SL TP BreakEven

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

//|                                              SL TP BreakEven.mq5 |

//|                              Copyright © 2019, Vladimir Karputov |

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

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

#property copyright "Copyright © 2019, Vladimir Karputov"

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

#property version   "1.000"

/*

   barabashkakvn Trading engine 3.009

*/

#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 ushort   InpStopLoss          = 15;          // Stop Loss, in pips (1.00045-1.00055=1 pips)

input ushort   InpTakeProfit        = 46;          // Take Profit, in pips (1.00045-1.00055=1 pips)

input ushort   InpTrailingFrequency = 10;          // Trailing, in seconds (< "10" -> only on a new bar)

input ushort   InpBreakevenStop     = 15;          // Breakeven Stop (min distance from price to Stop Loss, in pips

input ushort   InpBreakevenStep     = 5;           // Breakeven Step, in pips (1.00045-1.00055=1 pips)

//---

input bool     InpPrintLog          = false;       // Print log

input ulong    InpMagic             = 200;         // Magic number

//---

ulong  ExtSlippage=10;              // Slippage



double ExtStopLoss      = 0.0;      // Stop Loss      -> double

double ExtTakeProfit    = 0.0;      // Take Profit    -> double

double ExtBreakevenStop  = 0.0;     // Breakeven Stop -> double

double ExtBreakevenStep  = 0.0;     // Breakeven Step -> double



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

datetime ExtLastTrailing         = 0;        // "0" -> D'1970.01.01 00:00';

datetime ExtPrevBars             = 0;        // "0" -> D'1970.01.01 00:00';

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

//| Expert initialization function                                   |

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

int OnInit()

  {

//---

   if(InpBreakevenStop!=0 && InpBreakevenStep==0)

     {

      string err_text=(TerminalInfoString(TERMINAL_LANGUAGE)=="Russian")?

                      "Breakeven =52>7<>65=: ?0@0<5B@ \"Breakeven Step\" @025= =C;N!":

                      "Breakeven is not possible: parameter \"Breakeven Step\" is zero!";

      //--- when testing, we will only output to the log about incorrect input parameters

      if(MQLInfoInteger(MQL_TESTER))

        {

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

         return(INIT_FAILED);

        }

      else // if the Expert Advisor is run on the chart, tell the user about the error

        {

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

         return(INIT_PARAMETERS_INCORRECT);

        }

     }

//---

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

      return(INIT_FAILED);

   RefreshRates();

//---

   m_trade.SetExpertMagicNumber(InpMagic);

   m_trade.SetMarginMode();

   m_trade.SetTypeFillingBySymbol(m_symbol.Name());

   m_trade.SetDeviationInPoints(ExtSlippage);

//--- tuning for 3 or 5 digits

   int digits_adjust=1;

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

      digits_adjust=10;

   ExtAdjustedPoint=m_symbol.Point()*digits_adjust;



   ExtStopLoss       = InpStopLoss        * ExtAdjustedPoint;

   ExtTakeProfit     = InpTakeProfit      * ExtAdjustedPoint;

   ExtBreakevenStop  = InpBreakevenStop   * ExtAdjustedPoint;

   ExtBreakevenStep  = InpBreakevenStep   * ExtAdjustedPoint;

//---

   return(INIT_SUCCEEDED);

  }

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

//| Expert deinitialization function                                 |

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

void OnDeinit(const int reason)

  {

//---



  }

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

//| Expert tick function                                             |

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

void OnTick()

  {

//---

   if(InpTrailingFrequency>=10) // trailing no more than once every 10 seconds

     {

      datetime time_current=TimeCurrent();

      if(time_current-ExtLastTrailing>10)

        {

         double level;

         if(FreezeStopsLevels(level))

            Trailing(level);

         ExtLastTrailing=time_current;

        }

     }

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

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

   if(time_0==ExtPrevBars)

      return;

   ExtPrevBars=time_0;

   if(!RefreshRates())

     {

      ExtPrevBars=0; return;

     }

   if(InpTrailingFrequency<10) // trailing only at the time of the birth of new bar

     {

      double level;

      if(FreezeStopsLevels(level))

         Trailing(level);

     }

//---

  }

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

//| 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 Freeze and Stops levels                                    |

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

bool FreezeStopsLevels(double &level)

  {

//--- check Freeze and Stops levels

/*

   Type of order/position  |  Activation price  |  Check

   ------------------------|--------------------|--------------------------------------------

   Buy Limit order         |  Ask               |  Ask-OpenPrice  >= SYMBOL_TRADE_FREEZE_LEVEL

   Buy Stop order          |  Ask	            |  OpenPrice-Ask  >= SYMBOL_TRADE_FREEZE_LEVEL

   Sell Limit order        |  Bid	            |  OpenPrice-Bid  >= SYMBOL_TRADE_FREEZE_LEVEL

   Sell Stop order	      |  Bid	            |  Bid-OpenPrice  >= SYMBOL_TRADE_FREEZE_LEVEL

   Buy position            |  Bid	            |  TakeProfit-Bid >= SYMBOL_TRADE_FREEZE_LEVEL 

                           |                    |  Bid-StopLoss   >= SYMBOL_TRADE_FREEZE_LEVEL

   Sell position           |  Ask	            |  Ask-TakeProfit >= SYMBOL_TRADE_FREEZE_LEVEL

                           |                    |  StopLoss-Ask   >= SYMBOL_TRADE_FREEZE_LEVEL

                           

   Buying is done at the Ask price                 |  Selling is done at the Bid price

   ------------------------------------------------|----------------------------------

