EMA_v1

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

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

//|                                                          8B0;8: |

//|                                                   wwwita@mail.ru |

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

#property version   "1.001"

//---

#include <Trade\PositionInfo.mqh>

#include <Trade\Trade.mqh>

#include <Trade\SymbolInfo.mqh>  

#include <Trade\AccountInfo.mqh>

CPositionInfo  m_position;                   // trade position object

CTrade         m_trade;                      // trading object

CSymbolInfo    m_symbol;                     // symbol info object

CAccountInfo   m_account;                    // account info wrapper

//---

input double   Lots                 = 0.1;   // Lots

input ushort   InpVirtualProfitPips = 5;     // Virtual Profit Pips

input ushort   InpMoveBack          = 3;     // MoveBack 

input ushort   InpStopLoss          = 20;    // StopLoss

//---

int            check                = 0;

double         ExtVirtualProfitPips = 0.0;   //  

double         ExtMoveBack          = 0.0;   //  

double         ExtVirtualStopLoss=0.0;   // 

ulong          m_magic= 8317357;             // magic number

ulong          m_slippage= 30;               // slippage

int            handle_iMA_one;               // variable for storing the handle of the iMA indicator 

int            handle_iMA_two;               // variable for storing the handle of the iMA indicator 

ENUM_ACCOUNT_MARGIN_MODE m_margin_mode;

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

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

//| Expert initialization function                                   |

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

int OnInit()

  {

//---

   SetMarginMode();

   if(!IsHedging())

     {

      Print("Hedging only!");

      return(INIT_FAILED);

     }

//---

   m_symbol.Name(Symbol());                  // sets symbol name

   if(!RefreshRates())

     {

      Print("Error RefreshRates. Bid=",DoubleToString(m_symbol.Bid(),Digits()),

            ", Ask=",DoubleToString(m_symbol.Ask(),Digits()));

      return(INIT_FAILED);

     }

   m_symbol.Refresh();

//---

   m_trade.SetExpertMagicNumber(m_magic);

//---

   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;



   check                = 0;

   ExtVirtualProfitPips = InpVirtualProfitPips * m_adjusted_point;

   ExtMoveBack          = InpMoveBack * m_adjusted_point;

   ExtVirtualStopLoss   = InpStopLoss * m_adjusted_point;

//--- create handle of the indicator iMA

   handle_iMA_one=iMA(m_symbol.Name(),Period(),5,0,MODE_EMA,PRICE_MEDIAN);

//--- if the handle is not created 

   if(handle_iMA_one==INVALID_HANDLE)

     {

      //--- tell about the failure and output the error code 

      PrintFormat("Failed to create handle of the iMA indicator for the symbol %s/%s, error code %d",

                  m_symbol.Name(),

                  EnumToString(Period()),

                  GetLastError());

      //--- the indicator is stopped early 

      return(INIT_FAILED);

     }

//--- create handle of the indicator iMA

   handle_iMA_two=iMA(m_symbol.Name(),Period(),10,0,MODE_EMA,PRICE_MEDIAN);

//--- if the handle is not created 

   if(handle_iMA_two==INVALID_HANDLE)

     {

      //--- tell about the failure and output the error code 

      PrintFormat("Failed to create handle of the iMA indicator for the symbol %s/%s, error code %d",

                  m_symbol.Name(),

                  EnumToString(Period()),

                  GetLastError());

      //--- the indicator is stopped early 

      return(INIT_FAILED);

     }

//---

   return(INIT_SUCCEEDED);

  }

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

//| Expert deinitialization function                                 |

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

void OnDeinit(const int reason)

  {

//---



  }

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

//| Expert tick function                                             |

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

void OnTick()

  {

//---

   double hi=iHigh(m_symbol.Name(),Period(),1);

   double lo=iLow(m_symbol.Name(),Period(),1);

   double EMA_one_1=iMAGet(handle_iMA_one,1);

   double EMA_two_1=iMAGet(handle_iMA_two,1);

   double EMA_one_0=iMAGet(handle_iMA_one,0);

   double EMA_two_0=iMAGet(handle_iMA_two,0);



   int total=0;

