protected override async Task OnUpdate()
{
_dbContext.DetachEverything();
var rows = await
(from r in _dbContext.EthSending where r.Status == EthereumOperationStatus.Initial select r)
.Include(_ => _.User)
.Include(_ => _.RelFinHistory)
.AsTracking()
.Take(_rowsPerRound)
.ToArrayAsync(CancellationToken)
;
if (IsCancelled() || rows.Length == 0)
{
return;
}
var ethAmount = await _ethReader.GetEtherBalance(await _ethWriter.GetEthSender());
foreach (var r in rows)
{
if (IsCancelled() || ethAmount < r.Amount.ToEther())
{
return;
}
try {
r.Status = EthereumOperationStatus.BlockchainInit;
_dbContext.SaveChanges();
var tx = await _ethWriter.SendEth(r.Address, r.Amount.ToEther());
r.Status = EthereumOperationStatus.BlockchainConfirm;
r.Transaction = tx;
r.TimeNextCheck = DateTime.UtcNow.AddSeconds(60);
ethAmount -= r.Amount.ToEther();
try {
// notification
await EmailComposer.FromTemplate(await _templateProvider.GetEmailTemplate(EmailTemplate.ExchangeEthTransferred, Locale.En))
.ReplaceBodyTag("REQUEST_ID", r.Id.ToString())
.ReplaceBodyTag("ETHERSCAN_LINK", _appConfig.Services.Ethereum.EtherscanTxView + tx)
.ReplaceBodyTag("DETAILS_SOURCE", r.RelFinHistory?.SourceAmount ?? "?" + " GOLD")
.ReplaceBodyTag("DETAILS_ESTIMATED", r.RelFinHistory?.DestinationAmount ?? "?" + " ETH")
.ReplaceBodyTag("DETAILS_ADDRESS", TextFormatter.MaskBlockchainAddress(r.Address))
.Send(r.User.Email, r.User.UserName, _notificationQueue)
;
} catch { }
} catch (Exception e) {
Logger.Error(e, $"Failed to process #{r.Id}");
}
}
}
protected override async Task OnUpdate()
{
_dbContext.DetachEverything();
var rows = await
(from r in _dbContext.SellGoldEth where r.Status == BuySellGoldRequestStatus.Confirmed select r)
.Include(_ => _.RelFinHistory)
.AsTracking()
.Take(_rowsPerRound)
.ToArrayAsync(CancellationToken)
;
if (IsCancelled() || rows.Length == 0)
{
return;
}
var ethAmount = await _ethereumReader.GetEtherBalance(await _ethereumWriter.GetEthSender());
foreach (var r in rows)
{
if (IsCancelled() || ethAmount < r.EthAmount.ToEther())
{
return;
}
try {
using (var tx = await _dbContext.Database.BeginTransactionAsync()) {
r.Status = BuySellGoldRequestStatus.Success;
r.TimeCompleted = DateTime.UtcNow;
_dbContext.SaveChanges();
var sending = new DAL.Models.EthSending()
{
Status = EthereumOperationStatus.Initial,
Amount = r.EthAmount,
Address = r.Destination,
TimeCreated = DateTime.UtcNow,
TimeNextCheck = DateTime.UtcNow,
RelFinHistoryId = r.RelFinHistory?.Id,
UserId = r.UserId,
};
_dbContext.EthSending.Add(sending);
_dbContext.SaveChanges();
tx.Commit();
}
ethAmount -= r.EthAmount.ToEther();
} catch (Exception e) {
Logger.Error(e, $"Failed to process #{r.Id}");
try {
r.Status = BuySellGoldRequestStatus.Failed;
r.TimeCompleted = DateTime.UtcNow;
if (r.RelFinHistory != null)
{
r.RelFinHistory.Status = UserFinHistoryStatus.Failed;
}
_dbContext.SaveChanges();
await CoreLogic.Finance.SumusWallet.Refill(_services, r.UserId, r.GoldAmount, SumusToken.Gold);
} catch (Exception e1) {
Logger.Error(e1, $"Failed to update request status #{r.Id}");
}
}
}
}