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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 eth.js
* @author Marek Kotewicz <marek@ethdev.com>
* @author Fabian Vogelsteller <fabian@ethdev.com>
* @date 2015
*/
/**
* Web3
*
* @module web3
*/
/**
* Eth methods and properties
*
* An example method object can look as follows:
*
* {
* name: 'getBlock',
* call: blockCall,
* params: 2,
* outputFormatter: formatters.outputBlockFormatter,
* inputFormatter: [ // can be a formatter funciton or an array of functions. Where each item in the array will be used for one parameter
* utils.toHex, // formats paramter 1
* function(param){ return !!param; } // formats paramter 2
* ]
* },
*
* @class [web3] eth
* @constructor
*/
"use strict";
var formatters = require('./formatters');
var utils = require('../utils/utils');
var Method = require('./method');
var Property = require('./property');
var blockCall = function (args) {
return (utils.isString(args[0]) && args[0].indexOf('0x') === 0) ? "eth_getBlockByHash" : "eth_getBlockByNumber";
};
var transactionFromBlockCall = function (args) {
return (utils.isString(args[0]) && args[0].indexOf('0x') === 0) ? 'eth_getTransactionByBlockHashAndIndex' : 'eth_getTransactionByBlockNumberAndIndex';
};
var uncleCall = function (args) {
return (utils.isString(args[0]) && args[0].indexOf('0x') === 0) ? 'eth_getUncleByBlockHashAndIndex' : 'eth_getUncleByBlockNumberAndIndex';
};
var getBlockTransactionCountCall = function (args) {
return (utils.isString(args[0]) && args[0].indexOf('0x') === 0) ? 'eth_getBlockTransactionCountByHash' : 'eth_getBlockTransactionCountByNumber';
};
var uncleCountCall = function (args) {
return (utils.isString(args[0]) && args[0].indexOf('0x') === 0) ? 'eth_getUncleCountByBlockHash' : 'eth_getUncleCountByBlockNumber';
};
/// @returns an array of objects describing web3.eth api methods
var getBalance = new Method({
name: 'getBalance',
call: 'eth_getBalance',
params: 2,
inputFormatter: [utils.toHex, formatters.inputDefaultBlockNumberFormatter],
outputFormatter: formatters.outputBigNumberFormatter
});
var getStorageAt = new Method({
name: 'getStorageAt',
call: 'eth_getStorageAt',
params: 3,
inputFormatter: [null, utils.toHex, formatters.inputDefaultBlockNumberFormatter]
});
var getCode = new Method({
name: 'getCode',
call: 'eth_getCode',
params: 2,
inputFormatter: [null, formatters.inputDefaultBlockNumberFormatter]
});
var getBlock = new Method({
name: 'getBlock',
call: blockCall,
params: 2,
inputFormatter: [utils.toHex, function (val) { return !!val; }],
outputFormatter: formatters.outputBlockFormatter
});
var getUncle = new Method({
name: 'getUncle',
call: uncleCall,
params: 3,
inputFormatter: [utils.toHex, utils.toHex, function (val) { return !!val; }],
outputFormatter: formatters.outputBlockFormatter,
});
var getCompilers = new Method({
name: 'getCompilers',
call: 'eth_getCompilers',
params: 0
});
var getBlockTransactionCount = new Method({
name: 'getBlockTransactionCount',
call: getBlockTransactionCountCall,
params: 1,
inputFormatter: [utils.toHex],
outputFormatter: utils.toDecimal
});
var getBlockUncleCount = new Method({
name: 'getBlockUncleCount',
call: uncleCountCall,
params: 1,
inputFormatter: [utils.toHex],
outputFormatter: utils.toDecimal
});
var getTransaction = new Method({
name: 'getTransaction',
call: 'eth_getTransactionByHash',
params: 1,
outputFormatter: formatters.outputTransactionFormatter
});
var getTransactionFromBlock = new Method({
name: 'getTransactionFromBlock',
call: transactionFromBlockCall,
params: 2,
inputFormatter: [utils.toHex, utils.toHex],
outputFormatter: formatters.outputTransactionFormatter
});
var getTransactionCount = new Method({
name: 'getTransactionCount',
call: 'eth_getTransactionCount',
params: 2,
inputFormatter: [null, formatters.inputDefaultBlockNumberFormatter],
outputFormatter: utils.toDecimal
});
var sendTransaction = new Method({
name: 'sendTransaction',
call: 'eth_sendTransaction',
params: 1,
inputFormatter: [formatters.inputTransactionFormatter]
});
var call = new Method({
name: 'call',
call: 'eth_call',
params: 2,
inputFormatter: [formatters.inputCallFormatter, formatters.inputDefaultBlockNumberFormatter]
});
var compileSolidity = new Method({
name: 'compile.solidity',
call: 'eth_compileSolidity',
params: 1
});
var compileLLL = new Method({
name: 'compile.lll',
call: 'eth_compileLLL',
params: 1
});
var compileSerpent = new Method({
name: 'compile.serpent',
call: 'eth_compileSerpent',
params: 1
});
var flush = new Method({
name: 'flush',
call: 'eth_flush',
params: 0
});
var methods = [
getBalance,
getStorageAt,
getCode,
getBlock,
getUncle,
getCompilers,
getBlockTransactionCount,
getBlockUncleCount,
getTransaction,
getTransactionFromBlock,
getTransactionCount,
call,
sendTransaction,
compileSolidity,
compileLLL,
compileSerpent,
flush
];
/// @returns an array of objects describing web3.eth api properties
var properties = [
new Property({
name: 'coinbase',
getter: 'eth_coinbase'
}),
new Property({
name: 'mining',
getter: 'eth_mining'
}),
new Property({
name: 'gasPrice',
getter: 'eth_gasPrice',
outputFormatter: formatters.inputNumberFormatter
}),
new Property({
name: 'accounts',
getter: 'eth_accounts'
}),
new Property({
name: 'blockNumber',
getter: 'eth_blockNumber',
outputFormatter: utils.toDecimal
})
];
module.exports = {
methods: methods,
properties: properties
};
|