subtly
10 years ago
181 changed files with 8568 additions and 3694 deletions
@ -1,966 +0,0 @@ |
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/*! |
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* @overview es6-promise - a tiny implementation of Promises/A+. |
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* @copyright Copyright (c) 2014 Yehuda Katz, Tom Dale, Stefan Penner and contributors (Conversion to ES6 API by Jake Archibald) |
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* @license Licensed under MIT license |
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* See https://raw.githubusercontent.com/jakearchibald/es6-promise/master/LICENSE
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* @version 2.0.0 |
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*/ |
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(function() { |
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"use strict"; |
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function $$utils$$objectOrFunction(x) { |
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return typeof x === 'function' || (typeof x === 'object' && x !== null); |
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} |
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function $$utils$$isFunction(x) { |
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return typeof x === 'function'; |
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} |
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function $$utils$$isMaybeThenable(x) { |
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return typeof x === 'object' && x !== null; |
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} |
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var $$utils$$_isArray; |
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if (!Array.isArray) { |
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$$utils$$_isArray = function (x) { |
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return Object.prototype.toString.call(x) === '[object Array]'; |
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}; |
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} else { |
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$$utils$$_isArray = Array.isArray; |
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} |
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var $$utils$$isArray = $$utils$$_isArray; |
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var $$utils$$now = Date.now || function() { return new Date().getTime(); }; |
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function $$utils$$F() { } |
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var $$utils$$o_create = (Object.create || function (o) { |
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if (arguments.length > 1) { |
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throw new Error('Second argument not supported'); |
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} |
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if (typeof o !== 'object') { |
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throw new TypeError('Argument must be an object'); |
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} |
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$$utils$$F.prototype = o; |
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return new $$utils$$F(); |
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}); |
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var $$asap$$len = 0; |
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var $$asap$$default = function asap(callback, arg) { |
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$$asap$$queue[$$asap$$len] = callback; |
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$$asap$$queue[$$asap$$len + 1] = arg; |
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$$asap$$len += 2; |
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if ($$asap$$len === 2) { |
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// If len is 1, that means that we need to schedule an async flush.
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// If additional callbacks are queued before the queue is flushed, they
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// will be processed by this flush that we are scheduling.
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$$asap$$scheduleFlush(); |
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} |
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}; |
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var $$asap$$browserGlobal = (typeof window !== 'undefined') ? window : {}; |
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var $$asap$$BrowserMutationObserver = $$asap$$browserGlobal.MutationObserver || $$asap$$browserGlobal.WebKitMutationObserver; |
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// test for web worker but not in IE10
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var $$asap$$isWorker = typeof Uint8ClampedArray !== 'undefined' && |
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typeof importScripts !== 'undefined' && |
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typeof MessageChannel !== 'undefined'; |
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// node
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function $$asap$$useNextTick() { |
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return function() { |
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process.nextTick($$asap$$flush); |
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}; |
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} |
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function $$asap$$useMutationObserver() { |
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var iterations = 0; |
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var observer = new $$asap$$BrowserMutationObserver($$asap$$flush); |
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var node = document.createTextNode(''); |
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observer.observe(node, { characterData: true }); |
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return function() { |
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node.data = (iterations = ++iterations % 2); |
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}; |
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} |
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// web worker
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function $$asap$$useMessageChannel() { |
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var channel = new MessageChannel(); |
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channel.port1.onmessage = $$asap$$flush; |
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return function () { |
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channel.port2.postMessage(0); |
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}; |
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} |
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function $$asap$$useSetTimeout() { |
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return function() { |
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setTimeout($$asap$$flush, 1); |
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}; |
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} |
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var $$asap$$queue = new Array(1000); |
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function $$asap$$flush() { |
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for (var i = 0; i < $$asap$$len; i+=2) { |
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var callback = $$asap$$queue[i]; |
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var arg = $$asap$$queue[i+1]; |
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callback(arg); |
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$$asap$$queue[i] = undefined; |
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$$asap$$queue[i+1] = undefined; |
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} |
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$$asap$$len = 0; |
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} |
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var $$asap$$scheduleFlush; |
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// Decide what async method to use to triggering processing of queued callbacks:
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if (typeof process !== 'undefined' && {}.toString.call(process) === '[object process]') { |
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$$asap$$scheduleFlush = $$asap$$useNextTick(); |
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} else if ($$asap$$BrowserMutationObserver) { |
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$$asap$$scheduleFlush = $$asap$$useMutationObserver(); |
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} else if ($$asap$$isWorker) { |
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$$asap$$scheduleFlush = $$asap$$useMessageChannel(); |
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} else { |
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$$asap$$scheduleFlush = $$asap$$useSetTimeout(); |
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} |
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function $$$internal$$noop() {} |
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var $$$internal$$PENDING = void 0; |
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var $$$internal$$FULFILLED = 1; |
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var $$$internal$$REJECTED = 2; |
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var $$$internal$$GET_THEN_ERROR = new $$$internal$$ErrorObject(); |
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function $$$internal$$selfFullfillment() { |
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return new TypeError("You cannot resolve a promise with itself"); |
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} |
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function $$$internal$$cannotReturnOwn() { |
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return new TypeError('A promises callback cannot return that same promise.') |
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} |
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function $$$internal$$getThen(promise) { |
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try { |
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return promise.then; |
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} catch(error) { |
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$$$internal$$GET_THEN_ERROR.error = error; |
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return $$$internal$$GET_THEN_ERROR; |
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} |
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} |
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function $$$internal$$tryThen(then, value, fulfillmentHandler, rejectionHandler) { |
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try { |
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then.call(value, fulfillmentHandler, rejectionHandler); |
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} catch(e) { |
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return e; |
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} |
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} |
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function $$$internal$$handleForeignThenable(promise, thenable, then) { |
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$$asap$$default(function(promise) { |
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var sealed = false; |
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var error = $$$internal$$tryThen(then, thenable, function(value) { |
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if (sealed) { return; } |
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sealed = true; |
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if (thenable !== value) { |
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$$$internal$$resolve(promise, value); |
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} else { |
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$$$internal$$fulfill(promise, value); |
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} |
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}, function(reason) { |
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if (sealed) { return; } |
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sealed = true; |
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$$$internal$$reject(promise, reason); |
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}, 'Settle: ' + (promise._label || ' unknown promise')); |
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if (!sealed && error) { |
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sealed = true; |
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$$$internal$$reject(promise, error); |
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} |
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}, promise); |
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} |
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function $$$internal$$handleOwnThenable(promise, thenable) { |
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if (thenable._state === $$$internal$$FULFILLED) { |
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$$$internal$$fulfill(promise, thenable._result); |
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} else if (promise._state === $$$internal$$REJECTED) { |
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$$$internal$$reject(promise, thenable._result); |
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} else { |
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$$$internal$$subscribe(thenable, undefined, function(value) { |
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$$$internal$$resolve(promise, value); |
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}, function(reason) { |
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$$$internal$$reject(promise, reason); |
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}); |
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} |
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} |
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function $$$internal$$handleMaybeThenable(promise, maybeThenable) { |
