public SwapTransaction(SwapTransaction swapTransaction)
{
this.BlockHeight = swapTransaction.BlockHeight;
this.StraxAddress = swapTransaction.StraxAddress;
this.SenderAmount = swapTransaction.SenderAmount;
this.TransactionHash = swapTransaction.TransactionHash;
}
private void ProcessBlockForSwapTransactions(BlockTransactionDetailsModel block, int blockHeight)
{
// Inspect each transaction
foreach (TransactionVerboseModel transaction in block.Transactions)
{
//Find all the OP_RETURN outputs.
foreach (Vout output in transaction.VOut.Where(o => o.ScriptPubKey.Type == "nulldata"))
{
IList <Op> ops = new NBitcoin.Script(output.ScriptPubKey.Asm).ToOps();
var potentialStraxAddress = Encoding.ASCII.GetString(ops.Last().PushData);
try
{
// Verify the sender address is a valid Strax address
var validStraxAddress = BitcoinAddress.Create(potentialStraxAddress, this.straxNetwork);
Console.WriteLine($"Swap found: {validStraxAddress}:{output.Value}");
var swapTransaction = new SwapTransaction()
{
BlockHeight = blockHeight,
StraxAddress = validStraxAddress.ToString(),
SenderAmount = Money.Coins(output.Value),
TransactionHash = transaction.Hash
};
this.swapTransactions.Add(swapTransaction);
}
catch (Exception)
{
}
}
}
}
private async Task BuildAndSendDistributionTransactionsAsync()
{
var distributedSwaps = new List <SwapTransaction>();
foreach (SwapTransaction swapTransaction in this.swapTransactions)
{
var distributedSwap = new SwapTransaction(swapTransaction);
try
{
IActionResult result = await $"http://localhost:{this.straxNetwork.DefaultAPIPort}/api"
.AppendPathSegment("wallet/build-transaction")
.PostJsonAsync(new BuildTransactionRequest
{
WalletName = walletName,
AccountName = "account 0",
FeeType = "medium",
Password = walletPassword,
Recipients = new List <RecipientModel> {
new RecipientModel {
DestinationAddress = swapTransaction.StraxAddress, Amount = Money.Satoshis(swapTransaction.SenderAmount).ToUnit(MoneyUnit.BTC).ToString()
}
}
})
.ReceiveJson <IActionResult>();
if (result is ErrorResult errorResult)
{
var response = errorResult.Value as ErrorResponse;
throw new Exception($"Failed to build swap transaction {swapTransaction.TransactionHash} : {response.Errors.First().Description}");
}
var buildResult = (result as JsonResult).Value as WalletBuildTransactionModel;
distributedSwap.TransactionBuilt = true;
IActionResult sendActionResult = await $"http://localhost:{this.straxNetwork.DefaultAPIPort}/api"
.AppendPathSegment("wallet/send-transaction")
.PostJsonAsync(new SendTransactionRequest
{
Hex = buildResult.Hex
})
.ReceiveJson <IActionResult>();
if (sendActionResult is ErrorResult sendErrorResult)
{
var response = sendErrorResult.Value as ErrorResponse;
throw new Exception($"Failed to send swap transaction {swapTransaction.TransactionHash} : {response.Errors.First().Description}");
}
var sendResult = (sendActionResult as JsonResult).Value as WalletSendTransactionModel;
distributedSwap.TransactionSent = true;
distributedSwap.TransactionSentHash = sendResult.TransactionId.ToString();
Console.WriteLine($"Swap trasnction built and sent to {swapTransaction.StraxAddress}:{swapTransaction.SenderAmount}");
await Task.Delay(TimeSpan.FromSeconds(5));
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
break;
}
finally
{
distributedSwaps.Add(distributedSwap);
}
}
using (var writer = new StreamWriter(Path.Combine("c:", "[StratisWork]", "distributedSwaps.csv")))
using (var csv = new CsvWriter(writer, CultureInfo.InvariantCulture))
{
foreach (SwapTransaction swapTransaction in distributedSwaps)
{
csv.WriteRecord(swapTransaction);
}
}
}