private async Task <List <CustomTransaction> > GetSmartContractTransactionByAddress(string accountAddress,
List <Transaction> transactions, BigInteger timestamp)
{
var result = new List <CustomTransaction>();
foreach (var t in transactions)
{
if (t.Input.StartsWith(Constants.Strings.TransactionType.Transfer))
{
using (var scope = _scopeFactory.CreateScope())
{
var dbContext = scope.ServiceProvider.GetRequiredService <WalletDbContext>();
var decodedInput = InputDecoder.DecodeTransferInput(t.Input);
if (t.To.Equals(accountAddress, StringComparison.CurrentCultureIgnoreCase))
{
var status =
await web3.Eth.Transactions.GetTransactionReceipt.SendRequestAsync(t.TransactionHash);
bool isSuccess = true;
if (status != null)
{
if (status.Status.Value == 0)
{
isSuccess = false;
}
}
var token = dbContext.Erc20Tokens.FirstOrDefault(tok =>
tok.Address.Equals(t.To, StringComparison.CurrentCultureIgnoreCase));
result.Add(new CustomTransaction()
{
TransactionHash = t.TransactionHash,
From = t.From,
To = decodedInput.To,
What = token?.Symbol ?? "Unknown",
IsSuccess = isSuccess,
ContractAddress = t.To,
DecimalValue = Web3.Convert.FromWei(decodedInput.Value, token?.DecimalPlaces ?? 18),
Date = new DateTime(1970, 1, 1, 0, 0, 0, 0).AddSeconds(
(long)(timestamp))
});
}
}
}
}
return(result);
}
public List <BlockChainTransaction> GetLatestTransactions(int startBlockNumber, int endBlockNumber)
{
var result = new List <BlockChainTransaction>();
var temp = new List <BlockChainTransaction>();
for (var i = startBlockNumber; i <= endBlockNumber; i++)
{
temp.Clear();
try
{
var block = web3.Eth.Blocks.GetBlockWithTransactionsByNumber.SendRequestAsync(
new HexBigInteger(i)).Result;
foreach (var transact in block.Transactions)
{
if (transact.Input.Equals(Constants.Strings.TransactionType.Usual,
StringComparison.CurrentCultureIgnoreCase))
{
var status =
web3.Eth.Transactions.GetTransactionReceipt.SendRequestAsync(transact.TransactionHash)
.Result;
bool isSuccess = true;
if (status != null)
{
if (status.Status.Value == 0)
{
isSuccess = false;
}
}
double value = 0;
try
{
value = (double)Web3.Convert.FromWei(transact.Value.Value, 18);
}
catch (Exception)
{
}
temp.Add(new BlockChainTransaction()
{
TransactionHash = transact.TransactionHash,
FromAddress = transact.From,
ToAddress = transact.To,
What = "ETH",
IsSuccess = isSuccess,
ContractAddress = String.Empty,
DecimalValue = value,
Date = new DateTime(1970, 1, 1, 0, 0, 0, 0).AddSeconds(
(long)(block.Timestamp.Value)),
BlockNumber = (int)block.Number.Value
});
}
else if (transact.Input.StartsWith(Constants.Strings.TransactionType.Transfer))
{
using (var scope = _scopeFactory.CreateScope())
{
var dbContext = scope.ServiceProvider.GetRequiredService <WalletDbContext>();
var status =
web3.Eth.Transactions.GetTransactionReceipt
.SendRequestAsync(transact.TransactionHash).Result;
bool isSuccess = true;
if (status != null)
{
if (status.Status.Value == 0)
{
isSuccess = false;
}
}
var decodedInput = InputDecoder.DecodeTransferInput(transact.Input);
var token = dbContext.Erc20Tokens.FirstOrDefault(tok =>
tok.Address.Equals(transact.To, StringComparison.CurrentCultureIgnoreCase));
double value = 0;
if (token != null)
{
try
{
value = (double)Web3.Convert.FromWei(decodedInput.Value,
token?.DecimalPlaces ?? 18);
}
catch (Exception)
{
}
}
temp.Add(new BlockChainTransaction()
{
TransactionHash = transact.TransactionHash,
FromAddress = transact.From,
ToAddress = decodedInput.To,
ContractAddress = transact.To,
What = token?.Symbol ?? "Unknown",
IsSuccess = isSuccess,
DecimalValue = value,
Date = new DateTime(1970, 1, 1, 0, 0, 0, 0).AddSeconds(
(long)(block.Timestamp.Value)),
BlockNumber = (int)block.Number.Value
});
}
}
}
result.AddRange(temp);
}
catch (RpcClientUnknownException e)
{
i--;
}
catch (RpcClientTimeoutException)
{
i--;
}
catch (Exception e)
{
}
}
return(result);
}
