Russian20-hp1

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

//|                                                Russian20-hp1.mq5 |

//|                           Copyright 2005, Gordago Software Corp. |

//|                                          http://www.gordago.com/ |

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

#property copyright "Copyright 2005, Gordago Software Corp."

#property link      "http://www.gordago.com"

#property version   "1.000"

//---

#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 double   InpLots           = 0.01;     // Lots

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

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

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

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

input bool     InpEveryTick      = false;    // work on every tick

input ENUM_TIMEFRAMES      Inp_TimeFrame=PERIOD_H2;            // work timeframe 

//--- Moving Average

input int                  Inp_MA_ma_period     = 20;          // MA: averaging period 

input int                  Inp_MA_ma_shift      = 0;           // MA: horizontal shift 

input ENUM_MA_METHOD       Inp_MA_ma_method     = MODE_SMA;    // MA: smoothing type 

input ENUM_APPLIED_PRICE   Inp_MA_applied_price = PRICE_CLOSE; // MA: type of price 

//--- Momentum

input int                  Inp_Mom_mom_period   = 5;           // Momentum: averaging period 

input ENUM_APPLIED_PRICE   Inp_Mom_applied_price= PRICE_CLOSE; // Momentum: type of price 

//---

input ulong    m_magic=660512475;            // magic number

//---

ulong          m_slippage=10;                // slippage



double         ExtStopLossBuy=0.0;

double         ExtTakeProfitBuy=0.0;

double         ExtStopLossSell=0.0;

double         ExtTakeProfitSell=0.0;



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

int            handle_iMomentum;             // variable for storing the handle of the iMomentum indicator 



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

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

//| Expert initialization function                                   |

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

int OnInit()

  {

//---

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

      return(INIT_FAILED);

   RefreshRates();



   string err_text="";

   if(!CheckVolumeValue(InpLots,err_text))

     {

      Print(__FUNCTION__,", ERROR: ",err_text);

      return(INIT_PARAMETERS_INCORRECT);

     }

//---

   m_trade.SetExpertMagicNumber(m_magic);

   m_trade.SetMarginMode();

   m_trade.SetTypeFillingBySymbol(m_symbol.Name());

   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;



   ExtStopLossBuy    = InpStopLossBuy     * m_adjusted_point;

   ExtTakeProfitBuy  = InpTakeProfitBuy   * m_adjusted_point;

   ExtStopLossSell   = InpStopLossSell    * m_adjusted_point;

   ExtTakeProfitSell = InpTakeProfitSell  * m_adjusted_point;

//--- create handle of the indicator iMA

   handle_iMA=iMA(m_symbol.Name(),Inp_TimeFrame,Inp_MA_ma_period,Inp_MA_ma_shift,

                  Inp_MA_ma_method,Inp_MA_applied_price);

//--- if the handle is not created 

   if(handle_iMA==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(Inp_TimeFrame),

                  GetLastError());

      //--- the indicator is stopped early 

      return(INIT_FAILED);

     }

//--- create handle of the indicator iMomentum

   handle_iMomentum=iMomentum(m_symbol.Name(),Inp_TimeFrame,Inp_Mom_mom_period,Inp_Mom_applied_price);

//--- if the handle is not created 

   if(handle_iMomentum==INVALID_HANDLE)

     {

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

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

                  m_symbol.Name(),

                  EnumToString(Inp_TimeFrame),

                  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()

  {

   if(!InpEveryTick)

     {

      //--- we work only at the time of the birth of new bar

      static datetime PrevBars=0;

      datetime time_0=iTime(m_symbol.Name(),Inp_TimeFrame,0);

      if(time_0==PrevBars)

         return;

      PrevBars=time_0;

     }

//---

   double diClose0   = iClose(m_symbol.Name(),Inp_TimeFrame,0);

   double diClose1   = iClose(m_symbol.Name(),Inp_TimeFrame,1);

   double diMA0      = iMAGet(0);

   double diMomentum0= iMomentumGet(0);

//---

   if(!IsPositionExists())

     {

      if((diClose0>diMA0 && diMomentum0>100.0 && diClose0>diClose1))

