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5548 lines
166 KiB
5548 lines
166 KiB
require=(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){
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/*
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This file is part of ethereum.js.
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|
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ethereum.js is free software: you can redistribute it and/or modify
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|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
ethereum.js is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
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|
along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
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*/
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|
/** @file abi.js
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* @authors:
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* Marek Kotewicz <marek@ethdev.com>
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* Gav Wood <g@ethdev.com>
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* @date 2014
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*/
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|
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var utils = require('../utils/utils');
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var c = require('../utils/config');
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var types = require('./types');
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var f = require('./formatters');
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|
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/**
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* throw incorrect type error
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*
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* @method throwTypeError
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* @param {String} type
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* @throws incorrect type error
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*/
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var throwTypeError = function (type) {
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throw new Error('parser does not support type: ' + type);
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};
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/** This method should be called if we want to check if givent type is an array type
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*
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* @method isArrayType
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* @param {String} type name
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* @returns {Boolean} true if it is, otherwise false
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*/
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var isArrayType = function (type) {
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return type.slice(-2) === '[]';
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};
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/**
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* This method should be called to return dynamic type length in hex
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*
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* @method dynamicTypeBytes
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* @param {String} type
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* @param {String|Array} dynamic type
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* @return {String} length of dynamic type in hex or empty string if type is not dynamic
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*/
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var dynamicTypeBytes = function (type, value) {
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// TODO: decide what to do with array of strings
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if (isArrayType(type) || type === 'bytes')
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return f.formatInputInt(value.length);
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return "";
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};
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var inputTypes = types.inputTypes();
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/**
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* Formats input params to bytes
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*
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* @method formatInput
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* @param {Array} abi inputs of method
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* @param {Array} params that will be formatted to bytes
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* @returns bytes representation of input params
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*/
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var formatInput = function (inputs, params) {
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var bytes = "";
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var toAppendConstant = "";
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var toAppendArrayContent = "";
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/// first we iterate in search for dynamic
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inputs.forEach(function (input, index) {
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bytes += dynamicTypeBytes(input.type, params[index]);
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});
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inputs.forEach(function (input, i) {
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/*jshint maxcomplexity:5 */
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var typeMatch = false;
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for (var j = 0; j < inputTypes.length && !typeMatch; j++) {
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typeMatch = inputTypes[j].type(inputs[i].type, params[i]);
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}
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if (!typeMatch) {
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throwTypeError(inputs[i].type);
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}
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var formatter = inputTypes[j - 1].format;
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if (isArrayType(inputs[i].type))
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toAppendArrayContent += params[i].reduce(function (acc, curr) {
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return acc + formatter(curr);
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}, "");
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else if (inputs[i].type === 'bytes')
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toAppendArrayContent += formatter(params[i]);
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else
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toAppendConstant += formatter(params[i]);
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});
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bytes += toAppendConstant + toAppendArrayContent;
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return bytes;
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};
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/**
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* This method should be called to predict the length of dynamic type
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*
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* @method dynamicBytesLength
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* @param {String} type
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* @returns {Number} length of dynamic type, 0 or multiplication of ETH_PADDING (32)
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*/
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var dynamicBytesLength = function (type) {
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if (isArrayType(type) || type === 'bytes')
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return c.ETH_PADDING * 2;
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return 0;
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};
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var outputTypes = types.outputTypes();
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/**
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* Formats output bytes back to param list
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*
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* @method formatOutput
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* @param {Array} abi outputs of method
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* @param {String} bytes represention of output
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* @returns {Array} output params
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*/
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var formatOutput = function (outs, output) {
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output = output.slice(2);
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var result = [];
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var padding = c.ETH_PADDING * 2;
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var dynamicPartLength = outs.reduce(function (acc, curr) {
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return acc + dynamicBytesLength(curr.type);
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}, 0);
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var dynamicPart = output.slice(0, dynamicPartLength);
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output = output.slice(dynamicPartLength);
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outs.forEach(function (out, i) {
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/*jshint maxcomplexity:6 */
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var typeMatch = false;
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for (var j = 0; j < outputTypes.length && !typeMatch; j++) {
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typeMatch = outputTypes[j].type(outs[i].type);
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}
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if (!typeMatch) {
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throwTypeError(outs[i].type);
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}
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var formatter = outputTypes[j - 1].format;
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if (isArrayType(outs[i].type)) {
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var size = f.formatOutputUInt(dynamicPart.slice(0, padding));
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dynamicPart = dynamicPart.slice(padding);
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var array = [];
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for (var k = 0; k < size; k++) {
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array.push(formatter(output.slice(0, padding)));
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output = output.slice(padding);
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}
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result.push(array);
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}
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else if (types.prefixedType('bytes')(outs[i].type)) {
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dynamicPart = dynamicPart.slice(padding);
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result.push(formatter(output.slice(0, padding)));
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output = output.slice(padding);
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} else {
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result.push(formatter(output.slice(0, padding)));
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output = output.slice(padding);
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}
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});
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return result;
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|
};
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/**
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|
* Should be called to create input parser for contract with given abi
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|
*
|
|
* @method inputParser
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|
* @param {Array} contract abi
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|
* @returns {Object} input parser object for given json abi
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* TODO: refactor creating the parser, do not double logic from contract
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*/
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var inputParser = function (json) {
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var parser = {};
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json.forEach(function (method) {
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var displayName = utils.extractDisplayName(method.name);
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var typeName = utils.extractTypeName(method.name);
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var impl = function () {
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var params = Array.prototype.slice.call(arguments);
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return formatInput(method.inputs, params);
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};
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if (parser[displayName] === undefined) {
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parser[displayName] = impl;
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|
}
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parser[displayName][typeName] = impl;
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});
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return parser;
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|
};
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|
/**
|
|
* Should be called to create output parser for contract with given abi
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|
*
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|
* @method outputParser
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|
* @param {Array} contract abi
|
|
* @returns {Object} output parser for given json abi
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|
*/
|
|
var outputParser = function (json) {
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|
var parser = {};
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|
json.forEach(function (method) {
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|
|
var displayName = utils.extractDisplayName(method.name);
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|
var typeName = utils.extractTypeName(method.name);
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|
|
var impl = function (output) {
|
|
return formatOutput(method.outputs, output);
|
|
};
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|
|
if (parser[displayName] === undefined) {
|
|
parser[displayName] = impl;
|
|
}
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|
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parser[displayName][typeName] = impl;
|
|
});
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|
|
return parser;
|
|
};
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|
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module.exports = {
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|
inputParser: inputParser,
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|
outputParser: outputParser,
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formatInput: formatInput,
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formatOutput: formatOutput
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|
};
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},{"../utils/config":6,"../utils/utils":7,"./formatters":2,"./types":3}],2:[function(require,module,exports){
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|
/*
|
|
This file is part of ethereum.js.
|
|
|
|
ethereum.js is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
ethereum.js is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/** @file formatters.js
|
|
* @authors:
|
|
* Marek Kotewicz <marek@ethdev.com>
|
|
* @date 2015
|
|
*/
|
|
|
|
var BigNumber = require('bignumber.js');
|
|
var utils = require('../utils/utils');
|
|
var c = require('../utils/config');
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|
|
|
/**
|
|
* Formats input value to byte representation of int
|
|
* If value is negative, return it's two's complement
|
|
* If the value is floating point, round it down
|
|
*
|
|
* @method formatInputInt
|
|
* @param {String|Number|BigNumber} value that needs to be formatted
|
|
* @returns {String} right-aligned byte representation of int
|
|
*/
|
|
var formatInputInt = function (value) {
|
|
var padding = c.ETH_PADDING * 2;
|
|
BigNumber.config(c.ETH_BIGNUMBER_ROUNDING_MODE);
|
|
return utils.padLeft(utils.toTwosComplement(value).round().toString(16), padding);
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|
};
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|
|
/**
|
|
* Formats input value to byte representation of string
|
|
*
|
|
* @method formatInputString
|
|
* @param {String}
|
|
* @returns {String} left-algined byte representation of string
|
|
*/
|
|
var formatInputString = function (value) {
|
|
return utils.fromAscii(value, c.ETH_PADDING).substr(2);
|
|
};
|
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|
|
/**
|
|
* Formats input value to byte representation of bool
|
|
*
|
|
* @method formatInputBool
|
|
* @param {Boolean}
|
|
* @returns {String} right-aligned byte representation bool
|
|
*/
|
|
var formatInputBool = function (value) {
|
|
return '000000000000000000000000000000000000000000000000000000000000000' + (value ? '1' : '0');
|
|
};
|
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|
|
/**
|
|
* Formats input value to byte representation of real
|
|
* Values are multiplied by 2^m and encoded as integers
|
|
*
|
|
* @method formatInputReal
|
|
* @param {String|Number|BigNumber}
|
|
* @returns {String} byte representation of real
|
|
*/
|
|
var formatInputReal = function (value) {
|
|
return formatInputInt(new BigNumber(value).times(new BigNumber(2).pow(128)));
|
|
};
|
|
|
|
/**
|
|
* Check if input value is negative
|
|
*
|
|
* @method signedIsNegative
|
|
* @param {String} value is hex format
|
|
* @returns {Boolean} true if it is negative, otherwise false
|
|
*/
|
|
var signedIsNegative = function (value) {
|
|
return (new BigNumber(value.substr(0, 1), 16).toString(2).substr(0, 1)) === '1';
|
|
};
|
|
|
|
/**
|
|
* Formats right-aligned output bytes to int
|
|
*
|
|
* @method formatOutputInt
|
|
* @param {String} bytes
|
|
* @returns {BigNumber} right-aligned output bytes formatted to big number
|
|
*/
|
|
var formatOutputInt = function (value) {
|
|
|
|
value = value || "0";
|
|
|
|
// check if it's negative number
|
|
// it it is, return two's complement
|
|
if (signedIsNegative(value)) {
|
|
return new BigNumber(value, 16).minus(new BigNumber('ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff', 16)).minus(1);
|
|
}
|
|
return new BigNumber(value, 16);
|
|
};
|
|
|
|
/**
|
|
* Formats right-aligned output bytes to uint
|
|
*
|
|
* @method formatOutputUInt
|
|
* @param {String} bytes
|
|
* @returns {BigNumeber} right-aligned output bytes formatted to uint
|
|
*/
|
|
var formatOutputUInt = function (value) {
|
|
value = value || "0";
|
|
return new BigNumber(value, 16);
|
|
};
|
|
|
|
/**
|
|
* Formats right-aligned output bytes to real
|
|
*
|
|
* @method formatOutputReal
|
|
* @param {String}
|
|
* @returns {BigNumber} input bytes formatted to real
|
|
*/
|
|
var formatOutputReal = function (value) {
|
|
return formatOutputInt(value).dividedBy(new BigNumber(2).pow(128));
|
|
};
|
|
|
|
/**
|
|
* Formats right-aligned output bytes to ureal
|
|
*
|
|
* @method formatOutputUReal
|
|
* @param {String}
|
|
* @returns {BigNumber} input bytes formatted to ureal
|
|
*/
|
|
var formatOutputUReal = function (value) {
|
|
return formatOutputUInt(value).dividedBy(new BigNumber(2).pow(128));
|
|
};
|
|
|
|
/**
|
|
* Should be used to format output hash
|
|
*
|
|
* @method formatOutputHash
|
|
* @param {String}
|
|
* @returns {String} right-aligned output bytes formatted to hex
|
|
*/
|
|
var formatOutputHash = function (value) {
|
|
return "0x" + value;
|
|
};
|
|
|
|
/**
|
|
* Should be used to format output bool
|
|
*
|
|
* @method formatOutputBool
|
|
* @param {String}
|
|
* @returns {Boolean} right-aligned input bytes formatted to bool
|
|
*/
|
|
var formatOutputBool = function (value) {
|
|
return value === '0000000000000000000000000000000000000000000000000000000000000001' ? true : false;
|
|
};
|
|
|
|
/**
|
|
* Should be used to format output string
|
|
*
|
|
* @method formatOutputString
|
|
* @param {Sttring} left-aligned hex representation of string
|
|
* @returns {String} ascii string
|
|
*/
|
|
var formatOutputString = function (value) {
|
|
return utils.toAscii(value);
|
|
};
|
|
|
|
/**
|
|
* Should be used to format output address
|
|
*
|
|
* @method formatOutputAddress
|
|
* @param {String} right-aligned input bytes
|
|
* @returns {String} address
|
|
*/
|
|
var formatOutputAddress = function (value) {
|
|
return "0x" + value.slice(value.length - 40, value.length);
|
|
};
|
|
|
|
module.exports = {
|
|
formatInputInt: formatInputInt,
|
|
formatInputString: formatInputString,
|
|
formatInputBool: formatInputBool,
|
|
formatInputReal: formatInputReal,
|
|
formatOutputInt: formatOutputInt,
|
|
formatOutputUInt: formatOutputUInt,
|
|
formatOutputReal: formatOutputReal,
|
|
formatOutputUReal: formatOutputUReal,
|
|
formatOutputHash: formatOutputHash,
|
|
formatOutputBool: formatOutputBool,
|
|
formatOutputString: formatOutputString,
|
|
formatOutputAddress: formatOutputAddress
|
|
};
|
|
|
|
|
|
},{"../utils/config":6,"../utils/utils":7,"bignumber.js":"bignumber.js"}],3:[function(require,module,exports){
|
|
/*
|
|
This file is part of ethereum.js.
|
|
|
|
ethereum.js is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
ethereum.js is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/** @file types.js
|
|
* @authors:
|
|
* Marek Kotewicz <marek@ethdev.com>
|
|
* @date 2015
|
|
*/
|
|
|
|
var f = require('./formatters');
|
|
|
|
/// @param expected type prefix (string)
|
|
/// @returns function which checks if type has matching prefix. if yes, returns true, otherwise false
|
|
var prefixedType = function (prefix) {
|
|
return function (type) {
|
|
return type.indexOf(prefix) === 0;
|
|
};
|
|
};
|
|
|
|
/// @param expected type name (string)
|
|
/// @returns function which checks if type is matching expected one. if yes, returns true, otherwise false
|
|
var namedType = function (name) {
|
|
return function (type) {
|
|
return name === type;
|
|
};
|
|
};
|
|
|
|
/// Setups input formatters for solidity types
|
|
/// @returns an array of input formatters
|
|
var inputTypes = function () {
|
|
|
|
return [
|
|
{ type: prefixedType('uint'), format: f.formatInputInt },
|
|
{ type: prefixedType('int'), format: f.formatInputInt },
|
|
{ type: prefixedType('bytes'), format: f.formatInputString },
|
|
{ type: prefixedType('real'), format: f.formatInputReal },
|
|
{ type: prefixedType('ureal'), format: f.formatInputReal },
|
|
{ type: namedType('address'), format: f.formatInputInt },
|
|
{ type: namedType('bool'), format: f.formatInputBool }
|
|
];
|
|
};
|
|
|
|
/// Setups output formaters for solidity types
|
|
/// @returns an array of output formatters
|
|
var outputTypes = function () {
|
|
|
|
return [
|
|
{ type: prefixedType('uint'), format: f.formatOutputUInt },
|
|
{ type: prefixedType('int'), format: f.formatOutputInt },
|
|
{ type: prefixedType('bytes'), format: f.formatOutputString },
|
|
{ type: prefixedType('real'), format: f.formatOutputReal },
|
|
{ type: prefixedType('ureal'), format: f.formatOutputUReal },
|
|
{ type: namedType('address'), format: f.formatOutputAddress },
|
|
{ type: namedType('bool'), format: f.formatOutputBool }
|
|
];
|
|
};
|
|
|
|
module.exports = {
|
|
prefixedType: prefixedType,
|
|
namedType: namedType,
|
|
inputTypes: inputTypes,
|
|
outputTypes: outputTypes
|
|
};
|
|
|
|
|
|
},{"./formatters":2}],4:[function(require,module,exports){
|
|
'use strict';
|
|
|
|
module.exports = BigNumber; // jshint ignore:line
|
|
|
|
|
|
},{}],5:[function(require,module,exports){
|
|
'use strict';
|
|
|
|
// go env doesn't have and need XMLHttpRequest
|
|
if (typeof XMLHttpRequest === 'undefined') {
|
|
exports.XMLHttpRequest = {};
|
|
} else {
|
|
exports.XMLHttpRequest = XMLHttpRequest; // jshint ignore:line
|
|
}
|
|
|
|
|
|
},{}],6:[function(require,module,exports){
|
|
/*
|
|
This file is part of ethereum.js.
|
|
|
|
ethereum.js is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
ethereum.js is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/** @file config.js
|
|
* @authors:
|
|
* Marek Kotewicz <marek@ethdev.com>
|
|
* @date 2015
|
|
*/
|
|
|
|
/**
|
|
* Utils
|
|
*
|
|
* @module utils
|
|
*/
|
|
|
|
/**
|
|
* Utility functions
|
|
*
|
|
* @class [utils] config
|
|
* @constructor
|
|
*/
|
|
|
|
/// required to define ETH_BIGNUMBER_ROUNDING_MODE
|
|
var BigNumber = require('bignumber.js');
|
|
|
|
var ETH_UNITS = [
|
|
'wei',
|
|
'Kwei',
|
|
'Mwei',
|
|
'Gwei',
|
|
'szabo',
|
|
'finney',
|
|
'ether',
|
|
'grand',
|
|
'Mether',
|
|
'Gether',
|
|
'Tether',
|
|
'Pether',
|
|
'Eether',
|
|
'Zether',
|
|
'Yether',
|
|
'Nether',
|
|
'Dether',
|
|
'Vether',
|
|
'Uether'
|
|
];
|
|
|
|
module.exports = {
|
|
ETH_PADDING: 32,
|
|
ETH_SIGNATURE_LENGTH: 4,
|
|
ETH_UNITS: ETH_UNITS,
|
|
ETH_BIGNUMBER_ROUNDING_MODE: { ROUNDING_MODE: BigNumber.ROUND_DOWN },
|
|
ETH_POLLING_TIMEOUT: 1000,
|
|
ETH_DEFAULTBLOCK: 'latest'
|
|
};
|
|
|
|
|
|
},{"bignumber.js":"bignumber.js"}],7:[function(require,module,exports){
|
|
/*
|
|
This file is part of ethereum.js.
|
|
|
|
ethereum.js is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
ethereum.js is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/** @file utils.js
|
|
* @authors:
|
|
* Marek Kotewicz <marek@ethdev.com>
|
|
* @date 2015
|
|
*/
|
|
|
|
/**
|
|
* Utils
|
|
*
|
|
* @module utils
|
|
*/
|
|
|
|
/**
|
|
* Utility functions
|
|
*
|
|
* @class [utils] utils
|
|
* @constructor
|
|
*/
|
|
|
|
var BigNumber = require('bignumber.js');
|
|
|
|
var unitMap = {
|
|
'wei': '1',
|
|
'kwei': '1000',
|
|
'ada': '1000',
|
|
'mwei': '1000000',
|
|
'babbage': '1000000',
|
|
'gwei': '1000000000',
|
|
'shannon': '1000000000',
|
|
'szabo': '1000000000000',
|
|
'finney': '1000000000000000',
|
|
'ether': '1000000000000000000',
|
|
'kether': '1000000000000000000000',
|
|
'grand': '1000000000000000000000',
|
|
'einstein': '1000000000000000000000',
|
|
'mether': '1000000000000000000000000',
|
|
'gether': '1000000000000000000000000000',
|
|
'tether': '1000000000000000000000000000000'
|
|
};
|
|
|
|
/**
|
|
* Should be called to pad string to expected length
|
|
*
|
|
* @method padLeft
|
|
* @param {String} string to be padded
|
|
* @param {Number} characters that result string should have
|
|
* @param {String} sign, by default 0
|
|
* @returns {String} right aligned string
|
|
*/
|
|
var padLeft = function (string, chars, sign) {
|
|
return new Array(chars - string.length + 1).join(sign ? sign : "0") + string;
|
|
};
|
|
|
|
/** Finds first index of array element matching pattern
|
|
*
|
|
* @method findIndex
|
|
* @param {Array}
|
|
* @param {Function} pattern
|
|
* @returns {Number} index of element
|
|
*/
|
|
var findIndex = function (array, callback) {
|
|
var end = false;
|
|
var i = 0;
|
|
for (; i < array.length && !end; i++) {
|
|
end = callback(array[i]);
|
|
}
|
|
return end ? i - 1 : -1;
|
|
};
|
|
|
|
/**
|
|
* Should be called to get sting from it's hex representation
|
|
*
|
|
* @method toAscii
|
|
* @param {String} string in hex
|
|
* @returns {String} ascii string representation of hex value
|
|
*/
|
|
var toAscii = function(hex) {
|
|
// Find termination
|
|
var str = "";
|
|
var i = 0, l = hex.length;
|
|
if (hex.substring(0, 2) === '0x') {
|
|
i = 2;
|
|
}
|
|
for (; i < l; i+=2) {
|
|
var code = parseInt(hex.substr(i, 2), 16);
|
|
if (code === 0) {
|
|
break;
|
|
}
|
|
|
|
str += String.fromCharCode(code);
|
|
}
|
|
|
|
return str;
|
|
};
|
|
|
|
/**
|
|
* Shold be called to get hex representation (prefixed by 0x) of ascii string
|
|
*
|
|
* @method fromAscii
|
|
* @param {String} string
|
|
* @returns {String} hex representation of input string
|
|
*/
|
|
var toHexNative = function(str) {
|
|
var hex = "";
|
|
for(var i = 0; i < str.length; i++) {
|
|
var n = str.charCodeAt(i).toString(16);
|
|
hex += n.length < 2 ? '0' + n : n;
|
|
}
|
|
|
|
return hex;
|
|
};
|
|
|
|
/**
|
|
* Shold be called to get hex representation (prefixed by 0x) of ascii string
|
|
*
|
|
* @method fromAscii
|
|
* @param {String} string
|
|
* @param {Number} optional padding
|
|
* @returns {String} hex representation of input string
|
|
*/
|
|
var fromAscii = function(str, pad) {
|
|
pad = pad === undefined ? 0 : pad;
|
|
var hex = toHexNative(str);
|
|
while (hex.length < pad*2)
|
|
hex += "00";
|
|
return "0x" + hex;
|
|
};
|
|
|
|
/**
|
|
* Should be called to get display name of contract function
|
|
*
|
|
* @method extractDisplayName
|
|
* @param {String} name of function/event
|
|
* @returns {String} display name for function/event eg. multiply(uint256) -> multiply
|
|
*/
|
|
var extractDisplayName = function (name) {
|
|
var length = name.indexOf('(');
|
|
return length !== -1 ? name.substr(0, length) : name;
|
|
};
|
|
|
|
/// @returns overloaded part of function/event name
|
|
var extractTypeName = function (name) {
|
|
/// TODO: make it invulnerable
|
|
var length = name.indexOf('(');
|
|
return length !== -1 ? name.substr(length + 1, name.length - 1 - (length + 1)).replace(' ', '') : "";
|
|
};
|
|
|
|
/**
|
|
* Filters all functions from input abi
|
|
*
|
|
* @method filterFunctions
|
|
* @param {Array} abi
|
|
* @returns {Array} abi array with filtered objects of type 'function'
|
|
*/
|
|
var filterFunctions = function (json) {
|
|
return json.filter(function (current) {
|
|
return current.type === 'function';
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Filters all events from input abi
|
|
*
|
|
* @method filterEvents
|
|
* @param {Array} abi
|
|
* @returns {Array} abi array with filtered objects of type 'event'
|
|
*/
|
|
var filterEvents = function (json) {
|
|
return json.filter(function (current) {
|
|
return current.type === 'event';
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Converts value to it's decimal representation in string
|
|
*
|
|
* @method toDecimal
|
|
* @param {String|Number|BigNumber}
|
|
* @return {String}
|
|
*/
|
|
var toDecimal = function (value) {
|
|
return toBigNumber(value).toNumber();
|
|
};
|
|
|
|
/**
|
|
* Converts value to it's hex representation
|
|
*
|
|
* @method fromDecimal
|
|
* @param {String|Number|BigNumber}
|
|
* @return {String}
|
|
*/
|
|
var fromDecimal = function (value) {
|
|
var number = toBigNumber(value);
|
|
var result = number.toString(16);
|
|
|
|
return number.lessThan(0) ? '-0x' + result.substr(1) : '0x' + result;
|
|
};
|
|
|
|
/**
|
|
* Auto converts any given value into it's hex representation.
