -1);
+
+    while ((fromRight ? index-- : ++index < length)) {
+      if (predicate(array[index], index, array)) {
+        return index;
+      }
+    }
+    return -1;
+  }
+
+  /**
+   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.
+   *
+   * @private
+   * @param {Array} array The array to inspect.
+   * @param {*} value The value to search for.
+   * @param {number} fromIndex The index to search from.
+   * @returns {number} Returns the index of the matched value, else `-1`.
+   */
+  function baseIndexOf(array, value, fromIndex) {
+    return value === value
+      ? strictIndexOf(array, value, fromIndex)
+      : baseFindIndex(array, baseIsNaN, fromIndex);
+  }
+
+  /**
+   * This function is like `baseIndexOf` except that it accepts a comparator.
+   *
+   * @private
+   * @param {Array} array The array to inspect.
+   * @param {*} value The value to search for.
+   * @param {number} fromIndex The index to search from.
+   * @param {Function} comparator The comparator invoked per element.
+   * @returns {number} Returns the index of the matched value, else `-1`.
+   */
+  function baseIndexOfWith(array, value, fromIndex, comparator) {
+    var index = fromIndex - 1,
+        length = array.length;
+
+    while (++index < length) {
+      if (comparator(array[index], value)) {
+        return index;
+      }
+    }
+    return -1;
+  }
+
+  /**
+   * The base implementation of `_.isNaN` without support for number objects.
+   *
+   * @private
+   * @param {*} value The value to check.
+   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
+   */
+  function baseIsNaN(value) {
+    return value !== value;
+  }
+
+  /**
+   * The base implementation of `_.mean` and `_.meanBy` without support for
+   * iteratee shorthands.
+   *
+   * @private
+   * @param {Array} array The array to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @returns {number} Returns the mean.
+   */
+  function baseMean(array, iteratee) {
+    var length = array == null ? 0 : array.length;
+    return length ? (baseSum(array, iteratee) / length) : NAN;
+  }
+
+  /**
+   * The base implementation of `_.property` without support for deep paths.
+   *
+   * @private
+   * @param {string} key The key of the property to get.
+   * @returns {Function} Returns the new accessor function.
+   */
+  function baseProperty(key) {
+    return function(object) {
+      return object == null ? undefined : object[key];
+    };
+  }
+
+  /**
+   * The base implementation of `_.propertyOf` without support for deep paths.
+   *
+   * @private
+   * @param {Object} object The object to query.
+   * @returns {Function} Returns the new accessor function.
+   */
+  function basePropertyOf(object) {
+    return function(key) {
+      return object == null ? undefined : object[key];
+    };
+  }
+
+  /**
+   * The base implementation of `_.reduce` and `_.reduceRight`, without support
+   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.
+   *
+   * @private
+   * @param {Array|Object} collection The collection to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @param {*} accumulator The initial value.
+   * @param {boolean} initAccum Specify using the first or last element of
+   *  `collection` as the initial value.
+   * @param {Function} eachFunc The function to iterate over `collection`.
+   * @returns {*} Returns the accumulated value.
+   */
+  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {
+    eachFunc(collection, function(value, index, collection) {
+      accumulator = initAccum
+        ? (initAccum = false, value)
+        : iteratee(accumulator, value, index, collection);
+    });
+    return accumulator;
+  }
+
+  /**
+   * The base implementation of `_.sortBy` which uses `comparer` to define the
+   * sort order of `array` and replaces criteria objects with their corresponding
+   * values.
+   *
+   * @private
+   * @param {Array} array The array to sort.
+   * @param {Function} comparer The function to define sort order.
+   * @returns {Array} Returns `array`.
+   */
+  function baseSortBy(array, comparer) {
+    var length = array.length;
+
+    array.sort(comparer);
+    while (length--) {
+      array[length] = array[length].value;
+    }
+    return array;
+  }
+
+  /**
+   * The base implementation of `_.sum` and `_.sumBy` without support for
+   * iteratee shorthands.
+   *
+   * @private
+   * @param {Array} array The array to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @returns {number} Returns the sum.
+   */
+  function baseSum(array, iteratee) {
+    var result,
+        index = -1,
+        length = array.length;
+
+    while (++index < length) {
+      var current = iteratee(array[index]);
+      if (current !== undefined) {
+        result = result === undefined ? current : (result + current);
+      }
+    }
+    return result;
+  }
+
+  /**
+   * The base implementation of `_.times` without support for iteratee shorthands
+   * or max array length checks.
+   *
+   * @private
+   * @param {number} n The number of times to invoke `iteratee`.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @returns {Array} Returns the array of results.
+   */
+  function baseTimes(n, iteratee) {
+    var index = -1,
+        result = Array(n);
+
+    while (++index < n) {
+      result[index] = iteratee(index);
+    }
+    return result;
+  }
+
+  /**
+   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array
+   * of key-value pairs for `object` corresponding to the property names of `props`.
+   *
+   * @private
+   * @param {Object} object The object to query.
+   * @param {Array} props The property names to get values for.
+   * @returns {Object} Returns the key-value pairs.
+   */
+  function baseToPairs(object, props) {
+    return arrayMap(props, function(key) {
+      return [key, object[key]];
+    });
+  }
+
+  /**
+   * The base implementation of `_.unary` without support for storing metadata.
+   *
+   * @private
+   * @param {Function} func The function to cap arguments for.
+   * @returns {Function} Returns the new capped function.
+   */
+  function baseUnary(func) {
+    return function(value) {
+      return func(value);
+    };
+  }
+
+  /**
+   * The base implementation of `_.values` and `_.valuesIn` which creates an
+   * array of `object` property values corresponding to the property names
+   * of `props`.
+   *
+   * @private
+   * @param {Object} object The object to query.
+   * @param {Array} props The property names to get values for.
+   * @returns {Object} Returns the array of property values.
+   */
+  function baseValues(object, props) {
+    return arrayMap(props, function(key) {
+      return object[key];
+    });
+  }
+
+  /**
+   * Checks if a `cache` value for `key` exists.
+   *
+   * @private
+   * @param {Object} cache The cache to query.
+   * @param {string} key The key of the entry to check.
+   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+   */
+  function cacheHas(cache, key) {
+    return cache.has(key);
+  }
+
+  /**
+   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol
+   * that is not found in the character symbols.
+   *
+   * @private
+   * @param {Array} strSymbols The string symbols to inspect.
+   * @param {Array} chrSymbols The character symbols to find.
+   * @returns {number} Returns the index of the first unmatched string symbol.
+   */
+  function charsStartIndex(strSymbols, chrSymbols) {
+    var index = -1,
+        length = strSymbols.length;
+
+    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
+    return index;
+  }
+
+  /**
+   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol
+   * that is not found in the character symbols.
+   *
+   * @private
+   * @param {Array} strSymbols The string symbols to inspect.
+   * @param {Array} chrSymbols The character symbols to find.
+   * @returns {number} Returns the index of the last unmatched string symbol.
+   */
+  function charsEndIndex(strSymbols, chrSymbols) {
+    var index = strSymbols.length;
+
+    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
+    return index;
+  }
+
+  /**
+   * Gets the number of `placeholder` occurrences in `array`.
+   *
+   * @private
+   * @param {Array} array The array to inspect.
+   * @param {*} placeholder The placeholder to search for.
+   * @returns {number} Returns the placeholder count.
+   */
+  function countHolders(array, placeholder) {
+    var length = array.length,
+        result = 0;
+
+    while (length--) {
+      if (array[length] === placeholder) {
+        ++result;
+      }
+    }
+    return result;
+  }
+
+  /**
+   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A
+   * letters to basic Latin letters.
+   *
+   * @private
+   * @param {string} letter The matched letter to deburr.
+   * @returns {string} Returns the deburred letter.
+   */
+  var deburrLetter = basePropertyOf(deburredLetters);
+
+  /**
+   * Used by `_.escape` to convert characters to HTML entities.
+   *
+   * @private
+   * @param {string} chr The matched character to escape.
+   * @returns {string} Returns the escaped character.
+   */
+  var escapeHtmlChar = basePropertyOf(htmlEscapes);
+
+  /**
+   * Used by `_.template` to escape characters for inclusion in compiled string literals.
+   *
+   * @private
+   * @param {string} chr The matched character to escape.
+   * @returns {string} Returns the escaped character.
+   */
+  function escapeStringChar(chr) {
+    return '\\' + stringEscapes[chr];
+  }
+
+  /**
+   * Gets the value at `key` of `object`.
+   *
+   * @private
+   * @param {Object} [object] The object to query.
+   * @param {string} key The key of the property to get.
+   * @returns {*} Returns the property value.
+   */
+  function getValue(object, key) {
+    return object == null ? undefined : object[key];
+  }
+
+  /**
+   * Checks if `string` contains Unicode symbols.
+   *
+   * @private
+   * @param {string} string The string to inspect.
+   * @returns {boolean} Returns `true` if a symbol is found, else `false`.
+   */
+  function hasUnicode(string) {
+    return reHasUnicode.test(string);
+  }
+
+  /**
+   * Checks if `string` contains a word composed of Unicode symbols.
+   *
+   * @private
+   * @param {string} string The string to inspect.
+   * @returns {boolean} Returns `true` if a word is found, else `false`.
+   */
+  function hasUnicodeWord(string) {
+    return reHasUnicodeWord.test(string);
+  }
+
+  /**
+   * Converts `iterator` to an array.
+   *
+   * @private
+   * @param {Object} iterator The iterator to convert.
+   * @returns {Array} Returns the converted array.
+   */
+  function iteratorToArray(iterator) {
+    var data,
+        result = [];
+
+    while (!(data = iterator.next()).done) {
+      result.push(data.value);
+    }
+    return result;
+  }
+
+  /**
+   * Converts `map` to its key-value pairs.
+   *
+   * @private
+   * @param {Object} map The map to convert.
+   * @returns {Array} Returns the key-value pairs.
+   */
+  function mapToArray(map) {
+    var index = -1,
+        result = Array(map.size);
+
+    map.forEach(function(value, key) {
+      result[++index] = [key, value];
+    });
+    return result;
+  }
+
+  /**
+   * Creates a unary function that invokes `func` with its argument transformed.
+   *
+   * @private
+   * @param {Function} func The function to wrap.
+   * @param {Function} transform The argument transform.
+   * @returns {Function} Returns the new function.
+   */
+  function overArg(func, transform) {
+    return function(arg) {
+      return func(transform(arg));
+    };
+  }
+
+  /**
+   * Replaces all `placeholder` elements in `array` with an internal placeholder
+   * and returns an array of their indexes.
+   *
+   * @private
+   * @param {Array} array The array to modify.
+   * @param {*} placeholder The placeholder to replace.
+   * @returns {Array} Returns the new array of placeholder indexes.
+   */
+  function replaceHolders(array, placeholder) {
+    var index = -1,
+        length = array.length,
+        resIndex = 0,
+        result = [];
+
+    while (++index < length) {
+      var value = array[index];
+      if (value === placeholder || value === PLACEHOLDER) {
+        array[index] = PLACEHOLDER;
+        result[resIndex++] = index;
+      }
+    }
+    return result;
+  }
+
+  /**
+   * Converts `set` to an array of its values.
+   *
+   * @private
+   * @param {Object} set The set to convert.
+   * @returns {Array} Returns the values.
+   */
+  function setToArray(set) {
+    var index = -1,
+        result = Array(set.size);
+
+    set.forEach(function(value) {
+      result[++index] = value;
+    });
+    return result;
+  }
+
+  /**
+   * Converts `set` to its value-value pairs.
+   *
+   * @private
+   * @param {Object} set The set to convert.
+   * @returns {Array} Returns the value-value pairs.
+   */
+  function setToPairs(set) {
+    var index = -1,
+        result = Array(set.size);
+
+    set.forEach(function(value) {
+      result[++index] = [value, value];
+    });
+    return result;
+  }
+
+  /**
+   * A specialized version of `_.indexOf` which performs strict equality
+   * comparisons of values, i.e. `===`.
+   *
+   * @private
+   * @param {Array} array The array to inspect.
+   * @param {*} value The value to search for.
+   * @param {number} fromIndex The index to search from.
+   * @returns {number} Returns the index of the matched value, else `-1`.
+   */
+  function strictIndexOf(array, value, fromIndex) {
+    var index = fromIndex - 1,
+        length = array.length;
+
+    while (++index < length) {
+      if (array[index] === value) {
+        return index;
+      }
+    }
+    return -1;
+  }
+
+  /**
+   * A specialized version of `_.lastIndexOf` which performs strict equality
+   * comparisons of values, i.e. `===`.
+   *
+   * @private
+   * @param {Array} array The array to inspect.
+   * @param {*} value The value to search for.
+   * @param {number} fromIndex The index to search from.
+   * @returns {number} Returns the index of the matched value, else `-1`.
+   */
+  function strictLastIndexOf(array, value, fromIndex) {
+    var index = fromIndex + 1;
+    while (index--) {
+      if (array[index] === value) {
+        return index;
+      }
+    }
+    return index;
+  }
+
+  /**
+   * Gets the number of symbols in `string`.
+   *
+   * @private
+   * @param {string} string The string to inspect.
+   * @returns {number} Returns the string size.
+   */
+  function stringSize(string) {
+    return hasUnicode(string)
+      ? unicodeSize(string)
+      : asciiSize(string);
+  }
+
+  /**
+   * Converts `string` to an array.
+   *
+   * @private
+   * @param {string} string The string to convert.
+   * @returns {Array} Returns the converted array.
+   */
+  function stringToArray(string) {
+    return hasUnicode(string)
+      ? unicodeToArray(string)
+      : asciiToArray(string);
+  }
+
+  /**
+   * Used by `_.unescape` to convert HTML entities to characters.
+   *
+   * @private
+   * @param {string} chr The matched character to unescape.
+   * @returns {string} Returns the unescaped character.
+   */
+  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);
+
+  /**
+   * Gets the size of a Unicode `string`.
+   *
+   * @private
+   * @param {string} string The string inspect.
+   * @returns {number} Returns the string size.
+   */
+  function unicodeSize(string) {
+    var result = reUnicode.lastIndex = 0;
+    while (reUnicode.test(string)) {
+      ++result;
+    }
+    return result;
+  }
+
+  /**
+   * Converts a Unicode `string` to an array.
+   *
+   * @private
+   * @param {string} string The string to convert.
+   * @returns {Array} Returns the converted array.
+   */
+  function unicodeToArray(string) {
+    return string.match(reUnicode) || [];
+  }
+
+  /**
+   * Splits a Unicode `string` into an array of its words.
+   *
+   * @private
+   * @param {string} The string to inspect.
+   * @returns {Array} Returns the words of `string`.
+   */
+  function unicodeWords(string) {
+    return string.match(reUnicodeWord) || [];
+  }
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * Create a new pristine `lodash` function using the `context` object.
+   *
+   * @static
+   * @memberOf _
+   * @since 1.1.0
+   * @category Util
+   * @param {Object} [context=root] The context object.
+   * @returns {Function} Returns a new `lodash` function.
+   * @example
+   *
+   * _.mixin({ 'foo': _.constant('foo') });
+   *
+   * var lodash = _.runInContext();
+   * lodash.mixin({ 'bar': lodash.constant('bar') });
+   *
+   * _.isFunction(_.foo);
+   * // => true
+   * _.isFunction(_.bar);
+   * // => false
+   *
+   * lodash.isFunction(lodash.foo);
+   * // => false
+   * lodash.isFunction(lodash.bar);
+   * // => true
+   *
+   * // Create a suped-up `defer` in Node.js.
+   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;
+   */
+  var runInContext = (function runInContext(context) {
+    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));
+
+    /** Built-in constructor references. */
+    var Array = context.Array,
+        Date = context.Date,
+        Error = context.Error,
+        Function = context.Function,
+        Math = context.Math,
+        Object = context.Object,
+        RegExp = context.RegExp,
+        String = context.String,
+        TypeError = context.TypeError;
+
+    /** Used for built-in method references. */
+    var arrayProto = Array.prototype,
+        funcProto = Function.prototype,
+        objectProto = Object.prototype;
+
+    /** Used to detect overreaching core-js shims. */
+    var coreJsData = context['__core-js_shared__'];
+
+    /** Used to resolve the decompiled source of functions. */
+    var funcToString = funcProto.toString;
+
+    /** Used to check objects for own properties. */
+    var hasOwnProperty = objectProto.hasOwnProperty;
+
+    /** Used to generate unique IDs. */
+    var idCounter = 0;
+
+    /** Used to detect methods masquerading as native. */
+    var maskSrcKey = (function() {
+      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');
+      return uid ? ('Symbol(src)_1.' + uid) : '';
+    }());
+
+    /**
+     * Used to resolve the
+     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
+     * of values.
+     */
+    var nativeObjectToString = objectProto.toString;
+
+    /** Used to infer the `Object` constructor. */
+    var objectCtorString = funcToString.call(Object);
+
+    /** Used to restore the original `_` reference in `_.noConflict`. */
+    var oldDash = root._;
+
+    /** Used to detect if a method is native. */
+    var reIsNative = RegExp('^' +
+      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
+      .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
+    );
+
+    /** Built-in value references. */
+    var Buffer = moduleExports ? context.Buffer : undefined,
+        Symbol = context.Symbol,
+        Uint8Array = context.Uint8Array,
+        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,
+        getPrototype = overArg(Object.getPrototypeOf, Object),
+        objectCreate = Object.create,
+        propertyIsEnumerable = objectProto.propertyIsEnumerable,
+        splice = arrayProto.splice,
+        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,
+        symIterator = Symbol ? Symbol.iterator : undefined,
+        symToStringTag = Symbol ? Symbol.toStringTag : undefined;
+
+    var defineProperty = (function() {
+      try {
+        var func = getNative(Object, 'defineProperty');
+        func({}, '', {});
+        return func;
+      } catch (e) {}
+    }());
+
+    /** Mocked built-ins. */
+    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,
+        ctxNow = Date && Date.now !== root.Date.now && Date.now,
+        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;
+
+    /* Built-in method references for those with the same name as other `lodash` methods. */
+    var nativeCeil = Math.ceil,
+        nativeFloor = Math.floor,
+        nativeGetSymbols = Object.getOwnPropertySymbols,
+        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,
+        nativeIsFinite = context.isFinite,
+        nativeJoin = arrayProto.join,
+        nativeKeys = overArg(Object.keys, Object),
+        nativeMax = Math.max,
+        nativeMin = Math.min,
+        nativeNow = Date.now,
+        nativeParseInt = context.parseInt,
+        nativeRandom = Math.random,
+        nativeReverse = arrayProto.reverse;
+
+    /* Built-in method references that are verified to be native. */
+    var DataView = getNative(context, 'DataView'),
+        Map = getNative(context, 'Map'),
+        Promise = getNative(context, 'Promise'),
+        Set = getNative(context, 'Set'),
+        WeakMap = getNative(context, 'WeakMap'),
+        nativeCreate = getNative(Object, 'create');
+
+    /** Used to store function metadata. */
+    var metaMap = WeakMap && new WeakMap;
+
+    /** Used to lookup unminified function names. */
+    var realNames = {};
+
+    /** Used to detect maps, sets, and weakmaps. */
+    var dataViewCtorString = toSource(DataView),
+        mapCtorString = toSource(Map),
+        promiseCtorString = toSource(Promise),
+        setCtorString = toSource(Set),
+        weakMapCtorString = toSource(WeakMap);
+
+    /** Used to convert symbols to primitives and strings. */
+    var symbolProto = Symbol ? Symbol.prototype : undefined,
+        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,
+        symbolToString = symbolProto ? symbolProto.toString : undefined;
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates a `lodash` object which wraps `value` to enable implicit method
+     * chain sequences. Methods that operate on and return arrays, collections,
+     * and functions can be chained together. Methods that retrieve a single value
+     * or may return a primitive value will automatically end the chain sequence
+     * and return the unwrapped value. Otherwise, the value must be unwrapped
+     * with `_#value`.
+     *
+     * Explicit chain sequences, which must be unwrapped with `_#value`, may be
+     * enabled using `_.chain`.
+     *
+     * The execution of chained methods is lazy, that is, it's deferred until
+     * `_#value` is implicitly or explicitly called.
+     *
+     * Lazy evaluation allows several methods to support shortcut fusion.
+     * Shortcut fusion is an optimization to merge iteratee calls; this avoids
+     * the creation of intermediate arrays and can greatly reduce the number of
+     * iteratee executions. Sections of a chain sequence qualify for shortcut
+     * fusion if the section is applied to an array and iteratees accept only
+     * one argument. The heuristic for whether a section qualifies for shortcut
+     * fusion is subject to change.
+     *
+     * Chaining is supported in custom builds as long as the `_#value` method is
+     * directly or indirectly included in the build.
+     *
+     * In addition to lodash methods, wrappers have `Array` and `String` methods.
+     *
+     * The wrapper `Array` methods are:
+     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`
+     *
+     * The wrapper `String` methods are:
+     * `replace` and `split`
+     *
+     * The wrapper methods that support shortcut fusion are:
+     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,
+     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,
+     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`
+     *
+     * The chainable wrapper methods are:
+     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,
+     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,
+     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,
+     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,
+     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,
+     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,
+     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,
+     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,
+     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,
+     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,
+     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,
+     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,
+     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,
+     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,
+     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,
+     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,
+     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,
+     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,
+     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,
+     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,
+     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,
+     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,
+     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,
+     * `zipObject`, `zipObjectDeep`, and `zipWith`
+     *
+     * The wrapper methods that are **not** chainable by default are:
+     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,
+     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,
+     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,
+     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,
+     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,
+     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,
+     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,
+     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,
+     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,
+     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,
+     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,
+     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,
+     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,
+     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,
+     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,
+     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,
+     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,
+     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,
+     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,
+     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,
+     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,
+     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,
+     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,
+     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,
+     * `upperFirst`, `value`, and `words`
+     *
+     * @name _
+     * @constructor
+     * @category Seq
+     * @param {*} value The value to wrap in a `lodash` instance.
+     * @returns {Object} Returns the new `lodash` wrapper instance.
+     * @example
+     *
+     * function square(n) {
+     *   return n * n;
+     * }
+     *
+     * var wrapped = _([1, 2, 3]);
+     *
+     * // Returns an unwrapped value.
+     * wrapped.reduce(_.add);
+     * // => 6
+     *
+     * // Returns a wrapped value.
+     * var squares = wrapped.map(square);
+     *
+     * _.isArray(squares);
+     * // => false
+     *
+     * _.isArray(squares.value());
+     * // => true
+     */
+    function lodash(value) {
+      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {
+        if (value instanceof LodashWrapper) {
+          return value;
+        }
+        if (hasOwnProperty.call(value, '__wrapped__')) {
+          return wrapperClone(value);
+        }
+      }
+      return new LodashWrapper(value);
+    }
+
+    /**
+     * The base implementation of `_.create` without support for assigning
+     * properties to the created object.
+     *
+     * @private
+     * @param {Object} proto The object to inherit from.
+     * @returns {Object} Returns the new object.
+     */
+    var baseCreate = (function() {
+      function object() {}
+      return function(proto) {
+        if (!isObject(proto)) {
+          return {};
+        }
+        if (objectCreate) {
+          return objectCreate(proto);
+        }
+        object.prototype = proto;
+        var result = new object;
+        object.prototype = undefined;
+        return result;
+      };
+    }());
+
+    /**
+     * The function whose prototype chain sequence wrappers inherit from.
+     *
+     * @private
+     */
+    function baseLodash() {
+      // No operation performed.
+    }
+
+    /**
+     * The base constructor for creating `lodash` wrapper objects.
+     *
+     * @private
+     * @param {*} value The value to wrap.
+     * @param {boolean} [chainAll] Enable explicit method chain sequences.
+     */
+    function LodashWrapper(value, chainAll) {
+      this.__wrapped__ = value;
+      this.__actions__ = [];
+      this.__chain__ = !!chainAll;
+      this.__index__ = 0;
+      this.__values__ = undefined;
+    }
+
+    /**
+     * By default, the template delimiters used by lodash are like those in
+     * embedded Ruby (ERB) as well as ES2015 template strings. Change the
+     * following template settings to use alternative delimiters.
+     *
+     * @static
+     * @memberOf _
+     * @type {Object}
+     */
+    lodash.templateSettings = {
+
+      /**
+       * Used to detect `data` property values to be HTML-escaped.
+       *
+       * @memberOf _.templateSettings
+       * @type {RegExp}
+       */
+      'escape': reEscape,
+
+      /**
+       * Used to detect code to be evaluated.
+       *
+       * @memberOf _.templateSettings
+       * @type {RegExp}
+       */
+      'evaluate': reEvaluate,
+
+      /**
+       * Used to detect `data` property values to inject.
+       *
+       * @memberOf _.templateSettings
+       * @type {RegExp}
+       */
+      'interpolate': reInterpolate,
+
+      /**
+       * Used to reference the data object in the template text.
+       *
+       * @memberOf _.templateSettings
+       * @type {string}
+       */
+      'variable': '',
+
+      /**
+       * Used to import variables into the compiled template.
+       *
+       * @memberOf _.templateSettings
+       * @type {Object}
+       */
+      'imports': {
+
+        /**
+         * A reference to the `lodash` function.
+         *
+         * @memberOf _.templateSettings.imports
+         * @type {Function}
+         */
+        '_': lodash
+      }
+    };
+
+    // Ensure wrappers are instances of `baseLodash`.
+    lodash.prototype = baseLodash.prototype;
+    lodash.prototype.constructor = lodash;
+
+    LodashWrapper.prototype = baseCreate(baseLodash.prototype);
+    LodashWrapper.prototype.constructor = LodashWrapper;
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.
+     *
+     * @private
+     * @constructor
+     * @param {*} value The value to wrap.
+     */
+    function LazyWrapper(value) {
+      this.__wrapped__ = value;
+      this.__actions__ = [];
+      this.__dir__ = 1;
+      this.__filtered__ = false;
+      this.__iteratees__ = [];
+      this.__takeCount__ = MAX_ARRAY_LENGTH;
+      this.__views__ = [];
+    }
+
+    /**
+     * Creates a clone of the lazy wrapper object.
+     *
+     * @private
+     * @name clone
+     * @memberOf LazyWrapper
+     * @returns {Object} Returns the cloned `LazyWrapper` object.
+     */
+    function lazyClone() {
+      var result = new LazyWrapper(this.__wrapped__);
+      result.__actions__ = copyArray(this.__actions__);
+      result.__dir__ = this.__dir__;
+      result.__filtered__ = this.__filtered__;
+      result.__iteratees__ = copyArray(this.__iteratees__);
+      result.__takeCount__ = this.__takeCount__;
+      result.__views__ = copyArray(this.__views__);
+      return result;
+    }
+
+    /**
+     * Reverses the direction of lazy iteration.
+     *
+     * @private
+     * @name reverse
+     * @memberOf LazyWrapper
+     * @returns {Object} Returns the new reversed `LazyWrapper` object.
+     */
+    function lazyReverse() {
+      if (this.__filtered__) {
+        var result = new LazyWrapper(this);
+        result.__dir__ = -1;
+        result.__filtered__ = true;
+      } else {
+        result = this.clone();
+        result.__dir__ *= -1;
+      }
+      return result;
+    }
+
+    /**
+     * Extracts the unwrapped value from its lazy wrapper.
+     *
+     * @private
+     * @name value
+     * @memberOf LazyWrapper
+     * @returns {*} Returns the unwrapped value.
+     */
+    function lazyValue() {
+      var array = this.__wrapped__.value(),
+          dir = this.__dir__,
+          isArr = isArray(array),
+          isRight = dir < 0,
+          arrLength = isArr ? array.length : 0,
+          view = getView(0, arrLength, this.__views__),
+          start = view.start,
+          end = view.end,
+          length = end - start,
+          index = isRight ? end : (start - 1),
+          iteratees = this.__iteratees__,
+          iterLength = iteratees.length,
+          resIndex = 0,
+          takeCount = nativeMin(length, this.__takeCount__);
+
+      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {
+        return baseWrapperValue(array, this.__actions__);
+      }
+      var result = [];
+
+      outer:
+      while (length-- && resIndex < takeCount) {
+        index += dir;
+
+        var iterIndex = -1,
+            value = array[index];
+
+        while (++iterIndex < iterLength) {
+          var data = iteratees[iterIndex],
+              iteratee = data.iteratee,
+              type = data.type,
+              computed = iteratee(value);
+
+          if (type == LAZY_MAP_FLAG) {
+            value = computed;
+          } else if (!computed) {
+            if (type == LAZY_FILTER_FLAG) {
+              continue outer;
+            } else {
+              break outer;
+            }
+          }
+        }
+        result[resIndex++] = value;
+      }
+      return result;
+    }
+
+    // Ensure `LazyWrapper` is an instance of `baseLodash`.
+    LazyWrapper.prototype = baseCreate(baseLodash.prototype);
+    LazyWrapper.prototype.constructor = LazyWrapper;
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates a hash object.
+     *
+     * @private
+     * @constructor
+     * @param {Array} [entries] The key-value pairs to cache.
+     */
+    function Hash(entries) {
+      var index = -1,
+          length = entries == null ? 0 : entries.length;
+
+      this.clear();
+      while (++index < length) {
+        var entry = entries[index];
+        this.set(entry[0], entry[1]);
+      }
+    }
+
+    /**
+     * Removes all key-value entries from the hash.
+     *
+     * @private
+     * @name clear
+     * @memberOf Hash
+     */
+    function hashClear() {
+      this.__data__ = nativeCreate ? nativeCreate(null) : {};
+      this.size = 0;
+    }
+
+    /**
+     * Removes `key` and its value from the hash.
+     *
+     * @private
+     * @name delete
+     * @memberOf Hash
+     * @param {Object} hash The hash to modify.
+     * @param {string} key The key of the value to remove.
+     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+     */
+    function hashDelete(key) {
+      var result = this.has(key) && delete this.__data__[key];
+      this.size -= result ? 1 : 0;
+      return result;
+    }
+
+    /**
+     * Gets the hash value for `key`.
+     *
+     * @private
+     * @name get
+     * @memberOf Hash
+     * @param {string} key The key of the value to get.
+     * @returns {*} Returns the entry value.
+     */
+    function hashGet(key) {
+      var data = this.__data__;
+      if (nativeCreate) {
+        var result = data[key];
+        return result === HASH_UNDEFINED ? undefined : result;
+      }
+      return hasOwnProperty.call(data, key) ? data[key] : undefined;
+    }
+
+    /**
+     * Checks if a hash value for `key` exists.
+     *
+     * @private
+     * @name has
+     * @memberOf Hash
+     * @param {string} key The key of the entry to check.
+     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+     */
+    function hashHas(key) {
+      var data = this.__data__;
+      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);
+    }
+
+    /**
+     * Sets the hash `key` to `value`.
+     *
+     * @private
+     * @name set
+     * @memberOf Hash
+     * @param {string} key The key of the value to set.
+     * @param {*} value The value to set.
+     * @returns {Object} Returns the hash instance.
+     */
+    function hashSet(key, value) {
+      var data = this.__data__;
+      this.size += this.has(key) ? 0 : 1;
+      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;
+      return this;
+    }
+
+    // Add methods to `Hash`.
+    Hash.prototype.clear = hashClear;
+    Hash.prototype['delete'] = hashDelete;
+    Hash.prototype.get = hashGet;
+    Hash.prototype.has = hashHas;
+    Hash.prototype.set = hashSet;
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates an list cache object.
+     *
+     * @private
+     * @constructor
+     * @param {Array} [entries] The key-value pairs to cache.
+     */
+    function ListCache(entries) {
+      var index = -1,
+          length = entries == null ? 0 : entries.length;
+
+      this.clear();
+      while (++index < length) {
+        var entry = entries[index];
+        this.set(entry[0], entry[1]);
+      }
+    }
+
+    /**
+     * Removes all key-value entries from the list cache.
+     *
+     * @private
+     * @name clear
+     * @memberOf ListCache
+     */
+    function listCacheClear() {
+      this.__data__ = [];
+      this.size = 0;
+    }
+
+    /**
+     * Removes `key` and its value from the list cache.
+     *
+     * @private
+     * @name delete
+     * @memberOf ListCache
+     * @param {string} key The key of the value to remove.
+     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+     */
+    function listCacheDelete(key) {
+      var data = this.__data__,
+          index = assocIndexOf(data, key);
+
+      if (index < 0) {
+        return false;
+      }
+      var lastIndex = data.length - 1;
+      if (index == lastIndex) {
+        data.pop();
+      } else {
+        splice.call(data, index, 1);
+      }
+      --this.size;
+      return true;
+    }
+
+    /**
+     * Gets the list cache value for `key`.
+     *
+     * @private
+     * @name get
+     * @memberOf ListCache
+     * @param {string} key The key of the value to get.
+     * @returns {*} Returns the entry value.
+     */
+    function listCacheGet(key) {
+      var data = this.__data__,
+          index = assocIndexOf(data, key);
+
+      return index < 0 ? undefined : data[index][1];
+    }
+
+    /**
+     * Checks if a list cache value for `key` exists.
+     *
+     * @private
+     * @name has
+     * @memberOf ListCache
+     * @param {string} key The key of the entry to check.
+     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+     */
+    function listCacheHas(key) {
+      return assocIndexOf(this.__data__, key) > -1;
+    }
+
+    /**
+     * Sets the list cache `key` to `value`.
+     *
+     * @private
+     * @name set
+     * @memberOf ListCache
+     * @param {string} key The key of the value to set.
+     * @param {*} value The value to set.
+     * @returns {Object} Returns the list cache instance.
+     */
+    function listCacheSet(key, value) {
+      var data = this.__data__,
+          index = assocIndexOf(data, key);
+
+      if (index < 0) {
+        ++this.size;
+        data.push([key, value]);
+      } else {
+        data[index][1] = value;
+      }
+      return this;
+    }
+
+    // Add methods to `ListCache`.
+    ListCache.prototype.clear = listCacheClear;
+    ListCache.prototype['delete'] = listCacheDelete;
+    ListCache.prototype.get = listCacheGet;
+    ListCache.prototype.has = listCacheHas;
+    ListCache.prototype.set = listCacheSet;
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates a map cache object to store key-value pairs.
+     *
+     * @private
+     * @constructor
+     * @param {Array} [entries] The key-value pairs to cache.
+     */
+    function MapCache(entries) {
+      var index = -1,
+          length = entries == null ? 0 : entries.length;
+
+      this.clear();
+      while (++index < length) {
+        var entry = entries[index];
+        this.set(entry[0], entry[1]);
+      }
+    }
+
+    /**
+     * Removes all key-value entries from the map.
+     *
+     * @private
+     * @name clear
+     * @memberOf MapCache
+     */
+    function mapCacheClear() {
+      this.size = 0;
+      this.__data__ = {
+        'hash': new Hash,
+        'map': new (Map || ListCache),
+        'string': new Hash
+      };
+    }
+
+    /**
+     * Removes `key` and its value from the map.
+     *
+     * @private
+     * @name delete
+     * @memberOf MapCache
+     * @param {string} key The key of the value to remove.
+     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+     */
+    function mapCacheDelete(key) {
+      var result = getMapData(this, key)['delete'](key);
+      this.size -= result ? 1 : 0;
+      return result;
+    }
+
+    /**
+     * Gets the map value for `key`.
+     *
+     * @private
+     * @name get
+     * @memberOf MapCache
+     * @param {string} key The key of the value to get.
+     * @returns {*} Returns the entry value.
+     */
+    function mapCacheGet(key) {
+      return getMapData(this, key).get(key);
+    }
+
+    /**
+     * Checks if a map value for `key` exists.
+     *
+     * @private
+     * @name has
+     * @memberOf MapCache
+     * @param {string} key The key of the entry to check.
+     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+     */
+    function mapCacheHas(key) {
+      return getMapData(this, key).has(key);
+    }
+
+    /**
+     * Sets the map `key` to `value`.
+     *
+     * @private
+     * @name set
+     * @memberOf MapCache
+     * @param {string} key The key of the value to set.
+     * @param {*} value The value to set.
+     * @returns {Object} Returns the map cache instance.
+     */
+    function mapCacheSet(key, value) {
+      var data = getMapData(this, key),
+          size = data.size;
+
+      data.set(key, value);
+      this.size += data.size == size ? 0 : 1;
+      return this;
+    }
+
+    // Add methods to `MapCache`.
+    MapCache.prototype.clear = mapCacheClear;
+    MapCache.prototype['delete'] = mapCacheDelete;
+    MapCache.prototype.get = mapCacheGet;
+    MapCache.prototype.has = mapCacheHas;
+    MapCache.prototype.set = mapCacheSet;
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     *
+     * Creates an array cache object to store unique values.
+     *
+     * @private
+     * @constructor
+     * @param {Array} [values] The values to cache.
+     */
+    function SetCache(values) {
+      var index = -1,
+          length = values == null ? 0 : values.length;
+
+      this.__data__ = new MapCache;
+      while (++index < length) {
+        this.add(values[index]);
+      }
+    }
+
+    /**
+     * Adds `value` to the array cache.
+     *
+     * @private
+     * @name add
+     * @memberOf SetCache
+     * @alias push
+     * @param {*} value The value to cache.
+     * @returns {Object} Returns the cache instance.
+     */
+    function setCacheAdd(value) {
+      this.__data__.set(value, HASH_UNDEFINED);
+      return this;
+    }
+
+    /**
+     * Checks if `value` is in the array cache.
+     *
+     * @private
+     * @name has
+     * @memberOf SetCache
+     * @param {*} value The value to search for.
+     * @returns {number} Returns `true` if `value` is found, else `false`.
+     */
+    function setCacheHas(value) {
+      return this.__data__.has(value);
+    }
+
+    // Add methods to `SetCache`.
+    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;
+    SetCache.prototype.has = setCacheHas;
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates a stack cache object to store key-value pairs.
+     *
+     * @private
+     * @constructor
+     * @param {Array} [entries] The key-value pairs to cache.
+     */
+    function Stack(entries) {
+      var data = this.__data__ = new ListCache(entries);
+      this.size = data.size;
+    }
+
+    /**
+     * Removes all key-value entries from the stack.
+     *
+     * @private
+     * @name clear
+     * @memberOf Stack
+     */
+    function stackClear() {
+      this.__data__ = new ListCache;
+      this.size = 0;
+    }
+
+    /**
+     * Removes `key` and its value from the stack.
+     *
+     * @private
+     * @name delete
+     * @memberOf Stack
+     * @param {string} key The key of the value to remove.
+     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+     */
+    function stackDelete(key) {
+      var data = this.__data__,
+          result = data['delete'](key);
+
+      this.size = data.size;
+      return result;
+    }
+
+    /**
+     * Gets the stack value for `key`.
+     *
+     * @private
+     * @name get
+     * @memberOf Stack
+     * @param {string} key The key of the value to get.
+     * @returns {*} Returns the entry value.
+     */
+    function stackGet(key) {
+      return this.__data__.get(key);
+    }
+
+    /**
+     * Checks if a stack value for `key` exists.
+     *
+     * @private
+     * @name has
+     * @memberOf Stack
+     * @param {string} key The key of the entry to check.
+     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+     */
+    function stackHas(key) {
+      return this.__data__.has(key);
+    }
+
+    /**
+     * Sets the stack `key` to `value`.
+     *
+     * @private
+     * @name set
+     * @memberOf Stack
+     * @param {string} key The key of the value to set.
+     * @param {*} value The value to set.
+     * @returns {Object} Returns the stack cache instance.
+     */
+    function stackSet(key, value) {
+      var data = this.__data__;
+      if (data instanceof ListCache) {
+        var pairs = data.__data__;
+        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {
+          pairs.push([key, value]);
+          this.size = ++data.size;
+          return this;
+        }
+        data = this.__data__ = new MapCache(pairs);
+      }
+      data.set(key, value);
+      this.size = data.size;
+      return this;
+    }
+
+    // Add methods to `Stack`.
+    Stack.prototype.clear = stackClear;
+    Stack.prototype['delete'] = stackDelete;
+    Stack.prototype.get = stackGet;
+    Stack.prototype.has = stackHas;
+    Stack.prototype.set = stackSet;
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates an array of the enumerable property names of the array-like `value`.
+     *
+     * @private
+     * @param {*} value The value to query.
+     * @param {boolean} inherited Specify returning inherited property names.
+     * @returns {Array} Returns the array of property names.
+     */
+    function arrayLikeKeys(value, inherited) {
+      var isArr = isArray(value),
+          isArg = !isArr && isArguments(value),
+          isBuff = !isArr && !isArg && isBuffer(value),
+          isType = !isArr && !isArg && !isBuff && isTypedArray(value),
+          skipIndexes = isArr || isArg || isBuff || isType,
+          result = skipIndexes ? baseTimes(value.length, String) : [],
+          length = result.length;
+
+      for (var key in value) {
+        if ((inherited || hasOwnProperty.call(value, key)) &&
+            !(skipIndexes && (
+               // Safari 9 has enumerable `arguments.length` in strict mode.
+               key == 'length' ||
+               // Node.js 0.10 has enumerable non-index properties on buffers.
+               (isBuff && (key == 'offset' || key == 'parent')) ||
+               // PhantomJS 2 has enumerable non-index properties on typed arrays.
+               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||
+               // Skip index properties.
+               isIndex(key, length)
+            ))) {
+          result.push(key);
+        }
+      }
+      return result;
+    }
+
+    /**
+     * A specialized version of `_.sample` for arrays.
+     *
+     * @private
+     * @param {Array} array The array to sample.
+     * @returns {*} Returns the random element.
+     */
+    function arraySample(array) {
+      var length = array.length;
+      return length ? array[baseRandom(0, length - 1)] : undefined;
+    }
+
+    /**
+     * A specialized version of `_.sampleSize` for arrays.
+     *
+     * @private
+     * @param {Array} array The array to sample.
+     * @param {number} n The number of elements to sample.
+     * @returns {Array} Returns the random elements.
+     */
+    function arraySampleSize(array, n) {
+      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));
+    }
+
+    /**
+     * A specialized version of `_.shuffle` for arrays.
+     *
+     * @private
+     * @param {Array} array The array to shuffle.
+     * @returns {Array} Returns the new shuffled array.
+     */
+    function arrayShuffle(array) {
+      return shuffleSelf(copyArray(array));
+    }
+
+    /**
+     * This function is like `assignValue` except that it doesn't assign
+     * `undefined` values.
+     *
+     * @private
+     * @param {Object} object The object to modify.
+     * @param {string} key The key of the property to assign.
+     * @param {*} value The value to assign.
+     */
+    function assignMergeValue(object, key, value) {
+      if ((value !== undefined && !eq(object[key], value)) ||
+          (value === undefined && !(key in object))) {
+        baseAssignValue(object, key, value);
+      }
+    }
+
+    /**
+     * Assigns `value` to `key` of `object` if the existing value is not equivalent
+     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+     * for equality comparisons.
+     *
+     * @private
+     * @param {Object} object The object to modify.
+     * @param {string} key The key of the property to assign.
+     * @param {*} value The value to assign.
+     */
+    function assignValue(object, key, value) {
+      var objValue = object[key];
+      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||
+          (value === undefined && !(key in object))) {
+        baseAssignValue(object, key, value);
+      }
+    }
+
+    /**
+     * Gets the index at which the `key` is found in `array` of key-value pairs.
+     *
+     * @private
+     * @param {Array} array The array to inspect.
+     * @param {*} key The key to search for.
+     * @returns {number} Returns the index of the matched value, else `-1`.
+     */
+    function assocIndexOf(array, key) {
+      var length = array.length;
+      while (length--) {
+        if (eq(array[length][0], key)) {
+          return length;
+        }
+      }
+      return -1;
+    }
+
+    /**
+     * Aggregates elements of `collection` on `accumulator` with keys transformed
+     * by `iteratee` and values set by `setter`.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} setter The function to set `accumulator` values.
+     * @param {Function} iteratee The iteratee to transform keys.
+     * @param {Object} accumulator The initial aggregated object.
+     * @returns {Function} Returns `accumulator`.
+     */
+    function baseAggregator(collection, setter, iteratee, accumulator) {
+      baseEach(collection, function(value, key, collection) {
+        setter(accumulator, value, iteratee(value), collection);
+      });
+      return accumulator;
+    }
+
+    /**
+     * The base implementation of `_.assign` without support for multiple sources
+     * or `customizer` functions.
+     *
+     * @private
+     * @param {Object} object The destination object.
+     * @param {Object} source The source object.
+     * @returns {Object} Returns `object`.
+     */
+    function baseAssign(object, source) {
+      return object && copyObject(source, keys(source), object);
+    }
+
+    /**
+     * The base implementation of `_.assignIn` without support for multiple sources
+     * or `customizer` functions.
+     *
+     * @private
+     * @param {Object} object The destination object.
+     * @param {Object} source The source object.
+     * @returns {Object} Returns `object`.
+     */
+    function baseAssignIn(object, source) {
+      return object && copyObject(source, keysIn(source), object);
+    }
+
+    /**
+     * The base implementation of `assignValue` and `assignMergeValue` without
+     * value checks.
+     *
+     * @private
+     * @param {Object} object The object to modify.
+     * @param {string} key The key of the property to assign.
+     * @param {*} value The value to assign.
+     */
+    function baseAssignValue(object, key, value) {
+      if (key == '__proto__' && defineProperty) {
+        defineProperty(object, key, {
+          'configurable': true,
+          'enumerable': true,
+          'value': value,
+          'writable': true
+        });
+      } else {
+        object[key] = value;
+      }
+    }
+
+    /**
+     * The base implementation of `_.at` without support for individual paths.
+     *
+     * @private
+     * @param {Object} object The object to iterate over.
+     * @param {string[]} paths The property paths to pick.
+     * @returns {Array} Returns the picked elements.
+     */
+    function baseAt(object, paths) {
+      var index = -1,
+          length = paths.length,
+          result = Array(length),
+          skip = object == null;
+
+      while (++index < length) {
+        result[index] = skip ? undefined : get(object, paths[index]);
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.clamp` which doesn't coerce arguments.
+     *
+     * @private
+     * @param {number} number The number to clamp.
+     * @param {number} [lower] The lower bound.
+     * @param {number} upper The upper bound.
+     * @returns {number} Returns the clamped number.
+     */
+    function baseClamp(number, lower, upper) {
+      if (number === number) {
+        if (upper !== undefined) {
+          number = number <= upper ? number : upper;
+        }
+        if (lower !== undefined) {
+          number = number >= lower ? number : lower;
+        }
+      }
+      return number;
+    }
+
+    /**
+     * The base implementation of `_.clone` and `_.cloneDeep` which tracks
+     * traversed objects.
+     *
+     * @private
+     * @param {*} value The value to clone.
+     * @param {boolean} bitmask The bitmask flags.
+     *  1 - Deep clone
+     *  2 - Flatten inherited properties
+     *  4 - Clone symbols
+     * @param {Function} [customizer] The function to customize cloning.
+     * @param {string} [key] The key of `value`.
+     * @param {Object} [object] The parent object of `value`.
+     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.
+     * @returns {*} Returns the cloned value.
+     */
+    function baseClone(value, bitmask, customizer, key, object, stack) {
+      var result,
+          isDeep = bitmask & CLONE_DEEP_FLAG,
+          isFlat = bitmask & CLONE_FLAT_FLAG,
+          isFull = bitmask & CLONE_SYMBOLS_FLAG;
+
+      if (customizer) {
+        result = object ? customizer(value, key, object, stack) : customizer(value);
+      }
+      if (result !== undefined) {
+        return result;
+      }
+      if (!isObject(value)) {
+        return value;
+      }
+      var isArr = isArray(value);
+      if (isArr) {
+        result = initCloneArray(value);
+        if (!isDeep) {
+          return copyArray(value, result);
+        }
+      } else {
+        var tag = getTag(value),
+            isFunc = tag == funcTag || tag == genTag;
+
+        if (isBuffer(value)) {
+          return cloneBuffer(value, isDeep);
+        }
+        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {
+          result = (isFlat || isFunc) ? {} : initCloneObject(value);
+          if (!isDeep) {
+            return isFlat
+              ? copySymbolsIn(value, baseAssignIn(result, value))
+              : copySymbols(value, baseAssign(result, value));
+          }
+        } else {
+          if (!cloneableTags[tag]) {
+            return object ? value : {};
+          }
+          result = initCloneByTag(value, tag, baseClone, isDeep);
+        }
+      }
+      // Check for circular references and return its corresponding clone.
+      stack || (stack = new Stack);
+      var stacked = stack.get(value);
+      if (stacked) {
+        return stacked;
+      }
+      stack.set(value, result);
+
+      var keysFunc = isFull
+        ? (isFlat ? getAllKeysIn : getAllKeys)
+        : (isFlat ? keysIn : keys);
+
+      var props = isArr ? undefined : keysFunc(value);
+      arrayEach(props || value, function(subValue, key) {
+        if (props) {
+          key = subValue;
+          subValue = value[key];
+        }
+        // Recursively populate clone (susceptible to call stack limits).
+        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));
+      });
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.conforms` which doesn't clone `source`.
+     *
+     * @private
+     * @param {Object} source The object of property predicates to conform to.
+     * @returns {Function} Returns the new spec function.
+     */
+    function baseConforms(source) {
+      var props = keys(source);
+      return function(object) {
+        return baseConformsTo(object, source, props);
+      };
+    }
+
+    /**
+     * The base implementation of `_.conformsTo` which accepts `props` to check.
+     *
+     * @private
+     * @param {Object} object The object to inspect.
+     * @param {Object} source The object of property predicates to conform to.
+     * @returns {boolean} Returns `true` if `object` conforms, else `false`.
+     */
+    function baseConformsTo(object, source, props) {
+      var length = props.length;
+      if (object == null) {
+        return !length;
+      }
+      object = Object(object);
+      while (length--) {
+        var key = props[length],
+            predicate = source[key],
+            value = object[key];
+
+        if ((value === undefined && !(key in object)) || !predicate(value)) {
+          return false;
+        }
+      }
+      return true;
+    }
+
+    /**
+     * The base implementation of `_.delay` and `_.defer` which accepts `args`
+     * to provide to `func`.
+     *
+     * @private
+     * @param {Function} func The function to delay.
+     * @param {number} wait The number of milliseconds to delay invocation.
+     * @param {Array} args The arguments to provide to `func`.
+     * @returns {number|Object} Returns the timer id or timeout object.
+     */
+    function baseDelay(func, wait, args) {
+      if (typeof func != 'function') {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      return setTimeout(function() { func.apply(undefined, args); }, wait);
+    }
+
+    /**
+     * The base implementation of methods like `_.difference` without support
+     * for excluding multiple arrays or iteratee shorthands.
+     *
+     * @private
+     * @param {Array} array The array to inspect.
+     * @param {Array} values The values to exclude.
+     * @param {Function} [iteratee] The iteratee invoked per element.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns the new array of filtered values.
+     */
+    function baseDifference(array, values, iteratee, comparator) {
+      var index = -1,
+          includes = arrayIncludes,
+          isCommon = true,
+          length = array.length,
+          result = [],
+          valuesLength = values.length;
+
+      if (!length) {
+        return result;
+      }
+      if (iteratee) {
+        values = arrayMap(values, baseUnary(iteratee));
+      }
+      if (comparator) {
+        includes = arrayIncludesWith;
+        isCommon = false;
+      }
+      else if (values.length >= LARGE_ARRAY_SIZE) {
+        includes = cacheHas;
+        isCommon = false;
+        values = new SetCache(values);
+      }
+      outer:
+      while (++index < length) {
+        var value = array[index],
+            computed = iteratee == null ? value : iteratee(value);
+
+        value = (comparator || value !== 0) ? value : 0;
+        if (isCommon && computed === computed) {
+          var valuesIndex = valuesLength;
+          while (valuesIndex--) {
+            if (values[valuesIndex] === computed) {
+              continue outer;
+            }
+          }
+          result.push(value);
+        }
+        else if (!includes(values, computed, comparator)) {
+          result.push(value);
+        }
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.forEach` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {Array|Object} Returns `collection`.
+     */
+    var baseEach = createBaseEach(baseForOwn);
+
+    /**
+     * The base implementation of `_.forEachRight` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {Array|Object} Returns `collection`.
+     */
+    var baseEachRight = createBaseEach(baseForOwnRight, true);
+
+    /**
+     * The base implementation of `_.every` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} predicate The function invoked per iteration.
+     * @returns {boolean} Returns `true` if all elements pass the predicate check,
+     *  else `false`
+     */
+    function baseEvery(collection, predicate) {
+      var result = true;
+      baseEach(collection, function(value, index, collection) {
+        result = !!predicate(value, index, collection);
+        return result;
+      });
+      return result;
+    }
+
+    /**
+     * The base implementation of methods like `_.max` and `_.min` which accepts a
+     * `comparator` to determine the extremum value.
+     *
+     * @private
+     * @param {Array} array The array to iterate over.
+     * @param {Function} iteratee The iteratee invoked per iteration.
+     * @param {Function} comparator The comparator used to compare values.
+     * @returns {*} Returns the extremum value.
+     */
+    function baseExtremum(array, iteratee, comparator) {
+      var index = -1,
+          length = array.length;
+
+      while (++index < length) {
+        var value = array[index],
+            current = iteratee(value);
+
+        if (current != null && (computed === undefined
+              ? (current === current && !isSymbol(current))
+              : comparator(current, computed)
+            )) {
+          var computed = current,
+              result = value;
+        }
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.fill` without an iteratee call guard.
+     *
+     * @private
+     * @param {Array} array The array to fill.
+     * @param {*} value The value to fill `array` with.
+     * @param {number} [start=0] The start position.
+     * @param {number} [end=array.length] The end position.
+     * @returns {Array} Returns `array`.
+     */
+    function baseFill(array, value, start, end) {
+      var length = array.length;
+
+      start = toInteger(start);
+      if (start < 0) {
+        start = -start > length ? 0 : (length + start);
+      }
+      end = (end === undefined || end > length) ? length : toInteger(end);
+      if (end < 0) {
+        end += length;
+      }
+      end = start > end ? 0 : toLength(end);
+      while (start < end) {
+        array[start++] = value;
+      }
+      return array;
+    }
+
+    /**
+     * The base implementation of `_.filter` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} predicate The function invoked per iteration.
+     * @returns {Array} Returns the new filtered array.
+     */
+    function baseFilter(collection, predicate) {
+      var result = [];
+      baseEach(collection, function(value, index, collection) {
+        if (predicate(value, index, collection)) {
+          result.push(value);
+        }
+      });
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.flatten` with support for restricting flattening.
+     *
+     * @private
+     * @param {Array} array The array to flatten.
+     * @param {number} depth The maximum recursion depth.
+     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.
+     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.
+     * @param {Array} [result=[]] The initial result value.
+     * @returns {Array} Returns the new flattened array.
+     */
+    function baseFlatten(array, depth, predicate, isStrict, result) {
+      var index = -1,
+          length = array.length;
+
+      predicate || (predicate = isFlattenable);
+      result || (result = []);
+
+      while (++index < length) {
+        var value = array[index];
+        if (depth > 0 && predicate(value)) {
+          if (depth > 1) {
+            // Recursively flatten arrays (susceptible to call stack limits).
+            baseFlatten(value, depth - 1, predicate, isStrict, result);
+          } else {
+            arrayPush(result, value);
+          }
+        } else if (!isStrict) {
+          result[result.length] = value;
+        }
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `baseForOwn` which iterates over `object`
+     * properties returned by `keysFunc` and invokes `iteratee` for each property.
+     * Iteratee functions may exit iteration early by explicitly returning `false`.
+     *
+     * @private
+     * @param {Object} object The object to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @param {Function} keysFunc The function to get the keys of `object`.
+     * @returns {Object} Returns `object`.
+     */
+    var baseFor = createBaseFor();
+
+    /**
+     * This function is like `baseFor` except that it iterates over properties
+     * in the opposite order.
+     *
+     * @private
+     * @param {Object} object The object to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @param {Function} keysFunc The function to get the keys of `object`.
+     * @returns {Object} Returns `object`.
+     */
+    var baseForRight = createBaseFor(true);
+
+    /**
+     * The base implementation of `_.forOwn` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Object} object The object to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {Object} Returns `object`.
+     */
+    function baseForOwn(object, iteratee) {
+      return object && baseFor(object, iteratee, keys);
+    }
+
+    /**
+     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Object} object The object to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {Object} Returns `object`.
+     */
+    function baseForOwnRight(object, iteratee) {
+      return object && baseForRight(object, iteratee, keys);
+    }
+
+    /**
+     * The base implementation of `_.functions` which creates an array of
+     * `object` function property names filtered from `props`.
+     *
+     * @private
+     * @param {Object} object The object to inspect.
+     * @param {Array} props The property names to filter.
+     * @returns {Array} Returns the function names.
+     */
+    function baseFunctions(object, props) {
+      return arrayFilter(props, function(key) {
+        return isFunction(object[key]);
+      });
+    }
+
+    /**
+     * The base implementation of `_.get` without support for default values.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @param {Array|string} path The path of the property to get.
+     * @returns {*} Returns the resolved value.
+     */
+    function baseGet(object, path) {
+      path = castPath(path, object);
+
+      var index = 0,
+          length = path.length;
+
+      while (object != null && index < length) {
+        object = object[toKey(path[index++])];
+      }
+      return (index && index == length) ? object : undefined;
+    }
+
+    /**
+     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses
+     * `keysFunc` and `symbolsFunc` to get the enumerable property names and
+     * symbols of `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @param {Function} keysFunc The function to get the keys of `object`.
+     * @param {Function} symbolsFunc The function to get the symbols of `object`.
+     * @returns {Array} Returns the array of property names and symbols.
+     */
+    function baseGetAllKeys(object, keysFunc, symbolsFunc) {
+      var result = keysFunc(object);
+      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));
+    }
+
+    /**
+     * The base implementation of `getTag` without fallbacks for buggy environments.
+     *
+     * @private
+     * @param {*} value The value to query.
+     * @returns {string} Returns the `toStringTag`.
+     */
+    function baseGetTag(value) {
+      if (value == null) {
+        return value === undefined ? undefinedTag : nullTag;
+      }
+      return (symToStringTag && symToStringTag in Object(value))
+        ? getRawTag(value)
+        : objectToString(value);
+    }
+
+    /**
+     * The base implementation of `_.gt` which doesn't coerce arguments.
+     *
+     * @private
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {boolean} Returns `true` if `value` is greater than `other`,
+     *  else `false`.
+     */
+    function baseGt(value, other) {
+      return value > other;
+    }
+
+    /**
+     * The base implementation of `_.has` without support for deep paths.
+     *
+     * @private
+     * @param {Object} [object] The object to query.
+     * @param {Array|string} key The key to check.
+     * @returns {boolean} Returns `true` if `key` exists, else `false`.
+     */
+    function baseHas(object, key) {
+      return object != null && hasOwnProperty.call(object, key);
+    }
+
+    /**
+     * The base implementation of `_.hasIn` without support for deep paths.
+     *
+     * @private
+     * @param {Object} [object] The object to query.
+     * @param {Array|string} key The key to check.
+     * @returns {boolean} Returns `true` if `key` exists, else `false`.
+     */
+    function baseHasIn(object, key) {
+      return object != null && key in Object(object);
+    }
+
+    /**
+     * The base implementation of `_.inRange` which doesn't coerce arguments.
+     *
+     * @private
+     * @param {number} number The number to check.
+     * @param {number} start The start of the range.
+     * @param {number} end The end of the range.
+     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.
+     */
+    function baseInRange(number, start, end) {
+      return number >= nativeMin(start, end) && number < nativeMax(start, end);
+    }
+
+    /**
+     * The base implementation of methods like `_.intersection`, without support
+     * for iteratee shorthands, that accepts an array of arrays to inspect.
+     *
+     * @private
+     * @param {Array} arrays The arrays to inspect.
+     * @param {Function} [iteratee] The iteratee invoked per element.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns the new array of shared values.
+     */
+    function baseIntersection(arrays, iteratee, comparator) {
+      var includes = comparator ? arrayIncludesWith : arrayIncludes,
+          length = arrays[0].length,
+          othLength = arrays.length,
+          othIndex = othLength,
+          caches = Array(othLength),
+          maxLength = Infinity,
+          result = [];
+
+      while (othIndex--) {
+        var array = arrays[othIndex];
+        if (othIndex && iteratee) {
+          array = arrayMap(array, baseUnary(iteratee));
+        }
+        maxLength = nativeMin(array.length, maxLength);
+        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))
+          ? new SetCache(othIndex && array)
+          : undefined;
+      }
+      array = arrays[0];
+
+      var index = -1,
+          seen = caches[0];
+
+      outer:
+      while (++index < length && result.length < maxLength) {
+        var value = array[index],
+            computed = iteratee ? iteratee(value) : value;
+
+        value = (comparator || value !== 0) ? value : 0;
+        if (!(seen
+              ? cacheHas(seen, computed)
+              : includes(result, computed, comparator)
+            )) {
+          othIndex = othLength;
+          while (--othIndex) {
+            var cache = caches[othIndex];
+            if (!(cache
+                  ? cacheHas(cache, computed)
+                  : includes(arrays[othIndex], computed, comparator))
+                ) {
+              continue outer;
+            }
+          }
+          if (seen) {
+            seen.push(computed);
+          }
+          result.push(value);
+        }
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.invert` and `_.invertBy` which inverts
+     * `object` with values transformed by `iteratee` and set by `setter`.
+     *
+     * @private
+     * @param {Object} object The object to iterate over.
+     * @param {Function} setter The function to set `accumulator` values.
+     * @param {Function} iteratee The iteratee to transform values.
+     * @param {Object} accumulator The initial inverted object.
+     * @returns {Function} Returns `accumulator`.
+     */
+    function baseInverter(object, setter, iteratee, accumulator) {
+      baseForOwn(object, function(value, key, object) {
+        setter(accumulator, iteratee(value), key, object);
+      });
+      return accumulator;
+    }
+
+    /**
+     * The base implementation of `_.invoke` without support for individual
+     * method arguments.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @param {Array|string} path The path of the method to invoke.
+     * @param {Array} args The arguments to invoke the method with.
+     * @returns {*} Returns the result of the invoked method.
+     */
+    function baseInvoke(object, path, args) {
+      path = castPath(path, object);
+      object = parent(object, path);
+      var func = object == null ? object : object[toKey(last(path))];
+      return func == null ? undefined : apply(func, object, args);
+    }
+
+    /**
+     * The base implementation of `_.isArguments`.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is an `arguments` object,
+     */
+    function baseIsArguments(value) {
+      return isObjectLike(value) && baseGetTag(value) == argsTag;
+    }
+
+    /**
+     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.
+     */
+    function baseIsArrayBuffer(value) {
+      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;
+    }
+
+    /**
+     * The base implementation of `_.isDate` without Node.js optimizations.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.
+     */
+    function baseIsDate(value) {
+      return isObjectLike(value) && baseGetTag(value) == dateTag;
+    }
+
+    /**
+     * The base implementation of `_.isEqual` which supports partial comparisons
+     * and tracks traversed objects.
+     *
+     * @private
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @param {boolean} bitmask The bitmask flags.
+     *  1 - Unordered comparison
+     *  2 - Partial comparison
+     * @param {Function} [customizer] The function to customize comparisons.
+     * @param {Object} [stack] Tracks traversed `value` and `other` objects.
+     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+     */
+    function baseIsEqual(value, other, bitmask, customizer, stack) {
+      if (value === other) {
+        return true;
+      }
+      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {
+        return value !== value && other !== other;
+      }
+      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);
+    }
+
+    /**
+     * A specialized version of `baseIsEqual` for arrays and objects which performs
+     * deep comparisons and tracks traversed objects enabling objects with circular
+     * references to be compared.
+     *
+     * @private
+     * @param {Object} object The object to compare.
+     * @param {Object} other The other object to compare.
+     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+     * @param {Function} customizer The function to customize comparisons.
+     * @param {Function} equalFunc The function to determine equivalents of values.
+     * @param {Object} [stack] Tracks traversed `object` and `other` objects.
+     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+     */
+    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {
+      var objIsArr = isArray(object),
+          othIsArr = isArray(other),
+          objTag = objIsArr ? arrayTag : getTag(object),
+          othTag = othIsArr ? arrayTag : getTag(other);
+
+      objTag = objTag == argsTag ? objectTag : objTag;
+      othTag = othTag == argsTag ? objectTag : othTag;
+
+      var objIsObj = objTag == objectTag,
+          othIsObj = othTag == objectTag,
+          isSameTag = objTag == othTag;
+
+      if (isSameTag && isBuffer(object)) {
+        if (!isBuffer(other)) {
+          return false;
+        }
+        objIsArr = true;
+        objIsObj = false;
+      }
+      if (isSameTag && !objIsObj) {
+        stack || (stack = new Stack);
+        return (objIsArr || isTypedArray(object))
+          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)
+          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);
+      }
+      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {
+        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
+            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');
+
+        if (objIsWrapped || othIsWrapped) {
+          var objUnwrapped = objIsWrapped ? object.value() : object,
+              othUnwrapped = othIsWrapped ? other.value() : other;
+
+          stack || (stack = new Stack);
+          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);
+        }
+      }
+      if (!isSameTag) {
+        return false;
+      }
+      stack || (stack = new Stack);
+      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);
+    }
+
+    /**
+     * The base implementation of `_.isMap` without Node.js optimizations.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a map, else `false`.
+     */
+    function baseIsMap(value) {
+      return isObjectLike(value) && getTag(value) == mapTag;
+    }
+
+    /**
+     * The base implementation of `_.isMatch` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Object} object The object to inspect.
+     * @param {Object} source The object of property values to match.
+     * @param {Array} matchData The property names, values, and compare flags to match.
+     * @param {Function} [customizer] The function to customize comparisons.
+     * @returns {boolean} Returns `true` if `object` is a match, else `false`.
+     */
+    function baseIsMatch(object, source, matchData, customizer) {
+      var index = matchData.length,
+          length = index,
+          noCustomizer = !customizer;
+
+      if (object == null) {
+        return !length;
+      }
+      object = Object(object);
+      while (index--) {
+        var data = matchData[index];
+        if ((noCustomizer && data[2])
+              ? data[1] !== object[data[0]]
+              : !(data[0] in object)
+            ) {
+          return false;
+        }
+      }
+      while (++index < length) {
+        data = matchData[index];
+        var key = data[0],
+            objValue = object[key],
+            srcValue = data[1];
+
+        if (noCustomizer && data[2]) {
+          if (objValue === undefined && !(key in object)) {
+            return false;
+          }
+        } else {
+          var stack = new Stack;
+          if (customizer) {
+            var result = customizer(objValue, srcValue, key, object, source, stack);
+          }
+          if (!(result === undefined
+                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)
+                : result
+              )) {
+            return false;
+          }
+        }
+      }
+      return true;
+    }
+
+    /**
+     * The base implementation of `_.isNative` without bad shim checks.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a native function,
+     *  else `false`.
+     */
+    function baseIsNative(value) {
+      if (!isObject(value) || isMasked(value)) {
+        return false;
+      }
+      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;
+      return pattern.test(toSource(value));
+    }
+
+    /**
+     * The base implementation of `_.isRegExp` without Node.js optimizations.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
+     */
+    function baseIsRegExp(value) {
+      return isObjectLike(value) && baseGetTag(value) == regexpTag;
+    }
+
+    /**
+     * The base implementation of `_.isSet` without Node.js optimizations.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a set, else `false`.
+     */
+    function baseIsSet(value) {
+      return isObjectLike(value) && getTag(value) == setTag;
+    }
+
+    /**
+     * The base implementation of `_.isTypedArray` without Node.js optimizations.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
+     */
+    function baseIsTypedArray(value) {
+      return isObjectLike(value) &&
+        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];
+    }
+
+    /**
+     * The base implementation of `_.iteratee`.
+     *
+     * @private
+     * @param {*} [value=_.identity] The value to convert to an iteratee.
+     * @returns {Function} Returns the iteratee.
+     */
+    function baseIteratee(value) {
+      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.
+      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.
+      if (typeof value == 'function') {
+        return value;
+      }
+      if (value == null) {
+        return identity;
+      }
+      if (typeof value == 'object') {
+        return isArray(value)
+          ? baseMatchesProperty(value[0], value[1])
+          : baseMatches(value);
+      }
+      return property(value);
+    }
+
+    /**
+     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property names.
+     */
+    function baseKeys(object) {
+      if (!isPrototype(object)) {
+        return nativeKeys(object);
+      }
+      var result = [];
+      for (var key in Object(object)) {
+        if (hasOwnProperty.call(object, key) && key != 'constructor') {
+          result.push(key);
+        }
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property names.
+     */
+    function baseKeysIn(object) {
+      if (!isObject(object)) {
+        return nativeKeysIn(object);
+      }
+      var isProto = isPrototype(object),
+          result = [];
+
+      for (var key in object) {
+        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {
+          result.push(key);
+        }
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.lt` which doesn't coerce arguments.
+     *
+     * @private
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {boolean} Returns `true` if `value` is less than `other`,
+     *  else `false`.
+     */
+    function baseLt(value, other) {
+      return value < other;
+    }
+
+    /**
+     * The base implementation of `_.map` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {Array} Returns the new mapped array.
+     */
+    function baseMap(collection, iteratee) {
+      var index = -1,
+          result = isArrayLike(collection) ? Array(collection.length) : [];
+
+      baseEach(collection, function(value, key, collection) {
+        result[++index] = iteratee(value, key, collection);
+      });
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.matches` which doesn't clone `source`.
+     *
+     * @private
+     * @param {Object} source The object of property values to match.
+     * @returns {Function} Returns the new spec function.
+     */
+    function baseMatches(source) {
+      var matchData = getMatchData(source);
+      if (matchData.length == 1 && matchData[0][2]) {
+        return matchesStrictComparable(matchData[0][0], matchData[0][1]);
+      }
+      return function(object) {
+        return object === source || baseIsMatch(object, source, matchData);
+      };
+    }
+
+    /**
+     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.
+     *
+     * @private
+     * @param {string} path The path of the property to get.
+     * @param {*} srcValue The value to match.
+     * @returns {Function} Returns the new spec function.
+     */
+    function baseMatchesProperty(path, srcValue) {
+      if (isKey(path) && isStrictComparable(srcValue)) {
+        return matchesStrictComparable(toKey(path), srcValue);
+      }
+      return function(object) {
+        var objValue = get(object, path);
+        return (objValue === undefined && objValue === srcValue)
+          ? hasIn(object, path)
+          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);
+      };
+    }
+
+    /**
+     * The base implementation of `_.merge` without support for multiple sources.
+     *
+     * @private
+     * @param {Object} object The destination object.
+     * @param {Object} source The source object.
+     * @param {number} srcIndex The index of `source`.
+     * @param {Function} [customizer] The function to customize merged values.
+     * @param {Object} [stack] Tracks traversed source values and their merged
+     *  counterparts.
+     */
+    function baseMerge(object, source, srcIndex, customizer, stack) {
+      if (object === source) {
+        return;
+      }
+      baseFor(source, function(srcValue, key) {
+        if (isObject(srcValue)) {
+          stack || (stack = new Stack);
+          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);
+        }
+        else {
+          var newValue = customizer
+            ? customizer(object[key], srcValue, (key + ''), object, source, stack)
+            : undefined;
+
+          if (newValue === undefined) {
+            newValue = srcValue;
+          }
+          assignMergeValue(object, key, newValue);
+        }
+      }, keysIn);
+    }
+
+    /**
+     * A specialized version of `baseMerge` for arrays and objects which performs
+     * deep merges and tracks traversed objects enabling objects with circular
+     * references to be merged.
+     *
+     * @private
+     * @param {Object} object The destination object.
+     * @param {Object} source The source object.
+     * @param {string} key The key of the value to merge.
+     * @param {number} srcIndex The index of `source`.
+     * @param {Function} mergeFunc The function to merge values.
+     * @param {Function} [customizer] The function to customize assigned values.
+     * @param {Object} [stack] Tracks traversed source values and their merged
+     *  counterparts.
+     */
+    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {
+      var objValue = object[key],
+          srcValue = source[key],
+          stacked = stack.get(srcValue);
+
+      if (stacked) {
+        assignMergeValue(object, key, stacked);
+        return;
+      }
+      var newValue = customizer
+        ? customizer(objValue, srcValue, (key + ''), object, source, stack)
+        : undefined;
+
+      var isCommon = newValue === undefined;
+
+      if (isCommon) {
+        var isArr = isArray(srcValue),
+            isBuff = !isArr && isBuffer(srcValue),
+            isTyped = !isArr && !isBuff && isTypedArray(srcValue);
+
+        newValue = srcValue;
+        if (isArr || isBuff || isTyped) {
+          if (isArray(objValue)) {
+            newValue = objValue;
+          }
+          else if (isArrayLikeObject(objValue)) {
+            newValue = copyArray(objValue);
+          }
+          else if (isBuff) {
+            isCommon = false;
+            newValue = cloneBuffer(srcValue, true);
+          }
+          else if (isTyped) {
+            isCommon = false;
+            newValue = cloneTypedArray(srcValue, true);
+          }
+          else {
+            newValue = [];
+          }
+        }
+        else if (isPlainObject(srcValue) || isArguments(srcValue)) {
+          newValue = objValue;
+          if (isArguments(objValue)) {
+            newValue = toPlainObject(objValue);
+          }
+          else if (!isObject(objValue) || (srcIndex && isFunction(objValue))) {
+            newValue = initCloneObject(srcValue);
+          }
+        }
+        else {
+          isCommon = false;
+        }
+      }
+      if (isCommon) {
+        // Recursively merge objects and arrays (susceptible to call stack limits).
+        stack.set(srcValue, newValue);
+        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);
+        stack['delete'](srcValue);
+      }
+      assignMergeValue(object, key, newValue);
+    }
+
+    /**
+     * The base implementation of `_.nth` which doesn't coerce arguments.
+     *
+     * @private
+     * @param {Array} array The array to query.
+     * @param {number} n The index of the element to return.
+     * @returns {*} Returns the nth element of `array`.
+     */
+    function baseNth(array, n) {
+      var length = array.length;
+      if (!length) {
+        return;
+      }
+      n += n < 0 ? length : 0;
+      return isIndex(n, length) ? array[n] : undefined;
+    }
+
+    /**
+     * The base implementation of `_.orderBy` without param guards.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.
+     * @param {string[]} orders The sort orders of `iteratees`.
+     * @returns {Array} Returns the new sorted array.
+     */
+    function baseOrderBy(collection, iteratees, orders) {
+      var index = -1;
+      iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee()));
+
+      var result = baseMap(collection, function(value, key, collection) {
+        var criteria = arrayMap(iteratees, function(iteratee) {
+          return iteratee(value);
+        });
+        return { 'criteria': criteria, 'index': ++index, 'value': value };
+      });
+
+      return baseSortBy(result, function(object, other) {
+        return compareMultiple(object, other, orders);
+      });
+    }
+
+    /**
+     * The base implementation of `_.pick` without support for individual
+     * property identifiers.
+     *
+     * @private
+     * @param {Object} object The source object.
+     * @param {string[]} paths The property paths to pick.
+     * @returns {Object} Returns the new object.
+     */
+    function basePick(object, paths) {
+      return basePickBy(object, paths, function(value, path) {
+        return hasIn(object, path);
+      });
+    }
+
+    /**
+     * The base implementation of  `_.pickBy` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Object} object The source object.
+     * @param {string[]} paths The property paths to pick.
+     * @param {Function} predicate The function invoked per property.
+     * @returns {Object} Returns the new object.
+     */
+    function basePickBy(object, paths, predicate) {
+      var index = -1,
+          length = paths.length,
+          result = {};
+
+      while (++index < length) {
+        var path = paths[index],
+            value = baseGet(object, path);
+
+        if (predicate(value, path)) {
+          baseSet(result, castPath(path, object), value);
+        }
+      }
+      return result;
+    }
+
+    /**
+     * A specialized version of `baseProperty` which supports deep paths.
+     *
+     * @private
+     * @param {Array|string} path The path of the property to get.
+     * @returns {Function} Returns the new accessor function.
+     */
+    function basePropertyDeep(path) {
+      return function(object) {
+        return baseGet(object, path);
+      };
+    }
+
+    /**
+     * The base implementation of `_.pullAllBy` without support for iteratee
+     * shorthands.
+     *
+     * @private
+     * @param {Array} array The array to modify.
+     * @param {Array} values The values to remove.
+     * @param {Function} [iteratee] The iteratee invoked per element.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns `array`.
+     */
+    function basePullAll(array, values, iteratee, comparator) {
+      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,
+          index = -1,
+          length = values.length,
+          seen = array;
+
+      if (array === values) {
+        values = copyArray(values);
+      }
+      if (iteratee) {
+        seen = arrayMap(array, baseUnary(iteratee));
+      }
+      while (++index < length) {
+        var fromIndex = 0,
+            value = values[index],
+            computed = iteratee ? iteratee(value) : value;
+
+        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {
+          if (seen !== array) {
+            splice.call(seen, fromIndex, 1);
+          }
+          splice.call(array, fromIndex, 1);
+        }
+      }
+      return array;
+    }
+
+    /**
+     * The base implementation of `_.pullAt` without support for individual
+     * indexes or capturing the removed elements.
+     *
+     * @private
+     * @param {Array} array The array to modify.
+     * @param {number[]} indexes The indexes of elements to remove.
+     * @returns {Array} Returns `array`.
+     */
+    function basePullAt(array, indexes) {
+      var length = array ? indexes.length : 0,
+          lastIndex = length - 1;
+
+      while (length--) {
+        var index = indexes[length];
+        if (length == lastIndex || index !== previous) {
+          var previous = index;
+          if (isIndex(index)) {
+            splice.call(array, index, 1);
+          } else {
+            baseUnset(array, index);
+          }
+        }
+      }
+      return array;
+    }
+
+    /**
+     * The base implementation of `_.random` without support for returning
+     * floating-point numbers.
+     *
+     * @private
+     * @param {number} lower The lower bound.
+     * @param {number} upper The upper bound.
+     * @returns {number} Returns the random number.
+     */
+    function baseRandom(lower, upper) {
+      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));
+    }
+
+    /**
+     * The base implementation of `_.range` and `_.rangeRight` which doesn't
+     * coerce arguments.
+     *
+     * @private
+     * @param {number} start The start of the range.
+     * @param {number} end The end of the range.
+     * @param {number} step The value to increment or decrement by.
+     * @param {boolean} [fromRight] Specify iterating from right to left.
+     * @returns {Array} Returns the range of numbers.
+     */
+    function baseRange(start, end, step, fromRight) {
+      var index = -1,
+          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),
+          result = Array(length);
+
+      while (length--) {
+        result[fromRight ? length : ++index] = start;
+        start += step;
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.repeat` which doesn't coerce arguments.
+     *
+     * @private
+     * @param {string} string The string to repeat.
+     * @param {number} n The number of times to repeat the string.
+     * @returns {string} Returns the repeated string.
+     */
+    function baseRepeat(string, n) {
+      var result = '';
+      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {
+        return result;
+      }
+      // Leverage the exponentiation by squaring algorithm for a faster repeat.
+      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.
+      do {
+        if (n % 2) {
+          result += string;
+        }
+        n = nativeFloor(n / 2);
+        if (n) {
+          string += string;
+        }
+      } while (n);
+
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.rest` which doesn't validate or coerce arguments.
+     *
+     * @private
+     * @param {Function} func The function to apply a rest parameter to.
+     * @param {number} [start=func.length-1] The start position of the rest parameter.
+     * @returns {Function} Returns the new function.
+     */
+    function baseRest(func, start) {
+      return setToString(overRest(func, start, identity), func + '');
+    }
+
+    /**
+     * The base implementation of `_.sample`.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to sample.
+     * @returns {*} Returns the random element.
+     */
+    function baseSample(collection) {
+      return arraySample(values(collection));
+    }
+
+    /**
+     * The base implementation of `_.sampleSize` without param guards.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to sample.
+     * @param {number} n The number of elements to sample.
+     * @returns {Array} Returns the random elements.
+     */
+    function baseSampleSize(collection, n) {
+      var array = values(collection);
+      return shuffleSelf(array, baseClamp(n, 0, array.length));
+    }
+
+    /**
+     * The base implementation of `_.set`.
+     *
+     * @private
+     * @param {Object} object The object to modify.
+     * @param {Array|string} path The path of the property to set.
+     * @param {*} value The value to set.
+     * @param {Function} [customizer] The function to customize path creation.
+     * @returns {Object} Returns `object`.
+     */
+    function baseSet(object, path, value, customizer) {
+      if (!isObject(object)) {
+        return object;
+      }
+      path = castPath(path, object);
+
+      var index = -1,
+          length = path.length,
+          lastIndex = length - 1,
+          nested = object;
+
+      while (nested != null && ++index < length) {
+        var key = toKey(path[index]),
+            newValue = value;
+
+        if (index != lastIndex) {
+          var objValue = nested[key];
+          newValue = customizer ? customizer(objValue, key, nested) : undefined;
+          if (newValue === undefined) {
+            newValue = isObject(objValue)
+              ? objValue
+              : (isIndex(path[index + 1]) ? [] : {});
+          }
+        }
+        assignValue(nested, key, newValue);
+        nested = nested[key];
+      }
+      return object;
+    }
+
+    /**
+     * The base implementation of `setData` without support for hot loop shorting.
+     *
+     * @private
+     * @param {Function} func The function to associate metadata with.
+     * @param {*} data The metadata.
+     * @returns {Function} Returns `func`.
+     */
+    var baseSetData = !metaMap ? identity : function(func, data) {
+      metaMap.set(func, data);
+      return func;
+    };
+
+    /**
+     * The base implementation of `setToString` without support for hot loop shorting.
+     *
+     * @private
+     * @param {Function} func The function to modify.
+     * @param {Function} string The `toString` result.
+     * @returns {Function} Returns `func`.
+     */
+    var baseSetToString = !defineProperty ? identity : function(func, string) {
+      return defineProperty(func, 'toString', {
+        'configurable': true,
+        'enumerable': false,
+        'value': constant(string),
+        'writable': true
+      });
+    };
+
+    /**
+     * The base implementation of `_.shuffle`.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to shuffle.
+     * @returns {Array} Returns the new shuffled array.
+     */
+    function baseShuffle(collection) {
+      return shuffleSelf(values(collection));
+    }
+
+    /**
+     * The base implementation of `_.slice` without an iteratee call guard.
+     *
+     * @private
+     * @param {Array} array The array to slice.
+     * @param {number} [start=0] The start position.
+     * @param {number} [end=array.length] The end position.
+     * @returns {Array} Returns the slice of `array`.
+     */
+    function baseSlice(array, start, end) {
+      var index = -1,
+          length = array.length;
+
+      if (start < 0) {
+        start = -start > length ? 0 : (length + start);
+      }
+      end = end > length ? length : end;
+      if (end < 0) {
+        end += length;
+      }
+      length = start > end ? 0 : ((end - start) >>> 0);
+      start >>>= 0;
+
+      var result = Array(length);
+      while (++index < length) {
+        result[index] = array[index + start];
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.some` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} predicate The function invoked per iteration.
+     * @returns {boolean} Returns `true` if any element passes the predicate check,
+     *  else `false`.
+     */
+    function baseSome(collection, predicate) {
+      var result;
+
+      baseEach(collection, function(value, index, collection) {
+        result = predicate(value, index, collection);
+        return !result;
+      });
+      return !!result;
+    }
+
+    /**
+     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which
+     * performs a binary search of `array` to determine the index at which `value`
+     * should be inserted into `array` in order to maintain its sort order.
+     *
+     * @private
+     * @param {Array} array The sorted array to inspect.
+     * @param {*} value The value to evaluate.
+     * @param {boolean} [retHighest] Specify returning the highest qualified index.
+     * @returns {number} Returns the index at which `value` should be inserted
+     *  into `array`.
+     */
+    function baseSortedIndex(array, value, retHighest) {
+      var low = 0,
+          high = array == null ? low : array.length;
+
+      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {
+        while (low < high) {
+          var mid = (low + high) >>> 1,
+              computed = array[mid];
+
+          if (computed !== null && !isSymbol(computed) &&
+              (retHighest ? (computed <= value) : (computed < value))) {
+            low = mid + 1;
+          } else {
+            high = mid;
+          }
+        }
+        return high;
+      }
+      return baseSortedIndexBy(array, value, identity, retHighest);
+    }
+
+    /**
+     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`
+     * which invokes `iteratee` for `value` and each element of `array` to compute
+     * their sort ranking. The iteratee is invoked with one argument; (value).
+     *
+     * @private
+     * @param {Array} array The sorted array to inspect.
+     * @param {*} value The value to evaluate.
+     * @param {Function} iteratee The iteratee invoked per element.
+     * @param {boolean} [retHighest] Specify returning the highest qualified index.
+     * @returns {number} Returns the index at which `value` should be inserted
+     *  into `array`.
+     */
+    function baseSortedIndexBy(array, value, iteratee, retHighest) {
+      value = iteratee(value);
+
+      var low = 0,
+          high = array == null ? 0 : array.length,
+          valIsNaN = value !== value,
+          valIsNull = value === null,
+          valIsSymbol = isSymbol(value),
+          valIsUndefined = value === undefined;
+
+      while (low < high) {
+        var mid = nativeFloor((low + high) / 2),
+            computed = iteratee(array[mid]),
+            othIsDefined = computed !== undefined,
+            othIsNull = computed === null,
+            othIsReflexive = computed === computed,
+            othIsSymbol = isSymbol(computed);
+
+        if (valIsNaN) {
+          var setLow = retHighest || othIsReflexive;
+        } else if (valIsUndefined) {
+          setLow = othIsReflexive && (retHighest || othIsDefined);
+        } else if (valIsNull) {
+          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);
+        } else if (valIsSymbol) {
+          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);
+        } else if (othIsNull || othIsSymbol) {
+          setLow = false;
+        } else {
+          setLow = retHighest ? (computed <= value) : (computed < value);
+        }
+        if (setLow) {
+          low = mid + 1;
+        } else {
+          high = mid;
+        }
+      }
+      return nativeMin(high, MAX_ARRAY_INDEX);
+    }
+
+    /**
+     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without
+     * support for iteratee shorthands.
+     *
+     * @private
+     * @param {Array} array The array to inspect.
+     * @param {Function} [iteratee] The iteratee invoked per element.
+     * @returns {Array} Returns the new duplicate free array.
+     */
+    function baseSortedUniq(array, iteratee) {
+      var index = -1,
+          length = array.length,
+          resIndex = 0,
+          result = [];
+
+      while (++index < length) {
+        var value = array[index],
+            computed = iteratee ? iteratee(value) : value;
+
+        if (!index || !eq(computed, seen)) {
+          var seen = computed;
+          result[resIndex++] = value === 0 ? 0 : value;
+        }
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.toNumber` which doesn't ensure correct
+     * conversions of binary, hexadecimal, or octal string values.
+     *
+     * @private
+     * @param {*} value The value to process.
+     * @returns {number} Returns the number.
+     */
+    function baseToNumber(value) {
+      if (typeof value == 'number') {
+        return value;
+      }
+      if (isSymbol(value)) {
+        return NAN;
+      }
+      return +value;
+    }
+
+    /**
+     * The base implementation of `_.toString` which doesn't convert nullish
+     * values to empty strings.
+     *
+     * @private
+     * @param {*} value The value to process.
+     * @returns {string} Returns the string.
+     */
+    function baseToString(value) {
+      // Exit early for strings to avoid a performance hit in some environments.
+      if (typeof value == 'string') {
+        return value;
+      }
+      if (isArray(value)) {
+        // Recursively convert values (susceptible to call stack limits).
+        return arrayMap(value, baseToString) + '';
+      }
+      if (isSymbol(value)) {
+        return symbolToString ? symbolToString.call(value) : '';
+      }
+      var result = (value + '');
+      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
+    }
+
+    /**
+     * The base implementation of `_.uniqBy` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Array} array The array to inspect.
+     * @param {Function} [iteratee] The iteratee invoked per element.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns the new duplicate free array.
+     */
+    function baseUniq(array, iteratee, comparator) {
+      var index = -1,
+          includes = arrayIncludes,
+          length = array.length,
+          isCommon = true,
+          result = [],
+          seen = result;
+
+      if (comparator) {
+        isCommon = false;
+        includes = arrayIncludesWith;
+      }
+      else if (length >= LARGE_ARRAY_SIZE) {
+        var set = iteratee ? null : createSet(array);
+        if (set) {
+          return setToArray(set);
+        }
+        isCommon = false;
+        includes = cacheHas;
+        seen = new SetCache;
+      }
+      else {
+        seen = iteratee ? [] : result;
+      }
+      outer:
+      while (++index < length) {
+        var value = array[index],
+            computed = iteratee ? iteratee(value) : value;
+
+        value = (comparator || value !== 0) ? value : 0;
+        if (isCommon && computed === computed) {
+          var seenIndex = seen.length;
+          while (seenIndex--) {
+            if (seen[seenIndex] === computed) {
+              continue outer;
+            }
+          }
+          if (iteratee) {
+            seen.push(computed);
+          }
+          result.push(value);
+        }
+        else if (!includes(seen, computed, comparator)) {
+          if (seen !== result) {
+            seen.push(computed);
+          }
+          result.push(value);
+        }
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.unset`.
+     *
+     * @private
+     * @param {Object} object The object to modify.
+     * @param {Array|string} path The property path to unset.
+     * @returns {boolean} Returns `true` if the property is deleted, else `false`.
+     */
+    function baseUnset(object, path) {
+      path = castPath(path, object);
+      object = parent(object, path);
+      return object == null || delete object[toKey(last(path))];
+    }
+
+    /**
+     * The base implementation of `_.update`.
+     *
+     * @private
+     * @param {Object} object The object to modify.
+     * @param {Array|string} path The path of the property to update.
+     * @param {Function} updater The function to produce the updated value.
+     * @param {Function} [customizer] The function to customize path creation.
+     * @returns {Object} Returns `object`.
+     */
+    function baseUpdate(object, path, updater, customizer) {
+      return baseSet(object, path, updater(baseGet(object, path)), customizer);
+    }
+
+    /**
+     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`
+     * without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Array} array The array to query.
+     * @param {Function} predicate The function invoked per iteration.
+     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.
+     * @param {boolean} [fromRight] Specify iterating from right to left.
+     * @returns {Array} Returns the slice of `array`.
+     */
+    function baseWhile(array, predicate, isDrop, fromRight) {
+      var length = array.length,
+          index = fromRight ? length : -1;
+
+      while ((fromRight ? index-- : ++index < length) &&
+        predicate(array[index], index, array)) {}
+
+      return isDrop
+        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))
+        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));
+    }
+
+    /**
+     * The base implementation of `wrapperValue` which returns the result of
+     * performing a sequence of actions on the unwrapped `value`, where each
+     * successive action is supplied the return value of the previous.
+     *
+     * @private
+     * @param {*} value The unwrapped value.
+     * @param {Array} actions Actions to perform to resolve the unwrapped value.
+     * @returns {*} Returns the resolved value.
+     */
+    function baseWrapperValue(value, actions) {
+      var result = value;
+      if (result instanceof LazyWrapper) {
+        result = result.value();
+      }
+      return arrayReduce(actions, function(result, action) {
+        return action.func.apply(action.thisArg, arrayPush([result], action.args));
+      }, result);
+    }
+
+    /**
+     * The base implementation of methods like `_.xor`, without support for
+     * iteratee shorthands, that accepts an array of arrays to inspect.
+     *
+     * @private
+     * @param {Array} arrays The arrays to inspect.
+     * @param {Function} [iteratee] The iteratee invoked per element.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns the new array of values.
+     */
+    function baseXor(arrays, iteratee, comparator) {
+      var length = arrays.length;
+      if (length < 2) {
+        return length ? baseUniq(arrays[0]) : [];
+      }
+      var index = -1,
+          result = Array(length);
+
+      while (++index < length) {
+        var array = arrays[index],
+            othIndex = -1;
+
+        while (++othIndex < length) {
+          if (othIndex != index) {
+            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);
+          }
+        }
+      }
+      return baseUniq(baseFlatten(result, 1), iteratee, comparator);
+    }
+
+    /**
+     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.
+     *
+     * @private
+     * @param {Array} props The property identifiers.
+     * @param {Array} values The property values.
+     * @param {Function} assignFunc The function to assign values.
+     * @returns {Object} Returns the new object.
+     */
+    function baseZipObject(props, values, assignFunc) {
+      var index = -1,
+          length = props.length,
+          valsLength = values.length,
+          result = {};
+
+      while (++index < length) {
+        var value = index < valsLength ? values[index] : undefined;
+        assignFunc(result, props[index], value);
+      }
+      return result;
+    }
+
+    /**
+     * Casts `value` to an empty array if it's not an array like object.
+     *
+     * @private
+     * @param {*} value The value to inspect.
+     * @returns {Array|Object} Returns the cast array-like object.
+     */
+    function castArrayLikeObject(value) {
+      return isArrayLikeObject(value) ? value : [];
+    }
+
+    /**
+     * Casts `value` to `identity` if it's not a function.
+     *
+     * @private
+     * @param {*} value The value to inspect.
+     * @returns {Function} Returns cast function.
+     */
+    function castFunction(value) {
+      return typeof value == 'function' ? value : identity;
+    }
+
+    /**
+     * Casts `value` to a path array if it's not one.
+     *
+     * @private
+     * @param {*} value The value to inspect.
+     * @param {Object} [object] The object to query keys on.
+     * @returns {Array} Returns the cast property path array.
+     */
+    function castPath(value, object) {
+      if (isArray(value)) {
+        return value;
+      }
+      return isKey(value, object) ? [value] : stringToPath(toString(value));
+    }
+
+    /**
+     * A `baseRest` alias which can be replaced with `identity` by module
+     * replacement plugins.
+     *
+     * @private
+     * @type {Function}
+     * @param {Function} func The function to apply a rest parameter to.
+     * @returns {Function} Returns the new function.
+     */
+    var castRest = baseRest;
+
+    /**
+     * Casts `array` to a slice if it's needed.
+     *
+     * @private
+     * @param {Array} array The array to inspect.
+     * @param {number} start The start position.
+     * @param {number} [end=array.length] The end position.
+     * @returns {Array} Returns the cast slice.
+     */
+    function castSlice(array, start, end) {
+      var length = array.length;
+      end = end === undefined ? length : end;
+      return (!start && end >= length) ? array : baseSlice(array, start, end);
+    }
+
+    /**
+     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).
+     *
+     * @private
+     * @param {number|Object} id The timer id or timeout object of the timer to clear.
+     */
+    var clearTimeout = ctxClearTimeout || function(id) {
+      return root.clearTimeout(id);
+    };
+
+    /**
+     * Creates a clone of  `buffer`.
+     *
+     * @private
+     * @param {Buffer} buffer The buffer to clone.
+     * @param {boolean} [isDeep] Specify a deep clone.
+     * @returns {Buffer} Returns the cloned buffer.
+     */
+    function cloneBuffer(buffer, isDeep) {
+      if (isDeep) {
+        return buffer.slice();
+      }
+      var length = buffer.length,
+          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);
+
+      buffer.copy(result);
+      return result;
+    }
+
+    /**
+     * Creates a clone of `arrayBuffer`.
+     *
+     * @private
+     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.
+     * @returns {ArrayBuffer} Returns the cloned array buffer.
+     */
+    function cloneArrayBuffer(arrayBuffer) {
+      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);
+      new Uint8Array(result).set(new Uint8Array(arrayBuffer));
+      return result;
+    }
+
+    /**
+     * Creates a clone of `dataView`.
+     *
+     * @private
+     * @param {Object} dataView The data view to clone.
+     * @param {boolean} [isDeep] Specify a deep clone.
+     * @returns {Object} Returns the cloned data view.
+     */
+    function cloneDataView(dataView, isDeep) {
+      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;
+      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);
+    }
+
+    /**
+     * Creates a clone of `map`.
+     *
+     * @private
+     * @param {Object} map The map to clone.
+     * @param {Function} cloneFunc The function to clone values.
+     * @param {boolean} [isDeep] Specify a deep clone.
+     * @returns {Object} Returns the cloned map.
+     */
+    function cloneMap(map, isDeep, cloneFunc) {
+      var array = isDeep ? cloneFunc(mapToArray(map), CLONE_DEEP_FLAG) : mapToArray(map);
+      return arrayReduce(array, addMapEntry, new map.constructor);
+    }
+
+    /**
+     * Creates a clone of `regexp`.
+     *
+     * @private
+     * @param {Object} regexp The regexp to clone.
+     * @returns {Object} Returns the cloned regexp.
+     */
+    function cloneRegExp(regexp) {
+      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));
+      result.lastIndex = regexp.lastIndex;
+      return result;
+    }
+
+    /**
+     * Creates a clone of `set`.
+     *
+     * @private
+     * @param {Object} set The set to clone.
+     * @param {Function} cloneFunc The function to clone values.
+     * @param {boolean} [isDeep] Specify a deep clone.
+     * @returns {Object} Returns the cloned set.
+     */
+    function cloneSet(set, isDeep, cloneFunc) {
+      var array = isDeep ? cloneFunc(setToArray(set), CLONE_DEEP_FLAG) : setToArray(set);
+      return arrayReduce(array, addSetEntry, new set.constructor);
+    }
+
+    /**
+     * Creates a clone of the `symbol` object.
+     *
+     * @private
+     * @param {Object} symbol The symbol object to clone.
+     * @returns {Object} Returns the cloned symbol object.
+     */
+    function cloneSymbol(symbol) {
+      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};
+    }
+
+    /**
+     * Creates a clone of `typedArray`.
+     *
+     * @private
+     * @param {Object} typedArray The typed array to clone.
+     * @param {boolean} [isDeep] Specify a deep clone.
+     * @returns {Object} Returns the cloned typed array.
+     */
+    function cloneTypedArray(typedArray, isDeep) {
+      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;
+      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);
+    }
+
+    /**
+     * Compares values to sort them in ascending order.
+     *
+     * @private
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {number} Returns the sort order indicator for `value`.
+     */
+    function compareAscending(value, other) {
+      if (value !== other) {
+        var valIsDefined = value !== undefined,
+            valIsNull = value === null,
+            valIsReflexive = value === value,
+            valIsSymbol = isSymbol(value);
+
+        var othIsDefined = other !== undefined,
+            othIsNull = other === null,
+            othIsReflexive = other === other,
+            othIsSymbol = isSymbol(other);
+
+        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||
+            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||
+            (valIsNull && othIsDefined && othIsReflexive) ||
+            (!valIsDefined && othIsReflexive) ||
+            !valIsReflexive) {
+          return 1;
+        }
+        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||
+            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||
+            (othIsNull && valIsDefined && valIsReflexive) ||
+            (!othIsDefined && valIsReflexive) ||
+            !othIsReflexive) {
+          return -1;
+        }
+      }
+      return 0;
+    }
+
+    /**
+     * Used by `_.orderBy` to compare multiple properties of a value to another
+     * and stable sort them.
+     *
+     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,
+     * specify an order of "desc" for descending or "asc" for ascending sort order
+     * of corresponding values.
+     *
+     * @private
+     * @param {Object} object The object to compare.
+     * @param {Object} other The other object to compare.
+     * @param {boolean[]|string[]} orders The order to sort by for each property.
+     * @returns {number} Returns the sort order indicator for `object`.
+     */
+    function compareMultiple(object, other, orders) {
+      var index = -1,
+          objCriteria = object.criteria,
+          othCriteria = other.criteria,
+          length = objCriteria.length,
+          ordersLength = orders.length;
+
+      while (++index < length) {
+        var result = compareAscending(objCriteria[index], othCriteria[index]);
+        if (result) {
+          if (index >= ordersLength) {
+            return result;
+          }
+          var order = orders[index];
+          return result * (order == 'desc' ? -1 : 1);
+        }
+      }
+      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications
+      // that causes it, under certain circumstances, to provide the same value for
+      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247
+      // for more details.
+      //
+      // This also ensures a stable sort in V8 and other engines.
+      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.
+      return object.index - other.index;
+    }
+
+    /**
+     * Creates an array that is the composition of partially applied arguments,
+     * placeholders, and provided arguments into a single array of arguments.
+     *
+     * @private
+     * @param {Array} args The provided arguments.
+     * @param {Array} partials The arguments to prepend to those provided.
+     * @param {Array} holders The `partials` placeholder indexes.
+     * @params {boolean} [isCurried] Specify composing for a curried function.
+     * @returns {Array} Returns the new array of composed arguments.
+     */
+    function composeArgs(args, partials, holders, isCurried) {
+      var argsIndex = -1,
+          argsLength = args.length,
+          holdersLength = holders.length,
+          leftIndex = -1,
+          leftLength = partials.length,
+          rangeLength = nativeMax(argsLength - holdersLength, 0),
+          result = Array(leftLength + rangeLength),
+          isUncurried = !isCurried;
+
+      while (++leftIndex < leftLength) {
+        result[leftIndex] = partials[leftIndex];
+      }
+      while (++argsIndex < holdersLength) {
+        if (isUncurried || argsIndex < argsLength) {
+          result[holders[argsIndex]] = args[argsIndex];
+        }
+      }
+      while (rangeLength--) {
+        result[leftIndex++] = args[argsIndex++];
+      }
+      return result;
+    }
+
+    /**
+     * This function is like `composeArgs` except that the arguments composition
+     * is tailored for `_.partialRight`.
+     *
+     * @private
+     * @param {Array} args The provided arguments.
+     * @param {Array} partials The arguments to append to those provided.
+     * @param {Array} holders The `partials` placeholder indexes.
+     * @params {boolean} [isCurried] Specify composing for a curried function.
+     * @returns {Array} Returns the new array of composed arguments.
+     */
+    function composeArgsRight(args, partials, holders, isCurried) {
+      var argsIndex = -1,
+          argsLength = args.length,
+          holdersIndex = -1,
+          holdersLength = holders.length,
+          rightIndex = -1,
+          rightLength = partials.length,
+          rangeLength = nativeMax(argsLength - holdersLength, 0),
+          result = Array(rangeLength + rightLength),
+          isUncurried = !isCurried;
+
+      while (++argsIndex < rangeLength) {
+        result[argsIndex] = args[argsIndex];
+      }
+      var offset = argsIndex;
+      while (++rightIndex < rightLength) {
+        result[offset + rightIndex] = partials[rightIndex];
+      }
+      while (++holdersIndex < holdersLength) {
+        if (isUncurried || argsIndex < argsLength) {
+          result[offset + holders[holdersIndex]] = args[argsIndex++];
+        }
+      }
+      return result;
+    }
+
+    /**
+     * Copies the values of `source` to `array`.
+     *
+     * @private
+     * @param {Array} source The array to copy values from.
+     * @param {Array} [array=[]] The array to copy values to.
+     * @returns {Array} Returns `array`.
+     */
+    function copyArray(source, array) {
+      var index = -1,
+          length = source.length;
+
+      array || (array = Array(length));
+      while (++index < length) {
+        array[index] = source[index];
+      }
+      return array;
+    }
+
+    /**
+     * Copies properties of `source` to `object`.
+     *
+     * @private
+     * @param {Object} source The object to copy properties from.
+     * @param {Array} props The property identifiers to copy.
+     * @param {Object} [object={}] The object to copy properties to.
+     * @param {Function} [customizer] The function to customize copied values.
+     * @returns {Object} Returns `object`.
+     */
+    function copyObject(source, props, object, customizer) {
+      var isNew = !object;
+      object || (object = {});
+
+      var index = -1,
+          length = props.length;
+
+      while (++index < length) {
+        var key = props[index];
+
+        var newValue = customizer
+          ? customizer(object[key], source[key], key, object, source)
+          : undefined;
+
+        if (newValue === undefined) {
+          newValue = source[key];
+        }
+        if (isNew) {
+          baseAssignValue(object, key, newValue);
+        } else {
+          assignValue(object, key, newValue);
+        }
+      }
+      return object;
+    }
+
+    /**
+     * Copies own symbols of `source` to `object`.
+     *
+     * @private
+     * @param {Object} source The object to copy symbols from.
+     * @param {Object} [object={}] The object to copy symbols to.
+     * @returns {Object} Returns `object`.
+     */
+    function copySymbols(source, object) {
+      return copyObject(source, getSymbols(source), object);
+    }
+
+    /**
+     * Copies own and inherited symbols of `source` to `object`.
+     *
+     * @private
+     * @param {Object} source The object to copy symbols from.
+     * @param {Object} [object={}] The object to copy symbols to.
+     * @returns {Object} Returns `object`.
+     */
+    function copySymbolsIn(source, object) {
+      return copyObject(source, getSymbolsIn(source), object);
+    }
+
+    /**
+     * Creates a function like `_.groupBy`.
+     *
+     * @private
+     * @param {Function} setter The function to set accumulator values.
+     * @param {Function} [initializer] The accumulator object initializer.
+     * @returns {Function} Returns the new aggregator function.
+     */
+    function createAggregator(setter, initializer) {
+      return function(collection, iteratee) {
+        var func = isArray(collection) ? arrayAggregator : baseAggregator,
+            accumulator = initializer ? initializer() : {};
+
+        return func(collection, setter, getIteratee(iteratee, 2), accumulator);
+      };
+    }
+
+    /**
+     * Creates a function like `_.assign`.
+     *
+     * @private
+     * @param {Function} assigner The function to assign values.
+     * @returns {Function} Returns the new assigner function.
+     */
+    function createAssigner(assigner) {
+      return baseRest(function(object, sources) {
+        var index = -1,
+            length = sources.length,
+            customizer = length > 1 ? sources[length - 1] : undefined,
+            guard = length > 2 ? sources[2] : undefined;
+
+        customizer = (assigner.length > 3 && typeof customizer == 'function')
+          ? (length--, customizer)
+          : undefined;
+
+        if (guard && isIterateeCall(sources[0], sources[1], guard)) {
+          customizer = length < 3 ? undefined : customizer;
+          length = 1;
+        }
+        object = Object(object);
+        while (++index < length) {
+          var source = sources[index];
+          if (source) {
+            assigner(object, source, index, customizer);
+          }
+        }
+        return object;
+      });
+    }
+
+    /**
+     * Creates a `baseEach` or `baseEachRight` function.
+     *
+     * @private
+     * @param {Function} eachFunc The function to iterate over a collection.
+     * @param {boolean} [fromRight] Specify iterating from right to left.
+     * @returns {Function} Returns the new base function.
+     */
+    function createBaseEach(eachFunc, fromRight) {
+      return function(collection, iteratee) {
+        if (collection == null) {
+          return collection;
+        }
+        if (!isArrayLike(collection)) {
+          return eachFunc(collection, iteratee);
+        }
+        var length = collection.length,
+            index = fromRight ? length : -1,
+            iterable = Object(collection);
+
+        while ((fromRight ? index-- : ++index < length)) {
+          if (iteratee(iterable[index], index, iterable) === false) {
+            break;
+          }
+        }
+        return collection;
+      };
+    }
+
+    /**
+     * Creates a base function for methods like `_.forIn` and `_.forOwn`.
+     *
+     * @private
+     * @param {boolean} [fromRight] Specify iterating from right to left.
+     * @returns {Function} Returns the new base function.
+     */
+    function createBaseFor(fromRight) {
+      return function(object, iteratee, keysFunc) {
+        var index = -1,
+            iterable = Object(object),
+            props = keysFunc(object),
+            length = props.length;
+
+        while (length--) {
+          var key = props[fromRight ? length : ++index];
+          if (iteratee(iterable[key], key, iterable) === false) {
+            break;
+          }
+        }
+        return object;
+      };
+    }
+
+    /**
+     * Creates a function that wraps `func` to invoke it with the optional `this`
+     * binding of `thisArg`.
+     *
+     * @private
+     * @param {Function} func The function to wrap.
+     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+     * @param {*} [thisArg] The `this` binding of `func`.
+     * @returns {Function} Returns the new wrapped function.
+     */
+    function createBind(func, bitmask, thisArg) {
+      var isBind = bitmask & WRAP_BIND_FLAG,
+          Ctor = createCtor(func);
+
+      function wrapper() {
+        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
+        return fn.apply(isBind ? thisArg : this, arguments);
+      }
+      return wrapper;
+    }
+
+    /**
+     * Creates a function like `_.lowerFirst`.
+     *
+     * @private
+     * @param {string} methodName The name of the `String` case method to use.
+     * @returns {Function} Returns the new case function.
+     */
+    function createCaseFirst(methodName) {
+      return function(string) {
+        string = toString(string);
+
+        var strSymbols = hasUnicode(string)
+          ? stringToArray(string)
+          : undefined;
+
+        var chr = strSymbols
+          ? strSymbols[0]
+          : string.charAt(0);
+
+        var trailing = strSymbols
+          ? castSlice(strSymbols, 1).join('')
+          : string.slice(1);
+
+        return chr[methodName]() + trailing;
+      };
+    }
+
+    /**
+     * Creates a function like `_.camelCase`.
+     *
+     * @private
+     * @param {Function} callback The function to combine each word.
+     * @returns {Function} Returns the new compounder function.
+     */
+    function createCompounder(callback) {
+      return function(string) {
+        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');
+      };
+    }
+
+    /**
+     * Creates a function that produces an instance of `Ctor` regardless of
+     * whether it was invoked as part of a `new` expression or by `call` or `apply`.
+     *
+     * @private
+     * @param {Function} Ctor The constructor to wrap.
+     * @returns {Function} Returns the new wrapped function.
+     */
+    function createCtor(Ctor) {
+      return function() {
+        // Use a `switch` statement to work with class constructors. See
+        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist
+        // for more details.
+        var args = arguments;
+        switch (args.length) {
+          case 0: return new Ctor;
+          case 1: return new Ctor(args[0]);
+          case 2: return new Ctor(args[0], args[1]);
+          case 3: return new Ctor(args[0], args[1], args[2]);
+          case 4: return new Ctor(args[0], args[1], args[2], args[3]);
+          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);
+          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);
+          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
+        }
+        var thisBinding = baseCreate(Ctor.prototype),
+            result = Ctor.apply(thisBinding, args);
+
+        // Mimic the constructor's `return` behavior.
+        // See https://es5.github.io/#x13.2.2 for more details.
+        return isObject(result) ? result : thisBinding;
+      };
+    }
+
+    /**
+     * Creates a function that wraps `func` to enable currying.
+     *
+     * @private
+     * @param {Function} func The function to wrap.
+     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+     * @param {number} arity The arity of `func`.
+     * @returns {Function} Returns the new wrapped function.
+     */
+    function createCurry(func, bitmask, arity) {
+      var Ctor = createCtor(func);
+
+      function wrapper() {
+        var length = arguments.length,
+            args = Array(length),
+            index = length,
+            placeholder = getHolder(wrapper);
+
+        while (index--) {
+          args[index] = arguments[index];
+        }
+        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)
+          ? []
+          : replaceHolders(args, placeholder);
+
+        length -= holders.length;
+        if (length < arity) {
+          return createRecurry(
+            func, bitmask, createHybrid, wrapper.placeholder, undefined,
+            args, holders, undefined, undefined, arity - length);
+        }
+        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
+        return apply(fn, this, args);
+      }
+      return wrapper;
+    }
+
+    /**
+     * Creates a `_.find` or `_.findLast` function.
+     *
+     * @private
+     * @param {Function} findIndexFunc The function to find the collection index.
+     * @returns {Function} Returns the new find function.
+     */
+    function createFind(findIndexFunc) {
+      return function(collection, predicate, fromIndex) {
+        var iterable = Object(collection);
+        if (!isArrayLike(collection)) {
+          var iteratee = getIteratee(predicate, 3);
+          collection = keys(collection);
+          predicate = function(key) { return iteratee(iterable[key], key, iterable); };
+        }
+        var index = findIndexFunc(collection, predicate, fromIndex);
+        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;
+      };
+    }
+
+    /**
+     * Creates a `_.flow` or `_.flowRight` function.
+     *
+     * @private
+     * @param {boolean} [fromRight] Specify iterating from right to left.
+     * @returns {Function} Returns the new flow function.
+     */
+    function createFlow(fromRight) {
+      return flatRest(function(funcs) {
+        var length = funcs.length,
+            index = length,
+            prereq = LodashWrapper.prototype.thru;
+
+        if (fromRight) {
+          funcs.reverse();
+        }
+        while (index--) {
+          var func = funcs[index];
+          if (typeof func != 'function') {
+            throw new TypeError(FUNC_ERROR_TEXT);
+          }
+          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {
+            var wrapper = new LodashWrapper([], true);
+          }
+        }
+        index = wrapper ? index : length;
+        while (++index < length) {
+          func = funcs[index];
+
+          var funcName = getFuncName(func),
+              data = funcName == 'wrapper' ? getData(func) : undefined;
+
+          if (data && isLaziable(data[0]) &&
+                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&
+                !data[4].length && data[9] == 1
+              ) {
+            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);
+          } else {
+            wrapper = (func.length == 1 && isLaziable(func))
+              ? wrapper[funcName]()
+              : wrapper.thru(func);
+          }
+        }
+        return function() {
+          var args = arguments,
+              value = args[0];
+
+          if (wrapper && args.length == 1 && isArray(value)) {
+            return wrapper.plant(value).value();
+          }
+          var index = 0,
+              result = length ? funcs[index].apply(this, args) : value;
+
+          while (++index < length) {
+            result = funcs[index].call(this, result);
+          }
+          return result;
+        };
+      });
+    }
+
+    /**
+     * Creates a function that wraps `func` to invoke it with optional `this`
+     * binding of `thisArg`, partial application, and currying.
+     *
+     * @private
+     * @param {Function|string} func The function or method name to wrap.
+     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+     * @param {*} [thisArg] The `this` binding of `func`.
+     * @param {Array} [partials] The arguments to prepend to those provided to
+     *  the new function.
+     * @param {Array} [holders] The `partials` placeholder indexes.
+     * @param {Array} [partialsRight] The arguments to append to those provided
+     *  to the new function.
+     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.
+     * @param {Array} [argPos] The argument positions of the new function.
+     * @param {number} [ary] The arity cap of `func`.
+     * @param {number} [arity] The arity of `func`.
+     * @returns {Function} Returns the new wrapped function.
+     */
+    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {
+      var isAry = bitmask & WRAP_ARY_FLAG,
+          isBind = bitmask & WRAP_BIND_FLAG,
+          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,
+          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),
+          isFlip = bitmask & WRAP_FLIP_FLAG,
+          Ctor = isBindKey ? undefined : createCtor(func);
+
+      function wrapper() {
+        var length = arguments.length,
+            args = Array(length),
+            index = length;
+
+        while (index--) {
+          args[index] = arguments[index];
+        }
+        if (isCurried) {
+          var placeholder = getHolder(wrapper),
+              holdersCount = countHolders(args, placeholder);
+        }
+        if (partials) {
+          args = composeArgs(args, partials, holders, isCurried);
+        }
+        if (partialsRight) {
+          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);
+        }
+        length -= holdersCount;
+        if (isCurried && length < arity) {
+          var newHolders = replaceHolders(args, placeholder);
+          return createRecurry(
+            func, bitmask, createHybrid, wrapper.placeholder, thisArg,
+            args, newHolders, argPos, ary, arity - length
+          );
+        }
+        var thisBinding = isBind ? thisArg : this,
+            fn = isBindKey ? thisBinding[func] : func;
+
+        length = args.length;
+        if (argPos) {
+          args = reorder(args, argPos);
+        } else if (isFlip && length > 1) {
+          args.reverse();
+        }
+        if (isAry && ary < length) {
+          args.length = ary;
+        }
+        if (this && this !== root && this instanceof wrapper) {
+          fn = Ctor || createCtor(fn);
+        }
+        return fn.apply(thisBinding, args);
+      }
+      return wrapper;
+    }
+
+    /**
+     * Creates a function like `_.invertBy`.
+     *
+     * @private
+     * @param {Function} setter The function to set accumulator values.
+     * @param {Function} toIteratee The function to resolve iteratees.
+     * @returns {Function} Returns the new inverter function.
+     */
+    function createInverter(setter, toIteratee) {
+      return function(object, iteratee) {
+        return baseInverter(object, setter, toIteratee(iteratee), {});
+      };
+    }
+
+    /**
+     * Creates a function that performs a mathematical operation on two values.
+     *
+     * @private
+     * @param {Function} operator The function to perform the operation.
+     * @param {number} [defaultValue] The value used for `undefined` arguments.
+     * @returns {Function} Returns the new mathematical operation function.
+     */
+    function createMathOperation(operator, defaultValue) {
+      return function(value, other) {
+        var result;
+        if (value === undefined && other === undefined) {
+          return defaultValue;
+        }
+        if (value !== undefined) {
+          result = value;
+        }
+        if (other !== undefined) {
+          if (result === undefined) {
+            return other;
+          }
+          if (typeof value == 'string' || typeof other == 'string') {
+            value = baseToString(value);
+            other = baseToString(other);
+          } else {
+            value = baseToNumber(value);
+            other = baseToNumber(other);
+          }
+          result = operator(value, other);
+        }
+        return result;
+      };
+    }
+
+    /**
+     * Creates a function like `_.over`.
+     *
+     * @private
+     * @param {Function} arrayFunc The function to iterate over iteratees.
+     * @returns {Function} Returns the new over function.
+     */
+    function createOver(arrayFunc) {
+      return flatRest(function(iteratees) {
+        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));
+        return baseRest(function(args) {
+          var thisArg = this;
+          return arrayFunc(iteratees, function(iteratee) {
+            return apply(iteratee, thisArg, args);
+          });
+        });
+      });
+    }
+
+    /**
+     * Creates the padding for `string` based on `length`. The `chars` string
+     * is truncated if the number of characters exceeds `length`.
+     *
+     * @private
+     * @param {number} length The padding length.
+     * @param {string} [chars=' '] The string used as padding.
+     * @returns {string} Returns the padding for `string`.
+     */
+    function createPadding(length, chars) {
+      chars = chars === undefined ? ' ' : baseToString(chars);
+
+      var charsLength = chars.length;
+      if (charsLength < 2) {
+        return charsLength ? baseRepeat(chars, length) : chars;
+      }
+      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));
+      return hasUnicode(chars)
+        ? castSlice(stringToArray(result), 0, length).join('')
+        : result.slice(0, length);
+    }
+
+    /**
+     * Creates a function that wraps `func` to invoke it with the `this` binding
+     * of `thisArg` and `partials` prepended to the arguments it receives.
+     *
+     * @private
+     * @param {Function} func The function to wrap.
+     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+     * @param {*} thisArg The `this` binding of `func`.
+     * @param {Array} partials The arguments to prepend to those provided to
+     *  the new function.
+     * @returns {Function} Returns the new wrapped function.
+     */
+    function createPartial(func, bitmask, thisArg, partials) {
+      var isBind = bitmask & WRAP_BIND_FLAG,
+          Ctor = createCtor(func);
+
+      function wrapper() {
+        var argsIndex = -1,
+            argsLength = arguments.length,
+            leftIndex = -1,
+            leftLength = partials.length,
+            args = Array(leftLength + argsLength),
+            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
+
+        while (++leftIndex < leftLength) {
+          args[leftIndex] = partials[leftIndex];
+        }
+        while (argsLength--) {
+          args[leftIndex++] = arguments[++argsIndex];
+        }
+        return apply(fn, isBind ? thisArg : this, args);
+      }
+      return wrapper;
+    }
+
+    /**
+     * Creates a `_.range` or `_.rangeRight` function.
+     *
+     * @private
+     * @param {boolean} [fromRight] Specify iterating from right to left.
+     * @returns {Function} Returns the new range function.
+     */
+    function createRange(fromRight) {
+      return function(start, end, step) {
+        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {
+          end = step = undefined;
+        }
+        // Ensure the sign of `-0` is preserved.
+        start = toFinite(start);
+        if (end === undefined) {
+          end = start;
+          start = 0;
+        } else {
+          end = toFinite(end);
+        }
+        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);
+        return baseRange(start, end, step, fromRight);
+      };
+    }
+
+    /**
+     * Creates a function that performs a relational operation on two values.
+     *
+     * @private
+     * @param {Function} operator The function to perform the operation.
+     * @returns {Function} Returns the new relational operation function.
+     */
+    function createRelationalOperation(operator) {
+      return function(value, other) {
+        if (!(typeof value == 'string' && typeof other == 'string')) {
+          value = toNumber(value);
+          other = toNumber(other);
+        }
+        return operator(value, other);
+      };
+    }
+
+    /**
+     * Creates a function that wraps `func` to continue currying.
+     *
+     * @private
+     * @param {Function} func The function to wrap.
+     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+     * @param {Function} wrapFunc The function to create the `func` wrapper.
+     * @param {*} placeholder The placeholder value.
+     * @param {*} [thisArg] The `this` binding of `func`.
+     * @param {Array} [partials] The arguments to prepend to those provided to
+     *  the new function.
+     * @param {Array} [holders] The `partials` placeholder indexes.
+     * @param {Array} [argPos] The argument positions of the new function.
+     * @param {number} [ary] The arity cap of `func`.
+     * @param {number} [arity] The arity of `func`.
+     * @returns {Function} Returns the new wrapped function.
+     */
+    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {
+      var isCurry = bitmask & WRAP_CURRY_FLAG,
+          newHolders = isCurry ? holders : undefined,
+          newHoldersRight = isCurry ? undefined : holders,
+          newPartials = isCurry ? partials : undefined,
+          newPartialsRight = isCurry ? undefined : partials;
+
+      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);
+      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);
+
+      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {
+        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);
+      }
+      var newData = [
+        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,
+        newHoldersRight, argPos, ary, arity
+      ];
+
+      var result = wrapFunc.apply(undefined, newData);
+      if (isLaziable(func)) {
+        setData(result, newData);
+      }
+      result.placeholder = placeholder;
+      return setWrapToString(result, func, bitmask);
+    }
+
+    /**
+     * Creates a function like `_.round`.
+     *
+     * @private
+     * @param {string} methodName The name of the `Math` method to use when rounding.
+     * @returns {Function} Returns the new round function.
+     */
+    function createRound(methodName) {
+      var func = Math[methodName];
+      return function(number, precision) {
+        number = toNumber(number);
+        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);
+        if (precision) {
+          // Shift with exponential notation to avoid floating-point issues.
+          // See [MDN](https://mdn.io/round#Examples) for more details.
+          var pair = (toString(number) + 'e').split('e'),
+              value = func(pair[0] + 'e' + (+pair[1] + precision));
+
+          pair = (toString(value) + 'e').split('e');
+          return +(pair[0] + 'e' + (+pair[1] - precision));
+        }
+        return func(number);
+      };
+    }
+
+    /**
+     * Creates a set object of `values`.
+     *
+     * @private
+     * @param {Array} values The values to add to the set.
+     * @returns {Object} Returns the new set.
+     */
+    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {
+      return new Set(values);
+    };
+
+    /**
+     * Creates a `_.toPairs` or `_.toPairsIn` function.
+     *
+     * @private
+     * @param {Function} keysFunc The function to get the keys of a given object.
+     * @returns {Function} Returns the new pairs function.
+     */
+    function createToPairs(keysFunc) {
+      return function(object) {
+        var tag = getTag(object);
+        if (tag == mapTag) {
+          return mapToArray(object);
+        }
+        if (tag == setTag) {
+          return setToPairs(object);
+        }
+        return baseToPairs(object, keysFunc(object));
+      };
+    }
+
+    /**
+     * Creates a function that either curries or invokes `func` with optional
+     * `this` binding and partially applied arguments.
+     *
+     * @private
+     * @param {Function|string} func The function or method name to wrap.
+     * @param {number} bitmask The bitmask flags.
+     *    1 - `_.bind`
+     *    2 - `_.bindKey`
+     *    4 - `_.curry` or `_.curryRight` of a bound function
+     *    8 - `_.curry`
+     *   16 - `_.curryRight`
+     *   32 - `_.partial`
+     *   64 - `_.partialRight`
+     *  128 - `_.rearg`
+     *  256 - `_.ary`
+     *  512 - `_.flip`
+     * @param {*} [thisArg] The `this` binding of `func`.
+     * @param {Array} [partials] The arguments to be partially applied.
+     * @param {Array} [holders] The `partials` placeholder indexes.
+     * @param {Array} [argPos] The argument positions of the new function.
+     * @param {number} [ary] The arity cap of `func`.
+     * @param {number} [arity] The arity of `func`.
+     * @returns {Function} Returns the new wrapped function.
+     */
+    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {
+      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;
+      if (!isBindKey && typeof func != 'function') {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      var length = partials ? partials.length : 0;
+      if (!length) {
+        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);
+        partials = holders = undefined;
+      }
+      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);
+      arity = arity === undefined ? arity : toInteger(arity);
+      length -= holders ? holders.length : 0;
+
+      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {
+        var partialsRight = partials,
+            holdersRight = holders;
+
+        partials = holders = undefined;
+      }
+      var data = isBindKey ? undefined : getData(func);
+
+      var newData = [
+        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,
+        argPos, ary, arity
+      ];
+
+      if (data) {
+        mergeData(newData, data);
+      }
+      func = newData[0];
+      bitmask = newData[1];
+      thisArg = newData[2];
+      partials = newData[3];
+      holders = newData[4];
+      arity = newData[9] = newData[9] === undefined
+        ? (isBindKey ? 0 : func.length)
+        : nativeMax(newData[9] - length, 0);
+
+      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {
+        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);
+      }
+      if (!bitmask || bitmask == WRAP_BIND_FLAG) {
+        var result = createBind(func, bitmask, thisArg);
+      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {
+        result = createCurry(func, bitmask, arity);
+      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {
+        result = createPartial(func, bitmask, thisArg, partials);
+      } else {
+        result = createHybrid.apply(undefined, newData);
+      }
+      var setter = data ? baseSetData : setData;
+      return setWrapToString(setter(result, newData), func, bitmask);
+    }
+
+    /**
+     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties
+     * of source objects to the destination object for all destination properties
+     * that resolve to `undefined`.
+     *
+     * @private
+     * @param {*} objValue The destination value.
+     * @param {*} srcValue The source value.
+     * @param {string} key The key of the property to assign.
+     * @param {Object} object The parent object of `objValue`.
+     * @returns {*} Returns the value to assign.
+     */
+    function customDefaultsAssignIn(objValue, srcValue, key, object) {
+      if (objValue === undefined ||
+          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {
+        return srcValue;
+      }
+      return objValue;
+    }
+
+    /**
+     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source
+     * objects into destination objects that are passed thru.
+     *
+     * @private
+     * @param {*} objValue The destination value.
+     * @param {*} srcValue The source value.
+     * @param {string} key The key of the property to merge.
+     * @param {Object} object The parent object of `objValue`.
+     * @param {Object} source The parent object of `srcValue`.
+     * @param {Object} [stack] Tracks traversed source values and their merged
+     *  counterparts.
+     * @returns {*} Returns the value to assign.
+     */
+    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {
+      if (isObject(objValue) && isObject(srcValue)) {
+        // Recursively merge objects and arrays (susceptible to call stack limits).
+        stack.set(srcValue, objValue);
+        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);
+        stack['delete'](srcValue);
+      }
+      return objValue;
+    }
+
+    /**
+     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain
+     * objects.
+     *
+     * @private
+     * @param {*} value The value to inspect.
+     * @param {string} key The key of the property to inspect.
+     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.
+     */
+    function customOmitClone(value) {
+      return isPlainObject(value) ? undefined : value;
+    }
+
+    /**
+     * A specialized version of `baseIsEqualDeep` for arrays with support for
+     * partial deep comparisons.
+     *
+     * @private
+     * @param {Array} array The array to compare.
+     * @param {Array} other The other array to compare.
+     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+     * @param {Function} customizer The function to customize comparisons.
+     * @param {Function} equalFunc The function to determine equivalents of values.
+     * @param {Object} stack Tracks traversed `array` and `other` objects.
+     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
+     */
+    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {
+      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
+          arrLength = array.length,
+          othLength = other.length;
+
+      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {
+        return false;
+      }
+      // Assume cyclic values are equal.
+      var stacked = stack.get(array);
+      if (stacked && stack.get(other)) {
+        return stacked == other;
+      }
+      var index = -1,
+          result = true,
+          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;
+
+      stack.set(array, other);
+      stack.set(other, array);
+
+      // Ignore non-index properties.
+      while (++index < arrLength) {
+        var arrValue = array[index],
+            othValue = other[index];
+
+        if (customizer) {
+          var compared = isPartial
+            ? customizer(othValue, arrValue, index, other, array, stack)
+            : customizer(arrValue, othValue, index, array, other, stack);
+        }
+        if (compared !== undefined) {
+          if (compared) {
+            continue;
+          }
+          result = false;
+          break;
+        }
+        // Recursively compare arrays (susceptible to call stack limits).
+        if (seen) {
+          if (!arraySome(other, function(othValue, othIndex) {
+                if (!cacheHas(seen, othIndex) &&
+                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {
+                  return seen.push(othIndex);
+                }
+              })) {
+            result = false;
+            break;
+          }
+        } else if (!(
+              arrValue === othValue ||
+                equalFunc(arrValue, othValue, bitmask, customizer, stack)
+            )) {
+          result = false;
+          break;
+        }
+      }
+      stack['delete'](array);
+      stack['delete'](other);
+      return result;
+    }
+
+    /**
+     * A specialized version of `baseIsEqualDeep` for comparing objects of
+     * the same `toStringTag`.
+     *
+     * **Note:** This function only supports comparing values with tags of
+     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
+     *
+     * @private
+     * @param {Object} object The object to compare.
+     * @param {Object} other The other object to compare.
+     * @param {string} tag The `toStringTag` of the objects to compare.
+     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+     * @param {Function} customizer The function to customize comparisons.
+     * @param {Function} equalFunc The function to determine equivalents of values.
+     * @param {Object} stack Tracks traversed `object` and `other` objects.
+     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+     */
+    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {
+      switch (tag) {
+        case dataViewTag:
+          if ((object.byteLength != other.byteLength) ||
+              (object.byteOffset != other.byteOffset)) {
+            return false;
+          }
+          object = object.buffer;
+          other = other.buffer;
+
+        case arrayBufferTag:
+          if ((object.byteLength != other.byteLength) ||
+              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {
+            return false;
+          }
+          return true;
+
+        case boolTag:
+        case dateTag:
+        case numberTag:
+          // Coerce booleans to `1` or `0` and dates to milliseconds.
+          // Invalid dates are coerced to `NaN`.
+          return eq(+object, +other);
+
+        case errorTag:
+          return object.name == other.name && object.message == other.message;
+
+        case regexpTag:
+        case stringTag:
+          // Coerce regexes to strings and treat strings, primitives and objects,
+          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring
+          // for more details.
+          return object == (other + '');
+
+        case mapTag:
+          var convert = mapToArray;
+
+        case setTag:
+          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;
+          convert || (convert = setToArray);
+
+          if (object.size != other.size && !isPartial) {
+            return false;
+          }
+          // Assume cyclic values are equal.
+          var stacked = stack.get(object);
+          if (stacked) {
+            return stacked == other;
+          }
+          bitmask |= COMPARE_UNORDERED_FLAG;
+
+          // Recursively compare objects (susceptible to call stack limits).
+          stack.set(object, other);
+          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);
+          stack['delete'](object);
+          return result;
+
+        case symbolTag:
+          if (symbolValueOf) {
+            return symbolValueOf.call(object) == symbolValueOf.call(other);
+          }
+      }
+      return false;
+    }
+
+    /**
+     * A specialized version of `baseIsEqualDeep` for objects with support for
+     * partial deep comparisons.
+     *
+     * @private
+     * @param {Object} object The object to compare.
+     * @param {Object} other The other object to compare.
+     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+     * @param {Function} customizer The function to customize comparisons.
+     * @param {Function} equalFunc The function to determine equivalents of values.
+     * @param {Object} stack Tracks traversed `object` and `other` objects.
+     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+     */
+    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {
+      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
+          objProps = getAllKeys(object),
+          objLength = objProps.length,
+          othProps = getAllKeys(other),
+          othLength = othProps.length;
+
+      if (objLength != othLength && !isPartial) {
+        return false;
+      }
+      var index = objLength;
+      while (index--) {
+        var key = objProps[index];
+        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {
+          return false;
+        }
+      }
+      // Assume cyclic values are equal.
+      var stacked = stack.get(object);
+      if (stacked && stack.get(other)) {
+        return stacked == other;
+      }
+      var result = true;
+      stack.set(object, other);
+      stack.set(other, object);
+
+      var skipCtor = isPartial;
+      while (++index < objLength) {
+        key = objProps[index];
+        var objValue = object[key],
+            othValue = other[key];
+
+        if (customizer) {
+          var compared = isPartial
+            ? customizer(othValue, objValue, key, other, object, stack)
+            : customizer(objValue, othValue, key, object, other, stack);
+        }
+        // Recursively compare objects (susceptible to call stack limits).
+        if (!(compared === undefined
+              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))
+              : compared
+            )) {
+          result = false;
+          break;
+        }
+        skipCtor || (skipCtor = key == 'constructor');
+      }
+      if (result && !skipCtor) {
+        var objCtor = object.constructor,
+            othCtor = other.constructor;
+
+        // Non `Object` object instances with different constructors are not equal.
+        if (objCtor != othCtor &&
+            ('constructor' in object && 'constructor' in other) &&
+            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&
+              typeof othCtor == 'function' && othCtor instanceof othCtor)) {
+          result = false;
+        }
+      }
+      stack['delete'](object);
+      stack['delete'](other);
+      return result;
+    }
+
+    /**
+     * A specialized version of `baseRest` which flattens the rest array.
+     *
+     * @private
+     * @param {Function} func The function to apply a rest parameter to.
+     * @returns {Function} Returns the new function.
+     */
+    function flatRest(func) {
+      return setToString(overRest(func, undefined, flatten), func + '');
+    }
+
+    /**
+     * Creates an array of own enumerable property names and symbols of `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property names and symbols.
+     */
+    function getAllKeys(object) {
+      return baseGetAllKeys(object, keys, getSymbols);
+    }
+
+    /**
+     * Creates an array of own and inherited enumerable property names and
+     * symbols of `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property names and symbols.
+     */
+    function getAllKeysIn(object) {
+      return baseGetAllKeys(object, keysIn, getSymbolsIn);
+    }
+
+    /**
+     * Gets metadata for `func`.
+     *
+     * @private
+     * @param {Function} func The function to query.
+     * @returns {*} Returns the metadata for `func`.
+     */
+    var getData = !metaMap ? noop : function(func) {
+      return metaMap.get(func);
+    };
+
+    /**
+     * Gets the name of `func`.
+     *
+     * @private
+     * @param {Function} func The function to query.
+     * @returns {string} Returns the function name.
+     */
+    function getFuncName(func) {
+      var result = (func.name + ''),
+          array = realNames[result],
+          length = hasOwnProperty.call(realNames, result) ? array.length : 0;
+
+      while (length--) {
+        var data = array[length],
+            otherFunc = data.func;
+        if (otherFunc == null || otherFunc == func) {
+          return data.name;
+        }
+      }
+      return result;
+    }
+
+    /**
+     * Gets the argument placeholder value for `func`.
+     *
+     * @private
+     * @param {Function} func The function to inspect.
+     * @returns {*} Returns the placeholder value.
+     */
+    function getHolder(func) {
+      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;
+      return object.placeholder;
+    }
+
+    /**
+     * Gets the appropriate "iteratee" function. If `_.iteratee` is customized,
+     * this function returns the custom method, otherwise it returns `baseIteratee`.
+     * If arguments are provided, the chosen function is invoked with them and
+     * its result is returned.
+     *
+     * @private
+     * @param {*} [value] The value to convert to an iteratee.
+     * @param {number} [arity] The arity of the created iteratee.
+     * @returns {Function} Returns the chosen function or its result.
+     */
+    function getIteratee() {
+      var result = lodash.iteratee || iteratee;
+      result = result === iteratee ? baseIteratee : result;
+      return arguments.length ? result(arguments[0], arguments[1]) : result;
+    }
+
+    /**
+     * Gets the data for `map`.
+     *
+     * @private
+     * @param {Object} map The map to query.
+     * @param {string} key The reference key.
+     * @returns {*} Returns the map data.
+     */
+    function getMapData(map, key) {
+      var data = map.__data__;
+      return isKeyable(key)
+        ? data[typeof key == 'string' ? 'string' : 'hash']
+        : data.map;
+    }
+
+    /**
+     * Gets the property names, values, and compare flags of `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the match data of `object`.
+     */
+    function getMatchData(object) {
+      var result = keys(object),
+          length = result.length;
+
+      while (length--) {
+        var key = result[length],
+            value = object[key];
+
+        result[length] = [key, value, isStrictComparable(value)];
+      }
+      return result;
+    }
+
+    /**
+     * Gets the native function at `key` of `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @param {string} key The key of the method to get.
+     * @returns {*} Returns the function if it's native, else `undefined`.
+     */
+    function getNative(object, key) {
+      var value = getValue(object, key);
+      return baseIsNative(value) ? value : undefined;
+    }
+
+    /**
+     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
+     *
+     * @private
+     * @param {*} value The value to query.
+     * @returns {string} Returns the raw `toStringTag`.
+     */
+    function getRawTag(value) {
+      var isOwn = hasOwnProperty.call(value, symToStringTag),
+          tag = value[symToStringTag];
+
+      try {
+        value[symToStringTag] = undefined;
+        var unmasked = true;
+      } catch (e) {}
+
+      var result = nativeObjectToString.call(value);
+      if (unmasked) {
+        if (isOwn) {
+          value[symToStringTag] = tag;
+        } else {
+          delete value[symToStringTag];
+        }
+      }
+      return result;
+    }
+
+    /**
+     * Creates an array of the own enumerable symbols of `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of symbols.
+     */
+    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {
+      if (object == null) {
+        return [];
+      }
+      object = Object(object);
+      return arrayFilter(nativeGetSymbols(object), function(symbol) {
+        return propertyIsEnumerable.call(object, symbol);
+      });
+    };
+
+    /**
+     * Creates an array of the own and inherited enumerable symbols of `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of symbols.
+     */
+    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {
+      var result = [];
+      while (object) {
+        arrayPush(result, getSymbols(object));
+        object = getPrototype(object);
+      }
+      return result;
+    };
+
+    /**
+     * Gets the `toStringTag` of `value`.
+     *
+     * @private
+     * @param {*} value The value to query.
+     * @returns {string} Returns the `toStringTag`.
+     */
+    var getTag = baseGetTag;
+
+    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.
+    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||
+        (Map && getTag(new Map) != mapTag) ||
+        (Promise && getTag(Promise.resolve()) != promiseTag) ||
+        (Set && getTag(new Set) != setTag) ||
+        (WeakMap && getTag(new WeakMap) != weakMapTag)) {
+      getTag = function(value) {
+        var result = baseGetTag(value),
+            Ctor = result == objectTag ? value.constructor : undefined,
+            ctorString = Ctor ? toSource(Ctor) : '';
+
+        if (ctorString) {
+          switch (ctorString) {
+            case dataViewCtorString: return dataViewTag;
+            case mapCtorString: return mapTag;
+            case promiseCtorString: return promiseTag;
+            case setCtorString: return setTag;
+            case weakMapCtorString: return weakMapTag;
+          }
+        }
+        return result;
+      };
+    }
+
+    /**
+     * Gets the view, applying any `transforms` to the `start` and `end` positions.
+     *
+     * @private
+     * @param {number} start The start of the view.
+     * @param {number} end The end of the view.
+     * @param {Array} transforms The transformations to apply to the view.
+     * @returns {Object} Returns an object containing the `start` and `end`
+     *  positions of the view.
+     */
+    function getView(start, end, transforms) {
+      var index = -1,
+          length = transforms.length;
+
+      while (++index < length) {
+        var data = transforms[index],
+            size = data.size;
+
+        switch (data.type) {
+          case 'drop':      start += size; break;
+          case 'dropRight': end -= size; break;
+          case 'take':      end = nativeMin(end, start + size); break;
+          case 'takeRight': start = nativeMax(start, end - size); break;
+        }
+      }
+      return { 'start': start, 'end': end };
+    }
+
+    /**
+     * Extracts wrapper details from the `source` body comment.
+     *
+     * @private
+     * @param {string} source The source to inspect.
+     * @returns {Array} Returns the wrapper details.
+     */
+    function getWrapDetails(source) {
+      var match = source.match(reWrapDetails);
+      return match ? match[1].split(reSplitDetails) : [];
+    }
+
+    /**
+     * Checks if `path` exists on `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @param {Array|string} path The path to check.
+     * @param {Function} hasFunc The function to check properties.
+     * @returns {boolean} Returns `true` if `path` exists, else `false`.
+     */
+    function hasPath(object, path, hasFunc) {
+      path = castPath(path, object);
+
+      var index = -1,
+          length = path.length,
+          result = false;
+
+      while (++index < length) {
+        var key = toKey(path[index]);
+        if (!(result = object != null && hasFunc(object, key))) {
+          break;
+        }
+        object = object[key];
+      }
+      if (result || ++index != length) {
+        return result;
+      }
+      length = object == null ? 0 : object.length;
+      return !!length && isLength(length) && isIndex(key, length) &&
+        (isArray(object) || isArguments(object));
+    }
+
+    /**
+     * Initializes an array clone.
+     *
+     * @private
+     * @param {Array} array The array to clone.
+     * @returns {Array} Returns the initialized clone.
+     */
+    function initCloneArray(array) {
+      var length = array.length,
+          result = array.constructor(length);
+
+      // Add properties assigned by `RegExp#exec`.
+      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {
+        result.index = array.index;
+        result.input = array.input;
+      }
+      return result;
+    }
+
+    /**
+     * Initializes an object clone.
+     *
+     * @private
+     * @param {Object} object The object to clone.
+     * @returns {Object} Returns the initialized clone.
+     */
+    function initCloneObject(object) {
+      return (typeof object.constructor == 'function' && !isPrototype(object))
+        ? baseCreate(getPrototype(object))
+        : {};
+    }
+
+    /**
+     * Initializes an object clone based on its `toStringTag`.
+     *
+     * **Note:** This function only supports cloning values with tags of
+     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
+     *
+     * @private
+     * @param {Object} object The object to clone.
+     * @param {string} tag The `toStringTag` of the object to clone.
+     * @param {Function} cloneFunc The function to clone values.
+     * @param {boolean} [isDeep] Specify a deep clone.
+     * @returns {Object} Returns the initialized clone.
+     */
+    function initCloneByTag(object, tag, cloneFunc, isDeep) {
+      var Ctor = object.constructor;
+      switch (tag) {
+        case arrayBufferTag:
+          return cloneArrayBuffer(object);
+
+        case boolTag:
+        case dateTag:
+          return new Ctor(+object);
+
+        case dataViewTag:
+          return cloneDataView(object, isDeep);
+
+        case float32Tag: case float64Tag:
+        case int8Tag: case int16Tag: case int32Tag:
+        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:
+          return cloneTypedArray(object, isDeep);
+
+        case mapTag:
+          return cloneMap(object, isDeep, cloneFunc);
+
+        case numberTag:
+        case stringTag:
+          return new Ctor(object);
+
+        case regexpTag:
+          return cloneRegExp(object);
+
+        case setTag:
+          return cloneSet(object, isDeep, cloneFunc);
+
+        case symbolTag:
+          return cloneSymbol(object);
+      }
+    }
+
+    /**
+     * Inserts wrapper `details` in a comment at the top of the `source` body.
+     *
+     * @private
+     * @param {string} source The source to modify.
+     * @returns {Array} details The details to insert.
+     * @returns {string} Returns the modified source.
+     */
+    function insertWrapDetails(source, details) {
+      var length = details.length;
+      if (!length) {
+        return source;
+      }
+      var lastIndex = length - 1;
+      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];
+      details = details.join(length > 2 ? ', ' : ' ');
+      return source.replace(reWrapComment, '{\n/* [wrapped with ' + details + '] */\n');
+    }
+
+    /**
+     * Checks if `value` is a flattenable `arguments` object or array.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.
+     */
+    function isFlattenable(value) {
+      return isArray(value) || isArguments(value) ||
+        !!(spreadableSymbol && value && value[spreadableSymbol]);
+    }
+
+    /**
+     * Checks if `value` is a valid array-like index.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
+     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
+     */
+    function isIndex(value, length) {
+      length = length == null ? MAX_SAFE_INTEGER : length;
+      return !!length &&
+        (typeof value == 'number' || reIsUint.test(value)) &&
+        (value > -1 && value % 1 == 0 && value < length);
+    }
+
+    /**
+     * Checks if the given arguments are from an iteratee call.
+     *
+     * @private
+     * @param {*} value The potential iteratee value argument.
+     * @param {*} index The potential iteratee index or key argument.
+     * @param {*} object The potential iteratee object argument.
+     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,
+     *  else `false`.
+     */
+    function isIterateeCall(value, index, object) {
+      if (!isObject(object)) {
+        return false;
+      }
+      var type = typeof index;
+      if (type == 'number'
+            ? (isArrayLike(object) && isIndex(index, object.length))
+            : (type == 'string' && index in object)
+          ) {
+        return eq(object[index], value);
+      }
+      return false;
+    }
+
+    /**
+     * Checks if `value` is a property name and not a property path.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @param {Object} [object] The object to query keys on.
+     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.
+     */
+    function isKey(value, object) {
+      if (isArray(value)) {
+        return false;
+      }
+      var type = typeof value;
+      if (type == 'number' || type == 'symbol' || type == 'boolean' ||
+          value == null || isSymbol(value)) {
+        return true;
+      }
+      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||
+        (object != null && value in Object(object));
+    }
+
+    /**
+     * Checks if `value` is suitable for use as unique object key.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.
+     */
+    function isKeyable(value) {
+      var type = typeof value;
+      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')
+        ? (value !== '__proto__')
+        : (value === null);
+    }
+
+    /**
+     * Checks if `func` has a lazy counterpart.
+     *
+     * @private
+     * @param {Function} func The function to check.
+     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,
+     *  else `false`.
+     */
+    function isLaziable(func) {
+      var funcName = getFuncName(func),
+          other = lodash[funcName];
+
+      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {
+        return false;
+      }
+      if (func === other) {
+        return true;
+      }
+      var data = getData(other);
+      return !!data && func === data[0];
+    }
+
+    /**
+     * Checks if `func` has its source masked.
+     *
+     * @private
+     * @param {Function} func The function to check.
+     * @returns {boolean} Returns `true` if `func` is masked, else `false`.
+     */
+    function isMasked(func) {
+      return !!maskSrcKey && (maskSrcKey in func);
+    }
+
+    /**
+     * Checks if `func` is capable of being masked.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.
+     */
+    var isMaskable = coreJsData ? isFunction : stubFalse;
+
+    /**
+     * Checks if `value` is likely a prototype object.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
+     */
+    function isPrototype(value) {
+      var Ctor = value && value.constructor,
+          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;
+
+      return value === proto;
+    }
+
+    /**
+     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` if suitable for strict
+     *  equality comparisons, else `false`.
+     */
+    function isStrictComparable(value) {
+      return value === value && !isObject(value);
+    }
+
+    /**
+     * A specialized version of `matchesProperty` for source values suitable
+     * for strict equality comparisons, i.e. `===`.
+     *
+     * @private
+     * @param {string} key The key of the property to get.
+     * @param {*} srcValue The value to match.
+     * @returns {Function} Returns the new spec function.
+     */
+    function matchesStrictComparable(key, srcValue) {
+      return function(object) {
+        if (object == null) {
+          return false;
+        }
+        return object[key] === srcValue &&
+          (srcValue !== undefined || (key in Object(object)));
+      };
+    }
+
+    /**
+     * A specialized version of `_.memoize` which clears the memoized function's
+     * cache when it exceeds `MAX_MEMOIZE_SIZE`.
+     *
+     * @private
+     * @param {Function} func The function to have its output memoized.
+     * @returns {Function} Returns the new memoized function.
+     */
+    function memoizeCapped(func) {
+      var result = memoize(func, function(key) {
+        if (cache.size === MAX_MEMOIZE_SIZE) {
+          cache.clear();
+        }
+        return key;
+      });
+
+      var cache = result.cache;
+      return result;
+    }
+
+    /**
+     * Merges the function metadata of `source` into `data`.
+     *
+     * Merging metadata reduces the number of wrappers used to invoke a function.
+     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`
+     * may be applied regardless of execution order. Methods like `_.ary` and
+     * `_.rearg` modify function arguments, making the order in which they are
+     * executed important, preventing the merging of metadata. However, we make
+     * an exception for a safe combined case where curried functions have `_.ary`
+     * and or `_.rearg` applied.
+     *
+     * @private
+     * @param {Array} data The destination metadata.
+     * @param {Array} source The source metadata.
+     * @returns {Array} Returns `data`.
+     */
+    function mergeData(data, source) {
+      var bitmask = data[1],
+          srcBitmask = source[1],
+          newBitmask = bitmask | srcBitmask,
+          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);
+
+      var isCombo =
+        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||
+        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||
+        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));
+
+      // Exit early if metadata can't be merged.
+      if (!(isCommon || isCombo)) {
+        return data;
+      }
+      // Use source `thisArg` if available.
+      if (srcBitmask & WRAP_BIND_FLAG) {
+        data[2] = source[2];
+        // Set when currying a bound function.
+        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;
+      }
+      // Compose partial arguments.
+      var value = source[3];
+      if (value) {
+        var partials = data[3];
+        data[3] = partials ? composeArgs(partials, value, source[4]) : value;
+        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];
+      }
+      // Compose partial right arguments.
+      value = source[5];
+      if (value) {
+        partials = data[5];
+        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;
+        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];
+      }
+      // Use source `argPos` if available.
+      value = source[7];
+      if (value) {
+        data[7] = value;
+      }
+      // Use source `ary` if it's smaller.
+      if (srcBitmask & WRAP_ARY_FLAG) {
+        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);
+      }
+      // Use source `arity` if one is not provided.
+      if (data[9] == null) {
+        data[9] = source[9];
+      }
+      // Use source `func` and merge bitmasks.
+      data[0] = source[0];
+      data[1] = newBitmask;
+
+      return data;
+    }
+
+    /**
+     * This function is like
+     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
+     * except that it includes inherited enumerable properties.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property names.
+     */
+    function nativeKeysIn(object) {
+      var result = [];
+      if (object != null) {
+        for (var key in Object(object)) {
+          result.push(key);
+        }
+      }
+      return result;
+    }
+
+    /**
+     * Converts `value` to a string using `Object.prototype.toString`.
+     *
+     * @private
+     * @param {*} value The value to convert.
+     * @returns {string} Returns the converted string.
+     */
+    function objectToString(value) {
+      return nativeObjectToString.call(value);
+    }
+
+    /**
+     * A specialized version of `baseRest` which transforms the rest array.
+     *
+     * @private
+     * @param {Function} func The function to apply a rest parameter to.
+     * @param {number} [start=func.length-1] The start position of the rest parameter.
+     * @param {Function} transform The rest array transform.
+     * @returns {Function} Returns the new function.
+     */
+    function overRest(func, start, transform) {
+      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);
+      return function() {
+        var args = arguments,
+            index = -1,
+            length = nativeMax(args.length - start, 0),
+            array = Array(length);
+
+        while (++index < length) {
+          array[index] = args[start + index];
+        }
+        index = -1;
+        var otherArgs = Array(start + 1);
+        while (++index < start) {
+          otherArgs[index] = args[index];
+        }
+        otherArgs[start] = transform(array);
+        return apply(func, this, otherArgs);
+      };
+    }
+
+    /**
+     * Gets the parent value at `path` of `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @param {Array} path The path to get the parent value of.
+     * @returns {*} Returns the parent value.
+     */
+    function parent(object, path) {
+      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));
+    }
+
+    /**
+     * Reorder `array` according to the specified indexes where the element at
+     * the first index is assigned as the first element, the element at
+     * the second index is assigned as the second element, and so on.
+     *
+     * @private
+     * @param {Array} array The array to reorder.
+     * @param {Array} indexes The arranged array indexes.
+     * @returns {Array} Returns `array`.
+     */
+    function reorder(array, indexes) {
+      var arrLength = array.length,
+          length = nativeMin(indexes.length, arrLength),
+          oldArray = copyArray(array);
+
+      while (length--) {
+        var index = indexes[length];
+        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;
+      }
+      return array;
+    }
+
+    /**
+     * Sets metadata for `func`.
+     *
+     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short
+     * period of time, it will trip its breaker and transition to an identity
+     * function to avoid garbage collection pauses in V8. See
+     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)
+     * for more details.
+     *
+     * @private
+     * @param {Function} func The function to associate metadata with.
+     * @param {*} data The metadata.
+     * @returns {Function} Returns `func`.
+     */
+    var setData = shortOut(baseSetData);
+
+    /**
+     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).
+     *
+     * @private
+     * @param {Function} func The function to delay.
+     * @param {number} wait The number of milliseconds to delay invocation.
+     * @returns {number|Object} Returns the timer id or timeout object.
+     */
+    var setTimeout = ctxSetTimeout || function(func, wait) {
+      return root.setTimeout(func, wait);
+    };
+
+    /**
+     * Sets the `toString` method of `func` to return `string`.
+     *
+     * @private
+     * @param {Function} func The function to modify.
+     * @param {Function} string The `toString` result.
+     * @returns {Function} Returns `func`.
+     */
+    var setToString = shortOut(baseSetToString);
+
+    /**
+     * Sets the `toString` method of `wrapper` to mimic the source of `reference`
+     * with wrapper details in a comment at the top of the source body.
+     *
+     * @private
+     * @param {Function} wrapper The function to modify.
+     * @param {Function} reference The reference function.
+     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+     * @returns {Function} Returns `wrapper`.
+     */
+    function setWrapToString(wrapper, reference, bitmask) {
+      var source = (reference + '');
+      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));
+    }
+
+    /**
+     * Creates a function that'll short out and invoke `identity` instead
+     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`
+     * milliseconds.
+     *
+     * @private
+     * @param {Function} func The function to restrict.
+     * @returns {Function} Returns the new shortable function.
+     */
+    function shortOut(func) {
+      var count = 0,
+          lastCalled = 0;
+
+      return function() {
+        var stamp = nativeNow(),
+            remaining = HOT_SPAN - (stamp - lastCalled);
+
+        lastCalled = stamp;
+        if (remaining > 0) {
+          if (++count >= HOT_COUNT) {
+            return arguments[0];
+          }
+        } else {
+          count = 0;
+        }
+        return func.apply(undefined, arguments);
+      };
+    }
+
+    /**
+     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.
+     *
+     * @private
+     * @param {Array} array The array to shuffle.
+     * @param {number} [size=array.length] The size of `array`.
+     * @returns {Array} Returns `array`.
+     */
+    function shuffleSelf(array, size) {
+      var index = -1,
+          length = array.length,
+          lastIndex = length - 1;
+
+      size = size === undefined ? length : size;
+      while (++index < size) {
+        var rand = baseRandom(index, lastIndex),
+            value = array[rand];
+
+        array[rand] = array[index];
+        array[index] = value;
+      }
+      array.length = size;
+      return array;
+    }
+
+    /**
+     * Converts `string` to a property path array.
+     *
+     * @private
+     * @param {string} string The string to convert.
+     * @returns {Array} Returns the property path array.
+     */
+    var stringToPath = memoizeCapped(function(string) {
+      var result = [];
+      if (reLeadingDot.test(string)) {
+        result.push('');
+      }
+      string.replace(rePropName, function(match, number, quote, string) {
+        result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));
+      });
+      return result;
+    });
+
+    /**
+     * Converts `value` to a string key if it's not a string or symbol.
+     *
+     * @private
+     * @param {*} value The value to inspect.
+     * @returns {string|symbol} Returns the key.
+     */
+    function toKey(value) {
+      if (typeof value == 'string' || isSymbol(value)) {
+        return value;
+      }
+      var result = (value + '');
+      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
+    }
+
+    /**
+     * Converts `func` to its source code.
+     *
+     * @private
+     * @param {Function} func The function to convert.
+     * @returns {string} Returns the source code.
+     */
+    function toSource(func) {
+      if (func != null) {
+        try {
+          return funcToString.call(func);
+        } catch (e) {}
+        try {
+          return (func + '');
+        } catch (e) {}
+      }
+      return '';
+    }
+
+    /**
+     * Updates wrapper `details` based on `bitmask` flags.
+     *
+     * @private
+     * @returns {Array} details The details to modify.
+     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+     * @returns {Array} Returns `details`.
+     */
+    function updateWrapDetails(details, bitmask) {
+      arrayEach(wrapFlags, function(pair) {
+        var value = '_.' + pair[0];
+        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {
+          details.push(value);
+        }
+      });
+      return details.sort();
+    }
+
+    /**
+     * Creates a clone of `wrapper`.
+     *
+     * @private
+     * @param {Object} wrapper The wrapper to clone.
+     * @returns {Object} Returns the cloned wrapper.
+     */
+    function wrapperClone(wrapper) {
+      if (wrapper instanceof LazyWrapper) {
+        return wrapper.clone();
+      }
+      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);
+      result.__actions__ = copyArray(wrapper.__actions__);
+      result.__index__  = wrapper.__index__;
+      result.__values__ = wrapper.__values__;
+      return result;
+    }
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates an array of elements split into groups the length of `size`.
+     * If `array` can't be split evenly, the final chunk will be the remaining
+     * elements.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to process.
+     * @param {number} [size=1] The length of each chunk
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Array} Returns the new array of chunks.
+     * @example
+     *
+     * _.chunk(['a', 'b', 'c', 'd'], 2);
+     * // => [['a', 'b'], ['c', 'd']]
+     *
+     * _.chunk(['a', 'b', 'c', 'd'], 3);
+     * // => [['a', 'b', 'c'], ['d']]
+     */
+    function chunk(array, size, guard) {
+      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {
+        size = 1;
+      } else {
+        size = nativeMax(toInteger(size), 0);
+      }
+      var length = array == null ? 0 : array.length;
+      if (!length || size < 1) {
+        return [];
+      }
+      var index = 0,
+          resIndex = 0,
+          result = Array(nativeCeil(length / size));
+
+      while (index < length) {
+        result[resIndex++] = baseSlice(array, index, (index += size));
+      }
+      return result;
+    }
+
+    /**
+     * Creates an array with all falsey values removed. The values `false`, `null`,
+     * `0`, `""`, `undefined`, and `NaN` are falsey.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The array to compact.
+     * @returns {Array} Returns the new array of filtered values.
+     * @example
+     *
+     * _.compact([0, 1, false, 2, '', 3]);
+     * // => [1, 2, 3]
+     */
+    function compact(array) {
+      var index = -1,
+          length = array == null ? 0 : array.length,
+          resIndex = 0,
+          result = [];
+
+      while (++index < length) {
+        var value = array[index];
+        if (value) {
+          result[resIndex++] = value;
+        }
+      }
+      return result;
+    }
+
+    /**
+     * Creates a new array concatenating `array` with any additional arrays
+     * and/or values.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to concatenate.
+     * @param {...*} [values] The values to concatenate.
+     * @returns {Array} Returns the new concatenated array.
+     * @example
+     *
+     * var array = [1];
+     * var other = _.concat(array, 2, [3], [[4]]);
+     *
+     * console.log(other);
+     * // => [1, 2, 3, [4]]
+     *
+     * console.log(array);
+     * // => [1]
+     */
+    function concat() {
+      var length = arguments.length;
+      if (!length) {
+        return [];
+      }
+      var args = Array(length - 1),
+          array = arguments[0],
+          index = length;
+
+      while (index--) {
+        args[index - 1] = arguments[index];
+      }
+      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));
+    }
+
+    /**
+     * Creates an array of `array` values not included in the other given arrays
+     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+     * for equality comparisons. The order and references of result values are
+     * determined by the first array.
+     *
+     * **Note:** Unlike `_.pullAll`, this method returns a new array.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {...Array} [values] The values to exclude.
+     * @returns {Array} Returns the new array of filtered values.
+     * @see _.without, _.xor
+     * @example
+     *
+     * _.difference([2, 1], [2, 3]);
+     * // => [1]
+     */
+    var difference = baseRest(function(array, values) {
+      return isArrayLikeObject(array)
+        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))
+        : [];
+    });
+
+    /**
+     * This method is like `_.difference` except that it accepts `iteratee` which
+     * is invoked for each element of `array` and `values` to generate the criterion
+     * by which they're compared. The order and references of result values are
+     * determined by the first array. The iteratee is invoked with one argument:
+     * (value).
+     *
+     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {...Array} [values] The values to exclude.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {Array} Returns the new array of filtered values.
+     * @example
+     *
+     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);
+     * // => [1.2]
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');
+     * // => [{ 'x': 2 }]
+     */
+    var differenceBy = baseRest(function(array, values) {
+      var iteratee = last(values);
+      if (isArrayLikeObject(iteratee)) {
+        iteratee = undefined;
+      }
+      return isArrayLikeObject(array)
+        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))
+        : [];
+    });
+
+    /**
+     * This method is like `_.difference` except that it accepts `comparator`
+     * which is invoked to compare elements of `array` to `values`. The order and
+     * references of result values are determined by the first array. The comparator
+     * is invoked with two arguments: (arrVal, othVal).
+     *
+     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {...Array} [values] The values to exclude.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns the new array of filtered values.
+     * @example
+     *
+     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
+     *
+     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);
+     * // => [{ 'x': 2, 'y': 1 }]
+     */
+    var differenceWith = baseRest(function(array, values) {
+      var comparator = last(values);
+      if (isArrayLikeObject(comparator)) {
+        comparator = undefined;
+      }
+      return isArrayLikeObject(array)
+        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)
+        : [];
+    });
+
+    /**
+     * Creates a slice of `array` with `n` elements dropped from the beginning.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.5.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {number} [n=1] The number of elements to drop.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * _.drop([1, 2, 3]);
+     * // => [2, 3]
+     *
+     * _.drop([1, 2, 3], 2);
+     * // => [3]
+     *
+     * _.drop([1, 2, 3], 5);
+     * // => []
+     *
+     * _.drop([1, 2, 3], 0);
+     * // => [1, 2, 3]
+     */
+    function drop(array, n, guard) {
+      var length = array == null ? 0 : array.length;
+      if (!length) {
+        return [];
+      }
+      n = (guard || n === undefined) ? 1 : toInteger(n);
+      return baseSlice(array, n < 0 ? 0 : n, length);
+    }
+
+    /**
+     * Creates a slice of `array` with `n` elements dropped from the end.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {number} [n=1] The number of elements to drop.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * _.dropRight([1, 2, 3]);
+     * // => [1, 2]
+     *
+     * _.dropRight([1, 2, 3], 2);
+     * // => [1]
+     *
+     * _.dropRight([1, 2, 3], 5);
+     * // => []
+     *
+     * _.dropRight([1, 2, 3], 0);
+     * // => [1, 2, 3]
+     */
+    function dropRight(array, n, guard) {
+      var length = array == null ? 0 : array.length;
+      if (!length) {
+        return [];
+      }
+      n = (guard || n === undefined) ? 1 : toInteger(n);
+      n = length - n;
+      return baseSlice(array, 0, n < 0 ? 0 : n);
+    }
+
+    /**
+     * Creates a slice of `array` excluding elements dropped from the end.
+     * Elements are dropped until `predicate` returns falsey. The predicate is
+     * invoked with three arguments: (value, index, array).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'active': true },
+     *   { 'user': 'fred',    'active': false },
+     *   { 'user': 'pebbles', 'active': false }
+     * ];
+     *
+     * _.dropRightWhile(users, function(o) { return !o.active; });
+     * // => objects for ['barney']
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });
+     * // => objects for ['barney', 'fred']
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.dropRightWhile(users, ['active', false]);
+     * // => objects for ['barney']
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.dropRightWhile(users, 'active');
+     * // => objects for ['barney', 'fred', 'pebbles']
+     */
+    function dropRightWhile(array, predicate) {
+      return (array && array.length)
+        ? baseWhile(array, getIteratee(predicate, 3), true, true)
+        : [];
+    }
+
+    /**
+     * Creates a slice of `array` excluding elements dropped from the beginning.
+     * Elements are dropped until `predicate` returns falsey. The predicate is
+     * invoked with three arguments: (value, index, array).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'active': false },
+     *   { 'user': 'fred',    'active': false },
+     *   { 'user': 'pebbles', 'active': true }
+     * ];
+     *
+     * _.dropWhile(users, function(o) { return !o.active; });
+     * // => objects for ['pebbles']
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.dropWhile(users, { 'user': 'barney', 'active': false });
+     * // => objects for ['fred', 'pebbles']
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.dropWhile(users, ['active', false]);
+     * // => objects for ['pebbles']
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.dropWhile(users, 'active');
+     * // => objects for ['barney', 'fred', 'pebbles']
+     */
+    function dropWhile(array, predicate) {
+      return (array && array.length)
+        ? baseWhile(array, getIteratee(predicate, 3), true)
+        : [];
+    }
+
+    /**
+     * Fills elements of `array` with `value` from `start` up to, but not
+     * including, `end`.
+     *
+     * **Note:** This method mutates `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.2.0
+     * @category Array
+     * @param {Array} array The array to fill.
+     * @param {*} value The value to fill `array` with.
+     * @param {number} [start=0] The start position.
+     * @param {number} [end=array.length] The end position.
+     * @returns {Array} Returns `array`.
+     * @example
+     *
+     * var array = [1, 2, 3];
+     *
+     * _.fill(array, 'a');
+     * console.log(array);
+     * // => ['a', 'a', 'a']
+     *
+     * _.fill(Array(3), 2);
+     * // => [2, 2, 2]
+     *
+     * _.fill([4, 6, 8, 10], '*', 1, 3);
+     * // => [4, '*', '*', 10]
+     */
+    function fill(array, value, start, end) {
+      var length = array == null ? 0 : array.length;
+      if (!length) {
+        return [];
+      }
+      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {
+        start = 0;
+        end = length;
+      }
+      return baseFill(array, value, start, end);
+    }
+
+    /**
+     * This method is like `_.find` except that it returns the index of the first
+     * element `predicate` returns truthy for instead of the element itself.
+     *
+     * @static
+     * @memberOf _
+     * @since 1.1.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @param {number} [fromIndex=0] The index to search from.
+     * @returns {number} Returns the index of the found element, else `-1`.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'active': false },
+     *   { 'user': 'fred',    'active': false },
+     *   { 'user': 'pebbles', 'active': true }
+     * ];
+     *
+     * _.findIndex(users, function(o) { return o.user == 'barney'; });
+     * // => 0
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.findIndex(users, { 'user': 'fred', 'active': false });
+     * // => 1
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.findIndex(users, ['active', false]);
+     * // => 0
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.findIndex(users, 'active');
+     * // => 2
+     */
+    function findIndex(array, predicate, fromIndex) {
+      var length = array == null ? 0 : array.length;
+      if (!length) {
+        return -1;
+      }
+      var index = fromIndex == null ? 0 : toInteger(fromIndex);
+      if (index < 0) {
+        index = nativeMax(length + index, 0);
+      }
+      return baseFindIndex(array, getIteratee(predicate, 3), index);
+    }
+
+    /**
+     * This method is like `_.findIndex` except that it iterates over elements
+     * of `collection` from right to left.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.0.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @param {number} [fromIndex=array.length-1] The index to search from.
+     * @returns {number} Returns the index of the found element, else `-1`.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'active': true },
+     *   { 'user': 'fred',    'active': false },
+     *   { 'user': 'pebbles', 'active': false }
+     * ];
+     *
+     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });
+     * // => 2
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.findLastIndex(users, { 'user': 'barney', 'active': true });
+     * // => 0
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.findLastIndex(users, ['active', false]);
+     * // => 2
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.findLastIndex(users, 'active');
+     * // => 0
+     */
+    function findLastIndex(array, predicate, fromIndex) {
+      var length = array == null ? 0 : array.length;
+      if (!length) {
+        return -1;
+      }
+      var index = length - 1;
+      if (fromIndex !== undefined) {
+        index = toInteger(fromIndex);
+        index = fromIndex < 0
+          ? nativeMax(length + index, 0)
+          : nativeMin(index, length - 1);
+      }
+      return baseFindIndex(array, getIteratee(predicate, 3), index, true);
+    }
+
+    /**
+     * Flattens `array` a single level deep.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The array to flatten.
+     * @returns {Array} Returns the new flattened array.
+     * @example
+     *
+     * _.flatten([1, [2, [3, [4]], 5]]);
+     * // => [1, 2, [3, [4]], 5]
+     */
+    function flatten(array) {
+      var length = array == null ? 0 : array.length;
+      return length ? baseFlatten(array, 1) : [];
+    }
+
+    /**
+     * Recursively flattens `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to flatten.
+     * @returns {Array} Returns the new flattened array.
+     * @example
+     *
+     * _.flattenDeep([1, [2, [3, [4]], 5]]);
+     * // => [1, 2, 3, 4, 5]
+     */
+    function flattenDeep(array) {
+      var length = array == null ? 0 : array.length;
+      return length ? baseFlatten(array, INFINITY) : [];
+    }
+
+    /**
+     * Recursively flatten `array` up to `depth` times.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.4.0
+     * @category Array
+     * @param {Array} array The array to flatten.
+     * @param {number} [depth=1] The maximum recursion depth.
+     * @returns {Array} Returns the new flattened array.
+     * @example
+     *
+     * var array = [1, [2, [3, [4]], 5]];
+     *
+     * _.flattenDepth(array, 1);
+     * // => [1, 2, [3, [4]], 5]
+     *
+     * _.flattenDepth(array, 2);
+     * // => [1, 2, 3, [4], 5]
+     */
+    function flattenDepth(array, depth) {
+      var length = array == null ? 0 : array.length;
+      if (!length) {
+        return [];
+      }
+      depth = depth === undefined ? 1 : toInteger(depth);
+      return baseFlatten(array, depth);
+    }
+
+    /**
+     * The inverse of `_.toPairs`; this method returns an object composed
+     * from key-value `pairs`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} pairs The key-value pairs.
+     * @returns {Object} Returns the new object.
+     * @example
+     *
+     * _.fromPairs([['a', 1], ['b', 2]]);
+     * // => { 'a': 1, 'b': 2 }
+     */
+    function fromPairs(pairs) {
+      var index = -1,
+          length = pairs == null ? 0 : pairs.length,
+          result = {};
+
+      while (++index < length) {
+        var pair = pairs[index];
+        result[pair[0]] = pair[1];
+      }
+      return result;
+    }
+
+    /**
+     * Gets the first element of `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @alias first
+     * @category Array
+     * @param {Array} array The array to query.
+     * @returns {*} Returns the first element of `array`.
+     * @example
+     *
+     * _.head([1, 2, 3]);
+     * // => 1
+     *
+     * _.head([]);
+     * // => undefined
+     */
+    function head(array) {
+      return (array && array.length) ? array[0] : undefined;
+    }
+
+    /**
+     * Gets the index at which the first occurrence of `value` is found in `array`
+     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+     * for equality comparisons. If `fromIndex` is negative, it's used as the
+     * offset from the end of `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {*} value The value to search for.
+     * @param {number} [fromIndex=0] The index to search from.
+     * @returns {number} Returns the index of the matched value, else `-1`.
+     * @example
+     *
+     * _.indexOf([1, 2, 1, 2], 2);
+     * // => 1
+     *
+     * // Search from the `fromIndex`.
+     * _.indexOf([1, 2, 1, 2], 2, 2);
+     * // => 3
+     */
+    function indexOf(array, value, fromIndex) {
+      var length = array == null ? 0 : array.length;
+      if (!length) {
+        return -1;
+      }
+      var index = fromIndex == null ? 0 : toInteger(fromIndex);
+      if (index < 0) {
+        index = nativeMax(length + index, 0);
+      }
+      return baseIndexOf(array, value, index);
+    }
+
+    /**
+     * Gets all but the last element of `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * _.initial([1, 2, 3]);
+     * // => [1, 2]
+     */
+    function initial(array) {
+      var length = array == null ? 0 : array.length;
+      return length ? baseSlice(array, 0, -1) : [];
+    }
+
+    /**
+     * Creates an array of unique values that are included in all given arrays
+     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+     * for equality comparisons. The order and references of result values are
+     * determined by the first array.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to inspect.
+     * @returns {Array} Returns the new array of intersecting values.
+     * @example
+     *
+     * _.intersection([2, 1], [2, 3]);
+     * // => [2]
+     */
+    var intersection = baseRest(function(arrays) {
+      var mapped = arrayMap(arrays, castArrayLikeObject);
+      return (mapped.length && mapped[0] === arrays[0])
+        ? baseIntersection(mapped)
+        : [];
+    });
+
+    /**
+     * This method is like `_.intersection` except that it accepts `iteratee`
+     * which is invoked for each element of each `arrays` to generate the criterion
+     * by which they're compared. The order and references of result values are
+     * determined by the first array. The iteratee is invoked with one argument:
+     * (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to inspect.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {Array} Returns the new array of intersecting values.
+     * @example
+     *
+     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);
+     * // => [2.1]
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
+     * // => [{ 'x': 1 }]
+     */
+    var intersectionBy = baseRest(function(arrays) {
+      var iteratee = last(arrays),
+          mapped = arrayMap(arrays, castArrayLikeObject);
+
+      if (iteratee === last(mapped)) {
+        iteratee = undefined;
+      } else {
+        mapped.pop();
+      }
+      return (mapped.length && mapped[0] === arrays[0])
+        ? baseIntersection(mapped, getIteratee(iteratee, 2))
+        : [];
+    });
+
+    /**
+     * This method is like `_.intersection` except that it accepts `comparator`
+     * which is invoked to compare elements of `arrays`. The order and references
+     * of result values are determined by the first array. The comparator is
+     * invoked with two arguments: (arrVal, othVal).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to inspect.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns the new array of intersecting values.
+     * @example
+     *
+     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
+     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
+     *
+     * _.intersectionWith(objects, others, _.isEqual);
+     * // => [{ 'x': 1, 'y': 2 }]
+     */
+    var intersectionWith = baseRest(function(arrays) {
+      var comparator = last(arrays),
+          mapped = arrayMap(arrays, castArrayLikeObject);
+
+      comparator = typeof comparator == 'function' ? comparator : undefined;
+      if (comparator) {
+        mapped.pop();
+      }
+      return (mapped.length && mapped[0] === arrays[0])
+        ? baseIntersection(mapped, undefined, comparator)
+        : [];
+    });
+
+    /**
+     * Converts all elements in `array` into a string separated by `separator`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to convert.
+     * @param {string} [separator=','] The element separator.
+     * @returns {string} Returns the joined string.
+     * @example
+     *
+     * _.join(['a', 'b', 'c'], '~');
+     * // => 'a~b~c'
+     */
+    function join(array, separator) {
+      return array == null ? '' : nativeJoin.call(array, separator);
+    }
+
+    /**
+     * Gets the last element of `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @returns {*} Returns the last element of `array`.
+     * @example
+     *
+     * _.last([1, 2, 3]);
+     * // => 3
+     */
+    function last(array) {
+      var length = array == null ? 0 : array.length;
+      return length ? array[length - 1] : undefined;
+    }
+
+    /**
+     * This method is like `_.indexOf` except that it iterates over elements of
+     * `array` from right to left.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {*} value The value to search for.
+     * @param {number} [fromIndex=array.length-1] The index to search from.
+     * @returns {number} Returns the index of the matched value, else `-1`.
+     * @example
+     *
+     * _.lastIndexOf([1, 2, 1, 2], 2);
+     * // => 3
+     *
+     * // Search from the `fromIndex`.
+     * _.lastIndexOf([1, 2, 1, 2], 2, 2);
+     * // => 1
+     */
+    function lastIndexOf(array, value, fromIndex) {
+      var length = array == null ? 0 : array.length;
+      if (!length) {
+        return -1;
+      }
+      var index = length;
+      if (fromIndex !== undefined) {
+        index = toInteger(fromIndex);
+        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);
+      }
+      return value === value
+        ? strictLastIndexOf(array, value, index)
+        : baseFindIndex(array, baseIsNaN, index, true);
+    }
+
+    /**
+     * Gets the element at index `n` of `array`. If `n` is negative, the nth
+     * element from the end is returned.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.11.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {number} [n=0] The index of the element to return.
+     * @returns {*} Returns the nth element of `array`.
+     * @example
+     *
+     * var array = ['a', 'b', 'c', 'd'];
+     *
+     * _.nth(array, 1);
+     * // => 'b'
+     *
+     * _.nth(array, -2);
+     * // => 'c';
+     */
+    function nth(array, n) {
+      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;
+    }
+
+    /**
+     * Removes all given values from `array` using
+     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+     * for equality comparisons.
+     *
+     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`
+     * to remove elements from an array by predicate.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.0.0
+     * @category Array
+     * @param {Array} array The array to modify.
+     * @param {...*} [values] The values to remove.
+     * @returns {Array} Returns `array`.
+     * @example
+     *
+     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];
+     *
+     * _.pull(array, 'a', 'c');
+     * console.log(array);
+     * // => ['b', 'b']
+     */
+    var pull = baseRest(pullAll);
+
+    /**
+     * This method is like `_.pull` except that it accepts an array of values to remove.
+     *
+     * **Note:** Unlike `_.difference`, this method mutates `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to modify.
+     * @param {Array} values The values to remove.
+     * @returns {Array} Returns `array`.
+     * @example
+     *
+     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];
+     *
+     * _.pullAll(array, ['a', 'c']);
+     * console.log(array);
+     * // => ['b', 'b']
+     */
+    function pullAll(array, values) {
+      return (array && array.length && values && values.length)
+        ? basePullAll(array, values)
+        : array;
+    }
+
+    /**
+     * This method is like `_.pullAll` except that it accepts `iteratee` which is
+     * invoked for each element of `array` and `values` to generate the criterion
+     * by which they're compared. The iteratee is invoked with one argument: (value).
+     *
+     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to modify.
+     * @param {Array} values The values to remove.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {Array} Returns `array`.
+     * @example
+     *
+     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];
+     *
+     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');
+     * console.log(array);
+     * // => [{ 'x': 2 }]
+     */
+    function pullAllBy(array, values, iteratee) {
+      return (array && array.length && values && values.length)
+        ? basePullAll(array, values, getIteratee(iteratee, 2))
+        : array;
+    }
+
+    /**
+     * This method is like `_.pullAll` except that it accepts `comparator` which
+     * is invoked to compare elements of `array` to `values`. The comparator is
+     * invoked with two arguments: (arrVal, othVal).
+     *
+     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.6.0
+     * @category Array
+     * @param {Array} array The array to modify.
+     * @param {Array} values The values to remove.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns `array`.
+     * @example
+     *
+     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];
+     *
+     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);
+     * console.log(array);
+     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]
+     */
+    function pullAllWith(array, values, comparator) {
+      return (array && array.length && values && values.length)
+        ? basePullAll(array, values, undefined, comparator)
+        : array;
+    }
+
+    /**
+     * Removes elements from `array` corresponding to `indexes` and returns an
+     * array of removed elements.
+     *
+     * **Note:** Unlike `_.at`, this method mutates `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to modify.
+     * @param {...(number|number[])} [indexes] The indexes of elements to remove.
+     * @returns {Array} Returns the new array of removed elements.
+     * @example
+     *
+     * var array = ['a', 'b', 'c', 'd'];
+     * var pulled = _.pullAt(array, [1, 3]);
+     *
+     * console.log(array);
+     * // => ['a', 'c']
+     *
+     * console.log(pulled);
+     * // => ['b', 'd']
+     */
+    var pullAt = flatRest(function(array, indexes) {
+      var length = array == null ? 0 : array.length,
+          result = baseAt(array, indexes);
+
+      basePullAt(array, arrayMap(indexes, function(index) {
+        return isIndex(index, length) ? +index : index;
+      }).sort(compareAscending));
+
+      return result;
+    });
+
+    /**
+     * Removes all elements from `array` that `predicate` returns truthy for
+     * and returns an array of the removed elements. The predicate is invoked
+     * with three arguments: (value, index, array).
+     *
+     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`
+     * to pull elements from an array by value.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.0.0
+     * @category Array
+     * @param {Array} array The array to modify.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the new array of removed elements.
+     * @example
+     *
+     * var array = [1, 2, 3, 4];
+     * var evens = _.remove(array, function(n) {
+     *   return n % 2 == 0;
+     * });
+     *
+     * console.log(array);
+     * // => [1, 3]
+     *
+     * console.log(evens);
+     * // => [2, 4]
+     */
+    function remove(array, predicate) {
+      var result = [];
+      if (!(array && array.length)) {
+        return result;
+      }
+      var index = -1,
+          indexes = [],
+          length = array.length;
+
+      predicate = getIteratee(predicate, 3);
+      while (++index < length) {
+        var value = array[index];
+        if (predicate(value, index, array)) {
+          result.push(value);
+          indexes.push(index);
+        }
+      }
+      basePullAt(array, indexes);
+      return result;
+    }
+
+    /**
+     * Reverses `array` so that the first element becomes the last, the second
+     * element becomes the second to last, and so on.
+     *
+     * **Note:** This method mutates `array` and is based on
+     * [`Array#reverse`](https://mdn.io/Array/reverse).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to modify.
+     * @returns {Array} Returns `array`.
+     * @example
+     *
+     * var array = [1, 2, 3];
+     *
+     * _.reverse(array);
+     * // => [3, 2, 1]
+     *
+     * console.log(array);
+     * // => [3, 2, 1]
+     */
+    function reverse(array) {
+      return array == null ? array : nativeReverse.call(array);
+    }
+
+    /**
+     * Creates a slice of `array` from `start` up to, but not including, `end`.
+     *
+     * **Note:** This method is used instead of
+     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are
+     * returned.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to slice.
+     * @param {number} [start=0] The start position.
+     * @param {number} [end=array.length] The end position.
+     * @returns {Array} Returns the slice of `array`.
+     */
+    function slice(array, start, end) {
+      var length = array == null ? 0 : array.length;
+      if (!length) {
+        return [];
+      }
+      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {
+        start = 0;
+        end = length;
+      }
+      else {
+        start = start == null ? 0 : toInteger(start);
+        end = end === undefined ? length : toInteger(end);
+      }
+      return baseSlice(array, start, end);
+    }
+
+    /**
+     * Uses a binary search to determine the lowest index at which `value`
+     * should be inserted into `array` in order to maintain its sort order.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The sorted array to inspect.
+     * @param {*} value The value to evaluate.
+     * @returns {number} Returns the index at which `value` should be inserted
+     *  into `array`.
+     * @example
+     *
+     * _.sortedIndex([30, 50], 40);
+     * // => 1
+     */
+    function sortedIndex(array, value) {
+      return baseSortedIndex(array, value);
+    }
+
+    /**
+     * This method is like `_.sortedIndex` except that it accepts `iteratee`
+     * which is invoked for `value` and each element of `array` to compute their
+     * sort ranking. The iteratee is invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The sorted array to inspect.
+     * @param {*} value The value to evaluate.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {number} Returns the index at which `value` should be inserted
+     *  into `array`.
+     * @example
+     *
+     * var objects = [{ 'x': 4 }, { 'x': 5 }];
+     *
+     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });
+     * // => 0
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');
+     * // => 0
+     */
+    function sortedIndexBy(array, value, iteratee) {
+      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));
+    }
+
+    /**
+     * This method is like `_.indexOf` except that it performs a binary
+     * search on a sorted `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {*} value The value to search for.
+     * @returns {number} Returns the index of the matched value, else `-1`.
+     * @example
+     *
+     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);
+     * // => 1
+     */
+    function sortedIndexOf(array, value) {
+      var length = array == null ? 0 : array.length;
+      if (length) {
+        var index = baseSortedIndex(array, value);
+        if (index < length && eq(array[index], value)) {
+          return index;
+        }
+      }
+      return -1;
+    }
+
+    /**
+     * This method is like `_.sortedIndex` except that it returns the highest
+     * index at which `value` should be inserted into `array` in order to
+     * maintain its sort order.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The sorted array to inspect.
+     * @param {*} value The value to evaluate.
+     * @returns {number} Returns the index at which `value` should be inserted
+     *  into `array`.
+     * @example
+     *
+     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);
+     * // => 4
+     */
+    function sortedLastIndex(array, value) {
+      return baseSortedIndex(array, value, true);
+    }
+
+    /**
+     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`
+     * which is invoked for `value` and each element of `array` to compute their
+     * sort ranking. The iteratee is invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The sorted array to inspect.
+     * @param {*} value The value to evaluate.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {number} Returns the index at which `value` should be inserted
+     *  into `array`.
+     * @example
+     *
+     * var objects = [{ 'x': 4 }, { 'x': 5 }];
+     *
+     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });
+     * // => 1
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');
+     * // => 1
+     */
+    function sortedLastIndexBy(array, value, iteratee) {
+      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);
+    }
+
+    /**
+     * This method is like `_.lastIndexOf` except that it performs a binary
+     * search on a sorted `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {*} value The value to search for.
+     * @returns {number} Returns the index of the matched value, else `-1`.
+     * @example
+     *
+     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);
+     * // => 3
+     */
+    function sortedLastIndexOf(array, value) {
+      var length = array == null ? 0 : array.length;
+      if (length) {
+        var index = baseSortedIndex(array, value, true) - 1;
+        if (eq(array[index], value)) {
+          return index;
+        }
+      }
+      return -1;
+    }
+
+    /**
+     * This method is like `_.uniq` except that it's designed and optimized
+     * for sorted arrays.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @returns {Array} Returns the new duplicate free array.
+     * @example
+     *
+     * _.sortedUniq([1, 1, 2]);
+     * // => [1, 2]
+     */
+    function sortedUniq(array) {
+      return (array && array.length)
+        ? baseSortedUniq(array)
+        : [];
+    }
+
+    /**
+     * This method is like `_.uniqBy` except that it's designed and optimized
+     * for sorted arrays.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {Function} [iteratee] The iteratee invoked per element.
+     * @returns {Array} Returns the new duplicate free array.
+     * @example
+     *
+     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);
+     * // => [1.1, 2.3]
+     */
+    function sortedUniqBy(array, iteratee) {
+      return (array && array.length)
+        ? baseSortedUniq(array, getIteratee(iteratee, 2))
+        : [];
+    }
+
+    /**
+     * Gets all but the first element of `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * _.tail([1, 2, 3]);
+     * // => [2, 3]
+     */
+    function tail(array) {
+      var length = array == null ? 0 : array.length;
+      return length ? baseSlice(array, 1, length) : [];
+    }
+
+    /**
+     * Creates a slice of `array` with `n` elements taken from the beginning.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {number} [n=1] The number of elements to take.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * _.take([1, 2, 3]);
+     * // => [1]
+     *
+     * _.take([1, 2, 3], 2);
+     * // => [1, 2]
+     *
+     * _.take([1, 2, 3], 5);
+     * // => [1, 2, 3]
+     *
+     * _.take([1, 2, 3], 0);
+     * // => []
+     */
+    function take(array, n, guard) {
+      if (!(array && array.length)) {
+        return [];
+      }
+      n = (guard || n === undefined) ? 1 : toInteger(n);
+      return baseSlice(array, 0, n < 0 ? 0 : n);
+    }
+
+    /**
+     * Creates a slice of `array` with `n` elements taken from the end.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {number} [n=1] The number of elements to take.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * _.takeRight([1, 2, 3]);
+     * // => [3]
+     *
+     * _.takeRight([1, 2, 3], 2);
+     * // => [2, 3]
+     *
+     * _.takeRight([1, 2, 3], 5);
+     * // => [1, 2, 3]
+     *
+     * _.takeRight([1, 2, 3], 0);
+     * // => []
+     */
+    function takeRight(array, n, guard) {
+      var length = array == null ? 0 : array.length;
+      if (!length) {
+        return [];
+      }
+      n = (guard || n === undefined) ? 1 : toInteger(n);
+      n = length - n;
+      return baseSlice(array, n < 0 ? 0 : n, length);
+    }
+
+    /**
+     * Creates a slice of `array` with elements taken from the end. Elements are
+     * taken until `predicate` returns falsey. The predicate is invoked with
+     * three arguments: (value, index, array).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'active': true },
+     *   { 'user': 'fred',    'active': false },
+     *   { 'user': 'pebbles', 'active': false }
+     * ];
+     *
+     * _.takeRightWhile(users, function(o) { return !o.active; });
+     * // => objects for ['fred', 'pebbles']
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });
+     * // => objects for ['pebbles']
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.takeRightWhile(users, ['active', false]);
+     * // => objects for ['fred', 'pebbles']
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.takeRightWhile(users, 'active');
+     * // => []
+     */
+    function takeRightWhile(array, predicate) {
+      return (array && array.length)
+        ? baseWhile(array, getIteratee(predicate, 3), false, true)
+        : [];
+    }
+
+    /**
+     * Creates a slice of `array` with elements taken from the beginning. Elements
+     * are taken until `predicate` returns falsey. The predicate is invoked with
+     * three arguments: (value, index, array).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'active': false },
+     *   { 'user': 'fred',    'active': false },
+     *   { 'user': 'pebbles', 'active': true }
+     * ];
+     *
+     * _.takeWhile(users, function(o) { return !o.active; });
+     * // => objects for ['barney', 'fred']
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.takeWhile(users, { 'user': 'barney', 'active': false });
+     * // => objects for ['barney']
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.takeWhile(users, ['active', false]);
+     * // => objects for ['barney', 'fred']
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.takeWhile(users, 'active');
+     * // => []
+     */
+    function takeWhile(array, predicate) {
+      return (array && array.length)
+        ? baseWhile(array, getIteratee(predicate, 3))
+        : [];
+    }
+
+    /**
+     * Creates an array of unique values, in order, from all given arrays using
+     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+     * for equality comparisons.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to inspect.
+     * @returns {Array} Returns the new array of combined values.
+     * @example
+     *
+     * _.union([2], [1, 2]);
+     * // => [2, 1]
+     */
+    var union = baseRest(function(arrays) {
+      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));
+    });
+
+    /**
+     * This method is like `_.union` except that it accepts `iteratee` which is
+     * invoked for each element of each `arrays` to generate the criterion by
+     * which uniqueness is computed. Result values are chosen from the first
+     * array in which the value occurs. The iteratee is invoked with one argument:
+     * (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to inspect.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {Array} Returns the new array of combined values.
+     * @example
+     *
+     * _.unionBy([2.1], [1.2, 2.3], Math.floor);
+     * // => [2.1, 1.2]
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
+     * // => [{ 'x': 1 }, { 'x': 2 }]
+     */
+    var unionBy = baseRest(function(arrays) {
+      var iteratee = last(arrays);
+      if (isArrayLikeObject(iteratee)) {
+        iteratee = undefined;
+      }
+      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));
+    });
+
+    /**
+     * This method is like `_.union` except that it accepts `comparator` which
+     * is invoked to compare elements of `arrays`. Result values are chosen from
+     * the first array in which the value occurs. The comparator is invoked
+     * with two arguments: (arrVal, othVal).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to inspect.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns the new array of combined values.
+     * @example
+     *
+     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
+     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
+     *
+     * _.unionWith(objects, others, _.isEqual);
+     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]
+     */
+    var unionWith = baseRest(function(arrays) {
+      var comparator = last(arrays);
+      comparator = typeof comparator == 'function' ? comparator : undefined;
+      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);
+    });
+
+    /**
+     * Creates a duplicate-free version of an array, using
+     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+     * for equality comparisons, in which only the first occurrence of each element
+     * is kept. The order of result values is determined by the order they occur
+     * in the array.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @returns {Array} Returns the new duplicate free array.
+     * @example
+     *
+     * _.uniq([2, 1, 2]);
+     * // => [2, 1]
+     */
+    function uniq(array) {
+      return (array && array.length) ? baseUniq(array) : [];
+    }
+
+    /**
+     * This method is like `_.uniq` except that it accepts `iteratee` which is
+     * invoked for each element in `array` to generate the criterion by which
+     * uniqueness is computed. The order of result values is determined by the
+     * order they occur in the array. The iteratee is invoked with one argument:
+     * (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {Array} Returns the new duplicate free array.
+     * @example
+     *
+     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);
+     * // => [2.1, 1.2]
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');
+     * // => [{ 'x': 1 }, { 'x': 2 }]
+     */
+    function uniqBy(array, iteratee) {
+      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];
+    }
+
+    /**
+     * This method is like `_.uniq` except that it accepts `comparator` which
+     * is invoked to compare elements of `array`. The order of result values is
+     * determined by the order they occur in the array.The comparator is invoked
+     * with two arguments: (arrVal, othVal).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns the new duplicate free array.
+     * @example
+     *
+     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];
+     *
+     * _.uniqWith(objects, _.isEqual);
+     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]
+     */
+    function uniqWith(array, comparator) {
+      comparator = typeof comparator == 'function' ? comparator : undefined;
+      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];
+    }
+
+    /**
+     * This method is like `_.zip` except that it accepts an array of grouped
+     * elements and creates an array regrouping the elements to their pre-zip
+     * configuration.
+     *
+     * @static
+     * @memberOf _
+     * @since 1.2.0
+     * @category Array
+     * @param {Array} array The array of grouped elements to process.
+     * @returns {Array} Returns the new array of regrouped elements.
+     * @example
+     *
+     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);
+     * // => [['a', 1, true], ['b', 2, false]]
+     *
+     * _.unzip(zipped);
+     * // => [['a', 'b'], [1, 2], [true, false]]
+     */
+    function unzip(array) {
+      if (!(array && array.length)) {
+        return [];
+      }
+      var length = 0;
+      array = arrayFilter(array, function(group) {
+        if (isArrayLikeObject(group)) {
+          length = nativeMax(group.length, length);
+          return true;
+        }
+      });
+      return baseTimes(length, function(index) {
+        return arrayMap(array, baseProperty(index));
+      });
+    }
+
+    /**
+     * This method is like `_.unzip` except that it accepts `iteratee` to specify
+     * how regrouped values should be combined. The iteratee is invoked with the
+     * elements of each group: (...group).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.8.0
+     * @category Array
+     * @param {Array} array The array of grouped elements to process.
+     * @param {Function} [iteratee=_.identity] The function to combine
+     *  regrouped values.
+     * @returns {Array} Returns the new array of regrouped elements.
+     * @example
+     *
+     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);
+     * // => [[1, 10, 100], [2, 20, 200]]
+     *
+     * _.unzipWith(zipped, _.add);
+     * // => [3, 30, 300]
+     */
+    function unzipWith(array, iteratee) {
+      if (!(array && array.length)) {
+        return [];
+      }
+      var result = unzip(array);
+      if (iteratee == null) {
+        return result;
+      }
+      return arrayMap(result, function(group) {
+        return apply(iteratee, undefined, group);
+      });
+    }
+
+    /**
+     * Creates an array excluding all given values using
+     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+     * for equality comparisons.
+     *
+     * **Note:** Unlike `_.pull`, this method returns a new array.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {...*} [values] The values to exclude.
+     * @returns {Array} Returns the new array of filtered values.
+     * @see _.difference, _.xor
+     * @example
+     *
+     * _.without([2, 1, 2, 3], 1, 2);
+     * // => [3]
+     */
+    var without = baseRest(function(array, values) {
+      return isArrayLikeObject(array)
+        ? baseDifference(array, values)
+        : [];
+    });
+
+    /**
+     * Creates an array of unique values that is the
+     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)
+     * of the given arrays. The order of result values is determined by the order
+     * they occur in the arrays.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.4.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to inspect.
+     * @returns {Array} Returns the new array of filtered values.
+     * @see _.difference, _.without
+     * @example
+     *
+     * _.xor([2, 1], [2, 3]);
+     * // => [1, 3]
+     */
+    var xor = baseRest(function(arrays) {
+      return baseXor(arrayFilter(arrays, isArrayLikeObject));
+    });
+
+    /**
+     * This method is like `_.xor` except that it accepts `iteratee` which is
+     * invoked for each element of each `arrays` to generate the criterion by
+     * which by which they're compared. The order of result values is determined
+     * by the order they occur in the arrays. The iteratee is invoked with one
+     * argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to inspect.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {Array} Returns the new array of filtered values.
+     * @example
+     *
+     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);
+     * // => [1.2, 3.4]
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
+     * // => [{ 'x': 2 }]
+     */
+    var xorBy = baseRest(function(arrays) {
+      var iteratee = last(arrays);
+      if (isArrayLikeObject(iteratee)) {
+        iteratee = undefined;
+      }
+      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));
+    });
+
+    /**
+     * This method is like `_.xor` except that it accepts `comparator` which is
+     * invoked to compare elements of `arrays`. The order of result values is
+     * determined by the order they occur in the arrays. The comparator is invoked
+     * with two arguments: (arrVal, othVal).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to inspect.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns the new array of filtered values.
+     * @example
+     *
+     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
+     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
+     *
+     * _.xorWith(objects, others, _.isEqual);
+     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]
+     */
+    var xorWith = baseRest(function(arrays) {
+      var comparator = last(arrays);
+      comparator = typeof comparator == 'function' ? comparator : undefined;
+      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);
+    });
+
+    /**
+     * Creates an array of grouped elements, the first of which contains the
+     * first elements of the given arrays, the second of which contains the
+     * second elements of the given arrays, and so on.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to process.
+     * @returns {Array} Returns the new array of grouped elements.
+     * @example
+     *
+     * _.zip(['a', 'b'], [1, 2], [true, false]);
+     * // => [['a', 1, true], ['b', 2, false]]
+     */
+    var zip = baseRest(unzip);
+
+    /**
+     * This method is like `_.fromPairs` except that it accepts two arrays,
+     * one of property identifiers and one of corresponding values.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.4.0
+     * @category Array
+     * @param {Array} [props=[]] The property identifiers.
+     * @param {Array} [values=[]] The property values.
+     * @returns {Object} Returns the new object.
+     * @example
+     *
+     * _.zipObject(['a', 'b'], [1, 2]);
+     * // => { 'a': 1, 'b': 2 }
+     */
+    function zipObject(props, values) {
+      return baseZipObject(props || [], values || [], assignValue);
+    }
+
+    /**
+     * This method is like `_.zipObject` except that it supports property paths.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.1.0
+     * @category Array
+     * @param {Array} [props=[]] The property identifiers.
+     * @param {Array} [values=[]] The property values.
+     * @returns {Object} Returns the new object.
+     * @example
+     *
+     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);
+     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }
+     */
+    function zipObjectDeep(props, values) {
+      return baseZipObject(props || [], values || [], baseSet);
+    }
+
+    /**
+     * This method is like `_.zip` except that it accepts `iteratee` to specify
+     * how grouped values should be combined. The iteratee is invoked with the
+     * elements of each group: (...group).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.8.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to process.
+     * @param {Function} [iteratee=_.identity] The function to combine
+     *  grouped values.
+     * @returns {Array} Returns the new array of grouped elements.
+     * @example
+     *
+     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {
+     *   return a + b + c;
+     * });
+     * // => [111, 222]
+     */
+    var zipWith = baseRest(function(arrays) {
+      var length = arrays.length,
+          iteratee = length > 1 ? arrays[length - 1] : undefined;
+
+      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;
+      return unzipWith(arrays, iteratee);
+    });
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates a `lodash` wrapper instance that wraps `value` with explicit method
+     * chain sequences enabled. The result of such sequences must be unwrapped
+     * with `_#value`.
+     *
+     * @static
+     * @memberOf _
+     * @since 1.3.0
+     * @category Seq
+     * @param {*} value The value to wrap.
+     * @returns {Object} Returns the new `lodash` wrapper instance.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'age': 36 },
+     *   { 'user': 'fred',    'age': 40 },
+     *   { 'user': 'pebbles', 'age': 1 }
+     * ];
+     *
+     * var youngest = _
+     *   .chain(users)
+     *   .sortBy('age')
+     *   .map(function(o) {
+     *     return o.user + ' is ' + o.age;
+     *   })
+     *   .head()
+     *   .value();
+     * // => 'pebbles is 1'
+     */
+    function chain(value) {
+      var result = lodash(value);
+      result.__chain__ = true;
+      return result;
+    }
+
+    /**
+     * This method invokes `interceptor` and returns `value`. The interceptor
+     * is invoked with one argument; (value). The purpose of this method is to
+     * "tap into" a method chain sequence in order to modify intermediate results.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Seq
+     * @param {*} value The value to provide to `interceptor`.
+     * @param {Function} interceptor The function to invoke.
+     * @returns {*} Returns `value`.
+     * @example
+     *
+     * _([1, 2, 3])
+     *  .tap(function(array) {
+     *    // Mutate input array.
+     *    array.pop();
+     *  })
+     *  .reverse()
+     *  .value();
+     * // => [2, 1]
+     */
+    function tap(value, interceptor) {
+      interceptor(value);
+      return value;
+    }
+
+    /**
+     * This method is like `_.tap` except that it returns the result of `interceptor`.
+     * The purpose of this method is to "pass thru" values replacing intermediate
+     * results in a method chain sequence.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Seq
+     * @param {*} value The value to provide to `interceptor`.
+     * @param {Function} interceptor The function to invoke.
+     * @returns {*} Returns the result of `interceptor`.
+     * @example
+     *
+     * _('  abc  ')
+     *  .chain()
+     *  .trim()
+     *  .thru(function(value) {
+     *    return [value];
+     *  })
+     *  .value();
+     * // => ['abc']
+     */
+    function thru(value, interceptor) {
+      return interceptor(value);
+    }
+
+    /**
+     * This method is the wrapper version of `_.at`.
+     *
+     * @name at
+     * @memberOf _
+     * @since 1.0.0
+     * @category Seq
+     * @param {...(string|string[])} [paths] The property paths to pick.
+     * @returns {Object} Returns the new `lodash` wrapper instance.
+     * @example
+     *
+     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
+     *
+     * _(object).at(['a[0].b.c', 'a[1]']).value();
+     * // => [3, 4]
+     */
+    var wrapperAt = flatRest(function(paths) {
+      var length = paths.length,
+          start = length ? paths[0] : 0,
+          value = this.__wrapped__,
+          interceptor = function(object) { return baseAt(object, paths); };
+
+      if (length > 1 || this.__actions__.length ||
+          !(value instanceof LazyWrapper) || !isIndex(start)) {
+        return this.thru(interceptor);
+      }
+      value = value.slice(start, +start + (length ? 1 : 0));
+      value.__actions__.push({
+        'func': thru,
+        'args': [interceptor],
+        'thisArg': undefined
+      });
+      return new LodashWrapper(value, this.__chain__).thru(function(array) {
+        if (length && !array.length) {
+          array.push(undefined);
+        }
+        return array;
+      });
+    });
+
+    /**
+     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.
+     *
+     * @name chain
+     * @memberOf _
+     * @since 0.1.0
+     * @category Seq
+     * @returns {Object} Returns the new `lodash` wrapper instance.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney', 'age': 36 },
+     *   { 'user': 'fred',   'age': 40 }
+     * ];
+     *
+     * // A sequence without explicit chaining.
+     * _(users).head();
+     * // => { 'user': 'barney', 'age': 36 }
+     *
+     * // A sequence with explicit chaining.
+     * _(users)
+     *   .chain()
+     *   .head()
+     *   .pick('user')
+     *   .value();
+     * // => { 'user': 'barney' }
+     */
+    function wrapperChain() {
+      return chain(this);
+    }
+
+    /**
+     * Executes the chain sequence and returns the wrapped result.
+     *
+     * @name commit
+     * @memberOf _
+     * @since 3.2.0
+     * @category Seq
+     * @returns {Object} Returns the new `lodash` wrapper instance.
+     * @example
+     *
+     * var array = [1, 2];
+     * var wrapped = _(array).push(3);
+     *
+     * console.log(array);
+     * // => [1, 2]
+     *
+     * wrapped = wrapped.commit();
+     * console.log(array);
+     * // => [1, 2, 3]
+     *
+     * wrapped.last();
+     * // => 3
+     *
+     * console.log(array);
+     * // => [1, 2, 3]
+     */
+    function wrapperCommit() {
+      return new LodashWrapper(this.value(), this.__chain__);
+    }
+
+    /**
+     * Gets the next value on a wrapped object following the
+     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).
+     *
+     * @name next
+     * @memberOf _
+     * @since 4.0.0
+     * @category Seq
+     * @returns {Object} Returns the next iterator value.
+     * @example
+     *
+     * var wrapped = _([1, 2]);
+     *
+     * wrapped.next();
+     * // => { 'done': false, 'value': 1 }
+     *
+     * wrapped.next();
+     * // => { 'done': false, 'value': 2 }
+     *
+     * wrapped.next();
+     * // => { 'done': true, 'value': undefined }
+     */
+    function wrapperNext() {
+      if (this.__values__ === undefined) {
+        this.__values__ = toArray(this.value());
+      }
+      var done = this.__index__ >= this.__values__.length,
+          value = done ? undefined : this.__values__[this.__index__++];
+
+      return { 'done': done, 'value': value };
+    }
+
+    /**
+     * Enables the wrapper to be iterable.
+     *
+     * @name Symbol.iterator
+     * @memberOf _
+     * @since 4.0.0
+     * @category Seq
+     * @returns {Object} Returns the wrapper object.
+     * @example
+     *
+     * var wrapped = _([1, 2]);
+     *
+     * wrapped[Symbol.iterator]() === wrapped;
+     * // => true
+     *
+     * Array.from(wrapped);
+     * // => [1, 2]
+     */
+    function wrapperToIterator() {
+      return this;
+    }
+
+    /**
+     * Creates a clone of the chain sequence planting `value` as the wrapped value.
+     *
+     * @name plant
+     * @memberOf _
+     * @since 3.2.0
+     * @category Seq
+     * @param {*} value The value to plant.
+     * @returns {Object} Returns the new `lodash` wrapper instance.
+     * @example
+     *
+     * function square(n) {
+     *   return n * n;
+     * }
+     *
+     * var wrapped = _([1, 2]).map(square);
+     * var other = wrapped.plant([3, 4]);
+     *
+     * other.value();
+     * // => [9, 16]
+     *
+     * wrapped.value();
+     * // => [1, 4]
+     */
+    function wrapperPlant(value) {
+      var result,
+          parent = this;
+
+      while (parent instanceof baseLodash) {
+        var clone = wrapperClone(parent);
+        clone.__index__ = 0;
+        clone.__values__ = undefined;
+        if (result) {
+          previous.__wrapped__ = clone;
+        } else {
+          result = clone;
+        }
+        var previous = clone;
+        parent = parent.__wrapped__;
+      }
+      previous.__wrapped__ = value;
+      return result;
+    }
+
+    /**
+     * This method is the wrapper version of `_.reverse`.
+     *
+     * **Note:** This method mutates the wrapped array.
+     *
+     * @name reverse
+     * @memberOf _
+     * @since 0.1.0
+     * @category Seq
+     * @returns {Object} Returns the new `lodash` wrapper instance.
+     * @example
+     *
+     * var array = [1, 2, 3];
+     *
+     * _(array).reverse().value()
+     * // => [3, 2, 1]
+     *
+     * console.log(array);
+     * // => [3, 2, 1]
+     */
+    function wrapperReverse() {
+      var value = this.__wrapped__;
+      if (value instanceof LazyWrapper) {
+        var wrapped = value;
+        if (this.__actions__.length) {
+          wrapped = new LazyWrapper(this);
+        }
+        wrapped = wrapped.reverse();
+        wrapped.__actions__.push({
+          'func': thru,
+          'args': [reverse],
+          'thisArg': undefined
+        });
+        return new LodashWrapper(wrapped, this.__chain__);
+      }
+      return this.thru(reverse);
+    }
+
+    /**
+     * Executes the chain sequence to resolve the unwrapped value.
+     *
+     * @name value
+     * @memberOf _
+     * @since 0.1.0
+     * @alias toJSON, valueOf
+     * @category Seq
+     * @returns {*} Returns the resolved unwrapped value.
+     * @example
+     *
+     * _([1, 2, 3]).value();
+     * // => [1, 2, 3]
+     */
+    function wrapperValue() {
+      return baseWrapperValue(this.__wrapped__, this.__actions__);
+    }
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates an object composed of keys generated from the results of running
+     * each element of `collection` thru `iteratee`. The corresponding value of
+     * each key is the number of times the key was returned by `iteratee`. The
+     * iteratee is invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 0.5.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
+     * @returns {Object} Returns the composed aggregate object.
+     * @example
+     *
+     * _.countBy([6.1, 4.2, 6.3], Math.floor);
+     * // => { '4': 1, '6': 2 }
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.countBy(['one', 'two', 'three'], 'length');
+     * // => { '3': 2, '5': 1 }
+     */
+    var countBy = createAggregator(function(result, value, key) {
+      if (hasOwnProperty.call(result, key)) {
+        ++result[key];
+      } else {
+        baseAssignValue(result, key, 1);
+      }
+    });
+
+    /**
+     * Checks if `predicate` returns truthy for **all** elements of `collection`.
+     * Iteration is stopped once `predicate` returns falsey. The predicate is
+     * invoked with three arguments: (value, index|key, collection).
+     *
+     * **Note:** This method returns `true` for
+     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because
+     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of
+     * elements of empty collections.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {boolean} Returns `true` if all elements pass the predicate check,
+     *  else `false`.
+     * @example
+     *
+     * _.every([true, 1, null, 'yes'], Boolean);
+     * // => false
+     *
+     * var users = [
+     *   { 'user': 'barney', 'age': 36, 'active': false },
+     *   { 'user': 'fred',   'age': 40, 'active': false }
+     * ];
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.every(users, { 'user': 'barney', 'active': false });
+     * // => false
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.every(users, ['active', false]);
+     * // => true
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.every(users, 'active');
+     * // => false
+     */
+    function every(collection, predicate, guard) {
+      var func = isArray(collection) ? arrayEvery : baseEvery;
+      if (guard && isIterateeCall(collection, predicate, guard)) {
+        predicate = undefined;
+      }
+      return func(collection, getIteratee(predicate, 3));
+    }
+
+    /**
+     * Iterates over elements of `collection`, returning an array of all elements
+     * `predicate` returns truthy for. The predicate is invoked with three
+     * arguments: (value, index|key, collection).
+     *
+     * **Note:** Unlike `_.remove`, this method returns a new array.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the new filtered array.
+     * @see _.reject
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney', 'age': 36, 'active': true },
+     *   { 'user': 'fred',   'age': 40, 'active': false }
+     * ];
+     *
+     * _.filter(users, function(o) { return !o.active; });
+     * // => objects for ['fred']
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.filter(users, { 'age': 36, 'active': true });
+     * // => objects for ['barney']
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.filter(users, ['active', false]);
+     * // => objects for ['fred']
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.filter(users, 'active');
+     * // => objects for ['barney']
+     */
+    function filter(collection, predicate) {
+      var func = isArray(collection) ? arrayFilter : baseFilter;
+      return func(collection, getIteratee(predicate, 3));
+    }
+
+    /**
+     * Iterates over elements of `collection`, returning the first element
+     * `predicate` returns truthy for. The predicate is invoked with three
+     * arguments: (value, index|key, collection).
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to inspect.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @param {number} [fromIndex=0] The index to search from.
+     * @returns {*} Returns the matched element, else `undefined`.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'age': 36, 'active': true },
+     *   { 'user': 'fred',    'age': 40, 'active': false },
+     *   { 'user': 'pebbles', 'age': 1,  'active': true }
+     * ];
+     *
+     * _.find(users, function(o) { return o.age < 40; });
+     * // => object for 'barney'
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.find(users, { 'age': 1, 'active': true });
+     * // => object for 'pebbles'
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.find(users, ['active', false]);
+     * // => object for 'fred'
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.find(users, 'active');
+     * // => object for 'barney'
+     */
+    var find = createFind(findIndex);
+
+    /**
+     * This method is like `_.find` except that it iterates over elements of
+     * `collection` from right to left.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.0.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to inspect.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @param {number} [fromIndex=collection.length-1] The index to search from.
+     * @returns {*} Returns the matched element, else `undefined`.
+     * @example
+     *
+     * _.findLast([1, 2, 3, 4], function(n) {
+     *   return n % 2 == 1;
+     * });
+     * // => 3
+     */
+    var findLast = createFind(findLastIndex);
+
+    /**
+     * Creates a flattened array of values by running each element in `collection`
+     * thru `iteratee` and flattening the mapped results. The iteratee is invoked
+     * with three arguments: (value, index|key, collection).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the new flattened array.
+     * @example
+     *
+     * function duplicate(n) {
+     *   return [n, n];
+     * }
+     *
+     * _.flatMap([1, 2], duplicate);
+     * // => [1, 1, 2, 2]
+     */
+    function flatMap(collection, iteratee) {
+      return baseFlatten(map(collection, iteratee), 1);
+    }
+
+    /**
+     * This method is like `_.flatMap` except that it recursively flattens the
+     * mapped results.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.7.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the new flattened array.
+     * @example
+     *
+     * function duplicate(n) {
+     *   return [[[n, n]]];
+     * }
+     *
+     * _.flatMapDeep([1, 2], duplicate);
+     * // => [1, 1, 2, 2]
+     */
+    function flatMapDeep(collection, iteratee) {
+      return baseFlatten(map(collection, iteratee), INFINITY);
+    }
+
+    /**
+     * This method is like `_.flatMap` except that it recursively flattens the
+     * mapped results up to `depth` times.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.7.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @param {number} [depth=1] The maximum recursion depth.
+     * @returns {Array} Returns the new flattened array.
+     * @example
+     *
+     * function duplicate(n) {
+     *   return [[[n, n]]];
+     * }
+     *
+     * _.flatMapDepth([1, 2], duplicate, 2);
+     * // => [[1, 1], [2, 2]]
+     */
+    function flatMapDepth(collection, iteratee, depth) {
+      depth = depth === undefined ? 1 : toInteger(depth);
+      return baseFlatten(map(collection, iteratee), depth);
+    }
+
+    /**
+     * Iterates over elements of `collection` and invokes `iteratee` for each element.
+     * The iteratee is invoked with three arguments: (value, index|key, collection).
+     * Iteratee functions may exit iteration early by explicitly returning `false`.
+     *
+     * **Note:** As with other "Collections" methods, objects with a "length"
+     * property are iterated like arrays. To avoid this behavior use `_.forIn`
+     * or `_.forOwn` for object iteration.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @alias each
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Array|Object} Returns `collection`.
+     * @see _.forEachRight
+     * @example
+     *
+     * _.forEach([1, 2], function(value) {
+     *   console.log(value);
+     * });
+     * // => Logs `1` then `2`.
+     *
+     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {
+     *   console.log(key);
+     * });
+     * // => Logs 'a' then 'b' (iteration order is not guaranteed).
+     */
+    function forEach(collection, iteratee) {
+      var func = isArray(collection) ? arrayEach : baseEach;
+      return func(collection, getIteratee(iteratee, 3));
+    }
+
+    /**
+     * This method is like `_.forEach` except that it iterates over elements of
+     * `collection` from right to left.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.0.0
+     * @alias eachRight
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Array|Object} Returns `collection`.
+     * @see _.forEach
+     * @example
+     *
+     * _.forEachRight([1, 2], function(value) {
+     *   console.log(value);
+     * });
+     * // => Logs `2` then `1`.
+     */
+    function forEachRight(collection, iteratee) {
+      var func = isArray(collection) ? arrayEachRight : baseEachRight;
+      return func(collection, getIteratee(iteratee, 3));
+    }
+
+    /**
+     * Creates an object composed of keys generated from the results of running
+     * each element of `collection` thru `iteratee`. The order of grouped values
+     * is determined by the order they occur in `collection`. The corresponding
+     * value of each key is an array of elements responsible for generating the
+     * key. The iteratee is invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
+     * @returns {Object} Returns the composed aggregate object.
+     * @example
+     *
+     * _.groupBy([6.1, 4.2, 6.3], Math.floor);
+     * // => { '4': [4.2], '6': [6.1, 6.3] }
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.groupBy(['one', 'two', 'three'], 'length');
+     * // => { '3': ['one', 'two'], '5': ['three'] }
+     */
+    var groupBy = createAggregator(function(result, value, key) {
+      if (hasOwnProperty.call(result, key)) {
+        result[key].push(value);
+      } else {
+        baseAssignValue(result, key, [value]);
+      }
+    });
+
+    /**
+     * Checks if `value` is in `collection`. If `collection` is a string, it's
+     * checked for a substring of `value`, otherwise
+     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+     * is used for equality comparisons. If `fromIndex` is negative, it's used as
+     * the offset from the end of `collection`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to inspect.
+     * @param {*} value The value to search for.
+     * @param {number} [fromIndex=0] The index to search from.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.
+     * @returns {boolean} Returns `true` if `value` is found, else `false`.
+     * @example
+     *
+     * _.includes([1, 2, 3], 1);
+     * // => true
+     *
+     * _.includes([1, 2, 3], 1, 2);
+     * // => false
+     *
+     * _.includes({ 'a': 1, 'b': 2 }, 1);
+     * // => true
+     *
+     * _.includes('abcd', 'bc');
+     * // => true
+     */
+    function includes(collection, value, fromIndex, guard) {
+      collection = isArrayLike(collection) ? collection : values(collection);
+      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;
+
+      var length = collection.length;
+      if (fromIndex < 0) {
+        fromIndex = nativeMax(length + fromIndex, 0);
+      }
+      return isString(collection)
+        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)
+        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);
+    }
+
+    /**
+     * Invokes the method at `path` of each element in `collection`, returning
+     * an array of the results of each invoked method. Any additional arguments
+     * are provided to each invoked method. If `path` is a function, it's invoked
+     * for, and `this` bound to, each element in `collection`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Array|Function|string} path The path of the method to invoke or
+     *  the function invoked per iteration.
+     * @param {...*} [args] The arguments to invoke each method with.
+     * @returns {Array} Returns the array of results.
+     * @example
+     *
+     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');
+     * // => [[1, 5, 7], [1, 2, 3]]
+     *
+     * _.invokeMap([123, 456], String.prototype.split, '');
+     * // => [['1', '2', '3'], ['4', '5', '6']]
+     */
+    var invokeMap = baseRest(function(collection, path, args) {
+      var index = -1,
+          isFunc = typeof path == 'function',
+          result = isArrayLike(collection) ? Array(collection.length) : [];
+
+      baseEach(collection, function(value) {
+        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);
+      });
+      return result;
+    });
+
+    /**
+     * Creates an object composed of keys generated from the results of running
+     * each element of `collection` thru `iteratee`. The corresponding value of
+     * each key is the last element responsible for generating the key. The
+     * iteratee is invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
+     * @returns {Object} Returns the composed aggregate object.
+     * @example
+     *
+     * var array = [
+     *   { 'dir': 'left', 'code': 97 },
+     *   { 'dir': 'right', 'code': 100 }
+     * ];
+     *
+     * _.keyBy(array, function(o) {
+     *   return String.fromCharCode(o.code);
+     * });
+     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }
+     *
+     * _.keyBy(array, 'dir');
+     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }
+     */
+    var keyBy = createAggregator(function(result, value, key) {
+      baseAssignValue(result, key, value);
+    });
+
+    /**
+     * Creates an array of values by running each element in `collection` thru
+     * `iteratee`. The iteratee is invoked with three arguments:
+     * (value, index|key, collection).
+     *
+     * Many lodash methods are guarded to work as iteratees for methods like
+     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.
+     *
+     * The guarded methods are:
+     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,
+     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,
+     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,
+     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the new mapped array.
+     * @example
+     *
+     * function square(n) {
+     *   return n * n;
+     * }
+     *
+     * _.map([4, 8], square);
+     * // => [16, 64]
+     *
+     * _.map({ 'a': 4, 'b': 8 }, square);
+     * // => [16, 64] (iteration order is not guaranteed)
+     *
+     * var users = [
+     *   { 'user': 'barney' },
+     *   { 'user': 'fred' }
+     * ];
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.map(users, 'user');
+     * // => ['barney', 'fred']
+     */
+    function map(collection, iteratee) {
+      var func = isArray(collection) ? arrayMap : baseMap;
+      return func(collection, getIteratee(iteratee, 3));
+    }
+
+    /**
+     * This method is like `_.sortBy` except that it allows specifying the sort
+     * orders of the iteratees to sort by. If `orders` is unspecified, all values
+     * are sorted in ascending order. Otherwise, specify an order of "desc" for
+     * descending or "asc" for ascending sort order of corresponding values.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]
+     *  The iteratees to sort by.
+     * @param {string[]} [orders] The sort orders of `iteratees`.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.
+     * @returns {Array} Returns the new sorted array.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'fred',   'age': 48 },
+     *   { 'user': 'barney', 'age': 34 },
+     *   { 'user': 'fred',   'age': 40 },
+     *   { 'user': 'barney', 'age': 36 }
+     * ];
+     *
+     * // Sort by `user` in ascending order and by `age` in descending order.
+     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);
+     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]
+     */
+    function orderBy(collection, iteratees, orders, guard) {
+      if (collection == null) {
+        return [];
+      }
+      if (!isArray(iteratees)) {
+        iteratees = iteratees == null ? [] : [iteratees];
+      }
+      orders = guard ? undefined : orders;
+      if (!isArray(orders)) {
+        orders = orders == null ? [] : [orders];
+      }
+      return baseOrderBy(collection, iteratees, orders);
+    }
+
+    /**
+     * Creates an array of elements split into two groups, the first of which
+     * contains elements `predicate` returns truthy for, the second of which
+     * contains elements `predicate` returns falsey for. The predicate is
+     * invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the array of grouped elements.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'age': 36, 'active': false },
+     *   { 'user': 'fred',    'age': 40, 'active': true },
+     *   { 'user': 'pebbles', 'age': 1,  'active': false }
+     * ];
+     *
+     * _.partition(users, function(o) { return o.active; });
+     * // => objects for [['fred'], ['barney', 'pebbles']]
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.partition(users, { 'age': 1, 'active': false });
+     * // => objects for [['pebbles'], ['barney', 'fred']]
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.partition(users, ['active', false]);
+     * // => objects for [['barney', 'pebbles'], ['fred']]
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.partition(users, 'active');
+     * // => objects for [['fred'], ['barney', 'pebbles']]
+     */
+    var partition = createAggregator(function(result, value, key) {
+      result[key ? 0 : 1].push(value);
+    }, function() { return [[], []]; });
+
+    /**
+     * Reduces `collection` to a value which is the accumulated result of running
+     * each element in `collection` thru `iteratee`, where each successive
+     * invocation is supplied the return value of the previous. If `accumulator`
+     * is not given, the first element of `collection` is used as the initial
+     * value. The iteratee is invoked with four arguments:
+     * (accumulator, value, index|key, collection).
+     *
+     * Many lodash methods are guarded to work as iteratees for methods like
+     * `_.reduce`, `_.reduceRight`, and `_.transform`.
+     *
+     * The guarded methods are:
+     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,
+     * and `sortBy`
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @param {*} [accumulator] The initial value.
+     * @returns {*} Returns the accumulated value.
+     * @see _.reduceRight
+     * @example
+     *
+     * _.reduce([1, 2], function(sum, n) {
+     *   return sum + n;
+     * }, 0);
+     * // => 3
+     *
+     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {
+     *   (result[value] || (result[value] = [])).push(key);
+     *   return result;
+     * }, {});
+     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)
+     */
+    function reduce(collection, iteratee, accumulator) {
+      var func = isArray(collection) ? arrayReduce : baseReduce,
+          initAccum = arguments.length < 3;
+
+      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);
+    }
+
+    /**
+     * This method is like `_.reduce` except that it iterates over elements of
+     * `collection` from right to left.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @param {*} [accumulator] The initial value.
+     * @returns {*} Returns the accumulated value.
+     * @see _.reduce
+     * @example
+     *
+     * var array = [[0, 1], [2, 3], [4, 5]];
+     *
+     * _.reduceRight(array, function(flattened, other) {
+     *   return flattened.concat(other);
+     * }, []);
+     * // => [4, 5, 2, 3, 0, 1]
+     */
+    function reduceRight(collection, iteratee, accumulator) {
+      var func = isArray(collection) ? arrayReduceRight : baseReduce,
+          initAccum = arguments.length < 3;
+
+      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);
+    }
+
+    /**
+     * The opposite of `_.filter`; this method returns the elements of `collection`
+     * that `predicate` does **not** return truthy for.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the new filtered array.
+     * @see _.filter
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney', 'age': 36, 'active': false },
+     *   { 'user': 'fred',   'age': 40, 'active': true }
+     * ];
+     *
+     * _.reject(users, function(o) { return !o.active; });
+     * // => objects for ['fred']
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.reject(users, { 'age': 40, 'active': true });
+     * // => objects for ['barney']
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.reject(users, ['active', false]);
+     * // => objects for ['fred']
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.reject(users, 'active');
+     * // => objects for ['barney']
+     */
+    function reject(collection, predicate) {
+      var func = isArray(collection) ? arrayFilter : baseFilter;
+      return func(collection, negate(getIteratee(predicate, 3)));
+    }
+
+    /**
+     * Gets a random element from `collection`.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.0.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to sample.
+     * @returns {*} Returns the random element.
+     * @example
+     *
+     * _.sample([1, 2, 3, 4]);
+     * // => 2
+     */
+    function sample(collection) {
+      var func = isArray(collection) ? arraySample : baseSample;
+      return func(collection);
+    }
+
+    /**
+     * Gets `n` random elements at unique keys from `collection` up to the
+     * size of `collection`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to sample.
+     * @param {number} [n=1] The number of elements to sample.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Array} Returns the random elements.
+     * @example
+     *
+     * _.sampleSize([1, 2, 3], 2);
+     * // => [3, 1]
+     *
+     * _.sampleSize([1, 2, 3], 4);
+     * // => [2, 3, 1]
+     */
+    function sampleSize(collection, n, guard) {
+      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {
+        n = 1;
+      } else {
+        n = toInteger(n);
+      }
+      var func = isArray(collection) ? arraySampleSize : baseSampleSize;
+      return func(collection, n);
+    }
+
+    /**
+     * Creates an array of shuffled values, using a version of the
+     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to shuffle.
+     * @returns {Array} Returns the new shuffled array.
+     * @example
+     *
+     * _.shuffle([1, 2, 3, 4]);
+     * // => [4, 1, 3, 2]
+     */
+    function shuffle(collection) {
+      var func = isArray(collection) ? arrayShuffle : baseShuffle;
+      return func(collection);
+    }
+
+    /**
+     * Gets the size of `collection` by returning its length for array-like
+     * values or the number of own enumerable string keyed properties for objects.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to inspect.
+     * @returns {number} Returns the collection size.
+     * @example
+     *
+     * _.size([1, 2, 3]);
+     * // => 3
+     *
+     * _.size({ 'a': 1, 'b': 2 });
+     * // => 2
+     *
+     * _.size('pebbles');
+     * // => 7
+     */
+    function size(collection) {
+      if (collection == null) {
+        return 0;
+      }
+      if (isArrayLike(collection)) {
+        return isString(collection) ? stringSize(collection) : collection.length;
+      }
+      var tag = getTag(collection);
+      if (tag == mapTag || tag == setTag) {
+        return collection.size;
+      }
+      return baseKeys(collection).length;
+    }
+
+    /**
+     * Checks if `predicate` returns truthy for **any** element of `collection`.
+     * Iteration is stopped once `predicate` returns truthy. The predicate is
+     * invoked with three arguments: (value, index|key, collection).
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {boolean} Returns `true` if any element passes the predicate check,
+     *  else `false`.
+     * @example
+     *
+     * _.some([null, 0, 'yes', false], Boolean);
+     * // => true
+     *
+     * var users = [
+     *   { 'user': 'barney', 'active': true },
+     *   { 'user': 'fred',   'active': false }
+     * ];
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.some(users, { 'user': 'barney', 'active': false });
+     * // => false
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.some(users, ['active', false]);
+     * // => true
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.some(users, 'active');
+     * // => true
+     */
+    function some(collection, predicate, guard) {
+      var func = isArray(collection) ? arraySome : baseSome;
+      if (guard && isIterateeCall(collection, predicate, guard)) {
+        predicate = undefined;
+      }
+      return func(collection, getIteratee(predicate, 3));
+    }
+
+    /**
+     * Creates an array of elements, sorted in ascending order by the results of
+     * running each element in a collection thru each iteratee. This method
+     * performs a stable sort, that is, it preserves the original sort order of
+     * equal elements. The iteratees are invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {...(Function|Function[])} [iteratees=[_.identity]]
+     *  The iteratees to sort by.
+     * @returns {Array} Returns the new sorted array.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'fred',   'age': 48 },
+     *   { 'user': 'barney', 'age': 36 },
+     *   { 'user': 'fred',   'age': 40 },
+     *   { 'user': 'barney', 'age': 34 }
+     * ];
+     *
+     * _.sortBy(users, [function(o) { return o.user; }]);
+     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]
+     *
+     * _.sortBy(users, ['user', 'age']);
+     * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]
+     */
+    var sortBy = baseRest(function(collection, iteratees) {
+      if (collection == null) {
+        return [];
+      }
+      var length = iteratees.length;
+      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {
+        iteratees = [];
+      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {
+        iteratees = [iteratees[0]];
+      }
+      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);
+    });
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Gets the timestamp of the number of milliseconds that have elapsed since
+     * the Unix epoch (1 January 1970 00:00:00 UTC).
+     *
+     * @static
+     * @memberOf _
+     * @since 2.4.0
+     * @category Date
+     * @returns {number} Returns the timestamp.
+     * @example
+     *
+     * _.defer(function(stamp) {
+     *   console.log(_.now() - stamp);
+     * }, _.now());
+     * // => Logs the number of milliseconds it took for the deferred invocation.
+     */
+    var now = ctxNow || function() {
+      return root.Date.now();
+    };
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * The opposite of `_.before`; this method creates a function that invokes
+     * `func` once it's called `n` or more times.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Function
+     * @param {number} n The number of calls before `func` is invoked.
+     * @param {Function} func The function to restrict.
+     * @returns {Function} Returns the new restricted function.
+     * @example
+     *
+     * var saves = ['profile', 'settings'];
+     *
+     * var done = _.after(saves.length, function() {
+     *   console.log('done saving!');
+     * });
+     *
+     * _.forEach(saves, function(type) {
+     *   asyncSave({ 'type': type, 'complete': done });
+     * });
+     * // => Logs 'done saving!' after the two async saves have completed.
+     */
+    function after(n, func) {
+      if (typeof func != 'function') {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      n = toInteger(n);
+      return function() {
+        if (--n < 1) {
+          return func.apply(this, arguments);
+        }
+      };
+    }
+
+    /**
+     * Creates a function that invokes `func`, with up to `n` arguments,
+     * ignoring any additional arguments.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Function
+     * @param {Function} func The function to cap arguments for.
+     * @param {number} [n=func.length] The arity cap.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Function} Returns the new capped function.
+     * @example
+     *
+     * _.map(['6', '8', '10'], _.ary(parseInt, 1));
+     * // => [6, 8, 10]
+     */
+    function ary(func, n, guard) {
+      n = guard ? undefined : n;
+      n = (func && n == null) ? func.length : n;
+      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);
+    }
+
+    /**
+     * Creates a function that invokes `func`, with the `this` binding and arguments
+     * of the created function, while it's called less than `n` times. Subsequent
+     * calls to the created function return the result of the last `func` invocation.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Function
+     * @param {number} n The number of calls at which `func` is no longer invoked.
+     * @param {Function} func The function to restrict.
+     * @returns {Function} Returns the new restricted function.
+     * @example
+     *
+     * jQuery(element).on('click', _.before(5, addContactToList));
+     * // => Allows adding up to 4 contacts to the list.
+     */
+    function before(n, func) {
+      var result;
+      if (typeof func != 'function') {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      n = toInteger(n);
+      return function() {
+        if (--n > 0) {
+          result = func.apply(this, arguments);
+        }
+        if (n <= 1) {
+          func = undefined;
+        }
+        return result;
+      };
+    }
+
+    /**
+     * Creates a function that invokes `func` with the `this` binding of `thisArg`
+     * and `partials` prepended to the arguments it receives.
+     *
+     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,
+     * may be used as a placeholder for partially applied arguments.
+     *
+     * **Note:** Unlike native `Function#bind`, this method doesn't set the "length"
+     * property of bound functions.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Function
+     * @param {Function} func The function to bind.
+     * @param {*} thisArg The `this` binding of `func`.
+     * @param {...*} [partials] The arguments to be partially applied.
+     * @returns {Function} Returns the new bound function.
+     * @example
+     *
+     * function greet(greeting, punctuation) {
+     *   return greeting + ' ' + this.user + punctuation;
+     * }
+     *
+     * var object = { 'user': 'fred' };
+     *
+     * var bound = _.bind(greet, object, 'hi');
+     * bound('!');
+     * // => 'hi fred!'
+     *
+     * // Bound with placeholders.
+     * var bound = _.bind(greet, object, _, '!');
+     * bound('hi');
+     * // => 'hi fred!'
+     */
+    var bind = baseRest(function(func, thisArg, partials) {
+      var bitmask = WRAP_BIND_FLAG;
+      if (partials.length) {
+        var holders = replaceHolders(partials, getHolder(bind));
+        bitmask |= WRAP_PARTIAL_FLAG;
+      }
+      return createWrap(func, bitmask, thisArg, partials, holders);
+    });
+
+    /**
+     * Creates a function that invokes the method at `object[key]` with `partials`
+     * prepended to the arguments it receives.
+     *
+     * This method differs from `_.bind` by allowing bound functions to reference
+     * methods that may be redefined or don't yet exist. See
+     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)
+     * for more details.
+     *
+     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic
+     * builds, may be used as a placeholder for partially applied arguments.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.10.0
+     * @category Function
+     * @param {Object} object The object to invoke the method on.
+     * @param {string} key The key of the method.
+     * @param {...*} [partials] The arguments to be partially applied.
+     * @returns {Function} Returns the new bound function.
+     * @example
+     *
+     * var object = {
+     *   'user': 'fred',
+     *   'greet': function(greeting, punctuation) {
+     *     return greeting + ' ' + this.user + punctuation;
+     *   }
+     * };
+     *
+     * var bound = _.bindKey(object, 'greet', 'hi');
+     * bound('!');
+     * // => 'hi fred!'
+     *
+     * object.greet = function(greeting, punctuation) {
+     *   return greeting + 'ya ' + this.user + punctuation;
+     * };
+     *
+     * bound('!');
+     * // => 'hiya fred!'
+     *
+     * // Bound with placeholders.
+     * var bound = _.bindKey(object, 'greet', _, '!');
+     * bound('hi');
+     * // => 'hiya fred!'
+     */
+    var bindKey = baseRest(function(object, key, partials) {
+      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;
+      if (partials.length) {
+        var holders = replaceHolders(partials, getHolder(bindKey));
+        bitmask |= WRAP_PARTIAL_FLAG;
+      }
+      return createWrap(key, bitmask, object, partials, holders);
+    });
+
+    /**
+     * Creates a function that accepts arguments of `func` and either invokes
+     * `func` returning its result, if at least `arity` number of arguments have
+     * been provided, or returns a function that accepts the remaining `func`
+     * arguments, and so on. The arity of `func` may be specified if `func.length`
+     * is not sufficient.
+     *
+     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,
+     * may be used as a placeholder for provided arguments.
+     *
+     * **Note:** This method doesn't set the "length" property of curried functions.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.0.0
+     * @category Function
+     * @param {Function} func The function to curry.
+     * @param {number} [arity=func.length] The arity of `func`.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Function} Returns the new curried function.
+     * @example
+     *
+     * var abc = function(a, b, c) {
+     *   return [a, b, c];
+     * };
+     *
+     * var curried = _.curry(abc);
+     *
+     * curried(1)(2)(3);
+     * // => [1, 2, 3]
+     *
+     * curried(1, 2)(3);
+     * // => [1, 2, 3]
+     *
+     * curried(1, 2, 3);
+     * // => [1, 2, 3]
+     *
+     * // Curried with placeholders.
+     * curried(1)(_, 3)(2);
+     * // => [1, 2, 3]
+     */
+    function curry(func, arity, guard) {
+      arity = guard ? undefined : arity;
+      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
+      result.placeholder = curry.placeholder;
+      return result;
+    }
+
+    /**
+     * This method is like `_.curry` except that arguments are applied to `func`
+     * in the manner of `_.partialRight` instead of `_.partial`.
+     *
+     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic
+     * builds, may be used as a placeholder for provided arguments.
+     *
+     * **Note:** This method doesn't set the "length" property of curried functions.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Function
+     * @param {Function} func The function to curry.
+     * @param {number} [arity=func.length] The arity of `func`.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Function} Returns the new curried function.
+     * @example
+     *
+     * var abc = function(a, b, c) {
+     *   return [a, b, c];
+     * };
+     *
+     * var curried = _.curryRight(abc);
+     *
+     * curried(3)(2)(1);
+     * // => [1, 2, 3]
+     *
+     * curried(2, 3)(1);
+     * // => [1, 2, 3]
+     *
+     * curried(1, 2, 3);
+     * // => [1, 2, 3]
+     *
+     * // Curried with placeholders.
+     * curried(3)(1, _)(2);
+     * // => [1, 2, 3]
+     */
+    function curryRight(func, arity, guard) {
+      arity = guard ? undefined : arity;
+      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
+      result.placeholder = curryRight.placeholder;
+      return result;
+    }
+
+    /**
+     * Creates a debounced function that delays invoking `func` until after `wait`
+     * milliseconds have elapsed since the last time the debounced function was
+     * invoked. The debounced function comes with a `cancel` method to cancel
+     * delayed `func` invocations and a `flush` method to immediately invoke them.
+     * Provide `options` to indicate whether `func` should be invoked on the
+     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked
+     * with the last arguments provided to the debounced function. Subsequent
+     * calls to the debounced function return the result of the last `func`
+     * invocation.
+     *
+     * **Note:** If `leading` and `trailing` options are `true`, `func` is
+     * invoked on the trailing edge of the timeout only if the debounced function
+     * is invoked more than once during the `wait` timeout.
+     *
+     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
+     * until to the next tick, similar to `setTimeout` with a timeout of `0`.
+     *
+     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
+     * for details over the differences between `_.debounce` and `_.throttle`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Function
+     * @param {Function} func The function to debounce.
+     * @param {number} [wait=0] The number of milliseconds to delay.
+     * @param {Object} [options={}] The options object.
+     * @param {boolean} [options.leading=false]
+     *  Specify invoking on the leading edge of the timeout.
+     * @param {number} [options.maxWait]
+     *  The maximum time `func` is allowed to be delayed before it's invoked.
+     * @param {boolean} [options.trailing=true]
+     *  Specify invoking on the trailing edge of the timeout.
+     * @returns {Function} Returns the new debounced function.
+     * @example
+     *
+     * // Avoid costly calculations while the window size is in flux.
+     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));
+     *
+     * // Invoke `sendMail` when clicked, debouncing subsequent calls.
+     * jQuery(element).on('click', _.debounce(sendMail, 300, {
+     *   'leading': true,
+     *   'trailing': false
+     * }));
+     *
+     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.
+     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });
+     * var source = new EventSource('/stream');
+     * jQuery(source).on('message', debounced);
+     *
+     * // Cancel the trailing debounced invocation.
+     * jQuery(window).on('popstate', debounced.cancel);
+     */
+    function debounce(func, wait, options) {
+      var lastArgs,
+          lastThis,
+          maxWait,
+          result,
+          timerId,
+          lastCallTime,
+          lastInvokeTime = 0,
+          leading = false,
+          maxing = false,
+          trailing = true;
+
+      if (typeof func != 'function') {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      wait = toNumber(wait) || 0;
+      if (isObject(options)) {
+        leading = !!options.leading;
+        maxing = 'maxWait' in options;
+        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;
+        trailing = 'trailing' in options ? !!options.trailing : trailing;
+      }
+
+      function invokeFunc(time) {
+        var args = lastArgs,
+            thisArg = lastThis;
+
+        lastArgs = lastThis = undefined;
+        lastInvokeTime = time;
+        result = func.apply(thisArg, args);
+        return result;
+      }
+
+      function leadingEdge(time) {
+        // Reset any `maxWait` timer.
+        lastInvokeTime = time;
+        // Start the timer for the trailing edge.
+        timerId = setTimeout(timerExpired, wait);
+        // Invoke the leading edge.
+        return leading ? invokeFunc(time) : result;
+      }
+
+      function remainingWait(time) {
+        var timeSinceLastCall = time - lastCallTime,
+            timeSinceLastInvoke = time - lastInvokeTime,
+            result = wait - timeSinceLastCall;
+
+        return maxing ? nativeMin(result, maxWait - timeSinceLastInvoke) : result;
+      }
+
+      function shouldInvoke(time) {
+        var timeSinceLastCall = time - lastCallTime,
+            timeSinceLastInvoke = time - lastInvokeTime;
+
+        // Either this is the first call, activity has stopped and we're at the
+        // trailing edge, the system time has gone backwards and we're treating
+        // it as the trailing edge, or we've hit the `maxWait` limit.
+        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||
+          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));
+      }
+
+      function timerExpired() {
+        var time = now();
+        if (shouldInvoke(time)) {
+          return trailingEdge(time);
+        }
+        // Restart the timer.
+        timerId = setTimeout(timerExpired, remainingWait(time));
+      }
+
+      function trailingEdge(time) {
+        timerId = undefined;
+
+        // Only invoke if we have `lastArgs` which means `func` has been
+        // debounced at least once.
+        if (trailing && lastArgs) {
+          return invokeFunc(time);
+        }
+        lastArgs = lastThis = undefined;
+        return result;
+      }
+
+      function cancel() {
+        if (timerId !== undefined) {
+          clearTimeout(timerId);
+        }
+        lastInvokeTime = 0;
+        lastArgs = lastCallTime = lastThis = timerId = undefined;
+      }
+
+      function flush() {
+        return timerId === undefined ? result : trailingEdge(now());
+      }
+
+      function debounced() {
+        var time = now(),
+            isInvoking = shouldInvoke(time);
+
+        lastArgs = arguments;
+        lastThis = this;
+        lastCallTime = time;
+
+        if (isInvoking) {
+          if (timerId === undefined) {
+            return leadingEdge(lastCallTime);
+          }
+          if (maxing) {
+            // Handle invocations in a tight loop.
+            timerId = setTimeout(timerExpired, wait);
+            return invokeFunc(lastCallTime);
+          }
+        }
+        if (timerId === undefined) {
+          timerId = setTimeout(timerExpired, wait);
+        }
+        return result;
+      }
+      debounced.cancel = cancel;
+      debounced.flush = flush;
+      return debounced;
+    }
+
+    /**
+     * Defers invoking the `func` until the current call stack has cleared. Any
+     * additional arguments are provided to `func` when it's invoked.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Function
+     * @param {Function} func The function to defer.
+     * @param {...*} [args] The arguments to invoke `func` with.
+     * @returns {number} Returns the timer id.
+     * @example
+     *
+     * _.defer(function(text) {
+     *   console.log(text);
+     * }, 'deferred');
+     * // => Logs 'deferred' after one millisecond.
+     */
+    var defer = baseRest(function(func, args) {
+      return baseDelay(func, 1, args);
+    });
+
+    /**
+     * Invokes `func` after `wait` milliseconds. Any additional arguments are
+     * provided to `func` when it's invoked.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Function
+     * @param {Function} func The function to delay.
+     * @param {number} wait The number of milliseconds to delay invocation.
+     * @param {...*} [args] The arguments to invoke `func` with.
+     * @returns {number} Returns the timer id.
+     * @example
+     *
+     * _.delay(function(text) {
+     *   console.log(text);
+     * }, 1000, 'later');
+     * // => Logs 'later' after one second.
+     */
+    var delay = baseRest(function(func, wait, args) {
+      return baseDelay(func, toNumber(wait) || 0, args);
+    });
+
+    /**
+     * Creates a function that invokes `func` with arguments reversed.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Function
+     * @param {Function} func The function to flip arguments for.
+     * @returns {Function} Returns the new flipped function.
+     * @example
+     *
+     * var flipped = _.flip(function() {
+     *   return _.toArray(arguments);
+     * });
+     *
+     * flipped('a', 'b', 'c', 'd');
+     * // => ['d', 'c', 'b', 'a']
+     */
+    function flip(func) {
+      return createWrap(func, WRAP_FLIP_FLAG);
+    }
+
+    /**
+     * Creates a function that memoizes the result of `func`. If `resolver` is
+     * provided, it determines the cache key for storing the result based on the
+     * arguments provided to the memoized function. By default, the first argument
+     * provided to the memoized function is used as the map cache key. The `func`
+     * is invoked with the `this` binding of the memoized function.
+     *
+     * **Note:** The cache is exposed as the `cache` property on the memoized
+     * function. Its creation may be customized by replacing the `_.memoize.Cache`
+     * constructor with one whose instances implement the
+     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)
+     * method interface of `clear`, `delete`, `get`, `has`, and `set`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Function
+     * @param {Function} func The function to have its output memoized.
+     * @param {Function} [resolver] The function to resolve the cache key.
+     * @returns {Function} Returns the new memoized function.
+     * @example
+     *
+     * var object = { 'a': 1, 'b': 2 };
+     * var other = { 'c': 3, 'd': 4 };
+     *
+     * var values = _.memoize(_.values);
+     * values(object);
+     * // => [1, 2]
+     *
+     * values(other);
+     * // => [3, 4]
+     *
+     * object.a = 2;
+     * values(object);
+     * // => [1, 2]
+     *
+     * // Modify the result cache.
+     * values.cache.set(object, ['a', 'b']);
+     * values(object);
+     * // => ['a', 'b']
+     *
+     * // Replace `_.memoize.Cache`.
+     * _.memoize.Cache = WeakMap;
+     */
+    function memoize(func, resolver) {
+      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      var memoized = function() {
+        var args = arguments,
+            key = resolver ? resolver.apply(this, args) : args[0],
+            cache = memoized.cache;
+
+        if (cache.has(key)) {
+          return cache.get(key);
+        }
+        var result = func.apply(this, args);
+        memoized.cache = cache.set(key, result) || cache;
+        return result;
+      };
+      memoized.cache = new (memoize.Cache || MapCache);
+      return memoized;
+    }
+
+    // Expose `MapCache`.
+    memoize.Cache = MapCache;
+
+    /**
+     * Creates a function that negates the result of the predicate `func`. The
+     * `func` predicate is invoked with the `this` binding and arguments of the
+     * created function.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Function
+     * @param {Function} predicate The predicate to negate.
+     * @returns {Function} Returns the new negated function.
+     * @example
+     *
+     * function isEven(n) {
+     *   return n % 2 == 0;
+     * }
+     *
+     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));
+     * // => [1, 3, 5]
+     */
+    function negate(predicate) {
+      if (typeof predicate != 'function') {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      return function() {
+        var args = arguments;
+        switch (args.length) {
+          case 0: return !predicate.call(this);
+          case 1: return !predicate.call(this, args[0]);
+          case 2: return !predicate.call(this, args[0], args[1]);
+          case 3: return !predicate.call(this, args[0], args[1], args[2]);
+        }
+        return !predicate.apply(this, args);
+      };
+    }
+
+    /**
+     * Creates a function that is restricted to invoking `func` once. Repeat calls
+     * to the function return the value of the first invocation. The `func` is
+     * invoked with the `this` binding and arguments of the created function.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Function
+     * @param {Function} func The function to restrict.
+     * @returns {Function} Returns the new restricted function.
+     * @example
+     *
+     * var initialize = _.once(createApplication);
+     * initialize();
+     * initialize();
+     * // => `createApplication` is invoked once
+     */
+    function once(func) {
+      return before(2, func);
+    }
+
+    /**
+     * Creates a function that invokes `func` with its arguments transformed.
+     *
+     * @static
+     * @since 4.0.0
+     * @memberOf _
+     * @category Function
+     * @param {Function} func The function to wrap.
+     * @param {...(Function|Function[])} [transforms=[_.identity]]
+     *  The argument transforms.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * function doubled(n) {
+     *   return n * 2;
+     * }
+     *
+     * function square(n) {
+     *   return n * n;
+     * }
+     *
+     * var func = _.overArgs(function(x, y) {
+     *   return [x, y];
+     * }, [square, doubled]);
+     *
+     * func(9, 3);
+     * // => [81, 6]
+     *
+     * func(10, 5);
+     * // => [100, 10]
+     */
+    var overArgs = castRest(function(func, transforms) {
+      transforms = (transforms.length == 1 && isArray(transforms[0]))
+        ? arrayMap(transforms[0], baseUnary(getIteratee()))
+        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));
+
+      var funcsLength = transforms.length;
+      return baseRest(function(args) {
+        var index = -1,
+            length = nativeMin(args.length, funcsLength);
+
+        while (++index < length) {
+          args[index] = transforms[index].call(this, args[index]);
+        }
+        return apply(func, this, args);
+      });
+    });
+
+    /**
+     * Creates a function that invokes `func` with `partials` prepended to the
+     * arguments it receives. This method is like `_.bind` except it does **not**
+     * alter the `this` binding.
+     *
+     * The `_.partial.placeholder` value, which defaults to `_` in monolithic
+     * builds, may be used as a placeholder for partially applied arguments.
+     *
+     * **Note:** This method doesn't set the "length" property of partially
+     * applied functions.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.2.0
+     * @category Function
+     * @param {Function} func The function to partially apply arguments to.
+     * @param {...*} [partials] The arguments to be partially applied.
+     * @returns {Function} Returns the new partially applied function.
+     * @example
+     *
+     * function greet(greeting, name) {
+     *   return greeting + ' ' + name;
+     * }
+     *
+     * var sayHelloTo = _.partial(greet, 'hello');
+     * sayHelloTo('fred');
+     * // => 'hello fred'
+     *
+     * // Partially applied with placeholders.
+     * var greetFred = _.partial(greet, _, 'fred');
+     * greetFred('hi');
+     * // => 'hi fred'
+     */
+    var partial = baseRest(function(func, partials) {
+      var holders = replaceHolders(partials, getHolder(partial));
+      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);
+    });
+
+    /**
+     * This method is like `_.partial` except that partially applied arguments
+     * are appended to the arguments it receives.
+     *
+     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic
+     * builds, may be used as a placeholder for partially applied arguments.
+     *
+     * **Note:** This method doesn't set the "length" property of partially
+     * applied functions.
+     *
+     * @static
+     * @memberOf _
+     * @since 1.0.0
+     * @category Function
+     * @param {Function} func The function to partially apply arguments to.
+     * @param {...*} [partials] The arguments to be partially applied.
+     * @returns {Function} Returns the new partially applied function.
+     * @example
+     *
+     * function greet(greeting, name) {
+     *   return greeting + ' ' + name;
+     * }
+     *
+     * var greetFred = _.partialRight(greet, 'fred');
+     * greetFred('hi');
+     * // => 'hi fred'
+     *
+     * // Partially applied with placeholders.
+     * var sayHelloTo = _.partialRight(greet, 'hello', _);
+     * sayHelloTo('fred');
+     * // => 'hello fred'
+     */
+    var partialRight = baseRest(function(func, partials) {
+      var holders = replaceHolders(partials, getHolder(partialRight));
+      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);
+    });
+
+    /**
+     * Creates a function that invokes `func` with arguments arranged according
+     * to the specified `indexes` where the argument value at the first index is
+     * provided as the first argument, the argument value at the second index is
+     * provided as the second argument, and so on.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Function
+     * @param {Function} func The function to rearrange arguments for.
+     * @param {...(number|number[])} indexes The arranged argument indexes.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var rearged = _.rearg(function(a, b, c) {
+     *   return [a, b, c];
+     * }, [2, 0, 1]);
+     *
+     * rearged('b', 'c', 'a')
+     * // => ['a', 'b', 'c']
+     */
+    var rearg = flatRest(function(func, indexes) {
+      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);
+    });
+
+    /**
+     * Creates a function that invokes `func` with the `this` binding of the
+     * created function and arguments from `start` and beyond provided as
+     * an array.
+     *
+     * **Note:** This method is based on the
+     * [rest parameter](https://mdn.io/rest_parameters).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Function
+     * @param {Function} func The function to apply a rest parameter to.
+     * @param {number} [start=func.length-1] The start position of the rest parameter.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var say = _.rest(function(what, names) {
+     *   return what + ' ' + _.initial(names).join(', ') +
+     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);
+     * });
+     *
+     * say('hello', 'fred', 'barney', 'pebbles');
+     * // => 'hello fred, barney, & pebbles'
+     */
+    function rest(func, start) {
+      if (typeof func != 'function') {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      start = start === undefined ? start : toInteger(start);
+      return baseRest(func, start);
+    }
+
+    /**
+     * Creates a function that invokes `func` with the `this` binding of the
+     * create function and an array of arguments much like
+     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).
+     *
+     * **Note:** This method is based on the
+     * [spread operator](https://mdn.io/spread_operator).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.2.0
+     * @category Function
+     * @param {Function} func The function to spread arguments over.
+     * @param {number} [start=0] The start position of the spread.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var say = _.spread(function(who, what) {
+     *   return who + ' says ' + what;
+     * });
+     *
+     * say(['fred', 'hello']);
+     * // => 'fred says hello'
+     *
+     * var numbers = Promise.all([
+     *   Promise.resolve(40),
+     *   Promise.resolve(36)
+     * ]);
+     *
+     * numbers.then(_.spread(function(x, y) {
+     *   return x + y;
+     * }));
+     * // => a Promise of 76
+     */
+    function spread(func, start) {
+      if (typeof func != 'function') {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      start = start == null ? 0 : nativeMax(toInteger(start), 0);
+      return baseRest(function(args) {
+        var array = args[start],
+            otherArgs = castSlice(args, 0, start);
+
+        if (array) {
+          arrayPush(otherArgs, array);
+        }
+        return apply(func, this, otherArgs);
+      });
+    }
+
+    /**
+     * Creates a throttled function that only invokes `func` at most once per
+     * every `wait` milliseconds. The throttled function comes with a `cancel`
+     * method to cancel delayed `func` invocations and a `flush` method to
+     * immediately invoke them. Provide `options` to indicate whether `func`
+     * should be invoked on the leading and/or trailing edge of the `wait`
+     * timeout. The `func` is invoked with the last arguments provided to the
+     * throttled function. Subsequent calls to the throttled function return the
+     * result of the last `func` invocation.
+     *
+     * **Note:** If `leading` and `trailing` options are `true`, `func` is
+     * invoked on the trailing edge of the timeout only if the throttled function
+     * is invoked more than once during the `wait` timeout.
+     *
+     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
+     * until to the next tick, similar to `setTimeout` with a timeout of `0`.
+     *
+     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
+     * for details over the differences between `_.throttle` and `_.debounce`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Function
+     * @param {Function} func The function to throttle.
+     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.
+     * @param {Object} [options={}] The options object.
+     * @param {boolean} [options.leading=true]
+     *  Specify invoking on the leading edge of the timeout.
+     * @param {boolean} [options.trailing=true]
+     *  Specify invoking on the trailing edge of the timeout.
+     * @returns {Function} Returns the new throttled function.
+     * @example
+     *
+     * // Avoid excessively updating the position while scrolling.
+     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));
+     *
+     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.
+     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });
+     * jQuery(element).on('click', throttled);
+     *
+     * // Cancel the trailing throttled invocation.
+     * jQuery(window).on('popstate', throttled.cancel);
+     */
+    function throttle(func, wait, options) {
+      var leading = true,
+          trailing = true;
+
+      if (typeof func != 'function') {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      if (isObject(options)) {
+        leading = 'leading' in options ? !!options.leading : leading;
+        trailing = 'trailing' in options ? !!options.trailing : trailing;
+      }
+      return debounce(func, wait, {
+        'leading': leading,
+        'maxWait': wait,
+        'trailing': trailing
+      });
+    }
+
+    /**
+     * Creates a function that accepts up to one argument, ignoring any
+     * additional arguments.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Function
+     * @param {Function} func The function to cap arguments for.
+     * @returns {Function} Returns the new capped function.
+     * @example
+     *
+     * _.map(['6', '8', '10'], _.unary(parseInt));
+     * // => [6, 8, 10]
+     */
+    function unary(func) {
+      return ary(func, 1);
+    }
+
+    /**
+     * Creates a function that provides `value` to `wrapper` as its first
+     * argument. Any additional arguments provided to the function are appended
+     * to those provided to the `wrapper`. The wrapper is invoked with the `this`
+     * binding of the created function.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Function
+     * @param {*} value The value to wrap.
+     * @param {Function} [wrapper=identity] The wrapper function.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var p = _.wrap(_.escape, function(func, text) {
+     *   return '<p>' + func(text) + '</p>';
+     * });
+     *
+     * p('fred, barney, & pebbles');
+     * // => '<p>fred, barney, &amp; pebbles</p>'
+     */
+    function wrap(value, wrapper) {
+      return partial(castFunction(wrapper), value);
+    }
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Casts `value` as an array if it's not one.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.4.0
+     * @category Lang
+     * @param {*} value The value to inspect.
+     * @returns {Array} Returns the cast array.
+     * @example
+     *
+     * _.castArray(1);
+     * // => [1]
+     *
+     * _.castArray({ 'a': 1 });
+     * // => [{ 'a': 1 }]
+     *
+     * _.castArray('abc');
+     * // => ['abc']
+     *
+     * _.castArray(null);
+     * // => [null]
+     *
+     * _.castArray(undefined);
+     * // => [undefined]
+     *
+     * _.castArray();
+     * // => []
+     *
+     * var array = [1, 2, 3];
+     * console.log(_.castArray(array) === array);
+     * // => true
+     */
+    function castArray() {
+      if (!arguments.length) {
+        return [];
+      }
+      var value = arguments[0];
+      return isArray(value) ? value : [value];
+    }
+
+    /**
+     * Creates a shallow clone of `value`.
+     *
+     * **Note:** This method is loosely based on the
+     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)
+     * and supports cloning arrays, array buffers, booleans, date objects, maps,
+     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed
+     * arrays. The own enumerable properties of `arguments` objects are cloned
+     * as plain objects. An empty object is returned for uncloneable values such
+     * as error objects, functions, DOM nodes, and WeakMaps.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to clone.
+     * @returns {*} Returns the cloned value.
+     * @see _.cloneDeep
+     * @example
+     *
+     * var objects = [{ 'a': 1 }, { 'b': 2 }];
+     *
+     * var shallow = _.clone(objects);
+     * console.log(shallow[0] === objects[0]);
+     * // => true
+     */
+    function clone(value) {
+      return baseClone(value, CLONE_SYMBOLS_FLAG);
+    }
+
+    /**
+     * This method is like `_.clone` except that it accepts `customizer` which
+     * is invoked to produce the cloned value. If `customizer` returns `undefined`,
+     * cloning is handled by the method instead. The `customizer` is invoked with
+     * up to four arguments; (value [, index|key, object, stack]).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to clone.
+     * @param {Function} [customizer] The function to customize cloning.
+     * @returns {*} Returns the cloned value.
+     * @see _.cloneDeepWith
+     * @example
+     *
+     * function customizer(value) {
+     *   if (_.isElement(value)) {
+     *     return value.cloneNode(false);
+     *   }
+     * }
+     *
+     * var el = _.cloneWith(document.body, customizer);
+     *
+     * console.log(el === document.body);
+     * // => false
+     * console.log(el.nodeName);
+     * // => 'BODY'
+     * console.log(el.childNodes.length);
+     * // => 0
+     */
+    function cloneWith(value, customizer) {
+      customizer = typeof customizer == 'function' ? customizer : undefined;
+      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);
+    }
+
+    /**
+     * This method is like `_.clone` except that it recursively clones `value`.
+     *
+     * @static
+     * @memberOf _
+     * @since 1.0.0
+     * @category Lang
+     * @param {*} value The value to recursively clone.
+     * @returns {*} Returns the deep cloned value.
+     * @see _.clone
+     * @example
+     *
+     * var objects = [{ 'a': 1 }, { 'b': 2 }];
+     *
+     * var deep = _.cloneDeep(objects);
+     * console.log(deep[0] === objects[0]);
+     * // => false
+     */
+    function cloneDeep(value) {
+      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);
+    }
+
+    /**
+     * This method is like `_.cloneWith` except that it recursively clones `value`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to recursively clone.
+     * @param {Function} [customizer] The function to customize cloning.
+     * @returns {*} Returns the deep cloned value.
+     * @see _.cloneWith
+     * @example
+     *
+     * function customizer(value) {
+     *   if (_.isElement(value)) {
+     *     return value.cloneNode(true);
+     *   }
+     * }
+     *
+     * var el = _.cloneDeepWith(document.body, customizer);
+     *
+     * console.log(el === document.body);
+     * // => false
+     * console.log(el.nodeName);
+     * // => 'BODY'
+     * console.log(el.childNodes.length);
+     * // => 20
+     */
+    function cloneDeepWith(value, customizer) {
+      customizer = typeof customizer == 'function' ? customizer : undefined;
+      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);
+    }
+
+    /**
+     * Checks if `object` conforms to `source` by invoking the predicate
+     * properties of `source` with the corresponding property values of `object`.
+     *
+     * **Note:** This method is equivalent to `_.conforms` when `source` is
+     * partially applied.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.14.0
+     * @category Lang
+     * @param {Object} object The object to inspect.
+     * @param {Object} source The object of property predicates to conform to.
+     * @returns {boolean} Returns `true` if `object` conforms, else `false`.
+     * @example
+     *
+     * var object = { 'a': 1, 'b': 2 };
+     *
+     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });
+     * // => true
+     *
+     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });
+     * // => false
+     */
+    function conformsTo(object, source) {
+      return source == null || baseConformsTo(object, source, keys(source));
+    }
+
+    /**
+     * Performs a
+     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+     * comparison between two values to determine if they are equivalent.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+     * @example
+     *
+     * var object = { 'a': 1 };
+     * var other = { 'a': 1 };
+     *
+     * _.eq(object, object);
+     * // => true
+     *
+     * _.eq(object, other);
+     * // => false
+     *
+     * _.eq('a', 'a');
+     * // => true
+     *
+     * _.eq('a', Object('a'));
+     * // => false
+     *
+     * _.eq(NaN, NaN);
+     * // => true
+     */
+    function eq(value, other) {
+      return value === other || (value !== value && other !== other);
+    }
+
+    /**
+     * Checks if `value` is greater than `other`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.9.0
+     * @category Lang
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {boolean} Returns `true` if `value` is greater than `other`,
+     *  else `false`.
+     * @see _.lt
+     * @example
+     *
+     * _.gt(3, 1);
+     * // => true
+     *
+     * _.gt(3, 3);
+     * // => false
+     *
+     * _.gt(1, 3);
+     * // => false
+     */
+    var gt = createRelationalOperation(baseGt);
+
+    /**
+     * Checks if `value` is greater than or equal to `other`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.9.0
+     * @category Lang
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {boolean} Returns `true` if `value` is greater than or equal to
+     *  `other`, else `false`.
+     * @see _.lte
+     * @example
+     *
+     * _.gte(3, 1);
+     * // => true
+     *
+     * _.gte(3, 3);
+     * // => true
+     *
+     * _.gte(1, 3);
+     * // => false
+     */
+    var gte = createRelationalOperation(function(value, other) {
+      return value >= other;
+    });
+
+    /**
+     * Checks if `value` is likely an `arguments` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is an `arguments` object,
+     *  else `false`.
+     * @example
+     *
+     * _.isArguments(function() { return arguments; }());
+     * // => true
+     *
+     * _.isArguments([1, 2, 3]);
+     * // => false
+     */
+    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {
+      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&
+        !propertyIsEnumerable.call(value, 'callee');
+    };
+
+    /**
+     * Checks if `value` is classified as an `Array` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is an array, else `false`.
+     * @example
+     *
+     * _.isArray([1, 2, 3]);
+     * // => true
+     *
+     * _.isArray(document.body.children);
+     * // => false
+     *
+     * _.isArray('abc');
+     * // => false
+     *
+     * _.isArray(_.noop);
+     * // => false
+     */
+    var isArray = Array.isArray;
+
+    /**
+     * Checks if `value` is classified as an `ArrayBuffer` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.3.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.
+     * @example
+     *
+     * _.isArrayBuffer(new ArrayBuffer(2));
+     * // => true
+     *
+     * _.isArrayBuffer(new Array(2));
+     * // => false
+     */
+    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;
+
+    /**
+     * Checks if `value` is array-like. A value is considered array-like if it's
+     * not a function and has a `value.length` that's an integer greater than or
+     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
+     * @example
+     *
+     * _.isArrayLike([1, 2, 3]);
+     * // => true
+     *
+     * _.isArrayLike(document.body.children);
+     * // => true
+     *
+     * _.isArrayLike('abc');
+     * // => true
+     *
+     * _.isArrayLike(_.noop);
+     * // => false
+     */
+    function isArrayLike(value) {
+      return value != null && isLength(value.length) && !isFunction(value);
+    }
+
+    /**
+     * This method is like `_.isArrayLike` except that it also checks if `value`
+     * is an object.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is an array-like object,
+     *  else `false`.
+     * @example
+     *
+     * _.isArrayLikeObject([1, 2, 3]);
+     * // => true
+     *
+     * _.isArrayLikeObject(document.body.children);
+     * // => true
+     *
+     * _.isArrayLikeObject('abc');
+     * // => false
+     *
+     * _.isArrayLikeObject(_.noop);
+     * // => false
+     */
+    function isArrayLikeObject(value) {
+      return isObjectLike(value) && isArrayLike(value);
+    }
+
+    /**
+     * Checks if `value` is classified as a boolean primitive or object.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.
+     * @example
+     *
+     * _.isBoolean(false);
+     * // => true
+     *
+     * _.isBoolean(null);
+     * // => false
+     */
+    function isBoolean(value) {
+      return value === true || value === false ||
+        (isObjectLike(value) && baseGetTag(value) == boolTag);
+    }
+
+    /**
+     * Checks if `value` is a buffer.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.3.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.
+     * @example
+     *
+     * _.isBuffer(new Buffer(2));
+     * // => true
+     *
+     * _.isBuffer(new Uint8Array(2));
+     * // => false
+     */
+    var isBuffer = nativeIsBuffer || stubFalse;
+
+    /**
+     * Checks if `value` is classified as a `Date` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.
+     * @example
+     *
+     * _.isDate(new Date);
+     * // => true
+     *
+     * _.isDate('Mon April 23 2012');
+     * // => false
+     */
+    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;
+
+    /**
+     * Checks if `value` is likely a DOM element.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.
+     * @example
+     *
+     * _.isElement(document.body);
+     * // => true
+     *
+     * _.isElement('<body>');
+     * // => false
+     */
+    function isElement(value) {
+      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);
+    }
+
+    /**
+     * Checks if `value` is an empty object, collection, map, or set.
+     *
+     * Objects are considered empty if they have no own enumerable string keyed
+     * properties.
+     *
+     * Array-like values such as `arguments` objects, arrays, buffers, strings, or
+     * jQuery-like collections are considered empty if they have a `length` of `0`.
+     * Similarly, maps and sets are considered empty if they have a `size` of `0`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is empty, else `false`.
+     * @example
+     *
+     * _.isEmpty(null);
+     * // => true
+     *
+     * _.isEmpty(true);
+     * // => true
+     *
+     * _.isEmpty(1);
+     * // => true
+     *
+     * _.isEmpty([1, 2, 3]);
+     * // => false
+     *
+     * _.isEmpty({ 'a': 1 });
+     * // => false
+     */
+    function isEmpty(value) {
+      if (value == null) {
+        return true;
+      }
+      if (isArrayLike(value) &&
+          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||
+            isBuffer(value) || isTypedArray(value) || isArguments(value))) {
+        return !value.length;
+      }
+      var tag = getTag(value);
+      if (tag == mapTag || tag == setTag) {
+        return !value.size;
+      }
+      if (isPrototype(value)) {
+        return !baseKeys(value).length;
+      }
+      for (var key in value) {
+        if (hasOwnProperty.call(value, key)) {
+          return false;
+        }
+      }
+      return true;
+    }
+
+    /**
+     * Performs a deep comparison between two values to determine if they are
+     * equivalent.
+     *
+     * **Note:** This method supports comparing arrays, array buffers, booleans,
+     * date objects, error objects, maps, numbers, `Object` objects, regexes,
+     * sets, strings, symbols, and typed arrays. `Object` objects are compared
+     * by their own, not inherited, enumerable properties. Functions and DOM
+     * nodes are compared by strict equality, i.e. `===`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+     * @example
+     *
+     * var object = { 'a': 1 };
+     * var other = { 'a': 1 };
+     *
+     * _.isEqual(object, other);
+     * // => true
+     *
+     * object === other;
+     * // => false
+     */
+    function isEqual(value, other) {
+      return baseIsEqual(value, other);
+    }
+
+    /**
+     * This method is like `_.isEqual` except that it accepts `customizer` which
+     * is invoked to compare values. If `customizer` returns `undefined`, comparisons
+     * are handled by the method instead. The `customizer` is invoked with up to
+     * six arguments: (objValue, othValue [, index|key, object, other, stack]).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @param {Function} [customizer] The function to customize comparisons.
+     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+     * @example
+     *
+     * function isGreeting(value) {
+     *   return /^h(?:i|ello)$/.test(value);
+     * }
+     *
+     * function customizer(objValue, othValue) {
+     *   if (isGreeting(objValue) && isGreeting(othValue)) {
+     *     return true;
+     *   }
+     * }
+     *
+     * var array = ['hello', 'goodbye'];
+     * var other = ['hi', 'goodbye'];
+     *
+     * _.isEqualWith(array, other, customizer);
+     * // => true
+     */
+    function isEqualWith(value, other, customizer) {
+      customizer = typeof customizer == 'function' ? customizer : undefined;
+      var result = customizer ? customizer(value, other) : undefined;
+      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;
+    }
+
+    /**
+     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,
+     * `SyntaxError`, `TypeError`, or `URIError` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.
+     * @example
+     *
+     * _.isError(new Error);
+     * // => true
+     *
+     * _.isError(Error);
+     * // => false
+     */
+    function isError(value) {
+      if (!isObjectLike(value)) {
+        return false;
+      }
+      var tag = baseGetTag(value);
+      return tag == errorTag || tag == domExcTag ||
+        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));
+    }
+
+    /**
+     * Checks if `value` is a finite primitive number.
+     *
+     * **Note:** This method is based on
+     * [`Number.isFinite`](https://mdn.io/Number/isFinite).
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.
+     * @example
+     *
+     * _.isFinite(3);
+     * // => true
+     *
+     * _.isFinite(Number.MIN_VALUE);
+     * // => true
+     *
+     * _.isFinite(Infinity);
+     * // => false
+     *
+     * _.isFinite('3');
+     * // => false
+     */
+    function isFinite(value) {
+      return typeof value == 'number' && nativeIsFinite(value);
+    }
+
+    /**
+     * Checks if `value` is classified as a `Function` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a function, else `false`.
+     * @example
+     *
+     * _.isFunction(_);
+     * // => true
+     *
+     * _.isFunction(/abc/);
+     * // => false
+     */
+    function isFunction(value) {
+      if (!isObject(value)) {
+        return false;
+      }
+      // The use of `Object#toString` avoids issues with the `typeof` operator
+      // in Safari 9 which returns 'object' for typed arrays and other constructors.
+      var tag = baseGetTag(value);
+      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;
+    }
+
+    /**
+     * Checks if `value` is an integer.
+     *
+     * **Note:** This method is based on
+     * [`Number.isInteger`](https://mdn.io/Number/isInteger).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.
+     * @example
+     *
+     * _.isInteger(3);
+     * // => true
+     *
+     * _.isInteger(Number.MIN_VALUE);
+     * // => false
+     *
+     * _.isInteger(Infinity);
+     * // => false
+     *
+     * _.isInteger('3');
+     * // => false
+     */
+    function isInteger(value) {
+      return typeof value == 'number' && value == toInteger(value);
+    }
+
+    /**
+     * Checks if `value` is a valid array-like length.
+     *
+     * **Note:** This method is loosely based on
+     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
+     * @example
+     *
+     * _.isLength(3);
+     * // => true
+     *
+     * _.isLength(Number.MIN_VALUE);
+     * // => false
+     *
+     * _.isLength(Infinity);
+     * // => false
+     *
+     * _.isLength('3');
+     * // => false
+     */
+    function isLength(value) {
+      return typeof value == 'number' &&
+        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
+    }
+
+    /**
+     * Checks if `value` is the
+     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
+     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is an object, else `false`.
+     * @example
+     *
+     * _.isObject({});
+     * // => true
+     *
+     * _.isObject([1, 2, 3]);
+     * // => true
+     *
+     * _.isObject(_.noop);
+     * // => true
+     *
+     * _.isObject(null);
+     * // => false
+     */
+    function isObject(value) {
+      var type = typeof value;
+      return value != null && (type == 'object' || type == 'function');
+    }
+
+    /**
+     * Checks if `value` is object-like. A value is object-like if it's not `null`
+     * and has a `typeof` result of "object".
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
+     * @example
+     *
+     * _.isObjectLike({});
+     * // => true
+     *
+     * _.isObjectLike([1, 2, 3]);
+     * // => true
+     *
+     * _.isObjectLike(_.noop);
+     * // => false
+     *
+     * _.isObjectLike(null);
+     * // => false
+     */
+    function isObjectLike(value) {
+      return value != null && typeof value == 'object';
+    }
+
+    /**
+     * Checks if `value` is classified as a `Map` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.3.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a map, else `false`.
+     * @example
+     *
+     * _.isMap(new Map);
+     * // => true
+     *
+     * _.isMap(new WeakMap);
+     * // => false
+     */
+    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;
+
+    /**
+     * Performs a partial deep comparison between `object` and `source` to
+     * determine if `object` contains equivalent property values.
+     *
+     * **Note:** This method is equivalent to `_.matches` when `source` is
+     * partially applied.
+     *
+     * Partial comparisons will match empty array and empty object `source`
+     * values against any array or object value, respectively. See `_.isEqual`
+     * for a list of supported value comparisons.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Lang
+     * @param {Object} object The object to inspect.
+     * @param {Object} source The object of property values to match.
+     * @returns {boolean} Returns `true` if `object` is a match, else `false`.
+     * @example
+     *
+     * var object = { 'a': 1, 'b': 2 };
+     *
+     * _.isMatch(object, { 'b': 2 });
+     * // => true
+     *
+     * _.isMatch(object, { 'b': 1 });
+     * // => false
+     */
+    function isMatch(object, source) {
+      return object === source || baseIsMatch(object, source, getMatchData(source));
+    }
+
+    /**
+     * This method is like `_.isMatch` except that it accepts `customizer` which
+     * is invoked to compare values. If `customizer` returns `undefined`, comparisons
+     * are handled by the method instead. The `customizer` is invoked with five
+     * arguments: (objValue, srcValue, index|key, object, source).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {Object} object The object to inspect.
+     * @param {Object} source The object of property values to match.
+     * @param {Function} [customizer] The function to customize comparisons.
+     * @returns {boolean} Returns `true` if `object` is a match, else `false`.
+     * @example
+     *
+     * function isGreeting(value) {
+     *   return /^h(?:i|ello)$/.test(value);
+     * }
+     *
+     * function customizer(objValue, srcValue) {
+     *   if (isGreeting(objValue) && isGreeting(srcValue)) {
+     *     return true;
+     *   }
+     * }
+     *
+     * var object = { 'greeting': 'hello' };
+     * var source = { 'greeting': 'hi' };
+     *
+     * _.isMatchWith(object, source, customizer);
+     * // => true
+     */
+    function isMatchWith(object, source, customizer) {
+      customizer = typeof customizer == 'function' ? customizer : undefined;
+      return baseIsMatch(object, source, getMatchData(source), customizer);
+    }
+
+    /**
+     * Checks if `value` is `NaN`.
+     *
+     * **Note:** This method is based on
+     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as
+     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for
+     * `undefined` and other non-number values.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
+     * @example
+     *
+     * _.isNaN(NaN);
+     * // => true
+     *
+     * _.isNaN(new Number(NaN));
+     * // => true
+     *
+     * isNaN(undefined);
+     * // => true
+     *
+     * _.isNaN(undefined);
+     * // => false
+     */
+    function isNaN(value) {
+      // An `NaN` primitive is the only value that is not equal to itself.
+      // Perform the `toStringTag` check first to avoid errors with some
+      // ActiveX objects in IE.
+      return isNumber(value) && value != +value;
+    }
+
+    /**
+     * Checks if `value` is a pristine native function.
+     *
+     * **Note:** This method can't reliably detect native functions in the presence
+     * of the core-js package because core-js circumvents this kind of detection.
+     * Despite multiple requests, the core-js maintainer has made it clear: any
+     * attempt to fix the detection will be obstructed. As a result, we're left
+     * with little choice but to throw an error. Unfortunately, this also affects
+     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),
+     * which rely on core-js.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a native function,
+     *  else `false`.
+     * @example
+     *
+     * _.isNative(Array.prototype.push);
+     * // => true
+     *
+     * _.isNative(_);
+     * // => false
+     */
+    function isNative(value) {
+      if (isMaskable(value)) {
+        throw new Error(CORE_ERROR_TEXT);
+      }
+      return baseIsNative(value);
+    }
+
+    /**
+     * Checks if `value` is `null`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.
+     * @example
+     *
+     * _.isNull(null);
+     * // => true
+     *
+     * _.isNull(void 0);
+     * // => false
+     */
+    function isNull(value) {
+      return value === null;
+    }
+
+    /**
+     * Checks if `value` is `null` or `undefined`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.
+     * @example
+     *
+     * _.isNil(null);
+     * // => true
+     *
+     * _.isNil(void 0);
+     * // => true
+     *
+     * _.isNil(NaN);
+     * // => false
+     */
+    function isNil(value) {
+      return value == null;
+    }
+
+    /**
+     * Checks if `value` is classified as a `Number` primitive or object.
+     *
+     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are
+     * classified as numbers, use the `_.isFinite` method.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a number, else `false`.
+     * @example
+     *
+     * _.isNumber(3);
+     * // => true
+     *
+     * _.isNumber(Number.MIN_VALUE);
+     * // => true
+     *
+     * _.isNumber(Infinity);
+     * // => true
+     *
+     * _.isNumber('3');
+     * // => false
+     */
+    function isNumber(value) {
+      return typeof value == 'number' ||
+        (isObjectLike(value) && baseGetTag(value) == numberTag);
+    }
+
+    /**
+     * Checks if `value` is a plain object, that is, an object created by the
+     * `Object` constructor or one with a `[[Prototype]]` of `null`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.8.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     * }
+     *
+     * _.isPlainObject(new Foo);
+     * // => false
+     *
+     * _.isPlainObject([1, 2, 3]);
+     * // => false
+     *
+     * _.isPlainObject({ 'x': 0, 'y': 0 });
+     * // => true
+     *
+     * _.isPlainObject(Object.create(null));
+     * // => true
+     */
+    function isPlainObject(value) {
+      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {
+        return false;
+      }
+      var proto = getPrototype(value);
+      if (proto === null) {
+        return true;
+      }
+      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;
+      return typeof Ctor == 'function' && Ctor instanceof Ctor &&
+        funcToString.call(Ctor) == objectCtorString;
+    }
+
+    /**
+     * Checks if `value` is classified as a `RegExp` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
+     * @example
+     *
+     * _.isRegExp(/abc/);
+     * // => true
+     *
+     * _.isRegExp('/abc/');
+     * // => false
+     */
+    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;
+
+    /**
+     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754
+     * double precision number which isn't the result of a rounded unsafe integer.
+     *
+     * **Note:** This method is based on
+     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.
+     * @example
+     *
+     * _.isSafeInteger(3);
+     * // => true
+     *
+     * _.isSafeInteger(Number.MIN_VALUE);
+     * // => false
+     *
+     * _.isSafeInteger(Infinity);
+     * // => false
+     *
+     * _.isSafeInteger('3');
+     * // => false
+     */
+    function isSafeInteger(value) {
+      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;
+    }
+
+    /**
+     * Checks if `value` is classified as a `Set` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.3.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a set, else `false`.
+     * @example
+     *
+     * _.isSet(new Set);
+     * // => true
+     *
+     * _.isSet(new WeakSet);
+     * // => false
+     */
+    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;
+
+    /**
+     * Checks if `value` is classified as a `String` primitive or object.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a string, else `false`.
+     * @example
+     *
+     * _.isString('abc');
+     * // => true
+     *
+     * _.isString(1);
+     * // => false
+     */
+    function isString(value) {
+      return typeof value == 'string' ||
+        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);
+    }
+
+    /**
+     * Checks if `value` is classified as a `Symbol` primitive or object.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
+     * @example
+     *
+     * _.isSymbol(Symbol.iterator);
+     * // => true
+     *
+     * _.isSymbol('abc');
+     * // => false
+     */
+    function isSymbol(value) {
+      return typeof value == 'symbol' ||
+        (isObjectLike(value) && baseGetTag(value) == symbolTag);
+    }
+
+    /**
+     * Checks if `value` is classified as a typed array.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
+     * @example
+     *
+     * _.isTypedArray(new Uint8Array);
+     * // => true
+     *
+     * _.isTypedArray([]);
+     * // => false
+     */
+    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;
+
+    /**
+     * Checks if `value` is `undefined`.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.
+     * @example
+     *
+     * _.isUndefined(void 0);
+     * // => true
+     *
+     * _.isUndefined(null);
+     * // => false
+     */
+    function isUndefined(value) {
+      return value === undefined;
+    }
+
+    /**
+     * Checks if `value` is classified as a `WeakMap` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.3.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.
+     * @example
+     *
+     * _.isWeakMap(new WeakMap);
+     * // => true
+     *
+     * _.isWeakMap(new Map);
+     * // => false
+     */
+    function isWeakMap(value) {
+      return isObjectLike(value) && getTag(value) == weakMapTag;
+    }
+
+    /**
+     * Checks if `value` is classified as a `WeakSet` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.3.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.
+     * @example
+     *
+     * _.isWeakSet(new WeakSet);
+     * // => true
+     *
+     * _.isWeakSet(new Set);
+     * // => false
+     */
+    function isWeakSet(value) {
+      return isObjectLike(value) && baseGetTag(value) == weakSetTag;
+    }
+
+    /**
+     * Checks if `value` is less than `other`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.9.0
+     * @category Lang
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {boolean} Returns `true` if `value` is less than `other`,
+     *  else `false`.
+     * @see _.gt
+     * @example
+     *
+     * _.lt(1, 3);
+     * // => true
+     *
+     * _.lt(3, 3);
+     * // => false
+     *
+     * _.lt(3, 1);
+     * // => false
+     */
+    var lt = createRelationalOperation(baseLt);
+
+    /**
+     * Checks if `value` is less than or equal to `other`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.9.0
+     * @category Lang
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {boolean} Returns `true` if `value` is less than or equal to
+     *  `other`, else `false`.
+     * @see _.gte
+     * @example
+     *
+     * _.lte(1, 3);
+     * // => true
+     *
+     * _.lte(3, 3);
+     * // => true
+     *
+     * _.lte(3, 1);
+     * // => false
+     */
+    var lte = createRelationalOperation(function(value, other) {
+      return value <= other;
+    });
+
+    /**
+     * Converts `value` to an array.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to convert.
+     * @returns {Array} Returns the converted array.
+     * @example
+     *
+     * _.toArray({ 'a': 1, 'b': 2 });
+     * // => [1, 2]
+     *
+     * _.toArray('abc');
+     * // => ['a', 'b', 'c']
+     *
+     * _.toArray(1);
+     * // => []
+     *
+     * _.toArray(null);
+     * // => []
+     */
+    function toArray(value) {
+      if (!value) {
+        return [];
+      }
+      if (isArrayLike(value)) {
+        return isString(value) ? stringToArray(value) : copyArray(value);
+      }
+      if (symIterator && value[symIterator]) {
+        return iteratorToArray(value[symIterator]());
+      }
+      var tag = getTag(value),
+          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);
+
+      return func(value);
+    }
+
+    /**
+     * Converts `value` to a finite number.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.12.0
+     * @category Lang
+     * @param {*} value The value to convert.
+     * @returns {number} Returns the converted number.
+     * @example
+     *
+     * _.toFinite(3.2);
+     * // => 3.2
+     *
+     * _.toFinite(Number.MIN_VALUE);
+     * // => 5e-324
+     *
+     * _.toFinite(Infinity);
+     * // => 1.7976931348623157e+308
+     *
+     * _.toFinite('3.2');
+     * // => 3.2
+     */
+    function toFinite(value) {
+      if (!value) {
+        return value === 0 ? value : 0;
+      }
+      value = toNumber(value);
+      if (value === INFINITY || value === -INFINITY) {
+        var sign = (value < 0 ? -1 : 1);
+        return sign * MAX_INTEGER;
+      }
+      return value === value ? value : 0;
+    }
+
+    /**
+     * Converts `value` to an integer.
+     *
+     * **Note:** This method is loosely based on
+     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to convert.
+     * @returns {number} Returns the converted integer.
+     * @example
+     *
+     * _.toInteger(3.2);
+     * // => 3
+     *
+     * _.toInteger(Number.MIN_VALUE);
+     * // => 0
+     *
+     * _.toInteger(Infinity);
+     * // => 1.7976931348623157e+308
+     *
+     * _.toInteger('3.2');
+     * // => 3
+     */
+    function toInteger(value) {
+      var result = toFinite(value),
+          remainder = result % 1;
+
+      return result === result ? (remainder ? result - remainder : result) : 0;
+    }
+
+    /**
+     * Converts `value` to an integer suitable for use as the length of an
+     * array-like object.
+     *
+     * **Note:** This method is based on
+     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to convert.
+     * @returns {number} Returns the converted integer.
+     * @example
+     *
+     * _.toLength(3.2);
+     * // => 3
+     *
+     * _.toLength(Number.MIN_VALUE);
+     * // => 0
+     *
+     * _.toLength(Infinity);
+     * // => 4294967295
+     *
+     * _.toLength('3.2');
+     * // => 3
+     */
+    function toLength(value) {
+      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;
+    }
+
+    /**
+     * Converts `value` to a number.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to process.
+     * @returns {number} Returns the number.
+     * @example
+     *
+     * _.toNumber(3.2);
+     * // => 3.2
+     *
+     * _.toNumber(Number.MIN_VALUE);
+     * // => 5e-324
+     *
+     * _.toNumber(Infinity);
+     * // => Infinity
+     *
+     * _.toNumber('3.2');
+     * // => 3.2
+     */
+    function toNumber(value) {
+      if (typeof value == 'number') {
+        return value;
+      }
+      if (isSymbol(value)) {
+        return NAN;
+      }
+      if (isObject(value)) {
+        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;
+        value = isObject(other) ? (other + '') : other;
+      }
+      if (typeof value != 'string') {
+        return value === 0 ? value : +value;
+      }
+      value = value.replace(reTrim, '');
+      var isBinary = reIsBinary.test(value);
+      return (isBinary || reIsOctal.test(value))
+        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)
+        : (reIsBadHex.test(value) ? NAN : +value);
+    }
+
+    /**
+     * Converts `value` to a plain object flattening inherited enumerable string
+     * keyed properties of `value` to own properties of the plain object.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Lang
+     * @param {*} value The value to convert.
+     * @returns {Object} Returns the converted plain object.
+     * @example
+     *
+     * function Foo() {
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.assign({ 'a': 1 }, new Foo);
+     * // => { 'a': 1, 'b': 2 }
+     *
+     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));
+     * // => { 'a': 1, 'b': 2, 'c': 3 }
+     */
+    function toPlainObject(value) {
+      return copyObject(value, keysIn(value));
+    }
+
+    /**
+     * Converts `value` to a safe integer. A safe integer can be compared and
+     * represented correctly.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to convert.
+     * @returns {number} Returns the converted integer.
+     * @example
+     *
+     * _.toSafeInteger(3.2);
+     * // => 3
+     *
+     * _.toSafeInteger(Number.MIN_VALUE);
+     * // => 0
+     *
+     * _.toSafeInteger(Infinity);
+     * // => 9007199254740991
+     *
+     * _.toSafeInteger('3.2');
+     * // => 3
+     */
+    function toSafeInteger(value) {
+      return value
+        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)
+        : (value === 0 ? value : 0);
+    }
+
+    /**
+     * Converts `value` to a string. An empty string is returned for `null`
+     * and `undefined` values. The sign of `-0` is preserved.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to convert.
+     * @returns {string} Returns the converted string.
+     * @example
+     *
+     * _.toString(null);
+     * // => ''
+     *
+     * _.toString(-0);
+     * // => '-0'
+     *
+     * _.toString([1, 2, 3]);
+     * // => '1,2,3'
+     */
+    function toString(value) {
+      return value == null ? '' : baseToString(value);
+    }
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Assigns own enumerable string keyed properties of source objects to the
+     * destination object. Source objects are applied from left to right.
+     * Subsequent sources overwrite property assignments of previous sources.
+     *
+     * **Note:** This method mutates `object` and is loosely based on
+     * [`Object.assign`](https://mdn.io/Object/assign).
+     *
+     * @static
+     * @memberOf _
+     * @since 0.10.0
+     * @category Object
+     * @param {Object} object The destination object.
+     * @param {...Object} [sources] The source objects.
+     * @returns {Object} Returns `object`.
+     * @see _.assignIn
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     * }
+     *
+     * function Bar() {
+     *   this.c = 3;
+     * }
+     *
+     * Foo.prototype.b = 2;
+     * Bar.prototype.d = 4;
+     *
+     * _.assign({ 'a': 0 }, new Foo, new Bar);
+     * // => { 'a': 1, 'c': 3 }
+     */
+    var assign = createAssigner(function(object, source) {
+      if (isPrototype(source) || isArrayLike(source)) {
+        copyObject(source, keys(source), object);
+        return;
+      }
+      for (var key in source) {
+        if (hasOwnProperty.call(source, key)) {
+          assignValue(object, key, source[key]);
+        }
+      }
+    });
+
+    /**
+     * This method is like `_.assign` except that it iterates over own and
+     * inherited source properties.
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @alias extend
+     * @category Object
+     * @param {Object} object The destination object.
+     * @param {...Object} [sources] The source objects.
+     * @returns {Object} Returns `object`.
+     * @see _.assign
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     * }
+     *
+     * function Bar() {
+     *   this.c = 3;
+     * }
+     *
+     * Foo.prototype.b = 2;
+     * Bar.prototype.d = 4;
+     *
+     * _.assignIn({ 'a': 0 }, new Foo, new Bar);
+     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }
+     */
+    var assignIn = createAssigner(function(object, source) {
+      copyObject(source, keysIn(source), object);
+    });
+
+    /**
+     * This method is like `_.assignIn` except that it accepts `customizer`
+     * which is invoked to produce the assigned values. If `customizer` returns
+     * `undefined`, assignment is handled by the method instead. The `customizer`
+     * is invoked with five arguments: (objValue, srcValue, key, object, source).
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @alias extendWith
+     * @category Object
+     * @param {Object} object The destination object.
+     * @param {...Object} sources The source objects.
+     * @param {Function} [customizer] The function to customize assigned values.
+     * @returns {Object} Returns `object`.
+     * @see _.assignWith
+     * @example
+     *
+     * function customizer(objValue, srcValue) {
+     *   return _.isUndefined(objValue) ? srcValue : objValue;
+     * }
+     *
+     * var defaults = _.partialRight(_.assignInWith, customizer);
+     *
+     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
+     * // => { 'a': 1, 'b': 2 }
+     */
+    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {
+      copyObject(source, keysIn(source), object, customizer);
+    });
+
+    /**
+     * This method is like `_.assign` except that it accepts `customizer`
+     * which is invoked to produce the assigned values. If `customizer` returns
+     * `undefined`, assignment is handled by the method instead. The `customizer`
+     * is invoked with five arguments: (objValue, srcValue, key, object, source).
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Object
+     * @param {Object} object The destination object.
+     * @param {...Object} sources The source objects.
+     * @param {Function} [customizer] The function to customize assigned values.
+     * @returns {Object} Returns `object`.
+     * @see _.assignInWith
+     * @example
+     *
+     * function customizer(objValue, srcValue) {
+     *   return _.isUndefined(objValue) ? srcValue : objValue;
+     * }
+     *
+     * var defaults = _.partialRight(_.assignWith, customizer);
+     *
+     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
+     * // => { 'a': 1, 'b': 2 }
+     */
+    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {
+      copyObject(source, keys(source), object, customizer);
+    });
+
+    /**
+     * Creates an array of values corresponding to `paths` of `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 1.0.0
+     * @category Object
+     * @param {Object} object The object to iterate over.
+     * @param {...(string|string[])} [paths] The property paths to pick.
+     * @returns {Array} Returns the picked values.
+     * @example
+     *
+     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
+     *
+     * _.at(object, ['a[0].b.c', 'a[1]']);
+     * // => [3, 4]
+     */
+    var at = flatRest(baseAt);
+
+    /**
+     * Creates an object that inherits from the `prototype` object. If a
+     * `properties` object is given, its own enumerable string keyed properties
+     * are assigned to the created object.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.3.0
+     * @category Object
+     * @param {Object} prototype The object to inherit from.
+     * @param {Object} [properties] The properties to assign to the object.
+     * @returns {Object} Returns the new object.
+     * @example
+     *
+     * function Shape() {
+     *   this.x = 0;
+     *   this.y = 0;
+     * }
+     *
+     * function Circle() {
+     *   Shape.call(this);
+     * }
+     *
+     * Circle.prototype = _.create(Shape.prototype, {
+     *   'constructor': Circle
+     * });
+     *
+     * var circle = new Circle;
+     * circle instanceof Circle;
+     * // => true
+     *
+     * circle instanceof Shape;
+     * // => true
+     */
+    function create(prototype, properties) {
+      var result = baseCreate(prototype);
+      return properties == null ? result : baseAssign(result, properties);
+    }
+
+    /**
+     * Assigns own and inherited enumerable string keyed properties of source
+     * objects to the destination object for all destination properties that
+     * resolve to `undefined`. Source objects are applied from left to right.
+     * Once a property is set, additional values of the same property are ignored.
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The destination object.
+     * @param {...Object} [sources] The source objects.
+     * @returns {Object} Returns `object`.
+     * @see _.defaultsDeep
+     * @example
+     *
+     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
+     * // => { 'a': 1, 'b': 2 }
+     */
+    var defaults = baseRest(function(args) {
+      args.push(undefined, customDefaultsAssignIn);
+      return apply(assignInWith, undefined, args);
+    });
+
+    /**
+     * This method is like `_.defaults` except that it recursively assigns
+     * default properties.
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.10.0
+     * @category Object
+     * @param {Object} object The destination object.
+     * @param {...Object} [sources] The source objects.
+     * @returns {Object} Returns `object`.
+     * @see _.defaults
+     * @example
+     *
+     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });
+     * // => { 'a': { 'b': 2, 'c': 3 } }
+     */
+    var defaultsDeep = baseRest(function(args) {
+      args.push(undefined, customDefaultsMerge);
+      return apply(mergeWith, undefined, args);
+    });
+
+    /**
+     * This method is like `_.find` except that it returns the key of the first
+     * element `predicate` returns truthy for instead of the element itself.
+     *
+     * @static
+     * @memberOf _
+     * @since 1.1.0
+     * @category Object
+     * @param {Object} object The object to inspect.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @returns {string|undefined} Returns the key of the matched element,
+     *  else `undefined`.
+     * @example
+     *
+     * var users = {
+     *   'barney':  { 'age': 36, 'active': true },
+     *   'fred':    { 'age': 40, 'active': false },
+     *   'pebbles': { 'age': 1,  'active': true }
+     * };
+     *
+     * _.findKey(users, function(o) { return o.age < 40; });
+     * // => 'barney' (iteration order is not guaranteed)
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.findKey(users, { 'age': 1, 'active': true });
+     * // => 'pebbles'
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.findKey(users, ['active', false]);
+     * // => 'fred'
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.findKey(users, 'active');
+     * // => 'barney'
+     */
+    function findKey(object, predicate) {
+      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);
+    }
+
+    /**
+     * This method is like `_.findKey` except that it iterates over elements of
+     * a collection in the opposite order.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.0.0
+     * @category Object
+     * @param {Object} object The object to inspect.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @returns {string|undefined} Returns the key of the matched element,
+     *  else `undefined`.
+     * @example
+     *
+     * var users = {
+     *   'barney':  { 'age': 36, 'active': true },
+     *   'fred':    { 'age': 40, 'active': false },
+     *   'pebbles': { 'age': 1,  'active': true }
+     * };
+     *
+     * _.findLastKey(users, function(o) { return o.age < 40; });
+     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.findLastKey(users, { 'age': 36, 'active': true });
+     * // => 'barney'
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.findLastKey(users, ['active', false]);
+     * // => 'fred'
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.findLastKey(users, 'active');
+     * // => 'pebbles'
+     */
+    function findLastKey(object, predicate) {
+      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);
+    }
+
+    /**
+     * Iterates over own and inherited enumerable string keyed properties of an
+     * object and invokes `iteratee` for each property. The iteratee is invoked
+     * with three arguments: (value, key, object). Iteratee functions may exit
+     * iteration early by explicitly returning `false`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.3.0
+     * @category Object
+     * @param {Object} object The object to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Object} Returns `object`.
+     * @see _.forInRight
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.forIn(new Foo, function(value, key) {
+     *   console.log(key);
+     * });
+     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).
+     */
+    function forIn(object, iteratee) {
+      return object == null
+        ? object
+        : baseFor(object, getIteratee(iteratee, 3), keysIn);
+    }
+
+    /**
+     * This method is like `_.forIn` except that it iterates over properties of
+     * `object` in the opposite order.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.0.0
+     * @category Object
+     * @param {Object} object The object to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Object} Returns `object`.
+     * @see _.forIn
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.forInRight(new Foo, function(value, key) {
+     *   console.log(key);
+     * });
+     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.
+     */
+    function forInRight(object, iteratee) {
+      return object == null
+        ? object
+        : baseForRight(object, getIteratee(iteratee, 3), keysIn);
+    }
+
+    /**
+     * Iterates over own enumerable string keyed properties of an object and
+     * invokes `iteratee` for each property. The iteratee is invoked with three
+     * arguments: (value, key, object). Iteratee functions may exit iteration
+     * early by explicitly returning `false`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.3.0
+     * @category Object
+     * @param {Object} object The object to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Object} Returns `object`.
+     * @see _.forOwnRight
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.forOwn(new Foo, function(value, key) {
+     *   console.log(key);
+     * });
+     * // => Logs 'a' then 'b' (iteration order is not guaranteed).
+     */
+    function forOwn(object, iteratee) {
+      return object && baseForOwn(object, getIteratee(iteratee, 3));
+    }
+
+    /**
+     * This method is like `_.forOwn` except that it iterates over properties of
+     * `object` in the opposite order.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.0.0
+     * @category Object
+     * @param {Object} object The object to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Object} Returns `object`.
+     * @see _.forOwn
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.forOwnRight(new Foo, function(value, key) {
+     *   console.log(key);
+     * });
+     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.
+     */
+    function forOwnRight(object, iteratee) {
+      return object && baseForOwnRight(object, getIteratee(iteratee, 3));
+    }
+
+    /**
+     * Creates an array of function property names from own enumerable properties
+     * of `object`.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to inspect.
+     * @returns {Array} Returns the function names.
+     * @see _.functionsIn
+     * @example
+     *
+     * function Foo() {
+     *   this.a = _.constant('a');
+     *   this.b = _.constant('b');
+     * }
+     *
+     * Foo.prototype.c = _.constant('c');
+     *
+     * _.functions(new Foo);
+     * // => ['a', 'b']
+     */
+    function functions(object) {
+      return object == null ? [] : baseFunctions(object, keys(object));
+    }
+
+    /**
+     * Creates an array of function property names from own and inherited
+     * enumerable properties of `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Object
+     * @param {Object} object The object to inspect.
+     * @returns {Array} Returns the function names.
+     * @see _.functions
+     * @example
+     *
+     * function Foo() {
+     *   this.a = _.constant('a');
+     *   this.b = _.constant('b');
+     * }
+     *
+     * Foo.prototype.c = _.constant('c');
+     *
+     * _.functionsIn(new Foo);
+     * // => ['a', 'b', 'c']
+     */
+    function functionsIn(object) {
+      return object == null ? [] : baseFunctions(object, keysIn(object));
+    }
+
+    /**
+     * Gets the value at `path` of `object`. If the resolved value is
+     * `undefined`, the `defaultValue` is returned in its place.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.7.0
+     * @category Object
+     * @param {Object} object The object to query.
+     * @param {Array|string} path The path of the property to get.
+     * @param {*} [defaultValue] The value returned for `undefined` resolved values.
+     * @returns {*} Returns the resolved value.
+     * @example
+     *
+     * var object = { 'a': [{ 'b': { 'c': 3 } }] };
+     *
+     * _.get(object, 'a[0].b.c');
+     * // => 3
+     *
+     * _.get(object, ['a', '0', 'b', 'c']);
+     * // => 3
+     *
+     * _.get(object, 'a.b.c', 'default');
+     * // => 'default'
+     */
+    function get(object, path, defaultValue) {
+      var result = object == null ? undefined : baseGet(object, path);
+      return result === undefined ? defaultValue : result;
+    }
+
+    /**
+     * Checks if `path` is a direct property of `object`.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to query.
+     * @param {Array|string} path The path to check.
+     * @returns {boolean} Returns `true` if `path` exists, else `false`.
+     * @example
+     *
+     * var object = { 'a': { 'b': 2 } };
+     * var other = _.create({ 'a': _.create({ 'b': 2 }) });
+     *
+     * _.has(object, 'a');
+     * // => true
+     *
+     * _.has(object, 'a.b');
+     * // => true
+     *
+     * _.has(object, ['a', 'b']);
+     * // => true
+     *
+     * _.has(other, 'a');
+     * // => false
+     */
+    function has(object, path) {
+      return object != null && hasPath(object, path, baseHas);
+    }
+
+    /**
+     * Checks if `path` is a direct or inherited property of `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Object
+     * @param {Object} object The object to query.
+     * @param {Array|string} path The path to check.
+     * @returns {boolean} Returns `true` if `path` exists, else `false`.
+     * @example
+     *
+     * var object = _.create({ 'a': _.create({ 'b': 2 }) });
+     *
+     * _.hasIn(object, 'a');
+     * // => true
+     *
+     * _.hasIn(object, 'a.b');
+     * // => true
+     *
+     * _.hasIn(object, ['a', 'b']);
+     * // => true
+     *
+     * _.hasIn(object, 'b');
+     * // => false
+     */
+    function hasIn(object, path) {
+      return object != null && hasPath(object, path, baseHasIn);
+    }
+
+    /**
+     * Creates an object composed of the inverted keys and values of `object`.
+     * If `object` contains duplicate values, subsequent values overwrite
+     * property assignments of previous values.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.7.0
+     * @category Object
+     * @param {Object} object The object to invert.
+     * @returns {Object} Returns the new inverted object.
+     * @example
+     *
+     * var object = { 'a': 1, 'b': 2, 'c': 1 };
+     *
+     * _.invert(object);
+     * // => { '1': 'c', '2': 'b' }
+     */
+    var invert = createInverter(function(result, value, key) {
+      result[value] = key;
+    }, constant(identity));
+
+    /**
+     * This method is like `_.invert` except that the inverted object is generated
+     * from the results of running each element of `object` thru `iteratee`. The
+     * corresponding inverted value of each inverted key is an array of keys
+     * responsible for generating the inverted value. The iteratee is invoked
+     * with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.1.0
+     * @category Object
+     * @param {Object} object The object to invert.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {Object} Returns the new inverted object.
+     * @example
+     *
+     * var object = { 'a': 1, 'b': 2, 'c': 1 };
+     *
+     * _.invertBy(object);
+     * // => { '1': ['a', 'c'], '2': ['b'] }
+     *
+     * _.invertBy(object, function(value) {
+     *   return 'group' + value;
+     * });
+     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }
+     */
+    var invertBy = createInverter(function(result, value, key) {
+      if (hasOwnProperty.call(result, value)) {
+        result[value].push(key);
+      } else {
+        result[value] = [key];
+      }
+    }, getIteratee);
+
+    /**
+     * Invokes the method at `path` of `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Object
+     * @param {Object} object The object to query.
+     * @param {Array|string} path The path of the method to invoke.
+     * @param {...*} [args] The arguments to invoke the method with.
+     * @returns {*} Returns the result of the invoked method.
+     * @example
+     *
+     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };
+     *
+     * _.invoke(object, 'a[0].b.c.slice', 1, 3);
+     * // => [2, 3]
+     */
+    var invoke = baseRest(baseInvoke);
+
+    /**
+     * Creates an array of the own enumerable property names of `object`.
+     *
+     * **Note:** Non-object values are coerced to objects. See the
+     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
+     * for more details.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property names.
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.keys(new Foo);
+     * // => ['a', 'b'] (iteration order is not guaranteed)
+     *
+     * _.keys('hi');
+     * // => ['0', '1']
+     */
+    function keys(object) {
+      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);
+    }
+
+    /**
+     * Creates an array of the own and inherited enumerable property names of `object`.
+     *
+     * **Note:** Non-object values are coerced to objects.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Object
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property names.
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.keysIn(new Foo);
+     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)
+     */
+    function keysIn(object) {
+      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);
+    }
+
+    /**
+     * The opposite of `_.mapValues`; this method creates an object with the
+     * same values as `object` and keys generated by running each own enumerable
+     * string keyed property of `object` thru `iteratee`. The iteratee is invoked
+     * with three arguments: (value, key, object).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.8.0
+     * @category Object
+     * @param {Object} object The object to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Object} Returns the new mapped object.
+     * @see _.mapValues
+     * @example
+     *
+     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {
+     *   return key + value;
+     * });
+     * // => { 'a1': 1, 'b2': 2 }
+     */
+    function mapKeys(object, iteratee) {
+      var result = {};
+      iteratee = getIteratee(iteratee, 3);
+
+      baseForOwn(object, function(value, key, object) {
+        baseAssignValue(result, iteratee(value, key, object), value);
+      });
+      return result;
+    }
+
+    /**
+     * Creates an object with the same keys as `object` and values generated
+     * by running each own enumerable string keyed property of `object` thru
+     * `iteratee`. The iteratee is invoked with three arguments:
+     * (value, key, object).
+     *
+     * @static
+     * @memberOf _
+     * @since 2.4.0
+     * @category Object
+     * @param {Object} object The object to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Object} Returns the new mapped object.
+     * @see _.mapKeys
+     * @example
+     *
+     * var users = {
+     *   'fred':    { 'user': 'fred',    'age': 40 },
+     *   'pebbles': { 'user': 'pebbles', 'age': 1 }
+     * };
+     *
+     * _.mapValues(users, function(o) { return o.age; });
+     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.mapValues(users, 'age');
+     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)
+     */
+    function mapValues(object, iteratee) {
+      var result = {};
+      iteratee = getIteratee(iteratee, 3);
+
+      baseForOwn(object, function(value, key, object) {
+        baseAssignValue(result, key, iteratee(value, key, object));
+      });
+      return result;
+    }
+
+    /**
+     * This method is like `_.assign` except that it recursively merges own and
+     * inherited enumerable string keyed properties of source objects into the
+     * destination object. Source properties that resolve to `undefined` are
+     * skipped if a destination value exists. Array and plain object properties
+     * are merged recursively. Other objects and value types are overridden by
+     * assignment. Source objects are applied from left to right. Subsequent
+     * sources overwrite property assignments of previous sources.
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.5.0
+     * @category Object
+     * @param {Object} object The destination object.
+     * @param {...Object} [sources] The source objects.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * var object = {
+     *   'a': [{ 'b': 2 }, { 'd': 4 }]
+     * };
+     *
+     * var other = {
+     *   'a': [{ 'c': 3 }, { 'e': 5 }]
+     * };
+     *
+     * _.merge(object, other);
+     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }
+     */
+    var merge = createAssigner(function(object, source, srcIndex) {
+      baseMerge(object, source, srcIndex);
+    });
+
+    /**
+     * This method is like `_.merge` except that it accepts `customizer` which
+     * is invoked to produce the merged values of the destination and source
+     * properties. If `customizer` returns `undefined`, merging is handled by the
+     * method instead. The `customizer` is invoked with six arguments:
+     * (objValue, srcValue, key, object, source, stack).
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Object
+     * @param {Object} object The destination object.
+     * @param {...Object} sources The source objects.
+     * @param {Function} customizer The function to customize assigned values.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * function customizer(objValue, srcValue) {
+     *   if (_.isArray(objValue)) {
+     *     return objValue.concat(srcValue);
+     *   }
+     * }
+     *
+     * var object = { 'a': [1], 'b': [2] };
+     * var other = { 'a': [3], 'b': [4] };
+     *
+     * _.mergeWith(object, other, customizer);
+     * // => { 'a': [1, 3], 'b': [2, 4] }
+     */
+    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {
+      baseMerge(object, source, srcIndex, customizer);
+    });
+
+    /**
+     * The opposite of `_.pick`; this method creates an object composed of the
+     * own and inherited enumerable property paths of `object` that are not omitted.
+     *
+     * **Note:** This method is considerably slower than `_.pick`.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The source object.
+     * @param {...(string|string[])} [paths] The property paths to omit.
+     * @returns {Object} Returns the new object.
+     * @example
+     *
+     * var object = { 'a': 1, 'b': '2', 'c': 3 };
+     *
+     * _.omit(object, ['a', 'c']);
+     * // => { 'b': '2' }
+     */
+    var omit = flatRest(function(object, paths) {
+      var result = {};
+      if (object == null) {
+        return result;
+      }
+      var isDeep = false;
+      paths = arrayMap(paths, function(path) {
+        path = castPath(path, object);
+        isDeep || (isDeep = path.length > 1);
+        return path;
+      });
+      copyObject(object, getAllKeysIn(object), result);
+      if (isDeep) {
+        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);
+      }
+      var length = paths.length;
+      while (length--) {
+        baseUnset(result, paths[length]);
+      }
+      return result;
+    });
+
+    /**
+     * The opposite of `_.pickBy`; this method creates an object composed of
+     * the own and inherited enumerable string keyed properties of `object` that
+     * `predicate` doesn't return truthy for. The predicate is invoked with two
+     * arguments: (value, key).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Object
+     * @param {Object} object The source object.
+     * @param {Function} [predicate=_.identity] The function invoked per property.
+     * @returns {Object} Returns the new object.
+     * @example
+     *
+     * var object = { 'a': 1, 'b': '2', 'c': 3 };
+     *
+     * _.omitBy(object, _.isNumber);
+     * // => { 'b': '2' }
+     */
+    function omitBy(object, predicate) {
+      return pickBy(object, negate(getIteratee(predicate)));
+    }
+
+    /**
+     * Creates an object composed of the picked `object` properties.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The source object.
+     * @param {...(string|string[])} [paths] The property paths to pick.
+     * @returns {Object} Returns the new object.
+     * @example
+     *
+     * var object = { 'a': 1, 'b': '2', 'c': 3 };
+     *
+     * _.pick(object, ['a', 'c']);
+     * // => { 'a': 1, 'c': 3 }
+     */
+    var pick = flatRest(function(object, paths) {
+      return object == null ? {} : basePick(object, paths);
+    });
+
+    /**
+     * Creates an object composed of the `object` properties `predicate` returns
+     * truthy for. The predicate is invoked with two arguments: (value, key).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Object
+     * @param {Object} object The source object.
+     * @param {Function} [predicate=_.identity] The function invoked per property.
+     * @returns {Object} Returns the new object.
+     * @example
+     *
+     * var object = { 'a': 1, 'b': '2', 'c': 3 };
+     *
+     * _.pickBy(object, _.isNumber);
+     * // => { 'a': 1, 'c': 3 }
+     */
+    function pickBy(object, predicate) {
+      if (object == null) {
+        return {};
+      }
+      var props = arrayMap(getAllKeysIn(object), function(prop) {
+        return [prop];
+      });
+      predicate = getIteratee(predicate);
+      return basePickBy(object, props, function(value, path) {
+        return predicate(value, path[0]);
+      });
+    }
+
+    /**
+     * This method is like `_.get` except that if the resolved value is a
+     * function it's invoked with the `this` binding of its parent object and
+     * its result is returned.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to query.
+     * @param {Array|string} path The path of the property to resolve.
+     * @param {*} [defaultValue] The value returned for `undefined` resolved values.
+     * @returns {*} Returns the resolved value.
+     * @example
+     *
+     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };
+     *
+     * _.result(object, 'a[0].b.c1');
+     * // => 3
+     *
+     * _.result(object, 'a[0].b.c2');
+     * // => 4
+     *
+     * _.result(object, 'a[0].b.c3', 'default');
+     * // => 'default'
+     *
+     * _.result(object, 'a[0].b.c3', _.constant('default'));
+     * // => 'default'
+     */
+    function result(object, path, defaultValue) {
+      path = castPath(path, object);
+
+      var index = -1,
+          length = path.length;
+
+      // Ensure the loop is entered when path is empty.
+      if (!length) {
+        length = 1;
+        object = undefined;
+      }
+      while (++index < length) {
+        var value = object == null ? undefined : object[toKey(path[index])];
+        if (value === undefined) {
+          index = length;
+          value = defaultValue;
+        }
+        object = isFunction(value) ? value.call(object) : value;
+      }
+      return object;
+    }
+
+    /**
+     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,
+     * it's created. Arrays are created for missing index properties while objects
+     * are created for all other missing properties. Use `_.setWith` to customize
+     * `path` creation.
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.7.0
+     * @category Object
+     * @param {Object} object The object to modify.
+     * @param {Array|string} path The path of the property to set.
+     * @param {*} value The value to set.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * var object = { 'a': [{ 'b': { 'c': 3 } }] };
+     *
+     * _.set(object, 'a[0].b.c', 4);
+     * console.log(object.a[0].b.c);
+     * // => 4
+     *
+     * _.set(object, ['x', '0', 'y', 'z'], 5);
+     * console.log(object.x[0].y.z);
+     * // => 5
+     */
+    function set(object, path, value) {
+      return object == null ? object : baseSet(object, path, value);
+    }
+
+    /**
+     * This method is like `_.set` except that it accepts `customizer` which is
+     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`
+     * path creation is handled by the method instead. The `customizer` is invoked
+     * with three arguments: (nsValue, key, nsObject).
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Object
+     * @param {Object} object The object to modify.
+     * @param {Array|string} path The path of the property to set.
+     * @param {*} value The value to set.
+     * @param {Function} [customizer] The function to customize assigned values.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * var object = {};
+     *
+     * _.setWith(object, '[0][1]', 'a', Object);
+     * // => { '0': { '1': 'a' } }
+     */
+    function setWith(object, path, value, customizer) {
+      customizer = typeof customizer == 'function' ? customizer : undefined;
+      return object == null ? object : baseSet(object, path, value, customizer);
+    }
+
+    /**
+     * Creates an array of own enumerable string keyed-value pairs for `object`
+     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its
+     * entries are returned.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @alias entries
+     * @category Object
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the key-value pairs.
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.toPairs(new Foo);
+     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)
+     */
+    var toPairs = createToPairs(keys);
+
+    /**
+     * Creates an array of own and inherited enumerable string keyed-value pairs
+     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map
+     * or set, its entries are returned.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @alias entriesIn
+     * @category Object
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the key-value pairs.
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.toPairsIn(new Foo);
+     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)
+     */
+    var toPairsIn = createToPairs(keysIn);
+
+    /**
+     * An alternative to `_.reduce`; this method transforms `object` to a new
+     * `accumulator` object which is the result of running each of its own
+     * enumerable string keyed properties thru `iteratee`, with each invocation
+     * potentially mutating the `accumulator` object. If `accumulator` is not
+     * provided, a new object with the same `[[Prototype]]` will be used. The
+     * iteratee is invoked with four arguments: (accumulator, value, key, object).
+     * Iteratee functions may exit iteration early by explicitly returning `false`.
+     *
+     * @static
+     * @memberOf _
+     * @since 1.3.0
+     * @category Object
+     * @param {Object} object The object to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @param {*} [accumulator] The custom accumulator value.
+     * @returns {*} Returns the accumulated value.
+     * @example
+     *
+     * _.transform([2, 3, 4], function(result, n) {
+     *   result.push(n *= n);
+     *   return n % 2 == 0;
+     * }, []);
+     * // => [4, 9]
+     *
+     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {
+     *   (result[value] || (result[value] = [])).push(key);
+     * }, {});
+     * // => { '1': ['a', 'c'], '2': ['b'] }
+     */
+    function transform(object, iteratee, accumulator) {
+      var isArr = isArray(object),
+          isArrLike = isArr || isBuffer(object) || isTypedArray(object);
+
+      iteratee = getIteratee(iteratee, 4);
+      if (accumulator == null) {
+        var Ctor = object && object.constructor;
+        if (isArrLike) {
+          accumulator = isArr ? new Ctor : [];
+        }
+        else if (isObject(object)) {
+          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};
+        }
+        else {
+          accumulator = {};
+        }
+      }
+      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {
+        return iteratee(accumulator, value, index, object);
+      });
+      return accumulator;
+    }
+
+    /**
+     * Removes the property at `path` of `object`.
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Object
+     * @param {Object} object The object to modify.
+     * @param {Array|string} path The path of the property to unset.
+     * @returns {boolean} Returns `true` if the property is deleted, else `false`.
+     * @example
+     *
+     * var object = { 'a': [{ 'b': { 'c': 7 } }] };
+     * _.unset(object, 'a[0].b.c');
+     * // => true
+     *
+     * console.log(object);
+     * // => { 'a': [{ 'b': {} }] };
+     *
+     * _.unset(object, ['a', '0', 'b', 'c']);
+     * // => true
+     *
+     * console.log(object);
+     * // => { 'a': [{ 'b': {} }] };
+     */
+    function unset(object, path) {
+      return object == null ? true : baseUnset(object, path);
+    }
+
+    /**
+     * This method is like `_.set` except that accepts `updater` to produce the
+     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`
+     * is invoked with one argument: (value).
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.6.0
+     * @category Object
+     * @param {Object} object The object to modify.
+     * @param {Array|string} path The path of the property to set.
+     * @param {Function} updater The function to produce the updated value.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * var object = { 'a': [{ 'b': { 'c': 3 } }] };
+     *
+     * _.update(object, 'a[0].b.c', function(n) { return n * n; });
+     * console.log(object.a[0].b.c);
+     * // => 9
+     *
+     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });
+     * console.log(object.x[0].y.z);
+     * // => 0
+     */
+    function update(object, path, updater) {
+      return object == null ? object : baseUpdate(object, path, castFunction(updater));
+    }
+
+    /**
+     * This method is like `_.update` except that it accepts `customizer` which is
+     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`
+     * path creation is handled by the method instead. The `customizer` is invoked
+     * with three arguments: (nsValue, key, nsObject).
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.6.0
+     * @category Object
+     * @param {Object} object The object to modify.
+     * @param {Array|string} path The path of the property to set.
+     * @param {Function} updater The function to produce the updated value.
+     * @param {Function} [customizer] The function to customize assigned values.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * var object = {};
+     *
+     * _.updateWith(object, '[0][1]', _.constant('a'), Object);
+     * // => { '0': { '1': 'a' } }
+     */
+    function updateWith(object, path, updater, customizer) {
+      customizer = typeof customizer == 'function' ? customizer : undefined;
+      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);
+    }
+
+    /**
+     * Creates an array of the own enumerable string keyed property values of `object`.
+     *
+     * **Note:** Non-object values are coerced to objects.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property values.
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.values(new Foo);
+     * // => [1, 2] (iteration order is not guaranteed)
+     *
+     * _.values('hi');
+     * // => ['h', 'i']
+     */
+    function values(object) {
+      return object == null ? [] : baseValues(object, keys(object));
+    }
+
+    /**
+     * Creates an array of the own and inherited enumerable string keyed property
+     * values of `object`.
+     *
+     * **Note:** Non-object values are coerced to objects.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Object
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property values.
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.valuesIn(new Foo);
+     * // => [1, 2, 3] (iteration order is not guaranteed)
+     */
+    function valuesIn(object) {
+      return object == null ? [] : baseValues(object, keysIn(object));
+    }
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Clamps `number` within the inclusive `lower` and `upper` bounds.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Number
+     * @param {number} number The number to clamp.
+     * @param {number} [lower] The lower bound.
+     * @param {number} upper The upper bound.
+     * @returns {number} Returns the clamped number.
+     * @example
+     *
+     * _.clamp(-10, -5, 5);
+     * // => -5
+     *
+     * _.clamp(10, -5, 5);
+     * // => 5
+     */
+    function clamp(number, lower, upper) {
+      if (upper === undefined) {
+        upper = lower;
+        lower = undefined;
+      }
+      if (upper !== undefined) {
+        upper = toNumber(upper);
+        upper = upper === upper ? upper : 0;
+      }
+      if (lower !== undefined) {
+        lower = toNumber(lower);
+        lower = lower === lower ? lower : 0;
+      }
+      return baseClamp(toNumber(number), lower, upper);
+    }
+
+    /**
+     * Checks if `n` is between `start` and up to, but not including, `end`. If
+     * `end` is not specified, it's set to `start` with `start` then set to `0`.
+     * If `start` is greater than `end` the params are swapped to support
+     * negative ranges.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.3.0
+     * @category Number
+     * @param {number} number The number to check.
+     * @param {number} [start=0] The start of the range.
+     * @param {number} end The end of the range.
+     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.
+     * @see _.range, _.rangeRight
+     * @example
+     *
+     * _.inRange(3, 2, 4);
+     * // => true
+     *
+     * _.inRange(4, 8);
+     * // => true
+     *
+     * _.inRange(4, 2);
+     * // => false
+     *
+     * _.inRange(2, 2);
+     * // => false
+     *
+     * _.inRange(1.2, 2);
+     * // => true
+     *
+     * _.inRange(5.2, 4);
+     * // => false
+     *
+     * _.inRange(-3, -2, -6);
+     * // => true
+     */
+    function inRange(number, start, end) {
+      start = toFinite(start);
+      if (end === undefined) {
+        end = start;
+        start = 0;
+      } else {
+        end = toFinite(end);
+      }
+      number = toNumber(number);
+      return baseInRange(number, start, end);
+    }
+
+    /**
+     * Produces a random number between the inclusive `lower` and `upper` bounds.
+     * If only one argument is provided a number between `0` and the given number
+     * is returned. If `floating` is `true`, or either `lower` or `upper` are
+     * floats, a floating-point number is returned instead of an integer.
+     *
+     * **Note:** JavaScript follows the IEEE-754 standard for resolving
+     * floating-point values which can produce unexpected results.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.7.0
+     * @category Number
+     * @param {number} [lower=0] The lower bound.
+     * @param {number} [upper=1] The upper bound.
+     * @param {boolean} [floating] Specify returning a floating-point number.
+     * @returns {number} Returns the random number.
+     * @example
+     *
+     * _.random(0, 5);
+     * // => an integer between 0 and 5
+     *
+     * _.random(5);
+     * // => also an integer between 0 and 5
+     *
+     * _.random(5, true);
+     * // => a floating-point number between 0 and 5
+     *
+     * _.random(1.2, 5.2);
+     * // => a floating-point number between 1.2 and 5.2
+     */
+    function random(lower, upper, floating) {
+      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {
+        upper = floating = undefined;
+      }
+      if (floating === undefined) {
+        if (typeof upper == 'boolean') {
+          floating = upper;
+          upper = undefined;
+        }
+        else if (typeof lower == 'boolean') {
+          floating = lower;
+          lower = undefined;
+        }
+      }
+      if (lower === undefined && upper === undefined) {
+        lower = 0;
+        upper = 1;
+      }
+      else {
+        lower = toFinite(lower);
+        if (upper === undefined) {
+          upper = lower;
+          lower = 0;
+        } else {
+          upper = toFinite(upper);
+        }
+      }
+      if (lower > upper) {
+        var temp = lower;
+        lower = upper;
+        upper = temp;
+      }
+      if (floating || lower % 1 || upper % 1) {
+        var rand = nativeRandom();
+        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);
+      }
+      return baseRandom(lower, upper);
+    }
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the camel cased string.
+     * @example
+     *
+     * _.camelCase('Foo Bar');
+     * // => 'fooBar'
+     *
+     * _.camelCase('--foo-bar--');
+     * // => 'fooBar'
+     *
+     * _.camelCase('__FOO_BAR__');
+     * // => 'fooBar'
+     */
+    var camelCase = createCompounder(function(result, word, index) {
+      word = word.toLowerCase();
+      return result + (index ? capitalize(word) : word);
+    });
+
+    /**
+     * Converts the first character of `string` to upper case and the remaining
+     * to lower case.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to capitalize.
+     * @returns {string} Returns the capitalized string.
+     * @example
+     *
+     * _.capitalize('FRED');
+     * // => 'Fred'
+     */
+    function capitalize(string) {
+      return upperFirst(toString(string).toLowerCase());
+    }
+
+    /**
+     * Deburrs `string` by converting
+     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)
+     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)
+     * letters to basic Latin letters and removing
+     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to deburr.
+     * @returns {string} Returns the deburred string.
+     * @example
+     *
+     * _.deburr('déjà vu');
+     * // => 'deja vu'
+     */
+    function deburr(string) {
+      string = toString(string);
+      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');
+    }
+
+    /**
+     * Checks if `string` ends with the given target string.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to inspect.
+     * @param {string} [target] The string to search for.
+     * @param {number} [position=string.length] The position to search up to.
+     * @returns {boolean} Returns `true` if `string` ends with `target`,
+     *  else `false`.
+     * @example
+     *
+     * _.endsWith('abc', 'c');
+     * // => true
+     *
+     * _.endsWith('abc', 'b');
+     * // => false
+     *
+     * _.endsWith('abc', 'b', 2);
+     * // => true
+     */
+    function endsWith(string, target, position) {
+      string = toString(string);
+      target = baseToString(target);
+
+      var length = string.length;
+      position = position === undefined
+        ? length
+        : baseClamp(toInteger(position), 0, length);
+
+      var end = position;
+      position -= target.length;
+      return position >= 0 && string.slice(position, end) == target;
+    }
+
+    /**
+     * Converts the characters "&", "<", ">", '"', and "'" in `string` to their
+     * corresponding HTML entities.
+     *
+     * **Note:** No other characters are escaped. To escape additional
+     * characters use a third-party library like [_he_](https://mths.be/he).
+     *
+     * Though the ">" character is escaped for symmetry, characters like
+     * ">" and "/" don't need escaping in HTML and have no special meaning
+     * unless they're part of a tag or unquoted attribute value. See
+     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)
+     * (under "semi-related fun fact") for more details.
+     *
+     * When working with HTML you should always
+     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce
+     * XSS vectors.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category String
+     * @param {string} [string=''] The string to escape.
+     * @returns {string} Returns the escaped string.
+     * @example
+     *
+     * _.escape('fred, barney, & pebbles');
+     * // => 'fred, barney, &amp; pebbles'
+     */
+    function escape(string) {
+      string = toString(string);
+      return (string && reHasUnescapedHtml.test(string))
+        ? string.replace(reUnescapedHtml, escapeHtmlChar)
+        : string;
+    }
+
+    /**
+     * Escapes the `RegExp` special characters "^", "$", "\", ".", "*", "+",
+     * "?", "(", ")", "[", "]", "{", "}", and "|" in `string`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to escape.
+     * @returns {string} Returns the escaped string.
+     * @example
+     *
+     * _.escapeRegExp('[lodash](https://lodash.com/)');
+     * // => '\[lodash\]\(https://lodash\.com/\)'
+     */
+    function escapeRegExp(string) {
+      string = toString(string);
+      return (string && reHasRegExpChar.test(string))
+        ? string.replace(reRegExpChar, '\\$&')
+        : string;
+    }
+
+    /**
+     * Converts `string` to
+     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the kebab cased string.
+     * @example
+     *
+     * _.kebabCase('Foo Bar');
+     * // => 'foo-bar'
+     *
+     * _.kebabCase('fooBar');
+     * // => 'foo-bar'
+     *
+     * _.kebabCase('__FOO_BAR__');
+     * // => 'foo-bar'
+     */
+    var kebabCase = createCompounder(function(result, word, index) {
+      return result + (index ? '-' : '') + word.toLowerCase();
+    });
+
+    /**
+     * Converts `string`, as space separated words, to lower case.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the lower cased string.
+     * @example
+     *
+     * _.lowerCase('--Foo-Bar--');
+     * // => 'foo bar'
+     *
+     * _.lowerCase('fooBar');
+     * // => 'foo bar'
+     *
+     * _.lowerCase('__FOO_BAR__');
+     * // => 'foo bar'
+     */
+    var lowerCase = createCompounder(function(result, word, index) {
+      return result + (index ? ' ' : '') + word.toLowerCase();
+    });
+
+    /**
+     * Converts the first character of `string` to lower case.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the converted string.
+     * @example
+     *
+     * _.lowerFirst('Fred');
+     * // => 'fred'
+     *
+     * _.lowerFirst('FRED');
+     * // => 'fRED'
+     */
+    var lowerFirst = createCaseFirst('toLowerCase');
+
+    /**
+     * Pads `string` on the left and right sides if it's shorter than `length`.
+     * Padding characters are truncated if they can't be evenly divided by `length`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to pad.
+     * @param {number} [length=0] The padding length.
+     * @param {string} [chars=' '] The string used as padding.
+     * @returns {string} Returns the padded string.
+     * @example
+     *
+     * _.pad('abc', 8);
+     * // => '  abc   '
+     *
+     * _.pad('abc', 8, '_-');
+     * // => '_-abc_-_'
+     *
+     * _.pad('abc', 3);
+     * // => 'abc'
+     */
+    function pad(string, length, chars) {
+      string = toString(string);
+      length = toInteger(length);
+
+      var strLength = length ? stringSize(string) : 0;
+      if (!length || strLength >= length) {
+        return string;
+      }
+      var mid = (length - strLength) / 2;
+      return (
+        createPadding(nativeFloor(mid), chars) +
+        string +
+        createPadding(nativeCeil(mid), chars)
+      );
+    }
+
+    /**
+     * Pads `string` on the right side if it's shorter than `length`. Padding
+     * characters are truncated if they exceed `length`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to pad.
+     * @param {number} [length=0] The padding length.
+     * @param {string} [chars=' '] The string used as padding.
+     * @returns {string} Returns the padded string.
+     * @example
+     *
+     * _.padEnd('abc', 6);
+     * // => 'abc   '
+     *
+     * _.padEnd('abc', 6, '_-');
+     * // => 'abc_-_'
+     *
+     * _.padEnd('abc', 3);
+     * // => 'abc'
+     */
+    function padEnd(string, length, chars) {
+      string = toString(string);
+      length = toInteger(length);
+
+      var strLength = length ? stringSize(string) : 0;
+      return (length && strLength < length)
+        ? (string + createPadding(length - strLength, chars))
+        : string;
+    }
+
+    /**
+     * Pads `string` on the left side if it's shorter than `length`. Padding
+     * characters are truncated if they exceed `length`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to pad.
+     * @param {number} [length=0] The padding length.
+     * @param {string} [chars=' '] The string used as padding.
+     * @returns {string} Returns the padded string.
+     * @example
+     *
+     * _.padStart('abc', 6);
+     * // => '   abc'
+     *
+     * _.padStart('abc', 6, '_-');
+     * // => '_-_abc'
+     *
+     * _.padStart('abc', 3);
+     * // => 'abc'
+     */
+    function padStart(string, length, chars) {
+      string = toString(string);
+      length = toInteger(length);
+
+      var strLength = length ? stringSize(string) : 0;
+      return (length && strLength < length)
+        ? (createPadding(length - strLength, chars) + string)
+        : string;
+    }
+
+    /**
+     * Converts `string` to an integer of the specified radix. If `radix` is
+     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a
+     * hexadecimal, in which case a `radix` of `16` is used.
+     *
+     * **Note:** This method aligns with the
+     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.
+     *
+     * @static
+     * @memberOf _
+     * @since 1.1.0
+     * @category String
+     * @param {string} string The string to convert.
+     * @param {number} [radix=10] The radix to interpret `value` by.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {number} Returns the converted integer.
