crib_market_ea_mt5/V2/CribMarketEAV2.mq5

//+------------------------------------------------------------------+
//|                                                 CribMarketEA.mq5 |
//|                                  Copyright 2025, MQL Development |
//|                                  https://www.mqldevelopment.com/ |
//+------------------------------------------------------------------+
#property copyright "Copyright 2025, MQL Development"
#property link      "https://www.mqldevelopment.com/"
#property version   "1.00"

#include <Trade\Trade.mqh>
CTrade  trade;

#define MaxOrders 10000

struct new_trade_store
  {
   ulong             buyTicket;         // Buy Ticket
   ulong             sellTicket;         // Sell Ticket
   string            buySymbol;      // Buy Symbol Name
   string            sellSymbol;      // Sell Symbol Name
                     new_trade_store()
     {
      buyTicket = -1;
      sellTicket = -1;
     }

  };
new_trade_store newTradeStore[MaxOrders];


input       string               Settings              = " ------------- General Settings ------------- ";   //_
input       int                  magicNo               = 333;                 // Magic no
input       double               lotSize               = 0.01;                 // Lot Size
input       bool                 enableBasketTP        = true;               // Enable Basket TP
input       double               basketTakeProfit      = 1.0;               // Basket Take Profit
input       int                  maxOpenPositions      = 3;                // Maximum number of open positions


string goldPairs[];
int totalGoldPairs = 0;

//+------------------------------------------------------------------+
//| Expert initialization function                                   |
//+------------------------------------------------------------------+
int OnInit()
  {
//---

   trade.SetExpertMagicNumber(magicNo);
   trade.SetDeviationInPoints(10);
   trade.SetTypeFilling(ORDER_FILLING_IOC);
   trade.LogLevel(LOG_LEVEL_ALL);
   trade.SetAsyncMode(false);

   getSymbolsFromMarketWatch();

// addToStructure(153718680, 153718681, "EURUSD", "XAUUSD.");


//--- create timer
   EventSetMillisecondTimer(1000);

//---
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+
//| Expert deinitialization function                                 |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
  {
//---
   EventKillTimer();

  }
//+------------------------------------------------------------------+
//| Expert tick function                                             |
//+------------------------------------------------------------------+
void OnTick()
  {
//---



  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void OnTimer()
  {
//---

   removeFromStruct();

   if(enableBasketTP == true)
     {
      checkBasketTakeProfit();
     }

   string symbolToBuy = getSymbolWithLowestAsk();
   string symbolToSell = getSymbolWithHighestBid();
   int buyTickett = -1, sellTickett = -1;
//Print(" Symbol to Buy is: ", symbolToBuy, " Symbol to Sell: ", symbolToSell);

   if(noOfActiveCombinations() < maxOpenPositions)
     {
      if(canTradeSymbol(symbolToBuy, symbolToSell, POSITION_TYPE_BUY, POSITION_TYPE_SELL))
        {
         if(symbolToBuy != symbolToSell)
           {
            if(symbolToBuy != NULL && symbolToBuy != "")
              {
               buyTickett = placeBuyTrade(symbolToBuy);
              }

            if(symbolToSell != NULL && symbolToSell != "")
              {
               sellTickett = placeSellTrade(symbolToSell);
              }
           }
        }
     }

   if(buyTickett != -1 && sellTickett != -1)
     {
      addToStructure(buyTickett, sellTickett, symbolToBuy, symbolToSell);
     }
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
bool newBar()
  {
   static datetime lastbar;
   datetime curbar = iTime(Symbol(), PERIOD_CURRENT, 0);
   if(lastbar != curbar)
     {
      lastbar = curbar;
      Print(" ---------------------- New Bar :: ---------------------- ",lastbar);
      return (true);
     }
   else
     {
      return (false);
     }
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int placeBuyTrade(string symbol)
  {

   double ask = SymbolInfoDouble(symbol, SYMBOL_ASK);
   double buySL = 0, buyTP = 0;

