@plugnet/util-crypto/mnemonic/toSeed.js

A collection of useful crypto utilities for @plugnet

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = toSeed;

var _bip = require("bip39");

var _util = require("@plugnet/util");

var _wasmCrypto = require("@plugnet/wasm-crypto");

// Copyright 2017-2019 @polkadot/util-crypto authors & contributors
// This software may be modified and distributed under the terms
// of the Apache-2.0 license. See the LICENSE file for details.

/**
 * @name toSeed
 * @summary Creates a valid seed from a mnemonic input
 * @example
 * <BR>
 *
 * ```javascript
 * import { mnemonicGenerate, mnemonicToSeed, mnemonicValidate } from '@plugnet/util-crypto';
 *
 * const mnemonic = mnemonicGenerate(); // => string
 * const isValidMnemonic = mnemonicValidate(mnemonic); // => boolean
 *
 * if (isValidMnemonic) {
 *   console.log(`Seed generated from mnemonic: ${mnemonicToSeed(mnemonic)}`); => u8a
 * }
 * ```
 */
function toSeed(mnemonic) {
  let password = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';
  return (0, _wasmCrypto.isReady)() ? (0, _wasmCrypto.bip39ToSeed)(mnemonic, password) : (0, _util.bufferToU8a)((0, _bip.mnemonicToSeed)(mnemonic, password)).subarray(0, 32);
}