internal ContractCallTransactionBody(Hashgraph.CallContractParams callParameters) : this()
{
if (callParameters is null)
{
throw new ArgumentNullException(nameof(callParameters), "The call parameters are missing. Please check that the argument is not null.");
}
ContractID = new ContractID(callParameters.Contract);
Gas = callParameters.Gas;
Amount = callParameters.PayableAmount;
FunctionParameters = ByteString.CopyFrom(Abi.EncodeFunctionWithArguments(callParameters.FunctionName, callParameters.FunctionArgs).Span);
}
/// <summary>
/// Internal implementation of the contract call method.
/// </summary>
private async Task <TResult> CallContractImplementationAsync <TResult>(CallContractParams callParmeters, Action <IContext>?configure) where TResult : new()
{
callParmeters = RequireInputParameter.CallContractParameters(callParmeters);
var context = CreateChildContext(configure);
var gateway = RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var transactionId = Transactions.GetOrCreateTransactionID(context);
var transactionBody = Transactions.CreateEmptyTransactionBody(context, transactionId, "Call Contract");
transactionBody.ContractCall = new ContractCallTransactionBody
{
ContractID = Protobuf.ToContractID(callParmeters.Contract),
Gas = callParmeters.Gas,
Amount = callParmeters.PayableAmount,
FunctionParameters = Abi.EncodeFunctionWithArguments(callParmeters.FunctionName, callParmeters.FunctionArgs).ToByteString()
};
var request = Transactions.SignTransaction(transactionBody, payer);
var precheck = await Transactions.ExecuteRequestWithRetryAsync(context, request, getRequestMethod, getResponseCode);
ValidateResult.PreCheck(transactionId, precheck.NodeTransactionPrecheckCode);
var receipt = await GetReceiptAsync(context, transactionId);
if (receipt.Status != ResponseCodeEnum.Success)
{
throw new TransactionException($"Contract call failed, status: {receipt.Status}", Protobuf.FromTransactionId(transactionId), (ResponseCode)receipt.Status);
}
var result = new TResult();
if (result is CallContractRecord rec)
{
var record = await GetTransactionRecordAsync(context, transactionId);
Protobuf.FillRecordProperties(record, rec);
rec.Contract = Protobuf.FromContractID(record.Receipt.ContractID);
rec.CallResult = Protobuf.FromContractCallResult(record.ContractCallResult);
}
else if (result is ContractReceipt rcpt)
{
Protobuf.FillReceiptProperties(transactionId, receipt, rcpt);
rcpt.Contract = Protobuf.FromContractID(receipt.ContractID);
}
return(result);
/// <summary>
/// Internal implementation of the contract call method.
/// </summary>
private async Task <TResult> CallContractImplementationAsync <TResult>(CallContractParams callParmeters, Action <IContext>?configure) where TResult : new()
{
callParmeters = RequireInputParameter.CallContractParameters(callParmeters);
await using var context = CreateChildContext(configure);
var gateway = RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var signatory = Transactions.GatherSignatories(context, callParmeters.Signatory);
var transactionId = Transactions.GetOrCreateTransactionID(context);
var transactionBody = new TransactionBody(context, transactionId);
transactionBody.ContractCall = new ContractCallTransactionBody
{
ContractID = new ContractID(callParmeters.Contract),
Gas = callParmeters.Gas,
Amount = callParmeters.PayableAmount,
FunctionParameters = Abi.EncodeFunctionWithArguments(callParmeters.FunctionName, callParmeters.FunctionArgs).ToByteString()
};
var receipt = await transactionBody.SignAndExecuteWithRetryAsync(signatory, context);
if (receipt.Status != ResponseCodeEnum.Success)
{
throw new TransactionException($"Contract call failed, status: {receipt.Status}", transactionId.ToTxId(), (ResponseCode)receipt.Status);
}
var result = new TResult();
if (result is CallContractRecord rec)
{
var record = await GetTransactionRecordAsync(context, transactionId);
record.FillProperties(rec);
}
else if (result is TransactionReceipt rcpt)
{
receipt.FillProperties(transactionId, rcpt);
}
return(result);
}
/// <summary>
/// Calls a smart contract returning if successful. The CallContractReceipt
/// will include the details of the results from the call, including the
/// output parameters returned by the function call.
/// </summary>
/// <param name="callParameters">
/// An object identifying the function to call, any input parameters and the
/// amount of gas that may be used to execute the request.
/// </param>
/// <param name="configure">
/// Optional callback method providing an opportunity to modify
/// the execution configuration for just this method call.
/// It is executed prior to submitting the request to the network.
/// </param>
/// <returns>
/// A contract transaction record indicating success, it also
/// any output parameters sent from the contract function.
