public ResultWrapper <byte[]> eth_call(TransactionForRpc transactionCall, BlockParameter blockParameter = null)
{
BlockHeader block = _blockchainBridge.GetHeader(blockParameter ?? BlockParameter.Latest);
var tx = transactionCall.ToTransaction();
tx.GasPrice = 0;
if (tx.GasLimit < 21000)
{
tx.GasLimit = 10000000;
}
if (tx.To == null)
{
return(ResultWrapper <byte[]> .Fail($"Recipient address not specified on the transaction.", ErrorType.InvalidParams));
}
BlockchainBridge.CallOutput result = _blockchainBridge.Call(block, tx);
if (result.Error != null)
{
return(ResultWrapper <byte[]> .Fail($"VM Exception while processing transaction: {result.Error}", ErrorType.ExecutionError, result.OutputData));
}
return(ResultWrapper <byte[]> .Success(result.OutputData));
}
public static BlockHeader GetHeader(this IBlockchainBridge blockchainBridge, BlockParameter blockParameter, bool allowNulls = false)
{
BlockHeader header;
switch (blockParameter.Type)
{
case BlockParameterType.BlockNumber:
{
if (blockParameter.BlockNumber == null)
{
throw new JsonRpcException(ErrorType.InvalidParams, $"Block number is required for {BlockParameterType.BlockNumber}");
}
header = blockchainBridge.GetHeader(blockParameter.ToFilterBlock());
break;
}
case BlockParameterType.Pending:
case BlockParameterType.Latest:
case BlockParameterType.Earliest:
{
header = blockchainBridge.GetHeader(blockParameter.ToFilterBlock());
break;
}
default:
throw new ArgumentException($"{nameof(BlockParameterType)} not supported: {blockParameter.Type}");
}
if (header == null && !allowNulls)
{
throw new JsonRpcException(ErrorType.NotFound, $"Cannot find block {blockParameter}");
}
return(header);
}
public ResultWrapper <string> eth_call(TransactionForRpc transactionCall, BlockParameter blockParameter = null)
{
BlockHeader block = _blockchainBridge.GetHeader(blockParameter ?? BlockParameter.Latest);
var tx = transactionCall.ToTransaction();
tx.GasPrice = 0;
if (tx.GasLimit < 21000)
{
tx.GasLimit = 10000000;
}
BlockchainBridge.CallOutput result = _blockchainBridge.Call(block, tx);
if (result.Error != null)
{
return(ResultWrapper <string> .Fail("VM execution error.", ErrorType.ExecutionError, result.Error));
}
return(ResultWrapper <string> .Success(result.OutputData.ToHexString(true)));
}
