Add 'cmd/mist/assets/ext/ethereum.js/' from commit '63d9c070ef7637a3d570a5a45ea931c1680ebc02'
git-subtree-dir: cmd/mist/assets/ext/ethereum.js git-subtree-mainline:f80fe97763git-subtree-split:63d9c070ef
This commit is contained in:
obscuren
327
cmd/mist/assets/ext/ethereum.js/lib/web3.js
Normal file
327
cmd/mist/assets/ext/ethereum.js/lib/web3.js
Normal file
@ -0,0 +1,327 @@
|
||||
/*
|
||||
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;
|
||||
|
||||
Reference in New Issue
Block a user