/// </returns>
/// <exception cref="ArgumentOutOfRangeException">If required arguments are missing.</exception>
/// <exception cref="InvalidOperationException">If required context configuration is missing.</exception>
/// <exception cref="PrecheckException">If the gateway node create rejected the request upon submission.</exception>
/// <exception cref="ConsensusException">If the network was unable to come to consensus before the duration of the transaction expired.</exception>
/// <exception cref="TransactionException">If the network rejected the create request as invalid or had missing data.</exception>
public Task <CallContractRecord> CallContractWithRecordAsync(CallContractParams callParameters, Action <IContext>?configure = null)
{
return(CallContractImplementationAsync <CallContractRecord>(callParameters, configure));
}
/// <summary>
/// Calls a smart contract returning a receipt indicating success.
/// This can be used for contract calls that do not return data.
/// If the contract returns data, call the <see cref="CallContractWithRecordAsync"/>
/// call instead to retrieve the information returned from the function call.
/// </summary>
/// <param name="callParameters">
/// An object identifying the function to call, any input parameters and the
/// amount of gas that may be used to execute the request.
/// </param>
/// <param name="configure">
/// Optional callback method providing an opportunity to modify
/// the execution configuration for just this method call.
/// It is executed prior to submitting the request to the network.
/// </param>
/// <returns>
/// A contract transaction receipt indicating success, it does not
/// include any output parameters sent from the contract.
/// </returns>
/// <exception cref="ArgumentOutOfRangeException">If required arguments are missing.</exception>
/// <exception cref="InvalidOperationException">If required context configuration is missing.</exception>
/// <exception cref="PrecheckException">If the gateway node create rejected the request upon submission.</exception>
/// <exception cref="ConsensusException">If the network was unable to come to consensus before the duration of the transaction expired.</exception>
/// <exception cref="TransactionException">If the network rejected the create request as invalid or had missing data.</exception>
public Task <TransactionReceipt> CallContractAsync(CallContractParams callParameters, Action <IContext>?configure = null)
{
return(CallContractImplementationAsync <TransactionReceipt>(callParameters, configure));
}
/// <summary>
/// Calls a smart contract returning if successful. The CallContractReceipt
/// will include the details of the results from the call, including the
/// output parameters returned by the function call.
/// </summary>
/// <param name="callParameters">
/// An object identifying the function to call, any input parameters and the
/// amount of gas that may be used to execute the request.
/// </param>
/// <param name="configure">
/// Optional callback method providing an opportunity to modify
/// the execution configuration for just this method call.
/// It is executed prior to submitting the request to the network.
/// </param>
/// <returns>
/// A contract transaction record indicating success, it also
/// any output parameters sent from the contract function.
/// </returns>
/// <exception cref="ArgumentOutOfRangeException">If required arguments are missing.</exception>
/// <exception cref="InvalidOperationException">If required context configuration is missing.</exception>
/// <exception cref="PrecheckException">If the gateway node create rejected the request upon submission.</exception>
/// <exception cref="ConsensusException">If the network was unable to come to consensus before the duration of the transaction expired.</exception>
/// <exception cref="TransactionException">If the network rejected the create request as invalid or had missing data.</exception>
public async Task <CallContractRecord> CallContractWithRecordAsync(CallContractParams callParameters, Action <IContext>?configure = null)
{
return(new CallContractRecord(await ExecuteTransactionAsync(new ContractCallTransactionBody(callParameters), configure, true, callParameters.Signatory).ConfigureAwait(false)));
}
/// <summary>
/// Calls a smart contract returning a receipt indicating success.
/// This can be used for contract calls that do not return data.
/// If the contract returns data, call the <see cref="CallContractWithRecordAsync"/>
/// call instead to retrieve the information returned from the function call.
/// </summary>
/// <param name="callParameters">
/// An object identifying the function to call, any input parameters and the
/// amount of gas that may be used to execute the request.
/// </param>
/// <param name="configure">
/// Optional callback method providing an opportunity to modify
/// the execution configuration for just this method call.
/// It is executed prior to submitting the request to the network.
/// </param>
/// <returns>
/// A contract transaction receipt indicating success, it does not
/// include any output parameters sent from the contract.
/// </returns>
/// <exception cref="ArgumentOutOfRangeException">If required arguments are missing.</exception>
/// <exception cref="InvalidOperationException">If required context configuration is missing.</exception>
/// <exception cref="PrecheckException">If the gateway node create rejected the request upon submission.</exception>
/// <exception cref="ConsensusException">If the network was unable to come to consensus before the duration of the transaction expired.</exception>
/// <exception cref="TransactionException">If the network rejected the create request as invalid or had missing data.</exception>
public async Task <TransactionReceipt> CallContractAsync(CallContractParams callParameters, Action <IContext>?configure = null)
{
return(new TransactionReceipt(await ExecuteTransactionAsync(new ContractCallTransactionBody(callParameters), configure, false, callParameters.Signatory).ConfigureAwait(false)));
}
