private async Task <int> QueryAndProcessPayments(string address, PaymentContext context)
{
int count = 0;
var payments = await _horizonService.GetPayments(address, StellarSdkConstants.OrderAsc, context.Cursor);
if (payments == null)
{
await _log.WriteWarningAsync(nameof(TransactionHistoryService), nameof(QueryAndProcessPayments),
$"Address not found: {address}");
context.Cursor = null;
return(count);
}
context.Cursor = null;
foreach (var payment in payments.Embedded.Records)
{
try
{
context.Cursor = payment.PagingToken;
count++;
// create_account, payment or account_merge
if (payment.TypeI == (int)OperationType.OperationTypeEnum.CREATE_ACCOUNT ||
payment.TypeI == (int)OperationType.OperationTypeEnum.PAYMENT && Core.Domain.Asset.Stellar.TypeName.Equals(payment.AssetType, StringComparison.OrdinalIgnoreCase) ||
payment.TypeI == (int)OperationType.OperationTypeEnum.ACCOUNT_MERGE)
{
if (context.Transaction == null || !context.Transaction.Hash.Equals(payment.TransactionHash, StringComparison.OrdinalIgnoreCase))
{
var tx = await _horizonService.GetTransactionDetails(payment.TransactionHash);
context.Transaction = tx ?? throw new BusinessException($"Transaction not found. hash={payment.TransactionHash}");
context.AccountMerge = 0;
}
var history = new TxHistory
{
AssetId = Core.Domain.Asset.Stellar.Id,
Hash = payment.TransactionHash,
PaymentId = payment.Id,
CreatedAt = payment.CreatedAt,
Memo = GetMemo(context.Transaction)
};
// create_account
if (payment.TypeI == (int)OperationType.OperationTypeEnum.CREATE_ACCOUNT)
{
history.FromAddress = payment.Funder;
history.ToAddress = payment.Account;
history.PaymentType = PaymentType.CreateAccount;
decimal amount = Decimal.Parse(payment.StartingBalance);
history.Amount = Convert.ToInt64(amount * One.Value);
}
// payment
else if (payment.TypeI == (int)OperationType.OperationTypeEnum.PAYMENT)
{
history.FromAddress = payment.From;
history.ToAddress = payment.To;
history.PaymentType = PaymentType.Payment;
decimal amount = Decimal.Parse(payment.Amount);
history.Amount = Convert.ToInt64(amount * One.Value);
}
// account_merge
else if (payment.TypeI == (int)OperationType.OperationTypeEnum.ACCOUNT_MERGE)
{
history.FromAddress = payment.Account;
history.ToAddress = payment.Into;
history.PaymentType = PaymentType.AccountMerge;
var resultXdrBase64 = context.Transaction.ResultXdr;
history.Amount = _horizonService.GetAccountMergeAmount(resultXdrBase64, context.AccountMerge);
context.AccountMerge++;
}
else
{
throw new BusinessException($"Invalid payment type. type=${payment.TypeI}");
}
history.OperationId = await _txBroadcastRepository.GetOperationId(payment.TransactionHash);
if (address.Equals(history.ToAddress, StringComparison.OrdinalIgnoreCase))
{
await _txHistoryRepository.InsertOrReplaceAsync(context.TableId, TxDirectionType.Incoming, history);
context.Sequence++;
}
if (address.Equals(history.FromAddress, StringComparison.OrdinalIgnoreCase))
{
await _txHistoryRepository.InsertOrReplaceAsync(context.TableId, TxDirectionType.Outgoing, history);
context.Sequence++;
}
}
}
catch (Exception ex)
{
throw new BusinessException($"Failed to process payment of transaction. payment={payment?.Id}, hash={context?.Transaction?.Hash}", ex);
}
}
return(count);
}
