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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/@bitgo/sdk-coin-xtz/dist/src/lib
Просмотр файла: keyPair.js
"use strict";
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if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
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o["default"] = v;
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var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
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if (mod && mod.__esModule) return mod;
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};
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var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.KeyPair = void 0;
const crypto_1 = require("crypto");
const blake2b_1 = __importDefault(require("@bitgo/blake2b"));
const secp256k1_1 = require("@bitgo/secp256k1");
const sdk_core_1 = require("@bitgo/sdk-core");
const Utils = __importStar(require("./utils"));
const DEFAULT_SEED_SIZE_BYTES = 16;
/**
* Tezos keys and address management.
*/
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);
}
}
/**
* Build a Hierarchical Deterministic node or an ECPair from a private key.
* Specific Tezos implementation
*
* @param {string} prv An extended or raw private key
*/
recordKeysFromPrivateKey(prv) {
if ((0, sdk_core_1.isValidXprv)(prv)) {
this.hdNode = secp256k1_1.bip32.fromBase58(prv);
}
else if ((0, sdk_core_1.isValidPrv)(prv)) {
// Cannot create the HD node without the chain code, so create a regular Key Chain
this.keyPair = secp256k1_1.ECPair.fromPrivateKey(Buffer.from(prv, 'hex'));
}
else if (Utils.isValidKey(prv, Utils.hashTypes.spsk)) {
this.keyPair = secp256k1_1.ECPair.fromPrivateKey(Utils.decodeKey(prv, Utils.hashTypes.spsk));
}
else {
throw new Error('Unsupported private key');
}
}
/**
* Build a Hierarchical Deterministic node or an ECPair from a public key.
* Specific Tezos implementation
*
* @param {string} pub - An extended, compressed, or uncompressed public key
*/
recordKeysFromPublicKey(pub) {
if ((0, sdk_core_1.isValidXpub)(pub)) {
this.hdNode = secp256k1_1.bip32.fromBase58(pub);
}
else if ((0, sdk_core_1.isValidPub)(pub)) {
// Cannot create an HD node without the chain code, so create a regular Key Chain
this.keyPair = secp256k1_1.ECPair.fromPublicKey(Buffer.from(pub, 'hex'));
}
else if (Utils.isValidKey(pub, Utils.hashTypes.sppk)) {
this.keyPair = secp256k1_1.ECPair.fromPublicKey(Utils.decodeKey(pub, Utils.hashTypes.sppk));
}
else {
throw new Error('Unsupported public key: ' + pub);
}
}
/**
* Return Tezos default keys with the respective prefixes
*
* @returns {DefaultKeys} The keys in the protocol default key format
*/
getKeys() {
// Always use the compressed version to be consistent
const result = {
pub: Utils.base58encode(Utils.hashTypes.sppk.prefix, this.getPublicKey({ compressed: true })),
};
const prvBuffer = this.getPrivateKey();
if (prvBuffer) {
result.prv = Utils.base58encode(Utils.hashTypes.spsk.prefix, prvBuffer);
}
return result;
}
/**
* Get a public address.
*
* @returns {string} The public address
*/
getAddress() {
const pub = this.getPublicKey({ compressed: true });
const out = Buffer.alloc(20);
const b2b = (0, blake2b_1.default)(out.length).update(pub).digest(out);
return Utils.base58encode(Utils.hashTypes.tz2.prefix, b2b);
}
}
exports.KeyPair = KeyPair;
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By default, creates a key pair with a random master seed.\n   *\n   * @param {KeyPairOptions} source Either a master seed, a private key (extended or raw), or a public key\n   *     (extended, compressed, or uncompressed)\n   */\n  constructor(source?: KeyPairOptions) {\n    super(source);\n    if (!source) {\n      const seed = randomBytes(DEFAULT_SEED_SIZE_BYTES);\n      this.hdNode = bip32.fromSeed(seed);\n    } else if (isSeed(source)) {\n      this.hdNode = bip32.fromSeed(source.seed);\n    } else if (isPrivateKey(source)) {\n      this.recordKeysFromPrivateKey(source.prv);\n    } else if (isPublicKey(source)) {\n      this.recordKeysFromPublicKey(source.pub);\n    } else {\n      throw new Error('Invalid key pair options');\n    }\n\n    if (this.hdNode) {\n      this.keyPair = Secp256k1ExtendedKeyPair.toKeyPair(this.hdNode);\n    }\n  }\n\n  /**\n   * Build a Hierarchical Deterministic node or an ECPair from a private key.\n   * Specific Tezos implementation\n   *\n   * @param {string} prv An extended or raw private key\n   */\n  recordKeysFromPrivateKey(prv: string): void {\n    if (isValidXprv(prv)) {\n      this.hdNode = bip32.fromBase58(prv);\n    } else if (isValidPrv(prv)) {\n      // Cannot create the HD node without the chain code, so create a regular Key Chain\n      this.keyPair = ECPair.fromPrivateKey(Buffer.from(prv, 'hex'));\n    } else if (Utils.isValidKey(prv, Utils.hashTypes.spsk)) {\n      this.keyPair = ECPair.fromPrivateKey(Utils.decodeKey(prv, Utils.hashTypes.spsk));\n    } else {\n      throw new Error('Unsupported private key');\n    }\n  }\n\n  /**\n   * Build a Hierarchical Deterministic node or an ECPair from a public key.\n   * Specific Tezos implementation\n   *\n   * @param {string} pub - An extended, compressed, or uncompressed public key\n   */\n  recordKeysFromPublicKey(pub: string): void {\n    if (isValidXpub(pub)) {\n      this.hdNode = bip32.fromBase58(pub);\n    } else if (isValidPub(pub)) {\n      // Cannot create an HD node without the chain code, so create a regular Key Chain\n      this.keyPair = ECPair.fromPublicKey(Buffer.from(pub, 'hex'));\n    } else if (Utils.isValidKey(pub, Utils.hashTypes.sppk)) {\n      this.keyPair = ECPair.fromPublicKey(Utils.decodeKey(pub, Utils.hashTypes.sppk));\n    } else {\n      throw new Error('Unsupported public key: ' + pub);\n    }\n  }\n\n  /**\n   * Return Tezos default keys with the respective prefixes\n   *\n   * @returns {DefaultKeys} The keys in the protocol default key format\n   */\n  getKeys(): DefaultKeys {\n    // Always use the compressed version to be consistent\n    const result: DefaultKeys = {\n      pub: Utils.base58encode(Utils.hashTypes.sppk.prefix, this.getPublicKey({ compressed: true })),\n    };\n    const prvBuffer: Buffer | undefined = this.getPrivateKey();\n    if (prvBuffer) {\n      result.prv = Utils.base58encode(Utils.hashTypes.spsk.prefix, prvBuffer);\n    }\n    return result;\n  }\n\n  /**\n   * Get a public address.\n   *\n   * @returns {string} The public address\n   */\n  getAddress(): string {\n    const pub = this.getPublicKey({ compressed: true });\n    const out = Buffer.alloc(20);\n    const b2b = blake2b(out.length).update(pub).digest(out);\n    return Utils.base58encode(Utils.hashTypes.tz2.prefix, b2b);\n  }\n}\n"]}Выполнить команду
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