        {

         if(!RefreshRates())

            return;

         double sl=(InpStopLossBuy==0)?0.0:m_symbol.Ask()-ExtStopLossBuy;

         if(sl>=m_symbol.Bid()) // incident: the position isn't opened yet, and has to be already closed

            return;

         double tp=(InpTakeProfitBuy==0)?0.0:m_symbol.Ask()+ExtTakeProfitBuy;

         OpenBuy(sl,tp);

         return;

        }

      if((diClose0<diMA0 && diMomentum0<100.0 && diClose0<diClose1))

        {

         if(!RefreshRates())

            return;

         double sl=(InpStopLossSell==0)?0.0:m_symbol.Bid()+ExtStopLossSell;

         if(sl<=m_symbol.Ask()) // incident: the position isn't opened yet, and has to be already closed

            return;

         double tp=(InpTakeProfitSell==0)?0.0:m_symbol.Bid()-ExtTakeProfitSell;

         OpenSell(sl,tp);

         return;

        }

     }

   else

     {

      if((diMomentum0<100.0))

        {

         ClosePositions(POSITION_TYPE_BUY);

         return;

        }

      if((diMomentum0>100.0))

        {

         ClosePositions(POSITION_TYPE_SELL);

         return;

        }

     }

  }

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

//| TradeTransaction function                                        |

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

void OnTradeTransaction(const MqlTradeTransaction &trans,

                        const MqlTradeRequest &request,

                        const MqlTradeResult &result)

  {

//---



  }

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

//| Refreshes the symbol quotes data                                 |

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

bool RefreshRates(void)

  {

//--- refresh rates

   if(!m_symbol.RefreshRates())

     {

      Print("RefreshRates error");

      return(false);

     }

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

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

      return(false);

//---

   return(true);

  }

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

//| Check the correctness of the position volume                     |

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

bool CheckVolumeValue(double volume,string &error_description)

  {

//--- minimal allowed volume for trade operations

   double min_volume=m_symbol.LotsMin();

   if(volume<min_volume)

     {

      if(TerminalInfoString(TERMINAL_LANGUAGE)=="Russian")

         error_description=StringFormat("1J5< <5=LH5 <8=8<0;L=> 4>?CAB8<>3> SYMBOL_VOLUME_MIN=%.2f",min_volume);

      else

         error_description=StringFormat("Volume is less than the minimal allowed SYMBOL_VOLUME_MIN=%.2f",min_volume);

      return(false);

     }

//--- maximal allowed volume of trade operations

   double max_volume=m_symbol.LotsMax();

   if(volume>max_volume)

     {

      if(TerminalInfoString(TERMINAL_LANGUAGE)=="Russian")

         error_description=StringFormat("1J5< 1>;LH5 <0:A8<0;L=> 4>?CAB8<>3> SYMBOL_VOLUME_MAX=%.2f",max_volume);

      else

         error_description=StringFormat("Volume is greater than the maximal allowed SYMBOL_VOLUME_MAX=%.2f",max_volume);

      return(false);

     }

//--- get minimal step of volume changing

   double volume_step=m_symbol.LotsStep();

   int ratio=(int)MathRound(volume/volume_step);

   if(MathAbs(ratio*volume_step-volume)>0.0000001)

     {

      if(TerminalInfoString(TERMINAL_LANGUAGE)=="Russian")

         error_description=StringFormat("1J5< =5 :@0B5= <8=8<0;L=><C H03C SYMBOL_VOLUME_STEP=%.2f, 1;8609H89 ?@028;L=K9 >1J5< %.2f",

                                        volume_step,ratio*volume_step);

      else

         error_description=StringFormat("Volume is not a multiple of the minimal step SYMBOL_VOLUME_STEP=%.2f, the closest correct volume is %.2f",

                                        volume_step,ratio*volume_step);

      return(false);

     }

   error_description="Correct volume value";

   return(true);

  }

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

//| Is position exists                                               |

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

bool IsPositionExists(void)

  {

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

            return(true);

//---

   return(false);

  }

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

//| Get value of buffers for the iMA                                 |

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

double iMAGet(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]);

  }

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

//| Get value of buffers for the iMomentum                           |

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

double iMomentumGet(const int index)

  {

   double Momentum[];

//--- reset error code 

   ResetLastError();

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

   if(CopyBuffer(handle_iMomentum,0,0,index+1,Momentum)<0)

     {

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

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

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

      return(0.0);

     }

   return(Momentum[index]);