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if (maybeThenable.constructor === promise.constructor) { |
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$$$internal$$handleOwnThenable(promise, maybeThenable); |
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} else { |
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var then = $$$internal$$getThen(maybeThenable); |
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if (then === $$$internal$$GET_THEN_ERROR) { |
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$$$internal$$reject(promise, $$$internal$$GET_THEN_ERROR.error); |
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} else if (then === undefined) { |
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$$$internal$$fulfill(promise, maybeThenable); |
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} else if ($$utils$$isFunction(then)) { |
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$$$internal$$handleForeignThenable(promise, maybeThenable, then); |
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} else { |
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$$$internal$$fulfill(promise, maybeThenable); |
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} |
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} |
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} |
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function $$$internal$$resolve(promise, value) { |
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if (promise === value) { |
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$$$internal$$reject(promise, $$$internal$$selfFullfillment()); |
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} else if ($$utils$$objectOrFunction(value)) { |
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$$$internal$$handleMaybeThenable(promise, value); |
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} else { |
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$$$internal$$fulfill(promise, value); |
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} |
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} |
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function $$$internal$$publishRejection(promise) { |
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if (promise._onerror) { |
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promise._onerror(promise._result); |
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} |
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$$$internal$$publish(promise); |
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} |
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function $$$internal$$fulfill(promise, value) { |
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if (promise._state !== $$$internal$$PENDING) { return; } |
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promise._result = value; |
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promise._state = $$$internal$$FULFILLED; |
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if (promise._subscribers.length === 0) { |
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} else { |
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$$asap$$default($$$internal$$publish, promise); |
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} |
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} |
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function $$$internal$$reject(promise, reason) { |
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if (promise._state !== $$$internal$$PENDING) { return; } |
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promise._state = $$$internal$$REJECTED; |
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promise._result = reason; |
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$$asap$$default($$$internal$$publishRejection, promise); |
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} |
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function $$$internal$$subscribe(parent, child, onFulfillment, onRejection) { |
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var subscribers = parent._subscribers; |
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var length = subscribers.length; |
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parent._onerror = null; |
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subscribers[length] = child; |
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subscribers[length + $$$internal$$FULFILLED] = onFulfillment; |
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subscribers[length + $$$internal$$REJECTED] = onRejection; |
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if (length === 0 && parent._state) { |
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$$asap$$default($$$internal$$publish, parent); |
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} |
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} |
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function $$$internal$$publish(promise) { |
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var subscribers = promise._subscribers; |
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var settled = promise._state; |
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if (subscribers.length === 0) { return; } |
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var child, callback, detail = promise._result; |
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for (var i = 0; i < subscribers.length; i += 3) { |
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child = subscribers[i]; |
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callback = subscribers[i + settled]; |
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if (child) { |
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$$$internal$$invokeCallback(settled, child, callback, detail); |
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} else { |
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callback(detail); |
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} |
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} |
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promise._subscribers.length = 0; |
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} |
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function $$$internal$$ErrorObject() { |
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this.error = null; |
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} |
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var $$$internal$$TRY_CATCH_ERROR = new $$$internal$$ErrorObject(); |
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function $$$internal$$tryCatch(callback, detail) { |
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try { |
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return callback(detail); |
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} catch(e) { |
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$$$internal$$TRY_CATCH_ERROR.error = e; |
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return $$$internal$$TRY_CATCH_ERROR; |
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} |
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} |
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function $$$internal$$invokeCallback(settled, promise, callback, detail) { |
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var hasCallback = $$utils$$isFunction(callback), |
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value, error, succeeded, failed; |
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if (hasCallback) { |
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value = $$$internal$$tryCatch(callback, detail); |
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if (value === $$$internal$$TRY_CATCH_ERROR) { |
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failed = true; |
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error = value.error; |
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value = null; |
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} else { |
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succeeded = true; |
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} |
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if (promise === value) { |
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$$$internal$$reject(promise, $$$internal$$cannotReturnOwn()); |
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return; |
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} |
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} else { |
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value = detail; |
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succeeded = true; |
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} |
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if (promise._state !== $$$internal$$PENDING) { |
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// noop
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} else if (hasCallback && succeeded) { |
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$$$internal$$resolve(promise, value); |
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} else if (failed) { |
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$$$internal$$reject(promise, error); |
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} else if (settled === $$$internal$$FULFILLED) { |
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$$$internal$$fulfill(promise, value); |
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} else if (settled === $$$internal$$REJECTED) { |
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$$$internal$$reject(promise, value); |
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} |
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} |
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function $$$internal$$initializePromise(promise, resolver) { |
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try { |
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resolver(function resolvePromise(value){ |
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$$$internal$$resolve(promise, value); |
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}, function rejectPromise(reason) { |
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$$$internal$$reject(promise, reason); |
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}); |
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} catch(e) { |
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$$$internal$$reject(promise, e); |
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} |
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} |
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function $$$enumerator$$makeSettledResult(state, position, value) { |
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if (state === $$$internal$$FULFILLED) { |
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return { |
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state: 'fulfilled', |
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value: value |
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}; |
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} else { |
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return { |
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state: 'rejected', |
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reason: value |
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}; |
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} |
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} |
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function $$$enumerator$$Enumerator(Constructor, input, abortOnReject, label) { |
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this._instanceConstructor = Constructor; |
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this.promise = new Constructor($$$internal$$noop, label); |
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this._abortOnReject = abortOnReject; |
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if (this._validateInput(input)) { |
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this._input = input; |
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this.length = input.length; |
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this._remaining = input.length; |
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this._init(); |
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if (this.length === 0) { |
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$$$internal$$fulfill(this.promise, this._result); |
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} else { |
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this.length = this.length || 0; |
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this._enumerate(); |
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if (this._remaining === 0) { |
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$$$internal$$fulfill(this.promise, this._result); |
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} |
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} |
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} else { |
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$$$internal$$reject(this.promise, this._validationError()); |
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} |
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} |
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$$$enumerator$$Enumerator.prototype._validateInput = function(input) { |
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return $$utils$$isArray(input); |
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}; |
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$$$enumerator$$Enumerator.prototype._validationError = function() { |
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return new Error('Array Methods must be provided an Array'); |
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}; |
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$$$enumerator$$Enumerator.prototype._init = function() { |
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this._result = new Array(this.length); |
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}; |
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var $$$enumerator$$default = $$$enumerator$$Enumerator; |
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$$$enumerator$$Enumerator.prototype._enumerate = function() { |
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var length = this.length; |
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var promise = this.promise; |
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var input = this._input; |
