@hashgraph/sdk/lib/contract/ContractNonceInfo.cjs

Hiero SDK

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _ContractId = _interopRequireDefault(require("./ContractId.cjs"));
var _long = _interopRequireDefault(require("long"));
var protos = _interopRequireWildcard(require("@hashgraph/proto"));
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
// SPDX-License-Identifier: Apache-2.0

const {
  proto
} = protos;

/**
 * @namespace proto
 * @typedef {import("@hashgraph/proto").proto.IContractNonceInfo} HieroProto.proto.IContractNonceInfo
 * @typedef {import("@hashgraph/proto").proto.IContractID} HieroProto.proto.IContractID
 * @typedef {object} ContractNonceInfoJSON
 * @property {string} contractId
 * @property {number} nonce
 */

/**
 * Info about a contract account's nonce value.
 * A nonce of a contract is only incremented when that contract creates another contract.
 */
class ContractNonceInfo {
  /**
   * @param {object} props
   * @param {ContractId} props.contractId
   * @param {Long} props.nonce
   */
  constructor(props) {
    /**
     * Id of the contract
     *
     * @readonly
     */
    this.contractId = props.contractId;

    /**
     * The current value of the contract account's nonce property
     *
     * @readonly
     */
    this.nonce = props.nonce;
    Object.freeze(this);
  }

  /**
   *  Extract the contractNonce from the protobuf.
   *
   * @internal
   * @param {HieroProto.proto.IContractNonceInfo} contractNonceInfo the protobuf
   * @returns {ContractNonceInfo} the contract object
   */
  static _fromProtobuf(contractNonceInfo) {
    return new ContractNonceInfo({
      contractId: _ContractId.default._fromProtobuf(/** @type {HieroProto.proto.IContractID} */
      contractNonceInfo.contractId),
      nonce: contractNonceInfo.nonce != null ? contractNonceInfo.nonce : _long.default.ZERO
    });
  }

  /**
   * Build the protobuf
   *
   * @internal
   * @returns {HieroProto.proto.IContractNonceInfo} the protobuf representation
   */
  _toProtobuf() {
    return {
      contractId: this.contractId._toProtobuf(),
      nonce: this.nonce
    };
  }

  /**
   * Extract the contractNonce from a byte array.
   *
   * @param {Uint8Array} bytes the byte array
   * @returns {ContractNonceInfo} the extracted contract nonce info
   */
  static fromBytes(bytes) {
    return ContractNonceInfo._fromProtobuf(proto.ContractNonceInfo.decode(bytes));
  }

  /**
   * Create a byte array representation.
   *
   * @returns {Uint8Array} the byte array representation
   */
  toBytes() {
    return proto.ContractNonceInfo.encode(this._toProtobuf()).finish();
  }

  /**
   * Create a JSON representation.
   *
   * @returns {ContractNonceInfoJSON} the JSON representation
   */
  toJSON() {
    return {
      contractId: this.contractId.toString(),
      nonce: this.nonce.toNumber()
    };
  }

  /**
   * @returns {string}
   */
  toString() {
    return JSON.stringify(this.toJSON());
  }

  /**
   * @param {this} other
   * @returns {boolean}
   */
  equals(other) {
    return this.contractId.equals(other.contractId) && this.nonce.eq(other.nonce);
  }
}
exports.default = ContractNonceInfo;