|
|
*
|
|
* And even stringifys objects before.
|
|
*
|
|
* @method toHex
|
|
* @param {String|Number|BigNumber|Object}
|
|
* @return {String}
|
|
*/
|
|
var toHex = function (val) {
|
|
/*jshint maxcomplexity:7 */
|
|
|
|
if (isBoolean(val))
|
|
return fromDecimal(+val);
|
|
|
|
if (isBigNumber(val))
|
|
return fromDecimal(val);
|
|
|
|
if (isObject(val))
|
|
return fromAscii(JSON.stringify(val));
|
|
|
|
// if its a negative number, pass it through fromDecimal
|
|
if (isString(val)) {
|
|
if (val.indexOf('-0x') === 0)
|
|
return fromDecimal(val);
|
|
else if (!isFinite(val))
|
|
return fromAscii(val);
|
|
}
|
|
|
|
return fromDecimal(val);
|
|
};
|
|
|
|
/**
|
|
* Returns value of unit in Wei
|
|
*
|
|
* @method getValueOfUnit
|
|
* @param {String} unit the unit to convert to, default ether
|
|
* @returns {BigNumber} value of the unit (in Wei)
|
|
* @throws error if the unit is not correct:w
|
|
*/
|
|
var getValueOfUnit = function (unit) {
|
|
unit = unit ? unit.toLowerCase() : 'ether';
|
|
var unitValue = unitMap[unit];
|
|
if (unitValue === undefined) {
|
|
throw new Error('This unit doesn\'t exists, please use the one of the following units' + JSON.stringify(unitMap, null, 2));
|
|
}
|
|
return new BigNumber(unitValue, 10);
|
|
};
|
|
|
|
/**
|
|
* Takes a number of wei and converts it to any other ether unit.
|
|
*
|
|
* Possible units are:
|
|
* - kwei/ada
|
|
* - mwei/babbage
|
|
* - gwei/shannon
|
|
* - szabo
|
|
* - finney
|
|
* - ether
|
|
* - kether/grand/einstein
|
|
* - mether
|
|
* - gether
|
|
* - tether
|
|
*
|
|
* @method fromWei
|
|
* @param {Number|String} number can be a number, number string or a HEX of a decimal
|
|
* @param {String} unit the unit to convert to, default ether
|
|
* @return {String|Object} When given a BigNumber object it returns one as well, otherwise a number
|
|
*/
|
|
var fromWei = function(number, unit) {
|
|
var returnValue = toBigNumber(number).dividedBy(getValueOfUnit(unit));
|
|
|
|
return isBigNumber(number) ? returnValue : returnValue.toString(10);
|
|
};
|
|
|
|
/**
|
|
* Takes a number of a unit and converts it to wei.
|
|
*
|
|
* Possible units are:
|
|
* - kwei/ada
|
|
* - mwei/babbage
|
|
* - gwei/shannon
|
|
* - szabo
|
|
* - finney
|
|
* - ether
|
|
* - kether/grand/einstein
|
|
* - mether
|
|
* - gether
|
|
* - tether
|
|
*
|
|
* @method toWei
|
|
* @param {Number|String|BigNumber} number can be a number, number string or a HEX of a decimal
|
|
* @param {String} unit the unit to convert from, default ether
|
|
* @return {String|Object} When given a BigNumber object it returns one as well, otherwise a number
|
|
*/
|
|
var toWei = function(number, unit) {
|
|
var returnValue = toBigNumber(number).times(getValueOfUnit(unit));
|
|
|
|
return isBigNumber(number) ? returnValue : returnValue.toString(10);
|
|
};
|
|
|
|
/**
|
|
* Takes an input and transforms it into an bignumber
|
|
*
|
|
* @method toBigNumber
|
|
* @param {Number|String|BigNumber} a number, string, HEX string or BigNumber
|
|
* @return {BigNumber} BigNumber
|
|
*/
|
|
var toBigNumber = function(number) {
|
|
/*jshint maxcomplexity:5 */
|
|
number = number || 0;
|
|
if (isBigNumber(number))
|
|
return number;
|
|
|
|
if (isString(number) && (number.indexOf('0x') === 0 || number.indexOf('-0x') === 0)) {
|
|
return new BigNumber(number.replace('0x',''), 16);
|
|
}
|
|
|
|
return new BigNumber(number.toString(10), 10);
|
|
};
|
|
|
|
/**
|
|
* Takes and input transforms it into bignumber and if it is negative value, into two's complement
|
|
*
|
|
* @method toTwosComplement
|
|
* @param {Number|String|BigNumber}
|
|
* @return {BigNumber}
|
|
*/
|
|
var toTwosComplement = function (number) {
|
|
var bigNumber = toBigNumber(number);
|
|
if (bigNumber.lessThan(0)) {
|
|
return new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 16).plus(bigNumber).plus(1);
|
|
}
|
|
return bigNumber;
|
|
};
|
|
|
|
/**
|
|
* Checks if the given string has proper length
|
|
*
|
|
* @method isAddress
|
|
* @param {String} address the given HEX adress
|
|
* @return {Boolean}
|
|
*/
|
|
var isAddress = function (address) {
|
|
return /^0x[0-9a-f]{40}$/.test(address);
|
|
};
|
|
|
|
/**
|
|
* Transforms given string to valid 20 bytes-length addres with 0x prefix
|
|
*
|
|
* @method toAddress
|
|
* @param {String} address
|
|
* @return {String} formatted address
|
|
*/
|
|
var toAddress = function (address) {
|
|
if (isAddress(address)) {
|
|
return address;
|
|
}
|
|
|
|
if (/^[0-9a-f]{40}$/.test(address)) {
|
|
return '0x' + address;
|
|
}
|
|
|
|
return '0x' + padLeft(toHex(address).substr(2), 40);
|
|
};
|
|
|
|
/**
|
|
* Returns true if object is BigNumber, otherwise false
|
|
*
|
|
* @method isBigNumber
|
|
* @param {Object}
|
|
* @return {Boolean}
|
|
*/
|
|
var isBigNumber = function (object) {
|
|
return object instanceof BigNumber ||
|
|
(object && object.constructor && object.constructor.name === 'BigNumber');
|
|
};
|
|
|
|
/**
|
|
* Returns true if object is string, otherwise false
|
|
*
|
|
* @method isString
|
|
* @param {Object}
|
|
* @return {Boolean}
|
|
*/
|
|
var isString = function (object) {
|
|
return typeof object === 'string' ||
|
|
(object && object.constructor && object.constructor.name === 'String');
|
|
};
|
|
|
|
/**
|
|
* Returns true if object is function, otherwise false
|
|
*
|
|
* @method isFunction
|
|
* @param {Object}
|
|
* @return {Boolean}
|
|
*/
|
|
var isFunction = function (object) {
|
|
return typeof object === 'function';
|
|
};
|
|
|
|
/**
|
|
* Returns true if object is Objet, otherwise false
|
|
*
|
|
* @method isObject
|
|
* @param {Object}
|
|
* @return {Boolean}
|
|
*/
|
|
var isObject = function (object) {
|
|
return typeof object === 'object';
|
|
};
|
|
|
|
/**
|
|
* Returns true if object is boolean, otherwise false
|
|
*
|
|
* @method isBoolean
|
|
* @param {Object}
|
|
* @return {Boolean}
|
|
*/
|
|
var isBoolean = function (object) {
|
|
return typeof object === 'boolean';
|
|
};
|
|
|
|
/**
|
|
* Returns true if object is array, otherwise false
|
|
*
|
|
* @method isArray
|
|
* @param {Object}
|
|
* @return {Boolean}
|
|
*/
|
|
var isArray = function (object) {
|
|
return object instanceof Array;
|
|
};
|
|
|
|
/**
|
|
* Returns true if given string is valid json object
|
|
*
|
|
* @method isJson
|
|
* @param {String}
|
|
* @return {Boolean}
|
|
*/
|
|
var isJson = function (str) {
|
|
try {
|
|
return !!JSON.parse(str);
|
|
} catch (e) {
|
|
return false;
|
|
}
|
|
};
|
|
|
|
module.exports = {
|
|
padLeft: padLeft,
|
|
findIndex: findIndex,
|
|
toHex: toHex,
|
|
toDecimal: toDecimal,
|
|
fromDecimal: fromDecimal,
|
|
toAscii: toAscii,
|
|
fromAscii: fromAscii,
|
|
extractDisplayName: extractDisplayName,
|
|
extractTypeName: extractTypeName,
|
|
filterFunctions: filterFunctions,
|
|
filterEvents: filterEvents,
|
|
toWei: toWei,
|
|
fromWei: fromWei,
|
|
toBigNumber: toBigNumber,
|
|
toTwosComplement: toTwosComplement,
|
|
toAddress: toAddress,
|
|
isBigNumber: isBigNumber,
|
|
isAddress: isAddress,
|
|
isFunction: isFunction,
|
|
isString: isString,
|
|
isObject: isObject,
|
|
isBoolean: isBoolean,
|
|
isArray: isArray,
|
|
isJson: isJson
|
|
};
|
|
|
|
|
|
},{"bignumber.js":"bignumber.js"}],8:[function(require,module,exports){
|
|
module.exports={
|
|
"version": "0.2.5"
|
|
}
|
|
|
|
},{}],9:[function(require,module,exports){
|
|
/*
|
|
This file is part of ethereum.js.
|
|
|
|
ethereum.js is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
ethereum.js is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/** @file web3.js
|
|
* @authors:
|
|
* Jeffrey Wilcke <jeff@ethdev.com>
|
|
* Marek Kotewicz <marek@ethdev.com>
|
|
* Marian Oancea <marian@ethdev.com>
|
|
* Fabian Vogelsteller <fabian@ethdev.com>
|
|
* Gav Wood <g@ethdev.com>
|
|
* @date 2014
|
|
*/
|
|
|
|
var version = require('./version.json');
|
|
var net = require('./web3/net');
|
|
var eth = require('./web3/eth');
|
|
var db = require('./web3/db');
|
|
var shh = require('./web3/shh');
|
|
var watches = require('./web3/watches');
|
|
var Filter = require('./web3/filter');
|
|
var utils = require('./utils/utils');
|
|
var formatters = require('./web3/formatters');
|
|
var RequestManager = require('./web3/requestmanager');
|
|
var c = require('./utils/config');
|
|
var Method = require('./web3/method');
|
|
var Property = require('./web3/property');
|
|
|
|
var web3Methods = [
|
|
new Method({
|
|
name: 'sha3',
|
|
call: 'web3_sha3',
|
|
params: 1
|
|
})
|
|
];
|
|
|
|
var web3Properties = [
|
|
new Property({
|
|
name: 'version.client',
|
|
getter: 'web3_clientVersion'
|
|
}),
|
|
new Property({
|
|
name: 'version.network',
|
|
getter: 'net_version',
|
|
inputFormatter: utils.toDecimal
|
|
}),
|
|
new Property({
|
|
name: 'version.ethereum',
|
|
getter: 'eth_version',
|
|
inputFormatter: utils.toDecimal
|
|
}),
|
|
new Property({
|
|
name: 'version.whisper',
|
|
getter: 'shh_version',
|
|
inputFormatter: utils.toDecimal
|
|
})
|
|
];
|
|
|
|
/// creates methods in a given object based on method description on input
|
|
/// setups api calls for these methods
|
|
var setupMethods = function (obj, methods) {
|
|
methods.forEach(function (method) {
|
|
method.attachToObject(obj);
|
|
});
|
|
};
|
|
|
|
/// creates properties in a given object based on properties description on input
|
|
/// setups api calls for these properties
|
|
var setupProperties = function (obj, properties) {
|
|
properties.forEach(function (property) {
|
|
property.attachToObject(obj);
|
|
});
|
|
};
|
|
|
|
/// setups web3 object, and it's in-browser executed methods
|
|
var web3 = {};
|
|
web3.providers = {};
|
|
web3.version = {};
|
|
web3.version.api = version.version;
|
|
web3.eth = {};
|
|
|
|
/*jshint maxparams:4 */
|
|
web3.eth.filter = function (fil, eventParams, options, formatter) {
|
|
|
|
// if its event, treat it differently
|
|
// TODO: simplify and remove
|
|
if (fil._isEvent) {
|
|
return fil(eventParams, options);
|
|
}
|
|
|
|
// what outputLogFormatter? that's wrong
|
|
//return new Filter(fil, watches.eth(), formatters.outputLogFormatter);
|
|
return new Filter(fil, watches.eth(), formatter || formatters.outputLogFormatter);
|
|
};
|
|
/*jshint maxparams:3 */
|
|
|
|
web3.shh = {};
|
|
web3.shh.filter = function (fil) {
|
|
return new Filter(fil, watches.shh(), formatters.outputPostFormatter);
|
|
};
|
|
web3.net = {};
|
|
web3.db = {};
|
|
web3.setProvider = function (provider) {
|
|
RequestManager.getInstance().setProvider(provider);
|
|
};
|
|
web3.reset = function () {
|
|
RequestManager.getInstance().reset();
|
|
};
|
|
web3.toHex = utils.toHex;
|
|
web3.toAscii = utils.toAscii;
|
|
web3.fromAscii = utils.fromAscii;
|
|
web3.toDecimal = utils.toDecimal;
|
|
web3.fromDecimal = utils.fromDecimal;
|
|
web3.toBigNumber = utils.toBigNumber;
|
|
web3.toWei = utils.toWei;
|
|
web3.fromWei = utils.fromWei;
|
|
web3.isAddress = utils.isAddress;
|
|
|
|
// ADD defaultblock
|
|
Object.defineProperty(web3.eth, 'defaultBlock', {
|
|
get: function () {
|
|
return c.ETH_DEFAULTBLOCK;
|
|
},
|
|
set: function (val) {
|
|
c.ETH_DEFAULTBLOCK = val;
|
|
return c.ETH_DEFAULTBLOCK;
|
|
}
|
|
});
|
|
|
|
|
|
/// setups all api methods
|
|
setupMethods(web3, web3Methods);
|
|
setupProperties(web3, web3Properties);
|
|
setupMethods(web3.net, net.methods);
|
|
setupProperties(web3.net, net.properties);
|
|
setupMethods(web3.eth, eth.methods);
|
|
setupProperties(web3.eth, eth.properties);
|
|
setupMethods(web3.db, db.methods);
|
|
setupMethods(web3.shh, shh.methods);
|
|
|
|
module.exports = web3;
|
|
|
|
|
|
},{"./utils/config":6,"./utils/utils":7,"./version.json":8,"./web3/db":11,"./web3/eth":13,"./web3/filter":15,"./web3/formatters":16,"./web3/method":19,"./web3/net":20,"./web3/property":21,"./web3/requestmanager":23,"./web3/shh":24,"./web3/watches":26}],10:[function(require,module,exports){
|
|
/*
|
|
This file is part of ethereum.js.
|
|
|
|
ethereum.js is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
ethereum.js is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/** @file contract.js
|
|
* @authors:
|
|
* Marek Kotewicz <marek@ethdev.com>
|
|
* @date 2014
|
|
*/
|
|
|
|
var web3 = require('../web3');
|
|
var abi = require('../solidity/abi');
|
|
var utils = require('../utils/utils');
|
|
var eventImpl = require('./event');
|
|
var signature = require('./signature');
|
|
|
|
var addFunctionRelatedPropertiesToContract = function (contract) {
|
|
|
|
contract.call = function (options) {
|
|
contract._isTransaction = false;
|
|
contract._options = options;
|
|
return contract;
|
|
};
|
|
|
|
contract.sendTransaction = function (options) {
|
|
contract._isTransaction = true;
|
|
contract._options = options;
|
|
return contract;
|
|
};
|
|
};
|
|
|
|
var addFunctionsToContract = function (contract, desc, address) {
|
|
var inputParser = abi.inputParser(desc);
|
|
var outputParser = abi.outputParser(desc);
|
|
|
|
// create contract functions
|
|
utils.filterFunctions(desc).forEach(function (method) {
|
|
|
|
var displayName = utils.extractDisplayName(method.name);
|
|
var typeName = utils.extractTypeName(method.name);
|
|
|
|
var impl = function () {
|
|
/*jshint maxcomplexity:7 */
|
|
var params = Array.prototype.slice.call(arguments);
|
|
var sign = signature.functionSignatureFromAscii(method.name);
|
|
var parsed = inputParser[displayName][typeName].apply(null, params);
|
|
|
|
var options = contract._options || {};
|
|
options.to = address;
|
|
options.data = sign + parsed;
|
|
|
|
var isTransaction = contract._isTransaction === true || (contract._isTransaction !== false && !method.constant);
|
|
var collapse = options.collapse !== false;
|
|
|
|
// reset
|
|
contract._options = {};
|
|
contract._isTransaction = null;
|
|
|
|
if (isTransaction) {
|
|
|
|
// transactions do not have any output, cause we do not know, when they will be processed
|
|
web3.eth.sendTransaction(options);
|
|
return;
|
|
}
|
|
|
|
var output = web3.eth.call(options);
|
|
var ret = outputParser[displayName][typeName](output);
|
|
if (collapse)
|
|
{
|
|
if (ret.length === 1)
|
|
ret = ret[0];
|
|
else if (ret.length === 0)
|
|
ret = null;
|
|
}
|
|
return ret;
|
|
};
|
|
|
|
if (contract[displayName] === undefined) {
|
|
contract[displayName] = impl;
|
|
}
|
|
|
|
contract[displayName][typeName] = impl;
|
|
});
|
|
};
|
|
|
|
var addEventRelatedPropertiesToContract = function (contract, desc, address) {
|
|
contract.address = address;
|
|
contract._onWatchEventResult = function (data) {
|
|
var matchingEvent = event.getMatchingEvent(utils.filterEvents(desc));
|
|
var parser = eventImpl.outputParser(matchingEvent);
|
|
return parser(data);
|
|
};
|
|
|
|
Object.defineProperty(contract, 'topics', {
|
|
get: function() {
|
|
return utils.filterEvents(desc).map(function (e) {
|
|
return signature.eventSignatureFromAscii(e.name);
|
|
});
|
|
}
|
|
});
|
|
|
|
};
|
|
|
|
var addEventsToContract = function (contract, desc, address) {
|
|
// create contract events
|
|
utils.filterEvents(desc).forEach(function (e) {
|
|
|
|
var impl = function () {
|
|
var params = Array.prototype.slice.call(arguments);
|
|
var sign = signature.eventSignatureFromAscii(e.name);
|
|
var event = eventImpl.inputParser(address, sign, e);
|
|
var o = event.apply(null, params);
|
|
var outputFormatter = function (data) {
|
|
var parser = eventImpl.outputParser(e);
|
|
return parser(data);
|
|
};
|
|
return web3.eth.filter(o, undefined, undefined, outputFormatter);
|
|
};
|
|
|
|
// this property should be used by eth.filter to check if object is an event
|
|
impl._isEvent = true;
|
|
|
|
var displayName = utils.extractDisplayName(e.name);
|
|
var typeName = utils.extractTypeName(e.name);
|
|
|
|
if (contract[displayName] === undefined) {
|
|
contract[displayName] = impl;
|
|
}
|
|
|
|
contract[displayName][typeName] = impl;
|
|
|
|
});
|
|
};
|
|
|
|
|
|
/**
|
|
* This method should be called when we want to call / transact some solidity method from javascript
|
|
* it returns an object which has same methods available as solidity contract description
|
|
* usage example:
|
|
*
|
|
* var abi = [{
|
|
* name: 'myMethod',
|
|
* inputs: [{ name: 'a', type: 'string' }],
|
|
* outputs: [{name: 'd', type: 'string' }]
|
|
* }]; // contract abi
|
|
*
|
|
* var MyContract = web3.eth.contract(abi); // creation of contract prototype
|
|
*
|
|
* var contractInstance = new MyContract('0x0123123121');
|
|
*
|
|
* contractInstance.myMethod('this is test string param for call'); // myMethod call (implicit, default)
|
|
* contractInstance.call().myMethod('this is test string param for call'); // myMethod call (explicit)
|
|
* contractInstance.sendTransaction().myMethod('this is test string param for transact'); // myMethod sendTransaction
|
|
*
|
|
* @param abi - abi json description of the contract, which is being created
|
|
* @returns contract object
|
|
*/
|
|
var contract = function (abi) {
|
|
|
|
// return prototype
|
|
return Contract.bind(null, abi);
|
|
};
|
|
|
|
function Contract(abi, address) {
|
|
|
|
// workaround for invalid assumption that method.name is the full anonymous prototype of the method.
|
|
// it's not. it's just the name. the rest of the code assumes it's actually the anonymous
|
|
// prototype, so we make it so as a workaround.
|
|
// TODO: we may not want to modify input params, maybe use copy instead?
|
|
abi.forEach(function (method) {
|
|
if (method.name.indexOf('(') === -1) {
|
|
var displayName = method.name;
|
|
var typeName = method.inputs.map(function(i){return i.type; }).join();
|
|
method.name = displayName + '(' + typeName + ')';
|
|
}
|
|
});
|
|
|
|
var result = {};
|
|
addFunctionRelatedPropertiesToContract(result);
|
|
addFunctionsToContract(result, abi, address);
|
|
addEventRelatedPropertiesToContract(result, abi, address);
|
|
addEventsToContract(result, abi, address);
|
|
|
|
return result;
|
|
}
|
|
|
|
module.exports = contract;
|
|
|
|
|
|
},{"../solidity/abi":1,"../utils/utils":7,"../web3":9,"./event":14,"./signature":25}],11:[function(require,module,exports){
|
|
/*
|
|
This file is part of ethereum.js.
|
|
|
|
ethereum.js is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
ethereum.js is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/** @file db.js
|
|
* @authors:
|
|
* Marek Kotewicz <marek@ethdev.com>
|
|
* @date 2015
|
|
*/
|
|
|
|
var Method = require('./method');
|
|
|
|
var putString = new Method({
|
|
name: 'putString',
|
|
call: 'db_putString',
|
|
params: 3
|
|
});
|
|
|
|
|
|
var getString = new Method({
|
|
name: 'getString',
|
|
call: 'db_getString',
|
|
params: 2
|
|
});
|
|
|
|
var putHex = new Method({
|
|
name: 'putHex',
|
|
call: 'db_putHex',
|
|
params: 3
|
|
});
|
|
|
|
var getHex = new Method({
|
|
name: 'getHex',
|
|
call: 'db_getHex',
|
|
params: 2
|
|
});
|
|
|
|
var methods = [
|
|
putString, getString, putHex, getHex
|
|
];
|
|
|
|
module.exports = {
|
|
methods: methods
|
|
};
|
|
|
|
},{"./method":19}],12:[function(require,module,exports){
|
|
/*
|
|
This file is part of ethereum.js.