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for (var i = 0; promise._state === $$$internal$$PENDING && i < length; i++) { |
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this._eachEntry(input[i], i); |
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} |
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}; |
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$$$enumerator$$Enumerator.prototype._eachEntry = function(entry, i) { |
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var c = this._instanceConstructor; |
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if ($$utils$$isMaybeThenable(entry)) { |
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if (entry.constructor === c && entry._state !== $$$internal$$PENDING) { |
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entry._onerror = null; |
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this._settledAt(entry._state, i, entry._result); |
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} else { |
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this._willSettleAt(c.resolve(entry), i); |
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} |
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} else { |
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this._remaining--; |
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this._result[i] = this._makeResult($$$internal$$FULFILLED, i, entry); |
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} |
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}; |
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$$$enumerator$$Enumerator.prototype._settledAt = function(state, i, value) { |
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var promise = this.promise; |
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if (promise._state === $$$internal$$PENDING) { |
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this._remaining--; |
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if (this._abortOnReject && state === $$$internal$$REJECTED) { |
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$$$internal$$reject(promise, value); |
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} else { |
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this._result[i] = this._makeResult(state, i, value); |
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} |
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} |
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if (this._remaining === 0) { |
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$$$internal$$fulfill(promise, this._result); |
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} |
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}; |
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$$$enumerator$$Enumerator.prototype._makeResult = function(state, i, value) { |
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return value; |
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}; |
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$$$enumerator$$Enumerator.prototype._willSettleAt = function(promise, i) { |
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var enumerator = this; |
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$$$internal$$subscribe(promise, undefined, function(value) { |
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enumerator._settledAt($$$internal$$FULFILLED, i, value); |
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}, function(reason) { |
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enumerator._settledAt($$$internal$$REJECTED, i, reason); |
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}); |
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}; |
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|
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var $$promise$all$$default = function all(entries, label) { |
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return new $$$enumerator$$default(this, entries, true /* abort on reject */, label).promise; |
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}; |
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|
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var $$promise$race$$default = function race(entries, label) { |
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/*jshint validthis:true */ |
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var Constructor = this; |
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|
|||
var promise = new Constructor($$$internal$$noop, label); |
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|
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if (!$$utils$$isArray(entries)) { |
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$$$internal$$reject(promise, new TypeError('You must pass an array to race.')); |
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return promise; |
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} |
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var length = entries.length; |
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function onFulfillment(value) { |
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$$$internal$$resolve(promise, value); |
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} |
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function onRejection(reason) { |
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$$$internal$$reject(promise, reason); |
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} |
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for (var i = 0; promise._state === $$$internal$$PENDING && i < length; i++) { |
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$$$internal$$subscribe(Constructor.resolve(entries[i]), undefined, onFulfillment, onRejection); |
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} |
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|
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return promise; |
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}; |
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|
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var $$promise$resolve$$default = function resolve(object, label) { |
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/*jshint validthis:true */ |
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var Constructor = this; |
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|
|||
if (object && typeof object === 'object' && object.constructor === Constructor) { |
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return object; |
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} |
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|
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var promise = new Constructor($$$internal$$noop, label); |
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$$$internal$$resolve(promise, object); |
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return promise; |
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}; |
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|
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var $$promise$reject$$default = function reject(reason, label) { |
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/*jshint validthis:true */ |
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var Constructor = this; |
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var promise = new Constructor($$$internal$$noop, label); |
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$$$internal$$reject(promise, reason); |
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return promise; |
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}; |
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|
|||
var $$es6$promise$promise$$counter = 0; |
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|
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function $$es6$promise$promise$$needsResolver() { |
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throw new TypeError('You must pass a resolver function as the first argument to the promise constructor'); |
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} |
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|
|||
function $$es6$promise$promise$$needsNew() { |
|||
throw new TypeError("Failed to construct 'Promise': Please use the 'new' operator, this object constructor cannot be called as a function."); |
|||
} |
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|
|||
var $$es6$promise$promise$$default = $$es6$promise$promise$$Promise; |
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|
|||
/** |
|||
Promise objects represent the eventual result of an asynchronous operation. The |
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primary way of interacting with a promise is through its `then` method, which |
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registers callbacks to receive either a promise’s eventual value or the reason |
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why the promise cannot be fulfilled. |
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|
|||
Terminology |
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----------- |
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|
|||
- `promise` is an object or function with a `then` method whose behavior conforms to this specification. |
|||
- `thenable` is an object or function that defines a `then` method. |
|||
- `value` is any legal JavaScript value (including undefined, a thenable, or a promise). |
|||
- `exception` is a value that is thrown using the throw statement. |
|||
- `reason` is a value that indicates why a promise was rejected. |
|||
- `settled` the final resting state of a promise, fulfilled or rejected. |
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|
|||
A promise can be in one of three states: pending, fulfilled, or rejected. |
|||
|
|||
Promises that are fulfilled have a fulfillment value and are in the fulfilled |
|||
state. Promises that are rejected have a rejection reason and are in the |
|||
rejected state. A fulfillment value is never a thenable. |
|||
|
|||
Promises can also be said to *resolve* a value. If this value is also a |
|||
promise, then the original promise's settled state will match the value's |
|||
settled state. So a promise that *resolves* a promise that rejects will |
|||
itself reject, and a promise that *resolves* a promise that fulfills will |
|||
itself fulfill. |
|||
|
|||
|
|||
Basic Usage: |
|||
------------ |
|||
|
|||
```js
|
|||
var promise = new Promise(function(resolve, reject) { |
|||
// on success
|
|||
resolve(value); |
|||
|
|||
// on failure
|
|||
reject(reason); |
|||
}); |
|||
|
|||
promise.then(function(value) { |
|||
// on fulfillment
|
|||
}, function(reason) { |
|||
// on rejection
|
|||
}); |
|||
``` |
|||
|
|||
Advanced Usage: |
|||
--------------- |
|||
|
|||
Promises shine when abstracting away asynchronous interactions such as |
|||
`XMLHttpRequest`s. |
|||
|
|||
```js
|
|||
function getJSON(url) { |
|||
return new Promise(function(resolve, reject){ |
|||
var xhr = new XMLHttpRequest(); |
|||
|
|||
xhr.open('GET', url); |
|||
xhr.onreadystatechange = handler; |
|||
xhr.responseType = 'json'; |
|||
xhr.setRequestHeader('Accept', 'application/json'); |
|||
xhr.send(); |
|||
|
|||
function handler() { |
|||
if (this.readyState === this.DONE) { |
|||
if (this.status === 200) { |
|||
resolve(this.response); |
|||
} else { |
|||
reject(new Error('getJSON: `' + url + '` failed with status: [' + this.status + ']')); |
|||
} |
|||
} |
|||
}; |
|||
}); |
|||
} |
|||
|
|||
getJSON('/posts.json').then(function(json) { |
|||
// on fulfillment
|
|||
}, function(reason) { |
|||
// on rejection
|
|||
}); |
|||
``` |
|||
|
|||
Unlike callbacks, promises are great composable primitives. |
|||
|
|||
```js
|
|||
Promise.all([ |
|||
getJSON('/posts'), |
|||
getJSON('/comments') |
|||
]).then(function(values){ |
|||
values[0] // => postsJSON
|
|||
values[1] // => commentsJSON
|
|||
|
|||
return values; |
|||
}); |
|||
``` |
|||
|
|||
@class Promise |
|||
@param {function} resolver |
|||
@param {String} label optional string for labeling the promise. |
|||
Useful for tooling. |
|||
@constructor |
|||
*/ |
|||
function $$es6$promise$promise$$Promise(resolver, label) { |
|||
this._id = $$es6$promise$promise$$counter++; |
|||
this._label = label; |
|||
this._state = undefined; |
|||
this._result = undefined; |
|||
this._subscribers = []; |
|||
|
|||
if ($$$internal$$noop !== resolver) { |
|||
if (!$$utils$$isFunction(resolver)) { |
|||
$$es6$promise$promise$$needsResolver(); |
|||
} |
|||
|
|||
if (!(this instanceof $$es6$promise$promise$$Promise)) { |
|||
$$es6$promise$promise$$needsNew(); |
|||
} |
|||
|
|||
$$$internal$$initializePromise(this, resolver); |
|||
} |
|||
} |
|||
|
|||
$$es6$promise$promise$$Promise.all = $$promise$all$$default; |
|||
$$es6$promise$promise$$Promise.race = $$promise$race$$default; |
|||
$$es6$promise$promise$$Promise.resolve = $$promise$resolve$$default; |
|||
$$es6$promise$promise$$Promise.reject = $$promise$reject$$default; |
|||
|
|||
$$es6$promise$promise$$Promise.prototype = { |
|||
constructor: $$es6$promise$promise$$Promise, |
|||
|
|||
/** |
|||
The primary way of interacting with a promise is through its `then` method, |
|||
which registers callbacks to receive either a promise's eventual value or the |
|||
reason why the promise cannot be fulfilled. |
|||
|
|||
```js
|
|||
findUser().then(function(user){ |
|||
// user is available
|
|||
}, function(reason){ |
|||
// user is unavailable, and you are given the reason why
|
|||
}); |
|||
``` |
|||
|
|||
Chaining |
|||
-------- |
|||
|
|||
The return value of `then` is itself a promise. This second, 'downstream' |
|||
promise is resolved with the return value of the first promise's fulfillment |
|||
or rejection handler, or rejected if the handler throws an exception. |
|||
|
|||
```js
|
|||
findUser().then(function (user) { |
|||
return user.name; |
|||
}, function (reason) { |
|||
return 'default name'; |
|||
}).then(function (userName) { |
|||
// If `findUser` fulfilled, `userName` will be the user's name, otherwise it
|
|||
// will be `'default name'`
|
|||
}); |
|||
|
|||
findUser().then(function (user) { |
|||
throw new Error('Found user, but still unhappy'); |
|||
}, function (reason) { |
|||
throw new Error('`findUser` rejected and we're unhappy'); |
|||
}).then(function (value) { |
|||
// never reached
|
|||
}, function (reason) { |
|||
// if `findUser` fulfilled, `reason` will be 'Found user, but still unhappy'.
|
|||
// If `findUser` rejected, `reason` will be '`findUser` rejected and we're unhappy'.
