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. */ /** @file abi.js * @authors: * Marek Kotewicz * Gav Wood * @date 2014 */ // TODO: is these line is supposed to be here? if ("build" !== 'build') {/* var web3 = require('./web3'); // jshint ignore:line */} // TODO: make these be actually accurate instead of falling back onto JS's doubles. var hexToDec = function (hex) { return parseInt(hex, 16).toString(); }; var decToHex = function (dec) { return parseInt(dec).toString(16); }; 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; }; var findMethodIndex = function (json, methodName) { return findIndex(json, function (method) { return method.name === methodName; }); }; var padLeft = function (string, chars) { return new Array(chars - string.length + 1).join("0") + string; }; var setupInputTypes = function () { var prefixedType = function (prefix) { return function (type, value) { var expected = prefix; if (type.indexOf(expected) !== 0) { return false; } var padding = 32; // override as per the new ABI. if (prefix === "string") return web3.fromAscii(value, padding).substr(2); if (typeof value === "number") value = value.toString(16); else if (typeof value === "string") value = web3.toHex(value); else if (value.indexOf('0x') === 0) value = value.substr(2); else value = (+value).toString(16); return padLeft(value, padding * 2); }; }; var namedType = function (name, formatter) { return function (type, value) { if (type !== name) { return false; } var padding = 32; //override as per the new ABI. return padLeft(formatter ? formatter(value) : value, padding * 2); }; }; var formatBool = function (value) { return value ? '0x1' : '0x0'; }; return [ prefixedType('uint'), prefixedType('int'), prefixedType('hash'), prefixedType('string'), prefixedType('real'), prefixedType('ureal'), namedType('address'), namedType('bool', formatBool), ]; }; var inputTypes = setupInputTypes(); var toAbiInput = function (json, methodName, params) { var bytes = ""; var index = findMethodIndex(json, methodName); if (index === -1) { return; } var method = json[index]; for (var i = 0; i < method.inputs.length; i++) { var found = false; for (var j = 0; j < inputTypes.length && !found; j++) { found = inputTypes[j](method.inputs[i].type, params[i]); } if (!found) { console.error('unsupported json type: ' + method.inputs[i].type); } bytes += found; } return bytes; }; var setupOutputTypes = function () { var prefixedType = function (prefix) { return function (type) { var expected = prefix; if (type.indexOf(expected) !== 0) { return -1; } var padding = 32; // override as per the new ABI. return padding * 2; }; }; var namedType = function (name) { return function (type) { var padding = 32; // override as per the new ABI. return name === type ? padding * 2 : -1; }; }; var formatInt = function (value) { return value.length <= 8 ? +parseInt(value, 16) : hexToDec(value); }; var formatHash = function (value) { return "0x" + value; }; var formatBool = function (value) { return value === '1' ? true : false; }; var formatString = function (value) { return web3.toAscii(value); }; return [ { padding: prefixedType('uint'), format: formatInt }, { padding: prefixedType('int'), format: formatInt }, { padding: prefixedType('hash'), format: formatHash }, { padding: prefixedType('string'), format: formatString }, { padding: prefixedType('real'), format: formatInt }, { padding: prefixedType('ureal'), format: formatInt }, { padding: namedType('address') }, { padding: namedType('bool'), format: formatBool } ]; }; var outputTypes = setupOutputTypes(); var fromAbiOutput = function (json, methodName, output) { var index = findMethodIndex(json, methodName); if (index === -1) { return; } output = output.slice(2); var result = []; var method = json[index]; for (var i = 0; i < method.outputs.length; i++) { var padding = -1; for (var j = 0; j < outputTypes.length && padding === -1; j++) { padding = outputTypes[j].padding(method.outputs[i].type); } if (padding === -1) { // not found output parsing continue; } var res = output.slice(0, padding); var formatter = outputTypes[j - 1].format; result.push(formatter ? formatter(res) : ("0x" + res)); output = output.slice(padding); } return result; }; var inputParser = function (json) { var parser = {}; json.forEach(function (method) { parser[method.name] = function () { var params = Array.prototype.slice.call(arguments); return toAbiInput(json, method.name, params); }; }); return parser; }; var outputParser = function (json) { var parser = {}; json.forEach(function (method) { parser[method.name] = function (output) { return fromAbiOutput(json, method.name, output); }; }); return parser; }; var methodSignature = function (json, name) { var method = json[findMethodIndex(json, name)]; var result = name + '('; var inputTypes = method.inputs.map(function (inp) { return inp.type; }); result += inputTypes.join(','); result += ')'; return web3.sha3(web3.fromAscii(result)); }; module.exports = { inputParser: inputParser, outputParser: outputParser, methodSignature: methodSignature }; },{}],2:[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 . */ /** @file autoprovider.js * @authors: * Marek Kotewicz * Marian Oancea * @date 2014 */ /* * @brief if qt object is available, uses QtProvider, * if not tries to connect over websockets * if it fails, it uses HttpRpcProvider */ // TODO: is these line is supposed to be here? if ("build" !== 'build') {/* var WebSocket = require('ws'); // jshint ignore:line var web3 = require('./web3'); // jshint ignore:line */} var AutoProvider = function (userOptions) { if (web3.haveProvider()) { return; } // before we determine what provider we are, we have to cache request this.sendQueue = []; this.onmessageQueue = []; if (navigator.qt) { this.provider = new web3.providers.QtProvider(); return; } userOptions = userOptions || {}; var options = { httprpc: userOptions.httprpc || 'http://localhost:8080', websockets: userOptions.websockets || 'ws://localhost:40404/eth' }; var self = this; var closeWithSuccess = function (success) { ws.close(); if (success) { self.provider = new web3.providers.WebSocketProvider(options.websockets); } else { self.provider = new web3.providers.HttpRpcProvider(options.httprpc); self.poll = self.provider.poll.bind(self.provider); } self.sendQueue.forEach(function (payload) { self.provider(payload); }); self.onmessageQueue.forEach(function (handler) { self.provider.onmessage = handler; }); }; var ws = new WebSocket(options.websockets); ws.onopen = function() { closeWithSuccess(true); }; ws.onerror = function() { closeWithSuccess(false); }; }; AutoProvider.prototype.send = function (payload) { if (this.provider) { this.provider.send(payload); return; } this.sendQueue.push(payload); }; Object.defineProperty(AutoProvider.prototype, 'onmessage', { set: function (handler) { if (this.provider) { this.provider.onmessage = handler; return; } this.onmessageQueue.push(handler); } }); module.exports = AutoProvider; },{}],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 . */ /** @file contract.js * @authors: * Marek Kotewicz * @date 2014 */ // TODO: is these line is supposed to be here? if ("build" !== 'build') {/* var web3 = require('./web3'); // jshint ignore:line */} var abi = require('./abi'); // method signature length in bytes var ETH_METHOD_SIGNATURE_LENGTH = 4; var contract = function (address, desc) { var inputParser = abi.inputParser(desc); var outputParser = abi.outputParser(desc); var contract = {}; desc.forEach(function (method) { contract[method.name] = function () { var params = Array.prototype.slice.call(arguments); var parsed = inputParser[method.name].apply(null, params); var onSuccess = function (result) { return outputParser[method.name](result); }; return { call: function (extra) { extra = extra || {}; extra.to = address; return abi.methodSignature(desc, method.name).then(function (signature) { extra.data = signature.slice(0, 2 + ETH_METHOD_SIGNATURE_LENGTH * 2) + parsed; return web3.eth.call(extra).then(onSuccess); }); }, transact: function (extra) { extra = extra || {}; extra.to = address; return abi.methodSignature(desc, method.name).then(function (signature) { extra.data = signature.slice(0, 2 + ETH_METHOD_SIGNATURE_LENGTH * 2) + parsed; return web3.eth.transact(extra).then(onSuccess); }); } }; }; }); return contract; }; module.exports = contract; },{"./abi":1}],4:[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 . */ /** @file filter.js * @authors: * Jeffrey Wilcke * Marek Kotewicz * Marian Oancea * Gav Wood * @date 2014 */ // TODO: is these line is supposed to be here? if ("build" !