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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 signature.js
* @authors:
* Marek Kotewicz <marek@ethdev.com>
* @date 2015
*/
var web3 = require('../web3');
var c = require('../utils/config');
/// @param function name for which we want to get signature
/// @returns signature of function with given name
var functionSignatureFromAscii = function (name) {
return web3.sha3(web3.fromAscii(name)).slice(0, 2 + c.ETH_SIGNATURE_LENGTH * 2);
};
/// @param event name for which we want to get signature
/// @returns signature of event with given name
var eventSignatureFromAscii = function (name) {
return web3.sha3(web3.fromAscii(name));
};
module.exports = {
functionSignatureFromAscii: functionSignatureFromAscii,
eventSignatureFromAscii: eventSignatureFromAscii
};