   if(trade.PositionOpen(symbol, ORDER_TYPE_BUY, lotSize, ask, buySL, buyTP, "Buy Trade Placed"))
     {
      Print("Buy Trade Placed on ", symbol, ": ", trade.ResultOrder());
      return (int)trade.ResultOrder();
     }
   else
     {
      Print("Error in placing Buy on ", symbol, ": ", GetLastError());
     }
   return 0;
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int placeSellTrade(string symbol)
  {

   double bid = SymbolInfoDouble(symbol, SYMBOL_BID);
   double sellSL = 0, sellTP = 0;

   if(trade.PositionOpen(symbol, ORDER_TYPE_SELL, lotSize, bid, sellSL, sellTP, "Sell Trade Placed"))
     {
      Print("Sell Trade Placed on ", symbol, ": ", trade.ResultOrder());
      return (int)trade.ResultOrder();
     }
   else
     {
      Print("Error in placing Sell on ", symbol, ": ", GetLastError());
     }
   return 0;
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void getSymbolsFromMarketWatch()
  {
   int totalSymbols = SymbolsTotal(true);
   ArrayResize(goldPairs, 0);
   totalGoldPairs = 0;

   for(int i = 0; i < totalSymbols; i++)
     {
      string symbolName = SymbolName(i, true);
      //if(StringFind(symbolName, "GOLD") != -1 || StringFind(symbolName, "XAU") != -1)
        {
         ArrayResize(goldPairs, totalGoldPairs + 1);
         if(totalGoldPairs < ArraySize(goldPairs))
           {
            goldPairs[totalGoldPairs] = symbolName;
            totalGoldPairs++;
           }
         else
           {
            Print("Error: Array resize failed for symbol ", symbolName);
           }
        }
     }

   Print("Found ", totalGoldPairs, " Symbol pairs in Market Watch");
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
string getSymbolWithLowestAsk()
  {

   if(totalGoldPairs == 0)
      return NULL;

   string lowestSymbol = "";
//double lowestAsk = INT_MAX; // SymbolInfoDouble(lowestSymbol, SYMBOL_ASK);
   double lowestAsk = DBL_MAX;

   for(int i = 0; i < totalGoldPairs; i++)
     {
      double currentAsk = SymbolInfoDouble(goldPairs[i], SYMBOL_ASK);
      Print("Pair:",goldPairs[i]," Price Ask:",currentAsk);

      if(currentAsk < lowestAsk)
        {
         lowestAsk = currentAsk;
         lowestSymbol = goldPairs[i];
        }
     }

   Print("Lowest Ask Pair: ", lowestSymbol, " Lowest Ask: ", lowestAsk);
   return lowestSymbol;
  }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
string getSymbolWithHighestBid()
  {

   if(totalGoldPairs == 0)
      return NULL;

   string highestSymbol = "";
//double highestBid = INT_MIN; // SymbolInfoDouble(highestSymbol, SYMBOL_BID);
   double highestBid = 0;

   for(int i = 0; i < totalGoldPairs; i++)
     {
      double currentBid = SymbolInfoDouble(goldPairs[i], SYMBOL_BID);
      Print("Pair:",goldPairs[i]," Price Bid:",currentBid);
      if(currentBid > highestBid)
        {
         highestBid = currentBid;
         highestSymbol = goldPairs[i];
        }
     }

   Print("Highest Bid Pair: ", highestSymbol, " Highest Bid: ", highestBid);
   return highestSymbol;
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int noOfActiveCombinations()
  {
   int count = 0;
   for(int i = 0; i < MaxOrders; i++)
     {
      if(newTradeStore[i].buyTicket != -1 && newTradeStore[i].sellTicket != -1)
        {
         count++;
        }
     }
   return count;
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void checkBasketTakeProfit()
  {
   for(int i = 0; i < MaxOrders; i++)
     {
      if(newTradeStore[i].buyTicket != -1 && newTradeStore[i].sellTicket != -1)
        {
         double combinationProfit = 0;

         if(PositionSelectByTicket(newTradeStore[i].buyTicket))
           {
            combinationProfit += PositionGetDouble(POSITION_PROFIT) + PositionGetDouble(POSITION_SWAP);
           }

