private JObject CallSmartContract(IEnumerable <string> parameters, string id, JObject response)
{
if (parameters == null || !parameters.Any())
{
return(CreateErrorResponse(id, (int)RpcErrorCodes.RPC_INVALID_PARAMS, "The to is not specified"));
}
IEnumerable <byte> callToPayload = null;
IEnumerable <byte> callFromPayload = null;
IEnumerable <byte> callDataPayload = null;
double callGas = 0,
callGasPrice = 0,
callScValue = 0;
try
{
callToPayload = parameters.First().FromHexString(); // TO
}
catch (Exception)
{
return(CreateErrorResponse(id, (int)RpcErrorCodes.RPC_INVALID_PARAMS, "The to cannot be decoded"));
}
if (parameters.Count() > 2)
{
try
{
callFromPayload = parameters.ElementAt(1).FromHexString(); // FROM
}
catch (Exception)
{
return(CreateErrorResponse(id, (int)RpcErrorCodes.RPC_INVALID_PARAMS, "The from cannot be decoded"));
}
}
if (parameters.Count() >= 3)
{
try
{
callDataPayload = parameters.ElementAt(2).FromHexString(); // DATA
}
catch (Exception)
{
return(CreateErrorResponse(id, (int)RpcErrorCodes.RPC_INVALID_PARAMS, "The data cannot be decoded"));
}
}
if (parameters.Count() >= 4)
{
try
{
callGas = double.Parse(parameters.ElementAt(3)); // GAS
}
catch (Exception) { }
}
if (parameters.Count() >= 5)
{
try
{
callGasPrice = double.Parse(parameters.ElementAt(4)); // GASPRICE
}
catch (Exception) { }
}
if (parameters.Count() >= 6)
{
try
{
callScValue = double.Parse(parameters.ElementAt(5)); // VALUE
}
catch (Exception) { }
}
var callSmartContractTx = new SmartContractTransaction
{
Data = callDataPayload,
From = callFromPayload,
To = callToPayload,
Gas = callGas,
GasPrice = callGasPrice,
Value = callScValue
};
try
{
_transactionValidator.Check(callSmartContractTx);
var executor = _solidityExecutor.Execute(callToPayload, callFromPayload, callDataPayload, true).Rollback();
var result = executor.GetProgram().GetResult().GetHReturn().ToHexString();
response["result"] = result;
return(response);
}
catch (ValidationException ex)
{
return(CreateErrorResponse(id, (int)RpcErrorCodes.RPC_VERIFY_ERROR, ex.Message));
}
catch (Exception)
{
return(CreateErrorResponse(id, (int)RpcErrorCodes.RPC_VERIFY_ERROR, ErrorCodes.ErrorExecutionContract));
}
}
