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fix fee calculation

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cryptooda
2025-07-07 10:32:27 +07:00
parent 63b670c60b
commit 4c76c040cb
1 changed files with 25 additions and 5 deletions
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30
src/Managing.Application/Bots/TradingBot.cs
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@@ -1304,14 +1304,34 @@ public class TradingBot : Bot, ITradingBot
decimal fees = 0;
// Calculate position size in USD (leverage is already included in quantity calculation)
var positionSizeUsd = position.Open.Price * position.Open.Quantity;
var positionSizeUsd = (position.Open.Price * position.Open.Quantity) * position.Open.Leverage;
// UI Fee: 0.1% of position size paid BOTH on opening AND closing
// UI Fee: 0.1% of position size paid on opening
var uiFeeRate = 0.001m; // 0.1%
var uiFeeOpen = positionSizeUsd * uiFeeRate; // Fee paid on opening
var uiFeeClose = positionSizeUsd * uiFeeRate; // Fee paid on closing
var totalUiFees = uiFeeOpen + uiFeeClose; // Total: 0.2% of position size
fees += totalUiFees;
fees += uiFeeOpen;
// UI Fee: 0.1% of position size paid on closing - only if position was actually closed
// Check which closing trade was executed (StopLoss, TakeProfit1, or TakeProfit2)
// Calculate closing fee based on the actual executed trade's price and quantity
if (position.StopLoss?.Status == TradeStatus.Filled)
{
var stopLossPositionSizeUsd = (position.StopLoss.Price * position.StopLoss.Quantity) * position.StopLoss.Leverage;
var uiFeeClose = stopLossPositionSizeUsd * uiFeeRate; // Fee paid on closing via StopLoss
fees += uiFeeClose;
}
else if (position.TakeProfit1?.Status == TradeStatus.Filled)
{
var takeProfit1PositionSizeUsd = (position.TakeProfit1.Price * position.TakeProfit1.Quantity) * position.TakeProfit1.Leverage;
var uiFeeClose = takeProfit1PositionSizeUsd * uiFeeRate; // Fee paid on closing via TakeProfit1
fees += uiFeeClose;
}
else if (position.TakeProfit2?.Status == TradeStatus.Filled)
{
var takeProfit2PositionSizeUsd = (position.TakeProfit2.Price * position.TakeProfit2.Quantity) * position.TakeProfit2.Leverage;
var uiFeeClose = takeProfit2PositionSizeUsd * uiFeeRate; // Fee paid on closing via TakeProfit2
fees += uiFeeClose;
}
// Network Fee: $0.50 for opening position only
// Closing is handled by oracle, so no network fee for closing