+     * @example
+     *
+     * _.parseInt('08');
+     * // => 8
+     *
+     * _.map(['6', '08', '10'], _.parseInt);
+     * // => [6, 8, 10]
+     */
+    function parseInt(string, radix, guard) {
+      if (guard || radix == null) {
+        radix = 0;
+      } else if (radix) {
+        radix = +radix;
+      }
+      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);
+    }
+
+    /**
+     * Repeats the given string `n` times.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to repeat.
+     * @param {number} [n=1] The number of times to repeat the string.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {string} Returns the repeated string.
+     * @example
+     *
+     * _.repeat('*', 3);
+     * // => '***'
+     *
+     * _.repeat('abc', 2);
+     * // => 'abcabc'
+     *
+     * _.repeat('abc', 0);
+     * // => ''
+     */
+    function repeat(string, n, guard) {
+      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {
+        n = 1;
+      } else {
+        n = toInteger(n);
+      }
+      return baseRepeat(toString(string), n);
+    }
+
+    /**
+     * Replaces matches for `pattern` in `string` with `replacement`.
+     *
+     * **Note:** This method is based on
+     * [`String#replace`](https://mdn.io/String/replace).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to modify.
+     * @param {RegExp|string} pattern The pattern to replace.
+     * @param {Function|string} replacement The match replacement.
+     * @returns {string} Returns the modified string.
+     * @example
+     *
+     * _.replace('Hi Fred', 'Fred', 'Barney');
+     * // => 'Hi Barney'
+     */
+    function replace() {
+      var args = arguments,
+          string = toString(args[0]);
+
+      return args.length < 3 ? string : string.replace(args[1], args[2]);
+    }
+
+    /**
+     * Converts `string` to
+     * [snake case](https://en.wikipedia.org/wiki/Snake_case).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the snake cased string.
+     * @example
+     *
+     * _.snakeCase('Foo Bar');
+     * // => 'foo_bar'
+     *
+     * _.snakeCase('fooBar');
+     * // => 'foo_bar'
+     *
+     * _.snakeCase('--FOO-BAR--');
+     * // => 'foo_bar'
+     */
+    var snakeCase = createCompounder(function(result, word, index) {
+      return result + (index ? '_' : '') + word.toLowerCase();
+    });
+
+    /**
+     * Splits `string` by `separator`.
+     *
+     * **Note:** This method is based on
+     * [`String#split`](https://mdn.io/String/split).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to split.
+     * @param {RegExp|string} separator The separator pattern to split by.
+     * @param {number} [limit] The length to truncate results to.
+     * @returns {Array} Returns the string segments.
+     * @example
+     *
+     * _.split('a-b-c', '-', 2);
+     * // => ['a', 'b']
+     */
+    function split(string, separator, limit) {
+      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {
+        separator = limit = undefined;
+      }
+      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;
+      if (!limit) {
+        return [];
+      }
+      string = toString(string);
+      if (string && (
+            typeof separator == 'string' ||
+            (separator != null && !isRegExp(separator))
+          )) {
+        separator = baseToString(separator);
+        if (!separator && hasUnicode(string)) {
+          return castSlice(stringToArray(string), 0, limit);
+        }
+      }
+      return string.split(separator, limit);
+    }
+
+    /**
+     * Converts `string` to
+     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.1.0
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the start cased string.
+     * @example
+     *
+     * _.startCase('--foo-bar--');
+     * // => 'Foo Bar'
+     *
+     * _.startCase('fooBar');
+     * // => 'Foo Bar'
+     *
+     * _.startCase('__FOO_BAR__');
+     * // => 'FOO BAR'
+     */
+    var startCase = createCompounder(function(result, word, index) {
+      return result + (index ? ' ' : '') + upperFirst(word);
+    });
+
+    /**
+     * Checks if `string` starts with the given target string.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to inspect.
+     * @param {string} [target] The string to search for.
+     * @param {number} [position=0] The position to search from.
+     * @returns {boolean} Returns `true` if `string` starts with `target`,
+     *  else `false`.
+     * @example
+     *
+     * _.startsWith('abc', 'a');
+     * // => true
+     *
+     * _.startsWith('abc', 'b');
+     * // => false
+     *
+     * _.startsWith('abc', 'b', 1);
+     * // => true
+     */
+    function startsWith(string, target, position) {
+      string = toString(string);
+      position = position == null
+        ? 0
+        : baseClamp(toInteger(position), 0, string.length);
+
+      target = baseToString(target);
+      return string.slice(position, position + target.length) == target;
+    }
+
+    /**
+     * Creates a compiled template function that can interpolate data properties
+     * in "interpolate" delimiters, HTML-escape interpolated data properties in
+     * "escape" delimiters, and execute JavaScript in "evaluate" delimiters. Data
+     * properties may be accessed as free variables in the template. If a setting
+     * object is given, it takes precedence over `_.templateSettings` values.
+     *
+     * **Note:** In the development build `_.template` utilizes
+     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)
+     * for easier debugging.
+     *
+     * For more information on precompiling templates see
+     * [lodash's custom builds documentation](https://lodash.com/custom-builds).
+     *
+     * For more information on Chrome extension sandboxes see
+     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category String
+     * @param {string} [string=''] The template string.
+     * @param {Object} [options={}] The options object.
+     * @param {RegExp} [options.escape=_.templateSettings.escape]
+     *  The HTML "escape" delimiter.
+     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]
+     *  The "evaluate" delimiter.
+     * @param {Object} [options.imports=_.templateSettings.imports]
+     *  An object to import into the template as free variables.
+     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]
+     *  The "interpolate" delimiter.
+     * @param {string} [options.sourceURL='lodash.templateSources[n]']
+     *  The sourceURL of the compiled template.
+     * @param {string} [options.variable='obj']
+     *  The data object variable name.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Function} Returns the compiled template function.
+     * @example
+     *
+     * // Use the "interpolate" delimiter to create a compiled template.
+     * var compiled = _.template('hello <%= user %>!');
+     * compiled({ 'user': 'fred' });
+     * // => 'hello fred!'
+     *
+     * // Use the HTML "escape" delimiter to escape data property values.
+     * var compiled = _.template('<b><%- value %></b>');
+     * compiled({ 'value': '<script>' });
+     * // => '<b>&lt;script&gt;</b>'
+     *
+     * // Use the "evaluate" delimiter to execute JavaScript and generate HTML.
+     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');
+     * compiled({ 'users': ['fred', 'barney'] });
+     * // => '<li>fred</li><li>barney</li>'
+     *
+     * // Use the internal `print` function in "evaluate" delimiters.
+     * var compiled = _.template('<% print("hello " + user); %>!');
+     * compiled({ 'user': 'barney' });
+     * // => 'hello barney!'
+     *
+     * // Use the ES template literal delimiter as an "interpolate" delimiter.
+     * // Disable support by replacing the "interpolate" delimiter.
+     * var compiled = _.template('hello ${ user }!');
+     * compiled({ 'user': 'pebbles' });
+     * // => 'hello pebbles!'
+     *
+     * // Use backslashes to treat delimiters as plain text.
+     * var compiled = _.template('<%= "\\<%- value %\\>" %>');
+     * compiled({ 'value': 'ignored' });
+     * // => '<%- value %>'
+     *
+     * // Use the `imports` option to import `jQuery` as `jq`.
+     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';
+     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });
+     * compiled({ 'users': ['fred', 'barney'] });
+     * // => '<li>fred</li><li>barney</li>'
+     *
+     * // Use the `sourceURL` option to specify a custom sourceURL for the template.
+     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });
+     * compiled(data);
+     * // => Find the source of "greeting.jst" under the Sources tab or Resources panel of the web inspector.
+     *
+     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.
+     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });
+     * compiled.source;
+     * // => function(data) {
+     * //   var __t, __p = '';
+     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';
+     * //   return __p;
+     * // }
+     *
+     * // Use custom template delimiters.
+     * _.templateSettings.interpolate = /{{([\s\S]+?)}}/g;
+     * var compiled = _.template('hello {{ user }}!');
+     * compiled({ 'user': 'mustache' });
+     * // => 'hello mustache!'
+     *
+     * // Use the `source` property to inline compiled templates for meaningful
+     * // line numbers in error messages and stack traces.
+     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\
+     *   var JST = {\
+     *     "main": ' + _.template(mainText).source + '\
+     *   };\
+     * ');
+     */
+    function template(string, options, guard) {
+      // Based on John Resig's `tmpl` implementation
+      // (http://ejohn.org/blog/javascript-micro-templating/)
+      // and Laura Doktorova's doT.js (https://github.com/olado/doT).
+      var settings = lodash.templateSettings;
+
+      if (guard && isIterateeCall(string, options, guard)) {
+        options = undefined;
+      }
+      string = toString(string);
+      options = assignInWith({}, options, settings, customDefaultsAssignIn);
+
+      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),
+          importsKeys = keys(imports),
+          importsValues = baseValues(imports, importsKeys);
+
+      var isEscaping,
+          isEvaluating,
+          index = 0,
+          interpolate = options.interpolate || reNoMatch,
+          source = "__p += '";
+
+      // Compile the regexp to match each delimiter.
+      var reDelimiters = RegExp(
+        (options.escape || reNoMatch).source + '|' +
+        interpolate.source + '|' +
+        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +
+        (options.evaluate || reNoMatch).source + '|$'
+      , 'g');
+
+      // Use a sourceURL for easier debugging.
+      var sourceURL = '//# sourceURL=' +
+        ('sourceURL' in options
+          ? options.sourceURL
+          : ('lodash.templateSources[' + (++templateCounter) + ']')
+        ) + '\n';
+
+      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {
+        interpolateValue || (interpolateValue = esTemplateValue);
+
+        // Escape characters that can't be included in string literals.
+        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);
+
+        // Replace delimiters with snippets.
+        if (escapeValue) {
+          isEscaping = true;
+          source += "' +\n__e(" + escapeValue + ") +\n'";
+        }
+        if (evaluateValue) {
+          isEvaluating = true;
+          source += "';\n" + evaluateValue + ";\n__p += '";
+        }
+        if (interpolateValue) {
+          source += "' +\n((__t = (" + interpolateValue + ")) == null ? '' : __t) +\n'";
+        }
+        index = offset + match.length;
+
+        // The JS engine embedded in Adobe products needs `match` returned in
+        // order to produce the correct `offset` value.
+        return match;
+      });
+
+      source += "';\n";
+
+      // If `variable` is not specified wrap a with-statement around the generated
+      // code to add the data object to the top of the scope chain.
+      var variable = options.variable;
+      if (!variable) {
+        source = 'with (obj) {\n' + source + '\n}\n';
+      }
+      // Cleanup code by stripping empty strings.
+      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)
+        .replace(reEmptyStringMiddle, '$1')
+        .replace(reEmptyStringTrailing, '$1;');
+
+      // Frame code as the function body.
+      source = 'function(' + (variable || 'obj') + ') {\n' +
+        (variable
+          ? ''
+          : 'obj || (obj = {});\n'
+        ) +
+        "var __t, __p = ''" +
+        (isEscaping
+           ? ', __e = _.escape'
+           : ''
+        ) +
+        (isEvaluating
+          ? ', __j = Array.prototype.join;\n' +
+            "function print() { __p += __j.call(arguments, '') }\n"
+          : ';\n'
+        ) +
+        source +
+        'return __p\n}';
+
+      var result = attempt(function() {
+        return Function(importsKeys, sourceURL + 'return ' + source)
+          .apply(undefined, importsValues);
+      });
+
+      // Provide the compiled function's source by its `toString` method or
+      // the `source` property as a convenience for inlining compiled templates.
+      result.source = source;
+      if (isError(result)) {
+        throw result;
+      }
+      return result;
+    }
+
+    /**
+     * Converts `string`, as a whole, to lower case just like
+     * [String#toLowerCase](https://mdn.io/toLowerCase).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the lower cased string.
+     * @example
+     *
+     * _.toLower('--Foo-Bar--');
+     * // => '--foo-bar--'
+     *
+     * _.toLower('fooBar');
+     * // => 'foobar'
+     *
+     * _.toLower('__FOO_BAR__');
+     * // => '__foo_bar__'
+     */
+    function toLower(value) {
+      return toString(value).toLowerCase();
+    }
+
+    /**
+     * Converts `string`, as a whole, to upper case just like
+     * [String#toUpperCase](https://mdn.io/toUpperCase).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the upper cased string.
+     * @example
+     *
+     * _.toUpper('--foo-bar--');
+     * // => '--FOO-BAR--'
+     *
+     * _.toUpper('fooBar');
+     * // => 'FOOBAR'
+     *
+     * _.toUpper('__foo_bar__');
+     * // => '__FOO_BAR__'
+     */
+    function toUpper(value) {
+      return toString(value).toUpperCase();
+    }
+
+    /**
+     * Removes leading and trailing whitespace or specified characters from `string`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to trim.
+     * @param {string} [chars=whitespace] The characters to trim.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {string} Returns the trimmed string.
+     * @example
+     *
+     * _.trim('  abc  ');
+     * // => 'abc'
+     *
+     * _.trim('-_-abc-_-', '_-');
+     * // => 'abc'
+     *
+     * _.map(['  foo  ', '  bar  '], _.trim);
+     * // => ['foo', 'bar']
+     */
+    function trim(string, chars, guard) {
+      string = toString(string);
+      if (string && (guard || chars === undefined)) {
+        return string.replace(reTrim, '');
+      }
+      if (!string || !(chars = baseToString(chars))) {
+        return string;
+      }
+      var strSymbols = stringToArray(string),
+          chrSymbols = stringToArray(chars),
+          start = charsStartIndex(strSymbols, chrSymbols),
+          end = charsEndIndex(strSymbols, chrSymbols) + 1;
+
+      return castSlice(strSymbols, start, end).join('');
+    }
+
+    /**
+     * Removes trailing whitespace or specified characters from `string`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to trim.
+     * @param {string} [chars=whitespace] The characters to trim.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {string} Returns the trimmed string.
+     * @example
+     *
+     * _.trimEnd('  abc  ');
+     * // => '  abc'
+     *
+     * _.trimEnd('-_-abc-_-', '_-');
+     * // => '-_-abc'
+     */
+    function trimEnd(string, chars, guard) {
+      string = toString(string);
+      if (string && (guard || chars === undefined)) {
+        return string.replace(reTrimEnd, '');
+      }
+      if (!string || !(chars = baseToString(chars))) {
+        return string;
+      }
+      var strSymbols = stringToArray(string),
+          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;
+
+      return castSlice(strSymbols, 0, end).join('');
+    }
+
+    /**
+     * Removes leading whitespace or specified characters from `string`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to trim.
+     * @param {string} [chars=whitespace] The characters to trim.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {string} Returns the trimmed string.
+     * @example
+     *
+     * _.trimStart('  abc  ');
+     * // => 'abc  '
+     *
+     * _.trimStart('-_-abc-_-', '_-');
+     * // => 'abc-_-'
+     */
+    function trimStart(string, chars, guard) {
+      string = toString(string);
+      if (string && (guard || chars === undefined)) {
+        return string.replace(reTrimStart, '');
+      }
+      if (!string || !(chars = baseToString(chars))) {
+        return string;
+      }
+      var strSymbols = stringToArray(string),
+          start = charsStartIndex(strSymbols, stringToArray(chars));
+
+      return castSlice(strSymbols, start).join('');
+    }
+
+    /**
+     * Truncates `string` if it's longer than the given maximum string length.
+     * The last characters of the truncated string are replaced with the omission
+     * string which defaults to "...".
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to truncate.
+     * @param {Object} [options={}] The options object.
+     * @param {number} [options.length=30] The maximum string length.
+     * @param {string} [options.omission='...'] The string to indicate text is omitted.
+     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.
+     * @returns {string} Returns the truncated string.
+     * @example
+     *
+     * _.truncate('hi-diddly-ho there, neighborino');
+     * // => 'hi-diddly-ho there, neighbo...'
+     *
+     * _.truncate('hi-diddly-ho there, neighborino', {
+     *   'length': 24,
+     *   'separator': ' '
+     * });
+     * // => 'hi-diddly-ho there,...'
+     *
+     * _.truncate('hi-diddly-ho there, neighborino', {
+     *   'length': 24,
+     *   'separator': /,? +/
+     * });
+     * // => 'hi-diddly-ho there...'
+     *
+     * _.truncate('hi-diddly-ho there, neighborino', {
+     *   'omission': ' [...]'
+     * });
+     * // => 'hi-diddly-ho there, neig [...]'
+     */
+    function truncate(string, options) {
+      var length = DEFAULT_TRUNC_LENGTH,
+          omission = DEFAULT_TRUNC_OMISSION;
+
+      if (isObject(options)) {
+        var separator = 'separator' in options ? options.separator : separator;
+        length = 'length' in options ? toInteger(options.length) : length;
+        omission = 'omission' in options ? baseToString(options.omission) : omission;
+      }
+      string = toString(string);
+
+      var strLength = string.length;
+      if (hasUnicode(string)) {
+        var strSymbols = stringToArray(string);
+        strLength = strSymbols.length;
+      }
+      if (length >= strLength) {
+        return string;
+      }
+      var end = length - stringSize(omission);
+      if (end < 1) {
+        return omission;
+      }
+      var result = strSymbols
+        ? castSlice(strSymbols, 0, end).join('')
+        : string.slice(0, end);
+
+      if (separator === undefined) {
+        return result + omission;
+      }
+      if (strSymbols) {
+        end += (result.length - end);
+      }
+      if (isRegExp(separator)) {
+        if (string.slice(end).search(separator)) {
+          var match,
+              substring = result;
+
+          if (!separator.global) {
+            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');
+          }
+          separator.lastIndex = 0;
+          while ((match = separator.exec(substring))) {
+            var newEnd = match.index;
+          }
+          result = result.slice(0, newEnd === undefined ? end : newEnd);
+        }
+      } else if (string.indexOf(baseToString(separator), end) != end) {
+        var index = result.lastIndexOf(separator);
+        if (index > -1) {
+          result = result.slice(0, index);
+        }
+      }
+      return result + omission;
+    }
+
+    /**
+     * The inverse of `_.escape`; this method converts the HTML entities
+     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to
+     * their corresponding characters.
+     *
+     * **Note:** No other HTML entities are unescaped. To unescape additional
+     * HTML entities use a third-party library like [_he_](https://mths.be/he).
+     *
+     * @static
+     * @memberOf _
+     * @since 0.6.0
+     * @category String
+     * @param {string} [string=''] The string to unescape.
+     * @returns {string} Returns the unescaped string.
+     * @example
+     *
+     * _.unescape('fred, barney, &amp; pebbles');
+     * // => 'fred, barney, & pebbles'
+     */
+    function unescape(string) {
+      string = toString(string);
+      return (string && reHasEscapedHtml.test(string))
+        ? string.replace(reEscapedHtml, unescapeHtmlChar)
+        : string;
+    }
+
+    /**
+     * Converts `string`, as space separated words, to upper case.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the upper cased string.
+     * @example
+     *
+     * _.upperCase('--foo-bar');
+     * // => 'FOO BAR'
+     *
+     * _.upperCase('fooBar');
+     * // => 'FOO BAR'
+     *
+     * _.upperCase('__foo_bar__');
+     * // => 'FOO BAR'
+     */
+    var upperCase = createCompounder(function(result, word, index) {
+      return result + (index ? ' ' : '') + word.toUpperCase();
+    });
+
+    /**
+     * Converts the first character of `string` to upper case.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the converted string.
+     * @example
+     *
+     * _.upperFirst('fred');
+     * // => 'Fred'
+     *
+     * _.upperFirst('FRED');
+     * // => 'FRED'
+     */
+    var upperFirst = createCaseFirst('toUpperCase');
+
+    /**
+     * Splits `string` into an array of its words.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to inspect.
+     * @param {RegExp|string} [pattern] The pattern to match words.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Array} Returns the words of `string`.
+     * @example
+     *
+     * _.words('fred, barney, & pebbles');
+     * // => ['fred', 'barney', 'pebbles']
+     *
+     * _.words('fred, barney, & pebbles', /[^, ]+/g);
+     * // => ['fred', 'barney', '&', 'pebbles']
+     */
+    function words(string, pattern, guard) {
+      string = toString(string);
+      pattern = guard ? undefined : pattern;
+
+      if (pattern === undefined) {
+        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);
+      }
+      return string.match(pattern) || [];
+    }
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Attempts to invoke `func`, returning either the result or the caught error
+     * object. Any additional arguments are provided to `func` when it's invoked.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Util
+     * @param {Function} func The function to attempt.
+     * @param {...*} [args] The arguments to invoke `func` with.
+     * @returns {*} Returns the `func` result or error object.
+     * @example
+     *
+     * // Avoid throwing errors for invalid selectors.
+     * var elements = _.attempt(function(selector) {
+     *   return document.querySelectorAll(selector);
+     * }, '>_>');
+     *
+     * if (_.isError(elements)) {
+     *   elements = [];
+     * }
+     */
+    var attempt = baseRest(function(func, args) {
+      try {
+        return apply(func, undefined, args);
+      } catch (e) {
+        return isError(e) ? e : new Error(e);
+      }
+    });
+
+    /**
+     * Binds methods of an object to the object itself, overwriting the existing
+     * method.
+     *
+     * **Note:** This method doesn't set the "length" property of bound functions.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Util
+     * @param {Object} object The object to bind and assign the bound methods to.
+     * @param {...(string|string[])} methodNames The object method names to bind.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * var view = {
+     *   'label': 'docs',
+     *   'click': function() {
+     *     console.log('clicked ' + this.label);
+     *   }
+     * };
+     *
+     * _.bindAll(view, ['click']);
+     * jQuery(element).on('click', view.click);
+     * // => Logs 'clicked docs' when clicked.
+     */
+    var bindAll = flatRest(function(object, methodNames) {
+      arrayEach(methodNames, function(key) {
+        key = toKey(key);
+        baseAssignValue(object, key, bind(object[key], object));
+      });
+      return object;
+    });
+
+    /**
+     * Creates a function that iterates over `pairs` and invokes the corresponding
+     * function of the first predicate to return truthy. The predicate-function
+     * pairs are invoked with the `this` binding and arguments of the created
+     * function.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Util
+     * @param {Array} pairs The predicate-function pairs.
+     * @returns {Function} Returns the new composite function.
+     * @example
+     *
+     * var func = _.cond([
+     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],
+     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],
+     *   [_.stubTrue,                      _.constant('no match')]
+     * ]);
+     *
+     * func({ 'a': 1, 'b': 2 });
+     * // => 'matches A'
+     *
+     * func({ 'a': 0, 'b': 1 });
+     * // => 'matches B'
+     *
+     * func({ 'a': '1', 'b': '2' });
+     * // => 'no match'
+     */
+    function cond(pairs) {
+      var length = pairs == null ? 0 : pairs.length,
+          toIteratee = getIteratee();
+
+      pairs = !length ? [] : arrayMap(pairs, function(pair) {
+        if (typeof pair[1] != 'function') {
+          throw new TypeError(FUNC_ERROR_TEXT);
+        }
+        return [toIteratee(pair[0]), pair[1]];
+      });
+
+      return baseRest(function(args) {
+        var index = -1;
+        while (++index < length) {
+          var pair = pairs[index];
+          if (apply(pair[0], this, args)) {
+            return apply(pair[1], this, args);
+          }
+        }
+      });
+    }
+
+    /**
+     * Creates a function that invokes the predicate properties of `source` with
+     * the corresponding property values of a given object, returning `true` if
+     * all predicates return truthy, else `false`.
+     *
+     * **Note:** The created function is equivalent to `_.conformsTo` with
+     * `source` partially applied.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Util
+     * @param {Object} source The object of property predicates to conform to.
+     * @returns {Function} Returns the new spec function.
+     * @example
+     *
+     * var objects = [
+     *   { 'a': 2, 'b': 1 },
+     *   { 'a': 1, 'b': 2 }
+     * ];
+     *
+     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));
+     * // => [{ 'a': 1, 'b': 2 }]
+     */
+    function conforms(source) {
+      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));
+    }
+
+    /**
+     * Creates a function that returns `value`.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.4.0
+     * @category Util
+     * @param {*} value The value to return from the new function.
+     * @returns {Function} Returns the new constant function.
+     * @example
+     *
+     * var objects = _.times(2, _.constant({ 'a': 1 }));
+     *
+     * console.log(objects);
+     * // => [{ 'a': 1 }, { 'a': 1 }]
+     *
+     * console.log(objects[0] === objects[1]);
+     * // => true
+     */
+    function constant(value) {
+      return function() {
+        return value;
+      };
+    }
+
+    /**
+     * Checks `value` to determine whether a default value should be returned in
+     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,
+     * or `undefined`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.14.0
+     * @category Util
+     * @param {*} value The value to check.
+     * @param {*} defaultValue The default value.
+     * @returns {*} Returns the resolved value.
+     * @example
+     *
+     * _.defaultTo(1, 10);
+     * // => 1
+     *
+     * _.defaultTo(undefined, 10);
+     * // => 10
+     */
+    function defaultTo(value, defaultValue) {
+      return (value == null || value !== value) ? defaultValue : value;
+    }
+
+    /**
+     * Creates a function that returns the result of invoking the given functions
+     * with the `this` binding of the created function, where each successive
+     * invocation is supplied the return value of the previous.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Util
+     * @param {...(Function|Function[])} [funcs] The functions to invoke.
+     * @returns {Function} Returns the new composite function.
+     * @see _.flowRight
+     * @example
+     *
+     * function square(n) {
+     *   return n * n;
+     * }
+     *
+     * var addSquare = _.flow([_.add, square]);
+     * addSquare(1, 2);
+     * // => 9
+     */
+    var flow = createFlow();
+
+    /**
+     * This method is like `_.flow` except that it creates a function that
+     * invokes the given functions from right to left.
+     *
+     * @static
+     * @since 3.0.0
+     * @memberOf _
+     * @category Util
+     * @param {...(Function|Function[])} [funcs] The functions to invoke.
+     * @returns {Function} Returns the new composite function.
+     * @see _.flow
+     * @example
+     *
+     * function square(n) {
+     *   return n * n;
+     * }
+     *
+     * var addSquare = _.flowRight([square, _.add]);
+     * addSquare(1, 2);
+     * // => 9
+     */
+    var flowRight = createFlow(true);
+
+    /**
+     * This method returns the first argument it receives.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Util
+     * @param {*} value Any value.
+     * @returns {*} Returns `value`.
+     * @example
+     *
+     * var object = { 'a': 1 };
+     *
+     * console.log(_.identity(object) === object);
+     * // => true
+     */
+    function identity(value) {
+      return value;
+    }
+
+    /**
+     * Creates a function that invokes `func` with the arguments of the created
+     * function. If `func` is a property name, the created function returns the
+     * property value for a given element. If `func` is an array or object, the
+     * created function returns `true` for elements that contain the equivalent
+     * source properties, otherwise it returns `false`.
+     *
+     * @static
+     * @since 4.0.0
+     * @memberOf _
+     * @category Util
+     * @param {*} [func=_.identity] The value to convert to a callback.
+     * @returns {Function} Returns the callback.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney', 'age': 36, 'active': true },
+     *   { 'user': 'fred',   'age': 40, 'active': false }
+     * ];
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));
+     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.filter(users, _.iteratee(['user', 'fred']));
+     * // => [{ 'user': 'fred', 'age': 40 }]
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.map(users, _.iteratee('user'));
+     * // => ['barney', 'fred']
+     *
+     * // Create custom iteratee shorthands.
+     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {
+     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {
+     *     return func.test(string);
+     *   };
+     * });
+     *
+     * _.filter(['abc', 'def'], /ef/);
+     * // => ['def']
+     */
+    function iteratee(func) {
+      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));
+    }
+
+    /**
+     * Creates a function that performs a partial deep comparison between a given
+     * object and `source`, returning `true` if the given object has equivalent
+     * property values, else `false`.
+     *
+     * **Note:** The created function is equivalent to `_.isMatch` with `source`
+     * partially applied.
+     *
+     * Partial comparisons will match empty array and empty object `source`
+     * values against any array or object value, respectively. See `_.isEqual`
+     * for a list of supported value comparisons.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Util
+     * @param {Object} source The object of property values to match.
+     * @returns {Function} Returns the new spec function.
+     * @example
+     *
+     * var objects = [
+     *   { 'a': 1, 'b': 2, 'c': 3 },
+     *   { 'a': 4, 'b': 5, 'c': 6 }
+     * ];
+     *
+     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));
+     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]
+     */
+    function matches(source) {
+      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));
+    }
+
+    /**
+     * Creates a function that performs a partial deep comparison between the
+     * value at `path` of a given object to `srcValue`, returning `true` if the
+     * object value is equivalent, else `false`.
+     *
+     * **Note:** Partial comparisons will match empty array and empty object
+     * `srcValue` values against any array or object value, respectively. See
+     * `_.isEqual` for a list of supported value comparisons.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.2.0
+     * @category Util
+     * @param {Array|string} path The path of the property to get.
+     * @param {*} srcValue The value to match.
+     * @returns {Function} Returns the new spec function.
+     * @example
+     *
+     * var objects = [
+     *   { 'a': 1, 'b': 2, 'c': 3 },
+     *   { 'a': 4, 'b': 5, 'c': 6 }
+     * ];
+     *
+     * _.find(objects, _.matchesProperty('a', 4));
+     * // => { 'a': 4, 'b': 5, 'c': 6 }
+     */
+    function matchesProperty(path, srcValue) {
+      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));
+    }
+
+    /**
+     * Creates a function that invokes the method at `path` of a given object.
+     * Any additional arguments are provided to the invoked method.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.7.0
+     * @category Util
+     * @param {Array|string} path The path of the method to invoke.
+     * @param {...*} [args] The arguments to invoke the method with.
+     * @returns {Function} Returns the new invoker function.
+     * @example
+     *
+     * var objects = [
+     *   { 'a': { 'b': _.constant(2) } },
+     *   { 'a': { 'b': _.constant(1) } }
+     * ];
+     *
+     * _.map(objects, _.method('a.b'));
+     * // => [2, 1]
+     *
+     * _.map(objects, _.method(['a', 'b']));
+     * // => [2, 1]
+     */
+    var method = baseRest(function(path, args) {
+      return function(object) {
+        return baseInvoke(object, path, args);
+      };
+    });
+
+    /**
+     * The opposite of `_.method`; this method creates a function that invokes
+     * the method at a given path of `object`. Any additional arguments are
+     * provided to the invoked method.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.7.0
+     * @category Util
+     * @param {Object} object The object to query.
+     * @param {...*} [args] The arguments to invoke the method with.
+     * @returns {Function} Returns the new invoker function.
+     * @example
+     *
+     * var array = _.times(3, _.constant),
+     *     object = { 'a': array, 'b': array, 'c': array };
+     *
+     * _.map(['a[2]', 'c[0]'], _.methodOf(object));
+     * // => [2, 0]
+     *
+     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));
+     * // => [2, 0]
+     */
+    var methodOf = baseRest(function(object, args) {
+      return function(path) {
+        return baseInvoke(object, path, args);
+      };
+    });
+
+    /**
+     * Adds all own enumerable string keyed function properties of a source
+     * object to the destination object. If `object` is a function, then methods
+     * are added to its prototype as well.
+     *
+     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to
+     * avoid conflicts caused by modifying the original.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Util
+     * @param {Function|Object} [object=lodash] The destination object.
+     * @param {Object} source The object of functions to add.
+     * @param {Object} [options={}] The options object.
+     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.
+     * @returns {Function|Object} Returns `object`.
+     * @example
+     *
+     * function vowels(string) {
+     *   return _.filter(string, function(v) {
+     *     return /[aeiou]/i.test(v);
+     *   });
+     * }
+     *
+     * _.mixin({ 'vowels': vowels });
+     * _.vowels('fred');
+     * // => ['e']
+     *
+     * _('fred').vowels().value();
+     * // => ['e']
+     *
+     * _.mixin({ 'vowels': vowels }, { 'chain': false });
+     * _('fred').vowels();
+     * // => ['e']
+     */
+    function mixin(object, source, options) {
+      var props = keys(source),
+          methodNames = baseFunctions(source, props);
+
+      if (options == null &&
+          !(isObject(source) && (methodNames.length || !props.length))) {
+        options = source;
+        source = object;
+        object = this;
+        methodNames = baseFunctions(source, keys(source));
+      }
+      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,
+          isFunc = isFunction(object);
+
+      arrayEach(methodNames, function(methodName) {
+        var func = source[methodName];
+        object[methodName] = func;
+        if (isFunc) {
+          object.prototype[methodName] = function() {
+            var chainAll = this.__chain__;
+            if (chain || chainAll) {
+              var result = object(this.__wrapped__),
+                  actions = result.__actions__ = copyArray(this.__actions__);
+
+              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });
+              result.__chain__ = chainAll;
+              return result;
+            }
+            return func.apply(object, arrayPush([this.value()], arguments));
+          };
+        }
+      });
+
+      return object;
+    }
+
+    /**
+     * Reverts the `_` variable to its previous value and returns a reference to
+     * the `lodash` function.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Util
+     * @returns {Function} Returns the `lodash` function.
+     * @example
+     *
+     * var lodash = _.noConflict();
+     */
+    function noConflict() {
+      if (root._ === this) {
+        root._ = oldDash;
+      }
+      return this;
+    }
+
+    /**
+     * This method returns `undefined`.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.3.0
+     * @category Util
+     * @example
+     *
+     * _.times(2, _.noop);
+     * // => [undefined, undefined]
+     */
+    function noop() {
+      // No operation performed.
+    }
+
+    /**
+     * Creates a function that gets the argument at index `n`. If `n` is negative,
+     * the nth argument from the end is returned.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Util
+     * @param {number} [n=0] The index of the argument to return.
+     * @returns {Function} Returns the new pass-thru function.
+     * @example
+     *
+     * var func = _.nthArg(1);
+     * func('a', 'b', 'c', 'd');
+     * // => 'b'
+     *
+     * var func = _.nthArg(-2);
+     * func('a', 'b', 'c', 'd');
+     * // => 'c'
+     */
+    function nthArg(n) {
+      n = toInteger(n);
+      return baseRest(function(args) {
+        return baseNth(args, n);
+      });
+    }
+
+    /**
+     * Creates a function that invokes `iteratees` with the arguments it receives
+     * and returns their results.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Util
+     * @param {...(Function|Function[])} [iteratees=[_.identity]]
+     *  The iteratees to invoke.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var func = _.over([Math.max, Math.min]);
+     *
+     * func(1, 2, 3, 4);
+     * // => [4, 1]
+     */
+    var over = createOver(arrayMap);
+
+    /**
+     * Creates a function that checks if **all** of the `predicates` return
+     * truthy when invoked with the arguments it receives.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Util
+     * @param {...(Function|Function[])} [predicates=[_.identity]]
+     *  The predicates to check.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var func = _.overEvery([Boolean, isFinite]);
+     *
+     * func('1');
+     * // => true
+     *
+     * func(null);
+     * // => false
+     *
+     * func(NaN);
+     * // => false
+     */
+    var overEvery = createOver(arrayEvery);
+
+    /**
+     * Creates a function that checks if **any** of the `predicates` return
+     * truthy when invoked with the arguments it receives.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Util
+     * @param {...(Function|Function[])} [predicates=[_.identity]]
+     *  The predicates to check.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var func = _.overSome([Boolean, isFinite]);
+     *
+     * func('1');
+     * // => true
+     *
+     * func(null);
+     * // => true
+     *
+     * func(NaN);
+     * // => false
+     */
+    var overSome = createOver(arraySome);
+
+    /**
+     * Creates a function that returns the value at `path` of a given object.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.4.0
+     * @category Util
+     * @param {Array|string} path The path of the property to get.
+     * @returns {Function} Returns the new accessor function.
+     * @example
+     *
+     * var objects = [
+     *   { 'a': { 'b': 2 } },
+     *   { 'a': { 'b': 1 } }
+     * ];
+     *
+     * _.map(objects, _.property('a.b'));
+     * // => [2, 1]
+     *
+     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');
+     * // => [1, 2]
+     */
+    function property(path) {
+      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);
+    }
+
+    /**
+     * The opposite of `_.property`; this method creates a function that returns
+     * the value at a given path of `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Util
+     * @param {Object} object The object to query.
+     * @returns {Function} Returns the new accessor function.
+     * @example
+     *
+     * var array = [0, 1, 2],
+     *     object = { 'a': array, 'b': array, 'c': array };
+     *
+     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));
+     * // => [2, 0]
+     *
+     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));
+     * // => [2, 0]
+     */
+    function propertyOf(object) {
+      return function(path) {
+        return object == null ? undefined : baseGet(object, path);
+      };
+    }
+
+    /**
+     * Creates an array of numbers (positive and/or negative) progressing from
+     * `start` up to, but not including, `end`. A step of `-1` is used if a negative
+     * `start` is specified without an `end` or `step`. If `end` is not specified,
+     * it's set to `start` with `start` then set to `0`.
+     *
+     * **Note:** JavaScript follows the IEEE-754 standard for resolving
+     * floating-point values which can produce unexpected results.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Util
+     * @param {number} [start=0] The start of the range.
+     * @param {number} end The end of the range.
+     * @param {number} [step=1] The value to increment or decrement by.
+     * @returns {Array} Returns the range of numbers.
+     * @see _.inRange, _.rangeRight
+     * @example
+     *
+     * _.range(4);
+     * // => [0, 1, 2, 3]
+     *
+     * _.range(-4);
+     * // => [0, -1, -2, -3]
+     *
+     * _.range(1, 5);
+     * // => [1, 2, 3, 4]
+     *
+     * _.range(0, 20, 5);
+     * // => [0, 5, 10, 15]
+     *
+     * _.range(0, -4, -1);
+     * // => [0, -1, -2, -3]
+     *
+     * _.range(1, 4, 0);
+     * // => [1, 1, 1]
+     *
+     * _.range(0);
+     * // => []
+     */
+    var range = createRange();
+
+    /**
+     * This method is like `_.range` except that it populates values in
+     * descending order.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Util
+     * @param {number} [start=0] The start of the range.
+     * @param {number} end The end of the range.
+     * @param {number} [step=1] The value to increment or decrement by.
+     * @returns {Array} Returns the range of numbers.
+     * @see _.inRange, _.range
+     * @example
+     *
+     * _.rangeRight(4);
+     * // => [3, 2, 1, 0]
+     *
+     * _.rangeRight(-4);
+     * // => [-3, -2, -1, 0]
+     *
+     * _.rangeRight(1, 5);
+     * // => [4, 3, 2, 1]
+     *
+     * _.rangeRight(0, 20, 5);
+     * // => [15, 10, 5, 0]
+     *
+     * _.rangeRight(0, -4, -1);
+     * // => [-3, -2, -1, 0]
+     *
+     * _.rangeRight(1, 4, 0);
+     * // => [1, 1, 1]
+     *
+     * _.rangeRight(0);
+     * // => []
+     */
+    var rangeRight = createRange(true);
+
+    /**
+     * This method returns a new empty array.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.13.0
+     * @category Util
+     * @returns {Array} Returns the new empty array.
+     * @example
+     *
+     * var arrays = _.times(2, _.stubArray);
+     *
+     * console.log(arrays);
+     * // => [[], []]
+     *
+     * console.log(arrays[0] === arrays[1]);
+     * // => false
+     */
+    function stubArray() {
+      return [];
+    }
+
+    /**
+     * This method returns `false`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.13.0
+     * @category Util
+     * @returns {boolean} Returns `false`.
+     * @example
+     *
+     * _.times(2, _.stubFalse);
+     * // => [false, false]
+     */
+    function stubFalse() {
+      return false;
+    }
+
+    /**
+     * This method returns a new empty object.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.13.0
+     * @category Util
+     * @returns {Object} Returns the new empty object.
+     * @example
+     *
+     * var objects = _.times(2, _.stubObject);
+     *
+     * console.log(objects);
+     * // => [{}, {}]
+     *
+     * console.log(objects[0] === objects[1]);
+     * // => false
+     */
+    function stubObject() {
+      return {};
+    }
+
+    /**
+     * This method returns an empty string.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.13.0
+     * @category Util
+     * @returns {string} Returns the empty string.
+     * @example
+     *
+     * _.times(2, _.stubString);
+     * // => ['', '']
+     */
+    function stubString() {
+      return '';
+    }
+
+    /**
+     * This method returns `true`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.13.0
+     * @category Util
+     * @returns {boolean} Returns `true`.
+     * @example
+     *
+     * _.times(2, _.stubTrue);
+     * // => [true, true]
+     */
+    function stubTrue() {
+      return true;
+    }
+
+    /**
+     * Invokes the iteratee `n` times, returning an array of the results of
+     * each invocation. The iteratee is invoked with one argument; (index).
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Util
+     * @param {number} n The number of times to invoke `iteratee`.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the array of results.
+     * @example
+     *
+     * _.times(3, String);
+     * // => ['0', '1', '2']
+     *
+     *  _.times(4, _.constant(0));
+     * // => [0, 0, 0, 0]
+     */
+    function times(n, iteratee) {
+      n = toInteger(n);
+      if (n < 1 || n > MAX_SAFE_INTEGER) {
+        return [];
+      }
+      var index = MAX_ARRAY_LENGTH,
+          length = nativeMin(n, MAX_ARRAY_LENGTH);
+
+      iteratee = getIteratee(iteratee);
+      n -= MAX_ARRAY_LENGTH;
+
+      var result = baseTimes(length, iteratee);
+      while (++index < n) {
+        iteratee(index);
+      }
+      return result;
+    }
+
+    /**
+     * Converts `value` to a property path array.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Util
+     * @param {*} value The value to convert.
+     * @returns {Array} Returns the new property path array.
+     * @example
+     *
+     * _.toPath('a.b.c');
+     * // => ['a', 'b', 'c']
+     *
+     * _.toPath('a[0].b.c');
+     * // => ['a', '0', 'b', 'c']
+     */
+    function toPath(value) {
+      if (isArray(value)) {
+        return arrayMap(value, toKey);
+      }
+      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));
+    }
+
+    /**
+     * Generates a unique ID. If `prefix` is given, the ID is appended to it.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Util
+     * @param {string} [prefix=''] The value to prefix the ID with.
+     * @returns {string} Returns the unique ID.
+     * @example
+     *
+     * _.uniqueId('contact_');
+     * // => 'contact_104'
+     *
+     * _.uniqueId();
+     * // => '105'
+     */
+    function uniqueId(prefix) {
+      var id = ++idCounter;
+      return toString(prefix) + id;
+    }
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Adds two numbers.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.4.0
+     * @category Math
+     * @param {number} augend The first number in an addition.
+     * @param {number} addend The second number in an addition.
+     * @returns {number} Returns the total.
+     * @example
+     *
+     * _.add(6, 4);
+     * // => 10
+     */
+    var add = createMathOperation(function(augend, addend) {
+      return augend + addend;
+    }, 0);
+
+    /**
+     * Computes `number` rounded up to `precision`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.10.0
+     * @category Math
+     * @param {number} number The number to round up.
+     * @param {number} [precision=0] The precision to round up to.
+     * @returns {number} Returns the rounded up number.
+     * @example
+     *
+     * _.ceil(4.006);
+     * // => 5
+     *
+     * _.ceil(6.004, 2);
+     * // => 6.01
+     *
+     * _.ceil(6040, -2);
+     * // => 6100
+     */
+    var ceil = createRound('ceil');
+
+    /**
+     * Divide two numbers.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.7.0
+     * @category Math
+     * @param {number} dividend The first number in a division.
+     * @param {number} divisor The second number in a division.
+     * @returns {number} Returns the quotient.
+     * @example
+     *
+     * _.divide(6, 4);
+     * // => 1.5
+     */
+    var divide = createMathOperation(function(dividend, divisor) {
+      return dividend / divisor;
+    }, 1);
+
+    /**
+     * Computes `number` rounded down to `precision`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.10.0
+     * @category Math
+     * @param {number} number The number to round down.
+     * @param {number} [precision=0] The precision to round down to.
+     * @returns {number} Returns the rounded down number.
+     * @example
+     *
+     * _.floor(4.006);
+     * // => 4
+     *
+     * _.floor(0.046, 2);
+     * // => 0.04
+     *
+     * _.floor(4060, -2);
+     * // => 4000
+     */
+    var floor = createRound('floor');
+
+    /**
+     * Computes the maximum value of `array`. If `array` is empty or falsey,
+     * `undefined` is returned.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Math
+     * @param {Array} array The array to iterate over.
+     * @returns {*} Returns the maximum value.
+     * @example
+     *
+     * _.max([4, 2, 8, 6]);
+     * // => 8
+     *
+     * _.max([]);
+     * // => undefined
+     */
+    function max(array) {
+      return (array && array.length)
+        ? baseExtremum(array, identity, baseGt)
+        : undefined;
+    }
+
+    /**
+     * This method is like `_.max` except that it accepts `iteratee` which is
+     * invoked for each element in `array` to generate the criterion by which
+     * the value is ranked. The iteratee is invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Math
+     * @param {Array} array The array to iterate over.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {*} Returns the maximum value.
+     * @example
+     *
+     * var objects = [{ 'n': 1 }, { 'n': 2 }];
+     *
+     * _.maxBy(objects, function(o) { return o.n; });
+     * // => { 'n': 2 }
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.maxBy(objects, 'n');
+     * // => { 'n': 2 }
+     */
+    function maxBy(array, iteratee) {
+      return (array && array.length)
+        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)
+        : undefined;
+    }
+
+    /**
+     * Computes the mean of the values in `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Math
+     * @param {Array} array The array to iterate over.
+     * @returns {number} Returns the mean.
+     * @example
+     *
+     * _.mean([4, 2, 8, 6]);
+     * // => 5
+     */
+    function mean(array) {
+      return baseMean(array, identity);
+    }
+
+    /**
+     * This method is like `_.mean` except that it accepts `iteratee` which is
+     * invoked for each element in `array` to generate the value to be averaged.
+     * The iteratee is invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.7.0
+     * @category Math
+     * @param {Array} array The array to iterate over.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {number} Returns the mean.
+     * @example
+     *
+     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];
+     *
+     * _.meanBy(objects, function(o) { return o.n; });
+     * // => 5
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.meanBy(objects, 'n');
+     * // => 5
+     */
+    function meanBy(array, iteratee) {
+      return baseMean(array, getIteratee(iteratee, 2));
+    }
+
+    /**
+     * Computes the minimum value of `array`. If `array` is empty or falsey,
+     * `undefined` is returned.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Math
+     * @param {Array} array The array to iterate over.
+     * @returns {*} Returns the minimum value.
+     * @example
+     *
+     * _.min([4, 2, 8, 6]);
+     * // => 2
+     *
+     * _.min([]);
+     * // => undefined
+     */
+    function min(array) {
+      return (array && array.length)
+        ? baseExtremum(array, identity, baseLt)
+        : undefined;
+    }
+
+    /**
+     * This method is like `_.min` except that it accepts `iteratee` which is
+     * invoked for each element in `array` to generate the criterion by which
+     * the value is ranked. The iteratee is invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Math
+     * @param {Array} array The array to iterate over.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {*} Returns the minimum value.
+     * @example
+     *
+     * var objects = [{ 'n': 1 }, { 'n': 2 }];
+     *
+     * _.minBy(objects, function(o) { return o.n; });
+     * // => { 'n': 1 }
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.minBy(objects, 'n');
+     * // => { 'n': 1 }
+     */
+    function minBy(array, iteratee) {
+      return (array && array.length)
+        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)
+        : undefined;
+    }
+
+    /**
+     * Multiply two numbers.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.7.0
+     * @category Math
+     * @param {number} multiplier The first number in a multiplication.
+     * @param {number} multiplicand The second number in a multiplication.
+     * @returns {number} Returns the product.
+     * @example
+     *
+     * _.multiply(6, 4);
+     * // => 24
+     */
+    var multiply = createMathOperation(function(multiplier, multiplicand) {
+      return multiplier * multiplicand;
+    }, 1);
+
+    /**
+     * Computes `number` rounded to `precision`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.10.0
+     * @category Math
+     * @param {number} number The number to round.
+     * @param {number} [precision=0] The precision to round to.
+     * @returns {number} Returns the rounded number.
+     * @example
+     *
+     * _.round(4.006);
+     * // => 4
+     *
+     * _.round(4.006, 2);
+     * // => 4.01
+     *
+     * _.round(4060, -2);
+     * // => 4100
+     */
+    var round = createRound('round');
+
+    /**
+     * Subtract two numbers.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Math
+     * @param {number} minuend The first number in a subtraction.
+     * @param {number} subtrahend The second number in a subtraction.
+     * @returns {number} Returns the difference.
+     * @example
+     *
+     * _.subtract(6, 4);
+     * // => 2
+     */
+    var subtract = createMathOperation(function(minuend, subtrahend) {
+      return minuend - subtrahend;
+    }, 0);
+
+    /**
+     * Computes the sum of the values in `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.4.0
+     * @category Math
+     * @param {Array} array The array to iterate over.
+     * @returns {number} Returns the sum.
+     * @example
+     *
+     * _.sum([4, 2, 8, 6]);
+     * // => 20
+     */
+    function sum(array) {
+      return (array && array.length)
+        ? baseSum(array, identity)
+        : 0;
+    }
+
+    /**
+     * This method is like `_.sum` except that it accepts `iteratee` which is
+     * invoked for each element in `array` to generate the value to be summed.
+     * The iteratee is invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Math
+     * @param {Array} array The array to iterate over.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {number} Returns the sum.
+     * @example
+     *
+     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];
+     *
+     * _.sumBy(objects, function(o) { return o.n; });
+     * // => 20
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.sumBy(objects, 'n');
+     * // => 20
+     */
+    function sumBy(array, iteratee) {
+      return (array && array.length)
+        ? baseSum(array, getIteratee(iteratee, 2))
+        : 0;
+    }
+
+    /*------------------------------------------------------------------------*/
+
+    // Add methods that return wrapped values in chain sequences.
+    lodash.after = after;
+    lodash.ary = ary;
+    lodash.assign = assign;
+    lodash.assignIn = assignIn;
+    lodash.assignInWith = assignInWith;
+    lodash.assignWith = assignWith;
+    lodash.at = at;
+    lodash.before = before;
+    lodash.bind = bind;
+    lodash.bindAll = bindAll;
+    lodash.bindKey = bindKey;
+    lodash.castArray = castArray;
+    lodash.chain = chain;
+    lodash.chunk = chunk;
+    lodash.compact = compact;
+    lodash.concat = concat;
+    lodash.cond = cond;
+    lodash.conforms = conforms;
+    lodash.constant = constant;
+    lodash.countBy = countBy;
+    lodash.create = create;
+    lodash.curry = curry;
+    lodash.curryRight = curryRight;
+    lodash.debounce = debounce;
+    lodash.defaults = defaults;
+    lodash.defaultsDeep = defaultsDeep;
+    lodash.defer = defer;
+    lodash.delay = delay;
+    lodash.difference = difference;
+    lodash.differenceBy = differenceBy;
+    lodash.differenceWith = differenceWith;
+    lodash.drop = drop;
+    lodash.dropRight = dropRight;
+    lodash.dropRightWhile = dropRightWhile;
+    lodash.dropWhile = dropWhile;
+    lodash.fill = fill;
+    lodash.filter = filter;
+    lodash.flatMap = flatMap;
+    lodash.flatMapDeep = flatMapDeep;
+    lodash.flatMapDepth = flatMapDepth;
+    lodash.flatten = flatten;
+    lodash.flattenDeep = flattenDeep;
+    lodash.flattenDepth = flattenDepth;
+    lodash.flip = flip;
+    lodash.flow = flow;
+    lodash.flowRight = flowRight;
+    lodash.fromPairs = fromPairs;
+    lodash.functions = functions;
+    lodash.functionsIn = functionsIn;
+    lodash.groupBy = groupBy;
+    lodash.initial = initial;
+    lodash.intersection = intersection;
+    lodash.intersectionBy = intersectionBy;
+    lodash.intersectionWith = intersectionWith;
+    lodash.invert = invert;
+    lodash.invertBy = invertBy;
+    lodash.invokeMap = invokeMap;
+    lodash.iteratee = iteratee;
+    lodash.keyBy = keyBy;
+    lodash.keys = keys;
+    lodash.keysIn = keysIn;
+    lodash.map = map;
+    lodash.mapKeys = mapKeys;
+    lodash.mapValues = mapValues;
+    lodash.matches = matches;
+    lodash.matchesProperty = matchesProperty;
+    lodash.memoize = memoize;
+    lodash.merge = merge;
+    lodash.mergeWith = mergeWith;
+    lodash.method = method;
+    lodash.methodOf = methodOf;
+    lodash.mixin = mixin;
+    lodash.negate = negate;
+    lodash.nthArg = nthArg;
+    lodash.omit = omit;
+    lodash.omitBy = omitBy;
+    lodash.once = once;
+    lodash.orderBy = orderBy;
+    lodash.over = over;
+    lodash.overArgs = overArgs;
+    lodash.overEvery = overEvery;
+    lodash.overSome = overSome;
+    lodash.partial = partial;
+    lodash.partialRight = partialRight;
+    lodash.partition = partition;
+    lodash.pick = pick;
+    lodash.pickBy = pickBy;
+    lodash.property = property;
+    lodash.propertyOf = propertyOf;
+    lodash.pull = pull;
+    lodash.pullAll = pullAll;
+    lodash.pullAllBy = pullAllBy;
+    lodash.pullAllWith = pullAllWith;
+    lodash.pullAt = pullAt;
+    lodash.range = range;
+    lodash.rangeRight = rangeRight;
+    lodash.rearg = rearg;
+    lodash.reject = reject;
+    lodash.remove = remove;
+    lodash.rest = rest;
+    lodash.reverse = reverse;
+    lodash.sampleSize = sampleSize;
+    lodash.set = set;
+    lodash.setWith = setWith;
+    lodash.shuffle = shuffle;
+    lodash.slice = slice;
+    lodash.sortBy = sortBy;
+    lodash.sortedUniq = sortedUniq;
+    lodash.sortedUniqBy = sortedUniqBy;
+    lodash.split = split;
+    lodash.spread = spread;
+    lodash.tail = tail;
+    lodash.take = take;
+    lodash.takeRight = takeRight;
+    lodash.takeRightWhile = takeRightWhile;
+    lodash.takeWhile = takeWhile;
+    lodash.tap = tap;
+    lodash.throttle = throttle;
+    lodash.thru = thru;
+    lodash.toArray = toArray;
+    lodash.toPairs = toPairs;
+    lodash.toPairsIn = toPairsIn;
+    lodash.toPath = toPath;
+    lodash.toPlainObject = toPlainObject;
+    lodash.transform = transform;
+    lodash.unary = unary;
+    lodash.union = union;
+    lodash.unionBy = unionBy;
+    lodash.unionWith = unionWith;
+    lodash.uniq = uniq;
+    lodash.uniqBy = uniqBy;
+    lodash.uniqWith = uniqWith;
+    lodash.unset = unset;
+    lodash.unzip = unzip;
+    lodash.unzipWith = unzipWith;
+    lodash.update = update;
+    lodash.updateWith = updateWith;
+    lodash.values = values;
+    lodash.valuesIn = valuesIn;
+    lodash.without = without;
+    lodash.words = words;
+    lodash.wrap = wrap;
+    lodash.xor = xor;
+    lodash.xorBy = xorBy;
+    lodash.xorWith = xorWith;
+    lodash.zip = zip;
+    lodash.zipObject = zipObject;
+    lodash.zipObjectDeep = zipObjectDeep;
+    lodash.zipWith = zipWith;
+
+    // Add aliases.
+    lodash.entries = toPairs;
+    lodash.entriesIn = toPairsIn;
+    lodash.extend = assignIn;
+    lodash.extendWith = assignInWith;
+
+    // Add methods to `lodash.prototype`.
+    mixin(lodash, lodash);
+
+    /*------------------------------------------------------------------------*/
+
+    // Add methods that return unwrapped values in chain sequences.
+    lodash.add = add;
+    lodash.attempt = attempt;
+    lodash.camelCase = camelCase;
+    lodash.capitalize = capitalize;
+    lodash.ceil = ceil;
+    lodash.clamp = clamp;
+    lodash.clone = clone;
+    lodash.cloneDeep = cloneDeep;
+    lodash.cloneDeepWith = cloneDeepWith;
+    lodash.cloneWith = cloneWith;
+    lodash.conformsTo = conformsTo;
+    lodash.deburr = deburr;
+    lodash.defaultTo = defaultTo;
+    lodash.divide = divide;
+    lodash.endsWith = endsWith;
+    lodash.eq = eq;
+    lodash.escape = escape;
+    lodash.escapeRegExp = escapeRegExp;
+    lodash.every = every;
+    lodash.find = find;
+    lodash.findIndex = findIndex;
+    lodash.findKey = findKey;
+    lodash.findLast = findLast;
+    lodash.findLastIndex = findLastIndex;
+    lodash.findLastKey = findLastKey;
+    lodash.floor = floor;
+    lodash.forEach = forEach;
+    lodash.forEachRight = forEachRight;
+    lodash.forIn = forIn;
+    lodash.forInRight = forInRight;
+    lodash.forOwn = forOwn;
+    lodash.forOwnRight = forOwnRight;
+    lodash.get = get;
+    lodash.gt = gt;
+    lodash.gte = gte;
+    lodash.has = has;
+    lodash.hasIn = hasIn;
+    lodash.head = head;
+    lodash.identity = identity;
+    lodash.includes = includes;
+    lodash.indexOf = indexOf;
+    lodash.inRange = inRange;
+    lodash.invoke = invoke;
+    lodash.isArguments = isArguments;
+    lodash.isArray = isArray;
+    lodash.isArrayBuffer = isArrayBuffer;
+    lodash.isArrayLike = isArrayLike;
+    lodash.isArrayLikeObject = isArrayLikeObject;
+    lodash.isBoolean = isBoolean;
+    lodash.isBuffer = isBuffer;
+    lodash.isDate = isDate;
+    lodash.isElement = isElement;
+    lodash.isEmpty = isEmpty;
+    lodash.isEqual = isEqual;
+    lodash.isEqualWith = isEqualWith;
+    lodash.isError = isError;
+    lodash.isFinite = isFinite;
+    lodash.isFunction = isFunction;
+    lodash.isInteger = isInteger;
+    lodash.isLength = isLength;
+    lodash.isMap = isMap;
+    lodash.isMatch = isMatch;
+    lodash.isMatchWith = isMatchWith;
+    lodash.isNaN = isNaN;
+    lodash.isNative = isNative;
+    lodash.isNil = isNil;
+    lodash.isNull = isNull;
+    lodash.isNumber = isNumber;
+    lodash.isObject = isObject;
+    lodash.isObjectLike = isObjectLike;
+    lodash.isPlainObject = isPlainObject;
+    lodash.isRegExp = isRegExp;
+    lodash.isSafeInteger = isSafeInteger;
+    lodash.isSet = isSet;
+    lodash.isString = isString;
+    lodash.isSymbol = isSymbol;
+    lodash.isTypedArray = isTypedArray;
+    lodash.isUndefined = isUndefined;
+    lodash.isWeakMap = isWeakMap;
+    lodash.isWeakSet = isWeakSet;
+    lodash.join = join;
+    lodash.kebabCase = kebabCase;
+    lodash.last = last;
+    lodash.lastIndexOf = lastIndexOf;
+    lodash.lowerCase = lowerCase;
+    lodash.lowerFirst = lowerFirst;
+    lodash.lt = lt;
+    lodash.lte = lte;
+    lodash.max = max;
+    lodash.maxBy = maxBy;
+    lodash.mean = mean;
+    lodash.meanBy = meanBy;
+    lodash.min = min;
+    lodash.minBy = minBy;
+    lodash.stubArray = stubArray;
+    lodash.stubFalse = stubFalse;
+    lodash.stubObject = stubObject;
+    lodash.stubString = stubString;
+    lodash.stubTrue = stubTrue;
+    lodash.multiply = multiply;
+    lodash.nth = nth;
+    lodash.noConflict = noConflict;
+    lodash.noop = noop;
+    lodash.now = now;
+    lodash.pad = pad;
+    lodash.padEnd = padEnd;
+    lodash.padStart = padStart;
+    lodash.parseInt = parseInt;
+    lodash.random = random;
+    lodash.reduce = reduce;
+    lodash.reduceRight = reduceRight;
+    lodash.repeat = repeat;
+    lodash.replace = replace;
+    lodash.result = result;
+    lodash.round = round;
+    lodash.runInContext = runInContext;
+    lodash.sample = sample;
+    lodash.size = size;
+    lodash.snakeCase = snakeCase;
+    lodash.some = some;
+    lodash.sortedIndex = sortedIndex;
+    lodash.sortedIndexBy = sortedIndexBy;
+    lodash.sortedIndexOf = sortedIndexOf;
+    lodash.sortedLastIndex = sortedLastIndex;
+    lodash.sortedLastIndexBy = sortedLastIndexBy;
+    lodash.sortedLastIndexOf = sortedLastIndexOf;
+    lodash.startCase = startCase;
+    lodash.startsWith = startsWith;
+    lodash.subtract = subtract;
+    lodash.sum = sum;
+    lodash.sumBy = sumBy;
+    lodash.template = template;
+    lodash.times = times;
+    lodash.toFinite = toFinite;
+    lodash.toInteger = toInteger;
+    lodash.toLength = toLength;
+    lodash.toLower = toLower;
+    lodash.toNumber = toNumber;
+    lodash.toSafeInteger = toSafeInteger;
+    lodash.toString = toString;
+    lodash.toUpper = toUpper;
+    lodash.trim = trim;
+    lodash.trimEnd = trimEnd;
+    lodash.trimStart = trimStart;
+    lodash.truncate = truncate;
+    lodash.unescape = unescape;
+    lodash.uniqueId = uniqueId;
+    lodash.upperCase = upperCase;
+    lodash.upperFirst = upperFirst;
+
+    // Add aliases.
+    lodash.each = forEach;
+    lodash.eachRight = forEachRight;
+    lodash.first = head;
+
+    mixin(lodash, (function() {
+      var source = {};
+      baseForOwn(lodash, function(func, methodName) {
+        if (!hasOwnProperty.call(lodash.prototype, methodName)) {
+          source[methodName] = func;
+        }
+      });
+      return source;
+    }()), { 'chain': false });
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * The semantic version number.
+     *
+     * @static
+     * @memberOf _
+     * @type {string}
+     */
+    lodash.VERSION = VERSION;
+
+    // Assign default placeholders.
+    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {
+      lodash[methodName].placeholder = lodash;
+    });
+
+    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.
+    arrayEach(['drop', 'take'], function(methodName, index) {
+      LazyWrapper.prototype[methodName] = function(n) {
+        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);
+
+        var result = (this.__filtered__ && !index)
+          ? new LazyWrapper(this)
+          : this.clone();
+
+        if (result.__filtered__) {
+          result.__takeCount__ = nativeMin(n, result.__takeCount__);
+        } else {
+          result.__views__.push({
+            'size': nativeMin(n, MAX_ARRAY_LENGTH),
+            'type': methodName + (result.__dir__ < 0 ? 'Right' : '')
+          });
+        }
+        return result;
+      };
+
+      LazyWrapper.prototype[methodName + 'Right'] = function(n) {
+        return this.reverse()[methodName](n).reverse();
+      };
+    });
+
+    // Add `LazyWrapper` methods that accept an `iteratee` value.
+    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {
+      var type = index + 1,
+          isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;
+
+      LazyWrapper.prototype[methodName] = function(iteratee) {
+        var result = this.clone();
+        result.__iteratees__.push({
+          'iteratee': getIteratee(iteratee, 3),
+          'type': type
+        });
+        result.__filtered__ = result.__filtered__ || isFilter;
+        return result;
+      };
+    });
+
+    // Add `LazyWrapper` methods for `_.head` and `_.last`.
+    arrayEach(['head', 'last'], function(methodName, index) {
+      var takeName = 'take' + (index ? 'Right' : '');
+
+      LazyWrapper.prototype[methodName] = function() {
+        return this[takeName](1).value()[0];
+      };
+    });
+
+    // Add `LazyWrapper` methods for `_.initial` and `_.tail`.
+    arrayEach(['initial', 'tail'], function(methodName, index) {
+      var dropName = 'drop' + (index ? '' : 'Right');
+
+      LazyWrapper.prototype[methodName] = function() {
+        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);
+      };
+    });
+
+    LazyWrapper.prototype.compact = function() {
+      return this.filter(identity);
+    };
+
+    LazyWrapper.prototype.find = function(predicate) {
+      return this.filter(predicate).head();
+    };
+
+    LazyWrapper.prototype.findLast = function(predicate) {
+      return this.reverse().find(predicate);
+    };
+
+    LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {
+      if (typeof path == 'function') {
+        return new LazyWrapper(this);
+      }
+      return this.map(function(value) {
+        return baseInvoke(value, path, args);
+      });
+    });
+
+    LazyWrapper.prototype.reject = function(predicate) {
+      return this.filter(negate(getIteratee(predicate)));
+    };
+
+    LazyWrapper.prototype.slice = function(start, end) {
+      start = toInteger(start);
+
+      var result = this;
+      if (result.__filtered__ && (start > 0 || end < 0)) {
+        return new LazyWrapper(result);
+      }
+      if (start < 0) {
+        result = result.takeRight(-start);
+      } else if (start) {
+        result = result.drop(start);
+      }
+      if (end !== undefined) {
+        end = toInteger(end);
+        result = end < 0 ? result.dropRight(-end) : result.take(end - start);
+      }
+      return result;
+    };
+
+    LazyWrapper.prototype.takeRightWhile = function(predicate) {
+      return this.reverse().takeWhile(predicate).reverse();
+    };
+
+    LazyWrapper.prototype.toArray = function() {
+      return this.take(MAX_ARRAY_LENGTH);
+    };
+
+    // Add `LazyWrapper` methods to `lodash.prototype`.
+    baseForOwn(LazyWrapper.prototype, function(func, methodName) {
+      var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),
+          isTaker = /^(?:head|last)$/.test(methodName),
+          lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],
+          retUnwrapped = isTaker || /^find/.test(methodName);
+
+      if (!lodashFunc) {
+        return;
+      }
+      lodash.prototype[methodName] = function() {
+        var value = this.__wrapped__,
+            args = isTaker ? [1] : arguments,
+            isLazy = value instanceof LazyWrapper,
+            iteratee = args[0],
+            useLazy = isLazy || isArray(value);
+
+        var interceptor = function(value) {
+          var result = lodashFunc.apply(lodash, arrayPush([value], args));
+          return (isTaker && chainAll) ? result[0] : result;
+        };
+
+        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {
+          // Avoid lazy use if the iteratee has a "length" value other than `1`.
+          isLazy = useLazy = false;
+        }
+        var chainAll = this.__chain__,
+            isHybrid = !!this.__actions__.length,
+            isUnwrapped = retUnwrapped && !chainAll,
+            onlyLazy = isLazy && !isHybrid;
+
+        if (!retUnwrapped && useLazy) {
+          value = onlyLazy ? value : new LazyWrapper(this);
+          var result = func.apply(value, args);
+          result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });
+          return new LodashWrapper(result, chainAll);
+        }
+        if (isUnwrapped && onlyLazy) {
+          return func.apply(this, args);
+        }
+        result = this.thru(interceptor);
+        return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;
+      };
+    });
+
+    // Add `Array` methods to `lodash.prototype`.
+    arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {
+      var func = arrayProto[methodName],
+          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',
+          retUnwrapped = /^(?:pop|shift)$/.test(methodName);
+
+      lodash.prototype[methodName] = function() {
+        var args = arguments;
+        if (retUnwrapped && !this.__chain__) {
+          var value = this.value();
+          return func.apply(isArray(value) ? value : [], args);
+        }
+        return this[chainName](function(value) {
+          return func.apply(isArray(value) ? value : [], args);
+        });
+      };
+    });
+
+    // Map minified method names to their real names.
+    baseForOwn(LazyWrapper.prototype, function(func, methodName) {
+      var lodashFunc = lodash[methodName];
+      if (lodashFunc) {
+        var key = (lodashFunc.name + ''),
+            names = realNames[key] || (realNames[key] = []);
+
+        names.push({ 'name': methodName, 'func': lodashFunc });
+      }
+    });
+
+    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{
+      'name': 'wrapper',
+      'func': undefined
+    }];
+
+    // Add methods to `LazyWrapper`.
+    LazyWrapper.prototype.clone = lazyClone;
+    LazyWrapper.prototype.reverse = lazyReverse;
+    LazyWrapper.prototype.value = lazyValue;
+
+    // Add chain sequence methods to the `lodash` wrapper.
+    lodash.prototype.at = wrapperAt;
+    lodash.prototype.chain = wrapperChain;
+    lodash.prototype.commit = wrapperCommit;
+    lodash.prototype.next = wrapperNext;
+    lodash.prototype.plant = wrapperPlant;
+    lodash.prototype.reverse = wrapperReverse;
+    lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;
+
+    // Add lazy aliases.
+    lodash.prototype.first = lodash.prototype.head;
+
+    if (symIterator) {
+      lodash.prototype[symIterator] = wrapperToIterator;
+    }
+    return lodash;
+  });
+
+  /*--------------------------------------------------------------------------*/
+
+  // Export lodash.
+  var _ = runInContext();
+
+  // Some AMD build optimizers, like r.js, check for condition patterns like:
+  if (typeof define == 'function' && typeof define.amd == 'object' && define.amd) {
+    // Expose Lodash on the global object to prevent errors when Lodash is
+    // loaded by a script tag in the presence of an AMD loader.
+    // See http://requirejs.org/docs/errors.html#mismatch for more details.
+    // Use `_.noConflict` to remove Lodash from the global object.
+    root._ = _;
+
+    // Define as an anonymous module so, through path mapping, it can be
+    // referenced as the "underscore" module.
+    define(function() {
+      return _;
+    });
+  }
+  // Check for `exports` after `define` in case a build optimizer adds it.
+  else if (freeModule) {
+    // Export for Node.js.
+    (freeModule.exports = _)._ = _;
+    // Export for CommonJS support.
+    freeExports._ = _;
+  }
+  else {
+    // Export to the global object.
+    root._ = _;
+  }
+}.call(this));
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}],149:[function(require,module,exports){
+(function (Buffer){
+'use strict'
+var inherits = require('inherits')
+var HashBase = require('hash-base')
+
+var ARRAY16 = new Array(16)
+
+function MD5 () {
+  HashBase.call(this, 64)
+
+  // state
+  this._a = 0x67452301
+  this._b = 0xefcdab89
+  this._c = 0x98badcfe
+  this._d = 0x10325476
+}
+
+inherits(MD5, HashBase)
+
+MD5.prototype._update = function () {
+  var M = ARRAY16
+  for (var i = 0; i < 16; ++i) M[i] = this._block.readInt32LE(i * 4)
+
+  var a = this._a
+  var b = this._b
+  var c = this._c
+  var d = this._d
+
+  a = fnF(a, b, c, d, M[0], 0xd76aa478, 7)
+  d = fnF(d, a, b, c, M[1], 0xe8c7b756, 12)
+  c = fnF(c, d, a, b, M[2], 0x242070db, 17)
+  b = fnF(b, c, d, a, M[3], 0xc1bdceee, 22)
+  a = fnF(a, b, c, d, M[4], 0xf57c0faf, 7)
+  d = fnF(d, a, b, c, M[5], 0x4787c62a, 12)
+  c = fnF(c, d, a, b, M[6], 0xa8304613, 17)
+  b = fnF(b, c, d, a, M[7], 0xfd469501, 22)
+  a = fnF(a, b, c, d, M[8], 0x698098d8, 7)
+  d = fnF(d, a, b, c, M[9], 0x8b44f7af, 12)
+  c = fnF(c, d, a, b, M[10], 0xffff5bb1, 17)
+  b = fnF(b, c, d, a, M[11], 0x895cd7be, 22)
+  a = fnF(a, b, c, d, M[12], 0x6b901122, 7)
+  d = fnF(d, a, b, c, M[13], 0xfd987193, 12)
+  c = fnF(c, d, a, b, M[14], 0xa679438e, 17)
+  b = fnF(b, c, d, a, M[15], 0x49b40821, 22)
+
+  a = fnG(a, b, c, d, M[1], 0xf61e2562, 5)
+  d = fnG(d, a, b, c, M[6], 0xc040b340, 9)
+  c = fnG(c, d, a, b, M[11], 0x265e5a51, 14)
+  b = fnG(b, c, d, a, M[0], 0xe9b6c7aa, 20)
+  a = fnG(a, b, c, d, M[5], 0xd62f105d, 5)
+  d = fnG(d, a, b, c, M[10], 0x02441453, 9)
+  c = fnG(c, d, a, b, M[15], 0xd8a1e681, 14)
+  b = fnG(b, c, d, a, M[4], 0xe7d3fbc8, 20)
+  a = fnG(a, b, c, d, M[9], 0x21e1cde6, 5)
+  d = fnG(d, a, b, c, M[14], 0xc33707d6, 9)
+  c = fnG(c, d, a, b, M[3], 0xf4d50d87, 14)
+  b = fnG(b, c, d, a, M[8], 0x455a14ed, 20)
+  a = fnG(a, b, c, d, M[13], 0xa9e3e905, 5)
+  d = fnG(d, a, b, c, M[2], 0xfcefa3f8, 9)
+  c = fnG(c, d, a, b, M[7], 0x676f02d9, 14)
+  b = fnG(b, c, d, a, M[12], 0x8d2a4c8a, 20)
+
+  a = fnH(a, b, c, d, M[5], 0xfffa3942, 4)
+  d = fnH(d, a, b, c, M[8], 0x8771f681, 11)
+  c = fnH(c, d, a, b, M[11], 0x6d9d6122, 16)
+  b = fnH(b, c, d, a, M[14], 0xfde5380c, 23)
+  a = fnH(a, b, c, d, M[1], 0xa4beea44, 4)
+  d = fnH(d, a, b, c, M[4], 0x4bdecfa9, 11)
+  c = fnH(c, d, a, b, M[7], 0xf6bb4b60, 16)
+  b = fnH(b, c, d, a, M[10], 0xbebfbc70, 23)
+  a = fnH(a, b, c, d, M[13], 0x289b7ec6, 4)
+  d = fnH(d, a, b, c, M[0], 0xeaa127fa, 11)
+  c = fnH(c, d, a, b, M[3], 0xd4ef3085, 16)
+  b = fnH(b, c, d, a, M[6], 0x04881d05, 23)
+  a = fnH(a, b, c, d, M[9], 0xd9d4d039, 4)
+  d = fnH(d, a, b, c, M[12], 0xe6db99e5, 11)
+  c = fnH(c, d, a, b, M[15], 0x1fa27cf8, 16)
+  b = fnH(b, c, d, a, M[2], 0xc4ac5665, 23)
+
+  a = fnI(a, b, c, d, M[0], 0xf4292244, 6)
+  d = fnI(d, a, b, c, M[7], 0x432aff97, 10)
+  c = fnI(c, d, a, b, M[14], 0xab9423a7, 15)
+  b = fnI(b, c, d, a, M[5], 0xfc93a039, 21)
+  a = fnI(a, b, c, d, M[12], 0x655b59c3, 6)
+  d = fnI(d, a, b, c, M[3], 0x8f0ccc92, 10)
+  c = fnI(c, d, a, b, M[10], 0xffeff47d, 15)
+  b = fnI(b, c, d, a, M[1], 0x85845dd1, 21)
+  a = fnI(a, b, c, d, M[8], 0x6fa87e4f, 6)
+  d = fnI(d, a, b, c, M[15], 0xfe2ce6e0, 10)
+  c = fnI(c, d, a, b, M[6], 0xa3014314, 15)
+  b = fnI(b, c, d, a, M[13], 0x4e0811a1, 21)
+  a = fnI(a, b, c, d, M[4], 0xf7537e82, 6)
+  d = fnI(d, a, b, c, M[11], 0xbd3af235, 10)
+  c = fnI(c, d, a, b, M[2], 0x2ad7d2bb, 15)
+  b = fnI(b, c, d, a, M[9], 0xeb86d391, 21)
+
+  this._a = (this._a + a) | 0
+  this._b = (this._b + b) | 0
+  this._c = (this._c + c) | 0
+  this._d = (this._d + d) | 0
+}
+
+MD5.prototype._digest = function () {
+  // create padding and handle blocks
+  this._block[this._blockOffset++] = 0x80
+  if (this._blockOffset > 56) {
+    this._block.fill(0, this._blockOffset, 64)
+    this._update()
+    this._blockOffset = 0
+  }
+
+  this._block.fill(0, this._blockOffset, 56)
+  this._block.writeUInt32LE(this._length[0], 56)
+  this._block.writeUInt32LE(this._length[1], 60)
+  this._update()
+
+  // produce result
+  var buffer = new Buffer(16)
+  buffer.writeInt32LE(this._a, 0)
+  buffer.writeInt32LE(this._b, 4)
+  buffer.writeInt32LE(this._c, 8)
+  buffer.writeInt32LE(this._d, 12)
+  return buffer
+}
+
+function rotl (x, n) {
+  return (x << n) | (x >>> (32 - n))
+}
+
+function fnF (a, b, c, d, m, k, s) {
+  return (rotl((a + ((b & c) | ((~b) & d)) + m + k) | 0, s) + b) | 0
+}
+
+function fnG (a, b, c, d, m, k, s) {
+  return (rotl((a + ((b & d) | (c & (~d))) + m + k) | 0, s) + b) | 0
+}
+
+function fnH (a, b, c, d, m, k, s) {
+  return (rotl((a + (b ^ c ^ d) + m + k) | 0, s) + b) | 0
+}
+
+function fnI (a, b, c, d, m, k, s) {
+  return (rotl((a + ((c ^ (b | (~d)))) + m + k) | 0, s) + b) | 0
+}
+
+module.exports = MD5
+
+}).call(this,require("buffer").Buffer)
+},{"buffer":70,"hash-base":150,"inherits":145}],150:[function(require,module,exports){
+'use strict'
+var Buffer = require('safe-buffer').Buffer
+var Transform = require('stream').Transform
+var inherits = require('inherits')
+
+function throwIfNotStringOrBuffer (val, prefix) {
+  if (!Buffer.isBuffer(val) && typeof val !== 'string') {
+    throw new TypeError(prefix + ' must be a string or a buffer')
+  }
+}
+
+function HashBase (blockSize) {
+  Transform.call(this)
+
+  this._block = Buffer.allocUnsafe(blockSize)
+  this._blockSize = blockSize
+  this._blockOffset = 0
+  this._length = [0, 0, 0, 0]
+
+  this._finalized = false
+}
+
+inherits(HashBase, Transform)
+
+HashBase.prototype._transform = function (chunk, encoding, callback) {
+  var error = null
+  try {
+    this.update(chunk, encoding)
+  } catch (err) {
+    error = err
+  }
+
+  callback(error)
+}
+
+HashBase.prototype._flush = function (callback) {
+  var error = null
+  try {
+    this.push(this.digest())
+  } catch (err) {
+    error = err
+  }
+
+  callback(error)
+}
+
+HashBase.prototype.update = function (data, encoding) {
+  throwIfNotStringOrBuffer(data, 'Data')
+  if (this._finalized) throw new Error('Digest already called')
+  if (!Buffer.isBuffer(data)) data = Buffer.from(data, encoding)
+
+  // consume data
+  var block = this._block
+  var offset = 0
+  while (this._blockOffset + data.length - offset >= this._blockSize) {
+    for (var i = this._blockOffset; i < this._blockSize;) block[i++] = data[offset++]
+    this._update()
+    this._blockOffset = 0
+  }
+  while (offset < data.length) block[this._blockOffset++] = data[offset++]
+
+  // update length
+  for (var j = 0, carry = data.length * 8; carry > 0; ++j) {
+    this._length[j] += carry
+    carry = (this._length[j] / 0x0100000000) | 0
+    if (carry > 0) this._length[j] -= 0x0100000000 * carry
+  }
+
+  return this
+}
+
+HashBase.prototype._update = function () {
+  throw new Error('_update is not implemented')
+}
+
+HashBase.prototype.digest = function (encoding) {
+  if (this._finalized) throw new Error('Digest already called')
+  this._finalized = true
+
+  var digest = this._digest()
+  if (encoding !== undefined) digest = digest.toString(encoding)
+
+  // reset state
+  this._block.fill(0)
+  this._blockOffset = 0
+  for (var i = 0; i < 4; ++i) this._length[i] = 0
+
+  return digest
+}
+
+HashBase.prototype._digest = function () {
+  throw new Error('_digest is not implemented')
+}
+
+module.exports = HashBase
+
+},{"inherits":145,"safe-buffer":195,"stream":204}],151:[function(require,module,exports){
+var bn = require('bn.js');
+var brorand = require('brorand');
+
+function MillerRabin(rand) {
+  this.rand = rand || new brorand.Rand();
+}
+module.exports = MillerRabin;
+
+MillerRabin.create = function create(rand) {
+  return new MillerRabin(rand);
+};
+
+MillerRabin.prototype._randbelow = function _randbelow(n) {
+  var len = n.bitLength();
+  var min_bytes = Math.ceil(len / 8);
+
+  // Generage random bytes until a number less than n is found.
+  // This ensures that 0..n-1 have an equal probability of being selected.
+  do
+    var a = new bn(this.rand.generate(min_bytes));
+  while (a.cmp(n) >= 0);
+
+  return a;
+};
+
+MillerRabin.prototype._randrange = function _randrange(start, stop) {
+  // Generate a random number greater than or equal to start and less than stop.
+  var size = stop.sub(start);
+  return start.add(this._randbelow(size));
+};
+
+MillerRabin.prototype.test = function test(n, k, cb) {
+  var len = n.bitLength();
+  var red = bn.mont(n);
+  var rone = new bn(1).toRed(red);
+
+  if (!k)
+    k = Math.max(1, (len / 48) | 0);
+
+  // Find d and s, (n - 1) = (2 ^ s) * d;
+  var n1 = n.subn(1);
+  for (var s = 0; !n1.testn(s); s++) {}
+  var d = n.shrn(s);
+
+  var rn1 = n1.toRed(red);
+
+  var prime = true;
+  for (; k > 0; k--) {
+    var a = this._randrange(new bn(2), n1);
+    if (cb)
+      cb(a);
+
+    var x = a.toRed(red).redPow(d);
+    if (x.cmp(rone) === 0 || x.cmp(rn1) === 0)
+      continue;
+
+    for (var i = 1; i < s; i++) {
+      x = x.redSqr();
+
+      if (x.cmp(rone) === 0)
+        return false;
+      if (x.cmp(rn1) === 0)
+        break;
+    }
+
+    if (i === s)
+      return false;
+  }
+
+  return prime;
+};
+
+MillerRabin.prototype.getDivisor = function getDivisor(n, k) {
+  var len = n.bitLength();
+  var red = bn.mont(n);
+  var rone = new bn(1).toRed(red);
+
+  if (!k)
+    k = Math.max(1, (len / 48) | 0);
+
+  // Find d and s, (n - 1) = (2 ^ s) * d;
+  var n1 = n.subn(1);
+  for (var s = 0; !n1.testn(s); s++) {}
+  var d = n.shrn(s);
+
+  var rn1 = n1.toRed(red);
+
+  for (; k > 0; k--) {
+    var a = this._randrange(new bn(2), n1);
+
+    var g = n.gcd(a);
+    if (g.cmpn(1) !== 0)
+      return g;
+
+    var x = a.toRed(red).redPow(d);
+    if (x.cmp(rone) === 0 || x.cmp(rn1) === 0)
+      continue;
+
+    for (var i = 1; i < s; i++) {
+      x = x.redSqr();
+
+      if (x.cmp(rone) === 0)
+        return x.fromRed().subn(1).gcd(n);
+      if (x.cmp(rn1) === 0)
+        break;
+    }
+
+    if (i === s) {
+      x = x.redSqr();
+      return x.fromRed().subn(1).gcd(n);
+    }
+  }
+
+  return false;
+};
+
+},{"bn.js":152,"brorand":20}],152:[function(require,module,exports){
+arguments[4][15][0].apply(exports,arguments)
+},{"buffer":21,"dup":15}],153:[function(require,module,exports){
+module.exports = assert;
+
+function assert(val, msg) {
+  if (!val)
+    throw new Error(msg || 'Assertion failed');
+}
+
+assert.equal = function assertEqual(l, r, msg) {
+  if (l != r)
+    throw new Error(msg || ('Assertion failed: ' + l + ' != ' + r));
+};
+
+},{}],154:[function(require,module,exports){
+'use strict';
+
+var utils = exports;
+
+function toArray(msg, enc) {
+  if (Array.isArray(msg))
+    return msg.slice();
+  if (!msg)
+    return [];
+  var res = [];
+  if (typeof msg !== 'string') {
+    for (var i = 0; i < msg.length; i++)
+      res[i] = msg[i] | 0;
+    return res;
+  }
+  if (enc === 'hex') {
+    msg = msg.replace(/[^a-z0-9]+/ig, '');
+    if (msg.length % 2 !== 0)
+      msg = '0' + msg;
+    for (var i = 0; i < msg.length; i += 2)
+      res.push(parseInt(msg[i] + msg[i + 1], 16));
+  } else {
+    for (var i = 0; i < msg.length; i++) {
+      var c = msg.charCodeAt(i);
+      var hi = c >> 8;
+      var lo = c & 0xff;
+      if (hi)
+        res.push(hi, lo);
+      else
+        res.push(lo);
+    }
+  }
+  return res;
+}
+utils.toArray = toArray;
+
+function zero2(word) {
+  if (word.length === 1)
+    return '0' + word;
+  else
+    return word;
+}
+utils.zero2 = zero2;
+
+function toHex(msg) {
+  var res = '';
+  for (var i = 0; i < msg.length; i++)
+    res += zero2(msg[i].toString(16));
+  return res;
+}
+utils.toHex = toHex;
+
+utils.encode = function encode(arr, enc) {
+  if (enc === 'hex')
+    return toHex(arr);
+  else
+    return arr;
+};
+
+},{}],155:[function(require,module,exports){
+module.exports={"2.16.840.1.101.3.4.1.1": "aes-128-ecb",
+"2.16.840.1.101.3.4.1.2": "aes-128-cbc",
+"2.16.840.1.101.3.4.1.3": "aes-128-ofb",
+"2.16.840.1.101.3.4.1.4": "aes-128-cfb",
+"2.16.840.1.101.3.4.1.21": "aes-192-ecb",
+"2.16.840.1.101.3.4.1.22": "aes-192-cbc",
+"2.16.840.1.101.3.4.1.23": "aes-192-ofb",
+"2.16.840.1.101.3.4.1.24": "aes-192-cfb",
+"2.16.840.1.101.3.4.1.41": "aes-256-ecb",
+"2.16.840.1.101.3.4.1.42": "aes-256-cbc",
+"2.16.840.1.101.3.4.1.43": "aes-256-ofb",
+"2.16.840.1.101.3.4.1.44": "aes-256-cfb"
+}
+},{}],156:[function(require,module,exports){
+// from https://github.com/indutny/self-signed/blob/gh-pages/lib/asn1.js
+// Fedor, you are amazing.
+'use strict'
+
+var asn1 = require('asn1.js')
+
+exports.certificate = require('./certificate')
+
+var RSAPrivateKey = asn1.define('RSAPrivateKey', function () {
+  this.seq().obj(
+    this.key('version').int(),
+    this.key('modulus').int(),
+    this.key('publicExponent').int(),
+    this.key('privateExponent').int(),
+    this.key('prime1').int(),
+    this.key('prime2').int(),
+    this.key('exponent1').int(),
+    this.key('exponent2').int(),
+    this.key('coefficient').int()
+  )
+})
+exports.RSAPrivateKey = RSAPrivateKey
+
+var RSAPublicKey = asn1.define('RSAPublicKey', function () {
+  this.seq().obj(
+    this.key('modulus').int(),
+    this.key('publicExponent').int()
+  )
+})
+exports.RSAPublicKey = RSAPublicKey
+
+var PublicKey = asn1.define('SubjectPublicKeyInfo', function () {
+  this.seq().obj(
+    this.key('algorithm').use(AlgorithmIdentifier),
+    this.key('subjectPublicKey').bitstr()
+  )
+})
+exports.PublicKey = PublicKey
+
+var AlgorithmIdentifier = asn1.define('AlgorithmIdentifier', function () {
+  this.seq().obj(
+    this.key('algorithm').objid(),
+    this.key('none').null_().optional(),
+    this.key('curve').objid().optional(),
+    this.key('params').seq().obj(
+      this.key('p').int(),
+      this.key('q').int(),
+      this.key('g').int()
+    ).optional()
+  )
+})
+
+var PrivateKeyInfo = asn1.define('PrivateKeyInfo', function () {
+  this.seq().obj(
+    this.key('version').int(),
+    this.key('algorithm').use(AlgorithmIdentifier),
+    this.key('subjectPrivateKey').octstr()
+  )
+})
+exports.PrivateKey = PrivateKeyInfo
+var EncryptedPrivateKeyInfo = asn1.define('EncryptedPrivateKeyInfo', function () {
+  this.seq().obj(
+    this.key('algorithm').seq().obj(
+      this.key('id').objid(),
+      this.key('decrypt').seq().obj(
+        this.key('kde').seq().obj(
+          this.key('id').objid(),
+          this.key('kdeparams').seq().obj(
+            this.key('salt').octstr(),
+            this.key('iters').int()
+          )
+        ),
+        this.key('cipher').seq().obj(
+          this.key('algo').objid(),
+          this.key('iv').octstr()
+        )
+      )
+    ),
+    this.key('subjectPrivateKey').octstr()
+  )
+})
+
+exports.EncryptedPrivateKey = EncryptedPrivateKeyInfo
+
+var DSAPrivateKey = asn1.define('DSAPrivateKey', function () {
+  this.seq().obj(
+    this.key('version').int(),
+    this.key('p').int(),
+    this.key('q').int(),
+    this.key('g').int(),
+    this.key('pub_key').int(),
+    this.key('priv_key').int()
+  )
+})
+exports.DSAPrivateKey = DSAPrivateKey
+
+exports.DSAparam = asn1.define('DSAparam', function () {
+  this.int()
+})
+
+var ECPrivateKey = asn1.define('ECPrivateKey', function () {
+  this.seq().obj(
+    this.key('version').int(),
+    this.key('privateKey').octstr(),
+    this.key('parameters').optional().explicit(0).use(ECParameters),
+    this.key('publicKey').optional().explicit(1).bitstr()
+  )
+})
+exports.ECPrivateKey = ECPrivateKey
+
+var ECParameters = asn1.define('ECParameters', function () {
+  this.choice({
+    namedCurve: this.objid()
+  })
+})
+
+exports.signature = asn1.define('signature', function () {
+  this.seq().obj(
+    this.key('r').int(),
+    this.key('s').int()
+  )
+})
+
+},{"./certificate":157,"asn1.js":1}],157:[function(require,module,exports){
+// from https://github.com/Rantanen/node-dtls/blob/25a7dc861bda38cfeac93a723500eea4f0ac2e86/Certificate.js
+// thanks to @Rantanen
+
+'use strict'
+
+var asn = require('asn1.js')
+
+var Time = asn.define('Time', function () {
+  this.choice({
+    utcTime: this.utctime(),
+    generalTime: this.gentime()
+  })
+})
+
+var AttributeTypeValue = asn.define('AttributeTypeValue', function () {
+  this.seq().obj(
+    this.key('type').objid(),
+    this.key('value').any()
+  )
+})
+
+var AlgorithmIdentifier = asn.define('AlgorithmIdentifier', function () {
+  this.seq().obj(
+    this.key('algorithm').objid(),
+    this.key('parameters').optional()
+  )
+})
+
+var SubjectPublicKeyInfo = asn.define('SubjectPublicKeyInfo', function () {
+  this.seq().obj(
+    this.key('algorithm').use(AlgorithmIdentifier),
+    this.key('subjectPublicKey').bitstr()
+  )
+})
+
+var RelativeDistinguishedName = asn.define('RelativeDistinguishedName', function () {
+  this.setof(AttributeTypeValue)
+})
+
+var RDNSequence = asn.define('RDNSequence', function () {
+  this.seqof(RelativeDistinguishedName)
+})
+
+var Name = asn.define('Name', function () {
+  this.choice({
+    rdnSequence: this.use(RDNSequence)
+  })
+})
+
+var Validity = asn.define('Validity', function () {
+  this.seq().obj(
+    this.key('notBefore').use(Time),
+    this.key('notAfter').use(Time)
+  )
+})
+
+var Extension = asn.define('Extension', function () {
+  this.seq().obj(
+    this.key('extnID').objid(),
+    this.key('critical').bool().def(false),
+    this.key('extnValue').octstr()
+  )
+})
+
+var TBSCertificate = asn.define('TBSCertificate', function () {
+  this.seq().obj(
+    this.key('version').explicit(0).int(),
+    this.key('serialNumber').int(),
+    this.key('signature').use(AlgorithmIdentifier),
+    this.key('issuer').use(Name),
+    this.key('validity').use(Validity),
+    this.key('subject').use(Name),
+    this.key('subjectPublicKeyInfo').use(SubjectPublicKeyInfo),
+    this.key('issuerUniqueID').implicit(1).bitstr().optional(),
+    this.key('subjectUniqueID').implicit(2).bitstr().optional(),
+    this.key('extensions').explicit(3).seqof(Extension).optional()
+  )
+})
+
+var X509Certificate = asn.define('X509Certificate', function () {
+  this.seq().obj(
+    this.key('tbsCertificate').use(TBSCertificate),
+    this.key('signatureAlgorithm').use(AlgorithmIdentifier),
+    this.key('signatureValue').bitstr()
+  )
+})
+
+module.exports = X509Certificate
+
+},{"asn1.js":1}],158:[function(require,module,exports){
+(function (Buffer){
+// adapted from https://github.com/apatil/pemstrip
+var findProc = /Proc-Type: 4,ENCRYPTED\n\r?DEK-Info: AES-((?:128)|(?:192)|(?:256))-CBC,([0-9A-H]+)\n\r?\n\r?([0-9A-z\n\r\+\/\=]+)\n\r?/m
+var startRegex = /^-----BEGIN ((?:.* KEY)|CERTIFICATE)-----\n/m
+var fullRegex = /^-----BEGIN ((?:.* KEY)|CERTIFICATE)-----\n\r?([0-9A-z\n\r\+\/\=]+)\n\r?-----END \1-----$/m
+var evp = require('evp_bytestokey')
+var ciphers = require('browserify-aes')
+module.exports = function (okey, password) {
+  var key = okey.toString()
+  var match = key.match(findProc)
+  var decrypted
+  if (!match) {
+    var match2 = key.match(fullRegex)
+    decrypted = new Buffer(match2[2].replace(/\r?\n/g, ''), 'base64')
+  } else {
+    var suite = 'aes' + match[1]
+    var iv = new Buffer(match[2], 'hex')
+    var cipherText = new Buffer(match[3].replace(/\r?\n/g, ''), 'base64')
+    var cipherKey = evp(password, iv.slice(0, 8), parseInt(match[1], 10)).key
+    var out = []
+    var cipher = ciphers.createDecipheriv(suite, cipherKey, iv)
+    out.push(cipher.update(cipherText))
+    out.push(cipher.final())
+    decrypted = Buffer.concat(out)
+  }
+  var tag = key.match(startRegex)[1]
+  return {
+    tag: tag,
+    data: decrypted
+  }
+}
+
+}).call(this,require("buffer").Buffer)
+},{"browserify-aes":24,"buffer":70,"evp_bytestokey":127}],159:[function(require,module,exports){
+(function (Buffer){
+var asn1 = require('./asn1')
+var aesid = require('./aesid.json')
+var fixProc = require('./fixProc')
+var ciphers = require('browserify-aes')
+var compat = require('pbkdf2')
+module.exports = parseKeys
+
+function parseKeys (buffer) {
+  var password
+  if (typeof buffer === 'object' && !Buffer.isBuffer(buffer)) {
+    password = buffer.passphrase
+    buffer = buffer.key
+  }
+  if (typeof buffer === 'string') {
+    buffer = new Buffer(buffer)
+  }
+
+  var stripped = fixProc(buffer, password)
+
+  var type = stripped.tag
+  var data = stripped.data
+  var subtype, ndata
+  switch (type) {
+    case 'CERTIFICATE':
+      ndata = asn1.certificate.decode(data, 'der').tbsCertificate.subjectPublicKeyInfo
+      // falls through
+    case 'PUBLIC KEY':
+      if (!ndata) {
+        ndata = asn1.PublicKey.decode(data, 'der')
+      }
+      subtype = ndata.algorithm.algorithm.join('.')
+      switch (subtype) {
+        case '1.2.840.113549.1.1.1':
+          return asn1.RSAPublicKey.decode(ndata.subjectPublicKey.data, 'der')
+        case '1.2.840.10045.2.1':
+          ndata.subjectPrivateKey = ndata.subjectPublicKey
+          return {
+            type: 'ec',
+            data: ndata
+          }
+        case '1.2.840.10040.4.1':
+          ndata.algorithm.params.pub_key = asn1.DSAparam.decode(ndata.subjectPublicKey.data, 'der')
+          return {
+            type: 'dsa',
+            data: ndata.algorithm.params
+          }
+        default: throw new Error('unknown key id ' + subtype)
+      }
+      throw new Error('unknown key type ' + type)
+    case 'ENCRYPTED PRIVATE KEY':
+      data = asn1.EncryptedPrivateKey.decode(data, 'der')
+      data = decrypt(data, password)
+      // falls through
+    case 'PRIVATE KEY':
+      ndata = asn1.PrivateKey.decode(data, 'der')
+      subtype = ndata.algorithm.algorithm.join('.')
+      switch (subtype) {
+        case '1.2.840.113549.1.1.1':
+          return asn1.RSAPrivateKey.decode(ndata.subjectPrivateKey, 'der')
+        case '1.2.840.10045.2.1':
+          return {
+            curve: ndata.algorithm.curve,
+            privateKey: asn1.ECPrivateKey.decode(ndata.subjectPrivateKey, 'der').privateKey
+          }
+        case '1.2.840.10040.4.1':
+          ndata.algorithm.params.priv_key = asn1.DSAparam.decode(ndata.subjectPrivateKey, 'der')
+          return {
+            type: 'dsa',
+            params: ndata.algorithm.params
+          }
+        default: throw new Error('unknown key id ' + subtype)
+      }
+      throw new Error('unknown key type ' + type)
+    case 'RSA PUBLIC KEY':
+      return asn1.RSAPublicKey.decode(data, 'der')
+    case 'RSA PRIVATE KEY':
+      return asn1.RSAPrivateKey.decode(data, 'der')
+    case 'DSA PRIVATE KEY':
+      return {
+        type: 'dsa',
+        params: asn1.DSAPrivateKey.decode(data, 'der')
+      }
+    case 'EC PRIVATE KEY':
+      data = asn1.ECPrivateKey.decode(data, 'der')
+      return {
+        curve: data.parameters.value,
+        privateKey: data.privateKey
+      }
+    default: throw new Error('unknown key type ' + type)
+  }
+}
+parseKeys.signature = asn1.signature
+function decrypt (data, password) {
+  var salt = data.algorithm.decrypt.kde.kdeparams.salt
+  var iters = parseInt(data.algorithm.decrypt.kde.kdeparams.iters.toString(), 10)
+  var algo = aesid[data.algorithm.decrypt.cipher.algo.join('.')]
+  var iv = data.algorithm.decrypt.cipher.iv
+  var cipherText = data.subjectPrivateKey
+  var keylen = parseInt(algo.split('-')[1], 10) / 8
+  var key = compat.pbkdf2Sync(password, salt, iters, keylen)
+  var cipher = ciphers.createDecipheriv(algo, key, iv)
+  var out = []
+  out.push(cipher.update(cipherText))
+  out.push(cipher.final())
+  return Buffer.concat(out)
+}
+
+}).call(this,require("buffer").Buffer)
+},{"./aesid.json":155,"./asn1":156,"./fixProc":158,"browserify-aes":24,"buffer":70,"pbkdf2":160}],160:[function(require,module,exports){
+
+exports.pbkdf2 = require('./lib/async')
+
+exports.pbkdf2Sync = require('./lib/sync')
+
+},{"./lib/async":161,"./lib/sync":164}],161:[function(require,module,exports){
+(function (process,global){
+var checkParameters = require('./precondition')
+var defaultEncoding = require('./default-encoding')
+var sync = require('./sync')
+var Buffer = require('safe-buffer').Buffer
+
+var ZERO_BUF
+var subtle = global.crypto && global.crypto.subtle
+var toBrowser = {
+  'sha': 'SHA-1',
+  'sha-1': 'SHA-1',
+  'sha1': 'SHA-1',
+  'sha256': 'SHA-256',
+  'sha-256': 'SHA-256',
+  'sha384': 'SHA-384',
+  'sha-384': 'SHA-384',
+  'sha-512': 'SHA-512',
+  'sha512': 'SHA-512'
+}
+var checks = []
+function checkNative (algo) {
+  if (global.process && !global.process.browser) {
+    return Promise.resolve(false)
+  }
+  if (!subtle || !subtle.importKey || !subtle.deriveBits) {
+    return Promise.resolve(false)
+  }
+  if (checks[algo] !== undefined) {
+    return checks[algo]
+  }
+  ZERO_BUF = ZERO_BUF || Buffer.alloc(8)
+  var prom = browserPbkdf2(ZERO_BUF, ZERO_BUF, 10, 128, algo)
+    .then(function () {
+      return true
+    }).catch(function () {
+      return false
+    })
+  checks[algo] = prom
+  return prom
+}
+function browserPbkdf2 (password, salt, iterations, length, algo) {
+  return subtle.importKey(
+    'raw', password, {name: 'PBKDF2'}, false, ['deriveBits']
+  ).then(function (key) {
+    return subtle.deriveBits({
+      name: 'PBKDF2',
+      salt: salt,
+      iterations: iterations,
+      hash: {
+        name: algo
+      }
+    }, key, length << 3)
+  }).then(function (res) {
+    return Buffer.from(res)
+  })
+}
+function resolvePromise (promise, callback) {
+  promise.then(function (out) {
+    process.nextTick(function () {
+      callback(null, out)
+    })
+  }, function (e) {
+    process.nextTick(function () {
+      callback(e)
+    })
+  })
+}
+module.exports = function (password, salt, iterations, keylen, digest, callback) {
+  if (!Buffer.isBuffer(password)) password = Buffer.from(password, defaultEncoding)
+  if (!Buffer.isBuffer(salt)) salt = Buffer.from(salt, defaultEncoding)
+
+  checkParameters(iterations, keylen)
+  if (typeof digest === 'function') {
+    callback = digest
+    digest = undefined
+  }
+  if (typeof callback !== 'function') throw new Error('No callback provided to pbkdf2')
+
+  digest = digest || 'sha1'
+  var algo = toBrowser[digest.toLowerCase()]
+  if (!algo || typeof global.Promise !== 'function') {
+    return process.nextTick(function () {
+      var out
+      try {
+        out = sync(password, salt, iterations, keylen, digest)
+      } catch (e) {
+        return callback(e)
+      }
+      callback(null, out)
+    })
+  }
+  resolvePromise(checkNative(algo).then(function (resp) {
+    if (resp) {
+      return browserPbkdf2(password, salt, iterations, keylen, algo)
+    } else {
+      return sync(password, salt, iterations, keylen, digest)
+    }
+  }), callback)
+}
+
+}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"./default-encoding":162,"./precondition":163,"./sync":164,"_process":166,"safe-buffer":195}],162:[function(require,module,exports){
+(function (process){
+var defaultEncoding
+/* istanbul ignore next */
+if (process.browser) {
+  defaultEncoding = 'utf-8'
+} else {
+  var pVersionMajor = parseInt(process.version.split('.')[0].slice(1), 10)
+
+  defaultEncoding = pVersionMajor >= 6 ? 'utf-8' : 'binary'
+}
+module.exports = defaultEncoding
+
+}).call(this,require('_process'))
+},{"_process":166}],163:[function(require,module,exports){
+var MAX_ALLOC = Math.pow(2, 30) - 1 // default in iojs
+module.exports = function (iterations, keylen) {
+  if (typeof iterations !== 'number') {
+    throw new TypeError('Iterations not a number')
+  }
+
+  if (iterations < 0) {
+    throw new TypeError('Bad iterations')
+  }
+
+  if (typeof keylen !== 'number') {
+    throw new TypeError('Key length not a number')
+  }
+
+  if (keylen < 0 || keylen > MAX_ALLOC || keylen !== keylen) { /* eslint no-self-compare: 0 */
+    throw new TypeError('Bad key length')
+  }
+}
+
+},{}],164:[function(require,module,exports){
+var md5 = require('create-hash/md5')
+var rmd160 = require('ripemd160')
+var sha = require('sha.js')
+
+var checkParameters = require('./precondition')
+var defaultEncoding = require('./default-encoding')
+var Buffer = require('safe-buffer').Buffer
+var ZEROS = Buffer.alloc(128)
+var sizes = {
+  md5: 16,
+  sha1: 20,
+  sha224: 28,
+  sha256: 32,
+  sha384: 48,
+  sha512: 64,
+  rmd160: 20,
+  ripemd160: 20
+}
+
+function Hmac (alg, key, saltLen) {
+  var hash = getDigest(alg)
+  var blocksize = (alg === 'sha512' || alg === 'sha384') ? 128 : 64
+
+  if (key.length > blocksize) {
+    key = hash(key)
+  } else if (key.length < blocksize) {
+    key = Buffer.concat([key, ZEROS], blocksize)
+  }
+
+  var ipad = Buffer.allocUnsafe(blocksize + sizes[alg])
+  var opad = Buffer.allocUnsafe(blocksize + sizes[alg])
+  for (var i = 0; i < blocksize; i++) {
+    ipad[i] = key[i] ^ 0x36
+    opad[i] = key[i] ^ 0x5C
+  }
+
+  var ipad1 = Buffer.allocUnsafe(blocksize + saltLen + 4)
+  ipad.copy(ipad1, 0, 0, blocksize)
+  this.ipad1 = ipad1
+  this.ipad2 = ipad
+  this.opad = opad
+  this.alg = alg
+  this.blocksize = blocksize
+  this.hash = hash
+  this.size = sizes[alg]
+}
+
+Hmac.prototype.run = function (data, ipad) {
+  data.copy(ipad, this.blocksize)
+  var h = this.hash(ipad)
+  h.copy(this.opad, this.blocksize)
+  return this.hash(this.opad)
+}
+
+function getDigest (alg) {
+  function shaFunc (data) {
+    return sha(alg).update(data).digest()
+  }
+
+  if (alg === 'rmd160' || alg === 'ripemd160') return rmd160
+  if (alg === 'md5') return md5
+  return shaFunc
+}
+
+function pbkdf2 (password, salt, iterations, keylen, digest) {
+  if (!Buffer.isBuffer(password)) password = Buffer.from(password, defaultEncoding)
+  if (!Buffer.isBuffer(salt)) salt = Buffer.from(salt, defaultEncoding)
+
+  checkParameters(iterations, keylen)
+
+  digest = digest || 'sha1'
+
+  var hmac = new Hmac(digest, password, salt.length)
+
+  var DK = Buffer.allocUnsafe(keylen)
+  var block1 = Buffer.allocUnsafe(salt.length + 4)
+  salt.copy(block1, 0, 0, salt.length)
+
+  var destPos = 0
+  var hLen = sizes[digest]
+  var l = Math.ceil(keylen / hLen)
+
+  for (var i = 1; i <= l; i++) {
+    block1.writeUInt32BE(i, salt.length)
+
+    var T = hmac.run(block1, hmac.ipad1)
+    var U = T
+
+    for (var j = 1; j < iterations; j++) {
+      U = hmac.run(U, hmac.ipad2)
+      for (var k = 0; k < hLen; k++) T[k] ^= U[k]
+    }
+
+    T.copy(DK, destPos)
+    destPos += hLen
+  }
+
+  return DK
+}
+
+module.exports = pbkdf2
+
+},{"./default-encoding":162,"./precondition":163,"create-hash/md5":97,"ripemd160":194,"safe-buffer":195,"sha.js":197}],165:[function(require,module,exports){
+(function (process){
+'use strict';
+
+if (!process.version ||
+    process.version.indexOf('v0.') === 0 ||
+    process.version.indexOf('v1.') === 0 && process.version.indexOf('v1.8.') !== 0) {
+  module.exports = nextTick;
+} else {
+  module.exports = process.nextTick;
+}
+
+function nextTick(fn, arg1, arg2, arg3) {
+  if (typeof fn !== 'function') {
+    throw new TypeError('"callback" argument must be a function');
+  }
+  var len = arguments.length;
+  var args, i;
+  switch (len) {
+  case 0:
+  case 1:
+    return process.nextTick(fn);
+  case 2:
+    return process.nextTick(function afterTickOne() {
+      fn.call(null, arg1);
+    });
+  case 3:
+    return process.nextTick(function afterTickTwo() {
+      fn.call(null, arg1, arg2);
+    });
+  case 4:
+    return process.nextTick(function afterTickThree() {
+      fn.call(null, arg1, arg2, arg3);
+    });
+  default:
+    args = new Array(len - 1);
+    i = 0;
+    while (i < args.length) {
+      args[i++] = arguments[i];
+    }
+    return process.nextTick(function afterTick() {
+      fn.apply(null, args);
+    });
+  }
+}
+
+}).call(this,require('_process'))
+},{"_process":166}],166:[function(require,module,exports){
+// shim for using process in browser
+var process = module.exports = {};
+
+// cached from whatever global is present so that test runners that stub it
+// don't break things.  But we need to wrap it in a try catch in case it is
+// wrapped in strict mode code which doesn't define any globals.  It's inside a
+// function because try/catches deoptimize in certain engines.
+
+var cachedSetTimeout;
+var cachedClearTimeout;
+
+function defaultSetTimout() {
+    throw new Error('setTimeout has not been defined');
+}
+function defaultClearTimeout () {
+    throw new Error('clearTimeout has not been defined');
+}
+(function () {
+    try {
+        if (typeof setTimeout === 'function') {
+            cachedSetTimeout = setTimeout;
+        } else {
+            cachedSetTimeout = defaultSetTimout;
+        }
+    } catch (e) {
+        cachedSetTimeout = defaultSetTimout;
+    }
+    try {
+        if (typeof clearTimeout === 'function') {
+            cachedClearTimeout = clearTimeout;
+        } else {
+            cachedClearTimeout = defaultClearTimeout;
+        }
+    } catch (e) {
+        cachedClearTimeout = defaultClearTimeout;
+    }
+} ())
+function runTimeout(fun) {
+    if (cachedSetTimeout === setTimeout) {
+        //normal enviroments in sane situations
+        return setTimeout(fun, 0);
+    }
+    // if setTimeout wasn't available but was latter defined
+    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
+        cachedSetTimeout = setTimeout;
+        return setTimeout(fun, 0);
+    }
+    try {
+        // when when somebody has screwed with setTimeout but no I.E. maddness
+        return cachedSetTimeout(fun, 0);
+    } catch(e){
+        try {
+            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
+            return cachedSetTimeout.call(null, fun, 0);
+        } catch(e){
+            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
+            return cachedSetTimeout.call(this, fun, 0);
+        }
+    }
+
+
+}
+function runClearTimeout(marker) {
+    if (cachedClearTimeout === clearTimeout) {
+        //normal enviroments in sane situations
+        return clearTimeout(marker);
+    }
+    // if clearTimeout wasn't available but was latter defined
+    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
+        cachedClearTimeout = clearTimeout;
+        return clearTimeout(marker);
+    }
+    try {
+        // when when somebody has screwed with setTimeout but no I.E. maddness
+        return cachedClearTimeout(marker);
+    } catch (e){
+        try {
+            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally
+            return cachedClearTimeout.call(null, marker);
+        } catch (e){
+            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
+            // Some versions of I.E. have different rules for clearTimeout vs setTimeout
+            return cachedClearTimeout.call(this, marker);
+        }
+    }
+
+
+
+}
+var queue = [];
+var draining = false;
+var currentQueue;
+var queueIndex = -1;
+
+function cleanUpNextTick() {
+    if (!draining || !currentQueue) {
+        return;
+    }
+    draining = false;
+    if (currentQueue.length) {
+        queue = currentQueue.concat(queue);
+    } else {
+        queueIndex = -1;
+    }
+    if (queue.length) {
+        drainQueue();
+    }
+}
+
+function drainQueue() {
+    if (draining) {
+        return;
+    }
+    var timeout = runTimeout(cleanUpNextTick);
+    draining = true;
+
+    var len = queue.length;
+    while(len) {
+        currentQueue = queue;
+        queue = [];
+        while (++queueIndex < len) {
+            if (currentQueue) {
+                currentQueue[queueIndex].run();
+            }
+        }
+        queueIndex = -1;
+        len = queue.length;
+    }
+    currentQueue = null;
+    draining = false;
+    runClearTimeout(timeout);
+}
+
+process.nextTick = function (fun) {
+    var args = new Array(arguments.length - 1);
+    if (arguments.length > 1) {
+        for (var i = 1; i < arguments.length; i++) {
+            args[i - 1] = arguments[i];
+        }
+    }
+    queue.push(new Item(fun, args));
+    if (queue.length === 1 && !draining) {
+        runTimeout(drainQueue);
+    }
+};
+
+// v8 likes predictible objects
+function Item(fun, array) {
+    this.fun = fun;
+    this.array = array;
+}
+Item.prototype.run = function () {
+    this.fun.apply(null, this.array);
+};
+process.title = 'browser';
+process.browser = true;
+process.env = {};
+process.argv = [];
+process.version = ''; // empty string to avoid regexp issues
+process.versions = {};
+
+function noop() {}
+
+process.on = noop;
+process.addListener = noop;
+process.once = noop;
+process.off = noop;
+process.removeListener = noop;
+process.removeAllListeners = noop;
+process.emit = noop;
+process.prependListener = noop;
+process.prependOnceListener = noop;
+
+process.listeners = function (name) { return [] }
+
+process.binding = function (name) {
+    throw new Error('process.binding is not supported');
+};
+
+process.cwd = function () { return '/' };
+process.chdir = function (dir) {
+    throw new Error('process.chdir is not supported');
+};
+process.umask = function() { return 0; };
+
+},{}],167:[function(require,module,exports){
+exports.publicEncrypt = require('./publicEncrypt');
+exports.privateDecrypt = require('./privateDecrypt');
+
+exports.privateEncrypt = function privateEncrypt(key, buf) {
+  return exports.publicEncrypt(key, buf, true);
+};
+
+exports.publicDecrypt = function publicDecrypt(key, buf) {
+  return exports.privateDecrypt(key, buf, true);
+};
+},{"./privateDecrypt":170,"./publicEncrypt":171}],168:[function(require,module,exports){
+(function (Buffer){
+var createHash = require('create-hash');
+module.exports = function (seed, len) {
+  var t = new Buffer('');
+  var  i = 0, c;
+  while (t.length < len) {
+    c = i2ops(i++);
+    t = Buffer.concat([t, createHash('sha1').update(seed).update(c).digest()]);
+  }
+  return t.slice(0, len);
+};
+
+function i2ops(c) {
+  var out = new Buffer(4);
+  out.writeUInt32BE(c,0);
+  return out;
+}
+}).call(this,require("buffer").Buffer)
+},{"buffer":70,"create-hash":95}],169:[function(require,module,exports){
+arguments[4][15][0].apply(exports,arguments)
+},{"buffer":21,"dup":15}],170:[function(require,module,exports){
+(function (Buffer){
+var parseKeys = require('parse-asn1');
+var mgf = require('./mgf');
+var xor = require('./xor');
+var bn = require('bn.js');
+var crt = require('browserify-rsa');
+var createHash = require('create-hash');
+var withPublic = require('./withPublic');
+module.exports = function privateDecrypt(private_key, enc, reverse) {
+  var padding;
+  if (private_key.padding) {
+    padding = private_key.padding;
+  } else if (reverse) {
+    padding = 1;
+  } else {
+    padding = 4;
+  }
+  
+  var key = parseKeys(private_key);
+  var k = key.modulus.byteLength();
+  if (enc.length > k || new bn(enc).cmp(key.modulus) >= 0) {
+    throw new Error('decryption error');
+  }
+  var msg;
+  if (reverse) {
+    msg = withPublic(new bn(enc), key);
+  } else {
+    msg = crt(enc, key);
+  }
+  var zBuffer = new Buffer(k - msg.length);
+  zBuffer.fill(0);
+  msg = Buffer.concat([zBuffer, msg], k);
+  if (padding === 4) {
+    return oaep(key, msg);
+  } else if (padding === 1) {
+    return pkcs1(key, msg, reverse);
+  } else if (padding === 3) {
+    return msg;
+  } else {
+    throw new Error('unknown padding');
+  }
+};
+
+function oaep(key, msg){
+  var n = key.modulus;
+  var k = key.modulus.byteLength();
+  var mLen = msg.length;
+  var iHash = createHash('sha1').update(new Buffer('')).digest();
+  var hLen = iHash.length;
+  var hLen2 = 2 * hLen;
+  if (msg[0] !== 0) {
+    throw new Error('decryption error');
+  }
+  var maskedSeed = msg.slice(1, hLen + 1);
+  var maskedDb =  msg.slice(hLen + 1);
+  var seed = xor(maskedSeed, mgf(maskedDb, hLen));
+  var db = xor(maskedDb, mgf(seed, k - hLen - 1));
+  if (compare(iHash, db.slice(0, hLen))) {
+    throw new Error('decryption error');
+  }
+  var i = hLen;
+  while (db[i] === 0) {
+    i++;
+  }
+  if (db[i++] !== 1) {
+    throw new Error('decryption error');
+  }
+  return db.slice(i);
+}
+
+function pkcs1(key, msg, reverse){
+  var p1 = msg.slice(0, 2);
+  var i = 2;
+  var status = 0;
+  while (msg[i++] !== 0) {
+    if (i >= msg.length) {
+      status++;
+      break;
+    }
+  }
+  var ps = msg.slice(2, i - 1);
+  var p2 = msg.slice(i - 1, i);
+
+  if ((p1.toString('hex') !== '0002' && !reverse) || (p1.toString('hex') !== '0001' && reverse)){
+    status++;
+  }
+  if (ps.length < 8) {
+    status++;
+  }
+  if (status) {
+    throw new Error('decryption error');
+  }
+  return  msg.slice(i);
+}
+function compare(a, b){
+  a = new Buffer(a);
+  b = new Buffer(b);
+  var dif = 0;
+  var len = a.length;
+  if (a.length !== b.length) {
+    dif++;
+    len = Math.min(a.length, b.length);
+  }
+  var i = -1;
+  while (++i < len) {
+    dif += (a[i] ^ b[i]);
+  }
+  return dif;
+}
+}).call(this,require("buffer").Buffer)
+},{"./mgf":168,"./withPublic":172,"./xor":173,"bn.js":169,"browserify-rsa":42,"buffer":70,"create-hash":95,"parse-asn1":159}],171:[function(require,module,exports){
+(function (Buffer){
+var parseKeys = require('parse-asn1');
+var randomBytes = require('randombytes');
+var createHash = require('create-hash');
+var mgf = require('./mgf');
+var xor = require('./xor');
+var bn = require('bn.js');
+var withPublic = require('./withPublic');
+var crt = require('browserify-rsa');
+
+var constants = {
+  RSA_PKCS1_OAEP_PADDING: 4,
+  RSA_PKCS1_PADDIN: 1,
+  RSA_NO_PADDING: 3
+};
+
+module.exports = function publicEncrypt(public_key, msg, reverse) {
+  var padding;
+  if (public_key.padding) {
+    padding = public_key.padding;
+  } else if (reverse) {
+    padding = 1;
+  } else {
+    padding = 4;
+  }
+  var key = parseKeys(public_key);
+  var paddedMsg;
+  if (padding === 4) {
+    paddedMsg = oaep(key, msg);
+  } else if (padding === 1) {
+    paddedMsg = pkcs1(key, msg, reverse);
+  } else if (padding === 3) {
+    paddedMsg = new bn(msg);
+    if (paddedMsg.cmp(key.modulus) >= 0) {
+      throw new Error('data too long for modulus');
+    }
+  } else {
+    throw new Error('unknown padding');
+  }
+  if (reverse) {
+    return crt(paddedMsg, key);
+  } else {
+    return withPublic(paddedMsg, key);
+  }
+};
+
+function oaep(key, msg){
+  var k = key.modulus.byteLength();
+  var mLen = msg.length;
+  var iHash = createHash('sha1').update(new Buffer('')).digest();
+  var hLen = iHash.length;
+  var hLen2 = 2 * hLen;
+  if (mLen > k - hLen2 - 2) {
+    throw new Error('message too long');
+  }
+  var ps = new Buffer(k - mLen - hLen2 - 2);
+  ps.fill(0);
+  var dblen = k - hLen - 1;
+  var seed = randomBytes(hLen);
+  var maskedDb = xor(Buffer.concat([iHash, ps, new Buffer([1]), msg], dblen), mgf(seed, dblen));
+  var maskedSeed = xor(seed, mgf(maskedDb, hLen));
+  return new bn(Buffer.concat([new Buffer([0]), maskedSeed, maskedDb], k));
+}
+function pkcs1(key, msg, reverse){
+  var mLen = msg.length;
+  var k = key.modulus.byteLength();
+  if (mLen > k - 11) {
+    throw new Error('message too long');
+  }
+  var ps;
+  if (reverse) {
+    ps = new Buffer(k - mLen - 3);
+    ps.fill(0xff);
+  } else {
+    ps = nonZero(k - mLen - 3);
+  }
+  return new bn(Buffer.concat([new Buffer([0, reverse?1:2]), ps, new Buffer([0]), msg], k));
+}
+function nonZero(len, crypto) {
+  var out = new Buffer(len);
+  var i = 0;
+  var cache = randomBytes(len*2);
+  var cur = 0;
+  var num;
+  while (i < len) {
+    if (cur === cache.length) {
+      cache = randomBytes(len*2);
+      cur = 0;
+    }
+    num = cache[cur++];
+    if (num) {
+      out[i++] = num;
+    }
+  }
+  return out;
+}
+}).call(this,require("buffer").Buffer)
+},{"./mgf":168,"./withPublic":172,"./xor":173,"bn.js":169,"browserify-rsa":42,"buffer":70,"create-hash":95,"parse-asn1":159,"randombytes":178}],172:[function(require,module,exports){
+(function (Buffer){
+var bn = require('bn.js');
+function withPublic(paddedMsg, key) {
+  return new Buffer(paddedMsg
+    .toRed(bn.mont(key.modulus))
+    .redPow(new bn(key.publicExponent))
+    .fromRed()
+    .toArray());
+}
+
+module.exports = withPublic;
+}).call(this,require("buffer").Buffer)
+},{"bn.js":169,"buffer":70}],173:[function(require,module,exports){
+module.exports = function xor(a, b) {
+  var len = a.length;
+  var i = -1;
+  while (++i < len) {
+    a[i] ^= b[i];
+  }
+  return a
+};
+},{}],174:[function(require,module,exports){
+(function (global){
+/*! https://mths.be/punycode v1.4.1 by @mathias */
+;(function(root) {
+
+	/** Detect free variables */
+	var freeExports = typeof exports == 'object' && exports &&
+		!exports.nodeType && exports;
+	var freeModule = typeof module == 'object' && module &&
+		!module.nodeType && module;
+	var freeGlobal = typeof global == 'object' && global;
+	if (
+		freeGlobal.global === freeGlobal ||
+		freeGlobal.window === freeGlobal ||
+		freeGlobal.self === freeGlobal
+	) {
+		root = freeGlobal;
+	}
+
+	/**
+	 * The `punycode` object.
+	 * @name punycode
+	 * @type Object
+	 */
+	var punycode,
+
+	/** Highest positive signed 32-bit float value */
+	maxInt = 2147483647, // aka. 0x7FFFFFFF or 2^31-1
+
+	/** Bootstring parameters */
+	base = 36,
+	tMin = 1,
+	tMax = 26,
+	skew = 38,
+	damp = 700,
+	initialBias = 72,
+	initialN = 128, // 0x80
+	delimiter = '-', // '\x2D'
+
+	/** Regular expressions */
+	regexPunycode = /^xn--/,
+	regexNonASCII = /[^\x20-\x7E]/, // unprintable ASCII chars + non-ASCII chars
+	regexSeparators = /[\x2E\u3002\uFF0E\uFF61]/g, // RFC 3490 separators
+
+	/** Error messages */
+	errors = {
+		'overflow': 'Overflow: input needs wider integers to process',
+		'not-basic': 'Illegal input >= 0x80 (not a basic code point)',
+		'invalid-input': 'Invalid input'
+	},
+
+	/** Convenience shortcuts */
+	baseMinusTMin = base - tMin,
+	floor = Math.floor,
+	stringFromCharCode = String.fromCharCode,
+
+	/** Temporary variable */
+	key;
+
+	/*--------------------------------------------------------------------------*/
+
+	/**
+	 * A generic error utility function.
+	 * @private
+	 * @param {String} type The error type.
+	 * @returns {Error} Throws a `RangeError` with the applicable error message.
+	 */
+	function error(type) {
+		throw new RangeError(errors[type]);
+	}
+
+	/**
+	 * A generic `Array#map` utility function.
+	 * @private
+	 * @param {Array} array The array to iterate over.
+	 * @param {Function} callback The function that gets called for every array
+	 * item.
+	 * @returns {Array} A new array of values returned by the callback function.
+	 */
+	function map(array, fn) {
+		var length = array.length;
+		var result = [];
+		while (length--) {
+			result[length] = fn(array[length]);
+		}
+		return result;
+	}
+
+	/**
+	 * A simple `Array#map`-like wrapper to work with domain name strings or email
+	 * addresses.
+	 * @private
+	 * @param {String} domain The domain name or email address.
+	 * @param {Function} callback The function that gets called for every
+	 * character.
+	 * @returns {Array} A new string of characters returned by the callback
+	 * function.
+	 */
+	function mapDomain(string, fn) {
+		var parts = string.split('@');
+		var result = '';
+		if (parts.length > 1) {
+			// In email addresses, only the domain name should be punycoded. Leave
+			// the local part (i.e. everything up to `@`) intact.
+			result = parts[0] + '@';
+			string = parts[1];
+		}
+		// Avoid `split(regex)` for IE8 compatibility. See #17.
+		string = string.replace(regexSeparators, '\x2E');
+		var labels = string.split('.');
+		var encoded = map(labels, fn).join('.');
+		return result + encoded;
+	}
+
+	/**
+	 * Creates an array containing the numeric code points of each Unicode
+	 * character in the string. While JavaScript uses UCS-2 internally,
+	 * this function will convert a pair of surrogate halves (each of which
+	 * UCS-2 exposes as separate characters) into a single code point,
+	 * matching UTF-16.
+	 * @see `punycode.ucs2.encode`
+	 * @see <https://mathiasbynens.be/notes/javascript-encoding>
+	 * @memberOf punycode.ucs2
+	 * @name decode
+	 * @param {String} string The Unicode input string (UCS-2).
+	 * @returns {Array} The new array of code points.
+	 */
+	function ucs2decode(string) {
+		var output = [],
+		    counter = 0,
+		    length = string.length,
+		    value,
+		    extra;
+		while (counter < length) {
+			value = string.charCodeAt(counter++);
+			if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
+				// high surrogate, and there is a next character
+				extra = string.charCodeAt(counter++);
+				if ((extra & 0xFC00) == 0xDC00) { // low surrogate
+					output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
+				} else {
+					// unmatched surrogate; only append this code unit, in case the next
+					// code unit is the high surrogate of a surrogate pair
+					output.push(value);
+					counter--;
+				}
+			} else {
+				output.push(value);
+			}
+		}
+		return output;
+	}
+
+	/**
+	 * Creates a string based on an array of numeric code points.
+	 * @see `punycode.ucs2.decode`
+	 * @memberOf punycode.ucs2
+	 * @name encode
+	 * @param {Array} codePoints The array of numeric code points.
+	 * @returns {String} The new Unicode string (UCS-2).
+	 */
+	function ucs2encode(array) {
+		return map(array, function(value) {
+			var output = '';
+			if (value > 0xFFFF) {
+				value -= 0x10000;
+				output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);
+				value = 0xDC00 | value & 0x3FF;
+			}
+			output += stringFromCharCode(value);
+			return output;
+		}).join('');
+	}
+
+	/**
+	 * Converts a basic code point into a digit/integer.
+	 * @see `digitToBasic()`
+	 * @private
+	 * @param {Number} codePoint The basic numeric code point value.
+	 * @returns {Number} The numeric value of a basic code point (for use in
+	 * representing integers) in the range `0` to `base - 1`, or `base` if
+	 * the code point does not represent a value.
+	 */
+	function basicToDigit(codePoint) {
+		if (codePoint - 48 < 10) {
+			return codePoint - 22;
+		}
+		if (codePoint - 65 < 26) {
+			return codePoint - 65;
+		}
+		if (codePoint - 97 < 26) {
+			return codePoint - 97;
+		}
+		return base;
+	}
+
+	/**
+	 * Converts a digit/integer into a basic code point.
+	 * @see `basicToDigit()`
+	 * @private
+	 * @param {Number} digit The numeric value of a basic code point.
+	 * @returns {Number} The basic code point whose value (when used for
+	 * representing integers) is `digit`, which needs to be in the range
+	 * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is
+	 * used; else, the lowercase form is used. The behavior is undefined
+	 * if `flag` is non-zero and `digit` has no uppercase form.
+	 */
+	function digitToBasic(digit, flag) {
+		//  0..25 map to ASCII a..z or A..Z
+		// 26..35 map to ASCII 0..9
+		return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);
+	}
+
+	/**
+	 * Bias adaptation function as per section 3.4 of RFC 3492.
+	 * https://tools.ietf.org/html/rfc3492#section-3.4
+	 * @private
+	 */
+	function adapt(delta, numPoints, firstTime) {
+		var k = 0;
+		delta = firstTime ? floor(delta / damp) : delta >> 1;
+		delta += floor(delta / numPoints);
+		for (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) {
+			delta = floor(delta / baseMinusTMin);
+		}
+		return floor(k + (baseMinusTMin + 1) * delta / (delta + skew));
+	}
+
+	/**
+	 * Converts a Punycode string of ASCII-only symbols to a string of Unicode
+	 * symbols.
+	 * @memberOf punycode
+	 * @param {String} input The Punycode string of ASCII-only symbols.
+	 * @returns {String} The resulting string of Unicode symbols.
+	 */
+	function decode(input) {
+		// Don't use UCS-2
+		var output = [],
+		    inputLength = input.length,
+		    out,
+		    i = 0,
+		    n = initialN,
+		    bias = initialBias,
+		    basic,
+		    j,
+		    index,
+		    oldi,
+		    w,
+		    k,
+		    digit,
+		    t,
+		    /** Cached calculation results */
+		    baseMinusT;
+
+		// Handle the basic code points: let `basic` be the number of input code
+		// points before the last delimiter, or `0` if there is none, then copy
+		// the first basic code points to the output.
+
+		basic = input.lastIndexOf(delimiter);
+		if (basic < 0) {
+			basic = 0;
+		}
+
+		for (j = 0; j < basic; ++j) {
+			// if it's not a basic code point
+			if (input.charCodeAt(j) >= 0x80) {
+				error('not-basic');
+			}
+			output.push(input.charCodeAt(j));
+		}
+
+		// Main decoding loop: start just after the last delimiter if any basic code
+		// points were copied; start at the beginning otherwise.
+
+		for (index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) {
+
+			// `index` is the index of the next character to be consumed.
+			// Decode a generalized variable-length integer into `delta`,
+			// which gets added to `i`. The overflow checking is easier
+			// if we increase `i` as we go, then subtract off its starting
+			// value at the end to obtain `delta`.
+			for (oldi = i, w = 1, k = base; /* no condition */; k += base) {
+
+				if (index >= inputLength) {
+					error('invalid-input');
+				}
+
+				digit = basicToDigit(input.charCodeAt(index++));
+
+				if (digit >= base || digit > floor((maxInt - i) / w)) {
+					error('overflow');
+				}
+
+				i += digit * w;
+				t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
+
+				if (digit < t) {
+					break;
+				}
+
+				baseMinusT = base - t;
+				if (w > floor(maxInt / baseMinusT)) {
+					error('overflow');
+				}
+
+				w *= baseMinusT;
+
+			}
+
+			out = output.length + 1;
+			bias = adapt(i - oldi, out, oldi == 0);
+
+			// `i` was supposed to wrap around from `out` to `0`,
+			// incrementing `n` each time, so we'll fix that now:
+			if (floor(i / out) > maxInt - n) {
+				error('overflow');
+			}
+
+			n += floor(i / out);
+			i %= out;
+
+			// Insert `n` at position `i` of the output
+			output.splice(i++, 0, n);
+
+		}
+
+		return ucs2encode(output);
+	}
+
+	/**
+	 * Converts a string of Unicode symbols (e.g. a domain name label) to a
+	 * Punycode string of ASCII-only symbols.
+	 * @memberOf punycode
+	 * @param {String} input The string of Unicode symbols.
+	 * @returns {String} The resulting Punycode string of ASCII-only symbols.
+	 */
+	function encode(input) {
+		var n,
+		    delta,
+		    handledCPCount,
+		    basicLength,
+		    bias,
+		    j,
+		    m,
+		    q,
+		    k,
+		    t,
+		    currentValue,
+		    output = [],
+		    /** `inputLength` will hold the number of code points in `input`. */
+		    inputLength,
+		    /** Cached calculation results */
+		    handledCPCountPlusOne,
+		    baseMinusT,
+		    qMinusT;
+
+		// Convert the input in UCS-2 to Unicode
+		input = ucs2decode(input);
+
+		// Cache the length
+		inputLength = input.length;
+
+		// Initialize the state
+		n = initialN;
+		delta = 0;
+		bias = initialBias;
+
+		// Handle the basic code points
+		for (j = 0; j < inputLength; ++j) {
+			currentValue = input[j];
+			if (currentValue < 0x80) {
+				output.push(stringFromCharCode(currentValue));
+			}
+		}
+
+		handledCPCount = basicLength = output.length;
+
+		// `handledCPCount` is the number of code points that have been handled;
+		// `basicLength` is the number of basic code points.
+
+		// Finish the basic string - if it is not empty - with a delimiter
+		if (basicLength) {
+			output.push(delimiter);
+		}
+
+		// Main encoding loop:
+		while (handledCPCount < inputLength) {
+
+			// All non-basic code points < n have been handled already. Find the next
+			// larger one:
+			for (m = maxInt, j = 0; j < inputLength; ++j) {
+				currentValue = input[j];
+				if (currentValue >= n && currentValue < m) {
+					m = currentValue;
+				}
+			}
+
+			// Increase `delta` enough to advance the decoder's <n,i> state to <m,0>,
+			// but guard against overflow
+			handledCPCountPlusOne = handledCPCount + 1;
+			if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {
+				error('overflow');
+			}
+
+			delta += (m - n) * handledCPCountPlusOne;
+			n = m;
+
+			for (j = 0; j < inputLength; ++j) {
+				currentValue = input[j];
+
+				if (currentValue < n && ++delta > maxInt) {
+					error('overflow');
+				}
+
+				if (currentValue == n) {
+					// Represent delta as a generalized variable-length integer
+					for (q = delta, k = base; /* no condition */; k += base) {
+						t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
+						if (q < t) {
+							break;
+						}
+						qMinusT = q - t;
+						baseMinusT = base - t;
+						output.push(
+							stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0))
+						);
+						q = floor(qMinusT / baseMinusT);
+					}
+
+					output.push(stringFromCharCode(digitToBasic(q, 0)));
+					bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);
+					delta = 0;
+					++handledCPCount;
+				}
+			}
+
+			++delta;
+			++n;
+
+		}
+		return output.join('');
+	}
+
+	/**
+	 * Converts a Punycode string representing a domain name or an email address
+	 * to Unicode. Only the Punycoded parts of the input will be converted, i.e.
+	 * it doesn't matter if you call it on a string that has already been
+	 * converted to Unicode.
+	 * @memberOf punycode
+	 * @param {String} input The Punycoded domain name or email address to
+	 * convert to Unicode.
+	 * @returns {String} The Unicode representation of the given Punycode
+	 * string.
+	 */
+	function toUnicode(input) {
+		return mapDomain(input, function(string) {
+			return regexPunycode.test(string)
+				? decode(string.slice(4).toLowerCase())
+				: string;
+		});
+	}
+
+	/**
+	 * Converts a Unicode string representing a domain name or an email address to
+	 * Punycode. Only the non-ASCII parts of the domain name will be converted,
+	 * i.e. it doesn't matter if you call it with a domain that's already in
+	 * ASCII.
+	 * @memberOf punycode
+	 * @param {String} input The domain name or email address to convert, as a
+	 * Unicode string.
+	 * @returns {String} The Punycode representation of the given domain name or
+	 * email address.
+	 */
+	function toASCII(input) {
+		return mapDomain(input, function(string) {
+			return regexNonASCII.test(string)
+				? 'xn--' + encode(string)
+				: string;
+		});
+	}
+
+	/*--------------------------------------------------------------------------*/
+
+	/** Define the public API */
+	punycode = {
+		/**
+		 * A string representing the current Punycode.js version number.
+		 * @memberOf punycode
+		 * @type String
+		 */
+		'version': '1.4.1',
+		/**
+		 * An object of methods to convert from JavaScript's internal character
+		 * representation (UCS-2) to Unicode code points, and back.
+		 * @see <https://mathiasbynens.be/notes/javascript-encoding>
+		 * @memberOf punycode
+		 * @type Object
+		 */
+		'ucs2': {
+			'decode': ucs2decode,
+			'encode': ucs2encode
+		},
+		'decode': decode,
+		'encode': encode,
+		'toASCII': toASCII,
+		'toUnicode': toUnicode
+	};
+
+	/** Expose `punycode` */
+	// Some AMD build optimizers, like r.js, check for specific condition patterns
+	// like the following:
+	if (
+		typeof define == 'function' &&
+		typeof define.amd == 'object' &&
+		define.amd
+	) {
+		define('punycode', function() {
+			return punycode;
+		});
+	} else if (freeExports && freeModule) {
+		if (module.exports == freeExports) {
+			// in Node.js, io.js, or RingoJS v0.8.0+
+			freeModule.exports = punycode;
+		} else {
+			// in Narwhal or RingoJS v0.7.0-
+			for (key in punycode) {
+				punycode.hasOwnProperty(key) && (freeExports[key] = punycode[key]);
+			}
+		}
+	} else {
+		// in Rhino or a web browser
+		root.punycode = punycode;
+	}
+
+}(this));
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}],175:[function(require,module,exports){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+
+// If obj.hasOwnProperty has been overridden, then calling
+// obj.hasOwnProperty(prop) will break.
+// See: https://github.com/joyent/node/issues/1707
+function hasOwnProperty(obj, prop) {
+  return Object.prototype.hasOwnProperty.call(obj, prop);
+}
+
+module.exports = function(qs, sep, eq, options) {
+  sep = sep || '&';
+  eq = eq || '=';
+  var obj = {};
+
+  if (typeof qs !== 'string' || qs.length === 0) {
+    return obj;
+  }
+
+  var regexp = /\+/g;
+  qs = qs.split(sep);
+
+  var maxKeys = 1000;
+  if (options && typeof options.maxKeys === 'number') {
+    maxKeys = options.maxKeys;
+  }
+
+  var len = qs.length;
+  // maxKeys <= 0 means that we should not limit keys count
+  if (maxKeys > 0 && len > maxKeys) {
+    len = maxKeys;
+  }
+
+  for (var i = 0; i < len; ++i) {
+    var x = qs[i].replace(regexp, '%20'),
+        idx = x.indexOf(eq),
+        kstr, vstr, k, v;
+
+    if (idx >= 0) {
+      kstr = x.substr(0, idx);
+      vstr = x.substr(idx + 1);
+    } else {
+      kstr = x;
+      vstr = '';
+    }
+
+    k = decodeURIComponent(kstr);
+    v = decodeURIComponent(vstr);
+
+    if (!hasOwnProperty(obj, k)) {
+      obj[k] = v;
+    } else if (isArray(obj[k])) {
+      obj[k].push(v);
+    } else {
+      obj[k] = [obj[k], v];
+    }
+  }
+
+  return obj;
+};
+
+var isArray = Array.isArray || function (xs) {
+  return Object.prototype.toString.call(xs) === '[object Array]';
+};
+
+},{}],176:[function(require,module,exports){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+
+var stringifyPrimitive = function(v) {
+  switch (typeof v) {
+    case 'string':
+      return v;
+
+    case 'boolean':
+      return v ? 'true' : 'false';
+
+    case 'number':
+      return isFinite(v) ? v : '';
+
+    default:
+      return '';
+  }
+};
+
+module.exports = function(obj, sep, eq, name) {
+  sep = sep || '&';
+  eq = eq || '=';
+  if (obj === null) {
+    obj = undefined;
+  }
+
+  if (typeof obj === 'object') {
+    return map(objectKeys(obj), function(k) {
+      var ks = encodeURIComponent(stringifyPrimitive(k)) + eq;
+      if (isArray(obj[k])) {
+        return map(obj[k], function(v) {
+          return ks + encodeURIComponent(stringifyPrimitive(v));
+        }).join(sep);
+      } else {
+        return ks + encodeURIComponent(stringifyPrimitive(obj[k]));
+      }
+    }).join(sep);
+
+  }
+
+  if (!name) return '';
+  return encodeURIComponent(stringifyPrimitive(name)) + eq +
+         encodeURIComponent(stringifyPrimitive(obj));
+};
+
+var isArray = Array.isArray || function (xs) {
+  return Object.prototype.toString.call(xs) === '[object Array]';
+};
+
+function map (xs, f) {
+  if (xs.map) return xs.map(f);
+  var res = [];
+  for (var i = 0; i < xs.length; i++) {
+    res.push(f(xs[i], i));
+  }
+  return res;
+}
+
+var objectKeys = Object.keys || function (obj) {
+  var res = [];
+  for (var key in obj) {
+    if (Object.prototype.hasOwnProperty.call(obj, key)) res.push(key);
+  }
+  return res;
+};
+
+},{}],177:[function(require,module,exports){
+'use strict';
+
+exports.decode = exports.parse = require('./decode');
+exports.encode = exports.stringify = require('./encode');
+
+},{"./decode":175,"./encode":176}],178:[function(require,module,exports){
+(function (process,global){
+'use strict'
+
+function oldBrowser () {
+  throw new Error('secure random number generation not supported by this browser\nuse chrome, FireFox or Internet Explorer 11')
+}
+
+var Buffer = require('safe-buffer').Buffer
+var crypto = global.crypto || global.msCrypto
+
+if (crypto && crypto.getRandomValues) {
+  module.exports = randomBytes
+} else {
+  module.exports = oldBrowser
+}
+
+function randomBytes (size, cb) {
+  // phantomjs needs to throw
+  if (size > 65536) throw new Error('requested too many random bytes')
+  // in case browserify  isn't using the Uint8Array version
+  var rawBytes = new global.Uint8Array(size)
+
+  // This will not work in older browsers.
+  // See https://developer.mozilla.org/en-US/docs/Web/API/window.crypto.getRandomValues
+  if (size > 0) {  // getRandomValues fails on IE if size == 0
+    crypto.getRandomValues(rawBytes)
+  }
+
+  // XXX: phantomjs doesn't like a buffer being passed here
+  var bytes = Buffer.from(rawBytes.buffer)
+
+  if (typeof cb === 'function') {
+    return process.nextTick(function () {
+      cb(null, bytes)
+    })
+  }
+
+  return bytes
+}
+
+}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"_process":166,"safe-buffer":195}],179:[function(require,module,exports){
+(function (process,global){
+'use strict'
+
+function oldBrowser () {
+  throw new Error('secure random number generation not supported by this browser\nuse chrome, FireFox or Internet Explorer 11')
+}
+var safeBuffer = require('safe-buffer')
+var randombytes = require('randombytes')
+var Buffer = safeBuffer.Buffer
+var kBufferMaxLength = safeBuffer.kMaxLength
+var crypto = global.crypto || global.msCrypto
+var kMaxUint32 = Math.pow(2, 32) - 1
+function assertOffset (offset, length) {
+  if (typeof offset !== 'number' || offset !== offset) { // eslint-disable-line no-self-compare
+    throw new TypeError('offset must be a number')
+  }
+
+  if (offset > kMaxUint32 || offset < 0) {
+    throw new TypeError('offset must be a uint32')
+  }
+
+  if (offset > kBufferMaxLength || offset > length) {
+    throw new RangeError('offset out of range')
+  }
+}
+
+function assertSize (size, offset, length) {
+  if (typeof size !== 'number' || size !== size) { // eslint-disable-line no-self-compare
+    throw new TypeError('size must be a number')
+  }
+
+  if (size > kMaxUint32 || size < 0) {
+    throw new TypeError('size must be a uint32')
+  }
+
+  if (size + offset > length || size > kBufferMaxLength) {
+    throw new RangeError('buffer too small')
+  }
+}
+if ((crypto && crypto.getRandomValues) || !process.browser) {
+  exports.randomFill = randomFill
+  exports.randomFillSync = randomFillSync
+} else {
+  exports.randomFill = oldBrowser
+  exports.randomFillSync = oldBrowser
+}
+function randomFill (buf, offset, size, cb) {
+  if (!Buffer.isBuffer(buf) && !(buf instanceof global.Uint8Array)) {
+    throw new TypeError('"buf" argument must be a Buffer or Uint8Array')
+  }
+
+  if (typeof offset === 'function') {
+    cb = offset
+    offset = 0
+    size = buf.length
+  } else if (typeof size === 'function') {
+    cb = size
+    size = buf.length - offset
+  } else if (typeof cb !== 'function') {
+    throw new TypeError('"cb" argument must be a function')
+  }
+  assertOffset(offset, buf.length)
+  assertSize(size, offset, buf.length)
+  return actualFill(buf, offset, size, cb)
+}
+
+function actualFill (buf, offset, size, cb) {
+  if (process.browser) {
+    var ourBuf = buf.buffer
+    var uint = new Uint8Array(ourBuf, offset, size)
+    crypto.getRandomValues(uint)
+    if (cb) {
+      process.nextTick(function () {
+        cb(null, buf)
+      })
+      return
+    }
+    return buf
+  }
+  if (cb) {
+    randombytes(size, function (err, bytes) {
+      if (err) {
+        return cb(err)
+      }
+      bytes.copy(buf, offset)
+      cb(null, buf)
+    })
+    return
+  }
+  var bytes = randombytes(size)
+  bytes.copy(buf, offset)
+  return buf
+}
+function randomFillSync (buf, offset, size) {
+  if (typeof offset === 'undefined') {
+    offset = 0
+  }
+  if (!Buffer.isBuffer(buf) && !(buf instanceof global.Uint8Array)) {
+    throw new TypeError('"buf" argument must be a Buffer or Uint8Array')
+  }
+
+  assertOffset(offset, buf.length)
+
+  if (size === undefined) size = buf.length - offset
+
+  assertSize(size, offset, buf.length)
+
+  return actualFill(buf, offset, size)
+}
+
+}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"_process":166,"randombytes":178,"safe-buffer":195}],180:[function(require,module,exports){
+module.exports = require('./lib/_stream_duplex.js');
+
+},{"./lib/_stream_duplex.js":181}],181:[function(require,module,exports){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+// a duplex stream is just a stream that is both readable and writable.
+// Since JS doesn't have multiple prototypal inheritance, this class
+// prototypally inherits from Readable, and then parasitically from
+// Writable.
+
+'use strict';
+
+/*<replacement>*/
+
+var processNextTick = require('process-nextick-args');
+/*</replacement>*/
+
+/*<replacement>*/
+var objectKeys = Object.keys || function (obj) {
+  var keys = [];
+  for (var key in obj) {
+    keys.push(key);
+  }return keys;
+};
+/*</replacement>*/
+
+module.exports = Duplex;
+
+/*<replacement>*/
+var util = require('core-util-is');
+util.inherits = require('inherits');
+/*</replacement>*/
+
+var Readable = require('./_stream_readable');
+var Writable = require('./_stream_writable');
+
+util.inherits(Duplex, Readable);
+
+var keys = objectKeys(Writable.prototype);
+for (var v = 0; v < keys.length; v++) {
+  var method = keys[v];
+  if (!Duplex.prototype[method]) Duplex.prototype[method] = Writable.prototype[method];
+}
+
+function Duplex(options) {
+  if (!(this instanceof Duplex)) return new Duplex(options);
+
+  Readable.call(this, options);
+  Writable.call(this, options);
+
+  if (options && options.readable === false) this.readable = false;
+
+  if (options && options.writable === false) this.writable = false;
+
+  this.allowHalfOpen = true;
+  if (options && options.allowHalfOpen === false) this.allowHalfOpen = false;
+
+  this.once('end', onend);
+}
+
+// the no-half-open enforcer
+function onend() {
+  // if we allow half-open state, or if the writable side ended,
+  // then we're ok.
+  if (this.allowHalfOpen || this._writableState.ended) return;
+
+  // no more data can be written.
+  // But allow more writes to happen in this tick.
+  processNextTick(onEndNT, this);
+}
+
+function onEndNT(self) {
+  self.end();
+}
+
+Object.defineProperty(Duplex.prototype, 'destroyed', {
+  get: function () {
+    if (this._readableState === undefined || this._writableState === undefined) {
+      return false;
+    }
+    return this._readableState.destroyed && this._writableState.destroyed;
+  },
+  set: function (value) {
+    // we ignore the value if the stream
+    // has not been initialized yet
+    if (this._readableState === undefined || this._writableState === undefined) {
+      return;
+    }
+
+    // backward compatibility, the user is explicitly
+    // managing destroyed
+    this._readableState.destroyed = value;
+    this._writableState.destroyed = value;
+  }
+});
+
+Duplex.prototype._destroy = function (err, cb) {
+  this.push(null);
+  this.end();
+
+  processNextTick(cb, err);
+};
+
+function forEach(xs, f) {
+  for (var i = 0, l = xs.length; i < l; i++) {
+    f(xs[i], i);
+  }
+}
+},{"./_stream_readable":183,"./_stream_writable":185,"core-util-is":76,"inherits":189,"process-nextick-args":165}],182:[function(require,module,exports){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+// a passthrough stream.
+// basically just the most minimal sort of Transform stream.
+// Every written chunk gets output as-is.
+
+'use strict';
+
+module.exports = PassThrough;
+
+var Transform = require('./_stream_transform');
+
+/*<replacement>*/
+var util = require('core-util-is');
+util.inherits = require('inherits');
+/*</replacement>*/
+
+util.inherits(PassThrough, Transform);
+
+function PassThrough(options) {
+  if (!(this instanceof PassThrough)) return new PassThrough(options);
+
+  Transform.call(this, options);
+}
+
+PassThrough.prototype._transform = function (chunk, encoding, cb) {
+  cb(null, chunk);
+};
+},{"./_stream_transform":184,"core-util-is":76,"inherits":189}],183:[function(require,module,exports){
+(function (process,global){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+
+/*<replacement>*/
+
+var processNextTick = require('process-nextick-args');
+/*</replacement>*/
+
+module.exports = Readable;
+
+/*<replacement>*/
+var isArray = require('isarray');
+/*</replacement>*/
+
+/*<replacement>*/
+var Duplex;
+/*</replacement>*/
+
+Readable.ReadableState = ReadableState;
+
+/*<replacement>*/
+var EE = require('events').EventEmitter;
+
+var EElistenerCount = function (emitter, type) {
+  return emitter.listeners(type).length;
+};
+/*</replacement>*/
+
+/*<replacement>*/
+var Stream = require('./internal/streams/stream');
+/*</replacement>*/
+
+// TODO(bmeurer): Change this back to const once hole checks are
+// properly optimized away early in Ignition+TurboFan.
+/*<replacement>*/
+var Buffer = require('safe-buffer').Buffer;
+var OurUint8Array = global.Uint8Array || function () {};
+function _uint8ArrayToBuffer(chunk) {
+  return Buffer.from(chunk);
+}
+function _isUint8Array(obj) {
+  return Buffer.isBuffer(obj) || obj instanceof OurUint8Array;
+}
+/*</replacement>*/
+
+/*<replacement>*/
+var util = require('core-util-is');
+util.inherits = require('inherits');
+/*</replacement>*/
+
+/*<replacement>*/
+var debugUtil = require('util');
+var debug = void 0;
+if (debugUtil && debugUtil.debuglog) {
+  debug = debugUtil.debuglog('stream');
+} else {
+  debug = function () {};
+}
+/*</replacement>*/
+
+var BufferList = require('./internal/streams/BufferList');
+var destroyImpl = require('./internal/streams/destroy');
+var StringDecoder;
+
+util.inherits(Readable, Stream);
+
+var kProxyEvents = ['error', 'close', 'destroy', 'pause', 'resume'];
+
+function prependListener(emitter, event, fn) {
+  // Sadly this is not cacheable as some libraries bundle their own
+  // event emitter implementation with them.
+  if (typeof emitter.prependListener === 'function') {
+    return emitter.prependListener(event, fn);
+  } else {
+    // This is a hack to make sure that our error handler is attached before any
+    // userland ones.  NEVER DO THIS. This is here only because this code needs
+    // to continue to work with older versions of Node.js that do not include
+    // the prependListener() method. The goal is to eventually remove this hack.
+    if (!emitter._events || !emitter._events[event]) emitter.on(event, fn);else if (isArray(emitter._events[event])) emitter._events[event].unshift(fn);else emitter._events[event] = [fn, emitter._events[event]];
+  }
+}
+
+function ReadableState(options, stream) {
+  Duplex = Duplex || require('./_stream_duplex');
+
+  options = options || {};
+
+  // object stream flag. Used to make read(n) ignore n and to
+  // make all the buffer merging and length checks go away
+  this.objectMode = !!options.objectMode;
+
+  if (stream instanceof Duplex) this.objectMode = this.objectMode || !!options.readableObjectMode;
+
+  // the point at which it stops calling _read() to fill the buffer
+  // Note: 0 is a valid value, means "don't call _read preemptively ever"
+  var hwm = options.highWaterMark;
+  var defaultHwm = this.objectMode ? 16 : 16 * 1024;
+  this.highWaterMark = hwm || hwm === 0 ? hwm : defaultHwm;
+
+  // cast to ints.
+  this.highWaterMark = Math.floor(this.highWaterMark);
+
+  // A linked list is used to store data chunks instead of an array because the
+  // linked list can remove elements from the beginning faster than
+  // array.shift()
+  this.buffer = new BufferList();
+  this.length = 0;
+  this.pipes = null;
+  this.pipesCount = 0;
+  this.flowing = null;
+  this.ended = false;
+  this.endEmitted = false;
+  this.reading = false;
+
+  // a flag to be able to tell if the event 'readable'/'data' is emitted
+  // immediately, or on a later tick.  We set this to true at first, because
+  // any actions that shouldn't happen until "later" should generally also
+  // not happen before the first read call.
+  this.sync = true;
+
+  // whenever we return null, then we set a flag to say
+  // that we're awaiting a 'readable' event emission.
+  this.needReadable = false;
+  this.emittedReadable = false;
+  this.readableListening = false;
+  this.resumeScheduled = false;
+
+  // has it been destroyed
+  this.destroyed = false;
+
+  // Crypto is kind of old and crusty.  Historically, its default string
+  // encoding is 'binary' so we have to make this configurable.
+  // Everything else in the universe uses 'utf8', though.
+  this.defaultEncoding = options.defaultEncoding || 'utf8';
+
+  // the number of writers that are awaiting a drain event in .pipe()s
+  this.awaitDrain = 0;
+
+  // if true, a maybeReadMore has been scheduled
+  this.readingMore = false;
+
+  this.decoder = null;
+  this.encoding = null;
+  if (options.encoding) {
+    if (!StringDecoder) StringDecoder = require('string_decoder/').StringDecoder;
+    this.decoder = new StringDecoder(options.encoding);
+    this.encoding = options.encoding;
+  }
+}
+
+function Readable(options) {
+  Duplex = Duplex || require('./_stream_duplex');
+
+  if (!(this instanceof Readable)) return new Readable(options);
+
+  this._readableState = new ReadableState(options, this);
+
+  // legacy
+  this.readable = true;
+
+  if (options) {
+    if (typeof options.read === 'function') this._read = options.read;
+
+    if (typeof options.destroy === 'function') this._destroy = options.destroy;
+  }
+
+  Stream.call(this);
+}
+
+Object.defineProperty(Readable.prototype, 'destroyed', {
+  get: function () {
+    if (this._readableState === undefined) {
+      return false;
+    }
+    return this._readableState.destroyed;
+  },
+  set: function (value) {
+    // we ignore the value if the stream
+    // has not been initialized yet
+    if (!this._readableState) {
+      return;
+    }
+
+    // backward compatibility, the user is explicitly
+    // managing destroyed
+    this._readableState.destroyed = value;
+  }
+});
+
+Readable.prototype.destroy = destroyImpl.destroy;
+Readable.prototype._undestroy = destroyImpl.undestroy;
+Readable.prototype._destroy = function (err, cb) {
+  this.push(null);
+  cb(err);
+};
+
+// Manually shove something into the read() buffer.
+// This returns true if the highWaterMark has not been hit yet,
+// similar to how Writable.write() returns true if you should
+// write() some more.
+Readable.prototype.push = function (chunk, encoding) {
+  var state = this._readableState;
+  var skipChunkCheck;
+
+  if (!state.objectMode) {
+    if (typeof chunk === 'string') {
+      encoding = encoding || state.defaultEncoding;
+      if (encoding !== state.encoding) {
+        chunk = Buffer.from(chunk, encoding);
+        encoding = '';
+      }
+      skipChunkCheck = true;
+    }
+  } else {
+    skipChunkCheck = true;
+  }
+
+  return readableAddChunk(this, chunk, encoding, false, skipChunkCheck);
+};
+
+// Unshift should *always* be something directly out of read()
+Readable.prototype.unshift = function (chunk) {
+  return readableAddChunk(this, chunk, null, true, false);
+};
+
+function readableAddChunk(stream, chunk, encoding, addToFront, skipChunkCheck) {
+  var state = stream._readableState;
+  if (chunk === null) {
+    state.reading = false;
+    onEofChunk(stream, state);
+  } else {
+    var er;
+    if (!skipChunkCheck) er = chunkInvalid(state, chunk);
+    if (er) {
+      stream.emit('error', er);
+    } else if (state.objectMode || chunk && chunk.length > 0) {
+      if (typeof chunk !== 'string' && !state.objectMode && Object.getPrototypeOf(chunk) !== Buffer.prototype) {
+        chunk = _uint8ArrayToBuffer(chunk);
+      }
+
+      if (addToFront) {
+        if (state.endEmitted) stream.emit('error', new Error('stream.unshift() after end event'));else addChunk(stream, state, chunk, true);
+      } else if (state.ended) {
+        stream.emit('error', new Error('stream.push() after EOF'));
+      } else {
+        state.reading = false;
+        if (state.decoder && !encoding) {
+          chunk = state.decoder.write(chunk);
+          if (state.objectMode || chunk.length !== 0) addChunk(stream, state, chunk, false);else maybeReadMore(stream, state);
+        } else {
+          addChunk(stream, state, chunk, false);
+        }
+      }
+    } else if (!addToFront) {
+      state.reading = false;
+    }
+  }
+
+  return needMoreData(state);
+}
+
+function addChunk(stream, state, chunk, addToFront) {
+  if (state.flowing && state.length === 0 && !state.sync) {
+    stream.emit('data', chunk);
+    stream.read(0);
+  } else {
+    // update the buffer info.
+    state.length += state.objectMode ? 1 : chunk.length;
+    if (addToFront) state.buffer.unshift(chunk);else state.buffer.push(chunk);
+
+    if (state.needReadable) emitReadable(stream);
+  }
+  maybeReadMore(stream, state);
+}
+
+function chunkInvalid(state, chunk) {
+  var er;
+  if (!_isUint8Array(chunk) && typeof chunk !== 'string' && chunk !== undefined && !state.objectMode) {
+    er = new TypeError('Invalid non-string/buffer chunk');
+  }
+  return er;
+}
+
+// if it's past the high water mark, we can push in some more.
+// Also, if we have no data yet, we can stand some
+// more bytes.  This is to work around cases where hwm=0,
+// such as the repl.  Also, if the push() triggered a
+// readable event, and the user called read(largeNumber) such that
+// needReadable was set, then we ought to push more, so that another
+// 'readable' event will be triggered.
+function needMoreData(state) {
+  return !state.ended && (state.needReadable || state.length < state.highWaterMark || state.length === 0);
+}
+
+Readable.prototype.isPaused = function () {
+  return this._readableState.flowing === false;
+};
+
+// backwards compatibility.
+Readable.prototype.setEncoding = function (enc) {
+  if (!StringDecoder) StringDecoder = require('string_decoder/').StringDecoder;
+  this._readableState.decoder = new StringDecoder(enc);
+  this._readableState.encoding = enc;
+  return this;
+};
+
+// Don't raise the hwm > 8MB
+var MAX_HWM = 0x800000;
+function computeNewHighWaterMark(n) {
+  if (n >= MAX_HWM) {
+    n = MAX_HWM;
+  } else {
+    // Get the next highest power of 2 to prevent increasing hwm excessively in
+    // tiny amounts
+    n--;
+    n |= n >>> 1;
+    n |= n >>> 2;
+    n |= n >>> 4;
+    n |= n >>> 8;
+    n |= n >>> 16;
+    n++;
+  }
+  return n;
+}
+
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
+function howMuchToRead(n, state) {
+  if (n <= 0 || state.length === 0 && state.ended) return 0;
+  if (state.objectMode) return 1;
+  if (n !== n) {
+    // Only flow one buffer at a time
+    if (state.flowing && state.length) return state.buffer.head.data.length;else return state.length;
+  }
+  // If we're asking for more than the current hwm, then raise the hwm.
+  if (n > state.highWaterMark) state.highWaterMark = computeNewHighWaterMark(n);
+  if (n <= state.length) return n;
+  // Don't have enough
+  if (!state.ended) {
+    state.needReadable = true;
+    return 0;
+  }
+  return state.length;
+}
+
+// you can override either this method, or the async _read(n) below.
+Readable.prototype.read = function (n) {
+  debug('read', n);
+  n = parseInt(n, 10);
+  var state = this._readableState;
+  var nOrig = n;
+
+  if (n !== 0) state.emittedReadable = false;
+
+  // if we're doing read(0) to trigger a readable event, but we
+  // already have a bunch of data in the buffer, then just trigger
+  // the 'readable' event and move on.
+  if (n === 0 && state.needReadable && (state.length >= state.highWaterMark || state.ended)) {
+    debug('read: emitReadable', state.length, state.ended);
+    if (state.length === 0 && state.ended) endReadable(this);else emitReadable(this);
+    return null;
+  }
+
+  n = howMuchToRead(n, state);
+
+  // if we've ended, and we're now clear, then finish it up.
+  if (n === 0 && state.ended) {
+    if (state.length === 0) endReadable(this);
+    return null;
+  }
+
+  // All the actual chunk generation logic needs to be
+  // *below* the call to _read.  The reason is that in certain
+  // synthetic stream cases, such as passthrough streams, _read
+  // may be a completely synchronous operation which may change
+  // the state of the read buffer, providing enough data when
+  // before there was *not* enough.
+  //
+  // So, the steps are:
+  // 1. Figure out what the state of things will be after we do
+  // a read from the buffer.
+  //
+  // 2. If that resulting state will trigger a _read, then call _read.
+  // Note that this may be asynchronous, or synchronous.  Yes, it is
+  // deeply ugly to write APIs this way, but that still doesn't mean
+  // that the Readable class should behave improperly, as streams are
+  // designed to be sync/async agnostic.
+  // Take note if the _read call is sync or async (ie, if the read call
+  // has returned yet), so that we know whether or not it's safe to emit
+  // 'readable' etc.
+  //
+  // 3. Actually pull the requested chunks out of the buffer and return.
+
+  // if we need a readable event, then we need to do some reading.
+  var doRead = state.needReadable;
+  debug('need readable', doRead);
+
+  // if we currently have less than the highWaterMark, then also read some
+  if (state.length === 0 || state.length - n < state.highWaterMark) {
+    doRead = true;
+    debug('length less than watermark', doRead);
+  }
+
+  // however, if we've ended, then there's no point, and if we're already
+  // reading, then it's unnecessary.
+  if (state.ended || state.reading) {
+    doRead = false;
+    debug('reading or ended', doRead);
+  } else if (doRead) {
+    debug('do read');
+    state.reading = true;
+    state.sync = true;
+    // if the length is currently zero, then we *need* a readable event.
+    if (state.length === 0) state.needReadable = true;
+    // call internal read method
+    this._read(state.highWaterMark);
+    state.sync = false;
+    // If _read pushed data synchronously, then `reading` will be false,
+    // and we need to re-evaluate how much data we can return to the user.
+    if (!state.reading) n = howMuchToRead(nOrig, state);
+  }
+
+  var ret;
+  if (n > 0) ret = fromList(n, state);else ret = null;
+
+  if (ret === null) {
+    state.needReadable = true;
+    n = 0;
+  } else {
+    state.length -= n;
+  }
+
+  if (state.length === 0) {
+    // If we have nothing in the buffer, then we want to know
+    // as soon as we *do* get something into the buffer.
+    if (!state.ended) state.needReadable = true;
+
+    // If we tried to read() past the EOF, then emit end on the next tick.
+    if (nOrig !== n && state.ended) endReadable(this);
+  }
+
+  if (ret !== null) this.emit('data', ret);
+
+  return ret;
+};
+
+function onEofChunk(stream, state) {
+  if (state.ended) return;
+  if (state.decoder) {
+    var chunk = state.decoder.end();
+    if (chunk && chunk.length) {
+      state.buffer.push(chunk);
+      state.length += state.objectMode ? 1 : chunk.length;
+    }
+  }
+  state.ended = true;
+
+  // emit 'readable' now to make sure it gets picked up.
+  emitReadable(stream);
+}
+
+// Don't emit readable right away in sync mode, because this can trigger
+// another read() call => stack overflow.  This way, it might trigger
+// a nextTick recursion warning, but that's not so bad.
+function emitReadable(stream) {
+  var state = stream._readableState;
+  state.needReadable = false;
+  if (!state.emittedReadable) {
+    debug('emitReadable', state.flowing);
+    state.emittedReadable = true;
+    if (state.sync) processNextTick(emitReadable_, stream);else emitReadable_(stream);
+  }
+}
+
+function emitReadable_(stream) {
+  debug('emit readable');
+  stream.emit('readable');
+  flow(stream);
+}
+
+// at this point, the user has presumably seen the 'readable' event,
+// and called read() to consume some data.  that may have triggered
+// in turn another _read(n) call, in which case reading = true if
+// it's in progress.
+// However, if we're not ended, or reading, and the length < hwm,
+// then go ahead and try to read some more preemptively.
+function maybeReadMore(stream, state) {
+  if (!state.readingMore) {
+    state.readingMore = true;
+    processNextTick(maybeReadMore_, stream, state);
+  }
+}
+
+function maybeReadMore_(stream, state) {
+  var len = state.length;
+  while (!state.reading && !state.flowing && !state.ended && state.length < state.highWaterMark) {
+    debug('maybeReadMore read 0');
+    stream.read(0);
+    if (len === state.length)
+      // didn't get any data, stop spinning.
+      break;else len = state.length;
+  }
+  state.readingMore = false;
+}
+
+// abstract method.  to be overridden in specific implementation classes.
+// call cb(er, data) where data is <= n in length.
+// for virtual (non-string, non-buffer) streams, "length" is somewhat
+// arbitrary, and perhaps not very meaningful.
+Readable.prototype._read = function (n) {
+  this.emit('error', new Error('_read() is not implemented'));
+};
+
+Readable.prototype.pipe = function (dest, pipeOpts) {
+  var src = this;
+  var state = this._readableState;
+
+  switch (state.pipesCount) {
+    case 0:
+      state.pipes = dest;
+      break;
+    case 1:
+      state.pipes = [state.pipes, dest];
+      break;
+    default:
+      state.pipes.push(dest);
+      break;
+  }
+  state.pipesCount += 1;
+  debug('pipe count=%d opts=%j', state.pipesCount, pipeOpts);
+
+  var doEnd = (!pipeOpts || pipeOpts.end !== false) && dest !== process.stdout && dest !== process.stderr;
+
+  var endFn = doEnd ? onend : unpipe;
+  if (state.endEmitted) processNextTick(endFn);else src.once('end', endFn);
+
+  dest.on('unpipe', onunpipe);
+  function onunpipe(readable, unpipeInfo) {
+    debug('onunpipe');
+    if (readable === src) {
+      if (unpipeInfo && unpipeInfo.hasUnpiped === false) {
+        unpipeInfo.hasUnpiped = true;
+        cleanup();
+      }
+    }
+  }
+
+  function onend() {
+    debug('onend');
+    dest.end();
+  }
+
+  // when the dest drains, it reduces the awaitDrain counter
+  // on the source.  This would be more elegant with a .once()
+  // handler in flow(), but adding and removing repeatedly is
+  // too slow.
+  var ondrain = pipeOnDrain(src);
+  dest.on('drain', ondrain);
+
+  var cleanedUp = false;
+  function cleanup() {
+    debug('cleanup');
+    // cleanup event handlers once the pipe is broken
+    dest.removeListener('close', onclose);
+    dest.removeListener('finish', onfinish);
+    dest.removeListener('drain', ondrain);
+    dest.removeListener('error', onerror);
+    dest.removeListener('unpipe', onunpipe);
+    src.removeListener('end', onend);
+    src.removeListener('end', unpipe);
+    src.removeListener('data', ondata);
+
+    cleanedUp = true;
+
+    // if the reader is waiting for a drain event from this
+    // specific writer, then it would cause it to never start
+    // flowing again.
+    // So, if this is awaiting a drain, then we just call it now.
+    // If we don't know, then assume that we are waiting for one.
+    if (state.awaitDrain && (!dest._writableState || dest._writableState.needDrain)) ondrain();
+  }
+
+  // If the user pushes more data while we're writing to dest then we'll end up
+  // in ondata again. However, we only want to increase awaitDrain once because
+  // dest will only emit one 'drain' event for the multiple writes.
+  // => Introduce a guard on increasing awaitDrain.
+  var increasedAwaitDrain = false;
+  src.on('data', ondata);
+  function ondata(chunk) {
+    debug('ondata');
+    increasedAwaitDrain = false;
+    var ret = dest.write(chunk);
+    if (false === ret && !increasedAwaitDrain) {
+      // If the user unpiped during `dest.write()`, it is possible
+      // to get stuck in a permanently paused state if that write
+      // also returned false.
+      // => Check whether `dest` is still a piping destination.
+      if ((state.pipesCount === 1 && state.pipes === dest || state.pipesCount > 1 && indexOf(state.pipes, dest) !== -1) && !cleanedUp) {
+        debug('false write response, pause', src._readableState.awaitDrain);
+        src._readableState.awaitDrain++;
+        increasedAwaitDrain = true;
+      }
+      src.pause();
+    }
+  }
+
+  // if the dest has an error, then stop piping into it.
+  // however, don't suppress the throwing behavior for this.
+  function onerror(er) {
+    debug('onerror', er);
+    unpipe();
+    dest.removeListener('error', onerror);
+    if (EElistenerCount(dest, 'error') === 0) dest.emit('error', er);
+  }
+
+  // Make sure our error handler is attached before userland ones.
+  prependListener(dest, 'error', onerror);
+
+  // Both close and finish should trigger unpipe, but only once.
+  function onclose() {
+    dest.removeListener('finish', onfinish);
+    unpipe();
+  }
+  dest.once('close', onclose);
+  function onfinish() {
+    debug('onfinish');
+    dest.removeListener('close', onclose);
+    unpipe();
+  }
+  dest.once('finish', onfinish);
+
+  function unpipe() {
+    debug('unpipe');
+    src.unpipe(dest);
+  }
+
+  // tell the dest that it's being piped to
+  dest.emit('pipe', src);
+
+  // start the flow if it hasn't been started already.
+  if (!state.flowing) {
+    debug('pipe resume');
+    src.resume();
+  }
+
+  return dest;
+};
+
+function pipeOnDrain(src) {
+  return function () {
+    var state = src._readableState;
+    debug('pipeOnDrain', state.awaitDrain);
+    if (state.awaitDrain) state.awaitDrain--;
+    if (state.awaitDrain === 0 && EElistenerCount(src, 'data')) {
+      state.flowing = true;
+      flow(src);
+    }
+  };
+}
+
+Readable.prototype.unpipe = function (dest) {
+  var state = this._readableState;
+  var unpipeInfo = { hasUnpiped: false };
+
+  // if we're not piping anywhere, then do nothing.
+  if (state.pipesCount === 0) return this;
+
+  // just one destination.  most common case.
+  if (state.pipesCount === 1) {
+    // passed in one, but it's not the right one.
+    if (dest && dest !== state.pipes) return this;
+
+    if (!dest) dest = state.pipes;
+
+    // got a match.
+    state.pipes = null;
+    state.pipesCount = 0;
+    state.flowing = false;
+    if (dest) dest.emit('unpipe', this, unpipeInfo);
+    return this;
+  }
+
+  // slow case. multiple pipe destinations.
+
+  if (!dest) {
+    // remove all.
+    var dests = state.pipes;
+    var len = state.pipesCount;
+    state.pipes = null;
+    state.pipesCount = 0;
+    state.flowing = false;
+
+    for (var i = 0; i < len; i++) {
+      dests[i].emit('unpipe', this, unpipeInfo);
+    }return this;
+  }
+
+  // try to find the right one.
+  var index = indexOf(state.pipes, dest);
+  if (index === -1) return this;
+
+  state.pipes.splice(index, 1);
+  state.pipesCount -= 1;
+  if (state.pipesCount === 1) state.pipes = state.pipes[0];
+
+  dest.emit('unpipe', this, unpipeInfo);
+
+  return this;
+};
+
+// set up data events if they are asked for
+// Ensure readable listeners eventually get something
+Readable.prototype.on = function (ev, fn) {
+  var res = Stream.prototype.on.call(this, ev, fn);
+
+  if (ev === 'data') {
+    // Start flowing on next tick if stream isn't explicitly paused
+    if (this._readableState.flowing !== false) this.resume();
+  } else if (ev === 'readable') {
+    var state = this._readableState;
+    if (!state.endEmitted && !state.readableListening) {
+      state.readableListening = state.needReadable = true;
+      state.emittedReadable = false;
+      if (!state.reading) {
+        processNextTick(nReadingNextTick, this);
+      } else if (state.length) {
+        emitReadable(this);
+      }
+    }
+  }
+
+  return res;
+};
+Readable.prototype.addListener = Readable.prototype.on;
+
+function nReadingNextTick(self) {
+  debug('readable nexttick read 0');
+  self.read(0);
+}
+
+// pause() and resume() are remnants of the legacy readable stream API
+// If the user uses them, then switch into old mode.
+Readable.prototype.resume = function () {
+  var state = this._readableState;
+  if (!state.flowing) {
+    debug('resume');
+    state.flowing = true;
+    resume(this, state);
+  }
+  return this;
+};
+
+function resume(stream, state) {
+  if (!state.resumeScheduled) {
+    state.resumeScheduled = true;
+    processNextTick(resume_, stream, state);
+  }
+}
+
+function resume_(stream, state) {
+  if (!state.reading) {
+    debug('resume read 0');
+    stream.read(0);
+  }
+
+  state.resumeScheduled = false;
+  state.awaitDrain = 0;
+  stream.emit('resume');
+  flow(stream);
+  if (state.flowing && !state.reading) stream.read(0);
+}
+
+Readable.prototype.pause = function () {
+  debug('call pause flowing=%j', this._readableState.flowing);
+  if (false !== this._readableState.flowing) {
+    debug('pause');
+    this._readableState.flowing = false;
+    this.emit('pause');
+  }
+  return this;
+};
+
+function flow(stream) {
+  var state = stream._readableState;
+  debug('flow', state.flowing);
+  while (state.flowing && stream.read() !== null) {}
+}
+
+// wrap an old-style stream as the async data source.
+// This is *not* part of the readable stream interface.
+// It is an ugly unfortunate mess of history.
+Readable.prototype.wrap = function (stream) {
+  var state = this._readableState;
+  var paused = false;
+
+  var self = this;
+  stream.on('end', function () {
+    debug('wrapped end');
+    if (state.decoder && !state.ended) {
+      var chunk = state.decoder.end();
+      if (chunk && chunk.length) self.push(chunk);
+    }
+
+    self.push(null);
+  });
+
+  stream.on('data', function (chunk) {
+    debug('wrapped data');
+    if (state.decoder) chunk = state.decoder.write(chunk);
+
+    // don't skip over falsy values in objectMode
+    if (state.objectMode && (chunk === null || chunk === undefined)) return;else if (!state.objectMode && (!chunk || !chunk.length)) return;
+
+    var ret = self.push(chunk);
+    if (!ret) {
+      paused = true;
+      stream.pause();
+    }
+  });
+
+  // proxy all the other methods.
+  // important when wrapping filters and duplexes.
+  for (var i in stream) {
+    if (this[i] === undefined && typeof stream[i] === 'function') {
+      this[i] = function (method) {
+        return function () {
+          return stream[method].apply(stream, arguments);
+        };
+      }(i);
+    }
+  }
+
+  // proxy certain important events.
+  for (var n = 0; n < kProxyEvents.length; n++) {
+    stream.on(kProxyEvents[n], self.emit.bind(self, kProxyEvents[n]));
+  }
+
+  // when we try to consume some more bytes, simply unpause the
+  // underlying stream.
+  self._read = function (n) {
+    debug('wrapped _read', n);
+    if (paused) {
+      paused = false;
+      stream.resume();
+    }
+  };
+
+  return self;
+};
+
+// exposed for testing purposes only.
+Readable._fromList = fromList;
+
+// Pluck off n bytes from an array of buffers.
+// Length is the combined lengths of all the buffers in the list.
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
+function fromList(n, state) {
+  // nothing buffered
+  if (state.length === 0) return null;
+
+  var ret;
+  if (state.objectMode) ret = state.buffer.shift();else if (!n || n >= state.length) {
+    // read it all, truncate the list
+    if (state.decoder) ret = state.buffer.join('');else if (state.buffer.length === 1) ret = state.buffer.head.data;else ret = state.buffer.concat(state.length);
+    state.buffer.clear();
+  } else {
+    // read part of list
+    ret = fromListPartial(n, state.buffer, state.decoder);
+  }
+
+  return ret;
+}
+
+// Extracts only enough buffered data to satisfy the amount requested.
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
+function fromListPartial(n, list, hasStrings) {
+  var ret;
+  if (n < list.head.data.length) {
+    // slice is the same for buffers and strings
+    ret = list.head.data.slice(0, n);
+    list.head.data = list.head.data.slice(n);
+  } else if (n === list.head.data.length) {
+    // first chunk is a perfect match
+    ret = list.shift();
+  } else {
+    // result spans more than one buffer
+    ret = hasStrings ? copyFromBufferString(n, list) : copyFromBuffer(n, list);
+  }
+  return ret;
+}
+
+// Copies a specified amount of characters from the list of buffered data
+// chunks.
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
+function copyFromBufferString(n, list) {
+  var p = list.head;
+  var c = 1;
+  var ret = p.data;
+  n -= ret.length;
+  while (p = p.next) {
+    var str = p.data;
+    var nb = n > str.length ? str.length : n;
+    if (nb === str.length) ret += str;else ret += str.slice(0, n);
+    n -= nb;
+    if (n === 0) {
+      if (nb === str.length) {
+        ++c;
+        if (p.next) list.head = p.next;else list.head = list.tail = null;
+      } else {
+        list.head = p;
+        p.data = str.slice(nb);
+      }
+      break;
+    }
+    ++c;
+  }
+  list.length -= c;
+  return ret;
+}
+
+// Copies a specified amount of bytes from the list of buffered data chunks.
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
+function copyFromBuffer(n, list) {
+  var ret = Buffer.allocUnsafe(n);
+  var p = list.head;
+  var c = 1;
+  p.data.copy(ret);
+  n -= p.data.length;
+  while (p = p.next) {
+    var buf = p.data;
+    var nb = n > buf.length ? buf.length : n;
+    buf.copy(ret, ret.length - n, 0, nb);
+    n -= nb;
+    if (n === 0) {
+      if (nb === buf.length) {
+        ++c;
+        if (p.next) list.head = p.next;else list.head = list.tail = null;
+      } else {
+        list.head = p;
+        p.data = buf.slice(nb);
+      }
+      break;
+    }
+    ++c;
+  }
+  list.length -= c;
+  return ret;
+}
+
+function endReadable(stream) {
+  var state = stream._readableState;
+
+  // If we get here before consuming all the bytes, then that is a
+  // bug in node.  Should never happen.
+  if (state.length > 0) throw new Error('"endReadable()" called on non-empty stream');
+
+  if (!state.endEmitted) {
+    state.ended = true;
+    processNextTick(endReadableNT, state, stream);
+  }
+}
+
+function endReadableNT(state, stream) {
+  // Check that we didn't get one last unshift.
+  if (!state.endEmitted && state.length === 0) {
+    state.endEmitted = true;
+    stream.readable = false;
+    stream.emit('end');
+  }
+}
+
+function forEach(xs, f) {
+  for (var i = 0, l = xs.length; i < l; i++) {
+    f(xs[i], i);
+  }
+}
+
+function indexOf(xs, x) {
+  for (var i = 0, l = xs.length; i < l; i++) {
+    if (xs[i] === x) return i;
+  }
+  return -1;
+}
+}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"./_stream_duplex":181,"./internal/streams/BufferList":186,"./internal/streams/destroy":187,"./internal/streams/stream":188,"_process":166,"core-util-is":76,"events":126,"inherits":189,"isarray":147,"process-nextick-args":165,"safe-buffer":195,"string_decoder/":205,"util":21}],184:[function(require,module,exports){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+// a transform stream is a readable/writable stream where you do
+// something with the data.  Sometimes it's called a "filter",
+// but that's not a great name for it, since that implies a thing where
+// some bits pass through, and others are simply ignored.  (That would
+// be a valid example of a transform, of course.)
+//
+// While the output is causally related to the input, it's not a
+// necessarily symmetric or synchronous transformation.  For example,
+// a zlib stream might take multiple plain-text writes(), and then
+// emit a single compressed chunk some time in the future.
+//
+// Here's how this works:
+//
+// The Transform stream has all the aspects of the readable and writable
+// stream classes.  When you write(chunk), that calls _write(chunk,cb)
+// internally, and returns false if there's a lot of pending writes
+// buffered up.  When you call read(), that calls _read(n) until
+// there's enough pending readable data buffered up.
+//
+// In a transform stream, the written data is placed in a buffer.  When
+// _read(n) is called, it transforms the queued up data, calling the
+// buffered _write cb's as it consumes chunks.  If consuming a single
+// written chunk would result in multiple output chunks, then the first
+// outputted bit calls the readcb, and subsequent chunks just go into
+// the read buffer, and will cause it to emit 'readable' if necessary.
+//
+// This way, back-pressure is actually determined by the reading side,
+// since _read has to be called to start processing a new chunk.  However,
+// a pathological inflate type of transform can cause excessive buffering
+// here.  For example, imagine a stream where every byte of input is
+// interpreted as an integer from 0-255, and then results in that many
+// bytes of output.  Writing the 4 bytes {ff,ff,ff,ff} would result in
+// 1kb of data being output.  In this case, you could write a very small
+// amount of input, and end up with a very large amount of output.  In
+// such a pathological inflating mechanism, there'd be no way to tell
+// the system to stop doing the transform.  A single 4MB write could
+// cause the system to run out of memory.
+//
+// However, even in such a pathological case, only a single written chunk
+// would be consumed, and then the rest would wait (un-transformed) until
+// the results of the previous transformed chunk were consumed.
+
+'use strict';
+
+module.exports = Transform;
+
+var Duplex = require('./_stream_duplex');
+
+/*<replacement>*/
+var util = require('core-util-is');
+util.inherits = require('inherits');
+/*</replacement>*/
+
+util.inherits(Transform, Duplex);
+
+function TransformState(stream) {
+  this.afterTransform = function (er, data) {
+    return afterTransform(stream, er, data);
+  };
+
+  this.needTransform = false;
+  this.transforming = false;
+  this.writecb = null;
+  this.writechunk = null;
+  this.writeencoding = null;
+}
+
+function afterTransform(stream, er, data) {
+  var ts = stream._transformState;
+  ts.transforming = false;
+
+  var cb = ts.writecb;
+
+  if (!cb) {
+    return stream.emit('error', new Error('write callback called multiple times'));
+  }
+
+  ts.writechunk = null;
+  ts.writecb = null;
+
+  if (data !== null && data !== undefined) stream.push(data);
+
+  cb(er);
+
+  var rs = stream._readableState;
+  rs.reading = false;
+  if (rs.needReadable || rs.length < rs.highWaterMark) {
+    stream._read(rs.highWaterMark);
+  }
+}
+
+function Transform(options) {
+  if (!(this instanceof Transform)) return new Transform(options);
+
+  Duplex.call(this, options);
+
+  this._transformState = new TransformState(this);
+
+  var stream = this;
+
+  // start out asking for a readable event once data is transformed.
+  this._readableState.needReadable = true;
+
+  // we have implemented the _read method, and done the other things
+  // that Readable wants before the first _read call, so unset the
+  // sync guard flag.
+  this._readableState.sync = false;
+
+  if (options) {
+    if (typeof options.transform === 'function') this._transform = options.transform;
+
+    if (typeof options.flush === 'function') this._flush = options.flush;
+  }
+
+  // When the writable side finishes, then flush out anything remaining.
+  this.once('prefinish', function () {
+    if (typeof this._flush === 'function') this._flush(function (er, data) {
+      done(stream, er, data);
+    });else done(stream);
+  });
+}
+
+Transform.prototype.push = function (chunk, encoding) {
+  this._transformState.needTransform = false;
+  return Duplex.prototype.push.call(this, chunk, encoding);
+};
+
+// This is the part where you do stuff!
+// override this function in implementation classes.
+// 'chunk' is an input chunk.
+//
+// Call `push(newChunk)` to pass along transformed output
+// to the readable side.  You may call 'push' zero or more times.
+//
+// Call `cb(err)` when you are done with this chunk.  If you pass
+// an error, then that'll put the hurt on the whole operation.  If you
+// never call cb(), then you'll never get another chunk.
+Transform.prototype._transform = function (chunk, encoding, cb) {
+  throw new Error('_transform() is not implemented');
+};
+
+Transform.prototype._write = function (chunk, encoding, cb) {
+  var ts = this._transformState;
+  ts.writecb = cb;
+  ts.writechunk = chunk;
+  ts.writeencoding = encoding;
+  if (!ts.transforming) {
+    var rs = this._readableState;
+    if (ts.needTransform || rs.needReadable || rs.length < rs.highWaterMark) this._read(rs.highWaterMark);
+  }
+};
+
+// Doesn't matter what the args are here.
+// _transform does all the work.
+// That we got here means that the readable side wants more data.
+Transform.prototype._read = function (n) {
+  var ts = this._transformState;
+
+  if (ts.writechunk !== null && ts.writecb && !ts.transforming) {
+    ts.transforming = true;
+    this._transform(ts.writechunk, ts.writeencoding, ts.afterTransform);
+  } else {
+    // mark that we need a transform, so that any data that comes in
+    // will get processed, now that we've asked for it.
+    ts.needTransform = true;
+  }
+};
+
+Transform.prototype._destroy = function (err, cb) {
+  var _this = this;
+
+  Duplex.prototype._destroy.call(this, err, function (err2) {
+    cb(err2);
+    _this.emit('close');
+  });
+};
+
+function done(stream, er, data) {
+  if (er) return stream.emit('error', er);
+
+  if (data !== null && data !== undefined) stream.push(data);
+
+  // if there's nothing in the write buffer, then that means
+  // that nothing more will ever be provided
+  var ws = stream._writableState;
+  var ts = stream._transformState;
+
+  if (ws.length) throw new Error('Calling transform done when ws.length != 0');
+
+  if (ts.transforming) throw new Error('Calling transform done when still transforming');
+
+  return stream.push(null);
+}
+},{"./_stream_duplex":181,"core-util-is":76,"inherits":189}],185:[function(require,module,exports){
+(function (process,global){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+// A bit simpler than readable streams.
+// Implement an async ._write(chunk, encoding, cb), and it'll handle all
+// the drain event emission and buffering.
+
+'use strict';
+
+/*<replacement>*/
+
+var processNextTick = require('process-nextick-args');
+/*</replacement>*/
+
+module.exports = Writable;
+
+/* <replacement> */
+function WriteReq(chunk, encoding, cb) {
+  this.chunk = chunk;
+  this.encoding = encoding;
+  this.callback = cb;
+  this.next = null;
+}
+
+// It seems a linked list but it is not
+// there will be only 2 of these for each stream
+function CorkedRequest(state) {
+  var _this = this;
+
+  this.next = null;
+  this.entry = null;
+  this.finish = function () {
+    onCorkedFinish(_this, state);
+  };
+}
+/* </replacement> */
+
+/*<replacement>*/
+var asyncWrite = !process.browser && ['v0.10', 'v0.9.'].indexOf(process.version.slice(0, 5)) > -1 ? setImmediate : processNextTick;
+/*</replacement>*/
+
+/*<replacement>*/
+var Duplex;
+/*</replacement>*/
+
+Writable.WritableState = WritableState;
+
+/*<replacement>*/
+var util = require('core-util-is');
+util.inherits = require('inherits');
+/*</replacement>*/
+
+/*<replacement>*/
+var internalUtil = {
+  deprecate: require('util-deprecate')
+};
+/*</replacement>*/
+
+/*<replacement>*/
+var Stream = require('./internal/streams/stream');
+/*</replacement>*/
+
+/*<replacement>*/
+var Buffer = require('safe-buffer').Buffer;
+var OurUint8Array = global.Uint8Array || function () {};
+function _uint8ArrayToBuffer(chunk) {
+  return Buffer.from(chunk);
+}
+function _isUint8Array(obj) {
+  return Buffer.isBuffer(obj) || obj instanceof OurUint8Array;
+}
+/*</replacement>*/
+
+var destroyImpl = require('./internal/streams/destroy');
+
+util.inherits(Writable, Stream);
+
+function nop() {}
+
+function WritableState(options, stream) {
+  Duplex = Duplex || require('./_stream_duplex');
+
+  options = options || {};
+
+  // object stream flag to indicate whether or not this stream
+  // contains buffers or objects.
+  this.objectMode = !!options.objectMode;
+
+  if (stream instanceof Duplex) this.objectMode = this.objectMode || !!options.writableObjectMode;
+
+  // the point at which write() starts returning false
+  // Note: 0 is a valid value, means that we always return false if
+  // the entire buffer is not flushed immediately on write()
+  var hwm = options.highWaterMark;
+  var defaultHwm = this.objectMode ? 16 : 16 * 1024;
+  this.highWaterMark = hwm || hwm === 0 ? hwm : defaultHwm;
+
+  // cast to ints.
+  this.highWaterMark = Math.floor(this.highWaterMark);
+
+  // if _final has been called
+  this.finalCalled = false;
+
+  // drain event flag.
+  this.needDrain = false;
+  // at the start of calling end()
+  this.ending = false;
+  // when end() has been called, and returned
+  this.ended = false;
+  // when 'finish' is emitted
+  this.finished = false;
+
+  // has it been destroyed
+  this.destroyed = false;
+
+  // should we decode strings into buffers before passing to _write?
+  // this is here so that some node-core streams can optimize string
+  // handling at a lower level.
+  var noDecode = options.decodeStrings === false;
+  this.decodeStrings = !noDecode;
+
+  // Crypto is kind of old and crusty.  Historically, its default string
+  // encoding is 'binary' so we have to make this configurable.
+  // Everything else in the universe uses 'utf8', though.
+  this.defaultEncoding = options.defaultEncoding || 'utf8';
+
+  // not an actual buffer we keep track of, but a measurement
+  // of how much we're waiting to get pushed to some underlying
+  // socket or file.
+  this.length = 0;
+
+  // a flag to see when we're in the middle of a write.
+  this.writing = false;
+
+  // when true all writes will be buffered until .uncork() call
+  this.corked = 0;
+
+  // a flag to be able to tell if the onwrite cb is called immediately,
+  // or on a later tick.  We set this to true at first, because any
+  // actions that shouldn't happen until "later" should generally also
+  // not happen before the first write call.
+  this.sync = true;
+
+  // a flag to know if we're processing previously buffered items, which
+  // may call the _write() callback in the same tick, so that we don't
+  // end up in an overlapped onwrite situation.
+  this.bufferProcessing = false;
+
+  // the callback that's passed to _write(chunk,cb)
+  this.onwrite = function (er) {
+    onwrite(stream, er);
+  };
+
+  // the callback that the user supplies to write(chunk,encoding,cb)
+  this.writecb = null;
+
+  // the amount that is being written when _write is called.
+  this.writelen = 0;
+
+  this.bufferedRequest = null;
+  this.lastBufferedRequest = null;
+
+  // number of pending user-supplied write callbacks
+  // this must be 0 before 'finish' can be emitted
+  this.pendingcb = 0;
+
+  // emit prefinish if the only thing we're waiting for is _write cbs
+  // This is relevant for synchronous Transform streams
+  this.prefinished = false;
+
+  // True if the error was already emitted and should not be thrown again
+  this.errorEmitted = false;
+
+  // count buffered requests
+  this.bufferedRequestCount = 0;
+
+  // allocate the first CorkedRequest, there is always
+  // one allocated and free to use, and we maintain at most two
+  this.corkedRequestsFree = new CorkedRequest(this);
+}
+
+WritableState.prototype.getBuffer = function getBuffer() {
+  var current = this.bufferedRequest;
+  var out = [];
+  while (current) {
+    out.push(current);
+    current = current.next;
+  }
+  return out;
+};
+
+(function () {
+  try {
+    Object.defineProperty(WritableState.prototype, 'buffer', {
+      get: internalUtil.deprecate(function () {
+        return this.getBuffer();
+      }, '_writableState.buffer is deprecated. Use _writableState.getBuffer ' + 'instead.', 'DEP0003')
+    });
+  } catch (_) {}
+})();
+
+// Test _writableState for inheritance to account for Duplex streams,
+// whose prototype chain only points to Readable.
+var realHasInstance;
+if (typeof Symbol === 'function' && Symbol.hasInstance && typeof Function.prototype[Symbol.hasInstance] === 'function') {
+  realHasInstance = Function.prototype[Symbol.hasInstance];
+  Object.defineProperty(Writable, Symbol.hasInstance, {
+    value: function (object) {
+      if (realHasInstance.call(this, object)) return true;
+
+      return object && object._writableState instanceof WritableState;
+    }
+  });
+} else {
+  realHasInstance = function (object) {
+    return object instanceof this;
+  };
+}
+
+function Writable(options) {
+  Duplex = Duplex || require('./_stream_duplex');
+
+  // Writable ctor is applied to Duplexes, too.
+  // `realHasInstance` is necessary because using plain `instanceof`
+  // would return false, as no `_writableState` property is attached.
+
+  // Trying to use the custom `instanceof` for Writable here will also break the
+  // Node.js LazyTransform implementation, which has a non-trivial getter for
+  // `_writableState` that would lead to infinite recursion.
+  if (!realHasInstance.call(Writable, this) && !(this instanceof Duplex)) {
+    return new Writable(options);
+  }
+
+  this._writableState = new WritableState(options, this);
+
+  // legacy.
+  this.writable = true;
+
+  if (options) {
+    if (typeof options.write === 'function') this._write = options.write;
+
+    if (typeof options.writev === 'function') this._writev = options.writev;
+
+    if (typeof options.destroy === 'function') this._destroy = options.destroy;
+
+    if (typeof options.final === 'function') this._final = options.final;
+  }
+
+  Stream.call(this);
+}
+
+// Otherwise people can pipe Writable streams, which is just wrong.
+Writable.prototype.pipe = function () {
+  this.emit('error', new Error('Cannot pipe, not readable'));
+};
+
+function writeAfterEnd(stream, cb) {
+  var er = new Error('write after end');
+  // TODO: defer error events consistently everywhere, not just the cb
+  stream.emit('error', er);
+  processNextTick(cb, er);
+}
+
+// Checks that a user-supplied chunk is valid, especially for the particular
+// mode the stream is in. Currently this means that `null` is never accepted
+// and undefined/non-string values are only allowed in object mode.
+function validChunk(stream, state, chunk, cb) {
+  var valid = true;
+  var er = false;
+
+  if (chunk === null) {
+    er = new TypeError('May not write null values to stream');
+  } else if (typeof chunk !== 'string' && chunk !== undefined && !state.objectMode) {
+    er = new TypeError('Invalid non-string/buffer chunk');
+  }
+  if (er) {
+    stream.emit('error', er);
+    processNextTick(cb, er);
+    valid = false;
+  }
+  return valid;
+}
+
+Writable.prototype.write = function (chunk, encoding, cb) {
+  var state = this._writableState;
+  var ret = false;
+  var isBuf = _isUint8Array(chunk) && !state.objectMode;
+
+  if (isBuf && !Buffer.isBuffer(chunk)) {
+    chunk = _uint8ArrayToBuffer(chunk);
+  }
+
+  if (typeof encoding === 'function') {
+    cb = encoding;
+    encoding = null;
+  }
+
+  if (isBuf) encoding = 'buffer';else if (!encoding) encoding = state.defaultEncoding;
+
+  if (typeof cb !== 'function') cb = nop;
+
+  if (state.ended) writeAfterEnd(this, cb);else if (isBuf || validChunk(this, state, chunk, cb)) {
+    state.pendingcb++;
+    ret = writeOrBuffer(this, state, isBuf, chunk, encoding, cb);
+  }
+
+  return ret;
+};
+
+Writable.prototype.cork = function () {
+  var state = this._writableState;
+
+  state.corked++;
+};
+
+Writable.prototype.uncork = function () {
+  var state = this._writableState;
+
+  if (state.corked) {
+    state.corked--;
+
+    if (!state.writing && !state.corked && !state.finished && !state.bufferProcessing && state.bufferedRequest) clearBuffer(this, state);
+  }
+};
+
+Writable.prototype.setDefaultEncoding = function setDefaultEncoding(encoding) {
+  // node::ParseEncoding() requires lower case.
+  if (typeof encoding === 'string') encoding = encoding.toLowerCase();
+  if (!(['hex', 'utf8', 'utf-8', 'ascii', 'binary', 'base64', 'ucs2', 'ucs-2', 'utf16le', 'utf-16le', 'raw'].indexOf((encoding + '').toLowerCase()) > -1)) throw new TypeError('Unknown encoding: ' + encoding);
+  this._writableState.defaultEncoding = encoding;
+  return this;
+};
+
+function decodeChunk(state, chunk, encoding) {
+  if (!state.objectMode && state.decodeStrings !== false && typeof chunk === 'string') {
+    chunk = Buffer.from(chunk, encoding);
+  }
+  return chunk;
+}
+
+// if we're already writing something, then just put this
+// in the queue, and wait our turn.  Otherwise, call _write
+// If we return false, then we need a drain event, so set that flag.
+function writeOrBuffer(stream, state, isBuf, chunk, encoding, cb) {
+  if (!isBuf) {
+    var newChunk = decodeChunk(state, chunk, encoding);
+    if (chunk !== newChunk) {
+      isBuf = true;
+      encoding = 'buffer';
+      chunk = newChunk;
+    }
+  }
+  var len = state.objectMode ? 1 : chunk.length;
+
+  state.length += len;
+
+  var ret = state.length < state.highWaterMark;
+  // we must ensure that previous needDrain will not be reset to false.
+  if (!ret) state.needDrain = true;
+
+  if (state.writing || state.corked) {
+    var last = state.lastBufferedRequest;
+    state.lastBufferedRequest = {
+      chunk: chunk,
+      encoding: encoding,
+      isBuf: isBuf,
+      callback: cb,
+      next: null
+    };
+    if (last) {
+      last.next = state.lastBufferedRequest;
+    } else {
+      state.bufferedRequest = state.lastBufferedRequest;
+    }
+    state.bufferedRequestCount += 1;
+  } else {
+    doWrite(stream, state, false, len, chunk, encoding, cb);
+  }
+
+  return ret;
+}
+
+function doWrite(stream, state, writev, len, chunk, encoding, cb) {
+  state.writelen = len;
+  state.writecb = cb;
+  state.writing = true;
+  state.sync = true;
+  if (writev) stream._writev(chunk, state.onwrite);else stream._write(chunk, encoding, state.onwrite);
+  state.sync = false;
+}
+
+function onwriteError(stream, state, sync, er, cb) {
+  --state.pendingcb;
+
+  if (sync) {
+    // defer the callback if we are being called synchronously
+    // to avoid piling up things on the stack
+    processNextTick(cb, er);
+    // this can emit finish, and it will always happen
+    // after error
+    processNextTick(finishMaybe, stream, state);
+    stream._writableState.errorEmitted = true;
+    stream.emit('error', er);
+  } else {
+    // the caller expect this to happen before if
+    // it is async
+    cb(er);
+    stream._writableState.errorEmitted = true;
+    stream.emit('error', er);
+    // this can emit finish, but finish must
+    // always follow error
+    finishMaybe(stream, state);
+  }
+}
+
+function onwriteStateUpdate(state) {
+  state.writing = false;
+  state.writecb = null;
+  state.length -= state.writelen;
+  state.writelen = 0;
+}
+
+function onwrite(stream, er) {
+  var state = stream._writableState;
+  var sync = state.sync;
+  var cb = state.writecb;
+
+  onwriteStateUpdate(state);
+
+  if (er) onwriteError(stream, state, sync, er, cb);else {
+    // Check if we're actually ready to finish, but don't emit yet
+    var finished = needFinish(state);
+
+    if (!finished && !state.corked && !state.bufferProcessing && state.bufferedRequest) {
+      clearBuffer(stream, state);
+    }
+
+    if (sync) {
+      /*<replacement>*/
+      asyncWrite(afterWrite, stream, state, finished, cb);
+      /*</replacement>*/
+    } else {
+      afterWrite(stream, state, finished, cb);
+    }
+  }
+}
+
+function afterWrite(stream, state, finished, cb) {
+  if (!finished) onwriteDrain(stream, state);
+  state.pendingcb--;
+  cb();
+  finishMaybe(stream, state);
+}
+
+// Must force callback to be called on nextTick, so that we don't
+// emit 'drain' before the write() consumer gets the 'false' return
+// value, and has a chance to attach a 'drain' listener.
+function onwriteDrain(stream, state) {
+  if (state.length === 0 && state.needDrain) {
+    state.needDrain = false;
+    stream.emit('drain');
+  }
+}
+
+// if there's something in the buffer waiting, then process it
+function clearBuffer(stream, state) {
+  state.bufferProcessing = true;
+  var entry = state.bufferedRequest;
+
+  if (stream._writev && entry && entry.next) {
+    // Fast case, write everything using _writev()
+    var l = state.bufferedRequestCount;
+    var buffer = new Array(l);
+    var holder = state.corkedRequestsFree;
+    holder.entry = entry;
+
+    var count = 0;
+    var allBuffers = true;
+    while (entry) {
+      buffer[count] = entry;
+      if (!entry.isBuf) allBuffers = false;
+      entry = entry.next;
+      count += 1;
+    }
+    buffer.allBuffers = allBuffers;
+
+    doWrite(stream, state, true, state.length, buffer, '', holder.finish);
+
+    // doWrite is almost always async, defer these to save a bit of time
+    // as the hot path ends with doWrite
+    state.pendingcb++;
+    state.lastBufferedRequest = null;
+    if (holder.next) {
+      state.corkedRequestsFree = holder.next;
+      holder.next = null;
+    } else {
+      state.corkedRequestsFree = new CorkedRequest(state);
+    }
+  } else {
+    // Slow case, write chunks one-by-one
+    while (entry) {
+      var chunk = entry.chunk;
+      var encoding = entry.encoding;
+      var cb = entry.callback;
+      var len = state.objectMode ? 1 : chunk.length;
+
+      doWrite(stream, state, false, len, chunk, encoding, cb);
+      entry = entry.next;
+      // if we didn't call the onwrite immediately, then
+      // it means that we need to wait until it does.
+      // also, that means that the chunk and cb are currently
+      // being processed, so move the buffer counter past them.
+      if (state.writing) {
+        break;
+      }
+    }
+
+    if (entry === null) state.lastBufferedRequest = null;
+  }
+
+  state.bufferedRequestCount = 0;
+  state.bufferedRequest = entry;
+  state.bufferProcessing = false;
+}
+
+Writable.prototype._write = function (chunk, encoding, cb) {
+  cb(new Error('_write() is not implemented'));
+};
+
+Writable.prototype._writev = null;
+
+Writable.prototype.end = function (chunk, encoding, cb) {
+  var state = this._writableState;
+
+  if (typeof chunk === 'function') {
+    cb = chunk;
+    chunk = null;
+    encoding = null;
+  } else if (typeof encoding === 'function') {
+    cb = encoding;
+    encoding = null;
+  }
+
+  if (chunk !== null && chunk !== undefined) this.write(chunk, encoding);
+
+  // .end() fully uncorks
+  if (state.corked) {
+    state.corked = 1;
+    this.uncork();
+  }
+
+  // ignore unnecessary end() calls.
+  if (!state.ending && !state.finished) endWritable(this, state, cb);
+};
+
+function needFinish(state) {
+  return state.ending && state.length === 0 && state.bufferedRequest === null && !state.finished && !state.writing;
+}
+function callFinal(stream, state) {
+  stream._final(function (err) {
+    state.pendingcb--;
+    if (err) {
+      stream.emit('error', err);
+    }
+    state.prefinished = true;
+    stream.emit('prefinish');
+    finishMaybe(stream, state);
+  });
+}
+function prefinish(stream, state) {
+  if (!state.prefinished && !state.finalCalled) {
+    if (typeof stream._final === 'function') {
+      state.pendingcb++;
+      state.finalCalled = true;
+      processNextTick(callFinal, stream, state);
+    } else {
+      state.prefinished = true;
+      stream.emit('prefinish');
+    }
+  }
+}
+
+function finishMaybe(stream, state) {
+  var need = needFinish(state);
+  if (need) {
+    prefinish(stream, state);
+    if (state.pendingcb === 0) {
+      state.finished = true;
+      stream.emit('finish');
+    }
+  }
+  return need;
+}
+
+function endWritable(stream, state, cb) {
+  state.ending = true;
+  finishMaybe(stream, state);
+  if (cb) {
+    if (state.finished) processNextTick(cb);else stream.once('finish', cb);
+  }
+  state.ended = true;
+  stream.writable = false;
+}
+
+function onCorkedFinish(corkReq, state, err) {
+  var entry = corkReq.entry;
+  corkReq.entry = null;
+  while (entry) {
+    var cb = entry.callback;
+    state.pendingcb--;
+    cb(err);
+    entry = entry.next;
+  }
+  if (state.corkedRequestsFree) {
+    state.corkedRequestsFree.next = corkReq;
+  } else {
+    state.corkedRequestsFree = corkReq;
+  }
+}
+
+Object.defineProperty(Writable.prototype, 'destroyed', {
+  get: function () {
+    if (this._writableState === undefined) {
+      return false;
+    }
+    return this._writableState.destroyed;
+  },
+  set: function (value) {
+    // we ignore the value if the stream
+    // has not been initialized yet
+    if (!this._writableState) {
+      return;
+    }
+
+    // backward compatibility, the user is explicitly
+    // managing destroyed
+    this._writableState.destroyed = value;
+  }
+});
+
+Writable.prototype.destroy = destroyImpl.destroy;
+Writable.prototype._undestroy = destroyImpl.undestroy;
+Writable.prototype._destroy = function (err, cb) {
+  this.end();
+  cb(err);
+};
+}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"./_stream_duplex":181,"./internal/streams/destroy":187,"./internal/streams/stream":188,"_process":166,"core-util-is":76,"inherits":189,"process-nextick-args":165,"safe-buffer":195,"util-deprecate":209}],186:[function(require,module,exports){
+'use strict';
+
+/*<replacement>*/
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var Buffer = require('safe-buffer').Buffer;
+/*</replacement>*/
+
+function copyBuffer(src, target, offset) {
+  src.copy(target, offset);
+}
+
+module.exports = function () {
+  function BufferList() {
+    _classCallCheck(this, BufferList);
+
+    this.head = null;
+    this.tail = null;
+    this.length = 0;
+  }
+
+  BufferList.prototype.push = function push(v) {
+    var entry = { data: v, next: null };
+    if (this.length > 0) this.tail.next = entry;else this.head = entry;
+    this.tail = entry;
+    ++this.length;
+  };
+
+  BufferList.prototype.unshift = function unshift(v) {
+    var entry = { data: v, next: this.head };
+    if (this.length === 0) this.tail = entry;
+    this.head = entry;
+    ++this.length;
+  };
+
+  BufferList.prototype.shift = function shift() {
+    if (this.length === 0) return;
+    var ret = this.head.data;
+    if (this.length === 1) this.head = this.tail = null;else this.head = this.head.next;
+    --this.length;
+    return ret;
+  };
+
+  BufferList.prototype.clear = function clear() {
+    this.head = this.tail = null;
+    this.length = 0;
+  };
+
+  BufferList.prototype.join = function join(s) {
+    if (this.length === 0) return '';
+    var p = this.head;
+    var ret = '' + p.data;
+    while (p = p.next) {
+      ret += s + p.data;
+    }return ret;
+  };
+
+  BufferList.prototype.concat = function concat(n) {
+    if (this.length === 0) return Buffer.alloc(0);
+    if (this.length === 1) return this.head.data;
+    var ret = Buffer.allocUnsafe(n >>> 0);
+    var p = this.head;
+    var i = 0;
+    while (p) {
+      copyBuffer(p.data, ret, i);
+      i += p.data.length;
+      p = p.next;
+    }
+    return ret;
+  };
+
+  return BufferList;
+}();
+},{"safe-buffer":195}],187:[function(require,module,exports){
+'use strict';
+
+/*<replacement>*/
+
+var processNextTick = require('process-nextick-args');
+/*</replacement>*/
+
+// undocumented cb() API, needed for core, not for public API
+function destroy(err, cb) {
+  var _this = this;
+
+  var readableDestroyed = this._readableState && this._readableState.destroyed;
+  var writableDestroyed = this._writableState && this._writableState.destroyed;
+
+  if (readableDestroyed || writableDestroyed) {
+    if (cb) {
+      cb(err);
+    } else if (err && (!this._writableState || !this._writableState.errorEmitted)) {
+      processNextTick(emitErrorNT, this, err);
+    }
+    return;
+  }
+
+  // we set destroyed to true before firing error callbacks in order
+  // to make it re-entrance safe in case destroy() is called within callbacks
+
+  if (this._readableState) {
+    this._readableState.destroyed = true;
+  }
+
+  // if this is a duplex stream mark the writable part as destroyed as well
+  if (this._writableState) {
+    this._writableState.destroyed = true;
+  }
+
+  this._destroy(err || null, function (err) {
+    if (!cb && err) {
+      processNextTick(emitErrorNT, _this, err);
+      if (_this._writableState) {
+        _this._writableState.errorEmitted = true;
+      }
+    } else if (cb) {
+      cb(err);
+    }
+  });
+}
+
+function undestroy() {
+  if (this._readableState) {
+    this._readableState.destroyed = false;
+    this._readableState.reading = false;
+    this._readableState.ended = false;
+    this._readableState.endEmitted = false;
+  }
+
+  if (this._writableState) {
+    this._writableState.destroyed = false;
+    this._writableState.ended = false;
+    this._writableState.ending = false;
+    this._writableState.finished = false;
+    this._writableState.errorEmitted = false;
+  }
+}
+
+function emitErrorNT(self, err) {
+  self.emit('error', err);
+}
+
+module.exports = {
+  destroy: destroy,
+  undestroy: undestroy
+};
+},{"process-nextick-args":165}],188:[function(require,module,exports){
+module.exports = require('events').EventEmitter;
+
+},{"events":126}],189:[function(require,module,exports){
+arguments[4][141][0].apply(exports,arguments)
+},{"dup":141}],190:[function(require,module,exports){
+module.exports = require('./readable').PassThrough
+
+},{"./readable":191}],191:[function(require,module,exports){
+exports = module.exports = require('./lib/_stream_readable.js');
+exports.Stream = exports;
+exports.Readable = exports;
+exports.Writable = require('./lib/_stream_writable.js');
+exports.Duplex = require('./lib/_stream_duplex.js');
+exports.Transform = require('./lib/_stream_transform.js');
+exports.PassThrough = require('./lib/_stream_passthrough.js');
+
+},{"./lib/_stream_duplex.js":181,"./lib/_stream_passthrough.js":182,"./lib/_stream_readable.js":183,"./lib/_stream_transform.js":184,"./lib/_stream_writable.js":185}],192:[function(require,module,exports){
+module.exports = require('./readable').Transform
+
+},{"./readable":191}],193:[function(require,module,exports){
+module.exports = require('./lib/_stream_writable.js');
+
+},{"./lib/_stream_writable.js":185}],194:[function(require,module,exports){
+(function (Buffer){
+'use strict'
+var inherits = require('inherits')
+var HashBase = require('hash-base')
+
+function RIPEMD160 () {
+  HashBase.call(this, 64)
+
+  // state
+  this._a = 0x67452301
+  this._b = 0xefcdab89
+  this._c = 0x98badcfe
+  this._d = 0x10325476
+  this._e = 0xc3d2e1f0
+}
+
+inherits(RIPEMD160, HashBase)
+
+RIPEMD160.prototype._update = function () {
+  var m = new Array(16)
+  for (var i = 0; i < 16; ++i) m[i] = this._block.readInt32LE(i * 4)
+
+  var al = this._a
+  var bl = this._b
+  var cl = this._c
+  var dl = this._d
+  var el = this._e
+
+  // Mj = 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
+  // K = 0x00000000
+  // Sj = 11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8
+  al = fn1(al, bl, cl, dl, el, m[0], 0x00000000, 11); cl = rotl(cl, 10)
+  el = fn1(el, al, bl, cl, dl, m[1], 0x00000000, 14); bl = rotl(bl, 10)
+  dl = fn1(dl, el, al, bl, cl, m[2], 0x00000000, 15); al = rotl(al, 10)
+  cl = fn1(cl, dl, el, al, bl, m[3], 0x00000000, 12); el = rotl(el, 10)
+  bl = fn1(bl, cl, dl, el, al, m[4], 0x00000000, 5); dl = rotl(dl, 10)
+  al = fn1(al, bl, cl, dl, el, m[5], 0x00000000, 8); cl = rotl(cl, 10)
+  el = fn1(el, al, bl, cl, dl, m[6], 0x00000000, 7); bl = rotl(bl, 10)
+  dl = fn1(dl, el, al, bl, cl, m[7], 0x00000000, 9); al = rotl(al, 10)
+  cl = fn1(cl, dl, el, al, bl, m[8], 0x00000000, 11); el = rotl(el, 10)
+  bl = fn1(bl, cl, dl, el, al, m[9], 0x00000000, 13); dl = rotl(dl, 10)
+  al = fn1(al, bl, cl, dl, el, m[10], 0x00000000, 14); cl = rotl(cl, 10)
+  el = fn1(el, al, bl, cl, dl, m[11], 0x00000000, 15); bl = rotl(bl, 10)
+  dl = fn1(dl, el, al, bl, cl, m[12], 0x00000000, 6); al = rotl(al, 10)
+  cl = fn1(cl, dl, el, al, bl, m[13], 0x00000000, 7); el = rotl(el, 10)
+  bl = fn1(bl, cl, dl, el, al, m[14], 0x00000000, 9); dl = rotl(dl, 10)
+  al = fn1(al, bl, cl, dl, el, m[15], 0x00000000, 8); cl = rotl(cl, 10)
+
+  // Mj = 7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8
+  // K = 0x5a827999
+  // Sj = 7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12
+  el = fn2(el, al, bl, cl, dl, m[7], 0x5a827999, 7); bl = rotl(bl, 10)
+  dl = fn2(dl, el, al, bl, cl, m[4], 0x5a827999, 6); al = rotl(al, 10)
+  cl = fn2(cl, dl, el, al, bl, m[13], 0x5a827999, 8); el = rotl(el, 10)
+  bl = fn2(bl, cl, dl, el, al, m[1], 0x5a827999, 13); dl = rotl(dl, 10)
+  al = fn2(al, bl, cl, dl, el, m[10], 0x5a827999, 11); cl = rotl(cl, 10)
+  el = fn2(el, al, bl, cl, dl, m[6], 0x5a827999, 9); bl = rotl(bl, 10)
+  dl = fn2(dl, el, al, bl, cl, m[15], 0x5a827999, 7); al = rotl(al, 10)
+  cl = fn2(cl, dl, el, al, bl, m[3], 0x5a827999, 15); el = rotl(el, 10)
+  bl = fn2(bl, cl, dl, el, al, m[12], 0x5a827999, 7); dl = rotl(dl, 10)
+  al = fn2(al, bl, cl, dl, el, m[0], 0x5a827999, 12); cl = rotl(cl, 10)
+  el = fn2(el, al, bl, cl, dl, m[9], 0x5a827999, 15); bl = rotl(bl, 10)
+  dl = fn2(dl, el, al, bl, cl, m[5], 0x5a827999, 9); al = rotl(al, 10)
+  cl = fn2(cl, dl, el, al, bl, m[2], 0x5a827999, 11); el = rotl(el, 10)
+  bl = fn2(bl, cl, dl, el, al, m[14], 0x5a827999, 7); dl = rotl(dl, 10)
+  al = fn2(al, bl, cl, dl, el, m[11], 0x5a827999, 13); cl = rotl(cl, 10)
+  el = fn2(el, al, bl, cl, dl, m[8], 0x5a827999, 12); bl = rotl(bl, 10)
+
+  // Mj = 3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12
+  // K = 0x6ed9eba1
+  // Sj = 11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5
+  dl = fn3(dl, el, al, bl, cl, m[3], 0x6ed9eba1, 11); al = rotl(al, 10)
+  cl = fn3(cl, dl, el, al, bl, m[10], 0x6ed9eba1, 13); el = rotl(el, 10)
+  bl = fn3(bl, cl, dl, el, al, m[14], 0x6ed9eba1, 6); dl = rotl(dl, 10)
+  al = fn3(al, bl, cl, dl, el, m[4], 0x6ed9eba1, 7); cl = rotl(cl, 10)
+  el = fn3(el, al, bl, cl, dl, m[9], 0x6ed9eba1, 14); bl = rotl(bl, 10)
+  dl = fn3(dl, el, al, bl, cl, m[15], 0x6ed9eba1, 9); al = rotl(al, 10)
+  cl = fn3(cl, dl, el, al, bl, m[8], 0x6ed9eba1, 13); el = rotl(el, 10)
+  bl = fn3(bl, cl, dl, el, al, m[1], 0x6ed9eba1, 15); dl = rotl(dl, 10)
+  al = fn3(al, bl, cl, dl, el, m[2], 0x6ed9eba1, 14); cl = rotl(cl, 10)
+  el = fn3(el, al, bl, cl, dl, m[7], 0x6ed9eba1, 8); bl = rotl(bl, 10)
+  dl = fn3(dl, el, al, bl, cl, m[0], 0x6ed9eba1, 13); al = rotl(al, 10)
+  cl = fn3(cl, dl, el, al, bl, m[6], 0x6ed9eba1, 6); el = rotl(el, 10)
+  bl = fn3(bl, cl, dl, el, al, m[13], 0x6ed9eba1, 5); dl = rotl(dl, 10)
+  al = fn3(al, bl, cl, dl, el, m[11], 0x6ed9eba1, 12); cl = rotl(cl, 10)
+  el = fn3(el, al, bl, cl, dl, m[5], 0x6ed9eba1, 7); bl = rotl(bl, 10)
+  dl = fn3(dl, el, al, bl, cl, m[12], 0x6ed9eba1, 5); al = rotl(al, 10)
+
+  // Mj = 1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2
+  // K = 0x8f1bbcdc
+  // Sj = 11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12
+  cl = fn4(cl, dl, el, al, bl, m[1], 0x8f1bbcdc, 11); el = rotl(el, 10)
+  bl = fn4(bl, cl, dl, el, al, m[9], 0x8f1bbcdc, 12); dl = rotl(dl, 10)
+  al = fn4(al, bl, cl, dl, el, m[11], 0x8f1bbcdc, 14); cl = rotl(cl, 10)
+  el = fn4(el, al, bl, cl, dl, m[10], 0x8f1bbcdc, 15); bl = rotl(bl, 10)
+  dl = fn4(dl, el, al, bl, cl, m[0], 0x8f1bbcdc, 14); al = rotl(al, 10)
+  cl = fn4(cl, dl, el, al, bl, m[8], 0x8f1bbcdc, 15); el = rotl(el, 10)
+  bl = fn4(bl, cl, dl, el, al, m[12], 0x8f1bbcdc, 9); dl = rotl(dl, 10)
+  al = fn4(al, bl, cl, dl, el, m[4], 0x8f1bbcdc, 8); cl = rotl(cl, 10)
+  el = fn4(el, al, bl, cl, dl, m[13], 0x8f1bbcdc, 9); bl = rotl(bl, 10)
+  dl = fn4(dl, el, al, bl, cl, m[3], 0x8f1bbcdc, 14); al = rotl(al, 10)
+  cl = fn4(cl, dl, el, al, bl, m[7], 0x8f1bbcdc, 5); el = rotl(el, 10)
+  bl = fn4(bl, cl, dl, el, al, m[15], 0x8f1bbcdc, 6); dl = rotl(dl, 10)
+  al = fn4(al, bl, cl, dl, el, m[14], 0x8f1bbcdc, 8); cl = rotl(cl, 10)
+  el = fn4(el, al, bl, cl, dl, m[5], 0x8f1bbcdc, 6); bl = rotl(bl, 10)
+  dl = fn4(dl, el, al, bl, cl, m[6], 0x8f1bbcdc, 5); al = rotl(al, 10)
+  cl = fn4(cl, dl, el, al, bl, m[2], 0x8f1bbcdc, 12); el = rotl(el, 10)
+
+  // Mj = 4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13
+  // K = 0xa953fd4e
+  // Sj = 9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6
+  bl = fn5(bl, cl, dl, el, al, m[4], 0xa953fd4e, 9); dl = rotl(dl, 10)
+  al = fn5(al, bl, cl, dl, el, m[0], 0xa953fd4e, 15); cl = rotl(cl, 10)
+  el = fn5(el, al, bl, cl, dl, m[5], 0xa953fd4e, 5); bl = rotl(bl, 10)
+  dl = fn5(dl, el, al, bl, cl, m[9], 0xa953fd4e, 11); al = rotl(al, 10)
+  cl = fn5(cl, dl, el, al, bl, m[7], 0xa953fd4e, 6); el = rotl(el, 10)
+  bl = fn5(bl, cl, dl, el, al, m[12], 0xa953fd4e, 8); dl = rotl(dl, 10)
+  al = fn5(al, bl, cl, dl, el, m[2], 0xa953fd4e, 13); cl = rotl(cl, 10)
+  el = fn5(el, al, bl, cl, dl, m[10], 0xa953fd4e, 12); bl = rotl(bl, 10)
+  dl = fn5(dl, el, al, bl, cl, m[14], 0xa953fd4e, 5); al = rotl(al, 10)
+  cl = fn5(cl, dl, el, al, bl, m[1], 0xa953fd4e, 12); el = rotl(el, 10)
+  bl = fn5(bl, cl, dl, el, al, m[3], 0xa953fd4e, 13); dl = rotl(dl, 10)
+  al = fn5(al, bl, cl, dl, el, m[8], 0xa953fd4e, 14); cl = rotl(cl, 10)
+  el = fn5(el, al, bl, cl, dl, m[11], 0xa953fd4e, 11); bl = rotl(bl, 10)
+  dl = fn5(dl, el, al, bl, cl, m[6], 0xa953fd4e, 8); al = rotl(al, 10)
+  cl = fn5(cl, dl, el, al, bl, m[15], 0xa953fd4e, 5); el = rotl(el, 10)
+  bl = fn5(bl, cl, dl, el, al, m[13], 0xa953fd4e, 6); dl = rotl(dl, 10)
+
+  var ar = this._a
+  var br = this._b
+  var cr = this._c
+  var dr = this._d
+  var er = this._e
+
+  // M'j = 5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12
+  // K' = 0x50a28be6
+  // S'j = 8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6
+  ar = fn5(ar, br, cr, dr, er, m[5], 0x50a28be6, 8); cr = rotl(cr, 10)
+  er = fn5(er, ar, br, cr, dr, m[14], 0x50a28be6, 9); br = rotl(br, 10)
+  dr = fn5(dr, er, ar, br, cr, m[7], 0x50a28be6, 9); ar = rotl(ar, 10)
+  cr = fn5(cr, dr, er, ar, br, m[0], 0x50a28be6, 11); er = rotl(er, 10)
+  br = fn5(br, cr, dr, er, ar, m[9], 0x50a28be6, 13); dr = rotl(dr, 10)
+  ar = fn5(ar, br, cr, dr, er, m[2], 0x50a28be6, 15); cr = rotl(cr, 10)
+  er = fn5(er, ar, br, cr, dr, m[11], 0x50a28be6, 15); br = rotl(br, 10)
+  dr = fn5(dr, er, ar, br, cr, m[4], 0x50a28be6, 5); ar = rotl(ar, 10)
+  cr = fn5(cr, dr, er, ar, br, m[13], 0x50a28be6, 7); er = rotl(er, 10)
+  br = fn5(br, cr, dr, er, ar, m[6], 0x50a28be6, 7); dr = rotl(dr, 10)
+  ar = fn5(ar, br, cr, dr, er, m[15], 0x50a28be6, 8); cr = rotl(cr, 10)
+  er = fn5(er, ar, br, cr, dr, m[8], 0x50a28be6, 11); br = rotl(br, 10)
+  dr = fn5(dr, er, ar, br, cr, m[1], 0x50a28be6, 14); ar = rotl(ar, 10)
+  cr = fn5(cr, dr, er, ar, br, m[10], 0x50a28be6, 14); er = rotl(er, 10)
+  br = fn5(br, cr, dr, er, ar, m[3], 0x50a28be6, 12); dr = rotl(dr, 10)
+  ar = fn5(ar, br, cr, dr, er, m[12], 0x50a28be6, 6); cr = rotl(cr, 10)
+
+  // M'j = 6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2
+  // K' = 0x5c4dd124
+  // S'j = 9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11
+  er = fn4(er, ar, br, cr, dr, m[6], 0x5c4dd124, 9); br = rotl(br, 10)
+  dr = fn4(dr, er, ar, br, cr, m[11], 0x5c4dd124, 13); ar = rotl(ar, 10)
+  cr = fn4(cr, dr, er, ar, br, m[3], 0x5c4dd124, 15); er = rotl(er, 10)
+  br = fn4(br, cr, dr, er, ar, m[7], 0x5c4dd124, 7); dr = rotl(dr, 10)
+  ar = fn4(ar, br, cr, dr, er, m[0], 0x5c4dd124, 12); cr = rotl(cr, 10)
+  er = fn4(er, ar, br, cr, dr, m[13], 0x5c4dd124, 8); br = rotl(br, 10)
+  dr = fn4(dr, er, ar, br, cr, m[5], 0x5c4dd124, 9); ar = rotl(ar, 10)
+  cr = fn4(cr, dr, er, ar, br, m[10], 0x5c4dd124, 11); er = rotl(er, 10)
+  br = fn4(br, cr, dr, er, ar, m[14], 0x5c4dd124, 7); dr = rotl(dr, 10)
+  ar = fn4(ar, br, cr, dr, er, m[15], 0x5c4dd124, 7); cr = rotl(cr, 10)
+  er = fn4(er, ar, br, cr, dr, m[8], 0x5c4dd124, 12); br = rotl(br, 10)
+  dr = fn4(dr, er, ar, br, cr, m[12], 0x5c4dd124, 7); ar = rotl(ar, 10)
+  cr = fn4(cr, dr, er, ar, br, m[4], 0x5c4dd124, 6); er = rotl(er, 10)
+  br = fn4(br, cr, dr, er, ar, m[9], 0x5c4dd124, 15); dr = rotl(dr, 10)
+  ar = fn4(ar, br, cr, dr, er, m[1], 0x5c4dd124, 13); cr = rotl(cr, 10)
+  er = fn4(er, ar, br, cr, dr, m[2], 0x5c4dd124, 11); br = rotl(br, 10)
+
+  // M'j = 15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13
+  // K' = 0x6d703ef3
+  // S'j = 9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5
+  dr = fn3(dr, er, ar, br, cr, m[15], 0x6d703ef3, 9); ar = rotl(ar, 10)
+  cr = fn3(cr, dr, er, ar, br, m[5], 0x6d703ef3, 7); er = rotl(er, 10)
+  br = fn3(br, cr, dr, er, ar, m[1], 0x6d703ef3, 15); dr = rotl(dr, 10)
+  ar = fn3(ar, br, cr, dr, er, m[3], 0x6d703ef3, 11); cr = rotl(cr, 10)
+  er = fn3(er, ar, br, cr, dr, m[7], 0x6d703ef3, 8); br = rotl(br, 10)
+  dr = fn3(dr, er, ar, br, cr, m[14], 0x6d703ef3, 6); ar = rotl(ar, 10)
+  cr = fn3(cr, dr, er, ar, br, m[6], 0x6d703ef3, 6); er = rotl(er, 10)
+  br = fn3(br, cr, dr, er, ar, m[9], 0x6d703ef3, 14); dr = rotl(dr, 10)
+  ar = fn3(ar, br, cr, dr, er, m[11], 0x6d703ef3, 12); cr = rotl(cr, 10)
+  er = fn3(er, ar, br, cr, dr, m[8], 0x6d703ef3, 13); br = rotl(br, 10)
+  dr = fn3(dr, er, ar, br, cr, m[12], 0x6d703ef3, 5); ar = rotl(ar, 10)
+  cr = fn3(cr, dr, er, ar, br, m[2], 0x6d703ef3, 14); er = rotl(er, 10)
+  br = fn3(br, cr, dr, er, ar, m[10], 0x6d703ef3, 13); dr = rotl(dr, 10)
+  ar = fn3(ar, br, cr, dr, er, m[0], 0x6d703ef3, 13); cr = rotl(cr, 10)
+  er = fn3(er, ar, br, cr, dr, m[4], 0x6d703ef3, 7); br = rotl(br, 10)
+  dr = fn3(dr, er, ar, br, cr, m[13], 0x6d703ef3, 5); ar = rotl(ar, 10)
+
+  // M'j = 8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14
+  // K' = 0x7a6d76e9
+  // S'j = 15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8
+  cr = fn2(cr, dr, er, ar, br, m[8], 0x7a6d76e9, 15); er = rotl(er, 10)
+  br = fn2(br, cr, dr, er, ar, m[6], 0x7a6d76e9, 5); dr = rotl(dr, 10)
+  ar = fn2(ar, br, cr, dr, er, m[4], 0x7a6d76e9, 8); cr = rotl(cr, 10)
+  er = fn2(er, ar, br, cr, dr, m[1], 0x7a6d76e9, 11); br = rotl(br, 10)
+  dr = fn2(dr, er, ar, br, cr, m[3], 0x7a6d76e9, 14); ar = rotl(ar, 10)
+  cr = fn2(cr, dr, er, ar, br, m[11], 0x7a6d76e9, 14); er = rotl(er, 10)
+  br = fn2(br, cr, dr, er, ar, m[15], 0x7a6d76e9, 6); dr = rotl(dr, 10)
+  ar = fn2(ar, br, cr, dr, er, m[0], 0x7a6d76e9, 14); cr = rotl(cr, 10)
+  er = fn2(er, ar, br, cr, dr, m[5], 0x7a6d76e9, 6); br = rotl(br, 10)
+  dr = fn2(dr, er, ar, br, cr, m[12], 0x7a6d76e9, 9); ar = rotl(ar, 10)
+  cr = fn2(cr, dr, er, ar, br, m[2], 0x7a6d76e9, 12); er = rotl(er, 10)
+  br = fn2(br, cr, dr, er, ar, m[13], 0x7a6d76e9, 9); dr = rotl(dr, 10)
+  ar = fn2(ar, br, cr, dr, er, m[9], 0x7a6d76e9, 12); cr = rotl(cr, 10)
+  er = fn2(er, ar, br, cr, dr, m[7], 0x7a6d76e9, 5); br = rotl(br, 10)
+  dr = fn2(dr, er, ar, br, cr, m[10], 0x7a6d76e9, 15); ar = rotl(ar, 10)
+  cr = fn2(cr, dr, er, ar, br, m[14], 0x7a6d76e9, 8); er = rotl(er, 10)
+
+  // M'j = 12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11
+  // K' = 0x00000000
+  // S'j = 8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11
+  br = fn1(br, cr, dr, er, ar, m[12], 0x00000000, 8); dr = rotl(dr, 10)
+  ar = fn1(ar, br, cr, dr, er, m[15], 0x00000000, 5); cr = rotl(cr, 10)
+  er = fn1(er, ar, br, cr, dr, m[10], 0x00000000, 12); br = rotl(br, 10)
+  dr = fn1(dr, er, ar, br, cr, m[4], 0x00000000, 9); ar = rotl(ar, 10)
+  cr = fn1(cr, dr, er, ar, br, m[1], 0x00000000, 12); er = rotl(er, 10)
+  br = fn1(br, cr, dr, er, ar, m[5], 0x00000000, 5); dr = rotl(dr, 10)
+  ar = fn1(ar, br, cr, dr, er, m[8], 0x00000000, 14); cr = rotl(cr, 10)
+  er = fn1(er, ar, br, cr, dr, m[7], 0x00000000, 6); br = rotl(br, 10)
+  dr = fn1(dr, er, ar, br, cr, m[6], 0x00000000, 8); ar = rotl(ar, 10)
+  cr = fn1(cr, dr, er, ar, br, m[2], 0x00000000, 13); er = rotl(er, 10)
+  br = fn1(br, cr, dr, er, ar, m[13], 0x00000000, 6); dr = rotl(dr, 10)
+  ar = fn1(ar, br, cr, dr, er, m[14], 0x00000000, 5); cr = rotl(cr, 10)
+  er = fn1(er, ar, br, cr, dr, m[0], 0x00000000, 15); br = rotl(br, 10)
+  dr = fn1(dr, er, ar, br, cr, m[3], 0x00000000, 13); ar = rotl(ar, 10)
+  cr = fn1(cr, dr, er, ar, br, m[9], 0x00000000, 11); er = rotl(er, 10)
+  br = fn1(br, cr, dr, er, ar, m[11], 0x00000000, 11); dr = rotl(dr, 10)
+
+  // change state
+  var t = (this._b + cl + dr) | 0
+  this._b = (this._c + dl + er) | 0
+  this._c = (this._d + el + ar) | 0
+  this._d = (this._e + al + br) | 0
+  this._e = (this._a + bl + cr) | 0
+  this._a = t
+}
+
+RIPEMD160.prototype._digest = function () {
+  // create padding and handle blocks
+  this._block[this._blockOffset++] = 0x80
+  if (this._blockOffset > 56) {
+    this._block.fill(0, this._blockOffset, 64)
+    this._update()
+    this._blockOffset = 0
+  }
+
+  this._block.fill(0, this._blockOffset, 56)
+  this._block.writeUInt32LE(this._length[0], 56)
+  this._block.writeUInt32LE(this._length[1], 60)
+  this._update()
+
+  // produce result
+  var buffer = new Buffer(20)
+  buffer.writeInt32LE(this._a, 0)
+  buffer.writeInt32LE(this._b, 4)
+  buffer.writeInt32LE(this._c, 8)
+  buffer.writeInt32LE(this._d, 12)
+  buffer.writeInt32LE(this._e, 16)
+  return buffer
+}
+
+function rotl (x, n) {
+  return (x << n) | (x >>> (32 - n))
+}
+
+function fn1 (a, b, c, d, e, m, k, s) {
+  return (rotl((a + (b ^ c ^ d) + m + k) | 0, s) + e) | 0
+}
+
+function fn2 (a, b, c, d, e, m, k, s) {
+  return (rotl((a + ((b & c) | ((~b) & d)) + m + k) | 0, s) + e) | 0
+}
+
+function fn3 (a, b, c, d, e, m, k, s) {
+  return (rotl((a + ((b | (~c)) ^ d) + m + k) | 0, s) + e) | 0
+}
+
+function fn4 (a, b, c, d, e, m, k, s) {
+  return (rotl((a + ((b & d) | (c & (~d))) + m + k) | 0, s) + e) | 0
+}
+
+function fn5 (a, b, c, d, e, m, k, s) {
+  return (rotl((a + (b ^ (c | (~d))) + m + k) | 0, s) + e) | 0
+}
+
+module.exports = RIPEMD160
+
+}).call(this,require("buffer").Buffer)
+},{"buffer":70,"hash-base":128,"inherits":145}],195:[function(require,module,exports){
+/* eslint-disable node/no-deprecated-api */
+var buffer = require('buffer')
+var Buffer = buffer.Buffer
+
+// alternative to using Object.keys for old browsers
+function copyProps (src, dst) {
+  for (var key in src) {
+    dst[key] = src[key]
+  }
+}
+if (Buffer.from && Buffer.alloc && Buffer.allocUnsafe && Buffer.allocUnsafeSlow) {
+  module.exports = buffer
+} else {
+  // Copy properties from require('buffer')
+  copyProps(buffer, exports)
+  exports.Buffer = SafeBuffer
+}
+
+function SafeBuffer (arg, encodingOrOffset, length) {
+  return Buffer(arg, encodingOrOffset, length)
+}
+
+// Copy static methods from Buffer
+copyProps(Buffer, SafeBuffer)
+
+SafeBuffer.from = function (arg, encodingOrOffset, length) {
+  if (typeof arg === 'number') {
+    throw new TypeError('Argument must not be a number')
+  }
+  return Buffer(arg, encodingOrOffset, length)
+}
+
+SafeBuffer.alloc = function (size, fill, encoding) {
+  if (typeof size !== 'number') {
+    throw new TypeError('Argument must be a number')
+  }
+  var buf = Buffer(size)
+  if (fill !== undefined) {
+    if (typeof encoding === 'string') {
+      buf.fill(fill, encoding)
+    } else {
+      buf.fill(fill)
+    }
+  } else {
+    buf.fill(0)
+  }
+  return buf
+}
+
+SafeBuffer.allocUnsafe = function (size) {
+  if (typeof size !== 'number') {
+    throw new TypeError('Argument must be a number')
+  }
+  return Buffer(size)
+}
+
+SafeBuffer.allocUnsafeSlow = function (size) {
+  if (typeof size !== 'number') {
+    throw new TypeError('Argument must be a number')
+  }
+  return buffer.SlowBuffer(size)
+}
+
+},{"buffer":70}],196:[function(require,module,exports){
+var Buffer = require('safe-buffer').Buffer
+
+// prototype class for hash functions
+function Hash (blockSize, finalSize) {
+  this._block = Buffer.alloc(blockSize)
+  this._finalSize = finalSize
+  this._blockSize = blockSize
+  this._len = 0
+}
+
+Hash.prototype.update = function (data, enc) {
+  if (typeof data === 'string') {
+    enc = enc || 'utf8'
+    data = Buffer.from(data, enc)
+  }
+
+  var block = this._block
+  var blockSize = this._blockSize
+  var length = data.length
+  var accum = this._len
+
+  for (var offset = 0; offset < length;) {
+    var assigned = accum % blockSize
+    var remainder = Math.min(length - offset, blockSize - assigned)
+
+    for (var i = 0; i < remainder; i++) {
+      block[assigned + i] = data[offset + i]
+    }
+
+    accum += remainder
+    offset += remainder
+
+    if ((accum % blockSize) === 0) {
+      this._update(block)
+    }
+  }
+
+  this._len += length
+  return this
+}
+
+Hash.prototype.digest = function (enc) {
+  var rem = this._len % this._blockSize
+
+  this._block[rem] = 0x80
+
+  // zero (rem + 1) trailing bits, where (rem + 1) is the smallest
+  // non-negative solution to the equation (length + 1 + (rem + 1)) === finalSize mod blockSize
+  this._block.fill(0, rem + 1)
+
+  if (rem >= this._finalSize) {
+    this._update(this._block)
+    this._block.fill(0)
+  }
+
+  var bits = this._len * 8
+
+  // uint32
+  if (bits <= 0xffffffff) {
+    this._block.writeUInt32BE(bits, this._blockSize - 4)
+
+  // uint64
+  } else {
+    var lowBits = bits & 0xffffffff
+    var highBits = (bits - lowBits) / 0x100000000
+
+    this._block.writeUInt32BE(highBits, this._blockSize - 8)
+    this._block.writeUInt32BE(lowBits, this._blockSize - 4)
+  }
+
+  this._update(this._block)
+  var hash = this._hash()
+
+  return enc ? hash.toString(enc) : hash
+}
+
+Hash.prototype._update = function () {
+  throw new Error('_update must be implemented by subclass')
+}
+
+module.exports = Hash
+
+},{"safe-buffer":195}],197:[function(require,module,exports){
+var exports = module.exports = function SHA (algorithm) {
+  algorithm = algorithm.toLowerCase()
+
+  var Algorithm = exports[algorithm]
+  if (!Algorithm) throw new Error(algorithm + ' is not supported (we accept pull requests)')
+
+  return new Algorithm()
+}
+
+exports.sha = require('./sha')
+exports.sha1 = require('./sha1')
+exports.sha224 = require('./sha224')
+exports.sha256 = require('./sha256')
+exports.sha384 = require('./sha384')
+exports.sha512 = require('./sha512')
+
+},{"./sha":198,"./sha1":199,"./sha224":200,"./sha256":201,"./sha384":202,"./sha512":203}],198:[function(require,module,exports){
+/*
+ * A JavaScript implementation of the Secure Hash Algorithm, SHA-0, as defined
+ * in FIPS PUB 180-1
+ * This source code is derived from sha1.js of the same repository.
+ * The difference between SHA-0 and SHA-1 is just a bitwise rotate left
+ * operation was added.
+ */
+
+var inherits = require('inherits')
+var Hash = require('./hash')
+var Buffer = require('safe-buffer').Buffer
+
+var K = [
+  0x5a827999, 0x6ed9eba1, 0x8f1bbcdc | 0, 0xca62c1d6 | 0
+]
+
+var W = new Array(80)
+
+function Sha () {
+  this.init()
+  this._w = W
+
+  Hash.call(this, 64, 56)
+}
+
+inherits(Sha, Hash)
+
+Sha.prototype.init = function () {
+  this._a = 0x67452301
+  this._b = 0xefcdab89
+  this._c = 0x98badcfe
+  this._d = 0x10325476
+  this._e = 0xc3d2e1f0
+
+  return this
+}
+
+function rotl5 (num) {
+  return (num << 5) | (num >>> 27)
+}
+
+function rotl30 (num) {
+  return (num << 30) | (num >>> 2)
+}
+
+function ft (s, b, c, d) {
+  if (s === 0) return (b & c) | ((~b) & d)
+  if (s === 2) return (b & c) | (b & d) | (c & d)
+  return b ^ c ^ d
+}
+
+Sha.prototype._update = function (M) {
+  var W = this._w
+
+  var a = this._a | 0
+  var b = this._b | 0
+  var c = this._c | 0
+  var d = this._d | 0
+  var e = this._e | 0
+
+  for (var i = 0; i < 16; ++i) W[i] = M.readInt32BE(i * 4)
+  for (; i < 80; ++i) W[i] = W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16]
+
+  for (var j = 0; j < 80; ++j) {
+    var s = ~~(j / 20)
+    var t = (rotl5(a) + ft(s, b, c, d) + e + W[j] + K[s]) | 0
+
+    e = d
+    d = c
+    c = rotl30(b)
+    b = a
+    a = t
+  }
+
+  this._a = (a + this._a) | 0
+  this._b = (b + this._b) | 0
+  this._c = (c + this._c) | 0
+  this._d = (d + this._d) | 0
+  this._e = (e + this._e) | 0
+}
+
+Sha.prototype._hash = function () {
+  var H = Buffer.allocUnsafe(20)
+
+  H.writeInt32BE(this._a | 0, 0)
+  H.writeInt32BE(this._b | 0, 4)
+  H.writeInt32BE(this._c | 0, 8)
+  H.writeInt32BE(this._d | 0, 12)
+  H.writeInt32BE(this._e | 0, 16)
+
+  return H
+}
+
+module.exports = Sha
+
+},{"./hash":196,"inherits":145,"safe-buffer":195}],199:[function(require,module,exports){
+/*
+ * A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined
+ * in FIPS PUB 180-1
+ * Version 2.1a Copyright Paul Johnston 2000 - 2002.
+ * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
+ * Distributed under the BSD License
+ * See http://pajhome.org.uk/crypt/md5 for details.
+ */
+
+var inherits = require('inherits')
+var Hash = require('./hash')
+var Buffer = require('safe-buffer').Buffer
+
+var K = [
+  0x5a827999, 0x6ed9eba1, 0x8f1bbcdc | 0, 0xca62c1d6 | 0
+]
+
+var W = new Array(80)
+
+function Sha1 () {
+  this.init()
+  this._w = W
+
+  Hash.call(this, 64, 56)
+}
+
+inherits(Sha1, Hash)
+
+Sha1.prototype.init = function () {
+  this._a = 0x67452301
+  this._b = 0xefcdab89
+  this._c = 0x98badcfe
+  this._d = 0x10325476
+  this._e = 0xc3d2e1f0
+
+  return this
+}
+
+function rotl1 (num) {
+  return (num << 1) | (num >>> 31)
+}
+
+function rotl5 (num) {
+  return (num << 5) | (num >>> 27)
+}
+
+function rotl30 (num) {
+  return (num << 30) | (num >>> 2)
+}
+
+function ft (s, b, c, d) {
+  if (s === 0) return (b & c) | ((~b) & d)
+  if (s === 2) return (b & c) | (b & d) | (c & d)
+  return b ^ c ^ d
+}
+
+Sha1.prototype._update = function (M) {
+  var W = this._w
+
+  var a = this._a | 0
+  var b = this._b | 0
+  var c = this._c | 0
+  var d = this._d | 0
+  var e = this._e | 0
+
+  for (var i = 0; i < 16; ++i) W[i] = M.readInt32BE(i * 4)
+  for (; i < 80; ++i) W[i] = rotl1(W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16])
+
+  for (var j = 0; j < 80; ++j) {
+    var s = ~~(j / 20)
+    var t = (rotl5(a) + ft(s, b, c, d) + e + W[j] + K[s]) | 0
+
+    e = d
+    d = c
+    c = rotl30(b)
+    b = a
+    a = t
+  }
+
+  this._a = (a + this._a) | 0
+  this._b = (b + this._b) | 0
+  this._c = (c + this._c) | 0
+  this._d = (d + this._d) | 0
+  this._e = (e + this._e) | 0
+}
+
+Sha1.prototype._hash = function () {
+  var H = Buffer.allocUnsafe(20)
+
+  H.writeInt32BE(this._a | 0, 0)
+  H.writeInt32BE(this._b | 0, 4)
+  H.writeInt32BE(this._c | 0, 8)
+  H.writeInt32BE(this._d | 0, 12)
+  H.writeInt32BE(this._e | 0, 16)
+
+  return H
+}
+
+module.exports = Sha1
+
+},{"./hash":196,"inherits":145,"safe-buffer":195}],200:[function(require,module,exports){
+/**
+ * A JavaScript implementation of the Secure Hash Algorithm, SHA-256, as defined
+ * in FIPS 180-2
+ * Version 2.2-beta Copyright Angel Marin, Paul Johnston 2000 - 2009.
+ * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
+ *
+ */
+
+var inherits = require('inherits')
+var Sha256 = require('./sha256')
+var Hash = require('./hash')
+var Buffer = require('safe-buffer').Buffer
+
+var W = new Array(64)
+
+function Sha224 () {
+  this.init()
+
+  this._w = W // new Array(64)
+
+  Hash.call(this, 64, 56)
+}
+
+inherits(Sha224, Sha256)
+
+Sha224.prototype.init = function () {
+  this._a = 0xc1059ed8
+  this._b = 0x367cd507
+  this._c = 0x3070dd17
+  this._d = 0xf70e5939
+  this._e = 0xffc00b31
+  this._f = 0x68581511
+  this._g = 0x64f98fa7
+  this._h = 0xbefa4fa4
+
+  return this
+}
+
+Sha224.prototype._hash = function () {
+  var H = Buffer.allocUnsafe(28)
+
+  H.writeInt32BE(this._a, 0)
+  H.writeInt32BE(this._b, 4)
+  H.writeInt32BE(this._c, 8)
+  H.writeInt32BE(this._d, 12)
+  H.writeInt32BE(this._e, 16)
+  H.writeInt32BE(this._f, 20)
+  H.writeInt32BE(this._g, 24)
+
+  return H
+}
+
+module.exports = Sha224
+
+},{"./hash":196,"./sha256":201,"inherits":145,"safe-buffer":195}],201:[function(require,module,exports){
+/**
+ * A JavaScript implementation of the Secure Hash Algorithm, SHA-256, as defined
+ * in FIPS 180-2
+ * Version 2.2-beta Copyright Angel Marin, Paul Johnston 2000 - 2009.
+ * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
+ *
+ */
+
+var inherits = require('inherits')
+var Hash = require('./hash')
+var Buffer = require('safe-buffer').Buffer
+
+var K = [
+  0x428A2F98, 0x71374491, 0xB5C0FBCF, 0xE9B5DBA5,
+  0x3956C25B, 0x59F111F1, 0x923F82A4, 0xAB1C5ED5,
+  0xD807AA98, 0x12835B01, 0x243185BE, 0x550C7DC3,
+  0x72BE5D74, 0x80DEB1FE, 0x9BDC06A7, 0xC19BF174,
+  0xE49B69C1, 0xEFBE4786, 0x0FC19DC6, 0x240CA1CC,
+  0x2DE92C6F, 0x4A7484AA, 0x5CB0A9DC, 0x76F988DA,
+  0x983E5152, 0xA831C66D, 0xB00327C8, 0xBF597FC7,
+  0xC6E00BF3, 0xD5A79147, 0x06CA6351, 0x14292967,
+  0x27B70A85, 0x2E1B2138, 0x4D2C6DFC, 0x53380D13,
+  0x650A7354, 0x766A0ABB, 0x81C2C92E, 0x92722C85,
+  0xA2BFE8A1, 0xA81A664B, 0xC24B8B70, 0xC76C51A3,
+  0xD192E819, 0xD6990624, 0xF40E3585, 0x106AA070,
+  0x19A4C116, 0x1E376C08, 0x2748774C, 0x34B0BCB5,
+  0x391C0CB3, 0x4ED8AA4A, 0x5B9CCA4F, 0x682E6FF3,
+  0x748F82EE, 0x78A5636F, 0x84C87814, 0x8CC70208,
+  0x90BEFFFA, 0xA4506CEB, 0xBEF9A3F7, 0xC67178F2
+]
+
+var W = new Array(64)
+
+function Sha256 () {
+  this.init()
+
+  this._w = W // new Array(64)
+
+  Hash.call(this, 64, 56)
+}
+
+inherits(Sha256, Hash)
+
+Sha256.prototype.init = function () {
+  this._a = 0x6a09e667
+  this._b = 0xbb67ae85
+  this._c = 0x3c6ef372
+  this._d = 0xa54ff53a
+  this._e = 0x510e527f
+  this._f = 0x9b05688c
+  this._g = 0x1f83d9ab
+  this._h = 0x5be0cd19
+
+  return this
+}
+
+function ch (x, y, z) {
+  return z ^ (x & (y ^ z))
+}
+
+function maj (x, y, z) {
+  return (x & y) | (z & (x | y))
+}
+
+function sigma0 (x) {
+  return (x >>> 2 | x << 30) ^ (x >>> 13 | x << 19) ^ (x >>> 22 | x << 10)
+}
+
+function sigma1 (x) {
+  return (x >>> 6 | x << 26) ^ (x >>> 11 | x << 21) ^ (x >>> 25 | x << 7)
+}
+
+function gamma0 (x) {
+  return (x >>> 7 | x << 25) ^ (x >>> 18 | x << 14) ^ (x >>> 3)
+}
+
+function gamma1 (x) {
+  return (x >>> 17 | x << 15) ^ (x >>> 19 | x << 13) ^ (x >>> 10)
+}
+
+Sha256.prototype._update = function (M) {
+  var W = this._w
+
+  var a = this._a | 0
+  var b = this._b | 0
+  var c = this._c | 0
+  var d = this._d | 0
+  var e = this._e | 0
+  var f = this._f | 0
+  var g = this._g | 0
+  var h = this._h | 0
+
+  for (var i = 0; i < 16; ++i) W[i] = M.readInt32BE(i * 4)
+  for (; i < 64; ++i) W[i] = (gamma1(W[i - 2]) + W[i - 7] + gamma0(W[i - 15]) + W[i - 16]) | 0
+
+  for (var j = 0; j < 64; ++j) {
+    var T1 = (h + sigma1(e) + ch(e, f, g) + K[j] + W[j]) | 0
+    var T2 = (sigma0(a) + maj(a, b, c)) | 0
+
+    h = g
+    g = f
+    f = e
+    e = (d + T1) | 0
+    d = c
+    c = b
+    b = a
+    a = (T1 + T2) | 0
+  }
+
+  this._a = (a + this._a) | 0
+  this._b = (b + this._b) | 0
+  this._c = (c + this._c) | 0
+  this._d = (d + this._d) | 0
+  this._e = (e + this._e) | 0
+  this._f = (f + this._f) | 0
+  this._g = (g + this._g) | 0
+  this._h = (h + this._h) | 0
+}
+
+Sha256.prototype._hash = function () {
+  var H = Buffer.allocUnsafe(32)
+
+  H.writeInt32BE(this._a, 0)
+  H.writeInt32BE(this._b, 4)
+  H.writeInt32BE(this._c, 8)
+  H.writeInt32BE(this._d, 12)
+  H.writeInt32BE(this._e, 16)
+  H.writeInt32BE(this._f, 20)
+  H.writeInt32BE(this._g, 24)
+  H.writeInt32BE(this._h, 28)
+
+  return H
+}
+
+module.exports = Sha256
+
+},{"./hash":196,"inherits":145,"safe-buffer":195}],202:[function(require,module,exports){
+var inherits = require('inherits')
+var SHA512 = require('./sha512')
+var Hash = require('./hash')
+var Buffer = require('safe-buffer').Buffer
+
+var W = new Array(160)
+
+function Sha384 () {
+  this.init()
+  this._w = W
+
+  Hash.call(this, 128, 112)
+}
+
+inherits(Sha384, SHA512)
+
+Sha384.prototype.init = function () {
+  this._ah = 0xcbbb9d5d
+  this._bh = 0x629a292a
+  this._ch = 0x9159015a
+  this._dh = 0x152fecd8
+  this._eh = 0x67332667
+  this._fh = 0x8eb44a87
+  this._gh = 0xdb0c2e0d
+  this._hh = 0x47b5481d
+
+  this._al = 0xc1059ed8
+  this._bl = 0x367cd507
+  this._cl = 0x3070dd17
+  this._dl = 0xf70e5939
+  this._el = 0xffc00b31
+  this._fl = 0x68581511
+  this._gl = 0x64f98fa7
+  this._hl = 0xbefa4fa4
+
+  return this
+}
+
+Sha384.prototype._hash = function () {
+  var H = Buffer.allocUnsafe(48)
+
+  function writeInt64BE (h, l, offset) {
+    H.writeInt32BE(h, offset)
+    H.writeInt32BE(l, offset + 4)
+  }
+
+  writeInt64BE(this._ah, this._al, 0)
+  writeInt64BE(this._bh, this._bl, 8)
+  writeInt64BE(this._ch, this._cl, 16)
+  writeInt64BE(this._dh, this._dl, 24)
+  writeInt64BE(this._eh, this._el, 32)
+  writeInt64BE(this._fh, this._fl, 40)
+
+  return H
+}
+
+module.exports = Sha384
+
+},{"./hash":196,"./sha512":203,"inherits":145,"safe-buffer":195}],203:[function(require,module,exports){
+var inherits = require('inherits')
+var Hash = require('./hash')
+var Buffer = require('safe-buffer').Buffer
+
+var K = [
+  0x428a2f98, 0xd728ae22, 0x71374491, 0x23ef65cd,
+  0xb5c0fbcf, 0xec4d3b2f, 0xe9b5dba5, 0x8189dbbc,
+  0x3956c25b, 0xf348b538, 0x59f111f1, 0xb605d019,
+  0x923f82a4, 0xaf194f9b, 0xab1c5ed5, 0xda6d8118,
+  0xd807aa98, 0xa3030242, 0x12835b01, 0x45706fbe,
+  0x243185be, 0x4ee4b28c, 0x550c7dc3, 0xd5ffb4e2,
+  0x72be5d74, 0xf27b896f, 0x80deb1fe, 0x3b1696b1,
+  0x9bdc06a7, 0x25c71235, 0xc19bf174, 0xcf692694,
+  0xe49b69c1, 0x9ef14ad2, 0xefbe4786, 0x384f25e3,
+  0x0fc19dc6, 0x8b8cd5b5, 0x240ca1cc, 0x77ac9c65,
+  0x2de92c6f, 0x592b0275, 0x4a7484aa, 0x6ea6e483,
+  0x5cb0a9dc, 0xbd41fbd4, 0x76f988da, 0x831153b5,
+  0x983e5152, 0xee66dfab, 0xa831c66d, 0x2db43210,
+  0xb00327c8, 0x98fb213f, 0xbf597fc7, 0xbeef0ee4,
+  0xc6e00bf3, 0x3da88fc2, 0xd5a79147, 0x930aa725,
+  0x06ca6351, 0xe003826f, 0x14292967, 0x0a0e6e70,
+  0x27b70a85, 0x46d22ffc, 0x2e1b2138, 0x5c26c926,
+  0x4d2c6dfc, 0x5ac42aed, 0x53380d13, 0x9d95b3df,
+  0x650a7354, 0x8baf63de, 0x766a0abb, 0x3c77b2a8,
+  0x81c2c92e, 0x47edaee6, 0x92722c85, 0x1482353b,
+  0xa2bfe8a1, 0x4cf10364, 0xa81a664b, 0xbc423001,
+  0xc24b8b70, 0xd0f89791, 0xc76c51a3, 0x0654be30,
+  0xd192e819, 0xd6ef5218, 0xd6990624, 0x5565a910,
+  0xf40e3585, 0x5771202a, 0x106aa070, 0x32bbd1b8,
+  0x19a4c116, 0xb8d2d0c8, 0x1e376c08, 0x5141ab53,
+  0x2748774c, 0xdf8eeb99, 0x34b0bcb5, 0xe19b48a8,
+  0x391c0cb3, 0xc5c95a63, 0x4ed8aa4a, 0xe3418acb,
+  0x5b9cca4f, 0x7763e373, 0x682e6ff3, 0xd6b2b8a3,
+  0x748f82ee, 0x5defb2fc, 0x78a5636f, 0x43172f60,
+  0x84c87814, 0xa1f0ab72, 0x8cc70208, 0x1a6439ec,
+  0x90befffa, 0x23631e28, 0xa4506ceb, 0xde82bde9,
+  0xbef9a3f7, 0xb2c67915, 0xc67178f2, 0xe372532b,
+  0xca273ece, 0xea26619c, 0xd186b8c7, 0x21c0c207,
+  0xeada7dd6, 0xcde0eb1e, 0xf57d4f7f, 0xee6ed178,
+  0x06f067aa, 0x72176fba, 0x0a637dc5, 0xa2c898a6,
+  0x113f9804, 0xbef90dae, 0x1b710b35, 0x131c471b,
+  0x28db77f5, 0x23047d84, 0x32caab7b, 0x40c72493,
+  0x3c9ebe0a, 0x15c9bebc, 0x431d67c4, 0x9c100d4c,
+  0x4cc5d4be, 0xcb3e42b6, 0x597f299c, 0xfc657e2a,
+  0x5fcb6fab, 0x3ad6faec, 0x6c44198c, 0x4a475817
+]
+
+var W = new Array(160)
+
+function Sha512 () {
+  this.init()
+  this._w = W
+
+  Hash.call(this, 128, 112)
+}
+
+inherits(Sha512, Hash)
+
+Sha512.prototype.init = function () {
+  this._ah = 0x6a09e667
+  this._bh = 0xbb67ae85
+  this._ch = 0x3c6ef372
+  this._dh = 0xa54ff53a
+  this._eh = 0x510e527f
+  this._fh = 0x9b05688c
+  this._gh = 0x1f83d9ab
+  this._hh = 0x5be0cd19
+
+  this._al = 0xf3bcc908
+  this._bl = 0x84caa73b
+  this._cl = 0xfe94f82b
+  this._dl = 0x5f1d36f1
+  this._el = 0xade682d1
+  this._fl = 0x2b3e6c1f
+  this._gl = 0xfb41bd6b
+  this._hl = 0x137e2179
+
+  return this
+}
+
+function Ch (x, y, z) {
+  return z ^ (x & (y ^ z))
+}
+
+function maj (x, y, z) {
+  return (x & y) | (z & (x | y))
+}
+
+function sigma0 (x, xl) {
+  return (x >>> 28 | xl << 4) ^ (xl >>> 2 | x << 30) ^ (xl >>> 7 | x << 25)
+}
+
+function sigma1 (x, xl) {
+  return (x >>> 14 | xl << 18) ^ (x >>> 18 | xl << 14) ^ (xl >>> 9 | x << 23)
+}
+
+function Gamma0 (x, xl) {
+  return (x >>> 1 | xl << 31) ^ (x >>> 8 | xl << 24) ^ (x >>> 7)
+}
+
+function Gamma0l (x, xl) {
+  return (x >>> 1 | xl << 31) ^ (x >>> 8 | xl << 24) ^ (x >>> 7 | xl << 25)
+}
+
+function Gamma1 (x, xl) {
+  return (x >>> 19 | xl << 13) ^ (xl >>> 29 | x << 3) ^ (x >>> 6)
+}
+
+function Gamma1l (x, xl) {
+  return (x >>> 19 | xl << 13) ^ (xl >>> 29 | x << 3) ^ (x >>> 6 | xl << 26)
+}
+
+function getCarry (a, b) {
+  return (a >>> 0) < (b >>> 0) ? 1 : 0
+}
+
+Sha512.prototype._update = function (M) {
+  var W = this._w
+
+  var ah = this._ah | 0
+  var bh = this._bh | 0
+  var ch = this._ch | 0
+  var dh = this._dh | 0
+  var eh = this._eh | 0
+  var fh = this._fh | 0
+  var gh = this._gh | 0
+  var hh = this._hh | 0
+
+  var al = this._al | 0
+  var bl = this._bl | 0
+  var cl = this._cl | 0
+  var dl = this._dl | 0
+  var el = this._el | 0
+  var fl = this._fl | 0
+  var gl = this._gl | 0
+  var hl = this._hl | 0
+
+  for (var i = 0; i < 32; i += 2) {
+    W[i] = M.readInt32BE(i * 4)
+    W[i + 1] = M.readInt32BE(i * 4 + 4)
+  }
+  for (; i < 160; i += 2) {
+    var xh = W[i - 15 * 2]
+    var xl = W[i - 15 * 2 + 1]
+    var gamma0 = Gamma0(xh, xl)
+    var gamma0l = Gamma0l(xl, xh)
+
+    xh = W[i - 2 * 2]
+    xl = W[i - 2 * 2 + 1]
+    var gamma1 = Gamma1(xh, xl)
+    var gamma1l = Gamma1l(xl, xh)
+
+    // W[i] = gamma0 + W[i - 7] + gamma1 + W[i - 16]
+    var Wi7h = W[i - 7 * 2]
+    var Wi7l = W[i - 7 * 2 + 1]
+
+    var Wi16h = W[i - 16 * 2]
+    var Wi16l = W[i - 16 * 2 + 1]
+
+    var Wil = (gamma0l + Wi7l) | 0
+    var Wih = (gamma0 + Wi7h + getCarry(Wil, gamma0l)) | 0
+    Wil = (Wil + gamma1l) | 0
+    Wih = (Wih + gamma1 + getCarry(Wil, gamma1l)) | 0
+    Wil = (Wil + Wi16l) | 0
+    Wih = (Wih + Wi16h + getCarry(Wil, Wi16l)) | 0
+
+    W[i] = Wih
+    W[i + 1] = Wil
+  }
+
+  for (var j = 0; j < 160; j += 2) {
+    Wih = W[j]
+    Wil = W[j + 1]
+
+    var majh = maj(ah, bh, ch)
+    var majl = maj(al, bl, cl)
+
+    var sigma0h = sigma0(ah, al)
+    var sigma0l = sigma0(al, ah)
+    var sigma1h = sigma1(eh, el)
+    var sigma1l = sigma1(el, eh)
+
+    // t1 = h + sigma1 + ch + K[j] + W[j]
+    var Kih = K[j]
+    var Kil = K[j + 1]
+
+    var chh = Ch(eh, fh, gh)
+    var chl = Ch(el, fl, gl)
+
+    var t1l = (hl + sigma1l) | 0
+    var t1h = (hh + sigma1h + getCarry(t1l, hl)) | 0
+    t1l = (t1l + chl) | 0
+    t1h = (t1h + chh + getCarry(t1l, chl)) | 0
+    t1l = (t1l + Kil) | 0
+    t1h = (t1h + Kih + getCarry(t1l, Kil)) | 0
+    t1l = (t1l + Wil) | 0
+    t1h = (t1h + Wih + getCarry(t1l, Wil)) | 0
+
+    // t2 = sigma0 + maj
+    var t2l = (sigma0l + majl) | 0
+    var t2h = (sigma0h + majh + getCarry(t2l, sigma0l)) | 0
+
+    hh = gh
+    hl = gl
+    gh = fh
+    gl = fl
+    fh = eh
+    fl = el
+    el = (dl + t1l) | 0
+    eh = (dh + t1h + getCarry(el, dl)) | 0
+    dh = ch
+    dl = cl
+    ch = bh
+    cl = bl
+    bh = ah
+    bl = al
+    al = (t1l + t2l) | 0
+    ah = (t1h + t2h + getCarry(al, t1l)) | 0
+  }
+
+  this._al = (this._al + al) | 0
+  this._bl = (this._bl + bl) | 0
+  this._cl = (this._cl + cl) | 0
+  this._dl = (this._dl + dl) | 0
+  this._el = (this._el + el) | 0
+  this._fl = (this._fl + fl) | 0
+  this._gl = (this._gl + gl) | 0
+  this._hl = (this._hl + hl) | 0
+
+  this._ah = (this._ah + ah + getCarry(this._al, al)) | 0
+  this._bh = (this._bh + bh + getCarry(this._bl, bl)) | 0
+  this._ch = (this._ch + ch + getCarry(this._cl, cl)) | 0
+  this._dh = (this._dh + dh + getCarry(this._dl, dl)) | 0
+  this._eh = (this._eh + eh + getCarry(this._el, el)) | 0
+  this._fh = (this._fh + fh + getCarry(this._fl, fl)) | 0
+  this._gh = (this._gh + gh + getCarry(this._gl, gl)) | 0
+  this._hh = (this._hh + hh + getCarry(this._hl, hl)) | 0
+}
+
+Sha512.prototype._hash = function () {
+  var H = Buffer.allocUnsafe(64)
+
+  function writeInt64BE (h, l, offset) {
+    H.writeInt32BE(h, offset)
+    H.writeInt32BE(l, offset + 4)
+  }
+
+  writeInt64BE(this._ah, this._al, 0)
+  writeInt64BE(this._bh, this._bl, 8)
+  writeInt64BE(this._ch, this._cl, 16)
+  writeInt64BE(this._dh, this._dl, 24)
+  writeInt64BE(this._eh, this._el, 32)
+  writeInt64BE(this._fh, this._fl, 40)
+  writeInt64BE(this._gh, this._gl, 48)
+  writeInt64BE(this._hh, this._hl, 56)
+
+  return H
+}
+
+module.exports = Sha512
+
+},{"./hash":196,"inherits":145,"safe-buffer":195}],204:[function(require,module,exports){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+module.exports = Stream;
+
+var EE = require('events').EventEmitter;
+var inherits = require('inherits');
+
+inherits(Stream, EE);
+Stream.Readable = require('readable-stream/readable.js');
+Stream.Writable = require('readable-stream/writable.js');
+Stream.Duplex = require('readable-stream/duplex.js');
+Stream.Transform = require('readable-stream/transform.js');
+Stream.PassThrough = require('readable-stream/passthrough.js');
+
+// Backwards-compat with node 0.4.x
+Stream.Stream = Stream;
+
+
+
+// old-style streams.  Note that the pipe method (the only relevant
+// part of this class) is overridden in the Readable class.
+
+function Stream() {
+  EE.call(this);
+}
+
+Stream.prototype.pipe = function(dest, options) {
+  var source = this;
+
+  function ondata(chunk) {
+    if (dest.writable) {
+      if (false === dest.write(chunk) && source.pause) {
+        source.pause();
+      }
+    }
+  }
+
+  source.on('data', ondata);
+
+  function ondrain() {
+    if (source.readable && source.resume) {
+      source.resume();
+    }
+  }
+
+  dest.on('drain', ondrain);
+
+  // If the 'end' option is not supplied, dest.end() will be called when
+  // source gets the 'end' or 'close' events.  Only dest.end() once.
+  if (!dest._isStdio && (!options || options.end !== false)) {
+    source.on('end', onend);
+    source.on('close', onclose);
+  }
+
+  var didOnEnd = false;
+  function onend() {
+    if (didOnEnd) return;
+    didOnEnd = true;
+
+    dest.end();
+  }
+
+
+  function onclose() {
+    if (didOnEnd) return;
+    didOnEnd = true;
+
+    if (typeof dest.destroy === 'function') dest.destroy();
+  }
+
+  // don't leave dangling pipes when there are errors.
+  function onerror(er) {
+    cleanup();
+    if (EE.listenerCount(this, 'error') === 0) {
+      throw er; // Unhandled stream error in pipe.
+    }
+  }
+
+  source.on('error', onerror);
+  dest.on('error', onerror);
+
+  // remove all the event listeners that were added.
+  function cleanup() {
+    source.removeListener('data', ondata);
+    dest.removeListener('drain', ondrain);
+
+    source.removeListener('end', onend);
+    source.removeListener('close', onclose);
+
+    source.removeListener('error', onerror);
+    dest.removeListener('error', onerror);
+
+    source.removeListener('end', cleanup);
+    source.removeListener('close', cleanup);
+
+    dest.removeListener('close', cleanup);
+  }
+
+  source.on('end', cleanup);
+  source.on('close', cleanup);
+
+  dest.on('close', cleanup);
+
+  dest.emit('pipe', source);
+
+  // Allow for unix-like usage: A.pipe(B).pipe(C)
+  return dest;
+};
+
+},{"events":126,"inherits":145,"readable-stream/duplex.js":180,"readable-stream/passthrough.js":190,"readable-stream/readable.js":191,"readable-stream/transform.js":192,"readable-stream/writable.js":193}],205:[function(require,module,exports){
+'use strict';
+
+var Buffer = require('safe-buffer').Buffer;
+
+var isEncoding = Buffer.isEncoding || function (encoding) {
+  encoding = '' + encoding;
+  switch (encoding && encoding.toLowerCase()) {
+    case 'hex':case 'utf8':case 'utf-8':case 'ascii':case 'binary':case 'base64':case 'ucs2':case 'ucs-2':case 'utf16le':case 'utf-16le':case 'raw':
+      return true;
+    default:
+      return false;
+  }
+};
+
+function _normalizeEncoding(enc) {
+  if (!enc) return 'utf8';
+  var retried;
+  while (true) {
+    switch (enc) {
+      case 'utf8':
+      case 'utf-8':
+        return 'utf8';
+      case 'ucs2':
+      case 'ucs-2':
+      case 'utf16le':
+      case 'utf-16le':
+        return 'utf16le';
+      case 'latin1':
+      case 'binary':
+        return 'latin1';
+      case 'base64':
+      case 'ascii':
+      case 'hex':
+        return enc;
+      default:
+        if (retried) return; // undefined
+        enc = ('' + enc).toLowerCase();
+        retried = true;
+    }
+  }
+};
+
+// Do not cache `Buffer.isEncoding` when checking encoding names as some
+// modules monkey-patch it to support additional encodings
+function normalizeEncoding(enc) {
+  var nenc = _normalizeEncoding(enc);
+  if (typeof nenc !== 'string' && (Buffer.isEncoding === isEncoding || !isEncoding(enc))) throw new Error('Unknown encoding: ' + enc);
+  return nenc || enc;
+}
+
+// StringDecoder provides an interface for efficiently splitting a series of
+// buffers into a series of JS strings without breaking apart multi-byte
+// characters.
+exports.StringDecoder = StringDecoder;
+function StringDecoder(encoding) {
+  this.encoding = normalizeEncoding(encoding);
+  var nb;
+  switch (this.encoding) {
+    case 'utf16le':
+      this.text = utf16Text;
+      this.end = utf16End;
+      nb = 4;
+      break;
+    case 'utf8':
+      this.fillLast = utf8FillLast;
+      nb = 4;
+      break;
+    case 'base64':
+      this.text = base64Text;
+      this.end = base64End;
+      nb = 3;
+      break;
+    default:
+      this.write = simpleWrite;
+      this.end = simpleEnd;
+      return;
+  }
+  this.lastNeed = 0;
+  this.lastTotal = 0;
+  this.lastChar = Buffer.allocUnsafe(nb);
+}
+
+StringDecoder.prototype.write = function (buf) {
+  if (buf.length === 0) return '';
+  var r;
+  var i;
+  if (this.lastNeed) {
+    r = this.fillLast(buf);
+    if (r === undefined) return '';
+    i = this.lastNeed;
+    this.lastNeed = 0;
+  } else {
+    i = 0;
+  }
+  if (i < buf.length) return r ? r + this.text(buf, i) : this.text(buf, i);
+  return r || '';
+};
+
+StringDecoder.prototype.end = utf8End;
+
+// Returns only complete characters in a Buffer
+StringDecoder.prototype.text = utf8Text;
+
+// Attempts to complete a partial non-UTF-8 character using bytes from a Buffer
+StringDecoder.prototype.fillLast = function (buf) {
+  if (this.lastNeed <= buf.length) {
+    buf.copy(this.lastChar, this.lastTotal - this.lastNeed, 0, this.lastNeed);
+    return this.lastChar.toString(this.encoding, 0, this.lastTotal);
+  }
+  buf.copy(this.lastChar, this.lastTotal - this.lastNeed, 0, buf.length);
+  this.lastNeed -= buf.length;
+};
+
+// Checks the type of a UTF-8 byte, whether it's ASCII, a leading byte, or a
+// continuation byte.
+function utf8CheckByte(byte) {
+  if (byte <= 0x7F) return 0;else if (byte >> 5 === 0x06) return 2;else if (byte >> 4 === 0x0E) return 3;else if (byte >> 3 === 0x1E) return 4;
+  return -1;
+}
+
+// Checks at most 3 bytes at the end of a Buffer in order to detect an
+// incomplete multi-byte UTF-8 character. The total number of bytes (2, 3, or 4)
+// needed to complete the UTF-8 character (if applicable) are returned.
+function utf8CheckIncomplete(self, buf, i) {
+  var j = buf.length - 1;
+  if (j < i) return 0;
+  var nb = utf8CheckByte(buf[j]);
+  if (nb >= 0) {
+    if (nb > 0) self.lastNeed = nb - 1;
+    return nb;
+  }
+  if (--j < i) return 0;
+  nb = utf8CheckByte(buf[j]);
+  if (nb >= 0) {
+    if (nb > 0) self.lastNeed = nb - 2;
+    return nb;
+  }
+  if (--j < i) return 0;
+  nb = utf8CheckByte(buf[j]);
+  if (nb >= 0) {
+    if (nb > 0) {
+      if (nb === 2) nb = 0;else self.lastNeed = nb - 3;
+    }
+    return nb;
+  }
+  return 0;
+}
+
+// Validates as many continuation bytes for a multi-byte UTF-8 character as
+// needed or are available. If we see a non-continuation byte where we expect
+// one, we "replace" the validated continuation bytes we've seen so far with
+// UTF-8 replacement characters ('\ufffd'), to match v8's UTF-8 decoding
+// behavior. The continuation byte check is included three times in the case
+// where all of the continuation bytes for a character exist in the same buffer.
+// It is also done this way as a slight performance increase instead of using a
+// loop.
+function utf8CheckExtraBytes(self, buf, p) {
+  if ((buf[0] & 0xC0) !== 0x80) {
+    self.lastNeed = 0;
+    return '\ufffd'.repeat(p);
+  }
+  if (self.lastNeed > 1 && buf.length > 1) {
+    if ((buf[1] & 0xC0) !== 0x80) {
+      self.lastNeed = 1;
+      return '\ufffd'.repeat(p + 1);
+    }
+    if (self.lastNeed > 2 && buf.length > 2) {
+      if ((buf[2] & 0xC0) !== 0x80) {
+        self.lastNeed = 2;
+        return '\ufffd'.repeat(p + 2);
+      }
+    }
+  }
+}
+
+// Attempts to complete a multi-byte UTF-8 character using bytes from a Buffer.
+function utf8FillLast(buf) {
+  var p = this.lastTotal - this.lastNeed;
+  var r = utf8CheckExtraBytes(this, buf, p);
+  if (r !== undefined) return r;
+  if (this.lastNeed <= buf.length) {
+    buf.copy(this.lastChar, p, 0, this.lastNeed);
+    return this.lastChar.toString(this.encoding, 0, this.lastTotal);
+  }
+  buf.copy(this.lastChar, p, 0, buf.length);
+  this.lastNeed -= buf.length;
+}
+
+// Returns all complete UTF-8 characters in a Buffer. If the Buffer ended on a
+// partial character, the character's bytes are buffered until the required
+// number of bytes are available.
+function utf8Text(buf, i) {
+  var total = utf8CheckIncomplete(this, buf, i);
+  if (!this.lastNeed) return buf.toString('utf8', i);
+  this.lastTotal = total;
+  var end = buf.length - (total - this.lastNeed);
+  buf.copy(this.lastChar, 0, end);
+  return buf.toString('utf8', i, end);
+}
+
+// For UTF-8, a replacement character for each buffered byte of a (partial)
+// character needs to be added to the output.
+function utf8End(buf) {
+  var r = buf && buf.length ? this.write(buf) : '';
+  if (this.lastNeed) return r + '\ufffd'.repeat(this.lastTotal - this.lastNeed);
+  return r;
+}
+
+// UTF-16LE typically needs two bytes per character, but even if we have an even
+// number of bytes available, we need to check if we end on a leading/high
+// surrogate. In that case, we need to wait for the next two bytes in order to
+// decode the last character properly.
+function utf16Text(buf, i) {
+  if ((buf.length - i) % 2 === 0) {
+    var r = buf.toString('utf16le', i);
+    if (r) {
+      var c = r.charCodeAt(r.length - 1);
+      if (c >= 0xD800 && c <= 0xDBFF) {
+        this.lastNeed = 2;
+        this.lastTotal = 4;
+        this.lastChar[0] = buf[buf.length - 2];
+        this.lastChar[1] = buf[buf.length - 1];
+        return r.slice(0, -1);
+      }
+    }
+    return r;
+  }
+  this.lastNeed = 1;
+  this.lastTotal = 2;
+  this.lastChar[0] = buf[buf.length - 1];
+  return buf.toString('utf16le', i, buf.length - 1);
+}
+
+// For UTF-16LE we do not explicitly append special replacement characters if we
+// end on a partial character, we simply let v8 handle that.
+function utf16End(buf) {
+  var r = buf && buf.length ? this.write(buf) : '';
+  if (this.lastNeed) {
+    var end = this.lastTotal - this.lastNeed;
+    return r + this.lastChar.toString('utf16le', 0, end);
+  }
+  return r;
+}
+
+function base64Text(buf, i) {
+  var n = (buf.length - i) % 3;
+  if (n === 0) return buf.toString('base64', i);
+  this.lastNeed = 3 - n;
+  this.lastTotal = 3;
+  if (n === 1) {
+    this.lastChar[0] = buf[buf.length - 1];
+  } else {
+    this.lastChar[0] = buf[buf.length - 2];
+    this.lastChar[1] = buf[buf.length - 1];
+  }
+  return buf.toString('base64', i, buf.length - n);
+}
+
+function base64End(buf) {
+  var r = buf && buf.length ? this.write(buf) : '';
+  if (this.lastNeed) return r + this.lastChar.toString('base64', 0, 3 - this.lastNeed);
+  return r;
+}
+
+// Pass bytes on through for single-byte encodings (e.g. ascii, latin1, hex)
+function simpleWrite(buf) {
+  return buf.toString(this.encoding);
+}
+
+function simpleEnd(buf) {
+  return buf && buf.length ? this.write(buf) : '';
+}
+},{"safe-buffer":195}],206:[function(require,module,exports){
+(function (root) {
+   "use strict";
+
+/***** unorm.js *****/
+
+/*
+ * UnicodeNormalizer 1.0.0
+ * Copyright (c) 2008 Matsuza
+ * Dual licensed under the MIT (MIT-LICENSE.txt) and GPL (GPL-LICENSE.txt) licenses.
+ * $Date: 2008-06-05 16:44:17 +0200 (Thu, 05 Jun 2008) $
+ * $Rev: 13309 $
+ */
+
+   var DEFAULT_FEATURE = [null, 0, {}];
+   var CACHE_THRESHOLD = 10;
+   var SBase = 0xAC00, LBase = 0x1100, VBase = 0x1161, TBase = 0x11A7, LCount = 19, VCount = 21, TCount = 28;
+   var NCount = VCount * TCount; // 588
+   var SCount = LCount * NCount; // 11172
+
+   var UChar = function(cp, feature){
+      this.codepoint = cp;
+      this.feature = feature;
+   };
+
+   // Strategies
+   var cache = {};
+   var cacheCounter = [];
+   for (var i = 0; i <= 0xFF; ++i){
+      cacheCounter[i] = 0;
+   }
+
+   function fromCache(next, cp, needFeature){
+      var ret = cache[cp];
+      if(!ret){
+         ret = next(cp, needFeature);
+         if(!!ret.feature && ++cacheCounter[(cp >> 8) & 0xFF] > CACHE_THRESHOLD){
+            cache[cp] = ret;
+         }
+      }
+      return ret;
+   }
+
+   function fromData(next, cp, needFeature){
+      var hash = cp & 0xFF00;
+      var dunit = UChar.udata[hash] || {};
+      var f = dunit[cp];
+      return f ? new UChar(cp, f) : new UChar(cp, DEFAULT_FEATURE);
+   }
+   function fromCpOnly(next, cp, needFeature){
+      return !!needFeature ? next(cp, needFeature) : new UChar(cp, null);
+   }
+   function fromRuleBasedJamo(next, cp, needFeature){
+      var j;
+      if(cp < LBase || (LBase + LCount <= cp && cp < SBase) || (SBase + SCount < cp)){
+         return next(cp, needFeature);
+      }
+      if(LBase <= cp && cp < LBase + LCount){
+         var c = {};
+         var base = (cp - LBase) * VCount;
+         for (j = 0; j < VCount; ++j){
+            c[VBase + j] = SBase + TCount * (j + base);
+         }
+         return new UChar(cp, [,,c]);
+      }
+
+      var SIndex = cp - SBase;
+      var TIndex = SIndex % TCount;
+      var feature = [];
+      if(TIndex !== 0){
+         feature[0] = [SBase + SIndex - TIndex, TBase + TIndex];
+      } else {
+         feature[0] = [LBase + Math.floor(SIndex / NCount), VBase + Math.floor((SIndex % NCount) / TCount)];
+         feature[2] = {};
+         for (j = 1; j < TCount; ++j){
+            feature[2][TBase + j] = cp + j;
+         }
+      }
+      return new UChar(cp, feature);
+   }
+   function fromCpFilter(next, cp, needFeature){
+      return cp < 60 || 13311 < cp && cp < 42607 ? new UChar(cp, DEFAULT_FEATURE) : next(cp, needFeature);
+   }
+
+   var strategies = [fromCpFilter, fromCache, fromCpOnly, fromRuleBasedJamo, fromData];
+
+   UChar.fromCharCode = strategies.reduceRight(function (next, strategy) {
+      return function (cp, needFeature) {
+         return strategy(next, cp, needFeature);
+      };
+   }, null);
+
+   UChar.isHighSurrogate = function(cp){
+      return cp >= 0xD800 && cp <= 0xDBFF;
+   };
+   UChar.isLowSurrogate = function(cp){
+      return cp >= 0xDC00 && cp <= 0xDFFF;
+   };
+
+   UChar.prototype.prepFeature = function(){
+      if(!this.feature){
+         this.feature = UChar.fromCharCode(this.codepoint, true).feature;
+      }
+   };
+
+   UChar.prototype.toString = function(){
+      if(this.codepoint < 0x10000){
+         return String.fromCharCode(this.codepoint);
+      } else {
+         var x = this.codepoint - 0x10000;
+         return String.fromCharCode(Math.floor(x / 0x400) + 0xD800, x % 0x400 + 0xDC00);
+      }
+   };
+
+   UChar.prototype.getDecomp = function(){
+      this.prepFeature();
+      return this.feature[0] || null;
+   };
+
+   UChar.prototype.isCompatibility = function(){
+      this.prepFeature();
+      return !!this.feature[1] && (this.feature[1] & (1 << 8));
+   };
+   UChar.prototype.isExclude = function(){
+      this.prepFeature();
+      return !!this.feature[1] && (this.feature[1] & (1 << 9));
+   };
+   UChar.prototype.getCanonicalClass = function(){
+      this.prepFeature();
+      return !!this.feature[1] ? (this.feature[1] & 0xff) : 0;
+   };
+   UChar.prototype.getComposite = function(following){
+      this.prepFeature();
+      if(!this.feature[2]){
+         return null;
+      }
+      var cp = this.feature[2][following.codepoint];
+      return cp ? UChar.fromCharCode(cp) : null;
+   };
+
+   var UCharIterator = function(str){
+      this.str = str;
+      this.cursor = 0;
+   };
+   UCharIterator.prototype.next = function(){
+      if(!!this.str && this.cursor < this.str.length){
+         var cp = this.str.charCodeAt(this.cursor++);
+         var d;
+         if(UChar.isHighSurrogate(cp) && this.cursor < this.str.length && UChar.isLowSurrogate((d = this.str.charCodeAt(this.cursor)))){
+            cp = (cp - 0xD800) * 0x400 + (d -0xDC00) + 0x10000;
+            ++this.cursor;
+         }
+         return UChar.fromCharCode(cp);
+      } else {
+         this.str = null;
+         return null;
+      }
+   };
+
+   var RecursDecompIterator = function(it, cano){
+      this.it = it;
+      this.canonical = cano;
+      this.resBuf = [];
+   };
+
+   RecursDecompIterator.prototype.next = function(){
+      function recursiveDecomp(cano, uchar){
+         var decomp = uchar.getDecomp();
+         if(!!decomp && !(cano && uchar.isCompatibility())){
+            var ret = [];
+            for(var i = 0; i < decomp.length; ++i){
+               var a = recursiveDecomp(cano, UChar.fromCharCode(decomp[i]));
+                ret = ret.concat(a);
+            }
+            return ret;
+         } else {
+            return [uchar];
+         }
+      }
+      if(this.resBuf.length === 0){
+         var uchar = this.it.next();
+         if(!uchar){
+            return null;
+         }
+         this.resBuf = recursiveDecomp(this.canonical, uchar);
+      }
+      return this.resBuf.shift();
+   };
+
+   var DecompIterator = function(it){
+      this.it = it;
+      this.resBuf = [];
+   };
+
+   DecompIterator.prototype.next = function(){
+      var cc;
+      if(this.resBuf.length === 0){
+         do{
+            var uchar = this.it.next();
+            if(!uchar){
+               break;
+            }
+            cc = uchar.getCanonicalClass();
+            var inspt = this.resBuf.length;
+            if(cc !== 0){
+               for(; inspt > 0; --inspt){
+                  var uchar2 = this.resBuf[inspt - 1];
+                  var cc2 = uchar2.getCanonicalClass();
+                  if(cc2 <= cc){
+                     break;
+                  }
+               }
+            }
+            this.resBuf.splice(inspt, 0, uchar);
+         } while(cc !== 0);
+      }
+      return this.resBuf.shift();
+   };
+
+   var CompIterator = function(it){
+      this.it = it;
+      this.procBuf = [];
+      this.resBuf = [];
+      this.lastClass = null;
+   };
+
+   CompIterator.prototype.next = function(){
+      while(this.resBuf.length === 0){
+         var uchar = this.it.next();
+         if(!uchar){
+            this.resBuf = this.procBuf;
+            this.procBuf = [];
+            break;
+         }
+         if(this.procBuf.length === 0){
+            this.lastClass = uchar.getCanonicalClass();
+            this.procBuf.push(uchar);
+         } else {
+            var starter = this.procBuf[0];
+            var composite = starter.getComposite(uchar);
+            var cc = uchar.getCanonicalClass();
+            if(!!composite && (this.lastClass < cc || this.lastClass === 0)){
+               this.procBuf[0] = composite;
+            } else {
+               if(cc === 0){
+                  this.resBuf = this.procBuf;
+                  this.procBuf = [];
+               }
+               this.lastClass = cc;
+               this.procBuf.push(uchar);
+            }
+         }
+      }
+      return this.resBuf.shift();
+   };
+
+   var createIterator = function(mode, str){
+      switch(mode){
+         case "NFD":
+            return new DecompIterator(new RecursDecompIterator(new UCharIterator(str), true));
+         case "NFKD":
+            return new DecompIterator(new RecursDecompIterator(new UCharIterator(str), false));
+         case "NFC":
+            return new CompIterator(new DecompIterator(new RecursDecompIterator(new UCharIterator(str), true)));
+         case "NFKC":
+            return new CompIterator(new DecompIterator(new RecursDecompIterator(new UCharIterator(str), false)));
+      }
+      throw mode + " is invalid";
+   };
+   var normalize = function(mode, str){
+      var it = createIterator(mode, str);
+      var ret = "";
+      var uchar;
+      while(!!(uchar = it.next())){
+         ret += uchar.toString();
+      }
+      return ret;
+   };
+
+   /* API functions */
+   function nfd(str){
+      return normalize("NFD", str);
+   }
+
+   function nfkd(str){
+      return normalize("NFKD", str);
+   }
+
+   function nfc(str){
+      return normalize("NFC", str);
+   }
+
+   function nfkc(str){
+      return normalize("NFKC", str);
+   }
+
+/* Unicode data */
+UChar.udata={
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+
+};
+
+   /***** Module to export */
+   var unorm = {
+      nfc: nfc,
+      nfd: nfd,
+      nfkc: nfkc,
+      nfkd: nfkd
+   };
+
+   /*globals module:true,define:true*/
+
+   // CommonJS
+   if (typeof module === "object") {
+      module.exports = unorm;
+
+   // AMD
+   } else if (typeof define === "function" && define.amd) {
+      define("unorm", function () {
+         return unorm;
+      });
+
+   // Global
+   } else {
+      root.unorm = unorm;
+   }
+
+   /***** Export as shim for String::normalize method *****/
+   /*
+      http://wiki.ecmascript.org/doku.php?id=harmony:specification_drafts#november_8_2013_draft_rev_21
+
+      21.1.3.12 String.prototype.normalize(form="NFC")
+      When the normalize method is called with one argument form, the following steps are taken:
+
+      1. Let O be CheckObjectCoercible(this value).
+      2. Let S be ToString(O).
+      3. ReturnIfAbrupt(S).
+      4. If form is not provided or undefined let form be "NFC".
+      5. Let f be ToString(form).
+      6. ReturnIfAbrupt(f).
+      7. If f is not one of "NFC", "NFD", "NFKC", or "NFKD", then throw a RangeError Exception.
+      8. Let ns be the String value is the result of normalizing S into the normalization form named by f as specified in Unicode Standard Annex #15, UnicodeNormalizatoin Forms.
+      9. Return ns.
+
+      The length property of the normalize method is 0.
+
+      *NOTE* The normalize function is intentionally generic; it does not require that its this value be a String object. Therefore it can be transferred to other kinds of objects for use as a method.
+   */
+    unorm.shimApplied = false;
+
+   if (!String.prototype.normalize) {
+      String.prototype.normalize = function(form) {
+         var str = "" + this;
+         form =  form === undefined ? "NFC" : form;
+
+         if (form === "NFC") {
+            return unorm.nfc(str);
+         } else if (form === "NFD") {
+            return unorm.nfd(str);
+         } else if (form === "NFKC") {
+            return unorm.nfkc(str);
+         } else if (form === "NFKD") {
+            return unorm.nfkd(str);
+         } else {
+            throw new RangeError("Invalid normalization form: " + form);
+         }
+      };
+
+      unorm.shimApplied = true;
+   }
+}(this));
+
+},{}],207:[function(require,module,exports){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+
+var punycode = require('punycode');
+var util = require('./util');
+
+exports.parse = urlParse;
+exports.resolve = urlResolve;
+exports.resolveObject = urlResolveObject;
+exports.format = urlFormat;
+
+exports.Url = Url;
+
+function Url() {
+  this.protocol = null;
+  this.slashes = null;
+  this.auth = null;
+  this.host = null;
+  this.port = null;
+  this.hostname = null;
+  this.hash = null;
+  this.search = null;
+  this.query = null;
+  this.pathname = null;
+  this.path = null;
+  this.href = null;
+}
+
+// Reference: RFC 3986, RFC 1808, RFC 2396
+
+// define these here so at least they only have to be
+// compiled once on the first module load.
+var protocolPattern = /^([a-z0-9.+-]+:)/i,
+    portPattern = /:[0-9]*$/,
+
+    // Special case for a simple path URL
+    simplePathPattern = /^(\/\/?(?!\/)[^\?\s]*)(\?[^\s]*)?$/,
+
+    // RFC 2396: characters reserved for delimiting URLs.
+    // We actually just auto-escape these.
+    delims = ['<', '>', '"', '`', ' ', '\r', '\n', '\t'],
+
+    // RFC 2396: characters not allowed for various reasons.
+    unwise = ['{', '}', '|', '\\', '^', '`'].concat(delims),
+
+    // Allowed by RFCs, but cause of XSS attacks.  Always escape these.
+    autoEscape = ['\''].concat(unwise),
+    // Characters that are never ever allowed in a hostname.
+    // Note that any invalid chars are also handled, but these
+    // are the ones that are *expected* to be seen, so we fast-path
+    // them.
+    nonHostChars = ['%', '/', '?', ';', '#'].concat(autoEscape),
+    hostEndingChars = ['/', '?', '#'],
+    hostnameMaxLen = 255,
+    hostnamePartPattern = /^[+a-z0-9A-Z_-]{0,63}$/,
+    hostnamePartStart = /^([+a-z0-9A-Z_-]{0,63})(.*)$/,
+    // protocols that can allow "unsafe" and "unwise" chars.
+    unsafeProtocol = {
+      'javascript': true,
+      'javascript:': true
+    },
+    // protocols that never have a hostname.
+    hostlessProtocol = {
+      'javascript': true,
+      'javascript:': true
+    },
+    // protocols that always contain a // bit.
+    slashedProtocol = {
+      'http': true,
+      'https': true,
+      'ftp': true,
+      'gopher': true,
+      'file': true,
+      'http:': true,
+      'https:': true,
+      'ftp:': true,
+      'gopher:': true,
+      'file:': true
+    },
+    querystring = require('querystring');
+
+function urlParse(url, parseQueryString, slashesDenoteHost) {
+  if (url && util.isObject(url) && url instanceof Url) return url;
+
+  var u = new Url;
+  u.parse(url, parseQueryString, slashesDenoteHost);
+  return u;
+}
+
+Url.prototype.parse = function(url, parseQueryString, slashesDenoteHost) {
+  if (!util.isString(url)) {
+    throw new TypeError("Parameter 'url' must be a string, not " + typeof url);
+  }
+
+  // Copy chrome, IE, opera backslash-handling behavior.
+  // Back slashes before the query string get converted to forward slashes
+  // See: https://code.google.com/p/chromium/issues/detail?id=25916
+  var queryIndex = url.indexOf('?'),
+      splitter =
+          (queryIndex !== -1 && queryIndex < url.indexOf('#')) ? '?' : '#',
+      uSplit = url.split(splitter),
+      slashRegex = /\\/g;
+  uSplit[0] = uSplit[0].replace(slashRegex, '/');
+  url = uSplit.join(splitter);
+
+  var rest = url;
+
+  // trim before proceeding.
+  // This is to support parse stuff like "  http://foo.com  \n"
+  rest = rest.trim();
+
+  if (!slashesDenoteHost && url.split('#').length === 1) {
+    // Try fast path regexp
+    var simplePath = simplePathPattern.exec(rest);
+    if (simplePath) {
+      this.path = rest;
+      this.href = rest;
+      this.pathname = simplePath[1];
+      if (simplePath[2]) {
+        this.search = simplePath[2];
+        if (parseQueryString) {
+          this.query = querystring.parse(this.search.substr(1));
+        } else {
+          this.query = this.search.substr(1);
+        }
+      } else if (parseQueryString) {
+        this.search = '';
+        this.query = {};
+      }
+      return this;
+    }
+  }
+
+  var proto = protocolPattern.exec(rest);
+  if (proto) {
+    proto = proto[0];
+    var lowerProto = proto.toLowerCase();
+    this.protocol = lowerProto;
+    rest = rest.substr(proto.length);
+  }
+
+  // figure out if it's got a host
+  // user@server is *always* interpreted as a hostname, and url
+  // resolution will treat //foo/bar as host=foo,path=bar because that's
+  // how the browser resolves relative URLs.
+  if (slashesDenoteHost || proto || rest.match(/^\/\/[^@\/]+@[^@\/]+/)) {
+    var slashes = rest.substr(0, 2) === '//';
+    if (slashes && !(proto && hostlessProtocol[proto])) {
+      rest = rest.substr(2);
+      this.slashes = true;
+    }
+  }
+
+  if (!hostlessProtocol[proto] &&
+      (slashes || (proto && !slashedProtocol[proto]))) {
+
+    // there's a hostname.
+    // the first instance of /, ?, ;, or # ends the host.
+    //
+    // If there is an @ in the hostname, then non-host chars *are* allowed
+    // to the left of the last @ sign, unless some host-ending character
+    // comes *before* the @-sign.
+    // URLs are obnoxious.
+    //
+    // ex:
+    // http://a@b@c/ => user:a@b host:c
+    // http://a@b?@c => user:a host:c path:/?@c
+
+    // v0.12 TODO(isaacs): This is not quite how Chrome does things.
+    // Review our test case against browsers more comprehensively.
+
+    // find the first instance of any hostEndingChars
+    var hostEnd = -1;
+    for (var i = 0; i < hostEndingChars.length; i++) {
+      var hec = rest.indexOf(hostEndingChars[i]);
+      if (hec !== -1 && (hostEnd === -1 || hec < hostEnd))
+        hostEnd = hec;
+    }
+
+    // at this point, either we have an explicit point where the
+    // auth portion cannot go past, or the last @ char is the decider.
+    var auth, atSign;
+    if (hostEnd === -1) {
+      // atSign can be anywhere.
+      atSign = rest.lastIndexOf('@');
+    } else {
+      // atSign must be in auth portion.
+      // http://a@b/c@d => host:b auth:a path:/c@d
+      atSign = rest.lastIndexOf('@', hostEnd);
+    }
+
+    // Now we have a portion which is definitely the auth.
+    // Pull that off.
+    if (atSign !== -1) {
+      auth = rest.slice(0, atSign);
+      rest = rest.slice(atSign + 1);
+      this.auth = decodeURIComponent(auth);
+    }
+
+    // the host is the remaining to the left of the first non-host char
+    hostEnd = -1;
+    for (var i = 0; i < nonHostChars.length; i++) {
+      var hec = rest.indexOf(nonHostChars[i]);
+      if (hec !== -1 && (hostEnd === -1 || hec < hostEnd))
+        hostEnd = hec;
+    }
+    // if we still have not hit it, then the entire thing is a host.
+    if (hostEnd === -1)
+      hostEnd = rest.length;
+
+    this.host = rest.slice(0, hostEnd);
+    rest = rest.slice(hostEnd);
+
+    // pull out port.
+    this.parseHost();
+
+    // we've indicated that there is a hostname,
+    // so even if it's empty, it has to be present.
+    this.hostname = this.hostname || '';
+
+    // if hostname begins with [ and ends with ]
+    // assume that it's an IPv6 address.
+    var ipv6Hostname = this.hostname[0] === '[' &&
+        this.hostname[this.hostname.length - 1] === ']';
+
+    // validate a little.
+    if (!ipv6Hostname) {
+      var hostparts = this.hostname.split(/\./);
+      for (var i = 0, l = hostparts.length; i < l; i++) {
+        var part = hostparts[i];
+        if (!part) continue;
+        if (!part.match(hostnamePartPattern)) {
+          var newpart = '';
+          for (var j = 0, k = part.length; j < k; j++) {
+            if (part.charCodeAt(j) > 127) {
+              // we replace non-ASCII char with a temporary placeholder
+              // we need this to make sure size of hostname is not
+              // broken by replacing non-ASCII by nothing
+              newpart += 'x';
+            } else {
+              newpart += part[j];
+            }
+          }
+          // we test again with ASCII char only
+          if (!newpart.match(hostnamePartPattern)) {
+            var validParts = hostparts.slice(0, i);
+            var notHost = hostparts.slice(i + 1);
+            var bit = part.match(hostnamePartStart);
+            if (bit) {
+              validParts.push(bit[1]);
+              notHost.unshift(bit[2]);
+            }
+            if (notHost.length) {
+              rest = '/' + notHost.join('.') + rest;
+            }
+            this.hostname = validParts.join('.');
+            break;
+          }
+        }
+      }
+    }
+
+    if (this.hostname.length > hostnameMaxLen) {
+      this.hostname = '';
+    } else {
+      // hostnames are always lower case.
+      this.hostname = this.hostname.toLowerCase();
+    }
+
+    if (!ipv6Hostname) {
+      // IDNA Support: Returns a punycoded representation of "domain".
+      // It only converts parts of the domain name that
+      // have non-ASCII characters, i.e. it doesn't matter if
+      // you call it with a domain that already is ASCII-only.
+      this.hostname = punycode.toASCII(this.hostname);
+    }
+
+    var p = this.port ? ':' + this.port : '';
+    var h = this.hostname || '';
+    this.host = h + p;
+    this.href += this.host;
+
+    // strip [ and ] from the hostname
+    // the host field still retains them, though
+    if (ipv6Hostname) {
+      this.hostname = this.hostname.substr(1, this.hostname.length - 2);
+      if (rest[0] !== '/') {
+        rest = '/' + rest;
+      }
+    }
+  }
+
+  // now rest is set to the post-host stuff.
+  // chop off any delim chars.
+  if (!unsafeProtocol[lowerProto]) {
+
+    // First, make 100% sure that any "autoEscape" chars get
+    // escaped, even if encodeURIComponent doesn't think they
+    // need to be.
+    for (var i = 0, l = autoEscape.length; i < l; i++) {
+      var ae = autoEscape[i];
+      if (rest.indexOf(ae) === -1)
+        continue;
+      var esc = encodeURIComponent(ae);
+      if (esc === ae) {
+        esc = escape(ae);
+      }
+      rest = rest.split(ae).join(esc);
+    }
+  }
+
+
+  // chop off from the tail first.
+  var hash = rest.indexOf('#');
+  if (hash !== -1) {
+    // got a fragment string.
+    this.hash = rest.substr(hash);
+    rest = rest.slice(0, hash);
+  }
+  var qm = rest.indexOf('?');
+  if (qm !== -1) {
+    this.search = rest.substr(qm);
+    this.query = rest.substr(qm + 1);
+    if (parseQueryString) {
+      this.query = querystring.parse(this.query);
+    }
+    rest = rest.slice(0, qm);
+  } else if (parseQueryString) {
+    // no query string, but parseQueryString still requested
+    this.search = '';
+    this.query = {};
+  }
+  if (rest) this.pathname = rest;
+  if (slashedProtocol[lowerProto] &&
+      this.hostname && !this.pathname) {
+    this.pathname = '/';
+  }
+
+  //to support http.request
+  if (this.pathname || this.search) {
+    var p = this.pathname || '';
+    var s = this.search || '';
+    this.path = p + s;
+  }
+
+  // finally, reconstruct the href based on what has been validated.
+  this.href = this.format();
+  return this;
+};
+
+// format a parsed object into a url string
+function urlFormat(obj) {
+  // ensure it's an object, and not a string url.
+  // If it's an obj, this is a no-op.
+  // this way, you can call url_format() on strings
+  // to clean up potentially wonky urls.
+  if (util.isString(obj)) obj = urlParse(obj);
+  if (!(obj instanceof Url)) return Url.prototype.format.call(obj);
+  return obj.format();
+}
+
+Url.prototype.format = function() {
+  var auth = this.auth || '';
+  if (auth) {
+    auth = encodeURIComponent(auth);
+    auth = auth.replace(/%3A/i, ':');
+    auth += '@';
+  }
+
+  var protocol = this.protocol || '',
+      pathname = this.pathname || '',
+      hash = this.hash || '',
+      host = false,
+      query = '';
+
+  if (this.host) {
+    host = auth + this.host;
+  } else if (this.hostname) {
+    host = auth + (this.hostname.indexOf(':') === -1 ?
+        this.hostname :
+        '[' + this.hostname + ']');
+    if (this.port) {
+      host += ':' + this.port;
+    }
+  }
+
+  if (this.query &&
+      util.isObject(this.query) &&
+      Object.keys(this.query).length) {
+    query = querystring.stringify(this.query);
+  }
+
+  var search = this.search || (query && ('?' + query)) || '';
+
+  if (protocol && protocol.substr(-1) !== ':') protocol += ':';
+
+  // only the slashedProtocols get the //.  Not mailto:, xmpp:, etc.
+  // unless they had them to begin with.
+  if (this.slashes ||
+      (!protocol || slashedProtocol[protocol]) && host !== false) {
+    host = '//' + (host || '');
+    if (pathname && pathname.charAt(0) !== '/') pathname = '/' + pathname;
+  } else if (!host) {
+    host = '';
+  }
+
+  if (hash && hash.charAt(0) !== '#') hash = '#' + hash;
+  if (search && search.charAt(0) !== '?') search = '?' + search;
+
+  pathname = pathname.replace(/[?#]/g, function(match) {
+    return encodeURIComponent(match);
+  });
+  search = search.replace('#', '%23');
+
+  return protocol + host + pathname + search + hash;
+};
+
+function urlResolve(source, relative) {
+  return urlParse(source, false, true).resolve(relative);
+}
+
+Url.prototype.resolve = function(relative) {
+  return this.resolveObject(urlParse(relative, false, true)).format();
+};
+
+function urlResolveObject(source, relative) {
+  if (!source) return relative;
+  return urlParse(source, false, true).resolveObject(relative);
+}
+
+Url.prototype.resolveObject = function(relative) {
+  if (util.isString(relative)) {
+    var rel = new Url();
+    rel.parse(relative, false, true);
+    relative = rel;
+  }
+
+  var result = new Url();
+  var tkeys = Object.keys(this);
+  for (var tk = 0; tk < tkeys.length; tk++) {
+    var tkey = tkeys[tk];
+    result[tkey] = this[tkey];
+  }
+
+  // hash is always overridden, no matter what.
+  // even href="" will remove it.
+  result.hash = relative.hash;
+
+  // if the relative url is empty, then there's nothing left to do here.
+  if (relative.href === '') {
+    result.href = result.format();
+    return result;
+  }
+
+  // hrefs like //foo/bar always cut to the protocol.
+  if (relative.slashes && !relative.protocol) {
+    // take everything except the protocol from relative
+    var rkeys = Object.keys(relative);
+    for (var rk = 0; rk < rkeys.length; rk++) {
+      var rkey = rkeys[rk];
+      if (rkey !== 'protocol')
+        result[rkey] = relative[rkey];
+    }
+
+    //urlParse appends trailing / to urls like http://www.example.com
+    if (slashedProtocol[result.protocol] &&
+        result.hostname && !result.pathname) {
+      result.path = result.pathname = '/';
+    }
+
+    result.href = result.format();
+    return result;
+  }
+
+  if (relative.protocol && relative.protocol !== result.protocol) {
+    // if it's a known url protocol, then changing
+    // the protocol does weird things
+    // first, if it's not file:, then we MUST have a host,
+    // and if there was a path
+    // to begin with, then we MUST have a path.
+    // if it is file:, then the host is dropped,
+    // because that's known to be hostless.
+    // anything else is assumed to be absolute.
+    if (!slashedProtocol[relative.protocol]) {
+      var keys = Object.keys(relative);
+      for (var v = 0; v < keys.length; v++) {
+        var k = keys[v];
+        result[k] = relative[k];
+      }
+      result.href = result.format();
+      return result;
+    }
+
+    result.protocol = relative.protocol;
+    if (!relative.host && !hostlessProtocol[relative.protocol]) {
+      var relPath = (relative.pathname || '').split('/');
+      while (relPath.length && !(relative.host = relPath.shift()));
+      if (!relative.host) relative.host = '';
+      if (!relative.hostname) relative.hostname = '';
+      if (relPath[0] !== '') relPath.unshift('');
+      if (relPath.length < 2) relPath.unshift('');
+      result.pathname = relPath.join('/');
+    } else {
+      result.pathname = relative.pathname;
+    }
+    result.search = relative.search;
+    result.query = relative.query;
+    result.host = relative.host || '';
+    result.auth = relative.auth;
+    result.hostname = relative.hostname || relative.host;
+    result.port = relative.port;
+    // to support http.request
+    if (result.pathname || result.search) {
+      var p = result.pathname || '';
+      var s = result.search || '';
+      result.path = p + s;
+    }
+    result.slashes = result.slashes || relative.slashes;
+    result.href = result.format();
+    return result;
+  }
+
+  var isSourceAbs = (result.pathname && result.pathname.charAt(0) === '/'),
+      isRelAbs = (
+          relative.host ||
+          relative.pathname && relative.pathname.charAt(0) === '/'
+      ),
+      mustEndAbs = (isRelAbs || isSourceAbs ||
+                    (result.host && relative.pathname)),
+      removeAllDots = mustEndAbs,
+      srcPath = result.pathname && result.pathname.split('/') || [],
+      relPath = relative.pathname && relative.pathname.split('/') || [],
+      psychotic = result.protocol && !slashedProtocol[result.protocol];
+
+  // if the url is a non-slashed url, then relative
+  // links like ../.. should be able
+  // to crawl up to the hostname, as well.  This is strange.
+  // result.protocol has already been set by now.
+  // Later on, put the first path part into the host field.
+  if (psychotic) {
+    result.hostname = '';
+    result.port = null;
+    if (result.host) {
+      if (srcPath[0] === '') srcPath[0] = result.host;
+      else srcPath.unshift(result.host);
+    }
+    result.host = '';
+    if (relative.protocol) {
+      relative.hostname = null;
+      relative.port = null;
+      if (relative.host) {
+        if (relPath[0] === '') relPath[0] = relative.host;
+        else relPath.unshift(relative.host);
+      }
+      relative.host = null;
+    }
+    mustEndAbs = mustEndAbs && (relPath[0] === '' || srcPath[0] === '');
+  }
+
+  if (isRelAbs) {
+    // it's absolute.
+    result.host = (relative.host || relative.host === '') ?
+                  relative.host : result.host;
+    result.hostname = (relative.hostname || relative.hostname === '') ?
+                      relative.hostname : result.hostname;
+    result.search = relative.search;
+    result.query = relative.query;
+    srcPath = relPath;
+    // fall through to the dot-handling below.
+  } else if (relPath.length) {
+    // it's relative
+    // throw away the existing file, and take the new path instead.
+    if (!srcPath) srcPath = [];
+    srcPath.pop();
+    srcPath = srcPath.concat(relPath);
+    result.search = relative.search;
+    result.query = relative.query;
+  } else if (!util.isNullOrUndefined(relative.search)) {
+    // just pull out the search.
+    // like href='?foo'.
+    // Put this after the other two cases because it simplifies the booleans
+    if (psychotic) {
+      result.hostname = result.host = srcPath.shift();
+      //occationaly the auth can get stuck only in host
+      //this especially happens in cases like
+      //url.resolveObject('mailto:local1@domain1', 'local2@domain2')
+      var authInHost = result.host && result.host.indexOf('@') > 0 ?
+                       result.host.split('@') : false;
+      if (authInHost) {
+        result.auth = authInHost.shift();
+        result.host = result.hostname = authInHost.shift();
+      }
+    }
+    result.search = relative.search;
+    result.query = relative.query;
+    //to support http.request
+    if (!util.isNull(result.pathname) || !util.isNull(result.search)) {
+      result.path = (result.pathname ? result.pathname : '') +
+                    (result.search ? result.search : '');
+    }
+    result.href = result.format();
+    return result;
+  }
+
+  if (!srcPath.length) {
+    // no path at all.  easy.
+    // we've already handled the other stuff above.
+    result.pathname = null;
+    //to support http.request
+    if (result.search) {
+      result.path = '/' + result.search;
+    } else {
+      result.path = null;
+    }
+    result.href = result.format();
+    return result;
+  }
+
+  // if a url ENDs in . or .., then it must get a trailing slash.
+  // however, if it ends in anything else non-slashy,
+  // then it must NOT get a trailing slash.
+  var last = srcPath.slice(-1)[0];
+  var hasTrailingSlash = (
+      (result.host || relative.host || srcPath.length > 1) &&
+      (last === '.' || last === '..') || last === '');
+
+  // strip single dots, resolve double dots to parent dir
+  // if the path tries to go above the root, `up` ends up > 0
+  var up = 0;
+  for (var i = srcPath.length; i >= 0; i--) {
+    last = srcPath[i];
+    if (last === '.') {
+      srcPath.splice(i, 1);
+    } else if (last === '..') {
+      srcPath.splice(i, 1);
+      up++;
+    } else if (up) {
+      srcPath.splice(i, 1);
+      up--;
+    }
+  }
+
+  // if the path is allowed to go above the root, restore leading ..s
+  if (!mustEndAbs && !removeAllDots) {
+    for (; up--; up) {
+      srcPath.unshift('..');
+    }
+  }
+
+  if (mustEndAbs && srcPath[0] !== '' &&
+      (!srcPath[0] || srcPath[0].charAt(0) !== '/')) {
+    srcPath.unshift('');
+  }
+
+  if (hasTrailingSlash && (srcPath.join('/').substr(-1) !== '/')) {
+    srcPath.push('');
+  }
+
+  var isAbsolute = srcPath[0] === '' ||
+      (srcPath[0] && srcPath[0].charAt(0) === '/');
+
+  // put the host back
+  if (psychotic) {
+    result.hostname = result.host = isAbsolute ? '' :
+                                    srcPath.length ? srcPath.shift() : '';
+    //occationaly the auth can get stuck only in host
+    //this especially happens in cases like
+    //url.resolveObject('mailto:local1@domain1', 'local2@domain2')
+    var authInHost = result.host && result.host.indexOf('@') > 0 ?
+                     result.host.split('@') : false;
+    if (authInHost) {
+      result.auth = authInHost.shift();
+      result.host = result.hostname = authInHost.shift();
+    }
+  }
+
+  mustEndAbs = mustEndAbs || (result.host && srcPath.length);
+
+  if (mustEndAbs && !isAbsolute) {
+    srcPath.unshift('');
+  }
+
+  if (!srcPath.length) {
+    result.pathname = null;
+    result.path = null;
+  } else {
+    result.pathname = srcPath.join('/');
+  }
+
+  //to support request.http
+  if (!util.isNull(result.pathname) || !util.isNull(result.search)) {
+    result.path = (result.pathname ? result.pathname : '') +
+                  (result.search ? result.search : '');
+  }
+  result.auth = relative.auth || result.auth;
+  result.slashes = result.slashes || relative.slashes;
+  result.href = result.format();
+  return result;
+};
+
+Url.prototype.parseHost = function() {
+  var host = this.host;
+  var port = portPattern.exec(host);
+  if (port) {
+    port = port[0];
+    if (port !== ':') {
+      this.port = port.substr(1);
+    }
+    host = host.substr(0, host.length - port.length);
+  }
+  if (host) this.hostname = host;
+};
+
+},{"./util":208,"punycode":174,"querystring":177}],208:[function(require,module,exports){
+'use strict';
+
+module.exports = {
+  isString: function(arg) {
+    return typeof(arg) === 'string';
+  },
+  isObject: function(arg) {
+    return typeof(arg) === 'object' && arg !== null;
+  },
+  isNull: function(arg) {
+    return arg === null;
+  },
+  isNullOrUndefined: function(arg) {
+    return arg == null;
+  }
+};
+
+},{}],209:[function(require,module,exports){
+(function (global){
+
+/**
+ * Module exports.
+ */
+
+module.exports = deprecate;
+
+/**
+ * Mark that a method should not be used.
+ * Returns a modified function which warns once by default.
+ *
+ * If `localStorage.noDeprecation = true` is set, then it is a no-op.
+ *
+ * If `localStorage.throwDeprecation = true` is set, then deprecated functions
+ * will throw an Error when invoked.
+ *
+ * If `localStorage.traceDeprecation = true` is set, then deprecated functions
+ * will invoke `console.trace()` instead of `console.error()`.
+ *
+ * @param {Function} fn - the function to deprecate
+ * @param {String} msg - the string to print to the console when `fn` is invoked
+ * @returns {Function} a new "deprecated" version of `fn`
+ * @api public
+ */
+
+function deprecate (fn, msg) {
+  if (config('noDeprecation')) {
+    return fn;
+  }
+
+  var warned = false;
+  function deprecated() {
+    if (!warned) {
+      if (config('throwDeprecation')) {
+        throw new Error(msg);
+      } else if (config('traceDeprecation')) {
+        console.trace(msg);
+      } else {
+        console.warn(msg);
+      }
+      warned = true;
+    }
+    return fn.apply(this, arguments);
+  }
+
+  return deprecated;
+}
+
+/**
+ * Checks `localStorage` for boolean values for the given `name`.
+ *
+ * @param {String} name
+ * @returns {Boolean}
+ * @api private
+ */
+
+function config (name) {
+  // accessing global.localStorage can trigger a DOMException in sandboxed iframes
+  try {
+    if (!global.localStorage) return false;
+  } catch (_) {
+    return false;
+  }
+  var val = global.localStorage[name];
+  if (null == val) return false;
+  return String(val).toLowerCase() === 'true';
+}
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}],210:[function(require,module,exports){
+module.exports = function isBuffer(arg) {
+  return arg && typeof arg === 'object'
+    && typeof arg.copy === 'function'
+    && typeof arg.fill === 'function'
+    && typeof arg.readUInt8 === 'function';
+}
+},{}],211:[function(require,module,exports){
+(function (process,global){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var formatRegExp = /%[sdj%]/g;
+exports.format = function(f) {
+  if (!isString(f)) {
+    var objects = [];
+    for (var i = 0; i < arguments.length; i++) {
+      objects.push(inspect(arguments[i]));
+    }
+    return objects.join(' ');
+  }
+
+  var i = 1;
+  var args = arguments;
+  var len = args.length;
+  var str = String(f).replace(formatRegExp, function(x) {
+    if (x === '%%') return '%';
+    if (i >= len) return x;
+    switch (x) {
+      case '%s': return String(args[i++]);
+      case '%d': return Number(args[i++]);
+      case '%j':
+        try {
+          return JSON.stringify(args[i++]);
+        } catch (_) {
+          return '[Circular]';
+        }
+      default:
+        return x;
+    }
+  });
+  for (var x = args[i]; i < len; x = args[++i]) {
+    if (isNull(x) || !isObject(x)) {
+      str += ' ' + x;
+    } else {
+      str += ' ' + inspect(x);
+    }
+  }
+  return str;
+};
+
+
+// Mark that a method should not be used.
+// Returns a modified function which warns once by default.
+// If --no-deprecation is set, then it is a no-op.
+exports.deprecate = function(fn, msg) {
+  // Allow for deprecating things in the process of starting up.
+  if (isUndefined(global.process)) {
+    return function() {
+      return exports.deprecate(fn, msg).apply(this, arguments);
+    };
+  }
+
+  if (process.noDeprecation === true) {
+    return fn;
+  }
+
+  var warned = false;
+  function deprecated() {
+    if (!warned) {
+      if (process.throwDeprecation) {
+        throw new Error(msg);
+      } else if (process.traceDeprecation) {
+        console.trace(msg);
+      } else {
+        console.error(msg);
+      }
+      warned = true;
+    }
+    return fn.apply(this, arguments);
+  }
+
+  return deprecated;
+};
+
+
+var debugs = {};
+var debugEnviron;
+exports.debuglog = function(set) {
+  if (isUndefined(debugEnviron))
+    debugEnviron = process.env.NODE_DEBUG || '';
+  set = set.toUpperCase();
+  if (!debugs[set]) {
+    if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) {
+      var pid = process.pid;
+      debugs[set] = function() {
+        var msg = exports.format.apply(exports, arguments);
+        console.error('%s %d: %s', set, pid, msg);
+      };
+    } else {
+      debugs[set] = function() {};
+    }
+  }
+  return debugs[set];
+};
+
+
+/**
+ * Echos the value of a value. Trys to print the value out
+ * in the best way possible given the different types.
+ *
+ * @param {Object} obj The object to print out.
+ * @param {Object} opts Optional options object that alters the output.
+ */
+/* legacy: obj, showHidden, depth, colors*/
+function inspect(obj, opts) {
+  // default options
+  var ctx = {
+    seen: [],
+    stylize: stylizeNoColor
+  };
+  // legacy...
+  if (arguments.length >= 3) ctx.depth = arguments[2];
+  if (arguments.length >= 4) ctx.colors = arguments[3];
+  if (isBoolean(opts)) {
+    // legacy...
+    ctx.showHidden = opts;
+  } else if (opts) {
+    // got an "options" object
+    exports._extend(ctx, opts);
+  }
+  // set default options
+  if (isUndefined(ctx.showHidden)) ctx.showHidden = false;
+  if (isUndefined(ctx.depth)) ctx.depth = 2;
+  if (isUndefined(ctx.colors)) ctx.colors = false;
+  if (isUndefined(ctx.customInspect)) ctx.customInspect = true;
+  if (ctx.colors) ctx.stylize = stylizeWithColor;
+  return formatValue(ctx, obj, ctx.depth);
+}
+exports.inspect = inspect;
+
+
+// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
+inspect.colors = {
+  'bold' : [1, 22],
+  'italic' : [3, 23],
+  'underline' : [4, 24],
+  'inverse' : [7, 27],
+  'white' : [37, 39],
+  'grey' : [90, 39],
+  'black' : [30, 39],
+  'blue' : [34, 39],
+  'cyan' : [36, 39],
+  'green' : [32, 39],
+  'magenta' : [35, 39],
+  'red' : [31, 39],
+  'yellow' : [33, 39]
+};
+
+// Don't use 'blue' not visible on cmd.exe
+inspect.styles = {
+  'special': 'cyan',
+  'number': 'yellow',
+  'boolean': 'yellow',
+  'undefined': 'grey',
+  'null': 'bold',
+  'string': 'green',
+  'date': 'magenta',
+  // "name": intentionally not styling
+  'regexp': 'red'
+};
+
+
+function stylizeWithColor(str, styleType) {
+  var style = inspect.styles[styleType];
+
+  if (style) {
+    return '\u001b[' + inspect.colors[style][0] + 'm' + str +
+           '\u001b[' + inspect.colors[style][1] + 'm';
+  } else {
+    return str;
+  }
+}
+
+
+function stylizeNoColor(str, styleType) {
+  return str;
+}
+
+
+function arrayToHash(array) {
+  var hash = {};
+
+  array.forEach(function(val, idx) {
+    hash[val] = true;
+  });
+
+  return hash;
+}
+
+
+function formatValue(ctx, value, recurseTimes) {
+  // Provide a hook for user-specified inspect functions.
+  // Check that value is an object with an inspect function on it
+  if (ctx.customInspect &&
+      value &&
+      isFunction(value.inspect) &&
+      // Filter out the util module, it's inspect function is special
+      value.inspect !== exports.inspect &&
+      // Also filter out any prototype objects using the circular check.
+      !(value.constructor && value.constructor.prototype === value)) {
+    var ret = value.inspect(recurseTimes, ctx);
+    if (!isString(ret)) {
+      ret = formatValue(ctx, ret, recurseTimes);
+    }
+    return ret;
+  }
+
+  // Primitive types cannot have properties
+  var primitive = formatPrimitive(ctx, value);
+  if (primitive) {
+    return primitive;
+  }
+
+  // Look up the keys of the object.
+  var keys = Object.keys(value);
+  var visibleKeys = arrayToHash(keys);
+
+  if (ctx.showHidden) {
+    keys = Object.getOwnPropertyNames(value);
+  }
+
+  // IE doesn't make error fields non-enumerable
+  // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx
+  if (isError(value)
+      && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) {
+    return formatError(value);
+  }
+
+  // Some type of object without properties can be shortcutted.
+  if (keys.length === 0) {
+    if (isFunction(value)) {
+      var name = value.name ? ': ' + value.name : '';
+      return ctx.stylize('[Function' + name + ']', 'special');
+    }
+    if (isRegExp(value)) {
+      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
+    }
+    if (isDate(value)) {
+      return ctx.stylize(Date.prototype.toString.call(value), 'date');
+    }
+    if (isError(value)) {
+      return formatError(value);
+    }
+  }
+
+  var base = '', array = false, braces = ['{', '}'];
+
+  // Make Array say that they are Array
+  if (isArray(value)) {
+    array = true;
+    braces = ['[', ']'];
+  }
+
+  // Make functions say that they are functions
+  if (isFunction(value)) {
+    var n = value.name ? ': ' + value.name : '';
+    base = ' [Function' + n + ']';
+  }
+
+  // Make RegExps say that they are RegExps
+  if (isRegExp(value)) {
+    base = ' ' + RegExp.prototype.toString.call(value);
+  }
+
+  // Make dates with properties first say the date
+  if (isDate(value)) {
+    base = ' ' + Date.prototype.toUTCString.call(value);
+  }
+
+  // Make error with message first say the error
+  if (isError(value)) {
+    base = ' ' + formatError(value);
+  }
+
+  if (keys.length === 0 && (!array || value.length == 0)) {
+    return braces[0] + base + braces[1];
+  }
+
+  if (recurseTimes < 0) {
+    if (isRegExp(value)) {
+      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
+    } else {
+      return ctx.stylize('[Object]', 'special');
+    }
+  }
+
+  ctx.seen.push(value);
+
+  var output;
+  if (array) {
+    output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);
+  } else {
+    output = keys.map(function(key) {
+      return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);
+    });
+  }
+
+  ctx.seen.pop();
+
+  return reduceToSingleString(output, base, braces);
+}
+
+
+function formatPrimitive(ctx, value) {
+  if (isUndefined(value))
+    return ctx.stylize('undefined', 'undefined');
+  if (isString(value)) {
+    var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '')
+                                             .replace(/'/g, "\\'")
+                                             .replace(/\\"/g, '"') + '\'';
+    return ctx.stylize(simple, 'string');
+  }
+  if (isNumber(value))
+    return ctx.stylize('' + value, 'number');
+  if (isBoolean(value))
+    return ctx.stylize('' + value, 'boolean');
+  // For some reason typeof null is "object", so special case here.
+  if (isNull(value))
+    return ctx.stylize('null', 'null');
+}
+
+
+function formatError(value) {
+  return '[' + Error.prototype.toString.call(value) + ']';
+}
+
+
+function formatArray(ctx, value, recurseTimes, visibleKeys, keys) {
+  var output = [];
+  for (var i = 0, l = value.length; i < l; ++i) {
+    if (hasOwnProperty(value, String(i))) {
+      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
+          String(i), true));
+    } else {
+      output.push('');
+    }
+  }
+  keys.forEach(function(key) {
+    if (!key.match(/^\d+$/)) {
+      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
+          key, true));
+    }
+  });
+  return output;
+}
+
+
+function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {
+  var name, str, desc;
+  desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] };
+  if (desc.get) {
+    if (desc.set) {
+      str = ctx.stylize('[Getter/Setter]', 'special');
+    } else {
+      str = ctx.stylize('[Getter]', 'special');
+    }
+  } else {
+    if (desc.set) {
+      str = ctx.stylize('[Setter]', 'special');
+    }
+  }
+  if (!hasOwnProperty(visibleKeys, key)) {
+    name = '[' + key + ']';
+  }
+  if (!str) {
+    if (ctx.seen.indexOf(desc.value) < 0) {
+      if (isNull(recurseTimes)) {
+        str = formatValue(ctx, desc.value, null);
+      } else {
+        str = formatValue(ctx, desc.value, recurseTimes - 1);
+      }
+      if (str.indexOf('\n') > -1) {
+        if (array) {
+          str = str.split('\n').map(function(line) {
+            return '  ' + line;
+          }).join('\n').substr(2);
+        } else {
+          str = '\n' + str.split('\n').map(function(line) {
+            return '   ' + line;
+          }).join('\n');
+        }
+      }
+    } else {
+      str = ctx.stylize('[Circular]', 'special');
+    }
+  }
+  if (isUndefined(name)) {
+    if (array && key.match(/^\d+$/)) {
+      return str;
+    }
+    name = JSON.stringify('' + key);
+    if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
+      name = name.substr(1, name.length - 2);
+      name = ctx.stylize(name, 'name');
+    } else {
+      name = name.replace(/'/g, "\\'")
+                 .replace(/\\"/g, '"')
+                 .replace(/(^"|"$)/g, "'");
+      name = ctx.stylize(name, 'string');
+    }
+  }
+
+  return name + ': ' + str;
+}
+
+
+function reduceToSingleString(output, base, braces) {
+  var numLinesEst = 0;
+  var length = output.reduce(function(prev, cur) {
+    numLinesEst++;
+    if (cur.indexOf('\n') >= 0) numLinesEst++;
+    return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1;
+  }, 0);
+
+  if (length > 60) {
+    return braces[0] +
+           (base === '' ? '' : base + '\n ') +
+           ' ' +
+           output.join(',\n  ') +
+           ' ' +
+           braces[1];
+  }
+
+  return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
+}
+
+
+// NOTE: These type checking functions intentionally don't use `instanceof`
+// because it is fragile and can be easily faked with `Object.create()`.
