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