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authorobscuren <geffobscura@gmail.com>2015-01-29 06:33:24 +0800
committerobscuren <geffobscura@gmail.com>2015-01-29 06:33:24 +0800
commit73dcbf7ba23ea4d4d87d4261ff7ebaecfe0ec810 (patch)
treefcb77584c93b2df50065b091ace7b0155be8c251 /cmd/mist/assets/ext/ethereum.js/lib/web3.js
parentf80fe9776335312615ce3b1a565e4f48e171ab0d (diff)
parent63d9c070ef7637a3d570a5a45ea931c1680ebc02 (diff)
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Add 'cmd/mist/assets/ext/ethereum.js/' from commit '63d9c070ef7637a3d570a5a45ea931c1680ebc02'
git-subtree-dir: cmd/mist/assets/ext/ethereum.js git-subtree-mainline: f80fe9776335312615ce3b1a565e4f48e171ab0d git-subtree-split: 63d9c070ef7637a3d570a5a45ea931c1680ebc02
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+/*
+ This file is part of ethereum.js.
+
+ ethereum.js is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ ethereum.js is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file web3.js
+ * @authors:
+ * Jeffrey Wilcke <jeff@ethdev.com>
+ * Marek Kotewicz <marek@ethdev.com>
+ * Marian Oancea <marian@ethdev.com>
+ * Gav Wood <g@ethdev.com>
+ * @date 2014
+ */
+
+if (process.env.NODE_ENV !== 'build') {
+ var BigNumber = require('bignumber.js');
+}
+
+var ETH_UNITS = [
+ 'wei',
+ 'Kwei',
+ 'Mwei',
+ 'Gwei',
+ 'szabo',
+ 'finney',
+ 'ether',
+ 'grand',
+ 'Mether',
+ 'Gether',
+ 'Tether',
+ 'Pether',
+ 'Eether',
+ 'Zether',
+ 'Yether',
+ 'Nether',
+ 'Dether',
+ 'Vether',
+ 'Uether'
+];
+
+/// @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: 'flush', call: 'eth_flush' },
+ { 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: '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: 'getMessages', 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 () {
+ var args = Array.prototype.slice.call(arguments);
+ var call = typeof method.call === 'function' ? method.call(args) : method.call;
+ return web3.provider.send({
+ call: call,
+ args: args
+ });
+ };
+ });
+};
+
+/// 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 web3.provider.send({
+ call: property.getter
+ });
+ };
+
+ if (property.setter) {
+ proto.set = function (val) {
+ return web3.provider.send({
+ call: property.setter,
+ args: [val]
+ });
+ };
+ }
+ Object.defineProperty(obj, property.name, proto);
+ });
+};
+
+/// 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;
+ },
+
+ /// @returns ascii string representation of hex value prefixed with 0x
+ 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;
+ },
+
+ /// @returns hex representation (prefixed by 0x) of ascii string
+ fromAscii: function(str, pad) {
+ pad = pad === undefined ? 0 : pad;
+ var hex = this.toHex(str);
+ while(hex.length < pad*2)
+ hex += "00";
+ return "0x" + hex;
+ },
+
+ /// @returns decimal representaton of hex value prefixed by 0x
+ toDecimal: function (val) {
+ // remove 0x and place 0, if it's required
+ val = val.length > 2 ? val.substring(2) : "0";
+ return (new BigNumber(val, 16).toString(10));
+ },
+
+ /// @returns hex representation (prefixed by 0x) of decimal value
+ fromDecimal: function (val) {
+ return "0x" + (new BigNumber(val).toString(16));
+ },
+
+ /// used to transform value/string to eth string
+ /// TODO: use BigNumber.js to parse int
+ 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 = ETH_UNITS;
+ 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 object prototype
+ eth: {
+ contractFromAbi: function (abi) {
+ return function(addr) {
+ // Default to address of Config. TODO: rremove prior to genesis.
+ addr = addr || '0xc6d9d2cd449a754c494264e1809c50e34d64562b';
+ var ret = web3.eth.contract(addr, abi);
+ ret.address = addr;
+ return ret;
+ };
+ },
+ watch: function (params) {
+ return new web3.filter(params, ethWatch);
+ }
+ },
+
+ /// db object prototype
+ db: {},
+
+ /// shh object prototype
+ shh: {
+ watch: function (params) {
+ return new web3.filter(params, shhWatch);
+ }
+ },
+
+ /// @returns true if provider is installed
+ haveProvider: function() {
+ return !!web3.provider.provider;
+ }
+};
+
+/// 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());
+
+web3.setProvider = function(provider) {
+ //provider.onmessage = messageHandler; // there will be no async calls, to remove
+ web3.provider.set(provider);
+};
+
+module.exports = web3;
+