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Текущая директория: /opt/BitGoJS/modules/sdk-coin-avaxc/dist/src/lib
Просмотр файла: keyPair.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.KeyPair = void 0;
const crypto_1 = require("crypto");
const secp256k1_1 = require("@bitgo/secp256k1");
const ethereumjs_util_1 = require("ethereumjs-util");
const sdk_core_1 = require("@bitgo/sdk-core");
const DEFAULT_SEED_SIZE_BYTES = 16;
/**
 * Avalanche keys and address management for the C-Chain.
 */
class KeyPair extends sdk_core_1.Secp256k1ExtendedKeyPair {
    /**
     * Public constructor. By default, creates a key pair with a random master seed.
     *
     * @param { KeyPairOptions } source Either a master seed, a private key (extended or raw), or a public key
     *     (extended, compressed, or uncompressed)
     */
    constructor(source) {
        super(source);
        if (!source) {
            const seed = (0, crypto_1.randomBytes)(DEFAULT_SEED_SIZE_BYTES);
            this.hdNode = secp256k1_1.bip32.fromSeed(seed);
        }
        else if ((0, sdk_core_1.isSeed)(source)) {
            this.hdNode = secp256k1_1.bip32.fromSeed(source.seed);
        }
        else if ((0, sdk_core_1.isPrivateKey)(source)) {
            this.recordKeysFromPrivateKey(source.prv);
        }
        else if ((0, sdk_core_1.isPublicKey)(source)) {
            this.recordKeysFromPublicKey(source.pub);
        }
        else {
            throw new Error('Invalid key pair options');
        }
        if (this.hdNode) {
            this.keyPair = sdk_core_1.Secp256k1ExtendedKeyPair.toKeyPair(this.hdNode);
        }
    }
    /**
     * Avalanche C-Chain default keys format is the same as ethereum: raw private and uncompressed public key
     *
     * @returns { DefaultKeys } The keys in the protocol default key format
     */
    getKeys() {
        return {
            pub: this.getPublicKey({ compressed: false }).toString('hex').toUpperCase(),
            prv: this.getPrivateKey()?.toString('hex').toUpperCase(),
        };
    }
    /**
     * Get an Avalanche C-Chain public address in ethereum format
     *
     * @returns {string} The address derived from the public key
     */
    getAddress() {
        const publicKey = Buffer.from(this.getKeys().pub, 'hex'); // first two characters identify a public key
        return (0, ethereumjs_util_1.addHexPrefix)((0, ethereumjs_util_1.pubToAddress)(publicKey, true).toString('hex'));
    }
}
exports.KeyPair = KeyPair;
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