Exponential Moving Average Robot MT5 code

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

//inputs
input double tradelot = 0.01; // Lot Size
static input long MagicNumber   = 989658;  // Magic Number
input ENUM_TIMEFRAMES IndicTime = PERIOD_M30; // chart Time Frame
input int IndicPeriod = 23; // Indicator Period
input int formula = 1; // formula 1 or 2

int indicline ,barsTotal,indiclow;
double indicBuffer[],lowBuffer[];
//+------------------------------------------------------------------+
int OnInit()
  {
//---
   trade.SetExpertMagicNumber(MagicNumber);
      
   indicline = iMA(_Symbol,IndicTime,IndicPeriod,0,MODE_EMA,PRICE_HIGH);
   indiclow = iMA(_Symbol,IndicTime,IndicPeriod,0,MODE_EMA,PRICE_LOW);
//---
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+
//| Expert deinitialization function                                 |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
  {
//---
   if(indicline != INVALID_HANDLE){IndicatorRelease(indicline);}
   if(indiclow != INVALID_HANDLE){IndicatorRelease(indiclow);}
  }
//+------------------------------------------------------------------+
//| Expert tick function                                             |
//+------------------------------------------------------------------+
void OnTick()
  {
//---  
   double   close1 =iClose(NULL,IndicTime,1);
   
  //------HandleTrade ------------------- 
  double   high1  = iHigh(NULL,IndicTime,1);
  double   low1 = iLow(NULL,IndicTime,1);
  
  double   high  = iHigh(NULL,IndicTime,0);
  double   low = iLow(NULL,IndicTime,0);   
  
  if(formula ==1) {
   int values = CopyBuffer(indicline,0,1,1,indicBuffer);
   Print(indicBuffer[0]);
   int values2 = CopyBuffer(indiclow,0,1,1,lowBuffer);
   
   if( indicBuffer[0] <= close1) //BuyCall
    { if(buytotal()==0)trade.Buy(tradelot);
      CloseSellCall();}
   
   if(lowBuffer[0]>= close1) // CLose Buy
    {   CloseBuyCall();
     if(selltotal()==0) trade.Sell(tradelot); }
    } 
  if(formula ==2) {
   int values = CopyBuffer(indicline,0,1,1,indicBuffer);
   Print(indicBuffer[0]);
   int values2 = CopyBuffer(indiclow,0,1,1,lowBuffer);
   
   if( lowBuffer[0] <= close1) //BuyCall
    { if(buytotal()==0)trade.Buy(tradelot);
     }
    if(lowBuffer[0]>= close1) CloseBuyCall();
    
   if(indicBuffer[0]>= close1) // CLose Buy
    {   
     if(selltotal()==0) trade.Sell(tradelot); }
    }     
   if(indicBuffer[0]<= close1)CloseBuyCall();
  }
//+------------------------------------------------------------------+

int buytotal()
 { int buy = 0;
 int total = PositionsTotal();
   for(int i=total-1; i>=0; i--) {
     ulong positionTicket = PositionGetTicket(i);
     if(positionTicket<=0){Print("Failed to get Ticket"); }
     if(!PositionSelectByTicket(positionTicket))
                { Print("Failed to select position"); }
     long magic;
     if(!PositionGetInteger(POSITION_MAGIC,magic))
               {Print("Failed to get magic");}
      if(magic==MagicNumber){
        long orderType;
        if(!PositionGetInteger(POSITION_TYPE,orderType))
                   {Print("failed to get order type"); }
        if(orderType==POSITION_TYPE_BUY){ 
                    
            buy++;
          
    }}}  return(buy) ;
 }
 int selltotal()
 { int sell = 0;
 int total = PositionsTotal();
   for(int i=total-1; i>=0; i--) {
     ulong positionTicket = PositionGetTicket(i);
     if(positionTicket<=0){Print("Failed to get Ticket"); }
     if(!PositionSelectByTicket(positionTicket))
                { Print("Failed to select position"); }
     long magic;
     if(!PositionGetInteger(POSITION_MAGIC,magic))
               {Print("Failed to get magic");}
      if(magic==MagicNumber){
        long orderType;
        if(!PositionGetInteger(POSITION_TYPE,orderType))
                   {Print("failed to get order type"); }
        if(orderType==POSITION_TYPE_SELL){ 
                    
            sell++;
          
    }}}  return(sell) ;
 }
void CloseBuyCall()
  {
   int total = PositionsTotal();
   for(int i=total-1; i>=0; i--) {
     ulong positionTicket = PositionGetTicket(i);
     if(positionTicket<=0){Print("Failed to get Ticket"); }
     if(!PositionSelectByTicket(positionTicket))
                { Print("Failed to select position"); }
     long magic;
     if(!PositionGetInteger(POSITION_MAGIC,magic))
               {Print("Failed to get magic");}
      if(magic==MagicNumber){
        long orderType;
        if(!PositionGetInteger(POSITION_TYPE,orderType))
                   {Print("failed to get order type"); }
        if(orderType==POSITION_TYPE_BUY){ 
                    
            trade.PositionClose(positionTicket);
          
    }}}}
    
void CloseSellCall()
  {
   int total = PositionsTotal();
   for(int i=total-1; i>=0; i--) {
     ulong positionTicket = PositionGetTicket(i);
     if(positionTicket<=0){Print("Failed to get Ticket"); }
     if(!PositionSelectByTicket(positionTicket))
                { Print("Failed to select position"); }
     long magic;
     if(!PositionGetInteger(POSITION_MAGIC,magic))
               {Print("Failed to get magic");}
      if(magic==MagicNumber){
        long orderType;
        if(!PositionGetInteger(POSITION_TYPE,orderType))
                   {Print("failed to get order type"); }
        if(orderType==POSITION_TYPE_SELL){ 
                    
            trade.PositionClose(positionTicket);
          
    }}}}