+function isArray(ar) {
+  return Array.isArray(ar);
+}
+exports.isArray = isArray;
+
+function isBoolean(arg) {
+  return typeof arg === 'boolean';
+}
+exports.isBoolean = isBoolean;
+
+function isNull(arg) {
+  return arg === null;
+}
+exports.isNull = isNull;
+
+function isNullOrUndefined(arg) {
+  return arg == null;
+}
+exports.isNullOrUndefined = isNullOrUndefined;
+
+function isNumber(arg) {
+  return typeof arg === 'number';
+}
+exports.isNumber = isNumber;
+
+function isString(arg) {
+  return typeof arg === 'string';
+}
+exports.isString = isString;
+
+function isSymbol(arg) {
+  return typeof arg === 'symbol';
+}
+exports.isSymbol = isSymbol;
+
+function isUndefined(arg) {
+  return arg === void 0;
+}
+exports.isUndefined = isUndefined;
+
+function isRegExp(re) {
+  return isObject(re) && objectToString(re) === '[object RegExp]';
+}
+exports.isRegExp = isRegExp;
+
+function isObject(arg) {
+  return typeof arg === 'object' && arg !== null;
+}
+exports.isObject = isObject;
+
+function isDate(d) {
+  return isObject(d) && objectToString(d) === '[object Date]';
+}
+exports.isDate = isDate;
+
+function isError(e) {
+  return isObject(e) &&
+      (objectToString(e) === '[object Error]' || e instanceof Error);
+}
+exports.isError = isError;
+
+function isFunction(arg) {
+  return typeof arg === 'function';
+}
+exports.isFunction = isFunction;
+
+function isPrimitive(arg) {
+  return arg === null ||
+         typeof arg === 'boolean' ||
+         typeof arg === 'number' ||
+         typeof arg === 'string' ||
+         typeof arg === 'symbol' ||  // ES6 symbol
+         typeof arg === 'undefined';
+}
+exports.isPrimitive = isPrimitive;
+
+exports.isBuffer = require('./support/isBuffer');
+
+function objectToString(o) {
+  return Object.prototype.toString.call(o);
+}
+
+
+function pad(n) {
+  return n < 10 ? '0' + n.toString(10) : n.toString(10);
+}
+
+
+var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',
+              'Oct', 'Nov', 'Dec'];
+
+// 26 Feb 16:19:34
+function timestamp() {
+  var d = new Date();
+  var time = [pad(d.getHours()),
+              pad(d.getMinutes()),
+              pad(d.getSeconds())].join(':');
+  return [d.getDate(), months[d.getMonth()], time].join(' ');
+}
+
+
+// log is just a thin wrapper to console.log that prepends a timestamp
+exports.log = function() {
+  console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments));
+};
+
+
+/**
+ * Inherit the prototype methods from one constructor into another.
+ *
+ * The Function.prototype.inherits from lang.js rewritten as a standalone
+ * function (not on Function.prototype). NOTE: If this file is to be loaded
+ * during bootstrapping this function needs to be rewritten using some native
+ * functions as prototype setup using normal JavaScript does not work as
+ * expected during bootstrapping (see mirror.js in r114903).
+ *
+ * @param {function} ctor Constructor function which needs to inherit the
+ *     prototype.
+ * @param {function} superCtor Constructor function to inherit prototype from.
+ */
+exports.inherits = require('inherits');
+
+exports._extend = function(origin, add) {
+  // Don't do anything if add isn't an object
+  if (!add || !isObject(add)) return origin;
+
+  var keys = Object.keys(add);
+  var i = keys.length;
+  while (i--) {
+    origin[keys[i]] = add[keys[i]];
+  }
+  return origin;
+};
+
+function hasOwnProperty(obj, prop) {
+  return Object.prototype.hasOwnProperty.call(obj, prop);
+}
+
+}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"./support/isBuffer":210,"_process":166,"inherits":145}],212:[function(require,module,exports){
+var indexOf = require('indexof');
+
+var Object_keys = function (obj) {
+    if (Object.keys) return Object.keys(obj)
+    else {
+        var res = [];
+        for (var key in obj) res.push(key)
+        return res;
+    }
+};
+
+var forEach = function (xs, fn) {
+    if (xs.forEach) return xs.forEach(fn)
+    else for (var i = 0; i < xs.length; i++) {
+        fn(xs[i], i, xs);
+    }
+};
+
+var defineProp = (function() {
+    try {
+        Object.defineProperty({}, '_', {});
+        return function(obj, name, value) {
+            Object.defineProperty(obj, name, {
+                writable: true,
+                enumerable: false,
+                configurable: true,
+                value: value
+            })
+        };
+    } catch(e) {
+        return function(obj, name, value) {
+            obj[name] = value;
+        };
+    }
+}());
+
+var globals = ['Array', 'Boolean', 'Date', 'Error', 'EvalError', 'Function',
+'Infinity', 'JSON', 'Math', 'NaN', 'Number', 'Object', 'RangeError',
+'ReferenceError', 'RegExp', 'String', 'SyntaxError', 'TypeError', 'URIError',
+'decodeURI', 'decodeURIComponent', 'encodeURI', 'encodeURIComponent', 'escape',
+'eval', 'isFinite', 'isNaN', 'parseFloat', 'parseInt', 'undefined', 'unescape'];
+
+function Context() {}
+Context.prototype = {};
+
+var Script = exports.Script = function NodeScript (code) {
+    if (!(this instanceof Script)) return new Script(code);
+    this.code = code;
+};
+
+Script.prototype.runInContext = function (context) {
+    if (!(context instanceof Context)) {
+        throw new TypeError("needs a 'context' argument.");
+    }
+    
+    var iframe = document.createElement('iframe');
+    if (!iframe.style) iframe.style = {};
+    iframe.style.display = 'none';
+    
+    document.body.appendChild(iframe);
+    
+    var win = iframe.contentWindow;
+    var wEval = win.eval, wExecScript = win.execScript;
+
+    if (!wEval && wExecScript) {
+        // win.eval() magically appears when this is called in IE:
+        wExecScript.call(win, 'null');
+        wEval = win.eval;
+    }
+    
+    forEach(Object_keys(context), function (key) {
+        win[key] = context[key];
+    });
+    forEach(globals, function (key) {
+        if (context[key]) {
+            win[key] = context[key];
+        }
+    });
+    
+    var winKeys = Object_keys(win);
+
+    var res = wEval.call(win, this.code);
+    
+    forEach(Object_keys(win), function (key) {
+        // Avoid copying circular objects like `top` and `window` by only
+        // updating existing context properties or new properties in the `win`
+        // that was only introduced after the eval.
+        if (key in context || indexOf(winKeys, key) === -1) {
+            context[key] = win[key];
+        }
+    });
+
+    forEach(globals, function (key) {
+        if (!(key in context)) {
+            defineProp(context, key, win[key]);
+        }
+    });
+    
+    document.body.removeChild(iframe);
+    
+    return res;
+};
+
+Script.prototype.runInThisContext = function () {
+    return eval(this.code); // maybe...
+};
+
+Script.prototype.runInNewContext = function (context) {
+    var ctx = Script.createContext(context);
+    var res = this.runInContext(ctx);
+
+    forEach(Object_keys(ctx), function (key) {
+        context[key] = ctx[key];
+    });
+
+    return res;
+};
+
+forEach(Object_keys(Script.prototype), function (name) {
+    exports[name] = Script[name] = function (code) {
+        var s = Script(code);
+        return s[name].apply(s, [].slice.call(arguments, 1));
+    };
+});
+
+exports.createScript = function (code) {
+    return exports.Script(code);
+};
+
+exports.createContext = Script.createContext = function (context) {
+    var copy = new Context();
+    if(typeof context === 'object') {
+        forEach(Object_keys(context), function (key) {
+            copy[key] = context[key];
+        });
+    }
+    return copy;
+};
+
+},{"indexof":144}],213:[function(require,module,exports){
+module.exports={
+  "name": "bitcoincashjs",
+  "version": "0.1.9",
+  "description": "A simple, safe, and powerful JavaScript Bitcoin Cash library.",
+  "author": "Emilio Almansi <hi@ealmansi.com>",
+  "main": "src/bitcoincash.js",
+  "files": [
+    "src/",
+    "dist/"
+  ],
+  "scripts": {
+    "build": "node scripts/build.js",
+    "build:tests": "node scripts/build-tests.js",
+    "test": "npm run test:node",
+    "test:all": "npm run test:node && npm run test:browser",
+    "test:node": "nyc --reporter=html --reporter=text mocha",
+    "test:browser": "npm run build:tests && karma start",
+    "lint": "node scripts/lint.js",
+    "coveralls": "nyc report --reporter=text-lcov | coveralls",
+    "preversion": "npm test",
+    "version": "node scripts/version.js",
+    "postversion": "node scripts/postversion.js",
+    "bump": "npm version patch -m 'Bump version to %s.'"
+  },
+  "keywords": [
+    "bitcoin",
+    "transaction",
+    "address",
+    "p2p",
+    "ecies",
+    "cryptocurrency",
+    "blockchain",
+    "payment",
+    "bip21",
+    "bip32",
+    "bip37",
+    "bip69",
+    "bip70",
+    "multisig"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/bitcoincashjs/bitcoincashjs.git"
+  },
+  "browser": {
+    "request": "browser-request"
+  },
+  "dependencies": {
+    "big-integer": "^1.6.26",
+    "bn.js": "=2.0.4",
+    "bs58": "=2.0.0",
+    "buffer-compare": "=1.0.0",
+    "cashaddrjs": "^0.2.8",
+    "elliptic": "=3.0.3",
+    "inherits": "=2.0.1",
+    "lodash": "^4.17.4",
+    "unorm": "^1.4.1"
+  },
+  "devDependencies": {
+    "brfs": "^1.4.3",
+    "browserify": "^14.5.0",
+    "chai": "^1.10.0",
+    "coveralls": "^3.0.0",
+    "jsdoc": "^3.5.5",
+    "jshint": "^2.9.5",
+    "karma": "^2.0.0",
+    "karma-chrome-launcher": "^2.2.0",
+    "karma-detect-browsers": "^2.2.6",
+    "karma-firefox-launcher": "^1.1.0",
+    "karma-mocha": "^1.3.0",
+    "mocha": "^4.1.0",
+    "mustache": "^2.3.0",
+    "nyc": "^11.4.1",
+    "shelljs": "^0.8.0",
+    "sinon": "^1.13.0",
+    "uglify-js": "^3.3.4"
+  },
+  "license": "MIT"
+}
+
+},{}],214:[function(require,module,exports){
+(function (Buffer){
+'use strict';
+
+var _ = require('lodash');
+var $ = require('./util/preconditions');
+var cashaddr = require('cashaddrjs');
+var errors = require('./errors');
+var Base58Check = require('./encoding/base58check');
+var Networks = require('./networks');
+var Hash = require('./crypto/hash');
+var JSUtil = require('./util/js');
+var PublicKey = require('./publickey');
+
+var BITPAY_P2PKH_VERSION_BYTE = 28;
+var BITPAY_P2SH_VERSION_BYTE = 40;
+
+/**
+ * Instantiate an address from an address String or Buffer, a public key or script hash Buffer,
+ * or an instance of {@link PublicKey} or {@link Script}.
+ *
+ * This is an immutable class, and if the first parameter provided to this constructor is an
+ * `Address` instance, the same argument will be returned.
+ *
+ * An address has two key properties: `network` and `type`. The type is either
+ * `Address.PayToPublicKeyHash` (value is the `'pubkeyhash'` string)
+ * or `Address.PayToScriptHash` (the string `'scripthash'`). The network is an instance of {@link Network}.
+ * You can quickly check whether an address is of a given kind by using the methods
+ * `isPayToPublicKeyHash` and `isPayToScriptHash`
+ *
+ * @example
+ * ```javascript
+ * // validate that an input field is valid
+ * var error = Address.getValidationError(input, 'testnet');
+ * if (!error) {
+ *   var address = Address(input, 'testnet');
+ * } else {
+ *   // invalid network or checksum (typo?)
+ *   var message = error.messsage;
+ * }
+ *
+ * // get an address from a public key
+ * var address = Address(publicKey, 'testnet').toString();
+ * ```
+ *
+ * @param {*} data - The encoded data in various formats
+ * @param {Network|String|number=} network - The network: 'livenet' or 'testnet'
+ * @param {string=} type - The type of address: 'script' or 'pubkey'
+ * @returns {Address} A new valid and frozen instance of an Address
+ * @constructor
+ */
+function Address(data, network, type) {
+  /* jshint maxcomplexity: 12 */
+  /* jshint maxstatements: 20 */
+
+  if (!(this instanceof Address)) {
+    return new Address(data, network, type);
+  }
+
+  if (_.isArray(data) && _.isNumber(network)) {
+    return Address.createMultisig(data, network, type);
+  }
+
+  if (data instanceof Address) {
+    // Immutable instance
+    return data;
+  }
+
+  $.checkArgument(data, 'First argument is required, please include address data.', 'guide/address.html');
+
+  if (network && !Networks.get(network)) {
+    throw new TypeError('Second argument must be "livenet" or "testnet".');
+  }
+
+  if (type && (type !== Address.PayToPublicKeyHash && type !== Address.PayToScriptHash)) {
+    throw new TypeError('Third argument must be "pubkeyhash" or "scripthash".');
+  }
+
+  var info = this._classifyArguments(data, network, type);
+
+  // set defaults if not set
+  info.network = info.network || Networks.get(network) || Networks.defaultNetwork;
+  info.type = info.type || type || Address.PayToPublicKeyHash;
+
+  JSUtil.defineImmutable(this, {
+    hashBuffer: info.hashBuffer,
+    network: info.network,
+    type: info.type
+  });
+
+  return this;
+}
+
+/**
+ * Internal function used to split different kinds of arguments of the constructor
+ * @param {*} data - The encoded data in various formats
+ * @param {Network|String|number=} network - The network: 'livenet' or 'testnet'
+ * @param {string=} type - The type of address: 'script' or 'pubkey'
+ * @returns {Object} An "info" object with "type", "network", and "hashBuffer"
+ */
+Address.prototype._classifyArguments = function(data, network, type) {
+  /* jshint maxcomplexity: 10 */
+  // transform and validate input data
+  if ((data instanceof Buffer || data instanceof Uint8Array) && data.length === 20) {
+    return Address._transformHash(data);
+  } else if ((data instanceof Buffer || data instanceof Uint8Array) && data.length === 21) {
+    return Address._transformBuffer(data, network, type);
+  } else if (data instanceof PublicKey) {
+    return Address._transformPublicKey(data);
+  } else if (data instanceof Script) {
+    return Address._transformScript(data, network);
+  } else if (typeof(data) === 'string') {
+    return Address._transformString(data, network, type, Address.DefaultFormat);
+  } else if (_.isObject(data)) {
+    return Address._transformObject(data);
+  } else {
+    throw new TypeError('First argument is an unrecognized data format.');
+  }
+};
+
+/** @static */
+Address.LegacyFormat = 'legacy';
+/** @static */
+Address.BitpayFormat = 'bitpay';
+/** @static */
+Address.CashAddrFormat = 'cashaddr';
+/** @static */
+Address.DefaultFormat = Address.LegacyFormat;
+
+/** @static */
+Address.PayToPublicKeyHash = 'pubkeyhash';
+/** @static */
+Address.PayToScriptHash = 'scripthash';
+
+/**
+ * @param {Buffer} hash - An instance of a hash Buffer
+ * @returns {Object} An object with keys: hashBuffer
+ * @private
+ */
+Address._transformHash = function(hash) {
+  var info = {};
+  if (!(hash instanceof Buffer) && !(hash instanceof Uint8Array)) {
+    throw new TypeError('Address supplied is not a buffer.');
+  }
+  if (hash.length !== 20) {
+    throw new TypeError('Address hashbuffers must be exactly 20 bytes.');
+  }
+  info.hashBuffer = hash;
+  return info;
+};
+
+/**
+ * Deserializes an address serialized through `Address#toObject()`
+ * @param {Object} data
+ * @param {string} data.hash - the hash that this address encodes
+ * @param {string} data.type - either 'pubkeyhash' or 'scripthash'
+ * @param {Network=} data.network - the name of the network associated
+ * @return {Address}
+ */
+Address._transformObject = function(data) {
+  $.checkArgument(data.hash || data.hashBuffer, 'Must provide a `hash` or `hashBuffer` property');
+  $.checkArgument(data.type, 'Must provide a `type` property');
+  return {
+    hashBuffer: data.hash ? new Buffer(data.hash, 'hex') : data.hashBuffer,
+    network: Networks.get(data.network) || Networks.defaultNetwork,
+    type: data.type
+  };
+};
+
+/**
+ * Internal function to discover the network and type based on the first data byte
+ *
+ * @param {Buffer} buffer - An instance of a hex encoded address Buffer
+ * @returns {Object} An object with keys: network and type
+ * @private
+ */
+Address._classifyFromVersion = function(buffer) {
+  var version = {};
+
+  var pubkeyhashNetwork = Networks.get(buffer[0], 'pubkeyhash');
+  var scripthashNetwork = Networks.get(buffer[0], 'scripthash');
+
+  if (pubkeyhashNetwork) {
+    version.network = pubkeyhashNetwork;
+    version.type = Address.PayToPublicKeyHash;
+  } else if (scripthashNetwork) {
+    version.network = scripthashNetwork;
+    version.type = Address.PayToScriptHash;
+  }
+
+  return version;
+};
+
+/**
+ * Internal function to transform a bitcoin address buffer
+ *
+ * @param {Buffer} buffer - An instance of a hex encoded address Buffer
+ * @param {string=} network - The network: 'livenet' or 'testnet'
+ * @param {string=} type - The type: 'pubkeyhash' or 'scripthash'
+ * @returns {Object} An object with keys: hashBuffer, network and type
+ * @private
+ */
+Address._transformBuffer = function(buffer, network, type) {
+  /* jshint maxcomplexity: 9 */
+  var info = {};
+  if (!(buffer instanceof Buffer) && !(buffer instanceof Uint8Array)) {
+    throw new TypeError('Address supplied is not a buffer.');
+  }
+  if (buffer.length !== 1 + 20) {
+    throw new TypeError('Address buffers must be exactly 21 bytes.');
+  }
+
+  network = Networks.get(network);
+  var bufferVersion = Address._classifyFromVersion(buffer);
+
+  if (!bufferVersion.network || (network && network !== bufferVersion.network)) {
+    throw new TypeError('Address has mismatched network type.');
+  }
+
+  if (!bufferVersion.type || (type && type !== bufferVersion.type)) {
+    throw new TypeError('Address has mismatched type.');
+  }
+
+  info.hashBuffer = buffer.slice(1);
+  info.network = bufferVersion.network;
+  info.type = bufferVersion.type;
+  return info;
+};
+
+/**
+ * Internal function to transform a {@link PublicKey}
+ *
+ * @param {PublicKey} pubkey - An instance of PublicKey
+ * @returns {Object} An object with keys: hashBuffer, type
+ * @private
+ */
+Address._transformPublicKey = function(pubkey) {
+  var info = {};
+  if (!(pubkey instanceof PublicKey)) {
+    throw new TypeError('Address must be an instance of PublicKey.');
+  }
+  info.hashBuffer = Hash.sha256ripemd160(pubkey.toBuffer());
+  info.type = Address.PayToPublicKeyHash;
+  return info;
+};
+
+/**
+ * Internal function to transform a {@link Script} into a `info` object.
+ *
+ * @param {Script} script - An instance of Script
+ * @returns {Object} An object with keys: hashBuffer, type
+ * @private
+ */
+Address._transformScript = function(script, network) {
+  $.checkArgument(script instanceof Script, 'script must be a Script instance');
+  var info = script.getAddressInfo(network);
+  if (!info) {
+    throw new errors.Script.CantDeriveAddress(script);
+  }
+  return info;
+};
+
+/**
+ * Creates a P2SH address from a set of public keys and a threshold.
+ *
+ * The addresses will be sorted lexicographically, as that is the trend in bitcoin.
+ * To create an address from unsorted public keys, use the {@link Script#buildMultisigOut}
+ * interface.
+ *
+ * @param {Array} publicKeys - a set of public keys to create an address
+ * @param {number} threshold - the number of signatures needed to release the funds
+ * @param {String|Network} network - either a Network instance, 'livenet', or 'testnet'
+ * @return {Address}
+ */
+Address.createMultisig = function(publicKeys, threshold, network) {
+  network = network || publicKeys[0].network || Networks.defaultNetwork;
+  return Address.payingTo(Script.buildMultisigOut(publicKeys, threshold), network);
+};
+
+/**
+ * Internal function to transform a bitcoin address string
+ *
+ * @param {string} data
+ * @param {String|Network=} network - either a Network instance, 'livenet', or 'testnet'
+ * @param {string=} type - The type: 'pubkeyhash' or 'scripthash'
+ * @param {string} format - The format: 'legacy', 'bitpay' or 'cashaddr'
+ * @returns {Object} An object with keys: hashBuffer, network and type
+ * @private
+ */
+Address._transformString = function(data, network, type, format) {
+  if (typeof(data) !== 'string') {
+    throw new TypeError('data parameter supplied is not a string.');
+  }
+  data = data.trim();
+  if (format === Address.LegacyFormat) {
+    return Address._transformStringLegacy(data, network, type);
+  }
+  else if (format === Address.BitpayFormat) {
+    return Address._transformStringBitpay(data, network, type);
+  }
+  else if (format === Address.CashAddrFormat) {
+    return Address._transformStringCashAddr(data, network, type);
+  }
+  throw new TypeError('Unrecognized address format.');
+};
+
+/**
+ * Internal function to transform a bitcoin address string in legacy format
+ *
+ * @param {string} data
+ * @param {String|Network=} network - either a Network instance, 'livenet', or 'testnet'
+ * @param {string=} type - The type: 'pubkeyhash' or 'scripthash'
+ * @returns {Object} An object with keys: hashBuffer, network and type
+ * @private
+ */
+Address._transformStringLegacy = function(data, network, type) {
+  var addressBuffer = Base58Check.decode(data);
+  return Address._transformBuffer(addressBuffer, network, type);
+};
+
+/**
+ * Internal function to transform a bitcoin address string in Bitpay format
+ *
+ * @param {string} data
+ * @param {String|Network=} network - either a Network instance, 'livenet', or 'testnet'
+ * @param {string=} type - The type: 'pubkeyhash' or 'scripthash'
+ * @returns {Object} An object with keys: hashBuffer, network and type
+ * @private
+ */
+Address._transformStringBitpay = function(data, network, type) {
+  var addressBuffer = Base58Check.decode(data);
+  if (addressBuffer[0] === BITPAY_P2PKH_VERSION_BYTE) {
+    addressBuffer[0] = 0;
+  }
+  else if (addressBuffer[0] === BITPAY_P2SH_VERSION_BYTE) {
+    addressBuffer[0] = 5;
+  }
+  return Address._transformBuffer(addressBuffer, network, type);
+};
+
+/**
+ * Internal function to transform a bitcoin address string in CashAddr format
+ *
+ * @param {string} data
+ * @param {String|Network=} network - either a Network instance, 'livenet', or 'testnet'
+ * @param {string=} type - The type: 'pubkeyhash' or 'scripthash'
+ * @returns {Object} An object with keys: hashBuffer, network and type
+ * @private
+ */
+Address._transformStringCashAddr = function(data, network, type) {
+  if (!(typeof network === 'string')) {
+    network = network.toString();
+  }
+  var decoded = cashaddr.decode(data);
+  $.checkArgument(
+      !network ||
+          (network === 'livenet' && decoded.prefix === 'bitcoincash') ||
+          (network === 'testnet' && decoded.prefix === 'bchtest'),
+      'Invalid network.'
+  );
+  $.checkArgument(
+    !type ||
+        (type === Address.PayToPublicKeyHash && decoded.type === 'P2PKH') ||
+        (type === Address.PayToScriptHash && decoded.type === 'P2SH'),
+    'Invalid type.'
+  );
+  network = Networks.get(network ||
+      (decoded.prefix === 'bitcoincash' ? 'livenet' : 'testnet')
+  );
+  type = type ||
+      (decoded.type === 'P2PKH' ? Address.PayToPublicKeyHash : Address.PayToScriptHash);
+  var version = new Buffer([network[type]]);
+  var hashBuffer = new Buffer(decoded.hash);
+  var addressBuffer = Buffer.concat([version, hashBuffer]);
+  return Address._transformBuffer(addressBuffer, network, type);
+};
+
+/**
+ * Instantiate an address from a PublicKey instance
+ *
+ * @param {PublicKey} data
+ * @param {String|Network} network - either a Network instance, 'livenet', or 'testnet'
+ * @returns {Address} A new valid and frozen instance of an Address
+ */
+Address.fromPublicKey = function(data, network) {
+  var info = Address._transformPublicKey(data);
+  network = network || Networks.defaultNetwork;
+  return new Address(info.hashBuffer, network, info.type);
+};
+
+/**
+ * Instantiate an address from a ripemd160 public key hash
+ *
+ * @param {Buffer} hash - An instance of buffer of the hash
+ * @param {String|Network} network - either a Network instance, 'livenet', or 'testnet'
+ * @returns {Address} A new valid and frozen instance of an Address
+ */
+Address.fromPublicKeyHash = function(hash, network) {
+  var info = Address._transformHash(hash);
+  return new Address(info.hashBuffer, network, Address.PayToPublicKeyHash);
+};
+
+/**
+ * Instantiate an address from a ripemd160 script hash
+ *
+ * @param {Buffer} hash - An instance of buffer of the hash
+ * @param {String|Network} network - either a Network instance, 'livenet', or 'testnet'
+ * @returns {Address} A new valid and frozen instance of an Address
+ */
+Address.fromScriptHash = function(hash, network) {
+  $.checkArgument(hash, 'hash parameter is required');
+  var info = Address._transformHash(hash);
+  return new Address(info.hashBuffer, network, Address.PayToScriptHash);
+};
+
+/**
+ * Builds a p2sh address paying to script. This will hash the script and
+ * use that to create the address.
+ * If you want to extract an address associated with a script instead,
+ * see {{Address#fromScript}}
+ *
+ * @param {Script} script - An instance of Script
+ * @param {String|Network} network - either a Network instance, 'livenet', or 'testnet'
+ * @returns {Address} A new valid and frozen instance of an Address
+ */
+Address.payingTo = function(script, network) {
+  $.checkArgument(script, 'script is required');
+  $.checkArgument(script instanceof Script, 'script must be instance of Script');
+
+  return Address.fromScriptHash(Hash.sha256ripemd160(script.toBuffer()), network);
+};
+
+/**
+ * Extract address from a Script. The script must be of one
+ * of the following types: p2pkh input, p2pkh output, p2sh input
+ * or p2sh output.
+ * This will analyze the script and extract address information from it.
+ * If you want to transform any script to a p2sh Address paying
+ * to that script's hash instead, use {{Address#payingTo}}
+ *
+ * @param {Script} script - An instance of Script
+ * @param {String|Network} network - either a Network instance, 'livenet', or 'testnet'
+ * @returns {Address} A new valid and frozen instance of an Address
+ */
+Address.fromScript = function(script, network) {
+  $.checkArgument(script instanceof Script, 'script must be a Script instance');
+  var info = Address._transformScript(script, network);
+  return new Address(info.hashBuffer, network, info.type);
+};
+
+/**
+ * Instantiate an address from a buffer of the address
+ *
+ * @param {Buffer} buffer - An instance of buffer of the address
+ * @param {String|Network=} network - either a Network instance, 'livenet', or 'testnet'
+ * @param {string=} type - The type of address: 'script' or 'pubkey'
+ * @returns {Address} A new valid and frozen instance of an Address
+ */
+Address.fromBuffer = function(buffer, network, type) {
+  var info = Address._transformBuffer(buffer, network, type);
+  return new Address(info.hashBuffer, info.network, info.type);
+};
+
+/**
+ * Instantiate an address from an address string
+ *
+ * @param {string} str - An string of the bitcoin address
+ * @param {String|Network=} network - either a Network instance, 'livenet', or 'testnet'
+ * @param {string=} type - The type of address: 'script' or 'pubkey'
+ * @param {string=} format - The format: 'legacy', 'bitpay' or 'cashaddr'
+ * @returns {Address} A new valid and frozen instance of an Address
+ */
+Address.fromString = function(str, network, type, format) {
+  format = format || Address.DefaultFormat;
+  var info = Address._transformString(str, network, type, format);
+  return new Address(info.hashBuffer, info.network, info.type);
+};
+
+/**
+ * Instantiate an address from an Object
+ *
+ * @param {string} json - An JSON string or Object with keys: hash, network and type
+ * @returns {Address} A new valid instance of an Address
+ */
+Address.fromObject = function fromObject(obj) {
+  $.checkState(
+    JSUtil.isHexa(obj.hash),
+    'Unexpected hash property, "' + obj.hash + '", expected to be hex.'
+  );
+  var hashBuffer = new Buffer(obj.hash, 'hex');
+  return new Address(hashBuffer, obj.network, obj.type);
+};
+
+/**
+ * Will return a validation error if exists
+ *
+ * @example
+ * ```javascript
+ * // a network mismatch error
+ * var error = Address.getValidationError('15vkcKf7gB23wLAnZLmbVuMiiVDc1Nm4a2', 'testnet');
+ * ```
+ *
+ * @param {string} data - The encoded data
+ * @param {String|Network} network - either a Network instance, 'livenet', or 'testnet'
+ * @param {string} type - The type of address: 'script' or 'pubkey'
+ * @returns {null|Error} The corresponding error message
+ */
+Address.getValidationError = function(data, network, type) {
+  var error;
+  try {
+    /* jshint nonew: false */
+    new Address(data, network, type);
+  } catch (e) {
+    error = e;
+  }
+  return error;
+};
+
+/**
+ * Will return a boolean if an address is valid
+ *
+ * @example
+ * ```javascript
+ * assert(Address.isValid('15vkcKf7gB23wLAnZLmbVuMiiVDc1Nm4a2', 'livenet'));
+ * ```
+ *
+ * @param {string} data - The encoded data
+ * @param {String|Network} network - either a Network instance, 'livenet', or 'testnet'
+ * @param {string} type - The type of address: 'script' or 'pubkey'
+ * @returns {boolean} The corresponding error message
+ */
+Address.isValid = function(data, network, type) {
+  return !Address.getValidationError(data, network, type);
+};
+
+/**
+ * Returns true if an address is of pay to public key hash type
+ * @return boolean
+ */
+Address.prototype.isPayToPublicKeyHash = function() {
+  return this.type === Address.PayToPublicKeyHash;
+};
+
+/**
+ * Returns true if an address is of pay to script hash type
+ * @return boolean
+ */
+Address.prototype.isPayToScriptHash = function() {
+  return this.type === Address.PayToScriptHash;
+};
+
+/**
+ * Will return a buffer representation of the address
+ *
+ * @returns {Buffer} Bitcoin address buffer
+ */
+Address.prototype.toBuffer = function() {
+  var version = new Buffer([this.network[this.type]]);
+  var buf = Buffer.concat([version, this.hashBuffer]);
+  return buf;
+};
+
+/**
+ * @returns {Object} A plain object with the address information
+ */
+Address.prototype.toObject = Address.prototype.toJSON = function toObject() {
+  return {
+    hash: this.hashBuffer.toString('hex'),
+    type: this.type,
+    network: this.network.toString()
+  };
+};
+
+/**
+ * Will return a the string representation of the address
+ *
+ * @param {string=} format - The format: 'legacy', 'bitpay' or 'cashaddr'
+ * @returns {string} Bitcoin address
+ */
+Address.prototype.toString = function(format) {
+  format = format || Address.DefaultFormat;
+  if (format === Address.LegacyFormat) {
+    return this._toStringLegacy();
+  }
+  else if (format === Address.BitpayFormat) {
+    return this._toStringBitpay();
+  }
+  else if (format === Address.CashAddrFormat) {
+    return this._toStringCashAddr();
+  }
+  throw new TypeError('Unrecognized address format.');
+};
+
+/**
+ * Will return a the string representation of the address in legacy format
+ *
+ * @returns {string} Bitcoin address
+ */
+Address.prototype._toStringLegacy = function() {
+  return Base58Check.encode(this.toBuffer());
+}
+
+/**
+ * Will return a the string representation of the address in Bitpay format
+ *
+ * @returns {string} Bitcoin address
+ */
+Address.prototype._toStringBitpay = function() {
+  var buffer = this.toBuffer();
+  if (this.network.toString() === 'livenet') {
+    if (this.type === Address.PayToPublicKeyHash) {
+      buffer[0] = BITPAY_P2PKH_VERSION_BYTE;
+    }
+    else if (this.type === Address.PayToScriptHash) {
+      buffer[0] = BITPAY_P2SH_VERSION_BYTE;
+    }
+  }
+  return Base58Check.encode(buffer);
+}
+
+/**
+ * Will return a the string representation of the address in CashAddr format
+ *
+ * @returns {string} Bitcoin address
+ */
+Address.prototype._toStringCashAddr = function() {
+  var prefix = this.network.toString() === 'livenet' ? 'bitcoincash' : 'bchtest';
+  var type = this.type === Address.PayToPublicKeyHash ? 'P2PKH' : 'P2SH';
+  var hash = Array.prototype.slice.call(this.hashBuffer, 0);
+  return cashaddr.encode(prefix, type, hash);
+}
+
+/**
+ * Will return a string formatted for the console
+ *
+ * @returns {string} Bitcoin address
+ */
+Address.prototype.inspect = function() {
+  return '<Address: ' + this.toString() + ', type: ' + this.type + ', network: ' + this.network + '>';
+};
+
+module.exports = Address;
+
+var Script = require('./script');
+
+}).call(this,require("buffer").Buffer)
+},{"./crypto/hash":222,"./encoding/base58check":227,"./errors":231,"./networks":246,"./publickey":249,"./script":250,"./util/js":268,"./util/preconditions":269,"buffer":70,"cashaddrjs":72,"lodash":148}],215:[function(require,module,exports){
+(function (global,Buffer){
+'use strict';
+
+var bch = module.exports;
+
+// module information
+bch.version = 'v' + require('../package.json').version;
+bch.versionGuard = function(version) {
+  if (version !== undefined) {
+    var message = 'More than one instance of bitcoincashjs found. ' +
+      'Please make sure to require bitcoincashjs and check that submodules do' +
+      ' not also include their own bitcoincashjs dependency.';
+    throw new Error(message);
+  }
+};
+bch.versionGuard(global._bch);
+global._bch = bch.version;
+
+// crypto
+bch.crypto = {};
+bch.crypto.BN = require('./crypto/bn');
+bch.crypto.ECDSA = require('./crypto/ecdsa');
+bch.crypto.Hash = require('./crypto/hash');
+bch.crypto.Random = require('./crypto/random');
+bch.crypto.Point = require('./crypto/point');
+bch.crypto.Signature = require('./crypto/signature');
+
+// encoding
+bch.encoding = {};
+bch.encoding.Base58 = require('./encoding/base58');
+bch.encoding.Base58Check = require('./encoding/base58check');
+bch.encoding.BufferReader = require('./encoding/bufferreader');
+bch.encoding.BufferWriter = require('./encoding/bufferwriter');
+bch.encoding.Varint = require('./encoding/varint');
+
+// utilities
+bch.util = {};
+bch.util.buffer = require('./util/buffer');
+bch.util.js = require('./util/js');
+bch.util.preconditions = require('./util/preconditions');
+
+// errors thrown by the library
+bch.errors = require('./errors');
+
+// main bitcoin library
+bch.Address = require('./address');
+bch.Block = require('./block');
+bch.BlockHeader = require('./block/blockheader');
+bch.HDPrivateKey = require('./hdprivatekey.js');
+bch.HDPublicKey = require('./hdpublickey.js');
+bch.MerkleBlock = require('./block/merkleblock');
+bch.Message = require('./message');
+bch.Mnemonic = require('./mnemonic');
+bch.Networks = require('./networks');
+bch.Opcode = require('./opcode');
+bch.PrivateKey = require('./privatekey');
+bch.PublicKey = require('./publickey');
+bch.Script = require('./script');
+bch.Transaction = require('./transaction');
+bch.Unit = require('./unit');
+bch.URI = require('./uri');
+
+// dependencies, subject to change
+bch.deps = {};
+bch.deps.bnjs = require('bn.js');
+bch.deps.bs58 = require('bs58');
+bch.deps.Buffer = Buffer;
+bch.deps.elliptic = require('elliptic');
+bch.deps._ = require('lodash');
+
+// Internal usage, exposed for testing/advanced tweaking
+bch.Transaction.sighash = require('./transaction/sighash');
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {},require("buffer").Buffer)
+},{"../package.json":213,"./address":214,"./block":218,"./block/blockheader":217,"./block/merkleblock":219,"./crypto/bn":220,"./crypto/ecdsa":221,"./crypto/hash":222,"./crypto/point":223,"./crypto/random":224,"./crypto/signature":225,"./encoding/base58":226,"./encoding/base58check":227,"./encoding/bufferreader":228,"./encoding/bufferwriter":229,"./encoding/varint":230,"./errors":231,"./hdprivatekey.js":233,"./hdpublickey.js":234,"./message":235,"./mnemonic":236,"./networks":246,"./opcode":247,"./privatekey":248,"./publickey":249,"./script":250,"./transaction":253,"./transaction/sighash":261,"./unit":265,"./uri":266,"./util/buffer":267,"./util/js":268,"./util/preconditions":269,"bn.js":19,"bs58":67,"buffer":70,"elliptic":112,"lodash":148}],216:[function(require,module,exports){
+(function (Buffer){
+'use strict';
+
+var _ = require('lodash');
+var BlockHeader = require('./blockheader');
+var BN = require('../crypto/bn');
+var BufferUtil = require('../util/buffer');
+var BufferReader = require('../encoding/bufferreader');
+var BufferWriter = require('../encoding/bufferwriter');
+var Hash = require('../crypto/hash');
+var Transaction = require('../transaction');
+var $ = require('../util/preconditions');
+
+/**
+ * Instantiate a Block from a Buffer, JSON object, or Object with
+ * the properties of the Block
+ *
+ * @param {*} - A Buffer, JSON string, or Object
+ * @returns {Block}
+ * @constructor
+ */
+function Block(arg) {
+  if (!(this instanceof Block)) {
+    return new Block(arg);
+  }
+  _.extend(this, Block._from(arg));
+  return this;
+}
+
+// https://github.com/bitcoin/bitcoin/blob/b5fa132329f0377d787a4a21c1686609c2bfaece/src/primitives/block.h#L14
+Block.MAX_BLOCK_SIZE = 1000000;
+
+/**
+ * @param {*} - A Buffer, JSON string or Object
+ * @returns {Object} - An object representing block data
+ * @throws {TypeError} - If the argument was not recognized
+ * @private
+ */
+Block._from = function _from(arg) {
+  var info = {};
+  if (BufferUtil.isBuffer(arg)) {
+    info = Block._fromBufferReader(BufferReader(arg));
+  } else if (_.isObject(arg)) {
+    info = Block._fromObject(arg);
+  } else {
+    throw new TypeError('Unrecognized argument for Block');
+  }
+  return info;
+};
+
+/**
+ * @param {Object} - A plain JavaScript object
+ * @returns {Object} - An object representing block data
+ * @private
+ */
+Block._fromObject = function _fromObject(data) {
+  var transactions = [];
+  data.transactions.forEach(function(tx) {
+    if (tx instanceof Transaction) {
+      transactions.push(tx);
+    } else {
+      transactions.push(Transaction().fromObject(tx));
+    }
+  });
+  var info = {
+    header: BlockHeader.fromObject(data.header),
+    transactions: transactions
+  };
+  return info;
+};
+
+/**
+ * @param {Object} - A plain JavaScript object
+ * @returns {Block} - An instance of block
+ */
+Block.fromObject = function fromObject(obj) {
+  var info = Block._fromObject(obj);
+  return new Block(info);
+};
+
+/**
+ * @param {BufferReader} - Block data
+ * @returns {Object} - An object representing the block data
+ * @private
+ */
+Block._fromBufferReader = function _fromBufferReader(br) {
+  var info = {};
+  $.checkState(!br.finished(), 'No block data received');
+  info.header = BlockHeader.fromBufferReader(br);
+  var transactions = br.readVarintNum();
+  info.transactions = [];
+  for (var i = 0; i < transactions; i++) {
+    info.transactions.push(Transaction().fromBufferReader(br));
+  }
+  return info;
+};
+
+/**
+ * @param {BufferReader} - A buffer reader of the block
+ * @returns {Block} - An instance of block
+ */
+Block.fromBufferReader = function fromBufferReader(br) {
+  $.checkArgument(br, 'br is required');
+  var info = Block._fromBufferReader(br);
+  return new Block(info);
+};
+
+/**
+ * @param {Buffer} - A buffer of the block
+ * @returns {Block} - An instance of block
+ */
+Block.fromBuffer = function fromBuffer(buf) {
+  return Block.fromBufferReader(new BufferReader(buf));
+};
+
+/**
+ * @param {string} - str - A hex encoded string of the block
+ * @returns {Block} - A hex encoded string of the block
+ */
+Block.fromString = function fromString(str) {
+  var buf = new Buffer(str, 'hex');
+  return Block.fromBuffer(buf);
+};
+
+/**
+ * @param {Binary} - Raw block binary data or buffer
+ * @returns {Block} - An instance of block
+ */
+Block.fromRawBlock = function fromRawBlock(data) {
+  if (!BufferUtil.isBuffer(data)) {
+    data = new Buffer(data, 'binary');
+  }
+  var br = BufferReader(data);
+  br.pos = Block.Values.START_OF_BLOCK;
+  var info = Block._fromBufferReader(br);
+  return new Block(info);
+};
+
+/**
+ * @returns {Object} - A plain object with the block properties
+ */
+Block.prototype.toObject = Block.prototype.toJSON = function toObject() {
+  var transactions = [];
+  this.transactions.forEach(function(tx) {
+    transactions.push(tx.toObject());
+  });
+  return {
+    header: this.header.toObject(),
+    transactions: transactions
+  };
+};
+
+/**
+ * @returns {Buffer} - A buffer of the block
+ */
+Block.prototype.toBuffer = function toBuffer() {
+  return this.toBufferWriter().concat();
+};
+
+/**
+ * @returns {string} - A hex encoded string of the block
+ */
+Block.prototype.toString = function toString() {
+  return this.toBuffer().toString('hex');
+};
+
+/**
+ * @param {BufferWriter} - An existing instance of BufferWriter
+ * @returns {BufferWriter} - An instance of BufferWriter representation of the Block
+ */
+Block.prototype.toBufferWriter = function toBufferWriter(bw) {
+  if (!bw) {
+    bw = new BufferWriter();
+  }
+  bw.write(this.header.toBuffer());
+  bw.writeVarintNum(this.transactions.length);
+  for (var i = 0; i < this.transactions.length; i++) {
+    this.transactions[i].toBufferWriter(bw);
+  }
+  return bw;
+};
+
+/**
+ * Will iterate through each transaction and return an array of hashes
+ * @returns {Array} - An array with transaction hashes
+ */
+Block.prototype.getTransactionHashes = function getTransactionHashes() {
+  var hashes = [];
+  if (this.transactions.length === 0) {
+    return [Block.Values.NULL_HASH];
+  }
+  for (var t = 0; t < this.transactions.length; t++) {
+    hashes.push(this.transactions[t]._getHash());
+  }
+  return hashes;
+};
+
+/**
+ * Will build a merkle tree of all the transactions, ultimately arriving at
+ * a single point, the merkle root.
+ * @link https://en.bitcoin.it/wiki/Protocol_specification#Merkle_Trees
+ * @returns {Array} - An array with each level of the tree after the other.
+ */
+Block.prototype.getMerkleTree = function getMerkleTree() {
+
+  var tree = this.getTransactionHashes();
+
+  var j = 0;
+  for (var size = this.transactions.length; size > 1; size = Math.floor((size + 1) / 2)) {
+    for (var i = 0; i < size; i += 2) {
+      var i2 = Math.min(i + 1, size - 1);
+      var buf = Buffer.concat([tree[j + i], tree[j + i2]]);
+      tree.push(Hash.sha256sha256(buf));
+    }
+    j += size;
+  }
+
+  return tree;
+};
+
+/**
+ * Calculates the merkleRoot from the transactions.
+ * @returns {Buffer} - A buffer of the merkle root hash
+ */
+Block.prototype.getMerkleRoot = function getMerkleRoot() {
+  var tree = this.getMerkleTree();
+  return tree[tree.length - 1];
+};
+
+/**
+ * Verifies that the transactions in the block match the header merkle root
+ * @returns {Boolean} - If the merkle roots match
+ */
+Block.prototype.validMerkleRoot = function validMerkleRoot() {
+
+  var h = new BN(this.header.merkleRoot.toString('hex'), 'hex');
+  var c = new BN(this.getMerkleRoot().toString('hex'), 'hex');
+
+  if (h.cmp(c) !== 0) {
+    return false;
+  }
+
+  return true;
+};
+
+/**
+ * @returns {Buffer} - The little endian hash buffer of the header
+ */
+Block.prototype._getHash = function() {
+  return this.header._getHash();
+};
+
+var idProperty = {
+  configurable: false,
+  enumerable: true,
+  /**
+   * @returns {string} - The big endian hash buffer of the header
+   */
+  get: function() {
+    if (!this._id) {
+      this._id = this.header.id;
+    }
+    return this._id;
+  },
+  set: _.noop
+};
+Object.defineProperty(Block.prototype, 'id', idProperty);
+Object.defineProperty(Block.prototype, 'hash', idProperty);
+
+/**
+ * @returns {string} - A string formatted for the console
+ */
+Block.prototype.inspect = function inspect() {
+  return '<Block ' + this.id + '>';
+};
+
+Block.Values = {
+  START_OF_BLOCK: 8, // Start of block in raw block data
+  NULL_HASH: new Buffer('0000000000000000000000000000000000000000000000000000000000000000', 'hex')
+};
+
+module.exports = Block;
+
+}).call(this,require("buffer").Buffer)
+},{"../crypto/bn":220,"../crypto/hash":222,"../encoding/bufferreader":228,"../encoding/bufferwriter":229,"../transaction":253,"../util/buffer":267,"../util/preconditions":269,"./blockheader":217,"buffer":70,"lodash":148}],217:[function(require,module,exports){
+(function (Buffer){
+'use strict';
+
+var _ = require('lodash');
+var BN = require('../crypto/bn');
+var BufferUtil = require('../util/buffer');
+var BufferReader = require('../encoding/bufferreader');
+var BufferWriter = require('../encoding/bufferwriter');
+var Hash = require('../crypto/hash');
+var JSUtil = require('../util/js');
+var $ = require('../util/preconditions');
+
+var GENESIS_BITS = 0x1d00ffff;
+
+/**
+ * Instantiate a BlockHeader from a Buffer, JSON object, or Object with
+ * the properties of the BlockHeader
+ *
+ * @param {*} - A Buffer, JSON string, or Object
+ * @returns {BlockHeader} - An instance of block header
+ * @constructor
+ */
+var BlockHeader = function BlockHeader(arg) {
+  if (!(this instanceof BlockHeader)) {
+    return new BlockHeader(arg);
+  }
+  var info = BlockHeader._from(arg);
+  this.version = info.version;
+  this.prevHash = info.prevHash;
+  this.merkleRoot = info.merkleRoot;
+  this.time = info.time;
+  this.timestamp = info.time;
+  this.bits = info.bits;
+  this.nonce = info.nonce;
+
+  if (info.hash) {
+    $.checkState(
+      this.hash === info.hash,
+      'Argument object hash property does not match block hash.'
+    );
+  }
+
+  return this;
+};
+
+/**
+ * @param {*} - A Buffer, JSON string or Object
+ * @returns {Object} - An object representing block header data
+ * @throws {TypeError} - If the argument was not recognized
+ * @private
+ */
+BlockHeader._from = function _from(arg) {
+  var info = {};
+  if (BufferUtil.isBuffer(arg)) {
+    info = BlockHeader._fromBufferReader(BufferReader(arg));
+  } else if (_.isObject(arg)) {
+    info = BlockHeader._fromObject(arg);
+  } else {
+    throw new TypeError('Unrecognized argument for BlockHeader');
+  }
+  return info;
+};
+
+/**
+ * @param {Object} - A JSON string
+ * @returns {Object} - An object representing block header data
+ * @private
+ */
+BlockHeader._fromObject = function _fromObject(data) {
+  $.checkArgument(data, 'data is required');
+  var prevHash = data.prevHash;
+  var merkleRoot = data.merkleRoot;
+  if (_.isString(data.prevHash)) {
+    prevHash = BufferUtil.reverse(new Buffer(data.prevHash, 'hex'));
+  }
+  if (_.isString(data.merkleRoot)) {
+    merkleRoot = BufferUtil.reverse(new Buffer(data.merkleRoot, 'hex'));
+  }
+  var info = {
+    hash: data.hash,
+    version: data.version,
+    prevHash: prevHash,
+    merkleRoot: merkleRoot,
+    time: data.time,
+    timestamp: data.time,
+    bits: data.bits,
+    nonce: data.nonce
+  };
+  return info;
+};
+
+/**
+ * @param {Object} - A plain JavaScript object
+ * @returns {BlockHeader} - An instance of block header
+ */
+BlockHeader.fromObject = function fromObject(obj) {
+  var info = BlockHeader._fromObject(obj);
+  return new BlockHeader(info);
+};
+
+/**
+ * @param {Binary} - Raw block binary data or buffer
+ * @returns {BlockHeader} - An instance of block header
+ */
+BlockHeader.fromRawBlock = function fromRawBlock(data) {
+  if (!BufferUtil.isBuffer(data)) {
+    data = new Buffer(data, 'binary');
+  }
+  var br = BufferReader(data);
+  br.pos = BlockHeader.Constants.START_OF_HEADER;
+  var info = BlockHeader._fromBufferReader(br);
+  return new BlockHeader(info);
+};
+
+/**
+ * @param {Buffer} - A buffer of the block header
+ * @returns {BlockHeader} - An instance of block header
+ */
+BlockHeader.fromBuffer = function fromBuffer(buf) {
+  var info = BlockHeader._fromBufferReader(BufferReader(buf));
+  return new BlockHeader(info);
+};
+
+/**
+ * @param {string} - A hex encoded buffer of the block header
+ * @returns {BlockHeader} - An instance of block header
+ */
+BlockHeader.fromString = function fromString(str) {
+  var buf = new Buffer(str, 'hex');
+  return BlockHeader.fromBuffer(buf);
+};
+
+/**
+ * @param {BufferReader} - A BufferReader of the block header
+ * @returns {Object} - An object representing block header data
+ * @private
+ */
+BlockHeader._fromBufferReader = function _fromBufferReader(br) {
+  var info = {};
+  info.version = br.readInt32LE();
+  info.prevHash = br.read(32);
+  info.merkleRoot = br.read(32);
+  info.time = br.readUInt32LE();
+  info.bits = br.readUInt32LE();
+  info.nonce = br.readUInt32LE();
+  return info;
+};
+
+/**
+ * @param {BufferReader} - A BufferReader of the block header
+ * @returns {BlockHeader} - An instance of block header
+ */
+BlockHeader.fromBufferReader = function fromBufferReader(br) {
+  var info = BlockHeader._fromBufferReader(br);
+  return new BlockHeader(info);
+};
+
+/**
+ * @returns {Object} - A plain object of the BlockHeader
+ */
+BlockHeader.prototype.toObject = BlockHeader.prototype.toJSON = function toObject() {
+  return {
+    hash: this.hash,
+    version: this.version,
+    prevHash: BufferUtil.reverse(this.prevHash).toString('hex'),
+    merkleRoot: BufferUtil.reverse(this.merkleRoot).toString('hex'),
+    time: this.time,
+    bits: this.bits,
+    nonce: this.nonce
+  };
+};
+
+/**
+ * @returns {Buffer} - A Buffer of the BlockHeader
+ */
+BlockHeader.prototype.toBuffer = function toBuffer() {
+  return this.toBufferWriter().concat();
+};
+
+/**
+ * @returns {string} - A hex encoded string of the BlockHeader
+ */
+BlockHeader.prototype.toString = function toString() {
+  return this.toBuffer().toString('hex');
+};
+
+/**
+ * @param {BufferWriter} - An existing instance BufferWriter
+ * @returns {BufferWriter} - An instance of BufferWriter representation of the BlockHeader
+ */
+BlockHeader.prototype.toBufferWriter = function toBufferWriter(bw) {
+  if (!bw) {
+    bw = new BufferWriter();
+  }
+  bw.writeInt32LE(this.version);
+  bw.write(this.prevHash);
+  bw.write(this.merkleRoot);
+  bw.writeUInt32LE(this.time);
+  bw.writeUInt32LE(this.bits);
+  bw.writeUInt32LE(this.nonce);
+  return bw;
+};
+
+/**
+ * Returns the target difficulty for this block
+ * @param {Number} bits
+ * @returns {BN} An instance of BN with the decoded difficulty bits
+ */
+BlockHeader.prototype.getTargetDifficulty = function getTargetDifficulty(bits) {
+  bits = bits || this.bits;
+
+  var target = new BN(bits & 0xffffff);
+  var mov = 8 * ((bits >>> 24) - 3);
+  while (mov-- > 0) {
+    target = target.mul(new BN(2));
+  }
+  return target;
+};
+
+/**
+ * @link https://en.bitcoin.it/wiki/Difficulty
+ * @return {Number}
+ */
+BlockHeader.prototype.getDifficulty = function getDifficulty() {
+  var difficulty1TargetBN = this.getTargetDifficulty(GENESIS_BITS).mul(new BN(Math.pow(10, 8)));
+  var currentTargetBN = this.getTargetDifficulty();
+
+  var difficultyString = difficulty1TargetBN.div(currentTargetBN).toString(10);
+  var decimalPos = difficultyString.length - 8;
+  difficultyString = difficultyString.slice(0, decimalPos) + '.' + difficultyString.slice(decimalPos);
+
+  return parseFloat(difficultyString);
+};
+
+/**
+ * @returns {Buffer} - The little endian hash buffer of the header
+ */
+BlockHeader.prototype._getHash = function hash() {
+  var buf = this.toBuffer();
+  return Hash.sha256sha256(buf);
+};
+
+var idProperty = {
+  configurable: false,
+  enumerable: true,
+  /**
+   * @returns {string} - The big endian hash buffer of the header
+   */
+  get: function() {
+    if (!this._id) {
+      this._id = BufferReader(this._getHash()).readReverse().toString('hex');
+    }
+    return this._id;
+  },
+  set: _.noop
+};
+Object.defineProperty(BlockHeader.prototype, 'id', idProperty);
+Object.defineProperty(BlockHeader.prototype, 'hash', idProperty);
+
+/**
+ * @returns {Boolean} - If timestamp is not too far in the future
+ */
+BlockHeader.prototype.validTimestamp = function validTimestamp() {
+  var currentTime = Math.round(new Date().getTime() / 1000);
+  if (this.time > currentTime + BlockHeader.Constants.MAX_TIME_OFFSET) {
+    return false;
+  }
+  return true;
+};
+
+/**
+ * @returns {Boolean} - If the proof-of-work hash satisfies the target difficulty
+ */
+BlockHeader.prototype.validProofOfWork = function validProofOfWork() {
+  var pow = new BN(this.id, 'hex');
+  var target = this.getTargetDifficulty();
+
+  if (pow.cmp(target) > 0) {
+    return false;
+  }
+  return true;
+};
+
+/**
+ * @returns {string} - A string formatted for the console
+ */
+BlockHeader.prototype.inspect = function inspect() {
+  return '<BlockHeader ' + this.id + '>';
+};
+
+BlockHeader.Constants = {
+  START_OF_HEADER: 8, // Start buffer position in raw block data
+  MAX_TIME_OFFSET: 2 * 60 * 60, // The max a timestamp can be in the future
+  LARGEST_HASH: new BN('10000000000000000000000000000000000000000000000000000000000000000', 'hex')
+};
+
+module.exports = BlockHeader;
+
+}).call(this,require("buffer").Buffer)
+},{"../crypto/bn":220,"../crypto/hash":222,"../encoding/bufferreader":228,"../encoding/bufferwriter":229,"../util/buffer":267,"../util/js":268,"../util/preconditions":269,"buffer":70,"lodash":148}],218:[function(require,module,exports){
+module.exports = require('./block');
+
+module.exports.BlockHeader = require('./blockheader');
+module.exports.MerkleBlock = require('./merkleblock');
+
+},{"./block":216,"./blockheader":217,"./merkleblock":219}],219:[function(require,module,exports){
+(function (Buffer){
+'use strict';
+
+var _ = require('lodash');
+var BlockHeader = require('./blockheader');
+var BufferUtil = require('../util/buffer');
+var BufferReader = require('../encoding/bufferreader');
+var BufferWriter = require('../encoding/bufferwriter');
+var Hash = require('../crypto/hash');
+var JSUtil = require('../util/js');
+var Transaction = require('../transaction');
+var $ = require('../util/preconditions');
+
+/**
+ * Instantiate a MerkleBlock from a Buffer, JSON object, or Object with
+ * the properties of the Block
+ *
+ * @param {*} - A Buffer, JSON string, or Object representing a MerkleBlock
+ * @returns {MerkleBlock}
+ * @constructor
+ */
+function MerkleBlock(arg) {
+  /* jshint maxstatements: 18 */
+
+  if (!(this instanceof MerkleBlock)) {
+    return new MerkleBlock(arg);
+  }
+
+  var info = {};
+  if (BufferUtil.isBuffer(arg)) {
+    info = MerkleBlock._fromBufferReader(BufferReader(arg));
+  } else if (_.isObject(arg)) {
+    var header;
+    if(arg.header instanceof BlockHeader) {
+      header = arg.header;
+    } else {
+      header = BlockHeader.fromObject(arg.header);
+    }
+    info = {
+      /**
+       * @name MerkleBlock#header
+       * @type {BlockHeader}
+       */
+      header: header,
+      /**
+       * @name MerkleBlock#numTransactions
+       * @type {Number}
+       */
+      numTransactions: arg.numTransactions,
+      /**
+       * @name MerkleBlock#hashes
+       * @type {String[]}
+       */
+      hashes: arg.hashes,
+      /**
+       * @name MerkleBlock#flags
+       * @type {Number[]}
+       */
+      flags: arg.flags
+    };
+  } else {
+    throw new TypeError('Unrecognized argument for MerkleBlock');
+  }
+  _.extend(this,info);
+  this._flagBitsUsed = 0;
+  this._hashesUsed = 0;
+  return this;
+}
+
+/**
+ * @param {Buffer} - MerkleBlock data in a Buffer object
+ * @returns {MerkleBlock} - A MerkleBlock object
+ */
+MerkleBlock.fromBuffer = function fromBuffer(buf) {
+  return MerkleBlock.fromBufferReader(BufferReader(buf));
+};
+
+/**
+ * @param {BufferReader} - MerkleBlock data in a BufferReader object
+ * @returns {MerkleBlock} - A MerkleBlock object
+ */
+MerkleBlock.fromBufferReader = function fromBufferReader(br) {
+  return new MerkleBlock(MerkleBlock._fromBufferReader(br));
+};
+
+/**
+ * @returns {Buffer} - A buffer of the block
+ */
+MerkleBlock.prototype.toBuffer = function toBuffer() {
+  return this.toBufferWriter().concat();
+};
+
+/**
+ * @param {BufferWriter} - An existing instance of BufferWriter
+ * @returns {BufferWriter} - An instance of BufferWriter representation of the MerkleBlock
+ */
+MerkleBlock.prototype.toBufferWriter = function toBufferWriter(bw) {
+  if (!bw) {
+    bw = new BufferWriter();
+  }
+  bw.write(this.header.toBuffer());
+  bw.writeUInt32LE(this.numTransactions);
+  bw.writeVarintNum(this.hashes.length);
+  for (var i = 0; i < this.hashes.length; i++) {
+    bw.write(new Buffer(this.hashes[i], 'hex'));
+  }
+  bw.writeVarintNum(this.flags.length);
+  for (i = 0; i < this.flags.length; i++) {
+    bw.writeUInt8(this.flags[i]);
+  }
+  return bw;
+};
+
+/**
+ * @returns {Object} - A plain object with the MerkleBlock properties
+ */
+MerkleBlock.prototype.toObject = MerkleBlock.prototype.toJSON = function toObject() {
+  return {
+    header: this.header.toObject(),
+    numTransactions: this.numTransactions,
+    hashes: this.hashes,
+    flags: this.flags
+  };
+};
+
+/**
+ * Verify that the MerkleBlock is valid
+ * @returns {Boolean} - True/False whether this MerkleBlock is Valid
+ */
+MerkleBlock.prototype.validMerkleTree = function validMerkleTree() {
+  $.checkState(_.isArray(this.flags), 'MerkleBlock flags is not an array');
+  $.checkState(_.isArray(this.hashes), 'MerkleBlock hashes is not an array');
+
+  // Can't have more hashes than numTransactions
+  if(this.hashes.length > this.numTransactions) {
+    return false;
+  }
+
+  // Can't have more flag bits than num hashes
+  if(this.flags.length * 8 < this.hashes.length) {
+    return false;
+  }
+
+  var height = this._calcTreeHeight();
+  var opts = { hashesUsed: 0, flagBitsUsed: 0 };
+  var root = this._traverseMerkleTree(height, 0, opts);
+  if(opts.hashesUsed !== this.hashes.length) {
+    return false;
+  }
+  return BufferUtil.equals(root, this.header.merkleRoot);
+};
+
+/**
+ * Traverse a the tree in this MerkleBlock, validating it along the way
+ * Modeled after Bitcoin Core merkleblock.cpp TraverseAndExtract()
+ * @param {Number} - depth - Current height
+ * @param {Number} - pos - Current position in the tree
+ * @param {Object} - opts - Object with values that need to be mutated throughout the traversal
+ * @param {Number} - opts.flagBitsUsed - Number of flag bits used, should start at 0
+ * @param {Number} - opts.hashesUsed - Number of hashes used, should start at 0
+ * @param {Array} - opts.txs - Will finish populated by transactions found during traversal
+ * @returns {Buffer|null} - Buffer containing the Merkle Hash for that height
+ * @private
+ */
+MerkleBlock.prototype._traverseMerkleTree = function traverseMerkleTree(depth, pos, opts) {
+  /* jshint maxcomplexity:  12*/
+  /* jshint maxstatements: 20 */
+
+  opts = opts || {};
+  opts.txs = opts.txs || [];
+  opts.flagBitsUsed = opts.flagBitsUsed || 0;
+  opts.hashesUsed = opts.hashesUsed || 0;
+
+  if(opts.flagBitsUsed > this.flags.length * 8) {
+    return null;
+  }
+  var isParentOfMatch = (this.flags[opts.flagBitsUsed >> 3] >>> (opts.flagBitsUsed++ & 7)) & 1;
+  if(depth === 0 || !isParentOfMatch) {
+    if(opts.hashesUsed >= this.hashes.length) {
+      return null;
+    }
+    var hash = this.hashes[opts.hashesUsed++];
+    if(depth === 0 && isParentOfMatch) {
+      opts.txs.push(hash);
+    }
+    return new Buffer(hash, 'hex');
+  } else {
+    var left = this._traverseMerkleTree(depth-1, pos*2, opts);
+    var right = left;
+    if(pos*2+1 < this._calcTreeWidth(depth-1)) {
+      right = this._traverseMerkleTree(depth-1, pos*2+1, opts);
+    }
+    return Hash.sha256sha256(new Buffer.concat([left, right]));
+  }
+};
+
+/** Calculates the width of a merkle tree at a given height.
+ *  Modeled after Bitcoin Core merkleblock.h CalcTreeWidth()
+ * @param {Number} - Height at which we want the tree width
+ * @returns {Number} - Width of the tree at a given height
+ * @private
+ */
+MerkleBlock.prototype._calcTreeWidth = function calcTreeWidth(height) {
+  return (this.numTransactions + (1 << height) - 1) >> height;
+};
+
+/** Calculates the height of the merkle tree in this MerkleBlock
+ * @param {Number} - Height at which we want the tree width
+ * @returns {Number} - Height of the merkle tree in this MerkleBlock
+ * @private
+ */
+MerkleBlock.prototype._calcTreeHeight = function calcTreeHeight() {
+  var height = 0;
+  while (this._calcTreeWidth(height) > 1) {
+    height++;
+  }
+  return height;
+};
+
+/**
+ * @param {Transaction|String} - Transaction or Transaction ID Hash
+ * @returns {Boolean} - return true/false if this MerkleBlock has the TX or not
+ * @private
+ */
+MerkleBlock.prototype.hasTransaction = function hasTransaction(tx) {
+  $.checkArgument(!_.isUndefined(tx), 'tx cannot be undefined');
+  $.checkArgument(tx instanceof Transaction || typeof tx === 'string',
+      'Invalid tx given, tx must be a "string" or "Transaction"');
+
+  var hash = tx;
+  if(tx instanceof Transaction) {
+    // We need to reverse the id hash for the lookup
+    hash = BufferUtil.reverse(new Buffer(tx.id, 'hex')).toString('hex');
+  }
+
+  var txs = [];
+  var height = this._calcTreeHeight();
+  this._traverseMerkleTree(height, 0, { txs: txs });
+  return txs.indexOf(hash) !== -1;
+};
+
+/**
+ * @param {Buffer} - MerkleBlock data
+ * @returns {Object} - An Object representing merkleblock data
+ * @private
+ */
+MerkleBlock._fromBufferReader = function _fromBufferReader(br) {
+  $.checkState(!br.finished(), 'No merkleblock data received');
+  var info = {};
+  info.header = BlockHeader.fromBufferReader(br);
+  info.numTransactions = br.readUInt32LE();
+  var numHashes = br.readVarintNum();
+  info.hashes = [];
+  for (var i = 0; i < numHashes; i++) {
+    info.hashes.push(br.read(32).toString('hex'));
+  }
+  var numFlags = br.readVarintNum();
+  info.flags = [];
+  for (i = 0; i < numFlags; i++) {
+    info.flags.push(br.readUInt8());
+  }
+  return info;
+};
+
+/**
+ * @param {Object} - A plain JavaScript object
+ * @returns {Block} - An instance of block
+ */
+MerkleBlock.fromObject = function fromObject(obj) {
+  return new MerkleBlock(obj);
+};
+
+module.exports = MerkleBlock;
+
+}).call(this,require("buffer").Buffer)
+},{"../crypto/hash":222,"../encoding/bufferreader":228,"../encoding/bufferwriter":229,"../transaction":253,"../util/buffer":267,"../util/js":268,"../util/preconditions":269,"./blockheader":217,"buffer":70,"lodash":148}],220:[function(require,module,exports){
+(function (Buffer){
+'use strict';
+
+var BN = require('bn.js');
+var $ = require('../util/preconditions');
+var _ = require('lodash');
+
+var reversebuf = function(buf) {
+  var buf2 = new Buffer(buf.length);
+  for (var i = 0; i < buf.length; i++) {
+    buf2[i] = buf[buf.length - 1 - i];
+  }
+  return buf2;
+};
+
+BN.Zero = new BN(0);
+BN.One = new BN(1);
+BN.Minus1 = new BN(-1);
+
+BN.fromNumber = function(n) {
+  $.checkArgument(_.isNumber(n));
+  return new BN(n);
+};
+
+BN.fromString = function(str, base) {
+  $.checkArgument(_.isString(str));
+  return new BN(str, base);
+};
+
+BN.fromBuffer = function(buf, opts) {
+  if (typeof opts !== 'undefined' && opts.endian === 'little') {
+    buf = reversebuf(buf);
+  }
+  var hex = buf.toString('hex');
+  var bn = new BN(hex, 16);
+  return bn;
+};
+
+/**
+ * Instantiate a BigNumber from a "signed magnitude buffer"
+ * (a buffer where the most significant bit represents the sign (0 = positive, -1 = negative))
+ */
+BN.fromSM = function(buf, opts) {
+  var ret;
+  if (buf.length === 0) {
+    return BN.fromBuffer(new Buffer([0]));
+  }
+
+  var endian = 'big';
+  if (opts) {
+    endian = opts.endian;
+  }
+  if (endian === 'little') {
+    buf = reversebuf(buf);
+  }
+
+  if (buf[0] & 0x80) {
+    buf[0] = buf[0] & 0x7f;
+    ret = BN.fromBuffer(buf);
+    ret.neg().copy(ret);
+  } else {
+    ret = BN.fromBuffer(buf);
+  }
+  return ret;
+};
+
+
+BN.prototype.toNumber = function() {
+  return parseInt(this.toString(10), 10);
+};
+
+BN.prototype.toBuffer = function(opts) {
+  var buf, hex;
+  if (opts && opts.size) {
+    hex = this.toString(16, 2);
+    var natlen = hex.length / 2;
+    buf = new Buffer(hex, 'hex');
+
+    if (natlen === opts.size) {
+      buf = buf;
+    } else if (natlen > opts.size) {
+      buf = BN.trim(buf, natlen);
+    } else if (natlen < opts.size) {
+      buf = BN.pad(buf, natlen, opts.size);
+    }
+  } else {
+    hex = this.toString(16, 2);
+    buf = new Buffer(hex, 'hex');
+  }
+
+  if (typeof opts !== 'undefined' && opts.endian === 'little') {
+    buf = reversebuf(buf);
+  }
+
+  return buf;
+};
+
+BN.prototype.toSMBigEndian = function() {
+  var buf;
+  if (this.cmp(BN.Zero) === -1) {
+    buf = this.neg().toBuffer();
+    if (buf[0] & 0x80) {
+      buf = Buffer.concat([new Buffer([0x80]), buf]);
+    } else {
+      buf[0] = buf[0] | 0x80;
+    }
+  } else {
+    buf = this.toBuffer();
+    if (buf[0] & 0x80) {
+      buf = Buffer.concat([new Buffer([0x00]), buf]);
+    }
+  }
+
+  if (buf.length === 1 & buf[0] === 0) {
+    buf = new Buffer([]);
+  }
+  return buf;
+};
+
+BN.prototype.toSM = function(opts) {
+  var endian = opts ? opts.endian : 'big';
+  var buf = this.toSMBigEndian();
+
+  if (endian === 'little') {
+    buf = reversebuf(buf);
+  }
+  return buf;
+};
+
+/**
+ * Create a BN from a "ScriptNum":
+ * This is analogous to the constructor for CScriptNum in bitcoind. Many ops in
+ * bitcoind's script interpreter use CScriptNum, which is not really a proper
+ * bignum. Instead, an error is thrown if trying to input a number bigger than
+ * 4 bytes. We copy that behavior here. A third argument, `size`, is provided to
+ * extend the hard limit of 4 bytes, as some usages require more than 4 bytes.
+ */
+BN.fromScriptNumBuffer = function(buf, fRequireMinimal, size) {
+  var nMaxNumSize = size || 4;
+  $.checkArgument(buf.length <= nMaxNumSize, new Error('script number overflow'));
+  if (fRequireMinimal && buf.length > 0) {
+    // Check that the number is encoded with the minimum possible
+    // number of bytes.
+    //
+    // If the most-significant-byte - excluding the sign bit - is zero
+    // then we're not minimal. Note how this test also rejects the
+    // negative-zero encoding, 0x80.
+    if ((buf[buf.length - 1] & 0x7f) === 0) {
+      // One exception: if there's more than one byte and the most
+      // significant bit of the second-most-significant-byte is set
+      // it would conflict with the sign bit. An example of this case
+      // is +-255, which encode to 0xff00 and 0xff80 respectively.
+      // (big-endian).
+      if (buf.length <= 1 || (buf[buf.length - 2] & 0x80) === 0) {
+        throw new Error('non-minimally encoded script number');
+      }
+    }
+  }
+  return BN.fromSM(buf, {
+    endian: 'little'
+  });
+};
+
+/**
+ * The corollary to the above, with the notable exception that we do not throw
+ * an error if the output is larger than four bytes. (Which can happen if
+ * performing a numerical operation that results in an overflow to more than 4
+ * bytes).
+ */
+BN.prototype.toScriptNumBuffer = function() {
+  return this.toSM({
+    endian: 'little'
+  });
+};
+
+BN.prototype.gt = function(b) {
+  return this.cmp(b) > 0;
+};
+
+BN.prototype.gte = function(b) {
+  return this.cmp(b) >= 0;
+};
+
+BN.prototype.lt = function(b) {
+  return this.cmp(b) < 0;
+};
+
+BN.trim = function(buf, natlen) {
+  return buf.slice(natlen - buf.length, buf.length);
+};
+
+BN.pad = function(buf, natlen, size) {
+  var rbuf = new Buffer(size);
+  for (var i = 0; i < buf.length; i++) {
+    rbuf[rbuf.length - 1 - i] = buf[buf.length - 1 - i];
+  }
+  for (i = 0; i < size - natlen; i++) {
+    rbuf[i] = 0;
+  }
+  return rbuf;
+};
+
+module.exports = BN;
+
+}).call(this,require("buffer").Buffer)
+},{"../util/preconditions":269,"bn.js":19,"buffer":70,"lodash":148}],221:[function(require,module,exports){
+(function (Buffer){
+'use strict';
+
+var BN = require('./bn');
+var Point = require('./point');
+var Signature = require('./signature');
+var PublicKey = require('../publickey');
+var Random = require('./random');
+var Hash = require('./hash');
+var BufferUtil = require('../util/buffer');
+var _ = require('lodash');
+var $ = require('../util/preconditions');
+
+var ECDSA = function ECDSA(obj) {
+  if (!(this instanceof ECDSA)) {
+    return new ECDSA(obj);
+  }
+  if (obj) {
+    this.set(obj);
+  }
+};
+
+/* jshint maxcomplexity: 9 */
+ECDSA.prototype.set = function(obj) {
+  this.hashbuf = obj.hashbuf || this.hashbuf;
+  this.endian = obj.endian || this.endian; //the endianness of hashbuf
+  this.privkey = obj.privkey || this.privkey;
+  this.pubkey = obj.pubkey || (this.privkey ? this.privkey.publicKey : this.pubkey);
+  this.sig = obj.sig || this.sig;
+  this.k = obj.k || this.k;
+  this.verified = obj.verified || this.verified;
+  return this;
+};
+
+ECDSA.prototype.privkey2pubkey = function() {
+  this.pubkey = this.privkey.toPublicKey();
+};
+
+ECDSA.prototype.calci = function() {
+  for (var i = 0; i < 4; i++) {
+    this.sig.i = i;
+    var Qprime;
+    try {
+      Qprime = this.toPublicKey();
+    } catch (e) {
+      console.error(e);
+      continue;
+    }
+
+    if (Qprime.point.eq(this.pubkey.point)) {
+      this.sig.compressed = this.pubkey.compressed;
+      return this;
+    }
+  }
+
+  this.sig.i = undefined;
+  throw new Error('Unable to find valid recovery factor');
+};
+
+ECDSA.fromString = function(str) {
+  var obj = JSON.parse(str);
+  return new ECDSA(obj);
+};
+
+ECDSA.prototype.randomK = function() {
+  var N = Point.getN();
+  var k;
+  do {
+    k = BN.fromBuffer(Random.getRandomBuffer(32));
+  } while (!(k.lt(N) && k.gt(BN.Zero)));
+  this.k = k;
+  return this;
+};
+
+
+// https://tools.ietf.org/html/rfc6979#section-3.2
+ECDSA.prototype.deterministicK = function(badrs) {
+  /* jshint maxstatements: 25 */
+  // if r or s were invalid when this function was used in signing,
+  // we do not want to actually compute r, s here for efficiency, so,
+  // we can increment badrs. explained at end of RFC 6979 section 3.2
+  if (_.isUndefined(badrs)) {
+    badrs = 0;
+  }
+  var v = new Buffer(32);
+  v.fill(0x01);
+  var k = new Buffer(32);
+  k.fill(0x00);
+  var x = this.privkey.bn.toBuffer({
+    size: 32
+  });
+  var hashbuf = this.endian === 'little' ? BufferUtil.reverse(this.hashbuf) : this.hashbuf
+  k = Hash.sha256hmac(Buffer.concat([v, new Buffer([0x00]), x, hashbuf]), k);
+  v = Hash.sha256hmac(v, k);
+  k = Hash.sha256hmac(Buffer.concat([v, new Buffer([0x01]), x, hashbuf]), k);
+  v = Hash.sha256hmac(v, k);
+  v = Hash.sha256hmac(v, k);
+  var T = BN.fromBuffer(v);
+  var N = Point.getN();
+
+  // also explained in 3.2, we must ensure T is in the proper range (0, N)
+  for (var i = 0; i < badrs || !(T.lt(N) && T.gt(BN.Zero)); i++) {
+    k = Hash.sha256hmac(Buffer.concat([v, new Buffer([0x00])]), k);
+    v = Hash.sha256hmac(v, k);
+    v = Hash.sha256hmac(v, k);
+    T = BN.fromBuffer(v);
+  }
+
+  this.k = T;
+  return this;
+};
+
+// Information about public key recovery:
+// https://bitcointalk.org/index.php?topic=6430.0
+// http://stackoverflow.com/questions/19665491/how-do-i-get-an-ecdsa-public-key-from-just-a-bitcoin-signature-sec1-4-1-6-k
+ECDSA.prototype.toPublicKey = function() {
+  /* jshint maxstatements: 25 */
+  var i = this.sig.i;
+  $.checkArgument(i === 0 || i === 1 || i === 2 || i === 3, new Error('i must be equal to 0, 1, 2, or 3'));
+
+  var e = BN.fromBuffer(this.hashbuf);
+  var r = this.sig.r;
+  var s = this.sig.s;
+
+  // A set LSB signifies that the y-coordinate is odd
+  var isYOdd = i & 1;
+
+  // The more significant bit specifies whether we should use the
+  // first or second candidate key.
+  var isSecondKey = i >> 1;
+
+  var n = Point.getN();
+  var G = Point.getG();
+
+  // 1.1 Let x = r + jn
+  var x = isSecondKey ? r.add(n) : r;
+  var R = Point.fromX(isYOdd, x);
+
+  // 1.4 Check that nR is at infinity
+  var nR = R.mul(n);
+
+  if (!nR.isInfinity()) {
+    throw new Error('nR is not a valid curve point');
+  }
+
+  // Compute -e from e
+  var eNeg = e.neg().mod(n);
+
+  // 1.6.1 Compute Q = r^-1 (sR - eG)
+  // Q = r^-1 (sR + -eG)
+  var rInv = r.invm(n);
+
+  //var Q = R.multiplyTwo(s, G, eNeg).mul(rInv);
+  var Q = R.mul(s).add(G.mul(eNeg)).mul(rInv);
+
+  var pubkey = PublicKey.fromPoint(Q, this.sig.compressed);
+
+  return pubkey;
+};
+
+ECDSA.prototype.sigError = function() {
+  /* jshint maxstatements: 25 */
+  if (!BufferUtil.isBuffer(this.hashbuf) || this.hashbuf.length !== 32) {
+    return 'hashbuf must be a 32 byte buffer';
+  }
+
+  var r = this.sig.r;
+  var s = this.sig.s;
+  if (!(r.gt(BN.Zero) && r.lt(Point.getN())) || !(s.gt(BN.Zero) && s.lt(Point.getN()))) {
+    return 'r and s not in range';
+  }
+
+  var e = BN.fromBuffer(this.hashbuf, this.endian ? {
+    endian: this.endian
+  } : undefined);
+  var n = Point.getN();
+  var sinv = s.invm(n);
+  var u1 = sinv.mul(e).mod(n);
+  var u2 = sinv.mul(r).mod(n);
+
+  var p = Point.getG().mulAdd(u1, this.pubkey.point, u2);
+  if (p.isInfinity()) {
+    return 'p is infinity';
+  }
+
+  if (p.getX().mod(n).cmp(r) !== 0) {
+    return 'Invalid signature';
+  } else {
+    return false;
+  }
+};
+
+ECDSA.toLowS = function(s) {
+  //enforce low s
+  //see BIP 62, "low S values in signatures"
+  if (s.gt(BN.fromBuffer(new Buffer('7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0', 'hex')))) {
+    s = Point.getN().sub(s);
+  }
+  return s;
+};
+
+ECDSA.prototype._findSignature = function(d, e) {
+  var N = Point.getN();
+  var G = Point.getG();
+  // try different values of k until r, s are valid
+  var badrs = 0;
+  var k, Q, r, s;
+  do {
+    if (!this.k || badrs > 0) {
+      this.deterministicK(badrs);
+    }
+    badrs++;
+    k = this.k;
+    Q = G.mul(k);
+    r = Q.x.mod(N);
+    s = k.invm(N).mul(e.add(d.mul(r))).mod(N);
+  } while (r.cmp(BN.Zero) <= 0 || s.cmp(BN.Zero) <= 0);
+
+  s = ECDSA.toLowS(s);
+  return {
+    s: s,
+    r: r
+  };
+
+};
+
+ECDSA.prototype.sign = function() {
+  var hashbuf = this.hashbuf;
+  var privkey = this.privkey;
+  var d = privkey.bn;
+
+  $.checkState(hashbuf && privkey && d, new Error('invalid parameters'));
+  $.checkState(BufferUtil.isBuffer(hashbuf) && hashbuf.length === 32, new Error('hashbuf must be a 32 byte buffer'));
+
+  var e = BN.fromBuffer(hashbuf, this.endian ? {
+    endian: this.endian
+  } : undefined);
+
+  var obj = this._findSignature(d, e);
+  obj.compressed = this.pubkey.compressed;
+
+  this.sig = new Signature(obj);
+  return this;
+};
+
+ECDSA.prototype.signRandomK = function() {
+  this.randomK();
+  return this.sign();
+};
+
+ECDSA.prototype.toString = function() {
+  var obj = {};
+  if (this.hashbuf) {
+    obj.hashbuf = this.hashbuf.toString('hex');
+  }
+  if (this.privkey) {
+    obj.privkey = this.privkey.toString();
+  }
+  if (this.pubkey) {
+    obj.pubkey = this.pubkey.toString();
+  }
+  if (this.sig) {
+    obj.sig = this.sig.toString();
+  }
+  if (this.k) {
+    obj.k = this.k.toString();
+  }
+  return JSON.stringify(obj);
+};
+
+ECDSA.prototype.verify = function() {
+  if (!this.sigError()) {
+    this.verified = true;
+  } else {
+    this.verified = false;
+  }
+  return this;
+};
+
+ECDSA.sign = function(hashbuf, privkey, endian) {
+  return ECDSA().set({
+    hashbuf: hashbuf,
+    endian: endian,
+    privkey: privkey
+  }).sign().sig;
+};
+
+ECDSA.verify = function(hashbuf, sig, pubkey, endian) {
+  return ECDSA().set({
+    hashbuf: hashbuf,
+    endian: endian,
+    sig: sig,
+    pubkey: pubkey
+  }).verify().verified;
+};
+
+module.exports = ECDSA;
+
+}).call(this,require("buffer").Buffer)
+},{"../publickey":249,"../util/buffer":267,"../util/preconditions":269,"./bn":220,"./hash":222,"./point":223,"./random":224,"./signature":225,"buffer":70,"lodash":148}],222:[function(require,module,exports){
+(function (Buffer){
+'use strict';
+
+var crypto = require('crypto');
+var BufferUtil = require('../util/buffer');
+var $ = require('../util/preconditions');
+
+var Hash = module.exports;
+
+Hash.sha1 = function(buf) {
+  $.checkArgument(BufferUtil.isBuffer(buf));
+  return crypto.createHash('sha1').update(buf).digest();
+};
+
+Hash.sha1.blocksize = 512;
+
+Hash.sha256 = function(buf) {
+  $.checkArgument(BufferUtil.isBuffer(buf));
+  return crypto.createHash('sha256').update(buf).digest();
+};
+
+Hash.sha256.blocksize = 512;
+
+Hash.sha256sha256 = function(buf) {
+  $.checkArgument(BufferUtil.isBuffer(buf));
+  return Hash.sha256(Hash.sha256(buf));
+};
+
+Hash.ripemd160 = function(buf) {
+  $.checkArgument(BufferUtil.isBuffer(buf));
+  return crypto.createHash('ripemd160').update(buf).digest();
+};
+
+Hash.sha256ripemd160 = function(buf) {
+  $.checkArgument(BufferUtil.isBuffer(buf));
+  return Hash.ripemd160(Hash.sha256(buf));
+};
+
+Hash.sha512 = function(buf) {
+  $.checkArgument(BufferUtil.isBuffer(buf));
+  return crypto.createHash('sha512').update(buf).digest();
+};
+
+Hash.sha512.blocksize = 1024;
+
+Hash.hmac = function(hashf, data, key) {
+  //http://en.wikipedia.org/wiki/Hash-based_message_authentication_code
+  //http://tools.ietf.org/html/rfc4868#section-2
+  $.checkArgument(BufferUtil.isBuffer(data));
+  $.checkArgument(BufferUtil.isBuffer(key));
+  $.checkArgument(hashf.blocksize);
+
+  var blocksize = hashf.blocksize / 8;
+
+  if (key.length > blocksize) {
+    key = hashf(key);
+  } else if (key < blocksize) {
+    var fill = new Buffer(blocksize);
+    fill.fill(0);
+    key.copy(fill);
+    key = fill;
+  }
+
+  var o_key = new Buffer(blocksize);
+  o_key.fill(0x5c);
+
+  var i_key = new Buffer(blocksize);
+  i_key.fill(0x36);
+
+  var o_key_pad = new Buffer(blocksize);
+  var i_key_pad = new Buffer(blocksize);
+  for (var i = 0; i < blocksize; i++) {
+    o_key_pad[i] = o_key[i] ^ key[i];
+    i_key_pad[i] = i_key[i] ^ key[i];
+  }
+
+  return hashf(Buffer.concat([o_key_pad, hashf(Buffer.concat([i_key_pad, data]))]));
+};
+
+Hash.sha256hmac = function(data, key) {
+  return Hash.hmac(Hash.sha256, data, key);
+};
+
+Hash.sha512hmac = function(data, key) {
+  return Hash.hmac(Hash.sha512, data, key);
+};
+
+}).call(this,require("buffer").Buffer)
+},{"../util/buffer":267,"../util/preconditions":269,"buffer":70,"crypto":100}],223:[function(require,module,exports){
+(function (Buffer){
+'use strict';
+
+var BN = require('./bn');
+var BufferUtil = require('../util/buffer');
+var ec = require('elliptic').curves.secp256k1;
+var ecPoint = ec.curve.point.bind(ec.curve);
+var ecPointFromX = ec.curve.pointFromX.bind(ec.curve);
+
+/**
+ *
+ * Instantiate a valid secp256k1 Point from the X and Y coordinates.
+ *
+ * @param {BN|String} x - The X coordinate
+ * @param {BN|String} y - The Y coordinate
+ * @link https://github.com/indutny/elliptic
+ * @augments elliptic.curve.point
+ * @throws {Error} A validation error if exists
+ * @returns {Point} An instance of Point
+ * @constructor
+ */
+var Point = function Point(x, y, isRed) {
+  var point = ecPoint(x, y, isRed);
+  point.validate();
+  return point;
+};
+
+Point.prototype = Object.getPrototypeOf(ec.curve.point());
+
+/**
+ *
+ * Instantiate a valid secp256k1 Point from only the X coordinate
+ *
+ * @param {boolean} odd - If the Y coordinate is odd
+ * @param {BN|String} x - The X coordinate
+ * @throws {Error} A validation error if exists
+ * @returns {Point} An instance of Point
+ */
+Point.fromX = function fromX(odd, x){
+  var point = ecPointFromX(odd, x);
+  point.validate();
+  return point;
+};
+
+/**
+ *
+ * Will return a secp256k1 ECDSA base point.
+ *
+ * @link https://en.bitcoin.it/wiki/Secp256k1
+ * @returns {Point} An instance of the base point.
+ */
+Point.getG = function getG() {
+  return ec.curve.g;
+};
+
+/**
+ *
+ * Will return the max of range of valid private keys as governed by the secp256k1 ECDSA standard.
+ *
+ * @link https://en.bitcoin.it/wiki/Private_key#Range_of_valid_ECDSA_private_keys
+ * @returns {BN} A BN instance of the number of points on the curve
+ */
+Point.getN = function getN() {
+  return new BN(ec.curve.n.toArray());
+};
+
+Point.prototype._getX = Point.prototype.getX;
+
+/**
+ *
+ * Will return the X coordinate of the Point
+ *
+ * @returns {BN} A BN instance of the X coordinate
+ */
+Point.prototype.getX = function getX() {
+  return new BN(this._getX().toArray());
+};
+
+Point.prototype._getY = Point.prototype.getY;
+
+/**
+ *
+ * Will return the Y coordinate of the Point
+ *
+ * @returns {BN} A BN instance of the Y coordinate
+ */
+Point.prototype.getY = function getY() {
+  return new BN(this._getY().toArray());
+};
+
+/**
+ *
+ * Will determine if the point is valid
+ *
+ * @link https://www.iacr.org/archive/pkc2003/25670211/25670211.pdf
+ * @param {Point} An instance of Point
+ * @throws {Error} A validation error if exists
+ * @returns {Point} An instance of the same Point
+ */
+Point.prototype.validate = function validate() {
+
+  if (this.isInfinity()){
+    throw new Error('Point cannot be equal to Infinity');
+  }
+
+  if (this.getX().cmp(BN.Zero) === 0 || this.getY().cmp(BN.Zero) === 0){
+    throw new Error('Invalid x,y value for curve, cannot equal 0.');
+  }
+
+  var p2 = ecPointFromX(this.getY().isOdd(), this.getX());
+
+  if (p2.y.cmp(this.y) !== 0) {
+    throw new Error('Invalid y value for curve.');
+  }
+
+  var xValidRange = (this.getX().gt(BN.Minus1) && this.getX().lt(Point.getN()));
+  var yValidRange = (this.getY().gt(BN.Minus1) && this.getY().lt(Point.getN()));
+
+  if ( !xValidRange || !yValidRange ) {
+    throw new Error('Point does not lie on the curve');
+  }
+
+  //todo: needs test case
+  if (!(this.mul(Point.getN()).isInfinity())) {
+    throw new Error('Point times N must be infinity');
+  }
+
+  return this;
+
+};
+
+Point.pointToCompressed = function pointToCompressed(point) {
+  var xbuf = point.getX().toBuffer({size: 32});
+  var ybuf = point.getY().toBuffer({size: 32});
+
+  var prefix;
+  var odd = ybuf[ybuf.length - 1] % 2;
+  if (odd) {
+    prefix = new Buffer([0x03]);
+  } else {
+    prefix = new Buffer([0x02]);
+  }
+  return BufferUtil.concat([prefix, xbuf]);
+};
+
+module.exports = Point;
+
+}).call(this,require("buffer").Buffer)
+},{"../util/buffer":267,"./bn":220,"buffer":70,"elliptic":112}],224:[function(require,module,exports){
+(function (process,Buffer){
+'use strict';
+
+function Random() {
+}
+
+/* secure random bytes that sometimes throws an error due to lack of entropy */
+Random.getRandomBuffer = function(size) {
+  if (process.browser)
+    return Random.getRandomBufferBrowser(size);
+  else
+    return Random.getRandomBufferNode(size);
+};
+
+Random.getRandomBufferNode = function(size) {
+  var crypto = require('crypto');
+  return crypto.randomBytes(size);
+};
+
+Random.getRandomBufferBrowser = function(size) {
+  if (!window.crypto && !window.msCrypto)
+    throw new Error('window.crypto not available');
+
+  if (window.crypto && window.crypto.getRandomValues)
+    var crypto = window.crypto;
+  else if (window.msCrypto && window.msCrypto.getRandomValues) //internet explorer
+    var crypto = window.msCrypto;
+  else
+    throw new Error('window.crypto.getRandomValues not available');
+
+  var bbuf = new Uint8Array(size);
+  crypto.getRandomValues(bbuf);
+  var buf = new Buffer(bbuf);
+
+  return buf;
+};
+
+/* insecure random bytes, but it never fails */
+Random.getPseudoRandomBuffer = function(size) {
+  var b32 = 0x100000000;
+  var b = new Buffer(size);
+  var r;
+
+  for (var i = 0; i <= size; i++) {
+    var j = Math.floor(i / 4);
+    var k = i - j * 4;
+    if (k === 0) {
+      r = Math.random() * b32;
+      b[i] = r & 0xff;
+    } else {
+      b[i] = (r = r >>> 8) & 0xff;
+    }
+  }
+
+  return b;
+};
+
+module.exports = Random;
+
+}).call(this,require('_process'),require("buffer").Buffer)
+},{"_process":166,"buffer":70,"crypto":100}],225:[function(require,module,exports){
+(function (Buffer){
+'use strict';
+
+var BN = require('./bn');
+var _ = require('lodash');
+var $ = require('../util/preconditions');
+var BufferUtil = require('../util/buffer');
+var JSUtil = require('../util/js');
+
+var Signature = function Signature(r, s) {
+  if (!(this instanceof Signature)) {
+    return new Signature(r, s);
+  }
+  if (r instanceof BN) {
+    this.set({
+      r: r,
+      s: s
+    });
+  } else if (r) {
+    var obj = r;
+    this.set(obj);
+  }
+};
+
+/* jshint maxcomplexity: 7 */
+Signature.prototype.set = function(obj) {
+  this.r = obj.r || this.r || undefined;
+  this.s = obj.s || this.s || undefined;
+  this.i = typeof obj.i !== 'undefined' ? obj.i : this.i; //public key recovery parameter in range [0, 3]
+  this.compressed = typeof obj.compressed !== 'undefined' ?
+    obj.compressed : this.compressed; //whether the recovered pubkey is compressed
+  this.nhashtype = obj.nhashtype || this.nhashtype || undefined;
+  return this;
+};
+
+Signature.fromCompact = function(buf) {
+  $.checkArgument(BufferUtil.isBuffer(buf), 'Argument is expected to be a Buffer');
+
+  var sig = new Signature();
+
+  var compressed = true;
+  var i = buf.slice(0, 1)[0] - 27 - 4;
+  if (i < 0) {
+    compressed = false;
+    i = i + 4;
+  }
+
+  var b2 = buf.slice(1, 33);
+  var b3 = buf.slice(33, 65);
+
+  $.checkArgument(i === 0 || i === 1 || i === 2 || i === 3, new Error('i must be 0, 1, 2, or 3'));
+  $.checkArgument(b2.length === 32, new Error('r must be 32 bytes'));
+  $.checkArgument(b3.length === 32, new Error('s must be 32 bytes'));
+
+  sig.compressed = compressed;
+  sig.i = i;
+  sig.r = BN.fromBuffer(b2);
+  sig.s = BN.fromBuffer(b3);
+
+  return sig;
+};
+
+Signature.fromDER = Signature.fromBuffer = function(buf, strict) {
+  var obj = Signature.parseDER(buf, strict);
+  var sig = new Signature();
+
+  sig.r = obj.r;
+  sig.s = obj.s;
+
+  return sig;
+};
+
+// The format used in a tx
+Signature.fromTxFormat = function(buf) {
+  var nhashtype = buf.readUInt8(buf.length - 1);
+  var derbuf = buf.slice(0, buf.length - 1);
+  var sig = new Signature.fromDER(derbuf, false);
+  sig.nhashtype = nhashtype;
+  return sig;
+};
+
+Signature.fromString = function(str) {
+  var buf = new Buffer(str, 'hex');
+  return Signature.fromDER(buf);
+};
+
+
+/**
+ * In order to mimic the non-strict DER encoding of OpenSSL, set strict = false.
+ */
+Signature.parseDER = function(buf, strict) {
+  $.checkArgument(BufferUtil.isBuffer(buf), new Error('DER formatted signature should be a buffer'));
+  if (_.isUndefined(strict)) {
+    strict = true;
+  }
+
+  var header = buf[0];
+  $.checkArgument(header === 0x30, new Error('Header byte should be 0x30'));
+
+  var length = buf[1];
+  var buflength = buf.slice(2).length;
+  $.checkArgument(!strict || length === buflength, new Error('Length byte should length of what follows'));
+
+  length = length < buflength ? length : buflength;
+
+  var rheader = buf[2 + 0];
+  $.checkArgument(rheader === 0x02, new Error('Integer byte for r should be 0x02'));
+
+  var rlength = buf[2 + 1];
+  var rbuf = buf.slice(2 + 2, 2 + 2 + rlength);
+  var r = BN.fromBuffer(rbuf);
+  var rneg = buf[2 + 1 + 1] === 0x00 ? true : false;
+  $.checkArgument(rlength === rbuf.length, new Error('Length of r incorrect'));
+
+  var sheader = buf[2 + 2 + rlength + 0];
+  $.checkArgument(sheader === 0x02, new Error('Integer byte for s should be 0x02'));
+
+  var slength = buf[2 + 2 + rlength + 1];
+  var sbuf = buf.slice(2 + 2 + rlength + 2, 2 + 2 + rlength + 2 + slength);
+  var s = BN.fromBuffer(sbuf);
+  var sneg = buf[2 + 2 + rlength + 2 + 2] === 0x00 ? true : false;
+  $.checkArgument(slength === sbuf.length, new Error('Length of s incorrect'));
+
+  var sumlength = 2 + 2 + rlength + 2 + slength;
+  $.checkArgument(length === sumlength - 2, new Error('Length of signature incorrect'));
+
+  var obj = {
+    header: header,
+    length: length,
+    rheader: rheader,
+    rlength: rlength,
+    rneg: rneg,
+    rbuf: rbuf,
+    r: r,
+    sheader: sheader,
+    slength: slength,
+    sneg: sneg,
+    sbuf: sbuf,
+    s: s
+  };
+
+  return obj;
+};
+
+
+Signature.prototype.toCompact = function(i, compressed) {
+  i = typeof i === 'number' ? i : this.i;
+  compressed = typeof compressed === 'boolean' ? compressed : this.compressed;
+
+  if (!(i === 0 || i === 1 || i === 2 || i === 3)) {
+    throw new Error('i must be equal to 0, 1, 2, or 3');
+  }
+
+  var val = i + 27 + 4;
+  if (compressed === false) {
+    val = val - 4;
+  }
+  var b1 = new Buffer([val]);
+  var b2 = this.r.toBuffer({
+    size: 32
+  });
+  var b3 = this.s.toBuffer({
+    size: 32
+  });
+  return Buffer.concat([b1, b2, b3]);
+};
+
+Signature.prototype.toBuffer = Signature.prototype.toDER = function() {
+  var rnbuf = this.r.toBuffer();
+  var snbuf = this.s.toBuffer();
+
+  var rneg = rnbuf[0] & 0x80 ? true : false;
+  var sneg = snbuf[0] & 0x80 ? true : false;
+
+  var rbuf = rneg ? Buffer.concat([new Buffer([0x00]), rnbuf]) : rnbuf;
+  var sbuf = sneg ? Buffer.concat([new Buffer([0x00]), snbuf]) : snbuf;
+
+  var rlength = rbuf.length;
+  var slength = sbuf.length;
+  var length = 2 + rlength + 2 + slength;
+  var rheader = 0x02;
+  var sheader = 0x02;
+  var header = 0x30;
+
+  var der = Buffer.concat([new Buffer([header, length, rheader, rlength]), rbuf, new Buffer([sheader, slength]), sbuf]);
+  return der;
+};
+
+Signature.prototype.toString = function() {
+  var buf = this.toDER();
+  return buf.toString('hex');
+};
+
+/**
+ * This function is translated from bitcoind's IsDERSignature and is used in
+ * the script interpreter.  This "DER" format actually includes an extra byte,
+ * the nhashtype, at the end. It is really the tx format, not DER format.
+ *
+ * A canonical signature exists of: [30] [total len] [02] [len R] [R] [02] [len S] [S] [hashtype]
+ * Where R and S are not negative (their first byte has its highest bit not set), and not
+ * excessively padded (do not start with a 0 byte, unless an otherwise negative number follows,
+ * in which case a single 0 byte is necessary and even required).
+ *
+ * See https://bitcointalk.org/index.php?topic=8392.msg127623#msg127623
+ */
+Signature.isTxDER = function(buf) {
+  if (buf.length < 9) {
+    //  Non-canonical signature: too short
+    return false;
+  }
+  if (buf.length > 73) {
+    // Non-canonical signature: too long
+    return false;
+  }
+  if (buf[0] !== 0x30) {
+    //  Non-canonical signature: wrong type
+    return false;
+  }
+  if (buf[1] !== buf.length - 3) {
+    //  Non-canonical signature: wrong length marker
+    return false;
+  }
+  var nLenR = buf[3];
+  if (5 + nLenR >= buf.length) {
+    //  Non-canonical signature: S length misplaced
+    return false;
+  }
+  var nLenS = buf[5 + nLenR];
+  if ((nLenR + nLenS + 7) !== buf.length) {
+    //  Non-canonical signature: R+S length mismatch
+    return false;
+  }
+
+  var R = buf.slice(4);
+  if (buf[4 - 2] !== 0x02) {
+    //  Non-canonical signature: R value type mismatch
+    return false;
+  }
+  if (nLenR === 0) {
+    //  Non-canonical signature: R length is zero
+    return false;
+  }
+  if (R[0] & 0x80) {
+    //  Non-canonical signature: R value negative
+    return false;
+  }
+  if (nLenR > 1 && (R[0] === 0x00) && !(R[1] & 0x80)) {
+    //  Non-canonical signature: R value excessively padded
+    return false;
+  }
+
+  var S = buf.slice(6 + nLenR);
+  if (buf[6 + nLenR - 2] !== 0x02) {
+    //  Non-canonical signature: S value type mismatch
+    return false;
+  }
+  if (nLenS === 0) {
+    //  Non-canonical signature: S length is zero
+    return false;
+  }
+  if (S[0] & 0x80) {
+    //  Non-canonical signature: S value negative
+    return false;
+  }
+  if (nLenS > 1 && (S[0] === 0x00) && !(S[1] & 0x80)) {
+    //  Non-canonical signature: S value excessively padded
+    return false;
+  }
+  return true;
+};
+
+/**
+ * Compares to bitcoind's IsLowDERSignature
+ * See also ECDSA signature algorithm which enforces this.
+ * See also BIP 62, "low S values in signatures"
+ */
+Signature.prototype.hasLowS = function() {
+  if (this.s.lt(new BN(1)) ||
+    this.s.gt(new BN('7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0', 'hex'))) {
+    return false;
+  }
+  return true;
+};
+
+/**
+ * @returns true if the nhashtype is exactly equal to one of the standard options or combinations thereof.
+ * Translated from bitcoind's IsDefinedHashtypeSignature
+ */
+Signature.prototype.hasDefinedHashtype = function() {
+  if (!JSUtil.isNaturalNumber(this.nhashtype)) {
+    return false;
+  }
+  // accept with or without Signature.SIGHASH_ANYONECANPAY by ignoring the bit
+  var temp = this.nhashtype & ~Signature.SIGHASH_ANYONECANPAY;
+  if (temp < Signature.SIGHASH_ALL || temp > Signature.SIGHASH_SINGLE) {
+    return false;
+  }
+  return true;
+};
+
+Signature.prototype.toTxFormat = function() {
+  var derbuf = this.toDER();
+  var buf = new Buffer(1);
+  buf.writeUInt8(this.nhashtype, 0);
+  return Buffer.concat([derbuf, buf]);
+};
+
+Signature.SIGHASH_ALL = 0x01;
+Signature.SIGHASH_NONE = 0x02;
+Signature.SIGHASH_SINGLE = 0x03;
+Signature.SIGHASH_FORKID = 0x40;
+Signature.SIGHASH_ANYONECANPAY = 0x80;
+
+module.exports = Signature;
+
+}).call(this,require("buffer").Buffer)
+},{"../util/buffer":267,"../util/js":268,"../util/preconditions":269,"./bn":220,"buffer":70,"lodash":148}],226:[function(require,module,exports){
+(function (Buffer){
+'use strict';
+
+var _ = require('lodash');
+var bs58 = require('bs58');
+var buffer = require('buffer');
+
+var ALPHABET = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'.split('');
+
+var Base58 = function Base58(obj) {
+  /* jshint maxcomplexity: 8 */
+  if (!(this instanceof Base58)) {
+    return new Base58(obj);
+  }
+  if (Buffer.isBuffer(obj)) {
+    var buf = obj;
+    this.fromBuffer(buf);
+  } else if (typeof obj === 'string') {
+    var str = obj;
+    this.fromString(str);
+  } else if (obj) {
+    this.set(obj);
+  }
+};
+
+Base58.validCharacters = function validCharacters(chars) {
+  if (buffer.Buffer.isBuffer(chars)) {
+    chars = chars.toString();
+  }
+  return _.every(_.map(chars, function(char) { return _.includes(ALPHABET, char); }));
+};
+
+Base58.prototype.set = function(obj) {
+  this.buf = obj.buf || this.buf || undefined;
+  return this;
+};
+
+Base58.encode = function(buf) {
+  if (!buffer.Buffer.isBuffer(buf)) {
+    throw new Error('Input should be a buffer');
+  }
+  return bs58.encode(buf);
+};
+
+Base58.decode = function(str) {
+  if (typeof str !== 'string') {
+    throw new Error('Input should be a string');
+  }
+  return new Buffer(bs58.decode(str));
+};
+
+Base58.prototype.fromBuffer = function(buf) {
+  this.buf = buf;
+  return this;
+};
+
+Base58.prototype.fromString = function(str) {
+  var buf = Base58.decode(str);
+  this.buf = buf;
+  return this;
+};
+
+Base58.prototype.toBuffer = function() {
+  return this.buf;
+};
+
+Base58.prototype.toString = function() {
+  return Base58.encode(this.buf);
+};
+
+module.exports = Base58;
+
+}).call(this,require("buffer").Buffer)
+},{"bs58":67,"buffer":70,"lodash":148}],227:[function(require,module,exports){
+(function (Buffer){
+'use strict';
+
+var _ = require('lodash');
+var Base58 = require('./base58');
+var buffer = require('buffer');
+var sha256sha256 = require('../crypto/hash').sha256sha256;
+
+var Base58Check = function Base58Check(obj) {
+  if (!(this instanceof Base58Check))
+    return new Base58Check(obj);
+  if (Buffer.isBuffer(obj)) {
+    var buf = obj;
+    this.fromBuffer(buf);
+  } else if (typeof obj === 'string') {
+    var str = obj;
+    this.fromString(str);
+  } else if (obj) {
+    this.set(obj);
+  }
+};
+
+Base58Check.prototype.set = function(obj) {
+  this.buf = obj.buf || this.buf || undefined;
+  return this;
+};
+
+Base58Check.validChecksum = function validChecksum(data, checksum) {
+  if (_.isString(data)) {
+    data = new buffer.Buffer(Base58.decode(data));
+  }
+  if (_.isString(checksum)) {
+    checksum = new buffer.Buffer(Base58.decode(checksum));
+  }
+  if (!checksum) {
+    checksum = data.slice(-4);
+    data = data.slice(0, -4);
+  }
+  return Base58Check.checksum(data).toString('hex') === checksum.toString('hex');
+};
+
+Base58Check.decode = function(s) {
+  if (typeof s !== 'string')
+    throw new Error('Input must be a string');
+
+  var buf = new Buffer(Base58.decode(s));
+
+  if (buf.length < 4)
+    throw new Error("Input string too short");
+
+  var data = buf.slice(0, -4);
+  var csum = buf.slice(-4);
+
+  var hash = sha256sha256(data);
+  var hash4 = hash.slice(0, 4);
+
+  if (csum.toString('hex') !== hash4.toString('hex'))
+    throw new Error("Checksum mismatch");
+
+  return data;
+};
+
+Base58Check.checksum = function(buffer) {
+  return sha256sha256(buffer).slice(0, 4);
+};
+
+Base58Check.encode = function(buf) {
+  if (!Buffer.isBuffer(buf))
+    throw new Error('Input must be a buffer');
+  var checkedBuf = new Buffer(buf.length + 4);
+  var hash = Base58Check.checksum(buf);
+  buf.copy(checkedBuf);
+  hash.copy(checkedBuf, buf.length);
+  return Base58.encode(checkedBuf);
+};
+
+Base58Check.prototype.fromBuffer = function(buf) {
+  this.buf = buf;
+  return this;
+};
+
+Base58Check.prototype.fromString = function(str) {
+  var buf = Base58Check.decode(str);
+  this.buf = buf;
+  return this;
+};
+
+Base58Check.prototype.toBuffer = function() {
+  return this.buf;
+};
+
+Base58Check.prototype.toString = function() {
+  return Base58Check.encode(this.buf);
+};
+
+module.exports = Base58Check;
+
+}).call(this,require("buffer").Buffer)
+},{"../crypto/hash":222,"./base58":226,"buffer":70,"lodash":148}],228:[function(require,module,exports){
+(function (Buffer){
+'use strict';
+
+var _ = require('lodash');
+var $ = require('../util/preconditions');
+var BufferUtil = require('../util/buffer');
+var BN = require('../crypto/bn');
+
+var BufferReader = function BufferReader(buf) {
+  if (!(this instanceof BufferReader)) {
+    return new BufferReader(buf);
+  }
+  if (_.isUndefined(buf)) {
+    return;
+  }
+  if (Buffer.isBuffer(buf)) {
+    this.set({
+      buf: buf
+    });
+  } else if (_.isString(buf)) {
+    var b = new Buffer(buf, 'hex');
+    if (b.length * 2 != buf.length) 
+      throw new TypeError('Invalid hex string');
+
+    this.set({
+      buf: b,
+    });
+  } else if (_.isObject(buf)) {
+    var obj = buf;
+    this.set(obj);
+  } else {
+    throw new TypeError('Unrecognized argument for BufferReader');
+  }
+};
+
+BufferReader.prototype.set = function(obj) {
+  this.buf = obj.buf || this.buf || undefined;
+  this.pos = obj.pos || this.pos || 0;
+  return this;
+};
+
+BufferReader.prototype.eof = function() {
+  return this.pos >= this.buf.length;
+};
+
+BufferReader.prototype.finished = BufferReader.prototype.eof;
+
+BufferReader.prototype.read = function(len) {
+  $.checkArgument(!_.isUndefined(len), 'Must specify a length');
+  var buf = this.buf.slice(this.pos, this.pos + len);
+  this.pos = this.pos + len;
+  return buf;
+};
+
+BufferReader.prototype.readAll = function() {
+  var buf = this.buf.slice(this.pos, this.buf.length);
+  this.pos = this.buf.length;
+  return buf;
+};
+
+BufferReader.prototype.readUInt8 = function() {
+  var val = this.buf.readUInt8(this.pos);
+  this.pos = this.pos + 1;
+  return val;
+};
+
+BufferReader.prototype.readUInt16BE = function() {
+  var val = this.buf.readUInt16BE(this.pos);
+  this.pos = this.pos + 2;
+  return val;
+};
+
+BufferReader.prototype.readUInt16LE = function() {
+  var val = this.buf.readUInt16LE(this.pos);
+  this.pos = this.pos + 2;
+  return val;
+};
+
+BufferReader.prototype.readUInt32BE = function() {
+  var val = this.buf.readUInt32BE(this.pos);
+  this.pos = this.pos + 4;
+  return val;
+};
+
+BufferReader.prototype.readUInt32LE = function() {
+  var val = this.buf.readUInt32LE(this.pos);
+  this.pos = this.pos + 4;
+  return val;
+};
+
+BufferReader.prototype.readInt32LE = function() {
+  var val = this.buf.readInt32LE(this.pos);
+  this.pos = this.pos + 4;
+  return val;
+};
+
+BufferReader.prototype.readUInt64BEBN = function() {
+  var buf = this.buf.slice(this.pos, this.pos + 8);
+  var bn = BN.fromBuffer(buf);
+  this.pos = this.pos + 8;
+  return bn;
+};
+
+BufferReader.prototype.readUInt64LEBN = function() {
+  var second = this.buf.readUInt32LE(this.pos);
+  var first = this.buf.readUInt32LE(this.pos + 4);
+  var combined = (first * 0x100000000) + second;
+  // Instantiating an instance of BN with a number is faster than with an
+  // array or string. However, the maximum safe number for a double precision
+  // floating point is 2 ^ 52 - 1 (0x1fffffffffffff), thus we can safely use
+  // non-floating point numbers less than this amount (52 bits). And in the case
+  // that the number is larger, we can instatiate an instance of BN by passing
+  // an array from the buffer (slower) and specifying the endianness.
+  var bn;
+  if (combined <= 0x1fffffffffffff) {
+    bn = new BN(combined);
+  } else {
+    var data = Array.prototype.slice.call(this.buf, this.pos, this.pos + 8);
+    bn = new BN(data, 10, 'le');
+  }
+  this.pos = this.pos + 8;
+  return bn;
+};
+
+BufferReader.prototype.readVarintNum = function() {
+  var first = this.readUInt8();
+  switch (first) {
+    case 0xFD:
+      return this.readUInt16LE();
+    case 0xFE:
+      return this.readUInt32LE();
+    case 0xFF:
+      var bn = this.readUInt64LEBN();
+      var n = bn.toNumber();
+      if (n <= Math.pow(2, 53)) {
+        return n;
+      } else {
+        throw new Error('number too large to retain precision - use readVarintBN');
+      }
+      break;
+    default:
+      return first;
+  }
+};
+
+/**
+ * reads a length prepended buffer
+ */
+BufferReader.prototype.readVarLengthBuffer = function() {
+  var len = this.readVarintNum();
+  var buf = this.read(len);
+  $.checkState(buf.length === len, 'Invalid length while reading varlength buffer. ' +
+    'Expected to read: ' + len + ' and read ' + buf.length);
+  return buf;
+};
+
+BufferReader.prototype.readVarintBuf = function() {
+  var first = this.buf.readUInt8(this.pos);
+  switch (first) {
+    case 0xFD:
+      return this.read(1 + 2);
+    case 0xFE:
+      return this.read(1 + 4);
+    case 0xFF:
+      return this.read(1 + 8);
+    default:
+      return this.read(1);
+  }
+};
+
+BufferReader.prototype.readVarintBN = function() {
+  var first = this.readUInt8();
+  switch (first) {
+    case 0xFD:
+      return new BN(this.readUInt16LE());
+    case 0xFE:
+      return new BN(this.readUInt32LE());
+    case 0xFF:
+      return this.readUInt64LEBN();
+    default:
+      return new BN(first);
+  }
+};
+
+BufferReader.prototype.reverse = function() {
+  var buf = new Buffer(this.buf.length);
+  for (var i = 0; i < buf.length; i++) {
+    buf[i] = this.buf[this.buf.length - 1 - i];
+  }
+  this.buf = buf;
+  return this;
+};
+
+BufferReader.prototype.readReverse = function(len) {
+  if (_.isUndefined(len)) {
+    len = this.buf.length;
+  }
+  var buf = this.buf.slice(this.pos, this.pos + len);
+  this.pos = this.pos + len;
+  return BufferUtil.reverse(buf);
+};
+
+module.exports = BufferReader;
+
+}).call(this,require("buffer").Buffer)
+},{"../crypto/bn":220,"../util/buffer":267,"../util/preconditions":269,"buffer":70,"lodash":148}],229:[function(require,module,exports){
+(function (Buffer){
+'use strict';
+
+var bufferUtil = require('../util/buffer');
+var assert = require('assert');
+
+var BufferWriter = function BufferWriter(obj) {
+  if (!(this instanceof BufferWriter))
+    return new BufferWriter(obj);
+  if (obj)
+    this.set(obj);
+  else
+    this.bufs = [];
+};
+
+BufferWriter.prototype.set = function(obj) {
+  this.bufs = obj.bufs || this.bufs || [];
+  return this;
+};
+
+BufferWriter.prototype.toBuffer = function() {
+  return this.concat();
+};
+
+BufferWriter.prototype.concat = function() {
+  return Buffer.concat(this.bufs);
+};
+
+BufferWriter.prototype.write = function(buf) {
+  assert(bufferUtil.isBuffer(buf));
+  this.bufs.push(buf);
+  return this;
+};
+
+BufferWriter.prototype.writeReverse = function(buf) {
+  assert(bufferUtil.isBuffer(buf));
+  this.bufs.push(bufferUtil.reverse(buf));
+  return this;
+};
+
+BufferWriter.prototype.writeUInt8 = function(n) {
+  var buf = new Buffer(1);
+  buf.writeUInt8(n, 0);
+  this.write(buf);
+  return this;
+};
+
+BufferWriter.prototype.writeUInt16BE = function(n) {
+  var buf = new Buffer(2);
+  buf.writeUInt16BE(n, 0);
+  this.write(buf);
+  return this;
+};
+
+BufferWriter.prototype.writeUInt16LE = function(n) {
+  var buf = new Buffer(2);
+  buf.writeUInt16LE(n, 0);
+  this.write(buf);
+  return this;
+};
+
+BufferWriter.prototype.writeUInt32BE = function(n) {
+  var buf = new Buffer(4);
+  buf.writeUInt32BE(n, 0);
+  this.write(buf);
+  return this;
+};
+
+BufferWriter.prototype.writeInt32LE = function(n) {
+  var buf = new Buffer(4);
+  buf.writeInt32LE(n, 0);
+  this.write(buf);
+  return this;
+};
+
+BufferWriter.prototype.writeUInt32LE = function(n) {
+  var buf = new Buffer(4);
+  buf.writeUInt32LE(n, 0);
+  this.write(buf);
+  return this;
+};
+
+BufferWriter.prototype.writeUInt64BEBN = function(bn) {
+  var buf = bn.toBuffer({size: 8});
+  this.write(buf);
+  return this;
+};
+
+BufferWriter.prototype.writeUInt64LEBN = function(bn) {
+  var buf = bn.toBuffer({size: 8});
+  this.writeReverse(buf);
+  return this;
+};
+
+BufferWriter.prototype.writeVarintNum = function(n) {
+  var buf = BufferWriter.varintBufNum(n);
+  this.write(buf);
+  return this;
+};
+
+BufferWriter.prototype.writeVarintBN = function(bn) {
+  var buf = BufferWriter.varintBufBN(bn);
+  this.write(buf);
+  return this;
+};
+
+BufferWriter.varintBufNum = function(n) {
+  var buf = undefined;
+  if (n < 253) {
+    buf = new Buffer(1);
+    buf.writeUInt8(n, 0);
+  } else if (n < 0x10000) {
+    buf = new Buffer(1 + 2);
+    buf.writeUInt8(253, 0);
+    buf.writeUInt16LE(n, 1);
+  } else if (n < 0x100000000) {
+    buf = new Buffer(1 + 4);
+    buf.writeUInt8(254, 0);
+    buf.writeUInt32LE(n, 1);
+  } else {
+    buf = new Buffer(1 + 8);
+    buf.writeUInt8(255, 0);
+    buf.writeInt32LE(n & -1, 1);
+    buf.writeUInt32LE(Math.floor(n / 0x100000000), 5);
+  }
+  return buf;
+};
+
+BufferWriter.varintBufBN = function(bn) {
+  var buf = undefined;
+  var n = bn.toNumber();
+  if (n < 253) {
+    buf = new Buffer(1);
+    buf.writeUInt8(n, 0);
+  } else if (n < 0x10000) {
+    buf = new Buffer(1 + 2);
+    buf.writeUInt8(253, 0);
+    buf.writeUInt16LE(n, 1);
+  } else if (n < 0x100000000) {
+    buf = new Buffer(1 + 4);
+    buf.writeUInt8(254, 0);
+    buf.writeUInt32LE(n, 1);
+  } else {
+    var bw = new BufferWriter();
+    bw.writeUInt8(255);
+    bw.writeUInt64LEBN(bn);
+    var buf = bw.concat();
+  }
+  return buf;
+};
+
+module.exports = BufferWriter;
+
+}).call(this,require("buffer").Buffer)
+},{"../util/buffer":267,"assert":16,"buffer":70}],230:[function(require,module,exports){
+(function (Buffer){
+'use strict';
+
+var BufferWriter = require('./bufferwriter');
+var BufferReader = require('./bufferreader');
+var BN = require('../crypto/bn');
+
+var Varint = function Varint(buf) {
+  if (!(this instanceof Varint))
+    return new Varint(buf);
+  if (Buffer.isBuffer(buf)) {
+    this.buf = buf;
+  } else if (typeof buf === 'number') {
+    var num = buf;
+    this.fromNumber(num);
+  } else if (buf instanceof BN) {
+    var bn = buf;
+    this.fromBN(bn);
+  } else if (buf) {
+    var obj = buf;
+    this.set(obj);
+  }
+};
+
+Varint.prototype.set = function(obj) {
+  this.buf = obj.buf || this.buf;
+  return this;
+};
+
+Varint.prototype.fromString = function(str) {
+  this.set({
+    buf: new Buffer(str, 'hex')
+  });
+  return this;
+};
+
+Varint.prototype.toString = function() {
+  return this.buf.toString('hex');
+};
+
+Varint.prototype.fromBuffer = function(buf) {
+  this.buf = buf;
+  return this;
+};
+
+Varint.prototype.fromBufferReader = function(br) {
+  this.buf = br.readVarintBuf();
+  return this;
+};
+
+Varint.prototype.fromBN = function(bn) {
+  this.buf = BufferWriter().writeVarintBN(bn).concat();
+  return this;
+};
+
+Varint.prototype.fromNumber = function(num) {
+  this.buf = BufferWriter().writeVarintNum(num).concat();
+  return this;
+};
+
+Varint.prototype.toBuffer = function() {
+  return this.buf;
+};
+
+Varint.prototype.toBN = function() {
+  return BufferReader(this.buf).readVarintBN();
+};
+
+Varint.prototype.toNumber = function() {
+  return BufferReader(this.buf).readVarintNum();
+};
+
+module.exports = Varint;
+
+}).call(this,require("buffer").Buffer)
+},{"../crypto/bn":220,"./bufferreader":228,"./bufferwriter":229,"buffer":70}],231:[function(require,module,exports){
+'use strict';
+
+var _ = require('lodash');
+
+function format(message, args) {
+  return message
+    .replace('{0}', args[0])
+    .replace('{1}', args[1])
+    .replace('{2}', args[2]);
+}
+var traverseNode = function(parent, errorDefinition) {
+  var NodeError = function() {
+    if (_.isString(errorDefinition.message)) {
+      this.message = format(errorDefinition.message, arguments);
+    } else if (_.isFunction(errorDefinition.message)) {
+      this.message = errorDefinition.message.apply(null, arguments);
+    } else {
+      throw new Error('Invalid error definition for ' + errorDefinition.name);
+    }
+    this.stack = this.message + '\n' + (new Error()).stack;
+  };
+  NodeError.prototype = Object.create(parent.prototype);
+  NodeError.prototype.name = parent.prototype.name + errorDefinition.name;
+  parent[errorDefinition.name] = NodeError;
+  if (errorDefinition.errors) {
+    childDefinitions(NodeError, errorDefinition.errors);
+  }
+  return NodeError;
+};
+
+/* jshint latedef: false */
+var childDefinitions = function(parent, childDefinitions) {
+  _.each(childDefinitions, function(childDefinition) {
+    traverseNode(parent, childDefinition);
+  });
+};
+/* jshint latedef: true */
+
+var traverseRoot = function(parent, errorsDefinition) {
+  childDefinitions(parent, errorsDefinition);
+  return parent;
+};
+
+
+var bitcore = {};
+bitcore.Error = function() {
+  this.message = 'Internal error';
+  this.stack = this.message + '\n' + (new Error()).stack;
+};
+bitcore.Error.prototype = Object.create(Error.prototype);
+bitcore.Error.prototype.name = 'bitcore.Error';
+
+
+var data = require('./spec');
+traverseRoot(bitcore.Error, data);
+
+module.exports = bitcore.Error;
+
+module.exports.extend = function(spec) {
+  return traverseNode(bitcore.Error, spec);
+};
+
+},{"./spec":232,"lodash":148}],232:[function(require,module,exports){
+'use strict';
+
+var docsURL = 'http://bitcore.io/';
+
+module.exports = [{
+  name: 'InvalidB58Char',
+  message: 'Invalid Base58 character: {0} in {1}'
+}, {
+  name: 'InvalidB58Checksum',
+  message: 'Invalid Base58 checksum for {0}'
+}, {
+  name: 'InvalidNetwork',
+  message: 'Invalid version for network: got {0}'
+}, {
+  name: 'InvalidState',
+  message: 'Invalid state: {0}'
+}, {
+  name: 'NotImplemented',
+  message: 'Function {0} was not implemented yet'
+}, {
+  name: 'InvalidNetworkArgument',
+  message: 'Invalid network: must be "livenet" or "testnet", got {0}'
+}, {
+  name: 'InvalidArgument',
+  message: function() {
+    return 'Invalid Argument' + (arguments[0] ? (': ' + arguments[0]) : '') +
+      (arguments[1] ? (' Documentation: ' + docsURL + arguments[1]) : '');
+  }
+}, {
+  name: 'AbstractMethodInvoked',
+  message: 'Abstract Method Invocation: {0}'
+}, {
+  name: 'InvalidArgumentType',
+  message: function() {
+    return 'Invalid Argument for ' + arguments[2] + ', expected ' + arguments[1] + ' but got ' + typeof arguments[0];
+  }
+}, {
+  name: 'Unit',
+  message: 'Internal Error on Unit {0}',
+  errors: [{
+    'name': 'UnknownCode',
+    'message': 'Unrecognized unit code: {0}'
+  }, {
+    'name': 'InvalidRate',
+    'message': 'Invalid exchange rate: {0}'
+  }]
+}, {
+  name: 'Transaction',
+  message: 'Internal Error on Transaction {0}',
+  errors: [{
+    name: 'Input',
+    message: 'Internal Error on Input {0}',
+    errors: [{
+      name: 'MissingScript',
+      message: 'Need a script to create an input'
+    }, {
+      name: 'UnsupportedScript',
+      message: 'Unsupported input script type: {0}'
+    }, {
+      name: 'MissingPreviousOutput',
+      message: 'No previous output information.'
+    }]
+  }, {
+    name: 'NeedMoreInfo',
+    message: '{0}'
+  }, {
+    name: 'InvalidSorting',
+    message: 'The sorting function provided did not return the change output as one of the array elements'
+  }, {
+    name: 'InvalidOutputAmountSum',
+    message: '{0}'
+  }, {
+    name: 'MissingSignatures',
+    message: 'Some inputs have not been fully signed'
+  }, {
+    name: 'InvalidIndex',
+    message: 'Invalid index: {0} is not between 0, {1}'
+  }, {
+    name: 'UnableToVerifySignature',
+    message: 'Unable to verify signature: {0}'
+  }, {
+    name: 'DustOutputs',
+    message: 'Dust amount detected in one output'
+  }, {
+    name: 'InvalidSatoshis',
+    message: 'Output satoshis are invalid',
+  }, {
+    name: 'FeeError',
+    message: 'Internal Error on Fee {0}',
+    errors: [{
+      name: 'TooSmall',
+      message: 'Fee is too small: {0}',
+    }, {
+      name: 'TooLarge',
+      message: 'Fee is too large: {0}',
+    }, {
+      name: 'Different',
+      message: 'Unspent value is different from specified fee: {0}',
+    }]
+  }, {
+    name: 'ChangeAddressMissing',
+    message: 'Change address is missing'
+  }, {
+    name: 'BlockHeightTooHigh',
+    message: 'Block Height can be at most 2^32 -1'
+  }, {
+    name: 'NLockTimeOutOfRange',
+    message: 'Block Height can only be between 0 and 499 999 999'
+  }, {
+    name: 'LockTimeTooEarly',
+    message: 'Lock Time can\'t be earlier than UNIX date 500 000 000'
+  }]
+}, {
+  name: 'Script',
+  message: 'Internal Error on Script {0}',
+  errors: [{
+    name: 'UnrecognizedAddress',
+    message: 'Expected argument {0} to be an address'
+  }, {
+    name: 'CantDeriveAddress',
+    message: 'Can\'t derive address associated with script {0}, needs to be p2pkh in, p2pkh out, p2sh in, or p2sh out.'
+  }, {
+    name: 'InvalidBuffer',
+    message: 'Invalid script buffer: can\'t parse valid script from given buffer {0}'
+  }]
+}, {
+  name: 'HDPrivateKey',
+  message: 'Internal Error on HDPrivateKey {0}',
+  errors: [{
+    name: 'InvalidDerivationArgument',
+    message: 'Invalid derivation argument {0}, expected string, or number and boolean'
+  }, {
+    name: 'InvalidEntropyArgument',
+    message: 'Invalid entropy: must be an hexa string or binary buffer, got {0}',
+    errors: [{
+      name: 'TooMuchEntropy',
+      message: 'Invalid entropy: more than 512 bits is non standard, got "{0}"'
+    }, {
+      name: 'NotEnoughEntropy',
+      message: 'Invalid entropy: at least 128 bits needed, got "{0}"'
+    }]
+  }, {
+    name: 'InvalidLength',
+    message: 'Invalid length for xprivkey string in {0}'
+  }, {
+    name: 'InvalidPath',
+    message: 'Invalid derivation path: {0}'
+  }, {
+    name: 'UnrecognizedArgument',
+    message: 'Invalid argument: creating a HDPrivateKey requires a string, buffer, json or object, got "{0}"'
+  }]
+}, {
+  name: 'HDPublicKey',
+  message: 'Internal Error on HDPublicKey {0}',
+  errors: [{
+    name: 'ArgumentIsPrivateExtended',
+    message: 'Argument is an extended private key: {0}'
+  }, {
+    name: 'InvalidDerivationArgument',
+    message: 'Invalid derivation argument: got {0}'
+  }, {
+    name: 'InvalidLength',
+    message: 'Invalid length for xpubkey: got "{0}"'
+  }, {
+    name: 'InvalidPath',
+    message: 'Invalid derivation path, it should look like: "m/1/100", got "{0}"'
+  }, {
+    name: 'InvalidIndexCantDeriveHardened',
+    message: 'Invalid argument: creating a hardened path requires an HDPrivateKey'
+  }, {
+    name: 'MustSupplyArgument',
+    message: 'Must supply an argument to create a HDPublicKey'
+  }, {
+    name: 'UnrecognizedArgument',
+    message: 'Invalid argument for creation, must be string, json, buffer, or object'
+  }]
+}, {
+  name: 'Mnemonic',
+  message: 'Internal Error on bitcore-mnemonic module {0}',
+  errors: [{
+    name: 'InvalidEntropy',
+    message: 'Entropy length must be an even multiple of 11 bits: {0}'
+  }, {
+    name: 'UnknownWordlist',
+    message: 'Could not detect the used word list: {0}'
+  }, {
+    name: 'InvalidMnemonic',
+    message: 'Mnemonic string is invalid: {0}'
+  }]
+}];
+
+},{}],233:[function(require,module,exports){
+(function (Buffer){
+'use strict';
+
+
+var assert = require('assert');
+var buffer = require('buffer');
+var _ = require('lodash');
+var $ = require('./util/preconditions');
+
+var BN = require('./crypto/bn');
+var Base58 = require('./encoding/base58');
+var Base58Check = require('./encoding/base58check');
+var Hash = require('./crypto/hash');
+var Network = require('./networks');
+var Point = require('./crypto/point');
+var PrivateKey = require('./privatekey');
+var Random = require('./crypto/random');
+
+var errors = require('./errors');
+var hdErrors = errors.HDPrivateKey;
+var BufferUtil = require('./util/buffer');
+var JSUtil = require('./util/js');
+
+var MINIMUM_ENTROPY_BITS = 128;
+var BITS_TO_BYTES = 1 / 8;
+var MAXIMUM_ENTROPY_BITS = 512;
+
+
+/**
+ * Represents an instance of an hierarchically derived private key.
+ *
+ * More info on https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki
+ *
+ * @constructor
+ * @param {string|Buffer|Object} arg
+ */
+function HDPrivateKey(arg) {
+  /* jshint maxcomplexity: 10 */
+  if (arg instanceof HDPrivateKey) {
+    return arg;
+  }
+  if (!(this instanceof HDPrivateKey)) {
+    return new HDPrivateKey(arg);
+  }
+  if (!arg) {
+    return this._generateRandomly();
+  }
+
+  if (Network.get(arg)) {
+    return this._generateRandomly(arg);
+  } else if (_.isString(arg) || BufferUtil.isBuffer(arg)) {
+    if (HDPrivateKey.isValidSerialized(arg)) {
+      this._buildFromSerialized(arg);
+    } else if (JSUtil.isValidJSON(arg)) {
+      this._buildFromJSON(arg);
+    } else if (BufferUtil.isBuffer(arg) && HDPrivateKey.isValidSerialized(arg.toString())) {
+      this._buildFromSerialized(arg.toString());
+    } else {
+      throw HDPrivateKey.getSerializedError(arg);
+    }
+  } else if (_.isObject(arg)) {
+    this._buildFromObject(arg);
+  } else {
+    throw new hdErrors.UnrecognizedArgument(arg);
+  }
+}
+
+/**
+ * Verifies that a given path is valid.
+ *
+ * @param {string|number} arg
+ * @param {boolean?} hardened
+ * @return {boolean}
+ */
+HDPrivateKey.isValidPath = function(arg, hardened) {
+  if (_.isString(arg)) {
+    var indexes = HDPrivateKey._getDerivationIndexes(arg);
+    return indexes !== null && _.every(indexes, HDPrivateKey.isValidPath);
+  }
+
+  if (_.isNumber(arg)) {
+    if (arg < HDPrivateKey.Hardened && hardened === true) {
+      arg += HDPrivateKey.Hardened;
+    }
+    return arg >= 0 && arg < HDPrivateKey.MaxIndex;
+  }
+
+  return false;
+};
+
+/**
+ * Internal function that splits a string path into a derivation index array.
+ * It will return null if the string path is malformed.
+ * It does not validate if indexes are in bounds.
+ *
+ * @param {string} path
+ * @return {Array}
+ */
+HDPrivateKey._getDerivationIndexes = function(path) {
+  var steps = path.split('/');
+
+  // Special cases:
+  if (_.includes(HDPrivateKey.RootElementAlias, path)) {
+    return [];
+  }
+
+  if (!_.includes(HDPrivateKey.RootElementAlias, steps[0])) {
+    return null;
+  }
+
+  var indexes = steps.slice(1).map(function(step) {
+    var isHardened = step.slice(-1) === '\'';
+    if (isHardened) {
+      step = step.slice(0, -1);
+    }
+    if (!step || step[0] === '-') {
+      return NaN;
+    }
+    var index = +step; // cast to number
+    if (isHardened) {
+      index += HDPrivateKey.Hardened;
+    }
+
+    return index;
+  });
+
+  return _.some(indexes, isNaN) ? null : indexes;
+};
+
+/**
+ * WARNING: This method is deprecated. Use deriveChild or deriveNonCompliantChild instead. This is not BIP32 compliant
+ *
+ *
+ * Get a derived child based on a string or number.
+ *
+ * If the first argument is a string, it's parsed as the full path of
+ * derivation. Valid values for this argument include "m" (which returns the
+ * same private key), "m/0/1/40/2'/1000", where the ' quote means a hardened
+ * derivation.
+ *
+ * If the first argument is a number, the child with that index will be
+ * derived. If the second argument is truthy, the hardened version will be
+ * derived. See the example usage for clarification.
+ *
+ * @example
+ * ```javascript
+ * var parent = new HDPrivateKey('xprv...');
+ * var child_0_1_2h = parent.derive(0).derive(1).derive(2, true);
+ * var copy_of_child_0_1_2h = parent.derive("m/0/1/2'");
+ * assert(child_0_1_2h.xprivkey === copy_of_child_0_1_2h);
+ * ```
+ *
+ * @param {string|number} arg
+ * @param {boolean?} hardened
+ */
+HDPrivateKey.prototype.derive = function(arg, hardened) {
+  return this.deriveNonCompliantChild(arg, hardened);
+};
+
+/**
+ * WARNING: This method will not be officially supported until v1.0.0.
+ *
+ *
+ * Get a derived child based on a string or number.
+ *
+ * If the first argument is a string, it's parsed as the full path of
+ * derivation. Valid values for this argument include "m" (which returns the
+ * same private key), "m/0/1/40/2'/1000", where the ' quote means a hardened
+ * derivation.
+ *
+ * If the first argument is a number, the child with that index will be
+ * derived. If the second argument is truthy, the hardened version will be
+ * derived. See the example usage for clarification.
+ *
+ * WARNING: The `nonCompliant` option should NOT be used, except for older implementation
+ * that used a derivation strategy that used a non-zero padded private key.
+ *
+ * @example
+ * ```javascript
+ * var parent = new HDPrivateKey('xprv...');
+ * var child_0_1_2h = parent.deriveChild(0).deriveChild(1).deriveChild(2, true);
+ * var copy_of_child_0_1_2h = parent.deriveChild("m/0/1/2'");
+ * assert(child_0_1_2h.xprivkey === copy_of_child_0_1_2h);
+ * ```
+ *
+ * @param {string|number} arg
+ * @param {boolean?} hardened
+ */
+HDPrivateKey.prototype.deriveChild = function(arg, hardened) {
+  if (_.isNumber(arg)) {
+    return this._deriveWithNumber(arg, hardened);
+  } else if (_.isString(arg)) {
+    return this._deriveFromString(arg);
+  } else {
+    throw new hdErrors.InvalidDerivationArgument(arg);
+  }
+};
+
+/**
+ * WARNING: This method will not be officially supported until v1.0.0
+ *
+ *
+ * WARNING: If this is a new implementation you should NOT use this method, you should be using
+ * `derive` instead.
+ *
+ * This method is explicitly for use and compatibility with an implementation that
+ * was not compliant with BIP32 regarding the derivation algorithm. The private key
+ * must be 32 bytes hashing, and this implementation will use the non-zero padded
+ * serialization of a private key, such that it's still possible to derive the privateKey
+ * to recover those funds.
+ *
+ * @param {string|number} arg
+ * @param {boolean?} hardened
+ */
+HDPrivateKey.prototype.deriveNonCompliantChild = function(arg, hardened) {
+  if (_.isNumber(arg)) {
+    return this._deriveWithNumber(arg, hardened, true);
+  } else if (_.isString(arg)) {
+    return this._deriveFromString(arg, true);
+  } else {
+    throw new hdErrors.InvalidDerivationArgument(arg);
+  }
+};
+
+HDPrivateKey.prototype._deriveWithNumber = function(index, hardened, nonCompliant) {
+  /* jshint maxstatements: 20 */
+  /* jshint maxcomplexity: 10 */
+  if (!HDPrivateKey.isValidPath(index, hardened)) {
+    throw new hdErrors.InvalidPath(index);
+  }
+
+  hardened = index >= HDPrivateKey.Hardened ? true : hardened;
+  if (index < HDPrivateKey.Hardened && hardened === true) {
+    index += HDPrivateKey.Hardened;
+  }
+
+  var indexBuffer = BufferUtil.integerAsBuffer(index);
+  var data;
+  if (hardened && nonCompliant) {
+    // The private key serialization in this case will not be exactly 32 bytes and can be
+    // any value less, and the value is not zero-padded.
+    var nonZeroPadded = this.privateKey.bn.toBuffer();
+    data = BufferUtil.concat([new buffer.Buffer([0]), nonZeroPadded, indexBuffer]);
+  } else if (hardened) {
+    // This will use a 32 byte zero padded serialization of the private key
+    var privateKeyBuffer = this.privateKey.bn.toBuffer({size: 32});
+    assert(privateKeyBuffer.length === 32, 'length of private key buffer is expected to be 32 bytes');
+    data = BufferUtil.concat([new buffer.Buffer([0]), privateKeyBuffer, indexBuffer]);
+  } else {
+    data = BufferUtil.concat([this.publicKey.toBuffer(), indexBuffer]);
+  }
+  var hash = Hash.sha512hmac(data, this._buffers.chainCode);
+  var leftPart = BN.fromBuffer(hash.slice(0, 32), {
+    size: 32
+  });
+  var chainCode = hash.slice(32, 64);
+
+  var privateKey = leftPart.add(this.privateKey.toBigNumber()).mod(Point.getN()).toBuffer({
+    size: 32
+  });
+
+  if (!PrivateKey.isValid(privateKey)) {
+    // Index at this point is already hardened, we can pass null as the hardened arg
+    return this._deriveWithNumber(index + 1, null, nonCompliant);
+  }
+
+  var derived = new HDPrivateKey({
+    network: this.network,
+    depth: this.depth + 1,
+    parentFingerPrint: this.fingerPrint,
+    childIndex: index,
+    chainCode: chainCode,
+    privateKey: privateKey
+  });
+
+  return derived;
+};
+
+HDPrivateKey.prototype._deriveFromString = function(path, nonCompliant) {
+  if (!HDPrivateKey.isValidPath(path)) {
+    throw new hdErrors.InvalidPath(path);
+  }
+
+  var indexes = HDPrivateKey._getDerivationIndexes(path);
+  var derived = indexes.reduce(function(prev, index) {
+    return prev._deriveWithNumber(index, null, nonCompliant);
+  }, this);
+
+  return derived;
+};
+
+/**
+ * Verifies that a given serialized private key in base58 with checksum format
+ * is valid.
+ *
+ * @param {string|Buffer} data - the serialized private key
+ * @param {string|Network=} network - optional, if present, checks that the
+ *     network provided matches the network serialized.
+ * @return {boolean}
+ */
+HDPrivateKey.isValidSerialized = function(data, network) {
+  return !HDPrivateKey.getSerializedError(data, network);
+};
+
+/**
+ * Checks what's the error that causes the validation of a serialized private key
+ * in base58 with checksum to fail.
+ *
+ * @param {string|Buffer} data - the serialized private key
+ * @param {string|Network=} network - optional, if present, checks that the
+ *     network provided matches the network serialized.
+ * @return {errors.InvalidArgument|null}
+ */
+HDPrivateKey.getSerializedError = function(data, network) {
+  /* jshint maxcomplexity: 10 */
+  if (!(_.isString(data) || BufferUtil.isBuffer(data))) {
+    return new hdErrors.UnrecognizedArgument('Expected string or buffer');
+  }
+  if (!Base58.validCharacters(data)) {
+    return new errors.InvalidB58Char('(unknown)', data);
+  }
+  try {
+    data = Base58Check.decode(data);
+  } catch (e) {
+    return new errors.InvalidB58Checksum(data);
+  }
+  if (data.length !== HDPrivateKey.DataLength) {
+    return new hdErrors.InvalidLength(data);
+  }
+  if (!_.isUndefined(network)) {
+    var error = HDPrivateKey._validateNetwork(data, network);
+    if (error) {
+      return error;
+    }
+  }
+  return null;
+};
+
+HDPrivateKey._validateNetwork = function(data, networkArg) {
+  var network = Network.get(networkArg);
+  if (!network) {
+    return new errors.InvalidNetworkArgument(networkArg);
+  }
+  var version = data.slice(0, 4);
+  if (BufferUtil.integerFromBuffer(version) !== network.xprivkey) {
+    return new errors.InvalidNetwork(version);
+  }
+  return null;
+};
+
+HDPrivateKey.fromString = function(arg) {
+  $.checkArgument(_.isString(arg), 'No valid string was provided');
+  return new HDPrivateKey(arg);
+};
+
+HDPrivateKey.fromObject = function(arg) {
+  $.checkArgument(_.isObject(arg), 'No valid argument was provided');
+  return new HDPrivateKey(arg);
+};
+
+HDPrivateKey.prototype._buildFromJSON = function(arg) {
+  return this._buildFromObject(JSON.parse(arg));
+};
+
+HDPrivateKey.prototype._buildFromObject = function(arg) {
+  /* jshint maxcomplexity: 12 */
+  // TODO: Type validation
+  var buffers = {
+    version: arg.network ? BufferUtil.integerAsBuffer(Network.get(arg.network).xprivkey) : arg.version,
+    depth: _.isNumber(arg.depth) ? BufferUtil.integerAsSingleByteBuffer(arg.depth) : arg.depth,
+    parentFingerPrint: _.isNumber(arg.parentFingerPrint) ? BufferUtil.integerAsBuffer(arg.parentFingerPrint) : arg.parentFingerPrint,
+    childIndex: _.isNumber(arg.childIndex) ? BufferUtil.integerAsBuffer(arg.childIndex) : arg.childIndex,
+    chainCode: _.isString(arg.chainCode) ? BufferUtil.hexToBuffer(arg.chainCode) : arg.chainCode,
+    privateKey: (_.isString(arg.privateKey) && JSUtil.isHexa(arg.privateKey)) ? BufferUtil.hexToBuffer(arg.privateKey) : arg.privateKey,
+    checksum: arg.checksum ? (arg.checksum.length ? arg.checksum : BufferUtil.integerAsBuffer(arg.checksum)) : undefined
+  };
+  return this._buildFromBuffers(buffers);
+};
+
+HDPrivateKey.prototype._buildFromSerialized = function(arg) {
+  var decoded = Base58Check.decode(arg);
+  var buffers = {
+    version: decoded.slice(HDPrivateKey.VersionStart, HDPrivateKey.VersionEnd),
+    depth: decoded.slice(HDPrivateKey.DepthStart, HDPrivateKey.DepthEnd),
+    parentFingerPrint: decoded.slice(HDPrivateKey.ParentFingerPrintStart,
+      HDPrivateKey.ParentFingerPrintEnd),
+    childIndex: decoded.slice(HDPrivateKey.ChildIndexStart, HDPrivateKey.ChildIndexEnd),
+    chainCode: decoded.slice(HDPrivateKey.ChainCodeStart, HDPrivateKey.ChainCodeEnd),
+    privateKey: decoded.slice(HDPrivateKey.PrivateKeyStart, HDPrivateKey.PrivateKeyEnd),
+    checksum: decoded.slice(HDPrivateKey.ChecksumStart, HDPrivateKey.ChecksumEnd),
+    xprivkey: arg
+  };
+  return this._buildFromBuffers(buffers);
+};
+
+HDPrivateKey.prototype._generateRandomly = function(network) {
+  return HDPrivateKey.fromSeed(Random.getRandomBuffer(64), network);
+};
+
+/**
+ * Generate a private key from a seed, as described in BIP32
+ *
+ * @param {string|Buffer} hexa
+ * @param {*} network
+ * @return HDPrivateKey
+ */
+HDPrivateKey.fromSeed = function(hexa, network) {
+  /* jshint maxcomplexity: 8 */
+  if (JSUtil.isHexaString(hexa)) {
+    hexa = BufferUtil.hexToBuffer(hexa);
+  }
+  if (!Buffer.isBuffer(hexa)) {
+    throw new hdErrors.InvalidEntropyArgument(hexa);
+  }
+  if (hexa.length < MINIMUM_ENTROPY_BITS * BITS_TO_BYTES) {
+    throw new hdErrors.InvalidEntropyArgument.NotEnoughEntropy(hexa);
+  }
+  if (hexa.length > MAXIMUM_ENTROPY_BITS * BITS_TO_BYTES) {
+    throw new hdErrors.InvalidEntropyArgument.TooMuchEntropy(hexa);
+  }
+  var hash = Hash.sha512hmac(hexa, new buffer.Buffer('Bitcoin seed'));
+
+  return new HDPrivateKey({
+    network: Network.get(network) || Network.defaultNetwork,
+    depth: 0,
+    parentFingerPrint: 0,
+    childIndex: 0,
+    privateKey: hash.slice(0, 32),
+    chainCode: hash.slice(32, 64)
+  });
+};
+
+
+
+HDPrivateKey.prototype._calcHDPublicKey = function() {
+  if (!this._hdPublicKey) {
+    var HDPublicKey = require('./hdpublickey');
+    this._hdPublicKey = new HDPublicKey(this);
+  }
+};
+
+/**
+ * Receives a object with buffers in all the properties and populates the
+ * internal structure
+ *
+ * @param {Object} arg
+ * @param {buffer.Buffer} arg.version
+ * @param {buffer.Buffer} arg.depth
+ * @param {buffer.Buffer} arg.parentFingerPrint
+ * @param {buffer.Buffer} arg.childIndex
+ * @param {buffer.Buffer} arg.chainCode
+ * @param {buffer.Buffer} arg.privateKey
+ * @param {buffer.Buffer} arg.checksum
+ * @param {string=} arg.xprivkey - if set, don't recalculate the base58
+ *      representation
+ * @return {HDPrivateKey} this
+ */
+HDPrivateKey.prototype._buildFromBuffers = function(arg) {
+  /* jshint maxcomplexity: 8 */
+  /* jshint maxstatements: 20 */
+
+  HDPrivateKey._validateBufferArguments(arg);
+
+  JSUtil.defineImmutable(this, {
+    _buffers: arg
+  });
+
+  var sequence = [
+    arg.version, arg.depth, arg.parentFingerPrint, arg.childIndex, arg.chainCode,
+    BufferUtil.emptyBuffer(1), arg.privateKey
+  ];
+  var concat = buffer.Buffer.concat(sequence);
+  if (!arg.checksum || !arg.checksum.length) {
+    arg.checksum = Base58Check.checksum(concat);
+  } else {
+    if (arg.checksum.toString() !== Base58Check.checksum(concat).toString()) {
+      throw new errors.InvalidB58Checksum(concat);
+    }
+  }
+
+  var network = Network.get(BufferUtil.integerFromBuffer(arg.version));
+  var xprivkey;
+  xprivkey = Base58Check.encode(buffer.Buffer.concat(sequence));
+  arg.xprivkey = new Buffer(xprivkey);
+
+  var privateKey = new PrivateKey(BN.fromBuffer(arg.privateKey), network);
+  var publicKey = privateKey.toPublicKey();
+  var size = HDPrivateKey.ParentFingerPrintSize;
+  var fingerPrint = Hash.sha256ripemd160(publicKey.toBuffer()).slice(0, size);
+
+  JSUtil.defineImmutable(this, {
+    xprivkey: xprivkey,
+    network: network,
+    depth: BufferUtil.integerFromSingleByteBuffer(arg.depth),
+    privateKey: privateKey,
+    publicKey: publicKey,
+    fingerPrint: fingerPrint
+  });
+
+  this._hdPublicKey = null;
+
+  Object.defineProperty(this, 'hdPublicKey', {
+    configurable: false,
+    enumerable: true,
+    get: function() {
+      this._calcHDPublicKey();
+      return this._hdPublicKey;
+    }
+  });
+  Object.defineProperty(this, 'xpubkey', {
+    configurable: false,
+    enumerable: true,
+    get: function() {
+      this._calcHDPublicKey();
+      return this._hdPublicKey.xpubkey;
+    }
+  });
+  return this;
+};
+
+HDPrivateKey._validateBufferArguments = function(arg) {
+  var checkBuffer = function(name, size) {
+    var buff = arg[name];
+    assert(BufferUtil.isBuffer(buff), name + ' argument is not a buffer');
+    assert(
+      buff.length === size,
+      name + ' has not the expected size: found ' + buff.length + ', expected ' + size
+    );
+  };
+  checkBuffer('version', HDPrivateKey.VersionSize);
+  checkBuffer('depth', HDPrivateKey.DepthSize);
+  checkBuffer('parentFingerPrint', HDPrivateKey.ParentFingerPrintSize);
+  checkBuffer('childIndex', HDPrivateKey.ChildIndexSize);
+  checkBuffer('chainCode', HDPrivateKey.ChainCodeSize);
+  checkBuffer('privateKey', HDPrivateKey.PrivateKeySize);
+  if (arg.checksum && arg.checksum.length) {
+    checkBuffer('checksum', HDPrivateKey.CheckSumSize);
+  }
+};
+
+/**
+ * Returns the string representation of this private key (a string starting
+ * with "xprv..."
+ *
+ * @return string
+ */
+HDPrivateKey.prototype.toString = function() {
+  return this.xprivkey;
+};
+
+/**
+ * Returns the console representation of this extended private key.
+ * @return string
+ */
+HDPrivateKey.prototype.inspect = function() {
+  return '<HDPrivateKey: ' + this.xprivkey + '>';
+};
+
+/**
+ * Returns a plain object with a representation of this private key.
+ *
+ * Fields include:<ul>
+ * <li> network: either 'livenet' or 'testnet'
+ * <li> depth: a number ranging from 0 to 255
+ * <li> fingerPrint: a number ranging from 0 to 2^32-1, taken from the hash of the
+ * <li>     associated public key
+ * <li> parentFingerPrint: a number ranging from 0 to 2^32-1, taken from the hash
+ * <li>     of this parent's associated public key or zero.
+ * <li> childIndex: the index from which this child was derived (or zero)
+ * <li> chainCode: an hexa string representing a number used in the derivation
+ * <li> privateKey: the private key associated, in hexa representation
+ * <li> xprivkey: the representation of this extended private key in checksum
+ * <li>     base58 format
+ * <li> checksum: the base58 checksum of xprivkey
+ * </ul>
+ *  @return {Object}
+ */
+HDPrivateKey.prototype.toObject = HDPrivateKey.prototype.toJSON = function toObject() {
+  return {
+    network: Network.get(BufferUtil.integerFromBuffer(this._buffers.version), 'xprivkey').name,
+    depth: BufferUtil.integerFromSingleByteBuffer(this._buffers.depth),
+    fingerPrint: BufferUtil.integerFromBuffer(this.fingerPrint),
+    parentFingerPrint: BufferUtil.integerFromBuffer(this._buffers.parentFingerPrint),
+    childIndex: BufferUtil.integerFromBuffer(this._buffers.childIndex),
+    chainCode: BufferUtil.bufferToHex(this._buffers.chainCode),
+    privateKey: this.privateKey.toBuffer().toString('hex'),
+    checksum: BufferUtil.integerFromBuffer(this._buffers.checksum),
+    xprivkey: this.xprivkey
+  };
+};
+
+/**
+ * Build a HDPrivateKey from a buffer
+ *
+ * @param {Buffer} arg
+ * @return {HDPrivateKey}
+ */
+HDPrivateKey.fromBuffer = function(arg) {
+  return new HDPrivateKey(arg.toString());
+};
+
+/**
+ * Returns a buffer representation of the HDPrivateKey
+ *
+ * @return {string}
+ */
+HDPrivateKey.prototype.toBuffer = function() {
+  return BufferUtil.copy(this._buffers.xprivkey);
+};
+
+HDPrivateKey.DefaultDepth = 0;
+HDPrivateKey.DefaultFingerprint = 0;
+HDPrivateKey.DefaultChildIndex = 0;
+HDPrivateKey.Hardened = 0x80000000;
+HDPrivateKey.MaxIndex = 2 * HDPrivateKey.Hardened;
+
+HDPrivateKey.RootElementAlias = ['m', 'M', 'm\'', 'M\''];
+
+HDPrivateKey.VersionSize = 4;
+HDPrivateKey.DepthSize = 1;
+HDPrivateKey.ParentFingerPrintSize = 4;
+HDPrivateKey.ChildIndexSize = 4;
+HDPrivateKey.ChainCodeSize = 32;
+HDPrivateKey.PrivateKeySize = 32;
+HDPrivateKey.CheckSumSize = 4;
+
+HDPrivateKey.DataLength = 78;
+HDPrivateKey.SerializedByteSize = 82;
+
+HDPrivateKey.VersionStart = 0;
+HDPrivateKey.VersionEnd = HDPrivateKey.VersionStart + HDPrivateKey.VersionSize;
+HDPrivateKey.DepthStart = HDPrivateKey.VersionEnd;
+HDPrivateKey.DepthEnd = HDPrivateKey.DepthStart + HDPrivateKey.DepthSize;
+HDPrivateKey.ParentFingerPrintStart = HDPrivateKey.DepthEnd;
+HDPrivateKey.ParentFingerPrintEnd = HDPrivateKey.ParentFingerPrintStart + HDPrivateKey.ParentFingerPrintSize;
+HDPrivateKey.ChildIndexStart = HDPrivateKey.ParentFingerPrintEnd;
+HDPrivateKey.ChildIndexEnd = HDPrivateKey.ChildIndexStart + HDPrivateKey.ChildIndexSize;
+HDPrivateKey.ChainCodeStart = HDPrivateKey.ChildIndexEnd;
+HDPrivateKey.ChainCodeEnd = HDPrivateKey.ChainCodeStart + HDPrivateKey.ChainCodeSize;
+HDPrivateKey.PrivateKeyStart = HDPrivateKey.ChainCodeEnd + 1;
+HDPrivateKey.PrivateKeyEnd = HDPrivateKey.PrivateKeyStart + HDPrivateKey.PrivateKeySize;
+HDPrivateKey.ChecksumStart = HDPrivateKey.PrivateKeyEnd;
+HDPrivateKey.ChecksumEnd = HDPrivateKey.ChecksumStart + HDPrivateKey.CheckSumSize;
+
+assert(HDPrivateKey.ChecksumEnd === HDPrivateKey.SerializedByteSize);
+
+module.exports = HDPrivateKey;
+
+}).call(this,require("buffer").Buffer)
+},{"./crypto/bn":220,"./crypto/hash":222,"./crypto/point":223,"./crypto/random":224,"./encoding/base58":226,"./encoding/base58check":227,"./errors":231,"./hdpublickey":234,"./networks":246,"./privatekey":248,"./util/buffer":267,"./util/js":268,"./util/preconditions":269,"assert":16,"buffer":70,"lodash":148}],234:[function(require,module,exports){
+(function (Buffer){
+'use strict';
+
+var _ = require('lodash');
+var $ = require('./util/preconditions');
+
+var BN = require('./crypto/bn');
+var Base58 = require('./encoding/base58');
+var Base58Check = require('./encoding/base58check');
+var Hash = require('./crypto/hash');
+var HDPrivateKey = require('./hdprivatekey');
+var Network = require('./networks');
+var Point = require('./crypto/point');
+var PublicKey = require('./publickey');
+
+var bitcoreErrors = require('./errors');
+var errors = bitcoreErrors;
+var hdErrors = bitcoreErrors.HDPublicKey;
+var assert = require('assert');
+
+var JSUtil = require('./util/js');
+var BufferUtil = require('./util/buffer');
+
+/**
+ * The representation of an hierarchically derived public key.
+ *
+ * See https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki
+ *
+ * @constructor
+ * @param {Object|string|Buffer} arg
+ */
+function HDPublicKey(arg) {
+  /* jshint maxcomplexity: 12 */
+  /* jshint maxstatements: 20 */
+  if (arg instanceof HDPublicKey) {
+    return arg;
+  }
+  if (!(this instanceof HDPublicKey)) {
+    return new HDPublicKey(arg);
+  }
+  if (arg) {
+    if (_.isString(arg) || BufferUtil.isBuffer(arg)) {
+      var error = HDPublicKey.getSerializedError(arg);
+      if (!error) {
+        return this._buildFromSerialized(arg);
+      } else if (BufferUtil.isBuffer(arg) && !HDPublicKey.getSerializedError(arg.toString())) {
+        return this._buildFromSerialized(arg.toString());
+      } else {
+        if (error instanceof hdErrors.ArgumentIsPrivateExtended) {
+          return new HDPrivateKey(arg).hdPublicKey;
+        }
+        throw error;
+      }
+    } else {
+      if (_.isObject(arg)) {
+        if (arg instanceof HDPrivateKey) {
+          return this._buildFromPrivate(arg);
+        } else {
+          return this._buildFromObject(arg);
+        }
+      } else {
+        throw new hdErrors.UnrecognizedArgument(arg);
+      }
+    }
+  } else {
+    throw new hdErrors.MustSupplyArgument();
+  }
+}
+
+/**
+ * Verifies that a given path is valid.
+ *
+ * @param {string|number} arg
+ * @return {boolean}
+ */
+HDPublicKey.isValidPath = function(arg) {
+  if (_.isString(arg)) {
+    var indexes = HDPrivateKey._getDerivationIndexes(arg);
+    return indexes !== null && _.every(indexes, HDPublicKey.isValidPath);
+  }
+
+  if (_.isNumber(arg)) {
+    return arg >= 0 && arg < HDPublicKey.Hardened;
+  }
+
+  return false;
+};
+
+/**
+ * WARNING: This method is deprecated. Use deriveChild instead.
+ *
+ *
+ * Get a derivated child based on a string or number.
+ *
+ * If the first argument is a string, it's parsed as the full path of
+ * derivation. Valid values for this argument include "m" (which returns the
+ * same public key), "m/0/1/40/2/1000".
+ *
+ * Note that hardened keys can't be derived from a public extended key.
+ *
+ * If the first argument is a number, the child with that index will be
+ * derived. See the example usage for clarification.
+ *
+ * @example
+ * ```javascript
+ * var parent = new HDPublicKey('xpub...');
+ * var child_0_1_2 = parent.derive(0).derive(1).derive(2);
+ * var copy_of_child_0_1_2 = parent.derive("m/0/1/2");
+ * assert(child_0_1_2.xprivkey === copy_of_child_0_1_2);
+ * ```
+ *
+ * @param {string|number} arg
+ */
+HDPublicKey.prototype.derive = function(arg, hardened) {
+  return this.deriveChild(arg, hardened);
+};
+
+/**
+ * WARNING: This method will not be officially supported until v1.0.0.
+ *
+ *
+ * Get a derivated child based on a string or number.
+ *
+ * If the first argument is a string, it's parsed as the full path of
+ * derivation. Valid values for this argument include "m" (which returns the
+ * same public key), "m/0/1/40/2/1000".
+ *
+ * Note that hardened keys can't be derived from a public extended key.
+ *
+ * If the first argument is a number, the child with that index will be
+ * derived. See the example usage for clarification.
+ *
+ * @example
+ * ```javascript
+ * var parent = new HDPublicKey('xpub...');
+ * var child_0_1_2 = parent.deriveChild(0).deriveChild(1).deriveChild(2);
+ * var copy_of_child_0_1_2 = parent.deriveChild("m/0/1/2");
+ * assert(child_0_1_2.xprivkey === copy_of_child_0_1_2);
+ * ```
+ *
+ * @param {string|number} arg
+ */
+HDPublicKey.prototype.deriveChild = function(arg, hardened) {
+  if (_.isNumber(arg)) {
+    return this._deriveWithNumber(arg, hardened);
+  } else if (_.isString(arg)) {
+    return this._deriveFromString(arg);
+  } else {
+    throw new hdErrors.InvalidDerivationArgument(arg);
+  }
+};
+
+HDPublicKey.prototype._deriveWithNumber = function(index, hardened) {
+  if (index >= HDPublicKey.Hardened || hardened) {
+    throw new hdErrors.InvalidIndexCantDeriveHardened();
+  }
+  if (index < 0) {
+    throw new hdErrors.InvalidPath(index);
+  }
+
+  var indexBuffer = BufferUtil.integerAsBuffer(index);
+  var data = BufferUtil.concat([this.publicKey.toBuffer(), indexBuffer]);
+  var hash = Hash.sha512hmac(data, this._buffers.chainCode);
+  var leftPart = BN.fromBuffer(hash.slice(0, 32), {size: 32});
+  var chainCode = hash.slice(32, 64);
+
+  var publicKey;
+  try {
+    publicKey = PublicKey.fromPoint(Point.getG().mul(leftPart).add(this.publicKey.point));
+  } catch (e) {
+    return this._deriveWithNumber(index + 1);
+  }
+
+  var derived = new HDPublicKey({
+    network: this.network,
+    depth: this.depth + 1,
+    parentFingerPrint: this.fingerPrint,
+    childIndex: index,
+    chainCode: chainCode,
+    publicKey: publicKey
+  });
+
+  return derived;
+};
+
+HDPublicKey.prototype._deriveFromString = function(path) {
+  /* jshint maxcomplexity: 8 */
+  if (_.includes(path, "'")) {
+    throw new hdErrors.InvalidIndexCantDeriveHardened();
+  } else if (!HDPublicKey.isValidPath(path)) {
+    throw new hdErrors.InvalidPath(path);
+  }
+
+  var indexes = HDPrivateKey._getDerivationIndexes(path);
+  var derived = indexes.reduce(function(prev, index) {
+    return prev._deriveWithNumber(index);
+  }, this);
+
+  return derived;
+};
+
+/**
+ * Verifies that a given serialized public key in base58 with checksum format
+ * is valid.
+ *
+ * @param {string|Buffer} data - the serialized public key
+ * @param {string|Network=} network - optional, if present, checks that the
+ *     network provided matches the network serialized.
+ * @return {boolean}
+ */
+HDPublicKey.isValidSerialized = function(data, network) {
+  return _.isNull(HDPublicKey.getSerializedError(data, network));
+};
+
+/**
+ * Checks what's the error that causes the validation of a serialized public key
+ * in base58 with checksum to fail.
+ *
+ * @param {string|Buffer} data - the serialized public key
+ * @param {string|Network=} network - optional, if present, checks that the
+ *     network provided matches the network serialized.
+ * @return {errors|null}
+ */
+HDPublicKey.getSerializedError = function(data, network) {
+  /* jshint maxcomplexity: 10 */
+  /* jshint maxstatements: 20 */
+  if (!(_.isString(data) || BufferUtil.isBuffer(data))) {
+    return new hdErrors.UnrecognizedArgument('expected buffer or string');
+  }
+  if (!Base58.validCharacters(data)) {
+    return new errors.InvalidB58Char('(unknown)', data);
+  }
+  try {
+    data = Base58Check.decode(data);
+  } catch (e) {
+    return new errors.InvalidB58Checksum(data);
+  }
+  if (data.length !== HDPublicKey.DataSize) {
+    return new hdErrors.InvalidLength(data);
+  }
+  if (!_.isUndefined(network)) {
+    var error = HDPublicKey._validateNetwork(data, network);
+    if (error) {
+      return error;
+    }
+  }
+  var version = BufferUtil.integerFromBuffer(data.slice(0, 4));
+  if (version === Network.livenet.xprivkey || version === Network.testnet.xprivkey ) {
+    return new hdErrors.ArgumentIsPrivateExtended();
+  }
+  return null;
+};
+
+HDPublicKey._validateNetwork = function(data, networkArg) {
+  var network = Network.get(networkArg);
+  if (!network) {
+    return new errors.InvalidNetworkArgument(networkArg);
+  }
+  var version = data.slice(HDPublicKey.VersionStart, HDPublicKey.VersionEnd);
+  if (BufferUtil.integerFromBuffer(version) !== network.xpubkey) {
+    return new errors.InvalidNetwork(version);
+  }
+  return null;
+};
+
+HDPublicKey.prototype._buildFromPrivate = function (arg) {
+  var args = _.clone(arg._buffers);
+  var point = Point.getG().mul(BN.fromBuffer(args.privateKey));
+  args.publicKey = Point.pointToCompressed(point);
+  args.version = BufferUtil.integerAsBuffer(Network.get(BufferUtil.integerFromBuffer(args.version)).xpubkey);
+  args.privateKey = undefined;
+  args.checksum = undefined;
+  args.xprivkey = undefined;
+  return this._buildFromBuffers(args);
+};
+
+HDPublicKey.prototype._buildFromObject = function(arg) {
+  /* jshint maxcomplexity: 10 */
+  // TODO: Type validation
+  var buffers = {
+    version: arg.network ? BufferUtil.integerAsBuffer(Network.get(arg.network).xpubkey) : arg.version,
+    depth: _.isNumber(arg.depth) ? BufferUtil.integerAsSingleByteBuffer(arg.depth) : arg.depth,
+    parentFingerPrint: _.isNumber(arg.parentFingerPrint) ? BufferUtil.integerAsBuffer(arg.parentFingerPrint) : arg.parentFingerPrint,
+    childIndex: _.isNumber(arg.childIndex) ? BufferUtil.integerAsBuffer(arg.childIndex) : arg.childIndex,
+    chainCode: _.isString(arg.chainCode) ? BufferUtil.hexToBuffer(arg.chainCode) : arg.chainCode,
+    publicKey: _.isString(arg.publicKey) ? BufferUtil.hexToBuffer(arg.publicKey) :
+      BufferUtil.isBuffer(arg.publicKey) ? arg.publicKey : arg.publicKey.toBuffer(),
+    checksum: _.isNumber(arg.checksum) ? BufferUtil.integerAsBuffer(arg.checksum) : arg.checksum
+  };
+  return this._buildFromBuffers(buffers);
+};
+
+HDPublicKey.prototype._buildFromSerialized = function(arg) {
+  var decoded = Base58Check.decode(arg);
+  var buffers = {
+    version: decoded.slice(HDPublicKey.VersionStart, HDPublicKey.VersionEnd),
+    depth: decoded.slice(HDPublicKey.DepthStart, HDPublicKey.DepthEnd),
+    parentFingerPrint: decoded.slice(HDPublicKey.ParentFingerPrintStart,
+                                     HDPublicKey.ParentFingerPrintEnd),
+    childIndex: decoded.slice(HDPublicKey.ChildIndexStart, HDPublicKey.ChildIndexEnd),
+    chainCode: decoded.slice(HDPublicKey.ChainCodeStart, HDPublicKey.ChainCodeEnd),
+    publicKey: decoded.slice(HDPublicKey.PublicKeyStart, HDPublicKey.PublicKeyEnd),
+    checksum: decoded.slice(HDPublicKey.ChecksumStart, HDPublicKey.ChecksumEnd),
+    xpubkey: arg
+  };
+  return this._buildFromBuffers(buffers);
+};
+
+/**
+ * Receives a object with buffers in all the properties and populates the
+ * internal structure
+ *
+ * @param {Object} arg
+ * @param {buffer.Buffer} arg.version
+ * @param {buffer.Buffer} arg.depth
+ * @param {buffer.Buffer} arg.parentFingerPrint
+ * @param {buffer.Buffer} arg.childIndex
+ * @param {buffer.Buffer} arg.chainCode
+ * @param {buffer.Buffer} arg.publicKey
+ * @param {buffer.Buffer} arg.checksum
+ * @param {string=} arg.xpubkey - if set, don't recalculate the base58
+ *      representation
+ * @return {HDPublicKey} this
+ */
+HDPublicKey.prototype._buildFromBuffers = function(arg) {
+  /* jshint maxcomplexity: 8 */
+  /* jshint maxstatements: 20 */
+
+  HDPublicKey._validateBufferArguments(arg);
+
+  JSUtil.defineImmutable(this, {
+    _buffers: arg
+  });
+
+  var sequence = [
+    arg.version, arg.depth, arg.parentFingerPrint, arg.childIndex, arg.chainCode,
+    arg.publicKey
+  ];
+  var concat = BufferUtil.concat(sequence);
+  var checksum = Base58Check.checksum(concat);
+  if (!arg.checksum || !arg.checksum.length) {
+    arg.checksum = checksum;
+  } else {
+    if (arg.checksum.toString('hex') !== checksum.toString('hex')) {
+      throw new errors.InvalidB58Checksum(concat, checksum);
+    }
+  }
+  var network = Network.get(BufferUtil.integerFromBuffer(arg.version));
+
+  var xpubkey;
+  xpubkey = Base58Check.encode(BufferUtil.concat(sequence));
+  arg.xpubkey = new Buffer(xpubkey);
+
+  var publicKey = new PublicKey(arg.publicKey, {network: network});
+  var size = HDPublicKey.ParentFingerPrintSize;
+  var fingerPrint = Hash.sha256ripemd160(publicKey.toBuffer()).slice(0, size);
+
+  JSUtil.defineImmutable(this, {
+    xpubkey: xpubkey,
+    network: network,
+    depth: BufferUtil.integerFromSingleByteBuffer(arg.depth),
+    publicKey: publicKey,
+    fingerPrint: fingerPrint
+  });
+
+  return this;
+};
+
+HDPublicKey._validateBufferArguments = function(arg) {
+  var checkBuffer = function(name, size) {
+    var buff = arg[name];
+    assert(BufferUtil.isBuffer(buff), name + ' argument is not a buffer, it\'s ' + typeof buff);
+    assert(
+      buff.length === size,
+      name + ' has not the expected size: found ' + buff.length + ', expected ' + size
+    );
+  };
+  checkBuffer('version', HDPublicKey.VersionSize);
+  checkBuffer('depth', HDPublicKey.DepthSize);
+  checkBuffer('parentFingerPrint', HDPublicKey.ParentFingerPrintSize);
+  checkBuffer('childIndex', HDPublicKey.ChildIndexSize);
+  checkBuffer('chainCode', HDPublicKey.ChainCodeSize);
+  checkBuffer('publicKey', HDPublicKey.PublicKeySize);
+  if (arg.checksum && arg.checksum.length) {
+    checkBuffer('checksum', HDPublicKey.CheckSumSize);
+  }
+};
+
+HDPublicKey.fromString = function(arg) {
+  $.checkArgument(_.isString(arg), 'No valid string was provided');
+  return new HDPublicKey(arg);
+};
+
+HDPublicKey.fromObject = function(arg) {
+  $.checkArgument(_.isObject(arg), 'No valid argument was provided');
+  return new HDPublicKey(arg);
+};
+
+/**
+ * Returns the base58 checked representation of the public key
+ * @return {string} a string starting with "xpub..." in livenet
+ */
+HDPublicKey.prototype.toString = function() {
+  return this.xpubkey;
+};
+
+/**
+ * Returns the console representation of this extended public key.
+ * @return string
+ */
+HDPublicKey.prototype.inspect = function() {
+  return '<HDPublicKey: ' + this.xpubkey + '>';
+};
+
+/**
+ * Returns a plain JavaScript object with information to reconstruct a key.
+ *
+ * Fields are: <ul>
+ *  <li> network: 'livenet' or 'testnet'
+ *  <li> depth: a number from 0 to 255, the depth to the master extended key
+ *  <li> fingerPrint: a number of 32 bits taken from the hash of the public key
+ *  <li> fingerPrint: a number of 32 bits taken from the hash of this key's
+ *  <li>     parent's public key
+ *  <li> childIndex: index with which this key was derived
+ *  <li> chainCode: string in hexa encoding used for derivation
+ *  <li> publicKey: string, hexa encoded, in compressed key format
+ *  <li> checksum: BufferUtil.integerFromBuffer(this._buffers.checksum),
+ *  <li> xpubkey: the string with the base58 representation of this extended key
+ *  <li> checksum: the base58 checksum of xpubkey
+ * </ul>
+ */
+HDPublicKey.prototype.toObject = HDPublicKey.prototype.toJSON = function toObject() {
+  return {
+    network: Network.get(BufferUtil.integerFromBuffer(this._buffers.version)).name,
+    depth: BufferUtil.integerFromSingleByteBuffer(this._buffers.depth),
+    fingerPrint: BufferUtil.integerFromBuffer(this.fingerPrint),
+    parentFingerPrint: BufferUtil.integerFromBuffer(this._buffers.parentFingerPrint),
+    childIndex: BufferUtil.integerFromBuffer(this._buffers.childIndex),
+    chainCode: BufferUtil.bufferToHex(this._buffers.chainCode),
+    publicKey: this.publicKey.toString(),
+    checksum: BufferUtil.integerFromBuffer(this._buffers.checksum),
+    xpubkey: this.xpubkey
+  };
+};
+
+/**
+ * Create a HDPublicKey from a buffer argument
+ *
+ * @param {Buffer} arg
+ * @return {HDPublicKey}
+ */
+HDPublicKey.fromBuffer = function(arg) {
+  return new HDPublicKey(arg);
+};
+
+/**
+ * Return a buffer representation of the xpubkey
+ *
+ * @return {Buffer}
+ */
+HDPublicKey.prototype.toBuffer = function() {
+  return BufferUtil.copy(this._buffers.xpubkey);
+};
+
+HDPublicKey.Hardened = 0x80000000;
+HDPublicKey.RootElementAlias = ['m', 'M'];
+
+HDPublicKey.VersionSize = 4;
+HDPublicKey.DepthSize = 1;
+HDPublicKey.ParentFingerPrintSize = 4;
+HDPublicKey.ChildIndexSize = 4;
+HDPublicKey.ChainCodeSize = 32;
+HDPublicKey.PublicKeySize = 33;
+HDPublicKey.CheckSumSize = 4;
+
+HDPublicKey.DataSize = 78;
+HDPublicKey.SerializedByteSize = 82;
+
+HDPublicKey.VersionStart           = 0;
+HDPublicKey.VersionEnd             = HDPublicKey.VersionStart + HDPublicKey.VersionSize;
+HDPublicKey.DepthStart             = HDPublicKey.VersionEnd;
+HDPublicKey.DepthEnd               = HDPublicKey.DepthStart + HDPublicKey.DepthSize;
+HDPublicKey.ParentFingerPrintStart = HDPublicKey.DepthEnd;
+HDPublicKey.ParentFingerPrintEnd   = HDPublicKey.ParentFingerPrintStart + HDPublicKey.ParentFingerPrintSize;
+HDPublicKey.ChildIndexStart        = HDPublicKey.ParentFingerPrintEnd;
+HDPublicKey.ChildIndexEnd          = HDPublicKey.ChildIndexStart + HDPublicKey.ChildIndexSize;
+HDPublicKey.ChainCodeStart         = HDPublicKey.ChildIndexEnd;
+HDPublicKey.ChainCodeEnd           = HDPublicKey.ChainCodeStart + HDPublicKey.ChainCodeSize;
+HDPublicKey.PublicKeyStart         = HDPublicKey.ChainCodeEnd;
+HDPublicKey.PublicKeyEnd           = HDPublicKey.PublicKeyStart + HDPublicKey.PublicKeySize;
+HDPublicKey.ChecksumStart          = HDPublicKey.PublicKeyEnd;
+HDPublicKey.ChecksumEnd            = HDPublicKey.ChecksumStart + HDPublicKey.CheckSumSize;
+
+assert(HDPublicKey.PublicKeyEnd === HDPublicKey.DataSize);
+assert(HDPublicKey.ChecksumEnd === HDPublicKey.SerializedByteSize);
+
+module.exports = HDPublicKey;
+
+}).call(this,require("buffer").Buffer)
+},{"./crypto/bn":220,"./crypto/hash":222,"./crypto/point":223,"./encoding/base58":226,"./encoding/base58check":227,"./errors":231,"./hdprivatekey":233,"./networks":246,"./publickey":249,"./util/buffer":267,"./util/js":268,"./util/preconditions":269,"assert":16,"buffer":70,"lodash":148}],235:[function(require,module,exports){
+(function (Buffer){
+'use strict';
+
+var _ = require('lodash');
+var $ = require('./util/preconditions');
+var Address = require('./address');
+var PublicKey = require('./publickey');
+var PrivateKey = require('./privatekey');
+var BufferWriter = require('./encoding/bufferwriter');
+var ECDSA = require('./crypto/ecdsa');
+var Signature = require('./crypto/signature');
+var sha256sha256 = require('./crypto/hash').sha256sha256;
+var JSUtil = require('./util/js');
+
+/**
+ * constructs a new message to sign and verify.
+ *
+ * @param {String} message
+ * @returns {Message}
+ */
+var Message = function Message(message) {
+  if (!(this instanceof Message)) {
+    return new Message(message);
+  }
+  $.checkArgument(_.isString(message), 'First argument should be a string');
+  this.message = message;
+
+  return this;
+};
+
+Message.MAGIC_BYTES = new Buffer('Bitcoin Signed Message:\n');
+
+Message.prototype.magicHash = function magicHash() {
+  var prefix1 = BufferWriter.varintBufNum(Message.MAGIC_BYTES.length);
+  var messageBuffer = new Buffer(this.message);
+  var prefix2 = BufferWriter.varintBufNum(messageBuffer.length);
+  var buf = Buffer.concat([prefix1, Message.MAGIC_BYTES, prefix2, messageBuffer]);
+  var hash = sha256sha256(buf);
+  return hash;
+};
+
+Message.prototype._sign = function _sign(privateKey) {
+  console.log(privateKey);
+  $.checkArgument(privateKey instanceof PrivateKey,
+    'First argument should be an instance of PrivateKey');
+  var hash = this.magicHash();
+  var ecdsa = new ECDSA();
+  ecdsa.hashbuf = hash;
+  ecdsa.privkey = privateKey;
+  ecdsa.pubkey = privateKey.toPublicKey();
+  ecdsa.signRandomK();
+  ecdsa.calci();
+  return ecdsa.sig;
+};
+
+/**
+ * Will sign a message with a given bitcoin private key.
+ *
+ * @param {PrivateKey} privateKey - An instance of PrivateKey
+ * @returns {String} A base64 encoded compact signature
+ */
+Message.prototype.sign = function sign(privateKey) {
+  var signature = this._sign(privateKey);
+  return signature.toCompact().toString('base64');
+};
+
+Message.prototype._verify = function _verify(publicKey, signature) {
+  $.checkArgument(publicKey instanceof PublicKey, 'First argument should be an instance of PublicKey');
+  $.checkArgument(signature instanceof Signature, 'Second argument should be an instance of Signature');
+  var hash = this.magicHash();
+  var verified = ECDSA.verify(hash, signature, publicKey);
+  if (!verified) {
+    this.error = 'The signature was invalid';
+  }
+  return verified;
+};
+
+/**
+ * Will return a boolean of the signature is valid for a given bitcoin address.
+ * If it isn't the specific reason is accessible via the "error" member.
+ *
+ * @param {Address|String} bitcoinAddress - A bitcoin address
+ * @param {String} signatureString - A base64 encoded compact signature
+ * @returns {Boolean}
+ */
+Message.prototype.verify = function verify(bitcoinAddress, signatureString) {
+  $.checkArgument(bitcoinAddress);
+  $.checkArgument(signatureString && _.isString(signatureString));
+
+  if (_.isString(bitcoinAddress)) {
+    bitcoinAddress = Address.fromString(bitcoinAddress);
+  }
+  var signature = Signature.fromCompact(new Buffer(signatureString, 'base64'));
+
+  // recover the public key
+  var ecdsa = new ECDSA();
+  ecdsa.hashbuf = this.magicHash();
+  ecdsa.sig = signature;
+  var publicKey = ecdsa.toPublicKey();
+
+  var signatureAddress = Address.fromPublicKey(publicKey, bitcoinAddress.network);
+
+  // check that the recovered address and specified address match
+  if (bitcoinAddress.toString() !== signatureAddress.toString()) {
+    this.error = 'The signature did not match the message digest';
+    return false;
+  }
+
+  return this._verify(publicKey, signature);
+};
+
+/**
+ * Instantiate a message from a message string
+ *
+ * @param {String} str - A string of the message
+ * @returns {Message} A new instance of a Message
+ */
+Message.fromString = function(str) {
+  return new Message(str);
+};
+
+/**
+ * Instantiate a message from JSON
+ *
+ * @param {String} json - An JSON string or Object with keys: message
+ * @returns {Message} A new instance of a Message
+ */
+Message.fromJSON = function fromJSON(json) {
+  if (JSUtil.isValidJSON(json)) {
+    json = JSON.parse(json);
+  }
+  return new Message(json.message);
+};
+
+/**
+ * @returns {Object} A plain object with the message information
+ */
+Message.prototype.toObject = function toObject() {
+  return {
+    message: this.message
+  };
+};
+
+/**
+ * @returns {String} A JSON representation of the message information
+ */
+Message.prototype.toJSON = function toJSON() {
+  return JSON.stringify(this.toObject());
+};
+
+/**
+ * Will return a the string representation of the message
+ *
+ * @returns {String} Message
+ */
+Message.prototype.toString = function() {
+  return this.message;
+};
+
+/**
+ * Will return a string formatted for the console
+ *
+ * @returns {String} Message
+ */
+Message.prototype.inspect = function() {
+  return '<Message: ' + this.toString() + '>';
+};
+
+module.exports = Message;
+
+}).call(this,require("buffer").Buffer)
+},{"./address":214,"./crypto/ecdsa":221,"./crypto/hash":222,"./crypto/signature":225,"./encoding/bufferwriter":229,"./privatekey":248,"./publickey":249,"./util/js":268,"./util/preconditions":269,"buffer":70,"lodash":148}],236:[function(require,module,exports){
+module.exports = require('./mnemonic');
+
+},{"./mnemonic":237}],237:[function(require,module,exports){
+(function (Buffer){
+'use strict';
+
+var _ = require('lodash');
+var $ = require('../util/preconditions');
+var BN = require('../crypto/bn');
+var errors = require('../errors');
+var Hash = require('../crypto/hash');
+var HDPrivateKey = require('../hdprivatekey');
+var Random = require('../crypto/random');
+var unorm = require('unorm');
+
+/**
+ * This is an immutable class that represents a BIP39 Mnemonic code.
+ * See BIP39 specification for more info: https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki
+ * A Mnemonic code is a a group of easy to remember words used for the generation
+ * of deterministic wallets. A Mnemonic can be used to generate a seed using
+ * an optional passphrase, for later generate a HDPrivateKey.
+ *
+ * @example
+ * // generate a random mnemonic
+ * var mnemonic = new Mnemonic();
+ * var phrase = mnemonic.phrase;
+ *
+ * // use a different language
+ * var mnemonic = new Mnemonic(Mnemonic.Words.SPANISH);
+ * var xprivkey = mnemonic.toHDPrivateKey();
+ *
+ * @param {*=} data - a seed, phrase, or entropy to initialize (can be skipped)
+ * @param {Array=} wordlist - the wordlist to generate mnemonics from
+ * @returns {Mnemonic} A new instance of Mnemonic
+ * @constructor
+ */
+var Mnemonic = function(data, wordlist) {
+  if (!(this instanceof Mnemonic)) {
+    return new Mnemonic(data, wordlist);
+  }
+
+  if (_.isArray(data)) {
+    wordlist = data;
+    data = null;
+  }
+
+
+  // handle data overloading
+  var ent, phrase, seed;
+  if (Buffer.isBuffer(data)) {
+    seed = data;
+  } else if (_.isString(data)) {
+    phrase = unorm.nfkd(data);
+  } else if (_.isNumber(data)) {
+    ent = data;
+  } else if (data) {
+    throw new errors.InvalidArgument('data', 'Must be a Buffer, a string or an integer');
+  }
+  ent = ent || 128;
+
+
+  // check and detect wordlist
+  wordlist = wordlist || Mnemonic._getDictionary(phrase);
+  if (phrase && !wordlist) {
+    throw new errors.UnknownWordlist(phrase);
+  }
+  wordlist = wordlist || Mnemonic.Words.ENGLISH;
+
+  if (seed) {
+    phrase = Mnemonic._entropy2mnemonic(seed, wordlist);
+  }
+
+
+  // validate phrase and ent
+  if (phrase && !Mnemonic.isValid(phrase, wordlist)) {
+    throw new errors.InvalidMnemonic(phrase);
+  }
+  if (ent % 32 !== 0 || ent < 128) {
+    throw new errors.InvalidArgument('ENT', 'Values must be ENT > 128 and ENT % 32 == 0');
+  }
+
+  phrase = phrase || Mnemonic._mnemonic(ent, wordlist);
+
+  Object.defineProperty(this, 'wordlist', {
+    configurable: false,
+    value: wordlist
+  });
+
+  Object.defineProperty(this, 'phrase', {
+    configurable: false,
+    value: phrase
+  });
+};
+
+Mnemonic.Words = require('./words');
+
+/**
+ * Will return a boolean if the mnemonic is valid
+ *
+ * @example
+ *
+ * var valid = Mnemonic.isValid('lab rescue lunch elbow recall phrase perfect donkey biology guess moment husband');
+ * // true
+ *
+ * @param {String} mnemonic - The mnemonic string
+ * @param {String} [wordlist] - The wordlist used
+ * @returns {boolean}
+ */
+Mnemonic.isValid = function(mnemonic, wordlist) {
+  mnemonic = unorm.nfkd(mnemonic);
+  wordlist = wordlist || Mnemonic._getDictionary(mnemonic);
+
+  if (!wordlist) {
+    return false;
+  }
+
+  var words = mnemonic.split(' ');
+  var bin = '';
+  for (var i = 0; i < words.length; i++) {
+    var ind = wordlist.indexOf(words[i]);
+    if (ind < 0) return false;
+    bin = bin + ('00000000000' + ind.toString(2)).slice(-11);
+  }
+
+  var cs = bin.length / 33;
+  var hash_bits = bin.slice(-cs);
+  var nonhash_bits = bin.slice(0, bin.length - cs);
+  var buf = new Buffer(nonhash_bits.length / 8);
+  for (i = 0; i < nonhash_bits.length / 8; i++) {
+    buf.writeUInt8(parseInt(bin.slice(i * 8, (i + 1) * 8), 2), i);
+  }
+  var expected_hash_bits = Mnemonic._entropyChecksum(buf);
+  return expected_hash_bits === hash_bits;
+};
+
+/**
+ * Internal function to check if a mnemonic belongs to a wordlist.
+ *
+ * @param {String} mnemonic - The mnemonic string
+ * @param {String} wordlist - The wordlist
+ * @returns {boolean}
+ */
+Mnemonic._belongsToWordlist = function(mnemonic, wordlist) {
+  var words = unorm.nfkd(mnemonic).split(' ');
+  for (var i = 0; i < words.length; i++) {
+    var ind = wordlist.indexOf(words[i]);
+    if (ind < 0) return false;
+  }
+  return true;
+};
+
+/**
+ * Internal function to detect the wordlist used to generate the mnemonic.
+ *
+ * @param {String} mnemonic - The mnemonic string
+ * @returns {Array} the wordlist or null
+ */
+Mnemonic._getDictionary = function(mnemonic) {
+  if (!mnemonic) return null;
+
+  var dicts = Object.keys(Mnemonic.Words);
+  for (var i = 0; i < dicts.length; i++) {
+    var key = dicts[i];
+    if (Mnemonic._belongsToWordlist(mnemonic, Mnemonic.Words[key])) {
+      return Mnemonic.Words[key];
+    }
+  }
+  return null;
+};
+
+/**
+ * Will generate a seed based on the mnemonic and optional passphrase.
+ *
+ * @param {String} [passphrase]
+ * @returns {Buffer}
+ */
+Mnemonic.prototype.toSeed = function(passphrase) {
+  passphrase = passphrase || '';
+  return Mnemonic.pbkdf2(unorm.nfkd(this.phrase), unorm.nfkd('mnemonic' + passphrase), 2048, 64);
+};
+
+/**
+ * Will generate a Mnemonic object based on a seed.
+ *
+ * @param {Buffer} [seed]
+ * @param {string} [wordlist]
+ * @returns {Mnemonic}
+ */
+Mnemonic.fromSeed = function(seed, wordlist) {
+  $.checkArgument(Buffer.isBuffer(seed), 'seed must be a Buffer.');
+  $.checkArgument(_.isArray(wordlist) || _.isString(wordlist), 'wordlist must be a string or an array.');
+  return new Mnemonic(seed, wordlist);
+};
+
+/**
+ *
+ * Generates a HD Private Key from a Mnemonic.
+ * Optionally receive a passphrase and bitcoin network.
+ *
+ * @param {String=} [passphrase]
+ * @param {Network|String|number=} [network] - The network: 'livenet' or 'testnet'
+ * @returns {HDPrivateKey}
+ */
+Mnemonic.prototype.toHDPrivateKey = function(passphrase, network) {
+  var seed = this.toSeed(passphrase);
+  return HDPrivateKey.fromSeed(seed, network);
+};
+
+/**
+ * Will return a the string representation of the mnemonic
+ *
+ * @returns {String} Mnemonic
+ */
+Mnemonic.prototype.toString = function() {
+  return this.phrase;
+};
+
+/**
+ * Will return a string formatted for the console
+ *
+ * @returns {String} Mnemonic
+ */
+Mnemonic.prototype.inspect = function() {
+  return '<Mnemonic: ' + this.toString() + ' >';
+};
+
+/**
+ * Internal function to generate a random mnemonic
+ *
+ * @param {Number} ENT - Entropy size, defaults to 128
+ * @param {Array} wordlist - Array of words to generate the mnemonic
+ * @returns {String} Mnemonic string
+ */
+Mnemonic._mnemonic = function(ENT, wordlist) {
+  var buf = Random.getRandomBuffer(ENT / 8);
+  return Mnemonic._entropy2mnemonic(buf, wordlist);
+};
+
+/**
+ * Internal function to generate mnemonic based on entropy
+ *
+ * @param {Number} entropy - Entropy buffer
+ * @param {Array} wordlist - Array of words to generate the mnemonic
+ * @returns {String} Mnemonic string
+ */
+Mnemonic._entropy2mnemonic = function(entropy, wordlist) {
+  var bin = '';
+  for (var i = 0; i < entropy.length; i++) {
+    bin = bin + ('00000000' + entropy[i].toString(2)).slice(-8);
+  }
+
+  bin = bin + Mnemonic._entropyChecksum(entropy);
+  if (bin.length % 11 !== 0) {
+    throw new errors.InvalidEntropy(bin);
+  }
+  var mnemonic = [];
+  for (i = 0; i < bin.length / 11; i++) {
+    var wi = parseInt(bin.slice(i * 11, (i + 1) * 11), 2);
+    mnemonic.push(wordlist[wi]);
+  }
+  var ret;
+  if (wordlist === Mnemonic.Words.JAPANESE) {
+    ret = mnemonic.join('\u3000');
+  } else {
+    ret = mnemonic.join(' ');
+  }
+  return ret;
+};
+
+/**
+ * Internal function to create checksum of entropy
+ *
+ * @param entropy
+ * @returns {string} Checksum of entropy length / 32
+ * @private
+ */
+Mnemonic._entropyChecksum = function(entropy) {
+  var hash = Hash.sha256(entropy);
+  var bits = entropy.length * 8;
+  var cs = bits / 32;
+
+  var hashbits = new BN(hash.toString('hex'), 16).toString(2);
+
+  // zero pad the hash bits
+  while (hashbits.length % 256 !== 0) {
+    hashbits = '0' + hashbits;
+  }
+
+  var checksum = hashbits.slice(0, cs);
+
+  return checksum;
+};
+
+Mnemonic.pbkdf2 = require('./pbkdf2');
+
+module.exports = Mnemonic;
+
+}).call(this,require("buffer").Buffer)
+},{"../crypto/bn":220,"../crypto/hash":222,"../crypto/random":224,"../errors":231,"../hdprivatekey":233,"../util/preconditions":269,"./pbkdf2":238,"./words":242,"buffer":70,"lodash":148,"unorm":206}],238:[function(require,module,exports){
+(function (Buffer){
+'use strict';
+
+var crypto = require('crypto');
+
+/**
+ * PDKBF2
+ * Credit to: https://github.com/stayradiated/pbkdf2-sha512
+ * Copyright (c) 2014, JP Richardson Copyright (c) 2010-2011 Intalio Pte, All Rights Reserved
+ */
+function pbkdf2(key, salt, iterations, dkLen) {
+  /* jshint maxstatements: 31 */
+  /* jshint maxcomplexity: 9 */
+
+  var hLen = 64; //SHA512 Mac length
+  if (dkLen > (Math.pow(2, 32) - 1) * hLen) {
+    throw Error('Requested key length too long');
+  }
+
+  if (typeof key !== 'string' && !Buffer.isBuffer(key)) {
+    throw new TypeError('key must a string or Buffer');
+  }
+
+  if (typeof salt !== 'string' && !Buffer.isBuffer(salt)) {
+    throw new TypeError('salt must a string or Buffer');
+  }
+
+  if (typeof key === 'string') {
+    key = new Buffer(key);
+  }
+
+  if (typeof salt === 'string') {
+    salt = new Buffer(salt);
+  }
+
+  var DK = new Buffer(dkLen);
+
+  var U = new Buffer(hLen);
+  var T = new Buffer(hLen);
+  var block1 = new Buffer(salt.length + 4);
+
+  var l = Math.ceil(dkLen / hLen);
+  var r = dkLen - (l - 1) * hLen;
+
+  salt.copy(block1, 0, 0, salt.length);
+  for (var i = 1; i <= l; i++) {
+    block1[salt.length + 0] = (i >> 24 & 0xff);
+    block1[salt.length + 1] = (i >> 16 & 0xff);
+    block1[salt.length + 2] = (i >> 8  & 0xff);
+    block1[salt.length + 3] = (i >> 0  & 0xff);
+
+    U = crypto.createHmac('sha512', key).update(block1).digest();
+
+    U.copy(T, 0, 0, hLen);
+
+    for (var j = 1; j < iterations; j++) {
+      U = crypto.createHmac('sha512', key).update(U).digest();
+
+      for (var k = 0; k < hLen; k++) {
+        T[k] ^= U[k];
+      }
+    }
+
+    var destPos = (i - 1) * hLen;
+    var len = (i === l ? r : hLen);
+    T.copy(DK, destPos, 0, len);
+  }
+
+  return DK;
+}
+
+module.exports = pbkdf2;
+
+}).call(this,require("buffer").Buffer)
+},{"buffer":70,"crypto":100}],239:[function(require,module,exports){
+'use strict';
+
+var chinese = ['的', '一', '是', '在', '不', '了', '有', '和', '人', '这', '中', '大', '为', '上', '个', '国', '我', '以', '要', '他', '时', '来', '用', '们', '生', '到', '作', '地', '于', '出', '就', '分', '对', '成', '会', '可', '主', '发', '年', '动', '同', '工', '也', '能', '下', '过', '子', '说', '产', '种', '面', '而', '方', '后', '多', '定', '行', '学', '法', '所', '民', '得', '经', '十', '三', '之', '进', '着', '等', '部', '度', '家', '电', '力', '里', '如', '水', '化', '高', '自', '二', '理', '起', '小', '物', '现', '实', '加', '量', '都', '两', '体', '制', '机', '当', '使', '点', '从', '业', '本', '去', '把', '性', '好', '应', '开', '它', '合', '还', '因', '由', '其', '些', '然', '前', '外', '天', '政', '四', '日', '那', '社', '义', '事', '平', '形', '相', '全', '表', '间', '样', '与', '关', '各', '重', '新', '线', '内', '数', '正', '心', '反', '你', '明', '看', '原', '又', '么', '利', '比', '或', '但', '质', '气', '第', '向', '道', '命', '此', '变', '条', '只', '没', '结', '解', '问', '意', '建', '月', '公', '无', '系', '军', '很', '情', '者', '最', '立', '代', '想', '已', '通', '并', '提', '直', '题', '党', '程', '展', '五', '果', '料', '象', '员', '革', '位', '入', '常', '文', '总', '次', '品', '式', '活', '设', '及', '管', '特', '件', '长', '求', '老', '头', '基', '资', '边', '流', '路', '级', '少', '图', '山', '统', '接', '知', '较', '将', '组', '见', '计', '别', '她', '手', '角', '期', '根', '论', '运', '农', '指', '几', '九', '区', '强', '放', '决', '西', '被', '干', '做', '必', '战', '先', '回', '则', '任', '取', '据', '处', '队', '南', '给', '色', '光', '门', '即', '保', '治', '北', '造', '百', '规', '热', '领', '七', '海', '口', '东', '导', '器', '压', '志', '世', '金', '增', '争', '济', '阶', '油', '思', '术', '极', '交', '受', '联', '什', '认', '六', '共', '权', '收', '证', '改', '清', '美', '再', '采', '转', '更', '单', '风', '切', '打', '白', '教', '速', '花', '带', '安', '场', '身', '车', '例', '真', '务', '具', '万', '每', '目', '至', '达', '走', '积', '示', '议', '声', '报', '斗', '完', '类', '八', '离', '华', '名', '确', '才', '科', '张', '信', '马', '节', '话', '米', '整', '空', '元', '况', '今', '集', '温', '传', '土', '许', '步', '群', '广', '石', '记', '需', '段', '研', '界', '拉', '林', '律', '叫', '且', '究', '观', '越', '织', '装', '影', '算', '低', '持', '音', '众', '书', '布', '复', '容', '儿', '须', '际', '商', '非', '验', '连', '断', '深', '难', '近', '矿', '千', '周', '委', '素', '技', '备', '半', '办', '青', '省', '列', '习', '响', '约', '支', '般', '史', '感', '劳', '便', '团', '往', '酸', '历', '市', '克', '何', '除', '消', '构', '府', '称', '太', '准', '精', '值', '号', '率', '族', '维', '划', '选', '标', '写', '存', '候', '毛', '亲', '快', '效', '斯', '院', '查', '江', '型', '眼', '王', '按', '格', '养', '易', '置', '派', '层', '片', '始', '却', '专', '状', '育', '厂', '京', '识', '适', '属', '圆', '包', '火', '住', '调', '满', '县', '局', '照', '参', '红', '细', '引', '听', '该', '铁', '价', '严', '首', '底', '液', '官', '德', '随', '病', '苏', '失', '尔', '死', '讲', '配', '女', '黄', '推', '显', '谈', '罪', '神', '艺', '呢', '席', '含', '企', '望', '密', '批', '营', '项', '防', '举', '球', '英', '氧', '势', '告', '李', '台', '落', '木', '帮', '轮', '破', '亚', '师', '围', '注', '远', '字', '材', '排', '供', '河', '态', '封', '另', '施', '减', '树', '溶', '怎', '止', '案', '言', '士', '均', '武', '固', '叶', '鱼', '波', '视', '仅', '费', '紧', '爱', '左', '章', '早', '朝', '害', '续', '轻', '服', '试', '食', '充', '兵', '源', '判', '护', '司', '足', '某', '练', '差', '致', '板', '田', '降', '黑', '犯', '负', '击', '范', '继', '兴', '似', '余', '坚', '曲', '输', '修', '故', '城', '夫', '够', '送', '笔', '船', '占', '右', '财', '吃', '富', '春', '职', '觉', '汉', '画', '功', '巴', '跟', '虽', '杂', '飞', '检', '吸', '助', '升', '阳', '互', '初', '创', '抗', '考', '投', '坏', '策', '古', '径', '换', '未', '跑', '留', '钢', '曾', '端', '责', '站', '简', '述', '钱', '副', '尽', '帝', '射', '草', '冲', '承', '独', '令', '限', '阿', '宣', '环', '双', '请', '超', '微', '让', '控', '州', '良', '轴', '找', '否', '纪', '益', '依', '优', '顶', '础', '载', '倒', '房', '突', '坐', '粉', '敌', '略', '客', '袁', '冷', '胜', '绝', '析', '块', '剂', '测', '丝', '协', '诉', '念', '陈', '仍', '罗', '盐', '友', '洋', '错', '苦', '夜', '刑', '移', '频', '逐', '靠', '混', '母', '短', '皮', '终', '聚', '汽', '村', '云', '哪', '既', '距', '卫', '停', '烈', '央', '察', '烧', '迅', '境', '若', '印', '洲', '刻', '括', '激', '孔', '搞', '甚', '室', '待', '核', '校', '散', '侵', '吧', '甲', '游', '久', '菜', '味', '旧', '模', '湖', '货', '损', '预', '阻', '毫', '普', '稳', '乙', '妈', '植', '息', '扩', '银', '语', '挥', '酒', '守', '拿', '序', '纸', '医', '缺', '雨', '吗', '针', '刘', '啊', '急', '唱', '误', '训', '愿', '审', '附', '获', '茶', '鲜', '粮', '斤', '孩', '脱', '硫', '肥', '善', '龙', '演', '父', '渐', '血', '欢', '械', '掌', '歌', '沙', '刚', '攻', '谓', '盾', '讨', '晚', '粒', '乱', '燃', '矛', '乎', '杀', '药', '宁', '鲁', '贵', '钟', '煤', '读', '班', '伯', '香', '介', '迫', '句', '丰', '培', '握', '兰', '担', '弦', '蛋', '沉', '假', '穿', '执', '答', '乐', '谁', '顺', '烟', '缩', '征', '脸', '喜', '松', '脚', '困', '异', '免', '背', '星', '福', '买', '染', '井', '概', '慢', '怕', '磁', '倍', '祖', '皇', '促', '静', '补', '评', '翻', '肉', '践', '尼', '衣', '宽', '扬', '棉', '希', '伤', '操', '垂', '秋', '宜', '氢', '套', '督', '振', '架', '亮', '末', '宪', '庆', '编', '牛', '触', '映', '雷', '销', '诗', '座', '居', '抓', '裂', '胞', '呼', '娘', '景', '威', '绿', '晶', '厚', '盟', '衡', '鸡', '孙', '延', '危', '胶', '屋', '乡', '临', '陆', '顾', '掉', '呀', '灯', '岁', '措', '束', '耐', '剧', '玉', '赵', '跳', '哥', '季', '课', '凯', '胡', '额', '款', '绍', '卷', '齐', '伟', '蒸', '殖', '永', '宗', '苗', '川', '炉', '岩', '弱', '零', '杨', '奏', '沿', '露', '杆', '探', '滑', '镇', '饭', '浓', '航', '怀', '赶', '库', '夺', '伊', '灵', '税', '途', '灭', '赛', '归', '召', '鼓', '播', '盘', '裁', '险', '康', '唯', '录', '菌', '纯', '借', '糖', '盖', '横', '符', '私', '努', '堂', '域', '枪', '润', '幅', '哈', '竟', '熟', '虫', '泽', '脑', '壤', '碳', '欧', '遍', '侧', '寨', '敢', '彻', '虑', '斜', '薄', '庭', '纳', '弹', '饲', '伸', '折', '麦', '湿', '暗', '荷', '瓦', '塞', '床', '筑', '恶', '户', '访', '塔', '奇', '透', '梁', '刀', '旋', '迹', '卡', '氯', '遇', '份', '毒', '泥', '退', '洗', '摆', '灰', '彩', '卖', '耗', '夏', '择', '忙', '铜', '献', '硬', '予', '繁', '圈', '雪', '函', '亦', '抽', '篇', '阵', '阴', '丁', '尺', '追', '堆', '雄', '迎', '泛', '爸', '楼', '避', '谋', '吨', '野', '猪', '旗', '累', '偏', '典', '馆', '索', '秦', '脂', '潮', '爷', '豆', '忽', '托', '惊', '塑', '遗', '愈', '朱', '替', '纤', '粗', '倾', '尚', '痛', '楚', '谢', '奋', '购', '磨', '君', '池', '旁', '碎', '骨', '监', '捕', '弟', '暴', '割', '贯', '殊', '释', '词', '亡', '壁', '顿', '宝', '午', '尘', '闻', '揭', '炮', '残', '冬', '桥', '妇', '警', '综', '招', '吴', '付', '浮', '遭', '徐', '您', '摇', '谷', '赞', '箱', '隔', '订', '男', '吹', '园', '纷', '唐', '败', '宋', '玻', '巨', '耕', '坦', '荣', '闭', '湾', '键', '凡', '驻', '锅', '救', '恩', '剥', '凝', '碱', '齿', '截', '炼', '麻', '纺', '禁', '废', '盛', '版', '缓', '净', '睛', '昌', '婚', '涉', '筒', '嘴', '插', '岸', '朗', '庄', '街', '藏', '姑', '贸', '腐', '奴', '啦', '惯', '乘', '伙', '恢', '匀', '纱', '扎', '辩', '耳', '彪', '臣', '亿', '璃', '抵', '脉', '秀', '萨', '俄', '网', '舞', '店', '喷', '纵', '寸', '汗', '挂', '洪', '贺', '闪', '柬', '爆', '烯', '津', '稻', '墙', '软', '勇', '像', '滚', '厘', '蒙', '芳', '肯', '坡', '柱', '荡', '腿', '仪', '旅', '尾', '轧', '冰', '贡', '登', '黎', '削', '钻', '勒', '逃', '障', '氨', '郭', '峰', '币', '港', '伏', '轨', '亩', '毕', '擦', '莫', '刺', '浪', '秘', '援', '株', '健', '售', '股', '岛', '甘', '泡', '睡', '童', '铸', '汤', '阀', '休', '汇', '舍', '牧', '绕', '炸', '哲', '磷', '绩', '朋', '淡', '尖', '启', '陷', '柴', '呈', '徒', '颜', '泪', '稍', '忘', '泵', '蓝', '拖', '洞', '授', '镜', '辛', '壮', '锋', '贫', '虚', '弯', '摩', '泰', '幼', '廷', '尊', '窗', '纲', '弄', '隶', '疑', '氏', '宫', '姐', '震', '瑞', '怪', '尤', '琴', '循', '描', '膜', '违', '夹', '腰', '缘', '珠', '穷', '森', '枝', '竹', '沟', '催', '绳', '忆', '邦', '剩', '幸', '浆', '栏', '拥', '牙', '贮', '礼', '滤', '钠', '纹', '罢', '拍', '咱', '喊', '袖', '埃', '勤', '罚', '焦', '潜', '伍', '墨', '欲', '缝', '姓', '刊', '饱', '仿', '奖', '铝', '鬼', '丽', '跨', '默', '挖', '链', '扫', '喝', '袋', '炭', '污', '幕', '诸', '弧', '励', '梅', '奶', '洁', '灾', '舟', '鉴', '苯', '讼', '抱', '毁', '懂', '寒', '智', '埔', '寄', '届', '跃', '渡', '挑', '丹', '艰', '贝', '碰', '拔', '爹', '戴', '码', '梦', '芽', '熔', '赤', '渔', '哭', '敬', '颗', '奔', '铅', '仲', '虎', '稀', '妹', '乏', '珍', '申', '桌', '遵', '允', '隆', '螺', '仓', '魏', '锐', '晓', '氮', '兼', '隐', '碍', '赫', '拨', '忠', '肃', '缸', '牵', '抢', '博', '巧', '壳', '兄', '杜', '讯', '诚', '碧', '祥', '柯', '页', '巡', '矩', '悲', '灌', '龄', '伦', '票', '寻', '桂', '铺', '圣', '恐', '恰', '郑', '趣', '抬', '荒', '腾', '贴', '柔', '滴', '猛', '阔', '辆', '妻', '填', '撤', '储', '签', '闹', '扰', '紫', '砂', '递', '戏', '吊', '陶', '伐', '喂', '疗', '瓶', '婆', '抚', '臂', '摸', '忍', '虾', '蜡', '邻', '胸', '巩', '挤', '偶', '弃', '槽', '劲', '乳', '邓', '吉', '仁', '烂', '砖', '租', '乌', '舰', '伴', '瓜', '浅', '丙', '暂', '燥', '橡', '柳', '迷', '暖', '牌', '秧', '胆', '详', '簧', '踏', '瓷', '谱', '呆', '宾', '糊', '洛', '辉', '愤', '竞', '隙', '怒', '粘', '乃', '绪', '肩', '籍', '敏', '涂', '熙', '皆', '侦', '悬', '掘', '享', '纠', '醒', '狂', '锁', '淀', '恨', '牲', '霸', '爬', '赏', '逆', '玩', '陵', '祝', '秒', '浙', '貌', '役', '彼', '悉', '鸭', '趋', '凤', '晨', '畜', '辈', '秩', '卵', '署', '梯', '炎', '滩', '棋', '驱', '筛', '峡', '冒', '啥', '寿', '译', '浸', '泉', '帽', '迟', '硅', '疆', '贷', '漏', '稿', '冠', '嫩', '胁', '芯', '牢', '叛', '蚀', '奥', '鸣', '岭', '羊', '凭', '串', '塘', '绘', '酵', '融', '盆', '锡', '庙', '筹', '冻', '辅', '摄', '袭', '筋', '拒', '僚', '旱', '钾', '鸟', '漆', '沈', '眉', '疏', '添', '棒', '穗', '硝', '韩', '逼', '扭', '侨', '凉', '挺', '碗', '栽', '炒', '杯', '患', '馏', '劝', '豪', '辽', '勃', '鸿', '旦', '吏', '拜', '狗', '埋', '辊', '掩', '饮', '搬', '骂', '辞', '勾', '扣', '估', '蒋', '绒', '雾', '丈', '朵', '姆', '拟', '宇', '辑', '陕', '雕', '偿', '蓄', '崇', '剪', '倡', '厅', '咬', '驶', '薯', '刷', '斥', '番', '赋', '奉', '佛', '浇', '漫', '曼', '扇', '钙', '桃', '扶', '仔', '返', '俗', '亏', '腔', '鞋', '棱', '覆', '框', '悄', '叔', '撞', '骗', '勘', '旺', '沸', '孤', '吐', '孟', '渠', '屈', '疾', '妙', '惜', '仰', '狠', '胀', '谐', '抛', '霉', '桑', '岗', '嘛', '衰', '盗', '渗', '脏', '赖', '涌', '甜', '曹', '阅', '肌', '哩', '厉', '烃', '纬', '毅', '昨', '伪', '症', '煮', '叹', '钉', '搭', '茎', '笼', '酷', '偷', '弓', '锥', '恒', '杰', '坑', '鼻', '翼', '纶', '叙', '狱', '逮', '罐', '络', '棚', '抑', '膨', '蔬', '寺', '骤', '穆', '冶', '枯', '册', '尸', '凸', '绅', '坯', '牺', '焰', '轰', '欣', '晋', '瘦', '御', '锭', '锦', '丧', '旬', '锻', '垄', '搜', '扑', '邀', '亭', '酯', '迈', '舒', '脆', '酶', '闲', '忧', '酚', '顽', '羽', '涨', '卸', '仗', '陪', '辟', '惩', '杭', '姚', '肚', '捉', '飘', '漂', '昆', '欺', '吾', '郎', '烷', '汁', '呵', '饰', '萧', '雅', '邮', '迁', '燕', '撒', '姻', '赴', '宴', '烦', '债', '帐', '斑', '铃', '旨', '醇', '董', '饼', '雏', '姿', '拌', '傅', '腹', '妥', '揉', '贤', '拆', '歪', '葡', '胺', '丢', '浩', '徽', '昂', '垫', '挡', '览', '贪', '慰', '缴', '汪', '慌', '冯', '诺', '姜', '谊', '凶', '劣', '诬', '耀', '昏', '躺', '盈', '骑', '乔', '溪', '丛', '卢', '抹', '闷', '咨', '刮', '驾', '缆', '悟', '摘', '铒', '掷', '颇', '幻', '柄', '惠', '惨', '佳', '仇', '腊', '窝', '涤', '剑', '瞧', '堡', '泼', '葱', '罩', '霍', '捞', '胎', '苍', '滨', '俩', '捅', '湘', '砍', '霞', '邵', '萄', '疯', '淮', '遂', '熊', '粪', '烘', '宿', '档', '戈', '驳', '嫂', '裕', '徙', '箭', '捐', '肠', '撑', '晒', '辨', '殿', '莲', '摊', '搅', '酱', '屏', '疫', '哀', '蔡', '堵', '沫', '皱', '畅', '叠', '阁', '莱', '敲', '辖', '钩', '痕', '坝', '巷', '饿', '祸', '丘', '玄', '溜', '曰', '逻', '彭', '尝', '卿', '妨', '艇', '吞', '韦', '怨', '矮', '歇'];
+
+module.exports = chinese;
+},{}],240:[function(require,module,exports){
+'use strict';
+
+var english = ['abandon', 'ability', 'able', 'about', 'above', 'absent', 'absorb', 'abstract', 'absurd', 'abuse', 'access', 'accident', 'account', 'accuse', 'achieve', 'acid', 'acoustic', 'acquire', 'across', 'act', 'action', 'actor', 'actress', 'actual', 'adapt', 'add', 'addict', 'address', 'adjust', 'admit', 'adult', 'advance', 'advice', 'aerobic', 'affair', 'afford', 'afraid', 'again', 'age', 'agent', 'agree', 'ahead', 'aim', 'air', 'airport', 'aisle', 'alarm', 'album', 'alcohol', 'alert', 'alien', 'all', 'alley', 'allow', 'almost', 'alone', 'alpha', 'already', 'also', 'alter', 'always', 'amateur', 'amazing', 'among', 'amount', 'amused', 'analyst', 'anchor', 'ancient', 'anger', 'angle', 'angry', 'animal', 'ankle', 'announce', 'annual', 'another', 'answer', 'antenna', 'antique', 'anxiety', 'any', 'apart', 'apology', 'appear', 'apple', 'approve', 'april', 'arch', 'arctic', 'area', 'arena', 'argue', 'arm', 'armed', 'armor', 'army', 'around', 'arrange', 'arrest', 'arrive', 'arrow', 'art', 'artefact', 'artist', 'artwork', 'ask', 'aspect', 'assault', 'asset', 'assist', 'assume', 'asthma', 'athlete', 'atom', 'attack', 'attend', 'attitude', 'attract', 'auction', 'audit', 'august', 'aunt', 'author', 'auto', 'autumn', 'average', 'avocado', 'avoid', 'awake', 'aware', 'away', 'awesome', 'awful', 'awkward', 'axis', 'baby', 'bachelor', 'bacon', 'badge', 'bag', 'balance', 'balcony', 'ball', 'bamboo', 'banana', 'banner', 'bar', 'barely', 'bargain', 'barrel', 'base', 'basic', 'basket', 'battle', 'beach', 'bean', 'beauty', 'because', 'become', 'beef', 'before', 'begin', 'behave', 'behind', 'believe', 'below', 'belt', 'bench', 'benefit', 'best', 'betray', 'better', 'between', 'beyond', 'bicycle', 'bid', 'bike', 'bind', 'biology', 'bird', 'birth', 'bitter', 'black', 'blade', 'blame', 'blanket', 'blast', 'bleak', 'bless', 'blind', 'blood', 'blossom', 'blouse', 'blue', 'blur', 'blush', 'board', 'boat', 'body', 'boil', 'bomb', 'bone', 'bonus', 'book', 'boost', 'border', 'boring', 'borrow', 'boss', 'bottom', 'bounce', 'box', 'boy', 'bracket', 'brain', 'brand', 'brass', 'brave', 'bread', 'breeze', 'brick', 'bridge', 'brief', 'bright', 'bring', 'brisk', 'broccoli', 'broken', 'bronze', 'broom', 'brother', 'brown', 'brush', 'bubble', 'buddy', 'budget', 'buffalo', 'build', 'bulb', 'bulk', 'bullet', 'bundle', 'bunker', 'burden', 'burger', 'burst', 'bus', 'business', 'busy', 'butter', 'buyer', 'buzz', 'cabbage', 'cabin', 'cable', 'cactus', 'cage', 'cake', 'call', 'calm', 'camera', 'camp', 'can', 'canal', 'cancel', 'candy', 'cannon', 'canoe', 'canvas', 'canyon', 'capable', 'capital', 'captain', 'car', 'carbon', 'card', 'cargo', 'carpet', 'carry', 'cart', 'case', 'cash', 'casino', 'castle', 'casual', 'cat', 'catalog', 'catch', 'category', 'cattle', 'caught', 'cause', 'caution', 'cave', 'ceiling', 'celery', 'cement', 'census', 'century', 'cereal', 'certain', 'chair', 'chalk', 'champion', 'change', 'chaos', 'chapter', 'charge', 'chase', 'chat', 'cheap', 'check', 'cheese', 'chef', 'cherry', 'chest', 'chicken', 'chief', 'child', 'chimney', 'choice', 'choose', 'chronic', 'chuckle', 'chunk', 'churn', 'cigar', 'cinnamon', 'circle', 'citizen', 'city', 'civil', 'claim', 'clap', 'clarify', 'claw', 'clay', 'clean', 'clerk', 'clever', 'click', 'client', 'cliff', 'climb', 'clinic', 'clip', 'clock', 'clog', 'close', 'cloth', 'cloud', 'clown', 'club', 'clump', 'cluster', 'clutch', 'coach', 'coast', 'coconut', 'code', 'coffee', 'coil', 'coin', 'collect', 'color', 'column', 'combine', 'come', 'comfort', 'comic', 'common', 'company', 'concert', 'conduct', 'confirm', 'congress', 'connect', 'consider', 'control', 'convince', 'cook', 'cool', 'copper', 'copy', 'coral', 'core', 'corn', 'correct', 'cost', 'cotton', 'couch', 'country', 'couple', 'course', 'cousin', 'cover', 'coyote', 'crack', 'cradle', 'craft', 'cram', 'crane', 'crash', 'crater', 'crawl', 'crazy', 'cream', 'credit', 'creek', 'crew', 'cricket', 'crime', 'crisp', 'critic', 'crop', 'cross', 'crouch', 'crowd', 'crucial', 'cruel', 'cruise', 'crumble', 'crunch', 'crush', 'cry', 'crystal', 'cube', 'culture', 'cup', 'cupboard', 'curious', 'current', 'curtain', 'curve', 'cushion', 'custom', 'cute', 'cycle', 'dad', 'damage', 'damp', 'dance', 'danger', 'daring', 'dash', 'daughter', 'dawn', 'day', 'deal', 'debate', 'debris', 'decade', 'december', 'decide', 'decline', 'decorate', 'decrease', 'deer', 'defense', 'define', 'defy', 'degree', 'delay', 'deliver', 'demand', 'demise', 'denial', 'dentist', 'deny', 'depart', 'depend', 'deposit', 'depth', 'deputy', 'derive', 'describe', 'desert', 'design', 'desk', 'despair', 'destroy', 'detail', 'detect', 'develop', 'device', 'devote', 'diagram', 'dial', 'diamond', 'diary', 'dice', 'diesel', 'diet', 'differ', 'digital', 'dignity', 'dilemma', 'dinner', 'dinosaur', 'direct', 'dirt', 'disagree', 'discover', 'disease', 'dish', 'dismiss', 'disorder', 'display', 'distance', 'divert', 'divide', 'divorce', 'dizzy', 'doctor', 'document', 'dog', 'doll', 'dolphin', 'domain', 'donate', 'donkey', 'donor', 'door', 'dose', 'double', 'dove', 'draft', 'dragon', 'drama', 'drastic', 'draw', 'dream', 'dress', 'drift', 'drill', 'drink', 'drip', 'drive', 'drop', 'drum', 'dry', 'duck', 'dumb', 'dune', 'during', 'dust', 'dutch', 'duty', 'dwarf', 'dynamic', 'eager', 'eagle', 'early', 'earn', 'earth', 'easily', 'east', 'easy', 'echo', 'ecology', 'economy', 'edge', 'edit', 'educate', 'effort', 'egg', 'eight', 'either', 'elbow', 'elder', 'electric', 'elegant', 'element', 'elephant', 'elevator', 'elite', 'else', 'embark', 'embody', 'embrace', 'emerge', 'emotion', 'employ', 'empower', 'empty', 'enable', 'enact', 'end', 'endless', 'endorse', 'enemy', 'energy', 'enforce', 'engage', 'engine', 'enhance', 'enjoy', 'enlist', 'enough', 'enrich', 'enroll', 'ensure', 'enter', 'entire', 'entry', 'envelope', 'episode', 'equal', 'equip', 'era', 'erase', 'erode', 'erosion', 'error', 'erupt', 'escape', 'essay', 'essence', 'estate', 'eternal', 'ethics', 'evidence', 'evil', 'evoke', 'evolve', 'exact', 'example', 'excess', 'exchange', 'excite', 'exclude', 'excuse', 'execute', 'exercise', 'exhaust', 'exhibit', 'exile', 'exist', 'exit', 'exotic', 'expand', 'expect', 'expire', 'explain', 'expose', 'express', 'extend', 'extra', 'eye', 'eyebrow', 'fabric', 'face', 'faculty', 'fade', 'faint', 'faith', 'fall', 'false', 'fame', 'family', 'famous', 'fan', 'fancy', 'fantasy', 'farm', 'fashion', 'fat', 'fatal', 'father', 'fatigue', 'fault', 'favorite', 'feature', 'february', 'federal', 'fee', 'feed', 'feel', 'female', 'fence', 'festival', 'fetch', 'fever', 'few', 'fiber', 'fiction', 'field', 'figure', 'file', 'film', 'filter', 'final', 'find', 'fine', 'finger', 'finish', 'fire', 'firm', 'first', 'fiscal', 'fish', 'fit', 'fitness', 'fix', 'flag', 'flame', 'flash', 'flat', 'flavor', 'flee', 'flight', 'flip', 'float', 'flock', 'floor', 'flower', 'fluid', 'flush', 'fly', 'foam', 'focus', 'fog', 'foil', 'fold', 'follow', 'food', 'foot', 'force', 'forest', 'forget', 'fork', 'fortune', 'forum', 'forward', 'fossil', 'foster', 'found', 'fox', 'fragile', 'frame', 'frequent', 'fresh', 'friend', 'fringe', 'frog', 'front', 'frost', 'frown', 'frozen', 'fruit', 'fuel', 'fun', 'funny', 'furnace', 'fury', 'future', 'gadget', 'gain', 'galaxy', 'gallery', 'game', 'gap', 'garage', 'garbage', 'garden', 'garlic', 'garment', 'gas', 'gasp', 'gate', 'gather', 'gauge', 'gaze', 'general', 'genius', 'genre', 'gentle', 'genuine', 'gesture', 'ghost', 'giant', 'gift', 'giggle', 'ginger', 'giraffe', 'girl', 'give', 'glad', 'glance', 'glare', 'glass', 'glide', 'glimpse', 'globe', 'gloom', 'glory', 'glove', 'glow', 'glue', 'goat', 'goddess', 'gold', 'good', 'goose', 'gorilla', 'gospel', 'gossip', 'govern', 'gown', 'grab', 'grace', 'grain', 'grant', 'grape', 'grass', 'gravity', 'great', 'green', 'grid', 'grief', 'grit', 'grocery', 'group', 'grow', 'grunt', 'guard', 'guess', 'guide', 'guilt', 'guitar', 'gun', 'gym', 'habit', 'hair', 'half', 'hammer', 'hamster', 'hand', 'happy', 'harbor', 'hard', 'harsh', 'harvest', 'hat', 'have', 'hawk', 'hazard', 'head', 'health', 'heart', 'heavy', 'hedgehog', 'height', 'hello', 'helmet', 'help', 'hen', 'hero', 'hidden', 'high', 'hill', 'hint', 'hip', 'hire', 'history', 'hobby', 'hockey', 'hold', 'hole', 'holiday', 'hollow', 'home', 'honey', 'hood', 'hope', 'horn', 'horror', 'horse', 'hospital', 'host', 'hotel', 'hour', 'hover', 'hub', 'huge', 'human', 'humble', 'humor', 'hundred', 'hungry', 'hunt', 'hurdle', 'hurry', 'hurt', 'husband', 'hybrid', 'ice', 'icon', 'idea', 'identify', 'idle', 'ignore', 'ill', 'illegal', 'illness', 'image', 'imitate', 'immense', 'immune', 'impact', 'impose', 'improve', 'impulse', 'inch', 'include', 'income', 'increase', 'index', 'indicate', 'indoor', 'industry', 'infant', 'inflict', 'inform', 'inhale', 'inherit', 'initial', 'inject', 'injury', 'inmate', 'inner', 'innocent', 'input', 'inquiry', 'insane', 'insect', 'inside', 'inspire', 'install', 'intact', 'interest', 'into', 'invest', 'invite', 'involve', 'iron', 'island', 'isolate', 'issue', 'item', 'ivory', 'jacket', 'jaguar', 'jar', 'jazz', 'jealous', 'jeans', 'jelly', 'jewel', 'job', 'join', 'joke', 'journey', 'joy', 'judge', 'juice', 'jump', 'jungle', 'junior', 'junk', 'just', 'kangaroo', 'keen', 'keep', 'ketchup', 'key', 'kick', 'kid', 'kidney', 'kind', 'kingdom', 'kiss', 'kit', 'kitchen', 'kite', 'kitten', 'kiwi', 'knee', 'knife', 'knock', 'know', 'lab', 'label', 'labor', 'ladder', 'lady', 'lake', 'lamp', 'language', 'laptop', 'large', 'later', 'latin', 'laugh', 'laundry', 'lava', 'law', 'lawn', 'lawsuit', 'layer', 'lazy', 'leader', 'leaf', 'learn', 'leave', 'lecture', 'left', 'leg', 'legal', 'legend', 'leisure', 'lemon', 'lend', 'length', 'lens', 'leopard', 'lesson', 'letter', 'level', 'liar', 'liberty', 'library', 'license', 'life', 'lift', 'light', 'like', 'limb', 'limit', 'link', 'lion', 'liquid', 'list', 'little', 'live', 'lizard', 'load', 'loan', 'lobster', 'local', 'lock', 'logic', 'lonely', 'long', 'loop', 'lottery', 'loud', 'lounge', 'love', 'loyal', 'lucky', 'luggage', 'lumber', 'lunar', 'lunch', 'luxury', 'lyrics', 'machine', 'mad', 'magic', 'magnet', 'maid', 'mail', 'main', 'major', 'make', 'mammal', 'man', 'manage', 'mandate', 'mango', 'mansion', 'manual', 'maple', 'marble', 'march', 'margin', 'marine', 'market', 'marriage', 'mask', 'mass', 'master', 'match', 'material', 'math', 'matrix', 'matter', 'maximum', 'maze', 'meadow', 'mean', 'measure', 'meat', 'mechanic', 'medal', 'media', 'melody', 'melt', 'member', 'memory', 'mention', 'menu', 'mercy', 'merge', 'merit', 'merry', 'mesh', 'message', 'metal', 'method', 'middle', 'midnight', 'milk', 'million', 'mimic', 'mind', 'minimum', 'minor', 'minute', 'miracle', 'mirror', 'misery', 'miss', 'mistake', 'mix', 'mixed', 'mixture', 'mobile', 'model', 'modify', 'mom', 'moment', 'monitor', 'monkey', 'monster', 'month', 'moon', 'moral', 'more', 'morning', 'mosquito', 'mother', 'motion', 'motor', 'mountain', 'mouse', 'move', 'movie', 'much', 'muffin', 'mule', 'multiply', 'muscle', 'museum', 'mushroom', 'music', 'must', 'mutual', 'myself', 'mystery', 'myth', 'naive', 'name', 'napkin', 'narrow', 'nasty', 'nation', 'nature', 'near', 'neck', 'need', 'negative', 'neglect', 'neither', 'nephew', 'nerve', 'nest', 'net', 'network', 'neutral', 'never', 'news', 'next', 'nice', 'night', 'noble', 'noise', 'nominee', 'noodle', 'normal', 'north', 'nose', 'notable', 'note', 'nothing', 'notice', 'novel', 'now', 'nuclear', 'number', 'nurse', 'nut', 'oak', 'obey', 'object', 'oblige', 'obscure', 'observe', 'obtain', 'obvious', 'occur', 'ocean', 'october', 'odor', 'off', 'offer', 'office', 'often', 'oil', 'okay', 'old', 'olive', 'olympic', 'omit', 'once', 'one', 'onion', 'online', 'only', 'open', 'opera', 'opinion', 'oppose', 'option', 'orange', 'orbit', 'orchard', 'order', 'ordinary', 'organ', 'orient', 'original', 'orphan', 'ostrich', 'other', 'outdoor', 'outer', 'output', 'outside', 'oval', 'oven', 'over', 'own', 'owner', 'oxygen', 'oyster', 'ozone', 'pact', 'paddle', 'page', 'pair', 'palace', 'palm', 'panda', 'panel', 'panic', 'panther', 'paper', 'parade', 'parent', 'park', 'parrot', 'party', 'pass', 'patch', 'path', 'patient', 'patrol', 'pattern', 'pause', 'pave', 'payment', 'peace', 'peanut', 'pear', 'peasant', 'pelican', 'pen', 'penalty', 'pencil', 'people', 'pepper', 'perfect', 'permit', 'person', 'pet', 'phone', 'photo', 'phrase', 'physical', 'piano', 'picnic', 'picture', 'piece', 'pig', 'pigeon', 'pill', 'pilot', 'pink', 'pioneer', 'pipe', 'pistol', 'pitch', 'pizza', 'place', 'planet', 'plastic', 'plate', 'play', 'please', 'pledge', 'pluck', 'plug', 'plunge', 'poem', 'poet', 'point', 'polar', 'pole', 'police', 'pond', 'pony', 'pool', 'popular', 'portion', 'position', 'possible', 'post', 'potato', 'pottery', 'poverty', 'powder', 'power', 'practice', 'praise', 'predict', 'prefer', 'prepare', 'present', 'pretty', 'prevent', 'price', 'pride', 'primary', 'print', 'priority', 'prison', 'private', 'prize', 'problem', 'process', 'produce', 'profit', 'program', 'project', 'promote', 'proof', 'property', 'prosper', 'protect', 'proud', 'provide', 'public', 'pudding', 'pull', 'pulp', 'pulse', 'pumpkin', 'punch', 'pupil', 'puppy', 'purchase', 'purity', 'purpose', 'purse', 'push', 'put', 'puzzle', 'pyramid', 'quality', 'quantum', 'quarter', 'question', 'quick', 'quit', 'quiz', 'quote', 'rabbit', 'raccoon', 'race', 'rack', 'radar', 'radio', 'rail', 'rain', 'raise', 'rally', 'ramp', 'ranch', 'random', 'range', 'rapid', 'rare', 'rate', 'rather', 'raven', 'raw', 'razor', 'ready', 'real', 'reason', 'rebel', 'rebuild', 'recall', 'receive', 'recipe', 'record', 'recycle', 'reduce', 'reflect', 'reform', 'refuse', 'region', 'regret', 'regular', 'reject', 'relax', 'release', 'relief', 'rely', 'remain', 'remember', 'remind', 'remove', 'render', 'renew', 'rent', 'reopen', 'repair', 'repeat', 'replace', 'report', 'require', 'rescue', 'resemble', 'resist', 'resource', 'response', 'result', 'retire', 'retreat', 'return', 'reunion', 'reveal', 'review', 'reward', 'rhythm', 'rib', 'ribbon', 'rice', 'rich', 'ride', 'ridge', 'rifle', 'right', 'rigid', 'ring', 'riot', 'ripple', 'risk', 'ritual', 'rival', 'river', 'road', 'roast', 'robot', 'robust', 'rocket', 'romance', 'roof', 'rookie', 'room', 'rose', 'rotate', 'rough', 'round', 'route', 'royal', 'rubber', 'rude', 'rug', 'rule', 'run', 'runway', 'rural', 'sad', 'saddle', 'sadness', 'safe', 'sail', 'salad', 'salmon', 'salon', 'salt', 'salute', 'same', 'sample', 'sand', 'satisfy', 'satoshi', 'sauce', 'sausage', 'save', 'say', 'scale', 'scan', 'scare', 'scatter', 'scene', 'scheme', 'school', 'science', 'scissors', 'scorpion', 'scout', 'scrap', 'screen', 'script', 'scrub', 'sea', 'search', 'season', 'seat', 'second', 'secret', 'section', 'security', 'seed', 'seek', 'segment', 'select', 'sell', 'seminar', 'senior', 'sense', 'sentence', 'series', 'service', 'session', 'settle', 'setup', 'seven', 'shadow', 'shaft', 'shallow', 'share', 'shed', 'shell', 'sheriff', 'shield', 'shift', 'shine', 'ship', 'shiver', 'shock', 'shoe', 'shoot', 'shop', 'short', 'shoulder', 'shove', 'shrimp', 'shrug', 'shuffle', 'shy', 'sibling', 'sick', 'side', 'siege', 'sight', 'sign', 'silent', 'silk', 'silly', 'silver', 'similar', 'simple', 'since', 'sing', 'siren', 'sister', 'situate', 'six', 'size', 'skate', 'sketch', 'ski', 'skill', 'skin', 'skirt', 'skull', 'slab', 'slam', 'sleep', 'slender', 'slice', 'slide', 'slight', 'slim', 'slogan', 'slot', 'slow', 'slush', 'small', 'smart', 'smile', 'smoke', 'smooth', 'snack', 'snake', 'snap', 'sniff', 'snow', 'soap', 'soccer', 'social', 'sock', 'soda', 'soft', 'solar', 'soldier', 'solid', 'solution', 'solve', 'someone', 'song', 'soon', 'sorry', 'sort', 'soul', 'sound', 'soup', 'source', 'south', 'space', 'spare', 'spatial', 'spawn', 'speak', 'special', 'speed', 'spell', 'spend', 'sphere', 'spice', 'spider', 'spike', 'spin', 'spirit', 'split', 'spoil', 'sponsor', 'spoon', 'sport', 'spot', 'spray', 'spread', 'spring', 'spy', 'square', 'squeeze', 'squirrel', 'stable', 'stadium', 'staff', 'stage', 'stairs', 'stamp', 'stand', 'start', 'state', 'stay', 'steak', 'steel', 'stem', 'step', 'stereo', 'stick', 'still', 'sting', 'stock', 'stomach', 'stone', 'stool', 'story', 'stove', 'strategy', 'street', 'strike', 'strong', 'struggle', 'student', 'stuff', 'stumble', 'style', 'subject', 'submit', 'subway', 'success', 'such', 'sudden', 'suffer', 'sugar', 'suggest', 'suit', 'summer', 'sun', 'sunny', 'sunset', 'super', 'supply', 'supreme', 'sure', 'surface', 'surge', 'surprise', 'surround', 'survey', 'suspect', 'sustain', 'swallow', 'swamp', 'swap', 'swarm', 'swear', 'sweet', 'swift', 'swim', 'swing', 'switch', 'sword', 'symbol', 'symptom', 'syrup', 'system', 'table', 'tackle', 'tag', 'tail', 'talent', 'talk', 'tank', 'tape', 'target', 'task', 'taste', 'tattoo', 'taxi', 'teach', 'team', 'tell', 'ten', 'tenant', 'tennis', 'tent', 'term', 'test', 'text', 'thank', 'that', 'theme', 'then', 'theory', 'there', 'they', 'thing', 'this', 'thought', 'three', 'thrive', 'throw', 'thumb', 'thunder', 'ticket', 'tide', 'tiger', 'tilt', 'timber', 'time', 'tiny', 'tip', 'tired', 'tissue', 'title', 'toast', 'tobacco', 'today', 'toddler', 'toe', 'together', 'toilet', 'token', 'tomato', 'tomorrow', 'tone', 'tongue', 'tonight', 'tool', 'tooth', 'top', 'topic', 'topple', 'torch', 'tornado', 'tortoise', 'toss', 'total', 'tourist', 'toward', 'tower', 'town', 'toy', 'track', 'trade', 'traffic', 'tragic', 'train', 'transfer', 'trap', 'trash', 'travel', 'tray', 'treat', 'tree', 'trend', 'trial', 'tribe', 'trick', 'trigger', 'trim', 'trip', 'trophy', 'trouble', 'truck', 'true', 'truly', 'trumpet', 'trust', 'truth', 'try', 'tube', 'tuition', 'tumble', 'tuna', 'tunnel', 'turkey', 'turn', 'turtle', 'twelve', 'twenty', 'twice', 'twin', 'twist', 'two', 'type', 'typical', 'ugly', 'umbrella', 'unable', 'unaware', 'uncle', 'uncover', 'under', 'undo', 'unfair', 'unfold', 'unhappy', 'uniform', 'unique', 'unit', 'universe', 'unknown', 'unlock', 'until', 'unusual', 'unveil', 'update', 'upgrade', 'uphold', 'upon', 'upper', 'upset', 'urban', 'urge', 'usage', 'use', 'used', 'useful', 'useless', 'usual', 'utility', 'vacant', 'vacuum', 'vague', 'valid', 'valley', 'valve', 'van', 'vanish', 'vapor', 'various', 'vast', 'vault', 'vehicle', 'velvet', 'vendor', 'venture', 'venue', 'verb', 'verify', 'version', 'very', 'vessel', 'veteran', 'viable', 'vibrant', 'vicious', 'victory', 'video', 'view', 'village', 'vintage', 'violin', 'virtual', 'virus', 'visa', 'visit', 'visual', 'vital', 'vivid', 'vocal', 'voice', 'void', 'volcano', 'volume', 'vote', 'voyage', 'wage', 'wagon', 'wait', 'walk', 'wall', 'walnut', 'want', 'warfare', 'warm', 'warrior', 'wash', 'wasp', 'waste', 'water', 'wave', 'way', 'wealth', 'weapon', 'wear', 'weasel', 'weather', 'web', 'wedding', 'weekend', 'weird', 'welcome', 'west', 'wet', 'whale', 'what', 'wheat', 'wheel', 'when', 'where', 'whip', 'whisper', 'wide', 'width', 'wife', 'wild', 'will', 'win', 'window', 'wine', 'wing', 'wink', 'winner', 'winter', 'wire', 'wisdom', 'wise', 'wish', 'witness', 'wolf', 'woman', 'wonder', 'wood', 'wool', 'word', 'work', 'world', 'worry', 'worth', 'wrap', 'wreck', 'wrestle', 'wrist', 'write', 'wrong', 'yard', 'year', 'yellow', 'you', 'young', 'youth', 'zebra', 'zero', 'zone', 'zoo'];
+
+module.exports = english;
+},{}],241:[function(require,module,exports){
+'use string';
+
+var french = ['abaisser', 'abandon', 'abdiquer', 'abeille', 'abolir', 'aborder', 'aboutir', 'aboyer', 'abrasif', 'abreuver', 'abriter', 'abroger', 'abrupt', 'absence', 'absolu', 'absurde', 'abusif', 'abyssal', 'académie', 'acajou', 'acarien', 'accabler', 'accepter', 'acclamer', 'accolade', 'accroche', 'accuser', 'acerbe', 'achat', 'acheter', 'aciduler', 'acier', 'acompte', 'acquérir', 'acronyme', 'acteur', 'actif', 'actuel', 'adepte', 'adéquat', 'adhésif', 'adjectif', 'adjuger', 'admettre', 'admirer', 'adopter', 'adorer', 'adoucir', 'adresse', 'adroit', 'adulte', 'adverbe', 'aérer', 'aéronef', 'affaire', 'affecter', 'affiche', 'affreux', 'affubler', 'agacer', 'agencer', 'agile', 'agiter', 'agrafer', 'agréable', 'agrume', 'aider', 'aiguille', 'ailier', 'aimable', 'aisance', 'ajouter', 'ajuster', 'alarmer', 'alchimie', 'alerte', 'algèbre', 'algue', 'aliéner', 'aliment', 'alléger', 'alliage', 'allouer', 'allumer', 'alourdir', 'alpaga', 'altesse', 'alvéole', 'amateur', 'ambigu', 'ambre', 'aménager', 'amertume', 'amidon', 'amiral', 'amorcer', 'amour', 'amovible', 'amphibie', 'ampleur', 'amusant', 'analyse', 'anaphore', 'anarchie', 'anatomie', 'ancien', 'anéantir', 'angle', 'angoisse', 'anguleux', 'animal', 'annexer', 'annonce', 'annuel', 'anodin', 'anomalie', 'anonyme', 'anormal', 'antenne', 'antidote', 'anxieux', 'apaiser', 'apéritif', 'aplanir', 'apologie', 'appareil', 'appeler', 'apporter', 'appuyer', 'aquarium', 'aqueduc', 'arbitre', 'arbuste', 'ardeur', 'ardoise', 'argent', 'arlequin', 'armature', 'armement', 'armoire', 'armure', 'arpenter', 'arracher', 'arriver', 'arroser', 'arsenic', 'artériel', 'article', 'aspect', 'asphalte', 'aspirer', 'assaut', 'asservir', 'assiette', 'associer', 'assurer', 'asticot', 'astre', 'astuce', 'atelier', 'atome', 'atrium', 'atroce', 'attaque', 'attentif', 'attirer', 'attraper', 'aubaine', 'auberge', 'audace', 'audible', 'augurer', 'aurore', 'automne', 'autruche', 'avaler', 'avancer', 'avarice', 'avenir', 'averse', 'aveugle', 'aviateur', 'avide', 'avion', 'aviser', 'avoine', 'avouer', 'avril', 'axial', 'axiome', 'badge', 'bafouer', 'bagage', 'baguette', 'baignade', 'balancer', 'balcon', 'baleine', 'balisage', 'bambin', 'bancaire', 'bandage', 'banlieue', 'bannière', 'banquier', 'barbier', 'baril', 'baron', 'barque', 'barrage', 'bassin', 'bastion', 'bataille', 'bateau', 'batterie', 'baudrier', 'bavarder', 'belette', 'bélier', 'belote', 'bénéfice', 'berceau', 'berger', 'berline', 'bermuda', 'besace', 'besogne', 'bétail', 'beurre', 'biberon', 'bicycle', 'bidule', 'bijou', 'bilan', 'bilingue', 'billard', 'binaire', 'biologie', 'biopsie', 'biotype', 'biscuit', 'bison', 'bistouri', 'bitume', 'bizarre', 'blafard', 'blague', 'blanchir', 'blessant', 'blinder', 'blond', 'bloquer', 'blouson', 'bobard', 'bobine', 'boire', 'boiser', 'bolide', 'bonbon', 'bondir', 'bonheur', 'bonifier', 'bonus', 'bordure', 'borne', 'botte', 'boucle', 'boueux', 'bougie', 'boulon', 'bouquin', 'bourse', 'boussole', 'boutique', 'boxeur', 'branche', 'brasier', 'brave', 'brebis', 'brèche', 'breuvage', 'bricoler', 'brigade', 'brillant', 'brioche', 'brique', 'brochure', 'broder', 'bronzer', 'brousse', 'broyeur', 'brume', 'brusque', 'brutal', 'bruyant', 'buffle', 'buisson', 'bulletin', 'bureau', 'burin', 'bustier', 'butiner', 'butoir', 'buvable', 'buvette', 'cabanon', 'cabine', 'cachette', 'cadeau', 'cadre', 'caféine', 'caillou', 'caisson', 'calculer', 'calepin', 'calibre', 'calmer', 'calomnie', 'calvaire', 'camarade', 'caméra', 'camion', 'campagne', 'canal', 'caneton', 'canon', 'cantine', 'canular', 'capable', 'caporal', 'caprice', 'capsule', 'capter', 'capuche', 'carabine', 'carbone', 'caresser', 'caribou', 'carnage', 'carotte', 'carreau', 'carton', 'cascade', 'casier', 'casque', 'cassure', 'causer', 'caution', 'cavalier', 'caverne', 'caviar', 'cédille', 'ceinture', 'céleste', 'cellule', 'cendrier', 'censurer', 'central', 'cercle', 'cérébral', 'cerise', 'cerner', 'cerveau', 'cesser', 'chagrin', 'chaise', 'chaleur', 'chambre', 'chance', 'chapitre', 'charbon', 'chasseur', 'chaton', 'chausson', 'chavirer', 'chemise', 'chenille', 'chéquier', 'chercher', 'cheval', 'chien', 'chiffre', 'chignon', 'chimère', 'chiot', 'chlorure', 'chocolat', 'choisir', 'chose', 'chouette', 'chrome', 'chute', 'cigare', 'cigogne', 'cimenter', 'cinéma', 'cintrer', 'circuler', 'cirer', 'cirque', 'citerne', 'citoyen', 'citron', 'civil', 'clairon', 'clameur', 'claquer', 'classe', 'clavier', 'client', 'cligner', 'climat', 'clivage', 'cloche', 'clonage', 'cloporte', 'cobalt', 'cobra', 'cocasse', 'cocotier', 'coder', 'codifier', 'coffre', 'cogner', 'cohésion', 'coiffer', 'coincer', 'colère', 'colibri', 'colline', 'colmater', 'colonel', 'combat', 'comédie', 'commande', 'compact', 'concert', 'conduire', 'confier', 'congeler', 'connoter', 'consonne', 'contact', 'convexe', 'copain', 'copie', 'corail', 'corbeau', 'cordage', 'corniche', 'corpus', 'correct', 'cortège', 'cosmique', 'costume', 'coton', 'coude', 'coupure', 'courage', 'couteau', 'couvrir', 'coyote', 'crabe', 'crainte', 'cravate', 'crayon', 'créature', 'créditer', 'crémeux', 'creuser', 'crevette', 'cribler', 'crier', 'cristal', 'critère', 'croire', 'croquer', 'crotale', 'crucial', 'cruel', 'crypter', 'cubique', 'cueillir', 'cuillère', 'cuisine', 'cuivre', 'culminer', 'cultiver', 'cumuler', 'cupide', 'curatif', 'curseur', 'cyanure', 'cycle', 'cylindre', 'cynique', 'daigner', 'damier', 'danger', 'danseur', 'dauphin', 'débattre', 'débiter', 'déborder', 'débrider', 'débutant', 'décaler', 'décembre', 'déchirer', 'décider', 'déclarer', 'décorer', 'décrire', 'décupler', 'dédale', 'déductif', 'déesse', 'défensif', 'défiler', 'défrayer', 'dégager', 'dégivrer', 'déglutir', 'dégrafer', 'déjeuner', 'délice', 'déloger', 'demander', 'demeurer', 'démolir', 'dénicher', 'dénouer', 'dentelle', 'dénuder', 'départ', 'dépenser', 'déphaser', 'déplacer', 'déposer', 'déranger', 'dérober', 'désastre', 'descente', 'désert', 'désigner', 'désobéir', 'dessiner', 'destrier', 'détacher', 'détester', 'détourer', 'détresse', 'devancer', 'devenir', 'deviner', 'devoir', 'diable', 'dialogue', 'diamant', 'dicter', 'différer', 'digérer', 'digital', 'digne', 'diluer', 'dimanche', 'diminuer', 'dioxyde', 'directif', 'diriger', 'discuter', 'disposer', 'dissiper', 'distance', 'divertir', 'diviser', 'docile', 'docteur', 'dogme', 'doigt', 'domaine', 'domicile', 'dompter', 'donateur', 'donjon', 'donner', 'dopamine', 'dortoir', 'dorure', 'dosage', 'doseur', 'dossier', 'dotation', 'douanier', 'double', 'douceur', 'douter', 'doyen', 'dragon', 'draper', 'dresser', 'dribbler', 'droiture', 'duperie', 'duplexe', 'durable', 'durcir', 'dynastie', 'éblouir', 'écarter', 'écharpe', 'échelle', 'éclairer', 'éclipse', 'éclore', 'écluse', 'école', 'économie', 'écorce', 'écouter', 'écraser', 'écrémer', 'écrivain', 'écrou', 'écume', 'écureuil', 'édifier', 'éduquer', 'effacer', 'effectif', 'effigie', 'effort', 'effrayer', 'effusion', 'égaliser', 'égarer', 'éjecter', 'élaborer', 'élargir', 'électron', 'élégant', 'éléphant', 'élève', 'éligible', 'élitisme', 'éloge', 'élucider', 'éluder', 'emballer', 'embellir', 'embryon', 'émeraude', 'émission', 'emmener', 'émotion', 'émouvoir', 'empereur', 'employer', 'emporter', 'emprise', 'émulsion', 'encadrer', 'enchère', 'enclave', 'encoche', 'endiguer', 'endosser', 'endroit', 'enduire', 'énergie', 'enfance', 'enfermer', 'enfouir', 'engager', 'engin', 'englober', 'énigme', 'enjamber', 'enjeu', 'enlever', 'ennemi', 'ennuyeux', 'enrichir', 'enrobage', 'enseigne', 'entasser', 'entendre', 'entier', 'entourer', 'entraver', 'énumérer', 'envahir', 'enviable', 'envoyer', 'enzyme', 'éolien', 'épaissir', 'épargne', 'épatant', 'épaule', 'épicerie', 'épidémie', 'épier', 'épilogue', 'épine', 'épisode', 'épitaphe', 'époque', 'épreuve', 'éprouver', 'épuisant', 'équerre', 'équipe', 'ériger', 'érosion', 'erreur', 'éruption', 'escalier', 'espadon', 'espèce', 'espiègle', 'espoir', 'esprit', 'esquiver', 'essayer', 'essence', 'essieu', 'essorer', 'estime', 'estomac', 'estrade', 'étagère', 'étaler', 'étanche', 'étatique', 'éteindre', 'étendoir', 'éternel', 'éthanol', 'éthique', 'ethnie', 'étirer', 'étoffer', 'étoile', 'étonnant', 'étourdir', 'étrange', 'étroit', 'étude', 'euphorie', 'évaluer', 'évasion', 'éventail', 'évidence', 'éviter', 'évolutif', 'évoquer', 'exact', 'exagérer', 'exaucer', 'exceller', 'excitant', 'exclusif', 'excuse', 'exécuter', 'exemple', 'exercer', 'exhaler', 'exhorter', 'exigence', 'exiler', 'exister', 'exotique', 'expédier', 'explorer', 'exposer', 'exprimer', 'exquis', 'extensif', 'extraire', 'exulter', 'fable', 'fabuleux', 'facette', 'facile', 'facture', 'faiblir', 'falaise', 'fameux', 'famille', 'farceur', 'farfelu', 'farine', 'farouche', 'fasciner', 'fatal', 'fatigue', 'faucon', 'fautif', 'faveur', 'favori', 'fébrile', 'féconder', 'fédérer', 'félin', 'femme', 'fémur', 'fendoir', 'féodal', 'fermer', 'féroce', 'ferveur', 'festival', 'feuille', 'feutre', 'février', 'fiasco', 'ficeler', 'fictif', 'fidèle', 'figure', 'filature', 'filetage', 'filière', 'filleul', 'filmer', 'filou', 'filtrer', 'financer', 'finir', 'fiole', 'firme', 'fissure', 'fixer', 'flairer', 'flamme', 'flasque', 'flatteur', 'fléau', 'flèche', 'fleur', 'flexion', 'flocon', 'flore', 'fluctuer', 'fluide', 'fluvial', 'folie', 'fonderie', 'fongible', 'fontaine', 'forcer', 'forgeron', 'formuler', 'fortune', 'fossile', 'foudre', 'fougère', 'fouiller', 'foulure', 'fourmi', 'fragile', 'fraise', 'franchir', 'frapper', 'frayeur', 'frégate', 'freiner', 'frelon', 'frémir', 'frénésie', 'frère', 'friable', 'friction', 'frisson', 'frivole', 'froid', 'fromage', 'frontal', 'frotter', 'fruit', 'fugitif', 'fuite', 'fureur', 'furieux', 'furtif', 'fusion', 'futur', 'gagner', 'galaxie', 'galerie', 'gambader', 'garantir', 'gardien', 'garnir', 'garrigue', 'gazelle', 'gazon', 'géant', 'gélatine', 'gélule', 'gendarme', 'général', 'génie', 'genou', 'gentil', 'géologie', 'géomètre', 'géranium', 'germe', 'gestuel', 'geyser', 'gibier', 'gicler', 'girafe', 'givre', 'glace', 'glaive', 'glisser', 'globe', 'gloire', 'glorieux', 'golfeur', 'gomme', 'gonfler', 'gorge', 'gorille', 'goudron', 'gouffre', 'goulot', 'goupille', 'gourmand', 'goutte', 'graduel', 'graffiti', 'graine', 'grand', 'grappin', 'gratuit', 'gravir', 'grenat', 'griffure', 'griller', 'grimper', 'grogner', 'gronder', 'grotte', 'groupe', 'gruger', 'grutier', 'gruyère', 'guépard', 'guerrier', 'guide', 'guimauve', 'guitare', 'gustatif', 'gymnaste', 'gyrostat', 'habitude', 'hachoir', 'halte', 'hameau', 'hangar', 'hanneton', 'haricot', 'harmonie', 'harpon', 'hasard', 'hélium', 'hématome', 'herbe', 'hérisson', 'hermine', 'héron', 'hésiter', 'heureux', 'hiberner', 'hibou', 'hilarant', 'histoire', 'hiver', 'homard', 'hommage', 'homogène', 'honneur', 'honorer', 'honteux', 'horde', 'horizon', 'horloge', 'hormone', 'horrible', 'houleux', 'housse', 'hublot', 'huileux', 'humain', 'humble', 'humide', 'humour', 'hurler', 'hydromel', 'hygiène', 'hymne', 'hypnose', 'idylle', 'ignorer', 'iguane', 'illicite', 'illusion', 'image', 'imbiber', 'imiter', 'immense', 'immobile', 'immuable', 'impact', 'impérial', 'implorer', 'imposer', 'imprimer', 'imputer', 'incarner', 'incendie', 'incident', 'incliner', 'incolore', 'indexer', 'indice', 'inductif', 'inédit', 'ineptie', 'inexact', 'infini', 'infliger', 'informer', 'infusion', 'ingérer', 'inhaler', 'inhiber', 'injecter', 'injure', 'innocent', 'inoculer', 'inonder', 'inscrire', 'insecte', 'insigne', 'insolite', 'inspirer', 'instinct', 'insulter', 'intact', 'intense', 'intime', 'intrigue', 'intuitif', 'inutile', 'invasion', 'inventer', 'inviter', 'invoquer', 'ironique', 'irradier', 'irréel', 'irriter', 'isoler', 'ivoire', 'ivresse', 'jaguar', 'jaillir', 'jambe', 'janvier', 'jardin', 'jauger', 'jaune', 'javelot', 'jetable', 'jeton', 'jeudi', 'jeunesse', 'joindre', 'joncher', 'jongler', 'joueur', 'jouissif', 'journal', 'jovial', 'joyau', 'joyeux', 'jubiler', 'jugement', 'junior', 'jupon', 'juriste', 'justice', 'juteux', 'juvénile', 'kayak', 'kimono', 'kiosque', 'label', 'labial', 'labourer', 'lacérer', 'lactose', 'lagune', 'laine', 'laisser', 'laitier', 'lambeau', 'lamelle', 'lampe', 'lanceur', 'langage', 'lanterne', 'lapin', 'largeur', 'larme', 'laurier', 'lavabo', 'lavoir', 'lecture', 'légal', 'léger', 'légume', 'lessive', 'lettre', 'levier', 'lexique', 'lézard', 'liasse', 'libérer', 'libre', 'licence', 'licorne', 'liège', 'lièvre', 'ligature', 'ligoter', 'ligue', 'limer', 'limite', 'limonade', 'limpide', 'linéaire', 'lingot', 'lionceau', 'liquide', 'lisière', 'lister', 'lithium', 'litige', 'littoral', 'livreur', 'logique', 'lointain', 'loisir', 'lombric', 'loterie', 'louer', 'lourd', 'loutre', 'louve', 'loyal', 'lubie', 'lucide', 'lucratif', 'lueur', 'lugubre', 'luisant', 'lumière', 'lunaire', 'lundi', 'luron', 'lutter', 'luxueux', 'machine', 'magasin', 'magenta', 'magique', 'maigre', 'maillon', 'maintien', 'mairie', 'maison', 'majorer', 'malaxer', 'maléfice', 'malheur', 'malice', 'mallette', 'mammouth', 'mandater', 'maniable', 'manquant', 'manteau', 'manuel', 'marathon', 'marbre', 'marchand', 'mardi', 'maritime', 'marqueur', 'marron', 'marteler', 'mascotte', 'massif', 'matériel', 'matière', 'matraque', 'maudire', 'maussade', 'mauve', 'maximal', 'méchant', 'méconnu', 'médaille', 'médecin', 'méditer', 'méduse', 'meilleur', 'mélange', 'mélodie', 'membre', 'mémoire', 'menacer', 'mener', 'menhir', 'mensonge', 'mentor', 'mercredi', 'mérite', 'merle', 'messager', 'mesure', 'métal', 'météore', 'méthode', 'métier', 'meuble', 'miauler', 'microbe', 'miette', 'mignon', 'migrer', 'milieu', 'million', 'mimique', 'mince', 'minéral', 'minimal', 'minorer', 'minute', 'miracle', 'miroiter', 'missile', 'mixte', 'mobile', 'moderne', 'moelleux', 'mondial', 'moniteur', 'monnaie', 'monotone', 'monstre', 'montagne', 'monument', 'moqueur', 'morceau', 'morsure', 'mortier', 'moteur', 'motif', 'mouche', 'moufle', 'moulin', 'mousson', 'mouton', 'mouvant', 'multiple', 'munition', 'muraille', 'murène', 'murmure', 'muscle', 'muséum', 'musicien', 'mutation', 'muter', 'mutuel', 'myriade', 'myrtille', 'mystère', 'mythique', 'nageur', 'nappe', 'narquois', 'narrer', 'natation', 'nation', 'nature', 'naufrage', 'nautique', 'navire', 'nébuleux', 'nectar', 'néfaste', 'négation', 'négliger', 'négocier', 'neige', 'nerveux', 'nettoyer', 'neurone', 'neutron', 'neveu', 'niche', 'nickel', 'nitrate', 'niveau', 'noble', 'nocif', 'nocturne', 'noirceur', 'noisette', 'nomade', 'nombreux', 'nommer', 'normatif', 'notable', 'notifier', 'notoire', 'nourrir', 'nouveau', 'novateur', 'novembre', 'novice', 'nuage', 'nuancer', 'nuire', 'nuisible', 'numéro', 'nuptial', 'nuque', 'nutritif', 'obéir', 'objectif', 'obliger', 'obscur', 'observer', 'obstacle', 'obtenir', 'obturer', 'occasion', 'occuper', 'océan', 'octobre', 'octroyer', 'octupler', 'oculaire', 'odeur', 'odorant', 'offenser', 'officier', 'offrir', 'ogive', 'oiseau', 'oisillon', 'olfactif', 'olivier', 'ombrage', 'omettre', 'onctueux', 'onduler', 'onéreux', 'onirique', 'opale', 'opaque', 'opérer', 'opinion', 'opportun', 'opprimer', 'opter', 'optique', 'orageux', 'orange', 'orbite', 'ordonner', 'oreille', 'organe', 'orgueil', 'orifice', 'ornement', 'orque', 'ortie', 'osciller', 'osmose', 'ossature', 'otarie', 'ouragan', 'ourson', 'outil', 'outrager', 'ouvrage', 'ovation', 'oxyde', 'oxygène', 'ozone', 'paisible', 'palace', 'palmarès', 'palourde', 'palper', 'panache', 'panda', 'pangolin', 'paniquer', 'panneau', 'panorama', 'pantalon', 'papaye', 'papier', 'papoter', 'papyrus', 'paradoxe', 'parcelle', 'paresse', 'parfumer', 'parler', 'parole', 'parrain', 'parsemer', 'partager', 'parure', 'parvenir', 'passion', 'pastèque', 'paternel', 'patience', 'patron', 'pavillon', 'pavoiser', 'payer', 'paysage', 'peigne', 'peintre', 'pelage', 'pélican', 'pelle', 'pelouse', 'peluche', 'pendule', 'pénétrer', 'pénible', 'pensif', 'pénurie', 'pépite', 'péplum', 'perdrix', 'perforer', 'période', 'permuter', 'perplexe', 'persil', 'perte', 'peser', 'pétale', 'petit', 'pétrir', 'peuple', 'pharaon', 'phobie', 'phoque', 'photon', 'phrase', 'physique', 'piano', 'pictural', 'pièce', 'pierre', 'pieuvre', 'pilote', 'pinceau', 'pipette', 'piquer', 'pirogue', 'piscine', 'piston', 'pivoter', 'pixel', 'pizza', 'placard', 'plafond', 'plaisir', 'planer', 'plaque', 'plastron', 'plateau', 'pleurer', 'plexus', 'pliage', 'plomb', 'plonger', 'pluie', 'plumage', 'pochette', 'poésie', 'poète', 'pointe', 'poirier', 'poisson', 'poivre', 'polaire', 'policier', 'pollen', 'polygone', 'pommade', 'pompier', 'ponctuel', 'pondérer', 'poney', 'portique', 'position', 'posséder', 'posture', 'potager', 'poteau', 'potion', 'pouce', 'poulain', 'poumon', 'pourpre', 'poussin', 'pouvoir', 'prairie', 'pratique', 'précieux', 'prédire', 'préfixe', 'prélude', 'prénom', 'présence', 'prétexte', 'prévoir', 'primitif', 'prince', 'prison', 'priver', 'problème', 'procéder', 'prodige', 'profond', 'progrès', 'proie', 'projeter', 'prologue', 'promener', 'propre', 'prospère', 'protéger', 'prouesse', 'proverbe', 'prudence', 'pruneau', 'psychose', 'public', 'puceron', 'puiser', 'pulpe', 'pulsar', 'punaise', 'punitif', 'pupitre', 'purifier', 'puzzle', 'pyramide', 'quasar', 'querelle', 'question', 'quiétude', 'quitter', 'quotient', 'racine', 'raconter', 'radieux', 'ragondin', 'raideur', 'raisin', 'ralentir', 'rallonge', 'ramasser', 'rapide', 'rasage', 'ratisser', 'ravager', 'ravin', 'rayonner', 'réactif', 'réagir', 'réaliser', 'réanimer', 'recevoir', 'réciter', 'réclamer', 'récolter', 'recruter', 'reculer', 'recycler', 'rédiger', 'redouter', 'refaire', 'réflexe', 'réformer', 'refrain', 'refuge', 'régalien', 'région', 'réglage', 'régulier', 'réitérer', 'rejeter', 'rejouer', 'relatif', 'relever', 'relief', 'remarque', 'remède', 'remise', 'remonter', 'remplir', 'remuer', 'renard', 'renfort', 'renifler', 'renoncer', 'rentrer', 'renvoi', 'replier', 'reporter', 'reprise', 'reptile', 'requin', 'réserve', 'résineux', 'résoudre', 'respect', 'rester', 'résultat', 'rétablir', 'retenir', 'réticule', 'retomber', 'retracer', 'réunion', 'réussir', 'revanche', 'revivre', 'révolte', 'révulsif', 'richesse', 'rideau', 'rieur', 'rigide', 'rigoler', 'rincer', 'riposter', 'risible', 'risque', 'rituel', 'rival', 'rivière', 'rocheux', 'romance', 'rompre', 'ronce', 'rondin', 'roseau', 'rosier', 'rotatif', 'rotor', 'rotule', 'rouge', 'rouille', 'rouleau', 'routine', 'royaume', 'ruban', 'rubis', 'ruche', 'ruelle', 'rugueux', 'ruiner', 'ruisseau', 'ruser', 'rustique', 'rythme', 'sabler', 'saboter', 'sabre', 'sacoche', 'safari', 'sagesse', 'saisir', 'salade', 'salive', 'salon', 'saluer', 'samedi', 'sanction', 'sanglier', 'sarcasme', 'sardine', 'saturer', 'saugrenu', 'saumon', 'sauter', 'sauvage', 'savant', 'savonner', 'scalpel', 'scandale', 'scélérat', 'scénario', 'sceptre', 'schéma', 'science', 'scinder', 'score', 'scrutin', 'sculpter', 'séance', 'sécable', 'sécher', 'secouer', 'sécréter', 'sédatif', 'séduire', 'seigneur', 'séjour', 'sélectif', 'semaine', 'sembler', 'semence', 'séminal', 'sénateur', 'sensible', 'sentence', 'séparer', 'séquence', 'serein', 'sergent', 'sérieux', 'serrure', 'sérum', 'service', 'sésame', 'sévir', 'sevrage', 'sextuple', 'sidéral', 'siècle', 'siéger', 'siffler', 'sigle', 'signal', 'silence', 'silicium', 'simple', 'sincère', 'sinistre', 'siphon', 'sirop', 'sismique', 'situer', 'skier', 'social', 'socle', 'sodium', 'soigneux', 'soldat', 'soleil', 'solitude', 'soluble', 'sombre', 'sommeil', 'somnoler', 'sonde', 'songeur', 'sonnette', 'sonore', 'sorcier', 'sortir', 'sosie', 'sottise', 'soucieux', 'soudure', 'souffle', 'soulever', 'soupape', 'source', 'soutirer', 'souvenir', 'spacieux', 'spatial', 'spécial', 'sphère', 'spiral', 'stable', 'station', 'sternum', 'stimulus', 'stipuler', 'strict', 'studieux', 'stupeur', 'styliste', 'sublime', 'substrat', 'subtil', 'subvenir', 'succès', 'sucre', 'suffixe', 'suggérer', 'suiveur', 'sulfate', 'superbe', 'supplier', 'surface', 'suricate', 'surmener', 'surprise', 'sursaut', 'survie', 'suspect', 'syllabe', 'symbole', 'symétrie', 'synapse', 'syntaxe', 'système', 'tabac', 'tablier', 'tactile', 'tailler', 'talent', 'talisman', 'talonner', 'tambour', 'tamiser', 'tangible', 'tapis', 'taquiner', 'tarder', 'tarif', 'tartine', 'tasse', 'tatami', 'tatouage', 'taupe', 'taureau', 'taxer', 'témoin', 'temporel', 'tenaille', 'tendre', 'teneur', 'tenir', 'tension', 'terminer', 'terne', 'terrible', 'tétine', 'texte', 'thème', 'théorie', 'thérapie', 'thorax', 'tibia', 'tiède', 'timide', 'tirelire', 'tiroir', 'tissu', 'titane', 'titre', 'tituber', 'toboggan', 'tolérant', 'tomate', 'tonique', 'tonneau', 'toponyme', 'torche', 'tordre', 'tornade', 'torpille', 'torrent', 'torse', 'tortue', 'totem', 'toucher', 'tournage', 'tousser', 'toxine', 'traction', 'trafic', 'tragique', 'trahir', 'train', 'trancher', 'travail', 'trèfle', 'tremper', 'trésor', 'treuil', 'triage', 'tribunal', 'tricoter', 'trilogie', 'triomphe', 'tripler', 'triturer', 'trivial', 'trombone', 'tronc', 'tropical', 'troupeau', 'tuile', 'tulipe', 'tumulte', 'tunnel', 'turbine', 'tuteur', 'tutoyer', 'tuyau', 'tympan', 'typhon', 'typique', 'tyran', 'ubuesque', 'ultime', 'ultrason', 'unanime', 'unifier', 'union', 'unique', 'unitaire', 'univers', 'uranium', 'urbain', 'urticant', 'usage', 'usine', 'usuel', 'usure', 'utile', 'utopie', 'vacarme', 'vaccin', 'vagabond', 'vague', 'vaillant', 'vaincre', 'vaisseau', 'valable', 'valise', 'vallon', 'valve', 'vampire', 'vanille', 'vapeur', 'varier', 'vaseux', 'vassal', 'vaste', 'vecteur', 'vedette', 'végétal', 'véhicule', 'veinard', 'véloce', 'vendredi', 'vénérer', 'venger', 'venimeux', 'ventouse', 'verdure', 'vérin', 'vernir', 'verrou', 'verser', 'vertu', 'veston', 'vétéran', 'vétuste', 'vexant', 'vexer', 'viaduc', 'viande', 'victoire', 'vidange', 'vidéo', 'vignette', 'vigueur', 'vilain', 'village', 'vinaigre', 'violon', 'vipère', 'virement', 'virtuose', 'virus', 'visage', 'viseur', 'vision', 'visqueux', 'visuel', 'vital', 'vitesse', 'viticole', 'vitrine', 'vivace', 'vivipare', 'vocation', 'voguer', 'voile', 'voisin', 'voiture', 'volaille', 'volcan', 'voltiger', 'volume', 'vorace', 'vortex', 'voter', 'vouloir', 'voyage', 'voyelle', 'wagon', 'xénon', 'yacht', 'zèbre', 'zénith', 'zeste', 'zoologie'];
+
+module.exports = french;
+},{}],242:[function(require,module,exports){
+module.exports = {
+  'CHINESE': require('./chinese'),
+  'ENGLISH': require('./english'),
+  'FRENCH': require('./french'),
+  'ITALIAN': require('./italian'),
+  'JAPANESE': require('./japanese'),
+  'SPANISH': require('./spanish')
+};
+
+},{"./chinese":239,"./english":240,"./french":241,"./italian":243,"./japanese":244,"./spanish":245}],243:[function(require,module,exports){
+'use strict';
+
+var italian = ['abaco', 'abbaglio', 'abbinato', 'abete', 'abisso', 'abolire', 'abrasivo', 'abrogato', 'accadere', 'accenno', 'accusato', 'acetone', 'achille', 'acido', 'acqua', 'acre', 'acrilico', 'acrobata', 'acuto', 'adagio', 'addebito', 'addome', 'adeguato', 'aderire', 'adipe', 'adottare', 'adulare', 'affabile', 'affetto', 'affisso', 'affranto', 'aforisma', 'afoso', 'africano', 'agave', 'agente', 'agevole', 'aggancio', 'agire', 'agitare', 'agonismo', 'agricolo', 'agrumeto', 'aguzzo', 'alabarda', 'alato', 'albatro', 'alberato', 'albo', 'albume', 'alce', 'alcolico', 'alettone', 'alfa', 'algebra', 'aliante', 'alibi', 'alimento', 'allagato', 'allegro', 'allievo', 'allodola', 'allusivo', 'almeno', 'alogeno', 'alpaca', 'alpestre', 'altalena', 'alterno', 'alticcio', 'altrove', 'alunno', 'alveolo', 'alzare', 'amalgama', 'amanita', 'amarena', 'ambito', 'ambrato', 'ameba', 'america', 'ametista', 'amico', 'ammasso', 'ammenda', 'ammirare', 'ammonito', 'amore', 'ampio', 'ampliare', 'amuleto', 'anacardo', 'anagrafe', 'analista', 'anarchia', 'anatra', 'anca', 'ancella', 'ancora', 'andare', 'andrea', 'anello', 'angelo', 'angolare', 'angusto', 'anima', 'annegare', 'annidato', 'anno', 'annuncio', 'anonimo', 'anticipo', 'anzi', 'apatico', 'apertura', 'apode', 'apparire', 'appetito', 'appoggio', 'approdo', 'appunto', 'aprile', 'arabica', 'arachide', 'aragosta', 'araldica', 'arancio', 'aratura', 'arazzo', 'arbitro', 'archivio', 'ardito', 'arenile', 'argento', 'argine', 'arguto', 'aria', 'armonia', 'arnese', 'arredato', 'arringa', 'arrosto', 'arsenico', 'arso', 'artefice', 'arzillo', 'asciutto', 'ascolto', 'asepsi', 'asettico', 'asfalto', 'asino', 'asola', 'aspirato', 'aspro', 'assaggio', 'asse', 'assoluto', 'assurdo', 'asta', 'astenuto', 'astice', 'astratto', 'atavico', 'ateismo', 'atomico', 'atono', 'attesa', 'attivare', 'attorno', 'attrito', 'attuale', 'ausilio', 'austria', 'autista', 'autonomo', 'autunno', 'avanzato', 'avere', 'avvenire', 'avviso', 'avvolgere', 'azione', 'azoto', 'azzimo', 'azzurro', 'babele', 'baccano', 'bacino', 'baco', 'badessa', 'badilata', 'bagnato', 'baita', 'balcone', 'baldo', 'balena', 'ballata', 'balzano', 'bambino', 'bandire', 'baraonda', 'barbaro', 'barca', 'baritono', 'barlume', 'barocco', 'basilico', 'basso', 'batosta', 'battuto', 'baule', 'bava', 'bavosa', 'becco', 'beffa', 'belgio', 'belva', 'benda', 'benevole', 'benigno', 'benzina', 'bere', 'berlina', 'beta', 'bibita', 'bici', 'bidone', 'bifido', 'biga', 'bilancia', 'bimbo', 'binocolo', 'biologo', 'bipede', 'bipolare', 'birbante', 'birra', 'biscotto', 'bisesto', 'bisnonno', 'bisonte', 'bisturi', 'bizzarro', 'blando', 'blatta', 'bollito', 'bonifico', 'bordo', 'bosco', 'botanico', 'bottino', 'bozzolo', 'braccio', 'bradipo', 'brama', 'branca', 'bravura', 'bretella', 'brevetto', 'brezza', 'briglia', 'brillante', 'brindare', 'broccolo', 'brodo', 'bronzina', 'brullo', 'bruno', 'bubbone', 'buca', 'budino', 'buffone', 'buio', 'bulbo', 'buono', 'burlone', 'burrasca', 'bussola', 'busta', 'cadetto', 'caduco', 'calamaro', 'calcolo', 'calesse', 'calibro', 'calmo', 'caloria', 'cambusa', 'camerata', 'camicia', 'cammino', 'camola', 'campale', 'canapa', 'candela', 'cane', 'canino', 'canotto', 'cantina', 'capace', 'capello', 'capitolo', 'capogiro', 'cappero', 'capra', 'capsula', 'carapace', 'carcassa', 'cardo', 'carisma', 'carovana', 'carretto', 'cartolina', 'casaccio', 'cascata', 'caserma', 'caso', 'cassone', 'castello', 'casuale', 'catasta', 'catena', 'catrame', 'cauto', 'cavillo', 'cedibile', 'cedrata', 'cefalo', 'celebre', 'cellulare', 'cena', 'cenone', 'centesimo', 'ceramica', 'cercare', 'certo', 'cerume', 'cervello', 'cesoia', 'cespo', 'ceto', 'chela', 'chiaro', 'chicca', 'chiedere', 'chimera', 'china', 'chirurgo', 'chitarra', 'ciao', 'ciclismo', 'cifrare', 'cigno', 'cilindro', 'ciottolo', 'circa', 'cirrosi', 'citrico', 'cittadino', 'ciuffo', 'civetta', 'civile', 'classico', 'clinica', 'cloro', 'cocco', 'codardo', 'codice', 'coerente', 'cognome', 'collare', 'colmato', 'colore', 'colposo', 'coltivato', 'colza', 'coma', 'cometa', 'commando', 'comodo', 'computer', 'comune', 'conciso', 'condurre', 'conferma', 'congelare', 'coniuge', 'connesso', 'conoscere', 'consumo', 'continuo', 'convegno', 'coperto', 'copione', 'coppia', 'copricapo', 'corazza', 'cordata', 'coricato', 'cornice', 'corolla', 'corpo', 'corredo', 'corsia', 'cortese', 'cosmico', 'costante', 'cottura', 'covato', 'cratere', 'cravatta', 'creato', 'credere', 'cremoso', 'crescita', 'creta', 'criceto', 'crinale', 'crisi', 'critico', 'croce', 'cronaca', 'crostata', 'cruciale', 'crusca', 'cucire', 'cuculo', 'cugino', 'cullato', 'cupola', 'curatore', 'cursore', 'curvo', 'cuscino', 'custode', 'dado', 'daino', 'dalmata', 'damerino', 'daniela', 'dannoso', 'danzare', 'datato', 'davanti', 'davvero', 'debutto', 'decennio', 'deciso', 'declino', 'decollo', 'decreto', 'dedicato', 'definito', 'deforme', 'degno', 'delegare', 'delfino', 'delirio', 'delta', 'demenza', 'denotato', 'dentro', 'deposito', 'derapata', 'derivare', 'deroga', 'descritto', 'deserto', 'desiderio', 'desumere', 'detersivo', 'devoto', 'diametro', 'dicembre', 'diedro', 'difeso', 'diffuso', 'digerire', 'digitale', 'diluvio', 'dinamico', 'dinnanzi', 'dipinto', 'diploma', 'dipolo', 'diradare', 'dire', 'dirotto', 'dirupo', 'disagio', 'discreto', 'disfare', 'disgelo', 'disposto', 'distanza', 'disumano', 'dito', 'divano', 'divelto', 'dividere', 'divorato', 'doblone', 'docente', 'doganale', 'dogma', 'dolce', 'domato', 'domenica', 'dominare', 'dondolo', 'dono', 'dormire', 'dote', 'dottore', 'dovuto', 'dozzina', 'drago', 'druido', 'dubbio', 'dubitare', 'ducale', 'duna', 'duomo', 'duplice', 'duraturo', 'ebano', 'eccesso', 'ecco', 'eclissi', 'economia', 'edera', 'edicola', 'edile', 'editoria', 'educare', 'egemonia', 'egli', 'egoismo', 'egregio', 'elaborato', 'elargire', 'elegante', 'elencato', 'eletto', 'elevare', 'elfico', 'elica', 'elmo', 'elsa', 'eluso', 'emanato', 'emblema', 'emesso', 'emiro', 'emotivo', 'emozione', 'empirico', 'emulo', 'endemico', 'enduro', 'energia', 'enfasi', 'enoteca', 'entrare', 'enzima', 'epatite', 'epilogo', 'episodio', 'epocale', 'eppure', 'equatore', 'erario', 'erba', 'erboso', 'erede', 'eremita', 'erigere', 'ermetico', 'eroe', 'erosivo', 'errante', 'esagono', 'esame', 'esanime', 'esaudire', 'esca', 'esempio', 'esercito', 'esibito', 'esigente', 'esistere', 'esito', 'esofago', 'esortato', 'esoso', 'espanso', 'espresso', 'essenza', 'esso', 'esteso', 'estimare', 'estonia', 'estroso', 'esultare', 'etilico', 'etnico', 'etrusco', 'etto', 'euclideo', 'europa', 'evaso', 'evidenza', 'evitato', 'evoluto', 'evviva', 'fabbrica', 'faccenda', 'fachiro', 'falco', 'famiglia', 'fanale', 'fanfara', 'fango', 'fantasma', 'fare', 'farfalla', 'farinoso', 'farmaco', 'fascia', 'fastoso', 'fasullo', 'faticare', 'fato', 'favoloso', 'febbre', 'fecola', 'fede', 'fegato', 'felpa', 'feltro', 'femmina', 'fendere', 'fenomeno', 'fermento', 'ferro', 'fertile', 'fessura', 'festivo', 'fetta', 'feudo', 'fiaba', 'fiducia', 'fifa', 'figurato', 'filo', 'finanza', 'finestra', 'finire', 'fiore', 'fiscale', 'fisico', 'fiume', 'flacone', 'flamenco', 'flebo', 'flemma', 'florido', 'fluente', 'fluoro', 'fobico', 'focaccia', 'focoso', 'foderato', 'foglio', 'folata', 'folclore', 'folgore', 'fondente', 'fonetico', 'fonia', 'fontana', 'forbito', 'forchetta', 'foresta', 'formica', 'fornaio', 'foro', 'fortezza', 'forzare', 'fosfato', 'fosso', 'fracasso', 'frana', 'frassino', 'fratello', 'freccetta', 'frenata', 'fresco', 'frigo', 'frollino', 'fronde', 'frugale', 'frutta', 'fucilata', 'fucsia', 'fuggente', 'fulmine', 'fulvo', 'fumante', 'fumetto', 'fumoso', 'fune', 'funzione', 'fuoco', 'furbo', 'furgone', 'furore', 'fuso', 'futile', 'gabbiano', 'gaffe', 'galateo', 'gallina', 'galoppo', 'gambero', 'gamma', 'garanzia', 'garbo', 'garofano', 'garzone', 'gasdotto', 'gasolio', 'gastrico', 'gatto', 'gaudio', 'gazebo', 'gazzella', 'geco', 'gelatina', 'gelso', 'gemello', 'gemmato', 'gene', 'genitore', 'gennaio', 'genotipo', 'gergo', 'ghepardo', 'ghiaccio', 'ghisa', 'giallo', 'gilda', 'ginepro', 'giocare', 'gioiello', 'giorno', 'giove', 'girato', 'girone', 'gittata', 'giudizio', 'giurato', 'giusto', 'globulo', 'glutine', 'gnomo', 'gobba', 'golf', 'gomito', 'gommone', 'gonfio', 'gonna', 'governo', 'gracile', 'grado', 'grafico', 'grammo', 'grande', 'grattare', 'gravoso', 'grazia', 'greca', 'gregge', 'grifone', 'grigio', 'grinza', 'grotta', 'gruppo', 'guadagno', 'guaio', 'guanto', 'guardare', 'gufo', 'guidare', 'ibernato', 'icona', 'identico', 'idillio', 'idolo', 'idra', 'idrico', 'idrogeno', 'igiene', 'ignaro', 'ignorato', 'ilare', 'illeso', 'illogico', 'illudere', 'imballo', 'imbevuto', 'imbocco', 'imbuto', 'immane', 'immerso', 'immolato', 'impacco', 'impeto', 'impiego', 'importo', 'impronta', 'inalare', 'inarcare', 'inattivo', 'incanto', 'incendio', 'inchino', 'incisivo', 'incluso', 'incontro', 'incrocio', 'incubo', 'indagine', 'india', 'indole', 'inedito', 'infatti', 'infilare', 'inflitto', 'ingaggio', 'ingegno', 'inglese', 'ingordo', 'ingrosso', 'innesco', 'inodore', 'inoltrare', 'inondato', 'insano', 'insetto', 'insieme', 'insonnia', 'insulina', 'intasato', 'intero', 'intonaco', 'intuito', 'inumidire', 'invalido', 'invece', 'invito', 'iperbole', 'ipnotico', 'ipotesi', 'ippica', 'iride', 'irlanda', 'ironico', 'irrigato', 'irrorare', 'isolato', 'isotopo', 'isterico', 'istituto', 'istrice', 'italia', 'iterare', 'labbro', 'labirinto', 'lacca', 'lacerato', 'lacrima', 'lacuna', 'laddove', 'lago', 'lampo', 'lancetta', 'lanterna', 'lardoso', 'larga', 'laringe', 'lastra', 'latenza', 'latino', 'lattuga', 'lavagna', 'lavoro', 'legale', 'leggero', 'lembo', 'lentezza', 'lenza', 'leone', 'lepre', 'lesivo', 'lessato', 'lesto', 'letterale', 'leva', 'levigato', 'libero', 'lido', 'lievito', 'lilla', 'limatura', 'limitare', 'limpido', 'lineare', 'lingua', 'liquido', 'lira', 'lirica', 'lisca', 'lite', 'litigio', 'livrea', 'locanda', 'lode', 'logica', 'lombare', 'londra', 'longevo', 'loquace', 'lorenzo', 'loto', 'lotteria', 'luce', 'lucidato', 'lumaca', 'luminoso', 'lungo', 'lupo', 'luppolo', 'lusinga', 'lusso', 'lutto', 'macabro', 'macchina', 'macero', 'macinato', 'madama', 'magico', 'maglia', 'magnete', 'magro', 'maiolica', 'malafede', 'malgrado', 'malinteso', 'malsano', 'malto', 'malumore', 'mana', 'mancia', 'mandorla', 'mangiare', 'manifesto', 'mannaro', 'manovra', 'mansarda', 'mantide', 'manubrio', 'mappa', 'maratona', 'marcire', 'maretta', 'marmo', 'marsupio', 'maschera', 'massaia', 'mastino', 'materasso', 'matricola', 'mattone', 'maturo', 'mazurca', 'meandro', 'meccanico', 'mecenate', 'medesimo', 'meditare', 'mega', 'melassa', 'melis', 'melodia', 'meninge', 'meno', 'mensola', 'mercurio', 'merenda', 'merlo', 'meschino', 'mese', 'messere', 'mestolo', 'metallo', 'metodo', 'mettere', 'miagolare', 'mica', 'micelio', 'michele', 'microbo', 'midollo', 'miele', 'migliore', 'milano', 'milite', 'mimosa', 'minerale', 'mini', 'minore', 'mirino', 'mirtillo', 'miscela', 'missiva', 'misto', 'misurare', 'mitezza', 'mitigare', 'mitra', 'mittente', 'mnemonico', 'modello', 'modifica', 'modulo', 'mogano', 'mogio', 'mole', 'molosso', 'monastero', 'monco', 'mondina', 'monetario', 'monile', 'monotono', 'monsone', 'montato', 'monviso', 'mora', 'mordere', 'morsicato', 'mostro', 'motivato', 'motosega', 'motto', 'movenza', 'movimento', 'mozzo', 'mucca', 'mucosa', 'muffa', 'mughetto', 'mugnaio', 'mulatto', 'mulinello', 'multiplo', 'mummia', 'munto', 'muovere', 'murale', 'musa', 'muscolo', 'musica', 'mutevole', 'muto', 'nababbo', 'nafta', 'nanometro', 'narciso', 'narice', 'narrato', 'nascere', 'nastrare', 'naturale', 'nautica', 'naviglio', 'nebulosa', 'necrosi', 'negativo', 'negozio', 'nemmeno', 'neofita', 'neretto', 'nervo', 'nessuno', 'nettuno', 'neutrale', 'neve', 'nevrotico', 'nicchia', 'ninfa', 'nitido', 'nobile', 'nocivo', 'nodo', 'nome', 'nomina', 'nordico', 'normale', 'norvegese', 'nostrano', 'notare', 'notizia', 'notturno', 'novella', 'nucleo', 'nulla', 'numero', 'nuovo', 'nutrire', 'nuvola', 'nuziale', 'oasi', 'obbedire', 'obbligo', 'obelisco', 'oblio', 'obolo', 'obsoleto', 'occasione', 'occhio', 'occidente', 'occorrere', 'occultare', 'ocra', 'oculato', 'odierno', 'odorare', 'offerta', 'offrire', 'offuscato', 'oggetto', 'oggi', 'ognuno', 'olandese', 'olfatto', 'oliato', 'oliva', 'ologramma', 'oltre', 'omaggio', 'ombelico', 'ombra', 'omega', 'omissione', 'ondoso', 'onere', 'onice', 'onnivoro', 'onorevole', 'onta', 'operato', 'opinione', 'opposto', 'oracolo', 'orafo', 'ordine', 'orecchino', 'orefice', 'orfano', 'organico', 'origine', 'orizzonte', 'orma', 'ormeggio', 'ornativo', 'orologio', 'orrendo', 'orribile', 'ortensia', 'ortica', 'orzata', 'orzo', 'osare', 'oscurare', 'osmosi', 'ospedale', 'ospite', 'ossa', 'ossidare', 'ostacolo', 'oste', 'otite', 'otre', 'ottagono', 'ottimo', 'ottobre', 'ovale', 'ovest', 'ovino', 'oviparo', 'ovocito', 'ovunque', 'ovviare', 'ozio', 'pacchetto', 'pace', 'pacifico', 'padella', 'padrone', 'paese', 'paga', 'pagina', 'palazzina', 'palesare', 'pallido', 'palo', 'palude', 'pandoro', 'pannello', 'paolo', 'paonazzo', 'paprica', 'parabola', 'parcella', 'parere', 'pargolo', 'pari', 'parlato', 'parola', 'partire', 'parvenza', 'parziale', 'passivo', 'pasticca', 'patacca', 'patologia', 'pattume', 'pavone', 'peccato', 'pedalare', 'pedonale', 'peggio', 'peloso', 'penare', 'pendice', 'penisola', 'pennuto', 'penombra', 'pensare', 'pentola', 'pepe', 'pepita', 'perbene', 'percorso', 'perdonato', 'perforare', 'pergamena', 'periodo', 'permesso', 'perno', 'perplesso', 'persuaso', 'pertugio', 'pervaso', 'pesatore', 'pesista', 'peso', 'pestifero', 'petalo', 'pettine', 'petulante', 'pezzo', 'piacere', 'pianta', 'piattino', 'piccino', 'picozza', 'piega', 'pietra', 'piffero', 'pigiama', 'pigolio', 'pigro', 'pila', 'pilifero', 'pillola', 'pilota', 'pimpante', 'pineta', 'pinna', 'pinolo', 'pioggia', 'piombo', 'piramide', 'piretico', 'pirite', 'pirolisi', 'pitone', 'pizzico', 'placebo', 'planare', 'plasma', 'platano', 'plenario', 'pochezza', 'poderoso', 'podismo', 'poesia', 'poggiare', 'polenta', 'poligono', 'pollice', 'polmonite', 'polpetta', 'polso', 'poltrona', 'polvere', 'pomice', 'pomodoro', 'ponte', 'popoloso', 'porfido', 'poroso', 'porpora', 'porre', 'portata', 'posa', 'positivo', 'possesso', 'postulato', 'potassio', 'potere', 'pranzo', 'prassi', 'pratica', 'precluso', 'predica', 'prefisso', 'pregiato', 'prelievo', 'premere', 'prenotare', 'preparato', 'presenza', 'pretesto', 'prevalso', 'prima', 'principe', 'privato', 'problema', 'procura', 'produrre', 'profumo', 'progetto', 'prolunga', 'promessa', 'pronome', 'proposta', 'proroga', 'proteso', 'prova', 'prudente', 'prugna', 'prurito', 'psiche', 'pubblico', 'pudica', 'pugilato', 'pugno', 'pulce', 'pulito', 'pulsante', 'puntare', 'pupazzo', 'pupilla', 'puro', 'quadro', 'qualcosa', 'quasi', 'querela', 'quota', 'raccolto', 'raddoppio', 'radicale', 'radunato', 'raffica', 'ragazzo', 'ragione', 'ragno', 'ramarro', 'ramingo', 'ramo', 'randagio', 'rantolare', 'rapato', 'rapina', 'rappreso', 'rasatura', 'raschiato', 'rasente', 'rassegna', 'rastrello', 'rata', 'ravveduto', 'reale', 'recepire', 'recinto', 'recluta', 'recondito', 'recupero', 'reddito', 'redimere', 'regalato', 'registro', 'regola', 'regresso', 'relazione', 'remare', 'remoto', 'renna', 'replica', 'reprimere', 'reputare', 'resa', 'residente', 'responso', 'restauro', 'rete', 'retina', 'retorica', 'rettifica', 'revocato', 'riassunto', 'ribadire', 'ribelle', 'ribrezzo', 'ricarica', 'ricco', 'ricevere', 'riciclato', 'ricordo', 'ricreduto', 'ridicolo', 'ridurre', 'rifasare', 'riflesso', 'riforma', 'rifugio', 'rigare', 'rigettato', 'righello', 'rilassato', 'rilevato', 'rimanere', 'rimbalzo', 'rimedio', 'rimorchio', 'rinascita', 'rincaro', 'rinforzo', 'rinnovo', 'rinomato', 'rinsavito', 'rintocco', 'rinuncia', 'rinvenire', 'riparato', 'ripetuto', 'ripieno', 'riportare', 'ripresa', 'ripulire', 'risata', 'rischio', 'riserva', 'risibile', 'riso', 'rispetto', 'ristoro', 'risultato', 'risvolto', 'ritardo', 'ritegno', 'ritmico', 'ritrovo', 'riunione', 'riva', 'riverso', 'rivincita', 'rivolto', 'rizoma', 'roba', 'robotico', 'robusto', 'roccia', 'roco', 'rodaggio', 'rodere', 'roditore', 'rogito', 'rollio', 'romantico', 'rompere', 'ronzio', 'rosolare', 'rospo', 'rotante', 'rotondo', 'rotula', 'rovescio', 'rubizzo', 'rubrica', 'ruga', 'rullino', 'rumine', 'rumoroso', 'ruolo', 'rupe', 'russare', 'rustico', 'sabato', 'sabbiare', 'sabotato', 'sagoma', 'salasso', 'saldatura', 'salgemma', 'salivare', 'salmone', 'salone', 'saltare', 'saluto', 'salvo', 'sapere', 'sapido', 'saporito', 'saraceno', 'sarcasmo', 'sarto', 'sassoso', 'satellite', 'satira', 'satollo', 'saturno', 'savana', 'savio', 'saziato', 'sbadiglio', 'sbalzo', 'sbancato', 'sbarra', 'sbattere', 'sbavare', 'sbendare', 'sbirciare', 'sbloccato', 'sbocciato', 'sbrinare', 'sbruffone', 'sbuffare', 'scabroso', 'scadenza', 'scala', 'scambiare', 'scandalo', 'scapola', 'scarso', 'scatenare', 'scavato', 'scelto', 'scenico', 'scettro', 'scheda', 'schiena', 'sciarpa', 'scienza', 'scindere', 'scippo', 'sciroppo', 'scivolo', 'sclerare', 'scodella', 'scolpito', 'scomparto', 'sconforto', 'scoprire', 'scorta', 'scossone', 'scozzese', 'scriba', 'scrollare', 'scrutinio', 'scuderia', 'scultore', 'scuola', 'scuro', 'scusare', 'sdebitare', 'sdoganare', 'seccatura', 'secondo', 'sedano', 'seggiola', 'segnalato', 'segregato', 'seguito', 'selciato', 'selettivo', 'sella', 'selvaggio', 'semaforo', 'sembrare', 'seme', 'seminato', 'sempre', 'senso', 'sentire', 'sepolto', 'sequenza', 'serata', 'serbato', 'sereno', 'serio', 'serpente', 'serraglio', 'servire', 'sestina', 'setola', 'settimana', 'sfacelo', 'sfaldare', 'sfamato', 'sfarzoso', 'sfaticato', 'sfera', 'sfida', 'sfilato', 'sfinge', 'sfocato', 'sfoderare', 'sfogo', 'sfoltire', 'sforzato', 'sfratto', 'sfruttato', 'sfuggito', 'sfumare', 'sfuso', 'sgabello', 'sgarbato', 'sgonfiare', 'sgorbio', 'sgrassato', 'sguardo', 'sibilo', 'siccome', 'sierra', 'sigla', 'signore', 'silenzio', 'sillaba', 'simbolo', 'simpatico', 'simulato', 'sinfonia', 'singolo', 'sinistro', 'sino', 'sintesi', 'sinusoide', 'sipario', 'sisma', 'sistole', 'situato', 'slitta', 'slogatura', 'sloveno', 'smarrito', 'smemorato', 'smentito', 'smeraldo', 'smilzo', 'smontare', 'smottato', 'smussato', 'snellire', 'snervato', 'snodo', 'sobbalzo', 'sobrio', 'soccorso', 'sociale', 'sodale', 'soffitto', 'sogno', 'soldato', 'solenne', 'solido', 'sollazzo', 'solo', 'solubile', 'solvente', 'somatico', 'somma', 'sonda', 'sonetto', 'sonnifero', 'sopire', 'soppeso', 'sopra', 'sorgere', 'sorpasso', 'sorriso', 'sorso', 'sorteggio', 'sorvolato', 'sospiro', 'sosta', 'sottile', 'spada', 'spalla', 'spargere', 'spatola', 'spavento', 'spazzola', 'specie', 'spedire', 'spegnere', 'spelatura', 'speranza', 'spessore', 'spettrale', 'spezzato', 'spia', 'spigoloso', 'spillato', 'spinoso', 'spirale', 'splendido', 'sportivo', 'sposo', 'spranga', 'sprecare', 'spronato', 'spruzzo', 'spuntino', 'squillo', 'sradicare', 'srotolato', 'stabile', 'stacco', 'staffa', 'stagnare', 'stampato', 'stantio', 'starnuto', 'stasera', 'statuto', 'stelo', 'steppa', 'sterzo', 'stiletto', 'stima', 'stirpe', 'stivale', 'stizzoso', 'stonato', 'storico', 'strappo', 'stregato', 'stridulo', 'strozzare', 'strutto', 'stuccare', 'stufo', 'stupendo', 'subentro', 'succoso', 'sudore', 'suggerito', 'sugo', 'sultano', 'suonare', 'superbo', 'supporto', 'surgelato', 'surrogato', 'sussurro', 'sutura', 'svagare', 'svedese', 'sveglio', 'svelare', 'svenuto', 'svezia', 'sviluppo', 'svista', 'svizzera', 'svolta', 'svuotare', 'tabacco', 'tabulato', 'tacciare', 'taciturno', 'tale', 'talismano', 'tampone', 'tannino', 'tara', 'tardivo', 'targato', 'tariffa', 'tarpare', 'tartaruga', 'tasto', 'tattico', 'taverna', 'tavolata', 'tazza', 'teca', 'tecnico', 'telefono', 'temerario', 'tempo', 'temuto', 'tendone', 'tenero', 'tensione', 'tentacolo', 'teorema', 'terme', 'terrazzo', 'terzetto', 'tesi', 'tesserato', 'testato', 'tetro', 'tettoia', 'tifare', 'tigella', 'timbro', 'tinto', 'tipico', 'tipografo', 'tiraggio', 'tiro', 'titanio', 'titolo', 'titubante', 'tizio', 'tizzone', 'toccare', 'tollerare', 'tolto', 'tombola', 'tomo', 'tonfo', 'tonsilla', 'topazio', 'topologia', 'toppa', 'torba', 'tornare', 'torrone', 'tortora', 'toscano', 'tossire', 'tostatura', 'totano', 'trabocco', 'trachea', 'trafila', 'tragedia', 'tralcio', 'tramonto', 'transito', 'trapano', 'trarre', 'trasloco', 'trattato', 'trave', 'treccia', 'tremolio', 'trespolo', 'tributo', 'tricheco', 'trifoglio', 'trillo', 'trincea', 'trio', 'tristezza', 'triturato', 'trivella', 'tromba', 'trono', 'troppo', 'trottola', 'trovare', 'truccato', 'tubatura', 'tuffato', 'tulipano', 'tumulto', 'tunisia', 'turbare', 'turchino', 'tuta', 'tutela', 'ubicato', 'uccello', 'uccisore', 'udire', 'uditivo', 'uffa', 'ufficio', 'uguale', 'ulisse', 'ultimato', 'umano', 'umile', 'umorismo', 'uncinetto', 'ungere', 'ungherese', 'unicorno', 'unificato', 'unisono', 'unitario', 'unte', 'uovo', 'upupa', 'uragano', 'urgenza', 'urlo', 'usanza', 'usato', 'uscito', 'usignolo', 'usuraio', 'utensile', 'utilizzo', 'utopia', 'vacante', 'vaccinato', 'vagabondo', 'vagliato', 'valanga', 'valgo', 'valico', 'valletta', 'valoroso', 'valutare', 'valvola', 'vampata', 'vangare', 'vanitoso', 'vano', 'vantaggio', 'vanvera', 'vapore', 'varano', 'varcato', 'variante', 'vasca', 'vedetta', 'vedova', 'veduto', 'vegetale', 'veicolo', 'velcro', 'velina', 'velluto', 'veloce', 'venato', 'vendemmia', 'vento', 'verace', 'verbale', 'vergogna', 'verifica', 'vero', 'verruca', 'verticale', 'vescica', 'vessillo', 'vestale', 'veterano', 'vetrina', 'vetusto', 'viandante', 'vibrante', 'vicenda', 'vichingo', 'vicinanza', 'vidimare', 'vigilia', 'vigneto', 'vigore', 'vile', 'villano', 'vimini', 'vincitore', 'viola', 'vipera', 'virgola', 'virologo', 'virulento', 'viscoso', 'visione', 'vispo', 'vissuto', 'visura', 'vita', 'vitello', 'vittima', 'vivanda', 'vivido', 'viziare', 'voce', 'voga', 'volatile', 'volere', 'volpe', 'voragine', 'vulcano', 'zampogna', 'zanna', 'zappato', 'zattera', 'zavorra', 'zefiro', 'zelante', 'zelo', 'zenzero', 'zerbino', 'zibetto', 'zinco', 'zircone', 'zitto', 'zolla', 'zotico', 'zucchero', 'zufolo', 'zulu', 'zuppa'];
+
+module.exports = italian;
+
+},{}],244:[function(require,module,exports){
+'use strict';
+
+var japanese = ['あいこくしん', 'あいさつ', 'あいだ', 'あおぞら', 'あかちゃん', 'あきる', 'あけがた', 'あける', 'あこがれる', 'あさい', 'あさひ', 'あしあと', 'あじわう', 'あずかる', 'あずき', 'あそぶ', 'あたえる', 'あたためる', 'あたりまえ', 'あたる', 'あつい', 'あつかう', 'あっしゅく', 'あつまり', 'あつめる', 'あてな', 'あてはまる', 'あひる', 'あぶら', 'あぶる', 'あふれる', 'あまい', 'あまど', 'あまやかす', 'あまり', 'あみもの', 'あめりか', 'あやまる', 'あゆむ', 'あらいぐま', 'あらし', 'あらすじ', 'あらためる', 'あらゆる', 'あらわす', 'ありがとう', 'あわせる', 'あわてる', 'あんい', 'あんがい', 'あんこ', 'あんぜん', 'あんてい', 'あんない', 'あんまり', 'いいだす', 'いおん', 'いがい', 'いがく', 'いきおい', 'いきなり', 'いきもの', 'いきる', 'いくじ', 'いくぶん', 'いけばな', 'いけん', 'いこう', 'いこく', 'いこつ', 'いさましい', 'いさん', 'いしき', 'いじゅう', 'いじょう', 'いじわる', 'いずみ', 'いずれ', 'いせい', 'いせえび', 'いせかい', 'いせき', 'いぜん', 'いそうろう', 'いそがしい', 'いだい', 'いだく', 'いたずら', 'いたみ', 'いたりあ', 'いちおう', 'いちじ', 'いちど', 'いちば', 'いちぶ', 'いちりゅう', 'いつか', 'いっしゅん', 'いっせい', 'いっそう', 'いったん', 'いっち', 'いってい', 'いっぽう', 'いてざ', 'いてん', 'いどう', 'いとこ', 'いない', 'いなか', 'いねむり', 'いのち', 'いのる', 'いはつ', 'いばる', 'いはん', 'いびき', 'いひん', 'いふく', 'いへん', 'いほう', 'いみん', 'いもうと', 'いもたれ', 'いもり', 'いやがる', 'いやす', 'いよかん', 'いよく', 'いらい', 'いらすと', 'いりぐち', 'いりょう', 'いれい', 'いれもの', 'いれる', 'いろえんぴつ', 'いわい', 'いわう', 'いわかん', 'いわば', 'いわゆる', 'いんげんまめ', 'いんさつ', 'いんしょう', 'いんよう', 'うえき', 'うえる', 'うおざ', 'うがい', 'うかぶ', 'うかべる', 'うきわ', 'うくらいな', 'うくれれ', 'うけたまわる', 'うけつけ', 'うけとる', 'うけもつ', 'うける', 'うごかす', 'うごく', 'うこん', 'うさぎ', 'うしなう', 'うしろがみ', 'うすい', 'うすぎ', 'うすぐらい', 'うすめる', 'うせつ', 'うちあわせ', 'うちがわ', 'うちき', 'うちゅう', 'うっかり', 'うつくしい', 'うったえる', 'うつる', 'うどん', 'うなぎ', 'うなじ', 'うなずく', 'うなる', 'うねる', 'うのう', 'うぶげ', 'うぶごえ', 'うまれる', 'うめる', 'うもう', 'うやまう', 'うよく', 'うらがえす', 'うらぐち', 'うらない', 'うりあげ', 'うりきれ', 'うるさい', 'うれしい', 'うれゆき', 'うれる', 'うろこ', 'うわき', 'うわさ', 'うんこう', 'うんちん', 'うんてん', 'うんどう', 'えいえん', 'えいが', 'えいきょう', 'えいご', 'えいせい', 'えいぶん', 'えいよう', 'えいわ', 'えおり', 'えがお', 'えがく', 'えきたい', 'えくせる', 'えしゃく', 'えすて', 'えつらん', 'えのぐ', 'えほうまき', 'えほん', 'えまき', 'えもじ', 'えもの', 'えらい', 'えらぶ', 'えりあ', 'えんえん', 'えんかい', 'えんぎ', 'えんげき', 'えんしゅう', 'えんぜつ', 'えんそく', 'えんちょう', 'えんとつ', 'おいかける', 'おいこす', 'おいしい', 'おいつく', 'おうえん', 'おうさま', 'おうじ', 'おうせつ', 'おうたい', 'おうふく', 'おうべい', 'おうよう', 'おえる', 'おおい', 'おおう', 'おおどおり', 'おおや', 'おおよそ', 'おかえり', 'おかず', 'おがむ', 'おかわり', 'おぎなう', 'おきる', 'おくさま', 'おくじょう', 'おくりがな', 'おくる', 'おくれる', 'おこす', 'おこなう', 'おこる', 'おさえる', 'おさない', 'おさめる', 'おしいれ', 'おしえる', 'おじぎ', 'おじさん', 'おしゃれ', 'おそらく', 'おそわる', 'おたがい', 'おたく', 'おだやか', 'おちつく', 'おっと', 'おつり', 'おでかけ', 'おとしもの', 'おとなしい', 'おどり', 'おどろかす', 'おばさん', 'おまいり', 'おめでとう', 'おもいで', 'おもう', 'おもたい', 'おもちゃ', 'おやつ', 'おやゆび', 'およぼす', 'おらんだ', 'おろす', 'おんがく', 'おんけい', 'おんしゃ', 'おんせん', 'おんだん', 'おんちゅう', 'おんどけい', 'かあつ', 'かいが', 'がいき', 'がいけん', 'がいこう', 'かいさつ', 'かいしゃ', 'かいすいよく', 'かいぜん', 'かいぞうど', 'かいつう', 'かいてん', 'かいとう', 'かいふく', 'がいへき', 'かいほう', 'かいよう', 'がいらい', 'かいわ', 'かえる', 'かおり', 'かかえる', 'かがく', 'かがし', 'かがみ', 'かくご', 'かくとく', 'かざる', 'がぞう', 'かたい', 'かたち', 'がちょう', 'がっきゅう', 'がっこう', 'がっさん', 'がっしょう', 'かなざわし', 'かのう', 'がはく', 'かぶか', 'かほう', 'かほご', 'かまう', 'かまぼこ', 'かめれおん', 'かゆい', 'かようび', 'からい', 'かるい', 'かろう', 'かわく', 'かわら', 'がんか', 'かんけい', 'かんこう', 'かんしゃ', 'かんそう', 'かんたん', 'かんち', 'がんばる', 'きあい', 'きあつ', 'きいろ', 'ぎいん', 'きうい', 'きうん', 'きえる', 'きおう', 'きおく', 'きおち', 'きおん', 'きかい', 'きかく', 'きかんしゃ', 'ききて', 'きくばり', 'きくらげ', 'きけんせい', 'きこう', 'きこえる', 'きこく', 'きさい', 'きさく', 'きさま', 'きさらぎ', 'ぎじかがく', 'ぎしき', 'ぎじたいけん', 'ぎじにってい', 'ぎじゅつしゃ', 'きすう', 'きせい', 'きせき', 'きせつ', 'きそう', 'きぞく', 'きぞん', 'きたえる', 'きちょう', 'きつえん', 'ぎっちり', 'きつつき', 'きつね', 'きてい', 'きどう', 'きどく', 'きない', 'きなが', 'きなこ', 'きぬごし', 'きねん', 'きのう', 'きのした', 'きはく', 'きびしい', 'きひん', 'きふく', 'きぶん', 'きぼう', 'きほん', 'きまる', 'きみつ', 'きむずかしい', 'きめる', 'きもだめし', 'きもち', 'きもの', 'きゃく', 'きやく', 'ぎゅうにく', 'きよう', 'きょうりゅう', 'きらい', 'きらく', 'きりん', 'きれい', 'きれつ', 'きろく', 'ぎろん', 'きわめる', 'ぎんいろ', 'きんかくじ', 'きんじょ', 'きんようび', 'ぐあい', 'くいず', 'くうかん', 'くうき', 'くうぐん', 'くうこう', 'ぐうせい', 'くうそう', 'ぐうたら', 'くうふく', 'くうぼ', 'くかん', 'くきょう', 'くげん', 'ぐこう', 'くさい', 'くさき', 'くさばな', 'くさる', 'くしゃみ', 'くしょう', 'くすのき', 'くすりゆび', 'くせげ', 'くせん', 'ぐたいてき', 'くださる', 'くたびれる', 'くちこみ', 'くちさき', 'くつした', 'ぐっすり', 'くつろぐ', 'くとうてん', 'くどく', 'くなん', 'くねくね', 'くのう', 'くふう', 'くみあわせ', 'くみたてる', 'くめる', 'くやくしょ', 'くらす', 'くらべる', 'くるま', 'くれる', 'くろう', 'くわしい', 'ぐんかん', 'ぐんしょく', 'ぐんたい', 'ぐんて', 'けあな', 'けいかく', 'けいけん', 'けいこ', 'けいさつ', 'げいじゅつ', 'けいたい', 'げいのうじん', 'けいれき', 'けいろ', 'けおとす', 'けおりもの', 'げきか', 'げきげん', 'げきだん', 'げきちん', 'げきとつ', 'げきは', 'げきやく', 'げこう', 'げこくじょう', 'げざい', 'けさき', 'げざん', 'けしき', 'けしごむ', 'けしょう', 'げすと', 'けたば', 'けちゃっぷ', 'けちらす', 'けつあつ', 'けつい', 'けつえき', 'けっこん', 'けつじょ', 'けっせき', 'けってい', 'けつまつ', 'げつようび', 'げつれい', 'けつろん', 'げどく', 'けとばす', 'けとる', 'けなげ', 'けなす', 'けなみ', 'けぬき', 'げねつ', 'けねん', 'けはい', 'げひん', 'けぶかい', 'げぼく', 'けまり', 'けみかる', 'けむし', 'けむり', 'けもの', 'けらい', 'けろけろ', 'けわしい', 'けんい', 'けんえつ', 'けんお', 'けんか', 'げんき', 'けんげん', 'けんこう', 'けんさく', 'けんしゅう', 'けんすう', 'げんそう', 'けんちく', 'けんてい', 'けんとう', 'けんない', 'けんにん', 'げんぶつ', 'けんま', 'けんみん', 'けんめい', 'けんらん', 'けんり', 'こあくま', 'こいぬ', 'こいびと', 'ごうい', 'こうえん', 'こうおん', 'こうかん', 'ごうきゅう', 'ごうけい', 'こうこう', 'こうさい', 'こうじ', 'こうすい', 'ごうせい', 'こうそく', 'こうたい', 'こうちゃ', 'こうつう', 'こうてい', 'こうどう', 'こうない', 'こうはい', 'ごうほう', 'ごうまん', 'こうもく', 'こうりつ', 'こえる', 'こおり', 'ごかい', 'ごがつ', 'ごかん', 'こくご', 'こくさい', 'こくとう', 'こくない', 'こくはく', 'こぐま', 'こけい', 'こける', 'ここのか', 'こころ', 'こさめ', 'こしつ', 'こすう', 'こせい', 'こせき', 'こぜん', 'こそだて', 'こたい', 'こたえる', 'こたつ', 'こちょう', 'こっか', 'こつこつ', 'こつばん', 'こつぶ', 'こてい', 'こてん', 'ことがら', 'ことし', 'ことば', 'ことり', 'こなごな', 'こねこね', 'このまま', 'このみ', 'このよ', 'ごはん', 'こひつじ', 'こふう', 'こふん', 'こぼれる', 'ごまあぶら', 'こまかい', 'ごますり', 'こまつな', 'こまる', 'こむぎこ', 'こもじ', 'こもち', 'こもの', 'こもん', 'こやく', 'こやま', 'こゆう', 'こゆび', 'こよい', 'こよう', 'こりる', 'これくしょん', 'ころっけ', 'こわもて', 'こわれる', 'こんいん', 'こんかい', 'こんき', 'こんしゅう', 'こんすい', 'こんだて', 'こんとん', 'こんなん', 'こんびに', 'こんぽん', 'こんまけ', 'こんや', 'こんれい', 'こんわく', 'ざいえき', 'さいかい', 'さいきん', 'ざいげん', 'ざいこ', 'さいしょ', 'さいせい', 'ざいたく', 'ざいちゅう', 'さいてき', 'ざいりょう', 'さうな', 'さかいし', 'さがす', 'さかな', 'さかみち', 'さがる', 'さぎょう', 'さくし', 'さくひん', 'さくら', 'さこく', 'さこつ', 'さずかる', 'ざせき', 'さたん', 'さつえい', 'ざつおん', 'ざっか', 'ざつがく', 'さっきょく', 'ざっし', 'さつじん', 'ざっそう', 'さつたば', 'さつまいも', 'さてい', 'さといも', 'さとう', 'さとおや', 'さとし', 'さとる', 'さのう', 'さばく', 'さびしい', 'さべつ', 'さほう', 'さほど', 'さます', 'さみしい', 'さみだれ', 'さむけ', 'さめる', 'さやえんどう', 'さゆう', 'さよう', 'さよく', 'さらだ', 'ざるそば', 'さわやか', 'さわる', 'さんいん', 'さんか', 'さんきゃく', 'さんこう', 'さんさい', 'ざんしょ', 'さんすう', 'さんせい', 'さんそ', 'さんち', 'さんま', 'さんみ', 'さんらん', 'しあい', 'しあげ', 'しあさって', 'しあわせ', 'しいく', 'しいん', 'しうち', 'しえい', 'しおけ', 'しかい', 'しかく', 'じかん', 'しごと', 'しすう', 'じだい', 'したうけ', 'したぎ', 'したて', 'したみ', 'しちょう', 'しちりん', 'しっかり', 'しつじ', 'しつもん', 'してい', 'してき', 'してつ', 'じてん', 'じどう', 'しなぎれ', 'しなもの', 'しなん', 'しねま', 'しねん', 'しのぐ', 'しのぶ', 'しはい', 'しばかり', 'しはつ', 'しはらい', 'しはん', 'しひょう', 'しふく', 'じぶん', 'しへい', 'しほう', 'しほん', 'しまう', 'しまる', 'しみん', 'しむける', 'じむしょ', 'しめい', 'しめる', 'しもん', 'しゃいん', 'しゃうん', 'しゃおん', 'じゃがいも', 'しやくしょ', 'しゃくほう', 'しゃけん', 'しゃこ', 'しゃざい', 'しゃしん', 'しゃせん', 'しゃそう', 'しゃたい', 'しゃちょう', 'しゃっきん', 'じゃま', 'しゃりん', 'しゃれい', 'じゆう', 'じゅうしょ', 'しゅくはく', 'じゅしん', 'しゅっせき', 'しゅみ', 'しゅらば', 'じゅんばん', 'しょうかい', 'しょくたく', 'しょっけん', 'しょどう', 'しょもつ', 'しらせる', 'しらべる', 'しんか', 'しんこう', 'じんじゃ', 'しんせいじ', 'しんちく', 'しんりん', 'すあげ', 'すあし', 'すあな', 'ずあん', 'すいえい', 'すいか', 'すいとう', 'ずいぶん', 'すいようび', 'すうがく', 'すうじつ', 'すうせん', 'すおどり', 'すきま', 'すくう', 'すくない', 'すける', 'すごい', 'すこし', 'ずさん', 'すずしい', 'すすむ', 'すすめる', 'すっかり', 'ずっしり', 'ずっと', 'すてき', 'すてる', 'すねる', 'すのこ', 'すはだ', 'すばらしい', 'ずひょう', 'ずぶぬれ', 'すぶり', 'すふれ', 'すべて', 'すべる', 'ずほう', 'すぼん', 'すまい', 'すめし', 'すもう', 'すやき', 'すらすら', 'するめ', 'すれちがう', 'すろっと', 'すわる', 'すんぜん', 'すんぽう', 'せあぶら', 'せいかつ', 'せいげん', 'せいじ', 'せいよう', 'せおう', 'せかいかん', 'せきにん', 'せきむ', 'せきゆ', 'せきらんうん', 'せけん', 'せこう', 'せすじ', 'せたい', 'せたけ', 'せっかく', 'せっきゃく', 'ぜっく', 'せっけん', 'せっこつ', 'せっさたくま', 'せつぞく', 'せつだん', 'せつでん', 'せっぱん', 'せつび', 'せつぶん', 'せつめい', 'せつりつ', 'せなか', 'せのび', 'せはば', 'せびろ', 'せぼね', 'せまい', 'せまる', 'せめる', 'せもたれ', 'せりふ', 'ぜんあく', 'せんい', 'せんえい', 'せんか', 'せんきょ', 'せんく', 'せんげん', 'ぜんご', 'せんさい', 'せんしゅ', 'せんすい', 'せんせい', 'せんぞ', 'せんたく', 'せんちょう', 'せんてい', 'せんとう', 'せんぬき', 'せんねん', 'せんぱい', 'ぜんぶ', 'ぜんぽう', 'せんむ', 'せんめんじょ', 'せんもん', 'せんやく', 'せんゆう', 'せんよう', 'ぜんら', 'ぜんりゃく', 'せんれい', 'せんろ', 'そあく', 'そいとげる', 'そいね', 'そうがんきょう', 'そうき', 'そうご', 'そうしん', 'そうだん', 'そうなん', 'そうび', 'そうめん', 'そうり', 'そえもの', 'そえん', 'そがい', 'そげき', 'そこう', 'そこそこ', 'そざい', 'そしな', 'そせい', 'そせん', 'そそぐ', 'そだてる', 'そつう', 'そつえん', 'そっかん', 'そつぎょう', 'そっけつ', 'そっこう', 'そっせん', 'そっと', 'そとがわ', 'そとづら', 'そなえる', 'そなた', 'そふぼ', 'そぼく', 'そぼろ', 'そまつ', 'そまる', 'そむく', 'そむりえ', 'そめる', 'そもそも', 'そよかぜ', 'そらまめ', 'そろう', 'そんかい', 'そんけい', 'そんざい', 'そんしつ', 'そんぞく', 'そんちょう', 'ぞんび', 'ぞんぶん', 'そんみん', 'たあい', 'たいいん', 'たいうん', 'たいえき', 'たいおう', 'だいがく', 'たいき', 'たいぐう', 'たいけん', 'たいこ', 'たいざい', 'だいじょうぶ', 'だいすき', 'たいせつ', 'たいそう', 'だいたい', 'たいちょう', 'たいてい', 'だいどころ', 'たいない', 'たいねつ', 'たいのう', 'たいはん', 'だいひょう', 'たいふう', 'たいへん', 'たいほ', 'たいまつばな', 'たいみんぐ', 'たいむ', 'たいめん', 'たいやき', 'たいよう', 'たいら', 'たいりょく', 'たいる', 'たいわん', 'たうえ', 'たえる', 'たおす', 'たおる', 'たおれる', 'たかい', 'たかね', 'たきび', 'たくさん', 'たこく', 'たこやき', 'たさい', 'たしざん', 'だじゃれ', 'たすける', 'たずさわる', 'たそがれ', 'たたかう', 'たたく', 'ただしい', 'たたみ', 'たちばな', 'だっかい', 'だっきゃく', 'だっこ', 'だっしゅつ', 'だったい', 'たてる', 'たとえる', 'たなばた', 'たにん', 'たぬき', 'たのしみ', 'たはつ', 'たぶん', 'たべる', 'たぼう', 'たまご', 'たまる', 'だむる', 'ためいき', 'ためす', 'ためる', 'たもつ', 'たやすい', 'たよる', 'たらす', 'たりきほんがん', 'たりょう', 'たりる', 'たると', 'たれる', 'たれんと', 'たろっと', 'たわむれる', 'だんあつ', 'たんい', 'たんおん', 'たんか', 'たんき', 'たんけん', 'たんご', 'たんさん', 'たんじょうび', 'だんせい', 'たんそく', 'たんたい', 'だんち', 'たんてい', 'たんとう', 'だんな', 'たんにん', 'だんねつ', 'たんのう', 'たんぴん', 'だんぼう', 'たんまつ', 'たんめい', 'だんれつ', 'だんろ', 'だんわ', 'ちあい', 'ちあん', 'ちいき', 'ちいさい', 'ちえん', 'ちかい', 'ちから', 'ちきゅう', 'ちきん', 'ちけいず', 'ちけん', 'ちこく', 'ちさい', 'ちしき', 'ちしりょう', 'ちせい', 'ちそう', 'ちたい', 'ちたん', 'ちちおや', 'ちつじょ', 'ちてき', 'ちてん', 'ちぬき', 'ちぬり', 'ちのう', 'ちひょう', 'ちへいせん', 'ちほう', 'ちまた', 'ちみつ', 'ちみどろ', 'ちめいど', 'ちゃんこなべ', 'ちゅうい', 'ちゆりょく', 'ちょうし', 'ちょさくけん', 'ちらし', 'ちらみ', 'ちりがみ', 'ちりょう', 'ちるど', 'ちわわ', 'ちんたい', 'ちんもく', 'ついか', 'ついたち', 'つうか', 'つうじょう', 'つうはん', 'つうわ', 'つかう', 'つかれる', 'つくね', 'つくる', 'つけね', 'つける', 'つごう', 'つたえる', 'つづく', 'つつじ', 'つつむ', 'つとめる', 'つながる', 'つなみ', 'つねづね', 'つのる', 'つぶす', 'つまらない', 'つまる', 'つみき', 'つめたい', 'つもり', 'つもる', 'つよい', 'つるぼ', 'つるみく', 'つわもの', 'つわり', 'てあし', 'てあて', 'てあみ', 'ていおん', 'ていか', 'ていき', 'ていけい', 'ていこく', 'ていさつ', 'ていし', 'ていせい', 'ていたい', 'ていど', 'ていねい', 'ていひょう', 'ていへん', 'ていぼう', 'てうち', 'ておくれ', 'てきとう', 'てくび', 'でこぼこ', 'てさぎょう', 'てさげ', 'てすり', 'てそう', 'てちがい', 'てちょう', 'てつがく', 'てつづき', 'でっぱ', 'てつぼう', 'てつや', 'でぬかえ', 'てぬき', 'てぬぐい', 'てのひら', 'てはい', 'てぶくろ', 'てふだ', 'てほどき', 'てほん', 'てまえ', 'てまきずし', 'てみじか', 'てみやげ', 'てらす', 'てれび', 'てわけ', 'てわたし', 'でんあつ', 'てんいん', 'てんかい', 'てんき', 'てんぐ', 'てんけん', 'てんごく', 'てんさい', 'てんし', 'てんすう', 'でんち', 'てんてき', 'てんとう', 'てんない', 'てんぷら', 'てんぼうだい', 'てんめつ', 'てんらんかい', 'でんりょく', 'でんわ', 'どあい', 'といれ', 'どうかん', 'とうきゅう', 'どうぐ', 'とうし', 'とうむぎ', 'とおい', 'とおか', 'とおく', 'とおす', 'とおる', 'とかい', 'とかす', 'ときおり', 'ときどき', 'とくい', 'とくしゅう', 'とくてん', 'とくに', 'とくべつ', 'とけい', 'とける', 'とこや', 'とさか', 'としょかん', 'とそう', 'とたん', 'とちゅう', 'とっきゅう', 'とっくん', 'とつぜん', 'とつにゅう', 'とどける', 'ととのえる', 'とない', 'となえる', 'となり', 'とのさま', 'とばす', 'どぶがわ', 'とほう', 'とまる', 'とめる', 'ともだち', 'ともる', 'どようび', 'とらえる', 'とんかつ', 'どんぶり', 'ないかく', 'ないこう', 'ないしょ', 'ないす', 'ないせん', 'ないそう', 'なおす', 'ながい', 'なくす', 'なげる', 'なこうど', 'なさけ', 'なたでここ', 'なっとう', 'なつやすみ', 'ななおし', 'なにごと', 'なにもの', 'なにわ', 'なのか', 'なふだ', 'なまいき', 'なまえ', 'なまみ', 'なみだ', 'なめらか', 'なめる', 'なやむ', 'ならう', 'ならび', 'ならぶ', 'なれる', 'なわとび', 'なわばり', 'にあう', 'にいがた', 'にうけ', 'におい', 'にかい', 'にがて', 'にきび', 'にくしみ', 'にくまん', 'にげる', 'にさんかたんそ', 'にしき', 'にせもの', 'にちじょう', 'にちようび', 'にっか', 'にっき', 'にっけい', 'にっこう', 'にっさん', 'にっしょく', 'にっすう', 'にっせき', 'にってい', 'になう', 'にほん', 'にまめ', 'にもつ', 'にやり', 'にゅういん', 'にりんしゃ', 'にわとり', 'にんい', 'にんか', 'にんき', 'にんげん', 'にんしき', 'にんずう', 'にんそう', 'にんたい', 'にんち', 'にんてい', 'にんにく', 'にんぷ', 'にんまり', 'にんむ', 'にんめい', 'にんよう', 'ぬいくぎ', 'ぬかす', 'ぬぐいとる', 'ぬぐう', 'ぬくもり', 'ぬすむ', 'ぬまえび', 'ぬめり', 'ぬらす', 'ぬんちゃく', 'ねあげ', 'ねいき', 'ねいる', 'ねいろ', 'ねぐせ', 'ねくたい', 'ねくら', 'ねこぜ', 'ねこむ', 'ねさげ', 'ねすごす', 'ねそべる', 'ねだん', 'ねつい', 'ねっしん', 'ねつぞう', 'ねったいぎょ', 'ねぶそく', 'ねふだ', 'ねぼう', 'ねほりはほり', 'ねまき', 'ねまわし', 'ねみみ', 'ねむい', 'ねむたい', 'ねもと', 'ねらう', 'ねわざ', 'ねんいり', 'ねんおし', 'ねんかん', 'ねんきん', 'ねんぐ', 'ねんざ', 'ねんし', 'ねんちゃく', 'ねんど', 'ねんぴ', 'ねんぶつ', 'ねんまつ', 'ねんりょう', 'ねんれい', 'のいず', 'のおづま', 'のがす', 'のきなみ', 'のこぎり', 'のこす', 'のこる', 'のせる', 'のぞく', 'のぞむ', 'のたまう', 'のちほど', 'のっく', 'のばす', 'のはら', 'のべる', 'のぼる', 'のみもの', 'のやま', 'のらいぬ', 'のらねこ', 'のりもの', 'のりゆき', 'のれん', 'のんき', 'ばあい', 'はあく', 'ばあさん', 'ばいか', 'ばいく', 'はいけん', 'はいご', 'はいしん', 'はいすい', 'はいせん', 'はいそう', 'はいち', 'ばいばい', 'はいれつ', 'はえる', 'はおる', 'はかい', 'ばかり', 'はかる', 'はくしゅ', 'はけん', 'はこぶ', 'はさみ', 'はさん', 'はしご', 'ばしょ', 'はしる', 'はせる', 'ぱそこん', 'はそん', 'はたん', 'はちみつ', 'はつおん', 'はっかく', 'はづき', 'はっきり', 'はっくつ', 'はっけん', 'はっこう', 'はっさん', 'はっしん', 'はったつ', 'はっちゅう', 'はってん', 'はっぴょう', 'はっぽう', 'はなす', 'はなび', 'はにかむ', 'はぶらし', 'はみがき', 'はむかう', 'はめつ', 'はやい', 'はやし', 'はらう', 'はろうぃん', 'はわい', 'はんい', 'はんえい', 'はんおん', 'はんかく', 'はんきょう', 'ばんぐみ', 'はんこ', 'はんしゃ', 'はんすう', 'はんだん', 'ぱんち', 'ぱんつ', 'はんてい', 'はんとし', 'はんのう', 'はんぱ', 'はんぶん', 'はんぺん', 'はんぼうき', 'はんめい', 'はんらん', 'はんろん', 'ひいき', 'ひうん', 'ひえる', 'ひかく', 'ひかり', 'ひかる', 'ひかん', 'ひくい', 'ひけつ', 'ひこうき', 'ひこく', 'ひさい', 'ひさしぶり', 'ひさん', 'びじゅつかん', 'ひしょ', 'ひそか', 'ひそむ', 'ひたむき', 'ひだり', 'ひたる', 'ひつぎ', 'ひっこし', 'ひっし', 'ひつじゅひん', 'ひっす', 'ひつぜん', 'ぴったり', 'ぴっちり', 'ひつよう', 'ひてい', 'ひとごみ', 'ひなまつり', 'ひなん', 'ひねる', 'ひはん', 'ひびく', 'ひひょう', 'ひほう', 'ひまわり', 'ひまん', 'ひみつ', 'ひめい', 'ひめじし', 'ひやけ', 'ひやす', 'ひよう', 'びょうき', 'ひらがな', 'ひらく', 'ひりつ', 'ひりょう', 'ひるま', 'ひるやすみ', 'ひれい', 'ひろい', 'ひろう', 'ひろき', 'ひろゆき', 'ひんかく', 'ひんけつ', 'ひんこん', 'ひんしゅ', 'ひんそう', 'ぴんち', 'ひんぱん', 'びんぼう', 'ふあん', 'ふいうち', 'ふうけい', 'ふうせん', 'ぷうたろう', 'ふうとう', 'ふうふ', 'ふえる', 'ふおん', 'ふかい', 'ふきん', 'ふくざつ', 'ふくぶくろ', 'ふこう', 'ふさい', 'ふしぎ', 'ふじみ', 'ふすま', 'ふせい', 'ふせぐ', 'ふそく', 'ぶたにく', 'ふたん', 'ふちょう', 'ふつう', 'ふつか', 'ふっかつ', 'ふっき', 'ふっこく', 'ぶどう', 'ふとる', 'ふとん', 'ふのう', 'ふはい', 'ふひょう', 'ふへん', 'ふまん', 'ふみん', 'ふめつ', 'ふめん', 'ふよう', 'ふりこ', 'ふりる', 'ふるい', 'ふんいき', 'ぶんがく', 'ぶんぐ', 'ふんしつ', 'ぶんせき', 'ふんそう', 'ぶんぽう', 'へいあん', 'へいおん', 'へいがい', 'へいき', 'へいげん', 'へいこう', 'へいさ', 'へいしゃ', 'へいせつ', 'へいそ', 'へいたく', 'へいてん', 'へいねつ', 'へいわ', 'へきが', 'へこむ', 'べにいろ', 'べにしょうが', 'へらす', 'へんかん', 'べんきょう', 'べんごし', 'へんさい', 'へんたい', 'べんり', 'ほあん', 'ほいく', 'ぼうぎょ', 'ほうこく', 'ほうそう', 'ほうほう', 'ほうもん', 'ほうりつ', 'ほえる', 'ほおん', 'ほかん', 'ほきょう', 'ぼきん', 'ほくろ', 'ほけつ', 'ほけん', 'ほこう', 'ほこる', 'ほしい', 'ほしつ', 'ほしゅ', 'ほしょう', 'ほせい', 'ほそい', 'ほそく', 'ほたて', 'ほたる', 'ぽちぶくろ', 'ほっきょく', 'ほっさ', 'ほったん', 'ほとんど', 'ほめる', 'ほんい', 'ほんき', 'ほんけ', 'ほんしつ', 'ほんやく', 'まいにち', 'まかい', 'まかせる', 'まがる', 'まける', 'まこと', 'まさつ', 'まじめ', 'ますく', 'まぜる', 'まつり', 'まとめ', 'まなぶ', 'まぬけ', 'まねく', 'まほう', 'まもる', 'まゆげ', 'まよう', 'まろやか', 'まわす', 'まわり', 'まわる', 'まんが', 'まんきつ', 'まんぞく', 'まんなか', 'みいら', 'みうち', 'みえる', 'みがく', 'みかた', 'みかん', 'みけん', 'みこん', 'みじかい', 'みすい', 'みすえる', 'みせる', 'みっか', 'みつかる', 'みつける', 'みてい', 'みとめる', 'みなと', 'みなみかさい', 'みねらる', 'みのう', 'みのがす', 'みほん', 'みもと', 'みやげ', 'みらい', 'みりょく', 'みわく', 'みんか', 'みんぞく', 'むいか', 'むえき', 'むえん', 'むかい', 'むかう', 'むかえ', 'むかし', 'むぎちゃ', 'むける', 'むげん', 'むさぼる', 'むしあつい', 'むしば', 'むじゅん', 'むしろ', 'むすう', 'むすこ', 'むすぶ', 'むすめ', 'むせる', 'むせん', 'むちゅう', 'むなしい', 'むのう', 'むやみ', 'むよう', 'むらさき', 'むりょう', 'むろん', 'めいあん', 'めいうん', 'めいえん', 'めいかく', 'めいきょく', 'めいさい', 'めいし', 'めいそう', 'めいぶつ', 'めいれい', 'めいわく', 'めぐまれる', 'めざす', 'めした', 'めずらしい', 'めだつ', 'めまい', 'めやす', 'めんきょ', 'めんせき', 'めんどう', 'もうしあげる', 'もうどうけん', 'もえる', 'もくし', 'もくてき', 'もくようび', 'もちろん', 'もどる', 'もらう', 'もんく', 'もんだい', 'やおや', 'やける', 'やさい', 'やさしい', 'やすい', 'やすたろう', 'やすみ', 'やせる', 'やそう', 'やたい', 'やちん', 'やっと', 'やっぱり', 'やぶる', 'やめる', 'ややこしい', 'やよい', 'やわらかい', 'ゆうき', 'ゆうびんきょく', 'ゆうべ', 'ゆうめい', 'ゆけつ', 'ゆしゅつ', 'ゆせん', 'ゆそう', 'ゆたか', 'ゆちゃく', 'ゆでる', 'ゆにゅう', 'ゆびわ', 'ゆらい', 'ゆれる', 'ようい', 'ようか', 'ようきゅう', 'ようじ', 'ようす', 'ようちえん', 'よかぜ', 'よかん', 'よきん', 'よくせい', 'よくぼう', 'よけい', 'よごれる', 'よさん', 'よしゅう', 'よそう', 'よそく', 'よっか', 'よてい', 'よどがわく', 'よねつ', 'よやく', 'よゆう', 'よろこぶ', 'よろしい', 'らいう', 'らくがき', 'らくご', 'らくさつ', 'らくだ', 'らしんばん', 'らせん', 'らぞく', 'らたい', 'らっか', 'られつ', 'りえき', 'りかい', 'りきさく', 'りきせつ', 'りくぐん', 'りくつ', 'りけん', 'りこう', 'りせい', 'りそう', 'りそく', 'りてん', 'りねん', 'りゆう', 'りゅうがく', 'りよう', 'りょうり', 'りょかん', 'りょくちゃ', 'りょこう', 'りりく', 'りれき', 'りろん', 'りんご', 'るいけい', 'るいさい', 'るいじ', 'るいせき', 'るすばん', 'るりがわら', 'れいかん', 'れいぎ', 'れいせい', 'れいぞうこ', 'れいとう', 'れいぼう', 'れきし', 'れきだい', 'れんあい', 'れんけい', 'れんこん', 'れんさい', 'れんしゅう', 'れんぞく', 'れんらく', 'ろうか', 'ろうご', 'ろうじん', 'ろうそく', 'ろくが', 'ろこつ', 'ろじうら', 'ろしゅつ', 'ろせん', 'ろてん', 'ろめん', 'ろれつ', 'ろんぎ', 'ろんぱ', 'ろんぶん', 'ろんり', 'わかす', 'わかめ', 'わかやま', 'わかれる', 'わしつ', 'わじまし', 'わすれもの', 'わらう', 'われる'];
+
+module.exports = japanese;
+
+},{}],245:[function(require,module,exports){
+'use strict';
+
+var spanish = ['ábaco', 'abdomen', 'abeja', 'abierto', 'abogado', 'abono', 'aborto', 'abrazo', 'abrir', 'abuelo', 'abuso', 'acabar', 'academia', 'acceso', 'acción', 'aceite', 'acelga', 'acento', 'aceptar', 'ácido', 'aclarar', 'acné', 'acoger', 'acoso', 'activo', 'acto', 'actriz', 'actuar', 'acudir', 'acuerdo', 'acusar', 'adicto', 'admitir', 'adoptar', 'adorno', 'aduana', 'adulto', 'aéreo', 'afectar', 'afición', 'afinar', 'afirmar', 'ágil', 'agitar', 'agonía', 'agosto', 'agotar', 'agregar', 'agrio', 'agua', 'agudo', 'águila', 'aguja', 'ahogo', 'ahorro', 'aire', 'aislar', 'ajedrez', 'ajeno', 'ajuste', 'alacrán', 'alambre', 'alarma', 'alba', 'álbum', 'alcalde', 'aldea', 'alegre', 'alejar', 'alerta', 'aleta', 'alfiler', 'alga', 'algodón', 'aliado', 'aliento', 'alivio', 'alma', 'almeja', 'almíbar', 'altar', 'alteza', 'altivo', 'alto', 'altura', 'alumno', 'alzar', 'amable', 'amante', 'amapola', 'amargo', 'amasar', 'ámbar', 'ámbito', 'ameno', 'amigo', 'amistad', 'amor', 'amparo', 'amplio', 'ancho', 'anciano', 'ancla', 'andar', 'andén', 'anemia', 'ángulo', 'anillo', 'ánimo', 'anís', 'anotar', 'antena', 'antiguo', 'antojo', 'anual', 'anular', 'anuncio', 'añadir', 'añejo', 'año', 'apagar', 'aparato', 'apetito', 'apio', 'aplicar', 'apodo', 'aporte', 'apoyo', 'aprender', 'aprobar', 'apuesta', 'apuro', 'arado', 'araña', 'arar', 'árbitro', 'árbol', 'arbusto', 'archivo', 'arco', 'arder', 'ardilla', 'arduo', 'área', 'árido', 'aries', 'armonía', 'arnés', 'aroma', 'arpa', 'arpón', 'arreglo', 'arroz', 'arruga', 'arte', 'artista', 'asa', 'asado', 'asalto', 'ascenso', 'asegurar', 'aseo', 'asesor', 'asiento', 'asilo', 'asistir', 'asno', 'asombro', 'áspero', 'astilla', 'astro', 'astuto', 'asumir', 'asunto', 'atajo', 'ataque', 'atar', 'atento', 'ateo', 'ático', 'atleta', 'átomo', 'atraer', 'atroz', 'atún', 'audaz', 'audio', 'auge', 'aula', 'aumento', 'ausente', 'autor', 'aval', 'avance', 'avaro', 'ave', 'avellana', 'avena', 'avestruz', 'avión', 'aviso', 'ayer', 'ayuda', 'ayuno', 'azafrán', 'azar', 'azote', 'azúcar', 'azufre', 'azul', 'baba', 'babor', 'bache', 'bahía', 'baile', 'bajar', 'balanza', 'balcón', 'balde', 'bambú', 'banco', 'banda', 'baño', 'barba', 'barco', 'barniz', 'barro', 'báscula', 'bastón', 'basura', 'batalla', 'batería', 'batir', 'batuta', 'baúl', 'bazar', 'bebé', 'bebida', 'bello', 'besar', 'beso', 'bestia', 'bicho', 'bien', 'bingo', 'blanco', 'bloque', 'blusa', 'boa', 'bobina', 'bobo', 'boca', 'bocina', 'boda', 'bodega', 'boina', 'bola', 'bolero', 'bolsa', 'bomba', 'bondad', 'bonito', 'bono', 'bonsái', 'borde', 'borrar', 'bosque', 'bote', 'botín', 'bóveda', 'bozal', 'bravo', 'brazo', 'brecha', 'breve', 'brillo', 'brinco', 'brisa', 'broca', 'broma', 'bronce', 'brote', 'bruja', 'brusco', 'bruto', 'buceo', 'bucle', 'bueno', 'buey', 'bufanda', 'bufón', 'búho', 'buitre', 'bulto', 'burbuja', 'burla', 'burro', 'buscar', 'butaca', 'buzón', 'caballo', 'cabeza', 'cabina', 'cabra', 'cacao', 'cadáver', 'cadena', 'caer', 'café', 'caída', 'caimán', 'caja', 'cajón', 'cal', 'calamar', 'calcio', 'caldo', 'calidad', 'calle', 'calma', 'calor', 'calvo', 'cama', 'cambio', 'camello', 'camino', 'campo', 'cáncer', 'candil', 'canela', 'canguro', 'canica', 'canto', 'caña', 'cañón', 'caoba', 'caos', 'capaz', 'capitán', 'capote', 'captar', 'capucha', 'cara', 'carbón', 'cárcel', 'careta', 'carga', 'cariño', 'carne', 'carpeta', 'carro', 'carta', 'casa', 'casco', 'casero', 'caspa', 'castor', 'catorce', 'catre', 'caudal', 'causa', 'cazo', 'cebolla', 'ceder', 'cedro', 'celda', 'célebre', 'celoso', 'célula', 'cemento', 'ceniza', 'centro', 'cerca', 'cerdo', 'cereza', 'cero', 'cerrar', 'certeza', 'césped', 'cetro', 'chacal', 'chaleco', 'champú', 'chancla', 'chapa', 'charla', 'chico', 'chiste', 'chivo', 'choque', 'choza', 'chuleta', 'chupar', 'ciclón', 'ciego', 'cielo', 'cien', 'cierto', 'cifra', 'cigarro', 'cima', 'cinco', 'cine', 'cinta', 'ciprés', 'circo', 'ciruela', 'cisne', 'cita', 'ciudad', 'clamor', 'clan', 'claro', 'clase', 'clave', 'cliente', 'clima', 'clínica', 'cobre', 'cocción', 'cochino', 'cocina', 'coco', 'código', 'codo', 'cofre', 'coger', 'cohete', 'cojín', 'cojo', 'cola', 'colcha', 'colegio', 'colgar', 'colina', 'collar', 'colmo', 'columna', 'combate', 'comer', 'comida', 'cómodo', 'compra', 'conde', 'conejo', 'conga', 'conocer', 'consejo', 'contar', 'copa', 'copia', 'corazón', 'corbata', 'corcho', 'cordón', 'corona', 'correr', 'coser', 'cosmos', 'costa', 'cráneo', 'cráter', 'crear', 'crecer', 'creído', 'crema', 'cría', 'crimen', 'cripta', 'crisis', 'cromo', 'crónica', 'croqueta', 'crudo', 'cruz', 'cuadro', 'cuarto', 'cuatro', 'cubo', 'cubrir', 'cuchara', 'cuello', 'cuento', 'cuerda', 'cuesta', 'cueva', 'cuidar', 'culebra', 'culpa', 'culto', 'cumbre', 'cumplir', 'cuna', 'cuneta', 'cuota', 'cupón', 'cúpula', 'curar', 'curioso', 'curso', 'curva', 'cutis', 'dama', 'danza', 'dar', 'dardo', 'dátil', 'deber', 'débil', 'década', 'decir', 'dedo', 'defensa', 'definir', 'dejar', 'delfín', 'delgado', 'delito', 'demora', 'denso', 'dental', 'deporte', 'derecho', 'derrota', 'desayuno', 'deseo', 'desfile', 'desnudo', 'destino', 'desvío', 'detalle', 'detener', 'deuda', 'día', 'diablo', 'diadema', 'diamante', 'diana', 'diario', 'dibujo', 'dictar', 'diente', 'dieta', 'diez', 'difícil', 'digno', 'dilema', 'diluir', 'dinero', 'directo', 'dirigir', 'disco', 'diseño', 'disfraz', 'diva', 'divino', 'doble', 'doce', 'dolor', 'domingo', 'don', 'donar', 'dorado', 'dormir', 'dorso', 'dos', 'dosis', 'dragón', 'droga', 'ducha', 'duda', 'duelo', 'dueño', 'dulce', 'dúo', 'duque', 'durar', 'dureza', 'duro', 'ébano', 'ebrio', 'echar', 'eco', 'ecuador', 'edad', 'edición', 'edificio', 'editor', 'educar', 'efecto', 'eficaz', 'eje', 'ejemplo', 'elefante', 'elegir', 'elemento', 'elevar', 'elipse', 'élite', 'elixir', 'elogio', 'eludir', 'embudo', 'emitir', 'emoción', 'empate', 'empeño', 'empleo', 'empresa', 'enano', 'encargo', 'enchufe', 'encía', 'enemigo', 'enero', 'enfado', 'enfermo', 'engaño', 'enigma', 'enlace', 'enorme', 'enredo', 'ensayo', 'enseñar', 'entero', 'entrar', 'envase', 'envío', 'época', 'equipo', 'erizo', 'escala', 'escena', 'escolar', 'escribir', 'escudo', 'esencia', 'esfera', 'esfuerzo', 'espada', 'espejo', 'espía', 'esposa', 'espuma', 'esquí', 'estar', 'este', 'estilo', 'estufa', 'etapa', 'eterno', 'ética', 'etnia', 'evadir', 'evaluar', 'evento', 'evitar', 'exacto', 'examen', 'exceso', 'excusa', 'exento', 'exigir', 'exilio', 'existir', 'éxito', 'experto', 'explicar', 'exponer', 'extremo', 'fábrica', 'fábula', 'fachada', 'fácil', 'factor', 'faena', 'faja', 'falda', 'fallo', 'falso', 'faltar', 'fama', 'familia', 'famoso', 'faraón', 'farmacia', 'farol', 'farsa', 'fase', 'fatiga', 'fauna', 'favor', 'fax', 'febrero', 'fecha', 'feliz', 'feo', 'feria', 'feroz', 'fértil', 'fervor', 'festín', 'fiable', 'fianza', 'fiar', 'fibra', 'ficción', 'ficha', 'fideo', 'fiebre', 'fiel', 'fiera', 'fiesta', 'figura', 'fijar', 'fijo', 'fila', 'filete', 'filial', 'filtro', 'fin', 'finca', 'fingir', 'finito', 'firma', 'flaco', 'flauta', 'flecha', 'flor', 'flota', 'fluir', 'flujo', 'flúor', 'fobia', 'foca', 'fogata', 'fogón', 'folio', 'folleto', 'fondo', 'forma', 'forro', 'fortuna', 'forzar', 'fosa', 'foto', 'fracaso', 'frágil', 'franja', 'frase', 'fraude', 'freír', 'freno', 'fresa', 'frío', 'frito', 'fruta', 'fuego', 'fuente', 'fuerza', 'fuga', 'fumar', 'función', 'funda', 'furgón', 'furia', 'fusil', 'fútbol', 'futuro', 'gacela', 'gafas', 'gaita', 'gajo', 'gala', 'galería', 'gallo', 'gamba', 'ganar', 'gancho', 'ganga', 'ganso', 'garaje', 'garza', 'gasolina', 'gastar', 'gato', 'gavilán', 'gemelo', 'gemir', 'gen', 'género', 'genio', 'gente', 'geranio', 'gerente', 'germen', 'gesto', 'gigante', 'gimnasio', 'girar', 'giro', 'glaciar', 'globo', 'gloria', 'gol', 'golfo', 'goloso', 'golpe', 'goma', 'gordo', 'gorila', 'gorra', 'gota', 'goteo', 'gozar', 'grada', 'gráfico', 'grano', 'grasa', 'gratis', 'grave', 'grieta', 'grillo', 'gripe', 'gris', 'grito', 'grosor', 'grúa', 'grueso', 'grumo', 'grupo', 'guante', 'guapo', 'guardia', 'guerra', 'guía', 'guiño', 'guion', 'guiso', 'guitarra', 'gusano', 'gustar', 'haber', 'hábil', 'hablar', 'hacer', 'hacha', 'hada', 'hallar', 'hamaca', 'harina', 'haz', 'hazaña', 'hebilla', 'hebra', 'hecho', 'helado', 'helio', 'hembra', 'herir', 'hermano', 'héroe', 'hervir', 'hielo', 'hierro', 'hígado', 'higiene', 'hijo', 'himno', 'historia', 'hocico', 'hogar', 'hoguera', 'hoja', 'hombre', 'hongo', 'honor', 'honra', 'hora', 'hormiga', 'horno', 'hostil', 'hoyo', 'hueco', 'huelga', 'huerta', 'hueso', 'huevo', 'huida', 'huir', 'humano', 'húmedo', 'humilde', 'humo', 'hundir', 'huracán', 'hurto', 'icono', 'ideal', 'idioma', 'ídolo', 'iglesia', 'iglú', 'igual', 'ilegal', 'ilusión', 'imagen', 'imán', 'imitar', 'impar', 'imperio', 'imponer', 'impulso', 'incapaz', 'índice', 'inerte', 'infiel', 'informe', 'ingenio', 'inicio', 'inmenso', 'inmune', 'innato', 'insecto', 'instante', 'interés', 'íntimo', 'intuir', 'inútil', 'invierno', 'ira', 'iris', 'ironía', 'isla', 'islote', 'jabalí', 'jabón', 'jamón', 'jarabe', 'jardín', 'jarra', 'jaula', 'jazmín', 'jefe', 'jeringa', 'jinete', 'jornada', 'joroba', 'joven', 'joya', 'juerga', 'jueves', 'juez', 'jugador', 'jugo', 'juguete', 'juicio', 'junco', 'jungla', 'junio', 'juntar', 'júpiter', 'jurar', 'justo', 'juvenil', 'juzgar', 'kilo', 'koala', 'labio', 'lacio', 'lacra', 'lado', 'ladrón', 'lagarto', 'lágrima', 'laguna', 'laico', 'lamer', 'lámina', 'lámpara', 'lana', 'lancha', 'langosta', 'lanza', 'lápiz', 'largo', 'larva', 'lástima', 'lata', 'látex', 'latir', 'laurel', 'lavar', 'lazo', 'leal', 'lección', 'leche', 'lector', 'leer', 'legión', 'legumbre', 'lejano', 'lengua', 'lento', 'leña', 'león', 'leopardo', 'lesión', 'letal', 'letra', 'leve', 'leyenda', 'libertad', 'libro', 'licor', 'líder', 'lidiar', 'lienzo', 'liga', 'ligero', 'lima', 'límite', 'limón', 'limpio', 'lince', 'lindo', 'línea', 'lingote', 'lino', 'linterna', 'líquido', 'liso', 'lista', 'litera', 'litio', 'litro', 'llaga', 'llama', 'llanto', 'llave', 'llegar', 'llenar', 'llevar', 'llorar', 'llover', 'lluvia', 'lobo', 'loción', 'loco', 'locura', 'lógica', 'logro', 'lombriz', 'lomo', 'lonja', 'lote', 'lucha', 'lucir', 'lugar', 'lujo', 'luna', 'lunes', 'lupa', 'lustro', 'luto', 'luz', 'maceta', 'macho', 'madera', 'madre', 'maduro', 'maestro', 'mafia', 'magia', 'mago', 'maíz', 'maldad', 'maleta', 'malla', 'malo', 'mamá', 'mambo', 'mamut', 'manco', 'mando', 'manejar', 'manga', 'maniquí', 'manjar', 'mano', 'manso', 'manta', 'mañana', 'mapa', 'máquina', 'mar', 'marco', 'marea', 'marfil', 'margen', 'marido', 'mármol', 'marrón', 'martes', 'marzo', 'masa', 'máscara', 'masivo', 'matar', 'materia', 'matiz', 'matriz', 'máximo', 'mayor', 'mazorca', 'mecha', 'medalla', 'medio', 'médula', 'mejilla', 'mejor', 'melena', 'melón', 'memoria', 'menor', 'mensaje', 'mente', 'menú', 'mercado', 'merengue', 'mérito', 'mes', 'mesón', 'meta', 'meter', 'método', 'metro', 'mezcla', 'miedo', 'miel', 'miembro', 'miga', 'mil', 'milagro', 'militar', 'millón', 'mimo', 'mina', 'minero', 'mínimo', 'minuto', 'miope', 'mirar', 'misa', 'miseria', 'misil', 'mismo', 'mitad', 'mito', 'mochila', 'moción', 'moda', 'modelo', 'moho', 'mojar', 'molde', 'moler', 'molino', 'momento', 'momia', 'monarca', 'moneda', 'monja', 'monto', 'moño', 'morada', 'morder', 'moreno', 'morir', 'morro', 'morsa', 'mortal', 'mosca', 'mostrar', 'motivo', 'mover', 'móvil', 'mozo', 'mucho', 'mudar', 'mueble', 'muela', 'muerte', 'muestra', 'mugre', 'mujer', 'mula', 'muleta', 'multa', 'mundo', 'muñeca', 'mural', 'muro', 'músculo', 'museo', 'musgo', 'música', 'muslo', 'nácar', 'nación', 'nadar', 'naipe', 'naranja', 'nariz', 'narrar', 'nasal', 'natal', 'nativo', 'natural', 'náusea', 'naval', 'nave', 'navidad', 'necio', 'néctar', 'negar', 'negocio', 'negro', 'neón', 'nervio', 'neto', 'neutro', 'nevar', 'nevera', 'nicho', 'nido', 'niebla', 'nieto', 'niñez', 'niño', 'nítido', 'nivel', 'nobleza', 'noche', 'nómina', 'noria', 'norma', 'norte', 'nota', 'noticia', 'novato', 'novela', 'novio', 'nube', 'nuca', 'núcleo', 'nudillo', 'nudo', 'nuera', 'nueve', 'nuez', 'nulo', 'número', 'nutria', 'oasis', 'obeso', 'obispo', 'objeto', 'obra', 'obrero', 'observar', 'obtener', 'obvio', 'oca', 'ocaso', 'océano', 'ochenta', 'ocho', 'ocio', 'ocre', 'octavo', 'octubre', 'oculto', 'ocupar', 'ocurrir', 'odiar', 'odio', 'odisea', 'oeste', 'ofensa', 'oferta', 'oficio', 'ofrecer', 'ogro', 'oído', 'oír', 'ojo', 'ola', 'oleada', 'olfato', 'olivo', 'olla', 'olmo', 'olor', 'olvido', 'ombligo', 'onda', 'onza', 'opaco', 'opción', 'ópera', 'opinar', 'oponer', 'optar', 'óptica', 'opuesto', 'oración', 'orador', 'oral', 'órbita', 'orca', 'orden', 'oreja', 'órgano', 'orgía', 'orgullo', 'oriente', 'origen', 'orilla', 'oro', 'orquesta', 'oruga', 'osadía', 'oscuro', 'osezno', 'oso', 'ostra', 'otoño', 'otro', 'oveja', 'óvulo', 'óxido', 'oxígeno', 'oyente', 'ozono', 'pacto', 'padre', 'paella', 'página', 'pago', 'país', 'pájaro', 'palabra', 'palco', 'paleta', 'pálido', 'palma', 'paloma', 'palpar', 'pan', 'panal', 'pánico', 'pantera', 'pañuelo', 'papá', 'papel', 'papilla', 'paquete', 'parar', 'parcela', 'pared', 'parir', 'paro', 'párpado', 'parque', 'párrafo', 'parte', 'pasar', 'paseo', 'pasión', 'paso', 'pasta', 'pata', 'patio', 'patria', 'pausa', 'pauta', 'pavo', 'payaso', 'peatón', 'pecado', 'pecera', 'pecho', 'pedal', 'pedir', 'pegar', 'peine', 'pelar', 'peldaño', 'pelea', 'peligro', 'pellejo', 'pelo', 'peluca', 'pena', 'pensar', 'peñón', 'peón', 'peor', 'pepino', 'pequeño', 'pera', 'percha', 'perder', 'pereza', 'perfil', 'perico', 'perla', 'permiso', 'perro', 'persona', 'pesa', 'pesca', 'pésimo', 'pestaña', 'pétalo', 'petróleo', 'pez', 'pezuña', 'picar', 'pichón', 'pie', 'piedra', 'pierna', 'pieza', 'pijama', 'pilar', 'piloto', 'pimienta', 'pino', 'pintor', 'pinza', 'piña', 'piojo', 'pipa', 'pirata', 'pisar', 'piscina', 'piso', 'pista', 'pitón', 'pizca', 'placa', 'plan', 'plata', 'playa', 'plaza', 'pleito', 'pleno', 'plomo', 'pluma', 'plural', 'pobre', 'poco', 'poder', 'podio', 'poema', 'poesía', 'poeta', 'polen', 'policía', 'pollo', 'polvo', 'pomada', 'pomelo', 'pomo', 'pompa', 'poner', 'porción', 'portal', 'posada', 'poseer', 'posible', 'poste', 'potencia', 'potro', 'pozo', 'prado', 'precoz', 'pregunta', 'premio', 'prensa', 'preso', 'previo', 'primo', 'príncipe', 'prisión', 'privar', 'proa', 'probar', 'proceso', 'producto', 'proeza', 'profesor', 'programa', 'prole', 'promesa', 'pronto', 'propio', 'próximo', 'prueba', 'público', 'puchero', 'pudor', 'pueblo', 'puerta', 'puesto', 'pulga', 'pulir', 'pulmón', 'pulpo', 'pulso', 'puma', 'punto', 'puñal', 'puño', 'pupa', 'pupila', 'puré', 'quedar', 'queja', 'quemar', 'querer', 'queso', 'quieto', 'química', 'quince', 'quitar', 'rábano', 'rabia', 'rabo', 'ración', 'radical', 'raíz', 'rama', 'rampa', 'rancho', 'rango', 'rapaz', 'rápido', 'rapto', 'rasgo', 'raspa', 'rato', 'rayo', 'raza', 'razón', 'reacción', 'realidad', 'rebaño', 'rebote', 'recaer', 'receta', 'rechazo', 'recoger', 'recreo', 'recto', 'recurso', 'red', 'redondo', 'reducir', 'reflejo', 'reforma', 'refrán', 'refugio', 'regalo', 'regir', 'regla', 'regreso', 'rehén', 'reino', 'reír', 'reja', 'relato', 'relevo', 'relieve', 'relleno', 'reloj', 'remar', 'remedio', 'remo', 'rencor', 'rendir', 'renta', 'reparto', 'repetir', 'reposo', 'reptil', 'res', 'rescate', 'resina', 'respeto', 'resto', 'resumen', 'retiro', 'retorno', 'retrato', 'reunir', 'revés', 'revista', 'rey', 'rezar', 'rico', 'riego', 'rienda', 'riesgo', 'rifa', 'rígido', 'rigor', 'rincón', 'riñón', 'río', 'riqueza', 'risa', 'ritmo', 'rito', 'rizo', 'roble', 'roce', 'rociar', 'rodar', 'rodeo', 'rodilla', 'roer', 'rojizo', 'rojo', 'romero', 'romper', 'ron', 'ronco', 'ronda', 'ropa', 'ropero', 'rosa', 'rosca', 'rostro', 'rotar', 'rubí', 'rubor', 'rudo', 'rueda', 'rugir', 'ruido', 'ruina', 'ruleta', 'rulo', 'rumbo', 'rumor', 'ruptura', 'ruta', 'rutina', 'sábado', 'saber', 'sabio', 'sable', 'sacar', 'sagaz', 'sagrado', 'sala', 'saldo', 'salero', 'salir', 'salmón', 'salón', 'salsa', 'salto', 'salud', 'salvar', 'samba', 'sanción', 'sandía', 'sanear', 'sangre', 'sanidad', 'sano', 'santo', 'sapo', 'saque', 'sardina', 'sartén', 'sastre', 'satán', 'sauna', 'saxofón', 'sección', 'seco', 'secreto', 'secta', 'sed', 'seguir', 'seis', 'sello', 'selva', 'semana', 'semilla', 'senda', 'sensor', 'señal', 'señor', 'separar', 'sepia', 'sequía', 'ser', 'serie', 'sermón', 'servir', 'sesenta', 'sesión', 'seta', 'setenta', 'severo', 'sexo', 'sexto', 'sidra', 'siesta', 'siete', 'siglo', 'signo', 'sílaba', 'silbar', 'silencio', 'silla', 'símbolo', 'simio', 'sirena', 'sistema', 'sitio', 'situar', 'sobre', 'socio', 'sodio', 'sol', 'solapa', 'soldado', 'soledad', 'sólido', 'soltar', 'solución', 'sombra', 'sondeo', 'sonido', 'sonoro', 'sonrisa', 'sopa', 'soplar', 'soporte', 'sordo', 'sorpresa', 'sorteo', 'sostén', 'sótano', 'suave', 'subir', 'suceso', 'sudor', 'suegra', 'suelo', 'sueño', 'suerte', 'sufrir', 'sujeto', 'sultán', 'sumar', 'superar', 'suplir', 'suponer', 'supremo', 'sur', 'surco', 'sureño', 'surgir', 'susto', 'sutil', 'tabaco', 'tabique', 'tabla', 'tabú', 'taco', 'tacto', 'tajo', 'talar', 'talco', 'talento', 'talla', 'talón', 'tamaño', 'tambor', 'tango', 'tanque', 'tapa', 'tapete', 'tapia', 'tapón', 'taquilla', 'tarde', 'tarea', 'tarifa', 'tarjeta', 'tarot', 'tarro', 'tarta', 'tatuaje', 'tauro', 'taza', 'tazón', 'teatro', 'techo', 'tecla', 'técnica', 'tejado', 'tejer', 'tejido', 'tela', 'teléfono', 'tema', 'temor', 'templo', 'tenaz', 'tender', 'tener', 'tenis', 'tenso', 'teoría', 'terapia', 'terco', 'término', 'ternura', 'terror', 'tesis', 'tesoro', 'testigo', 'tetera', 'texto', 'tez', 'tibio', 'tiburón', 'tiempo', 'tienda', 'tierra', 'tieso', 'tigre', 'tijera', 'tilde', 'timbre', 'tímido', 'timo', 'tinta', 'tío', 'típico', 'tipo', 'tira', 'tirón', 'titán', 'títere', 'título', 'tiza', 'toalla', 'tobillo', 'tocar', 'tocino', 'todo', 'toga', 'toldo', 'tomar', 'tono', 'tonto', 'topar', 'tope', 'toque', 'tórax', 'torero', 'tormenta', 'torneo', 'toro', 'torpedo', 'torre', 'torso', 'tortuga', 'tos', 'tosco', 'toser', 'tóxico', 'trabajo', 'tractor', 'traer', 'tráfico', 'trago', 'traje', 'tramo', 'trance', 'trato', 'trauma', 'trazar', 'trébol', 'tregua', 'treinta', 'tren', 'trepar', 'tres', 'tribu', 'trigo', 'tripa', 'triste', 'triunfo', 'trofeo', 'trompa', 'tronco', 'tropa', 'trote', 'trozo', 'truco', 'trueno', 'trufa', 'tubería', 'tubo', 'tuerto', 'tumba', 'tumor', 'túnel', 'túnica', 'turbina', 'turismo', 'turno', 'tutor', 'ubicar', 'úlcera', 'umbral', 'unidad', 'unir', 'universo', 'uno', 'untar', 'uña', 'urbano', 'urbe', 'urgente', 'urna', 'usar', 'usuario', 'útil', 'utopía', 'uva', 'vaca', 'vacío', 'vacuna', 'vagar', 'vago', 'vaina', 'vajilla', 'vale', 'válido', 'valle', 'valor', 'válvula', 'vampiro', 'vara', 'variar', 'varón', 'vaso', 'vecino', 'vector', 'vehículo', 'veinte', 'vejez', 'vela', 'velero', 'veloz', 'vena', 'vencer', 'venda', 'veneno', 'vengar', 'venir', 'venta', 'venus', 'ver', 'verano', 'verbo', 'verde', 'vereda', 'verja', 'verso', 'verter', 'vía', 'viaje', 'vibrar', 'vicio', 'víctima', 'vida', 'vídeo', 'vidrio', 'viejo', 'viernes', 'vigor', 'vil', 'villa', 'vinagre', 'vino', 'viñedo', 'violín', 'viral', 'virgo', 'virtud', 'visor', 'víspera', 'vista', 'vitamina', 'viudo', 'vivaz', 'vivero', 'vivir', 'vivo', 'volcán', 'volumen', 'volver', 'voraz', 'votar', 'voto', 'voz', 'vuelo', 'vulgar', 'yacer', 'yate', 'yegua', 'yema', 'yerno', 'yeso', 'yodo', 'yoga', 'yogur', 'zafiro', 'zanja', 'zapato', 'zarza', 'zona', 'zorro', 'zumo', 'zurdo'];
+
+module.exports = spanish;
+
+},{}],246:[function(require,module,exports){
+'use strict';
+var _ = require('lodash');
+
+var BufferUtil = require('./util/buffer');
+var JSUtil = require('./util/js');
+var networks = [];
+var networkMaps = {};
+
+/**
+ * A network is merely a map containing values that correspond to version
+ * numbers for each bitcoin network. Currently only supporting "livenet"
+ * (a.k.a. "mainnet") and "testnet".