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

            total++;



   if(total<1)

     {

      if(m_account.FreeMargin()<(1000*Lots))

        {

         Print("# 20A =5B 45=53. !2>1>4=K5 A@54AB20 = ",DoubleToString(m_account.FreeMargin(),2));

         return;

        }

      if(((EMA_one_1>EMA_two_1) && (EMA_one_0<EMA_two_0)) || ((EMA_one_1<EMA_two_1) && (EMA_one_0>EMA_two_0)))

        {

         check=1;

         Print(">78F8O 2>7<>6=0!");

        }

      if(check==1)

        {

         if(!RefreshRates())

            return;



         if(EMA_two_0-EMA_one_0>2*m_adjusted_point && m_symbol.Bid()>=(lo+ExtMoveBack))

           {

            if(m_trade.Sell(Lots))

              {

               if(m_trade.ResultDeal()==0)

                 {

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

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

                  return;

                 }

               else

                 {

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

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

                  check=0;

                 }

              }

            else

              {

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

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

               return;

              }

           }

         if(EMA_one_0-EMA_two_0>2*m_adjusted_point && m_symbol.Ask()<=(hi-ExtMoveBack))

           {

            if(m_trade.Buy(Lots))

              {

               if(m_trade.ResultDeal()==0)

                 {

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

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

                  return;

                 }

               else

                 {

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

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

                  check=0;

                 }

              }

            else

              {

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

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

               return;

              }

           }

        }

      return;

     }

//---

   for(int i=PositionsTotal()-1;i>=0;i--)

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

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

           {

            if(!RefreshRates())

               return;



            if(m_position.PositionType()==POSITION_TYPE_BUY)

              {

               // ?@>25@8<, <>65B C65 ?>@0 70:@K20BLAO?

               if(m_symbol.Bid()>=(m_position.PriceOpen()+ExtVirtualProfitPips))

                 {

                  check=0;

                  m_trade.PositionClose(m_position.Ticket()); // 70:@K205< ?>78F8N

                  return; // 2KE>48<

                 }

               if(m_symbol.Bid()<=(m_position.PriceOpen()-ExtVirtualStopLoss))

                 {

                  check=0;

                  m_trade.PositionClose(m_position.Ticket()); // 70:@K205< ?>78F8N

                  return; // 2KE>48<

                 }

              }



            if(m_position.PositionType()==POSITION_TYPE_SELL)

              {

               // ?@>25@8<, <>65B C65 ?>@0 70:@K20BLAO?

               if(m_symbol.Ask()<=(m_position.PriceOpen()-ExtVirtualProfitPips))

                 {

                  check=0;

                  m_trade.PositionClose(m_position.Ticket()); // 70:@K205< ?>78F8N

                  return; // 2KE>48<

                 }

               if(m_symbol.Ask()>=(m_position.PriceOpen()+ExtVirtualStopLoss))

                 {

                  check=0;

                  m_trade.PositionClose(m_position.Ticket()); // 70:@K205< ?>78F8N

                  return; // 2KE>48<

                 }

              }

           }

   return;

  }

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

//|                                                                  |

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

void SetMarginMode(void)

  {

   m_margin_mode=(ENUM_ACCOUNT_MARGIN_MODE)AccountInfoInteger(ACCOUNT_MARGIN_MODE);

  }

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

//|                                                                  |

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

bool IsHedging(void)

  {

   return(m_margin_mode==ACCOUNT_MARGIN_MODE_RETAIL_HEDGING);

  }

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

//| 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);

  }

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

//| Get value of buffers for the iMA                                 |

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

double iMAGet(int handle_iMA,const int index)

  {

   double MA[1];

//--- reset error code 

   ResetLastError();

//--- fill a part of the iMABuffer array with values from the indicator buffer that has 0 index 

   if(CopyBuffer(handle_iMA,0,index,1,MA)<0)

     {

      //--- if the copying fails, tell the error code 

      PrintFormat("Failed to copy data from the iMA indicator, error code %d",GetLastError());

      //--- quit with zero result - it means that the indicator is considered as not calculated 

      return(0.0);

     }

   return(MA[0]);

  }

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