|
|
|
|
ethereum.js is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
ethereum.js is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/**
|
|
* @file errors.js
|
|
* @author Marek Kotewicz <marek@ethdev.com>
|
|
* @date 2015
|
|
*/
|
|
|
|
var utils = require('../utils/utils');
|
|
|
|
module.exports = {
|
|
InvalidNumberOfParams: new Error('Invalid number of input parameters'),
|
|
InvalidProvider: new Error('Providor not set or invalid'),
|
|
InvalidResponse: function(result){
|
|
var message = 'Invalid JSON RPC response';
|
|
|
|
if(utils.isObject(result) && result.error && result.error.message) {
|
|
message = result.error.message;
|
|
}
|
|
|
|
return new Error(message);
|
|
}
|
|
};
|
|
|
|
|
|
},{"../utils/utils":7}],13:[function(require,module,exports){
|
|
/*
|
|
This file is part of ethereum.js.
|
|
|
|
ethereum.js is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
ethereum.js is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/**
|
|
* @file eth.js
|
|
* @author Marek Kotewicz <marek@ethdev.com>
|
|
* @author Fabian Vogelsteller <fabian@ethdev.com>
|
|
* @date 2015
|
|
*/
|
|
|
|
/**
|
|
* Web3
|
|
*
|
|
* @module web3
|
|
*/
|
|
|
|
/**
|
|
* Eth methods and properties
|
|
*
|
|
* An example method object can look as follows:
|
|
*
|
|
* {
|
|
* name: 'getBlock',
|
|
* call: blockCall,
|
|
* params: 2,
|
|
* outputFormatter: formatters.outputBlockFormatter,
|
|
* inputFormatter: [ // can be a formatter funciton or an array of functions. Where each item in the array will be used for one parameter
|
|
* utils.toHex, // formats paramter 1
|
|
* function(param){ return !!param; } // formats paramter 2
|
|
* ]
|
|
* },
|
|
*
|
|
* @class [web3] eth
|
|
* @constructor
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
var formatters = require('./formatters');
|
|
var utils = require('../utils/utils');
|
|
var Method = require('./method');
|
|
var Property = require('./property');
|
|
|
|
var blockCall = function (args) {
|
|
return (utils.isString(args[0]) && args[0].indexOf('0x') === 0) ? "eth_getBlockByHash" : "eth_getBlockByNumber";
|
|
};
|
|
|
|
var transactionFromBlockCall = function (args) {
|
|
return (utils.isString(args[0]) && args[0].indexOf('0x') === 0) ? 'eth_getTransactionByBlockHashAndIndex' : 'eth_getTransactionByBlockNumberAndIndex';
|
|
};
|
|
|
|
var uncleCall = function (args) {
|
|
return (utils.isString(args[0]) && args[0].indexOf('0x') === 0) ? 'eth_getUncleByBlockHashAndIndex' : 'eth_getUncleByBlockNumberAndIndex';
|
|
};
|
|
|
|
var getBlockTransactionCountCall = function (args) {
|
|
return (utils.isString(args[0]) && args[0].indexOf('0x') === 0) ? 'eth_getBlockTransactionCountByHash' : 'eth_getBlockTransactionCountByNumber';
|
|
};
|
|
|
|
var uncleCountCall = function (args) {
|
|
return (utils.isString(args[0]) && args[0].indexOf('0x') === 0) ? 'eth_getUncleCountByBlockHash' : 'eth_getUncleCountByBlockNumber';
|
|
};
|
|
|
|
/// @returns an array of objects describing web3.eth api methods
|
|
|
|
var getBalance = new Method({
|
|
name: 'getBalance',
|
|
call: 'eth_getBalance',
|
|
params: 2,
|
|
inputFormatter: [utils.toAddress, formatters.inputDefaultBlockNumberFormatter],
|
|
outputFormatter: formatters.outputBigNumberFormatter
|
|
});
|
|
|
|
var getStorageAt = new Method({
|
|
name: 'getStorageAt',
|
|
call: 'eth_getStorageAt',
|
|
params: 3,
|
|
inputFormatter: [null, utils.toHex, formatters.inputDefaultBlockNumberFormatter]
|
|
});
|
|
|
|
var getCode = new Method({
|
|
name: 'getCode',
|
|
call: 'eth_getCode',
|
|
params: 2,
|
|
inputFormatter: [utils.toAddress, formatters.inputDefaultBlockNumberFormatter]
|
|
});
|
|
|
|
var getBlock = new Method({
|
|
name: 'getBlock',
|
|
call: blockCall,
|
|
params: 2,
|
|
inputFormatter: [formatters.inputBlockNumberFormatter, function (val) { return !!val; }],
|
|
outputFormatter: formatters.outputBlockFormatter
|
|
});
|
|
|
|
var getUncle = new Method({
|
|
name: 'getUncle',
|
|
call: uncleCall,
|
|
params: 3,
|
|
inputFormatter: [formatters.inputBlockNumberFormatter, utils.toHex, function (val) { return !!val; }],
|
|
outputFormatter: formatters.outputBlockFormatter,
|
|
|
|
});
|
|
|
|
var getCompilers = new Method({
|
|
name: 'getCompilers',
|
|
call: 'eth_getCompilers',
|
|
params: 0
|
|
});
|
|
|
|
var getBlockTransactionCount = new Method({
|
|
name: 'getBlockTransactionCount',
|
|
call: getBlockTransactionCountCall,
|
|
params: 1,
|
|
inputFormatter: [formatters.inputBlockNumberFormatter],
|
|
outputFormatter: utils.toDecimal
|
|
});
|
|
|
|
var getBlockUncleCount = new Method({
|
|
name: 'getBlockUncleCount',
|
|
call: uncleCountCall,
|
|
params: 1,
|
|
inputFormatter: [formatters.inputBlockNumberFormatter],
|
|
outputFormatter: utils.toDecimal
|
|
});
|
|
|
|
var getTransaction = new Method({
|
|
name: 'getTransaction',
|
|
call: 'eth_getTransactionByHash',
|
|
params: 1,
|
|
outputFormatter: formatters.outputTransactionFormatter
|
|
});
|
|
|
|
var getTransactionFromBlock = new Method({
|
|
name: 'getTransactionFromBlock',
|
|
call: transactionFromBlockCall,
|
|
params: 2,
|
|
inputFormatter: [utils.toHex, utils.toHex],
|
|
outputFormatter: formatters.outputTransactionFormatter
|
|
});
|
|
|
|
var getTransactionCount = new Method({
|
|
name: 'getTransactionCount',
|
|
call: 'eth_getTransactionCount',
|
|
params: 2,
|
|
inputFormatter: [null, formatters.inputDefaultBlockNumberFormatter],
|
|
outputFormatter: utils.toDecimal
|
|
});
|
|
|
|
var sendTransaction = new Method({
|
|
name: 'sendTransaction',
|
|
call: 'eth_sendTransaction',
|
|
params: 1,
|
|
inputFormatter: [formatters.inputTransactionFormatter]
|
|
});
|
|
|
|
var call = new Method({
|
|
name: 'call',
|
|
call: 'eth_call',
|
|
params: 2,
|
|
inputFormatter: [formatters.inputTransactionFormatter, formatters.inputDefaultBlockNumberFormatter]
|
|
});
|
|
|
|
var compileSolidity = new Method({
|
|
name: 'compile.solidity',
|
|
call: 'eth_compileSolidity',
|
|
params: 1
|
|
});
|
|
|
|
var compileLLL = new Method({
|
|
name: 'compile.lll',
|
|
call: 'eth_compileLLL',
|
|
params: 1
|
|
});
|
|
|
|
var compileSerpent = new Method({
|
|
name: 'compile.serpent',
|
|
call: 'eth_compileSerpent',
|
|
params: 1
|
|
});
|
|
|
|
var flush = new Method({
|
|
name: 'flush',
|
|
call: 'eth_flush',
|
|
params: 0
|
|
});
|
|
|
|
var methods = [
|
|
getBalance,
|
|
getStorageAt,
|
|
getCode,
|
|
getBlock,
|
|
getUncle,
|
|
getCompilers,
|
|
getBlockTransactionCount,
|
|
getBlockUncleCount,
|
|
getTransaction,
|
|
getTransactionFromBlock,
|
|
getTransactionCount,
|
|
call,
|
|
sendTransaction,
|
|
compileSolidity,
|
|
compileLLL,
|
|
compileSerpent,
|
|
flush
|
|
];
|
|
|
|
/// @returns an array of objects describing web3.eth api properties
|
|
|
|
|
|
|
|
var properties = [
|
|
new Property({
|
|
name: 'coinbase',
|
|
getter: 'eth_coinbase'
|
|
}),
|
|
new Property({
|
|
name: 'mining',
|
|
getter: 'eth_mining'
|
|
}),
|
|
new Property({
|
|
name: 'gasPrice',
|
|
getter: 'eth_gasPrice',
|
|
outputFormatter: formatters.inputNumberFormatter
|
|
}),
|
|
new Property({
|
|
name: 'accounts',
|
|
getter: 'eth_accounts'
|
|
}),
|
|
new Property({
|
|
name: 'blockNumber',
|
|
getter: 'eth_blockNumber',
|
|
outputFormatter: utils.toDecimal
|
|
})
|
|
];
|
|
|
|
module.exports = {
|
|
methods: methods,
|
|
properties: properties
|
|
};
|
|
|
|
|
|
},{"../utils/utils":7,"./formatters":16,"./method":19,"./property":21}],14:[function(require,module,exports){
|
|
/*
|
|
This file is part of ethereum.js.
|
|
|
|
ethereum.js is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
ethereum.js is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/** @file event.js
|
|
* @authors:
|
|
* Marek Kotewicz <marek@ethdev.com>
|
|
* @date 2014
|
|
*/
|
|
|
|
var abi = require('../solidity/abi');
|
|
var utils = require('../utils/utils');
|
|
var signature = require('./signature');
|
|
|
|
/// filter inputs array && returns only indexed (or not) inputs
|
|
/// @param inputs array
|
|
/// @param bool if result should be an array of indexed params on not
|
|
/// @returns array of (not?) indexed params
|
|
var filterInputs = function (inputs, indexed) {
|
|
return inputs.filter(function (current) {
|
|
return current.indexed === indexed;
|
|
});
|
|
};
|
|
|
|
var inputWithName = function (inputs, name) {
|
|
var index = utils.findIndex(inputs, function (input) {
|
|
return input.name === name;
|
|
});
|
|
|
|
if (index === -1) {
|
|
console.error('indexed param with name ' + name + ' not found');
|
|
return undefined;
|
|
}
|
|
return inputs[index];
|
|
};
|
|
|
|
var indexedParamsToTopics = function (event, indexed) {
|
|
// sort keys?
|
|
return Object.keys(indexed).map(function (key) {
|
|
var inputs = [inputWithName(filterInputs(event.inputs, true), key)];
|
|
|
|
var value = indexed[key];
|
|
if (value instanceof Array) {
|
|
return value.map(function (v) {
|
|
return abi.formatInput(inputs, [v]);
|
|
});
|
|
}
|
|
return '0x' + abi.formatInput(inputs, [value]);
|
|
});
|
|
};
|
|
|
|
var inputParser = function (address, sign, event) {
|
|
|
|
// valid options are 'earliest', 'latest', 'offset' and 'max', as defined for 'eth.filter'
|
|
return function (indexed, options) {
|
|
var o = options || {};
|
|
o.address = address;
|
|
o.topics = [];
|
|
o.topics.push(sign);
|
|
if (indexed) {
|
|
o.topics = o.topics.concat(indexedParamsToTopics(event, indexed));
|
|
}
|
|
return o;
|
|
};
|
|
};
|
|
|
|
var getArgumentsObject = function (inputs, indexed, notIndexed) {
|
|
var indexedCopy = indexed.slice();
|
|
var notIndexedCopy = notIndexed.slice();
|
|
return inputs.reduce(function (acc, current) {
|
|
var value;
|
|
if (current.indexed)
|
|
value = indexedCopy.splice(0, 1)[0];
|
|
else
|
|
value = notIndexedCopy.splice(0, 1)[0];
|
|
|
|
acc[current.name] = value;
|
|
return acc;
|
|
}, {});
|
|
};
|
|
|
|
var outputParser = function (event) {
|
|
|
|
return function (output) {
|
|
var result = {
|
|
event: utils.extractDisplayName(event.name),
|
|
number: output.number,
|
|
hash: output.hash,
|
|
args: {}
|
|
};
|
|
|
|
if (!output.topics) {
|
|
return result;
|
|
}
|
|
output.data = output.data || '';
|
|
|
|
var indexedOutputs = filterInputs(event.inputs, true);
|
|
var indexedData = "0x" + output.topics.slice(1, output.topics.length).map(function (topics) { return topics.slice(2); }).join("");
|
|
var indexedRes = abi.formatOutput(indexedOutputs, indexedData);
|
|
|
|
var notIndexedOutputs = filterInputs(event.inputs, false);
|
|
var notIndexedRes = abi.formatOutput(notIndexedOutputs, output.data);
|
|
|
|
result.args = getArgumentsObject(event.inputs, indexedRes, notIndexedRes);
|
|
|
|
return result;
|
|
};
|
|
};
|
|
|
|
var getMatchingEvent = function (events, payload) {
|
|
for (var i = 0; i < events.length; i++) {
|
|
var sign = signature.eventSignatureFromAscii(events[i].name);
|
|
if (sign === payload.topics[0]) {
|
|
return events[i];
|
|
}
|
|
}
|
|
return undefined;
|
|
};
|
|
|
|
|
|
module.exports = {
|
|
inputParser: inputParser,
|
|
outputParser: outputParser,
|
|
getMatchingEvent: getMatchingEvent
|
|
};
|
|
|
|
|
|
},{"../solidity/abi":1,"../utils/utils":7,"./signature":25}],15:[function(require,module,exports){
|
|
/*
|
|
This file is part of ethereum.js.
|
|
|
|
ethereum.js is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
ethereum.js is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/** @file filter.js
|
|
* @authors:
|
|
* Jeffrey Wilcke <jeff@ethdev.com>
|
|
* Marek Kotewicz <marek@ethdev.com>
|
|
* Marian Oancea <marian@ethdev.com>
|
|
* Fabian Vogelsteller <fabian@ethdev.com>
|
|
* Gav Wood <g@ethdev.com>
|
|
* @date 2014
|
|
*/
|
|
|
|
var RequestManager = require('./requestmanager');
|
|
var formatters = require('./formatters');
|
|
var utils = require('../utils/utils');
|
|
|
|
/// This method should be called on options object, to verify deprecated properties && lazy load dynamic ones
|
|
/// @param should be string or object
|
|
/// @returns options string or object
|
|
var getOptions = function (options) {
|
|
|
|
if (utils.isString(options)) {
|
|
return options;
|
|
}
|
|
|
|
options = options || {};
|
|
|
|
// make sure topics, get converted to hex
|
|
options.topics = options.topics || [];
|
|
options.topics = options.topics.map(function(topic){
|
|
return utils.toHex(topic);
|
|
});
|
|
|
|
// lazy load
|
|
return {
|
|
topics: options.topics,
|
|
to: options.to,
|
|
address: options.address,
|
|
fromBlock: formatters.inputBlockNumberFormatter(options.fromBlock),
|
|
toBlock: formatters.inputBlockNumberFormatter(options.toBlock)
|
|
};
|
|
};
|
|
|
|
var Filter = function (options, methods, formatter) {
|
|
var implementation = {};
|
|
methods.forEach(function (method) {
|
|
method.attachToObject(implementation);
|
|
});
|
|
this.options = getOptions(options);
|
|
this.implementation = implementation;
|
|
this.callbacks = [];
|
|
this.formatter = formatter;
|
|
this.filterId = this.implementation.newFilter(this.options);
|
|
};
|
|
|
|
Filter.prototype.watch = function (callback) {
|
|
this.callbacks.push(callback);
|
|
var self = this;
|
|
|
|
var onMessage = function (error, messages) {
|
|
if (error) {
|
|
return self.callbacks.forEach(function (callback) {
|
|
callback(error);
|
|
});
|
|
}
|
|
|
|
messages.forEach(function (message) {
|
|
message = self.formatter ? self.formatter(message) : message;
|
|
self.callbacks.forEach(function (callback) {
|
|
callback(null, message);
|
|
});
|
|
});
|
|
};
|
|
|
|
RequestManager.getInstance().startPolling({
|
|
method: this.implementation.poll.call,
|
|
params: [this.filterId],
|
|
}, this.filterId, onMessage, this.stopWatching.bind(this));
|
|
};
|
|
|
|
Filter.prototype.stopWatching = function () {
|
|
RequestManager.getInstance().stopPolling(this.filterId);
|
|
this.implementation.uninstallFilter(this.filterId);
|
|
this.callbacks = [];
|
|
};
|
|
|
|
Filter.prototype.get = function () {
|
|
var logs = this.implementation.getLogs(this.filterId);
|
|
var self = this;
|
|
return logs.map(function (log) {
|
|
return self.formatter ? self.formatter(log) : log;
|
|
});
|
|
};
|
|
|
|
module.exports = Filter;
|
|
|
|
|
|
},{"../utils/utils":7,"./formatters":16,"./requestmanager":23}],16:[function(require,module,exports){
|
|
/*
|
|
This file is part of ethereum.js.
|
|
|
|
ethereum.js is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
ethereum.js is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/**
|
|
* @file formatters.js
|
|
* @author Marek Kotewicz <marek@ethdev.com>
|
|
* @author Fabian Vogelsteller <fabian@ethdev.com>
|
|
* @date 2015
|
|
*/
|
|
|
|
var utils = require('../utils/utils');
|
|
var config = require('../utils/config');
|
|
|
|
/**
|
|
* Should the format output to a big number
|
|
*
|
|
* @method outputBigNumberFormatter
|
|
* @param {String|Number|BigNumber}
|
|
* @returns {BigNumber} object
|
|
*/
|
|
var outputBigNumberFormatter = function (number) {
|
|
return utils.toBigNumber(number);
|
|
};
|
|
|
|
var isPredefinedBlockNumber = function (blockNumber) {
|
|
return blockNumber === 'latest' || blockNumber === 'pending' || blockNumber === 'earliest';
|
|
};
|
|
|
|
var inputDefaultBlockNumberFormatter = function (blockNumber) {
|
|
if (blockNumber === undefined) {
|
|
return config.ETH_DEFAULTBLOCK;
|
|
}
|
|
return inputBlockNumberFormatter(blockNumber);
|
|
};
|
|
|
|
var inputBlockNumberFormatter = function (blockNumber) {
|
|
if (blockNumber === undefined) {
|
|
return undefined;
|
|
} else if (isPredefinedBlockNumber(blockNumber)) {
|
|
return blockNumber;
|
|
}
|
|
return utils.toHex(blockNumber);
|
|
};
|
|
|
|
/**
|
|
* Formats the input of a transaction and converts all values to HEX
|
|
*
|
|
* @method inputTransactionFormatter
|
|
* @param {Object} transaction options
|
|
* @returns object
|
|
*/
|
|
var inputTransactionFormatter = function (options){
|
|
|
|
// make code -> data
|
|
if (options.code) {
|
|
options.data = options.code;
|
|
delete options.code;
|
|
}
|
|
|
|
['gasPrice', 'gas', 'value'].filter(function (key) {
|
|
return options[key] !== undefined;
|
|
}).forEach(function(key){
|
|
options[key] = utils.fromDecimal(options[key]);
|
|
});
|
|
|
|
return options;
|
|
};
|
|
|
|
/**
|
|
* Formats the output of a transaction to its proper values
|
|
*
|
|
* @method outputTransactionFormatter
|
|
* @param {Object} transaction
|
|
* @returns {Object} transaction
|
|
*/
|
|
var outputTransactionFormatter = function (tx){
|
|
tx.blockNumber = utils.toDecimal(tx.blockNumber);
|
|
tx.transactionIndex = utils.toDecimal(tx.transactionIndex);
|
|
tx.gas = utils.toDecimal(tx.gas);
|
|
tx.gasPrice = utils.toBigNumber(tx.gasPrice);
|
|
tx.value = utils.toBigNumber(tx.value);
|
|
return tx;
|
|
};
|
|
|
|
/**
|
|
* Formats the output of a block to its proper values
|
|
*
|
|
* @method outputBlockFormatter
|
|
* @param {Object} block object
|
|
* @returns {Object} block object
|
|
*/
|
|
var outputBlockFormatter = function(block) {
|
|
|
|
// transform to number
|
|
block.gasLimit = utils.toDecimal(block.gasLimit);
|
|
block.gasUsed = utils.toDecimal(block.gasUsed);
|
|
block.size = utils.toDecimal(block.size);
|
|
block.timestamp = utils.toDecimal(block.timestamp);
|
|
block.number = utils.toDecimal(block.number);
|
|
|
|
block.minGasPrice = utils.toBigNumber(block.minGasPrice);
|
|
block.difficulty = utils.toBigNumber(block.difficulty);
|
|
block.totalDifficulty = utils.toBigNumber(block.totalDifficulty);
|
|
|
|
if (utils.isArray(block.transactions)) {
|
|
block.transactions.forEach(function(item){
|
|
if(!utils.isString(item))
|
|
return outputTransactionFormatter(item);
|
|
});
|
|
}
|
|
|
|
return block;
|
|
};
|
|
|
|
/**
|
|
* Formats the output of a log
|
|
*
|
|
* @method outputLogFormatter
|
|
* @param {Object} log object
|
|
* @returns {Object} log
|
|
*/
|
|
var outputLogFormatter = function(log) {
|
|
if (log === null) { // 'pending' && 'latest' filters are nulls
|
|
return null;
|
|
}
|
|
|
|
log.blockNumber = utils.toDecimal(log.blockNumber);
|
|
log.transactionIndex = utils.toDecimal(log.transactionIndex);
|
|
log.logIndex = utils.toDecimal(log.logIndex);
|
|
|
|
return log;
|
|
};
|
|
|
|
/**
|
|
* Formats the input of a whisper post and converts all values to HEX
|
|
*
|
|
* @method inputPostFormatter
|
|
* @param {Object} transaction object
|
|
* @returns {Object}
|
|
*/
|
|
var inputPostFormatter = function(post) {
|
|
|
|
post.payload = utils.toHex(post.payload);
|
|
post.ttl = utils.fromDecimal(post.ttl);
|
|
post.priority = utils.fromDecimal(post.priority);
|
|
|
|
if(!utils.isArray(post.topics)) {
|
|
post.topics = [post.topics];
|
|
}
|
|
|
|
// format the following options
|
|
post.topics = post.topics.map(function(topic){
|
|
return utils.fromAscii(topic);
|
|
});
|
|
|
|
return post;
|
|
};
|
|
|
|
/**
|
|
* Formats the output of a received post message
|
|
*
|
|
* @method outputPostFormatter
|
|
* @param {Object}
|
|
* @returns {Object}
|
|
*/
|
|
var outputPostFormatter = function(post){
|
|
|
|
post.expiry = utils.toDecimal(post.expiry);
|
|
post.sent = utils.toDecimal(post.sent);
|
|
post.ttl = utils.toDecimal(post.ttl);
|
|
post.workProved = utils.toDecimal(post.workProved);
|
|
post.payloadRaw = post.payload;
|
|
post.payload = utils.toAscii(post.payload);
|
|
|
|
if (utils.isJson(post.payload)) {
|
|
post.payload = JSON.parse(post.payload);
|
|
}
|
|
|
|
// format the following options
|
|
post.topics = post.topics.map(function(topic){
|
|
return utils.toAscii(topic);
|
|
});
|
|
|
|
return post;
|
|
};
|
|
|
|
module.exports = {
|
|
inputDefaultBlockNumberFormatter: inputDefaultBlockNumberFormatter,
|
|
inputBlockNumberFormatter: inputBlockNumberFormatter,
|
|
inputTransactionFormatter: inputTransactionFormatter,
|
|
inputPostFormatter: inputPostFormatter,
|
|
outputBigNumberFormatter: outputBigNumberFormatter,
|
|
outputTransactionFormatter: outputTransactionFormatter,
|
|
outputBlockFormatter: outputBlockFormatter,
|
|
outputLogFormatter: outputLogFormatter,
|
|
outputPostFormatter: outputPostFormatter
|
|
};
|
|
|
|
|
|
},{"../utils/config":6,"../utils/utils":7}],17:[function(require,module,exports){
|
|
/*
|
|
This file is part of ethereum.js.
