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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/@bitgo/sdk-coin-hbar/node_modules/@hashgraph/sdk/lib

Просмотр файла: EthereumFlow.cjs

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _Hbar = _interopRequireDefault(require("./Hbar.cjs"));
var _EthereumTransaction = _interopRequireDefault(require("./EthereumTransaction.cjs"));
var _EthereumTransactionData = _interopRequireDefault(require("./EthereumTransactionData.cjs"));
var _FileCreateTransaction = _interopRequireDefault(require("./file/FileCreateTransaction.cjs"));
var _FileAppendTransaction = _interopRequireDefault(require("./file/FileAppendTransaction.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 }; }
/*-
 * ‌
 * Hedera JavaScript SDK
 * ​
 * Copyright (C) 2020 - 2022 Hedera Hashgraph, LLC
 * ​
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ‍
 */

/**
 * @namespace proto
 * @typedef {import("@hashgraph/proto").proto.ITransaction} HashgraphProto.proto.ITransaction
 * @typedef {import("@hashgraph/proto").proto.ISignedTransaction} HashgraphProto.proto.ISignedTransaction
 * @typedef {import("@hashgraph/proto").proto.TransactionBody} HashgraphProto.proto.TransactionBody
 * @typedef {import("@hashgraph/proto").proto.ITransactionBody} HashgraphProto.proto.ITransactionBody
 * @typedef {import("@hashgraph/proto").proto.ITransactionResponse} HashgraphProto.proto.ITransactionResponse
 * @typedef {import("@hashgraph/proto").proto.IEthereumTransactionBody} HashgraphProto.proto.IEthereumTransactionBody
 * @typedef {import("@hashgraph/proto").proto.IAccountID} HashgraphProto.proto.IAccountID
 */

/**
 * @typedef {import("bignumber.js").default} BigNumber
 * @typedef {import("./account/AccountId.js").default} AccountId
 * @typedef {import("./file/FileId.js").default} FileId
 * @typedef {import("./channel/Channel.js").default} Channel
 * @typedef {import("./channel/MirrorChannel.js").default} MirrorChannel
 * @typedef {import("./client/Client.js").default<*, *>} Client
 * @typedef {import("./Timestamp.js").default} Timestamp
 * @typedef {import("./transaction/TransactionId.js").default} TransactionId
 * @typedef {import("./transaction/TransactionResponse.js").default} TransactionResponse
 * @typedef {import("long").Long} Long
 */
/**
 * Create a new Hedera™ transaction wrapped ethereum transaction.
 */
class EthereumFlow {
  /**
   * @param {object} [props]
   * @param {Uint8Array} [props.ethereumData]
   * @param {FileId} [props.callData]
   * @param {number | string | Long | BigNumber | Hbar} [props.maxGasAllowance]
   */
  constructor(props = {}) {
    /**
     * @private
     * @type {?EthereumTransactionData}
     */
    this._ethereumData = null;

    /**
     * @private
     * @type {?FileId}
     */
    this._callDataFileId = null;

    /**
     * @private
     * @type {?Hbar}
     */
    this._maxGasAllowance = null;
    if (props.ethereumData != null) {
      this.setEthereumData(props.ethereumData);
    }
    if (props.maxGasAllowance != null) {
      this.setMaxGasAllowanceHbar(props.maxGasAllowance);
    }
    this._maxChunks = null;
  }

  /**
   * @returns {number | null}
   */
  get maxChunks() {
    return this._maxChunks;
  }

  /**
   * @param {number} maxChunks
   * @returns {this}
   */
  setMaxChunks(maxChunks) {
    this._maxChunks = maxChunks;
    return this;
  }

  /**
   * @returns {?EthereumTransactionData}
   */
  get ethereumData() {
    return this._ethereumData;
  }

  /**
   * The raw Ethereum transaction (RLP encoded type 0, 1, and 2). Complete
   * unless the callData field is set.
   *
   * @param {EthereumTransactionData | Uint8Array} ethereumData
   * @returns {this}
   */
  setEthereumData(ethereumData) {
    this._ethereumData = ethereumData instanceof Uint8Array ? _EthereumTransactionData.default.fromBytes(ethereumData) : ethereumData;
    return this;
  }