+ * @constructor
+ */
+function Network() {}
+
+Network.prototype.toString = function toString() {
+  return this.name;
+};
+
+/**
+ * @function
+ * @member Networks#get
+ * Retrieves the network associated with a magic number or string.
+ * @param {string|number|Network} arg
+ * @param {string|Array} keys - if set, only check if the magic number associated with this name matches
+ * @return Network
+ */
+function get(arg, keys) {
+  if (~networks.indexOf(arg)) {
+    return arg;
+  }
+  if (keys) {
+    if (!_.isArray(keys)) {
+      keys = [keys];
+    }
+    var containsArg = function(key) {
+      return networks[index][key] === arg;
+    };
+    for (var index in networks) {
+      if (_.some(keys, containsArg)) {
+        return networks[index];
+      }
+    }
+    return undefined;
+  }
+  return networkMaps[arg];
+}
+
+/**
+ * @function
+ * @member Networks#add
+ * Will add a custom Network
+ * @param {Object} data
+ * @param {string} data.name - The name of the network
+ * @param {string} data.alias - The aliased name of the network
+ * @param {Number} data.pubkeyhash - The publickey hash prefix
+ * @param {Number} data.privatekey - The privatekey prefix
+ * @param {Number} data.scripthash - The scripthash prefix
+ * @param {Number} data.xpubkey - The extended public key magic
+ * @param {Number} data.xprivkey - The extended private key magic
+ * @param {Number} data.networkMagic - The network magic number
+ * @param {Number} data.port - The network port
+ * @param {Array}  data.dnsSeeds - An array of dns seeds
+ * @return Network
+ */
+function addNetwork(data) {
+
+  var network = new Network();
+
+  JSUtil.defineImmutable(network, {
+    name: data.name,
+    alias: data.alias,
+    pubkeyhash: data.pubkeyhash,
+    privatekey: data.privatekey,
+    scripthash: data.scripthash,
+    xpubkey: data.xpubkey,
+    xprivkey: data.xprivkey
+  });
+
+  if (data.networkMagic) {
+    JSUtil.defineImmutable(network, {
+      networkMagic: BufferUtil.integerAsBuffer(data.networkMagic)
+    });
+  }
+
+  if (data.port) {
+    JSUtil.defineImmutable(network, {
+      port: data.port
+    });
+  }
+
+  if (data.dnsSeeds) {
+    JSUtil.defineImmutable(network, {
+      dnsSeeds: data.dnsSeeds
+    });
+  }
+  _.each(network, function(value) {
+    if (!_.isUndefined(value) && !_.isObject(value)) {
+      networkMaps[value] = network;
+    }
+  });
+
+  networks.push(network);
+
+  return network;
+
+}
+
+/**
+ * @function
+ * @member Networks#remove
+ * Will remove a custom network
+ * @param {Network} network
+ */
+function removeNetwork(network) {
+  for (var i = 0; i < networks.length; i++) {
+    if (networks[i] === network) {
+      networks.splice(i, 1);
+    }
+  }
+  for (var key in networkMaps) {
+    if (networkMaps[key] === network) {
+      delete networkMaps[key];
+    }
+  }
+}
+
+addNetwork({
+  name: 'livenet',
+  alias: 'mainnet',
+  pubkeyhash: 0x00,
+  privatekey: 0x80,
+  scripthash: 0x05,
+  xpubkey: 0x0488b21e,
+  xprivkey: 0x0488ade4,
+  networkMagic: 0xf9beb4d9,
+  port: 8333,
+  dnsSeeds: [
+    'seed.bitcoin.sipa.be',
+    'dnsseed.bluematt.me',
+    'dnsseed.bitcoin.dashjr.org',
+    'seed.bitcoinstats.com',
+    'seed.bitnodes.io',
+    'bitseed.xf2.org'
+  ]
+});
+
+/**
+ * @instance
+ * @member Networks#livenet
+ */
+var livenet = get('livenet');
+
+addNetwork({
+  name: 'testnet',
+  alias: 'regtest',
+  pubkeyhash: 0x6f,
+  privatekey: 0xef,
+  scripthash: 0xc4,
+  xpubkey: 0x043587cf,
+  xprivkey: 0x04358394
+});
+
+/**
+ * @instance
+ * @member Networks#testnet
+ */
+var testnet = get('testnet');
+
+// Add configurable values for testnet/regtest
+
+var TESTNET = {
+  PORT: 18333,
+  NETWORK_MAGIC: BufferUtil.integerAsBuffer(0x0b110907),
+  DNS_SEEDS: [
+    'testnet-seed.bitcoin.petertodd.org',
+    'testnet-seed.bluematt.me',
+    'testnet-seed.alexykot.me',
+    'testnet-seed.bitcoin.schildbach.de'
+  ]
+};
+
+for (var key in TESTNET) {
+  if (!_.isObject(TESTNET[key])) {
+    networkMaps[TESTNET[key]] = testnet;
+  }
+}
+
+var REGTEST = {
+  PORT: 18444,
+  NETWORK_MAGIC: BufferUtil.integerAsBuffer(0xfabfb5da),
+  DNS_SEEDS: []
+};
+
+for (var key in REGTEST) {
+  if (!_.isObject(REGTEST[key])) {
+    networkMaps[REGTEST[key]] = testnet;
+  }
+}
+
+Object.defineProperty(testnet, 'port', {
+  enumerable: true,
+  configurable: false,
+  get: function() {
+    if (this.regtestEnabled) {
+      return REGTEST.PORT;
+    } else {
+      return TESTNET.PORT;
+    }
+  }
+});
+
+Object.defineProperty(testnet, 'networkMagic', {
+  enumerable: true,
+  configurable: false,
+  get: function() {
+    if (this.regtestEnabled) {
+      return REGTEST.NETWORK_MAGIC;
+    } else {
+      return TESTNET.NETWORK_MAGIC;
+    }
+  }
+});
+
+Object.defineProperty(testnet, 'dnsSeeds', {
+  enumerable: true,
+  configurable: false,
+  get: function() {
+    if (this.regtestEnabled) {
+      return REGTEST.DNS_SEEDS;
+    } else {
+      return TESTNET.DNS_SEEDS;
+    }
+  }
+});
+
+/**
+ * @function
+ * @member Networks#enableRegtest
+ * Will enable regtest features for testnet
+ */
+function enableRegtest() {
+  testnet.regtestEnabled = true;
+}
+
+/**
+ * @function
+ * @member Networks#disableRegtest
+ * Will disable regtest features for testnet
+ */
+function disableRegtest() {
+  testnet.regtestEnabled = false;
+}
+
+/**
+ * @namespace Networks
+ */
+module.exports = {
+  add: addNetwork,
+  remove: removeNetwork,
+  defaultNetwork: livenet,
+  livenet: livenet,
+  mainnet: livenet,
+  testnet: testnet,
+  get: get,
+  enableRegtest: enableRegtest,
+  disableRegtest: disableRegtest
+};
+
+},{"./util/buffer":267,"./util/js":268,"lodash":148}],247:[function(require,module,exports){
+(function (Buffer){
+'use strict';
+
+var _ = require('lodash');
+var $ = require('./util/preconditions');
+var BufferUtil = require('./util/buffer');
+var JSUtil = require('./util/js');
+
+function Opcode(num) {
+  if (!(this instanceof Opcode)) {
+    return new Opcode(num);
+  }
+
+  var value;
+
+  if (_.isNumber(num)) {
+    value = num;
+  } else if (_.isString(num)) {
+    value = Opcode.map[num];
+  } else {
+    throw new TypeError('Unrecognized num type: "' + typeof(num) + '" for Opcode');
+  }
+
+  JSUtil.defineImmutable(this, {
+    num: value
+  });
+
+  return this;
+}
+
+Opcode.fromBuffer = function(buf) {
+  $.checkArgument(BufferUtil.isBuffer(buf));
+  return new Opcode(Number('0x' + buf.toString('hex')));
+};
+
+Opcode.fromNumber = function(num) {
+  $.checkArgument(_.isNumber(num));
+  return new Opcode(num);
+};
+
+Opcode.fromString = function(str) {
+  $.checkArgument(_.isString(str));
+  var value = Opcode.map[str];
+  if (typeof value === 'undefined') {
+    throw new TypeError('Invalid opcodestr');
+  }
+  return new Opcode(value);
+};
+
+Opcode.prototype.toHex = function() {
+  return this.num.toString(16);
+};
+
+Opcode.prototype.toBuffer = function() {
+  return new Buffer(this.toHex(), 'hex');
+};
+
+Opcode.prototype.toNumber = function() {
+  return this.num;
+};
+
+Opcode.prototype.toString = function() {
+  var str = Opcode.reverseMap[this.num];
+  if (typeof str === 'undefined') {
+    throw new Error('Opcode does not have a string representation');
+  }
+  return str;
+};
+
+Opcode.smallInt = function(n) {
+  $.checkArgument(_.isNumber(n), 'Invalid Argument: n should be number');
+  $.checkArgument(n >= 0 && n <= 16, 'Invalid Argument: n must be between 0 and 16');
+  if (n === 0) {
+    return Opcode('OP_0');
+  }
+  return new Opcode(Opcode.map.OP_1 + n - 1);
+};
+
+Opcode.map = {
+  // push value
+  OP_FALSE: 0,
+  OP_0: 0,
+  OP_PUSHDATA1: 76,
+  OP_PUSHDATA2: 77,
+  OP_PUSHDATA4: 78,
+  OP_1NEGATE: 79,
+  OP_RESERVED: 80,
+  OP_TRUE: 81,
+  OP_1: 81,
+  OP_2: 82,
+  OP_3: 83,
+  OP_4: 84,
+  OP_5: 85,
+  OP_6: 86,
+  OP_7: 87,
+  OP_8: 88,
+  OP_9: 89,
+  OP_10: 90,
+  OP_11: 91,
+  OP_12: 92,
+  OP_13: 93,
+  OP_14: 94,
+  OP_15: 95,
+  OP_16: 96,
+
+  // control
+  OP_NOP: 97,
+  OP_VER: 98,
+  OP_IF: 99,
+  OP_NOTIF: 100,
+  OP_VERIF: 101,
+  OP_VERNOTIF: 102,
+  OP_ELSE: 103,
+  OP_ENDIF: 104,
+  OP_VERIFY: 105,
+  OP_RETURN: 106,
+
+  // stack ops
+  OP_TOALTSTACK: 107,
+  OP_FROMALTSTACK: 108,
+  OP_2DROP: 109,
+  OP_2DUP: 110,
+  OP_3DUP: 111,
+  OP_2OVER: 112,
+  OP_2ROT: 113,
+  OP_2SWAP: 114,
+  OP_IFDUP: 115,
+  OP_DEPTH: 116,
+  OP_DROP: 117,
+  OP_DUP: 118,
+  OP_NIP: 119,
+  OP_OVER: 120,
+  OP_PICK: 121,
+  OP_ROLL: 122,
+  OP_ROT: 123,
+  OP_SWAP: 124,
+  OP_TUCK: 125,
+
+  // splice ops
+  OP_CAT: 126,
+  OP_SUBSTR: 127,
+  OP_LEFT: 128,
+  OP_RIGHT: 129,
+  OP_SIZE: 130,
+
+  // bit logic
+  OP_INVERT: 131,
+  OP_AND: 132,
+  OP_OR: 133,
+  OP_XOR: 134,
+  OP_EQUAL: 135,
+  OP_EQUALVERIFY: 136,
+  OP_RESERVED1: 137,
+  OP_RESERVED2: 138,
+
+  // numeric
+  OP_1ADD: 139,
+  OP_1SUB: 140,
+  OP_2MUL: 141,
+  OP_2DIV: 142,
+  OP_NEGATE: 143,
+  OP_ABS: 144,
+  OP_NOT: 145,
+  OP_0NOTEQUAL: 146,
+
+  OP_ADD: 147,
+  OP_SUB: 148,
+  OP_MUL: 149,
+  OP_DIV: 150,
+  OP_MOD: 151,
+  OP_LSHIFT: 152,
+  OP_RSHIFT: 153,
+
+  OP_BOOLAND: 154,
+  OP_BOOLOR: 155,
+  OP_NUMEQUAL: 156,
+  OP_NUMEQUALVERIFY: 157,
+  OP_NUMNOTEQUAL: 158,
+  OP_LESSTHAN: 159,
+  OP_GREATERTHAN: 160,
+  OP_LESSTHANOREQUAL: 161,
+  OP_GREATERTHANOREQUAL: 162,
+  OP_MIN: 163,
+  OP_MAX: 164,
+
+  OP_WITHIN: 165,
+
+  // crypto
+  OP_RIPEMD160: 166,
+  OP_SHA1: 167,
+  OP_SHA256: 168,
+  OP_HASH160: 169,
+  OP_HASH256: 170,
+  OP_CODESEPARATOR: 171,
+  OP_CHECKSIG: 172,
+  OP_CHECKSIGVERIFY: 173,
+  OP_CHECKMULTISIG: 174,
+  OP_CHECKMULTISIGVERIFY: 175,
+
+  OP_CHECKLOCKTIMEVERIFY: 177,
+
+  // expansion
+  OP_NOP1: 176,
+  OP_NOP2: 177,
+  OP_NOP3: 178,
+  OP_NOP4: 179,
+  OP_NOP5: 180,
+  OP_NOP6: 181,
+  OP_NOP7: 182,
+  OP_NOP8: 183,
+  OP_NOP9: 184,
+  OP_NOP10: 185,
+
+  // template matching params
+  OP_PUBKEYHASH: 253,
+  OP_PUBKEY: 254,
+  OP_INVALIDOPCODE: 255
+};
+
+Opcode.reverseMap = [];
+
+for (var k in Opcode.map) {
+  Opcode.reverseMap[Opcode.map[k]] = k;
+}
+
+// Easier access to opcodes
+_.extend(Opcode, Opcode.map);
+
+/**
+ * @returns true if opcode is one of OP_0, OP_1, ..., OP_16
+ */
+Opcode.isSmallIntOp = function(opcode) {
+  if (opcode instanceof Opcode) {
+    opcode = opcode.toNumber();
+  }
+  return ((opcode === Opcode.map.OP_0) ||
+    ((opcode >= Opcode.map.OP_1) && (opcode <= Opcode.map.OP_16)));
+};
+
+/**
+ * Will return a string formatted for the console
+ *
+ * @returns {string} Script opcode
+ */
+Opcode.prototype.inspect = function() {
+  return '<Opcode: ' + this.toString() + ', hex: '+this.toHex()+', decimal: '+this.num+'>';
+};
+
+module.exports = Opcode;
+
+}).call(this,require("buffer").Buffer)
+},{"./util/buffer":267,"./util/js":268,"./util/preconditions":269,"buffer":70,"lodash":148}],248:[function(require,module,exports){
+(function (Buffer){
+'use strict';
+
+var _ = require('lodash');
+var Address = require('./address');
+var Base58Check = require('./encoding/base58check');
+var BN = require('./crypto/bn');
+var JSUtil = require('./util/js');
+var Networks = require('./networks');
+var Point = require('./crypto/point');
+var PublicKey = require('./publickey');
+var Random = require('./crypto/random');
+var $ = require('./util/preconditions');
+
+/**
+ * Instantiate a PrivateKey from a BN, Buffer and WIF.
+ *
+ * @example
+ * ```javascript
+ * // generate a new random key
+ * var key = PrivateKey();
+ *
+ * // get the associated address
+ * var address = key.toAddress();
+ *
+ * // encode into wallet export format
+ * var exported = key.toWIF();
+ *
+ * // instantiate from the exported (and saved) private key
+ * var imported = PrivateKey.fromWIF(exported);
+ * ```
+ *
+ * @param {string} data - The encoded data in various formats
+ * @param {Network|string=} network - a {@link Network} object, or a string with the network name
+ * @returns {PrivateKey} A new valid instance of an PrivateKey
+ * @constructor
+ */
+function PrivateKey(data, network) {
+  /* jshint maxstatements: 20 */
+  /* jshint maxcomplexity: 8 */
+
+  if (!(this instanceof PrivateKey)) {
+    return new PrivateKey(data, network);
+  }
+  if (data instanceof PrivateKey) {
+    return data;
+  }
+
+  var info = this._classifyArguments(data, network);
+
+  // validation
+  if (!info.bn || info.bn.cmp(new BN(0)) === 0){
+    throw new TypeError('Number can not be equal to zero, undefined, null or false');
+  }
+  if (!info.bn.lt(Point.getN())) {
+    throw new TypeError('Number must be less than N');
+  }
+  if (typeof(info.network) === 'undefined') {
+    throw new TypeError('Must specify the network ("livenet" or "testnet")');
+  }
+
+  JSUtil.defineImmutable(this, {
+    bn: info.bn,
+    compressed: info.compressed,
+    network: info.network
+  });
+
+  Object.defineProperty(this, 'publicKey', {
+    configurable: false,
+    enumerable: true,
+    get: this.toPublicKey.bind(this)
+  });
+
+  return this;
+
+};
+
+/**
+ * Internal helper to instantiate PrivateKey internal `info` object from
+ * different kinds of arguments passed to the constructor.
+ *
+ * @param {*} data
+ * @param {Network|string=} network - a {@link Network} object, or a string with the network name
+ * @return {Object}
+ */
+PrivateKey.prototype._classifyArguments = function(data, network) {
+  /* jshint maxcomplexity: 10 */
+  var info = {
+    compressed: true,
+    network: network ? Networks.get(network) : Networks.defaultNetwork
+  };
+
+  // detect type of data
+  if (_.isUndefined(data) || _.isNull(data)){
+    info.bn = PrivateKey._getRandomBN();
+  } else if (data instanceof BN) {
+    info.bn = data;
+  } else if (data instanceof Buffer || data instanceof Uint8Array) {
+    info = PrivateKey._transformBuffer(data, network);
+  } else if (data.bn && data.network){
+    info = PrivateKey._transformObject(data);
+  } else if (!network && Networks.get(data)) {
+    info.bn = PrivateKey._getRandomBN();
+    info.network = Networks.get(data);
+  } else if (typeof(data) === 'string'){
+    if (JSUtil.isHexa(data)) {
+      info.bn = new BN(new Buffer(data, 'hex'));
+    } else {
+      info = PrivateKey._transformWIF(data, network);
+    }
+  } else {
+    throw new TypeError('First argument is an unrecognized data type.');
+  }
+  return info;
+};
+
+/**
+ * Internal function to get a random Big Number (BN)
+ *
+ * @returns {BN} A new randomly generated BN
+ * @private
+ */
+PrivateKey._getRandomBN = function(){
+  var condition;
+  var bn;
+  do {
+    var privbuf = Random.getRandomBuffer(32);
+    bn = BN.fromBuffer(privbuf);
+    condition = bn.lt(Point.getN());
+  } while (!condition);
+  return bn;
+};
+
+/**
+ * Internal function to transform a WIF Buffer into a private key
+ *
+ * @param {Buffer} buf - An WIF string
+ * @param {Network|string=} network - a {@link Network} object, or a string with the network name
+ * @returns {Object} An object with keys: bn, network and compressed
+ * @private
+ */
+PrivateKey._transformBuffer = function(buf, network) {
+
+  var info = {};
+
+  if (buf.length === 32) {
+    return PrivateKey._transformBNBuffer(buf, network);
+  }
+
+  info.network = Networks.get(buf[0], 'privatekey');
+
+  if (!info.network) {
+    throw new Error('Invalid network');
+  }
+
+  if (network && info.network !== Networks.get(network)) {
+    throw new TypeError('Private key network mismatch');
+  }
+
+  if (buf.length === 1 + 32 + 1 && buf[1 + 32 + 1 - 1] === 1) {
+    info.compressed = true;
+  } else if (buf.length === 1 + 32) {
+    info.compressed = false;
+  } else {
+    throw new Error('Length of buffer must be 33 (uncompressed) or 34 (compressed)');
+  }
+
+  info.bn = BN.fromBuffer(buf.slice(1, 32 + 1));
+
+  return info;
+};
+
+/**
+ * Internal function to transform a BN buffer into a private key
+ *
+ * @param {Buffer} buf
+ * @param {Network|string=} network - a {@link Network} object, or a string with the network name
+ * @returns {object} an Object with keys: bn, network, and compressed
+ * @private
+ */
+PrivateKey._transformBNBuffer = function(buf, network) {
+  var info = {};
+  info.network = Networks.get(network) || Networks.defaultNetwork;
+  info.bn = BN.fromBuffer(buf);
+  info.compressed = false;
+  return info;
+};
+
+/**
+ * Internal function to transform a WIF string into a private key
+ *
+ * @param {string} buf - An WIF string
+ * @returns {Object} An object with keys: bn, network and compressed
+ * @private
+ */
+PrivateKey._transformWIF = function(str, network) {
+  return PrivateKey._transformBuffer(Base58Check.decode(str), network);
+};
+
+/**
+ * Instantiate a PrivateKey from a Buffer with the DER or WIF representation
+ *
+ * @param {Buffer} arg
+ * @param {Network} network
+ * @return {PrivateKey}
+ */
+PrivateKey.fromBuffer = function(arg, network) {
+  return new PrivateKey(arg, network);
+};
+
+/**
+ * Internal function to transform a JSON string on plain object into a private key
+ * return this.
+ *
+ * @param {string} json - A JSON string or plain object
+ * @returns {Object} An object with keys: bn, network and compressed
+ * @private
+ */
+PrivateKey._transformObject = function(json) {
+  var bn = new BN(json.bn, 'hex');
+  var network = Networks.get(json.network);
+  return {
+    bn: bn,
+    network: network,
+    compressed: json.compressed
+  };
+};
+
+/**
+ * Instantiate a PrivateKey from a WIF string
+ *
+ * @param {string} str - The WIF encoded private key string
+ * @returns {PrivateKey} A new valid instance of PrivateKey
+ */
+PrivateKey.fromString = PrivateKey.fromWIF = function(str) {
+  $.checkArgument(_.isString(str), 'First argument is expected to be a string.');
+  return new PrivateKey(str);
+};
+
+/**
+ * Instantiate a PrivateKey from a plain JavaScript object
+ *
+ * @param {Object} obj - The output from privateKey.toObject()
+ */
+PrivateKey.fromObject = function(obj) {
+  $.checkArgument(_.isObject(obj), 'First argument is expected to be an object.');
+  return new PrivateKey(obj);
+};
+
+/**
+ * Instantiate a PrivateKey from random bytes
+ *
+ * @param {string=} network - Either "livenet" or "testnet"
+ * @returns {PrivateKey} A new valid instance of PrivateKey
+ */
+PrivateKey.fromRandom = function(network) {
+  var bn = PrivateKey._getRandomBN();
+  return new PrivateKey(bn, network);
+};
+
+/**
+ * Check if there would be any errors when initializing a PrivateKey
+ *
+ * @param {string} data - The encoded data in various formats
+ * @param {string=} network - Either "livenet" or "testnet"
+ * @returns {null|Error} An error if exists
+ */
+
+PrivateKey.getValidationError = function(data, network) {
+  var error;
+  try {
+    /* jshint nonew: false */
+    new PrivateKey(data, network);
+  } catch (e) {
+    error = e;
+  }
+  return error;
+};
+
+/**
+ * Check if the parameters are valid
+ *
+ * @param {string} data - The encoded data in various formats
+ * @param {string=} network - Either "livenet" or "testnet"
+ * @returns {Boolean} If the private key is would be valid
+ */
+PrivateKey.isValid = function(data, network){
+  if (!data) {
+    return false;
+  }
+  return !PrivateKey.getValidationError(data, network);
+};
+
+/**
+ * Will output the PrivateKey encoded as hex string
+ *
+ * @returns {string}
+ */
+PrivateKey.prototype.toString = function() {
+  return this.toBuffer().toString('hex');
+};
+
+/**
+ * Will output the PrivateKey to a WIF string
+ *
+ * @returns {string} A WIP representation of the private key
+ */
+PrivateKey.prototype.toWIF = function() {
+  var network = this.network;
+  var compressed = this.compressed;
+
+  var buf;
+  if (compressed) {
+    buf = Buffer.concat([new Buffer([network.privatekey]),
+                         this.bn.toBuffer({size: 32}),
+                         new Buffer([0x01])]);
+  } else {
+    buf = Buffer.concat([new Buffer([network.privatekey]),
+                         this.bn.toBuffer({size: 32})]);
+  }
+
+  return Base58Check.encode(buf);
+};
+
+/**
+ * Will return the private key as a BN instance
+ *
+ * @returns {BN} A BN instance of the private key
+ */
+PrivateKey.prototype.toBigNumber = function(){
+  return this.bn;
+};
+
+/**
+ * Will return the private key as a BN buffer
+ *
+ * @returns {Buffer} A buffer of the private key
+ */
+PrivateKey.prototype.toBuffer = function(){
+  // TODO: use `return this.bn.toBuffer({ size: 32 })` in v1.0.0
+  return this.bn.toBuffer();
+};
+
+/**
+ * WARNING: This method will not be officially supported until v1.0.0.
+ *
+ *
+ * Will return the private key as a BN buffer without leading zero padding
+ *
+ * @returns {Buffer} A buffer of the private key
+ */
+PrivateKey.prototype.toBufferNoPadding = function() {
+  return this.bn.toBuffer();
+};
+
+/**
+ * Will return the corresponding public key
+ *
+ * @returns {PublicKey} A public key generated from the private key
+ */
+PrivateKey.prototype.toPublicKey = function(){
+  if (!this._pubkey) {
+    this._pubkey = PublicKey.fromPrivateKey(this);
+  }
+  return this._pubkey;
+};
+
+/**
+ * Will return an address for the private key
+ * @param {Network=} network - optional parameter specifying
+ * the desired network for the address
+ *
+ * @returns {Address} An address generated from the private key
+ */
+PrivateKey.prototype.toAddress = function(network) {
+  var pubkey = this.toPublicKey();
+  return Address.fromPublicKey(pubkey, network || this.network);
+};
+
+/**
+ * @returns {Object} A plain object representation
+ */
+PrivateKey.prototype.toObject = PrivateKey.prototype.toJSON = function toObject() {
+  return {
+    bn: this.bn.toString('hex'),
+    compressed: this.compressed,
+    network: this.network.toString()
+  };
+};
+
+/**
+ * Will return a string formatted for the console
+ *
+ * @returns {string} Private key
+ */
+PrivateKey.prototype.inspect = function() {
+  var uncompressed = !this.compressed ? ', uncompressed' : '';
+  return '<PrivateKey: ' + this.toString() + ', network: ' + this.network + uncompressed + '>';
+};
+
+module.exports = PrivateKey;
+
+}).call(this,require("buffer").Buffer)
+},{"./address":214,"./crypto/bn":220,"./crypto/point":223,"./crypto/random":224,"./encoding/base58check":227,"./networks":246,"./publickey":249,"./util/js":268,"./util/preconditions":269,"buffer":70,"lodash":148}],249:[function(require,module,exports){
+(function (Buffer){
+'use strict';
+
+var BN = require('./crypto/bn');
+var Point = require('./crypto/point');
+var Hash = require('./crypto/hash');
+var JSUtil = require('./util/js');
+var Network = require('./networks');
+var _ = require('lodash');
+var $ = require('./util/preconditions');
+
+/**
+ * Instantiate a PublicKey from a {@link PrivateKey}, {@link Point}, `string`, or `Buffer`.
+ *
+ * There are two internal properties, `network` and `compressed`, that deal with importing
+ * a PublicKey from a PrivateKey in WIF format. More details described on {@link PrivateKey}
+ *
+ * @example
+ * ```javascript
+ * // instantiate from a private key
+ * var key = PublicKey(privateKey, true);
+ *
+ * // export to as a DER hex encoded string
+ * var exported = key.toString();
+ *
+ * // import the public key
+ * var imported = PublicKey.fromString(exported);
+ * ```
+ *
+ * @param {string} data - The encoded data in various formats
+ * @param {Object} extra - additional options
+ * @param {Network=} extra.network - Which network should the address for this public key be for
+ * @param {String=} extra.compressed - If the public key is compressed
+ * @returns {PublicKey} A new valid instance of an PublicKey
+ * @constructor
+ */
+function PublicKey(data, extra) {
+
+  if (!(this instanceof PublicKey)) {
+    return new PublicKey(data, extra);
+  }
+
+  $.checkArgument(data, 'First argument is required, please include public key data.');
+
+  if (data instanceof PublicKey) {
+    // Return copy, but as it's an immutable object, return same argument
+    return data;
+  }
+  extra = extra || {};
+
+  var info = this._classifyArgs(data, extra);
+
+  // validation
+  info.point.validate();
+
+  JSUtil.defineImmutable(this, {
+    point: info.point,
+    compressed: info.compressed,
+    network: info.network || Network.defaultNetwork
+  });
+
+  return this;
+};
+
+/**
+ * Internal function to differentiate between arguments passed to the constructor
+ * @param {*} data
+ * @param {Object} extra
+ */
+PublicKey.prototype._classifyArgs = function(data, extra) {
+  /* jshint maxcomplexity: 10 */
+  var info = {
+    compressed: _.isUndefined(extra.compressed) || extra.compressed
+  };
+
+  // detect type of data
+  if (data instanceof Point) {
+    info.point = data;
+  } else if (data.x && data.y) {
+    info = PublicKey._transformObject(data);
+  } else if (typeof(data) === 'string') {
+    info = PublicKey._transformDER(new Buffer(data, 'hex'));
+  } else if (PublicKey._isBuffer(data)) {
+    info = PublicKey._transformDER(data);
+  } else if (PublicKey._isPrivateKey(data)) {
+    info = PublicKey._transformPrivateKey(data);
+  } else {
+    throw new TypeError('First argument is an unrecognized data format.');
+  }
+  if (!info.network) {
+    info.network = _.isUndefined(extra.network) ? undefined : Network.get(extra.network);
+  }
+  return info;
+};
+
+/**
+ * Internal function to detect if an object is a {@link PrivateKey}
+ *
+ * @param {*} param - object to test
+ * @returns {boolean}
+ * @private
+ */
+PublicKey._isPrivateKey = function(param) {
+  var PrivateKey = require('./privatekey');
+  return param instanceof PrivateKey;
+};
+
+/**
+ * Internal function to detect if an object is a Buffer
+ *
+ * @param {*} param - object to test
+ * @returns {boolean}
+ * @private
+ */
+PublicKey._isBuffer = function(param) {
+  return (param instanceof Buffer) || (param instanceof Uint8Array);
+};
+
+/**
+ * Internal function to transform a private key into a public key point
+ *
+ * @param {PrivateKey} privkey - An instance of PrivateKey
+ * @returns {Object} An object with keys: point and compressed
+ * @private
+ */
+PublicKey._transformPrivateKey = function(privkey) {
+  $.checkArgument(PublicKey._isPrivateKey(privkey), 'Must be an instance of PrivateKey');
+  var info = {};
+  info.point = Point.getG().mul(privkey.bn);
+  info.compressed = privkey.compressed;
+  info.network = privkey.network;
+  return info;
+};
+
+/**
+ * Internal function to transform DER into a public key point
+ *
+ * @param {Buffer} buf - An hex encoded buffer
+ * @param {bool=} strict - if set to false, will loosen some conditions
+ * @returns {Object} An object with keys: point and compressed
+ * @private
+ */
+PublicKey._transformDER = function(buf, strict) {
+  /* jshint maxstatements: 30 */
+  /* jshint maxcomplexity: 12 */
+  $.checkArgument(PublicKey._isBuffer(buf), 'Must be a hex buffer of DER encoded public key');
+  var info = {};
+
+  strict = _.isUndefined(strict) ? true : strict;
+
+  var x;
+  var y;
+  var xbuf;
+  var ybuf;
+
+  if (buf[0] === 0x04 || (!strict && (buf[0] === 0x06 || buf[0] === 0x07))) {
+    xbuf = buf.slice(1, 33);
+    ybuf = buf.slice(33, 65);
+    if (xbuf.length !== 32 || ybuf.length !== 32 || buf.length !== 65) {
+      throw new TypeError('Length of x and y must be 32 bytes');
+    }
+    x = new BN(xbuf);
+    y = new BN(ybuf);
+    info.point = new Point(x, y);
+    info.compressed = false;
+  } else if (buf[0] === 0x03) {
+    xbuf = buf.slice(1);
+    x = new BN(xbuf);
+    info = PublicKey._transformX(true, x);
+    info.compressed = true;
+  } else if (buf[0] === 0x02) {
+    xbuf = buf.slice(1);
+    x = new BN(xbuf);
+    info = PublicKey._transformX(false, x);
+    info.compressed = true;
+  } else {
+    throw new TypeError('Invalid DER format public key');
+  }
+  return info;
+};
+
+/**
+ * Internal function to transform X into a public key point
+ *
+ * @param {Boolean} odd - If the point is above or below the x axis
+ * @param {Point} x - The x point
+ * @returns {Object} An object with keys: point and compressed
+ * @private
+ */
+PublicKey._transformX = function(odd, x) {
+  $.checkArgument(typeof odd === 'boolean', 'Must specify whether y is odd or not (true or false)');
+  var info = {};
+  info.point = Point.fromX(odd, x);
+  return info;
+};
+
+/**
+ * Internal function to transform a JSON into a public key point
+ *
+ * @param {String|Object} json - a JSON string or plain object
+ * @returns {Object} An object with keys: point and compressed
+ * @private
+ */
+PublicKey._transformObject = function(json) {
+  var x = new BN(json.x, 'hex');
+  var y = new BN(json.y, 'hex');
+  var point = new Point(x, y);
+  return new PublicKey(point, {
+    compressed: json.compressed
+  });
+};
+
+/**
+ * Instantiate a PublicKey from a PrivateKey
+ *
+ * @param {PrivateKey} privkey - An instance of PrivateKey
+ * @returns {PublicKey} A new valid instance of PublicKey
+ */
+PublicKey.fromPrivateKey = function(privkey) {
+  $.checkArgument(PublicKey._isPrivateKey(privkey), 'Must be an instance of PrivateKey');
+  var info = PublicKey._transformPrivateKey(privkey);
+  return new PublicKey(info.point, {
+    compressed: info.compressed,
+    network: info.network
+  });
+};
+
+/**
+ * Instantiate a PublicKey from a Buffer
+ * @param {Buffer} buf - A DER hex buffer
+ * @param {bool=} strict - if set to false, will loosen some conditions
+ * @returns {PublicKey} A new valid instance of PublicKey
+ */
+PublicKey.fromDER = PublicKey.fromBuffer = function(buf, strict) {
+  $.checkArgument(PublicKey._isBuffer(buf), 'Must be a hex buffer of DER encoded public key');
+  var info = PublicKey._transformDER(buf, strict);
+  return new PublicKey(info.point, {
+    compressed: info.compressed
+  });
+};
+
+/**
+ * Instantiate a PublicKey from a Point
+ *
+ * @param {Point} point - A Point instance
+ * @param {boolean=} compressed - whether to store this public key as compressed format
+ * @returns {PublicKey} A new valid instance of PublicKey
+ */
+PublicKey.fromPoint = function(point, compressed) {
+  $.checkArgument(point instanceof Point, 'First argument must be an instance of Point.');
+  return new PublicKey(point, {
+    compressed: compressed
+  });
+};
+
+/**
+ * Instantiate a PublicKey from a DER hex encoded string
+ *
+ * @param {string} str - A DER hex string
+ * @param {String=} encoding - The type of string encoding
+ * @returns {PublicKey} A new valid instance of PublicKey
+ */
+PublicKey.fromString = function(str, encoding) {
+  var buf = new Buffer(str, encoding || 'hex');
+  var info = PublicKey._transformDER(buf);
+  return new PublicKey(info.point, {
+    compressed: info.compressed
+  });
+};
+
+/**
+ * Instantiate a PublicKey from an X Point
+ *
+ * @param {Boolean} odd - If the point is above or below the x axis
+ * @param {Point} x - The x point
+ * @returns {PublicKey} A new valid instance of PublicKey
+ */
+PublicKey.fromX = function(odd, x) {
+  var info = PublicKey._transformX(odd, x);
+  return new PublicKey(info.point, {
+    compressed: info.compressed
+  });
+};
+
+/**
+ * Check if there would be any errors when initializing a PublicKey
+ *
+ * @param {string} data - The encoded data in various formats
+ * @returns {null|Error} An error if exists
+ */
+PublicKey.getValidationError = function(data) {
+  var error;
+  try {
+    /* jshint nonew: false */
+    new PublicKey(data);
+  } catch (e) {
+    error = e;
+  }
+  return error;
+};
+
+/**
+ * Check if the parameters are valid
+ *
+ * @param {string} data - The encoded data in various formats
+ * @returns {Boolean} If the public key would be valid
+ */
+PublicKey.isValid = function(data) {
+  return !PublicKey.getValidationError(data);
+};
+
+/**
+ * @returns {Object} A plain object of the PublicKey
+ */
+PublicKey.prototype.toObject = PublicKey.prototype.toJSON = function toObject() {
+  return {
+    x: this.point.getX().toString('hex', 2),
+    y: this.point.getY().toString('hex', 2),
+    compressed: this.compressed
+  };
+};
+
+/**
+ * Will output the PublicKey to a DER Buffer
+ *
+ * @returns {Buffer} A DER hex encoded buffer
+ */
+PublicKey.prototype.toBuffer = PublicKey.prototype.toDER = function() {
+  var x = this.point.getX();
+  var y = this.point.getY();
+
+  var xbuf = x.toBuffer({
+    size: 32
+  });
+  var ybuf = y.toBuffer({
+    size: 32
+  });
+
+  var prefix;
+  if (!this.compressed) {
+    prefix = new Buffer([0x04]);
+    return Buffer.concat([prefix, xbuf, ybuf]);
+  } else {
+    var odd = ybuf[ybuf.length - 1] % 2;
+    if (odd) {
+      prefix = new Buffer([0x03]);
+    } else {
+      prefix = new Buffer([0x02]);
+    }
+    return Buffer.concat([prefix, xbuf]);
+  }
+};
+
+/**
+ * Will return a sha256 + ripemd160 hash of the serialized public key
+ * @see https://github.com/bitcoin/bitcoin/blob/master/src/pubkey.h#L141
+ * @returns {Buffer}
+ */
+PublicKey.prototype._getID = function _getID() {
+  return Hash.sha256ripemd160(this.toBuffer());
+};
+
+/**
+ * Will return an address for the public key
+ *
+ * @param {String|Network=} network - Which network should the address be for
+ * @returns {Address} An address generated from the public key
+ */
+PublicKey.prototype.toAddress = function(network) {
+  var Address = require('./address');
+  return Address.fromPublicKey(this, network || this.network);
+};
+
+/**
+ * Will output the PublicKey to a DER encoded hex string
+ *
+ * @returns {string} A DER hex encoded string
+ */
+PublicKey.prototype.toString = function() {
+  return this.toDER().toString('hex');
+};
+
+/**
+ * Will return a string formatted for the console
+ *
+ * @returns {string} Public key
+ */
+PublicKey.prototype.inspect = function() {
+  return '<PublicKey: ' + this.toString() +
+    (this.compressed ? '' : ', uncompressed') + '>';
+};
+
+
+module.exports = PublicKey;
+
+}).call(this,require("buffer").Buffer)
+},{"./address":214,"./crypto/bn":220,"./crypto/hash":222,"./crypto/point":223,"./networks":246,"./privatekey":248,"./util/js":268,"./util/preconditions":269,"buffer":70,"lodash":148}],250:[function(require,module,exports){
+module.exports = require('./script');
+
+module.exports.Interpreter = require('./interpreter');
+
+},{"./interpreter":251,"./script":252}],251:[function(require,module,exports){
+(function (Buffer){
+'use strict';
+
+var _ = require('lodash');
+
+var Script = require('./script');
+var Opcode = require('../opcode');
+var BN = require('../crypto/bn');
+var Hash = require('../crypto/hash');
+var Signature = require('../crypto/signature');
+var PublicKey = require('../publickey');
+
+/**
+ * Bitcoin transactions contain scripts. Each input has a script called the
+ * scriptSig, and each output has a script called the scriptPubkey. To validate
+ * an input, the input's script is concatenated with the referenced output script,
+ * and the result is executed. If at the end of execution the stack contains a
+ * "true" value, then the transaction is valid.
+ *
+ * The primary way to use this class is via the verify function.
+ * e.g., Interpreter().verify( ... );
+ */
+var Interpreter = function Interpreter(obj) {
+  if (!(this instanceof Interpreter)) {
+    return new Interpreter(obj);
+  }
+  if (obj) {
+    this.initialize();
+    this.set(obj);
+  } else {
+    this.initialize();
+  }
+};
+
+/**
+ * Verifies a Script by executing it and returns true if it is valid.
+ * This function needs to be provided with the scriptSig and the scriptPubkey
+ * separately.
+ * @param {Script} scriptSig - the script's first part (corresponding to the tx input)
+ * @param {Script} scriptPubkey - the script's last part (corresponding to the tx output)
+ * @param {Transaction=} tx - the Transaction containing the scriptSig in one input (used
+ *    to check signature validity for some opcodes like OP_CHECKSIG)
+ * @param {number} nin - index of the transaction input containing the scriptSig verified.
+ * @param {number} flags - evaluation flags. See Interpreter.SCRIPT_* constants
+ *
+ * Translated from bitcoind's VerifyScript
+ */
+Interpreter.prototype.verify = function(scriptSig, scriptPubkey, tx, nin, flags) {
+  var Transaction = require('../transaction');
+  if (_.isUndefined(tx)) {
+    tx = new Transaction();
+  }
+  if (_.isUndefined(nin)) {
+    nin = 0;
+  }
+  if (_.isUndefined(flags)) {
+    flags = 0;
+  }
+  this.set({
+    script: scriptSig,
+    tx: tx,
+    nin: nin,
+    flags: flags
+  });
+  var stackCopy;
+
+  if ((flags & Interpreter.SCRIPT_VERIFY_SIGPUSHONLY) !== 0 && !scriptSig.isPushOnly()) {
+    this.errstr = 'SCRIPT_ERR_SIG_PUSHONLY';
+    return false;
+  }
+
+  // evaluate scriptSig
+  if (!this.evaluate()) {
+    return false;
+  }
+
+  if (flags & Interpreter.SCRIPT_VERIFY_P2SH) {
+    stackCopy = this.stack.slice();
+  }
+
+  var stack = this.stack;
+  this.initialize();
+  this.set({
+    script: scriptPubkey,
+    stack: stack,
+    tx: tx,
+    nin: nin,
+    flags: flags
+  });
+
+  // evaluate scriptPubkey
+  if (!this.evaluate()) {
+    return false;
+  }
+
+  if (this.stack.length === 0) {
+    this.errstr = 'SCRIPT_ERR_EVAL_FALSE_NO_RESULT';
+    return false;
+  }
+
+  var buf = this.stack[this.stack.length - 1];
+  if (!Interpreter.castToBool(buf)) {
+    this.errstr = 'SCRIPT_ERR_EVAL_FALSE_IN_STACK';
+    return false;
+  }
+
+  // Additional validation for spend-to-script-hash transactions:
+  if ((flags & Interpreter.SCRIPT_VERIFY_P2SH) && scriptPubkey.isScriptHashOut()) {
+    // scriptSig must be literals-only or validation fails
+    if (!scriptSig.isPushOnly()) {
+      this.errstr = 'SCRIPT_ERR_SIG_PUSHONLY';
+      return false;
+    }
+
+    // stackCopy cannot be empty here, because if it was the
+    // P2SH  HASH <> EQUAL  scriptPubKey would be evaluated with
+    // an empty stack and the EvalScript above would return false.
+    if (stackCopy.length === 0) {
+      throw new Error('internal error - stack copy empty');
+    }
+
+    var redeemScriptSerialized = stackCopy[stackCopy.length - 1];
+    var redeemScript = Script.fromBuffer(redeemScriptSerialized);
+    stackCopy.pop();
+
+    this.initialize();
+    this.set({
+      script: redeemScript,
+      stack: stackCopy,
+      tx: tx,
+      nin: nin,
+      flags: flags
+    });
+
+    // evaluate redeemScript
+    if (!this.evaluate()) {
+      return false;
+    }
+
+    if (stackCopy.length === 0) {
+      this.errstr = 'SCRIPT_ERR_EVAL_FALSE_NO_P2SH_STACK';
+      return false;
+    }
+
+    if (!Interpreter.castToBool(stackCopy[stackCopy.length - 1])) {
+      this.errstr = 'SCRIPT_ERR_EVAL_FALSE_IN_P2SH_STACK';
+      return false;
+    } else {
+      return true;
+    }
+  }
+
+  return true;
+};
+
+module.exports = Interpreter;
+
+Interpreter.prototype.initialize = function(obj) {
+  this.stack = [];
+  this.altstack = [];
+  this.pc = 0;
+  this.pbegincodehash = 0;
+  this.nOpCount = 0;
+  this.vfExec = [];
+  this.errstr = '';
+  this.flags = 0;
+};
+
+Interpreter.prototype.set = function(obj) {
+  this.script = obj.script || this.script;
+  this.tx = obj.tx || this.tx;
+  this.nin = typeof obj.nin !== 'undefined' ? obj.nin : this.nin;
+  this.stack = obj.stack || this.stack;
+  this.altstack = obj.altack || this.altstack;
+  this.pc = typeof obj.pc !== 'undefined' ? obj.pc : this.pc;
+  this.pbegincodehash = typeof obj.pbegincodehash !== 'undefined' ? obj.pbegincodehash : this.pbegincodehash;
+  this.nOpCount = typeof obj.nOpCount !== 'undefined' ? obj.nOpCount : this.nOpCount;
+  this.vfExec = obj.vfExec || this.vfExec;
+  this.errstr = obj.errstr || this.errstr;
+  this.flags = typeof obj.flags !== 'undefined' ? obj.flags : this.flags;
+};
+
+Interpreter.true = new Buffer([1]);
+Interpreter.false = new Buffer([]);
+
+Interpreter.MAX_SCRIPT_ELEMENT_SIZE = 520;
+
+Interpreter.LOCKTIME_THRESHOLD = 500000000;
+Interpreter.LOCKTIME_THRESHOLD_BN = new BN(Interpreter.LOCKTIME_THRESHOLD);
+
+// flags taken from bitcoind
+// bitcoind commit: b5d1b1092998bc95313856d535c632ea5a8f9104
+Interpreter.SCRIPT_VERIFY_NONE = 0;
+
+// Evaluate P2SH subscripts (softfork safe, BIP16).
+Interpreter.SCRIPT_VERIFY_P2SH = (1 << 0);
+
+// Passing a non-strict-DER signature or one with undefined hashtype to a checksig operation causes script failure.
+// Passing a pubkey that is not (0x04 + 64 bytes) or (0x02 or 0x03 + 32 bytes) to checksig causes that pubkey to be
+// skipped (not softfork safe: this flag can widen the validity of OP_CHECKSIG OP_NOT).
+Interpreter.SCRIPT_VERIFY_STRICTENC = (1 << 1);
+
+// Passing a non-strict-DER signature to a checksig operation causes script failure (softfork safe, BIP62 rule 1)
+Interpreter.SCRIPT_VERIFY_DERSIG = (1 << 2);
+
+// Passing a non-strict-DER signature or one with S > order/2 to a checksig operation causes script failure
+// (softfork safe, BIP62 rule 5).
+Interpreter.SCRIPT_VERIFY_LOW_S = (1 << 3);
+
+// verify dummy stack item consumed by CHECKMULTISIG is of zero-length (softfork safe, BIP62 rule 7).
+Interpreter.SCRIPT_VERIFY_NULLDUMMY = (1 << 4);
+
+// Using a non-push operator in the scriptSig causes script failure (softfork safe, BIP62 rule 2).
+Interpreter.SCRIPT_VERIFY_SIGPUSHONLY = (1 << 5);
+
+// Require minimal encodings for all push operations (OP_0... OP_16, OP_1NEGATE where possible, direct
+// pushes up to 75 bytes, OP_PUSHDATA up to 255 bytes, OP_PUSHDATA2 for anything larger). Evaluating
+// any other push causes the script to fail (BIP62 rule 3).
+// In addition, whenever a stack element is interpreted as a number, it must be of minimal length (BIP62 rule 4).
+// (softfork safe)
+Interpreter.SCRIPT_VERIFY_MINIMALDATA = (1 << 6);
+
+// Discourage use of NOPs reserved for upgrades (NOP1-10)
+//
+// Provided so that nodes can avoid accepting or mining transactions
+// containing executed NOP's whose meaning may change after a soft-fork,
+// thus rendering the script invalid; with this flag set executing
+// discouraged NOPs fails the script. This verification flag will never be
+// a mandatory flag applied to scripts in a block. NOPs that are not
+// executed, e.g.  within an unexecuted IF ENDIF block, are *not* rejected.
+Interpreter.SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_NOPS = (1 << 7);
+
+// CLTV See BIP65 for details.
+Interpreter.SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY = (1 << 9);
+
+Interpreter.castToBool = function(buf) {
+  for (var i = 0; i < buf.length; i++) {
+    if (buf[i] !== 0) {
+      // can be negative zero
+      if (i === buf.length - 1 && buf[i] === 0x80) {
+        return false;
+      }
+      return true;
+    }
+  }
+  return false;
+};
+
+/**
+ * Translated from bitcoind's CheckSignatureEncoding
+ */
+Interpreter.prototype.checkSignatureEncoding = function(buf) {
+  var sig;
+  if ((this.flags & (Interpreter.SCRIPT_VERIFY_DERSIG | Interpreter.SCRIPT_VERIFY_LOW_S | Interpreter.SCRIPT_VERIFY_STRICTENC)) !== 0 && !Signature.isTxDER(buf)) {
+    this.errstr = 'SCRIPT_ERR_SIG_DER_INVALID_FORMAT';
+    return false;
+  } else if ((this.flags & Interpreter.SCRIPT_VERIFY_LOW_S) !== 0) {
+    sig = Signature.fromTxFormat(buf);
+    if (!sig.hasLowS()) {
+      this.errstr = 'SCRIPT_ERR_SIG_DER_HIGH_S';
+      return false;
+    }
+  } else if ((this.flags & Interpreter.SCRIPT_VERIFY_STRICTENC) !== 0) {
+    sig = Signature.fromTxFormat(buf);
+    if (!sig.hasDefinedHashtype()) {
+      this.errstr = 'SCRIPT_ERR_SIG_HASHTYPE';
+      return false;
+    }
+  }
+  return true;
+};
+
+/**
+ * Translated from bitcoind's CheckPubKeyEncoding
+ */
+Interpreter.prototype.checkPubkeyEncoding = function(buf) {
+  if ((this.flags & Interpreter.SCRIPT_VERIFY_STRICTENC) !== 0 && !PublicKey.isValid(buf)) {
+    this.errstr = 'SCRIPT_ERR_PUBKEYTYPE';
+    return false;
+  }
+  return true;
+};
+
+/**
+ * Based on bitcoind's EvalScript function, with the inner loop moved to
+ * Interpreter.prototype.step()
+ * bitcoind commit: b5d1b1092998bc95313856d535c632ea5a8f9104
+ */
+Interpreter.prototype.evaluate = function() {
+  if (this.script.toBuffer().length > 10000) {
+    this.errstr = 'SCRIPT_ERR_SCRIPT_SIZE';
+    return false;
+  }
+
+  try {
+    while (this.pc < this.script.chunks.length) {
+      var fSuccess = this.step();
+      if (!fSuccess) {
+        return false;
+      }
+    }
+
+    // Size limits
+    if (this.stack.length + this.altstack.length > 1000) {
+      this.errstr = 'SCRIPT_ERR_STACK_SIZE';
+      return false;
+    }
+  } catch (e) {
+    this.errstr = 'SCRIPT_ERR_UNKNOWN_ERROR: ' + e;
+    return false;
+  }
+
+  if (this.vfExec.length > 0) {
+    this.errstr = 'SCRIPT_ERR_UNBALANCED_CONDITIONAL';
+    return false;
+  }
+
+  return true;
+};
+
+/**
+ * Checks a locktime parameter with the transaction's locktime.
+ * There are two times of nLockTime: lock-by-blockheight and lock-by-blocktime,
+ * distinguished by whether nLockTime < LOCKTIME_THRESHOLD = 500000000
+ *
+ * See the corresponding code on bitcoin core:
+ * https://github.com/bitcoin/bitcoin/blob/ffd75adce01a78b3461b3ff05bcc2b530a9ce994/src/script/interpreter.cpp#L1129
+ *
+ * @param {BN} nLockTime the locktime read from the script
+ * @return {boolean} true if the transaction's locktime is less than or equal to
+ *                   the transaction's locktime
+ */
+Interpreter.prototype.checkLockTime = function(nLockTime) {
+
+  // We want to compare apples to apples, so fail the script
+  // unless the type of nLockTime being tested is the same as
+  // the nLockTime in the transaction.
+  if (!(
+    (this.tx.nLockTime <  Interpreter.LOCKTIME_THRESHOLD && nLockTime.lt(Interpreter.LOCKTIME_THRESHOLD_BN)) ||
+    (this.tx.nLockTime >= Interpreter.LOCKTIME_THRESHOLD && nLockTime.gte(Interpreter.LOCKTIME_THRESHOLD_BN))
+  )) {
+    return false;
+  }
+
+  // Now that we know we're comparing apples-to-apples, the
+  // comparison is a simple numeric one.
+  if (nLockTime.gt(new BN(this.tx.nLockTime))) {
+    return false;
+  }
+
+  // Finally the nLockTime feature can be disabled and thus
+  // CHECKLOCKTIMEVERIFY bypassed if every txin has been
+  // finalized by setting nSequence to maxint. The
+  // transaction would be allowed into the blockchain, making
+  // the opcode ineffective.
+  //
+  // Testing if this vin is not final is sufficient to
+  // prevent this condition. Alternatively we could test all
+  // inputs, but testing just this input minimizes the data
+  // required to prove correct CHECKLOCKTIMEVERIFY execution.
+  if (!this.tx.inputs[this.nin].isFinal()) {
+    return false;
+  }
+
+  return true;
+}
+
+/** 
+ * Based on the inner loop of bitcoind's EvalScript function
+ * bitcoind commit: b5d1b1092998bc95313856d535c632ea5a8f9104
+ */
+Interpreter.prototype.step = function() {
+
+  var fRequireMinimal = (this.flags & Interpreter.SCRIPT_VERIFY_MINIMALDATA) !== 0;
+
+  //bool fExec = !count(vfExec.begin(), vfExec.end(), false);
+  var fExec = (this.vfExec.indexOf(false) === -1);
+  var buf, buf1, buf2, spliced, n, x1, x2, bn, bn1, bn2, bufSig, bufPubkey, subscript;
+  var sig, pubkey;
+  var fValue, fSuccess;
+
+  // Read instruction
+  var chunk = this.script.chunks[this.pc];
+  this.pc++;
+  var opcodenum = chunk.opcodenum;
+  if (_.isUndefined(opcodenum)) {
+    this.errstr = 'SCRIPT_ERR_UNDEFINED_OPCODE';
+    return false;
+  }
+  if (chunk.buf && chunk.buf.length > Interpreter.MAX_SCRIPT_ELEMENT_SIZE) {
+    this.errstr = 'SCRIPT_ERR_PUSH_SIZE';
+    return false;
+  }
+
+  // Note how Opcode.OP_RESERVED does not count towards the opcode limit.
+  if (opcodenum > Opcode.OP_16 && ++(this.nOpCount) > 201) {
+    this.errstr = 'SCRIPT_ERR_OP_COUNT';
+    return false;
+  }
+
+
+  if (opcodenum === Opcode.OP_CAT ||
+    opcodenum === Opcode.OP_SUBSTR ||
+    opcodenum === Opcode.OP_LEFT ||
+    opcodenum === Opcode.OP_RIGHT ||
+    opcodenum === Opcode.OP_INVERT ||
+    opcodenum === Opcode.OP_AND ||
+    opcodenum === Opcode.OP_OR ||
+    opcodenum === Opcode.OP_XOR ||
+    opcodenum === Opcode.OP_2MUL ||
+    opcodenum === Opcode.OP_2DIV ||
+    opcodenum === Opcode.OP_MUL ||
+    opcodenum === Opcode.OP_DIV ||
+    opcodenum === Opcode.OP_MOD ||
+    opcodenum === Opcode.OP_LSHIFT ||
+    opcodenum === Opcode.OP_RSHIFT) {
+    this.errstr = 'SCRIPT_ERR_DISABLED_OPCODE';
+    return false;
+  }
+
+  if (fExec && 0 <= opcodenum && opcodenum <= Opcode.OP_PUSHDATA4) {
+    if (fRequireMinimal && !this.script.checkMinimalPush(this.pc - 1)) {
+      this.errstr = 'SCRIPT_ERR_MINIMALDATA';
+      return false;
+    }
+    if (!chunk.buf) {
+      this.stack.push(Interpreter.false);
+    } else if (chunk.len !== chunk.buf.length) {
+      throw new Error('Length of push value not equal to length of data');
+    } else {
+      this.stack.push(chunk.buf);
+    }
+  } else if (fExec || (Opcode.OP_IF <= opcodenum && opcodenum <= Opcode.OP_ENDIF)) {
+    switch (opcodenum) {
+      // Push value
+      case Opcode.OP_1NEGATE:
+      case Opcode.OP_1:
+      case Opcode.OP_2:
+      case Opcode.OP_3:
+      case Opcode.OP_4:
+      case Opcode.OP_5:
+      case Opcode.OP_6:
+      case Opcode.OP_7:
+      case Opcode.OP_8:
+      case Opcode.OP_9:
+      case Opcode.OP_10:
+      case Opcode.OP_11:
+      case Opcode.OP_12:
+      case Opcode.OP_13:
+      case Opcode.OP_14:
+      case Opcode.OP_15:
+      case Opcode.OP_16:
+        {
+          // ( -- value)
+          // ScriptNum bn((int)opcode - (int)(Opcode.OP_1 - 1));
+          n = opcodenum - (Opcode.OP_1 - 1);
+          buf = new BN(n).toScriptNumBuffer();
+          this.stack.push(buf);
+          // The result of these opcodes should always be the minimal way to push the data
+          // they push, so no need for a CheckMinimalPush here.
+        }
+        break;
+
+
+        //
+        // Control
+        //
+      case Opcode.OP_NOP:
+        break;
+
+      case Opcode.OP_NOP2:
+      case Opcode.OP_CHECKLOCKTIMEVERIFY:
+
+        if (!(this.flags & Interpreter.SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY)) {
+          // not enabled; treat as a NOP2
+          if (this.flags & Interpreter.SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_NOPS) {
+            this.errstr = 'SCRIPT_ERR_DISCOURAGE_UPGRADABLE_NOPS';
+            return false;
+          }
+          break;
+        }
+
+        if (this.stack.length < 1) {
+          this.errstr = 'SCRIPT_ERR_INVALID_STACK_OPERATION';
+          return false;
+        }
+
+        // Note that elsewhere numeric opcodes are limited to
+        // operands in the range -2**31+1 to 2**31-1, however it is
+        // legal for opcodes to produce results exceeding that
+        // range. This limitation is implemented by CScriptNum's
+        // default 4-byte limit.
+        //
+        // If we kept to that limit we'd have a year 2038 problem,
+        // even though the nLockTime field in transactions
+        // themselves is uint32 which only becomes meaningless
+        // after the year 2106.
+        //
+        // Thus as a special case we tell CScriptNum to accept up
+        // to 5-byte bignums, which are good until 2**39-1, well
+        // beyond the 2**32-1 limit of the nLockTime field itself.
+        var nLockTime = BN.fromScriptNumBuffer(this.stack[this.stack.length - 1], fRequireMinimal, 5);
+
+        // In the rare event that the argument may be < 0 due to
+        // some arithmetic being done first, you can always use
+        // 0 MAX CHECKLOCKTIMEVERIFY.
+        if (nLockTime.lt(new BN(0))) {
+          this.errstr = 'SCRIPT_ERR_NEGATIVE_LOCKTIME';
+          return false;
+        }
+
+        // Actually compare the specified lock time with the transaction.
+        if (!this.checkLockTime(nLockTime)) {
+          this.errstr = 'SCRIPT_ERR_UNSATISFIED_LOCKTIME';
+          return false;
+        }
+        break;
+
+      case Opcode.OP_NOP1:
+      case Opcode.OP_NOP3:
+      case Opcode.OP_NOP4:
+      case Opcode.OP_NOP5:
+      case Opcode.OP_NOP6:
+      case Opcode.OP_NOP7:
+      case Opcode.OP_NOP8:
+      case Opcode.OP_NOP9:
+      case Opcode.OP_NOP10:
+        {
+          if (this.flags & Interpreter.SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_NOPS) {
+            this.errstr = 'SCRIPT_ERR_DISCOURAGE_UPGRADABLE_NOPS';
+            return false;
+          }
+        }
+        break;
+
+      case Opcode.OP_IF:
+      case Opcode.OP_NOTIF:
+        {
+          // <expression> if [statements] [else [statements]] endif
+          // bool fValue = false;
+          fValue = false;
+          if (fExec) {
+            if (this.stack.length < 1) {
+              this.errstr = 'SCRIPT_ERR_UNBALANCED_CONDITIONAL';
+              return false;
+            }
+            buf = this.stack.pop();
+            fValue = Interpreter.castToBool(buf);
+            if (opcodenum === Opcode.OP_NOTIF) {
+              fValue = !fValue;
+            }
+          }
+          this.vfExec.push(fValue);
+        }
+        break;
+
+      case Opcode.OP_ELSE:
+        {
+          if (this.vfExec.length === 0) {
+            this.errstr = 'SCRIPT_ERR_UNBALANCED_CONDITIONAL';
+            return false;
+          }
+          this.vfExec[this.vfExec.length - 1] = !this.vfExec[this.vfExec.length - 1];
+        }
+        break;
+
+      case Opcode.OP_ENDIF:
+        {
+          if (this.vfExec.length === 0) {
+            this.errstr = 'SCRIPT_ERR_UNBALANCED_CONDITIONAL';
+            return false;
+          }
+          this.vfExec.pop();
+        }
+        break;
+
+      case Opcode.OP_VERIFY:
+        {
+          // (true -- ) or
+          // (false -- false) and return
+          if (this.stack.length < 1) {
+            this.errstr = 'SCRIPT_ERR_INVALID_STACK_OPERATION';
+            return false;
+          }
+          buf = this.stack[this.stack.length - 1];
+          fValue = Interpreter.castToBool(buf);
+          if (fValue) {
+            this.stack.pop();
+          } else {
+            this.errstr = 'SCRIPT_ERR_VERIFY';
+            return false;
+          }
+        }
+        break;
+
+      case Opcode.OP_RETURN:
+        {
+          this.errstr = 'SCRIPT_ERR_OP_RETURN';
+          return false;
+        }
+        break;
+
+
+        //
+        // Stack ops
+        //
+      case Opcode.OP_TOALTSTACK:
+        {
+          if (this.stack.length < 1) {
+            this.errstr = 'SCRIPT_ERR_INVALID_STACK_OPERATION';
+            return false;
+          }
+          this.altstack.push(this.stack.pop());
+        }
+        break;
+
+      case Opcode.OP_FROMALTSTACK:
+        {
+          if (this.altstack.length < 1) {
+            this.errstr = 'SCRIPT_ERR_INVALID_ALTSTACK_OPERATION';
+            return false;
+          }
+          this.stack.push(this.altstack.pop());
+        }
+        break;
+
+      case Opcode.OP_2DROP:
+        {
+          // (x1 x2 -- )
+          if (this.stack.length < 2) {
+            this.errstr = 'SCRIPT_ERR_INVALID_STACK_OPERATION';
+            return false;
+          }
+          this.stack.pop();
+          this.stack.pop();
+        }
+        break;
+
+      case Opcode.OP_2DUP:
+        {
+          // (x1 x2 -- x1 x2 x1 x2)
+          if (this.stack.length < 2) {
+            this.errstr = 'SCRIPT_ERR_INVALID_STACK_OPERATION';
+            return false;
+          }
+          buf1 = this.stack[this.stack.length - 2];
+          buf2 = this.stack[this.stack.length - 1];
+          this.stack.push(buf1);
+          this.stack.push(buf2);
+        }
+        break;
+
+      case Opcode.OP_3DUP:
+        {
+          // (x1 x2 x3 -- x1 x2 x3 x1 x2 x3)
+          if (this.stack.length < 3) {
+            this.errstr = 'SCRIPT_ERR_INVALID_STACK_OPERATION';
+            return false;
+          }
+          buf1 = this.stack[this.stack.length - 3];
+          buf2 = this.stack[this.stack.length - 2];
+          var buf3 = this.stack[this.stack.length - 1];
+          this.stack.push(buf1);
+          this.stack.push(buf2);
+          this.stack.push(buf3);
+        }
+        break;
+
+      case Opcode.OP_2OVER:
+        {
+          // (x1 x2 x3 x4 -- x1 x2 x3 x4 x1 x2)
+          if (this.stack.length < 4) {
+            this.errstr = 'SCRIPT_ERR_INVALID_STACK_OPERATION';
+            return false;
+          }
+          buf1 = this.stack[this.stack.length - 4];
+          buf2 = this.stack[this.stack.length - 3];
+          this.stack.push(buf1);
+          this.stack.push(buf2);
+        }
+        break;
+
+      case Opcode.OP_2ROT:
+        {
+          // (x1 x2 x3 x4 x5 x6 -- x3 x4 x5 x6 x1 x2)
+          if (this.stack.length < 6) {
+            this.errstr = 'SCRIPT_ERR_INVALID_STACK_OPERATION';
+            return false;
+          }
+          spliced = this.stack.splice(this.stack.length - 6, 2);
+          this.stack.push(spliced[0]);
+          this.stack.push(spliced[1]);
+        }
+        break;
+
+      case Opcode.OP_2SWAP:
+        {
+          // (x1 x2 x3 x4 -- x3 x4 x1 x2)
+          if (this.stack.length < 4) {
+            this.errstr = 'SCRIPT_ERR_INVALID_STACK_OPERATION';
+            return false;
+          }
+          spliced = this.stack.splice(this.stack.length - 4, 2);
+          this.stack.push(spliced[0]);
+          this.stack.push(spliced[1]);
+        }
+        break;
+
+      case Opcode.OP_IFDUP:
+        {
+          // (x - 0 | x x)
+          if (this.stack.length < 1) {
+            this.errstr = 'SCRIPT_ERR_INVALID_STACK_OPERATION';
+            return false;
+          }
+          buf = this.stack[this.stack.length - 1];
+          fValue = Interpreter.castToBool(buf);
+          if (fValue) {
+            this.stack.push(buf);
+          }
+        }
+        break;
+
+      case Opcode.OP_DEPTH:
+        {
+          // -- stacksize
+          buf = new BN(this.stack.length).toScriptNumBuffer();
+          this.stack.push(buf);
+        }
+        break;
+
+      case Opcode.OP_DROP:
+        {
+          // (x -- )
+          if (this.stack.length < 1) {
+            this.errstr = 'SCRIPT_ERR_INVALID_STACK_OPERATION';
+            return false;
+          }
+          this.stack.pop();
+        }
+        break;
+
+      case Opcode.OP_DUP:
+        {
+          // (x -- x x)
+          if (this.stack.length < 1) {
+            this.errstr = 'SCRIPT_ERR_INVALID_STACK_OPERATION';
+            return false;
+          }
+          this.stack.push(this.stack[this.stack.length - 1]);
+        }
+        break;
+
+      case Opcode.OP_NIP:
+        {
+          // (x1 x2 -- x2)
+          if (this.stack.length < 2) {
+            this.errstr = 'SCRIPT_ERR_INVALID_STACK_OPERATION';
+            return false;
+          }
+          this.stack.splice(this.stack.length - 2, 1);
+        }
+        break;
+
+      case Opcode.OP_OVER:
+        {
+          // (x1 x2 -- x1 x2 x1)
+          if (this.stack.length < 2) {
+            this.errstr = 'SCRIPT_ERR_INVALID_STACK_OPERATION';
+            return false;
+          }
+          this.stack.push(this.stack[this.stack.length - 2]);
+        }
+        break;
+
+      case Opcode.OP_PICK:
+      case Opcode.OP_ROLL:
+        {
+          // (xn ... x2 x1 x0 n - xn ... x2 x1 x0 xn)
+          // (xn ... x2 x1 x0 n - ... x2 x1 x0 xn)
+          if (this.stack.length < 2) {
+            this.errstr = 'SCRIPT_ERR_INVALID_STACK_OPERATION';
+            return false;
+          }
+          buf = this.stack[this.stack.length - 1];
+          bn = BN.fromScriptNumBuffer(buf, fRequireMinimal);
+          n = bn.toNumber();
+          this.stack.pop();
+          if (n < 0 || n >= this.stack.length) {
+            this.errstr = 'SCRIPT_ERR_INVALID_STACK_OPERATION';
+            return false;
+          }
+          buf = this.stack[this.stack.length - n - 1];
+          if (opcodenum === Opcode.OP_ROLL) {
+            this.stack.splice(this.stack.length - n - 1, 1);
+          }
+          this.stack.push(buf);
+        }
+        break;
+
+      case Opcode.OP_ROT:
+        {
+          // (x1 x2 x3 -- x2 x3 x1)
+          //  x2 x1 x3  after first swap
+          //  x2 x3 x1  after second swap
+          if (this.stack.length < 3) {
+            this.errstr = 'SCRIPT_ERR_INVALID_STACK_OPERATION';
+            return false;
+          }
+          x1 = this.stack[this.stack.length - 3];
+          x2 = this.stack[this.stack.length - 2];
+          var x3 = this.stack[this.stack.length - 1];
+          this.stack[this.stack.length - 3] = x2;
+          this.stack[this.stack.length - 2] = x3;
+          this.stack[this.stack.length - 1] = x1;
+        }
+        break;
+
+      case Opcode.OP_SWAP:
+        {
+          // (x1 x2 -- x2 x1)
+          if (this.stack.length < 2) {
+            this.errstr = 'SCRIPT_ERR_INVALID_STACK_OPERATION';
+            return false;
+          }
+          x1 = this.stack[this.stack.length - 2];
+          x2 = this.stack[this.stack.length - 1];
+          this.stack[this.stack.length - 2] = x2;
+          this.stack[this.stack.length - 1] = x1;
+        }
+        break;
+
+      case Opcode.OP_TUCK:
+        {
+          // (x1 x2 -- x2 x1 x2)
+          if (this.stack.length < 2) {
+            this.errstr = 'SCRIPT_ERR_INVALID_STACK_OPERATION';
+            return false;
+          }
+          this.stack.splice(this.stack.length - 2, 0, this.stack[this.stack.length - 1]);
+        }
+        break;
+
+
+      case Opcode.OP_SIZE:
+        {
+          // (in -- in size)
+          if (this.stack.length < 1) {
+            this.errstr = 'SCRIPT_ERR_INVALID_STACK_OPERATION';
+            return false;
+          }
+          bn = new BN(this.stack[this.stack.length - 1].length);
+          this.stack.push(bn.toScriptNumBuffer());
+        }
+        break;
+
+
+        //
+        // Bitwise logic
+        //
+      case Opcode.OP_EQUAL:
+      case Opcode.OP_EQUALVERIFY:
+        //case Opcode.OP_NOTEQUAL: // use Opcode.OP_NUMNOTEQUAL
+        {
+          // (x1 x2 - bool)
+          if (this.stack.length < 2) {
+            this.errstr = 'SCRIPT_ERR_INVALID_STACK_OPERATION';
+            return false;
+          }
+          buf1 = this.stack[this.stack.length - 2];
+          buf2 = this.stack[this.stack.length - 1];
+          var fEqual = buf1.toString('hex') === buf2.toString('hex');
+          this.stack.pop();
+          this.stack.pop();
+          this.stack.push(fEqual ? Interpreter.true : Interpreter.false);
+          if (opcodenum === Opcode.OP_EQUALVERIFY) {
+            if (fEqual) {
+              this.stack.pop();
+            } else {
+              this.errstr = 'SCRIPT_ERR_EQUALVERIFY';
+              return false;
+            }
+          }
+        }
+        break;
+
+
+        //
+        // Numeric
+        //
+      case Opcode.OP_1ADD:
+      case Opcode.OP_1SUB:
+      case Opcode.OP_NEGATE:
+      case Opcode.OP_ABS:
+      case Opcode.OP_NOT:
+      case Opcode.OP_0NOTEQUAL:
+        {
+          // (in -- out)
+          if (this.stack.length < 1) {
+            this.errstr = 'SCRIPT_ERR_INVALID_STACK_OPERATION';
+            return false;
+          }
+          buf = this.stack[this.stack.length - 1];
+          bn = BN.fromScriptNumBuffer(buf, fRequireMinimal);
+          switch (opcodenum) {
+            case Opcode.OP_1ADD:
+              bn = bn.add(BN.One);
+              break;
+            case Opcode.OP_1SUB:
+              bn = bn.sub(BN.One);
+              break;
+            case Opcode.OP_NEGATE:
+              bn = bn.neg();
+              break;
+            case Opcode.OP_ABS:
+              if (bn.cmp(BN.Zero) < 0) {
+                bn = bn.neg();
+              }
+              break;
+            case Opcode.OP_NOT:
+              bn = new BN((bn.cmp(BN.Zero) === 0) + 0);
+              break;
+            case Opcode.OP_0NOTEQUAL:
+              bn = new BN((bn.cmp(BN.Zero) !== 0) + 0);
+              break;
+              //default:      assert(!'invalid opcode'); break; // TODO: does this ever occur?
+          }
+          this.stack.pop();
+          this.stack.push(bn.toScriptNumBuffer());
+        }
+        break;
+
+      case Opcode.OP_ADD:
+      case Opcode.OP_SUB:
+      case Opcode.OP_BOOLAND:
+      case Opcode.OP_BOOLOR:
+      case Opcode.OP_NUMEQUAL:
+      case Opcode.OP_NUMEQUALVERIFY:
+      case Opcode.OP_NUMNOTEQUAL:
+      case Opcode.OP_LESSTHAN:
+      case Opcode.OP_GREATERTHAN:
+      case Opcode.OP_LESSTHANOREQUAL:
+      case Opcode.OP_GREATERTHANOREQUAL:
+      case Opcode.OP_MIN:
+      case Opcode.OP_MAX:
+        {
+          // (x1 x2 -- out)
+          if (this.stack.length < 2) {
+            this.errstr = 'SCRIPT_ERR_INVALID_STACK_OPERATION';
+            return false;
+          }
+          bn1 = BN.fromScriptNumBuffer(this.stack[this.stack.length - 2], fRequireMinimal);
+          bn2 = BN.fromScriptNumBuffer(this.stack[this.stack.length - 1], fRequireMinimal);
+          bn = new BN(0);
+
+          switch (opcodenum) {
+            case Opcode.OP_ADD:
+              bn = bn1.add(bn2);
+              break;
+
+            case Opcode.OP_SUB:
+              bn = bn1.sub(bn2);
+              break;
+
+              // case Opcode.OP_BOOLAND:       bn = (bn1 != bnZero && bn2 != bnZero); break;
+            case Opcode.OP_BOOLAND:
+              bn = new BN(((bn1.cmp(BN.Zero) !== 0) && (bn2.cmp(BN.Zero) !== 0)) + 0);
+              break;
+              // case Opcode.OP_BOOLOR:        bn = (bn1 != bnZero || bn2 != bnZero); break;
+            case Opcode.OP_BOOLOR:
+              bn = new BN(((bn1.cmp(BN.Zero) !== 0) || (bn2.cmp(BN.Zero) !== 0)) + 0);
+              break;
+              // case Opcode.OP_NUMEQUAL:      bn = (bn1 == bn2); break;
+            case Opcode.OP_NUMEQUAL:
+              bn = new BN((bn1.cmp(bn2) === 0) + 0);
+              break;
+              // case Opcode.OP_NUMEQUALVERIFY:    bn = (bn1 == bn2); break;
+            case Opcode.OP_NUMEQUALVERIFY:
+              bn = new BN((bn1.cmp(bn2) === 0) + 0);
+              break;
+              // case Opcode.OP_NUMNOTEQUAL:     bn = (bn1 != bn2); break;
+            case Opcode.OP_NUMNOTEQUAL:
+              bn = new BN((bn1.cmp(bn2) !== 0) + 0);
+              break;
+              // case Opcode.OP_LESSTHAN:      bn = (bn1 < bn2); break;
+            case Opcode.OP_LESSTHAN:
+              bn = new BN((bn1.cmp(bn2) < 0) + 0);
+              break;
+              // case Opcode.OP_GREATERTHAN:     bn = (bn1 > bn2); break;
+            case Opcode.OP_GREATERTHAN:
+              bn = new BN((bn1.cmp(bn2) > 0) + 0);
+              break;
+              // case Opcode.OP_LESSTHANOREQUAL:   bn = (bn1 <= bn2); break;
+            case Opcode.OP_LESSTHANOREQUAL:
+              bn = new BN((bn1.cmp(bn2) <= 0) + 0);
+              break;
+              // case Opcode.OP_GREATERTHANOREQUAL:  bn = (bn1 >= bn2); break;
+            case Opcode.OP_GREATERTHANOREQUAL:
+              bn = new BN((bn1.cmp(bn2) >= 0) + 0);
+              break;
+            case Opcode.OP_MIN:
+              bn = (bn1.cmp(bn2) < 0 ? bn1 : bn2);
+              break;
+            case Opcode.OP_MAX:
+              bn = (bn1.cmp(bn2) > 0 ? bn1 : bn2);
+              break;
+              // default:           assert(!'invalid opcode'); break; //TODO: does this ever occur?
+          }
+          this.stack.pop();
+          this.stack.pop();
+          this.stack.push(bn.toScriptNumBuffer());
+
+          if (opcodenum === Opcode.OP_NUMEQUALVERIFY) {
+            // if (CastToBool(stacktop(-1)))
+            if (Interpreter.castToBool(this.stack[this.stack.length - 1])) {
+              this.stack.pop();
+            } else {
+              this.errstr = 'SCRIPT_ERR_NUMEQUALVERIFY';
+              return false;
+            }
+          }
+        }
+        break;
+
+      case Opcode.OP_WITHIN:
+        {
+          // (x min max -- out)
+          if (this.stack.length < 3) {
+            this.errstr = 'SCRIPT_ERR_INVALID_STACK_OPERATION';
+            return false;
+          }
+          bn1 = BN.fromScriptNumBuffer(this.stack[this.stack.length - 3], fRequireMinimal);
+          bn2 = BN.fromScriptNumBuffer(this.stack[this.stack.length - 2], fRequireMinimal);
+          var bn3 = BN.fromScriptNumBuffer(this.stack[this.stack.length - 1], fRequireMinimal);
+          //bool fValue = (bn2 <= bn1 && bn1 < bn3);
+          fValue = (bn2.cmp(bn1) <= 0) && (bn1.cmp(bn3) < 0);
+          this.stack.pop();
+          this.stack.pop();
+          this.stack.pop();
+          this.stack.push(fValue ? Interpreter.true : Interpreter.false);
+        }
+        break;
+
+
+        //
+        // Crypto
+        //
+      case Opcode.OP_RIPEMD160:
+      case Opcode.OP_SHA1:
+      case Opcode.OP_SHA256:
+      case Opcode.OP_HASH160:
+      case Opcode.OP_HASH256:
+        {
+          // (in -- hash)
+          if (this.stack.length < 1) {
+            this.errstr = 'SCRIPT_ERR_INVALID_STACK_OPERATION';
+            return false;
+          }
+          buf = this.stack[this.stack.length - 1];
+          //valtype vchHash((opcode == Opcode.OP_RIPEMD160 ||
+          //                 opcode == Opcode.OP_SHA1 || opcode == Opcode.OP_HASH160) ? 20 : 32);
+          var bufHash;
+          if (opcodenum === Opcode.OP_RIPEMD160) {
+            bufHash = Hash.ripemd160(buf);
+          } else if (opcodenum === Opcode.OP_SHA1) {
+            bufHash = Hash.sha1(buf);
+          } else if (opcodenum === Opcode.OP_SHA256) {
+            bufHash = Hash.sha256(buf);
+          } else if (opcodenum === Opcode.OP_HASH160) {
+            bufHash = Hash.sha256ripemd160(buf);
+          } else if (opcodenum === Opcode.OP_HASH256) {
+            bufHash = Hash.sha256sha256(buf);
+          }
+          this.stack.pop();
+          this.stack.push(bufHash);
+        }
+        break;
+
+      case Opcode.OP_CODESEPARATOR:
+        {
+          // Hash starts after the code separator
+          this.pbegincodehash = this.pc;
+        }
+        break;
+
+      case Opcode.OP_CHECKSIG:
+      case Opcode.OP_CHECKSIGVERIFY:
+        {
+          // (sig pubkey -- bool)
+          if (this.stack.length < 2) {
+            this.errstr = 'SCRIPT_ERR_INVALID_STACK_OPERATION';
+            return false;
+          }
+
+          bufSig = this.stack[this.stack.length - 2];
+          bufPubkey = this.stack[this.stack.length - 1];
+
+          // Subset of script starting at the most recent codeseparator
+          // CScript scriptCode(pbegincodehash, pend);
+          subscript = new Script().set({
+            chunks: this.script.chunks.slice(this.pbegincodehash)
+          });
+
+          // Drop the signature, since there's no way for a signature to sign itself
+          var tmpScript = new Script().add(bufSig);
+          subscript.findAndDelete(tmpScript);
+
+          if (!this.checkSignatureEncoding(bufSig) || !this.checkPubkeyEncoding(bufPubkey)) {
+            return false;
+          }
+
+          try {
+            sig = Signature.fromTxFormat(bufSig);
+            pubkey = PublicKey.fromBuffer(bufPubkey, false);
+            fSuccess = this.tx.verifySignature(sig, pubkey, this.nin, subscript);
+          } catch (e) {
+            //invalid sig or pubkey
+            fSuccess = false;
+          }
+
+          this.stack.pop();
+          this.stack.pop();
+          // stack.push_back(fSuccess ? vchTrue : vchFalse);
+          this.stack.push(fSuccess ? Interpreter.true : Interpreter.false);
+          if (opcodenum === Opcode.OP_CHECKSIGVERIFY) {
+            if (fSuccess) {
+              this.stack.pop();
+            } else {
+              this.errstr = 'SCRIPT_ERR_CHECKSIGVERIFY';
+              return false;
+            }
+          }
+        }
+        break;
+
+      case Opcode.OP_CHECKMULTISIG:
+      case Opcode.OP_CHECKMULTISIGVERIFY:
+        {
+          // ([sig ...] num_of_signatures [pubkey ...] num_of_pubkeys -- bool)
+
+          var i = 1;
+          if (this.stack.length < i) {
+            this.errstr = 'SCRIPT_ERR_INVALID_STACK_OPERATION';
+            return false;
+          }
+
+          var nKeysCount = BN.fromScriptNumBuffer(this.stack[this.stack.length - i], fRequireMinimal).toNumber();
+          if (nKeysCount < 0 || nKeysCount > 20) {
+            this.errstr = 'SCRIPT_ERR_PUBKEY_COUNT';
+            return false;
+          }
+          this.nOpCount += nKeysCount;
+          if (this.nOpCount > 201) {
+            this.errstr = 'SCRIPT_ERR_OP_COUNT';
+            return false;
+          }
+          // int ikey = ++i;
+          var ikey = ++i;
+          i += nKeysCount;
+          if (this.stack.length < i) {
+            this.errstr = 'SCRIPT_ERR_INVALID_STACK_OPERATION';
+            return false;
+          }
+
+          var nSigsCount = BN.fromScriptNumBuffer(this.stack[this.stack.length - i], fRequireMinimal).toNumber();
+          if (nSigsCount < 0 || nSigsCount > nKeysCount) {
+            this.errstr = 'SCRIPT_ERR_SIG_COUNT';
+            return false;
+          }
+          // int isig = ++i;
+          var isig = ++i;
+          i += nSigsCount;
+          if (this.stack.length < i) {
+            this.errstr = 'SCRIPT_ERR_INVALID_STACK_OPERATION';
+            return false;
+          }
+
+          // Subset of script starting at the most recent codeseparator
+          subscript = new Script().set({
+            chunks: this.script.chunks.slice(this.pbegincodehash)
+          });
+
+          // Drop the signatures, since there's no way for a signature to sign itself
+          for (var k = 0; k < nSigsCount; k++) {
+            bufSig = this.stack[this.stack.length - isig - k];
+            subscript.findAndDelete(new Script().add(bufSig));
+          }
+
+          fSuccess = true;
+          while (fSuccess && nSigsCount > 0) {
+            // valtype& vchSig  = stacktop(-isig);
+            bufSig = this.stack[this.stack.length - isig];
+            // valtype& vchPubKey = stacktop(-ikey);
+            bufPubkey = this.stack[this.stack.length - ikey];
+
+            if (!this.checkSignatureEncoding(bufSig) || !this.checkPubkeyEncoding(bufPubkey)) {
+              return false;
+            }
+
+            var fOk;
+            try {
+              sig = Signature.fromTxFormat(bufSig);
+              pubkey = PublicKey.fromBuffer(bufPubkey, false);
+              fOk = this.tx.verifySignature(sig, pubkey, this.nin, subscript);
+            } catch (e) {
+              //invalid sig or pubkey
+              fOk = false;
+            }
+
+            if (fOk) {
+              isig++;
+              nSigsCount--;
+            }
+            ikey++;
+            nKeysCount--;
+
+            // If there are more signatures left than keys left,
+            // then too many signatures have failed
+            if (nSigsCount > nKeysCount) {
+              fSuccess = false;
+            }
+          }
+
+          // Clean up stack of actual arguments
+          while (i-- > 1) {
+            this.stack.pop();
+          }
+
+          // A bug causes CHECKMULTISIG to consume one extra argument
+          // whose contents were not checked in any way.
+          //
+          // Unfortunately this is a potential source of mutability,
+          // so optionally verify it is exactly equal to zero prior
+          // to removing it from the stack.
+          if (this.stack.length < 1) {
+            this.errstr = 'SCRIPT_ERR_INVALID_STACK_OPERATION';
+            return false;
+          }
+          if ((this.flags & Interpreter.SCRIPT_VERIFY_NULLDUMMY) && this.stack[this.stack.length - 1].length) {
+            this.errstr = 'SCRIPT_ERR_SIG_NULLDUMMY';
+            return false;
+          }
+          this.stack.pop();
+
+          this.stack.push(fSuccess ? Interpreter.true : Interpreter.false);
+
+          if (opcodenum === Opcode.OP_CHECKMULTISIGVERIFY) {
+            if (fSuccess) {
+              this.stack.pop();
+            } else {
+              this.errstr = 'SCRIPT_ERR_CHECKMULTISIGVERIFY';
+              return false;
+            }
+          }
+        }
+        break;
+
+      default:
+        this.errstr = 'SCRIPT_ERR_BAD_OPCODE';
+        return false;
+    }
+  }
+
+  return true;
+};
+
+
+}).call(this,require("buffer").Buffer)
+},{"../crypto/bn":220,"../crypto/hash":222,"../crypto/signature":225,"../opcode":247,"../publickey":249,"../transaction":253,"./script":252,"buffer":70,"lodash":148}],252:[function(require,module,exports){
+(function (Buffer){
+'use strict';
+
+var Address = require('../address');
+var BufferReader = require('../encoding/bufferreader');
+var BufferWriter = require('../encoding/bufferwriter');
+var Hash = require('../crypto/hash');
+var Opcode = require('../opcode');
+var PublicKey = require('../publickey');
+var Signature = require('../crypto/signature');
+var Networks = require('../networks');
+var $ = require('../util/preconditions');
+var _ = require('lodash');
+var errors = require('../errors');
+var buffer = require('buffer');
+var BufferUtil = require('../util/buffer');
+var JSUtil = require('../util/js');
+
+/**
+ * A bitcoin transaction script. Each transaction's inputs and outputs
+ * has a script that is evaluated to validate it's spending.
+ *
+ * See https://en.bitcoin.it/wiki/Script
+ *
+ * @constructor
+ * @param {Object|string|Buffer=} from optional data to populate script
+ */
+var Script = function Script(from) {
+  if (!(this instanceof Script)) {
+    return new Script(from);
+  }
+  this.chunks = [];
+
+  if (BufferUtil.isBuffer(from)) {
+    return Script.fromBuffer(from);
+  } else if (from instanceof Address) {
+    return Script.fromAddress(from);
+  } else if (from instanceof Script) {
+    return Script.fromBuffer(from.toBuffer());
+  } else if (typeof from === 'string') {
+    return Script.fromString(from);
+  } else if (typeof from !== 'undefined') {
+    this.set(from);
+  }
+};
+
+Script.prototype.set = function(obj) {
+  this.chunks = obj.chunks || this.chunks;
+  return this;
+};
+
+Script.fromBuffer = function(buffer) {
+  var script = new Script();
+  script.chunks = [];
+
+  var br = new BufferReader(buffer);
+  while (!br.finished()) {
+    try {
+      var opcodenum = br.readUInt8();
+
+      var len, buf;
+      if (opcodenum > 0 && opcodenum < Opcode.OP_PUSHDATA1) {
+        len = opcodenum;
+        script.chunks.push({
+          buf: br.read(len),
+          len: len,
+          opcodenum: opcodenum
+        });
+      } else if (opcodenum === Opcode.OP_PUSHDATA1) {
+        len = br.readUInt8();
+        buf = br.read(len);
+        script.chunks.push({
+          buf: buf,
+          len: len,
+          opcodenum: opcodenum
+        });
+      } else if (opcodenum === Opcode.OP_PUSHDATA2) {
+        len = br.readUInt16LE();
+        buf = br.read(len);
+        script.chunks.push({
+          buf: buf,
+          len: len,
+          opcodenum: opcodenum
+        });
+      } else if (opcodenum === Opcode.OP_PUSHDATA4) {
+        len = br.readUInt32LE();
+        buf = br.read(len);
+        script.chunks.push({
+          buf: buf,
+          len: len,
+          opcodenum: opcodenum
+        });
+      } else {
+        script.chunks.push({
+          opcodenum: opcodenum
+        });
+      }
+    } catch (e) {
+      if (e instanceof RangeError) {
+        throw new errors.Script.InvalidBuffer(buffer.toString('hex'));
+      }
+      throw e;
+    }
+  }
+
+  return script;
+};
+
+Script.prototype.toBuffer = function() {
+  var bw = new BufferWriter();
+
+  for (var i = 0; i < this.chunks.length; i++) {
+    var chunk = this.chunks[i];
+    var opcodenum = chunk.opcodenum;
+    bw.writeUInt8(chunk.opcodenum);
+    if (chunk.buf) {
+      if (opcodenum < Opcode.OP_PUSHDATA1) {
+        bw.write(chunk.buf);
+      } else if (opcodenum === Opcode.OP_PUSHDATA1) {
+        bw.writeUInt8(chunk.len);
+        bw.write(chunk.buf);
+      } else if (opcodenum === Opcode.OP_PUSHDATA2) {
+        bw.writeUInt16LE(chunk.len);
+        bw.write(chunk.buf);
+      } else if (opcodenum === Opcode.OP_PUSHDATA4) {
+        bw.writeUInt32LE(chunk.len);
+        bw.write(chunk.buf);
+      }
+    }
+  }
+
+  return bw.concat();
+};
+
+Script.fromASM = function(str) {
+  var script = new Script();
+  script.chunks = [];
+
+  var tokens = str.split(' ');
+  var i = 0;
+  while (i < tokens.length) {
+    var token = tokens[i];
+    var opcode = Opcode(token);
+    var opcodenum = opcode.toNumber();
+
+    if (_.isUndefined(opcodenum)) {
+      var buf = new Buffer(tokens[i], 'hex');
+      script.chunks.push({
+        buf: buf,
+        len: buf.length,
+        opcodenum: buf.length
+      });
+      i = i + 1;
+    } else if (opcodenum === Opcode.OP_PUSHDATA1 ||
+      opcodenum === Opcode.OP_PUSHDATA2 ||
+      opcodenum === Opcode.OP_PUSHDATA4) {
+      script.chunks.push({
+        buf: new Buffer(tokens[i + 2], 'hex'),
+        len: parseInt(tokens[i + 1]),
+        opcodenum: opcodenum
+      });
+      i = i + 3;
+    } else {
+      script.chunks.push({
+        opcodenum: opcodenum
+      });
+      i = i + 1;
+    }
+  }
+  return script;
+};
+
+Script.fromHex = function(str) {
+  return new Script(new buffer.Buffer(str, 'hex'));
+};
+
+Script.fromString = function(str) {
+  if (JSUtil.isHexa(str) || str.length === 0) {
+    return new Script(new buffer.Buffer(str, 'hex'));
+  }
+  var script = new Script();
+  script.chunks = [];
+
+  var tokens = str.split(' ');
+  var i = 0;
+  while (i < tokens.length) {
+    var token = tokens[i];
+    var opcode = Opcode(token);
+    var opcodenum = opcode.toNumber();
+
+    if (_.isUndefined(opcodenum)) {
+      opcodenum = parseInt(token);
+      if (opcodenum > 0 && opcodenum < Opcode.OP_PUSHDATA1) {
+        script.chunks.push({
+          buf: new Buffer(tokens[i + 1].slice(2), 'hex'),
+          len: opcodenum,
+          opcodenum: opcodenum
+        });
+        i = i + 2;
+      } else {
+        throw new Error('Invalid script: ' + JSON.stringify(str));
+      }
+    } else if (opcodenum === Opcode.OP_PUSHDATA1 ||
+      opcodenum === Opcode.OP_PUSHDATA2 ||
+      opcodenum === Opcode.OP_PUSHDATA4) {
+      if (tokens[i + 2].slice(0, 2) !== '0x') {
+        throw new Error('Pushdata data must start with 0x');
+      }
+      script.chunks.push({
+        buf: new Buffer(tokens[i + 2].slice(2), 'hex'),
+        len: parseInt(tokens[i + 1]),
+        opcodenum: opcodenum
+      });
+      i = i + 3;
+    } else {
+      script.chunks.push({
+        opcodenum: opcodenum
+      });
+      i = i + 1;
+    }
+  }
+  return script;
+};
+
+Script.prototype._chunkToString = function(chunk, type) {
+  var opcodenum = chunk.opcodenum;
+  var asm = (type === 'asm');
+  var str = '';
+  if (!chunk.buf) {
+    // no data chunk
+    if (typeof Opcode.reverseMap[opcodenum] !== 'undefined') {
+      str = str + ' ' + Opcode(opcodenum).toString();
+    } else {
+      var numstr = opcodenum.toString(16);
+      if (numstr.length % 2 !== 0) {
+        numstr = '0' + numstr;
+      }
+      if (asm) {
+        str = str + ' ' + numstr;
+      } else {
+        str = str + ' ' + '0x' + numstr;
+      }
+    }
+  } else {
+    // data chunk
+    if (opcodenum === Opcode.OP_PUSHDATA1 ||
+      opcodenum === Opcode.OP_PUSHDATA2 ||
+      opcodenum === Opcode.OP_PUSHDATA4) {
+      str = str + ' ' + Opcode(opcodenum).toString();
+    }
+    if (chunk.len > 0) {
+      if (asm) {
+        str = str + ' ' + chunk.buf.toString('hex');
+      } else {
+        str = str + ' ' + chunk.len + ' ' + '0x' + chunk.buf.toString('hex');
+      }
+    }
+  }
+  return str;
+};
+
+Script.prototype.toASM = function() {
+  var str = '';
+  for (var i = 0; i < this.chunks.length; i++) {
+    var chunk = this.chunks[i];
+    str += this._chunkToString(chunk, 'asm');
+  }
+
+  return str.substr(1);
+};
+
+Script.prototype.toString = function() {
+  var str = '';
+  for (var i = 0; i < this.chunks.length; i++) {
+    var chunk = this.chunks[i];
+    str += this._chunkToString(chunk);
+  }
+
+  return str.substr(1);
+};
+
+Script.prototype.toHex = function() {
+  return this.toBuffer().toString('hex');
+};
+
+Script.prototype.inspect = function() {
+  return '<Script: ' + this.toString() + '>';
+};
+
+// script classification methods
+
+/**
+ * @returns {boolean} if this is a pay to pubkey hash output script
+ */
+Script.prototype.isPublicKeyHashOut = function() {
+  return !!(this.chunks.length === 5 &&
+    this.chunks[0].opcodenum === Opcode.OP_DUP &&
+    this.chunks[1].opcodenum === Opcode.OP_HASH160 &&
+    this.chunks[2].buf &&
+    this.chunks[2].buf.length === 20 &&
+    this.chunks[3].opcodenum === Opcode.OP_EQUALVERIFY &&
+    this.chunks[4].opcodenum === Opcode.OP_CHECKSIG);
+};
+
+/**
+ * @returns {boolean} if this is a pay to public key hash input script
+ */
+Script.prototype.isPublicKeyHashIn = function() {
+  if (this.chunks.length === 2) {
+    var signatureBuf = this.chunks[0].buf;
+    var pubkeyBuf = this.chunks[1].buf;
+    if (signatureBuf &&
+        signatureBuf.length &&
+        signatureBuf[0] === 0x30 &&
+        pubkeyBuf &&
+        pubkeyBuf.length
+       ) {
+      var version = pubkeyBuf[0];
+      if ((version === 0x04 ||
+           version === 0x06 ||
+           version === 0x07) && pubkeyBuf.length === 65) {
+        return true;
+      } else if ((version === 0x03 || version === 0x02) && pubkeyBuf.length === 33) {
+        return true;
+      }
+    }
+  }
+  return false;
+};
+
+Script.prototype.getPublicKey = function() {
+  $.checkState(this.isPublicKeyOut(), 'Can\'t retrieve PublicKey from a non-PK output');
+  return this.chunks[0].buf;
+};
+
+Script.prototype.getPublicKeyHash = function() {
+  $.checkState(this.isPublicKeyHashOut(), 'Can\'t retrieve PublicKeyHash from a non-PKH output');
+  return this.chunks[2].buf;
+};
+
+/**
+ * @returns {boolean} if this is a public key output script
+ */
+Script.prototype.isPublicKeyOut = function() {
+  if (this.chunks.length === 2 &&
+      this.chunks[0].buf &&
+      this.chunks[0].buf.length &&
+      this.chunks[1].opcodenum === Opcode.OP_CHECKSIG) {
+    var pubkeyBuf = this.chunks[0].buf;
+    var version = pubkeyBuf[0];
+    var isVersion = false;
+    if ((version === 0x04 ||
+         version === 0x06 ||
+         version === 0x07) && pubkeyBuf.length === 65) {
+      isVersion = true;
+    } else if ((version === 0x03 || version === 0x02) && pubkeyBuf.length === 33) {
+      isVersion = true;
+    }
+    if (isVersion) {
+      return PublicKey.isValid(pubkeyBuf);
+    }
+  }
+  return false;
+};
+
+/**
+ * @returns {boolean} if this is a pay to public key input script
+ */
+Script.prototype.isPublicKeyIn = function() {
+  if (this.chunks.length === 1) {
+    var signatureBuf = this.chunks[0].buf;
+    if (signatureBuf &&
+        signatureBuf.length &&
+        signatureBuf[0] === 0x30) {
+      return true;
+    }
+  }
+  return false;
+};
+
+/**
+ * @returns {boolean} if this is a p2sh output script
+ */
+Script.prototype.isScriptHashOut = function() {
+  var buf = this.toBuffer();
+  return (buf.length === 23 &&
+    buf[0] === Opcode.OP_HASH160 &&
+    buf[1] === 0x14 &&
+    buf[buf.length - 1] === Opcode.OP_EQUAL);
+};
+
+/**
+ * @returns {boolean} if this is a p2sh input script
+ * Note that these are frequently indistinguishable from pubkeyhashin
+ */
+Script.prototype.isScriptHashIn = function() {
+  if (this.chunks.length <= 1) {
+    return false;
+  }
+  var redeemChunk = this.chunks[this.chunks.length - 1];
+  var redeemBuf = redeemChunk.buf;
+  if (!redeemBuf) {
+    return false;
+  }
+
+  var redeemScript;
+  try {
+    redeemScript = Script.fromBuffer(redeemBuf);
+  } catch (e) {
+    if (e instanceof errors.Script.InvalidBuffer) {
+      return false;
+    }
+    throw e;
+  }
+  var type = redeemScript.classify();
+  return type !== Script.types.UNKNOWN;
+};
+
+/**
+ * @returns {boolean} if this is a mutlsig output script
+ */
+Script.prototype.isMultisigOut = function() {
+  return (this.chunks.length > 3 &&
+    Opcode.isSmallIntOp(this.chunks[0].opcodenum) &&
+    this.chunks.slice(1, this.chunks.length - 2).every(function(obj) {
+      return obj.buf && BufferUtil.isBuffer(obj.buf);
+    }) &&
+    Opcode.isSmallIntOp(this.chunks[this.chunks.length - 2].opcodenum) &&
+    this.chunks[this.chunks.length - 1].opcodenum === Opcode.OP_CHECKMULTISIG);
+};
+
+
+/**
+ * @returns {boolean} if this is a multisig input script
+ */
+Script.prototype.isMultisigIn = function() {
+  return this.chunks.length >= 2 &&
+    this.chunks[0].opcodenum === 0 &&
+    this.chunks.slice(1, this.chunks.length).every(function(obj) {
+      return obj.buf &&
+        BufferUtil.isBuffer(obj.buf) &&
+        Signature.isTxDER(obj.buf);
+    });
+};
+
+/**
+ * @returns {boolean} true if this is a valid standard OP_RETURN output
+ */
+Script.prototype.isDataOut = function() {
+  return this.chunks.length >= 1 &&
+    this.chunks[0].opcodenum === Opcode.OP_RETURN &&
+    (this.chunks.length === 1 ||
+      (this.chunks.length === 2 &&
+        this.chunks[1].buf &&
+        this.chunks[1].buf.length <= Script.OP_RETURN_STANDARD_SIZE &&
+        this.chunks[1].length === this.chunks.len));
+};
+
+/**
+ * Retrieve the associated data for this script.
+ * In the case of a pay to public key hash or P2SH, return the hash.
+ * In the case of a standard OP_RETURN, return the data
+ * @returns {Buffer}
+ */
+Script.prototype.getData = function() {
+  if (this.isDataOut() || this.isScriptHashOut()) {
+    if (_.isUndefined(this.chunks[1])) {
+      return new Buffer(0);
+    } else {
+      return new Buffer(this.chunks[1].buf);
+    }
+  }
+  if (this.isPublicKeyHashOut()) {
+    return new Buffer(this.chunks[2].buf);
+  }
+  throw new Error('Unrecognized script type to get data from');
+};
+
+/**
+ * @returns {boolean} if the script is only composed of data pushing
+ * opcodes or small int opcodes (OP_0, OP_1, ..., OP_16)
+ */
+Script.prototype.isPushOnly = function() {
+  return _.every(this.chunks, function(chunk) {
+    return chunk.opcodenum <= Opcode.OP_16;
+  });
+};
+
+
+Script.types = {};
+Script.types.UNKNOWN = 'Unknown';
+Script.types.PUBKEY_OUT = 'Pay to public key';
+Script.types.PUBKEY_IN = 'Spend from public key';
+Script.types.PUBKEYHASH_OUT = 'Pay to public key hash';
+Script.types.PUBKEYHASH_IN = 'Spend from public key hash';
+Script.types.SCRIPTHASH_OUT = 'Pay to script hash';
+Script.types.SCRIPTHASH_IN = 'Spend from script hash';
+Script.types.MULTISIG_OUT = 'Pay to multisig';
+Script.types.MULTISIG_IN = 'Spend from multisig';
+Script.types.DATA_OUT = 'Data push';
+
+Script.OP_RETURN_STANDARD_SIZE = 80;
+
+/**
+ * @returns {object} The Script type if it is a known form,
+ * or Script.UNKNOWN if it isn't
+ */
+Script.prototype.classify = function() {
+  if (this._isInput) {
+    return this.classifyInput();
+  } else if (this._isOutput) {
+    return this.classifyOutput();
+  } else {
+    var outputType = this.classifyOutput();
+    return outputType != Script.types.UNKNOWN ? outputType : this.classifyInput();
+  }
+};
+
+Script.outputIdentifiers = {};
+Script.outputIdentifiers.PUBKEY_OUT = Script.prototype.isPublicKeyOut;
+Script.outputIdentifiers.PUBKEYHASH_OUT = Script.prototype.isPublicKeyHashOut;
+Script.outputIdentifiers.MULTISIG_OUT = Script.prototype.isMultisigOut;
+Script.outputIdentifiers.SCRIPTHASH_OUT = Script.prototype.isScriptHashOut;
+Script.outputIdentifiers.DATA_OUT = Script.prototype.isDataOut;
+
+/**
+ * @returns {object} The Script type if it is a known form,
+ * or Script.UNKNOWN if it isn't
+ */
+Script.prototype.classifyOutput = function() {
+  for (var type in Script.outputIdentifiers) {
+    if (Script.outputIdentifiers[type].bind(this)()) {
+      return Script.types[type];
+    }
+  }
+  return Script.types.UNKNOWN;
+};
+
+Script.inputIdentifiers = {};
+Script.inputIdentifiers.PUBKEY_IN = Script.prototype.isPublicKeyIn;
+Script.inputIdentifiers.PUBKEYHASH_IN = Script.prototype.isPublicKeyHashIn;
+Script.inputIdentifiers.MULTISIG_IN = Script.prototype.isMultisigIn;
+Script.inputIdentifiers.SCRIPTHASH_IN = Script.prototype.isScriptHashIn;
+
+/**
+ * @returns {object} The Script type if it is a known form,
+ * or Script.UNKNOWN if it isn't
+ */
+Script.prototype.classifyInput = function() {
+  for (var type in Script.inputIdentifiers) {
+    if (Script.inputIdentifiers[type].bind(this)()) {
+      return Script.types[type];
+    }
+  }
+  return Script.types.UNKNOWN;
+};
+
+
+/**
+ * @returns {boolean} if script is one of the known types
+ */
+Script.prototype.isStandard = function() {
+  // TODO: Add BIP62 compliance
+  return this.classify() !== Script.types.UNKNOWN;
+};
+
+
+// Script construction methods
+
+/**
+ * Adds a script element at the start of the script.
+ * @param {*} obj a string, number, Opcode, Buffer, or object to add
+ * @returns {Script} this script instance
+ */
+Script.prototype.prepend = function(obj) {
+  this._addByType(obj, true);
+  return this;
+};
+
+/**
+ * Compares a script with another script
+ */
+Script.prototype.equals = function(script) {
+  $.checkState(script instanceof Script, 'Must provide another script');
+  if (this.chunks.length !== script.chunks.length) {
+    return false;
+  }
+  var i;
+  for (i = 0; i < this.chunks.length; i++) {
+    if (BufferUtil.isBuffer(this.chunks[i].buf) && !BufferUtil.isBuffer(script.chunks[i].buf)) {
+      return false;
+    }
+    if (BufferUtil.isBuffer(this.chunks[i].buf) && !BufferUtil.equals(this.chunks[i].buf, script.chunks[i].buf)) {
+      return false;
+    } else if (this.chunks[i].opcodenum !== script.chunks[i].opcodenum) {
+      return false;
+    }
+  }
+  return true;
+};
+
+/**
+ * Adds a script element to the end of the script.
+ *
+ * @param {*} obj a string, number, Opcode, Buffer, or object to add
+ * @returns {Script} this script instance
+ *
+ */
+Script.prototype.add = function(obj) {
+  this._addByType(obj, false);
+  return this;
+};
+
+Script.prototype._addByType = function(obj, prepend) {
+  if (typeof obj === 'string') {
+    this._addOpcode(obj, prepend);
+  } else if (typeof obj === 'number') {
+    this._addOpcode(obj, prepend);
+  } else if (obj instanceof Opcode) {
+    this._addOpcode(obj, prepend);
+  } else if (BufferUtil.isBuffer(obj)) {
+    this._addBuffer(obj, prepend);
+  } else if (obj instanceof Script) {
+    this.chunks = this.chunks.concat(obj.chunks);
+  } else if (typeof obj === 'object') {
+    this._insertAtPosition(obj, prepend);
+  } else {
+    throw new Error('Invalid script chunk');
+  }
+};
+
+Script.prototype._insertAtPosition = function(op, prepend) {
+  if (prepend) {
+    this.chunks.unshift(op);
+  } else {
+    this.chunks.push(op);
+  }
+};
+
+Script.prototype._addOpcode = function(opcode, prepend) {
+  var op;
+  if (typeof opcode === 'number') {
+    op = opcode;
+  } else if (opcode instanceof Opcode) {
+    op = opcode.toNumber();
+  } else {
+    op = Opcode(opcode).toNumber();
+  }
+  this._insertAtPosition({
+    opcodenum: op
+  }, prepend);
+  return this;
+};
+
+Script.prototype._addBuffer = function(buf, prepend) {
+  var opcodenum;
+  var len = buf.length;
+  if (len >= 0 && len < Opcode.OP_PUSHDATA1) {
+    opcodenum = len;
+  } else if (len < Math.pow(2, 8)) {
+    opcodenum = Opcode.OP_PUSHDATA1;
+  } else if (len < Math.pow(2, 16)) {
+    opcodenum = Opcode.OP_PUSHDATA2;
+  } else if (len < Math.pow(2, 32)) {
+    opcodenum = Opcode.OP_PUSHDATA4;
+  } else {
+    throw new Error('You can\'t push that much data');
+  }
+  this._insertAtPosition({
+    buf: buf,
+    len: len,
+    opcodenum: opcodenum
+  }, prepend);
+  return this;
+};
+
+Script.prototype.removeCodeseparators = function() {
+  var chunks = [];
+  for (var i = 0; i < this.chunks.length; i++) {
+    if (this.chunks[i].opcodenum !== Opcode.OP_CODESEPARATOR) {
+      chunks.push(this.chunks[i]);
+    }
+  }
+  this.chunks = chunks;
+  return this;
+};
+
+// high level script builder methods
+
+/**
+ * @returns {Script} a new Multisig output script for given public keys,
+ * requiring m of those public keys to spend
+ * @param {PublicKey[]} publicKeys - list of all public keys controlling the output
+ * @param {number} threshold - amount of required signatures to spend the output
+ * @param {Object=} opts - Several options:
+ *        - noSorting: defaults to false, if true, don't sort the given
+ *                      public keys before creating the script
+ */
+Script.buildMultisigOut = function(publicKeys, threshold, opts) {
+  $.checkArgument(threshold <= publicKeys.length,
+    'Number of required signatures must be less than or equal to the number of public keys');
+  opts = opts || {};
+  var script = new Script();
+  script.add(Opcode.smallInt(threshold));
+  publicKeys = _.map(publicKeys, PublicKey);
+  var sorted = publicKeys;
+  if (!opts.noSorting) {
+    sorted = _.sortBy(publicKeys, function(publicKey) {
+      return publicKey.toString('hex');
+    });
+  }
+  for (var i = 0; i < sorted.length; i++) {
+    var publicKey = sorted[i];
+    script.add(publicKey.toBuffer());
+  }
+  script.add(Opcode.smallInt(publicKeys.length));
+  script.add(Opcode.OP_CHECKMULTISIG);
+  return script;
+};
+
+/**
+ * A new Multisig input script for the given public keys, requiring m of those public keys to spend
+ *
+ * @param {PublicKey[]} pubkeys list of all public keys controlling the output
+ * @param {number} threshold amount of required signatures to spend the output
+ * @param {Array} signatures and array of signature buffers to append to the script
+ * @param {Object=} opts
+ * @param {boolean=} opts.noSorting don't sort the given public keys before creating the script (false by default)
+ * @param {Script=} opts.cachedMultisig don't recalculate the redeemScript
+ *
+ * @returns {Script}
+ */
+Script.buildMultisigIn = function(pubkeys, threshold, signatures, opts) {
+  $.checkArgument(_.isArray(pubkeys));
+  $.checkArgument(_.isNumber(threshold));
+  $.checkArgument(_.isArray(signatures));
+  opts = opts || {};
+  var s = new Script();
+  s.add(Opcode.OP_0);
+  _.each(signatures, function(signature) {
+    $.checkArgument(BufferUtil.isBuffer(signature), 'Signatures must be an array of Buffers');
+    // TODO: allow signatures to be an array of Signature objects
+    s.add(signature);
+  });
+  return s;
+};
+
+/**
+ * A new P2SH Multisig input script for the given public keys, requiring m of those public keys to spend
+ *
+ * @param {PublicKey[]} pubkeys list of all public keys controlling the output
+ * @param {number} threshold amount of required signatures to spend the output
+ * @param {Array} signatures and array of signature buffers to append to the script
+ * @param {Object=} opts
+ * @param {boolean=} opts.noSorting don't sort the given public keys before creating the script (false by default)
+ * @param {Script=} opts.cachedMultisig don't recalculate the redeemScript
+ *
+ * @returns {Script}
+ */
+Script.buildP2SHMultisigIn = function(pubkeys, threshold, signatures, opts) {
+  $.checkArgument(_.isArray(pubkeys));
+  $.checkArgument(_.isNumber(threshold));
+  $.checkArgument(_.isArray(signatures));
+  opts = opts || {};
+  var s = new Script();
+  s.add(Opcode.OP_0);
+  _.each(signatures, function(signature) {
+    $.checkArgument(BufferUtil.isBuffer(signature), 'Signatures must be an array of Buffers');
+    // TODO: allow signatures to be an array of Signature objects
+    s.add(signature);
+  });
+  s.add((opts.cachedMultisig || Script.buildMultisigOut(pubkeys, threshold, opts)).toBuffer());
+  return s;
+};
+
+/**
+ * @returns {Script} a new pay to public key hash output for the given
+ * address or public key
+ * @param {(Address|PublicKey)} to - destination address or public key
+ */
+Script.buildPublicKeyHashOut = function(to) {
+  $.checkArgument(!_.isUndefined(to));
+  $.checkArgument(to instanceof PublicKey || to instanceof Address || _.isString(to));
+  if (to instanceof PublicKey) {
+    to = to.toAddress();
+  } else if (_.isString(to)) {
+    to = new Address(to);
+  }
+  var s = new Script();
+  s.add(Opcode.OP_DUP)
+    .add(Opcode.OP_HASH160)
+    .add(to.hashBuffer)
+    .add(Opcode.OP_EQUALVERIFY)
+    .add(Opcode.OP_CHECKSIG);
+  s._network = to.network;
+  return s;
+};
+
+/**
+ * @returns {Script} a new pay to public key output for the given
+ *  public key
+ */
+Script.buildPublicKeyOut = function(pubkey) {
+  $.checkArgument(pubkey instanceof PublicKey);
+  var s = new Script();
+  s.add(pubkey.toBuffer())
+    .add(Opcode.OP_CHECKSIG);
+  return s;
+};
+
+/**
+ * @returns {Script} a new OP_RETURN script with data
+ * @param {(string|Buffer)} data - the data to embed in the output
+ * @param {(string)} encoding - the type of encoding of the string
+ */
+Script.buildDataOut = function(data, encoding) {
+  $.checkArgument(_.isUndefined(data) || _.isString(data) || BufferUtil.isBuffer(data));
+  if (_.isString(data)) {
+    data = new Buffer(data, encoding);
+  }
+  var s = new Script();
+  s.add(Opcode.OP_RETURN);
+  if (!_.isUndefined(data)) {
+    s.add(data);
+  }
+  return s;
+};
+
+/**
+ * @param {Script|Address} script - the redeemScript for the new p2sh output.
+ *    It can also be a p2sh address
+ * @returns {Script} new pay to script hash script for given script
+ */
+Script.buildScriptHashOut = function(script) {
+  $.checkArgument(script instanceof Script ||
+    (script instanceof Address && script.isPayToScriptHash()));
+  var s = new Script();
+  s.add(Opcode.OP_HASH160)
+    .add(script instanceof Address ? script.hashBuffer : Hash.sha256ripemd160(script.toBuffer()))
+    .add(Opcode.OP_EQUAL);
+
+  s._network = script._network || script.network;
+  return s;
+};
+
+/**
+ * Builds a scriptSig (a script for an input) that signs a public key output script.
+ *
+ * @param {Signature|Buffer} signature - a Signature object, or the signature in DER canonical encoding
+ * @param {number=} sigtype - the type of the signature (defaults to SIGHASH_ALL)
+ */
+Script.buildPublicKeyIn = function(signature, sigtype) {
+  $.checkArgument(signature instanceof Signature || BufferUtil.isBuffer(signature));
+  $.checkArgument(_.isUndefined(sigtype) || _.isNumber(sigtype));
+  if (signature instanceof Signature) {
+    signature = signature.toBuffer();
+  }
+  var script = new Script();
+  script.add(BufferUtil.concat([
+    signature,
+    BufferUtil.integerAsSingleByteBuffer(sigtype || Signature.SIGHASH_ALL)
+  ]));
+  return script;
+};
+
+/**
+ * Builds a scriptSig (a script for an input) that signs a public key hash
+ * output script.
+ *
+ * @param {Buffer|string|PublicKey} publicKey
+ * @param {Signature|Buffer} signature - a Signature object, or the signature in DER canonical encoding
+ * @param {number=} sigtype - the type of the signature (defaults to SIGHASH_ALL)
+ */
+Script.buildPublicKeyHashIn = function(publicKey, signature, sigtype) {
+  $.checkArgument(signature instanceof Signature || BufferUtil.isBuffer(signature));
+  $.checkArgument(_.isUndefined(sigtype) || _.isNumber(sigtype));
+  if (signature instanceof Signature) {
+    signature = signature.toBuffer();
+  }
+  var script = new Script()
+    .add(BufferUtil.concat([
+      signature,
+      BufferUtil.integerAsSingleByteBuffer(sigtype || Signature.SIGHASH_ALL)
+    ]))
+    .add(new PublicKey(publicKey).toBuffer());
+  return script;
+};
+
+/**
+ * @returns {Script} an empty script
+ */
+Script.empty = function() {
+  return new Script();
+};
+
+/**
+ * @returns {Script} a new pay to script hash script that pays to this script
+ */
+Script.prototype.toScriptHashOut = function() {
+  return Script.buildScriptHashOut(this);
+};
+
+/**
+ * @return {Script} an output script built from the address
+ */
+Script.fromAddress = function(address) {
+  address = Address(address);
+  if (address.isPayToScriptHash()) {
+    return Script.buildScriptHashOut(address);
+  } else if (address.isPayToPublicKeyHash()) {
+    return Script.buildPublicKeyHashOut(address);
+  }
+  throw new errors.Script.UnrecognizedAddress(address);
+};
+
+/**
+ * Will return the associated address information object
+ * @return {Address|boolean}
+ */
+Script.prototype.getAddressInfo = function(opts) {
+  if (this._isInput) {
+    return this._getInputAddressInfo();
+  } else if (this._isOutput) {
+    return this._getOutputAddressInfo();
+  } else {
+    var info = this._getOutputAddressInfo();
+    if (!info) {
+      return this._getInputAddressInfo();
+    }
+    return info;
+  }
+};
+
+/**
+ * Will return the associated output scriptPubKey address information object
+ * @return {Address|boolean}
+ * @private
+ */
+Script.prototype._getOutputAddressInfo = function() {
+  var info = {};
+  if (this.isScriptHashOut()) {
+    info.hashBuffer = this.getData();
+    info.type = Address.PayToScriptHash;
+  } else if (this.isPublicKeyHashOut()) {
+    info.hashBuffer = this.getData();
+    info.type = Address.PayToPublicKeyHash;
+  } else {
+    return false;
+  }
+  return info;
+};
+
+/**
+ * Will return the associated input scriptSig address information object
+ * @return {Address|boolean}
+ * @private
+ */
+Script.prototype._getInputAddressInfo = function() {
+  var info = {};
+  if (this.isPublicKeyHashIn()) {
+    // hash the publickey found in the scriptSig
+    info.hashBuffer = Hash.sha256ripemd160(this.chunks[1].buf);
+    info.type = Address.PayToPublicKeyHash;
+  } else if (this.isScriptHashIn()) {
+    // hash the redeemscript found at the end of the scriptSig
+    info.hashBuffer = Hash.sha256ripemd160(this.chunks[this.chunks.length - 1].buf);
+    info.type = Address.PayToScriptHash;
+  } else {
+    return false;
+  }
+  return info;
+};
+
+/**
+ * @param {Network=} network
+ * @return {Address|boolean} the associated address for this script if possible, or false
+ */
+Script.prototype.toAddress = function(network) {
+  var info = this.getAddressInfo();
+  if (!info) {
+    return false;
+  }
+  info.network = Networks.get(network) || this._network || Networks.defaultNetwork;
+  return new Address(info);
+};
+
+/**
+ * Analogous to bitcoind's FindAndDelete. Find and delete equivalent chunks,
+ * typically used with push data chunks.  Note that this will find and delete
+ * not just the same data, but the same data with the same push data op as
+ * produced by default. i.e., if a pushdata in a tx does not use the minimal
+ * pushdata op, then when you try to remove the data it is pushing, it will not
+ * be removed, because they do not use the same pushdata op.
+ */
+Script.prototype.findAndDelete = function(script) {
+  var buf = script.toBuffer();
+  var hex = buf.toString('hex');
+  for (var i = 0; i < this.chunks.length; i++) {
+    var script2 = Script({
+      chunks: [this.chunks[i]]
+    });
+    var buf2 = script2.toBuffer();
+    var hex2 = buf2.toString('hex');
+    if (hex === hex2) {
+      this.chunks.splice(i, 1);
+    }
+  }
+  return this;
+};
+
+/**
+ * Comes from bitcoind's script interpreter CheckMinimalPush function
+ * @returns {boolean} if the chunk {i} is the smallest way to push that particular data.
+ */
+Script.prototype.checkMinimalPush = function(i) {
+  var chunk = this.chunks[i];
+  var buf = chunk.buf;
+  var opcodenum = chunk.opcodenum;
+  if (!buf) {
+    return true;
+  }
+  if (buf.length === 0) {
+    // Could have used OP_0.
+    return opcodenum === Opcode.OP_0;
+  } else if (buf.length === 1 && buf[0] >= 1 && buf[0] <= 16) {
+    // Could have used OP_1 .. OP_16.
+    return opcodenum === Opcode.OP_1 + (buf[0] - 1);
+  } else if (buf.length === 1 && buf[0] === 0x81) {
+    // Could have used OP_1NEGATE
+    return opcodenum === Opcode.OP_1NEGATE;
+  } else if (buf.length <= 75) {
+    // Could have used a direct push (opcode indicating number of bytes pushed + those bytes).
+    return opcodenum === buf.length;
+  } else if (buf.length <= 255) {
+    // Could have used OP_PUSHDATA.
+    return opcodenum === Opcode.OP_PUSHDATA1;
+  } else if (buf.length <= 65535) {
+    // Could have used OP_PUSHDATA2.
+    return opcodenum === Opcode.OP_PUSHDATA2;
+  }
+  return true;
+};
+
+/**
+ * Comes from bitcoind's script DecodeOP_N function
+ * @param {number} opcode
+ * @returns {number} numeric value in range of 0 to 16
+ */
+Script.prototype._decodeOP_N = function(opcode) {
+  if (opcode === Opcode.OP_0) {
+    return 0;
+  } else if (opcode >= Opcode.OP_1 && opcode <= Opcode.OP_16) {
+    return opcode - (Opcode.OP_1 - 1);
+  } else {
+    throw new Error('Invalid opcode: ' + JSON.stringify(opcode));
+  }
+};
+
+/**
+ * Comes from bitcoind's script GetSigOpCount(boolean) function
+ * @param {boolean} use current (true) or pre-version-0.6 (false) logic
+ * @returns {number} number of signature operations required by this script
+ */
+Script.prototype.getSignatureOperationsCount = function(accurate) {
+  accurate = (_.isUndefined(accurate) ? true : accurate);
+  var self = this;
+  var n = 0;
+  var lastOpcode = Opcode.OP_INVALIDOPCODE;
+  _.each(self.chunks, function getChunk(chunk) {
+    var opcode = chunk.opcodenum;
+    if (opcode == Opcode.OP_CHECKSIG || opcode == Opcode.OP_CHECKSIGVERIFY) {
+      n++;
+    } else if (opcode == Opcode.OP_CHECKMULTISIG || opcode == Opcode.OP_CHECKMULTISIGVERIFY) {
+      if (accurate && lastOpcode >= Opcode.OP_1 && lastOpcode <= Opcode.OP_16) {
+        n += self._decodeOP_N(lastOpcode);
+      } else {
+        n += 20;
+      }
+    }
+    lastOpcode = opcode;
+  });
+  return n;
+};
+
+module.exports = Script;
+
+}).call(this,require("buffer").Buffer)
+},{"../address":214,"../crypto/hash":222,"../crypto/signature":225,"../encoding/bufferreader":228,"../encoding/bufferwriter":229,"../errors":231,"../networks":246,"../opcode":247,"../publickey":249,"../util/buffer":267,"../util/js":268,"../util/preconditions":269,"buffer":70,"lodash":148}],253:[function(require,module,exports){
+module.exports = require('./transaction');
+
+module.exports.Input = require('./input');
+module.exports.Output = require('./output');
+module.exports.UnspentOutput = require('./unspentoutput');
+module.exports.Signature = require('./signature');
+module.exports.Sighash = require('./sighash');
+
+},{"./input":254,"./output":260,"./sighash":261,"./signature":262,"./transaction":263,"./unspentoutput":264}],254:[function(require,module,exports){
+module.exports = require('./input');
+
+module.exports.PublicKey = require('./publickey');
+module.exports.PublicKeyHash = require('./publickeyhash');
+module.exports.MultiSig = require('./multisig.js');
+module.exports.MultiSigScriptHash = require('./multisigscripthash.js');
+
+},{"./input":255,"./multisig.js":256,"./multisigscripthash.js":257,"./publickey":258,"./publickeyhash":259}],255:[function(require,module,exports){
+'use strict';
+
+var _ = require('lodash');
+var $ = require('../../util/preconditions');
+var errors = require('../../errors');
+var BufferWriter = require('../../encoding/bufferwriter');
+var buffer = require('buffer');
+var BufferUtil = require('../../util/buffer');
+var JSUtil = require('../../util/js');
+var Script = require('../../script');
+var Sighash = require('../sighash');
+var Output = require('../output');
+
+var MAXINT = 0xffffffff; // Math.pow(2, 32) - 1;
+var DEFAULT_RBF_SEQNUMBER = MAXINT - 2;
+var DEFAULT_SEQNUMBER = MAXINT;
+var DEFAULT_LOCKTIME_SEQNUMBER = MAXINT - 1;
+
+function Input(params) {
+  if (!(this instanceof Input)) {
+    return new Input(params);
+  }
+  if (params) {
+    return this._fromObject(params);
+  }
+}
+
+Input.MAXINT = MAXINT;
+Input.DEFAULT_SEQNUMBER = DEFAULT_SEQNUMBER;
+Input.DEFAULT_LOCKTIME_SEQNUMBER = DEFAULT_LOCKTIME_SEQNUMBER;
+Input.DEFAULT_RBF_SEQNUMBER = DEFAULT_RBF_SEQNUMBER;
+
+Object.defineProperty(Input.prototype, 'script', {
+  configurable: false,
+  enumerable: true,
+  get: function() {
+    if (this.isNull()) {
+      return null;
+    }
+    if (!this._script) {
+      this._script = new Script(this._scriptBuffer);
+      this._script._isInput = true;
+    }
+    return this._script;
+  }
+});
+
+Input.fromObject = function(obj) {
+  $.checkArgument(_.isObject(obj));
+  var input = new Input();
+  return input._fromObject(obj);
+};
+
+Input.prototype._fromObject = function(params) {
+  var prevTxId;
+  if (_.isString(params.prevTxId) && JSUtil.isHexa(params.prevTxId)) {
+    prevTxId = new buffer.Buffer(params.prevTxId, 'hex');
+  } else {
+    prevTxId = params.prevTxId;
+  }
+  this.output = params.output ?
+    (params.output instanceof Output ? params.output : new Output(params.output)) : undefined;
+  this.prevTxId = prevTxId || params.txidbuf;
+  this.outputIndex = _.isUndefined(params.outputIndex) ? params.txoutnum : params.outputIndex;
+  this.sequenceNumber = _.isUndefined(params.sequenceNumber) ?
+    (_.isUndefined(params.seqnum) ? DEFAULT_SEQNUMBER : params.seqnum) : params.sequenceNumber;
+  if (_.isUndefined(params.script) && _.isUndefined(params.scriptBuffer)) {
+    throw new errors.Transaction.Input.MissingScript();
+  }
+  this.setScript(params.scriptBuffer || params.script);
+  return this;
+};
+
+Input.prototype.toObject = Input.prototype.toJSON = function toObject() {
+  var obj = {
+    prevTxId: this.prevTxId.toString('hex'),
+    outputIndex: this.outputIndex,
+    sequenceNumber: this.sequenceNumber,
+    script: this._scriptBuffer.toString('hex'),
+  };
+  // add human readable form if input contains valid script
+  if (this.script) {
+    obj.scriptString = this.script.toString();
+  }
+  if (this.output) {
+    obj.output = this.output.toObject();
+  }
+  return obj;
+};
+
+Input.fromBufferReader = function(br) {
+  var input = new Input();
+  input.prevTxId = br.readReverse(32);
+  input.outputIndex = br.readUInt32LE();
+  input._scriptBuffer = br.readVarLengthBuffer();
+  input.sequenceNumber = br.readUInt32LE();
+  // TODO: return different classes according to which input it is
+  // e.g: CoinbaseInput, PublicKeyHashInput, MultiSigScriptHashInput, etc.
+  return input;
+};
+
+Input.prototype.toBufferWriter = function(writer) {
+  if (!writer) {
+    writer = new BufferWriter();
+  }
+  writer.writeReverse(this.prevTxId);
+  writer.writeUInt32LE(this.outputIndex);
+  var script = this._scriptBuffer;
+  writer.writeVarintNum(script.length);
+  writer.write(script);
+  writer.writeUInt32LE(this.sequenceNumber);
+  return writer;
+};
+
+Input.prototype.setScript = function(script) {
+  this._script = null;
+  if (script instanceof Script) {
+    this._script = script;
+    this._script._isInput = true;
+    this._scriptBuffer = script.toBuffer();
+  } else if (JSUtil.isHexa(script)) {
+    // hex string script
+    this._scriptBuffer = new buffer.Buffer(script, 'hex');
+  } else if (_.isString(script)) {
+    // human readable string script
+    this._script = new Script(script);
+    this._script._isInput = true;
+    this._scriptBuffer = this._script.toBuffer();
+  } else if (BufferUtil.isBuffer(script)) {
+    // buffer script
+    this._scriptBuffer = new buffer.Buffer(script);
+  } else {
+    throw new TypeError('Invalid argument type: script');
+  }
+  return this;
+};
+
+/**
+ * Retrieve signatures for the provided PrivateKey.
+ *
+ * @param {Transaction} transaction - the transaction to be signed
+ * @param {PrivateKey} privateKey - the private key to use when signing
+ * @param {number} inputIndex - the index of this input in the provided transaction
+ * @param {number} sigType - defaults to Signature.SIGHASH_ALL
+ * @param {Buffer} addressHash - if provided, don't calculate the hash of the
+ *     public key associated with the private key provided
+ * @abstract
+ */
+Input.prototype.getSignatures = function() {
+  throw new errors.AbstractMethodInvoked(
+    'Trying to sign unsupported output type (only P2PKH and P2SH multisig inputs are supported)' +
+    ' for input: ' + JSON.stringify(this)
+  );
+};
+
+Input.prototype.isFullySigned = function() {
+  throw new errors.AbstractMethodInvoked('Input#isFullySigned');
+};
+
+Input.prototype.isFinal = function() {
+  return this.sequenceNumber !== 4294967295;
+};
+
+Input.prototype.addSignature = function() {
+  throw new errors.AbstractMethodInvoked('Input#addSignature');
+};
+
+Input.prototype.clearSignatures = function() {
+  throw new errors.AbstractMethodInvoked('Input#clearSignatures');
+};
+
+Input.prototype.isValidSignature = function(transaction, signature) {
+  // FIXME: Refactor signature so this is not necessary
+  signature.signature.nhashtype = signature.sigtype;
+  return Sighash.verify(
+    transaction,
+    signature.signature,
+    signature.publicKey,
+    signature.inputIndex,
+    this.output.script,
+    this.output.satoshisBN
+  );
+};
+
+/**
+ * @returns true if this is a coinbase input (represents no input)
+ */
+Input.prototype.isNull = function() {
+  return this.prevTxId.toString('hex') === '0000000000000000000000000000000000000000000000000000000000000000' &&
+    this.outputIndex === 0xffffffff;
+};
+
+Input.prototype._estimateSize = function() {
+  return this.toBufferWriter().toBuffer().length;
+};
+
+module.exports = Input;
+
+},{"../../encoding/bufferwriter":229,"../../errors":231,"../../script":250,"../../util/buffer":267,"../../util/js":268,"../../util/preconditions":269,"../output":260,"../sighash":261,"buffer":70,"lodash":148}],256:[function(require,module,exports){
+'use strict';
+
+var _ = require('lodash');
+var inherits = require('inherits');
+var Transaction = require('../transaction');
+var Input = require('./input');
+var Output = require('../output');
+var $ = require('../../util/preconditions');
+
+var Script = require('../../script');
+var Signature = require('../../crypto/signature');
+var Sighash = require('../sighash');
+var PublicKey = require('../../publickey');
+var BufferUtil = require('../../util/buffer');
+var TransactionSignature = require('../signature');
+
+/**
+ * @constructor
+ */
+function MultiSigInput(input, pubkeys, threshold, signatures) {
+  Input.apply(this, arguments);
+  var self = this;
+  pubkeys = pubkeys || input.publicKeys;
+  threshold = threshold || input.threshold;
+  signatures = signatures || input.signatures;
+  this.publicKeys = _.sortBy(pubkeys, function(publicKey) { return publicKey.toString('hex'); });
+  $.checkState(Script.buildMultisigOut(this.publicKeys, threshold).equals(this.output.script),
+    'Provided public keys don\'t match to the provided output script');
+  this.publicKeyIndex = {};
+  _.each(this.publicKeys, function(publicKey, index) {
+    self.publicKeyIndex[publicKey.toString()] = index;
+  });
+  this.threshold = threshold;
+  // Empty array of signatures
+  this.signatures = signatures ? this._deserializeSignatures(signatures) : new Array(this.publicKeys.length);
+}
+inherits(MultiSigInput, Input);
+
+MultiSigInput.prototype.toObject = function() {
+  var obj = Input.prototype.toObject.apply(this, arguments);
+  obj.threshold = this.threshold;
+  obj.publicKeys = _.map(this.publicKeys, function(publicKey) { return publicKey.toString(); });
+  obj.signatures = this._serializeSignatures();
+  return obj;
+};
+
+MultiSigInput.prototype._deserializeSignatures = function(signatures) {
+  return _.map(signatures, function(signature) {
+    if (!signature) {
+      return undefined;
+    }
+    return new TransactionSignature(signature);
+  });
+};
+
+MultiSigInput.prototype._serializeSignatures = function() {
+  return _.map(this.signatures, function(signature) {
+    if (!signature) {
+      return undefined;
+    }
+    return signature.toObject();
+  });
+};
+
+MultiSigInput.prototype.getSignatures = function(transaction, privateKey, index, sigtype) {
+  $.checkState(this.output instanceof Output);
+  sigtype = sigtype || (Signature.SIGHASH_ALL |  Signature.SIGHASH_FORKID);
+
+  var self = this;
+  var results = [];
+  _.each(this.publicKeys, function(publicKey) {
+    if (publicKey.toString() === privateKey.publicKey.toString()) {
+      results.push(new TransactionSignature({
+        publicKey: privateKey.publicKey,
+        prevTxId: self.prevTxId,
+        outputIndex: self.outputIndex,
+        inputIndex: index,
+        signature: Sighash.sign(transaction, privateKey, sigtype, index, self.output.script, self.output.satoshisBN),
+        sigtype: sigtype
+      }));
+    }
+  });
+
+  return results;
+};
+
+MultiSigInput.prototype.addSignature = function(transaction, signature) {
+  $.checkState(!this.isFullySigned(), 'All needed signatures have already been added');
+  $.checkArgument(!_.isUndefined(this.publicKeyIndex[signature.publicKey.toString()]),
+    'Signature has no matching public key');
+  $.checkState(this.isValidSignature(transaction, signature));
+  this.signatures[this.publicKeyIndex[signature.publicKey.toString()]] = signature;
+  this._updateScript();
+  return this;
+};
+
+MultiSigInput.prototype._updateScript = function() {
+  this.setScript(Script.buildMultisigIn(
+    this.publicKeys,
+    this.threshold,
+    this._createSignatures()
+  ));
+  return this;
+};
+
+MultiSigInput.prototype._createSignatures = function() {
+  return _.map(
+    _.filter(this.signatures, function(signature) { return !_.isUndefined(signature); }),
+    function(signature) {
+      return BufferUtil.concat([
+        signature.signature.toDER(),
+        BufferUtil.integerAsSingleByteBuffer(signature.sigtype)
+      ]);
+    }
+  );
+};
+
+MultiSigInput.prototype.clearSignatures = function() {
+  this.signatures = new Array(this.publicKeys.length);
+  this._updateScript();
+};
+
+MultiSigInput.prototype.isFullySigned = function() {
+  return this.countSignatures() === this.threshold;
+};
+
+MultiSigInput.prototype.countMissingSignatures = function() {
+  return this.threshold - this.countSignatures();
+};
+
+MultiSigInput.prototype.countSignatures = function() {
+  return _.reduce(this.signatures, function(sum, signature) {
+    return sum + (!!signature);
+  }, 0);
+};
+
+MultiSigInput.prototype.publicKeysWithoutSignature = function() {
+  var self = this;
+  return _.filter(this.publicKeys, function(publicKey) {
+    return !(self.signatures[self.publicKeyIndex[publicKey.toString()]]);
+  });
+};
+
+MultiSigInput.prototype.isValidSignature = function(transaction, signature) {
+  // FIXME: Refactor signature so this is not necessary
+  signature.signature.nhashtype = signature.sigtype;
+  return Sighash.verify(
+    transaction,
+    signature.signature,
+    signature.publicKey,
+    signature.inputIndex,
+    this.output.script,
+    this.output.satoshisBN
+  );
+};
+
+/**
+ *
+ * @param {Buffer[]} signatures
+ * @param {PublicKey[]} publicKeys
+ * @param {Transaction} transaction
+ * @param {Integer} inputIndex
+ * @param {Input} input
+ * @returns {TransactionSignature[]}
+ */
+MultiSigInput.normalizeSignatures = function(transaction, input, inputIndex, signatures, publicKeys) {
+  return publicKeys.map(function (pubKey) {
+    var signatureMatch = null;
+    signatures = signatures.filter(function (signatureBuffer) {
+      if (signatureMatch) {
+        return true;
+      }
+
+      var signature = new TransactionSignature({
+        signature: Signature.fromTxFormat(signatureBuffer),
+        publicKey: pubKey,
+        prevTxId: input.prevTxId,
+        outputIndex: input.outputIndex,
+        inputIndex: inputIndex,
+        sigtype: Signature.SIGHASH_ALL
+      });
+
+      signature.signature.nhashtype = signature.sigtype;
+      var isMatch = Sighash.verify(
+          transaction,
+          signature.signature,
+          signature.publicKey,
+          signature.inputIndex,
+          input.output.script
+      );
+
+      if (isMatch) {
+        signatureMatch = signature;
+        return false;
+      }
+
+      return true;
+    });
+
+    return signatureMatch ? signatureMatch : null;
+  });
+};
+
+MultiSigInput.OPCODES_SIZE = 1; // 0
+MultiSigInput.SIGNATURE_SIZE = 73; // size (1) + DER (<=72)
+
+MultiSigInput.prototype._estimateSize = function() {
+  return MultiSigInput.OPCODES_SIZE +
+    this.threshold * MultiSigInput.SIGNATURE_SIZE;
+};
+
+module.exports = MultiSigInput;
+
+},{"../../crypto/signature":225,"../../publickey":249,"../../script":250,"../../util/buffer":267,"../../util/preconditions":269,"../output":260,"../sighash":261,"../signature":262,"../transaction":263,"./input":255,"inherits":145,"lodash":148}],257:[function(require,module,exports){
+'use strict';
+
+var _ = require('lodash');
+var inherits = require('inherits');
+var Input = require('./input');
+var Output = require('../output');
+var $ = require('../../util/preconditions');
+
+var Script = require('../../script');
+var Signature = require('../../crypto/signature');
+var Sighash = require('../sighash');
+var PublicKey = require('../../publickey');
+var BufferUtil = require('../../util/buffer');
+var TransactionSignature = require('../signature');
+
+/**
+ * @constructor
+ */
+function MultiSigScriptHashInput(input, pubkeys, threshold, signatures) {
+  Input.apply(this, arguments);
+  var self = this;
+  pubkeys = pubkeys || input.publicKeys;
+  threshold = threshold || input.threshold;
+  signatures = signatures || input.signatures;
+  this.publicKeys = _.sortBy(pubkeys, function(publicKey) { return publicKey.toString('hex'); });
+  this.redeemScript = Script.buildMultisigOut(this.publicKeys, threshold);
+  $.checkState(Script.buildScriptHashOut(this.redeemScript).equals(this.output.script),
+               'Provided public keys don\'t hash to the provided output');
+  this.publicKeyIndex = {};
+  _.each(this.publicKeys, function(publicKey, index) {
+    self.publicKeyIndex[publicKey.toString()] = index;
+  });
+  this.threshold = threshold;
+  // Empty array of signatures
+  this.signatures = signatures ? this._deserializeSignatures(signatures) : new Array(this.publicKeys.length);
+}
+inherits(MultiSigScriptHashInput, Input);
+
+MultiSigScriptHashInput.prototype.toObject = function() {
+  var obj = Input.prototype.toObject.apply(this, arguments);
+  obj.threshold = this.threshold;
+  obj.publicKeys = _.map(this.publicKeys, function(publicKey) { return publicKey.toString(); });
+  obj.signatures = this._serializeSignatures();
+  return obj;
+};
+
+MultiSigScriptHashInput.prototype._deserializeSignatures = function(signatures) {
+  return _.map(signatures, function(signature) {
+    if (!signature) {
+      return undefined;
+    }
+    return new TransactionSignature(signature);
+  });
+};
+
+MultiSigScriptHashInput.prototype._serializeSignatures = function() {
+  return _.map(this.signatures, function(signature) {
+    if (!signature) {
+      return undefined;
+    }
+    return signature.toObject();
+  });
+};
+
+MultiSigScriptHashInput.prototype.getSignatures = function(transaction, privateKey, index, sigtype) {
+  $.checkState(this.output instanceof Output);
+  sigtype = sigtype || (Signature.SIGHASH_ALL |  Signature.SIGHASH_FORKID);
+
+  var self = this;
+  var results = [];
+  _.each(this.publicKeys, function(publicKey) {
+    if (publicKey.toString() === privateKey.publicKey.toString()) {
+      results.push(new TransactionSignature({
+        publicKey: privateKey.publicKey,
+        prevTxId: self.prevTxId,
+        outputIndex: self.outputIndex,
+        inputIndex: index,
+        signature: Sighash.sign(transaction, privateKey, sigtype, index, self.redeemScript, self.output.satoshisBN),
+        sigtype: sigtype
+      }));
+    }
+  });
+  return results;
+};
+
+MultiSigScriptHashInput.prototype.addSignature = function(transaction, signature) {
+  $.checkState(!this.isFullySigned(), 'All needed signatures have already been added');
+  $.checkArgument(!_.isUndefined(this.publicKeyIndex[signature.publicKey.toString()]),
+                  'Signature has no matching public key');
+  $.checkState(this.isValidSignature(transaction, signature));
+  this.signatures[this.publicKeyIndex[signature.publicKey.toString()]] = signature;
+  this._updateScript();
+  return this;
+};
+
+MultiSigScriptHashInput.prototype._updateScript = function() {
+  this.setScript(Script.buildP2SHMultisigIn(
+    this.publicKeys,
+    this.threshold,
+    this._createSignatures(),
+    { cachedMultisig: this.redeemScript }
+  ));
+  return this;
+};
+
+MultiSigScriptHashInput.prototype._createSignatures = function() {
+  return _.map(
+    _.filter(this.signatures, function(signature) { return !_.isUndefined(signature); }),
+    function(signature) {
+      return BufferUtil.concat([
+        signature.signature.toDER(),
+        BufferUtil.integerAsSingleByteBuffer(signature.sigtype)
+      ]);
+    }
+  );
+};
+
+MultiSigScriptHashInput.prototype.clearSignatures = function() {
+  this.signatures = new Array(this.publicKeys.length);
+  this._updateScript();
+};
+
+MultiSigScriptHashInput.prototype.isFullySigned = function() {
+  return this.countSignatures() === this.threshold;
+};
+
+MultiSigScriptHashInput.prototype.countMissingSignatures = function() {
+  return this.threshold - this.countSignatures();
+};
+
+MultiSigScriptHashInput.prototype.countSignatures = function() {
+  return _.reduce(this.signatures, function(sum, signature) {
+    return sum + (!!signature);
+  }, 0);
+};
+
+MultiSigScriptHashInput.prototype.publicKeysWithoutSignature = function() {
+  var self = this;
+  return _.filter(this.publicKeys, function(publicKey) {
+    return !(self.signatures[self.publicKeyIndex[publicKey.toString()]]);
+  });
+};
+
+MultiSigScriptHashInput.prototype.isValidSignature = function(transaction, signature) {
+  // FIXME: Refactor signature so this is not necessary
+  signature.signature.nhashtype = signature.sigtype;
+  return Sighash.verify(
+      transaction,
+      signature.signature,
+      signature.publicKey,
+      signature.inputIndex,
+      this.redeemScript,
+      this.output.satoshisBN
+  );
+};
+
+MultiSigScriptHashInput.OPCODES_SIZE = 7; // serialized size (<=3) + 0 .. N .. M OP_CHECKMULTISIG
+MultiSigScriptHashInput.SIGNATURE_SIZE = 74; // size (1) + DER (<=72) + sighash (1)
+MultiSigScriptHashInput.PUBKEY_SIZE = 34; // size (1) + DER (<=33)
+
+MultiSigScriptHashInput.prototype._estimateSize = function() {
+  return MultiSigScriptHashInput.OPCODES_SIZE +
+    this.threshold * MultiSigScriptHashInput.SIGNATURE_SIZE +
+    this.publicKeys.length * MultiSigScriptHashInput.PUBKEY_SIZE;
+};
+
+module.exports = MultiSigScriptHashInput;
+
+},{"../../crypto/signature":225,"../../publickey":249,"../../script":250,"../../util/buffer":267,"../../util/preconditions":269,"../output":260,"../sighash":261,"../signature":262,"./input":255,"inherits":145,"lodash":148}],258:[function(require,module,exports){
+'use strict';
+
+var inherits = require('inherits');
+
+var $ = require('../../util/preconditions');
+var BufferUtil = require('../../util/buffer');
+
+var Input = require('./input');
+var Output = require('../output');
+var Sighash = require('../sighash');
+var Script = require('../../script');
+var Signature = require('../../crypto/signature');
+var TransactionSignature = require('../signature');
+
+/**
+ * Represents a special kind of input of PayToPublicKey kind.
+ * @constructor
+ */
+function PublicKeyInput() {
+  Input.apply(this, arguments);
+}
+inherits(PublicKeyInput, Input);
+
+/**
+ * @param {Transaction} transaction - the transaction to be signed
+ * @param {PrivateKey} privateKey - the private key with which to sign the transaction
+ * @param {number} index - the index of the input in the transaction input vector
+ * @param {number=} sigtype - the type of signature, defaults to Signature.SIGHASH_ALL
+ * @return {Array} of objects that can be
+ */
+PublicKeyInput.prototype.getSignatures = function(transaction, privateKey, index, sigtype) {
+  $.checkState(this.output instanceof Output);
+  sigtype = sigtype || (Signature.SIGHASH_ALL |  Signature.SIGHASH_FORKID);
+  var publicKey = privateKey.toPublicKey();
+  if (publicKey.toString() === this.output.script.getPublicKey().toString('hex')) {
+    return [new TransactionSignature({
+      publicKey: publicKey,
+      prevTxId: this.prevTxId,
+      outputIndex: this.outputIndex,
+      inputIndex: index,
+      signature: Sighash.sign(transaction, privateKey, sigtype, index, this.output.script, this.output.satoshisBN),
+      sigtype: sigtype
+    })];
+  }
+  return [];
+};
+
+/**
+ * Add the provided signature
+ *
+ * @param {Object} signature
+ * @param {PublicKey} signature.publicKey
+ * @param {Signature} signature.signature
+ * @param {number=} signature.sigtype
+ * @return {PublicKeyInput} this, for chaining
+ */
+PublicKeyInput.prototype.addSignature = function(transaction, signature) {
+  $.checkState(this.isValidSignature(transaction, signature), 'Signature is invalid');
+  this.setScript(Script.buildPublicKeyIn(
+    signature.signature.toDER(),
+    signature.sigtype
+  ));
+  return this;
+};
+
+/**
+ * Clear the input's signature
+ * @return {PublicKeyHashInput} this, for chaining
+ */
+PublicKeyInput.prototype.clearSignatures = function() {
+  this.setScript(Script.empty());
+  return this;
+};
+
+/**
+ * Query whether the input is signed
+ * @return {boolean}
+ */
+PublicKeyInput.prototype.isFullySigned = function() {
+  return this.script.isPublicKeyIn();
+};
+
+PublicKeyInput.SCRIPT_MAX_SIZE = 73; // sigsize (1 + 72)
+
+PublicKeyInput.prototype._estimateSize = function() {
+  return PublicKeyInput.SCRIPT_MAX_SIZE;
+};
+
+module.exports = PublicKeyInput;
+
+},{"../../crypto/signature":225,"../../script":250,"../../util/buffer":267,"../../util/preconditions":269,"../output":260,"../sighash":261,"../signature":262,"./input":255,"inherits":145}],259:[function(require,module,exports){
+'use strict';
+
+var inherits = require('inherits');
+
+var $ = require('../../util/preconditions');
+var BufferUtil = require('../../util/buffer');
+
+var Hash = require('../../crypto/hash');
+var Input = require('./input');
+var Output = require('../output');
+var Sighash = require('../sighash');
+var Script = require('../../script');
+var Signature = require('../../crypto/signature');
+var TransactionSignature = require('../signature');
+
+/**
+ * Represents a special kind of input of PayToPublicKeyHash kind.
+ * @constructor
+ */
+function PublicKeyHashInput() {
+  Input.apply(this, arguments);
+}
+inherits(PublicKeyHashInput, Input);
+
+/* jshint maxparams: 5 */
+/**
+ * @param {Transaction} transaction - the transaction to be signed
+ * @param {PrivateKey} privateKey - the private key with which to sign the transaction
+ * @param {number} index - the index of the input in the transaction input vector
+ * @param {number=} sigtype - the type of signature, defaults to Signature.SIGHASH_ALL
+ * @param {Buffer=} hashData - the precalculated hash of the public key associated with the privateKey provided
+ * @return {Array} of objects that can be
+ */
+PublicKeyHashInput.prototype.getSignatures = function(transaction, privateKey, index, sigtype, hashData) {
+  $.checkState(this.output instanceof Output);
+  hashData = hashData || Hash.sha256ripemd160(privateKey.publicKey.toBuffer());
+  sigtype = sigtype || (Signature.SIGHASH_ALL |  Signature.SIGHASH_FORKID);
+
+  if (BufferUtil.equals(hashData, this.output.script.getPublicKeyHash())) {
+    return [new TransactionSignature({
+      publicKey: privateKey.publicKey,
+      prevTxId: this.prevTxId,
+      outputIndex: this.outputIndex,
+      inputIndex: index,
+      signature: Sighash.sign(transaction, privateKey, sigtype, index, this.output.script, this.output.satoshisBN),
+      sigtype: sigtype
+    })];
+  }
+  return [];
+};
+/* jshint maxparams: 3 */
+
+/**
+ * Add the provided signature
+ *
+ * @param {Object} signature
+ * @param {PublicKey} signature.publicKey
+ * @param {Signature} signature.signature
+ * @param {number=} signature.sigtype
+ * @return {PublicKeyHashInput} this, for chaining
+ */
+PublicKeyHashInput.prototype.addSignature = function(transaction, signature) {
+  $.checkState(this.isValidSignature(transaction, signature), 'Signature is invalid');
+
+  this.setScript(Script.buildPublicKeyHashIn(
+    signature.publicKey,
+    signature.signature.toDER(),
+    signature.sigtype
+  ));
+  return this;
+};
+
+/**
+ * Clear the input's signature
+ * @return {PublicKeyHashInput} this, for chaining
+ */
+PublicKeyHashInput.prototype.clearSignatures = function() {
+  this.setScript(Script.empty());
+  return this;
+};
+
+/**
+ * Query whether the input is signed
+ * @return {boolean}
+ */
+PublicKeyHashInput.prototype.isFullySigned = function() {
+  return this.script.isPublicKeyHashIn();
+};
+
+PublicKeyHashInput.SCRIPT_MAX_SIZE = 73 + 34; // sigsize (1 + 72) + pubkey (1 + 33)
+
+PublicKeyHashInput.prototype._estimateSize = function() {
+  return PublicKeyHashInput.SCRIPT_MAX_SIZE;
+};
+
+module.exports = PublicKeyHashInput;
+
+},{"../../crypto/hash":222,"../../crypto/signature":225,"../../script":250,"../../util/buffer":267,"../../util/preconditions":269,"../output":260,"../sighash":261,"../signature":262,"./input":255,"inherits":145}],260:[function(require,module,exports){
+'use strict';
+
+var _ = require('lodash');
+var BN = require('../crypto/bn');
+var buffer = require('buffer');
+var bufferUtil = require('../util/buffer');
+var JSUtil = require('../util/js');
+var BufferWriter = require('../encoding/bufferwriter');
+var Script = require('../script');
+var $ = require('../util/preconditions');
+var errors = require('../errors');
+
+var MAX_SAFE_INTEGER = 0x1fffffffffffff;
+
+function Output(args) {
+  if (!(this instanceof Output)) {
+    return new Output(args);
+  }
+  if (_.isObject(args)) {
+    this.satoshis = args.satoshis;
+    if (bufferUtil.isBuffer(args.script)) {
+      this._scriptBuffer = args.script;
+    } else {
+      var script;
+      if (_.isString(args.script) && JSUtil.isHexa(args.script)) {
+        script = new buffer.Buffer(args.script, 'hex');
+      } else {
+        script = args.script;
+      }
+      this.setScript(script);
+    }
+  } else {
+    throw new TypeError('Unrecognized argument for Output');
+  }
+}
+
+Object.defineProperty(Output.prototype, 'script', {
+  configurable: false,
+  enumerable: true,
+  get: function() {
+    if (this._script) {
+      return this._script;
+    } else {
+      this.setScriptFromBuffer(this._scriptBuffer);
+      return this._script;
+    }
+
+  }
+});
+
+Object.defineProperty(Output.prototype, 'satoshis', {
+  configurable: false,
+  enumerable: true,
+  get: function() {
+    return this._satoshis;
+  },
+  set: function(num) {
+    if (num instanceof BN) {
+      this._satoshisBN = num;
+      this._satoshis = num.toNumber();
+    } else if (_.isString(num)) {
+      this._satoshis = parseInt(num);
+      this._satoshisBN = BN.fromNumber(this._satoshis);
+    } else {
+      $.checkArgument(
+        JSUtil.isNaturalNumber(num),
+        'Output satoshis is not a natural number'
+      );
+      this._satoshisBN = BN.fromNumber(num);
+      this._satoshis = num;
+    }
+    $.checkState(
+      JSUtil.isNaturalNumber(this._satoshis),
+      'Output satoshis is not a natural number'
+    );
+  }
+});
+
+Output.prototype.invalidSatoshis = function() {
+  if (this._satoshis > MAX_SAFE_INTEGER) {
+    return 'transaction txout satoshis greater than max safe integer';
+  }
+  if (this._satoshis !== this._satoshisBN.toNumber()) {
+    return 'transaction txout satoshis has corrupted value';
+  }
+  if (this._satoshis < 0) {
+    return 'transaction txout negative';
+  }
+  return false;
+};
+
+
+Object.defineProperty(Output.prototype, 'satoshisBN', {
+  configurable: false,
+  enumerable: true,
+  get: function() {
+    return this._satoshisBN;
+  },
+  set: function(num) {
+    this._satoshisBN = num;
+    this._satoshis = num.toNumber();
+    $.checkState(
+      JSUtil.isNaturalNumber(this._satoshis),
+      'Output satoshis is not a natural number'
+    );
+  }
+});
+
+
+Output.prototype.toObject = Output.prototype.toJSON = function toObject() {
+  var obj = {
+    satoshis: this.satoshis
+  };
+  obj.script = this._scriptBuffer.toString('hex');
+  return obj;
+};
+
+Output.fromObject = function(data) {
+  return new Output(data);
+};
+
+Output.prototype.setScriptFromBuffer = function(buffer) {
+  this._scriptBuffer = buffer;
+  try {
+    this._script = Script.fromBuffer(this._scriptBuffer);
+    this._script._isOutput = true;
+  } catch(e) {
+    if (e instanceof errors.Script.InvalidBuffer) {
+      this._script = null;
+    } else {
+      throw e;
+    }
+  }
+};
+
+Output.prototype.setScript = function(script) {
+  if (script instanceof Script) {
+    this._scriptBuffer = script.toBuffer();
+    this._script = script;
+    this._script._isOutput = true;
+  } else if (_.isString(script)) {
+    this._script = Script.fromString(script);
+    this._scriptBuffer = this._script.toBuffer();
+    this._script._isOutput = true;
+  } else if (bufferUtil.isBuffer(script)) {
+    this.setScriptFromBuffer(script);
+  } else {
+    throw new TypeError('Invalid argument type: script');
+  }
+  return this;
+};
+
+Output.prototype.inspect = function() {
+  var scriptStr;
+  if (this.script) {
+    scriptStr = this.script.inspect();
+  } else {
+    scriptStr = this._scriptBuffer.toString('hex');
+  }
+  return '<Output (' + this.satoshis + ' sats) ' + scriptStr + '>';
+};
+
+Output.fromBufferReader = function(br) {
+  var obj = {};
+  obj.satoshis = br.readUInt64LEBN();
+  var size = br.readVarintNum();
+  if (size !== 0) {
+    obj.script = br.read(size);
+  } else {
+    obj.script = new buffer.Buffer([]);
+  }
+  return new Output(obj);
+};
+
+Output.prototype.toBufferWriter = function(writer) {
+  if (!writer) {
+    writer = new BufferWriter();
+  }
+  writer.writeUInt64LEBN(this._satoshisBN);
+  var script = this._scriptBuffer;
+  writer.writeVarintNum(script.length);
+  writer.write(script);
+  return writer;
+};
+
+module.exports = Output;
+
+},{"../crypto/bn":220,"../encoding/bufferwriter":229,"../errors":231,"../script":250,"../util/buffer":267,"../util/js":268,"../util/preconditions":269,"buffer":70,"lodash":148}],261:[function(require,module,exports){
+(function (Buffer){
+'use strict';
+
+var buffer = require('buffer');
+
+var Signature = require('../crypto/signature');
+var Script = require('../script');
+var Output = require('./output');
+var BufferReader = require('../encoding/bufferreader');
+var BufferWriter = require('../encoding/bufferwriter');
+var BN = require('../crypto/bn');
+var Hash = require('../crypto/hash');
+var ECDSA = require('../crypto/ecdsa');
+var $ = require('../util/preconditions');
+var BufferUtil = require('../util/buffer');
+var _ = require('lodash');
+
+var SIGHASH_SINGLE_BUG = '0000000000000000000000000000000000000000000000000000000000000001';
+var BITS_64_ON = 'ffffffffffffffff';
+
+
+var ENABLE_SIGHASH_FORKID = true;
+
+
+var sighashForForkId = function(transaction, sighashType, inputNumber, subscript, satoshisBN) {
+  var input = transaction.inputs[inputNumber];
+  $.checkArgument(
+    satoshisBN instanceof BN, 
+    'For ForkId=0 signatures, satoshis or complete input must be provided'
+  );
+
+  
+
+  function GetForkId() {
+    return 0; // In the UAHF, a fork id of 0 is used (see [4] REQ-6-2 NOTE 4)
+  };
+
+  function GetPrevoutHash(tx) {
+    var writer = new BufferWriter()
+
+    _.each(tx.inputs, function(input) {
+        writer.writeReverse(input.prevTxId);
+        writer.writeUInt32LE(input.outputIndex);
+    });
+
+    var buf = writer.toBuffer();
+    var ret = Hash.sha256sha256(buf);
+    return ret;
+  }
+
+  function GetSequenceHash(tx) {
+    var writer = new BufferWriter()
+
+    _.each(tx.inputs, function(input) {
+      writer.writeUInt32LE(input.sequenceNumber);
+    });
+
+    var buf = writer.toBuffer();
+    var ret = Hash.sha256sha256(buf);
+    return ret;
+  }
+
+  function GetOutputsHash(tx, n) {
+    var writer = new BufferWriter()
+
+    if ( _.isUndefined(n)) {
+      _.each(tx.outputs, function(output) {
+        output.toBufferWriter(writer);
+      });
+    } else {
+      tx.outputs[n].toBufferWriter(writer);
+    }
+   
+    var buf = writer.toBuffer();
+    var ret = Hash.sha256sha256(buf);
+    return ret;
+  }
+
+  var hashPrevouts = BufferUtil.emptyBuffer(32);
+  var hashSequence = BufferUtil.emptyBuffer(32);
+  var hashOutputs = BufferUtil.emptyBuffer(32);
+
+  if (!(sighashType & Signature.SIGHASH_ANYONECANPAY)) {
+    hashPrevouts = GetPrevoutHash(transaction);
+  }
+
+  if (!(sighashType & Signature.SIGHASH_ANYONECANPAY) &&
+    (sighashType & 31) != Signature.SIGHASH_SINGLE &&
+    (sighashType & 31) != Signature.SIGHASH_NONE) {
+    hashSequence = GetSequenceHash(transaction);
+  }
+
+  if ((sighashType & 31) != Signature.SIGHASH_SINGLE && (sighashType & 31) != Signature.SIGHASH_NONE) {
+    hashOutputs = GetOutputsHash(transaction);
+  } else if ((sighashType & 31) == Signature.SIGHASH_SINGLE && inputNumber < transaction.outputs.length) {
+    hashOutputs = GetOutputsHash(transaction, inputNumber);
+  }
+
+
+function getHash (w) {
+
+  var buf = w.toBuffer();
+  var ret = Hash.sha256sha256(buf);
+  ret = new BufferReader(ret).readReverse();
+  return ret;
+};  
+
+
+
+  var writer = new BufferWriter()
+
+  // Version
+  writer.writeInt32LE(transaction.version);
+
+  // Input prevouts/nSequence (none/all, depending on flags)
+  writer.write(hashPrevouts);
+  writer.write(hashSequence);
+
+  //  outpoint (32-byte hash + 4-byte little endian)
+  writer.writeReverse(input.prevTxId);
+  writer.writeUInt32LE(input.outputIndex);
+
+  // scriptCode of the input (serialized as scripts inside CTxOuts)
+  writer.writeUInt8(subscript.toBuffer().length)
+  writer.write(subscript.toBuffer());
+
+  // value of the output spent by this input (8-byte little endian)
+  writer.writeUInt64LEBN(satoshisBN);
+  
+  // nSequence of the input (4-byte little endian) 
+  var sequenceNumber = input.sequenceNumber;
+  writer.writeUInt32LE(sequenceNumber);
+
+  // Outputs (none/one/all, depending on flags)
+  writer.write(hashOutputs);
+
+  // Locktime
+  writer.writeUInt32LE(transaction.nLockTime);
+
+  // sighashType 
+  writer.writeUInt32LE(sighashType >>>0);
+
+  var buf = writer.toBuffer();
+  var ret = Hash.sha256sha256(buf);
+  ret = new BufferReader(ret).readReverse();
+  return ret;
+}
+
+/**
+ * Returns a buffer of length 32 bytes with the hash that needs to be signed
+ * for OP_CHECKSIG.
+ *
+ * @name Signing.sighash
+ * @param {Transaction} transaction the transaction to sign
+ * @param {number} sighashType the type of the hash
+ * @param {number} inputNumber the input index for the signature
+ * @param {Script} subscript the script that will be signed
+ * @param {satoshisBN} sed in ForkId signatures. If not provided, outputs's amount is used.
+ *
+ */
+var sighash = function sighash(transaction, sighashType, inputNumber, subscript, satoshisBN) {
+  var Transaction = require('./transaction');
+  var Input = require('./input');
+
+  // Copy transaction
+  var txcopy = Transaction.shallowCopy(transaction);
+
+  // Copy script
+  subscript = new Script(subscript);
+
+
+  if ( ( sighashType & Signature.SIGHASH_FORKID) && ENABLE_SIGHASH_FORKID) {
+    return sighashForForkId(txcopy, sighashType, inputNumber, subscript, satoshisBN);
+  }
+
+  // For no ForkId sighash, separators need to be removed.
+  subscript.removeCodeseparators();
+
+  var i;
+
+  for (i = 0; i < txcopy.inputs.length; i++) {
+    // Blank signatures for other inputs
+    txcopy.inputs[i] = new Input(txcopy.inputs[i]).setScript(Script.empty());
+  }
+
+  txcopy.inputs[inputNumber] = new Input(txcopy.inputs[inputNumber]).setScript(subscript);
+
+  if ((sighashType & 31) === Signature.SIGHASH_NONE ||
+    (sighashType & 31) === Signature.SIGHASH_SINGLE) {
+
+    // clear all sequenceNumbers
+    for (i = 0; i < txcopy.inputs.length; i++) {
+      if (i !== inputNumber) {
+        txcopy.inputs[i].sequenceNumber = 0;
+      }
+    }
+  }
+
+  if ((sighashType & 31) === Signature.SIGHASH_NONE) {
+    txcopy.outputs = [];
+
+  } else if ((sighashType & 31) === Signature.SIGHASH_SINGLE) {
+    // The SIGHASH_SINGLE bug.
+    // https://bitcointalk.org/index.php?topic=260595.0
+    if (inputNumber >= txcopy.outputs.length) {
+      return new Buffer(SIGHASH_SINGLE_BUG, 'hex');
+    }
+
+    txcopy.outputs.length = inputNumber + 1;
+
+    for (i = 0; i < inputNumber; i++) {
+      txcopy.outputs[i] = new Output({
+        satoshis: BN.fromBuffer(new buffer.Buffer(BITS_64_ON, 'hex')),
+        script: Script.empty()
+      });
+    }
+  }
+
+  if (sighashType & Signature.SIGHASH_ANYONECANPAY) {
+    txcopy.inputs = [txcopy.inputs[inputNumber]];
+  }
+
+  var buf = new BufferWriter()
+    .write(txcopy.toBuffer())
+    .writeInt32LE(sighashType)
+    .toBuffer();
+  var ret = Hash.sha256sha256(buf);
+  ret = new BufferReader(ret).readReverse();
+  return ret;
+};
+
+/**
+ * Create a signature
+ *
+ * @name Signing.sign
+ * @param {Transaction} transaction
+ * @param {PrivateKey} privateKey
+ * @param {number} sighash
+ * @param {number} inputIndex
+ * @param {Script} subscript
+ * @param {satoshisBN} input's amount
+ * @return {Signature}
+ */
+function sign(transaction, privateKey, sighashType, inputIndex, subscript, satoshisBN) {
+  var hashbuf = sighash(transaction, sighashType, inputIndex, subscript, satoshisBN);
+  var sig = ECDSA.sign(hashbuf, privateKey, 'little').set({
+    nhashtype: sighashType
+  });
+  return sig;
+}
+
+/**
+ * Verify a signature
+ *
+ * @name Signing.verify
+ * @param {Transaction} transaction
+ * @param {Signature} signature
+ * @param {PublicKey} publicKey
+ * @param {number} inputIndex
+ * @param {Script} subscript
+ * @param {satoshisBN} input's amount
+ * @return {boolean}
+ */
+function verify(transaction, signature, publicKey, inputIndex, subscript, satoshisBN) {
+  $.checkArgument(!_.isUndefined(transaction));
+  $.checkArgument(!_.isUndefined(signature) && !_.isUndefined(signature.nhashtype));
+  var hashbuf = sighash(transaction, signature.nhashtype, inputIndex, subscript, satoshisBN);
+  return ECDSA.verify(hashbuf, signature, publicKey, 'little');
+}
+
+/**
+ * @namespace Signing
+ */
+module.exports = {
+  sighash: sighash,
+  sign: sign,
+  verify: verify
+};
+
+}).call(this,require("buffer").Buffer)
+},{"../crypto/bn":220,"../crypto/ecdsa":221,"../crypto/hash":222,"../crypto/signature":225,"../encoding/bufferreader":228,"../encoding/bufferwriter":229,"../script":250,"../util/buffer":267,"../util/preconditions":269,"./input":254,"./output":260,"./transaction":263,"buffer":70,"lodash":148}],262:[function(require,module,exports){
+(function (Buffer){
+'use strict';
+
+var _ = require('lodash');
+var $ = require('../util/preconditions');
+var inherits = require('inherits');
+var BufferUtil = require('../util/buffer');
+var JSUtil = require('../util/js');
+
+var PublicKey = require('../publickey');
+var errors = require('../errors');
+var Signature = require('../crypto/signature');
+
+/**
+ * @desc
+ * Wrapper around Signature with fields related to signing a transaction specifically
+ *
+ * @param {Object|string|TransactionSignature} arg
+ * @constructor
+ */
+function TransactionSignature(arg) {
+  if (!(this instanceof TransactionSignature)) {
+    return new TransactionSignature(arg);
+  }
+  if (arg instanceof TransactionSignature) {
+    return arg;
+  }
+  if (_.isObject(arg)) {
+    return this._fromObject(arg);
+  }
+  throw new errors.InvalidArgument('TransactionSignatures must be instantiated from an object');
+}
+inherits(TransactionSignature, Signature);
+
+TransactionSignature.prototype._fromObject = function(arg) {
+  this._checkObjectArgs(arg);
+  this.publicKey = new PublicKey(arg.publicKey);
+  this.prevTxId = BufferUtil.isBuffer(arg.prevTxId) ? arg.prevTxId : new Buffer(arg.prevTxId, 'hex');
+  this.outputIndex = arg.outputIndex;
+  this.inputIndex = arg.inputIndex;
+  this.signature = (arg.signature instanceof Signature) ? arg.signature :
+                     BufferUtil.isBuffer(arg.signature) ? Signature.fromBuffer(arg.signature) :
+                     Signature.fromString(arg.signature);
+  this.sigtype = arg.sigtype;
+  return this;
+};
+
+TransactionSignature.prototype._checkObjectArgs = function(arg) {
+  $.checkArgument(PublicKey(arg.publicKey), 'publicKey');
+  $.checkArgument(!_.isUndefined(arg.inputIndex), 'inputIndex');
+  $.checkArgument(!_.isUndefined(arg.outputIndex), 'outputIndex');
+  $.checkState(_.isNumber(arg.inputIndex), 'inputIndex must be a number');
+  $.checkState(_.isNumber(arg.outputIndex), 'outputIndex must be a number');
+  $.checkArgument(arg.signature, 'signature');
+  $.checkArgument(arg.prevTxId, 'prevTxId');
+  $.checkState(arg.signature instanceof Signature ||
+               BufferUtil.isBuffer(arg.signature) ||
+               JSUtil.isHexa(arg.signature), 'signature must be a buffer or hexa value');
+  $.checkState(BufferUtil.isBuffer(arg.prevTxId) ||
+               JSUtil.isHexa(arg.prevTxId), 'prevTxId must be a buffer or hexa value');
+  $.checkArgument(arg.sigtype, 'sigtype');
+  $.checkState(_.isNumber(arg.sigtype), 'sigtype must be a number');
+};
+
+/**
+ * Serializes a transaction to a plain JS object
+ * @return {Object}
+ */
+TransactionSignature.prototype.toObject = TransactionSignature.prototype.toJSON = function toObject() {
+  return {
+    publicKey: this.publicKey.toString(),
+    prevTxId: this.prevTxId.toString('hex'),
+    outputIndex: this.outputIndex,
+    inputIndex: this.inputIndex,
+    signature: this.signature.toString(),
+    sigtype: this.sigtype
+  };
+};
+
+/**
+ * Builds a TransactionSignature from an object
+ * @param {Object} object
+ * @return {TransactionSignature}
+ */
+TransactionSignature.fromObject = function(object) {
+  $.checkArgument(object);
+  return new TransactionSignature(object);
+};
+
+module.exports = TransactionSignature;
+
+}).call(this,require("buffer").Buffer)
+},{"../crypto/signature":225,"../errors":231,"../publickey":249,"../util/buffer":267,"../util/js":268,"../util/preconditions":269,"buffer":70,"inherits":145,"lodash":148}],263:[function(require,module,exports){
+(function (Buffer){
+'use strict';
+
+var _ = require('lodash');
+var $ = require('../util/preconditions');
+var buffer = require('buffer');
+var compare = Buffer.compare || require('buffer-compare');
+
+var errors = require('../errors');
+var BufferUtil = require('../util/buffer');
+var JSUtil = require('../util/js');
+var BufferReader = require('../encoding/bufferreader');
+var BufferWriter = require('../encoding/bufferwriter');
+var Hash = require('../crypto/hash');
+var Signature = require('../crypto/signature');
+var Sighash = require('./sighash');
+
+var Address = require('../address');
+var UnspentOutput = require('./unspentoutput');
+var Input = require('./input');
+var PublicKeyHashInput = Input.PublicKeyHash;
+var PublicKeyInput = Input.PublicKey;
+var MultiSigScriptHashInput = Input.MultiSigScriptHash;
+var MultiSigInput = Input.MultiSig;
+var Output = require('./output');
+var Script = require('../script');
+var PrivateKey = require('../privatekey');
+var BN = require('../crypto/bn');
+
+/**
+ * Represents a transaction, a set of inputs and outputs to change ownership of tokens
+ *
+ * @param {*} serialized
+ * @constructor
+ */
+function Transaction(serialized) {
+  if (!(this instanceof Transaction)) {
+    return new Transaction(serialized);
+  }
+  this.inputs = [];
+  this.outputs = [];
+  this._inputAmount = undefined;
+  this._outputAmount = undefined;
+
+  if (serialized) {
+    if (serialized instanceof Transaction) {
+      return Transaction.shallowCopy(serialized);
+    } else if (JSUtil.isHexa(serialized)) {
+      this.fromString(serialized);
+    } else if (BufferUtil.isBuffer(serialized)) {
+      this.fromBuffer(serialized);
+    } else if (_.isObject(serialized)) {
+      this.fromObject(serialized);
+    } else {
+      throw new errors.InvalidArgument('Must provide an object or string to deserialize a transaction');
+    }
+  } else {
+    this._newTransaction();
+  }
+}
+
+var CURRENT_VERSION = 1;
+var DEFAULT_NLOCKTIME = 0;
+var MAX_BLOCK_SIZE = 1000000;
+
+// Minimum amount for an output for it not to be considered a dust output
+Transaction.DUST_AMOUNT = 546;
+
+// Margin of error to allow fees in the vecinity of the expected value but doesn't allow a big difference
+Transaction.FEE_SECURITY_MARGIN = 150;
+
+// max amount of satoshis in circulation
+Transaction.MAX_MONEY = 21000000 * 1e8;
+
+// nlocktime limit to be considered block height rather than a timestamp
+Transaction.NLOCKTIME_BLOCKHEIGHT_LIMIT = 5e8;
+
+// Max value for an unsigned 32 bit value
+Transaction.NLOCKTIME_MAX_VALUE = 4294967295;
+
+// Value used for fee estimation (satoshis per kilobyte)
+Transaction.FEE_PER_KB = 100000;
+
+// Safe upper bound for change address script size in bytes
+Transaction.CHANGE_OUTPUT_MAX_SIZE = 20 + 4 + 34 + 4;
+Transaction.MAXIMUM_EXTRA_SIZE = 4 + 9 + 9 + 4;
+
+/* Constructors and Serialization */
+
+/**
+ * Create a 'shallow' copy of the transaction, by serializing and deserializing
+ * it dropping any additional information that inputs and outputs may have hold
+ *
+ * @param {Transaction} transaction
+ * @return {Transaction}
+ */
+Transaction.shallowCopy = function(transaction) {
+  var copy = new Transaction(transaction.toBuffer());
+  return copy;
+};
+
+var hashProperty = {
+  configurable: false,
+  enumerable: true,
+  get: function() {
+    return new BufferReader(this._getHash()).readReverse().toString('hex');
+  }
+};
+Object.defineProperty(Transaction.prototype, 'hash', hashProperty);
+Object.defineProperty(Transaction.prototype, 'id', hashProperty);
+
+var ioProperty = {
+  configurable: false,
+  enumerable: true,
+  get: function() {
+    return this._getInputAmount();
+  }
+};
+Object.defineProperty(Transaction.prototype, 'inputAmount', ioProperty);
+ioProperty.get = function() {
+  return this._getOutputAmount();
+};
+Object.defineProperty(Transaction.prototype, 'outputAmount', ioProperty);
+
+/**
+ * Retrieve the little endian hash of the transaction (used for serialization)
+ * @return {Buffer}
+ */
+Transaction.prototype._getHash = function() {
+  return Hash.sha256sha256(this.toBuffer());
+};
+
+/**
+ * Retrieve a hexa string that can be used with bitcoind's CLI interface
+ * (decoderawtransaction, sendrawtransaction)
+ *
+ * @param {Object|boolean=} unsafe if true, skip all tests. if it's an object,
+ *   it's expected to contain a set of flags to skip certain tests:
+ * * `disableAll`: disable all checks
+ * * `disableSmallFees`: disable checking for fees that are too small
+ * * `disableLargeFees`: disable checking for fees that are too large
+ * * `disableIsFullySigned`: disable checking if all inputs are fully signed
+ * * `disableDustOutputs`: disable checking if there are no outputs that are dust amounts
+ * * `disableMoreOutputThanInput`: disable checking if the transaction spends more bitcoins than the sum of the input amounts
+ * @return {string}
+ */
+Transaction.prototype.serialize = function(unsafe) {
+  if (true === unsafe || unsafe && unsafe.disableAll) {
+    return this.uncheckedSerialize();
+  } else {
+    return this.checkedSerialize(unsafe);
+  }
+};
+
+Transaction.prototype.uncheckedSerialize = Transaction.prototype.toString = function() {
+  return this.toBuffer().toString('hex');
+};
+
+/**
+ * Retrieve a hexa string that can be used with bitcoind's CLI interface
+ * (decoderawtransaction, sendrawtransaction)
+ *
+ * @param {Object} opts allows to skip certain tests. {@see Transaction#serialize}
+ * @return {string}
+ */
+Transaction.prototype.checkedSerialize = function(opts) {
+  var serializationError = this.getSerializationError(opts);
+  if (serializationError) {
+    serializationError.message += ' - For more information please see: ' +
+      'https://bitcore.io/api/lib/transaction#serialization-checks';
+    throw serializationError;
+  }
+  return this.uncheckedSerialize();
+};
+
+Transaction.prototype.invalidSatoshis = function() {
+  var invalid = false;
+  for (var i = 0; i < this.outputs.length; i++) {
+    if (this.outputs[i].invalidSatoshis()) {
+      invalid = true;
+    }
+  }
+  return invalid;
+};
+
+/**
+ * Retrieve a possible error that could appear when trying to serialize and
+ * broadcast this transaction.
+ *
+ * @param {Object} opts allows to skip certain tests. {@see Transaction#serialize}
+ * @return {bitcore.Error}
+ */
+Transaction.prototype.getSerializationError = function(opts) {
+  opts = opts || {};
+
+  if (this.invalidSatoshis()) {
+    return new errors.Transaction.InvalidSatoshis();
+  }
+
+  var unspent = this._getUnspentValue();
+  var unspentError;
+  if (unspent < 0) {
+    if (!opts.disableMoreOutputThanInput) {
+      unspentError = new errors.Transaction.InvalidOutputAmountSum();
+    }
+  } else {
+    unspentError = this._hasFeeError(opts, unspent);
+  }
+
+  return unspentError ||
+    this._hasDustOutputs(opts) ||
+    this._isMissingSignatures(opts);
+};
+
+Transaction.prototype._hasFeeError = function(opts, unspent) {
+
+  if (!_.isUndefined(this._fee) && this._fee !== unspent) {
+    return new errors.Transaction.FeeError.Different(
+      'Unspent value is ' + unspent + ' but specified fee is ' + this._fee
+    );
+  }
+
+  if (!opts.disableLargeFees) {
+    var maximumFee = Math.floor(Transaction.FEE_SECURITY_MARGIN * this._estimateFee());
+    if (unspent > maximumFee) {
+      if (this._missingChange()) {
+        return new errors.Transaction.ChangeAddressMissing(
+          'Fee is too large and no change address was provided'
+        );
+      }
+      return new errors.Transaction.FeeError.TooLarge(
+        'expected less than ' + maximumFee + ' but got ' + unspent
+      );
+    }
+  }
+
+  if (!opts.disableSmallFees) {
+    var minimumFee = Math.ceil(this._estimateFee() / Transaction.FEE_SECURITY_MARGIN);
+    if (unspent < minimumFee) {
+      return new errors.Transaction.FeeError.TooSmall(
+        'expected more than ' + minimumFee + ' but got ' + unspent
+      );
+    }
+  }
+};
+
+Transaction.prototype._missingChange = function() {
+  return !this._changeScript;
+};
+
+Transaction.prototype._hasDustOutputs = function(opts) {
+  if (opts.disableDustOutputs) {
+    return;
+  }
+  var index, output;
+  for (index in this.outputs) {
+    output = this.outputs[index];
+    if (output.satoshis < Transaction.DUST_AMOUNT && !output.script.isDataOut()) {
+      return new errors.Transaction.DustOutputs();
+    }
+  }
+};
+
+Transaction.prototype._isMissingSignatures = function(opts) {
+  if (opts.disableIsFullySigned) {
+    return;
+  }
+  if (!this.isFullySigned()) {
+    return new errors.Transaction.MissingSignatures();
+  }
+};
+
+Transaction.prototype.inspect = function() {
+  return '<Transaction: ' + this.uncheckedSerialize() + '>';
+};
+
+Transaction.prototype.toBuffer = function() {
+  var writer = new BufferWriter();
+  return this.toBufferWriter(writer).toBuffer();
+};
+
+Transaction.prototype.toBufferWriter = function(writer) {
+  writer.writeInt32LE(this.version);
+  writer.writeVarintNum(this.inputs.length);
+  _.each(this.inputs, function(input) {
+    input.toBufferWriter(writer);
+  });
+  writer.writeVarintNum(this.outputs.length);
+  _.each(this.outputs, function(output) {
+    output.toBufferWriter(writer);
+  });
+  writer.writeUInt32LE(this.nLockTime);
+  return writer;
+};
+
+Transaction.prototype.fromBuffer = function(buffer) {
+  var reader = new BufferReader(buffer);
+  return this.fromBufferReader(reader);
+};
+
+Transaction.prototype.fromBufferReader = function(reader) {
+  $.checkArgument(!reader.finished(), 'No transaction data received');
+  var i, sizeTxIns, sizeTxOuts;
+
+  this.version = reader.readInt32LE();
+  sizeTxIns = reader.readVarintNum();
+  for (i = 0; i < sizeTxIns; i++) {
+    var input = Input.fromBufferReader(reader);
+    this.inputs.push(input);
+  }
+  sizeTxOuts = reader.readVarintNum();
+  for (i = 0; i < sizeTxOuts; i++) {
+    this.outputs.push(Output.fromBufferReader(reader));
+  }
+  this.nLockTime = reader.readUInt32LE();
+  return this;
+};
+
+Transaction.prototype.toObject = Transaction.prototype.toJSON = function toObject() {
+  var inputs = [];
+  this.inputs.forEach(function(input) {
+    inputs.push(input.toObject());
+  });
+  var outputs = [];
+  this.outputs.forEach(function(output) {
+    outputs.push(output.toObject());
+  });
+  var obj = {
+    hash: this.hash,
+    version: this.version,
+    inputs: inputs,
+    outputs: outputs,
+    nLockTime: this.nLockTime
+  };
+  if (this._changeScript) {
+    obj.changeScript = this._changeScript.toString();
+  }
+  if (!_.isUndefined(this._changeIndex)) {
+    obj.changeIndex = this._changeIndex;
+  }
+  if (!_.isUndefined(this._fee)) {
+    obj.fee = this._fee;
+  }
+  return obj;
+};
+
+Transaction.prototype.fromObject = function fromObject(arg) {
+  /* jshint maxstatements: 20 */
+  $.checkArgument(_.isObject(arg) || arg instanceof Transaction);
+  var self = this;
+  var transaction;
+  if (arg instanceof Transaction) {
+    transaction = transaction.toObject();
+  } else {
+    transaction = arg;
+  }
+  _.each(transaction.inputs, function(input) {
+    if (!input.output || !input.output.script) {
+      self.uncheckedAddInput(new Input(input));
+      return;
+    }
+    var script = new Script(input.output.script);
+    var txin;
+    if (script.isPublicKeyHashOut()) {
+      txin = new Input.PublicKeyHash(input);
+    } else if (script.isScriptHashOut() && input.publicKeys && input.threshold) {
+      txin = new Input.MultiSigScriptHash(
+        input, input.publicKeys, input.threshold, input.signatures
+      );
+    } else if (script.isPublicKeyOut()) {
+      txin = new Input.PublicKey(input);
+    } else {
+      throw new errors.Transaction.Input.UnsupportedScript(input.output.script);
+    }
+    self.addInput(txin);
+  });
+  _.each(transaction.outputs, function(output) {
+    self.addOutput(new Output(output));
+  });
+  if (transaction.changeIndex) {
+    this._changeIndex = transaction.changeIndex;
+  }
+  if (transaction.changeScript) {
+    this._changeScript = new Script(transaction.changeScript);
+  }
+  if (transaction.fee) {
+    this._fee = transaction.fee;
+  }
+  this.nLockTime = transaction.nLockTime;
+  this.version = transaction.version;
+  this._checkConsistency(arg);
+  return this;
+};
+
+Transaction.prototype._checkConsistency = function(arg) {
+  if (!_.isUndefined(this._changeIndex)) {
+    $.checkState(this._changeScript);
+    $.checkState(this.outputs[this._changeIndex]);
+    $.checkState(this.outputs[this._changeIndex].script.toString() ===
+      this._changeScript.toString());
+  }
+  if (arg && arg.hash) {
+    $.checkState(arg.hash === this.hash, 'Hash in object does not match transaction hash');
+  }
+};
+
+/**
+ * Sets nLockTime so that transaction is not valid until the desired date(a
+ * timestamp in seconds since UNIX epoch is also accepted)
+ *
+ * @param {Date | Number} time
+ * @return {Transaction} this
+ */
+Transaction.prototype.lockUntilDate = function(time) {
+  $.checkArgument(time);
+  if (_.isNumber(time) && time < Transaction.NLOCKTIME_BLOCKHEIGHT_LIMIT) {
+    throw new errors.Transaction.LockTimeTooEarly();
+  }
+  if (_.isDate(time)) {
+    time = time.getTime() / 1000;
+  }
+
+  for (var i = 0; i < this.inputs.length; i++) {
+    if (this.inputs[i].sequenceNumber === Input.DEFAULT_SEQNUMBER){
+      this.inputs[i].sequenceNumber = Input.DEFAULT_LOCKTIME_SEQNUMBER;
+    }
+  }
+
+  this.nLockTime = time;
+  return this;
+};
+
+/**
+ * Sets nLockTime so that transaction is not valid until the desired block
+ * height.
+ *
+ * @param {Number} height
+ * @return {Transaction} this
+ */
+Transaction.prototype.lockUntilBlockHeight = function(height) {
+  $.checkArgument(_.isNumber(height));
+  if (height >= Transaction.NLOCKTIME_BLOCKHEIGHT_LIMIT) {
+    throw new errors.Transaction.BlockHeightTooHigh();
+  }
+  if (height < 0) {
+    throw new errors.Transaction.NLockTimeOutOfRange();
+  }
+
+  for (var i = 0; i < this.inputs.length; i++) {
+    if (this.inputs[i].sequenceNumber === Input.DEFAULT_SEQNUMBER){
+      this.inputs[i].sequenceNumber = Input.DEFAULT_LOCKTIME_SEQNUMBER;
+    }
+  }
+
+
+  this.nLockTime = height;
+  return this;
+};
+
+/**
+ *  Returns a semantic version of the transaction's nLockTime.
+ *  @return {Number|Date}
+ *  If nLockTime is 0, it returns null,
+ *  if it is < 500000000, it returns a block height (number)
+ *  else it returns a Date object.
+ */
+Transaction.prototype.getLockTime = function() {
+  if (!this.nLockTime) {
+    return null;
+  }
+  if (this.nLockTime < Transaction.NLOCKTIME_BLOCKHEIGHT_LIMIT) {
+    return this.nLockTime;
+  }
+  return new Date(1000 * this.nLockTime);
+};
+
+Transaction.prototype.fromString = function(string) {
+  this.fromBuffer(new buffer.Buffer(string, 'hex'));
+};
+
+Transaction.prototype._newTransaction = function() {
+  this.version = CURRENT_VERSION;
+  this.nLockTime = DEFAULT_NLOCKTIME;
+};
+
+/* Transaction creation interface */
+
+/**
+ * @typedef {Object} Transaction~fromObject
+ * @property {string} prevTxId
+ * @property {number} outputIndex
+ * @property {(Buffer|string|Script)} script
+ * @property {number} satoshis
+ */
+
+/**
+ * Add an input to this transaction. This is a high level interface
+ * to add an input, for more control, use @{link Transaction#addInput}.
+ *
+ * Can receive, as output information, the output of bitcoind's `listunspent` command,
+ * and a slightly fancier format recognized by bitcore:
+ *
+ * ```
+ * {
+ *  address: 'mszYqVnqKoQx4jcTdJXxwKAissE3Jbrrc1',
+ *  txId: 'a477af6b2667c29670467e4e0728b685ee07b240235771862318e29ddbe58458',
+ *  outputIndex: 0,
+ *  script: Script.empty(),
+ *  satoshis: 1020000
+ * }
+ * ```
+ * Where `address` can be either a string or a bitcore Address object. The
+ * same is true for `script`, which can be a string or a bitcore Script.
+ *
+ * Beware that this resets all the signatures for inputs (in further versions,
+ * SIGHASH_SINGLE or SIGHASH_NONE signatures will not be reset).
+ *
+ * @example
+ * ```javascript
+ * var transaction = new Transaction();
+ *
+ * // From a pay to public key hash output from bitcoind's listunspent
+ * transaction.from({'txid': '0000...', vout: 0, amount: 0.1, scriptPubKey: 'OP_DUP ...'});
+ *
+ * // From a pay to public key hash output
+ * transaction.from({'txId': '0000...', outputIndex: 0, satoshis: 1000, script: 'OP_DUP ...'});
+ *
+ * // From a multisig P2SH output
+ * transaction.from({'txId': '0000...', inputIndex: 0, satoshis: 1000, script: '... OP_HASH'},
+ *                  ['03000...', '02000...'], 2);
+ * ```
+ *
+ * @param {(Array.<Transaction~fromObject>|Transaction~fromObject)} utxo
+ * @param {Array=} pubkeys
+ * @param {number=} threshold
+ */
+Transaction.prototype.from = function(utxo, pubkeys, threshold) {
+  if (_.isArray(utxo)) {
+    var self = this;
+    _.each(utxo, function(utxo) {
+      self.from(utxo, pubkeys, threshold);
+    });
+    return this;
+  }
+  var exists = _.some(this.inputs, function(input) {
+    // TODO: Maybe prevTxId should be a string? Or defined as read only property?
+    return input.prevTxId.toString('hex') === utxo.txId && input.outputIndex === utxo.outputIndex;
+  });
+  if (exists) {
+    return this;
+  }
+  if (pubkeys && threshold) {
+    this._fromMultisigUtxo(utxo, pubkeys, threshold);
+  } else {
+    this._fromNonP2SH(utxo);
+  }
+  return this;
+};
+
+Transaction.prototype._fromNonP2SH = function(utxo) {
+  var clazz;
+  utxo = new UnspentOutput(utxo);
+  if (utxo.script.isPublicKeyHashOut()) {
+    clazz = PublicKeyHashInput;
+  } else if (utxo.script.isPublicKeyOut()) {
+    clazz = PublicKeyInput;
+  } else {
+    clazz = Input;
+  }
+  this.addInput(new clazz({
+    output: new Output({
+      script: utxo.script,
+      satoshis: utxo.satoshis
+    }),
+    prevTxId: utxo.txId,
+    outputIndex: utxo.outputIndex,
+    script: Script.empty()
+  }));
+};
+
+Transaction.prototype._fromMultisigUtxo = function(utxo, pubkeys, threshold) {
+  $.checkArgument(threshold <= pubkeys.length,
+    'Number of required signatures must be greater than the number of public keys');
+  var clazz;
+  utxo = new UnspentOutput(utxo);
+  if (utxo.script.isMultisigOut()) {
+    clazz = MultiSigInput;
+  } else if (utxo.script.isScriptHashOut()) {
+    clazz = MultiSigScriptHashInput;
+  } else {
+    throw new Error("@TODO");
+  }
+  this.addInput(new clazz({
+    output: new Output({
+      script: utxo.script,
+      satoshis: utxo.satoshis
+    }),
+    prevTxId: utxo.txId,
+    outputIndex: utxo.outputIndex,
+    script: Script.empty()
+  }, pubkeys, threshold));
+};
+
+/**
+ * Add an input to this transaction. The input must be an instance of the `Input` class.
+ * It should have information about the Output that it's spending, but if it's not already
+ * set, two additional parameters, `outputScript` and `satoshis` can be provided.
+ *
+ * @param {Input} input
+ * @param {String|Script} outputScript
+ * @param {number} satoshis
+ * @return Transaction this, for chaining
+ */
+Transaction.prototype.addInput = function(input, outputScript, satoshis) {
+  $.checkArgumentType(input, Input, 'input');
+  if (!input.output && (_.isUndefined(outputScript) || _.isUndefined(satoshis))) {
+    throw new errors.Transaction.NeedMoreInfo('Need information about the UTXO script and satoshis');
+  }
+  if (!input.output && outputScript && !_.isUndefined(satoshis)) {
+    outputScript = outputScript instanceof Script ? outputScript : new Script(outputScript);
+    $.checkArgumentType(satoshis, 'number', 'satoshis');
+    input.output = new Output({
+      script: outputScript,
+      satoshis: satoshis
+    });
+  }
+  return this.uncheckedAddInput(input);
+};
+
+/**
+ * Add an input to this transaction, without checking that the input has information about
+ * the output that it's spending.
+ *
+ * @param {Input} input
+ * @return Transaction this, for chaining
+ */
+Transaction.prototype.uncheckedAddInput = function(input) {
+  $.checkArgumentType(input, Input, 'input');
+  this.inputs.push(input);
+  this._inputAmount = undefined;
+  this._updateChangeOutput();
+  return this;
+};
+
+/**
+ * Returns true if the transaction has enough info on all inputs to be correctly validated
+ *
+ * @return {boolean}
+ */
+Transaction.prototype.hasAllUtxoInfo = function() {
+  return _.every(this.inputs.map(function(input) {
+    return !!input.output;
+  }));
+};
+
+/**
+ * Manually set the fee for this transaction. Beware that this resets all the signatures
+ * for inputs (in further versions, SIGHASH_SINGLE or SIGHASH_NONE signatures will not
+ * be reset).
+ *
+ * @param {number} amount satoshis to be sent
+ * @return {Transaction} this, for chaining
+ */
+Transaction.prototype.fee = function(amount) {
+  $.checkArgument(_.isNumber(amount), 'amount must be a number');
+  this._fee = amount;
+  this._updateChangeOutput();
+  return this;
+};
+
+/**
+ * Manually set the fee per KB for this transaction. Beware that this resets all the signatures
+ * for inputs (in further versions, SIGHASH_SINGLE or SIGHASH_NONE signatures will not
+ * be reset).
+ *
+ * @param {number} amount satoshis per KB to be sent
+ * @return {Transaction} this, for chaining
+ */
+Transaction.prototype.feePerKb = function(amount) {
+  $.checkArgument(_.isNumber(amount), 'amount must be a number');
+  this._feePerKb = amount;
+  this._updateChangeOutput();
+  return this;
+};
+
+/* Output management */
+
+/**
+ * Set the change address for this transaction
+ *
+ * Beware that this resets all the signatures for inputs (in further versions,
+ * SIGHASH_SINGLE or SIGHASH_NONE signatures will not be reset).
+ *
+ * @param {Address} address An address for change to be sent to.
+ * @return {Transaction} this, for chaining
+ */
+Transaction.prototype.change = function(address) {
+  $.checkArgument(address, 'address is required');
+  this._changeScript = Script.fromAddress(address);
+  this._updateChangeOutput();
+  return this;
+};
+
+
+/**
+ * @return {Output} change output, if it exists
+ */
+Transaction.prototype.getChangeOutput = function() {
+  if (!_.isUndefined(this._changeIndex)) {
+    return this.outputs[this._changeIndex];
+  }
+  return null;
+};
+
+/**
+ * @typedef {Object} Transaction~toObject
+ * @property {(string|Address)} address
+ * @property {number} satoshis
+ */
+
+/**
+ * Add an output to the transaction.
+ *
+ * Beware that this resets all the signatures for inputs (in further versions,
+ * SIGHASH_SINGLE or SIGHASH_NONE signatures will not be reset).
+ *
+ * @param {(string|Address|Array.<Transaction~toObject>)} address
+ * @param {number} amount in satoshis
+ * @return {Transaction} this, for chaining
+ */
+Transaction.prototype.to = function(address, amount) {
+  if (_.isArray(address)) {
+    var self = this;
+    _.each(address, function(to) {
+      self.to(to.address, to.satoshis);
+    });
+    return this;
+  }
+
+  $.checkArgument(
+    JSUtil.isNaturalNumber(amount),
+    'Amount is expected to be a positive integer'
+  );
+  this.addOutput(new Output({
+    script: Script(new Address(address)),
+    satoshis: amount
+  }));
+  return this;
+};
+
+/**
+ * Add an OP_RETURN output to the transaction.
+ *
+ * Beware that this resets all the signatures for inputs (in further versions,
+ * SIGHASH_SINGLE or SIGHASH_NONE signatures will not be reset).
+ *
+ * @param {Buffer|string} value the data to be stored in the OP_RETURN output.
+ *    In case of a string, the UTF-8 representation will be stored
+ * @return {Transaction} this, for chaining
+ */
+Transaction.prototype.addData = function(value) {
+  this.addOutput(new Output({
+    script: Script.buildDataOut(value),
+    satoshis: 0
+  }));
+  return this;
+};
+
+
+/**
+ * Add an output to the transaction.
+ *
+ * @param {Output} output the output to add.
+ * @return {Transaction} this, for chaining
+ */
+Transaction.prototype.addOutput = function(output) {
+  $.checkArgumentType(output, Output, 'output');
+  this._addOutput(output);
+  this._updateChangeOutput();
+  return this;
+};
+
+
+/**
+ * Remove all outputs from the transaction.
+ *
+ * @return {Transaction} this, for chaining
+ */
+Transaction.prototype.clearOutputs = function() {
+  this.outputs = [];
+  this._clearSignatures();
+  this._outputAmount = undefined;
+  this._changeIndex = undefined;
+  this._updateChangeOutput();
+  return this;
+};
+
+
+Transaction.prototype._addOutput = function(output) {
+  this.outputs.push(output);
+  this._outputAmount = undefined;
+};
+
+
+/**
+ * Calculates or gets the total output amount in satoshis
+ *
+ * @return {Number} the transaction total output amount
+ */
+Transaction.prototype._getOutputAmount = function() {
+  if (_.isUndefined(this._outputAmount)) {
+    var self = this;
+    this._outputAmount = 0;
+    _.each(this.outputs, function(output) {
+      self._outputAmount += output.satoshis;
+    });
+  }
+  return this._outputAmount;
+};
+
+
+/**
+ * Calculates or gets the total input amount in satoshis
+ *
+ * @return {Number} the transaction total input amount
+ */
+Transaction.prototype._getInputAmount = function() {
+  if (_.isUndefined(this._inputAmount)) {
+    var self = this;
+    this._inputAmount = 0;
+    _.each(this.inputs, function(input) {
+      if (_.isUndefined(input.output)) {
+        throw new errors.Transaction.Input.MissingPreviousOutput();
+      }
+      self._inputAmount += input.output.satoshis;
+    });
+  }
+  return this._inputAmount;
+};
+
+Transaction.prototype._updateChangeOutput = function() {
+  if (!this._changeScript) {
+    return;
+  }
+  this._clearSignatures();
+  if (!_.isUndefined(this._changeIndex)) {
+    this._removeOutput(this._changeIndex);
+  }
+  var available = this._getUnspentValue();
+  var fee = this.getFee();
+  var changeAmount = available - fee;
+  if (changeAmount > 0) {
+    this._changeIndex = this.outputs.length;
+    this._addOutput(new Output({
+      script: this._changeScript,
+      satoshis: changeAmount
+    }));
+  } else {
+    this._changeIndex = undefined;
+  }
+};
+/**
+ * Calculates the fee of the transaction.
+ *
+ * If there's a fixed fee set, return that.
+ *
+ * If there is no change output set, the fee is the
+ * total value of the outputs minus inputs. Note that
+ * a serialized transaction only specifies the value
+ * of its outputs. (The value of inputs are recorded
+ * in the previous transaction outputs being spent.)
+ * This method therefore raises a "MissingPreviousOutput"
+ * error when called on a serialized transaction.
+ *
+ * If there's no fee set and no change address,
+ * estimate the fee based on size.
+ *
+ * @return {Number} fee of this transaction in satoshis
+ */
+Transaction.prototype.getFee = function() {
+  if (this.isCoinbase()) {
+    return 0;
+  }
+  if (!_.isUndefined(this._fee)) {
+    return this._fee;
+  }
+  // if no change output is set, fees should equal all the unspent amount
+  if (!this._changeScript) {
+    return this._getUnspentValue();
+  }
+  return this._estimateFee();
+};
+
+/**
+ * Estimates fee from serialized transaction size in bytes.
+ */
+Transaction.prototype._estimateFee = function() {
+  var estimatedSize = this._estimateSize();
+  var available = this._getUnspentValue();
+  return Transaction._estimateFee(estimatedSize, available, this._feePerKb);
+};
+
+Transaction.prototype._getUnspentValue = function() {
+  return this._getInputAmount() - this._getOutputAmount();
+};
+
+Transaction.prototype._clearSignatures = function() {
+  _.each(this.inputs, function(input) {
+    input.clearSignatures();
+  });
+};
+
+Transaction._estimateFee = function(size, amountAvailable, feePerKb) {
+  var fee = Math.ceil(size / 1000) * (feePerKb || Transaction.FEE_PER_KB);
+  if (amountAvailable > fee) {
+    size += Transaction.CHANGE_OUTPUT_MAX_SIZE;
+  }
+  return Math.ceil(size / 1000) * (feePerKb || Transaction.FEE_PER_KB);
+};
+
+Transaction.prototype._estimateSize = function() {
+  var result = Transaction.MAXIMUM_EXTRA_SIZE;
+  _.each(this.inputs, function(input) {
+    result += input._estimateSize();
+  });
+  _.each(this.outputs, function(output) {
+    result += output.script.toBuffer().length + 9;
+  });
+  return result;
+};
+
+Transaction.prototype._removeOutput = function(index) {
+  var output = this.outputs[index];
+  this.outputs = _.without(this.outputs, output);
+  this._outputAmount = undefined;
+};
+
+Transaction.prototype.removeOutput = function(index) {
+  this._removeOutput(index);
+  this._updateChangeOutput();
+};
+
+/**
+ * Sort a transaction's inputs and outputs according to BIP69
+ *
+ * @see {https://github.com/bitcoin/bips/blob/master/bip-0069.mediawiki}
+ * @return {Transaction} this
+ */
+Transaction.prototype.sort = function() {
+  this.sortInputs(function(inputs) {
+    var copy = Array.prototype.concat.apply([], inputs);
+    copy.sort(function(first, second) {
+      return compare(first.prevTxId, second.prevTxId)
+        || first.outputIndex - second.outputIndex;
+    });
+    return copy;
+  });
+  this.sortOutputs(function(outputs) {
+    var copy = Array.prototype.concat.apply([], outputs);
+    copy.sort(function(first, second) {
+      return first.satoshis - second.satoshis
+        || compare(first.script.toBuffer(), second.script.toBuffer());
+    });
+    return copy;
+  });
+  return this;
+};
+
+/**
+ * Randomize this transaction's outputs ordering. The shuffling algorithm is a
+ * version of the Fisher-Yates shuffle, provided by lodash's _.shuffle().
+ *
+ * @return {Transaction} this
+ */
+Transaction.prototype.shuffleOutputs = function() {
+  return this.sortOutputs(_.shuffle);
+};
+
+/**
+ * Sort this transaction's outputs, according to a given sorting function that
+ * takes an array as argument and returns a new array, with the same elements
+ * but with a different order. The argument function MUST NOT modify the order
+ * of the original array
+ *
+ * @param {Function} sortingFunction
+ * @return {Transaction} this
+ */
+Transaction.prototype.sortOutputs = function(sortingFunction) {
+  var outs = sortingFunction(this.outputs);
+  return this._newOutputOrder(outs);
+};
+
+/**
+ * Sort this transaction's inputs, according to a given sorting function that
+ * takes an array as argument and returns a new array, with the same elements
+ * but with a different order.
+ *
+ * @param {Function} sortingFunction
+ * @return {Transaction} this
+ */
+Transaction.prototype.sortInputs = function(sortingFunction) {
+  this.inputs = sortingFunction(this.inputs);
+  this._clearSignatures();
+  return this;
+};
+
+Transaction.prototype._newOutputOrder = function(newOutputs) {
+  var isInvalidSorting = (this.outputs.length !== newOutputs.length ||
+                          _.difference(this.outputs, newOutputs).length !== 0);
+  if (isInvalidSorting) {
+    throw new errors.Transaction.InvalidSorting();
+  }
+
+  if (!_.isUndefined(this._changeIndex)) {
+    var changeOutput = this.outputs[this._changeIndex];
+    this._changeIndex = _.findIndex(newOutputs, changeOutput);
+  }
+
+  this.outputs = newOutputs;
+  return this;
+};
+
+Transaction.prototype.removeInput = function(txId, outputIndex) {
+  var index;
+  if (!outputIndex && _.isNumber(txId)) {
+    index = txId;
+  } else {
+    index = _.findIndex(this.inputs, function(input) {
+      return input.prevTxId.toString('hex') === txId && input.outputIndex === outputIndex;
+    });
+  }
+  if (index < 0 || index >= this.inputs.length) {
+    throw new errors.Transaction.InvalidIndex(index, this.inputs.length);
+  }
+  var input = this.inputs[index];
+  this.inputs = _.without(this.inputs, input);
+  this._inputAmount = undefined;
+  this._updateChangeOutput();
+};
+
+/* Signature handling */
+
+/**
+ * Sign the transaction using one or more private keys.
+ *
+ * It tries to sign each input, verifying that the signature will be valid
+ * (matches a public key).
+ *
+ * @param {Array|String|PrivateKey} privateKey
+ * @param {number} sigtype
+ * @return {Transaction} this, for chaining
+ */
+Transaction.prototype.sign = function(privateKey, sigtype) {
+  $.checkState(this.hasAllUtxoInfo());
+  var self = this;
+  if (_.isArray(privateKey)) {
+    _.each(privateKey, function(privateKey) {
+      self.sign(privateKey, sigtype);
+    });
+    return this;
+  }
+  _.each(this.getSignatures(privateKey, sigtype), function(signature) {
+    self.applySignature(signature);
+  });
+  return this;
+};
+
+Transaction.prototype.getSignatures = function(privKey, sigtype) {
+  privKey = new PrivateKey(privKey);
+  // By default, signs using ALL|FORKID
+  sigtype = sigtype || (Signature.SIGHASH_ALL |  Signature.SIGHASH_FORKID);
+  var transaction = this;
+  var results = [];
+  var hashData = Hash.sha256ripemd160(privKey.publicKey.toBuffer());
+  _.each(this.inputs, function forEachInput(input, index) {
+    _.each(input.getSignatures(transaction, privKey, index, sigtype, hashData), function(signature) {
+      results.push(signature);
+    });
+  });
+  return results;
+};
+
+/**
+ * Add a signature to the transaction
+ *
+ * @param {Object} signature
+ * @param {number} signature.inputIndex
+ * @param {number} signature.sigtype
+ * @param {PublicKey} signature.publicKey
+ * @param {Signature} signature.signature
+ * @return {Transaction} this, for chaining
+ */
+Transaction.prototype.applySignature = function(signature) {
+  this.inputs[signature.inputIndex].addSignature(this, signature);
+  return this;
+};
+
+Transaction.prototype.isFullySigned = function() {
+  _.each(this.inputs, function(input) {
+    if (input.isFullySigned === Input.prototype.isFullySigned) {
+      throw new errors.Transaction.UnableToVerifySignature(
+        'Unrecognized script kind, or not enough information to execute script.' +
+        'This usually happens when creating a transaction from a serialized transaction'
+      );
+    }
+  });
+  return _.every(_.map(this.inputs, function(input) {
+    return input.isFullySigned();
+  }));
+};
+
+Transaction.prototype.isValidSignature = function(signature) {
+  var self = this;
+  if (this.inputs[signature.inputIndex].isValidSignature === Input.prototype.isValidSignature) {
+    throw new errors.Transaction.UnableToVerifySignature(
+      'Unrecognized script kind, or not enough information to execute script.' +
+      'This usually happens when creating a transaction from a serialized transaction'
+    );
+  }
+  return this.inputs[signature.inputIndex].isValidSignature(self, signature);
+};
+
+/**
+ * @returns {bool} whether the signature is valid for this transaction input
+ */
+Transaction.prototype.verifySignature = function(sig, pubkey, nin, subscript) {
+  return Sighash.verify(this, sig, pubkey, nin, subscript);
+};
+
+/**
+ * Check that a transaction passes basic sanity tests. If not, return a string
+ * describing the error. This function contains the same logic as
+ * CheckTransaction in bitcoin core.
+ */
+Transaction.prototype.verify = function() {
+  // Basic checks that don't depend on any context
+  if (this.inputs.length === 0) {
+    return 'transaction txins empty';
+  }
+
+  if (this.outputs.length === 0) {
+    return 'transaction txouts empty';
+  }
+
+  // Check for negative or overflow output values
+  var valueoutbn = new BN(0);
+  for (var i = 0; i < this.outputs.length; i++) {
+    var txout = this.outputs[i];
+
+    if (txout.invalidSatoshis()) {
+      return 'transaction txout ' + i + ' satoshis is invalid';
+    }
+    if (txout._satoshisBN.gt(new BN(Transaction.MAX_MONEY, 10))) {
+      return 'transaction txout ' + i + ' greater than MAX_MONEY';
+    }
+    valueoutbn = valueoutbn.add(txout._satoshisBN);
+    if (valueoutbn.gt(new BN(Transaction.MAX_MONEY))) {
+      return 'transaction txout ' + i + ' total output greater than MAX_MONEY';
+    }
+  }
+
+  // Size limits
+  if (this.toBuffer().length > MAX_BLOCK_SIZE) {
+    return 'transaction over the maximum block size';
+  }
+
+  // Check for duplicate inputs
+  var txinmap = {};
+  for (i = 0; i < this.inputs.length; i++) {
+    var txin = this.inputs[i];
+
+    var inputid = txin.prevTxId + ':' + txin.outputIndex;
+    if (!_.isUndefined(txinmap[inputid])) {
+      return 'transaction input ' + i + ' duplicate input';
+    }
+    txinmap[inputid] = true;
+  }
+
+  var isCoinbase = this.isCoinbase();
+  if (isCoinbase) {
+    var buf = this.inputs[0]._scriptBuffer;
+    if (buf.length < 2 || buf.length > 100) {
+      return 'coinbase transaction script size invalid';
+    }
+  } else {
+    for (i = 0; i < this.inputs.length; i++) {
+      if (this.inputs[i].isNull()) {
+        return 'transaction input ' + i + ' has null input';
+      }
+    }
+  }
+  return true;
+};
+
+/**
+ * Analogous to bitcoind's IsCoinBase function in transaction.h
+ */
+Transaction.prototype.isCoinbase = function() {
+  return (this.inputs.length === 1 && this.inputs[0].isNull());
+};
+
+/**
+ * Determines if this transaction can be replaced in the mempool with another
+ * transaction that provides a sufficiently higher fee (RBF).
+ */
+Transaction.prototype.isRBF = function() {
+  for (var i = 0; i < this.inputs.length; i++) {
+    var input = this.inputs[i];
+    if (input.sequenceNumber < Input.MAXINT - 1) {
+      return true;
+    }
+  }
+  return false;
+};
+
+/**
+ * Enable this transaction to be replaced in the mempool (RBF) if a transaction
+ * includes a sufficiently higher fee. It will set the sequenceNumber to
+ * DEFAULT_RBF_SEQNUMBER for all inputs if the sequence number does not
+ * already enable RBF.
+ */
+Transaction.prototype.enableRBF = function() {
+  for (var i = 0; i < this.inputs.length; i++) {
+    var input = this.inputs[i];
+    if (input.sequenceNumber >= Input.MAXINT - 1) {
+      input.sequenceNumber = Input.DEFAULT_RBF_SEQNUMBER;
+    }
+  }
+  return this;
+};
+
+module.exports = Transaction;
+
+}).call(this,require("buffer").Buffer)
+},{"../address":214,"../crypto/bn":220,"../crypto/hash":222,"../crypto/signature":225,"../encoding/bufferreader":228,"../encoding/bufferwriter":229,"../errors":231,"../privatekey":248,"../script":250,"../util/buffer":267,"../util/js":268,"../util/preconditions":269,"./input":254,"./output":260,"./sighash":261,"./unspentoutput":264,"buffer":70,"buffer-compare":68,"lodash":148}],264:[function(require,module,exports){
+'use strict';
+
+var _ = require('lodash');
+var $ = require('../util/preconditions');
+var JSUtil = require('../util/js');
+
+var Script = require('../script');
+var Address = require('../address');
+var Unit = require('../unit');
+
+/**
+ * Represents an unspent output information: its script, associated amount and address,
+ * transaction id and output index.
+ *
+ * @constructor
+ * @param {object} data
+ * @param {string} data.txid the previous transaction id
+ * @param {string=} data.txId alias for `txid`
+ * @param {number} data.vout the index in the transaction
+ * @param {number=} data.outputIndex alias for `vout`
+ * @param {string|Script} data.scriptPubKey the script that must be resolved to release the funds
+ * @param {string|Script=} data.script alias for `scriptPubKey`
+ * @param {number} data.amount amount of bitcoins associated
+ * @param {number=} data.satoshis alias for `amount`, but expressed in satoshis (1 BTC = 1e8 satoshis)
+ * @param {string|Address=} data.address the associated address to the script, if provided
+ */
+function UnspentOutput(data) {
+  /* jshint maxcomplexity: 20 */
+  /* jshint maxstatements: 20 */
+  if (!(this instanceof UnspentOutput)) {
+    return new UnspentOutput(data);
+  }
+  $.checkArgument(_.isObject(data), 'Must provide an object from where to extract data');
+  var address = data.address ? new Address(data.address) : undefined;
+  var txId = data.txid ? data.txid : data.txId;
+  if (!txId || !JSUtil.isHexaString(txId) || txId.length > 64) {
+    // TODO: Use the errors library
+    throw new Error('Invalid TXID in object', data);
+  }
+  var outputIndex = _.isUndefined(data.vout) ? data.outputIndex : data.vout;
+  if (!_.isNumber(outputIndex)) {
+    throw new Error('Invalid outputIndex, received ' + outputIndex);
+  }
+  $.checkArgument(!_.isUndefined(data.scriptPubKey) || !_.isUndefined(data.script),
+                  'Must provide the scriptPubKey for that output!');
+  var script = new Script(data.scriptPubKey || data.script);
+  $.checkArgument(!_.isUndefined(data.amount) || !_.isUndefined(data.satoshis),
+                  'Must provide an amount for the output');
+  var amount = !_.isUndefined(data.amount) ? new Unit.fromBTC(data.amount).toSatoshis() : data.satoshis;
+  $.checkArgument(_.isNumber(amount), 'Amount must be a number');
+  JSUtil.defineImmutable(this, {
+    address: address,
+    txId: txId,
+    outputIndex: outputIndex,
+    script: script,
+    satoshis: amount
+  });
+}
+
+/**
+ * Provide an informative output when displaying this object in the console
+ * @returns string
+ */
+UnspentOutput.prototype.inspect = function() {
+  return '<UnspentOutput: ' + this.txId + ':' + this.outputIndex +
+         ', satoshis: ' + this.satoshis + ', address: ' + this.address + '>';
+};
+
+/**
+ * String representation: just "txid:index"
+ * @returns string
+ */
+UnspentOutput.prototype.toString = function() {
+  return this.txId + ':' + this.outputIndex;
+};
+
+/**
+ * Deserialize an UnspentOutput from an object
+ * @param {object|string} data
+ * @return UnspentOutput
+ */
+UnspentOutput.fromObject = function(data) {
+  return new UnspentOutput(data);
+};
+
+/**
+ * Returns a plain object (no prototype or methods) with the associated info for this output
+ * @return {object}
+ */
+UnspentOutput.prototype.toObject = UnspentOutput.prototype.toJSON = function toObject() {
+  return {
+    address: this.address ? this.address.toString() : undefined,
+    txid: this.txId,
+    vout: this.outputIndex,
+    scriptPubKey: this.script.toBuffer().toString('hex'),
+    amount: Unit.fromSatoshis(this.satoshis).toBTC()
+  };
+};
+
+module.exports = UnspentOutput;
+
+},{"../address":214,"../script":250,"../unit":265,"../util/js":268,"../util/preconditions":269,"lodash":148}],265:[function(require,module,exports){
+'use strict';
+
+var _ = require('lodash');
+
+var errors = require('./errors');
+var $ = require('./util/preconditions');
+
+var UNITS = {
+  'BTC'      : [1e8, 8],
+  'mBTC'     : [1e5, 5],
+  'uBTC'     : [1e2, 2],
+  'bits'     : [1e2, 2],
+  'satoshis' : [1, 0]
+};
+
+/**
+ * Utility for handling and converting bitcoins units. The supported units are
+ * BTC, mBTC, bits (also named uBTC) and satoshis. A unit instance can be created with an
+ * amount and a unit code, or alternatively using static methods like {fromBTC}.
+ * It also allows to be created from a fiat amount and the exchange rate, or
+ * alternatively using the {fromFiat} static method.
+ * You can consult for different representation of a unit instance using it's
+ * {to} method, the fixed unit methods like {toSatoshis} or alternatively using
+ * the unit accessors. It also can be converted to a fiat amount by providing the
+ * corresponding BTC/fiat exchange rate.
+ *
+ * @example
+ * ```javascript
+ * var sats = Unit.fromBTC(1.3).toSatoshis();
+ * var mili = Unit.fromBits(1.3).to(Unit.mBTC);
+ * var bits = Unit.fromFiat(1.3, 350).bits;
+ * var btc = new Unit(1.3, Unit.bits).BTC;
+ * ```
+ *
+ * @param {Number} amount - The amount to be represented
+ * @param {String|Number} code - The unit of the amount or the exchange rate
+ * @returns {Unit} A new instance of an Unit
+ * @constructor
+ */
+function Unit(amount, code) {
+  if (!(this instanceof Unit)) {
+    return new Unit(amount, code);
+  }
+
+  // convert fiat to BTC
+  if (_.isNumber(code)) {
+    if (code <= 0) {
+      throw new errors.Unit.InvalidRate(code);
+    }
+    amount = amount / code;
+    code = Unit.BTC;
+  }
+
+  this._value = this._from(amount, code);
+
+  var self = this;
+  var defineAccesor = function(key) {
+    Object.defineProperty(self, key, {
+      get: function() { return self.to(key); },
+      enumerable: true,
+    });
+  };
+
+  Object.keys(UNITS).forEach(defineAccesor);
+}
+
+Object.keys(UNITS).forEach(function(key) {
+  Unit[key] = key;
+});
+
+/**
+ * Returns a Unit instance created from JSON string or object
+ *
+ * @param {String|Object} json - JSON with keys: amount and code
+ * @returns {Unit} A Unit instance
+ */
+Unit.fromObject = function fromObject(data){
+  $.checkArgument(_.isObject(data), 'Argument is expected to be an object');
+  return new Unit(data.amount, data.code);
+};
+
+/**
+ * Returns a Unit instance created from an amount in BTC
+ *
+ * @param {Number} amount - The amount in BTC
+ * @returns {Unit} A Unit instance
+ */
+Unit.fromBTC = function(amount) {
+  return new Unit(amount, Unit.BTC);
+};
+
+/**
+ * Returns a Unit instance created from an amount in mBTC
+ *
+ * @param {Number} amount - The amount in mBTC
+ * @returns {Unit} A Unit instance
+ */
+Unit.fromMillis = Unit.fromMilis = function(amount) {
+  return new Unit(amount, Unit.mBTC);
+};
+
+/**
+ * Returns a Unit instance created from an amount in bits
+ *
+ * @param {Number} amount - The amount in bits
+ * @returns {Unit} A Unit instance
+ */
+Unit.fromMicros = Unit.fromBits = function(amount) {
+  return new Unit(amount, Unit.bits);
+};
+
+/**
+ * Returns a Unit instance created from an amount in satoshis
+ *
+ * @param {Number} amount - The amount in satoshis
+ * @returns {Unit} A Unit instance
+ */
+Unit.fromSatoshis = function(amount) {
+  return new Unit(amount, Unit.satoshis);
+};
+
+/**
+ * Returns a Unit instance created from a fiat amount and exchange rate.
+ *
+ * @param {Number} amount - The amount in fiat
+ * @param {Number} rate - The exchange rate BTC/fiat
+ * @returns {Unit} A Unit instance
+ */
+Unit.fromFiat = function(amount, rate) {
+  return new Unit(amount, rate);
+};
+
+Unit.prototype._from = function(amount, code) {
+  if (!UNITS[code]) {
+    throw new errors.Unit.UnknownCode(code);
+  }
+  return parseInt((amount * UNITS[code][0]).toFixed());
+};
+
+/**
+ * Returns the value represented in the specified unit
+ *
+ * @param {String|Number} code - The unit code or exchange rate
+ * @returns {Number} The converted value
+ */
+Unit.prototype.to = function(code) {
+  if (_.isNumber(code)) {
+    if (code <= 0) {
+      throw new errors.Unit.InvalidRate(code);
+    }
+    return parseFloat((this.BTC * code).toFixed(2));
+  }
+
+  if (!UNITS[code]) {
+    throw new errors.Unit.UnknownCode(code);
+  }
+
+  var value = this._value / UNITS[code][0];
+  return parseFloat(value.toFixed(UNITS[code][1]));
+};
+
+/**
+ * Returns the value represented in BTC
+ *
+ * @returns {Number} The value converted to BTC
+ */
+Unit.prototype.toBTC = function() {
+  return this.to(Unit.BTC);
+};
+
+/**
+ * Returns the value represented in mBTC
+ *
+ * @returns {Number} The value converted to mBTC
+ */
+Unit.prototype.toMillis = Unit.prototype.toMilis = function() {
+  return this.to(Unit.mBTC);
+};
+
+/**
+ * Returns the value represented in bits
+ *
+ * @returns {Number} The value converted to bits
+ */
+Unit.prototype.toMicros = Unit.prototype.toBits = function() {
+  return this.to(Unit.bits);
+};
+
+/**
+ * Returns the value represented in satoshis
+ *
+ * @returns {Number} The value converted to satoshis
+ */
+Unit.prototype.toSatoshis = function() {
+  return this.to(Unit.satoshis);
+};
+
+/**
+ * Returns the value represented in fiat
+ *
+ * @param {string} rate - The exchange rate between BTC/currency
+ * @returns {Number} The value converted to satoshis
+ */
+Unit.prototype.atRate = function(rate) {
+  return this.to(rate);
+};
+
+/**
+ * Returns a the string representation of the value in satoshis
+ *
+ * @returns {string} the value in satoshis
+ */
+Unit.prototype.toString = function() {
+  return this.satoshis + ' satoshis';
+};
+
+/**
+ * Returns a plain object representation of the Unit
+ *
+ * @returns {Object} An object with the keys: amount and code
+ */
+Unit.prototype.toObject = Unit.prototype.toJSON = function toObject() {
+  return {
+    amount: this.BTC,
+    code: Unit.BTC
+  };
+};
+
+/**
+ * Returns a string formatted for the console
+ *
+ * @returns {string} the value in satoshis
+ */
+Unit.prototype.inspect = function() {
+  return '<Unit: ' + this.toString() + '>';
+};
+
+module.exports = Unit;
+
+},{"./errors":231,"./util/preconditions":269,"lodash":148}],266:[function(require,module,exports){
+'use strict';
+
+var _ = require('lodash');
+var URL = require('url');
+
+var Address = require('./address');
+var Unit = require('./unit');
+
+/**
+ * Bitcore URI
+ *
+ * Instantiate an URI from a bitcoin cash URI String or an Object. An URI instance
+ * can be created with a bitcoin cash uri string or an object. All instances of
+ * URI are valid, the static method isValid allows checking before instantiation.
+ *
+ * All standard parameters can be found as members of the class, the address
+ * is represented using an {Address} instance and the amount is represented in
+ * satoshis. Any other non-standard parameters can be found under the extra member.
+ *
+ * @example
+ * ```javascript
+ *
+ * var uri = new URI('bitcoincash:12A1MyfXbW6RhdRAZEqofac5jCQQjwEPBu?amount=1.2');
+ * console.log(uri.address, uri.amount);
+ * ```
+ *
+ * @param {string|Object} data - A bitcoin cash URI string or an Object
+ * @param {Array.<string>=} knownParams - Required non-standard params
+ * @throws {TypeError} Invalid bitcoin address
+ * @throws {TypeError} Invalid amount
+ * @throws {Error} Unknown required argument
+ * @returns {URI} A new valid and frozen instance of URI
+ * @constructor
+ */
+var URI = function(data, knownParams) {
+  if (!(this instanceof URI)) {
+    return new URI(data, knownParams);
+  }
+
+  this.extras = {};
+  this.knownParams = knownParams || [];
+  this.address = this.network = this.amount = this.message = null;
+
+  if (typeof(data) === 'string') {
+    var params = URI.parse(data);
+    if (params.amount) {
+      params.amount = this._parseAmount(params.amount);
+    }
+    this._fromObject(params);
+  } else if (typeof(data) === 'object') {
+    this._fromObject(data);
+  } else {
+    throw new TypeError('Unrecognized data format.');
+  }
+};
+
+/**
+ * Instantiate a URI from a String
+ *
+ * @param {string} str - JSON string or object of the URI
+ * @returns {URI} A new instance of a URI
+ */
+URI.fromString = function fromString(str) {
+  if (typeof(str) !== 'string') {
+    throw new TypeError('Expected a string');
+  }
+  return new URI(str);
+};
+
+/**
+ * Instantiate a URI from an Object
+ *
+ * @param {Object} data - object of the URI
+ * @returns {URI} A new instance of a URI
+ */
+URI.fromObject = function fromObject(json) {
+  return new URI(json);
+};
+
+/**
+ * Check if an bitcoin cash URI string is valid
+ *
+ * @example
+ * ```javascript
+ *
+ * var valid = URI.isValid('bitcoincash:12A1MyfXbW6RhdRAZEqofac5jCQQjwEPBu');
+ * // true
+ * ```
+ *
+ * @param {string|Object} data - A bitcoin cash URI string or an Object
+ * @param {Array.<string>=} knownParams - Required non-standard params
+ * @returns {boolean} Result of uri validation
+ */
+URI.isValid = function(arg, knownParams) {
+  try {
+    new URI(arg, knownParams);
+  } catch (err) {
+    return false;
+  }
+  return true;
+};
+
+/**
+ * Convert a bitcoin cash URI string into a simple object.
+ *
+ * @param {string} uri - A bitcoin cash URI string
+ * @throws {TypeError} Invalid bitcoin cash URI
+ * @returns {Object} An object with the parsed params
+ */
+URI.parse = function(uri) {
+  var info = URL.parse(uri, true);
+
+  if (info.protocol !== 'bitcoincash:') {
+    throw new TypeError('Invalid bitcoin cash URI');
+  }
+
+  // workaround to host insensitiveness
+  var group = /[^:]*:\/?\/?([^?]*)/.exec(uri);
+  info.query.address = group && group[1] || undefined;
+
+  return info.query;
+};
+
+URI.Members = ['address', 'amount', 'message', 'label', 'r'];
+
+/**
+ * Internal function to load the URI instance with an object.
+ *
+ * @param {Object} obj - Object with the information
+ * @throws {TypeError} Invalid bitcoin address
+ * @throws {TypeError} Invalid amount
+ * @throws {Error} Unknown required argument
+ */
+URI.prototype._fromObject = function(obj) {
+  /* jshint maxcomplexity: 10 */
+
+  if (!Address.isValid(obj.address)) {
+    throw new TypeError('Invalid bitcoin address');
+  }
+
+  this.address = new Address(obj.address);
+  this.network = this.address.network;
+  this.amount = obj.amount;
+
+  for (var key in obj) {
+    if (key === 'address' || key === 'amount') {
+      continue;
+    }
+
+    if (/^req-/.exec(key) && this.knownParams.indexOf(key) === -1) {
+      throw Error('Unknown required argument ' + key);
+    }
+
+    var destination = URI.Members.indexOf(key) > -1 ? this : this.extras;
+    destination[key] = obj[key];
+  }
+};
+
+/**
+ * Internal function to transform a BTC string amount into satoshis
+ *
+ * @param {string} amount - Amount BTC string
+ * @throws {TypeError} Invalid amount
+ * @returns {Object} Amount represented in satoshis
+ */
+URI.prototype._parseAmount = function(amount) {
+  amount = Number(amount);
+  if (isNaN(amount)) {
+    throw new TypeError('Invalid amount');
+  }
+  return Unit.fromBTC(amount).toSatoshis();
+};
+
+URI.prototype.toObject = URI.prototype.toJSON = function toObject() {
+  var json = {};
+  for (var i = 0; i < URI.Members.length; i++) {
+    var m = URI.Members[i];
+    if (this.hasOwnProperty(m) && typeof(this[m]) !== 'undefined') {
+      json[m] = this[m].toString();
+    }
+  }
+  _.extend(json, this.extras);
+  return json;
+};
+
+/**
+ * Will return a the string representation of the URI
+ *
+ * @returns {string} Bitcoin cash URI string
+ */
+URI.prototype.toString = function() {
+  var query = {};
+  if (this.amount) {
+    query.amount = Unit.fromSatoshis(this.amount).toBTC();
+  }
+  if (this.message) {
+    query.message = this.message;
+  }
+  if (this.label) {
+    query.label = this.label;
+  }
+  if (this.r) {
+    query.r = this.r;
+  }
+  _.extend(query, this.extras);
+
+  return URL.format({
+    protocol: 'bitcoincash:',
+    host: this.address,
+    query: query
+  });
+};
+
+/**
+ * Will return a string formatted for the console
+ *
+ * @returns {string} Bitcoin cash URI
+ */
+URI.prototype.inspect = function() {
+  return '<URI: ' + this.toString() + '>';
+};
+
+module.exports = URI;
+
+},{"./address":214,"./unit":265,"lodash":148,"url":207}],267:[function(require,module,exports){
+(function (Buffer){
+'use strict';
+
+var buffer = require('buffer');
+var assert = require('assert');
+
+var js = require('./js');
+var $ = require('./preconditions');
+
+function equals(a, b) {
+  if (a.length !== b.length) {
+    return false;
+  }
+  var length = a.length;
+  for (var i = 0; i < length; i++) {
+    if (a[i] !== b[i]) {
+      return false;
+    }
+  }
+  return true;
+}
+
+module.exports = {
+  /**
+   * Fill a buffer with a value.
+   *
+   * @param {Buffer} buffer
+   * @param {number} value
+   * @return {Buffer}
+   */
+  fill: function fill(buffer, value) {
+    $.checkArgumentType(buffer, 'Buffer', 'buffer');
+    $.checkArgumentType(value, 'number', 'value');
+    var length = buffer.length;
+    for (var i = 0; i < length; i++) {
+      buffer[i] = value;
+    }
+    return buffer;
+  },
+
+  /**
+   * Return a copy of a buffer
+   *
+   * @param {Buffer} original
+   * @return {Buffer}
+   */
+  copy: function(original) {
+    var buffer = new Buffer(original.length);
+    original.copy(buffer);
+    return buffer;
+  },
+
+  /**
+   * Returns true if the given argument is an instance of a buffer. Tests for
+   * both node's Buffer and Uint8Array
+   *
+   * @param {*} arg
+   * @return {boolean}
+   */
+  isBuffer: function isBuffer(arg) {
+    return buffer.Buffer.isBuffer(arg) || arg instanceof Uint8Array;
+  },
+
+  /**
+   * Returns a zero-filled byte array
+   *
+   * @param {number} bytes
+   * @return {Buffer}
+   */
+  emptyBuffer: function emptyBuffer(bytes) {
+    $.checkArgumentType(bytes, 'number', 'bytes');
+    var result = new buffer.Buffer(bytes);
+    for (var i = 0; i < bytes; i++) {
+      result.write('\0', i);
+    }
+    return result;
+  },
+
+  /**
+   * Concatenates a buffer
+   *
+   * Shortcut for <tt>buffer.Buffer.concat</tt>
+   */
+  concat: buffer.Buffer.concat,
+
+  equals: equals,
+  equal: equals,
+
+  /**
+   * Transforms a number from 0 to 255 into a Buffer of size 1 with that value
+   *
+   * @param {number} integer
+   * @return {Buffer}
+   */
+  integerAsSingleByteBuffer: function integerAsSingleByteBuffer(integer) {
+    $.checkArgumentType(integer, 'number', 'integer');
+    return new buffer.Buffer([integer & 0xff]);
+  },
+
+  /**
+   * Transform a 4-byte integer into a Buffer of length 4.
+   *
+   * @param {number} integer
+   * @return {Buffer}
+   */
+  integerAsBuffer: function integerAsBuffer(integer) {
+    $.checkArgumentType(integer, 'number', 'integer');
+    var bytes = [];
+    bytes.push((integer >> 24) & 0xff);
+    bytes.push((integer >> 16) & 0xff);
+    bytes.push((integer >> 8) & 0xff);
+    bytes.push(integer & 0xff);
+    return new Buffer(bytes);
+  },
+
+  /**
+   * Transform the first 4 values of a Buffer into a number, in little endian encoding
+   *
+   * @param {Buffer} buffer
+   * @return {number}
+   */
+  integerFromBuffer: function integerFromBuffer(buffer) {
+    $.checkArgumentType(buffer, 'Buffer', 'buffer');
+    return buffer[0] << 24 | buffer[1] << 16 | buffer[2] << 8 | buffer[3];
+  },
+
+  /**
+   * Transforms the first byte of an array into a number ranging from -128 to 127
+   * @param {Buffer} buffer
+   * @return {number}
+   */
+  integerFromSingleByteBuffer: function integerFromBuffer(buffer) {
+    $.checkArgumentType(buffer, 'Buffer', 'buffer');
+    return buffer[0];
+  },
+
+  /**
+   * Transforms a buffer into a string with a number in hexa representation
+   *
+   * Shorthand for <tt>buffer.toString('hex')</tt>
+   *
+   * @param {Buffer} buffer
+   * @return {string}
+   */
+  bufferToHex: function bufferToHex(buffer) {
+    $.checkArgumentType(buffer, 'Buffer', 'buffer');
+    return buffer.toString('hex');
+  },
+
+  /**
+   * Reverse a buffer
+   * @param {Buffer} param
+   * @return {Buffer}
+   */
+  reverse: function reverse(param) {
+    var ret = new buffer.Buffer(param.length);
+    for (var i = 0; i < param.length; i++) {
+      ret[i] = param[param.length - i - 1];
+    }
+    return ret;
+  },
+
+  /**
+   * Transforms an hexa encoded string into a Buffer with binary values
+   *
+   * Shorthand for <tt>Buffer(string, 'hex')</tt>
+   *
+   * @param {string} string
+   * @return {Buffer}
+   */
+  hexToBuffer: function hexToBuffer(string) {
+    assert(js.isHexa(string));
+    return new buffer.Buffer(string, 'hex');
+  }
+};
+
+module.exports.NULL_HASH = module.exports.fill(new Buffer(32), 0);
+module.exports.EMPTY_BUFFER = new Buffer(0);
+
+}).call(this,require("buffer").Buffer)
+},{"./js":268,"./preconditions":269,"assert":16,"buffer":70}],268:[function(require,module,exports){
+'use strict';
+
+var _ = require('lodash');
+
+/**
+ * Determines whether a string contains only hexadecimal values
+ *
+ * @name JSUtil.isHexa
+ * @param {string} value
+ * @return {boolean} true if the string is the hexa representation of a number
+ */
+var isHexa = function isHexa(value) {
+  if (!_.isString(value)) {
+    return false;
+  }
+  return /^[0-9a-fA-F]+$/.test(value);
+};
+
+/**
+ * @namespace JSUtil
+ */
+module.exports = {
+  /**
+   * Test if an argument is a valid JSON object. If it is, returns a truthy
+   * value (the json object decoded), so no double JSON.parse call is necessary
+   *
+   * @param {string} arg
+   * @return {Object|boolean} false if the argument is not a JSON string.
+   */
+  isValidJSON: function isValidJSON(arg) {
+    var parsed;
+    if (!_.isString(arg)) {
+      return false;
+    }
+    try {
+      parsed = JSON.parse(arg);
+    } catch (e) {
+      return false;
+    }
+    if (typeof(parsed) === 'object') {
+      return true;
+    }
+    return false;
+  },
+  isHexa: isHexa,
+  isHexaString: isHexa,
+
+  /**
+   * Clone an array
+   */
+  cloneArray: function(array) {
+    return [].concat(array);
+  },
+
+  /**
+   * Define immutable properties on a target object
+   *
+   * @param {Object} target - An object to be extended
+   * @param {Object} values - An object of properties
+   * @return {Object} The target object
+   */
+  defineImmutable: function defineImmutable(target, values) {
+    Object.keys(values).forEach(function(key){
+      Object.defineProperty(target, key, {
+        configurable: false,
+        enumerable: true,
+        value: values[key]
+      });
+    });
+    return target;
+  },
+  /**
+   * Checks that a value is a natural number, a positive integer or zero.
+   *
+   * @param {*} value
+   * @return {Boolean}
+   */
+  isNaturalNumber: function isNaturalNumber(value) {
+    return typeof value === 'number' &&
+      isFinite(value) &&
+      Math.floor(value) === value &&
+      value >= 0;
+  }
+};
+
+},{"lodash":148}],269:[function(require,module,exports){
+'use strict';
+
+var errors = require('../errors');
+var _ = require('lodash');
+
+module.exports = {
+  checkState: function(condition, message) {
+    if (!condition) {
+      throw new errors.InvalidState(message);
+    }
+  },
+  checkArgument: function(condition, argumentName, message, docsPath) {
+    if (!condition) {
+      throw new errors.InvalidArgument(argumentName, message, docsPath);
+    }
+  },
+  checkArgumentType: function(argument, type, argumentName) {
+    argumentName = argumentName || '(unknown name)';
+    if (_.isString(type)) {
+      if (type === 'Buffer') {
+        var buffer = require('buffer'); // './buffer' fails on cordova & RN
+        if (!buffer.Buffer.isBuffer(argument)) {
+          throw new errors.InvalidArgumentType(argument, type, argumentName);
+        }
+      } else if (typeof argument !== type) {
+        throw new errors.InvalidArgumentType(argument, type, argumentName);
+      }
+    } else {
+      if (!(argument instanceof type)) {
+        throw new errors.InvalidArgumentType(argument, type.name, argumentName);
+      }
+    }
+  }
+};
+
+},{"../errors":231,"buffer":70,"lodash":148}]},{},[215])(215)
+});
\ No newline at end of file
diff --git a/dist/bitcoincash-0.1.9.min.js b/dist/bitcoincash-0.1.9.min.js
new file mode 100644
index 0000000..b3c5fe9
--- /dev/null
+++ b/dist/bitcoincash-0.1.9.min.js
@@ -0,0 +1,14 @@
+/**
+ * @license
+ * https://github.com/bitcoincashjs/bitcoincashjs
+ * Copyright (c) 2017-2018 Emilio Almansi
+ * Copyright (c) 2013-2017 BitPay, Inc.
+ * Copyright (c) 2009-2015 The Bitcoin Core developers
+ * Copyright (c) 2014 Ryan X. Charles
+ * Copyright (c) 2014 reddit, Inc.
+ * Copyright (c) 2011 Stefan Thomas <justmoon@members.fsf.org>
+ * Copyright (c) 2011 Google Inc.
+ * Distributed under the MIT software license, see the accompanying
+ * file LICENSE or http://www.opensource.org/licenses/mit-license.php.
