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Cherrys trading bot

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Техническое задание

//+------------------------------------------------------------------+
//| XAUUSD Ultimate Institutional EA                                  |
//| Features:                                                         |
//| - True swing-based market structure                                |
//| - BOS sniper entries on M5                                         |
//| - Liquidity sweep filter                                           |
//| - Partial TP + breakeven                                           |
//| - Visual BOS, swings, liquidity                                   |
//| - ATR-based dynamic SL                                             |
//| - Trailing stop                                                    |
//| - Session filter (London + NY)                                     |
//| - Risk management (1% per trade)                                   |
//+------------------------------------------------------------------+
#property strict
#include <Trade/Trade.mqh>
CTrade trade;

//================ INPUTS =================
input double RiskPercent = 1.0;           // % risk per trade
input double RR = 2.0;                    // Target RR
input double PartialClosePercent = 50.0;  // % to close at first TP
input int    SL_Buffer_Points = 400;      // SL buffer (XAU volatility)
input int    MaxSL_Points = 3000;         // Skip trades if SL too wide
input ENUM_TIMEFRAMES HTF = PERIOD_H1;    // Higher timeframe
input ENUM_TIMEFRAMES LTF = PERIOD_M5;    // Lower timeframe
input int LondonStart = 10;               // London session start
input int LondonEnd   = 13;               // London session end
input int NYStart     = 15;               // NY session start
input int NYEnd       = 18;               // NY session end
input bool UseNewsFilter = true;          // Toggle news filter
input int NewsPauseBefore = 30;           // Minutes before news
input int NewsPauseAfter  = 30;           // Minutes after news
input int FractalDepth = 2;               // For true swing detection
input int ATR_Period = 14;                // ATR period
input double ATR_Multiplier = 1.5;        // ATR multiplier for SL
input double TrailingStart = 1.0;         // RR ratio to start trailing
input double TrailingStep = 50;           // Points per trailing move

//================ GLOBALS =================
datetime LastTradeDay;
bool PartialTaken = false;
bool BuyLiquidityTaken = false;
bool SellLiquidityTaken = false;
double LastSwingHigh = 0;
double PrevSwingHigh = 0;
double LastSwingLow  = 0;
double PrevSwingLow  = 0;

//================ SESSION CHECK =================
bool InSession()
{
   int h = TimeHour(TimeCurrent());
   return (h>=LondonStart && h<=LondonEnd) || (h>=NYStart && h<=NYEnd);
}

//================ TRUE SWING DETECTION =================
void DetectSwings()
{
   for (int i = 5; i < 100; i++)
   {
      double fh = iFractals(_Symbol, HTF, MODE_UPPER, i);
      double fl = iFractals(_Symbol, HTF, MODE_LOWER, i);

      if (fh != 0)
      {
         PrevSwingHigh = LastSwingHigh;
         LastSwingHigh = fh;
      }
      if (fl != 0)
      {
         PrevSwingLow = LastSwingLow;
         LastSwingLow = fl;
      }
      if (PrevSwingHigh > 0 && PrevSwingLow > 0) break;
   }
}

//================ MARKET STRUCTURE =================
bool BullishStructure()
{
   DetectSwings();
   return (LastSwingHigh > PrevSwingHigh &&
           LastSwingLow  > PrevSwingLow);
}

bool BearishStructure()
{
   DetectSwings();
   return (LastSwingHigh < PrevSwingHigh &&
           LastSwingLow  < PrevSwingLow);
}

//================ LOT CALCULATION =================
double LotByRisk(double sl_points)
{
   double bal = AccountInfoDouble(ACCOUNT_BALANCE);
   double riskMoney = bal * RiskPercent / 100.0;
   double tickVal = SymbolInfoDouble(_Symbol, SYMBOL_TRADE_TICK_VALUE);
   double tickSz  = SymbolInfoDouble(_Symbol, SYMBOL_TRADE_TICK_SIZE);
   double lot = riskMoney / (sl_points * tickVal / tickSz);
   return NormalizeDouble(lot, 2);
}

//================ LIQUIDITY SWEEP =================
void DetectLiquiditySweep(double ltf_low, double ltf_high, double close)
{
   BuyLiquidityTaken  = (ltf_low < LastSwingLow && close > LastSwingLow);
   SellLiquidityTaken = (ltf_high > LastSwingHigh && close < LastSwingHigh);

   // Visualize sweeps
   if(BuyLiquidityTaken)
      DrawLabel("LIQ_SWEEP_BUY", TimeCurrent(), LastSwingLow, "Sell-side Liquidity Taken", clrDodgerBlue);
   if(SellLiquidityTaken)
      DrawLabel("LIQ_SWEEP_SELL", TimeCurrent(), LastSwingHigh, "Buy-side Liquidity Taken", clrOrangeRed);
}

