@hdwallet/core/lib.esm/seeds/electrum/v1.js

A complete Hierarchical Deterministic (HD) Wallet generator for 200+ cryptocurrencies, built with TypeScript.

// SPDX-License-Identifier: MIT
import { Seed } from '../seed';
import { ElectrumV1Mnemonic } from '../../mnemonics';
import { sha256 } from '../../crypto';
import { bytesToString, concatBytes, toBuffer } from '../../utils';
import { MnemonicError } from '../../exceptions';
export class ElectrumV1Seed extends Seed {
    static hashIterationNumber = 10 ** 5;
    static getName() {
        return 'Electrum-V1';
    }
    static fromMnemonic(mnemonic) {
        const phrase = typeof mnemonic === 'string' ? mnemonic : mnemonic.getMnemonic();
        if (!ElectrumV1Mnemonic.isValid(phrase)) {
            throw new MnemonicError(`Invalid ${this.getName()} mnemonic words`);
        }
        const entropy = ElectrumV1Mnemonic.decode(phrase);
        const entropyBuffer = toBuffer(entropy, 'utf8');
        let entropyHash = entropyBuffer;
        for (let i = 0; i < this.hashIterationNumber; i++) {
            entropyHash = sha256(concatBytes(entropyHash, entropyBuffer));
        }
        return bytesToString(entropyHash);
    }
}
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