public override async Task <string> BroadcastTransactionAsync(
string signedTxData)
{
var serializedTransaction = signedTxData.HexToUTF8String();
var transaction = JsonConvert.DeserializeObject <DefaultRawTransaction>(serializedTransaction);
if (await _ethApiClient.GetTransactionAsync(transaction.Hash) != null)
{
return(transaction.Hash);
}
var transactionHasBeenBroadcasted = false;
for (var i = 0; i < 30; i++)
{
var pendingTransactionsCount = await _ethApiClient.GetTransactionCountAsync(transaction.From, true) -
await _ethApiClient.GetTransactionCountAsync(transaction.From, false);
if (pendingTransactionsCount < 4)
{
await _ethApiClient.SendRawTransactionAsync(transaction.Data);
transactionHasBeenBroadcasted = true;
}
else
{
await Task.Delay(1000);
}
}
if (transactionHasBeenBroadcasted)
{
for (var i = 0; i < 10; i++)
{
if (await _ethApiClient.GetTransactionAsync(transaction.Hash) != null)
{
return(transaction.Hash);
}
else
{
await Task.Delay(1000);
}
}
throw new Exception
(
$"Transaction [{transaction.Hash}] has been broadcasted, but did not appear in mempool in the specified period of time."
);
}
else
{
throw new Exception
(
$"Transaction [{transaction.Hash}] has not been broadcasted."
);
}
}
public async Task <BigInteger> GetNextNonceAsync(
string address)
{
return(await _ethApiClient.GetTransactionCountAsync(address, true));
}
public override async Task <string> BroadcastTransactionAsync(
string signedTxData)
{
var serializedTransaction = signedTxData.HexToUTF8String();
var transaction = Newtonsoft.Json.JsonConvert.DeserializeObject <DefaultRawTransaction>(serializedTransaction);
if (await _ethApiClient.GetTransactionAsync(transaction.Hash) != null)
{
return(transaction.Hash);
}
var transactionHasBeenBroadcasted = false;
for (var i = 0; i < 30; i++)
{
var pendingTransactionsCount = await _ethApiClient.GetTransactionCountAsync(transaction.From, true) -
await _ethApiClient.GetTransactionCountAsync(transaction.From, false);
if (pendingTransactionsCount < 4)
{
try
{
await _ethApiClient.SendRawTransactionAsync(transaction.Data);
}
catch (RpcErrorException e) when(e.ErrorCode == -32010 && e.Message == "pending transaction with same hash already exists")
{
if (await _ethApiClient.GetTransactionAsync(transaction.Hash) != null)
{
return(transaction.Hash);
}
throw;
}
transactionHasBeenBroadcasted = true;
break;
}
else
{
await Task.Delay(1000);
}
}
if (transactionHasBeenBroadcasted)
{
for (var i = 0; i < 10; i++)
{
if (await _ethApiClient.GetTransactionAsync(transaction.Hash) != null)
{
return(transaction.Hash);
}
else
{
await Task.Delay(1000);
}
}
throw new Exception
(
$"Transaction [{transaction.Hash}] has been broadcasted, but did not appear in mempool in the specified period of time."
);
}
else
{
throw new Exception
(
$"Transaction [{transaction.Hash}] has not been broadcasted."
);
}
}