ONT Sixth Study EA

#property version   "1.00"
#property description ""

#include <stdlib.mqh>
#include <stderror.mqh>

extern double TP_Pts = 77;
extern double SL_Pts = 49;
extern int Candle_Index_P = 2;
extern double Plus_H1 = 20;
extern int Candle_Index_H1_1 = 0;
extern int Candle_Index_H1_2 = 1;
extern int MA = 10;
extern int Candle_Index_H1_3 = 0;
int LotDigits; //initialized in OnInit
extern int MagicNumber = 1594137;
extern int TOD_From_Hour = 03; //time of the day (from hour)
extern int TOD_From_Min = 15; //time of the day (from min)
extern int TOD_To_Hour = 19; //time of the day (to hour)
extern int TOD_To_Min = 45; //time of the day (to min)
extern double TradeSize = 0.2;
extern double MaxSpread = 2;
int MaxSlippage = 3; //adjusted in OnInit
bool crossed[2]; //initialized to true, used in function Cross
extern int MaxOpenTrades = 1;
int MaxLongTrades = 1000;
int MaxShortTrades = 1000;
int MaxPendingOrders = 1000;
int MaxLongPendingOrders = 1000;
int MaxShortPendingOrders = 1000;
extern bool Hedging = true;
int OrderRetry = 5; //# of retries if sending order returns error
int OrderWait = 5; //# of seconds to wait if sending order returns error
double myPoint; //initialized in OnInit

bool inTimeInterval(datetime t, int From_Hour, int From_Min, int To_Hour, int To_Min)
  {
   string TOD = TimeToString(t, TIME_MINUTES);
   string TOD_From = StringFormat("%02d", From_Hour)+":"+StringFormat("%02d", From_Min);
   string TOD_To = StringFormat("%02d", To_Hour)+":"+StringFormat("%02d", To_Min);
   return((StringCompare(TOD, TOD_From) >= 0 && StringCompare(TOD, TOD_To) <= 0)
     || (StringCompare(TOD_From, TOD_To) > 0
       && ((StringCompare(TOD, TOD_From) >= 0 && StringCompare(TOD, "23:59") <= 0)
         || (StringCompare(TOD, "00:00") >= 0 && StringCompare(TOD, TOD_To) <= 0))));
  }

bool Cross(int i, bool condition) //returns true if "condition" is true and was false in the previous call
  {
   bool ret = condition && !crossed[i];
   crossed[i] = condition;
   return(ret);
  }

void myAlert(string type, string message)
  {
   if(type == "print")
      Print(message);
   else if(type == "error")
     {
      Print(type+" | ONT Sixth Study EA @ "+Symbol()+","+IntegerToString(Period())+" | "+message);
     }
   else if(type == "order")
     {
     }
   else if(type == "modify")
     {
     }
  }

int TradesCount(int type) //returns # of open trades for order type, current symbol and magic number
  {
   int result = 0;
   int total = OrdersTotal();
   for(int i = 0; i < total; i++)
     {
      if(OrderSelect(i, SELECT_BY_POS, MODE_TRADES) == false) continue;
      if(OrderMagicNumber() != MagicNumber || OrderSymbol() != Symbol() || OrderType() != type) continue;
      result++;
     }
   return(result);
  }

int myOrderSend(int type, double price, double volume, string ordername) //send order, return ticket ("price" is irrelevant for market orders)
  {
   if(!IsTradeAllowed()) return(-1);
   int ticket = -1;
   int retries = 0;
   int err = 0;
   int long_trades = TradesCount(OP_BUY);
   int short_trades = TradesCount(OP_SELL);
   int long_pending = TradesCount(OP_BUYLIMIT) + TradesCount(OP_BUYSTOP);
   int short_pending = TradesCount(OP_SELLLIMIT) + TradesCount(OP_SELLSTOP);
   string ordername_ = ordername;
   if(ordername != "")
      ordername_ = "("+ordername+")";

   if(!Hedging && ((type % 2 == 0 && short_trades + short_pending > 0) || (type % 2 == 1 && long_trades + long_pending > 0)))
     {
      myAlert("print", "Order"+ordername_+" not sent, hedging not allowed");
      return(-1);
     }

   if((type % 2 == 0 && long_trades >= MaxLongTrades)
   || (type % 2 == 1 && short_trades >= MaxShortTrades)
   || (long_trades + short_trades >= MaxOpenTrades)
   || (type > 1 && type % 2 == 0 && long_pending >= MaxLongPendingOrders)
   || (type > 1 && type % 2 == 1 && short_pending >= MaxShortPendingOrders)
   || (type > 1 && long_pending + short_pending >= MaxPendingOrders)
   )
     {
      myAlert("print", "Order"+ordername_+" not sent, maximum reached");
      return(-1);
     }

   while(IsTradeContextBusy()) Sleep(100);
   RefreshRates();
   if(type == OP_BUY)
      price = Ask;
   else if(type == OP_SELL)
      price = Bid;
   else if(price < 0) //invalid price for pending order
     {
      myAlert("order", "Order"+ordername_+" not sent, invalid price for pending order");
	  return(-1);
     }
   int clr = (type % 2 == 1) ? clrRed : clrBlue;
   if(MaxSpread > 0 && Ask - Bid > MaxSpread * myPoint)
     {
      myAlert("order", "Order"+ordername_+" not sent, maximum spread "+DoubleToStr(MaxSpread * myPoint, Digits())+" exceeded");
      return(-1);
     }
   while(ticket < 0 && retries < OrderRetry+1)
     {
      ticket = OrderSend(Symbol(), type, NormalizeDouble(volume, LotDigits), NormalizeDouble(price, Digits()), MaxSlippage, 0, 0, ordername, MagicNumber, 0, clr);
      if(ticket < 0)
        {
         err = GetLastError();
         myAlert("print", "OrderSend"+ordername_+" error #"+IntegerToString(err)+" "+ErrorDescription(err));
         Sleep(OrderWait*1000);
        }
      retries++;
     }
   if(ticket < 0)
     {
      myAlert("error", "OrderSend"+ordername_+" failed "+IntegerToString(OrderRetry+1)+" times; error #"+IntegerToString(err)+" "+ErrorDescription(err));
      return(-1);
     }
   string typestr[6] = {"Buy", "Sell", "Buy Limit", "Sell Limit", "Buy Stop", "Sell Stop"};
   myAlert("order", "Order sent"+order

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