== 'build') {/* var web3 = require('./web3'); // jshint ignore:line */} /// should be used when we want to watch something /// it's using inner polling mechanism and is notified about changes var Filter = function(options, impl) { this.impl = impl; this.callbacks = []; var self = this; this.promise = impl.newFilter(options); this.promise.then(function (id) { self.id = id; web3.on(impl.changed, id, self.trigger.bind(self)); web3.provider.startPolling({call: impl.changed, args: [id]}, id); }); }; /// alias for changed* Filter.prototype.arrived = function(callback) { this.changed(callback); }; /// gets called when there is new eth/shh message Filter.prototype.changed = function(callback) { var self = this; this.promise.then(function(id) { self.callbacks.push(callback); }); }; /// trigger calling new message from people Filter.prototype.trigger = function(messages) { for(var i = 0; i < this.callbacks.length; i++) { this.callbacks[i].call(this, messages); } }; /// should be called to uninstall current filter Filter.prototype.uninstall = function() { var self = this; this.promise.then(function (id) { self.impl.uninstallFilter(id); web3.provider.stopPolling(id); web3.off(impl.changed, id); }); }; /// should be called to manually trigger getting latest messages from the client Filter.prototype.messages = function() { var self = this; return this.promise.then(function (id) { return self.impl.getMessages(id); }); }; /// alias for messages Filter.prototype.logs = function () { return this.messages(); }; module.exports = Filter; },{}],5:[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 . */ /** @file httprpc.js * @authors: * Marek Kotewicz * Marian Oancea * @date 2014 */ // TODO: is these line is supposed to be here? if ("build" !== 'build') {/* var XMLHttpRequest = require('xmlhttprequest').XMLHttpRequest; // jshint ignore:line */} var HttpRpcProvider = function (host) { this.handlers = []; this.host = host; }; function formatJsonRpcObject(object) { return { jsonrpc: '2.0', method: object.call, params: object.args, id: object._id }; } function formatJsonRpcMessage(message) { var object = JSON.parse(message); return { _id: object.id, data: object.result, error: object.error }; } HttpRpcProvider.prototype.sendRequest = function (payload, cb) { var data = formatJsonRpcObject(payload); var request = new XMLHttpRequest(); request.open("POST", this.host, true); request.send(JSON.stringify(data)); request.onreadystatechange = function () { if (request.readyState === 4 && cb) { cb(request); } }; }; HttpRpcProvider.prototype.send = function (payload) { var self = this; this.sendRequest(payload, function (request) { self.handlers.forEach(function (handler) { handler.call(self, formatJsonRpcMessage(request.responseText)); }); }); }; HttpRpcProvider.prototype.poll = function (payload, id) { var self = this; this.sendRequest(payload, function (request) { var parsed = JSON.parse(request.responseText); if (parsed.error || (parsed.result instanceof Array ? parsed.result.length === 0 : !parsed.result)) { return; } self.handlers.forEach(function (handler) { handler.call(self, {_event: payload.call, _id: id, data: parsed.result}); }); }); }; Object.defineProperty(HttpRpcProvider.prototype, "onmessage", { set: function (handler) { this.handlers.push(handler); } }); module.exports = HttpRpcProvider; },{}],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 . */ /** @file qt.js * @authors: * Jeffrey Wilcke * Marek Kotewicz * @date 2014 */ var QtProvider = function() { this.handlers = []; var self = this; navigator.qt.onmessage = function (message) { self.handlers.forEach(function (handler) { handler.call(self, JSON.parse(message.data)); }); }; }; QtProvider.prototype.send = function(payload) { navigator.qt.postMessage(JSON.stringify(payload)); }; Object.defineProperty(QtProvider.prototype, "onmessage", { set: function(handler) { this.handlers.push(handler); } }); module.exports = QtProvider; },{}],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 . */ /** @file web3.js * @authors: * Jeffrey Wilcke * Marek Kotewicz * Marian Oancea * Gav Wood * @date 2014 */ var Filter = require('./filter'); /// Recursively resolves all promises in given object and replaces the resolved values with promises /// @param any object/array/promise/anything else.. /// @returns (resolves) object with replaced promises with their result function flattenPromise (obj) { if (obj instanceof Promise) { return Promise.resolve(obj); } if (obj instanceof Array) { return new Promise(function (resolve) { var promises = obj.map(function (o) { return flattenPromise(o); }); return Promise.all(promises).then(function (res) { for (var i = 0; i < obj.length; i++) { obj[i] = res[i]; } resolve(obj); }); }); } if (obj instanceof Object) { return new Promise(function (resolve) { var keys = Object.keys(obj); var promises = keys.map(function (key) { return flattenPromise(obj[key]); }); return Promise.all(promises).then(function (res) { for (var i = 0; i < keys.length; i++) { obj[keys[i]] = res[i]; } resolve(obj); }); }); } return Promise.resolve(obj); } /// @returns an array of objects describing web3 api methods var web3Methods = function () { return [ { name: 'sha3', call: 'web3_sha3' } ]; }; /// @returns an array of objects describing web3.eth api methods var ethMethods = function () { var blockCall = function (args) { return typeof args[0] === "string" ? "eth_blockByHash" : "eth_blockByNumber"; }; var transactionCall = function (args) { return typeof args[0] === "string" ? 'eth_transactionByHash' : 'eth_transactionByNumber'; }; var uncleCall = function (args) { return typeof args[0] === "string" ? 'eth_uncleByHash' : 'eth_uncleByNumber'; }; var methods = [ { name: 'balanceAt', call: 'eth_balanceAt' }, { name: 'stateAt', call: 'eth_stateAt' }, { name: 'storageAt', call: 'eth_storageAt' }, { name: 'countAt', call: 'eth_countAt'}, { name: 'codeAt', call: 'eth_codeAt' }, { name: 'transact', call: 'eth_transact' }, { name: 'call', call: 'eth_call' }, { name: 'block', call: blockCall }, { name: 'transaction', call: transactionCall }, { name: 'uncle', call: uncleCall }, { name: 'compilers', call: 'eth_compilers' }, { name: 'lll', call: 'eth_lll' }, { name: 'solidity', call: 'eth_solidity' }, { name: 'serpent', call: 'eth_serpent' }, { name: 'logs', call: 'eth_logs' } ]; return methods; }; /// @returns an array of objects describing web3.eth api properties var ethProperties = function () { return [ { name: 'coinbase', getter: 'eth_coinbase', setter: 'eth_setCoinbase' }, { name: 'listening', getter: 'eth_listening', setter: 'eth_setListening' }, { name: 'mining', getter: 'eth_mining', setter: 'eth_setMining' }, { name: 'gasPrice', getter: 'eth_gasPrice' }, { name: 'account', getter: 'eth_account' }, { name: 'accounts', getter: 'eth_accounts' }, { name: 'peerCount', getter: 'eth_peerCount' }, { name: 'defaultBlock', getter: 'eth_defaultBlock', setter: 'eth_setDefaultBlock' }, { name: 'number', getter: 'eth_number'} ]; }; /// @returns an array of objects describing web3.db api methods var dbMethods = function () { return [ { name: 'put', call: 'db_put' }, { name: 'get', call: 'db_get' }, { name: 'putString', call: 'db_putString' }, { name: 'getString', call: 'db_getString' } ]; }; /// @returns an array of objects describing web3.shh api methods var shhMethods = function () { return [ { name: 'post', call: 'shh_post' }, { name: 'newIdentity', call: 'shh_newIdentity' }, { name: 'haveIdentity', call: 'shh_haveIdentity' }, { name: 'newGroup', call: 'shh_newGroup' }, { name: 'addToGroup', call: 'shh_addToGroup' } ]; }; /// @returns an array of objects describing web3.eth.watch api methods var ethWatchMethods = function () { var newFilter = function (args) { return typeof args[0] === 'string' ? 