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Просмотр файла: EthereumTransaction.js
/*-
*
* 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.
*
*/
import Hbar from "./Hbar.js";
import FileId from "./file/FileId.js";
import Transaction, {
TRANSACTION_REGISTRY,
} from "./transaction/Transaction.js";
/**
* @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("./channel/Channel.js").default} Channel
* @typedef {import("./client/Client.js").default<*, *>} Client
* @typedef {import("./Timestamp.js").default} Timestamp
* @typedef {import("./transaction/TransactionId.js").default} TransactionId
* @typedef {import("long").Long} Long
*/
/**
* Create a new Hedera™ transaction wrapped ethereum transaction.
*/
export default class EthereumTransaction extends Transaction {
/**
* @param {object} [props]
* @param {Uint8Array} [props.ethereumData]
* @param {FileId} [props.callData]
* @param {FileId} [props.callDataFileId]
* @param {number | string | Long | BigNumber | Hbar} [props.maxGasAllowance]
*/
constructor(props = {}) {
super();
/**
* @private
* @type {?Uint8Array}
*/
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.callData != null) {
this.setCallDataFileId(props.callData);
}
if (props.callDataFileId != null) {
this.setCallDataFileId(props.callDataFileId);
}
if (props.maxGasAllowance != null) {
this.setMaxGasAllowanceHbar(props.maxGasAllowance);
}
}
/**
* @internal
* @param {HashgraphProto.proto.ITransaction[]} transactions
* @param {HashgraphProto.proto.ISignedTransaction[]} signedTransactions
* @param {TransactionId[]} transactionIds
* @param {AccountId[]} nodeIds
* @param {HashgraphProto.proto.ITransactionBody[]} bodies
* @returns {EthereumTransaction}
*/
static _fromProtobuf(
transactions,
signedTransactions,
transactionIds,
nodeIds,
bodies
) {
const body = bodies[0];
const transaction =
/** @type {HashgraphProto.proto.IEthereumTransactionBody} */ (
body.ethereumTransaction
);
return Transaction._fromProtobufTransactions(
new EthereumTransaction({
ethereumData:
transaction.ethereumData != null
? transaction.ethereumData
: undefined,
callData:
transaction.callData != null
? FileId._fromProtobuf(transaction.callData)
: undefined,
maxGasAllowance:
transaction.maxGasAllowance != null
? Hbar.fromTinybars(transaction.maxGasAllowance)
: undefined,
}),
transactions,
signedTransactions,
transactionIds,
nodeIds,
bodies
);
}
/**
* @returns {?(Uint8Array | FileId)}
*/
get ethereumData() {
return this._ethereumData;
}
/**
* The raw Ethereum transaction (RLP encoded type 0, 1, and 2). Complete
* unless the callData field is set.
*
* @param {Uint8Array} ethereumData
* @returns {this}
*/
setEthereumData(ethereumData) {
this._requireNotFrozen();
this._ethereumData = ethereumData;
return this;
}
/**
* @deprecated - Use `callDataFileId` instead
* @returns {?FileId}
*/
get callData() {
return this.callDataFileId;
}
/**
* @deprecated - Use `setCallDataFileId()` instead
*
* For large transactions (for example contract create) this is the callData
* of the callData. The data in the callData will be re-written with
* the callData element as a zero length string with the original contents in
* the referenced file at time of execution. The callData will need to be
* "rehydrated" with the callData for signature validation to pass.
* @param {FileId} callDataFileId
* @returns {this}
*/
setCallData(callDataFileId) {
return this.setCallDataFileId(callDataFileId);
}
/**
* @returns {?FileId}
*/
get callDataFileId() {
return this._callDataFileId;
}
/**
* For large transactions (for example contract create) this is the callData
* of the callData. The data in the callData will be re-written with
* the callData element as a zero length string with the original contents in
* the referenced file at time of execution. The callData will need to be
* "rehydrated" with the callData for signature validation to pass.
*
* @param {FileId} callDataFileId
* @returns {this}
*/
setCallDataFileId(callDataFileId) {
this._requireNotFrozen();
this._callDataFileId = callDataFileId;
return this;
}
/**
* @returns {?Hbar}
*/
get maxGasAllowance() {
return this._maxGasAllowance;
}
/**
* @deprecated -- use setMaxGasAllowanceHbar 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._requireNotFrozen();
this._maxGasAllowance =
maxGasAllowance instanceof Hbar
? maxGasAllowance
: new Hbar(maxGasAllowance);
return this;
}
/**
* @param {Client} client
*/
_validateChecksums(client) {
if (
this._ethereumData != null &&
this._ethereumData instanceof FileId
) {
this._ethereumData.validateChecksum(client);
}
}
/**
* @override
* @internal
* @param {Channel} channel
* @param {HashgraphProto.proto.ITransaction} request
* @returns {Promise<HashgraphProto.proto.ITransactionResponse>}
*/
_execute(channel, request) {
return channel.smartContract.callEthereum(request);
}
/**
* @override
* @protected
* @returns {NonNullable<HashgraphProto.proto.TransactionBody["data"]>}
*/
_getTransactionDataCase() {
return "ethereumTransaction";
}
/**
* @override
* @protected
* @returns {HashgraphProto.proto.IEthereumTransactionBody}
*/
_makeTransactionData() {
return {
ethereumData: this._ethereumData,
callData:
this._callDataFileId != null
? this._callDataFileId._toProtobuf()
: null,
maxGasAllowance:
this._maxGasAllowance != null
? this._maxGasAllowance.toTinybars()
: null,
};
}
/**
* @returns {string}
*/
_getLogId() {
const timestamp = /** @type {import("./Timestamp.js").default} */ (
this._transactionIds.current.validStart
);
return `EthereumTransaction:${timestamp.toString()}`;
}
}
TRANSACTION_REGISTRY.set(
"ethereumTransaction",
// eslint-disable-next-line @typescript-eslint/unbound-method
EthereumTransaction._fromProtobuf
);
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