bsv-p2p-wallet-uat/lib/HDPrivateKey.js

A Bitcoin SV Wallet Library

"use strict";
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var __importStar = (this && this.__importStar) || function (mod) {
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};
Object.defineProperty(exports, "__esModule", { value: true });
const address_1 = __importDefault(require("bsv/lib/address"));
const hdprivatekey_1 = __importDefault(require("bsv/lib/hdprivatekey"));
const words_1 = __importDefault(require("bsv/lib/mnemonic/words"));
const mnemonic_1 = __importDefault(require("bsv/mnemonic"));
const Words = __importStar(require("bsv/lib/mnemonic/words/index.js"));
const HDPrivateKeyFromMnemonic = (key, language, network) => {
    const mnemonicObj = (0, mnemonic_1.default)(key, Words[language]);
    return hdprivatekey_1.default.fromSeed(mnemonicObj.toSeed(), network);
};
class HDPrivateKeyManager {
    constructor({ key, keyFormat, language, network }) {
        // * si il n'y a pas de clef on crée un nouveau wallet
        if (!key) {
            const mnemonic = mnemonic_1.default.fromRandom(Words[language]);
            this.masterHDPrivateKey = hdprivatekey_1.default.fromSeed(mnemonic.toSeed(), network);
            this.mnemonic = mnemonic.toString();
            return;
        }
        if (keyFormat == "seed") {
            // * c'est de la merde on peut pas recup le mnemonic avec ça
            this.masterHDPrivateKey = hdprivatekey_1.default.fromString(key);
        }
        if (keyFormat == "mnemonic") {
            const mnemonic = key;
            const privKey = HDPrivateKeyFromMnemonic(mnemonic, language, network);
            this.masterHDPrivateKey = privKey;
            this.mnemonic = mnemonic;
        }
        this.network = network;
    }
    /**
     * ------ Wrapper BSV.JS ----
     */
    _getPrivateKey(index) {
        return this.masterHDPrivateKey.deriveChild(`m/44'/${this.network == "testnet" ? 1 : 0}'/0'/0/${index}`, false).privateKey;
    }
    _getPublicKey(index) {
        return this._getPrivateKey(index).publicKey;
    }
    _getAddress(index) {
        return address_1.default.fromPublicKey(this._getPublicKey(index), this.network);
    }
    // * clean interface
    getDerivatedPublicKey(index) {
        return this._getPublicKey(index).toString();
    }
    getDerivatedPrivateKey(index) {
        return this._getPrivateKey(index).toString();
    }
    getDerivatedAddress(index) {
        return this._getAddress(index).toString();
    }
    getMnemonic(language = "ENGLISH") {
        if (!this.mnemonic) {
            throw new Error('you should create the private key instance from the "mnemonic" KeyFormat if you would like to use this feature');
        }
        if (language != "ENGLISH") {
            throw new Error("sorry mnemonic language other than english are not yet implemented");
        }
        // todo: changement de langage
        const wordList = words_1.default[language];
        return this.mnemonic;
    }
    /**
     * give out a range of adresses
     */
    getAddresses(start, end) {
        // * in case of wreid input
        if (end < start) {
            const tmp = start;
            start = end;
            end = tmp;
        }
        // console.log({ start, end });
        const addresses = [];
        for (let n = start; n <= end; ++n) {
            addresses.push(this.getDerivatedAddress(n));
        }
        return addresses;
    }
    toString() {
        return this.getMnemonic();
    }
}
exports.default = HDPrivateKeyManager;