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175 lines
5.0 KiB
175 lines
5.0 KiB
/*
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This file is part of ethereum.js.
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ethereum.js is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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ethereum.js is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file web3.js
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* @authors:
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* Jeffrey Wilcke <jeff@ethdev.com>
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* Marek Kotewicz <marek@ethdev.com>
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* Marian Oancea <marian@ethdev.com>
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* Fabian Vogelsteller <fabian@ethdev.com>
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* Gav Wood <g@ethdev.com>
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* @date 2014
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*/
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var version = require('./version.json');
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var net = require('./web3/net');
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var eth = require('./web3/eth');
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var db = require('./web3/db');
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var shh = require('./web3/shh');
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var watches = require('./web3/watches');
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var Filter = require('./web3/filter');
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var utils = require('./utils/utils');
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var formatters = require('./web3/formatters');
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var RequestManager = require('./web3/requestmanager');
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var c = require('./utils/config');
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var Property = require('./web3/property');
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var Batch = require('./web3/batch');
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var sha3 = require('./utils/sha3');
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var web3Properties = [
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new Property({
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name: 'version.client',
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getter: 'web3_clientVersion'
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}),
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new Property({
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name: 'version.network',
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getter: 'net_version',
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inputFormatter: utils.toDecimal
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}),
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new Property({
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name: 'version.ethereum',
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getter: 'eth_protocolVersion',
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inputFormatter: utils.toDecimal
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}),
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new Property({
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name: 'version.whisper',
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getter: 'shh_version',
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inputFormatter: utils.toDecimal
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})
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];
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/// creates methods in a given object based on method description on input
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/// setups api calls for these methods
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var setupMethods = function (obj, methods) {
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methods.forEach(function (method) {
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method.attachToObject(obj);
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});
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};
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/// creates properties in a given object based on properties description on input
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/// setups api calls for these properties
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var setupProperties = function (obj, properties) {
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properties.forEach(function (property) {
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property.attachToObject(obj);
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});
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};
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/// setups web3 object, and it's in-browser executed methods
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var web3 = {};
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web3.providers = {};
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web3.currentProvider = null;
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web3.version = {};
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web3.version.api = version.version;
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web3.eth = {};
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/*jshint maxparams:4 */
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web3.eth.filter = function (fil, callback) {
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return new Filter(fil, watches.eth(), formatters.outputLogFormatter, callback);
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};
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/*jshint maxparams:3 */
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web3.shh = {};
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web3.shh.filter = function (fil, callback) {
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return new Filter(fil, watches.shh(), formatters.outputPostFormatter, callback);
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};
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web3.net = {};
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web3.db = {};
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web3.setProvider = function (provider) {
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this.currentProvider = provider;
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RequestManager.getInstance().setProvider(provider);
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};
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web3.isConnected = function(){
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return (this.currentProvider && this.currentProvider.isConnected());
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};
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web3.reset = function () {
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RequestManager.getInstance().reset();
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c.defaultBlock = 'latest';
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c.defaultAccount = undefined;
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};
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web3.toHex = utils.toHex;
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web3.toAscii = utils.toAscii;
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web3.fromAscii = utils.fromAscii;
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web3.toDecimal = utils.toDecimal;
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web3.fromDecimal = utils.fromDecimal;
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web3.toBigNumber = utils.toBigNumber;
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web3.toWei = utils.toWei;
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web3.fromWei = utils.fromWei;
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web3.isAddress = utils.isAddress;
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web3.isIBAN = utils.isIBAN;
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web3.sha3 = sha3;
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web3.createBatch = function () {
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return new Batch();
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};
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// ADD defaultblock
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Object.defineProperty(web3.eth, 'defaultBlock', {
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get: function () {
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return c.defaultBlock;
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},
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set: function (val) {
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c.defaultBlock = val;
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return val;
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}
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});
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Object.defineProperty(web3.eth, 'defaultAccount', {
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get: function () {
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return c.defaultAccount;
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},
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set: function (val) {
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c.defaultAccount = val;
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return val;
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}
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});
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// EXTEND
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web3._extend = function(extension){
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/*jshint maxcomplexity: 6 */
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if(extension.property && !web3[extension.property])
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web3[extension.property] = {};
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setupMethods(web3[extension.property] || web3, extension.methods || []);
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setupProperties(web3[extension.property] || web3, extension.properties || []);
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};
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web3._extend.formatters = formatters;
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web3._extend.utils = utils;
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web3._extend.Method = require('./web3/method');
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web3._extend.Property = require('./web3/property');
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/// setups all api methods
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setupProperties(web3, web3Properties);
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setupMethods(web3.net, net.methods);
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setupProperties(web3.net, net.properties);
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setupMethods(web3.eth, eth.methods);
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setupProperties(web3.eth, eth.properties);
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setupMethods(web3.db, db.methods);
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setupMethods(web3.shh, shh.methods);
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module.exports = web3;
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