  }

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

//| Close positions                                                  |

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

void ClosePositions(const ENUM_POSITION_TYPE pos_type)

  {

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

            if(m_position.PositionType()==pos_type) // gets the position type

               m_trade.PositionClose(m_position.Ticket()); // close a position by the specified symbol

  }

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

//| 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_volume_lot=m_trade.CheckVolume(m_symbol.Name(),InpLots,m_symbol.Ask(),ORDER_TYPE_BUY);



   if(check_volume_lot!=0.0)

     {

      if(check_volume_lot>=InpLots)

        {

         if(m_trade.Buy(InpLots,m_symbol.Name(),m_symbol.Ask(),sl,tp))

           {

            if(m_trade.ResultDeal()==0)

              {

               Print(__FUNCTION__,", #1 Buy -> false. Result Retcode: ",m_trade.ResultRetcode(),

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

               PrintResultTrade(m_trade,m_symbol);

              }

            else

              {

               Print(__FUNCTION__,", #2 Buy -> true. Result Retcode: ",m_trade.ResultRetcode(),

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

               PrintResultTrade(m_trade,m_symbol);

              }

           }

         else

           {

            Print(__FUNCTION__,", #3 Buy -> false. Result Retcode: ",m_trade.ResultRetcode(),

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

            PrintResultTrade(m_trade,m_symbol);

           }

        }

      else

        {

         Print(__FUNCTION__,", ERROR: method CheckVolume (",DoubleToString(check_volume_lot,2),") ",

               "< Lots (",DoubleToString(InpLots,2),")");

         return;

        }

     }

   else

     {

      Print(__FUNCTION__,", ERROR: method CheckVolume returned the value of \"0.0\"");

      return;

     }

//---

  }

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

//| 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_volume_lot=m_trade.CheckVolume(m_symbol.Name(),InpLots,m_symbol.Bid(),ORDER_TYPE_SELL);



   if(check_volume_lot!=0.0)

     {

      if(check_volume_lot>=InpLots)

        {

         if(m_trade.Sell(InpLots,m_symbol.Name(),m_symbol.Bid(),sl,tp))

           {

            if(m_trade.ResultDeal()==0)

              {

               Print(__FUNCTION__,", #1 Sell -> false. Result Retcode: ",m_trade.ResultRetcode(),

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

               PrintResultTrade(m_trade,m_symbol);

              }

            else

              {

               Print(__FUNCTION__,", #2 Sell -> true. Result Retcode: ",m_trade.ResultRetcode(),

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

               PrintResultTrade(m_trade,m_symbol);

              }

           }

         else

           {

            Print(__FUNCTION__,", #3 Sell -> false. Result Retcode: ",m_trade.ResultRetcode(),

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

            PrintResultTrade(m_trade,m_symbol);

           }

        }

      else

        {

         Print(__FUNCTION__,", ERROR: method CheckVolume (",DoubleToString(check_volume_lot,2),") ",

               "< Lots (",DoubleToString(InpLots,2),")");

         return;

        }

     }

   else

     {

      Print(__FUNCTION__,", ERROR: method CheckVolume returned the value of \"0.0\"");

      return;

     }

//---

  }

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

//| Print CTrade result                                              |

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

void PrintResultTrade(CTrade &trade,CSymbolInfo &symbol)

  {

   Print("File: ",__FILE__,", symbol: ",m_symbol.Name());

   Print("Code of request result: "+IntegerToString(trade.ResultRetcode()));

   Print("code of request result as a string: "+trade.ResultRetcodeDescription());

   Print("Deal ticket: "+IntegerToString(trade.ResultDeal()));

   Print("Order ticket: "+IntegerToString(trade.ResultOrder()));

   Print("Volume of deal or order: "+DoubleToString(trade.ResultVolume(),2));

   Print("Price, confirmed by broker: "+DoubleToString(trade.ResultPrice(),symbol.Digits()));

   Print("Current bid price: "+DoubleToString(symbol.Bid(),symbol.Digits())+" (the requote): "+DoubleToString(trade.ResultBid(),symbol.Digits()));

   Print("Current ask price: "+DoubleToString(symbol.Ask(),symbol.Digits())+" (the requote): "+DoubleToString(trade.ResultAsk(),symbol.Digits()));

   Print("Broker comment: "+trade.ResultComment());

  }

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