+ */
+!function(f){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=f();else if("function"==typeof define&&define.amd)define([],f);else{("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).bch=f()}}(function(){var define,module,exports;return function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a="function"==typeof require&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n||e)},l,l.exports,e,t,n,r)}return n[o].exports}for(var i="function"==typeof require&&require,o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){var asn1=exports;asn1.bignum=require("bn.js"),asn1.define=require("./asn1/api").define,asn1.base=require("./asn1/base"),asn1.constants=require("./asn1/constants"),asn1.decoders=require("./asn1/decoders"),asn1.encoders=require("./asn1/encoders")},{"./asn1/api":2,"./asn1/base":4,"./asn1/constants":8,"./asn1/decoders":10,"./asn1/encoders":13,"bn.js":15}],2:[function(require,module,exports){var asn1=require("../asn1"),inherits=require("inherits");exports.define=function(name,body){return new Entity(name,body)};function Entity(name,body){this.name=name,this.body=body,this.decoders={},this.encoders={}}Entity.prototype._createNamed=function(base){var named;try{named=require("vm").runInThisContext("(function "+this.name+"(entity) {\n  this._initNamed(entity);\n})")}catch(e){named=function(entity){this._initNamed(entity)}}return inherits(named,base),named.prototype._initNamed=function(entity){base.call(this,entity)},new named(this)},Entity.prototype._getDecoder=function(enc){return enc=enc||"der",this.decoders.hasOwnProperty(enc)||(this.decoders[enc]=this._createNamed(asn1.decoders[enc])),this.decoders[enc]},Entity.prototype.decode=function(data,enc,options){return this._getDecoder(enc).decode(data,options)},Entity.prototype._getEncoder=function(enc){return enc=enc||"der",this.encoders.hasOwnProperty(enc)||(this.encoders[enc]=this._createNamed(asn1.encoders[enc])),this.encoders[enc]},Entity.prototype.encode=function(data,enc,reporter){return this._getEncoder(enc).encode(data,reporter)}},{"../asn1":1,inherits:145,vm:212}],3:[function(require,module,exports){var inherits=require("inherits"),Reporter=require("../base").Reporter,Buffer=require("buffer").Buffer;function DecoderBuffer(base,options){Reporter.call(this,options),Buffer.isBuffer(base)?(this.base=base,this.offset=0,this.length=base.length):this.error("Input not Buffer")}inherits(DecoderBuffer,Reporter),exports.DecoderBuffer=DecoderBuffer,DecoderBuffer.prototype.save=function(){return{offset:this.offset,reporter:Reporter.prototype.save.call(this)}},DecoderBuffer.prototype.restore=function(save){var res=new DecoderBuffer(this.base);return res.offset=save.offset,res.length=this.offset,this.offset=save.offset,Reporter.prototype.restore.call(this,save.reporter),res},DecoderBuffer.prototype.isEmpty=function(){return this.offset===this.length},DecoderBuffer.prototype.readUInt8=function(fail){return this.offset+1<=this.length?this.base.readUInt8(this.offset++,!0):this.error(fail||"DecoderBuffer overrun")},DecoderBuffer.prototype.skip=function(bytes,fail){if(!(this.offset+bytes<=this.length))return this.error(fail||"DecoderBuffer overrun");var res=new DecoderBuffer(this.base);return res._reporterState=this._reporterState,res.offset=this.offset,res.length=this.offset+bytes,this.offset+=bytes,res},DecoderBuffer.prototype.raw=function(save){return this.base.slice(save?save.offset:this.offset,this.length)};function EncoderBuffer(value,reporter){if(Array.isArray(value))this.length=0,this.value=value.map(function(item){return item instanceof EncoderBuffer||(item=new EncoderBuffer(item,reporter)),this.length+=item.length,item},this);else if("number"==typeof value){if(!(0<=value&&value<=255))return reporter.error("non-byte EncoderBuffer value");this.value=value,this.length=1}else if("string"==typeof value)this.value=value,this.length=Buffer.byteLength(value);else{if(!Buffer.isBuffer(value))return reporter.error("Unsupported type: "+typeof value);this.value=value,this.length=value.length}}exports.EncoderBuffer=EncoderBuffer,EncoderBuffer.prototype.join=function(out,offset){return out||(out=new Buffer(this.length)),offset||(offset=0),0===this.length?out:(Array.isArray(this.value)?this.value.forEach(function(item){item.join(out,offset),offset+=item.length}):("number"==typeof this.value?out[offset]=this.value:"string"==typeof this.value?out.write(this.value,offset):Buffer.isBuffer(this.value)&&this.value.copy(out,offset),offset+=this.length),out)}},{"../base":4,buffer:70,inherits:145}],4:[function(require,module,exports){var base=exports;base.Reporter=require("./reporter").Reporter,base.DecoderBuffer=require("./buffer").DecoderBuffer,base.EncoderBuffer=require("./buffer").EncoderBuffer,base.Node=require("./node")},{"./buffer":3,"./node":5,"./reporter":6}],5:[function(require,module,exports){var Reporter=require("../base").Reporter,EncoderBuffer=require("../base").EncoderBuffer,DecoderBuffer=require("../base").DecoderBuffer,assert=require("minimalistic-assert"),tags=["seq","seqof","set","setof","objid","bool","gentime","utctime","null_","enum","int","objDesc","bitstr","bmpstr","charstr","genstr","graphstr","ia5str","iso646str","numstr","octstr","printstr","t61str","unistr","utf8str","videostr"],methods=["key","obj","use","optional","explicit","implicit","def","choice","any","contains"].concat(tags);function Node(enc,parent){var state={};this._baseState=state,state.enc=enc,state.parent=parent||null,state.children=null,state.tag=null,state.args=null,state.reverseArgs=null,state.choice=null,state.optional=!1,state.any=!1,state.obj=!1,state.use=null,state.useDecoder=null,state.key=null,state.default=null,state.explicit=null,state.implicit=null,state.contains=null,state.parent||(state.children=[],this._wrap())}module.exports=Node;var stateProps=["enc","parent","children","tag","args","reverseArgs","choice","optional","any","obj","use","alteredUse","key","default","explicit","implicit","contains"];Node.prototype.clone=function(){var state=this._baseState,cstate={};stateProps.forEach(function(prop){cstate[prop]=state[prop]});var res=new this.constructor(cstate.parent);return res._baseState=cstate,res},Node.prototype._wrap=function(){var state=this._baseState;methods.forEach(function(method){this[method]=function(){var clone=new this.constructor(this);return state.children.push(clone),clone[method].apply(clone,arguments)}},this)},Node.prototype._init=function(body){var state=this._baseState;assert(null===state.parent),body.call(this),state.children=state.children.filter(function(child){return child._baseState.parent===this},this),assert.equal(state.children.length,1,"Root node can have only one child")},Node.prototype._useArgs=function(args){var state=this._baseState,children=args.filter(function(arg){return arg instanceof this.constructor},this);args=args.filter(function(arg){return!(arg instanceof this.constructor)},this),0!==children.length&&(assert(null===state.children),state.children=children,children.forEach(function(child){child._baseState.parent=this},this)),0!==args.length&&(assert(null===state.args),state.args=args,state.reverseArgs=args.map(function(arg){if("object"!=typeof arg||arg.constructor!==Object)return arg;var res={};return Object.keys(arg).forEach(function(key){key==(0|key)&&(key|=0);var value=arg[key];res[value]=key}),res}))},["_peekTag","_decodeTag","_use","_decodeStr","_decodeObjid","_decodeTime","_decodeNull","_decodeInt","_decodeBool","_decodeList","_encodeComposite","_encodeStr","_encodeObjid","_encodeTime","_encodeNull","_encodeInt","_encodeBool"].forEach(function(method){Node.prototype[method]=function(){var state=this._baseState;throw new Error(method+" not implemented for encoding: "+state.enc)}}),tags.forEach(function(tag){Node.prototype[tag]=function(){var state=this._baseState,args=Array.prototype.slice.call(arguments);return assert(null===state.tag),state.tag=tag,this._useArgs(args),this}}),Node.prototype.use=function(item){assert(item);var state=this._baseState;return assert(null===state.use),state.use=item,this},Node.prototype.optional=function(){return this._baseState.optional=!0,this},Node.prototype.def=function(val){var state=this._baseState;return assert(null===state.default),state.default=val,state.optional=!0,this},Node.prototype.explicit=function(num){var state=this._baseState;return assert(null===state.explicit&&null===state.implicit),state.explicit=num,this},Node.prototype.implicit=function(num){var state=this._baseState;return assert(null===state.explicit&&null===state.implicit),state.implicit=num,this},Node.prototype.obj=function(){var state=this._baseState,args=Array.prototype.slice.call(arguments);return state.obj=!0,0!==args.length&&this._useArgs(args),this},Node.prototype.key=function(newKey){var state=this._baseState;return assert(null===state.key),state.key=newKey,this},Node.prototype.any=function(){return this._baseState.any=!0,this},Node.prototype.choice=function(obj){var state=this._baseState;return assert(null===state.choice),state.choice=obj,this._useArgs(Object.keys(obj).map(function(key){return obj[key]})),this},Node.prototype.contains=function(item){var state=this._baseState;return assert(null===state.use),state.contains=item,this},Node.prototype._decode=function(input,options){var state=this._baseState;if(null===state.parent)return input.wrapResult(state.children[0]._decode(input,options));var result=state.default,present=!0,prevKey=null;if(null!==state.key&&(prevKey=input.enterKey(state.key)),state.optional){var tag=null;if(null!==state.explicit?tag=state.explicit:null!==state.implicit?tag=state.implicit:null!==state.tag&&(tag=state.tag),null!==tag||state.any){if(present=this._peekTag(input,tag,state.any),input.isError(present))return present}else{var save=input.save();try{null===state.choice?this._decodeGeneric(state.tag,input,options):this._decodeChoice(input,options),present=!0}catch(e){present=!1}input.restore(save)}}var prevObj;if(state.obj&&present&&(prevObj=input.enterObject()),present){if(null!==state.explicit){var explicit=this._decodeTag(input,state.explicit);if(input.isError(explicit))return explicit;input=explicit}var start=input.offset;if(null===state.use&&null===state.choice){if(state.any)save=input.save();var body=this._decodeTag(input,null!==state.implicit?state.implicit:state.tag,state.any);if(input.isError(body))return body;state.any?result=input.raw(save):input=body}if(options&&options.track&&null!==state.tag&&options.track(input.path(),start,input.length,"tagged"),options&&options.track&&null!==state.tag&&options.track(input.path(),input.offset,input.length,"content"),result=state.any?result:null===state.choice?this._decodeGeneric(state.tag,input,options):this._decodeChoice(input,options),input.isError(result))return result;if(state.any||null!==state.choice||null===state.children||state.children.forEach(function(child){child._decode(input,options)}),state.contains&&("octstr"===state.tag||"bitstr"===state.tag)){var data=new DecoderBuffer(result);result=this._getUse(state.contains,input._reporterState.obj)._decode(data,options)}}return state.obj&&present&&(result=input.leaveObject(prevObj)),null===state.key||null===result&&!0!==present?null!==prevKey&&input.exitKey(prevKey):input.leaveKey(prevKey,state.key,result),result},Node.prototype._decodeGeneric=function(tag,input,options){var state=this._baseState;return"seq"===tag||"set"===tag?null:"seqof"===tag||"setof"===tag?this._decodeList(input,tag,state.args[0],options):/str$/.test(tag)?this._decodeStr(input,tag,options):"objid"===tag&&state.args?this._decodeObjid(input,state.args[0],state.args[1],options):"objid"===tag?this._decodeObjid(input,null,null,options):"gentime"===tag||"utctime"===tag?this._decodeTime(input,tag,options):"null_"===tag?this._decodeNull(input,options):"bool"===tag?this._decodeBool(input,options):"objDesc"===tag?this._decodeStr(input,tag,options):"int"===tag||"enum"===tag?this._decodeInt(input,state.args&&state.args[0],options):null!==state.use?this._getUse(state.use,input._reporterState.obj)._decode(input,options):input.error("unknown tag: "+tag)},Node.prototype._getUse=function(entity,obj){var state=this._baseState;return state.useDecoder=this._use(entity,obj),assert(null===state.useDecoder._baseState.parent),state.useDecoder=state.useDecoder._baseState.children[0],state.implicit!==state.useDecoder._baseState.implicit&&(state.useDecoder=state.useDecoder.clone(),state.useDecoder._baseState.implicit=state.implicit),state.useDecoder},Node.prototype._decodeChoice=function(input,options){var state=this._baseState,result=null,match=!1;return Object.keys(state.choice).some(function(key){var save=input.save(),node=state.choice[key];try{var value=node._decode(input,options);if(input.isError(value))return!1;result={type:key,value:value},match=!0}catch(e){return input.restore(save),!1}return!0},this),match?result:input.error("Choice not matched")},Node.prototype._createEncoderBuffer=function(data){return new EncoderBuffer(data,this.reporter)},Node.prototype._encode=function(data,reporter,parent){var state=this._baseState;if(null===state.default||state.default!==data){var result=this._encodeValue(data,reporter,parent);if(void 0!==result&&!this._skipDefault(result,reporter,parent))return result}},Node.prototype._encodeValue=function(data,reporter,parent){var state=this._baseState;if(null===state.parent)return state.children[0]._encode(data,reporter||new Reporter);var result=null;if(this.reporter=reporter,state.optional&&void 0===data){if(null===state.default)return;data=state.default}var content=null,primitive=!1;if(state.any)result=this._createEncoderBuffer(data);else if(state.choice)result=this._encodeChoice(data,reporter);else if(state.contains)content=this._getUse(state.contains,parent)._encode(data,reporter),primitive=!0;else if(state.children)content=state.children.map(function(child){if("null_"===child._baseState.tag)return child._encode(null,reporter,data);if(null===child._baseState.key)return reporter.error("Child should have a key");var prevKey=reporter.enterKey(child._baseState.key);if("object"!=typeof data)return reporter.error("Child expected, but input is not object");var res=child._encode(data[child._baseState.key],reporter,data);return reporter.leaveKey(prevKey),res},this).filter(function(child){return child}),content=this._createEncoderBuffer(content);else if("seqof"===state.tag||"setof"===state.tag){if(!state.args||1!==state.args.length)return reporter.error("Too many args for : "+state.tag);if(!Array.isArray(data))return reporter.error("seqof/setof, but data is not Array");var child=this.clone();child._baseState.implicit=null,content=this._createEncoderBuffer(data.map(function(item){var state=this._baseState;return this._getUse(state.args[0],data)._encode(item,reporter)},child))}else null!==state.use?result=this._getUse(state.use,parent)._encode(data,reporter):(content=this._encodePrimitive(state.tag,data),primitive=!0);if(!state.any&&null===state.choice){var tag=null!==state.implicit?state.implicit:state.tag,cls=null===state.implicit?"universal":"context";null===tag?null===state.use&&reporter.error("Tag could be omitted only for .use()"):null===state.use&&(result=this._encodeComposite(tag,primitive,cls,content))}return null!==state.explicit&&(result=this._encodeComposite(state.explicit,!1,"context",result)),result},Node.prototype._encodeChoice=function(data,reporter){var state=this._baseState,node=state.choice[data.type];return node||assert(!1,data.type+" not found in "+JSON.stringify(Object.keys(state.choice))),node._encode(data.value,reporter)},Node.prototype._encodePrimitive=function(tag,data){var state=this._baseState;if(/str$/.test(tag))return this._encodeStr(data,tag);if("objid"===tag&&state.args)return this._encodeObjid(data,state.reverseArgs[0],state.args[1]);if("objid"===tag)return this._encodeObjid(data,null,null);if("gentime"===tag||"utctime"===tag)return this._encodeTime(data,tag);if("null_"===tag)return this._encodeNull();if("int"===tag||"enum"===tag)return this._encodeInt(data,state.args&&state.reverseArgs[0]);if("bool"===tag)return this._encodeBool(data);if("objDesc"===tag)return this._encodeStr(data,tag);throw new Error("Unsupported tag: "+tag)},Node.prototype._isNumstr=function(str){return/^[0-9 ]*$/.test(str)},Node.prototype._isPrintstr=function(str){return/^[A-Za-z0-9 '\(\)\+,\-\.\/:=\?]*$/.test(str)}},{"../base":4,"minimalistic-assert":153}],6:[function(require,module,exports){var inherits=require("inherits");function Reporter(options){this._reporterState={obj:null,path:[],options:options||{},errors:[]}}exports.Reporter=Reporter,Reporter.prototype.isError=function(obj){return obj instanceof ReporterError},Reporter.prototype.save=function(){var state=this._reporterState;return{obj:state.obj,pathLen:state.path.length}},Reporter.prototype.restore=function(data){var state=this._reporterState;state.obj=data.obj,state.path=state.path.slice(0,data.pathLen)},Reporter.prototype.enterKey=function(key){return this._reporterState.path.push(key)},Reporter.prototype.exitKey=function(index){var state=this._reporterState;state.path=state.path.slice(0,index-1)},Reporter.prototype.leaveKey=function(index,key,value){var state=this._reporterState;this.exitKey(index),null!==state.obj&&(state.obj[key]=value)},Reporter.prototype.path=function(){return this._reporterState.path.join("/")},Reporter.prototype.enterObject=function(){var state=this._reporterState,prev=state.obj;return state.obj={},prev},Reporter.prototype.leaveObject=function(prev){var state=this._reporterState,now=state.obj;return state.obj=prev,now},Reporter.prototype.error=function(msg){var err,state=this._reporterState,inherited=msg instanceof ReporterError;if(err=inherited?msg:new ReporterError(state.path.map(function(elem){return"["+JSON.stringify(elem)+"]"}).join(""),msg.message||msg,msg.stack),!state.options.partial)throw err;return inherited||state.errors.push(err),err},Reporter.prototype.wrapResult=function(result){var state=this._reporterState;return state.options.partial?{result:this.isError(result)?null:result,errors:state.errors}:result};function ReporterError(path,msg){this.path=path,this.rethrow(msg)}inherits(ReporterError,Error),ReporterError.prototype.rethrow=function(msg){if(this.message=msg+" at: "+(this.path||"(shallow)"),Error.captureStackTrace&&Error.captureStackTrace(this,ReporterError),!this.stack)try{throw new Error(this.message)}catch(e){this.stack=e.stack}return this}},{inherits:145}],7:[function(require,module,exports){var constants=require("../constants");exports.tagClass={0:"universal",1:"application",2:"context",3:"private"},exports.tagClassByName=constants._reverse(exports.tagClass),exports.tag={0:"end",1:"bool",2:"int",3:"bitstr",4:"octstr",5:"null_",6:"objid",7:"objDesc",8:"external",9:"real",10:"enum",11:"embed",12:"utf8str",13:"relativeOid",16:"seq",17:"set",18:"numstr",19:"printstr",20:"t61str",21:"videostr",22:"ia5str",23:"utctime",24:"gentime",25:"graphstr",26:"iso646str",27:"genstr",28:"unistr",29:"charstr",30:"bmpstr"},exports.tagByName=constants._reverse(exports.tag)},{"../constants":8}],8:[function(require,module,exports){var constants=exports;constants._reverse=function(map){var res={};return Object.keys(map).forEach(function(key){(0|key)==key&&(key|=0);var value=map[key];res[value]=key}),res},constants.der=require("./der")},{"./der":7}],9:[function(require,module,exports){var inherits=require("inherits"),asn1=require("../../asn1"),base=asn1.base,bignum=asn1.bignum,der=asn1.constants.der;function DERDecoder(entity){this.enc="der",this.name=entity.name,this.entity=entity,this.tree=new DERNode,this.tree._init(entity.body)}module.exports=DERDecoder,DERDecoder.prototype.decode=function(data,options){return data instanceof base.DecoderBuffer||(data=new base.DecoderBuffer(data,options)),this.tree._decode(data,options)};function DERNode(parent){base.Node.call(this,"der",parent)}inherits(DERNode,base.Node),DERNode.prototype._peekTag=function(buffer,tag,any){if(buffer.isEmpty())return!1;var state=buffer.save(),decodedTag=derDecodeTag(buffer,'Failed to peek tag: "'+tag+'"');return buffer.isError(decodedTag)?decodedTag:(buffer.restore(state),decodedTag.tag===tag||decodedTag.tagStr===tag||decodedTag.tagStr+"of"===tag||any)},DERNode.prototype._decodeTag=function(buffer,tag,any){var decodedTag=derDecodeTag(buffer,'Failed to decode tag of "'+tag+'"');if(buffer.isError(decodedTag))return decodedTag;var len=derDecodeLen(buffer,decodedTag.primitive,'Failed to get length of "'+tag+'"');if(buffer.isError(len))return len;if(!any&&decodedTag.tag!==tag&&decodedTag.tagStr!==tag&&decodedTag.tagStr+"of"!==tag)return buffer.error('Failed to match tag: "'+tag+'"');if(decodedTag.primitive||null!==len)return buffer.skip(len,'Failed to match body of: "'+tag+'"');var state=buffer.save(),res=this._skipUntilEnd(buffer,'Failed to skip indefinite length body: "'+this.tag+'"');return buffer.isError(res)?res:(len=buffer.offset-state.offset,buffer.restore(state),buffer.skip(len,'Failed to match body of: "'+tag+'"'))},DERNode.prototype._skipUntilEnd=function(buffer,fail){for(;;){var tag=derDecodeTag(buffer,fail);if(buffer.isError(tag))return tag;var len=derDecodeLen(buffer,tag.primitive,fail);if(buffer.isError(len))return len;var res;if(res=tag.primitive||null!==len?buffer.skip(len):this._skipUntilEnd(buffer,fail),buffer.isError(res))return res;if("end"===tag.tagStr)break}},DERNode.prototype._decodeList=function(buffer,tag,decoder,options){for(var result=[];!buffer.isEmpty();){var possibleEnd=this._peekTag(buffer,"end");if(buffer.isError(possibleEnd))return possibleEnd;var res=decoder.decode(buffer,"der",options);if(buffer.isError(res)&&possibleEnd)break;result.push(res)}return result},DERNode.prototype._decodeStr=function(buffer,tag){if("bitstr"===tag){var unused=buffer.readUInt8();return buffer.isError(unused)?unused:{unused:unused,data:buffer.raw()}}if("bmpstr"===tag){var raw=buffer.raw();if(raw.length%2==1)return buffer.error("Decoding of string type: bmpstr length mismatch");for(var str="",i=0;i<raw.length/2;i++)str+=String.fromCharCode(raw.readUInt16BE(2*i));return str}if("numstr"===tag){var numstr=buffer.raw().toString("ascii");return this._isNumstr(numstr)?numstr:buffer.error("Decoding of string type: numstr unsupported characters")}if("octstr"===tag)return buffer.raw();if("objDesc"===tag)return buffer.raw();if("printstr"===tag){var printstr=buffer.raw().toString("ascii");return this._isPrintstr(printstr)?printstr:buffer.error("Decoding of string type: printstr unsupported characters")}return/str$/.test(tag)?buffer.raw().toString():buffer.error("Decoding of string type: "+tag+" unsupported")},DERNode.prototype._decodeObjid=function(buffer,values,relative){for(var result,identifiers=[],ident=0;!buffer.isEmpty();){var subident=buffer.readUInt8();ident<<=7,ident|=127&subident,0==(128&subident)&&(identifiers.push(ident),ident=0)}128&subident&&identifiers.push(ident);var first=identifiers[0]/40|0,second=identifiers[0]%40;if(result=relative?identifiers:[first,second].concat(identifiers.slice(1)),values){var tmp=values[result.join(" ")];void 0===tmp&&(tmp=values[result.join(".")]),void 0!==tmp&&(result=tmp)}return result},DERNode.prototype._decodeTime=function(buffer,tag){var str=buffer.raw().toString();if("gentime"===tag)var year=0|str.slice(0,4),mon=0|str.slice(4,6),day=0|str.slice(6,8),hour=0|str.slice(8,10),min=0|str.slice(10,12),sec=0|str.slice(12,14);else{if("utctime"!==tag)return buffer.error("Decoding "+tag+" time is not supported yet");year=0|str.slice(0,2),mon=0|str.slice(2,4),day=0|str.slice(4,6),hour=0|str.slice(6,8),min=0|str.slice(8,10),sec=0|str.slice(10,12);year=year<70?2e3+year:1900+year}return Date.UTC(year,mon-1,day,hour,min,sec,0)},DERNode.prototype._decodeNull=function(buffer){return null},DERNode.prototype._decodeBool=function(buffer){var res=buffer.readUInt8();return buffer.isError(res)?res:0!==res},DERNode.prototype._decodeInt=function(buffer,values){var raw=buffer.raw(),res=new bignum(raw);return values&&(res=values[res.toString(10)]||res),res},DERNode.prototype._use=function(entity,obj){return"function"==typeof entity&&(entity=entity(obj)),entity._getDecoder("der").tree};function derDecodeTag(buf,fail){var tag=buf.readUInt8(fail);if(buf.isError(tag))return tag;var cls=der.tagClass[tag>>6],primitive=0==(32&tag);if(31==(31&tag)){var oct=tag;for(tag=0;128==(128&oct);){if(oct=buf.readUInt8(fail),buf.isError(oct))return oct;tag<<=7,tag|=127&oct}}else tag&=31;return{cls:cls,primitive:primitive,tag:tag,tagStr:der.tag[tag]}}function derDecodeLen(buf,primitive,fail){var len=buf.readUInt8(fail);if(buf.isError(len))return len;if(!primitive&&128===len)return null;if(0==(128&len))return len;var num=127&len;if(num>4)return buf.error("length octect is too long");len=0;for(var i=0;i<num;i++){len<<=8;var j=buf.readUInt8(fail);if(buf.isError(j))return j;len|=j}return len}},{"../../asn1":1,inherits:145}],10:[function(require,module,exports){var decoders=exports;decoders.der=require("./der"),decoders.pem=require("./pem")},{"./der":9,"./pem":11}],11:[function(require,module,exports){var inherits=require("inherits"),Buffer=require("buffer").Buffer,DERDecoder=require("./der");function PEMDecoder(entity){DERDecoder.call(this,entity),this.enc="pem"}inherits(PEMDecoder,DERDecoder),module.exports=PEMDecoder,PEMDecoder.prototype.decode=function(data,options){for(var lines=data.toString().split(/[\r\n]+/g),label=options.label.toUpperCase(),re=/^-----(BEGIN|END) ([^-]+)-----$/,start=-1,end=-1,i=0;i<lines.length;i++){var match=lines[i].match(re);if(null!==match&&match[2]===label){if(-1!==start){if("END"!==match[1])break;end=i;break}if("BEGIN"!==match[1])break;start=i}}if(-1===start||-1===end)throw new Error("PEM section not found for: "+label);var base64=lines.slice(start+1,end).join("");base64.replace(/[^a-z0-9\+\/=]+/gi,"");var input=new Buffer(base64,"base64");return DERDecoder.prototype.decode.call(this,input,options)}},{"./der":9,buffer:70,inherits:145}],12:[function(require,module,exports){var inherits=require("inherits"),Buffer=require("buffer").Buffer,asn1=require("../../asn1"),base=asn1.base,der=asn1.constants.der;function DEREncoder(entity){this.enc="der",this.name=entity.name,this.entity=entity,this.tree=new DERNode,this.tree._init(entity.body)}module.exports=DEREncoder,DEREncoder.prototype.encode=function(data,reporter){return this.tree._encode(data,reporter).join()};function DERNode(parent){base.Node.call(this,"der",parent)}inherits(DERNode,base.Node),DERNode.prototype._encodeComposite=function(tag,primitive,cls,content){var encodedTag=function(tag,primitive,cls,reporter){var res;"seqof"===tag?tag="seq":"setof"===tag&&(tag="set");if(der.tagByName.hasOwnProperty(tag))res=der.tagByName[tag];else{if("number"!=typeof tag||(0|tag)!==tag)return reporter.error("Unknown tag: "+tag);res=tag}if(res>=31)return reporter.error("Multi-octet tag encoding unsupported");primitive||(res|=32);return res|=der.tagClassByName[cls||"universal"]<<6}(tag,primitive,cls,this.reporter);if(content.length<128){return(header=new Buffer(2))[0]=encodedTag,header[1]=content.length,this._createEncoderBuffer([header,content])}for(var lenOctets=1,i=content.length;i>=256;i>>=8)lenOctets++;var header;(header=new Buffer(2+lenOctets))[0]=encodedTag,header[1]=128|lenOctets;i=1+lenOctets;for(var j=content.length;j>0;i--,j>>=8)header[i]=255&j;return this._createEncoderBuffer([header,content])},DERNode.prototype._encodeStr=function(str,tag){if("bitstr"===tag)return this._createEncoderBuffer([0|str.unused,str.data]);if("bmpstr"===tag){for(var buf=new Buffer(2*str.length),i=0;i<str.length;i++)buf.writeUInt16BE(str.charCodeAt(i),2*i);return this._createEncoderBuffer(buf)}return"numstr"===tag?this._isNumstr(str)?this._createEncoderBuffer(str):this.reporter.error("Encoding of string type: numstr supports only digits and space"):"printstr"===tag?this._isPrintstr(str)?this._createEncoderBuffer(str):this.reporter.error("Encoding of string type: printstr supports only latin upper and lower case letters, digits, space, apostrophe, left and rigth parenthesis, plus sign, comma, hyphen, dot, slash, colon, equal sign, question mark"):/str$/.test(tag)?this._createEncoderBuffer(str):"objDesc"===tag?this._createEncoderBuffer(str):this.reporter.error("Encoding of string type: "+tag+" unsupported")},DERNode.prototype._encodeObjid=function(id,values,relative){if("string"==typeof id){if(!values)return this.reporter.error("string objid given, but no values map found");if(!values.hasOwnProperty(id))return this.reporter.error("objid not found in values map");id=values[id].split(/[\s\.]+/g);for(var i=0;i<id.length;i++)id[i]|=0}else if(Array.isArray(id)){id=id.slice();for(i=0;i<id.length;i++)id[i]|=0}if(!Array.isArray(id))return this.reporter.error("objid() should be either array or string, got: "+JSON.stringify(id));if(!relative){if(id[1]>=40)return this.reporter.error("Second objid identifier OOB");id.splice(0,2,40*id[0]+id[1])}var size=0;for(i=0;i<id.length;i++){var ident=id[i];for(size++;ident>=128;ident>>=7)size++}var objid=new Buffer(size),offset=objid.length-1;for(i=id.length-1;i>=0;i--){ident=id[i];for(objid[offset--]=127&ident;(ident>>=7)>0;)objid[offset--]=128|127&ident}return this._createEncoderBuffer(objid)};function two(num){return num<10?"0"+num:num}DERNode.prototype._encodeTime=function(time,tag){var str,date=new Date(time);return"gentime"===tag?str=[two(date.getFullYear()),two(date.getUTCMonth()+1),two(date.getUTCDate()),two(date.getUTCHours()),two(date.getUTCMinutes()),two(date.getUTCSeconds()),"Z"].join(""):"utctime"===tag?str=[two(date.getFullYear()%100),two(date.getUTCMonth()+1),two(date.getUTCDate()),two(date.getUTCHours()),two(date.getUTCMinutes()),two(date.getUTCSeconds()),"Z"].join(""):this.reporter.error("Encoding "+tag+" time is not supported yet"),this._encodeStr(str,"octstr")},DERNode.prototype._encodeNull=function(){return this._createEncoderBuffer("")},DERNode.prototype._encodeInt=function(num,values){if("string"==typeof num){if(!values)return this.reporter.error("String int or enum given, but no values map");if(!values.hasOwnProperty(num))return this.reporter.error("Values map doesn't contain: "+JSON.stringify(num));num=values[num]}if("number"!=typeof num&&!Buffer.isBuffer(num)){var numArray=num.toArray();!num.sign&&128&numArray[0]&&numArray.unshift(0),num=new Buffer(numArray)}if(Buffer.isBuffer(num)){var size=num.length;0===num.length&&size++;var out=new Buffer(size);return num.copy(out),0===num.length&&(out[0]=0),this._createEncoderBuffer(out)}if(num<128)return this._createEncoderBuffer(num);if(num<256)return this._createEncoderBuffer([0,num]);size=1;for(var i=num;i>=256;i>>=8)size++;for(i=(out=new Array(size)).length-1;i>=0;i--)out[i]=255&num,num>>=8;return 128&out[0]&&out.unshift(0),this._createEncoderBuffer(new Buffer(out))},DERNode.prototype._encodeBool=function(value){return this._createEncoderBuffer(value?255:0)},DERNode.prototype._use=function(entity,obj){return"function"==typeof entity&&(entity=entity(obj)),entity._getEncoder("der").tree},DERNode.prototype._skipDefault=function(dataBuffer,reporter,parent){var i,state=this._baseState;if(null===state.default)return!1;var data=dataBuffer.join();if(void 0===state.defaultBuffer&&(state.defaultBuffer=this._encodeValue(state.default,reporter,parent).join()),data.length!==state.defaultBuffer.length)return!1;for(i=0;i<data.length;i++)if(data[i]!==state.defaultBuffer[i])return!1;return!0}},{"../../asn1":1,buffer:70,inherits:145}],13:[function(require,module,exports){var encoders=exports;encoders.der=require("./der"),encoders.pem=require("./pem")},{"./der":12,"./pem":14}],14:[function(require,module,exports){var inherits=require("inherits"),DEREncoder=require("./der");function PEMEncoder(entity){DEREncoder.call(this,entity),this.enc="pem"}inherits(PEMEncoder,DEREncoder),module.exports=PEMEncoder,PEMEncoder.prototype.encode=function(data,options){for(var p=DEREncoder.prototype.encode.call(this,data).toString("base64"),out=["-----BEGIN "+options.label+"-----"],i=0;i<p.length;i+=64)out.push(p.slice(i,i+64));return out.push("-----END "+options.label+"-----"),out.join("\n")}},{"./der":12,inherits:145}],15:[function(require,module,exports){!function(module,exports){"use strict";function assert(val,msg){if(!val)throw new Error(msg||"Assertion failed")}function inherits(ctor,superCtor){ctor.super_=superCtor;var TempCtor=function(){};TempCtor.prototype=superCtor.prototype,ctor.prototype=new TempCtor,ctor.prototype.constructor=ctor}function BN(number,base,endian){if(BN.isBN(number))return number;this.negative=0,this.words=null,this.length=0,this.red=null,null!==number&&("le"!==base&&"be"!==base||(endian=base,base=10),this._init(number||0,base||10,endian||"be"))}"object"==typeof module?module.exports=BN:exports.BN=BN,BN.BN=BN,BN.wordSize=26;var Buffer;try{Buffer=require("buffer").Buffer}catch(e){}BN.isBN=function(num){return num instanceof BN||null!==num&&"object"==typeof num&&num.constructor.wordSize===BN.wordSize&&Array.isArray(num.words)},BN.max=function(left,right){return left.cmp(right)>0?left:right},BN.min=function(left,right){return left.cmp(right)<0?left:right},BN.prototype._init=function(number,base,endian){if("number"==typeof number)return this._initNumber(number,base,endian);if("object"==typeof number)return this._initArray(number,base,endian);"hex"===base&&(base=16),assert(base===(0|base)&&base>=2&&base<=36);var start=0;"-"===(number=number.toString().replace(/\s+/g,""))[0]&&start++,16===base?this._parseHex(number,start):this._parseBase(number,base,start),"-"===number[0]&&(this.negative=1),this.strip(),"le"===endian&&this._initArray(this.toArray(),base,endian)},BN.prototype._initNumber=function(number,base,endian){number<0&&(this.negative=1,number=-number),number<67108864?(this.words=[67108863&number],this.length=1):number<4503599627370496?(this.words=[67108863&number,number/67108864&67108863],this.length=2):(assert(number<9007199254740992),this.words=[67108863&number,number/67108864&67108863,1],this.length=3),"le"===endian&&this._initArray(this.toArray(),base,endian)},BN.prototype._initArray=function(number,base,endian){if(assert("number"==typeof number.length),number.length<=0)return this.words=[0],this.length=1,this;this.length=Math.ceil(number.length/3),this.words=new Array(this.length);for(var i=0;i<this.length;i++)this.words[i]=0;var j,w,off=0;if("be"===endian)for(i=number.length-1,j=0;i>=0;i-=3)w=number[i]|number[i-1]<<8|number[i-2]<<16,this.words[j]|=w<<off&67108863,this.words[j+1]=w>>>26-off&67108863,(off+=24)>=26&&(off-=26,j++);else if("le"===endian)for(i=0,j=0;i<number.length;i+=3)w=number[i]|number[i+1]<<8|number[i+2]<<16,this.words[j]|=w<<off&67108863,this.words[j+1]=w>>>26-off&67108863,(off+=24)>=26&&(off-=26,j++);return this.strip()};function parseHex(str,start,end){for(var r=0,len=Math.min(str.length,end),i=start;i<len;i++){var c=str.charCodeAt(i)-48;r<<=4,r|=c>=49&&c<=54?c-49+10:c>=17&&c<=22?c-17+10:15&c}return r}BN.prototype._parseHex=function(number,start){this.length=Math.ceil((number.length-start)/6),this.words=new Array(this.length);for(var i=0;i<this.length;i++)this.words[i]=0;var j,w,off=0;for(i=number.length-6,j=0;i>=start;i-=6)w=parseHex(number,i,i+6),this.words[j]|=w<<off&67108863,this.words[j+1]|=w>>>26-off&4194303,(off+=24)>=26&&(off-=26,j++);i+6!==start&&(w=parseHex(number,start,i+6),this.words[j]|=w<<off&67108863,this.words[j+1]|=w>>>26-off&4194303),this.strip()};function parseBase(str,start,end,mul){for(var r=0,len=Math.min(str.length,end),i=start;i<len;i++){var c=str.charCodeAt(i)-48;r*=mul,r+=c>=49?c-49+10:c>=17?c-17+10:c}return r}BN.prototype._parseBase=function(number,base,start){this.words=[0],this.length=1;for(var limbLen=0,limbPow=1;limbPow<=67108863;limbPow*=base)limbLen++;limbLen--,limbPow=limbPow/base|0;for(var total=number.length-start,mod=total%limbLen,end=Math.min(total,total-mod)+start,word=0,i=start;i<end;i+=limbLen)word=parseBase(number,i,i+limbLen,base),this.imuln(limbPow),this.words[0]+word<67108864?this.words[0]+=word:this._iaddn(word);if(0!==mod){var pow=1;for(word=parseBase(number,i,number.length,base),i=0;i<mod;i++)pow*=base;this.imuln(pow),this.words[0]+word<67108864?this.words[0]+=word:this._iaddn(word)}},BN.prototype.copy=function(dest){dest.words=new Array(this.length);for(var i=0;i<this.length;i++)dest.words[i]=this.words[i];dest.length=this.length,dest.negative=this.negative,dest.red=this.red},BN.prototype.clone=function(){var r=new BN(null);return this.copy(r),r},BN.prototype._expand=function(size){for(;this.length<size;)this.words[this.length++]=0;return this},BN.prototype.strip=function(){for(;this.length>1&&0===this.words[this.length-1];)this.length--;return this._normSign()},BN.prototype._normSign=function(){return 1===this.length&&0===this.words[0]&&(this.negative=0),this},BN.prototype.inspect=function(){return(this.red?"<BN-R: ":"<BN: ")+this.toString(16)+">"};var zeros=["","0","00","000","0000","00000","000000","0000000","00000000","000000000","0000000000","00000000000","000000000000","0000000000000","00000000000000","000000000000000","0000000000000000","00000000000000000","000000000000000000","0000000000000000000","00000000000000000000","000000000000000000000","0000000000000000000000","00000000000000000000000","000000000000000000000000","0000000000000000000000000"],groupSizes=[0,0,25,16,12,11,10,9,8,8,7,7,7,7,6,6,6,6,6,6,6,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5],groupBases=[0,0,33554432,43046721,16777216,48828125,60466176,40353607,16777216,43046721,1e7,19487171,35831808,62748517,7529536,11390625,16777216,24137569,34012224,47045881,64e6,4084101,5153632,6436343,7962624,9765625,11881376,14348907,17210368,20511149,243e5,28629151,33554432,39135393,45435424,52521875,60466176];BN.prototype.toString=function(base,padding){base=base||10,padding=0|padding||1;var out;if(16===base||"hex"===base){out="";for(var off=0,carry=0,i=0;i<this.length;i++){var w=this.words[i],word=(16777215&(w<<off|carry)).toString(16);out=0!==(carry=w>>>24-off&16777215)||i!==this.length-1?zeros[6-word.length]+word+out:word+out,(off+=2)>=26&&(off-=26,i--)}for(0!==carry&&(out=carry.toString(16)+out);out.length%padding!=0;)out="0"+out;return 0!==this.negative&&(out="-"+out),out}if(base===(0|base)&&base>=2&&base<=36){var groupSize=groupSizes[base],groupBase=groupBases[base];out="";var c=this.clone();for(c.negative=0;!c.isZero();){var r=c.modn(groupBase).toString(base);out=(c=c.idivn(groupBase)).isZero()?r+out:zeros[groupSize-r.length]+r+out}for(this.isZero()&&(out="0"+out);out.length%padding!=0;)out="0"+out;return 0!==this.negative&&(out="-"+out),out}assert(!1,"Base should be between 2 and 36")},BN.prototype.toNumber=function(){var ret=this.words[0];return 2===this.length?ret+=67108864*this.words[1]:3===this.length&&1===this.words[2]?ret+=4503599627370496+67108864*this.words[1]:this.length>2&&assert(!1,"Number can only safely store up to 53 bits"),0!==this.negative?-ret:ret},BN.prototype.toJSON=function(){return this.toString(16)},BN.prototype.toBuffer=function(endian,length){return assert(void 0!==Buffer),this.toArrayLike(Buffer,endian,length)},BN.prototype.toArray=function(endian,length){return this.toArrayLike(Array,endian,length)},BN.prototype.toArrayLike=function(ArrayType,endian,length){var byteLength=this.byteLength(),reqLength=length||Math.max(1,byteLength);assert(byteLength<=reqLength,"byte array longer than desired length"),assert(reqLength>0,"Requested array length <= 0"),this.strip();var b,i,littleEndian="le"===endian,res=new ArrayType(reqLength),q=this.clone();if(littleEndian){for(i=0;!q.isZero();i++)b=q.andln(255),q.iushrn(8),res[i]=b;for(;i<reqLength;i++)res[i]=0}else{for(i=0;i<reqLength-byteLength;i++)res[i]=0;for(i=0;!q.isZero();i++)b=q.andln(255),q.iushrn(8),res[reqLength-i-1]=b}return res},Math.clz32?BN.prototype._countBits=function(w){return 32-Math.clz32(w)}:BN.prototype._countBits=function(w){var t=w,r=0;return t>=4096&&(r+=13,t>>>=13),t>=64&&(r+=7,t>>>=7),t>=8&&(r+=4,t>>>=4),t>=2&&(r+=2,t>>>=2),r+t},BN.prototype._zeroBits=function(w){if(0===w)return 26;var t=w,r=0;return 0==(8191&t)&&(r+=13,t>>>=13),0==(127&t)&&(r+=7,t>>>=7),0==(15&t)&&(r+=4,t>>>=4),0==(3&t)&&(r+=2,t>>>=2),0==(1&t)&&r++,r},BN.prototype.bitLength=function(){var w=this.words[this.length-1],hi=this._countBits(w);return 26*(this.length-1)+hi};BN.prototype.zeroBits=function(){if(this.isZero())return 0;for(var r=0,i=0;i<this.length;i++){var b=this._zeroBits(this.words[i]);if(r+=b,26!==b)break}return r},BN.prototype.byteLength=function(){return Math.ceil(this.bitLength()/8)},BN.prototype.toTwos=function(width){return 0!==this.negative?this.abs().inotn(width).iaddn(1):this.clone()},BN.prototype.fromTwos=function(width){return this.testn(width-1)?this.notn(width).iaddn(1).ineg():this.clone()},BN.prototype.isNeg=function(){return 0!==this.negative},BN.prototype.neg=function(){return this.clone().ineg()},BN.prototype.ineg=function(){return this.isZero()||(this.negative^=1),this},BN.prototype.iuor=function(num){for(;this.length<num.length;)this.words[this.length++]=0;for(var i=0;i<num.length;i++)this.words[i]=this.words[i]|num.words[i];return this.strip()},BN.prototype.ior=function(num){return assert(0==(this.negative|num.negative)),this.iuor(num)},BN.prototype.or=function(num){return this.length>num.length?this.clone().ior(num):num.clone().ior(this)},BN.prototype.uor=function(num){return this.length>num.length?this.clone().iuor(num):num.clone().iuor(this)},BN.prototype.iuand=function(num){var b;b=this.length>num.length?num:this;for(var i=0;i<b.length;i++)this.words[i]=this.words[i]&num.words[i];return this.length=b.length,this.strip()},BN.prototype.iand=function(num){return assert(0==(this.negative|num.negative)),this.iuand(num)},BN.prototype.and=function(num){return this.length>num.length?this.clone().iand(num):num.clone().iand(this)},BN.prototype.uand=function(num){return this.length>num.length?this.clone().iuand(num):num.clone().iuand(this)},BN.prototype.iuxor=function(num){var a,b;this.length>num.length?(a=this,b=num):(a=num,b=this);for(var i=0;i<b.length;i++)this.words[i]=a.words[i]^b.words[i];if(this!==a)for(;i<a.length;i++)this.words[i]=a.words[i];return this.length=a.length,this.strip()},BN.prototype.ixor=function(num){return assert(0==(this.negative|num.negative)),this.iuxor(num)},BN.prototype.xor=function(num){return this.length>num.length?this.clone().ixor(num):num.clone().ixor(this)},BN.prototype.uxor=function(num){return this.length>num.length?this.clone().iuxor(num):num.clone().iuxor(this)},BN.prototype.inotn=function(width){assert("number"==typeof width&&width>=0);var bytesNeeded=0|Math.ceil(width/26),bitsLeft=width%26;this._expand(bytesNeeded),bitsLeft>0&&bytesNeeded--;for(var i=0;i<bytesNeeded;i++)this.words[i]=67108863&~this.words[i];return bitsLeft>0&&(this.words[i]=~this.words[i]&67108863>>26-bitsLeft),this.strip()},BN.prototype.notn=function(width){return this.clone().inotn(width)},BN.prototype.setn=function(bit,val){assert("number"==typeof bit&&bit>=0);var off=bit/26|0,wbit=bit%26;return this._expand(off+1),this.words[off]=val?this.words[off]|1<<wbit:this.words[off]&~(1<<wbit),this.strip()},BN.prototype.iadd=function(num){var r;if(0!==this.negative&&0===num.negative)return this.negative=0,r=this.isub(num),this.negative^=1,this._normSign();if(0===this.negative&&0!==num.negative)return num.negative=0,r=this.isub(num),num.negative=1,r._normSign();var a,b;this.length>num.length?(a=this,b=num):(a=num,b=this);for(var carry=0,i=0;i<b.length;i++)r=(0|a.words[i])+(0|b.words[i])+carry,this.words[i]=67108863&r,carry=r>>>26;for(;0!==carry&&i<a.length;i++)r=(0|a.words[i])+carry,this.words[i]=67108863&r,carry=r>>>26;if(this.length=a.length,0!==carry)this.words[this.length]=carry,this.length++;else if(a!==this)for(;i<a.length;i++)this.words[i]=a.words[i];return this},BN.prototype.add=function(num){var res;return 0!==num.negative&&0===this.negative?(num.negative=0,res=this.sub(num),num.negative^=1,res):0===num.negative&&0!==this.negative?(this.negative=0,res=num.sub(this),this.negative=1,res):this.length>num.length?this.clone().iadd(num):num.clone().iadd(this)},BN.prototype.isub=function(num){if(0!==num.negative){num.negative=0;var r=this.iadd(num);return num.negative=1,r._normSign()}if(0!==this.negative)return this.negative=0,this.iadd(num),this.negative=1,this._normSign();var cmp=this.cmp(num);if(0===cmp)return this.negative=0,this.length=1,this.words[0]=0,this;var a,b;cmp>0?(a=this,b=num):(a=num,b=this);for(var carry=0,i=0;i<b.length;i++)carry=(r=(0|a.words[i])-(0|b.words[i])+carry)>>26,this.words[i]=67108863&r;for(;0!==carry&&i<a.length;i++)carry=(r=(0|a.words[i])+carry)>>26,this.words[i]=67108863&r;if(0===carry&&i<a.length&&a!==this)for(;i<a.length;i++)this.words[i]=a.words[i];return this.length=Math.max(this.length,i),a!==this&&(this.negative=1),this.strip()},BN.prototype.sub=function(num){return this.clone().isub(num)};function smallMulTo(self,num,out){out.negative=num.negative^self.negative;var len=self.length+num.length|0;out.length=len,len=len-1|0;var a=0|self.words[0],b=0|num.words[0],r=a*b,lo=67108863&r,carry=r/67108864|0;out.words[0]=lo;for(var k=1;k<len;k++){for(var ncarry=carry>>>26,rword=67108863&carry,maxJ=Math.min(k,num.length-1),j=Math.max(0,k-self.length+1);j<=maxJ;j++){var i=k-j|0;ncarry+=(r=(a=0|self.words[i])*(b=0|num.words[j])+rword)/67108864|0,rword=67108863&r}out.words[k]=0|rword,carry=0|ncarry}return 0!==carry?out.words[k]=0|carry:out.length--,out.strip()}var comb10MulTo=function(self,num,out){var lo,mid,hi,a=self.words,b=num.words,o=out.words,c=0,a0=0|a[0],al0=8191&a0,ah0=a0>>>13,a1=0|a[1],al1=8191&a1,ah1=a1>>>13,a2=0|a[2],al2=8191&a2,ah2=a2>>>13,a3=0|a[3],al3=8191&a3,ah3=a3>>>13,a4=0|a[4],al4=8191&a4,ah4=a4>>>13,a5=0|a[5],al5=8191&a5,ah5=a5>>>13,a6=0|a[6],al6=8191&a6,ah6=a6>>>13,a7=0|a[7],al7=8191&a7,ah7=a7>>>13,a8=0|a[8],al8=8191&a8,ah8=a8>>>13,a9=0|a[9],al9=8191&a9,ah9=a9>>>13,b0=0|b[0],bl0=8191&b0,bh0=b0>>>13,b1=0|b[1],bl1=8191&b1,bh1=b1>>>13,b2=0|b[2],bl2=8191&b2,bh2=b2>>>13,b3=0|b[3],bl3=8191&b3,bh3=b3>>>13,b4=0|b[4],bl4=8191&b4,bh4=b4>>>13,b5=0|b[5],bl5=8191&b5,bh5=b5>>>13,b6=0|b[6],bl6=8191&b6,bh6=b6>>>13,b7=0|b[7],bl7=8191&b7,bh7=b7>>>13,b8=0|b[8],bl8=8191&b8,bh8=b8>>>13,b9=0|b[9],bl9=8191&b9,bh9=b9>>>13;out.negative=self.negative^num.negative,out.length=19;var w0=(c+(lo=Math.imul(al0,bl0))|0)+((8191&(mid=(mid=Math.imul(al0,bh0))+Math.imul(ah0,bl0)|0))<<13)|0;c=((hi=Math.imul(ah0,bh0))+(mid>>>13)|0)+(w0>>>26)|0,w0&=67108863,lo=Math.imul(al1,bl0),mid=(mid=Math.imul(al1,bh0))+Math.imul(ah1,bl0)|0,hi=Math.imul(ah1,bh0);var w1=(c+(lo=lo+Math.imul(al0,bl1)|0)|0)+((8191&(mid=(mid=mid+Math.imul(al0,bh1)|0)+Math.imul(ah0,bl1)|0))<<13)|0;c=((hi=hi+Math.imul(ah0,bh1)|0)+(mid>>>13)|0)+(w1>>>26)|0,w1&=67108863,lo=Math.imul(al2,bl0),mid=(mid=Math.imul(al2,bh0))+Math.imul(ah2,bl0)|0,hi=Math.imul(ah2,bh0),lo=lo+Math.imul(al1,bl1)|0,mid=(mid=mid+Math.imul(al1,bh1)|0)+Math.imul(ah1,bl1)|0,hi=hi+Math.imul(ah1,bh1)|0;var w2=(c+(lo=lo+Math.imul(al0,bl2)|0)|0)+((8191&(mid=(mid=mid+Math.imul(al0,bh2)|0)+Math.imul(ah0,bl2)|0))<<13)|0;c=((hi=hi+Math.imul(ah0,bh2)|0)+(mid>>>13)|0)+(w2>>>26)|0,w2&=67108863,lo=Math.imul(al3,bl0),mid=(mid=Math.imul(al3,bh0))+Math.imul(ah3,bl0)|0,hi=Math.imul(ah3,bh0),lo=lo+Math.imul(al2,bl1)|0,mid=(mid=mid+Math.imul(al2,bh1)|0)+Math.imul(ah2,bl1)|0,hi=hi+Math.imul(ah2,bh1)|0,lo=lo+Math.imul(al1,bl2)|0,mid=(mid=mid+Math.imul(al1,bh2)|0)+Math.imul(ah1,bl2)|0,hi=hi+Math.imul(ah1,bh2)|0;var w3=(c+(lo=lo+Math.imul(al0,bl3)|0)|0)+((8191&(mid=(mid=mid+Math.imul(al0,bh3)|0)+Math.imul(ah0,bl3)|0))<<13)|0;c=((hi=hi+Math.imul(ah0,bh3)|0)+(mid>>>13)|0)+(w3>>>26)|0,w3&=67108863,lo=Math.imul(al4,bl0),mid=(mid=Math.imul(al4,bh0))+Math.imul(ah4,bl0)|0,hi=Math.imul(ah4,bh0),lo=lo+Math.imul(al3,bl1)|0,mid=(mid=mid+Math.imul(al3,bh1)|0)+Math.imul(ah3,bl1)|0,hi=hi+Math.imul(ah3,bh1)|0,lo=lo+Math.imul(al2,bl2)|0,mid=(mid=mid+Math.imul(al2,bh2)|0)+Math.imul(ah2,bl2)|0,hi=hi+Math.imul(ah2,bh2)|0,lo=lo+Math.imul(al1,bl3)|0,mid=(mid=mid+Math.imul(al1,bh3)|0)+Math.imul(ah1,bl3)|0,hi=hi+Math.imul(ah1,bh3)|0;var w4=(c+(lo=lo+Math.imul(al0,bl4)|0)|0)+((8191&(mid=(mid=mid+Math.imul(al0,bh4)|0)+Math.imul(ah0,bl4)|0))<<13)|0;c=((hi=hi+Math.imul(ah0,bh4)|0)+(mid>>>13)|0)+(w4>>>26)|0,w4&=67108863,lo=Math.imul(al5,bl0),mid=(mid=Math.imul(al5,bh0))+Math.imul(ah5,bl0)|0,hi=Math.imul(ah5,bh0),lo=lo+Math.imul(al4,bl1)|0,mid=(mid=mid+Math.imul(al4,bh1)|0)+Math.imul(ah4,bl1)|0,hi=hi+Math.imul(ah4,bh1)|0,lo=lo+Math.imul(al3,bl2)|0,mid=(mid=mid+Math.imul(al3,bh2)|0)+Math.imul(ah3,bl2)|0,hi=hi+Math.imul(ah3,bh2)|0,lo=lo+Math.imul(al2,bl3)|0,mid=(mid=mid+Math.imul(al2,bh3)|0)+Math.imul(ah2,bl3)|0,hi=hi+Math.imul(ah2,bh3)|0,lo=lo+Math.imul(al1,bl4)|0,mid=(mid=mid+Math.imul(al1,bh4)|0)+Math.imul(ah1,bl4)|0,hi=hi+Math.imul(ah1,bh4)|0;var w5=(c+(lo=lo+Math.imul(al0,bl5)|0)|0)+((8191&(mid=(mid=mid+Math.imul(al0,bh5)|0)+Math.imul(ah0,bl5)|0))<<13)|0;c=((hi=hi+Math.imul(ah0,bh5)|0)+(mid>>>13)|0)+(w5>>>26)|0,w5&=67108863,lo=Math.imul(al6,bl0),mid=(mid=Math.imul(al6,bh0))+Math.imul(ah6,bl0)|0,hi=Math.imul(ah6,bh0),lo=lo+Math.imul(al5,bl1)|0,mid=(mid=mid+Math.imul(al5,bh1)|0)+Math.imul(ah5,bl1)|0,hi=hi+Math.imul(ah5,bh1)|0,lo=lo+Math.imul(al4,bl2)|0,mid=(mid=mid+Math.imul(al4,bh2)|0)+Math.imul(ah4,bl2)|0,hi=hi+Math.imul(ah4,bh2)|0,lo=lo+Math.imul(al3,bl3)|0,mid=(mid=mid+Math.imul(al3,bh3)|0)+Math.imul(ah3,bl3)|0,hi=hi+Math.imul(ah3,bh3)|0,lo=lo+Math.imul(al2,bl4)|0,mid=(mid=mid+Math.imul(al2,bh4)|0)+Math.imul(ah2,bl4)|0,hi=hi+Math.imul(ah2,bh4)|0,lo=lo+Math.imul(al1,bl5)|0,mid=(mid=mid+Math.imul(al1,bh5)|0)+Math.imul(ah1,bl5)|0,hi=hi+Math.imul(ah1,bh5)|0;var w6=(c+(lo=lo+Math.imul(al0,bl6)|0)|0)+((8191&(mid=(mid=mid+Math.imul(al0,bh6)|0)+Math.imul(ah0,bl6)|0))<<13)|0;c=((hi=hi+Math.imul(ah0,bh6)|0)+(mid>>>13)|0)+(w6>>>26)|0,w6&=67108863,lo=Math.imul(al7,bl0),mid=(mid=Math.imul(al7,bh0))+Math.imul(ah7,bl0)|0,hi=Math.imul(ah7,bh0),lo=lo+Math.imul(al6,bl1)|0,mid=(mid=mid+Math.imul(al6,bh1)|0)+Math.imul(ah6,bl1)|0,hi=hi+Math.imul(ah6,bh1)|0,lo=lo+Math.imul(al5,bl2)|0,mid=(mid=mid+Math.imul(al5,bh2)|0)+Math.imul(ah5,bl2)|0,hi=hi+Math.imul(ah5,bh2)|0,lo=lo+Math.imul(al4,bl3)|0,mid=(mid=mid+Math.imul(al4,bh3)|0)+Math.imul(ah4,bl3)|0,hi=hi+Math.imul(ah4,bh3)|0,lo=lo+Math.imul(al3,bl4)|0,mid=(mid=mid+Math.imul(al3,bh4)|0)+Math.imul(ah3,bl4)|0,hi=hi+Math.imul(ah3,bh4)|0,lo=lo+Math.imul(al2,bl5)|0,mid=(mid=mid+Math.imul(al2,bh5)|0)+Math.imul(ah2,bl5)|0,hi=hi+Math.imul(ah2,bh5)|0,lo=lo+Math.imul(al1,bl6)|0,mid=(mid=mid+Math.imul(al1,bh6)|0)+Math.imul(ah1,bl6)|0,hi=hi+Math.imul(ah1,bh6)|0;var w7=(c+(lo=lo+Math.imul(al0,bl7)|0)|0)+((8191&(mid=(mid=mid+Math.imul(al0,bh7)|0)+Math.imul(ah0,bl7)|0))<<13)|0;c=((hi=hi+Math.imul(ah0,bh7)|0)+(mid>>>13)|0)+(w7>>>26)|0,w7&=67108863,lo=Math.imul(al8,bl0),mid=(mid=Math.imul(al8,bh0))+Math.imul(ah8,bl0)|0,hi=Math.imul(ah8,bh0),lo=lo+Math.imul(al7,bl1)|0,mid=(mid=mid+Math.imul(al7,bh1)|0)+Math.imul(ah7,bl1)|0,hi=hi+Math.imul(ah7,bh1)|0,lo=lo+Math.imul(al6,bl2)|0,mid=(mid=mid+Math.imul(al6,bh2)|0)+Math.imul(ah6,bl2)|0,hi=hi+Math.imul(ah6,bh2)|0,lo=lo+Math.imul(al5,bl3)|0,mid=(mid=mid+Math.imul(al5,bh3)|0)+Math.imul(ah5,bl3)|0,hi=hi+Math.imul(ah5,bh3)|0,lo=lo+Math.imul(al4,bl4)|0,mid=(mid=mid+Math.imul(al4,bh4)|0)+Math.imul(ah4,bl4)|0,hi=hi+Math.imul(ah4,bh4)|0,lo=lo+Math.imul(al3,bl5)|0,mid=(mid=mid+Math.imul(al3,bh5)|0)+Math.imul(ah3,bl5)|0,hi=hi+Math.imul(ah3,bh5)|0,lo=lo+Math.imul(al2,bl6)|0,mid=(mid=mid+Math.imul(al2,bh6)|0)+Math.imul(ah2,bl6)|0,hi=hi+Math.imul(ah2,bh6)|0,lo=lo+Math.imul(al1,bl7)|0,mid=(mid=mid+Math.imul(al1,bh7)|0)+Math.imul(ah1,bl7)|0,hi=hi+Math.imul(ah1,bh7)|0;var w8=(c+(lo=lo+Math.imul(al0,bl8)|0)|0)+((8191&(mid=(mid=mid+Math.imul(al0,bh8)|0)+Math.imul(ah0,bl8)|0))<<13)|0;c=((hi=hi+Math.imul(ah0,bh8)|0)+(mid>>>13)|0)+(w8>>>26)|0,w8&=67108863,lo=Math.imul(al9,bl0),mid=(mid=Math.imul(al9,bh0))+Math.imul(ah9,bl0)|0,hi=Math.imul(ah9,bh0),lo=lo+Math.imul(al8,bl1)|0,mid=(mid=mid+Math.imul(al8,bh1)|0)+Math.imul(ah8,bl1)|0,hi=hi+Math.imul(ah8,bh1)|0,lo=lo+Math.imul(al7,bl2)|0,mid=(mid=mid+Math.imul(al7,bh2)|0)+Math.imul(ah7,bl2)|0,hi=hi+Math.imul(ah7,bh2)|0,lo=lo+Math.imul(al6,bl3)|0,mid=(mid=mid+Math.imul(al6,bh3)|0)+Math.imul(ah6,bl3)|0,hi=hi+Math.imul(ah6,bh3)|0,lo=lo+Math.imul(al5,bl4)|0,mid=(mid=mid+Math.imul(al5,bh4)|0)+Math.imul(ah5,bl4)|0,hi=hi+Math.imul(ah5,bh4)|0,lo=lo+Math.imul(al4,bl5)|0,mid=(mid=mid+Math.imul(al4,bh5)|0)+Math.imul(ah4,bl5)|0,hi=hi+Math.imul(ah4,bh5)|0,lo=lo+Math.imul(al3,bl6)|0,mid=(mid=mid+Math.imul(al3,bh6)|0)+Math.imul(ah3,bl6)|0,hi=hi+Math.imul(ah3,bh6)|0,lo=lo+Math.imul(al2,bl7)|0,mid=(mid=mid+Math.imul(al2,bh7)|0)+Math.imul(ah2,bl7)|0,hi=hi+Math.imul(ah2,bh7)|0,lo=lo+Math.imul(al1,bl8)|0,mid=(mid=mid+Math.imul(al1,bh8)|0)+Math.imul(ah1,bl8)|0,hi=hi+Math.imul(ah1,bh8)|0;var w9=(c+(lo=lo+Math.imul(al0,bl9)|0)|0)+((8191&(mid=(mid=mid+Math.imul(al0,bh9)|0)+Math.imul(ah0,bl9)|0))<<13)|0;c=((hi=hi+Math.imul(ah0,bh9)|0)+(mid>>>13)|0)+(w9>>>26)|0,w9&=67108863,lo=Math.imul(al9,bl1),mid=(mid=Math.imul(al9,bh1))+Math.imul(ah9,bl1)|0,hi=Math.imul(ah9,bh1),lo=lo+Math.imul(al8,bl2)|0,mid=(mid=mid+Math.imul(al8,bh2)|0)+Math.imul(ah8,bl2)|0,hi=hi+Math.imul(ah8,bh2)|0,lo=lo+Math.imul(al7,bl3)|0,mid=(mid=mid+Math.imul(al7,bh3)|0)+Math.imul(ah7,bl3)|0,hi=hi+Math.imul(ah7,bh3)|0,lo=lo+Math.imul(al6,bl4)|0,mid=(mid=mid+Math.imul(al6,bh4)|0)+Math.imul(ah6,bl4)|0,hi=hi+Math.imul(ah6,bh4)|0,lo=lo+Math.imul(al5,bl5)|0,mid=(mid=mid+Math.imul(al5,bh5)|0)+Math.imul(ah5,bl5)|0,hi=hi+Math.imul(ah5,bh5)|0,lo=lo+Math.imul(al4,bl6)|0,mid=(mid=mid+Math.imul(al4,bh6)|0)+Math.imul(ah4,bl6)|0,hi=hi+Math.imul(ah4,bh6)|0,lo=lo+Math.imul(al3,bl7)|0,mid=(mid=mid+Math.imul(al3,bh7)|0)+Math.imul(ah3,bl7)|0,hi=hi+Math.imul(ah3,bh7)|0,lo=lo+Math.imul(al2,bl8)|0,mid=(mid=mid+Math.imul(al2,bh8)|0)+Math.imul(ah2,bl8)|0,hi=hi+Math.imul(ah2,bh8)|0;var w10=(c+(lo=lo+Math.imul(al1,bl9)|0)|0)+((8191&(mid=(mid=mid+Math.imul(al1,bh9)|0)+Math.imul(ah1,bl9)|0))<<13)|0;c=((hi=hi+Math.imul(ah1,bh9)|0)+(mid>>>13)|0)+(w10>>>26)|0,w10&=67108863,lo=Math.imul(al9,bl2),mid=(mid=Math.imul(al9,bh2))+Math.imul(ah9,bl2)|0,hi=Math.imul(ah9,bh2),lo=lo+Math.imul(al8,bl3)|0,mid=(mid=mid+Math.imul(al8,bh3)|0)+Math.imul(ah8,bl3)|0,hi=hi+Math.imul(ah8,bh3)|0,lo=lo+Math.imul(al7,bl4)|0,mid=(mid=mid+Math.imul(al7,bh4)|0)+Math.imul(ah7,bl4)|0,hi=hi+Math.imul(ah7,bh4)|0,lo=lo+Math.imul(al6,bl5)|0,mid=(mid=mid+Math.imul(al6,bh5)|0)+Math.imul(ah6,bl5)|0,hi=hi+Math.imul(ah6,bh5)|0,lo=lo+Math.imul(al5,bl6)|0,mid=(mid=mid+Math.imul(al5,bh6)|0)+Math.imul(ah5,bl6)|0,hi=hi+Math.imul(ah5,bh6)|0,lo=lo+Math.imul(al4,bl7)|0,mid=(mid=mid+Math.imul(al4,bh7)|0)+Math.imul(ah4,bl7)|0,hi=hi+Math.imul(ah4,bh7)|0,lo=lo+Math.imul(al3,bl8)|0,mid=(mid=mid+Math.imul(al3,bh8)|0)+Math.imul(ah3,bl8)|0,hi=hi+Math.imul(ah3,bh8)|0;var w11=(c+(lo=lo+Math.imul(al2,bl9)|0)|0)+((8191&(mid=(mid=mid+Math.imul(al2,bh9)|0)+Math.imul(ah2,bl9)|0))<<13)|0;c=((hi=hi+Math.imul(ah2,bh9)|0)+(mid>>>13)|0)+(w11>>>26)|0,w11&=67108863,lo=Math.imul(al9,bl3),mid=(mid=Math.imul(al9,bh3))+Math.imul(ah9,bl3)|0,hi=Math.imul(ah9,bh3),lo=lo+Math.imul(al8,bl4)|0,mid=(mid=mid+Math.imul(al8,bh4)|0)+Math.imul(ah8,bl4)|0,hi=hi+Math.imul(ah8,bh4)|0,lo=lo+Math.imul(al7,bl5)|0,mid=(mid=mid+Math.imul(al7,bh5)|0)+Math.imul(ah7,bl5)|0,hi=hi+Math.imul(ah7,bh5)|0,lo=lo+Math.imul(al6,bl6)|0,mid=(mid=mid+Math.imul(al6,bh6)|0)+Math.imul(ah6,bl6)|0,hi=hi+Math.imul(ah6,bh6)|0,lo=lo+Math.imul(al5,bl7)|0,mid=(mid=mid+Math.imul(al5,bh7)|0)+Math.imul(ah5,bl7)|0,hi=hi+Math.imul(ah5,bh7)|0,lo=lo+Math.imul(al4,bl8)|0,mid=(mid=mid+Math.imul(al4,bh8)|0)+Math.imul(ah4,bl8)|0,hi=hi+Math.imul(ah4,bh8)|0;var w12=(c+(lo=lo+Math.imul(al3,bl9)|0)|0)+((8191&(mid=(mid=mid+Math.imul(al3,bh9)|0)+Math.imul(ah3,bl9)|0))<<13)|0;c=((hi=hi+Math.imul(ah3,bh9)|0)+(mid>>>13)|0)+(w12>>>26)|0,w12&=67108863,lo=Math.imul(al9,bl4),mid=(mid=Math.imul(al9,bh4))+Math.imul(ah9,bl4)|0,hi=Math.imul(ah9,bh4),lo=lo+Math.imul(al8,bl5)|0,mid=(mid=mid+Math.imul(al8,bh5)|0)+Math.imul(ah8,bl5)|0,hi=hi+Math.imul(ah8,bh5)|0,lo=lo+Math.imul(al7,bl6)|0,mid=(mid=mid+Math.imul(al7,bh6)|0)+Math.imul(ah7,bl6)|0,hi=hi+Math.imul(ah7,bh6)|0,lo=lo+Math.imul(al6,bl7)|0,mid=(mid=mid+Math.imul(al6,bh7)|0)+Math.imul(ah6,bl7)|0,hi=hi+Math.imul(ah6,bh7)|0,lo=lo+Math.imul(al5,bl8)|0,mid=(mid=mid+Math.imul(al5,bh8)|0)+Math.imul(ah5,bl8)|0,hi=hi+Math.imul(ah5,bh8)|0;var w13=(c+(lo=lo+Math.imul(al4,bl9)|0)|0)+((8191&(mid=(mid=mid+Math.imul(al4,bh9)|0)+Math.imul(ah4,bl9)|0))<<13)|0;c=((hi=hi+Math.imul(ah4,bh9)|0)+(mid>>>13)|0)+(w13>>>26)|0,w13&=67108863,lo=Math.imul(al9,bl5),mid=(mid=Math.imul(al9,bh5))+Math.imul(ah9,bl5)|0,hi=Math.imul(ah9,bh5),lo=lo+Math.imul(al8,bl6)|0,mid=(mid=mid+Math.imul(al8,bh6)|0)+Math.imul(ah8,bl6)|0,hi=hi+Math.imul(ah8,bh6)|0,lo=lo+Math.imul(al7,bl7)|0,mid=(mid=mid+Math.imul(al7,bh7)|0)+Math.imul(ah7,bl7)|0,hi=hi+Math.imul(ah7,bh7)|0,lo=lo+Math.imul(al6,bl8)|0,mid=(mid=mid+Math.imul(al6,bh8)|0)+Math.imul(ah6,bl8)|0,hi=hi+Math.imul(ah6,bh8)|0;var w14=(c+(lo=lo+Math.imul(al5,bl9)|0)|0)+((8191&(mid=(mid=mid+Math.imul(al5,bh9)|0)+Math.imul(ah5,bl9)|0))<<13)|0;c=((hi=hi+Math.imul(ah5,bh9)|0)+(mid>>>13)|0)+(w14>>>26)|0,w14&=67108863,lo=Math.imul(al9,bl6),mid=(mid=Math.imul(al9,bh6))+Math.imul(ah9,bl6)|0,hi=Math.imul(ah9,bh6),lo=lo+Math.imul(al8,bl7)|0,mid=(mid=mid+Math.imul(al8,bh7)|0)+Math.imul(ah8,bl7)|0,hi=hi+Math.imul(ah8,bh7)|0,lo=lo+Math.imul(al7,bl8)|0,mid=(mid=mid+Math.imul(al7,bh8)|0)+Math.imul(ah7,bl8)|0,hi=hi+Math.imul(ah7,bh8)|0;var w15=(c+(lo=lo+Math.imul(al6,bl9)|0)|0)+((8191&(mid=(mid=mid+Math.imul(al6,bh9)|0)+Math.imul(ah6,bl9)|0))<<13)|0;c=((hi=hi+Math.imul(ah6,bh9)|0)+(mid>>>13)|0)+(w15>>>26)|0,w15&=67108863,lo=Math.imul(al9,bl7),mid=(mid=Math.imul(al9,bh7))+Math.imul(ah9,bl7)|0,hi=Math.imul(ah9,bh7),lo=lo+Math.imul(al8,bl8)|0,mid=(mid=mid+Math.imul(al8,bh8)|0)+Math.imul(ah8,bl8)|0,hi=hi+Math.imul(ah8,bh8)|0;var w16=(c+(lo=lo+Math.imul(al7,bl9)|0)|0)+((8191&(mid=(mid=mid+Math.imul(al7,bh9)|0)+Math.imul(ah7,bl9)|0))<<13)|0;c=((hi=hi+Math.imul(ah7,bh9)|0)+(mid>>>13)|0)+(w16>>>26)|0,w16&=67108863,lo=Math.imul(al9,bl8),mid=(mid=Math.imul(al9,bh8))+Math.imul(ah9,bl8)|0,hi=Math.imul(ah9,bh8);var w17=(c+(lo=lo+Math.imul(al8,bl9)|0)|0)+((8191&(mid=(mid=mid+Math.imul(al8,bh9)|0)+Math.imul(ah8,bl9)|0))<<13)|0;c=((hi=hi+Math.imul(ah8,bh9)|0)+(mid>>>13)|0)+(w17>>>26)|0,w17&=67108863;var w18=(c+(lo=Math.imul(al9,bl9))|0)+((8191&(mid=(mid=Math.imul(al9,bh9))+Math.imul(ah9,bl9)|0))<<13)|0;return c=((hi=Math.imul(ah9,bh9))+(mid>>>13)|0)+(w18>>>26)|0,w18&=67108863,o[0]=w0,o[1]=w1,o[2]=w2,o[3]=w3,o[4]=w4,o[5]=w5,o[6]=w6,o[7]=w7,o[8]=w8,o[9]=w9,o[10]=w10,o[11]=w11,o[12]=w12,o[13]=w13,o[14]=w14,o[15]=w15,o[16]=w16,o[17]=w17,o[18]=w18,0!==c&&(o[19]=c,out.length++),out};Math.imul||(comb10MulTo=smallMulTo);function jumboMulTo(self,num,out){return(new FFTM).mulp(self,num,out)}BN.prototype.mulTo=function(num,out){var len=this.length+num.length;return 10===this.length&&10===num.length?comb10MulTo(this,num,out):len<63?smallMulTo(this,num,out):len<1024?function(self,num,out){out.negative=num.negative^self.negative,out.length=self.length+num.length;for(var carry=0,hncarry=0,k=0;k<out.length-1;k++){var ncarry=hncarry;hncarry=0;for(var rword=67108863&carry,maxJ=Math.min(k,num.length-1),j=Math.max(0,k-self.length+1);j<=maxJ;j++){var i=k-j,r=(0|self.words[i])*(0|num.words[j]),lo=67108863&r;rword=67108863&(lo=lo+rword|0),hncarry+=(ncarry=(ncarry=ncarry+(r/67108864|0)|0)+(lo>>>26)|0)>>>26,ncarry&=67108863}out.words[k]=rword,carry=ncarry,ncarry=hncarry}return 0!==carry?out.words[k]=carry:out.length--,out.strip()}(this,num,out):jumboMulTo(this,num,out)};function FFTM(x,y){this.x=x,this.y=y}FFTM.prototype.makeRBT=function(N){for(var t=new Array(N),l=BN.prototype._countBits(N)-1,i=0;i<N;i++)t[i]=this.revBin(i,l,N);return t},FFTM.prototype.revBin=function(x,l,N){if(0===x||x===N-1)return x;for(var rb=0,i=0;i<l;i++)rb|=(1&x)<<l-i-1,x>>=1;return rb},FFTM.prototype.permute=function(rbt,rws,iws,rtws,itws,N){for(var i=0;i<N;i++)rtws[i]=rws[rbt[i]],itws[i]=iws[rbt[i]]},FFTM.prototype.transform=function(rws,iws,rtws,itws,N,rbt){this.permute(rbt,rws,iws,rtws,itws,N);for(var s=1;s<N;s<<=1)for(var l=s<<1,rtwdf=Math.cos(2*Math.PI/l),itwdf=Math.sin(2*Math.PI/l),p=0;p<N;p+=l)for(var rtwdf_=rtwdf,itwdf_=itwdf,j=0;j<s;j++){var re=rtws[p+j],ie=itws[p+j],ro=rtws[p+j+s],io=itws[p+j+s],rx=rtwdf_*ro-itwdf_*io;io=rtwdf_*io+itwdf_*ro,ro=rx,rtws[p+j]=re+ro,itws[p+j]=ie+io,rtws[p+j+s]=re-ro,itws[p+j+s]=ie-io,j!==l&&(rx=rtwdf*rtwdf_-itwdf*itwdf_,itwdf_=rtwdf*itwdf_+itwdf*rtwdf_,rtwdf_=rx)}},FFTM.prototype.guessLen13b=function(n,m){var N=1|Math.max(m,n),odd=1&N,i=0;for(N=N/2|0;N;N>>>=1)i++;return 1<<i+1+odd},FFTM.prototype.conjugate=function(rws,iws,N){if(!(N<=1))for(var i=0;i<N/2;i++){var t=rws[i];rws[i]=rws[N-i-1],rws[N-i-1]=t,t=iws[i],iws[i]=-iws[N-i-1],iws[N-i-1]=-t}},FFTM.prototype.normalize13b=function(ws,N){for(var carry=0,i=0;i<N/2;i++){var w=8192*Math.round(ws[2*i+1]/N)+Math.round(ws[2*i]/N)+carry;ws[i]=67108863&w,carry=w<67108864?0:w/67108864|0}return ws},FFTM.prototype.convert13b=function(ws,len,rws,N){for(var carry=0,i=0;i<len;i++)carry+=0|ws[i],rws[2*i]=8191&carry,carry>>>=13,rws[2*i+1]=8191&carry,carry>>>=13;for(i=2*len;i<N;++i)rws[i]=0;assert(0===carry),assert(0==(-8192&carry))},FFTM.prototype.stub=function(N){for(var ph=new Array(N),i=0;i<N;i++)ph[i]=0;return ph},FFTM.prototype.mulp=function(x,y,out){var N=2*this.guessLen13b(x.length,y.length),rbt=this.makeRBT(N),_=this.stub(N),rws=new Array(N),rwst=new Array(N),iwst=new Array(N),nrws=new Array(N),nrwst=new Array(N),niwst=new Array(N),rmws=out.words;rmws.length=N,this.convert13b(x.words,x.length,rws,N),this.convert13b(y.words,y.length,nrws,N),this.transform(rws,_,rwst,iwst,N,rbt),this.transform(nrws,_,nrwst,niwst,N,rbt);for(var i=0;i<N;i++){var rx=rwst[i]*nrwst[i]-iwst[i]*niwst[i];iwst[i]=rwst[i]*niwst[i]+iwst[i]*nrwst[i],rwst[i]=rx}return this.conjugate(rwst,iwst,N),this.transform(rwst,iwst,rmws,_,N,rbt),this.conjugate(rmws,_,N),this.normalize13b(rmws,N),out.negative=x.negative^y.negative,out.length=x.length+y.length,out.strip()},BN.prototype.mul=function(num){var out=new BN(null);return out.words=new Array(this.length+num.length),this.mulTo(num,out)},BN.prototype.mulf=function(num){var out=new BN(null);return out.words=new Array(this.length+num.length),jumboMulTo(this,num,out)},BN.prototype.imul=function(num){return this.clone().mulTo(num,this)},BN.prototype.imuln=function(num){assert("number"==typeof num),assert(num<67108864);for(var carry=0,i=0;i<this.length;i++){var w=(0|this.words[i])*num,lo=(67108863&w)+(67108863&carry);carry>>=26,carry+=w/67108864|0,carry+=lo>>>26,this.words[i]=67108863&lo}return 0!==carry&&(this.words[i]=carry,this.length++),this},BN.prototype.muln=function(num){return this.clone().imuln(num)},BN.prototype.sqr=function(){return this.mul(this)},BN.prototype.isqr=function(){return this.imul(this.clone())},BN.prototype.pow=function(num){var w=function(num){for(var w=new Array(num.bitLength()),bit=0;bit<w.length;bit++){var off=bit/26|0,wbit=bit%26;w[bit]=(num.words[off]&1<<wbit)>>>wbit}return w}(num);if(0===w.length)return new BN(1);for(var res=this,i=0;i<w.length&&0===w[i];i++,res=res.sqr());if(++i<w.length)for(var q=res.sqr();i<w.length;i++,q=q.sqr())0!==w[i]&&(res=res.mul(q));return res},BN.prototype.iushln=function(bits){assert("number"==typeof bits&&bits>=0);var i,r=bits%26,s=(bits-r)/26,carryMask=67108863>>>26-r<<26-r;if(0!==r){var carry=0;for(i=0;i<this.length;i++){var newCarry=this.words[i]&carryMask,c=(0|this.words[i])-newCarry<<r;this.words[i]=c|carry,carry=newCarry>>>26-r}carry&&(this.words[i]=carry,this.length++)}if(0!==s){for(i=this.length-1;i>=0;i--)this.words[i+s]=this.words[i];for(i=0;i<s;i++)this.words[i]=0;this.length+=s}return this.strip()},BN.prototype.ishln=function(bits){return assert(0===this.negative),this.iushln(bits)},BN.prototype.iushrn=function(bits,hint,extended){assert("number"==typeof bits&&bits>=0);var h;h=hint?(hint-hint%26)/26:0;var r=bits%26,s=Math.min((bits-r)/26,this.length),mask=67108863^67108863>>>r<<r,maskedWords=extended;if(h-=s,h=Math.max(0,h),maskedWords){for(var i=0;i<s;i++)maskedWords.words[i]=this.words[i];maskedWords.length=s}if(0===s);else if(this.length>s)for(this.length-=s,i=0;i<this.length;i++)this.words[i]=this.words[i+s];else this.words[0]=0,this.length=1;var carry=0;for(i=this.length-1;i>=0&&(0!==carry||i>=h);i--){var word=0|this.words[i];this.words[i]=carry<<26-r|word>>>r,carry=word&mask}return maskedWords&&0!==carry&&(maskedWords.words[maskedWords.length++]=carry),0===this.length&&(this.words[0]=0,this.length=1),this.strip()},BN.prototype.ishrn=function(bits,hint,extended){return assert(0===this.negative),this.iushrn(bits,hint,extended)},BN.prototype.shln=function(bits){return this.clone().ishln(bits)},BN.prototype.ushln=function(bits){return this.clone().iushln(bits)},BN.prototype.shrn=function(bits){return this.clone().ishrn(bits)},BN.prototype.ushrn=function(bits){return this.clone().iushrn(bits)},BN.prototype.testn=function(bit){assert("number"==typeof bit&&bit>=0);var r=bit%26,s=(bit-r)/26,q=1<<r;if(this.length<=s)return!1;return!!(this.words[s]&q)},BN.prototype.imaskn=function(bits){assert("number"==typeof bits&&bits>=0);var r=bits%26,s=(bits-r)/26;if(assert(0===this.negative,"imaskn works only with positive numbers"),this.length<=s)return this;if(0!==r&&s++,this.length=Math.min(s,this.length),0!==r){var mask=67108863^67108863>>>r<<r;this.words[this.length-1]&=mask}return this.strip()},BN.prototype.maskn=function(bits){return this.clone().imaskn(bits)},BN.prototype.iaddn=function(num){return assert("number"==typeof num),assert(num<67108864),num<0?this.isubn(-num):0!==this.negative?1===this.length&&(0|this.words[0])<num?(this.words[0]=num-(0|this.words[0]),this.negative=0,this):(this.negative=0,this.isubn(num),this.negative=1,this):this._iaddn(num)},BN.prototype._iaddn=function(num){this.words[0]+=num;for(var i=0;i<this.length&&this.words[i]>=67108864;i++)this.words[i]-=67108864,i===this.length-1?this.words[i+1]=1:this.words[i+1]++;return this.length=Math.max(this.length,i+1),this},BN.prototype.isubn=function(num){if(assert("number"==typeof num),assert(num<67108864),num<0)return this.iaddn(-num);if(0!==this.negative)return this.negative=0,this.iaddn(num),this.negative=1,this;if(this.words[0]-=num,1===this.length&&this.words[0]<0)this.words[0]=-this.words[0],this.negative=1;else for(var i=0;i<this.length&&this.words[i]<0;i++)this.words[i]+=67108864,this.words[i+1]-=1;return this.strip()},BN.prototype.addn=function(num){return this.clone().iaddn(num)},BN.prototype.subn=function(num){return this.clone().isubn(num)},BN.prototype.iabs=function(){return this.negative=0,this},BN.prototype.abs=function(){return this.clone().iabs()},BN.prototype._ishlnsubmul=function(num,mul,shift){var i,len=num.length+shift;this._expand(len);var w,carry=0;for(i=0;i<num.length;i++){w=(0|this.words[i+shift])+carry;var right=(0|num.words[i])*mul;carry=((w-=67108863&right)>>26)-(right/67108864|0),this.words[i+shift]=67108863&w}for(;i<this.length-shift;i++)carry=(w=(0|this.words[i+shift])+carry)>>26,this.words[i+shift]=67108863&w;if(0===carry)return this.strip();for(assert(-1===carry),carry=0,i=0;i<this.length;i++)carry=(w=-(0|this.words[i])+carry)>>26,this.words[i]=67108863&w;return this.negative=1,this.strip()},BN.prototype._wordDiv=function(num,mode){var shift=this.length-num.length,a=this.clone(),b=num,bhi=0|b.words[b.length-1];0!==(shift=26-this._countBits(bhi))&&(b=b.ushln(shift),a.iushln(shift),bhi=0|b.words[b.length-1]);var q,m=a.length-b.length;if("mod"!==mode){(q=new BN(null)).length=m+1,q.words=new Array(q.length);for(var i=0;i<q.length;i++)q.words[i]=0}var diff=a.clone()._ishlnsubmul(b,1,m);0===diff.negative&&(a=diff,q&&(q.words[m]=1));for(var j=m-1;j>=0;j--){var qj=67108864*(0|a.words[b.length+j])+(0|a.words[b.length+j-1]);for(qj=Math.min(qj/bhi|0,67108863),a._ishlnsubmul(b,qj,j);0!==a.negative;)qj--,a.negative=0,a._ishlnsubmul(b,1,j),a.isZero()||(a.negative^=1);q&&(q.words[j]=qj)}return q&&q.strip(),a.strip(),"div"!==mode&&0!==shift&&a.iushrn(shift),{div:q||null,mod:a}},BN.prototype.divmod=function(num,mode,positive){if(assert(!num.isZero()),this.isZero())return{div:new BN(0),mod:new BN(0)};var div,mod,res;return 0!==this.negative&&0===num.negative?(res=this.neg().divmod(num,mode),"mod"!==mode&&(div=res.div.neg()),"div"!==mode&&(mod=res.mod.neg(),positive&&0!==mod.negative&&mod.iadd(num)),{div:div,mod:mod}):0===this.negative&&0!==num.negative?(res=this.divmod(num.neg(),mode),"mod"!==mode&&(div=res.div.neg()),{div:div,mod:res.mod}):0!=(this.negative&num.negative)?(res=this.neg().divmod(num.neg(),mode),"div"!==mode&&(mod=res.mod.neg(),positive&&0!==mod.negative&&mod.isub(num)),{div:res.div,mod:mod}):num.length>this.length||this.cmp(num)<0?{div:new BN(0),mod:this}:1===num.length?"div"===mode?{div:this.divn(num.words[0]),mod:null}:"mod"===mode?{div:null,mod:new BN(this.modn(num.words[0]))}:{div:this.divn(num.words[0]),mod:new BN(this.modn(num.words[0]))}:this._wordDiv(num,mode)},BN.prototype.div=function(num){return this.divmod(num,"div",!1).div},BN.prototype.mod=function(num){return this.divmod(num,"mod",!1).mod},BN.prototype.umod=function(num){return this.divmod(num,"mod",!0).mod},BN.prototype.divRound=function(num){var dm=this.divmod(num);if(dm.mod.isZero())return dm.div;var mod=0!==dm.div.negative?dm.mod.isub(num):dm.mod,half=num.ushrn(1),r2=num.andln(1),cmp=mod.cmp(half);return cmp<0||1===r2&&0===cmp?dm.div:0!==dm.div.negative?dm.div.isubn(1):dm.div.iaddn(1)},BN.prototype.modn=function(num){assert(num<=67108863);for(var p=(1<<26)%num,acc=0,i=this.length-1;i>=0;i--)acc=(p*acc+(0|this.words[i]))%num;return acc},BN.prototype.idivn=function(num){assert(num<=67108863);for(var carry=0,i=this.length-1;i>=0;i--){var w=(0|this.words[i])+67108864*carry;this.words[i]=w/num|0,carry=w%num}return this.strip()},BN.prototype.divn=function(num){return this.clone().idivn(num)},BN.prototype.egcd=function(p){assert(0===p.negative),assert(!p.isZero());var x=this,y=p.clone();x=0!==x.negative?x.umod(p):x.clone();for(var A=new BN(1),B=new BN(0),C=new BN(0),D=new BN(1),g=0;x.isEven()&&y.isEven();)x.iushrn(1),y.iushrn(1),++g;for(var yp=y.clone(),xp=x.clone();!x.isZero();){for(var i=0,im=1;0==(x.words[0]&im)&&i<26;++i,im<<=1);if(i>0)for(x.iushrn(i);i-- >0;)(A.isOdd()||B.isOdd())&&(A.iadd(yp),B.isub(xp)),A.iushrn(1),B.iushrn(1);for(var j=0,jm=1;0==(y.words[0]&jm)&&j<26;++j,jm<<=1);if(j>0)for(y.iushrn(j);j-- >0;)(C.isOdd()||D.isOdd())&&(C.iadd(yp),D.isub(xp)),C.iushrn(1),D.iushrn(1);x.cmp(y)>=0?(x.isub(y),A.isub(C),B.isub(D)):(y.isub(x),C.isub(A),D.isub(B))}return{a:C,b:D,gcd:y.iushln(g)}},BN.prototype._invmp=function(p){assert(0===p.negative),assert(!p.isZero());var a=this,b=p.clone();a=0!==a.negative?a.umod(p):a.clone();for(var x1=new BN(1),x2=new BN(0),delta=b.clone();a.cmpn(1)>0&&b.cmpn(1)>0;){for(var i=0,im=1;0==(a.words[0]&im)&&i<26;++i,im<<=1);if(i>0)for(a.iushrn(i);i-- >0;)x1.isOdd()&&x1.iadd(delta),x1.iushrn(1);for(var j=0,jm=1;0==(b.words[0]&jm)&&j<26;++j,jm<<=1);if(j>0)for(b.iushrn(j);j-- >0;)x2.isOdd()&&x2.iadd(delta),x2.iushrn(1);a.cmp(b)>=0?(a.isub(b),x1.isub(x2)):(b.isub(a),x2.isub(x1))}var res;return(res=0===a.cmpn(1)?x1:x2).cmpn(0)<0&&res.iadd(p),res},BN.prototype.gcd=function(num){if(this.isZero())return num.abs();if(num.isZero())return this.abs();var a=this.clone(),b=num.clone();a.negative=0,b.negative=0;for(var shift=0;a.isEven()&&b.isEven();shift++)a.iushrn(1),b.iushrn(1);for(;;){for(;a.isEven();)a.iushrn(1);for(;b.isEven();)b.iushrn(1);var r=a.cmp(b);if(r<0){var t=a;a=b,b=t}else if(0===r||0===b.cmpn(1))break;a.isub(b)}return b.iushln(shift)},BN.prototype.invm=function(num){return this.egcd(num).a.umod(num)},BN.prototype.isEven=function(){return 0==(1&this.words[0])},BN.prototype.isOdd=function(){return 1==(1&this.words[0])},BN.prototype.andln=function(num){return this.words[0]&num},BN.prototype.bincn=function(bit){assert("number"==typeof bit);var r=bit%26,s=(bit-r)/26,q=1<<r;if(this.length<=s)return this._expand(s+1),this.words[s]|=q,this;for(var carry=q,i=s;0!==carry&&i<this.length;i++){var w=0|this.words[i];carry=(w+=carry)>>>26,w&=67108863,this.words[i]=w}return 0!==carry&&(this.words[i]=carry,this.length++),this},BN.prototype.isZero=function(){return 1===this.length&&0===this.words[0]},BN.prototype.cmpn=function(num){var negative=num<0;if(0!==this.negative&&!negative)return-1;if(0===this.negative&&negative)return 1;this.strip();var res;if(this.length>1)res=1;else{negative&&(num=-num),assert(num<=67108863,"Number is too big");var w=0|this.words[0];res=w===num?0:w<num?-1:1}return 0!==this.negative?0|-res:res},BN.prototype.cmp=function(num){if(0!==this.negative&&0===num.negative)return-1;if(0===this.negative&&0!==num.negative)return 1;var res=this.ucmp(num);return 0!==this.negative?0|-res:res},BN.prototype.ucmp=function(num){if(this.length>num.length)return 1;if(this.length<num.length)return-1;for(var res=0,i=this.length-1;i>=0;i--){var a=0|this.words[i],b=0|num.words[i];if(a!==b){a<b?res=-1:a>b&&(res=1);break}}return res},BN.prototype.gtn=function(num){return 1===this.cmpn(num)},BN.prototype.gt=function(num){return 1===this.cmp(num)},BN.prototype.gten=function(num){return this.cmpn(num)>=0},BN.prototype.gte=function(num){return this.cmp(num)>=0},BN.prototype.ltn=function(num){return-1===this.cmpn(num)},BN.prototype.lt=function(num){return-1===this.cmp(num)},BN.prototype.lten=function(num){return this.cmpn(num)<=0},BN.prototype.lte=function(num){return this.cmp(num)<=0},BN.prototype.eqn=function(num){return 0===this.cmpn(num)},BN.prototype.eq=function(num){return 0===this.cmp(num)},BN.red=function(num){return new Red(num)},BN.prototype.toRed=function(ctx){return assert(!this.red,"Already a number in reduction context"),assert(0===this.negative,"red works only with positives"),ctx.convertTo(this)._forceRed(ctx)},BN.prototype.fromRed=function(){return assert(this.red,"fromRed works only with numbers in reduction context"),this.red.convertFrom(this)},BN.prototype._forceRed=function(ctx){return this.red=ctx,this},BN.prototype.forceRed=function(ctx){return assert(!this.red,"Already a number in reduction context"),this._forceRed(ctx)},BN.prototype.redAdd=function(num){return assert(this.red,"redAdd works only with red numbers"),this.red.add(this,num)},BN.prototype.redIAdd=function(num){return assert(this.red,"redIAdd works only with red numbers"),this.red.iadd(this,num)},BN.prototype.redSub=function(num){return assert(this.red,"redSub works only with red numbers"),this.red.sub(this,num)},BN.prototype.redISub=function(num){return assert(this.red,"redISub works only with red numbers"),this.red.isub(this,num)},BN.prototype.redShl=function(num){return assert(this.red,"redShl works only with red numbers"),this.red.shl(this,num)},BN.prototype.redMul=function(num){return assert(this.red,"redMul works only with red numbers"),this.red._verify2(this,num),this.red.mul(this,num)},BN.prototype.redIMul=function(num){return assert(this.red,"redMul works only with red numbers"),this.red._verify2(this,num),this.red.imul(this,num)},BN.prototype.redSqr=function(){return assert(this.red,"redSqr works only with red numbers"),this.red._verify1(this),this.red.sqr(this)},BN.prototype.redISqr=function(){return assert(this.red,"redISqr works only with red numbers"),this.red._verify1(this),this.red.isqr(this)},BN.prototype.redSqrt=function(){return assert(this.red,"redSqrt works only with red numbers"),this.red._verify1(this),this.red.sqrt(this)},BN.prototype.redInvm=function(){return assert(this.red,"redInvm works only with red numbers"),this.red._verify1(this),this.red.invm(this)},BN.prototype.redNeg=function(){return assert(this.red,"redNeg works only with red numbers"),this.red._verify1(this),this.red.neg(this)},BN.prototype.redPow=function(num){return assert(this.red&&!num.red,"redPow(normalNum)"),this.red._verify1(this),this.red.pow(this,num)};var primes={k256:null,p224:null,p192:null,p25519:null};function MPrime(name,p){this.name=name,this.p=new BN(p,16),this.n=this.p.bitLength(),this.k=new BN(1).iushln(this.n).isub(this.p),this.tmp=this._tmp()}MPrime.prototype._tmp=function(){var tmp=new BN(null);return tmp.words=new Array(Math.ceil(this.n/13)),tmp},MPrime.prototype.ireduce=function(num){var rlen,r=num;do{this.split(r,this.tmp),rlen=(r=(r=this.imulK(r)).iadd(this.tmp)).bitLength()}while(rlen>this.n);var cmp=rlen<this.n?-1:r.ucmp(this.p);return 0===cmp?(r.words[0]=0,r.length=1):cmp>0?r.isub(this.p):r.strip(),r},MPrime.prototype.split=function(input,out){input.iushrn(this.n,0,out)},MPrime.prototype.imulK=function(num){return num.imul(this.k)};function K256(){MPrime.call(this,"k256","ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f")}inherits(K256,MPrime),K256.prototype.split=function(input,output){for(var outLen=Math.min(input.length,9),i=0;i<outLen;i++)output.words[i]=input.words[i];if(output.length=outLen,input.length<=9)return input.words[0]=0,void(input.length=1);var prev=input.words[9];for(output.words[output.length++]=4194303&prev,i=10;i<input.length;i++){var next=0|input.words[i];input.words[i-10]=(4194303&next)<<4|prev>>>22,prev=next}prev>>>=22,input.words[i-10]=prev,0===prev&&input.length>10?input.length-=10:input.length-=9},K256.prototype.imulK=function(num){num.words[num.length]=0,num.words[num.length+1]=0,num.length+=2;for(var lo=0,i=0;i<num.length;i++){var w=0|num.words[i];lo+=977*w,num.words[i]=67108863&lo,lo=64*w+(lo/67108864|0)}return 0===num.words[num.length-1]&&(num.length--,0===num.words[num.length-1]&&num.length--),num};function P224(){MPrime.call(this,"p224","ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001")}inherits(P224,MPrime);function P192(){MPrime.call(this,"p192","ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff")}inherits(P192,MPrime);function P25519(){MPrime.call(this,"25519","7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed")}inherits(P25519,MPrime),P25519.prototype.imulK=function(num){for(var carry=0,i=0;i<num.length;i++){var hi=19*(0|num.words[i])+carry,lo=67108863&hi;hi>>>=26,num.words[i]=lo,carry=hi}return 0!==carry&&(num.words[num.length++]=carry),num},BN._prime=function(name){if(primes[name])return primes[name];var prime;if("k256"===name)prime=new K256;else if("p224"===name)prime=new P224;else if("p192"===name)prime=new P192;else{if("p25519"!==name)throw new Error("Unknown prime "+name);prime=new P25519}return primes[name]=prime,prime};function Red(m){if("string"==typeof m){var prime=BN._prime(m);this.m=prime.p,this.prime=prime}else assert(m.gtn(1),"modulus must be greater than 1"),this.m=m,this.prime=null}Red.prototype._verify1=function(a){assert(0===a.negative,"red works only with positives"),assert(a.red,"red works only with red numbers")},Red.prototype._verify2=function(a,b){assert(0==(a.negative|b.negative),"red works only with positives"),assert(a.red&&a.red===b.red,"red works only with red numbers")},Red.prototype.imod=function(a){return this.prime?this.prime.ireduce(a)._forceRed(this):a.umod(this.m)._forceRed(this)},Red.prototype.neg=function(a){return a.isZero()?a.clone():this.m.sub(a)._forceRed(this)},Red.prototype.add=function(a,b){this._verify2(a,b);var res=a.add(b);return res.cmp(this.m)>=0&&res.isub(this.m),res._forceRed(this)},Red.prototype.iadd=function(a,b){this._verify2(a,b);var res=a.iadd(b);return res.cmp(this.m)>=0&&res.isub(this.m),res},Red.prototype.sub=function(a,b){this._verify2(a,b);var res=a.sub(b);return res.cmpn(0)<0&&res.iadd(this.m),res._forceRed(this)},Red.prototype.isub=function(a,b){this._verify2(a,b);var res=a.isub(b);return res.cmpn(0)<0&&res.iadd(this.m),res},Red.prototype.shl=function(a,num){return this._verify1(a),this.imod(a.ushln(num))},Red.prototype.imul=function(a,b){return this._verify2(a,b),this.imod(a.imul(b))},Red.prototype.mul=function(a,b){return this._verify2(a,b),this.imod(a.mul(b))},Red.prototype.isqr=function(a){return this.imul(a,a.clone())},Red.prototype.sqr=function(a){return this.mul(a,a)},Red.prototype.sqrt=function(a){if(a.isZero())return a.clone();var mod3=this.m.andln(3);if(assert(mod3%2==1),3===mod3){var pow=this.m.add(new BN(1)).iushrn(2);return this.pow(a,pow)}for(var q=this.m.subn(1),s=0;!q.isZero()&&0===q.andln(1);)s++,q.iushrn(1);assert(!q.isZero());var one=new BN(1).toRed(this),nOne=one.redNeg(),lpow=this.m.subn(1).iushrn(1),z=this.m.bitLength();for(z=new BN(2*z*z).toRed(this);0!==this.pow(z,lpow).cmp(nOne);)z.redIAdd(nOne);for(var c=this.pow(z,q),r=this.pow(a,q.addn(1).iushrn(1)),t=this.pow(a,q),m=s;0!==t.cmp(one);){for(var tmp=t,i=0;0!==tmp.cmp(one);i++)tmp=tmp.redSqr();assert(i<m);var b=this.pow(c,new BN(1).iushln(m-i-1));r=r.redMul(b),c=b.redSqr(),t=t.redMul(c),m=i}return r},Red.prototype.invm=function(a){var inv=a._invmp(this.m);return 0!==inv.negative?(inv.negative=0,this.imod(inv).redNeg()):this.imod(inv)},Red.prototype.pow=function(a,num){if(num.isZero())return new BN(1).toRed(this);if(0===num.cmpn(1))return a.clone();var wnd=new Array(16);wnd[0]=new BN(1).toRed(this),wnd[1]=a;for(var i=2;i<wnd.length;i++)wnd[i]=this.mul(wnd[i-1],a);var res=wnd[0],current=0,currentLen=0,start=num.bitLength()%26;for(0===start&&(start=26),i=num.length-1;i>=0;i--){for(var word=num.words[i],j=start-1;j>=0;j--){var bit=word>>j&1;res!==wnd[0]&&(res=this.sqr(res)),0!==bit||0!==current?(current<<=1,current|=bit,(4===++currentLen||0===i&&0===j)&&(res=this.mul(res,wnd[current]),currentLen=0,current=0)):currentLen=0}start=26}return res},Red.prototype.convertTo=function(num){var r=num.umod(this.m);return r===num?r.clone():r},Red.prototype.convertFrom=function(num){var res=num.clone();return res.red=null,res},BN.mont=function(num){return new Mont(num)};function Mont(m){Red.call(this,m),this.shift=this.m.bitLength(),this.shift%26!=0&&(this.shift+=26-this.shift%26),this.r=new BN(1).iushln(this.shift),this.r2=this.imod(this.r.sqr()),this.rinv=this.r._invmp(this.m),this.minv=this.rinv.mul(this.r).isubn(1).div(this.m),this.minv=this.minv.umod(this.r),this.minv=this.r.sub(this.minv)}inherits(Mont,Red),Mont.prototype.convertTo=function(num){return this.imod(num.ushln(this.shift))},Mont.prototype.convertFrom=function(num){var r=this.imod(num.mul(this.rinv));return r.red=null,r},Mont.prototype.imul=function(a,b){if(a.isZero()||b.isZero())return a.words[0]=0,a.length=1,a;var t=a.imul(b),c=t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m),u=t.isub(c).iushrn(this.shift),res=u;return u.cmp(this.m)>=0?res=u.isub(this.m):u.cmpn(0)<0&&(res=u.iadd(this.m)),res._forceRed(this)},Mont.prototype.mul=function(a,b){if(a.isZero()||b.isZero())return new BN(0)._forceRed(this);var t=a.mul(b),c=t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m),u=t.isub(c).iushrn(this.shift),res=u;return u.cmp(this.m)>=0?res=u.isub(this.m):u.cmpn(0)<0&&(res=u.iadd(this.m)),res._forceRed(this)},Mont.prototype.invm=function(a){return this.imod(a._invmp(this.m).mul(this.r2))._forceRed(this)}}(void 0===module||module,this)},{buffer:21}],16:[function(require,module,exports){(function(global){"use strict";function compare(a,b){if(a===b)return 0;for(var x=a.length,y=b.length,i=0,len=Math.min(x,y);i<len;++i)if(a[i]!==b[i]){x=a[i],y=b[i];break}return x<y?-1:y<x?1:0}function isBuffer(b){return global.Buffer&&"function"==typeof global.Buffer.isBuffer?global.Buffer.isBuffer(b):!(null==b||!b._isBuffer)}var util=require("util/"),hasOwn=Object.prototype.hasOwnProperty,pSlice=Array.prototype.slice,functionsHaveNames="foo"===function(){}.name;function pToString(obj){return Object.prototype.toString.call(obj)}function isView(arrbuf){return!isBuffer(arrbuf)&&("function"==typeof global.ArrayBuffer&&("function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(arrbuf):!!arrbuf&&(arrbuf instanceof DataView||!!(arrbuf.buffer&&arrbuf.buffer instanceof ArrayBuffer))))}var assert=module.exports=ok,regex=/\s*function\s+([^\(\s]*)\s*/;function getName(func){if(util.isFunction(func)){if(functionsHaveNames)return func.name;var match=func.toString().match(regex);return match&&match[1]}}assert.AssertionError=function(options){this.name="AssertionError",this.actual=options.actual,this.expected=options.expected,this.operator=options.operator,options.message?(this.message=options.message,this.generatedMessage=!1):(this.message=(self=this,truncate(inspect(self.actual),128)+" "+self.operator+" "+truncate(inspect(self.expected),128)),this.generatedMessage=!0);var self,stackStartFunction=options.stackStartFunction||fail;if(Error.captureStackTrace)Error.captureStackTrace(this,stackStartFunction);else{var err=new Error;if(err.stack){var out=err.stack,fn_name=getName(stackStartFunction),idx=out.indexOf("\n"+fn_name);if(idx>=0){var next_line=out.indexOf("\n",idx+1);out=out.substring(next_line+1)}this.stack=out}}},util.inherits(assert.AssertionError,Error);function truncate(s,n){return"string"==typeof s?s.length<n?s:s.slice(0,n):s}function inspect(something){if(functionsHaveNames||!util.isFunction(something))return util.inspect(something);var rawname=getName(something);return"[Function"+(rawname?": "+rawname:"")+"]"}function fail(actual,expected,message,operator,stackStartFunction){throw new assert.AssertionError({message:message,actual:actual,expected:expected,operator:operator,stackStartFunction:stackStartFunction})}assert.fail=fail;function ok(value,message){value||fail(value,!0,message,"==",assert.ok)}assert.ok=ok,assert.equal=function(actual,expected,message){actual!=expected&&fail(actual,expected,message,"==",assert.equal)},assert.notEqual=function(actual,expected,message){actual==expected&&fail(actual,expected,message,"!=",assert.notEqual)},assert.deepEqual=function(actual,expected,message){_deepEqual(actual,expected,!1)||fail(actual,expected,message,"deepEqual",assert.deepEqual)},assert.deepStrictEqual=function(actual,expected,message){_deepEqual(actual,expected,!0)||fail(actual,expected,message,"deepStrictEqual",assert.deepStrictEqual)};function _deepEqual(actual,expected,strict,memos){if(actual===expected)return!0;if(isBuffer(actual)&&isBuffer(expected))return 0===compare(actual,expected);if(util.isDate(actual)&&util.isDate(expected))return actual.getTime()===expected.getTime();if(util.isRegExp(actual)&&util.isRegExp(expected))return actual.source===expected.source&&actual.global===expected.global&&actual.multiline===expected.multiline&&actual.lastIndex===expected.lastIndex&&actual.ignoreCase===expected.ignoreCase;if(null!==actual&&"object"==typeof actual||null!==expected&&"object"==typeof expected){if(isView(actual)&&isView(expected)&&pToString(actual)===pToString(expected)&&!(actual instanceof Float32Array||actual instanceof Float64Array))return 0===compare(new Uint8Array(actual.buffer),new Uint8Array(expected.buffer));if(isBuffer(actual)!==isBuffer(expected))return!1;var actualIndex=(memos=memos||{actual:[],expected:[]}).actual.indexOf(actual);return-1!==actualIndex&&actualIndex===memos.expected.indexOf(expected)||(memos.actual.push(actual),memos.expected.push(expected),function(a,b,strict,actualVisitedObjects){if(null===a||void 0===a||null===b||void 0===b)return!1;if(util.isPrimitive(a)||util.isPrimitive(b))return a===b;if(strict&&Object.getPrototypeOf(a)!==Object.getPrototypeOf(b))return!1;var aIsArgs=isArguments(a),bIsArgs=isArguments(b);if(aIsArgs&&!bIsArgs||!aIsArgs&&bIsArgs)return!1;if(aIsArgs)return a=pSlice.call(a),b=pSlice.call(b),_deepEqual(a,b,strict);var key,i,ka=objectKeys(a),kb=objectKeys(b);if(ka.length!==kb.length)return!1;for(ka.sort(),kb.sort(),i=ka.length-1;i>=0;i--)if(ka[i]!==kb[i])return!1;for(i=ka.length-1;i>=0;i--)if(key=ka[i],!_deepEqual(a[key],b[key],strict,actualVisitedObjects))return!1;return!0}(actual,expected,strict,memos))}return strict?actual===expected:actual==expected}function isArguments(object){return"[object Arguments]"==Object.prototype.toString.call(object)}assert.notDeepEqual=function(actual,expected,message){_deepEqual(actual,expected,!1)&&fail(actual,expected,message,"notDeepEqual",assert.notDeepEqual)},assert.notDeepStrictEqual=function notDeepStrictEqual(actual,expected,message){_deepEqual(actual,expected,!0)&&fail(actual,expected,message,"notDeepStrictEqual",notDeepStrictEqual)};assert.strictEqual=function(actual,expected,message){actual!==expected&&fail(actual,expected,message,"===",assert.strictEqual)},assert.notStrictEqual=function(actual,expected,message){actual===expected&&fail(actual,expected,message,"!==",assert.notStrictEqual)};function expectedException(actual,expected){if(!actual||!expected)return!1;if("[object RegExp]"==Object.prototype.toString.call(expected))return expected.test(actual);try{if(actual instanceof expected)return!0}catch(e){}return!Error.isPrototypeOf(expected)&&!0===expected.call({},actual)}function _throws(shouldThrow,block,expected,message){var actual;if("function"!=typeof block)throw new TypeError('"block" argument must be a function');"string"==typeof expected&&(message=expected,expected=null),actual=function(block){var error;try{block()}catch(e){error=e}return error}(block),message=(expected&&expected.name?" ("+expected.name+").":".")+(message?" "+message:"."),shouldThrow&&!actual&&fail(actual,expected,"Missing expected exception"+message);var userProvidedMessage="string"==typeof message,isUnwantedException=!shouldThrow&&util.isError(actual),isUnexpectedException=!shouldThrow&&actual&&!expected;if((isUnwantedException&&userProvidedMessage&&expectedException(actual,expected)||isUnexpectedException)&&fail(actual,expected,"Got unwanted exception"+message),shouldThrow&&actual&&expected&&!expectedException(actual,expected)||!shouldThrow&&actual)throw actual}assert.throws=function(block,error,message){_throws(!0,block,error,message)},assert.doesNotThrow=function(block,error,message){_throws(!1,block,error,message)},assert.ifError=function(err){if(err)throw err};var objectKeys=Object.keys||function(obj){var keys=[];for(var key in obj)hasOwn.call(obj,key)&&keys.push(key);return keys}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"util/":211}],17:[function(require,module,exports){"use strict";exports.byteLength=function(b64){return 3*b64.length/4-placeHoldersCount(b64)},exports.toByteArray=function(b64){var i,l,tmp,placeHolders,arr,len=b64.length;placeHolders=placeHoldersCount(b64),arr=new Arr(3*len/4-placeHolders),l=placeHolders>0?len-4:len;var L=0;for(i=0;i<l;i+=4)tmp=revLookup[b64.charCodeAt(i)]<<18|revLookup[b64.charCodeAt(i+1)]<<12|revLookup[b64.charCodeAt(i+2)]<<6|revLookup[b64.charCodeAt(i+3)],arr[L++]=tmp>>16&255,arr[L++]=tmp>>8&255,arr[L++]=255&tmp;2===placeHolders?(tmp=revLookup[b64.charCodeAt(i)]<<2|revLookup[b64.charCodeAt(i+1)]>>4,arr[L++]=255&tmp):1===placeHolders&&(tmp=revLookup[b64.charCodeAt(i)]<<10|revLookup[b64.charCodeAt(i+1)]<<4|revLookup[b64.charCodeAt(i+2)]>>2,arr[L++]=tmp>>8&255,arr[L++]=255&tmp);return arr},exports.fromByteArray=function(uint8){for(var tmp,len=uint8.length,extraBytes=len%3,output="",parts=[],i=0,len2=len-extraBytes;i<len2;i+=16383)parts.push(encodeChunk(uint8,i,i+16383>len2?len2:i+16383));1===extraBytes?(tmp=uint8[len-1],output+=lookup[tmp>>2],output+=lookup[tmp<<4&63],output+="=="):2===extraBytes&&(tmp=(uint8[len-2]<<8)+uint8[len-1],output+=lookup[tmp>>10],output+=lookup[tmp>>4&63],output+=lookup[tmp<<2&63],output+="=");return parts.push(output),parts.join("")};for(var lookup=[],revLookup=[],Arr="undefined"!=typeof Uint8Array?Uint8Array:Array,code="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",i=0,len=code.length;i<len;++i)lookup[i]=code[i],revLookup[code.charCodeAt(i)]=i;revLookup["-".charCodeAt(0)]=62,revLookup["_".charCodeAt(0)]=63;function placeHoldersCount(b64){var len=b64.length;if(len%4>0)throw new Error("Invalid string. Length must be a multiple of 4");return"="===b64[len-2]?2:"="===b64[len-1]?1:0}function encodeChunk(uint8,start,end){for(var tmp,output=[],i=start;i<end;i+=3)tmp=(uint8[i]<<16)+(uint8[i+1]<<8)+uint8[i+2],output.push(lookup[(num=tmp)>>18&63]+lookup[num>>12&63]+lookup[num>>6&63]+lookup[63&num]);var num;return output.join("")}},{}],18:[function(require,module,exports){var bigInt=function(undefined){"use strict";var BASE=1e7,LOG_BASE=7,MAX_INT=9007199254740992,MAX_INT_ARR=smallToArray(MAX_INT),LOG_MAX_INT=Math.log(MAX_INT);function Integer(v,radix){return void 0===v?Integer[0]:void 0!==radix?10==+radix?parseValue(v):parseBase(v,radix):parseValue(v)}function BigInteger(value,sign){this.value=value,this.sign=sign,this.isSmall=!1}BigInteger.prototype=Object.create(Integer.prototype);function SmallInteger(value){this.value=value,this.sign=value<0,this.isSmall=!0}SmallInteger.prototype=Object.create(Integer.prototype);function isPrecise(n){return-MAX_INT<n&&n<MAX_INT}function smallToArray(n){return n<1e7?[n]:n<1e14?[n%1e7,Math.floor(n/1e7)]:[n%1e7,Math.floor(n/1e7)%1e7,Math.floor(n/1e14)]}function arrayToSmall(arr){trim(arr);var length=arr.length;if(length<4&&compareAbs(arr,MAX_INT_ARR)<0)switch(length){case 0:return 0;case 1:return arr[0];case 2:return arr[0]+arr[1]*BASE;default:return arr[0]+(arr[1]+arr[2]*BASE)*BASE}return arr}function trim(v){for(var i=v.length;0===v[--i];);v.length=i+1}function createArray(length){for(var x=new Array(length),i=-1;++i<length;)x[i]=0;return x}function truncate(n){return n>0?Math.floor(n):Math.ceil(n)}function add(a,b){var sum,i,l_a=a.length,l_b=b.length,r=new Array(l_a),carry=0,base=BASE;for(i=0;i<l_b;i++)carry=(sum=a[i]+b[i]+carry)>=base?1:0,r[i]=sum-carry*base;for(;i<l_a;)carry=(sum=a[i]+carry)===base?1:0,r[i++]=sum-carry*base;return carry>0&&r.push(carry),r}function addAny(a,b){return a.length>=b.length?add(a,b):add(b,a)}function addSmall(a,carry){var sum,i,l=a.length,r=new Array(l),base=BASE;for(i=0;i<l;i++)sum=a[i]-base+carry,carry=Math.floor(sum/base),r[i]=sum-carry*base,carry+=1;for(;carry>0;)r[i++]=carry%base,carry=Math.floor(carry/base);return r}BigInteger.prototype.add=function(v){var n=parseValue(v);if(this.sign!==n.sign)return this.subtract(n.negate());var a=this.value,b=n.value;return n.isSmall?new BigInteger(addSmall(a,Math.abs(b)),this.sign):new BigInteger(addAny(a,b),this.sign)},BigInteger.prototype.plus=BigInteger.prototype.add,SmallInteger.prototype.add=function(v){var n=parseValue(v),a=this.value;if(a<0!==n.sign)return this.subtract(n.negate());var b=n.value;if(n.isSmall){if(isPrecise(a+b))return new SmallInteger(a+b);b=smallToArray(Math.abs(b))}return new BigInteger(addSmall(b,Math.abs(a)),a<0)},SmallInteger.prototype.plus=SmallInteger.prototype.add;function subtract(a,b){var i,difference,a_l=a.length,b_l=b.length,r=new Array(a_l),borrow=0,base=BASE;for(i=0;i<b_l;i++)(difference=a[i]-borrow-b[i])<0?(difference+=base,borrow=1):borrow=0,r[i]=difference;for(i=b_l;i<a_l;i++){if(!((difference=a[i]-borrow)<0)){r[i++]=difference;break}difference+=base,r[i]=difference}for(;i<a_l;i++)r[i]=a[i];return trim(r),r}function subtractSmall(a,b,sign){var i,difference,l=a.length,r=new Array(l),carry=-b,base=BASE;for(i=0;i<l;i++)difference=a[i]+carry,carry=Math.floor(difference/base),difference%=base,r[i]=difference<0?difference+base:difference;return"number"==typeof(r=arrayToSmall(r))?(sign&&(r=-r),new SmallInteger(r)):new BigInteger(r,sign)}BigInteger.prototype.subtract=function(v){var n=parseValue(v);if(this.sign!==n.sign)return this.add(n.negate());var a=this.value,b=n.value;return n.isSmall?subtractSmall(a,Math.abs(b),this.sign):function(a,b,sign){var value;return compareAbs(a,b)>=0?value=subtract(a,b):(value=subtract(b,a),sign=!sign),"number"==typeof(value=arrayToSmall(value))?(sign&&(value=-value),new SmallInteger(value)):new BigInteger(value,sign)}(a,b,this.sign)},BigInteger.prototype.minus=BigInteger.prototype.subtract,SmallInteger.prototype.subtract=function(v){var n=parseValue(v),a=this.value;if(a<0!==n.sign)return this.add(n.negate());var b=n.value;return n.isSmall?new SmallInteger(a-b):subtractSmall(b,Math.abs(a),a>=0)},SmallInteger.prototype.minus=SmallInteger.prototype.subtract,BigInteger.prototype.negate=function(){return new BigInteger(this.value,!this.sign)},SmallInteger.prototype.negate=function(){var sign=this.sign,small=new SmallInteger(-this.value);return small.sign=!sign,small},BigInteger.prototype.abs=function(){return new BigInteger(this.value,!1)},SmallInteger.prototype.abs=function(){return new SmallInteger(Math.abs(this.value))};function multiplyLong(a,b){var product,carry,i,a_i,a_l=a.length,b_l=b.length,r=createArray(a_l+b_l),base=BASE;for(i=0;i<a_l;++i){a_i=a[i];for(var j=0;j<b_l;++j)product=a_i*b[j]+r[i+j],carry=Math.floor(product/base),r[i+j]=product-carry*base,r[i+j+1]+=carry}return trim(r),r}function multiplySmall(a,b){var product,i,l=a.length,r=new Array(l),base=BASE,carry=0;for(i=0;i<l;i++)product=a[i]*b+carry,carry=Math.floor(product/base),r[i]=product-carry*base;for(;carry>0;)r[i++]=carry%base,carry=Math.floor(carry/base);return r}function shiftLeft(x,n){for(var r=[];n-- >0;)r.push(0);return r.concat(x)}BigInteger.prototype.multiply=function(v){var abs,n=parseValue(v),a=this.value,b=n.value,sign=this.sign!==n.sign;if(n.isSmall){if(0===b)return Integer[0];if(1===b)return this;if(-1===b)return this.negate();if((abs=Math.abs(b))<BASE)return new BigInteger(multiplySmall(a,abs),sign);b=smallToArray(abs)}if(l1=a.length,l2=b.length,-.012*l1-.012*l2+15e-6*l1*l2>0)return new BigInteger(function multiplyKaratsuba(x,y){var n=Math.max(x.length,y.length);if(n<=30)return multiplyLong(x,y);n=Math.ceil(n/2);var b=x.slice(n),a=x.slice(0,n),d=y.slice(n),c=y.slice(0,n),ac=multiplyKaratsuba(a,c),bd=multiplyKaratsuba(b,d),product=addAny(addAny(ac,shiftLeft(subtract(subtract(multiplyKaratsuba(addAny(a,b),addAny(c,d)),ac),bd),n)),shiftLeft(bd,2*n));return trim(product),product}(a,b),sign);var l1,l2;return new BigInteger(multiplyLong(a,b),sign)},BigInteger.prototype.times=BigInteger.prototype.multiply;function multiplySmallAndArray(a,b,sign){return new BigInteger(a<BASE?multiplySmall(b,a):multiplyLong(b,smallToArray(a)),sign)}SmallInteger.prototype._multiplyBySmall=function(a){return isPrecise(a.value*this.value)?new SmallInteger(a.value*this.value):multiplySmallAndArray(Math.abs(a.value),smallToArray(Math.abs(this.value)),this.sign!==a.sign)},BigInteger.prototype._multiplyBySmall=function(a){return 0===a.value?Integer[0]:1===a.value?this:-1===a.value?this.negate():multiplySmallAndArray(Math.abs(a.value),this.value,this.sign!==a.sign)},SmallInteger.prototype.multiply=function(v){return parseValue(v)._multiplyBySmall(this)},SmallInteger.prototype.times=SmallInteger.prototype.multiply;function square(a){var product,carry,i,a_i,l=a.length,r=createArray(l+l),base=BASE;for(i=0;i<l;i++){a_i=a[i];for(var j=0;j<l;j++)product=a_i*a[j]+r[i+j],carry=Math.floor(product/base),r[i+j]=product-carry*base,r[i+j+1]+=carry}return trim(r),r}BigInteger.prototype.square=function(){return new BigInteger(square(this.value),!1)},SmallInteger.prototype.square=function(){var value=this.value*this.value;return isPrecise(value)?new SmallInteger(value):new BigInteger(square(smallToArray(Math.abs(this.value))),!1)};function divModSmall(value,lambda){var i,q,remainder,divisor,length=value.length,quotient=createArray(length),base=BASE;for(remainder=0,i=length-1;i>=0;--i)remainder=(divisor=remainder*base+value[i])-(q=truncate(divisor/lambda))*lambda,quotient[i]=0|q;return[quotient,0|remainder]}function divModAny(self,v){var value,quotient,n=parseValue(v),a=self.value,b=n.value;if(0===b)throw new Error("Cannot divide by zero");if(self.isSmall)return n.isSmall?[new SmallInteger(truncate(a/b)),new SmallInteger(a%b)]:[Integer[0],self];if(n.isSmall){if(1===b)return[self,Integer[0]];if(-1==b)return[self.negate(),Integer[0]];var abs=Math.abs(b);if(abs<BASE){quotient=arrayToSmall((value=divModSmall(a,abs))[0]);var remainder=value[1];return self.sign&&(remainder=-remainder),"number"==typeof quotient?(self.sign!==n.sign&&(quotient=-quotient),[new SmallInteger(quotient),new SmallInteger(remainder)]):[new BigInteger(quotient,self.sign!==n.sign),new SmallInteger(remainder)]}b=smallToArray(abs)}var comparison=compareAbs(a,b);if(-1===comparison)return[Integer[0],self];if(0===comparison)return[Integer[self.sign===n.sign?1:-1],Integer[0]];quotient=(value=a.length+b.length<=200?function(a,b){var quotientDigit,shift,carry,borrow,i,l,q,a_l=a.length,b_l=b.length,base=BASE,result=createArray(b.length),divisorMostSignificantDigit=b[b_l-1],lambda=Math.ceil(base/(2*divisorMostSignificantDigit)),remainder=multiplySmall(a,lambda),divisor=multiplySmall(b,lambda);for(remainder.length<=a_l&&remainder.push(0),divisor.push(0),divisorMostSignificantDigit=divisor[b_l-1],shift=a_l-b_l;shift>=0;shift--){for(quotientDigit=base-1,remainder[shift+b_l]!==divisorMostSignificantDigit&&(quotientDigit=Math.floor((remainder[shift+b_l]*base+remainder[shift+b_l-1])/divisorMostSignificantDigit)),carry=0,borrow=0,l=divisor.length,i=0;i<l;i++)carry+=quotientDigit*divisor[i],q=Math.floor(carry/base),borrow+=remainder[shift+i]-(carry-q*base),carry=q,borrow<0?(remainder[shift+i]=borrow+base,borrow=-1):(remainder[shift+i]=borrow,borrow=0);for(;0!==borrow;){for(quotientDigit-=1,carry=0,i=0;i<l;i++)(carry+=remainder[shift+i]-base+divisor[i])<0?(remainder[shift+i]=carry+base,carry=0):(remainder[shift+i]=carry,carry=1);borrow+=carry}result[shift]=quotientDigit}return remainder=divModSmall(remainder,lambda)[0],[arrayToSmall(result),arrayToSmall(remainder)]}(a,b):function(a,b){for(var guess,xlen,highx,highy,check,a_l=a.length,b_l=b.length,result=[],part=[],base=BASE;a_l;)if(part.unshift(a[--a_l]),trim(part),compareAbs(part,b)<0)result.push(0);else{highx=part[(xlen=part.length)-1]*base+part[xlen-2],highy=b[b_l-1]*base+b[b_l-2],xlen>b_l&&(highx=(highx+1)*base),guess=Math.ceil(highx/highy);do{if(compareAbs(check=multiplySmall(b,guess),part)<=0)break;guess--}while(guess);result.push(guess),part=subtract(part,check)}return result.reverse(),[arrayToSmall(result),arrayToSmall(part)]}(a,b))[0];var qSign=self.sign!==n.sign,mod=value[1],mSign=self.sign;return"number"==typeof quotient?(qSign&&(quotient=-quotient),quotient=new SmallInteger(quotient)):quotient=new BigInteger(quotient,qSign),"number"==typeof mod?(mSign&&(mod=-mod),mod=new SmallInteger(mod)):mod=new BigInteger(mod,mSign),[quotient,mod]}BigInteger.prototype.divmod=function(v){var result=divModAny(this,v);return{quotient:result[0],remainder:result[1]}},SmallInteger.prototype.divmod=BigInteger.prototype.divmod,BigInteger.prototype.divide=function(v){return divModAny(this,v)[0]},SmallInteger.prototype.over=SmallInteger.prototype.divide=BigInteger.prototype.over=BigInteger.prototype.divide,BigInteger.prototype.mod=function(v){return divModAny(this,v)[1]},SmallInteger.prototype.remainder=SmallInteger.prototype.mod=BigInteger.prototype.remainder=BigInteger.prototype.mod,BigInteger.prototype.pow=function(v){var value,x,y,n=parseValue(v),a=this.value,b=n.value;if(0===b)return Integer[1];if(0===a)return Integer[0];if(1===a)return Integer[1];if(-1===a)return n.isEven()?Integer[1]:Integer[-1];if(n.sign)return Integer[0];if(!n.isSmall)throw new Error("The exponent "+n.toString()+" is too large.");if(this.isSmall&&isPrecise(value=Math.pow(a,b)))return new SmallInteger(truncate(value));for(x=this,y=Integer[1];!0&b&&(y=y.times(x),--b),0!==b;)b/=2,x=x.square();return y},SmallInteger.prototype.pow=BigInteger.prototype.pow,BigInteger.prototype.modPow=function(exp,mod){if(exp=parseValue(exp),(mod=parseValue(mod)).isZero())throw new Error("Cannot take modPow with modulus 0");for(var r=Integer[1],base=this.mod(mod);exp.isPositive();){if(base.isZero())return Integer[0];exp.isOdd()&&(r=r.multiply(base).mod(mod)),exp=exp.divide(2),base=base.square().mod(mod)}return r},SmallInteger.prototype.modPow=BigInteger.prototype.modPow;function compareAbs(a,b){if(a.length!==b.length)return a.length>b.length?1:-1;for(var i=a.length-1;i>=0;i--)if(a[i]!==b[i])return a[i]>b[i]?1:-1;return 0}BigInteger.prototype.compareAbs=function(v){var n=parseValue(v),a=this.value,b=n.value;return n.isSmall?1:compareAbs(a,b)},SmallInteger.prototype.compareAbs=function(v){var n=parseValue(v),a=Math.abs(this.value),b=n.value;return n.isSmall?a===(b=Math.abs(b))?0:a>b?1:-1:-1},BigInteger.prototype.compare=function(v){if(v===1/0)return-1;if(v===-1/0)return 1;var n=parseValue(v),a=this.value,b=n.value;return this.sign!==n.sign?n.sign?1:-1:n.isSmall?this.sign?-1:1:compareAbs(a,b)*(this.sign?-1:1)},BigInteger.prototype.compareTo=BigInteger.prototype.compare,SmallInteger.prototype.compare=function(v){if(v===1/0)return-1;if(v===-1/0)return 1;var n=parseValue(v),a=this.value,b=n.value;return n.isSmall?a==b?0:a>b?1:-1:a<0!==n.sign?a<0?-1:1:a<0?1:-1},SmallInteger.prototype.compareTo=SmallInteger.prototype.compare,BigInteger.prototype.equals=function(v){return 0===this.compare(v)},SmallInteger.prototype.eq=SmallInteger.prototype.equals=BigInteger.prototype.eq=BigInteger.prototype.equals,BigInteger.prototype.notEquals=function(v){return 0!==this.compare(v)},SmallInteger.prototype.neq=SmallInteger.prototype.notEquals=BigInteger.prototype.neq=BigInteger.prototype.notEquals,BigInteger.prototype.greater=function(v){return this.compare(v)>0},SmallInteger.prototype.gt=SmallInteger.prototype.greater=BigInteger.prototype.gt=BigInteger.prototype.greater,BigInteger.prototype.lesser=function(v){return this.compare(v)<0},SmallInteger.prototype.lt=SmallInteger.prototype.lesser=BigInteger.prototype.lt=BigInteger.prototype.lesser,BigInteger.prototype.greaterOrEquals=function(v){return this.compare(v)>=0},SmallInteger.prototype.geq=SmallInteger.prototype.greaterOrEquals=BigInteger.prototype.geq=BigInteger.prototype.greaterOrEquals,BigInteger.prototype.lesserOrEquals=function(v){return this.compare(v)<=0},SmallInteger.prototype.leq=SmallInteger.prototype.lesserOrEquals=BigInteger.prototype.leq=BigInteger.prototype.lesserOrEquals,BigInteger.prototype.isEven=function(){return 0==(1&this.value[0])},SmallInteger.prototype.isEven=function(){return 0==(1&this.value)},BigInteger.prototype.isOdd=function(){return 1==(1&this.value[0])},SmallInteger.prototype.isOdd=function(){return 1==(1&this.value)},BigInteger.prototype.isPositive=function(){return!this.sign},SmallInteger.prototype.isPositive=function(){return this.value>0},BigInteger.prototype.isNegative=function(){return this.sign},SmallInteger.prototype.isNegative=function(){return this.value<0},BigInteger.prototype.isUnit=function(){return!1},SmallInteger.prototype.isUnit=function(){return 1===Math.abs(this.value)},BigInteger.prototype.isZero=function(){return!1},SmallInteger.prototype.isZero=function(){return 0===this.value},BigInteger.prototype.isDivisibleBy=function(v){var n=parseValue(v),value=n.value;return 0!==value&&(1===value||(2===value?this.isEven():this.mod(n).equals(Integer[0])))},SmallInteger.prototype.isDivisibleBy=BigInteger.prototype.isDivisibleBy;function isBasicPrime(v){var n=v.abs();return!n.isUnit()&&(!!(n.equals(2)||n.equals(3)||n.equals(5))||!(n.isEven()||n.isDivisibleBy(3)||n.isDivisibleBy(5))&&(!!n.lesser(25)||void 0))}BigInteger.prototype.isPrime=function(){var isPrime=isBasicPrime(this);if(void 0!==isPrime)return isPrime;for(var d,t,i,x,n=this.abs(),nPrev=n.prev(),a=[2,3,5,7,11,13,17,19],b=nPrev;b.isEven();)b=b.divide(2);for(i=0;i<a.length;i++)if(!(x=bigInt(a[i]).modPow(b,n)).equals(Integer[1])&&!x.equals(nPrev)){for(t=!0,d=b;t&&d.lesser(nPrev);d=d.multiply(2))(x=x.square().mod(n)).equals(nPrev)&&(t=!1);if(t)return!1}return!0},SmallInteger.prototype.isPrime=BigInteger.prototype.isPrime,BigInteger.prototype.isProbablePrime=function(iterations){var isPrime=isBasicPrime(this);if(void 0!==isPrime)return isPrime;for(var n=this.abs(),t=void 0===iterations?5:iterations,i=0;i<t;i++){if(!bigInt.randBetween(2,n.minus(2)).modPow(n.prev(),n).isUnit())return!1}return!0},SmallInteger.prototype.isProbablePrime=BigInteger.prototype.isProbablePrime,BigInteger.prototype.modInv=function(n){for(var q,lastT,lastR,t=bigInt.zero,newT=bigInt.one,r=parseValue(n),newR=this.abs();!newR.equals(bigInt.zero);)q=r.divide(newR),lastT=t,lastR=r,t=newT,r=newR,newT=lastT.subtract(q.multiply(newT)),newR=lastR.subtract(q.multiply(newR));if(!r.equals(1))throw new Error(this.toString()+" and "+n.toString()+" are not co-prime");return-1===t.compare(0)&&(t=t.add(n)),this.isNegative()?t.negate():t},SmallInteger.prototype.modInv=BigInteger.prototype.modInv,BigInteger.prototype.next=function(){var value=this.value;return this.sign?subtractSmall(value,1,this.sign):new BigInteger(addSmall(value,1),this.sign)},SmallInteger.prototype.next=function(){var value=this.value;return value+1<MAX_INT?new SmallInteger(value+1):new BigInteger(MAX_INT_ARR,!1)},BigInteger.prototype.prev=function(){var value=this.value;return this.sign?new BigInteger(addSmall(value,1),!0):subtractSmall(value,1,this.sign)},SmallInteger.prototype.prev=function(){var value=this.value;return value-1>-MAX_INT?new SmallInteger(value-1):new BigInteger(MAX_INT_ARR,!0)};for(var powersOfTwo=[1];2*powersOfTwo[powersOfTwo.length-1]<=BASE;)powersOfTwo.push(2*powersOfTwo[powersOfTwo.length-1]);var powers2Length=powersOfTwo.length,highestPower2=powersOfTwo[powers2Length-1];function shift_isSmall(n){return("number"==typeof n||"string"==typeof n)&&+Math.abs(n)<=BASE||n instanceof BigInteger&&n.value.length<=1}BigInteger.prototype.shiftLeft=function(n){if(!shift_isSmall(n))throw new Error(String(n)+" is too large for shifting.");if((n=+n)<0)return this.shiftRight(-n);for(var result=this;n>=powers2Length;)result=result.multiply(highestPower2),n-=powers2Length-1;return result.multiply(powersOfTwo[n])},SmallInteger.prototype.shiftLeft=BigInteger.prototype.shiftLeft,BigInteger.prototype.shiftRight=function(n){var remQuo;if(!shift_isSmall(n))throw new Error(String(n)+" is too large for shifting.");if((n=+n)<0)return this.shiftLeft(-n);for(var result=this;n>=powers2Length;){if(result.isZero())return result;result=(remQuo=divModAny(result,highestPower2))[1].isNegative()?remQuo[0].prev():remQuo[0],n-=powers2Length-1}return(remQuo=divModAny(result,powersOfTwo[n]))[1].isNegative()?remQuo[0].prev():remQuo[0]},SmallInteger.prototype.shiftRight=BigInteger.prototype.shiftRight;function bitwise(x,y,fn){y=parseValue(y);for(var xSign=x.isNegative(),ySign=y.isNegative(),xRem=xSign?x.not():x,yRem=ySign?y.not():y,xDigit=0,yDigit=0,xDivMod=null,yDivMod=null,result=[];!xRem.isZero()||!yRem.isZero();)xDigit=(xDivMod=divModAny(xRem,highestPower2))[1].toJSNumber(),xSign&&(xDigit=highestPower2-1-xDigit),yDigit=(yDivMod=divModAny(yRem,highestPower2))[1].toJSNumber(),ySign&&(yDigit=highestPower2-1-yDigit),xRem=xDivMod[0],yRem=yDivMod[0],result.push(fn(xDigit,yDigit));for(var sum=0!==fn(xSign?1:0,ySign?1:0)?bigInt(-1):bigInt(0),i=result.length-1;i>=0;i-=1)sum=sum.multiply(highestPower2).add(bigInt(result[i]));return sum}BigInteger.prototype.not=function(){return this.negate().prev()},SmallInteger.prototype.not=BigInteger.prototype.not,BigInteger.prototype.and=function(n){return bitwise(this,n,function(a,b){return a&b})},SmallInteger.prototype.and=BigInteger.prototype.and,BigInteger.prototype.or=function(n){return bitwise(this,n,function(a,b){return a|b})},SmallInteger.prototype.or=BigInteger.prototype.or,BigInteger.prototype.xor=function(n){return bitwise(this,n,function(a,b){return a^b})},SmallInteger.prototype.xor=BigInteger.prototype.xor;var LOBMASK_I=1<<30,LOBMASK_BI=(BASE&-BASE)*(BASE&-BASE)|LOBMASK_I;function roughLOB(n){var v=n.value,x="number"==typeof v?v|LOBMASK_I:v[0]+v[1]*BASE|LOBMASK_BI;return x&-x}function max(a,b){return a=parseValue(a),b=parseValue(b),a.greater(b)?a:b}function min(a,b){return a=parseValue(a),b=parseValue(b),a.lesser(b)?a:b}function gcd(a,b){if(a=parseValue(a).abs(),b=parseValue(b).abs(),a.equals(b))return a;if(a.isZero())return b;if(b.isZero())return a;for(var d,t,c=Integer[1];a.isEven()&&b.isEven();)d=Math.min(roughLOB(a),roughLOB(b)),a=a.divide(d),b=b.divide(d),c=c.multiply(d);for(;a.isEven();)a=a.divide(roughLOB(a));do{for(;b.isEven();)b=b.divide(roughLOB(b));a.greater(b)&&(t=b,b=a,a=t),b=b.subtract(a)}while(!b.isZero());return c.isUnit()?a:a.multiply(c)}var parseBase=function(text,base){for(var length=text.length,absBase=Math.abs(base),i=0;i<length;i++){if("-"!==(c=text[i].toLowerCase())&&/[a-z0-9]/.test(c)){if(/[0-9]/.test(c)&&+c>=absBase){if("1"===c&&1===absBase)continue;throw new Error(c+" is not a valid digit in base "+base+".")}if(c.charCodeAt(0)-87>=absBase)throw new Error(c+" is not a valid digit in base "+base+".")}}if(2<=base&&base<=36&&length<=LOG_MAX_INT/Math.log(base)){var result=parseInt(text,base);if(isNaN(result))throw new Error(c+" is not a valid digit in base "+base+".");return new SmallInteger(parseInt(text,base))}base=parseValue(base);var digits=[],isNegative="-"===text[0];for(i=isNegative?1:0;i<text.length;i++){var c,charCode=(c=text[i].toLowerCase()).charCodeAt(0);if(48<=charCode&&charCode<=57)digits.push(parseValue(c));else if(97<=charCode&&charCode<=122)digits.push(parseValue(c.charCodeAt(0)-87));else{if("<"!==c)throw new Error(c+" is not a valid character");var start=i;do{i++}while(">"!==text[i]);digits.push(parseValue(text.slice(start+1,i)))}}return parseBaseFromArray(digits,base,isNegative)};function parseBaseFromArray(digits,base,isNegative){var i,val=Integer[0],pow=Integer[1];for(i=digits.length-1;i>=0;i--)val=val.add(digits[i].times(pow)),pow=pow.times(base);return isNegative?val.negate():val}function stringify(digit){var v=digit.value;return"number"==typeof v&&(v=[v]),1===v.length&&v[0]<=35?"0123456789abcdefghijklmnopqrstuvwxyz".charAt(v[0]):"<"+v+">"}function toBase(n,base){if((base=bigInt(base)).isZero()){if(n.isZero())return"0";throw new Error("Cannot convert nonzero numbers to base 0.")}if(base.equals(-1))return n.isZero()?"0":n.isNegative()?new Array(1-n).join("10"):"1"+new Array(+n).join("01");var minusSign="";if(n.isNegative()&&base.isPositive()&&(minusSign="-",n=n.abs()),base.equals(1))return n.isZero()?"0":minusSign+new Array(+n+1).join(1);for(var divmod,out=[],left=n;left.isNegative()||left.compareAbs(base)>=0;){left=(divmod=left.divmod(base)).quotient;var digit=divmod.remainder;digit.isNegative()&&(digit=base.minus(digit).abs(),left=left.next()),out.push(stringify(digit))}return out.push(stringify(left)),minusSign+out.reverse().join("")}BigInteger.prototype.toString=function(radix){if(void 0===radix&&(radix=10),10!==radix)return toBase(this,radix);for(var digit,v=this.value,l=v.length,str=String(v[--l]);--l>=0;)digit=String(v[l]),str+="0000000".slice(digit.length)+digit;return(this.sign?"-":"")+str},SmallInteger.prototype.toString=function(radix){return void 0===radix&&(radix=10),10!=radix?toBase(this,radix):String(this.value)},BigInteger.prototype.toJSON=SmallInteger.prototype.toJSON=function(){return this.toString()},BigInteger.prototype.valueOf=function(){return+this.toString()},BigInteger.prototype.toJSNumber=BigInteger.prototype.valueOf,SmallInteger.prototype.valueOf=function(){return this.value},SmallInteger.prototype.toJSNumber=SmallInteger.prototype.valueOf;function parseStringValue(v){if(isPrecise(+v)){var x=+v;if(x===truncate(x))return new SmallInteger(x);throw"Invalid integer: "+v}var sign="-"===v[0];sign&&(v=v.slice(1));var split=v.split(/e/i);if(split.length>2)throw new Error("Invalid integer: "+split.join("e"));if(2===split.length){var exp=split[1];if("+"===exp[0]&&(exp=exp.slice(1)),(exp=+exp)!==truncate(exp)||!isPrecise(exp))throw new Error("Invalid integer: "+exp+" is not a valid exponent.");var text=split[0],decimalPlace=text.indexOf(".");if(decimalPlace>=0&&(exp-=text.length-decimalPlace-1,text=text.slice(0,decimalPlace)+text.slice(decimalPlace+1)),exp<0)throw new Error("Cannot include negative exponent part for integers");v=text+=new Array(exp+1).join("0")}if(!/^([0-9][0-9]*)$/.test(v))throw new Error("Invalid integer: "+v);for(var r=[],max=v.length,l=LOG_BASE,min=max-l;max>0;)r.push(+v.slice(min,max)),(min-=l)<0&&(min=0),max-=l;return trim(r),new BigInteger(r,sign)}function parseValue(v){return"number"==typeof v?function(v){if(isPrecise(v)){if(v!==truncate(v))throw new Error(v+" is not an integer.");return new SmallInteger(v)}return parseStringValue(v.toString())}(v):"string"==typeof v?parseStringValue(v):v}for(var i=0;i<1e3;i++)Integer[i]=new SmallInteger(i),i>0&&(Integer[-i]=new SmallInteger(-i));return Integer.one=Integer[1],Integer.zero=Integer[0],Integer.minusOne=Integer[-1],Integer.max=max,Integer.min=min,Integer.gcd=gcd,Integer.lcm=function(a,b){return a=parseValue(a).abs(),b=parseValue(b).abs(),a.divide(gcd(a,b)).multiply(b)},Integer.isInstance=function(x){return x instanceof BigInteger||x instanceof SmallInteger},Integer.randBetween=function(a,b){var low=min(a=parseValue(a),b=parseValue(b)),range=max(a,b).subtract(low).add(1);if(range.isSmall)return low.add(Math.floor(Math.random()*range));for(var result=[],restricted=!0,i=range.value.length-1;i>=0;i--){var top=restricted?range.value[i]:BASE,digit=truncate(Math.random()*top);result.unshift(digit),digit<top&&(restricted=!1)}return result=arrayToSmall(result),low.add("number"==typeof result?new SmallInteger(result):new BigInteger(result,!1))},Integer.fromArray=function(digits,base,isNegative){return parseBaseFromArray(digits.map(parseValue),parseValue(base||10),isNegative)},Integer}();void 0!==module&&module.hasOwnProperty("exports")&&(module.exports=bigInt),"function"==typeof define&&define.amd&&define("big-integer",[],function(){return bigInt})},{}],19:[function(require,module,exports){!function(module,exports){"use strict";function assert(val,msg){if(!val)throw new Error(msg||"Assertion failed")}function inherits(ctor,superCtor){ctor.super_=superCtor;var TempCtor=function(){};TempCtor.prototype=superCtor.prototype,ctor.prototype=new TempCtor,ctor.prototype.constructor=ctor}function BN(number,base,endian){if(null!==number&&"object"==typeof number&&Array.isArray(number.words))return number;this.sign=!1,this.words=null,this.length=0,this.red=null,"le"!==base&&"be"!==base||(endian=base,base=10),null!==number&&this._init(number||0,base||10,endian||"be")}"object"==typeof module?module.exports=BN:exports.BN=BN,BN.BN=BN,BN.wordSize=26,BN.prototype._init=function(number,base,endian){if("number"==typeof number)return number<0&&(this.sign=!0,number=-number),void(number<67108864?(this.words=[67108863&number],this.length=1):number<4503599627370496?(this.words=[67108863&number,number/67108864&67108863],this.length=2):(assert(number<9007199254740992),this.words=[67108863&number,number/67108864&67108863,1],this.length=3));if("object"==typeof number)return this._initArray(number,base,endian);"hex"===base&&(base=16),assert(base===(0|base)&&base>=2&&base<=36);var start=0;"-"===(number=number.toString().replace(/\s+/g,""))[0]&&start++,16===base?this._parseHex(number,start):this._parseBase(number,base,start),"-"===number[0]&&(this.sign=!0),this.strip()},BN.prototype._initArray=function(number,base,endian){if(assert("number"==typeof number.length),number.length<=0)return this.words=[0],this.length=1,this;this.length=Math.ceil(number.length/3),this.words=new Array(this.length);for(var i=0;i<this.length;i++)this.words[i]=0;var off=0;if("be"===endian){i=number.length-1;for(var j=0;i>=0;i-=3){var w=number[i]|number[i-1]<<8|number[i-2]<<16;this.words[j]|=w<<off&67108863,this.words[j+1]=w>>>26-off&67108863,(off+=24)>=26&&(off-=26,j++)}}else if("le"===endian)for(i=0,j=0;i<number.length;i+=3){w=number[i]|number[i+1]<<8|number[i+2]<<16;this.words[j]|=w<<off&67108863,this.words[j+1]=w>>>26-off&67108863,(off+=24)>=26&&(off-=26,j++)}return this.strip()};function parseHex(str,start,end){for(var r=0,len=Math.min(str.length,end),i=start;i<len;i++){var c=str.charCodeAt(i)-48;r<<=4,r|=c>=49&&c<=54?c-49+10:c>=17&&c<=22?c-17+10:15&c}return r}BN.prototype._parseHex=function(number,start){this.length=Math.ceil((number.length-start)/6),this.words=new Array(this.length);for(var i=0;i<this.length;i++)this.words[i]=0;for(var off=0,j=(i=number.length-6,0);i>=start;i-=6){var w=parseHex(number,i,i+6);this.words[j]|=w<<off&67108863,this.words[j+1]|=w>>>26-off&4194303,(off+=24)>=26&&(off-=26,j++)}if(i+6!==start){w=parseHex(number,start,i+6);this.words[j]|=w<<off&67108863,this.words[j+1]|=w>>>26-off&4194303}this.strip()};function parseBase(str,start,end,mul){for(var r=0,len=Math.min(str.length,end),i=start;i<len;i++){var c=str.charCodeAt(i)-48;r*=mul,r+=c>=49?c-49+10:c>=17?c-17+10:c}return r}BN.prototype._parseBase=function(number,base,start){this.words=[0],this.length=1;for(var limbLen=0,limbPow=1;limbPow<=67108863;limbPow*=base)limbLen++;limbLen--,limbPow=limbPow/base|0;for(var total=number.length-start,mod=total%limbLen,end=Math.min(total,total-mod)+start,word=0,i=start;i<end;i+=limbLen)word=parseBase(number,i,i+limbLen,base),this.imuln(limbPow),this.words[0]+word<67108864?this.words[0]+=word:this._iaddn(word);if(0!==mod){var pow=1;for(word=parseBase(number,i,number.length,base),i=0;i<mod;i++)pow*=base;this.imuln(pow),this.words[0]+word<67108864?this.words[0]+=word:this._iaddn(word)}},BN.prototype.copy=function(dest){dest.words=new Array(this.length);for(var i=0;i<this.length;i++)dest.words[i]=this.words[i];dest.length=this.length,dest.sign=this.sign,dest.red=this.red},BN.prototype.clone=function(){var r=new BN(null);return this.copy(r),r},BN.prototype.strip=function(){for(;this.length>1&&0===this.words[this.length-1];)this.length--;return this._normSign()},BN.prototype._normSign=function(){return 1===this.length&&0===this.words[0]&&(this.sign=!1),this},BN.prototype.inspect=function(){return(this.red?"<BN-R: ":"<BN: ")+this.toString(16)+">"};var zeros=["","0","00","000","0000","00000","000000","0000000","00000000","000000000","0000000000","00000000000","000000000000","0000000000000","00000000000000","000000000000000","0000000000000000","00000000000000000","000000000000000000","0000000000000000000","00000000000000000000","000000000000000000000","0000000000000000000000","00000000000000000000000","000000000000000000000000","0000000000000000000000000"],groupSizes=[0,0,25,16,12,11,10,9,8,8,7,7,7,7,6,6,6,6,6,6,6,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5],groupBases=[0,0,33554432,43046721,16777216,48828125,60466176,40353607,16777216,43046721,1e7,19487171,35831808,62748517,7529536,11390625,16777216,24137569,34012224,47045881,64e6,4084101,5153632,6436343,7962624,9765625,11881376,14348907,17210368,20511149,243e5,28629151,33554432,39135393,45435424,52521875,60466176];BN.prototype.toString=function(base,padding){if(16===(base=base||10)||"hex"===base){for(var out="",off=0,carry=(padding=0|padding||1,0),i=0;i<this.length;i++){var w=this.words[i],word=(16777215&(w<<off|carry)).toString(16);out=0!==(carry=w>>>24-off&16777215)||i!==this.length-1?zeros[6-word.length]+word+out:word+out,(off+=2)>=26&&(off-=26,i--)}for(0!==carry&&(out=carry.toString(16)+out);out.length%padding!=0;)out="0"+out;return this.sign&&(out="-"+out),out}if(base===(0|base)&&base>=2&&base<=36){var groupSize=groupSizes[base],groupBase=groupBases[base],c=(out="",this.clone());for(c.sign=!1;0!==c.cmpn(0);){var r=c.modn(groupBase).toString(base);out=0!==(c=c.idivn(groupBase)).cmpn(0)?zeros[groupSize-r.length]+r+out:r+out}return 0===this.cmpn(0)&&(out="0"+out),this.sign&&(out="-"+out),out}assert(!1,"Base should be between 2 and 36")},BN.prototype.toJSON=function(){return this.toString(16)},BN.prototype.toArray=function(){this.strip();var res=new Array(this.byteLength());res[0]=0;for(var q=this.clone(),i=0;0!==q.cmpn(0);i++){var b=q.andln(255);q.ishrn(8),res[res.length-i-1]=b}return res},Math.clz32?BN.prototype._countBits=function(w){return 32-Math.clz32(w)}:BN.prototype._countBits=function(w){var t=w,r=0;return t>=4096&&(r+=13,t>>>=13),t>=64&&(r+=7,t>>>=7),t>=8&&(r+=4,t>>>=4),t>=2&&(r+=2,t>>>=2),r+t},BN.prototype._zeroBits=function(w){if(0===w)return 26;var t=w,r=0;return 0==(8191&t)&&(r+=13,t>>>=13),0==(127&t)&&(r+=7,t>>>=7),0==(15&t)&&(r+=4,t>>>=4),0==(3&t)&&(r+=2,t>>>=2),0==(1&t)&&r++,r},BN.prototype.bitLength=function(){var hi=0,w=this.words[this.length-1];hi=this._countBits(w);return 26*(this.length-1)+hi},BN.prototype.zeroBits=function(){if(0===this.cmpn(0))return 0;for(var r=0,i=0;i<this.length;i++){var b=this._zeroBits(this.words[i]);if(r+=b,26!==b)break}return r},BN.prototype.byteLength=function(){return Math.ceil(this.bitLength()/8)},BN.prototype.neg=function(){if(0===this.cmpn(0))return this.clone();var r=this.clone();return r.sign=!this.sign,r},BN.prototype.ior=function(num){for(this.sign=this.sign||num.sign;this.length<num.length;)this.words[this.length++]=0;for(var i=0;i<num.length;i++)this.words[i]=this.words[i]|num.words[i];return this.strip()},BN.prototype.or=function(num){return this.length>num.length?this.clone().ior(num):num.clone().ior(this)},BN.prototype.iand=function(num){this.sign=this.sign&&num.sign;var b;b=this.length>num.length?num:this;for(var i=0;i<b.length;i++)this.words[i]=this.words[i]&num.words[i];return this.length=b.length,this.strip()},BN.prototype.and=function(num){return this.length>num.length?this.clone().iand(num):num.clone().iand(this)},BN.prototype.ixor=function(num){this.sign=this.sign||num.sign;var a,b;this.length>num.length?(a=this,b=num):(a=num,b=this);for(var i=0;i<b.length;i++)this.words[i]=a.words[i]^b.words[i];if(this!==a)for(;i<a.length;i++)this.words[i]=a.words[i];return this.length=a.length,this.strip()},BN.prototype.xor=function(num){return this.length>num.length?this.clone().ixor(num):num.clone().ixor(this)},BN.prototype.setn=function(bit,val){assert("number"==typeof bit&&bit>=0);for(var off=bit/26|0,wbit=bit%26;this.length<=off;)this.words[this.length++]=0;return this.words[off]=val?this.words[off]|1<<wbit:this.words[off]&~(1<<wbit),this.strip()},BN.prototype.iadd=function(num){if(this.sign&&!num.sign){this.sign=!1;var r=this.isub(num);return this.sign=!this.sign,this._normSign()}if(!this.sign&&num.sign){num.sign=!1;r=this.isub(num);return num.sign=!0,r._normSign()}var a,b;this.length>num.length?(a=this,b=num):(a=num,b=this);for(var carry=0,i=0;i<b.length;i++){r=a.words[i]+b.words[i]+carry;this.words[i]=67108863&r,carry=r>>>26}for(;0!==carry&&i<a.length;i++){r=a.words[i]+carry;this.words[i]=67108863&r,carry=r>>>26}if(this.length=a.length,0!==carry)this.words[this.length]=carry,this.length++;else if(a!==this)for(;i<a.length;i++)this.words[i]=a.words[i];return this},BN.prototype.add=function(num){if(num.sign&&!this.sign){num.sign=!1;var res=this.sub(num);return num.sign=!0,res}if(!num.sign&&this.sign){this.sign=!1;res=num.sub(this);return this.sign=!0,res}return this.length>num.length?this.clone().iadd(num):num.clone().iadd(this)},BN.prototype.isub=function(num){if(num.sign){num.sign=!1;var r=this.iadd(num);return num.sign=!0,r._normSign()}if(this.sign)return this.sign=!1,this.iadd(num),this.sign=!0,this._normSign();var cmp=this.cmp(num);if(0===cmp)return this.sign=!1,this.length=1,this.words[0]=0,this;var a,b;cmp>0?(a=this,b=num):(a=num,b=this);for(var carry=0,i=0;i<b.length;i++){carry=(r=a.words[i]-b.words[i]+carry)>>26,this.words[i]=67108863&r}for(;0!==carry&&i<a.length;i++){carry=(r=a.words[i]+carry)>>26,this.words[i]=67108863&r}if(0===carry&&i<a.length&&a!==this)for(;i<a.length;i++)this.words[i]=a.words[i];return this.length=Math.max(this.length,i),a!==this&&(this.sign=!0),this.strip()},BN.prototype.sub=function(num){return this.clone().isub(num)},BN.prototype._smallMulTo=function(num,out){out.sign=num.sign!==this.sign,out.length=this.length+num.length;for(var carry=0,k=0;k<out.length-1;k++){for(var ncarry=carry>>>26,rword=67108863&carry,maxJ=Math.min(k,num.length-1),j=Math.max(0,k-this.length+1);j<=maxJ;j++){var i=k-j,r=(0|this.words[i])*(0|num.words[j]),lo=67108863&r;rword=67108863&(lo=lo+rword|0),ncarry=(ncarry=ncarry+(r/67108864|0)|0)+(lo>>>26)|0}out.words[k]=rword,carry=ncarry}return 0!==carry?out.words[k]=carry:out.length--,out.strip()},BN.prototype._bigMulTo=function(num,out){out.sign=num.sign!==this.sign,out.length=this.length+num.length;for(var carry=0,hncarry=0,k=0;k<out.length-1;k++){var ncarry=hncarry;hncarry=0;for(var rword=67108863&carry,maxJ=Math.min(k,num.length-1),j=Math.max(0,k-this.length+1);j<=maxJ;j++){var i=k-j,r=(0|this.words[i])*(0|num.words[j]),lo=67108863&r;rword=67108863&(lo=lo+rword|0),hncarry+=(ncarry=(ncarry=ncarry+(r/67108864|0)|0)+(lo>>>26)|0)>>>26,ncarry&=67108863}out.words[k]=rword,carry=ncarry,ncarry=hncarry}return 0!==carry?out.words[k]=carry:out.length--,out.strip()},BN.prototype.mulTo=function(num,out){return this.length+num.length<63?this._smallMulTo(num,out):this._bigMulTo(num,out)},BN.prototype.mul=function(num){var out=new BN(null);return out.words=new Array(this.length+num.length),this.mulTo(num,out)},BN.prototype.imul=function(num){if(0===this.cmpn(0)||0===num.cmpn(0))return this.words[0]=0,this.length=1,this;var tlen=this.length,nlen=num.length;this.sign=num.sign!==this.sign,this.length=this.length+num.length,this.words[this.length-1]=0;for(var k=this.length-2;k>=0;k--){for(var carry=0,rword=0,maxJ=Math.min(k,nlen-1),j=Math.max(0,k-tlen+1);j<=maxJ;j++){var i=k-j,r=this.words[i]*num.words[j],lo=67108863&r;carry+=r/67108864|0,rword=67108863&(lo+=rword),carry+=lo>>>26}this.words[k]=rword,this.words[k+1]+=carry,carry=0}for(carry=0,i=1;i<this.length;i++){var w=this.words[i]+carry;this.words[i]=67108863&w,carry=w>>>26}return this.strip()},BN.prototype.imuln=function(num){assert("number"==typeof num);for(var carry=0,i=0;i<this.length;i++){var w=this.words[i]*num,lo=(67108863&w)+(67108863&carry);carry>>=26,carry+=w/67108864|0,carry+=lo>>>26,this.words[i]=67108863&lo}return 0!==carry&&(this.words[i]=carry,this.length++),this},BN.prototype.sqr=function(){return this.mul(this)},BN.prototype.isqr=function(){return this.mul(this)},BN.prototype.ishln=function(bits){assert("number"==typeof bits&&bits>=0);var r=bits%26,s=(bits-r)/26,carryMask=67108863>>>26-r<<26-r;if(0!==r){for(var carry=0,i=0;i<this.length;i++){var newCarry=this.words[i]&carryMask,c=this.words[i]-newCarry<<r;this.words[i]=c|carry,carry=newCarry>>>26-r}carry&&(this.words[i]=carry,this.length++)}if(0!==s){for(i=this.length-1;i>=0;i--)this.words[i+s]=this.words[i];for(i=0;i<s;i++)this.words[i]=0;this.length+=s}return this.strip()},BN.prototype.ishrn=function(bits,hint,extended){assert("number"==typeof bits&&bits>=0);var h;h=hint?(hint-hint%26)/26:0;var r=bits%26,s=Math.min((bits-r)/26,this.length),mask=67108863^67108863>>>r<<r,maskedWords=extended;if(h-=s,h=Math.max(0,h),maskedWords){for(var i=0;i<s;i++)maskedWords.words[i]=this.words[i];maskedWords.length=s}if(0===s);else if(this.length>s){this.length-=s;for(i=0;i<this.length;i++)this.words[i]=this.words[i+s]}else this.words[0]=0,this.length=1;var carry=0;for(i=this.length-1;i>=0&&(0!==carry||i>=h);i--){var word=this.words[i];this.words[i]=carry<<26-r|word>>>r,carry=word&mask}return maskedWords&&0!==carry&&(maskedWords.words[maskedWords.length++]=carry),0===this.length&&(this.words[0]=0,this.length=1),this.strip(),this},BN.prototype.shln=function(bits){return this.clone().ishln(bits)},BN.prototype.shrn=function(bits){return this.clone().ishrn(bits)},BN.prototype.testn=function(bit){assert("number"==typeof bit&&bit>=0);var r=bit%26,s=(bit-r)/26,q=1<<r;if(this.length<=s)return!1;return!!(this.words[s]&q)},BN.prototype.imaskn=function(bits){assert("number"==typeof bits&&bits>=0);var r=bits%26,s=(bits-r)/26;if(assert(!this.sign,"imaskn works only with positive numbers"),0!==r&&s++,this.length=Math.min(s,this.length),0!==r){var mask=67108863^67108863>>>r<<r;this.words[this.length-1]&=mask}return this.strip()},BN.prototype.maskn=function(bits){return this.clone().imaskn(bits)},BN.prototype.iaddn=function(num){return assert("number"==typeof num),num<0?this.isubn(-num):this.sign?1===this.length&&this.words[0]<num?(this.words[0]=num-this.words[0],this.sign=!1,this):(this.sign=!1,this.isubn(num),this.sign=!0,this):this._iaddn(num)},BN.prototype._iaddn=function(num){this.words[0]+=num;for(var i=0;i<this.length&&this.words[i]>=67108864;i++)this.words[i]-=67108864,i===this.length-1?this.words[i+1]=1:this.words[i+1]++;return this.length=Math.max(this.length,i+1),this},BN.prototype.isubn=function(num){if(assert("number"==typeof num),num<0)return this.iaddn(-num);if(this.sign)return this.sign=!1,this.iaddn(num),this.sign=!0,this;this.words[0]-=num;for(var i=0;i<this.length&&this.words[i]<0;i++)this.words[i]+=67108864,this.words[i+1]-=1;return this.strip()},BN.prototype.addn=function(num){return this.clone().iaddn(num)},BN.prototype.subn=function(num){return this.clone().isubn(num)},BN.prototype.iabs=function(){return this.sign=!1,this},BN.prototype.abs=function(){return this.clone().iabs()},BN.prototype._ishlnsubmul=function(num,mul,shift){var len=num.length+shift;if(this.words.length<len){for(var t=new Array(len),i=0;i<this.length;i++)t[i]=this.words[i];this.words=t}else i=this.length;for(this.length=Math.max(this.length,len);i<this.length;i++)this.words[i]=0;var carry=0;for(i=0;i<num.length;i++){var w=this.words[i+shift]+carry,right=num.words[i]*mul;carry=((w-=67108863&right)>>26)-(right/67108864|0),this.words[i+shift]=67108863&w}for(;i<this.length-shift;i++){carry=(w=this.words[i+shift]+carry)>>26,this.words[i+shift]=67108863&w}if(0===carry)return this.strip();assert(-1===carry),carry=0;for(i=0;i<this.length;i++){carry=(w=-this.words[i]+carry)>>26,this.words[i]=67108863&w}return this.sign=!0,this.strip()},BN.prototype._wordDiv=function(num,mode){var shift=this.length-num.length,a=this.clone(),b=num,bhi=b.words[b.length-1];0!==(shift=26-this._countBits(bhi))&&(b=b.shln(shift),a.ishln(shift),bhi=b.words[b.length-1]);var q,m=a.length-b.length;if("mod"!==mode){(q=new BN(null)).length=m+1,q.words=new Array(q.length);for(var i=0;i<q.length;i++)q.words[i]=0}var diff=a.clone()._ishlnsubmul(b,1,m);diff.sign||(a=diff,q&&(q.words[m]=1));for(var j=m-1;j>=0;j--){var qj=67108864*a.words[b.length+j]+a.words[b.length+j-1];for(qj=Math.min(qj/bhi|0,67108863),a._ishlnsubmul(b,qj,j);a.sign;)qj--,a.sign=!1,a._ishlnsubmul(b,1,j),0!==a.cmpn(0)&&(a.sign=!a.sign);q&&(q.words[j]=qj)}return q&&q.strip(),a.strip(),"div"!==mode&&0!==shift&&a.ishrn(shift),{div:q||null,mod:a}},BN.prototype.divmod=function(num,mode){if(assert(0!==num.cmpn(0)),this.sign&&!num.sign){var mod,res=this.neg().divmod(num,mode);return"mod"!==mode&&(div=res.div.neg()),"div"!==mode&&(mod=0===res.mod.cmpn(0)?res.mod:num.sub(res.mod)),{div:div,mod:mod}}if(!this.sign&&num.sign){var div;res=this.divmod(num.neg(),mode);return"mod"!==mode&&(div=res.div.neg()),{div:div,mod:res.mod}}return this.sign&&num.sign?this.neg().divmod(num.neg(),mode):num.length>this.length||this.cmp(num)<0?{div:new BN(0),mod:this}:1===num.length?"div"===mode?{div:this.divn(num.words[0]),mod:null}:"mod"===mode?{div:null,mod:new BN(this.modn(num.words[0]))}:{div:this.divn(num.words[0]),mod:new BN(this.modn(num.words[0]))}:this._wordDiv(num,mode)},BN.prototype.div=function(num){return this.divmod(num,"div").div},BN.prototype.mod=function(num){return this.divmod(num,"mod").mod},BN.prototype.divRound=function(num){var dm=this.divmod(num);if(0===dm.mod.cmpn(0))return dm.div;var mod=dm.div.sign?dm.mod.isub(num):dm.mod,half=num.shrn(1),r2=num.andln(1),cmp=mod.cmp(half);return cmp<0||1===r2&&0===cmp?dm.div:dm.div.sign?dm.div.isubn(1):dm.div.iaddn(1)},BN.prototype.modn=function(num){assert(num<=67108863);for(var p=(1<<26)%num,acc=0,i=this.length-1;i>=0;i--)acc=(p*acc+this.words[i])%num;return acc},BN.prototype.idivn=function(num){assert(num<=67108863);for(var carry=0,i=this.length-1;i>=0;i--){var w=this.words[i]+67108864*carry;this.words[i]=w/num|0,carry=w%num}return this.strip()},BN.prototype.divn=function(num){return this.clone().idivn(num)},BN.prototype.egcd=function(p){assert(!p.sign),assert(0!==p.cmpn(0));var x=this,y=p.clone();x=x.sign?x.mod(p):x.clone();for(var A=new BN(1),B=new BN(0),C=new BN(0),D=new BN(1),g=0;x.isEven()&&y.isEven();)x.ishrn(1),y.ishrn(1),++g;for(var yp=y.clone(),xp=x.clone();0!==x.cmpn(0);){for(;x.isEven();)x.ishrn(1),A.isEven()&&B.isEven()?(A.ishrn(1),B.ishrn(1)):(A.iadd(yp).ishrn(1),B.isub(xp).ishrn(1));for(;y.isEven();)y.ishrn(1),C.isEven()&&D.isEven()?(C.ishrn(1),D.ishrn(1)):(C.iadd(yp).ishrn(1),D.isub(xp).ishrn(1));x.cmp(y)>=0?(x.isub(y),A.isub(C),B.isub(D)):(y.isub(x),C.isub(A),D.isub(B))}return{a:C,b:D,gcd:y.ishln(g)}},BN.prototype._invmp=function(p){assert(!p.sign),assert(0!==p.cmpn(0));var a=this,b=p.clone();a=a.sign?a.mod(p):a.clone();for(var x1=new BN(1),x2=new BN(0),delta=b.clone();a.cmpn(1)>0&&b.cmpn(1)>0;){for(;a.isEven();)a.ishrn(1),x1.isEven()?x1.ishrn(1):x1.iadd(delta).ishrn(1);for(;b.isEven();)b.ishrn(1),x2.isEven()?x2.ishrn(1):x2.iadd(delta).ishrn(1);a.cmp(b)>=0?(a.isub(b),x1.isub(x2)):(b.isub(a),x2.isub(x1))}return 0===a.cmpn(1)?x1:x2},BN.prototype.gcd=function(num){if(0===this.cmpn(0))return num.clone();if(0===num.cmpn(0))return this.clone();var a=this.clone(),b=num.clone();a.sign=!1,b.sign=!1;for(var shift=0;a.isEven()&&b.isEven();shift++)a.ishrn(1),b.ishrn(1);for(;;){for(;a.isEven();)a.ishrn(1);for(;b.isEven();)b.ishrn(1);var r=a.cmp(b);if(r<0){var t=a;a=b,b=t}else if(0===r||0===b.cmpn(1))break;a.isub(b)}return b.ishln(shift)},BN.prototype.invm=function(num){return this.egcd(num).a.mod(num)},BN.prototype.isEven=function(){return 0==(1&this.words[0])},BN.prototype.isOdd=function(){return 1==(1&this.words[0])},BN.prototype.andln=function(num){return this.words[0]&num},BN.prototype.bincn=function(bit){assert("number"==typeof bit);var r=bit%26,s=(bit-r)/26,q=1<<r;if(this.length<=s){for(var i=this.length;i<s+1;i++)this.words[i]=0;return this.words[s]|=q,this.length=s+1,this}var carry=q;for(i=s;0!==carry&&i<this.length;i++){var w=this.words[i];carry=(w+=carry)>>>26,w&=67108863,this.words[i]=w}return 0!==carry&&(this.words[i]=carry,this.length++),this},BN.prototype.cmpn=function(num){var sign=num<0;if(sign&&(num=-num),this.sign&&!sign)return-1;if(!this.sign&&sign)return 1;num&=67108863,this.strip();var res;if(this.length>1)res=1;else{var w=this.words[0];res=w===num?0:w<num?-1:1}return this.sign&&(res=-res),res},BN.prototype.cmp=function(num){if(this.sign&&!num.sign)return-1;if(!this.sign&&num.sign)return 1;var res=this.ucmp(num);return this.sign?-res:res},BN.prototype.ucmp=function(num){if(this.length>num.length)return 1;if(this.length<num.length)return-1;for(var res=0,i=this.length-1;i>=0;i--){var a=this.words[i],b=num.words[i];if(a!==b){a<b?res=-1:a>b&&(res=1);break}}return res},BN.red=function(num){return new Red(num)},BN.prototype.toRed=function(ctx){return assert(!this.red,"Already a number in reduction context"),assert(!this.sign,"red works only with positives"),ctx.convertTo(this)._forceRed(ctx)},BN.prototype.fromRed=function(){return assert(this.red,"fromRed works only with numbers in reduction context"),this.red.convertFrom(this)},BN.prototype._forceRed=function(ctx){return this.red=ctx,this},BN.prototype.forceRed=function(ctx){return assert(!this.red,"Already a number in reduction context"),this._forceRed(ctx)},BN.prototype.redAdd=function(num){return assert(this.red,"redAdd works only with red numbers"),this.red.add(this,num)},BN.prototype.redIAdd=function(num){return assert(this.red,"redIAdd works only with red numbers"),this.red.iadd(this,num)},BN.prototype.redSub=function(num){return assert(this.red,"redSub works only with red numbers"),this.red.sub(this,num)},BN.prototype.redISub=function(num){return assert(this.red,"redISub works only with red numbers"),this.red.isub(this,num)},BN.prototype.redShl=function(num){return assert(this.red,"redShl works only with red numbers"),this.red.shl(this,num)},BN.prototype.redMul=function(num){return assert(this.red,"redMul works only with red numbers"),this.red._verify2(this,num),this.red.mul(this,num)},BN.prototype.redIMul=function(num){return assert(this.red,"redMul works only with red numbers"),this.red._verify2(this,num),this.red.imul(this,num)},BN.prototype.redSqr=function(){return assert(this.red,"redSqr works only with red numbers"),this.red._verify1(this),this.red.sqr(this)},BN.prototype.redISqr=function(){return assert(this.red,"redISqr works only with red numbers"),this.red._verify1(this),this.red.isqr(this)},BN.prototype.redSqrt=function(){return assert(this.red,"redSqrt works only with red numbers"),this.red._verify1(this),this.red.sqrt(this)},BN.prototype.redInvm=function(){return assert(this.red,"redInvm works only with red numbers"),this.red._verify1(this),this.red.invm(this)},BN.prototype.redNeg=function(){return assert(this.red,"redNeg works only with red numbers"),this.red._verify1(this),this.red.neg(this)},BN.prototype.redPow=function(num){return assert(this.red&&!num.red,"redPow(normalNum)"),this.red._verify1(this),this.red.pow(this,num)};var primes={k256:null,p224:null,p192:null,p25519:null};function MPrime(name,p){this.name=name,this.p=new BN(p,16),this.n=this.p.bitLength(),this.k=new BN(1).ishln(this.n).isub(this.p),this.tmp=this._tmp()}MPrime.prototype._tmp=function(){var tmp=new BN(null);return tmp.words=new Array(Math.ceil(this.n/13)),tmp},MPrime.prototype.ireduce=function(num){var rlen,r=num;do{this.split(r,this.tmp),rlen=(r=(r=this.imulK(r)).iadd(this.tmp)).bitLength()}while(rlen>this.n);var cmp=rlen<this.n?-1:r.ucmp(this.p);return 0===cmp?(r.words[0]=0,r.length=1):cmp>0?r.isub(this.p):r.strip(),r},MPrime.prototype.split=function(input,out){input.ishrn(this.n,0,out)},MPrime.prototype.imulK=function(num){return num.imul(this.k)};function K256(){MPrime.call(this,"k256","ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f")}inherits(K256,MPrime),K256.prototype.split=function(input,output){for(var outLen=Math.min(input.length,9),i=0;i<outLen;i++)output.words[i]=input.words[i];if(output.length=outLen,input.length<=9)return input.words[0]=0,void(input.length=1);var prev=input.words[9];output.words[output.length++]=4194303&prev;for(i=10;i<input.length;i++){var next=input.words[i];input.words[i-10]=(4194303&next)<<4|prev>>>22,prev=next}input.words[i-10]=prev>>>22,input.length-=9},K256.prototype.imulK=function(num){num.words[num.length]=0,num.words[num.length+1]=0,num.length+=2;for(var hi,lo=0,i=0;i<num.length;i++){var w=num.words[i];hi=64*w,hi+=(lo+=977*w)/67108864|0,lo&=67108863,num.words[i]=lo,lo=hi}return 0===num.words[num.length-1]&&(num.length--,0===num.words[num.length-1]&&num.length--),num};function P224(){MPrime.call(this,"p224","ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001")}inherits(P224,MPrime);function P192(){MPrime.call(this,"p192","ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff")}inherits(P192,MPrime);function P25519(){MPrime.call(this,"25519","7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed")}inherits(P25519,MPrime),P25519.prototype.imulK=function(num){for(var carry=0,i=0;i<num.length;i++){var hi=19*num.words[i]+carry,lo=67108863&hi;hi>>>=26,num.words[i]=lo,carry=hi}return 0!==carry&&(num.words[num.length++]=carry),num},BN._prime=function(name){if(primes[name])return primes[name];var prime;if("k256"===name)prime=new K256;else if("p224"===name)prime=new P224;else if("p192"===name)prime=new P192;else{if("p25519"!==name)throw new Error("Unknown prime "+name);prime=new P25519}return primes[name]=prime,prime};function Red(m){if("string"==typeof m){var prime=BN._prime(m);this.m=prime.p,this.prime=prime}else this.m=m,this.prime=null}Red.prototype._verify1=function(a){assert(!a.sign,"red works only with positives"),assert(a.red,"red works only with red numbers")},Red.prototype._verify2=function(a,b){assert(!a.sign&&!b.sign,"red works only with positives"),assert(a.red&&a.red===b.red,"red works only with red numbers")},Red.prototype.imod=function(a){return this.prime?this.prime.ireduce(a)._forceRed(this):a.mod(this.m)._forceRed(this)},Red.prototype.neg=function(a){var r=a.clone();return r.sign=!r.sign,r.iadd(this.m)._forceRed(this)},Red.prototype.add=function(a,b){this._verify2(a,b);var res=a.add(b);return res.cmp(this.m)>=0&&res.isub(this.m),res._forceRed(this)},Red.prototype.iadd=function(a,b){this._verify2(a,b);var res=a.iadd(b);return res.cmp(this.m)>=0&&res.isub(this.m),res},Red.prototype.sub=function(a,b){this._verify2(a,b);var res=a.sub(b);return res.cmpn(0)<0&&res.iadd(this.m),res._forceRed(this)},Red.prototype.isub=function(a,b){this._verify2(a,b);var res=a.isub(b);return res.cmpn(0)<0&&res.iadd(this.m),res},Red.prototype.shl=function(a,num){return this._verify1(a),this.imod(a.shln(num))},Red.prototype.imul=function(a,b){return this._verify2(a,b),this.imod(a.imul(b))},Red.prototype.mul=function(a,b){return this._verify2(a,b),this.imod(a.mul(b))},Red.prototype.isqr=function(a){return this.imul(a,a)},Red.prototype.sqr=function(a){return this.mul(a,a)},Red.prototype.sqrt=function(a){if(0===a.cmpn(0))return a.clone();var mod3=this.m.andln(3);if(assert(mod3%2==1),3===mod3){var pow=this.m.add(new BN(1)).ishrn(2);return r=this.pow(a,pow)}for(var q=this.m.subn(1),s=0;0!==q.cmpn(0)&&0===q.andln(1);)s++,q.ishrn(1);assert(0!==q.cmpn(0));var one=new BN(1).toRed(this),nOne=one.redNeg(),lpow=this.m.subn(1).ishrn(1),z=this.m.bitLength();for(z=new BN(2*z*z).toRed(this);0!==this.pow(z,lpow).cmp(nOne);)z.redIAdd(nOne);for(var c=this.pow(z,q),r=this.pow(a,q.addn(1).ishrn(1)),t=this.pow(a,q),m=s;0!==t.cmp(one);){for(var tmp=t,i=0;0!==tmp.cmp(one);i++)tmp=tmp.redSqr();assert(i<m);var b=this.pow(c,new BN(1).ishln(m-i-1));r=r.redMul(b),c=b.redSqr(),t=t.redMul(c),m=i}return r},Red.prototype.invm=function(a){var inv=a._invmp(this.m);return inv.sign?(inv.sign=!1,this.imod(inv).redNeg()):this.imod(inv)},Red.prototype.pow=function(a,num){var w=[];if(0===num.cmpn(0))return new BN(1);for(var q=num.clone();0!==q.cmpn(0);)w.push(q.andln(1)),q.ishrn(1);for(var res=a,i=0;i<w.length&&0===w[i];i++,res=this.sqr(res));if(++i<w.length)for(q=this.sqr(res);i<w.length;i++,q=this.sqr(q))0!==w[i]&&(res=this.mul(res,q));return res},Red.prototype.convertTo=function(num){return num.clone()},Red.prototype.convertFrom=function(num){var res=num.clone();return res.red=null,res},BN.mont=function(num){return new Mont(num)};function Mont(m){Red.call(this,m),this.shift=this.m.bitLength(),this.shift%26!=0&&(this.shift+=26-this.shift%26),this.r=new BN(1).ishln(this.shift),this.r2=this.imod(this.r.sqr()),this.rinv=this.r._invmp(this.m),this.minv=this.rinv.mul(this.r).isubn(1).div(this.m),this.minv.sign=!0,this.minv=this.minv.mod(this.r)}inherits(Mont,Red),Mont.prototype.convertTo=function(num){return this.imod(num.shln(this.shift))},Mont.prototype.convertFrom=function(num){var r=this.imod(num.mul(this.rinv));return r.red=null,r},Mont.prototype.imul=function(a,b){if(0===a.cmpn(0)||0===b.cmpn(0))return a.words[0]=0,a.length=1,a;var t=a.imul(b),c=t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m),u=t.isub(c).ishrn(this.shift),res=u;return u.cmp(this.m)>=0?res=u.isub(this.m):u.cmpn(0)<0&&(res=u.iadd(this.m)),res._forceRed(this)},Mont.prototype.mul=function(a,b){if(0===a.cmpn(0)||0===b.cmpn(0))return new BN(0)._forceRed(this);var t=a.mul(b),c=t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m),u=t.isub(c).ishrn(this.shift),res=u;return u.cmp(this.m)>=0?res=u.isub(this.m):u.cmpn(0)<0&&(res=u.iadd(this.m)),res._forceRed(this)},Mont.prototype.invm=function(a){return this.imod(a._invmp(this.m).mul(this.r2))._forceRed(this)}}(void 0===module||module,this)},{}],20:[function(require,module,exports){var r;module.exports=function(len){return r||(r=new Rand(null)),r.generate(len)};function Rand(rand){this.rand=rand}if(module.exports.Rand=Rand,Rand.prototype.generate=function(len){return this._rand(len)},Rand.prototype._rand=function(n){if(this.rand.getBytes)return this.rand.getBytes(n);for(var res=new Uint8Array(n),i=0;i<res.length;i++)res[i]=this.rand.getByte();return res},"object"==typeof self)self.crypto&&self.crypto.getRandomValues?Rand.prototype._rand=function(n){var arr=new Uint8Array(n);return self.crypto.getRandomValues(arr),arr}:self.msCrypto&&self.msCrypto.getRandomValues?Rand.prototype._rand=function(n){var arr=new Uint8Array(n);return self.msCrypto.getRandomValues(arr),arr}:"object"==typeof window&&(Rand.prototype._rand=function(){throw new Error("Not implemented yet")});else try{var crypto=require("crypto");if("function"!=typeof crypto.randomBytes)throw new Error("Not supported");Rand.prototype._rand=function(n){return crypto.randomBytes(n)}}catch(e){}},{crypto:21}],21:[function(require,module,exports){},{}],22:[function(require,module,exports){var Buffer=require("safe-buffer").Buffer;function asUInt32Array(buf){Buffer.isBuffer(buf)||(buf=Buffer.from(buf));for(var len=buf.length/4|0,out=new Array(len),i=0;i<len;i++)out[i]=buf.readUInt32BE(4*i);return out}function scrubVec(v){for(;0<v.length;v++)v[0]=0}function cryptBlock(M,keySchedule,SUB_MIX,SBOX,nRounds){for(var t0,t1,t2,t3,SUB_MIX0=SUB_MIX[0],SUB_MIX1=SUB_MIX[1],SUB_MIX2=SUB_MIX[2],SUB_MIX3=SUB_MIX[3],s0=M[0]^keySchedule[0],s1=M[1]^keySchedule[1],s2=M[2]^keySchedule[2],s3=M[3]^keySchedule[3],ksRow=4,round=1;round<nRounds;round++)t0=SUB_MIX0[s0>>>24]^SUB_MIX1[s1>>>16&255]^SUB_MIX2[s2>>>8&255]^SUB_MIX3[255&s3]^keySchedule[ksRow++],t1=SUB_MIX0[s1>>>24]^SUB_MIX1[s2>>>16&255]^SUB_MIX2[s3>>>8&255]^SUB_MIX3[255&s0]^keySchedule[ksRow++],t2=SUB_MIX0[s2>>>24]^SUB_MIX1[s3>>>16&255]^SUB_MIX2[s0>>>8&255]^SUB_MIX3[255&s1]^keySchedule[ksRow++],t3=SUB_MIX0[s3>>>24]^SUB_MIX1[s0>>>16&255]^SUB_MIX2[s1>>>8&255]^SUB_MIX3[255&s2]^keySchedule[ksRow++],s0=t0,s1=t1,s2=t2,s3=t3;return t0=(SBOX[s0>>>24]<<24|SBOX[s1>>>16&255]<<16|SBOX[s2>>>8&255]<<8|SBOX[255&s3])^keySchedule[ksRow++],t1=(SBOX[s1>>>24]<<24|SBOX[s2>>>16&255]<<16|SBOX[s3>>>8&255]<<8|SBOX[255&s0])^keySchedule[ksRow++],t2=(SBOX[s2>>>24]<<24|SBOX[s3>>>16&255]<<16|SBOX[s0>>>8&255]<<8|SBOX[255&s1])^keySchedule[ksRow++],t3=(SBOX[s3>>>24]<<24|SBOX[s0>>>16&255]<<16|SBOX[s1>>>8&255]<<8|SBOX[255&s2])^keySchedule[ksRow++],[t0>>>=0,t1>>>=0,t2>>>=0,t3>>>=0]}var RCON=[0,1,2,4,8,16,32,64,128,27,54],G=function(){for(var d=new Array(256),j=0;j<256;j++)d[j]=j<128?j<<1:j<<1^283;for(var SBOX=[],INV_SBOX=[],SUB_MIX=[[],[],[],[]],INV_SUB_MIX=[[],[],[],[]],x=0,xi=0,i=0;i<256;++i){var sx=xi^xi<<1^xi<<2^xi<<3^xi<<4;sx=sx>>>8^255&sx^99,SBOX[x]=sx,INV_SBOX[sx]=x;var x2=d[x],x4=d[x2],x8=d[x4],t=257*d[sx]^16843008*sx;SUB_MIX[0][x]=t<<24|t>>>8,SUB_MIX[1][x]=t<<16|t>>>16,SUB_MIX[2][x]=t<<8|t>>>24,SUB_MIX[3][x]=t,t=16843009*x8^65537*x4^257*x2^16843008*x,INV_SUB_MIX[0][sx]=t<<24|t>>>8,INV_SUB_MIX[1][sx]=t<<16|t>>>16,INV_SUB_MIX[2][sx]=t<<8|t>>>24,INV_SUB_MIX[3][sx]=t,0===x?x=xi=1:(x=x2^d[d[d[x8^x2]]],xi^=d[d[xi]])}return{SBOX:SBOX,INV_SBOX:INV_SBOX,SUB_MIX:SUB_MIX,INV_SUB_MIX:INV_SUB_MIX}}();function AES(key){this._key=asUInt32Array(key),this._reset()}AES.blockSize=16,AES.keySize=32,AES.prototype.blockSize=AES.blockSize,AES.prototype.keySize=AES.keySize,AES.prototype._reset=function(){for(var keyWords=this._key,keySize=keyWords.length,nRounds=keySize+6,ksRows=4*(nRounds+1),keySchedule=[],k=0;k<keySize;k++)keySchedule[k]=keyWords[k];for(k=keySize;k<ksRows;k++){var t=keySchedule[k-1];k%keySize==0?(t=t<<8|t>>>24,t=G.SBOX[t>>>24]<<24|G.SBOX[t>>>16&255]<<16|G.SBOX[t>>>8&255]<<8|G.SBOX[255&t],t^=RCON[k/keySize|0]<<24):keySize>6&&k%keySize==4&&(t=G.SBOX[t>>>24]<<24|G.SBOX[t>>>16&255]<<16|G.SBOX[t>>>8&255]<<8|G.SBOX[255&t]),keySchedule[k]=keySchedule[k-keySize]^t}for(var invKeySchedule=[],ik=0;ik<ksRows;ik++){var ksR=ksRows-ik,tt=keySchedule[ksR-(ik%4?0:4)];invKeySchedule[ik]=ik<4||ksR<=4?tt:G.INV_SUB_MIX[0][G.SBOX[tt>>>24]]^G.INV_SUB_MIX[1][G.SBOX[tt>>>16&255]]^G.INV_SUB_MIX[2][G.SBOX[tt>>>8&255]]^G.INV_SUB_MIX[3][G.SBOX[255&tt]]}this._nRounds=nRounds,this._keySchedule=keySchedule,this._invKeySchedule=invKeySchedule},AES.prototype.encryptBlockRaw=function(M){return cryptBlock(M=asUInt32Array(M),this._keySchedule,G.SUB_MIX,G.SBOX,this._nRounds)},AES.prototype.encryptBlock=function(M){var out=this.encryptBlockRaw(M),buf=Buffer.allocUnsafe(16);return buf.writeUInt32BE(out[0],0),buf.writeUInt32BE(out[1],4),buf.writeUInt32BE(out[2],8),buf.writeUInt32BE(out[3],12),buf},AES.prototype.decryptBlock=function(M){var m1=(M=asUInt32Array(M))[1];M[1]=M[3],M[3]=m1;var out=cryptBlock(M,this._invKeySchedule,G.INV_SUB_MIX,G.INV_SBOX,this._nRounds),buf=Buffer.allocUnsafe(16);return buf.writeUInt32BE(out[0],0),buf.writeUInt32BE(out[3],4),buf.writeUInt32BE(out[2],8),buf.writeUInt32BE(out[1],12),buf},AES.prototype.scrub=function(){scrubVec(this._keySchedule),scrubVec(this._invKeySchedule),scrubVec(this._key)},module.exports.AES=AES},{"safe-buffer":195}],23:[function(require,module,exports){var aes=require("./aes"),Buffer=require("safe-buffer").Buffer,Transform=require("cipher-base"),inherits=require("inherits"),GHASH=require("./ghash"),xor=require("buffer-xor"),incr32=require("./incr32");function StreamCipher(mode,key,iv,decrypt){Transform.call(this);var h=Buffer.alloc(4,0);this._cipher=new aes.AES(key);var ck=this._cipher.encryptBlock(h);this._ghash=new GHASH(ck),iv=function(self,iv,ck){if(12===iv.length)return self._finID=Buffer.concat([iv,Buffer.from([0,0,0,1])]),Buffer.concat([iv,Buffer.from([0,0,0,2])]);var ghash=new GHASH(ck),len=iv.length,toPad=len%16;ghash.update(iv),toPad&&(toPad=16-toPad,ghash.update(Buffer.alloc(toPad,0))),ghash.update(Buffer.alloc(8,0));var ivBits=8*len,tail=Buffer.alloc(8);tail.writeUIntBE(ivBits,0,8),ghash.update(tail),self._finID=ghash.state;var out=Buffer.from(self._finID);return incr32(out),out}(this,iv,ck),this._prev=Buffer.from(iv),this._cache=Buffer.allocUnsafe(0),this._secCache=Buffer.allocUnsafe(0),this._decrypt=decrypt,this._alen=0,this._len=0,this._mode=mode,this._authTag=null,this._called=!1}inherits(StreamCipher,Transform),StreamCipher.prototype._update=function(chunk){if(!this._called&&this._alen){var rump=16-this._alen%16;rump<16&&(rump=Buffer.alloc(rump,0),this._ghash.update(rump))}this._called=!0;var out=this._mode.encrypt(this,chunk);return this._decrypt?this._ghash.update(chunk):this._ghash.update(out),this._len+=chunk.length,out},StreamCipher.prototype._final=function(){if(this._decrypt&&!this._authTag)throw new Error("Unsupported state or unable to authenticate data");var tag=xor(this._ghash.final(8*this._alen,8*this._len),this._cipher.encryptBlock(this._finID));if(this._decrypt&&function(a,b){var out=0;a.length!==b.length&&out++;for(var len=Math.min(a.length,b.length),i=0;i<len;++i)out+=a[i]^b[i];return out}(tag,this._authTag))throw new Error("Unsupported state or unable to authenticate data");this._authTag=tag,this._cipher.scrub()},StreamCipher.prototype.getAuthTag=function(){if(this._decrypt||!Buffer.isBuffer(this._authTag))throw new Error("Attempting to get auth tag in unsupported state");return this._authTag},StreamCipher.prototype.setAuthTag=function(tag){if(!this._decrypt)throw new Error("Attempting to set auth tag in unsupported state");this._authTag=tag},StreamCipher.prototype.setAAD=function(buf){if(this._called)throw new Error("Attempting to set AAD in unsupported state");this._ghash.update(buf),this._alen+=buf.length},module.exports=StreamCipher},{"./aes":22,"./ghash":27,"./incr32":28,"buffer-xor":69,"cipher-base":75,inherits:145,"safe-buffer":195}],24:[function(require,module,exports){var ciphers=require("./encrypter"),deciphers=require("./decrypter"),modes=require("./modes/list.json");exports.createCipher=exports.Cipher=ciphers.createCipher,exports.createCipheriv=exports.Cipheriv=ciphers.createCipheriv,exports.createDecipher=exports.Decipher=deciphers.createDecipher,exports.createDecipheriv=exports.Decipheriv=deciphers.createDecipheriv,exports.listCiphers=exports.getCiphers=function(){return Object.keys(modes)}},{"./decrypter":25,"./encrypter":26,"./modes/list.json":36}],25:[function(require,module,exports){var AuthCipher=require("./authCipher"),Buffer=require("safe-buffer").Buffer,MODES=require("./modes"),StreamCipher=require("./streamCipher"),Transform=require("cipher-base"),aes=require("./aes"),ebtk=require("evp_bytestokey");function Decipher(mode,key,iv){Transform.call(this),this._cache=new Splitter,this._last=void 0,this._cipher=new aes.AES(key),this._prev=Buffer.from(iv),this._mode=mode,this._autopadding=!0}require("inherits")(Decipher,Transform),Decipher.prototype._update=function(data){this._cache.add(data);for(var chunk,thing,out=[];chunk=this._cache.get(this._autopadding);)thing=this._mode.decrypt(this,chunk),out.push(thing);return Buffer.concat(out)},Decipher.prototype._final=function(){var chunk=this._cache.flush();if(this._autopadding)return function(last){var padded=last[15],i=-1;for(;++i<padded;)if(last[i+(16-padded)]!==padded)throw new Error("unable to decrypt data");if(16===padded)return;return last.slice(0,16-padded)}(this._mode.decrypt(this,chunk));if(chunk)throw new Error("data not multiple of block length")},Decipher.prototype.setAutoPadding=function(setTo){return this._autopadding=!!setTo,this};function Splitter(){this.cache=Buffer.allocUnsafe(0)}Splitter.prototype.add=function(data){this.cache=Buffer.concat([this.cache,data])},Splitter.prototype.get=function(autoPadding){var out;if(autoPadding){if(this.cache.length>16)return out=this.cache.slice(0,16),this.cache=this.cache.slice(16),out}else if(this.cache.length>=16)return out=this.cache.slice(0,16),this.cache=this.cache.slice(16),out;return null},Splitter.prototype.flush=function(){if(this.cache.length)return this.cache};function createDecipheriv(suite,password,iv){var config=MODES[suite.toLowerCase()];if(!config)throw new TypeError("invalid suite type");if("string"==typeof iv&&(iv=Buffer.from(iv)),"GCM"!==config.mode&&iv.length!==config.iv)throw new TypeError("invalid iv length "+iv.length);if("string"==typeof password&&(password=Buffer.from(password)),password.length!==config.key/8)throw new TypeError("invalid key length "+password.length);return"stream"===config.type?new StreamCipher(config.module,password,iv,!0):"auth"===config.type?new AuthCipher(config.module,password,iv,!0):new Decipher(config.module,password,iv)}exports.createDecipher=function(suite,password){var config=MODES[suite.toLowerCase()];if(!config)throw new TypeError("invalid suite type");var keys=ebtk(password,!1,config.key,config.iv);return createDecipheriv(suite,keys.key,keys.iv)},exports.createDecipheriv=createDecipheriv},{"./aes":22,"./authCipher":23,"./modes":35,"./streamCipher":38,"cipher-base":75,evp_bytestokey:127,inherits:145,"safe-buffer":195}],26:[function(require,module,exports){var MODES=require("./modes"),AuthCipher=require("./authCipher"),Buffer=require("safe-buffer").Buffer,StreamCipher=require("./streamCipher"),Transform=require("cipher-base"),aes=require("./aes"),ebtk=require("evp_bytestokey");function Cipher(mode,key,iv){Transform.call(this),this._cache=new Splitter,this._cipher=new aes.AES(key),this._prev=Buffer.from(iv),this._mode=mode,this._autopadding=!0}require("inherits")(Cipher,Transform),Cipher.prototype._update=function(data){this._cache.add(data);for(var chunk,thing,out=[];chunk=this._cache.get();)thing=this._mode.encrypt(this,chunk),out.push(thing);return Buffer.concat(out)};var PADDING=Buffer.alloc(16,16);Cipher.prototype._final=function(){var chunk=this._cache.flush();if(this._autopadding)return chunk=this._mode.encrypt(this,chunk),this._cipher.scrub(),chunk;if(!chunk.equals(PADDING))throw this._cipher.scrub(),new Error("data not multiple of block length")},Cipher.prototype.setAutoPadding=function(setTo){return this._autopadding=!!setTo,this};function Splitter(){this.cache=Buffer.allocUnsafe(0)}Splitter.prototype.add=function(data){this.cache=Buffer.concat([this.cache,data])},Splitter.prototype.get=function(){if(this.cache.length>15){var out=this.cache.slice(0,16);return this.cache=this.cache.slice(16),out}return null},Splitter.prototype.flush=function(){for(var len=16-this.cache.length,padBuff=Buffer.allocUnsafe(len),i=-1;++i<len;)padBuff.writeUInt8(len,i);return Buffer.concat([this.cache,padBuff])};function createCipheriv(suite,password,iv){var config=MODES[suite.toLowerCase()];if(!config)throw new TypeError("invalid suite type");if("string"==typeof password&&(password=Buffer.from(password)),password.length!==config.key/8)throw new TypeError("invalid key length "+password.length);if("string"==typeof iv&&(iv=Buffer.from(iv)),"GCM"!==config.mode&&iv.length!==config.iv)throw new TypeError("invalid iv length "+iv.length);return"stream"===config.type?new StreamCipher(config.module,password,iv):"auth"===config.type?new AuthCipher(config.module,password,iv):new Cipher(config.module,password,iv)}exports.createCipheriv=createCipheriv,exports.createCipher=function(suite,password){var config=MODES[suite.toLowerCase()];if(!config)throw new TypeError("invalid suite type");var keys=ebtk(password,!1,config.key,config.iv);return createCipheriv(suite,keys.key,keys.iv)}},{"./aes":22,"./authCipher":23,"./modes":35,"./streamCipher":38,"cipher-base":75,evp_bytestokey:127,inherits:145,"safe-buffer":195}],27:[function(require,module,exports){var Buffer=require("safe-buffer").Buffer,ZEROES=Buffer.alloc(16,0);function fromArray(out){var buf=Buffer.allocUnsafe(16);return buf.writeUInt32BE(out[0]>>>0,0),buf.writeUInt32BE(out[1]>>>0,4),buf.writeUInt32BE(out[2]>>>0,8),buf.writeUInt32BE(out[3]>>>0,12),buf}function GHASH(key){this.h=key,this.state=Buffer.alloc(16,0),this.cache=Buffer.allocUnsafe(0)}GHASH.prototype.ghash=function(block){for(var i=-1;++i<block.length;)this.state[i]^=block[i];this._multiply()},GHASH.prototype._multiply=function(){for(var buf,j,lsbVi,Vi=(buf=this.h,[buf.readUInt32BE(0),buf.readUInt32BE(4),buf.readUInt32BE(8),buf.readUInt32BE(12)]),Zi=[0,0,0,0],i=-1;++i<128;){for(0!=(this.state[~~(i/8)]&1<<7-i%8)&&(Zi[0]^=Vi[0],Zi[1]^=Vi[1],Zi[2]^=Vi[2],Zi[3]^=Vi[3]),lsbVi=0!=(1&Vi[3]),j=3;j>0;j--)Vi[j]=Vi[j]>>>1|(1&Vi[j-1])<<31;Vi[0]=Vi[0]>>>1,lsbVi&&(Vi[0]=Vi[0]^225<<24)}this.state=fromArray(Zi)},GHASH.prototype.update=function(buf){this.cache=Buffer.concat([this.cache,buf]);for(var chunk;this.cache.length>=16;)chunk=this.cache.slice(0,16),this.cache=this.cache.slice(16),this.ghash(chunk)},GHASH.prototype.final=function(abl,bl){return this.cache.length&&this.ghash(Buffer.concat([this.cache,ZEROES],16)),this.ghash(fromArray([0,abl,0,bl])),this.state},module.exports=GHASH},{"safe-buffer":195}],28:[function(require,module,exports){module.exports=function(iv){for(var item,len=iv.length;len--;){if(255!==(item=iv.readUInt8(len))){item++,iv.writeUInt8(item,len);break}iv.writeUInt8(0,len)}}},{}],29:[function(require,module,exports){var xor=require("buffer-xor");exports.encrypt=function(self,block){var data=xor(block,self._prev);return self._prev=self._cipher.encryptBlock(data),self._prev},exports.decrypt=function(self,block){var pad=self._prev;self._prev=block;var out=self._cipher.decryptBlock(block);return xor(out,pad)}},{"buffer-xor":69}],30:[function(require,module,exports){var Buffer=require("safe-buffer").Buffer,xor=require("buffer-xor");function encryptStart(self,data,decrypt){var len=data.length,out=xor(data,self._cache);return self._cache=self._cache.slice(len),self._prev=Buffer.concat([self._prev,decrypt?data:out]),out}exports.encrypt=function(self,data,decrypt){for(var len,out=Buffer.allocUnsafe(0);data.length;){if(0===self._cache.length&&(self._cache=self._cipher.encryptBlock(self._prev),self._prev=Buffer.allocUnsafe(0)),!(self._cache.length<=data.length)){out=Buffer.concat([out,encryptStart(self,data,decrypt)]);break}len=self._cache.length,out=Buffer.concat([out,encryptStart(self,data.slice(0,len),decrypt)]),data=data.slice(len)}return out}},{"buffer-xor":69,"safe-buffer":195}],31:[function(require,module,exports){var Buffer=require("safe-buffer").Buffer;function encryptByte(self,byteParam,decrypt){for(var pad,bit,value,i=-1,out=0;++i<8;)pad=self._cipher.encryptBlock(self._prev),bit=byteParam&1<<7-i?128:0,out+=(128&(value=pad[0]^bit))>>i%8,self._prev=shiftIn(self._prev,decrypt?bit:value);return out}function shiftIn(buffer,value){var len=buffer.length,i=-1,out=Buffer.allocUnsafe(buffer.length);for(buffer=Buffer.concat([buffer,Buffer.from([value])]);++i<len;)out[i]=buffer[i]<<1|buffer[i+1]>>7;return out}exports.encrypt=function(self,chunk,decrypt){for(var len=chunk.length,out=Buffer.allocUnsafe(len),i=-1;++i<len;)out[i]=encryptByte(self,chunk[i],decrypt);return out}},{"safe-buffer":195}],32:[function(require,module,exports){var Buffer=require("safe-buffer").Buffer;function encryptByte(self,byteParam,decrypt){var out=self._cipher.encryptBlock(self._prev)[0]^byteParam;return self._prev=Buffer.concat([self._prev.slice(1),Buffer.from([decrypt?byteParam:out])]),out}exports.encrypt=function(self,chunk,decrypt){for(var len=chunk.length,out=Buffer.allocUnsafe(len),i=-1;++i<len;)out[i]=encryptByte(self,chunk[i],decrypt);return out}},{"safe-buffer":195}],33:[function(require,module,exports){var xor=require("buffer-xor"),Buffer=require("safe-buffer").Buffer,incr32=require("../incr32");function getBlock(self){var out=self._cipher.encryptBlockRaw(self._prev);return incr32(self._prev),out}exports.encrypt=function(self,chunk){var chunkNum=Math.ceil(chunk.length/16),start=self._cache.length;self._cache=Buffer.concat([self._cache,Buffer.allocUnsafe(16*chunkNum)]);for(var i=0;i<chunkNum;i++){var out=getBlock(self),offset=start+16*i;self._cache.writeUInt32BE(out[0],offset+0),self._cache.writeUInt32BE(out[1],offset+4),self._cache.writeUInt32BE(out[2],offset+8),self._cache.writeUInt32BE(out[3],offset+12)}var pad=self._cache.slice(0,chunk.length);return self._cache=self._cache.slice(chunk.length),xor(chunk,pad)}},{"../incr32":28,"buffer-xor":69,"safe-buffer":195}],34:[function(require,module,exports){exports.encrypt=function(self,block){return self._cipher.encryptBlock(block)},exports.decrypt=function(self,block){return self._cipher.decryptBlock(block)}},{}],35:[function(require,module,exports){var modeModules={ECB:require("./ecb"),CBC:require("./cbc"),CFB:require("./cfb"),CFB8:require("./cfb8"),CFB1:require("./cfb1"),OFB:require("./ofb"),CTR:require("./ctr"),GCM:require("./ctr")},modes=require("./list.json");for(var key in modes)modes[key].module=modeModules[modes[key].mode];module.exports=modes},{"./cbc":29,"./cfb":30,"./cfb1":31,"./cfb8":32,"./ctr":33,"./ecb":34,"./list.json":36,"./ofb":37}],36:[function(require,module,exports){module.exports={"aes-128-ecb":{cipher:"AES",key:128,iv:0,mode:"ECB",type:"block"},"aes-192-ecb":{cipher:"AES",key:192,iv:0,mode:"ECB",type:"block"},"aes-256-ecb":{cipher:"AES",key:256,iv:0,mode:"ECB",type:"block"},"aes-128-cbc":{cipher:"AES",key:128,iv:16,mode:"CBC",type:"block"},"aes-192-cbc":{cipher:"AES",key:192,iv:16,mode:"CBC",type:"block"},"aes-256-cbc":{cipher:"AES",key:256,iv:16,mode:"CBC",type:"block"},aes128:{cipher:"AES",key:128,iv:16,mode:"CBC",type:"block"},aes192:{cipher:"AES",key:192,iv:16,mode:"CBC",type:"block"},aes256:{cipher:"AES",key:256,iv:16,mode:"CBC",type:"block"},"aes-128-cfb":{cipher:"AES",key:128,iv:16,mode:"CFB",type:"stream"},"aes-192-cfb":{cipher:"AES",key:192,iv:16,mode:"CFB",type:"stream"},"aes-256-cfb":{cipher:"AES",key:256,iv:16,mode:"CFB",type:"stream"},"aes-128-cfb8":{cipher:"AES",key:128,iv:16,mode:"CFB8",type:"stream"},"aes-192-cfb8":{cipher:"AES",key:192,iv:16,mode:"CFB8",type:"stream"},"aes-256-cfb8":{cipher:"AES",key:256,iv:16,mode:"CFB8",type:"stream"},"aes-128-cfb1":{cipher:"AES",key:128,iv:16,mode:"CFB1",type:"stream"},"aes-192-cfb1":{cipher:"AES",key:192,iv:16,mode:"CFB1",type:"stream"},"aes-256-cfb1":{cipher:"AES",key:256,iv:16,mode:"CFB1",type:"stream"},"aes-128-ofb":{cipher:"AES",key:128,iv:16,mode:"OFB",type:"stream"},"aes-192-ofb":{cipher:"AES",key:192,iv:16,mode:"OFB",type:"stream"},"aes-256-ofb":{cipher:"AES",key:256,iv:16,mode:"OFB",type:"stream"},"aes-128-ctr":{cipher:"AES",key:128,iv:16,mode:"CTR",type:"stream"},"aes-192-ctr":{cipher:"AES",key:192,iv:16,mode:"CTR",type:"stream"},"aes-256-ctr":{cipher:"AES",key:256,iv:16,mode:"CTR",type:"stream"},"aes-128-gcm":{cipher:"AES",key:128,iv:12,mode:"GCM",type:"auth"},"aes-192-gcm":{cipher:"AES",key:192,iv:12,mode:"GCM",type:"auth"},"aes-256-gcm":{cipher:"AES",key:256,iv:12,mode:"GCM",type:"auth"}}},{}],37:[function(require,module,exports){(function(Buffer){var xor=require("buffer-xor");function getBlock(self){return self._prev=self._cipher.encryptBlock(self._prev),self._prev}exports.encrypt=function(self,chunk){for(;self._cache.length<chunk.length;)self._cache=Buffer.concat([self._cache,getBlock(self)]);var pad=self._cache.slice(0,chunk.length);return self._cache=self._cache.slice(chunk.length),xor(chunk,pad)}}).call(this,require("buffer").Buffer)},{buffer:70,"buffer-xor":69}],38:[function(require,module,exports){var aes=require("./aes"),Buffer=require("safe-buffer").Buffer,Transform=require("cipher-base");function StreamCipher(mode,key,iv,decrypt){Transform.call(this),this._cipher=new aes.AES(key),this._prev=Buffer.from(iv),this._cache=Buffer.allocUnsafe(0),this._secCache=Buffer.allocUnsafe(0),this._decrypt=decrypt,this._mode=mode}require("inherits")(StreamCipher,Transform),StreamCipher.prototype._update=function(chunk){return this._mode.encrypt(this,chunk,this._decrypt)},StreamCipher.prototype._final=function(){this._cipher.scrub()},module.exports=StreamCipher},{"./aes":22,"cipher-base":75,inherits:145,"safe-buffer":195}],39:[function(require,module,exports){var ebtk=require("evp_bytestokey"),aes=require("browserify-aes/browser"),DES=require("browserify-des"),desModes=require("browserify-des/modes"),aesModes=require("browserify-aes/modes");function createCipheriv(suite,key,iv){if(suite=suite.toLowerCase(),aesModes[suite])return aes.createCipheriv(suite,key,iv);if(desModes[suite])return new DES({key:key,iv:iv,mode:suite});throw new TypeError("invalid suite type")}function createDecipheriv(suite,key,iv){if(suite=suite.toLowerCase(),aesModes[suite])return aes.createDecipheriv(suite,key,iv);if(desModes[suite])return new DES({key:key,iv:iv,mode:suite,decrypt:!0});throw new TypeError("invalid suite type")}exports.createCipher=exports.Cipher=function(suite,password){var keyLen,ivLen;if(suite=suite.toLowerCase(),aesModes[suite])keyLen=aesModes[suite].key,ivLen=aesModes[suite].iv;else{if(!desModes[suite])throw new TypeError("invalid suite type");keyLen=8*desModes[suite].key,ivLen=desModes[suite].iv}var keys=ebtk(password,!1,keyLen,ivLen);return createCipheriv(suite,keys.key,keys.iv)},exports.createCipheriv=exports.Cipheriv=createCipheriv,exports.createDecipher=exports.Decipher=function(suite,password){var keyLen,ivLen;if(suite=suite.toLowerCase(),aesModes[suite])keyLen=aesModes[suite].key,ivLen=aesModes[suite].iv;else{if(!desModes[suite])throw new TypeError("invalid suite type");keyLen=8*desModes[suite].key,ivLen=desModes[suite].iv}var keys=ebtk(password,!1,keyLen,ivLen);return createDecipheriv(suite,keys.key,keys.iv)},exports.createDecipheriv=exports.Decipheriv=createDecipheriv;exports.listCiphers=exports.getCiphers=function(){return Object.keys(desModes).concat(aes.getCiphers())}},{"browserify-aes/browser":24,"browserify-aes/modes":35,"browserify-des":40,"browserify-des/modes":41,evp_bytestokey:127}],40:[function(require,module,exports){(function(Buffer){var CipherBase=require("cipher-base"),des=require("des.js"),inherits=require("inherits"),modes={"des-ede3-cbc":des.CBC.instantiate(des.EDE),"des-ede3":des.EDE,"des-ede-cbc":des.CBC.instantiate(des.EDE),"des-ede":des.EDE,"des-cbc":des.CBC.instantiate(des.DES),"des-ecb":des.DES};modes.des=modes["des-cbc"],modes.des3=modes["des-ede3-cbc"],module.exports=DES,inherits(DES,CipherBase);function DES(opts){CipherBase.call(this);var type,modeName=opts.mode.toLowerCase(),mode=modes[modeName];type=opts.decrypt?"decrypt":"encrypt";var key=opts.key;"des-ede"!==modeName&&"des-ede-cbc"!==modeName||(key=Buffer.concat([key,key.slice(0,8)]));var iv=opts.iv;this._des=mode.create({key:key,iv:iv,type:type})}DES.prototype._update=function(data){return new Buffer(this._des.update(data))},DES.prototype._final=function(){return new Buffer(this._des.final())}}).call(this,require("buffer").Buffer)},{buffer:70,"cipher-base":75,"des.js":101,inherits:145}],41:[function(require,module,exports){exports["des-ecb"]={key:8,iv:0},exports["des-cbc"]=exports.des={key:8,iv:8},exports["des-ede3-cbc"]=exports.des3={key:24,iv:8},exports["des-ede3"]={key:24,iv:0},exports["des-ede-cbc"]={key:16,iv:8},exports["des-ede"]={key:16,iv:0}},{}],42:[function(require,module,exports){(function(Buffer){var bn=require("bn.js"),randomBytes=require("randombytes");module.exports=crt;function crt(msg,priv){var blinds=function(priv){var r=getr(priv);return{blinder:r.toRed(bn.mont(priv.modulus)).redPow(new bn(priv.publicExponent)).fromRed(),unblinder:r.invm(priv.modulus)}}(priv),len=priv.modulus.byteLength(),blinded=(bn.mont(priv.modulus),new bn(msg).mul(blinds.blinder).umod(priv.modulus)),c1=blinded.toRed(bn.mont(priv.prime1)),c2=blinded.toRed(bn.mont(priv.prime2)),qinv=priv.coefficient,p=priv.prime1,q=priv.prime2,m1=c1.redPow(priv.exponent1),m2=c2.redPow(priv.exponent2);m1=m1.fromRed(),m2=m2.fromRed();var h=m1.isub(m2).imul(qinv).umod(p);return h.imul(q),m2.iadd(h),new Buffer(m2.imul(blinds.unblinder).umod(priv.modulus).toArray(!1,len))}crt.getr=getr;function getr(priv){for(var len=priv.modulus.byteLength(),r=new bn(randomBytes(len));r.cmp(priv.modulus)>=0||!r.umod(priv.prime1)||!r.umod(priv.prime2);)r=new bn(randomBytes(len));return r}}).call(this,require("buffer").Buffer)},{"bn.js":43,buffer:70,randombytes:178}],43:[function(require,module,exports){arguments[4][15][0].apply(exports,arguments)},{buffer:21,dup:15}],44:[function(require,module,exports){module.exports=require("./browser/algorithms.json")},{"./browser/algorithms.json":45}],45:[function(require,module,exports){module.exports={sha224WithRSAEncryption:{sign:"rsa",hash:"sha224",id:"302d300d06096086480165030402040500041c"},"RSA-SHA224":{sign:"ecdsa/rsa",hash:"sha224",id:"302d300d06096086480165030402040500041c"},sha256WithRSAEncryption:{sign:"rsa",hash:"sha256",id:"3031300d060960864801650304020105000420"},"RSA-SHA256":{sign:"ecdsa/rsa",hash:"sha256",id:"3031300d060960864801650304020105000420"},sha384WithRSAEncryption:{sign:"rsa",hash:"sha384",id:"3041300d060960864801650304020205000430"},"RSA-SHA384":{sign:"ecdsa/rsa",hash:"sha384",id:"3041300d060960864801650304020205000430"},sha512WithRSAEncryption:{sign:"rsa",hash:"sha512",id:"3051300d060960864801650304020305000440"},"RSA-SHA512":{sign:"ecdsa/rsa",hash:"sha512",id:"3051300d060960864801650304020305000440"},"RSA-SHA1":{sign:"rsa",hash:"sha1",id:"3021300906052b0e03021a05000414"},"ecdsa-with-SHA1":{sign:"ecdsa",hash:"sha1",id:""},sha256:{sign:"ecdsa",hash:"sha256",id:""},sha224:{sign:"ecdsa",hash:"sha224",id:""},sha384:{sign:"ecdsa",hash:"sha384",id:""},sha512:{sign:"ecdsa",hash:"sha512",id:""},"DSA-SHA":{sign:"dsa",hash:"sha1",id:""},"DSA-SHA1":{sign:"dsa",hash:"sha1",id:""},DSA:{sign:"dsa",hash:"sha1",id:""},"DSA-WITH-SHA224":{sign:"dsa",hash:"sha224",id:""},"DSA-SHA224":{sign:"dsa",hash:"sha224",id:""},"DSA-WITH-SHA256":{sign:"dsa",hash:"sha256",id:""},"DSA-SHA256":{sign:"dsa",hash:"sha256",id:""},"DSA-WITH-SHA384":{sign:"dsa",hash:"sha384",id:""},"DSA-SHA384":{sign:"dsa",hash:"sha384",id:""},"DSA-WITH-SHA512":{sign:"dsa",hash:"sha512",id:""},"DSA-SHA512":{sign:"dsa",hash:"sha512",id:""},"DSA-RIPEMD160":{sign:"dsa",hash:"rmd160",id:""},ripemd160WithRSA:{sign:"rsa",hash:"rmd160",id:"3021300906052b2403020105000414"},"RSA-RIPEMD160":{sign:"rsa",hash:"rmd160",id:"3021300906052b2403020105000414"},md5WithRSAEncryption:{sign:"rsa",hash:"md5",id:"3020300c06082a864886f70d020505000410"},"RSA-MD5":{sign:"rsa",hash:"md5",id:"3020300c06082a864886f70d020505000410"}}},{}],46:[function(require,module,exports){module.exports={"1.3.132.0.10":"secp256k1","1.3.132.0.33":"p224","1.2.840.10045.3.1.1":"p192","1.2.840.10045.3.1.7":"p256","1.3.132.0.34":"p384","1.3.132.0.35":"p521"}},{}],47:[function(require,module,exports){(function(Buffer){var createHash=require("create-hash"),stream=require("stream"),inherits=require("inherits"),sign=require("./sign"),verify=require("./verify"),algorithms=require("./algorithms.json");Object.keys(algorithms).forEach(function(key){algorithms[key].id=new Buffer(algorithms[key].id,"hex"),algorithms[key.toLowerCase()]=algorithms[key]});function Sign(algorithm){stream.Writable.call(this);var data=algorithms[algorithm];if(!data)throw new Error("Unknown message digest");this._hashType=data.hash,this._hash=createHash(data.hash),this._tag=data.id,this._signType=data.sign}inherits(Sign,stream.Writable),Sign.prototype._write=function(data,_,done){this._hash.update(data),done()},Sign.prototype.update=function(data,enc){return"string"==typeof data&&(data=new Buffer(data,enc)),this._hash.update(data),this},Sign.prototype.sign=function(key,enc){this.end();var hash=this._hash.digest(),sig=sign(hash,key,this._hashType,this._signType,this._tag);return enc?sig.toString(enc):sig};function Verify(algorithm){stream.Writable.call(this);var data=algorithms[algorithm];if(!data)throw new Error("Unknown message digest");this._hash=createHash(data.hash),this._tag=data.id,this._signType=data.sign}inherits(Verify,stream.Writable),Verify.prototype._write=function(data,_,done){this._hash.update(data),done()},Verify.prototype.update=function(data,enc){return"string"==typeof data&&(data=new Buffer(data,enc)),this._hash.update(data),this},Verify.prototype.verify=function(key,sig,enc){"string"==typeof sig&&(sig=new Buffer(sig,enc)),this.end();var hash=this._hash.digest();return verify(sig,hash,key,this._signType,this._tag)};function createSign(algorithm){return new Sign(algorithm)}function createVerify(algorithm){return new Verify(algorithm)}module.exports={Sign:createSign,Verify:createVerify,createSign:createSign,createVerify:createVerify}}).call(this,require("buffer").Buffer)},{"./algorithms.json":45,"./sign":48,"./verify":49,buffer:70,"create-hash":95,inherits:145,stream:204}],48:[function(require,module,exports){(function(Buffer){var createHmac=require("create-hmac"),crt=require("browserify-rsa"),EC=require("elliptic").ec,BN=require("bn.js"),parseKeys=require("parse-asn1"),curves=require("./curves.json");function getKey(x,q,hash,algo){if((x=new Buffer(x.toArray())).length<q.byteLength()){var zeros=new Buffer(q.byteLength()-x.length);zeros.fill(0),x=Buffer.concat([zeros,x])}var hlen=hash.length,hbits=function(bits,q){bits=(bits=bits2int(bits,q)).mod(q);var out=new Buffer(bits.toArray());if(out.length<q.byteLength()){var zeros=new Buffer(q.byteLength()-out.length);zeros.fill(0),out=Buffer.concat([zeros,out])}return out}(hash,q),v=new Buffer(hlen);v.fill(1);var k=new Buffer(hlen);return k.fill(0),k=createHmac(algo,k).update(v).update(new Buffer([0])).update(x).update(hbits).digest(),v=createHmac(algo,k).update(v).digest(),{k:k=createHmac(algo,k).update(v).update(new Buffer([1])).update(x).update(hbits).digest(),v:v=createHmac(algo,k).update(v).digest()}}function bits2int(obits,q){var bits=new BN(obits),shift=(obits.length<<3)-q.bitLength();return shift>0&&bits.ishrn(shift),bits}function makeKey(q,kv,algo){var t,k;do{for(t=new Buffer(0);8*t.length<q.bitLength();)kv.v=createHmac(algo,kv.k).update(kv.v).digest(),t=Buffer.concat([t,kv.v]);k=bits2int(t,q),kv.k=createHmac(algo,kv.k).update(kv.v).update(new Buffer([0])).digest(),kv.v=createHmac(algo,kv.k).update(kv.v).digest()}while(-1!==k.cmp(q));return k}function makeR(g,k,p,q){return g.toRed(BN.mont(p)).redPow(k).fromRed().mod(q)}module.exports=function(hash,key,hashType,signType,tag){var priv=parseKeys(key);if(priv.curve){if("ecdsa"!==signType&&"ecdsa/rsa"!==signType)throw new Error("wrong private key type");return function(hash,priv){var curveId=curves[priv.curve.join(".")];if(!curveId)throw new Error("unknown curve "+priv.curve.join("."));var out=new EC(curveId).keyFromPrivate(priv.privateKey).sign(hash);return new Buffer(out.toDER())}(hash,priv)}if("dsa"===priv.type){if("dsa"!==signType)throw new Error("wrong private key type");return function(hash,priv,algo){for(var k,x=priv.params.priv_key,p=priv.params.p,q=priv.params.q,g=priv.params.g,r=new BN(0),H=bits2int(hash,q).mod(q),s=!1,kv=getKey(x,q,hash,algo);!1===s;)k=makeKey(q,kv,algo),r=makeR(g,k,p,q),0===(s=k.invm(q).imul(H.add(x.mul(r))).mod(q)).cmpn(0)&&(s=!1,r=new BN(0));return function(r,s){r=r.toArray(),s=s.toArray(),128&r[0]&&(r=[0].concat(r)),128&s[0]&&(s=[0].concat(s));var res=[48,r.length+s.length+4,2,r.length];return res=res.concat(r,[2,s.length],s),new Buffer(res)}(r,s)}(hash,priv,hashType)}if("rsa"!==signType&&"ecdsa/rsa"!==signType)throw new Error("wrong private key type");hash=Buffer.concat([tag,hash]);for(var len=priv.modulus.byteLength(),pad=[0,1];hash.length+pad.length+1<len;)pad.push(255);pad.push(0);for(var i=-1;++i<hash.length;)pad.push(hash[i]);return crt(pad,priv)},module.exports.getKey=getKey,module.exports.makeKey=makeKey}).call(this,require("buffer").Buffer)},{"./curves.json":46,"bn.js":50,"browserify-rsa":42,buffer:70,"create-hmac":98,elliptic:51,"parse-asn1":159}],49:[function(require,module,exports){(function(Buffer){var BN=require("bn.js"),EC=require("elliptic").ec,parseKeys=require("parse-asn1"),curves=require("./curves.json");function checkValue(b,q){if(b.cmpn(0)<=0)throw new Error("invalid sig");if(b.cmp(q)>=q)throw new Error("invalid sig")}module.exports=function(sig,hash,key,signType,tag){var pub=parseKeys(key);if("ec"===pub.type){if("ecdsa"!==signType&&"ecdsa/rsa"!==signType)throw new Error("wrong public key type");return function(sig,hash,pub){var curveId=curves[pub.data.algorithm.curve.join(".")];if(!curveId)throw new Error("unknown curve "+pub.data.algorithm.curve.join("."));var curve=new EC(curveId),pubkey=pub.data.subjectPrivateKey.data;return curve.verify(hash,sig,pubkey)}(sig,hash,pub)}if("dsa"===pub.type){if("dsa"!==signType)throw new Error("wrong public key type");return function(sig,hash,pub){var p=pub.data.p,q=pub.data.q,g=pub.data.g,y=pub.data.pub_key,unpacked=parseKeys.signature.decode(sig,"der"),s=unpacked.s,r=unpacked.r;checkValue(s,q),checkValue(r,q);var montp=BN.mont(p),w=s.invm(q);return 0===g.toRed(montp).redPow(new BN(hash).mul(w).mod(q)).fromRed().mul(y.toRed(montp).redPow(r.mul(w).mod(q)).fromRed()).mod(p).mod(q).cmp(r)}(sig,hash,pub)}if("rsa"!==signType&&"ecdsa/rsa"!==signType)throw new Error("wrong public key type");hash=Buffer.concat([tag,hash]);for(var len=pub.modulus.byteLength(),pad=[1],padNum=0;hash.length+pad.length+2<len;)pad.push(255),padNum++;pad.push(0);for(var i=-1;++i<hash.length;)pad.push(hash[i]);pad=new Buffer(pad);var red=BN.mont(pub.modulus);sig=(sig=new BN(sig).toRed(red)).redPow(new BN(pub.publicExponent)),sig=new Buffer(sig.fromRed().toArray());var out=padNum<8?1:0;for(len=Math.min(sig.length,pad.length),sig.length!==pad.length&&(out=1),i=-1;++i<len;)out|=sig[i]^pad[i];return 0===out}}).call(this,require("buffer").Buffer)},{"./curves.json":46,"bn.js":50,buffer:70,elliptic:51,"parse-asn1":159}],50:[function(require,module,exports){arguments[4][15][0].apply(exports,arguments)},{buffer:21,dup:15}],51:[function(require,module,exports){"use strict";var elliptic=exports;elliptic.version=require("../package.json").version,elliptic.utils=require("./elliptic/utils"),elliptic.rand=require("brorand"),elliptic.curve=require("./elliptic/curve"),elliptic.curves=require("./elliptic/curves"),elliptic.ec=require("./elliptic/ec"),elliptic.eddsa=require("./elliptic/eddsa")},{"../package.json":66,"./elliptic/curve":54,"./elliptic/curves":57,"./elliptic/ec":58,"./elliptic/eddsa":61,"./elliptic/utils":65,brorand:20}],52:[function(require,module,exports){"use strict";var BN=require("bn.js"),utils=require("../../elliptic").utils,getNAF=utils.getNAF,getJSF=utils.getJSF,assert=utils.assert;function BaseCurve(type,conf){this.type=type,this.p=new BN(conf.p,16),this.red=conf.prime?BN.red(conf.prime):BN.mont(this.p),this.zero=new BN(0).toRed(this.red),this.one=new BN(1).toRed(this.red),this.two=new BN(2).toRed(this.red),this.n=conf.n&&new BN(conf.n,16),this.g=conf.g&&this.pointFromJSON(conf.g,conf.gRed),this._wnafT1=new Array(4),this._wnafT2=new Array(4),this._wnafT3=new Array(4),this._wnafT4=new Array(4);var adjustCount=this.n&&this.p.div(this.n);!adjustCount||adjustCount.cmpn(100)>0?this.redN=null:(this._maxwellTrick=!0,this.redN=this.n.toRed(this.red))}module.exports=BaseCurve,BaseCurve.prototype.point=function(){throw new Error("Not implemented")},BaseCurve.prototype.validate=function(){throw new Error("Not implemented")},BaseCurve.prototype._fixedNafMul=function(p,k){assert(p.precomputed);var doubles=p._getDoubles(),naf=getNAF(k,1),I=(1<<doubles.step+1)-(doubles.step%2==0?2:1);I/=3;for(var repr=[],j=0;j<naf.length;j+=doubles.step){var nafW=0;for(k=j+doubles.step-1;k>=j;k--)nafW=(nafW<<1)+naf[k];repr.push(nafW)}for(var a=this.jpoint(null,null,null),b=this.jpoint(null,null,null),i=I;i>0;i--){for(j=0;j<repr.length;j++){(nafW=repr[j])===i?b=b.mixedAdd(doubles.points[j]):nafW===-i&&(b=b.mixedAdd(doubles.points[j].neg()))}a=a.add(b)}return a.toP()},BaseCurve.prototype._wnafMul=function(p,k){var w=4,nafPoints=p._getNAFPoints(w);w=nafPoints.wnd;for(var wnd=nafPoints.points,naf=getNAF(k,w),acc=this.jpoint(null,null,null),i=naf.length-1;i>=0;i--){for(k=0;i>=0&&0===naf[i];i--)k++;if(i>=0&&k++,acc=acc.dblp(k),i<0)break;var z=naf[i];assert(0!==z),acc="affine"===p.type?z>0?acc.mixedAdd(wnd[z-1>>1]):acc.mixedAdd(wnd[-z-1>>1].neg()):z>0?acc.add(wnd[z-1>>1]):acc.add(wnd[-z-1>>1].neg())}return"affine"===p.type?acc.toP():acc},BaseCurve.prototype._wnafMulAdd=function(defW,points,coeffs,len,jacobianResult){for(var wndWidth=this._wnafT1,wnd=this._wnafT2,naf=this._wnafT3,max=0,i=0;i<len;i++){var nafPoints=(p=points[i])._getNAFPoints(defW);wndWidth[i]=nafPoints.wnd,wnd[i]=nafPoints.points}for(i=len-1;i>=1;i-=2){var a=i-1,b=i;if(1===wndWidth[a]&&1===wndWidth[b]){var comb=[points[a],null,null,points[b]];0===points[a].y.cmp(points[b].y)?(comb[1]=points[a].add(points[b]),comb[2]=points[a].toJ().mixedAdd(points[b].neg())):0===points[a].y.cmp(points[b].y.redNeg())?(comb[1]=points[a].toJ().mixedAdd(points[b]),comb[2]=points[a].add(points[b].neg())):(comb[1]=points[a].toJ().mixedAdd(points[b]),comb[2]=points[a].toJ().mixedAdd(points[b].neg()));var index=[-3,-1,-5,-7,0,7,5,1,3],jsf=getJSF(coeffs[a],coeffs[b]);max=Math.max(jsf[0].length,max),naf[a]=new Array(max),naf[b]=new Array(max);for(var j=0;j<max;j++){var ja=0|jsf[0][j],jb=0|jsf[1][j];naf[a][j]=index[3*(ja+1)+(jb+1)],naf[b][j]=0,wnd[a]=comb}}else naf[a]=getNAF(coeffs[a],wndWidth[a]),naf[b]=getNAF(coeffs[b],wndWidth[b]),max=Math.max(naf[a].length,max),max=Math.max(naf[b].length,max)}var acc=this.jpoint(null,null,null),tmp=this._wnafT4;for(i=max;i>=0;i--){for(var k=0;i>=0;){var zero=!0;for(j=0;j<len;j++)tmp[j]=0|naf[j][i],0!==tmp[j]&&(zero=!1);if(!zero)break;k++,i--}if(i>=0&&k++,acc=acc.dblp(k),i<0)break;for(j=0;j<len;j++){var p,z=tmp[j];0!==z&&(z>0?p=wnd[j][z-1>>1]:z<0&&(p=wnd[j][-z-1>>1].neg()),acc="affine"===p.type?acc.mixedAdd(p):acc.add(p))}}for(i=0;i<len;i++)wnd[i]=null;return jacobianResult?acc:acc.toP()};function BasePoint(curve,type){this.curve=curve,this.type=type,this.precomputed=null}BaseCurve.BasePoint=BasePoint,BasePoint.prototype.eq=function(){throw new Error("Not implemented")},BasePoint.prototype.validate=function(){return this.curve.validate(this)},BaseCurve.prototype.decodePoint=function(bytes,enc){bytes=utils.toArray(bytes,enc);var len=this.p.byteLength();if((4===bytes[0]||6===bytes[0]||7===bytes[0])&&bytes.length-1==2*len){6===bytes[0]?assert(bytes[bytes.length-1]%2==0):7===bytes[0]&&assert(bytes[bytes.length-1]%2==1);return this.point(bytes.slice(1,1+len),bytes.slice(1+len,1+2*len))}if((2===bytes[0]||3===bytes[0])&&bytes.length-1===len)return this.pointFromX(bytes.slice(1,1+len),3===bytes[0]);throw new Error("Unknown point format")},BasePoint.prototype.encodeCompressed=function(enc){return this.encode(enc,!0)},BasePoint.prototype._encode=function(compact){var len=this.curve.p.byteLength(),x=this.getX().toArray("be",len);return compact?[this.getY().isEven()?2:3].concat(x):[4].concat(x,this.getY().toArray("be",len))},BasePoint.prototype.encode=function(enc,compact){return utils.encode(this._encode(compact),enc)},BasePoint.prototype.precompute=function(power){if(this.precomputed)return this;var precomputed={doubles:null,naf:null,beta:null};return precomputed.naf=this._getNAFPoints(8),precomputed.doubles=this._getDoubles(4,power),precomputed.beta=this._getBeta(),this.precomputed=precomputed,this},BasePoint.prototype._hasDoubles=function(k){if(!this.precomputed)return!1;var doubles=this.precomputed.doubles;return!!doubles&&doubles.points.length>=Math.ceil((k.bitLength()+1)/doubles.step)},BasePoint.prototype._getDoubles=function(step,power){if(this.precomputed&&this.precomputed.doubles)return this.precomputed.doubles;for(var doubles=[this],acc=this,i=0;i<power;i+=step){for(var j=0;j<step;j++)acc=acc.dbl();doubles.push(acc)}return{step:step,points:doubles}},BasePoint.prototype._getNAFPoints=function(wnd){if(this.precomputed&&this.precomputed.naf)return this.precomputed.naf;for(var res=[this],max=(1<<wnd)-1,dbl=1===max?null:this.dbl(),i=1;i<max;i++)res[i]=res[i-1].add(dbl);return{wnd:wnd,points:res}},BasePoint.prototype._getBeta=function(){return null},BasePoint.prototype.dblp=function(k){for(var r=this,i=0;i<k;i++)r=r.dbl();return r}},{"../../elliptic":51,"bn.js":50}],53:[function(require,module,exports){"use strict";var curve=require("../curve"),elliptic=require("../../elliptic"),BN=require("bn.js"),inherits=require("inherits"),Base=curve.base,assert=elliptic.utils.assert;function EdwardsCurve(conf){this.twisted=1!=(0|conf.a),this.mOneA=this.twisted&&-1==(0|conf.a),this.extended=this.mOneA,Base.call(this,"edwards",conf),this.a=new BN(conf.a,16).umod(this.red.m),this.a=this.a.toRed(this.red),this.c=new BN(conf.c,16).toRed(this.red),this.c2=this.c.redSqr(),this.d=new BN(conf.d,16).toRed(this.red),this.dd=this.d.redAdd(this.d),assert(!this.twisted||0===this.c.fromRed().cmpn(1)),this.oneC=1==(0|conf.c)}inherits(EdwardsCurve,Base),module.exports=EdwardsCurve,EdwardsCurve.prototype._mulA=function(num){return this.mOneA?num.redNeg():this.a.redMul(num)},EdwardsCurve.prototype._mulC=function(num){return this.oneC?num:this.c.redMul(num)},EdwardsCurve.prototype.jpoint=function(x,y,z,t){return this.point(x,y,z,t)},EdwardsCurve.prototype.pointFromX=function(x,odd){(x=new BN(x,16)).red||(x=x.toRed(this.red));var x2=x.redSqr(),rhs=this.c2.redSub(this.a.redMul(x2)),lhs=this.one.redSub(this.c2.redMul(this.d).redMul(x2)),y2=rhs.redMul(lhs.redInvm()),y=y2.redSqrt();if(0!==y.redSqr().redSub(y2).cmp(this.zero))throw new Error("invalid point");var isOdd=y.fromRed().isOdd();return(odd&&!isOdd||!odd&&isOdd)&&(y=y.redNeg()),this.point(x,y)},EdwardsCurve.prototype.pointFromY=function(y,odd){(y=new BN(y,16)).red||(y=y.toRed(this.red));var y2=y.redSqr(),lhs=y2.redSub(this.one),rhs=y2.redMul(this.d).redAdd(this.one),x2=lhs.redMul(rhs.redInvm());if(0===x2.cmp(this.zero)){if(odd)throw new Error("invalid point");return this.point(this.zero,y)}var x=x2.redSqrt();if(0!==x.redSqr().redSub(x2).cmp(this.zero))throw new Error("invalid point");return x.isOdd()!==odd&&(x=x.redNeg()),this.point(x,y)},EdwardsCurve.prototype.validate=function(point){if(point.isInfinity())return!0;point.normalize();var x2=point.x.redSqr(),y2=point.y.redSqr(),lhs=x2.redMul(this.a).redAdd(y2),rhs=this.c2.redMul(this.one.redAdd(this.d.redMul(x2).redMul(y2)));return 0===lhs.cmp(rhs)};function Point(curve,x,y,z,t){Base.BasePoint.call(this,curve,"projective"),null===x&&null===y&&null===z?(this.x=this.curve.zero,this.y=this.curve.one,this.z=this.curve.one,this.t=this.curve.zero,this.zOne=!0):(this.x=new BN(x,16),this.y=new BN(y,16),this.z=z?new BN(z,16):this.curve.one,this.t=t&&new BN(t,16),this.x.red||(this.x=this.x.toRed(this.curve.red)),this.y.red||(this.y=this.y.toRed(this.curve.red)),this.z.red||(this.z=this.z.toRed(this.curve.red)),this.t&&!this.t.red&&(this.t=this.t.toRed(this.curve.red)),this.zOne=this.z===this.curve.one,this.curve.extended&&!this.t&&(this.t=this.x.redMul(this.y),this.zOne||(this.t=this.t.redMul(this.z.redInvm()))))}inherits(Point,Base.BasePoint),EdwardsCurve.prototype.pointFromJSON=function(obj){return Point.fromJSON(this,obj)},EdwardsCurve.prototype.point=function(x,y,z,t){return new Point(this,x,y,z,t)},Point.fromJSON=function(curve,obj){return new Point(curve,obj[0],obj[1],obj[2])},Point.prototype.inspect=function(){return this.isInfinity()?"<EC Point Infinity>":"<EC Point x: "+this.x.fromRed().toString(16,2)+" y: "+this.y.fromRed().toString(16,2)+" z: "+this.z.fromRed().toString(16,2)+">"},Point.prototype.isInfinity=function(){return 0===this.x.cmpn(0)&&0===this.y.cmp(this.z)},Point.prototype._extDbl=function(){var a=this.x.redSqr(),b=this.y.redSqr(),c=this.z.redSqr();c=c.redIAdd(c);var d=this.curve._mulA(a),e=this.x.redAdd(this.y).redSqr().redISub(a).redISub(b),g=d.redAdd(b),f=g.redSub(c),h=d.redSub(b),nx=e.redMul(f),ny=g.redMul(h),nt=e.redMul(h),nz=f.redMul(g);return this.curve.point(nx,ny,nz,nt)},Point.prototype._projDbl=function(){var nx,ny,nz,b=this.x.redAdd(this.y).redSqr(),c=this.x.redSqr(),d=this.y.redSqr();if(this.curve.twisted){var f=(e=this.curve._mulA(c)).redAdd(d);if(this.zOne)nx=b.redSub(c).redSub(d).redMul(f.redSub(this.curve.two)),ny=f.redMul(e.redSub(d)),nz=f.redSqr().redSub(f).redSub(f);else{var h=this.z.redSqr(),j=f.redSub(h).redISub(h);nx=b.redSub(c).redISub(d).redMul(j),ny=f.redMul(e.redSub(d)),nz=f.redMul(j)}}else{var e=c.redAdd(d);h=this.curve._mulC(this.c.redMul(this.z)).redSqr(),j=e.redSub(h).redSub(h);nx=this.curve._mulC(b.redISub(e)).redMul(j),ny=this.curve._mulC(e).redMul(c.redISub(d)),nz=e.redMul(j)}return this.curve.point(nx,ny,nz)},Point.prototype.dbl=function(){return this.isInfinity()?this:this.curve.extended?this._extDbl():this._projDbl()},Point.prototype._extAdd=function(p){var a=this.y.redSub(this.x).redMul(p.y.redSub(p.x)),b=this.y.redAdd(this.x).redMul(p.y.redAdd(p.x)),c=this.t.redMul(this.curve.dd).redMul(p.t),d=this.z.redMul(p.z.redAdd(p.z)),e=b.redSub(a),f=d.redSub(c),g=d.redAdd(c),h=b.redAdd(a),nx=e.redMul(f),ny=g.redMul(h),nt=e.redMul(h),nz=f.redMul(g);return this.curve.point(nx,ny,nz,nt)},Point.prototype._projAdd=function(p){var ny,nz,a=this.z.redMul(p.z),b=a.redSqr(),c=this.x.redMul(p.x),d=this.y.redMul(p.y),e=this.curve.d.redMul(c).redMul(d),f=b.redSub(e),g=b.redAdd(e),tmp=this.x.redAdd(this.y).redMul(p.x.redAdd(p.y)).redISub(c).redISub(d),nx=a.redMul(f).redMul(tmp);return this.curve.twisted?(ny=a.redMul(g).redMul(d.redSub(this.curve._mulA(c))),nz=f.redMul(g)):(ny=a.redMul(g).redMul(d.redSub(c)),nz=this.curve._mulC(f).redMul(g)),this.curve.point(nx,ny,nz)},Point.prototype.add=function(p){return this.isInfinity()?p:p.isInfinity()?this:this.curve.extended?this._extAdd(p):this._projAdd(p)},Point.prototype.mul=function(k){return this._hasDoubles(k)?this.curve._fixedNafMul(this,k):this.curve._wnafMul(this,k)},Point.prototype.mulAdd=function(k1,p,k2){return this.curve._wnafMulAdd(1,[this,p],[k1,k2],2,!1)},Point.prototype.jmulAdd=function(k1,p,k2){return this.curve._wnafMulAdd(1,[this,p],[k1,k2],2,!0)},Point.prototype.normalize=function(){if(this.zOne)return this;var zi=this.z.redInvm();return this.x=this.x.redMul(zi),this.y=this.y.redMul(zi),this.t&&(this.t=this.t.redMul(zi)),this.z=this.curve.one,this.zOne=!0,this},Point.prototype.neg=function(){return this.curve.point(this.x.redNeg(),this.y,this.z,this.t&&this.t.redNeg())},Point.prototype.getX=function(){return this.normalize(),this.x.fromRed()},Point.prototype.getY=function(){return this.normalize(),this.y.fromRed()},Point.prototype.eq=function(other){return this===other||0===this.getX().cmp(other.getX())&&0===this.getY().cmp(other.getY())},Point.prototype.eqXToP=function(x){var rx=x.toRed(this.curve.red).redMul(this.z);if(0===this.x.cmp(rx))return!0;for(var xc=x.clone(),t=this.curve.redN.redMul(this.z);;){if(xc.iadd(this.curve.n),xc.cmp(this.curve.p)>=0)return!1;if(rx.redIAdd(t),0===this.x.cmp(rx))return!0}return!1},Point.prototype.toP=Point.prototype.normalize,Point.prototype.mixedAdd=Point.prototype.add},{"../../elliptic":51,"../curve":54,"bn.js":50,inherits:145}],54:[function(require,module,exports){"use strict";var curve=exports;curve.base=require("./base"),curve.short=require("./short"),curve.mont=require("./mont"),curve.edwards=require("./edwards")},{"./base":52,"./edwards":53,"./mont":55,"./short":56}],55:[function(require,module,exports){"use strict";var curve=require("../curve"),BN=require("bn.js"),inherits=require("inherits"),Base=curve.base,utils=require("../../elliptic").utils;function MontCurve(conf){Base.call(this,"mont",conf),this.a=new BN(conf.a,16).toRed(this.red),this.b=new BN(conf.b,16).toRed(this.red),this.i4=new BN(4).toRed(this.red).redInvm(),this.two=new BN(2).toRed(this.red),this.a24=this.i4.redMul(this.a.redAdd(this.two))}inherits(MontCurve,Base),module.exports=MontCurve,MontCurve.prototype.validate=function(point){var x=point.normalize().x,x2=x.redSqr(),rhs=x2.redMul(x).redAdd(x2.redMul(this.a)).redAdd(x);return 0===rhs.redSqrt().redSqr().cmp(rhs)};function Point(curve,x,z){Base.BasePoint.call(this,curve,"projective"),null===x&&null===z?(this.x=this.curve.one,this.z=this.curve.zero):(this.x=new BN(x,16),this.z=new BN(z,16),this.x.red||(this.x=this.x.toRed(this.curve.red)),this.z.red||(this.z=this.z.toRed(this.curve.red)))}inherits(Point,Base.BasePoint),MontCurve.prototype.decodePoint=function(bytes,enc){return this.point(utils.toArray(bytes,enc),1)},MontCurve.prototype.point=function(x,z){return new Point(this,x,z)},MontCurve.prototype.pointFromJSON=function(obj){return Point.fromJSON(this,obj)},Point.prototype.precompute=function(){},Point.prototype._encode=function(){return this.getX().toArray("be",this.curve.p.byteLength())},Point.fromJSON=function(curve,obj){return new Point(curve,obj[0],obj[1]||curve.one)},Point.prototype.inspect=function(){return this.isInfinity()?"<EC Point Infinity>":"<EC Point x: "+this.x.fromRed().toString(16,2)+" z: "+this.z.fromRed().toString(16,2)+">"},Point.prototype.isInfinity=function(){return 0===this.z.cmpn(0)},Point.prototype.dbl=function(){var aa=this.x.redAdd(this.z).redSqr(),bb=this.x.redSub(this.z).redSqr(),c=aa.redSub(bb),nx=aa.redMul(bb),nz=c.redMul(bb.redAdd(this.curve.a24.redMul(c)));return this.curve.point(nx,nz)},Point.prototype.add=function(){throw new Error("Not supported on Montgomery curve")},Point.prototype.diffAdd=function(p,diff){var a=this.x.redAdd(this.z),b=this.x.redSub(this.z),c=p.x.redAdd(p.z),da=p.x.redSub(p.z).redMul(a),cb=c.redMul(b),nx=diff.z.redMul(da.redAdd(cb).redSqr()),nz=diff.x.redMul(da.redISub(cb).redSqr());return this.curve.point(nx,nz)},Point.prototype.mul=function(k){for(var t=k.clone(),a=this,b=this.curve.point(null,null),bits=[];0!==t.cmpn(0);t.iushrn(1))bits.push(t.andln(1));for(var i=bits.length-1;i>=0;i--)0===bits[i]?(a=a.diffAdd(b,this),b=b.dbl()):(b=a.diffAdd(b,this),a=a.dbl());return b},Point.prototype.mulAdd=function(){throw new Error("Not supported on Montgomery curve")},Point.prototype.jumlAdd=function(){throw new Error("Not supported on Montgomery curve")},Point.prototype.eq=function(other){return 0===this.getX().cmp(other.getX())},Point.prototype.normalize=function(){return this.x=this.x.redMul(this.z.redInvm()),this.z=this.curve.one,this},Point.prototype.getX=function(){return this.normalize(),this.x.fromRed()}},{"../../elliptic":51,"../curve":54,"bn.js":50,inherits:145}],56:[function(require,module,exports){"use strict";var curve=require("../curve"),elliptic=require("../../elliptic"),BN=require("bn.js"),inherits=require("inherits"),Base=curve.base,assert=elliptic.utils.assert;function ShortCurve(conf){Base.call(this,"short",conf),this.a=new BN(conf.a,16).toRed(this.red),this.b=new BN(conf.b,16).toRed(this.red),this.tinv=this.two.redInvm(),this.zeroA=0===this.a.fromRed().cmpn(0),this.threeA=0===this.a.fromRed().sub(this.p).cmpn(-3),this.endo=this._getEndomorphism(conf),this._endoWnafT1=new Array(4),this._endoWnafT2=new Array(4)}inherits(ShortCurve,Base),module.exports=ShortCurve,ShortCurve.prototype._getEndomorphism=function(conf){if(this.zeroA&&this.g&&this.n&&1===this.p.modn(3)){var beta,lambda;if(conf.beta)beta=new BN(conf.beta,16).toRed(this.red);else{var betas=this._getEndoRoots(this.p);beta=(beta=betas[0].cmp(betas[1])<0?betas[0]:betas[1]).toRed(this.red)}if(conf.lambda)lambda=new BN(conf.lambda,16);else{var lambdas=this._getEndoRoots(this.n);0===this.g.mul(lambdas[0]).x.cmp(this.g.x.redMul(beta))?lambda=lambdas[0]:(lambda=lambdas[1],assert(0===this.g.mul(lambda).x.cmp(this.g.x.redMul(beta))))}return{beta:beta,lambda:lambda,basis:conf.basis?conf.basis.map(function(vec){return{a:new BN(vec.a,16),b:new BN(vec.b,16)}}):this._getEndoBasis(lambda)}}},ShortCurve.prototype._getEndoRoots=function(num){var red=num===this.p?this.red:BN.mont(num),tinv=new BN(2).toRed(red).redInvm(),ntinv=tinv.redNeg(),s=new BN(3).toRed(red).redNeg().redSqrt().redMul(tinv);return[ntinv.redAdd(s).fromRed(),ntinv.redSub(s).fromRed()]},ShortCurve.prototype._getEndoBasis=function(lambda){for(var a0,b0,a1,b1,a2,b2,prevR,r,x,aprxSqrt=this.n.ushrn(Math.floor(this.n.bitLength()/2)),u=lambda,v=this.n.clone(),x1=new BN(1),y1=new BN(0),x2=new BN(0),y2=new BN(1),i=0;0!==u.cmpn(0);){var q=v.div(u);r=v.sub(q.mul(u)),x=x2.sub(q.mul(x1));var y=y2.sub(q.mul(y1));if(!a1&&r.cmp(aprxSqrt)<0)a0=prevR.neg(),b0=x1,a1=r.neg(),b1=x;else if(a1&&2==++i)break;prevR=r,v=u,u=r,x2=x1,x1=x,y2=y1,y1=y}a2=r.neg(),b2=x;var len1=a1.sqr().add(b1.sqr());return a2.sqr().add(b2.sqr()).cmp(len1)>=0&&(a2=a0,b2=b0),a1.negative&&(a1=a1.neg(),b1=b1.neg()),a2.negative&&(a2=a2.neg(),b2=b2.neg()),[{a:a1,b:b1},{a:a2,b:b2}]},ShortCurve.prototype._endoSplit=function(k){var basis=this.endo.basis,v1=basis[0],v2=basis[1],c1=v2.b.mul(k).divRound(this.n),c2=v1.b.neg().mul(k).divRound(this.n),p1=c1.mul(v1.a),p2=c2.mul(v2.a),q1=c1.mul(v1.b),q2=c2.mul(v2.b);return{k1:k.sub(p1).sub(p2),k2:q1.add(q2).neg()}},ShortCurve.prototype.pointFromX=function(x,odd){(x=new BN(x,16)).red||(x=x.toRed(this.red));var y2=x.redSqr().redMul(x).redIAdd(x.redMul(this.a)).redIAdd(this.b),y=y2.redSqrt();if(0!==y.redSqr().redSub(y2).cmp(this.zero))throw new Error("invalid point");var isOdd=y.fromRed().isOdd();return(odd&&!isOdd||!odd&&isOdd)&&(y=y.redNeg()),this.point(x,y)},ShortCurve.prototype.validate=function(point){if(point.inf)return!0;var x=point.x,y=point.y,ax=this.a.redMul(x),rhs=x.redSqr().redMul(x).redIAdd(ax).redIAdd(this.b);return 0===y.redSqr().redISub(rhs).cmpn(0)},ShortCurve.prototype._endoWnafMulAdd=function(points,coeffs,jacobianResult){for(var npoints=this._endoWnafT1,ncoeffs=this._endoWnafT2,i=0;i<points.length;i++){var split=this._endoSplit(coeffs[i]),p=points[i],beta=p._getBeta();split.k1.negative&&(split.k1.ineg(),p=p.neg(!0)),split.k2.negative&&(split.k2.ineg(),beta=beta.neg(!0)),npoints[2*i]=p,npoints[2*i+1]=beta,ncoeffs[2*i]=split.k1,ncoeffs[2*i+1]=split.k2}for(var res=this._wnafMulAdd(1,npoints,ncoeffs,2*i,jacobianResult),j=0;j<2*i;j++)npoints[j]=null,ncoeffs[j]=null;return res};function Point(curve,x,y,isRed){Base.BasePoint.call(this,curve,"affine"),null===x&&null===y?(this.x=null,this.y=null,this.inf=!0):(this.x=new BN(x,16),this.y=new BN(y,16),isRed&&(this.x.forceRed(this.curve.red),this.y.forceRed(this.curve.red)),this.x.red||(this.x=this.x.toRed(this.curve.red)),this.y.red||(this.y=this.y.toRed(this.curve.red)),this.inf=!1)}inherits(Point,Base.BasePoint),ShortCurve.prototype.point=function(x,y,isRed){return new Point(this,x,y,isRed)},ShortCurve.prototype.pointFromJSON=function(obj,red){return Point.fromJSON(this,obj,red)},Point.prototype._getBeta=function(){if(this.curve.endo){var pre=this.precomputed;if(pre&&pre.beta)return pre.beta;var beta=this.curve.point(this.x.redMul(this.curve.endo.beta),this.y);if(pre){var curve=this.curve,endoMul=function(p){return curve.point(p.x.redMul(curve.endo.beta),p.y)};pre.beta=beta,beta.precomputed={beta:null,naf:pre.naf&&{wnd:pre.naf.wnd,points:pre.naf.points.map(endoMul)},doubles:pre.doubles&&{step:pre.doubles.step,points:pre.doubles.points.map(endoMul)}}}return beta}},Point.prototype.toJSON=function(){return this.precomputed?[this.x,this.y,this.precomputed&&{doubles:this.precomputed.doubles&&{step:this.precomputed.doubles.step,points:this.precomputed.doubles.points.slice(1)},naf:this.precomputed.naf&&{wnd:this.precomputed.naf.wnd,points:this.precomputed.naf.points.slice(1)}}]:[this.x,this.y]},Point.fromJSON=function(curve,obj,red){"string"==typeof obj&&(obj=JSON.parse(obj));var res=curve.point(obj[0],obj[1],red);if(!obj[2])return res;function obj2point(obj){return curve.point(obj[0],obj[1],red)}var pre=obj[2];return res.precomputed={beta:null,doubles:pre.doubles&&{step:pre.doubles.step,points:[res].concat(pre.doubles.points.map(obj2point))},naf:pre.naf&&{wnd:pre.naf.wnd,points:[res].concat(pre.naf.points.map(obj2point))}},res},Point.prototype.inspect=function(){return this.isInfinity()?"<EC Point Infinity>":"<EC Point x: "+this.x.fromRed().toString(16,2)+" y: "+this.y.fromRed().toString(16,2)+">"},Point.prototype.isInfinity=function(){return this.inf},Point.prototype.add=function(p){if(this.inf)return p;if(p.inf)return this;if(this.eq(p))return this.dbl();if(this.neg().eq(p))return this.curve.point(null,null);if(0===this.x.cmp(p.x))return this.curve.point(null,null);var c=this.y.redSub(p.y);0!==c.cmpn(0)&&(c=c.redMul(this.x.redSub(p.x).redInvm()));var nx=c.redSqr().redISub(this.x).redISub(p.x),ny=c.redMul(this.x.redSub(nx)).redISub(this.y);return this.curve.point(nx,ny)},Point.prototype.dbl=function(){if(this.inf)return this;var ys1=this.y.redAdd(this.y);if(0===ys1.cmpn(0))return this.curve.point(null,null);var a=this.curve.a,x2=this.x.redSqr(),dyinv=ys1.redInvm(),c=x2.redAdd(x2).redIAdd(x2).redIAdd(a).redMul(dyinv),nx=c.redSqr().redISub(this.x.redAdd(this.x)),ny=c.redMul(this.x.redSub(nx)).redISub(this.y);return this.curve.point(nx,ny)},Point.prototype.getX=function(){return this.x.fromRed()},Point.prototype.getY=function(){return this.y.fromRed()},Point.prototype.mul=function(k){return k=new BN(k,16),this._hasDoubles(k)?this.curve._fixedNafMul(this,k):this.curve.endo?this.curve._endoWnafMulAdd([this],[k]):this.curve._wnafMul(this,k)},Point.prototype.mulAdd=function(k1,p2,k2){var points=[this,p2],coeffs=[k1,k2];return this.curve.endo?this.curve._endoWnafMulAdd(points,coeffs):this.curve._wnafMulAdd(1,points,coeffs,2)},Point.prototype.jmulAdd=function(k1,p2,k2){var points=[this,p2],coeffs=[k1,k2];return this.curve.endo?this.curve._endoWnafMulAdd(points,coeffs,!0):this.curve._wnafMulAdd(1,points,coeffs,2,!0)},Point.prototype.eq=function(p){return this===p||this.inf===p.inf&&(this.inf||0===this.x.cmp(p.x)&&0===this.y.cmp(p.y))},Point.prototype.neg=function(_precompute){if(this.inf)return this;var res=this.curve.point(this.x,this.y.redNeg());if(_precompute&&this.precomputed){var pre=this.precomputed,negate=function(p){return p.neg()};res.precomputed={naf:pre.naf&&{wnd:pre.naf.wnd,points:pre.naf.points.map(negate)},doubles:pre.doubles&&{step:pre.doubles.step,points:pre.doubles.points.map(negate)}}}return res},Point.prototype.toJ=function(){if(this.inf)return this.curve.jpoint(null,null,null);return this.curve.jpoint(this.x,this.y,this.curve.one)};function JPoint(curve,x,y,z){Base.BasePoint.call(this,curve,"jacobian"),null===x&&null===y&&null===z?(this.x=this.curve.one,this.y=this.curve.one,this.z=new BN(0)):(this.x=new BN(x,16),this.y=new BN(y,16),this.z=new BN(z,16)),this.x.red||(this.x=this.x.toRed(this.curve.red)),this.y.red||(this.y=this.y.toRed(this.curve.red)),this.z.red||(this.z=this.z.toRed(this.curve.red)),this.zOne=this.z===this.curve.one}inherits(JPoint,Base.BasePoint),ShortCurve.prototype.jpoint=function(x,y,z){return new JPoint(this,x,y,z)},JPoint.prototype.toP=function(){if(this.isInfinity())return this.curve.point(null,null);var zinv=this.z.redInvm(),zinv2=zinv.redSqr(),ax=this.x.redMul(zinv2),ay=this.y.redMul(zinv2).redMul(zinv);return this.curve.point(ax,ay)},JPoint.prototype.neg=function(){return this.curve.jpoint(this.x,this.y.redNeg(),this.z)},JPoint.prototype.add=function(p){if(this.isInfinity())return p;if(p.isInfinity())return this;var pz2=p.z.redSqr(),z2=this.z.redSqr(),u1=this.x.redMul(pz2),u2=p.x.redMul(z2),s1=this.y.redMul(pz2.redMul(p.z)),s2=p.y.redMul(z2.redMul(this.z)),h=u1.redSub(u2),r=s1.redSub(s2);if(0===h.cmpn(0))return 0!==r.cmpn(0)?this.curve.jpoint(null,null,null):this.dbl();var h2=h.redSqr(),h3=h2.redMul(h),v=u1.redMul(h2),nx=r.redSqr().redIAdd(h3).redISub(v).redISub(v),ny=r.redMul(v.redISub(nx)).redISub(s1.redMul(h3)),nz=this.z.redMul(p.z).redMul(h);return this.curve.jpoint(nx,ny,nz)},JPoint.prototype.mixedAdd=function(p){if(this.isInfinity())return p.toJ();if(p.isInfinity())return this;var z2=this.z.redSqr(),u1=this.x,u2=p.x.redMul(z2),s1=this.y,s2=p.y.redMul(z2).redMul(this.z),h=u1.redSub(u2),r=s1.redSub(s2);if(0===h.cmpn(0))return 0!==r.cmpn(0)?this.curve.jpoint(null,null,null):this.dbl();var h2=h.redSqr(),h3=h2.redMul(h),v=u1.redMul(h2),nx=r.redSqr().redIAdd(h3).redISub(v).redISub(v),ny=r.redMul(v.redISub(nx)).redISub(s1.redMul(h3)),nz=this.z.redMul(h);return this.curve.jpoint(nx,ny,nz)},JPoint.prototype.dblp=function(pow){if(0===pow)return this;if(this.isInfinity())return this;if(!pow)return this.dbl();if(this.curve.zeroA||this.curve.threeA){for(var r=this,i=0;i<pow;i++)r=r.dbl();return r}var a=this.curve.a,tinv=this.curve.tinv,jx=this.x,jy=this.y,jz=this.z,jz4=jz.redSqr().redSqr(),jyd=jy.redAdd(jy);for(i=0;i<pow;i++){var jx2=jx.redSqr(),jyd2=jyd.redSqr(),jyd4=jyd2.redSqr(),c=jx2.redAdd(jx2).redIAdd(jx2).redIAdd(a.redMul(jz4)),t1=jx.redMul(jyd2),nx=c.redSqr().redISub(t1.redAdd(t1)),t2=t1.redISub(nx),dny=c.redMul(t2);dny=dny.redIAdd(dny).redISub(jyd4);var nz=jyd.redMul(jz);i+1<pow&&(jz4=jz4.redMul(jyd4)),jx=nx,jz=nz,jyd=dny}return this.curve.jpoint(jx,jyd.redMul(tinv),jz)},JPoint.prototype.dbl=function(){return this.isInfinity()?this:this.curve.zeroA?this._zeroDbl():this.curve.threeA?this._threeDbl():this._dbl()},JPoint.prototype._zeroDbl=function(){var nx,ny,nz;if(this.zOne){var xx=this.x.redSqr(),yy=this.y.redSqr(),yyyy=yy.redSqr(),s=this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);s=s.redIAdd(s);var m=xx.redAdd(xx).redIAdd(xx),t=m.redSqr().redISub(s).redISub(s),yyyy8=yyyy.redIAdd(yyyy);yyyy8=(yyyy8=yyyy8.redIAdd(yyyy8)).redIAdd(yyyy8),nx=t,ny=m.redMul(s.redISub(t)).redISub(yyyy8),nz=this.y.redAdd(this.y)}else{var a=this.x.redSqr(),b=this.y.redSqr(),c=b.redSqr(),d=this.x.redAdd(b).redSqr().redISub(a).redISub(c);d=d.redIAdd(d);var e=a.redAdd(a).redIAdd(a),f=e.redSqr(),c8=c.redIAdd(c);c8=(c8=c8.redIAdd(c8)).redIAdd(c8),nx=f.redISub(d).redISub(d),ny=e.redMul(d.redISub(nx)).redISub(c8),nz=(nz=this.y.redMul(this.z)).redIAdd(nz)}return this.curve.jpoint(nx,ny,nz)},JPoint.prototype._threeDbl=function(){var nx,ny,nz;if(this.zOne){var xx=this.x.redSqr(),yy=this.y.redSqr(),yyyy=yy.redSqr(),s=this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);s=s.redIAdd(s);var m=xx.redAdd(xx).redIAdd(xx).redIAdd(this.curve.a),t=m.redSqr().redISub(s).redISub(s);nx=t;var yyyy8=yyyy.redIAdd(yyyy);yyyy8=(yyyy8=yyyy8.redIAdd(yyyy8)).redIAdd(yyyy8),ny=m.redMul(s.redISub(t)).redISub(yyyy8),nz=this.y.redAdd(this.y)}else{var delta=this.z.redSqr(),gamma=this.y.redSqr(),beta=this.x.redMul(gamma),alpha=this.x.redSub(delta).redMul(this.x.redAdd(delta));alpha=alpha.redAdd(alpha).redIAdd(alpha);var beta4=beta.redIAdd(beta),beta8=(beta4=beta4.redIAdd(beta4)).redAdd(beta4);nx=alpha.redSqr().redISub(beta8),nz=this.y.redAdd(this.z).redSqr().redISub(gamma).redISub(delta);var ggamma8=gamma.redSqr();ggamma8=(ggamma8=(ggamma8=ggamma8.redIAdd(ggamma8)).redIAdd(ggamma8)).redIAdd(ggamma8),ny=alpha.redMul(beta4.redISub(nx)).redISub(ggamma8)}return this.curve.jpoint(nx,ny,nz)},JPoint.prototype._dbl=function(){var a=this.curve.a,jx=this.x,jy=this.y,jz=this.z,jz4=jz.redSqr().redSqr(),jx2=jx.redSqr(),jy2=jy.redSqr(),c=jx2.redAdd(jx2).redIAdd(jx2).redIAdd(a.redMul(jz4)),jxd4=jx.redAdd(jx),t1=(jxd4=jxd4.redIAdd(jxd4)).redMul(jy2),nx=c.redSqr().redISub(t1.redAdd(t1)),t2=t1.redISub(nx),jyd8=jy2.redSqr();jyd8=(jyd8=(jyd8=jyd8.redIAdd(jyd8)).redIAdd(jyd8)).redIAdd(jyd8);var ny=c.redMul(t2).redISub(jyd8),nz=jy.redAdd(jy).redMul(jz);return this.curve.jpoint(nx,ny,nz)},JPoint.prototype.trpl=function(){if(!this.curve.zeroA)return this.dbl().add(this);var xx=this.x.redSqr(),yy=this.y.redSqr(),zz=this.z.redSqr(),yyyy=yy.redSqr(),m=xx.redAdd(xx).redIAdd(xx),mm=m.redSqr(),e=this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy),ee=(e=(e=(e=e.redIAdd(e)).redAdd(e).redIAdd(e)).redISub(mm)).redSqr(),t=yyyy.redIAdd(yyyy);t=(t=(t=t.redIAdd(t)).redIAdd(t)).redIAdd(t);var u=m.redIAdd(e).redSqr().redISub(mm).redISub(ee).redISub(t),yyu4=yy.redMul(u);yyu4=(yyu4=yyu4.redIAdd(yyu4)).redIAdd(yyu4);var nx=this.x.redMul(ee).redISub(yyu4);nx=(nx=nx.redIAdd(nx)).redIAdd(nx);var ny=this.y.redMul(u.redMul(t.redISub(u)).redISub(e.redMul(ee)));ny=(ny=(ny=ny.redIAdd(ny)).redIAdd(ny)).redIAdd(ny);var nz=this.z.redAdd(e).redSqr().redISub(zz).redISub(ee);return this.curve.jpoint(nx,ny,nz)},JPoint.prototype.mul=function(k,kbase){return k=new BN(k,kbase),this.curve._wnafMul(this,k)},JPoint.prototype.eq=function(p){if("affine"===p.type)return this.eq(p.toJ());if(this===p)return!0;var z2=this.z.redSqr(),pz2=p.z.redSqr();if(0!==this.x.redMul(pz2).redISub(p.x.redMul(z2)).cmpn(0))return!1;var z3=z2.redMul(this.z),pz3=pz2.redMul(p.z);return 0===this.y.redMul(pz3).redISub(p.y.redMul(z3)).cmpn(0)},JPoint.prototype.eqXToP=function(x){var zs=this.z.redSqr(),rx=x.toRed(this.curve.red).redMul(zs);if(0===this.x.cmp(rx))return!0;for(var xc=x.clone(),t=this.curve.redN.redMul(zs);;){if(xc.iadd(this.curve.n),xc.cmp(this.curve.p)>=0)return!1;if(rx.redIAdd(t),0===this.x.cmp(rx))return!0}return!1},JPoint.prototype.inspect=function(){return this.isInfinity()?"<EC JPoint Infinity>":"<EC JPoint x: "+this.x.toString(16,2)+" y: "+this.y.toString(16,2)+" z: "+this.z.toString(16,2)+">"},JPoint.prototype.isInfinity=function(){return 0===this.z.cmpn(0)}},{"../../elliptic":51,"../curve":54,"bn.js":50,inherits:145}],57:[function(require,module,exports){"use strict";var curves=exports,hash=require("hash.js"),elliptic=require("../elliptic"),assert=elliptic.utils.assert;function PresetCurve(options){"short"===options.type?this.curve=new elliptic.curve.short(options):"edwards"===options.type?this.curve=new elliptic.curve.edwards(options):this.curve=new elliptic.curve.mont(options),this.g=this.curve.g,this.n=this.curve.n,this.hash=options.hash,assert(this.g.validate(),"Invalid curve"),assert(this.g.mul(this.n).isInfinity(),"Invalid curve, G*N != O")}curves.PresetCurve=PresetCurve;function defineCurve(name,options){Object.defineProperty(curves,name,{configurable:!0,enumerable:!0,get:function(){var curve=new PresetCurve(options);return Object.defineProperty(curves,name,{configurable:!0,enumerable:!0,value:curve}),curve}})}defineCurve("p192",{type:"short",prime:"p192",p:"ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff",a:"ffffffff ffffffff ffffffff fffffffe ffffffff fffffffc",b:"64210519 e59c80e7 0fa7e9ab 72243049 feb8deec c146b9b1",n:"ffffffff ffffffff ffffffff 99def836 146bc9b1 b4d22831",hash:hash.sha256,gRed:!1,g:["188da80e b03090f6 7cbf20eb 43a18800 f4ff0afd 82ff1012","07192b95 ffc8da78 631011ed 6b24cdd5 73f977a1 1e794811"]}),defineCurve("p224",{type:"short",prime:"p224",p:"ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001",a:"ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff fffffffe",b:"b4050a85 0c04b3ab f5413256 5044b0b7 d7bfd8ba 270b3943 2355ffb4",n:"ffffffff ffffffff ffffffff ffff16a2 e0b8f03e 13dd2945 5c5c2a3d",hash:hash.sha256,gRed:!1,g:["b70e0cbd 6bb4bf7f 321390b9 4a03c1d3 56c21122 343280d6 115c1d21","bd376388 b5f723fb 4c22dfe6 cd4375a0 5a074764 44d58199 85007e34"]}),defineCurve("p256",{type:"short",prime:null,p:"ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff ffffffff",a:"ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff fffffffc",b:"5ac635d8 aa3a93e7 b3ebbd55 769886bc 651d06b0 cc53b0f6 3bce3c3e 27d2604b",n:"ffffffff 00000000 ffffffff ffffffff bce6faad a7179e84 f3b9cac2 fc632551",hash:hash.sha256,gRed:!1,g:["6b17d1f2 e12c4247 f8bce6e5 63a440f2 77037d81 2deb33a0 f4a13945 d898c296","4fe342e2 fe1a7f9b 8ee7eb4a 7c0f9e16 2bce3357 6b315ece cbb64068 37bf51f5"]}),defineCurve("p384",{type:"short",prime:null,p:"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe ffffffff 00000000 00000000 ffffffff",a:"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe ffffffff 00000000 00000000 fffffffc",b:"b3312fa7 e23ee7e4 988e056b e3f82d19 181d9c6e fe814112 0314088f 5013875a c656398d 8a2ed19d 2a85c8ed d3ec2aef",n:"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff c7634d81 f4372ddf 581a0db2 48b0a77a ecec196a ccc52973",hash:hash.sha384,gRed:!1,g:["aa87ca22 be8b0537 8eb1c71e f320ad74 6e1d3b62 8ba79b98 59f741e0 82542a38 5502f25d bf55296c 3a545e38 72760ab7","3617de4a 96262c6f 5d9e98bf 9292dc29 f8f41dbd 289a147c e9da3113 b5f0b8c0 0a60b1ce 1d7e819d 7a431d7c 90ea0e5f"]}),defineCurve("p521",{type:"short",prime:null,p:"000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff",a:"000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffc",b:"00000051 953eb961 8e1c9a1f 929a21a0 b68540ee a2da725b 99b315f3 b8b48991 8ef109e1 56193951 ec7e937b 1652c0bd 3bb1bf07 3573df88 3d2c34f1 ef451fd4 6b503f00",n:"000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffa 51868783 bf2f966b 7fcc0148 f709a5d0 3bb5c9b8 899c47ae bb6fb71e 91386409",hash:hash.sha512,gRed:!1,g:["000000c6 858e06b7 0404e9cd 9e3ecb66 2395b442 9c648139 053fb521 f828af60 6b4d3dba a14b5e77 efe75928 fe1dc127 a2ffa8de 3348b3c1 856a429b f97e7e31 c2e5bd66","00000118 39296a78 9a3bc004 5c8a5fb4 2c7d1bd9 98f54449 579b4468 17afbd17 273e662c 97ee7299 5ef42640 c550b901 3fad0761 353c7086 a272c240 88be9476 9fd16650"]}),defineCurve("curve25519",{type:"mont",prime:"p25519",p:"7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed",a:"76d06",b:"1",n:"1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed",hash:hash.sha256,gRed:!1,g:["9"]}),defineCurve("ed25519",{type:"edwards",prime:"p25519",p:"7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed",a:"-1",c:"1",d:"52036cee2b6ffe73 8cc740797779e898 00700a4d4141d8ab 75eb4dca135978a3",n:"1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed",hash:hash.sha256,gRed:!1,g:["216936d3cd6e53fec0a4e231fdd6dc5c692cc7609525a7b2c9562d608f25d51a","6666666666666666666666666666666666666666666666666666666666666658"]});var pre;try{pre=require("./precomputed/secp256k1")}catch(e){pre=void 0}defineCurve("secp256k1",{type:"short",prime:"k256",p:"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f",a:"0",b:"7",n:"ffffffff ffffffff ffffffff fffffffe baaedce6 af48a03b bfd25e8c d0364141",h:"1",hash:hash.sha256,beta:"7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee",lambda:"5363ad4cc05c30e0a5261c028812645a122e22ea20816678df02967c1b23bd72",basis:[{a:"3086d221a7d46bcde86c90e49284eb15",b:"-e4437ed6010e88286f547fa90abfe4c3"},{a:"114ca50f7a8e2f3f657c1108d9d44cfd8",b:"3086d221a7d46bcde86c90e49284eb15"}],gRed:!1,g:["79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798","483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8",pre]})},{"../elliptic":51,"./precomputed/secp256k1":64,"hash.js":129}],58:[function(require,module,exports){"use strict";var BN=require("bn.js"),HmacDRBG=require("hmac-drbg"),elliptic=require("../../elliptic"),assert=elliptic.utils.assert,KeyPair=require("./key"),Signature=require("./signature");function EC(options){if(!(this instanceof EC))return new EC(options);"string"==typeof options&&(assert(elliptic.curves.hasOwnProperty(options),"Unknown curve "+options),options=elliptic.curves[options]),options instanceof elliptic.curves.PresetCurve&&(options={curve:options}),this.curve=options.curve.curve,this.n=this.curve.n,this.nh=this.n.ushrn(1),this.g=this.curve.g,this.g=options.curve.g,this.g.precompute(options.curve.n.bitLength()+1),this.hash=options.hash||options.curve.hash}module.exports=EC,EC.prototype.keyPair=function(options){return new KeyPair(this,options)},EC.prototype.keyFromPrivate=function(priv,enc){return KeyPair.fromPrivate(this,priv,enc)},EC.prototype.keyFromPublic=function(pub,enc){return KeyPair.fromPublic(this,pub,enc)},EC.prototype.genKeyPair=function(options){options||(options={});for(var drbg=new HmacDRBG({hash:this.hash,pers:options.pers,persEnc:options.persEnc||"utf8",entropy:options.entropy||elliptic.rand(this.hash.hmacStrength),entropyEnc:options.entropy&&options.entropyEnc||"utf8",nonce:this.n.toArray()}),bytes=this.n.byteLength(),ns2=this.n.sub(new BN(2));;){var priv=new BN(drbg.generate(bytes));if(!(priv.cmp(ns2)>0))return priv.iaddn(1),this.keyFromPrivate(priv)}},EC.prototype._truncateToN=function(msg,truncOnly){var delta=8*msg.byteLength()-this.n.bitLength();return delta>0&&(msg=msg.ushrn(delta)),!truncOnly&&msg.cmp(this.n)>=0?msg.sub(this.n):msg},EC.prototype.sign=function(msg,key,enc,options){"object"==typeof enc&&(options=enc,enc=null),options||(options={}),key=this.keyFromPrivate(key,enc),msg=this._truncateToN(new BN(msg,16));for(var bytes=this.n.byteLength(),bkey=key.getPrivate().toArray("be",bytes),nonce=msg.toArray("be",bytes),drbg=new HmacDRBG({hash:this.hash,entropy:bkey,nonce:nonce,pers:options.pers,persEnc:options.persEnc||"utf8"}),ns1=this.n.sub(new BN(1)),iter=0;;iter++){var k=options.k?options.k(iter):new BN(drbg.generate(this.n.byteLength()));if(!((k=this._truncateToN(k,!0)).cmpn(1)<=0||k.cmp(ns1)>=0)){var kp=this.g.mul(k);if(!kp.isInfinity()){var kpX=kp.getX(),r=kpX.umod(this.n);if(0!==r.cmpn(0)){var s=k.invm(this.n).mul(r.mul(key.getPrivate()).iadd(msg));if(0!==(s=s.umod(this.n)).cmpn(0)){var recoveryParam=(kp.getY().isOdd()?1:0)|(0!==kpX.cmp(r)?2:0);return options.canonical&&s.cmp(this.nh)>0&&(s=this.n.sub(s),recoveryParam^=1),new Signature({r:r,s:s,recoveryParam:recoveryParam})}}}}}},EC.prototype.verify=function(msg,signature,key,enc){msg=this._truncateToN(new BN(msg,16)),key=this.keyFromPublic(key,enc);var r=(signature=new Signature(signature,"hex")).r,s=signature.s;if(r.cmpn(1)<0||r.cmp(this.n)>=0)return!1;if(s.cmpn(1)<0||s.cmp(this.n)>=0)return!1;var sinv=s.invm(this.n),u1=sinv.mul(msg).umod(this.n),u2=sinv.mul(r).umod(this.n);if(!this.curve._maxwellTrick){return!(p=this.g.mulAdd(u1,key.getPublic(),u2)).isInfinity()&&0===p.getX().umod(this.n).cmp(r)}var p;return!(p=this.g.jmulAdd(u1,key.getPublic(),u2)).isInfinity()&&p.eqXToP(r)},EC.prototype.recoverPubKey=function(msg,signature,j,enc){assert((3&j)===j,"The recovery param is more than two bits"),signature=new Signature(signature,enc);var n=this.n,e=new BN(msg),r=signature.r,s=signature.s,isYOdd=1&j,isSecondKey=j>>1;if(r.cmp(this.curve.p.umod(this.curve.n))>=0&&isSecondKey)throw new Error("Unable to find sencond key candinate");r=isSecondKey?this.curve.pointFromX(r.add(this.curve.n),isYOdd):this.curve.pointFromX(r,isYOdd);var rInv=signature.r.invm(n),s1=n.sub(e).mul(rInv).umod(n),s2=s.mul(rInv).umod(n);return this.g.mulAdd(s1,r,s2)},EC.prototype.getKeyRecoveryParam=function(e,signature,Q,enc){if(null!==(signature=new Signature(signature,enc)).recoveryParam)return signature.recoveryParam;for(var i=0;i<4;i++){var Qprime;try{Qprime=this.recoverPubKey(e,signature,i)}catch(e){continue}if(Qprime.eq(Q))return i}throw new Error("Unable to find valid recovery factor")}},{"../../elliptic":51,"./key":59,"./signature":60,"bn.js":50,"hmac-drbg":142}],59:[function(require,module,exports){"use strict";var BN=require("bn.js"),assert=require("../../elliptic").utils.assert;function KeyPair(ec,options){this.ec=ec,this.priv=null,this.pub=null,options.priv&&this._importPrivate(options.priv,options.privEnc),options.pub&&this._importPublic(options.pub,options.pubEnc)}module.exports=KeyPair,KeyPair.fromPublic=function(ec,pub,enc){return pub instanceof KeyPair?pub:new KeyPair(ec,{pub:pub,pubEnc:enc})},KeyPair.fromPrivate=function(ec,priv,enc){return priv instanceof KeyPair?priv:new KeyPair(ec,{priv:priv,privEnc:enc})},KeyPair.prototype.validate=function(){var pub=this.getPublic();return pub.isInfinity()?{result:!1,reason:"Invalid public key"}:pub.validate()?pub.mul(this.ec.curve.n).isInfinity()?{result:!0,reason:null}:{result:!1,reason:"Public key * N != O"}:{result:!1,reason:"Public key is not a point"}},KeyPair.prototype.getPublic=function(compact,enc){return"string"==typeof compact&&(enc=compact,compact=null),this.pub||(this.pub=this.ec.g.mul(this.priv)),enc?this.pub.encode(enc,compact):this.pub},KeyPair.prototype.getPrivate=function(enc){return"hex"===enc?this.priv.toString(16,2):this.priv},KeyPair.prototype._importPrivate=function(key,enc){this.priv=new BN(key,enc||16),this.priv=this.priv.umod(this.ec.curve.n)},KeyPair.prototype._importPublic=function(key,enc){if(key.x||key.y)return"mont"===this.ec.curve.type?assert(key.x,"Need x coordinate"):"short"!==this.ec.curve.type&&"edwards"!==this.ec.curve.type||assert(key.x&&key.y,"Need both x and y coordinate"),void(this.pub=this.ec.curve.point(key.x,key.y));this.pub=this.ec.curve.decodePoint(key,enc)},KeyPair.prototype.derive=function(pub){return pub.mul(this.priv).getX()},KeyPair.prototype.sign=function(msg,enc,options){return this.ec.sign(msg,this,enc,options)},KeyPair.prototype.verify=function(msg,signature){return this.ec.verify(msg,signature,this)},KeyPair.prototype.inspect=function(){return"<Key priv: "+(this.priv&&this.priv.toString(16,2))+" pub: "+(this.pub&&this.pub.inspect())+" >"}},{"../../elliptic":51,"bn.js":50}],60:[function(require,module,exports){"use strict";var BN=require("bn.js"),utils=require("../../elliptic").utils,assert=utils.assert;function Signature(options,enc){if(options instanceof Signature)return options;this._importDER(options,enc)||(assert(options.r&&options.s,"Signature without r or s"),this.r=new BN(options.r,16),this.s=new BN(options.s,16),void 0===options.recoveryParam?this.recoveryParam=null:this.recoveryParam=options.recoveryParam)}module.exports=Signature;function getLength(buf,p){var initial=buf[p.place++];if(!(128&initial))return initial;for(var octetLen=15&initial,val=0,i=0,off=p.place;i<octetLen;i++,off++)val<<=8,val|=buf[off];return p.place=off,val}function rmPadding(buf){for(var i=0,len=buf.length-1;!buf[i]&&!(128&buf[i+1])&&i<len;)i++;return 0===i?buf:buf.slice(i)}Signature.prototype._importDER=function(data,enc){data=utils.toArray(data,enc);var p=new function(){this.place=0};if(48!==data[p.place++])return!1;if(getLength(data,p)+p.place!==data.length)return!1;if(2!==data[p.place++])return!1;var rlen=getLength(data,p),r=data.slice(p.place,rlen+p.place);if(p.place+=rlen,2!==data[p.place++])return!1;var slen=getLength(data,p);if(data.length!==slen+p.place)return!1;var s=data.slice(p.place,slen+p.place);return 0===r[0]&&128&r[1]&&(r=r.slice(1)),0===s[0]&&128&s[1]&&(s=s.slice(1)),this.r=new BN(r),this.s=new BN(s),this.recoveryParam=null,!0};function constructLength(arr,len){if(len<128)arr.push(len);else{var octets=1+(Math.log(len)/Math.LN2>>>3);for(arr.push(128|octets);--octets;)arr.push(len>>>(octets<<3)&255);arr.push(len)}}Signature.prototype.toDER=function(enc){var r=this.r.toArray(),s=this.s.toArray();for(128&r[0]&&(r=[0].concat(r)),128&s[0]&&(s=[0].concat(s)),r=rmPadding(r),s=rmPadding(s);!(s[0]||128&s[1]);)s=s.slice(1);var arr=[2];constructLength(arr,r.length),(arr=arr.concat(r)).push(2),constructLength(arr,s.length);var backHalf=arr.concat(s),res=[48];return constructLength(res,backHalf.length),res=res.concat(backHalf),utils.encode(res,enc)}},{"../../elliptic":51,"bn.js":50}],61:[function(require,module,exports){"use strict";var hash=require("hash.js"),elliptic=require("../../elliptic"),utils=elliptic.utils,assert=utils.assert,parseBytes=utils.parseBytes,KeyPair=require("./key"),Signature=require("./signature");function EDDSA(curve){if(assert("ed25519"===curve,"only tested with ed25519 so far"),!(this instanceof EDDSA))return new EDDSA(curve);curve=elliptic.curves[curve].curve;this.curve=curve,this.g=curve.g,this.g.precompute(curve.n.bitLength()+1),this.pointClass=curve.point().constructor,this.encodingLength=Math.ceil(curve.n.bitLength()/8),this.hash=hash.sha512}module.exports=EDDSA,EDDSA.prototype.sign=function(message,secret){message=parseBytes(message);var key=this.keyFromSecret(secret),r=this.hashInt(key.messagePrefix(),message),R=this.g.mul(r),Rencoded=this.encodePoint(R),s_=this.hashInt(Rencoded,key.pubBytes(),message).mul(key.priv()),S=r.add(s_).umod(this.curve.n);return this.makeSignature({R:R,S:S,Rencoded:Rencoded})},EDDSA.prototype.verify=function(message,sig,pub){message=parseBytes(message),sig=this.makeSignature(sig);var key=this.keyFromPublic(pub),h=this.hashInt(sig.Rencoded(),key.pubBytes(),message),SG=this.g.mul(sig.S());return sig.R().add(key.pub().mul(h)).eq(SG)},EDDSA.prototype.hashInt=function(){for(var hash=this.hash(),i=0;i<arguments.length;i++)hash.update(arguments[i]);return utils.intFromLE(hash.digest()).umod(this.curve.n)},EDDSA.prototype.keyFromPublic=function(pub){return KeyPair.fromPublic(this,pub)},EDDSA.prototype.keyFromSecret=function(secret){return KeyPair.fromSecret(this,secret)},EDDSA.prototype.makeSignature=function(sig){return sig instanceof Signature?sig:new Signature(this,sig)},EDDSA.prototype.encodePoint=function(point){var enc=point.getY().toArray("le",this.encodingLength);return enc[this.encodingLength-1]|=point.getX().isOdd()?128:0,enc},EDDSA.prototype.decodePoint=function(bytes){var lastIx=(bytes=utils.parseBytes(bytes)).length-1,normed=bytes.slice(0,lastIx).concat(-129&bytes[lastIx]),xIsOdd=0!=(128&bytes[lastIx]),y=utils.intFromLE(normed);return this.curve.pointFromY(y,xIsOdd)},EDDSA.prototype.encodeInt=function(num){return num.toArray("le",this.encodingLength)},EDDSA.prototype.decodeInt=function(bytes){return utils.intFromLE(bytes)},EDDSA.prototype.isPoint=function(val){return val instanceof this.pointClass}},{"../../elliptic":51,"./key":62,"./signature":63,"hash.js":129}],62:[function(require,module,exports){"use strict";var utils=require("../../elliptic").utils,assert=utils.assert,parseBytes=utils.parseBytes,cachedProperty=utils.cachedProperty;function KeyPair(eddsa,params){this.eddsa=eddsa,this._secret=parseBytes(params.secret),eddsa.isPoint(params.pub)?this._pub=params.pub:this._pubBytes=parseBytes(params.pub)}KeyPair.fromPublic=function(eddsa,pub){return pub instanceof KeyPair?pub:new KeyPair(eddsa,{pub:pub})},KeyPair.fromSecret=function(eddsa,secret){return secret instanceof KeyPair?secret:new KeyPair(eddsa,{secret:secret})},KeyPair.prototype.secret=function(){return this._secret},cachedProperty(KeyPair,"pubBytes",function(){return this.eddsa.encodePoint(this.pub())}),cachedProperty(KeyPair,"pub",function(){return this._pubBytes?this.eddsa.decodePoint(this._pubBytes):this.eddsa.g.mul(this.priv())}),cachedProperty(KeyPair,"privBytes",function(){var eddsa=this.eddsa,hash=this.hash(),lastIx=eddsa.encodingLength-1,a=hash.slice(0,eddsa.encodingLength);return a[0]&=248,a[lastIx]&=127,a[lastIx]|=64,a}),cachedProperty(KeyPair,"priv",function(){return this.eddsa.decodeInt(this.privBytes())}),cachedProperty(KeyPair,"hash",function(){return this.eddsa.hash().update(this.secret()).digest()}),cachedProperty(KeyPair,"messagePrefix",function(){return this.hash().slice(this.eddsa.encodingLength)}),KeyPair.prototype.sign=function(message){return assert(this._secret,"KeyPair can only verify"),this.eddsa.sign(message,this)},KeyPair.prototype.verify=function(message,sig){return this.eddsa.verify(message,sig,this)},KeyPair.prototype.getSecret=function(enc){return assert(this._secret,"KeyPair is public only"),utils.encode(this.secret(),enc)},KeyPair.prototype.getPublic=function(enc){return utils.encode(this.pubBytes(),enc)},module.exports=KeyPair},{"../../elliptic":51}],63:[function(require,module,exports){"use strict";var BN=require("bn.js"),utils=require("../../elliptic").utils,assert=utils.assert,cachedProperty=utils.cachedProperty,parseBytes=utils.parseBytes;function Signature(eddsa,sig){this.eddsa=eddsa,"object"!=typeof sig&&(sig=parseBytes(sig)),Array.isArray(sig)&&(sig={R:sig.slice(0,eddsa.encodingLength),S:sig.slice(eddsa.encodingLength)}),assert(sig.R&&sig.S,"Signature without R or S"),eddsa.isPoint(sig.R)&&(this._R=sig.R),sig.S instanceof BN&&(this._S=sig.S),this._Rencoded=Array.isArray(sig.R)?sig.R:sig.Rencoded,this._Sencoded=Array.isArray(sig.S)?sig.S:sig.Sencoded}cachedProperty(Signature,"S",function(){return this.eddsa.decodeInt(this.Sencoded())}),cachedProperty(Signature,"R",function(){return this.eddsa.decodePoint(this.Rencoded())}),cachedProperty(Signature,"Rencoded",function(){return this.eddsa.encodePoint(this.R())}),cachedProperty(Signature,"Sencoded",function(){return this.eddsa.encodeInt(this.S())}),Signature.prototype.toBytes=function(){return this.Rencoded().concat(this.Sencoded())},Signature.prototype.toHex=function(){return utils.encode(this.toBytes(),"hex").toUpperCase()},module.exports=Signature},{"../../elliptic":51,"bn.js":50}],64:[function(require,module,exports){module.exports={doubles:{step:4,points:[["e60fce93b59e9ec53011aabc21c23e97b2a31369b87a5ae9c44ee89e2a6dec0a","f7e3507399e595929db99f34f57937101296891e44d23f0be1f32cce69616821"],["8282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508","11f8a8098557dfe45e8256e830b60ace62d613ac2f7b17bed31b6eaff6e26caf"],["175e159f728b865a72f99cc6c6fc846de0b93833fd2222ed73fce5b551e5b739","d3506e0d9e3c79eba4ef97a51ff71f5eacb5955add24345c6efa6ffee9fed695"],["363d90d447b00c9c99ceac05b6262ee053441c7e55552ffe526bad8f83ff4640","4e273adfc732221953b445397f3363145b9a89008199ecb62003c7f3bee9de9"],["8b4b5f165df3c2be8c6244b5b745638843e4a781a15bcd1b69f79a55dffdf80c","4aad0a6f68d308b4b3fbd7813ab0da04f9e336546162ee56b3eff0c65fd4fd36"],["723cbaa6e5db996d6bf771c00bd548c7b700dbffa6c0e77bcb6115925232fcda","96e867b5595cc498a921137488824d6e2660a0653779494801dc069d9eb39f5f"],["eebfa4d493bebf98ba5feec812c2d3b50947961237a919839a533eca0e7dd7fa","5d9a8ca3970ef0f269ee7edaf178089d9ae4cdc3a711f712ddfd4fdae1de8999"],["100f44da696e71672791d0a09b7bde459f1215a29b3c03bfefd7835b39a48db0","cdd9e13192a00b772ec8f3300c090666b7ff4a18ff5195ac0fbd5cd62bc65a09"],["e1031be262c7ed1b1dc9227a4a04c017a77f8d4464f3b3852c8acde6e534fd2d","9d7061928940405e6bb6a4176597535af292dd419e1ced79a44f18f29456a00d"],["feea6cae46d55b530ac2839f143bd7ec5cf8b266a41d6af52d5e688d9094696d","e57c6b6c97dce1bab06e4e12bf3ecd5c981c8957cc41442d3155debf18090088"],["da67a91d91049cdcb367be4be6ffca3cfeed657d808583de33fa978bc1ec6cb1","9bacaa35481642bc41f463f7ec9780e5dec7adc508f740a17e9ea8e27a68be1d"],["53904faa0b334cdda6e000935ef22151ec08d0f7bb11069f57545ccc1a37b7c0","5bc087d0bc80106d88c9eccac20d3c1c13999981e14434699dcb096b022771c8"],["8e7bcd0bd35983a7719cca7764ca906779b53a043a9b8bcaeff959f43ad86047","10b7770b2a3da4b3940310420ca9514579e88e2e47fd68b3ea10047e8460372a"],["385eed34c1cdff21e6d0818689b81bde71a7f4f18397e6690a841e1599c43862","283bebc3e8ea23f56701de19e9ebf4576b304eec2086dc8cc0458fe5542e5453"],["6f9d9b803ecf191637c73a4413dfa180fddf84a5947fbc9c606ed86c3fac3a7","7c80c68e603059ba69b8e2a30e45c4d47ea4dd2f5c281002d86890603a842160"],["3322d401243c4e2582a2147c104d6ecbf774d163db0f5e5313b7e0e742d0e6bd","56e70797e9664ef5bfb019bc4ddaf9b72805f63ea2873af624f3a2e96c28b2a0"],["85672c7d2de0b7da2bd1770d89665868741b3f9af7643397721d74d28134ab83","7c481b9b5b43b2eb6374049bfa62c2e5e77f17fcc5298f44c8e3094f790313a6"],["948bf809b1988a46b06c9f1919413b10f9226c60f668832ffd959af60c82a0a","53a562856dcb6646dc6b74c5d1c3418c6d4dff08c97cd2bed4cb7f88d8c8e589"],["6260ce7f461801c34f067ce0f02873a8f1b0e44dfc69752accecd819f38fd8e8","bc2da82b6fa5b571a7f09049776a1ef7ecd292238051c198c1a84e95b2b4ae17"],["e5037de0afc1d8d43d8348414bbf4103043ec8f575bfdc432953cc8d2037fa2d","4571534baa94d3b5f9f98d09fb990bddbd5f5b03ec481f10e0e5dc841d755bda"],["e06372b0f4a207adf5ea905e8f1771b4e7e8dbd1c6a6c5b725866a0ae4fce725","7a908974bce18cfe12a27bb2ad5a488cd7484a7787104870b27034f94eee31dd"],["213c7a715cd5d45358d0bbf9dc0ce02204b10bdde2a3f58540ad6908d0559754","4b6dad0b5ae462507013ad06245ba190bb4850f5f36a7eeddff2c27534b458f2"],["4e7c272a7af4b34e8dbb9352a5419a87e2838c70adc62cddf0cc3a3b08fbd53c","17749c766c9d0b18e16fd09f6def681b530b9614bff7dd33e0b3941817dcaae6"],["fea74e3dbe778b1b10f238ad61686aa5c76e3db2be43057632427e2840fb27b6","6e0568db9b0b13297cf674deccb6af93126b596b973f7b77701d3db7f23cb96f"],["76e64113f677cf0e10a2570d599968d31544e179b760432952c02a4417bdde39","c90ddf8dee4e95cf577066d70681f0d35e2a33d2b56d2032b4b1752d1901ac01"],["c738c56b03b2abe1e8281baa743f8f9a8f7cc643df26cbee3ab150242bcbb891","893fb578951ad2537f718f2eacbfbbbb82314eef7880cfe917e735d9699a84c3"],["d895626548b65b81e264c7637c972877d1d72e5f3a925014372e9f6588f6c14b","febfaa38f2bc7eae728ec60818c340eb03428d632bb067e179363ed75d7d991f"],["b8da94032a957518eb0f6433571e8761ceffc73693e84edd49150a564f676e03","2804dfa44805a1e4d7c99cc9762808b092cc584d95ff3b511488e4e74efdf6e7"],["e80fea14441fb33a7d8adab9475d7fab2019effb5156a792f1a11778e3c0df5d","eed1de7f638e00771e89768ca3ca94472d155e80af322ea9fcb4291b6ac9ec78"],["a301697bdfcd704313ba48e51d567543f2a182031efd6915ddc07bbcc4e16070","7370f91cfb67e4f5081809fa25d40f9b1735dbf7c0a11a130c0d1a041e177ea1"],["90ad85b389d6b936463f9d0512678de208cc330b11307fffab7ac63e3fb04ed4","e507a3620a38261affdcbd9427222b839aefabe1582894d991d4d48cb6ef150"],["8f68b9d2f63b5f339239c1ad981f162ee88c5678723ea3351b7b444c9ec4c0da","662a9f2dba063986de1d90c2b6be215dbbea2cfe95510bfdf23cbf79501fff82"],["e4f3fb0176af85d65ff99ff9198c36091f48e86503681e3e6686fd5053231e11","1e63633ad0ef4f1c1661a6d0ea02b7286cc7e74ec951d1c9822c38576feb73bc"],["8c00fa9b18ebf331eb961537a45a4266c7034f2f0d4e1d0716fb6eae20eae29e","efa47267fea521a1a9dc343a3736c974c2fadafa81e36c54e7d2a4c66702414b"],["e7a26ce69dd4829f3e10cec0a9e98ed3143d084f308b92c0997fddfc60cb3e41","2a758e300fa7984b471b006a1aafbb18d0a6b2c0420e83e20e8a9421cf2cfd51"],["b6459e0ee3662ec8d23540c223bcbdc571cbcb967d79424f3cf29eb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strict";var utils=exports,BN=require("bn.js"),minAssert=require("minimalistic-assert"),minUtils=require("minimalistic-crypto-utils");utils.assert=minAssert,utils.toArray=minUtils.toArray,utils.zero2=minUtils.zero2,utils.toHex=minUtils.toHex,utils.encode=minUtils.encode;utils.getNAF=function(num,w){for(var naf=[],ws=1<<w+1,k=num.clone();k.cmpn(1)>=0;){var z;if(k.isOdd()){var mod=k.andln(ws-1);z=mod>(ws>>1)-1?(ws>>1)-mod:mod,k.isubn(z)}else z=0;naf.push(z);for(var shift=0!==k.cmpn(0)&&0===k.andln(ws-1)?w+1:1,i=1;i<shift;i++)naf.push(0);k.iushrn(shift)}return naf};utils.getJSF=function(k1,k2){var jsf=[[],[]];k1=k1.clone(),k2=k2.clone();for(var d1=0,d2=0;k1.cmpn(-d1)>0||k2.cmpn(-d2)>0;){var m14=k1.andln(3)+d1&3,m24=k2.andln(3)+d2&3;3===m14&&(m14=-1),3===m24&&(m24=-1);var u1;u1=0==(1&m14)?0:3!=(m8=k1.andln(7)+d1&7)&&5!==m8||2!==m24?m14:-m14,jsf[0].push(u1);var u2;if(0==(1&m24))u2=0;else{var m8;u2=3!=(m8=k2.andln(7)+d2&7)&&5!==m8||2!==m14?m24:-m24}jsf[1].push(u2),2*d1===u1+1&&(d1=1-d1),2*d2===u2+1&&(d2=1-d2),k1.iushrn(1),k2.iushrn(1)}return jsf};utils.cachedProperty=function(obj,name,computer){var key="_"+name;obj.prototype[name]=function(){return void 0!==this[key]?this[key]:this[key]=computer.call(this)}};utils.parseBytes=function(bytes){return"string"==typeof bytes?utils.toArray(bytes,"hex"):bytes};utils.intFromLE=function(bytes){return new BN(bytes,"hex","le")}},{"bn.js":50,"minimalistic-assert":153,"minimalistic-crypto-utils":154}],66:[function(require,module,exports){module.exports={_args:[["elliptic@6.4.0","/home/emilio/dev/bitcoincashjs/bitcoincashjs"]],_development:!0,_from:"elliptic@6.4.0",_id:"elliptic@6.4.0",_inBundle:!1,_integrity:"sha1-ysmvh2LIWDYYcAPI3+GT5eLq5d8=",_location:"/browserify-sign/elliptic",_phantomChildren:{},_requested:{type:"version",registry:!0,raw:"elliptic@6.4.0",name:"elliptic",escapedName:"elliptic",rawSpec:"6.4.0",saveSpec:null,fetchSpec:"6.4.0"},_requiredBy:["/browserify-sign"],_resolved:"https://registry.npmjs.org/elliptic/-/elliptic-6.4.0.tgz",_spec:"6.4.0",_where:"/home/emilio/dev/bitcoincashjs/bitcoincashjs",author:{name:"Fedor Indutny",email:"fedor@indutny.com"},bugs:{url:"https://github.com/indutny/elliptic/issues"},dependencies:{"bn.js":"^4.4.0",brorand:"^1.0.1","hash.js":"^1.0.0","hmac-drbg":"^1.0.0",inherits:"^2.0.1","minimalistic-assert":"^1.0.0","minimalistic-crypto-utils":"^1.0.0"},description:"EC cryptography",devDependencies:{brfs:"^1.4.3",coveralls:"^2.11.3",grunt:"^0.4.5","grunt-browserify":"^5.0.0","grunt-cli":"^1.2.0","grunt-contrib-connect":"^1.0.0","grunt-contrib-copy":"^1.0.0","grunt-contrib-uglify":"^1.0.1","grunt-mocha-istanbul":"^3.0.1","grunt-saucelabs":"^8.6.2",istanbul:"^0.4.2",jscs:"^2.9.0",jshint:"^2.6.0",mocha:"^2.1.0"},files:["lib"],homepage:"https://github.com/indutny/elliptic",keywords:["EC","Elliptic","curve","Cryptography"],license:"MIT",main:"lib/elliptic.js",name:"elliptic",repository:{type:"git",url:"git+ssh://git@github.com/indutny/elliptic.git"},scripts:{jscs:"jscs benchmarks/*.js lib/*.js lib/**/*.js lib/**/**/*.js test/index.js",jshint:"jscs benchmarks/*.js lib/*.js lib/**/*.js lib/**/**/*.js test/index.js",lint:"npm run jscs && npm run jshint",test:"npm run lint && npm run unit",unit:"istanbul test _mocha --reporter=spec test/index.js",version:"grunt dist && git add dist/"},version:"6.4.0"}},{}],67:[function(require,module,exports){for(var ALPHABET="123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz",ALPHABET_MAP={},i=0;i<ALPHABET.length;i++)ALPHABET_MAP[ALPHABET.charAt(i)]=i;var BASE=58;module.exports={encode:function(buffer){if(0===buffer.length)return"";var i,j,digits=[0];for(i=0;i<buffer.length;i++){for(j=0;j<digits.length;j++)digits[j]<<=8;digits[0]+=buffer[i];var carry=0;for(j=0;j<digits.length;++j)digits[j]+=carry,carry=digits[j]/BASE|0,digits[j]%=BASE;for(;carry;)digits.push(carry%BASE),carry=carry/BASE|0}for(i=0;0===buffer[i]&&i<buffer.length-1;i++)digits.push(0);return digits.reverse().map(function(digit){return ALPHABET[digit]}).join("")},decode:function(string){if(0===string.length)return[];var i,j,bytes=[0];for(i=0;i<string.length;i++){var c=string[i];if(!(c in ALPHABET_MAP))throw new Error("Non-base58 character");for(j=0;j<bytes.length;j++)bytes[j]*=BASE;bytes[0]+=ALPHABET_MAP[c];var carry=0;for(j=0;j<bytes.length;++j)bytes[j]+=carry,carry=bytes[j]>>8,bytes[j]&=255;for(;carry;)bytes.push(255&carry),carry>>=8}for(i=0;"1"===string[i]&&i<string.length-1;i++)bytes.push(0);return bytes.reverse()}}},{}],68:[function(require,module,exports){module.exports=function(cmp,to){for(var c=0,i=0;i<cmp.length&&i!=to.length&&0==(c=cmp[i]<to[i]?-1:cmp[i]>to[i]?1:0);++i);return 0==c&&(to.length>cmp.length?c=-1:cmp.length>to.length&&(c=1)),c}},{}],69:[function(require,module,exports){(function(Buffer){module.exports=function(a,b){for(var length=Math.min(a.length,b.length),buffer=new Buffer(length),i=0;i<length;++i)buffer[i]=a[i]^b[i];return buffer}}).call(this,require("buffer").Buffer)},{buffer:70}],70:[function(require,module,exports){"use strict";var base64=require("base64-js"),ieee754=require("ieee754");exports.Buffer=Buffer,exports.SlowBuffer=function(length){+length!=length&&(length=0);return Buffer.alloc(+length)},exports.INSPECT_MAX_BYTES=50;var K_MAX_LENGTH=2147483647;exports.kMaxLength=K_MAX_LENGTH,Buffer.TYPED_ARRAY_SUPPORT=function(){try{var arr=new Uint8Array(1);return arr.__proto__={__proto__:Uint8Array.prototype,foo:function(){return 42}},42===arr.foo()}catch(e){return!1}}(),Buffer.TYPED_ARRAY_SUPPORT||"undefined"==typeof console||"function"!=typeof console.error||console.error("This browser lacks typed array (Uint8Array) support which is required by `buffer` v5.x. Use `buffer` v4.x if you require old browser support.");function createBuffer(length){if(length>K_MAX_LENGTH)throw new RangeError("Invalid typed array length");var buf=new Uint8Array(length);return buf.__proto__=Buffer.prototype,buf}function Buffer(arg,encodingOrOffset,length){if("number"==typeof arg){if("string"==typeof encodingOrOffset)throw new Error("If encoding is specified then the first argument must be a string");return allocUnsafe(arg)}return from(arg,encodingOrOffset,length)}"undefined"!=typeof Symbol&&Symbol.species&&Buffer[Symbol.species]===Buffer&&Object.defineProperty(Buffer,Symbol.species,{value:null,configurable:!0,enumerable:!1,writable:!1}),Buffer.poolSize=8192;function from(value,encodingOrOffset,length){if("number"==typeof value)throw new TypeError('"value" argument must not be a number');return isArrayBuffer(value)?function(array,byteOffset,length){if(byteOffset<0||array.byteLength<byteOffset)throw new RangeError("'offset' is out of bounds");if(array.byteLength<byteOffset+(length||0))throw new RangeError("'length' is out of bounds");var buf;buf=void 0===byteOffset&&void 0===length?new Uint8Array(array):void 0===length?new Uint8Array(array,byteOffset):new Uint8Array(array,byteOffset,length);return buf.__proto__=Buffer.prototype,buf}(value,encodingOrOffset,length):"string"==typeof value?function(string,encoding){"string"==typeof encoding&&""!==encoding||(encoding="utf8");if(!Buffer.isEncoding(encoding))throw new TypeError('"encoding" must be a valid string encoding');var length=0|byteLength(string,encoding),buf=createBuffer(length),actual=buf.write(string,encoding);actual!==length&&(buf=buf.slice(0,actual));return buf}(value,encodingOrOffset):function(obj){if(Buffer.isBuffer(obj)){var len=0|checked(obj.length),buf=createBuffer(len);return 0===buf.length?buf:(obj.copy(buf,0,0,len),buf)}if(obj){if(isArrayBufferView(obj)||"length"in obj)return"number"!=typeof obj.length||numberIsNaN(obj.length)?createBuffer(0):fromArrayLike(obj);if("Buffer"===obj.type&&Array.isArray(obj.data))return fromArrayLike(obj.data)}throw new TypeError("First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.")}(value)}Buffer.from=function(value,encodingOrOffset,length){return from(value,encodingOrOffset,length)},Buffer.prototype.__proto__=Uint8Array.prototype,Buffer.__proto__=Uint8Array;function assertSize(size){if("number"!=typeof size)throw new TypeError('"size" argument must be a number');if(size<0)throw new RangeError('"size" argument must not be negative')}Buffer.alloc=function(size,fill,encoding){return function(size,fill,encoding){return assertSize(size),size<=0?createBuffer(size):void 0!==fill?"string"==typeof encoding?createBuffer(size).fill(fill,encoding):createBuffer(size).fill(fill):createBuffer(size)}(size,fill,encoding)};function allocUnsafe(size){return assertSize(size),createBuffer(size<0?0:0|checked(size))}Buffer.allocUnsafe=function(size){return allocUnsafe(size)},Buffer.allocUnsafeSlow=function(size){return allocUnsafe(size)};function fromArrayLike(array){for(var length=array.length<0?0:0|checked(array.length),buf=createBuffer(length),i=0;i<length;i+=1)buf[i]=255&array[i];return buf}function checked(length){if(length>=K_MAX_LENGTH)throw new RangeError("Attempt to allocate Buffer larger than maximum size: 0x"+K_MAX_LENGTH.toString(16)+" bytes");return 0|length}Buffer.isBuffer=function(b){return null!=b&&!0===b._isBuffer},Buffer.compare=function(a,b){if(!Buffer.isBuffer(a)||!Buffer.isBuffer(b))throw new TypeError("Arguments must be Buffers");if(a===b)return 0;for(var x=a.length,y=b.length,i=0,len=Math.min(x,y);i<len;++i)if(a[i]!==b[i]){x=a[i],y=b[i];break}return x<y?-1:y<x?1:0},Buffer.isEncoding=function(encoding){switch(String(encoding).toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"latin1":case"binary":case"base64":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return!0;default:return!1}},Buffer.concat=function(list,length){if(!Array.isArray(list))throw new TypeError('"list" argument must be an Array of Buffers');if(0===list.length)return Buffer.alloc(0);var i;if(void 0===length)for(length=0,i=0;i<list.length;++i)length+=list[i].length;var buffer=Buffer.allocUnsafe(length),pos=0;for(i=0;i<list.length;++i){var buf=list[i];if(!Buffer.isBuffer(buf))throw new TypeError('"list" argument must be an Array of Buffers');buf.copy(buffer,pos),pos+=buf.length}return buffer};function byteLength(string,encoding){if(Buffer.isBuffer(string))return string.length;if(isArrayBufferView(string)||isArrayBuffer(string))return string.byteLength;"string"!=typeof string&&(string=""+string);var len=string.length;if(0===len)return 0;for(var loweredCase=!1;;)switch(encoding){case"ascii":case"latin1":case"binary":return len;case"utf8":case"utf-8":case void 0:return utf8ToBytes(string).length;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return 2*len;case"hex":return len>>>1;case"base64":return base64ToBytes(string).length;default:if(loweredCase)return utf8ToBytes(string).length;encoding=(""+encoding).toLowerCase(),loweredCase=!0}}Buffer.byteLength=byteLength;Buffer.prototype._isBuffer=!0;function swap(b,n,m){var i=b[n];b[n]=b[m],b[m]=i}Buffer.prototype.swap16=function(){var len=this.length;if(len%2!=0)throw new RangeError("Buffer size must be a multiple of 16-bits");for(var i=0;i<len;i+=2)swap(this,i,i+1);return this},Buffer.prototype.swap32=function(){var len=this.length;if(len%4!=0)throw new RangeError("Buffer size must be a multiple of 32-bits");for(var i=0;i<len;i+=4)swap(this,i,i+3),swap(this,i+1,i+2);return this},Buffer.prototype.swap64=function(){var len=this.length;if(len%8!=0)throw new RangeError("Buffer size must be a multiple of 64-bits");for(var i=0;i<len;i+=8)swap(this,i,i+7),swap(this,i+1,i+6),swap(this,i+2,i+5),swap(this,i+3,i+4);return this},Buffer.prototype.toString=function(){var length=this.length;return 0===length?"":0===arguments.length?utf8Slice(this,0,length):function(encoding,start,end){var loweredCase=!1;if((void 0===start||start<0)&&(start=0),start>this.length)return"";if((void 0===end||end>this.length)&&(end=this.length),end<=0)return"";if((end>>>=0)<=(start>>>=0))return"";for(encoding||(encoding="utf8");;)switch(encoding){case"hex":return hexSlice(this,start,end);case"utf8":case"utf-8":return utf8Slice(this,start,end);case"ascii":return asciiSlice(this,start,end);case"latin1":case"binary":return latin1Slice(this,start,end);case"base64":return base64Slice(this,start,end);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return utf16leSlice(this,start,end);default:if(loweredCase)throw new TypeError("Unknown encoding: "+encoding);encoding=(encoding+"").toLowerCase(),loweredCase=!0}}.apply(this,arguments)},Buffer.prototype.equals=function(b){if(!Buffer.isBuffer(b))throw new TypeError("Argument must be a Buffer");return this===b||0===Buffer.compare(this,b)},Buffer.prototype.inspect=function(){var str="",max=exports.INSPECT_MAX_BYTES;return this.length>0&&(str=this.toString("hex",0,max).match(/.{2}/g).join(" "),this.length>max&&(str+=" ... ")),"<Buffer "+str+">"},Buffer.prototype.compare=function(target,start,end,thisStart,thisEnd){if(!Buffer.isBuffer(target))throw new TypeError("Argument must be a Buffer");if(void 0===start&&(start=0),void 0===end&&(end=target?target.length:0),void 0===thisStart&&(thisStart=0),void 0===thisEnd&&(thisEnd=this.length),start<0||end>target.length||thisStart<0||thisEnd>this.length)throw new RangeError("out of range index");if(thisStart>=thisEnd&&start>=end)return 0;if(thisStart>=thisEnd)return-1;if(start>=end)return 1;if(start>>>=0,end>>>=0,thisStart>>>=0,thisEnd>>>=0,this===target)return 0;for(var x=thisEnd-thisStart,y=end-start,len=Math.min(x,y),thisCopy=this.slice(thisStart,thisEnd),targetCopy=target.slice(start,end),i=0;i<len;++i)if(thisCopy[i]!==targetCopy[i]){x=thisCopy[i],y=targetCopy[i];break}return x<y?-1:y<x?1:0};function bidirectionalIndexOf(buffer,val,byteOffset,encoding,dir){if(0===buffer.length)return-1;if("string"==typeof byteOffset?(encoding=byteOffset,byteOffset=0):byteOffset>2147483647?byteOffset=2147483647:byteOffset<-2147483648&&(byteOffset=-2147483648),numberIsNaN(byteOffset=+byteOffset)&&(byteOffset=dir?0:buffer.length-1),byteOffset<0&&(byteOffset=buffer.length+byteOffset),byteOffset>=buffer.length){if(dir)return-1;byteOffset=buffer.length-1}else if(byteOffset<0){if(!dir)return-1;byteOffset=0}if("string"==typeof val&&(val=Buffer.from(val,encoding)),Buffer.isBuffer(val))return 0===val.length?-1:arrayIndexOf(buffer,val,byteOffset,encoding,dir);if("number"==typeof val)return val&=255,"function"==typeof Uint8Array.prototype.indexOf?dir?Uint8Array.prototype.indexOf.call(buffer,val,byteOffset):Uint8Array.prototype.lastIndexOf.call(buffer,val,byteOffset):arrayIndexOf(buffer,[val],byteOffset,encoding,dir);throw new TypeError("val must be string, number or Buffer")}function arrayIndexOf(arr,val,byteOffset,encoding,dir){var indexSize=1,arrLength=arr.length,valLength=val.length;if(void 0!==encoding&&("ucs2"===(encoding=String(encoding).toLowerCase())||"ucs-2"===encoding||"utf16le"===encoding||"utf-16le"===encoding)){if(arr.length<2||val.length<2)return-1;indexSize=2,arrLength/=2,valLength/=2,byteOffset/=2}function read(buf,i){return 1===indexSize?buf[i]:buf.readUInt16BE(i*indexSize)}var i;if(dir){var foundIndex=-1;for(i=byteOffset;i<arrLength;i++)if(read(arr,i)===read(val,-1===foundIndex?0:i-foundIndex)){if(-1===foundIndex&&(foundIndex=i),i-foundIndex+1===valLength)return foundIndex*indexSize}else-1!==foundIndex&&(i-=i-foundIndex),foundIndex=-1}else for(byteOffset+valLength>arrLength&&(byteOffset=arrLength-valLength),i=byteOffset;i>=0;i--){for(var found=!0,j=0;j<valLength;j++)if(read(arr,i+j)!==read(val,j)){found=!1;break}if(found)return i}return-1}Buffer.prototype.includes=function(val,byteOffset,encoding){return-1!==this.indexOf(val,byteOffset,encoding)},Buffer.prototype.indexOf=function(val,byteOffset,encoding){return bidirectionalIndexOf(this,val,byteOffset,encoding,!0)},Buffer.prototype.lastIndexOf=function(val,byteOffset,encoding){return bidirectionalIndexOf(this,val,byteOffset,encoding,!1)};function hexWrite(buf,string,offset,length){offset=Number(offset)||0;var remaining=buf.length-offset;length?(length=Number(length))>remaining&&(length=remaining):length=remaining;var strLen=string.length;if(strLen%2!=0)throw new TypeError("Invalid hex string");length>strLen/2&&(length=strLen/2);for(var i=0;i<length;++i){var parsed=parseInt(string.substr(2*i,2),16);if(numberIsNaN(parsed))return i;buf[offset+i]=parsed}return i}function utf8Write(buf,string,offset,length){return blitBuffer(utf8ToBytes(string,buf.length-offset),buf,offset,length)}function asciiWrite(buf,string,offset,length){return blitBuffer(function(str){for(var byteArray=[],i=0;i<str.length;++i)byteArray.push(255&str.charCodeAt(i));return byteArray}(string),buf,offset,length)}function latin1Write(buf,string,offset,length){return asciiWrite(buf,string,offset,length)}function base64Write(buf,string,offset,length){return blitBuffer(base64ToBytes(string),buf,offset,length)}function ucs2Write(buf,string,offset,length){return blitBuffer(function(str,units){for(var c,hi,lo,byteArray=[],i=0;i<str.length&&!((units-=2)<0);++i)c=str.charCodeAt(i),hi=c>>8,lo=c%256,byteArray.push(lo),byteArray.push(hi);return byteArray}(string,buf.length-offset),buf,offset,length)}Buffer.prototype.write=function(string,offset,length,encoding){if(void 0===offset)encoding="utf8",length=this.length,offset=0;else if(void 0===length&&"string"==typeof offset)encoding=offset,length=this.length,offset=0;else{if(!isFinite(offset))throw new Error("Buffer.write(string, encoding, offset[, length]) is no longer supported");offset>>>=0,isFinite(length)?(length>>>=0,void 0===encoding&&(encoding="utf8")):(encoding=length,length=void 0)}var remaining=this.length-offset;if((void 0===length||length>remaining)&&(length=remaining),string.length>0&&(length<0||offset<0)||offset>this.length)throw new RangeError("Attempt to write outside buffer bounds");encoding||(encoding="utf8");for(var loweredCase=!1;;)switch(encoding){case"hex":return hexWrite(this,string,offset,length);case"utf8":case"utf-8":return utf8Write(this,string,offset,length);case"ascii":return asciiWrite(this,string,offset,length);case"latin1":case"binary":return latin1Write(this,string,offset,length);case"base64":return base64Write(this,string,offset,length);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return ucs2Write(this,string,offset,length);default:if(loweredCase)throw new TypeError("Unknown encoding: "+encoding);encoding=(""+encoding).toLowerCase(),loweredCase=!0}},Buffer.prototype.toJSON=function(){return{type:"Buffer",data:Array.prototype.slice.call(this._arr||this,0)}};function base64Slice(buf,start,end){return 0===start&&end===buf.length?base64.fromByteArray(buf):base64.fromByteArray(buf.slice(start,end))}function utf8Slice(buf,start,end){end=Math.min(buf.length,end);for(var res=[],i=start;i<end;){var firstByte=buf[i],codePoint=null,bytesPerSequence=firstByte>239?4:firstByte>223?3:firstByte>191?2:1;if(i+bytesPerSequence<=end){var secondByte,thirdByte,fourthByte,tempCodePoint;switch(bytesPerSequence){case 1:firstByte<128&&(codePoint=firstByte);break;case 2:128==(192&(secondByte=buf[i+1]))&&(tempCodePoint=(31&firstByte)<<6|63&secondByte)>127&&(codePoint=tempCodePoint);break;case 3:secondByte=buf[i+1],thirdByte=buf[i+2],128==(192&secondByte)&&128==(192&thirdByte)&&(tempCodePoint=(15&firstByte)<<12|(63&secondByte)<<6|63&thirdByte)>2047&&(tempCodePoint<55296||tempCodePoint>57343)&&(codePoint=tempCodePoint);break;case 4:secondByte=buf[i+1],thirdByte=buf[i+2],fourthByte=buf[i+3],128==(192&secondByte)&&128==(192&thirdByte)&&128==(192&fourthByte)&&(tempCodePoint=(15&firstByte)<<18|(63&secondByte)<<12|(63&thirdByte)<<6|63&fourthByte)>65535&&tempCodePoint<1114112&&(codePoint=tempCodePoint)}}null===codePoint?(codePoint=65533,bytesPerSequence=1):codePoint>65535&&(codePoint-=65536,res.push(codePoint>>>10&1023|55296),codePoint=56320|1023&codePoint),res.push(codePoint),i+=bytesPerSequence}return function(codePoints){var len=codePoints.length;if(len<=MAX_ARGUMENTS_LENGTH)return String.fromCharCode.apply(String,codePoints);var res="",i=0;for(;i<len;)res+=String.fromCharCode.apply(String,codePoints.slice(i,i+=MAX_ARGUMENTS_LENGTH));return res}(res)}var MAX_ARGUMENTS_LENGTH=4096;function asciiSlice(buf,start,end){var ret="";end=Math.min(buf.length,end);for(var i=start;i<end;++i)ret+=String.fromCharCode(127&buf[i]);return ret}function latin1Slice(buf,start,end){var ret="";end=Math.min(buf.length,end);for(var i=start;i<end;++i)ret+=String.fromCharCode(buf[i]);return ret}function hexSlice(buf,start,end){var len=buf.length;(!start||start<0)&&(start=0),(!end||end<0||end>len)&&(end=len);for(var out="",i=start;i<end;++i)out+=toHex(buf[i]);return out}function utf16leSlice(buf,start,end){for(var bytes=buf.slice(start,end),res="",i=0;i<bytes.length;i+=2)res+=String.fromCharCode(bytes[i]+256*bytes[i+1]);return res}Buffer.prototype.slice=function(start,end){var len=this.length;start=~~start,end=void 0===end?len:~~end,start<0?(start+=len)<0&&(start=0):start>len&&(start=len),end<0?(end+=len)<0&&(end=0):end>len&&(end=len),end<start&&(end=start);var newBuf=this.subarray(start,end);return newBuf.__proto__=Buffer.prototype,newBuf};function checkOffset(offset,ext,length){if(offset%1!=0||offset<0)throw new RangeError("offset is not uint");if(offset+ext>length)throw new RangeError("Trying to access beyond buffer length")}Buffer.prototype.readUIntLE=function(offset,byteLength,noAssert){offset>>>=0,byteLength>>>=0,noAssert||checkOffset(offset,byteLength,this.length);for(var val=this[offset],mul=1,i=0;++i<byteLength&&(mul*=256);)val+=this[offset+i]*mul;return val},Buffer.prototype.readUIntBE=function(offset,byteLength,noAssert){offset>>>=0,byteLength>>>=0,noAssert||checkOffset(offset,byteLength,this.length);for(var val=this[offset+--byteLength],mul=1;byteLength>0&&(mul*=256);)val+=this[offset+--byteLength]*mul;return val},Buffer.prototype.readUInt8=function(offset,noAssert){return offset>>>=0,noAssert||checkOffset(offset,1,this.length),this[offset]},Buffer.prototype.readUInt16LE=function(offset,noAssert){return offset>>>=0,noAssert||checkOffset(offset,2,this.length),this[offset]|this[offset+1]<<8},Buffer.prototype.readUInt16BE=function(offset,noAssert){return offset>>>=0,noAssert||checkOffset(offset,2,this.length),this[offset]<<8|this[offset+1]},Buffer.prototype.readUInt32LE=function(offset,noAssert){return offset>>>=0,noAssert||checkOffset(offset,4,this.length),(this[offset]|this[offset+1]<<8|this[offset+2]<<16)+16777216*this[offset+3]},Buffer.prototype.readUInt32BE=function(offset,noAssert){return offset>>>=0,noAssert||checkOffset(offset,4,this.length),16777216*this[offset]+(this[offset+1]<<16|this[offset+2]<<8|this[offset+3])},Buffer.prototype.readIntLE=function(offset,byteLength,noAssert){offset>>>=0,byteLength>>>=0,noAssert||checkOffset(offset,byteLength,this.length);for(var val=this[offset],mul=1,i=0;++i<byteLength&&(mul*=256);)val+=this[offset+i]*mul;return val>=(mul*=128)&&(val-=Math.pow(2,8*byteLength)),val},Buffer.prototype.readIntBE=function(offset,byteLength,noAssert){offset>>>=0,byteLength>>>=0,noAssert||checkOffset(offset,byteLength,this.length);for(var i=byteLength,mul=1,val=this[offset+--i];i>0&&(mul*=256);)val+=this[offset+--i]*mul;return val>=(mul*=128)&&(val-=Math.pow(2,8*byteLength)),val},Buffer.prototype.readInt8=function(offset,noAssert){return offset>>>=0,noAssert||checkOffset(offset,1,this.length),128&this[offset]?-1*(255-this[offset]+1):this[offset]},Buffer.prototype.readInt16LE=function(offset,noAssert){offset>>>=0,noAssert||checkOffset(offset,2,this.length);var val=this[offset]|this[offset+1]<<8;return 32768&val?4294901760|val:val},Buffer.prototype.readInt16BE=function(offset,noAssert){offset>>>=0,noAssert||checkOffset(offset,2,this.length);var val=this[offset+1]|this[offset]<<8;return 32768&val?4294901760|val:val},Buffer.prototype.readInt32LE=function(offset,noAssert){return offset>>>=0,noAssert||checkOffset(offset,4,this.length),this[offset]|this[offset+1]<<8|this[offset+2]<<16|this[offset+3]<<24},Buffer.prototype.readInt32BE=function(offset,noAssert){return offset>>>=0,noAssert||checkOffset(offset,4,this.length),this[offset]<<24|this[offset+1]<<16|this[offset+2]<<8|this[offset+3]},Buffer.prototype.readFloatLE=function(offset,noAssert){return offset>>>=0,noAssert||checkOffset(offset,4,this.length),ieee754.read(this,offset,!0,23,4)},Buffer.prototype.readFloatBE=function(offset,noAssert){return offset>>>=0,noAssert||checkOffset(offset,4,this.length),ieee754.read(this,offset,!1,23,4)},Buffer.prototype.readDoubleLE=function(offset,noAssert){return offset>>>=0,noAssert||checkOffset(offset,8,this.length),ieee754.read(this,offset,!0,52,8)},Buffer.prototype.readDoubleBE=function(offset,noAssert){return offset>>>=0,noAssert||checkOffset(offset,8,this.length),ieee754.read(this,offset,!1,52,8)};function checkInt(buf,value,offset,ext,max,min){if(!Buffer.isBuffer(buf))throw new TypeError('"buffer" argument must be a Buffer instance');if(value>max||value<min)throw new RangeError('"value" argument is out of bounds');if(offset+ext>buf.length)throw new RangeError("Index out of range")}Buffer.prototype.writeUIntLE=function(value,offset,byteLength,noAssert){if(value=+value,offset>>>=0,byteLength>>>=0,!noAssert){checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength)-1,0)}var mul=1,i=0;for(this[offset]=255&value;++i<byteLength&&(mul*=256);)this[offset+i]=value/mul&255;return offset+byteLength},Buffer.prototype.writeUIntBE=function(value,offset,byteLength,noAssert){if(value=+value,offset>>>=0,byteLength>>>=0,!noAssert){checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength)-1,0)}var i=byteLength-1,mul=1;for(this[offset+i]=255&value;--i>=0&&(mul*=256);)this[offset+i]=value/mul&255;return offset+byteLength},Buffer.prototype.writeUInt8=function(value,offset,noAssert){return value=+value,offset>>>=0,noAssert||checkInt(this,value,offset,1,255,0),this[offset]=255&value,offset+1},Buffer.prototype.writeUInt16LE=function(value,offset,noAssert){return value=+value,offset>>>=0,noAssert||checkInt(this,value,offset,2,65535,0),this[offset]=255&value,this[offset+1]=value>>>8,offset+2},Buffer.prototype.writeUInt16BE=function(value,offset,noAssert){return value=+value,offset>>>=0,noAssert||checkInt(this,value,offset,2,65535,0),this[offset]=value>>>8,this[offset+1]=255&value,offset+2},Buffer.prototype.writeUInt32LE=function(value,offset,noAssert){return value=+value,offset>>>=0,noAssert||checkInt(this,value,offset,4,4294967295,0),this[offset+3]=value>>>24,this[offset+2]=value>>>16,this[offset+1]=value>>>8,this[offset]=255&value,offset+4},Buffer.prototype.writeUInt32BE=function(value,offset,noAssert){return value=+value,offset>>>=0,noAssert||checkInt(this,value,offset,4,4294967295,0),this[offset]=value>>>24,this[offset+1]=value>>>16,this[offset+2]=value>>>8,this[offset+3]=255&value,offset+4},Buffer.prototype.writeIntLE=function(value,offset,byteLength,noAssert){if(value=+value,offset>>>=0,!noAssert){var limit=Math.pow(2,8*byteLength-1);checkInt(this,value,offset,byteLength,limit-1,-limit)}var i=0,mul=1,sub=0;for(this[offset]=255&value;++i<byteLength&&(mul*=256);)value<0&&0===sub&&0!==this[offset+i-1]&&(sub=1),this[offset+i]=(value/mul>>0)-sub&255;return offset+byteLength},Buffer.prototype.writeIntBE=function(value,offset,byteLength,noAssert){if(value=+value,offset>>>=0,!noAssert){var limit=Math.pow(2,8*byteLength-1);checkInt(this,value,offset,byteLength,limit-1,-limit)}var i=byteLength-1,mul=1,sub=0;for(this[offset+i]=255&value;--i>=0&&(mul*=256);)value<0&&0===sub&&0!==this[offset+i+1]&&(sub=1),this[offset+i]=(value/mul>>0)-sub&255;return offset+byteLength},Buffer.prototype.writeInt8=function(value,offset,noAssert){return value=+value,offset>>>=0,noAssert||checkInt(this,value,offset,1,127,-128),value<0&&(value=255+value+1),this[offset]=255&value,offset+1},Buffer.prototype.writeInt16LE=function(value,offset,noAssert){return value=+value,offset>>>=0,noAssert||checkInt(this,value,offset,2,32767,-32768),this[offset]=255&value,this[offset+1]=value>>>8,offset+2},Buffer.prototype.writeInt16BE=function(value,offset,noAssert){return value=+value,offset>>>=0,noAssert||checkInt(this,value,offset,2,32767,-32768),this[offset]=value>>>8,this[offset+1]=255&value,offset+2},Buffer.prototype.writeInt32LE=function(value,offset,noAssert){return value=+value,offset>>>=0,noAssert||checkInt(this,value,offset,4,2147483647,-2147483648),this[offset]=255&value,this[offset+1]=value>>>8,this[offset+2]=value>>>16,this[offset+3]=value>>>24,offset+4},Buffer.prototype.writeInt32BE=function(value,offset,noAssert){return value=+value,offset>>>=0,noAssert||checkInt(this,value,offset,4,2147483647,-2147483648),value<0&&(value=4294967295+value+1),this[offset]=value>>>24,this[offset+1]=value>>>16,this[offset+2]=value>>>8,this[offset+3]=255&value,offset+4};function checkIEEE754(buf,value,offset,ext,max,min){if(offset+ext>buf.length)throw new RangeError("Index out of range");if(offset<0)throw new RangeError("Index out of range")}function writeFloat(buf,value,offset,littleEndian,noAssert){return value=+value,offset>>>=0,noAssert||checkIEEE754(buf,0,offset,4),ieee754.write(buf,value,offset,littleEndian,23,4),offset+4}Buffer.prototype.writeFloatLE=function(value,offset,noAssert){return writeFloat(this,value,offset,!0,noAssert)},Buffer.prototype.writeFloatBE=function(value,offset,noAssert){return writeFloat(this,value,offset,!1,noAssert)};function writeDouble(buf,value,offset,littleEndian,noAssert){return value=+value,offset>>>=0,noAssert||checkIEEE754(buf,0,offset,8),ieee754.write(buf,value,offset,littleEndian,52,8),offset+8}Buffer.prototype.writeDoubleLE=function(value,offset,noAssert){return writeDouble(this,value,offset,!0,noAssert)},Buffer.prototype.writeDoubleBE=function(value,offset,noAssert){return writeDouble(this,value,offset,!1,noAssert)},Buffer.prototype.copy=function(target,targetStart,start,end){if(start||(start=0),end||0===end||(end=this.length),targetStart>=target.length&&(targetStart=target.length),targetStart||(targetStart=0),end>0&&end<start&&(end=start),end===start)return 0;if(0===target.length||0===this.length)return 0;if(targetStart<0)throw new RangeError("targetStart out of bounds");if(start<0||start>=this.length)throw new RangeError("sourceStart out of bounds");if(end<0)throw new RangeError("sourceEnd out of bounds");end>this.length&&(end=this.length),target.length-targetStart<end-start&&(end=target.length-targetStart+start);var i,len=end-start;if(this===target&&start<targetStart&&targetStart<end)for(i=len-1;i>=0;--i)target[i+targetStart]=this[i+start];else if(len<1e3)for(i=0;i<len;++i)target[i+targetStart]=this[i+start];else Uint8Array.prototype.set.call(target,this.subarray(start,start+len),targetStart);return len},Buffer.prototype.fill=function(val,start,end,encoding){if("string"==typeof val){if("string"==typeof start?(encoding=start,start=0,end=this.length):"string"==typeof end&&(encoding=end,end=this.length),1===val.length){var code=val.charCodeAt(0);code<256&&(val=code)}if(void 0!==encoding&&"string"!=typeof encoding)throw new TypeError("encoding must be a string");if("string"==typeof encoding&&!Buffer.isEncoding(encoding))throw new TypeError("Unknown encoding: "+encoding)}else"number"==typeof val&&(val&=255);if(start<0||this.length<start||this.length<end)throw new RangeError("Out of range index");if(end<=start)return this;start>>>=0,end=void 0===end?this.length:end>>>0,val||(val=0);var i;if("number"==typeof val)for(i=start;i<end;++i)this[i]=val;else{var bytes=Buffer.isBuffer(val)?val:new Buffer(val,encoding),len=bytes.length;for(i=0;i<end-start;++i)this[i+start]=bytes[i%len]}return this};var INVALID_BASE64_RE=/[^+/0-9A-Za-z-_]/g;function toHex(n){return n<16?"0"+n.toString(16):n.toString(16)}function utf8ToBytes(string,units){units=units||1/0;for(var codePoint,length=string.length,leadSurrogate=null,bytes=[],i=0;i<length;++i){if((codePoint=string.charCodeAt(i))>55295&&codePoint<57344){if(!leadSurrogate){if(codePoint>56319){(units-=3)>-1&&bytes.push(239,191,189);continue}if(i+1===length){(units-=3)>-1&&bytes.push(239,191,189);continue}leadSurrogate=codePoint;continue}if(codePoint<56320){(units-=3)>-1&&bytes.push(239,191,189),leadSurrogate=codePoint;continue}codePoint=65536+(leadSurrogate-55296<<10|codePoint-56320)}else leadSurrogate&&(units-=3)>-1&&bytes.push(239,191,189);if(leadSurrogate=null,codePoint<128){if((units-=1)<0)break;bytes.push(codePoint)}else if(codePoint<2048){if((units-=2)<0)break;bytes.push(codePoint>>6|192,63&codePoint|128)}else if(codePoint<65536){if((units-=3)<0)break;bytes.push(codePoint>>12|224,codePoint>>6&63|128,63&codePoint|128)}else{if(!(codePoint<1114112))throw new Error("Invalid code point");if((units-=4)<0)break;bytes.push(codePoint>>18|240,codePoint>>12&63|128,codePoint>>6&63|128,63&codePoint|128)}}return bytes}function base64ToBytes(str){return base64.toByteArray(function(str){if((str=str.trim().replace(INVALID_BASE64_RE,"")).length<2)return"";for(;str.length%4!=0;)str+="=";return str}(str))}function blitBuffer(src,dst,offset,length){for(var i=0;i<length&&!(i+offset>=dst.length||i>=src.length);++i)dst[i+offset]=src[i];return i}function isArrayBuffer(obj){return obj instanceof ArrayBuffer||null!=obj&&null!=obj.constructor&&"ArrayBuffer"===obj.constructor.name&&"number"==typeof obj.byteLength}function isArrayBufferView(obj){return"function"==typeof ArrayBuffer.isView&&ArrayBuffer.isView(obj)}function numberIsNaN(obj){return obj!=obj}},{"base64-js":17,ieee754:143}],71:[function(require,module,exports){"use strict";var validate=require("./validation").validate,CHARSET="qpzry9x8gf2tvdw0s3jn54khce6mua7l",CHARSET_INVERSE_INDEX={q:0,p:1,z:2,r:3,y:4,9:5,x:6,8:7,g:8,f:9,2:10,t:11,v:12,d:13,w:14,0:15,s:16,3:17,j:18,n:19,5:20,4:21,k:22,h:23,c:24,e:25,6:26,m:27,u:28,a:29,7:30,l:31};module.exports={encode:function(data){validate(data instanceof Uint8Array,"Invalid data: "+data+".");for(var base32="",i=0;i<data.length;++i){var value=data[i];validate(0<=value&&value<32,"Invalid value: "+value+"."),base32+=CHARSET[value]}return base32},decode:function(string){validate("string"==typeof string,"Invalid base32-encoded string: "+string+".");for(var data=new Uint8Array(string.length),i=0;i<string.length;++i){var value=string[i];validate(value in CHARSET_INVERSE_INDEX,"Invalid value: "+value+"."),data[i]=CHARSET_INVERSE_INDEX[value]}return data}}},{"./validation":74}],72:[function(require,module,exports){"use strict";var base32=require("./base32"),bigInt=require("big-integer"),convertBits=require("./convertBits"),validation=require("./validation"),validate=validation.validate;var ValidationError=validation.ValidationError,VALID_PREFIXES=["bitcoincash","bchtest","bchreg"];function prefixToUint5Array(prefix){for(var result=new Uint8Array(prefix.length),i=0;i<prefix.length;++i)result[i]=31&prefix[i].charCodeAt(0);return result}function concat(a,b){var ab=new Uint8Array(a.length+b.length);return ab.set(a),ab.set(b,a.length),ab}function polymod(data){for(var GENERATOR=[656907472481,522768456162,0xf33e5fb3c4,748107326120,130178868336],checksum=bigInt(1),i=0;i<data.length;++i){var value=data[i],topBits=checksum.shiftRight(35);checksum=checksum.and(34359738367).shiftLeft(5).xor(value);for(var j=0;j<GENERATOR.length;++j)topBits.shiftRight(j).and(1).equals(1)&&(checksum=checksum.xor(GENERATOR[j]))}return checksum.xor(1)}function hasSingleCase(string){return string===string.toLowerCase()||string===string.toUpperCase()}module.exports={encode:function(prefix,type,hash){validate("string"==typeof prefix&&function(prefix){return hasSingleCase(prefix)&&-1!==VALID_PREFIXES.indexOf(prefix.toLowerCase())}(prefix),"Invalid prefix: "+prefix+"."),validate("string"==typeof type,"Invalid type: "+type+"."),validate(hash instanceof Uint8Array,"Invalid hash: "+hash+".");var data,prefixData=concat(prefixToUint5Array(prefix),new Uint8Array(1)),versionByte=function(type){switch(type){case"P2PKH":return 0;case"P2SH":return 8;default:throw new ValidationError("Invalid type: "+type+".")}}(type)+function(hash){switch(8*hash.length){case 160:return 0;case 192:return 1;case 224:return 2;case 256:return 3;case 320:return 4;case 384:return 5;case 448:return 6;case 512:return 7;default:throw new ValidationError("Invalid hash size: "+hash.length+".")}}(hash),payloadData=(data=concat(Uint8Array.of(versionByte),hash),convertBits(data,8,5)),payload=concat(payloadData,function(checksum){for(var result=new Uint8Array(8),i=0;i<8;++i)result[7-i]=checksum.and(31).toJSNumber(),checksum=checksum.shiftRight(5);return result}(polymod(concat(concat(prefixData,payloadData),new Uint8Array(8)))));return prefix+":"+base32.encode(payload)},decode:function(address){validate("string"==typeof address&&hasSingleCase(address),"Invalid address: "+address+".");var pieces=address.toLowerCase().split(":");validate(2===pieces.length,"Missing prefix: "+address+".");var prefix=pieces[0],payload=base32.decode(pieces[1]);validate(function(prefix,payload){return polymod(concat(concat(prefixToUint5Array(prefix),new Uint8Array(1)),payload)).equals(0)}(prefix,payload),"Invalid checksum: "+address+".");var data,payloadData=(data=payload.slice(0,-8),convertBits(data,5,8,!0)),versionByte=payloadData[0],hash=payloadData.slice(1);return validate(function(versionByte){switch(7&versionByte){case 0:return 160;case 1:return 192;case 2:return 224;case 3:return 256;case 4:return 320;case 5:return 384;case 6:return 448;case 7:return 512}}(versionByte)===8*hash.length,"Invalid hash size: "+address+"."),{prefix:prefix,type:function(versionByte){switch(120&versionByte){case 0:return"P2PKH";case 8:return"P2SH";default:throw new ValidationError("Invalid address type in version byte: "+versionByte+".")}}(versionByte),hash:hash}},ValidationError:ValidationError}},{"./base32":71,"./convertBits":73,"./validation":74,"big-integer":18}],73:[function(require,module,exports){"use strict";var validate=require("./validation").validate;module.exports=function(data,from,to,strictMode){for(var length=strictMode?Math.floor(data.length*from/to):Math.ceil(data.length*from/to),mask=(1<<to)-1,result=new Uint8Array(length),index=0,accumulator=0,bits=0,i=0;i<data.length;++i){var value=data[i];for(validate(0<=value&&value>>from==0,"Invalid value: "+value+"."),accumulator=accumulator<<from|value,bits+=from;bits>=to;)bits-=to,result[index]=accumulator>>bits&mask,++index}return strictMode?validate(bits<from&&0==(accumulator<<to-bits&mask),"Input cannot be converted to "+to+" bits without padding, but strict mode was used."):bits>0&&(result[index]=accumulator<<to-bits&mask,++index),result}},{"./validation":74}],74:[function(require,module,exports){"use strict";function ValidationError(message){var error=new Error;this.name=error.name="ValidationError",this.message=error.message=message,this.stack=error.stack}ValidationError.prototype=Object.create(Error.prototype);module.exports={ValidationError:ValidationError,validate:function(condition,message){if(!condition)throw new ValidationError(message)}}},{}],75:[function(require,module,exports){var Buffer=require("safe-buffer").Buffer,Transform=require("stream").Transform,StringDecoder=require("string_decoder").StringDecoder;function CipherBase(hashMode){Transform.call(this),this.hashMode="string"==typeof hashMode,this.hashMode?this[hashMode]=this._finalOrDigest:this.final=this._finalOrDigest,this._final&&(this.__final=this._final,this._final=null),this._decoder=null,this._encoding=null}require("inherits")(CipherBase,Transform),CipherBase.prototype.update=function(data,inputEnc,outputEnc){"string"==typeof data&&(data=Buffer.from(data,inputEnc));var outData=this._update(data);return this.hashMode?this:(outputEnc&&(outData=this._toString(outData,outputEnc)),outData)},CipherBase.prototype.setAutoPadding=function(){},CipherBase.prototype.getAuthTag=function(){throw new Error("trying to get auth tag in unsupported state")},CipherBase.prototype.setAuthTag=function(){throw new Error("trying to set auth tag in unsupported state")},CipherBase.prototype.setAAD=function(){throw new Error("trying to set aad in unsupported state")},CipherBase.prototype._transform=function(data,_,next){var err;try{this.hashMode?this._update(data):this.push(this._update(data))}catch(e){err=e}finally{next(err)}},CipherBase.prototype._flush=function(done){var err;try{this.push(this.__final())}catch(e){err=e}done(err)},CipherBase.prototype._finalOrDigest=function(outputEnc){var outData=this.__final()||Buffer.alloc(0);return outputEnc&&(outData=this._toString(outData,outputEnc,!0)),outData},CipherBase.prototype._toString=function(value,enc,fin){if(this._decoder||(this._decoder=new StringDecoder(enc),this._encoding=enc),this._encoding!==enc)throw new Error("can't switch encodings");var out=this._decoder.write(value);return fin&&(out+=this._decoder.end()),out},module.exports=CipherBase},{inherits:145,"safe-buffer":195,stream:204,string_decoder:205}],76:[function(require,module,exports){(function(Buffer){exports.isArray=function(arg){return Array.isArray?Array.isArray(arg):"[object Array]"===objectToString(arg)};exports.isBoolean=function(arg){return"boolean"==typeof arg};exports.isNull=function(arg){return null===arg};exports.isNullOrUndefined=function(arg){return null==arg};exports.isNumber=function(arg){return"number"==typeof arg};exports.isString=function(arg){return"string"==typeof arg};exports.isSymbol=function(arg){return"symbol"==typeof arg};exports.isUndefined=function(arg){return void 0===arg};exports.isRegExp=function(re){return"[object RegExp]"===objectToString(re)};exports.isObject=function(arg){return"object"==typeof arg&&null!