//================ DRAWING FUNCTIONS =================
void DrawLine(string name, datetime t1, double p1, datetime t2, double p2, color clr)
{
   ObjectDelete(0, name);
   ObjectCreate(0, name, OBJ_TREND, 0, t1, p1, t2, p2);
   ObjectSetInteger(0, name, OBJPROP_COLOR, clr);
   ObjectSetInteger(0, name, OBJPROP_WIDTH, 2);
}
void DrawLabel(string name, datetime t, double p, string text, color clr)
{
   ObjectDelete(0, name);
   ObjectCreate(0, name, OBJ_TEXT, 0, t, p);
   ObjectSetText(name, text, 10, "Arial", clr);
}

//================ ATR =================
double ATR(int period, ENUM_TIMEFRAMES tf)
{
   return iATR(_Symbol, tf, period, 0);
}

//================ PARTIAL TP + BREAKEVEN =================
void ManagePosition()
{
   if (!PositionSelect(_Symbol)) return;

   double entry = PositionGetDouble(POSITION_PRICE_OPEN);
   double sl    = PositionGetDouble(POSITION_SL);
   double tp    = PositionGetDouble(POSITION_TP);
   double vol   = PositionGetDouble(POSITION_VOLUME);
   int type     = PositionGetInteger(POSITION_TYPE);
   double price = (type==POSITION_TYPE_BUY) ? SymbolInfoDouble(_Symbol, SYMBOL_BID)
                                            : SymbolInfoDouble(_Symbol, SYMBOL_ASK);
   double risk = MathAbs(entry - sl);
   double oneR = (type==POSITION_TYPE_BUY) ? entry + risk : entry - risk;

   // Partial TP
   if (!PartialTaken &&
       ((type==POSITION_TYPE_BUY && price >= oneR) ||
        (type==POSITION_TYPE_SELL && price <= oneR)))
   {
      trade.PositionClosePartial(_Symbol, vol * PartialClosePercent / 100.0);
      trade.PositionModify(_Symbol, entry, tp); // move SL to breakeven
      PartialTaken = true;
   }

   // Trailing Stop
   double rrAchieved = (type==POSITION_TYPE_BUY) ? (price - entry)/risk : (entry - price)/risk;
   if(rrAchieved >= TrailingStart)
   {
      double new_sl;
      if(type==POSITION_TYPE_BUY)
         new_sl = price - TrailingStep*_Point;
      else
         new_sl = price + TrailingStep*_Point;

      if((type==POSITION_TYPE_BUY && new_sl > sl) ||
         (type==POSITION_TYPE_SELL && new_sl < sl))
      {
         trade.PositionModify(_Symbol, new_sl, tp);
      }
   }
}

//================ NEWS FILTER PLACEHOLDER =================
bool NewsSafe()
{
   if(!UseNewsFilter) return true;
   // Placeholder: safe, can integrate news API
   return true;
}

//================ MAIN LOGIC =================
void OnTick()
{
   if(_Symbol != "XAUUSD") return;
   if(!InSession()) return;
   if(!NewsSafe()) return;

   ManagePosition();
   if(PositionsTotal() > 0) return;

   double close = iClose(_Symbol, LTF, 1);
   double prevHigh = iHigh(_Symbol, LTF, 2);
   double prevLow  = iLow(_Symbol, LTF, 2);

   DetectLiquiditySweep(prevLow, prevHigh, close);

   double atr = ATR(ATR_Period, LTF);

   //================ BUY =================
   if(BullishStructure() && BuyLiquidityTaken && close > prevHigh)
   {
      double entry = SymbolInfoDouble(_Symbol, SYMBOL_ASK);
      double sl = entry - atr * ATR_Multiplier;
      double sl_points = (entry - sl)/_Point;
      if(sl_points > MaxSL_Points) return;
      double tp = entry + (entry - sl) * RR;
      double lot = LotByRisk(sl_points);

      trade.Buy(lot, _Symbol, entry, sl, tp);
      PartialTaken = false;

      DrawLine("BOS_BUY", iTime(_Symbol,LTF,2), prevHigh, iTime(_Symbol,LTF,1), close, clrLime);
      DrawLabel("BOS_BUY_LABEL", iTime(_Symbol,LTF,1), close, "BOS BUY", clrLime);
   }

   //================ SELL =================
   if(BearishStructure() && SellLiquidityTaken && close < prevLow)
   {
      double entry = SymbolInfoDouble(_Symbol, SYMBOL_BID);
      double sl = entry + atr * ATR_Multiplier;
      double sl_points = (sl - entry)/_Point;
      if(sl_points > MaxSL_Points) return;
      double tp = entry - (sl - entry) * RR;
      double lot = LotByRisk(sl_points);

      trade.Sell(lot, _Symbol, entry, sl, tp);
      PartialTaken = false;

      DrawLine("BOS_SELL", iTime(_Symbol,LTF,2), prevLow, iTime(_Symbol,LTF,1), close, clrRed);
      DrawLabel("BOS_SELL_LABEL", iTime(_Symbol,LTF,1), close, "BOS SELL", clrRed);
   }
}

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