|
|||
}); |
|||
``` |
|||
If the downstream promise does not specify a rejection handler, rejection reasons will be propagated further downstream. |
|||
|
|||
```js
|
|||
findUser().then(function (user) { |
|||
throw new PedagogicalException('Upstream error'); |
|||
}).then(function (value) { |
|||
// never reached
|
|||
}).then(function (value) { |
|||
// never reached
|
|||
}, function (reason) { |
|||
// The `PedgagocialException` is propagated all the way down to here
|
|||
}); |
|||
``` |
|||
|
|||
Assimilation |
|||
------------ |
|||
|
|||
Sometimes the value you want to propagate to a downstream promise can only be |
|||
retrieved asynchronously. This can be achieved by returning a promise in the |
|||
fulfillment or rejection handler. The downstream promise will then be pending |
|||
until the returned promise is settled. This is called *assimilation*. |
|||
|
|||
```js
|
|||
findUser().then(function (user) { |
|||
return findCommentsByAuthor(user); |
|||
}).then(function (comments) { |
|||
// The user's comments are now available
|
|||
}); |
|||
``` |
|||
|
|||
If the assimliated promise rejects, then the downstream promise will also reject. |
|||
|
|||
```js
|
|||
findUser().then(function (user) { |
|||
return findCommentsByAuthor(user); |
|||
}).then(function (comments) { |
|||
// If `findCommentsByAuthor` fulfills, we'll have the value here
|
|||
}, function (reason) { |
|||
// If `findCommentsByAuthor` rejects, we'll have the reason here
|
|||
}); |
|||
``` |
|||
|
|||
Simple Example |
|||
-------------- |
|||
|
|||
Synchronous Example |
|||
|
|||
```javascript
|
|||
var result; |
|||
|
|||
try { |
|||
result = findResult(); |
|||
// success
|
|||
} catch(reason) { |
|||
// failure
|
|||
} |
|||
``` |
|||
|
|||
Errback Example |
|||
|
|||
```js
|
|||
findResult(function(result, err){ |
|||
if (err) { |
|||
// failure
|
|||
} else { |
|||
// success
|
|||
} |
|||
}); |
|||
``` |
|||
|
|||
Promise Example; |
|||
|
|||
```javascript
|
|||
findResult().then(function(result){ |
|||
// success
|
|||
}, function(reason){ |
|||
// failure
|
|||
}); |
|||
``` |
|||
|
|||
Advanced Example |
|||
-------------- |
|||
|
|||
Synchronous Example |
|||
|
|||
```javascript
|
|||
var author, books; |
|||
|
|||
try { |
|||
author = findAuthor(); |
|||
books = findBooksByAuthor(author); |
|||
// success
|
|||
} catch(reason) { |
|||
// failure
|
|||
} |
|||
``` |
|||
|
|||
Errback Example |
|||
|
|||
```js
|
|||
|
|||
function foundBooks(books) { |
|||
|
|||
} |
|||
|
|||
function failure(reason) { |
|||
|
|||
} |
|||
|
|||
findAuthor(function(author, err){ |
|||
if (err) { |
|||
failure(err); |
|||
// failure
|
|||
} else { |
|||
try { |
|||
findBoooksByAuthor(author, function(books, err) { |
|||
if (err) { |
|||
failure(err); |
|||
} else { |
|||
try { |
|||
foundBooks(books); |
|||
} catch(reason) { |
|||
failure(reason); |
|||
} |
|||
} |
|||
}); |
|||
} catch(error) { |
|||
failure(err); |
|||
} |
|||
// success
|
|||
} |
|||
}); |
|||
``` |
|||
|
|||
Promise Example; |
|||
|
|||
```javascript
|
|||
findAuthor(). |
|||
then(findBooksByAuthor). |
|||
then(function(books){ |
|||
// found books
|
|||
}).catch(function(reason){ |
|||
// something went wrong
|
|||
}); |
|||
``` |
|||
|
|||
@method then |
|||
@param {Function} onFulfilled |
|||
@param {Function} onRejected |
|||
@param {String} label optional string for labeling the promise. |
|||
Useful for tooling. |
|||
@return {Promise} |
|||
*/ |
|||
then: function(onFulfillment, onRejection, label) { |
|||
var parent = this; |
|||
var state = parent._state; |
|||
|
|||
if (state === $$$internal$$FULFILLED && !onFulfillment || state === $$$internal$$REJECTED && !onRejection) { |
|||
return this; |
|||
} |
|||
|
|||
parent._onerror = null; |
|||
|
|||
var child = new this.constructor($$$internal$$noop, label); |
|||
var result = parent._result; |
|||
|
|||
if (state) { |
|||
var callback = arguments[state - 1]; |
|||
$$asap$$default(function(){ |
|||
$$$internal$$invokeCallback(state, child, callback, result); |
|||
}); |
|||
} else { |
|||
$$$internal$$subscribe(parent, child, onFulfillment, onRejection); |
|||
} |
|||
|
|||
return child; |
|||
}, |
|||
|
|||
/** |
|||
`catch` is simply sugar for `then(undefined, onRejection)` which makes it the same |
|||
as the catch block of a try/catch statement. |
|||
|
|||
```js
|
|||
function findAuthor(){ |
|||
throw new Error('couldn't find that author'); |
|||
} |
|||
|
|||
// synchronous
|
|||
try { |
|||
findAuthor(); |
|||
} catch(reason) { |
|||
// something went wrong
|
|||
} |
|||
|
|||
// async with promises
|
|||
findAuthor().catch(function(reason){ |
|||
// something went wrong
|
|||
}); |
|||
``` |
|||
|
|||
@method catch |
|||
@param {Function} onRejection |
|||
@param {String} label optional string for labeling the promise. |
|||
Useful for tooling. |
|||
@return {Promise} |
|||
*/ |
|||
'catch': function(onRejection, label) { |
|||
return this.then(null, onRejection, label); |
|||
} |
|||
}; |
|||
|
|||
var $$es6$promise$polyfill$$default = function polyfill() { |
|||
var local; |
|||
|
|||
if (typeof global !== 'undefined') { |
|||
local = global; |
|||
} else if (typeof window !== 'undefined' && window.document) { |
|||
local = window; |
|||
} else { |
|||
local = self; |
|||
} |
|||
|
|||
var es6PromiseSupport = |
|||
"Promise" in local && |
|||
// Some of these methods are missing from
|
|||
// Firefox/Chrome experimental implementations
|
|||
"resolve" in local.Promise && |
|||
"reject" in local.Promise && |
|||
"all" in local.Promise && |
|||
"race" in local.Promise && |
|||
// Older version of the spec had a resolver object
|
|||
// as the arg rather than a function
|
|||
(function() { |
|||
var resolve; |
|||
new local.Promise(function(r) { resolve = r; }); |
|||
return $$utils$$isFunction(resolve); |
|||
}()); |
|||
|
|||
if (!es6PromiseSupport) { |
|||
local.Promise = $$es6$promise$promise$$default; |
|||
} |
|||
}; |
|||
|
|||
var es6$promise$umd$$ES6Promise = { |
|||
Promise: $$es6$promise$promise$$default, |
|||
polyfill: $$es6$promise$polyfill$$default |
|||
}; |
|||
|
|||
/* global define:true module:true window: true */ |
|||
if (typeof define === 'function' && define['amd']) { |
|||
define(function() { return es6$promise$umd$$ES6Promise; }); |
|||
} else if (typeof module !== 'undefined' && module['exports']) { |
|||
module['exports'] = es6$promise$umd$$ES6Promise; |
|||
} else if (typeof this !== 'undefined') { |
|||
this['ES6Promise'] = es6$promise$umd$$ES6Promise; |
|||
} |
|||
}).call(this); |
|||
File diff suppressed because it is too large
File diff suppressed because one or more lines are too long
File diff suppressed because one or more lines are too long
@ -0,0 +1,76 @@ |
|||
<!doctype> |
|||
<html> |
|||
|
|||
<head> |
|||
<script type="text/javascript" src="js/bignumber.js/bignumber.min.js"></script> |
|||
<script type="text/javascript" src="../dist/ethereum.js"></script> |
|||
<script type="text/javascript"> |
|||
|
|||
var web3 = require('web3'); |
|||
web3.setProvider(new web3.providers.HttpSyncProvider()); |
|||
|
|||
// solidity source code |
|||
var source = "" + |
|||
"contract test {\n" + |
|||
" function multiply(uint[] a) returns(uint d) {\n" + |
|||
" return a[0] + a[1];\n" + |
|||
" }\n" + |
|||
"}\n"; |
|||
|
|||
// contract description, this will be autogenerated somehow |
|||
var desc = [{ |
|||
"name": "multiply(uint256[])", |
|||
"type": "function", |
|||
"inputs": [ |
|||
{ |
|||
"name": "a", |
|||
"type": "uint256[]" |
|||
} |
|||
], |
|||
"outputs": [ |
|||
{ |
|||
"name": "d", |
|||
"type": "uint256" |