|
|
|
|
ethereum.js is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
ethereum.js is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/** @file httpprovider.js
|
|
* @authors:
|
|
* Marek Kotewicz <marek@ethdev.com>
|
|
* Marian Oancea <marian@ethdev.com>
|
|
* Fabian Vogelsteller <fabian@ethdev.com>
|
|
* @date 2014
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
var XMLHttpRequest = require('xmlhttprequest').XMLHttpRequest; // jshint ignore:line
|
|
|
|
var HttpProvider = function (host) {
|
|
this.host = host || 'http://localhost:8080';
|
|
};
|
|
|
|
HttpProvider.prototype.send = function (payload) {
|
|
var request = new XMLHttpRequest();
|
|
|
|
request.open('POST', this.host, false);
|
|
request.send(JSON.stringify(payload));
|
|
|
|
// check request.status
|
|
// TODO: throw an error here! it cannot silently fail!!!
|
|
//if (request.status !== 200) {
|
|
//return;
|
|
//}
|
|
return JSON.parse(request.responseText);
|
|
};
|
|
|
|
HttpProvider.prototype.sendAsync = function (payload, callback) {
|
|
var request = new XMLHttpRequest();
|
|
request.onreadystatechange = function() {
|
|
if (request.readyState === 4) {
|
|
// TODO: handle the error properly here!!!
|
|
callback(null, JSON.parse(request.responseText));
|
|
}
|
|
};
|
|
|
|
request.open('POST', this.host, true);
|
|
request.send(JSON.stringify(payload));
|
|
};
|
|
|
|
module.exports = HttpProvider;
|
|
|
|
|
|
},{"xmlhttprequest":5}],18:[function(require,module,exports){
|
|
/*
|
|
This file is part of ethereum.js.
|
|
|
|
ethereum.js is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
ethereum.js is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/** @file jsonrpc.js
|
|
* @authors:
|
|
* Marek Kotewicz <marek@ethdev.com>
|
|
* @date 2015
|
|
*/
|
|
|
|
var Jsonrpc = function () {
|
|
// singleton pattern
|
|
if (arguments.callee._singletonInstance) {
|
|
return arguments.callee._singletonInstance;
|
|
}
|
|
arguments.callee._singletonInstance = this;
|
|
|
|
this.messageId = 1;
|
|
};
|
|
|
|
/**
|
|
* @return {Jsonrpc} singleton
|
|
*/
|
|
Jsonrpc.getInstance = function () {
|
|
var instance = new Jsonrpc();
|
|
return instance;
|
|
};
|
|
|
|
/**
|
|
* Should be called to valid json create payload object
|
|
*
|
|
* @method toPayload
|
|
* @param {Function} method of jsonrpc call, required
|
|
* @param {Array} params, an array of method params, optional
|
|
* @returns {Object} valid jsonrpc payload object
|
|
*/
|
|
Jsonrpc.prototype.toPayload = function (method, params) {
|
|
if (!method)
|
|
console.error('jsonrpc method should be specified!');
|
|
|
|
return {
|
|
jsonrpc: '2.0',
|
|
method: method,
|
|
params: params || [],
|
|
id: this.messageId++
|
|
};
|
|
};
|
|
|
|
/**
|
|
* Should be called to check if jsonrpc response is valid
|
|
*
|
|
* @method isValidResponse
|
|
* @param {Object}
|
|
* @returns {Boolean} true if response is valid, otherwise false
|
|
*/
|
|
Jsonrpc.prototype.isValidResponse = function (response) {
|
|
return !!response &&
|
|
!response.error &&
|
|
response.jsonrpc === '2.0' &&
|
|
typeof response.id === 'number' &&
|
|
response.result !== undefined; // only undefined is not valid json object
|
|
};
|
|
|
|
/**
|
|
* Should be called to create batch payload object
|
|
*
|
|
* @method toBatchPayload
|
|
* @param {Array} messages, an array of objects with method (required) and params (optional) fields
|
|
* @returns {Array} batch payload
|
|
*/
|
|
Jsonrpc.prototype.toBatchPayload = function (messages) {
|
|
var self = this;
|
|
return messages.map(function (message) {
|
|
return self.toPayload(message.method, message.params);
|
|
});
|
|
};
|
|
|
|
module.exports = Jsonrpc;
|
|
|
|
|
|
},{}],19:[function(require,module,exports){
|
|
/*
|
|
This file is part of ethereum.js.
|
|
|
|
ethereum.js is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
ethereum.js is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/**
|
|
* @file method.js
|
|
* @author Marek Kotewicz <marek@ethdev.com>
|
|
* @date 2015
|
|
*/
|
|
|
|
var RequestManager = require('./requestmanager');
|
|
var utils = require('../utils/utils');
|
|
var errors = require('./errors');
|
|
|
|
var Method = function (options) {
|
|
this.name = options.name;
|
|
this.call = options.call;
|
|
this.params = options.params || 0;
|
|
this.inputFormatter = options.inputFormatter;
|
|
this.outputFormatter = options.outputFormatter;
|
|
};
|
|
|
|
/**
|
|
* Should be used to determine name of the jsonrpc method based on arguments
|
|
*
|
|
* @method getCall
|
|
* @param {Array} arguments
|
|
* @return {String} name of jsonrpc method
|
|
*/
|
|
Method.prototype.getCall = function (args) {
|
|
return utils.isFunction(this.call) ? this.call(args) : this.call;
|
|
};
|
|
|
|
/**
|
|
* Should be used to extract callback from array of arguments. Modifies input param
|
|
*
|
|
* @method extractCallback
|
|
* @param {Array} arguments
|
|
* @return {Function|Null} callback, if exists
|
|
*/
|
|
Method.prototype.extractCallback = function (args) {
|
|
if (utils.isFunction(args[args.length - 1])) {
|
|
return args.pop(); // modify the args array!
|
|
}
|
|
return null;
|
|
};
|
|
|
|
/**
|
|
* Should be called to check if the number of arguments is correct
|
|
*
|
|
* @method validateArgs
|
|
* @param {Array} arguments
|
|
* @throws {Error} if it is not
|
|
*/
|
|
Method.prototype.validateArgs = function (args) {
|
|
if (args.length !== this.params) {
|
|
throw errors.InvalidNumberOfParams;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Should be called to format input args of method
|
|
*
|
|
* @method formatInput
|
|
* @param {Array}
|
|
* @return {Array}
|
|
*/
|
|
Method.prototype.formatInput = function (args) {
|
|
if (!this.inputFormatter) {
|
|
return args;
|
|
}
|
|
|
|
return this.inputFormatter.map(function (formatter, index) {
|
|
return formatter ? formatter(args[index]) : args[index];
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Should be called to format output(result) of method
|
|
*
|
|
* @method formatOutput
|
|
* @param {Object}
|
|
* @return {Object}
|
|
*/
|
|
Method.prototype.formatOutput = function (result) {
|
|
return this.outputFormatter && result !== null ? this.outputFormatter(result) : result;
|
|
};
|
|
|
|
/**
|
|
* Should attach function to method
|
|
*
|
|
* @method attachToObject
|
|
* @param {Object}
|
|
* @param {Function}
|
|
*/
|
|
Method.prototype.attachToObject = function (obj) {
|
|
var func = this.send.bind(this);
|
|
func.call = this.call; // that's ugly. filter.js uses it
|
|
var name = this.name.split('.');
|
|
if (name.length > 1) {
|
|
obj[name[0]] = obj[name[0]] || {};
|
|
obj[name[0]][name[1]] = func;
|
|
} else {
|
|
obj[name[0]] = func;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Should create payload from given input args
|
|
*
|
|
* @method toPayload
|
|
* @param {Array} args
|
|
* @return {Object}
|
|
*/
|
|
Method.prototype.toPayload = function (args) {
|
|
var call = this.getCall(args);
|
|
var callback = this.extractCallback(args);
|
|
var params = this.formatInput(args);
|
|
this.validateArgs(params);
|
|
|
|
return {
|
|
method: call,
|
|
params: params,
|
|
callback: callback
|
|
};
|
|
};
|
|
|
|
/**
|
|
* Should send request to the API
|
|
*
|
|
* @method send
|
|
* @param list of params
|
|
* @return result
|
|
*/
|
|
Method.prototype.send = function () {
|
|
var payload = this.toPayload(Array.prototype.slice.call(arguments));
|
|
if (payload.callback) {
|
|
var self = this;
|
|
return RequestManager.getInstance().sendAsync(payload, function (err, result) {
|
|
payload.callback(null, self.formatOutput(result));
|
|
});
|
|
}
|
|
return this.formatOutput(RequestManager.getInstance().send(payload));
|
|
};
|
|
|
|
module.exports = Method;
|
|
|
|
|
|
},{"../utils/utils":7,"./errors":12,"./requestmanager":23}],20:[function(require,module,exports){
|
|
/*
|
|
This file is part of ethereum.js.
|
|
|
|
ethereum.js is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
ethereum.js is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/** @file eth.js
|
|
* @authors:
|
|
* Marek Kotewicz <marek@ethdev.com>
|
|
* @date 2015
|
|
*/
|
|
|
|
var utils = require('../utils/utils');
|
|
var Property = require('./property');
|
|
|
|
/// @returns an array of objects describing web3.eth api methods
|
|
var methods = [
|
|
];
|
|
|
|
/// @returns an array of objects describing web3.eth api properties
|
|
var properties = [
|
|
new Property({
|
|
name: 'listening',
|
|
getter: 'net_listening'
|
|
}),
|
|
new Property({
|
|
name: 'peerCount',
|
|
getter: 'net_peerCount',
|
|
outputFormatter: utils.toDecimal
|
|
})
|
|
];
|
|
|
|
|
|
module.exports = {
|
|
methods: methods,
|
|
properties: properties
|
|
};
|
|
|
|
|
|
},{"../utils/utils":7,"./property":21}],21:[function(require,module,exports){
|
|
/*
|
|
This file is part of ethereum.js.
|
|
|
|
ethereum.js is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
ethereum.js is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/**
|
|
* @file property.js
|
|
* @author Fabian Vogelsteller <fabian@frozeman.de>
|
|
* @author Marek Kotewicz <marek@ethdev.com>
|
|
* @date 2015
|
|
*/
|
|
|
|
var RequestManager = require('./requestmanager');
|
|
|
|
var Property = function (options) {
|
|
this.name = options.name;
|
|
this.getter = options.getter;
|
|
this.setter = options.setter;
|
|
this.outputFormatter = options.outputFormatter;
|
|
this.inputFormatter = options.inputFormatter;
|
|
};
|
|
|
|
/**
|
|
* Should be called to format input args of method
|
|
*
|
|
* @method formatInput
|
|
* @param {Array}
|
|
* @return {Array}
|
|
*/
|
|
Property.prototype.formatInput = function (arg) {
|
|
return this.inputFormatter ? this.inputFormatter(arg) : arg;
|
|
};
|
|
|
|
/**
|
|
* Should be called to format output(result) of method
|
|
*
|
|
* @method formatOutput
|
|
* @param {Object}
|
|
* @return {Object}
|
|
*/
|
|
Property.prototype.formatOutput = function (result) {
|
|
return this.outputFormatter && result !== null ? this.outputFormatter(result) : result;
|
|
};
|
|
|
|
/**
|
|
* Should attach function to method
|
|
*
|
|
* @method attachToObject
|
|
* @param {Object}
|
|
* @param {Function}
|
|
*/
|
|
Property.prototype.attachToObject = function (obj) {
|
|
var proto = {
|
|
get: this.get.bind(this),
|
|
set: this.set.bind(this)
|
|
};
|
|
|
|
var name = this.name.split('.');
|
|
if (name.length > 1) {
|
|
obj[name[0]] = obj[name[0]] || {};
|
|
Object.defineProperty(obj[name[0]], name[1], proto);
|
|
} else {
|
|
Object.defineProperty(obj, name[0], proto);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Should be used to get value of the property
|
|
*
|
|
* @method get
|
|
* @return {Object} value of the property
|
|
*/
|
|
Property.prototype.get = function () {
|
|
return this.formatOutput(RequestManager.getInstance().send({
|
|
method: this.getter
|
|
}));
|
|
};
|
|
|
|
/**
|
|
* Should be used to set value of the property
|
|
*
|
|
* @method set
|
|
* @param {Object} new value of the property
|
|
*/
|
|
Property.prototype.set = function (value) {
|
|
return RequestManager.getInstance().send({
|
|
method: this.setter,
|
|
params: [this.formatInput(value)]
|
|
});
|
|
};
|
|
|
|
module.exports = Property;
|
|
|
|
|
|
},{"./requestmanager":23}],22:[function(require,module,exports){
|
|
/*
|
|
This file is part of ethereum.js.
|
|
|
|
ethereum.js is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
ethereum.js is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/** @file qtsync.js
|
|
* @authors:
|
|
* Marek Kotewicz <marek@ethdev.com>
|
|
* Marian Oancea <marian@ethdev.com>
|
|
* @date 2014
|
|
*/
|
|
|
|
var QtSyncProvider = function () {
|
|
};
|
|
|
|
QtSyncProvider.prototype.send = function (payload) {
|
|
var result = navigator.qt.callMethod(JSON.stringify(payload));
|
|
return JSON.parse(result);
|
|
};
|
|
|
|
module.exports = QtSyncProvider;
|
|
|
|
|
|
},{}],23:[function(require,module,exports){
|
|
/*
|
|
This file is part of ethereum.js.
|
|
|
|
ethereum.js is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
ethereum.js is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/**
|
|
* @file requestmanager.js
|
|
* @author Jeffrey Wilcke <jeff@ethdev.com>
|
|
* @author Marek Kotewicz <marek@ethdev.com>
|
|
* @author Marian Oancea <marian@ethdev.com>
|
|
* @author Fabian Vogelsteller <fabian@ethdev.com>
|
|
* @author Gav Wood <g@ethdev.com>
|
|
* @date 2014
|
|
*/
|
|
|
|
var Jsonrpc = require('./jsonrpc');
|
|
var utils = require('../utils/utils');
|
|
var c = require('../utils/config');
|
|
var errors = require('./errors');
|
|
|
|
/**
|
|
* It's responsible for passing messages to providers
|
|
* It's also responsible for polling the ethereum node for incoming messages
|
|
* Default poll timeout is 1 second
|
|
* Singleton
|
|
*/
|
|
var RequestManager = function (provider) {
|
|
// singleton pattern
|
|
if (arguments.callee._singletonInstance) {
|
|
return arguments.callee._singletonInstance;
|
|
}
|
|
arguments.callee._singletonInstance = this;
|
|
|
|
this.provider = provider;
|
|
this.polls = [];
|
|
this.timeout = null;
|
|
this.poll();
|
|
};
|
|
|
|
/**
|
|
* @return {RequestManager} singleton
|
|
*/
|
|
RequestManager.getInstance = function () {
|
|
var instance = new RequestManager();
|
|
return instance;
|
|
};
|
|
|
|
/**
|
|
* Should be used to synchronously send request
|
|
*
|
|
* @method send
|
|
* @param {Object} data
|
|
* @return {Object}
|
|
*/
|
|
RequestManager.prototype.send = function (data) {
|
|
if (!this.provider) {
|
|
console.error(errors.InvalidProvider);
|
|
return null;
|
|
}
|
|
|
|
var payload = Jsonrpc.getInstance().toPayload(data.method, data.params);
|
|
var result = this.provider.send(payload);
|
|
|
|
if (!Jsonrpc.getInstance().isValidResponse(result)) {
|
|
throw errors.InvalidResponse(result);
|
|
}
|
|
|
|
return result.result;
|
|
};
|
|
|
|
/**
|
|
* Should be used to asynchronously send request
|
|
*
|
|
* @method sendAsync
|
|
* @param {Object} data
|
|
* @param {Function} callback
|
|
*/
|
|
RequestManager.prototype.sendAsync = function (data, callback) {
|
|
if (!this.provider) {
|
|
return callback(errors.InvalidProvider);
|
|
}
|
|
|
|
var payload = Jsonrpc.getInstance().toPayload(data.method, data.params);
|
|
this.provider.sendAsync(payload, function (err, result) {
|
|
if (err) {
|
|
return callback(err);
|
|
}
|
|
|
|
if (!Jsonrpc.getInstance().isValidResponse(result)) {
|
|
return callback(errors.InvalidResponse(result));
|
|
}
|
|
|
|
callback(null, result.result);
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Should be used to set provider of request manager
|
|
*
|
|
* @method setProvider
|
|
* @param {Object}
|
|
*/
|
|
RequestManager.prototype.setProvider = function (p) {
|
|
this.provider = p;
|
|
};
|
|
|
|
/*jshint maxparams:4 */
|
|
|
|
/**
|
|
* Should be used to start polling
|
|
*
|
|
* @method startPolling
|
|
* @param {Object} data
|
|
* @param {Number} pollId
|
|
* @param {Function} callback
|
|
* @param {Function} uninstall
|
|
*
|
|
* @todo cleanup number of params
|
|
*/
|
|
RequestManager.prototype.startPolling = function (data, pollId, callback, uninstall) {
|
|
this.polls.push({data: data, id: pollId, callback: callback, uninstall: uninstall});
|
|
};
|
|
/*jshint maxparams:3 */
|
|
|
|
/**
|
|
* Should be used to stop polling for filter with given id
|
|
*
|
|
* @method stopPolling
|
|
* @param {Number} pollId
|
|
*/
|
|
RequestManager.prototype.stopPolling = function (pollId) {
|
|
for (var i = this.polls.length; i--;) {
|
|
var poll = this.polls[i];
|
|
if (poll.id === pollId) {
|
|
this.polls.splice(i, 1);
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Should be called to reset polling mechanism of request manager
|
|
*
|
|
* @method reset
|
|
*/
|
|
RequestManager.prototype.reset = function () {
|
|
this.polls.forEach(function (poll) {
|
|
poll.uninstall(poll.id);
|
|
});
|
|
this.polls = [];
|
|
|
|
if (this.timeout) {
|
|
clearTimeout(this.timeout);
|
|
this.timeout = null;
|
|
}
|
|
this.poll();
|
|
};
|
|
|
|
/**
|
|
* Should be called to poll for changes on filter with given id
|
|
*
|
|
* @method poll
|
|
*/
|
|
RequestManager.prototype.poll = function () {
|
|
this.timeout = setTimeout(this.poll.bind(this), c.ETH_POLLING_TIMEOUT);
|
|
|
|
if (!this.polls.length) {
|
|
return;
|
|
}
|
|
|
|
if (!this.provider) {
|
|
console.error(errors.InvalidProvider);
|
|
return;
|
|
}
|
|
|
|
var payload = Jsonrpc.getInstance().toBatchPayload(this.polls.map(function (data) {
|
|
return data.data;
|
|
}));
|
|
|
|
var self = this;
|
|
this.provider.sendAsync(payload, function (error, results) {
|
|
// TODO: console log?
|
|
if (error) {
|
|
return;
|
|
}
|
|
|
|
if (!utils.isArray(results)) {
|
|
throw errors.InvalidResponse(results);
|
|
}
|
|
|
|
results.map(function (result, index) {
|
|
result.callback = self.polls[index].callback;
|
|
return result;
|
|
}).filter(function (result) {
|
|
var valid = Jsonrpc.getInstance().isValidResponse(result);
|
|
if (!valid) {
|
|
result.callback(errors.InvalidResponse(result));
|
|
}
|
|
return valid;
|
|
}).filter(function (result) {
|
|
return utils.isArray(result.result) && result.result.length > 0;
|
|
}).forEach(function (result) {
|
|
result.callback(null, result.result);
|
|
});
|
|
});
|
|
};
|
|
|
|
module.exports = RequestManager;
|
|
|
|
|
|
},{"../utils/config":6,"../utils/utils":7,"./errors":12,"./jsonrpc":18}],24:[function(require,module,exports){
|
|
/*
|
|
This file is part of ethereum.js.
|
|
|
|
ethereum.js is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
ethereum.js is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/** @file shh.js
|
|
* @authors:
|
|
* Marek Kotewicz <marek@ethdev.com>
|
|
* @date 2015
|
|
*/
|
|
|
|
var Method = require('./method');
|
|
var formatters = require('./formatters');
|
|
|
|
var post = new Method({
|
|
name: 'post',
|
|
call: 'shh_post',
|
|
params: 1,
|
|
inputFormatter: formatters.inputPostFormatter
|
|
});
|
|
|
|
var newIdentity = new Method({
|
|
name: 'newIdentity',
|
|
call: 'shh_newIdentity',
|
|
params: 0
|
|
});
|
|
|
|
var hasIdentity = new Method({
|
|
name: 'hasIdentity',
|
|
call: 'shh_hasIdentity',
|
|
params: 1
|
|
});
|
|
|
|
var newGroup = new Method({
|
|
name: 'newGroup',
|
|
call: 'shh_newGroup',
|
|
params: 0
|
|
});
|
|
|
|
var addToGroup = new Method({
|
|
name: 'addToGroup',
|
|
call: 'shh_addToGroup',
|
|
params: 0
|
|
});
|
|
|
|
var methods = [
|
|
post,
|
|
newIdentity,
|
|
hasIdentity,
|
|
newGroup,
|
|
addToGroup
|
|
];
|
|
|
|
module.exports = {
|
|
methods: methods
|
|
};
|
|
|
|
|
|
},{"./formatters":16,"./method":19}],25:[function(require,module,exports){
|
|
/*
|
|
This file is part of ethereum.js.
|
|
|
|
ethereum.js is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
ethereum.js is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/** @file signature.js
|
|
* @authors:
|
|
* Marek Kotewicz <marek@ethdev.com>
|
|
* @date 2015
|
|
*/
|
|
|
|
var web3 = require('../web3');
|
|
var c = require('../utils/config');
|
|
|
|
/// @param function name for which we want to get signature
|
|
/// @returns signature of function with given name
|
|
var functionSignatureFromAscii = function (name) {
|
|
return web3.sha3(web3.fromAscii(name)).slice(0, 2 + c.ETH_SIGNATURE_LENGTH * 2);
|
|
};
|
|
|
|
/// @param event name for which we want to get signature
|
|
/// @returns signature of event with given name
|
|
var eventSignatureFromAscii = function (name) {
|
|
return web3.sha3(web3.fromAscii(name));
|
|
};
|
|
|
|
module.exports = {
|
|
functionSignatureFromAscii: functionSignatureFromAscii,
|
|
eventSignatureFromAscii: eventSignatureFromAscii
|
|
};
|
|
|
|
|
|
},{"../utils/config":6,"../web3":9}],26:[function(require,module,exports){
|
|
/*
|
|
This file is part of ethereum.js.
