public async Task DebugTest_TraceTransactionForContractCreation()
{
string trHash = "0x3685d6a6c2c6b27c846fc54b48886e14b3cfde6101973466359474fc27982395";//"0x9351a796b8a85d451fbae62ba26b07173134416d782026c08169dd0743cdc0e2";
var transaction = await _web3.Eth.Transactions.GetTransactionByHash.SendRequestAsync(trHash);
var transactionReciept = await _web3.Eth.Transactions.GetTransactionReceipt.SendRequestAsync(trHash);
var result = await _debug.TraceTransactionAsync(transaction.From, transaction.To, transactionReciept.ContractAddress,
transaction.Value.Value, trHash, false, true, false);
}
/// <param name="blockHeight">block number to read from blockchain</param>
/// <exception cref="BlockIsNotYetMinedException"
/// <returns>BlockContent</returns>
public async Task <BlockContent> ReadBlockAsync(BigInteger blockHeight)
{
var block = await _client.Eth.Blocks
.GetBlockWithTransactionsByNumber
.SendRequestAsync(new HexBigInteger(blockHeight));
var logs = new EthGetLogs(_client.Client);
#region Block
if (block == null)
{
throw new BlockIsNotYetMinedException(blockHeight);
}
var blockHash = block.BlockHash;
var blockModel = new BlockModel
{
TransactionsCount = block.Transactions.Length,
BlockHash = blockHash,
Difficulty = block.Difficulty,
ExtraData = block.ExtraData,
GasLimit = block.GasLimit,
GasUsed = block.GasUsed,
LogsBloom = block.LogsBloom,
Miner = block.Miner,
Nonce = block.Nonce,
Number = block.Number,
ParentHash = block.ParentHash,
ReceiptsRoot = block.ReceiptsRoot,
Sha3Uncles = block.Sha3Uncles,
Size = block.Size,
StateRoot = block.StateRoot,
Timestamp = block.Timestamp,
TotalDifficulty = block.TotalDifficulty,
TransactionsRoot = block.TransactionsRoot
};
#endregion
#region Transactions
var internalMessages = new List <InternalMessageModel>();
var blockTransactions = new Dictionary <string, TransactionModel>(block.Transactions.Length);
foreach (var transaction in block.Transactions)
{
var transactionReciept =
await _client.Eth.Transactions.GetTransactionReceipt.SendRequestAsync(transaction.TransactionHash);
TraceResultModel traceResult = null;
try
{
traceResult = await _debug.TraceTransactionAsync
(
transaction.From,
transaction.To,
transactionReciept.ContractAddress,
transaction.Value.Value,
transaction.TransactionHash,
false,
true,
false
);
if (traceResult != null && !traceResult.HasError && traceResult.Transfers != null)
{
internalMessages.AddRange
(
traceResult.Transfers.Select(x => new InternalMessageModel
{
BlockNumber = block.Number.Value,
Depth = x.Depth,
FromAddress = x.FromAddress,
MessageIndex = x.MessageIndex,
ToAddress = x.ToAddress,
TransactionHash = x.TransactionHash,
Value = x.Value,
Type = (InternalMessageModelType)x.Type,
BlockTimestamp = blockModel.Timestamp
})
);
}
}
catch (Exception)
{
}
var transactionModel = new TransactionModel
{
BlockTimestamp = block.Timestamp,
BlockHash = transaction.BlockHash,
BlockNumber = transaction.BlockNumber,
From = transaction.From,
Gas = transaction.Gas,
GasPrice = transaction.GasPrice,
Input = transaction.Input,
Nonce = transaction.Nonce,
To = transaction.To,
TransactionHash = transaction.TransactionHash,
TransactionIndex = transaction.TransactionIndex,
Value = transaction.Value,
GasUsed = transactionReciept.GasUsed.Value,
ContractAddress = transactionReciept.ContractAddress,
HasError = traceResult?.HasError ?? false
};
blockTransactions[transaction.TransactionHash] = transactionModel;
}
var addressHistory = ExtractAddressHistory(internalMessages, blockTransactions.Values);
#endregion
#region Contracts
var deployedContracts = new List <DeployedContractModel>();
foreach (var transaction in blockTransactions.Select(x => x.Value).Where(x => x.ContractAddress != null))
{
deployedContracts.Add(new DeployedContractModel
{
Address = transaction.ContractAddress,
BlockHash = blockHash,
BlockNumber = block.Number.Value.ToString(),
BlockTimestamp = block.Timestamp.Value.ToString(),
DeployerAddress = transaction.From,
TransactionHash = transaction.TransactionHash
});
}
foreach (var message in internalMessages.Where(x => x.Type == InternalMessageModelType.CREATION))
{
deployedContracts.Add(new DeployedContractModel
{
Address = message.ToAddress,
BlockHash = blockHash,
BlockNumber = block.Number.Value.ToString(),
BlockTimestamp = block.Timestamp.Value.ToString(),
DeployerAddress = message.FromAddress,
TransactionHash = message.TransactionHash
});
}
// Select contracts with distinct addresses
deployedContracts = deployedContracts.GroupBy(x => x.Address).Select(x => x.First()).ToList();
#endregion
#region Transfers
var blockNumber = (ulong)blockHeight;
var filter = new NewFilterInput
{
FromBlock = new BlockParameter(blockNumber),
ToBlock = new BlockParameter(blockNumber),
Topics = new object[]
{
"0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"
}
};
var transferLogs = await logs.SendRequestAsync(filter);
var transfers = transferLogs
.Where(x => x.Topics.Length == 3)
.Select(x =>
{
string trHash = x.TransactionHash;
TransactionModel transaction = null;
blockTransactions.TryGetValue(trHash, out transaction);
return(new Erc20TransferHistoryModel
{
BlockHash = x.BlockHash,
BlockNumber = (ulong)x.BlockNumber.Value,
BlockTimestamp = (ulong)block.Timestamp.Value,
ContractAddress = x.Address,
From = x.GetAddressFromTopic(1),
LogIndex = (uint)x.LogIndex.Value,
To = x.GetAddressFromTopic(2),
TransactionHash = trHash,
TransactionIndex = (uint)x.TransactionIndex.Value,
TransferAmount = x.Data.HexToBigInteger(false),
GasUsed = transaction?.GasUsed ?? 0,
GasPrice = transaction?.GasPrice ?? 0
});
})
.ToList();
#endregion
return(new BlockContent
{
AddressHistory = addressHistory,
BlockModel = blockModel,
DeployedContracts = deployedContracts,
InternalMessages = internalMessages,
Transactions = blockTransactions?.Select(x => x.Value).ToList(),
Transfers = transfers
});
}