|||
} |
|||
] |
|||
}]; |
|||
|
|||
var contract; |
|||
|
|||
function createExampleContract() { |
|||
// hide create button |
|||
document.getElementById('create').style.visibility = 'hidden'; |
|||
document.getElementById('source').innerText = source; |
|||
|
|||
// create contract |
|||
var address = web3.eth.transact({code: web3.eth.solidity(source)}); |
|||
contract = web3.eth.contract(address, desc); |
|||
document.getElementById('call').style.visibility = 'visible'; |
|||
} |
|||
|
|||
function callExampleContract() { |
|||
// this should be generated by ethereum |
|||
var param = parseInt(document.getElementById('value').value); |
|||
var param2 = parseInt(document.getElementById('value2').value); |
|||
|
|||
// call the contract |
|||
var res = contract.call().multiply([param, param2]); |
|||
document.getElementById('result').innerText = res.toString(10); |
|||
} |
|||
|
|||
</script> |
|||
</head> |
|||
<body> |
|||
<h1>contract</h1> |
|||
<div id="source"></div> |
|||
<div id='create'> |
|||
<button type="button" onClick="createExampleContract();">create example contract</button> |
|||
</div> |
|||
<div id='call' style='visibility: hidden;'> |
|||
<input type="number" id="value" onkeyup='callExampleContract()'></input> |
|||
<input type="number" id="value2" onkeyup='callExampleContract()'></input> |
|||
</div> |
|||
<div id="result"></div> |
|||
</body> |
|||
</html> |
|||
|
|||
@ -0,0 +1,120 @@ |
|||
<!doctype> |
|||
<html> |
|||
<head> |
|||
<script type="text/javascript" src="js/bignumber.js/bignumber.min.js"></script> |
|||
<script type="text/javascript" src="../dist/ethereum.js"></script> |
|||
<script type="text/javascript"> |
|||
var web3 = require('web3'); |
|||
web3.setProvider(new web3.providers.HttpSyncProvider('http://localhost:8080')); |
|||
|
|||
var desc = [{ |
|||
"type":"event", |
|||
"inputs": [{"name":"a","type":"uint256","indexed":true},{"name":"b","type":"hash256","indexed":false}], |
|||
"name":"Event" |
|||
}, { |
|||
"type":"event", |
|||
"inputs": [{"name":"a","type":"uint256","indexed":true},{"name":"b","type":"hash256","indexed":false}], |
|||
"name":"Event2" |
|||
}, { |
|||
"type":"function", |
|||
"inputs": [{"name":"a","type":"uint256"}], |
|||
"name":"foo", |
|||
"outputs": [] |
|||
}]; |
|||
|
|||
var address = '0x01'; |
|||
|
|||
var contract = web3.eth.contract(address, desc); |
|||
|
|||
function test1() { |
|||
// "{"topic":["0x83c9849c","0xc4d76332"],"address":"0x01"}" |
|||
web3.eth.watch(contract).changed(function (res) { |
|||
|
|||
}); |
|||
}; |
|||
|
|||
function test2() { |
|||
// "{"topic":["0x83c9849c"],"address":"0x01"}" |
|||
web3.eth.watch(contract.Event).changed(function (res) { |
|||
|
|||
}); |
|||
}; |
|||
|
|||
function test3() { |
|||
// "{"topic":["0x83c9849c"],"address":"0x01"}" |
|||
contract.Event().changed(function (res) { |
|||
|
|||
}); |
|||
}; |
|||
|
|||
function test4() { |
|||
// "{"topic":["0x83c9849c","0000000000000000000000000000000000000000000000000000000000000045"],"address":"0x01"}" |
|||
contract.Event({a: 69}).changed(function (res) { |
|||
|
|||
}); |
|||
}; |
|||
|
|||
function test5() { |
|||
// "{"topic":["0x83c9849c",["0000000000000000000000000000000000000000000000000000000000000045","000000000000000000000000000000000000000000000000000000000000002a"]],"address":"0x01"}" |
|||
contract.Event({a: [69, 42]}).changed(function (res) { |
|||
|
|||
}); |
|||
}; |
|||
|
|||
function test6() { |
|||
// "{"topic":["0x83c9849c","000000000000000000000000000000000000000000000000000000000000001e"],"max":100,"address":"0x01"}" |
|||
contract.Event({a: 30}, {max: 100}).changed(function (res) { |
|||
|
|||
}); |
|||
}; |
|||
|
|||
function test7() { |
|||
// "{"topic":["0x83c9849c","000000000000000000000000000000000000000000000000000000000000001e"],"address":"0x01"}" |
|||
web3.eth.watch(contract.Event, {a: 30}).changed(function (res) { |
|||
|
|||
}); |
|||
}; |
|||
|
|||
function test8() { |
|||
// "{"topic":["0x83c9849c","000000000000000000000000000000000000000000000000000000000000001e"],"max":100,"address":"0x01"}" |
|||
web3.eth.watch(contract.Event, {a: 30}, {max: 100}).changed(function (res) { |
|||
|
|||
}); |
|||
}; |
|||
|
|||
// not valid |
|||
// function testX() { |
|||
// web3.eth.watch([contract.Event, contract.Event2]).changed(function (res) { |
|||
// }); |
|||
// }; |
|||
|
|||
</script> |
|||
</head> |
|||
|
|||
<body> |
|||
<div> |
|||
<button type="button" onClick="test1();">test1</button> |
|||
</div> |
|||
<div> |
|||
<button type="button" onClick="test2();">test2</button> |
|||
</div> |
|||
<div> |
|||
<button type="button" onClick="test3();">test3</button> |
|||
</div> |
|||
<div> |
|||
<button type="button" onClick="test4();">test4</button> |
|||
</div> |
|||
<div> |
|||
<button type="button" onClick="test5();">test5</button> |
|||
</div> |
|||
<div> |
|||
<button type="button" onClick="test6();">test6</button> |
|||
</div> |
|||
<div> |
|||
<button type="button" onClick="test7();">test7</button> |
|||
</div> |
|||
<div> |
|||
<button type="button" onClick="test8();">test8</button> |
|||
</div> |
|||
</body> |
|||
</html> |
|||
@ -1,16 +1,12 @@ |
|||
#!/usr/bin/env node
|
|||
|
|||
require('es6-promise').polyfill(); |
|||
|
|||
var web3 = require("../index.js"); |
|||
|
|||
web3.setProvider(new web3.providers.HttpRpcProvider('http://localhost:8080')); |
|||
web3.setProvider(new web3.providers.HttpSyncProvider('http://localhost:8080')); |
|||
|
|||
var coinbase = web3.eth.coinbase; |
|||
console.log(coinbase); |
|||
|
|||
var balance = web3.eth.balanceAt(coinbase); |
|||
console.log(balance); |
|||
|
|||
web3.eth.coinbase.then(function(result){ |
|||
console.log(result); |
|||
return web3.eth.balanceAt(result); |
|||
}).then(function(balance){ |
|||
console.log(web3.toDecimal(balance)); |
|||
}).catch(function(err){ |
|||
console.log(err); |
|||
}); |
|||
@ -0,0 +1,33 @@ |
|||
/* |
|||
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 const.js |
|||
* @authors: |
|||
* Marek Kotewicz <marek@ethdev.com> |
|||
* @date 2015 |
|||
*/ |
|||
|
|||
/// required to define ETH_BIGNUMBER_ROUNDING_MODE
|
|||
if (process.env.NODE_ENV !== 'build') { |
|||
var BigNumber = require('bignumber.js'); // jshint ignore:line
|
|||
} |
|||
|
|||
module.exports = { |
|||
ETH_PADDING: 32, |
|||
ETH_SIGNATURE_LENGTH: 4, |
|||
ETH_BIGNUMBER_ROUNDING_MODE: { ROUNDING_MODE: BigNumber.ROUND_DOWN } |
|||
}; |
|||
|
|||
@ -0,0 +1,69 @@ |
|||
/* |
|||
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('./abi'); |
|||
var utils = require('./utils'); |
|||
|
|||
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(event.inputs, key)]; |
|||
|
|||
var value = indexed[key]; |
|||
if (value instanceof Array) { |
|||
return value.map(function (v) { |
|||
return abi.formatInput(inputs, [v]); |
|||
}); |
|||
} |
|||
return abi.formatInput(inputs, [value]); |
|||
}); |
|||
}; |
|||
|
|||
var implementationOfEvent = function (address, signature, event) { |
|||
|
|||
// valid options are 'earliest', 'latest', 'offset' and 'max', as defined for 'eth.watch'
|
|||
return function (indexed, options) { |
|||
var o = options || {}; |
|||
o.address = address; |
|||
o.topic = []; |
|||
o.topic.push(signature); |
|||
if (indexed) { |
|||
o.topic = o.topic.concat(indexedParamsToTopics(event, indexed)); |
|||
} |
|||
return o; |
|||
}; |
|||
}; |
|||
|
|||
module.exports = implementationOfEvent; |
|||
|
|||
@ -0,0 +1,154 @@ |
|||
/* |
|||
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 |
|||
*/ |
|||
|
|||
if (process.env.NODE_ENV !== 'build') { |
|||
var BigNumber = require('bignumber.js'); // jshint ignore:line