'eth_newFilterString' : 'eth_newFilter'; }; return [ { name: 'newFilter', call: newFilter }, { name: 'uninstallFilter', call: 'eth_uninstallFilter' }, { name: 'getMessages', call: 'eth_filterLogs' } ]; }; /// @returns an array of objects describing web3.shh.watch api methods var shhWatchMethods = function () { return [ { name: 'newFilter', call: 'shh_newFilter' }, { name: 'uninstallFilter', call: 'shh_uninstallFilter' }, { name: 'getMessage', call: 'shh_getMessages' } ]; }; /// 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) { obj[method.name] = function () { return flattenPromise(Array.prototype.slice.call(arguments)).then(function (args) { var call = typeof method.call === "function" ? method.call(args) : method.call; return {call: call, args: args}; }).then(function (request) { return new Promise(function (resolve, reject) { web3.provider.send(request, function (err, result) { if (!err) { resolve(result); return; } reject(err); }); }); }).catch(function(err) { console.error(err); }); }; }); }; /// 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) { var proto = {}; proto.get = function () { return new Promise(function(resolve, reject) { web3.provider.send({call: property.getter}, function(err, result) { if (!err) { resolve(result); return; } reject(err); }); }); }; if (property.setter) { proto.set = function (val) { return flattenPromise([val]).then(function (args) { return new Promise(function (resolve) { web3.provider.send({call: property.setter, args: args}, function (err, result) { if (!err) { resolve(result); return; } reject(err); }); }); }).catch(function (err) { console.error(err); }); }; } Object.defineProperty(obj, property.name, proto); }); }; // TODO: import from a dependency, don't duplicate. var hexToDec = function (hex) { return parseInt(hex, 16).toString(); }; var decToHex = function (dec) { return parseInt(dec).toString(16); }; /// setups web3 object, and it's in-browser executed methods var web3 = { _callbacks: {}, _events: {}, providers: {}, 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; }, 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; }, fromAscii: function(str, pad) { pad = pad === undefined ? 0 : pad; var hex = this.toHex(str); while(hex.length < pad*2) hex += "00"; return "0x" + hex; }, toDecimal: function (val) { return hexToDec(val.substring(2)); }, fromDecimal: function (val) { return "0x" + decToHex(val); }, toEth: function(str) { var val = typeof str === "string" ? str.indexOf('0x') === 0 ? parseInt(str.substr(2), 16) : parseInt(str) : str; var unit = 0; var units = [ 'wei', 'Kwei', 'Mwei', 'Gwei', 'szabo', 'finney', 'ether', 'grand', 'Mether', 'Gether', 'Tether', 'Pether', 'Eether', 'Zether', 'Yether', 'Nether', 'Dether', 'Vether', 'Uether' ]; while (val > 3000 && unit < units.length - 1) { val /= 1000; unit++; } var s = val.toString().length < val.toFixed(2).length ? val.toString() : val.toFixed(2); var replaceFunction = function($0, $1, $2) { return $1 + ',' + $2; }; while (true) { var o = s; s = s.replace(/(\d)(\d\d\d[\.\,])/, replaceFunction); if (o === s) break; } return s + ' ' + units[unit]; }, eth: { prototype: Object(), // jshint ignore:line watch: function (params) { return new Filter(params, ethWatch); } }, db: { prototype: Object() // jshint ignore:line }, shh: { prototype: Object(), // jshint ignore:line watch: function (params) { return new Filter(params, shhWatch); } }, on: function(event, id, cb) { if(web3._events[event] === undefined) { web3._events[event] = {}; } web3._events[event][id] = cb; return this; }, off: function(event, id) { if(web3._events[event] !== undefined) { delete web3._events[event][id]; } return this; }, trigger: function(event, id, data) { var callbacks = web3._events[event]; if (!callbacks || !callbacks[id]) { return; } var cb = callbacks[id]; cb(data); } }; /// setups all api methods setupMethods(web3, web3Methods()); setupMethods(web3.eth, ethMethods()); setupProperties(web3.eth, ethProperties()); setupMethods(web3.db, dbMethods()); setupMethods(web3.shh, shhMethods()); var ethWatch = { changed: 'eth_changed' }; setupMethods(ethWatch, ethWatchMethods()); var shhWatch = { changed: 'shh_changed' }; setupMethods(shhWatch, shhWatchMethods()); /// Provider manager object prototype var ProviderManager = function() { this.queued = []; this.polls = []; this.ready = false; this.provider = undefined; this.id = 1; var self = this; var poll = function () { if (self.provider && self.provider.poll) { self.polls.forEach(function (data) { data.data._id = self.id; self.id++; self.provider.poll(data.data, data.id); }); } setTimeout(poll, 12000); }; poll(); }; /// sends outgoing requests, if provider is not available, enqueue the request ProviderManager.prototype.send = function(data, cb) { data._id = this.id; if (cb) { web3._callbacks[data._id] = cb; } data.args = data.args || []; this.id++; if(this.provider !