|
|
|
|
ethereum.js is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
ethereum.js is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/** @file watches.js
|
|
* @authors:
|
|
* Marek Kotewicz <marek@ethdev.com>
|
|
* @date 2015
|
|
*/
|
|
|
|
var Method = require('./method');
|
|
|
|
/// @returns an array of objects describing web3.eth.filter api methods
|
|
var eth = function () {
|
|
var newFilterCall = function (args) {
|
|
return typeof args[0] === 'string' ? 'eth_newBlockFilter' : 'eth_newFilter';
|
|
};
|
|
|
|
var newFilter = new Method({
|
|
name: 'newFilter',
|
|
call: newFilterCall,
|
|
params: 1
|
|
});
|
|
|
|
var uninstallFilter = new Method({
|
|
name: 'uninstallFilter',
|
|
call: 'eth_uninstallFilter',
|
|
params: 1
|
|
});
|
|
|
|
var getLogs = new Method({
|
|
name: 'getLogs',
|
|
call: 'eth_getFilterLogs',
|
|
params: 1
|
|
});
|
|
|
|
var poll = new Method({
|
|
name: 'poll',
|
|
call: 'eth_getFilterChanges',
|
|
params: 1
|
|
});
|
|
|
|
return [
|
|
newFilter,
|
|
uninstallFilter,
|
|
getLogs,
|
|
poll
|
|
];
|
|
};
|
|
|
|
/// @returns an array of objects describing web3.shh.watch api methods
|
|
var shh = function () {
|
|
var newFilter = new Method({
|
|
name: 'newFilter',
|
|
call: 'shh_newFilter',
|
|
params: 1
|
|
});
|
|
|
|
var uninstallFilter = new Method({
|
|
name: 'uninstallFilter',
|
|
call: 'shh_uninstallFilter',
|
|
params: 1
|
|
});
|
|
|
|
var getLogs = new Method({
|
|
name: 'getLogs',
|
|
call: 'shh_getMessages',
|
|
params: 1
|
|
});
|
|
|
|
var poll = new Method({
|
|
name: 'poll',
|
|
call: 'shh_getFilterChanges',
|
|
params: 1
|
|
});
|
|
|
|
return [
|
|
newFilter,
|
|
uninstallFilter,
|
|
getLogs,
|
|
poll
|
|
];
|
|
};
|
|
|
|
module.exports = {
|
|
eth: eth,
|
|
shh: shh
|
|
};
|
|
|
|
|
|
},{"./method":19}],"bignumber.js":[function(require,module,exports){
|
|
/*! bignumber.js v2.0.0 https://github.com/MikeMcl/bignumber.js/LICENCE */
|
|
|
|
;(function (global) {
|
|
'use strict';
|
|
|
|
/*
|
|
bignumber.js v2.0.0
|
|
A JavaScript library for arbitrary-precision arithmetic.
|
|
https://github.com/MikeMcl/bignumber.js
|
|
Copyright (c) 2014 Michael Mclaughlin <M8ch88l@gmail.com>
|
|
MIT Expat Licence
|
|
*/
|
|
|
|
/*********************************** DEFAULTS ************************************/
|
|
|
|
/*
|
|
* The default values below must be integers within the inclusive ranges stated.
|
|
* Most of these values can be changed at run-time using the BigNumber.config method.
|
|
*/
|
|
|
|
/*
|
|
* The limit on the value of DECIMAL_PLACES, TO_EXP_NEG, TO_EXP_POS, MIN_EXP,
|
|
* MAX_EXP, and the argument to toExponential, toFixed, toFormat, and toPrecision,
|
|
* beyond which an exception is thrown (if ERRORS is true).
|
|
*/
|
|
var MAX = 1E9, // 0 to 1e+9
|
|
|
|
// Limit of magnitude of exponent argument to toPower.
|
|
MAX_POWER = 1E6, // 1 to 1e+6
|
|
|
|
// The maximum number of decimal places for operations involving division.
|
|
DECIMAL_PLACES = 20, // 0 to MAX
|
|
|
|
/*
|
|
* The rounding mode used when rounding to the above decimal places, and when using
|
|
* toExponential, toFixed, toFormat and toPrecision, and round (default value).
|
|
* UP 0 Away from zero.
|
|
* DOWN 1 Towards zero.
|
|
* CEIL 2 Towards +Infinity.
|
|
* FLOOR 3 Towards -Infinity.
|
|
* HALF_UP 4 Towards nearest neighbour. If equidistant, up.
|
|
* HALF_DOWN 5 Towards nearest neighbour. If equidistant, down.
|
|
* HALF_EVEN 6 Towards nearest neighbour. If equidistant, towards even neighbour.
|
|
* HALF_CEIL 7 Towards nearest neighbour. If equidistant, towards +Infinity.
|
|
* HALF_FLOOR 8 Towards nearest neighbour. If equidistant, towards -Infinity.
|
|
*/
|
|
ROUNDING_MODE = 4, // 0 to 8
|
|
|
|
// EXPONENTIAL_AT : [TO_EXP_NEG , TO_EXP_POS]
|
|
|
|
// The exponent value at and beneath which toString returns exponential notation.
|
|
// Number type: -7
|
|
TO_EXP_NEG = -7, // 0 to -MAX
|
|
|
|
// The exponent value at and above which toString returns exponential notation.
|
|
// Number type: 21
|
|
TO_EXP_POS = 21, // 0 to MAX
|
|
|
|
// RANGE : [MIN_EXP, MAX_EXP]
|
|
|
|
// The minimum exponent value, beneath which underflow to zero occurs.
|
|
// Number type: -324 (5e-324)
|
|
MIN_EXP = -MAX, // -1 to -MAX
|
|
|
|
// The maximum exponent value, above which overflow to Infinity occurs.
|
|
// Number type: 308 (1.7976931348623157e+308)
|
|
MAX_EXP = MAX, // 1 to MAX
|
|
|
|
// Whether BigNumber Errors are ever thrown.
|
|
// CHANGE parseInt to parseFloat if changing ERRORS to false.
|
|
ERRORS = true, // true or false
|
|
parse = parseInt, // parseInt or parseFloat
|
|
|
|
// Format specification for the BigNumber.prototype.toFormat method.
|
|
FORMAT = {
|
|
decimalSeparator: '.',
|
|
groupSeparator: ',',
|
|
groupSize: 3,
|
|
secondaryGroupSize: 0,
|
|
fractionGroupSeparator: '\xA0', // non-breaking space
|
|
fractionGroupSize: 0
|
|
},
|
|
|
|
/***********************************************************************************/
|
|
|
|
P = BigNumber.prototype,
|
|
DIGITS = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ$_',
|
|
outOfRange,
|
|
id = 0,
|
|
mathfloor = Math.floor,
|
|
isValid = /^-?(\d+(\.\d*)?|\.\d+)(e[+-]?\d+)?$/i,
|
|
trim = String.prototype.trim || function () {return this.replace(/^\s+|\s+$/g, '')},
|
|
BASE = 1e14,
|
|
LOG_BASE = 14,
|
|
SQRT_BASE = 1e7,
|
|
POWS_TEN = [1, 10, 100, 1e3, 1e4, 1e5, 1e6, 1e7, 1e8, 1e9, 1e10, 1e11, 1e12, 1e13],
|
|
ONE = new BigNumber(1);
|
|
|
|
|
|
// CONSTRUCTOR
|
|
|
|
|
|
/*
|
|
* The exported function.
|
|
* Create and return a new instance of a BigNumber object.
|
|
*
|
|
* v {number|string|BigNumber} A numeric value.
|
|
* [b] {number} The base of v. Integer, 2 to 64 inclusive.
|
|
*/
|
|
function BigNumber( n, b ) {
|
|
var d, e, i, isNum, str, valid,
|
|
x = this;
|
|
|
|
// Enable constructor usage without new.
|
|
if ( !( x instanceof BigNumber ) ) return new BigNumber( n, b );
|
|
|
|
// Duplicate.
|
|
if ( n instanceof BigNumber ) {
|
|
|
|
if ( b == null ) {
|
|
id = 0;
|
|
x['s'] = n['s'];
|
|
x['e'] = n['e'];
|
|
x['c'] = ( n = n['c'] ) ? n.slice() : n;
|
|
return;
|
|
}
|
|
n += '';
|
|
} else if ( isNum = ( str = typeof n ) == 'number' ) {
|
|
|
|
// Fast path for integers.
|
|
if ( b == null && n === ~~n ) {
|
|
x['s'] = 1 / n < 0 ? ( n = -n, -1 ) : 1;
|
|
for ( e = id = 0, i = n; i >= 10; i /= 10, e++ );
|
|
x['e'] = e;
|
|
x['c'] = [n];
|
|
return;
|
|
}
|
|
|
|
// Minus zero?
|
|
n = n === 0 && 1 / n < 0 ? '-0' : n + '';
|
|
} else if ( str != 'string' ) {
|
|
n += '';
|
|
}
|
|
str = n;
|
|
|
|
if ( b == null && isValid.test(str) ) {
|
|
|
|
// Determine sign.
|
|
x['s'] = str.charCodeAt(0) === 45 ? ( str = str.slice(1), -1 ) : 1;
|
|
|
|
// Either str is not a valid BigNumber or a base has been specified.
|
|
} else {
|
|
|
|
// Enable exponential notation to be used with base 10 argument.
|
|
// Ensure return value is rounded to DECIMAL_PLACES as with other bases.
|
|
if ( b == 10 ) {
|
|
x = new BigNumber(str);
|
|
return rnd( x, DECIMAL_PLACES + x['e'] + 1, ROUNDING_MODE );
|
|
}
|
|
str = trim.call(str).replace( /^\+(?!-)/, '' );
|
|
x['s'] = str.charCodeAt(0) === 45 ? ( str = str.replace( /^-(?!-)/, '' ), -1 ) : 1;
|
|
|
|
if ( b != null ) {
|
|
|
|
if ( ( b == ~~b || !ERRORS ) && !( outOfRange = !( b >= 2 && b < 65 ) ) ) {
|
|
d = '[' + DIGITS.slice( 0, b = b | 0 ) + ']+';
|
|
|
|
// Before non-decimal number validity test and base conversion
|
|
// remove the `.` from e.g. '1.', and replace e.g. '.1' with '0.1'.
|
|
str = str.replace( /\.$/, '' ).replace( /^\./, '0.' );
|
|
|
|
// Any number in exponential form will fail due to the e+/-.
|
|
if ( valid = new RegExp( '^' + d + '(?:\\.' + d + ')?$',
|
|
b < 37 ? 'i' : '' ).test(str) ) {
|
|
|
|
if (isNum) {
|
|
|
|
if ( str.replace( /^0\.0*|\./, '' ).length > 15 ) {
|
|
|
|
// 'new BigNumber() number type has more than 15 significant digits: {n}'
|
|
ifExceptionsThrow( n, 0 );
|
|
}
|
|
|
|
// Prevent later check for length on converted number.
|
|
isNum = !isNum;
|
|
}
|
|
str = convertBase( str, 10, b, x['s'] );
|
|
} else if ( str != 'Infinity' && str != 'NaN' ) {
|
|
|
|
// 'new BigNumber() not a base {b} number: {str}'
|
|
ifExceptionsThrow( n, 1, b );
|
|
n = 'NaN';
|
|
}
|
|
} else {
|
|
|
|
// 'new BigNumber() base not an integer: {b}'
|
|
// 'new BigNumber() base out of range: {b}'
|
|
ifExceptionsThrow( b, 2 );
|
|
|
|
// Ignore base.
|
|
valid = isValid.test(str);
|
|
}
|
|
} else {
|
|
valid = isValid.test(str);
|
|
}
|
|
|
|
if ( !valid ) {
|
|
|
|
// Infinity/NaN
|
|
x['c'] = x['e'] = null;
|
|
|
|
// NaN
|
|
if ( str != 'Infinity' ) {
|
|
|
|
// No exception on NaN.
|
|
// 'new BigNumber() not a number: {n}'
|
|
if ( str != 'NaN' ) ifExceptionsThrow( n, 3 );
|
|
x['s'] = null;
|
|
}
|
|
id = 0;
|
|
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Decimal point?
|
|
if ( ( e = str.indexOf('.') ) > -1 ) str = str.replace( '.', '' );
|
|
|
|
// Exponential form?
|
|
if ( ( i = str.search( /e/i ) ) > 0 ) {
|
|
|
|
// Determine exponent.
|
|
if ( e < 0 ) e = i;
|
|
e += +str.slice( i + 1 );
|
|
str = str.substring( 0, i );
|
|
} else if ( e < 0 ) {
|
|
|
|
// Integer.
|
|
e = str.length;
|
|
}
|
|
|
|
// Determine leading zeros.
|
|
for ( i = 0; str.charCodeAt(i) === 48; i++ );
|
|
|
|
// Determine trailing zeros.
|
|
for ( b = str.length; str.charCodeAt(--b) === 48; );
|
|
str = str.slice( i, b + 1 );
|
|
|
|
if (str) {
|
|
b = str.length;
|
|
|
|
// Disallow numbers with over 15 significant digits if number type.
|
|
// 'new BigNumber() number type has more than 15 significant digits: {n}'
|
|
if ( isNum && b > 15 ) ifExceptionsThrow( n, 0 );
|
|
e = e - i - 1;
|
|
|
|
// Overflow?
|
|
if ( e > MAX_EXP ) {
|
|
|
|
// Infinity.
|
|
x['c'] = x['e'] = null;
|
|
|
|
// Underflow?
|
|
} else if ( e < MIN_EXP ) {
|
|
|
|
// Zero.
|
|
x['c'] = [ x['e'] = 0 ];
|
|
} else {
|
|
x['e'] = e;
|
|
x['c'] = [];
|
|
|
|
// Transform base
|
|
|
|
// e is the base 10 exponent.
|
|
// i is where to slice str to get the first element of the coefficient array.
|
|
i = ( e + 1 ) % LOG_BASE;
|
|
if ( e < 0 ) i += LOG_BASE;
|
|
|
|
// b is str.length.
|
|
if ( i < b ) {
|
|
if (i) x['c'].push( +str.slice( 0, i ) );
|
|
for ( b -= LOG_BASE; i < b; x['c'].push( +str.slice( i, i += LOG_BASE ) ) );
|
|
str = str.slice(i);
|
|
i = LOG_BASE - str.length;
|
|
} else {
|
|
i -= b;
|
|
}
|
|
|
|
for ( ; i--; str += '0' );
|
|
x['c'].push( +str );
|
|
}
|
|
} else {
|
|
|
|
// Zero.
|
|
x['c'] = [ x['e'] = 0 ];
|
|
}
|
|
id = 0;
|
|
}
|
|
|
|
|
|
// CONSTRUCTOR PROPERTIES/METHODS
|
|
|
|
|
|
BigNumber['ROUND_UP'] = 0;
|
|
BigNumber['ROUND_DOWN'] = 1;
|
|
BigNumber['ROUND_CEIL'] = 2;
|
|
BigNumber['ROUND_FLOOR'] = 3;
|
|
BigNumber['ROUND_HALF_UP'] = 4;
|
|
BigNumber['ROUND_HALF_DOWN'] = 5;
|
|
BigNumber['ROUND_HALF_EVEN'] = 6;
|
|
BigNumber['ROUND_HALF_CEIL'] = 7;
|
|
BigNumber['ROUND_HALF_FLOOR'] = 8;
|
|
|
|
|
|
/*
|
|
* Configure infrequently-changing library-wide settings.
|
|
*
|
|
* Accept an object or an argument list, with one or many of the following properties or
|
|
* parameters respectively:
|
|
* [ DECIMAL_PLACES [, ROUNDING_MODE [, EXPONENTIAL_AT [, RANGE [, ERRORS [, FORMAT ]]]]]]
|
|
*
|
|
* DECIMAL_PLACES {number} Integer, 0 to MAX inclusive.
|
|
* ROUNDING_MODE {number} Integer, 0 to 8 inclusive.
|
|
* EXPONENTIAL_AT {number|number[]} Integer, -MAX to MAX inclusive or
|
|
* [ integer -MAX to 0 incl., 0 to MAX incl. ].
|
|
* RANGE {number|number[]} Non-zero integer, -MAX to MAX inclusive or
|
|
* [ integer -MAX to -1 incl., integer 1 to MAX incl. ].
|
|
* ERRORS {boolean|number} true, false, 1 or 0.
|
|
* FORMAT {object} See BigNumber.prototype.toFormat.
|
|
* decimalSeparator {string}
|
|
* groupSeparator {string}
|
|
* groupSize {number}
|
|
* secondaryGroupSize {number}
|
|
* fractionGroupSeparator {string}
|
|
* fractionGroupSize {number}
|
|
*
|
|
* The validity of the values assigned to the above FORMAT object properties is not checked.
|
|
*
|
|
* E.g.
|
|
* BigNumber.config(20, 4) is equivalent to
|
|
* BigNumber.config({ DECIMAL_PLACES : 20, ROUNDING_MODE : 4 })
|
|
*
|
|
* Ignore properties/parameters set to null or undefined.
|
|
* Return an object with the properties current values.
|
|
*/
|
|
BigNumber['config'] = function () {
|
|
var v, p,
|
|
i = 0,
|
|
r = {},
|
|
a = arguments,
|
|
o = a[0],
|
|
c = 'config',
|
|
inRange = function ( n, lo, hi ) {
|
|
return !( ( outOfRange = n < lo || n > hi ) || parse(n) != n && n !== 0 );
|
|
},
|
|
has = o && typeof o == 'object'
|
|
? function () {if ( o.hasOwnProperty(p) ) return ( v = o[p] ) != null}
|
|
: function () {if ( a.length > i ) return ( v = a[i++] ) != null};
|
|
|
|
// [DECIMAL_PLACES] {number} Integer, 0 to MAX inclusive.
|
|
if ( has( p = 'DECIMAL_PLACES' ) ) {
|
|
|
|
if ( inRange( v, 0, MAX ) ) {
|
|
DECIMAL_PLACES = v | 0;
|
|
} else {
|
|
|
|
// 'config() DECIMAL_PLACES not an integer: {v}'
|
|
// 'config() DECIMAL_PLACES out of range: {v}'
|
|
ifExceptionsThrow( v, p, c );
|
|
}
|
|
}
|
|
r[p] = DECIMAL_PLACES;
|
|
|
|
// [ROUNDING_MODE] {number} Integer, 0 to 8 inclusive.
|
|
if ( has( p = 'ROUNDING_MODE' ) ) {
|
|
|
|
if ( inRange( v, 0, 8 ) ) {
|
|
ROUNDING_MODE = v | 0;
|
|
} else {
|
|
|
|
// 'config() ROUNDING_MODE not an integer: {v}'
|
|
// 'config() ROUNDING_MODE out of range: {v}'
|
|
ifExceptionsThrow( v, p, c );
|
|
}
|
|
}
|
|
r[p] = ROUNDING_MODE;
|
|
|
|
// [EXPONENTIAL_AT] {number|number[]}
|
|
// Integer, -MAX to MAX inclusive or [ integer -MAX to 0 inclusive, 0 to MAX inclusive ].
|
|
if ( has( p = 'EXPONENTIAL_AT' ) ) {
|
|
|
|
if ( inRange( v, -MAX, MAX ) ) {
|
|
TO_EXP_NEG = -( TO_EXP_POS = ~~( v < 0 ? -v : +v ) );
|
|
} else if ( !outOfRange && v && inRange( v[0], -MAX, 0 ) && inRange( v[1], 0, MAX ) ) {
|
|
TO_EXP_NEG = ~~v[0];
|
|
TO_EXP_POS = ~~v[1];
|
|
} else {
|
|
|
|
// 'config() EXPONENTIAL_AT not an integer or not [integer, integer]: {v}'
|
|
// 'config() EXPONENTIAL_AT out of range or not [negative, positive: {v}'
|
|
ifExceptionsThrow( v, p, c, 1 );
|
|
}
|
|
}
|
|
r[p] = [ TO_EXP_NEG, TO_EXP_POS ];
|
|
|
|
// [RANGE][ {number|number[]} Non-zero integer, -MAX to MAX inclusive or
|
|
// [ integer -MAX to -1 inclusive, integer 1 to MAX inclusive ].
|
|
if ( has( p = 'RANGE' ) ) {
|
|
|
|
if ( inRange( v, -MAX, MAX ) && ~~v ) {
|
|
MIN_EXP = -( MAX_EXP = ~~( v < 0 ? -v : +v ) );
|
|
} else if ( !outOfRange && v && inRange( v[0], -MAX, -1 ) && inRange( v[1], 1, MAX ) ) {
|
|
MIN_EXP = ~~v[0];
|
|
MAX_EXP = ~~v[1];
|
|
} else {
|
|
|
|
// 'config() RANGE not a non-zero integer or not [integer, integer]: {v}'
|
|
// 'config() RANGE out of range or not [negative, positive: {v}'
|
|
ifExceptionsThrow( v, p, c, 1, 1 );
|
|
}
|
|
}
|
|
r[p] = [ MIN_EXP, MAX_EXP ];
|
|
|
|
// [ERRORS] {boolean|number} true, false, 1 or 0.
|
|
if ( has( p = 'ERRORS' ) ) {
|
|
|
|
if ( v === !!v || v === 1 || v === 0 ) {
|
|
outOfRange = id = 0;
|
|
parse = ( ERRORS = !!v ) ? parseInt : parseFloat;
|
|
} else {
|
|
|
|
// 'config() ERRORS not a boolean or binary digit: {v}'
|
|
ifExceptionsThrow( v, p, c, 0, 0, 1 );
|
|
}
|
|
}
|
|
r[p] = ERRORS;
|
|
|
|
// [FORMAT] {object}
|
|
if ( has( p = 'FORMAT' ) ) {
|
|
|
|
if ( typeof v == 'object' ) {
|
|
FORMAT = v;
|
|
} else if (ERRORS) {
|
|
|
|
// 'config() FORMAT not an object: {v}'
|
|
r = new Error( c + '() ' + p + ' not an object: ' + v );
|
|
r['name'] = 'BigNumber Error';
|
|
throw r;
|
|
}
|
|
}
|
|
r[p] = FORMAT;
|
|
|
|
return r;
|
|
};
|
|
|
|
|
|
// PRIVATE FUNCTIONS
|
|
|
|
|
|
/*
|
|
* Strip trailing zeros, calculate base 10 exponent and check against MIN_EXP and MAX_EXP.
|
|
* Called by minus, plus and times.
|
|
*/
|
|
function normalise( bn, c, e ) {
|
|
var i = 1,
|
|
j = c.length;
|
|
|
|
// Remove trailing zeros.
|
|
for ( ; !c[--j]; c.pop() );
|
|
|
|
// Calculate the base 10 exponent. First get the number of digits of c[0].
|
|
for ( j = c[0]; j >= 10; j /= 10, i++ );
|
|
|
|
// Overflow?