==arg};exports.isDate=function(d){return"[object Date]"===objectToString(d)};exports.isError=function(e){return"[object Error]"===objectToString(e)||e instanceof Error};exports.isFunction=function(arg){return"function"==typeof arg};exports.isPrimitive=function(arg){return null===arg||"boolean"==typeof arg||"number"==typeof arg||"string"==typeof arg||"symbol"==typeof arg||void 0===arg},exports.isBuffer=Buffer.isBuffer;function objectToString(o){return Object.prototype.toString.call(o)}}).call(this,{isBuffer:require("../../is-buffer/index.js")})},{"../../is-buffer/index.js":146}],77:[function(require,module,exports){(function(Buffer){var elliptic=require("elliptic"),BN=require("bn.js");module.exports=function(curve){return new ECDH(curve)};var aliases={secp256k1:{name:"secp256k1",byteLength:32},secp224r1:{name:"p224",byteLength:28},prime256v1:{name:"p256",byteLength:32},prime192v1:{name:"p192",byteLength:24},ed25519:{name:"ed25519",byteLength:32},secp384r1:{name:"p384",byteLength:48},secp521r1:{name:"p521",byteLength:66}};aliases.p224=aliases.secp224r1,aliases.p256=aliases.secp256r1=aliases.prime256v1,aliases.p192=aliases.secp192r1=aliases.prime192v1,aliases.p384=aliases.secp384r1,aliases.p521=aliases.secp521r1;function ECDH(curve){this.curveType=aliases[curve],this.curveType||(this.curveType={name:curve}),this.curve=new elliptic.ec(this.curveType.name),this.keys=void 0}ECDH.prototype.generateKeys=function(enc,format){return this.keys=this.curve.genKeyPair(),this.getPublicKey(enc,format)},ECDH.prototype.computeSecret=function(other,inenc,enc){inenc=inenc||"utf8",Buffer.isBuffer(other)||(other=new Buffer(other,inenc));return formatReturnValue(this.curve.keyFromPublic(other).getPublic().mul(this.keys.getPrivate()).getX(),enc,this.curveType.byteLength)},ECDH.prototype.getPublicKey=function(enc,format){var key=this.keys.getPublic("compressed"===format,!0);return"hybrid"===format&&(key[key.length-1]%2?key[0]=7:key[0]=6),formatReturnValue(key,enc)},ECDH.prototype.getPrivateKey=function(enc){return formatReturnValue(this.keys.getPrivate(),enc)},ECDH.prototype.setPublicKey=function(pub,enc){return enc=enc||"utf8",Buffer.isBuffer(pub)||(pub=new Buffer(pub,enc)),this.keys._importPublic(pub),this},ECDH.prototype.setPrivateKey=function(priv,enc){enc=enc||"utf8",Buffer.isBuffer(priv)||(priv=new Buffer(priv,enc));var _priv=new BN(priv);return _priv=_priv.toString(16),this.keys._importPrivate(_priv),this};function formatReturnValue(bn,enc,len){Array.isArray(bn)||(bn=bn.toArray());var buf=new Buffer(bn);if(len&&buf.length<len){var zeros=new Buffer(len-buf.length);zeros.fill(0),buf=Buffer.concat([zeros,buf])}return enc?buf.toString(enc):buf}}).call(this,require("buffer").Buffer)},{"bn.js":78,buffer:70,elliptic:79}],78:[function(require,module,exports){arguments[4][15][0].apply(exports,arguments)},{buffer:21,dup:15}],79:[function(require,module,exports){arguments[4][51][0].apply(exports,arguments)},{"../package.json":94,"./elliptic/curve":82,"./elliptic/curves":85,"./elliptic/ec":86,"./elliptic/eddsa":89,"./elliptic/utils":93,brorand:20,dup:51}],80:[function(require,module,exports){arguments[4][52][0].apply(exports,arguments)},{"../../elliptic":79,"bn.js":78,dup:52}],81:[function(require,module,exports){arguments[4][53][0].apply(exports,arguments)},{"../../elliptic":79,"../curve":82,"bn.js":78,dup:53,inherits:145}],82:[function(require,module,exports){arguments[4][54][0].apply(exports,arguments)},{"./base":80,"./edwards":81,"./mont":83,"./short":84,dup:54}],83:[function(require,module,exports){arguments[4][55][0].apply(exports,arguments)},{"../../elliptic":79,"../curve":82,"bn.js":78,dup:55,inherits:145}],84:[function(require,module,exports){arguments[4][56][0].apply(exports,arguments)},{"../../elliptic":79,"../curve":82,"bn.js":78,dup:56,inherits:145}],85:[function(require,module,exports){arguments[4][57][0].apply(exports,arguments)},{"../elliptic":79,"./precomputed/secp256k1":92,dup:57,"hash.js":129}],86:[function(require,module,exports){arguments[4][58][0].apply(exports,arguments)},{"../../elliptic":79,"./key":87,"./signature":88,"bn.js":78,dup:58,"hmac-drbg":142}],87:[function(require,module,exports){arguments[4][59][0].apply(exports,arguments)},{"../../elliptic":79,"bn.js":78,dup:59}],88:[function(require,module,exports){arguments[4][60][0].apply(exports,arguments)},{"../../elliptic":79,"bn.js":78,dup:60}],89:[function(require,module,exports){arguments[4][61][0].apply(exports,arguments)},{"../../elliptic":79,"./key":90,"./signature":91,dup:61,"hash.js":129}],90:[function(require,module,exports){arguments[4][62][0].apply(exports,arguments)},{"../../elliptic":79,dup:62}],91:[function(require,module,exports){arguments[4][63][0].apply(exports,arguments)},{"../../elliptic":79,"bn.js":78,dup:63}],92:[function(require,module,exports){arguments[4][64][0].apply(exports,arguments)},{dup:64}],93:[function(require,module,exports){arguments[4][65][0].apply(exports,arguments)},{"bn.js":78,dup:65,"minimalistic-assert":153,"minimalistic-crypto-utils":154}],94:[function(require,module,exports){module.exports={_args:[["elliptic@6.4.0","/home/emilio/dev/bitcoincashjs/bitcoincashjs"]],_development:!0,_from:"elliptic@6.4.0",_id:"elliptic@6.4.0",_inBundle:!1,_integrity:"sha1-ysmvh2LIWDYYcAPI3+GT5eLq5d8=",_location:"/create-ecdh/elliptic",_phantomChildren:{},_requested:{type:"version",registry:!0,raw:"elliptic@6.4.0",name:"elliptic",escapedName:"elliptic",rawSpec:"6.4.0",saveSpec:null,fetchSpec:"6.4.0"},_requiredBy:["/create-ecdh"],_resolved:"https://registry.npmjs.org/elliptic/-/elliptic-6.4.0.tgz",_spec:"6.4.0",_where:"/home/emilio/dev/bitcoincashjs/bitcoincashjs",author:{name:"Fedor Indutny",email:"fedor@indutny.com"},bugs:{url:"https://github.com/indutny/elliptic/issues"},dependencies:{"bn.js":"^4.4.0",brorand:"^1.0.1","hash.js":"^1.0.0","hmac-drbg":"^1.0.0",inherits:"^2.0.1","minimalistic-assert":"^1.0.0","minimalistic-crypto-utils":"^1.0.0"},description:"EC cryptography",devDependencies:{brfs:"^1.4.3",coveralls:"^2.11.3",grunt:"^0.4.5","grunt-browserify":"^5.0.0","grunt-cli":"^1.2.0","grunt-contrib-connect":"^1.0.0","grunt-contrib-copy":"^1.0.0","grunt-contrib-uglify":"^1.0.1","grunt-mocha-istanbul":"^3.0.1","grunt-saucelabs":"^8.6.2",istanbul:"^0.4.2",jscs:"^2.9.0",jshint:"^2.6.0",mocha:"^2.1.0"},files:["lib"],homepage:"https://github.com/indutny/elliptic",keywords:["EC","Elliptic","curve","Cryptography"],license:"MIT",main:"lib/elliptic.js",name:"elliptic",repository:{type:"git",url:"git+ssh://git@github.com/indutny/elliptic.git"},scripts:{jscs:"jscs benchmarks/*.js lib/*.js lib/**/*.js lib/**/**/*.js test/index.js",jshint:"jscs benchmarks/*.js lib/*.js lib/**/*.js lib/**/**/*.js test/index.js",lint:"npm run jscs && npm run jshint",test:"npm run lint && npm run unit",unit:"istanbul test _mocha --reporter=spec test/index.js",version:"grunt dist && git add dist/"},version:"6.4.0"}},{}],95:[function(require,module,exports){(function(Buffer){"use strict";var inherits=require("inherits"),md5=require("./md5"),RIPEMD160=require("ripemd160"),sha=require("sha.js"),Base=require("cipher-base");function HashNoConstructor(hash){Base.call(this,"digest"),this._hash=hash,this.buffers=[]}inherits(HashNoConstructor,Base),HashNoConstructor.prototype._update=function(data){this.buffers.push(data)},HashNoConstructor.prototype._final=function(){var buf=Buffer.concat(this.buffers),r=this._hash(buf);return this.buffers=null,r};function Hash(hash){Base.call(this,"digest"),this._hash=hash}inherits(Hash,Base),Hash.prototype._update=function(data){this._hash.update(data)},Hash.prototype._final=function(){return this._hash.digest()},module.exports=function(alg){return"md5"===(alg=alg.toLowerCase())?new HashNoConstructor(md5):new Hash("rmd160"===alg||"ripemd160"===alg?new RIPEMD160:sha(alg))}}).call(this,require("buffer").Buffer)},{"./md5":97,buffer:70,"cipher-base":75,inherits:145,ripemd160:194,"sha.js":197}],96:[function(require,module,exports){(function(Buffer){"use strict";var intSize=4,zeroBuffer=new Buffer(intSize);zeroBuffer.fill(0);module.exports=function(buf,fn){var arr=fn(function(buf){if(buf.length%intSize!=0){var len=buf.length+(intSize-buf.length%intSize);buf=Buffer.concat([buf,zeroBuffer],len)}for(var arr=new Array(buf.length>>>2),i=0,j=0;i<buf.length;i+=intSize,j++)arr[j]=buf.readInt32LE(i);return arr}(buf),8*buf.length);buf=new Buffer(16);for(var i=0;i<arr.length;i++)buf.writeInt32LE(arr[i],i<<2,!0);return buf}}).call(this,require("buffer").Buffer)},{buffer:70}],97:[function(require,module,exports){"use strict";var makeHash=require("./make-hash");function core_md5(x,len){x[len>>5]|=128<<len%32,x[14+(len+64>>>9<<4)]=len;for(var a=1732584193,b=-271733879,c=-1732584194,d=271733878,i=0;i<x.length;i+=16){var olda=a,oldb=b,oldc=c,oldd=d;b=md5_ii(b=md5_ii(b=md5_ii(b=md5_ii(b=md5_hh(b=md5_hh(b=md5_hh(b=md5_hh(b=md5_gg(b=md5_gg(b=md5_gg(b=md5_gg(b=md5_ff(b=md5_ff(b=md5_ff(b=md5_ff(b,c=md5_ff(c,d=md5_ff(d,a=md5_ff(a,b,c,d,x[i+0],7,-680876936),b,c,x[i+1],12,-389564586),a,b,x[i+2],17,606105819),d,a,x[i+3],22,-1044525330),c=md5_ff(c,d=md5_ff(d,a=md5_ff(a,b,c,d,x[i+4],7,-176418897),b,c,x[i+5],12,1200080426),a,b,x[i+6],17,-1473231341),d,a,x[i+7],22,-45705983),c=md5_ff(c,d=md5_ff(d,a=md5_ff(a,b,c,d,x[i+8],7,1770035416),b,c,x[i+9],12,-1958414417),a,b,x[i+10],17,-42063),d,a,x[i+11],22,-1990404162),c=md5_ff(c,d=md5_ff(d,a=md5_ff(a,b,c,d,x[i+12],7,1804603682),b,c,x[i+13],12,-40341101),a,b,x[i+14],17,-1502002290),d,a,x[i+15],22,1236535329),c=md5_gg(c,d=md5_gg(d,a=md5_gg(a,b,c,d,x[i+1],5,-165796510),b,c,x[i+6],9,-1069501632),a,b,x[i+11],14,643717713),d,a,x[i+0],20,-373897302),c=md5_gg(c,d=md5_gg(d,a=md5_gg(a,b,c,d,x[i+5],5,-701558691),b,c,x[i+10],9,38016083),a,b,x[i+15],14,-660478335),d,a,x[i+4],20,-405537848),c=md5_gg(c,d=md5_gg(d,a=md5_gg(a,b,c,d,x[i+9],5,568446438),b,c,x[i+14],9,-1019803690),a,b,x[i+3],14,-187363961),d,a,x[i+8],20,1163531501),c=md5_gg(c,d=md5_gg(d,a=md5_gg(a,b,c,d,x[i+13],5,-1444681467),b,c,x[i+2],9,-51403784),a,b,x[i+7],14,1735328473),d,a,x[i+12],20,-1926607734),c=md5_hh(c,d=md5_hh(d,a=md5_hh(a,b,c,d,x[i+5],4,-378558),b,c,x[i+8],11,-2022574463),a,b,x[i+11],16,1839030562),d,a,x[i+14],23,-35309556),c=md5_hh(c,d=md5_hh(d,a=md5_hh(a,b,c,d,x[i+1],4,-1530992060),b,c,x[i+4],11,1272893353),a,b,x[i+7],16,-155497632),d,a,x[i+10],23,-1094730640),c=md5_hh(c,d=md5_hh(d,a=md5_hh(a,b,c,d,x[i+13],4,681279174),b,c,x[i+0],11,-358537222),a,b,x[i+3],16,-722521979),d,a,x[i+6],23,76029189),c=md5_hh(c,d=md5_hh(d,a=md5_hh(a,b,c,d,x[i+9],4,-640364487),b,c,x[i+12],11,-421815835),a,b,x[i+15],16,530742520),d,a,x[i+2],23,-995338651),c=md5_ii(c,d=md5_ii(d,a=md5_ii(a,b,c,d,x[i+0],6,-198630844),b,c,x[i+7],10,1126891415),a,b,x[i+14],15,-1416354905),d,a,x[i+5],21,-57434055),c=md5_ii(c,d=md5_ii(d,a=md5_ii(a,b,c,d,x[i+12],6,1700485571),b,c,x[i+3],10,-1894986606),a,b,x[i+10],15,-1051523),d,a,x[i+1],21,-2054922799),c=md5_ii(c,d=md5_ii(d,a=md5_ii(a,b,c,d,x[i+8],6,1873313359),b,c,x[i+15],10,-30611744),a,b,x[i+6],15,-1560198380),d,a,x[i+13],21,1309151649),c=md5_ii(c,d=md5_ii(d,a=md5_ii(a,b,c,d,x[i+4],6,-145523070),b,c,x[i+11],10,-1120210379),a,b,x[i+2],15,718787259),d,a,x[i+9],21,-343485551),a=safe_add(a,olda),b=safe_add(b,oldb),c=safe_add(c,oldc),d=safe_add(d,oldd)}return[a,b,c,d]}function md5_cmn(q,a,b,x,s,t){return safe_add((num=safe_add(safe_add(a,q),safe_add(x,t)))<<(cnt=s)|num>>>32-cnt,b);var num,cnt}function md5_ff(a,b,c,d,x,s,t){return md5_cmn(b&c|~b&d,a,b,x,s,t)}function md5_gg(a,b,c,d,x,s,t){return md5_cmn(b&d|c&~d,a,b,x,s,t)}function md5_hh(a,b,c,d,x,s,t){return md5_cmn(b^c^d,a,b,x,s,t)}function md5_ii(a,b,c,d,x,s,t){return md5_cmn(c^(b|~d),a,b,x,s,t)}function safe_add(x,y){var lsw=(65535&x)+(65535&y);return(x>>16)+(y>>16)+(lsw>>16)<<16|65535&lsw}module.exports=function(buf){return makeHash(buf,core_md5)}},{"./make-hash":96}],98:[function(require,module,exports){"use strict";var inherits=require("inherits"),Legacy=require("./legacy"),Base=require("cipher-base"),Buffer=require("safe-buffer").Buffer,md5=require("create-hash/md5"),RIPEMD160=require("ripemd160"),sha=require("sha.js"),ZEROS=Buffer.alloc(128);function Hmac(alg,key){Base.call(this,"digest"),"string"==typeof key&&(key=Buffer.from(key));var blocksize="sha512"===alg||"sha384"===alg?128:64;if(this._alg=alg,this._key=key,key.length>blocksize){key=("rmd160"===alg?new RIPEMD160:sha(alg)).update(key).digest()}else key.length<blocksize&&(key=Buffer.concat([key,ZEROS],blocksize));for(var ipad=this._ipad=Buffer.allocUnsafe(blocksize),opad=this._opad=Buffer.allocUnsafe(blocksize),i=0;i<blocksize;i++)ipad[i]=54^key[i],opad[i]=92^key[i];this._hash="rmd160"===alg?new RIPEMD160:sha(alg),this._hash.update(ipad)}inherits(Hmac,Base),Hmac.prototype._update=function(data){this._hash.update(data)},Hmac.prototype._final=function(){var h=this._hash.digest();return("rmd160"===this._alg?new RIPEMD160:sha(this._alg)).update(this._opad).update(h).digest()},module.exports=function(alg,key){return"rmd160"===(alg=alg.toLowerCase())||"ripemd160"===alg?new Hmac("rmd160",key):"md5"===alg?new Legacy(md5,key):new Hmac(alg,key)}},{"./legacy":99,"cipher-base":75,"create-hash/md5":97,inherits:145,ripemd160:194,"safe-buffer":195,"sha.js":197}],99:[function(require,module,exports){"use strict";var inherits=require("inherits"),Buffer=require("safe-buffer").Buffer,Base=require("cipher-base"),ZEROS=Buffer.alloc(128),blocksize=64;function Hmac(alg,key){Base.call(this,"digest"),"string"==typeof key&&(key=Buffer.from(key)),this._alg=alg,this._key=key,key.length>blocksize?key=alg(key):key.length<blocksize&&(key=Buffer.concat([key,ZEROS],blocksize));for(var ipad=this._ipad=Buffer.allocUnsafe(blocksize),opad=this._opad=Buffer.allocUnsafe(blocksize),i=0;i<blocksize;i++)ipad[i]=54^key[i],opad[i]=92^key[i];this._hash=[ipad]}inherits(Hmac,Base),Hmac.prototype._update=function(data){this._hash.push(data)},Hmac.prototype._final=function(){var h=this._alg(Buffer.concat(this._hash));return this._alg(Buffer.concat([this._opad,h]))},module.exports=Hmac},{"cipher-base":75,inherits:145,"safe-buffer":195}],100:[function(require,module,exports){"use strict";exports.randomBytes=exports.rng=exports.pseudoRandomBytes=exports.prng=require("randombytes"),exports.createHash=exports.Hash=require("create-hash"),exports.createHmac=exports.Hmac=require("create-hmac");var algos=require("browserify-sign/algos"),algoKeys=Object.keys(algos),hashes=["sha1","sha224","sha256","sha384","sha512","md5","rmd160"].concat(algoKeys);exports.getHashes=function(){return hashes};var p=require("pbkdf2");exports.pbkdf2=p.pbkdf2,exports.pbkdf2Sync=p.pbkdf2Sync;var aes=require("browserify-cipher");exports.Cipher=aes.Cipher,exports.createCipher=aes.createCipher,exports.Cipheriv=aes.Cipheriv,exports.createCipheriv=aes.createCipheriv,exports.Decipher=aes.Decipher,exports.createDecipher=aes.createDecipher,exports.Decipheriv=aes.Decipheriv,exports.createDecipheriv=aes.createDecipheriv,exports.getCiphers=aes.getCiphers,exports.listCiphers=aes.listCiphers;var dh=require("diffie-hellman");exports.DiffieHellmanGroup=dh.DiffieHellmanGroup,exports.createDiffieHellmanGroup=dh.createDiffieHellmanGroup,exports.getDiffieHellman=dh.getDiffieHellman,exports.createDiffieHellman=dh.createDiffieHellman,exports.DiffieHellman=dh.DiffieHellman;var sign=require("browserify-sign");exports.createSign=sign.createSign,exports.Sign=sign.Sign,exports.createVerify=sign.createVerify,exports.Verify=sign.Verify,exports.createECDH=require("create-ecdh");var publicEncrypt=require("public-encrypt");exports.publicEncrypt=publicEncrypt.publicEncrypt,exports.privateEncrypt=publicEncrypt.privateEncrypt,exports.publicDecrypt=publicEncrypt.publicDecrypt,exports.privateDecrypt=publicEncrypt.privateDecrypt;var rf=require("randomfill");exports.randomFill=rf.randomFill,exports.randomFillSync=rf.randomFillSync,exports.createCredentials=function(){throw new Error(["sorry, createCredentials is not implemented yet","we accept pull requests","https://github.com/crypto-browserify/crypto-browserify"].join("\n"))},exports.constants={DH_CHECK_P_NOT_SAFE_PRIME:2,DH_CHECK_P_NOT_PRIME:1,DH_UNABLE_TO_CHECK_GENERATOR:4,DH_NOT_SUITABLE_GENERATOR:8,NPN_ENABLED:1,ALPN_ENABLED:1,RSA_PKCS1_PADDING:1,RSA_SSLV23_PADDING:2,RSA_NO_PADDING:3,RSA_PKCS1_OAEP_PADDING:4,RSA_X931_PADDING:5,RSA_PKCS1_PSS_PADDING:6,POINT_CONVERSION_COMPRESSED:2,POINT_CONVERSION_UNCOMPRESSED:4,POINT_CONVERSION_HYBRID:6}},{"browserify-cipher":39,"browserify-sign":47,"browserify-sign/algos":44,"create-ecdh":77,"create-hash":95,"create-hmac":98,"diffie-hellman":107,pbkdf2:160,"public-encrypt":167,randombytes:178,randomfill:179}],101:[function(require,module,exports){"use strict";exports.utils=require("./des/utils"),exports.Cipher=require("./des/cipher"),exports.DES=require("./des/des"),exports.CBC=require("./des/cbc"),exports.EDE=require("./des/ede")},{"./des/cbc":102,"./des/cipher":103,"./des/des":104,"./des/ede":105,"./des/utils":106}],102:[function(require,module,exports){"use strict";var assert=require("minimalistic-assert"),inherits=require("inherits"),proto={};exports.instantiate=function(Base){function CBC(options){Base.call(this,options),this._cbcInit()}inherits(CBC,Base);for(var keys=Object.keys(proto),i=0;i<keys.length;i++){var key=keys[i];CBC.prototype[key]=proto[key]}return CBC.create=function(options){return new CBC(options)},CBC},proto._cbcInit=function(){var state=new function(iv){assert.equal(iv.length,8,"Invalid IV length"),this.iv=new Array(8);for(var i=0;i<this.iv.length;i++)this.iv[i]=iv[i]}(this.options.iv);this._cbcState=state},proto._update=function(inp,inOff,out,outOff){var state=this._cbcState,superProto=this.constructor.super_.prototype,iv=state.iv;if("encrypt"===this.type){for(var i=0;i<this.blockSize;i++)iv[i]^=inp[inOff+i];superProto._update.call(this,iv,0,out,outOff);for(i=0;i<this.blockSize;i++)iv[i]=out[outOff+i]}else{superProto._update.call(this,inp,inOff,out,outOff);for(i=0;i<this.blockSize;i++)out[outOff+i]^=iv[i];for(i=0;i<this.blockSize;i++)iv[i]=inp[inOff+i]}}},{inherits:145,"minimalistic-assert":153}],103:[function(require,module,exports){"use strict";var assert=require("minimalistic-assert");function Cipher(options){this.options=options,this.type=this.options.type,this.blockSize=8,this._init(),this.buffer=new Array(this.blockSize),this.bufferOff=0}module.exports=Cipher,Cipher.prototype._init=function(){},Cipher.prototype.update=function(data){return 0===data.length?[]:"decrypt"===this.type?this._updateDecrypt(data):this._updateEncrypt(data)},Cipher.prototype._buffer=function(data,off){for(var min=Math.min(this.buffer.length-this.bufferOff,data.length-off),i=0;i<min;i++)this.buffer[this.bufferOff+i]=data[off+i];return this.bufferOff+=min,min},Cipher.prototype._flushBuffer=function(out,off){return this._update(this.buffer,0,out,off),this.bufferOff=0,this.blockSize},Cipher.prototype._updateEncrypt=function(data){var inputOff=0,outputOff=0,count=(this.bufferOff+data.length)/this.blockSize|0,out=new Array(count*this.blockSize);0!==this.bufferOff&&(inputOff+=this._buffer(data,inputOff),this.bufferOff===this.buffer.length&&(outputOff+=this._flushBuffer(out,outputOff)));for(var max=data.length-(data.length-inputOff)%this.blockSize;inputOff<max;inputOff+=this.blockSize)this._update(data,inputOff,out,outputOff),outputOff+=this.blockSize;for(;inputOff<data.length;inputOff++,this.bufferOff++)this.buffer[this.bufferOff]=data[inputOff];return out},Cipher.prototype._updateDecrypt=function(data){for(var inputOff=0,outputOff=0,count=Math.ceil((this.bufferOff+data.length)/this.blockSize)-1,out=new Array(count*this.blockSize);count>0;count--)inputOff+=this._buffer(data,inputOff),outputOff+=this._flushBuffer(out,outputOff);return inputOff+=this._buffer(data,inputOff),out},Cipher.prototype.final=function(buffer){var first;buffer&&(first=this.update(buffer));var last;return last="encrypt"===this.type?this._finalEncrypt():this._finalDecrypt(),first?first.concat(last):last},Cipher.prototype._pad=function(buffer,off){if(0===off)return!1;for(;off<buffer.length;)buffer[off++]=0;return!0},Cipher.prototype._finalEncrypt=function(){if(!this._pad(this.buffer,this.bufferOff))return[];var out=new Array(this.blockSize);return this._update(this.buffer,0,out,0),out},Cipher.prototype._unpad=function(buffer){return buffer},Cipher.prototype._finalDecrypt=function(){assert.equal(this.bufferOff,this.blockSize,"Not enough data to decrypt");var out=new Array(this.blockSize);return this._flushBuffer(out,0),this._unpad(out)}},{"minimalistic-assert":153}],104:[function(require,module,exports){"use strict";var assert=require("minimalistic-assert"),inherits=require("inherits"),des=require("../des"),utils=des.utils,Cipher=des.Cipher;function DES(options){Cipher.call(this,options);var state=new function(){this.tmp=new Array(2),this.keys=null};this._desState=state,this.deriveKeys(state,options.key)}inherits(DES,Cipher),module.exports=DES,DES.create=function(options){return new DES(options)};var shiftTable=[1,1,2,2,2,2,2,2,1,2,2,2,2,2,2,1];DES.prototype.deriveKeys=function(state,key){state.keys=new Array(32),assert.equal(key.length,this.blockSize,"Invalid key length");var kL=utils.readUInt32BE(key,0),kR=utils.readUInt32BE(key,4);utils.pc1(kL,kR,state.tmp,0),kL=state.tmp[0],kR=state.tmp[1];for(var i=0;i<state.keys.length;i+=2){var shift=shiftTable[i>>>1];kL=utils.r28shl(kL,shift),kR=utils.r28shl(kR,shift),utils.pc2(kL,kR,state.keys,i)}},DES.prototype._update=function(inp,inOff,out,outOff){var state=this._desState,l=utils.readUInt32BE(inp,inOff),r=utils.readUInt32BE(inp,inOff+4);utils.ip(l,r,state.tmp,0),l=state.tmp[0],r=state.tmp[1],"encrypt"===this.type?this._encrypt(state,l,r,state.tmp,0):this._decrypt(state,l,r,state.tmp,0),l=state.tmp[0],r=state.tmp[1],utils.writeUInt32BE(out,l,outOff),utils.writeUInt32BE(out,r,outOff+4)},DES.prototype._pad=function(buffer,off){for(var value=buffer.length-off,i=off;i<buffer.length;i++)buffer[i]=value;return!0},DES.prototype._unpad=function(buffer){for(var pad=buffer[buffer.length-1],i=buffer.length-pad;i<buffer.length;i++)assert.equal(buffer[i],pad);return buffer.slice(0,buffer.length-pad)},DES.prototype._encrypt=function(state,lStart,rStart,out,off){for(var l=lStart,r=rStart,i=0;i<state.keys.length;i+=2){var keyL=state.keys[i],keyR=state.keys[i+1];utils.expand(r,state.tmp,0),keyL^=state.tmp[0],keyR^=state.tmp[1];var s=utils.substitute(keyL,keyR),t=r;r=(l^utils.permute(s))>>>0,l=t}utils.rip(r,l,out,off)},DES.prototype._decrypt=function(state,lStart,rStart,out,off){for(var l=rStart,r=lStart,i=state.keys.length-2;i>=0;i-=2){var keyL=state.keys[i],keyR=state.keys[i+1];utils.expand(l,state.tmp,0),keyL^=state.tmp[0],keyR^=state.tmp[1];var s=utils.substitute(keyL,keyR),t=l;l=(r^utils.permute(s))>>>0,r=t}utils.rip(l,r,out,off)}},{"../des":101,inherits:145,"minimalistic-assert":153}],105:[function(require,module,exports){"use strict";var assert=require("minimalistic-assert"),inherits=require("inherits"),des=require("../des"),Cipher=des.Cipher,DES=des.DES;function EDE(options){Cipher.call(this,options);var state=new function(type,key){assert.equal(key.length,24,"Invalid key length");var k1=key.slice(0,8),k2=key.slice(8,16),k3=key.slice(16,24);this.ciphers="encrypt"===type?[DES.create({type:"encrypt",key:k1}),DES.create({type:"decrypt",key:k2}),DES.create({type:"encrypt",key:k3})]:[DES.create({type:"decrypt",key:k3}),DES.create({type:"encrypt",key:k2}),DES.create({type:"decrypt",key:k1})]}(this.type,this.options.key);this._edeState=state}inherits(EDE,Cipher),module.exports=EDE,EDE.create=function(options){return new EDE(options)},EDE.prototype._update=function(inp,inOff,out,outOff){var state=this._edeState;state.ciphers[0]._update(inp,inOff,out,outOff),state.ciphers[1]._update(out,outOff,out,outOff),state.ciphers[2]._update(out,outOff,out,outOff)},EDE.prototype._pad=DES.prototype._pad,EDE.prototype._unpad=DES.prototype._unpad},{"../des":101,inherits:145,"minimalistic-assert":153}],106:[function(require,module,exports){"use strict";exports.readUInt32BE=function(bytes,off){return(bytes[0+off]<<24|bytes[1+off]<<16|bytes[2+off]<<8|bytes[3+off])>>>0},exports.writeUInt32BE=function(bytes,value,off){bytes[0+off]=value>>>24,bytes[1+off]=value>>>16&255,bytes[2+off]=value>>>8&255,bytes[3+off]=255&value},exports.ip=function(inL,inR,out,off){for(var outL=0,outR=0,i=6;i>=0;i-=2){for(var j=0;j<=24;j+=8)outL<<=1,outL|=inR>>>j+i&1;for(j=0;j<=24;j+=8)outL<<=1,outL|=inL>>>j+i&1}for(i=6;i>=0;i-=2){for(j=1;j<=25;j+=8)outR<<=1,outR|=inR>>>j+i&1;for(j=1;j<=25;j+=8)outR<<=1,outR|=inL>>>j+i&1}out[off+0]=outL>>>0,out[off+1]=outR>>>0},exports.rip=function(inL,inR,out,off){for(var outL=0,outR=0,i=0;i<4;i++)for(var j=24;j>=0;j-=8)outL<<=1,outL|=inR>>>j+i&1,outL<<=1,outL|=inL>>>j+i&1;for(i=4;i<8;i++)for(j=24;j>=0;j-=8)outR<<=1,outR|=inR>>>j+i&1,outR<<=1,outR|=inL>>>j+i&1;out[off+0]=outL>>>0,out[off+1]=outR>>>0},exports.pc1=function(inL,inR,out,off){for(var outL=0,outR=0,i=7;i>=5;i--){for(var j=0;j<=24;j+=8)outL<<=1,outL|=inR>>j+i&1;for(j=0;j<=24;j+=8)outL<<=1,outL|=inL>>j+i&1}for(j=0;j<=24;j+=8)outL<<=1,outL|=inR>>j+i&1;for(i=1;i<=3;i++){for(j=0;j<=24;j+=8)outR<<=1,outR|=inR>>j+i&1;for(j=0;j<=24;j+=8)outR<<=1,outR|=inL>>j+i&1}for(j=0;j<=24;j+=8)outR<<=1,outR|=inL>>j+i&1;out[off+0]=outL>>>0,out[off+1]=outR>>>0},exports.r28shl=function(num,shift){return num<<shift&268435455|num>>>28-shift};var pc2table=[14,11,17,4,27,23,25,0,13,22,7,18,5,9,16,24,2,20,12,21,1,8,15,26,15,4,25,19,9,1,26,16,5,11,23,8,12,7,17,0,22,3,10,14,6,20,27,24];exports.pc2=function(inL,inR,out,off){for(var outL=0,outR=0,len=pc2table.length>>>1,i=0;i<len;i++)outL<<=1,outL|=inL>>>pc2table[i]&1;for(i=len;i<pc2table.length;i++)outR<<=1,outR|=inR>>>pc2table[i]&1;out[off+0]=outL>>>0,out[off+1]=outR>>>0},exports.expand=function(r,out,off){var outL=0,outR=0;outL=(1&r)<<5|r>>>27;for(var i=23;i>=15;i-=4)outL<<=6,outL|=r>>>i&63;for(i=11;i>=3;i-=4)outR|=r>>>i&63,outR<<=6;outR|=(31&r)<<1|r>>>31,out[off+0]=outL>>>0,out[off+1]=outR>>>0};var sTable=[14,0,4,15,13,7,1,4,2,14,15,2,11,13,8,1,3,10,10,6,6,12,12,11,5,9,9,5,0,3,7,8,4,15,1,12,14,8,8,2,13,4,6,9,2,1,11,7,15,5,12,11,9,3,7,14,3,10,10,0,5,6,0,13,15,3,1,13,8,4,14,7,6,15,11,2,3,8,4,14,9,12,7,0,2,1,13,10,12,6,0,9,5,11,10,5,0,13,14,8,7,10,11,1,10,3,4,15,13,4,1,2,5,11,8,6,12,7,6,12,9,0,3,5,2,14,15,9,10,13,0,7,9,0,14,9,6,3,3,4,15,6,5,10,1,2,13,8,12,5,7,14,11,12,4,11,2,15,8,1,13,1,6,10,4,13,9,0,8,6,15,9,3,8,0,7,11,4,1,15,2,14,12,3,5,11,10,5,14,2,7,12,7,13,13,8,14,11,3,5,0,6,6,15,9,0,10,3,1,4,2,7,8,2,5,12,11,1,12,10,4,14,15,9,10,3,6,15,9,0,0,6,12,10,11,1,7,13,13,8,15,9,1,4,3,5,14,11,5,12,2,7,8,2,4,14,2,14,12,11,4,2,1,12,7,4,10,7,11,13,6,1,8,5,5,0,3,15,15,10,13,3,0,9,14,8,9,6,4,11,2,8,1,12,11,7,10,1,13,14,7,2,8,13,15,6,9,15,12,0,5,9,6,10,3,4,0,5,14,3,12,10,1,15,10,4,15,2,9,7,2,12,6,9,8,5,0,6,13,1,3,13,4,14,14,0,7,11,5,3,11,8,9,4,14,3,15,2,5,12,2,9,8,5,12,15,3,10,7,11,0,14,4,1,10,7,1,6,13,0,11,8,6,13,4,13,11,0,2,11,14,7,15,4,0,9,8,1,13,10,3,14,12,3,9,5,7,12,5,2,10,15,6,8,1,6,1,6,4,11,11,13,13,8,12,1,3,4,7,10,14,7,10,9,15,5,6,0,8,15,0,14,5,2,9,3,2,12,13,1,2,15,8,13,4,8,6,10,15,3,11,7,1,4,10,12,9,5,3,6,14,11,5,0,0,14,12,9,7,2,7,2,11,1,4,14,1,7,9,4,12,10,14,8,2,13,0,15,6,12,10,9,13,0,15,3,3,5,5,6,8,11];exports.substitute=function(inL,inR){for(var out=0,i=0;i<4;i++){out<<=4,out|=sTable[64*i+(inL>>>18-6*i&63)]}for(i=0;i<4;i++){out<<=4,out|=sTable[256+64*i+(inR>>>18-6*i&63)]}return out>>>0};var permuteTable=[16,25,12,11,3,20,4,15,31,17,9,6,27,14,1,22,30,24,8,18,0,5,29,23,13,19,2,26,10,21,28,7];exports.permute=function(num){for(var out=0,i=0;i<permuteTable.length;i++)out<<=1,out|=num>>>permuteTable[i]&1;return out>>>0},exports.padSplit=function(num,size,group){for(var str=num.toString(2);str.length<size;)str="0"+str;for(var out=[],i=0;i<size;i+=group)out.push(str.slice(i,i+group));return out.join(" ")}},{}],107:[function(require,module,exports){(function(Buffer){var generatePrime=require("./lib/generatePrime"),primes=require("./lib/primes.json"),DH=require("./lib/dh");var ENCODINGS={binary:!0,hex:!0,base64:!0};exports.DiffieHellmanGroup=exports.createDiffieHellmanGroup=exports.getDiffieHellman=function(mod){var prime=new Buffer(primes[mod].prime,"hex"),gen=new Buffer(primes[mod].gen,"hex");return new DH(prime,gen)},exports.createDiffieHellman=exports.DiffieHellman=function createDiffieHellman(prime,enc,generator,genc){return Buffer.isBuffer(enc)||void 0===ENCODINGS[enc]?createDiffieHellman(prime,"binary",enc,generator):(enc=enc||"binary",genc=genc||"binary",generator=generator||new Buffer([2]),Buffer.isBuffer(generator)||(generator=new Buffer(generator,genc)),"number"==typeof prime?new DH(generatePrime(prime,generator),generator,!0):(Buffer.isBuffer(prime)||(prime=new Buffer(prime,enc)),new DH(prime,generator,!0)))}}).call(this,require("buffer").Buffer)},{"./lib/dh":108,"./lib/generatePrime":109,"./lib/primes.json":110,buffer:70}],108:[function(require,module,exports){(function(Buffer){var BN=require("bn.js"),millerRabin=new(require("miller-rabin")),TWENTYFOUR=new BN(24),ELEVEN=new BN(11),TEN=new BN(10),THREE=new BN(3),SEVEN=new BN(7),primes=require("./generatePrime"),randomBytes=require("randombytes");module.exports=DH;function setPublicKey(pub,enc){return enc=enc||"utf8",Buffer.isBuffer(pub)||(pub=new Buffer(pub,enc)),this._pub=new BN(pub),this}function setPrivateKey(priv,enc){return enc=enc||"utf8",Buffer.isBuffer(priv)||(priv=new Buffer(priv,enc)),this._priv=new BN(priv),this}var primeCache={};function DH(prime,generator,malleable){this.setGenerator(generator),this.__prime=new BN(prime),this._prime=BN.mont(this.__prime),this._primeLen=prime.length,this._pub=void 0,this._priv=void 0,this._primeCode=void 0,malleable?(this.setPublicKey=setPublicKey,this.setPrivateKey=setPrivateKey):this._primeCode=8}Object.defineProperty(DH.prototype,"verifyError",{enumerable:!0,get:function(){return"number"!=typeof this._primeCode&&(this._primeCode=function(prime,generator){var gen=generator.toString("hex"),hex=[gen,prime.toString(16)].join("_");if(hex in primeCache)return primeCache[hex];var error=0;if(prime.isEven()||!primes.simpleSieve||!primes.fermatTest(prime)||!millerRabin.test(prime))return error+=1,error+="02"===gen||"05"===gen?8:4,primeCache[hex]=error,error;millerRabin.test(prime.shrn(1))||(error+=2);var rem;switch(gen){case"02":prime.mod(TWENTYFOUR).cmp(ELEVEN)&&(error+=8);break;case"05":(rem=prime.mod(TEN)).cmp(THREE)&&rem.cmp(SEVEN)&&(error+=8);break;default:error+=4}return primeCache[hex]=error,error}(this.__prime,this.__gen)),this._primeCode}}),DH.prototype.generateKeys=function(){return this._priv||(this._priv=new BN(randomBytes(this._primeLen))),this._pub=this._gen.toRed(this._prime).redPow(this._priv).fromRed(),this.getPublicKey()},DH.prototype.computeSecret=function(other){var secret=(other=(other=new BN(other)).toRed(this._prime)).redPow(this._priv).fromRed(),out=new Buffer(secret.toArray()),prime=this.getPrime();if(out.length<prime.length){var front=new Buffer(prime.length-out.length);front.fill(0),out=Buffer.concat([front,out])}return out},DH.prototype.getPublicKey=function(enc){return formatReturnValue(this._pub,enc)},DH.prototype.getPrivateKey=function(enc){return formatReturnValue(this._priv,enc)},DH.prototype.getPrime=function(enc){return formatReturnValue(this.__prime,enc)},DH.prototype.getGenerator=function(enc){return formatReturnValue(this._gen,enc)},DH.prototype.setGenerator=function(gen,enc){return enc=enc||"utf8",Buffer.isBuffer(gen)||(gen=new Buffer(gen,enc)),this.__gen=gen,this._gen=new BN(gen),this};function formatReturnValue(bn,enc){var buf=new Buffer(bn.toArray());return enc?buf.toString(enc):buf}}).call(this,require("buffer").Buffer)},{"./generatePrime":109,"bn.js":111,buffer:70,"miller-rabin":151,randombytes:178}],109:[function(require,module,exports){var randomBytes=require("randombytes");module.exports=findPrime,findPrime.simpleSieve=simpleSieve,findPrime.fermatTest=fermatTest;var BN=require("bn.js"),TWENTYFOUR=new BN(24),millerRabin=new(require("miller-rabin")),ONE=new BN(1),TWO=new BN(2),FIVE=new BN(5),TEN=(new BN(16),new BN(8),new BN(10)),THREE=new BN(3),ELEVEN=(new BN(7),new BN(11)),FOUR=new BN(4),primes=(new BN(12),null);function _getPrimes(){if(null!==primes)return primes;var res=[];res[0]=2;for(var i=1,k=3;k<1048576;k+=2){for(var sqrt=Math.ceil(Math.sqrt(k)),j=0;j<i&&res[j]<=sqrt&&k%res[j]!=0;j++);i!==j&&res[j]<=sqrt||(res[i++]=k)}return primes=res,res}function simpleSieve(p){for(var primes=_getPrimes(),i=0;i<primes.length;i++)if(0===p.modn(primes[i]))return 0===p.cmpn(primes[i]);return!0}function fermatTest(p){var red=BN.mont(p);return 0===TWO.toRed(red).redPow(p.subn(1)).fromRed().cmpn(1)}function findPrime(bits,gen){if(bits<16)return new BN(2===gen||5===gen?[140,123]:[140,39]);gen=new BN(gen);for(var num,n2;;){for(num=new BN(randomBytes(Math.ceil(bits/8)));num.bitLength()>bits;)num.ishrn(1);if(num.isEven()&&num.iadd(ONE),num.testn(1)||num.iadd(TWO),gen.cmp(TWO)){if(!gen.cmp(FIVE))for(;num.mod(TEN).cmp(THREE);)num.iadd(FOUR)}else for(;num.mod(TWENTYFOUR).cmp(ELEVEN);)num.iadd(FOUR);if(simpleSieve(n2=num.shrn(1))&&simpleSieve(num)&&fermatTest(n2)&&fermatTest(num)&&millerRabin.test(n2)&&millerRabin.test(num))return num}}},{"bn.js":111,"miller-rabin":151,randombytes:178}],110:[function(require,module,exports){module.exports={modp1:{gen:"02",prime:"ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a63a3620ffffffffffffffff"},modp2:{gen:"02",prime:"ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a637ed6b0bff5cb6f406b7edee386bfb5a899fa5ae9f24117c4b1fe649286651ece65381ffffffffffffffff"},modp5:{gen:"02",prime:"ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a637ed6b0bff5cb6f406b7edee386bfb5a899fa5ae9f24117c4b1fe649286651ece45b3dc2007cb8a163bf0598da48361c55d39a69163fa8fd24cf5f83655d23dca3ad961c62f356208552bb9ed529077096966d670c354e4abc9804f1746c08ca237327ffffffffffffffff"},modp14:{gen:"02",prime:"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"},modp15:{gen:"02",prime:"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"},modp16:{gen:"02",prime:"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"},modp17:{gen:"02",prime:"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"},modp18:{gen:"02",prime:"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"}}},{}],111:[function(require,module,exports){arguments[4][15][0].apply(exports,arguments)},{buffer:21,dup:15}],112:[function(require,module,exports){"use strict";var elliptic=exports;elliptic.version=require("../package.json").version,elliptic.utils=require("./elliptic/utils"),elliptic.rand=require("brorand"),elliptic.hmacDRBG=require("./elliptic/hmac-drbg"),elliptic.curve=require("./elliptic/curve"),elliptic.curves=require("./elliptic/curves"),elliptic.ec=require("./elliptic/ec")},{"../package.json":125,"./elliptic/curve":115,"./elliptic/curves":118,"./elliptic/ec":119,"./elliptic/hmac-drbg":122,"./elliptic/utils":124,brorand:20}],113:[function(require,module,exports){"use strict";var bn=require("bn.js"),elliptic=require("../../elliptic"),getNAF=elliptic.utils.getNAF,getJSF=elliptic.utils.getJSF,assert=elliptic.utils.assert;function BaseCurve(type,conf){this.type=type,this.p=new bn(conf.p,16),this.red=conf.prime?bn.red(conf.prime):bn.mont(this.p),this.zero=new bn(0).toRed(this.red),this.one=new bn(1).toRed(this.red),this.two=new bn(2).toRed(this.red),this.n=conf.n&&new bn(conf.n,16),this.g=conf.g&&this.pointFromJSON(conf.g,conf.gRed),this._wnafT1=new Array(4),this._wnafT2=new Array(4),this._wnafT3=new Array(4),this._wnafT4=new Array(4)}module.exports=BaseCurve,BaseCurve.prototype.point=function(){throw new Error("Not implemented")},BaseCurve.prototype.validate=function(){throw new Error("Not implemented")},BaseCurve.prototype._fixedNafMul=function(p,k){var doubles=p._getDoubles(),naf=getNAF(k,1),I=(1<<doubles.step+1)-(doubles.step%2==0?2:1);I/=3;for(var repr=[],j=0;j<naf.length;j+=doubles.step){var nafW=0;for(k=j+doubles.step-1;k>=j;k--)nafW=(nafW<<1)+naf[k];repr.push(nafW)}for(var a=this.jpoint(null,null,null),b=this.jpoint(null,null,null),i=I;i>0;i--){for(j=0;j<repr.length;j++){(nafW=repr[j])===i?b=b.mixedAdd(doubles.points[j]):nafW===-i&&(b=b.mixedAdd(doubles.points[j].neg()))}a=a.add(b)}return a.toP()},BaseCurve.prototype._wnafMul=function(p,k){var w=4,nafPoints=p._getNAFPoints(w);w=nafPoints.wnd;for(var wnd=nafPoints.points,naf=getNAF(k,w),acc=this.jpoint(null,null,null),i=naf.length-1;i>=0;i--){for(k=0;i>=0&&0===naf[i];i--)k++;if(i>=0&&k++,acc=acc.dblp(k),i<0)break;var z=naf[i];assert(0!==z),acc="affine"===p.type?z>0?acc.mixedAdd(wnd[z-1>>1]):acc.mixedAdd(wnd[-z-1>>1].neg()):z>0?acc.add(wnd[z-1>>1]):acc.add(wnd[-z-1>>1].neg())}return"affine"===p.type?acc.toP():acc},BaseCurve.prototype._wnafMulAdd=function(defW,points,coeffs,len){for(var wndWidth=this._wnafT1,wnd=this._wnafT2,naf=this._wnafT3,max=0,i=0;i<len;i++){var nafPoints=(p=points[i])._getNAFPoints(defW);wndWidth[i]=nafPoints.wnd,wnd[i]=nafPoints.points}for(i=len-1;i>=1;i-=2){var a=i-1,b=i;if(1===wndWidth[a]&&1===wndWidth[b]){var comb=[points[a],null,null,points[b]];0===points[a].y.cmp(points[b].y)?(comb[1]=points[a].add(points[b]),comb[2]=points[a].toJ().mixedAdd(points[b].neg())):0===points[a].y.cmp(points[b].y.redNeg())?(comb[1]=points[a].toJ().mixedAdd(points[b]),comb[2]=points[a].add(points[b].neg())):(comb[1]=points[a].toJ().mixedAdd(points[b]),comb[2]=points[a].toJ().mixedAdd(points[b].neg()));var index=[-3,-1,-5,-7,0,7,5,1,3],jsf=getJSF(coeffs[a],coeffs[b]);max=Math.max(jsf[0].length,max),naf[a]=new Array(max),naf[b]=new Array(max);for(var j=0;j<max;j++){var ja=0|jsf[0][j],jb=0|jsf[1][j];naf[a][j]=index[3*(ja+1)+(jb+1)],naf[b][j]=0,wnd[a]=comb}}else naf[a]=getNAF(coeffs[a],wndWidth[a]),naf[b]=getNAF(coeffs[b],wndWidth[b]),max=Math.max(naf[a].length,max),max=Math.max(naf[b].length,max)}var acc=this.jpoint(null,null,null),tmp=this._wnafT4;for(i=max;i>=0;i--){for(var k=0;i>=0;){var zero=!0;for(j=0;j<len;j++)tmp[j]=0|naf[j][i],0!==tmp[j]&&(zero=!1);if(!zero)break;k++,i--}if(i>=0&&k++,acc=acc.dblp(k),i<0)break;for(j=0;j<len;j++){var p,z=tmp[j];0!==z&&(z>0?p=wnd[j][z-1>>1]:z<0&&(p=wnd[j][-z-1>>1].neg()),acc="affine"===p.type?acc.mixedAdd(p):acc.add(p))}}for(i=0;i<len;i++)wnd[i]=null;return acc.toP()};function BasePoint(curve,type){this.curve=curve,this.type=type,this.precomputed=null}BaseCurve.BasePoint=BasePoint,BasePoint.prototype.validate=function(){return this.curve.validate(this)},BasePoint.prototype.precompute=function(power){if(this.precomputed)return this;var precomputed={doubles:null,naf:null,beta:null};return precomputed.naf=this._getNAFPoints(8),precomputed.doubles=this._getDoubles(4,power),precomputed.beta=this._getBeta(),this.precomputed=precomputed,this},BasePoint.prototype._getDoubles=function(step,power){if(this.precomputed&&this.precomputed.doubles)return this.precomputed.doubles;for(var doubles=[this],acc=this,i=0;i<power;i+=step){for(var j=0;j<step;j++)acc=acc.dbl();doubles.push(acc)}return{step:step,points:doubles}},BasePoint.prototype._getNAFPoints=function(wnd){if(this.precomputed&&this.precomputed.naf)return this.precomputed.naf;for(var res=[this],max=(1<<wnd)-1,dbl=1===max?null:this.dbl(),i=1;i<max;i++)res[i]=res[i-1].add(dbl);return{wnd:wnd,points:res}},BasePoint.prototype._getBeta=function(){return null},BasePoint.prototype.dblp=function(k){for(var r=this,i=0;i<k;i++)r=r.dbl();return r}},{"../../elliptic":112,"bn.js":19}],114:[function(require,module,exports){"use strict";var curve=require("../curve"),elliptic=require("../../elliptic"),bn=require("bn.js"),inherits=require("inherits"),Base=curve.base,assert=elliptic.utils.assert;function EdwardsCurve(conf){this.twisted=1!=(0|conf.a),this.mOneA=this.twisted&&-1==(0|conf.a),this.extended=this.mOneA,Base.call(this,"edwards",conf),this.a=new bn(conf.a,16).mod(this.red.m).toRed(this.red),this.c=new bn(conf.c,16).toRed(this.red),this.c2=this.c.redSqr(),this.d=new bn(conf.d,16).toRed(this.red),this.dd=this.d.redAdd(this.d),assert(!this.twisted||0===this.c.fromRed().cmpn(1)),this.oneC=1==(0|conf.c)}inherits(EdwardsCurve,Base),module.exports=EdwardsCurve,EdwardsCurve.prototype._mulA=function(num){return this.mOneA?num.redNeg():this.a.redMul(num)},EdwardsCurve.prototype._mulC=function(num){return this.oneC?num:this.c.redMul(num)},EdwardsCurve.prototype.jpoint=function(x,y,z,t){return this.point(x,y,z,t)},EdwardsCurve.prototype.pointFromX=function(odd,x){(x=new bn(x,16)).red||(x=x.toRed(this.red));var x2=x.redSqr(),rhs=this.c2.redSub(this.a.redMul(x2)),lhs=this.one.redSub(this.c2.redMul(this.d).redMul(x2)),y=rhs.redMul(lhs.redInvm()).redSqrt(),isOdd=y.fromRed().isOdd();return(odd&&!isOdd||!odd&&isOdd)&&(y=y.redNeg()),this.point(x,y,curve.one)},EdwardsCurve.prototype.validate=function(point){if(point.isInfinity())return!0;point.normalize();var x2=point.x.redSqr(),y2=point.y.redSqr(),lhs=x2.redMul(this.a).redAdd(y2),rhs=this.c2.redMul(this.one.redAdd(this.d.redMul(x2).redMul(y2)));return 0===lhs.cmp(rhs)};function Point(curve,x,y,z,t){Base.BasePoint.call(this,curve,"projective"),null===x&&null===y&&null===z?(this.x=this.curve.zero,this.y=this.curve.one,this.z=this.curve.one,this.t=this.curve.zero,this.zOne=!0):(this.x=new bn(x,16),this.y=new bn(y,16),this.z=z?new bn(z,16):this.curve.one,this.t=t&&new bn(t,16),this.x.red||(this.x=this.x.toRed(this.curve.red)),this.y.red||(this.y=this.y.toRed(this.curve.red)),this.z.red||(this.z=this.z.toRed(this.curve.red)),this.t&&!this.t.red&&(this.t=this.t.toRed(this.curve.red)),this.zOne=this.z===this.curve.one,this.curve.extended&&!this.t&&(this.t=this.x.redMul(this.y),this.zOne||(this.t=this.t.redMul(this.z.redInvm()))))}inherits(Point,Base.BasePoint),EdwardsCurve.prototype.pointFromJSON=function(obj){return Point.fromJSON(this,obj)},EdwardsCurve.prototype.point=function(x,y,z,t){return new Point(this,x,y,z,t)},Point.fromJSON=function(curve,obj){return new Point(curve,obj[0],obj[1],obj[2])},Point.prototype.inspect=function(){return this.isInfinity()?"<EC Point Infinity>":"<EC Point x: "+this.x.fromRed().toString(16,2)+" y: "+this.y.fromRed().toString(16,2)+" z: "+this.z.fromRed().toString(16,2)+">"},Point.prototype.isInfinity=function(){return 0===this.x.cmpn(0)&&0===this.y.cmp(this.z)},Point.prototype._extDbl=function(){var a=this.x.redSqr(),b=this.y.redSqr(),c=this.z.redSqr();c=c.redIAdd(c);var d=this.curve._mulA(a),e=this.x.redAdd(this.y).redSqr().redISub(a).redISub(b),g=d.redAdd(b),f=g.redSub(c),h=d.redSub(b),nx=e.redMul(f),ny=g.redMul(h),nt=e.redMul(h),nz=f.redMul(g);return this.curve.point(nx,ny,nz,nt)},Point.prototype._projDbl=function(){var nx,ny,nz,b=this.x.redAdd(this.y).redSqr(),c=this.x.redSqr(),d=this.y.redSqr();if(this.curve.twisted){var f=(e=this.curve._mulA(c)).redAdd(d);if(this.zOne)nx=b.redSub(c).redSub(d).redMul(f.redSub(this.curve.two)),ny=f.redMul(e.redSub(d)),nz=f.redSqr().redSub(f).redSub(f);else{var h=this.z.redSqr(),j=f.redSub(h).redISub(h);nx=b.redSub(c).redISub(d).redMul(j),ny=f.redMul(e.redSub(d)),nz=f.redMul(j)}}else{var e=c.redAdd(d);h=this.curve._mulC(this.c.redMul(this.z)).redSqr(),j=e.redSub(h).redSub(h);nx=this.curve._mulC(b.redISub(e)).redMul(j),ny=this.curve._mulC(e).redMul(c.redISub(d)),nz=e.redMul(j)}return this.curve.point(nx,ny,nz)},Point.prototype.dbl=function(){return this.isInfinity()?this:this.curve.extended?this._extDbl():this._projDbl()},Point.prototype._extAdd=function(p){var a=this.y.redSub(this.x).redMul(p.y.redSub(p.x)),b=this.y.redAdd(this.x).redMul(p.y.redAdd(p.x)),c=this.t.redMul(this.curve.dd).redMul(p.t),d=this.z.redMul(p.z.redAdd(p.z)),e=b.redSub(a),f=d.redSub(c),g=d.redAdd(c),h=b.redAdd(a),nx=e.redMul(f),ny=g.redMul(h),nt=e.redMul(h),nz=f.redMul(g);return this.curve.point(nx,ny,nz,nt)},Point.prototype._projAdd=function(p){var ny,nz,a=this.z.redMul(p.z),b=a.redSqr(),c=this.x.redMul(p.x),d=this.y.redMul(p.y),e=this.curve.d.redMul(c).redMul(d),f=b.redSub(e),g=b.redAdd(e),tmp=this.x.redAdd(this.y).redMul(p.x.redAdd(p.y)).redISub(c).redISub(d),nx=a.redMul(f).redMul(tmp);return this.curve.twisted?(ny=a.redMul(g).redMul(d.redSub(this.curve._mulA(c))),nz=f.redMul(g)):(ny=a.redMul(g).redMul(d.redSub(c)),nz=this.curve._mulC(f).redMul(g)),this.curve.point(nx,ny,nz)},Point.prototype.add=function(p){return this.isInfinity()?p:p.isInfinity()?this:this.curve.extended?this._extAdd(p):this._projAdd(p)},Point.prototype.mul=function(k){return this.precomputed&&this.precomputed.doubles?this.curve._fixedNafMul(this,k):this.curve._wnafMul(this,k)},Point.prototype.mulAdd=function(k1,p,k2){return this.curve._wnafMulAdd(1,[this,p],[k1,k2],2)},Point.prototype.normalize=function(){if(this.zOne)return this;var zi=this.z.redInvm();return this.x=this.x.redMul(zi),this.y=this.y.redMul(zi),this.t&&(this.t=this.t.redMul(zi)),this.z=this.curve.one,this.zOne=!0,this},Point.prototype.neg=function(){return this.curve.point(this.x.redNeg(),this.y,this.z,this.t&&this.t.redNeg())},Point.prototype.getX=function(){return this.normalize(),this.x.fromRed()},Point.prototype.getY=function(){return this.normalize(),this.y.fromRed()},Point.prototype.toP=Point.prototype.normalize,Point.prototype.mixedAdd=Point.prototype.add},{"../../elliptic":112,"../curve":115,"bn.js":19,inherits:145}],115:[function(require,module,exports){arguments[4][54][0].apply(exports,arguments)},{"./base":113,"./edwards":114,"./mont":116,"./short":117,dup:54}],116:[function(require,module,exports){"use strict";var curve=require("../curve"),bn=require("bn.js"),inherits=require("inherits"),Base=curve.base;function MontCurve(conf){Base.call(this,"mont",conf),this.a=new bn(conf.a,16).toRed(this.red),this.b=new bn(conf.b,16).toRed(this.red),this.i4=new bn(4).toRed(this.red).redInvm(),this.two=new bn(2).toRed(this.red),this.a24=this.i4.redMul(this.a.redAdd(this.two))}inherits(MontCurve,Base),module.exports=MontCurve,MontCurve.prototype.validate=function(point){var x=point.normalize().x,x2=x.redSqr(),rhs=x2.redMul(x).redAdd(x2.redMul(this.a)).redAdd(x);return 0===rhs.redSqrt().redSqr().cmp(rhs)};function Point(curve,x,z){Base.BasePoint.call(this,curve,"projective"),null===x&&null===z?(this.x=this.curve.one,this.z=this.curve.zero):(this.x=new bn(x,16),this.z=new bn(z,16),this.x.red||(this.x=this.x.toRed(this.curve.red)),this.z.red||(this.z=this.z.toRed(this.curve.red)))}inherits(Point,Base.BasePoint),MontCurve.prototype.point=function(x,z){return new Point(this,x,z)},MontCurve.prototype.pointFromJSON=function(obj){return Point.fromJSON(this,obj)},Point.prototype.precompute=function(){},Point.fromJSON=function(curve,obj){return new Point(curve,obj[0],obj[1]||curve.one)},Point.prototype.inspect=function(){return this.isInfinity()?"<EC Point Infinity>":"<EC Point x: "+this.x.fromRed().toString(16,2)+" z: "+this.z.fromRed().toString(16,2)+">"},Point.prototype.isInfinity=function(){return 0===this.z.cmpn(0)},Point.prototype.dbl=function(){var aa=this.x.redAdd(this.z).redSqr(),bb=this.x.redSub(this.z).redSqr(),c=aa.redSub(bb),nx=aa.redMul(bb),nz=c.redMul(bb.redAdd(this.curve.a24.redMul(c)));return this.curve.point(nx,nz)},Point.prototype.add=function(){throw new Error("Not supported on Montgomery curve")},Point.prototype.diffAdd=function(p,diff){var a=this.x.redAdd(this.z),b=this.x.redSub(this.z),c=p.x.redAdd(p.z),da=p.x.redSub(p.z).redMul(a),cb=c.redMul(b),nx=diff.z.redMul(da.redAdd(cb).redSqr()),nz=diff.x.redMul(da.redISub(cb).redSqr());return this.curve.point(nx,nz)},Point.prototype.mul=function(k){for(var t=k.clone(),a=this,b=this.curve.point(null,null),bits=[];0!==t.cmpn(0);t.ishrn(1))bits.push(t.andln(1));for(var i=bits.length-1;i>=0;i--)0===bits[i]?(a=a.diffAdd(b,this),b=b.dbl()):(b=a.diffAdd(b,this),a=a.dbl());return b},Point.prototype.mulAdd=function(){throw new Error("Not supported on Montgomery curve")},Point.prototype.normalize=function(){return this.x=this.x.redMul(this.z.redInvm()),this.z=this.curve.one,this},Point.prototype.getX=function(){return this.normalize(),this.x.fromRed()}},{"../curve":115,"bn.js":19,inherits:145}],117:[function(require,module,exports){"use strict";var curve=require("../curve"),elliptic=require("../../elliptic"),bn=require("bn.js"),inherits=require("inherits"),Base=curve.base,assert=elliptic.utils.assert;function ShortCurve(conf){Base.call(this,"short",conf),this.a=new bn(conf.a,16).toRed(this.red),this.b=new bn(conf.b,16).toRed(this.red),this.tinv=this.two.redInvm(),this.zeroA=0===this.a.fromRed().cmpn(0),this.threeA=0===this.a.fromRed().sub(this.p).cmpn(-3),this.endo=this._getEndomorphism(conf),this._endoWnafT1=new Array(4),this._endoWnafT2=new Array(4)}inherits(ShortCurve,Base),module.exports=ShortCurve,ShortCurve.prototype._getEndomorphism=function(conf){if(this.zeroA&&this.g&&this.n&&1===this.p.modn(3)){var beta,lambda;if(conf.beta)beta=new bn(conf.beta,16).toRed(this.red);else{var betas=this._getEndoRoots(this.p);beta=(beta=betas[0].cmp(betas[1])<0?betas[0]:betas[1]).toRed(this.red)}if(conf.lambda)lambda=new bn(conf.lambda,16);else{var lambdas=this._getEndoRoots(this.n);0===this.g.mul(lambdas[0]).x.cmp(this.g.x.redMul(beta))?lambda=lambdas[0]:(lambda=lambdas[1],assert(0===this.g.mul(lambda).x.cmp(this.g.x.redMul(beta))))}return{beta:beta,lambda:lambda,basis:conf.basis?conf.basis.map(function(vec){return{a:new bn(vec.a,16),b:new bn(vec.b,16)}}):this._getEndoBasis(lambda)}}},ShortCurve.prototype._getEndoRoots=function(num){var red=num===this.p?this.red:bn.mont(num),tinv=new bn(2).toRed(red).redInvm(),ntinv=tinv.redNeg(),s=new bn(3).toRed(red).redNeg().redSqrt().redMul(tinv);return[ntinv.redAdd(s).fromRed(),ntinv.redSub(s).fromRed()]},ShortCurve.prototype._getEndoBasis=function(lambda){for(var a0,b0,a1,b1,a2,b2,prevR,r,x,aprxSqrt=this.n.shrn(Math.floor(this.n.bitLength()/2)),u=lambda,v=this.n.clone(),x1=new bn(1),y1=new bn(0),x2=new bn(0),y2=new bn(1),i=0;0!==u.cmpn(0);){var q=v.div(u);r=v.sub(q.mul(u)),x=x2.sub(q.mul(x1));var y=y2.sub(q.mul(y1));if(!a1&&r.cmp(aprxSqrt)<0)a0=prevR.neg(),b0=x1,a1=r.neg(),b1=x;else if(a1&&2==++i)break;prevR=r,v=u,u=r,x2=x1,x1=x,y2=y1,y1=y}a2=r.neg(),b2=x;var len1=a1.sqr().add(b1.sqr());return a2.sqr().add(b2.sqr()).cmp(len1)>=0&&(a2=a0,b2=b0),a1.sign&&(a1=a1.neg(),b1=b1.neg()),a2.sign&&(a2=a2.neg(),b2=b2.neg()),[{a:a1,b:b1},{a:a2,b:b2}]},ShortCurve.prototype._endoSplit=function(k){var basis=this.endo.basis,v1=basis[0],v2=basis[1],c1=v2.b.mul(k).divRound(this.n),c2=v1.b.neg().mul(k).divRound(this.n),p1=c1.mul(v1.a),p2=c2.mul(v2.a),q1=c1.mul(v1.b),q2=c2.mul(v2.b);return{k1:k.sub(p1).sub(p2),k2:q1.add(q2).neg()}},ShortCurve.prototype.pointFromX=function(odd,x){(x=new bn(x,16)).red||(x=x.toRed(this.red));var y=x.redSqr().redMul(x).redIAdd(x.redMul(this.a)).redIAdd(this.b).redSqrt(),isOdd=y.fromRed().isOdd();return(odd&&!isOdd||!odd&&isOdd)&&(y=y.redNeg()),this.point(x,y)},ShortCurve.prototype.validate=function(point){if(point.inf)return!0;var x=point.x,y=point.y,ax=this.a.redMul(x),rhs=x.redSqr().redMul(x).redIAdd(ax).redIAdd(this.b);return 0===y.redSqr().redISub(rhs).cmpn(0)},ShortCurve.prototype._endoWnafMulAdd=function(points,coeffs){for(var npoints=this._endoWnafT1,ncoeffs=this._endoWnafT2,i=0;i<points.length;i++){var split=this._endoSplit(coeffs[i]),p=points[i],beta=p._getBeta();split.k1.sign&&(split.k1.sign=!split.k1.sign,p=p.neg(!0)),split.k2.sign&&(split.k2.sign=!split.k2.sign,beta=beta.neg(!0)),npoints[2*i]=p,npoints[2*i+1]=beta,ncoeffs[2*i]=split.k1,ncoeffs[2*i+1]=split.k2}for(var res=this._wnafMulAdd(1,npoints,ncoeffs,2*i),j=0;j<2*i;j++)npoints[j]=null,ncoeffs[j]=null;return res};function Point(curve,x,y,isRed){Base.BasePoint.call(this,curve,"affine"),null===x&&null===y?(this.x=null,this.y=null,this.inf=!0):(this.x=new bn(x,16),this.y=new bn(y,16),isRed&&(this.x.forceRed(this.curve.red),this.y.forceRed(this.curve.red)),this.x.red||(this.x=this.x.toRed(this.curve.red)),this.y.red||(this.y=this.y.toRed(this.curve.red)),this.inf=!1)}inherits(Point,Base.BasePoint),ShortCurve.prototype.point=function(x,y,isRed){return new Point(this,x,y,isRed)},ShortCurve.prototype.pointFromJSON=function(obj,red){return Point.fromJSON(this,obj,red)},Point.prototype._getBeta=function(){if(this.curve.endo){var pre=this.precomputed;if(pre&&pre.beta)return pre.beta;var beta=this.curve.point(this.x.redMul(this.curve.endo.beta),this.y);if(pre){var curve=this.curve,endoMul=function(p){return curve.point(p.x.redMul(curve.endo.beta),p.y)};pre.beta=beta,beta.precomputed={beta:null,naf:pre.naf&&{wnd:pre.naf.wnd,points:pre.naf.points.map(endoMul)},doubles:pre.doubles&&{step:pre.doubles.step,points:pre.doubles.points.map(endoMul)}}}return beta}},Point.prototype.toJSON=function(){return this.precomputed?[this.x,this.y,this.precomputed&&{doubles:this.precomputed.doubles&&{step:this.precomputed.doubles.step,points:this.precomputed.doubles.points.slice(1)},naf:this.precomputed.naf&&{wnd:this.precomputed.naf.wnd,points:this.precomputed.naf.points.slice(1)}}]:[this.x,this.y]},Point.fromJSON=function(curve,obj,red){"string"==typeof obj&&(obj=JSON.parse(obj));var res=curve.point(obj[0],obj[1],red);if(!obj[2])return res;function obj2point(obj){return curve.point(obj[0],obj[1],red)}var pre=obj[2];return res.precomputed={beta:null,doubles:pre.doubles&&{step:pre.doubles.step,points:[res].concat(pre.doubles.points.map(obj2point))},naf:pre.naf&&{wnd:pre.naf.wnd,points:[res].concat(pre.naf.points.map(obj2point))}},res},Point.prototype.inspect=function(){return this.isInfinity()?"<EC Point Infinity>":"<EC Point x: "+this.x.fromRed().toString(16,2)+" y: "+this.y.fromRed().toString(16,2)+">"},Point.prototype.isInfinity=function(){return this.inf},Point.prototype.add=function(p){if(this.inf)return p;if(p.inf)return this;if(this.eq(p))return this.dbl();if(this.neg().eq(p))return this.curve.point(null,null);if(0===this.x.cmp(p.x))return this.curve.point(null,null);var c=this.y.redSub(p.y);0!==c.cmpn(0)&&(c=c.redMul(this.x.redSub(p.x).redInvm()));var nx=c.redSqr().redISub(this.x).redISub(p.x),ny=c.redMul(this.x.redSub(nx)).redISub(this.y);return this.curve.point(nx,ny)},Point.prototype.dbl=function(){if(this.inf)return this;var ys1=this.y.redAdd(this.y);if(0===ys1.cmpn(0))return this.curve.point(null,null);var a=this.curve.a,x2=this.x.redSqr(),dyinv=ys1.redInvm(),c=x2.redAdd(x2).redIAdd(x2).redIAdd(a).redMul(dyinv),nx=c.redSqr().redISub(this.x.redAdd(this.x)),ny=c.redMul(this.x.redSub(nx)).redISub(this.y);return this.curve.point(nx,ny)},Point.prototype.getX=function(){return this.x.fromRed()},Point.prototype.getY=function(){return this.y.fromRed()},Point.prototype.mul=function(k){return k=new bn(k,16),this.precomputed&&this.precomputed.doubles?this.curve._fixedNafMul(this,k):this.curve.endo?this.curve._endoWnafMulAdd([this],[k]):this.curve._wnafMul(this,k)},Point.prototype.mulAdd=function(k1,p2,k2){var points=[this,p2],coeffs=[k1,k2];return this.curve.endo?this.curve._endoWnafMulAdd(points,coeffs):this.curve._wnafMulAdd(1,points,coeffs,2)},Point.prototype.eq=function(p){return this===p||this.inf===p.inf&&(this.inf||0===this.x.cmp(p.x)&&0===this.y.cmp(p.y))},Point.prototype.neg=function(_precompute){if(this.inf)return this;var res=this.curve.point(this.x,this.y.redNeg());if(_precompute&&this.precomputed){var pre=this.precomputed,negate=function(p){return p.neg()};res.precomputed={naf:pre.naf&&{wnd:pre.naf.wnd,points:pre.naf.points.map(negate)},doubles:pre.doubles&&{step:pre.doubles.step,points:pre.doubles.points.map(negate)}}}return res},Point.prototype.toJ=function(){if(this.inf)return this.curve.jpoint(null,null,null);return this.curve.jpoint(this.x,this.y,this.curve.one)};function JPoint(curve,x,y,z){Base.BasePoint.call(this,curve,"jacobian"),null===x&&null===y&&null===z?(this.x=this.curve.one,this.y=this.curve.one,this.z=new bn(0)):(this.x=new bn(x,16),this.y=new bn(y,16),this.z=new bn(z,16)),this.x.red||(this.x=this.x.toRed(this.curve.red)),this.y.red||(this.y=this.y.toRed(this.curve.red)),this.z.red||(this.z=this.z.toRed(this.curve.red)),this.zOne=this.z===this.curve.one}inherits(JPoint,Base.BasePoint),ShortCurve.prototype.jpoint=function(x,y,z){return new JPoint(this,x,y,z)},JPoint.prototype.toP=function(){if(this.isInfinity())return this.curve.point(null,null);var zinv=this.z.redInvm(),zinv2=zinv.redSqr(),ax=this.x.redMul(zinv2),ay=this.y.redMul(zinv2).redMul(zinv);return this.curve.point(ax,ay)},JPoint.prototype.neg=function(){return this.curve.jpoint(this.x,this.y.redNeg(),this.z)},JPoint.prototype.add=function(p){if(this.isInfinity())return p;if(p.isInfinity())return this;var pz2=p.z.redSqr(),z2=this.z.redSqr(),u1=this.x.redMul(pz2),u2=p.x.redMul(z2),s1=this.y.redMul(pz2.redMul(p.z)),s2=p.y.redMul(z2.redMul(this.z)),h=u1.redSub(u2),r=s1.redSub(s2);if(0===h.cmpn(0))return 0!==r.cmpn(0)?this.curve.jpoint(null,null,null):this.dbl();var h2=h.redSqr(),h3=h2.redMul(h),v=u1.redMul(h2),nx=r.redSqr().redIAdd(h3).redISub(v).redISub(v),ny=r.redMul(v.redISub(nx)).redISub(s1.redMul(h3)),nz=this.z.redMul(p.z).redMul(h);return this.curve.jpoint(nx,ny,nz)},JPoint.prototype.mixedAdd=function(p){if(this.isInfinity())return p.toJ();if(p.isInfinity())return this;var z2=this.z.redSqr(),u1=this.x,u2=p.x.redMul(z2),s1=this.y,s2=p.y.redMul(z2).redMul(this.z),h=u1.redSub(u2),r=s1.redSub(s2);if(0===h.cmpn(0))return 0!==r.cmpn(0)?this.curve.jpoint(null,null,null):this.dbl();var h2=h.redSqr(),h3=h2.redMul(h),v=u1.redMul(h2),nx=r.redSqr().redIAdd(h3).redISub(v).redISub(v),ny=r.redMul(v.redISub(nx)).redISub(s1.redMul(h3)),nz=this.z.redMul(h);return this.curve.jpoint(nx,ny,nz)},JPoint.prototype.dblp=function(pow){if(0===pow)return this;if(this.isInfinity())return this;if(!pow)return this.dbl();if(this.curve.zeroA||this.curve.threeA){for(var r=this,i=0;i<pow;i++)r=r.dbl();return r}var a=this.curve.a,tinv=this.curve.tinv,jx=this.x,jy=this.y,jz=this.z,jz4=jz.redSqr().redSqr(),jyd=jy.redAdd(jy);for(i=0;i<pow;i++){var jx2=jx.redSqr(),jyd2=jyd.redSqr(),jyd4=jyd2.redSqr(),c=jx2.redAdd(jx2).redIAdd(jx2).redIAdd(a.redMul(jz4)),t1=jx.redMul(jyd2),nx=c.redSqr().redISub(t1.redAdd(t1)),t2=t1.redISub(nx),dny=c.redMul(t2);dny=dny.redIAdd(dny).redISub(jyd4);var nz=jyd.redMul(jz);i+1<pow&&(jz4=jz4.redMul(jyd4)),jx=nx,jz=nz,jyd=dny}return this.curve.jpoint(jx,jyd.redMul(tinv),jz)},JPoint.prototype.dbl=function(){return this.isInfinity()?this:this.curve.zeroA?this._zeroDbl():this.curve.threeA?this._threeDbl():this._dbl()},JPoint.prototype._zeroDbl=function(){var nx,ny,nz;if(this.zOne){var xx=this.x.redSqr(),yy=this.y.redSqr(),yyyy=yy.redSqr(),s=this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);s=s.redIAdd(s);var m=xx.redAdd(xx).redIAdd(xx),t=m.redSqr().redISub(s).redISub(s),yyyy8=yyyy.redIAdd(yyyy);yyyy8=(yyyy8=yyyy8.redIAdd(yyyy8)).redIAdd(yyyy8),nx=t,ny=m.redMul(s.redISub(t)).redISub(yyyy8),nz=this.y.redAdd(this.y)}else{var a=this.x.redSqr(),b=this.y.redSqr(),c=b.redSqr(),d=this.x.redAdd(b).redSqr().redISub(a).redISub(c);d=d.redIAdd(d);var e=a.redAdd(a).redIAdd(a),f=e.redSqr(),c8=c.redIAdd(c);c8=(c8=c8.redIAdd(c8)).redIAdd(c8),nx=f.redISub(d).redISub(d),ny=e.redMul(d.redISub(nx)).redISub(c8),nz=(nz=this.y.redMul(this.z)).redIAdd(nz)}return this.curve.jpoint(nx,ny,nz)},JPoint.prototype._threeDbl=function(){var nx,ny,nz;if(this.zOne){var xx=this.x.redSqr(),yy=this.y.redSqr(),yyyy=yy.redSqr(),s=this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);s=s.redIAdd(s);var m=xx.redAdd(xx).redIAdd(xx).redIAdd(this.curve.a),t=m.redSqr().redISub(s).redISub(s);nx=t;var yyyy8=yyyy.redIAdd(yyyy);yyyy8=(yyyy8=yyyy8.redIAdd(yyyy8)).redIAdd(yyyy8),ny=m.redMul(s.redISub(t)).redISub(yyyy8),nz=this.y.redAdd(this.y)}else{var delta=this.z.redSqr(),gamma=this.y.redSqr(),beta=this.x.redMul(gamma),alpha=this.x.redSub(delta).redMul(this.x.redAdd(delta));alpha=alpha.redAdd(alpha).redIAdd(alpha);var beta4=beta.redIAdd(beta),beta8=(beta4=beta4.redIAdd(beta4)).redAdd(beta4);nx=alpha.redSqr().redISub(beta8),nz=this.y.redAdd(this.z).redSqr().redISub(gamma).redISub(delta);var ggamma8=gamma.redSqr();ggamma8=(ggamma8=(ggamma8=ggamma8.redIAdd(ggamma8)).redIAdd(ggamma8)).redIAdd(ggamma8),ny=alpha.redMul(beta4.redISub(nx)).redISub(ggamma8)}return this.curve.jpoint(nx,ny,nz)},JPoint.prototype._dbl=function(){var a=this.curve.a,jx=this.x,jy=this.y,jz=this.z,jz4=jz.redSqr().redSqr(),jx2=jx.redSqr(),jy2=jy.redSqr(),c=jx2.redAdd(jx2).redIAdd(jx2).redIAdd(a.redMul(jz4)),jxd4=jx.redAdd(jx),t1=(jxd4=jxd4.redIAdd(jxd4)).redMul(jy2),nx=c.redSqr().redISub(t1.redAdd(t1)),t2=t1.redISub(nx),jyd8=jy2.redSqr();jyd8=(jyd8=(jyd8=jyd8.redIAdd(jyd8)).redIAdd(jyd8)).redIAdd(jyd8);var ny=c.redMul(t2).redISub(jyd8),nz=jy.redAdd(jy).redMul(jz);return this.curve.jpoint(nx,ny,nz)},JPoint.prototype.trpl=function(){if(!this.curve.zeroA)return this.dbl().add(this);var xx=this.x.redSqr(),yy=this.y.redSqr(),zz=this.z.redSqr(),yyyy=yy.redSqr(),m=xx.redAdd(xx).redIAdd(xx),mm=m.redSqr(),e=this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy),ee=(e=(e=(e=e.redIAdd(e)).redAdd(e).redIAdd(e)).redISub(mm)).redSqr(),t=yyyy.redIAdd(yyyy);t=(t=(t=t.redIAdd(t)).redIAdd(t)).redIAdd(t);var u=m.redIAdd(e).redSqr().redISub(mm).redISub(ee).redISub(t),yyu4=yy.redMul(u);yyu4=(yyu4=yyu4.redIAdd(yyu4)).redIAdd(yyu4);var nx=this.x.redMul(ee).redISub(yyu4);nx=(nx=nx.redIAdd(nx)).redIAdd(nx);var ny=this.y.redMul(u.redMul(t.redISub(u)).redISub(e.redMul(ee)));ny=(ny=(ny=ny.redIAdd(ny)).redIAdd(ny)).redIAdd(ny);var nz=this.z.redAdd(e).redSqr().redISub(zz).redISub(ee);return this.curve.jpoint(nx,ny,nz)},JPoint.prototype.mul=function(k,kbase){return k=new bn(k,kbase),this.curve._wnafMul(this,k)},JPoint.prototype.eq=function(p){if("affine"===p.type)return this.eq(p.toJ());if(this===p)return!0;var z2=this.z.redSqr(),pz2=p.z.redSqr();if(0!==this.x.redMul(pz2).redISub(p.x.redMul(z2)).cmpn(0))return!1;var z3=z2.redMul(this.z),pz3=pz2.redMul(p.z);return 0===this.y.redMul(pz3).redISub(p.y.redMul(z3)).cmpn(0)},JPoint.prototype.inspect=function(){return this.isInfinity()?"<EC JPoint Infinity>":"<EC JPoint x: "+this.x.toString(16,2)+" y: "+this.y.toString(16,2)+" z: "+this.z.toString(16,2)+">"},JPoint.prototype.isInfinity=function(){return 0===this.z.cmpn(0)}},{"../../elliptic":112,"../curve":115,"bn.js":19,inherits:145}],118:[function(require,module,exports){"use strict";var curves=exports,hash=require("hash.js"),elliptic=require("../elliptic"),assert=elliptic.utils.assert;function PresetCurve(options){"short"===options.type?this.curve=new elliptic.curve.short(options):"edwards"===options.type?this.curve=new elliptic.curve.edwards(options):this.curve=new elliptic.curve.mont(options),this.g=this.curve.g,this.n=this.curve.n,this.hash=options.hash,assert(this.g.validate(),"Invalid curve"),assert(this.g.mul(this.n).isInfinity(),"Invalid curve, G*N != O")}curves.PresetCurve=PresetCurve;function defineCurve(name,options){Object.defineProperty(curves,name,{configurable:!0,enumerable:!0,get:function(){var curve=new PresetCurve(options);return Object.defineProperty(curves,name,{configurable:!0,enumerable:!0,value:curve}),curve}})}defineCurve("p192",{type:"short",prime:"p192",p:"ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff",a:"ffffffff ffffffff ffffffff fffffffe ffffffff fffffffc",b:"64210519 e59c80e7 0fa7e9ab 72243049 feb8deec c146b9b1",n:"ffffffff ffffffff ffffffff 99def836 146bc9b1 b4d22831",hash:hash.sha256,gRed:!1,g:["188da80e b03090f6 7cbf20eb 43a18800 f4ff0afd 82ff1012","07192b95 ffc8da78 631011ed 6b24cdd5 73f977a1 1e794811"]}),defineCurve("p224",{type:"short",prime:"p224",p:"ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001",a:"ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff fffffffe",b:"b4050a85 0c04b3ab f5413256 5044b0b7 d7bfd8ba 270b3943 2355ffb4",n:"ffffffff ffffffff ffffffff ffff16a2 e0b8f03e 13dd2945 5c5c2a3d",hash:hash.sha256,gRed:!1,g:["b70e0cbd 6bb4bf7f 321390b9 4a03c1d3 56c21122 343280d6 115c1d21","bd376388 b5f723fb 4c22dfe6 cd4375a0 5a074764 44d58199 85007e34"]}),defineCurve("p256",{type:"short",prime:null,p:"ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff ffffffff",a:"ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff fffffffc",b:"5ac635d8 aa3a93e7 b3ebbd55 769886bc 651d06b0 cc53b0f6 3bce3c3e 27d2604b",n:"ffffffff 00000000 ffffffff ffffffff bce6faad a7179e84 f3b9cac2 fc632551",hash:hash.sha256,gRed:!1,g:["6b17d1f2 e12c4247 f8bce6e5 63a440f2 77037d81 2deb33a0 f4a13945 d898c296","4fe342e2 fe1a7f9b 8ee7eb4a 7c0f9e16 2bce3357 6b315ece cbb64068 37bf51f5"]}),defineCurve("curve25519",{type:"mont",prime:"p25519",p:"7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed",a:"76d06",b:"0",n:"1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed",hash:hash.sha256,gRed:!1,g:["9"]}),defineCurve("ed25519",{type:"edwards",prime:"p25519",p:"7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed",a:"-1",c:"1",d:"52036cee2b6ffe73 8cc740797779e898 00700a4d4141d8ab 75eb4dca135978a3",n:"1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed",hash:hash.sha256,gRed:!1,g:["216936d3cd6e53fec0a4e231fdd6dc5c692cc7609525a7b2c9562d608f25d51a","6666666666666666666666666666666666666666666666666666666666666658"]});var pre;try{pre=require("./precomputed/secp256k1")}catch(e){pre=void 0}defineCurve("secp256k1",{type:"short",prime:"k256",p:"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f",a:"0",b:"7",n:"ffffffff ffffffff ffffffff fffffffe baaedce6 af48a03b bfd25e8c d0364141",h:"1",hash:hash.sha256,beta:"7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee",lambda:"5363ad4cc05c30e0a5261c028812645a122e22ea20816678df02967c1b23bd72",basis:[{a:"3086d221a7d46bcde86c90e49284eb15",b:"-e4437ed6010e88286f547fa90abfe4c3"},{a:"114ca50f7a8e2f3f657c1108d9d44cfd8",b:"3086d221a7d46bcde86c90e49284eb15"}],gRed:!1,g:["79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798","483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8",pre]})},{"../elliptic":112,"./precomputed/secp256k1":123,"hash.js":129}],119:[function(require,module,exports){"use strict";var bn=require("bn.js"),elliptic=require("../../elliptic"),assert=elliptic.utils.assert,KeyPair=require("./key"),Signature=require("./signature");function EC(options){if(!(this instanceof EC))return new EC(options);"string"==typeof options&&(assert(elliptic.curves.hasOwnProperty(options),"Unknown curve "+options),options=elliptic.curves[options]),options instanceof elliptic.curves.PresetCurve&&(options={curve:options}),this.curve=options.curve.curve,this.n=this.curve.n,this.nh=this.n.shrn(1),this.g=this.curve.g,this.g=options.curve.g,this.g.precompute(options.curve.n.bitLength()+1),this.hash=options.hash||options.curve.hash}module.exports=EC,EC.prototype.keyPair=function(options){return new KeyPair(this,options)},EC.prototype.keyFromPrivate=function(priv,enc){return KeyPair.fromPrivate(this,priv,enc)},EC.prototype.keyFromPublic=function(pub,enc){return KeyPair.fromPublic(this,pub,enc)},EC.prototype.genKeyPair=function(options){options||(options={});for(var drbg=new elliptic.hmacDRBG({hash:this.hash,pers:options.pers,entropy:options.entropy||elliptic.rand(this.hash.hmacStrength),nonce:this.n.toArray()}),bytes=this.n.byteLength(),ns2=this.n.sub(new bn(2));;){var priv=new bn(drbg.generate(bytes));if(!(priv.cmp(ns2)>0))return priv.iaddn(1),this.keyFromPrivate(priv)}},EC.prototype._truncateToN=function(msg,truncOnly){var delta=8*msg.byteLength()-this.n.bitLength();return delta>0&&(msg=msg.shrn(delta)),!truncOnly&&msg.cmp(this.n)>=0?msg.sub(this.n):msg},EC.prototype.sign=function(msg,key,enc,options){"object"==typeof enc&&(options=enc,enc=null),options||(options={}),key=this.keyFromPrivate(key,enc),msg=this._truncateToN(new bn(msg,16));for(var bytes=this.n.byteLength(),bkey=key.getPrivate().toArray(),i=bkey.length;i<21;i++)bkey.unshift(0);var nonce=msg.toArray();for(i=nonce.length;i<bytes;i++)nonce.unshift(0);for(var drbg=new elliptic.hmacDRBG({hash:this.hash,entropy:bkey,nonce:nonce}),ns1=this.n.sub(new bn(1));;){var k=new bn(drbg.generate(this.n.byteLength()));if(!((k=this._truncateToN(k,!0)).cmpn(1)<=0||k.cmp(ns1)>=0)){var kp=this.g.mul(k);if(!kp.isInfinity()){var r=kp.getX().mod(this.n);if(0!==r.cmpn(0)){var s=k.invm(this.n).mul(r.mul(key.getPrivate()).iadd(msg)).mod(this.n);if(0!==s.cmpn(0))return options.canonical&&s.cmp(this.nh)>0&&(s=this.n.sub(s)),new Signature({r:r,s:s})}}}}},EC.prototype.verify=function(msg,signature,key,enc){msg=this._truncateToN(new bn(msg,16)),key=this.keyFromPublic(key,enc);var r=(signature=new Signature(signature,"hex")).r,s=signature.s;if(r.cmpn(1)<0||r.cmp(this.n)>=0)return!1;if(s.cmpn(1)<0||s.cmp(this.n)>=0)return!1;var sinv=s.invm(this.n),u1=sinv.mul(msg).mod(this.n),u2=sinv.mul(r).mod(this.n),p=this.g.mulAdd(u1,key.getPublic(),u2);return!p.isInfinity()&&0===p.getX().mod(this.n).cmp(r)}},{"../../elliptic":112,"./key":120,"./signature":121,"bn.js":19}],120:[function(require,module,exports){"use strict";var bn=require("bn.js"),utils=require("../../elliptic").utils;function KeyPair(ec,options){this.ec=ec,this.priv=null,this.pub=null,options.priv&&this._importPrivate(options.priv,options.privEnc),options.pub&&this._importPublic(options.pub,options.pubEnc)}module.exports=KeyPair,KeyPair.fromPublic=function(ec,pub,enc){return pub instanceof KeyPair?pub:new KeyPair(ec,{pub:pub,pubEnc:enc})},KeyPair.fromPrivate=function(ec,priv,enc){return priv instanceof KeyPair?priv:new KeyPair(ec,{priv:priv,privEnc:enc})},KeyPair.prototype.validate=function(){var pub=this.getPublic();return pub.isInfinity()?{result:!1,reason:"Invalid public key"}:pub.validate()?pub.mul(this.ec.curve.n).isInfinity()?{result:!0,reason:null}:{result:!1,reason:"Public key * N != O"}:{result:!1,reason:"Public key is not a point"}},KeyPair.prototype.getPublic=function(compact,enc){if(this.pub||(this.pub=this.ec.g.mul(this.priv)),"string"==typeof compact&&(enc=compact,compact=null),!enc)return this.pub;for(var len=this.ec.curve.p.byteLength(),x=this.pub.getX().toArray(),i=x.length;i<len;i++)x.unshift(0);if("mont"!==this.ec.curve.type)if(compact)res=[this.pub.getY().isEven()?2:3].concat(x);else{var y=this.pub.getY().toArray();for(i=y.length;i<len;i++)y.unshift(0);var res=[4].concat(x,y)}else res=x;return utils.encode(res,enc)},KeyPair.prototype.getPrivate=function(enc){return"hex"===enc?this.priv.toString(16,2):this.priv},KeyPair.prototype._importPrivate=function(key,enc){this.priv=new bn(key,enc||16),this.priv=this.priv.mod(this.ec.curve.n)},KeyPair.prototype._importPublic=function(key,enc){if(!key.x&&!key.y)return key=utils.toArray(key,enc),"mont"!==this.ec.curve.type?this._importPublicShort(key):this._importPublicMont(key);this.pub=this.ec.curve.point(key.x,key.y)},KeyPair.prototype._importPublicShort=function(key){var len=this.ec.curve.p.byteLength();4===key[0]&&key.length-1==2*len?this.pub=this.ec.curve.point(key.slice(1,1+len),key.slice(1+len,1+2*len)):2!==key[0]&&3!==key[0]||key.length-1!==len||(this.pub=this.ec.curve.pointFromX(3===key[0],key.slice(1,1+len)))},KeyPair.prototype._importPublicMont=function(key){this.pub=this.ec.curve.point(key,1)},KeyPair.prototype.derive=function(pub){return pub.mul(this.priv).getX()},KeyPair.prototype.sign=function(msg){return this.ec.sign(msg,this)},KeyPair.prototype.verify=function(msg,signature){return this.ec.verify(msg,signature,this)},KeyPair.prototype.inspect=function(){return"<Key priv: "+(this.priv&&this.priv.toString(16,2))+" pub: "+(this.pub&&this.pub.inspect())+" >"}},{"../../elliptic":112,"bn.js":19}],121:[function(require,module,exports){"use strict";var bn=require("bn.js"),utils=require("../../elliptic").utils,assert=utils.assert;function Signature(options,enc){if(options instanceof Signature)return options;this._importDER(options,enc)||(assert(options.r&&options.s,"Signature without r or s"),this.r=new bn(options.r,16),this.s=new bn(options.s,16))}module.exports=Signature,Signature.prototype._importDER=function(data,enc){if((data=utils.toArray(data,enc)).length<6||48!==data[0]||2!==data[2])return!1;if(1+data[1]>data.length)return!1;var rlen=data[3];if(rlen>=128)return!1;if(4+rlen+2>=data.length)return!1;if(2!==data[4+rlen])return!1;var slen=data[5+rlen];return!(slen>=128)&&(!(4+rlen+2+slen>data.length)&&(this.r=new bn(data.slice(4,4+rlen)),this.s=new bn(data.slice(4+rlen+2,4+rlen+2+slen)),!0))},Signature.prototype.toDER=function(enc){var r=this.r.toArray(),s=this.s.toArray();128&r[0]&&(r=[0].concat(r)),128&s[0]&&(s=[0].concat(s));var res=[48,r.length+s.length+4,2,r.length];return res=res.concat(r,[2,s.length],s),utils.encode(res,enc)}},{"../../elliptic":112,"bn.js":19}],122:[function(require,module,exports){"use strict";var hash=require("hash.js"),utils=require("../elliptic").utils,assert=utils.assert;function HmacDRBG(options){if(!(this instanceof HmacDRBG))return new HmacDRBG(options);this.hash=options.hash,this.predResist=!!options.predResist,this.outLen=this.hash.outSize,this.minEntropy=options.minEntropy||this.hash.hmacStrength,this.reseed=null,this.reseedInterval=null,this.K=null,this.V=null;var entropy=utils.toArray(options.entropy,options.entropyEnc),nonce=utils.toArray(options.nonce,options.nonceEnc),pers=utils.toArray(options.pers,options.persEnc);assert(entropy.length>=this.minEntropy/8,"Not enough entropy. Minimum is: "+this.minEntropy+" bits"),this._init(entropy,nonce,pers)}module.exports=HmacDRBG,HmacDRBG.prototype._init=function(entropy,nonce,pers){var seed=entropy.concat(nonce).concat(pers);this.K=new Array(this.outLen/8),this.V=new Array(this.outLen/8);for(var i=0;i<this.V.length;i++)this.K[i]=0,this.V[i]=1;this._update(seed),this.reseed=1,this.reseedInterval=281474976710656},HmacDRBG.prototype._hmac=function(){return new hash.hmac(this.hash,this.K)},HmacDRBG.prototype._update=function(seed){var kmac=this._hmac().update(this.V).update([0]);seed&&(kmac=kmac.update(seed)),this.K=kmac.digest(),this.V=this._hmac().update(this.V).digest(),seed&&(this.K=this._hmac().update(this.V).update([1]).update(seed).digest(),this.V=this._hmac().update(this.V).digest())},HmacDRBG.prototype.reseed=function(entropy,entropyEnc,add,addEnc){"string"!=typeof entropyEnc&&(addEnc=add,add=entropyEnc,entropyEnc=null),entropy=utils.toBuffer(entropy,entropyEnc),add=utils.toBuffer(add,addEnc),assert(entropy.length>=this.minEntropy/8,"Not enough entropy. Minimum is: "+this.minEntropy+" bits"),this._update(entropy.concat(add||[])),this.reseed=1},HmacDRBG.prototype.generate=function(len,enc,add,addEnc){if(this.reseed>this.reseedInterval)throw new Error("Reseed is required");"string"!=typeof enc&&(addEnc=add,add=enc,enc=null),add&&(add=utils.toArray(add,addEnc),this._update(add));for(var temp=[];temp.length<len;)this.V=this._hmac().update(this.V).digest(),temp=temp.concat(this.V);var res=temp.slice(0,len);return this._update(add),this.reseed++,utils.encode(res,enc)}},{"../elliptic":112,"hash.js":129}],123:[function(require,module,exports){arguments[4][64][0].apply(exports,arguments)},{dup:64}],124:[function(require,module,exports){"use strict";var utils=exports;utils.assert=function(val,msg){if(!val)throw new Error(msg||"Assertion failed")};utils.toArray=function(msg,enc){if(Array.isArray(msg))return msg.slice();if(!msg)return[];var res=[];if("string"!=typeof msg){for(var i=0;i<msg.length;i++)res[i]=0|msg[i];return res}if(enc){if("hex"===enc)for((msg=msg.replace(/[^a-z0-9]+/gi,"")).length%2!=0&&(msg="0"+msg),i=0;i<msg.length;i+=2)res.push(parseInt(msg[i]+msg[i+1],16))}else for(var i=0;i<msg.length;i++){var c=msg.charCodeAt(i),hi=c>>8,lo=255&c;hi?res.push(hi,lo):res.push(lo)}return res};function zero2(word){return 1===word.length?"0"+word:word}utils.zero2=zero2;function toHex(msg){for(var res="",i=0;i<msg.length;i++)res+=zero2(msg[i].toString(16));return res}utils.toHex=toHex,utils.encode=function(arr,enc){return"hex"===enc?toHex(arr):arr};utils.getNAF=function(num,w){for(var naf=[],ws=1<<w+1,k=num.clone();k.cmpn(1)>=0;){var z;if(k.isOdd()){var mod=k.andln(ws-1);z=mod>(ws>>1)-1?(ws>>1)-mod:mod,k.isubn(z)}else z=0;naf.push(z);for(var shift=0!==k.cmpn(0)&&0===k.andln(ws-1)?w+1:1,i=1;i<shift;i++)naf.push(0);k.ishrn(shift)}return naf};utils.getJSF=function(k1,k2){var jsf=[[],[]];k1=k1.clone(),k2=k2.clone();for(var d1=0,d2=0;k1.cmpn(-d1)>0||k2.cmpn(-d2)>0;){var m14=k1.andln(3)+d1&3,m24=k2.andln(3)+d2&3;3===m14&&(m14=-1),3===m24&&(m24=-1);var u1;u1=0==(1&m14)?0:3!=(m8=k1.andln(7)+d1&7)&&5!==m8||2!==m24?m14:-m14,jsf[0].push(u1);var u2;if(0==(1&m24))u2=0;else{var m8;u2=3!=(m8=k2.andln(7)+d2&7)&&5!==m8||2!==m14?m24:-m24}jsf[1].push(u2),2*d1===u1+1&&(d1=1-d1),2*d2===u2+1&&(d2=1-d2),k1.ishrn(1),k2.ishrn(1)}return jsf}},{}],125:[function(require,module,exports){module.exports={_args:[["elliptic@3.0.3","/home/emilio/dev/bitcoincashjs/bitcoincashjs"]],_from:"elliptic@3.0.3",_id:"elliptic@3.0.3",_inBundle:!1,_integrity:"sha1-hlybQgv75VAGuflp+XoNLESWZZU=",_location:"/elliptic",_phantomChildren:{},_requested:{type:"version",registry:!0,raw:"elliptic@3.0.3",name:"elliptic",escapedName:"elliptic",rawSpec:"3.0.3",saveSpec:null,fetchSpec:"3.0.3"},_requiredBy:["/"],_resolved:"https://registry.npmjs.org/elliptic/-/elliptic-3.0.3.tgz",_spec:"3.0.3",_where:"/home/emilio/dev/bitcoincashjs/bitcoincashjs",author:{name:"Fedor Indutny",email:"fedor@indutny.com"},bugs:{url:"https://github.com/indutny/elliptic/issues"},dependencies:{"bn.js":"^2.0.0",brorand:"^1.0.1","hash.js":"^1.0.0",inherits:"^2.0.1"},description:"EC cryptography",devDependencies:{browserify:"^3.44.2",jscs:"^1.11.3",jshint:"^2.6.0",mocha:"^2.1.0","uglify-js":"^2.4.13"},homepage:"https://github.com/indutny/elliptic",keywords:["EC","Elliptic","curve","Cryptography"],license:"MIT",main:"lib/elliptic.js",name:"elliptic",repository:{type:"git",url:"git+ssh://git@github.com/indutny/elliptic.git"},scripts:{test:"make lint && mocha --reporter=spec test/*-test.js"},version:"3.0.3"}},{}],126:[function(require,module,exports){function EventEmitter(){this._events=this._events||{},this._maxListeners=this._maxListeners||void 0}module.exports=EventEmitter,EventEmitter.EventEmitter=EventEmitter,EventEmitter.prototype._events=void 0,EventEmitter.prototype._maxListeners=void 0,EventEmitter.defaultMaxListeners=10,EventEmitter.prototype.setMaxListeners=function(n){if("number"!=typeof n||n<0||isNaN(n))throw TypeError("n must be a positive number");return this._maxListeners=n,this},EventEmitter.prototype.emit=function(type){var er,handler,len,args,i,listeners;if(this._events||(this._events={}),"error"===type&&(!this._events.error||isObject(this._events.error)&&!this._events.error.length)){if((er=arguments[1])instanceof Error)throw er;var err=new Error('Uncaught, unspecified "error" event. ('+er+")");throw err.context=er,err}if(isUndefined(handler=this._events[type]))return!1;if(isFunction(handler))switch(arguments.length){case 1:handler.call(this);break;case 2:handler.call(this,arguments[1]);break;case 3:handler.call(this,arguments[1],arguments[2]);break;default:args=Array.prototype.slice.call(arguments,1),handler.apply(this,args)}else if(isObject(handler))for(args=Array.prototype.slice.call(arguments,1),len=(listeners=handler.slice()).length,i=0;i<len;i++)listeners[i].apply(this,args);return!0},EventEmitter.prototype.addListener=function(type,listener){var m;if(!isFunction(listener))throw TypeError("listener must be a function");return this._events||(this._events={}),this._events.newListener&&this.emit("newListener",type,isFunction(listener.listener)?listener.listener:listener),this._events[type]?isObject(this._events[type])?this._events[type].push(listener):this._events[type]=[this._events[type],listener]:this._events[type]=listener,isObject(this._events[type])&&!this._events[type].warned&&(m=isUndefined(this._maxListeners)?EventEmitter.defaultMaxListeners:this._maxListeners)&&m>0&&this._events[type].length>m&&(this._events[type].warned=!0,console.error("(node) warning: possible EventEmitter memory leak detected. %d listeners added. Use emitter.setMaxListeners() to increase limit.",this._events[type].length),"function"==typeof console.trace&&console.trace()),this},EventEmitter.prototype.on=EventEmitter.prototype.addListener,EventEmitter.prototype.once=function(type,listener){if(!isFunction(listener))throw TypeError("listener must be a function");var fired=!1;function g(){this.removeListener(type,g),fired||(fired=!0,listener.apply(this,arguments))}return g.listener=listener,this.on(type,g),this},EventEmitter.prototype.removeListener=function(type,listener){var list,position,length,i;if(!isFunction(listener))throw TypeError("listener must be a function");if(!this._events||!this._events[type])return this;if(length=(list=this._events[type]).length,position=-1,list===listener||isFunction(list.listener)&&list.listener===listener)delete this._events[type],this._events.removeListener&&this.emit("removeListener",type,listener);else if(isObject(list)){for(i=length;i-- >0;)if(list[i]===listener||list[i].listener&&list[i].listener===listener){position=i;break}if(position<0)return this;1===list.length?(list.length=0,delete this._events[type]):list.splice(position,1),this._events.removeListener&&this.emit("removeListener",type,listener)}return this},EventEmitter.prototype.removeAllListeners=function(type){var key,listeners;if(!this._events)return this;if(!this._events.removeListener)return 0===arguments.length?this._events={}:this._events[type]&&delete this._events[type],this;if(0===arguments.length){for(key in this._events)"removeListener"!==key&&this.removeAllListeners(key);return this.removeAllListeners("removeListener"),this._events={},this}if(isFunction(listeners=this._events[type]))this.removeListener(type,listeners);else if(listeners)for(;listeners.length;)this.removeListener(type,listeners[listeners.length-1]);return delete this._events[type],this},EventEmitter.prototype.listeners=function(type){return this._events&&this._events[type]?isFunction(this._events[type])?[this._events[type]]:this._events[type].slice():[]},EventEmitter.prototype.listenerCount=function(type){if(this._events){var evlistener=this._events[type];if(isFunction(evlistener))return 1;if(evlistener)return evlistener.length}return 0},EventEmitter.listenerCount=function(emitter,type){return emitter.listenerCount(type)};function isFunction(arg){return"function"==typeof arg}function isObject(arg){return"object"==typeof arg&&null!==arg}function isUndefined(arg){return void 0===arg}},{}],127:[function(require,module,exports){var Buffer=require("safe-buffer").Buffer,MD5=require("md5.js");module.exports=function(password,salt,keyBits,ivLen){if(Buffer.isBuffer(password)||(password=Buffer.from(password,"binary")),salt&&(Buffer.isBuffer(salt)||(salt=Buffer.from(salt,"binary")),8!==salt.length))throw new RangeError("salt should be Buffer with 8 byte length");for(var keyLen=keyBits/8,key=Buffer.alloc(keyLen),iv=Buffer.alloc(ivLen||0),tmp=Buffer.alloc(0);keyLen>0||ivLen>0;){var hash=new MD5;hash.update(tmp),hash.update(password),salt&&hash.update(salt),tmp=hash.digest();var used=0;if(keyLen>0){var keyStart=key.length-keyLen;used=Math.min(keyLen,tmp.length),tmp.copy(key,keyStart,0,used),keyLen-=used}if(used<tmp.length&&ivLen>0){var ivStart=iv.length-ivLen,length=Math.min(ivLen,tmp.length-used);tmp.copy(iv,ivStart,used,used+length),ivLen-=length}}return tmp.fill(0),{key:key,iv:iv}}},{"md5.js":149,"safe-buffer":195}],128:[function(require,module,exports){(function(Buffer){"use strict";var Transform=require("stream").Transform;function HashBase(blockSize){Transform.call(this),this._block=new Buffer(blockSize),this._blockSize=blockSize,this._blockOffset=0,this._length=[0,0,0,0],this._finalized=!1}require("inherits")(HashBase,Transform),HashBase.prototype._transform=function(chunk,encoding,callback){var error=null;try{"buffer"!==encoding&&(chunk=new Buffer(chunk,encoding)),this.update(chunk)}catch(err){error=err}callback(error)},HashBase.prototype._flush=function(callback){var error=null;try{this.push(this._digest())}catch(err){error=err}callback(error)},HashBase.prototype.update=function(data,encoding){if(!Buffer.isBuffer(data)&&"string"!=typeof data)throw new TypeError("Data must be a string or a buffer");if(this._finalized)throw new Error("Digest already called");Buffer.isBuffer(data)||(data=new Buffer(data,encoding||"binary"));for(var block=this._block,offset=0;this._blockOffset+data.length-offset>=this._blockSize;){for(var i=this._blockOffset;i<this._blockSize;)block[i++]=data[offset++];this._update(),this._blockOffset=0}for(;offset<data.length;)block[this._blockOffset++]=data[offset++];for(var j=0,carry=8*data.length;carry>0;++j)this._length[j]+=carry,(carry=this._length[j]/4294967296|0)>0&&(this._length[j]-=4294967296*carry);return this},HashBase.prototype._update=function(data){throw new Error("_update is not implemented")},HashBase.prototype.digest=function(encoding){if(this._finalized)throw new Error("Digest already called");this._finalized=!0;var digest=this._digest();return void 0!==encoding&&(digest=digest.toString(encoding)),digest},HashBase.prototype._digest=function(){throw new Error("_digest is not implemented")},module.exports=HashBase}).call(this,require("buffer").Buffer)},{buffer:70,inherits:145,stream:204}],129:[function(require,module,exports){var hash=exports;hash.utils=require("./hash/utils"),hash.common=require("./hash/common"),hash.sha=require("./hash/sha"),hash.ripemd=require("./hash/ripemd"),hash.hmac=require("./hash/hmac"),hash.sha1=hash.sha.sha1,hash.sha256=hash.sha.sha256,hash.sha224=hash.sha.sha224,hash.sha384=hash.sha.sha384,hash.sha512=hash.sha.sha512,hash.ripemd160=hash.ripemd.ripemd160},{"./hash/common":130,"./hash/hmac":131,"./hash/ripemd":132,"./hash/sha":133,"./hash/utils":140}],130:[function(require,module,exports){"use strict";var utils=require("./utils"),assert=require("minimalistic-assert");function BlockHash(){this.pending=null,this.pendingTotal=0,this.blockSize=this.constructor.blockSize,this.outSize=this.constructor.outSize,this.hmacStrength=this.constructor.hmacStrength,this.padLength=this.constructor.padLength/8,this.endian="big",this._delta8=this.blockSize/8,this._delta32=this.blockSize/32}exports.BlockHash=BlockHash,BlockHash.prototype.update=function(msg,enc){if(msg=utils.toArray(msg,enc),this.pending?this.pending=this.pending.concat(msg):this.pending=msg,this.pendingTotal+=msg.length,this.pending.length>=this._delta8){var r=(msg=this.pending).length%this._delta8;this.pending=msg.slice(msg.length-r,msg.length),0===this.pending.length&&(this.pending=null),msg=utils.join32(msg,0,msg.length-r,this.endian);for(var i=0;i<msg.length;i+=this._delta32)this._update(msg,i,i+this._delta32)}return this},BlockHash.prototype.digest=function(enc){return this.update(this._pad()),assert(null===this.pending),this._digest(enc)},BlockHash.prototype._pad=function(){var len=this.pendingTotal,bytes=this._delta8,k=bytes-(len+this.padLength)%bytes,res=new Array(k+this.padLength);res[0]=128;for(var i=1;i<k;i++)res[i]=0;if(len<<=3,"big"===this.endian){for(var t=8;t<this.padLength;t++)res[i++]=0;res[i++]=0,res[i++]=0,res[i++]=0,res[i++]=0,res[i++]=len>>>24&255,res[i++]=len>>>16&255,res[i++]=len>>>8&255,res[i++]=255&len}else for(res[i++]=255&len,res[i++]=len>>>8&255,res[i++]=len>>>16&255,res[i++]=len>>>24&255,res[i++]=0,res[i++]=0,res[i++]=0,res[i++]=0,t=8;t<this.padLength;t++)res[i++]=0;return res}},{"./utils":140,"minimalistic-assert":153}],131:[function(require,module,exports){"use strict";var utils=require("./utils"),assert=require("minimalistic-assert");function Hmac(hash,key,enc){if(!(this instanceof Hmac))return new Hmac(hash,key,enc);this.Hash=hash,this.blockSize=hash.blockSize/8,this.outSize=hash.outSize/8,this.inner=null,this.outer=null,this._init(utils.toArray(key,enc))}module.exports=Hmac,Hmac.prototype._init=function(key){key.length>this.blockSize&&(key=(new this.Hash).update(key).digest()),assert(key.length<=this.blockSize);for(var i=key.length;i<this.blockSize;i++)key.push(0);for(i=0;i<key.length;i++)key[i]^=54;for(this.inner=(new this.Hash).update(key),i=0;i<key.length;i++)key[i]^=106;this.outer=(new this.Hash).update(key)},Hmac.prototype.update=function(msg,enc){return this.inner.update(msg,enc),this},Hmac.prototype.digest=function(enc){return this.outer.update(this.inner.digest()),this.outer.digest(enc)}},{"./utils":140,"minimalistic-assert":153}],132:[function(require,module,exports){"use strict";var utils=require("./utils"),common=require("./common"),rotl32=utils.rotl32,sum32=utils.sum32,sum32_3=utils.sum32_3,sum32_4=utils.sum32_4,BlockHash=common.BlockHash;function RIPEMD160(){if(!(this instanceof RIPEMD160))return new RIPEMD160;BlockHash.call(this),this.h=[1732584193,4023233417,2562383102,271733878,3285377520],this.endian="little"}utils.inherits(RIPEMD160,BlockHash),exports.ripemd160=RIPEMD160,RIPEMD160.blockSize=512,RIPEMD160.outSize=160,RIPEMD160.hmacStrength=192,RIPEMD160.padLength=64,RIPEMD160.prototype._update=function(msg,start){for(var A=this.h[0],B=this.h[1],C=this.h[2],D=this.h[3],E=this.h[4],Ah=A,Bh=B,Ch=C,Dh=D,Eh=E,j=0;j<80;j++){var T=sum32(rotl32(sum32_4(A,f(j,B,C,D),msg[r[j]+start],K(j)),s[j]),E);A=E,E=D,D=rotl32(C,10),C=B,B=T,T=sum32(rotl32(sum32_4(Ah,f(79-j,Bh,Ch,Dh),msg[rh[j]+start],Kh(j)),sh[j]),Eh),Ah=Eh,Eh=Dh,Dh=rotl32(Ch,10),Ch=Bh,Bh=T}T=sum32_3(this.h[1],C,Dh),this.h[1]=sum32_3(this.h[2],D,Eh),this.h[2]=sum32_3(this.h[3],E,Ah),this.h[3]=sum32_3(this.h[4],A,Bh),this.h[4]=sum32_3(this.h[0],B,Ch),this.h[0]=T},RIPEMD160.prototype._digest=function(enc){return"hex"===enc?utils.toHex32(this.h,"little"):utils.split32(this.h,"little")};function f(j,x,y,z){return j<=15?x^y^z:j<=31?x&y|~x&z:j<=47?(x|~y)^z:j<=63?x&z|y&~z:x^(y|~z)}function K(j){return j<=15?0:j<=31?1518500249:j<=47?1859775393:j<=63?2400959708:2840853838}function Kh(j){return j<=15?1352829926:j<=31?1548603684:j<=47?1836072691:j<=63?2053994217:0}var r=[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,7,4,13,1,10,6,15,3,12,0,9,5,2,14,11,8,3,10,14,4,9,15,8,1,2,7,0,6,13,11,5,12,1,9,11,10,0,8,12,4,13,3,7,15,14,5,6,2,4,0,5,9,7,12,2,10,14,1,3,8,11,6,15,13],rh=[5,14,7,0,9,2,11,4,13,6,15,8,1,10,3,12,6,11,3,7,0,13,5,10,14,15,8,12,4,9,1,2,15,5,1,3,7,14,6,9,11,8,12,2,10,0,4,13,8,6,4,1,3,11,15,0,5,12,2,13,9,7,10,14,12,15,10,4,1,5,8,7,6,2,13,14,0,3,9,11],s=[11,14,15,12,5,8,7,9,11,13,14,15,6,7,9,8,7,6,8,13,11,9,7,15,7,12,15,9,11,7,13,12,11,13,6,7,14,9,13,15,14,8,13,6,5,12,7,5,11,12,14,15,14,15,9,8,9,14,5,6,8,6,5,12,9,15,5,11,6,8,13,12,5,12,13,14,11,8,5,6],sh=[8,9,9,11,13,15,15,5,7,7,8,11,14,14,12,6,9,13,15,7,12,8,9,11,7,7,12,7,6,15,13,11,9,7,15,11,8,6,6,14,12,13,5,14,13,13,7,5,15,5,8,11,14,14,6,14,6,9,12,9,12,5,15,8,8,5,12,9,12,5,14,6,8,13,6,5,15,13,11,11]},{"./common":130,"./utils":140}],133:[function(require,module,exports){"use strict";exports.sha1=require("./sha/1"),exports.sha224=require("./sha/224"),exports.sha256=require("./sha/256"),exports.sha384=require("./sha/384"),exports.sha512=require("./sha/512")},{"./sha/1":134,"./sha/224":135,"./sha/256":136,"./sha/384":137,"./sha/512":138}],134:[function(require,module,exports){"use strict";var utils=require("../utils"),common=require("../common"),shaCommon=require("./common"),rotl32=utils.rotl32,sum32=utils.sum32,sum32_5=utils.sum32_5,ft_1=shaCommon.ft_1,BlockHash=common.BlockHash,sha1_K=[1518500249,1859775393,2400959708,3395469782];function SHA1(){if(!(this instanceof SHA1))return new SHA1;BlockHash.call(this),this.h=[1732584193,4023233417,2562383102,271733878,3285377520],this.W=new Array(80)}utils.inherits(SHA1,BlockHash),module.exports=SHA1,SHA1.blockSize=512,SHA1.outSize=160,SHA1.hmacStrength=80,SHA1.padLength=64,SHA1.prototype._update=function(msg,start){for(var W=this.W,i=0;i<16;i++)W[i]=msg[start+i];for(;i<W.length;i++)W[i]=rotl32(W[i-3]^W[i-8]^W[i-14]^W[i-16],1);var a=this.h[0],b=this.h[1],c=this.h[2],d=this.h[3],e=this.h[4];for(i=0;i<W.length;i++){var s=~~(i/20),t=sum32_5(rotl32(a,5),ft_1(s,b,c,d),e,W[i],sha1_K[s]);e=d,d=c,c=rotl32(b,30),b=a,a=t}this.h[0]=sum32(this.h[0],a),this.h[1]=sum32(this.h[1],b),this.h[2]=sum32(this.h[2],c),this.h[3]=sum32(this.h[3],d),this.h[4]=sum32(this.h[4],e)},SHA1.prototype._digest=function(enc){return"hex"===enc?utils.toHex32(this.h,"big"):utils.split32(this.h,"big")}},{"../common":130,"../utils":140,"./common":139}],135:[function(require,module,exports){"use strict";var utils=require("../utils"),SHA256=require("./256");function SHA224(){if(!(this instanceof SHA224))return new SHA224;SHA256.call(this),this.h=[3238371032,914150663,812702999,4144912697,4290775857,1750603025,1694076839,3204075428]}utils.inherits(SHA224,SHA256),module.exports=SHA224,SHA224.blockSize=512,SHA224.outSize=224,SHA224.hmacStrength=192,SHA224.padLength=64,SHA224.prototype._digest=function(enc){return"hex"===enc?utils.toHex32(this.h.slice(0,7),"big"):utils.split32(this.h.slice(0,7),"big")}},{"../utils":140,"./256":136}],136:[function(require,module,exports){"use strict";var utils=require("../utils"),common=require("../common"),shaCommon=require("./common"),assert=require("minimalistic-assert"),sum32=utils.sum32,sum32_4=utils.sum32_4,sum32_5=utils.sum32_5,ch32=shaCommon.ch32,maj32=shaCommon.maj32,s0_256=shaCommon.s0_256,s1_256=shaCommon.s1_256,g0_256=shaCommon.g0_256,g1_256=shaCommon.g1_256,BlockHash=common.BlockHash,sha256_K=[1116352408,1899447441,3049323471,3921009573,961987163,1508970993,2453635748,2870763221,3624381080,310598401,607225278,1426881987,1925078388,2162078206,2614888103,3248222580,3835390401,4022224774,264347078,604807628,770255983,1249150122,1555081692,1996064986,2554220882,2821834349,2952996808,3210313671,3336571891,3584528711,113926993,338241895,666307205,773529912,1294757372,1396182291,1695183700,1986661051,2177026350,2456956037,2730485921,2820302411,3259730800,3345764771,3516065817,3600352804,4094571909,275423344,430227734,506948616,659060556,883997877,958139571,1322822218,1537002063,1747873779,1955562222,2024104815,2227730452,2361852424,2428436474,2756734187,3204031479,3329325298];function SHA256(){if(!(this instanceof SHA256))return new SHA256;BlockHash.call(this),this.h=[1779033703,3144134277,1013904242,2773480762,1359893119,2600822924,528734635,1541459225],this.k=sha256_K,this.W=new Array(64)}utils.inherits(SHA256,BlockHash),module.exports=SHA256,SHA256.blockSize=512,SHA256.outSize=256,SHA256.hmacStrength=192,SHA256.padLength=64,SHA256.prototype._update=function(msg,start){for(var W=this.W,i=0;i<16;i++)W[i]=msg[start+i];for(;i<W.length;i++)W[i]=sum32_4(g1_256(W[i-2]),W[i-7],g0_256(W[i-15]),W[i-16]);var a=this.h[0],b=this.h[1],c=this.h[2],d=this.h[3],e=this.h[4],f=this.h[5],g=this.h[6],h=this.h[7];for(assert(this.k.length===W.length),i=0;i<W.length;i++){var T1=sum32_5(h,s1_256(e),ch32(e,f,g),this.k[i],W[i]),T2=sum32(s0_256(a),maj32(a,b,c));h=g,g=f,f=e,e=sum32(d,T1),d=c,c=b,b=a,a=sum32(T1,T2)}this.h[0]=sum32(this.h[0],a),this.h[1]=sum32(this.h[1],b),this.h[2]=sum32(this.h[2],c),this.h[3]=sum32(this.h[3],d),this.h[4]=sum32(this.h[4],e),this.h[5]=sum32(this.h[5],f),this.h[6]=sum32(this.h[6],g),this.h[7]=sum32(this.h[7],h)},SHA256.prototype._digest=function(enc){return"hex"===enc?utils.toHex32(this.h,"big"):utils.split32(this.h,"big")}},{"../common":130,"../utils":140,"./common":139,"minimalistic-assert":153}],137:[function(require,module,exports){"use strict";var utils=require("../utils"),SHA512=require("./512");function SHA384(){if(!(this instanceof SHA384))return new SHA384;SHA512.call(this),this.h=[3418070365,3238371032,1654270250,914150663,2438529370,812702999,355462360,4144912697,1731405415,4290775857,2394180231,1750603025,3675008525,1694076839,1203062813,3204075428]}utils.inherits(SHA384,SHA512),module.exports=SHA384,SHA384.blockSize=1024,SHA384.outSize=384,SHA384.hmacStrength=192,SHA384.padLength=128,SHA384.prototype._digest=function(enc){return"hex"===enc?utils.toHex32(this.h.slice(0,12),"big"):utils.split32(this.h.slice(0,12),"big")}},{"../utils":140,"./512":138}],138:[function(require,module,exports){"use strict";var utils=require("../utils"),common=require("../common"),assert=require("minimalistic-assert"),rotr64_hi=utils.rotr64_hi,rotr64_lo=utils.rotr64_lo,shr64_hi=utils.shr64_hi,shr64_lo=utils.shr64_lo,sum64=utils.sum64,sum64_hi=utils.sum64_hi,sum64_lo=utils.sum64_lo,sum64_4_hi=utils.sum64_4_hi,sum64_4_lo=utils.sum64_4_lo,sum64_5_hi=utils.sum64_5_hi,sum64_5_lo=utils.sum64_5_lo,BlockHash=common.BlockHash,sha512_K=[1116352408,3609767458,1899447441,602891725,3049323471,3964484399,3921009573,2173295548,961987163,4081628472,1508970993,3053834265,2453635748,2937671579,2870763221,3664609560,3624381080,2734883394,310598401,1164996542,607225278,1323610764,1426881987,3590304994,1925078388,4068182383,2162078206,991336113,2614888103,633803317,3248222580,3479774868,3835390401,2666613458,4022224774,944711139,264347078,2341262773,604807628,2007800933,770255983,1495990901,1249150122,1856431235,1555081692,3175218132,1996064986,2198950837,2554220882,3999719339,2821834349,766784016,2952996808,2566594879,3210313671,3203337956,3336571891,1034457026,3584528711,2466948901,113926993,3758326383,338241895,168717936,666307205,1188179964,773529912,1546045734,1294757372,1522805485,1396182291,2643833823,1695183700,2343527390,1986661051,1014477480,2177026350,1206759142,2456956037,344077627,2730485921,1290863460,2820302411,3158454273,3259730800,3505952657,3345764771,106217008,3516065817,3606008344,3600352804,1432725776,4094571909,1467031594,275423344,851169720,430227734,3100823752,506948616,1363258195,659060556,3750685593,883997877,3785050280,958139571,3318307427,1322822218,3812723403,1537002063,2003034995,1747873779,3602036899,1955562222,1575990012,2024104815,1125592928,2227730452,2716904306,2361852424,442776044,2428436474,593698344,2756734187,3733110249,3204031479,2999351573,3329325298,3815920427,3391569614,3928383900,3515267271,566280711,3940187606,3454069534,4118630271,4000239992,116418474,1914138554,174292421,2731055270,289380356,3203993006,460393269,320620315,685471733,587496836,852142971,1086792851,1017036298,365543100,1126000580,2618297676,1288033470,3409855158,1501505948,4234509866,1607167915,987167468,1816402316,1246189591];function SHA512(){if(!(this instanceof SHA512))return new SHA512;BlockHash.call(this),this.h=[1779033703,4089235720,3144134277,2227873595,1013904242,4271175723,2773480762,1595750129,1359893119,2917565137,2600822924,725511199,528734635,4215389547,1541459225,327033209],this.k=sha512_K,this.W=new Array(160)}utils.inherits(SHA512,BlockHash),module.exports=SHA512,SHA512.blockSize=1024,SHA512.outSize=512,SHA512.hmacStrength=192,SHA512.padLength=128,SHA512.prototype._prepareBlock=function(msg,start){for(var W=this.W,i=0;i<32;i++)W[i]=msg[start+i];for(;i<W.length;i+=2){var c0_hi=g1_512_hi(W[i-4],W[i-3]),c0_lo=g1_512_lo(W[i-4],W[i-3]),c1_hi=W[i-14],c1_lo=W[i-13],c2_hi=g0_512_hi(W[i-30],W[i-29]),c2_lo=g0_512_lo(W[i-30],W[i-29]),c3_hi=W[i-32],c3_lo=W[i-31];W[i]=sum64_4_hi(c0_hi,c0_lo,c1_hi,c1_lo,c2_hi,c2_lo,c3_hi,c3_lo),W[i+1]=sum64_4_lo(c0_hi,c0_lo,c1_hi,c1_lo,c2_hi,c2_lo,c3_hi,c3_lo)}},SHA512.prototype._update=function(msg,start){this._prepareBlock(msg,start);var W=this.W,ah=this.h[0],al=this.h[1],bh=this.h[2],bl=this.h[3],ch=this.h[4],cl=this.h[5],dh=this.h[6],dl=this.h[7],eh=this.h[8],el=this.h[9],fh=this.h[10],fl=this.h[11],gh=this.h[12],gl=this.h[13],hh=this.h[14],hl=this.h[15];assert(this.k.length===W.length);for(var i=0;i<W.length;i+=2){var c0_hi=hh,c0_lo=hl,c1_hi=s1_512_hi(eh,el),c1_lo=s1_512_lo(eh,el),c2_hi=ch64_hi(eh,el,fh,fl,gh),c2_lo=ch64_lo(eh,el,fh,fl,gh,gl),c3_hi=this.k[i],c3_lo=this.k[i+1],c4_hi=W[i],c4_lo=W[i+1],T1_hi=sum64_5_hi(c0_hi,c0_lo,c1_hi,c1_lo,c2_hi,c2_lo,c3_hi,c3_lo,c4_hi,c4_lo),T1_lo=sum64_5_lo(c0_hi,c0_lo,c1_hi,c1_lo,c2_hi,c2_lo,c3_hi,c3_lo,c4_hi,c4_lo);c0_hi=s0_512_hi(ah,al),c0_lo=s0_512_lo(ah,al),c1_hi=maj64_hi(ah,al,bh,bl,ch),c1_lo=maj64_lo(ah,al,bh,bl,ch,cl);var T2_hi=sum64_hi(c0_hi,c0_lo,c1_hi,c1_lo),T2_lo=sum64_lo(c0_hi,c0_lo,c1_hi,c1_lo);hh=gh,hl=gl,gh=fh,gl=fl,fh=eh,fl=el,eh=sum64_hi(dh,dl,T1_hi,T1_lo),el=sum64_lo(dl,dl,T1_hi,T1_lo),dh=ch,dl=cl,ch=bh,cl=bl,bh=ah,bl=al,ah=sum64_hi(T1_hi,T1_lo,T2_hi,T2_lo),al=sum64_lo(T1_hi,T1_lo,T2_hi,T2_lo)}sum64(this.h,0,ah,al),sum64(this.h,2,bh,bl),sum64(this.h,4,ch,cl),sum64(this.h,6,dh,dl),sum64(this.h,8,eh,el),sum64(this.h,10,fh,fl),sum64(this.h,12,gh,gl),sum64(this.h,14,hh,hl)},SHA512.prototype._digest=function(enc){return"hex"===enc?utils.toHex32(this.h,"big"):utils.split32(this.h,"big")};function ch64_hi(xh,xl,yh,yl,zh){var r=xh&yh^~xh&zh;return r<0&&(r+=4294967296),r}function ch64_lo(xh,xl,yh,yl,zh,zl){var r=xl&yl^~xl&zl;return r<0&&(r+=4294967296),r}function maj64_hi(xh,xl,yh,yl,zh){var r=xh&yh^xh&zh^yh&zh;return r<0&&(r+=4294967296),r}function maj64_lo(xh,xl,yh,yl,zh,zl){var r=xl&yl^xl&zl^yl&zl;return r<0&&(r+=4294967296),r}function s0_512_hi(xh,xl){var r=rotr64_hi(xh,xl,28)^rotr64_hi(xl,xh,2)^rotr64_hi(xl,xh,7);return r<0&&(r+=4294967296),r}function s0_512_lo(xh,xl){var r=rotr64_lo(xh,xl,28)^rotr64_lo(xl,xh,2)^rotr64_lo(xl,xh,7);return r<0&&(r+=4294967296),r}function s1_512_hi(xh,xl){var r=rotr64_hi(xh,xl,14)^rotr64_hi(xh,xl,18)^rotr64_hi(xl,xh,9);return r<0&&(r+=4294967296),r}function s1_512_lo(xh,xl){var r=rotr64_lo(xh,xl,14)^rotr64_lo(xh,xl,18)^rotr64_lo(xl,xh,9);return r<0&&(r+=4294967296),r}function g0_512_hi(xh,xl){var r=rotr64_hi(xh,xl,1)^rotr64_hi(xh,xl,8)^shr64_hi(xh,xl,7);return r<0&&(r+=4294967296),r}function g0_512_lo(xh,xl){var r=rotr64_lo(xh,xl,1)^rotr64_lo(xh,xl,8)^shr64_lo(xh,xl,7);return r<0&&(r+=4294967296),r}function g1_512_hi(xh,xl){var r=rotr64_hi(xh,xl,19)^rotr64_hi(xl,xh,29)^shr64_hi(xh,xl,6);return r<0&&(r+=4294967296),r}function g1_512_lo(xh,xl){var r=rotr64_lo(xh,xl,19)^rotr64_lo(xl,xh,29)^shr64_lo(xh,xl,6);return r<0&&(r+=4294967296),r}},{"../common":130,"../utils":140,"minimalistic-assert":153}],139:[function(require,module,exports){"use strict";var rotr32=require("../utils").rotr32;exports.ft_1=function(s,x,y,z){return 0===s?ch32(x,y,z):1===s||3===s?p32(x,y,z):2===s?maj32(x,y,z):void 0};function ch32(x,y,z){return x&y^~x&z}exports.ch32=ch32;function maj32(x,y,z){return x&y^x&z^y&z}exports.maj32=maj32;function p32(x,y,z){return x^y^z}exports.p32=p32;exports.s0_256=function(x){return rotr32(x,2)^rotr32(x,13)^rotr32(x,22)};exports.s1_256=function(x){return rotr32(x,6)^rotr32(x,11)^rotr32(x,25)};exports.g0_256=function(x){return rotr32(x,7)^rotr32(x,18)^x>>>3};exports.g1_256=function(x){return rotr32(x,17)^rotr32(x,19)^x>>>10}},{"../utils":140}],140:[function(require,module,exports){"use strict";var assert=require("minimalistic-assert"),inherits=require("inherits");exports.inherits=inherits;exports.toArray=function(msg,enc){if(Array.isArray(msg))return msg.slice();if(!msg)return[];var res=[];if("string"==typeof msg)if(enc){if("hex"===enc)for((msg=msg.replace(/[^a-z0-9]+/gi,"")).length%2!=0&&(msg="0"+msg),i=0;i<msg.length;i+=2)res.push(parseInt(msg[i]+msg[i+1],16))}else for(var i=0;i<msg.length;i++){var c=msg.charCodeAt(i),hi=c>>8,lo=255&c;hi?res.push(hi,lo):res.push(lo)}else for(i=0;i<msg.length;i++)res[i]=0|msg[i];return res};exports.toHex=function(msg){for(var res="",i=0;i<msg.length;i++)res+=zero2(msg[i].toString(16));return res};function htonl(w){return(w>>>24|w>>>8&65280|w<<8&16711680|(255&w)<<24)>>>0}exports.htonl=htonl;exports.toHex32=function(msg,endian){for(var res="",i=0;i<msg.length;i++){var w=msg[i];"little"===endian&&(w=htonl(w)),res+=zero8(w.toString(16))}return res};function zero2(word){return 1===word.length?"0"+word:word}exports.zero2=zero2;function zero8(word){return 7===word.length?"0"+word:6===word.length?"00"+word:5===word.length?"000"+word:4===word.length?"0000"+word:3===word.length?"00000"+word:2===word.length?"000000"+word:1===word.length?"0000000"+word:word}exports.zero8=zero8;exports.join32=function(msg,start,end,endian){var len=end-start;assert(len%4==0);for(var res=new Array(len/4),i=0,k=start;i<res.length;i++,k+=4){var w;w="big"===endian?msg[k]<<24|msg[k+1]<<16|msg[k+2]<<8|msg[k+3]:msg[k+3]<<24|msg[k+2]<<16|msg[k+1]<<8|msg[k],res[i]=w>>>0}return res};exports.split32=function(msg,endian){for(var res=new Array(4*msg.length),i=0,k=0;i<msg.length;i++,k+=4){var m=msg[i];"big"===endian?(res[k]=m>>>24,res[k+1]=m>>>16&255,res[k+2]=m>>>8&255,res[k+3]=255&m):(res[k+3]=m>>>24,res[k+2]=m>>>16&255,res[k+1]=m>>>8&255,res[k]=255&m)}return res};exports.rotr32=function(w,b){return w>>>b|w<<32-b};exports.rotl32=function(w,b){return w<<b|w>>>32-b};exports.sum32=function(a,b){return a+b>>>0};exports.sum32_3=function(a,b,c){return a+b+c>>>0};exports.sum32_4=function(a,b,c,d){return a+b+c+d>>>0};exports.sum32_5=function(a,b,c,d,e){return a+b+c+d+e>>>0};exports.sum64=function(buf,pos,ah,al){var bh=buf[pos],lo=al+buf[pos+1]>>>0,hi=(lo<al?1:0)+ah+bh;buf[pos]=hi>>>0,buf[pos+1]=lo};exports.sum64_hi=function(ah,al,bh,bl){return(al+bl>>>0<al?1:0)+ah+bh>>>0};exports.sum64_lo=function(ah,al,bh,bl){return al+bl>>>0};exports.sum64_4_hi=function(ah,al,bh,bl,ch,cl,dh,dl){var carry=0,lo=al;return carry+=(lo=lo+bl>>>0)<al?1:0,carry+=(lo=lo+cl>>>0)<cl?1:0,ah+bh+ch+dh+(carry+=(lo=lo+dl>>>0)<dl?1:0)>>>0};exports.sum64_4_lo=function(ah,al,bh,bl,ch,cl,dh,dl){return al+bl+cl+dl>>>0};exports.sum64_5_hi=function(ah,al,bh,bl,ch,cl,dh,dl,eh,el){var carry=0,lo=al;return carry+=(lo=lo+bl>>>0)<al?1:0,carry+=(lo=lo+cl>>>0)<cl?1:0,carry+=(lo=lo+dl>>>0)<dl?1:0,ah+bh+ch+dh+eh+(carry+=(lo=lo+el>>>0)<el?1:0)>>>0};exports.sum64_5_lo=function(ah,al,bh,bl,ch,cl,dh,dl,eh,el){return al+bl+cl+dl+el>>>0};exports.rotr64_hi=function(ah,al,num){return(al<<32-num|ah>>>num)>>>0};exports.rotr64_lo=function(ah,al,num){return(ah<<32-num|al>>>num)>>>0};exports.shr64_hi=function(ah,al,num){return ah>>>num};exports.shr64_lo=function(ah,al,num){return(ah<<32-num|al>>>num)>>>0}},{inherits:141,"minimalistic-assert":153}],141:[function(require,module,exports){"function"==typeof Object.create?module.exports=function(ctor,superCtor){ctor.super_=superCtor,ctor.prototype=Object.create(superCtor.prototype,{constructor:{value:ctor,enumerable:!1,writable:!0,configurable:!0}})}:module.exports=function(ctor,superCtor){ctor.super_=superCtor;var TempCtor=function(){};TempCtor.prototype=superCtor.prototype,ctor.prototype=new TempCtor,ctor.prototype.constructor=ctor}},{}],142:[function(require,module,exports){"use strict";var hash=require("hash.js"),utils=require("minimalistic-crypto-utils"),assert=require("minimalistic-assert");function HmacDRBG(options){if(!(this instanceof HmacDRBG))return new HmacDRBG(options);this.hash=options.hash,this.predResist=!!options.predResist,this.outLen=this.hash.outSize,this.minEntropy=options.minEntropy||this.hash.hmacStrength,this._reseed=null,this.reseedInterval=null,this.K=null,this.V=null;var entropy=utils.toArray(options.entropy,options.entropyEnc||"hex"),nonce=utils.toArray(options.nonce,options.nonceEnc||"hex"),pers=utils.toArray(options.pers,options.persEnc||"hex");assert(entropy.length>=this.minEntropy/8,"Not enough entropy. Minimum is: "+this.minEntropy+" bits"),this._init(entropy,nonce,pers)}module.exports=HmacDRBG,HmacDRBG.prototype._init=function(entropy,nonce,pers){var seed=entropy.concat(nonce).concat(pers);this.K=new Array(this.outLen/8),this.V=new Array(this.outLen/8);for(var i=0;i<this.V.length;i++)this.K[i]=0,this.V[i]=1;this._update(seed),this._reseed=1,this.reseedInterval=281474976710656},HmacDRBG.prototype._hmac=function(){return new hash.hmac(this.hash,this.K)},HmacDRBG.prototype._update=function(seed){var kmac=this._hmac().update(this.V).update([0]);seed&&(kmac=kmac.update(seed)),this.K=kmac.digest(),this.V=this._hmac().update(this.V).digest(),seed&&(this.K=this._hmac().update(this.V).update([1]).update(seed).digest(),this.V=this._hmac().update(this.V).digest())},HmacDRBG.prototype.reseed=function(entropy,entropyEnc,add,addEnc){"string"!=typeof entropyEnc&&(addEnc=add,add=entropyEnc,entropyEnc=null),entropy=utils.toArray(entropy,entropyEnc),add=utils.toArray(add,addEnc),assert(entropy.length>=this.minEntropy/8,"Not enough entropy. Minimum is: "+this.minEntropy+" bits"),this._update(entropy.concat(add||[])),this._reseed=1},HmacDRBG.prototype.generate=function(len,enc,add,addEnc){if(this._reseed>this.reseedInterval)throw new Error("Reseed is required");"string"!=typeof enc&&(addEnc=add,add=enc,enc=null),add&&(add=utils.toArray(add,addEnc||"hex"),this._update(add));for(var temp=[];temp.length<len;)this.V=this._hmac().update(this.V).digest(),temp=temp.concat(this.V);var res=temp.slice(0,len);return this._update(add),this._reseed++,utils.encode(res,enc)}},{"hash.js":129,"minimalistic-assert":153,"minimalistic-crypto-utils":154}],143:[function(require,module,exports){exports.read=function(buffer,offset,isLE,mLen,nBytes){var e,m,eLen=8*nBytes-mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1,nBits=-7,i=isLE?nBytes-1:0,d=isLE?-1:1,s=buffer[offset+i];for(i+=d,e=s&(1<<-nBits)-1,s>>=-nBits,nBits+=eLen;nBits>0;e=256*e+buffer[offset+i],i+=d,nBits-=8);for(m=e&(1<<-nBits)-1,e>>=-nBits,nBits+=mLen;nBits>0;m=256*m+buffer[offset+i],i+=d,nBits-=8);if(0===e)e=1-eBias;else{if(e===eMax)return m?NaN:1/0*(s?-1:1);m+=Math.pow(2,mLen),e-=eBias}return(s?-1:1)*m*Math.pow(2,e-mLen)},exports.write=function(buffer,value,offset,isLE,mLen,nBytes){var e,m,c,eLen=8*nBytes-mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1,rt=23===mLen?Math.pow(2,-24)-Math.pow(2,-77):0,i=isLE?0:nBytes-1,d=isLE?1:-1,s=value<0||0===value&&1/value<0?1:0;for(value=Math.abs(value),isNaN(value)||value===1/0?(m=isNaN(value)?1:0,e=eMax):(e=Math.floor(Math.log(value)/Math.LN2),value*(c=Math.pow(2,-e))<1&&(e--,c*=2),(value+=e+eBias>=1?rt/c:rt*Math.pow(2,1-eBias))*c>=2&&(e++,c/=2),e+eBias>=eMax?(m=0,e=eMax):e+eBias>=1?(m=(value*c-1)*Math.pow(2,mLen),e+=eBias):(m=value*Math.pow(2,eBias-1)*Math.pow(2,mLen),e=0));mLen>=8;buffer[offset+i]=255&m,i+=d,m/=256,mLen-=8);for(e=e<<mLen|m,eLen+=mLen;eLen>0;buffer[offset+i]=255&e,i+=d,e/=256,eLen-=8);buffer[offset+i-d]|=128*s}},{}],144:[function(require,module,exports){var indexOf=[].indexOf;module.exports=function(arr,obj){if(indexOf)return arr.indexOf(obj);for(var i=0;i<arr.length;++i)if(arr[i]===obj)return i;return-1}},{}],145:[function(require,module,exports){arguments[4][141][0].apply(exports,arguments)},{dup:141}],146:[function(require,module,exports){module.exports=function(obj){return null!=obj&&(isBuffer(obj)||function(obj){return"function"==typeof obj.readFloatLE&&"function"==typeof obj.slice&&isBuffer(obj.slice(0,0))}(obj)||!!obj._isBuffer)};function isBuffer(obj){return!!obj.constructor&&"function"==typeof obj.constructor.isBuffer&&obj.constructor.isBuffer(obj)}},{}],147:[function(require,module,exports){var toString={}.toString;module.exports=Array.isArray||function(arr){return"[object Array]"==toString.call(arr)}},{}],148:[function(require,module,exports){(function(global){(function(){var undefined,LARGE_ARRAY_SIZE=200,CORE_ERROR_TEXT="Unsupported core-js use. 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isArr=isArray(srcValue),isBuff=!isArr&&isBuffer(srcValue),isTyped=!isArr&&!isBuff&&isTypedArray(srcValue);newValue=srcValue,isArr||isBuff||isTyped?isArray(objValue)?newValue=objValue:isArrayLikeObject(objValue)?newValue=copyArray(objValue):isBuff?(isCommon=!1,newValue=cloneBuffer(srcValue,!0)):isTyped?(isCommon=!1,newValue=cloneTypedArray(srcValue,!0)):newValue=[]:isPlainObject(srcValue)||isArguments(srcValue)?(newValue=objValue,isArguments(objValue)?newValue=toPlainObject(objValue):(!isObject(objValue)||srcIndex&&isFunction(objValue))&&(newValue=initCloneObject(srcValue))):isCommon=!1}isCommon&&(stack.set(srcValue,newValue),mergeFunc(newValue,srcValue,srcIndex,customizer,stack),stack.delete(srcValue)),assignMergeValue(object,key,newValue)}}(object,source,key,srcIndex,baseMerge,customizer,stack);else{var newValue=customizer?customizer(object[key],srcValue,key+"",object,source,stack):undefined;newValue===undefined&&(newValue=srcValue),assignMergeValue(object,key,newValue)}},keysIn)}function baseNth(array,n){var length=array.length;if(length)return isIndex(n+=n<0?length:0,length)?array[n]:undefined}function baseOrderBy(collection,iteratees,orders){var index=-1;return iteratees=arrayMap(iteratees.length?iteratees:[identity],baseUnary(getIteratee())),function(array,comparer){var length=array.length;for(array.sort(comparer);length--;)array[length]=array[length].value;return array}(baseMap(collection,function(value,key,collection){return{criteria:arrayMap(iteratees,function(iteratee){return iteratee(value)}),index:++index,value:value}}),function(object,other){return function(object,other,orders){for(var index=-1,objCriteria=object.criteria,othCriteria=other.criteria,length=objCriteria.length,ordersLength=orders.length;++index<length;){var result=compareAscending(objCriteria[index],othCriteria[index]);if(result){if(index>=ordersLength)return result;var order=orders[index];return result*("desc"==order?-1:1)}}return object.index-other.index}(object,other,orders)})}function basePickBy(object,paths,predicate){for(var index=-1,length=paths.length,result={};++index<length;){var path=paths[index],value=baseGet(object,path);predicate(value,path)&&baseSet(result,castPath(path,object),value)}return result}function basePullAll(array,values,iteratee,comparator){var indexOf=comparator?baseIndexOfWith:baseIndexOf,index=-1,length=values.length,seen=array;for(array===values&&(values=copyArray(values)),iteratee&&(seen=arrayMap(array,baseUnary(iteratee)));++index<length;)for(var fromIndex=0,value=values[index],computed=iteratee?iteratee(value):value;(fromIndex=indexOf(seen,computed,fromIndex,comparator))>-1;)seen!==array&&splice.call(seen,fromIndex,1),splice.call(array,fromIndex,1);return array}function basePullAt(array,indexes){for(var length=array?indexes.length:0,lastIndex=length-1;length--;){var index=indexes[length];if(length==lastIndex||index!==previous){var previous=index;isIndex(index)?splice.call(array,index,1):baseUnset(array,index)}}return array}function baseRandom(lower,upper){return lower+nativeFloor(nativeRandom()*(upper-lower+1))}function baseRepeat(string,n){var result="";if(!string||n<1||n>MAX_SAFE_INTEGER)return result;do{n%2&&(result+=string),(n=nativeFloor(n/2))&&(string+=string)}while(n);return result}function baseRest(func,start){return setToString(overRest(func,start,identity),func+"")}function baseSample(collection){return arraySample(values(collection))}function baseSampleSize(collection,n){var array=values(collection);return shuffleSelf(array,baseClamp(n,0,array.length))}function baseSet(object,path,value,customizer){if(!isObject(object))return object;for(var index=-1,length=(path=castPath(path,object)).length,lastIndex=length-1,nested=object;null!=nested&&++index<length;){var key=toKey(path[index]),newValue=value;if(index!=lastIndex){var objValue=nested[key];(newValue=customizer?customizer(objValue,key,nested):undefined)===undefined&&(newValue=isObject(objValue)?objValue:isIndex(path[index+1])?[]:{})}assignValue(nested,key,newValue),nested=nested[key]}return object}var baseSetData=metaMap?function(func,data){return metaMap.set(func,data),func}:identity,baseSetToString=defineProperty?function(func,string){return defineProperty(func,"toString",{configurable:!0,enumerable:!1,value:constant(string),writable:!0})}:identity;function baseShuffle(collection){return shuffleSelf(values(collection))}function baseSlice(array,start,end){var index=-1,length=array.length;start<0&&(start=-start>length?0:length+start),(end=end>length?length:end)<0&&(end+=length),length=start>end?0:end-start>>>0,start>>>=0;for(var result=Array(length);++index<length;)result[index]=array[index+start];return result}function baseSome(collection,predicate){var result;return baseEach(collection,function(value,index,collection){return!(result=predicate(value,index,collection))}),!!result}function baseSortedIndex(array,value,retHighest){var low=0,high=null==array?low:array.length;if("number"==typeof value&&value==value&&high<=HALF_MAX_ARRAY_LENGTH){for(;low<high;){var mid=low+high>>>1,computed=array[mid];null!==computed&&!isSymbol(computed)&&(retHighest?computed<=value:computed<value)?low=mid+1:high=mid}return high}return baseSortedIndexBy(array,value,identity,retHighest)}function baseSortedIndexBy(array,value,iteratee,retHighest){value=iteratee(value);for(var low=0,high=null==array?0:array.length,valIsNaN=value!=value,valIsNull=null===value,valIsSymbol=isSymbol(value),valIsUndefined=value===undefined;low<high;){var mid=nativeFloor((low+high)/2),computed=iteratee(array[mid]),othIsDefined=computed!==undefined,othIsNull=null===computed,othIsReflexive=computed==computed,othIsSymbol=isSymbol(computed);if(valIsNaN)var setLow=retHighest||othIsReflexive;else setLow=valIsUndefined?othIsReflexive&&(retHighest||othIsDefined):valIsNull?othIsReflexive&&othIsDefined&&(retHighest||!othIsNull):valIsSymbol?othIsReflexive&&othIsDefined&&!othIsNull&&(retHighest||!othIsSymbol):!othIsNull&&!othIsSymbol&&(retHighest?computed<=value:computed<value);setLow?low=mid+1:high=mid}return nativeMin(high,MAX_ARRAY_INDEX)}function baseSortedUniq(array,iteratee){for(var index=-1,length=array.length,resIndex=0,result=[];++index<length;){var value=array[index],computed=iteratee?iteratee(value):value;if(!index||!eq(computed,seen)){var seen=computed;result[resIndex++]=0===value?0:value}}return result}function baseToNumber(value){return"number"==typeof value?value:isSymbol(value)?NAN:+value}function baseToString(value){if("string"==typeof value)return value;if(isArray(value))return arrayMap(value,baseToString)+"";if(isSymbol(value))return symbolToString?symbolToString.call(value):"";var result=value+"";return"0"==result&&1/value==-INFINITY?"-0":result}function baseUniq(array,iteratee,comparator){var index=-1,includes=arrayIncludes,length=array.length,isCommon=!0,result=[],seen=result;if(comparator)isCommon=!1,includes=arrayIncludesWith;else if(length>=LARGE_ARRAY_SIZE){var set=iteratee?null:createSet(array);if(set)return setToArray(set);isCommon=!1,includes=cacheHas,seen=new SetCache}else seen=iteratee?[]:result;outer:for(;++index<length;){var value=array[index],computed=iteratee?iteratee(value):value;if(value=comparator||0!==value?value:0,isCommon&&computed==computed){for(var seenIndex=seen.length;seenIndex--;)if(seen[seenIndex]===computed)continue outer;iteratee&&seen.push(computed),result.push(value)}else includes(seen,computed,comparator)||(seen!==result&&seen.push(computed),result.push(value))}return result}function baseUnset(object,path){return null==(object=parent(object,path=castPath(path,object)))||delete object[toKey(last(path))]}function baseUpdate(object,path,updater,customizer){return baseSet(object,path,updater(baseGet(object,path)),customizer)}function baseWhile(array,predicate,isDrop,fromRight){for(var length=array.length,index=fromRight?length:-1;(fromRight?index--:++index<length)&&predicate(array[index],index,array););return isDrop?baseSlice(array,fromRight?0:index,fromRight?index+1:length):baseSlice(array,fromRight?index+1:0,fromRight?length:index)}function baseWrapperValue(value,actions){var result=value;return result instanceof LazyWrapper&&(result=result.value()),arrayReduce(actions,function(result,action){return action.func.apply(action.thisArg,arrayPush([result],action.args))},result)}function baseXor(arrays,iteratee,comparator){var length=arrays.length;if(length<2)return length?baseUniq(arrays[0]):[];for(var index=-1,result=Array(length);++index<length;)for(var array=arrays[index],othIndex=-1;++othIndex<length;)othIndex!=index&&(result[index]=baseDifference(result[index]||array,arrays[othIndex],iteratee,comparator));return baseUniq(baseFlatten(result,1),iteratee,comparator)}function baseZipObject(props,values,assignFunc){for(var index=-1,length=props.length,valsLength=values.length,result={};++index<length;){var value=index<valsLength?values[index]:undefined;assignFunc(result,props[index],value)}return result}function castArrayLikeObject(value){return isArrayLikeObject(value)?value:[]}function castFunction(value){return"function"==typeof value?value:identity}function castPath(value,object){return isArray(value)?value:isKey(value,object)?[value]:stringToPath(toString(value))}var castRest=baseRest;function castSlice(array,start,end){var length=array.length;return end=end===undefined?length:end,!start&&end>=length?array:baseSlice(array,start,end)}var clearTimeout=ctxClearTimeout||function(id){return root.clearTimeout(id)};function cloneBuffer(buffer,isDeep){if(isDeep)return buffer.slice();var length=buffer.length,result=allocUnsafe?allocUnsafe(length):new buffer.constructor(length);return buffer.copy(result),result}function cloneArrayBuffer(arrayBuffer){var result=new arrayBuffer.constructor(arrayBuffer.byteLength);return new Uint8Array(result).set(new Uint8Array(arrayBuffer)),result}function cloneTypedArray(typedArray,isDeep){var buffer=isDeep?cloneArrayBuffer(typedArray.buffer):typedArray.buffer;return new typedArray.constructor(buffer,typedArray.byteOffset,typedArray.length)}function compareAscending(value,other){if(value!==other){var valIsDefined=value!==undefined,valIsNull=null===value,valIsReflexive=value==value,valIsSymbol=isSymbol(value),othIsDefined=other!==undefined,othIsNull=null===other,othIsReflexive=other==other,othIsSymbol=isSymbol(other);if(!othIsNull&&!othIsSymbol&&!valIsSymbol&&value>other||valIsSymbol&&othIsDefined&&othIsReflexive&&!othIsNull&&!othIsSymbol||valIsNull&&othIsDefined&&othIsReflexive||!valIsDefined&&othIsReflexive||!valIsReflexive)return 1;if(!valIsNull&&!valIsSymbol&&!othIsSymbol&&value<other||othIsSymbol&&valIsDefined&&valIsReflexive&&!valIsNull&&!valIsSymbol||othIsNull&&valIsDefined&&valIsReflexive||!othIsDefined&&valIsReflexive||!othIsReflexive)return-1}return 0}function composeArgs(args,partials,holders,isCurried){for(var argsIndex=-1,argsLength=args.length,holdersLength=holders.length,leftIndex=-1,leftLength=partials.length,rangeLength=nativeMax(argsLength-holdersLength,0),result=Array(leftLength+rangeLength),isUncurried=!isCurried;++leftIndex<leftLength;)result[leftIndex]=partials[leftIndex];for(;++argsIndex<holdersLength;)(isUncurried||argsIndex<argsLength)&&(result[holders[argsIndex]]=args[argsIndex]);for(;rangeLength--;)result[leftIndex++]=args[argsIndex++];return result}function composeArgsRight(args,partials,holders,isCurried){for(var argsIndex=-1,argsLength=args.length,holdersIndex=-1,holdersLength=holders.length,rightIndex=-1,rightLength=partials.length,rangeLength=nativeMax(argsLength-holdersLength,0),result=Array(rangeLength+rightLength),isUncurried=!isCurried;++argsIndex<rangeLength;)result[argsIndex]=args[argsIndex];for(var offset=argsIndex;++rightIndex<rightLength;)result[offset+rightIndex]=partials[rightIndex];for(;++holdersIndex<holdersLength;)(isUncurried||argsIndex<argsLength)&&(result[offset+holders[holdersIndex]]=args[argsIndex++]);return result}function copyArray(source,array){var index=-1,length=source.length;for(array||(array=Array(length));++index<length;)array[index]=source[index];return array}function copyObject(source,props,object,customizer){var isNew=!object;object||(object={});for(var index=-1,length=props.length;++index<length;){var key=props[index],newValue=customizer?customizer(object[key],source[key],key,object,source):undefined;newValue===undefined&&(newValue=source[key]),isNew?baseAssignValue(object,key,newValue):assignValue(object,key,newValue)}return object}function createAggregator(setter,initializer){return function(collection,iteratee){var func=isArray(collection)?arrayAggregator:baseAggregator,accumulator=initializer?initializer():{};return func(collection,setter,getIteratee(iteratee,2),accumulator)}}function createAssigner(assigner){return baseRest(function(object,sources){var index=-1,length=sources.length,customizer=length>1?sources[length-1]:undefined,guard=length>2?sources[2]:undefined;for(customizer=assigner.length>3&&"function"==typeof customizer?(length--,customizer):undefined,guard&&isIterateeCall(sources[0],sources[1],guard)&&(customizer=length<3?undefined:customizer,length=1),object=Object(object);++index<length;){var source=sources[index];source&&assigner(object,source,index,customizer)}return object})}function createBaseEach(eachFunc,fromRight){return function(collection,iteratee){if(null==collection)return collection;if(!isArrayLike(collection))return eachFunc(collection,iteratee);for(var length=collection.length,index=fromRight?length:-1,iterable=Object(collection);(fromRight?index--:++index<length)&&!1!==iteratee(iterable[index],index,iterable););return collection}}function createBaseFor(fromRight){return function(object,iteratee,keysFunc){for(var index=-1,iterable=Object(object),props=keysFunc(object),length=props.length;length--;){var key=props[fromRight?length:++index];if(!1===iteratee(iterable[key],key,iterable))break}return object}}function createCaseFirst(methodName){return function(string){var strSymbols=hasUnicode(string=toString(string))?stringToArray(string):undefined,chr=strSymbols?strSymbols[0]:string.charAt(0),trailing=strSymbols?castSlice(strSymbols,1).join(""):string.slice(1);return chr[methodName]()+trailing}}function createCompounder(callback){return function(string){return arrayReduce(words(deburr(string).replace(reApos,"")),callback,"")}}function createCtor(Ctor){return function(){var args=arguments;switch(args.length){case 0:return new Ctor;case 1:return new Ctor(args[0]);case 2:return new Ctor(args[0],args[1]);case 3:return new Ctor(args[0],args[1],args[2]);case 4:return new Ctor(args[0],args[1],args[2],args[3]);case 5:return new Ctor(args[0],args[1],args[2],args[3],args[4]);case 6:return new Ctor(args[0],args[1],args[2],args[3],args[4],args[5]);case 7:return new Ctor(args[0],args[1],args[2],args[3],args[4],args[5],args[6])}var thisBinding=baseCreate(Ctor.prototype),result=Ctor.apply(thisBinding,args);return isObject(result)?result:thisBinding}}function createFind(findIndexFunc){return function(collection,predicate,fromIndex){var iterable=Object(collection);if(!isArrayLike(collection)){var iteratee=getIteratee(predicate,3);collection=keys(collection),predicate=function(key){return iteratee(iterable[key],key,iterable)}}var index=findIndexFunc(collection,predicate,fromIndex);return index>-1?iterable[iteratee?collection[index]:index]:undefined}}function createFlow(fromRight){return flatRest(function(funcs){var length=funcs.length,index=length,prereq=LodashWrapper.prototype.thru;for(fromRight&&funcs.reverse();index--;){var func=funcs[index];if("function"!=typeof func)throw new TypeError(FUNC_ERROR_TEXT);if(prereq&&!wrapper&&"wrapper"==getFuncName(func))var wrapper=new LodashWrapper([],!0)}for(index=wrapper?index:length;++index<length;){var funcName=getFuncName(func=funcs[index]),data="wrapper"==funcName?getData(func):undefined;wrapper=data&&isLaziable(data[0])&&data[1]==(WRAP_ARY_FLAG|WRAP_CURRY_FLAG|WRAP_PARTIAL_FLAG|WRAP_REARG_FLAG)&&!data[4].length&&1==data[9]?wrapper[getFuncName(data[0])].apply(wrapper,data[3]):1==func.length&&isLaziable(func)?wrapper[funcName]():wrapper.thru(func)}return function(){var args=arguments,value=args[0];if(wrapper&&1==args.length&&isArray(value))return wrapper.plant(value).value();for(var index=0,result=length?funcs[index].apply(this,args):value;++index<length;)result=funcs[index].call(this,result);return result}})}function createHybrid(func,bitmask,thisArg,partials,holders,partialsRight,holdersRight,argPos,ary,arity){var isAry=bitmask&WRAP_ARY_FLAG,isBind=bitmask&WRAP_BIND_FLAG,isBindKey=bitmask&WRAP_BIND_KEY_FLAG,isCurried=bitmask&(WRAP_CURRY_FLAG|WRAP_CURRY_RIGHT_FLAG),isFlip=bitmask&WRAP_FLIP_FLAG,Ctor=isBindKey?undefined:createCtor(func);return function wrapper(){for(var length=arguments.length,args=Array(length),index=length;index--;)args[index]=arguments[index];if(isCurried)var placeholder=getHolder(wrapper),holdersCount=function(array,placeholder){for(var length=array.length,result=0;length--;)array[length]===placeholder&&++result;return result}(args,placeholder);if(partials&&(args=composeArgs(args,partials,holders,isCurried)),partialsRight&&(args=composeArgsRight(args,partialsRight,holdersRight,isCurried)),length-=holdersCount,isCurried&&length<arity){var newHolders=replaceHolders(args,placeholder);return createRecurry(func,bitmask,createHybrid,wrapper.placeholder,thisArg,args,newHolders,argPos,ary,arity-length)}var thisBinding=isBind?thisArg:this,fn=isBindKey?thisBinding[func]:func;return length=args.length,argPos?args=function(array,indexes){for(var arrLength=array.length,length=nativeMin(indexes.length,arrLength),oldArray=copyArray(array);length--;){var index=indexes[length];array[length]=isIndex(index,arrLength)?oldArray[index]:undefined}return array}(args,argPos):isFlip&&length>1&&args.reverse(),isAry&&ary<length&&(args.length=ary),this&&this!==root&&this instanceof wrapper&&(fn=Ctor||createCtor(fn)),fn.apply(thisBinding,args)}}function createInverter(setter,toIteratee){return function(object,iteratee){return function(object,setter,iteratee,accumulator){return baseForOwn(object,function(value,key,object){setter(accumulator,iteratee(value),key,object)}),accumulator}(object,setter,toIteratee(iteratee),{})}}function createMathOperation(operator,defaultValue){return function(value,other){var result;if(value===undefined&&other===undefined)return defaultValue;if(value!==undefined&&(result=value),other!==undefined){if(result===undefined)return other;"string"==typeof value||"string"==typeof other?(value=baseToString(value),other=baseToString(other)):(value=baseToNumber(value),other=baseToNumber(other)),result=operator(value,other)}return result}}function createOver(arrayFunc){return flatRest(function(iteratees){return iteratees=arrayMap(iteratees,baseUnary(getIteratee())),baseRest(function(args){var thisArg=this;return arrayFunc(iteratees,function(iteratee){return apply(iteratee,thisArg,args)})})})}function createPadding(length,chars){var charsLength=(chars=chars===undefined?" ":baseToString(chars)).length;if(charsLength<2)return charsLength?baseRepeat(chars,length):chars;var result=baseRepeat(chars,nativeCeil(length/stringSize(chars)));return hasUnicode(chars)?castSlice(stringToArray(result),0,length).join(""):result.slice(0,length)}function createRange(fromRight){return function(start,end,step){return step&&"number"!=typeof step&&isIterateeCall(start,end,step)&&(end=step=undefined),start=toFinite(start),end===undefined?(end=start,start=0):end=toFinite(end),function(start,end,step,fromRight){for(var index=-1,length=nativeMax(nativeCeil((end-start)/(step||1)),0),result=Array(length);length--;)result[fromRight?length:++index]=start,start+=step;return result}(start,end,step=step===undefined?start<end?1:-1:toFinite(step),fromRight)}}function createRelationalOperation(operator){return function(value,other){return"string"==typeof value&&"string"==typeof other||(value=toNumber(value),other=toNumber(other)),operator(value,other)}}function createRecurry(func,bitmask,wrapFunc,placeholder,thisArg,partials,holders,argPos,ary,arity){var isCurry=bitmask&WRAP_CURRY_FLAG;bitmask|=isCurry?WRAP_PARTIAL_FLAG:WRAP_PARTIAL_RIGHT_FLAG,(bitmask&=~(isCurry?WRAP_PARTIAL_RIGHT_FLAG:WRAP_PARTIAL_FLAG))&WRAP_CURRY_BOUND_FLAG||(bitmask&=~(WRAP_BIND_FLAG|WRAP_BIND_KEY_FLAG));var newData=[func,bitmask,thisArg,isCurry?partials:undefined,isCurry?holders:undefined,isCurry?undefined:partials,isCurry?undefined:holders,argPos,ary,arity],result=wrapFunc.apply(undefined,newData);return isLaziable(func)&&setData(result,newData),result.placeholder=placeholder,setWrapToString(result,func,bitmask)}function createRound(methodName){var func=Math[methodName];return function(number,precision){if(number=toNumber(number),precision=null==precision?0:nativeMin(toInteger(precision),292)){var pair=(toString(number)+"e").split("e");return+((pair=(toString(func(pair[0]+"e"+(+pair[1]+precision)))+"e").split("e"))[0]+"e"+(+pair[1]-precision))}return func(number)}}var createSet=Set&&1/setToArray(new Set([,-0]))[1]==INFINITY?function(values){return new Set(values)}:noop;function createToPairs(keysFunc){return function(object){var tag=getTag(object);return tag==mapTag?mapToArray(object):tag==setTag?setToPairs(object):function(object,props){return arrayMap(props,function(key){return[key,object[key]]})}(object,keysFunc(object))}}function createWrap(func,bitmask,thisArg,partials,holders,argPos,ary,arity){var isBindKey=bitmask&WRAP_BIND_KEY_FLAG;if(!isBindKey&&"function"!=typeof func)throw new TypeError(FUNC_ERROR_TEXT);var length=partials?partials.length:0;if(length||(bitmask&=~(WRAP_PARTIAL_FLAG|WRAP_PARTIAL_RIGHT_FLAG),partials=holders=undefined),ary=ary===undefined?ary:nativeMax(toInteger(ary),0),arity=arity===undefined?arity:toInteger(arity),length-=holders?holders.length:0,bitmask&WRAP_PARTIAL_RIGHT_FLAG){var partialsRight=partials,holdersRight=holders;partials=holders=undefined}var data=isBindKey?undefined:getData(func),newData=[func,bitmask,thisArg,partials,holders,partialsRight,holdersRight,argPos,ary,arity];if(data&&function(data,source){var bitmask=data[1],srcBitmask=source[1],newBitmask=bitmask|srcBitmask,isCommon=newBitmask<(WRAP_BIND_FLAG|WRAP_BIND_KEY_FLAG|WRAP_ARY_FLAG),isCombo=srcBitmask==WRAP_ARY_FLAG&&bitmask==WRAP_CURRY_FLAG||srcBitmask==WRAP_ARY_FLAG&&bitmask==WRAP_REARG_FLAG&&data[7].length<=source[8]||srcBitmask==(WRAP_ARY_FLAG|WRAP_REARG_FLAG)&&source[7].length<=source[8]&&bitmask==WRAP_CURRY_FLAG;if(!isCommon&&!isCombo)return data;srcBitmask&WRAP_BIND_FLAG&&(data[2]=source[2],newBitmask|=bitmask&WRAP_BIND_FLAG?0:WRAP_CURRY_BOUND_FLAG);var value=source[3];if(value){var 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map(collection,iteratee){return(isArray(collection)?arrayMap:baseMap)(collection,getIteratee(iteratee,3))}var partition=createAggregator(function(result,value,key){result[key?0:1].push(value)},function(){return[[],[]]});var sortBy=baseRest(function(collection,iteratees){if(null==collection)return[];var length=iteratees.length;return length>1&&isIterateeCall(collection,iteratees[0],iteratees[1])?iteratees=[]:length>2&&isIterateeCall(iteratees[0],iteratees[1],iteratees[2])&&(iteratees=[iteratees[0]]),baseOrderBy(collection,baseFlatten(iteratees,1),[])}),now=ctxNow||function(){return root.Date.now()};function ary(func,n,guard){return n=guard?undefined:n,n=func&&null==n?func.length:n,createWrap(func,WRAP_ARY_FLAG,undefined,undefined,undefined,undefined,n)}function before(n,func){var result;if("function"!=typeof func)throw new TypeError(FUNC_ERROR_TEXT);return n=toInteger(n),function(){return--n>0&&(result=func.apply(this,arguments)),n<=1&&(func=undefined),result}}var bind=baseRest(function(func,thisArg,partials){var bitmask=WRAP_BIND_FLAG;if(partials.length){var holders=replaceHolders(partials,getHolder(bind));bitmask|=WRAP_PARTIAL_FLAG}return createWrap(func,bitmask,thisArg,partials,holders)}),bindKey=baseRest(function(object,key,partials){var bitmask=WRAP_BIND_FLAG|WRAP_BIND_KEY_FLAG;if(partials.length){var holders=replaceHolders(partials,getHolder(bindKey));bitmask|=WRAP_PARTIAL_FLAG}return createWrap(key,bitmask,object,partials,holders)});function debounce(func,wait,options){var lastArgs,lastThis,maxWait,result,timerId,lastCallTime,lastInvokeTime=0,leading=!1,maxing=!1,trailing=!0;if("function"!=typeof func)throw new TypeError(FUNC_ERROR_TEXT);wait=toNumber(wait)||0,isObject(options)&&(leading=!!options.leading,maxWait=(maxing="maxWait"in options)?nativeMax(toNumber(options.maxWait)||0,wait):maxWait,trailing="trailing"in options?!!options.trailing:trailing);function invokeFunc(time){var args=lastArgs,thisArg=lastThis;return 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LodashWrapper(wrapped,this.__chain__)}return this.thru(reverse)},lodash.prototype.toJSON=lodash.prototype.valueOf=lodash.prototype.value=function(){return baseWrapperValue(this.__wrapped__,this.__actions__)},lodash.prototype.first=lodash.prototype.head,symIterator&&(lodash.prototype[symIterator]=function(){return this}),lodash}();"function"==typeof define&&"object"==typeof define.amd&&define.amd?(root._=_,define(function(){return _})):freeModule?((freeModule.exports=_)._=_,freeExports._=_):root._=_}).call(this)}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{}],149:[function(require,module,exports){(function(Buffer){"use strict";var inherits=require("inherits"),HashBase=require("hash-base"),ARRAY16=new Array(16);function MD5(){HashBase.call(this,64),this._a=1732584193,this._b=4023233417,this._c=2562383102,this._d=271733878}inherits(MD5,HashBase),MD5.prototype._update=function(){for(var M=ARRAY16,i=0;i<16;++i)M[i]=this._block.readInt32LE(4*i);var a=this._a,b=this._b,c=this._c,d=this._d;b=fnI(b=fnI(b=fnI(b=fnI(b=fnH(b=fnH(b=fnH(b=fnH(b=fnG(b=fnG(b=fnG(b=fnG(b=fnF(b=fnF(b=fnF(b=fnF(b,c=fnF(c,d=fnF(d,a=fnF(a,b,c,d,M[0],3614090360,7),b,c,M[1],3905402710,12),a,b,M[2],606105819,17),d,a,M[3],3250441966,22),c=fnF(c,d=fnF(d,a=fnF(a,b,c,d,M[4],4118548399,7),b,c,M[5],1200080426,12),a,b,M[6],2821735955,17),d,a,M[7],4249261313,22),c=fnF(c,d=fnF(d,a=fnF(a,b,c,d,M[8],1770035416,7),b,c,M[9],2336552879,12),a,b,M[10],4294925233,17),d,a,M[11],2304563134,22),c=fnF(c,d=fnF(d,a=fnF(a,b,c,d,M[12],1804603682,7),b,c,M[13],4254626195,12),a,b,M[14],2792965006,17),d,a,M[15],1236535329,22),c=fnG(c,d=fnG(d,a=fnG(a,b,c,d,M[1],4129170786,5),b,c,M[6],3225465664,9),a,b,M[11],643717713,14),d,a,M[0],3921069994,20),c=fnG(c,d=fnG(d,a=fnG(a,b,c,d,M[5],3593408605,5),b,c,M[10],38016083,9),a,b,M[15],3634488961,14),d,a,M[4],3889429448,20),c=fnG(c,d=fnG(d,a=fnG(a,b,c,d,M[9],568446438,5),b,c,M[14],3275163606,9),a,b,M[3],4107603335,14),d,a,M[8],1163531501,20),c=fnG(c,d=fnG(d,a=fnG(a,b,c,d,M[13],2850285829,5),b,c,M[2],4243563512,9),a,b,M[7],1735328473,14),d,a,M[12],2368359562,20),c=fnH(c,d=fnH(d,a=fnH(a,b,c,d,M[5],4294588738,4),b,c,M[8],2272392833,11),a,b,M[11],1839030562,16),d,a,M[14],4259657740,23),c=fnH(c,d=fnH(d,a=fnH(a,b,c,d,M[1],2763975236,4),b,c,M[4],1272893353,11),a,b,M[7],4139469664,16),d,a,M[10],3200236656,23),c=fnH(c,d=fnH(d,a=fnH(a,b,c,d,M[13],681279174,4),b,c,M[0],3936430074,11),a,b,M[3],3572445317,16),d,a,M[6],76029189,23),c=fnH(c,d=fnH(d,a=fnH(a,b,c,d,M[9],3654602809,4),b,c,M[12],3873151461,11),a,b,M[15],530742520,16),d,a,M[2],3299628645,23),c=fnI(c,d=fnI(d,a=fnI(a,b,c,d,M[0],4096336452,6),b,c,M[7],1126891415,10),a,b,M[14],2878612391,15),d,a,M[5],4237533241,21),c=fnI(c,d=fnI(d,a=fnI(a,b,c,d,M[12],1700485571,6),b,c,M[3],2399980690,10),a,b,M[10],4293915773,15),d,a,M[1],2240044497,21),c=fnI(c,d=fnI(d,a=fnI(a,b,c,d,M[8],1873313359,6),b,c,M[15],4264355552,10),a,b,M[6],2734768916,15),d,a,M[13],1309151649,21),c=fnI(c,d=fnI(d,a=fnI(a,b,c,d,M[4],4149444226,6),b,c,M[11],3174756917,10),a,b,M[2],718787259,15),d,a,M[9],3951481745,21),this._a=this._a+a|0,this._b=this._b+b|0,this._c=this._c+c|0,this._d=this._d+d|0},MD5.prototype._digest=function(){this._block[this._blockOffset++]=128,this._blockOffset>56&&(this._block.fill(0,this._blockOffset,64),this._update(),this._blockOffset=0),this._block.fill(0,this._blockOffset,56),this._block.writeUInt32LE(this._length[0],56),this._block.writeUInt32LE(this._length[1],60),this._update();var buffer=new Buffer(16);return buffer.writeInt32LE(this._a,0),buffer.writeInt32LE(this._b,4),buffer.writeInt32LE(this._c,8),buffer.writeInt32LE(this._d,12),buffer};function rotl(x,n){return x<<n|x>>>32-n}function fnF(a,b,c,d,m,k,s){return rotl(a+(b&c|~b&d)+m+k|0,s)+b|0}function fnG(a,b,c,d,m,k,s){return rotl(a+(b&d|c&~d)+m+k|0,s)+b|0}function fnH(a,b,c,d,m,k,s){return rotl(a+(b^c^d)+m+k|0,s)+b|0}function fnI(a,b,c,d,m,k,s){return rotl(a+(c^(b|~d))+m+k|0,s)+b|0}module.exports=MD5}).call(this,require("buffer").Buffer)},{buffer:70,"hash-base":150,inherits:145}],150:[function(require,module,exports){"use strict";var Buffer=require("safe-buffer").Buffer,Transform=require("stream").Transform;function HashBase(blockSize){Transform.call(this),this._block=Buffer.allocUnsafe(blockSize),this._blockSize=blockSize,this._blockOffset=0,this._length=[0,0,0,0],this._finalized=!1}require("inherits")(HashBase,Transform),HashBase.prototype._transform=function(chunk,encoding,callback){var error=null;try{this.update(chunk,encoding)}catch(err){error=err}callback(error)},HashBase.prototype._flush=function(callback){var error=null;try{this.push(this.digest())}catch(err){error=err}callback(error)},HashBase.prototype.update=function(data,encoding){if(function(val,prefix){if(!Buffer.isBuffer(val)&&"string"!=typeof val)throw new TypeError(prefix+" must be a string or a buffer")}(data,"Data"),this._finalized)throw new Error("Digest already called");Buffer.isBuffer(data)||(data=Buffer.from(data,encoding));for(var block=this._block,offset=0;this._blockOffset+data.length-offset>=this._blockSize;){for(var i=this._blockOffset;i<this._blockSize;)block[i++]=data[offset++];this._update(),this._blockOffset=0}for(;offset<data.length;)block[this._blockOffset++]=data[offset++];for(var j=0,carry=8*data.length;carry>0;++j)this._length[j]+=carry,(carry=this._length[j]/4294967296|0)>0&&(this._length[j]-=4294967296*carry);return this},HashBase.prototype._update=function(){throw new Error("_update is not implemented")},HashBase.prototype.digest=function(encoding){if(this._finalized)throw new Error("Digest already called");this._finalized=!0;var digest=this._digest();void 0!==encoding&&(digest=digest.toString(encoding)),this._block.fill(0),this._blockOffset=0;for(var i=0;i<4;++i)this._length[i]=0;return digest},HashBase.prototype._digest=function(){throw new Error("_digest is not implemented")},module.exports=HashBase},{inherits:145,"safe-buffer":195,stream:204}],151:[function(require,module,exports){var bn=require("bn.js"),brorand=require("brorand");function MillerRabin(rand){this.rand=rand||new brorand.Rand}module.exports=MillerRabin,MillerRabin.create=function(rand){return new MillerRabin(rand)},MillerRabin.prototype._randbelow=function(n){var len=n.bitLength(),min_bytes=Math.ceil(len/8);do{var a=new bn(this.rand.generate(min_bytes))}while(a.cmp(n)>=0);return a},MillerRabin.prototype._randrange=function(start,stop){var size=stop.sub(start);return start.add(this._randbelow(size))},MillerRabin.prototype.test=function(n,k,cb){var len=n.bitLength(),red=bn.mont(n),rone=new bn(1).toRed(red);k||(k=Math.max(1,len/48|0));for(var n1=n.subn(1),s=0;!n1.testn(s);s++);for(var d=n.shrn(s),rn1=n1.toRed(red);k>0;k--){var a=this._randrange(new bn(2),n1);cb&&cb(a);var x=a.toRed(red).redPow(d);if(0!==x.cmp(rone)&&0!==x.cmp(rn1)){for(var i=1;i<s;i++){if(0===(x=x.redSqr()).cmp(rone))return!1;if(0===x.cmp(rn1))break}if(i===s)return!1}}return!0},MillerRabin.prototype.getDivisor=function(n,k){var len=n.bitLength(),red=bn.mont(n),rone=new bn(1).toRed(red);k||(k=Math.max(1,len/48|0));for(var n1=n.subn(1),s=0;!n1.testn(s);s++);for(var d=n.shrn(s),rn1=n1.toRed(red);k>0;k--){var a=this._randrange(new bn(2),n1),g=n.gcd(a);if(0!==g.cmpn(1))return g;var x=a.toRed(red).redPow(d);if(0!==x.cmp(rone)&&0!==x.cmp(rn1)){for(var i=1;i<s;i++){if(0===(x=x.redSqr()).cmp(rone))return x.fromRed().subn(1).gcd(n);if(0===x.cmp(rn1))break}if(i===s)return(x=x.redSqr()).fromRed().subn(1).gcd(n)}}return!1}},{"bn.js":152,brorand:20}],152:[function(require,module,exports){arguments[4][15][0].apply(exports,arguments)},{buffer:21,dup:15}],153:[function(require,module,exports){module.exports=assert;function assert(val,msg){if(!val)throw new Error(msg||"Assertion failed")}assert.equal=function(l,r,msg){if(l!=r)throw new Error(msg||"Assertion failed: "+l+" != "+r)}},{}],154:[function(require,module,exports){"use strict";var utils=exports;utils.toArray=function(msg,enc){if(Array.isArray(msg))return msg.slice();if(!msg)return[];var res=[];if("string"!=typeof msg){for(var i=0;i<msg.length;i++)res[i]=0|msg[i];return res}if("hex"===enc)for((msg=msg.replace(/[^a-z0-9]+/gi,"")).length%2!=0&&(msg="0"+msg),i=0;i<msg.length;i+=2)res.push(parseInt(msg[i]+msg[i+1],16));else for(i=0;i<msg.length;i++){var c=msg.charCodeAt(i),hi=c>>8,lo=255&c;hi?res.push(hi,lo):res.push(lo)}return res};function zero2(word){return 1===word.length?"0"+word:word}utils.zero2=zero2;function toHex(msg){for(var res="",i=0;i<msg.length;i++)res+=zero2(msg[i].toString(16));return res}utils.toHex=toHex,utils.encode=function(arr,enc){return"hex"===enc?toHex(arr):arr}},{}],155:[function(require,module,exports){module.exports={"2.16.840.1.101.3.4.1.1":"aes-128-ecb","2.16.840.1.101.3.4.1.2":"aes-128-cbc","2.16.840.1.101.3.4.1.3":"aes-128-ofb","2.16.840.1.101.3.4.1.4":"aes-128-cfb","2.16.840.1.101.3.4.1.21":"aes-192-ecb","2.16.840.1.101.3.4.1.22":"aes-192-cbc","2.16.840.1.101.3.4.1.23":"aes-192-ofb","2.16.840.1.101.3.4.1.24":"aes-192-cfb","2.16.840.1.101.3.4.1.41":"aes-256-ecb","2.16.840.1.101.3.4.1.42":"aes-256-cbc","2.16.840.1.101.3.4.1.43":"aes-256-ofb","2.16.840.1.101.3.4.1.44":"aes-256-cfb"}},{}],156:[function(require,module,exports){"use strict";var asn1=require("asn1.js");exports.certificate=require("./certificate");var RSAPrivateKey=asn1.define("RSAPrivateKey",function(){this.seq().obj(this.key("version").int(),this.key("modulus").int(),this.key("publicExponent").int(),this.key("privateExponent").int(),this.key("prime1").int(),this.key("prime2").int(),this.key("exponent1").int(),this.key("exponent2").int(),this.key("coefficient").int())});exports.RSAPrivateKey=RSAPrivateKey;var RSAPublicKey=asn1.define("RSAPublicKey",function(){this.seq().obj(this.key("modulus").int(),this.key("publicExponent").int())});exports.RSAPublicKey=RSAPublicKey;var PublicKey=asn1.define("SubjectPublicKeyInfo",function(){this.seq().obj(this.key("algorithm").use(AlgorithmIdentifier),this.key("subjectPublicKey").bitstr())});exports.PublicKey=PublicKey;var AlgorithmIdentifier=asn1.define("AlgorithmIdentifier",function(){this.seq().obj(this.key("algorithm").objid(),this.key("none").null_().optional(),this.key("curve").objid().optional(),this.key("params").seq().obj(this.key("p").int(),this.key("q").int(),this.key("g").int()).optional())}),PrivateKeyInfo=asn1.define("PrivateKeyInfo",function(){this.seq().obj(this.key("version").int(),this.key("algorithm").use(AlgorithmIdentifier),this.key("subjectPrivateKey").octstr())});exports.PrivateKey=PrivateKeyInfo;var EncryptedPrivateKeyInfo=asn1.define("EncryptedPrivateKeyInfo",function(){this.seq().obj(this.key("algorithm").seq().obj(this.key("id").objid(),this.key("decrypt").seq().obj(this.key("kde").seq().obj(this.key("id").objid(),this.key("kdeparams").seq().obj(this.key("salt").octstr(),this.key("iters").int())),this.key("cipher").seq().obj(this.key("algo").objid(),this.key("iv").octstr()))),this.key("subjectPrivateKey").octstr())});exports.EncryptedPrivateKey=EncryptedPrivateKeyInfo;var DSAPrivateKey=asn1.define("DSAPrivateKey",function(){this.seq().obj(this.key("version").int(),this.key("p").int(),this.key("q").int(),this.key("g").int(),this.key("pub_key").int(),this.key("priv_key").int())});exports.DSAPrivateKey=DSAPrivateKey,exports.DSAparam=asn1.define("DSAparam",function(){this.int()});var ECPrivateKey=asn1.define("ECPrivateKey",function(){this.seq().obj(this.key("version").int(),this.key("privateKey").octstr(),this.key("parameters").optional().explicit(0).use(ECParameters),this.key("publicKey").optional().explicit(1).bitstr())});exports.ECPrivateKey=ECPrivateKey;var ECParameters=asn1.define("ECParameters",function(){this.choice({namedCurve:this.objid()})});exports.signature=asn1.define("signature",function(){this.seq().obj(this.key("r").int(),this.key("s").int())})},{"./certificate":157,"asn1.js":1}],157:[function(require,module,exports){"use strict";var asn=require("asn1.js"),Time=asn.define("Time",function(){this.choice({utcTime:this.utctime(),generalTime:this.gentime()})}),AttributeTypeValue=asn.define("AttributeTypeValue",function(){this.seq().obj(this.key("type").objid(),this.key("value").any())}),AlgorithmIdentifier=asn.define("AlgorithmIdentifier",function(){this.seq().obj(this.key("algorithm").objid(),this.key("parameters").optional())}),SubjectPublicKeyInfo=asn.define("SubjectPublicKeyInfo",function(){this.seq().obj(this.key("algorithm").use(AlgorithmIdentifier),this.key("subjectPublicKey").bitstr())}),RelativeDistinguishedName=asn.define("RelativeDistinguishedName",function(){this.setof(AttributeTypeValue)}),RDNSequence=asn.define("RDNSequence",function(){this.seqof(RelativeDistinguishedName)}),Name=asn.define("Name",function(){this.choice({rdnSequence:this.use(RDNSequence)})}),Validity=asn.define("Validity",function(){this.seq().obj(this.key("notBefore").use(Time),this.key("notAfter").use(Time))}),Extension=asn.define("Extension",function(){this.seq().obj(this.key("extnID").objid(),this.key("critical").bool().def(!1),this.key("extnValue").octstr())}),TBSCertificate=asn.define("TBSCertificate",function(){this.seq().obj(this.key("version").explicit(0).int(),this.key("serialNumber").int(),this.key("signature").use(AlgorithmIdentifier),this.key("issuer").use(Name),this.key("validity").use(Validity),this.key("subject").use(Name),this.key("subjectPublicKeyInfo").use(SubjectPublicKeyInfo),this.key("issuerUniqueID").implicit(1).bitstr().optional(),this.key("subjectUniqueID").implicit(2).bitstr().optional(),this.key("extensions").explicit(3).seqof(Extension).optional())}),X509Certificate=asn.define("X509Certificate",function(){this.seq().obj(this.key("tbsCertificate").use(TBSCertificate),this.key("signatureAlgorithm").use(AlgorithmIdentifier),this.key("signatureValue").bitstr())});module.exports=X509Certificate},{"asn1.js":1}],158:[function(require,module,exports){(function(Buffer){var findProc=/Proc-Type: 4,ENCRYPTED\n\r?DEK-Info: AES-((?:128)|(?:192)|(?:256))-CBC,([0-9A-H]+)\n\r?\n\r?([0-9A-z\n\r\+\/\=]+)\n\r?/m,startRegex=/^-----BEGIN ((?:.* KEY)|CERTIFICATE)-----\n/m,fullRegex=/^-----BEGIN ((?:.* KEY)|CERTIFICATE)-----\n\r?([0-9A-z\n\r\+\/\=]+)\n\r?-----END \1-----$/m,evp=require("evp_bytestokey"),ciphers=require("browserify-aes");module.exports=function(okey,password){var decrypted,key=okey.toString(),match=key.match(findProc);if(match){var suite="aes"+match[1],iv=new Buffer(match[2],"hex"),cipherText=new Buffer(match[3].replace(/\r?\n/g,""),"base64"),cipherKey=evp(password,iv.slice(0,8),parseInt(match[1],10)).key,out=[],cipher=ciphers.createDecipheriv(suite,cipherKey,iv);out.push(cipher.update(cipherText)),out.push(cipher.final()),decrypted=Buffer.concat(out)}else{var match2=key.match(fullRegex);decrypted=new Buffer(match2[2].replace(/\r?\n/g,""),"base64")}return{tag:key.match(startRegex)[1],data:decrypted}}}).call(this,require("buffer").Buffer)},{"browserify-aes":24,buffer:70,evp_bytestokey:127}],159:[function(require,module,exports){(function(Buffer){var asn1=require("./asn1"),aesid=require("./aesid.json"),fixProc=require("./fixProc"),ciphers=require("browserify-aes"),compat=require("pbkdf2");module.exports=parseKeys;function parseKeys(buffer){var password;"object"!=typeof buffer||Buffer.isBuffer(buffer)||(password=buffer.passphrase,buffer=buffer.key),"string"==typeof buffer&&(buffer=new Buffer(buffer));var subtype,ndata,stripped=fixProc(buffer,password),type=stripped.tag,data=stripped.data;switch(type){case"CERTIFICATE":ndata=asn1.certificate.decode(data,"der").tbsCertificate.subjectPublicKeyInfo;case"PUBLIC KEY":switch(ndata||(ndata=asn1.PublicKey.decode(data,"der")),subtype=ndata.algorithm.algorithm.join(".")){case"1.2.840.113549.1.1.1":return asn1.RSAPublicKey.decode(ndata.subjectPublicKey.data,"der");case"1.2.840.10045.2.1":return ndata.subjectPrivateKey=ndata.subjectPublicKey,{type:"ec",data:ndata};case"1.2.840.10040.4.1":return ndata.algorithm.params.pub_key=asn1.DSAparam.decode(ndata.subjectPublicKey.data,"der"),{type:"dsa",data:ndata.algorithm.params};default:throw new Error("unknown key id "+subtype)}throw new Error("unknown key type "+type);case"ENCRYPTED PRIVATE KEY":data=function(data,password){var salt=data.algorithm.decrypt.kde.kdeparams.salt,iters=parseInt(data.algorithm.decrypt.kde.kdeparams.iters.toString(),10),algo=aesid[data.algorithm.decrypt.cipher.algo.join(".")],iv=data.algorithm.decrypt.cipher.iv,cipherText=data.subjectPrivateKey,keylen=parseInt(algo.split("-")[1],10)/8,key=compat.pbkdf2Sync(password,salt,iters,keylen),cipher=ciphers.createDecipheriv(algo,key,iv),out=[];return out.push(cipher.update(cipherText)),out.push(cipher.final()),Buffer.concat(out)}(data=asn1.EncryptedPrivateKey.decode(data,"der"),password);case"PRIVATE KEY":switch(subtype=(ndata=asn1.PrivateKey.decode(data,"der")).algorithm.algorithm.join(".")){case"1.2.840.113549.1.1.1":return asn1.RSAPrivateKey.decode(ndata.subjectPrivateKey,"der");case"1.2.840.10045.2.1":return{curve:ndata.algorithm.curve,privateKey:asn1.ECPrivateKey.decode(ndata.subjectPrivateKey,"der").privateKey};case"1.2.840.10040.4.1":return ndata.algorithm.params.priv_key=asn1.DSAparam.decode(ndata.subjectPrivateKey,"der"),{type:"dsa",params:ndata.algorithm.params};default:throw new Error("unknown key id "+subtype)}throw new Error("unknown key type "+type);case"RSA PUBLIC KEY":return asn1.RSAPublicKey.decode(data,"der");case"RSA PRIVATE KEY":return asn1.RSAPrivateKey.decode(data,"der");case"DSA PRIVATE KEY":return{type:"dsa",params:asn1.DSAPrivateKey.decode(data,"der")};case"EC PRIVATE KEY":return{curve:(data=asn1.ECPrivateKey.decode(data,"der")).parameters.value,privateKey:data.privateKey};default:throw new Error("unknown key type "+type)}}parseKeys.signature=asn1.signature}).call(this,require("buffer").Buffer)},{"./aesid.json":155,"./asn1":156,"./fixProc":158,"browserify-aes":24,buffer:70,pbkdf2:160}],160:[function(require,module,exports){exports.pbkdf2=require("./lib/async"),exports.pbkdf2Sync=require("./lib/sync")},{"./lib/async":161,"./lib/sync":164}],161:[function(require,module,exports){(function(process,global){var ZERO_BUF,checkParameters=require("./precondition"),defaultEncoding=require("./default-encoding"),sync=require("./sync"),Buffer=require("safe-buffer").Buffer,subtle=global.crypto&&global.crypto.subtle,toBrowser={sha:"SHA-1","sha-1":"SHA-1",sha1:"SHA-1",sha256:"SHA-256","sha-256":"SHA-256",sha384:"SHA-384","sha-384":"SHA-384","sha-512":"SHA-512",sha512:"SHA-512"},checks=[];function browserPbkdf2(password,salt,iterations,length,algo){return subtle.importKey("raw",password,{name:"PBKDF2"},!1,["deriveBits"]).then(function(key){return subtle.deriveBits({name:"PBKDF2",salt:salt,iterations:iterations,hash:{name:algo}},key,length<<3)}).then(function(res){return Buffer.from(res)})}module.exports=function(password,salt,iterations,keylen,digest,callback){if(Buffer.isBuffer(password)||(password=Buffer.from(password,defaultEncoding)),Buffer.isBuffer(salt)||(salt=Buffer.from(salt,defaultEncoding)),checkParameters(iterations,keylen),"function"==typeof digest&&(callback=digest,digest=void 0),"function"!=typeof callback)throw new Error("No callback provided to pbkdf2");var algo=toBrowser[(digest=digest||"sha1").toLowerCase()];if(!algo||"function"!=typeof global.Promise)return process.nextTick(function(){var out;try{out=sync(password,salt,iterations,keylen,digest)}catch(e){return callback(e)}callback(null,out)});!function(promise,callback){promise.then(function(out){process.nextTick(function(){callback(null,out)})},function(e){process.nextTick(function(){callback(e)})})}(function(algo){if(global.process&&!global.process.browser)return Promise.resolve(!1);if(!subtle||!subtle.importKey||!subtle.deriveBits)return Promise.resolve(!1);if(void 0!==checks[algo])return checks[algo];var prom=browserPbkdf2(ZERO_BUF=ZERO_BUF||Buffer.alloc(8),ZERO_BUF,10,128,algo).then(function(){return!0}).catch(function(){return!1});return checks[algo]=prom,prom}(algo).then(function(resp){return resp?browserPbkdf2(password,salt,iterations,keylen,algo):sync(password,salt,iterations,keylen,digest)}),callback)}}).call(this,require("_process"),"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./default-encoding":162,"./precondition":163,"./sync":164,_process:166,"safe-buffer":195}],162:[function(require,module,exports){(function(process){var defaultEncoding;if(process.browser)defaultEncoding="utf-8";else{defaultEncoding=parseInt(process.version.split(".")[0].slice(1),10)>=6?"utf-8":"binary"}module.exports=defaultEncoding}).call(this,require("_process"))},{_process:166}],163:[function(require,module,exports){var MAX_ALLOC=Math.pow(2,30)-1;module.exports=function(iterations,keylen){if("number"!=typeof iterations)throw new TypeError("Iterations not a number");if(iterations<0)throw new TypeError("Bad iterations");if("number"!=typeof keylen)throw new TypeError("Key length not a number");if(keylen<0||keylen>MAX_ALLOC||keylen!=keylen)throw new TypeError("Bad key length")}},{}],164:[function(require,module,exports){var md5=require("create-hash/md5"),rmd160=require("ripemd160"),sha=require("sha.js"),checkParameters=require("./precondition"),defaultEncoding=require("./default-encoding"),Buffer=require("safe-buffer").Buffer,ZEROS=Buffer.alloc(128),sizes={md5:16,sha1:20,sha224:28,sha256:32,sha384:48,sha512:64,rmd160:20,ripemd160:20};function Hmac(alg,key,saltLen){var hash=function(alg){return"rmd160"===alg||"ripemd160"===alg?rmd160:"md5"===alg?md5:function(data){return sha(alg).update(data).digest()}}(alg),blocksize="sha512"===alg||"sha384"===alg?128:64;key.length>blocksize?key=hash(key):key.length<blocksize&&(key=Buffer.concat([key,ZEROS],blocksize));for(var ipad=Buffer.allocUnsafe(blocksize+sizes[alg]),opad=Buffer.allocUnsafe(blocksize+sizes[alg]),i=0;i<blocksize;i++)ipad[i]=54^key[i],opad[i]=92^key[i];var ipad1=Buffer.allocUnsafe(blocksize+saltLen+4);ipad.copy(ipad1,0,0,blocksize),this.ipad1=ipad1,this.ipad2=ipad,this.opad=opad,this.alg=alg,this.blocksize=blocksize,this.hash=hash,this.size=sizes[alg]}Hmac.prototype.run=function(data,ipad){data.copy(ipad,this.blocksize);return this.hash(ipad).copy(this.opad,this.blocksize),this.hash(this.opad)};module.exports=function(password,salt,iterations,keylen,digest){Buffer.isBuffer(password)||(password=Buffer.from(password,defaultEncoding)),Buffer.isBuffer(salt)||(salt=Buffer.from(salt,defaultEncoding)),checkParameters(iterations,keylen);var hmac=new Hmac(digest=digest||"sha1",password,salt.length),DK=Buffer.allocUnsafe(keylen),block1=Buffer.allocUnsafe(salt.length+4);salt.copy(block1,0,0,salt.length);for(var destPos=0,hLen=sizes[digest],l=Math.ceil(keylen/hLen),i=1;i<=l;i++){block1.writeUInt32BE(i,salt.length);for(var T=hmac.run(block1,hmac.ipad1),U=T,j=1;j<iterations;j++){U=hmac.run(U,hmac.ipad2);for(var k=0;k<hLen;k++)T[k]^=U[k]}T.copy(DK,destPos),destPos+=hLen}return DK}},{"./default-encoding":162,"./precondition":163,"create-hash/md5":97,ripemd160:194,"safe-buffer":195,"sha.js":197}],165:[function(require,module,exports){(function(process){"use strict";!process.version||0===process.version.indexOf("v0.")||0===process.version.indexOf("v1.")&&0!==process.version.indexOf("v1.8.")?module.exports=function(fn,arg1,arg2,arg3){if("function"!=typeof fn)throw new TypeError('"callback" argument must be a function');var args,i,len=arguments.length;switch(len){case 0:case 1:return process.nextTick(fn);case 2:return process.nextTick(function(){fn.call(null,arg1)});case 3:return process.nextTick(function(){fn.call(null,arg1,arg2)});case 4:return process.nextTick(function(){fn.call(null,arg1,arg2,arg3)});default:for(args=new Array(len-1),i=0;i<args.length;)args[i++]=arguments[i];return process.nextTick(function(){fn.apply(null,args)})}}:module.exports=process.nextTick}).call(this,require("_process"))},{_process:166}],166:[function(require,module,exports){var cachedSetTimeout,cachedClearTimeout,process=module.exports={};function defaultSetTimout(){throw new Error("setTimeout has not been defined")}function defaultClearTimeout(){throw new Error("clearTimeout has not been defined")}!function(){try{cachedSetTimeout="function"==typeof setTimeout?setTimeout:defaultSetTimout}catch(e){cachedSetTimeout=defaultSetTimout}try{cachedClearTimeout="function"==typeof clearTimeout?clearTimeout:defaultClearTimeout}catch(e){cachedClearTimeout=defaultClearTimeout}}();function runTimeout(fun){if(cachedSetTimeout===setTimeout)return setTimeout(fun,0);if((cachedSetTimeout===defaultSetTimout||!cachedSetTimeout)&&setTimeout)return cachedSetTimeout=setTimeout,setTimeout(fun,0);try{return cachedSetTimeout(fun,0)}catch(e){try{return cachedSetTimeout.call(null,fun,0)}catch(e){return cachedSetTimeout.call(this,fun,0)}}}var currentQueue,queue=[],draining=!1,queueIndex=-1;function cleanUpNextTick(){draining&&currentQueue&&(draining=!1,currentQueue.length?queue=currentQueue.concat(queue):queueIndex=-1,queue.length&&drainQueue())}function drainQueue(){if(!draining){var timeout=runTimeout(cleanUpNextTick);draining=!0;for(var len=queue.length;len;){for(currentQueue=queue,queue=[];++queueIndex<len;)currentQueue&&currentQueue[queueIndex].run();queueIndex=-1,len=queue.length}currentQueue=null,draining=!1,function(marker){if(cachedClearTimeout===clearTimeout)return clearTimeout(marker);if((cachedClearTimeout===defaultClearTimeout||!cachedClearTimeout)&&clearTimeout)return cachedClearTimeout=clearTimeout,clearTimeout(marker);try{cachedClearTimeout(marker)}catch(e){try{return cachedClearTimeout.call(null,marker)}catch(e){return cachedClearTimeout.call(this,marker)}}}(timeout)}}process.nextTick=function(fun){var args=new Array(arguments.length-1);if(arguments.length>1)for(var i=1;i<arguments.length;i++)args[i-1]=arguments[i];queue.push(new Item(fun,args)),1!==queue.length||draining||runTimeout(drainQueue)};function Item(fun,array){this.fun=fun,this.array=array}Item.prototype.run=function(){this.fun.apply(null,this.array)},process.title="browser",process.browser=!0,process.env={},process.argv=[],process.version="",process.versions={};function noop(){}process.on=noop,process.addListener=noop,process.once=noop,process.off=noop,process.removeListener=noop,process.removeAllListeners=noop,process.emit=noop,process.prependListener=noop,process.prependOnceListener=noop,process.listeners=function(name){return[]},process.binding=function(name){throw new Error("process.binding is not supported")},process.cwd=function(){return"/"},process.chdir=function(dir){throw new Error("process.chdir is not supported")},process.umask=function(){return 0}},{}],167:[function(require,module,exports){exports.publicEncrypt=require("./publicEncrypt"),exports.privateDecrypt=require("./privateDecrypt"),exports.privateEncrypt=function(key,buf){return exports.publicEncrypt(key,buf,!0)},exports.publicDecrypt=function(key,buf){return exports.privateDecrypt(key,buf,!0)}},{"./privateDecrypt":170,"./publicEncrypt":171}],168:[function(require,module,exports){(function(Buffer){var createHash=require("create-hash");module.exports=function(seed,len){for(var c,t=new Buffer(""),i=0;t.length<len;)c=i2ops(i++),t=Buffer.concat([t,createHash("sha1").update(seed).update(c).digest()]);return t.slice(0,len)};function i2ops(c){var out=new Buffer(4);return out.writeUInt32BE(c,0),out}}).call(this,require("buffer").Buffer)},{buffer:70,"create-hash":95}],169:[function(require,module,exports){arguments[4][15][0].apply(exports,arguments)},{buffer:21,dup:15}],170:[function(require,module,exports){(function(Buffer){var parseKeys=require("parse-asn1"),mgf=require("./mgf"),xor=require("./xor"),bn=require("bn.js"),crt=require("browserify-rsa"),createHash=require("create-hash"),withPublic=require("./withPublic");module.exports=function(private_key,enc,reverse){var padding;padding=private_key.padding?private_key.padding:reverse?1:4;var key=parseKeys(private_key),k=key.modulus.byteLength();if(enc.length>k||new bn(enc).cmp(key.modulus)>=0)throw new Error("decryption error");var msg;msg=reverse?withPublic(new bn(enc),key):crt(enc,key);var zBuffer=new Buffer(k-msg.length);if(zBuffer.fill(0),msg=Buffer.concat([zBuffer,msg],k),4===padding)return function(key,msg){key.modulus;var k=key.modulus.byteLength(),iHash=(msg.length,createHash("sha1").update(new Buffer("")).digest()),hLen=iHash.length;if(0!==msg[0])throw new Error("decryption error");var maskedSeed=msg.slice(1,hLen+1),maskedDb=msg.slice(hLen+1),seed=xor(maskedSeed,mgf(maskedDb,hLen)),db=xor(maskedDb,mgf(seed,k-hLen-1));if(function(a,b){a=new Buffer(a),b=new Buffer(b);var dif=0,len=a.length;a.length!==b.length&&(dif++,len=Math.min(a.length,b.length));var i=-1;for(;++i<len;)dif+=a[i]^b[i];return dif}(iHash,db.slice(0,hLen)))throw new Error("decryption error");var i=hLen;for(;0===db[i];)i++;if(1!==db[i++])throw new Error("decryption error");return db.slice(i)}(key,msg);if(1===padding)return function(key,msg,reverse){var p1=msg.slice(0,2),i=2,status=0;for(;0!==msg[i++];)if(i>=msg.length){status++;break}var ps=msg.slice(2,i-1);msg.slice(i-1,i);("0002"!==p1.toString("hex")&&!reverse||"0001"!==p1.toString("hex")&&reverse)&&status++;ps.length<8&&status++;if(status)throw new Error("decryption error");return msg.slice(i)}(0,msg,reverse);if(3===padding)return msg;throw new Error("unknown padding")}}).call(this,require("buffer").Buffer)},{"./mgf":168,"./withPublic":172,"./xor":173,"bn.js":169,"browserify-rsa":42,buffer:70,"create-hash":95,"parse-asn1":159}],171:[function(require,module,exports){(function(Buffer){var parseKeys=require("parse-asn1"),randomBytes=require("randombytes"),createHash=require("create-hash"),mgf=require("./mgf"),xor=require("./xor"),bn=require("bn.js"),withPublic=require("./withPublic"),crt=require("browserify-rsa");module.exports=function(public_key,msg,reverse){var padding;padding=public_key.padding?public_key.padding:reverse?1:4;var paddedMsg,key=parseKeys(public_key);if(4===padding)paddedMsg=function(key,msg){var k=key.modulus.byteLength(),mLen=msg.length,iHash=createHash("sha1").update(new Buffer("")).digest(),hLen=iHash.length,hLen2=2*hLen;if(mLen>k-hLen2-2)throw new Error("message too long");var ps=new Buffer(k-mLen-hLen2-2);ps.fill(0);var dblen=k-hLen-1,seed=randomBytes(hLen),maskedDb=xor(Buffer.concat([iHash,ps,new Buffer([1]),msg],dblen),mgf(seed,dblen)),maskedSeed=xor(seed,mgf(maskedDb,hLen));return new bn(Buffer.concat([new Buffer([0]),maskedSeed,maskedDb],k))}(key,msg);else if(1===padding)paddedMsg=function(key,msg,reverse){var mLen=msg.length,k=key.modulus.byteLength();if(mLen>k-11)throw new Error("message too long");var ps;reverse?(ps=new Buffer(k-mLen-3)).fill(255):ps=function(len,crypto){var num,out=new Buffer(len),i=0,cache=randomBytes(2*len),cur=0;for(;i<len;)cur===cache.length&&(cache=randomBytes(2*len),cur=0),(num=cache[cur++])&&(out[i++]=num);return out}(k-mLen-3);return new bn(Buffer.concat([new Buffer([0,reverse?1:2]),ps,new Buffer([0]),msg],k))}(key,msg,reverse);else{if(3!==padding)throw new Error("unknown padding");if((paddedMsg=new bn(msg)).cmp(key.modulus)>=0)throw new Error("data too long for modulus")}return reverse?crt(paddedMsg,key):withPublic(paddedMsg,key)}}).call(this,require("buffer").Buffer)},{"./mgf":168,"./withPublic":172,"./xor":173,"bn.js":169,"browserify-rsa":42,buffer:70,"create-hash":95,"parse-asn1":159,randombytes:178}],172:[function(require,module,exports){(function(Buffer){var bn=require("bn.js");module.exports=function(paddedMsg,key){return new Buffer(paddedMsg.toRed(bn.mont(key.modulus)).redPow(new bn(key.publicExponent)).fromRed().toArray())}}).call(this,require("buffer").Buffer)},{"bn.js":169,buffer:70}],173:[function(require,module,exports){module.exports=function(a,b){for(var len=a.length,i=-1;++i<len;)a[i]^=b[i];return a}},{}],174:[function(require,module,exports){(function(global){!function(root){var freeExports="object"==typeof exports&&exports&&!exports.nodeType&&exports,freeModule="object"==typeof module&&module&&!module.nodeType&&module,freeGlobal="object"==typeof global&&global;freeGlobal.global!==freeGlobal&&freeGlobal.window!==freeGlobal&&freeGlobal.self!==freeGlobal||(root=freeGlobal);var punycode,key,maxInt=2147483647,base=36,tMin=1,tMax=26,skew=38,damp=700,initialBias=72,initialN=128,delimiter="-",regexPunycode=/^xn--/,regexNonASCII=/[^\x20-\x7E]/,regexSeparators=/[\x2E\u3002\uFF0E\uFF61]/g,errors={overflow:"Overflow: input needs wider integers to process","not-basic":"Illegal input >= 0x80 (not a basic code point)","invalid-input":"Invalid input"},baseMinusTMin=base-tMin,floor=Math.floor,stringFromCharCode=String.fromCharCode;function error(type){throw new RangeError(errors[type])}function map(array,fn){for(var length=array.length,result=[];length--;)result[length]=fn(array[length]);return result}function mapDomain(string,fn){var parts=string.split("@"),result="";parts.length>1&&(result=parts[0]+"@",string=parts[1]);return result+map((string=string.replace(regexSeparators,".")).split("."),fn).join(".")}function ucs2decode(string){for(var value,extra,output=[],counter=0,length=string.length;counter<length;)(value=string.charCodeAt(counter++))>=55296&&value<=56319&&counter<length?56320==(64512&(extra=string.charCodeAt(counter++)))?output.push(((1023&value)<<10)+(1023&extra)+65536):(output.push(value),counter--):output.push(value);return output}function ucs2encode(array){return map(array,function(value){var output="";return value>65535&&(output+=stringFromCharCode((value-=65536)>>>10&1023|55296),value=56320|1023&value),output+=stringFromCharCode(value)}).join("")}function digitToBasic(digit,flag){return digit+22+75*(digit<26)-((0!=flag)<<5)}function adapt(delta,numPoints,firstTime){var k=0;for(delta=firstTime?floor(delta/damp):delta>>1,delta+=floor(delta/numPoints);delta>baseMinusTMin*tMax>>1;k+=base)delta=floor(delta/baseMinusTMin);return floor(k+(baseMinusTMin+1)*delta/(delta+skew))}function decode(input){var out,basic,j,index,oldi,w,k,digit,t,baseMinusT,output=[],inputLength=input.length,i=0,n=initialN,bias=initialBias;for((basic=input.lastIndexOf(delimiter))<0&&(basic=0),j=0;j<basic;++j)input.charCodeAt(j)>=128&&error("not-basic"),output.push(input.charCodeAt(j));for(index=basic>0?basic+1:0;index<inputLength;){for(oldi=i,w=1,k=base;index>=inputLength&&error("invalid-input"),((digit=(codePoint=input.charCodeAt(index++))-48<10?codePoint-22:codePoint-65<26?codePoint-65:codePoint-97<26?codePoint-97:base)>=base||digit>floor((maxInt-i)/w))&&error("overflow"),i+=digit*w,!(digit<(t=k<=bias?tMin:k>=bias+tMax?tMax:k-bias));k+=base)w>floor(maxInt/(baseMinusT=base-t))&&error("overflow"),w*=baseMinusT;bias=adapt(i-oldi,out=output.length+1,0==oldi),floor(i/out)>maxInt-n&&error("overflow"),n+=floor(i/out),i%=out,output.splice(i++,0,n)}var codePoint;return ucs2encode(output)}function encode(input){var n,delta,handledCPCount,basicLength,bias,j,m,q,k,t,currentValue,inputLength,handledCPCountPlusOne,baseMinusT,qMinusT,output=[];for(inputLength=(input=ucs2decode(input)).length,n=initialN,delta=0,bias=initialBias,j=0;j<inputLength;++j)(currentValue=input[j])<128&&output.push(stringFromCharCode(currentValue));for(handledCPCount=basicLength=output.length,basicLength&&output.push(delimiter);handledCPCount<inputLength;){for(m=maxInt,j=0;j<inputLength;++j)(currentValue=input[j])>=n&&currentValue<m&&(m=currentValue);for(m-n>floor((maxInt-delta)/(handledCPCountPlusOne=handledCPCount+1))&&error("overflow"),delta+=(m-n)*handledCPCountPlusOne,n=m,j=0;j<inputLength;++j)if((currentValue=input[j])<n&&++delta>maxInt&&error("overflow"),currentValue==n){for(q=delta,k=base;!(q<(t=k<=bias?tMin:k>=bias+tMax?tMax:k-bias));k+=base)qMinusT=q-t,baseMinusT=base-t,output.push(stringFromCharCode(digitToBasic(t+qMinusT%baseMinusT,0))),q=floor(qMinusT/baseMinusT);output.push(stringFromCharCode(digitToBasic(q,0))),bias=adapt(delta,handledCPCountPlusOne,handledCPCount==basicLength),delta=0,++handledCPCount}++delta,++n}return output.join("")}if(punycode={version:"1.4.1",ucs2:{decode:ucs2decode,encode:ucs2encode},decode:decode,encode:encode,toASCII:function(input){return mapDomain(input,function(string){return regexNonASCII.test(string)?"xn--"+encode(string):string})},toUnicode:function(input){return mapDomain(input,function(string){return regexPunycode.test(string)?decode(string.slice(4).toLowerCase()):string})}},"function"==typeof define&&"object"==typeof define.amd&&define.amd)define("punycode",function(){return punycode});else if(freeExports&&freeModule)if(module.exports==freeExports)freeModule.exports=punycode;else for(key in punycode)punycode.hasOwnProperty(key)&&(freeExports[key]=punycode[key]);else root.punycode=punycode}(this)}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{}],175:[function(require,module,exports){"use strict";function hasOwnProperty(obj,prop){return Object.prototype.hasOwnProperty.call(obj,prop)}module.exports=function(qs,sep,eq,options){sep=sep||"&",eq=eq||"=";var obj={};if("string"!=typeof qs||0===qs.length)return obj;var regexp=/\+/g;qs=qs.split(sep);var maxKeys=1e3;options&&"number"==typeof options.maxKeys&&(maxKeys=options.maxKeys);var len=qs.length;maxKeys>0&&len>maxKeys&&(len=maxKeys);for(var i=0;i<len;++i){var kstr,vstr,k,v,x=qs[i].replace(regexp,"%20"),idx=x.indexOf(eq);idx>=0?(kstr=x.substr(0,idx),vstr=x.substr(idx+1)):(kstr=x,vstr=""),k=decodeURIComponent(kstr),v=decodeURIComponent(vstr),hasOwnProperty(obj,k)?isArray(obj[k])?obj[k].push(v):obj[k]=[obj[k],v]:obj[k]=v}return obj};var isArray=Array.isArray||function(xs){return"[object Array]"===Object.prototype.toString.call(xs)}},{}],176:[function(require,module,exports){"use strict";var stringifyPrimitive=function(v){switch(typeof v){case"string":return v;case"boolean":return v?"true":"false";case"number":return isFinite(v)?v:"";default:return""}};module.exports=function(obj,sep,eq,name){return sep=sep||"&",eq=eq||"=",null===obj&&(obj=void 0),"object"==typeof obj?map(objectKeys(obj),function(k){var ks=encodeURIComponent(stringifyPrimitive(k))+eq;return isArray(obj[k])?map(obj[k],function(v){return ks+encodeURIComponent(stringifyPrimitive(v))}).join(sep):ks+encodeURIComponent(stringifyPrimitive(obj[k]))}).join(sep):name?encodeURIComponent(stringifyPrimitive(name))+eq+encodeURIComponent(stringifyPrimitive(obj)):""};var isArray=Array.isArray||function(xs){return"[object Array]"===Object.prototype.toString.call(xs)};function map(xs,f){if(xs.map)return xs.map(f);for(var res=[],i=0;i<xs.length;i++)res.push(f(xs[i],i));return res}var objectKeys=Object.keys||function(obj){var res=[];for(var key in obj)Object.prototype.hasOwnProperty.call(obj,key)&&res.push(key);return res}},{}],177:[function(require,module,exports){"use strict";exports.decode=exports.parse=require("./decode"),exports.encode=exports.stringify=require("./encode")},{"./decode":175,"./encode":176}],178:[function(require,module,exports){(function(process,global){"use strict";var Buffer=require("safe-buffer").Buffer,crypto=global.crypto||global.msCrypto;crypto&&crypto.getRandomValues?module.exports=function(size,cb){if(size>65536)throw new Error("requested too many random bytes");var rawBytes=new global.Uint8Array(size);size>0&&crypto.getRandomValues(rawBytes);var bytes=Buffer.from(rawBytes.buffer);if("function"==typeof cb)return process.nextTick(function(){cb(null,bytes)});return bytes}:module.exports=function(){throw new Error("secure random number generation not supported by this browser\nuse chrome, FireFox or Internet Explorer 11")}}).call(this,require("_process"),"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{_process:166,"safe-buffer":195}],179:[function(require,module,exports){(function(process,global){"use strict";function oldBrowser(){throw new Error("secure random number generation not supported by this browser\nuse chrome, FireFox or Internet Explorer 11")}var safeBuffer=require("safe-buffer"),randombytes=require("randombytes"),Buffer=safeBuffer.Buffer,kBufferMaxLength=safeBuffer.kMaxLength,crypto=global.crypto||global.msCrypto,kMaxUint32=Math.pow(2,32)-1;function assertOffset(offset,length){if("number"!=typeof offset||offset!=offset)throw new TypeError("offset must be a number");if(offset>kMaxUint32||offset<0)throw new TypeError("offset must be a uint32");if(offset>kBufferMaxLength||offset>length)throw new RangeError("offset out of range")}function assertSize(size,offset,length){if("number"!=typeof size||size!=size)throw new TypeError("size must be a number");if(size>kMaxUint32||size<0)throw new TypeError("size must be a uint32");if(size+offset>length||size>kBufferMaxLength)throw new RangeError("buffer too small")}crypto&&crypto.getRandomValues||!process.browser?(exports.randomFill=function(buf,offset,size,cb){if(!(Buffer.isBuffer(buf)||buf instanceof global.Uint8Array))throw new TypeError('"buf" argument must be a Buffer or Uint8Array');if("function"==typeof offset)cb=offset,offset=0,size=buf.length;else if("function"==typeof size)cb=size,size=buf.length-offset;else if("function"!=typeof cb)throw new TypeError('"cb" argument must be a function');return assertOffset(offset,buf.length),assertSize(size,offset,buf.length),actualFill(buf,offset,size,cb)},exports.randomFillSync=function(buf,offset,size){void 0===offset&&(offset=0);if(!(Buffer.isBuffer(buf)||buf instanceof global.Uint8Array))throw new TypeError('"buf" argument must be a Buffer or Uint8Array');assertOffset(offset,buf.length),void 0===size&&(size=buf.length-offset);return assertSize(size,offset,buf.length),actualFill(buf,offset,size)}):(exports.randomFill=oldBrowser,exports.randomFillSync=oldBrowser);function actualFill(buf,offset,size,cb){if(process.browser){var ourBuf=buf.buffer,uint=new Uint8Array(ourBuf,offset,size);return crypto.getRandomValues(uint),cb?void process.nextTick(function(){cb(null,buf)}):buf}{if(!cb){return randombytes(size).copy(buf,offset),buf}randombytes(size,function(err,bytes){if(err)return cb(err);bytes.copy(buf,offset),cb(null,buf)})}}}).call(this,require("_process"),"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{_process:166,randombytes:178,"safe-buffer":195}],180:[function(require,module,exports){module.exports=require("./lib/_stream_duplex.js")},{"./lib/_stream_duplex.js":181}],181:[function(require,module,exports){"use strict";var processNextTick=require("process-nextick-args"),objectKeys=Object.keys||function(obj){var keys=[];for(var key in obj)keys.push(key);return keys};module.exports=Duplex;var util=require("core-util-is");util.inherits=require("inherits");var Readable=require("./_stream_readable"),Writable=require("./_stream_writable");util.inherits(Duplex,Readable);for(var keys=objectKeys(Writable.prototype),v=0;v<keys.length;v++){var method=keys[v];Duplex.prototype[method]||(Duplex.prototype[method]=Writable.prototype[method])}function Duplex(options){if(!(this instanceof Duplex))return new Duplex(options);Readable.call(this,options),Writable.call(this,options),options&&!1===options.readable&&(this.readable=!1),options&&!1===options.writable&&(this.writable=!1),this.allowHalfOpen=!0,options&&!1===options.allowHalfOpen&&(this.allowHalfOpen=!1),this.once("end",onend)}function onend(){this.allowHalfOpen||this._writableState.ended||processNextTick(onEndNT,this)}function onEndNT(self){self.end()}Object.defineProperty(Duplex.prototype,"destroyed",{get:function(){return void 0!==this._readableState&&void 0!==this._writableState&&(this._readableState.destroyed&&this._writableState.destroyed)},set:function(value){void 0!==this._readableState&&void 0!==this._writableState&&(this._readableState.destroyed=value,this._writableState.destroyed=value)}}),Duplex.prototype._destroy=function(err,cb){this.push(null),this.end(),processNextTick(cb,err)}},{"./_stream_readable":183,"./_stream_writable":185,"core-util-is":76,inherits:189,"process-nextick-args":165}],182:[function(require,module,exports){"use strict";module.exports=PassThrough;var Transform=require("./_stream_transform"),util=require("core-util-is");util.inherits=require("inherits"),util.inherits(PassThrough,Transform);function PassThrough(options){if(!(this instanceof PassThrough))return new PassThrough(options);Transform.call(this,options)}PassThrough.prototype._transform=function(chunk,encoding,cb){cb(null,chunk)}},{"./_stream_transform":184,"core-util-is":76,inherits:189}],183:[function(require,module,exports){(function(process,global){"use strict";var processNextTick=require("process-nextick-args");module.exports=Readable;var Duplex,isArray=require("isarray");Readable.ReadableState=ReadableState;require("events").EventEmitter;var EElistenerCount=function(emitter,type){return emitter.listeners(type).length},Stream=require("./internal/streams/stream"),Buffer=require("safe-buffer").Buffer,OurUint8Array=global.Uint8Array||function(){};var util=require("core-util-is");util.inherits=require("inherits");var debugUtil=require("util"),debug=void 0;debug=debugUtil&&debugUtil.debuglog?debugUtil.debuglog("stream"):function(){};var StringDecoder,BufferList=require("./internal/streams/BufferList"),destroyImpl=require("./internal/streams/destroy");util.inherits(Readable,Stream);var kProxyEvents=["error","close","destroy","pause","resume"];function ReadableState(options,stream){Duplex=Duplex||require("./_stream_duplex"),options=options||{},this.objectMode=!!options.objectMode,stream instanceof Duplex&&(this.objectMode=this.objectMode||!!options.readableObjectMode);var hwm=options.highWaterMark,defaultHwm=this.objectMode?16:16384;this.highWaterMark=hwm||0===hwm?hwm:defaultHwm,this.highWaterMark=Math.floor(this.highWaterMark),this.buffer=new BufferList,this.length=0,this.pipes=null,this.pipesCount=0,this.flowing=null,this.ended=!1,this.endEmitted=!1,this.reading=!1,this.sync=!0,this.needReadable=!1,this.emittedReadable=!1,this.readableListening=!1,this.resumeScheduled=!1,this.destroyed=!1,this.defaultEncoding=options.defaultEncoding||"utf8",this.awaitDrain=0,this.readingMore=!1,this.decoder=null,this.encoding=null,options.encoding&&(StringDecoder||(StringDecoder=require("string_decoder/").StringDecoder),this.decoder=new StringDecoder(options.encoding),this.encoding=options.encoding)}function Readable(options){if(Duplex=Duplex||require("./_stream_duplex"),!(this instanceof Readable))return new Readable(options);this._readableState=new ReadableState(options,this),this.readable=!0,options&&("function"==typeof options.read&&(this._read=options.read),"function"==typeof options.destroy&&(this._destroy=options.destroy)),Stream.call(this)}Object.defineProperty(Readable.prototype,"destroyed",{get:function(){return void 0!==this._readableState&&this._readableState.destroyed},set:function(value){this._readableState&&(this._readableState.destroyed=value)}}),Readable.prototype.destroy=destroyImpl.destroy,Readable.prototype._undestroy=destroyImpl.undestroy,Readable.prototype._destroy=function(err,cb){this.push(null),cb(err)},Readable.prototype.push=function(chunk,encoding){var skipChunkCheck,state=this._readableState;return state.objectMode?skipChunkCheck=!0:"string"==typeof chunk&&((encoding=encoding||state.defaultEncoding)!==state.encoding&&(chunk=Buffer.from(chunk,encoding),encoding=""),skipChunkCheck=!0),readableAddChunk(this,chunk,encoding,!1,skipChunkCheck)},Readable.prototype.unshift=function(chunk){return readableAddChunk(this,chunk,null,!0,!1)};function readableAddChunk(stream,chunk,encoding,addToFront,skipChunkCheck){var state=stream._readableState;if(null===chunk)state.reading=!1,function(stream,state){if(state.ended)return;if(state.decoder){var chunk=state.decoder.end();chunk&&chunk.length&&(state.buffer.push(chunk),state.length+=state.objectMode?1:chunk.length)}state.ended=!0,emitReadable(stream)}(stream,state);else{var er;skipChunkCheck||(er=function(state,chunk){var er;obj=chunk,Buffer.isBuffer(obj)||obj instanceof OurUint8Array||"string"==typeof chunk||void 0===chunk||state.objectMode||(er=new TypeError("Invalid non-string/buffer chunk"));var obj;return er}(state,chunk)),er?stream.emit("error",er):state.objectMode||chunk&&chunk.length>0?("string"==typeof chunk||state.objectMode||Object.getPrototypeOf(chunk)===Buffer.prototype||(chunk=function(chunk){return Buffer.from(chunk)}(chunk)),addToFront?state.endEmitted?stream.emit("error",new Error("stream.unshift() after end event")):addChunk(stream,state,chunk,!0):state.ended?stream.emit("error",new Error("stream.push() after EOF")):(state.reading=!1,state.decoder&&!encoding?(chunk=state.decoder.write(chunk),state.objectMode||0!==chunk.length?addChunk(stream,state,chunk,!1):maybeReadMore(stream,state)):addChunk(stream,state,chunk,!1))):addToFront||(state.reading=!1)}return function(state){return!state.ended&&(state.needReadable||state.length<state.highWaterMark||0===state.length)}(state)}function addChunk(stream,state,chunk,addToFront){state.flowing&&0===state.length&&!state.sync?(stream.emit("data",chunk),stream.read(0)):(state.length+=state.objectMode?1:chunk.length,addToFront?state.buffer.unshift(chunk):state.buffer.push(chunk),state.needReadable&&emitReadable(stream)),maybeReadMore(stream,state)}Readable.prototype.isPaused=function(){return!1===this._readableState.flowing},Readable.prototype.setEncoding=function(enc){return StringDecoder||(StringDecoder=require("string_decoder/").StringDecoder),this._readableState.decoder=new StringDecoder(enc),this._readableState.encoding=enc,this};var MAX_HWM=8388608;function howMuchToRead(n,state){return n<=0||0===state.length&&state.ended?0:state.objectMode?1:n!=n?state.flowing&&state.length?state.buffer.head.data.length:state.length:(n>state.highWaterMark&&(state.highWaterMark=function(n){return n>=MAX_HWM?n=MAX_HWM:(n--,n|=n>>>1,n|=n>>>2,n|=n>>>4,n|=n>>>8,n|=n>>>16,n++),n}(n)),n<=state.length?n:state.ended?state.length:(state.needReadable=!0,0))}Readable.prototype.read=function(n){debug("read",n),n=parseInt(n,10);var state=this._readableState,nOrig=n;if(0!==n&&(state.emittedReadable=!1),0===n&&state.needReadable&&(state.length>=state.highWaterMark||state.ended))return debug("read: emitReadable",state.length,state.ended),0===state.length&&state.ended?endReadable(this):emitReadable(this),null;if(0===(n=howMuchToRead(n,state))&&state.ended)return 0===state.length&&endReadable(this),null;var doRead=state.needReadable;debug("need readable",doRead),(0===state.length||state.length-n<state.highWaterMark)&&debug("length less than watermark",doRead=!0),state.ended||state.reading?debug("reading or ended",doRead=!1):doRead&&(debug("do read"),state.reading=!0,state.sync=!0,0===state.length&&(state.needReadable=!0),this._read(state.highWaterMark),state.sync=!1,state.reading||(n=howMuchToRead(nOrig,state)));var ret;return null===(ret=n>0?fromList(n,state):null)?(state.needReadable=!0,n=0):state.length-=n,0===state.length&&(state.ended||(state.needReadable=!0),nOrig!==n&&state.ended&&endReadable(this)),null!==ret&&this.emit("data",ret),ret};function emitReadable(stream){var state=stream._readableState;state.needReadable=!1,state.emittedReadable||(debug("emitReadable",state.flowing),state.emittedReadable=!0,state.sync?processNextTick(emitReadable_,stream):emitReadable_(stream))}function emitReadable_(stream){debug("emit readable"),stream.emit("readable"),flow(stream)}function maybeReadMore(stream,state){state.readingMore||(state.readingMore=!0,processNextTick(maybeReadMore_,stream,state))}function maybeReadMore_(stream,state){for(var len=state.length;!state.reading&&!state.flowing&&!state.ended&&state.length<state.highWaterMark&&(debug("maybeReadMore read 0"),stream.read(0),len!==state.length);)len=state.length;state.readingMore=!1}Readable.prototype._read=function(n){this.emit("error",new Error("_read() is not implemented"))},Readable.prototype.pipe=function(dest,pipeOpts){var src=this,state=this._readableState;switch(state.pipesCount){case 0:state.pipes=dest;break;case 1:state.pipes=[state.pipes,dest];break;default:state.pipes.push(dest)}state.pipesCount+=1,debug("pipe count=%d opts=%j",state.pipesCount,pipeOpts);var endFn=(!pipeOpts||!1!==pipeOpts.end)&&dest!==process.stdout&&dest!==process.stderr?onend:unpipe;state.endEmitted?processNextTick(endFn):src.once("end",endFn),dest.on("unpipe",onunpipe);function onunpipe(readable,unpipeInfo){debug("onunpipe"),readable===src&&unpipeInfo&&!1===unpipeInfo.hasUnpiped&&(unpipeInfo.hasUnpiped=!0,debug("cleanup"),dest.removeListener("close",onclose),dest.removeListener("finish",onfinish),dest.removeListener("drain",ondrain),dest.removeListener("error",onerror),dest.removeListener("unpipe",onunpipe),src.removeListener("end",onend),src.removeListener("end",unpipe),src.removeListener("data",ondata),cleanedUp=!0,!state.awaitDrain||dest._writableState&&!dest._writableState.needDrain||ondrain())}function onend(){debug("onend"),dest.end()}var ondrain=function(src){return function(){var state=src._readableState;debug("pipeOnDrain",state.awaitDrain),state.awaitDrain&&state.awaitDrain--,0===state.awaitDrain&&EElistenerCount(src,"data")&&(state.flowing=!0,flow(src))}}(src);dest.on("drain",ondrain);var cleanedUp=!1;var increasedAwaitDrain=!1;src.on("data",ondata);function ondata(chunk){debug("ondata"),increasedAwaitDrain=!1;!1!==dest.write(chunk)||increasedAwaitDrain||((1===state.pipesCount&&state.pipes===dest||state.pipesCount>1&&-1!==indexOf(state.pipes,dest))&&!cleanedUp&&(debug("false write response, pause",src._readableState.awaitDrain),src._readableState.awaitDrain++,increasedAwaitDrain=!0),src.pause())}function onerror(er){debug("onerror",er),unpipe(),dest.removeListener("error",onerror),0===EElistenerCount(dest,"error")&&dest.emit("error",er)}!function(emitter,event,fn){if("function"==typeof emitter.prependListener)return emitter.prependListener(event,fn);emitter._events&&emitter._events[event]?isArray(emitter._events[event])?emitter._events[event].unshift(fn):emitter._events[event]=[fn,emitter._events[event]]:emitter.on(event,fn)}(dest,"error",onerror);function onclose(){dest.removeListener("finish",onfinish),unpipe()}dest.once("close",onclose);function onfinish(){debug("onfinish"),dest.removeListener("close",onclose),unpipe()}dest.once("finish",onfinish);function unpipe(){debug("unpipe"),src.unpipe(dest)}return dest.emit("pipe",src),state.flowing||(debug("pipe resume"),src.resume()),dest};Readable.prototype.unpipe=function(dest){var state=this._readableState,unpipeInfo={hasUnpiped:!1};if(0===state.pipesCount)return this;if(1===state.pipesCount)return dest&&dest!==state.pipes?this:(dest||(dest=state.pipes),state.pipes=null,state.pipesCount=0,state.flowing=!1,dest&&dest.emit("unpipe",this,unpipeInfo),this);if(!dest){var dests=state.pipes,len=state.pipesCount;state.pipes=null,state.pipesCount=0,state.flowing=!1;for(var i=0;i<len;i++)dests[i].emit("unpipe",this,unpipeInfo);return this}var index=indexOf(state.pipes,dest);return-1===index?this:(state.pipes.splice(index,1),state.pipesCount-=1,1===state.pipesCount&&(state.pipes=state.pipes[0]),dest.emit("unpipe",this,unpipeInfo),this)},Readable.prototype.on=function(ev,fn){var res=Stream.prototype.on.call(this,ev,fn);if("data"===ev)!1!==this._readableState.flowing&&this.resume();else if("readable"===ev){var state=this._readableState;state.endEmitted||state.readableListening||(state.readableListening=state.needReadable=!0,state.emittedReadable=!1,state.reading?state.length&&emitReadable(this):processNextTick(nReadingNextTick,this))}return res},Readable.prototype.addListener=Readable.prototype.on;function nReadingNextTick(self){debug("readable nexttick read 0"),self.read(0)}Readable.prototype.resume=function(){var state=this._readableState;return state.flowing||(debug("resume"),state.flowing=!0,function(stream,state){state.resumeScheduled||(state.resumeScheduled=!0,processNextTick(resume_,stream,state))}(this,state)),this};function resume_(stream,state){state.reading||(debug("resume read 0"),stream.read(0)),state.resumeScheduled=!1,state.awaitDrain=0,stream.emit("resume"),flow(stream),state.flowing&&!state.reading&&stream.read(0)}Readable.prototype.pause=function(){return debug("call pause flowing=%j",this._readableState.flowing),!1!==this._readableState.flowing&&(debug("pause"),this._readableState.flowing=!1,this.emit("pause")),this};function flow(stream){var state=stream._readableState;for(debug("flow",state.flowing);state.flowing&&null!==stream.read(););}Readable.prototype.wrap=function(stream){var state=this._readableState,paused=!1,self=this;stream.on("end",function(){if(debug("wrapped end"),state.decoder&&!state.ended){var chunk=state.decoder.end();chunk&&chunk.length&&self.push(chunk)}self.push(null)}),stream.on("data",function(chunk){if(debug("wrapped data"),state.decoder&&(chunk=state.decoder.write(chunk)),(!state.objectMode||null!==chunk&&void 0!==chunk)&&(state.objectMode||chunk&&chunk.length)){self.push(chunk)||(paused=!0,stream.pause())}});for(var i in stream)void 0===this[i]&&"function"==typeof stream[i]&&(this[i]=function(method){return function(){return stream[method].apply(stream,arguments)}}(i));for(var n=0;n<kProxyEvents.length;n++)stream.on(kProxyEvents[n],self.emit.bind(self,kProxyEvents[n]));return self._read=function(n){debug("wrapped _read",n),paused&&(paused=!1,stream.resume())},self},Readable._fromList=fromList;function fromList(n,state){if(0===state.length)return null;var ret;return state.objectMode?ret=state.buffer.shift():!n||n>=state.length?(ret=state.decoder?state.buffer.join(""):1===state.buffer.length?state.buffer.head.data:state.buffer.concat(state.length),state.buffer.clear()):ret=function(n,list,hasStrings){var ret;n<list.head.data.length?(ret=list.head.data.slice(0,n),list.head.data=list.head.data.slice(n)):ret=n===list.head.data.length?list.shift():hasStrings?function(n,list){var p=list.head,c=1,ret=p.data;n-=ret.length;for(;p=p.next;){var str=p.data,nb=n>str.length?str.length:n;if(nb===str.length?ret+=str:ret+=str.slice(0,n),0===(n-=nb)){nb===str.length?(++c,p.next?list.head=p.next:list.head=list.tail=null):(list.head=p,p.data=str.slice(nb));break}++c}return list.length-=c,ret}(n,list):function(n,list){var ret=Buffer.allocUnsafe(n),p=list.head,c=1;p.data.copy(ret),n-=p.data.length;for(;p=p.next;){var buf=p.data,nb=n>buf.length?buf.length:n;if(buf.copy(ret,ret.length-n,0,nb),0===(n-=nb)){nb===buf.length?(++c,p.next?list.head=p.next:list.head=list.tail=null):(list.head=p,p.data=buf.slice(nb));break}++c}return list.length-=c,ret}(n,list);return ret}(n,state.buffer,state.decoder),ret}function endReadable(stream){var state=stream._readableState;if(state.length>0)throw new Error('"endReadable()" called on non-empty stream');state.endEmitted||(state.ended=!0,processNextTick(endReadableNT,state,stream))}function endReadableNT(state,stream){state.endEmitted||0!==state.length||(state.endEmitted=!0,stream.readable=!1,stream.emit("end"))}function indexOf(xs,x){for(var i=0,l=xs.length;i<l;i++)if(xs[i]===x)return i;return-1}}).call(this,require("_process"),"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./_stream_duplex":181,"./internal/streams/BufferList":186,"./internal/streams/destroy":187,"./internal/streams/stream":188,_process:166,"core-util-is":76,events:126,inherits:189,isarray:147,"process-nextick-args":165,"safe-buffer":195,"string_decoder/":205,util:21}],184:[function(require,module,exports){"use strict";module.exports=Transform;var Duplex=require("./_stream_duplex"),util=require("core-util-is");util.inherits=require("inherits"),util.inherits(Transform,Duplex);function TransformState(stream){this.afterTransform=function(er,data){return function(stream,er,data){var ts=stream._transformState;ts.transforming=!1;var cb=ts.writecb;if(!cb)return stream.emit("error",new Error("write callback called multiple times"));ts.writechunk=null,ts.writecb=null,null!==data&&void 0!==data&&stream.push(data);cb(er);var rs=stream._readableState;rs.reading=!1,(rs.needReadable||rs.length<rs.highWaterMark)&&stream._read(rs.highWaterMark)}(stream,er,data)},this.needTransform=!1,this.transforming=!1,this.writecb=null,this.writechunk=null,this.writeencoding=null}function Transform(options){if(!(this instanceof Transform))return new Transform(options);Duplex.call(this,options),this._transformState=new TransformState(this);var stream=this;this._readableState.needReadable=!0,this._readableState.sync=!1,options&&("function"==typeof options.transform&&(this._transform=options.transform),"function"==typeof options.flush&&(this._flush=options.flush)),this.once("prefinish",function(){"function"==typeof this._flush?this._flush(function(er,data){done(stream,er,data)}):done(stream)})}Transform.prototype.push=function(chunk,encoding){return this._transformState.needTransform=!1,Duplex.prototype.push.call(this,chunk,encoding)},Transform.prototype._transform=function(chunk,encoding,cb){throw new Error("_transform() is not implemented")},Transform.prototype._write=function(chunk,encoding,cb){var ts=this._transformState;if(ts.writecb=cb,ts.writechunk=chunk,ts.writeencoding=encoding,!ts.transforming){var rs=this._readableState;(ts.needTransform||rs.needReadable||rs.length<rs.highWaterMark)&&this._read(rs.highWaterMark)}},Transform.prototype._read=function(n){var ts=this._transformState;null!==ts.writechunk&&ts.writecb&&!ts.transforming?(ts.transforming=!0,this._transform(ts.writechunk,ts.writeencoding,ts.afterTransform)):ts.needTransform=!0},Transform.prototype._destroy=function(err,cb){var _this=this;Duplex.prototype._destroy.call(this,err,function(err2){cb(err2),_this.emit("close")})};function done(stream,er,data){if(er)return stream.emit("error",er);null!==data&&void 0!==data&&stream.push(data);var ws=stream._writableState,ts=stream._transformState;if(ws.length)throw new Error("Calling transform done when ws.length != 0");if(ts.transforming)throw new Error("Calling transform done when still transforming");return stream.push(null)}},{"./_stream_duplex":181,"core-util-is":76,inherits:189}],185:[function(require,module,exports){(function(process,global){"use strict";var processNextTick=require("process-nextick-args");module.exports=Writable;function CorkedRequest(state){var _this=this;this.next=null,this.entry=null,this.finish=function(){!function(corkReq,state,err){var entry=corkReq.entry;corkReq.entry=null;for(;entry;){var cb=entry.callback;state.pendingcb--,cb(err),entry=entry.next}state.corkedRequestsFree?state.corkedRequestsFree.next=corkReq:state.corkedRequestsFree=corkReq}(_this,state)}}var Duplex,asyncWrite=!process.browser&&["v0.10","v0.9."].indexOf(process.version.slice(0,5))>-1?setImmediate:processNextTick;Writable.WritableState=WritableState;var util=require("core-util-is");util.inherits=require("inherits");var internalUtil={deprecate:require("util-deprecate")},Stream=require("./internal/streams/stream"),Buffer=require("safe-buffer").Buffer,OurUint8Array=global.Uint8Array||function(){};var destroyImpl=require("./internal/streams/destroy");util.inherits(Writable,Stream);function nop(){}function WritableState(options,stream){Duplex=Duplex||require("./_stream_duplex"),options=options||{},this.objectMode=!!options.objectMode,stream instanceof Duplex&&(this.objectMode=this.objectMode||!!options.writableObjectMode);var hwm=options.highWaterMark,defaultHwm=this.objectMode?16:16384;this.highWaterMark=hwm||0===hwm?hwm:defaultHwm,this.highWaterMark=Math.floor(this.highWaterMark),this.finalCalled=!1,this.needDrain=!1,this.ending=!1,this.ended=!1,this.finished=!1,this.destroyed=!1;var noDecode=!1===options.decodeStrings;this.decodeStrings=!noDecode,this.defaultEncoding=options.defaultEncoding||"utf8",this.length=0,this.writing=!1,this.corked=0,this.sync=!0,this.bufferProcessing=!1,this.onwrite=function(er){!function(stream,er){var state=stream._writableState,sync=state.sync,cb=state.writecb;if(function(state){state.writing=!1,state.writecb=null,state.length-=state.writelen,state.writelen=0}(state),er)!function(stream,state,sync,er,cb){--state.pendingcb,sync?(processNextTick(cb,er),processNextTick(finishMaybe,stream,state),stream._writableState.errorEmitted=!0,stream.emit("error",er)):(cb(er),stream._writableState.errorEmitted=!0,stream.emit("error",er),finishMaybe(stream,state))}(stream,state,sync,er,cb);else{var finished=needFinish(state);finished||state.corked||state.bufferProcessing||!state.bufferedRequest||clearBuffer(stream,state),sync?asyncWrite(afterWrite,stream,state,finished,cb):afterWrite(stream,state,finished,cb)}}(stream,er)},this.writecb=null,this.writelen=0,this.bufferedRequest=null,this.lastBufferedRequest=null,this.pendingcb=0,this.prefinished=!1,this.errorEmitted=!1,this.bufferedRequestCount=0,this.corkedRequestsFree=new CorkedRequest(this)}WritableState.prototype.getBuffer=function(){for(var current=this.bufferedRequest,out=[];current;)out.push(current),current=current.next;return out},function(){try{Object.defineProperty(WritableState.prototype,"buffer",{get:internalUtil.deprecate(function(){return this.getBuffer()},"_writableState.buffer is deprecated. Use _writableState.getBuffer instead.","DEP0003")})}catch(_){}}();var realHasInstance;"function"==typeof Symbol&&Symbol.hasInstance&&"function"==typeof Function.prototype[Symbol.hasInstance]?(realHasInstance=Function.prototype[Symbol.hasInstance],Object.defineProperty(Writable,Symbol.hasInstance,{value:function(object){return!!realHasInstance.call(this,object)||object&&object._writableState instanceof WritableState}})):realHasInstance=function(object){return object instanceof this};function Writable(options){if(Duplex=Duplex||require("./_stream_duplex"),!(realHasInstance.call(Writable,this)||this instanceof Duplex))return new Writable(options);this._writableState=new WritableState(options,this),this.writable=!0,options&&("function"==typeof options.write&&(this._write=options.write),"function"==typeof options.writev&&(this._writev=options.writev),"function"==typeof options.destroy&&(this._destroy=options.destroy),"function"==typeof options.final&&(this._final=options.final)),Stream.call(this)}Writable.prototype.pipe=function(){this.emit("error",new Error("Cannot pipe, not readable"))};Writable.prototype.write=function(chunk,encoding,cb){var obj,state=this._writableState,ret=!1,isBuf=(obj=chunk,(Buffer.isBuffer(obj)||obj instanceof OurUint8Array)&&!state.objectMode);return isBuf&&!Buffer.isBuffer(chunk)&&(chunk=function(chunk){return Buffer.from(chunk)}(chunk)),"function"==typeof encoding&&(cb=encoding,encoding=null),isBuf?encoding="buffer":encoding||(encoding=state.defaultEncoding),"function"!=typeof cb&&(cb=nop),state.ended?function(stream,cb){var er=new Error("write after end");stream.emit("error",er),processNextTick(cb,er)}(this,cb):(isBuf||function(stream,state,chunk,cb){var valid=!0,er=!1;return null===chunk?er=new TypeError("May not write null values to stream"):"string"==typeof chunk||void 0===chunk||state.objectMode||(er=new TypeError("Invalid non-string/buffer chunk")),er&&(stream.emit("error",er),processNextTick(cb,er),valid=!1),valid}(this,state,chunk,cb))&&(state.pendingcb++,ret=function(stream,state,isBuf,chunk,encoding,cb){if(!isBuf){var newChunk=function(state,chunk,encoding){state.objectMode||!1===state.decodeStrings||"string"!=typeof chunk||(chunk=Buffer.from(chunk,encoding));return chunk}(state,chunk,encoding);chunk!==newChunk&&(isBuf=!0,encoding="buffer",chunk=newChunk)}var len=state.objectMode?1:chunk.length;state.length+=len;var ret=state.length<state.highWaterMark;ret||(state.needDrain=!0);if(state.writing||state.corked){var last=state.lastBufferedRequest;state.lastBufferedRequest={chunk:chunk,encoding:encoding,isBuf:isBuf,callback:cb,next:null},last?last.next=state.lastBufferedRequest:state.bufferedRequest=state.lastBufferedRequest,state.bufferedRequestCount+=1}else doWrite(stream,state,!1,len,chunk,encoding,cb);return ret}(this,state,isBuf,chunk,encoding,cb)),ret},Writable.prototype.cork=function(){this._writableState.corked++},Writable.prototype.uncork=function(){var state=this._writableState;state.corked&&(state.corked--,state.writing||state.corked||state.finished||state.bufferProcessing||!state.bufferedRequest||clearBuffer(this,state))},Writable.prototype.setDefaultEncoding=function(encoding){if("string"==typeof encoding&&(encoding=encoding.toLowerCase()),!(["hex","utf8","utf-8","ascii","binary","base64","ucs2","ucs-2","utf16le","utf-16le","raw"].indexOf((encoding+"").toLowerCase())>-1))throw new TypeError("Unknown encoding: "+encoding);return this._writableState.defaultEncoding=encoding,this};function doWrite(stream,state,writev,len,chunk,encoding,cb){state.writelen=len,state.writecb=cb,state.writing=!0,state.sync=!0,writev?stream._writev(chunk,state.onwrite):stream._write(chunk,encoding,state.onwrite),state.sync=!1}function afterWrite(stream,state,finished,cb){finished||function(stream,state){0===state.length&&state.needDrain&&(state.needDrain=!1,stream.emit("drain"))}(stream,state),state.pendingcb--,cb(),finishMaybe(stream,state)}function clearBuffer(stream,state){state.bufferProcessing=!0;var entry=state.bufferedRequest;if(stream._writev&&entry&&entry.next){var l=state.bufferedRequestCount,buffer=new Array(l),holder=state.corkedRequestsFree;holder.entry=entry;for(var count=0,allBuffers=!0;entry;)buffer[count]=entry,entry.isBuf||(allBuffers=!1),entry=entry.next,count+=1;buffer.allBuffers=allBuffers,doWrite(stream,state,!0,state.length,buffer,"",holder.finish),state.pendingcb++,state.lastBufferedRequest=null,holder.next?(state.corkedRequestsFree=holder.next,holder.next=null):state.corkedRequestsFree=new CorkedRequest(state)}else{for(;entry;){var chunk=entry.chunk,encoding=entry.encoding,cb=entry.callback;if(doWrite(stream,state,!1,state.objectMode?1:chunk.length,chunk,encoding,cb),entry=entry.next,state.writing)break}null===entry&&(state.lastBufferedRequest=null)}state.bufferedRequestCount=0,state.bufferedRequest=entry,state.bufferProcessing=!1}Writable.prototype._write=function(chunk,encoding,cb){cb(new Error("_write() is not implemented"))},Writable.prototype._writev=null,Writable.prototype.end=function(chunk,encoding,cb){var state=this._writableState;"function"==typeof chunk?(cb=chunk,chunk=null,encoding=null):"function"==typeof encoding&&(cb=encoding,encoding=null),null!==chunk&&void 0!==chunk&&this.write(chunk,encoding),state.corked&&(state.corked=1,this.uncork()),state.ending||state.finished||function(stream,state,cb){state.ending=!0,finishMaybe(stream,state),cb&&(state.finished?processNextTick(cb):stream.once("finish",cb));state.ended=!0,stream.writable=!1}(this,state,cb)};function needFinish(state){return state.ending&&0===state.length&&null===state.bufferedRequest&&!state.finished&&!state.writing}function callFinal(stream,state){stream._final(function(err){state.pendingcb--,err&&stream.emit("error",err),state.prefinished=!0,stream.emit("prefinish"),finishMaybe(stream,state)})}function finishMaybe(stream,state){var need=needFinish(state);return need&&(!function(stream,state){state.prefinished||state.finalCalled||("function"==typeof stream._final?(state.pendingcb++,state.finalCalled=!0,processNextTick(callFinal,stream,state)):(state.prefinished=!0,stream.emit("prefinish")))}(stream,state),0===state.pendingcb&&(state.finished=!0,stream.emit("finish"))),need}Object.defineProperty(Writable.prototype,"destroyed",{get:function(){return void 0!==this._writableState&&this._writableState.destroyed},set:function(value){this._writableState&&(this._writableState.destroyed=value)}}),Writable.prototype.destroy=destroyImpl.destroy,Writable.prototype._undestroy=destroyImpl.undestroy,Writable.prototype._destroy=function(err,cb){this.end(),cb(err)}}).call(this,require("_process"),"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./_stream_duplex":181,"./internal/streams/destroy":187,"./internal/streams/stream":188,_process:166,"core-util-is":76,inherits:189,"process-nextick-args":165,"safe-buffer":195,"util-deprecate":209}],186:[function(require,module,exports){"use strict";var Buffer=require("safe-buffer").Buffer;module.exports=function(){function BufferList(){!function(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}(this,BufferList),this.head=null,this.tail=null,this.length=0}return BufferList.prototype.push=function(v){var entry={data:v,next:null};this.length>0?this.tail.next=entry:this.head=entry,this.tail=entry,++this.length},BufferList.prototype.unshift=function(v){var entry={data:v,next:this.head};0===this.length&&(this.tail=entry),this.head=entry,++this.length},BufferList.prototype.shift=function(){if(0!==this.length){var ret=this.head.data;return 1===this.length?this.head=this.tail=null:this.head=this.head.next,--this.length,ret}},BufferList.prototype.clear=function(){this.head=this.tail=null,this.length=0},BufferList.prototype.join=function(s){if(0===this.length)return"";for(var p=this.head,ret=""+p.data;p=p.next;)ret+=s+p.data;return ret},BufferList.prototype.concat=function(n){if(0===this.length)return Buffer.alloc(0);if(1===this.length)return this.head.data;for(var ret=Buffer.allocUnsafe(n>>>0),p=this.head,i=0;p;)src=p.data,target=ret,offset=i,src.copy(target,offset),i+=p.data.length,p=p.next;var src,target,offset;return ret},BufferList}()},{"safe-buffer":195}],187:[function(require,module,exports){"use strict";var processNextTick=require("process-nextick-args");function emitErrorNT(self,err){self.emit("error",err)}module.exports={destroy:function(err,cb){var _this=this,readableDestroyed=this._readableState&&this._readableState.destroyed,writableDestroyed=this._writableState&&this._writableState.destroyed;readableDestroyed||writableDestroyed?cb?cb(err):!err||this._writableState&&this._writableState.errorEmitted||processNextTick(emitErrorNT,this,err):(this._readableState&&(this._readableState.destroyed=!0),this._writableState&&(this._writableState.destroyed=!0),this._destroy(err||null,function(err){!cb&&err?(processNextTick(emitErrorNT,_this,err),_this._writableState&&(_this._writableState.errorEmitted=!0)):cb&&cb(err)}))},undestroy:function(){this._readableState&&(this._readableState.destroyed=!1,this._readableState.reading=!1,this._readableState.ended=!1,this._readableState.endEmitted=!1),this._writableState&&(this._writableState.destroyed=!1,this._writableState.ended=!1,this._writableState.ending=!1,this._writableState.finished=!1,this._writableState.errorEmitted=!1)}}},{"process-nextick-args":165}],188:[function(require,module,exports){module.exports=require("events").EventEmitter},{events:126}],189:[function(require,module,exports){arguments[4][141][0].apply(exports,arguments)},{dup:141}],190:[function(require,module,exports){module.exports=require("./readable").PassThrough},{"./readable":191}],191:[function(require,module,exports){(exports=module.exports=require("./lib/_stream_readable.js")).Stream=exports,exports.Readable=exports,exports.Writable=require("./lib/_stream_writable.js"),exports.Duplex=require("./lib/_stream_duplex.js"),exports.Transform=require("./lib/_stream_transform.js"),exports.PassThrough=require("./lib/_stream_passthrough.js")},{"./lib/_stream_duplex.js":181,"./lib/_stream_passthrough.js":182,"./lib/_stream_readable.js":183,"./lib/_stream_transform.js":184,"./lib/_stream_writable.js":185}],192:[function(require,module,exports){module.exports=require("./readable").Transform},{"./readable":191}],193:[function(require,module,exports){module.exports=require("./lib/_stream_writable.js")},{"./lib/_stream_writable.js":185}],194:[function(require,module,exports){(function(Buffer){"use strict";var inherits=require("inherits"),HashBase=require("hash-base");function RIPEMD160(){HashBase.call(this,64),this._a=1732584193,this._b=4023233417,this._c=2562383102,this._d=271733878,this._e=3285377520}inherits(RIPEMD160,HashBase),RIPEMD160.prototype._update=function(){for(var m=new Array(16),i=0;i<16;++i)m[i]=this._block.readInt32LE(4*i);var al=this._a,bl=this._b,cl=this._c,dl=this._d,el=this._e;el=fn1(el,al=fn1(al,bl,cl,dl,el,m[0],0,11),bl,cl=rotl(cl,10),dl,m[1],0,14),bl=fn1(bl=rotl(bl,10),cl=fn1(cl,dl=fn1(dl,el,al,bl,cl,m[2],0,15),el,al=rotl(al,10),bl,m[3],0,12),dl,el=rotl(el,10),al,m[4],0,5),dl=fn1(dl=rotl(dl,10),el=fn1(el,al=fn1(al,bl,cl,dl,el,m[5],0,8),bl,cl=rotl(cl,10),dl,m[6],0,7),al,bl=rotl(bl,10),cl,m[7],0,9),al=fn1(al=rotl(al,10),bl=fn1(bl,cl=fn1(cl,dl,el,al,bl,m[8],0,11),dl,el=rotl(el,10),al,m[9],0,13),cl,dl=rotl(dl,10),el,m[10],0,14),cl=fn1(cl=rotl(cl,10),dl=fn1(dl,el=fn1(el,al,bl,cl,dl,m[11],0,15),al,bl=rotl(bl,10),cl,m[12],0,6),el,al=rotl(al,10),bl,m[13],0,7),el=fn2(el=rotl(el,10),al=fn1(al,bl=fn1(bl,cl,dl,el,al,m[14],0,9),cl,dl=rotl(dl,10),el,m[15],0,8),bl,cl=rotl(cl,10),dl,m[7],1518500249,7),bl=fn2(bl=rotl(bl,10),cl=fn2(cl,dl=fn2(dl,el,al,bl,cl,m[4],1518500249,6),el,al=rotl(al,10),bl,m[13],1518500249,8),dl,el=rotl(el,10),al,m[1],1518500249,13),dl=fn2(dl=rotl(dl,10),el=fn2(el,al=fn2(al,bl,cl,dl,el,m[10],1518500249,11),bl,cl=rotl(cl,10),dl,m[6],1518500249,9),al,bl=rotl(bl,10),cl,m[15],1518500249,7),al=fn2(al=rotl(al,10),bl=fn2(bl,cl=fn2(cl,dl,el,al,bl,m[3],1518500249,15),dl,el=rotl(el,10),al,m[12],1518500249,7),cl,dl=rotl(dl,10),el,m[0],1518500249,12),cl=fn2(cl=rotl(cl,10),dl=fn2(dl,el=fn2(el,al,bl,cl,dl,m[9],1518500249,15),al,bl=rotl(bl,10),cl,m[5],1518500249,9),el,al=rotl(al,10),bl,m[2],1518500249,11),el=fn2(el=rotl(el,10),al=fn2(al,bl=fn2(bl,cl,dl,el,al,m[14],1518500249,7),cl,dl=rotl(dl,10),el,m[11],1518500249,13),bl,cl=rotl(cl,10),dl,m[8],1518500249,12),bl=fn3(bl=rotl(bl,10),cl=fn3(cl,dl=fn3(dl,el,al,bl,cl,m[3],1859775393,11),el,al=rotl(al,10),bl,m[10],1859775393,13),dl,el=rotl(el,10),al,m[14],1859775393,6),dl=fn3(dl=rotl(dl,10),el=fn3(el,al=fn3(al,bl,cl,dl,el,m[4],1859775393,7),bl,cl=rotl(cl,10),dl,m[9],1859775393,14),al,bl=rotl(bl,10),cl,m[15],1859775393,9),al=fn3(al=rotl(al,10),bl=fn3(bl,cl=fn3(cl,dl,el,al,bl,m[8],1859775393,13),dl,el=rotl(el,10),al,m[1],1859775393,15),cl,dl=rotl(dl,10),el,m[2],1859775393,14),cl=fn3(cl=rotl(cl,10),dl=fn3(dl,el=fn3(el,al,bl,cl,dl,m[7],1859775393,8),al,bl=rotl(bl,10),cl,m[0],1859775393,13),el,al=rotl(al,10),bl,m[6],1859775393,6),el=fn3(el=rotl(el,10),al=fn3(al,bl=fn3(bl,cl,dl,el,al,m[13],1859775393,5),cl,dl=rotl(dl,10),el,m[11],1859775393,12),bl,cl=rotl(cl,10),dl,m[5],1859775393,7),bl=fn4(bl=rotl(bl,10),cl=fn4(cl,dl=fn3(dl,el,al,bl,cl,m[12],1859775393,5),el,al=rotl(al,10),bl,m[1],2400959708,11),dl,el=rotl(el,10),al,m[9],2400959708,12),dl=fn4(dl=rotl(dl,10),el=fn4(el,al=fn4(al,bl,cl,dl,el,m[11],2400959708,14),bl,cl=rotl(cl,10),dl,m[10],2400959708,15),al,bl=rotl(bl,10),cl,m[0],2400959708,14),al=fn4(al=rotl(al,10),bl=fn4(bl,cl=fn4(cl,dl,el,al,bl,m[8],2400959708,15),dl,el=rotl(el,10),al,m[12],2400959708,9),cl,dl=rotl(dl,10),el,m[4],2400959708,8),cl=fn4(cl=rotl(cl,10),dl=fn4(dl,el=fn4(el,al,bl,cl,dl,m[13],2400959708,9),al,bl=rotl(bl,10),cl,m[3],2400959708,14),el,al=rotl(al,10),bl,m[7],2400959708,5),el=fn4(el=rotl(el,10),al=fn4(al,bl=fn4(bl,cl,dl,el,al,m[15],2400959708,6),cl,dl=rotl(dl,10),el,m[14],2400959708,8),bl,cl=rotl(cl,10),dl,m[5],2400959708,6),bl=fn5(bl=rotl(bl,10),cl=fn4(cl,dl=fn4(dl,el,al,bl,cl,m[6],2400959708,5),el,al=rotl(al,10),bl,m[2],2400959708,12),dl,el=rotl(el,10),al,m[4],2840853838,9),dl=fn5(dl=rotl(dl,10),el=fn5(el,al=fn5(al,bl,cl,dl,el,m[0],2840853838,15),bl,cl=rotl(cl,10),dl,m[5],2840853838,5),al,bl=rotl(bl,10),cl,m[9],2840853838,11),al=fn5(al=rotl(al,10),bl=fn5(bl,cl=fn5(cl,dl,el,al,bl,m[7],2840853838,6),dl,el=rotl(el,10),al,m[12],2840853838,8),cl,dl=rotl(dl,10),el,m[2],2840853838,13),cl=fn5(cl=rotl(cl,10),dl=fn5(dl,el=fn5(el,al,bl,cl,dl,m[10],2840853838,12),al,bl=rotl(bl,10),cl,m[14],2840853838,5),el,al=rotl(al,10),bl,m[1],2840853838,12),el=fn5(el=rotl(el,10),al=fn5(al,bl=fn5(bl,cl,dl,el,al,m[3],2840853838,13),cl,dl=rotl(dl,10),el,m[8],2840853838,14),bl,cl=rotl(cl,10),dl,m[11],2840853838,11),bl=fn5(bl=rotl(bl,10),cl=fn5(cl,dl=fn5(dl,el,al,bl,cl,m[6],2840853838,8),el,al=rotl(al,10),bl,m[15],2840853838,5),dl,el=rotl(el,10),al,m[13],2840853838,6),dl=rotl(dl,10);var ar=this._a,br=this._b,cr=this._c,dr=this._d,er=this._e;er=fn5(er,ar=fn5(ar,br,cr,dr,er,m[5],1352829926,8),br,cr=rotl(cr,10),dr,m[14],1352829926,9),br=fn5(br=rotl(br,10),cr=fn5(cr,dr=fn5(dr,er,ar,br,cr,m[7],1352829926,9),er,ar=rotl(ar,10),br,m[0],1352829926,11),dr,er=rotl(er,10),ar,m[9],1352829926,13),dr=fn5(dr=rotl(dr,10),er=fn5(er,ar=fn5(ar,br,cr,dr,er,m[2],1352829926,15),br,cr=rotl(cr,10),dr,m[11],1352829926,15),ar,br=rotl(br,10),cr,m[4],1352829926,5),ar=fn5(ar=rotl(ar,10),br=fn5(br,cr=fn5(cr,dr,er,ar,br,m[13],1352829926,7),dr,er=rotl(er,10),ar,m[6],1352829926,7),cr,dr=rotl(dr,10),er,m[15],1352829926,8),cr=fn5(cr=rotl(cr,10),dr=fn5(dr,er=fn5(er,ar,br,cr,dr,m[8],1352829926,11),ar,br=rotl(br,10),cr,m[1],1352829926,14),er,ar=rotl(ar,10),br,m[10],1352829926,14),er=fn4(er=rotl(er,10),ar=fn5(ar,br=fn5(br,cr,dr,er,ar,m[3],1352829926,12),cr,dr=rotl(dr,10),er,m[12],1352829926,6),br,cr=rotl(cr,10),dr,m[6],1548603684,9),br=fn4(br=rotl(br,10),cr=fn4(cr,dr=fn4(dr,er,ar,br,cr,m[11],1548603684,13),er,ar=rotl(ar,10),br,m[3],1548603684,15),dr,er=rotl(er,10),ar,m[7],1548603684,7),dr=fn4(dr=rotl(dr,10),er=fn4(er,ar=fn4(ar,br,cr,dr,er,m[0],1548603684,12),br,cr=rotl(cr,10),dr,m[13],1548603684,8),ar,br=rotl(br,10),cr,m[5],1548603684,9),ar=fn4(ar=rotl(ar,10),br=fn4(br,cr=fn4(cr,dr,er,ar,br,m[10],1548603684,11),dr,er=rotl(er,10),ar,m[14],1548603684,7),cr,dr=rotl(dr,10),er,m[15],1548603684,7),cr=fn4(cr=rotl(cr,10),dr=fn4(dr,er=fn4(er,ar,br,cr,dr,m[8],1548603684,12),ar,br=rotl(br,10),cr,m[12],1548603684,7),er,ar=rotl(ar,10),br,m[4],1548603684,6),er=fn4(er=rotl(er,10),ar=fn4(ar,br=fn4(br,cr,dr,er,ar,m[9],1548603684,15),cr,dr=rotl(dr,10),er,m[1],1548603684,13),br,cr=rotl(cr,10),dr,m[2],1548603684,11),br=fn3(br=rotl(br,10),cr=fn3(cr,dr=fn3(dr,er,ar,br,cr,m[15],1836072691,9),er,ar=rotl(ar,10),br,m[5],1836072691,7),dr,er=rotl(er,10),ar,m[1],1836072691,15),dr=fn3(dr=rotl(dr,10),er=fn3(er,ar=fn3(ar,br,cr,dr,er,m[3],1836072691,11),br,cr=rotl(cr,10),dr,m[7],1836072691,8),ar,br=rotl(br,10),cr,m[14],1836072691,6),ar=fn3(ar=rotl(ar,10),br=fn3(br,cr=fn3(cr,dr,er,ar,br,m[6],1836072691,6),dr,er=rotl(er,10),ar,m[9],1836072691,14),cr,dr=rotl(dr,10),er,m[11],1836072691,12),cr=fn3(cr=rotl(cr,10),dr=fn3(dr,er=fn3(er,ar,br,cr,dr,m[8],1836072691,13),ar,br=rotl(br,10),cr,m[12],1836072691,5),er,ar=rotl(ar,10),br,m[2],1836072691,14),er=fn3(er=rotl(er,10),ar=fn3(ar,br=fn3(br,cr,dr,er,ar,m[10],1836072691,13),cr,dr=rotl(dr,10),er,m[0],1836072691,13),br,cr=rotl(cr,10),dr,m[4],1836072691,7),br=fn2(br=rotl(br,10),cr=fn2(cr,dr=fn3(dr,er,ar,br,cr,m[13],1836072691,5),er,ar=rotl(ar,10),br,m[8],2053994217,15),dr,er=rotl(er,10),ar,m[6],2053994217,5),dr=fn2(dr=rotl(dr,10),er=fn2(er,ar=fn2(ar,br,cr,dr,er,m[4],2053994217,8),br,cr=rotl(cr,10),dr,m[1],2053994217,11),ar,br=rotl(br,10),cr,m[3],2053994217,14),ar=fn2(ar=rotl(ar,10),br=fn2(br,cr=fn2(cr,dr,er,ar,br,m[11],2053994217,14),dr,er=rotl(er,10),ar,m[15],2053994217,6),cr,dr=rotl(dr,10),er,m[0],2053994217,14),cr=fn2(cr=rotl(cr,10),dr=fn2(dr,er=fn2(er,ar,br,cr,dr,m[5],2053994217,6),ar,br=rotl(br,10),cr,m[12],2053994217,9),er,ar=rotl(ar,10),br,m[2],2053994217,12),er=fn2(er=rotl(er,10),ar=fn2(ar,br=fn2(br,cr,dr,er,ar,m[13],2053994217,9),cr,dr=rotl(dr,10),er,m[9],2053994217,12),br,cr=rotl(cr,10),dr,m[7],2053994217,5),br=fn1(br=rotl(br,10),cr=fn2(cr,dr=fn2(dr,er,ar,br,cr,m[10],2053994217,15),er,ar=rotl(ar,10),br,m[14],2053994217,8),dr,er=rotl(er,10),ar,m[12],0,8),dr=fn1(dr=rotl(dr,10),er=fn1(er,ar=fn1(ar,br,cr,dr,er,m[15],0,5),br,cr=rotl(cr,10),dr,m[10],0,12),ar,br=rotl(br,10),cr,m[4],0,9),ar=fn1(ar=rotl(ar,10),br=fn1(br,cr=fn1(cr,dr,er,ar,br,m[1],0,12),dr,er=rotl(er,10),ar,m[5],0,5),cr,dr=rotl(dr,10),er,m[8],0,14),cr=fn1(cr=rotl(cr,10),dr=fn1(dr,er=fn1(er,ar,br,cr,dr,m[7],0,6),ar,br=rotl(br,10),cr,m[6],0,8),er,ar=rotl(ar,10),br,m[2],0,13),er=fn1(er=rotl(er,10),ar=fn1(ar,br=fn1(br,cr,dr,er,ar,m[13],0,6),cr,dr=rotl(dr,10),er,m[14],0,5),br,cr=rotl(cr,10),dr,m[0],0,15),br=fn1(br=rotl(br,10),cr=fn1(cr,dr=fn1(dr,er,ar,br,cr,m[3],0,13),er,ar=rotl(ar,10),br,m[9],0,11),dr,er=rotl(er,10),ar,m[11],0,11),dr=rotl(dr,10);var t=this._b+cl+dr|0;this._b=this._c+dl+er|0,this._c=this._d+el+ar|0,this._d=this._e+al+br|0,this._e=this._a+bl+cr|0,this._a=t},RIPEMD160.prototype._digest=function(){this._block[this._blockOffset++]=128,this._blockOffset>56&&(this._block.fill(0,this._blockOffset,64),this._update(),this._blockOffset=0),this._block.fill(0,this._blockOffset,56),this._block.writeUInt32LE(this._length[0],56),this._block.writeUInt32LE(this._length[1],60),this._update();var buffer=new Buffer(20);return buffer.writeInt32LE(this._a,0),buffer.writeInt32LE(this._b,4),buffer.writeInt32LE(this._c,8),buffer.writeInt32LE(this._d,12),buffer.writeInt32LE(this._e,16),buffer};function rotl(x,n){return x<<n|x>>>32-n}function fn1(a,b,c,d,e,m,k,s){return rotl(a+(b^c^d)+m+k|0,s)+e|0}function fn2(a,b,c,d,e,m,k,s){return rotl(a+(b&c|~b&d)+m+k|0,s)+e|0}function fn3(a,b,c,d,e,m,k,s){return rotl(a+((b|~c)^d)+m+k|0,s)+e|0}function fn4(a,b,c,d,e,m,k,s){return rotl(a+(b&d|c&~d)+m+k|0,s)+e|0}function fn5(a,b,c,d,e,m,k,s){return rotl(a+(b^(c|~d))+m+k|0,s)+e|0}module.exports=RIPEMD160}).call(this,require("buffer").Buffer)},{buffer:70,"hash-base":128,inherits:145}],195:[function(require,module,exports){var buffer=require("buffer"),Buffer=buffer.Buffer;function copyProps(src,dst){for(var key in src)dst[key]=src[key]}Buffer.from&&Buffer.alloc&&Buffer.allocUnsafe&&Buffer.allocUnsafeSlow?module.exports=buffer:(copyProps(buffer,exports),exports.Buffer=SafeBuffer);function SafeBuffer(arg,encodingOrOffset,length){return Buffer(arg,encodingOrOffset,length)}copyProps(Buffer,SafeBuffer),SafeBuffer.from=function(arg,encodingOrOffset,length){if("number"==typeof arg)throw new TypeError("Argument must not be a number");return Buffer(arg,encodingOrOffset,length)},SafeBuffer.alloc=function(size,fill,encoding){if("number"!=typeof size)throw new TypeError("Argument must be a number");var buf=Buffer(size);return void 0!==fill?"string"==typeof encoding?buf.fill(fill,encoding):buf.fill(fill):buf.fill(0),buf},SafeBuffer.allocUnsafe=function(size){if("number"!=typeof size)throw new TypeError("Argument must be a number");return Buffer(size)},SafeBuffer.allocUnsafeSlow=function(size){if("number"!=typeof size)throw new TypeError("Argument must be a number");return buffer.SlowBuffer(size)}},{buffer:70}],196:[function(require,module,exports){var Buffer=require("safe-buffer").Buffer;function Hash(blockSize,finalSize){this._block=Buffer.alloc(blockSize),this._finalSize=finalSize,this._blockSize=blockSize,this._len=0}Hash.prototype.update=function(data,enc){"string"==typeof data&&(enc=enc||"utf8",data=Buffer.from(data,enc));for(var block=this._block,blockSize=this._blockSize,length=data.length,accum=this._len,offset=0;offset<length;){for(var assigned=accum%blockSize,remainder=Math.min(length-offset,blockSize-assigned),i=0;i<remainder;i++)block[assigned+i]=data[offset+i];offset+=remainder,(accum+=remainder)%blockSize==0&&this._update(block)}return this._len+=length,this},Hash.prototype.digest=function(enc){var rem=this._len%this._blockSize;this._block[rem]=128,this._block.fill(0,rem+1),rem>=this._finalSize&&(this._update(this._block),this._block.fill(0));var bits=8*this._len;if(bits<=4294967295)this._block.writeUInt32BE(bits,this._blockSize-4);else{var lowBits=4294967295&bits,highBits=(bits-lowBits)/4294967296;this._block.writeUInt32BE(highBits,this._blockSize-8),this._block.writeUInt32BE(lowBits,this._blockSize-4)}this._update(this._block);var hash=this._hash();return enc?hash.toString(enc):hash},Hash.prototype._update=function(){throw new Error("_update must be implemented by subclass")},module.exports=Hash},{"safe-buffer":195}],197:[function(require,module,exports){(exports=module.exports=function(algorithm){algorithm=algorithm.toLowerCase();var Algorithm=exports[algorithm];if(!Algorithm)throw new Error(algorithm+" is not supported (we accept pull requests)");return new Algorithm}).sha=require("./sha"),exports.sha1=require("./sha1"),exports.sha224=require("./sha224"),exports.sha256=require("./sha256"),exports.sha384=require("./sha384"),exports.sha512=require("./sha512")},{"./sha":198,"./sha1":199,"./sha224":200,"./sha256":201,"./sha384":202,"./sha512":203}],198:[function(require,module,exports){var inherits=require("inherits"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,K=[1518500249,1859775393,-1894007588,-899497514],W=new Array(80);function Sha(){this.init(),this._w=W,Hash.call(this,64,56)}inherits(Sha,Hash),Sha.prototype.init=function(){return this._a=1732584193,this._b=4023233417,this._c=2562383102,this._d=271733878,this._e=3285377520,this};function rotl30(num){return num<<30|num>>>2}function ft(s,b,c,d){return 0===s?b&c|~b&d:2===s?b&c|b&d|c&d:b^c^d}Sha.prototype._update=function(M){for(var W=this._w,a=0|this._a,b=0|this._b,c=0|this._c,d=0|this._d,e=0|this._e,i=0;i<16;++i)W[i]=M.readInt32BE(4*i);for(;i<80;++i)W[i]=W[i-3]^W[i-8]^W[i-14]^W[i-16];for(var j=0;j<80;++j){var s=~~(j/20),t=0|(num=a,(num<<5|num>>>27)+ft(s,b,c,d)+e+W[j]+K[s]);e=d,d=c,c=rotl30(b),b=a,a=t}var num;this._a=a+this._a|0,this._b=b+this._b|0,this._c=c+this._c|0,this._d=d+this._d|0,this._e=e+this._e|0},Sha.prototype._hash=function(){var H=Buffer.allocUnsafe(20);return H.writeInt32BE(0|this._a,0),H.writeInt32BE(0|this._b,4),H.writeInt32BE(0|this._c,8),H.writeInt32BE(0|this._d,12),H.writeInt32BE(0|this._e,16),H},module.exports=Sha},{"./hash":196,inherits:145,"safe-buffer":195}],199:[function(require,module,exports){var inherits=require("inherits"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,K=[1518500249,1859775393,-1894007588,-899497514],W=new Array(80);function Sha1(){this.init(),this._w=W,Hash.call(this,64,56)}inherits(Sha1,Hash),Sha1.prototype.init=function(){return this._a=1732584193,this._b=4023233417,this._c=2562383102,this._d=271733878,this._e=3285377520,this};function rotl5(num){return num<<5|num>>>27}function rotl30(num){return num<<30|num>>>2}function ft(s,b,c,d){return 0===s?b&c|~b&d:2===s?b&c|b&d|c&d:b^c^d}Sha1.prototype._update=function(M){for(var W=this._w,a=0|this._a,b=0|this._b,c=0|this._c,d=0|this._d,e=0|this._e,i=0;i<16;++i)W[i]=M.readInt32BE(4*i);for(;i<80;++i)W[i]=(num=W[i-3]^W[i-8]^W[i-14]^W[i-16],num<<1|num>>>31);for(var num,j=0;j<80;++j){var s=~~(j/20),t=rotl5(a)+ft(s,b,c,d)+e+W[j]+K[s]|0;e=d,d=c,c=rotl30(b),b=a,a=t}this._a=a+this._a|0,this._b=b+this._b|0,this._c=c+this._c|0,this._d=d+this._d|0,this._e=e+this._e|0},Sha1.prototype._hash=function(){var H=Buffer.allocUnsafe(20);return H.writeInt32BE(0|this._a,0),H.writeInt32BE(0|this._b,4),H.writeInt32BE(0|this._c,8),H.writeInt32BE(0|this._d,12),H.writeInt32BE(0|this._e,16),H},module.exports=Sha1},{"./hash":196,inherits:145,"safe-buffer":195}],200:[function(require,module,exports){var inherits=require("inherits"),Sha256=require("./sha256"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,W=new Array(64);function Sha224(){this.init(),this._w=W,Hash.call(this,64,56)}inherits(Sha224,Sha256),Sha224.prototype.init=function(){return this._a=3238371032,this._b=914150663,this._c=812702999,this._d=4144912697,this._e=4290775857,this._f=1750603025,this._g=1694076839,this._h=3204075428,this},Sha224.prototype._hash=function(){var H=Buffer.allocUnsafe(28);return H.writeInt32BE(this._a,0),H.writeInt32BE(this._b,4),H.writeInt32BE(this._c,8),H.writeInt32BE(this._d,12),H.writeInt32BE(this._e,16),H.writeInt32BE(this._f,20),H.writeInt32BE(this._g,24),H},module.exports=Sha224},{"./hash":196,"./sha256":201,inherits:145,"safe-buffer":195}],201:[function(require,module,exports){var inherits=require("inherits"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,K=[1116352408,1899447441,3049323471,3921009573,961987163,1508970993,2453635748,2870763221,3624381080,310598401,607225278,1426881987,1925078388,2162078206,2614888103,3248222580,3835390401,4022224774,264347078,604807628,770255983,1249150122,1555081692,1996064986,2554220882,2821834349,2952996808,3210313671,3336571891,3584528711,113926993,338241895,666307205,773529912,1294757372,1396182291,1695183700,1986661051,2177026350,2456956037,2730485921,2820302411,3259730800,3345764771,3516065817,3600352804,4094571909,275423344,430227734,506948616,659060556,883997877,958139571,1322822218,1537002063,1747873779,1955562222,2024104815,2227730452,2361852424,2428436474,2756734187,3204031479,3329325298],W=new Array(64);function Sha256(){this.init(),this._w=W,Hash.call(this,64,56)}inherits(Sha256,Hash),Sha256.prototype.init=function(){return this._a=1779033703,this._b=3144134277,this._c=1013904242,this._d=2773480762,this._e=1359893119,this._f=2600822924,this._g=528734635,this._h=1541459225,this};function ch(x,y,z){return z^x&(y^z)}function maj(x,y,z){return x&y|z&(x|y)}function sigma0(x){return(x>>>2|x<<30)^(x>>>13|x<<19)^(x>>>22|x<<10)}function sigma1(x){return(x>>>6|x<<26)^(x>>>11|x<<21)^(x>>>25|x<<7)}function gamma0(x){return(x>>>7|x<<25)^(x>>>18|x<<14)^x>>>3}Sha256.prototype._update=function(M){for(var W=this._w,a=0|this._a,b=0|this._b,c=0|this._c,d=0|this._d,e=0|this._e,f=0|this._f,g=0|this._g,h=0|this._h,i=0;i<16;++i)W[i]=M.readInt32BE(4*i);for(;i<64;++i)W[i]=0|(x=W[i-2],((x>>>17|x<<15)^(x>>>19|x<<13)^x>>>10)+W[i-7]+gamma0(W[i-15])+W[i-16]);for(var x,j=0;j<64;++j){var T1=h+sigma1(e)+ch(e,f,g)+K[j]+W[j]|0,T2=sigma0(a)+maj(a,b,c)|0;h=g,g=f,f=e,e=d+T1|0,d=c,c=b,b=a,a=T1+T2|0}this._a=a+this._a|0,this._b=b+this._b|0,this._c=c+this._c|0,this._d=d+this._d|0,this._e=e+this._e|0,this._f=f+this._f|0,this._g=g+this._g|0,this._h=h+this._h|0},Sha256.prototype._hash=function(){var H=Buffer.allocUnsafe(32);return H.writeInt32BE(this._a,0),H.writeInt32BE(this._b,4),H.writeInt32BE(this._c,8),H.writeInt32BE(this._d,12),H.writeInt32BE(this._e,16),H.writeInt32BE(this._f,20),H.writeInt32BE(this._g,24),H.writeInt32BE(this._h,28),H},module.exports=Sha256},{"./hash":196,inherits:145,"safe-buffer":195}],202:[function(require,module,exports){var inherits=require("inherits"),SHA512=require("./sha512"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,W=new Array(160);function Sha384(){this.init(),this._w=W,Hash.call(this,128,112)}inherits(Sha384,SHA512),Sha384.prototype.init=function(){return this._ah=3418070365,this._bh=1654270250,this._ch=2438529370,this._dh=355462360,this._eh=1731405415,this._fh=2394180231,this._gh=3675008525,this._hh=1203062813,this._al=3238371032,this._bl=914150663,this._cl=812702999,this._dl=4144912697,this._el=4290775857,this._fl=1750603025,this._gl=1694076839,this._hl=3204075428,this},Sha384.prototype._hash=function(){var H=Buffer.allocUnsafe(48);function writeInt64BE(h,l,offset){H.writeInt32BE(h,offset),H.writeInt32BE(l,offset+4)}return writeInt64BE(this._ah,this._al,0),writeInt64BE(this._bh,this._bl,8),writeInt64BE(this._ch,this._cl,16),writeInt64BE(this._dh,this._dl,24),writeInt64BE(this._eh,this._el,32),writeInt64BE(this._fh,this._fl,40),H},module.exports=Sha384},{"./hash":196,"./sha512":203,inherits:145,"safe-buffer":195}],203:[function(require,module,exports){var inherits=require("inherits"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,K=[1116352408,3609767458,1899447441,602891725,3049323471,3964484399,3921009573,2173295548,961987163,4081628472,1508970993,3053834265,2453635748,2937671579,2870763221,3664609560,3624381080,2734883394,310598401,1164996542,607225278,1323610764,1426881987,3590304994,1925078388,4068182383,2162078206,991336113,2614888103,633803317,3248222580,3479774868,3835390401,2666613458,4022224774,944711139,264347078,2341262773,604807628,2007800933,770255983,1495990901,1249150122,1856431235,1555081692,3175218132,1996064986,2198950837,2554220882,3999719339,2821834349,766784016,2952996808,2566594879,3210313671,3203337956,3336571891,1034457026,3584528711,2466948901,113926993,3758326383,338241895,168717936,666307205,1188179964,773529912,1546045734,1294757372,1522805485,1396182291,2643833823,1695183700,2343527390,1986661051,1014477480,2177026350,1206759142,2456956037,344077627,2730485921,1290863460,2820302411,3158454273,3259730800,3505952657,3345764771,106217008,3516065817,3606008344,3600352804,1432725776,4094571909,1467031594,275423344,851169720,430227734,3100823752,506948616,1363258195,659060556,3750685593,883997877,3785050280,958139571,3318307427,1322822218,3812723403,1537002063,2003034995,1747873779,3602036899,1955562222,1575990012,2024104815,1125592928,2227730452,2716904306,2361852424,442776044,2428436474,593698344,2756734187,3733110249,3204031479,2999351573,3329325298,3815920427,3391569614,3928383900,3515267271,566280711,3940187606,3454069534,4118630271,4000239992,116418474,1914138554,174292421,2731055270,289380356,3203993006,460393269,320620315,685471733,587496836,852142971,1086792851,1017036298,365543100,1126000580,2618297676,1288033470,3409855158,1501505948,4234509866,1607167915,987167468,1816402316,1246189591],W=new Array(160);function Sha512(){this.init(),this._w=W,Hash.call(this,128,112)}inherits(Sha512,Hash),Sha512.prototype.init=function(){return this._ah=1779033703,this._bh=3144134277,this._ch=1013904242,this._dh=2773480762,this._eh=1359893119,this._fh=2600822924,this._gh=528734635,this._hh=1541459225,this._al=4089235720,this._bl=2227873595,this._cl=4271175723,this._dl=1595750129,this._el=2917565137,this._fl=725511199,this._gl=4215389547,this._hl=327033209,this};function Ch(x,y,z){return z^x&(y^z)}function maj(x,y,z){return x&y|z&(x|y)}function sigma0(x,xl){return(x>>>28|xl<<4)^(xl>>>2|x<<30)^(xl>>>7|x<<25)}function sigma1(x,xl){return(x>>>14|xl<<18)^(x>>>18|xl<<14)^(xl>>>9|x<<23)}function Gamma0(x,xl){return(x>>>1|xl<<31)^(x>>>8|xl<<24)^x>>>7}function Gamma0l(x,xl){return(x>>>1|xl<<31)^(x>>>8|xl<<24)^(x>>>7|xl<<25)}function Gamma1(x,xl){return(x>>>19|xl<<13)^(xl>>>29|x<<3)^x>>>6}function Gamma1l(x,xl){return(x>>>19|xl<<13)^(xl>>>29|x<<3)^(x>>>6|xl<<26)}function getCarry(a,b){return a>>>0<b>>>0?1:0}Sha512.prototype._update=function(M){for(var W=this._w,ah=0|this._ah,bh=0|this._bh,ch=0|this._ch,dh=0|this._dh,eh=0|this._eh,fh=0|this._fh,gh=0|this._gh,hh=0|this._hh,al=0|this._al,bl=0|this._bl,cl=0|this._cl,dl=0|this._dl,el=0|this._el,fl=0|this._fl,gl=0|this._gl,hl=0|this._hl,i=0;i<32;i+=2)W[i]=M.readInt32BE(4*i),W[i+1]=M.readInt32BE(4*i+4);for(;i<160;i+=2){var xh=W[i-30],xl=W[i-30+1],gamma0=Gamma0(xh,xl),gamma0l=Gamma0l(xl,xh),gamma1=Gamma1(xh=W[i-4],xl=W[i-4+1]),gamma1l=Gamma1l(xl,xh),Wi7h=W[i-14],Wi7l=W[i-14+1],Wi16h=W[i-32],Wi16l=W[i-32+1],Wil=gamma0l+Wi7l|0,Wih=gamma0+Wi7h+getCarry(Wil,gamma0l)|0;Wih=(Wih=Wih+gamma1+getCarry(Wil=Wil+gamma1l|0,gamma1l)|0)+Wi16h+getCarry(Wil=Wil+Wi16l|0,Wi16l)|0,W[i]=Wih,W[i+1]=Wil}for(var j=0;j<160;j+=2){Wih=W[j],Wil=W[j+1];var majh=maj(ah,bh,ch),majl=maj(al,bl,cl),sigma0h=sigma0(ah,al),sigma0l=sigma0(al,ah),sigma1h=sigma1(eh,el),sigma1l=sigma1(el,eh),Kih=K[j],Kil=K[j+1],chh=Ch(eh,fh,gh),chl=Ch(el,fl,gl),t1l=hl+sigma1l|0,t1h=hh+sigma1h+getCarry(t1l,hl)|0;t1h=(t1h=(t1h=t1h+chh+getCarry(t1l=t1l+chl|0,chl)|0)+Kih+getCarry(t1l=t1l+Kil|0,Kil)|0)+Wih+getCarry(t1l=t1l+Wil|0,Wil)|0;var t2l=sigma0l+majl|0,t2h=sigma0h+majh+getCarry(t2l,sigma0l)|0;hh=gh,hl=gl,gh=fh,gl=fl,fh=eh,fl=el,eh=dh+t1h+getCarry(el=dl+t1l|0,dl)|0,dh=ch,dl=cl,ch=bh,cl=bl,bh=ah,bl=al,ah=t1h+t2h+getCarry(al=t1l+t2l|0,t1l)|0}this._al=this._al+al|0,this._bl=this._bl+bl|0,this._cl=this._cl+cl|0,this._dl=this._dl+dl|0,this._el=this._el+el|0,this._fl=this._fl+fl|0,this._gl=this._gl+gl|0,this._hl=this._hl+hl|0,this._ah=this._ah+ah+getCarry(this._al,al)|0,this._bh=this._bh+bh+getCarry(this._bl,bl)|0,this._ch=this._ch+ch+getCarry(this._cl,cl)|0,this._dh=this._dh+dh+getCarry(this._dl,dl)|0,this._eh=this._eh+eh+getCarry(this._el,el)|0,this._fh=this._fh+fh+getCarry(this._fl,fl)|0,this._gh=this._gh+gh+getCarry(this._gl,gl)|0,this._hh=this._hh+hh+getCarry(this._hl,hl)|0},Sha512.prototype._hash=function(){var H=Buffer.allocUnsafe(64);function writeInt64BE(h,l,offset){H.writeInt32BE(h,offset),H.writeInt32BE(l,offset+4)}return writeInt64BE(this._ah,this._al,0),writeInt64BE(this._bh,this._bl,8),writeInt64BE(this._ch,this._cl,16),writeInt64BE(this._dh,this._dl,24),writeInt64BE(this._eh,this._el,32),writeInt64BE(this._fh,this._fl,40),writeInt64BE(this._gh,this._gl,48),writeInt64BE(this._hh,this._hl,56),H},module.exports=Sha512},{"./hash":196,inherits:145,"safe-buffer":195}],204:[function(require,module,exports){module.exports=Stream;var EE=require("events").EventEmitter;require("inherits")(Stream,EE),Stream.Readable=require("readable-stream/readable.js"),Stream.Writable=require("readable-stream/writable.js"),Stream.Duplex=require("readable-stream/duplex.js"),Stream.Transform=require("readable-stream/transform.js"),Stream.PassThrough=require("readable-stream/passthrough.js"),Stream.Stream=Stream;function Stream(){EE.call(this)}Stream.prototype.pipe=function(dest,options){var source=this;function ondata(chunk){dest.writable&&!1===dest.write(chunk)&&source.pause&&source.pause()}source.on("data",ondata);function ondrain(){source.readable&&source.resume&&source.resume()}dest.on("drain",ondrain),dest._isStdio||options&&!1===options.end||(source.on("end",onend),source.on("close",onclose));var didOnEnd=!1;function onend(){didOnEnd||(didOnEnd=!0,dest.end())}function onclose(){didOnEnd||(didOnEnd=!0,"function"==typeof dest.destroy&&dest.destroy())}function onerror(er){if(cleanup(),0===EE.listenerCount(this,"error"))throw er}source.on("error",onerror),dest.on("error",onerror);function cleanup(){source.removeListener("data",ondata),dest.removeListener("drain",ondrain),source.removeListener("end",onend),source.removeListener("close",onclose),source.removeListener("error",onerror),dest.removeListener("error",onerror),source.removeListener("end",cleanup),source.removeListener("close",cleanup),dest.removeListener("close",cleanup)}return source.on("end",cleanup),source.on("close",cleanup),dest.on("close",cleanup),dest.emit("pipe",source),dest}},{events:126,inherits:145,"readable-stream/duplex.js":180,"readable-stream/passthrough.js":190,"readable-stream/readable.js":191,"readable-stream/transform.js":192,"readable-stream/writable.js":193}],205:[function(require,module,exports){"use strict";var Buffer=require("safe-buffer").Buffer,isEncoding=Buffer.isEncoding||function(encoding){switch((encoding=""+encoding)&&encoding.toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"binary":case"base64":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":case"raw":return!0;default:return!1}};exports.StringDecoder=StringDecoder;function StringDecoder(encoding){this.encoding=function(enc){var nenc=function(enc){if(!enc)return"utf8";for(var retried;;)switch(enc){case"utf8":case"utf-8":return"utf8";case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return"utf16le";case"latin1":case"binary":return"latin1";case"base64":case"ascii":case"hex":return enc;default:if(retried)return;enc=(""+enc).toLowerCase(),retried=!0}}(enc);if("string"!=typeof nenc&&(Buffer.isEncoding===isEncoding||!isEncoding(enc)))throw new Error("Unknown encoding: "+enc);return nenc||enc}(encoding);var nb;switch(this.encoding){case"utf16le":this.text=utf16Text,this.end=utf16End,nb=4;break;case"utf8":this.fillLast=utf8FillLast,nb=4;break;case"base64":this.text=base64Text,this.end=base64End,nb=3;break;default:return this.write=simpleWrite,void(this.end=simpleEnd)}this.lastNeed=0,this.lastTotal=0,this.lastChar=Buffer.allocUnsafe(nb)}StringDecoder.prototype.write=function(buf){if(0===buf.length)return"";var r,i;if(this.lastNeed){if(void 0===(r=this.fillLast(buf)))return"";i=this.lastNeed,this.lastNeed=0}else i=0;return i<buf.length?r?r+this.text(buf,i):this.text(buf,i):r||""},StringDecoder.prototype.end=function(buf){var r=buf&&buf.length?this.write(buf):"";return this.lastNeed?r+"�".repeat(this.lastTotal-this.lastNeed):r},StringDecoder.prototype.text=function(buf,i){var total=function(self,buf,i){var j=buf.length-1;if(j<i)return 0;var nb=utf8CheckByte(buf[j]);if(nb>=0)return nb>0&&(self.lastNeed=nb-1),nb;if(--j<i)return 0;if((nb=utf8CheckByte(buf[j]))>=0)return nb>0&&(self.lastNeed=nb-2),nb;if(--j<i)return 0;if((nb=utf8CheckByte(buf[j]))>=0)return nb>0&&(2===nb?nb=0:self.lastNeed=nb-3),nb;return 0}(this,buf,i);if(!this.lastNeed)return buf.toString("utf8",i);this.lastTotal=total;var end=buf.length-(total-this.lastNeed);return buf.copy(this.lastChar,0,end),buf.toString("utf8",i,end)},StringDecoder.prototype.fillLast=function(buf){if(this.lastNeed<=buf.length)return buf.copy(this.lastChar,this.lastTotal-this.lastNeed,0,this.lastNeed),this.lastChar.toString(this.encoding,0,this.lastTotal);buf.copy(this.lastChar,this.lastTotal-this.lastNeed,0,buf.length),this.lastNeed-=buf.length};function utf8CheckByte(byte){return byte<=127?0:byte>>5==6?2:byte>>4==14?3:byte>>3==30?4:-1}function utf8FillLast(buf){var p=this.lastTotal-this.lastNeed,r=function(self,buf,p){if(128!=(192&buf[0]))return self.lastNeed=0,"�".repeat(p);if(self.lastNeed>1&&buf.length>1){if(128!=(192&buf[1]))return self.lastNeed=1,"�".repeat(p+1);if(self.lastNeed>2&&buf.length>2&&128!=(192&buf[2]))return self.lastNeed=2,"�".repeat(p+2)}}(this,buf,p);return void 0!==r?r:this.lastNeed<=buf.length?(buf.copy(this.lastChar,p,0,this.lastNeed),this.lastChar.toString(this.encoding,0,this.lastTotal)):(buf.copy(this.lastChar,p,0,buf.length),void(this.lastNeed-=buf.length))}function utf16Text(buf,i){if((buf.length-i)%2==0){var r=buf.toString("utf16le",i);if(r){var c=r.charCodeAt(r.length-1);if(c>=55296&&c<=56319)return this.lastNeed=2,this.lastTotal=4,this.lastChar[0]=buf[buf.length-2],this.lastChar[1]=buf[buf.length-1],r.slice(0,-1)}return r}return this.lastNeed=1,this.lastTotal=2,this.lastChar[0]=buf[buf.length-1],buf.toString("utf16le",i,buf.length-1)}function utf16End(buf){var r=buf&&buf.length?this.write(buf):"";if(this.lastNeed){var end=this.lastTotal-this.lastNeed;return r+this.lastChar.toString("utf16le",0,end)}return r}function base64Text(buf,i){var n=(buf.length-i)%3;return 0===n?buf.toString("base64",i):(this.lastNeed=3-n,this.lastTotal=3,1===n?this.lastChar[0]=buf[buf.length-1]:(this.lastChar[0]=buf[buf.length-2],this.lastChar[1]=buf[buf.length-1]),buf.toString("base64",i,buf.length-n))}function base64End(buf){var r=buf&&buf.length?this.write(buf):"";return this.lastNeed?r+this.lastChar.toString("base64",0,3-this.lastNeed):r}function simpleWrite(buf){return buf.toString(this.encoding)}function simpleEnd(buf){return buf&&buf.length?this.write(buf):""}},{"safe-buffer":195}],206:[function(require,module,exports){!function(root){"use strict";for(var DEFAULT_FEATURE=[null,0,{}],CACHE_THRESHOLD=10,SBase=44032,LBase=4352,VBase=4449,TBase=4519,LCount=19,VCount=21,TCount=28,NCount=VCount*TCount,SCount=LCount*NCount,UChar=function(cp,feature){this.codepoint=cp,this.feature=feature},cache={},cacheCounter=[],i=0;i<=255;++i)cacheCounter[i]=0;var strategies=[function(next,cp,needFeature){return cp<60||13311<cp&&cp<42607?new UChar(cp,DEFAULT_FEATURE):next(cp,needFeature)},function(next,cp,needFeature){var ret=cache[cp];return ret||(ret=next(cp,needFeature)).feature&&++cacheCounter[cp>>8&255]>CACHE_THRESHOLD&&(cache[cp]=ret),ret},function(next,cp,needFeature){return needFeature?next(cp,needFeature):new UChar(cp,null)},function(next,cp,needFeature){var j;if(cp<LBase||LBase+LCount<=cp&&cp<SBase||SBase+SCount<cp)return next(cp,needFeature);if(LBase<=cp&&cp<LBase+LCount){var c={},base=(cp-LBase)*VCount;for(j=0;j<VCount;++j)c[VBase+j]=SBase+TCount*(j+base);return new UChar(cp,[,,c])}var SIndex=cp-SBase,TIndex=SIndex%TCount,feature=[];if(0!==TIndex)feature[0]=[SBase+SIndex-TIndex,TBase+TIndex];else for(feature[0]=[LBase+Math.floor(SIndex/NCount),VBase+Math.floor(SIndex%NCount/TCount)],feature[2]={},j=1;j<TCount;++j)feature[2][TBase+j]=cp+j;return new UChar(cp,feature)},function(next,cp,needFeature){var hash=65280&cp,f=(UChar.udata[hash]||{})[cp];return new UChar(cp,f||DEFAULT_FEATURE)}];UChar.fromCharCode=strategies.reduceRight(function(next,strategy){return function(cp,needFeature){return strategy(next,cp,needFeature)}},null),UChar.isHighSurrogate=function(cp){return cp>=55296&&cp<=56319},UChar.isLowSurrogate=function(cp){return cp>=56320&&cp<=57343},UChar.prototype.prepFeature=function(){this.feature||(this.feature=UChar.fromCharCode(this.codepoint,!0).feature)},UChar.prototype.toString=function(){if(this.codepoint<65536)return String.fromCharCode(this.codepoint);var x=this.codepoint-65536;return String.fromCharCode(Math.floor(x/1024)+55296,x%1024+56320)},UChar.prototype.getDecomp=function(){return this.prepFeature(),this.feature[0]||null},UChar.prototype.isCompatibility=function(){return this.prepFeature(),!!this.feature[1]&&256&this.feature[1]},UChar.prototype.isExclude=function(){return this.prepFeature(),!!this.feature[1]&&512&this.feature[1]},UChar.prototype.getCanonicalClass=function(){return this.prepFeature(),this.feature[1]?255&this.feature[1]:0},UChar.prototype.getComposite=function(following){if(this.prepFeature(),!this.feature[2])return null;var cp=this.feature[2][following.codepoint];return cp?UChar.fromCharCode(cp):null};var UCharIterator=function(str){this.str=str,this.cursor=0};UCharIterator.prototype.next=function(){if(this.str&&this.cursor<this.str.length){var d,cp=this.str.charCodeAt(this.cursor++);return UChar.isHighSurrogate(cp)&&this.cursor<this.str.length&&UChar.isLowSurrogate(d=this.str.charCodeAt(this.cursor))&&(cp=1024*(cp-55296)+(d-56320)+65536,++this.cursor),UChar.fromCharCode(cp)}return this.str=null,null};var RecursDecompIterator=function(it,cano){this.it=it,this.canonical=cano,this.resBuf=[]};RecursDecompIterator.prototype.next=function(){if(0===this.resBuf.length){var uchar=this.it.next();if(!uchar)return null;this.resBuf=function recursiveDecomp(cano,uchar){var decomp=uchar.getDecomp();if(!decomp||cano&&uchar.isCompatibility())return[uchar];for(var ret=[],i=0;i<decomp.length;++i){var a=recursiveDecomp(cano,UChar.fromCharCode(decomp[i]));ret=ret.concat(a)}return ret}(this.canonical,uchar)}return this.resBuf.shift()};var DecompIterator=function(it){this.it=it,this.resBuf=[]};DecompIterator.prototype.next=function(){var cc;if(0===this.resBuf.length)do{var uchar=this.it.next();if(!uchar)break;cc=uchar.getCanonicalClass();var inspt=this.resBuf.length;if(0!==cc)for(;inspt>0;--inspt){if(this.resBuf[inspt-1].getCanonicalClass()<=cc)break}this.resBuf.splice(inspt,0,uchar)}while(0!==cc);return this.resBuf.shift()};var CompIterator=function(it){this.it=it,this.procBuf=[],this.resBuf=[],this.lastClass=null};CompIterator.prototype.next=function(){for(;0===this.resBuf.length;){var uchar=this.it.next();if(!uchar){this.resBuf=this.procBuf,this.procBuf=[];break}if(0===this.procBuf.length)this.lastClass=uchar.getCanonicalClass(),this.procBuf.push(uchar);else{var composite=this.procBuf[0].getComposite(uchar),cc=uchar.getCanonicalClass();composite&&(this.lastClass<cc||0===this.lastClass)?this.procBuf[0]=composite:(0===cc&&(this.resBuf=this.procBuf,this.procBuf=[]),this.lastClass=cc,this.procBuf.push(uchar))}}return this.resBuf.shift()};var normalize=function(mode,str){for(var uchar,it=function(mode,str){switch(mode){case"NFD":return new DecompIterator(new RecursDecompIterator(new UCharIterator(str),!0));case"NFKD":return new DecompIterator(new RecursDecompIterator(new UCharIterator(str),!1));case"NFC":return new CompIterator(new DecompIterator(new RecursDecompIterator(new UCharIterator(str),!0)));case"NFKC":return new CompIterator(new DecompIterator(new RecursDecompIterator(new UCharIterator(str),!1)))}throw mode+" is invalid"}(mode,str),ret="";uchar=it.next();)ret+=uchar.toString();return 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unorm={nfc:function(str){return normalize("NFC",str)},nfd:function(str){return normalize("NFD",str)},nfkc:function(str){return normalize("NFKC",str)},nfkd:function(str){return normalize("NFKD",str)}};"object"==typeof module?module.exports=unorm:"function"==typeof define&&define.amd?define("unorm",function(){return unorm}):root.unorm=unorm,unorm.shimApplied=!1,String.prototype.normalize||(String.prototype.normalize=function(form){var str=""+this;if("NFC"===(form=void 0===form?"NFC":form))return unorm.nfc(str);if("NFD"===form)return unorm.nfd(str);if("NFKC"===form)return unorm.nfkc(str);if("NFKD"===form)return unorm.nfkd(str);throw new RangeError("Invalid normalization form: "+form)},unorm.shimApplied=!0)}(this)},{}],207:[function(require,module,exports){"use strict";var punycode=require("punycode"),util=require("./util");exports.parse=urlParse,exports.resolve=function(source,relative){return urlParse(source,!1,!0).resolve(relative)},exports.resolveObject=function(source,relative){return source?urlParse(source,!1,!0).resolveObject(relative):relative},exports.format=function(obj){util.isString(obj)&&(obj=urlParse(obj));return obj instanceof Url?obj.format():Url.prototype.format.call(obj)},exports.Url=Url;function Url(){this.protocol=null,this.slashes=null,this.auth=null,this.host=null,this.port=null,this.hostname=null,this.hash=null,this.search=null,this.query=null,this.pathname=null,this.path=null,this.href=null}var protocolPattern=/^([a-z0-9.+-]+:)/i,portPattern=/:[0-9]*$/,simplePathPattern=/^(\/\/?(?!\/)[^\?\s]*)(\?[^\s]*)?$/,unwise=["{","}","|","\\","^","`"].concat(["<",">",'"',"`"," ","\r","\n","\t"]),autoEscape=["'"].concat(unwise),nonHostChars=["%","/","?",";","#"].concat(autoEscape),hostEndingChars=["/","?","#"],hostnamePartPattern=/^[+a-z0-9A-Z_-]{0,63}$/,hostnamePartStart=/^([+a-z0-9A-Z_-]{0,63})(.*)$/,unsafeProtocol={javascript:!0,"javascript:":!0},hostlessProtocol={javascript:!0,"javascript:":!0},slashedProtocol={http:!0,https:!0,ftp:!0,gopher:!0,file:!0,"http:":!0,"https:":!0,"ftp:":!0,"gopher:":!0,"file:":!0},querystring=require("querystring");function urlParse(url,parseQueryString,slashesDenoteHost){if(url&&util.isObject(url)&&url instanceof Url)return url;var u=new Url;return u.parse(url,parseQueryString,slashesDenoteHost),u}Url.prototype.parse=function(url,parseQueryString,slashesDenoteHost){if(!util.isString(url))throw new TypeError("Parameter 'url' must be a string, not "+typeof url);var queryIndex=url.indexOf("?"),splitter=-1!==queryIndex&&queryIndex<url.indexOf("#")?"?":"#",uSplit=url.split(splitter);uSplit[0]=uSplit[0].replace(/\\/g,"/");var rest=url=uSplit.join(splitter);if(rest=rest.trim(),!slashesDenoteHost&&1===url.split("#").length){var simplePath=simplePathPattern.exec(rest);if(simplePath)return this.path=rest,this.href=rest,this.pathname=simplePath[1],simplePath[2]?(this.search=simplePath[2],this.query=parseQueryString?querystring.parse(this.search.substr(1)):this.search.substr(1)):parseQueryString&&(this.search="",this.query={}),this}var proto=protocolPattern.exec(rest);if(proto){var lowerProto=(proto=proto[0]).toLowerCase();this.protocol=lowerProto,rest=rest.substr(proto.length)}if(slashesDenoteHost||proto||rest.match(/^\/\/[^@\/]+@[^@\/]+/)){var slashes="//"===rest.substr(0,2);!slashes||proto&&hostlessProtocol[proto]||(rest=rest.substr(2),this.slashes=!0)}if(!hostlessProtocol[proto]&&(slashes||proto&&!slashedProtocol[proto])){for(var hostEnd=-1,i=0;i<hostEndingChars.length;i++){-1!==(hec=rest.indexOf(hostEndingChars[i]))&&(-1===hostEnd||hec<hostEnd)&&(hostEnd=hec)}var auth,atSign;-1!==(atSign=-1===hostEnd?rest.lastIndexOf("@"):rest.lastIndexOf("@",hostEnd))&&(auth=rest.slice(0,atSign),rest=rest.slice(atSign+1),this.auth=decodeURIComponent(auth)),hostEnd=-1;for(i=0;i<nonHostChars.length;i++){var hec;-1!==(hec=rest.indexOf(nonHostChars[i]))&&(-1===hostEnd||hec<hostEnd)&&(hostEnd=hec)}-1===hostEnd&&(hostEnd=rest.length),this.host=rest.slice(0,hostEnd),rest=rest.slice(hostEnd),this.parseHost(),this.hostname=this.hostname||"";var ipv6Hostname="["===this.hostname[0]&&"]"===this.hostname[this.hostname.length-1];if(!ipv6Hostname)for(var hostparts=this.hostname.split(/\./),l=(i=0,hostparts.length);i<l;i++){var part=hostparts[i];if(part&&!part.match(hostnamePartPattern)){for(var newpart="",j=0,k=part.length;j<k;j++)part.charCodeAt(j)>127?newpart+="x":newpart+=part[j];if(!newpart.match(hostnamePartPattern)){var validParts=hostparts.slice(0,i),notHost=hostparts.slice(i+1),bit=part.match(hostnamePartStart);bit&&(validParts.push(bit[1]),notHost.unshift(bit[2])),notHost.length&&(rest="/"+notHost.join(".")+rest),this.hostname=validParts.join(".");break}}}this.hostname.length>255?this.hostname="":this.hostname=this.hostname.toLowerCase(),ipv6Hostname||(this.hostname=punycode.toASCII(this.hostname));var p=this.port?":"+this.port:"",h=this.hostname||"";this.host=h+p,this.href+=this.host,ipv6Hostname&&(this.hostname=this.hostname.substr(1,this.hostname.length-2),"/"!==rest[0]&&(rest="/"+rest))}if(!unsafeProtocol[lowerProto])for(i=0,l=autoEscape.length;i<l;i++){var ae=autoEscape[i];if(-1!==rest.indexOf(ae)){var esc=encodeURIComponent(ae);esc===ae&&(esc=escape(ae)),rest=rest.split(ae).join(esc)}}var hash=rest.indexOf("#");-1!==hash&&(this.hash=rest.substr(hash),rest=rest.slice(0,hash));var qm=rest.indexOf("?");if(-1!==qm?(this.search=rest.substr(qm),this.query=rest.substr(qm+1),parseQueryString&&(this.query=querystring.parse(this.query)),rest=rest.slice(0,qm)):parseQueryString&&(this.search="",this.query={}),rest&&(this.pathname=rest),slashedProtocol[lowerProto]&&this.hostname&&!this.pathname&&(this.pathname="/"),this.pathname||this.search){p=this.pathname||"";var s=this.search||"";this.path=p+s}return this.href=this.format(),this};Url.prototype.format=function(){var auth=this.auth||"";auth&&(auth=(auth=encodeURIComponent(auth)).replace(/%3A/i,":"),auth+="@");var protocol=this.protocol||"",pathname=this.pathname||"",hash=this.hash||"",host=!1,query="";this.host?host=auth+this.host:this.hostname&&(host=auth+(-1===this.hostname.indexOf(":")?this.hostname:"["+this.hostname+"]"),this.port&&(host+=":"+this.port)),this.query&&util.isObject(this.query)&&Object.keys(this.query).length&&(query=querystring.stringify(this.query));var search=this.search||query&&"?"+query||"";return protocol&&":"!==protocol.substr(-1)&&(protocol+=":"),this.slashes||(!protocol||slashedProtocol[protocol])&&!1!==host?(host="//"+(host||""),pathname&&"/"!==pathname.charAt(0)&&(pathname="/"+pathname)):host||(host=""),hash&&"#"!==hash.charAt(0)&&(hash="#"+hash),search&&"?"!==search.charAt(0)&&(search="?"+search),protocol+host+(pathname=pathname.replace(/[?#]/g,function(match){return encodeURIComponent(match)}))+(search=search.replace("#","%23"))+hash};Url.prototype.resolve=function(relative){return this.resolveObject(urlParse(relative,!1,!0)).format()};Url.prototype.resolveObject=function(relative){if(util.isString(relative)){var rel=new Url;rel.parse(relative,!1,!0),relative=rel}for(var result=new Url,tkeys=Object.keys(this),tk=0;tk<tkeys.length;tk++){var tkey=tkeys[tk];result[tkey]=this[tkey]}if(result.hash=relative.hash,""===relative.href)return result.href=result.format(),result;if(relative.slashes&&!relative.protocol){for(var rkeys=Object.keys(relative),rk=0;rk<rkeys.length;rk++){var rkey=rkeys[rk];"protocol"!==rkey&&(result[rkey]=relative[rkey])}return slashedProtocol[result.protocol]&&result.hostname&&!result.pathname&&(result.path=result.pathname="/"),result.href=result.format(),result}if(relative.protocol&&relative.protocol!==result.protocol){if(!slashedProtocol[relative.protocol]){for(var keys=Object.keys(relative),v=0;v<keys.length;v++){var k=keys[v];result[k]=relative[k]}return result.href=result.format(),result}if(result.protocol=relative.protocol,relative.host||hostlessProtocol[relative.protocol])result.pathname=relative.pathname;else{for(var relPath=(relative.pathname||"").split("/");relPath.length&&!(relative.host=relPath.shift()););relative.host||(relative.host=""),relative.hostname||(relative.hostname=""),""!==relPath[0]&&relPath.unshift(""),relPath.length<2&&relPath.unshift(""),result.pathname=relPath.join("/")}if(result.search=relative.search,result.query=relative.query,result.host=relative.host||"",result.auth=relative.auth,result.hostname=relative.hostname||relative.host,result.port=relative.port,result.pathname||result.search){var p=result.pathname||"",s=result.search||"";result.path=p+s}return result.slashes=result.slashes||relative.slashes,result.href=result.format(),result}var isSourceAbs=result.pathname&&"/"===result.pathname.charAt(0),isRelAbs=relative.host||relative.pathname&&"/"===relative.pathname.charAt(0),mustEndAbs=isRelAbs||isSourceAbs||result.host&&relative.pathname,removeAllDots=mustEndAbs,srcPath=result.pathname&&result.pathname.split("/")||[],psychotic=(relPath=relative.pathname&&relative.pathname.split("/")||[],result.protocol&&!slashedProtocol[result.protocol]);if(psychotic&&(result.hostname="",result.port=null,result.host&&(""===srcPath[0]?srcPath[0]=result.host:srcPath.unshift(result.host)),result.host="",relative.protocol&&(relative.hostname=null,relative.port=null,relative.host&&(""===relPath[0]?relPath[0]=relative.host:relPath.unshift(relative.host)),relative.host=null),mustEndAbs=mustEndAbs&&(""===relPath[0]||""===srcPath[0])),isRelAbs)result.host=relative.host||""===relative.host?relative.host:result.host,result.hostname=relative.hostname||""===relative.hostname?relative.hostname:result.hostname,result.search=relative.search,result.query=relative.query,srcPath=relPath;else if(relPath.length)srcPath||(srcPath=[]),srcPath.pop(),srcPath=srcPath.concat(relPath),result.search=relative.search,result.query=relative.query;else if(!util.isNullOrUndefined(relative.search)){if(psychotic){result.hostname=result.host=srcPath.shift();(authInHost=!!(result.host&&result.host.indexOf("@")>0)&&result.host.split("@"))&&(result.auth=authInHost.shift(),result.host=result.hostname=authInHost.shift())}return result.search=relative.search,result.query=relative.query,util.isNull(result.pathname)&&util.isNull(result.search)||(result.path=(result.pathname?result.pathname:"")+(result.search?result.search:"")),result.href=result.format(),result}if(!srcPath.length)return result.pathname=null,result.search?result.path="/"+result.search:result.path=null,result.href=result.format(),result;for(var last=srcPath.slice(-1)[0],hasTrailingSlash=(result.host||relative.host||srcPath.length>1)&&("."===last||".."===last)||""===last,up=0,i=srcPath.length;i>=0;i--)"."===(last=srcPath[i])?srcPath.splice(i,1):".."===last?(srcPath.splice(i,1),up++):up&&(srcPath.splice(i,1),up--);if(!mustEndAbs&&!removeAllDots)for(;up--;up)srcPath.unshift("..");!mustEndAbs||""===srcPath[0]||srcPath[0]&&"/"===srcPath[0].charAt(0)||srcPath.unshift(""),hasTrailingSlash&&"/"!==srcPath.join("/").substr(-1)&&srcPath.push("");var isAbsolute=""===srcPath[0]||srcPath[0]&&"/"===srcPath[0].charAt(0);if(psychotic){result.hostname=result.host=isAbsolute?"":srcPath.length?srcPath.shift():"";var authInHost;(authInHost=!!(result.host&&result.host.indexOf("@")>0)&&result.host.split("@"))&&(result.auth=authInHost.shift(),result.host=result.hostname=authInHost.shift())}return(mustEndAbs=mustEndAbs||result.host&&srcPath.length)&&!isAbsolute&&srcPath.unshift(""),srcPath.length?result.pathname=srcPath.join("/"):(result.pathname=null,result.path=null),util.isNull(result.pathname)&&util.isNull(result.search)||(result.path=(result.pathname?result.pathname:"")+(result.search?result.search:"")),result.auth=relative.auth||result.auth,result.slashes=result.slashes||relative.slashes,result.href=result.format(),result},Url.prototype.parseHost=function(){var host=this.host,port=portPattern.exec(host);port&&(":"!==(port=port[0])&&(this.port=port.substr(1)),host=host.substr(0,host.length-port.length)),host&&(this.hostname=host)}},{"./util":208,punycode:174,querystring:177}],208:[function(require,module,exports){"use strict";module.exports={isString:function(arg){return"string"==typeof arg},isObject:function(arg){return"object"==typeof arg&&null!==arg},isNull:function(arg){return null===arg},isNullOrUndefined:function(arg){return null==arg}}},{}],209:[function(require,module,exports){(function(global){module.exports=function(fn,msg){if(config("noDeprecation"))return fn;var warned=!1;return function(){if(!warned){if(config("throwDeprecation"))throw new Error(msg);config("traceDeprecation")?console.trace(msg):console.warn(msg),warned=!0}return fn.apply(this,arguments)}};function config(name){try{if(!global.localStorage)return!1}catch(_){return!1}var val=global.localStorage[name];return null!=val&&"true"===String(val).toLowerCase()}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{}],210:[function(require,module,exports){module.exports=function(arg){return arg&&"object"==typeof arg&&"function"==typeof arg.copy&&"function"==typeof arg.fill&&"function"==typeof arg.readUInt8}},{}],211:[function(require,module,exports){(function(process,global){var formatRegExp=/%[sdj%]/g;exports.format=function(f){if(!isString(f)){for(var objects=[],i=0;i<arguments.length;i++)objects.push(inspect(arguments[i]));return objects.join(" ")}i=1;for(var args=arguments,len=args.length,str=String(f).replace(formatRegExp,function(x){if("%%"===x)return"%";if(i>=len)return x;switch(x){case"%s":return String(args[i++]);case"%d":return Number(args[i++]);case"%j":try{return JSON.stringify(args[i++])}catch(_){return"[Circular]"}default:return x}}),x=args[i];i<len;x=args[++i])isNull(x)||!isObject(x)?str+=" "+x:str+=" "+inspect(x);return str},exports.deprecate=function(fn,msg){if(isUndefined(global.process))return function(){return exports.deprecate(fn,msg).apply(this,arguments)};if(!0===process.noDeprecation)return fn;var warned=!1;return function(){if(!warned){if(process.throwDeprecation)throw new Error(msg);process.traceDeprecation?console.trace(msg):console.error(msg),warned=!0}return fn.apply(this,arguments)}};var debugEnviron,debugs={};exports.debuglog=function(set){if(isUndefined(debugEnviron)&&(debugEnviron=process.env.NODE_DEBUG||""),set=set.toUpperCase(),!debugs[set])if(new RegExp("\\b"+set+"\\b","i").test(debugEnviron)){var pid=process.pid;debugs[set]=function(){var msg=exports.format.apply(exports,arguments);console.error("%s %d: %s",set,pid,msg)}}else debugs[set]=function(){};return debugs[set]};function inspect(obj,opts){var ctx={seen:[],stylize:stylizeNoColor};return arguments.length>=3&&(ctx.depth=arguments[2]),arguments.length>=4&&(ctx.colors=arguments[3]),isBoolean(opts)?ctx.showHidden=opts:opts&&exports._extend(ctx,opts),isUndefined(ctx.showHidden)&&(ctx.showHidden=!1),isUndefined(ctx.depth)&&(ctx.depth=2),isUndefined(ctx.colors)&&(ctx.colors=!1),isUndefined(ctx.customInspect)&&(ctx.customInspect=!0),ctx.colors&&(ctx.stylize=stylizeWithColor),formatValue(ctx,obj,ctx.depth)}exports.inspect=inspect,inspect.colors={bold:[1,22],italic:[3,23],underline:[4,24],inverse:[7,27],white:[37,39],grey:[90,39],black:[30,39],blue:[34,39],cyan:[36,39],green:[32,39],magenta:[35,39],red:[31,39],yellow:[33,39]},inspect.styles={special:"cyan",number:"yellow",boolean:"yellow",undefined:"grey",null:"bold",string:"green",date:"magenta",regexp:"red"};function stylizeWithColor(str,styleType){var style=inspect.styles[styleType];return style?"["+inspect.colors[style][0]+"m"+str+"["+inspect.colors[style][1]+"m":str}function stylizeNoColor(str,styleType){return str}function formatValue(ctx,value,recurseTimes){if(ctx.customInspect&&value&&isFunction(value.inspect)&&value.inspect!==exports.inspect&&(!value.constructor||value.constructor.prototype!==value)){var ret=value.inspect(recurseTimes,ctx);return isString(ret)||(ret=formatValue(ctx,ret,recurseTimes)),ret}var primitive=function(ctx,value){if(isUndefined(value))return ctx.stylize("undefined","undefined");if(isString(value)){var simple="'"+JSON.stringify(value).replace(/^"|"$/g,"").replace(/'/g,"\\'").replace(/\\"/g,'"')+"'";return ctx.stylize(simple,"string")}if(isNumber(value))return ctx.stylize(""+value,"number");if(isBoolean(value))return ctx.stylize(""+value,"boolean");if(isNull(value))return ctx.stylize("null","null")}(ctx,value);if(primitive)return primitive;var keys=Object.keys(value),visibleKeys=function(array){var hash={};return array.forEach(function(val,idx){hash[val]=!0}),hash}(keys);if(ctx.showHidden&&(keys=Object.getOwnPropertyNames(value)),isError(value)&&(keys.indexOf("message")>=0||keys.indexOf("description")>=0))return formatError(value);if(0===keys.length){if(isFunction(value)){var name=value.name?": "+value.name:"";return ctx.stylize("[Function"+name+"]","special")}if(isRegExp(value))return ctx.stylize(RegExp.prototype.toString.call(value),"regexp");if(isDate(value))return ctx.stylize(Date.prototype.toString.call(value),"date");if(isError(value))return formatError(value)}var base="",array=!1,braces=["{","}"];if(isArray(value)&&(array=!0,braces=["[","]"]),isFunction(value)){base=" [Function"+(value.name?": "+value.name:"")+"]"}if(isRegExp(value)&&(base=" "+RegExp.prototype.toString.call(value)),isDate(value)&&(base=" "+Date.prototype.toUTCString.call(value)),isError(value)&&(base=" "+formatError(value)),0===keys.length&&(!array||0==value.length))return braces[0]+base+braces[1];if(recurseTimes<0)return isRegExp(value)?ctx.stylize(RegExp.prototype.toString.call(value),"regexp"):ctx.stylize("[Object]","special");ctx.seen.push(value);var output;return output=array?function(ctx,value,recurseTimes,visibleKeys,keys){for(var output=[],i=0,l=value.length;i<l;++i)hasOwnProperty(value,String(i))?output.push(formatProperty(ctx,value,recurseTimes,visibleKeys,String(i),!0)):output.push("");return keys.forEach(function(key){key.match(/^\d+$/)||output.push(formatProperty(ctx,value,recurseTimes,visibleKeys,key,!0))}),output}(ctx,value,recurseTimes,visibleKeys,keys):keys.map(function(key){return formatProperty(ctx,value,recurseTimes,visibleKeys,key,array)}),ctx.seen.pop(),function(output,base,braces){if(output.reduce(function(prev,cur){return 0,cur.indexOf("\n")>=0&&0,prev+cur.replace(/\u001b\[\d\d?m/g,"").length+1},0)>60)return braces[0]+(""===base?"":base+"\n ")+" "+output.join(",\n  ")+" "+braces[1];return braces[0]+base+" "+output.join(", ")+" "+braces[1]}(output,base,braces)}function formatError(value){return"["+Error.prototype.toString.call(value)+"]"}function formatProperty(ctx,value,recurseTimes,visibleKeys,key,array){var name,str,desc;if((desc=Object.getOwnPropertyDescriptor(value,key)||{value:value[key]}).get?str=desc.set?ctx.stylize("[Getter/Setter]","special"):ctx.stylize("[Getter]","special"):desc.set&&(str=ctx.stylize("[Setter]","special")),hasOwnProperty(visibleKeys,key)||(name="["+key+"]"),str||(ctx.seen.indexOf(desc.value)<0?(str=isNull(recurseTimes)?formatValue(ctx,desc.value,null):formatValue(ctx,desc.value,recurseTimes-1)).indexOf("\n")>-1&&(str=array?str.split("\n").map(function(line){return"  "+line}).join("\n").substr(2):"\n"+str.split("\n").map(function(line){return"   "+line}).join("\n")):str=ctx.stylize("[Circular]","special")),isUndefined(name)){if(array&&key.match(/^\d+$/))return str;(name=JSON.stringify(""+key)).match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)?(name=name.substr(1,name.length-2),name=ctx.stylize(name,"name")):(name=name.replace(/'/g,"\\'").replace(/\\"/g,'"').replace(/(^"|"$)/g,"'"),name=ctx.stylize(name,"string"))}return name+": "+str}function isArray(ar){return Array.isArray(ar)}exports.isArray=isArray;function isBoolean(arg){return"boolean"==typeof arg}exports.isBoolean=isBoolean;function isNull(arg){return null===arg}exports.isNull=isNull;exports.isNullOrUndefined=function(arg){return null==arg};function isNumber(arg){return"number"==typeof arg}exports.isNumber=isNumber;function isString(arg){return"string"==typeof arg}exports.isString=isString;exports.isSymbol=function(arg){return"symbol"==typeof arg};function isUndefined(arg){return void 0===arg}exports.isUndefined=isUndefined;function isRegExp(re){return isObject(re)&&"[object RegExp]"===objectToString(re)}exports.isRegExp=isRegExp;function isObject(arg){return"object"==typeof arg&&null!==arg}exports.isObject=isObject;function isDate(d){return isObject(d)&&"[object Date]"===objectToString(d)}exports.isDate=isDate;function isError(e){return isObject(e)&&("[object Error]"===objectToString(e)||e instanceof Error)}exports.isError=isError;function isFunction(arg){return"function"==typeof arg}exports.isFunction=isFunction;exports.isPrimitive=function(arg){return null===arg||"boolean"==typeof arg||"number"==typeof arg||"string"==typeof arg||"symbol"==typeof arg||void 0===arg},exports.isBuffer=require("./support/isBuffer");function objectToString(o){return Object.prototype.toString.call(o)}function pad(n){return n<10?"0"+n.toString(10):n.toString(10)}var months=["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];exports.log=function(){console.log("%s - %s",function(){var d=new Date,time=[pad(d.getHours()),pad(d.getMinutes()),pad(d.getSeconds())].join(":");return[d.getDate(),months[d.getMonth()],time].join(" ")}(),exports.format.apply(exports,arguments))},exports.inherits=require("inherits"),exports._extend=function(origin,add){if(!add||!isObject(add))return origin;for(var keys=Object.keys(add),i=keys.length;i--;)origin[keys[i]]=add[keys[i]];return origin};function hasOwnProperty(obj,prop){return Object.prototype.hasOwnProperty.call(obj,prop)}}).call(this,require("_process"),"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./support/isBuffer":210,_process:166,inherits:145}],212:[function(require,module,exports){var indexOf=require("indexof"),Object_keys=function(obj){if(Object.keys)return Object.keys(obj);var res=[];for(var key in obj)res.push(key);return res},forEach=function(xs,fn){if(xs.forEach)return xs.forEach(fn);for(var i=0;i<xs.length;i++)fn(xs[i],i,xs)},defineProp=function(){try{return Object.defineProperty({},"_",{}),function(obj,name,value){Object.defineProperty(obj,name,{writable:!0,enumerable:!1,configurable:!0,value:value})}}catch(e){return function(obj,name,value){obj[name]=value}}}(),globals=["Array","Boolean","Date","Error","EvalError","Function","Infinity","JSON","Math","NaN","Number","Object","RangeError","ReferenceError","RegExp","String","SyntaxError","TypeError","URIError","decodeURI","decodeURIComponent","encodeURI","encodeURIComponent","escape","eval","isFinite","isNaN","parseFloat","parseInt","undefined","unescape"];function Context(){}Context.prototype={};var Script=exports.Script=function(code){if(!(this instanceof Script))return new Script(code);this.code=code};Script.prototype.runInContext=function(context){if(!(context instanceof Context))throw new TypeError("needs a 'context' argument.");var iframe=document.createElement("iframe");iframe.style||(iframe.style={}),iframe.style.display="none",document.body.appendChild(iframe);var win=iframe.contentWindow,wEval=win.eval,wExecScript=win.execScript;!wEval&&wExecScript&&(wExecScript.call(win,"null"),wEval=win.eval),forEach(Object_keys(context),function(key){win[key]=context[key]}),forEach(globals,function(key){context[key]&&(win[key]=context[key])});var winKeys=Object_keys(win),res=wEval.call(win,this.code);return forEach(Object_keys(win),function(key){(key in context||-1===indexOf(winKeys,key))&&(context[key]=win[key])}),forEach(globals,function(key){key in context||defineProp(context,key,win[key])}),document.body.removeChild(iframe),res},Script.prototype.runInThisContext=function(){return eval(this.code)},Script.prototype.runInNewContext=function(context){var ctx=Script.createContext(context),res=this.runInContext(ctx);return forEach(Object_keys(ctx),function(key){context[key]=ctx[key]}),res},forEach(Object_keys(Script.prototype),function(name){exports[name]=Script[name]=function(code){var s=Script(code);return s[name].apply(s,[].slice.call(arguments,1))}}),exports.createScript=function(code){return exports.Script(code)},exports.createContext=Script.createContext=function(context){var copy=new Context;return"object"==typeof context&&forEach(Object_keys(context),function(key){copy[key]=context[key]}),copy}},{indexof:144}],213:[function(require,module,exports){module.exports={name:"bitcoincashjs",version:"0.1.9",description:"A simple, safe, and powerful JavaScript Bitcoin Cash library.",author:"Emilio Almansi <hi@ealmansi.com>",main:"src/bitcoincash.js",files:["src/","dist/"],scripts:{build:"node scripts/build.js","build:tests":"node scripts/build-tests.js",test:"npm run test:node","test:all":"npm run test:node && npm run test:browser","test:node":"nyc --reporter=html --reporter=text mocha","test:browser":"npm run build:tests && karma start",lint:"node scripts/lint.js",coveralls:"nyc report --reporter=text-lcov | coveralls",preversion:"npm test",version:"node scripts/version.js",postversion:"node scripts/postversion.js",bump:"npm version patch -m 'Bump version to %s.'"},keywords:["bitcoin","transaction","address","p2p","ecies","cryptocurrency","blockchain","payment","bip21","bip32","bip37","bip69","bip70","multisig"],repository:{type:"git",url:"https://github.com/bitcoincashjs/bitcoincashjs.git"},browser:{request:"browser-request"},dependencies:{"big-integer":"^1.6.26","bn.js":"=2.0.4",bs58:"=2.0.0","buffer-compare":"=1.0.0",cashaddrjs:"^0.2.8",elliptic:"=3.0.3",inherits:"=2.0.1",lodash:"^4.17.4",unorm:"^1.4.1"},devDependencies:{brfs:"^1.4.3",browserify:"^14.5.0",chai:"^1.10.0",coveralls:"^3.0.0",jsdoc:"^3.5.5",jshint:"^2.9.5",karma:"^2.0.0","karma-chrome-launcher":"^2.2.0","karma-detect-browsers":"^2.2.6","karma-firefox-launcher":"^1.1.0","karma-mocha":"^1.3.0",mocha:"^4.1.0",mustache:"^2.3.0",nyc:"^11.4.1",shelljs:"^0.8.0",sinon:"^1.13.0","uglify-js":"^3.3.4"},license:"MIT"}},{}],214:[function(require,module,exports){(function(Buffer){"use strict";var _=require("lodash"),$=require("./util/preconditions"),cashaddr=require("cashaddrjs"),errors=require("./errors"),Base58Check=require("./encoding/base58check"),Networks=require("./networks"),Hash=require("./crypto/hash"),JSUtil=require("./util/js"),PublicKey=require("./publickey");function Address(data,network,type){if(!(this instanceof Address))return new Address(data,network,type);if(_.isArray(data)&&_.isNumber(network))return Address.createMultisig(data,network,type);if(data instanceof Address)return data;if($.checkArgument(data,"First argument is required, please include address data.","guide/address.html"),network&&!Networks.get(network))throw new TypeError('Second argument must be "livenet" or "testnet".');if(type&&type!==Address.PayToPublicKeyHash&&type!==Address.PayToScriptHash)throw new TypeError('Third argument must be "pubkeyhash" or "scripthash".');var info=this._classifyArguments(data,network,type);return info.network=info.network||Networks.get(network)||Networks.defaultNetwork,info.type=info.type||type||Address.PayToPublicKeyHash,JSUtil.defineImmutable(this,{hashBuffer:info.hashBuffer,network:info.network,type:info.type}),this}Address.prototype._classifyArguments=function(data,network,type){if((data instanceof Buffer||data instanceof Uint8Array)&&20===data.length)return Address._transformHash(data);if((data instanceof Buffer||data instanceof Uint8Array)&&21===data.length)return Address._transformBuffer(data,network,type);if(data instanceof PublicKey)return Address._transformPublicKey(data);if(data instanceof Script)return Address._transformScript(data,network);if("string"==typeof data)return Address._transformString(data,network,type,Address.DefaultFormat);if(_.isObject(data))return Address._transformObject(data);throw new TypeError("First argument is an unrecognized data format.")},Address.LegacyFormat="legacy",Address.BitpayFormat="bitpay",Address.CashAddrFormat="cashaddr",Address.DefaultFormat=Address.LegacyFormat,Address.PayToPublicKeyHash="pubkeyhash",Address.PayToScriptHash="scripthash",Address._transformHash=function(hash){var info={};if(!(hash instanceof Buffer||hash instanceof Uint8Array))throw new TypeError("Address supplied is not a buffer.");if(20!==hash.length)throw new TypeError("Address hashbuffers must be exactly 20 bytes.");return info.hashBuffer=hash,info},Address._transformObject=function(data){return $.checkArgument(data.hash||data.hashBuffer,"Must provide a `hash` or `hashBuffer` property"),$.checkArgument(data.type,"Must provide a `type` property"),{hashBuffer:data.hash?new Buffer(data.hash,"hex"):data.hashBuffer,network:Networks.get(data.network)||Networks.defaultNetwork,type:data.type}},Address._classifyFromVersion=function(buffer){var version={},pubkeyhashNetwork=Networks.get(buffer[0],"pubkeyhash"),scripthashNetwork=Networks.get(buffer[0],"scripthash");return pubkeyhashNetwork?(version.network=pubkeyhashNetwork,version.type=Address.PayToPublicKeyHash):scripthashNetwork&&(version.network=scripthashNetwork,version.type=Address.PayToScriptHash),version},Address._transformBuffer=function(buffer,network,type){var info={};if(!(buffer instanceof Buffer||buffer instanceof Uint8Array))throw new TypeError("Address supplied is not a buffer.");if(21!==buffer.length)throw new TypeError("Address buffers must be exactly 21 bytes.");network=Networks.get(network);var bufferVersion=Address._classifyFromVersion(buffer);if(!bufferVersion.network||network&&network!==bufferVersion.network)throw new TypeError("Address has mismatched network type.");if(!bufferVersion.type||type&&type!==bufferVersion.type)throw new TypeError("Address has mismatched type.");return info.hashBuffer=buffer.slice(1),info.network=bufferVersion.network,info.type=bufferVersion.type,info},Address._transformPublicKey=function(pubkey){var info={};if(!(pubkey instanceof PublicKey))throw new TypeError("Address must be an instance of PublicKey.");return info.hashBuffer=Hash.sha256ripemd160(pubkey.toBuffer()),info.type=Address.PayToPublicKeyHash,info},Address._transformScript=function(script,network){$.checkArgument(script instanceof Script,"script must be a Script instance");var info=script.getAddressInfo(network);if(!info)throw new errors.Script.CantDeriveAddress(script);return info},Address.createMultisig=function(publicKeys,threshold,network){return network=network||publicKeys[0].network||Networks.defaultNetwork,Address.payingTo(Script.buildMultisigOut(publicKeys,threshold),network)},Address._transformString=function(data,network,type,format){if("string"!=typeof data)throw new TypeError("data parameter supplied is not a string.");if(data=data.trim(),format===Address.LegacyFormat)return Address._transformStringLegacy(data,network,type);if(format===Address.BitpayFormat)return Address._transformStringBitpay(data,network,type);if(format===Address.CashAddrFormat)return Address._transformStringCashAddr(data,network,type);throw new TypeError("Unrecognized address format.")},Address._transformStringLegacy=function(data,network,type){var addressBuffer=Base58Check.decode(data);return Address._transformBuffer(addressBuffer,network,type)},Address._transformStringBitpay=function(data,network,type){var addressBuffer=Base58Check.decode(data);return 28===addressBuffer[0]?addressBuffer[0]=0:40===addressBuffer[0]&&(addressBuffer[0]=5),Address._transformBuffer(addressBuffer,network,type)},Address._transformStringCashAddr=function(data,network,type){"string"!