== undefined) { this.provider.send(data); } else { console.warn("provider is not set"); this.queued.push(data); } }; /// setups provider, which will be used for sending messages ProviderManager.prototype.set = function(provider) { if(this.provider !== undefined && this.provider.unload !== undefined) { this.provider.unload(); } this.provider = provider; this.ready = true; }; /// resends queued messages ProviderManager.prototype.sendQueued = function() { for(var i = 0; this.queued.length; i++) { // Resend this.send(this.queued[i]); } }; /// @returns true if the provider i properly set ProviderManager.prototype.installed = function() { return this.provider !== undefined; }; /// this method is only used, when we do not have native qt bindings and have to do polling on our own /// should be callled, on start watching for eth/shh changes ProviderManager.prototype.startPolling = function (data, pollId) { if (!this.provider || !this.provider.poll) { return; } this.polls.push({data: data, id: pollId}); }; /// should be called to stop polling for certain watch changes ProviderManager.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); } } }; web3.provider = new ProviderManager(); web3.setProvider = function(provider) { provider.onmessage = messageHandler; web3.provider.set(provider); web3.provider.sendQueued(); }; /// returns true if provider is installed web3.haveProvider = function() { return !!web3.provider.provider; }; /// callled when there is new incoming message function messageHandler(data) { if(data._event !== undefined) { web3.trigger(data._event, data._id, data.data); return; } if(data._id) { var cb = web3._callbacks[data._id]; if (cb) { cb.call(this, data.error, data.data); delete web3._callbacks[data._id]; } } } if (typeof(module) !== "undefined") module.exports = web3; },{"./filter":4}],8:[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 . */ /** @file websocket.js * @authors: * Jeffrey Wilcke * Marek Kotewicz * Marian Oancea * @date 2014 */ // TODO: is these line is supposed to be here? if ("build" !== 'build') {/* var WebSocket = require('ws'); // jshint ignore:line */} var WebSocketProvider = function(host) { // onmessage handlers this.handlers = []; // queue will be filled with messages if send is invoked before the ws is ready this.queued = []; this.ready = false; this.ws = new WebSocket(host); var self = this; this.ws.onmessage = function(event) { for(var i = 0; i < self.handlers.length; i++) { self.handlers[i].call(self, JSON.parse(event.data), event); } }; this.ws.onopen = function() { self.ready = true; for(var i = 0; i < self.queued.length; i++) { // Resend self.send(self.queued[i]); } }; }; WebSocketProvider.prototype.send = function(payload) { if(this.ready) { var data = JSON.stringify(payload); this.ws.send(data); } else { this.queued.push(payload); } }; WebSocketProvider.prototype.onMessage = function(handler) { this.handlers.push(handler); }; WebSocketProvider.prototype.unload = function() { this.ws.close(); }; Object.defineProperty(WebSocketProvider.prototype, "onmessage", { set: function(provider) { this.onMessage(provider); } }); if (typeof(module) !== "undefined") module.exports = WebSocketProvider; },{}],"web3":[function(require,module,exports){ var web3 = require('./lib/web3'); web3.providers.WebSocketProvider = require('./lib/websocket'); web3.providers.HttpRpcProvider = require('./lib/httprpc'); web3.providers.QtProvider = require('./lib/qt'); web3.providers.AutoProvider = require('./lib/autoprovider'); web3.eth.contract = require('./lib/contract'); module.exports = web3; },{"./lib/autoprovider":2,"./lib/contract":3,"./lib/httprpc":5,"./lib/qt":6,"./lib/web3":7,"./lib/websocket":8}]},{},["web3"]) //# sourceMappingURL=ethereum.js.map