|
|
if ( ( e = i + e * LOG_BASE - 1 ) > MAX_EXP ) {
|
|
|
|
// Infinity.
|
|
bn['c'] = bn['e'] = null;
|
|
|
|
// Underflow?
|
|
} else if ( e < MIN_EXP ) {
|
|
|
|
// Zero.
|
|
bn['c'] = [ bn['e'] = 0 ];
|
|
} else {
|
|
bn['e'] = e;
|
|
bn['c'] = c;
|
|
}
|
|
|
|
return bn;
|
|
}
|
|
|
|
|
|
/*
|
|
* Returns the coefficient array as a string of base 10 digits.
|
|
*/
|
|
function coefficientToString(a) {
|
|
var s, z,
|
|
i = 1,
|
|
j = a.length,
|
|
r = a[0] + '';
|
|
|
|
for ( ; i < j; ) {
|
|
s = a[i++] + '';
|
|
z = LOG_BASE - s.length;
|
|
for ( ; z--; s = '0' + s );
|
|
r += s;
|
|
}
|
|
|
|
// '0'
|
|
for ( j = r.length; r.charCodeAt(--j) === 48; );
|
|
|
|
return r.slice( 0, j + 1 || 1 );
|
|
}
|
|
|
|
|
|
/*
|
|
* Convert string of baseIn to an array of numbers of baseOut.
|
|
* Eg. convertBase('255', 10, 16) returns [15, 15].
|
|
* Eg. convertBase('ff', 16, 10) returns [2, 5, 5].
|
|
*/
|
|
function toBaseOut( str, baseIn, baseOut ) {
|
|
var j,
|
|
arr = [0],
|
|
arrL,
|
|
i = 0,
|
|
strL = str.length;
|
|
|
|
for ( ; i < strL; ) {
|
|
for ( arrL = arr.length; arrL--; arr[arrL] *= baseIn );
|
|
arr[ j = 0 ] += DIGITS.indexOf( str.charAt( i++ ) );
|
|
|
|
for ( ; j < arr.length; j++ ) {
|
|
|
|
if ( arr[j] > baseOut - 1 ) {
|
|
if ( arr[j + 1] == null ) arr[j + 1] = 0;
|
|
arr[j + 1] += arr[j] / baseOut | 0;
|
|
arr[j] %= baseOut;
|
|
}
|
|
}
|
|
}
|
|
|
|
return arr.reverse();
|
|
}
|
|
|
|
/*
|
|
* Convert a numeric string of baseIn to a numeric string of baseOut.
|
|
*/
|
|
function convertBase( str, baseOut, baseIn, sign ) {
|
|
var d, e, j, r, x, xc, y,
|
|
i = str.indexOf( '.' ),
|
|
rm = ROUNDING_MODE;
|
|
|
|
if ( baseIn < 37 ) str = str.toLowerCase();
|
|
|
|
// Non-integer.
|
|
if ( i >= 0 ) {
|
|
str = str.replace( '.', '' );
|
|
y = new BigNumber(baseIn);
|
|
x = y['pow']( str.length - i );
|
|
|
|
// Convert str as if an integer, then restore the fraction part by dividing the result
|
|
// by its base raised to a power. Use toFixed to avoid possible exponential notation.
|
|
y['c'] = toBaseOut( x.toFixed(), 10, baseOut );
|
|
y['e'] = y['c'].length;
|
|
}
|
|
|
|
// Convert the number as integer.
|
|
xc = toBaseOut( str, baseIn, baseOut );
|
|
e = j = xc.length;
|
|
|
|
// Remove trailing zeros.
|
|
for ( ; xc[--j] == 0; xc.pop() );
|
|
if ( !xc[0] ) return '0';
|
|
|
|
if ( i < 0 ) {
|
|
--e;
|
|
} else {
|
|
x['c'] = xc;
|
|
x['e'] = e;
|
|
// sign is needed for correct rounding.
|
|
x['s'] = sign;
|
|
x = div( x, y, DECIMAL_PLACES, rm, baseOut );
|
|
xc = x['c'];
|
|
r = x['r'];
|
|
e = x['e'];
|
|
}
|
|
d = e + DECIMAL_PLACES + 1;
|
|
|
|
// The rounding digit, i.e. the digit after the digit that may be rounded up.
|
|
i = xc[d];
|
|
j = baseOut / 2;
|
|
r = r || d < 0 || xc[d + 1] != null;
|
|
|
|
r = rm < 4
|
|
? ( i != null || r ) && ( rm == 0 || rm == ( x['s'] < 0 ? 3 : 2 ) )
|
|
: i > j || i == j &&
|
|
( rm == 4 || r || rm == 6 && xc[d - 1] & 1 || rm == ( x['s'] < 0 ? 8 : 7 ) );
|
|
|
|
if ( d < 1 || !xc[0] ) {
|
|
xc.length = 1;
|
|
j = 0;
|
|
|
|
if (r) {
|
|
|
|
// 1, 0.1, 0.01, 0.001, 0.0001 etc.
|
|
xc[0] = 1;
|
|
e = -DECIMAL_PLACES;
|
|
} else {
|
|
|
|
// Zero.
|
|
e = xc[0] = 0;
|
|
}
|
|
} else {
|
|
xc.length = d;
|
|
|
|
if (r) {
|
|
|
|
// Rounding up may mean the previous digit has to be rounded up and so on.
|
|
for ( --baseOut; ++xc[--d] > baseOut; ) {
|
|
xc[d] = 0;
|
|
|
|
if ( !d ) {
|
|
++e;
|
|
xc.unshift(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Determine trailing zeros.
|
|
for ( j = xc.length; !xc[--j]; );
|
|
}
|
|
|
|
// E.g. [4, 11, 15] becomes 4bf.
|
|
for ( i = 0, str = ''; i <= j; str += DIGITS.charAt( xc[i++] ) );
|
|
|
|
// Negative exponent?
|
|
if ( e < 0 ) {
|
|
|
|
// Prepend zeros.
|
|
for ( ; ++e; str = '0' + str );
|
|
str = '0.' + str;
|
|
|
|
// Positive exponent?
|
|
} else {
|
|
i = str.length;
|
|
|
|
// Append zeros.
|
|
if ( ++e > i ) {
|
|
for ( e -= i; e-- ; str += '0' );
|
|
} else if ( e < i ) {
|
|
str = str.slice( 0, e ) + '.' + str.slice(e);
|
|
}
|
|
}
|
|
|
|
// No negative numbers: the caller will add the sign.
|
|
return str;
|
|
}
|
|
|
|
|
|
/*
|
|
* Perform division in the specified base. Called by div and convertBase.
|
|
*/
|
|
var div = ( function () {
|
|
|
|
// Assumes non-zero x and k.
|
|
function multiply( x, k, base ) {
|
|
var m, temp, xlo, xhi,
|
|
carry = 0,
|
|
i = x.length,
|
|
klo = k % SQRT_BASE,
|
|
khi = k / SQRT_BASE | 0;
|
|
|
|
for ( x = x.slice(); i--; ) {
|
|
xlo = x[i] % SQRT_BASE;
|
|
xhi = x[i] / SQRT_BASE | 0;
|
|
m = khi * xlo + xhi * klo;
|
|
temp = klo * xlo + ( ( m % SQRT_BASE ) * SQRT_BASE ) + carry;
|
|
carry = ( temp / base | 0 ) + ( m / SQRT_BASE | 0 ) + khi * xhi;
|
|
x[i] = temp % base;
|
|
}
|
|
if (carry) x.unshift(carry);
|
|
|
|
return x;
|
|
}
|
|
|
|
function compare( a, b, aL, bL ) {
|
|
var i, cmp;
|
|
|
|
if ( aL != bL ) {
|
|
cmp = aL > bL ? 1 : -1;
|
|
} else {
|
|
|
|
for ( i = cmp = 0; i < aL; i++ ) {
|
|
|
|
if ( a[i] != b[i] ) {
|
|
cmp = a[i] > b[i] ? 1 : -1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return cmp;
|
|
}
|
|
|
|
function subtract( a, b, aL, base ) {
|
|
var i = 0;
|
|
|
|
// Subtract b from a.
|
|
for ( ; aL--; ) {
|
|
a[aL] -= i;
|
|
i = a[aL] < b[aL] ? 1 : 0;
|
|
a[aL] = i * base + a[aL] - b[aL];
|
|
}
|
|
|
|
// Remove leading zeros.
|
|
for ( ; !a[0] && a.length > 1; a.shift() );
|
|
}
|
|
|
|
// x: dividend, y: divisor.
|
|
return function ( x, y, dp, rm, base ) {
|
|
var cmp, e, i, more, n, prod, prodL, q, qc, rem, remL, rem0, xi, xL, yc0,
|
|
yL, yz,
|
|
s = x['s'] == y['s'] ? 1 : -1,
|
|
xc = x['c'],
|
|
yc = y['c'];
|
|
|
|
// Either NaN, Infinity or 0?
|
|
if ( !xc || !xc[0] || !yc || !yc[0] ) {
|
|
|
|
return new BigNumber(
|
|
|
|
// Return NaN if either NaN, or both Infinity or 0.
|
|
!x['s'] || !y['s'] || ( xc ? yc && xc[0] == yc[0] : !yc ) ? NaN :
|
|
|
|
// Return +-0 if x is 0 or y is +-Infinity, or return +-Infinity as y is 0.
|
|
xc && xc[0] == 0 || !yc ? s * 0 : s / 0
|
|
);
|
|
}
|
|
|
|
q = new BigNumber(s);
|
|
qc = q['c'] = [];
|
|
e = x['e'] - y['e'];
|
|
s = dp + e + 1;
|
|
|
|
if ( !base ) {
|
|
base = BASE;
|
|
|
|
//e = mathfloor( x['e'] / LOG_BASE ) - mathfloor( y['e'] / LOG_BASE );
|
|
e = ( xL = x['e'] / LOG_BASE, i = xL | 0, xL > 0 || xL === i ? i : i - 1 ) -
|
|
( yL = y['e'] / LOG_BASE, i = yL | 0, yL > 0 || yL === i ? i : i - 1 );
|
|
|
|
s = s / LOG_BASE | 0;
|
|
}
|
|
|
|
// Result exponent may be one less then the current value of e.
|
|
// The coefficients of the BigNumbers from convertBase may have trailing zeros.
|
|
for ( i = 0; yc[i] == ( xc[i] || 0 ); i++ );
|
|
if ( yc[i] > ( xc[i] || 0 ) ) e--;
|
|
|
|
if ( s < 0 ) {
|
|
qc.push(1);
|
|
more = true;
|
|
} else {
|
|
xL = xc.length;
|
|
yL = yc.length;
|
|
i = 0;
|
|
s += 2;
|
|
|
|
/*
|
|
// TODO: fast path division when divisor < base
|
|
if ( yL == 1 ) {
|
|
n = 0;
|
|
yc = yc[0];
|
|
s++;
|
|
// n is the carry.
|
|
for ( ; ( i < xL || n ) && s--; i++ ) {
|
|
// Can't use this, it will overflow 2^53.
|
|
var t = n * base + ( xc[i] || 0 );
|
|
qc[i] = mathfloor( t / yc );
|
|
n = t % yc;
|
|
}
|
|
more = n || i < xL;
|
|
|
|
// divisor >= base
|
|
} else {
|
|
*/
|
|
// Normalise xc and yc so highest order digit of yc is >= base/2
|
|
|
|
n = mathfloor( base / ( yc[0] + 1 ) );
|
|
|
|
if ( n > 1 ) {
|
|
yc = multiply( yc, n, base );
|
|
xc = multiply( xc, n, base );
|
|
yL = yc.length;
|
|
xL = xc.length;
|
|
}
|
|
|
|
xi = yL;
|
|
rem = xc.slice( 0, yL );
|
|
remL = rem.length;
|
|
|
|
// Add zeros to make remainder as long as divisor.
|
|
for ( ; remL < yL; rem[remL++] = 0 );
|
|
yz = yc.slice();
|
|
yz.unshift(0);
|
|
yc0 = yc[0];
|
|
if ( yc[1] >= base / 2 ) yc0++;
|
|
|
|
do {
|
|
n = 0;
|
|
|
|
// Compare divisor and remainder.
|
|
cmp = compare( yc, rem, yL, remL );
|
|
|
|
// If divisor < remainder.
|
|
if ( cmp < 0 ) {
|
|
|
|
// Calculate trial digit, n.
|
|
|
|
rem0 = rem[0];
|
|
if ( yL != remL ) rem0 = rem0 * base + ( rem[1] || 0 );
|
|
|
|
// n is how many times the divisor goes into the current remainder.
|
|
n = mathfloor( rem0 / yc0 );
|
|
|
|
|
|
// Algorithm:
|
|
// 1. product = divisor * trial digit (n)
|
|
// 2. if product > remainder: product -= divisor, n--
|
|
// 3. remainder -= product
|
|
// 4. if product was < remainder at 2:
|
|
// 5. compare new remainder and divisor
|
|
// 6. If remainder > divisor: remainder -= divisor, n++
|
|
|
|
if ( n > 1 ) {
|
|
if ( n >= base ) n = base - 1;
|
|
|
|
// product = divisor * trial digit.
|
|
prod = multiply( yc, n, base );
|
|
prodL = prod.length;
|
|
remL = rem.length;
|
|
|
|
// Compare product and remainder.
|
|
cmp = compare( prod, rem, prodL, remL );
|
|
|
|
// product > remainder.
|
|
if ( cmp == 1 ) {
|
|
n--;
|
|
|
|
// Subtract divisor from product.
|
|
subtract( prod, yL < prodL ? yz : yc, prodL, base );
|
|
}
|
|
} else {
|
|
|
|
// cmp is -1.
|
|
// If n is 0, there is no need to compare yc and rem again below,
|
|
// so change cmp to 1 to avoid it.
|
|
// If n is 1, compare yc and rem again below.
|
|
if ( n == 0 ) cmp = n = 1;
|
|
prod = yc.slice();
|
|
}
|
|
|
|
prodL = prod.length;
|
|
if ( prodL < remL ) prod.unshift(0);
|
|
|
|
// Subtract product from remainder.
|
|
subtract( rem, prod, remL, base );
|
|
|
|
// If product was < previous remainder.
|
|
if ( cmp == -1 ) {
|
|
remL = rem.length;
|
|
|
|
// Compare divisor and new remainder.
|
|
cmp = compare( yc, rem, yL, remL );
|
|
|
|
// If divisor < new remainder, subtract divisor from remainder.
|
|
if ( cmp < 1 ) {
|
|
n++;
|
|
|
|
// Subtract divisor from remainder.
|
|
subtract( rem, yL < remL ? yz : yc, remL, base );
|
|
}
|
|
}
|
|
remL = rem.length;
|
|
} else if ( cmp === 0 ) {
|
|
n++;
|
|
rem = [0];
|
|
} // if cmp === 1, n will be 0
|
|
|
|
// Add the next digit, n, to the result array.
|
|
qc[i++] = n;
|
|
|
|
// Update the remainder.
|
|
if ( cmp && rem[0] ) {
|
|
rem[remL++] = xc[xi] || 0;
|
|
} else {
|
|
rem = [ xc[xi] ];
|
|
remL = 1;
|
|
}
|
|
} while ( ( xi++ < xL || rem[0] != null ) && s-- );
|
|
|
|
more = rem[0] != null;
|
|
//}
|
|
|
|
// Leading zero?
|
|
if ( !qc[0] ) qc.shift();
|
|
}
|
|
|
|
if ( base == BASE ) {
|
|
|
|
// To calculate q.e, first get the number of digits of qc[0].
|
|
for ( i = 1, s = qc[0]; s >= 10; s /= 10, i++ );
|
|
rnd( q, dp + ( q['e'] = i + e * LOG_BASE - 1 ) + 1, rm, more );
|
|
|
|
// div is being used for base conversion.
|
|
} else {
|
|
q['e'] = e;
|
|
q['r'] = +more;
|
|
}
|
|
return q;
|
|
};
|
|
})();
|
|
|
|
|
|
/*
|
|
* Return a string representing the value of BigNumber n in normal or exponential notation
|
|
* rounded to the specified decimal places or significant digits.
|
|
*
|
|
* Called by toString (k: 1), toExponential (k: 1), toFixed (k: undefined), toPrecision (k: 2).
|
|
* i is the index (with the value in normal notation) of the digit that may be rounded up.
|
|
* d is the number of digits required including fraction-part trailing zeros.
|
|
* z is the number of zeros to be appended.
|
|
*/
|
|
function format( n, i, k ) {
|
|
var d, str, z,
|
|
e = ( n = new BigNumber(n) )['e'];
|
|
|
|
// i == null when toExponential(no arg), or toString() when x >= toExpPos etc.
|
|
if ( i == null ) {
|
|
d = 0;
|
|
} else {
|
|
rnd( n, ++i, ROUNDING_MODE );
|
|
|
|
// n['e'] may have changed if the value was rounded up.
|
|
d = k ? i : i + n['e'] - e;
|
|
e = n['e'];
|
|
}
|
|
str = coefficientToString( n['c'] );
|
|
|
|
// toPrecision returns exponential notation if the number of significant digits specified
|
|
// is less than the number of digits necessary to represent the integer part of the value
|
|
// in normal notation.
|
|
|
|
// Exponential notation.
|
|
if ( k == 1 || k == 2 && ( i <= e || e <= TO_EXP_NEG ) ) {
|
|
|
|
// Append zeros?
|
|
for ( ; str.length < d; str += '0' );
|
|
if ( str.length > 1 ) str = str.charAt(0) + '.' + str.slice(1);
|
|
str += ( e < 0 ? 'e' : 'e+' ) + e;
|
|
|
|
// Fixed point notation.
|
|
} else {
|
|
k = str.length;
|
|
|
|
// Negative exponent?
|
|
if ( e < 0 ) {
|
|
z = d - k;
|
|
|
|
// Prepend zeros.
|
|
for ( ; ++e; str = '0' + str );
|
|
str = '0.' + str;
|
|
|
|
// Positive exponent?
|
|
} else {
|
|
|
|
if ( ++e > k ) {
|
|
z = d - e;
|
|
|
|
// Append zeros.
|
|
for ( e -= k; e-- ; str += '0' );
|
|
if ( z > 0 ) str += '.';
|
|
} else {
|
|
z = d - k;
|
|
|
|
if ( e < k ) {
|
|
str = str.slice( 0, e ) + '.' + str.slice(e);
|
|
} else if ( z > 0 ) {
|
|
str += '.';
|
|
}
|
|
}
|
|
}
|
|
|
|
// Append more zeros?
|
|
if ( z > 0 ) for ( ; z--; str += '0' );
|
|
}
|
|
return n['s'] < 0 && n['c'][0] ? '-' + str : str;
|
|
}
|
|
|
|
|
|
// Assemble error messages. Throw BigNumber Errors.
|
|
function ifExceptionsThrow( arg, i, j, isArray, isRange, isErrors) {
|
|
|
|
if (ERRORS) {
|
|
var error,
|
|
method = ['new BigNumber', 'cmp', 'div', 'eq', 'gt', 'gte', 'lt',
|
|
'lte', 'minus', 'mod', 'plus', 'times', 'toFraction', 'divToInt'
|
|
][ id ? id < 0 ? -id : id : 1 / id < 0 ? 1 : 0 ] + '()',
|
|
message = outOfRange ? ' out of range' : ' not a' +
|
|
( isRange ? ' non-zero' : 'n' ) + ' integer';
|
|
|
|
message = ( [
|
|
method + ' number type has more than 15 significant digits',
|
|
method + ' not a base ' + j + ' number',
|
|
method + ' base' + message,
|
|
method + ' not a number' ][i] ||
|
|
j + '() ' + i + ( isErrors
|
|
? ' not a boolean or binary digit'
|
|
: message + ( isArray
|
|
? ' or not [' + ( outOfRange
|
|
? ' negative, positive'
|
|
: ' integer, integer' ) + ' ]'
|
|
: '' ) ) ) + ': ' + arg;
|
|
|
|
outOfRange = id = 0;
|
|
error = new Error(message);
|
|
error['name'] = 'BigNumber Error';
|
|
throw error;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Round x to sd significant digits using rounding mode rm. Check for over/under-flow.
|
|
*/
|
|
function rnd( x, sd, rm, r ) {
|
|
var d, i, j, k, n, ni, rd, xc,
|
|
pows10 = POWS_TEN;
|
|
|
|
// if x is not Infinity or NaN...
|
|
if ( xc = x['c'] ) {
|
|
|
|
// rd: the rounding digit, i.e. the digit after the digit that may be rounded up
|
|
// n: a base 1e14 number, the value of the element of array x.c containing rd
|
|
// ni: the index of n within x.c
|
|
// d: the number of digits of n
|
|
// i: what would be the index of rd within n if all the numbers were 14 digits long
|
|
// (i.e. they had leading zeros)
|
|
// j: if > 0, the actual index of rd within n (if < 0, rd is a leading zero)
|
|
out: {
|
|
|
|
// Get the number of digits of the first element of xc.
|
|
for ( d = 1, k = xc[0]; k >= 10; k /= 10, d++ );
|
|
i = sd - d;
|
|
|
|
// If the rounding digit is in the first element of xc...
|
|
if ( i < 0 ) {
|
|
i += LOG_BASE;
|
|
j = sd;
|
|
n = xc[ ni = 0 ];
|
|
|
|
// Get the rounding digit at index j of n.
|
|
rd = n / pows10[ d - j - 1 ] % 10 | 0;
|
|
} else {
|
|
ni = Math.ceil( ( i + 1 ) / LOG_BASE );
|
|
|
|
if ( ni >= xc.length ) {
|
|
|
|
if (r) {
|
|
|
|
// Needed by sqrt.
|
|
for ( ; xc.length <= ni; xc.push(0) );
|
|
n = rd = 0;
|
|
d = 1;
|
|
i %= LOG_BASE;
|
|
j = i - LOG_BASE + 1;
|
|
} else {
|
|
break out;
|
|
}
|
|
} else {
|
|
n = k = xc[ni];
|
|
|
|
// Get the number of digits of n.
|
|
for ( d = 1; k >= 10; k /= 10, d++ );
|
|
|
|
// Get the index of rd within n.
|
|
i %= LOG_BASE;
|
|
|
|
// Get the index of rd within n, adjusted for leading zeros.
|
|
// The number of leading zeros of n is given by LOG_BASE - d.
|
|
j = i - LOG_BASE + d;
|
|
|
|
// Get the rounding digit at index j of n.
|
|
rd = j < 0 ? 0 : n / pows10[ d - j - 1 ] % 10 | 0;
|
|
}
|
|
}
|
|
|
|
r = r || sd < 0 ||
|
|
|
|
// Are there any non-zero digits after the rounding digit?
|
|
// The expression n % pows10[ d - j - 1 ] returns all the digits of n to the right
|
|
// of the digit at j, e.g. if n is 908714 and j is 2, the expression gives 714.
|
|
xc[ni + 1] != null || ( j < 0 ? n : n % pows10[ d - j - 1 ] );
|
|
|
|
r = rm < 4
|
|
? ( rd || r ) && ( rm == 0 || rm == ( x['s'] < 0 ? 3 : 2 ) )
|
|
: rd > 5 || rd == 5 && ( rm == 4 || r || rm == 6 &&
|
|
|
|
// Check whether the digit to the left of the rounding digit is odd.
