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Текущая директория: /opt/BitGoJS/node_modules/@hashgraph/cryptography/lib
Просмотр файла: PublicKey.cjs

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _Key = _interopRequireDefault(require("./Key.cjs"));

var _BadKeyError = _interopRequireDefault(require("./BadKeyError.cjs"));

var _Ed25519PublicKey = _interopRequireDefault(require("./Ed25519PublicKey.cjs"));

var _EcdsaPublicKey = _interopRequireDefault(require("./EcdsaPublicKey.cjs"));

var _array = require("./util/array.cjs");

var hex = _interopRequireWildcard(require("./encoding/hex.cjs"));

function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }

function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

/**
 * @typedef {import("./PrivateKey.js").Transaction} Transaction
 */

/**
 * An public key on the Hedera™ network.
 */
class PublicKey extends _Key.default {
  /**
   * @internal
   * @hideconstructor
   * @param {Ed25519PublicKey | EcdsaPublicKey} key
   */
  constructor(key) {
    super();
    /**
     * @type {Ed25519PublicKey | EcdsaPublicKey}
     * @private
     * @readonly
     */

    this._key = key;
  }
  /**
   * @returns {string}
   */


  get _type() {
    return this._key._type;
  }
  /**
   * @param {Uint8Array} data
   * @returns {PublicKey}
   */


  static fromBytes(data) {
    try {
      return new PublicKey(_Ed25519PublicKey.default.fromBytes(data));
    } catch {// Do nothing
    }

    try {
      return new PublicKey(_EcdsaPublicKey.default.fromBytes(data));
    } catch {// Do nothing
    }

    throw new _BadKeyError.default(`invalid public key length: ${data.length} bytes`);
  }
  /**
   * @param {Uint8Array} data
   * @returns {PublicKey}
   */


  static fromBytesED25519(data) {
    return new PublicKey(_Ed25519PublicKey.default.fromBytes(data));
  }
  /**
   * @param {Uint8Array} data
   * @returns {PublicKey}
   */


  static fromBytesECDSA(data) {
    return new PublicKey(_EcdsaPublicKey.default.fromBytes(data));
  }
  /**
   * Parse a public key from a string of hexadecimal digits.
   *
   * The public key may optionally be prefixed with
   * the DER header.
   *
   * @param {string} text
   * @returns {PublicKey}
   */


  static fromString(text) {
    return PublicKey.fromBytes(hex.decode(text));
  }
  /**
   * @param {string} text
   * @returns {PublicKey}
   */


  static fromStringED25519(text) {
    return PublicKey.fromBytesED25519(hex.decode(text));
  }
  /**
   * @param {string} text
   * @returns {PublicKey}
   */


  static fromStringECDSA(text) {
    return PublicKey.fromBytesECDSA(hex.decode(text));
  }
  /**
   * Verify a signature on a message with this public key.
   *
   * @param {Uint8Array} message
   * @param {Uint8Array} signature
   * @returns {boolean}
   */


  verify(message, signature) {
    return this._key.verify(message, signature);
  }
  /**
   * @deprecated - use `@hashgraph/sdk`.PublicKey instead
   * @param {Transaction} transaction
   * @returns {boolean}
   */


  verifyTransaction(transaction) {
    console.log("Deprecated: use `@hashgraph/sdk`.PublicKey instead");

    transaction._requireFrozen();

    if (!transaction.isFrozen()) {
      transaction.freeze();
    }

    for (const signedTransaction of transaction._signedTransactions) {
      if (signedTransaction.sigMap != null && signedTransaction.sigMap.sigPair != null) {
        let found = false;

        for (const sigPair of signedTransaction.sigMap.sigPair) {
          const pubKeyPrefix =
          /** @type {Uint8Array} */
          sigPair.pubKeyPrefix;

          if ((0, _array.arrayEqual)(pubKeyPrefix, this.toBytesRaw())) {
            found = true;
            const bodyBytes =
            /** @type {Uint8Array} */
            signedTransaction.bodyBytes;
            const signature = sigPair.ed25519 != null ? sigPair.ed25519 :
            /** @type {Uint8Array} */
            sigPair.ECDSASecp256k1;

            if (!this.verify(bodyBytes, signature)) {
              return false;
            }
          }
        }

        if (!found) {
          return false;
        }
      }
    }

    return true;
  }
  /**
   * @returns {Uint8Array}
   */


  toBytes() {
    if (this._key instanceof _Ed25519PublicKey.default) {
      return this.toBytesRaw();
    } else {
      return this.toBytesDer();
    }
  }
  /**
   * @returns {Uint8Array}
   */


  toBytesDer() {
    return this._key.toBytesDer();
  }
  /**
   * @returns {Uint8Array}
   */


  toBytesRaw() {
    return this._key.toBytesRaw();
  }
  /**
   * @returns {string}
   */


  toString() {
    return this.toStringDer();
  }
  /**
   * @returns {string}
   */


  toStringDer() {
    return hex.encode(this.toBytesDer());
  }
  /**
   * @returns {string}
   */


  toStringRaw() {
    return hex.encode(this.toBytesRaw());
  }
  /**
   * @param {PublicKey} other
   * @returns {boolean}
   */


  equals(other) {
    if (this._key instanceof _Ed25519PublicKey.default && other instanceof _Ed25519PublicKey.default) {
      return this._key.equals(other);
    } else if (this._key instanceof _EcdsaPublicKey.default && other instanceof _EcdsaPublicKey.default) {
      return this._key.equals(other);
    } else {
      return false;
    }
  }

}

exports.default = PublicKey;
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