private void HandleEvent(object sender, ProfitableUserTradedEventArgs e)
{
if (e.Report.CurrencySymbol != _config.TargetCurrencySymbol)
{
_logger.Information("Report was not targeting our currency symbol.");
return;
}
var eventOwnerUser = _repo.GetUserById(e.UserId);
if (eventOwnerUser.CurrentWallet.Symbol == CurrentWallet.Symbol)
{
_logger.Information($"Skipping report due to trader and our wallets currency equality.");
}
if (AttachedUser == null || AttachedUser.Identifier == e.UserId)
{
if (!_attempCalculator.IsSucceededAttemp())
{
_logger.Information("Skipping trade due to low attemps count.");
return;
}
if (AttachedUser == null)
{
_logger.Information($"Attaching to user with Id: {e.UserId}");
AttachedUsersHistory.Add(e.UserId);
AttachedUserProfit = e.Report;
AttachedUser = eventOwnerUser;
}
_logger.Information("Attached user traded. Repeating actions.");
var trade = _repo.GetTradeById(e.TradeId);
_lastTradeDate = trade.TradeTime;
if (AttachedUser.CurrentWallet.Symbol == CurrentWallet.Symbol)
{
_logger.Information("Currently the trader holds the currency that we already have.");
return;
}
_logger.Warning($"Wallet balance was {CurrentWallet.Amount}{CurrentWallet.Symbol}");
_logger.Warning($"Selling {CurrentWallet.Amount}{CurrentWallet.Symbol} and buying {AttachedUser.CurrentWallet.Symbol}");
var newWallet = CalculateWalletBalanceAfterTrade(CurrentWallet, trade.Price);
Wallets.Add(newWallet);
_logger.Warning($"After selling balance is {CurrentWallet.Amount}{CurrentWallet.Symbol}");
}
else
{
var maxTimeToWaitForAttachedUser = TimeSpan.FromTicks(AttachedUserProfit.AverageTradeThreshold.Ticks * 2);
if (DateTime.UtcNow - _lastTradeDate > maxTimeToWaitForAttachedUser ||
e.Report.AverageProfitPerHour > AttachedUserProfit.AverageProfitPerHour)
{
DetachAttachedUser();
HandleEvent(this, e);
}
}
}
private void EventHandlerPredicate(object sender, ProfitableUserTradedEventArgs args)
{
lock (_lockObject)
{
try
{
HandleEvent(sender, args);
}
catch (Exception e)
{
_logger.Error(e, $"An exception was thrown while handling the ProfitableUserTraded event. Trade Id and user Id were: {args?.TradeId} {args?.UserId}");
throw;
}
}
}
private void OnUserTraded(object sender, UserTradedEventArgs e)
{
_logger.Verbose($"The user with Id {e.UserId} seems to be trading.");
var userProfit = _ups.GetUserProfit(e.UserId);
if (IsProfitableUser(userProfit))
{
_logger.Information($"The user with Id {e.UserId} seems to be profitable.");
var eventArgs = new ProfitableUserTradedEventArgs()
{
UserId = e.UserId,
TradeId = e.TradeId,
Report = userProfit,
};
ProfitableUserTraded?.Invoke(this, eventArgs);
}
}
private void HandleEvent(object sender, ProfitableUserTradedEventArgs e)
{
if (_isTradingLocked)
{
UpdateLockedState();
if (_isTradingLocked)
{
_logger.Information($"Trading is locked. Skipping profitable user with Id: {e.UserId}");
return;
}
else
{
UpdateCurrentWallet();
}
}
if (e.Report.CurrencySymbol != _config.TargetCurrencySymbol)
{
_logger.Information("Report was not targeting our currency symbol.");
return;
}
var traderUser = _repo.GetUserById(e.UserId);
if (traderUser.CurrentWallet.Symbol == CurrentWallet.Symbol)
{
_logger.Information("Currently the trader holds the currency that we already have.");
return;
}
if (e.Report.AverageProfitPerHour < _config.Limiters.MinimalTraderProfitPerHourPercentage ||
e.Report.AverageTradesPerHour > _config.Limiters.MaximalTraderTradesPerHour)
{
_logger.Information($"Skipping profitable user's trade due to limiters. Trader user Id was {e.UserId}");
if (AttachedUser?.Identifier == e.UserId)
{
DetachAttachedUser();
}
return;
}
if (AttachedUser == null || AttachedUser?.Identifier == e.UserId)
{
if (!_attempCalculator.IsSucceededAttemp())
{
_logger.Information("Skipping trade due to low attemps count.");
return;
}
if (AttachedUser == null)
{
_logger.Information($"Attaching to user with Id: {e.UserId}");
AttachedUsersHistory.Add(e.UserId);
AttachedUserProfit = e.Report;
AttachedUser = traderUser;
}
_logger.Information("Attached user traded. Repeating actions.");
using (var client = CreateBinanceClient())
{
var trade = _repo.GetTradeById(e.TradeId);
var orderSide = CurrentWallet.Symbol == _symbolPair.Symbol1 ? OrderSide.Sell : OrderSide.Buy;
var priceResult = client.GetPrice(_symbolPair.ToString());
var price = priceResult.Data.Price;
var quantity = CurrentWallet.Symbol == _symbolPair.Symbol1 ? CurrentWallet.Amount : CurrentWallet.Amount / price;
quantity = RecorrectQuantity(quantity);
_logger.Warning($"Wallet balance is {CurrentWallet.Amount}{CurrentWallet.Symbol}");
_logger.Warning($"Selling {CurrentWallet.Amount}{CurrentWallet.Symbol} and buying {AttachedUser.CurrentWallet.Symbol} with price of {price}.");
var placeOrderResult = client.PlaceOrder(
timeInForce: TimeInForce.GoodTillCancel,
symbol: _symbolPair.ToString(),
quantity: quantity,
type: OrderType.Limit,
side: orderSide,
price: price);
_repo.BlacklistOrder(placeOrderResult.Data.OrderId);
_isTradingLocked = true;
_lastTradeDate = trade.TradeTime;
_lastLockTime = DateTime.UtcNow;
_lockedDueToOrderId = placeOrderResult.Data.OrderId;
}
_logger.Warning($"Locked the trading until the order with Id {_lockedDueToOrderId} become filled/expired/rejected.");
}
else
{
var maxSecondsToWait = AttachedUserProfit.AverageTradeThreshold.TotalSeconds * Math.E;
maxSecondsToWait = Math.Min(maxSecondsToWait, _config.Limiters.MaximalSecondsToWaitForTheTrader);
if (DateTime.UtcNow - _lastTradeDate > TimeSpan.FromSeconds(maxSecondsToWait) ||
e.Report.AverageProfitPerHour > AttachedUserProfit.AverageProfitPerHour * Math.E &&
e.Report.AverageTradesPerHour < AttachedUserProfit.AverageTradesPerHour)
{
DetachAttachedUser();
HandleEvent(this, e);
}
}
}