|
|||
} |
|||
|
|||
var utils = require('./utils'); |
|||
var c = require('./const'); |
|||
|
|||
/// @param string string to be padded
|
|||
/// @param number of characters that result string should have
|
|||
/// @param sign, by default 0
|
|||
/// @returns right aligned string
|
|||
var padLeft = function (string, chars, sign) { |
|||
return new Array(chars - string.length + 1).join(sign ? sign : "0") + string; |
|||
}; |
|||
|
|||
/// 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
|
|||
/// @returns right-aligned byte representation of int
|
|||
var formatInputInt = function (value) { |
|||
var padding = c.ETH_PADDING * 2; |
|||
if (value instanceof BigNumber || typeof value === 'number') { |
|||
if (typeof value === 'number') |
|||
value = new BigNumber(value); |
|||
BigNumber.config(c.ETH_BIGNUMBER_ROUNDING_MODE); |
|||
value = value.round(); |
|||
|
|||
if (value.lessThan(0)) |
|||
value = new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 16).plus(value).plus(1); |
|||
value = value.toString(16); |
|||
} |
|||
else if (value.indexOf('0x') === 0) |
|||
value = value.substr(2); |
|||
else if (typeof value === 'string') |
|||
value = formatInputInt(new BigNumber(value)); |
|||
else |
|||
value = (+value).toString(16); |
|||
return padLeft(value, padding); |
|||
}; |
|||
|
|||
/// Formats input value to byte representation of string
|
|||
/// @returns left-algined byte representation of string
|
|||
var formatInputString = function (value) { |
|||
return utils.fromAscii(value, c.ETH_PADDING).substr(2); |
|||
}; |
|||
|
|||
/// Formats input value to byte representation of bool
|
|||
/// @returns right-aligned byte representation bool
|
|||
var formatInputBool = function (value) { |
|||
return '000000000000000000000000000000000000000000000000000000000000000' + (value ? '1' : '0'); |
|||
}; |
|||
|
|||
/// Formats input value to byte representation of real
|
|||
/// Values are multiplied by 2^m and encoded as integers
|
|||
/// @returns 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
|
|||
/// @param value is hex format
|
|||
/// @returns 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 input right-aligned input bytes to int
|
|||
/// @returns right-aligned input bytes formatted to int
|
|||
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 big right-aligned input bytes to uint
|
|||
/// @returns right-aligned input bytes formatted to uint
|
|||
var formatOutputUInt = function (value) { |
|||
value = value || "0"; |
|||
return new BigNumber(value, 16); |
|||
}; |
|||
|
|||
/// @returns input bytes formatted to real
|
|||
var formatOutputReal = function (value) { |
|||
return formatOutputInt(value).dividedBy(new BigNumber(2).pow(128)); |
|||
}; |
|||
|
|||
/// @returns input bytes formatted to ureal
|
|||
var formatOutputUReal = function (value) { |
|||
return formatOutputUInt(value).dividedBy(new BigNumber(2).pow(128)); |
|||
}; |
|||
|
|||
/// @returns right-aligned input bytes formatted to hex
|
|||
var formatOutputHash = function (value) { |
|||
return "0x" + value; |
|||
}; |
|||
|
|||
/// @returns right-aligned input bytes formatted to bool
|
|||
var formatOutputBool = function (value) { |
|||
return value === '0000000000000000000000000000000000000000000000000000000000000001' ? true : false; |
|||
}; |
|||
|
|||
/// @returns left-aligned input bytes formatted to ascii string
|
|||
var formatOutputString = function (value) { |
|||
return utils.toAscii(value); |
|||
}; |
|||
|
|||
/// @returns right-aligned input bytes formatted to 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 |
|||
}; |
|||
|
|||
@ -0,0 +1,18 @@ |
|||
var addressName = {"0x12378912345789": "Gav", "0x57835893478594739854": "Jeff"}; |
|||
var nameAddress = {}; |
|||
|
|||
for (var prop in addressName) { |
|||
if (addressName.hasOwnProperty(prop)) { |
|||
nameAddress[addressName[prop]] = prop; |
|||
} |
|||
} |
|||
|
|||
var local = { |
|||
addressBook:{ |
|||
byName: addressName, |
|||
byAddress: nameAddress |
|||
} |
|||
}; |
|||
|
|||
if (typeof(module) !== "undefined") |
|||
module.exports = local; |
|||
@ -0,0 +1,79 @@ |
|||
/* |
|||
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('hash'), format: f.formatInputInt }, |
|||
{ type: prefixedType('string'), 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('hash'), format: f.formatOutputHash }, |
|||
{ type: prefixedType('string'), 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 |
|||
}; |
|||
|
|||
@ -0,0 +1,113 @@ |
|||
/* |
|||
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 |
|||
*/ |
|||
|
|||
/// Finds first index of array element matching pattern
|
|||
/// @param array
|
|||
/// @param callback pattern
|
|||
/// @returns 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; |
|||
}; |
|||
|
|||
/// @returns ascii string representation of hex value prefixed with 0x
|
|||
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; |
|||
}; |
|||
|
|||
var toHex = 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; |
|||
}; |
|||
|
|||
/// @returns hex representation (prefixed by 0x) of ascii string
|
|||
var fromAscii = function(str, pad) { |
|||
pad = pad === undefined ? 0 : pad; |
|||
var hex = toHex(str); |
|||
while (hex.length < pad*2) |
|||
hex += "00"; |
|||
return "0x" + hex; |
|||
}; |
|||
|
|||
/// @returns 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)) : ""; |
|||
}; |
|||
|
|||
/// Filters all function from input abi
|
|||
/// @returns abi array with filtered objects of type 'function'
|
|||
var filterFunctions = function (json) { |
|||
return json.filter(function (current) { |
|||
return current.type === 'function'; |
|||
}); |
|||
}; |
|||
|
|||
/// Filters all events form input abi
|
|||
/// @returns abi array with filtered objects of type 'event'
|
|||
var filterEvents = function (json) { |
|||
return json.filter(function (current) { |
|||
return current.type === 'event'; |
|||
}); |
|||
}; |
|||
|
|||
module.exports = { |
|||
findIndex: findIndex, |
|||
toAscii: toAscii, |
|||
fromAscii: fromAscii, |
|||
extractDisplayName: extractDisplayName, |
|||
extractTypeName: extractTypeName, |
|||
filterFunctions: filterFunctions, |
|||
filterEvents: filterEvents |
|||
}; |
|||
|
|||
@ -0,0 +1,201 @@ |
|||
var assert = require('assert'); |
|||
var contract = require('../lib/contract.js'); |
|||
|
|||
describe('contract', function() { |
|||
it('should create simple contract with one method from abi with explicit type name', function () { |
|||
|
|||
// given
|
|||
var description = [{ |
|||
"name": "test(uint256)", |
|||
"type": "function", |
|||
"inputs": [{ |
|||
"name": "a", |
|||
"type": "uint256" |
|||
} |
|||
], |
|||
"outputs": [ |
|||
{ |
|||
"name": "d", |
|||
"type": "uint256" |
|||
} |
|||
] |
|||
}]; |
|||
|
|||
// when
|
|||
var con = contract(null, description); |
|||
|
|||
// then
|
|||
assert.equal('function', typeof con.test); |
|||
assert.equal('function', typeof con.test['uint256']); |
|||
}); |
|||
|
|||
it('should create simple contract with one method from abi with implicit type name', function () { |
|||
|
|||
// given
|
|||
var description = [{ |
|||
"name": "test", |
|||
"type": "function", |
|||
"inputs": [{ |
|||
"name": "a", |
|||
"type": "uint256" |
|||
} |
|||
], |
|||
"outputs": [ |
|||
{ |
|||
"name": "d", |
|||
"type": "uint256" |
|||
} |
|||
] |
|||
}]; |
|||
|
|||
// when
|
|||
var con = contract(null, description); |
|||
|
|||
// then
|
|||
assert.equal('function', typeof con.test); |
|||
assert.equal('function', typeof con.test['uint256']); |
|||
}); |
|||
|
|||
it('should create contract with multiple methods', function () { |
