public ISmartContractExecutionResult Execute(ISmartContractTransactionContext transactionContext)
{
this.logger.LogTrace("()");
var callDataDeserializationResult = this.serializer.Deserialize(transactionContext.ScriptPubKey.ToBytes());
// TODO Handle deserialization failure
var callData = callDataDeserializationResult.Value;
var gasMeter = new GasMeter(callData.GasLimit);
var context = new TransactionContext(
transactionContext.TransactionHash,
transactionContext.BlockHeight,
transactionContext.CoinbaseAddress,
transactionContext.Sender,
transactionContext.TxOutValue);
var creation = IsCreateContract(callData);
var result = creation
? this.vm.Create(gasMeter, this.stateSnapshot, callData, context)
: this.vm.ExecuteMethod(gasMeter, this.stateSnapshot, callData, context);
var revert = result.ExecutionException != null;
var internalTransaction = this.transferProcessor.Process(
this.stateSnapshot,
creation ? result.NewContractAddress : callData.ContractAddress,
transactionContext,
result.InternalTransfers,
revert);
(var fee, var refundTxOuts) = this.refundProcessor.Process(
callData,
transactionContext.MempoolFee,
transactionContext.Sender,
result.GasConsumed,
result.ExecutionException);
var executionResult = new SmartContractExecutionResult
{
NewContractAddress = !revert && creation ? result.NewContractAddress : null,
Exception = result.ExecutionException,
GasConsumed = result.GasConsumed,
Return = result.Result,
InternalTransaction = internalTransaction,
Fee = fee,
Refunds = refundTxOuts
};
if (revert)
{
this.logger.LogTrace("(-)[CONTRACT_EXECUTION_FAILED]");
this.stateSnapshot.Rollback();
}
else
{
this.logger.LogTrace("(-)[CONTRACT_EXECUTION_SUCCEEDED]");
this.stateSnapshot.Commit();
}
return(executionResult);
}
public ISmartContractExecutionResult Execute(ISmartContractTransactionContext transactionContext)
{
this.logger.LogTrace("()");
// Deserialization can't fail because this has already been through SmartContractFormatRule.
Result <ContractTxData> callDataDeserializationResult = this.serializer.Deserialize(transactionContext.Data);
ContractTxData callData = callDataDeserializationResult.Value;
var gasMeter = new GasMeter(callData.GasLimit);
gasMeter.Spend((Gas)GasPriceList.BaseCost);
var context = new TransactionContext(
transactionContext.TransactionHash,
transactionContext.BlockHeight,
transactionContext.CoinbaseAddress,
transactionContext.Sender,
transactionContext.TxOutValue);
var creation = IsCreateContract(callData);
VmExecutionResult result = creation
? this.vm.Create(gasMeter, this.stateSnapshot, callData, context)
: this.vm.ExecuteMethod(gasMeter, this.stateSnapshot, callData, context);
var revert = result.ExecutionException != null;
Transaction internalTransaction = this.transferProcessor.Process(
this.stateSnapshot,
creation ? result.NewContractAddress : callData.ContractAddress,
transactionContext,
result.InternalTransfers,
revert);
(Money fee, List <TxOut> refundTxOuts) = this.refundProcessor.Process(
callData,
transactionContext.MempoolFee,
transactionContext.Sender,
result.GasConsumed,
result.ExecutionException);
var executionResult = new SmartContractExecutionResult
{
NewContractAddress = !revert && creation ? result.NewContractAddress : null,
To = !IsCreateContract(callData) ? callData.ContractAddress : null,
Exception = result.ExecutionException,
GasConsumed = result.GasConsumed,
Return = result.Result,
InternalTransaction = internalTransaction,
Fee = fee,
Refunds = refundTxOuts,
Logs = result.RawLogs.ToLogs(this.contractPrimitiveSerializer)
};
if (revert)
{
this.logger.LogTrace("(-)[CONTRACT_EXECUTION_FAILED]");
this.stateSnapshot.Rollback();
}
else
{
this.logger.LogTrace("(-)[CONTRACT_EXECUTION_SUCCEEDED]");
this.stateSnapshot.Commit();
}
return(executionResult);
}