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Просмотр файла: random.js
/*
This file is part of web3.js.
web3.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.
web3.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 web3.js. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @module Utils
*/
import { getRandomBytesSync } from 'ethereum-cryptography/random.js';
import { bytesToHex } from './converters.js';
/**
* Returns a random byte array by the given bytes size
* @param size - The size of the random byte array returned
* @returns - random byte array
*
* @example
* ```ts
* console.log(web3.utils.randomBytes(32));
* > Uint8Array(32) [
* 93, 172, 226, 32, 33, 176, 156, 156,
* 182, 30, 240, 2, 69, 96, 174, 197,
* 33, 136, 194, 241, 197, 156, 110, 111,
* 66, 87, 17, 88, 67, 48, 245, 183
* ]
* ```
*/
export const randomBytes = (size) => getRandomBytesSync(size);
/**
* Returns a random hex string by the given bytes size
* @param byteSize - The size of the random hex string returned
* @returns - random hex string
*
* ```ts
* console.log(web3.utils.randomHex(32));
* > 0x139f5b88b72a25eab053d3b57fe1f8a9dbc62a526b1cb1774d0d7db1c3e7ce9e
* ```
*/
export const randomHex = (byteSize) => bytesToHex(randomBytes(byteSize));
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