public Task StartAsync(CancellationToken cancellationToken)
{
_cleanup = _cache
.AsObservableCache()
.Connect()
.FilterAndSuppressRemoved(trade => trade.Status == TradeStatus.Filled)
.Subscribe(changes =>
{
foreach (var change in changes)
{
Scheduler.Default.Schedule(async() =>
{
try
{
var trade = await _repository.GetById <Trade>(change.Current.EntityId);
if (TradeServiceReferential.Rand.Next(1, 10) == 1)
{
var tradeRejectedEvent = new ComplianceRejectTrade()
{
ComplianceService = _configuration.Id
};
await _repository.Apply(trade, tradeRejectedEvent);
}
else
{
var counterparty = TradeServiceReferential.Counterparties.Random();
var price = TradeServiceReferential.Assets.FirstOrDefault(asset => asset.Name == trade.Asset).Price;
await Task.Delay(1000);
var bookTradeEvent = new BookTrade()
{
ComplianceService = _configuration.Id
};
await _repository.Apply(trade, bookTradeEvent);
}
}
catch (Exception ex)
{
this.LogInformation($"Exception while handling trade {change}", ex);
}
});
}
});
return(Task.CompletedTask);
}
public async Task <TradeCreationResult> CreateTrade(TradeCreationRequest request)
{
var trade = new Trade();
var tradeCreationEvent = new CreateTrade()
{
Asset = request.Asset,
Currency = request.Currency,
Volume = request.Volume,
Way = request.Way,
TradeService = _configuration.Id,
Trader = request.Trader
};
await _repository.Apply(trade, tradeCreationEvent);
return(new TradeCreationResult()
{
TradeId = trade.EntityId
});
}
public Task StartAsync(CancellationToken cancellationToken)
{
_cleanup = _cache
.AsObservableCache()
.Connect()
.FilterAndSuppressRemoved(trade => trade.Status == TradeStatus.Created)
.Subscribe(changes =>
{
foreach (var change in changes)
{
Scheduler.Default.Schedule(async() =>
{
try
{
var trade = await _repository.GetById <Trade>(change.Current.EntityId);
if (TradeServiceReferential.Rand.Next(1, 10) == 1)
{
var tradeRejectedEvent = new MarketRejectTrade()
{
MarketService = _configuration.Id,
};
await _repository.Apply(trade, tradeRejectedEvent);
}
else
{
var counterparty = TradeServiceReferential.Counterparties.Random();
var price = await _priceService.GetPrice(change.Current.Asset);
if (counterparty == TradeServiceReferential.HighLatencyCounterparty)
{
await Task.Delay(5000);
}
else
{
await Task.Delay(1000);
}
var fillTradeEvent = new FillTrade()
{
Counterparty = counterparty,
Price = price.Value,
Date = DateTime.Now,
MarketService = _configuration.Id,
Marketplace = TradeServiceReferential.Markets.Random().Name,
};
await _repository.Apply(trade, fillTradeEvent);
}
}
catch (Exception ex)
{
this.LogInformation($"Exception while handling trade {change}", ex);
}
});
}
});
return(Task.CompletedTask);
}