|
|
( ( i > 0 ? j > 0 ? n / pows10[ d - j ] : 0 : xc[ni - 1] ) % 10 ) & 1 ||
|
|
rm == ( x['s'] < 0 ? 8 : 7 ) );
|
|
|
|
if ( sd < 1 || !xc[0] ) {
|
|
xc.length = 0;
|
|
|
|
if (r) {
|
|
|
|
// Convert sd to decimal places.
|
|
sd -= x['e'] + 1;
|
|
|
|
// 1, 0.1, 0.01, 0.001, 0.0001 etc.
|
|
xc[0] = pows10[ sd % LOG_BASE ];
|
|
x['e'] = -sd || 0;
|
|
} else {
|
|
|
|
// Zero.
|
|
xc[0] = x['e'] = 0;
|
|
}
|
|
|
|
return x;
|
|
}
|
|
|
|
// Remove excess digits.
|
|
if ( i == 0 ) {
|
|
xc.length = ni;
|
|
k = 1;
|
|
ni--;
|
|
} else {
|
|
xc.length = ni + 1;
|
|
k = pows10[ LOG_BASE - i ];
|
|
|
|
// E.g. 56700 becomes 56000 if 7 is the rounding digit.
|
|
// j > 0 means i > number of leading zeros of n.
|
|
xc[ni] = j > 0 ? mathfloor( n / pows10[ d - j ] % pows10[j] ) * k : 0;
|
|
}
|
|
|
|
// Round up?
|
|
if (r) {
|
|
|
|
for ( ; ; ) {
|
|
|
|
// If the digit to be rounded up is in the first element of xc...
|
|
if ( ni == 0 ) {
|
|
|
|
// i will be the length of xc[0] before k is added.
|
|
for ( i = 1, j = xc[0]; j >= 10; j /= 10, i++ );
|
|
j = xc[0] += k;
|
|
for ( k = 1; j >= 10; j /= 10, k++ );
|
|
|
|
// if i != k the length has increased.
|
|
if ( i != k ) {
|
|
x['e']++;
|
|
if ( xc[0] == BASE ) xc[0] = 1;
|
|
}
|
|
break;
|
|
} else {
|
|
xc[ni] += k;
|
|
if ( xc[ni] != BASE ) break;
|
|
xc[ni--] = 0;
|
|
k = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Remove trailing zeros.
|
|
for ( i = xc.length; xc[--i] === 0; xc.pop() );
|
|
}
|
|
|
|
// Overflow? Infinity.
|
|
if ( x['e'] > MAX_EXP ) {
|
|
x['c'] = x['e'] = null;
|
|
|
|
// Underflow? Zero.
|
|
} else if ( x['e'] < MIN_EXP ) {
|
|
x['c'] = [ x['e'] = 0 ];
|
|
}
|
|
}
|
|
|
|
return x;
|
|
}
|
|
|
|
|
|
// PROTOTYPE/INSTANCE METHODS
|
|
|
|
|
|
/*
|
|
* Return a new BigNumber whose value is the absolute value of this BigNumber.
|
|
*/
|
|
P['absoluteValue'] = P['abs'] = function () {
|
|
var x = new BigNumber(this);
|
|
if ( x['s'] < 0 ) x['s'] = 1;
|
|
return x;
|
|
};
|
|
|
|
|
|
/*
|
|
* Return a new BigNumber whose value is the value of this BigNumber rounded to a whole number
|
|
* in the direction of Infinity.
|
|
*/
|
|
P['ceil'] = function () {
|
|
return rnd( new BigNumber(this), this['e'] + 1, 2 );
|
|
};
|
|
|
|
|
|
/*
|
|
* Return
|
|
* 1 if the value of this BigNumber is greater than the value of BigNumber(y, b),
|
|
* -1 if the value of this BigNumber is less than the value of BigNumber(y, b),
|
|
* 0 if they have the same value,
|
|
* or null if the value of either is NaN.
|
|
*/
|
|
P['comparedTo'] = P['cmp'] = function ( y, b ) {
|
|
var a,
|
|
x = this,
|
|
xc = x['c'],
|
|
yc = ( id = -id, y = new BigNumber( y, b ) )['c'],
|
|
i = x['s'],
|
|
j = y['s'],
|
|
k = x['e'],
|
|
l = y['e'];
|
|
|
|
// Either NaN?
|
|
if ( !i || !j ) return null;
|
|
|
|
a = xc && !xc[0];
|
|
b = yc && !yc[0];
|
|
|
|
// Either zero?
|
|
if ( a || b ) return a ? b ? 0 : -j : i;
|
|
|
|
// Signs differ?
|
|
if ( i != j ) return i;
|
|
|
|
a = i < 0;
|
|
b = k == l;
|
|
|
|
// Either Infinity?
|
|
if ( !xc || !yc ) return b ? 0 : !xc ^ a ? 1 : -1;
|
|
|
|
// Compare exponents.
|
|
if ( !b ) return k > l ^ a ? 1 : -1;
|
|
i = -1;
|
|
j = ( k = xc.length ) < ( l = yc.length ) ? k : l;
|
|
|
|
// Compare digit by digit.
|
|
for ( ; ++i < j; ) if ( xc[i] != yc[i] ) return xc[i] > yc[i] ^ a ? 1 : -1;
|
|
|
|
// Compare lengths.
|
|
return k == l ? 0 : k > l ^ a ? 1 : -1;
|
|
};
|
|
|
|
|
|
/*
|
|
* Return the number of decimal places of the value of this BigNumber, or null if the value of
|
|
* this BigNumber is +-Infinity or NaN.
|
|
*/
|
|
P['decimalPlaces'] = P['dp'] = function () {
|
|
var n, v,
|
|
c = this['c'];
|
|
|
|
if ( !c ) return null;
|
|
n = ( ( v = c.length - 1 ) - mathfloor( this['e'] / LOG_BASE ) ) * LOG_BASE;
|
|
|
|
// Subtract the number of trailing zeros of the last number.
|
|
if ( v = c[v] ) for ( ; v % 10 == 0; v /= 10, n-- );
|
|
if ( n < 0 ) n = 0;
|
|
|
|
return n;
|
|
};
|
|
|
|
|
|
/*
|
|
* n / 0 = I
|
|
* n / N = N
|
|
* n / I = 0
|
|
* 0 / n = 0
|
|
* 0 / 0 = N
|
|
* 0 / N = N
|
|
* 0 / I = 0
|
|
* N / n = N
|
|
* N / 0 = N
|
|
* N / N = N
|
|
* N / I = N
|
|
* I / n = I
|
|
* I / 0 = I
|
|
* I / N = N
|
|
* I / I = N
|
|
*
|
|
* Return a new BigNumber whose value is the value of this BigNumber divided by the value of
|
|
* BigNumber(y, b), rounded according to DECIMAL_PLACES and ROUNDING_MODE.
|
|
*/
|
|
P['dividedBy'] = P['div'] = function ( y, b ) {
|
|
id = 2;
|
|
return div( this, new BigNumber( y, b ), DECIMAL_PLACES, ROUNDING_MODE );
|
|
};
|
|
|
|
|
|
/*
|
|
* Return a new BigNumber whose value is the integer part of dividing the value of this
|
|
* BigNumber by the value of BigNumber(y, b).
|
|
*/
|
|
P['dividedToIntegerBy'] = P['divToInt'] = function ( y, b ) {
|
|
id = 13;
|
|
return div( this, new BigNumber( y, b ), 0, 1 );
|
|
};
|
|
|
|
|
|
/*
|
|
* Return true if the value of this BigNumber is equal to the value of BigNumber(n, b),
|
|
* otherwise returns false.
|
|
*/
|
|
P['equals'] = P['eq'] = function ( n, b ) {
|
|
id = 3;
|
|
return this['cmp']( n, b ) === 0;
|
|
};
|
|
|
|
|
|
/*
|
|
* Return a new BigNumber whose value is the value of this BigNumber rounded to a whole number
|
|
* in the direction of -Infinity.
|
|
*/
|
|
P['floor'] = function () {
|
|
return rnd( new BigNumber(this), this['e'] + 1, 3 );
|
|
};
|
|
|
|
|
|
/*
|
|
* Return true if the value of this BigNumber is greater than the value of BigNumber(n, b),
|
|
* otherwise returns false.
|
|
*/
|
|
P['greaterThan'] = P['gt'] = function ( n, b ) {
|
|
id = 4;
|
|
return this['cmp']( n, b ) > 0;
|
|
};
|
|
|
|
|
|
/*
|
|
* Return true if the value of this BigNumber is greater than or equal to the value of
|
|
* BigNumber(n, b), otherwise returns false.
|
|
*/
|
|
P['greaterThanOrEqualTo'] = P['gte'] = function ( n, b ) {
|
|
id = 5;
|
|
return ( b = this['cmp']( n, b ) ) == 1 || b === 0;
|
|
};
|
|
|
|
|
|
/*
|
|
* Return true if the value of this BigNumber is a finite number, otherwise returns false.
|
|
*/
|
|
P['isFinite'] = function () {
|
|
return !!this['c'];
|
|
};
|
|
|
|
|
|
/*
|
|
* Return true if the value of this BigNumber is an integer, otherwise return false.
|
|
*/
|
|
P['isInteger'] = P['isInt'] = function () {
|
|
return !!this['c'] && mathfloor( this['e'] / LOG_BASE ) > this['c'].length - 2;
|
|
};
|
|
|
|
|
|
/*
|
|
* Return true if the value of this BigNumber is NaN, otherwise returns false.
|
|
*/
|
|
P['isNaN'] = function () {
|
|
return !this['s'];
|
|
};
|
|
|
|
|
|
/*
|
|
* Return true if the value of this BigNumber is negative, otherwise returns false.
|
|
*/
|
|
P['isNegative'] = P['isNeg'] = function () {
|
|
return this['s'] < 0;
|
|
};
|
|
|
|
|
|
/*
|
|
* Return true if the value of this BigNumber is 0 or -0, otherwise returns false.
|
|
*/
|
|
P['isZero'] = function () {
|
|
return !!this['c'] && this['c'][0] == 0;
|
|
};
|
|
|
|
|
|
/*
|
|
* Return true if the value of this BigNumber is less than the value of BigNumber(n, b),
|
|
* otherwise returns false.
|
|
*/
|
|
P['lessThan'] = P['lt'] = function ( n, b ) {
|
|
id = 6;
|
|
return this['cmp']( n, b ) < 0;
|
|
};
|
|
|
|
|
|
/*
|
|
* Return true if the value of this BigNumber is less than or equal to the value of
|
|
* BigNumber(n, b), otherwise returns false.
|
|
*/
|
|
P['lessThanOrEqualTo'] = P['lte'] = function ( n, b ) {
|
|
id = 7;
|
|
return ( b = this['cmp']( n, b ) ) == -1 || b === 0;
|
|
};
|
|
|
|
|
|
/*
|
|
* n - 0 = n
|
|
* n - N = N
|
|
* n - I = -I
|
|
* 0 - n = -n
|
|
* 0 - 0 = 0
|
|
* 0 - N = N
|
|
* 0 - I = -I
|
|
* N - n = N
|
|
* N - 0 = N
|
|
* N - N = N
|
|
* N - I = N
|
|
* I - n = I
|
|
* I - 0 = I
|
|
* I - N = N
|
|
* I - I = N
|
|
*
|
|
* Return a new BigNumber whose value is the value of this BigNumber minus the value of
|
|
* BigNumber(y, b).
|
|
*/
|
|
P['minus'] = function ( y, b ) {
|
|
var i, j, t, xLTy,
|
|
x = this,
|
|
a = x['s'];
|
|
|
|
id = 8;
|
|
y = new BigNumber( y, b );
|
|
b = y['s'];
|
|
|
|
// Either NaN?
|
|
if ( !a || !b ) return new BigNumber(NaN);
|
|
|
|
// Signs differ?
|
|
if ( a != b ) {
|
|
y['s'] = -b;
|
|
return x['plus'](y);
|
|
}
|
|
|
|
var xe = x['e'] / LOG_BASE,
|
|
ye = y['e'] / LOG_BASE,
|
|
xc = x['c'],
|
|
yc = y['c'];
|
|
|
|
if ( !xe || !ye ) {
|
|
|
|
// Either Infinity?
|
|
if ( !xc || !yc ) return xc ? ( y['s'] = -b, y ) : new BigNumber( yc ? x : NaN );
|
|
|
|
// Either zero?
|
|
if ( !xc[0] || !yc[0] ) {
|
|
|
|
// Return y if y is non-zero, x if x is non-zero, or zero if both are zero.
|
|
return yc[0] ? ( y['s'] = -b, y ) : new BigNumber( xc[0] ? x :
|
|
|
|
// IEEE 754 (2008) 6.3: n - n = -0 when rounding to -Infinity
|
|
ROUNDING_MODE == 3 ? -0 : 0 );
|
|
}
|
|
}
|
|
|
|
// Floor xe and ye
|
|
i = xe | 0;
|
|
xe = xe > 0 || xe === i ? i : i - 1;
|
|
i = ye | 0;
|
|
ye = ye > 0 || ye === i ? i : i - 1;
|
|
xc = xc.slice();
|
|
|
|
// Determine which is the bigger number.
|
|
if ( a = xe - ye ) {
|
|
|
|
if ( xLTy = a < 0 ) {
|
|
a = -a, t = xc;
|
|
} else {
|
|
ye = xe, t = yc;
|
|
}
|
|
|
|
// Prepend zeros to equalise exponents.
|
|
for ( t.reverse(), b = a; b--; t.push(0) );
|
|
t.reverse();
|
|
} else {
|
|
|
|
// Exponents equal. Check digit by digit.
|
|
j = ( xLTy = ( a = xc.length ) < ( b = yc.length ) ) ? a : b;
|
|
|
|
for ( a = b = 0; b < j; b++ ) {
|
|
|
|
if ( xc[b] != yc[b] ) {
|
|
xLTy = xc[b] < yc[b];
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// x < y? Point xc to the array of the bigger number.
|
|
if (xLTy) t = xc, xc = yc, yc = t, y['s'] = -y['s'];
|
|
|
|
b = ( j = yc.length ) - ( i = xc.length );
|
|
|
|
// Append zeros to xc if shorter.
|
|
// No need to add zeros to yc if shorter as subtraction only needs to start at yc.length.
|
|
if ( b > 0 ) for ( ; b--; xc[i++] = 0 );
|
|
b = BASE - 1;
|
|
|
|
// Subtract yc from xc.
|
|
for ( ; j > a; ) {
|
|
|
|
if ( xc[--j] < yc[j] ) {
|
|
for ( i = j; i && !xc[--i]; xc[i] = b );
|
|
--xc[i];
|
|
xc[j] += BASE;
|
|
}
|
|
xc[j] -= yc[j];
|
|
}
|
|
|
|
// Remove leading zeros and adjust exponent accordingly.
|
|
for ( ; xc[0] == 0; xc.shift(), --ye );
|
|
|
|
// Zero?
|
|
if ( !xc[0] ) {
|
|
|
|
// Following IEEE 754 (2008) 6.3,
|
|
// n - n = +0 but n - n = -0 when rounding towards -Infinity.
|
|
y['s'] = ROUNDING_MODE == 3 ? -1 : 1;
|
|
y['c'] = [ y['e'] = 0 ];
|
|
return y;
|
|
}
|
|
|
|
// No need to check for Infinity as +x - +y != Infinity && -x - -y != Infinity when neither
|
|
// x or y are Infinity.
|
|
return normalise( y, xc, ye );
|
|
};
|
|
|
|
|
|
/*
|
|
* n % 0 = N
|
|
* n % N = N
|
|
* 0 % n = 0
|
|
* -0 % n = -0
|
|
* 0 % 0 = N
|
|
* 0 % N = N
|
|
* N % n = N
|
|
* N % 0 = N
|
|
* N % N = N
|
|
*
|
|
* Return a new BigNumber whose value is the value of this BigNumber modulo the value of
|
|
* BigNumber(y, b).
|
|
*/
|
|
P['modulo'] = P['mod'] = function ( y, b ) {
|
|
id = 9;
|
|
var x = this,
|
|
xc = x['c'],
|
|
yc = ( y = new BigNumber( y, b ) )['c'],
|
|
xs = x['s'],
|
|
ys = y['s'];
|
|
|
|
// x or y NaN? y zero? x zero?
|
|
b = !xs || !ys || yc && !yc[0];
|
|
if ( b || xc && !xc[0] ) return new BigNumber( b ? NaN : x );
|
|
|
|
x['s'] = y['s'] = 1;
|
|
b = y['cmp'](x) == 1;
|
|
x['s'] = xs;
|
|
y['s'] = ys;
|
|
|
|
return b ? new BigNumber(x) : x['minus']( div( x, y, 0, 1 )['times'](y) );
|
|
};
|
|
|
|
|
|
/*
|
|
* Return a new BigNumber whose value is the value of this BigNumber negated, i.e. multiplied
|
|
* by -1.
|
|
*/
|
|
P['negated'] = P['neg'] = function () {
|
|
var x = new BigNumber(this);
|
|
x['s'] = -x['s'] || null;
|
|
return x;
|
|
};
|
|
|
|
|
|
/*
|
|
* n + 0 = n
|
|
* n + N = N
|
|
* n + I = I
|
|
* 0 + n = n
|
|
* 0 + 0 = 0
|
|
* 0 + N = N
|
|
* 0 + I = I
|
|
* N + n = N
|
|
* N + 0 = N
|
|
* N + N = N
|
|
* N + I = N
|
|
* I + n = I
|
|
* I + 0 = I
|
|
* I + N = N
|
|
* I + I = I
|
|
*
|
|
* Return a new BigNumber whose value is the value of this BigNumber plus the value of
|
|
* BigNumber(y, b).
|
|
*/
|
|
P['plus'] = function ( y, b ) {
|
|
var t,
|
|
x = this,
|
|
a = x['s'];
|
|
|
|
id = 10;
|
|
y = new BigNumber( y, b );
|
|
b = y['s'];
|
|
|
|
// Either NaN?
|
|
if ( !a || !b ) return new BigNumber(NaN);
|
|
|
|
// Signs differ?
|
|
if ( a != b ) {
|
|
y['s'] = -b;
|
|
return x['minus'](y);
|
|
}
|
|
|
|
var xe = x['e'] / LOG_BASE,
|
|
ye = y['e'] / LOG_BASE,
|
|
xc = x['c'],
|
|
yc = y['c'];
|
|
|
|
if ( !xe || !ye ) {
|
|
|
|
// Return +-Infinity if either Infinity.
|
|
if ( !xc || !yc ) return new BigNumber( a / 0 );
|
|
|
|
// Either zero? Return y if y is non-zero, x if x is non-zero, or zero if both are zero.
|
|
if ( !xc[0] || !yc[0] ) return yc[0] ? y : new BigNumber( xc[0] ? x : a * 0 );
|
|
}
|
|
|
|
// Floor xe and ye
|
|
a = xe | 0;
|
|
xe = xe > 0 || xe === a ? a : a - 1;
|
|
a = ye | 0;
|
|
ye = ye > 0 || ye === a ? a : a - 1;
|
|
xc = xc.slice();
|
|
|
|
// Prepend zeros to equalise exponents. Faster to use reverse then do unshifts.
|
|
if ( a = xe - ye ) {
|
|
if ( a > 0 ) {
|
|
ye = xe, t = yc;
|
|
} else {
|
|
a = -a, t = xc;
|
|
}
|
|
|
|
for ( t.reverse(); a--; t.push(0) );
|
|
t.reverse();
|
|
}
|
|
a = xc.length;
|
|
b = yc.length;
|
|
|
|
// Point xc to the longer array, and b to the shorter length.
|
|
if ( a - b < 0 ) t = yc, yc = xc, xc = t, b = a;
|
|
|
|
// Only start adding at yc.length - 1 as the further digits of xc can be left as they are.
|
|
for ( a = 0; b; ) {
|
|
a = ( xc[--b] = xc[b] + yc[b] + a ) / BASE | 0;
|
|
xc[b] %= BASE;
|
|
}
|
|
|
|
|
|
if (a) {
|
|
xc.unshift(a);
|
|
++ye;
|
|
}
|
|
|
|
// No need to check for zero, as +x + +y != 0 && -x + -y != 0
|
|
// ye = MAX_EXP + 1 possible
|
|
return normalise( y, xc, ye );
|
|
};
|
|
|
|
|
|
/*
|
|
* Return a new BigNumber whose value is the value of this BigNumber rounded to a maximum of dp
|
|
* decimal places using rounding mode rm, or to 0 and ROUNDING_MODE respectively if omitted.
|
|
*
|
|
* [dp] {number} Integer, 0 to MAX inclusive.
|
|
* [rm] {number} Integer, 0 to 8 inclusive.
|
|
*/
|
|
P['round'] = function ( dp, rm ) {
|
|
|
|
dp = dp == null || ( ( ( outOfRange = dp < 0 || dp > MAX ) || parse(dp) != dp ) &&
|
|
|
|
// 'round() decimal places out of range: {dp}'
|
|
// 'round() decimal places not an integer: {dp}'
|
|
!ifExceptionsThrow( dp, 'decimal places', 'round' ) ) ? 0 : dp | 0;
|
|
|
|
// Include '&& rm !== 0' because with Opera -0 == parseFloat(-0) is false.
|
|
rm = rm == null || ( ( ( outOfRange = rm < 0 || rm > 8 ) || parse(rm) != rm && rm !== 0 ) &&
|
|
|
|
// 'round() mode not an integer: {rm}'
|
|
// 'round() mode out of range: {rm}'
|
|
!ifExceptionsThrow( rm, 'mode', 'round' ) ) ? ROUNDING_MODE : rm | 0;
|
|
|
|
return rnd( new BigNumber(this), dp + this['e'] + 1, rm );
|
|
};
|
|
|
|
|
|
/*
|
|
* sqrt(-n) = N
|
|
* sqrt( N) = N
|
|
* sqrt(-I) = N
|
|
* sqrt( I) = I
|
|
* sqrt( 0) = 0
|
|
* sqrt(-0) = -0
|
|
*
|
|
* Return a new BigNumber whose value is the square root of the value of this BigNumber,
|
|
* rounded according to DECIMAL_PLACES and ROUNDING_MODE.
|
|
*/
|
|
P['squareRoot'] = P['sqrt'] = function () {
|
|
var m, n, r, rep, t,
|
|
x = this,
|
|
c = x['c'],
|
|
s = x['s'],
|
|
e = x['e'],
|
|
dp = DECIMAL_PLACES + 4,
|
|
half = new BigNumber('0.5');
|
|
|
|
// Negative/NaN/Infinity/zero?
|
|
if ( s !== 1 || !c || !c[0] ) {
|
|
return new BigNumber( !s || s < 0 && ( !c || c[0] ) ? NaN : c ? x : 1 / 0 );
|
|
}
|
|
|
|
// Initial estimate.
|
|
s = Math.sqrt( +x );
|
|
|
|
// Math.sqrt underflow/overflow?
|
|
// Pass x to Math.sqrt as integer, then adjust the exponent of the result.