         if(PositionSelectByTicket(newTradeStore[i].sellTicket))
           {
            combinationProfit += PositionGetDouble(POSITION_PROFIT) + PositionGetDouble(POSITION_SWAP);
           }

         if(combinationProfit >= basketTakeProfit)
           {
            Print("Combination TP hit: Closing trades. Profit = ", combinationProfit);

            trade.PositionClose(newTradeStore[i].buyTicket);
            Print("Buy Trade Closed: ", newTradeStore[i].buyTicket);
            trade.PositionClose(newTradeStore[i].sellTicket);
            Print("Sell Trade Closed: ", newTradeStore[i].sellTicket);
           }
        }
     }
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
bool isGoldPair(string symbol)
  {
   for(int i = 0; i < totalGoldPairs; i++)
     {
      //Print("Total Gold pairs: ", totalGoldPairs, " Array: ", goldPairs[i], " Symbol: ", symbol);
      if(goldPairs[i] == symbol)
         return true;
     }
   return false;
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void addToStructure(ulong r_buyTicket,ulong r_sellTicket, string r_buySymbol, string r_sellSymbol)
  {
   for(int i=0; i<MaxOrders; i++)
     {
      if(newTradeStore[i].buyTicket==-1 && newTradeStore[i].sellTicket==-1)
        {
         newTradeStore[i].buyTicket = r_buyTicket;
         newTradeStore[i].sellTicket = r_sellTicket;
         newTradeStore[i].buySymbol = r_buySymbol;
         newTradeStore[i].sellSymbol = r_sellSymbol;

         Print("Stored new ticket in structure. Buy Ticket: ", newTradeStore[i].buyTicket, " Sell Ticket: ", newTradeStore[i].sellTicket,
               " Buy Symbol: ", newTradeStore[i].buySymbol, " Sell Symbol: ", newTradeStore[i].sellSymbol);
         break;
        }
     }
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void removeFromStruct()
  {
   for(int i = 0 ; i < MaxOrders ; i++)
     {
      bool buyPresent = false;
      bool sellPresent = false;

      if(newTradeStore[i].buyTicket !=-1 && newTradeStore[i].sellTicket !=-1)
        {
         for(int j = PositionsTotal()-1; j>=0; j--)
           {
            ulong ticket = PositionGetTicket(j);
            if(PositionSelectByTicket(ticket))
              {
               if(ticket == newTradeStore[i].buyTicket)
                 {
                  buyPresent = true;
                 }
               if(ticket == newTradeStore[i].sellTicket)
                 {
                  sellPresent = true;
                 }
              }
           }

         if(!buyPresent && !sellPresent)
           {
            Print("Buy ticket closed so removed from struct: ", newTradeStore[i].buyTicket);
            newTradeStore[i].buyTicket = -1;
            newTradeStore[i].buySymbol = "";

            Print("Sell ticket closed so removed from struct: ", newTradeStore[i].sellTicket);
            newTradeStore[i].sellTicket = -1;
            newTradeStore[i].sellSymbol = "";
           }
        }
     }
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
bool canTradeSymbol(string symbol1, string symbol2, ENUM_POSITION_TYPE type1, ENUM_POSITION_TYPE type2)
  {
   for(int i = 0; i < MaxOrders; i++)
     {

      if(newTradeStore[i].buyTicket != -1 && newTradeStore[i].sellTicket != -1)
        {
         if(newTradeStore[i].buySymbol == symbol1 && newTradeStore[i].sellSymbol == symbol2)
           {
            if(type1 == POSITION_TYPE_BUY && type2 == POSITION_TYPE_SELL)
              {
               Print("Already Have Buy and Sell on this Pair");
               Print("----------- Symbol Buy: ", symbol1, " Symbol Sell: ", symbol2, " Buy Ticket: ", newTradeStore[i].buyTicket,
                     " Sell Ticket: ", newTradeStore[i].sellTicket," ---------------");
               return false;
              }
           }
        }

     }
   return true;
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+

//+------------------------------------------------------------------+