Nevalyashka

ÿþ//+------------------------------------------------------------------+

//|                         Nevalyashka(barabashkakvn's edition).mq5 |

//|                              Copyright © 2017, Vladimir Karputov |

//|                                           http://wmua.ru/slesar/ |

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

#property copyright "Copyright © 2017, Vladimir Karputov"

#property link      "http://wmua.ru/slesar/"

#property version   "1.001"

#property description "Strategy based on the indicator \"ZigZag\""

#property description "Pending orders at level 1/2 of the last ray and at level 1/2 of the penultimate ray"

//---

#include <Trade\PositionInfo.mqh>

#include <Trade\Trade.mqh>

#include <Trade\SymbolInfo.mqh>  

CPositionInfo  m_position;                      // trade position object

CTrade         m_trade;                         // trading object

CSymbolInfo    m_symbol;                        // symbol info object

//--- input parameters

input uchar    InpNumberMinimumLots = 1;        // Number of minimum lots

input ushort   InpStopLoss          = 50;       // Stop Loss (in pips)

input ushort   InpTakeProfit        = 50;       // Take Profit (in pips)

ulong          m_magic              = 48993850; // magic number

ulong          m_slippage           = 10;       // slippage

//---

double         ExtStopLoss=0;

double         ExtTakeProfit=0;

double         m_adjusted_point;                // point value adjusted for 3 or 5 points

bool           m_first_start=true;

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

//| Expert initialization function                                   |

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

int OnInit()

  {

//---

   if(!m_symbol.Name(Symbol())) // sets symbol name

      return(INIT_FAILED);

   RefreshRates();

//---

   m_trade.SetExpertMagicNumber(m_magic);

//---

   if(IsFillingTypeAllowed(SYMBOL_FILLING_FOK))

      m_trade.SetTypeFilling(ORDER_FILLING_FOK);

   else if(IsFillingTypeAllowed(SYMBOL_FILLING_IOC))

      m_trade.SetTypeFilling(ORDER_FILLING_IOC);

   else

      m_trade.SetTypeFilling(ORDER_FILLING_RETURN);

//---

   m_trade.SetDeviationInPoints(m_slippage);

//--- tuning for 3 or 5 digits

   int digits_adjust=1;

   if(m_symbol.Digits()==3 || m_symbol.Digits()==5)

      digits_adjust=10;

   m_adjusted_point=m_symbol.Point()*digits_adjust;



   ExtStopLoss=InpStopLoss*m_adjusted_point;

   ExtTakeProfit=InpTakeProfit*m_adjusted_point;



   m_first_start=true;

//---

   return(INIT_SUCCEEDED);

  }

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

//| Expert deinitialization function                                 |

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

void OnDeinit(const int reason)

  {

//---



  }

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

//| Expert tick function                                             |

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

void OnTick()

  {

//---

   if(m_first_start)

     {

      if(!RefreshRates())

         return;

      OpenSell(m_symbol.Ask()+ExtStopLoss,m_symbol.Bid()-ExtTakeProfit);

      m_first_start=false;

      return;

     }

   static ENUM_POSITION_TYPE last_pos_type=-1;

   static double last_volume=0.0;

   for(int i=PositionsTotal()-1;i>=0;i--) // returns the number of current positions

      if(m_position.SelectByIndex(i)) // selects the position by index for further access to its properties

         if(m_position.Symbol()==m_symbol.Name() && m_position.Magic()==m_magic)

           {

            last_pos_type=m_position.PositionType();  // gets the position type

            last_volume=m_position.Volume();          // gets the position volume

            return;

           }

   if(last_pos_type==-1)

     {

      m_first_start=true;

      return;

     }

   if(!RefreshRates())

      return;

   if(last_pos_type==POSITION_TYPE_BUY)

     {

      double sl=(InpStopLoss==0)?0.0:m_symbol.Bid()+ExtStopLoss;

      double tp=(InpTakeProfit==0)?0.0:m_symbol.Bid()-ExtTakeProfit;