=typeof network&&(network=network.toString());var decoded=cashaddr.decode(data);$.checkArgument(!network||"livenet"===network&&"bitcoincash"===decoded.prefix||"testnet"===network&&"bchtest"===decoded.prefix,"Invalid network."),$.checkArgument(!type||type===Address.PayToPublicKeyHash&&"P2PKH"===decoded.type||type===Address.PayToScriptHash&&"P2SH"===decoded.type,"Invalid type."),network=Networks.get(network||("bitcoincash"===decoded.prefix?"livenet":"testnet")),type=type||("P2PKH"===decoded.type?Address.PayToPublicKeyHash:Address.PayToScriptHash);var version=new Buffer([network[type]]),hashBuffer=new Buffer(decoded.hash),addressBuffer=Buffer.concat([version,hashBuffer]);return Address._transformBuffer(addressBuffer,network,type)},Address.fromPublicKey=function(data,network){var info=Address._transformPublicKey(data);return network=network||Networks.defaultNetwork,new Address(info.hashBuffer,network,info.type)},Address.fromPublicKeyHash=function(hash,network){return new Address(Address._transformHash(hash).hashBuffer,network,Address.PayToPublicKeyHash)},Address.fromScriptHash=function(hash,network){$.checkArgument(hash,"hash parameter is required");return new Address(Address._transformHash(hash).hashBuffer,network,Address.PayToScriptHash)},Address.payingTo=function(script,network){return $.checkArgument(script,"script is required"),$.checkArgument(script instanceof Script,"script must be instance of Script"),Address.fromScriptHash(Hash.sha256ripemd160(script.toBuffer()),network)},Address.fromScript=function(script,network){$.checkArgument(script instanceof Script,"script must be a Script instance");var info=Address._transformScript(script,network);return new Address(info.hashBuffer,network,info.type)},Address.fromBuffer=function(buffer,network,type){var info=Address._transformBuffer(buffer,network,type);return new Address(info.hashBuffer,info.network,info.type)},Address.fromString=function(str,network,type,format){format=format||Address.DefaultFormat;var info=Address._transformString(str,network,type,format);return new Address(info.hashBuffer,info.network,info.type)},Address.fromObject=function(obj){$.checkState(JSUtil.isHexa(obj.hash),'Unexpected hash property, "'+obj.hash+'", expected to be hex.');return new Address(new Buffer(obj.hash,"hex"),obj.network,obj.type)},Address.getValidationError=function(data,network,type){var error;try{new Address(data,network,type)}catch(e){error=e}return error},Address.isValid=function(data,network,type){return!Address.getValidationError(data,network,type)},Address.prototype.isPayToPublicKeyHash=function(){return this.type===Address.PayToPublicKeyHash},Address.prototype.isPayToScriptHash=function(){return this.type===Address.PayToScriptHash},Address.prototype.toBuffer=function(){var version=new Buffer([this.network[this.type]]);return Buffer.concat([version,this.hashBuffer])},Address.prototype.toObject=Address.prototype.toJSON=function(){return{hash:this.hashBuffer.toString("hex"),type:this.type,network:this.network.toString()}},Address.prototype.toString=function(format){if((format=format||Address.DefaultFormat)===Address.LegacyFormat)return this._toStringLegacy();if(format===Address.BitpayFormat)return this._toStringBitpay();if(format===Address.CashAddrFormat)return this._toStringCashAddr();throw new TypeError("Unrecognized address format.")},Address.prototype._toStringLegacy=function(){return Base58Check.encode(this.toBuffer())},Address.prototype._toStringBitpay=function(){var buffer=this.toBuffer();return"livenet"===this.network.toString()&&(this.type===Address.PayToPublicKeyHash?buffer[0]=28:this.type===Address.PayToScriptHash&&(buffer[0]=40)),Base58Check.encode(buffer)},Address.prototype._toStringCashAddr=function(){var prefix="livenet"===this.network.toString()?"bitcoincash":"bchtest",type=this.type===Address.PayToPublicKeyHash?"P2PKH":"P2SH",hash=Array.prototype.slice.call(this.hashBuffer,0);return cashaddr.encode(prefix,type,hash)},Address.prototype.inspect=function(){return"<Address: "+this.toString()+", type: "+this.type+", network: "+this.network+">"},module.exports=Address;var Script=require("./script")}).call(this,require("buffer").Buffer)},{"./crypto/hash":222,"./encoding/base58check":227,"./errors":231,"./networks":246,"./publickey":249,"./script":250,"./util/js":268,"./util/preconditions":269,buffer:70,cashaddrjs:72,lodash:148}],215:[function(require,module,exports){(function(global,Buffer){"use strict";var bch=module.exports;bch.version="v"+require("../package.json").version,bch.versionGuard=function(version){if(void 0!==version){throw new Error("More than one instance of bitcoincashjs found. Please make sure to require bitcoincashjs and check that submodules do not also include their own bitcoincashjs dependency.")}},bch.versionGuard(global._bch),global._bch=bch.version,bch.crypto={},bch.crypto.BN=require("./crypto/bn"),bch.crypto.ECDSA=require("./crypto/ecdsa"),bch.crypto.Hash=require("./crypto/hash"),bch.crypto.Random=require("./crypto/random"),bch.crypto.Point=require("./crypto/point"),bch.crypto.Signature=require("./crypto/signature"),bch.encoding={},bch.encoding.Base58=require("./encoding/base58"),bch.encoding.Base58Check=require("./encoding/base58check"),bch.encoding.BufferReader=require("./encoding/bufferreader"),bch.encoding.BufferWriter=require("./encoding/bufferwriter"),bch.encoding.Varint=require("./encoding/varint"),bch.util={},bch.util.buffer=require("./util/buffer"),bch.util.js=require("./util/js"),bch.util.preconditions=require("./util/preconditions"),bch.errors=require("./errors"),bch.Address=require("./address"),bch.Block=require("./block"),bch.BlockHeader=require("./block/blockheader"),bch.HDPrivateKey=require("./hdprivatekey.js"),bch.HDPublicKey=require("./hdpublickey.js"),bch.MerkleBlock=require("./block/merkleblock"),bch.Message=require("./message"),bch.Mnemonic=require("./mnemonic"),bch.Networks=require("./networks"),bch.Opcode=require("./opcode"),bch.PrivateKey=require("./privatekey"),bch.PublicKey=require("./publickey"),bch.Script=require("./script"),bch.Transaction=require("./transaction"),bch.Unit=require("./unit"),bch.URI=require("./uri"),bch.deps={},bch.deps.bnjs=require("bn.js"),bch.deps.bs58=require("bs58"),bch.deps.Buffer=Buffer,bch.deps.elliptic=require("elliptic"),bch.deps._=require("lodash"),bch.Transaction.sighash=require("./transaction/sighash")}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{},require("buffer").Buffer)},{"../package.json":213,"./address":214,"./block":218,"./block/blockheader":217,"./block/merkleblock":219,"./crypto/bn":220,"./crypto/ecdsa":221,"./crypto/hash":222,"./crypto/point":223,"./crypto/random":224,"./crypto/signature":225,"./encoding/base58":226,"./encoding/base58check":227,"./encoding/bufferreader":228,"./encoding/bufferwriter":229,"./encoding/varint":230,"./errors":231,"./hdprivatekey.js":233,"./hdpublickey.js":234,"./message":235,"./mnemonic":236,"./networks":246,"./opcode":247,"./privatekey":248,"./publickey":249,"./script":250,"./transaction":253,"./transaction/sighash":261,"./unit":265,"./uri":266,"./util/buffer":267,"./util/js":268,"./util/preconditions":269,"bn.js":19,bs58:67,buffer:70,elliptic:112,lodash:148}],216:[function(require,module,exports){(function(Buffer){"use strict";var _=require("lodash"),BlockHeader=require("./blockheader"),BN=require("../crypto/bn"),BufferUtil=require("../util/buffer"),BufferReader=require("../encoding/bufferreader"),BufferWriter=require("../encoding/bufferwriter"),Hash=require("../crypto/hash"),Transaction=require("../transaction"),$=require("../util/preconditions");function Block(arg){return this instanceof Block?(_.extend(this,Block._from(arg)),this):new Block(arg)}Block.MAX_BLOCK_SIZE=1e6,Block._from=function(arg){var info={};if(BufferUtil.isBuffer(arg))info=Block._fromBufferReader(BufferReader(arg));else{if(!_.isObject(arg))throw new TypeError("Unrecognized argument for Block");info=Block._fromObject(arg)}return info},Block._fromObject=function(data){var transactions=[];data.transactions.forEach(function(tx){tx instanceof Transaction?transactions.push(tx):transactions.push(Transaction().fromObject(tx))});return{header:BlockHeader.fromObject(data.header),transactions:transactions}},Block.fromObject=function(obj){return new Block(Block._fromObject(obj))},Block._fromBufferReader=function(br){var info={};$.checkState(!br.finished(),"No block data received"),info.header=BlockHeader.fromBufferReader(br);var transactions=br.readVarintNum();info.transactions=[];for(var i=0;i<transactions;i++)info.transactions.push(Transaction().fromBufferReader(br));return info},Block.fromBufferReader=function(br){$.checkArgument(br,"br is required");return new Block(Block._fromBufferReader(br))},Block.fromBuffer=function(buf){return Block.fromBufferReader(new BufferReader(buf))},Block.fromString=function(str){var buf=new Buffer(str,"hex");return Block.fromBuffer(buf)},Block.fromRawBlock=function(data){BufferUtil.isBuffer(data)||(data=new Buffer(data,"binary"));var br=BufferReader(data);br.pos=Block.Values.START_OF_BLOCK;return new Block(Block._fromBufferReader(br))},Block.prototype.toObject=Block.prototype.toJSON=function(){var transactions=[];return this.transactions.forEach(function(tx){transactions.push(tx.toObject())}),{header:this.header.toObject(),transactions:transactions}},Block.prototype.toBuffer=function(){return this.toBufferWriter().concat()},Block.prototype.toString=function(){return this.toBuffer().toString("hex")},Block.prototype.toBufferWriter=function(bw){bw||(bw=new BufferWriter),bw.write(this.header.toBuffer()),bw.writeVarintNum(this.transactions.length);for(var i=0;i<this.transactions.length;i++)this.transactions[i].toBufferWriter(bw);return bw},Block.prototype.getTransactionHashes=function(){var hashes=[];if(0===this.transactions.length)return[Block.Values.NULL_HASH];for(var t=0;t<this.transactions.length;t++)hashes.push(this.transactions[t]._getHash());return hashes},Block.prototype.getMerkleTree=function(){for(var tree=this.getTransactionHashes(),j=0,size=this.transactions.length;size>1;size=Math.floor((size+1)/2)){for(var i=0;i<size;i+=2){var i2=Math.min(i+1,size-1),buf=Buffer.concat([tree[j+i],tree[j+i2]]);tree.push(Hash.sha256sha256(buf))}j+=size}return tree},Block.prototype.getMerkleRoot=function(){var tree=this.getMerkleTree();return tree[tree.length-1]},Block.prototype.validMerkleRoot=function(){var h=new BN(this.header.merkleRoot.toString("hex"),"hex"),c=new BN(this.getMerkleRoot().toString("hex"),"hex");return 0===h.cmp(c)},Block.prototype._getHash=function(){return this.header._getHash()};var idProperty={configurable:!1,enumerable:!0,get:function(){return this._id||(this._id=this.header.id),this._id},set:_.noop};Object.defineProperty(Block.prototype,"id",idProperty),Object.defineProperty(Block.prototype,"hash",idProperty),Block.prototype.inspect=function(){return"<Block "+this.id+">"},Block.Values={START_OF_BLOCK:8,NULL_HASH:new Buffer("0000000000000000000000000000000000000000000000000000000000000000","hex")},module.exports=Block}).call(this,require("buffer").Buffer)},{"../crypto/bn":220,"../crypto/hash":222,"../encoding/bufferreader":228,"../encoding/bufferwriter":229,"../transaction":253,"../util/buffer":267,"../util/preconditions":269,"./blockheader":217,buffer:70,lodash:148}],217:[function(require,module,exports){(function(Buffer){"use strict";var _=require("lodash"),BN=require("../crypto/bn"),BufferUtil=require("../util/buffer"),BufferReader=require("../encoding/bufferreader"),BufferWriter=require("../encoding/bufferwriter"),Hash=require("../crypto/hash"),$=(require("../util/js"),require("../util/preconditions")),BlockHeader=function BlockHeader(arg){if(!(this instanceof BlockHeader))return new BlockHeader(arg);var info=BlockHeader._from(arg);return this.version=info.version,this.prevHash=info.prevHash,this.merkleRoot=info.merkleRoot,this.time=info.time,this.timestamp=info.time,this.bits=info.bits,this.nonce=info.nonce,info.hash&&$.checkState(this.hash===info.hash,"Argument object hash property does not match block hash."),this};BlockHeader._from=function(arg){var info={};if(BufferUtil.isBuffer(arg))info=BlockHeader._fromBufferReader(BufferReader(arg));else{if(!_.isObject(arg))throw new TypeError("Unrecognized argument for BlockHeader");info=BlockHeader._fromObject(arg)}return info},BlockHeader._fromObject=function(data){$.checkArgument(data,"data is required");var prevHash=data.prevHash,merkleRoot=data.merkleRoot;_.isString(data.prevHash)&&(prevHash=BufferUtil.reverse(new Buffer(data.prevHash,"hex"))),_.isString(data.merkleRoot)&&(merkleRoot=BufferUtil.reverse(new Buffer(data.merkleRoot,"hex")));return{hash:data.hash,version:data.version,prevHash:prevHash,merkleRoot:merkleRoot,time:data.time,timestamp:data.time,bits:data.bits,nonce:data.nonce}},BlockHeader.fromObject=function(obj){var info=BlockHeader._fromObject(obj);return new BlockHeader(info)},BlockHeader.fromRawBlock=function(data){BufferUtil.isBuffer(data)||(data=new Buffer(data,"binary"));var br=BufferReader(data);br.pos=BlockHeader.Constants.START_OF_HEADER;var info=BlockHeader._fromBufferReader(br);return new BlockHeader(info)},BlockHeader.fromBuffer=function(buf){var info=BlockHeader._fromBufferReader(BufferReader(buf));return new BlockHeader(info)},BlockHeader.fromString=function(str){var buf=new Buffer(str,"hex");return BlockHeader.fromBuffer(buf)},BlockHeader._fromBufferReader=function(br){var info={};return info.version=br.readInt32LE(),info.prevHash=br.read(32),info.merkleRoot=br.read(32),info.time=br.readUInt32LE(),info.bits=br.readUInt32LE(),info.nonce=br.readUInt32LE(),info},BlockHeader.fromBufferReader=function(br){var info=BlockHeader._fromBufferReader(br);return new BlockHeader(info)},BlockHeader.prototype.toObject=BlockHeader.prototype.toJSON=function(){return{hash:this.hash,version:this.version,prevHash:BufferUtil.reverse(this.prevHash).toString("hex"),merkleRoot:BufferUtil.reverse(this.merkleRoot).toString("hex"),time:this.time,bits:this.bits,nonce:this.nonce}},BlockHeader.prototype.toBuffer=function(){return this.toBufferWriter().concat()},BlockHeader.prototype.toString=function(){return this.toBuffer().toString("hex")},BlockHeader.prototype.toBufferWriter=function(bw){return bw||(bw=new BufferWriter),bw.writeInt32LE(this.version),bw.write(this.prevHash),bw.write(this.merkleRoot),bw.writeUInt32LE(this.time),bw.writeUInt32LE(this.bits),bw.writeUInt32LE(this.nonce),bw},BlockHeader.prototype.getTargetDifficulty=function(bits){bits=bits||this.bits;for(var target=new BN(16777215&bits),mov=8*((bits>>>24)-3);mov-- >0;)target=target.mul(new BN(2));return target},BlockHeader.prototype.getDifficulty=function(){var difficulty1TargetBN=this.getTargetDifficulty(486604799).mul(new BN(Math.pow(10,8))),currentTargetBN=this.getTargetDifficulty(),difficultyString=difficulty1TargetBN.div(currentTargetBN).toString(10),decimalPos=difficultyString.length-8;return difficultyString=difficultyString.slice(0,decimalPos)+"."+difficultyString.slice(decimalPos),parseFloat(difficultyString)},BlockHeader.prototype._getHash=function(){var buf=this.toBuffer();return Hash.sha256sha256(buf)};var idProperty={configurable:!1,enumerable:!0,get:function(){return this._id||(this._id=BufferReader(this._getHash()).readReverse().toString("hex")),this._id},set:_.noop};Object.defineProperty(BlockHeader.prototype,"id",idProperty),Object.defineProperty(BlockHeader.prototype,"hash",idProperty),BlockHeader.prototype.validTimestamp=function(){var currentTime=Math.round((new Date).getTime()/1e3);return!(this.time>currentTime+BlockHeader.Constants.MAX_TIME_OFFSET)},BlockHeader.prototype.validProofOfWork=function(){var pow=new BN(this.id,"hex"),target=this.getTargetDifficulty();return!(pow.cmp(target)>0)},BlockHeader.prototype.inspect=function(){return"<BlockHeader "+this.id+">"},BlockHeader.Constants={START_OF_HEADER:8,MAX_TIME_OFFSET:7200,LARGEST_HASH:new BN("10000000000000000000000000000000000000000000000000000000000000000","hex")},module.exports=BlockHeader}).call(this,require("buffer").Buffer)},{"../crypto/bn":220,"../crypto/hash":222,"../encoding/bufferreader":228,"../encoding/bufferwriter":229,"../util/buffer":267,"../util/js":268,"../util/preconditions":269,buffer:70,lodash:148}],218:[function(require,module,exports){module.exports=require("./block"),module.exports.BlockHeader=require("./blockheader"),module.exports.MerkleBlock=require("./merkleblock")},{"./block":216,"./blockheader":217,"./merkleblock":219}],219:[function(require,module,exports){(function(Buffer){"use strict";var _=require("lodash"),BlockHeader=require("./blockheader"),BufferUtil=require("../util/buffer"),BufferReader=require("../encoding/bufferreader"),BufferWriter=require("../encoding/bufferwriter"),Hash=require("../crypto/hash"),Transaction=(require("../util/js"),require("../transaction")),$=require("../util/preconditions");function MerkleBlock(arg){if(!(this instanceof MerkleBlock))return new MerkleBlock(arg);var info={};if(BufferUtil.isBuffer(arg))info=MerkleBlock._fromBufferReader(BufferReader(arg));else{if(!_.isObject(arg))throw new TypeError("Unrecognized argument for MerkleBlock");info={header:arg.header instanceof BlockHeader?arg.header:BlockHeader.fromObject(arg.header),numTransactions:arg.numTransactions,hashes:arg.hashes,flags:arg.flags}}return _.extend(this,info),this._flagBitsUsed=0,this._hashesUsed=0,this}MerkleBlock.fromBuffer=function(buf){return MerkleBlock.fromBufferReader(BufferReader(buf))},MerkleBlock.fromBufferReader=function(br){return new MerkleBlock(MerkleBlock._fromBufferReader(br))},MerkleBlock.prototype.toBuffer=function(){return this.toBufferWriter().concat()},MerkleBlock.prototype.toBufferWriter=function(bw){bw||(bw=new BufferWriter),bw.write(this.header.toBuffer()),bw.writeUInt32LE(this.numTransactions),bw.writeVarintNum(this.hashes.length);for(var i=0;i<this.hashes.length;i++)bw.write(new Buffer(this.hashes[i],"hex"));for(bw.writeVarintNum(this.flags.length),i=0;i<this.flags.length;i++)bw.writeUInt8(this.flags[i]);return bw},MerkleBlock.prototype.toObject=MerkleBlock.prototype.toJSON=function(){return{header:this.header.toObject(),numTransactions:this.numTransactions,hashes:this.hashes,flags:this.flags}},MerkleBlock.prototype.validMerkleTree=function(){if($.checkState(_.isArray(this.flags),"MerkleBlock flags is not an array"),$.checkState(_.isArray(this.hashes),"MerkleBlock hashes is not an array"),this.hashes.length>this.numTransactions)return!1;if(8*this.flags.length<this.hashes.length)return!1;var height=this._calcTreeHeight(),opts={hashesUsed:0,flagBitsUsed:0},root=this._traverseMerkleTree(height,0,opts);return opts.hashesUsed===this.hashes.length&&BufferUtil.equals(root,this.header.merkleRoot)},MerkleBlock.prototype._traverseMerkleTree=function(depth,pos,opts){if((opts=opts||{}).txs=opts.txs||[],opts.flagBitsUsed=opts.flagBitsUsed||0,opts.hashesUsed=opts.hashesUsed||0,opts.flagBitsUsed>8*this.flags.length)return null;var isParentOfMatch=this.flags[opts.flagBitsUsed>>3]>>>(7&opts.flagBitsUsed++)&1;if(0!==depth&&isParentOfMatch){var left=this._traverseMerkleTree(depth-1,2*pos,opts),right=left;return 2*pos+1<this._calcTreeWidth(depth-1)&&(right=this._traverseMerkleTree(depth-1,2*pos+1,opts)),Hash.sha256sha256(new Buffer.concat([left,right]))}if(opts.hashesUsed>=this.hashes.length)return null;var hash=this.hashes[opts.hashesUsed++];return 0===depth&&isParentOfMatch&&opts.txs.push(hash),new Buffer(hash,"hex")},MerkleBlock.prototype._calcTreeWidth=function(height){return this.numTransactions+(1<<height)-1>>height},MerkleBlock.prototype._calcTreeHeight=function(){for(var height=0;this._calcTreeWidth(height)>1;)height++;return height},MerkleBlock.prototype.hasTransaction=function(tx){$.checkArgument(!_.isUndefined(tx),"tx cannot be undefined"),$.checkArgument(tx instanceof Transaction||"string"==typeof tx,'Invalid tx given, tx must be a "string" or "Transaction"');var hash=tx;tx instanceof Transaction&&(hash=BufferUtil.reverse(new Buffer(tx.id,"hex")).toString("hex"));var txs=[],height=this._calcTreeHeight();return this._traverseMerkleTree(height,0,{txs:txs}),-1!==txs.indexOf(hash)},MerkleBlock._fromBufferReader=function(br){$.checkState(!br.finished(),"No merkleblock data received");var info={};info.header=BlockHeader.fromBufferReader(br),info.numTransactions=br.readUInt32LE();var numHashes=br.readVarintNum();info.hashes=[];for(var i=0;i<numHashes;i++)info.hashes.push(br.read(32).toString("hex"));var numFlags=br.readVarintNum();for(info.flags=[],i=0;i<numFlags;i++)info.flags.push(br.readUInt8());return info},MerkleBlock.fromObject=function(obj){return new MerkleBlock(obj)},module.exports=MerkleBlock}).call(this,require("buffer").Buffer)},{"../crypto/hash":222,"../encoding/bufferreader":228,"../encoding/bufferwriter":229,"../transaction":253,"../util/buffer":267,"../util/js":268,"../util/preconditions":269,"./blockheader":217,buffer:70,lodash:148}],220:[function(require,module,exports){(function(Buffer){"use strict";var BN=require("bn.js"),$=require("../util/preconditions"),_=require("lodash"),reversebuf=function(buf){for(var buf2=new Buffer(buf.length),i=0;i<buf.length;i++)buf2[i]=buf[buf.length-1-i];return buf2};BN.Zero=new BN(0),BN.One=new BN(1),BN.Minus1=new BN(-1),BN.fromNumber=function(n){return $.checkArgument(_.isNumber(n)),new BN(n)},BN.fromString=function(str,base){return $.checkArgument(_.isString(str)),new BN(str,base)},BN.fromBuffer=function(buf,opts){void 0!==opts&&"little"===opts.endian&&(buf=reversebuf(buf));var hex=buf.toString("hex");return new BN(hex,16)},BN.fromSM=function(buf,opts){var ret;if(0===buf.length)return BN.fromBuffer(new Buffer([0]));var endian="big";return opts&&(endian=opts.endian),"little"===endian&&(buf=reversebuf(buf)),128&buf[0]?(buf[0]=127&buf[0],(ret=BN.fromBuffer(buf)).neg().copy(ret)):ret=BN.fromBuffer(buf),ret},BN.prototype.toNumber=function(){return parseInt(this.toString(10),10)},BN.prototype.toBuffer=function(opts){var buf,hex;if(opts&&opts.size){var natlen=(hex=this.toString(16,2)).length/2;buf=new Buffer(hex,"hex"),natlen===opts.size?buf=buf:natlen>opts.size?buf=BN.trim(buf,natlen):natlen<opts.size&&(buf=BN.pad(buf,natlen,opts.size))}else hex=this.toString(16,2),buf=new Buffer(hex,"hex");return void 0!==opts&&"little"===opts.endian&&(buf=reversebuf(buf)),buf},BN.prototype.toSMBigEndian=function(){var buf;return-1===this.cmp(BN.Zero)?128&(buf=this.neg().toBuffer())[0]?buf=Buffer.concat([new Buffer([128]),buf]):buf[0]=128|buf[0]:128&(buf=this.toBuffer())[0]&&(buf=Buffer.concat([new Buffer([0]),buf])),1===buf.length&0===buf[0]&&(buf=new Buffer([])),buf},BN.prototype.toSM=function(opts){var endian=opts?opts.endian:"big",buf=this.toSMBigEndian();return"little"===endian&&(buf=reversebuf(buf)),buf},BN.fromScriptNumBuffer=function(buf,fRequireMinimal,size){var nMaxNumSize=size||4;if($.checkArgument(buf.length<=nMaxNumSize,new Error("script number overflow")),fRequireMinimal&&buf.length>0&&0==(127&buf[buf.length-1])&&(buf.length<=1||0==(128&buf[buf.length-2])))throw new Error("non-minimally encoded script number");return BN.fromSM(buf,{endian:"little"})},BN.prototype.toScriptNumBuffer=function(){return this.toSM({endian:"little"})},BN.prototype.gt=function(b){return this.cmp(b)>0},BN.prototype.gte=function(b){return this.cmp(b)>=0},BN.prototype.lt=function(b){return this.cmp(b)<0},BN.trim=function(buf,natlen){return buf.slice(natlen-buf.length,buf.length)},BN.pad=function(buf,natlen,size){for(var rbuf=new Buffer(size),i=0;i<buf.length;i++)rbuf[rbuf.length-1-i]=buf[buf.length-1-i];for(i=0;i<size-natlen;i++)rbuf[i]=0;return rbuf},module.exports=BN}).call(this,require("buffer").Buffer)},{"../util/preconditions":269,"bn.js":19,buffer:70,lodash:148}],221:[function(require,module,exports){(function(Buffer){"use strict";var BN=require("./bn"),Point=require("./point"),Signature=require("./signature"),PublicKey=require("../publickey"),Random=require("./random"),Hash=require("./hash"),BufferUtil=require("../util/buffer"),_=require("lodash"),$=require("../util/preconditions"),ECDSA=function ECDSA(obj){if(!(this instanceof ECDSA))return new ECDSA(obj);obj&&this.set(obj)};ECDSA.prototype.set=function(obj){return this.hashbuf=obj.hashbuf||this.hashbuf,this.endian=obj.endian||this.endian,this.privkey=obj.privkey||this.privkey,this.pubkey=obj.pubkey||(this.privkey?this.privkey.publicKey:this.pubkey),this.sig=obj.sig||this.sig,this.k=obj.k||this.k,this.verified=obj.verified||this.verified,this},ECDSA.prototype.privkey2pubkey=function(){this.pubkey=this.privkey.toPublicKey()},ECDSA.prototype.calci=function(){for(var i=0;i<4;i++){this.sig.i=i;var Qprime;try{Qprime=this.toPublicKey()}catch(e){console.error(e);continue}if(Qprime.point.eq(this.pubkey.point))return this.sig.compressed=this.pubkey.compressed,this}throw this.sig.i=void 0,new Error("Unable to find valid recovery factor")},ECDSA.fromString=function(str){var obj=JSON.parse(str);return new ECDSA(obj)},ECDSA.prototype.randomK=function(){var k,N=Point.getN();do{k=BN.fromBuffer(Random.getRandomBuffer(32))}while(!k.lt(N)||!k.gt(BN.Zero));return this.k=k,this},ECDSA.prototype.deterministicK=function(badrs){_.isUndefined(badrs)&&(badrs=0);var v=new Buffer(32);v.fill(1);var k=new Buffer(32);k.fill(0);var x=this.privkey.bn.toBuffer({size:32}),hashbuf="little"===this.endian?BufferUtil.reverse(this.hashbuf):this.hashbuf;k=Hash.sha256hmac(Buffer.concat([v,new Buffer([0]),x,hashbuf]),k),v=Hash.sha256hmac(v,k),k=Hash.sha256hmac(Buffer.concat([v,new Buffer([1]),x,hashbuf]),k),v=Hash.sha256hmac(v,k),v=Hash.sha256hmac(v,k);for(var T=BN.fromBuffer(v),N=Point.getN(),i=0;i<badrs||!T.lt(N)||!T.gt(BN.Zero);i++)k=Hash.sha256hmac(Buffer.concat([v,new Buffer([0])]),k),v=Hash.sha256hmac(v,k),v=Hash.sha256hmac(v,k),T=BN.fromBuffer(v);return this.k=T,this},ECDSA.prototype.toPublicKey=function(){var i=this.sig.i;$.checkArgument(0===i||1===i||2===i||3===i,new Error("i must be equal to 0, 1, 2, or 3"));var e=BN.fromBuffer(this.hashbuf),r=this.sig.r,s=this.sig.s,isYOdd=1&i,isSecondKey=i>>1,n=Point.getN(),G=Point.getG(),x=isSecondKey?r.add(n):r,R=Point.fromX(isYOdd,x);if(!R.mul(n).isInfinity())throw new Error("nR is not a valid curve point");var eNeg=e.neg().mod(n),rInv=r.invm(n),Q=R.mul(s).add(G.mul(eNeg)).mul(rInv);return PublicKey.fromPoint(Q,this.sig.compressed)},ECDSA.prototype.sigError=function(){if(!BufferUtil.isBuffer(this.hashbuf)||32!==this.hashbuf.length)return"hashbuf must be a 32 byte buffer";var r=this.sig.r,s=this.sig.s;if(!(r.gt(BN.Zero)&&r.lt(Point.getN())&&s.gt(BN.Zero)&&s.lt(Point.getN())))return"r and s not in range";var e=BN.fromBuffer(this.hashbuf,this.endian?{endian:this.endian}:void 0),n=Point.getN(),sinv=s.invm(n),u1=sinv.mul(e).mod(n),u2=sinv.mul(r).mod(n),p=Point.getG().mulAdd(u1,this.pubkey.point,u2);return p.isInfinity()?"p is infinity":0!==p.getX().mod(n).cmp(r)&&"Invalid signature"},ECDSA.toLowS=function(s){return s.gt(BN.fromBuffer(new Buffer("7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0","hex")))&&(s=Point.getN().sub(s)),s},ECDSA.prototype._findSignature=function(d,e){var k,r,s,N=Point.getN(),G=Point.getG(),badrs=0;do{(!this.k||badrs>0)&&this.deterministicK(badrs),badrs++,k=this.k,r=G.mul(k).x.mod(N),s=k.invm(N).mul(e.add(d.mul(r))).mod(N)}while(r.cmp(BN.Zero)<=0||s.cmp(BN.Zero)<=0);return{s:s=ECDSA.toLowS(s),r:r}},ECDSA.prototype.sign=function(){var hashbuf=this.hashbuf,privkey=this.privkey,d=privkey.bn;$.checkState(hashbuf&&privkey&&d,new Error("invalid parameters")),$.checkState(BufferUtil.isBuffer(hashbuf)&&32===hashbuf.length,new Error("hashbuf must be a 32 byte buffer"));var e=BN.fromBuffer(hashbuf,this.endian?{endian:this.endian}:void 0),obj=this._findSignature(d,e);return obj.compressed=this.pubkey.compressed,this.sig=new Signature(obj),this},ECDSA.prototype.signRandomK=function(){return this.randomK(),this.sign()},ECDSA.prototype.toString=function(){var obj={};return this.hashbuf&&(obj.hashbuf=this.hashbuf.toString("hex")),this.privkey&&(obj.privkey=this.privkey.toString()),this.pubkey&&(obj.pubkey=this.pubkey.toString()),this.sig&&(obj.sig=this.sig.toString()),this.k&&(obj.k=this.k.toString()),JSON.stringify(obj)},ECDSA.prototype.verify=function(){return this.sigError()?this.verified=!1:this.verified=!0,this},ECDSA.sign=function(hashbuf,privkey,endian){return ECDSA().set({hashbuf:hashbuf,endian:endian,privkey:privkey}).sign().sig},ECDSA.verify=function(hashbuf,sig,pubkey,endian){return ECDSA().set({hashbuf:hashbuf,endian:endian,sig:sig,pubkey:pubkey}).verify().verified},module.exports=ECDSA}).call(this,require("buffer").Buffer)},{"../publickey":249,"../util/buffer":267,"../util/preconditions":269,"./bn":220,"./hash":222,"./point":223,"./random":224,"./signature":225,buffer:70,lodash:148}],222:[function(require,module,exports){(function(Buffer){"use strict";var crypto=require("crypto"),BufferUtil=require("../util/buffer"),$=require("../util/preconditions"),Hash=module.exports;Hash.sha1=function(buf){return $.checkArgument(BufferUtil.isBuffer(buf)),crypto.createHash("sha1").update(buf).digest()},Hash.sha1.blocksize=512,Hash.sha256=function(buf){return $.checkArgument(BufferUtil.isBuffer(buf)),crypto.createHash("sha256").update(buf).digest()},Hash.sha256.blocksize=512,Hash.sha256sha256=function(buf){return $.checkArgument(BufferUtil.isBuffer(buf)),Hash.sha256(Hash.sha256(buf))},Hash.ripemd160=function(buf){return $.checkArgument(BufferUtil.isBuffer(buf)),crypto.createHash("ripemd160").update(buf).digest()},Hash.sha256ripemd160=function(buf){return $.checkArgument(BufferUtil.isBuffer(buf)),Hash.ripemd160(Hash.sha256(buf))},Hash.sha512=function(buf){return $.checkArgument(BufferUtil.isBuffer(buf)),crypto.createHash("sha512").update(buf).digest()},Hash.sha512.blocksize=1024,Hash.hmac=function(hashf,data,key){$.checkArgument(BufferUtil.isBuffer(data)),$.checkArgument(BufferUtil.isBuffer(key)),$.checkArgument(hashf.blocksize);var blocksize=hashf.blocksize/8;if(key.length>blocksize)key=hashf(key);else if(key<blocksize){var fill=new Buffer(blocksize);fill.fill(0),key.copy(fill),key=fill}var o_key=new Buffer(blocksize);o_key.fill(92);var i_key=new Buffer(blocksize);i_key.fill(54);for(var o_key_pad=new Buffer(blocksize),i_key_pad=new Buffer(blocksize),i=0;i<blocksize;i++)o_key_pad[i]=o_key[i]^key[i],i_key_pad[i]=i_key[i]^key[i];return hashf(Buffer.concat([o_key_pad,hashf(Buffer.concat([i_key_pad,data]))]))},Hash.sha256hmac=function(data,key){return Hash.hmac(Hash.sha256,data,key)},Hash.sha512hmac=function(data,key){return Hash.hmac(Hash.sha512,data,key)}}).call(this,require("buffer").Buffer)},{"../util/buffer":267,"../util/preconditions":269,buffer:70,crypto:100}],223:[function(require,module,exports){(function(Buffer){"use strict";var BN=require("./bn"),BufferUtil=require("../util/buffer"),ec=require("elliptic").curves.secp256k1,ecPoint=ec.curve.point.bind(ec.curve),ecPointFromX=ec.curve.pointFromX.bind(ec.curve),Point=function(x,y,isRed){var point=ecPoint(x,y,isRed);return point.validate(),point};Point.prototype=Object.getPrototypeOf(ec.curve.point()),Point.fromX=function(odd,x){var point=ecPointFromX(odd,x);return point.validate(),point},Point.getG=function(){return ec.curve.g},Point.getN=function(){return new BN(ec.curve.n.toArray())},Point.prototype._getX=Point.prototype.getX,Point.prototype.getX=function(){return new BN(this._getX().toArray())},Point.prototype._getY=Point.prototype.getY,Point.prototype.getY=function(){return new BN(this._getY().toArray())},Point.prototype.validate=function(){if(this.isInfinity())throw new Error("Point cannot be equal to Infinity");if(0===this.getX().cmp(BN.Zero)||0===this.getY().cmp(BN.Zero))throw new Error("Invalid x,y value for curve, cannot equal 0.");if(0!==ecPointFromX(this.getY().isOdd(),this.getX()).y.cmp(this.y))throw new Error("Invalid y value for curve.");var xValidRange=this.getX().gt(BN.Minus1)&&this.getX().lt(Point.getN()),yValidRange=this.getY().gt(BN.Minus1)&&this.getY().lt(Point.getN());if(!xValidRange||!yValidRange)throw new Error("Point does not lie on the curve");if(!this.mul(Point.getN()).isInfinity())throw new Error("Point times N must be infinity");return this},Point.pointToCompressed=function(point){var prefix,xbuf=point.getX().toBuffer({size:32}),ybuf=point.getY().toBuffer({size:32}),odd=ybuf[ybuf.length-1]%2;return prefix=new Buffer(odd?[3]:[2]),BufferUtil.concat([prefix,xbuf])},module.exports=Point}).call(this,require("buffer").Buffer)},{"../util/buffer":267,"./bn":220,buffer:70,elliptic:112}],224:[function(require,module,exports){(function(process,Buffer){"use strict";function Random(){}Random.getRandomBuffer=function(size){return process.browser?Random.getRandomBufferBrowser(size):Random.getRandomBufferNode(size)},Random.getRandomBufferNode=function(size){return require("crypto").randomBytes(size)},Random.getRandomBufferBrowser=function(size){if(!window.crypto&&!window.msCrypto)throw new Error("window.crypto not available");if(window.crypto&&window.crypto.getRandomValues)var crypto=window.crypto;else{if(!window.msCrypto||!window.msCrypto.getRandomValues)throw new Error("window.crypto.getRandomValues not available");crypto=window.msCrypto}var bbuf=new Uint8Array(size);crypto.getRandomValues(bbuf);return new Buffer(bbuf)},Random.getPseudoRandomBuffer=function(size){for(var r,b=new Buffer(size),i=0;i<=size;i++){0===i-4*Math.floor(i/4)?(r=4294967296*Math.random(),b[i]=255&r):b[i]=255&(r>>>=8)}return b},module.exports=Random}).call(this,require("_process"),require("buffer").Buffer)},{_process:166,buffer:70,crypto:100}],225:[function(require,module,exports){(function(Buffer){"use strict";var BN=require("./bn"),_=require("lodash"),$=require("../util/preconditions"),BufferUtil=require("../util/buffer"),JSUtil=require("../util/js"),Signature=function Signature(r,s){if(!(this instanceof Signature))return new Signature(r,s);if(r instanceof BN)this.set({r:r,s:s});else if(r){var obj=r;this.set(obj)}};Signature.prototype.set=function(obj){return this.r=obj.r||this.r||void 0,this.s=obj.s||this.s||void 0,this.i=void 0!==obj.i?obj.i:this.i,this.compressed=void 0!==obj.compressed?obj.compressed:this.compressed,this.nhashtype=obj.nhashtype||this.nhashtype||void 0,this},Signature.fromCompact=function(buf){$.checkArgument(BufferUtil.isBuffer(buf),"Argument is expected to be a Buffer");var sig=new Signature,compressed=!0,i=buf.slice(0,1)[0]-27-4;i<0&&(compressed=!1,i+=4);var b2=buf.slice(1,33),b3=buf.slice(33,65);return $.checkArgument(0===i||1===i||2===i||3===i,new Error("i must be 0, 1, 2, or 3")),$.checkArgument(32===b2.length,new Error("r must be 32 bytes")),$.checkArgument(32===b3.length,new Error("s must be 32 bytes")),sig.compressed=compressed,sig.i=i,sig.r=BN.fromBuffer(b2),sig.s=BN.fromBuffer(b3),sig},Signature.fromDER=Signature.fromBuffer=function(buf,strict){var obj=Signature.parseDER(buf,strict),sig=new Signature;return sig.r=obj.r,sig.s=obj.s,sig},Signature.fromTxFormat=function(buf){var nhashtype=buf.readUInt8(buf.length-1),derbuf=buf.slice(0,buf.length-1),sig=new Signature.fromDER(derbuf,!1);return sig.nhashtype=nhashtype,sig},Signature.fromString=function(str){var buf=new Buffer(str,"hex");return Signature.fromDER(buf)},Signature.parseDER=function(buf,strict){$.checkArgument(BufferUtil.isBuffer(buf),new Error("DER formatted signature should be a buffer")),_.isUndefined(strict)&&(strict=!0);var header=buf[0];$.checkArgument(48===header,new Error("Header byte should be 0x30"));var length=buf[1],buflength=buf.slice(2).length;$.checkArgument(!strict||length===buflength,new Error("Length byte should length of what follows")),length=length<buflength?length:buflength;var rheader=buf[2];$.checkArgument(2===rheader,new Error("Integer byte for r should be 0x02"));var rlength=buf[3],rbuf=buf.slice(4,4+rlength),r=BN.fromBuffer(rbuf),rneg=0===buf[4];$.checkArgument(rlength===rbuf.length,new Error("Length of r incorrect"));var sheader=buf[4+rlength+0];$.checkArgument(2===sheader,new Error("Integer byte for s should be 0x02"));var slength=buf[4+rlength+1],sbuf=buf.slice(4+rlength+2,4+rlength+2+slength),s=BN.fromBuffer(sbuf),sneg=0===buf[4+rlength+2+2];$.checkArgument(slength===sbuf.length,new Error("Length of s incorrect"));var sumlength=4+rlength+2+slength;$.checkArgument(length===sumlength-2,new Error("Length of signature incorrect"));return{header:header,length:length,rheader:rheader,rlength:rlength,rneg:rneg,rbuf:rbuf,r:r,sheader:sheader,slength:slength,sneg:sneg,sbuf:sbuf,s:s}},Signature.prototype.toCompact=function(i,compressed){if(i="number"==typeof i?i:this.i,compressed="boolean"==typeof compressed?compressed:this.compressed,0!==i&&1!==i&&2!==i&&3!==i)throw new Error("i must be equal to 0, 1, 2, or 3");var val=i+27+4;!1===compressed&&(val-=4);var b1=new Buffer([val]),b2=this.r.toBuffer({size:32}),b3=this.s.toBuffer({size:32});return Buffer.concat([b1,b2,b3])},Signature.prototype.toBuffer=Signature.prototype.toDER=function(){var rnbuf=this.r.toBuffer(),snbuf=this.s.toBuffer(),rneg=!!(128&rnbuf[0]),sneg=!!(128&snbuf[0]),rbuf=rneg?Buffer.concat([new Buffer([0]),rnbuf]):rnbuf,sbuf=sneg?Buffer.concat([new Buffer([0]),snbuf]):snbuf,rlength=rbuf.length,slength=sbuf.length,length=2+rlength+2+slength;return Buffer.concat([new Buffer([48,length,2,rlength]),rbuf,new Buffer([2,slength]),sbuf])},Signature.prototype.toString=function(){return this.toDER().toString("hex")},Signature.isTxDER=function(buf){if(buf.length<9)return!1;if(buf.length>73)return!1;if(48!==buf[0])return!1;if(buf[1]!==buf.length-3)return!1;var nLenR=buf[3];if(5+nLenR>=buf.length)return!1;var nLenS=buf[5+nLenR];if(nLenR+nLenS+7!==buf.length)return!1;var R=buf.slice(4);if(2!==buf[2])return!1;if(0===nLenR)return!1;if(128&R[0])return!1;if(nLenR>1&&0===R[0]&&!(128&R[1]))return!1;var S=buf.slice(6+nLenR);return 2===buf[6+nLenR-2]&&(0!==nLenS&&(!(128&S[0])&&!(nLenS>1&&0===S[0]&&!(128&S[1]))))},Signature.prototype.hasLowS=function(){return!this.s.lt(new BN(1))&&!this.s.gt(new BN("7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0","hex"))},Signature.prototype.hasDefinedHashtype=function(){if(!JSUtil.isNaturalNumber(this.nhashtype))return!1;var temp=this.nhashtype&~Signature.SIGHASH_ANYONECANPAY;return!(temp<Signature.SIGHASH_ALL||temp>Signature.SIGHASH_SINGLE)},Signature.prototype.toTxFormat=function(){var derbuf=this.toDER(),buf=new Buffer(1);return buf.writeUInt8(this.nhashtype,0),Buffer.concat([derbuf,buf])},Signature.SIGHASH_ALL=1,Signature.SIGHASH_NONE=2,Signature.SIGHASH_SINGLE=3,Signature.SIGHASH_FORKID=64,Signature.SIGHASH_ANYONECANPAY=128,module.exports=Signature}).call(this,require("buffer").Buffer)},{"../util/buffer":267,"../util/js":268,"../util/preconditions":269,"./bn":220,buffer:70,lodash:148}],226:[function(require,module,exports){(function(Buffer){"use strict";var _=require("lodash"),bs58=require("bs58"),buffer=require("buffer"),ALPHABET="123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz".split(""),Base58=function Base58(obj){if(!(this instanceof Base58))return new Base58(obj);if(Buffer.isBuffer(obj)){var buf=obj;this.fromBuffer(buf)}else if("string"==typeof obj){var str=obj;this.fromString(str)}else obj&&this.set(obj)};Base58.validCharacters=function(chars){return buffer.Buffer.isBuffer(chars)&&(chars=chars.toString()),_.every(_.map(chars,function(char){return _.includes(ALPHABET,char)}))},Base58.prototype.set=function(obj){return this.buf=obj.buf||this.buf||void 0,this},Base58.encode=function(buf){if(!buffer.Buffer.isBuffer(buf))throw new Error("Input should be a buffer");return bs58.encode(buf)},Base58.decode=function(str){if("string"!=typeof str)throw new Error("Input should be a string");return new Buffer(bs58.decode(str))},Base58.prototype.fromBuffer=function(buf){return this.buf=buf,this},Base58.prototype.fromString=function(str){var buf=Base58.decode(str);return this.buf=buf,this},Base58.prototype.toBuffer=function(){return this.buf},Base58.prototype.toString=function(){return Base58.encode(this.buf)},module.exports=Base58}).call(this,require("buffer").Buffer)},{bs58:67,buffer:70,lodash:148}],227:[function(require,module,exports){(function(Buffer){"use strict";var _=require("lodash"),Base58=require("./base58"),buffer=require("buffer"),sha256sha256=require("../crypto/hash").sha256sha256,Base58Check=function Base58Check(obj){if(!(this instanceof Base58Check))return new Base58Check(obj);if(Buffer.isBuffer(obj)){var buf=obj;this.fromBuffer(buf)}else if("string"==typeof obj){var str=obj;this.fromString(str)}else obj&&this.set(obj)};Base58Check.prototype.set=function(obj){return this.buf=obj.buf||this.buf||void 0,this},Base58Check.validChecksum=function(data,checksum){return _.isString(data)&&(data=new buffer.Buffer(Base58.decode(data))),_.isString(checksum)&&(checksum=new buffer.Buffer(Base58.decode(checksum))),checksum||(checksum=data.slice(-4),data=data.slice(0,-4)),Base58Check.checksum(data).toString("hex")===checksum.toString("hex")},Base58Check.decode=function(s){if("string"!=typeof s)throw new Error("Input must be a string");var buf=new Buffer(Base58.decode(s));if(buf.length<4)throw new Error("Input string too short");var data=buf.slice(0,-4),csum=buf.slice(-4),hash4=sha256sha256(data).slice(0,4);if(csum.toString("hex")!==hash4.toString("hex"))throw new Error("Checksum mismatch");return data},Base58Check.checksum=function(buffer){return sha256sha256(buffer).slice(0,4)},Base58Check.encode=function(buf){if(!Buffer.isBuffer(buf))throw new Error("Input must be a buffer");var checkedBuf=new Buffer(buf.length+4),hash=Base58Check.checksum(buf);return buf.copy(checkedBuf),hash.copy(checkedBuf,buf.length),Base58.encode(checkedBuf)},Base58Check.prototype.fromBuffer=function(buf){return this.buf=buf,this},Base58Check.prototype.fromString=function(str){var buf=Base58Check.decode(str);return this.buf=buf,this},Base58Check.prototype.toBuffer=function(){return this.buf},Base58Check.prototype.toString=function(){return Base58Check.encode(this.buf)},module.exports=Base58Check}).call(this,require("buffer").Buffer)},{"../crypto/hash":222,"./base58":226,buffer:70,lodash:148}],228:[function(require,module,exports){(function(Buffer){"use strict";var _=require("lodash"),$=require("../util/preconditions"),BufferUtil=require("../util/buffer"),BN=require("../crypto/bn"),BufferReader=function BufferReader(buf){if(!(this instanceof BufferReader))return new BufferReader(buf);if(!_.isUndefined(buf))if(Buffer.isBuffer(buf))this.set({buf:buf});else if(_.isString(buf)){var b=new Buffer(buf,"hex");if(2*b.length!=buf.length)throw new TypeError("Invalid hex string");this.set({buf:b})}else{if(!_.isObject(buf))throw new TypeError("Unrecognized argument for BufferReader");var obj=buf;this.set(obj)}};BufferReader.prototype.set=function(obj){return this.buf=obj.buf||this.buf||void 0,this.pos=obj.pos||this.pos||0,this},BufferReader.prototype.eof=function(){return this.pos>=this.buf.length},BufferReader.prototype.finished=BufferReader.prototype.eof,BufferReader.prototype.read=function(len){$.checkArgument(!_.isUndefined(len),"Must specify a length");var buf=this.buf.slice(this.pos,this.pos+len);return this.pos=this.pos+len,buf},BufferReader.prototype.readAll=function(){var buf=this.buf.slice(this.pos,this.buf.length);return this.pos=this.buf.length,buf},BufferReader.prototype.readUInt8=function(){var val=this.buf.readUInt8(this.pos);return this.pos=this.pos+1,val},BufferReader.prototype.readUInt16BE=function(){var val=this.buf.readUInt16BE(this.pos);return this.pos=this.pos+2,val},BufferReader.prototype.readUInt16LE=function(){var val=this.buf.readUInt16LE(this.pos);return this.pos=this.pos+2,val},BufferReader.prototype.readUInt32BE=function(){var val=this.buf.readUInt32BE(this.pos);return this.pos=this.pos+4,val},BufferReader.prototype.readUInt32LE=function(){var val=this.buf.readUInt32LE(this.pos);return this.pos=this.pos+4,val},BufferReader.prototype.readInt32LE=function(){var val=this.buf.readInt32LE(this.pos);return this.pos=this.pos+4,val},BufferReader.prototype.readUInt64BEBN=function(){var buf=this.buf.slice(this.pos,this.pos+8),bn=BN.fromBuffer(buf);return this.pos=this.pos+8,bn},BufferReader.prototype.readUInt64LEBN=function(){var bn,second=this.buf.readUInt32LE(this.pos),combined=4294967296*this.buf.readUInt32LE(this.pos+4)+second;if(combined<=9007199254740991)bn=new BN(combined);else{var data=Array.prototype.slice.call(this.buf,this.pos,this.pos+8);bn=new BN(data,10,"le")}return this.pos=this.pos+8,bn},BufferReader.prototype.readVarintNum=function(){var first=this.readUInt8();switch(first){case 253:return this.readUInt16LE();case 254:return this.readUInt32LE();case 255:var n=this.readUInt64LEBN().toNumber();if(n<=Math.pow(2,53))return n;throw new Error("number too large to retain precision - use readVarintBN");default:return first}},BufferReader.prototype.readVarLengthBuffer=function(){var len=this.readVarintNum(),buf=this.read(len);return $.checkState(buf.length===len,"Invalid length while reading varlength buffer. Expected to read: "+len+" and read "+buf.length),buf},BufferReader.prototype.readVarintBuf=function(){switch(this.buf.readUInt8(this.pos)){case 253:return this.read(3);case 254:return this.read(5);case 255:return this.read(9);default:return this.read(1)}},BufferReader.prototype.readVarintBN=function(){var first=this.readUInt8();switch(first){case 253:return new BN(this.readUInt16LE());case 254:return new BN(this.readUInt32LE());case 255:return this.readUInt64LEBN();default:return new BN(first)}},BufferReader.prototype.reverse=function(){for(var buf=new Buffer(this.buf.length),i=0;i<buf.length;i++)buf[i]=this.buf[this.buf.length-1-i];return this.buf=buf,this},BufferReader.prototype.readReverse=function(len){_.isUndefined(len)&&(len=this.buf.length);var buf=this.buf.slice(this.pos,this.pos+len);return this.pos=this.pos+len,BufferUtil.reverse(buf)},module.exports=BufferReader}).call(this,require("buffer").Buffer)},{"../crypto/bn":220,"../util/buffer":267,"../util/preconditions":269,buffer:70,lodash:148}],229:[function(require,module,exports){(function(Buffer){"use strict";var bufferUtil=require("../util/buffer"),assert=require("assert"),BufferWriter=function BufferWriter(obj){if(!(this instanceof BufferWriter))return new BufferWriter(obj);obj?this.set(obj):this.bufs=[]};BufferWriter.prototype.set=function(obj){return this.bufs=obj.bufs||this.bufs||[],this},BufferWriter.prototype.toBuffer=function(){return this.concat()},BufferWriter.prototype.concat=function(){return Buffer.concat(this.bufs)},BufferWriter.prototype.write=function(buf){return assert(bufferUtil.isBuffer(buf)),this.bufs.push(buf),this},BufferWriter.prototype.writeReverse=function(buf){return assert(bufferUtil.isBuffer(buf)),this.bufs.push(bufferUtil.reverse(buf)),this},BufferWriter.prototype.writeUInt8=function(n){var buf=new Buffer(1);return buf.writeUInt8(n,0),this.write(buf),this},BufferWriter.prototype.writeUInt16BE=function(n){var buf=new Buffer(2);return buf.writeUInt16BE(n,0),this.write(buf),this},BufferWriter.prototype.writeUInt16LE=function(n){var buf=new Buffer(2);return buf.writeUInt16LE(n,0),this.write(buf),this},BufferWriter.prototype.writeUInt32BE=function(n){var buf=new Buffer(4);return buf.writeUInt32BE(n,0),this.write(buf),this},BufferWriter.prototype.writeInt32LE=function(n){var buf=new Buffer(4);return buf.writeInt32LE(n,0),this.write(buf),this},BufferWriter.prototype.writeUInt32LE=function(n){var buf=new Buffer(4);return buf.writeUInt32LE(n,0),this.write(buf),this},BufferWriter.prototype.writeUInt64BEBN=function(bn){var buf=bn.toBuffer({size:8});return this.write(buf),this},BufferWriter.prototype.writeUInt64LEBN=function(bn){var buf=bn.toBuffer({size:8});return this.writeReverse(buf),this},BufferWriter.prototype.writeVarintNum=function(n){var buf=BufferWriter.varintBufNum(n);return this.write(buf),this},BufferWriter.prototype.writeVarintBN=function(bn){var buf=BufferWriter.varintBufBN(bn);return this.write(buf),this},BufferWriter.varintBufNum=function(n){var buf=void 0;return n<253?(buf=new Buffer(1)).writeUInt8(n,0):n<65536?((buf=new Buffer(3)).writeUInt8(253,0),buf.writeUInt16LE(n,1)):n<4294967296?((buf=new Buffer(5)).writeUInt8(254,0),buf.writeUInt32LE(n,1)):((buf=new Buffer(9)).writeUInt8(255,0),buf.writeInt32LE(-1&n,1),buf.writeUInt32LE(Math.floor(n/4294967296),5)),buf},BufferWriter.varintBufBN=function(bn){var buf=void 0,n=bn.toNumber();if(n<253)(buf=new Buffer(1)).writeUInt8(n,0);else if(n<65536)(buf=new Buffer(3)).writeUInt8(253,0),buf.writeUInt16LE(n,1);else if(n<4294967296)(buf=new Buffer(5)).writeUInt8(254,0),buf.writeUInt32LE(n,1);else{var bw=new BufferWriter;bw.writeUInt8(255),bw.writeUInt64LEBN(bn);buf=bw.concat()}return buf},module.exports=BufferWriter}).call(this,require("buffer").Buffer)},{"../util/buffer":267,assert:16,buffer:70}],230:[function(require,module,exports){(function(Buffer){"use strict";var BufferWriter=require("./bufferwriter"),BufferReader=require("./bufferreader"),BN=require("../crypto/bn"),Varint=function Varint(buf){if(!(this instanceof Varint))return new Varint(buf);if(Buffer.isBuffer(buf))this.buf=buf;else if("number"==typeof buf){var num=buf;this.fromNumber(num)}else if(buf instanceof BN){var bn=buf;this.fromBN(bn)}else if(buf){var obj=buf;this.set(obj)}};Varint.prototype.set=function(obj){return this.buf=obj.buf||this.buf,this},Varint.prototype.fromString=function(str){return this.set({buf:new Buffer(str,"hex")}),this},Varint.prototype.toString=function(){return this.buf.toString("hex")},Varint.prototype.fromBuffer=function(buf){return this.buf=buf,this},Varint.prototype.fromBufferReader=function(br){return this.buf=br.readVarintBuf(),this},Varint.prototype.fromBN=function(bn){return this.buf=BufferWriter().writeVarintBN(bn).concat(),this},Varint.prototype.fromNumber=function(num){return this.buf=BufferWriter().writeVarintNum(num).concat(),this},Varint.prototype.toBuffer=function(){return this.buf},Varint.prototype.toBN=function(){return BufferReader(this.buf).readVarintBN()},Varint.prototype.toNumber=function(){return BufferReader(this.buf).readVarintNum()},module.exports=Varint}).call(this,require("buffer").Buffer)},{"../crypto/bn":220,"./bufferreader":228,"./bufferwriter":229,buffer:70}],231:[function(require,module,exports){"use strict";var _=require("lodash");var traverseNode=function(parent,errorDefinition){var NodeError=function(){if(_.isString(errorDefinition.message))this.message=(message=errorDefinition.message,args=arguments,message.replace("{0}",args[0]).replace("{1}",args[1]).replace("{2}",args[2]));else{if(!_.isFunction(errorDefinition.message))throw new Error("Invalid error definition for "+errorDefinition.name);this.message=errorDefinition.message.apply(null,arguments)}var message,args;this.stack=this.message+"\n"+(new Error).stack};return(NodeError.prototype=Object.create(parent.prototype)).name=parent.prototype.name+errorDefinition.name,parent[errorDefinition.name]=NodeError,errorDefinition.errors&&childDefinitions(NodeError,errorDefinition.errors),NodeError},childDefinitions=function(parent,childDefinitions){_.each(childDefinitions,function(childDefinition){traverseNode(parent,childDefinition)})},bitcore={};bitcore.Error=function(){this.message="Internal error",this.stack=this.message+"\n"+(new Error).stack},bitcore.Error.prototype=Object.create(Error.prototype),bitcore.Error.prototype.name="bitcore.Error";var data=require("./spec");parent=bitcore.Error,childDefinitions(parent,data);var parent;module.exports=bitcore.Error,module.exports.extend=function(spec){return traverseNode(bitcore.Error,spec)}},{"./spec":232,lodash:148}],232:[function(require,module,exports){"use strict";module.exports=[{name:"InvalidB58Char",message:"Invalid Base58 character: {0} in {1}"},{name:"InvalidB58Checksum",message:"Invalid Base58 checksum for {0}"},{name:"InvalidNetwork",message:"Invalid version for network: got {0}"},{name:"InvalidState",message:"Invalid state: {0}"},{name:"NotImplemented",message:"Function {0} was not implemented yet"},{name:"InvalidNetworkArgument",message:'Invalid network: must be "livenet" or "testnet", got {0}'},{name:"InvalidArgument",message:function(){return"Invalid Argument"+(arguments[0]?": "+arguments[0]:"")+(arguments[1]?" Documentation: http://bitcore.io/"+arguments[1]:"")}},{name:"AbstractMethodInvoked",message:"Abstract Method Invocation: {0}"},{name:"InvalidArgumentType",message:function(){return"Invalid Argument for "+arguments[2]+", expected "+arguments[1]+" but got "+typeof arguments[0]}},{name:"Unit",message:"Internal Error on Unit {0}",errors:[{name:"UnknownCode",message:"Unrecognized unit code: {0}"},{name:"InvalidRate",message:"Invalid exchange rate: {0}"}]},{name:"Transaction",message:"Internal Error on Transaction {0}",errors:[{name:"Input",message:"Internal Error on Input {0}",errors:[{name:"MissingScript",message:"Need a script to create an input"},{name:"UnsupportedScript",message:"Unsupported input script type: {0}"},{name:"MissingPreviousOutput",message:"No previous output information."}]},{name:"NeedMoreInfo",message:"{0}"},{name:"InvalidSorting",message:"The sorting function provided did not return the change output as one of the array elements"},{name:"InvalidOutputAmountSum",message:"{0}"},{name:"MissingSignatures",message:"Some inputs have not been fully signed"},{name:"InvalidIndex",message:"Invalid index: {0} is not between 0, {1}"},{name:"UnableToVerifySignature",message:"Unable to verify signature: {0}"},{name:"DustOutputs",message:"Dust amount detected in one output"},{name:"InvalidSatoshis",message:"Output satoshis are invalid"},{name:"FeeError",message:"Internal Error on Fee {0}",errors:[{name:"TooSmall",message:"Fee is too small: {0}"},{name:"TooLarge",message:"Fee is too large: {0}"},{name:"Different",message:"Unspent value is different from specified fee: {0}"}]},{name:"ChangeAddressMissing",message:"Change address is missing"},{name:"BlockHeightTooHigh",message:"Block Height can be at most 2^32 -1"},{name:"NLockTimeOutOfRange",message:"Block Height can only be between 0 and 499 999 999"},{name:"LockTimeTooEarly",message:"Lock Time can't be earlier than UNIX date 500 000 000"}]},{name:"Script",message:"Internal Error on Script {0}",errors:[{name:"UnrecognizedAddress",message:"Expected argument {0} to be an address"},{name:"CantDeriveAddress",message:"Can't derive address associated with script {0}, needs to be p2pkh in, p2pkh out, p2sh in, or p2sh out."},{name:"InvalidBuffer",message:"Invalid script buffer: can't parse valid script from given buffer {0}"}]},{name:"HDPrivateKey",message:"Internal Error on HDPrivateKey {0}",errors:[{name:"InvalidDerivationArgument",message:"Invalid derivation argument {0}, expected string, or number and boolean"},{name:"InvalidEntropyArgument",message:"Invalid entropy: must be an hexa string or binary buffer, got {0}",errors:[{name:"TooMuchEntropy",message:'Invalid entropy: more than 512 bits is non standard, got "{0}"'},{name:"NotEnoughEntropy",message:'Invalid entropy: at least 128 bits needed, got "{0}"'}]},{name:"InvalidLength",message:"Invalid length for xprivkey string in {0}"},{name:"InvalidPath",message:"Invalid derivation path: {0}"},{name:"UnrecognizedArgument",message:'Invalid argument: creating a HDPrivateKey requires a string, buffer, json or object, got "{0}"'}]},{name:"HDPublicKey",message:"Internal Error on HDPublicKey {0}",errors:[{name:"ArgumentIsPrivateExtended",message:"Argument is an extended private key: {0}"},{name:"InvalidDerivationArgument",message:"Invalid derivation argument: got {0}"},{name:"InvalidLength",message:'Invalid length for xpubkey: got "{0}"'},{name:"InvalidPath",message:'Invalid derivation path, it should look like: "m/1/100", got "{0}"'},{name:"InvalidIndexCantDeriveHardened",message:"Invalid argument: creating a hardened path requires an HDPrivateKey"},{name:"MustSupplyArgument",message:"Must supply an argument to create a HDPublicKey"},{name:"UnrecognizedArgument",message:"Invalid argument for creation, must be string, json, buffer, or object"}]},{name:"Mnemonic",message:"Internal Error on bitcore-mnemonic module {0}",errors:[{name:"InvalidEntropy",message:"Entropy length must be an even multiple of 11 bits: {0}"},{name:"UnknownWordlist",message:"Could not detect the used word list: {0}"},{name:"InvalidMnemonic",message:"Mnemonic string is invalid: {0}"}]}]},{}],233:[function(require,module,exports){(function(Buffer){"use strict";var assert=require("assert"),buffer=require("buffer"),_=require("lodash"),$=require("./util/preconditions"),BN=require("./crypto/bn"),Base58=require("./encoding/base58"),Base58Check=require("./encoding/base58check"),Hash=require("./crypto/hash"),Network=require("./networks"),Point=require("./crypto/point"),PrivateKey=require("./privatekey"),Random=require("./crypto/random"),errors=require("./errors"),hdErrors=errors.HDPrivateKey,BufferUtil=require("./util/buffer"),JSUtil=require("./util/js");function HDPrivateKey(arg){if(arg instanceof HDPrivateKey)return arg;if(!(this instanceof HDPrivateKey))return new HDPrivateKey(arg);if(!arg)return this._generateRandomly();if(Network.get(arg))return this._generateRandomly(arg);if(_.isString(arg)||BufferUtil.isBuffer(arg))if(HDPrivateKey.isValidSerialized(arg))this._buildFromSerialized(arg);else if(JSUtil.isValidJSON(arg))this._buildFromJSON(arg);else{if(!BufferUtil.isBuffer(arg)||!HDPrivateKey.isValidSerialized(arg.toString()))throw HDPrivateKey.getSerializedError(arg);this._buildFromSerialized(arg.toString())}else{if(!_.isObject(arg))throw new hdErrors.UnrecognizedArgument(arg);this._buildFromObject(arg)}}HDPrivateKey.isValidPath=function(arg,hardened){if(_.isString(arg)){var indexes=HDPrivateKey._getDerivationIndexes(arg);return null!==indexes&&_.every(indexes,HDPrivateKey.isValidPath)}return!!_.isNumber(arg)&&(arg<HDPrivateKey.Hardened&&!0===hardened&&(arg+=HDPrivateKey.Hardened),arg>=0&&arg<HDPrivateKey.MaxIndex)},HDPrivateKey._getDerivationIndexes=function(path){var steps=path.split("/");if(_.includes(HDPrivateKey.RootElementAlias,path))return[];if(!_.includes(HDPrivateKey.RootElementAlias,steps[0]))return null;var indexes=steps.slice(1).map(function(step){var isHardened="'"===step.slice(-1);if(isHardened&&(step=step.slice(0,-1)),!step||"-"===step[0])return NaN;var index=+step;return isHardened&&(index+=HDPrivateKey.Hardened),index});return _.some(indexes,isNaN)?null:indexes},HDPrivateKey.prototype.derive=function(arg,hardened){return this.deriveNonCompliantChild(arg,hardened)},HDPrivateKey.prototype.deriveChild=function(arg,hardened){if(_.isNumber(arg))return this._deriveWithNumber(arg,hardened);if(_.isString(arg))return this._deriveFromString(arg);throw new hdErrors.InvalidDerivationArgument(arg)},HDPrivateKey.prototype.deriveNonCompliantChild=function(arg,hardened){if(_.isNumber(arg))return this._deriveWithNumber(arg,hardened,!0);if(_.isString(arg))return this._deriveFromString(arg,!0);throw new hdErrors.InvalidDerivationArgument(arg)},HDPrivateKey.prototype._deriveWithNumber=function(index,hardened,nonCompliant){if(!HDPrivateKey.isValidPath(index,hardened))throw new hdErrors.InvalidPath(index);hardened=index>=HDPrivateKey.Hardened||hardened,index<HDPrivateKey.Hardened&&!0===hardened&&(index+=HDPrivateKey.Hardened);var data,indexBuffer=BufferUtil.integerAsBuffer(index);if(hardened&&nonCompliant){var nonZeroPadded=this.privateKey.bn.toBuffer();data=BufferUtil.concat([new buffer.Buffer([0]),nonZeroPadded,indexBuffer])}else if(hardened){var privateKeyBuffer=this.privateKey.bn.toBuffer({size:32});assert(32===privateKeyBuffer.length,"length of private key buffer is expected to be 32 bytes"),data=BufferUtil.concat([new buffer.Buffer([0]),privateKeyBuffer,indexBuffer])}else data=BufferUtil.concat([this.publicKey.toBuffer(),indexBuffer]);var hash=Hash.sha512hmac(data,this._buffers.chainCode),leftPart=BN.fromBuffer(hash.slice(0,32),{size:32}),chainCode=hash.slice(32,64),privateKey=leftPart.add(this.privateKey.toBigNumber()).mod(Point.getN()).toBuffer({size:32});if(!PrivateKey.isValid(privateKey))return this._deriveWithNumber(index+1,null,nonCompliant);return new HDPrivateKey({network:this.network,depth:this.depth+1,parentFingerPrint:this.fingerPrint,childIndex:index,chainCode:chainCode,privateKey:privateKey})},HDPrivateKey.prototype._deriveFromString=function(path,nonCompliant){if(!HDPrivateKey.isValidPath(path))throw new hdErrors.InvalidPath(path);return HDPrivateKey._getDerivationIndexes(path).reduce(function(prev,index){return prev._deriveWithNumber(index,null,nonCompliant)},this)},HDPrivateKey.isValidSerialized=function(data,network){return!HDPrivateKey.getSerializedError(data,network)},HDPrivateKey.getSerializedError=function(data,network){if(!_.isString(data)&&!BufferUtil.isBuffer(data))return new hdErrors.UnrecognizedArgument("Expected string or buffer");if(!Base58.validCharacters(data))return new errors.InvalidB58Char("(unknown)",data);try{data=Base58Check.decode(data)}catch(e){return new errors.InvalidB58Checksum(data)}if(data.length!==HDPrivateKey.DataLength)return new hdErrors.InvalidLength(data);if(!_.isUndefined(network)){var error=HDPrivateKey._validateNetwork(data,network);if(error)return error}return null},HDPrivateKey._validateNetwork=function(data,networkArg){var network=Network.get(networkArg);if(!network)return new errors.InvalidNetworkArgument(networkArg);var version=data.slice(0,4);return BufferUtil.integerFromBuffer(version)!==network.xprivkey?new errors.InvalidNetwork(version):null},HDPrivateKey.fromString=function(arg){return $.checkArgument(_.isString(arg),"No valid string was provided"),new HDPrivateKey(arg)},HDPrivateKey.fromObject=function(arg){return $.checkArgument(_.isObject(arg),"No valid argument was provided"),new HDPrivateKey(arg)},HDPrivateKey.prototype._buildFromJSON=function(arg){return this._buildFromObject(JSON.parse(arg))},HDPrivateKey.prototype._buildFromObject=function(arg){var buffers={version:arg.network?BufferUtil.integerAsBuffer(Network.get(arg.network).xprivkey):arg.version,depth:_.isNumber(arg.depth)?BufferUtil.integerAsSingleByteBuffer(arg.depth):arg.depth,parentFingerPrint:_.isNumber(arg.parentFingerPrint)?BufferUtil.integerAsBuffer(arg.parentFingerPrint):arg.parentFingerPrint,childIndex:_.isNumber(arg.childIndex)?BufferUtil.integerAsBuffer(arg.childIndex):arg.childIndex,chainCode:_.isString(arg.chainCode)?BufferUtil.hexToBuffer(arg.chainCode):arg.chainCode,privateKey:_.isString(arg.privateKey)&&JSUtil.isHexa(arg.privateKey)?BufferUtil.hexToBuffer(arg.privateKey):arg.privateKey,checksum:arg.checksum?arg.checksum.length?arg.checksum:BufferUtil.integerAsBuffer(arg.checksum):void 0};return this._buildFromBuffers(buffers)},HDPrivateKey.prototype._buildFromSerialized=function(arg){var decoded=Base58Check.decode(arg),buffers={version:decoded.slice(HDPrivateKey.VersionStart,HDPrivateKey.VersionEnd),depth:decoded.slice(HDPrivateKey.DepthStart,HDPrivateKey.DepthEnd),parentFingerPrint:decoded.slice(HDPrivateKey.ParentFingerPrintStart,HDPrivateKey.ParentFingerPrintEnd),childIndex:decoded.slice(HDPrivateKey.ChildIndexStart,HDPrivateKey.ChildIndexEnd),chainCode:decoded.slice(HDPrivateKey.ChainCodeStart,HDPrivateKey.ChainCodeEnd),privateKey:decoded.slice(HDPrivateKey.PrivateKeyStart,HDPrivateKey.PrivateKeyEnd),checksum:decoded.slice(HDPrivateKey.ChecksumStart,HDPrivateKey.ChecksumEnd),xprivkey:arg};return this._buildFromBuffers(buffers)},HDPrivateKey.prototype._generateRandomly=function(network){return HDPrivateKey.fromSeed(Random.getRandomBuffer(64),network)},HDPrivateKey.fromSeed=function(hexa,network){if(JSUtil.isHexaString(hexa)&&(hexa=BufferUtil.hexToBuffer(hexa)),!Buffer.isBuffer(hexa))throw new hdErrors.InvalidEntropyArgument(hexa);if(hexa.length<16)throw new hdErrors.InvalidEntropyArgument.NotEnoughEntropy(hexa);if(hexa.length>64)throw new hdErrors.InvalidEntropyArgument.TooMuchEntropy(hexa);var hash=Hash.sha512hmac(hexa,new buffer.Buffer("Bitcoin seed"));return new HDPrivateKey({network:Network.get(network)||Network.defaultNetwork,depth:0,parentFingerPrint:0,childIndex:0,privateKey:hash.slice(0,32),chainCode:hash.slice(32,64)})},HDPrivateKey.prototype._calcHDPublicKey=function(){if(!this._hdPublicKey){var HDPublicKey=require("./hdpublickey");this._hdPublicKey=new HDPublicKey(this)}},HDPrivateKey.prototype._buildFromBuffers=function(arg){HDPrivateKey._validateBufferArguments(arg),JSUtil.defineImmutable(this,{_buffers:arg});var sequence=[arg.version,arg.depth,arg.parentFingerPrint,arg.childIndex,arg.chainCode,BufferUtil.emptyBuffer(1),arg.privateKey],concat=buffer.Buffer.concat(sequence);if(arg.checksum&&arg.checksum.length){if(arg.checksum.toString()!==Base58Check.checksum(concat).toString())throw new errors.InvalidB58Checksum(concat)}else arg.checksum=Base58Check.checksum(concat);var xprivkey,network=Network.get(BufferUtil.integerFromBuffer(arg.version));xprivkey=Base58Check.encode(buffer.Buffer.concat(sequence)),arg.xprivkey=new Buffer(xprivkey);var privateKey=new PrivateKey(BN.fromBuffer(arg.privateKey),network),publicKey=privateKey.toPublicKey(),size=HDPrivateKey.ParentFingerPrintSize,fingerPrint=Hash.sha256ripemd160(publicKey.toBuffer()).slice(0,size);return JSUtil.defineImmutable(this,{xprivkey:xprivkey,network:network,depth:BufferUtil.integerFromSingleByteBuffer(arg.depth),privateKey:privateKey,publicKey:publicKey,fingerPrint:fingerPrint}),this._hdPublicKey=null,Object.defineProperty(this,"hdPublicKey",{configurable:!1,enumerable:!0,get:function(){return this._calcHDPublicKey(),this._hdPublicKey}}),Object.defineProperty(this,"xpubkey",{configurable:!1,enumerable:!0,get:function(){return this._calcHDPublicKey(),this._hdPublicKey.xpubkey}}),this},HDPrivateKey._validateBufferArguments=function(arg){var checkBuffer=function(name,size){var buff=arg[name];assert(BufferUtil.isBuffer(buff),name+" argument is not a buffer"),assert(buff.length===size,name+" has not the expected size: found "+buff.length+", expected "+size)};checkBuffer("version",HDPrivateKey.VersionSize),checkBuffer("depth",HDPrivateKey.DepthSize),checkBuffer("parentFingerPrint",HDPrivateKey.ParentFingerPrintSize),checkBuffer("childIndex",HDPrivateKey.ChildIndexSize),checkBuffer("chainCode",HDPrivateKey.ChainCodeSize),checkBuffer("privateKey",HDPrivateKey.PrivateKeySize),arg.checksum&&arg.checksum.length&&checkBuffer("checksum",HDPrivateKey.CheckSumSize)},HDPrivateKey.prototype.toString=function(){return this.xprivkey},HDPrivateKey.prototype.inspect=function(){return"<HDPrivateKey: "+this.xprivkey+">"},HDPrivateKey.prototype.toObject=HDPrivateKey.prototype.toJSON=function(){return{network:Network.get(BufferUtil.integerFromBuffer(this._buffers.version),"xprivkey").name,depth:BufferUtil.integerFromSingleByteBuffer(this._buffers.depth),fingerPrint:BufferUtil.integerFromBuffer(this.fingerPrint),parentFingerPrint:BufferUtil.integerFromBuffer(this._buffers.parentFingerPrint),childIndex:BufferUtil.integerFromBuffer(this._buffers.childIndex),chainCode:BufferUtil.bufferToHex(this._buffers.chainCode),privateKey:this.privateKey.toBuffer().toString("hex"),checksum:BufferUtil.integerFromBuffer(this._buffers.checksum),xprivkey:this.xprivkey}},HDPrivateKey.fromBuffer=function(arg){return new HDPrivateKey(arg.toString())},HDPrivateKey.prototype.toBuffer=function(){return BufferUtil.copy(this._buffers.xprivkey)},HDPrivateKey.DefaultDepth=0,HDPrivateKey.DefaultFingerprint=0,HDPrivateKey.DefaultChildIndex=0,HDPrivateKey.Hardened=2147483648,HDPrivateKey.MaxIndex=2*HDPrivateKey.Hardened,HDPrivateKey.RootElementAlias=["m","M","m'","M'"],HDPrivateKey.VersionSize=4,HDPrivateKey.DepthSize=1,HDPrivateKey.ParentFingerPrintSize=4,HDPrivateKey.ChildIndexSize=4,HDPrivateKey.ChainCodeSize=32,HDPrivateKey.PrivateKeySize=32,HDPrivateKey.CheckSumSize=4,HDPrivateKey.DataLength=78,HDPrivateKey.SerializedByteSize=82,HDPrivateKey.VersionStart=0,HDPrivateKey.VersionEnd=HDPrivateKey.VersionStart+HDPrivateKey.VersionSize,HDPrivateKey.DepthStart=HDPrivateKey.VersionEnd,HDPrivateKey.DepthEnd=HDPrivateKey.DepthStart+HDPrivateKey.DepthSize,HDPrivateKey.ParentFingerPrintStart=HDPrivateKey.DepthEnd,HDPrivateKey.ParentFingerPrintEnd=HDPrivateKey.ParentFingerPrintStart+HDPrivateKey.ParentFingerPrintSize,HDPrivateKey.ChildIndexStart=HDPrivateKey.ParentFingerPrintEnd,HDPrivateKey.ChildIndexEnd=HDPrivateKey.ChildIndexStart+HDPrivateKey.ChildIndexSize,HDPrivateKey.ChainCodeStart=HDPrivateKey.ChildIndexEnd,HDPrivateKey.ChainCodeEnd=HDPrivateKey.ChainCodeStart+HDPrivateKey.ChainCodeSize,HDPrivateKey.PrivateKeyStart=HDPrivateKey.ChainCodeEnd+1,HDPrivateKey.PrivateKeyEnd=HDPrivateKey.PrivateKeyStart+HDPrivateKey.PrivateKeySize,HDPrivateKey.ChecksumStart=HDPrivateKey.PrivateKeyEnd,HDPrivateKey.ChecksumEnd=HDPrivateKey.ChecksumStart+HDPrivateKey.CheckSumSize,assert(HDPrivateKey.ChecksumEnd===HDPrivateKey.SerializedByteSize),module.exports=HDPrivateKey}).call(this,require("buffer").Buffer)},{"./crypto/bn":220,"./crypto/hash":222,"./crypto/point":223,"./crypto/random":224,"./encoding/base58":226,"./encoding/base58check":227,"./errors":231,"./hdpublickey":234,"./networks":246,"./privatekey":248,"./util/buffer":267,"./util/js":268,"./util/preconditions":269,assert:16,buffer:70,lodash:148}],234:[function(require,module,exports){(function(Buffer){"use strict";var _=require("lodash"),$=require("./util/preconditions"),BN=require("./crypto/bn"),Base58=require("./encoding/base58"),Base58Check=require("./encoding/base58check"),Hash=require("./crypto/hash"),HDPrivateKey=require("./hdprivatekey"),Network=require("./networks"),Point=require("./crypto/point"),PublicKey=require("./publickey"),bitcoreErrors=require("./errors"),errors=bitcoreErrors,hdErrors=bitcoreErrors.HDPublicKey,assert=require("assert"),JSUtil=require("./util/js"),BufferUtil=require("./util/buffer");function HDPublicKey(arg){if(arg instanceof HDPublicKey)return arg;if(!(this instanceof HDPublicKey))return new HDPublicKey(arg);if(arg){if(_.isString(arg)||BufferUtil.isBuffer(arg)){var error=HDPublicKey.getSerializedError(arg);if(error){if(BufferUtil.isBuffer(arg)&&!HDPublicKey.getSerializedError(arg.toString()))return this._buildFromSerialized(arg.toString());if(error instanceof hdErrors.ArgumentIsPrivateExtended)return new HDPrivateKey(arg).hdPublicKey;throw error}return this._buildFromSerialized(arg)}if(_.isObject(arg))return arg instanceof HDPrivateKey?this._buildFromPrivate(arg):this._buildFromObject(arg);throw new hdErrors.UnrecognizedArgument(arg)}throw new hdErrors.MustSupplyArgument}HDPublicKey.isValidPath=function(arg){if(_.isString(arg)){var indexes=HDPrivateKey._getDerivationIndexes(arg);return null!==indexes&&_.every(indexes,HDPublicKey.isValidPath)}return!!_.isNumber(arg)&&(arg>=0&&arg<HDPublicKey.Hardened)},HDPublicKey.prototype.derive=function(arg,hardened){return this.deriveChild(arg,hardened)},HDPublicKey.prototype.deriveChild=function(arg,hardened){if(_.isNumber(arg))return this._deriveWithNumber(arg,hardened);if(_.isString(arg))return this._deriveFromString(arg);throw new hdErrors.InvalidDerivationArgument(arg)},HDPublicKey.prototype._deriveWithNumber=function(index,hardened){if(index>=HDPublicKey.Hardened||hardened)throw new hdErrors.InvalidIndexCantDeriveHardened;if(index<0)throw new hdErrors.InvalidPath(index);var publicKey,indexBuffer=BufferUtil.integerAsBuffer(index),data=BufferUtil.concat([this.publicKey.toBuffer(),indexBuffer]),hash=Hash.sha512hmac(data,this._buffers.chainCode),leftPart=BN.fromBuffer(hash.slice(0,32),{size:32}),chainCode=hash.slice(32,64);try{publicKey=PublicKey.fromPoint(Point.getG().mul(leftPart).add(this.publicKey.point))}catch(e){return this._deriveWithNumber(index+1)}return new HDPublicKey({network:this.network,depth:this.depth+1,parentFingerPrint:this.fingerPrint,childIndex:index,chainCode:chainCode,publicKey:publicKey})},HDPublicKey.prototype._deriveFromString=function(path){if(_.includes(path,"'"))throw new hdErrors.InvalidIndexCantDeriveHardened;if(!HDPublicKey.isValidPath(path))throw new hdErrors.InvalidPath(path);return HDPrivateKey._getDerivationIndexes(path).reduce(function(prev,index){return prev._deriveWithNumber(index)},this)},HDPublicKey.isValidSerialized=function(data,network){return _.isNull(HDPublicKey.getSerializedError(data,network))},HDPublicKey.getSerializedError=function(data,network){if(!_.isString(data)&&!BufferUtil.isBuffer(data))return new hdErrors.UnrecognizedArgument("expected buffer or string");if(!Base58.validCharacters(data))return new errors.InvalidB58Char("(unknown)",data);try{data=Base58Check.decode(data)}catch(e){return new errors.InvalidB58Checksum(data)}if(data.length!==HDPublicKey.DataSize)return new hdErrors.InvalidLength(data);if(!_.isUndefined(network)){var error=HDPublicKey._validateNetwork(data,network);if(error)return error}var version=BufferUtil.integerFromBuffer(data.slice(0,4));return version===Network.livenet.xprivkey||version===Network.testnet.xprivkey?new hdErrors.ArgumentIsPrivateExtended:null},HDPublicKey._validateNetwork=function(data,networkArg){var network=Network.get(networkArg);if(!network)return new errors.InvalidNetworkArgument(networkArg);var version=data.slice(HDPublicKey.VersionStart,HDPublicKey.VersionEnd);return BufferUtil.integerFromBuffer(version)!==network.xpubkey?new errors.InvalidNetwork(version):null},HDPublicKey.prototype._buildFromPrivate=function(arg){var args=_.clone(arg._buffers),point=Point.getG().mul(BN.fromBuffer(args.privateKey));return args.publicKey=Point.pointToCompressed(point),args.version=BufferUtil.integerAsBuffer(Network.get(BufferUtil.integerFromBuffer(args.version)).xpubkey),args.privateKey=void 0,args.checksum=void 0,args.xprivkey=void 0,this._buildFromBuffers(args)},HDPublicKey.prototype._buildFromObject=function(arg){var buffers={version:arg.network?BufferUtil.integerAsBuffer(Network.get(arg.network).xpubkey):arg.version,depth:_.isNumber(arg.depth)?BufferUtil.integerAsSingleByteBuffer(arg.depth):arg.depth,parentFingerPrint:_.isNumber(arg.parentFingerPrint)?BufferUtil.integerAsBuffer(arg.parentFingerPrint):arg.parentFingerPrint,childIndex:_.isNumber(arg.childIndex)?BufferUtil.integerAsBuffer(arg.childIndex):arg.childIndex,chainCode:_.isString(arg.chainCode)?BufferUtil.hexToBuffer(arg.chainCode):arg.chainCode,publicKey:_.isString(arg.publicKey)?BufferUtil.hexToBuffer(arg.publicKey):BufferUtil.isBuffer(arg.publicKey)?arg.publicKey:arg.publicKey.toBuffer(),checksum:_.isNumber(arg.checksum)?BufferUtil.integerAsBuffer(arg.checksum):arg.checksum};return this._buildFromBuffers(buffers)},HDPublicKey.prototype._buildFromSerialized=function(arg){var decoded=Base58Check.decode(arg),buffers={version:decoded.slice(HDPublicKey.VersionStart,HDPublicKey.VersionEnd),depth:decoded.slice(HDPublicKey.DepthStart,HDPublicKey.DepthEnd),parentFingerPrint:decoded.slice(HDPublicKey.ParentFingerPrintStart,HDPublicKey.ParentFingerPrintEnd),childIndex:decoded.slice(HDPublicKey.ChildIndexStart,HDPublicKey.ChildIndexEnd),chainCode:decoded.slice(HDPublicKey.ChainCodeStart,HDPublicKey.ChainCodeEnd),publicKey:decoded.slice(HDPublicKey.PublicKeyStart,HDPublicKey.PublicKeyEnd),checksum:decoded.slice(HDPublicKey.ChecksumStart,HDPublicKey.ChecksumEnd),xpubkey:arg};return this._buildFromBuffers(buffers)},HDPublicKey.prototype._buildFromBuffers=function(arg){HDPublicKey._validateBufferArguments(arg),JSUtil.defineImmutable(this,{_buffers:arg});var sequence=[arg.version,arg.depth,arg.parentFingerPrint,arg.childIndex,arg.chainCode,arg.publicKey],concat=BufferUtil.concat(sequence),checksum=Base58Check.checksum(concat);if(arg.checksum&&arg.checksum.length){if(arg.checksum.toString("hex")!==checksum.toString("hex"))throw new errors.InvalidB58Checksum(concat,checksum)}else arg.checksum=checksum;var xpubkey,network=Network.get(BufferUtil.integerFromBuffer(arg.version));xpubkey=Base58Check.encode(BufferUtil.concat(sequence)),arg.xpubkey=new Buffer(xpubkey);var publicKey=new PublicKey(arg.publicKey,{network:network}),size=HDPublicKey.ParentFingerPrintSize,fingerPrint=Hash.sha256ripemd160(publicKey.toBuffer()).slice(0,size);return JSUtil.defineImmutable(this,{xpubkey:xpubkey,network:network,depth:BufferUtil.integerFromSingleByteBuffer(arg.depth),publicKey:publicKey,fingerPrint:fingerPrint}),this},HDPublicKey._validateBufferArguments=function(arg){var checkBuffer=function(name,size){var buff=arg[name];assert(BufferUtil.isBuffer(buff),name+" argument is not a buffer, it's "+typeof buff),assert(buff.length===size,name+" has not the expected size: found "+buff.length+", expected "+size)};checkBuffer("version",HDPublicKey.VersionSize),checkBuffer("depth",HDPublicKey.DepthSize),checkBuffer("parentFingerPrint",HDPublicKey.ParentFingerPrintSize),checkBuffer("childIndex",HDPublicKey.ChildIndexSize),checkBuffer("chainCode",HDPublicKey.ChainCodeSize),checkBuffer("publicKey",HDPublicKey.PublicKeySize),arg.checksum&&arg.checksum.length&&checkBuffer("checksum",HDPublicKey.CheckSumSize)},HDPublicKey.fromString=function(arg){return $.checkArgument(_.isString(arg),"No valid string was provided"),new HDPublicKey(arg)},HDPublicKey.fromObject=function(arg){return $.checkArgument(_.isObject(arg),"No valid argument was provided"),new HDPublicKey(arg)},HDPublicKey.prototype.toString=function(){return this.xpubkey},HDPublicKey.prototype.inspect=function(){return"<HDPublicKey: "+this.xpubkey+">"},HDPublicKey.prototype.toObject=HDPublicKey.prototype.toJSON=function(){return{network:Network.get(BufferUtil.integerFromBuffer(this._buffers.version)).name,depth:BufferUtil.integerFromSingleByteBuffer(this._buffers.depth),fingerPrint:BufferUtil.integerFromBuffer(this.fingerPrint),parentFingerPrint:BufferUtil.integerFromBuffer(this._buffers.parentFingerPrint),childIndex:BufferUtil.integerFromBuffer(this._buffers.childIndex),chainCode:BufferUtil.bufferToHex(this._buffers.chainCode),publicKey:this.publicKey.toString(),checksum:BufferUtil.integerFromBuffer(this._buffers.checksum),xpubkey:this.xpubkey}},HDPublicKey.fromBuffer=function(arg){return new HDPublicKey(arg)},HDPublicKey.prototype.toBuffer=function(){return BufferUtil.copy(this._buffers.xpubkey)},HDPublicKey.Hardened=2147483648,HDPublicKey.RootElementAlias=["m","M"],HDPublicKey.VersionSize=4,HDPublicKey.DepthSize=1,HDPublicKey.ParentFingerPrintSize=4,HDPublicKey.ChildIndexSize=4,HDPublicKey.ChainCodeSize=32,HDPublicKey.PublicKeySize=33,HDPublicKey.CheckSumSize=4,HDPublicKey.DataSize=78,HDPublicKey.SerializedByteSize=82,HDPublicKey.VersionStart=0,HDPublicKey.VersionEnd=HDPublicKey.VersionStart+HDPublicKey.VersionSize,HDPublicKey.DepthStart=HDPublicKey.VersionEnd,HDPublicKey.DepthEnd=HDPublicKey.DepthStart+HDPublicKey.DepthSize,HDPublicKey.ParentFingerPrintStart=HDPublicKey.DepthEnd,HDPublicKey.ParentFingerPrintEnd=HDPublicKey.ParentFingerPrintStart+HDPublicKey.ParentFingerPrintSize,HDPublicKey.ChildIndexStart=HDPublicKey.ParentFingerPrintEnd,HDPublicKey.ChildIndexEnd=HDPublicKey.ChildIndexStart+HDPublicKey.ChildIndexSize,HDPublicKey.ChainCodeStart=HDPublicKey.ChildIndexEnd,HDPublicKey.ChainCodeEnd=HDPublicKey.ChainCodeStart+HDPublicKey.ChainCodeSize,HDPublicKey.PublicKeyStart=HDPublicKey.ChainCodeEnd,HDPublicKey.PublicKeyEnd=HDPublicKey.PublicKeyStart+HDPublicKey.PublicKeySize,HDPublicKey.ChecksumStart=HDPublicKey.PublicKeyEnd,HDPublicKey.ChecksumEnd=HDPublicKey.ChecksumStart+HDPublicKey.CheckSumSize,assert(HDPublicKey.PublicKeyEnd===HDPublicKey.DataSize),assert(HDPublicKey.ChecksumEnd===HDPublicKey.SerializedByteSize),module.exports=HDPublicKey}).call(this,require("buffer").Buffer)},{"./crypto/bn":220,"./crypto/hash":222,"./crypto/point":223,"./encoding/base58":226,"./encoding/base58check":227,"./errors":231,"./hdprivatekey":233,"./networks":246,"./publickey":249,"./util/buffer":267,"./util/js":268,"./util/preconditions":269,assert:16,buffer:70,lodash:148}],235:[function(require,module,exports){(function(Buffer){"use strict";var _=require("lodash"),$=require("./util/preconditions"),Address=require("./address"),PublicKey=require("./publickey"),PrivateKey=require("./privatekey"),BufferWriter=require("./encoding/bufferwriter"),ECDSA=require("./crypto/ecdsa"),Signature=require("./crypto/signature"),sha256sha256=require("./crypto/hash").sha256sha256,JSUtil=require("./util/js"),Message=function Message(message){return this instanceof Message?($.checkArgument(_.isString(message),"First argument should be a string"),this.message=message,this):new Message(message)};Message.MAGIC_BYTES=new Buffer("Bitcoin Signed Message:\n"),Message.prototype.magicHash=function(){var prefix1=BufferWriter.varintBufNum(Message.MAGIC_BYTES.length),messageBuffer=new Buffer(this.message),prefix2=BufferWriter.varintBufNum(messageBuffer.length),buf=Buffer.concat([prefix1,Message.MAGIC_BYTES,prefix2,messageBuffer]);return sha256sha256(buf)},Message.prototype._sign=function(privateKey){console.log(privateKey),$.checkArgument(privateKey instanceof PrivateKey,"First argument should be an instance of PrivateKey");var hash=this.magicHash(),ecdsa=new ECDSA;return ecdsa.hashbuf=hash,ecdsa.privkey=privateKey,ecdsa.pubkey=privateKey.toPublicKey(),ecdsa.signRandomK(),ecdsa.calci(),ecdsa.sig},Message.prototype.sign=function(privateKey){return this._sign(privateKey).toCompact().toString("base64")},Message.prototype._verify=function(publicKey,signature){$.checkArgument(publicKey instanceof PublicKey,"First argument should be an instance of PublicKey"),$.checkArgument(signature instanceof Signature,"Second argument should be an instance of Signature");var hash=this.magicHash(),verified=ECDSA.verify(hash,signature,publicKey);return verified||(this.error="The signature was invalid"),verified},Message.prototype.verify=function(bitcoinAddress,signatureString){$.checkArgument(bitcoinAddress),$.checkArgument(signatureString&&_.isString(signatureString)),_.isString(bitcoinAddress)&&(bitcoinAddress=Address.fromString(bitcoinAddress));var signature=Signature.fromCompact(new Buffer(signatureString,"base64")),ecdsa=new ECDSA;ecdsa.hashbuf=this.magicHash(),ecdsa.sig=signature;var publicKey=ecdsa.toPublicKey(),signatureAddress=Address.fromPublicKey(publicKey,bitcoinAddress.network);return bitcoinAddress.toString()!==signatureAddress.toString()?(this.error="The signature did not match the message digest",!1):this._verify(publicKey,signature)},Message.fromString=function(str){return new Message(str)},Message.fromJSON=function(json){return JSUtil.isValidJSON(json)&&(json=JSON.parse(json)),new Message(json.message)},Message.prototype.toObject=function(){return{message:this.message}},Message.prototype.toJSON=function(){return JSON.stringify(this.toObject())},Message.prototype.toString=function(){return this.message},Message.prototype.inspect=function(){return"<Message: "+this.toString()+">"},module.exports=Message}).call(this,require("buffer").Buffer)},{"./address":214,"./crypto/ecdsa":221,"./crypto/hash":222,"./crypto/signature":225,"./encoding/bufferwriter":229,"./privatekey":248,"./publickey":249,"./util/js":268,"./util/preconditions":269,buffer:70,lodash:148}],236:[function(require,module,exports){module.exports=require("./mnemonic")},{"./mnemonic":237}],237:[function(require,module,exports){(function(Buffer){"use strict";var _=require("lodash"),$=require("../util/preconditions"),BN=require("../crypto/bn"),errors=require("../errors"),Hash=require("../crypto/hash"),HDPrivateKey=require("../hdprivatekey"),Random=require("../crypto/random"),unorm=require("unorm"),Mnemonic=function(data,wordlist){if(!(this instanceof Mnemonic))return new Mnemonic(data,wordlist);_.isArray(data)&&(wordlist=data,data=null);var ent,phrase,seed;if(Buffer.isBuffer(data))seed=data;else if(_.isString(data))phrase=unorm.nfkd(data);else if(_.isNumber(data))ent=data;else if(data)throw new errors.InvalidArgument("data","Must be a Buffer, a string or an integer");if(ent=ent||128,wordlist=wordlist||Mnemonic._getDictionary(phrase),phrase&&!wordlist)throw new errors.UnknownWordlist(phrase);if(wordlist=wordlist||Mnemonic.Words.ENGLISH,seed&&(phrase=Mnemonic._entropy2mnemonic(seed,wordlist)),phrase&&!Mnemonic.isValid(phrase,wordlist))throw new errors.InvalidMnemonic(phrase);if(ent%32!=0||ent<128)throw new errors.InvalidArgument("ENT","Values must be ENT > 128 and ENT % 32 == 0");phrase=phrase||Mnemonic._mnemonic(ent,wordlist),Object.defineProperty(this,"wordlist",{configurable:!1,value:wordlist}),Object.defineProperty(this,"phrase",{configurable:!1,value:phrase})};Mnemonic.Words=require("./words"),Mnemonic.isValid=function(mnemonic,wordlist){if(mnemonic=unorm.nfkd(mnemonic),!(wordlist=wordlist||Mnemonic._getDictionary(mnemonic)))return!1;for(var words=mnemonic.split(" "),bin="",i=0;i<words.length;i++){var ind=wordlist.indexOf(words[i]);if(ind<0)return!1;bin+=("00000000000"+ind.toString(2)).slice(-11)}var cs=bin.length/33,hash_bits=bin.slice(-cs),nonhash_bits=bin.slice(0,bin.length-cs),buf=new Buffer(nonhash_bits.length/8);for(i=0;i<nonhash_bits.length/8;i++)buf.writeUInt8(parseInt(bin.slice(8*i,8*(i+1)),2),i);return Mnemonic._entropyChecksum(buf)===hash_bits},Mnemonic._belongsToWordlist=function(mnemonic,wordlist){for(var words=unorm.nfkd(mnemonic).split(" "),i=0;i<words.length;i++){if(wordlist.indexOf(words[i])<0)return!1}return!0},Mnemonic._getDictionary=function(mnemonic){if(!mnemonic)return null;for(var dicts=Object.keys(Mnemonic.Words),i=0;i<dicts.length;i++){var key=dicts[i];if(Mnemonic._belongsToWordlist(mnemonic,Mnemonic.Words[key]))return Mnemonic.Words[key]}return null},Mnemonic.prototype.toSeed=function(passphrase){return passphrase=passphrase||"",Mnemonic.pbkdf2(unorm.nfkd(this.phrase),unorm.nfkd("mnemonic"+passphrase),2048,64)},Mnemonic.fromSeed=function(seed,wordlist){return $.checkArgument(Buffer.isBuffer(seed),"seed must be a Buffer."),$.checkArgument(_.isArray(wordlist)||_.isString(wordlist),"wordlist must be a string or an array."),new Mnemonic(seed,wordlist)},Mnemonic.prototype.toHDPrivateKey=function(passphrase,network){var seed=this.toSeed(passphrase);return HDPrivateKey.fromSeed(seed,network)},Mnemonic.prototype.toString=function(){return this.phrase},Mnemonic.prototype.inspect=function(){return"<Mnemonic: "+this.toString()+" >"},Mnemonic._mnemonic=function(ENT,wordlist){var buf=Random.getRandomBuffer(ENT/8);return Mnemonic._entropy2mnemonic(buf,wordlist)},Mnemonic._entropy2mnemonic=function(entropy,wordlist){for(var bin="",i=0;i<entropy.length;i++)bin+=("00000000"+entropy[i].toString(2)).slice(-8);if((bin+=Mnemonic._entropyChecksum(entropy)).length%11!=0)throw new errors.InvalidEntropy(bin);var mnemonic=[];for(i=0;i<bin.length/11;i++){var wi=parseInt(bin.slice(11*i,11*(i+1)),2);mnemonic.push(wordlist[wi])}return wordlist===Mnemonic.Words.JAPANESE?mnemonic.join("　"):mnemonic.join(" ")},Mnemonic._entropyChecksum=function(entropy){for(var hash=Hash.sha256(entropy),cs=8*entropy.length/32,hashbits=new BN(hash.toString("hex"),16).toString(2);hashbits.length%256!=0;)hashbits="0"+hashbits;return 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strict";var _=require("lodash"),BufferUtil=require("./util/buffer"),JSUtil=require("./util/js"),networks=[],networkMaps={};function Network(){}Network.prototype.toString=function(){return this.name};function get(arg,keys){if(~networks.indexOf(arg))return arg;{if(!keys)return networkMaps[arg];_.isArray(keys)||(keys=[keys]);var containsArg=function(key){return networks[index][key]===arg};for(var index in networks)if(_.some(keys,containsArg))return networks[index]}}function addNetwork(data){var network=new Network;return JSUtil.defineImmutable(network,{name:data.name,alias:data.alias,pubkeyhash:data.pubkeyhash,privatekey:data.privatekey,scripthash:data.scripthash,xpubkey:data.xpubkey,xprivkey:data.xprivkey}),data.networkMagic&&JSUtil.defineImmutable(network,{networkMagic:BufferUtil.integerAsBuffer(data.networkMagic)}),data.port&&JSUtil.defineImmutable(network,{port:data.port}),data.dnsSeeds&&JSUtil.defineImmutable(network,{dnsSeeds:data.dnsSeeds}),_.each(network,function(value){_.isUndefined(value)||_.isObject(value)||(networkMaps[value]=network)}),networks.push(network),network}addNetwork({name:"livenet",alias:"mainnet",pubkeyhash:0,privatekey:128,scripthash:5,xpubkey:76067358,xprivkey:76066276,networkMagic:4190024921,port:8333,dnsSeeds:["seed.bitcoin.sipa.be","dnsseed.bluematt.me","dnsseed.bitcoin.dashjr.org","seed.bitcoinstats.com","seed.bitnodes.io","bitseed.xf2.org"]});var livenet=get("livenet");addNetwork({name:"testnet",alias:"regtest",pubkeyhash:111,privatekey:239,scripthash:196,xpubkey:70617039,xprivkey:70615956});var testnet=get("testnet"),TESTNET={PORT:18333,NETWORK_MAGIC:BufferUtil.integerAsBuffer(185665799),DNS_SEEDS:["testnet-seed.bitcoin.petertodd.org","testnet-seed.bluematt.me","testnet-seed.alexykot.me","testnet-seed.bitcoin.schildbach.de"]};for(var key in TESTNET)_.isObject(TESTNET[key])||(networkMaps[TESTNET[key]]=testnet);var REGTEST={PORT:18444,NETWORK_MAGIC:BufferUtil.integerAsBuffer(4206867930),DNS_SEEDS:[]};for(var key in REGTEST)_.isObject(REGTEST[key])||(networkMaps[REGTEST[key]]=testnet);Object.defineProperty(testnet,"port",{enumerable:!0,configurable:!1,get:function(){return this.regtestEnabled?REGTEST.PORT:TESTNET.PORT}}),Object.defineProperty(testnet,"networkMagic",{enumerable:!0,configurable:!1,get:function(){return this.regtestEnabled?REGTEST.NETWORK_MAGIC:TESTNET.NETWORK_MAGIC}}),Object.defineProperty(testnet,"dnsSeeds",{enumerable:!0,configurable:!1,get:function(){return this.regtestEnabled?REGTEST.DNS_SEEDS:TESTNET.DNS_SEEDS}});module.exports={add:addNetwork,remove:function(network){for(var i=0;i<networks.length;i++)networks[i]===network&&networks.splice(i,1);for(var key in networkMaps)networkMaps[key]===network&&delete networkMaps[key]},defaultNetwork:livenet,livenet:livenet,mainnet:livenet,testnet:testnet,get:get,enableRegtest:function(){testnet.regtestEnabled=!0},disableRegtest:function(){testnet.regtestEnabled=!1}}},{"./util/buffer":267,"./util/js":268,lodash:148}],247:[function(require,module,exports){(function(Buffer){"use strict";var _=require("lodash"),$=require("./util/preconditions"),BufferUtil=require("./util/buffer"),JSUtil=require("./util/js");function Opcode(num){if(!(this instanceof Opcode))return new Opcode(num);var value;if(_.isNumber(num))value=num;else{if(!_.isString(num))throw new TypeError('Unrecognized num type: "'+typeof num+'" for Opcode');value=Opcode.map[num]}return JSUtil.defineImmutable(this,{num:value}),this}Opcode.fromBuffer=function(buf){return $.checkArgument(BufferUtil.isBuffer(buf)),new Opcode(Number("0x"+buf.toString("hex")))},Opcode.fromNumber=function(num){return $.checkArgument(_.isNumber(num)),new Opcode(num)},Opcode.fromString=function(str){$.checkArgument(_.isString(str));var value=Opcode.map[str];if(void 0===value)throw new TypeError("Invalid opcodestr");return new Opcode(value)},Opcode.prototype.toHex=function(){return this.num.toString(16)},Opcode.prototype.toBuffer=function(){return new Buffer(this.toHex(),"hex")},Opcode.prototype.toNumber=function(){return this.num},Opcode.prototype.toString=function(){var str=Opcode.reverseMap[this.num];if(void 0===str)throw new Error("Opcode does not have a string representation");return str},Opcode.smallInt=function(n){return $.checkArgument(_.isNumber(n),"Invalid Argument: n should be number"),$.checkArgument(n>=0&&n<=16,"Invalid Argument: n must be between 0 and 16"),0===n?Opcode("OP_0"):new Opcode(Opcode.map.OP_1+n-1)},Opcode.map={OP_FALSE:0,OP_0:0,OP_PUSHDATA1:76,OP_PUSHDATA2:77,OP_PUSHDATA4:78,OP_1NEGATE:79,OP_RESERVED:80,OP_TRUE:81,OP_1:81,OP_2:82,OP_3:83,OP_4:84,OP_5:85,OP_6:86,OP_7:87,OP_8:88,OP_9:89,OP_10:90,OP_11:91,OP_12:92,OP_13:93,OP_14:94,OP_15:95,OP_16:96,OP_NOP:97,OP_VER:98,OP_IF:99,OP_NOTIF:100,OP_VERIF:101,OP_VERNOTIF:102,OP_ELSE:103,OP_ENDIF:104,OP_VERIFY:105,OP_RETURN:106,OP_TOALTSTACK:107,OP_FROMALTSTACK:108,OP_2DROP:109,OP_2DUP:110,OP_3DUP:111,OP_2OVER:112,OP_2ROT:113,OP_2SWAP:114,OP_IFDUP:115,OP_DEPTH:116,OP_DROP:117,OP_DUP:118,OP_NIP:119,OP_OVER:120,OP_PICK:121,OP_ROLL:122,OP_ROT:123,OP_SWAP:124,OP_TUCK:125,OP_CAT:126,OP_SUBSTR:127,OP_LEFT:128,OP_RIGHT:129,OP_SIZE:130,OP_INVERT:131,OP_AND:132,OP_OR:133,OP_XOR:134,OP_EQUAL:135,OP_EQUALVERIFY:136,OP_RESERVED1:137,OP_RESERVED2:138,OP_1ADD:139,OP_1SUB:140,OP_2MUL:141,OP_2DIV:142,OP_NEGATE:143,OP_ABS:144,OP_NOT:145,OP_0NOTEQUAL:146,OP_ADD:147,OP_SUB:148,OP_MUL:149,OP_DIV:150,OP_MOD:151,OP_LSHIFT:152,OP_RSHIFT:153,OP_BOOLAND:154,OP_BOOLOR:155,OP_NUMEQUAL:156,OP_NUMEQUALVERIFY:157,OP_NUMNOTEQUAL:158,OP_LESSTHAN:159,OP_GREATERTHAN:160,OP_LESSTHANOREQUAL:161,OP_GREATERTHANOREQUAL:162,OP_MIN:163,OP_MAX:164,OP_WITHIN:165,OP_RIPEMD160:166,OP_SHA1:167,OP_SHA256:168,OP_HASH160:169,OP_HASH256:170,OP_CODESEPARATOR:171,OP_CHECKSIG:172,OP_CHECKSIGVERIFY:173,OP_CHECKMULTISIG:174,OP_CHECKMULTISIGVERIFY:175,OP_CHECKLOCKTIMEVERIFY:177,OP_NOP1:176,OP_NOP2:177,OP_NOP3:178,OP_NOP4:179,OP_NOP5:180,OP_NOP6:181,OP_NOP7:182,OP_NOP8:183,OP_NOP9:184,OP_NOP10:185,OP_PUBKEYHASH:253,OP_PUBKEY:254,OP_INVALIDOPCODE:255},Opcode.reverseMap=[];for(var k in Opcode.map)Opcode.reverseMap[Opcode.map[k]]=k;_.extend(Opcode,Opcode.map),Opcode.isSmallIntOp=function(opcode){return opcode instanceof Opcode&&(opcode=opcode.toNumber()),opcode===Opcode.map.OP_0||opcode>=Opcode.map.OP_1&&opcode<=Opcode.map.OP_16},Opcode.prototype.inspect=function(){return"<Opcode: "+this.toString()+", hex: "+this.toHex()+", decimal: "+this.num+">"},module.exports=Opcode}).call(this,require("buffer").Buffer)},{"./util/buffer":267,"./util/js":268,"./util/preconditions":269,buffer:70,lodash:148}],248:[function(require,module,exports){(function(Buffer){"use strict";var _=require("lodash"),Address=require("./address"),Base58Check=require("./encoding/base58check"),BN=require("./crypto/bn"),JSUtil=require("./util/js"),Networks=require("./networks"),Point=require("./crypto/point"),PublicKey=require("./publickey"),Random=require("./crypto/random"),$=require("./util/preconditions");function PrivateKey(data,network){if(!(this instanceof PrivateKey))return new PrivateKey(data,network);if(data instanceof PrivateKey)return data;var info=this._classifyArguments(data,network);if(!info.bn||0===info.bn.cmp(new BN(0)))throw new TypeError("Number can not be equal to zero, undefined, null or false");if(!info.bn.lt(Point.getN()))throw new TypeError("Number must be less than N");if(void 0===info.network)throw new TypeError('Must specify the network ("livenet" or "testnet")');return JSUtil.defineImmutable(this,{bn:info.bn,compressed:info.compressed,network:info.network}),Object.defineProperty(this,"publicKey",{configurable:!1,enumerable:!0,get:this.toPublicKey.bind(this)}),this}PrivateKey.prototype._classifyArguments=function(data,network){var info={compressed:!0,network:network?Networks.get(network):Networks.defaultNetwork};if(_.isUndefined(data)||_.isNull(data))info.bn=PrivateKey._getRandomBN();else if(data instanceof BN)info.bn=data;else if(data instanceof Buffer||data instanceof Uint8Array)info=PrivateKey._transformBuffer(data,network);else if(data.bn&&data.network)info=PrivateKey._transformObject(data);else if(!network&&Networks.get(data))info.bn=PrivateKey._getRandomBN(),info.network=Networks.get(data);else{if("string"!=typeof data)throw new TypeError("First argument is an unrecognized data type.");JSUtil.isHexa(data)?info.bn=new BN(new Buffer(data,"hex")):info=PrivateKey._transformWIF(data,network)}return info},PrivateKey._getRandomBN=function(){var condition,bn;do{var privbuf=Random.getRandomBuffer(32);condition=(bn=BN.fromBuffer(privbuf)).lt(Point.getN())}while(!condition);return bn},PrivateKey._transformBuffer=function(buf,network){var info={};if(32===buf.length)return PrivateKey._transformBNBuffer(buf,network);if(info.network=Networks.get(buf[0],"privatekey"),!info.network)throw new Error("Invalid network");if(network&&info.network!==Networks.get(network))throw new TypeError("Private key network mismatch");if(34===buf.length&&1===buf[33])info.compressed=!0;else{if(33!==buf.length)throw new Error("Length of buffer must be 33 (uncompressed) or 34 (compressed)");info.compressed=!1}return info.bn=BN.fromBuffer(buf.slice(1,33)),info},PrivateKey._transformBNBuffer=function(buf,network){var info={};return info.network=Networks.get(network)||Networks.defaultNetwork,info.bn=BN.fromBuffer(buf),info.compressed=!1,info},PrivateKey._transformWIF=function(str,network){return PrivateKey._transformBuffer(Base58Check.decode(str),network)},PrivateKey.fromBuffer=function(arg,network){return new PrivateKey(arg,network)},PrivateKey._transformObject=function(json){return{bn:new BN(json.bn,"hex"),network:Networks.get(json.network),compressed:json.compressed}},PrivateKey.fromString=PrivateKey.fromWIF=function(str){return $.checkArgument(_.isString(str),"First argument is expected to be a string."),new PrivateKey(str)},PrivateKey.fromObject=function(obj){return $.checkArgument(_.isObject(obj),"First argument is expected to be an object."),new PrivateKey(obj)},PrivateKey.fromRandom=function(network){return new PrivateKey(PrivateKey._getRandomBN(),network)},PrivateKey.getValidationError=function(data,network){var error;try{new PrivateKey(data,network)}catch(e){error=e}return error},PrivateKey.isValid=function(data,network){return!!data&&!PrivateKey.getValidationError(data,network)},PrivateKey.prototype.toString=function(){return this.toBuffer().toString("hex")},PrivateKey.prototype.toWIF=function(){var buf,network=this.network;return buf=this.compressed?Buffer.concat([new Buffer([network.privatekey]),this.bn.toBuffer({size:32}),new Buffer([1])]):Buffer.concat([new Buffer([network.privatekey]),this.bn.toBuffer({size:32})]),Base58Check.encode(buf)},PrivateKey.prototype.toBigNumber=function(){return this.bn},PrivateKey.prototype.toBuffer=function(){return this.bn.toBuffer()},PrivateKey.prototype.toBufferNoPadding=function(){return this.bn.toBuffer()},PrivateKey.prototype.toPublicKey=function(){return this._pubkey||(this._pubkey=PublicKey.fromPrivateKey(this)),this._pubkey},PrivateKey.prototype.toAddress=function(network){var pubkey=this.toPublicKey();return Address.fromPublicKey(pubkey,network||this.network)},PrivateKey.prototype.toObject=PrivateKey.prototype.toJSON=function(){return{bn:this.bn.toString("hex"),compressed:this.compressed,network:this.network.toString()}},PrivateKey.prototype.inspect=function(){var uncompressed=this.compressed?"":", uncompressed";return"<PrivateKey: "+this.toString()+", network: "+this.network+uncompressed+">"},module.exports=PrivateKey}).call(this,require("buffer").Buffer)},{"./address":214,"./crypto/bn":220,"./crypto/point":223,"./crypto/random":224,"./encoding/base58check":227,"./networks":246,"./publickey":249,"./util/js":268,"./util/preconditions":269,buffer:70,lodash:148}],249:[function(require,module,exports){(function(Buffer){"use strict";var BN=require("./crypto/bn"),Point=require("./crypto/point"),Hash=require("./crypto/hash"),JSUtil=require("./util/js"),Network=require("./networks"),_=require("lodash"),$=require("./util/preconditions");function PublicKey(data,extra){if(!(this instanceof PublicKey))return new PublicKey(data,extra);if($.checkArgument(data,"First argument is required, please include public key data."),data instanceof PublicKey)return data;extra=extra||{};var info=this._classifyArgs(data,extra);return info.point.validate(),JSUtil.defineImmutable(this,{point:info.point,compressed:info.compressed,network:info.network||Network.defaultNetwork}),this}PublicKey.prototype._classifyArgs=function(data,extra){var info={compressed:_.isUndefined(extra.compressed)||extra.compressed};if(data instanceof Point)info.point=data;else if(data.x&&data.y)info=PublicKey._transformObject(data);else if("string"==typeof data)info=PublicKey._transformDER(new Buffer(data,"hex"));else if(PublicKey._isBuffer(data))info=PublicKey._transformDER(data);else{if(!PublicKey._isPrivateKey(data))throw new TypeError("First argument is an unrecognized data format.");info=PublicKey._transformPrivateKey(data)}return info.network||(info.network=_.isUndefined(extra.network)?void 0:Network.get(extra.network)),info},PublicKey._isPrivateKey=function(param){return param instanceof require("./privatekey")},PublicKey._isBuffer=function(param){return param instanceof Buffer||param instanceof Uint8Array},PublicKey._transformPrivateKey=function(privkey){$.checkArgument(PublicKey._isPrivateKey(privkey),"Must be an instance of PrivateKey");var info={};return info.point=Point.getG().mul(privkey.bn),info.compressed=privkey.compressed,info.network=privkey.network,info},PublicKey._transformDER=function(buf,strict){$.checkArgument(PublicKey._isBuffer(buf),"Must be a hex buffer of DER encoded public key");var info={};strict=!!_.isUndefined(strict)||strict;var x,y,xbuf,ybuf;if(4!==buf[0]&&(strict||6!==buf[0]&&7!==buf[0]))if(3===buf[0])xbuf=buf.slice(1),x=new BN(xbuf),(info=PublicKey._transformX(!0,x)).compressed=!0;else{if(2!==buf[0])throw new TypeError("Invalid DER format public key");xbuf=buf.slice(1),x=new BN(xbuf),(info=PublicKey._transformX(!1,x)).compressed=!0}else{if(xbuf=buf.slice(1,33),ybuf=buf.slice(33,65),32!==xbuf.length||32!==ybuf.length||65!==buf.length)throw new TypeError("Length of x and y must be 32 bytes");x=new BN(xbuf),y=new BN(ybuf),info.point=new Point(x,y),info.compressed=!1}return info},PublicKey._transformX=function(odd,x){$.checkArgument("boolean"==typeof odd,"Must specify whether y is odd or not (true or false)");var info={};return info.point=Point.fromX(odd,x),info},PublicKey._transformObject=function(json){var x=new BN(json.x,"hex"),y=new BN(json.y,"hex");return new PublicKey(new Point(x,y),{compressed:json.compressed})},PublicKey.fromPrivateKey=function(privkey){$.checkArgument(PublicKey._isPrivateKey(privkey),"Must be an instance of PrivateKey");var info=PublicKey._transformPrivateKey(privkey);return new PublicKey(info.point,{compressed:info.compressed,network:info.network})},PublicKey.fromDER=PublicKey.fromBuffer=function(buf,strict){$.checkArgument(PublicKey._isBuffer(buf),"Must be a hex buffer of DER encoded public key");var info=PublicKey._transformDER(buf,strict);return new PublicKey(info.point,{compressed:info.compressed})},PublicKey.fromPoint=function(point,compressed){return $.checkArgument(point instanceof Point,"First argument must be an instance of Point."),new PublicKey(point,{compressed:compressed})},PublicKey.fromString=function(str,encoding){var buf=new Buffer(str,encoding||"hex"),info=PublicKey._transformDER(buf);return new PublicKey(info.point,{compressed:info.compressed})},PublicKey.fromX=function(odd,x){var info=PublicKey._transformX(odd,x);return new PublicKey(info.point,{compressed:info.compressed})},PublicKey.getValidationError=function(data){var error;try{new PublicKey(data)}catch(e){error=e}return error},PublicKey.isValid=function(data){return!PublicKey.getValidationError(data)},PublicKey.prototype.toObject=PublicKey.prototype.toJSON=function(){return{x:this.point.getX().toString("hex",2),y:this.point.getY().toString("hex",2),compressed:this.compressed}},PublicKey.prototype.toBuffer=PublicKey.prototype.toDER=function(){var prefix,x=this.point.getX(),y=this.point.getY(),xbuf=x.toBuffer({size:32}),ybuf=y.toBuffer({size:32});if(this.compressed){var odd=ybuf[ybuf.length-1]%2;return prefix=new Buffer(odd?[3]:[2]),Buffer.concat([prefix,xbuf])}return prefix=new Buffer([4]),Buffer.concat([prefix,xbuf,ybuf])},PublicKey.prototype._getID=function(){return Hash.sha256ripemd160(this.toBuffer())},PublicKey.prototype.toAddress=function(network){return require("./address").fromPublicKey(this,network||this.network)},PublicKey.prototype.toString=function(){return this.toDER().toString("hex")},PublicKey.prototype.inspect=function(){return"<PublicKey: "+this.toString()+(this.compressed?"":", uncompressed")+">"},module.exports=PublicKey}).call(this,require("buffer").Buffer)},{"./address":214,"./crypto/bn":220,"./crypto/hash":222,"./crypto/point":223,"./networks":246,"./privatekey":248,"./util/js":268,"./util/preconditions":269,buffer:70,lodash:148}],250:[function(require,module,exports){module.exports=require("./script"),module.exports.Interpreter=require("./interpreter")},{"./interpreter":251,"./script":252}],251:[function(require,module,exports){(function(Buffer){"use strict";var _=require("lodash"),Script=require("./script"),Opcode=require("../opcode"),BN=require("../crypto/bn"),Hash=require("../crypto/hash"),Signature=require("../crypto/signature"),PublicKey=require("../publickey"),Interpreter=function Interpreter(obj){if(!(this instanceof Interpreter))return new Interpreter(obj);obj?(this.initialize(),this.set(obj)):this.initialize()};Interpreter.prototype.verify=function(scriptSig,scriptPubkey,tx,nin,flags){var Transaction=require("../transaction");_.isUndefined(tx)&&(tx=new Transaction),_.isUndefined(nin)&&(nin=0),_.isUndefined(flags)&&(flags=0),this.set({script:scriptSig,tx:tx,nin:nin,flags:flags});var stackCopy;if(0!=(flags&Interpreter.SCRIPT_VERIFY_SIGPUSHONLY)&&!scriptSig.isPushOnly())return this.errstr="SCRIPT_ERR_SIG_PUSHONLY",!1;if(!this.evaluate())return!1;flags&Interpreter.SCRIPT_VERIFY_P2SH&&(stackCopy=this.stack.slice());var stack=this.stack;if(this.initialize(),this.set({script:scriptPubkey,stack:stack,tx:tx,nin:nin,flags:flags}),!this.evaluate())return!1;if(0===this.stack.length)return this.errstr="SCRIPT_ERR_EVAL_FALSE_NO_RESULT",!1;var buf=this.stack[this.stack.length-1];if(!Interpreter.castToBool(buf))return this.errstr="SCRIPT_ERR_EVAL_FALSE_IN_STACK",!1;if(flags&Interpreter.SCRIPT_VERIFY_P2SH&&scriptPubkey.isScriptHashOut()){if(!scriptSig.isPushOnly())return this.errstr="SCRIPT_ERR_SIG_PUSHONLY",!1;if(0===stackCopy.length)throw new Error("internal error - stack copy empty");var redeemScriptSerialized=stackCopy[stackCopy.length-1],redeemScript=Script.fromBuffer(redeemScriptSerialized);return stackCopy.pop(),this.initialize(),this.set({script:redeemScript,stack:stackCopy,tx:tx,nin:nin,flags:flags}),!!this.evaluate()&&(0===stackCopy.length?(this.errstr="SCRIPT_ERR_EVAL_FALSE_NO_P2SH_STACK",!1):!!Interpreter.castToBool(stackCopy[stackCopy.length-1])||(this.errstr="SCRIPT_ERR_EVAL_FALSE_IN_P2SH_STACK",!1))}return!0},module.exports=Interpreter,Interpreter.prototype.initialize=function(obj){this.stack=[],this.altstack=[],this.pc=0,this.pbegincodehash=0,this.nOpCount=0,this.vfExec=[],this.errstr="",this.flags=0},Interpreter.prototype.set=function(obj){this.script=obj.script||this.script,this.tx=obj.tx||this.tx,this.nin=void 0!==obj.nin?obj.nin:this.nin,this.stack=obj.stack||this.stack,this.altstack=obj.altack||this.altstack,this.pc=void 0!==obj.pc?obj.pc:this.pc,this.pbegincodehash=void 0!==obj.pbegincodehash?obj.pbegincodehash:this.pbegincodehash,this.nOpCount=void 0!==obj.nOpCount?obj.nOpCount:this.nOpCount,this.vfExec=obj.vfExec||this.vfExec,this.errstr=obj.errstr||this.errstr,this.flags=void 0!==obj.flags?obj.flags:this.flags},Interpreter.true=new Buffer([1]),Interpreter.false=new Buffer([]),Interpreter.MAX_SCRIPT_ELEMENT_SIZE=520,Interpreter.LOCKTIME_THRESHOLD_BN=new BN(Interpreter.LOCKTIME_THRESHOLD=5e8),Interpreter.SCRIPT_VERIFY_NONE=0,Interpreter.SCRIPT_VERIFY_P2SH=1,Interpreter.SCRIPT_VERIFY_STRICTENC=2,Interpreter.SCRIPT_VERIFY_DERSIG=4,Interpreter.SCRIPT_VERIFY_LOW_S=8,Interpreter.SCRIPT_VERIFY_NULLDUMMY=16,Interpreter.SCRIPT_VERIFY_SIGPUSHONLY=32,Interpreter.SCRIPT_VERIFY_MINIMALDATA=64,Interpreter.SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_NOPS=128,Interpreter.SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY=512,Interpreter.castToBool=function(buf){for(var i=0;i<buf.length;i++)if(0!==buf[i])return i!==buf.length-1||128!==buf[i];return!1},Interpreter.prototype.checkSignatureEncoding=function(buf){if(0!=(this.flags&(Interpreter.SCRIPT_VERIFY_DERSIG|Interpreter.SCRIPT_VERIFY_LOW_S|Interpreter.SCRIPT_VERIFY_STRICTENC))&&!Signature.isTxDER(buf))return this.errstr="SCRIPT_ERR_SIG_DER_INVALID_FORMAT",!1;if(0!=(this.flags&Interpreter.SCRIPT_VERIFY_LOW_S)){if(!Signature.fromTxFormat(buf).hasLowS())return this.errstr="SCRIPT_ERR_SIG_DER_HIGH_S",!1}else if(0!=(this.flags&Interpreter.SCRIPT_VERIFY_STRICTENC)&&!Signature.fromTxFormat(buf).hasDefinedHashtype())return this.errstr="SCRIPT_ERR_SIG_HASHTYPE",!1;return!0},Interpreter.prototype.checkPubkeyEncoding=function(buf){return!(0!=(this.flags&Interpreter.SCRIPT_VERIFY_STRICTENC)&&!PublicKey.isValid(buf))||(this.errstr="SCRIPT_ERR_PUBKEYTYPE",!1)},Interpreter.prototype.evaluate=function(){if(this.script.toBuffer().length>1e4)return this.errstr="SCRIPT_ERR_SCRIPT_SIZE",!1;try{for(;this.pc<this.script.chunks.length;){if(!this.step())return!1}if(this.stack.length+this.altstack.length>1e3)return this.errstr="SCRIPT_ERR_STACK_SIZE",!1}catch(e){return this.errstr="SCRIPT_ERR_UNKNOWN_ERROR: "+e,!1}return!(this.vfExec.length>0)||(this.errstr="SCRIPT_ERR_UNBALANCED_CONDITIONAL",!1)},Interpreter.prototype.checkLockTime=function(nLockTime){return!!(this.tx.nLockTime<Interpreter.LOCKTIME_THRESHOLD&&nLockTime.lt(Interpreter.LOCKTIME_THRESHOLD_BN)||this.tx.nLockTime>=Interpreter.LOCKTIME_THRESHOLD&&nLockTime.gte(Interpreter.LOCKTIME_THRESHOLD_BN))&&(!nLockTime.gt(new BN(this.tx.nLockTime))&&!!this.tx.inputs[this.nin].isFinal())},Interpreter.prototype.step=function(){var buf,buf1,buf2,spliced,n,x1,x2,bn,bn1,bn2,bufSig,bufPubkey,subscript,sig,pubkey,fValue,fSuccess,fRequireMinimal=0!=(this.flags&Interpreter.SCRIPT_VERIFY_MINIMALDATA),fExec=-1===this.vfExec.indexOf(!1),chunk=this.script.chunks[this.pc];this.pc++;var opcodenum=chunk.opcodenum;if(_.isUndefined(opcodenum))return this.errstr="SCRIPT_ERR_UNDEFINED_OPCODE",!1;if(chunk.buf&&chunk.buf.length>Interpreter.MAX_SCRIPT_ELEMENT_SIZE)return this.errstr="SCRIPT_ERR_PUSH_SIZE",!1;if(opcodenum>Opcode.OP_16&&++this.nOpCount>201)return this.errstr="SCRIPT_ERR_OP_COUNT",!1;if(opcodenum===Opcode.OP_CAT||opcodenum===Opcode.OP_SUBSTR||opcodenum===Opcode.OP_LEFT||opcodenum===Opcode.OP_RIGHT||opcodenum===Opcode.OP_INVERT||opcodenum===Opcode.OP_AND||opcodenum===Opcode.OP_OR||opcodenum===Opcode.OP_XOR||opcodenum===Opcode.OP_2MUL||opcodenum===Opcode.OP_2DIV||opcodenum===Opcode.OP_MUL||opcodenum===Opcode.OP_DIV||opcodenum===Opcode.OP_MOD||opcodenum===Opcode.OP_LSHIFT||opcodenum===Opcode.OP_RSHIFT)return this.errstr="SCRIPT_ERR_DISABLED_OPCODE",!1;if(fExec&&0<=opcodenum&&opcodenum<=Opcode.OP_PUSHDATA4){if(fRequireMinimal&&!this.script.checkMinimalPush(this.pc-1))return this.errstr="SCRIPT_ERR_MINIMALDATA",!1;if(chunk.buf){if(chunk.len!==chunk.buf.length)throw new Error("Length of push value not equal to length of data");this.stack.push(chunk.buf)}else this.stack.push(Interpreter.false)}else if(fExec||Opcode.OP_IF<=opcodenum&&opcodenum<=Opcode.OP_ENDIF)switch(opcodenum){case Opcode.OP_1NEGATE:case Opcode.OP_1:case Opcode.OP_2:case Opcode.OP_3:case Opcode.OP_4:case Opcode.OP_5:case Opcode.OP_6:case Opcode.OP_7:case Opcode.OP_8:case Opcode.OP_9:case Opcode.OP_10:case Opcode.OP_11:case Opcode.OP_12:case Opcode.OP_13:case Opcode.OP_14:case Opcode.OP_15:case Opcode.OP_16:n=opcodenum-(Opcode.OP_1-1),buf=new BN(n).toScriptNumBuffer(),this.stack.push(buf);break;case Opcode.OP_NOP:break;case Opcode.OP_NOP2:case Opcode.OP_CHECKLOCKTIMEVERIFY:if(!(this.flags&Interpreter.SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY)){if(this.flags&Interpreter.SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_NOPS)return this.errstr="SCRIPT_ERR_DISCOURAGE_UPGRADABLE_NOPS",!1;break}if(this.stack.length<1)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;var nLockTime=BN.fromScriptNumBuffer(this.stack[this.stack.length-1],fRequireMinimal,5);if(nLockTime.lt(new BN(0)))return this.errstr="SCRIPT_ERR_NEGATIVE_LOCKTIME",!1;if(!this.checkLockTime(nLockTime))return this.errstr="SCRIPT_ERR_UNSATISFIED_LOCKTIME",!1;break;case Opcode.OP_NOP1:case Opcode.OP_NOP3:case Opcode.OP_NOP4:case Opcode.OP_NOP5:case Opcode.OP_NOP6:case Opcode.OP_NOP7:case Opcode.OP_NOP8:case Opcode.OP_NOP9:case Opcode.OP_NOP10:if(this.flags&Interpreter.SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_NOPS)return this.errstr="SCRIPT_ERR_DISCOURAGE_UPGRADABLE_NOPS",!1;break;case Opcode.OP_IF:case Opcode.OP_NOTIF:if(fValue=!1,fExec){if(this.stack.length<1)return this.errstr="SCRIPT_ERR_UNBALANCED_CONDITIONAL",!1;buf=this.stack.pop(),fValue=Interpreter.castToBool(buf),opcodenum===Opcode.OP_NOTIF&&(fValue=!fValue)}this.vfExec.push(fValue);break;case Opcode.OP_ELSE:if(0===this.vfExec.length)return this.errstr="SCRIPT_ERR_UNBALANCED_CONDITIONAL",!1;this.vfExec[this.vfExec.length-1]=!this.vfExec[this.vfExec.length-1];break;case Opcode.OP_ENDIF:if(0===this.vfExec.length)return this.errstr="SCRIPT_ERR_UNBALANCED_CONDITIONAL",!1;this.vfExec.pop();break;case Opcode.OP_VERIFY:if(this.stack.length<1)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;if(buf=this.stack[this.stack.length-1],!(fValue=Interpreter.castToBool(buf)))return this.errstr="SCRIPT_ERR_VERIFY",!1;this.stack.pop();break;case Opcode.OP_RETURN:return this.errstr="SCRIPT_ERR_OP_RETURN",!1;case Opcode.OP_TOALTSTACK:if(this.stack.length<1)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;this.altstack.push(this.stack.pop());break;case Opcode.OP_FROMALTSTACK:if(this.altstack.length<1)return this.errstr="SCRIPT_ERR_INVALID_ALTSTACK_OPERATION",!1;this.stack.push(this.altstack.pop());break;case Opcode.OP_2DROP:if(this.stack.length<2)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;this.stack.pop(),this.stack.pop();break;case Opcode.OP_2DUP:if(this.stack.length<2)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;buf1=this.stack[this.stack.length-2],buf2=this.stack[this.stack.length-1],this.stack.push(buf1),this.stack.push(buf2);break;case Opcode.OP_3DUP:if(this.stack.length<3)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;buf1=this.stack[this.stack.length-3],buf2=this.stack[this.stack.length-2];var buf3=this.stack[this.stack.length-1];this.stack.push(buf1),this.stack.push(buf2),this.stack.push(buf3);break;case Opcode.OP_2OVER:if(this.stack.length<4)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;buf1=this.stack[this.stack.length-4],buf2=this.stack[this.stack.length-3],this.stack.push(buf1),this.stack.push(buf2);break;case Opcode.OP_2ROT:if(this.stack.length<6)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;spliced=this.stack.splice(this.stack.length-6,2),this.stack.push(spliced[0]),this.stack.push(spliced[1]);break;case Opcode.OP_2SWAP:if(this.stack.length<4)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;spliced=this.stack.splice(this.stack.length-4,2),this.stack.push(spliced[0]),this.stack.push(spliced[1]);break;case Opcode.OP_IFDUP:if(this.stack.length<1)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;buf=this.stack[this.stack.length-1],(fValue=Interpreter.castToBool(buf))&&this.stack.push(buf);break;case Opcode.OP_DEPTH:buf=new BN(this.stack.length).toScriptNumBuffer(),this.stack.push(buf);break;case Opcode.OP_DROP:if(this.stack.length<1)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;this.stack.pop();break;case Opcode.OP_DUP:if(this.stack.length<1)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;this.stack.push(this.stack[this.stack.length-1]);break;case Opcode.OP_NIP:if(this.stack.length<2)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;this.stack.splice(this.stack.length-2,1);break;case Opcode.OP_OVER:if(this.stack.length<2)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;this.stack.push(this.stack[this.stack.length-2]);break;case Opcode.OP_PICK:case Opcode.OP_ROLL:if(this.stack.length<2)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;if(buf=this.stack[this.stack.length-1],n=(bn=BN.fromScriptNumBuffer(buf,fRequireMinimal)).toNumber(),this.stack.pop(),n<0||n>=this.stack.length)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;buf=this.stack[this.stack.length-n-1],opcodenum===Opcode.OP_ROLL&&this.stack.splice(this.stack.length-n-1,1),this.stack.push(buf);break;case Opcode.OP_ROT:if(this.stack.length<3)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;x1=this.stack[this.stack.length-3],x2=this.stack[this.stack.length-2];var x3=this.stack[this.stack.length-1];this.stack[this.stack.length-3]=x2,this.stack[this.stack.length-2]=x3,this.stack[this.stack.length-1]=x1;break;case Opcode.OP_SWAP:if(this.stack.length<2)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;x1=this.stack[this.stack.length-2],x2=this.stack[this.stack.length-1],this.stack[this.stack.length-2]=x2,this.stack[this.stack.length-1]=x1;break;case Opcode.OP_TUCK:if(this.stack.length<2)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;this.stack.splice(this.stack.length-2,0,this.stack[this.stack.length-1]);break;case Opcode.OP_SIZE:if(this.stack.length<1)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;bn=new BN(this.stack[this.stack.length-1].length),this.stack.push(bn.toScriptNumBuffer());break;case Opcode.OP_EQUAL:case Opcode.OP_EQUALVERIFY:if(this.stack.length<2)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;buf1=this.stack[this.stack.length-2],buf2=this.stack[this.stack.length-1];var fEqual=buf1.toString("hex")===buf2.toString("hex");if(this.stack.pop(),this.stack.pop(),this.stack.push(fEqual?Interpreter.true:Interpreter.false),opcodenum===Opcode.OP_EQUALVERIFY){if(!fEqual)return this.errstr="SCRIPT_ERR_EQUALVERIFY",!1;this.stack.pop()}break;case Opcode.OP_1ADD:case Opcode.OP_1SUB:case Opcode.OP_NEGATE:case Opcode.OP_ABS:case Opcode.OP_NOT:case Opcode.OP_0NOTEQUAL:if(this.stack.length<1)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;switch(buf=this.stack[this.stack.length-1],bn=BN.fromScriptNumBuffer(buf,fRequireMinimal),opcodenum){case Opcode.OP_1ADD:bn=bn.add(BN.One);break;case Opcode.OP_1SUB:bn=bn.sub(BN.One);break;case Opcode.OP_NEGATE:bn=bn.neg();break;case Opcode.OP_ABS:bn.cmp(BN.Zero)<0&&(bn=bn.neg());break;case Opcode.OP_NOT:bn=new BN((0===bn.cmp(BN.Zero))+0);break;case Opcode.OP_0NOTEQUAL:bn=new BN((0!==bn.cmp(BN.Zero))+0)}this.stack.pop(),this.stack.push(bn.toScriptNumBuffer());break;case Opcode.OP_ADD:case Opcode.OP_SUB:case Opcode.OP_BOOLAND:case Opcode.OP_BOOLOR:case Opcode.OP_NUMEQUAL:case Opcode.OP_NUMEQUALVERIFY:case Opcode.OP_NUMNOTEQUAL:case Opcode.OP_LESSTHAN:case Opcode.OP_GREATERTHAN:case Opcode.OP_LESSTHANOREQUAL:case Opcode.OP_GREATERTHANOREQUAL:case Opcode.OP_MIN:case Opcode.OP_MAX:if(this.stack.length<2)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;switch(bn1=BN.fromScriptNumBuffer(this.stack[this.stack.length-2],fRequireMinimal),bn2=BN.fromScriptNumBuffer(this.stack[this.stack.length-1],fRequireMinimal),bn=new BN(0),opcodenum){case Opcode.OP_ADD:bn=bn1.add(bn2);break;case Opcode.OP_SUB:bn=bn1.sub(bn2);break;case Opcode.OP_BOOLAND:bn=new BN((0!==bn1.cmp(BN.Zero)&&0!==bn2.cmp(BN.Zero))+0);break;case Opcode.OP_BOOLOR:bn=new BN((0!==bn1.cmp(BN.Zero)||0!==bn2.cmp(BN.Zero))+0);break;case Opcode.OP_NUMEQUAL:case Opcode.OP_NUMEQUALVERIFY:bn=new BN((0===bn1.cmp(bn2))+0);break;case Opcode.OP_NUMNOTEQUAL:bn=new BN((0!==bn1.cmp(bn2))+0);break;case Opcode.OP_LESSTHAN:bn=new BN((bn1.cmp(bn2)<0)+0);break;case Opcode.OP_GREATERTHAN:bn=new BN((bn1.cmp(bn2)>0)+0);break;case Opcode.OP_LESSTHANOREQUAL:bn=new BN((bn1.cmp(bn2)<=0)+0);break;case Opcode.OP_GREATERTHANOREQUAL:bn=new BN((bn1.cmp(bn2)>=0)+0);break;case Opcode.OP_MIN:bn=bn1.cmp(bn2)<0?bn1:bn2;break;case Opcode.OP_MAX:bn=bn1.cmp(bn2)>0?bn1:bn2}if(this.stack.pop(),this.stack.pop(),this.stack.push(bn.toScriptNumBuffer()),opcodenum===Opcode.OP_NUMEQUALVERIFY){if(!Interpreter.castToBool(this.stack[this.stack.length-1]))return this.errstr="SCRIPT_ERR_NUMEQUALVERIFY",!1;this.stack.pop()}break;case Opcode.OP_WITHIN:if(this.stack.length<3)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;bn1=BN.fromScriptNumBuffer(this.stack[this.stack.length-3],fRequireMinimal),bn2=BN.fromScriptNumBuffer(this.stack[this.stack.length-2],fRequireMinimal);var bn3=BN.fromScriptNumBuffer(this.stack[this.stack.length-1],fRequireMinimal);fValue=bn2.cmp(bn1)<=0&&bn1.cmp(bn3)<0,this.stack.pop(),this.stack.pop(),this.stack.pop(),this.stack.push(fValue?Interpreter.true:Interpreter.false);break;case Opcode.OP_RIPEMD160:case Opcode.OP_SHA1:case Opcode.OP_SHA256:case Opcode.OP_HASH160:case Opcode.OP_HASH256:if(this.stack.length<1)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;buf=this.stack[this.stack.length-1];var bufHash;opcodenum===Opcode.OP_RIPEMD160?bufHash=Hash.ripemd160(buf):opcodenum===Opcode.OP_SHA1?bufHash=Hash.sha1(buf):opcodenum===Opcode.OP_SHA256?bufHash=Hash.sha256(buf):opcodenum===Opcode.OP_HASH160?bufHash=Hash.sha256ripemd160(buf):opcodenum===Opcode.OP_HASH256&&(bufHash=Hash.sha256sha256(buf)),this.stack.pop(),this.stack.push(bufHash);break;case Opcode.OP_CODESEPARATOR:this.pbegincodehash=this.pc;break;case Opcode.OP_CHECKSIG:case Opcode.OP_CHECKSIGVERIFY:if(this.stack.length<2)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;bufSig=this.stack[this.stack.length-2],bufPubkey=this.stack[this.stack.length-1],subscript=(new Script).set({chunks:this.script.chunks.slice(this.pbegincodehash)});var tmpScript=(new Script).add(bufSig);if(subscript.findAndDelete(tmpScript),!this.checkSignatureEncoding(bufSig)||!this.checkPubkeyEncoding(bufPubkey))return!1;try{sig=Signature.fromTxFormat(bufSig),pubkey=PublicKey.fromBuffer(bufPubkey,!1),fSuccess=this.tx.verifySignature(sig,pubkey,this.nin,subscript)}catch(e){fSuccess=!1}if(this.stack.pop(),this.stack.pop(),this.stack.push(fSuccess?Interpreter.true:Interpreter.false),opcodenum===Opcode.OP_CHECKSIGVERIFY){if(!fSuccess)return this.errstr="SCRIPT_ERR_CHECKSIGVERIFY",!1;this.stack.pop()}break;case Opcode.OP_CHECKMULTISIG:case Opcode.OP_CHECKMULTISIGVERIFY:var i=1;if(this.stack.length<i)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;var nKeysCount=BN.fromScriptNumBuffer(this.stack[this.stack.length-i],fRequireMinimal).toNumber();if(nKeysCount<0||nKeysCount>20)return this.errstr="SCRIPT_ERR_PUBKEY_COUNT",!1;if(this.nOpCount+=nKeysCount,this.nOpCount>201)return this.errstr="SCRIPT_ERR_OP_COUNT",!1;var ikey=++i;if(i+=nKeysCount,this.stack.length<i)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;var nSigsCount=BN.fromScriptNumBuffer(this.stack[this.stack.length-i],fRequireMinimal).toNumber();if(nSigsCount<0||nSigsCount>nKeysCount)return this.errstr="SCRIPT_ERR_SIG_COUNT",!1;var isig=++i;if(i+=nSigsCount,this.stack.length<i)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;subscript=(new Script).set({chunks:this.script.chunks.slice(this.pbegincodehash)});for(var k=0;k<nSigsCount;k++)bufSig=this.stack[this.stack.length-isig-k],subscript.findAndDelete((new Script).add(bufSig));for(fSuccess=!0;fSuccess&&nSigsCount>0;){if(bufSig=this.stack[this.stack.length-isig],bufPubkey=this.stack[this.stack.length-ikey],!this.checkSignatureEncoding(bufSig)||!this.checkPubkeyEncoding(bufPubkey))return!1;var fOk;try{sig=Signature.fromTxFormat(bufSig),pubkey=PublicKey.fromBuffer(bufPubkey,!1),fOk=this.tx.verifySignature(sig,pubkey,this.nin,subscript)}catch(e){fOk=!1}fOk&&(isig++,nSigsCount--),ikey++,nSigsCount>--nKeysCount&&(fSuccess=!1)}for(;i-- >1;)this.stack.pop();if(this.stack.length<1)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;if(this.flags&Interpreter.SCRIPT_VERIFY_NULLDUMMY&&this.stack[this.stack.length-1].length)return this.errstr="SCRIPT_ERR_SIG_NULLDUMMY",!1;if(this.stack.pop(),this.stack.push(fSuccess?Interpreter.true:Interpreter.false),opcodenum===Opcode.OP_CHECKMULTISIGVERIFY){if(!fSuccess)return this.errstr="SCRIPT_ERR_CHECKMULTISIGVERIFY",!1;this.stack.pop()}break;default:return this.errstr="SCRIPT_ERR_BAD_OPCODE",!1}return!0}}).call(this,require("buffer").Buffer)},{"../crypto/bn":220,"../crypto/hash":222,"../crypto/signature":225,"../opcode":247,"../publickey":249,"../transaction":253,"./script":252,buffer:70,lodash:148}],252:[function(require,module,exports){(function(Buffer){"use strict";var Address=require("../address"),BufferReader=require("../encoding/bufferreader"),BufferWriter=require("../encoding/bufferwriter"),Hash=require("../crypto/hash"),Opcode=require("../opcode"),PublicKey=require("../publickey"),Signature=require("../crypto/signature"),Networks=require("../networks"),$=require("../util/preconditions"),_=require("lodash"),errors=require("../errors"),buffer=require("buffer"),BufferUtil=require("../util/buffer"),JSUtil=require("../util/js"),Script=function Script(from){return this instanceof Script?(this.chunks=[],BufferUtil.isBuffer(from)?Script.fromBuffer(from):from instanceof Address?Script.fromAddress(from):from instanceof Script?Script.fromBuffer(from.toBuffer()):"string"==typeof from?Script.fromString(from):void(void 0!==from&&this.set(from))):new Script(from)};Script.prototype.set=function(obj){return this.chunks=obj.chunks||this.chunks,this},Script.fromBuffer=function(buffer){var script=new Script;script.chunks=[];for(var br=new BufferReader(buffer);!br.finished();)try{var len,buf,opcodenum=br.readUInt8();opcodenum>0&&opcodenum<Opcode.OP_PUSHDATA1?(len=opcodenum,script.chunks.push({buf:br.read(len),len:len,opcodenum:opcodenum})):opcodenum===Opcode.OP_PUSHDATA1?(len=br.readUInt8(),buf=br.read(len),script.chunks.push({buf:buf,len:len,opcodenum:opcodenum})):opcodenum===Opcode.OP_PUSHDATA2?(len=br.readUInt16LE(),buf=br.read(len),script.chunks.push({buf:buf,len:len,opcodenum:opcodenum})):opcodenum===Opcode.OP_PUSHDATA4?(len=br.readUInt32LE(),buf=br.read(len),script.chunks.push({buf:buf,len:len,opcodenum:opcodenum})):script.chunks.push({opcodenum:opcodenum})}catch(e){if(e instanceof RangeError)throw new errors.Script.InvalidBuffer(buffer.toString("hex"));throw e}return script},Script.prototype.toBuffer=function(){for(var bw=new BufferWriter,i=0;i<this.chunks.length;i++){var chunk=this.chunks[i],opcodenum=chunk.opcodenum;bw.writeUInt8(chunk.opcodenum),chunk.buf&&(opcodenum<Opcode.OP_PUSHDATA1?bw.write(chunk.buf):opcodenum===Opcode.OP_PUSHDATA1?(bw.writeUInt8(chunk.len),bw.write(chunk.buf)):opcodenum===Opcode.OP_PUSHDATA2?(bw.writeUInt16LE(chunk.len),bw.write(chunk.buf)):opcodenum===Opcode.OP_PUSHDATA4&&(bw.writeUInt32LE(chunk.len),bw.write(chunk.buf)))}return bw.concat()},Script.fromASM=function(str){var script=new Script;script.chunks=[];for(var tokens=str.split(" "),i=0;i<tokens.length;){var token=tokens[i],opcodenum=Opcode(token).toNumber();if(_.isUndefined(opcodenum)){var buf=new Buffer(tokens[i],"hex");script.chunks.push({buf:buf,len:buf.length,opcodenum:buf.length}),i+=1}else opcodenum===Opcode.OP_PUSHDATA1||opcodenum===Opcode.OP_PUSHDATA2||opcodenum===Opcode.OP_PUSHDATA4?(script.chunks.push({buf:new Buffer(tokens[i+2],"hex"),len:parseInt(tokens[i+1]),opcodenum:opcodenum}),i+=3):(script.chunks.push({opcodenum:opcodenum}),i+=1)}return script},Script.fromHex=function(str){return new Script(new buffer.Buffer(str,"hex"))},Script.fromString=function(str){if(JSUtil.isHexa(str)||0===str.length)return new Script(new buffer.Buffer(str,"hex"));var script=new Script;script.chunks=[];for(var tokens=str.split(" "),i=0;i<tokens.length;){var token=tokens[i],opcodenum=Opcode(token).toNumber();if(_.isUndefined(opcodenum)){if(!((opcodenum=parseInt(token))>0&&opcodenum<Opcode.OP_PUSHDATA1))throw new Error("Invalid script: "+JSON.stringify(str));script.chunks.push({buf:new Buffer(tokens[i+1].slice(2),"hex"),len:opcodenum,opcodenum:opcodenum}),i+=2}else if(opcodenum===Opcode.OP_PUSHDATA1||opcodenum===Opcode.OP_PUSHDATA2||opcodenum===Opcode.OP_PUSHDATA4){if("0x"!==tokens[i+2].slice(0,2))throw new Error("Pushdata data must start with 0x");script.chunks.push({buf:new Buffer(tokens[i+2].slice(2),"hex"),len:parseInt(tokens[i+1]),opcodenum:opcodenum}),i+=3}else script.chunks.push({opcodenum:opcodenum}),i+=1}return script},Script.prototype._chunkToString=function(chunk,type){var opcodenum=chunk.opcodenum,asm="asm"===type,str="";if(chunk.buf)opcodenum!==Opcode.OP_PUSHDATA1&&opcodenum!==Opcode.OP_PUSHDATA2&&opcodenum!==Opcode.OP_PUSHDATA4||(str=str+" "+Opcode(opcodenum).toString()),chunk.len>0&&(str=asm?str+" "+chunk.buf.toString("hex"):str+" "+chunk.len+" 0x"+chunk.buf.toString("hex"));else if(void 0!==Opcode.reverseMap[opcodenum])str=str+" "+Opcode(opcodenum).toString();else{var numstr=opcodenum.toString(16);numstr.length%2!=0&&(numstr="0"+numstr),str=asm?str+" "+numstr:str+" 0x"+numstr}return str},Script.prototype.toASM=function(){for(var str="",i=0;i<this.chunks.length;i++){var chunk=this.chunks[i];str+=this._chunkToString(chunk,"asm")}return str.substr(1)},Script.prototype.toString=function(){for(var str="",i=0;i<this.chunks.length;i++){var chunk=this.chunks[i];str+=this._chunkToString(chunk)}return str.substr(1)},Script.prototype.toHex=function(){return this.toBuffer().toString("hex")},Script.prototype.inspect=function(){return"<Script: "+this.toString()+">"},Script.prototype.isPublicKeyHashOut=function(){return!(5!==this.chunks.length||this.chunks[0].opcodenum!==Opcode.OP_DUP||this.chunks[1].opcodenum!==Opcode.OP_HASH160||!this.chunks[2].buf||20!==this.chunks[2].buf.length||this.chunks[3].opcodenum!==Opcode.OP_EQUALVERIFY||this.chunks[4].opcodenum!==Opcode.OP_CHECKSIG)},Script.prototype.isPublicKeyHashIn=function(){if(2===this.chunks.length){var signatureBuf=this.chunks[0].buf,pubkeyBuf=this.chunks[1].buf;if(signatureBuf&&signatureBuf.length&&48===signatureBuf[0]&&pubkeyBuf&&pubkeyBuf.length){var version=pubkeyBuf[0];if((4===version||6===version||7===version)&&65===pubkeyBuf.length)return!0;if((3===version||2===version)&&33===pubkeyBuf.length)return!0}}return!1},Script.prototype.getPublicKey=function(){return $.checkState(this.isPublicKeyOut(),"Can't retrieve PublicKey from a non-PK output"),this.chunks[0].buf},Script.prototype.getPublicKeyHash=function(){return $.checkState(this.isPublicKeyHashOut(),"Can't retrieve PublicKeyHash from a non-PKH output"),this.chunks[2].buf},Script.prototype.isPublicKeyOut=function(){if(2===this.chunks.length&&this.chunks[0].buf&&this.chunks[0].buf.length&&this.chunks[1].opcodenum===Opcode.OP_CHECKSIG){var pubkeyBuf=this.chunks[0].buf,version=pubkeyBuf[0],isVersion=!1;if(4!==version&&6!==version&&7!==version||65!==pubkeyBuf.length?3!==version&&2!==version||33!==pubkeyBuf.length||(isVersion=!0):isVersion=!0,isVersion)return PublicKey.isValid(pubkeyBuf)}return!1},Script.prototype.isPublicKeyIn=function(){if(1===this.chunks.length){var signatureBuf=this.chunks[0].buf;if(signatureBuf&&signatureBuf.length&&48===signatureBuf[0])return!0}return!1},Script.prototype.isScriptHashOut=function(){var buf=this.toBuffer();return 23===buf.length&&buf[0]===Opcode.OP_HASH160&&20===buf[1]&&buf[buf.length-1]===Opcode.OP_EQUAL},Script.prototype.isScriptHashIn=function(){if(this.chunks.length<=1)return!1;var redeemBuf=this.chunks[this.chunks.length-1].buf;if(!redeemBuf)return!1;var redeemScript;try{redeemScript=Script.fromBuffer(redeemBuf)}catch(e){if(e instanceof errors.Script.InvalidBuffer)return!1;throw e}return redeemScript.classify()!==Script.types.UNKNOWN},Script.prototype.isMultisigOut=function(){return this.chunks.length>3&&Opcode.isSmallIntOp(this.chunks[0].opcodenum)&&this.chunks.slice(1,this.chunks.length-2).every(function(obj){return obj.buf&&BufferUtil.isBuffer(obj.buf)})&&Opcode.isSmallIntOp(this.chunks[this.chunks.length-2].opcodenum)&&this.chunks[this.chunks.length-1].opcodenum===Opcode.OP_CHECKMULTISIG},Script.prototype.isMultisigIn=function(){return this.chunks.length>=2&&0===this.chunks[0].opcodenum&&this.chunks.slice(1,this.chunks.length).every(function(obj){return obj.buf&&BufferUtil.isBuffer(obj.buf)&&Signature.isTxDER(obj.buf)})},Script.prototype.isDataOut=function(){return this.chunks.length>=1&&this.chunks[0].opcodenum===Opcode.OP_RETURN&&(1===this.chunks.length||2===this.chunks.length&&this.chunks[1].buf&&this.chunks[1].buf.length<=Script.OP_RETURN_STANDARD_SIZE&&this.chunks[1].length===this.chunks.len)},Script.prototype.getData=function(){if(this.isDataOut()||this.isScriptHashOut())return _.isUndefined(this.chunks[1])?new Buffer(0):new Buffer(this.chunks[1].buf);if(this.isPublicKeyHashOut())return new Buffer(this.chunks[2].buf);throw new Error("Unrecognized script type to get data from")},Script.prototype.isPushOnly=function(){return _.every(this.chunks,function(chunk){return chunk.opcodenum<=Opcode.OP_16})},(Script.types={}).UNKNOWN="Unknown",Script.types.PUBKEY_OUT="Pay to public key",Script.types.PUBKEY_IN="Spend from public key",Script.types.PUBKEYHASH_OUT="Pay to public key hash",Script.types.PUBKEYHASH_IN="Spend from public key hash",Script.types.SCRIPTHASH_OUT="Pay to script hash",Script.types.SCRIPTHASH_IN="Spend from script hash",Script.types.MULTISIG_OUT="Pay to multisig",Script.types.MULTISIG_IN="Spend from multisig",Script.types.DATA_OUT="Data push",Script.OP_RETURN_STANDARD_SIZE=80,Script.prototype.classify=function(){if(this._isInput)return this.classifyInput();if(this._isOutput)return this.classifyOutput();var outputType=this.classifyOutput();return outputType!=Script.types.UNKNOWN?outputType:this.classifyInput()},(Script.outputIdentifiers={}).PUBKEY_OUT=Script.prototype.isPublicKeyOut,Script.outputIdentifiers.PUBKEYHASH_OUT=Script.prototype.isPublicKeyHashOut,Script.outputIdentifiers.MULTISIG_OUT=Script.prototype.isMultisigOut,Script.outputIdentifiers.SCRIPTHASH_OUT=Script.prototype.isScriptHashOut,Script.outputIdentifiers.DATA_OUT=Script.prototype.isDataOut,Script.prototype.classifyOutput=function(){for(var type in Script.outputIdentifiers)if(Script.outputIdentifiers[type].bind(this)())return Script.types[type];return Script.types.UNKNOWN},(Script.inputIdentifiers={}).PUBKEY_IN=Script.prototype.isPublicKeyIn,Script.inputIdentifiers.PUBKEYHASH_IN=Script.prototype.isPublicKeyHashIn,Script.inputIdentifiers.MULTISIG_IN=Script.prototype.isMultisigIn,Script.inputIdentifiers.SCRIPTHASH_IN=Script.prototype.isScriptHashIn,Script.prototype.classifyInput=function(){for(var type in Script.inputIdentifiers)if(Script.inputIdentifiers[type].bind(this)())return Script.types[type];return Script.types.UNKNOWN},Script.prototype.isStandard=function(){return this.classify()!==Script.types.UNKNOWN},Script.prototype.prepend=function(obj){return this._addByType(obj,!0),this},Script.prototype.equals=function(script){if($.checkState(script instanceof Script,"Must provide another script"),this.chunks.length!==script.chunks.length)return!1;var i;for(i=0;i<this.chunks.length;i++){if(BufferUtil.isBuffer(this.chunks[i].buf)&&!BufferUtil.isBuffer(script.chunks[i].buf))return!1;if(BufferUtil.isBuffer(this.chunks[i].buf)&&!BufferUtil.equals(this.chunks[i].buf,script.chunks[i].buf))return!1;if(this.chunks[i].opcodenum!==script.chunks[i].opcodenum)return!1}return!0},Script.prototype.add=function(obj){return this._addByType(obj,!1),this},Script.prototype._addByType=function(obj,prepend){if("string"==typeof obj)this._addOpcode(obj,prepend);else if("number"==typeof obj)this._addOpcode(obj,prepend);else if(obj instanceof Opcode)this._addOpcode(obj,prepend);else if(BufferUtil.isBuffer(obj))this._addBuffer(obj,prepend);else if(obj instanceof Script)this.chunks=this.chunks.concat(obj.chunks);else{if("object"!=typeof obj)throw new Error("Invalid script chunk");this._insertAtPosition(obj,prepend)}},Script.prototype._insertAtPosition=function(op,prepend){prepend?this.chunks.unshift(op):this.chunks.push(op)},Script.prototype._addOpcode=function(opcode,prepend){var op;return op="number"==typeof opcode?opcode:opcode instanceof Opcode?opcode.toNumber():Opcode(opcode).toNumber(),this._insertAtPosition({opcodenum:op},prepend),this},Script.prototype._addBuffer=function(buf,prepend){var opcodenum,len=buf.length;if(len>=0&&len<Opcode.OP_PUSHDATA1)opcodenum=len;else if(len<Math.pow(2,8))opcodenum=Opcode.OP_PUSHDATA1;else if(len<Math.pow(2,16))opcodenum=Opcode.OP_PUSHDATA2;else{if(!(len<Math.pow(2,32)))throw new Error("You can't push that much data");opcodenum=Opcode.OP_PUSHDATA4}return this._insertAtPosition({buf:buf,len:len,opcodenum:opcodenum},prepend),this},Script.prototype.removeCodeseparators=function(){for(var chunks=[],i=0;i<this.chunks.length;i++)this.chunks[i].opcodenum!==Opcode.OP_CODESEPARATOR&&chunks.push(this.chunks[i]);return this.chunks=chunks,this},Script.buildMultisigOut=function(publicKeys,threshold,opts){$.checkArgument(threshold<=publicKeys.length,"Number of required signatures must be less than or equal to the number of public keys"),opts=opts||{};var script=new Script;script.add(Opcode.smallInt(threshold));var sorted=publicKeys=_.map(publicKeys,PublicKey);opts.noSorting||(sorted=_.sortBy(publicKeys,function(publicKey){return publicKey.toString("hex")}));for(var i=0;i<sorted.length;i++){var publicKey=sorted[i];script.add(publicKey.toBuffer())}return script.add(Opcode.smallInt(publicKeys.length)),script.add(Opcode.OP_CHECKMULTISIG),script},Script.buildMultisigIn=function(pubkeys,threshold,signatures,opts){$.checkArgument(_.isArray(pubkeys)),$.checkArgument(_.isNumber(threshold)),$.checkArgument(_.isArray(signatures)),opts=opts||{};var s=new Script;return s.add(Opcode.OP_0),_.each(signatures,function(signature){$.checkArgument(BufferUtil.isBuffer(signature),"Signatures must be an array of Buffers"),s.add(signature)}),s},Script.buildP2SHMultisigIn=function(pubkeys,threshold,signatures,opts){$.checkArgument(_.isArray(pubkeys)),$.checkArgument(_.isNumber(threshold)),$.checkArgument(_.isArray(signatures)),opts=opts||{};var s=new Script;return s.add(Opcode.OP_0),_.each(signatures,function(signature){$.checkArgument(BufferUtil.isBuffer(signature),"Signatures must be an array of Buffers"),s.add(signature)}),s.add((opts.cachedMultisig||Script.buildMultisigOut(pubkeys,threshold,opts)).toBuffer()),s},Script.buildPublicKeyHashOut=function(to){$.checkArgument(!_.isUndefined(to)),$.checkArgument(to instanceof PublicKey||to instanceof Address||_.isString(to)),to instanceof PublicKey?to=to.toAddress():_.isString(to)&&(to=new Address(to));var s=new Script;return s.add(Opcode.OP_DUP).add(Opcode.OP_HASH160).add(to.hashBuffer).add(Opcode.OP_EQUALVERIFY).add(Opcode.OP_CHECKSIG),s._network=to.network,s},Script.buildPublicKeyOut=function(pubkey){$.checkArgument(pubkey instanceof PublicKey);var s=new Script;return s.add(pubkey.toBuffer()).add(Opcode.OP_CHECKSIG),s},Script.buildDataOut=function(data,encoding){$.checkArgument(_.isUndefined(data)||_.isString(data)||BufferUtil.isBuffer(data)),_.isString(data)&&(data=new Buffer(data,encoding));var s=new Script;return s.add(Opcode.OP_RETURN),_.isUndefined(data)||s.add(data),s},Script.buildScriptHashOut=function(script){$.checkArgument(script instanceof Script||script instanceof Address&&script.isPayToScriptHash());var s=new Script;return s.add(Opcode.OP_HASH160).add(script instanceof Address?script.hashBuffer:Hash.sha256ripemd160(script.toBuffer())).add(Opcode.OP_EQUAL),s._network=script._network||script.network,s},Script.buildPublicKeyIn=function(signature,sigtype){$.checkArgument(signature instanceof Signature||BufferUtil.isBuffer(signature)),$.checkArgument(_.isUndefined(sigtype)||_.isNumber(sigtype)),signature instanceof Signature&&(signature=signature.toBuffer());var script=new Script;return script.add(BufferUtil.concat([signature,BufferUtil.integerAsSingleByteBuffer(sigtype||Signature.SIGHASH_ALL)])),script},Script.buildPublicKeyHashIn=function(publicKey,signature,sigtype){$.checkArgument(signature instanceof Signature||BufferUtil.isBuffer(signature)),$.checkArgument(_.isUndefined(sigtype)||_.isNumber(sigtype)),signature instanceof Signature&&(signature=signature.toBuffer());return(new Script).add(BufferUtil.concat([signature,BufferUtil.integerAsSingleByteBuffer(sigtype||Signature.SIGHASH_ALL)])).add(new PublicKey(publicKey).toBuffer())},Script.empty=function(){return new Script},Script.prototype.toScriptHashOut=function(){return Script.buildScriptHashOut(this)},Script.fromAddress=function(address){if((address=Address(address)).isPayToScriptHash())return Script.buildScriptHashOut(address);if(address.isPayToPublicKeyHash())return Script.buildPublicKeyHashOut(address);throw new errors.Script.UnrecognizedAddress(address)},Script.prototype.getAddressInfo=function(opts){if(this._isInput)return this._getInputAddressInfo();if(this._isOutput)return this._getOutputAddressInfo();var info=this._getOutputAddressInfo();return info||this._getInputAddressInfo()},Script.prototype._getOutputAddressInfo=function(){var info={};if(this.isScriptHashOut())info.hashBuffer=this.getData(),info.type=Address.PayToScriptHash;else{if(!this.isPublicKeyHashOut())return!1;info.hashBuffer=this.getData(),info.type=Address.PayToPublicKeyHash}return info},Script.prototype._getInputAddressInfo=function(){var info={};if(this.isPublicKeyHashIn())info.hashBuffer=Hash.sha256ripemd160(this.chunks[1].buf),info.type=Address.PayToPublicKeyHash;else{if(!this.isScriptHashIn())return!1;info.hashBuffer=Hash.sha256ripemd160(this.chunks[this.chunks.length-1].buf),info.type=Address.PayToScriptHash}return info},Script.prototype.toAddress=function(network){var info=this.getAddressInfo();return!!info&&(info.network=Networks.get(network)||this._network||Networks.defaultNetwork,new Address(info))},Script.prototype.findAndDelete=function(script){for(var hex=script.toBuffer().toString("hex"),i=0;i<this.chunks.length;i++){hex===Script({chunks:[this.chunks[i]]}).toBuffer().toString("hex")&&this.chunks.splice(i,1)}return this},Script.prototype.checkMinimalPush=function(i){var chunk=this.chunks[i],buf=chunk.buf,opcodenum=chunk.opcodenum;return!buf||(0===buf.length?opcodenum===Opcode.OP_0:1===buf.length&&buf[0]>=1&&buf[0]<=16?opcodenum===Opcode.OP_1+(buf[0]-1):1===buf.length&&129===buf[0]?opcodenum===Opcode.OP_1NEGATE:buf.length<=75?opcodenum===buf.length:buf.length<=255?opcodenum===Opcode.OP_PUSHDATA1:!(buf.length<=65535)||opcodenum===Opcode.OP_PUSHDATA2)},Script.prototype._decodeOP_N=function(opcode){if(opcode===Opcode.OP_0)return 0;if(opcode>=Opcode.OP_1&&opcode<=Opcode.OP_16)return opcode-(Opcode.OP_1-1);throw new Error("Invalid opcode: "+JSON.stringify(opcode))},Script.prototype.getSignatureOperationsCount=function(accurate){accurate=!!_.isUndefined(accurate)||accurate;var self=this,n=0,lastOpcode=Opcode.OP_INVALIDOPCODE;return _.each(self.chunks,function(chunk){var opcode=chunk.opcodenum;opcode==Opcode.OP_CHECKSIG||opcode==Opcode.OP_CHECKSIGVERIFY?n++:opcode!=Opcode.OP_CHECKMULTISIG&&opcode!=Opcode.OP_CHECKMULTISIGVERIFY||(accurate&&lastOpcode>=Opcode.OP_1&&lastOpcode<=Opcode.OP_16?n+=self._decodeOP_N(lastOpcode):n+=20),lastOpcode=opcode}),n},module.exports=Script}).call(this,require("buffer").Buffer)},{"../address":214,"../crypto/hash":222,"../crypto/signature":225,"../encoding/bufferreader":228,"../encoding/bufferwriter":229,"../errors":231,"../networks":246,"../opcode":247,"../publickey":249,"../util/buffer":267,"../util/js":268,"../util/preconditions":269,buffer:70,lodash:148}],253:[function(require,module,exports){module.exports=require("./transaction"),module.exports.Input=require("./input"),module.exports.Output=require("./output"),module.exports.UnspentOutput=require("./unspentoutput"),module.exports.Signature=require("./signature"),module.exports.Sighash=require("./sighash")},{"./input":254,"./output":260,"./sighash":261,"./signature":262,"./transaction":263,"./unspentoutput":264}],254:[function(require,module,exports){module.exports=require("./input"),module.exports.PublicKey=require("./publickey"),module.exports.PublicKeyHash=require("./publickeyhash"),module.exports.MultiSig=require("./multisig.js"),module.exports.MultiSigScriptHash=require("./multisigscripthash.js")},{"./input":255,"./multisig.js":256,"./multisigscripthash.js":257,"./publickey":258,"./publickeyhash":259}],255:[function(require,module,exports){"use strict";var _=require("lodash"),$=require("../../util/preconditions"),errors=require("../../errors"),BufferWriter=require("../../encoding/bufferwriter"),buffer=require("buffer"),BufferUtil=require("../../util/buffer"),JSUtil=require("../../util/js"),Script=require("../../script"),Sighash=require("../sighash"),Output=require("../output");function Input(params){return this instanceof Input?params?this._fromObject(params):void 0:new Input(params)}Input.MAXINT=4294967295,Input.DEFAULT_SEQNUMBER=4294967295,Input.DEFAULT_LOCKTIME_SEQNUMBER=4294967294,Input.DEFAULT_RBF_SEQNUMBER=4294967293,Object.defineProperty(Input.prototype,"script",{configurable:!1,enumerable:!0,get:function(){return this.isNull()?null:(this._script||(this._script=new Script(this._scriptBuffer),this._script._isInput=!0),this._script)}}),Input.fromObject=function(obj){$.checkArgument(_.isObject(obj));return(new Input)._fromObject(obj)},Input.prototype._fromObject=function(params){var prevTxId;if(prevTxId=_.isString(params.prevTxId)&&JSUtil.isHexa(params.prevTxId)?new buffer.Buffer(params.prevTxId,"hex"):params.prevTxId,this.output=params.output?params.output instanceof Output?params.output:new Output(params.output):void 0,this.prevTxId=prevTxId||params.txidbuf,this.outputIndex=_.isUndefined(params.outputIndex)?params.txoutnum:params.outputIndex,this.sequenceNumber=_.isUndefined(params.sequenceNumber)?_.isUndefined(params.seqnum)?4294967295:params.seqnum:params.sequenceNumber,_.isUndefined(params.script)&&_.isUndefined(params.scriptBuffer))throw new errors.Transaction.Input.MissingScript;return this.setScript(params.scriptBuffer||params.script),this},Input.prototype.toObject=Input.prototype.toJSON=function(){var obj={prevTxId:this.prevTxId.toString("hex"),outputIndex:this.outputIndex,sequenceNumber:this.sequenceNumber,script:this._scriptBuffer.toString("hex")};return this.script&&(obj.scriptString=this.script.toString()),this.output&&(obj.output=this.output.toObject()),obj},Input.fromBufferReader=function(br){var input=new Input;return input.prevTxId=br.readReverse(32),input.outputIndex=br.readUInt32LE(),input._scriptBuffer=br.readVarLengthBuffer(),input.sequenceNumber=br.readUInt32LE(),input},Input.prototype.toBufferWriter=function(writer){writer||(writer=new BufferWriter),writer.writeReverse(this.prevTxId),writer.writeUInt32LE(this.outputIndex);var script=this._scriptBuffer;return writer.writeVarintNum(script.length),writer.write(script),writer.writeUInt32LE(this.sequenceNumber),writer},Input.prototype.setScript=function(script){if(this._script=null,script instanceof Script)this._script=script,this._script._isInput=!0,this._scriptBuffer=script.toBuffer();else if(JSUtil.isHexa(script))this._scriptBuffer=new buffer.Buffer(script,"hex");else if(_.isString(script))this._script=new Script(script),this._script._isInput=!0,this._scriptBuffer=this._script.toBuffer();else{if(!BufferUtil.isBuffer(script))throw new TypeError("Invalid argument type: script");this._scriptBuffer=new buffer.Buffer(script)}return this},Input.prototype.getSignatures=function(){throw new errors.AbstractMethodInvoked("Trying to sign unsupported output type (only P2PKH and P2SH multisig inputs are supported) for input: "+JSON.stringify(this))},Input.prototype.isFullySigned=function(){throw new errors.AbstractMethodInvoked("Input#isFullySigned")},Input.prototype.isFinal=function(){return 4294967295!==this.sequenceNumber},Input.prototype.addSignature=function(){throw new errors.AbstractMethodInvoked("Input#addSignature")},Input.prototype.clearSignatures=function(){throw new errors.AbstractMethodInvoked("Input#clearSignatures")},Input.prototype.isValidSignature=function(transaction,signature){return signature.signature.nhashtype=signature.sigtype,Sighash.verify(transaction,signature.signature,signature.publicKey,signature.inputIndex,this.output.script,this.output.satoshisBN)},Input.prototype.isNull=function(){return"0000000000000000000000000000000000000000000000000000000000000000"===this.prevTxId.toString("hex")&&4294967295===this.outputIndex},Input.prototype._estimateSize=function(){return this.toBufferWriter().toBuffer().length},module.exports=Input},{"../../encoding/bufferwriter":229,"../../errors":231,"../../script":250,"../../util/buffer":267,"../../util/js":268,"../../util/preconditions":269,"../output":260,"../sighash":261,buffer:70,lodash:148}],256:[function(require,module,exports){"use strict";var _=require("lodash"),inherits=require("inherits"),Input=(require("../transaction"),require("./input")),Output=require("../output"),$=require("../../util/preconditions"),Script=require("../../script"),Signature=require("../../crypto/signature"),Sighash=require("../sighash"),BufferUtil=(require("../../publickey"),require("../../util/buffer")),TransactionSignature=require("../signature");function MultiSigInput(input,pubkeys,threshold,signatures){Input.apply(this,arguments);var self=this;pubkeys=pubkeys||input.publicKeys,threshold=threshold||input.threshold,signatures=signatures||input.signatures,this.publicKeys=_.sortBy(pubkeys,function(publicKey){return publicKey.toString("hex")}),$.checkState(Script.buildMultisigOut(this.publicKeys,threshold).equals(this.output.script),"Provided public keys don't match to the provided output script"),this.publicKeyIndex={},_.each(this.publicKeys,function(publicKey,index){self.publicKeyIndex[publicKey.toString()]=index}),this.threshold=threshold,this.signatures=signatures?this._deserializeSignatures(signatures):new Array(this.publicKeys.length)}inherits(MultiSigInput,Input),MultiSigInput.prototype.toObject=function(){var obj=Input.prototype.toObject.apply(this,arguments);return obj.threshold=this.threshold,obj.publicKeys=_.map(this.publicKeys,function(publicKey){return publicKey.toString()}),obj.signatures=this._serializeSignatures(),obj},MultiSigInput.prototype._deserializeSignatures=function(signatures){return _.map(signatures,function(signature){if(signature)return new TransactionSignature(signature)})},MultiSigInput.prototype._serializeSignatures=function(){return _.map(this.signatures,function(signature){if(signature)return signature.toObject()})},MultiSigInput.prototype.getSignatures=function(transaction,privateKey,index,sigtype){$.checkState(this.output instanceof Output),sigtype=sigtype||Signature.SIGHASH_ALL|Signature.SIGHASH_FORKID;var self=this,results=[];return _.each(this.publicKeys,function(publicKey){publicKey.toString()===privateKey.publicKey.toString()&&results.push(new TransactionSignature({publicKey:privateKey.publicKey,prevTxId:self.prevTxId,outputIndex:self.outputIndex,inputIndex:index,signature:Sighash.sign(transaction,privateKey,sigtype,index,self.output.script,self.output.satoshisBN),sigtype:sigtype}))}),results},MultiSigInput.prototype.addSignature=function(transaction,signature){return $.checkState(!this.isFullySigned(),"All needed signatures have already been added"),$.checkArgument(!_.isUndefined(this.publicKeyIndex[signature.publicKey.toString()]),"Signature has no matching public key"),$.checkState(this.isValidSignature(transaction,signature)),this.signatures[this.publicKeyIndex[signature.publicKey.toString()]]=signature,this._updateScript(),this},MultiSigInput.prototype._updateScript=function(){return this.setScript(Script.buildMultisigIn(this.publicKeys,this.threshold,this._createSignatures())),this},MultiSigInput.prototype._createSignatures=function(){return _.map(_.filter(this.signatures,function(signature){return!_.isUndefined(signature)}),function(signature){return BufferUtil.concat([signature.signature.toDER(),BufferUtil.integerAsSingleByteBuffer(signature.sigtype)])})},MultiSigInput.prototype.clearSignatures=function(){this.signatures=new Array(this.publicKeys.length),this._updateScript()},MultiSigInput.prototype.isFullySigned=function(){return this.countSignatures()===this.threshold},MultiSigInput.prototype.countMissingSignatures=function(){return this.threshold-this.countSignatures()},MultiSigInput.prototype.countSignatures=function(){return _.reduce(this.signatures,function(sum,signature){return sum+!!signature},0)},MultiSigInput.prototype.publicKeysWithoutSignature=function(){var self=this;return _.filter(this.publicKeys,function(publicKey){return!self.signatures[self.publicKeyIndex[publicKey.toString()]]})},MultiSigInput.prototype.isValidSignature=function(transaction,signature){return signature.signature.nhashtype=signature.sigtype,Sighash.verify(transaction,signature.signature,signature.publicKey,signature.inputIndex,this.output.script,this.output.satoshisBN)},MultiSigInput.normalizeSignatures=function(transaction,input,inputIndex,signatures,publicKeys){return publicKeys.map(function(pubKey){var signatureMatch=null;return signatures=signatures.filter(function(signatureBuffer){if(signatureMatch)return!0;var signature=new TransactionSignature({signature:Signature.fromTxFormat(signatureBuffer),publicKey:pubKey,prevTxId:input.prevTxId,outputIndex:input.outputIndex,inputIndex:inputIndex,sigtype:Signature.SIGHASH_ALL});signature.signature.nhashtype=signature.sigtype;return!Sighash.verify(transaction,signature.signature,signature.publicKey,signature.inputIndex,input.output.script)||(signatureMatch=signature,!1)}),signatureMatch||null})},MultiSigInput.OPCODES_SIZE=1,MultiSigInput.SIGNATURE_SIZE=73,MultiSigInput.prototype._estimateSize=function(){return MultiSigInput.OPCODES_SIZE+this.threshold*MultiSigInput.SIGNATURE_SIZE},module.exports=MultiSigInput},{"../../crypto/signature":225,"../../publickey":249,"../../script":250,"../../util/buffer":267,"../../util/preconditions":269,"../output":260,"../sighash":261,"../signature":262,"../transaction":263,"./input":255,inherits:145,lodash:148}],257:[function(require,module,exports){"use strict";var _=require("lodash"),inherits=require("inherits"),Input=require("./input"),Output=require("../output"),$=require("../../util/preconditions"),Script=require("../../script"),Signature=require("../../crypto/signature"),Sighash=require("../sighash"),BufferUtil=(require("../../publickey"),require("../../util/buffer")),TransactionSignature=require("../signature");function MultiSigScriptHashInput(input,pubkeys,threshold,signatures){Input.apply(this,arguments);var self=this;pubkeys=pubkeys||input.publicKeys,threshold=threshold||input.threshold,signatures=signatures||input.signatures,this.publicKeys=_.sortBy(pubkeys,function(publicKey){return publicKey.toString("hex")}),this.redeemScript=Script.buildMultisigOut(this.publicKeys,threshold),$.checkState(Script.buildScriptHashOut(this.redeemScript).equals(this.output.script),"Provided public keys don't hash to the provided output"),this.publicKeyIndex={},_.each(this.publicKeys,function(publicKey,index){self.publicKeyIndex[publicKey.toString()]=index}),this.threshold=threshold,this.signatures=signatures?this._deserializeSignatures(signatures):new Array(this.publicKeys.length)}inherits(MultiSigScriptHashInput,Input),MultiSigScriptHashInput.prototype.toObject=function(){var obj=Input.prototype.toObject.apply(this,arguments);return obj.threshold=this.threshold,obj.publicKeys=_.map(this.publicKeys,function(publicKey){return publicKey.toString()}),obj.signatures=this._serializeSignatures(),obj},MultiSigScriptHashInput.prototype._deserializeSignatures=function(signatures){return _.map(signatures,function(signature){if(signature)return new TransactionSignature(signature)})},MultiSigScriptHashInput.prototype._serializeSignatures=function(){return _.map(this.signatures,function(signature){if(signature)return signature.toObject()})},MultiSigScriptHashInput.prototype.getSignatures=function(transaction,privateKey,index,sigtype){$.checkState(this.output instanceof Output),sigtype=sigtype||Signature.SIGHASH_ALL|Signature.SIGHASH_FORKID;var self=this,results=[];return _.each(this.publicKeys,function(publicKey){publicKey.toString()===privateKey.publicKey.toString()&&results.push(new TransactionSignature({publicKey:privateKey.publicKey,prevTxId:self.prevTxId,outputIndex:self.outputIndex,inputIndex:index,signature:Sighash.sign(transaction,privateKey,sigtype,index,self.redeemScript,self.output.satoshisBN),sigtype:sigtype}))}),results},MultiSigScriptHashInput.prototype.addSignature=function(transaction,signature){return $.checkState(!this.isFullySigned(),"All needed signatures have already been added"),$.checkArgument(!_.isUndefined(this.publicKeyIndex[signature.publicKey.toString()]),"Signature has no matching public key"),$.checkState(this.isValidSignature(transaction,signature)),this.signatures[this.publicKeyIndex[signature.publicKey.toString()]]=signature,this._updateScript(),this},MultiSigScriptHashInput.prototype._updateScript=function(){return this.setScript(Script.buildP2SHMultisigIn(this.publicKeys,this.threshold,this._createSignatures(),{cachedMultisig:this.redeemScript})),this},MultiSigScriptHashInput.prototype._createSignatures=function(){return _.map(_.filter(this.signatures,function(signature){return!_.isUndefined(signature)}),function(signature){return BufferUtil.concat([signature.signature.toDER(),BufferUtil.integerAsSingleByteBuffer(signature.sigtype)])})},MultiSigScriptHashInput.prototype.clearSignatures=function(){this.signatures=new Array(this.publicKeys.length),this._updateScript()},MultiSigScriptHashInput.prototype.isFullySigned=function(){return this.countSignatures()===this.threshold},MultiSigScriptHashInput.prototype.countMissingSignatures=function(){return this.threshold-this.countSignatures()},MultiSigScriptHashInput.prototype.countSignatures=function(){return _.reduce(this.signatures,function(sum,signature){return sum+!!signature},0)},MultiSigScriptHashInput.prototype.publicKeysWithoutSignature=function(){var self=this;return _.filter(this.publicKeys,function(publicKey){return!self.signatures[self.publicKeyIndex[publicKey.toString()]]})},MultiSigScriptHashInput.prototype.isValidSignature=function(transaction,signature){return signature.signature.nhashtype=signature.sigtype,Sighash.verify(transaction,signature.signature,signature.publicKey,signature.inputIndex,this.redeemScript,this.output.satoshisBN)},MultiSigScriptHashInput.OPCODES_SIZE=7,MultiSigScriptHashInput.SIGNATURE_SIZE=74,MultiSigScriptHashInput.PUBKEY_SIZE=34,MultiSigScriptHashInput.prototype._estimateSize=function(){return MultiSigScriptHashInput.OPCODES_SIZE+this.threshold*MultiSigScriptHashInput.SIGNATURE_SIZE+this.publicKeys.length*MultiSigScriptHashInput.PUBKEY_SIZE},module.exports=MultiSigScriptHashInput},{"../../crypto/signature":225,"../../publickey":249,"../../script":250,"../../util/buffer":267,"../../util/preconditions":269,"../output":260,"../sighash":261,"../signature":262,"./input":255,inherits:145,lodash:148}],258:[function(require,module,exports){"use strict";var inherits=require("inherits"),$=require("../../util/preconditions"),Input=(require("../../util/buffer"),require("./input")),Output=require("../output"),Sighash=require("../sighash"),Script=require("../../script"),Signature=require("../../crypto/signature"),TransactionSignature=require("../signature");function PublicKeyInput(){Input.apply(this,arguments)}inherits(PublicKeyInput,Input),PublicKeyInput.prototype.getSignatures=function(transaction,privateKey,index,sigtype){$.checkState(this.output instanceof Output),sigtype=sigtype||Signature.SIGHASH_ALL|Signature.SIGHASH_FORKID;var publicKey=privateKey.toPublicKey();return publicKey.toString()===this.output.script.getPublicKey().toString("hex")?[new TransactionSignature({publicKey:publicKey,prevTxId:this.prevTxId,outputIndex:this.outputIndex,inputIndex:index,signature:Sighash.sign(transaction,privateKey,sigtype,index,this.output.script,this.output.satoshisBN),sigtype:sigtype})]:[]},PublicKeyInput.prototype.addSignature=function(transaction,signature){return $.checkState(this.isValidSignature(transaction,signature),"Signature is invalid"),this.setScript(Script.buildPublicKeyIn(signature.signature.toDER(),signature.sigtype)),this},PublicKeyInput.prototype.clearSignatures=function(){return this.setScript(Script.empty()),this},PublicKeyInput.prototype.isFullySigned=function(){return this.script.isPublicKeyIn()},PublicKeyInput.SCRIPT_MAX_SIZE=73,PublicKeyInput.prototype._estimateSize=function(){return PublicKeyInput.SCRIPT_MAX_SIZE},module.exports=PublicKeyInput},{"../../crypto/signature":225,"../../script":250,"../../util/buffer":267,"../../util/preconditions":269,"../output":260,"../sighash":261,"../signature":262,"./input":255,inherits:145}],259:[function(require,module,exports){"use strict";var inherits=require("inherits"),$=require("../../util/preconditions"),BufferUtil=require("../../util/buffer"),Hash=require("../../crypto/hash"),Input=require("./input"),Output=require("../output"),Sighash=require("../sighash"),Script=require("../../script"),Signature=require("../../crypto/signature"),TransactionSignature=require("../signature");function PublicKeyHashInput(){Input.apply(this,arguments)}inherits(PublicKeyHashInput,Input),PublicKeyHashInput.prototype.getSignatures=function(transaction,privateKey,index,sigtype,hashData){return $.checkState(this.output instanceof Output),hashData=hashData||Hash.sha256ripemd160(privateKey.publicKey.toBuffer()),sigtype=sigtype||Signature.SIGHASH_ALL|Signature.SIGHASH_FORKID,BufferUtil.equals(hashData,this.output.script.getPublicKeyHash())?[new TransactionSignature({publicKey:privateKey.publicKey,prevTxId:this.prevTxId,outputIndex:this.outputIndex,inputIndex:index,signature:Sighash.sign(transaction,privateKey,sigtype,index,this.output.script,this.output.satoshisBN),sigtype:sigtype})]:[]},PublicKeyHashInput.prototype.addSignature=function(transaction,signature){return $.checkState(this.isValidSignature(transaction,signature),"Signature is invalid"),this.setScript(Script.buildPublicKeyHashIn(signature.publicKey,signature.signature.toDER(),signature.sigtype)),this},PublicKeyHashInput.prototype.clearSignatures=function(){return this.setScript(Script.empty()),this},PublicKeyHashInput.prototype.isFullySigned=function(){return this.script.isPublicKeyHashIn()},PublicKeyHashInput.SCRIPT_MAX_SIZE=107,PublicKeyHashInput.prototype._estimateSize=function(){return PublicKeyHashInput.SCRIPT_MAX_SIZE},module.exports=PublicKeyHashInput},{"../../crypto/hash":222,"../../crypto/signature":225,"../../script":250,"../../util/buffer":267,"../../util/preconditions":269,"../output":260,"../sighash":261,"../signature":262,"./input":255,inherits:145}],260:[function(require,module,exports){"use strict";var _=require("lodash"),BN=require("../crypto/bn"),buffer=require("buffer"),bufferUtil=require("../util/buffer"),JSUtil=require("../util/js"),BufferWriter=require("../encoding/bufferwriter"),Script=require("../script"),$=require("../util/preconditions"),errors=require("../errors");function Output(args){if(!(this instanceof Output))return new Output(args);if(!_.isObject(args))throw new TypeError("Unrecognized argument for Output");if(this.satoshis=args.satoshis,bufferUtil.isBuffer(args.script))this._scriptBuffer=args.script;else{var script;script=_.isString(args.script)&&JSUtil.isHexa(args.script)?new buffer.Buffer(args.script,"hex"):args.script,this.setScript(script)}}Object.defineProperty(Output.prototype,"script",{configurable:!1,enumerable:!0,get:function(){return this._script?this._script:(this.setScriptFromBuffer(this._scriptBuffer),this._script)}}),Object.defineProperty(Output.prototype,"satoshis",{configurable:!1,enumerable:!0,get:function(){return this._satoshis},set:function(num){num instanceof BN?(this._satoshisBN=num,this._satoshis=num.toNumber()):_.isString(num)?(this._satoshis=parseInt(num),this._satoshisBN=BN.fromNumber(this._satoshis)):($.checkArgument(JSUtil.isNaturalNumber(num),"Output satoshis is not a natural number"),this._satoshisBN=BN.fromNumber(num),this._satoshis=num),$.checkState(JSUtil.isNaturalNumber(this._satoshis),"Output satoshis is not a natural number")}}),Output.prototype.invalidSatoshis=function(){return this._satoshis>9007199254740991?"transaction txout satoshis greater than max safe integer":this._satoshis!==this._satoshisBN.toNumber()?"transaction txout satoshis has corrupted value":this._satoshis<0&&"transaction txout negative"},Object.defineProperty(Output.prototype,"satoshisBN",{configurable:!1,enumerable:!0,get:function(){return this._satoshisBN},set:function(num){this._satoshisBN=num,this._satoshis=num.toNumber(),$.checkState(JSUtil.isNaturalNumber(this._satoshis),"Output satoshis is not a natural number")}}),Output.prototype.toObject=Output.prototype.toJSON=function(){var obj={satoshis:this.satoshis};return obj.script=this._scriptBuffer.toString("hex"),obj},Output.fromObject=function(data){return new Output(data)},Output.prototype.setScriptFromBuffer=function(buffer){this._scriptBuffer=buffer;try{this._script=Script.fromBuffer(this._scriptBuffer),this._script._isOutput=!0}catch(e){if(!(e instanceof errors.Script.InvalidBuffer))throw e;this._script=null}},Output.prototype.setScript=function(script){if(script instanceof Script)this._scriptBuffer=script.toBuffer(),this._script=script,this._script._isOutput=!0;else if(_.isString(script))this._script=Script.fromString(script),this._scriptBuffer=this._script.toBuffer(),this._script._isOutput=!0;else{if(!bufferUtil.isBuffer(script))throw new TypeError("Invalid argument type: script");this.setScriptFromBuffer(script)}return this},Output.prototype.inspect=function(){var scriptStr;return scriptStr=this.script?this.script.inspect():this._scriptBuffer.toString("hex"),"<Output ("+this.satoshis+" sats) "+scriptStr+">"},Output.fromBufferReader=function(br){var obj={};obj.satoshis=br.readUInt64LEBN();var size=br.readVarintNum();return obj.script=0!==size?br.read(size):new buffer.Buffer([]),new Output(obj)},Output.prototype.toBufferWriter=function(writer){writer||(writer=new BufferWriter),writer.writeUInt64LEBN(this._satoshisBN);var script=this._scriptBuffer;return writer.writeVarintNum(script.length),writer.write(script),writer},module.exports=Output},{"../crypto/bn":220,"../encoding/bufferwriter":229,"../errors":231,"../script":250,"../util/buffer":267,"../util/js":268,"../util/preconditions":269,buffer:70,lodash:148}],261:[function(require,module,exports){(function(Buffer){"use strict";var buffer=require("buffer"),Signature=require("../crypto/signature"),Script=require("../script"),Output=require("./output"),BufferReader=require("../encoding/bufferreader"),BufferWriter=require("../encoding/bufferwriter"),BN=require("../crypto/bn"),Hash=require("../crypto/hash"),ECDSA=require("../crypto/ecdsa"),$=require("../util/preconditions"),BufferUtil=require("../util/buffer"),_=require("lodash"),sighash=function(transaction,sighashType,inputNumber,subscript,satoshisBN){var Transaction=require("./transaction"),Input=require("./input"),txcopy=Transaction.shallowCopy(transaction);if(subscript=new Script(subscript),sighashType&Signature.SIGHASH_FORKID)return function(transaction,sighashType,inputNumber,subscript,satoshisBN){var input=transaction.inputs[inputNumber];$.checkArgument(satoshisBN instanceof BN,"For ForkId=0 signatures, satoshis or complete input must be provided");function GetOutputsHash(tx,n){var writer=new BufferWriter;_.isUndefined(n)?_.each(tx.outputs,function(output){output.toBufferWriter(writer)}):tx.outputs[n].toBufferWriter(writer);var buf=writer.toBuffer();return Hash.sha256sha256(buf)}var hashPrevouts=BufferUtil.emptyBuffer(32),hashSequence=BufferUtil.emptyBuffer(32),hashOutputs=BufferUtil.emptyBuffer(32);sighashType&Signature.SIGHASH_ANYONECANPAY||(hashPrevouts=function(tx){var writer=new BufferWriter;_.each(tx.inputs,function(input){writer.writeReverse(input.prevTxId),writer.writeUInt32LE(input.outputIndex)});var buf=writer.toBuffer();return Hash.sha256sha256(buf)}(transaction)),sighashType&Signature.SIGHASH_ANYONECANPAY||(31&sighashType)==Signature.SIGHASH_SINGLE||(31&sighashType)==Signature.SIGHASH_NONE||(hashSequence=function(tx){var writer=new BufferWriter;_.each(tx.inputs,function(input){writer.writeUInt32LE(input.sequenceNumber)});var buf=writer.toBuffer();return Hash.sha256sha256(buf)}(transaction)),(31&sighashType)!=Signature.SIGHASH_SINGLE&&(31&sighashType)!=Signature.SIGHASH_NONE?hashOutputs=GetOutputsHash(transaction):(31&sighashType)==Signature.SIGHASH_SINGLE&&inputNumber<transaction.outputs.length&&(hashOutputs=GetOutputsHash(transaction,inputNumber));var writer=new BufferWriter;writer.writeInt32LE(transaction.version),writer.write(hashPrevouts),writer.write(hashSequence),writer.writeReverse(input.prevTxId),writer.writeUInt32LE(input.outputIndex),writer.writeUInt8(subscript.toBuffer().length),writer.write(subscript.toBuffer()),writer.writeUInt64LEBN(satoshisBN);var sequenceNumber=input.sequenceNumber;writer.writeUInt32LE(sequenceNumber),writer.write(hashOutputs),writer.writeUInt32LE(transaction.nLockTime),writer.writeUInt32LE(sighashType>>>0);var buf=writer.toBuffer(),ret=Hash.sha256sha256(buf);return ret=new BufferReader(ret).readReverse()}(txcopy,sighashType,inputNumber,subscript,satoshisBN);subscript.removeCodeseparators();var i;for(i=0;i<txcopy.inputs.length;i++)txcopy.inputs[i]=new Input(txcopy.inputs[i]).setScript(Script.empty());if(txcopy.inputs[inputNumber]=new Input(txcopy.inputs[inputNumber]).setScript(subscript),(31&sighashType)===Signature.SIGHASH_NONE||(31&sighashType)===Signature.SIGHASH_SINGLE)for(i=0;i<txcopy.inputs.length;i++)i!==inputNumber&&(txcopy.inputs[i].sequenceNumber=0);if((31&sighashType)===Signature.SIGHASH_NONE)txcopy.outputs=[];else if((31&sighashType)===Signature.SIGHASH_SINGLE){if(inputNumber>=txcopy.outputs.length)return new Buffer("0000000000000000000000000000000000000000000000000000000000000001","hex");for(txcopy.outputs.length=inputNumber+1,i=0;i<inputNumber;i++)txcopy.outputs[i]=new Output({satoshis:BN.fromBuffer(new buffer.Buffer("ffffffffffffffff","hex")),script:Script.empty()})}sighashType&Signature.SIGHASH_ANYONECANPAY&&(txcopy.inputs=[txcopy.inputs[inputNumber]]);var buf=(new BufferWriter).write(txcopy.toBuffer()).writeInt32LE(sighashType).toBuffer(),ret=Hash.sha256sha256(buf);return ret=new BufferReader(ret).readReverse()};module.exports={sighash:sighash,sign:function(transaction,privateKey,sighashType,inputIndex,subscript,satoshisBN){var hashbuf=sighash(transaction,sighashType,inputIndex,subscript,satoshisBN);return ECDSA.sign(hashbuf,privateKey,"little").set({nhashtype:sighashType})},verify:function(transaction,signature,publicKey,inputIndex,subscript,satoshisBN){$.checkArgument(!_.isUndefined(transaction)),$.checkArgument(!_.isUndefined(signature)&&!_.isUndefined(signature.nhashtype));var hashbuf=sighash(transaction,signature.nhashtype,inputIndex,subscript,satoshisBN);return ECDSA.verify(hashbuf,signature,publicKey,"little")}}}).call(this,require("buffer").Buffer)},{"../crypto/bn":220,"../crypto/ecdsa":221,"../crypto/hash":222,"../crypto/signature":225,"../encoding/bufferreader":228,"../encoding/bufferwriter":229,"../script":250,"../util/buffer":267,"../util/preconditions":269,"./input":254,"./output":260,"./transaction":263,buffer:70,lodash:148}],262:[function(require,module,exports){(function(Buffer){"use strict";var _=require("lodash"),$=require("../util/preconditions"),inherits=require("inherits"),BufferUtil=require("../util/buffer"),JSUtil=require("../util/js"),PublicKey=require("../publickey"),errors=require("../errors"),Signature=require("../crypto/signature");function TransactionSignature(arg){if(!(this instanceof TransactionSignature))return new TransactionSignature(arg);if(arg instanceof TransactionSignature)return arg;if(_.isObject(arg))return this._fromObject(arg);throw new errors.InvalidArgument("TransactionSignatures must be instantiated from an object")}inherits(TransactionSignature,Signature),TransactionSignature.prototype._fromObject=function(arg){return this._checkObjectArgs(arg),this.publicKey=new PublicKey(arg.publicKey),this.prevTxId=BufferUtil.isBuffer(arg.prevTxId)?arg.prevTxId:new Buffer(arg.prevTxId,"hex"),this.outputIndex=arg.outputIndex,this.inputIndex=arg.inputIndex,this.signature=arg.signature instanceof Signature?arg.signature:BufferUtil.isBuffer(arg.signature)?Signature.fromBuffer(arg.signature):Signature.fromString(arg.signature),this.sigtype=arg.sigtype,this},TransactionSignature.prototype._checkObjectArgs=function(arg){$.checkArgument(PublicKey(arg.publicKey),"publicKey"),$.checkArgument(!_.isUndefined(arg.inputIndex),"inputIndex"),$.checkArgument(!_.isUndefined(arg.outputIndex),"outputIndex"),$.checkState(_.isNumber(arg.inputIndex),"inputIndex must be a number"),$.checkState(_.isNumber(arg.outputIndex),"outputIndex must be a number"),$.checkArgument(arg.signature,"signature"),$.checkArgument(arg.prevTxId,"prevTxId"),$.checkState(arg.signature instanceof Signature||BufferUtil.isBuffer(arg.signature)||JSUtil.isHexa(arg.signature),"signature must be a buffer or hexa value"),$.checkState(BufferUtil.isBuffer(arg.prevTxId)||JSUtil.isHexa(arg.prevTxId),"prevTxId must be a buffer or hexa value"),$.checkArgument(arg.sigtype,"sigtype"),$.checkState(_.isNumber(arg.sigtype),"sigtype must be a number")},TransactionSignature.prototype.toObject=TransactionSignature.prototype.toJSON=function(){return{publicKey:this.publicKey.toString(),prevTxId:this.prevTxId.toString("hex"),outputIndex:this.outputIndex,inputIndex:this.inputIndex,signature:this.signature.toString(),sigtype:this.sigtype}},TransactionSignature.fromObject=function(object){return $.checkArgument(object),new TransactionSignature(object)},module.exports=TransactionSignature}).call(this,require("buffer").Buffer)},{"../crypto/signature":225,"../errors":231,"../publickey":249,"../util/buffer":267,"../util/js":268,"../util/preconditions":269,buffer:70,inherits:145,lodash:148}],263:[function(require,module,exports){(function(Buffer){"use strict";var _=require("lodash"),$=require("../util/preconditions"),buffer=require("buffer"),compare=Buffer.compare||require("buffer-compare"),errors=require("../errors"),BufferUtil=require("../util/buffer"),JSUtil=require("../util/js"),BufferReader=require("../encoding/bufferreader"),BufferWriter=require("../encoding/bufferwriter"),Hash=require("../crypto/hash"),Signature=require("../crypto/signature"),Sighash=require("./sighash"),Address=require("../address"),UnspentOutput=require("./unspentoutput"),Input=require("./input"),PublicKeyHashInput=Input.PublicKeyHash,PublicKeyInput=Input.PublicKey,MultiSigScriptHashInput=Input.MultiSigScriptHash,MultiSigInput=Input.MultiSig,Output=require("./output"),Script=require("../script"),PrivateKey=require("../privatekey"),BN=require("../crypto/bn");function Transaction(serialized){if(!(this instanceof Transaction))return new Transaction(serialized);if(this.inputs=[],this.outputs=[],this._inputAmount=void 0,this._outputAmount=void 0,serialized){if(serialized instanceof Transaction)return Transaction.shallowCopy(serialized);if(JSUtil.isHexa(serialized))this.fromString(serialized);else if(BufferUtil.isBuffer(serialized))this.fromBuffer(serialized);else{if(!_.isObject(serialized))throw new errors.InvalidArgument("Must provide an object or string to deserialize a transaction");this.fromObject(serialized)}}else this._newTransaction()}Transaction.DUST_AMOUNT=546,Transaction.FEE_SECURITY_MARGIN=150,Transaction.MAX_MONEY=21e14,Transaction.NLOCKTIME_BLOCKHEIGHT_LIMIT=5e8,Transaction.NLOCKTIME_MAX_VALUE=4294967295,Transaction.FEE_PER_KB=1e5,Transaction.CHANGE_OUTPUT_MAX_SIZE=62,Transaction.MAXIMUM_EXTRA_SIZE=26,Transaction.shallowCopy=function(transaction){return new Transaction(transaction.toBuffer())};var hashProperty={configurable:!1,enumerable:!0,get:function(){return new BufferReader(this._getHash()).readReverse().toString("hex")}};Object.defineProperty(Transaction.prototype,"hash",hashProperty),Object.defineProperty(Transaction.prototype,"id",hashProperty);var ioProperty={configurable:!1,enumerable:!0,get:function(){return this._getInputAmount()}};Object.defineProperty(Transaction.prototype,"inputAmount",ioProperty),ioProperty.get=function(){return this._getOutputAmount()},Object.defineProperty(Transaction.prototype,"outputAmount",ioProperty),Transaction.prototype._getHash=function(){return Hash.sha256sha256(this.toBuffer())},Transaction.prototype.serialize=function(unsafe){return!0===unsafe||unsafe&&unsafe.disableAll?this.uncheckedSerialize():this.checkedSerialize(unsafe)},Transaction.prototype.uncheckedSerialize=Transaction.prototype.toString=function(){return this.toBuffer().toString("hex")},Transaction.prototype.checkedSerialize=function(opts){var serializationError=this.getSerializationError(opts);if(serializationError)throw serializationError.message+=" - For more information please see: https://bitcore.io/api/lib/transaction#serialization-checks",serializationError;return this.uncheckedSerialize()},Transaction.prototype.invalidSatoshis=function(){for(var invalid=!1,i=0;i<this.outputs.length;i++)this.outputs[i].invalidSatoshis()&&(invalid=!0);return invalid},Transaction.prototype.getSerializationError=function(opts){if(opts=opts||{},this.invalidSatoshis())return new errors.Transaction.InvalidSatoshis;var unspentError,unspent=this._getUnspentValue();return unspent<0?opts.disableMoreOutputThanInput||(unspentError=new errors.Transaction.InvalidOutputAmountSum):unspentError=this._hasFeeError(opts,unspent),unspentError||this._hasDustOutputs(opts)||this._isMissingSignatures(opts)},Transaction.prototype._hasFeeError=function(opts,unspent){if(!_.isUndefined(this._fee)&&this._fee!==unspent)return new errors.Transaction.FeeError.Different("Unspent value is "+unspent+" but specified fee is "+this._fee);if(!opts.disableLargeFees){var maximumFee=Math.floor(Transaction.FEE_SECURITY_MARGIN*this._estimateFee());if(unspent>maximumFee)return this._missingChange()?new errors.Transaction.ChangeAddressMissing("Fee is too large and no change address was provided"):new errors.Transaction.FeeError.TooLarge("expected less than "+maximumFee+" but got "+unspent)}if(!opts.disableSmallFees){var minimumFee=Math.ceil(this._estimateFee()/Transaction.FEE_SECURITY_MARGIN);if(unspent<minimumFee)return new errors.Transaction.FeeError.TooSmall("expected more than "+minimumFee+" but got "+unspent)}},Transaction.prototype._missingChange=function(){return!this._changeScript},Transaction.prototype._hasDustOutputs=function(opts){if(!opts.disableDustOutputs){var index,output;for(index in this.outputs)if((output=this.outputs[index]).satoshis<Transaction.DUST_AMOUNT&&!output.script.isDataOut())return new errors.Transaction.DustOutputs}},Transaction.prototype._isMissingSignatures=function(opts){if(!opts.disableIsFullySigned)return this.isFullySigned()?void 0:new errors.Transaction.MissingSignatures},Transaction.prototype.inspect=function(){return"<Transaction: "+this.uncheckedSerialize()+">"},Transaction.prototype.toBuffer=function(){var writer=new BufferWriter;return this.toBufferWriter(writer).toBuffer()},Transaction.prototype.toBufferWriter=function(writer){return writer.writeInt32LE(this.version),writer.writeVarintNum(this.inputs.length),_.each(this.inputs,function(input){input.toBufferWriter(writer)}),writer.writeVarintNum(this.outputs.length),_.each(this.outputs,function(output){output.toBufferWriter(writer)}),writer.writeUInt32LE(this.nLockTime),writer},Transaction.prototype.fromBuffer=function(buffer){var reader=new BufferReader(buffer);return this.fromBufferReader(reader)},Transaction.prototype.fromBufferReader=function(reader){$.checkArgument(!reader.finished(),"No transaction data received");var i,sizeTxIns,sizeTxOuts;for(this.version=reader.readInt32LE(),sizeTxIns=reader.readVarintNum(),i=0;i<sizeTxIns;i++){var input=Input.fromBufferReader(reader);this.inputs.push(input)}for(sizeTxOuts=reader.readVarintNum(),i=0;i<sizeTxOuts;i++)this.outputs.push(Output.fromBufferReader(reader));return this.nLockTime=reader.readUInt32LE(),this},Transaction.prototype.toObject=Transaction.prototype.toJSON=function(){var inputs=[];this.inputs.forEach(function(input){inputs.push(input.toObject())});var outputs=[];this.outputs.forEach(function(output){outputs.push(output.toObject())});var obj={hash:this.hash,version:this.version,inputs:inputs,outputs:outputs,nLockTime:this.nLockTime};return this._changeScript&&(obj.changeScript=this._changeScript.toString()),_.isUndefined(this._changeIndex)||(obj.changeIndex=this._changeIndex),_.isUndefined(this._fee)||(obj.fee=this._fee),obj},Transaction.prototype.fromObject=function(arg){$.checkArgument(_.isObject(arg)||arg instanceof Transaction);var transaction,self=this;return transaction=arg instanceof Transaction?transaction.toObject():arg,_.each(transaction.inputs,function(input){if(input.output&&input.output.script){var txin,script=new Script(input.output.script);if(script.isPublicKeyHashOut())txin=new Input.PublicKeyHash(input);else if(script.isScriptHashOut()&&input.publicKeys&&input.threshold)txin=new Input.MultiSigScriptHash(input,input.publicKeys,input.threshold,input.signatures);else{if(!script.isPublicKeyOut())throw new errors.Transaction.Input.UnsupportedScript(input.output.script);txin=new Input.PublicKey(input)}self.addInput(txin)}else self.uncheckedAddInput(new Input(input))}),_.each(transaction.outputs,function(output){self.addOutput(new Output(output))}),transaction.changeIndex&&(this._changeIndex=transaction.changeIndex),transaction.changeScript&&(this._changeScript=new Script(transaction.changeScript)),transaction.fee&&(this._fee=transaction.fee),this.nLockTime=transaction.nLockTime,this.version=transaction.version,this._checkConsistency(arg),this},Transaction.prototype._checkConsistency=function(arg){_.isUndefined(this._changeIndex)||($.checkState(this._changeScript),$.checkState(this.outputs[this._changeIndex]),$.checkState(this.outputs[this._changeIndex].script.toString()===this._changeScript.toString())),arg&&arg.hash&&$.checkState(arg.hash===this.hash,"Hash in object does not match transaction hash")},Transaction.prototype.lockUntilDate=function(time){if($.checkArgument(time),_.isNumber(time)&&time<Transaction.NLOCKTIME_BLOCKHEIGHT_LIMIT)throw new errors.Transaction.LockTimeTooEarly;_.isDate(time)&&(time=time.getTime()/1e3);for(var i=0;i<this.inputs.length;i++)this.inputs[i].sequenceNumber===Input.DEFAULT_SEQNUMBER&&(this.inputs[i].sequenceNumber=Input.DEFAULT_LOCKTIME_SEQNUMBER);return this.nLockTime=time,this},Transaction.prototype.lockUntilBlockHeight=function(height){if($.checkArgument(_.isNumber(height)),height>=Transaction.NLOCKTIME_BLOCKHEIGHT_LIMIT)throw new errors.Transaction.BlockHeightTooHigh;if(height<0)throw new errors.Transaction.NLockTimeOutOfRange;for(var i=0;i<this.inputs.length;i++)this.inputs[i].sequenceNumber===Input.DEFAULT_SEQNUMBER&&(this.inputs[i].sequenceNumber=Input.DEFAULT_LOCKTIME_SEQNUMBER);return this.nLockTime=height,this},Transaction.prototype.getLockTime=function(){return this.nLockTime?this.nLockTime<Transaction.NLOCKTIME_BLOCKHEIGHT_LIMIT?this.nLockTime:new Date(1e3*this.nLockTime):null},Transaction.prototype.fromString=function(string){this.fromBuffer(new buffer.Buffer(string,"hex"))},Transaction.prototype._newTransaction=function(){this.version=1,this.nLockTime=0},Transaction.prototype.from=function(utxo,pubkeys,threshold){if(_.isArray(utxo)){var self=this;return _.each(utxo,function(utxo){self.from(utxo,pubkeys,threshold)}),this}return _.some(this.inputs,function(input){return input.prevTxId.toString("hex")===utxo.txId&&input.outputIndex===utxo.outputIndex})?this:(pubkeys&&threshold?this._fromMultisigUtxo(utxo,pubkeys,threshold):this._fromNonP2SH(utxo),this)},Transaction.prototype._fromNonP2SH=function(utxo){var clazz;clazz=(utxo=new UnspentOutput(utxo)).script.isPublicKeyHashOut()?PublicKeyHashInput:utxo.script.isPublicKeyOut()?PublicKeyInput:Input,this.addInput(new clazz({output:new Output({script:utxo.script,satoshis:utxo.satoshis}),prevTxId:utxo.txId,outputIndex:utxo.outputIndex,script:Script.empty()}))},Transaction.prototype._fromMultisigUtxo=function(utxo,pubkeys,threshold){$.checkArgument(threshold<=pubkeys.length,"Number of required signatures must be greater than the number of public keys");var clazz;if((utxo=new UnspentOutput(utxo)).script.isMultisigOut())clazz=MultiSigInput;else{if(!utxo.script.isScriptHashOut())throw new Error("@TODO");clazz=MultiSigScriptHashInput}this.addInput(new clazz({output:new Output({script:utxo.script,satoshis:utxo.satoshis}),prevTxId:utxo.txId,outputIndex:utxo.outputIndex,script:Script.empty()},pubkeys,threshold))},Transaction.prototype.addInput=function(input,outputScript,satoshis){if($.checkArgumentType(input,Input,"input"),!input.output&&(_.isUndefined(outputScript)||_.isUndefined(satoshis)))throw new errors.Transaction.NeedMoreInfo("Need information about the UTXO script and satoshis");return input.output||!outputScript||_.isUndefined(satoshis)||(outputScript=outputScript instanceof Script?outputScript:new Script(outputScript),$.checkArgumentType(satoshis,"number","satoshis"),input.output=new Output({script:outputScript,satoshis:satoshis})),this.uncheckedAddInput(input)},Transaction.prototype.uncheckedAddInput=function(input){return $.checkArgumentType(input,Input,"input"),this.inputs.push(input),this._inputAmount=void 0,this._updateChangeOutput(),this},Transaction.prototype.hasAllUtxoInfo=function(){return _.every(this.inputs.map(function(input){return!!input.output}))},Transaction.prototype.fee=function(amount){return $.checkArgument(_.isNumber(amount),"amount must be a number"),this._fee=amount,this._updateChangeOutput(),this},Transaction.prototype.feePerKb=function(amount){return $.checkArgument(_.isNumber(amount),"amount must be a number"),this._feePerKb=amount,this._updateChangeOutput(),this},Transaction.prototype.change=function(address){return $.checkArgument(address,"address is required"),this._changeScript=Script.fromAddress(address),this._updateChangeOutput(),this},Transaction.prototype.getChangeOutput=function(){return _.isUndefined(this._changeIndex)?null:this.outputs[this._changeIndex]},Transaction.prototype.to=function(address,amount){if(_.isArray(address)){var self=this;return _.each(address,function(to){self.to(to.address,to.satoshis)}),this}return $.checkArgument(JSUtil.isNaturalNumber(amount),"Amount is expected to be a positive integer"),this.addOutput(new Output({script:Script(new Address(address)),satoshis:amount})),this},Transaction.prototype.addData=function(value){return this.addOutput(new Output({script:Script.buildDataOut(value),satoshis:0})),this},Transaction.prototype.addOutput=function(output){return $.checkArgumentType(output,Output,"output"),this._addOutput(output),this._updateChangeOutput(),this},Transaction.prototype.clearOutputs=function(){return this.outputs=[],this._clearSignatures(),this._outputAmount=void 0,this._changeIndex=void 0,this._updateChangeOutput(),this},Transaction.prototype._addOutput=function(output){this.outputs.push(output),this._outputAmount=void 0},Transaction.prototype._getOutputAmount=function(){if(_.isUndefined(this._outputAmount)){var self=this;this._outputAmount=0,_.each(this.outputs,function(output){self._outputAmount+=output.satoshis})}return this._outputAmount},Transaction.prototype._getInputAmount=function(){if(_.isUndefined(this._inputAmount)){var self=this;this._inputAmount=0,_.each(this.inputs,function(input){if(_.isUndefined(input.output))throw new errors.Transaction.Input.MissingPreviousOutput;self._inputAmount+=input.output.satoshis})}return this._inputAmount},Transaction.prototype._updateChangeOutput=function(){if(this._changeScript){this._clearSignatures(),_.isUndefined(this._changeIndex)||this._removeOutput(this._changeIndex);var changeAmount=this._getUnspentValue()-this.getFee();changeAmount>0?(this._changeIndex=this.outputs.length,this._addOutput(new Output({script:this._changeScript,satoshis:changeAmount}))):this._changeIndex=void 0}},Transaction.prototype.getFee=function(){return this.isCoinbase()?0:_.isUndefined(this._fee)?this._changeScript?this._estimateFee():this._getUnspentValue():this._fee},Transaction.prototype._estimateFee=function(){var estimatedSize=this._estimateSize(),available=this._getUnspentValue();return Transaction._estimateFee(estimatedSize,available,this._feePerKb)},Transaction.prototype._getUnspentValue=function(){return this._getInputAmount()-this._getOutputAmount()},Transaction.prototype._clearSignatures=function(){_.each(this.inputs,function(input){input.clearSignatures()})},Transaction._estimateFee=function(size,amountAvailable,feePerKb){return amountAvailable>Math.ceil(size/1e3)*(feePerKb||Transaction.FEE_PER_KB)&&(size+=Transaction.CHANGE_OUTPUT_MAX_SIZE),Math.ceil(size/1e3)*(feePerKb||Transaction.FEE_PER_KB)},Transaction.prototype._estimateSize=function(){var result=Transaction.MAXIMUM_EXTRA_SIZE;return _.each(this.inputs,function(input){result+=input._estimateSize()}),_.each(this.outputs,function(output){result+=output.script.toBuffer().length+9}),result},Transaction.prototype._removeOutput=function(index){var output=this.outputs[index];this.outputs=_.without(this.outputs,output),this._outputAmount=void 0},Transaction.prototype.removeOutput=function(index){this._removeOutput(index),this._updateChangeOutput()},Transaction.prototype.sort=function(){return this.sortInputs(function(inputs){var copy=Array.prototype.concat.apply([],inputs);return copy.sort(function(first,second){return compare(first.prevTxId,second.prevTxId)||first.outputIndex-second.outputIndex}),copy}),this.sortOutputs(function(outputs){var copy=Array.prototype.concat.apply([],outputs);return copy.sort(function(first,second){return first.satoshis-second.satoshis||compare(first.script.toBuffer(),second.script.toBuffer())}),copy}),this},Transaction.prototype.shuffleOutputs=function(){return this.sortOutputs(_.shuffle)},Transaction.prototype.sortOutputs=function(sortingFunction){var outs=sortingFunction(this.outputs);return this._newOutputOrder(outs)},Transaction.prototype.sortInputs=function(sortingFunction){return this.inputs=sortingFunction(this.inputs),this._clearSignatures(),this},Transaction.prototype._newOutputOrder=function(newOutputs){if(this.outputs.length!==newOutputs.length||0!==_.difference(this.outputs,newOutputs).length)throw new errors.Transaction.InvalidSorting;if(!_.isUndefined(this._changeIndex)){var changeOutput=this.outputs[this._changeIndex];this._changeIndex=_.findIndex(newOutputs,changeOutput)}return this.outputs=newOutputs,this},Transaction.prototype.removeInput=function(txId,outputIndex){var index;if((index=!outputIndex&&_.isNumber(txId)?txId:_.findIndex(this.inputs,function(input){return input.prevTxId.toString("hex")===txId&&input.outputIndex===outputIndex}))<0||index>=this.inputs.length)throw new errors.Transaction.InvalidIndex(index,this.inputs.length);var input=this.inputs[index];this.inputs=_.without(this.inputs,input),this._inputAmount=void 0,this._updateChangeOutput()},Transaction.prototype.sign=function(privateKey,sigtype){$.checkState(this.hasAllUtxoInfo());var self=this;return _.isArray(privateKey)?(_.each(privateKey,function(privateKey){self.sign(privateKey,sigtype)}),this):(_.each(this.getSignatures(privateKey,sigtype),function(signature){self.applySignature(signature)}),this)},Transaction.prototype.getSignatures=function(privKey,sigtype){privKey=new PrivateKey(privKey),sigtype=sigtype||Signature.SIGHASH_ALL|Signature.SIGHASH_FORKID;var transaction=this,results=[],hashData=Hash.sha256ripemd160(privKey.publicKey.toBuffer());return _.each(this.inputs,function(input,index){_.each(input.getSignatures(transaction,privKey,index,sigtype,hashData),function(signature){results.push(signature)})}),results},Transaction.prototype.applySignature=function(signature){return this.inputs[signature.inputIndex].addSignature(this,signature),this},Transaction.prototype.isFullySigned=function(){return _.each(this.inputs,function(input){if(input.isFullySigned===Input.prototype.isFullySigned)throw new errors.Transaction.UnableToVerifySignature("Unrecognized script kind, or not enough information to execute script.This usually happens when creating a transaction from a serialized transaction")}),_.every(_.map(this.inputs,function(input){return input.isFullySigned()}))},Transaction.prototype.isValidSignature=function(signature){if(this.inputs[signature.inputIndex].isValidSignature===Input.prototype.isValidSignature)throw new errors.Transaction.UnableToVerifySignature("Unrecognized script kind, or not enough information to execute script.This usually happens when creating a transaction from a serialized transaction");return this.inputs[signature.inputIndex].isValidSignature(this,signature)},Transaction.prototype.verifySignature=function(sig,pubkey,nin,subscript){return Sighash.verify(this,sig,pubkey,nin,subscript)},Transaction.prototype.verify=function(){if(0===this.inputs.length)return"transaction txins empty";if(0===this.outputs.length)return"transaction txouts empty";for(var valueoutbn=new BN(0),i=0;i<this.outputs.length;i++){var txout=this.outputs[i];if(txout.invalidSatoshis())return"transaction txout "+i+" satoshis is invalid";if(txout._satoshisBN.gt(new BN(Transaction.MAX_MONEY,10)))return"transaction txout "+i+" greater than MAX_MONEY";if((valueoutbn=valueoutbn.add(txout._satoshisBN)).gt(new BN(Transaction.MAX_MONEY)))return"transaction txout "+i+" total output greater than MAX_MONEY"}if(this.toBuffer().length>1e6)return"transaction over the maximum block size";var txinmap={};for(i=0;i<this.inputs.length;i++){var txin=this.inputs[i],inputid=txin.prevTxId+":"+txin.outputIndex;if(!_.isUndefined(txinmap[inputid]))return"transaction input "+i+" duplicate input";txinmap[inputid]=!0}if(this.isCoinbase()){var buf=this.inputs[0]._scriptBuffer;if(buf.length<2||buf.length>100)return"coinbase transaction script size invalid"}else for(i=0;i<this.inputs.length;i++)if(this.inputs[i].isNull())return"transaction input "+i+" has null input";return!0},Transaction.prototype.isCoinbase=function(){return 1===this.inputs.length&&this.inputs[0].isNull()},Transaction.prototype.isRBF=function(){for(var i=0;i<this.inputs.length;i++){if(this.inputs[i].sequenceNumber<Input.MAXINT-1)return!0}return!1},Transaction.prototype.enableRBF=function(){for(var i=0;i<this.inputs.length;i++){var input=this.inputs[i];input.sequenceNumber>=Input.MAXINT-1&&(input.sequenceNumber=Input.DEFAULT_RBF_SEQNUMBER)}return this},module.exports=Transaction}).call(this,require("buffer").Buffer)},{"../address":214,"../crypto/bn":220,"../crypto/hash":222,"../crypto/signature":225,"../encoding/bufferreader":228,"../encoding/bufferwriter":229,"../errors":231,"../privatekey":248,"../script":250,"../util/buffer":267,"../util/js":268,"../util/preconditions":269,"./input":254,"./output":260,"./sighash":261,"./unspentoutput":264,buffer:70,"buffer-compare":68,lodash:148}],264:[function(require,module,exports){"use strict";var _=require("lodash"),$=require("../util/preconditions"),JSUtil=require("../util/js"),Script=require("../script"),Address=require("../address"),Unit=require("../unit");function UnspentOutput(data){if(!(this instanceof UnspentOutput))return new UnspentOutput(data);$.checkArgument(_.isObject(data),"Must provide an object from where to extract data");var address=data.address?new Address(data.address):void 0,txId=data.txid?data.txid:data.txId;if(!txId||!JSUtil.isHexaString(txId)||txId.length>64)throw new Error("Invalid TXID in object",data);var outputIndex=_.isUndefined(data.vout)?data.outputIndex:data.vout;if(!_.isNumber(outputIndex))throw new Error("Invalid outputIndex, received "+outputIndex);$.checkArgument(!_.isUndefined(data.scriptPubKey)||!_.isUndefined(data.script),"Must provide the scriptPubKey for that output!");var script=new Script(data.scriptPubKey||data.script);$.checkArgument(!_.isUndefined(data.amount)||!_.isUndefined(data.satoshis),"Must provide an amount for the output");var amount=_.isUndefined(data.amount)?data.satoshis:new Unit.fromBTC(data.amount).toSatoshis();$.checkArgument(_.isNumber(amount),"Amount must be a number"),JSUtil.defineImmutable(this,{address:address,txId:txId,outputIndex:outputIndex,script:script,satoshis:amount})}UnspentOutput.prototype.inspect=function(){return"<UnspentOutput: "+this.txId+":"+this.outputIndex+", satoshis: "+this.satoshis+", address: "+this.address+">"},UnspentOutput.prototype.toString=function(){return this.txId+":"+this.outputIndex},UnspentOutput.fromObject=function(data){return new UnspentOutput(data)},UnspentOutput.prototype.toObject=UnspentOutput.prototype.toJSON=function(){return{address:this.address?this.address.toString():void 0,txid:this.txId,vout:this.outputIndex,scriptPubKey:this.script.toBuffer().toString("hex"),amount:Unit.fromSatoshis(this.satoshis).toBTC()}},module.exports=UnspentOutput},{"../address":214,"../script":250,"../unit":265,"../util/js":268,"../util/preconditions":269,lodash:148}],265:[function(require,module,exports){"use strict";var _=require("lodash"),errors=require("./errors"),$=require("./util/preconditions"),UNITS={BTC:[1e8,8],mBTC:[1e5,5],uBTC:[100,2],bits:[100,2],satoshis:[1,0]};function Unit(amount,code){if(!(this instanceof Unit))return new Unit(amount,code);if(_.isNumber(code)){if(code<=0)throw new errors.Unit.InvalidRate(code);amount/=code,code=Unit.BTC}this._value=this._from(amount,code);var self=this;Object.keys(UNITS).forEach(function(key){Object.defineProperty(self,key,{get:function(){return self.to(key)},enumerable:!0})})}Object.keys(UNITS).forEach(function(key){Unit[key]=key}),Unit.fromObject=function(data){return $.checkArgument(_.isObject(data),"Argument is expected to be an object"),new Unit(data.amount,data.code)},Unit.fromBTC=function(amount){return new Unit(amount,Unit.BTC)},Unit.fromMillis=Unit.fromMilis=function(amount){return new Unit(amount,Unit.mBTC)},Unit.fromMicros=Unit.fromBits=function(amount){return new Unit(amount,Unit.bits)},Unit.fromSatoshis=function(amount){return new Unit(amount,Unit.satoshis)},Unit.fromFiat=function(amount,rate){return new Unit(amount,rate)},Unit.prototype._from=function(amount,code){if(!UNITS[code])throw new errors.Unit.UnknownCode(code);return parseInt((amount*UNITS[code][0]).toFixed())},Unit.prototype.to=function(code){if(_.isNumber(code)){if(code<=0)throw new errors.Unit.InvalidRate(code);return parseFloat((this.BTC*code).toFixed(2))}if(!UNITS[code])throw new errors.Unit.UnknownCode(code);var value=this._value/UNITS[code][0];return parseFloat(value.toFixed(UNITS[code][1]))},Unit.prototype.toBTC=function(){return this.to(Unit.BTC)},Unit.prototype.toMillis=Unit.prototype.toMilis=function(){return this.to(Unit.mBTC)},Unit.prototype.toMicros=Unit.prototype.toBits=function(){return this.to(Unit.bits)},Unit.prototype.toSatoshis=function(){return this.to(Unit.satoshis)},Unit.prototype.atRate=function(rate){return this.to(rate)},Unit.prototype.toString=function(){return this.satoshis+" satoshis"},Unit.prototype.toObject=Unit.prototype.toJSON=function(){return{amount:this.BTC,code:Unit.BTC}},Unit.prototype.inspect=function(){return"<Unit: "+this.toString()+">"},module.exports=Unit},{"./errors":231,"./util/preconditions":269,lodash:148}],266:[function(require,module,exports){"use strict";var _=require("lodash"),URL=require("url"),Address=require("./address"),Unit=require("./unit"),URI=function(data,knownParams){if(!(this instanceof URI))return new URI(data,knownParams);if(this.extras={},this.knownParams=knownParams||[],this.address=this.network=this.amount=this.message=null,"string"==typeof data){var params=URI.parse(data);params.amount&&(params.amount=this._parseAmount(params.amount)),this._fromObject(params)}else{if("object"!=typeof data)throw new TypeError("Unrecognized data format.");this._fromObject(data)}};URI.fromString=function(str){if("string"!=typeof str)throw new TypeError("Expected a string");return new URI(str)},URI.fromObject=function(json){return new URI(json)},URI.isValid=function(arg,knownParams){try{new URI(arg,knownParams)}catch(err){return!1}return!0},URI.parse=function(uri){var info=URL.parse(uri,!0);if("bitcoincash:"!==info.protocol)throw new TypeError("Invalid bitcoin cash URI");var group=/[^:]*:\/?\/?([^?]*)/.exec(uri);return info.query.address=group&&group[1]||void 0,info.query},URI.Members=["address","amount","message","label","r"],URI.prototype._fromObject=function(obj){if(!Address.isValid(obj.address))throw new TypeError("Invalid bitcoin address");this.address=new Address(obj.address),this.network=this.address.network,this.amount=obj.amount;for(var key in obj)if("address"!==key&&"amount"!==key){if(/^req-/.exec(key)&&-1===this.knownParams.indexOf(key))throw Error("Unknown required argument "+key);(URI.Members.indexOf(key)>-1?this:this.extras)[key]=obj[key]}},URI.prototype._parseAmount=function(amount){if(amount=Number(amount),isNaN(amount))throw new TypeError("Invalid amount");return Unit.fromBTC(amount).toSatoshis()},URI.prototype.toObject=URI.prototype.toJSON=function(){for(var json={},i=0;i<URI.Members.length;i++){var m=URI.Members[i];this.hasOwnProperty(m)&&void 0!==this[m]&&(json[m]=this[m].toString())}return _.extend(json,this.extras),json},URI.prototype.toString=function(){var query={};return this.amount&&(query.amount=Unit.fromSatoshis(this.amount).toBTC()),this.message&&(query.message=this.message),this.label&&(query.label=this.label),this.r&&(query.r=this.r),_.extend(query,this.extras),URL.format({protocol:"bitcoincash:",host:this.address,query:query})},URI.prototype.inspect=function(){return"<URI: "+this.toString()+">"},module.exports=URI},{"./address":214,"./unit":265,lodash:148,url:207}],267:[function(require,module,exports){(function(Buffer){"use strict";var buffer=require("buffer"),assert=require("assert"),js=require("./js"),$=require("./preconditions");function equals(a,b){if(a.length!==b.length)return!1;for(var length=a.length,i=0;i<length;i++)if(a[i]!==b[i])return!1;return!0}module.exports={fill:function(buffer,value){$.checkArgumentType(buffer,"Buffer","buffer"),$.checkArgumentType(value,"number","value");for(var length=buffer.length,i=0;i<length;i++)buffer[i]=value;return buffer},copy:function(original){var buffer=new Buffer(original.length);return original.copy(buffer),buffer},isBuffer:function(arg){return buffer.Buffer.isBuffer(arg)||arg instanceof Uint8Array},emptyBuffer:function(bytes){$.checkArgumentType(bytes,"number","bytes");for(var result=new buffer.Buffer(bytes),i=0;i<bytes;i++)result.write("\0",i);return result},concat:buffer.Buffer.concat,equals:equals,equal:equals,integerAsSingleByteBuffer:function(integer){return $.checkArgumentType(integer,"number","integer"),new buffer.Buffer([255&integer])},integerAsBuffer:function(integer){$.checkArgumentType(integer,"number","integer");var bytes=[];return bytes.push(integer>>24&255),bytes.push(integer>>16&255),bytes.push(integer>>8&255),bytes.push(255&integer),new Buffer(bytes)},integerFromBuffer:function(buffer){return $.checkArgumentType(buffer,"Buffer","buffer"),buffer[0]<<24|buffer[1]<<16|buffer[2]<<8|buffer[3]},integerFromSingleByteBuffer:function(buffer){return $.checkArgumentType(buffer,"Buffer","buffer"),buffer[0]},bufferToHex:function(buffer){return $.checkArgumentType(buffer,"Buffer","buffer"),buffer.toString("hex")},reverse:function(param){for(var ret=new buffer.Buffer(param.length),i=0;i<param.length;i++)ret[i]=param[param.length-i-1];return ret},hexToBuffer:function(string){return assert(js.isHexa(string)),new buffer.Buffer(string,"hex")}},module.exports.NULL_HASH=module.exports.fill(new Buffer(32),0),module.exports.EMPTY_BUFFER=new Buffer(0)}).call(this,require("buffer").Buffer)},{"./js":268,"./preconditions":269,assert:16,buffer:70}],268:[function(require,module,exports){"use strict";var _=require("lodash"),isHexa=function(value){return!!_.isString(value)&&/^[0-9a-fA-F]+$/.test(value)};module.exports={isValidJSON:function(arg){var parsed;if(!_.isString(arg))return!1;try{parsed=JSON.parse(arg)}catch(e){return!1}return"object"==typeof parsed},isHexa:isHexa,isHexaString:isHexa,cloneArray:function(array){return[].concat(array)},defineImmutable:function(target,values){return Object.keys(values).forEach(function(key){Object.defineProperty(target,key,{configurable:!1,enumerable:!0,value:values[key]})}),target},isNaturalNumber:function(value){return"number"==typeof value&&isFinite(value)&&Math.floor(value)===value&&value>=0}}},{lodash:148}],269:[function(require,module,exports){"use strict";var errors=require("../errors"),_=require("lodash");module.exports={checkState:function(condition,message){if(!condition)throw new errors.InvalidState(message)},checkArgument:function(condition,argumentName,message,docsPath){if(!condition)throw new errors.InvalidArgument(argumentName,message,docsPath)},checkArgumentType:function(argument,type,argumentName){if(argumentName=argumentName||"(unknown name)",_.isString(type)){if("Buffer"===type){if(!require("buffer").Buffer.isBuffer(argument))throw new errors.InvalidArgumentType(argument,type,argumentName)}else if(typeof argument!==type)throw new errors.InvalidArgumentType(argument,type,argumentName)}else if(!(argument instanceof type))throw new errors.InvalidArgumentType(argument,type.name,argumentName)}}},{"../errors":231,buffer:70,lodash:148}]},{},[215])(215)});
diff --git a/dist/bitcoincashjs.0.1.9.min.js b/dist/bitcoincashjs.0.1.9.min.js
deleted file mode 100644
index 1fe218e..0000000
--- a/dist/bitcoincashjs.0.1.9.min.js
+++ /dev/null
@@ -1 +0,0 @@
-(function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"==typeof window?"undefined"==typeof global?"undefined"==typeof self?this:self:global:window,t.bch=e()}})(function(){var t=Math.LN2,r=Math.log,o=Math.pow,s=Math.abs,e=Math.clz32,f=Math.max,a=String.fromCharCode,p=Math.ceil,n=Math.round,u=Math.min,h=Math.floor,d,i,c;return function d(c,e,t){function r(i,o){if(!e[i]){if(!c[i]){var s="function"==typeof require&&require;if(!o&&s)return s(i,!0);if(n)return n(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var f=e[i]={exports:{}};c[i][0].call(f.exports,function(t){var e=c[i][1][t];return r(e?e:t)},f,f.exports,d,c,e,t)}return e[i].exports}for(var n="function"==typeof require&&require,a=0;a<t.length;a++)r(t[a]);return r}({1:[function(e,t){(function(r){"use strict";function a(e){if(Array.isArray(e)){for(var t=0,r=Array(e.length);t<e.length;t++)r[t]=e[t];return r}return Array.from(e)}function o(e,t,r){if(!(this instanceof o))return new o(e,t,r);if(n.isArray(e)&&n.isNumber(t))return o.createMultisig(e,t,r);if(e instanceof o)return e;if(i.checkArgument(e,"First argument is required, please include address data.","guide/address.html"),t&&!f.get(t))throw new TypeError("Second argument must be \"livenet\" or \"testnet\".");if(r&&r!==o.PayToPublicKeyHash&&r!==o.PayToScriptHash)throw new TypeError("Third argument must be \"pubkeyhash\" or \"scripthash\".");var a=this._classifyArguments(e,t,r);return a.network=a.network||f.get(t)||f.defaultNetwork,a.type=a.type||r||o.PayToPublicKeyHash,u.defineImmutable(this,{hashBuffer:a.hashBuffer,network:a.network,type:a.type}),this}var n=e("lodash"),i=e("./util/preconditions"),d=e("cashaddrjs"),s=e("./errors"),c=e("./encoding/base58check"),f=e("./networks"),p=e("./crypto/hash"),u=e("./util/js"),l=e("./publickey"),b=28,h=40;o.prototype._classifyArguments=function(e,t,a){if((e instanceof r||e instanceof Uint8Array)&&20===e.length)return o._transformHash(e);if((e instanceof r||e instanceof Uint8Array)&&21===e.length)return o._transformBuffer(e,t,a);if(e instanceof l)return o._transformPublicKey(e);if(e instanceof g)return o._transformScript(e,t);if("string"==typeof e)return o._transformString(e,t,a,o.DefaultFormat);if(n.isObject(e))return o._transformObject(e);throw new TypeError("First argument is an unrecognized data format.")},o.LegacyFormat="legacy",o.BitpayFormat="bitpay",o.CashAddrFormat="cashaddr",o.DefaultFormat=o.LegacyFormat,o.PayToPublicKeyHash="pubkeyhash",o.PayToScriptHash="scripthash",o._transformHash=function(e){var t={};if(!(e instanceof r)&&!(e instanceof Uint8Array))throw new TypeError("Address supplied is not a buffer.");if(20!==e.length)throw new TypeError("Address hashbuffers must be exactly 20 bytes.");return t.hashBuffer=e,t},o._transformObject=function(e){return i.checkArgument(e.hash||e.hashBuffer,"Must provide a `hash` or `hashBuffer` property"),i.checkArgument(e.type,"Must provide a `type` property"),{hashBuffer:e.hash?new r(e.hash,"hex"):e.hashBuffer,network:f.get(e.network)||f.defaultNetwork,type:e.type}},o._classifyFromVersion=function(e){var t={},r=f.get(e[0],"pubkeyhash"),a=f.get(e[0],"scripthash");return r?(t.network=r,t.type=o.PayToPublicKeyHash):a&&(t.network=a,t.type=o.PayToScriptHash),t},o._transformBuffer=function(e,t,a){var n={};if(!(e instanceof r)&&!(e instanceof Uint8Array))throw new TypeError("Address supplied is not a buffer.");if(21!==e.length)throw new TypeError("Address buffers must be exactly 21 bytes.");t=f.get(t);var i=o._classifyFromVersion(e);if(!i.network||t&&t!==i.network)throw new TypeError("Address has mismatched network type.");if(!i.type||a&&a!==i.type)throw new TypeError("Address has mismatched type.");return n.hashBuffer=e.slice(1),n.network=i.network,n.type=i.type,n},o._transformPublicKey=function(e){var t={};if(!(e instanceof l))throw new TypeError("Address must be an instance of PublicKey.");return t.hashBuffer=p.sha256ripemd160(e.toBuffer()),t.type=o.PayToPublicKeyHash,t},o._transformScript=function(e,t){i.checkArgument(e instanceof g,"script must be a Script instance");var r=e.getAddressInfo(t);if(!r)throw new s.Script.CantDeriveAddress(e);return r},o.createMultisig=function(e,t,r){return r=r||e[0].network||f.defaultNetwork,o.payingTo(g.buildMultisigOut(e,t),r)},o._transformString=function(e,t,r,a){if("string"!=typeof e)throw new TypeError("data parameter supplied is not a string.");if(e=e.trim(),a===o.LegacyFormat)return o._transformStringLegacy(e,t,r);if(a===o.BitpayFormat)return o._transformStringBitpay(e,t,r);if(a===o.CashAddrFormat)return o._transformStringCashAddr(e,t,r);throw new TypeError("Unrecognized address format.")},o._transformStringLegacy=function(e,t,r){var a=c.decode(e);return o._transformBuffer(a,t,r)},o._transformStringBitpay=function(e,t,r){var a=c.decode(e);return a[0]===b?a[0]=0:a[0]===h&&(a[0]=5),o._transformBuffer(a,t,r)},o._transformStringCashAddr=function(e,t,a){"string"==typeof t||(t=t.toString());var n=d.decode(e);i.checkArgument(!t||"livenet"===t&&"bitcoincash"===n.prefix||"testnet"===t&&"bchtest"===n.prefix,"Invalid network."),i.checkArgument(!a||a===o.PayToPublicKeyHash&&"P2PKH"===n.type||a===o.PayToScriptHash&&"P2SH"===n.type,"Invalid type."),t=f.get(t||("bitcoincash"===n.prefix?"livenet":"testnet")),a=a||("P2PKH"===n.type?o.PayToPublicKeyHash:o.PayToScriptHash);var s=new r([t[a]]),c=new r(n.hash),p=r.concat([s,c]);return o._transformBuffer(p,t,a)},o.fromPublicKey=function(e,t){var r=o._transformPublicKey(e);return t=t||f.defaultNetwork,new o(r.hashBuffer,t,r.type)},o.fromPublicKeyHash=function(e,t){var r=o._transformHash(e);return new o(r.hashBuffer,t,o.PayToPublicKeyHash)},o.fromScriptHash=function(e,t){i.checkArgument(e,"hash parameter is required");var r=o._transformHash(e);return new o(r.hashBuffer,t,o.PayToScriptHash)},o.payingTo=function(e,t){return i.checkArgument(e,"script is required"),i.checkArgument(e instanceof g,"script must be instance of Script"),o.fromScriptHash(p.sha256ripemd160(e.toBuffer()),t)},o.fromScript=function(e,t){i.checkArgument(e instanceof g,"script must be a Script instance");var r=o._transformScript(e,t);return new o(r.hashBuffer,t,r.type)},o.fromBuffer=function(e,t,r){var a=o._transformBuffer(e,t,r);return new o(a.hashBuffer,a.network,a.type)},o.fromString=function(e,t,r,a){a=a||o.DefaultFormat;var n=o._transformString(e,t,r,a);return new o(n.hashBuffer,n.network,n.type)},o.fromObject=function(e){i.checkState(u.isHexa(e.hash),"Unexpected hash property, \""+e.hash+"\", expected to be hex.");var t=new r(e.hash,"hex");return new o(t,e.network,e.type)},o.getValidationError=function(e,t,r){var a;try{new o(e,t,r)}catch(t){a=t}return a},o.isValid=function(e,t,r){return!o.getValidationError(e,t,r)},o.prototype.isPayToPublicKeyHash=function(){return this.type===o.PayToPublicKeyHash},o.prototype.isPayToScriptHash=function(){return this.type===o.PayToScriptHash},o.prototype.toBuffer=function(){var e=new r([this.network[this.type]]),t=r.concat([e,this.hashBuffer]);return t},o.prototype.toObject=o.prototype.toJSON=function(){return{hash:this.hashBuffer.toString("hex"),type:this.type,network:this.network.toString()}},o.prototype.toString=function(e){if(e=e||o.DefaultFormat,e===o.LegacyFormat)return this._toStringLegacy();if(e===o.BitpayFormat)return this._toStringBitpay();if(e===o.CashAddrFormat)return this._toStringCashAddr();throw new TypeError("Unrecognized address format.")},o.prototype._toStringLegacy=function(){return c.encode(this.toBuffer())},o.prototype._toStringBitpay=function(){var e=this.toBuffer();return"livenet"===this.network.toString()&&(this.type===o.PayToPublicKeyHash?e[0]=b:this.type===o.PayToScriptHash&&(e[0]=h)),c.encode(e)},o.prototype._toStringCashAddr=function(){var e="livenet"===this.network.toString()?"bitcoincash":"bchtest",t=this.type===o.PayToPublicKeyHash?"P2PKH":"P2SH",r=[].concat(a(this.hashBuffer));return d.encode(e,t,r)},o.prototype.inspect=function(){return"<Address: "+this.toString()+", type: "+this.type+", network: "+this.network+">"},t.exports=o;var g=e("./script")}).call(this,e("buffer").Buffer)},{"./crypto/hash":9,"./encoding/base58check":14,"./errors":18,"./networks":33,"./publickey":36,"./script":37,"./util/js":55,"./util/preconditions":56,buffer:126,cashaddrjs:128,lodash:204}],2:[function(e,t){(function(r,a){"use strict";var o=t.exports;o.version="v"+e("../package.json").version,o.versionGuard=function(e){if(e!==void 0){throw new Error("More than one instance of bitcoincashjs found. Please make sure to require bitcoincashjs and check that submodules do not also include their own bitcoincashjs dependency.")}},o.versionGuard(r._bch),r._bch=o.version,o.crypto={},o.crypto.BN=e("./crypto/bn"),o.crypto.ECDSA=e("./crypto/ecdsa"),o.crypto.Hash=e("./crypto/hash"),o.crypto.Random=e("./crypto/random"),o.crypto.Point=e("./crypto/point"),o.crypto.Signature=e("./crypto/signature"),o.encoding={},o.encoding.Base58=e("./encoding/base58"),o.encoding.Base58Check=e("./encoding/base58check"),o.encoding.BufferReader=e("./encoding/bufferreader"),o.encoding.BufferWriter=e("./encoding/bufferwriter"),o.encoding.Varint=e("./encoding/varint"),o.util={},o.util.buffer=e("./util/buffer"),o.util.js=e("./util/js"),o.util.preconditions=e("./util/preconditions"),o.errors=e("./errors"),o.Address=e("./address"),o.Block=e("./block"),o.BlockHeader=e("./block/blockheader"),o.HDPrivateKey=e("./hdprivatekey.js"),o.HDPublicKey=e("./hdpublickey.js"),o.MerkleBlock=e("./block/merkleblock"),o.Message=e("./message"),o.Mnemonic=e("./mnemonic"),o.Networks=e("./networks"),o.Opcode=e("./opcode"),o.PrivateKey=e("./privatekey"),o.PublicKey=e("./publickey"),o.Script=e("./script"),o.Transaction=e("./transaction"),o.Unit=e("./unit"),o.URI=e("./uri"),o.deps={},o.deps.bnjs=e("bn.js"),o.deps.bs58=e("bs58"),o.deps.Buffer=a,o.deps.elliptic=e("elliptic"),o.deps._=e("lodash"),o.Transaction.sighash=e("./transaction/sighash")}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global,e("buffer").Buffer)},{"../package.json":269,"./address":1,"./block":5,"./block/blockheader":4,"./block/merkleblock":6,"./crypto/bn":7,"./crypto/ecdsa":8,"./crypto/hash":9,"./crypto/point":10,"./crypto/random":11,"./crypto/signature":12,"./encoding/base58":13,"./encoding/base58check":14,"./encoding/bufferreader":15,"./encoding/bufferwriter":16,"./encoding/varint":17,"./errors":18,"./hdprivatekey.js":20,"./hdpublickey.js":21,"./message":22,"./mnemonic":23,"./networks":33,"./opcode":34,"./privatekey":35,"./publickey":36,"./script":37,"./transaction":40,"./transaction/sighash":48,"./unit":52,"./uri":53,"./util/buffer":54,"./util/js":55,"./util/preconditions":56,"bn.js":75,bs58:123,buffer:126,elliptic:168,lodash:204}],3:[function(e,t){(function(r){"use strict";function a(e){return this instanceof a?(o.extend(this,a._from(e)),this):new a(e)}var o=e("lodash"),n=e("./blockheader"),i=e("../crypto/bn"),d=e("../util/buffer"),s=e("../encoding/bufferreader"),c=e("../encoding/bufferwriter"),f=e("../crypto/hash"),p=e("../transaction"),l=e("../util/preconditions");a.MAX_BLOCK_SIZE=1e6,a._from=function(e){var t={};if(d.isBuffer(e))t=a._fromBufferReader(s(e));else if(o.isObject(e))t=a._fromObject(e);else throw new TypeError("Unrecognized argument for Block");return t},a._fromObject=function(e){var t=[];e.transactions.forEach(function(e){e instanceof p?t.push(e):t.push(p().fromObject(e))});var r={header:n.fromObject(e.header),transactions:t};return r},a.fromObject=function(e){var t=a._fromObject(e);return new a(t)},a._fromBufferReader=function(e){var t={};l.checkState(!e.finished(),"No block data received"),t.header=n.fromBufferReader(e);var r=e.readVarintNum();t.transactions=[];for(var a=0;a<r;a++)t.transactions.push(p().fromBufferReader(e));return t},a.fromBufferReader=function(e){l.checkArgument(e,"br is required");var t=a._fromBufferReader(e);return new a(t)},a.fromBuffer=function(e){return a.fromBufferReader(new s(e))},a.fromString=function(e){var t=new r(e,"hex");return a.fromBuffer(t)},a.fromRawBlock=function(e){d.isBuffer(e)||(e=new r(e,"binary"));var t=s(e);t.pos=a.Values.START_OF_BLOCK;var o=a._fromBufferReader(t);return new a(o)},a.prototype.toObject=a.prototype.toJSON=function(){var e=[];return this.transactions.forEach(function(t){e.push(t.toObject())}),{header:this.header.toObject(),transactions:e}},a.prototype.toBuffer=function(){return this.toBufferWriter().concat()},a.prototype.toString=function(){return this.toBuffer().toString("hex")},a.prototype.toBufferWriter=function(e){e||(e=new c),e.write(this.header.toBuffer()),e.writeVarintNum(this.transactions.length);for(var t=0;t<this.transactions.length;t++)this.transactions[t].toBufferWriter(e);return e},a.prototype.getTransactionHashes=function(){var e=[];if(0===this.transactions.length)return[a.Values.NULL_HASH];for(var r=0;r<this.transactions.length;r++)e.push(this.transactions[r]._getHash());return e},a.prototype.getMerkleTree=function(){for(var e=this.getTransactionHashes(),t=0,a=this.transactions.length;1<a;a=h((a+1)/2)){for(var o=0;o<a;o+=2){var n=u(o+1,a-1),i=r.concat([e[t+o],e[t+n]]);e.push(f.sha256sha256(i))}t+=a}return e},a.prototype.getMerkleRoot=function(){var e=this.getMerkleTree();return e[e.length-1]},a.prototype.validMerkleRoot=function(){var e=new i(this.header.merkleRoot.toString("hex"),"hex"),t=new i(this.getMerkleRoot().toString("hex"),"hex");return!(0!==e.cmp(t))},a.prototype._getHash=function(){return this.header._getHash()};var b={configurable:!1,enumerable:!0,get:function(){return this._id||(this._id=this.header.id),this._id},set:o.noop};Object.defineProperty(a.prototype,"id",b),Object.defineProperty(a.prototype,"hash",b),a.prototype.inspect=function(){return"<Block "+this.id+">"},a.Values={START_OF_BLOCK:8,NULL_HASH:new r("0000000000000000000000000000000000000000000000000000000000000000","hex")},t.exports=a}).call(this,e("buffer").Buffer)},{"../crypto/bn":7,"../crypto/hash":9,"../encoding/bufferreader":15,"../encoding/bufferwriter":16,"../transaction":40,"../util/buffer":54,"../util/preconditions":56,"./blockheader":4,buffer:126,lodash:204}],4:[function(e,t){(function(r){"use strict";var a=e("lodash"),o=e("../crypto/bn"),i=e("../util/buffer"),d=e("../encoding/bufferreader"),s=e("../encoding/bufferwriter"),c=e("../crypto/hash"),f=e("../util/js"),p=e("../util/preconditions"),u=function e(t){if(!(this instanceof e))return new e(t);var r=e._from(t);return this.version=r.version,this.prevHash=r.prevHash,this.merkleRoot=r.merkleRoot,this.time=r.time,this.timestamp=r.time,this.bits=r.bits,this.nonce=r.nonce,r.hash&&p.checkState(this.hash===r.hash,"Argument object hash property does not match block hash."),this};u._from=function(e){var t={};if(i.isBuffer(e))t=u._fromBufferReader(d(e));else if(a.isObject(e))t=u._fromObject(e);else throw new TypeError("Unrecognized argument for BlockHeader");return t},u._fromObject=function(e){p.checkArgument(e,"data is required");var t=e.prevHash,o=e.merkleRoot;a.isString(e.prevHash)&&(t=i.reverse(new r(e.prevHash,"hex"))),a.isString(e.merkleRoot)&&(o=i.reverse(new r(e.merkleRoot,"hex")));var n={hash:e.hash,version:e.version,prevHash:t,merkleRoot:o,time:e.time,timestamp:e.time,bits:e.bits,nonce:e.nonce};return n},u.fromObject=function(e){var t=u._fromObject(e);return new u(t)},u.fromRawBlock=function(e){i.isBuffer(e)||(e=new r(e,"binary"));var t=d(e);t.pos=u.Constants.START_OF_HEADER;var a=u._fromBufferReader(t);return new u(a)},u.fromBuffer=function(e){var t=u._fromBufferReader(d(e));return new u(t)},u.fromString=function(e){var t=new r(e,"hex");return u.fromBuffer(t)},u._fromBufferReader=function(e){var t={version:e.readInt32LE(),prevHash:e.read(32),merkleRoot:e.read(32),time:e.readUInt32LE(),bits:e.readUInt32LE(),nonce:e.readUInt32LE()};return t},u.fromBufferReader=function(e){var t=u._fromBufferReader(e);return new u(t)},u.prototype.toObject=u.prototype.toJSON=function(){return{hash:this.hash,version:this.version,prevHash:i.reverse(this.prevHash).toString("hex"),merkleRoot:i.reverse(this.merkleRoot).toString("hex"),time:this.time,bits:this.bits,nonce:this.nonce}},u.prototype.toBuffer=function(){return this.toBufferWriter().concat()},u.prototype.toString=function(){return this.toBuffer().toString("hex")},u.prototype.toBufferWriter=function(e){return e||(e=new s),e.writeInt32LE(this.version),e.write(this.prevHash),e.write(this.merkleRoot),e.writeUInt32LE(this.time),e.writeUInt32LE(this.bits),e.writeUInt32LE(this.nonce),e},u.prototype.getTargetDifficulty=function(e){e=e||this.bits;for(var t=new o(16777215&e),r=8*((e>>>24)-3);0<r--;)t=t.mul(new o(2));return t},u.prototype.getDifficulty=function(){var e=this.getTargetDifficulty(486604799).mul(new o(100000000)),t=this.getTargetDifficulty(),r=e.div(t).toString(10),a=r.length-8;return r=r.slice(0,a)+"."+r.slice(a),parseFloat(r)},u.prototype._getHash=function(){var e=this.toBuffer();return c.sha256sha256(e)};var l={configurable:!1,enumerable:!0,get:function(){return this._id||(this._id=d(this._getHash()).readReverse().toString("hex")),this._id},set:a.noop};Object.defineProperty(u.prototype,"id",l),Object.defineProperty(u.prototype,"hash",l),u.prototype.validTimestamp=function(){var e=n(new Date().getTime()/1e3);return!(this.time>e+u.Constants.MAX_TIME_OFFSET)},u.prototype.validProofOfWork=function(){var e=new o(this.id,"hex"),t=this.getTargetDifficulty();return!(0<e.cmp(t))},u.prototype.inspect=function(){return"<BlockHeader "+this.id+">"},u.Constants={START_OF_HEADER:8,MAX_TIME_OFFSET:7200,LARGEST_HASH:new o("10000000000000000000000000000000000000000000000000000000000000000","hex")},t.exports=u}).call(this,e("buffer").Buffer)},{"../crypto/bn":7,"../crypto/hash":9,"../encoding/bufferreader":15,"../encoding/bufferwriter":16,"../util/buffer":54,"../util/js":55,"../util/preconditions":56,buffer:126,lodash:204}],5:[function(e,t){"use strict";t.exports=e("./block"),t.exports.BlockHeader=e("./blockheader"),t.exports.MerkleBlock=e("./merkleblock")},{"./block":3,"./blockheader":4,"./merkleblock":6}],6:[function(e,t){(function(r){"use strict";function a(e){if(!(this instanceof a))return new a(e);var t={};if(i.isBuffer(e))t=a._fromBufferReader(d(e));else if(o.isObject(e)){var r;r=e.header instanceof n?e.header:n.fromObject(e.header),t={header:r,numTransactions:e.numTransactions,hashes:e.hashes,flags:e.flags}}else throw new TypeError("Unrecognized argument for MerkleBlock");return o.extend(this,t),this._flagBitsUsed=0,this._hashesUsed=0,this}var o=e("lodash"),n=e("./blockheader"),i=e("../util/buffer"),d=e("../encoding/bufferreader"),s=e("../encoding/bufferwriter"),c=e("../crypto/hash"),f=e("../util/js"),p=e("../transaction"),u=e("../util/preconditions");a.fromBuffer=function(e){return a.fromBufferReader(d(e))},a.fromBufferReader=function(e){return new a(a._fromBufferReader(e))},a.prototype.toBuffer=function(){return this.toBufferWriter().concat()},a.prototype.toBufferWriter=function(e){e||(e=new s),e.write(this.header.toBuffer()),e.writeUInt32LE(this.numTransactions),e.writeVarintNum(this.hashes.length);for(var t=0;t<this.hashes.length;t++)e.write(new r(this.hashes[t],"hex"));for(e.writeVarintNum(this.flags.length),t=0;t<this.flags.length;t++)e.writeUInt8(this.flags[t]);return e},a.prototype.toObject=a.prototype.toJSON=function(){return{header:this.header.toObject(),numTransactions:this.numTransactions,hashes:this.hashes,flags:this.flags}},a.prototype.validMerkleTree=function(){if(u.checkState(o.isArray(this.flags),"MerkleBlock flags is not an array"),u.checkState(o.isArray(this.hashes),"MerkleBlock hashes is not an array"),this.hashes.length>this.numTransactions)return!1;if(8*this.flags.length<this.hashes.length)return!1;var e=this._calcTreeHeight(),t={hashesUsed:0,flagBitsUsed:0},r=this._traverseMerkleTree(e,0,t);return t.hashesUsed===this.hashes.length&&i.equals(r,this.header.merkleRoot)},a.prototype._traverseMerkleTree=function(e,t,a){if(a=a||{},a.txs=a.txs||[],a.flagBitsUsed=a.flagBitsUsed||0,a.hashesUsed=a.hashesUsed||0,a.flagBitsUsed>8*this.flags.length)return null;var o=1&this.flags[a.flagBitsUsed>>3]>>>(7&a.flagBitsUsed++);if(0===e||!o){if(a.hashesUsed>=this.hashes.length)return null;var n=this.hashes[a.hashesUsed++];return 0===e&&o&&a.txs.push(n),new r(n,"hex")}var i=this._traverseMerkleTree(e-1,2*t,a),d=i;return 2*t+1<this._calcTreeWidth(e-1)&&(d=this._traverseMerkleTree(e-1,2*t+1,a)),c.sha256sha256(new r.concat([i,d]))},a.prototype._calcTreeWidth=function(e){return this.numTransactions+(1<<e)-1>>e},a.prototype._calcTreeHeight=function(){for(var e=0;1<this._calcTreeWidth(e);)e++;return e},a.prototype.hasTransaction=function(e){u.checkArgument(!o.isUndefined(e),"tx cannot be undefined"),u.checkArgument(e instanceof p||"string"==typeof e,"Invalid tx given, tx must be a \"string\" or \"Transaction\"");var t=e;e instanceof p&&(t=i.reverse(new r(e.id,"hex")).toString("hex"));var a=[],n=this._calcTreeHeight();return this._traverseMerkleTree(n,0,{txs:a}),-1!==a.indexOf(t)},a._fromBufferReader=function(e){u.checkState(!e.finished(),"No merkleblock data received");var t={header:n.fromBufferReader(e),numTransactions:e.readUInt32LE()},r=e.readVarintNum();t.hashes=[];for(var a=0;a<r;a++)t.hashes.push(e.read(32).toString("hex"));var o=e.readVarintNum();for(t.flags=[],a=0;a<o;a++)t.flags.push(e.readUInt8());return t},a.fromObject=function(e){return new a(e)},t.exports=a}).call(this,e("buffer").Buffer)},{"../crypto/hash":9,"../encoding/bufferreader":15,"../encoding/bufferwriter":16,"../transaction":40,"../util/buffer":54,"../util/js":55,"../util/preconditions":56,"./blockheader":4,buffer:126,lodash:204}],7:[function(e,t){(function(r){"use strict";var a=e("bn.js"),o=e("../util/preconditions"),i=e("lodash"),n=function(e){for(var t=new r(e.length),a=0;a<e.length;a++)t[a]=e[e.length-1-a];return t};a.Zero=new a(0),a.One=new a(1),a.Minus1=new a(-1),a.fromNumber=function(e){return o.checkArgument(i.isNumber(e)),new a(e)},a.fromString=function(e,t){return o.checkArgument(i.isString(e)),new a(e,t)},a.fromBuffer=function(e,t){"undefined"!=typeof t&&"little"===t.endian&&(e=n(e));var r=e.toString("hex"),o=new a(r,16);return o},a.fromSM=function(e,t){var o;if(0===e.length)return a.fromBuffer(new r([0]));var i="big";return t&&(i=t.endian),"little"===i&&(e=n(e)),128&e[0]?(e[0]&=127,o=a.fromBuffer(e),o.neg().copy(o)):o=a.fromBuffer(e),o},a.prototype.toNumber=function(){return parseInt(this.toString(10),10)},a.prototype.toBuffer=function(e){var t,o;if(e&&e.size){o=this.toString(16,2);var i=o.length/2;t=new r(o,"hex"),i===e.size?t=t:i>e.size?t=a.trim(t,i):i<e.size&&(t=a.pad(t,i,e.size))}else o=this.toString(16,2),t=new r(o,"hex");return"undefined"!=typeof e&&"little"===e.endian&&(t=n(t)),t},a.prototype.toSMBigEndian=function(){var e;return-1===this.cmp(a.Zero)?(e=this.neg().toBuffer(),128&e[0]?e=r.concat([new r([128]),e]):e[0]|=128):(e=this.toBuffer(),128&e[0]&&(e=r.concat([new r([0]),e]))),1===e.length&0===e[0]&&(e=new r([])),e},a.prototype.toSM=function(e){var t=e?e.endian:"big",r=this.toSMBigEndian();return"little"===t&&(r=n(r)),r},a.fromScriptNumBuffer=function(e,t,r){if(o.checkArgument(e.length<=(r||4),new Error("script number overflow")),t&&0<e.length&&0==(127&e[e.length-1])&&(1>=e.length||0==(128&e[e.length-2])))throw new Error("non-minimally encoded script number");return a.fromSM(e,{endian:"little"})},a.prototype.toScriptNumBuffer=function(){return this.toSM({endian:"little"})},a.prototype.gt=function(e){return 0<this.cmp(e)},a.prototype.gte=function(e){return 0<=this.cmp(e)},a.prototype.lt=function(e){return 0>this.cmp(e)},a.trim=function(e,t){return e.slice(t-e.length,e.length)},a.pad=function(e,t,a){for(var o=new r(a),n=0;n<e.length;n++)o[o.length-1-n]=e[e.length-1-n];for(n=0;n<a-t;n++)o[n]=0;return o},t.exports=a}).call(this,e("buffer").Buffer)},{"../util/preconditions":56,"bn.js":75,buffer:126,lodash:204}],8:[function(e,t){(function(r){"use strict";var a=e("./bn"),o=e("./point"),n=e("./signature"),d=e("../publickey"),i=e("./random"),s=e("./hash"),c=e("../util/buffer"),f=e("lodash"),p=e("../util/preconditions"),u=function e(t){return this instanceof e?void(t&&this.set(t)):new e(t)};u.prototype.set=function(e){return this.hashbuf=e.hashbuf||this.hashbuf,this.endian=e.endian||this.endian,this.privkey=e.privkey||this.privkey,this.pubkey=e.pubkey||(this.privkey?this.privkey.publicKey:this.pubkey),this.sig=e.sig||this.sig,this.k=e.k||this.k,this.verified=e.verified||this.verified,this},u.prototype.privkey2pubkey=function(){this.pubkey=this.privkey.toPublicKey()},u.prototype.calci=function(){for(var e=0;4>e;e++){this.sig.i=e;var t;try{t=this.toPublicKey()}catch(t){console.error(t);continue}if(t.point.eq(this.pubkey.point))return this.sig.compressed=this.pubkey.compressed,this}throw this.sig.i=void 0,new Error("Unable to find valid recovery factor")},u.fromString=function(e){var t=JSON.parse(e);return new u(t)},u.prototype.randomK=function(){var e=o.getN(),t;do t=a.fromBuffer(i.getRandomBuffer(32));while(!(t.lt(e)&&t.gt(a.Zero)));return this.k=t,this},u.prototype.deterministicK=function(e){f.isUndefined(e)&&(e=0);var t=new r(32);t.fill(1);var n=new r(32);n.fill(0);var d=this.privkey.bn.toBuffer({size:32}),p="little"===this.endian?c.reverse(this.hashbuf):this.hashbuf;n=s.sha256hmac(r.concat([t,new r([0]),d,p]),n),t=s.sha256hmac(t,n),n=s.sha256hmac(r.concat([t,new r([1]),d,p]),n),t=s.sha256hmac(t,n),t=s.sha256hmac(t,n);for(var u=a.fromBuffer(t),l=o.getN(),b=0;b<e||!(u.lt(l)&&u.gt(a.Zero));b++)n=s.sha256hmac(r.concat([t,new r([0])]),n),t=s.sha256hmac(t,n),t=s.sha256hmac(t,n),u=a.fromBuffer(t);return this.k=u,this},u.prototype.toPublicKey=function(){var t=this.sig.i;p.checkArgument(0===t||1===t||2===t||3===t,new Error("i must be equal to 0, 1, 2, or 3"));var i=a.fromBuffer(this.hashbuf),e=this.sig.r,r=this.sig.s,s=o.getN(),n=o.getG(),c=t>>1?e.add(s):e,f=o.fromX(1&t,c),u=f.mul(s);if(!u.isInfinity())throw new Error("nR is not a valid curve point");var l=i.neg().mod(s),b=e.invm(s),h=f.mul(r).add(n.mul(l)).mul(b),g=d.fromPoint(h,this.sig.compressed);return g},u.prototype.sigError=function(){if(!c.isBuffer(this.hashbuf)||32!==this.hashbuf.length)return"hashbuf must be a 32 byte buffer";var t=this.sig.r,r=this.sig.s;if(!(t.gt(a.Zero)&&t.lt(o.getN()))||!(r.gt(a.Zero)&&r.lt(o.getN())))return"r and s not in range";var i=a.fromBuffer(this.hashbuf,this.endian?{endian:this.endian}:void 0),e=o.getN(),n=r.invm(e),d=n.mul(i).mod(e),s=n.mul(t).mod(e),f=o.getG().mulAdd(d,this.pubkey.point,s);return f.isInfinity()?"p is infinity":0!==f.getX().mod(e).cmp(t)&&"Invalid signature"},u.toLowS=function(e){return e.gt(a.fromBuffer(new r("7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0","hex")))&&(e=o.getN().sub(e)),e},u.prototype._findSignature=function(t,n){var e=o.getN(),i=o.getG(),d=0,c,f,p,l;do(!this.k||0<d)&&this.deterministicK(d),d++,c=this.k,f=i.mul(c),p=f.x.mod(e),l=c.invm(e).mul(n.add(t.mul(p))).mod(e);while(0>=p.cmp(a.Zero)||0>=l.cmp(a.Zero));return l=u.toLowS(l),{s:l,r:p}},u.prototype.sign=function(){var t=this.hashbuf,r=this.privkey,o=r.bn;p.checkState(t&&r&&o,new Error("invalid parameters")),p.checkState(c.isBuffer(t)&&32===t.length,new Error("hashbuf must be a 32 byte buffer"));var i=a.fromBuffer(t,this.endian?{endian:this.endian}:void 0),e=this._findSignature(o,i);return e.compressed=this.pubkey.compressed,this.sig=new n(e),this},u.prototype.signRandomK=function(){return this.randomK(),this.sign()},u.prototype.toString=function(){var e={};return this.hashbuf&&(e.hashbuf=this.hashbuf.toString("hex")),this.privkey&&(e.privkey=this.privkey.toString()),this.pubkey&&(e.pubkey=this.pubkey.toString()),this.sig&&(e.sig=this.sig.toString()),this.k&&(e.k=this.k.toString()),JSON.stringify(e)},u.prototype.verify=function(){return this.verified=!this.sigError(),this},u.sign=function(e,t,r){return u().set({hashbuf:e,endian:r,privkey:t}).sign().sig},u.verify=function(e,t,r,a){return u().set({hashbuf:e,endian:a,sig:t,pubkey:r}).verify().verified},t.exports=u}).call(this,e("buffer").Buffer)},{"../publickey":36,"../util/buffer":54,"../util/preconditions":56,"./bn":7,"./hash":9,"./point":10,"./random":11,"./signature":12,buffer:126,lodash:204}],9:[function(e,t){(function(r){"use strict";var a=e("crypto"),o=e("../util/buffer"),n=e("../util/preconditions"),i=t.exports;i.sha1=function(e){return n.checkArgument(o.isBuffer(e)),a.createHash("sha1").update(e).digest()},i.sha1.blocksize=512,i.sha256=function(e){return n.checkArgument(o.isBuffer(e)),a.createHash("sha256").update(e).digest()},i.sha256.blocksize=512,i.sha256sha256=function(e){return n.checkArgument(o.isBuffer(e)),i.sha256(i.sha256(e))},i.ripemd160=function(e){return n.checkArgument(o.isBuffer(e)),a.createHash("ripemd160").update(e).digest()},i.sha256ripemd160=function(e){return n.checkArgument(o.isBuffer(e)),i.ripemd160(i.sha256(e))},i.sha512=function(e){return n.checkArgument(o.isBuffer(e)),a.createHash("sha512").update(e).digest()},i.sha512.blocksize=1024,i.hmac=function(e,t,a){n.checkArgument(o.isBuffer(t)),n.checkArgument(o.isBuffer(a)),n.checkArgument(e.blocksize);var d=e.blocksize/8;if(a.length>d)a=e(a);else if(a<d){var s=new r(d);s.fill(0),a.copy(s),a=s}var c=new r(d);c.fill(92);var f=new r(d);f.fill(54);for(var p=new r(d),u=new r(d),l=0;l<d;l++)p[l]=c[l]^a[l],u[l]=f[l]^a[l];return e(r.concat([p,e(r.concat([u,t]))]))},i.sha256hmac=function(e,t){return i.hmac(i.sha256,e,t)},i.sha512hmac=function(e,t){return i.hmac(i.sha512,e,t)}}).call(this,e("buffer").Buffer)},{"../util/buffer":54,"../util/preconditions":56,buffer:126,crypto:156}],10:[function(e,t){(function(r){"use strict";var a=e("./bn"),o=e("../util/buffer"),n=e("elliptic").curves.secp256k1,i=n.curve.point.bind(n.curve),d=n.curve.pointFromX.bind(n.curve),s=function(e,t,r){var a=i(e,t,r);return a.validate(),a};s.prototype=Object.getPrototypeOf(n.curve.point()),s.fromX=function(e,t){var r=d(e,t);return r.validate(),r},s.getG=function(){return n.curve.g},s.getN=function(){return new a(n.curve.n.toArray())},s.prototype._getX=s.prototype.getX,s.prototype.getX=function(){return new a(this._getX().toArray())},s.prototype._getY=s.prototype.getY,s.prototype.getY=function(){return new a(this._getY().toArray())},s.prototype.validate=function(){if(this.isInfinity())throw new Error("Point cannot be equal to Infinity");if(0===this.getX().cmp(a.Zero)||0===this.getY().cmp(a.Zero))throw new Error("Invalid x,y value for curve, cannot equal 0.");var e=d(this.getY().isOdd(),this.getX());if(0!==e.y.cmp(this.y))throw new Error("Invalid y value for curve.");var t=this.getX().gt(a.Minus1)&&this.getX().lt(s.getN()),r=this.getY().gt(a.Minus1)&&this.getY().lt(s.getN());if(!t||!r)throw new Error("Point does not lie on the curve");if(!this.mul(s.getN()).isInfinity())throw new Error("Point times N must be infinity");return this},s.pointToCompressed=function(e){var t=e.getX().toBuffer({size:32}),a=e.getY().toBuffer({size:32}),n=a[a.length-1]%2,i;return i=n?new r([3]):new r([2]),o.concat([i,t])},t.exports=s}).call(this,e("buffer").Buffer)},{"../util/buffer":54,"./bn":7,buffer:126,elliptic:168}],11:[function(e,t){(function(r,a){"use strict";function o(){}o.getRandomBuffer=function(e){return r.browser?o.getRandomBufferBrowser(e):o.getRandomBufferNode(e)},o.getRandomBufferNode=function(t){var r=e("crypto");return r.randomBytes(t)},o.getRandomBufferBrowser=function(e){if(!window.crypto&&!window.msCrypto)throw new Error("window.crypto not available");if(window.crypto&&window.crypto.getRandomValues)var t=window.crypto;else if(window.msCrypto&&window.msCrypto.getRandomValues)var t=window.msCrypto;else throw new Error("window.crypto.getRandomValues not available");var r=new Uint8Array(e);t.getRandomValues(r);var o=new a(r);return o},o.getPseudoRandomBuffer=function(e){for(var t=new a(e),o=0,n;o<=e;o++){var r=h(o/4),i=o-4*r;0==i?(n=Math.random()*4294967296,t[o]=255&n):t[o]=255&(n>>>=8)}return t},t.exports=o}).call(this,e("_process"),e("buffer").Buffer)},{_process:222,buffer:126,crypto:156}],12:[function(e,t){(function(r){"use strict";var a=e("./bn"),o=e("lodash"),n=e("../util/preconditions"),d=e("../util/buffer"),i=e("../util/js"),s=function e(t,o){if(!(this instanceof e))return new e(t,o);if(t instanceof a)this.set({r:t,s:o});else if(t){this.set(t)}};s.prototype.set=function(e){return this.r=e.r||this.r||void 0,this.s=e.s||this.s||void 0,this.i="undefined"==typeof e.i?this.i:e.i,this.compressed="undefined"==typeof e.compressed?this.compressed:e.compressed,this.nhashtype=e.nhashtype||this.nhashtype||void 0,this},s.fromCompact=function(e){n.checkArgument(d.isBuffer(e),"Argument is expected to be a Buffer");var t=new s,r=!0,o=e.slice(0,1)[0]-27-4;0>o&&(r=!1,o+=4);var i=e.slice(1,33),c=e.slice(33,65);return n.checkArgument(0==o||1==o||2==o||3==o,new Error("i must be 0, 1, 2, or 3")),n.checkArgument(32===i.length,new Error("r must be 32 bytes")),n.checkArgument(32===c.length,new Error("s must be 32 bytes")),t.compressed=r,t.i=o,t.r=a.fromBuffer(i),t.s=a.fromBuffer(c),t},s.fromDER=s.fromBuffer=function(e,t){var r=s.parseDER(e,t),a=new s;return a.r=r.r,a.s=r.s,a},s.fromTxFormat=function(e){var t=e.readUInt8(e.length-1),r=e.slice(0,e.length-1),a=new s.fromDER(r,!1);return a.nhashtype=t,a},s.fromString=function(e){var t=new r(e,"hex");return s.fromDER(t)},s.parseDER=function(e,t){n.checkArgument(d.isBuffer(e),new Error("DER formatted signature should be a buffer")),o.isUndefined(t)&&(t=!0);var i=e[0];n.checkArgument(48===i,new Error("Header byte should be 0x30"));var c=e[1],f=e.slice(2).length;n.checkArgument(!t||c===f,new Error("Length byte should length of what follows")),c=c<f?c:f;var p=e[2];n.checkArgument(2===p,new Error("Integer byte for r should be 0x02"));var u=e[3],l=e.slice(4,4+u),b=a.fromBuffer(l),h=!(0!==e[4]);n.checkArgument(u===l.length,new Error("Length of r incorrect"));var g=e[4+u+0];n.checkArgument(2===g,new Error("Integer byte for s should be 0x02"));var m=e[4+u+1],y=e.slice(4+u+2,4+u+2+m),_=a.fromBuffer(y),v=!(0!==e[4+u+2+2]);n.checkArgument(m===y.length,new Error("Length of s incorrect"));n.checkArgument(c===4+u+2+m-2,new Error("Length of signature incorrect"));var S={header:i,length:c,rheader:p,rlength:u,rneg:h,rbuf:l,r:b,sheader:g,slength:m,sneg:v,sbuf:y,s:_};return S},s.prototype.toCompact=function(e,t){if(e="number"==typeof e?e:this.i,t="boolean"==typeof t?t:this.compressed,0!==e&&1!==e&&2!==e&&3!==e)throw new Error("i must be equal to 0, 1, 2, or 3");var a=e+27+4;!1===t&&(a-=4);var o=new r([a]),n=this.r.toBuffer({size:32}),d=this.s.toBuffer({size:32});return r.concat([o,n,d])},s.prototype.toBuffer=s.prototype.toDER=function(){var e=this.r.toBuffer(),t=this.s.toBuffer(),a=!!(128&e[0]),o=!!(128&t[0]),n=a?r.concat([new r([0]),e]):e,i=o?r.concat([new r([0]),t]):t,d=n.length,s=i.length,c=r.concat([new r([48,2+d+2+s,2,d]),n,new r([2,s]),i]);return c},s.prototype.toString=function(){var e=this.toDER();return e.toString("hex")},s.isTxDER=function(e){if(9>e.length)return!1;if(73<e.length)return!1;if(48!==e[0])return!1;if(e[1]!==e.length-3)return!1;var t=e[3];if(5+t>=e.length)return!1;var r=e[5+t];if(t+r+7!==e.length)return!1;var a=e.slice(4);if(2!==e[2])return!1;if(0===t)return!1;if(128&a[0])return!1;if(1<t&&0===a[0]&&!(128&a[1]))return!1;var o=e.slice(6+t);return!(2!==e[6+t-2])&&0!==r&&!(128&o[0])&&(1<r&&0===o[0]&&!(128&o[1])?!1:!0)},s.prototype.hasLowS=function(){return this.s.lt(new a(1))||this.s.gt(new a("7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0","hex"))?!1:!0},s.prototype.hasDefinedHashtype=function(){if(!i.isNaturalNumber(this.nhashtype))return!1;var e=this.nhashtype&~s.SIGHASH_ANYONECANPAY;return e<s.SIGHASH_ALL||e>s.SIGHASH_SINGLE?!1:!0},s.prototype.toTxFormat=function(){var e=this.toDER(),t=new r(1);return t.writeUInt8(this.nhashtype,0),r.concat([e,t])},s.SIGHASH_ALL=1,s.SIGHASH_NONE=2,s.SIGHASH_SINGLE=3,s.SIGHASH_FORKID=64,s.SIGHASH_ANYONECANPAY=128,t.exports=s}).call(this,e("buffer").Buffer)},{"../util/buffer":54,"../util/js":55,"../util/preconditions":56,"./bn":7,buffer:126,lodash:204}],13:[function(e,t){(function(r){"use strict";var a=e("lodash"),o=e("bs58"),n=e("buffer"),i=["1","2","3","4","5","6","7","8","9","A","B","C","D","E","F","G","H","J","K","L","M","N","P","Q","R","S","T","U","V","W","X","Y","Z","a","b","c","d","e","f","g","h","i","j","k","m","n","o","p","q","r","s","t","u","v","w","x","y","z"],d=function e(t){if(!(this instanceof e))return new e(t);if(r.isBuffer(t)){this.fromBuffer(t)}else if("string"==typeof t){this.fromString(t)}else t&&this.set(t)};d.validCharacters=function(e){return n.Buffer.isBuffer(e)&&(e=e.toString()),a.every(a.map(e,function(e){return a.includes(i,e)}))},d.prototype.set=function(e){return this.buf=e.buf||this.buf||void 0,this},d.encode=function(e){if(!n.Buffer.isBuffer(e))throw new Error("Input should be a buffer");return o.encode(e)},d.decode=function(e){if("string"!=typeof e)throw new Error("Input should be a string");return new r(o.decode(e))},d.prototype.fromBuffer=function(e){return this.buf=e,this},d.prototype.fromString=function(e){var t=d.decode(e);return this.buf=t,this},d.prototype.toBuffer=function(){return this.buf},d.prototype.toString=function(){return d.encode(this.buf)},t.exports=d}).call(this,e("buffer").Buffer)},{bs58:123,buffer:126,lodash:204}],14:[function(e,t){(function(r){"use strict";var a=e("lodash"),o=e("./base58"),n=e("buffer"),i=e("../crypto/hash").sha256sha256,d=function e(t){if(!(this instanceof e))return new e(t);if(r.isBuffer(t)){this.fromBuffer(t)}else if("string"==typeof t){this.fromString(t)}else t&&this.set(t)};d.prototype.set=function(e){return this.buf=e.buf||this.buf||void 0,this},d.validChecksum=function(e,t){return a.isString(e)&&(e=new n.Buffer(o.decode(e))),a.isString(t)&&(t=new n.Buffer(o.decode(t))),t||(t=e.slice(-4),e=e.slice(0,-4)),d.checksum(e).toString("hex")===t.toString("hex")},d.decode=function(e){if("string"!=typeof e)throw new Error("Input must be a string");var t=new r(o.decode(e));if(4>t.length)throw new Error("Input string too short");var a=t.slice(0,-4),n=t.slice(-4),d=i(a),c=d.slice(0,4);if(n.toString("hex")!==c.toString("hex"))throw new Error("Checksum mismatch");return a},d.checksum=function(e){return i(e).slice(0,4)},d.encode=function(e){if(!r.isBuffer(e))throw new Error("Input must be a buffer");var t=new r(e.length+4),a=d.checksum(e);return e.copy(t),a.copy(t,e.length),o.encode(t)},d.prototype.fromBuffer=function(e){return this.buf=e,this},d.prototype.fromString=function(e){var t=d.decode(e);return this.buf=t,this},d.prototype.toBuffer=function(){return this.buf},d.prototype.toString=function(){return d.encode(this.buf)},t.exports=d}).call(this,e("buffer").Buffer)},{"../crypto/hash":9,"./base58":13,buffer:126,lodash:204}],15:[function(e,t){(function(r){"use strict";var a=e("lodash"),o=e("../util/preconditions"),n=e("../util/buffer"),i=e("../crypto/bn"),d=function e(t){if(!(this instanceof e))return new e(t);if(!a.isUndefined(t))if(r.isBuffer(t))this.set({buf:t});else if(a.isString(t)){var o=new r(t,"hex");if(2*o.length!=t.length)throw new TypeError("Invalid hex string");this.set({buf:o})}else if(a.isObject(t)){this.set(t)}else throw new TypeError("Unrecognized argument for BufferReader")};d.prototype.set=function(e){return this.buf=e.buf||this.buf||void 0,this.pos=e.pos||this.pos||0,this},d.prototype.eof=function(){return this.pos>=this.buf.length},d.prototype.finished=d.prototype.eof,d.prototype.read=function(e){o.checkArgument(!a.isUndefined(e),"Must specify a length");var t=this.buf.slice(this.pos,this.pos+e);return this.pos+=e,t},d.prototype.readAll=function(){var e=this.buf.slice(this.pos,this.buf.length);return this.pos=this.buf.length,e},d.prototype.readUInt8=function(){var e=this.buf.readUInt8(this.pos);return++this.pos,e},d.prototype.readUInt16BE=function(){var e=this.buf.readUInt16BE(this.pos);return this.pos+=2,e},d.prototype.readUInt16LE=function(){var e=this.buf.readUInt16LE(this.pos);return this.pos+=2,e},d.prototype.readUInt32BE=function(){var e=this.buf.readUInt32BE(this.pos);return this.pos+=4,e},d.prototype.readUInt32LE=function(){var e=this.buf.readUInt32LE(this.pos);return this.pos+=4,e},d.prototype.readInt32LE=function(){var e=this.buf.readInt32LE(this.pos);return this.pos+=4,e},d.prototype.readUInt64BEBN=function(){var e=this.buf.slice(this.pos,this.pos+8),t=i.fromBuffer(e);return this.pos+=8,t},d.prototype.readUInt64LEBN=function(){var e=this.buf.readUInt32LE(this.pos),t=this.buf.readUInt32LE(this.pos+4),r=4294967296*t+e,a;if(9007199254740991>=r)a=new i(r);else{var o=Array.prototype.slice.call(this.buf,this.pos,this.pos+8);a=new i(o,10,"le")}return this.pos+=8,a},d.prototype.readVarintNum=function(){var e=this.readUInt8();switch(e){case 253:return this.readUInt16LE();case 254:return this.readUInt32LE();case 255:var t=this.readUInt64LEBN(),r=t.toNumber();if(9007199254740992>=r)return r;throw new Error("number too large to retain precision - use readVarintBN");break;default:return e;}},d.prototype.readVarLengthBuffer=function(){var e=this.readVarintNum(),t=this.read(e);return o.checkState(t.length===e,"Invalid length while reading varlength buffer. 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e(t)};i.prototype.set=function(e){return this.bufs=e.bufs||this.bufs||[],this},i.prototype.toBuffer=function(){return this.concat()},i.prototype.concat=function(){return r.concat(this.bufs)},i.prototype.write=function(e){return o(a.isBuffer(e)),this.bufs.push(e),this},i.prototype.writeReverse=function(e){return o(a.isBuffer(e)),this.bufs.push(a.reverse(e)),this},i.prototype.writeUInt8=function(e){var t=new r(1);return t.writeUInt8(e,0),this.write(t),this},i.prototype.writeUInt16BE=function(e){var t=new r(2);return t.writeUInt16BE(e,0),this.write(t),this},i.prototype.writeUInt16LE=function(e){var t=new r(2);return t.writeUInt16LE(e,0),this.write(t),this},i.prototype.writeUInt32BE=function(e){var t=new r(4);return t.writeUInt32BE(e,0),this.write(t),this},i.prototype.writeInt32LE=function(e){var t=new r(4);return t.writeInt32LE(e,0),this.write(t),this},i.prototype.writeUInt32LE=function(e){var t=new r(4);return t.writeUInt32LE(e,0),this.write(t),this},i.prototype.writeUInt64BEBN=function(e){var t=e.toBuffer({size:8});return this.write(t),this},i.prototype.writeUInt64LEBN=function(e){var t=e.toBuffer({size:8});return this.writeReverse(t),this},i.prototype.writeVarintNum=function(e){var t=i.varintBufNum(e);return this.write(t),this},i.prototype.writeVarintBN=function(e){var t=i.varintBufBN(e);return this.write(t),this},i.varintBufNum=function(e){var t;return 253>e?(t=new r(1),t.writeUInt8(e,0)):65536>e?(t=new r(3),t.writeUInt8(253,0),t.writeUInt16LE(e,1)):4294967296>e?(t=new r(5),t.writeUInt8(254,0),t.writeUInt32LE(e,1)):(t=new r(9),t.writeUInt8(255,0),t.writeInt32LE(-1&e,1),t.writeUInt32LE(h(e/4294967296),5)),t},i.varintBufBN=function(e){var t=e.toNumber(),a;if(253>t)a=new r(1),a.writeUInt8(t,0);else if(65536>t)a=new r(3),a.writeUInt8(253,0),a.writeUInt16LE(t,1);else if(4294967296>t)a=new r(5),a.writeUInt8(254,0),a.writeUInt32LE(t,1);else{var o=new i;o.writeUInt8(255),o.writeUInt64LEBN(e);var a=o.concat()}return a},t.exports=i}).call(this,e("buffer").Buffer)},{"../util/buffer":54,assert:72,buffer:126}],17:[function(e,t){(function(r){"use strict";var a=e("./bufferwriter"),o=e("./bufferreader"),n=e("../crypto/bn"),i=function e(t){if(!(this instanceof e))return new e(t);if(r.isBuffer(t))this.buf=t;else if("number"==typeof t){this.fromNumber(t)}else if(t instanceof n){this.fromBN(t)}else if(t){this.set(t)}};i.prototype.set=function(e){return this.buf=e.buf||this.buf,this},i.prototype.fromString=function(e){return this.set({buf:new r(e,"hex")}),this},i.prototype.toString=function(){return this.buf.toString("hex")},i.prototype.fromBuffer=function(e){return this.buf=e,this},i.prototype.fromBufferReader=function(e){return this.buf=e.readVarintBuf(),this},i.prototype.fromBN=function(e){return this.buf=a().writeVarintBN(e).concat(),this},i.prototype.fromNumber=function(e){return this.buf=a().writeVarintNum(e).concat(),this},i.prototype.toBuffer=function(){return this.buf},i.prototype.toBN=function(){return o(this.buf).readVarintBN()},i.prototype.toNumber=function(){return o(this.buf).readVarintNum()},t.exports=i}).call(this,e("buffer").Buffer)},{"../crypto/bn":7,"./bufferreader":15,"./bufferwriter":16,buffer:126}],18:[function(e,t){"use strict";function r(e,t){return e.replace("{0}",t[0]).replace("{1}",t[1]).replace("{2}",t[2])}var a=e("lodash"),o=function(e,t){var o=function(){if(a.isString(t.message))this.message=r(t.message,arguments);else if(a.isFunction(t.message))this.message=t.message.apply(null,arguments);else throw new Error("Invalid error definition for "+t.name);this.stack=this.message+"\n"+new Error().stack};return o.prototype=Object.create(e.prototype),o.prototype.name=e.prototype.name+t.name,e[t.name]=o,t.errors&&n(o,t.errors),o},n=function(e,t){a.each(t,function(t){o(e,t)})},i={};i.Error=function(){this.message="Internal error",this.stack=this.message+"\n"+new 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{0}"},{name:"InvalidArgument",message:function(){return"Invalid Argument"+(arguments[0]?": "+arguments[0]:"")+(arguments[1]?" Documentation: "+"http://bitcore.io/"+arguments[1]:"")}},{name:"AbstractMethodInvoked",message:"Abstract Method Invocation: {0}"},{name:"InvalidArgumentType",message:function(){return"Invalid Argument for "+arguments[2]+", expected "+arguments[1]+" but got "+r(arguments[0])}},{name:"Unit",message:"Internal Error on Unit {0}",errors:[{name:"UnknownCode",message:"Unrecognized unit code: {0}"},{name:"InvalidRate",message:"Invalid exchange rate: {0}"}]},{name:"Transaction",message:"Internal Error on Transaction {0}",errors:[{name:"Input",message:"Internal Error on Input {0}",errors:[{name:"MissingScript",message:"Need a script to create an input"},{name:"UnsupportedScript",message:"Unsupported input script type: {0}"},{name:"MissingPreviousOutput",message:"No previous output information."}]},{name:"NeedMoreInfo",message:"{0}"},{name:"InvalidSorting",message:"The sorting function provided did not return the change output as one of the array elements"},{name:"InvalidOutputAmountSum",message:"{0}"},{name:"MissingSignatures",message:"Some inputs have not been fully signed"},{name:"InvalidIndex",message:"Invalid index: {0} is not between 0, {1}"},{name:"UnableToVerifySignature",message:"Unable to verify signature: {0}"},{name:"DustOutputs",message:"Dust amount detected in one output"},{name:"InvalidSatoshis",message:"Output satoshis are invalid"},{name:"FeeError",message:"Internal Error on Fee {0}",errors:[{name:"TooSmall",message:"Fee is too small: {0}"},{name:"TooLarge",message:"Fee is too large: {0}"},{name:"Different",message:"Unspent value is different from specified fee: {0}"}]},{name:"ChangeAddressMissing",message:"Change address is missing"},{name:"BlockHeightTooHigh",message:"Block Height can be at most 2^32 -1"},{name:"NLockTimeOutOfRange",message:"Block Height can only be between 0 and 499 999 999"},{name:"LockTimeTooEarly",message:"Lock Time can't be earlier than UNIX date 500 000 000"}]},{name:"Script",message:"Internal Error on Script {0}",errors:[{name:"UnrecognizedAddress",message:"Expected argument {0} to be an address"},{name:"CantDeriveAddress",message:"Can't derive address associated with script {0}, needs to be p2pkh in, p2pkh out, p2sh in, or p2sh out."},{name:"InvalidBuffer",message:"Invalid script buffer: can't parse valid script from given buffer {0}"}]},{name:"HDPrivateKey",message:"Internal Error on HDPrivateKey {0}",errors:[{name:"InvalidDerivationArgument",message:"Invalid derivation argument {0}, expected string, or number and boolean"},{name:"InvalidEntropyArgument",message:"Invalid entropy: must be an hexa string or binary buffer, got {0}",errors:[{name:"TooMuchEntropy",message:"Invalid entropy: more than 512 bits is non standard, got \"{0}\""},{name:"NotEnoughEntropy",message:"Invalid entropy: at least 128 bits needed, got \"{0}\""}]},{name:"InvalidLength",message:"Invalid length for xprivkey string in {0}"},{name:"InvalidPath",message:"Invalid derivation path: {0}"},{name:"UnrecognizedArgument",message:"Invalid argument: creating a HDPrivateKey requires a string, buffer, json or object, got \"{0}\""}]},{name:"HDPublicKey",message:"Internal Error on HDPublicKey {0}",errors:[{name:"ArgumentIsPrivateExtended",message:"Argument is an extended private key: {0}"},{name:"InvalidDerivationArgument",message:"Invalid derivation argument: got {0}"},{name:"InvalidLength",message:"Invalid length for xpubkey: got \"{0}\""},{name:"InvalidPath",message:"Invalid derivation path, it should look like: \"m/1/100\", got \"{0}\""},{name:"InvalidIndexCantDeriveHardened",message:"Invalid argument: creating a hardened path requires an HDPrivateKey"},{name:"MustSupplyArgument",message:"Must supply an argument to create a HDPublicKey"},{name:"UnrecognizedArgument",message:"Invalid argument for creation, must be string, json, buffer, or object"}]},{name:"Mnemonic",message:"Internal Error on bitcore-mnemonic module {0}",errors:[{name:"InvalidEntropy",message:"Entropy length must be an even multiple of 11 bits: {0}"},{name:"UnknownWordlist",message:"Could not detect the used word list: {0}"},{name:"InvalidMnemonic",message:"Mnemonic string is invalid: {0}"}]}]},{}],20:[function(e,t){(function(r){"use strict";function a(e){if(e instanceof a)return e;if(!(this instanceof a))return new a(e);if(!e)return this._generateRandomly();if(u.get(e))return this._generateRandomly(e);if(i.isString(e)||y.isBuffer(e)){if(a.isValidSerialized(e))this._buildFromSerialized(e);else if(_.isValidJSON(e))this._buildFromJSON(e);else if(y.isBuffer(e)&&a.isValidSerialized(e.toString()))this._buildFromSerialized(e.toString());else throw a.getSerializedError(e);}else if(i.isObject(e))this._buildFromObject(e);else throw new m.UnrecognizedArgument(e)}var o=e("assert"),n=e("buffer"),i=e("lodash"),d=e("./util/preconditions"),s=e("./crypto/bn"),c=e("./encoding/base58"),f=e("./encoding/base58check"),p=e("./crypto/hash"),u=e("./networks"),l=e("./crypto/point"),b=e("./privatekey"),h=e("./crypto/random"),g=e("./errors"),m=g.HDPrivateKey,y=e("./util/buffer"),_=e("./util/js"),v=1/8;a.isValidPath=function(e,t){if(i.isString(e)){var r=a._getDerivationIndexes(e);return null!==r&&i.every(r,a.isValidPath)}return!!i.isNumber(e)&&(e<a.Hardened&&!0===t&&(e+=a.Hardened),0<=e&&e<a.MaxIndex)},a._getDerivationIndexes=function(e){var t=e.split("/");if(i.includes(a.RootElementAlias,e))return[];if(!i.includes(a.RootElementAlias,t[0]))return null;var r=t.slice(1).map(function(e){var t="'"===e.slice(-1);if(t&&(e=e.slice(0,-1)),!e||"-"===e[0])return NaN;var r=+e;return t&&(r+=a.Hardened),r});return i.some(r,isNaN)?null:r},a.prototype.derive=function(e,t){return this.deriveNonCompliantChild(e,t)},a.prototype.deriveChild=function(e,t){if(i.isNumber(e))return this._deriveWithNumber(e,t);if(i.isString(e))return this._deriveFromString(e);throw new m.InvalidDerivationArgument(e)},a.prototype.deriveNonCompliantChild=function(e,t){if(i.isNumber(e))return this._deriveWithNumber(e,t,!0);if(i.isString(e))return this._deriveFromString(e,!0);throw new m.InvalidDerivationArgument(e)},a.prototype._deriveWithNumber=function(e,t,r){if(!a.isValidPath(e,t))throw new m.InvalidPath(e);t=!!(e>=a.Hardened)||t,e<a.Hardened&&!0===t&&(e+=a.Hardened);var i=y.integerAsBuffer(e),d;if(t&&r){var c=this.privateKey.bn.toBuffer();d=y.concat([new n.Buffer([0]),c,i])}else if(t){var f=this.privateKey.bn.toBuffer({size:32});o(32===f.length,"length of private key buffer is expected to be 32 bytes"),d=y.concat([new n.Buffer([0]),f,i])}else d=y.concat([this.publicKey.toBuffer(),i]);var u=p.sha512hmac(d,this._buffers.chainCode),h=s.fromBuffer(u.slice(0,32),{size:32}),g=u.slice(32,64),_=h.add(this.privateKey.toBigNumber()).mod(l.getN()).toBuffer({size:32});if(!b.isValid(_))return this._deriveWithNumber(e+1,null,r);var v=new a({network:this.network,depth:this.depth+1,parentFingerPrint:this.fingerPrint,childIndex:e,chainCode:g,privateKey:_});return v},a.prototype._deriveFromString=function(e,t){if(!a.isValidPath(e))throw new m.InvalidPath(e);var r=a._getDerivationIndexes(e),o=r.reduce(function(e,r){return e._deriveWithNumber(r,null,t)},this);return o},a.isValidSerialized=function(e,t){return!a.getSerializedError(e,t)},a.getSerializedError=function(e,t){if(!(i.isString(e)||y.isBuffer(e)))return new m.UnrecognizedArgument("Expected string or buffer");if(!c.validCharacters(e))return new g.InvalidB58Char("(unknown)",e);try{e=f.decode(e)}catch(t){return new g.InvalidB58Checksum(e)}if(e.length!==a.DataLength)return new m.InvalidLength(e);if(!i.isUndefined(t)){var r=a._validateNetwork(e,t);if(r)return r}return null},a._validateNetwork=function(e,t){var r=u.get(t);if(!r)return new g.InvalidNetworkArgument(t);var a=e.slice(0,4);return y.integerFromBuffer(a)===r.xprivkey?null:new g.InvalidNetwork(a)},a.fromString=function(e){return d.checkArgument(i.isString(e),"No valid string was provided"),new a(e)},a.fromObject=function(e){return d.checkArgument(i.isObject(e),"No valid argument was provided"),new a(e)},a.prototype._buildFromJSON=function(e){return this._buildFromObject(JSON.parse(e))},a.prototype._buildFromObject=function(e){var t={version:e.network?y.integerAsBuffer(u.get(e.network).xprivkey):e.version,depth:i.isNumber(e.depth)?y.integerAsSingleByteBuffer(e.depth):e.depth,parentFingerPrint:i.isNumber(e.parentFingerPrint)?y.integerAsBuffer(e.parentFingerPrint):e.parentFingerPrint,childIndex:i.isNumber(e.childIndex)?y.integerAsBuffer(e.childIndex):e.childIndex,chainCode:i.isString(e.chainCode)?y.hexToBuffer(e.chainCode):e.chainCode,privateKey:i.isString(e.privateKey)&&_.isHexa(e.privateKey)?y.hexToBuffer(e.privateKey):e.privateKey,checksum:e.checksum?e.checksum.length?e.checksum:y.integerAsBuffer(e.checksum):void 0};return this._buildFromBuffers(t)},a.prototype._buildFromSerialized=function(e){var t=f.decode(e),r={version:t.slice(a.VersionStart,a.VersionEnd),depth:t.slice(a.DepthStart,a.DepthEnd),parentFingerPrint:t.slice(a.ParentFingerPrintStart,a.ParentFingerPrintEnd),childIndex:t.slice(a.ChildIndexStart,a.ChildIndexEnd),chainCode:t.slice(a.ChainCodeStart,a.ChainCodeEnd),privateKey:t.slice(a.PrivateKeyStart,a.PrivateKeyEnd),checksum:t.slice(a.ChecksumStart,a.ChecksumEnd),xprivkey:e};return this._buildFromBuffers(r)},a.prototype._generateRandomly=function(e){return a.fromSeed(h.getRandomBuffer(64),e)},a.fromSeed=function(e,t){if(_.isHexaString(e)&&(e=y.hexToBuffer(e)),!r.isBuffer(e))throw new m.InvalidEntropyArgument(e);if(e.length<128*v)throw new m.InvalidEntropyArgument.NotEnoughEntropy(e);if(e.length>512*v)throw new m.InvalidEntropyArgument.TooMuchEntropy(e);var o=p.sha512hmac(e,new n.Buffer("Bitcoin seed"));return new a({network:u.get(t)||u.defaultNetwork,depth:0,parentFingerPrint:0,childIndex:0,privateKey:o.slice(0,32),chainCode:o.slice(32,64)})},a.prototype._calcHDPublicKey=function(){if(!this._hdPublicKey){var t=e("./hdpublickey");this._hdPublicKey=new t(this)}},a.prototype._buildFromBuffers=function(e){a._validateBufferArguments(e),_.defineImmutable(this,{_buffers:e});var t=[e.version,e.depth,e.parentFingerPrint,e.childIndex,e.chainCode,y.emptyBuffer(1),e.privateKey],o=n.Buffer.concat(t);if(!e.checksum||!e.checksum.length)e.checksum=f.checksum(o);else if(e.checksum.toString()!==f.checksum(o).toString())throw new g.InvalidB58Checksum(o);var i=u.get(y.integerFromBuffer(e.version)),d;d=f.encode(n.Buffer.concat(t)),e.xprivkey=new r(d);var c=new b(s.fromBuffer(e.privateKey),i),l=c.toPublicKey(),h=a.ParentFingerPrintSize,m=p.sha256ripemd160(l.toBuffer()).slice(0,h);return _.defineImmutable(this,{xprivkey:d,network:i,depth:y.integerFromSingleByteBuffer(e.depth),privateKey:c,publicKey:l,fingerPrint:m}),this._hdPublicKey=null,Object.defineProperty(this,"hdPublicKey",{configurable:!1,enumerable:!0,get:function(){return this._calcHDPublicKey(),this._hdPublicKey}}),Object.defineProperty(this,"xpubkey",{configurable:!1,enumerable:!0,get:function(){return this._calcHDPublicKey(),this._hdPublicKey.xpubkey}}),this},a._validateBufferArguments=function(e){var t=function(t,r){var a=e[t];o(y.isBuffer(a),t+" argument is not a buffer"),o(a.length===r,t+" has not the expected size: found "+a.length+", expected "+r)};t("version",a.VersionSize),t("depth",a.DepthSize),t("parentFingerPrint",a.ParentFingerPrintSize),t("childIndex",a.ChildIndexSize),t("chainCode",a.ChainCodeSize),t("privateKey",a.PrivateKeySize),e.checksum&&e.checksum.length&&t("checksum",a.CheckSumSize)},a.prototype.toString=function(){return this.xprivkey},a.prototype.inspect=function(){return"<HDPrivateKey: "+this.xprivkey+">"},a.prototype.toObject=a.prototype.toJSON=function(){return{network:u.get(y.integerFromBuffer(this._buffers.version),"xprivkey").name,depth:y.integerFromSingleByteBuffer(this._buffers.depth),fingerPrint:y.integerFromBuffer(this.fingerPrint),parentFingerPrint:y.integerFromBuffer(this._buffers.parentFingerPrint),childIndex:y.integerFromBuffer(this._buffers.childIndex),chainCode:y.bufferToHex(this._buffers.chainCode),privateKey:this.privateKey.toBuffer().toString("hex"),checksum:y.integerFromBuffer(this._buffers.checksum),xprivkey:this.xprivkey}},a.fromBuffer=function(e){return new a(e.toString())},a.prototype.toBuffer=function(){return y.copy(this._buffers.xprivkey)},a.DefaultDepth=0,a.DefaultFingerprint=0,a.DefaultChildIndex=0,a.Hardened=2147483648,a.MaxIndex=2*a.Hardened,a.RootElementAlias=["m","M","m'","M'"],a.VersionSize=4,a.DepthSize=1,a.ParentFingerPrintSize=4,a.ChildIndexSize=4,a.ChainCodeSize=32,a.PrivateKeySize=32,a.CheckSumSize=4,a.DataLength=78,a.SerializedByteSize=82,a.VersionStart=0,a.VersionEnd=a.VersionStart+a.VersionSize,a.DepthStart=a.VersionEnd,a.DepthEnd=a.DepthStart+a.DepthSize,a.ParentFingerPrintStart=a.DepthEnd,a.ParentFingerPrintEnd=a.ParentFingerPrintStart+a.ParentFingerPrintSize,a.ChildIndexStart=a.ParentFingerPrintEnd,a.ChildIndexEnd=a.ChildIndexStart+a.ChildIndexSize,a.ChainCodeStart=a.ChildIndexEnd,a.ChainCodeEnd=a.ChainCodeStart+a.ChainCodeSize,a.PrivateKeyStart=a.ChainCodeEnd+1,a.PrivateKeyEnd=a.PrivateKeyStart+a.PrivateKeySize,a.ChecksumStart=a.PrivateKeyEnd,a.ChecksumEnd=a.ChecksumStart+a.CheckSumSize,o(a.ChecksumEnd===a.SerializedByteSize),t.exports=a}).call(this,e("buffer").Buffer)},{"./crypto/bn":7,"./crypto/hash":9,"./crypto/point":10,"./crypto/random":11,"./encoding/base58":13,"./encoding/base58check":14,"./errors":18,"./hdpublickey":21,"./networks":33,"./privatekey":35,"./util/buffer":54,"./util/js":55,"./util/preconditions":56,assert:72,buffer:126,lodash:204}],21:[function(e,t){(function(r){"use strict";function a(e){if(e instanceof a)return e;if(!(this instanceof a))return new a(e);if(!e)throw new m.MustSupplyArgument;else if(n.isString(e)||v.isBuffer(e)){var t=a.getSerializedError(e);if(!t)return this._buildFromSerialized(e);if(v.isBuffer(e)&&!a.getSerializedError(e.toString()))return this._buildFromSerialized(e.toString());if(t instanceof m.ArgumentIsPrivateExtended)return new p(e).hdPublicKey;throw t}else{if(n.isObject(e))return e instanceof p?this._buildFromPrivate(e):this._buildFromObject(e);throw new m.UnrecognizedArgument(e)}}var o="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},n=e("lodash"),i=e("./util/preconditions"),d=e("./crypto/bn"),s=e("./encoding/base58"),c=e("./encoding/base58check"),f=e("./crypto/hash"),p=e("./hdprivatekey"),u=e("./networks"),l=e("./crypto/point"),b=e("./publickey"),h=e("./errors"),g=h,m=h.HDPublicKey,y=e("assert"),_=e("./util/js"),v=e("./util/buffer");a.isValidPath=function(e){if(n.isString(e)){var t=p._getDerivationIndexes(e);return null!==t&&n.every(t,a.isValidPath)}return!!n.isNumber(e)&&0<=e&&e<a.Hardened},a.prototype.derive=function(e,t){return this.deriveChild(e,t)},a.prototype.deriveChild=function(e,t){if(n.isNumber(e))return this._deriveWithNumber(e,t);if(n.isString(e))return this._deriveFromString(e);throw new m.InvalidDerivationArgument(e)},a.prototype._deriveWithNumber=function(e,t){if(e>=a.Hardened||t)throw new m.InvalidIndexCantDeriveHardened;if(0>e)throw new m.InvalidPath(e);var r=v.integerAsBuffer(e),o=v.concat([this.publicKey.toBuffer(),r]),n=f.sha512hmac(o,this._buffers.chainCode),i=d.fromBuffer(n.slice(0,32),{size:32}),s=n.slice(32,64),c;try{c=b.fromPoint(l.getG().mul(i).add(this.publicKey.point))}catch(t){return this._deriveWithNumber(e+1)}var p=new a({network:this.network,depth:this.depth+1,parentFingerPrint:this.fingerPrint,childIndex:e,chainCode:s,publicKey:c});return p},a.prototype._deriveFromString=function(e){if(n.includes(e,"'"))throw new m.InvalidIndexCantDeriveHardened;else if(!a.isValidPath(e))throw new m.InvalidPath(e);var t=p._getDerivationIndexes(e),r=t.reduce(function(e,t){return e._deriveWithNumber(t)},this);return r},a.isValidSerialized=function(e,t){return n.isNull(a.getSerializedError(e,t))},a.getSerializedError=function(e,t){if(!(n.isString(e)||v.isBuffer(e)))return new m.UnrecognizedArgument("expected buffer or string");if(!s.validCharacters(e))return new g.InvalidB58Char("(unknown)",e);try{e=c.decode(e)}catch(t){return new g.InvalidB58Checksum(e)}if(e.length!==a.DataSize)return new m.InvalidLength(e);if(!n.isUndefined(t)){var r=a._validateNetwork(e,t);if(r)return r}var o=v.integerFromBuffer(e.slice(0,4));return o===u.livenet.xprivkey||o===u.testnet.xprivkey?new m.ArgumentIsPrivateExtended:null},a._validateNetwork=function(e,t){var r=u.get(t);if(!r)return new g.InvalidNetworkArgument(t);var o=e.slice(a.VersionStart,a.VersionEnd);return v.integerFromBuffer(o)===r.xpubkey?null:new g.InvalidNetwork(o)},a.prototype._buildFromPrivate=function(e){var t=n.clone(e._buffers),r=l.getG().mul(d.fromBuffer(t.privateKey));return t.publicKey=l.pointToCompressed(r),t.version=v.integerAsBuffer(u.get(v.integerFromBuffer(t.version)).xpubkey),t.privateKey=void 0,t.checksum=void 0,t.xprivkey=void 0,this._buildFromBuffers(t)},a.prototype._buildFromObject=function(e){var t={version:e.network?v.integerAsBuffer(u.get(e.network).xpubkey):e.version,depth:n.isNumber(e.depth)?v.integerAsSingleByteBuffer(e.depth):e.depth,parentFingerPrint:n.isNumber(e.parentFingerPrint)?v.integerAsBuffer(e.parentFingerPrint):e.parentFingerPrint,childIndex:n.isNumber(e.childIndex)?v.integerAsBuffer(e.childIndex):e.childIndex,chainCode:n.isString(e.chainCode)?v.hexToBuffer(e.chainCode):e.chainCode,publicKey:n.isString(e.publicKey)?v.hexToBuffer(e.publicKey):v.isBuffer(e.publicKey)?e.publicKey:e.publicKey.toBuffer(),checksum:n.isNumber(e.checksum)?v.integerAsBuffer(e.checksum):e.checksum};return this._buildFromBuffers(t)},a.prototype._buildFromSerialized=function(e){var t=c.decode(e),r={version:t.slice(a.VersionStart,a.VersionEnd),depth:t.slice(a.DepthStart,a.DepthEnd),parentFingerPrint:t.slice(a.ParentFingerPrintStart,a.ParentFingerPrintEnd),childIndex:t.slice(a.ChildIndexStart,a.ChildIndexEnd),chainCode:t.slice(a.ChainCodeStart,a.ChainCodeEnd),publicKey:t.slice(a.PublicKeyStart,a.PublicKeyEnd),checksum:t.slice(a.ChecksumStart,a.ChecksumEnd),xpubkey:e};return this._buildFromBuffers(r)},a.prototype._buildFromBuffers=function(e){a._validateBufferArguments(e),_.defineImmutable(this,{_buffers:e});var t=[e.version,e.depth,e.parentFingerPrint,e.childIndex,e.chainCode,e.publicKey],o=v.concat(t),n=c.checksum(o);if(!e.checksum||!e.checksum.length)e.checksum=n;else if(e.checksum.toString("hex")!==n.toString("hex"))throw new g.InvalidB58Checksum(o,n);var i=u.get(v.integerFromBuffer(e.version)),d;d=c.encode(v.concat(t)),e.xpubkey=new r(d);var s=new b(e.publicKey,{network:i}),p=a.ParentFingerPrintSize,l=f.sha256ripemd160(s.toBuffer()).slice(0,p);return _.defineImmutable(this,{xpubkey:d,network:i,depth:v.integerFromSingleByteBuffer(e.depth),publicKey:s,fingerPrint:l}),this},a._validateBufferArguments=function(e){var t=function(t,r){var a=e[t];y(v.isBuffer(a),t+" argument is not a buffer, it's "+("undefined"==typeof a?"undefined":o(a))),y(a.length===r,t+" has not the expected size: found "+a.length+", expected "+r)};t("version",a.VersionSize),t("depth",a.DepthSize),t("parentFingerPrint",a.ParentFingerPrintSize),t("childIndex",a.ChildIndexSize),t("chainCode",a.ChainCodeSize),t("publicKey",a.PublicKeySize),e.checksum&&e.checksum.length&&t("checksum",a.CheckSumSize)},a.fromString=function(e){return i.checkArgument(n.isString(e),"No valid string was provided"),new a(e)},a.fromObject=function(e){return i.checkArgument(n.isObject(e),"No valid argument was provided"),new a(e)},a.prototype.toString=function(){return this.xpubkey},a.prototype.inspect=function(){return"<HDPublicKey: "+this.xpubkey+">"},a.prototype.toObject=a.prototype.toJSON=function(){return{network:u.get(v.integerFromBuffer(this._buffers.version)).name,depth:v.integerFromSingleByteBuffer(this._buffers.depth),fingerPrint:v.integerFromBuffer(this.fingerPrint),parentFingerPrint:v.integerFromBuffer(this._buffers.parentFingerPrint),childIndex:v.integerFromBuffer(this._buffers.childIndex),chainCode:v.bufferToHex(this._buffers.chainCode),publicKey:this.publicKey.toString(),checksum:v.integerFromBuffer(this._buffers.checksum),xpubkey:this.xpubkey}},a.fromBuffer=function(e){return new a(e)},a.prototype.toBuffer=function(){return v.copy(this._buffers.xpubkey)},a.Hardened=2147483648,a.RootElementAlias=["m","M"],a.VersionSize=4,a.DepthSize=1,a.ParentFingerPrintSize=4,a.ChildIndexSize=4,a.ChainCodeSize=32,a.PublicKeySize=33,a.CheckSumSize=4,a.DataSize=78,a.SerializedByteSize=82,a.VersionStart=0,a.VersionEnd=a.VersionStart+a.VersionSize,a.DepthStart=a.VersionEnd,a.DepthEnd=a.DepthStart+a.DepthSize,a.ParentFingerPrintStart=a.DepthEnd,a.ParentFingerPrintEnd=a.ParentFingerPrintStart+a.ParentFingerPrintSize,a.ChildIndexStart=a.ParentFingerPrintEnd,a.ChildIndexEnd=a.ChildIndexStart+a.ChildIndexSize,a.ChainCodeStart=a.ChildIndexEnd,a.ChainCodeEnd=a.ChainCodeStart+a.ChainCodeSize,a.PublicKeyStart=a.ChainCodeEnd,a.PublicKeyEnd=a.PublicKeyStart+a.PublicKeySize,a.ChecksumStart=a.PublicKeyEnd,a.ChecksumEnd=a.ChecksumStart+a.CheckSumSize,y(a.PublicKeyEnd===a.DataSize),y(a.ChecksumEnd===a.SerializedByteSize),t.exports=a}).call(this,e("buffer").Buffer)},{"./crypto/bn":7,"./crypto/hash":9,"./crypto/point":10,"./encoding/base58":13,"./encoding/base58check":14,"./errors":18,"./hdprivatekey":20,"./networks":33,"./publickey":36,"./util/buffer":54,"./util/js":55,"./util/preconditions":56,assert:72,buffer:126,lodash:204}],22:[function(e,t){(function(r){"use strict";var a=e("lodash"),o=e("./util/preconditions"),n=e("./address"),i=e("./publickey"),d=e("./privatekey"),s=e("./encoding/bufferwriter"),c=e("./crypto/ecdsa"),f=e("./crypto/signature"),p=e("./crypto/hash").sha256sha256,u=e("./util/js"),l=function e(t){return this instanceof e?(o.checkArgument(a.isString(t),"First argument should be a string"),this.message=t,this):new e(t)};l.MAGIC_BYTES=new r("Bitcoin Signed Message:\n"),l.prototype.magicHash=function(){var e=s.varintBufNum(l.MAGIC_BYTES.length),t=new r(this.message),a=s.varintBufNum(t.length),o=r.concat([e,l.MAGIC_BYTES,a,t]),n=p(o);return n},l.prototype._sign=function(e){console.log(e),o.checkArgument(e instanceof d,"First argument should be an instance of PrivateKey");var t=this.magicHash(),r=new c;return r.hashbuf=t,r.privkey=e,r.pubkey=e.toPublicKey(),r.signRandomK(),r.calci(),r.sig},l.prototype.sign=function(e){var t=this._sign(e);return t.toCompact().toString("base64")},l.prototype._verify=function(e,t){o.checkArgument(e instanceof i,"First argument should be an instance of PublicKey"),o.checkArgument(t instanceof f,"Second argument should be an instance of Signature");var r=this.magicHash(),a=c.verify(r,t,e);return a||(this.error="The signature was invalid"),a},l.prototype.verify=function(e,t){o.checkArgument(e),o.checkArgument(t&&a.isString(t)),a.isString(e)&&(e=n.fromString(e));var i=f.fromCompact(new r(t,"base64")),d=new c;d.hashbuf=this.magicHash(),d.sig=i;var s=d.toPublicKey(),p=n.fromPublicKey(s,e.network);return e.toString()===p.toString()?this._verify(s,i):(this.error="The signature did not match the message digest",!1)},l.fromString=function(e){return new l(e)},l.fromJSON=function(e){return u.isValidJSON(e)&&(e=JSON.parse(e)),new l(e.message)},l.prototype.toObject=function(){return{message:this.message}},l.prototype.toJSON=function(){return JSON.stringify(this.toObject())},l.prototype.toString=function(){return this.message},l.prototype.inspect=function(){return"<Message: "+this.toString()+">"},t.exports=l}).call(this,e("buffer").Buffer)},{"./address":1,"./crypto/ecdsa":8,"./crypto/hash":9,"./crypto/signature":12,"./encoding/bufferwriter":16,"./privatekey":35,"./publickey":36,"./util/js":55,"./util/preconditions":56,buffer:126,lodash:204}],23:[function(e,t){"use strict";t.exports=e("./mnemonic")},{"./mnemonic":24}],24:[function(e,t){(function(r){"use strict";var a=e("lodash"),o=e("../util/preconditions"),n=e("../crypto/bn"),d=e("../errors"),i=e("../crypto/hash"),s=e("../hdprivatekey"),c=e("../crypto/random"),f=e("unorm"),p=function e(t,o){if(!(this instanceof e))return new e(t,o);a.isArray(t)&&(o=t,t=null);var n,i,s;if(r.isBuffer(t))s=t;else if(a.isString(t))i=f.nfkd(t);else if(a.isNumber(t))n=t;else if(t)throw new d.InvalidArgument("data","Must be a Buffer, a string or an integer");if(n=n||128,o=o||e._getDictionary(i),i&&!o)throw new d.UnknownWordlist(i);if(o=o||e.Words.ENGLISH,s&&(i=e._entropy2mnemonic(s,o)),i&&!e.isValid(i,o))throw new d.InvalidMnemonic(i);if(0!=n%32||128>n)throw new d.InvalidArgument("ENT","Values must be ENT > 128 and ENT % 32 == 0");i=i||e._mnemonic(n,o),Object.defineProperty(this,"wordlist",{configurable:!1,value:o}),Object.defineProperty(this,"phrase",{configurable:!1,value:i})};p.Words=e("./words"),p.isValid=function(e,t){if(e=f.nfkd(e),t=t||p._getDictionary(e),!t)return!1;for(var a=e.split(" "),o="",n=0,i;n<a.length;n++){if(i=t.indexOf(a[n]),0>i)return!1;o+=("00000000000"+i.toString(2)).slice(-11)}var d=o.length/33,s=o.slice(-d),c=o.slice(0,o.length-d),u=new r(c.length/8);for(n=0;n<c.length/8;n++)u.writeUInt8(parseInt(o.slice(8*n,8*(n+1)),2),n);var l=p._entropyChecksum(u);return l===s},p._belongsToWordlist=function(e,t){for(var r=f.nfkd(e).split(" "),a=0,o;a<r.length;a++)if(o=t.indexOf(r[a]),0>o)return!1;return!0},p._getDictionary=function(e){if(!e)return null;for(var t=Object.keys(p.Words),r=0,a;r<t.length;r++)if(a=t[r],p._belongsToWordlist(e,p.Words[a]))return p.Words[a];return null},p.prototype.toSeed=function(e){return e=e||"",p.pbkdf2(f.nfkd(this.phrase),f.nfkd("mnemonic"+e),2048,64)},p.fromSeed=function(e,t){return o.checkArgument(r.isBuffer(e),"seed must be a Buffer."),o.checkArgument(a.isArray(t)||a.isString(t),"wordlist must be a string or an array."),new p(e,t)},p.prototype.toHDPrivateKey=function(e,t){var r=this.toSeed(e);return s.fromSeed(r,t)},p.prototype.toString=function(){return this.phrase},p.prototype.inspect=function(){return"<Mnemonic: "+this.toString()+" >"},p._mnemonic=function(e,t){var r=c.getRandomBuffer(e/8);return p._entropy2mnemonic(r,t)},p._entropy2mnemonic=function(e,t){for(var r="",a=0;a<e.length;a++)r+=("00000000"+e[a].toString(2)).slice(-8);if(r+=p._entropyChecksum(e),0!=r.length%11)throw new d.InvalidEntropy(r);var o=[];for(a=0;a<r.length/11;a++){var n=parseInt(r.slice(11*a,11*(a+1)),2);o.push(t[n])}var i;return i=t===p.Words.JAPANESE?o.join("\u3000"):o.join(" "),i},p._entropyChecksum=function(e){for(var 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a(a.map.OP_1+e-1)},a.map={OP_FALSE:0,OP_0:0,OP_PUSHDATA1:76,OP_PUSHDATA2:77,OP_PUSHDATA4:78,OP_1NEGATE:79,OP_RESERVED:80,OP_TRUE:81,OP_1:81,OP_2:82,OP_3:83,OP_4:84,OP_5:85,OP_6:86,OP_7:87,OP_8:88,OP_9:89,OP_10:90,OP_11:91,OP_12:92,OP_13:93,OP_14:94,OP_15:95,OP_16:96,OP_NOP:97,OP_VER:98,OP_IF:99,OP_NOTIF:100,OP_VERIF:101,OP_VERNOTIF:102,OP_ELSE:103,OP_ENDIF:104,OP_VERIFY:105,OP_RETURN:106,OP_TOALTSTACK:107,OP_FROMALTSTACK:108,OP_2DROP:109,OP_2DUP:110,OP_3DUP:111,OP_2OVER:112,OP_2ROT:113,OP_2SWAP:114,OP_IFDUP:115,OP_DEPTH:116,OP_DROP:117,OP_DUP:118,OP_NIP:119,OP_OVER:120,OP_PICK:121,OP_ROLL:122,OP_ROT:123,OP_SWAP:124,OP_TUCK:125,OP_CAT:126,OP_SUBSTR:127,OP_LEFT:128,OP_RIGHT:129,OP_SIZE:130,OP_INVERT:131,OP_AND:132,OP_OR:133,OP_XOR:134,OP_EQUAL:135,OP_EQUALVERIFY:136,OP_RESERVED1:137,OP_RESERVED2:138,OP_1ADD:139,OP_1SUB:140,OP_2MUL:141,OP_2DIV:142,OP_NEGATE:143,OP_ABS:144,OP_NOT:145,OP_0NOTEQUAL:146,OP_ADD:147,OP_SUB:148,OP_MUL:149,OP_DIV:150,OP_MOD:151,OP_LSHIFT:152,OP_RSHIFT:153,OP_BOOLAND:154,OP_BOOLOR:155,OP_NUMEQUAL:156,OP_NUMEQUALVERIFY:157,OP_NUMNOTEQUAL:158,OP_LESSTHAN:159,OP_GREATERTHAN:160,OP_LESSTHANOREQUAL:161,OP_GREATERTHANOREQUAL:162,OP_MIN:163,OP_MAX:164,OP_WITHIN:165,OP_RIPEMD160:166,OP_SHA1:167,OP_SHA256:168,OP_HASH160:169,OP_HASH256:170,OP_CODESEPARATOR:171,OP_CHECKSIG:172,OP_CHECKSIGVERIFY:173,OP_CHECKMULTISIG:174,OP_CHECKMULTISIGVERIFY:175,OP_CHECKLOCKTIMEVERIFY:177,OP_NOP1:176,OP_NOP2:177,OP_NOP3:178,OP_NOP4:179,OP_NOP5:180,OP_NOP6:181,OP_NOP7:182,OP_NOP8:183,OP_NOP9:184,OP_NOP10:185,OP_PUBKEYHASH:253,OP_PUBKEY:254,OP_INVALIDOPCODE:255},a.reverseMap=[],a.map)a.reverseMap[a.map[c]]=c;i.extend(a,a.map),a.isSmallIntOp=function(e){return e instanceof a&&(e=e.toNumber()),e===a.map.OP_0||e>=a.map.OP_1&&e<=a.map.OP_16},a.prototype.inspect=function(){return"<Opcode: "+this.toString()+", hex: "+this.toHex()+", decimal: "+this.num+">"},t.exports=a}).call(this,e("buffer").Buffer)},{"./util/buffer":54,"./util/js":55,"./util/preconditions":56,buffer:126,lodash:204}],35:[function(e,t){(function(r){"use strict";function a(e,t){if(!