|||
|
|||
// given
|
|||
var description = [{ |
|||
"name": "test", |
|||
"type": "function", |
|||
"inputs": [{ |
|||
"name": "a", |
|||
"type": "uint256" |
|||
} |
|||
], |
|||
"outputs": [ |
|||
{ |
|||
"name": "d", |
|||
"type": "uint256" |
|||
} |
|||
], |
|||
}, { |
|||
"name": "test2", |
|||
"type": "function", |
|||
"inputs": [{ |
|||
"name": "a", |
|||
"type": "uint256" |
|||
} |
|||
], |
|||
"outputs": [ |
|||
{ |
|||
"name": "d", |
|||
"type": "uint256" |
|||
} |
|||
] |
|||
}]; |
|||
|
|||
// when
|
|||
var con = contract(null, description); |
|||
|
|||
// then
|
|||
assert.equal('function', typeof con.test); |
|||
assert.equal('function', typeof con.test['uint256']); |
|||
assert.equal('function', typeof con.test2); |
|||
assert.equal('function', typeof con.test2['uint256']); |
|||
}); |
|||
|
|||
it('should create contract with overloaded methods', function () { |
|||
|
|||
// given
|
|||
var description = [{ |
|||
"name": "test", |
|||
"type": "function", |
|||
"inputs": [{ |
|||
"name": "a", |
|||
"type": "uint256" |
|||
} |
|||
], |
|||
"outputs": [ |
|||
{ |
|||
"name": "d", |
|||
"type": "uint256" |
|||
} |
|||
], |
|||
}, { |
|||
"name": "test", |
|||
"type": "function", |
|||
"inputs": [{ |
|||
"name": "a", |
|||
"type": "string" |
|||
} |
|||
], |
|||
"outputs": [ |
|||
{ |
|||
"name": "d", |
|||
"type": "uint256" |
|||
} |
|||
] |
|||
}]; |
|||
|
|||
// when
|
|||
var con = contract(null, description); |
|||
|
|||
// then
|
|||
assert.equal('function', typeof con.test); |
|||
assert.equal('function', typeof con.test['uint256']); |
|||
assert.equal('function', typeof con.test['string']); |
|||
}); |
|||
|
|||
it('should create contract with no methods', function () { |
|||
|
|||
// given
|
|||
var description = [{ |
|||
"name": "test(uint256)", |
|||
"inputs": [{ |
|||
"name": "a", |
|||
"type": "uint256" |
|||
} |
|||
], |
|||
"outputs": [ |
|||
{ |
|||
"name": "d", |
|||
"type": "uint256" |
|||
} |
|||
] |
|||
}]; |
|||
|
|||
|
|||
// when
|
|||
var con = contract(null, description); |
|||
|
|||
// then
|
|||
assert.equal('undefined', typeof con.test); |
|||
|
|||
}); |
|||
|
|||
it('should create contract with one event', function () { |
|||
|
|||
// given
|
|||
var description = [{ |
|||
"name": "test", |
|||
"type": "event", |
|||
"inputs": [{ |
|||
"name": "a", |
|||
"type": "uint256" |
|||
} |
|||
], |
|||
"outputs": [ |
|||
{ |
|||
"name": "d", |
|||
"type": "uint256" |
|||
} |
|||
] |
|||
}]; |
|||
|
|||
|
|||
// when
|
|||
var con = contract(null, description); |
|||
|
|||
// then
|
|||
assert.equal('function', typeof con.test); |
|||
assert.equal('function', typeof con.test['uint256']); |
|||
|
|||
}); |
|||
|
|||
}); |
|||
|
|||
@ -0,0 +1,124 @@ |
|||
var assert = require('assert'); |
|||
var event = require('../lib/event.js'); |
|||
var f = require('../lib/formatters.js'); |
|||
|
|||
describe('event', function () { |
|||
it('should create basic filter input object', function () { |
|||
|
|||
// given
|
|||
var address = '0x012345'; |
|||
var signature = '0x987654'; |
|||
var e = { |
|||
name: 'Event', |
|||
inputs: [{"name":"a","type":"uint256","indexed":true},{"name":"b","type":"hash256","indexed":false}] |
|||
}; |
|||
|
|||
// when
|
|||
var impl = event(address, signature, e); |
|||
var result = impl(); |
|||
|
|||
// then
|
|||
assert.equal(result.address, address); |
|||
assert.equal(result.topic.length, 1); |
|||
assert.equal(result.topic[0], signature); |
|||
|
|||
}); |
|||
|
|||
it('should create filter input object with options', function () { |
|||
|
|||
// given
|
|||
var address = '0x012345'; |
|||
var signature = '0x987654'; |
|||
var options = { |
|||
earliest: 1, |
|||
latest: 2, |
|||
offset: 3, |
|||
max: 4 |
|||
}; |
|||
var e = { |
|||
name: 'Event', |
|||
inputs: [{"name":"a","type":"uint256","indexed":true},{"name":"b","type":"hash256","indexed":false}] |
|||
}; |
|||
|
|||
// when
|
|||
var impl = event(address, signature, e); |
|||
var result = impl({}, options); |
|||
|
|||
// then
|
|||
assert.equal(result.address, address); |
|||
assert.equal(result.topic.length, 1); |
|||
assert.equal(result.topic[0], signature); |
|||
assert.equal(result.earliest, options.earliest); |
|||
assert.equal(result.latest, options.latest); |
|||
assert.equal(result.offset, options.offset); |
|||
assert.equal(result.max, options.max); |
|||
|
|||
}); |
|||
|
|||
it('should create filter input object with indexed params', function () { |
|||
|
|||
// given
|
|||
var address = '0x012345'; |
|||
var signature = '0x987654'; |
|||
var options = { |
|||
earliest: 1, |
|||
latest: 2, |
|||
offset: 3, |
|||
max: 4 |
|||
}; |
|||
var e = { |
|||
name: 'Event', |
|||
inputs: [{"name":"a","type":"uint256","indexed":true},{"name":"b","type":"hash256","indexed":false}] |
|||
}; |
|||
|
|||
// when
|
|||
var impl = event(address, signature, e); |
|||
var result = impl({a: 4}, options); |
|||
|
|||
// then
|
|||
assert.equal(result.address, address); |
|||
assert.equal(result.topic.length, 2); |
|||
assert.equal(result.topic[0], signature); |
|||
assert.equal(result.topic[1], f.formatInputInt(4)); |
|||
assert.equal(result.earliest, options.earliest); |
|||
assert.equal(result.latest, options.latest); |
|||
assert.equal(result.offset, options.offset); |
|||
assert.equal(result.max, options.max); |
|||
|
|||
}); |
|||
|
|||
it('should create filter input object with an array of indexed params', function () { |
|||
|
|||
// given
|
|||
var address = '0x012345'; |
|||
var signature = '0x987654'; |
|||
var options = { |
|||
earliest: 1, |
|||
latest: 2, |
|||
offset: 3, |
|||
max: 4 |
|||
}; |
|||
var e = { |
|||
name: 'Event', |
|||
inputs: [{"name":"a","type":"uint256","indexed":true},{"name":"b","type":"hash256","indexed":false}] |
|||
}; |
|||
|
|||
// when
|
|||
var impl = event(address, signature, e); |
|||
var result = impl({a: [4, 69]}, options); |
|||
|
|||
// then
|
|||
assert.equal(result.address, address); |
|||
assert.equal(result.topic.length, 2); |
|||
assert.equal(result.topic[0], signature); |
|||
assert.equal(result.topic[1][0], f.formatInputInt(4)); |
|||
assert.equal(result.topic[1][1], f.formatInputInt(69)); |
|||
assert.equal(result.earliest, options.earliest); |
|||
assert.equal(result.latest, options.latest); |
|||
assert.equal(result.offset, options.offset); |
|||
assert.equal(result.max, options.max); |
|||
|
|||
}); |
|||
|
|||
}); |
|||
|
|||
@ -0,0 +1,49 @@ |
|||
var assert = require('assert'); |
|||
var utils = require('../lib/utils.js'); |
|||
|
|||
describe('utils', function() { |
|||
it('should filter functions and events from input array properly', function () { |
|||
|
|||
// given
|
|||
var description = [{ |
|||
"name": "test", |
|||
"type": "function", |
|||
"inputs": [{ |
|||
"name": "a", |
|||
"type": "uint256" |
|||
} |
|||
], |
|||
"outputs": [ |
|||
{ |
|||
"name": "d", |
|||
"type": "uint256" |
|||
} |
|||
], |
|||
}, { |
|||
"name": "test2", |
|||
"type": "event", |
|||
"inputs": [{ |
|||
"name": "a", |
|||
"type": "uint256" |
|||
} |
|||
], |
|||
"outputs": [ |
|||
{ |
|||
"name": "d", |
|||
"type": "uint256" |
|||
} |
|||
] |
|||
}]; |
|||
|
|||
// when
|
|||
var events = utils.filterEvents(description); |
|||
var functions = utils.filterFunctions(description); |
|||
|
|||
// then
|
|||
assert.equal(events.length, 1); |
|||
assert.equal(events[0].name, 'test2'); |
|||
assert.equal(functions.length, 1); |
|||
assert.equal(functions[0].name, 'test'); |
|||
|
|||
}); |
|||
}); |
|||
@ -1,104 +0,0 @@ |
|||
|
|||
/*
|
|||
This file is part of cpp-ethereum. |
|||
|
|||