  /**
   * @returns {?Hbar}
   */
  get maxGasAllowance() {
    return this._maxGasAllowance;
  }

  /**
   * @deprecated - use masGasAllowanceHbar instead.
   * @param {number | string | Long | BigNumber | Hbar} maxGasAllowance
   * @returns {this}
   */
  setMaxGasAllowance(maxGasAllowance) {
    return this.setMaxGasAllowanceHbar(maxGasAllowance);
  }

  /**
   * The maximum amount, in tinybars, that the payer of the hedera transaction
   * is willing to pay to complete the transaction.
   *
   * Ordinarily the account with the ECDSA alias corresponding to the public
   * key that is extracted from the ethereum_data signature is responsible for
   * fees that result from the execution of the transaction. If that amount of
   * authorized fees is not sufficient then the payer of the transaction can be
   * charged, up to but not exceeding this amount. If the ethereum_data
   * transaction authorized an amount that was insufficient then the payer will
   * only be charged the amount needed to make up the difference. If the gas
   * price in the transaction was set to zero then the payer will be assessed
   * the entire fee.
   *
   * @param {number | string | Long | BigNumber | Hbar} maxGasAllowance
   * @returns {this}
   */
  setMaxGasAllowanceHbar(maxGasAllowance) {
    this._maxGasAllowance = maxGasAllowance instanceof _Hbar.default ? maxGasAllowance : new _Hbar.default(maxGasAllowance);
    return this;
  }

  /**
   * @template {Channel} ChannelT
   * @template {MirrorChannel} MirrorChannelT
   * @param {import("./client/Client.js").default<ChannelT, MirrorChannelT>} client
   * @returns {Promise<TransactionResponse>}
   */
  async execute(client) {
    if (this._ethereumData == null) {
      throw new Error("cannot submit ethereum transaction with no ethereum data");
    }
    const ethereumTransaction = new _EthereumTransaction.default();
    const ethereumTransactionDataBytes = this._ethereumData.toBytes();
    if (this._maxGasAllowance != null) {
      ethereumTransaction.setMaxGasAllowanceHbar(this._maxGasAllowance);
    }
    if (this._callDataFileId != null) {
      if (this._ethereumData.callData.length === 0) {
        throw new Error("call data file ID provided, but ethereum data already contains call data");
      }
      ethereumTransaction.setEthereumData(ethereumTransactionDataBytes).setCallDataFileId(this._callDataFileId);
    } else if (ethereumTransactionDataBytes.length <= 5120) {
      ethereumTransaction.setEthereumData(ethereumTransactionDataBytes);
    } else {
      const fileId = await createFile(this._ethereumData.callData, client, this._maxChunks);
      this._ethereumData.callData = new Uint8Array();
      ethereumTransaction.setEthereumData(this._ethereumData.toBytes()).setCallDataFileId(fileId);
    }
    return ethereumTransaction.execute(client);
  }
}

/**
 * @template {Channel} ChannelT
 * @template {MirrorChannel} MirrorChannelT
 * @param {Uint8Array} callData
 * @param {import("./client/Client.js").default<ChannelT, MirrorChannelT>} client
 * @param {?number} maxChunks
 * @returns {Promise<FileId>}
 */
exports.default = EthereumFlow;
async function createFile(callData, client, maxChunks) {
  const hexedCallData = hex.encode(callData);
  const fileId = /** @type {FileId} */
  (await (await new _FileCreateTransaction.default().setContents(hexedCallData.substring(0, 4096)).setKeys(client.operatorPublicKey ? [client.operatorPublicKey] : []).execute(client)).getReceipt(client)).fileId;
  if (callData.length > 4096) {
    let fileAppendTransaction = new _FileAppendTransaction.default().setFileId(fileId).setContents(hexedCallData.substring(4096, hexedCallData.length));
    if (maxChunks != null) {
      fileAppendTransaction.setMaxChunks(maxChunks);
    }
    await (await fileAppendTransaction.execute(client)).getReceipt(client);
  }
  return fileId;
}

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