|
|
if ( s == 0 || s == 1 / 0 ) {
|
|
n = coefficientToString(c);
|
|
if ( ( n.length + e ) % 2 == 0 ) n += '0';
|
|
s = Math.sqrt(n);
|
|
e = mathfloor( ( e + 1 ) / 2 ) - ( e < 0 || e % 2 );
|
|
|
|
if ( s == 1 / 0 ) {
|
|
n = '1e' + e;
|
|
} else {
|
|
n = s.toExponential();
|
|
n = n.slice( 0, n.indexOf('e') + 1 ) + e;
|
|
}
|
|
r = new BigNumber(n);
|
|
} else {
|
|
r = new BigNumber( s.toString() );
|
|
}
|
|
|
|
// Check for zero. r could be zero if MIN_EXP is changed after the this value was created.
|
|
// This would cause a division by zero (x/t) and hence Infinity below, which would cause
|
|
// coefficientToString to throw.
|
|
if ( r['c'][0] ) {
|
|
e = r['e'];
|
|
s = e + dp;
|
|
if ( s < 3 ) s = 0;
|
|
|
|
// Newton-Raphson iteration.
|
|
for ( ; ; ) {
|
|
t = r;
|
|
r = half['times']( t['plus']( div( x, t, dp, 1 ) ) );
|
|
|
|
if ( coefficientToString( t['c'] ).slice( 0, s ) === ( n =
|
|
coefficientToString( r['c'] ) ).slice( 0, s ) ) {
|
|
|
|
// The exponent of r may here be one less than the final result exponent,
|
|
// e.g 0.0009999 (e-4) --> 0.001 (e-3), so adjust s so the rounding digits are
|
|
// indexed correctly.
|
|
if ( r['e'] < e ) --s;
|
|
n = n.slice( s - 3, s + 1 );
|
|
|
|
// The 4th rounding digit may be in error by -1 so if the 4 rounding digits are
|
|
// 9999 or 4999 (i.e. approaching a rounding boundary) continue the iteration.
|
|
if ( n == '9999' || !rep && n == '4999' ) {
|
|
|
|
// On the first iteration only, check to see if rounding up gives the exact
|
|
// result as the nines may infinitely repeat.
|
|
if ( !rep ) {
|
|
rnd( t, t['e'] + DECIMAL_PLACES + 2, 0 );
|
|
|
|
if ( t['times'](t)['eq'](x) ) {
|
|
r = t;
|
|
break;
|
|
}
|
|
}
|
|
dp += 4;
|
|
s += 4;
|
|
rep = 1;
|
|
} else {
|
|
|
|
// If rounding digits are null, 0{0,4} or 50{0,3}, check for exact result.
|
|
// If not, then there are further digits and m will be truthy.
|
|
if ( !+n || !+n.slice(1) && n.charAt(0) == '5' ) {
|
|
|
|
// Truncate to the first rounding digit.
|
|
rnd( r, r['e'] + DECIMAL_PLACES + 2, 1 );
|
|
m = !r['times'](r)['eq'](x);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return rnd( r, r['e'] + DECIMAL_PLACES + 1, ROUNDING_MODE, m );
|
|
};
|
|
|
|
|
|
/*
|
|
* n * 0 = 0
|
|
* n * N = N
|
|
* n * I = I
|
|
* 0 * n = 0
|
|
* 0 * 0 = 0
|
|
* 0 * N = N
|
|
* 0 * I = N
|
|
* N * n = N
|
|
* N * 0 = N
|
|
* N * N = N
|
|
* N * I = N
|
|
* I * n = I
|
|
* I * 0 = N
|
|
* I * N = N
|
|
* I * I = I
|
|
*
|
|
* Return a new BigNumber whose value is the value of this BigNumber times the value of
|
|
* BigNumber(y, b).
|
|
*/
|
|
P['times'] = function ( y, b ) {
|
|
var c, e, k, m, r, xlo, xhi, ylo, yhi,
|
|
x = this,
|
|
xc = x['c'],
|
|
yc = ( id = 11, y = new BigNumber( y, b ) )['c'],
|
|
i = x['e'] / LOG_BASE,
|
|
j = y['e'] / LOG_BASE,
|
|
a = x['s'];
|
|
|
|
y['s'] = a == ( b = y['s'] ) ? 1 : -1;
|
|
|
|
// Either NaN/Infinity/0?
|
|
if ( !i && ( !xc || !xc[0] ) || !j && ( !yc || !yc[0] ) ) {
|
|
|
|
// Return NaN if either NaN, or x is 0 and y is Infinity, or y is 0 and x is Infinity.
|
|
return new BigNumber( !a || !b || xc && !xc[0] && !yc || yc && !yc[0] && !xc ? NaN
|
|
|
|
// Return +-Infinity if either is Infinity. Return +-0 if x or y is 0.
|
|
: !xc || !yc ? y['s'] / 0 : y['s'] * 0 );
|
|
}
|
|
|
|
// e = mathfloor(i) + mathfloor(j);
|
|
e = ( e = i | 0, i > 0 || i === e ? e : e - 1) +
|
|
( e = j | 0, j > 0 || j === e ? e : e - 1);
|
|
|
|
a = xc.length;
|
|
b = yc.length;
|
|
|
|
// Ensure xc points to longer array and b to longer length.
|
|
if ( a < b ) r = xc, xc = yc, yc = r, j = a, a = b, b = j;
|
|
|
|
// Initialise the result array with zeros.
|
|
for ( j = a + b, r = []; j--; r.push(0) );
|
|
|
|
// Multiply!
|
|
for ( i = b; --i >= 0; ) {
|
|
c = 0;
|
|
j = a + i;
|
|
k = a;
|
|
ylo = yc[i] % SQRT_BASE;
|
|
yhi = yc[i] / SQRT_BASE | 0;
|
|
|
|
for ( ; j > i; ) {
|
|
xlo = xc[--k] % SQRT_BASE;
|
|
xhi = xc[k] / SQRT_BASE | 0;
|
|
m = yhi * xlo + xhi * ylo;
|
|
xlo = ylo * xlo + ( ( m % SQRT_BASE ) * SQRT_BASE ) + r[j] + c;
|
|
c = ( xlo / BASE | 0 ) + ( m / SQRT_BASE | 0 ) + yhi * xhi;
|
|
r[j--] = xlo % BASE;
|
|
}
|
|
r[j] = c;
|
|
}
|
|
|
|
if (c) {
|
|
++e;
|
|
} else {
|
|
r.shift();
|
|
}
|
|
|
|
return normalise( y, r, e );
|
|
};
|
|
|
|
|
|
/*
|
|
* Return a string representing the value of this BigNumber in exponential notation to dp fixed
|
|
* decimal places and rounded using ROUNDING_MODE if necessary.
|
|
*
|
|
* [dp] {number} Integer, 0 to MAX inclusive.
|
|
*/
|
|
P['toExponential'] = function (dp) {
|
|
var x = this;
|
|
|
|
return x['c'] ? format( x, dp == null || ( ( outOfRange = dp < 0 || dp > MAX ) ||
|
|
|
|
// Include '&& dp !== 0' because with Opera -0 == parseFloat(-0) is false,
|
|
// despite -0 == parseFloat('-0') && 0 == -0 being true.
|
|
parse(dp) != dp && dp !== 0 ) &&
|
|
|
|
// 'toExponential() decimal places not an integer: {dp}'
|
|
// 'toExponential() decimal places out of range: {dp}'
|
|
!ifExceptionsThrow( dp, 'decimal places', 'toExponential' )
|
|
? null : dp | 0, 1 ) : x.toString();
|
|
};
|
|
|
|
|
|
/*
|
|
* Return a string representing the value of this BigNumber in normal notation to dp fixed
|
|
* decimal places and rounded using ROUNDING_MODE if necessary.
|
|
*
|
|
* Note: as with JavaScript's number type, (-0).toFixed(0) is '0',
|
|
* but e.g. (-0.00001).toFixed(0) is '-0'.
|
|
*
|
|
* [dp] {number} Integer, 0 to MAX inclusive.
|
|
*/
|
|
P['toFixed'] = function (dp) {
|
|
var str,
|
|
x = this,
|
|
neg = TO_EXP_NEG,
|
|
pos = TO_EXP_POS;
|
|
|
|
dp = dp == null || ( ( outOfRange = dp < 0 || dp > MAX ) ||
|
|
|
|
// 'toFixed() decimal places not an integer: {dp}'
|
|
// 'toFixed() decimal places out of range: {dp}'
|
|
parse(dp) != dp && dp !== 0 ) && !ifExceptionsThrow( dp, 'decimal places', 'toFixed' )
|
|
? null : x['e'] + ( dp | 0 );
|
|
|
|
TO_EXP_NEG = -( TO_EXP_POS = 1 / 0 );
|
|
|
|
if ( dp == null || !x['c'] ) {
|
|
str = x.toString();
|
|
} else {
|
|
str = format( x, dp );
|
|
|
|
// (-0).toFixed() is '0', but (-0.1).toFixed() is '-0'.
|
|
// (-0).toFixed(1) is '0.0', but (-0.01).toFixed(1) is '-0.0'.
|
|
if ( x['s'] < 0 && x['c'] ) {
|
|
|
|
// As e.g. (-0).toFixed(3), will wrongly be returned as -0.000 from toString.
|
|
if ( !x['c'][0] ) {
|
|
str = str.replace( '-', '' );
|
|
|
|
// As e.g. -0.5 if rounded to -0 will cause toString to omit the minus sign.
|
|
} else if ( str.indexOf('-') < 0 ) {
|
|
str = '-' + str;
|
|
}
|
|
}
|
|
}
|
|
|
|
TO_EXP_NEG = neg;
|
|
TO_EXP_POS = pos;
|
|
|
|
return str;
|
|
};
|
|
|
|
|
|
/*
|
|
* Return a string representing the value of this BigNumber in fixed-point notation rounded
|
|
* using ROUNDING_MODE to dp decimal places, and formatted according to the properties of the
|
|
* FORMAT object (see BigNumber.config).
|
|
*
|
|
* FORMAT = {
|
|
* decimalSeparator : '.',
|
|
* groupSeparator : ',',
|
|
* groupSize : 3,
|
|
* secondaryGroupSize : 0,
|
|
* fractionGroupSeparator : '\xA0', // non-breaking space
|
|
* fractionGroupSize : 0
|
|
* };
|
|
*
|
|
* [dp] {number} Decimal places. Integer, 0 to MAX inclusive.
|
|
* (TODO: If dp is invalid the error message will give toFixed as the offending method.)
|
|
*/
|
|
P['toFormat'] = function (dp) {
|
|
var x = this;
|
|
|
|
if ( !x['c'] ) return x.toString();
|
|
|
|
var i,
|
|
isNeg = x['s'] < 0,
|
|
groupSeparator = FORMAT['groupSeparator'],
|
|
g1 = +FORMAT['groupSize'],
|
|
g2 = +FORMAT['secondaryGroupSize'],
|
|
arr = x.toFixed(dp).split('.'),
|
|
intPart = arr[0],
|
|
fractionPart = arr[1],
|
|
intDigits = isNeg ? intPart.slice(1) : intPart,
|
|
len = intDigits.length;
|
|
|
|
if (g2) i = g1, g1 = g2, g2 = i, len -= i;
|
|
|
|
if ( g1 > 0 && len > 0 ) {
|
|
i = len % g1 || g1;
|
|
intPart = intDigits.substr( 0, i );
|
|
for ( ; i < len; i += g1 ) intPart += groupSeparator + intDigits.substr( i, g1 );
|
|
if ( g2 > 0 ) intPart += groupSeparator + intDigits.slice(i);
|
|
if (isNeg) intPart = '-' + intPart;
|
|
}
|
|
|
|
return fractionPart
|
|
? intPart + FORMAT['decimalSeparator'] + ( ( g2 = +FORMAT['fractionGroupSize'] )
|
|
? fractionPart.replace( new RegExp( '\\d{' + g2 + '}\\B', 'g' ),
|
|
'$&' + FORMAT['fractionGroupSeparator'] )
|
|
: fractionPart )
|
|
: intPart;
|
|
};
|
|
|
|
|
|
/*
|
|
* Return a string array representing the value of this BigNumber as a simple fraction with an
|
|
* integer numerator and an integer denominator. The denominator will be a positive non-zero
|
|
* value less than or equal to the specified maximum denominator. If a maximum denominator is
|
|
* not specified, the denominator will be the lowest value necessary to represent the number
|
|
* exactly.
|
|
*
|
|
* [maxD] {number|string|BigNumber} Integer >= 1 and < Infinity.
|
|
*/
|
|
P['toFraction'] = function (maxD) {
|
|
var arr, d0, d2, e, exp, n, n0, q, s,
|
|
n1 = d0 = new BigNumber(ONE),
|
|
d1 = n0 = new BigNumber(ONE),
|
|
x = this,
|
|
xc = x['c'],
|
|
d = new BigNumber(ONE);
|
|
|
|
// NaN, Infinity.
|
|
if ( !xc ) return x.toString();
|
|
s = coefficientToString(xc);
|
|
|
|
// Initial denominator.
|
|
e = d['e'] = s.length - x['e'] - 1;
|
|
d['c'][0] = POWS_TEN[ ( exp = e % LOG_BASE ) < 0 ? LOG_BASE + exp : exp ];
|
|
|
|
// If max denominator is undefined or null, or NaN...
|
|
if ( maxD == null || ( !( id = 12, n = new BigNumber(maxD) )['s'] ||
|
|
|
|
// or less than 1, or Infinity...
|
|
( outOfRange = n['cmp'](n1) < 0 || !n['c'] ) ||
|
|
|
|
// or not an integer...
|
|
( ERRORS && mathfloor( n['e'] / LOG_BASE ) < n['c'].length - 1 ) ) &&
|
|
|
|
// 'toFraction() max denominator not an integer: {maxD}'
|
|
// 'toFraction() max denominator out of range: {maxD}'
|
|
!ifExceptionsThrow( maxD, 'max denominator', 'toFraction' ) ||
|
|
|
|
// or greater than the max denominator needed to specify the value exactly...
|
|
( maxD = n )['cmp'](d) > 0 ) {
|
|
|
|
// d is e.g. 10, 100, 1000, 10000... , n1 is 1.
|
|
maxD = e > 0 ? d : n1;
|
|
}
|
|
|
|
exp = MAX_EXP;
|
|
MAX_EXP = 1 / 0;
|
|
n = new BigNumber(s);
|
|
|
|
// n0 = d1 = 0
|
|
n0['c'][0] = 0;
|
|
|
|
for ( ; ; ) {
|
|
q = div( n, d, 0, 1 );
|
|
d2 = d0['plus']( q['times'](d1) );
|
|
if ( d2['cmp'](maxD) == 1 ) break;
|
|
d0 = d1;
|
|
d1 = d2;
|
|
n1 = n0['plus']( q['times']( d2 = n1 ) );
|
|
n0 = d2;
|
|
d = n['minus']( q['times']( d2 = d ) );
|
|
n = d2;
|
|
}
|
|
|
|
d2 = div( maxD['minus'](d0), d1, 0, 1 );
|
|
n0 = n0['plus']( d2['times'](n1) );
|
|
d0 = d0['plus']( d2['times'](d1) );
|
|
n0['s'] = n1['s'] = x['s'];
|
|
e *= 2;
|
|
|
|
// Determine which fraction is closer to x, n0/d0 or n1/d1
|
|
arr = div( n1, d1, e, ROUNDING_MODE )['minus'](x)['abs']()['cmp'](
|
|
div( n0, d0, e, ROUNDING_MODE )['minus'](x)['abs']() ) < 1
|
|
? [ n1.toString(), d1.toString() ]
|
|
: [ n0.toString(), d0.toString() ];
|
|
|
|
MAX_EXP = exp;
|
|
|
|
return arr;
|
|
};
|
|
|
|
|
|
/*
|
|
* Return the value of this BigNumber converted to a number primitive.
|
|
*/
|
|
P['toNumber'] = function () {
|
|
var x = this;
|
|
|
|
// Ensure zero has correct sign.
|
|
return +x || ( x['s'] ? 0 * x['s'] : NaN );
|
|
};
|
|
|
|
|
|
/*
|
|
* Return a BigNumber whose value is the value of this BigNumber raised to the power e.
|
|
* If e is negative round according to DECIMAL_PLACES and ROUNDING_MODE.
|
|
*
|
|
* e {number} Integer, -MAX_POWER to MAX_POWER inclusive.
|
|
*/
|
|
P['toPower'] = P['pow'] = function (e) {
|
|
|
|
// e to integer, avoiding NaN or Infinity becoming 0.
|
|
var i = e * 0 == 0 ? ~~e : e,
|
|
x = new BigNumber(this),
|
|
y = new BigNumber(ONE);
|
|
|
|
// Pass +-Infinity for out of range exponents.
|
|
if ( ( ( ( outOfRange = e < -MAX_POWER || e > MAX_POWER ) && (i = e * 1 / 0) ) ||
|
|
|
|
// Any exponent that fails the parse becomes NaN.
|
|
// Include 'e !== 0' because on Opera -0 == parseFloat(-0) is false, despite
|
|
// -0 === parseFloat(-0) && -0 == parseFloat('-0') evaluating true.
|
|
parse(e) != e && e !== 0 && !(i = NaN) ) &&
|
|
|
|
// 'pow() exponent not an integer: {e}'
|
|
// 'pow() exponent out of range: {e}'
|
|
// Pass zero to Math.pow, as any value to the power zero is 1.
|
|
!ifExceptionsThrow( e, 'exponent', 'pow' ) || !i ) {
|
|
|
|
// i is +-Infinity, NaN or 0.
|
|
return new BigNumber( Math.pow( +x, i ) );
|
|
}
|
|
i = i < 0 ? -i : i;
|
|
|
|
for ( ; ; ) {
|
|
if ( i & 1 ) y = y['times'](x);
|
|
i >>= 1;
|
|
if ( !i ) break;
|
|
x = x['times'](x);
|
|
}
|
|
|
|
return e < 0 ? ONE['div'](y) : y;
|
|
};
|
|
|
|
|
|
/*
|
|
* Return a string representing the value of this BigNumber to sd significant digits and rounded
|
|
* using ROUNDING_MODE if necessary. If sd is less than the number of digits necessary to
|
|
* represent the integer part of the value in normal notation, then use exponential notation.
|
|
*
|
|
* sd {number} Integer, 1 to MAX inclusive.
|
|
*/
|
|
P['toPrecision'] = function (sd) {
|
|
var x = this;
|
|
|
|
// ERRORS true: Throw if sd not undefined, null or an integer in range.
|
|
// ERRORS false: Ignore sd if not a number or not in range.
|
|
// Truncate non-integers.
|
|
return sd == null || ( ( ( outOfRange = sd < 1 || sd > MAX ) || parse(sd) != sd ) &&
|
|
|
|
// 'toPrecision() precision not an integer: {sd}'
|
|
// 'toPrecision() precision out of range: {sd}'
|
|
!ifExceptionsThrow( sd, 'precision', 'toPrecision' ) ) || !x['c']
|
|
? x.toString() : format( x, --sd | 0, 2 );
|
|
};
|
|
|
|
|
|
/*
|
|
* Return a string representing the value of this BigNumber in base b, or base 10 if b is
|
|
* omitted. If a base is specified, including base 10, round according to DECIMAL_PLACES and
|
|
* ROUNDING_MODE. If a base is not specified, and this BigNumber has a positive exponent that is
|
|
* equal to or greater than TO_EXP_POS, or a negative exponent equal to or less than TO_EXP_NEG,
|
|
* return exponential notation.
|
|
*
|
|
* [b] {number} Integer, 2 to 64 inclusive.
|
|
*/
|
|
P['toString'] = function (b) {
|
|
var u, str, strL,
|
|
x = this,
|
|
xe = x['e'];
|
|
|
|
// Infinity or NaN?
|
|
if ( xe === null ) {
|
|
str = x['s'] ? 'Infinity' : 'NaN';
|
|
|
|
// Exponential format?
|
|
} else if ( b == u && ( xe <= TO_EXP_NEG || xe >= TO_EXP_POS ) ) {
|
|
return format( x, u, 1 );
|
|
} else {
|
|
str = coefficientToString( x['c'] );
|
|
|
|
// Negative exponent?
|
|
if ( xe < 0 ) {
|
|
|
|
// Prepend zeros.
|
|
for ( ; ++xe; str = '0' + str );
|
|
str = '0.' + str;
|
|
|
|
// Positive exponent?
|
|
} else if ( strL = str.length, xe > 0 ) {
|
|
|
|
// Append zeros.
|
|
if ( ++xe > strL ) {
|
|
for ( xe -= strL; xe-- ; str += '0' );
|
|
} else if ( xe < strL ) {
|
|
str = str.slice( 0, xe ) + '.' + str.slice(xe);
|
|
}
|
|
|
|
// Exponent zero.
|
|
} else {
|
|
u = str.charAt(0);
|
|
|
|
if ( strL > 1 ) {
|
|
str = u + '.' + str.slice(1);
|
|
|
|
// Avoid '-0'
|
|
} else if ( u == '0' ) {
|
|
return u;
|
|
}
|
|
}
|
|
|
|
if ( b != null ) {
|
|
|
|
if ( !( outOfRange = !( b >= 2 && b < 65 ) ) && ( b == ~~b || !ERRORS ) ) {
|
|
str = convertBase( str, b | 0, 10, x['s'] );
|
|
|
|
// Avoid '-0'
|
|
if ( str == '0' ) return str;
|
|
} else {
|
|
|
|
// 'toString() base not an integer: {b}'
|
|
// 'toString() base out of range: {b}'
|
|
ifExceptionsThrow( b, 'base', 'toS' );
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
return x['s'] < 0 ? '-' + str : str;
|
|
};
|
|
|
|
|
|
/*
|
|
* Return as toString, but do not accept a base argument.
|
|
*/
|
|
P['valueOf'] = P['toJSON'] = function () {
|
|
return this.toString();
|
|
};
|
|
|
|
|
|
// Add aliases for BigDecimal methods.
|
|
//P['add'] = P['plus'];
|
|
//P['subtract'] = P['minus'];
|
|
//P['multiply'] = P['times'];
|
|
//P['divide'] = P['div'];
|
|
//P['remainder'] = P['mod'];
|
|
//P['compareTo'] = P['cmp'];
|
|
//P['negate'] = P['neg'];
|
|
|
|
|
|
// EXPORT
|
|
|
|
|
|
// Node and other CommonJS-like environments that support module.exports.
|
|
if ( typeof module !== 'undefined' && module.exports ) {
|
|
module.exports = BigNumber;
|
|
//AMD.
|
|
} else if ( typeof define == 'function' && define.amd ) {
|
|
define( function () {return BigNumber} );
|
|
//Browser.
|
|
} else {
|
|
global['BigNumber'] = BigNumber;
|
|
}
|
|
})(this);
|
|
|
|
},{}],"web3":[function(require,module,exports){
|
|
// dont override global variable
|
|
if (typeof web3 !== 'undefined') {
|
|
var web3;
|
|
}
|
|
|
|
web3 = require('./lib/web3');
|
|
web3.providers.HttpProvider = require('./lib/web3/httpprovider');
|
|
web3.providers.QtSyncProvider = require('./lib/web3/qtsync');
|
|
web3.eth.contract = require('./lib/web3/contract');
|
|
web3.abi = require('./lib/solidity/abi');
|
|
|
|
|
|
|
|
module.exports = web3;
|
|
|
|
},{"./lib/solidity/abi":1,"./lib/web3":9,"./lib/web3/contract":10,"./lib/web3/httpprovider":17,"./lib/web3/qtsync":22}]},{},["web3"])
|
|
|
|
|
|
//# sourceMappingURL=web3.js.map
|