   TakeProfit        >= Bid                        |  TakeProfit        <= Ask

   StopLoss          <= Bid	                     |  StopLoss          >= Ask

   TakeProfit - Bid  >= SYMBOL_TRADE_STOPS_LEVEL   |  Ask - TakeProfit  >= SYMBOL_TRADE_STOPS_LEVEL

   Bid - StopLoss    >= SYMBOL_TRADE_STOPS_LEVEL   |  StopLoss - Ask    >= SYMBOL_TRADE_STOPS_LEVEL

*/

   if(!RefreshRates() || !m_symbol.Refresh())

      return(false);

//--- FreezeLevel -> for pending order and modification

   double freeze_level=m_symbol.FreezeLevel()*m_symbol.Point();

   if(freeze_level==0.0)

      freeze_level=(m_symbol.Ask()-m_symbol.Bid())*3.0;

   freeze_level*=1.1;

//--- StopsLevel -> for TakeProfit and StopLoss

   double stop_level=m_symbol.StopsLevel()*m_symbol.Point();

   if(stop_level==0.0)

      stop_level=(m_symbol.Ask()-m_symbol.Bid())*3.0;

   stop_level*=1.1;



   if(freeze_level<=0.0 || stop_level<=0.0)

      return(false);



   level=(freeze_level>stop_level)?freeze_level:stop_level;

//---

   return(true);

  }

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

//| Trailing                                                         |

//|   InpTrailingStop: min distance from price to Stop Loss          |

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

void Trailing(const double stop_level)

  {

/*

     Buying is done at the Ask price                 |  Selling is done at the Bid price

   ------------------------------------------------|----------------------------------

   TakeProfit        >= Bid                        |  TakeProfit        <= Ask

   StopLoss          <= Bid	                     |  StopLoss          >= Ask

   TakeProfit - Bid  >= SYMBOL_TRADE_STOPS_LEVEL   |  Ask - TakeProfit  >= SYMBOL_TRADE_STOPS_LEVEL

   Bid - StopLoss    >= SYMBOL_TRADE_STOPS_LEVEL   |  StopLoss - Ask    >= SYMBOL_TRADE_STOPS_LEVEL

*/

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

      if(m_position.SelectByIndex(i))

         if(m_position.Symbol()==m_symbol.Name())

           {

            double pos_sl           = m_position.StopLoss();

            double SL               = pos_sl;

            double SL_new           = 0.0;

            double pos_tp           = m_position.TakeProfit();

            double TP               = pos_tp;

            double pos_price_open   = m_position.PriceOpen();



            if(m_position.PositionType()==POSITION_TYPE_BUY)

              {

               if(pos_sl==0 && ExtStopLoss!=0.0)

                  SL=pos_price_open-ExtStopLoss;



               if(pos_tp==0 && ExtTakeProfit!=0.0)

                  TP=pos_price_open+ExtTakeProfit;



               if(pos_sl<pos_price_open && ExtBreakevenStop!=0.0)

                 {

                  SL_new=pos_price_open+ExtBreakevenStep;

                  if(SL_new+ExtBreakevenStop<=m_symbol.Bid())

                     SL=SL_new;

                 }

               if(SL!=pos_sl || TP!=pos_tp)

                 {

                  if(!m_trade.PositionModify(m_position.Ticket(),

                     m_symbol.NormalizePrice(SL),m_symbol.NormalizePrice(TP)))

                     Print("Modify buy ",m_position.Ticket(),

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

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

                  RefreshRates();

                  m_position.SelectByIndex(i);

                  PrintResultModify(m_trade,m_symbol,m_position);

                  continue;

                 }

              }

            else

              {

               if(pos_sl==0 && ExtStopLoss!=0.0)

                  SL=pos_price_open+ExtStopLoss;



               if(pos_tp==0 && ExtTakeProfit!=0.0)

                  TP=pos_price_open-ExtTakeProfit;



               if(pos_sl>pos_price_open && ExtBreakevenStop!=0.0)

                 {

                  SL_new=pos_price_open-ExtBreakevenStep;

                  if(SL_new-ExtBreakevenStop>=m_symbol.Ask())

                     SL=SL_new;

                 }

               if(SL!=pos_sl || TP!=pos_tp)

                 {

                  if(!m_trade.PositionModify(m_position.Ticket(),

                     m_symbol.NormalizePrice(SL),m_symbol.NormalizePrice(TP)))

                     Print("Modify sell ",m_position.Ticket(),

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

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

                  RefreshRates();

                  m_position.SelectByIndex(i);

                  PrintResultModify(m_trade,m_symbol,m_position);

                  continue;

                 }

              }

           }

  }

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

//| Print CTrade result                                              |

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

void PrintResultModify(CTrade &trade,CSymbolInfo &symbol,CPositionInfo &position)

  {

   Print("File: ",__FILE__,", symbol: ",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());

   Print("Freeze Level: "+DoubleToString(symbol.FreezeLevel(),0),", Stops Level: "+DoubleToString(symbol.StopsLevel(),0));

   Print("Price of position opening: "+DoubleToString(position.PriceOpen(),symbol.Digits()));

   Print("Price of position's Stop Loss: "+DoubleToString(position.StopLoss(),symbol.Digits()));

   Print("Price of position's Take Profit: "+DoubleToString(position.TakeProfit(),symbol.Digits()));

   Print("Current price by position: "+DoubleToString(position.PriceCurrent(),symbol.Digits()));

   int d=0;

  }

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

//| 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())

            return(true);

//---

   return(false);

  }

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