@parity/api/lib/util/sha3.js

The Parity Promise-based API library for interfacing with Ethereum over RPC

"use strict";
// Copyright 2015-2019 Parity Technologies (UK) Ltd.
// This file is part of Parity.
//
// SPDX-License-Identifier: MIT
Object.defineProperty(exports, "__esModule", { value: true });
var js_sha3_1 = require("js-sha3");
var format_1 = require("./format");
var types_1 = require("./types");
/**
 *
 * @param value - The value to hash
 * @param options - Set the encoding in the options, encoding can be `'hex'`
 * or `'raw'`.
 */
exports.sha3 = function (value, options) {
    var forceHex = options && options.encoding === 'hex';
    if (forceHex || (!options && types_1.isHex(value))) {
        var bytes = format_1.hexToBytes(value);
        return exports.sha3(bytes);
    }
    var hash = js_sha3_1.keccak_256(value);
    return "0x" + hash;
};
exports.sha3Text = function (val) { return exports.sha3(val, { encoding: 'raw' }); };