(this instanceof a))return new a(e,t);if(e instanceof a)return e;var r=this._classifyArguments(e,t);if(!r.bn||0===r.bn.cmp(new d(0)))throw new TypeError("Number can not be equal to zero, undefined, null or false");if(!r.bn.lt(f.getN()))throw new TypeError("Number must be less than N");if("undefined"==typeof r.network)throw new TypeError("Must specify the network (\"livenet\" or \"testnet\")");return s.defineImmutable(this,{bn:r.bn,compressed:r.compressed,network:r.network}),Object.defineProperty(this,"publicKey",{configurable:!1,enumerable:!0,get:this.toPublicKey.bind(this)}),this}var o=e("lodash"),n=e("./address"),i=e("./encoding/base58check"),d=e("./crypto/bn"),s=e("./util/js"),c=e("./networks"),f=e("./crypto/point"),p=e("./publickey"),u=e("./crypto/random"),l=e("./util/preconditions");a.prototype._classifyArguments=function(e,t){var n={compressed:!0,network:t?c.get(t):c.defaultNetwork};if(o.isUndefined(e)||o.isNull(e))n.bn=a._getRandomBN();else if(e instanceof d)n.bn=e;else if(e instanceof r||e instanceof Uint8Array)n=a._transformBuffer(e,t);else if(e.bn&&e.network)n=a._transformObject(e);else if(!t&&c.get(e))n.bn=a._getRandomBN(),n.network=c.get(e);else if("string"==typeof e)s.isHexa(e)?n.bn=new d(new r(e,"hex")):n=a._transformWIF(e,t);else throw new TypeError("First argument is an unrecognized data type.");return n},a._getRandomBN=function(){var e,t;do{var r=u.getRandomBuffer(32);t=d.fromBuffer(r),e=t.lt(f.getN())}while(!e);return t},a._transformBuffer=function(e,t){var r={};if(32===e.length)return a._transformBNBuffer(e,t);if(r.network=c.get(e[0],"privatekey"),!r.network)throw new Error("Invalid network");if(t&&r.network!==c.get(t))throw new TypeError("Private key network mismatch");if(34===e.length&&1===e[33])r.compressed=!0;else if(33===e.length)r.compressed=!1;else throw new Error("Length of buffer must be 33 (uncompressed) or 34 (compressed)");return r.bn=d.fromBuffer(e.slice(1,33)),r},a._transformBNBuffer=function(e,t){var r={network:c.get(t)||c.defaultNetwork,bn:d.fromBuffer(e),compressed:!1};return r},a._transformWIF=function(e,t){return a._transformBuffer(i.decode(e),t)},a.fromBuffer=function(e,t){return new a(e,t)},a._transformObject=function(e){var t=new d(e.bn,"hex"),r=c.get(e.network);return{bn:t,network:r,compressed:e.compressed}},a.fromString=a.fromWIF=function(e){return l.checkArgument(o.isString(e),"First argument is expected to be a string."),new a(e)},a.fromObject=function(e){return l.checkArgument(o.isObject(e),"First argument is expected to be an object."),new a(e)},a.fromRandom=function(e){var t=a._getRandomBN();return new a(t,e)},a.getValidationError=function(e,t){var r;try{new a(e,t)}catch(t){r=t}return r},a.isValid=function(e,t){return!!e&&!a.getValidationError(e,t)},a.prototype.toString=function(){return this.toBuffer().toString("hex")},a.prototype.toWIF=function(){var e=this.network,t=this.compressed,a;return a=t?r.concat([new r([e.privatekey]),this.bn.toBuffer({size:32}),new r([1])]):r.concat([new r([e.privatekey]),this.bn.toBuffer({size:32})]),i.encode(a)},a.prototype.toBigNumber=function(){return this.bn},a.prototype.toBuffer=function(){return this.bn.toBuffer()},a.prototype.toBufferNoPadding=function(){return this.bn.toBuffer()},a.prototype.toPublicKey=function(){return this._pubkey||(this._pubkey=p.fromPrivateKey(this)),this._pubkey},a.prototype.toAddress=function(e){var t=this.toPublicKey();return n.fromPublicKey(t,e||this.network)},a.prototype.toObject=a.prototype.toJSON=function(){return{bn:this.bn.toString("hex"),compressed:this.compressed,network:this.network.toString()}},a.prototype.inspect=function(){var e=this.compressed?"":", uncompressed";return"<PrivateKey: "+this.toString()+", network: "+this.network+e+">"},t.exports=a}).call(this,e("buffer").Buffer)},{"./address":1,"./crypto/bn":7,"./crypto/point":10,"./crypto/random":11,"./encoding/base58check":14,"./networks":33,"./publickey":36,"./util/js":55,"./util/preconditions":56,buffer:126,lodash:204}],36:[function(e,t){(function(r){"use strict";function a(e,t){if(!(this instanceof a))return new a(e,t);if(f.checkArgument(e,"First argument is required, please include public key data."),e instanceof a)return e;t=t||{};var r=this._classifyArgs(e,t);return r.point.validate(),d.defineImmutable(this,{point:r.point,compressed:r.compressed,network:r.network||s.defaultNetwork}),this}var o=e("./crypto/bn"),n=e("./crypto/point"),i=e("./crypto/hash"),d=e("./util/js"),s=e("./networks"),c=e("lodash"),f=e("./util/preconditions");a.prototype._classifyArgs=function(e,t){var o={compressed:c.isUndefined(t.compressed)||t.compressed};if(e instanceof n)o.point=e;else if(e.x&&e.y)o=a._transformObject(e);else if("string"==typeof e)o=a._transformDER(new r(e,"hex"));else if(a._isBuffer(e))o=a._transformDER(e);else if(a._isPrivateKey(e))o=a._transformPrivateKey(e);else throw new TypeError("First argument is an unrecognized data format.");return o.network||(o.network=c.isUndefined(t.network)?void 0:s.get(t.network)),o},a._isPrivateKey=function(t){var r=e("./privatekey");return t instanceof r},a._isBuffer=function(e){return e instanceof r||e instanceof Uint8Array},a._transformPrivateKey=function(e){f.checkArgument(a._isPrivateKey(e),"Must be an instance of PrivateKey");var t={point:n.getG().mul(e.bn),compressed:e.compressed,network:e.network};return t},a._transformDER=function(e,t){f.checkArgument(a._isBuffer(e),"Must be a hex buffer of DER encoded public key");var r={};t=!!c.isUndefined(t)||t;var i,d,s,p;if(4===e[0]||!t&&(6===e[0]||7===e[0])){if(s=e.slice(1,33),p=e.slice(33,65),32!==s.length||32!==p.length||65!==e.length)throw new TypeError("Length of x and y must be 32 bytes");i=new o(s),d=new o(p),r.point=new n(i,d),r.compressed=!1}else if(3===e[0])s=e.slice(1),i=new o(s),r=a._transformX(!0,i),r.compressed=!0;else if(2===e[0])s=e.slice(1),i=new o(s),r=a._transformX(!1,i),r.compressed=!0;else throw new TypeError("Invalid DER format public key");return r},a._transformX=function(e,t){f.checkArgument("boolean"==typeof e,"Must specify whether y is odd or not (true or false)");var r={point:n.fromX(e,t)};return r},a._transformObject=function(e){var t=new o(e.x,"hex"),r=new o(e.y,"hex"),i=new n(t,r);return new a(i,{compressed:e.compressed})},a.fromPrivateKey=function(e){f.checkArgument(a._isPrivateKey(e),"Must be an instance of PrivateKey");var t=a._transformPrivateKey(e);return new a(t.point,{compressed:t.compressed,network:t.network})},a.fromDER=a.fromBuffer=function(e,t){f.checkArgument(a._isBuffer(e),"Must be a hex buffer of DER encoded public key");var r=a._transformDER(e,t);return new a(r.point,{compressed:r.compressed})},a.fromPoint=function(e,t){return f.checkArgument(e instanceof n,"First argument must be an instance of Point."),new a(e,{compressed:t})},a.fromString=function(e,t){var o=new r(e,t||"hex"),n=a._transformDER(o);return new a(n.point,{compressed:n.compressed})},a.fromX=function(e,t){var r=a._transformX(e,t);return new a(r.point,{compressed:r.compressed})},a.getValidationError=function(e){var t;try{new a(e)}catch(r){t=r}return t},a.isValid=function(e){return!a.getValidationError(e)},a.prototype.toObject=a.prototype.toJSON=function(){return{x:this.point.getX().toString("hex",2),y:this.point.getY().toString("hex",2),compressed:this.compressed}},a.prototype.toBuffer=a.prototype.toDER=function(){var e=this.point.getX(),t=this.point.getY(),a=e.toBuffer({size:32}),o=t.toBuffer({size:32}),n;if(!this.compressed)return n=new r([4]),r.concat([n,a,o]);var i=o[o.length-1]%2;return n=i?new r([3]):new r([2]),r.concat([n,a])},a.prototype._getID=function(){return i.sha256ripemd160(this.toBuffer())},a.prototype.toAddress=function(t){var r=e("./address");return r.fromPublicKey(this,t||this.network)},a.prototype.toString=function(){return this.toDER().toString("hex")},a.prototype.inspect=function(){return"<PublicKey: "+this.toString()+(this.compressed?"":", uncompressed")+">"},t.exports=a}).call(this,e("buffer").Buffer)},{"./address":1,"./crypto/bn":7,"./crypto/hash":9,"./crypto/point":10,"./networks":33,"./privatekey":35,"./util/js":55,"./util/preconditions":56,buffer:126,lodash:204}],37:[function(e,t){"use strict";t.exports=e("./script"),t.exports.Interpreter=e("./interpreter")},{"./interpreter":38,"./script":39}],38:[function(e,t){(function(r){"use strict";var a=e("lodash"),o=e("./script"),d=e("../opcode"),s=e("../crypto/bn"),n=e("../crypto/hash"),i=e("../crypto/signature"),c=e("../publickey"),f=function e(t){return this instanceof e?void(t?(this.initialize(),this.set(t)):this.initialize()):new e(t)};f.prototype.verify=function(t,r,n,i,d){var s=e("../transaction");a.isUndefined(n)&&(n=new s),a.isUndefined(i)&&(i=0),a.isUndefined(d)&&(d=0),this.set({script:t,tx:n,nin:i,flags:d});var c;if(0!=(d&f.SCRIPT_VERIFY_SIGPUSHONLY)&&!t.isPushOnly())return this.errstr="SCRIPT_ERR_SIG_PUSHONLY",!1;if(!this.evaluate())return!1;d&f.SCRIPT_VERIFY_P2SH&&(c=this.stack.slice());var p=this.stack;if(this.initialize(),this.set({script:r,stack:p,tx:n,nin:i,flags:d}),!this.evaluate())return!1;if(0===this.stack.length)return this.errstr="SCRIPT_ERR_EVAL_FALSE_NO_RESULT",!1;var u=this.stack[this.stack.length-1];if(!f.castToBool(u))return this.errstr="SCRIPT_ERR_EVAL_FALSE_IN_STACK",!1;if(d&f.SCRIPT_VERIFY_P2SH&&r.isScriptHashOut()){if(!t.isPushOnly())return this.errstr="SCRIPT_ERR_SIG_PUSHONLY",!1;if(0===c.length)throw new Error("internal error - stack copy empty");var l=c[c.length-1],b=o.fromBuffer(l);return c.pop(),this.initialize(),this.set({script:b,stack:c,tx:n,nin:i,flags:d}),!!this.evaluate()&&(0===c.length?(this.errstr="SCRIPT_ERR_EVAL_FALSE_NO_P2SH_STACK",!1):!!f.castToBool(c[c.length-1])||(this.errstr="SCRIPT_ERR_EVAL_FALSE_IN_P2SH_STACK",!1))}return!0},t.exports=f,f.prototype.initialize=function(){this.stack=[],this.altstack=[],this.pc=0,this.pbegincodehash=0,this.nOpCount=0,this.vfExec=[],this.errstr="",this.flags=0},f.prototype.set=function(e){this.script=e.script||this.script,this.tx=e.tx||this.tx,this.nin="undefined"==typeof e.nin?this.nin:e.nin,this.stack=e.stack||this.stack,this.altstack=e.altack||this.altstack,this.pc="undefined"==typeof e.pc?this.pc:e.pc,this.pbegincodehash="undefined"==typeof e.pbegincodehash?this.pbegincodehash:e.pbegincodehash,this.nOpCount="undefined"==typeof e.nOpCount?this.nOpCount:e.nOpCount,this.vfExec=e.vfExec||this.vfExec,this.errstr=e.errstr||this.errstr,this.flags="undefined"==typeof e.flags?this.flags:e.flags},f.true=new r([1]),f.false=new r([]),f.MAX_SCRIPT_ELEMENT_SIZE=520,f.LOCKTIME_THRESHOLD=5e8,f.LOCKTIME_THRESHOLD_BN=new s(f.LOCKTIME_THRESHOLD),f.SCRIPT_VERIFY_NONE=0,f.SCRIPT_VERIFY_P2SH=1,f.SCRIPT_VERIFY_STRICTENC=2,f.SCRIPT_VERIFY_DERSIG=4,f.SCRIPT_VERIFY_LOW_S=8,f.SCRIPT_VERIFY_NULLDUMMY=16,f.SCRIPT_VERIFY_SIGPUSHONLY=32,f.SCRIPT_VERIFY_MINIMALDATA=64,f.SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_NOPS=128,f.SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY=512,f.castToBool=function(e){for(var t=0;t<e.length;t++)if(0!==e[t])return t===e.length-1&&128===e[t]?!1:!0;return!1},f.prototype.checkSignatureEncoding=function(e){var t;if(0!=(this.flags&(f.SCRIPT_VERIFY_DERSIG|f.SCRIPT_VERIFY_LOW_S|f.SCRIPT_VERIFY_STRICTENC))&&!i.isTxDER(e))return this.errstr="SCRIPT_ERR_SIG_DER_INVALID_FORMAT",!1;if(0!=(this.flags&f.SCRIPT_VERIFY_LOW_S)){if(t=i.fromTxFormat(e),!t.hasLowS())return this.errstr="SCRIPT_ERR_SIG_DER_HIGH_S",!1;}else if(0!=(this.flags&f.SCRIPT_VERIFY_STRICTENC)&&(t=i.fromTxFormat(e),!t.hasDefinedHashtype()))return this.errstr="SCRIPT_ERR_SIG_HASHTYPE",!1;return!0},f.prototype.checkPubkeyEncoding=function(e){return 0==(this.flags&f.SCRIPT_VERIFY_STRICTENC)||c.isValid(e)||(this.errstr="SCRIPT_ERR_PUBKEYTYPE",!1)},f.prototype.evaluate=function(){if(1e4<this.script.toBuffer().length)return this.errstr="SCRIPT_ERR_SCRIPT_SIZE",!1;try{for(;this.pc<this.script.chunks.length;){var e=this.step();if(!e)return!1}if(1e3<this.stack.length+this.altstack.length)return this.errstr="SCRIPT_ERR_STACK_SIZE",!1}catch(t){return this.errstr="SCRIPT_ERR_UNKNOWN_ERROR: "+t,!1}return!(0<this.vfExec.length)||(this.errstr="SCRIPT_ERR_UNBALANCED_CONDITIONAL",!1)},f.prototype.checkLockTime=function(e){return(this.tx.nLockTime<f.LOCKTIME_THRESHOLD&&e.lt(f.LOCKTIME_THRESHOLD_BN)||this.tx.nLockTime>=f.LOCKTIME_THRESHOLD&&e.gte(f.LOCKTIME_THRESHOLD_BN))&&!e.gt(new s(this.tx.nLockTime))&&!!this.tx.inputs[this.nin].isFinal()},f.prototype.step=function(){var e=0!=(this.flags&f.SCRIPT_VERIFY_MINIMALDATA),t=-1===this.vfExec.indexOf(!1),r=this.script.chunks[this.pc],p,u,l,b,h,g,m,y,_,v,S,I,x,w,A,E,P;this.pc++;var B=r.opcodenum;if(a.isUndefined(B))return this.errstr="SCRIPT_ERR_UNDEFINED_OPCODE",!1;if(r.buf&&r.buf.length>f.MAX_SCRIPT_ELEMENT_SIZE)return this.errstr="SCRIPT_ERR_PUSH_SIZE",!1;if(B>d.OP_16&&201<++this.nOpCount)return this.errstr="SCRIPT_ERR_OP_COUNT",!1;if(B===d.OP_CAT||B===d.OP_SUBSTR||B===d.OP_LEFT||B===d.OP_RIGHT||B===d.OP_INVERT||B===d.OP_AND||B===d.OP_OR||B===d.OP_XOR||B===d.OP_2MUL||B===d.OP_2DIV||B===d.OP_MUL||B===d.OP_DIV||B===d.OP_MOD||B===d.OP_LSHIFT||B===d.OP_RSHIFT)return this.errstr="SCRIPT_ERR_DISABLED_OPCODE",!1;if(t&&0<=B&&B<=d.OP_PUSHDATA4){if(e&&!this.script.checkMinimalPush(this.pc-1))return this.errstr="SCRIPT_ERR_MINIMALDATA",!1;if(!r.buf)this.stack.push(f.false);else if(r.len!==r.buf.length)throw new Error("Length of push value not equal to length of data");else this.stack.push(r.buf)}else if(t||d.OP_IF<=B&&B<=d.OP_ENDIF)switch(B){case d.OP_1NEGATE:case d.OP_1:case d.OP_2:case d.OP_3:case d.OP_4:case d.OP_5:case d.OP_6:case d.OP_7:case d.OP_8:case d.OP_9:case d.OP_10:case d.OP_11:case d.OP_12:case d.OP_13:case d.OP_14:case d.OP_15:case d.OP_16:h=B-(d.OP_1-1),p=new s(h).toScriptNumBuffer(),this.stack.push(p);break;case d.OP_NOP:break;case d.OP_NOP2:case d.OP_CHECKLOCKTIMEVERIFY:if(!(this.flags&f.SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY)){if(this.flags&f.SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_NOPS)return this.errstr="SCRIPT_ERR_DISCOURAGE_UPGRADABLE_NOPS",!1;break}if(1>this.stack.length)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;var O=s.fromScriptNumBuffer(this.stack[this.stack.length-1],e,5);if(O.lt(new s(0)))return this.errstr="SCRIPT_ERR_NEGATIVE_LOCKTIME",!1;if(!this.checkLockTime(O))return this.errstr="SCRIPT_ERR_UNSATISFIED_LOCKTIME",!1;break;case d.OP_NOP1:case d.OP_NOP3:case d.OP_NOP4:case d.OP_NOP5:case d.OP_NOP6:case d.OP_NOP7:case d.OP_NOP8:case d.OP_NOP9:case d.OP_NOP10:if(this.flags&f.SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_NOPS)return this.errstr="SCRIPT_ERR_DISCOURAGE_UPGRADABLE_NOPS",!1;break;case d.OP_IF:case d.OP_NOTIF:{if(E=!1,t){if(1>this.stack.length)return this.errstr="SCRIPT_ERR_UNBALANCED_CONDITIONAL",!1;p=this.stack.pop(),E=f.castToBool(p),B===d.OP_NOTIF&&(E=!E)}this.vfExec.push(E)}break;case d.OP_ELSE:{if(0===this.vfExec.length)return this.errstr="SCRIPT_ERR_UNBALANCED_CONDITIONAL",!1;this.vfExec[this.vfExec.length-1]=!this.vfExec[this.vfExec.length-1]}break;case d.OP_ENDIF:{if(0===this.vfExec.length)return this.errstr="SCRIPT_ERR_UNBALANCED_CONDITIONAL",!1;this.vfExec.pop()}break;case d.OP_VERIFY:{if(1>this.stack.length)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;if(p=this.stack[this.stack.length-1],E=f.castToBool(p),E)this.stack.pop();else return this.errstr="SCRIPT_ERR_VERIFY",!1}break;case d.OP_RETURN:return this.errstr="SCRIPT_ERR_OP_RETURN",!1;break;case d.OP_TOALTSTACK:{if(1>this.stack.length)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;this.altstack.push(this.stack.pop())}break;case d.OP_FROMALTSTACK:{if(1>this.altstack.length)return this.errstr="SCRIPT_ERR_INVALID_ALTSTACK_OPERATION",!1;this.stack.push(this.altstack.pop())}break;case d.OP_2DROP:{if(2>this.stack.length)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;this.stack.pop(),this.stack.pop()}break;case d.OP_2DUP:{if(2>this.stack.length)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;u=this.stack[this.stack.length-2],l=this.stack[this.stack.length-1],this.stack.push(u),this.stack.push(l)}break;case d.OP_3DUP:{if(3>this.stack.length)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;u=this.stack[this.stack.length-3],l=this.stack[this.stack.length-2];var R=this.stack[this.stack.length-1];this.stack.push(u),this.stack.push(l),this.stack.push(R)}break;case d.OP_2OVER:{if(4>this.stack.length)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;u=this.stack[this.stack.length-4],l=this.stack[this.stack.length-3],this.stack.push(u),this.stack.push(l)}break;case d.OP_2ROT:{if(6>this.stack.length)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;b=this.stack.splice(this.stack.length-6,2),this.stack.push(b[0]),this.stack.push(b[1])}break;case d.OP_2SWAP:{if(4>this.stack.length)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;b=this.stack.splice(this.stack.length-4,2),this.stack.push(b[0]),this.stack.push(b[1])}break;case d.OP_IFDUP:{if(1>this.stack.length)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;p=this.stack[this.stack.length-1],E=f.castToBool(p),E&&this.stack.push(p)}break;case d.OP_DEPTH:p=new s(this.stack.length).toScriptNumBuffer(),this.stack.push(p);break;case d.OP_DROP:{if(1>this.stack.length)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;this.stack.pop()}break;case d.OP_DUP:{if(1>this.stack.length)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;this.stack.push(this.stack[this.stack.length-1])}break;case d.OP_NIP:{if(2>this.stack.length)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;this.stack.splice(this.stack.length-2,1)}break;case d.OP_OVER:{if(2>this.stack.length)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;this.stack.push(this.stack[this.stack.length-2])}break;case d.OP_PICK:case d.OP_ROLL:{if(2>this.stack.length)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;if(p=this.stack[this.stack.length-1],y=s.fromScriptNumBuffer(p,e),h=y.toNumber(),this.stack.pop(),0>h||h>=this.stack.length)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;p=this.stack[this.stack.length-h-1],B===d.OP_ROLL&&this.stack.splice(this.stack.length-h-1,1),this.stack.push(p)}break;case d.OP_ROT:{if(3>this.stack.length)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;g=this.stack[this.stack.length-3],m=this.stack[this.stack.length-2];var j=this.stack[this.stack.length-1];this.stack[this.stack.length-3]=m,this.stack[this.stack.length-2]=j,this.stack[this.stack.length-1]=g}break;case d.OP_SWAP:{if(2>this.stack.length)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;g=this.stack[this.stack.length-2],m=this.stack[this.stack.length-1],this.stack[this.stack.length-2]=m,this.stack[this.stack.length-1]=g}break;case d.OP_TUCK:{if(2>this.stack.length)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;this.stack.splice(this.stack.length-2,0,this.stack[this.stack.length-1])}break;case d.OP_SIZE:{if(1>this.stack.length)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;y=new s(this.stack[this.stack.length-1].length),this.stack.push(y.toScriptNumBuffer())}break;case d.OP_EQUAL:case d.OP_EQUALVERIFY:{if(2>this.stack.length)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;u=this.stack[this.stack.length-2],l=this.stack[this.stack.length-1];var T=u.toString("hex")===l.toString("hex");if(this.stack.pop(),this.stack.pop(),this.stack.push(T?f.true:f.false),B===d.OP_EQUALVERIFY)if(T)this.stack.pop();else return this.errstr="SCRIPT_ERR_EQUALVERIFY",!1}break;case d.OP_1ADD:case d.OP_1SUB:case d.OP_NEGATE:case d.OP_ABS:case d.OP_NOT:case d.OP_0NOTEQUAL:{if(1>this.stack.length)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;p=this.stack[this.stack.length-1],y=s.fromScriptNumBuffer(p,e),B===d.OP_1ADD?y=y.add(s.One):B===d.OP_1SUB?y=y.sub(s.One):B===d.OP_NEGATE?y=y.neg():B===d.OP_ABS?0>y.cmp(s.Zero)&&(y=y.neg()):B===d.OP_NOT?y=new s((0===y.cmp(s.Zero))+0):B===d.OP_0NOTEQUAL?y=new s((0!==y.cmp(s.Zero))+0):void 0,this.stack.pop(),this.stack.push(y.toScriptNumBuffer())}break;case d.OP_ADD:case d.OP_SUB:case d.OP_BOOLAND:case d.OP_BOOLOR:case d.OP_NUMEQUAL:case d.OP_NUMEQUALVERIFY:case d.OP_NUMNOTEQUAL:case d.OP_LESSTHAN:case d.OP_GREATERTHAN:case d.OP_LESSTHANOREQUAL:case d.OP_GREATERTHANOREQUAL:case d.OP_MIN:case d.OP_MAX:{if(2>this.stack.length)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;if(_=s.fromScriptNumBuffer(this.stack[this.stack.length-2],e),v=s.fromScriptNumBuffer(this.stack[this.stack.length-1],e),y=new s(0),B===d.OP_ADD?y=_.add(v):B===d.OP_SUB?y=_.sub(v):B===d.OP_BOOLAND?y=new s((0!==_.cmp(s.Zero)&&0!==v.cmp(s.Zero))+0):B===d.OP_BOOLOR?y=new s((0!==_.cmp(s.Zero)||0!==v.cmp(s.Zero))+0):B===d.OP_NUMEQUAL?y=new s((0===_.cmp(v))+0):B===d.OP_NUMEQUALVERIFY?y=new s((0===_.cmp(v))+0):B===d.OP_NUMNOTEQUAL?y=new s((0!==_.cmp(v))+0):B===d.OP_LESSTHAN?y=new s((0>_.cmp(v))+0):B===d.OP_GREATERTHAN?y=new s((0<_.cmp(v))+0):B===d.OP_LESSTHANOREQUAL?y=new s((0>=_.cmp(v))+0):B===d.OP_GREATERTHANOREQUAL?y=new s((0<=_.cmp(v))+0):B===d.OP_MIN?y=0>_.cmp(v)?_:v:B===d.OP_MAX?y=0<_.cmp(v)?_:v:void 0,(this.stack.pop(),this.stack.pop(),this.stack.push(y.toScriptNumBuffer()),B===d.OP_NUMEQUALVERIFY))if(f.castToBool(this.stack[this.stack.length-1]))this.stack.pop();else return this.errstr="SCRIPT_ERR_NUMEQUALVERIFY",!1}break;case d.OP_WITHIN:{if(3>this.stack.length)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;_=s.fromScriptNumBuffer(this.stack[this.stack.length-3],e),v=s.fromScriptNumBuffer(this.stack[this.stack.length-2],e);var N=s.fromScriptNumBuffer(this.stack[this.stack.length-1],e);E=0>=v.cmp(_)&&0>_.cmp(N),this.stack.pop(),this.stack.pop(),this.stack.pop(),this.stack.push(E?f.true:f.false)}break;case d.OP_RIPEMD160:case d.OP_SHA1:case d.OP_SHA256:case d.OP_HASH160:case d.OP_HASH256:{if(1>this.stack.length)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;p=this.stack[this.stack.length-1];var C;B===d.OP_RIPEMD160?C=n.ripemd160(p):B===d.OP_SHA1?C=n.sha1(p):B===d.OP_SHA256?C=n.sha256(p):B===d.OP_HASH160?C=n.sha256ripemd160(p):B===d.OP_HASH256&&(C=n.sha256sha256(p)),this.stack.pop(),this.stack.push(C)}break;case d.OP_CODESEPARATOR:this.pbegincodehash=this.pc;break;case d.OP_CHECKSIG:case d.OP_CHECKSIGVERIFY:{if(2>this.stack.length)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;S=this.stack[this.stack.length-2],I=this.stack[this.stack.length-1],x=new o().set({chunks:this.script.chunks.slice(this.pbegincodehash)});var z=new o().add(S);if(x.findAndDelete(z),!this.checkSignatureEncoding(S)||!this.checkPubkeyEncoding(I))return!1;try{w=i.fromTxFormat(S),A=c.fromBuffer(I,!1),P=this.tx.verifySignature(w,A,this.nin,x)}catch(t){P=!1}if(this.stack.pop(),this.stack.pop(),this.stack.push(P?f.true:f.false),B===d.OP_CHECKSIGVERIFY)if(P)this.stack.pop();else return this.errstr="SCRIPT_ERR_CHECKSIGVERIFY",!1}break;case d.OP_CHECKMULTISIG:case d.OP_CHECKMULTISIGVERIFY:{var M=1;if(this.stack.length<M)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;var U=s.fromScriptNumBuffer(this.stack[this.stack.length-M],e).toNumber();if(0>U||20<U)return this.errstr="SCRIPT_ERR_PUBKEY_COUNT",!1;if(this.nOpCount+=U,201<this.nOpCount)return this.errstr="SCRIPT_ERR_OP_COUNT",!1;var L=++M;if(M+=U,this.stack.length<M)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;var D=s.fromScriptNumBuffer(this.stack[this.stack.length-M],e).toNumber();if(0>D||D>U)return this.errstr="SCRIPT_ERR_SIG_COUNT",!1;var q=++M;if(M+=D,this.stack.length<M)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;x=new o().set({chunks:this.script.chunks.slice(this.pbegincodehash)});for(var H=0;H<D;H++)S=this.stack[this.stack.length-q-H],x.findAndDelete(new o().add(S));for(P=!0;P&&0<D;){if(S=this.stack[this.stack.length-q],I=this.stack[this.stack.length-L],!this.checkSignatureEncoding(S)||!this.checkPubkeyEncoding(I))return!1;var k;try{w=i.fromTxFormat(S),A=c.fromBuffer(I,!1),k=this.tx.verifySignature(w,A,this.nin,x)}catch(t){k=!1}k&&(q++,D--),L++,U--,D>U&&(P=!1)}for(;1<M--;)this.stack.pop();if(1>this.stack.length)return this.errstr="SCRIPT_ERR_INVALID_STACK_OPERATION",!1;if(this.flags&f.SCRIPT_VERIFY_NULLDUMMY&&this.stack[this.stack.length-1].length)return this.errstr="SCRIPT_ERR_SIG_NULLDUMMY",!1;if(this.stack.pop(),this.stack.push(P?f.true:f.false),B===d.OP_CHECKMULTISIGVERIFY)if(P)this.stack.pop();else return this.errstr="SCRIPT_ERR_CHECKMULTISIGVERIFY",!1}break;default:return this.errstr="SCRIPT_ERR_BAD_OPCODE",!1;}return!0}}).call(this,e("buffer").Buffer)},{"../crypto/bn":7,"../crypto/hash":9,"../crypto/signature":12,"../opcode":34,"../publickey":36,"../transaction":40,"./script":39,buffer:126,lodash:204}],39:[function(e,t){(function(r){"use strict";var a="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},o=e("../address"),n=e("../encoding/bufferreader"),d=e("../encoding/bufferwriter"),i=e("../crypto/hash"),c=e("../opcode"),f=e("../publickey"),s=e("../crypto/signature"),p=e("../networks"),u=e("../util/preconditions"),l=e("lodash"),b=e("../errors"),h=e("buffer"),g=e("../util/buffer"),m=e("../util/js"),y=function e(t){return this instanceof e?(this.chunks=[],g.isBuffer(t))?e.fromBuffer(t):t instanceof o?e.fromAddress(t):t instanceof e?e.fromBuffer(t.toBuffer()):"string"==typeof t?e.fromString(t):void("undefined"!=typeof t&&this.set(t)):new e(t)};y.prototype.set=function(e){return this.chunks=e.chunks||this.chunks,this},y.fromBuffer=function(t){var e=new y;e.chunks=[];for(var r=new n(t);!r.finished();)try{var a=r.readUInt8(),o,i;0<a&&a<c.OP_PUSHDATA1?(o=a,e.chunks.push({buf:r.read(o),len:o,opcodenum:a})):a===c.OP_PUSHDATA1?(o=r.readUInt8(),i=r.read(o),e.chunks.push({buf:i,len:o,opcodenum:a})):a===c.OP_PUSHDATA2?(o=r.readUInt16LE(),i=r.read(o),e.chunks.push({buf:i,len:o,opcodenum:a})):a===c.OP_PUSHDATA4?(o=r.readUInt32LE(),i=r.read(o),e.chunks.push({buf:i,len:o,opcodenum:a})):e.chunks.push({opcodenum:a})}catch(r){if(r instanceof RangeError)throw new b.Script.InvalidBuffer(t.toString("hex"));throw r}return e},y.prototype.toBuffer=function(){for(var e=new d,t=0;t<this.chunks.length;t++){var r=this.chunks[t],a=r.opcodenum;e.writeUInt8(r.opcodenum),r.buf&&(a<c.OP_PUSHDATA1?e.write(r.buf):a===c.OP_PUSHDATA1?(e.writeUInt8(r.len),e.write(r.buf)):a===c.OP_PUSHDATA2?(e.writeUInt16LE(r.len),e.write(r.buf)):a===c.OP_PUSHDATA4&&(e.writeUInt32LE(r.len),e.write(r.buf)))}return e.concat()},y.fromASM=function(e){var t=new y;t.chunks=[];for(var a=e.split(" "),o=0;o<a.length;){var n=a[o],i=c(n),d=i.toNumber();if(l.isUndefined(d)){var s=new r(a[o],"hex");t.chunks.push({buf:s,len:s.length,opcodenum:s.length}),++o}else d===c.OP_PUSHDATA1||d===c.OP_PUSHDATA2||d===c.OP_PUSHDATA4?(t.chunks.push({buf:new r(a[o+2],"hex"),len:parseInt(a[o+1]),opcodenum:d}),o+=3):(t.chunks.push({opcodenum:d}),++o)}return t},y.fromHex=function(e){return new y(new h.Buffer(e,"hex"))},y.fromString=function(e){if(m.isHexa(e)||0===e.length)return new y(new h.Buffer(e,"hex"));var t=new y;t.chunks=[];for(var a=e.split(" "),o=0;o<a.length;){var n=a[o],i=c(n),d=i.toNumber();if(l.isUndefined(d)){if(d=parseInt(n),0<d&&d<c.OP_PUSHDATA1)t.chunks.push({buf:new r(a[o+1].slice(2),"hex"),len:d,opcodenum:d}),o+=2;else throw new Error("Invalid script: "+JSON.stringify(e));}else if(d===c.OP_PUSHDATA1||d===c.OP_PUSHDATA2||d===c.OP_PUSHDATA4){if("0x"!==a[o+2].slice(0,2))throw new Error("Pushdata data must start with 0x");t.chunks.push({buf:new r(a[o+2].slice(2),"hex"),len:parseInt(a[o+1]),opcodenum:d}),o+=3}else t.chunks.push({opcodenum:d}),++o}return t},y.prototype._chunkToString=function(e,t){var r=e.opcodenum,a="asm"===t,o="";if(!!e.buf)(r===c.OP_PUSHDATA1||r===c.OP_PUSHDATA2||r===c.OP_PUSHDATA4)&&(o=o+" "+c(r).toString()),0<e.len&&(a?o=o+" "+e.buf.toString("hex"):o=o+" "+e.len+" 0x"+e.buf.toString("hex"));else if("undefined"!=typeof c.reverseMap[r])o=o+" "+c(r).toString();else{var n=r.toString(16);0!=n.length%2&&(n="0"+n),o=a?o+" "+n:o+" 0x"+n}return o},y.prototype.toASM=function(){for(var e="",t=0,r;t<this.chunks.length;t++)r=this.chunks[t],e+=this._chunkToString(r,"asm");return e.substr(1)},y.prototype.toString=function(){for(var e="",t=0,r;t<this.chunks.length;t++)r=this.chunks[t],e+=this._chunkToString(r);return e.substr(1)},y.prototype.toHex=function(){return this.toBuffer().toString("hex")},y.prototype.inspect=function(){return"<Script: "+this.toString()+">"},y.prototype.isPublicKeyHashOut=function(){return!!(5===this.chunks.length&&this.chunks[0].opcodenum===c.OP_DUP&&this.chunks[1].opcodenum===c.OP_HASH160&&this.chunks[2].buf&&20===this.chunks[2].buf.length&&this.chunks[3].opcodenum===c.OP_EQUALVERIFY&&this.chunks[4].opcodenum===c.OP_CHECKSIG)},y.prototype.isPublicKeyHashIn=function(){if(2===this.chunks.length){var e=this.chunks[0].buf,t=this.chunks[1].buf;if(e&&e.length&&48===e[0]&&t&&t.length){var r=t[0];if((4===r||6===r||7===r)&&65===t.length)return!0;if((3===r||2===r)&&33===t.length)return!0}}return!1},y.prototype.getPublicKey=function(){return u.checkState(this.isPublicKeyOut(),"Can't retrieve PublicKey from a non-PK output"),this.chunks[0].buf},y.prototype.getPublicKeyHash=function(){return u.checkState(this.isPublicKeyHashOut(),"Can't retrieve PublicKeyHash from a non-PKH output"),this.chunks[2].buf},y.prototype.isPublicKeyOut=function(){if(2===this.chunks.length&&this.chunks[0].buf&&this.chunks[0].buf.length&&this.chunks[1].opcodenum===c.OP_CHECKSIG){var e=this.chunks[0].buf,t=e[0],r=!1;if((4===t||6===t||7===t)&&65===e.length?r=!0:(3===t||2===t)&&33===e.length&&(r=!0),r)return f.isValid(e)}return!1},y.prototype.isPublicKeyIn=function(){if(1===this.chunks.length){var e=this.chunks[0].buf;if(e&&e.length&&48===e[0])return!0}return!1},y.prototype.isScriptHashOut=function(){var e=this.toBuffer();return 23===e.length&&e[0]===c.OP_HASH160&&20===e[1]&&e[e.length-1]===c.OP_EQUAL},y.prototype.isScriptHashIn=function(){if(1>=this.chunks.length)return!1;var e=this.chunks[this.chunks.length-1],t=e.buf;if(!t)return!1;var r;try{r=y.fromBuffer(t)}catch(t){if(t instanceof b.Script.InvalidBuffer)return!1;throw t}var a=r.classify();return a!==y.types.UNKNOWN},y.prototype.isMultisigOut=function(){return 3<this.chunks.length&&c.isSmallIntOp(this.chunks[0].opcodenum)&&this.chunks.slice(1,this.chunks.length-2).every(function(e){return e.buf&&g.isBuffer(e.buf)})&&c.isSmallIntOp(this.chunks[this.chunks.length-2].opcodenum)&&this.chunks[this.chunks.length-1].opcodenum===c.OP_CHECKMULTISIG},y.prototype.isMultisigIn=function(){return 2<=this.chunks.length&&0===this.chunks[0].opcodenum&&this.chunks.slice(1,this.chunks.length).every(function(e){return e.buf&&g.isBuffer(e.buf)&&s.isTxDER(e.buf)})},y.prototype.isDataOut=function(){return 1<=this.chunks.length&&this.chunks[0].opcodenum===c.OP_RETURN&&(1===this.chunks.length||2===this.chunks.length&&this.chunks[1].buf&&this.chunks[1].buf.length<=y.OP_RETURN_STANDARD_SIZE&&this.chunks[1].length===this.chunks.len)},y.prototype.getData=function(){if(this.isDataOut()||this.isScriptHashOut())return l.isUndefined(this.chunks[1])?new r(0):new r(this.chunks[1].buf);if(this.isPublicKeyHashOut())return new r(this.chunks[2].buf);throw new Error("Unrecognized script type to get data from")},y.prototype.isPushOnly=function(){return l.every(this.chunks,function(e){return e.opcodenum<=c.OP_16})},y.types={},y.types.UNKNOWN="Unknown",y.types.PUBKEY_OUT="Pay to public key",y.types.PUBKEY_IN="Spend from public key",y.types.PUBKEYHASH_OUT="Pay to public key hash",y.types.PUBKEYHASH_IN="Spend from public key hash",y.types.SCRIPTHASH_OUT="Pay to script hash",y.types.SCRIPTHASH_IN="Spend from script hash",y.types.MULTISIG_OUT="Pay to multisig",y.types.MULTISIG_IN="Spend from multisig",y.types.DATA_OUT="Data push",y.OP_RETURN_STANDARD_SIZE=80,y.prototype.classify=function(){if(this._isInput)return this.classifyInput();if(this._isOutput)return this.classifyOutput();var e=this.classifyOutput();return e==y.types.UNKNOWN?this.classifyInput():e},y.outputIdentifiers={},y.outputIdentifiers.PUBKEY_OUT=y.prototype.isPublicKeyOut,y.outputIdentifiers.PUBKEYHASH_OUT=y.prototype.isPublicKeyHashOut,y.outputIdentifiers.MULTISIG_OUT=y.prototype.isMultisigOut,y.outputIdentifiers.SCRIPTHASH_OUT=y.prototype.isScriptHashOut,y.outputIdentifiers.DATA_OUT=y.prototype.isDataOut,y.prototype.classifyOutput=function(){for(var e in y.outputIdentifiers)if(y.outputIdentifiers[e].bind(this)())return y.types[e];return y.types.UNKNOWN},y.inputIdentifiers={},y.inputIdentifiers.PUBKEY_IN=y.prototype.isPublicKeyIn,y.inputIdentifiers.PUBKEYHASH_IN=y.prototype.isPublicKeyHashIn,y.inputIdentifiers.MULTISIG_IN=y.prototype.isMultisigIn,y.inputIdentifiers.SCRIPTHASH_IN=y.prototype.isScriptHashIn,y.prototype.classifyInput=function(){for(var e in y.inputIdentifiers)if(y.inputIdentifiers[e].bind(this)())return y.types[e];return y.types.UNKNOWN},y.prototype.isStandard=function(){return this.classify()!==y.types.UNKNOWN},y.prototype.prepend=function(e){return this._addByType(e,!0),this},y.prototype.equals=function(e){if(u.checkState(e instanceof y,"Must provide another script"),this.chunks.length!==e.chunks.length)return!1;var t;for(t=0;t<this.chunks.length;t++){if(g.isBuffer(this.chunks[t].buf)&&!g.isBuffer(e.chunks[t].buf))return!1;if(g.isBuffer(this.chunks[t].buf)&&!g.equals(this.chunks[t].buf,e.chunks[t].buf))return!1;if(this.chunks[t].opcodenum!==e.chunks[t].opcodenum)return!1}return!0},y.prototype.add=function(e){return this._addByType(e,!1),this},y.prototype._addByType=function(e,t){if("string"==typeof e)this._addOpcode(e,t);else if("number"==typeof e)this._addOpcode(e,t);else if(e instanceof c)this._addOpcode(e,t);else if(g.isBuffer(e))this._addBuffer(e,t);else if(e instanceof y)this.chunks=this.chunks.concat(e.chunks);else if("object"===("undefined"==typeof e?"undefined":a(e)))this._insertAtPosition(e,t);else throw new Error("Invalid script chunk")},y.prototype._insertAtPosition=function(e,t){t?this.chunks.unshift(e):this.chunks.push(e)},y.prototype._addOpcode=function(e,t){var r;return r="number"==typeof e?e:e instanceof c?e.toNumber():c(e).toNumber(),this._insertAtPosition({opcodenum:r},t),this},y.prototype._addBuffer=function(e,t){var r=e.length,a;if(0<=r&&r<c.OP_PUSHDATA1)a=r;else if(256>r)a=c.OP_PUSHDATA1;else if(65536>r)a=c.OP_PUSHDATA2;else if(4294967296>r)a=c.OP_PUSHDATA4;else throw new Error("You can't push that much data");return this._insertAtPosition({buf:e,len:r,opcodenum:a},t),this},y.prototype.removeCodeseparators=function(){for(var e=[],t=0;t<this.chunks.length;t++)this.chunks[t].opcodenum!==c.OP_CODESEPARATOR&&e.push(this.chunks[t]);return this.chunks=e,this},y.buildMultisigOut=function(e,t,r){u.checkArgument(t<=e.length,"Number of required signatures must be less than or equal to the number of public keys"),r=r||{};var a=new y;a.add(c.smallInt(t)),e=l.map(e,f);var o=e;r.noSorting||(o=l.sortBy(e,function(e){return e.toString("hex")}));for(var n=0,i;n<o.length;n++)i=o[n],a.add(i.toBuffer());return a.add(c.smallInt(e.length)),a.add(c.OP_CHECKMULTISIG),a},y.buildMultisigIn=function(e,t,r,a){u.checkArgument(l.isArray(e)),u.checkArgument(l.isNumber(t)),u.checkArgument(l.isArray(r)),a=a||{};var o=new y;return o.add(c.OP_0),l.each(r,function(e){u.checkArgument(g.isBuffer(e),"Signatures must be an array of Buffers"),o.add(e)}),o},y.buildP2SHMultisigIn=function(e,t,r,a){u.checkArgument(l.isArray(e)),u.checkArgument(l.isNumber(t)),u.checkArgument(l.isArray(r)),a=a||{};var o=new y;return o.add(c.OP_0),l.each(r,function(e){u.checkArgument(g.isBuffer(e),"Signatures must be an array of Buffers"),o.add(e)}),o.add((a.cachedMultisig||y.buildMultisigOut(e,t,a)).toBuffer()),o},y.buildPublicKeyHashOut=function(e){u.checkArgument(!l.isUndefined(e)),u.checkArgument(e instanceof f||e instanceof o||l.isString(e)),e instanceof f?e=e.toAddress():l.isString(e)&&(e=new o(e));var t=new y;return t.add(c.OP_DUP).add(c.OP_HASH160).add(e.hashBuffer).add(c.OP_EQUALVERIFY).add(c.OP_CHECKSIG),t._network=e.network,t},y.buildPublicKeyOut=function(e){u.checkArgument(e instanceof f);var t=new y;return t.add(e.toBuffer()).add(c.OP_CHECKSIG),t},y.buildDataOut=function(e,t){u.checkArgument(l.isUndefined(e)||l.isString(e)||g.isBuffer(e)),l.isString(e)&&(e=new r(e,t));var a=new y;return a.add(c.OP_RETURN),l.isUndefined(e)||a.add(e),a},y.buildScriptHashOut=function(e){u.checkArgument(e instanceof y||e instanceof o&&e.isPayToScriptHash());var t=new y;return t.add(c.OP_HASH160).add(e instanceof o?e.hashBuffer:i.sha256ripemd160(e.toBuffer())).add(c.OP_EQUAL),t._network=e._network||e.network,t},y.buildPublicKeyIn=function(e,t){u.checkArgument(e instanceof s||g.isBuffer(e)),u.checkArgument(l.isUndefined(t)||l.isNumber(t)),e instanceof s&&(e=e.toBuffer());var r=new y;return r.add(g.concat([e,g.integerAsSingleByteBuffer(t||s.SIGHASH_ALL)])),r},y.buildPublicKeyHashIn=function(e,t,r){u.checkArgument(t instanceof s||g.isBuffer(t)),u.checkArgument(l.isUndefined(r)||l.isNumber(r)),t instanceof s&&(t=t.toBuffer());var a=new y().add(g.concat([t,g.integerAsSingleByteBuffer(r||s.SIGHASH_ALL)])).add(new f(e).toBuffer());return a},y.empty=function(){return new y},y.prototype.toScriptHashOut=function(){return y.buildScriptHashOut(this)},y.fromAddress=function(e){if(e=o(e),e.isPayToScriptHash())return y.buildScriptHashOut(e);if(e.isPayToPublicKeyHash())return y.buildPublicKeyHashOut(e);throw new b.Script.UnrecognizedAddress(e)},y.prototype.getAddressInfo=function(){if(this._isInput)return this._getInputAddressInfo();if(this._isOutput)return this._getOutputAddressInfo();var e=this._getOutputAddressInfo();return e?e:this._getInputAddressInfo()},y.prototype._getOutputAddressInfo=function(){var e={};if(this.isScriptHashOut())e.hashBuffer=this.getData(),e.type=o.PayToScriptHash;else if(this.isPublicKeyHashOut())e.hashBuffer=this.getData(),e.type=o.PayToPublicKeyHash;else return!1;return e},y.prototype._getInputAddressInfo=function(){var e={};if(this.isPublicKeyHashIn())e.hashBuffer=i.sha256ripemd160(this.chunks[1].buf),e.type=o.PayToPublicKeyHash;else if(this.isScriptHashIn())e.hashBuffer=i.sha256ripemd160(this.chunks[this.chunks.length-1].buf),e.type=o.PayToScriptHash;else return!1;return e},y.prototype.toAddress=function(e){var t=this.getAddressInfo();return!!t&&(t.network=p.get(e)||this._network||p.defaultNetwork,new o(t))},y.prototype.findAndDelete=function(e){for(var t=e.toBuffer(),r=t.toString("hex"),a=0;a<this.chunks.length;a++){var o=y({chunks:[this.chunks[a]]}),n=o.toBuffer(),i=n.toString("hex");r===i&&this.chunks.splice(a,1)}return this},y.prototype.checkMinimalPush=function(e){var t=this.chunks[e],r=t.buf,a=t.opcodenum;if(!r)return!0;return 0===r.length?a===c.OP_0:1===r.length&&1<=r[0]&&16>=r[0]?a===c.OP_1+(r[0]-1):1===r.length&&129===r[0]?a===c.OP_1NEGATE:75>=r.length?a===r.length:255>=r.length?a===c.OP_PUSHDATA1:!(65535>=r.length)||a===c.OP_PUSHDATA2},y.prototype._decodeOP_N=function(e){if(e===c.OP_0)return 0;if(e>=c.OP_1&&e<=c.OP_16)return e-(c.OP_1-1);throw new Error("Invalid opcode: "+JSON.stringify(e))},y.prototype.getSignatureOperationsCount=function(e){e=!!l.isUndefined(e)||e;var t=this,r=0,a=c.OP_INVALIDOPCODE;return l.each(t.chunks,function(o){var n=o.opcodenum;n==c.OP_CHECKSIG||n==c.OP_CHECKSIGVERIFY?r++:(n==c.OP_CHECKMULTISIG||n==c.OP_CHECKMULTISIGVERIFY)&&(e&&a>=c.OP_1&&a<=c.OP_16?r+=t._decodeOP_N(a):r+=20),a=n}),r},t.exports=y}).call(this,e("buffer").Buffer)},{"../address":1,"../crypto/hash":9,"../crypto/signature":12,"../encoding/bufferreader":15,"../encoding/bufferwriter":16,"../errors":18,"../networks":33,"../opcode":34,"../publickey":36,"../util/buffer":54,"../util/js":55,"../util/preconditions":56,buffer:126,lodash:204}],40:[function(e,t){"use strict";t.exports=e("./transaction"),t.exports.Input=e("./input"),t.exports.Output=e("./output"),t.exports.UnspentOutput=e("./unspentoutput"),t.exports.Signature=e("./signature"),t.exports.Sighash=e("./sighash")},{"./input":41,"./output":47,"./sighash":48,"./signature":49,"./transaction":50,"./unspentoutput":51}],41:[function(e,t){"use strict";t.exports=e("./input"),t.exports.PublicKey=e("./publickey"),t.exports.PublicKeyHash=e("./publickeyhash"),t.exports.MultiSig=e("./multisig.js"),t.exports.MultiSigScriptHash=e("./multisigscripthash.js")},{"./input":42,"./multisig.js":43,"./multisigscripthash.js":44,"./publickey":45,"./publickeyhash":46}],42:[function(e,t){"use strict";function r(e){return this instanceof r?e?this._fromObject(e):void 0:new r(e)}var a=e("lodash"),o=e("../../util/preconditions"),n=e("../../errors"),i=e("../../encoding/bufferwriter"),d=e("buffer"),s=e("../../util/buffer"),c=e("../../util/js"),f=e("../../script"),p=e("../sighash"),u=e("../output"),l=4294967295,b=l;r.MAXINT=l,r.DEFAULT_SEQNUMBER=b,r.DEFAULT_LOCKTIME_SEQNUMBER=l-1,r.DEFAULT_RBF_SEQNUMBER=l-2,Object.defineProperty(r.prototype,"script",{configurable:!1,enumerable:!0,get:function(){return this.isNull()?null:(this._script||(this._script=new f(this._scriptBuffer),this._script._isInput=!0),this._script)}}),r.fromObject=function(e){o.checkArgument(a.isObject(e));var t=new r;return t._fromObject(e)},r.prototype._fromObject=function(e){var t;if(t=a.isString(e.prevTxId)&&c.isHexa(e.prevTxId)?new d.Buffer(e.prevTxId,"hex"):e.prevTxId,this.output=e.output?e.output instanceof u?e.output:new u(e.output):void 0,this.prevTxId=t||e.txidbuf,this.outputIndex=a.isUndefined(e.outputIndex)?e.txoutnum:e.outputIndex,this.sequenceNumber=a.isUndefined(e.sequenceNumber)?a.isUndefined(e.seqnum)?b:e.seqnum:e.sequenceNumber,a.isUndefined(e.script)&&a.isUndefined(e.scriptBuffer))throw new n.Transaction.Input.MissingScript;return this.setScript(e.scriptBuffer||e.script),this},r.prototype.toObject=r.prototype.toJSON=function(){var e={prevTxId:this.prevTxId.toString("hex"),outputIndex:this.outputIndex,sequenceNumber:this.sequenceNumber,script:this._scriptBuffer.toString("hex")};return this.script&&(e.scriptString=this.script.toString()),this.output&&(e.output=this.output.toObject()),e},r.fromBufferReader=function(e){var t=new r;return t.prevTxId=e.readReverse(32),t.outputIndex=e.readUInt32LE(),t._scriptBuffer=e.readVarLengthBuffer(),t.sequenceNumber=e.readUInt32LE(),t},r.prototype.toBufferWriter=function(e){e||(e=new i),e.writeReverse(this.prevTxId),e.writeUInt32LE(this.outputIndex);var t=this._scriptBuffer;return e.writeVarintNum(t.length),e.write(t),e.writeUInt32LE(this.sequenceNumber),e},r.prototype.setScript=function(e){if(this._script=null,e instanceof f)this._script=e,this._script._isInput=!0,this._scriptBuffer=e.toBuffer();else if(c.isHexa(e))this._scriptBuffer=new d.Buffer(e,"hex");else if(a.isString(e))this._script=new f(e),this._script._isInput=!0,this._scriptBuffer=this._script.toBuffer();else if(s.isBuffer(e))this._scriptBuffer=new d.Buffer(e);else throw new TypeError("Invalid argument type: script");return this},r.prototype.getSignatures=function(){throw new n.AbstractMethodInvoked("Trying to sign unsupported output type (only P2PKH and P2SH multisig inputs are supported) for input: "+JSON.stringify(this))},r.prototype.isFullySigned=function(){throw new n.AbstractMethodInvoked("Input#isFullySigned")},r.prototype.isFinal=function(){return 4294967295!==this.sequenceNumber},r.prototype.addSignature=function(){throw new n.AbstractMethodInvoked("Input#addSignature")},r.prototype.clearSignatures=function(){throw new n.AbstractMethodInvoked("Input#clearSignatures")},r.prototype.isValidSignature=function(e,t){return t.signature.nhashtype=t.sigtype,p.verify(e,t.signature,t.publicKey,t.inputIndex,this.output.script,this.output.satoshisBN)},r.prototype.isNull=function(){return"0000000000000000000000000000000000000000000000000000000000000000"===this.prevTxId.toString("hex")&&4294967295===this.outputIndex},r.prototype._estimateSize=function(){return this.toBufferWriter().toBuffer().length},t.exports=r},{"../../encoding/bufferwriter":16,"../../errors":18,"../../script":37,"../../util/buffer":54,"../../util/js":55,"../../util/preconditions":56,"../output":47,"../sighash":48,buffer:126,lodash:204}],43:[function(e,t){"use strict";function r(e,t,r,o){i.apply(this,arguments);var n=this;t=t||e.publicKeys,r=r||e.threshold,o=o||e.signatures,this.publicKeys=a.sortBy(t,function(e){return e.toString("hex")}),s.checkState(c.buildMultisigOut(this.publicKeys,r).equals(this.output.script),"Provided public keys don't match to the provided output script"),this.publicKeyIndex={},a.each(this.publicKeys,function(e,t){n.publicKeyIndex[e.toString()]=t}),this.threshold=r,this.signatures=o?this._deserializeSignatures(o):Array(this.publicKeys.length)}var a=e("lodash"),o=e("inherits"),n=e("../transaction"),i=e("./input"),d=e("../output"),s=e("../../util/preconditions"),c=e("../../script"),f=e("../../crypto/signature"),p=e("../sighash"),u=e("../../publickey"),l=e("../../util/buffer"),b=e("../signature");o(r,i),r.prototype.toObject=function(){var e=i.prototype.toObject.apply(this,arguments);return e.threshold=this.threshold,e.publicKeys=a.map(this.publicKeys,function(e){return e.toString()}),e.signatures=this._serializeSignatures(),e},r.prototype._deserializeSignatures=function(e){return a.map(e,function(e){return e?new b(e):void 0})},r.prototype._serializeSignatures=function(){return a.map(this.signatures,function(e){return e?e.toObject():void 0})},r.prototype.getSignatures=function(e,t,r,o){s.checkState(this.output instanceof d),o=o||f.SIGHASH_ALL|f.SIGHASH_FORKID;var n=this,i=[];return a.each(this.publicKeys,function(a){a.toString()===t.publicKey.toString()&&i.push(new b({publicKey:t.publicKey,prevTxId:n.prevTxId,outputIndex:n.outputIndex,inputIndex:r,signature:p.sign(e,t,o,r,n.output.script,n.output.satoshisBN),sigtype:o}))}),i},r.prototype.addSignature=function(e,t){return s.checkState(!this.isFullySigned(),"All needed signatures have already been added"),s.checkArgument(!a.isUndefined(this.publicKeyIndex[t.publicKey.toString()]),"Signature has no matching public key"),s.checkState(this.isValidSignature(e,t)),this.signatures[this.publicKeyIndex[t.publicKey.toString()]]=t,this._updateScript(),this},r.prototype._updateScript=function(){return this.setScript(c.buildMultisigIn(this.publicKeys,this.threshold,this._createSignatures())),this},r.prototype._createSignatures=function(){return a.map(a.filter(this.signatures,function(e){return!a.isUndefined(e)}),function(e){return l.concat([e.signature.toDER(),l.integerAsSingleByteBuffer(e.sigtype)])})},r.prototype.clearSignatures=function(){this.signatures=Array(this.publicKeys.length),this._updateScript()},r.prototype.isFullySigned=function(){return this.countSignatures()===this.threshold},r.prototype.countMissingSignatures=function(){return this.threshold-this.countSignatures()},r.prototype.countSignatures=function(){return a.reduce(this.signatures,function(e,t){return e+!!t},0)},r.prototype.publicKeysWithoutSignature=function(){var e=this;return a.filter(this.publicKeys,function(t){return!e.signatures[e.publicKeyIndex[t.toString()]]})},r.prototype.isValidSignature=function(e,t){return t.signature.nhashtype=t.sigtype,p.verify(e,t.signature,t.publicKey,t.inputIndex,this.output.script,this.output.satoshisBN)},r.normalizeSignatures=function(e,t,r,a,o){return o.map(function(o){var n=null;return a=a.filter(function(a){if(n)return!0;var i=new b({signature:f.fromTxFormat(a),publicKey:o,prevTxId:t.prevTxId,outputIndex:t.outputIndex,inputIndex:r,sigtype:f.SIGHASH_ALL});i.signature.nhashtype=i.sigtype;var d=p.verify(e,i.signature,i.publicKey,i.inputIndex,t.output.script);return!d||(n=i,!1)}),n?n:null})},r.OPCODES_SIZE=1,r.SIGNATURE_SIZE=73,r.prototype._estimateSize=function(){return r.OPCODES_SIZE+this.threshold*r.SIGNATURE_SIZE},t.exports=r},{"../../crypto/signature":12,"../../publickey":36,"../../script":37,"../../util/buffer":54,"../../util/preconditions":56,"../output":47,"../sighash":48,"../signature":49,"../transaction":50,"./input":42,inherits:201,lodash:204}],44:[function(e,t){"use strict";function r(e,t,r,o){n.apply(this,arguments);var i=this;t=t||e.publicKeys,r=r||e.threshold,o=o||e.signatures,this.publicKeys=a.sortBy(t,function(e){return e.toString("hex")}),this.redeemScript=s.buildMultisigOut(this.publicKeys,r),d.checkState(s.buildScriptHashOut(this.redeemScript).equals(this.output.script),"Provided public keys don't hash to the provided output"),this.publicKeyIndex={},a.each(this.publicKeys,function(e,t){i.publicKeyIndex[e.toString()]=t}),this.threshold=r,this.signatures=o?this._deserializeSignatures(o):Array(this.publicKeys.length)}var a=e("lodash"),o=e("inherits"),n=e("./input"),i=e("../output"),d=e("../../util/preconditions"),s=e("../../script"),c=e("../../crypto/signature"),f=e("../sighash"),p=e("../../publickey"),u=e("../../util/buffer"),l=e("../signature");o(r,n),r.prototype.toObject=function(){var e=n.prototype.toObject.apply(this,arguments);return e.threshold=this.threshold,e.publicKeys=a.map(this.publicKeys,function(e){return e.toString()}),e.signatures=this._serializeSignatures(),e},r.prototype._deserializeSignatures=function(e){return a.map(e,function(e){return e?new l(e):void 0})},r.prototype._serializeSignatures=function(){return a.map(this.signatures,function(e){return e?e.toObject():void 0})},r.prototype.getSignatures=function(e,t,r,o){d.checkState(this.output instanceof i),o=o||c.SIGHASH_ALL|c.SIGHASH_FORKID;var n=this,s=[];return a.each(this.publicKeys,function(a){a.toString()===t.publicKey.toString()&&s.push(new l({publicKey:t.publicKey,prevTxId:n.prevTxId,outputIndex:n.outputIndex,inputIndex:r,signature:f.sign(e,t,o,r,n.redeemScript,n.output.satoshisBN),sigtype:o}))}),s},r.prototype.addSignature=function(e,t){return d.checkState(!this.isFullySigned(),"All needed signatures have already been added"),d.checkArgument(!a.isUndefined(this.publicKeyIndex[t.publicKey.toString()]),"Signature has no matching public key"),d.checkState(this.isValidSignature(e,t)),this.signatures[this.publicKeyIndex[t.publicKey.toString()]]=t,this._updateScript(),this},r.prototype._updateScript=function(){return this.setScript(s.buildP2SHMultisigIn(this.publicKeys,this.threshold,this._createSignatures(),{cachedMultisig:this.redeemScript})),this},r.prototype._createSignatures=function(){return a.map(a.filter(this.signatures,function(e){return!a.isUndefined(e)}),function(e){return u.concat([e.signature.toDER(),u.integerAsSingleByteBuffer(e.sigtype)])})},r.prototype.clearSignatures=function(){this.signatures=Array(this.publicKeys.length),this._updateScript()},r.prototype.isFullySigned=function(){return this.countSignatures()===this.threshold},r.prototype.countMissingSignatures=function(){return this.threshold-this.countSignatures()},r.prototype.countSignatures=function(){return a.reduce(this.signatures,function(e,t){return e+!!t},0)},r.prototype.publicKeysWithoutSignature=function(){var e=this;return a.filter(this.publicKeys,function(t){return!e.signatures[e.publicKeyIndex[t.toString()]]})},r.prototype.isValidSignature=function(e,t){return t.signature.nhashtype=t.sigtype,f.verify(e,t.signature,t.publicKey,t.inputIndex,this.redeemScript,this.output.satoshisBN)},r.OPCODES_SIZE=7,r.SIGNATURE_SIZE=74,r.PUBKEY_SIZE=34,r.prototype._estimateSize=function(){return r.OPCODES_SIZE+this.threshold*r.SIGNATURE_SIZE+this.publicKeys.length*r.PUBKEY_SIZE},t.exports=r},{"../../crypto/signature":12,"../../publickey":36,"../../script":37,"../../util/buffer":54,"../../util/preconditions":56,"../output":47,"../sighash":48,"../signature":49,"./input":42,inherits:201,lodash:204}],45:[function(e,t){"use strict";function r(){i.apply(this,arguments)}var a=e("inherits"),o=e("../../util/preconditions"),n=e("../../util/buffer"),i=e("./input"),d=e("../output"),s=e("../sighash"),c=e("../../script"),f=e("../../crypto/signature"),p=e("../signature");a(r,i),r.prototype.getSignatures=function(e,t,r,a){o.checkState(this.output instanceof d),a=a||f.SIGHASH_ALL|f.SIGHASH_FORKID;var n=t.toPublicKey();return n.toString()===this.output.script.getPublicKey().toString("hex")?[new p({publicKey:n,prevTxId:this.prevTxId,outputIndex:this.outputIndex,inputIndex:r,signature:s.sign(e,t,a,r,this.output.script,this.output.satoshisBN),sigtype:a})]:[]},r.prototype.addSignature=function(e,t){return o.checkState(this.isValidSignature(e,t),"Signature is invalid"),this.setScript(c.buildPublicKeyIn(t.signature.toDER(),t.sigtype)),this},r.prototype.clearSignatures=function(){return this.setScript(c.empty()),this},r.prototype.isFullySigned=function(){return this.script.isPublicKeyIn()},r.SCRIPT_MAX_SIZE=73,r.prototype._estimateSize=function(){return r.SCRIPT_MAX_SIZE},t.exports=r},{"../../crypto/signature":12,"../../script":37,"../../util/buffer":54,"../../util/preconditions":56,"../output":47,"../sighash":48,"../signature":49,"./input":42,inherits:201}],46:[function(e,t){"use strict";function r(){d.apply(this,arguments)}var a=e("inherits"),o=e("../../util/preconditions"),n=e("../../util/buffer"),i=e("../../crypto/hash"),d=e("./input"),s=e("../output"),c=e("../sighash"),f=e("../../script"),p=e("../../crypto/signature"),u=e("../signature");a(r,d),r.prototype.getSignatures=function(e,t,r,a,d){return o.checkState(this.output instanceof s),d=d||i.sha256ripemd160(t.publicKey.toBuffer()),a=a||p.SIGHASH_ALL|p.SIGHASH_FORKID,n.equals(d,this.output.script.getPublicKeyHash())?[new u({publicKey:t.publicKey,prevTxId:this.prevTxId,outputIndex:this.outputIndex,inputIndex:r,signature:c.sign(e,t,a,r,this.output.script,this.output.satoshisBN),sigtype:a})]:[]},r.prototype.addSignature=function(e,t){return o.checkState(this.isValidSignature(e,t),"Signature is invalid"),this.setScript(f.buildPublicKeyHashIn(t.publicKey,t.signature.toDER(),t.sigtype)),this},r.prototype.clearSignatures=function(){return this.setScript(f.empty()),this},r.prototype.isFullySigned=function(){return this.script.isPublicKeyHashIn()},r.SCRIPT_MAX_SIZE=107,r.prototype._estimateSize=function(){return r.SCRIPT_MAX_SIZE},t.exports=r},{"../../crypto/hash":9,"../../crypto/signature":12,"../../script":37,"../../util/buffer":54,"../../util/preconditions":56,"../output":47,"../sighash":48,"../signature":49,"./input":42,inherits:201}],47:[function(e,t){"use strict";function r(e){if(!(this instanceof r))return new r(e);if(!a.isObject(e))throw new TypeError("Unrecognized argument for Output");else if(this.satoshis=e.satoshis,i.isBuffer(e.script))this._scriptBuffer=e.script;else{var t;t=a.isString(e.script)&&d.isHexa(e.script)?new n.Buffer(e.script,"hex"):e.script,this.setScript(t)}}var a=e("lodash"),o=e("../crypto/bn"),n=e("buffer"),i=e("../util/buffer"),d=e("../util/js"),s=e("../encoding/bufferwriter"),c=e("../script"),f=e("../util/preconditions"),p=e("../errors");Object.defineProperty(r.prototype,"script",{configurable:!1,enumerable:!0,get:function(){return this._script?this._script:(this.setScriptFromBuffer(this._scriptBuffer),this._script)}}),Object.defineProperty(r.prototype,"satoshis",{configurable:!1,enumerable:!0,get:function(){return this._satoshis},set:function(e){e instanceof o?(this._satoshisBN=e,this._satoshis=e.toNumber()):a.isString(e)?(this._satoshis=parseInt(e),this._satoshisBN=o.fromNumber(this._satoshis)):(f.checkArgument(d.isNaturalNumber(e),"Output satoshis is not a natural number"),this._satoshisBN=o.fromNumber(e),this._satoshis=e),f.checkState(d.isNaturalNumber(this._satoshis),"Output satoshis is not a natural number")}}),r.prototype.invalidSatoshis=function(){return this._satoshis>9007199254740991?"transaction txout satoshis greater than max safe integer":this._satoshis===this._satoshisBN.toNumber()?!!(0>this._satoshis)&&"transaction txout negative":"transaction txout satoshis has corrupted value"},Object.defineProperty(r.prototype,"satoshisBN",{configurable:!1,enumerable:!0,get:function(){return this._satoshisBN},set:function(e){this._satoshisBN=e,this._satoshis=e.toNumber(),f.checkState(d.isNaturalNumber(this._satoshis),"Output satoshis is not a natural number")}}),r.prototype.toObject=r.prototype.toJSON=function(){var e={satoshis:this.satoshis,script:this._scriptBuffer.toString("hex")};return e},r.fromObject=function(e){return new r(e)},r.prototype.setScriptFromBuffer=function(e){this._scriptBuffer=e;try{this._script=c.fromBuffer(this._scriptBuffer),this._script._isOutput=!0}catch(t){if(t instanceof p.Script.InvalidBuffer)this._script=null;else throw t}},r.prototype.setScript=function(e){if(e instanceof c)this._scriptBuffer=e.toBuffer(),this._script=e,this._script._isOutput=!0;else if(a.isString(e))this._script=c.fromString(e),this._scriptBuffer=this._script.toBuffer(),this._script._isOutput=!0;else if(i.isBuffer(e))this.setScriptFromBuffer(e);else throw new TypeError("Invalid argument type: script");return this},r.prototype.inspect=function(){var e;return e=this.script?this.script.inspect():this._scriptBuffer.toString("hex"),"<Output ("+this.satoshis+" sats) "+e+">"},r.fromBufferReader=function(e){var t={satoshis:e.readUInt64LEBN()},a=e.readVarintNum();return t.script=0===a?new n.Buffer([]):e.read(a),new r(t)},r.prototype.toBufferWriter=function(e){e||(e=new s),e.writeUInt64LEBN(this._satoshisBN);var t=this._scriptBuffer;return e.writeVarintNum(t.length),e.write(t),e},t.exports=r},{"../crypto/bn":7,"../encoding/bufferwriter":16,"../errors":18,"../script":37,"../util/buffer":54,"../util/js":55,"../util/preconditions":56,buffer:126,lodash:204}],48:[function(e,t){(function(r){"use strict";var a=e("buffer"),o=e("../crypto/signature"),n=e("../script"),d=e("./output"),s=e("../encoding/bufferreader"),c=e("../encoding/bufferwriter"),f=e("../crypto/bn"),p=e("../crypto/hash"),i=e("../crypto/ecdsa"),u=e("../util/preconditions"),l=e("../util/buffer"),b=e("lodash"),h=function(e,t,r,a,n){function i(e,t){var r=new c;b.isUndefined(t)?b.each(e.outputs,function(e){e.toBufferWriter(r)}):e.outputs[t].toBufferWriter(r);var a=r.toBuffer(),o=p.sha256sha256(a);return o}var d=e.inputs[r];u.checkArgument(n instanceof f,"For ForkId=0 signatures, satoshis or complete input must be provided");var h=l.emptyBuffer(32),g=l.emptyBuffer(32),m=l.emptyBuffer(32);t&o.SIGHASH_ANYONECANPAY||(h=function(e){var t=new c;b.each(e.inputs,function(e){t.writeReverse(e.prevTxId),t.writeUInt32LE(e.outputIndex)});var r=t.toBuffer(),a=p.sha256sha256(r);return a}(e)),t&o.SIGHASH_ANYONECANPAY||(31&t)==o.SIGHASH_SINGLE||(31&t)==o.SIGHASH_NONE||(g=function(e){var t=new c;b.each(e.inputs,function(e){t.writeUInt32LE(e.sequenceNumber)});var r=t.toBuffer(),a=p.sha256sha256(r);return a}(e)),(31&t)!=o.SIGHASH_SINGLE&&(31&t)!=o.SIGHASH_NONE?m=i(e):(31&t)==o.SIGHASH_SINGLE&&r<e.outputs.length&&(m=i(e,r));var y=new c;y.writeInt32LE(e.version),y.write(h),y.write(g),y.writeReverse(d.prevTxId),y.writeUInt32LE(d.outputIndex),y.writeUInt8(a.toBuffer().length),y.write(a.toBuffer()),y.writeUInt64LEBN(n);var _=d.sequenceNumber;y.writeUInt32LE(_),y.write(m),y.writeUInt32LE(e.nLockTime),y.writeUInt32LE(t>>>0);var v=y.toBuffer(),S=p.sha256sha256(v);return S=new s(S).readReverse(),S},g=function(t,u,l,b,g){var m=e("./transaction"),y=e("./input"),_=m.shallowCopy(t);if(b=new n(b),u&o.SIGHASH_FORKID&&!0)return h(_,u,l,b,g);b.removeCodeseparators();var v;for(v=0;v<_.inputs.length;v++)_.inputs[v]=new y(_.inputs[v]).setScript(n.empty());if(_.inputs[l]=new y(_.inputs[l]).setScript(b),(31&u)===o.SIGHASH_NONE||(31&u)===o.SIGHASH_SINGLE)for(v=0;v<_.inputs.length;v++)v!==l&&(_.inputs[v].sequenceNumber=0);if((31&u)===o.SIGHASH_NONE)_.outputs=[];else if((31&u)===o.SIGHASH_SINGLE){if(l>=_.outputs.length)return new r("0000000000000000000000000000000000000000000000000000000000000001","hex");for(_.outputs.length=l+1,v=0;v<l;v++)_.outputs[v]=new d({satoshis:f.fromBuffer(new a.Buffer("ffffffffffffffff","hex")),script:n.empty()})}u&o.SIGHASH_ANYONECANPAY&&(_.inputs=[_.inputs[l]]);var i=new c().write(_.toBuffer()).writeInt32LE(u).toBuffer(),S=p.sha256sha256(i);return S=new s(S).readReverse(),S};t.exports={sighash:g,sign:function(e,t,r,a,o,n){var d=g(e,r,a,o,n),s=i.sign(d,t,"little").set({nhashtype:r});return s},verify:function(e,t,r,a,o,n){u.checkArgument(!b.isUndefined(e)),u.checkArgument(!b.isUndefined(t)&&!b.isUndefined(t.nhashtype));var d=g(e,t.nhashtype,a,o,n);return i.verify(d,t,r,"little")}}}).call(this,e("buffer").Buffer)},{"../crypto/bn":7,"../crypto/ecdsa":8,"../crypto/hash":9,"../crypto/signature":12,"../encoding/bufferreader":15,"../encoding/bufferwriter":16,"../script":37,"../util/buffer":54,"../util/preconditions":56,"./input":41,"./output":47,"./transaction":50,buffer:126,lodash:204}],49:[function(e,t){(function(r){"use strict";function a(e){if(!(this instanceof a))return new a(e);if(e instanceof a)return e;if(o.isObject(e))return this._fromObject(e);throw new f.InvalidArgument("TransactionSignatures must be instantiated from an object")}var o=e("lodash"),n=e("../util/preconditions"),i=e("inherits"),d=e("../util/buffer"),s=e("../util/js"),c=e("../publickey"),f=e("../errors"),p=e("../crypto/signature");i(a,p),a.prototype._fromObject=function(e){return this._checkObjectArgs(e),this.publicKey=new c(e.publicKey),this.prevTxId=d.isBuffer(e.prevTxId)?e.prevTxId:new r(e.prevTxId,"hex"),this.outputIndex=e.outputIndex,this.inputIndex=e.inputIndex,this.signature=e.signature instanceof p?e.signature:d.isBuffer(e.signature)?p.fromBuffer(e.signature):p.fromString(e.signature),this.sigtype=e.sigtype,this},a.prototype._checkObjectArgs=function(e){n.checkArgument(c(e.publicKey),"publicKey"),n.checkArgument(!o.isUndefined(e.inputIndex),"inputIndex"),n.checkArgument(!o.isUndefined(e.outputIndex),"outputIndex"),n.checkState(o.isNumber(e.inputIndex),"inputIndex must be a number"),n.checkState(o.isNumber(e.outputIndex),"outputIndex must be a number"),n.checkArgument(e.signature,"signature"),n.checkArgument(e.prevTxId,"prevTxId"),n.checkState(e.signature instanceof p||d.isBuffer(e.signature)||s.isHexa(e.signature),"signature must be a buffer or hexa value"),n.checkState(d.isBuffer(e.prevTxId)||s.isHexa(e.prevTxId),"prevTxId must be a buffer or hexa value"),n.checkArgument(e.sigtype,"sigtype"),n.checkState(o.isNumber(e.sigtype),"sigtype must be a number")},a.prototype.toObject=a.prototype.toJSON=function(){return{publicKey:this.publicKey.toString(),prevTxId:this.prevTxId.toString("hex"),outputIndex:this.outputIndex,inputIndex:this.inputIndex,signature:this.signature.toString(),sigtype:this.sigtype}},a.fromObject=function(e){return n.checkArgument(e),new a(e)},t.exports=a}).call(this,e("buffer").Buffer)},{"../crypto/signature":12,"../errors":18,"../publickey":36,"../util/buffer":54,"../util/js":55,"../util/preconditions":56,buffer:126,inherits:201,lodash:204}],50:[function(e,t){(function(r){"use strict";function a(e){if(!(this instanceof a))return new a(e);if(this.inputs=[],this.outputs=[],this._inputAmount=void 0,this._outputAmount=void 0,e){if(e instanceof a)return a.shallowCopy(e);if(f.isHexa(e))this.fromString(e);else if(c.isBuffer(e))this.fromBuffer(e);else if(o.isObject(e))this.fromObject(e);else throw new s.InvalidArgument("Must provide an object or string to deserialize a transaction")}else this._newTransaction()}var o=e("lodash"),n=e("../util/preconditions"),i=e("buffer"),d=r.compare||e("buffer-compare"),s=e("../errors"),c=e("../util/buffer"),f=e("../util/js"),u=e("../encoding/bufferreader"),l=e("../encoding/bufferwriter"),b=e("../crypto/hash"),g=e("../crypto/signature"),m=e("./sighash"),y=e("../address"),_=e("./unspentoutput"),v=e("./input"),S=v.PublicKeyHash,k=v.PublicKey,I=v.MultiSigScriptHash,x=v.MultiSig,w=e("./output"),A=e("../script"),E=e("../privatekey"),P=e("../crypto/bn");a.DUST_AMOUNT=546,a.FEE_SECURITY_MARGIN=150,a.MAX_MONEY=2100000000000000,a.NLOCKTIME_BLOCKHEIGHT_LIMIT=5e8,a.NLOCKTIME_MAX_VALUE=4294967295,a.FEE_PER_KB=1e5,a.CHANGE_OUTPUT_MAX_SIZE=62,a.MAXIMUM_EXTRA_SIZE=26,a.shallowCopy=function(e){var t=new a(e.toBuffer());return t};var B={configurable:!1,enumerable:!0,get:function(){return new u(this._getHash()).readReverse().toString("hex")}};Object.defineProperty(a.prototype,"hash",B),Object.defineProperty(a.prototype,"id",B);var O={configurable:!1,enumerable:!0,get:function(){return this._getInputAmount()}};Object.defineProperty(a.prototype,"inputAmount",O),O.get=function(){return this._getOutputAmount()},Object.defineProperty(a.prototype,"outputAmount",O),a.prototype._getHash=function(){return b.sha256sha256(this.toBuffer())},a.prototype.serialize=function(e){return!0===e||e&&e.disableAll?this.uncheckedSerialize():this.checkedSerialize(e)},a.prototype.uncheckedSerialize=a.prototype.toString=function(){return this.toBuffer().toString("hex")},a.prototype.checkedSerialize=function(e){var t=this.getSerializationError(e);if(t)throw t.message+=" - For more information please see: https://bitcore.io/api/lib/transaction#serialization-checks",t;return this.uncheckedSerialize()},a.prototype.invalidSatoshis=function(){for(var e=!1,t=0;t<this.outputs.length;t++)this.outputs[t].invalidSatoshis()&&(e=!0);return e},a.prototype.getSerializationError=function(e){if(e=e||{},this.invalidSatoshis())return new s.Transaction.InvalidSatoshis;var t=this._getUnspentValue(),r;return 0>t?!e.disableMoreOutputThanInput&&(r=new s.Transaction.InvalidOutputAmountSum):r=this._hasFeeError(e,t),r||this._hasDustOutputs(e)||this._isMissingSignatures(e)},a.prototype._hasFeeError=function(e,t){if(!o.isUndefined(this._fee)&&this._fee!==t)return new s.Transaction.FeeError.Different("Unspent value is "+t+" but specified fee is "+this._fee);if(!e.disableLargeFees){var r=h(a.FEE_SECURITY_MARGIN*this._estimateFee());if(t>r)return this._missingChange()?new s.Transaction.ChangeAddressMissing("Fee is too large and no change address was provided"):new s.Transaction.FeeError.TooLarge("expected less than "+r+" but got "+t)}if(!e.disableSmallFees){var n=p(this._estimateFee()/a.FEE_SECURITY_MARGIN);if(t<n)return new s.Transaction.FeeError.TooSmall("expected more than "+n+" but got "+t)}},a.prototype._missingChange=function(){return!this._changeScript},a.prototype._hasDustOutputs=function(e){if(!e.disableDustOutputs){var t,r;for(t in this.outputs)if(r=this.outputs[t],r.satoshis<a.DUST_AMOUNT&&!r.script.isDataOut())return new s.Transaction.DustOutputs}},a.prototype._isMissingSignatures=function(e){return e.disableIsFullySigned||this.isFullySigned()?void 0:new s.Transaction.MissingSignatures},a.prototype.inspect=function(){return"<Transaction: "+this.uncheckedSerialize()+">"},a.prototype.toBuffer=function(){var e=new l;return this.toBufferWriter(e).toBuffer()},a.prototype.toBufferWriter=function(e){return e.writeInt32LE(this.version),e.writeVarintNum(this.inputs.length),o.each(this.inputs,function(t){t.toBufferWriter(e)}),e.writeVarintNum(this.outputs.length),o.each(this.outputs,function(t){t.toBufferWriter(e)}),e.writeUInt32LE(this.nLockTime),e},a.prototype.fromBuffer=function(e){var t=new u(e);return this.fromBufferReader(t)},a.prototype.fromBufferReader=function(e){n.checkArgument(!e.finished(),"No transaction data received");var t,r,a;for(this.version=e.readInt32LE(),r=e.readVarintNum(),t=0;t<r;t++){var o=v.fromBufferReader(e);this.inputs.push(o)}for(a=e.readVarintNum(),t=0;t<a;t++)this.outputs.push(w.fromBufferReader(e));return this.nLockTime=e.readUInt32LE(),this},a.prototype.toObject=a.prototype.toJSON=function(){var e=[];this.inputs.forEach(function(t){e.push(t.toObject())});var t=[];this.outputs.forEach(function(e){t.push(e.toObject())});var r={hash:this.hash,version:this.version,inputs:e,outputs:t,nLockTime:this.nLockTime};return this._changeScript&&(r.changeScript=this._changeScript.toString()),o.isUndefined(this._changeIndex)||(r.changeIndex=this._changeIndex),o.isUndefined(this._fee)||(r.fee=this._fee),r},a.prototype.fromObject=function(e){n.checkArgument(o.isObject(e)||e instanceof a);var t=this,r;return r=e instanceof a?r.toObject():e,o.each(r.inputs,function(e){if(!e.output||!e.output.script)return void t.uncheckedAddInput(new v(e));var r=new A(e.output.script),a;if(r.isPublicKeyHashOut())a=new v.PublicKeyHash(e);else if(r.isScriptHashOut()&&e.publicKeys&&e.threshold)a=new v.MultiSigScriptHash(e,e.publicKeys,e.threshold,e.signatures);else if(r.isPublicKeyOut())a=new v.PublicKey(e);else throw new s.Transaction.Input.UnsupportedScript(e.output.script);t.addInput(a)}),o.each(r.outputs,function(e){t.addOutput(new w(e))}),r.changeIndex&&(this._changeIndex=r.changeIndex),r.changeScript&&(this._changeScript=new A(r.changeScript)),r.fee&&(this._fee=r.fee),this.nLockTime=r.nLockTime,this.version=r.version,this._checkConsistency(e),this},a.prototype._checkConsistency=function(e){o.isUndefined(this._changeIndex)||(n.checkState(this._changeScript),n.checkState(this.outputs[this._changeIndex]),n.checkState(this.outputs[this._changeIndex].script.toString()===this._changeScript.toString())),e&&e.hash&&n.checkState(e.hash===this.hash,"Hash in object does not match transaction hash")},a.prototype.lockUntilDate=function(e){if(n.checkArgument(e),o.isNumber(e)&&e<a.NLOCKTIME_BLOCKHEIGHT_LIMIT)throw new s.Transaction.LockTimeTooEarly;o.isDate(e)&&(e=e.getTime()/1e3);for(var t=0;t<this.inputs.length;t++)this.inputs[t].sequenceNumber===v.DEFAULT_SEQNUMBER&&(this.inputs[t].sequenceNumber=v.DEFAULT_LOCKTIME_SEQNUMBER);return this.nLockTime=e,this},a.prototype.lockUntilBlockHeight=function(e){if(n.checkArgument(o.isNumber(e)),e>=a.NLOCKTIME_BLOCKHEIGHT_LIMIT)throw new s.Transaction.BlockHeightTooHigh;if(0>e)throw new s.Transaction.NLockTimeOutOfRange;for(var t=0;t<this.inputs.length;t++)this.inputs[t].sequenceNumber===v.DEFAULT_SEQNUMBER&&(this.inputs[t].sequenceNumber=v.DEFAULT_LOCKTIME_SEQNUMBER);return this.nLockTime=e,this},a.prototype.getLockTime=function(){return this.nLockTime?this.nLockTime<a.NLOCKTIME_BLOCKHEIGHT_LIMIT?this.nLockTime:new Date(1e3*this.nLockTime):null},a.prototype.fromString=function(e){this.fromBuffer(new i.Buffer(e,"hex"))},a.prototype._newTransaction=function(){this.version=1,this.nLockTime=0},a.prototype.from=function(e,t,r){if(o.isArray(e)){var a=this;return o.each(e,function(e){a.from(e,t,r)}),this}var n=o.some(this.inputs,function(t){return t.prevTxId.toString("hex")===e.txId&&t.outputIndex===e.outputIndex});return n?this:(t&&r?this._fromMultisigUtxo(e,t,r):this._fromNonP2SH(e),this)},a.prototype._fromNonP2SH=function(e){var t;e=new _(e),t=e.script.isPublicKeyHashOut()?S:e.script.isPublicKeyOut()?k:v,this.addInput(new t({output:new w({script:e.script,satoshis:e.satoshis}),prevTxId:e.txId,outputIndex:e.outputIndex,script:A.empty()}))},a.prototype._fromMultisigUtxo=function(e,t,r){n.checkArgument(r<=t.length,"Number of required signatures must be greater than the number of public keys");var a;if(e=new _(e),e.script.isMultisigOut())a=x;else if(e.script.isScriptHashOut())a=I;else throw new Error("@TODO");this.addInput(new a({output:new w({script:e.script,satoshis:e.satoshis}),prevTxId:e.txId,outputIndex:e.outputIndex,script:A.empty()},t,r))},a.prototype.addInput=function(e,t,r){if(n.checkArgumentType(e,v,"input"),!e.output&&(o.isUndefined(t)||o.isUndefined(r)))throw new s.Transaction.NeedMoreInfo("Need information about the UTXO script and satoshis");return e.output||!t||o.isUndefined(r)||(t=t instanceof A?t:new A(t),n.checkArgumentType(r,"number","satoshis"),e.output=new w({script:t,satoshis:r})),this.uncheckedAddInput(e)},a.prototype.uncheckedAddInput=function(e){return n.checkArgumentType(e,v,"input"),this.inputs.push(e),this._inputAmount=void 0,this._updateChangeOutput(),this},a.prototype.hasAllUtxoInfo=function(){return o.every(this.inputs.map(function(e){return!!e.output}))},a.prototype.fee=function(e){return n.checkArgument(o.isNumber(e),"amount must be a number"),this._fee=e,this._updateChangeOutput(),this},a.prototype.feePerKb=function(e){return n.checkArgument(o.isNumber(e),"amount must be a number"),this._feePerKb=e,this._updateChangeOutput(),this},a.prototype.change=function(e){return n.checkArgument(e,"address is required"),this._changeScript=A.fromAddress(e),this._updateChangeOutput(),this},a.prototype.getChangeOutput=function(){return o.isUndefined(this._changeIndex)?null:this.outputs[this._changeIndex]},a.prototype.to=function(e,t){if(o.isArray(e)){var r=this;return o.each(e,function(e){r.to(e.address,e.satoshis)}),this}return n.checkArgument(f.isNaturalNumber(t),"Amount is expected to be a positive integer"),this.addOutput(new w({script:A(new y(e)),satoshis:t})),this},a.prototype.addData=function(e){return this.addOutput(new w({script:A.buildDataOut(e),satoshis:0})),this},a.prototype.addOutput=function(e){return n.checkArgumentType(e,w,"output"),this._addOutput(e),this._updateChangeOutput(),this},a.prototype.clearOutputs=function(){return this.outputs=[],this._clearSignatures(),this._outputAmount=void 0,this._changeIndex=void 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o=0,n=0;n<a.length;n++)t=(0|r.words[n])+(0|a.words[n])+o,this.words[n]=67108863&t,o=t>>>26;for(;0!=o&&n<r.length;n++)t=(0|r.words[n])+o,this.words[n]=67108863&t,o=t>>>26;if(this.length=r.length,0!=o)this.words[this.length]=o,this.length++;else if(r!==this)for(;n<r.length;n++)this.words[n]=r.words[n];return this},d.prototype.add=function(e){var t;return 0!==e.negative&&0===this.negative?(e.negative=0,t=this.sub(e),e.negative^=1,t):0===e.negative&&0!==this.negative?(this.negative=0,t=e.sub(this),this.negative=1,t):this.length>e.length?this.clone().iadd(e):e.clone().iadd(this)},d.prototype.isub=function(e){if(0!==e.negative){e.negative=0;var t=this.iadd(e);return e.negative=1,t._normSign()}if(0!==this.negative)return this.negative=0,this.iadd(e),this.negative=1,this._normSign();var r=this.cmp(e);if(0===r)return this.negative=0,this.length=1,this.words[0]=0,this;var o,a;0<r?(o=this,a=e):(o=e,a=this);for(var n=0,d=0;d<a.length;d++)t=(0|o.words[d])-(0|a.words[d])+n,n=t>>26,this.words[d]=67108863&t;for(;0!=n&&d<o.length;d++)t=(0|o.words[d])+n,n=t>>26,this.words[d]=67108863&t;if(0==n&&d<o.length&&o!==this)for(;d<o.length;d++)this.words[d]=o.words[d];return this.length=f(this.length,d),o!==this&&(this.negative=1),this.strip()},d.prototype.sub=function(e){return this.clone().isub(e)};var O=function(e,t,r){var n=e.words,a=t.words,i=r.words,o=0,d=0|n[0],s=8191&d,c=d>>>13,f=0|n[1],p=8191&f,u=f>>>13,l=0|n[2],b=8191&l,h=l>>>13,g=0|n[3],m=8191&g,y=g>>>13,_=0|n[4],v=8191&_,S=_>>>13,k=0|n[5],I=8191&k,x=k>>>13,A=0|n[6],E=8191&A,P=A>>>13,B=0|n[7],O=8191&B,R=B>>>13,j=0|n[8],T=8191&j,N=j>>>13,C=0|n[9],z=8191&C,M=C>>>13,U=0|a[0],L=8191&U,D=U>>>13,q=0|a[1],H=8191&q,F=q>>>13,K=0|a[2],V=8191&K,G=K>>>13,W=0|a[3],Y=8191&W,X=W>>>13,Z=0|a[4],J=8191&Z,Q=Z>>>13,$=0|a[5],ee=8191&$,te=$>>>13,re=0|a[6],ae=8191&re,oe=re>>>13,ne=0|a[7],ie=8191&ne,de=ne>>>13,se=0|a[8],ce=8191&se,fe=se>>>13,pe=0|a[9],ue=8191&pe,le=pe>>>13,be,he,ge;r.negative=e.negative^t.negative,r.length=19,be=w(s,L),he=w(s,D),he=0|he+w(c,L),ge=w(c,D);var me=0|(0|o+be)+((8191&he)<<13);o=0|(0|ge+(he>>>13))+(me>>>26),me&=67108863,be=w(p,L),he=w(p,D),he=0|he+w(u,L),ge=w(u,D),be=0|be+w(s,H),he=0|he+w(s,F),he=0|he+w(c,H),ge=0|ge+w(c,F);var ye=0|(0|o+be)+((8191&he)<<13);o=0|(0|ge+(he>>>13))+(ye>>>26),ye&=67108863,be=w(b,L),he=w(b,D),he=0|he+w(h,L),ge=w(h,D),be=0|be+w(p,H),he=0|he+w(p,F),he=0|he+w(u,H),ge=0|ge+w(u,F),be=0|be+w(s,V),he=0|he+w(s,G),he=0|he+w(c,V),ge=0|ge+w(c,G);var _e=0|(0|o+be)+((8191&he)<<13);o=0|(0|ge+(he>>>13))+(_e>>>26),_e&=67108863,be=w(m,L),he=w(m,D),he=0|he+w(y,L),ge=w(y,D),be=0|be+w(b,H),he=0|he+w(b,F),he=0|he+w(h,H),ge=0|ge+w(h,F),be=0|be+w(p,V),he=0|he+w(p,G),he=0|he+w(u,V),ge=0|ge+w(u,G),be=0|be+w(s,Y),he=0|he+w(s,X),he=0|he+w(c,Y),ge=0|ge+w(c,X);var ve=0|(0|o+be)+((8191&he)<<13);o=0|(0|ge+(he>>>13))+(ve>>>26),ve&=67108863,be=w(v,L),he=w(v,D),he=0|he+w(S,L),ge=w(S,D),be=0|be+w(m,H),he=0|he+w(m,F),he=0|he+w(y,H),ge=0|ge+w(y,F),be=0|be+w(b,V),he=0|he+w(b,G),he=0|he+w(h,V),ge=0|ge+w(h,G),be=0|be+w(p,Y),he=0|he+w(p,X),he=0|he+w(u,Y),ge=0|ge+w(u,X),be=0|be+w(s,J),he=0|he+w(s,Q),he=0|he+w(c,J),ge=0|ge+w(c,Q);var Se=0|(0|o+be)+((8191&he)<<13);o=0|(0|ge+(he>>>13))+(Se>>>26),Se&=67108863,be=w(I,L),he=w(I,D),he=0|he+w(x,L),ge=w(x,D),be=0|be+w(v,H),he=0|he+w(v,F),he=0|he+w(S,H),ge=0|ge+w(S,F),be=0|be+w(m,V),he=0|he+w(m,G),he=0|he+w(y,V),ge=0|ge+w(y,G),be=0|be+w(b,Y),he=0|he+w(b,X),he=0|he+w(h,Y),ge=0|ge+w(h,X),be=0|be+w(p,J),he=0|he+w(p,Q),he=0|he+w(u,J),ge=0|ge+w(u,Q),be=0|be+w(s,ee),he=0|he+w(s,te),he=0|he+w(c,ee),ge=0|ge+w(c,te);var ke=0|(0|o+be)+((8191&he)<<13);o=0|(0|ge+(he>>>13))+(ke>>>26),ke&=67108863,be=w(E,L),he=w(E,D),he=0|he+w(P,L),ge=w(P,D),be=0|be+w(I,H),he=0|he+w(I,F),he=0|he+w(x,H),ge=0|ge+w(x,F),be=0|be+w(v,V),he=0|he+w(v,G),he=0|he+w(S,V),ge=0|ge+w(S,G),be=0|be+w(m,Y),he=0|he+w(m,X),he=0|he+w(y,Y),ge=0|ge+w(y,X),be=0|be+w(b,J),he=0|he+w(b,Q),he=0|he+w(h,J),ge=0|ge+w(h,Q),be=0|be+w(p,ee),he=0|he+w(p,te),he=0|he+w(u,ee),ge=0|ge+w(u,te),be=0|be+w(s,ae),he=0|he+w(s,oe),he=0|he+w(c,ae),ge=0|ge+w(c,oe);var Ie=0|(0|o+be)+((8191&he)<<13);o=0|(0|ge+(he>>>13))+(Ie>>>26),Ie&=67108863,be=w(O,L),he=w(O,D),he=0|he+w(R,L),ge=w(R,D),be=0|be+w(E,H),he=0|he+w(E,F),he=0|he+w(P,H),ge=0|ge+w(P,F),be=0|be+w(I,V),he=0|he+w(I,G),he=0|he+w(x,V),ge=0|ge+w(x,G),be=0|be+w(v,Y),he=0|he+w(v,X),he=0|he+w(S,Y),ge=0|ge+w(S,X),be=0|be+w(m,J),he=0|he+w(m,Q),he=0|he+w(y,J),ge=0|ge+w(y,Q),be=0|be+w(b,ee),he=0|he+w(b,te),he=0|he+w(h,ee),ge=0|ge+w(h,te),be=0|be+w(p,ae),he=0|he+w(p,oe),he=0|he+w(u,ae),ge=0|ge+w(u,oe),be=0|be+w(s,ie),he=0|he+w(s,de),he=0|he+w(c,ie),ge=0|ge+w(c,de);var xe=0|(0|o+be)+((8191&he)<<13);o=0|(0|ge+(he>>>13))+(xe>>>26),xe&=67108863,be=w(T,L),he=w(T,D),he=0|he+w(N,L),ge=w(N,D),be=0|be+w(O,H),he=0|he+w(O,F),he=0|he+w(R,H),ge=0|ge+w(R,F),be=0|be+w(E,V),he=0|he+w(E,G),he=0|he+w(P,V),ge=0|ge+w(P,G),be=0|be+w(I,Y),he=0|he+w(I,X),he=0|he+w(x,Y),ge=0|ge+w(x,X),be=0|be+w(v,J),he=0|he+w(v,Q),he=0|he+w(S,J),ge=0|ge+w(S,Q),be=0|be+w(m,ee),he=0|he+w(m,te),he=0|he+w(y,ee),ge=0|ge+w(y,te),be=0|be+w(b,ae),he=0|he+w(b,oe),he=0|he+w(h,ae),ge=0|ge+w(h,oe),be=0|be+w(p,ie),he=0|he+w(p,de),he=0|he+w(u,ie),ge=0|ge+w(u,de),be=0|be+w(s,ce),he=0|he+w(s,fe),he=0|he+w(c,ce),ge=0|ge+w(c,fe);var we=0|(0|o+be)+((8191&he)<<13);o=0|(0|ge+(he>>>13))+(we>>>26),we&=67108863,be=w(z,L),he=w(z,D),he=0|he+w(M,L),ge=w(M,D),be=0|be+w(T,H),he=0|he+w(T,F),he=0|he+w(N,H),ge=0|ge+w(N,F),be=0|be+w(O,V),he=0|he+w(O,G),he=0|he+w(R,V),ge=0|ge+w(R,G),be=0|be+w(E,Y),he=0|he+w(E,X),he=0|he+w(P,Y),ge=0|ge+w(P,X),be=0|be+w(I,J),he=0|he+w(I,Q),he=0|he+w(x,J),ge=0|ge+w(x,Q),be=0|be+w(v,ee),he=0|he+w(v,te),he=0|he+w(S,ee),ge=0|ge+w(S,te),be=0|be+w(m,ae),he=0|he+w(m,oe),he=0|he+w(y,ae),ge=0|ge+w(y,oe),be=0|be+w(b,ie),he=0|he+w(b,de),he=0|he+w(h,ie),ge=0|ge+w(h,de),be=0|be+w(p,ce),he=0|he+w(p,fe),he=0|he+w(u,ce),ge=0|ge+w(u,fe),be=0|be+w(s,ue),he=0|he+w(s,le),he=0|he+w(c,ue),ge=0|ge+w(c,le);var Ae=0|(0|o+be)+((8191&he)<<13);o=0|(0|ge+(he>>>13))+(Ae>>>26),Ae&=67108863,be=w(z,H),he=w(z,F),he=0|he+w(M,H),ge=w(M,F),be=0|be+w(T,V),he=0|he+w(T,G),he=0|he+w(N,V),ge=0|ge+w(N,G),be=0|be+w(O,Y),he=0|he+w(O,X),he=0|he+w(R,Y),ge=0|ge+w(R,X),be=0|be+w(E,J),he=0|he+w(E,Q),he=0|he+w(P,J),ge=0|ge+w(P,Q),be=0|be+w(I,ee),he=0|he+w(I,te),he=0|he+w(x,ee),ge=0|ge+w(x,te),be=0|be+w(v,ae),he=0|he+w(v,oe),he=0|he+w(S,ae),ge=0|ge+w(S,oe),be=0|be+w(m,ie),he=0|he+w(m,de),he=0|he+w(y,ie),ge=0|ge+w(y,de),be=0|be+w(b,ce),he=0|he+w(b,fe),he=0|he+w(h,ce),ge=0|ge+w(h,fe),be=0|be+w(p,ue),he=0|he+w(p,le),he=0|he+w(u,ue),ge=0|ge+w(u,le);var Ee=0|(0|o+be)+((8191&he)<<13);o=0|(0|ge+(he>>>13))+(Ee>>>26),Ee&=67108863,be=w(z,V),he=w(z,G),he=0|he+w(M,V),ge=w(M,G),be=0|be+w(T,Y),he=0|he+w(T,X),he=0|he+w(N,Y),ge=0|ge+w(N,X),be=0|be+w(O,J),he=0|he+w(O,Q),he=0|he+w(R,J),ge=0|ge+w(R,Q),be=0|be+w(E,ee),he=0|he+w(E,te),he=0|he+w(P,ee),ge=0|ge+w(P,te),be=0|be+w(I,ae),he=0|he+w(I,oe),he=0|he+w(x,ae),ge=0|ge+w(x,oe),be=0|be+w(v,ie),he=0|he+w(v,de),he=0|he+w(S,ie),ge=0|ge+w(S,de),be=0|be+w(m,ce),he=0|he+w(m,fe),he=0|he+w(y,ce),ge=0|ge+w(y,fe),be=0|be+w(b,ue),he=0|he+w(b,le),he=0|he+w(h,ue),ge=0|ge+w(h,le);var Pe=0|(0|o+be)+((8191&he)<<13);o=0|(0|ge+(he>>>13))+(Pe>>>26),Pe&=67108863,be=w(z,Y),he=w(z,X),he=0|he+w(M,Y),ge=w(M,X),be=0|be+w(T,J),he=0|he+w(T,Q),he=0|he+w(N,J),ge=0|ge+w(N,Q),be=0|be+w(O,ee),he=0|he+w(O,te),he=0|he+w(R,ee),ge=0|ge+w(R,te),be=0|be+w(E,ae),he=0|he+w(E,oe),he=0|he+w(P,ae),ge=0|ge+w(P,oe),be=0|be+w(I,ie),he=0|he+w(I,de),he=0|he+w(x,ie),ge=0|ge+w(x,de),be=0|be+w(v,ce),he=0|he+w(v,fe),he=0|he+w(S,ce),ge=0|ge+w(S,fe),be=0|be+w(m,ue),he=0|he+w(m,le),he=0|he+w(y,ue),ge=0|ge+w(y,le);var Be=0|(0|o+be)+((8191&he)<<13);o=0|(0|ge+(he>>>13))+(Be>>>26),Be&=67108863,be=w(z,J),he=w(z,Q),he=0|he+w(M,J),ge=w(M,Q),be=0|be+w(T,ee),he=0|he+w(T,te),he=0|he+w(N,ee),ge=0|ge+w(N,te),be=0|be+w(O,ae),he=0|he+w(O,oe),he=0|he+w(R,ae),ge=0|ge+w(R,oe),be=0|be+w(E,ie),he=0|he+w(E,de),he=0|he+w(P,ie),ge=0|ge+w(P,de),be=0|be+w(I,ce),he=0|he+w(I,fe),he=0|he+w(x,ce),ge=0|ge+w(x,fe),be=0|be+w(v,ue),he=0|he+w(v,le),he=0|he+w(S,ue),ge=0|ge+w(S,le);var Oe=0|(0|o+be)+((8191&he)<<13);o=0|(0|ge+(he>>>13))+(Oe>>>26),Oe&=67108863,be=w(z,ee),he=w(z,te),he=0|he+w(M,ee),ge=w(M,te),be=0|be+w(T,ae),he=0|he+w(T,oe),he=0|he+w(N,ae),ge=0|ge+w(N,oe),be=0|be+w(O,ie),he=0|he+w(O,de),he=0|he+w(R,ie),ge=0|ge+w(R,de),be=0|be+w(E,ce),he=0|he+w(E,fe),he=0|he+w(P,ce),ge=0|ge+w(P,fe),be=0|be+w(I,ue),he=0|he+w(I,le),he=0|he+w(x,ue),ge=0|ge+w(x,le);var Re=0|(0|o+be)+((8191&he)<<13);o=0|(0|ge+(he>>>13))+(Re>>>26),Re&=67108863,be=w(z,ae),he=w(z,oe),he=0|he+w(M,ae),ge=w(M,oe),be=0|be+w(T,ie),he=0|he+w(T,de),he=0|he+w(N,ie),ge=0|ge+w(N,de),be=0|be+w(O,ce),he=0|he+w(O,fe),he=0|he+w(R,ce),ge=0|ge+w(R,fe),be=0|be+w(E,ue),he=0|he+w(E,le),he=0|he+w(P,ue),ge=0|ge+w(P,le);var je=0|(0|o+be)+((8191&he)<<13);o=0|(0|ge+(he>>>13))+(je>>>26),je&=67108863,be=w(z,ie),he=w(z,de),he=0|he+w(M,ie),ge=w(M,de),be=0|be+w(T,ce),he=0|he+w(T,fe),he=0|he+w(N,ce),ge=0|ge+w(N,fe),be=0|be+w(O,ue),he=0|he+w(O,le),he=0|he+w(R,ue),ge=0|ge+w(R,le);var Te=0|(0|o+be)+((8191&he)<<13);o=0|(0|ge+(he>>>13))+(Te>>>26),Te&=67108863,be=w(z,ce),he=w(z,fe),he=0|he+w(M,ce),ge=w(M,fe),be=0|be+w(T,ue),he=0|he+w(T,le),he=0|he+w(N,ue),ge=0|ge+w(N,le);var Ne=0|(0|o+be)+((8191&he)<<13);o=0|(0|ge+(he>>>13))+(Ne>>>26),Ne&=67108863,be=w(z,ue),he=w(z,le),he=0|he+w(M,ue),ge=w(M,le);var Ce=0|(0|o+be)+((8191&he)<<13);return o=0|(0|ge+(he>>>13))+(Ce>>>26),Ce&=67108863,i[0]=me,i[1]=ye,i[2]=_e,i[3]=ve,i[4]=Se,i[5]=ke,i[6]=Ie,i[7]=xe,i[8]=we,i[9]=Ae,i[10]=Ee,i[11]=Pe,i[12]=Be,i[13]=Oe,i[14]=Re,i[15]=je,i[16]=Te,i[17]=Ne,i[18]=Ce,0!=o&&(i[19]=o,r.length++),r};w||(O=b),d.prototype.mulTo=function(e,t){var r=this.length+e.length,a;return a=10===this.length&&10===e.length?O(this,e,t):63>r?b(this,e,t):1024>r?h(this,e,t):g(this,e,t),a},m.prototype.makeRBT=function(e){for(var r=Array(e),t=d.prototype._countBits(e)-1,a=0;a<e;a++)r[a]=this.revBin(a,t,e);return r},m.prototype.revBin=function(e,t,r){if(0===e||e===r-1)return e;for(var a=0,o=0;o<t;o++)a|=(1&e)<<t-o-1,e>>=1;return a},m.prototype.permute=function(e,t,r,a,o,n){for(var d=0;d<n;d++)a[d]=t[e[d]],o[d]=r[e[d]]},m.prototype.transform=function(e,t,r,a,o,n){var i=Math.PI;this.permute(n,e,t,r,a,o);for(var d=1;d<o;d<<=1)for(var s=d<<1,c=Math.cos(2*i/s),f=Math.sin(2*i/s),u=0;u<o;u+=s)for(var p=c,l=f,b=0;b<d;b++){var h=r[u+b],g=a[u+b],m=r[u+b+d],y=a[u+b+d],_=p*m-l*y;y=p*y+l*m,m=_,r[u+b]=h+m,a[u+b]=g+y,r[u+b+d]=h-m,a[u+b+d]=g-y,b!==s&&(_=c*p-f*l,l=c*l+f*p,p=_)}},m.prototype.guessLen13b=function(e,t){var r=1|f(t,e),a=1&r,o=0;for(r=0|r/2;r;r>>>=1)o++;return 1<<o+1+a},m.prototype.conjugate=function(e,r,a){if(!(1>=a))for(var o=0,n;o<a/2;o++)n=e[o],e[o]=e[a-o-1],e[a-o-1]=n,n=r[o],r[o]=-r[a-o-1],r[a-o-1]=-n},m.prototype.normalize13b=function(e,t){for(var r=0,a=0,o;a<t/2;a++)o=8192*n(e[2*a+1]/t)+n(e[2*a]/t)+r,e[a]=67108863&o,r=67108864>o?0:0|o/67108864;return e},m.prototype.convert13b=function(e,t,r,a){for(var n=0,d=0;d<t;d++)n+=0|e[d],r[2*d]=8191&n,n>>>=13,r[2*d+1]=8191&n,n>>>=13;for(d=2*t;d<a;++d)r[d]=0;o(0==n),o(0==(-8192&n))},m.prototype.stub=function(e){for(var t=Array(e),r=0;r<e;r++)t[r]=0;return t},m.prototype.mulp=function(e,t,r){var a=2*this.guessLen13b(e.length,t.length),o=this.makeRBT(a),n=this.stub(a),d=Array(a),s=Array(a),c=Array(a),f=Array(a),p=Array(a),u=Array(a),l=r.words;l.length=a,this.convert13b(e.words,e.length,d,a),this.convert13b(t.words,t.length,f,a),this.transform(d,n,s,c,a,o),this.transform(f,n,p,u,a,o);for(var b=0,i;b<a;b++)i=s[b]*p[b]-c[b]*u[b],c[b]=s[b]*u[b]+c[b]*p[b],s[b]=i;return this.conjugate(s,c,a),this.transform(s,c,l,n,a,o),this.conjugate(l,n,a),this.normalize13b(l,a),r.negative=e.negative^t.negative,r.length=e.length+t.length,r.strip()},d.prototype.mul=function(e){var t=new d(null);return t.words=Array(this.length+e.length),this.mulTo(e,t)},d.prototype.mulf=function(e){var t=new d(null);return t.words=Array(this.length+e.length),g(this,e,t)},d.prototype.imul=function(e){return this.clone().mulTo(e,this)},d.prototype.imuln=function(e){o("number"==typeof e),o(67108864>e);for(var t=0,r=0;r<this.length;r++){var a=(0|this.words[r])*e,n=(67108863&a)+(67108863&t);t>>=26,t+=0|a/67108864,t+=n>>>26,this.words[r]=67108863&n}return 0!=t&&(this.words[r]=t,this.length++),this},d.prototype.muln=function(e){return this.clone().imuln(e)},d.prototype.sqr=function(){return this.mul(this)},d.prototype.isqr=function(){return this.imul(this.clone())},d.prototype.pow=function(e){var t=l(e);if(0===t.length)return new d(1);for(var r=this,a=0;a<t.length&&!(0!==t[a]);a++,r=r.sqr());if(++a<t.length)for(var o=r.sqr();a<t.length;a++,o=o.sqr())0!==t[a]&&(r=r.mul(o));return r},d.prototype.iushln=function(e){o("number"==typeof e&&0<=e);var t=e%26,r=(e-t)/26,a;if(0!=t){var n=0;for(a=0;a<this.length;a++){var i=this.words[a]&67108863>>>26-t<<26-t,d=(0|this.words[a])-i<<t;this.words[a]=d|n,n=i>>>26-t}n&&(this.words[a]=n,this.length++)}if(0!=r){for(a=this.length-1;0<=a;a--)this.words[a+r]=this.words[a];for(a=0;a<r;a++)this.words[a]=0;this.length+=r}return this.strip()},d.prototype.ishln=function(e){return o(0===this.negative),this.iushln(e)},d.prototype.iushrn=function(e,t,a){o("number"==typeof e&&0<=e);var n=t?(t-t%26)/26:0;var d=e%26,r=u((e-d)/26,this.length),s=a;if(n-=r,n=f(0,n),s){for(var c=0;c<r;c++)s.words[c]=this.words[c];s.length=r}if(0===r);else if(this.length>r)for(this.length-=r,c=0;c<this.length;c++)this.words[c]=this.words[c+r];else this.words[0]=0,this.length=1;var i=0;for(c=this.length-1;0<=c&&(0!=i||c>=n);c--){var p=0|this.words[c];this.words[c]=i<<26-d|p>>>d,i=p&(67108863^67108863>>>d<<d)}return s&&0!=i&&(s.words[s.length++]=i),0===this.length&&(this.words[0]=0,this.length=1),this.strip()},d.prototype.ishrn=function(e,t,r){return o(0===this.negative),this.iushrn(e,t,r)},d.prototype.shln=function(e){return this.clone().ishln(e)},d.prototype.ushln=function(e){return this.clone().iushln(e)},d.prototype.shrn=function(e){return this.clone().ishrn(e)},d.prototype.ushrn=function(e){return this.clone().iushrn(e)},d.prototype.testn=function(e){o("number"==typeof e&&0<=e);var t=e%26,r=(e-t)/26;if(this.length<=r)return!1;var a=this.words[r];return!!(a&1<<t)},d.prototype.imaskn=function(e){o("number"==typeof e&&0<=e);var t=e%26,r=(e-t)/26;if(o(0===this.negative,"imaskn works only with positive numbers"),this.length<=r)return this;if(0!=t&&r++,this.length=u(r,this.length),0!=t){this.words[this.length-1]&=67108863^67108863>>>t<<t}return this.strip()},d.prototype.maskn=function(e){return this.clone().imaskn(e)},d.prototype.iaddn=function(e){return o("number"==typeof e),o(67108864>e),0>e?this.isubn(-e):0===this.negative?this._iaddn(e):1===this.length&&(0|this.words[0])<e?(this.words[0]=e-(0|this.words[0]),this.negative=0,this):(this.negative=0,this.isubn(e),this.negative=1,this)},d.prototype._iaddn=function(e){this.words[0]+=e;for(var t=0;t<this.length&&67108864<=this.words[t];t++)this.words[t]-=67108864,t===this.length-1?this.words[t+1]=1:this.words[t+1]++;return this.length=f(this.length,t+1),this},d.prototype.isubn=function(e){if(o("number"==typeof e),o(67108864>e),0>e)return this.iaddn(-e);if(0!==this.negative)return this.negative=0,this.iaddn(e),this.negative=1,this;if(this.words[0]-=e,1===this.length&&0>this.words[0])this.words[0]=-this.words[0],this.negative=1;else for(var t=0;t<this.length&&0>this.words[t];t++)this.words[t]+=67108864,this.words[t+1]-=1;return this.strip()},d.prototype.addn=function(e){return this.clone().iaddn(e)},d.prototype.subn=function(e){return this.clone().isubn(e)},d.prototype.iabs=function(){return this.negative=0,this},d.prototype.abs=function(){return this.clone().iabs()},d.prototype._ishlnsubmul=function(e,t,r){var a=e.length+r,n;this._expand(a);var i=0,d;for(n=0;n<e.length;n++){d=(0|this.words[n+r])+i;var s=(0|e.words[n])*t;d-=67108863&s,i=(d>>26)-(0|s/67108864),this.words[n+r]=67108863&d}for(;n<this.length-r;n++)d=(0|this.words[n+r])+i,i=d>>26,this.words[n+r]=67108863&d;if(0==i)return this.strip();for(o(-1==i),i=0,n=0;n<this.length;n++)d=-(0|this.words[n])+i,i=d>>26,this.words[n]=67108863&d;return this.negative=1,this.strip()},d.prototype._wordDiv=function(e,t){var r=this.length-e.length,o=this.clone(),n=e,s=0|n.words[n.length-1],c=this._countBits(s);r=26-c,0!=r&&(n=n.ushln(r),o.iushln(r),s=0|n.words[n.length-1]);var f=o.length-n.length,p;if("mod"!==t){p=new d(null),p.length=f+1,p.words=Array(p.length);for(var l=0;l<p.length;l++)p.words[l]=0}var i=o.clone()._ishlnsubmul(n,1,f);0===i.negative&&(o=i,p&&(p.words[f]=1));for(var b=f-1,h;0<=b;b--){for(h=67108864*(0|o.words[n.length+b])+(0|o.words[n.length+b-1]),h=u(0|h/s,67108863),o._ishlnsubmul(n,h,b);0!==o.negative;)h--,o.negative=0,o._ishlnsubmul(n,1,b),o.isZero()||(o.negative^=1);p&&(p.words[b]=h)}return p&&p.strip(),o.strip(),"div"!==t&&0!=r&&o.iushrn(r),{div:p||null,mod:o}},d.prototype.divmod=function(e,t,r){if(o(!e.isZero()),this.isZero())return{div:new d(0),mod:new d(0)};var a,n,i;return 0!==this.negative&&0===e.negative?(i=this.neg().divmod(e,t),"mod"!==t&&(a=i.div.neg()),"div"!==t&&(n=i.mod.neg(),r&&0!==n.negative&&n.iadd(e)),{div:a,mod:n}):0===this.negative&&0!==e.negative?(i=this.divmod(e.neg(),t),"mod"!==t&&(a=i.div.neg()),{div:a,mod:i.mod}):0==(this.negative&e.negative)?e.length>this.length||0>this.cmp(e)?{div:new d(0),mod:this}:1===e.length?"div"===t?{div:this.divn(e.words[0]),mod:null}:"mod"===t?{div:null,mod:new d(this.modn(e.words[0]))}:{div:this.divn(e.words[0]),mod:new d(this.modn(e.words[0]))}:this._wordDiv(e,t):(i=this.neg().divmod(e.neg(),t),"div"!==t&&(n=i.mod.neg(),r&&0!==n.negative&&n.isub(e)),{div:i.div,mod:n})},d.prototype.div=function(e){return this.divmod(e,"div",!1).div},d.prototype.mod=function(e){return this.divmod(e,"mod",!1).mod},d.prototype.umod=function(e){return this.divmod(e,"mod",!0).mod},d.prototype.divRound=function(e){var t=this.divmod(e);if(t.mod.isZero())return t.div;var r=0===t.div.negative?t.mod:t.mod.isub(e),a=e.ushrn(1),o=e.andln(1),n=r.cmp(a);return 0>n||1===o&&0===n?t.div:0===t.div.negative?t.div.iaddn(1):t.div.isubn(1)},d.prototype.modn=function(e){o(67108863>=e);for(var t=0,r=this.length-1;0<=r;r--)t=(67108864%e*t+(0|this.words[r]))%e;return t},d.prototype.idivn=function(e){o(67108863>=e);for(var t=0,r=this.length-1,a;0<=r;r--)a=(0|this.words[r])+67108864*t,this.words[r]=0|a/e,t=a%e;return this.strip()},d.prototype.divn=function(e){return this.clone().idivn(e)},d.prototype.egcd=function(e){o(0===e.negative),o(!e.isZero());var t=this,r=e.clone();t=0===t.negative?t.clone():t.umod(e);for(var a=new d(1),n=new d(0),s=new d(0),c=new d(1),f=0;t.isEven()&&r.isEven();)t.iushrn(1),r.iushrn(1),++f;for(var p=r.clone(),u=t.clone();!t.isZero();){for(var l=0,i=1;0==(t.words[0]&i)&&26>l;++l,i<<=1);if(0<l)for(t.iushrn(l);0<l--;)(a.isOdd()||n.isOdd())&&(a.iadd(p),n.isub(u)),a.iushrn(1),n.iushrn(1);for(var b=0,h=1;0==(r.words[0]&h)&&26>b;++b,h<<=1);if(0<b)for(r.iushrn(b);0<b--;)(s.isOdd()||c.isOdd())&&(s.iadd(p),c.isub(u)),s.iushrn(1),c.iushrn(1);0<=t.cmp(r)?(t.isub(r),a.isub(s),n.isub(c)):(r.isub(t),s.isub(a),c.isub(n))}return{a:s,b:c,gcd:r.iushln(f)}},d.prototype._invmp=function(e){o(0===e.negative),o(!e.isZero());var t=this,r=e.clone();t=0===t.negative?t.clone():t.umod(e);for(var a=new d(1),n=new d(0),s=r.clone();0<t.cmpn(1)&&0<r.cmpn(1);){for(var c=0,i=1;0==(t.words[0]&i)&&26>c;++c,i<<=1);if(0<c)for(t.iushrn(c);0<c--;)a.isOdd()&&a.iadd(s),a.iushrn(1);for(var f=0,p=1;0==(r.words[0]&p)&&26>f;++f,p<<=1);if(0<f)for(r.iushrn(f);0<f--;)n.isOdd()&&n.iadd(s),n.iushrn(1);0<=t.cmp(r)?(t.isub(r),a.isub(n)):(r.isub(t),n.isub(a))}var u;return u=0===t.cmpn(1)?a:n,0>u.cmpn(0)&&u.iadd(e),u},d.prototype.gcd=function(e){if(this.isZero())return e.abs();if(e.isZero())return this.abs();var o=this.clone(),a=e.clone();o.negative=0,a.negative=0;for(var n=0;o.isEven()&&a.isEven();n++)o.iushrn(1),a.iushrn(1);do{for(;o.isEven();)o.iushrn(1);for(;a.isEven();)a.iushrn(1);var i=o.cmp(a);if(0>i){var r=o;o=a,a=r}else if(0===i||0===a.cmpn(1))break;o.isub(a)}while(!0);return a.iushln(n)},d.prototype.invm=function(e){return this.egcd(e).a.umod(e)},d.prototype.isEven=function(){return 0==(1&this.words[0])},d.prototype.isOdd=function(){return 1==(1&this.words[0])},d.prototype.andln=function(e){return this.words[0]&e},d.prototype.bincn=function(e){o("number"==typeof e);var t=e%26,r=(e-t)/26,a=1<<t;if(this.length<=r)return this._expand(r+1),this.words[r]|=a,this;for(var n=a,d=r,i;0!=n&&d<this.length;d++)i=0|this.words[d],i+=n,n=i>>>26,i&=67108863,this.words[d]=i;return 0!=n&&(this.words[d]=n,this.length++),this},d.prototype.isZero=function(){return 1===this.length&&0===this.words[0]},d.prototype.cmpn=function(e){var t=0>e;if(0!==this.negative&&!t)return-1;if(0===this.negative&&t)return 1;this.strip();var r;if(1<this.length)r=1;else{t&&(e=-e),o(67108863>=e,"Number is too big");var a=0|this.words[0];r=a===e?0:a<e?-1:1}return 0===this.negative?r:0|-r},d.prototype.cmp=function(e){if(0!==this.negative&&0===e.negative)return-1;if(0===this.negative&&0!==e.negative)return 1;var t=this.ucmp(e);return 0===this.negative?t:0|-t},d.prototype.ucmp=function(e){if(this.length>e.length)return 1;if(this.length<e.length)return-1;for(var t=0,r=this.length-1;0<=r;r--){var o=0|this.words[r],a=0|e.words[r];if(o!=a){o<a?t=-1:o>a&&(t=1);break}}return t},d.prototype.gtn=function(e){return 1===this.cmpn(e)},d.prototype.gt=function(e){return 1===this.cmp(e)},d.prototype.gten=function(e){return 0<=this.cmpn(e)},d.prototype.gte=function(e){return 0<=this.cmp(e)},d.prototype.ltn=function(e){return-1===this.cmpn(e)},d.prototype.lt=function(e){return-1===this.cmp(e)},d.prototype.lten=function(e){return 0>=this.cmpn(e)},d.prototype.lte=function(e){return 0>=this.cmp(e)},d.prototype.eqn=function(e){return 0===this.cmpn(e)},d.prototype.eq=function(e){return 0===this.cmp(e)},d.red=function(e){return new I(e)},d.prototype.toRed=function(e){return o(!this.red,"Already a number in reduction context"),o(0===this.negative,"red works only with positives"),e.convertTo(this)._forceRed(e)},d.prototype.fromRed=function(){return o(this.red,"fromRed works only with numbers in reduction context"),this.red.convertFrom(this)},d.prototype._forceRed=function(e){return this.red=e,this},d.prototype.forceRed=function(e){return o(!this.red,"Already a number in reduction context"),this._forceRed(e)},d.prototype.redAdd=function(e){return o(this.red,"redAdd works only with red numbers"),this.red.add(this,e)},d.prototype.redIAdd=function(e){return o(this.red,"redIAdd works only with red numbers"),this.red.iadd(this,e)},d.prototype.redSub=function(e){return o(this.red,"redSub works only with red numbers"),this.red.sub(this,e)},d.prototype.redISub=function(e){return o(this.red,"redISub works only with red numbers"),this.red.isub(this,e)},d.prototype.redShl=function(e){return o(this.red,"redShl works only with red numbers"),this.red.shl(this,e)},d.prototype.redMul=function(e){return o(this.red,"redMul works only with red numbers"),this.red._verify2(this,e),this.red.mul(this,e)},d.prototype.redIMul=function(e){return o(this.red,"redMul works only with red numbers"),this.red._verify2(this,e),this.red.imul(this,e)},d.prototype.redSqr=function(){return o(this.red,"redSqr works only with red numbers"),this.red._verify1(this),this.red.sqr(this)},d.prototype.redISqr=function(){return o(this.red,"redISqr works only with red numbers"),this.red._verify1(this),this.red.isqr(this)},d.prototype.redSqrt=function(){return o(this.red,"redSqrt works only with red numbers"),this.red._verify1(this),this.red.sqrt(this)},d.prototype.redInvm=function(){return o(this.red,"redInvm works only with red numbers"),this.red._verify1(this),this.red.invm(this)},d.prototype.redNeg=function(){return o(this.red,"redNeg works only with red numbers"),this.red._verify1(this),this.red.neg(this)},d.prototype.redPow=function(e){return o(this.red&&!e.red,"redPow(normalNum)"),this.red._verify1(this),this.red.pow(this,e)};var R={k256:null,p224:null,p192:null,p25519:null};y.prototype._tmp=function(){var e=new d(null);return e.words=Array(p(this.n/13)),e},y.prototype.ireduce=function(e){var t=e,r;do this.split(t,this.tmp),t=this.imulK(t),t=t.iadd(this.tmp),r=t.bitLength();while(r>this.n);var a=r<this.n?-1:t.ucmp(this.p);return 0===a?(t.words[0]=0,t.length=1):0<a?t.isub(this.p):t.strip(),t},y.prototype.split=function(e,t){e.iushrn(this.n,0,t)},y.prototype.imulK=function(e){return e.imul(this.k)},i(_,y),_.prototype.split=function(e,t){for(var r=4194303,a=u(e.length,9),o=0;o<a;o++)t.words[o]=e.words[o];if(t.length=a,9>=e.length)return e.words[0]=0,void(e.length=1);var n=e.words[9];for(t.words[t.length++]=n&r,o=10;o<e.length;o++){var i=0|e.words[o];e.words[o-10]=(i&r)<<4|n>>>22,n=i}n>>>=22,e.words[o-10]=n,e.length-=0===n&&10<e.length?10:9},_.prototype.imulK=function(e){e.words[e.length]=0,e.words[e.length+1]=0,e.length+=2;for(var t=0,r=0,a;r<e.length;r++)a=0|e.words[r],t+=977*a,e.words[r]=67108863&t,t=64*a+(0|t/67108864);return 0===e.words[e.length-1]&&(e.length--,0===e.words[e.length-1]&&e.length--),e},i(v,y),i(S,y),i(k,y),k.prototype.imulK=function(e){for(var t=0,r=0;r<e.length;r++){var a=19*(0|e.words[r])+t,o=67108863&a;a>>>=26,e.words[r]=o,t=a}return 0!=t&&(e.words[e.length++]=t),e},d._prime=function(e){if(R[e])return R[e];var t;if("k256"===e)t=new _;else if("p224"===e)t=new v;else if("p192"===e)t=new S;else if("p25519"===e)t=new k;else throw new Error("Unknown prime "+e);return R[e]=t,t},I.prototype._verify1=function(e){o(0===e.negative,"red works only with positives"),o(e.red,"red works only with red numbers")},I.prototype._verify2=function(e,t){o(0==(e.negative|t.negative),"red works only with positives"),o(e.red&&e.red===t.red,"red works only with red numbers")},I.prototype.imod=function(e){return this.prime?this.prime.ireduce(e)._forceRed(this):e.umod(this.m)._forceRed(this)},I.prototype.neg=function(e){return e.isZero()?e.clone():this.m.sub(e)._forceRed(this)},I.prototype.add=function(e,t){this._verify2(e,t);var r=e.add(t);return 0<=r.cmp(this.m)&&r.isub(this.m),r._forceRed(this)},I.prototype.iadd=function(e,t){this._verify2(e,t);var r=e.iadd(t);return 0<=r.cmp(this.m)&&r.isub(this.m),r},I.prototype.sub=function(e,t){this._verify2(e,t);var r=e.sub(t);return 0>r.cmpn(0)&&r.iadd(this.m),r._forceRed(this)},I.prototype.isub=function(e,t){this._verify2(e,t);var r=e.isub(t);return 0>r.cmpn(0)&&r.iadd(this.m),r},I.prototype.shl=function(e,t){return this._verify1(e),this.imod(e.ushln(t))},I.prototype.imul=function(e,t){return this._verify2(e,t),this.imod(e.imul(t))},I.prototype.mul=function(e,t){return this._verify2(e,t),this.imod(e.mul(t))},I.prototype.isqr=function(e){return this.imul(e,e.clone())},I.prototype.sqr=function(e){return this.mul(e,e)},I.prototype.sqrt=function(e){if(e.isZero())return e.clone();var a=this.m.andln(3);if(o(1==a%2),3===a){var n=this.m.add(new d(1)).iushrn(2);return this.pow(e,n)}for(var f=this.m.subn(1),p=0;!f.isZero()&&0===f.andln(1);)p++,f.iushrn(1);o(!f.isZero());var s=new 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n(1).ishln(this.shift),this.r2=this.imod(this.r.sqr()),this.rinv=this.r._invmp(this.m),this.minv=this.rinv.mul(this.r).isubn(1).div(this.m),this.minv.sign=!0,this.minv=this.minv.mod(this.r)}"object"==typeof t?t.exports=n:r.BN=n,n.BN=n,n.wordSize=26,n.prototype._init=function(e,t,r){if("number"==typeof e)return 0>e&&(this.sign=!0,e=-e),void(67108864>e?(this.words=[67108863&e],this.length=1):4503599627370496>e?(this.words=[67108863&e,67108863&e/67108864],this.length=2):(o(9007199254740992>e),this.words=[67108863&e,67108863&e/67108864,1],this.length=3));if("object"==typeof e)return this._initArray(e,t,r);"hex"===t&&(t=16),o(t===(0|t)&&2<=t&&36>=t),e=e.toString().replace(/\s+/g,"");var a=0;"-"===e[0]&&a++,16===t?this._parseHex(e,a):this._parseBase(e,t,a),"-"===e[0]&&(this.sign=!0),this.strip()},n.prototype._initArray=function(e,t,r){if(o("number"==typeof e.length),0>=e.length)return this.words=[0],this.length=1,this;this.length=p(e.length/3),this.words=Array(this.length);for(var a=0;a<this.length;a++)this.words[a]=0;var n=0;if("be"===r)for(var a=e.length-1,i=0,d;0<=a;a-=3)d=e[a]|e[a-1]<<8|e[a-2]<<16,this.words[i]|=67108863&d<<n,this.words[i+1]=67108863&d>>>26-n,n+=24,26<=n&&(n-=26,i++);else if("le"===r)for(var a=0,i=0,d;a<e.length;a+=3)d=e[a]|e[a+1]<<8|e[a+2]<<16,this.words[i]|=67108863&d<<n,this.words[i+1]=67108863&d>>>26-n,n+=24,26<=n&&(n-=26,i++);return this.strip()},n.prototype._parseHex=function(e,t){this.length=p((e.length-t)/6),this.words=Array(this.length);for(var r=0;r<this.length;r++)this.words[r]=0;for(var a=0,r=e.length-6,o=0,n;r>=t;r-=6)n=d(e,r,r+6),this.words[o]|=67108863&n<<a,this.words[o+1]|=4194303&n>>>26-a,a+=24,26<=a&&(a-=26,o++);if(r+6!==t){var n=d(e,t,r+6);this.words[o]|=67108863&n<<a,this.words[o+1]|=4194303&n>>>26-a}this.strip()},n.prototype._parseBase=function(e,t,r){this.words=[0],this.length=1;for(var a=0,o=1;67108863>=o;o*=t)a++;a--,o=0|o/t;for(var n=e.length-r,d=n%a,c=u(n,n-d)+r,f=0,p=r;p<c;p+=a)f=s(e,p,p+a,t),this.imuln(o),67108864>this.words[0]+f?this.words[0]+=f:this._iaddn(f);if(0!=d){for(var i=1,f=s(e,p,e.length,t),p=0;p<d;p++)i*=t;this.imuln(i),67108864>this.words[0]+f?this.words[0]+=f:this._iaddn(f)}},n.prototype.copy=function(e){e.words=Array(this.length);for(var t=0;t<this.length;t++)e.words[t]=this.words[t];e.length=this.length,e.sign=this.sign,e.red=this.red},n.prototype.clone=function(){var e=new n(null);return this.copy(e),e},n.prototype.strip=function(){for(;1<this.length&&0===this.words[this.length-1];)this.length--;return this._normSign()},n.prototype._normSign=function(){return 1===this.length&&0===this.words[0]&&(this.sign=!1),this},n.prototype.inspect=function(){return(this.red?"<BN-R: ":"<BN: ")+this.toString(16)+">"};var y=["","0","00","000","0000","00000","000000","0000000","00000000","000000000","0000000000","00000000000","000000000000","0000000000000","00000000000000","000000000000000","0000000000000000","00000000000000000","000000000000000000","0000000000000000000","00000000000000000000","000000000000000000000","0000000000000000000000","00000000000000000000000","000000000000000000000000","0000000000000000000000000"],_=[0,0,25,16,12,11,10,9,8,8,7,7,7,7,6,6,6,6,6,6,6,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5],v=[0,0,33554432,43046721,16777216,48828125,60466176,40353607,16777216,43046721,10000000,19487171,35831808,62748517,7529536,11390625,16777216,24137569,34012224,47045881,64000000,4084101,5153632,6436343,7962624,9765625,11881376,14348907,17210368,20511149,24300000,28629151,33554432,39135393,45435424,52521875,60466176];n.prototype.toString=function(e,t){if(e=e||10,16===e||"hex"===e){for(var a="",n=0,t=0|t||1,d=0,s=0;s<this.length;s++){var i=this.words[s],f=(16777215&(i<<n|d)).toString(16);d=16777215&i>>>24-n,a=0!=d||s!==this.length-1?y[6-f.length]+f+a:f+a,n+=2,26<=n&&(n-=26,s--)}for(0!=d&&(a=d.toString(16)+a);0!=a.length%t;)a="0"+a;return this.sign&&(a="-"+a),a}if(e===(0|e)&&2<=e&&36>=e){var p=_[e],u=v[e],a="",l=this.clone();for(l.sign=!1;0!==l.cmpn(0);){var c=l.modn(u).toString(e);l=l.idivn(u),a=0===l.cmpn(0)?c+a:y[p-c.length]+c+a}return 0===this.cmpn(0)&&(a="0"+a),this.sign&&(a="-"+a),a}o(!1,"Base should be between 2 and 36")},n.prototype.toJSON=function(){return this.toString(16)},n.prototype.toArray=function(){this.strip();var e=Array(this.byteLength());e[0]=0;for(var t=this.clone(),r=0,a;0!==t.cmpn(0);r++)a=t.andln(255),t.ishrn(8),e[e.length-r-1]=a;return e},n.prototype._countBits=e?function(t){return 32-e(t)}:function(e){var a=e,t=0;return 4096<=a&&(t+=13,a>>>=13),64<=a&&(t+=7,a>>>=7),8<=a&&(t+=4,a>>>=4),2<=a&&(t+=2,a>>>=2),t+a},n.prototype._zeroBits=function(e){if(0===e)return 26;var a=e,t=0;return 0==(8191&a)&&(t+=13,a>>>=13),0==(127&a)&&(t+=7,a>>>=7),0==(15&a)&&(t+=4,a>>>=4),0==(3&a)&&(t+=2,a>>>=2),0==(1&a)&&t++,t},n.prototype.bitLength=function(){var e=0,t=this.words[this.length-1],e=this._countBits(t);return 26*(this.length-1)+e},n.prototype.zeroBits=function(){if(0===this.cmpn(0))return 0;for(var e=0,t=0,r;t<this.length&&(r=this._zeroBits(this.words[t]),e+=r,26===r);t++);return e},n.prototype.byteLength=function(){return p(this.bitLength()/8)},n.prototype.neg=function(){if(0===this.cmpn(0))return this.clone();var e=this.clone();return e.sign=!this.sign,e},n.prototype.ior=function(e){for(this.sign=this.sign||e.sign;this.length<e.length;)this.words[this.length++]=0;for(var t=0;t<e.length;t++)this.words[t]|=e.words[t];return this.strip()},n.prototype.or=function(e){return this.length>e.length?this.clone().ior(e):e.clone().ior(this)},n.prototype.iand=function(e){this.sign=this.sign&&e.sign;var t=this.length>e.length?e:this;for(var r=0;r<t.length;r++)this.words[r]&=e.words[r];return this.length=t.length,this.strip()},n.prototype.and=function(e){return this.length>e.length?this.clone().iand(e):e.clone().iand(this)},n.prototype.ixor=function(e){this.sign=this.sign||e.sign;var t,r;this.length>e.length?(t=this,r=e):(t=e,r=this);for(var a=0;a<r.length;a++)this.words[a]=t.words[a]^r.words[a];if(this!==t)for(;a<t.length;a++)this.words[a]=t.words[a];return this.length=t.length,this.strip()},n.prototype.xor=function(e){return this.length>e.length?this.clone().ixor(e):e.clone().ixor(this)},n.prototype.setn=function(e,t){o("number"==typeof e&&0<=e);for(var r=0|e/26,a=e%26;this.length<=r;)this.words[this.length++]=0;return t?this.words[r]|=1<<a:this.words[r]&=~(1<<a),this.strip()},n.prototype.iadd=function(e){if(this.sign&&!e.sign){this.sign=!1;var t=this.isub(e);return this.sign=!this.sign,this._normSign()}if(!this.sign&&e.sign){e.sign=!1;var t=this.isub(e);return e.sign=!0,t._normSign()}var r,a;this.length>e.length?(r=this,a=e):(r=e,a=this);for(var o=0,n=0,t;n<a.length;n++)t=r.words[n]+a.words[n]+o,this.words[n]=67108863&t,o=t>>>26;for(;0!=o&&n<r.length;n++){var t=r.words[n]+o;this.words[n]=67108863&t,o=t>>>26}if(this.length=r.length,0!=o)this.words[this.length]=o,this.length++;else if(r!==this)for(;n<r.length;n++)this.words[n]=r.words[n];return this},n.prototype.add=function(e){if(e.sign&&!this.sign){e.sign=!1;var t=this.sub(e);return e.sign=!0,t}if(!e.sign&&this.sign){this.sign=!1;var t=e.sub(this);return this.sign=!0,t}return this.length>e.length?this.clone().iadd(e):e.clone().iadd(this)},n.prototype.isub=function(e){if(e.sign){e.sign=!1;var t=this.iadd(e);return e.sign=!0,t._normSign()}if(this.sign)return this.sign=!1,this.iadd(e),this.sign=!0,this._normSign();var r=this.cmp(e);if(0===r)return this.sign=!1,this.length=1,this.words[0]=0,this;var o,a;0<r?(o=this,a=e):(o=e,a=this);for(var n=0,d=0,t;d<a.length;d++)t=o.words[d]-a.words[d]+n,n=t>>26,this.words[d]=67108863&t;for(;0!=n&&d<o.length;d++){var t=o.words[d]+n;n=t>>26,this.words[d]=67108863&t}if(0==n&&d<o.length&&o!==this)for(;d<o.length;d++)this.words[d]=o.words[d];return this.length=f(this.length,d),o!==this&&(this.sign=!0),this.strip()},n.prototype.sub=function(e){return this.clone().isub(e)},n.prototype._smallMulTo=function(e,t){t.sign=e.sign!==this.sign,t.length=this.length+e.length;for(var o=0,n=0;n<t.length-1;n++){for(var d=o>>>26,s=67108863&o,c=u(n,e.length-1),p=f(0,n-this.length+1);p<=c;p++){var l=n-p,i=0|this.words[l],a=0|e.words[p],b=i*a,r=67108863&b;d=0|d+(0|b/67108864),r=0|r+s,s=67108863&r,d=0|d+(r>>>26)}t.words[n]=s,o=d}return 0==o?t.length--:t.words[n]=o,t.strip()},n.prototype._bigMulTo=function(e,t){t.sign=e.sign!==this.sign,t.length=this.length+e.length;for(var o=0,n=0,d=0,s;d<t.length-1;d++){s=n,n=0;for(var c=67108863&o,p=u(d,e.length-1),l=f(0,d-this.length+1);l<=p;l++){var h=d-l,i=0|this.words[h],a=0|e.words[l],b=i*a,r=67108863&b;s=0|s+(0|b/67108864),r=0|r+c,c=67108863&r,s=0|s+(r>>>26),n+=s>>>26,s&=67108863}t.words[d]=c,o=s,s=n}return 0==o?t.length--:t.words[d]=o,t.strip()},n.prototype.mulTo=function(e,t){var r;return r=63>this.length+e.length?this._smallMulTo(e,t):this._bigMulTo(e,t),r},n.prototype.mul=function(e){var t=new n(null);return t.words=Array(this.length+e.length),this.mulTo(e,t)},n.prototype.imul=function(e){if(0===this.cmpn(0)||0===e.cmpn(0))return this.words[0]=0,this.length=1,this;var t=this.length,o=e.length;this.sign=e.sign!==this.sign,this.length+=e.length,this.words[this.length-1]=0;for(var n=this.length-2;0<=n;n--){for(var d=0,s=0,c=u(n,o-1),p=f(0,n-t+1);p<=c;p++){var l=n-p,i=this.words[l],a=e.words[p],b=i*a,r=67108863&b;d+=0|b/67108864,r+=s,s=67108863&r,d+=r>>>26}this.words[n]=s,this.words[n+1]+=d,d=0}for(var d=0,l=1,h;l<this.length;l++)h=this.words[l]+d,this.words[l]=67108863&h,d=h>>>26;return this.strip()},n.prototype.imuln=function(e){o("number"==typeof e);for(var t=0,r=0;r<this.length;r++){var a=this.words[r]*e,n=(67108863&a)+(67108863&t);t>>=26,t+=0|a/67108864,t+=n>>>26,this.words[r]=67108863&n}return 0!=t&&(this.words[r]=t,this.length++),this},n.prototype.sqr=function(){return this.mul(this)},n.prototype.isqr=function(){return this.mul(this)},n.prototype.ishln=function(e){o("number"==typeof e&&0<=e);var t=e%26,r=(e-t)/26;if(0!=t){for(var a=0,n=0;n<this.length;n++){var i=this.words[n]&67108863>>>26-t<<26-t,d=this.words[n]-i<<t;this.words[n]=d|a,a=i>>>26-t}a&&(this.words[n]=a,this.length++)}if(0!=r){for(var n=this.length-1;0<=n;n--)this.words[n+r]=this.words[n];for(var n=0;n<r;n++)this.words[n]=0;this.length+=r}return this.strip()},n.prototype.ishrn=function(e,t,a){o("number"==typeof e&&0<=e);var n=t?(t-t%26)/26:0;var d=e%26,r=u((e-d)/26,this.length),s=a;if(n-=r,n=f(0,n),s){for(var c=0;c<r;c++)s.words[c]=this.words[c];s.length=r}if(0===r);else if(this.length>r){this.length-=r;for(var c=0;c<this.length;c++)this.words[c]=this.words[c+r]}else this.words[0]=0,this.length=1;for(var i=0,c=this.length-1,p;0<=c&&(0!=i||c>=n);c--)p=this.words[c],this.words[c]=i<<26-d|p>>>d,i=p&(67108863^67108863>>>d<<d);return s&&0!=i&&(s.words[s.length++]=i),0===this.length&&(this.words[0]=0,this.length=1),this.strip(),this},n.prototype.shln=function(e){return this.clone().ishln(e)},n.prototype.shrn=function(e){return this.clone().ishrn(e)},n.prototype.testn=function(e){o("number"==typeof e&&0<=e);var t=e%26,r=(e-t)/26;if(this.length<=r)return!1;var a=this.words[r];return!!(a&1<<t)},n.prototype.imaskn=function(e){o("number"==typeof e&&0<=e);var t=e%26,r=(e-t)/26;if(o(!this.sign,"imaskn works only with positive numbers"),0!=t&&r++,this.length=u(r,this.length),0!=t){this.words[this.length-1]&=67108863^67108863>>>t<<t}return this.strip()},n.prototype.maskn=function(e){return this.clone().imaskn(e)},n.prototype.iaddn=function(e){return o("number"==typeof e),0>e?this.isubn(-e):this.sign?1===this.length&&this.words[0]<e?(this.words[0]=e-this.words[0],this.sign=!1,this):(this.sign=!1,this.isubn(e),this.sign=!0,this):this._iaddn(e)},n.prototype._iaddn=function(e){this.words[0]+=e;for(var t=0;t<this.length&&67108864<=this.words[t];t++)this.words[t]-=67108864,t===this.length-1?this.words[t+1]=1:this.words[t+1]++;return this.length=f(this.length,t+1),this},n.prototype.isubn=function(e){if(o("number"==typeof e),0>e)return this.iaddn(-e);if(this.sign)return this.sign=!1,this.iaddn(e),this.sign=!0,this;this.words[0]-=e;for(var t=0;t<this.length&&0>this.words[t];t++)this.words[t]+=67108864,this.words[t+1]-=1;return this.strip()},n.prototype.addn=function(e){return this.clone().iaddn(e)},n.prototype.subn=function(e){return this.clone().isubn(e)},n.prototype.iabs=function(){return this.sign=!1,this},n.prototype.abs=function(){return this.clone().iabs()},n.prototype._ishlnsubmul=function(e,r,a){var n=e.length+a,d;if(this.words.length<n){for(var i=Array(n),d=0;d<this.length;d++)i[d]=this.words[d];this.words=i}else d=this.length;for(this.length=f(this.length,n);d<this.length;d++)this.words[d]=0;for(var t=0,d=0;d<e.length;d++){var s=this.words[d+a]+t,c=e.words[d]*r;s-=67108863&c,t=(s>>26)-(0|c/67108864),this.words[d+a]=67108863&s}for(;d<this.length-a;d++){var s=this.words[d+a]+t;t=s>>26,this.words[d+a]=67108863&s}if(0==t)return this.strip();o(-1==t),t=0;for(var d=0,s;d<this.length;d++)s=-this.words[d]+t,t=s>>26,this.words[d]=67108863&s;return this.sign=!0,this.strip()},n.prototype._wordDiv=function(e,t){var r=this.length-e.length,o=this.clone(),d=e,s=d.words[d.length-1],c=this._countBits(s);r=26-c,0!=r&&(d=d.shln(r),o.ishln(r),s=d.words[d.length-1]);var f=o.length-d.length,p;if("mod"!==t){p=new n(null),p.length=f+1,p.words=Array(p.length);for(var l=0;l<p.length;l++)p.words[l]=0}var i=o.clone()._ishlnsubmul(d,1,f);i.sign||(o=i,p&&(p.words[f]=1));for(var b=f-1,h;0<=b;b--){for(h=67108864*o.words[d.length+b]+o.words[d.length+b-1],h=u(0|h/s,67108863),o._ishlnsubmul(d,h,b);o.sign;)h--,o.sign=!1,o._ishlnsubmul(d,1,b),0!==o.cmpn(0)&&(o.sign=!o.sign);p&&(p.words[b]=h)}return p&&p.strip(),o.strip(),"div"!==t&&0!=r&&o.ishrn(r),{div:p?p:null,mod:o}},n.prototype.divmod=function(e,t){if(o(0!==e.cmpn(0)),this.sign&&!e.sign){var r=this.neg().divmod(e,t),a,i;return"mod"!==t&&(a=r.div.neg()),"div"!==t&&(i=0===r.mod.cmpn(0)?r.mod:e.sub(r.mod)),{div:a,mod:i}}if(!this.sign&&e.sign){var r=this.divmod(e.neg(),t),a;return"mod"!==t&&(a=r.div.neg()),{div:a,mod:r.mod}}return this.sign&&e.sign?this.neg().divmod(e.neg(),t):e.length>this.length||0>this.cmp(e)?{div:new n(0),mod:this}:1===e.length?"div"===t?{div:this.divn(e.words[0]),mod:null}:"mod"===t?{div:null,mod:new n(this.modn(e.words[0]))}:{div:this.divn(e.words[0]),mod:new n(this.modn(e.words[0]))}:this._wordDiv(e,t)},n.prototype.div=function(e){return this.divmod(e,"div").div},n.prototype.mod=function(e){return this.divmod(e,"mod").mod},n.prototype.divRound=function(e){var t=this.divmod(e);if(0===t.mod.cmpn(0))return t.div;var r=t.div.sign?t.mod.isub(e):t.mod,a=e.shrn(1),o=e.andln(1),n=r.cmp(a);return 0>n||1===o&&0===n?t.div:t.div.sign?t.div.isubn(1):t.div.iaddn(1)},n.prototype.modn=function(e){o(67108863>=e);for(var t=0,r=this.length-1;0<=r;r--)t=(67108864%e*t+this.words[r])%e;return t},n.prototype.idivn=function(e){o(67108863>=e);for(var t=0,r=this.length-1,a;0<=r;r--)a=this.words[r]+67108864*t,this.words[r]=0|a/e,t=a%e;return this.strip()},n.prototype.divn=function(e){return this.clone().idivn(e)},n.prototype.egcd=function(e){o(!e.sign),o(0!==e.cmpn(0));var t=this,r=e.clone();t=t.sign?t.mod(e):t.clone();for(var a=new n(1),i=new n(0),d=new n(0),s=new n(1),c=0;t.isEven()&&r.isEven();)t.ishrn(1),r.ishrn(1),++c;for(var f=r.clone(),p=t.clone();0!==t.cmpn(0);){for(;t.isEven();)t.ishrn(1),a.isEven()&&i.isEven()?(a.ishrn(1),i.ishrn(1)):(a.iadd(f).ishrn(1),i.isub(p).ishrn(1));for(;r.isEven();)r.ishrn(1),d.isEven()&&s.isEven()?(d.ishrn(1),s.ishrn(1)):(d.iadd(f).ishrn(1),s.isub(p).ishrn(1));0<=t.cmp(r)?(t.isub(r),a.isub(d),i.isub(s)):(r.isub(t),d.isub(a),s.isub(i))}return{a:d,b:s,gcd:r.ishln(c)}},n.prototype._invmp=function(e){o(!e.sign),o(0!==e.cmpn(0));var t=this,r=e.clone();t=t.sign?t.mod(e):t.clone();for(var a=new n(1),i=new n(0),d=r.clone();0<t.cmpn(1)&&0<r.cmpn(1);){for(;t.isEven();)t.ishrn(1),a.isEven()?a.ishrn(1):a.iadd(d).ishrn(1);for(;r.isEven();)r.ishrn(1),i.isEven()?i.ishrn(1):i.iadd(d).ishrn(1);0<=t.cmp(r)?(t.isub(r),a.isub(i)):(r.isub(t),i.isub(a))}return 0===t.cmpn(1)?a:i},n.prototype.gcd=function(e){if(0===this.cmpn(0))return e.clone();if(0===e.cmpn(0))return this.clone();var o=this.clone(),a=e.clone();o.sign=!1,a.sign=!1;for(var n=0;o.isEven()&&a.isEven();n++)o.ishrn(1),a.ishrn(1);do{for(;o.isEven();)o.ishrn(1);for(;a.isEven();)a.ishrn(1);var i=o.cmp(a);if(0>i){var r=o;o=a,a=r}else if(0===i||0===a.cmpn(1))break;o.isub(a)}while(!0);return a.ishln(n)},n.prototype.invm=function(e){return this.egcd(e).a.mod(e)},n.prototype.isEven=function(){return 0==(1&this.words[0])},n.prototype.isOdd=function(){return 1==(1&this.words[0])},n.prototype.andln=function(e){return this.words[0]&e},n.prototype.bincn=function(e){o("number"==typeof e);var t=e%26,r=(e-t)/26,a=1<<t;if(this.length<=r){for(var n=this.length;n<r+1;n++)this.words[n]=0;return this.words[r]|=a,this.length=r+1,this}for(var i=a,n=r,d;0!=i&&n<this.length;n++)d=this.words[n],d+=i,i=d>>>26,d&=67108863,this.words[n]=d;return 0!=i&&(this.words[n]=i,this.length++),this},n.prototype.cmpn=function(e){var t=0>e;if(t&&(e=-e),this.sign&&!t)return-1;if(!this.sign&&t)return 1;e&=67108863,this.strip();var r;if(1<this.length)r=1;else{var a=this.words[0];r=a===e?0:a<e?-1:1}return this.sign&&(r=-r),r},n.prototype.cmp=function(e){if(this.sign&&!e.sign)return-1;if(!this.sign&&e.sign)return 1;var t=this.ucmp(e);return this.sign?-t:t},n.prototype.ucmp=function(e){if(this.length>e.length)return 1;if(this.length<e.length)return-1;for(var t=0,r=this.length-1;0<=r;r--){var o=this.words[r],a=e.words[r];if(o!==a){o<a?t=-1:o>a&&(t=1);break}}return t},n.red=function(e){return new g(e)},n.prototype.toRed=function(e){return o(!this.red,"Already a number in reduction context"),o(!this.sign,"red works only with positives"),e.convertTo(this)._forceRed(e)},n.prototype.fromRed=function(){return o(this.red,"fromRed works only with numbers in reduction context"),this.red.convertFrom(this)},n.prototype._forceRed=function(e){return this.red=e,this},n.prototype.forceRed=function(e){return o(!this.red,"Already a number in reduction context"),this._forceRed(e)},n.prototype.redAdd=function(e){return o(this.red,"redAdd works only with red numbers"),this.red.add(this,e)},n.prototype.redIAdd=function(e){return o(this.red,"redIAdd works only with red numbers"),this.red.iadd(this,e)},n.prototype.redSub=function(e){return o(this.red,"redSub works only with red numbers"),this.red.sub(this,e)},n.prototype.redISub=function(e){return o(this.red,"redISub works only with red numbers"),this.red.isub(this,e)},n.prototype.redShl=function(e){return o(this.red,"redShl works only with red numbers"),this.red.shl(this,e)},n.prototype.redMul=function(e){return o(this.red,"redMul works only with red numbers"),this.red._verify2(this,e),this.red.mul(this,e)},n.prototype.redIMul=function(e){return o(this.red,"redMul works only with red numbers"),this.red._verify2(this,e),this.red.imul(this,e)},n.prototype.redSqr=function(){return o(this.red,"redSqr works only with red numbers"),this.red._verify1(this),this.red.sqr(this)},n.prototype.redISqr=function(){return o(this.red,"redISqr works only with red numbers"),this.red._verify1(this),this.red.isqr(this)},n.prototype.redSqrt=function(){return o(this.red,"redSqrt works only with red numbers"),this.red._verify1(this),this.red.sqrt(this)},n.prototype.redInvm=function(){return o(this.red,"redInvm works only with red numbers"),this.red._verify1(this),this.red.invm(this)},n.prototype.redNeg=function(){return o(this.red,"redNeg works only with red numbers"),this.red._verify1(this),this.red.neg(this)},n.prototype.redPow=function(e){return o(this.red&&!e.red,"redPow(normalNum)"),this.red._verify1(this),this.red.pow(this,e)};var S={k256:null,p224:null,p192:null,p25519:null};i.prototype._tmp=function(){var e=new n(null);return e.words=Array(p(this.n/13)),e},i.prototype.ireduce=function(e){var t=e,r;do this.split(t,this.tmp),t=this.imulK(t),t=t.iadd(this.tmp),r=t.bitLength();while(r>this.n);var a=r<this.n?-1:t.ucmp(this.p);return 0===a?(t.words[0]=0,t.length=1):0<a?t.isub(this.p):t.strip(),t},i.prototype.split=function(e,t){e.ishrn(this.n,0,t)},i.prototype.imulK=function(e){return e.imul(this.k)},a(c,i),c.prototype.split=function(e,t){for(var r=4194303,a=u(e.length,9),o=0;o<a;o++)t.words[o]=e.words[o];if(t.length=a,9>=e.length)return e.words[0]=0,void(e.length=1);var n=e.words[9];t.words[t.length++]=n&r;for(var o=10,i;o<e.length;o++)i=e.words[o],e.words[o-10]=(i&r)<<4|n>>>22,n=i;e.words[o-10]=n>>>22,e.length-=9},c.prototype.imulK=function(e){e.words[e.length]=0,e.words[e.length+1]=0,e.length+=2;for(var t=0,r=0,a,o;r<e.length;r++)o=e.words[r],a=64*o,t+=977*o,a+=0|t/67108864,t&=67108863,e.words[r]=t,t=a;return 0===e.words[e.length-1]&&(e.length--,0===e.words[e.length-1]&&e.length--),e},a(l,i),a(b,i),a(h,i),h.prototype.imulK=function(e){for(var t=0,r=0;r<e.length;r++){var a=19*e.words[r]+t,o=67108863&a;a>>>=26,e.words[r]=o,t=a}return 0!=t&&(e.words[e.length++]=t),e},n._prime=function(e){if(S[e])return S[e];var t;if("k256"===e)t=new c;else if("p224"===e)t=new l;else if("p192"===e)t=new b;else if("p25519"===e)t=new h;else throw new Error("Unknown prime "+e);return S[e]=t,t},g.prototype._verify1=function(e){o(!e.sign,"red works only with positives"),o(e.red,"red works only with red numbers")},g.prototype._verify2=function(e,t){o(!e.sign&&!t.sign,"red works only with positives"),o(e.red&&e.red===t.red,"red works only with red numbers")},g.prototype.imod=function(e){return this.prime?this.prime.ireduce(e)._forceRed(this):e.mod(this.m)._forceRed(this)},g.prototype.neg=function(e){var t=e.clone();return t.sign=!t.sign,t.iadd(this.m)._forceRed(this)},g.prototype.add=function(e,t){this._verify2(e,t);var r=e.add(t);return 0<=r.cmp(this.m)&&r.isub(this.m),r._forceRed(this)},g.prototype.iadd=function(e,t){this._verify2(e,t);var r=e.iadd(t);return 0<=r.cmp(this.m)&&r.isub(this.m),r},g.prototype.sub=function(e,t){this._verify2(e,t);var r=e.sub(t);return 0>r.cmpn(0)&&r.iadd(this.m),r._forceRed(this)},g.prototype.isub=function(e,t){this._verify2(e,t);var r=e.isub(t);return 0>r.cmpn(0)&&r.iadd(this.m),r},g.prototype.shl=function(e,t){return this._verify1(e),this.imod(e.shln(t))},g.prototype.imul=function(e,t){return this._verify2(e,t),this.imod(e.imul(t))},g.prototype.mul=function(e,t){return this._verify2(e,t),this.imod(e.mul(t))},g.prototype.isqr=function(e){return this.imul(e,e)},g.prototype.sqr=function(e){return this.mul(e,e)},g.prototype.sqrt=function(e){if(0===e.cmpn(0))return e.clone();var a=this.m.andln(3);if(o(1==a%2),3===a){var d=this.m.add(new n(1)).ishrn(2),f=this.pow(e,d);return f}for(var r=this.m.subn(1),p=0;0!==r.cmpn(0)&&0===r.andln(1);)p++,r.ishrn(1);o(0!==r.cmpn(0));var s=new n(1).toRed(this),u=s.redNeg(),l=this.m.subn(1).ishrn(1),h=this.m.bitLength();for(h=new n(2*h*h).toRed(this);0!==this.pow(h,l).cmp(u);)h.redIAdd(u);for(var g=this.pow(h,r),f=this.pow(e,r.addn(1).ishrn(1)),c=this.pow(e,r),t=p;0!==c.cmp(s);){for(var m=c,y=0;0!==m.cmp(s);y++)m=m.redSqr();o(y<t);var i=this.pow(g,new n(1).ishln(t-y-1));f=f.redMul(i),g=i.redSqr(),c=c.redMul(g),t=y}return f},g.prototype.invm=function(e){var t=e._invmp(this.m);return t.sign?(t.sign=!1,this.imod(t).redNeg()):this.imod(t)},g.prototype.pow=function(e,t){var r=[];if(0===t.cmpn(0))return new n(1);for(var a=t.clone();0!==a.cmpn(0);)r.push(a.andln(1)),a.ishrn(1);for(var o=e,d=0;d<r.length&&!(0!==r[d]);d++,o=this.sqr(o));if(++d<r.length)for(var a=this.sqr(o);d<r.length;d++,a=this.sqr(a))0!==r[d]&&(o=this.mul(o,a));return o},g.prototype.convertTo=function(e){return e.clone()},g.prototype.convertFrom=function(e){var t=e.clone();return t.red=null,t},n.mont=function(e){return new m(e)},a(m,g),m.prototype.convertTo=function(e){return this.imod(e.shln(this.shift))},m.prototype.convertFrom=function(e){var t=this.imod(e.mul(this.rinv));return t.red=null,t},m.prototype.imul=function(e,r){if(0===e.cmpn(0)||0===r.cmpn(0))return e.words[0]=0,e.length=1,e;var a=e.imul(r),t=a.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m),o=a.isub(t).ishrn(this.shift),n=o;return 0<=o.cmp(this.m)?n=o.isub(this.m):0>o.cmpn(0)&&(n=o.iadd(this.m)),n._forceRed(this)},m.prototype.mul=function(e,r){if(0===e.cmpn(0)||0===r.cmpn(0))return new n(0)._forceRed(this);var a=e.mul(r),t=a.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m),o=a.isub(t).ishrn(this.shift),i=o;return 0<=o.cmp(this.m)?i=o.isub(this.m):0>o.cmpn(0)&&(i=o.iadd(this.m)),i._forceRed(this)},m.prototype.invm=function(e){var t=this.imod(e._invmp(this.m).mul(this.r2));return t._forceRed(this)}})("undefined"==typeof r||r,this)},{}],76:[function(e,t){function a(e){this.rand=e}var o;if(t.exports=function(e){return o||(o=new a(null)),o.generate(e)},t.exports.Rand=a,a.prototype.generate=function(e){return this._rand(e)},a.prototype._rand=function(e){if(this.rand.getBytes)return this.rand.getBytes(e);for(var t=new Uint8Array(e),r=0;r<t.length;r++)t[r]=this.rand.getByte();return t},"object"==typeof self)self.crypto&&self.crypto.getRandomValues?a.prototype._rand=function(e){var t=new Uint8Array(e);return self.crypto.getRandomValues(t),t}:self.msCrypto&&self.msCrypto.getRandomValues?a.prototype._rand=function(e){var t=new Uint8Array(e);return self.msCrypto.getRandomValues(t),t}:"object"==typeof window&&(a.prototype._rand=function(){throw new Error("Not implemented yet")});else try{var r=e("crypto");if("function"!=typeof r.randomBytes)throw new Error("Not supported");a.prototype._rand=function(e){return r.randomBytes(e)}}catch(t){}},{crypto:77}],77:[function(){},{}],78:[function(e,t){function r(e){d.isBuffer(e)||(e=d.from(e));for(var t=0|e.length/4,r=Array(t),a=0;a<t;a++)r[a]=e.readUInt32BE(4*a);return r}function a(e){for(var t=0;t<e.length;e++)e[t]=0}function o(e,t,r,a,o){for(var n=r[0],i=r[1],d=r[2],s=r[3],c=e[0]^t[0],f=e[1]^t[1],p=e[2]^t[2],u=e[3]^t[3],l=4,b=1,h,g,m,y;b<o;b++)h=n[c>>>24]^i[255&f>>>16]^d[255&p>>>8]^s[255&u]^t[l++],g=n[f>>>24]^i[255&p>>>16]^d[255&u>>>8]^s[255&c]^t[l++],m=n[p>>>24]^i[255&u>>>16]^d[255&c>>>8]^s[255&f]^t[l++],y=n[u>>>24]^i[255&c>>>16]^d[255&f>>>8]^s[255&p]^t[l++],c=h,f=g,p=m,u=y;return h=(a[c>>>24]<<24|a[255&f>>>16]<<16|a[255&p>>>8]<<8|a[255&u])^t[l++],g=(a[f>>>24]<<24|a[255&p>>>16]<<16|a[255&u>>>8]<<8|a[255&c])^t[l++],m=(a[p>>>24]<<24|a[255&u>>>16]<<16|a[255&c>>>8]<<8|a[255&f])^t[l++],y=(a[u>>>24]<<24|a[255&c>>>16]<<16|a[255&f>>>8]<<8|a[255&p])^t[l++],h>>>=0,g>>>=0,m>>>=0,y>>>=0,[h,g,m,y]}function n(e){this._key=r(e),this._reset()}var d=e("safe-buffer").Buffer,i=[0,1,2,4,8,16,32,64,128,27,54],s=function(){for(var e=Array(256),r=0;256>r;r++)e[r]=128>r?r<<1:283^r<<1;for(var a=[],o=[],n=[[],[],[],[]],d=[[],[],[],[]],s=0,c=0,f=0,i;256>f;++f){i=c^c<<1^c<<2^c<<3^c<<4,i=99^(i>>>8^255&i),a[s]=i,o[i]=s;var p=e[s],u=e[p],l=e[u],b=257*e[i]^16843008*i;n[0][s]=b<<24|b>>>8,n[1][s]=b<<16|b>>>16,n[2][s]=b<<8|b>>>24,n[3][s]=b,b=16843009*l^65537*u^257*p^16843008*s,d[0][i]=b<<24|b>>>8,d[1][i]=b<<16|b>>>16,d[2][i]=b<<8|b>>>24,d[3][i]=b,0==s?s=c=1:(s=p^e[e[e[l^p]]],c^=e[e[c]])}return{SBOX:a,INV_SBOX:o,SUB_MIX:n,INV_SUB_MIX:d}}();n.blockSize=16,n.keySize=32,n.prototype.blockSize=n.blockSize,n.prototype.keySize=n.keySize,n.prototype._reset=function(){for(var e=this._key,r=e.length,a=r+6,o=4*(a+1),n=[],d=0;d<r;d++)n[d]=e[d];for(d=r;d<o;d++){var c=n[d-1];0==d%r?(c=c<<8|c>>>24,c=s.SBOX[c>>>24]<<24|s.SBOX[255&c>>>16]<<16|s.SBOX[255&c>>>8]<<8|s.SBOX[255&c],c^=i[0|d/r]<<24):6<r&&4==d%r&&(c=s.SBOX[c>>>24]<<24|s.SBOX[255&c>>>16]<<16|s.SBOX[255&c>>>8]<<8|s.SBOX[255&c]),n[d]=n[d-r]^c}for(var t=[],f=0;f<o;f++){var p=o-f,u=n[p-(f%4?0:4)];t[f]=4>f||4>=p?u:s.INV_SUB_MIX[0][s.SBOX[u>>>24]]^s.INV_SUB_MIX[1][s.SBOX[255&u>>>16]]^s.INV_SUB_MIX[2][s.SBOX[255&u>>>8]]^s.INV_SUB_MIX[3][s.SBOX[255&u]]}this._nRounds=a,this._keySchedule=n,this._invKeySchedule=t},n.prototype.encryptBlockRaw=function(e){return e=r(e),o(e,this._keySchedule,s.SUB_MIX,s.SBOX,this._nRounds)},n.prototype.encryptBlock=function(e){var t=this.encryptBlockRaw(e),r=d.allocUnsafe(16);return r.writeUInt32BE(t[0],0),r.writeUInt32BE(t[1],4),r.writeUInt32BE(t[2],8),r.writeUInt32BE(t[3],12),r},n.prototype.decryptBlock=function(e){e=r(e);var t=e[1];e[1]=e[3],e[3]=t;var a=o(e,this._invKeySchedule,s.INV_SUB_MIX,s.INV_SBOX,this._nRounds),n=d.allocUnsafe(16);return n.writeUInt32BE(a[0],0),n.writeUInt32BE(a[3],4),n.writeUInt32BE(a[2],8),n.writeUInt32BE(a[1],12),n},n.prototype.scrub=function(){a(this._keySchedule),a(this._invKeySchedule),a(this._key)},t.exports.AES=n},{"safe-buffer":251}],79:[function(e,t){function r(e,t){var r=0;e.length!==t.length&&r++;for(var a=u(e.length,t.length),o=0;o<a;++o)r+=e[o]^t[o];return r}function a(e,t,r){if(12===t.length)return e._finID=i.concat([t,i.from([0,0,0,1])]),i.concat([t,i.from([0,0,0,2])]);var a=new c(r),o=t.length,n=o%16;a.update(t),n&&(n=16-n,a.update(i.alloc(n,0))),a.update(i.alloc(8,0));var d=i.alloc(8);d.writeUIntBE(8*o,0,8),a.update(d),e._finID=a.state;var s=i.from(e._finID);return p(s),s}function o(e,t,r,o){d.call(this);var s=i.alloc(4,0);this._cipher=new n.AES(t);var f=this._cipher.encryptBlock(s);this._ghash=new c(f),r=a(this,r,f),this._prev=i.from(r),this._cache=i.allocUnsafe(0),this._secCache=i.allocUnsafe(0),this._decrypt=o,this._alen=0,this._len=0,this._mode=e,this._authTag=null,this._called=!1}var n=e("./aes"),i=e("safe-buffer").Buffer,d=e("cipher-base"),s=e("inherits"),c=e("./ghash"),f=e("buffer-xor"),p=e("./incr32");s(o,d),o.prototype._update=function(e){if(!this._called&&this._alen){var t=16-this._alen%16;16>t&&(t=i.alloc(t,0),this._ghash.update(t))}this._called=!0;var r=this._mode.encrypt(this,e);return this._decrypt?this._ghash.update(e):this._ghash.update(r),this._len+=e.length,r},o.prototype._final=function(){if(this._decrypt&&!this._authTag)throw new Error("Unsupported state or unable to authenticate data");var e=f(this._ghash.final(8*this._alen,8*this._len),this._cipher.encryptBlock(this._finID));if(this._decrypt&&r(e,this._authTag))throw new Error("Unsupported state or unable to authenticate data");this._authTag=e,this._cipher.scrub()},o.prototype.getAuthTag=function(){if(this._decrypt||!i.isBuffer(this._authTag))throw new Error("Attempting to get auth tag in unsupported state");return this._authTag},o.prototype.setAuthTag=function(e){if(!this._decrypt)throw new Error("Attempting to set auth tag in unsupported state");this._authTag=e},o.prototype.setAAD=function(e){if(this._called)throw new Error("Attempting to set AAD in unsupported state");this._ghash.update(e),this._alen+=e.length},t.exports=o},{"./aes":78,"./ghash":83,"./incr32":84,"buffer-xor":125,"cipher-base":131,inherits:201,"safe-buffer":251}],80:[function(e,t,r){var a=e("./encrypter"),o=e("./decrypter"),n=e("./modes/list.json");r.createCipher=r.Cipher=a.createCipher,r.createCipheriv=r.Cipheriv=a.createCipheriv,r.createDecipher=r.Decipher=o.createDecipher,r.createDecipheriv=r.Decipheriv=o.createDecipheriv,r.listCiphers=r.getCiphers=function(){return Object.keys(n)}},{"./decrypter":81,"./encrypter":82,"./modes/list.json":92}],81:[function(e,t,r){function a(e,t,r){p.call(this),this._cache=new o,this._last=void 0,this._cipher=new u.AES(t),this._prev=s.from(r),this._mode=e,this._autopadding=!0}function o(){this.cache=s.allocUnsafe(0)}function n(e){for(var t=e[15],r=-1;++r<t;)if(e[r+(16-t)]!==t)throw new Error("unable to decrypt data");return 16===t?void 0:e.slice(0,16-t)}function i(e,t,r){var o=c[e.toLowerCase()];if(!o)throw new TypeError("invalid suite type");if("string"==typeof r&&(r=s.from(r)),"GCM"!==o.mode&&r.length!==o.iv)throw new TypeError("invalid iv length "+r.length);if("string"==typeof t&&(t=s.from(t)),t.length!==o.key/8)throw new TypeError("invalid key length "+t.length);return"stream"===o.type?new f(o.module,t,r,!0):"auth"===o.type?new d(o.module,t,r,!0):new a(o.module,t,r)}var d=e("./authCipher"),s=e("safe-buffer").Buffer,c=e("./modes"),f=e("./streamCipher"),p=e("cipher-base"),u=e("./aes"),l=e("evp_bytestokey"),b=e("inherits");b(a,p),a.prototype._update=function(e){this._cache.add(e);for(var t=[],r,a;r=this._cache.get(this._autopadding);)a=this._mode.decrypt(this,r),t.push(a);return s.concat(t)},a.prototype._final=function(){var e=this._cache.flush();if(this._autopadding)return n(this._mode.decrypt(this,e));if(e)throw new Error("data not multiple of block length")},a.prototype.setAutoPadding=function(e){return this._autopadding=!!e,this},o.prototype.add=function(e){this.cache=s.concat([this.cache,e])},o.prototype.get=function(e){var t;if(e){if(16<this.cache.length)return t=this.cache.slice(0,16),this.cache=this.cache.slice(16),t;}else if(16<=this.cache.length)return t=this.cache.slice(0,16),this.cache=this.cache.slice(16),t;return null},o.prototype.flush=function(){if(this.cache.length)return this.cache},r.createDecipher=function(e,t){var r=c[e.toLowerCase()];if(!r)throw new TypeError("invalid suite type");var a=l(t,!1,r.key,r.iv);return i(e,a.key,a.iv)},r.createDecipheriv=i},{"./aes":78,"./authCipher":79,"./modes":91,"./streamCipher":94,"cipher-base":131,evp_bytestokey:183,inherits:201,"safe-buffer":251}],82:[function(e,t,r){function a(e,t,r){f.call(this),this._cache=new o,this._cipher=new p.AES(t),this._prev=s.from(r),this._mode=e,this._autopadding=!0}function o(){this.cache=s.allocUnsafe(0)}function n(e,t,r){var o=i[e.toLowerCase()];if(!o)throw new TypeError("invalid suite type");if("string"==typeof t&&(t=s.from(t)),t.length!==o.key/8)throw new TypeError("invalid key length "+t.length);if("string"==typeof r&&(r=s.from(r)),"GCM"!==o.mode&&r.length!==o.iv)throw new TypeError("invalid iv length "+r.length);return"stream"===o.type?new c(o.module,t,r):"auth"===o.type?new d(o.module,t,r):new a(o.module,t,r)}var i=e("./modes"),d=e("./authCipher"),s=e("safe-buffer").Buffer,c=e("./streamCipher"),f=e("cipher-base"),p=e("./aes"),u=e("evp_bytestokey"),l=e("inherits");l(a,f),a.prototype._update=function(e){this._cache.add(e);for(var t=[],r,a;r=this._cache.get();)a=this._mode.encrypt(this,r),t.push(a);return s.concat(t)};var b=s.alloc(16,16);a.prototype._final=function(){var e=this._cache.flush();if(this._autopadding)return e=this._mode.encrypt(this,e),this._cipher.scrub(),e;if(!e.equals(b))throw this._cipher.scrub(),new Error("data not multiple of block length")},a.prototype.setAutoPadding=function(e){return this._autopadding=!!e,this},o.prototype.add=function(e){this.cache=s.concat([this.cache,e])},o.prototype.get=function(){if(15<this.cache.length){var e=this.cache.slice(0,16);return this.cache=this.cache.slice(16),e}return null},o.prototype.flush=function(){for(var e=16-this.cache.length,t=s.allocUnsafe(e),r=-1;++r<e;)t.writeUInt8(e,r);return s.concat([this.cache,t])},r.createCipheriv=n,r.createCipher=function(e,t){var r=i[e.toLowerCase()];if(!r)throw new TypeError("invalid suite type");var a=u(t,!1,r.key,r.iv);return n(e,a.key,a.iv)}},{"./aes":78,"./authCipher":79,"./modes":91,"./streamCipher":94,"cipher-base":131,evp_bytestokey:183,inherits:201,"safe-buffer":251}],83:[function(e,t){function r(e){return[e.readUInt32BE(0),e.readUInt32BE(4),e.readUInt32BE(8),e.readUInt32BE(12)]}function a(e){var t=n.allocUnsafe(16);return t.writeUInt32BE(e[0]>>>0,0),t.writeUInt32BE(e[1]>>>0,4),t.writeUInt32BE(e[2]>>>0,8),t.writeUInt32BE(e[3]>>>0,12),t}function o(e){this.h=e,this.state=n.alloc(16,0),this.cache=n.allocUnsafe(0)}var n=e("safe-buffer").Buffer,i=n.alloc(16,0);o.prototype.ghash=function(e){for(var t=-1;++t<e.length;)this.state[t]^=e[t];this._multiply()},o.prototype._multiply=function(){for(var e=r(this.h),t=[0,0,0,0],o=-1,n,i,d;128>++o;){for(i=0!=(this.state[~~(o/8)]&1<<7-o%8),i&&(t[0]^=e[0],t[1]^=e[1],t[2]^=e[2],t[3]^=e[3]),d=0!=(1&e[3]),n=3;0<n;n--)e[n]=e[n]>>>1|(1&e[n-1])<<31;e[0]>>>=1,d&&(e[0]^=-520093696)}this.state=a(t)},o.prototype.update=function(e){this.cache=n.concat([this.cache,e]);for(var t;16<=this.cache.length;)t=this.cache.slice(0,16),this.cache=this.cache.slice(16),this.ghash(t)},o.prototype.final=function(e,t){return this.cache.length&&this.ghash(n.concat([this.cache,i],16)),this.ghash(a([0,e,0,t])),this.state},t.exports=o},{"safe-buffer":251}],84:[function(e,t){t.exports=function(e){for(var t=e.length,r;t--;)if(r=e.readUInt8(t),255===r)e.writeUInt8(0,t);else{r++,e.writeUInt8(r,t);break}}},{}],85:[function(e,t,r){var a=e("buffer-xor");r.encrypt=function(e,t){var r=a(t,e._prev);return e._prev=e._cipher.encryptBlock(r),e._prev},r.decrypt=function(e,t){var r=e._prev;e._prev=t;var o=e._cipher.decryptBlock(t);return a(o,r)}},{"buffer-xor":125}],86:[function(e,t,r){function a(e,t,r){var a=t.length,i=n(t,e._cache);return e._cache=e._cache.slice(a),e._prev=o.concat([e._prev,r?t:i]),i}var o=e("safe-buffer").Buffer,n=e("buffer-xor");r.encrypt=function(e,t,r){for(var n=o.allocUnsafe(0),i;t.length;)if(0===e._cache.length&&(e._cache=e._cipher.encryptBlock(e._prev),e._prev=o.allocUnsafe(0)),e._cache.length<=t.length)i=e._cache.length,n=o.concat([n,a(e,t.slice(0,i),r)]),t=t.slice(i);else{n=o.concat([n,a(e,t,r)]);break}return n}},{"buffer-xor":125,"safe-buffer":251}],87:[function(e,t,r){function a(e,t,r){for(var a=-1,n=0,i,d,s;++a<8;)i=e._cipher.encryptBlock(e._prev),d=t&1<<7-a?128:0,s=i[0]^d,n+=(128&s)>>a%8,e._prev=o(e._prev,r?d:s);return n}function o(e,t){var r=e.length,a=-1,o=n.allocUnsafe(e.length);for(e=n.concat([e,n.from([t])]);++a<r;)o[a]=e[a]<<1|e[a+1]>>7;return o}var n=e("safe-buffer").Buffer;r.encrypt=function(e,t,r){for(var o=t.length,d=n.allocUnsafe(o),s=-1;++s<o;)d[s]=a(e,t[s],r);return d}},{"safe-buffer":251}],88:[function(e,t,r){function a(e,t,r){var a=e._cipher.encryptBlock(e._prev),n=a[0]^t;return e._prev=o.concat([e._prev.slice(1),o.from([r?t:n])]),n}var o=e("safe-buffer").Buffer;r.encrypt=function(e,t,r){for(var n=t.length,d=o.allocUnsafe(n),s=-1;++s<n;)d[s]=a(e,t[s],r);return d}},{"safe-buffer":251}],89:[function(e,t,r){function a(e){var t=e._cipher.encryptBlockRaw(e._prev);return i(e._prev),t}var o=e("buffer-xor"),n=e("safe-buffer").Buffer,i=e("../incr32"),d=16;r.encrypt=function(e,t){var r=p(t.length/d),s=e._cache.length;e._cache=n.concat([e._cache,n.allocUnsafe(r*d)]);for(var c=0;c<r;c++){var i=a(e),f=s+c*d;e._cache.writeUInt32BE(i[0],f+0),e._cache.writeUInt32BE(i[1],f+4),e._cache.writeUInt32BE(i[2],f+8),e._cache.writeUInt32BE(i[3],f+12)}var u=e._cache.slice(0,t.length);return e._cache=e._cache.slice(t.length),o(t,u)}},{"../incr32":84,"buffer-xor":125,"safe-buffer":251}],90:[function(e,t,r){r.encrypt=function(e,t){return e._cipher.encryptBlock(t)},r.decrypt=function(e,t){return e._cipher.decryptBlock(t)}},{}],91:[function(e,t){var r={ECB:e("./ecb"),CBC:e("./cbc"),CFB:e("./cfb"),CFB8:e("./cfb8"),CFB1:e("./cfb1"),OFB:e("./ofb"),CTR:e("./ctr"),GCM:e("./ctr")},a=e("./list.json");for(var o in a)a[o].module=r[a[o].mode];t.exports=a},{"./cbc":85,"./cfb":86,"./cfb1":87,"./cfb8":88,"./ctr":89,"./ecb":90,"./list.json":92,"./ofb":93}],92:[function(e,t){t.exports={"aes-128-ecb":{cipher:"AES",key:128,iv:0,mode:"ECB",type:"block"},"aes-192-ecb":{cipher:"AES",key:192,iv:0,mode:"ECB",type:"block"},"aes-256-ecb":{cipher:"AES",key:256,iv:0,mode:"ECB",type:"block"},"aes-128-cbc":{cipher:"AES",key:128,iv:16,mode:"CBC",type:"block"},"aes-192-cbc":{cipher:"AES",key:192,iv:16,mode:"CBC",type:"block"},"aes-256-cbc":{cipher:"AES",key:256,iv:16,mode:"CBC",type:"block"},aes128:{cipher:"AES",key:128,iv:16,mode:"CBC",type:"block"},aes192:{cipher:"AES",key:192,iv:16,mode:"CBC",type:"block"},aes256:{cipher:"AES",key:256,iv:16,mode:"CBC",type:"block"},"aes-128-cfb":{cipher:"AES",key:128,iv:16,mode:"CFB",type:"stream"},"aes-192-cfb":{cipher:"AES",key:192,iv:16,mode:"CFB",type:"stream"},"aes-256-cfb":{cipher:"AES",key:256,iv:16,mode:"CFB",type:"stream"},"aes-128-cfb8":{cipher:"AES",key:128,iv:16,mode:"CFB8",type:"stream"},"aes-192-cfb8":{cipher:"AES",key:192,iv:16,mode:"CFB8",type:"stream"},"aes-256-cfb8":{cipher:"AES",key:256,iv:16,mode:"CFB8",type:"stream"},"aes-128-cfb1":{cipher:"AES",key:128,iv:16,mode:"CFB1",type:"stream"},"aes-192-cfb1":{cipher:"AES",key:192,iv:16,mode:"CFB1",type:"stream"},"aes-256-cfb1":{cipher:"AES",key:256,iv:16,mode:"CFB1",type:"stream"},"aes-128-ofb":{cipher:"AES",key:128,iv:16,mode:"OFB",type:"stream"},"aes-192-ofb":{cipher:"AES",key:192,iv:16,mode:"OFB",type:"stream"},"aes-256-ofb":{cipher:"AES",key:256,iv:16,mode:"OFB",type:"stream"},"aes-128-ctr":{cipher:"AES",key:128,iv:16,mode:"CTR",type:"stream"},"aes-192-ctr":{cipher:"AES",key:192,iv:16,mode:"CTR",type:"stream"},"aes-256-ctr":{cipher:"AES",key:256,iv:16,mode:"CTR",type:"stream"},"aes-128-gcm":{cipher:"AES",key:128,iv:12,mode:"GCM",type:"auth"},"aes-192-gcm":{cipher:"AES",key:192,iv:12,mode:"GCM",type:"auth"},"aes-256-gcm":{cipher:"AES",key:256,iv:12,mode:"GCM",type:"auth"}}},{}],93:[function(e,t,r){(function(t){function a(e){return e._prev=e._cipher.encryptBlock(e._prev),e._prev}var o=e("buffer-xor");r.encrypt=function(e,r){for(;e._cache.length<r.length;)e._cache=t.concat([e._cache,a(e)]);var n=e._cache.slice(0,r.length);return e._cache=e._cache.slice(r.length),o(r,n)}}).call(this,e("buffer").Buffer)},{buffer:126,"buffer-xor":125}],94:[function(e,t){function r(e,t,r,i){n.call(this),this._cipher=new a.AES(t),this._prev=o.from(r),this._cache=o.allocUnsafe(0),this._secCache=o.allocUnsafe(0),this._decrypt=i,this._mode=e}var a=e("./aes"),o=e("safe-buffer").Buffer,n=e("cipher-base"),i=e("inherits");i(r,n),r.prototype._update=function(e){return this._mode.encrypt(this,e,this._decrypt)},r.prototype._final=function(){this._cipher.scrub()},t.exports=r},{"./aes":78,"cipher-base":131,inherits:201,"safe-buffer":251}],95:[function(e,t,r){function a(e,t,r){if(e=e.toLowerCase(),c[e])return i.createCipheriv(e,t,r);if(s[e])return new d({key:t,iv:r,mode:e});throw new TypeError("invalid suite type")}function o(e,t,r){if(e=e.toLowerCase(),c[e])return i.createDecipheriv(e,t,r);if(s[e])return new d({key:t,iv:r,mode:e,decrypt:!0});throw new TypeError("invalid suite type")}var n=e("evp_bytestokey"),i=e("browserify-aes/browser"),d=e("browserify-des"),s=e("browserify-des/modes"),c=e("browserify-aes/modes");r.createCipher=r.Cipher=function(e,t){var r,o;if(e=e.toLowerCase(),c[e])r=c[e].key,o=c[e].iv;else if(s[e])r=8*s[e].key,o=s[e].iv;else throw new TypeError("invalid suite type");var i=n(t,!1,r,o);return a(e,i.key,i.iv)},r.createCipheriv=r.Cipheriv=a,r.createDecipher=r.Decipher=function(e,t){var r,a;if(e=e.toLowerCase(),c[e])r=c[e].key,a=c[e].iv;else if(s[e])r=8*s[e].key,a=s[e].iv;else throw new TypeError("invalid suite type");var i=n(t,!1,r,a);return o(e,i.key,i.iv)},r.createDecipheriv=r.Decipheriv=o,r.listCiphers=r.getCiphers=function(){return Object.keys(s).concat(i.getCiphers())}},{"browserify-aes/browser":80,"browserify-aes/modes":91,"browserify-des":96,"browserify-des/modes":97,evp_bytestokey:183}],96:[function(e,t){(function(r){function a(e){o.call(this);var t=e.mode.toLowerCase(),a=d[t],n;n=e.decrypt?"decrypt":"encrypt";var i=e.key;("des-ede"===t||"des-ede-cbc"===t)&&(i=r.concat([i,i.slice(0,8)]));var s=e.iv;this._des=a.create({key:i,iv:s,type:n})}var o=e("cipher-base"),n=e("des.js"),i=e("inherits"),d={"des-ede3-cbc":n.CBC.instantiate(n.EDE),"des-ede3":n.EDE,"des-ede-cbc":n.CBC.instantiate(n.EDE),"des-ede":n.EDE,"des-cbc":n.CBC.instantiate(n.DES),"des-ecb":n.DES};d.des=d["des-cbc"],d.des3=d["des-ede3-cbc"],t.exports=a,i(a,o),a.prototype._update=function(e){return new r(this._des.update(e))},a.prototype._final=function(){return new r(this._des.final())}}).call(this,e("buffer").Buffer)},{buffer:126,"cipher-base":131,"des.js":157,inherits:201}],97:[function(e,t,r){r["des-ecb"]={key:8,iv:0},r["des-cbc"]=r.des={key:8,iv:8},r["des-ede3-cbc"]=r.des3={key:24,iv:8},r["des-ede3"]={key:24,iv:0},r["des-ede-cbc"]={key:16,iv:8},r["des-ede"]={key:16,iv:0}},{}],98:[function(e,t){(function(r){function a(e){var t=n(e),r=t.toRed(i.mont(e.modulus)).redPow(new i(e.publicExponent)).fromRed();return{blinder:r,unblinder:t.invm(e.modulus)}}function o(e,t){var o=a(t),n=t.modulus.byteLength(),d=i.mont(t.modulus),s=new i(e).mul(o.blinder).umod(t.modulus),c=s.toRed(i.mont(t.prime1)),f=s.toRed(i.mont(t.prime2)),u=t.coefficient,l=t.prime1,p=t.prime2,b=c.redPow(t.exponent1),g=f.redPow(t.exponent2);b=b.fromRed(),g=g.fromRed();var m=b.isub(g).imul(u).umod(l);return m.imul(p),g.iadd(m),new r(g.imul(o.unblinder).umod(t.modulus).toArray(!1,n))}function n(e){for(var t=e.modulus.byteLength(),a=new i(d(t));0<=a.cmp(e.modulus)||!a.umod(e.prime1)||!a.umod(e.prime2);)a=new i(d(t));return a}var i=e("bn.js"),d=e("randombytes");t.exports=o,o.getr=n}).call(this,e("buffer").Buffer)},{"bn.js":99,buffer:126,randombytes:234}],99:[function(e,t,r){arguments[4][71][0].apply(r,arguments)},{buffer:77,dup:71}],100:[function(e,t){t.exports=e("./browser/algorithms.json")},{"./browser/algorithms.json":101}],101:[function(e,t){t.exports={sha224WithRSAEncryption:{sign:"rsa",hash:"sha224",id:"302d300d06096086480165030402040500041c"},"RSA-SHA224":{sign:"ecdsa/rsa",hash:"sha224",id:"302d300d06096086480165030402040500041c"},sha256WithRSAEncryption:{sign:"rsa",hash:"sha256",id:"3031300d060960864801650304020105000420"},"RSA-SHA256":{sign:"ecdsa/rsa",hash:"sha256",id:"3031300d060960864801650304020105000420"},sha384WithRSAEncryption:{sign:"rsa",hash:"sha384",id:"3041300d060960864801650304020205000430"},"RSA-SHA384":{sign:"ecdsa/rsa",hash:"sha384",id:"3041300d060960864801650304020205000430"},sha512WithRSAEncryption:{sign:"rsa",hash:"sha512",id:"3051300d060960864801650304020305000440"},"RSA-SHA512":{sign:"ecdsa/rsa",hash:"sha512",id:"3051300d060960864801650304020305000440"},"RSA-SHA1":{sign:"rsa",hash:"sha1",id:"3021300906052b0e03021a05000414"},"ecdsa-with-SHA1":{sign:"ecdsa",hash:"sha1",id:""},sha256:{sign:"ecdsa",hash:"sha256",id:""},sha224:{sign:"ecdsa",hash:"sha224",id:""},sha384:{sign:"ecdsa",hash:"sha384",id:""},sha512:{sign:"ecdsa",hash:"sha512",id:""},"DSA-SHA":{sign:"dsa",hash:"sha1",id:""},"DSA-SHA1":{sign:"dsa",hash:"sha1",id:""},DSA:{sign:"dsa",hash:"sha1",id:""},"DSA-WITH-SHA224":{sign:"dsa",hash:"sha224",id:""},"DSA-SHA224":{sign:"dsa",hash:"sha224",id:""},"DSA-WITH-SHA256":{sign:"dsa",hash:"sha256",id:""},"DSA-SHA256":{sign:"dsa",hash:"sha256",id:""},"DSA-WITH-SHA384":{sign:"dsa",hash:"sha384",id:""},"DSA-SHA384":{sign:"dsa",hash:"sha384",id:""},"DSA-WITH-SHA512":{sign:"dsa",hash:"sha512",id:""},"DSA-SHA512":{sign:"dsa",hash:"sha512",id:""},"DSA-RIPEMD160":{sign:"dsa",hash:"rmd160",id:""},ripemd160WithRSA:{sign:"rsa",hash:"rmd160",id:"3021300906052b2403020105000414"},"RSA-RIPEMD160":{sign:"rsa",hash:"rmd160",id:"3021300906052b2403020105000414"},md5WithRSAEncryption:{sign:"rsa",hash:"md5",id:"3020300c06082a864886f70d020505000410"},"RSA-MD5":{sign:"rsa",hash:"md5",id:"3020300c06082a864886f70d020505000410"}}},{}],102:[function(e,t){t.exports={"1.3.132.0.10":"secp256k1","1.3.132.0.33":"p224","1.2.840.10045.3.1.1":"p192","1.2.840.10045.3.1.7":"p256","1.3.132.0.34":"p384","1.3.132.0.35":"p521"}},{}],103:[function(e,t){(function(r){function a(e){s.Writable.call(this);var t=u[e];if(!t)throw new Error("Unknown message digest");this._hashType=t.hash,this._hash=d(t.hash),this._tag=t.id,this._signType=t.sign}function o(e){s.Writable.call(this);var t=u[e];if(!t)throw new Error("Unknown message digest");this._hash=d(t.hash),this._tag=t.id,this._signType=t.sign}function n(e){return new a(e)}function i(e){return new o(e)}var d=e("create-hash"),s=e("stream"),c=e("inherits"),f=e("./sign"),p=e("./verify"),u=e("./algorithms.json");Object.keys(u).forEach(function(e){u[e].id=new r(u[e].id,"hex"),u[e.toLowerCase()]=u[e]}),c(a,s.Writable),a.prototype._write=function(e,t,r){this._hash.update(e),r()},a.prototype.update=function(e,t){return"string"==typeof e&&(e=new r(e,t)),this._hash.update(e),this},a.prototype.sign=function(e,t){this.end();var r=this._hash.digest(),a=f(r,e,this._hashType,this._signType,this._tag);return t?a.toString(t):a},c(o,s.Writable),o.prototype._write=function(e,t,r){this._hash.update(e),r()},o.prototype.update=function(e,t){return"string"==typeof e&&(e=new r(e,t)),this._hash.update(e),this},o.prototype.verify=function(e,t,a){"string"==typeof t&&(t=new r(t,a)),this.end();var o=this._hash.digest();return p(t,o,e,this._signType,this._tag)},t.exports={Sign:n,Verify:i,createSign:n,createVerify:i}}).call(this,e("buffer").Buffer)},{"./algorithms.json":101,"./sign":104,"./verify":105,buffer:126,"create-hash":151,inherits:201,stream:260}],104:[function(e,t){(function(a){function r(e,t){var r=g[t.curve.join(".")];if(!r)throw new Error("unknown curve "+t.curve.join("."));var o=new l(r),n=o.keyFromPrivate(t.privateKey),i=n.sign(e);return new a(i.toDER())}function o(e,t,a){for(var o=t.params.priv_key,u=t.params.p,p=t.params.q,l=t.params.g,h=new b(0),r=d(e,p).mod(p),g=!1,s=i(o,p,e,a),m;!1==g;)m=c(p,s,a),h=f(l,m,u,p),g=m.invm(p).imul(r.add(o.mul(h))).mod(p),0===g.cmpn(0)&&(g=!1,h=new b(0));return n(h,g)}function n(e,t){e=e.toArray(),t=t.toArray(),128&e[0]&&(e=[0].concat(e)),128&t[0]&&(t=[0].concat(t));var r=e.length+t.length+4,o=[48,r,2,e.length];return o=o.concat(e,[2,t.length],t),new a(o)}function i(e,t,r,o){if(e=new a(e.toArray()),e.length<t.byteLength()){var n=new a(t.byteLength()-e.length);n.fill(0),e=a.concat([n,e])}var i=r.length,d=s(r,t),c=new a(i);c.fill(1);var f=new a(i);return f.fill(0),f=p(o,f).update(c).update(new a([0])).update(e).update(d).digest(),c=p(o,f).update(c).digest(),f=p(o,f).update(c).update(new a([1])).update(e).update(d).digest(),c=p(o,f).update(c).digest(),{k:f,v:c}}function d(e,t){var r=new b(e),a=(e.length<<3)-t.bitLength();return 0<a&&r.ishrn(a),r}function s(e,t){e=d(e,t),e=e.mod(t);var r=new a(e.toArray());if(r.length<t.byteLength()){var o=new a(t.byteLength()-r.length);o.fill(0),r=a.concat([o,r])}return r}function c(e,r,o){var n,t;do{for(n=new a(0);8*n.length<e.bitLength();)r.v=p(o,r.k).update(r.v).digest(),n=a.concat([n,r.v]);t=d(n,e),r.k=p(o,r.k).update(r.v).update(new a([0])).digest(),r.v=p(o,r.k).update(r.v).digest()}while(-1!==t.cmp(e));return t}function f(e,t,r,a){return e.toRed(b.mont(r)).redPow(t).fromRed().mod(a)}var p=e("create-hmac"),u=e("browserify-rsa"),l=e("elliptic").ec,b=e("bn.js"),h=e("parse-asn1"),g=e("./curves.json");t.exports=function(e,t,n,d,s){var c=h(t);if(c.curve){if("ecdsa"!==d&&"ecdsa/rsa"!==d)throw new Error("wrong private key type");return r(e,c)}if("dsa"===c.type){if("dsa"!==d)throw new Error("wrong private key type");return o(e,c,n)}if("rsa"!==d&&"ecdsa/rsa"!==d)throw new Error("wrong private key type");e=a.concat([s,e]);for(var f=c.modulus.byteLength(),p=[0,1];e.length+p.length+1<f;)p.push(255);p.push(0);for(var l=-1;++l<e.length;)p.push(e[l]);var i=u(p,c);return i},t.exports.getKey=i,t.exports.makeKey=c}).call(this,e("buffer").Buffer)},{"./curves.json":102,"bn.js":106,"browserify-rsa":98,buffer:126,"create-hmac":154,elliptic:107,"parse-asn1":215}],105:[function(e,t){(function(r){function a(e,t,r){var a=s[r.data.algorithm.curve.join(".")];if(!a)throw new Error("unknown curve "+r.data.algorithm.curve.join("."));var o=new i(a),n=r.data.subjectPrivateKey.data;return o.verify(t,e,n)}function o(e,t,a){var o=a.data.p,i=a.data.q,f=a.data.g,p=a.data.pub_key,u=c.signature.decode(e,"der"),l=u.s,s=u.r;n(l,i),n(s,i);var r=d.mont(o),b=l.invm(i),h=f.toRed(r).redPow(new d(t).mul(b).mod(i)).fromRed().mul(p.toRed(r).redPow(s.mul(b).mod(i)).fromRed()).mod(o).mod(i);return 0===h.cmp(s)}function n(e,t){if(0>=e.cmpn(0))throw new Error("invalid sig");if(e.cmp(t)>=t)throw new Error("invalid sig")}var d=e("bn.js"),i=e("elliptic").ec,c=e("parse-asn1"),s=e("./curves.json");t.exports=function(e,t,n,s,f){var p=c(n);if("ec"===p.type){if("ecdsa"!==s&&"ecdsa/rsa"!==s)throw new Error("wrong public key type");return a(e,t,p)}if("dsa"===p.type){if("dsa"!==s)throw new Error("wrong public key type");return o(e,t,p)}if("rsa"!==s&&"ecdsa/rsa"!==s)throw new Error("wrong public key type");t=r.concat([f,t]);for(var l=p.modulus.byteLength(),b=[1],h=0;t.length+b.length+2<l;)b.push(255),h++;b.push(0);for(var g=-1;++g<t.length;)b.push(t[g]);b=new r(b);var i=d.mont(p.modulus);e=new d(e).toRed(i),e=e.redPow(new d(p.publicExponent)),e=new r(e.fromRed().toArray());var m=8>h?1:0;for(l=u(e.length,b.length),e.length!==b.length&&(m=1),g=-1;++g<l;)m|=e[g]^b[g];return 0==m}}).call(this,e("buffer").Buffer)},{"./curves.json":102,"bn.js":106,buffer:126,elliptic:107,"parse-asn1":215}],106:[function(e,t,r){arguments[4][71][0].apply(r,arguments)},{buffer:77,dup:71}],107:[function(e,t,r){"use strict";var a=r;a.version=e("../package.json").version,a.utils=e("./elliptic/utils"),a.rand=e("brorand"),a.curve=e("./elliptic/curve"),a.curves=e("./elliptic/curves"),a.ec=e("./elliptic/ec"),a.eddsa=e("./elliptic/eddsa")},{"../package.json":122,"./elliptic/curve":110,"./elliptic/curves":113,"./elliptic/ec":114,"./elliptic/eddsa":117,"./elliptic/utils":121,brorand:76}],108:[function(e,t){"use strict";function r(e,t){this.type=e,this.p=new o(t.p,16),this.red=t.prime?o.red(t.prime):o.mont(this.p),this.zero=new o(0).toRed(this.red),this.one=new o(1).toRed(this.red),this.two=new o(2).toRed(this.red),this.n=t.n&&new o(t.n,16),this.g=t.g&&this.pointFromJSON(t.g,t.gRed),this._wnafT1=[,,,,],this._wnafT2=[,,,,],this._wnafT3=[,,,,],this._wnafT4=[,,,,];var r=this.n&&this.p.div(this.n);!r||0<r.cmpn(100)?this.redN=null:(this._maxwellTrick=!0,this.redN=this.n.toRed(this.red))}function a(e,t){this.curve=e,this.type=t,this.precomputed=null}var o=e("bn.js"),n=e("../../elliptic"),i=n.utils,d=i.getNAF,s=i.getJSF,c=i.assert;t.exports=r,r.prototype.point=function(){throw new Error("Not implemented")},r.prototype.validate=function(){throw new Error("Not implemented")},r.prototype._fixedNafMul=function(e,t){c(e.precomputed);var r=e._getDoubles(),o=d(t,1),n=(1<<r.step+1)-(0==r.step%2?2:1);n/=3;for(var s=[],f=0,p;f<o.length;f+=r.step){p=0;for(var t=f+r.step-1;t>=f;t--)p=(p<<1)+o[t];s.push(p)}for(var u=this.jpoint(null,null,null),a=this.jpoint(null,null,null),l=n;0<l;l--){for(var f=0,p;f<s.length;f++)p=s[f],p===l?a=a.mixedAdd(r.points[f]):p===-l&&(a=a.mixedAdd(r.points[f].neg()));u=u.add(a)}return u.toP()},r.prototype._wnafMul=function(e,t){var r=4,a=e._getNAFPoints(r);r=a.wnd;for(var o=a.points,n=d(t,r),s=this.jpoint(null,null,null),f=n.length-1;0<=f;f--){for(var t=0;0<=f&&0===n[f];f--)t++;if(0<=f&&t++,s=s.dblp(t),0>f)break;var i=n[f];c(0!==i),s="affine"===e.type?0<i?s.mixedAdd(o[i-1>>1]):s.mixedAdd(o[-i-1>>1].neg()):0<i?s.add(o[i-1>>1]):s.add(o[-i-1>>1].neg())}return"affine"===e.type?s.toP():s},r.prototype._wnafMulAdd=function(e,t,r,o,n){for(var c=this._wnafT1,u=this._wnafT2,l=this._wnafT3,h=0,g=0;g<o;g++){var i=t[g],p=i._getNAFPoints(e);c[g]=p.wnd,u[g]=p.points}for(var g=o-1;1<=g;g-=2){var m=g-1,a=g;if(1!==c[m]||1!==c[a]){l[m]=d(r[m],c[m]),l[a]=d(r[a],c[a]),h=f(l[m].length,h),h=f(l[a].length,h);continue}var b=[t[m],null,null,t[a]];0===t[m].y.cmp(t[a].y)?(b[1]=t[m].add(t[a]),b[2]=t[m].toJ().mixedAdd(t[a].neg())):0===t[m].y.cmp(t[a].y.redNeg())?(b[1]=t[m].toJ().mixedAdd(t[a]),b[2]=t[m].add(t[a].neg())):(b[1]=t[m].toJ().mixedAdd(t[a]),b[2]=t[m].toJ().mixedAdd(t[a].neg()));var y=[-3,-1,-5,-7,0,7,5,1,3],_=s(r[m],r[a]);h=f(_[0].length,h),l[m]=Array(h),l[a]=Array(h);for(var v=0;v<h;v++){var S=0|_[0][v],I=0|_[1][v];l[m][v]=y[3*(S+1)+(I+1)],l[a][v]=0,u[m]=b}}for(var x=this.jpoint(null,null,null),w=this._wnafT4,g=h,A;0<=g;g--){for(A=0;0<=g;){for(var k=!0,v=0;v<o;v++)w[v]=0|l[v][g],0!==w[v]&&(k=!1);if(!k)break;A++,g--}if(0<=g&&A++,x=x.dblp(A),0>g)break;for(var v=0;v<o;v++){var E=w[v],i;if(0===E)continue;else 0<E?i=u[v][E-1>>1]:0>E&&(i=u[v][-E-1>>1].neg());x="affine"===i.type?x.mixedAdd(i):x.add(i)}}for(var g=0;g<o;g++)u[g]=null;return n?x:x.toP()},r.BasePoint=a,a.prototype.eq=function(){throw new Error("Not implemented")},a.prototype.validate=function(){return this.curve.validate(this)},r.prototype.decodePoint=function(e,t){e=i.toArray(e,t);var r=this.p.byteLength();if((4===e[0]||6===e[0]||7===e[0])&&e.length-1==2*r){6===e[0]?c(0==e[e.length-1]%2):7===e[0]&&c(1==e[e.length-1]%2);var a=this.point(e.slice(1,1+r),e.slice(1+r,1+2*r));return a}if((2===e[0]||3===e[0])&&e.length-1===r)return this.pointFromX(e.slice(1,1+r),3===e[0]);throw new Error("Unknown point format")},a.prototype.encodeCompressed=function(e){return this.encode(e,!0)},a.prototype._encode=function(e){var t=this.curve.p.byteLength(),r=this.getX().toArray("be",t);return e?[this.getY().isEven()?2:3].concat(r):[4].concat(r,this.getY().toArray("be",t))},a.prototype.encode=function(e,t){return i.encode(this._encode(t),e)},a.prototype.precompute=function(e){if(this.precomputed)return this;var t={doubles:null,naf:null,beta:null};return t.naf=this._getNAFPoints(8),t.doubles=this._getDoubles(4,e),t.beta=this._getBeta(),this.precomputed=t,this},a.prototype._hasDoubles=function(e){if(!this.precomputed)return!1;var t=this.precomputed.doubles;return!!t&&t.points.length>=p((e.bitLength()+1)/t.step)},a.prototype._getDoubles=function(e,t){if(this.precomputed&&this.precomputed.doubles)return this.precomputed.doubles;for(var r=[this],a=this,o=0;o<t;o+=e){for(var n=0;n<e;n++)a=a.dbl();r.push(a)}return{step:e,points:r}},a.prototype._getNAFPoints=function(e){if(this.precomputed&&this.precomputed.naf)return this.precomputed.naf;for(var t=[this],r=(1<<e)-1,a=1==r?null:this.dbl(),o=1;o<r;o++)t[o]=t[o-1].add(a);return{wnd:e,points:t}},a.prototype._getBeta=function(){return null},a.prototype.dblp=function(e){for(var t=this,r=0;r<e;r++)t=t.dbl();return t}},{"../../elliptic":107,"bn.js":106}],109:[function(e,t){"use strict";function r(e){this.twisted=1!=(0|e.a),this.mOneA=this.twisted&&-1==(0|e.a),this.extended=this.mOneA,s.call(this,"edwards",e),this.a=new i(e.a,16).umod(this.red.m),this.a=this.a.toRed(this.red),this.c=new i(e.c,16).toRed(this.red),this.c2=this.c.redSqr(),this.d=new i(e.d,16).toRed(this.red),this.dd=this.d.redAdd(this.d),c(!this.twisted||0===this.c.fromRed().cmpn(1)),this.oneC=1==(0|e.c)}function a(e,r,a,o,n){s.BasePoint.call(this,e,"projective"),null===r&&null===a&&null===o?(this.x=this.curve.zero,this.y=this.curve.one,this.z=this.curve.one,this.t=this.curve.zero,this.zOne=!0):(this.x=new i(r,16),this.y=new i(a,16),this.z=o?new i(o,16):this.curve.one,this.t=n&&new i(n,16),!this.x.red&&(this.x=this.x.toRed(this.curve.red)),!this.y.red&&(this.y=this.y.toRed(this.curve.red)),!this.z.red&&(this.z=this.z.toRed(this.curve.red)),this.t&&!this.t.red&&(this.t=this.t.toRed(this.curve.red)),this.zOne=this.z===this.curve.one,this.curve.extended&&!this.t&&(this.t=this.x.redMul(this.y),!this.zOne&&(this.t=this.t.redMul(this.z.redInvm()))))}var o=e("../curve"),n=e("../../elliptic"),i=e("bn.js"),d=e("inherits"),s=o.base,c=n.utils.assert;d(r,s),t.exports=r,r.prototype._mulA=function(e){return this.mOneA?e.redNeg():this.a.redMul(e)},r.prototype._mulC=function(e){return this.oneC?e:this.c.redMul(e)},r.prototype.jpoint=function(e,r,a,o){return this.point(e,r,a,o)},r.prototype.pointFromX=function(e,t){e=new i(e,16),e.red||(e=e.toRed(this.red));var r=e.redSqr(),a=this.c2.redSub(this.a.redMul(r)),o=this.one.redSub(this.c2.redMul(this.d).redMul(r)),n=a.redMul(o.redInvm()),d=n.redSqrt();if(0!==d.redSqr().redSub(n).cmp(this.zero))throw new Error("invalid point");var s=d.fromRed().isOdd();return(t&&!s||!t&&s)&&(d=d.redNeg()),this.point(e,d)},r.prototype.pointFromY=function(e,t){e=new i(e,16),e.red||(e=e.toRed(this.red));var r=e.redSqr(),a=r.redSub(this.one),o=r.redMul(this.d).redAdd(this.one),n=a.redMul(o.redInvm());if(0===n.cmp(this.zero))if(t)throw new Error("invalid point");else return this.point(this.zero,e);var d=n.redSqrt();if(0!==d.redSqr().redSub(n).cmp(this.zero))throw new Error("invalid point");return d.isOdd()!==t&&(d=d.redNeg()),this.point(d,e)},r.prototype.validate=function(e){if(e.isInfinity())return!0;e.normalize();var t=e.x.redSqr(),r=e.y.redSqr(),a=t.redMul(this.a).redAdd(r),o=this.c2.redMul(this.one.redAdd(this.d.redMul(t).redMul(r)));return 0===a.cmp(o)},d(a,s.BasePoint),r.prototype.pointFromJSON=function(e){return a.fromJSON(this,e)},r.prototype.point=function(e,r,o,n){return new a(this,e,r,o,n)},a.fromJSON=function(e,t){return new a(e,t[0],t[1],t[2])},a.prototype.inspect=function(){return this.isInfinity()?"<EC Point Infinity>":"<EC Point x: "+this.x.fromRed().toString(16,2)+" y: "+this.y.fromRed().toString(16,2)+" z: "+this.z.fromRed().toString(16,2)+">"},a.prototype.isInfinity=function(){return 0===this.x.cmpn(0)&&0===this.y.cmp(this.z)},a.prototype._extDbl=function(){var t=this.x.redSqr(),r=this.y.redSqr(),a=this.z.redSqr();a=a.redIAdd(a);var o=this.curve._mulA(t),n=this.x.redAdd(this.y).redSqr().redISub(t).redISub(r),e=o.redAdd(r),i=e.redSub(a),d=o.redSub(r),s=n.redMul(i),c=e.redMul(d),f=n.redMul(d),p=i.redMul(e);return this.curve.point(s,c,p,f)},a.prototype._projDbl=function(){var t=this.x.redAdd(this.y).redSqr(),r=this.x.redSqr(),a=this.y.redSqr(),o,n,i;if(this.curve.twisted){var d=this.curve._mulA(r),e=d.redAdd(a);if(this.zOne)o=t.redSub(r).redSub(a).redMul(e.redSub(this.curve.two)),n=e.redMul(d.redSub(a)),i=e.redSqr().redSub(e).redSub(e);else{var s=this.z.redSqr(),c=e.redSub(s).redISub(s);o=t.redSub(r).redISub(a).redMul(c),n=e.redMul(d.redSub(a)),i=e.redMul(c)}}else{var d=r.redAdd(a),s=this.curve._mulC(this.c.redMul(this.z)).redSqr(),c=d.redSub(s).redSub(s);o=this.curve._mulC(t.redISub(d)).redMul(c),n=this.curve._mulC(d).redMul(r.redISub(a)),i=d.redMul(c)}return this.curve.point(o,n,i)},a.prototype.dbl=function(){return this.isInfinity()?this:this.curve.extended?this._extDbl():this._projDbl()},a.prototype._extAdd=function(t){var r=this.y.redSub(this.x).redMul(t.y.redSub(t.x)),a=this.y.redAdd(this.x).redMul(t.y.redAdd(t.x)),o=this.t.redMul(this.curve.dd).redMul(t.t),n=this.z.redMul(t.z.redAdd(t.z)),i=a.redSub(r),e=n.redSub(o),d=n.redAdd(o),s=a.redAdd(r),c=i.redMul(e),f=d.redMul(s),p=i.redMul(s),u=e.redMul(d);return this.curve.point(c,f,u,p)},a.prototype._projAdd=function(t){var r=this.z.redMul(t.z),a=r.redSqr(),o=this.x.redMul(t.x),n=this.y.redMul(t.y),i=this.curve.d.redMul(o).redMul(n),e=a.redSub(i),d=a.redAdd(i),s=this.x.redAdd(this.y).redMul(t.x.redAdd(t.y)).redISub(o).redISub(n),c=r.redMul(e).redMul(s),f,p;return this.curve.twisted?(f=r.redMul(d).redMul(n.redSub(this.curve._mulA(o))),p=e.redMul(d)):(f=r.redMul(d).redMul(n.redSub(o)),p=this.curve._mulC(e).redMul(d)),this.curve.point(c,f,p)},a.prototype.add=function(e){return this.isInfinity()?e:e.isInfinity()?this:this.curve.extended?this._extAdd(e):this._projAdd(e)},a.prototype.mul=function(e){return this._hasDoubles(e)?this.curve._fixedNafMul(this,e):this.curve._wnafMul(this,e)},a.prototype.mulAdd=function(e,t,r){return this.curve._wnafMulAdd(1,[this,t],[e,r],2,!1)},a.prototype.jmulAdd=function(e,t,r){return this.curve._wnafMulAdd(1,[this,t],[e,r],2,!0)},a.prototype.normalize=function(){if(this.zOne)return this;var e=this.z.redInvm();return this.x=this.x.redMul(e),this.y=this.y.redMul(e),this.t&&(this.t=this.t.redMul(e)),this.z=this.curve.one,this.zOne=!0,this},a.prototype.neg=function(){return this.curve.point(this.x.redNeg(),this.y,this.z,this.t&&this.t.redNeg())},a.prototype.getX=function(){return this.normalize(),this.x.fromRed()},a.prototype.getY=function(){return this.normalize(),this.y.fromRed()},a.prototype.eq=function(e){return this===e||0===this.getX().cmp(e.getX())&&0===this.getY().cmp(e.getY())},a.prototype.eqXToP=function(e){var r=e.toRed(this.curve.red).redMul(this.z);if(0===this.x.cmp(r))return!0;for(var a=e.clone(),o=this.curve.redN.redMul(this.z);;){if(a.iadd(this.curve.n),0<=a.cmp(this.curve.p))return!1;if(r.redIAdd(o),0===this.x.cmp(r))return!0}return!1},a.prototype.toP=a.prototype.normalize,a.prototype.mixedAdd=a.prototype.add},{"../../elliptic":107,"../curve":110,"bn.js":106,inherits:201}],110:[function(e,t,r){"use strict";var a=r;a.base=e("./base"),a.short=e("./short"),a.mont=e("./mont"),a.edwards=e("./edwards")},{"./base":108,"./edwards":109,"./mont":111,"./short":112}],111:[function(e,t){"use strict";function r(e){d.call(this,"mont",e),this.a=new n(e.a,16).toRed(this.red),this.b=new n(e.b,16).toRed(this.red),this.i4=new n(4).toRed(this.red).redInvm(),this.two=new n(2).toRed(this.red),this.a24=this.i4.redMul(this.a.redAdd(this.two))}function a(e,t,r){d.BasePoint.call(this,e,"projective"),null===t&&null===r?(this.x=this.curve.one,this.z=this.curve.zero):(this.x=new n(t,16),this.z=new n(r,16),!this.x.red&&(this.x=this.x.toRed(this.curve.red)),!this.z.red&&(this.z=this.z.toRed(this.curve.red)))}var o=e("../curve"),n=e("bn.js"),i=e("inherits"),d=o.base,s=e("../../elliptic"),c=s.utils;i(r,d),t.exports=r,r.prototype.validate=function(e){var t=e.normalize().x,r=t.redSqr(),a=r.redMul(t).redAdd(r.redMul(this.a)).redAdd(t),o=a.redSqrt();return 0===o.redSqr().cmp(a)},i(a,d.BasePoint),r.prototype.decodePoint=function(e,t){return this.point(c.toArray(e,t),1)},r.prototype.point=function(e,t){return new a(this,e,t)},r.prototype.pointFromJSON=function(e){return a.fromJSON(this,e)},a.prototype.precompute=function(){},a.prototype._encode=function(){return this.getX().toArray("be",this.curve.p.byteLength())},a.fromJSON=function(e,t){return new a(e,t[0],t[1]||e.one)},a.prototype.inspect=function(){return this.isInfinity()?"<EC Point Infinity>":"<EC Point x: "+this.x.fromRed().toString(16,2)+" z: "+this.z.fromRed().toString(16,2)+">"},a.prototype.isInfinity=function(){return 0===this.z.cmpn(0)},a.prototype.dbl=function(){var e=this.x.redAdd(this.z),t=e.redSqr(),r=this.x.redSub(this.z),a=r.redSqr(),o=t.redSub(a),n=t.redMul(a),i=o.redMul(a.redAdd(this.curve.a24.redMul(o)));return this.curve.point(n,i)},a.prototype.add=function(){throw new Error("Not supported on Montgomery curve")},a.prototype.diffAdd=function(e,t){var r=this.x.redAdd(this.z),a=this.x.redSub(this.z),o=e.x.redAdd(e.z),n=e.x.redSub(e.z),i=n.redMul(r),d=o.redMul(a),s=t.z.redMul(i.redAdd(d).redSqr()),c=t.x.redMul(i.redISub(d).redSqr());return this.curve.point(s,c)},a.prototype.mul=function(e){for(var r=e.clone(),t=this,a=this.curve.point(null,null),o=this,n=[];0!==r.cmpn(0);r.iushrn(1))n.push(r.andln(1));for(var d=n.length-1;0<=d;d--)0===n[d]?(t=t.diffAdd(a,o),a=a.dbl()):(a=t.diffAdd(a,o),t=t.dbl());return a},a.prototype.mulAdd=function(){throw new Error("Not supported on Montgomery curve")},a.prototype.jumlAdd=function(){throw new Error("Not supported on Montgomery curve")},a.prototype.eq=function(e){return 0===this.getX().cmp(e.getX())},a.prototype.normalize=function(){return this.x=this.x.redMul(this.z.redInvm()),this.z=this.curve.one,this},a.prototype.getX=function(){return this.normalize(),this.x.fromRed()}},{"../../elliptic":107,"../curve":110,"bn.js":106,inherits:201}],112:[function(e,t){"use strict";function r(e){c.call(this,"short",e),this.a=new d(e.a,16).toRed(this.red),this.b=new d(e.b,16).toRed(this.red),this.tinv=this.two.redInvm(),this.zeroA=0===this.a.fromRed().cmpn(0),this.threeA=0===this.a.fromRed().sub(this.p).cmpn(-3),this.endo=this._getEndomorphism(e),this._endoWnafT1=[,,,,],this._endoWnafT2=[,,,,]}function a(e,t,r,a){c.BasePoint.call(this,e,"affine"),null===t&&null===r?(this.x=null,this.y=null,this.inf=!0):(this.x=new d(t,16),this.y=new d(r,16),a&&(this.x.forceRed(this.curve.red),this.y.forceRed(this.curve.red)),!this.x.red&&(this.x=this.x.toRed(this.curve.red)),!this.y.red&&(this.y=this.y.toRed(this.curve.red)),this.inf=!1)}function o(e,t,r,a){c.BasePoint.call(this,e,"jacobian"),null===t&&null===r&&null===a?(this.x=this.curve.one,this.y=this.curve.one,this.z=new d(0)):(this.x=new d(t,16),this.y=new d(r,16),this.z=new d(a,16)),this.x.red||(this.x=this.x.toRed(this.curve.red)),this.y.red||(this.y=this.y.toRed(this.curve.red)),this.z.red||(this.z=this.z.toRed(this.curve.red)),this.zOne=this.z===this.curve.one}var n=e("../curve"),i=e("../../elliptic"),d=e("bn.js"),s=e("inherits"),c=n.base,f=i.utils.assert;s(r,c),t.exports=r,r.prototype._getEndomorphism=function(e){if(this.zeroA&&this.g&&this.n&&1===this.p.modn(3)){var t,r;if(e.beta)t=new d(e.beta,16).toRed(this.red);else{var a=this._getEndoRoots(this.p);t=0>a[0].cmp(a[1])?a[0]:a[1],t=t.toRed(this.red)}if(e.lambda)r=new d(e.lambda,16);else{var o=this._getEndoRoots(this.n);0===this.g.mul(o[0]).x.cmp(this.g.x.redMul(t))?r=o[0]:(r=o[1],f(0===this.g.mul(r).x.cmp(this.g.x.redMul(t))))}var n;return n=e.basis?e.basis.map(function(e){return{a:new d(e.a,16),b:new d(e.b,16)}}):this._getEndoBasis(r),{beta:t,lambda:r,basis:n}}},r.prototype._getEndoRoots=function(e){var t=e===this.p?this.red:d.mont(e),r=new d(2).toRed(t).redInvm(),a=r.redNeg(),o=new d(3).toRed(t).redNeg().redSqrt().redMul(r),n=a.redAdd(o).fromRed(),i=a.redSub(o).fromRed();return[n,i]},r.prototype._getEndoBasis=function(e){for(var t=this.n.ushrn(h(this.n.bitLength()/2)),a=e,o=this.n.clone(),n=new d(1),s=new d(0),c=new d(0),f=new d(1),p=0,i,u,l,b,g,m,_,v,r,S;0!==a.cmpn(0);){S=o.div(a),v=o.sub(S.mul(a)),r=c.sub(S.mul(n));var k=f.sub(S.mul(s));if(!l&&0>v.cmp(t))i=_.neg(),u=n,l=v.neg(),b=r;else if(l&&2==++p)break;_=v,o=a,a=v,c=n,n=r,f=s,s=k}g=v.neg(),m=r;var y=l.sqr().add(b.sqr()),I=g.sqr().add(m.sqr());return 0<=I.cmp(y)&&(g=i,m=u),l.negative&&(l=l.neg(),b=b.neg()),g.negative&&(g=g.neg(),m=m.neg()),[{a:l,b:b},{a:g,b:m}]},r.prototype._endoSplit=function(e){var t=this.endo.basis,r=t[0],a=t[1],o=a.b.mul(e).divRound(this.n),n=r.b.neg().mul(e).divRound(this.n),i=o.mul(r.a),d=n.mul(a.a),s=o.mul(r.b),c=n.mul(a.b),f=e.sub(i).sub(d),p=s.add(c).neg();return{k1:f,k2:p}},r.prototype.pointFromX=function(e,t){e=new d(e,16),e.red||(e=e.toRed(this.red));var r=e.redSqr().redMul(e).redIAdd(e.redMul(this.a)).redIAdd(this.b),a=r.redSqrt();if(0!==a.redSqr().redSub(r).cmp(this.zero))throw new Error("invalid point");var o=a.fromRed().isOdd();return(t&&!o||!t&&o)&&(a=a.redNeg()),this.point(e,a)},r.prototype.validate=function(e){if(e.inf)return!0;var t=e.x,r=e.y,a=this.a.redMul(t),o=t.redSqr().redMul(t).redIAdd(a).redIAdd(this.b);return 0===r.redSqr().redISub(o).cmpn(0)},r.prototype._endoWnafMulAdd=function(e,t,r){for(var a=this._endoWnafT1,o=this._endoWnafT2,n=0;n<e.length;n++){var i=this._endoSplit(t[n]),d=e[n],s=d._getBeta();i.k1.negative&&(i.k1.ineg(),d=d.neg(!0)),i.k2.negative&&(i.k2.ineg(),s=s.neg(!0)),a[2*n]=d,a[2*n+1]=s,o[2*n]=i.k1,o[2*n+1]=i.k2}for(var c=this._wnafMulAdd(1,a,o,2*n,r),f=0;f<2*n;f++)a[f]=null,o[f]=null;return c},s(a,c.BasePoint),r.prototype.point=function(e,t,r){return new a(this,e,t,r)},r.prototype.pointFromJSON=function(e,t){return a.fromJSON(this,e,t)},a.prototype._getBeta=function(){if(this.curve.endo){var e=this.precomputed;if(e&&e.beta)return e.beta;var t=this.curve.point(this.x.redMul(this.curve.endo.beta),this.y);if(e){var r=this.curve,a=function(e){return r.point(e.x.redMul(r.endo.beta),e.y)};e.beta=t,t.precomputed={beta:null,naf:e.naf&&{wnd:e.naf.wnd,points:e.naf.points.map(a)},doubles:e.doubles&&{step:e.doubles.step,points:e.doubles.points.map(a)}}}return t}},a.prototype.toJSON=function(){return this.precomputed?[this.x,this.y,this.precomputed&&{doubles:this.precomputed.doubles&&{step:this.precomputed.doubles.step,points:this.precomputed.doubles.points.slice(1)},naf:this.precomputed.naf&&{wnd:this.precomputed.naf.wnd,points:this.precomputed.naf.points.slice(1)}}]:[this.x,this.y]},a.fromJSON=function(e,t,r){function a(t){return e.point(t[0],t[1],r)}"string"==typeof t&&(t=JSON.parse(t));var o=e.point(t[0],t[1],r);if(!t[2])return o;var n=t[2];return o.precomputed={beta:null,doubles:n.doubles&&{step:n.doubles.step,points:[o].concat(n.doubles.points.map(a))},naf:n.naf&&{wnd:n.naf.wnd,points:[o].concat(n.naf.points.map(a))}},o},a.prototype.inspect=function(){return this.isInfinity()?"<EC Point Infinity>":"<EC Point x: "+this.x.fromRed().toString(16,2)+" y: "+this.y.fromRed().toString(16,2)+">"},a.prototype.isInfinity=function(){return this.inf},a.prototype.add=function(e){if(this.inf)return e;if(e.inf)return this;if(this.eq(e))return this.dbl();if(this.neg().eq(e))return this.curve.point(null,null);if(0===this.x.cmp(e.x))return this.curve.point(null,null);var t=this.y.redSub(e.y);0!==t.cmpn(0)&&(t=t.redMul(this.x.redSub(e.x).redInvm()));var r=t.redSqr().redISub(this.x).redISub(e.x),a=t.redMul(this.x.redSub(r)).redISub(this.y);return this.curve.point(r,a)},a.prototype.dbl=function(){if(this.inf)return this;var e=this.y.redAdd(this.y);if(0===e.cmpn(0))return this.curve.point(null,null);var t=this.curve.a,r=this.x.redSqr(),a=e.redInvm(),o=r.redAdd(r).redIAdd(r).redIAdd(t).redMul(a),n=o.redSqr().redISub(this.x.redAdd(this.x)),i=o.redMul(this.x.redSub(n)).redISub(this.y);return this.curve.point(n,i)},a.prototype.getX=function(){return this.x.fromRed()},a.prototype.getY=function(){return this.y.fromRed()},a.prototype.mul=function(e){return e=new d(e,16),this._hasDoubles(e)?this.curve._fixedNafMul(this,e):this.curve.endo?this.curve._endoWnafMulAdd([this],[e]):this.curve._wnafMul(this,e)},a.prototype.mulAdd=function(e,t,r){var a=[this,t],o=[e,r];return this.curve.endo?this.curve._endoWnafMulAdd(a,o):this.curve._wnafMulAdd(1,a,o,2)},a.prototype.jmulAdd=function(e,t,r){var a=[this,t],o=[e,r];return this.curve.endo?this.curve._endoWnafMulAdd(a,o,!0):this.curve._wnafMulAdd(1,a,o,2,!0)},a.prototype.eq=function(e){return this===e||this.inf===e.inf&&(this.inf||0===this.x.cmp(e.x)&&0===this.y.cmp(e.y))},a.prototype.neg=function(e){if(this.inf)return this;var t=this.curve.point(this.x,this.y.redNeg());if(e&&this.precomputed){var r=this.precomputed,a=function(e){return e.neg()};t.precomputed={naf:r.naf&&{wnd:r.naf.wnd,points:r.naf.points.map(a)},doubles:r.doubles&&{step:r.doubles.step,points:r.doubles.points.map(a)}}}return t},a.prototype.toJ=function(){if(this.inf)return this.curve.jpoint(null,null,null);var e=this.curve.jpoint(this.x,this.y,this.curve.one);return e},s(o,c.BasePoint),r.prototype.jpoint=function(e,t,r){return new o(this,e,t,r)},o.prototype.toP=function(){if(this.isInfinity())return this.curve.point(null,null);var e=this.z.redInvm(),t=e.redSqr(),r=this.x.redMul(t),a=this.y.redMul(t).redMul(e);return this.curve.point(r,a)},o.prototype.neg=function(){return this.curve.jpoint(this.x,this.y.redNeg(),this.z)},o.prototype.add=function(e){if(this.isInfinity())return e;if(e.isInfinity())return this;var t=e.z.redSqr(),a=this.z.redSqr(),o=this.x.redMul(t),n=e.x.redMul(a),i=this.y.redMul(t.redMul(e.z)),d=e.y.redMul(a.redMul(this.z)),s=o.redSub(n),c=i.redSub(d);if(0===s.cmpn(0))return 0===c.cmpn(0)?this.dbl():this.curve.jpoint(null,null,null);var r=s.redSqr(),f=r.redMul(s),p=o.redMul(r),u=c.redSqr().redIAdd(f).redISub(p).redISub(p),l=c.redMul(p.redISub(u)).redISub(i.redMul(f)),b=this.z.redMul(e.z).redMul(s);return this.curve.jpoint(u,l,b)},o.prototype.mixedAdd=function(e){if(this.isInfinity())return e.toJ();if(e.isInfinity())return this;var t=this.z.redSqr(),a=this.x,o=e.x.redMul(t),n=this.y,i=e.y.redMul(t).redMul(this.z),d=a.redSub(o),s=n.redSub(i);if(0===d.cmpn(0))return 0===s.cmpn(0)?this.dbl():this.curve.jpoint(null,null,null);var r=d.redSqr(),c=r.redMul(d),f=a.redMul(r),p=s.redSqr().redIAdd(c).redISub(f).redISub(f),u=s.redMul(f.redISub(p)).redISub(n.redMul(c)),l=this.z.redMul(d);return this.curve.jpoint(p,u,l)},o.prototype.dblp=function(e){if(0===e)return this;if(this.isInfinity())return this;if(!e)return this.dbl();if(this.curve.zeroA||this.curve.threeA){for(var t=this,r=0;r<e;r++)t=t.dbl();return t}for(var o=this.curve.a,a=this.curve.tinv,n=this.x,i=this.y,d=this.z,s=d.redSqr().redSqr(),f=i.redAdd(i),r=0;r<e;r++){var p=n.redSqr(),u=f.redSqr(),l=u.redSqr(),b=p.redAdd(p).redIAdd(p).redIAdd(o.redMul(s)),c=n.redMul(u),h=b.redSqr().redISub(c.redAdd(c)),g=c.redISub(h),m=b.redMul(g);m=m.redIAdd(m).redISub(l);var y=f.redMul(d);r+1<e&&(s=s.redMul(l)),n=h,d=y,f=m}return this.curve.jpoint(n,f.redMul(a),d)},o.prototype.dbl=function(){return this.isInfinity()?this:this.curve.zeroA?this._zeroDbl():this.curve.threeA?this._threeDbl():this._dbl()},o.prototype._zeroDbl=function(){var r,o,n;if(this.zOne){var i=this.x.redSqr(),p=this.y.redSqr(),u=p.redSqr(),l=this.x.redAdd(p).redSqr().redISub(i).redISub(u);l=l.redIAdd(l);var s=i.redAdd(i).redIAdd(i),h=s.redSqr().redISub(l).redISub(l),t=u.redIAdd(u);t=t.redIAdd(t),t=t.redIAdd(t),r=h,o=s.redMul(l.redISub(h)).redISub(t),n=this.y.redAdd(this.y)}else{var g=this.x.redSqr(),a=this.y.redSqr(),b=a.redSqr(),c=this.x.redAdd(a).redSqr().redISub(g).redISub(b);c=c.redIAdd(c);var d=g.redAdd(g).redIAdd(g),e=d.redSqr(),f=b.redIAdd(b);f=f.redIAdd(f),f=f.redIAdd(f),r=e.redISub(c).redISub(c),o=d.redMul(c.redISub(r)).redISub(f),n=this.y.redMul(this.z),n=n.redIAdd(n)}return this.curve.jpoint(r,o,n)},o.prototype._threeDbl=function(){var e,r,a;if(this.zOne){var o=this.x.redSqr(),n=this.y.redSqr(),i=n.redSqr(),d=this.x.redAdd(n).redSqr().redISub(o).redISub(i);d=d.redIAdd(d);var s=o.redAdd(o).redIAdd(o).redIAdd(this.curve.a),c=s.redSqr().redISub(d).redISub(d);e=c;var t=i.redIAdd(i);t=t.redIAdd(t),t=t.redIAdd(t),r=s.redMul(d.redISub(c)).redISub(t),a=this.y.redAdd(this.y)}else{var f=this.z.redSqr(),p=this.y.redSqr(),u=this.x.redMul(p),l=this.x.redSub(f).redMul(this.x.redAdd(f));l=l.redAdd(l).redIAdd(l);var b=u.redIAdd(u);b=b.redIAdd(b);var h=b.redAdd(b);e=l.redSqr().redISub(h),a=this.y.redAdd(this.z).redSqr().redISub(p).redISub(f);var g=p.redSqr();g=g.redIAdd(g),g=g.redIAdd(g),g=g.redIAdd(g),r=l.redMul(b.redISub(e)).redISub(g)}return this.curve.jpoint(e,r,a)},o.prototype._dbl=function(){var e=this.curve.a,t=this.x,r=this.y,a=this.z,o=a.redSqr().redSqr(),n=t.redSqr(),i=r.redSqr(),d=n.redAdd(n).redIAdd(n).redIAdd(e.redMul(o)),s=t.redAdd(t);s=s.redIAdd(s);var c=s.redMul(i),f=d.redSqr().redISub(c.redAdd(c)),p=c.redISub(f),u=i.redSqr();u=u.redIAdd(u),u=u.redIAdd(u),u=u.redIAdd(u);var l=d.redMul(p).redISub(u),b=r.redAdd(r).redMul(a);return this.curve.jpoint(f,l,b)},o.prototype.trpl=function(){if(!this.curve.zeroA)return this.dbl().add(this);var r=this.x.redSqr(),a=this.y.redSqr(),o=this.z.redSqr(),n=a.redSqr(),i=r.redAdd(r).redIAdd(r),d=i.redSqr(),s=this.x.redAdd(a).redSqr().redISub(r).redISub(n);s=s.redIAdd(s),s=s.redAdd(s).redIAdd(s),s=s.redISub(d);var e=s.redSqr(),c=n.redIAdd(n);c=c.redIAdd(c),c=c.redIAdd(c),c=c.redIAdd(c);var t=i.redIAdd(s).redSqr().redISub(d).redISub(e).redISub(c),f=a.redMul(t);f=f.redIAdd(f),f=f.redIAdd(f);var p=this.x.redMul(e).redISub(f);p=p.redIAdd(p),p=p.redIAdd(p);var u=this.y.redMul(t.redMul(c.redISub(t)).redISub(s.redMul(e)));u=u.redIAdd(u),u=u.redIAdd(u),u=u.redIAdd(u);var l=this.z.redAdd(s).redSqr().redISub(o).redISub(e);return this.curve.jpoint(p,u,l)},o.prototype.mul=function(e,t){return e=new d(e,t),this.curve._wnafMul(this,e)},o.prototype.eq=function(e){if("affine"===e.type)return this.eq(e.toJ());if(this===e)return!0;var t=this.z.redSqr(),r=e.z.redSqr();if(0!==this.x.redMul(r).redISub(e.x.redMul(t)).cmpn(0))return!1;var a=t.redMul(this.z),o=r.redMul(e.z);return 0===this.y.redMul(o).redISub(e.y.redMul(a)).cmpn(0)},o.prototype.eqXToP=function(e){var r=this.z.redSqr(),a=e.toRed(this.curve.red).redMul(r);if(0===this.x.cmp(a))return!0;for(var o=e.clone(),n=this.curve.redN.redMul(r);;){if(o.iadd(this.curve.n),0<=o.cmp(this.curve.p))return!1;if(a.redIAdd(n),0===this.x.cmp(a))return!0}return!1},o.prototype.inspect=function(){return this.isInfinity()?"<EC JPoint Infinity>":"<EC JPoint x: "+this.x.toString(16,2)+" y: "+this.y.toString(16,2)+" z: "+this.z.toString(16,2)+">"},o.prototype.isInfinity=function(){return 0===this.z.cmpn(0)}},{"../../elliptic":107,"../curve":110,"bn.js":106,inherits:201}],113:[function(e,t,r){"use strict";function a(e){this.curve="short"===e.type?new d.curve.short(e):"edwards"===e.type?new d.curve.edwards(e):new d.curve.mont(e),this.g=this.curve.g,this.n=this.curve.n,this.hash=e.hash,s(this.g.validate(),"Invalid curve"),s(this.g.mul(this.n).isInfinity(),"Invalid curve, G*N != O")}function o(e,t){Object.defineProperty(n,e,{configurable:!0,enumerable:!0,get:function(){var r=new a(t);return Object.defineProperty(n,e,{configurable:!0,enumerable:!0,value:r}),r}})}var n=r,i=e("hash.js"),d=e("../elliptic"),s=d.utils.assert;n.PresetCurve=a,o("p192",{type:"short",prime:"p192",p:"ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff",a:"ffffffff ffffffff ffffffff fffffffe ffffffff fffffffc",b:"64210519 e59c80e7 0fa7e9ab 72243049 feb8deec c146b9b1",n:"ffffffff ffffffff ffffffff 99def836 146bc9b1 b4d22831",hash:i.sha256,gRed:!1,g:["188da80e b03090f6 7cbf20eb 43a18800 f4ff0afd 82ff1012","07192b95 ffc8da78 631011ed 6b24cdd5 73f977a1 1e794811"]}),o("p224",{type:"short",prime:"p224",p:"ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001",a:"ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff fffffffe",b:"b4050a85 0c04b3ab f5413256 5044b0b7 d7bfd8ba 270b3943 2355ffb4",n:"ffffffff ffffffff ffffffff ffff16a2 e0b8f03e 13dd2945 5c5c2a3d",hash:i.sha256,gRed:!1,g:["b70e0cbd 6bb4bf7f 321390b9 4a03c1d3 56c21122 343280d6 115c1d21","bd376388 b5f723fb 4c22dfe6 cd4375a0 5a074764 44d58199 85007e34"]}),o("p256",{type:"short",prime:null,p:"ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff ffffffff",a:"ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff fffffffc",b:"5ac635d8 aa3a93e7 b3ebbd55 769886bc 651d06b0 cc53b0f6 3bce3c3e 27d2604b",n:"ffffffff 00000000 ffffffff ffffffff bce6faad a7179e84 f3b9cac2 fc632551",hash:i.sha256,gRed:!1,g:["6b17d1f2 e12c4247 f8bce6e5 63a440f2 77037d81 2deb33a0 f4a13945 d898c296","4fe342e2 fe1a7f9b 8ee7eb4a 7c0f9e16 2bce3357 6b315ece cbb64068 37bf51f5"]}),o("p384",{type:"short",prime:null,p:"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe ffffffff 00000000 00000000 ffffffff",a:"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe ffffffff 00000000 00000000 fffffffc",b:"b3312fa7 e23ee7e4 988e056b e3f82d19 181d9c6e fe814112 0314088f 5013875a c656398d 8a2ed19d 2a85c8ed d3ec2aef",n:"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff c7634d81 f4372ddf 581a0db2 48b0a77a ecec196a ccc52973",hash:i.sha384,gRed:!1,g:["aa87ca22 be8b0537 8eb1c71e f320ad74 6e1d3b62 8ba79b98 59f741e0 82542a38 5502f25d bf55296c 3a545e38 72760ab7","3617de4a 96262c6f 5d9e98bf 9292dc29 f8f41dbd 289a147c e9da3113 b5f0b8c0 0a60b1ce 1d7e819d 7a431d7c 90ea0e5f"]}),o("p521",{type:"short",prime:null,p:"000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff",a:"000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffc",b:"00000051 953eb961 8e1c9a1f 929a21a0 b68540ee a2da725b 99b315f3 b8b48991 8ef109e1 56193951 ec7e937b 1652c0bd 3bb1bf07 3573df88 3d2c34f1 ef451fd4 6b503f00",n:"000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffa 51868783 bf2f966b 7fcc0148 f709a5d0 3bb5c9b8 899c47ae bb6fb71e 91386409",hash:i.sha512,gRed:!1,g:["000000c6 858e06b7 0404e9cd 9e3ecb66 2395b442 9c648139 053fb521 f828af60 6b4d3dba a14b5e77 efe75928 fe1dc127 a2ffa8de 3348b3c1 856a429b f97e7e31 c2e5bd66","00000118 39296a78 9a3bc004 5c8a5fb4 2c7d1bd9 98f54449 579b4468 17afbd17 273e662c 97ee7299 5ef42640 c550b901 3fad0761 353c7086 a272c240 88be9476 9fd16650"]}),o("curve25519",{type:"mont",prime:"p25519",p:"7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed",a:"76d06",b:"1",n:"1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed",hash:i.sha256,gRed:!1,g:["9"]}),o("ed25519",{type:"edwards",prime:"p25519",p:"7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed",a:"-1",c:"1",d:"52036cee2b6ffe73 8cc740797779e898 00700a4d4141d8ab 75eb4dca135978a3",n:"1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed",hash:i.sha256,gRed:!1,g:["216936d3cd6e53fec0a4e231fdd6dc5c692cc7609525a7b2c9562d608f25d51a","6666666666666666666666666666666666666666666666666666666666666658"]});var c;try{c=e("./precomputed/secp256k1")}catch(t){c=void 0}o("secp256k1",{type:"short",prime:"k256",p:"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f",a:"0",b:"7",n:"ffffffff ffffffff ffffffff fffffffe baaedce6 af48a03b bfd25e8c d0364141",h:"1",hash:i.sha256,beta:"7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee",lambda:"5363ad4cc05c30e0a5261c028812645a122e22ea20816678df02967c1b23bd72",basis:[{a:"3086d221a7d46bcde86c90e49284eb15",b:"-e4437ed6010e88286f547fa90abfe4c3"},{a:"114ca50f7a8e2f3f657c1108d9d44cfd8",b:"3086d221a7d46bcde86c90e49284eb15"}],gRed:!1,g:["79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798","483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8",c]})},{"../elliptic":107,"./precomputed/secp256k1":120,"hash.js":185}],114:[function(e,t){"use strict";function r(e){return this instanceof r?void("string"==typeof e&&(d(n.curves.hasOwnProperty(e),"Unknown curve "+e),e=n.curves[e]),e instanceof n.curves.PresetCurve&&(e={curve:e}),this.curve=e.curve.curve,this.n=this.curve.n,this.nh=this.n.ushrn(1),this.g=this.curve.g,this.g=e.curve.g,this.g.precompute(e.curve.n.bitLength()+1),this.hash=e.hash||e.curve.hash):new r(e)}var a=e("bn.js"),o=e("hmac-drbg"),n=e("../../elliptic"),i=n.utils,d=i.assert,s=e("./key"),c=e("./signature");t.exports=r,r.prototype.keyPair=function(e){return new s(this,e)},r.prototype.keyFromPrivate=function(e,t){return s.fromPrivate(this,e,t)},r.prototype.keyFromPublic=function(e,t){return s.fromPublic(this,e,t)},r.prototype.genKeyPair=function(e){e||(e={});var t=new o({hash:this.hash,pers:e.pers,persEnc:e.persEnc||"utf8",entropy:e.entropy||n.rand(this.hash.hmacStrength),entropyEnc:e.entropy&&e.entropyEnc||"utf8",nonce:this.n.toArray()}),r=this.n.byteLength(),i=this.n.sub(new a(2));do{var d=new a(t.generate(r));if(0<d.cmp(i))continue;return d.iaddn(1),this.keyFromPrivate(d)}while(!0)},r.prototype._truncateToN=function(e,t){var r=8*e.byteLength()-this.n.bitLength();return 0<r&&(e=e.ushrn(r)),!t&&0<=e.cmp(this.n)?e.sub(this.n):e},r.prototype.sign=function(e,t,n,i){"object"==typeof n&&(i=n,n=null),i||(i={}),t=this.keyFromPrivate(t,n),e=this._truncateToN(new a(e,16));for(var d=this.n.byteLength(),f=t.getPrivate().toArray("be",d),p=e.toArray("be",d),u=new o({hash:this.hash,entropy:f,nonce:p,pers:i.pers,persEnc:i.persEnc||"utf8"}),l=this.n.sub(new a(1)),b=0,h;;b++)if(h=i.k?i.k(b):new a(u.generate(this.n.byteLength())),h=this._truncateToN(h,!0),!(0>=h.cmpn(1)||0<=h.cmp(l))){var g=this.g.mul(h);if(!g.isInfinity()){var m=g.getX(),y=m.umod(this.n);if(0!==y.cmpn(0)){var _=h.invm(this.n).mul(y.mul(t.getPrivate()).iadd(e));if(_=_.umod(this.n),0!==_.cmpn(0)){var v=(g.getY().isOdd()?1:0)|(0===m.cmp(y)?0:2);return i.canonical&&0<_.cmp(this.nh)&&(_=this.n.sub(_),v^=1),new c({r:y,s:_,recoveryParam:v})}}}}},r.prototype.verify=function(e,t,o,n){e=this._truncateToN(new a(e,16)),o=this.keyFromPublic(o,n),t=new c(t,"hex");var i=t.r,r=t.s;if(0>i.cmpn(1)||0<=i.cmp(this.n))return!1;if(0>r.cmpn(1)||0<=r.cmp(this.n))return!1;var d=r.invm(this.n),s=d.mul(e).umod(this.n),f=d.mul(i).umod(this.n);if(!this.curve._maxwellTrick){var u=this.g.mulAdd(s,o.getPublic(),f);return!u.isInfinity()&&0===u.getX().umod(this.n).cmp(i)}var u=this.g.jmulAdd(s,o.getPublic(),f);return!u.isInfinity()&&u.eqXToP(i)},r.prototype.recoverPubKey=function(t,o,i,f){d((3&i)===i,"The recovery param is more than two bits"),o=new c(o,f);var p=this.n,n=new a(t),e=o.r,r=o.s,s=1&i,u=i>>1;if(0<=e.cmp(this.curve.p.umod(this.curve.n))&&u)throw new Error("Unable to find sencond key candinate");e=u?this.curve.pointFromX(e.add(this.curve.n),s):this.curve.pointFromX(e,s);var l=o.r.invm(p),b=p.sub(n).mul(l).umod(p),h=r.mul(l).umod(p);return this.g.mulAdd(b,e,h)},r.prototype.getKeyRecoveryParam=function(t,e,r,a){if(e=new c(e,a),null!==e.recoveryParam)return e.recoveryParam;for(var o=0;4>o;o++){var n;try{n=this.recoverPubKey(t,e,o)}catch(t){continue}if(n.eq(r))return o}throw new Error("Unable to find valid recovery factor")}},{"../../elliptic":107,"./key":115,"./signature":116,"bn.js":106,"hmac-drbg":198}],115:[function(e,t){"use strict";function r(e,t){this.ec=e,this.priv=null,this.pub=null,t.priv&&this._importPrivate(t.priv,t.privEnc),t.pub&&this._importPublic(t.pub,t.pubEnc)}var a=e("bn.js"),o=e("../../elliptic"),n=o.utils,i=n.assert;t.exports=r,r.fromPublic=function(e,t,a){return t instanceof r?t:new r(e,{pub:t,pubEnc:a})},r.fromPrivate=function(e,t,a){return t instanceof r?t:new r(e,{priv:t,privEnc:a})},r.prototype.validate=function(){var e=this.getPublic();return e.isInfinity()?{result:!1,reason:"Invalid public key"}:e.validate()?e.mul(this.ec.curve.n).isInfinity()?{result:!0,reason:null}:{result:!1,reason:"Public key * N != O"}:{result:!1,reason:"Public key is not a point"}},r.prototype.getPublic=function(e,t){return"string"==typeof e&&(t=e,e=null),this.pub||(this.pub=this.ec.g.mul(this.priv)),t?this.pub.encode(t,e):this.pub},r.prototype.getPrivate=function(e){return"hex"===e?this.priv.toString(16,2):this.priv},r.prototype._importPrivate=function(e,t){this.priv=new a(e,t||16),this.priv=this.priv.umod(this.ec.curve.n)},r.prototype._importPublic=function(e,t){return e.x||e.y?("mont"===this.ec.curve.type?i(e.x,"Need x coordinate"):("short"===this.ec.curve.type||"edwards"===this.ec.curve.type)&&i(e.x&&e.y,"Need both x and y coordinate"),void(this.pub=this.ec.curve.point(e.x,e.y))):void(this.pub=this.ec.curve.decodePoint(e,t))},r.prototype.derive=function(e){return e.mul(this.priv).getX()},r.prototype.sign=function(e,t,r){return this.ec.sign(e,this,t,r)},r.prototype.verify=function(e,t){return this.ec.verify(e,t,this)},r.prototype.inspect=function(){return"<Key priv: "+(this.priv&&this.priv.toString(16,2))+" pub: "+(this.pub&&this.pub.inspect())+" >"}},{"../../elliptic":107,"bn.js":106}],116:[function(e,a){"use strict";function o(e,t){return e instanceof o?e:void(this._importDER(e,t)||(p(e.r&&e.s,"Signature without r or s"),this.r=new f(e.r,16),this.s=new f(e.s,16),this.recoveryParam=void 0===e.recoveryParam?null:e.recoveryParam))}function n(){this.place=0}function i(e,t){var r=e[t.place++];if(!(128&r))return r;for(var a=0,o=0,n=t.place;o<(15&r);o++,n++)a<<=8,a|=e[n];return t.place=n,a}function d(e){for(var t=0,r=e.length-1;!e[t]&&!(128&e[t+1])&&t<r;)t++;return 0==t?e:e.slice(t)}function c(e,a){if(128>a)return void e.push(a);var o=1+(r(a)/t>>>3);for(e.push(128|o);--o;)e.push(255&a>>>(o<<3));e.push(a)}var f=e("bn.js"),s=e("../../elliptic"),u=s.utils,p=u.assert;a.exports=o,o.prototype._importDER=function(e,t){e=u.toArray(e,t);var a=new n;if(48!==e[a.place++])return!1;var o=i(e,a);if(o+a.place!==e.length)return!1;if(2!==e[a.place++])return!1;var d=i(e,a),c=e.slice(a.place,d+a.place);if(a.place+=d,2!==e[a.place++])return!1;var r=i(e,a);if(e.length!==r+a.place)return!1;var p=e.slice(a.place,r+a.place);return 0===c[0]&&128&c[1]&&(c=c.slice(1)),0===p[0]&&128&p[1]&&(p=p.slice(1)),this.r=new f(c),this.s=new f(p),this.recoveryParam=null,!0},o.prototype.toDER=function(e){var t=this.r.toArray(),r=this.s.toArray();for(128&t[0]&&(t=[0].concat(t)),128&r[0]&&(r=[0].concat(r)),t=d(t),r=d(r);!r[0]&&!(128&r[1]);)r=r.slice(1);var a=[2];c(a,t.length),a=a.concat(t),a.push(2),c(a,r.length);var o=a.concat(r),n=[48];return c(n,o.length),n=n.concat(o),u.encode(n,e)}},{"../../elliptic":107,"bn.js":106}],117:[function(e,t){"use strict";function r(e){if(i("ed25519"===e,"only tested with ed25519 so far"),!(this instanceof r))return new r(e);var e=o.curves[e].curve;this.curve=e,this.g=e.g,this.g.precompute(e.n.bitLength()+1),this.pointClass=e.point().constructor,this.encodingLength=p(e.n.bitLength()/8),this.hash=a.sha512}var a=e("hash.js"),o=e("../../elliptic"),n=o.utils,i=n.assert,d=n.parseBytes,s=e("./key"),c=e("./signature");t.exports=r,r.prototype.sign=function(e,t){e=d(e);var a=this.keyFromSecret(t),o=this.hashInt(a.messagePrefix(),e),r=this.g.mul(o),n=this.encodePoint(r),i=this.hashInt(n,a.pubBytes(),e).mul(a.priv()),s=o.add(i).umod(this.curve.n);return this.makeSignature({R:r,S:s,Rencoded:n})},r.prototype.verify=function(e,t,r){e=d(e),t=this.makeSignature(t);var a=this.keyFromPublic(r),o=this.hashInt(t.Rencoded(),a.pubBytes(),e),n=this.g.mul(t.S()),i=t.R().add(a.pub().mul(o));return i.eq(n)},r.prototype.hashInt=function(){for(var e=this.hash(),t=0;t<arguments.length;t++)e.update(arguments[t]);return n.intFromLE(e.digest()).umod(this.curve.n)},r.prototype.keyFromPublic=function(e){return s.fromPublic(this,e)},r.prototype.keyFromSecret=function(e){return s.fromSecret(this,e)},r.prototype.makeSignature=function(e){return e instanceof c?e:new c(this,e)},r.prototype.encodePoint=function(e){var t=e.getY().toArray("le",this.encodingLength);return t[this.encodingLength-1]|=e.getX().isOdd()?128:0,t},r.prototype.decodePoint=function(e){e=n.parseBytes(e);var t=e.length-1,r=e.slice(0,t).concat(-129&e[t]),a=0!=(128&e[t]),o=n.intFromLE(r);return this.curve.pointFromY(o,a)},r.prototype.encodeInt=function(e){return e.toArray("le",this.encodingLength)},r.prototype.decodeInt=function(e){return n.intFromLE(e)},r.prototype.isPoint=function(e){return e instanceof this.pointClass}},{"../../elliptic":107,"./key":118,"./signature":119,"hash.js":185}],118:[function(e,t){"use strict";function r(e,t){this.eddsa=e,this._secret=i(t.secret),e.isPoint(t.pub)?this._pub=t.pub:this._pubBytes=i(t.pub)}var a=e("../../elliptic"),o=a.utils,n=o.assert,i=o.parseBytes,d=o.cachedProperty;r.fromPublic=function(e,t){return t instanceof r?t:new r(e,{pub:t})},r.fromSecret=function(e,t){return t instanceof r?t:new r(e,{secret:t})},r.prototype.secret=function(){return this._secret},d(r,"pubBytes",function(){return this.eddsa.encodePoint(this.pub())}),d(r,"pub",function(){return this._pubBytes?this.eddsa.decodePoint(this._pubBytes):this.eddsa.g.mul(this.priv())}),d(r,"privBytes",function(){var e=this.eddsa,t=this.hash(),r=e.encodingLength-1,o=t.slice(0,e.encodingLength);return o[0]&=248,o[r]&=127,o[r]|=64,o}),d(r,"priv",function(){return this.eddsa.decodeInt(this.privBytes())}),d(r,"hash",function(){return this.eddsa.hash().update(this.secret()).digest()}),d(r,"messagePrefix",function(){return this.hash().slice(this.eddsa.encodingLength)}),r.prototype.sign=function(e){return n(this._secret,"KeyPair can only verify"),this.eddsa.sign(e,this)},r.prototype.verify=function(e,t){return this.eddsa.verify(e,t,this)},r.prototype.getSecret=function(e){return n(this._secret,"KeyPair is public only"),o.encode(this.secret(),e)},r.prototype.getPublic=function(e){return o.encode(this.pubBytes(),e)},t.exports=r},{"../../elliptic":107}],119:[function(e,t){"use strict";function r(e,t){this.eddsa=e,"object"!=typeof t&&(t=s(t)),Array.isArray(t)&&(t={R:t.slice(0,e.encodingLength),S:t.slice(e.encodingLength)}),i(t.R&&t.S,"Signature without R or S"),e.isPoint(t.R)&&(this._R=t.R),t.S instanceof a&&(this._S=t.S),this._Rencoded=Array.isArray(t.R)?t.R:t.Rencoded,this._Sencoded=Array.isArray(t.S)?t.S:t.Sencoded}var a=e("bn.js"),o=e("../../elliptic"),n=o.utils,i=n.assert,d=n.cachedProperty,s=n.parseBytes;d(r,"S",function(){return this.eddsa.decodeInt(this.Sencoded())}),d(r,"R",function(){return this.eddsa.decodePoint(this.Rencoded())}),d(r,"Rencoded",function(){return this.eddsa.encodePoint(this.R())}),d(r,"Sencoded",function(){return this.eddsa.encodeInt(this.S())}),r.prototype.toBytes=function(){return this.Rencoded().concat(this.Sencoded())},r.prototype.toHex=function(){return n.encode(this.toBytes(),"hex").toUpperCase()},t.exports=r},{"../../elliptic":107,"bn.js":106}],120:[function(e,t){t.exports={doubles:{step:4,points:[["e60fce93b59e9ec53011aabc21c23e97b2a31369b87a5ae9c44ee89e2a6dec0a","f7e3507399e595929db99f34f57937101296891e44d23f0be1f32cce69616821"],["8282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508","11f8a8098557dfe45e8256e830b60ace62d613ac2f7b17bed31b6eaff6e26caf"],["175e159f728b865a72f99cc6c6fc846de0b93833fd2222ed73fce5b551e5b739","d3506e0d9e3c79eba4ef97a51ff71f5eacb5955add24345c6efa6ffee9fed695"],["363d90d447b00c9c99ceac05b6262ee053441c7e55552ffe526bad8f83ff4640","4e273adfc732221953b445397f3363145b9a89008199ecb62003c7f3bee9de9"],["8b4b5f165df3c2be8c6244b5b745638843e4a781a15bcd1b69f79a55dffdf80c","4aad0a6f68d308b4b3fbd7813ab0da04f9e336546162ee56b3eff0c65fd4fd36"],["723cbaa6e5db996d6bf771c00bd548c7b700dbffa6c0e77bcb6115925232fcda","96e867b5595cc498a921137488824d6e2660a0653779494801dc069d9eb39f5f"],["eebfa4d493bebf98ba5feec812c2d3b50947961237a919839a533eca0e7dd7fa","5d9a8ca3970ef0f269ee7edaf178089d9ae4cdc3a711f712ddfd4fdae1de8999"],["100f44da696e71672791d0a09b7bde459f1215a29b3c03bfefd7835b39a48db0","cdd9e13192a00b772ec8f3300c090666b7ff4a18ff5195ac0fbd5cd62bc65a09"],["e1031be262c7ed1b1dc9227a4a04c017a77f8d4464f3b3852c8acde6e534fd2d","9d7061928940405e6bb6a4176597535af292dd419e1ced79a44f18f29456a00d"],["feea6cae46d55b530ac2839f143bd7ec5cf8b266a41d6af52d5e688d9094696d","e57c6b6c97dce1bab06e4e12bf3ecd5c981c8957cc41442d3155debf18090088"],["da67a91d91049cdcb367be4be6ffca3cfeed657d808583de33fa978bc1ec6cb1","9bacaa35481642bc41f463f7ec9780e5dec7adc508f740a17e9ea8e27a68be1d"],["53904faa0b334cdda6e000935ef22151ec08d0f7bb11069f57545ccc1a37b7c0","5bc087d0bc80106d88c9eccac20d3c1c13999981e14434699dcb096b022771c8"],["8e7bcd0bd35983a7719cca7764ca906779b53a043a9b8bcaeff959f43ad86047","10b7770b2a3da4b3940310420ca9514579e88e2e47fd68b3ea10047e8460372a"],["385eed34c1cdff21e6d0818689b81bde71a7f4f18397e6690a841e1599c43862","283bebc3e8ea23f56701de19e9ebf4576b304eec2086dc8cc0458fe5542e5453"],["6f9d9b803ecf191637c73a4413dfa180fddf84a5947fbc9c606ed86c3fac3a7","7c80c68e603059ba69b8e2a30e45c4d47ea4dd2f5c281002d86890603a842160"],["3322d401243c4e2582a2147c104d6ecbf774d163db0f5e5313b7e0e742d0e6bd","56e70797e9664ef5bfb019bc4ddaf9b72805f63ea2873af624f3a2e96c28b2a0"],["85672c7d2de0b7da2bd1770d89665868741b3f9af7643397721d74d28134ab83","7c481b9b5b43b2eb6374049bfa62c2e5e77f17fcc5298f44c8e3094f790313a6"],["948bf809b1988a46b06c9f1919413b10f9226c60f668832ffd959af60c82a0a","53a562856dcb6646dc6b74c5d1c3418c6d4dff08c97cd2bed4cb7f88d8c8e589"],["6260ce7f461801c34f067ce0f02873a8f1b0e44dfc69752accecd819f38fd8e8","bc2da82b6fa5b571a7f09049776a1ef7ecd292238051c198c1a84e95b2b4ae17"],["e5037de0afc1d8d43d8348414bbf4103043ec8f575bfdc432953cc8d2037fa2d","4571534baa94d3b5f9f98d09fb990bddbd5f5b03ec481f10e0e5dc841d755bda"],["e06372b0f4a207adf5ea905e8f1771b4e7e8dbd1c6a6c5b725866a0ae4fce725","7a908974bce18cfe12a27bb2ad5a488cd7484a7787104870b27034f94eee31dd"],["213c7a715cd5d45358d0bbf9dc0ce02204b10bdde2a3f58540ad6908d0559754","4b6dad0b5ae462507013ad06245ba190bb4850f5f36a7eeddff2c27534b458f2"],["4e7c272a7af4b34e8dbb9352a5419a87e2838c70adc62cddf0cc3a3b08fbd53c","17749c766c9d0b18e16fd09f6def681b530b9614bff7dd33e0b3941817dcaae6"],["fea74e3dbe778b1b10f238ad61686aa5c76e3db2be43057632427e2840fb27b6","6e0568db9b0b13297cf674deccb6af93126b596b973f7b77701d3db7f23cb96f"],["76e64113f677cf0e10a2570d599968d31544e179b760432952c02a4417bdde39","c90ddf8dee4e95cf577066d70681f0d35e2a33d2b56d2032b4b1752d1901ac01"],["c738c56b03b2abe1e8281baa743f8f9a8f7cc643df26cbee3ab150242bcbb891","893fb578951ad2537f718f2eacbfbbbb82314eef7880cfe917e735d9699a84c3"],["d895626548b65b81e264c7637c972877d1d72e5f3a925014372e9f6588f6c14b","febfaa38f2bc7eae728ec60818c340eb03428d632bb067e179363ed75d7d991f"],["b8da94032a957518eb0f6433571e8761ceffc73693e84edd49150a564f676e03","2804dfa44805a1e4d7c99cc9762808b092cc584d95ff3b511488e4e74efdf6e7"],["e80fea14441fb33a7d8adab9475d7fab2019effb5156a792f1a11778e3c0df5d","eed1de7f638e00771e89768ca3ca94472d155e80af322ea9fcb4291b6ac9ec78"],["a301697bdfcd704313ba48e51d567543f2a182031efd6915ddc07bbcc4e16070","7370f91cfb67e4f5081809fa25d40f9b1735dbf7c0a11a130c0d1a041e177ea1"],["90ad85b389d6b936463f9d0512678de208cc330b11307fffab7ac63e3fb04ed4","e507a3620a38261affdcbd9427222b839aefabe1582894d991d4d48cb6ef150"],["8f68b9d2f63b5f339239c1ad981f162ee88c5678723ea3351b7b444c9ec4c0da","662a9f2dba063986de1d90c2b6be215dbbea2cfe95510bfdf23cbf79501fff82"],["e4f3fb0176af85d65ff99ff9198c36091f48e86503681e3e6686fd5053231e11","1e63633ad0ef4f1c1661a6d0ea02b7286cc7e74ec951d1c9822c38576feb73bc"],["8c00fa9b18ebf331eb961537a45a4266c7034f2f0d4e1d0716fb6eae20eae29e","efa47267fea521a1a9dc343a3736c974c2fadafa81e36c54e7d2a4c66702414b"],["e7a26ce69dd4829f3e10cec0a9e98ed3143d084f308b92c0997fddfc60cb3e41","2a758e300fa7984b471b006a1aafbb18d0a6b2c0420e83e20e8a9421cf2cfd51"],["b6459e0ee3662ec8d23540c223bcbdc571cbcb967d79424f3cf29eb3de6b80ef","67c876d06f3e06de1dadf16e56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e.slice(0,e.length-t)},a.prototype._encrypt=function(e,a,o,n,c){for(var p=a,u=o,r=0;r<e.keys.length;r+=2){var i=e.keys[r],l=e.keys[r+1];d.expand(u,e.tmp,0),i^=e.tmp[0],l^=e.tmp[1];var b=d.substitute(i,l),s=d.permute(b),f=u;u=(p^s)>>>0,p=f}d.rip(u,p,n,c)},a.prototype._decrypt=function(e,a,o,n,c){for(var p=o,u=a,r=e.keys.length-2;0<=r;r-=2){var i=e.keys[r],l=e.keys[r+1];d.expand(p,e.tmp,0),i^=e.tmp[0],l^=e.tmp[1];var b=d.substitute(i,l),s=d.permute(b),f=p;p=(u^s)>>>0,u=f}d.rip(p,u,n,c)}},{"../des":157,inherits:201,"minimalistic-assert":209}],161:[function(e,t){"use strict";function r(e,t){o.equal(t.length,24,"Invalid key length");var r=t.slice(0,8),a=t.slice(8,16),n=t.slice(16,24);this.ciphers="encrypt"===e?[s.create({type:"encrypt",key:r}),s.create({type:"decrypt",key:a}),s.create({type:"encrypt",key:n})]:[s.create({type:"decrypt",key:n}),s.create({type:"encrypt",key:a}),s.create({type:"decrypt",key:r})]}function a(e){d.call(this,e);var t=new r(this.type,this.options.key);this._edeState=t}var o=e("minimalistic-assert"),n=e("inherits"),i=e("../des"),d=i.Cipher,s=i.DES;n(a,d),t.exports=a,a.create=function(e){return new a(e)},a.prototype._update=function(e,t,r,a){var o=this._edeState;o.ciphers[0]._update(e,t,r,a),o.ciphers[1]._update(r,a,r,a),o.ciphers[2]._update(r,a,r,a)},a.prototype._pad=s.prototype._pad,a.prototype._unpad=s.prototype._unpad},{"../des":157,inherits:201,"minimalistic-assert":209}],162:[function(e,t,r){"use strict";r.readUInt32BE=function(e,t){var r=e[0+t]<<24|e[1+t]<<16|e[2+t]<<8|e[3+t];return r>>>0},r.writeUInt32BE=function(e,t,r){e[0+r]=t>>>24,e[1+r]=255&t>>>16,e[2+r]=255&t>>>8,e[3+r]=255&t},r.ip=function(e,t,r,a){for(var o=0,n=0,d=6;0<=d;d-=2){for(var i=0;24>=i;i+=8)o<<=1,o|=1&t>>>i+d;for(var i=0;24>=i;i+=8)o<<=1,o|=1&e>>>i+d}for(var d=6;0<=d;d-=2){for(var i=1;25>=i;i+=8)n<<=1,n|=1&t>>>i+d;for(var i=1;25>=i;i+=8)n<<=1,n|=1&e>>>i+d}r[a+0]=o>>>0,r[a+1]=n>>>0},r.rip=function(e,t,r,a){for(var o=0,n=0,d=0;4>d;d++)for(var i=24;0<=i;i-=8)o<<=1,o|=1&t>>>i+d,o<<=1,o|=1&e>>>i+d;for(var d=4;8>d;d++)for(var i=24;0<=i;i-=8)n<<=1,n|=1&t>>>i+d,n<<=1,n|=1&e>>>i+d;r[a+0]=o>>>0,r[a+1]=n>>>0},r.pc1=function(e,t,r,a){for(var o=0,n=0,d=7;5<=d;d--){for(var i=0;24>=i;i+=8)o<<=1,o|=1&t>>i+d;for(var i=0;24>=i;i+=8)o<<=1,o|=1&e>>i+d}for(var i=0;24>=i;i+=8)o<<=1,o|=1&t>>i+d;for(var d=1;3>=d;d++){for(var i=0;24>=i;i+=8)n<<=1,n|=1&t>>i+d;for(var i=0;24>=i;i+=8)n<<=1,n|=1&e>>i+d}for(var i=0;24>=i;i+=8)n<<=1,n|=1&e>>i+d;r[a+0]=o>>>0,r[a+1]=n>>>0},r.r28shl=function(e,t){return 268435455&e<<t|e>>>28-t};var a=[14,11,17,4,27,23,25,0,13,22,7,18,5,9,16,24,2,20,12,21,1,8,15,26,15,4,25,19,9,1,26,16,5,11,23,8,12,7,17,0,22,3,10,14,6,20,27,24];r.pc2=function(e,t,r,o){for(var n=0,d=0,s=a.length>>>1,c=0;c<s;c++)n<<=1,n|=1&e>>>a[c];for(var c=s;c<a.length;c++)d<<=1,d|=1&t>>>a[c];r[o+0]=n>>>0,r[o+1]=d>>>0},r.expand=function(e,t,r){var a=0,o=0;a=(1&e)<<5|e>>>27;for(var n=23;15<=n;n-=4)a<<=6,a|=63&e>>>n;for(var n=11;3<=n;n-=4)o|=63&e>>>n,o<<=6;o|=(31&e)<<1|e>>>31,t[r+0]=a>>>0,t[r+1]=o>>>0};var o=[14,0,4,15,13,7,1,4,2,14,15,2,11,13,8,1,3,10,10,6,6,12,12,11,5,9,9,5,0,3,7,8,4,15,1,12,14,8,8,2,13,4,6,9,2,1,11,7,15,5,12,11,9,3,7,14,3,10,10,0,5,6,0,13,15,3,1,13,8,4,14,7,6,15,11,2,3,8,4,14,9,12,7,0,2,1,13,10,12,6,0,9,5,11,10,5,0,13,14,8,7,10,11,1,10,3,4,15,13,4,1,2,5,11,8,6,12,7,6,12,9,0,3,5,2,14,15,9,10,13,0,7,9,0,14,9,6,3,3,4,15,6,5,10,1,2,13,8,12,5,7,14,11,12,4,11,2,15,8,1,13,1,6,10,4,13,9,0,8,6,15,9,3,8,0,7,11,4,1,15,2,14,12,3,5,11,10,5,14,2,7,12,7,13,13,8,14,11,3,5,0,6,6,15,9,0,10,3,1,4,2,7,8,2,5,12,11,1,12,10,4,14,15,9,10,3,6,15,9,0,0,6,12,10,11,1,7,13,13,8,15,9,1,4,3,5,14,11,5,12,2,7,8,2,4,14,2,14,12,11,4,2,1,12,7,4,10,7,11,13,6,1,8,5,5,0,3,15,15,10,13,3,0,9,14,8,9,6,4,11,2,8,1,12,11,7,10,1,13,14,7,2,8,13,15,6,9,15,12,0,5,9,6,10,3,4,0,5,14,3,12,10,1,15,10,4,15,2,9,7,2,12,6,9,8,5,0,6,13,1,3,13,4,14,14,0,7,11,5,3,11,8,9,4,14,3,15,2,5,12,2,9,8,5,12,15,3,10,7,11,0,14,4,1,10,7,1,6,13,0,11,8,6,13,4,13,11,0,2,11,14,7,15,4,0,9,8,1,13,10,3,14,12,3,9,5,7,12,5,2,10,15,6,8,1,6,1,6,4,11,11,13,13,8,12,1,3,4,7,10,14,7,10,9,15,5,6,0,8,15,0,14,5,2,9,3,2,12,13,1,2,15,8,13,4,8,6,10,15,3,11,7,1,4,10,12,9,5,3,6,14,11,5,0,0,14,12,9,7,2,7,2,11,1,4,14,1,7,9,4,12,10,14,8,2,13,0,15,6,12,10,9,13,0,15,3,3,5,5,6,8,11];r.substitute=function(e,t){for(var r=0,a=0;4>a;a++){var n=63&e>>>18-6*a,i=o[64*a+n];r<<=4,r|=i}for(var a=0;4>a;a++){var n=63&t>>>18-6*a,i=o[256+64*a+n];r<<=4,r|=i}return r>>>0};var n=[16,25,12,11,3,20,4,15,31,17,9,6,27,14,1,22,30,24,8,18,0,5,29,23,13,19,2,26,10,21,28,7];r.permute=function(e){for(var t=0,r=0;r<n.length;r++)t<<=1,t|=1&e>>>n[r];return t>>>0},r.padSplit=function(e,t,r){for(var a=e.toString(2);a.length<t;)a="0"+a;for(var o=[],n=0;n<t;n+=r)o.push(a.slice(n,n+r));return o.join(" ")}},{}],163:[function(e,t,r){(function(t){function a(e,r,n,s){return t.isBuffer(r)||void 0===d[r]?a(e,"binary",r,n):(r=r||"binary",s=s||"binary",n=n||new t([2]),t.isBuffer(n)||(n=new t(n,s)),"number"==typeof e)?new i(o(e,n),n,!0):(t.isBuffer(e)||(e=new t(e,r)),new i(e,n,!0))}var o=e("./lib/generatePrime"),n=e("./lib/primes.json"),i=e("./lib/dh"),d={binary:!0,hex:!0,base64:!0};r.DiffieHellmanGroup=r.createDiffieHellmanGroup=r.getDiffieHellman=function(e){var r=new t(n[e].prime,"hex"),a=new t(n[e].gen,"hex");return new i(r,a)},r.createDiffieHellman=r.DiffieHellman=a}).call(this,e("buffer").Buffer)},{"./lib/dh":164,"./lib/generatePrime":165,"./lib/primes.json":166,buffer:126}],164:[function(e,t){(function(r){function a(e,t){return t=t||"utf8",r.isBuffer(e)||(e=new r(e,t)),this._pub=new s(e),this}function o(e,t){return t=t||"utf8",r.isBuffer(e)||(e=new r(e,t)),this._priv=new s(e),this}function n(e,t){var r=t.toString("hex"),a=[r,e.toString(16)].join("_");if(a in y)return y[a];var o=0;if(e.isEven()||!g.simpleSieve||!g.fermatTest(e)||!f.test(e))return o+=1,o+="02"===r||"05"===r?8:4,y[a]=o,o;f.test(e.shrn(1))||(o+=2);var n;return"02"===r?e.mod(p).cmp(u)&&(o+=8):"05"===r?(n=e.mod(l),n.cmp(b)&&n.cmp(h)&&(o+=8)):o+=4,y[a]=o,o}function i(e,t,r){this.setGenerator(t),this.__prime=new s(e),this._prime=s.mont(this.__prime),this._primeLen=e.length,this._pub=void 0,this._priv=void 0,this._primeCode=void 0,r?(this.setPublicKey=a,this.setPrivateKey=o):this._primeCode=8}function d(e,t){var a=new r(e.toArray());return t?a.toString(t):a}var s=e("bn.js"),c=e("miller-rabin"),f=new c,p=new s(24),u=new s(11),l=new s(10),b=new s(3),h=new s(7),g=e("./generatePrime"),m=e("randombytes");t.exports=i;var y={};Object.defineProperty(i.prototype,"verifyError",{enumerable:!0,get:function(){return"number"!=typeof this._primeCode&&(this._primeCode=n(this.__prime,this.__gen)),this._primeCode}}),i.prototype.generateKeys=function(){return this._priv||(this._priv=new s(m(this._primeLen))),this._pub=this._gen.toRed(this._prime).redPow(this._priv).fromRed(),this.getPublicKey()},i.prototype.computeSecret=function(e){e=new s(e),e=e.toRed(this._prime);var t=e.redPow(this._priv).fromRed(),a=new r(t.toArray()),o=this.getPrime();if(a.length<o.length){var n=new r(o.length-a.length);n.fill(0),a=r.concat([n,a])}return a},i.prototype.getPublicKey=function(e){return d(this._pub,e)},i.prototype.getPrivateKey=function(e){return d(this._priv,e)},i.prototype.getPrime=function(e){return d(this.__prime,e)},i.prototype.getGenerator=function(e){return d(this._gen,e)},i.prototype.setGenerator=function(e,t){return t=t||"utf8",r.isBuffer(e)||(e=new r(e,t)),this.__gen=e,this._gen=new s(e),this}}).call(this,e("buffer").Buffer)},{"./generatePrime":165,"bn.js":167,buffer:126,"miller-rabin":207,randombytes:234}],165:[function(e,t){function r(){if(null!=I)return I;var e=[];e[0]=2;for(var t=1,r=3,a;r<1048576;r+=2){a=p(Math.sqrt(r));for(var o=0;o<t&&e[o]<=a&&0!=r%e[o];o++);t!==o&&e[o]<=a||(e[t++]=r)}return I=e,e}function a(e){for(var t=r(),a=0;a<t.length;a++)if(0===e.modn(t[a]))return 0===e.cmpn(t[a]);return!0}function o(e){var t=d.mont(e);return 0===l.toRed(t).redPow(e.subn(1)).fromRed().cmpn(1)}function n(e,t){if(16>e)return 2===t||5===t?new d([140,123]):new d([140,39]);t=new d(t);for(var r,n;;){for(r=new d(i(p(e/8)));r.bitLength()>e;)r.ishrn(1);if(r.isEven()&&r.iadd(u),r.testn(1)||r.iadd(l),!t.cmp(l))for(;r.mod(s).cmp(v);)r.iadd(S);else if(!t.cmp(b))for(;r.mod(m).cmp(y);)r.iadd(S);if(n=r.shrn(1),a(n)&&a(r)&&o(n)&&o(r)&&f.test(n)&&f.test(r))return r}}var i=e("randombytes");t.exports=n,n.simpleSieve=a,n.fermatTest=o;var d=e("bn.js"),s=new d(24),c=e("miller-rabin"),f=new c,u=new d(1),l=new d(2),b=new d(5),h=new d(16),g=new d(8),m=new d(10),y=new d(3),_=new d(7),v=new d(11),S=new d(4),k=new d(12),I=null},{"bn.js":167,"miller-rabin":207,randombytes:234}],166:[function(e,t){t.exports={modp1:{gen:"02",prime:"ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a63a3620ffffffffffffffff"},modp2:{gen:"02",prime:"ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a637ed6b0bff5cb6f406b7edee386bfb5a899fa5ae9f24117c4b1fe649286651ece65381ffffffffffffffff"},modp5:{gen:"02",prime:"ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a637ed6b0bff5cb6f406b7edee386bfb5a899fa5ae9f24117c4b1fe649286651ece45b3dc2007cb8a163bf0598da48361c55d39a69163fa8fd24cf5f83655d23dca3ad961c62f356208552bb9ed529077096966d670c354e4abc9804f1746c08ca237327ffffffffffffffff"},modp14:{gen:"02",prime:"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"},modp15:{gen:"02",prime:"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"},modp16:{gen:"02",prime:"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"},modp17:{gen:"02",prime:"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"},modp18:{gen:"02",prime:"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"}}},{}],167:[function(e,t,r){arguments[4][71][0].apply(r,arguments)},{buffer:77,dup:71}],168:[function(e,t,r){"use strict";var a=r;a.version=e("../package.json").version,a.utils=e("./elliptic/utils"),a.rand=e("brorand"),a.hmacDRBG=e("./elliptic/hmac-drbg"),a.curve=e("./elliptic/curve"),a.curves=e("./elliptic/curves"),a.ec=e("./elliptic/ec")},{"../package.json":181,"./elliptic/curve":171,"./elliptic/curves":174,"./elliptic/ec":175,"./elliptic/hmac-drbg":178,"./elliptic/utils":180,brorand:76}],169:[function(e,t){"use strict";function r(e,t){this.type=e,this.p=new o(t.p,16),this.red=t.prime?o.red(t.prime):o.mont(this.p),this.zero=new o(0).toRed(this.red),this.one=new o(1).toRed(this.red),this.two=new o(2).toRed(this.red),this.n=t.n&&new o(t.n,16),this.g=t.g&&this.pointFromJSON(t.g,t.gRed),this._wnafT1=[,,,,],this._wnafT2=[,,,,],this._wnafT3=[,,,,],this._wnafT4=[,,,,]}function a(e,t){this.curve=e,this.type=t,this.precomputed=null}var o=e("bn.js"),n=e("../../elliptic"),d=n.utils.getNAF,s=n.utils.getJSF,c=n.utils.assert;t.exports=r,r.prototype.point=function(){throw new Error("Not implemented")},r.prototype.validate=function(){throw new Error("Not implemented")},r.prototype._fixedNafMul=function(e,t){var r=e._getDoubles(),o=d(t,1),n=(1<<r.step+1)-(0==r.step%2?2:1);n/=3;for(var s=[],c=0,f;c<o.length;c+=r.step){f=0;for(var t=c+r.step-1;t>=c;t--)f=(f<<1)+o[t];s.push(f)}for(var p=this.jpoint(null,null,null),a=this.jpoint(null,null,null),u=n;0<u;u--){for(var c=0,f;c<s.length;c++)f=s[c],f===u?a=a.mixedAdd(r.points[c]):f===-u&&(a=a.mixedAdd(r.points[c].neg()));p=p.add(a)}return p.toP()},r.prototype._wnafMul=function(e,t){var r=4,a=e._getNAFPoints(r);r=a.wnd;for(var o=a.points,n=d(t,r),s=this.jpoint(null,null,null),f=n.length-1;0<=f;f--){for(var t=0;0<=f&&0===n[f];f--)t++;if(0<=f&&t++,s=s.dblp(t),0>f)break;var i=n[f];c(0!==i),s="affine"===e.type?0<i?s.mixedAdd(o[i-1>>1]):s.mixedAdd(o[-i-1>>1].neg()):0<i?s.add(o[i-1>>1]):s.add(o[-i-1>>1].neg())}return"affine"===e.type?s.toP():s},r.prototype._wnafMulAdd=function(e,t,r,o){for(var n=this._wnafT1,c=this._wnafT2,u=this._wnafT3,l=0,h=0;h<o;h++){var i=t[h],p=i._getNAFPoints(e);n[h]=p.wnd,c[h]=p.points}for(var h=o-1;1<=h;h-=2){var g=h-1,a=h;if(1!==n[g]||1!==n[a]){u[g]=d(r[g],n[g]),u[a]=d(r[a],n[a]),l=f(u[g].length,l),l=f(u[a].length,l);continue}var b=[t[g],null,null,t[a]];0===t[g].y.cmp(t[a].y)?(b[1]=t[g].add(t[a]),b[2]=t[g].toJ().mixedAdd(t[a].neg())):0===t[g].y.cmp(t[a].y.redNeg())?(b[1]=t[g].toJ().mixedAdd(t[a]),b[2]=t[g].add(t[a].neg())):(b[1]=t[g].toJ().mixedAdd(t[a]),b[2]=t[g].toJ().mixedAdd(t[a].neg()));var m=[-3,-1,-5,-7,0,7,5,1,3],y=s(r[g],r[a]);l=f(y[0].length,l),u[g]=Array(l),u[a]=Array(l);for(var _=0;_<l;_++){var v=0|y[0][_],S=0|y[1][_];u[g][_]=m[3*(v+1)+(S+1)],u[a][_]=0,c[g]=b}}for(var I=this.jpoint(null,null,null),x=this._wnafT4,h=l,w;0<=h;h--){for(w=0;0<=h;){for(var k=!0,_=0;_<o;_++)x[_]=0|u[_][h],0!==x[_]&&(k=!1);if(!k)break;w++,h--}if(0<=h&&w++,I=I.dblp(w),0>h)break;for(var _=0;_<o;_++){var A=x[_],i;if(0===A)continue;else 0<A?i=c[_][A-1>>1]:0>A&&(i=c[_][-A-1>>1].neg());I="affine"===i.type?I.mixedAdd(i):I.add(i)}}for(var h=0;h<o;h++)c[h]=null;return I.toP()},r.BasePoint=a,a.prototype.validate=function(){return this.curve.validate(this)},a.prototype.precompute=function(e){if(this.precomputed)return this;var t={doubles:null,naf:null,beta:null};return t.naf=this._getNAFPoints(8),t.doubles=this._getDoubles(4,e),t.beta=this._getBeta(),this.precomputed=t,this},a.prototype._getDoubles=function(e,t){if(this.precomputed&&this.precomputed.doubles)return this.precomputed.doubles;for(var r=[this],a=this,o=0;o<t;o+=e){for(var n=0;n<e;n++)a=a.dbl();r.push(a)}return{step:e,points:r}},a.prototype._getNAFPoints=function(e){if(this.precomputed&&this.precomputed.naf)return this.precomputed.naf;for(var t=[this],r=(1<<e)-1,a=1==r?null:this.dbl(),o=1;o<r;o++)t[o]=t[o-1].add(a);return{wnd:e,points:t}},a.prototype._getBeta=function(){return null},a.prototype.dblp=function(e){for(var t=this,r=0;r<e;r++)t=t.dbl();return t}},{"../../elliptic":168,"bn.js":75}],170:[function(e,t){"use strict";function r(e){this.twisted=1!=(0|e.a),this.mOneA=this.twisted&&-1==(0|e.a),this.extended=this.mOneA,s.call(this,"edwards",e),this.a=new i(e.a,16).mod(this.red.m).toRed(this.red),this.c=new i(e.c,16).toRed(this.red),this.c2=this.c.redSqr(),this.d=new i(e.d,16).toRed(this.red),this.dd=this.d.redAdd(this.d),c(!this.twisted||0===this.c.fromRed().cmpn(1)),this.oneC=1==(0|e.c)}function a(e,r,a,o,n){s.BasePoint.call(this,e,"projective"),null===r&&null===a&&null===o?(this.x=this.curve.zero,this.y=this.curve.one,this.z=this.curve.one,this.t=this.curve.zero,this.zOne=!0):(this.x=new i(r,16),this.y=new i(a,16),this.z=o?new i(o,16):this.curve.one,this.t=n&&new i(n,16),!this.x.red&&(this.x=this.x.toRed(this.curve.red)),!this.y.red&&(this.y=this.y.toRed(this.curve.red)),!this.z.red&&(this.z=this.z.toRed(this.curve.red)),this.t&&!this.t.red&&(this.t=this.t.toRed(this.curve.red)),this.zOne=this.z===this.curve.one,this.curve.extended&&!this.t&&(this.t=this.x.redMul(this.y),!this.zOne&&(this.t=this.t.redMul(this.z.redInvm()))))}var o=e("../curve"),n=e("../../elliptic"),i=e("bn.js"),d=e("inherits"),s=o.base,c=n.utils.assert;d(r,s),t.exports=r,r.prototype._mulA=function(e){return this.mOneA?e.redNeg():this.a.redMul(e)},r.prototype._mulC=function(e){return this.oneC?e:this.c.redMul(e)},r.prototype.jpoint=function(e,r,a,o){return this.point(e,r,a,o)},r.prototype.pointFromX=function(e,t){t=new i(t,16),t.red||(t=t.toRed(this.red));var r=t.redSqr(),a=this.c2.redSub(this.a.redMul(r)),n=this.one.redSub(this.c2.redMul(this.d).redMul(r)),d=a.redMul(n.redInvm()).redSqrt(),s=d.fromRed().isOdd();return(e&&!s||!e&&s)&&(d=d.redNeg()),this.point(t,d,o.one)},r.prototype.validate=function(e){if(e.isInfinity())return!0;e.normalize();var t=e.x.redSqr(),r=e.y.redSqr(),a=t.redMul(this.a).redAdd(r),o=this.c2.redMul(this.one.redAdd(this.d.redMul(t).redMul(r)));return 0===a.cmp(o)},d(a,s.BasePoint),r.prototype.pointFromJSON=function(e){return a.fromJSON(this,e)},r.prototype.point=function(e,r,o,n){return new a(this,e,r,o,n)},a.fromJSON=function(e,t){return new a(e,t[0],t[1],t[2])},a.prototype.inspect=function(){return this.isInfinity()?"<EC Point Infinity>":"<EC Point x: "+this.x.fromRed().toString(16,2)+" y: "+this.y.fromRed().toString(16,2)+" z: "+this.z.fromRed().toString(16,2)+">"},a.prototype.isInfinity=function(){return 0===this.x.cmpn(0)&&0===this.y.cmp(this.z)},a.prototype._extDbl=function(){var t=this.x.redSqr(),r=this.y.redSqr(),a=this.z.redSqr();a=a.redIAdd(a);var o=this.curve._mulA(t),n=this.x.redAdd(this.y).redSqr().redISub(t).redISub(r),e=o.redAdd(r),i=e.redSub(a),d=o.redSub(r),s=n.redMul(i),c=e.redMul(d),f=n.redMul(d),p=i.redMul(e);return this.curve.point(s,c,p,f)},a.prototype._projDbl=function(){var t=this.x.redAdd(this.y).redSqr(),r=this.x.redSqr(),a=this.y.redSqr(),o,n,i;if(this.curve.twisted){var d=this.curve._mulA(r),e=d.redAdd(a);if(this.zOne)o=t.redSub(r).redSub(a).redMul(e.redSub(this.curve.two)),n=e.redMul(d.redSub(a)),i=e.redSqr().redSub(e).redSub(e);else{var s=this.z.redSqr(),c=e.redSub(s).redISub(s);o=t.redSub(r).redISub(a).redMul(c),n=e.redMul(d.redSub(a)),i=e.redMul(c)}}else{var d=r.redAdd(a),s=this.curve._mulC(this.c.redMul(this.z)).redSqr(),c=d.redSub(s).redSub(s);o=this.curve._mulC(t.redISub(d)).redMul(c),n=this.curve._mulC(d).redMul(r.redISub(a)),i=d.redMul(c)}return this.curve.point(o,n,i)},a.prototype.dbl=function(){return this.isInfinity()?this:this.curve.extended?this._extDbl():this._projDbl()},a.prototype._extAdd=function(t){var r=this.y.redSub(this.x).redMul(t.y.redSub(t.x)),a=this.y.redAdd(this.x).redMul(t.y.redAdd(t.x)),o=this.t.redMul(this.curve.dd).redMul(t.t),n=this.z.redMul(t.z.redAdd(t.z)),i=a.redSub(r),e=n.redSub(o),d=n.redAdd(o),s=a.redAdd(r),c=i.redMul(e),f=d.redMul(s),p=i.redMul(s),u=e.redMul(d);return this.curve.point(c,f,u,p)},a.prototype._projAdd=function(t){var r=this.z.redMul(t.z),a=r.redSqr(),o=this.x.redMul(t.x),n=this.y.redMul(t.y),i=this.curve.d.redMul(o).redMul(n),e=a.redSub(i),d=a.redAdd(i),s=this.x.redAdd(this.y).redMul(t.x.redAdd(t.y)).redISub(o).redISub(n),c=r.redMul(e).redMul(s),f,p;return this.curve.twisted?(f=r.redMul(d).redMul(n.redSub(this.curve._mulA(o))),p=e.redMul(d)):(f=r.redMul(d).redMul(n.redSub(o)),p=this.curve._mulC(e).redMul(d)),this.curve.point(c,f,p)},a.prototype.add=function(e){return this.isInfinity()?e:e.isInfinity()?this:this.curve.extended?this._extAdd(e):this._projAdd(e)},a.prototype.mul=function(e){return this.precomputed&&this.precomputed.doubles?this.curve._fixedNafMul(this,e):this.curve._wnafMul(this,e)},a.prototype.mulAdd=function(e,t,r){return this.curve._wnafMulAdd(1,[this,t],[e,r],2)},a.prototype.normalize=function(){if(this.zOne)return this;var e=this.z.redInvm();return this.x=this.x.redMul(e),this.y=this.y.redMul(e),this.t&&(this.t=this.t.redMul(e)),this.z=this.curve.one,this.zOne=!0,this},a.prototype.neg=function(){return this.curve.point(this.x.redNeg(),this.y,this.z,this.t&&this.t.redNeg())},a.prototype.getX=function(){return this.normalize(),this.x.fromRed()},a.prototype.getY=function(){return this.normalize(),this.y.fromRed()},a.prototype.toP=a.prototype.normalize,a.prototype.mixedAdd=a.prototype.add},{"../../elliptic":168,"../curve":171,"bn.js":75,inherits:201}],171:[function(e,t,r){arguments[4][110][0].apply(r,arguments)},{"./base":169,"./edwards":170,"./mont":172,"./short":173,dup:110}],172:[function(e,t){"use strict";function r(e){d.call(this,"mont",e),this.a=new n(e.a,16).toRed(this.red),this.b=new n(e.b,16).toRed(this.red),this.i4=new n(4).toRed(this.red).redInvm(),this.two=new n(2).toRed(this.red),this.a24=this.i4.redMul(this.a.redAdd(this.two))}function a(e,t,r){d.BasePoint.call(this,e,"projective"),null===t&&null===r?(this.x=this.curve.one,this.z=this.curve.zero):(this.x=new n(t,16),this.z=new n(r,16),!this.x.red&&(this.x=this.x.toRed(this.curve.red)),!this.z.red&&(this.z=this.z.toRed(this.curve.red)))}var o=e("../curve"),n=e("bn.js"),i=e("inherits"),d=o.base;i(r,d),t.exports=r,r.prototype.validate=function(e){var t=e.normalize().x,r=t.redSqr(),a=r.redMul(t).redAdd(r.redMul(this.a)).redAdd(t),o=a.redSqrt();return 0===o.redSqr().cmp(a)},i(a,d.BasePoint),r.prototype.point=function(e,t){return new a(this,e,t)},r.prototype.pointFromJSON=function(e){return a.fromJSON(this,e)},a.prototype.precompute=function(){},a.fromJSON=function(e,t){return new a(e,t[0],t[1]||e.one)},a.prototype.inspect=function(){return this.isInfinity()?"<EC Point Infinity>":"<EC Point x: "+this.x.fromRed().toString(16,2)+" z: "+this.z.fromRed().toString(16,2)+">"},a.prototype.isInfinity=function(){return 0===this.z.cmpn(0)},a.prototype.dbl=function(){var e=this.x.redAdd(this.z),t=e.redSqr(),r=this.x.redSub(this.z),a=r.redSqr(),o=t.redSub(a),n=t.redMul(a),i=o.redMul(a.redAdd(this.curve.a24.redMul(o)));return this.curve.point(n,i)},a.prototype.add=function(){throw new Error("Not supported on Montgomery curve")},a.prototype.diffAdd=function(e,t){var r=this.x.redAdd(this.z),a=this.x.redSub(this.z),o=e.x.redAdd(e.z),n=e.x.redSub(e.z),i=n.redMul(r),d=o.redMul(a),s=t.z.redMul(i.redAdd(d).redSqr()),c=t.x.redMul(i.redISub(d).redSqr());return this.curve.point(s,c)},a.prototype.mul=function(e){for(var r=e.clone(),t=this,a=this.curve.point(null,null),o=this,n=[];0!==r.cmpn(0);r.ishrn(1))n.push(r.andln(1));for(var d=n.length-1;0<=d;d--)0===n[d]?(t=t.diffAdd(a,o),a=a.dbl()):(a=t.diffAdd(a,o),t=t.dbl());return a},a.prototype.mulAdd=function(){throw new Error("Not supported on Montgomery curve")},a.prototype.normalize=function(){return this.x=this.x.redMul(this.z.redInvm()),this.z=this.curve.one,this},a.prototype.getX=function(){return this.normalize(),this.x.fromRed()}},{"../curve":171,"bn.js":75,inherits:201}],173:[function(e,t){"use strict";function r(e){c.call(this,"short",e),this.a=new d(e.a,16).toRed(this.red),this.b=new d(e.b,16).toRed(this.red),this.tinv=this.two.redInvm(),this.zeroA=0===this.a.fromRed().cmpn(0),this.threeA=0===this.a.fromRed().sub(this.p).cmpn(-3),this.endo=this._getEndomorphism(e),this._endoWnafT1=[,,,,],this._endoWnafT2=[,,,,]}function a(e,t,r,a){c.BasePoint.call(this,e,"affine"),null===t&&null===r?(this.x=null,this.y=null,this.inf=!0):(this.x=new d(t,16),this.y=new d(r,16),a&&(this.x.forceRed(this.curve.red),this.y.forceRed(this.curve.red)),!this.x.red&&(this.x=this.x.toRed(this.curve.red)),!this.y.red&&(this.y=this.y.toRed(this.curve.red)),this.inf=!1)}function o(e,t,r,a){c.BasePoint.call(this,e,"jacobian"),null===t&&null===r&&null===a?(this.x=this.curve.one,this.y=this.curve.one,this.z=new d(0)):(this.x=new d(t,16),this.y=new d(r,16),this.z=new d(a,16)),this.x.red||(this.x=this.x.toRed(this.curve.red)),this.y.red||(this.y=this.y.toRed(this.curve.red)),this.z.red||(this.z=this.z.toRed(this.curve.red)),this.zOne=this.z===this.curve.one}var n=e("../curve"),i=e("../../elliptic"),d=e("bn.js"),s=e("inherits"),c=n.base,f=i.utils.assert;s(r,c),t.exports=r,r.prototype._getEndomorphism=function(e){if(this.zeroA&&this.g&&this.n&&1===this.p.modn(3)){var t,r;if(e.beta)t=new d(e.beta,16).toRed(this.red);else{var a=this._getEndoRoots(this.p);t=0>a[0].cmp(a[1])?a[0]:a[1],t=t.toRed(this.red)}if(e.lambda)r=new d(e.lambda,16);else{var o=this._getEndoRoots(this.n);0===this.g.mul(o[0]).x.cmp(this.g.x.redMul(t))?r=o[0]:(r=o[1],f(0===this.g.mul(r).x.cmp(this.g.x.redMul(t))))}var n;return n=e.basis?e.basis.map(function(e){return{a:new d(e.a,16),b:new d(e.b,16)}}):this._getEndoBasis(r),{beta:t,lambda:r,basis:n}}},r.prototype._getEndoRoots=function(e){var t=e===this.p?this.red:d.mont(e),r=new d(2).toRed(t).redInvm(),a=r.redNeg(),o=new d(3).toRed(t).redNeg().redSqrt().redMul(r),n=a.redAdd(o).fromRed(),i=a.redSub(o).fromRed();return[n,i]},r.prototype._getEndoBasis=function(e){for(var t=this.n.shrn(h(this.n.bitLength()/2)),a=e,o=this.n.clone(),n=new d(1),s=new d(0),c=new d(0),f=new d(1),p=0,i,u,l,b,g,m,_,v,r,S;0!==a.cmpn(0);){S=o.div(a),v=o.sub(S.mul(a)),r=c.sub(S.mul(n));var k=f.sub(S.mul(s));if(!l&&0>v.cmp(t))i=_.neg(),u=n,l=v.neg(),b=r;else if(l&&2==++p)break;_=v,o=a,a=v,c=n,n=r,f=s,s=k}g=v.neg(),m=r;var y=l.sqr().add(b.sqr()),I=g.sqr().add(m.sqr());return 0<=I.cmp(y)&&(g=i,m=u),l.sign&&(l=l.neg(),b=b.neg()),g.sign&&(g=g.neg(),m=m.neg()),[{a:l,b:b},{a:g,b:m}]},r.prototype._endoSplit=function(e){var t=this.endo.basis,r=t[0],a=t[1],o=a.b.mul(e).divRound(this.n),n=r.b.neg().mul(e).divRound(this.n),i=o.mul(r.a),d=n.mul(a.a),s=o.mul(r.b),c=n.mul(a.b),f=e.sub(i).sub(d),p=s.add(c).neg();return{k1:f,k2:p}},r.prototype.pointFromX=function(e,t){t=new d(t,16),t.red||(t=t.toRed(this.red));var r=t.redSqr().redMul(t).redIAdd(t.redMul(this.a)).redIAdd(this.b),a=r.redSqrt(),o=a.fromRed().isOdd();return(e&&!o||!e&&o)&&(a=a.redNeg()),this.point(t,a)},r.prototype.validate=function(e){if(e.inf)return!0;var t=e.x,r=e.y,a=this.a.redMul(t),o=t.redSqr().redMul(t).redIAdd(a).redIAdd(this.b);return 0===r.redSqr().redISub(o).cmpn(0)},r.prototype._endoWnafMulAdd=function(e,t){for(var r=this._endoWnafT1,a=this._endoWnafT2,o=0;o<e.length;o++){var n=this._endoSplit(t[o]),i=e[o],d=i._getBeta();n.k1.sign&&(n.k1.sign=!n.k1.sign,i=i.neg(!0)),n.k2.sign&&(n.k2.sign=!n.k2.sign,d=d.neg(!0)),r[2*o]=i,r[2*o+1]=d,a[2*o]=n.k1,a[2*o+1]=n.k2}for(var s=this._wnafMulAdd(1,r,a,2*o),c=0;c<2*o;c++)r[c]=null,a[c]=null;return s},s(a,c.BasePoint),r.prototype.point=function(e,t,r){return new a(this,e,t,r)},r.prototype.pointFromJSON=function(e,t){return a.fromJSON(this,e,t)},a.prototype._getBeta=function(){if(this.curve.endo){var e=this.precomputed;if(e&&e.beta)return e.beta;var t=this.curve.point(this.x.redMul(this.curve.endo.beta),this.y);if(e){var r=this.curve,a=function(e){return r.point(e.x.redMul(r.endo.beta),e.y)};e.beta=t,t.precomputed={beta:null,naf:e.naf&&{wnd:e.naf.wnd,points:e.naf.points.map(a)},doubles:e.doubles&&{step:e.doubles.step,points:e.doubles.points.map(a)}}}return t}},a.prototype.toJSON=function(){return this.precomputed?[this.x,this.y,this.precomputed&&{doubles:this.precomputed.doubles&&{step:this.precomputed.doubles.step,points:this.precomputed.doubles.points.slice(1)},naf:this.precomputed.naf&&{wnd:this.precomputed.naf.wnd,points:this.precomputed.naf.points.slice(1)}}]:[this.x,this.y]},a.fromJSON=function(e,t,r){function a(t){return e.point(t[0],t[1],r)}"string"==typeof t&&(t=JSON.parse(t));var o=e.point(t[0],t[1],r);if(!t[2])return o;var n=t[2];return o.precomputed={beta:null,doubles:n.doubles&&{step:n.doubles.step,points:[o].concat(n.doubles.points.map(a))},naf:n.naf&&{wnd:n.naf.wnd,points:[o].concat(n.naf.points.map(a))}},o},a.prototype.inspect=function(){return this.isInfinity()?"<EC Point Infinity>":"<EC Point x: "+this.x.fromRed().toString(16,2)+" y: "+this.y.fromRed().toString(16,2)+">"},a.prototype.isInfinity=function(){return this.inf},a.prototype.add=function(e){if(this.inf)return e;if(e.inf)return this;if(this.eq(e))return this.dbl();if(this.neg().eq(e))return this.curve.point(null,null);if(0===this.x.cmp(e.x))return this.curve.point(null,null);var t=this.y.redSub(e.y);0!==t.cmpn(0)&&(t=t.redMul(this.x.redSub(e.x).redInvm()));var r=t.redSqr().redISub(this.x).redISub(e.x),a=t.redMul(this.x.redSub(r)).redISub(this.y);return this.curve.point(r,a)},a.prototype.dbl=function(){if(this.inf)return this;var e=this.y.redAdd(this.y);if(0===e.cmpn(0))return this.curve.point(null,null);var t=this.curve.a,r=this.x.redSqr(),a=e.redInvm(),o=r.redAdd(r).redIAdd(r).redIAdd(t).redMul(a),n=o.redSqr().redISub(this.x.redAdd(this.x)),i=o.redMul(this.x.redSub(n)).redISub(this.y);return this.curve.point(n,i)},a.prototype.getX=function(){return this.x.fromRed()},a.prototype.getY=function(){return this.y.fromRed()},a.prototype.mul=function(e){return e=new d(e,16),this.precomputed&&this.precomputed.doubles?this.curve._fixedNafMul(this,e):this.curve.endo?this.curve._endoWnafMulAdd([this],[e]):this.curve._wnafMul(this,e)},a.prototype.mulAdd=function(e,t,r){var a=[this,t],o=[e,r];return this.curve.endo?this.curve._endoWnafMulAdd(a,o):this.curve._wnafMulAdd(1,a,o,2)},a.prototype.eq=function(e){return this===e||this.inf===e.inf&&(this.inf||0===this.x.cmp(e.x)&&0===this.y.cmp(e.y))},a.prototype.neg=function(e){if(this.inf)return this;var t=this.curve.point(this.x,this.y.redNeg());if(e&&this.precomputed){var r=this.precomputed,a=function(e){return e.neg()};t.precomputed={naf:r.naf&&{wnd:r.naf.wnd,points:r.naf.points.map(a)},doubles:r.doubles&&{step:r.doubles.step,points:r.doubles.points.map(a)}}}return t},a.prototype.toJ=function(){if(this.inf)return this.curve.jpoint(null,null,null);var e=this.curve.jpoint(this.x,this.y,this.curve.one);return e},s(o,c.BasePoint),r.prototype.jpoint=function(e,t,r){return new o(this,e,t,r)},o.prototype.toP=function(){if(this.isInfinity())return this.curve.point(null,null);var e=this.z.redInvm(),t=e.redSqr(),r=this.x.redMul(t),a=this.y.redMul(t).redMul(e);return this.curve.point(r,a)},o.prototype.neg=function(){return this.curve.jpoint(this.x,this.y.redNeg(),this.z)},o.prototype.add=function(e){if(this.isInfinity())return e;if(e.isInfinity())return this;var t=e.z.redSqr(),a=this.z.redSqr(),o=this.x.redMul(t),n=e.x.redMul(a),i=this.y.redMul(t.redMul(e.z)),d=e.y.redMul(a.redMul(this.z)),s=o.redSub(n),c=i.redSub(d);if(0===s.cmpn(0))return 0===c.cmpn(0)?this.dbl():this.curve.jpoint(null,null,null);var r=s.redSqr(),f=r.redMul(s),p=o.redMul(r),u=c.redSqr().redIAdd(f).redISub(p).redISub(p),l=c.redMul(p.redISub(u)).redISub(i.redMul(f)),b=this.z.redMul(e.z).redMul(s);return this.curve.jpoint(u,l,b)},o.prototype.mixedAdd=function(e){if(this.isInfinity())return e.toJ();if(e.isInfinity())return this;var t=this.z.redSqr(),a=this.x,o=e.x.redMul(t),n=this.y,i=e.y.redMul(t).redMul(this.z),d=a.redSub(o),s=n.redSub(i);if(0===d.cmpn(0))return 0===s.cmpn(0)?this.dbl():this.curve.jpoint(null,null,null);var r=d.redSqr(),c=r.redMul(d),f=a.redMul(r),p=s.redSqr().redIAdd(c).redISub(f).redISub(f),u=s.redMul(f.redISub(p)).redISub(n.redMul(c)),l=this.z.redMul(d);return this.curve.jpoint(p,u,l)},o.prototype.dblp=function(e){if(0===e)return this;if(this.isInfinity())return this;if(!e)return this.dbl();if(this.curve.zeroA||this.curve.threeA){for(var t=this,r=0;r<e;r++)t=t.dbl();return t}for(var o=this.curve.a,a=this.curve.tinv,n=this.x,i=this.y,d=this.z,s=d.redSqr().redSqr(),f=i.redAdd(i),r=0;r<e;r++){var p=n.redSqr(),u=f.redSqr(),l=u.redSqr(),b=p.redAdd(p).redIAdd(p).redIAdd(o.redMul(s)),c=n.redMul(u),h=b.redSqr().redISub(c.redAdd(c)),g=c.redISub(h),m=b.redMul(g);m=m.redIAdd(m).redISub(l);var y=f.redMul(d);r+1<e&&(s=s.redMul(l)),n=h,d=y,f=m}return this.curve.jpoint(n,f.redMul(a),d)},o.prototype.dbl=function(){return this.isInfinity()?this:this.curve.zeroA?this._zeroDbl():this.curve.threeA?this._threeDbl():this._dbl()},o.prototype._zeroDbl=function(){var r,o,n;if(this.zOne){var i=this.x.redSqr(),p=this.y.redSqr(),u=p.redSqr(),l=this.x.redAdd(p).redSqr().redISub(i).redISub(u);l=l.redIAdd(l);var s=i.redAdd(i).redIAdd(i),h=s.redSqr().redISub(l).redISub(l),t=u.redIAdd(u);t=t.redIAdd(t),t=t.redIAdd(t),r=h,o=s.redMul(l.redISub(h)).redISub(t),n=this.y.redAdd(this.y)}else{var g=this.x.redSqr(),a=this.y.redSqr(),b=a.redSqr(),c=this.x.redAdd(a).redSqr().redISub(g).redISub(b);c=c.redIAdd(c);var d=g.redAdd(g).redIAdd(g),e=d.redSqr(),f=b.redIAdd(b);f=f.redIAdd(f),f=f.redIAdd(f),r=e.redISub(c).redISub(c),o=d.redMul(c.redISub(r)).redISub(f),n=this.y.redMul(this.z),n=n.redIAdd(n)}return this.curve.jpoint(r,o,n)},o.prototype._threeDbl=function(){var e,r,a;if(this.zOne){var o=this.x.redSqr(),n=this.y.redSqr(),i=n.redSqr(),d=this.x.redAdd(n).redSqr().redISub(o).redISub(i);d=d.redIAdd(d);var s=o.redAdd(o).redIAdd(o).redIAdd(this.curve.a),c=s.redSqr().redISub(d).redISub(d);e=c;var t=i.redIAdd(i);t=t.redIAdd(t),t=t.redIAdd(t),r=s.redMul(d.redISub(c)).redISub(t),a=this.y.redAdd(this.y)}else{var f=this.z.redSqr(),p=this.y.redSqr(),u=this.x.redMul(p),l=this.x.redSub(f).redMul(this.x.redAdd(f));l=l.redAdd(l).redIAdd(l);var b=u.redIAdd(u);b=b.redIAdd(b);var h=b.redAdd(b);e=l.redSqr().redISub(h),a=this.y.redAdd(this.z).redSqr().redISub(p).redISub(f);var g=p.redSqr();g=g.redIAdd(g),g=g.redIAdd(g),g=g.redIAdd(g),r=l.redMul(b.redISub(e)).redISub(g)}return this.curve.jpoint(e,r,a)},o.prototype._dbl=function(){var e=this.curve.a,t=this.x,r=this.y,a=this.z,o=a.redSqr().redSqr(),n=t.redSqr(),i=r.redSqr(),d=n.redAdd(n).redIAdd(n).redIAdd(e.redMul(o)),s=t.redAdd(t);s=s.redIAdd(s);var c=s.redMul(i),f=d.redSqr().redISub(c.redAdd(c)),p=c.redISub(f),u=i.redSqr();u=u.redIAdd(u),u=u.redIAdd(u),u=u.redIAdd(u);var l=d.redMul(p).redISub(u),b=r.redAdd(r).redMul(a);return this.curve.jpoint(f,l,b)},o.prototype.trpl=function(){if(!this.curve.zeroA)return this.dbl().add(this);var r=this.x.redSqr(),a=this.y.redSqr(),o=this.z.redSqr(),n=a.redSqr(),i=r.redAdd(r).redIAdd(r),d=i.redSqr(),s=this.x.redAdd(a).redSqr().redISub(r).redISub(n);s=s.redIAdd(s),s=s.redAdd(s).redIAdd(s),s=s.redISub(d);var e=s.redSqr(),c=n.redIAdd(n);c=c.redIAdd(c),c=c.redIAdd(c),c=c.redIAdd(c);var t=i.redIAdd(s).redSqr().redISub(d).redISub(e).redISub(c),f=a.redMul(t);f=f.redIAdd(f),f=f.redIAdd(f);var p=this.x.redMul(e).redISub(f);p=p.redIAdd(p),p=p.redIAdd(p);var u=this.y.redMul(t.redMul(c.redISub(t)).redISub(s.redMul(e)));u=u.redIAdd(u),u=u.redIAdd(u),u=u.redIAdd(u);var l=this.z.redAdd(s).redSqr().redISub(o).redISub(e);return this.curve.jpoint(p,u,l)},o.prototype.mul=function(e,t){return e=new d(e,t),this.curve._wnafMul(this,e)},o.prototype.eq=function(e){if("affine"===e.type)return this.eq(e.toJ());if(this===e)return!0;var t=this.z.redSqr(),r=e.z.redSqr();if(0!==this.x.redMul(r).redISub(e.x.redMul(t)).cmpn(0))return!1;var a=t.redMul(this.z),o=r.redMul(e.z);return 0===this.y.redMul(o).redISub(e.y.redMul(a)).cmpn(0)},o.prototype.inspect=function(){return this.isInfinity()?"<EC JPoint Infinity>":"<EC JPoint x: "+this.x.toString(16,2)+" y: "+this.y.toString(16,2)+" z: "+this.z.toString(16,2)+">"},o.prototype.isInfinity=function(){return 0===this.z.cmpn(0)}},{"../../elliptic":168,"../curve":171,"bn.js":75,inherits:201}],174:[function(e,t,r){"use strict";function a(e){this.curve="short"===e.type?new d.curve.short(e):"edwards"===e.type?new d.curve.edwards(e):new d.curve.mont(e),this.g=this.curve.g,this.n=this.curve.n,this.hash=e.hash,s(this.g.validate(),"Invalid curve"),s(this.g.mul(this.n).isInfinity(),"Invalid curve, G*N != O")}function o(e,t){Object.defineProperty(n,e,{configurable:!0,enumerable:!0,get:function(){var r=new a(t);return Object.defineProperty(n,e,{configurable:!0,enumerable:!0,value:r}),r}})}var n=r,i=e("hash.js"),d=e("../elliptic"),s=d.utils.assert;n.PresetCurve=a,o("p192",{type:"short",prime:"p192",p:"ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff",a:"ffffffff ffffffff ffffffff fffffffe ffffffff fffffffc",b:"64210519 e59c80e7 0fa7e9ab 72243049 feb8deec c146b9b1",n:"ffffffff ffffffff ffffffff 99def836 146bc9b1 b4d22831",hash:i.sha256,gRed:!1,g:["188da80e b03090f6 7cbf20eb 43a18800 f4ff0afd 82ff1012","07192b95 ffc8da78 631011ed 6b24cdd5 73f977a1 1e794811"]}),o("p224",{type:"short",prime:"p224",p:"ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001",a:"ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff fffffffe",b:"b4050a85 0c04b3ab f5413256 5044b0b7 d7bfd8ba 270b3943 2355ffb4",n:"ffffffff ffffffff ffffffff ffff16a2 e0b8f03e 13dd2945 5c5c2a3d",hash:i.sha256,gRed:!1,g:["b70e0cbd 6bb4bf7f 321390b9 4a03c1d3 56c21122 343280d6 115c1d21","bd376388 b5f723fb 4c22dfe6 cd4375a0 5a074764 44d58199 85007e34"]}),o("p256",{type:"short",prime:null,p:"ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff ffffffff",a:"ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff fffffffc",b:"5ac635d8 aa3a93e7 b3ebbd55 769886bc 651d06b0 cc53b0f6 3bce3c3e 27d2604b",n:"ffffffff 00000000 ffffffff ffffffff bce6faad a7179e84 f3b9cac2 fc632551",hash:i.sha256,gRed:!1,g:["6b17d1f2 e12c4247 f8bce6e5 63a440f2 77037d81 2deb33a0 f4a13945 d898c296","4fe342e2 fe1a7f9b 8ee7eb4a 7c0f9e16 2bce3357 6b315ece cbb64068 37bf51f5"]}),o("curve25519",{type:"mont",prime:"p25519",p:"7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed",a:"76d06",b:"0",n:"1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed",hash:i.sha256,gRed:!1,g:["9"]}),o("ed25519",{type:"edwards",prime:"p25519",p:"7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed",a:"-1",c:"1",d:"52036cee2b6ffe73 8cc740797779e898 00700a4d4141d8ab 75eb4dca135978a3",n:"1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed",hash:i.sha256,gRed:!1,g:["216936d3cd6e53fec0a4e231fdd6dc5c692cc7609525a7b2c9562d608f25d51a","6666666666666666666666666666666666666666666666666666666666666658"]});var c;try{c=e("./precomputed/secp256k1")}catch(t){c=void 0}o("secp256k1",{type:"short",prime:"k256",p:"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f",a:"0",b:"7",n:"ffffffff ffffffff ffffffff fffffffe baaedce6 af48a03b bfd25e8c d0364141",h:"1",hash:i.sha256,beta:"7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee",lambda:"5363ad4cc05c30e0a5261c028812645a122e22ea20816678df02967c1b23bd72",basis:[{a:"3086d221a7d46bcde86c90e49284eb15",b:"-e4437ed6010e88286f547fa90abfe4c3"},{a:"114ca50f7a8e2f3f657c1108d9d44cfd8",b:"3086d221a7d46bcde86c90e49284eb15"}],gRed:!1,g:["79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798","483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8",c]})},{"../elliptic":168,"./precomputed/secp256k1":179,"hash.js":185}],175:[function(e,t){"use strict";function r(e){return this instanceof r?void("string"==typeof e&&(i(o.curves.hasOwnProperty(e),"Unknown curve "+e),e=o.curves[e]),e instanceof o.curves.PresetCurve&&(e={curve:e}),this.curve=e.curve.curve,this.n=this.curve.n,this.nh=this.n.shrn(1),this.g=this.curve.g,this.g=e.curve.g,this.g.precompute(e.curve.n.bitLength()+1),this.hash=e.hash||e.curve.hash):new r(e)}var a=e("bn.js"),o=e("../../elliptic"),n=o.utils,i=n.assert,d=e("./key"),c=e("./signature");t.exports=r,r.prototype.keyPair=function(e){return new d(this,e)},r.prototype.keyFromPrivate=function(e,t){return d.fromPrivate(this,e,t)},r.prototype.keyFromPublic=function(e,t){return d.fromPublic(this,e,t)},r.prototype.genKeyPair=function(e){e||(e={});var t=new o.hmacDRBG({hash:this.hash,pers:e.pers,entropy:e.entropy||o.rand(this.hash.hmacStrength),nonce:this.n.toArray()}),r=this.n.byteLength(),n=this.n.sub(new a(2));do{var i=new a(t.generate(r));if(0<i.cmp(n))continue;return i.iaddn(1),this.keyFromPrivate(i)}while(!0)},r.prototype._truncateToN=function(e,t){var r=8*e.byteLength()-this.n.bitLength();return 0<r&&(e=e.shrn(r)),!t&&0<=e.cmp(this.n)?e.sub(this.n):e},r.prototype.sign=function(e,t,n,d){"object"==typeof n&&(d=n,n=null),d||(d={}),t=this.keyFromPrivate(t,n),e=this._truncateToN(new a(e,16));for(var f=this.n.byteLength(),p=t.getPrivate().toArray(),u=p.length;21>u;u++)p.unshift(0);for(var i=e.toArray(),u=i.length;u<f;u++)i.unshift(0);var l=new o.hmacDRBG({hash:this.hash,entropy:p,nonce:i}),b=this.n.sub(new a(1));do{var h=new a(l.generate(this.n.byteLength()));if(h=this._truncateToN(h,!0),0>=h.cmpn(1)||0<=h.cmp(b))continue;var g=this.g.mul(h);if(g.isInfinity())continue;var m=g.getX().mod(this.n);if(0===m.cmpn(0))continue;var y=h.invm(this.n).mul(m.mul(t.getPrivate()).iadd(e)).mod(this.n);if(0===y.cmpn(0))continue;return d.canonical&&0<y.cmp(this.nh)&&(y=this.n.sub(y)),new c({r:m,s:y})}while(!0)},r.prototype.verify=function(e,t,o,n){e=this._truncateToN(new a(e,16)),o=this.keyFromPublic(o,n),t=new c(t,"hex");var i=t.r,r=t.s;if(0>i.cmpn(1)||0<=i.cmp(this.n))return!1;if(0>r.cmpn(1)||0<=r.cmp(this.n))return!1;var d=r.invm(this.n),s=d.mul(e).mod(this.n),f=d.mul(i).mod(this.n),u=this.g.mulAdd(s,o.getPublic(),f);return!u.isInfinity()&&0===u.getX().mod(this.n).cmp(i)}},{"../../elliptic":168,"./key":176,"./signature":177,"bn.js":75}],176:[function(e,t){"use strict";function r(e,t){this.ec=e,this.priv=null,this.pub=null,t.priv&&this._importPrivate(t.priv,t.privEnc),t.pub&&this._importPublic(t.pub,t.pubEnc)}var a=e("bn.js"),o=e("../../elliptic"),n=o.utils;t.exports=r,r.fromPublic=function(e,t,a){return t instanceof r?t:new r(e,{pub:t,pubEnc:a})},r.fromPrivate=function(e,t,a){return t instanceof r?t:new r(e,{priv:t,privEnc:a})},r.prototype.validate=function(){var e=this.getPublic();return e.isInfinity()?{result:!1,reason:"Invalid public key"}:e.validate()?e.mul(this.ec.curve.n).isInfinity()?{result:!0,reason:null}:{result:!1,reason:"Public key * N != O"}:{result:!1,reason:"Public key is not a point"}},r.prototype.getPublic=function(e,t){if(this.pub||(this.pub=this.ec.g.mul(this.priv)),"string"==typeof e&&(t=e,e=null),!t)return this.pub;for(var r=this.ec.curve.p.byteLength(),a=this.pub.getX().toArray(),o=a.length;o<r;o++)a.unshift(0);var i;if("mont"===this.ec.curve.type)i=a;else if(e)i=[this.pub.getY().isEven()?2:3].concat(a);else{for(var d=this.pub.getY().toArray(),o=d.length;o<r;o++)d.unshift(0);var i=[4].concat(a,d)}return n.encode(i,t)},r.prototype.getPrivate=function(e){return"hex"===e?this.priv.toString(16,2):this.priv},r.prototype._importPrivate=function(e,t){this.priv=new a(e,t||16),this.priv=this.priv.mod(this.ec.curve.n)},r.prototype._importPublic=function(e,t){return e.x||e.y?void(this.pub=this.ec.curve.point(e.x,e.y)):(e=n.toArray(e,t),"mont"===this.ec.curve.type?this._importPublicMont(e):this._importPublicShort(e))},r.prototype._importPublicShort=function(e){var t=this.ec.curve.p.byteLength();4===e[0]&&e.length-1==2*t?this.pub=this.ec.curve.point(e.slice(1,1+t),e.slice(1+t,1+2*t)):(2===e[0]||3===e[0])&&e.length-1===t&&(this.pub=this.ec.curve.pointFromX(3===e[0],e.slice(1,1+t)))},r.prototype._importPublicMont=function(e){this.pub=this.ec.curve.point(e,1)},r.prototype.derive=function(e){return e.mul(this.priv).getX()},r.prototype.sign=function(e){return this.ec.sign(e,this)},r.prototype.verify=function(e,t){return this.ec.verify(e,t,this)},r.prototype.inspect=function(){return"<Key priv: "+(this.priv&&this.priv.toString(16,2))+" pub: "+(this.pub&&this.pub.inspect())+" >"}},{"../../elliptic":168,"bn.js":75}],177:[function(e,t){"use strict";function r(e,t){return e instanceof r?e:void(this._importDER(e,t)||(i(e.r&&e.s,"Signature without r or s"),this.r=new a(e.r,16),this.s=new a(e.s,16)))}var a=e("bn.js"),o=e("../../elliptic"),n=o.utils,i=n.assert;t.exports=r,r.prototype._importDER=function(e,t){if(e=n.toArray(e,t),6>e.length||48!==e[0]||2!==e[2])return!1;var r=e[1];if(1+r>e.length)return!1;var o=e[3];if(128<=o)return!1;if(4+o+2>=e.length)return!1;if(2!==e[4+o])return!1;var i=e[5+o];return!(128<=i)&&!(4+o+2+i>e.length)&&(this.r=new a(e.slice(4,4+o)),this.s=new a(e.slice(4+o+2,4+o+2+i)),!0)},r.prototype.toDER=function(e){var t=this.r.toArray(),r=this.s.toArray();128&t[0]&&(t=[0].concat(t)),128&r[0]&&(r=[0].concat(r));var a=t.length+r.length+4,o=[48,a,2,t.length];return o=o.concat(t,[2,r.length],r),n.encode(o,e)}},{"../../elliptic":168,"bn.js":75}],178:[function(e,t){"use strict";function r(e){if(!(this instanceof r))return new r(e);this.hash=e.hash,this.predResist=!!e.predResist,this.outLen=this.hash.outSize,this.minEntropy=e.minEntropy||this.hash.hmacStrength,this.reseed=null,this.reseedInterval=null,this.K=null,this.V=null;var t=n.toArray(e.entropy,e.entropyEnc),a=n.toArray(e.nonce,e.nonceEnc),o=n.toArray(e.pers,e.persEnc);i(t.length>=this.minEntropy/8,"Not enough entropy. Minimum is: "+this.minEntropy+" bits"),this._init(t,a,o)}var a=e("hash.js"),o=e("../elliptic"),n=o.utils,i=n.assert;t.exports=r,r.prototype._init=function(e,t,r){var a=e.concat(t).concat(r);this.K=Array(this.outLen/8),this.V=Array(this.outLen/8);for(var o=0;o<this.V.length;o++)this.K[o]=0,this.V[o]=1;this._update(a),this.reseed=1,this.reseedInterval=281474976710656},r.prototype._hmac=function(){return new a.hmac(this.hash,this.K)},r.prototype._update=function(e){var t=this._hmac().update(this.V).update([0]);e&&(t=t.update(e)),this.K=t.digest(),this.V=this._hmac().update(this.V).digest();e&&(this.K=this._hmac().update(this.V).update([1]).update(e).digest(),this.V=this._hmac().update(this.V).digest())},r.prototype.reseed=function(e,t,r,a){"string"!=typeof t&&(a=r,r=t,t=null),e=n.toBuffer(e,t),r=n.toBuffer(r,a),i(e.length>=this.minEntropy/8,"Not enough entropy. 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r},n.zero2=a,n.toHex=o,n.encode=function(e,t){return"hex"===t?o(e):e}},{}],211:[function(e,t){t.exports={"2.16.840.1.101.3.4.1.1":"aes-128-ecb","2.16.840.1.101.3.4.1.2":"aes-128-cbc","2.16.840.1.101.3.4.1.3":"aes-128-ofb","2.16.840.1.101.3.4.1.4":"aes-128-cfb","2.16.840.1.101.3.4.1.21":"aes-192-ecb","2.16.840.1.101.3.4.1.22":"aes-192-cbc","2.16.840.1.101.3.4.1.23":"aes-192-ofb","2.16.840.1.101.3.4.1.24":"aes-192-cfb","2.16.840.1.101.3.4.1.41":"aes-256-ecb","2.16.840.1.101.3.4.1.42":"aes-256-cbc","2.16.840.1.101.3.4.1.43":"aes-256-ofb","2.16.840.1.101.3.4.1.44":"aes-256-cfb"}},{}],212:[function(e,t,r){"use strict";var a=e("asn1.js");r.certificate=e("./certificate");var o=a.define("RSAPrivateKey",function(){this.seq().obj(this.key("version").int(),this.key("modulus").int(),this.key("publicExponent").int(),this.key("privateExponent").int(),this.key("prime1").int(),this.key("prime2").int(),this.key("exponent1").int(),this.key("exponent2").int(),this.key("coefficient").int())});r.RSAPrivateKey=o;var n=a.define("RSAPublicKey",function(){this.seq().obj(this.key("modulus").int(),this.key("publicExponent").int())});r.RSAPublicKey=n;var i=a.define("SubjectPublicKeyInfo",function(){this.seq().obj(this.key("algorithm").use(d),this.key("subjectPublicKey").bitstr())});r.PublicKey=i;var d=a.define("AlgorithmIdentifier",function(){this.seq().obj(this.key("algorithm").objid(),this.key("none").null_().optional(),this.key("curve").objid().optional(),this.key("params").seq().obj(this.key("p").int(),this.key("q").int(),this.key("g").int()).optional())}),s=a.define("PrivateKeyInfo",function(){this.seq().obj(this.key("version").int(),this.key("algorithm").use(d),this.key("subjectPrivateKey").octstr())});r.PrivateKey=s;var c=a.define("EncryptedPrivateKeyInfo",function(){this.seq().obj(this.key("algorithm").seq().obj(this.key("id").objid(),this.key("decrypt").seq().obj(this.key("kde").seq().obj(this.key("id").objid(),this.key("kdeparams").seq().obj(this.key("salt").octstr(),this.key("iters").int())),this.key("cipher").seq().obj(this.key("algo").objid(),this.key("iv").octstr()))),this.key("subjectPrivateKey").octstr())});r.EncryptedPrivateKey=c;var 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r=e("asn1.js"),a=r.define("Time",function(){this.choice({utcTime:this.utctime(),generalTime:this.gentime()})}),o=r.define("AttributeTypeValue",function(){this.seq().obj(this.key("type").objid(),this.key("value").any())}),n=r.define("AlgorithmIdentifier",function(){this.seq().obj(this.key("algorithm").objid(),this.key("parameters").optional())}),i=r.define("SubjectPublicKeyInfo",function(){this.seq().obj(this.key("algorithm").use(n),this.key("subjectPublicKey").bitstr())}),d=r.define("RelativeDistinguishedName",function(){this.setof(o)}),s=r.define("RDNSequence",function(){this.seqof(d)}),c=r.define("Name",function(){this.choice({rdnSequence:this.use(s)})}),f=r.define("Validity",function(){this.seq().obj(this.key("notBefore").use(a),this.key("notAfter").use(a))}),p=r.define("Extension",function(){this.seq().obj(this.key("extnID").objid(),this.key("critical").bool().def(!1),this.key("extnValue").octstr())}),u=r.define("TBSCertificate",function(){this.seq().obj(this.key("version").explicit(0).int(),this.key("serialNumber").int(),this.key("signature").use(n),this.key("issuer").use(c),this.key("validity").use(f),this.key("subject").use(c),this.key("subjectPublicKeyInfo").use(i),this.key("issuerUniqueID").implicit(1).bitstr().optional(),this.key("subjectUniqueID").implicit(2).bitstr().optional(),this.key("extensions").explicit(3).seqof(p).optional())}),l=r.define("X509Certificate",function(){this.seq().obj(this.key("tbsCertificate").use(u),this.key("signatureAlgorithm").use(n),this.key("signatureValue").bitstr())});t.exports=l},{"asn1.js":57}],214:[function(e,t){(function(r){var a=/Proc-Type: 4,ENCRYPTED\n\r?DEK-Info: AES-((?:128)|(?:192)|(?:256))-CBC,([0-9A-H]+)\n\r?\n\r?([0-9A-z\n\r\+\/\=]+)\n\r?/m,o=/^-----BEGIN ((?:.* KEY)|CERTIFICATE)-----\n/m,n=/^-----BEGIN ((?:.* KEY)|CERTIFICATE)-----\n\r?([0-9A-z\n\r\+\/\=]+)\n\r?-----END \1-----$/m,i=e("evp_bytestokey"),d=e("browserify-aes");t.exports=function(e,t){var s=e.toString(),c=s.match(a),f;if(!c){var p=s.match(n);f=new r(p[2].replace(/\r?\n/g,""),"base64")}else{var u="aes"+c[1],l=new r(c[2],"hex"),b=new r(c[3].replace(/\r?\n/g,""),"base64"),h=i(t,l.slice(0,8),parseInt(c[1],10)).key,g=[],m=d.createDecipheriv(u,h,l);g.push(m.update(b)),g.push(m.final()),f=r.concat(g)}var y=s.match(o)[1];return{tag:y,data:f}}}).call(this,e("buffer").Buffer)},{"browserify-aes":80,buffer:126,evp_bytestokey:183}],215:[function(e,t){(function(r){function a(e){var t;"object"!=typeof e||r.isBuffer(e)||(t=e.passphrase,e=e.key),"string"==typeof e&&(e=new r(e));var a=d(e,t),i=a.tag,s=a.data,c,f;switch(i){case"CERTIFICATE":f=n.certificate.decode(s,"der").tbsCertificate.subjectPublicKeyInfo;case"PUBLIC KEY":switch(f||(f=n.PublicKey.decode(s,"der")),c=f.algorithm.algorithm.join("."),c){case"1.2.840.113549.1.1.1":return n.RSAPublicKey.decode(f.subjectPublicKey.data,"der");case"1.2.840.10045.2.1":return f.subjectPrivateKey=f.subjectPublicKey,{type:"ec",data:f};case"1.2.840.10040.4.1":return f.algorithm.params.pub_key=n.DSAparam.decode(f.subjectPublicKey.data,"der"),{type:"dsa",data:f.algorithm.params};default:throw new Error("unknown key id "+c);}throw new Error("unknown key type "+i);case"ENCRYPTED PRIVATE KEY":s=n.EncryptedPrivateKey.decode(s,"der"),s=o(s,t);case"PRIVATE KEY":switch(f=n.PrivateKey.decode(s,"der"),c=f.algorithm.algorithm.join("."),c){case"1.2.840.113549.1.1.1":return n.RSAPrivateKey.decode(f.subjectPrivateKey,"der");case"1.2.840.10045.2.1":return{curve:f.algorithm.curve,privateKey:n.ECPrivateKey.decode(f.subjectPrivateKey,"der").privateKey};case"1.2.840.10040.4.1":return f.algorithm.params.priv_key=n.DSAparam.decode(f.subjectPrivateKey,"der"),{type:"dsa",params:f.algorithm.params};default:throw new Error("unknown key id "+c);}throw new Error("unknown key type "+i);case"RSA PUBLIC KEY":return n.RSAPublicKey.decode(s,"der");case"RSA PRIVATE KEY":return n.RSAPrivateKey.decode(s,"der");case"DSA PRIVATE KEY":return{type:"dsa",params:n.DSAPrivateKey.decode(s,"der")};case"EC PRIVATE KEY":return s=n.ECPrivateKey.decode(s,"der"),{curve:s.parameters.value,privateKey:s.privateKey};default:throw new Error("unknown key type "+i);}}function o(e,t){var a=e.algorithm.decrypt.kde.kdeparams.salt,o=parseInt(e.algorithm.decrypt.kde.kdeparams.iters.toString(),10),n=i[e.algorithm.decrypt.cipher.algo.join(".")],d=e.algorithm.decrypt.cipher.iv,f=e.subjectPrivateKey,p=parseInt(n.split("-")[1],10)/8,u=c.pbkdf2Sync(t,a,o,p),l=s.createDecipheriv(n,u,d),b=[];return b.push(l.update(f)),b.push(l.final()),r.concat(b)}var n=e("./asn1"),i=e("./aesid.json"),d=e("./fixProc"),s=e("browserify-aes"),c=e("pbkdf2");t.exports=a,a.signature=n.signature}).call(this,e("buffer").Buffer)},{"./aesid.json":211,"./asn1":212,"./fixProc":214,"browserify-aes":80,buffer:126,pbkdf2:216}],216:[function(e,t,r){r.pbkdf2=e("./lib/async"),r.pbkdf2Sync=e("./lib/sync")},{"./lib/async":217,"./lib/sync":220}],217:[function(e,t){(function(r,a){function o(e){if(a.process&&!a.process.browser)return Promise.resolve(!1);if(!p||!p.importKey||!p.deriveBits)return Promise.resolve(!1);if(void 0!==l[e])return l[e];b=b||f.alloc(8);var t=n(b,b,10,128,e).then(function(){return!0}).catch(function(){return!1});return l[e]=t,t}function n(e,t,r,a,o){return p.importKey("raw",e,{name:"PBKDF2"},!1,["deriveBits"]).then(function(e){return p.deriveBits({name:"PBKDF2",salt:t,iterations:r,hash:{name:o}},e,a<<3)}).then(function(e){return f.from(e)})}function i(e,t){e.then(function(e){r.nextTick(function(){t(null,e)})},function(a){r.nextTick(function(){t(a)})})}var d=e("./precondition"),s=e("./default-encoding"),c=e("./sync"),f=e("safe-buffer").Buffer,p=a.crypto&&a.crypto.subtle,u={sha:"SHA-1","sha-1":"SHA-1",sha1:"SHA-1",sha256:"SHA-256","sha-256":"SHA-256",sha384:"SHA-384","sha-384":"SHA-384","sha-512":"SHA-512",sha512:"SHA-512"},l=[],b;t.exports=function(e,t,p,l,b,h){if(f.isBuffer(e)||(e=f.from(e,s)),f.isBuffer(t)||(t=f.from(t,s)),d(p,l),"function"==typeof b&&(h=b,b=void 0),"function"!=typeof h)throw new Error("No callback provided to pbkdf2");b=b||"sha1";var g=u[b.toLowerCase()];return g&&"function"==typeof a.Promise?void 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\ No newline at end of file
diff --git a/gulpfile.js b/gulpfile.js
deleted file mode 100644
index 274d73b..0000000
--- a/gulpfile.js
+++ /dev/null
@@ -1,125 +0,0 @@
-/**
- * @file gulpfile.js
- *
- * Defines tasks that can be run on gulp.
- *
- * Summary:
- * <ul>
- *   <li> `test` - an alias for `test:node`
- *   <li> `test:node` - runs all the tests on node (mocha)
- *   <li> `test:browser` - runs all the tests in the browser (karma)
- *   <li> `build` - generate files needed for browser (browserify)
- *   <li> `build:test` - generate files needed for testing in the browser
- *   <li> `lint` - run `jshint`
- *   <li> `coveralls` - updates coveralls info
- * </ul>
- */
-
-'use strict';
-
-const gulp = require('gulp');
-const shell = require('gulp-shell');
-const npmPackage = require('./package.json');
-
-gulp.task(
-  'build',
-  ['build:node', 'build:browser']
-);
-
-gulp.task(
-  'build:node',
-  shell.task([[
-    'rm -rf lib', '&&',
-    'mkdir -p lib', '&&',
-    'npx babel-cli src --out-dir lib',
-  ].join(' ')])
-);
-
-gulp.task(
-  'build:browser',
-  ['build:node'],
-  shell.task([[
-    'rm -rf dist', '&&',
-    'mkdir -p dist', '&&',
-    'npx browserify lib/bitcoincash.js --s bch', '|',
-    `npx minify --out-file dist/bitcoincashjs.${npmPackage.version}.min.js`,
-  ].join(' ')])
-);
-
-gulp.task(
-  'build:test',
-  ['build:node'],
-  shell.task([[
-    'rm -rf build', '&&',
-    'mkdir -p build', '&&',
-    'find test/ -type f -name "*.js" | xargs npx browserify -t brfs -o build/tests.js'
-  ].join(' ')])
-);
-
-gulp.task(
-  'test',
-  ['test:node']
-);
-
-gulp.task(
-  'test:all',
-  ['test:node', 'test:browser']
-);
-
-gulp.task(
-  'test:node',
-  ['build:node'],
-  shell.task([
-    `npx nyc --reporter=html --reporter=text npx mocha ${getTaskArgs()}`,
-  ])
-);
-
-gulp.task(
-  'test:browser',
-  ['build:test'],
-  shell.task([
-    'npx karma start',
-  ])
-);
-
-gulp.task(
-  'lint',
-  shell.task([
-    'find gulpfile.js src/ test/ -type f -name "*.js" | xargs npx jshint',
-  ])
-);
-
-gulp.task(
-  'coveralls',
-  shell.task([
-    'npx nyc report --reporter=text-lcov | npx coveralls',
-  ])
-);
-
-gulp.task(
-  'version',
-  ['build'],
-  shell.task([[
-    'npx mustache package.json README.tpl.md > README.md', '&&',
-    'git add -A dist README.md',
-  ].join(' ')])
-);
-
-gulp.task(
-  'postversion',
-  shell.task([[
-    'git push', '&&',
-    'git push --tags', '&&',
-    'npm publish',
-  ].join(' ')])
-);
-
-function getTaskArgs() {
-  if (process.argv.length < 4) {
-    return '';
-  }
-  const args = process.argv.splice(3);
-  const argsWithQuotes = args.map(a => a.indexOf(' ') !== -1 ? `"${a}"` : a);
-  return argsWithQuotes.join(' ');
-}
-
diff --git a/karma.conf.js b/karma.conf.js
index 5290d04..d8811bf 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -23,7 +23,7 @@ module.exports = function(config) {
     },
     singleRun: true,
     files: [
-      'build/tests.js'
+      '.build/tests.js'
     ],
     plugins: [
       'karma-mocha',
diff --git a/package-lock.json b/package-lock.json
index 0d36051..c4807d4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -80,33 +80,6 @@
       "dev": true,
       "optional": true
     },
-    "ansi-cyan": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-cyan/-/ansi-cyan-0.1.1.tgz",
-      "integrity": "sha1-U4rlKK+JgvKK4w2G8vF0VtJgmHM=",
-      "dev": true,
-      "requires": {
-        "ansi-wrap": "0.1.0"
-      }
-    },
-    "ansi-gray": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-gray/-/ansi-gray-0.1.1.tgz",
-      "integrity": "sha1-KWLPVOyXksSFEKPetSRDaGHvclE=",
-      "dev": true,
-      "requires": {
-        "ansi-wrap": "0.1.0"
-      }
-    },
-    "ansi-red": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-red/-/ansi-red-0.1.1.tgz",
-      "integrity": "sha1-jGOPnRCAgAo1PJwoyKgcpHBdlGw=",
-      "dev": true,
-      "requires": {
-        "ansi-wrap": "0.1.0"
-      }
-    },
     "ansi-regex": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
@@ -117,13 +90,8 @@
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
       "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
-      "dev": true
-    },
-    "ansi-wrap": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/ansi-wrap/-/ansi-wrap-0.1.0.tgz",
-      "integrity": "sha1-qCJQ3bABXponyoLoLqYDu/pF768=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "anymatch": {
       "version": "1.3.2",
@@ -226,12 +194,6 @@
         }
       }
     },
-    "archy": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/archy/-/archy-1.0.0.tgz",
-      "integrity": "sha1-+cjBN1fMHde8N5rHeyxipcKGjEA=",
-      "dev": true
-    },
     "argparse": {
       "version": "1.0.9",
       "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.9.tgz",
@@ -241,36 +203,12 @@
         "sprintf-js": "1.0.3"
       }
     },
-    "arr-diff": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-4.0.0.tgz",
-      "integrity": "sha1-1kYQdP6/7HHn4VI1dhoyml3HxSA=",
-      "dev": true
-    },
     "arr-flatten": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/arr-flatten/-/arr-flatten-1.1.0.tgz",
       "integrity": "sha512-L3hKV5R/p5o81R7O02IGnwpDmkp6E982XhtbuwSe3O4qOtMMMtodicASA1Cny2U+aCXcNpml+m4dPsvsJ3jatg==",
       "dev": true
     },
-    "arr-union": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/arr-union/-/arr-union-3.1.0.tgz",
-      "integrity": "sha1-45sJrqne+Gao8gbiiK9jkZuuOcQ=",
-      "dev": true
-    },
-    "array-differ": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/array-differ/-/array-differ-1.0.0.tgz",
-      "integrity": "sha1-7/UuN1gknTO+QCuLuOVkuytdQDE=",
-      "dev": true
-    },
-    "array-each": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/array-each/-/array-each-1.0.1.tgz",
-      "integrity": "sha1-p5SvDAWrF1KEbudTofIRoFugxE8=",
-      "dev": true
-    },
     "array-filter": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/array-filter/-/array-filter-0.0.1.tgz",
@@ -289,24 +227,6 @@
       "integrity": "sha1-FziZ0//Rx9k4PkR5Ul2+J4yrXys=",
       "dev": true
     },
-    "array-slice": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/array-slice/-/array-slice-1.1.0.tgz",
-      "integrity": "sha512-B1qMD3RBP7O8o0H2KbrXDyB0IccejMF15+87Lvlor12ONPRHP6gTjXMNkt/d3ZuOGbAe66hFmaCfECI24Ufp6w==",
-      "dev": true
-    },
-    "array-uniq": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/array-uniq/-/array-uniq-1.0.3.tgz",
-      "integrity": "sha1-r2rId6Jcx/dOBYiUdThY39sk/bY=",
-      "dev": true
-    },
-    "array-unique": {
-      "version": "0.3.2",
-      "resolved": "https://registry.npmjs.org/array-unique/-/array-unique-0.3.2.tgz",
-      "integrity": "sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg=",
-      "dev": true
-    },
     "arraybuffer.slice": {
       "version": "0.0.7",
       "resolved": "https://registry.npmjs.org/arraybuffer.slice/-/arraybuffer.slice-0.0.7.tgz",
@@ -359,12 +279,6 @@
       "integrity": "sha1-x/hUOP3UZrx8oWq5DIFRN5el0js=",
       "dev": true
     },
-    "assign-symbols": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/assign-symbols/-/assign-symbols-1.0.0.tgz",
-      "integrity": "sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c=",
-      "dev": true
-    },
     "ast-types": {
       "version": "0.10.1",
       "resolved": "https://registry.npmjs.org/ast-types/-/ast-types-0.10.1.tgz",
@@ -389,15 +303,6 @@
         }
       }
     },
-    "async": {
-      "version": "2.6.0",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.0.tgz",
-      "integrity": "sha512-xAfGg1/NTLBBKlHFmnd7PlmUW9KhVQIUuSrYem9xzFUZy13ScvtyGGejaae9iAVRiRq9+Cx7DPFaAAhCpyxyPw==",
-      "dev": true,
-      "requires": {
-        "lodash": "4.17.4"
-      }
-    },
     "async-each": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/async-each/-/async-each-1.0.1.tgz",
@@ -413,952 +318,31 @@
     "asynckit": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
-      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k=",
-      "dev": true
-    },
-    "atob": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/atob/-/atob-2.0.3.tgz",
-      "integrity": "sha1-GcenYEc3dEaPILLS0DNyrX1Mv10=",
-      "dev": true
-    },
-    "aws-sign2": {
-      "version": "0.7.0",
-      "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
-      "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg=",
-      "dev": true
-    },
-    "aws4": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.6.0.tgz",
-      "integrity": "sha1-g+9cqGCysy5KDe7e6MdxudtXRx4=",
-      "dev": true
-    },
-    "axios": {
-      "version": "0.15.3",
-      "resolved": "https://registry.npmjs.org/axios/-/axios-0.15.3.tgz",
-      "integrity": "sha1-LJ1jiy4ZGgjqHWzJiOrda6W9wFM=",
-      "dev": true,
-      "optional": true,
-      "requires": {
-        "follow-redirects": "1.0.0"
-      }
-    },
-    "babel-cli": {
-      "version": "6.26.0",
-      "resolved": "https://registry.npmjs.org/babel-cli/-/babel-cli-6.26.0.tgz",
-      "integrity": "sha1-UCq1SHTX24itALiHoGODzgPQAvE=",
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-        "babel-polyfill": "6.26.0",
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-        "path-is-absolute": "1.0.1",
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       "version": "1.7.0",
       "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.7.0.tgz",
@@ -10874,38 +7598,6 @@
         }
       }
     },
-    "union-value": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/union-value/-/union-value-1.0.0.tgz",
-      "integrity": "sha1-XHHDTLW61dzr4+oM0IIHulqhrqQ=",
-      "dev": true,
-      "requires": {
-        "arr-union": "3.1.0",
-        "get-value": "2.0.6",
-        "is-extendable": "0.1.1",
-        "set-value": "0.4.3"
-      },
-      "dependencies": {
-        "set-value": {
-          "version": "0.4.3",
-          "resolved": "https://registry.npmjs.org/set-value/-/set-value-0.4.3.tgz",
-          "integrity": "sha1-fbCPnT0i3H945Trzw79GZuzfzPE=",
-          "dev": true,
-          "requires": {
-            "extend-shallow": "2.0.1",
-            "is-extendable": "0.1.1",
-            "is-plain-object": "2.0.4",
-            "to-object-path": "0.3.0"
-          }
-        }
-      }
-    },
-    "unique-stream": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/unique-stream/-/unique-stream-1.0.0.tgz",
-      "integrity": "sha1-1ZpKdUJ0R9mqbJHnAmP40mpLEEs=",
-      "dev": true
-    },
     "unorm": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/unorm/-/unorm-1.4.1.tgz",
@@ -10917,52 +7609,6 @@
       "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=",
       "dev": true
     },
-    "unset-value": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/unset-value/-/unset-value-1.0.0.tgz",
-      "integrity": "sha1-g3aHP30jNRef+x5vw6jtDfyKtVk=",
-      "dev": true,
-      "requires": {
-        "has-value": "0.3.1",
-        "isobject": "3.0.1"
-      },
-      "dependencies": {
-        "has-value": {
-          "version": "0.3.1",
-          "resolved": "https://registry.npmjs.org/has-value/-/has-value-0.3.1.tgz",
-          "integrity": "sha1-ex9YutpiyoJ+wKIHgCVlSEWZXh8=",
-          "dev": true,
-          "requires": {
-            "get-value": "2.0.6",
-            "has-values": "0.1.4",
-            "isobject": "2.1.0"
-          },
-          "dependencies": {
-            "isobject": {
-              "version": "2.1.0",
-              "resolved": "https://registry.npmjs.org/isobject/-/isobject-2.1.0.tgz",
-              "integrity": "sha1-8GVWEJaj8dou9GJy+BXIQNh+DIk=",
-              "dev": true,
-              "requires": {
-                "isarray": "1.0.0"
-              }
-            }
-          }
-        },
-        "has-values": {
-          "version": "0.1.4",
-          "resolved": "https://registry.npmjs.org/has-values/-/has-values-0.1.4.tgz",
-          "integrity": "sha1-bWHeldkd/Km5oCCJrThL/49it3E=",
-          "dev": true
-        }
-      }
-    },
-    "urix": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/urix/-/urix-0.1.0.tgz",
-      "integrity": "sha1-2pN/emLiH+wf0Y1Js1wpNQZ6bHI=",
-      "dev": true
-    },
     "url": {
       "version": "0.11.0",
       "resolved": "https://registry.npmjs.org/url/-/url-0.11.0.tgz",
@@ -10981,91 +7627,6 @@
         }
       }
     },
-    "use": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/use/-/use-2.0.2.tgz",
-      "integrity": "sha1-riig1y+TvyJCKhii43mZMRLeyOg=",
-      "dev": true,
-      "requires": {
-        "define-property": "0.2.5",
-        "isobject": "3.0.1",
-        "lazy-cache": "2.0.2"
-      },
-      "dependencies": {
-        "define-property": {
-          "version": "0.2.5",
-          "resolved": "https://registry.npmjs.org/define-property/-/define-property-0.2.5.tgz",
-          "integrity": "sha1-w1se+RjsPJkPmlvFe+BKrOxcgRY=",
-          "dev": true,
-          "requires": {
-            "is-descriptor": "0.1.6"
-          }
-        },
-        "is-accessor-descriptor": {
-          "version": "0.1.6",
-          "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
-          "integrity": "sha1-qeEss66Nh2cn7u84Q/igiXtcmNY=",
-          "dev": true,
-          "requires": {
-            "kind-of": "3.2.2"
-          },
-          "dependencies": {
-            "kind-of": {
-              "version": "3.2.2",
-              "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
-              "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
-              "dev": true,
-              "requires": {
-                "is-buffer": "1.1.6"
-              }
-            }
-          }
-        },
-        "is-data-descriptor": {
-          "version": "0.1.4",
-          "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
-          "integrity": "sha1-C17mSDiOLIYCgueT8YVv7D8wG1Y=",
-          "dev": true,
-          "requires": {
-            "kind-of": "3.2.2"
-          },
-          "dependencies": {
-            "kind-of": {
-              "version": "3.2.2",
-              "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
-              "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
-              "dev": true,
-              "requires": {
-                "is-buffer": "1.1.6"
-              }
-            }
-          }
-        },
-        "is-descriptor": {
-          "version": "0.1.6",
-          "resolved": "https://registry.npmjs.org/is-descriptor/-/is-descriptor-0.1.6.tgz",
-          "integrity": "sha512-avDYr0SB3DwO9zsMov0gKCESFYqCnE4hq/4z3TdUlukEy5t9C0YRq7HLrsN52NAcqXKaepeCD0n+B0arnVG3Hg==",
-          "dev": true,
-          "requires": {
-            "is-accessor-descriptor": "0.1.6",
-            "is-data-descriptor": "0.1.4",
-            "kind-of": "5.1.0"
-          }
-        },
-        "kind-of": {
-          "version": "5.1.0",
-          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-5.1.0.tgz",
-          "integrity": "sha512-NGEErnH6F2vUuXDh+OlbcKW7/wOcfdRHaZ7VWtqCztfHri/++YKmP51OdWeGPuqCOba6kk2OTe5d02VmTB80Pw==",
-          "dev": true
-        }
-      }
-    },
-    "user-home": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/user-home/-/user-home-1.1.1.tgz",
-      "integrity": "sha1-K1viOjK2Onyd640PKNSFcko98ZA=",
-      "dev": true
-    },
     "useragent": {
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/useragent/-/useragent-2.2.1.tgz",
@@ -11099,16 +7660,6 @@
       "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
       "dev": true
     },
-    "util.promisify": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/util.promisify/-/util.promisify-1.0.0.tgz",
-      "integrity": "sha512-i+6qA2MPhvoKLuxnJNpXAGhg7HphQOSUq2LKMZD0m15EiskXUkMvKdF4Uui0WYeCUGea+o2cw/ZuwehtfsrNkA==",
-      "dev": true,
-      "requires": {
-        "define-properties": "1.1.2",
-        "object.getownpropertydescriptors": "2.0.3"
-      }
-    },
     "utils-merge": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
@@ -11128,15 +7679,6 @@
       "dev": true,
       "optional": true
     },
-    "v8flags": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/v8flags/-/v8flags-2.1.1.tgz",
-      "integrity": "sha1-qrGh+jDUX4jdMhFIh1rALAtV5bQ=",
-      "dev": true,
-      "requires": {
-        "user-home": "1.1.1"
-      }
-    },
     "verror": {
       "version": "1.10.0",
       "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
@@ -11148,85 +7690,6 @@
         "extsprintf": "1.3.0"
       }
     },
-    "vinyl": {
-      "version": "0.5.3",
-      "resolved": "https://registry.npmjs.org/vinyl/-/vinyl-0.5.3.tgz",
-      "integrity": "sha1-sEVbOPxeDPMNQyUTLkYZcMIJHN4=",
-      "dev": true,
-      "requires": {
-        "clone": "1.0.3",
-        "clone-stats": "0.0.1",
-        "replace-ext": "0.0.1"
-      }
-    },
-    "vinyl-fs": {
-      "version": "0.3.14",
-      "resolved": "https://registry.npmjs.org/vinyl-fs/-/vinyl-fs-0.3.14.tgz",
-      "integrity": "sha1-mmhRzhysHBzqX+hsCTHWIMLPqeY=",
-      "dev": true,
-      "requires": {
-        "defaults": "1.0.3",
-        "glob-stream": "3.1.18",
-        "glob-watcher": "0.0.6",
-        "graceful-fs": "3.0.11",
-        "mkdirp": "0.5.1",
-        "strip-bom": "1.0.0",
-        "through2": "0.6.5",
-        "vinyl": "0.4.6"
-      },
-      "dependencies": {
-        "clone": {
-          "version": "0.2.0",
-          "resolved": "https://registry.npmjs.org/clone/-/clone-0.2.0.tgz",
-          "integrity": "sha1-xhJqkK1Pctv1rNskPMN3JP6T/B8=",
-          "dev": true
-        },
-        "isarray": {
-          "version": "0.0.1",
-          "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
-          "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=",
-          "dev": true
-        },
-        "readable-stream": {
-          "version": "1.0.34",
-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
-          "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
-          "dev": true,
-          "requires": {
-            "core-util-is": "1.0.2",
-            "inherits": "2.0.1",
-            "isarray": "0.0.1",
-            "string_decoder": "0.10.31"
-          }
-        },
-        "string_decoder": {
-          "version": "0.10.31",
-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
-          "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
-          "dev": true
-        },
-        "through2": {
-          "version": "0.6.5",
-          "resolved": "https://registry.npmjs.org/through2/-/through2-0.6.5.tgz",
-          "integrity": "sha1-QaucZ7KdVyCQcUEOHXp6lozTrUg=",
-          "dev": true,
-          "requires": {
-            "readable-stream": "1.0.34",
-            "xtend": "4.0.1"
-          }
-        },
-        "vinyl": {
-          "version": "0.4.6",
-          "resolved": "https://registry.npmjs.org/vinyl/-/vinyl-0.4.6.tgz",
-          "integrity": "sha1-LzVsh6VQolVGHza76ypbqL94SEc=",
-          "dev": true,
-          "requires": {
-            "clone": "0.2.0",
-            "clone-stats": "0.0.1"
-          }
-        }
-      }
-    },
     "vm-browserify": {
       "version": "0.0.4",
       "resolved": "https://registry.npmjs.org/vm-browserify/-/vm-browserify-0.0.4.tgz",
@@ -11306,15 +7769,6 @@
       "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68=",
       "dev": true
     },
-    "yargs-parser": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-5.0.0.tgz",
-      "integrity": "sha1-J17PDX/+Bcd+ZOfIbkzZS/DhIoo=",
-      "dev": true,
-      "requires": {
-        "camelcase": "3.0.0"
-      }
-    },
     "yeast": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/yeast/-/yeast-0.1.2.tgz",
diff --git a/package.json b/package.json
index 7e2f551..56ed43d 100644
--- a/package.json
+++ b/package.json
@@ -3,25 +3,24 @@
   "version": "0.1.9",
   "description": "A simple, safe, and powerful JavaScript Bitcoin Cash library.",
   "author": "Emilio Almansi <hi@ealmansi.com>",
-  "main": "lib/bitcoincash.js",
+  "main": "src/bitcoincash.js",
   "files": [
-    "lib/",
+    "src/",
     "dist/"
   ],
   "scripts": {
-    "build": "npm install && npx gulp build",
-    "build:node": "npm install && npx gulp build:node",
-    "build:browser": "npm install && npx gulp build:browser",
-    "build:test": "npm install && npx gulp build:test",
-    "test": "npm install && npx gulp test",
-    "test:all": "npm install && npx gulp test:all",
-    "test:node": "npm install && npx gulp test:node",
-    "test:browser": "npm install && npx gulp test:browser",
-    "lint": "npm install && npx gulp lint",
-    "coveralls": "npm install && npx gulp coveralls",
-    "preversion": "npm install && npm test",
-    "version": "npm install && npx gulp version",
-    "postversion": "npm install && npx gulp postversion",
+    "build": "node scripts/build.js",
+    "build:tests": "node scripts/build-tests.js",
+    "test": "npm run test:node",
+    "test:all": "npm run test:node && npm run test:browser",
+    "test:node": "nyc --reporter=html --reporter=text mocha",
+    "test:browser": "npm run build:tests && karma start",
+    "lint": "node scripts/lint.js",
+    "coveralls": "nyc report --reporter=text-lcov | coveralls",
+    "preversion": "npm test",
+    "readme": "mustache package.json README.tpl.md > README.md",
+    "version": "npm run build && npm run readme && git add -A dist README.md",
+    "postversion": "git push && git push --tags && npm publish",
     "bump": "npm version patch -m 'Bump version to %s.'"
   },
   "keywords": [
@@ -52,24 +51,17 @@
     "bn.js": "=2.0.4",
     "bs58": "=2.0.0",
     "buffer-compare": "=1.0.0",
-    "cashaddrjs": "^0.1.4",
+    "cashaddrjs": "^0.2.8",
     "elliptic": "=3.0.3",
     "inherits": "=2.0.1",
     "lodash": "^4.17.4",
     "unorm": "^1.4.1"
   },
   "devDependencies": {
-    "babel-cli": "^6.26.0",
-    "babel-core": "^6.26.0",
-    "babel-minify": "^0.2.0",
-    "babel-preset-env": "^1.6.1",
-    "babelify": "^8.0.0",
     "brfs": "^1.4.3",
     "browserify": "^14.5.0",
     "chai": "^1.10.0",
     "coveralls": "^3.0.0",
-    "gulp": "^3.8.10",
-    "gulp-shell": "^0.6.5",
     "jsdoc": "^3.5.5",
     "jshint": "^2.9.5",
     "karma": "^2.0.0",
@@ -80,7 +72,7 @@
     "mocha": "^4.1.0",
     "mustache": "^2.3.0",
     "nyc": "^11.4.1",
-    "run-sequence": "^2.2.0",
+    "shelljs": "^0.8.0",
     "sinon": "^1.13.0",
     "uglify-js": "^3.3.4"
   },
diff --git a/scripts/build-tests.js b/scripts/build-tests.js
new file mode 100644
index 0000000..f393028
--- /dev/null
+++ b/scripts/build-tests.js
@@ -0,0 +1,18 @@
+/**
+ * @license
+ * https://github.com/bitcoincashjs/bitcoincashjs
+ * Copyright (c) 2018 Emilio Almansi
+ * Distributed under the MIT software license, see the accompanying
+ * file LICENSE or http://www.opensource.org/licenses/mit-license.php.
+ */
+
+var shell = require('shelljs')
+shell.config.fatal = true
+
+shell.rm('-rf', '.build')
+shell.mkdir('-p', '.build')
+
+shell.exec('find test/ -type f -name "*.js"', { silent: true })
+  .exec('xargs npx browserify -t brfs', { silent: true })
+  .to('.build/tests.js')
+shell.echo('Generated file: .build/tests.js.')
diff --git a/scripts/build.js b/scripts/build.js
new file mode 100644
index 0000000..29227d5
--- /dev/null
+++ b/scripts/build.js
@@ -0,0 +1,23 @@
+/**
+ * @license
+ * https://github.com/bitcoincashjs/bitcoincashjs
+ * Copyright (c) 2018 Emilio Almansi
+ * Distributed under the MIT software license, see the accompanying
+ * file LICENSE or http://www.opensource.org/licenses/mit-license.php.
+ */
+
+var shell = require('shelljs')
+shell.config.fatal = true
+var version = require('../package.json').version
+
+shell.rm('-rf', 'dist')
+shell.mkdir('-p', 'dist')
+
+shell.exec('npx browserify src/bitcoincash.js --s bch', { silent: true })
+  .to('dist/bitcoincash-' + version + '.js')
+shell.echo('Generated file: dist/bitcoincash-' + version + '.js.')
+
+shell.cp('LICENSE.js', 'dist/bitcoincash-' + version + '.min.js')
+shell.exec('cat dist/bitcoincash-' + version + '.js | npx uglifyjs -c', { silent: true })
+  .toEnd('dist/bitcoincash-' + version + '.min.js')
+shell.echo('Generated file: dist/bitcoincash-' + version + '.min.js.')
diff --git a/scripts/lint.js b/scripts/lint.js
new file mode 100644
index 0000000..38d0ae5
--- /dev/null
+++ b/scripts/lint.js
@@ -0,0 +1,13 @@
+/**
+ * @license
+ * https://github.com/bitcoincashjs/bitcoincashjs
+ * Copyright (c) 2018 Emilio Almansi
+ * Distributed under the MIT software license, see the accompanying
+ * file LICENSE or http://www.opensource.org/licenses/mit-license.php.
+ */
+
+var shell = require('shelljs')
+shell.config.fatal = false
+
+shell.exec('find src/ test/ scripts/ -type f -name "*.js"', { silent: true })
+  .exec('xargs npx jshint')
diff --git a/src/address.js b/src/address.js
index 37a7a23..b53636e 100644
--- a/src/address.js
+++ b/src/address.js
@@ -10,8 +10,8 @@ var Hash = require('./crypto/hash');
 var JSUtil = require('./util/js');
 var PublicKey = require('./publickey');
 
-const BITPAY_P2PKH_VERSION_BYTE = 28;
-const BITPAY_P2SH_VERSION_BYTE = 40;
+var BITPAY_P2PKH_VERSION_BYTE = 28;
+var BITPAY_P2SH_VERSION_BYTE = 40;
 
 /**
  * Instantiate an address from an address String or Buffer, a public key or script hash Buffer,
@@ -312,7 +312,7 @@ Address._transformString = function(data, network, type, format) {
  * @private
  */
 Address._transformStringLegacy = function(data, network, type) {
-  const addressBuffer = Base58Check.decode(data);
+  var addressBuffer = Base58Check.decode(data);
   return Address._transformBuffer(addressBuffer, network, type);
 };
 
@@ -326,7 +326,7 @@ Address._transformStringLegacy = function(data, network, type) {
  * @private
  */
 Address._transformStringBitpay = function(data, network, type) {
-  const addressBuffer = Base58Check.decode(data);
+  var addressBuffer = Base58Check.decode(data);
   if (addressBuffer[0] === BITPAY_P2PKH_VERSION_BYTE) {
     addressBuffer[0] = 0;
   }
@@ -604,7 +604,7 @@ Address.prototype._toStringLegacy = function() {
  * @returns {string} Bitcoin address
  */
 Address.prototype._toStringBitpay = function() {
-  let buffer = this.toBuffer();
+  var buffer = this.toBuffer();
   if (this.network.toString() === 'livenet') {
     if (this.type === Address.PayToPublicKeyHash) {
       buffer[0] = BITPAY_P2PKH_VERSION_BYTE;
@@ -622,10 +622,9 @@ Address.prototype._toStringBitpay = function() {
  * @returns {string} Bitcoin address
  */
 Address.prototype._toStringCashAddr = function() {
-  const prefix = this.network.toString() === 'livenet' ? 'bitcoincash' : 'bchtest';
-  const type = this.type === Address.PayToPublicKeyHash ? 'P2PKH' : 'P2SH';
-  const hash = [...this.hashBuffer];
-  return cashaddr.encode(prefix, type, hash);
+  var prefix = this.network.toString() === 'livenet' ? 'bitcoincash' : 'bchtest';
+  var type = this.type === Address.PayToPublicKeyHash ? 'P2PKH' : 'P2SH';
+  return cashaddr.encode(prefix, type, this.hashBuffer);
 }
 
 /**
diff --git a/src/bitcoincash.js b/src/bitcoincash.js
index a4902b5..dc8b3ad 100644
--- a/src/bitcoincash.js
+++ b/src/bitcoincash.js
@@ -1,12 +1,12 @@
 'use strict';
 
-const bch = module.exports;
+var bch = module.exports;
 
 // module information
 bch.version = 'v' + require('../package.json').version;
 bch.versionGuard = function(version) {
   if (version !== undefined) {
-    const message = 'More than one instance of bitcoincashjs found. ' +
+    var message = 'More than one instance of bitcoincashjs found. ' +
       'Please make sure to require bitcoincashjs and check that submodules do' +
       ' not also include their own bitcoincashjs dependency.';
     throw new Error(message);
diff --git a/test/index.html b/test/index.html
index 85039d3..d5f39d2 100644
--- a/test/index.html
+++ b/test/index.html
@@ -10,7 +10,7 @@
     <div id="mocha"></div>
     <script src="../node_modules/mocha/mocha.js"></script>
     <script>mocha.setup('bdd')</script>
-    <script src="../build/tests.js"></script>
+    <script src="../.build/tests.js"></script>
     <script>
       mocha.run();
     </script>