extern double Lot      = 0.1;
extern int    SL       = 40;
extern int    Step     = 10;
extern int    Slippage = 3;
extern int    Magic    = 143;

//--- indicator parameters
extern int MaPeriod=13;
extern int MaShift=1;

int ticket;
int otype;
double sl, price, MA;

//+------------------------------------------------------------------+
//| Expert initialization function                                   |
//+------------------------------------------------------------------+
int OnInit()
  {
  if (Digits == 3 || Digits == 5)
    {
      Step *= 10;
      Slippage *= 10;
     }
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+
//| Expert deinitialization function                                 |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
  {

   
  }
//+------------------------------------------------------------------+
//| Expert tick function                                             |
//+------------------------------------------------------------------+
void OnTick()
 { 
    MA = iMA(Symbol(), 0, MaPeriod, MaShift, MODE_SMA, PRICE_CLOSE, 1);
   
   if (CountTrades() == 0 && Open[0]>Close[2]&&Open[0]>MA)
   {
//покупка 
    ticket=OrderSend(Symbol(), OP_BUY, Lot, Ask, Slippage, 0, 0, "T", Magic, 0, Blue);
    if(OrderSelect(ticket, SELECT_BY_TICKET, MODE_TRADES))
    {
//считаем стоплосс    
      sl = NormalizeDouble(Bid - SL*Point, Digits);
      OrderModify(ticket, OrderOpenPrice(), sl, 0, 0);
    }
   }
   else
   if (CountTrades() == 0 && Open[0]<Close[2]&&Open[0]<MA)
   {
      // prodaga
      ticket=OrderSend(Symbol(), OP_SELL, Lot, Bid, Slippage, 0, 0, "T", Magic, 0, Red);
    if(OrderSelect(ticket, SELECT_BY_TICKET, MODE_TRADES))
    {
//считаем стоплосс    
      sl = NormalizeDouble(Ask + SL*Point, Digits);
      OrderModify(ticket, OrderOpenPrice(), sl, 0, 0);
   }
  }
//находим последний ордер  
  if (CountTrades() > 0)
//определяем тип последнего ордера
  {
    otype = FindLastOrderType();
    
    if (otype == OP_BUY)
    {
// находим цену последнего ордера
      price = FindLastBuyPrice();
//к цене последнего ордера прибавляю текущую цену,перевожу в пункты и сравниваю с шагом, если >= то открываем ордер       
      if ((price + Ask)/Point >= Step)
      {
         OrderSend(Symbol(), OP_BUY, Lot, Ask, Slippage, sl, 0, "T", Magic, 0, Blue);
      }
    }  
    
    else if (otype == OP_SELL)
    {
      price = FindLastSellPrice();
      
      if ((Bid+price)/Point >= Step)
      {
         OrderSend(Symbol(), OP_SELL, Lot, Bid, Slippage, sl, 0, "T", Magic, 0, Red);
      }  
    }
  }

//+------------------------------------------------------------------+
double FindLastBuyPrice()
{
   int oticket, ticketnumber = 0;
   double oprice;
   
   for (int i = OrdersTotal() - 1; i>=0; i--)
   {
      if (OrderSelect(i, SELECT_BY_POS, MODE_TRADES))
      {
        if (OrderSymbol() == Symbol() && OrderMagicNumber() == Magic && OrderType() == OP_BUY)
        {
          oticket = OrderTicket();
          if (oticket > ticketnumber)
          {
            ticketnumber = oticket;
            oprice = OrderOpenPrice();
          }
        }
      }
   }
   return(oprice);
}
//+------------------------------------------------------------------+
double FindLastSellPrice()
{
   int oticket, ticketnumber = 0;
   double oprice;
   
   for (int i = OrdersTotal() - 1; i>=0; i--)
   {
      if (OrderSelect(i, SELECT_BY_POS, MODE_TRADES))
      {
        if (OrderSymbol() == Symbol() && OrderMagicNumber() == Magic && OrderType() == OP_SELL)
        {
          oticket = OrderTicket();
          if (oticket > ticketnumber)
          {
            ticketnumber = oticket;
            oprice = OrderOpenPrice();
          }
        }
      }
   }
   return(oprice);
}

//+------------------------------------------------------------------+
int FindLastOrderType()
{
   int oticket, ticketnumber = 0, OType;
   for (int i = OrdersTotal() - 1; i>=0; i--)
   {
      if (OrderSelect(i, SELECT_BY_POS, MODE_TRADES))
      {
        if (OrderSymbol() == Symbol() && OrderMagicNumber() == Magic)
        {
          oticket = OrderTicket();
          if (oticket > ticketnumber)
          {
            ticketnumber = oticket;
            OType = OrderType();
          }
        }
      }
   }
   return(OType);
}
//+------------------------------------------------------------------+
int CountTrades()
{
   int count = 0;
   for (int i=OrdersTotal()-1; i>=0; i--)
   {
      if(OrderSelect(i, SELECT_BY_POS, MODE_TRADES))
      {
         if (OrderSymbol()==Symbol()&&OrderMagicNumber()==Magic)
//проверяем есть ли открытые ордера
           {
             if (OrderType() == OP_BUY || OrderType() == OP_SELL)
             count++;
           }
      }
    }
   return(count);
  }
//+------------------------------------------------------------------+