openethereum/js/src/api/util/sha3.js
Tomasz Drwięga 7aa2af3e21 Auto-detect hex encoded bytes in sha3 (#4108)
* Auto-detect hex encoded bytes in sha3

* Using types/isHex

* Removing unused imports
2017-01-10 18:56:56 +01:00

36 lines
1.1 KiB
JavaScript

// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity 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 General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
import { keccak_256 } from 'js-sha3'; // eslint-disable-line
import { hexToBytes } from './format';
import { isHex } from './types';
export function sha3 (value, options) {
const forceHex = options && options.encoding === 'hex';
if (forceHex || (!options && isHex(value))) {
const bytes = hexToBytes(value);
return sha3(bytes);
}
const hash = keccak_256(value);
return `0x${hash}`;
}
sha3.text = (val) => sha3(val, { encoding: 'raw' });