void CheckTxs(ApplicationUser brokerUser, ApplicationUser user, BrokerOrder order)
{
// get wallet and only update from the blockchain one time
IWallet wallet = _walletProvider.GetChain(order.AssetSend);
var txs = wallet.GetAddrUnacknowledgedTransactions(order.PaymentAddress);
var ackTxs = new List <WalletTx>();
foreach (var tx in txs)
{
// get invoice id
string invoiceId = null;
if (tx.ChainTx.Attachment != null)
{
var att = System.Text.Encoding.UTF8.GetString(tx.ChainTx.Attachment.Data);
try
{
var dict = JsonConvert.DeserializeObject <Dictionary <string, string> >(att);
invoiceId = dict.FirstOrDefault(x => String.Equals(x.Key, "InvoiceId", StringComparison.OrdinalIgnoreCase)).Value;
}
catch {}
}
// check tx is incomming to our wallet
if (tx.Direction == WalletDirection.Incomming)
{
// check invoice id matches (if asset uses account model)
if (wallet.GetLedgerModel() == xchwallet.LedgerModel.Account && invoiceId == order.InvoiceId ||
wallet.GetLedgerModel() == xchwallet.LedgerModel.UTXO)
{
// check amount matches
var amount = wallet.AmountToString(tx.AmountOutputs());
if (order.AmountSend <= decimal.Parse(amount))
{
// bingo!
if (order.Status == BrokerOrderStatus.Ready.ToString())
{
order.Status = BrokerOrderStatus.Incomming.ToString();
order.TxIdPayment = tx.ChainTx.TxId;
_context.BrokerOrders.Update(order);
_logger.LogInformation($"Payment detected for order {order.Token}, {tx}");
// send email
_emailSender.SendEmailBrokerSeenIncomingFunds(user.Email, order.AssetSend, wallet.AmountToString(order.AmountSend), order.InvoiceId).GetAwaiter().GetResult();
_logger.LogInformation($"Sent email to {user.Email}");
}
else if (order.Status == BrokerOrderStatus.Incomming.ToString() &&
tx.ChainTx.Confirmations >= _walletProvider.ChainAssetSettings(order.AssetSend).MinConf)
{
order.Status = BrokerOrderStatus.Confirmed.ToString();
_context.BrokerOrders.Update(order);
ackTxs.Add(tx);
_logger.LogInformation($"Payment confirmed for order {order.Token}, {tx}");
DepositAndCreateTrade(brokerUser, order);
}
}
}
}
}
wallet.AcknowledgeTransactions(ackTxs);
wallet.Save();
}
