@thorwallet/xchain-bitcoincash/lib/get-address.js

Custom bitcoincash client and utilities used by XChainJS clients

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getAddress = void 0;
const tslib_1 = require("tslib");
const lib_1 = require("@thorwallet/xchain-crypto/lib");
const BigInteger = require('bigi');
const bitcash = require('@psf/bitcoincashjs-lib');
const utils = tslib_1.__importStar(require("./utils"));
const addrCache = {};
const ENABLE_FAST = true;
const rootDerivationPaths = {
    mainnet: `m/44'/145'/0'/0/`,
    testnet: `m/44'/1'/0'/0/`,
};
const getBCHKeys = (network, phrase, derivationPath) => tslib_1.__awaiter(void 0, void 0, void 0, function* () {
    try {
        const rootSeed = yield lib_1.getSeed(phrase);
        if (ENABLE_FAST) {
            const master = yield (yield lib_1.bip32.fromSeed(rootSeed, utils.bchNetwork(network))).derivePath(derivationPath);
            const d = BigInteger.fromBuffer(master.privateKey);
            const btcKeyPair = new bitcash.ECPair(d, null, {
                network: utils.bchNetwork(network),
                compressed: true,
            });
            return btcKeyPair;
        }
        const masterHDNode = bitcash.HDNode.fromSeedBuffer(rootSeed, utils.bchNetwork(network));
        const keyPair = yield masterHDNode.derivePath(derivationPath).keyPair;
        return keyPair;
    }
    catch (error) {
        throw new Error(`Getting key pair failed: ${(error === null || error === void 0 ? void 0 : error.message) || error.toString()}`);
    }
});
const getFullDerivationPath = (network, index) => {
    return rootDerivationPaths[network] + `${index}`;
};
const getAddress = ({ network, phrase, index = 0, }) => tslib_1.__awaiter(void 0, void 0, void 0, function* () {
    if (addrCache[phrase] && addrCache[phrase][index]) {
        return addrCache[phrase][index];
    }
    try {
        const keys = yield getBCHKeys(network, phrase, getFullDerivationPath(network, index));
        const address = yield keys.getAddress(index);
        const addr = utils.stripPrefix(utils.toCashAddress(address));
        if (!addrCache[phrase]) {
            addrCache[phrase] = {};
        }
        addrCache[phrase][index] = addr;
        return addr;
    }
    catch (error) {
        throw new Error('Address not defined');
    }
});
exports.getAddress = getAddress;
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