      OpenSell(sl,tp);

     }

   else if(last_pos_type==POSITION_TYPE_SELL)

     {

      double sl=(InpStopLoss==0)?0.0:m_symbol.Ask()-ExtStopLoss;

      double tp=(InpTakeProfit==0)?0.0:m_symbol.Ask()+ExtTakeProfit;

      OpenBuy(sl,tp);

     }

  }

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

//| Refreshes the symbol quotes data                                 |

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

bool RefreshRates()

  {

//--- refresh rates

   if(!m_symbol.RefreshRates())

      return(false);

//--- protection against the return value of "zero"

   if(m_symbol.Ask()==0 || m_symbol.Bid()==0)

      return(false);

//---

   return(true);

  }

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

//| Checks if the specified filling mode is allowed                  | 

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

bool IsFillingTypeAllowed(int fill_type)

  {

//--- Obtain the value of the property that describes allowed filling modes 

   int filling=m_symbol.TradeFillFlags();

//--- Return true, if mode fill_type is allowed 

   return((filling & fill_type)==fill_type);

  }

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

//| Open Buy position                                                |

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

void OpenBuy(double sl,double tp)

  {

   sl=m_symbol.NormalizePrice(sl);

   tp=m_symbol.NormalizePrice(tp);



//--- check volume before OrderSend to avoid "not enough money" error (CTrade)

   double check_open_long_lot=(double)(m_symbol.LotsMin()*InpNumberMinimumLots);

   double check_volume_lot=m_trade.CheckVolume(m_symbol.Name(),check_open_long_lot,m_symbol.Ask(),ORDER_TYPE_BUY);



   if(check_volume_lot!=0.0)

      if(check_volume_lot>=check_open_long_lot)

        {

         if(m_trade.Buy(check_open_long_lot,NULL,m_symbol.Ask(),sl,tp))

           {

            if(m_trade.ResultDeal()==0)

              {

               Print("Buy -> false. Result Retcode: ",m_trade.ResultRetcode(),

                     ", description of result: ",m_trade.ResultRetcodeDescription());

              }

            else

              {

               Print("Buy -> true. Result Retcode: ",m_trade.ResultRetcode(),

                     ", description of result: ",m_trade.ResultRetcodeDescription());

              }

           }

         else

           {

            Print("Buy -> false. Result Retcode: ",m_trade.ResultRetcode(),

                  ", description of result: ",m_trade.ResultRetcodeDescription());

           }

        }

//---

  }

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

//| Open Sell position                                               |

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

void OpenSell(double sl,double tp)

  {

   sl=m_symbol.NormalizePrice(sl);

   tp=m_symbol.NormalizePrice(tp);



//--- check volume before OrderSend to avoid "not enough money" error (CTrade)

   double check_open_short_lot=(double)(m_symbol.LotsMin()*InpNumberMinimumLots);

   double check_volume_lot=m_trade.CheckVolume(m_symbol.Name(),check_open_short_lot,m_symbol.Bid(),ORDER_TYPE_SELL);



   if(check_volume_lot!=0.0)

      if(check_volume_lot>=check_open_short_lot)

        {

         if(m_trade.Sell(check_open_short_lot,NULL,m_symbol.Bid(),sl,tp))

           {

            if(m_trade.ResultDeal()==0)

              {

               Print("Sell -> false. Result Retcode: ",m_trade.ResultRetcode(),

                     ", description of result: ",m_trade.ResultRetcodeDescription());

              }

            else

              {

               Print("Sell -> true. Result Retcode: ",m_trade.ResultRetcode(),

                     ", description of result: ",m_trade.ResultRetcodeDescription());

              }

           }

         else

           {

            Print("Sell -> false. Result Retcode: ",m_trade.ResultRetcode(),

                  ", description of result: ",m_trade.ResultRetcodeDescription());

           }

        }

//---

  }

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