cpp-ethereum is free software: you can redistribute it and/or modify |
|||
it under the terms of the GNU General Public License as published by |
|||
the Free Software Foundation, either version 3 of the License, or |
|||
(at your option) any later version. |
|||
|
|||
cpp-ethereum 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 General Public License for more details. |
|||
|
|||
You should have received a copy of the GNU General Public License |
|||
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
|
|||
*/ |
|||
/**
|
|||
* @author Christian <c@ethdev.com> |
|||
* @date 2014 |
|||
* Callgraph of functions inside a contract. |
|||
*/ |
|||
|
|||
#include <libsolidity/AST.h> |
|||
#include <libsolidity/CallGraph.h> |
|||
|
|||
using namespace std; |
|||
|
|||
namespace dev |
|||
{ |
|||
namespace solidity |
|||
{ |
|||
|
|||
void CallGraph::addNode(ASTNode const& _node) |
|||
{ |
|||
_node.accept(*this); |
|||
} |
|||
|
|||
set<FunctionDefinition const*> const& CallGraph::getCalls() |
|||
{ |
|||
computeCallGraph(); |
|||
return m_functionsSeen; |
|||
} |
|||
|
|||
void CallGraph::computeCallGraph() |
|||
{ |
|||
while (!m_workQueue.empty()) |
|||
{ |
|||
m_workQueue.front()->accept(*this); |
|||
m_workQueue.pop(); |
|||
} |
|||
} |
|||
|
|||
bool CallGraph::visit(Identifier const& _identifier) |
|||
{ |
|||
FunctionDefinition const* fun = dynamic_cast<FunctionDefinition const*>(_identifier.getReferencedDeclaration()); |
|||
if (fun) |
|||
{ |
|||
if (m_overrideResolver) |
|||
fun = (*m_overrideResolver)(fun->getName()); |
|||
solAssert(fun, "Error finding override for function " + fun->getName()); |
|||
addFunction(*fun); |
|||
} |
|||
return true; |
|||
} |
|||
|
|||
bool CallGraph::visit(FunctionDefinition const& _function) |
|||
{ |
|||
addFunction(_function); |
|||
return true; |
|||
} |
|||
|
|||
bool CallGraph::visit(MemberAccess const& _memberAccess) |
|||
{ |
|||
// used for "BaseContract.baseContractFunction"
|
|||
if (_memberAccess.getExpression().getType()->getCategory() == Type::Category::TYPE) |
|||
{ |
|||
TypeType const& type = dynamic_cast<TypeType const&>(*_memberAccess.getExpression().getType()); |
|||
if (type.getMembers().getMemberType(_memberAccess.getMemberName())) |
|||
{ |
|||
ContractDefinition const& contract = dynamic_cast<ContractType const&>(*type.getActualType()) |
|||
.getContractDefinition(); |
|||
for (ASTPointer<FunctionDefinition> const& function: contract.getDefinedFunctions()) |
|||
if (function->getName() == _memberAccess.getMemberName()) |
|||
{ |
|||
addFunction(*function); |
|||
return true; |
|||
} |
|||
} |
|||
} |
|||
return true; |
|||
} |
|||
|
|||
void CallGraph::addFunction(FunctionDefinition const& _function) |
|||
{ |
|||
if (!m_functionsSeen.count(&_function)) |
|||
{ |
|||
m_functionsSeen.insert(&_function); |
|||
m_workQueue.push(&_function); |
|||
} |
|||
} |
|||
|
|||
} |
|||
} |
|||
@ -1,64 +0,0 @@ |
|||
/*
|
|||
This file is part of cpp-ethereum. |
|||
|
|||
cpp-ethereum is free software: you can redistribute it and/or modify |
|||
it under the terms of the GNU General Public License as published by |
|||
the Free Software Foundation, either version 3 of the License, or |
|||
(at your option) any later version. |
|||
|
|||
cpp-ethereum 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 General Public License for more details. |
|||
|
|||
You should have received a copy of the GNU General Public License |
|||
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
|
|||
*/ |
|||
/**
|
|||
* @author Christian <c@ethdev.com> |
|||
* @date 2014 |
|||
* Callgraph of functions inside a contract. |
|||
*/ |
|||
|
|||
#include <set> |
|||
#include <queue> |
|||
#include <functional> |
|||
#include <boost/range/iterator_range.hpp> |
|||
#include <libsolidity/ASTVisitor.h> |
|||
|
|||
namespace dev |
|||
{ |
|||
namespace solidity |
|||
{ |
|||
|
|||
/**
|
|||
* Can be used to compute the graph of calls (or rather references) between functions of the same |
|||
* contract. Current functionality is limited to computing all functions that are directly |
|||
* or indirectly called by some functions. |
|||
*/ |
|||
class CallGraph: private ASTConstVisitor |
|||
{ |
|||
public: |
|||
using OverrideResolver = std::function<FunctionDefinition const*(std::string const&)>; |
|||
|
|||
CallGraph(OverrideResolver const& _overrideResolver): m_overrideResolver(&_overrideResolver) {} |
|||
|
|||
void addNode(ASTNode const& _node); |
|||
|
|||
std::set<FunctionDefinition const*> const& getCalls(); |
|||
|
|||
private: |
|||
virtual bool visit(FunctionDefinition const& _function) override; |
|||
virtual bool visit(Identifier const& _identifier) override; |
|||
virtual bool visit(MemberAccess const& _memberAccess) override; |
|||
|
|||
void computeCallGraph(); |
|||
void addFunction(FunctionDefinition const& _function); |
|||
|
|||
OverrideResolver const* m_overrideResolver; |
|||
std::set<FunctionDefinition const*> m_functionsSeen; |
|||
std::queue<FunctionDefinition const*> m_workQueue; |
|||
}; |
|||
|
|||
} |
|||
} |
|||
@ -1,46 +0,0 @@ |
|||
/*
|
|||
This file is part of cpp-ethereum. |
|||
|
|||
cpp-ethereum is free software: you can redistribute it and/or modify |
|||
it under the terms of the GNU General Public License as published by |
|||
the Free Software Foundation, either version 3 of the License, or |
|||
(at your option) any later version. |
|||
|
|||
cpp-ethereum 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 General Public License for more details. |
|||
|
|||
You should have received a copy of the GNU General Public License |
|||
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
|
|||
*/ |
|||
/** @file CorsHttpServer.cpp
|
|||
* @author Marek Kotewicz <marek@ethdev.com> |
|||
* @date 2014 |
|||
*/ |
|||
|
|||
#include "CorsHttpServer.h" |
|||
|
|||
namespace jsonrpc |
|||
{ |
|||
|
|||
int HttpServer::callback(struct mg_connection*) |
|||
{ |
|||
return 0; |
|||
} |
|||
|
|||
bool CorsHttpServer::SendResponse(std::string const& _response, void* _addInfo) |
|||
{ |
|||
struct mg_connection* conn = (struct mg_connection*) _addInfo; |
|||
if (mg_printf(conn, "HTTP/1.1 200 OK\r\n" |
|||
"Content-Type: application/json\r\n" |
|||
"Content-Length: %d\r\n" |
|||
"Access-Control-Allow-Origin: *\r\n" |
|||
"Access-Control-Allow-Headers: Content-Type\r\n" |
|||
"\r\n" |
|||
"%s",(int)_response.length(), _response.c_str()) > 0) |
|||
return true; |
|||
return false; |
|||
} |
|||
|
|||
} |
|||
@ -1,35 +0,0 @@ |
|||
/*
|
|||
This file is part of cpp-ethereum. |
|||
|
|||
cpp-ethereum is free software: you can redistribute it and/or modify |
|||
it under the terms of the GNU General Public License as published by |
|||
the Free Software Foundation, either version 3 of the License, or |
|||
(at your option) any later version. |
|||
|
|||
cpp-ethereum 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 General Public License for more details. |
|||
|
|||
You should have received a copy of the GNU General Public License |
|||
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
|
|||
*/ |
|||
/** @file CorsHttpServer.h
|
|||
* @author Marek Kotewicz <marek@ethdev.com> |
|||
* @date 2014 |
|||
*/ |
|||
|
|||
#include <jsonrpccpp/server/connectors/httpserver.h> |
|||
|
|||
namespace jsonrpc |
|||
{ |
|||
|
|||
class CorsHttpServer: public HttpServer |
|||
{ |
|||
public: |
|||
using HttpServer::HttpServer; |
|||
bool virtual SendResponse(std::string const& _response, void* _addInfo = NULL); |
|||
}; |
|||
|
|||
} |
|||
|
|||
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Reference in new issue