Pending Stop Trailing

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

//|                                        Pending Stop Trailing.mq5 |

//|                              Copyright © 2019, Vladimir Karputov |

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

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

#property copyright "Copyright © 2019, Vladimir Karputov"

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

#property version   "1.100"

/*

   barabashkakvn Trading engine 3.024

*/

#include <Trade\PositionInfo.mqh>

#include <Trade\Trade.mqh>

#include <Trade\SymbolInfo.mqh>  

#include <Trade\AccountInfo.mqh>

#include <Trade\DealInfo.mqh>

#include <Trade\OrderInfo.mqh>

#include <Expert\Money\MoneyFixedMargin.mqh>

CPositionInfo  m_position;                   // trade position object

CTrade         m_trade;                      // trading object

CSymbolInfo    m_symbol;                     // symbol info object

CAccountInfo   m_account;                    // account info wrapper

CDealInfo      m_deal;                       // deals object

COrderInfo     m_order;                      // pending orders object

CMoneyFixedMargin *m_money;

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

//| Enum Lor or Risk                                                 |

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

enum ENUM_LOT_OR_RISK

  {

   lots_min=0, // Lots Min

   lot=1,      // Constant lot

   risk=2,     // Risk in percent for a deal

  };

//--- input parameters

input ushort   InpStopLoss          = 35;          // Stop Loss, in pips (1.00045-1.00055=1 pips)

input ushort   InpTakeProfit        = 15;          // Take Profit, in pips (1.00045-1.00055=1 pips)

input ushort   InpTrailingFrequency = 35;          // Trailing, in seconds (< "10" -> only on a new bar)

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

input ushort   InpTrailingStop      = 25;          // Trailing Stop (min distance from price to Stop Loss, in pips

input ushort   InpTrailingStep      = 15;          // Trailing Step, in pips (1.00045-1.00055=1 pips)

input ENUM_LOT_OR_RISK InpLotOrRisk = lots_min;    // Money management: Lot OR Risk

input double   InpVolumeLotOrRisk   = 3.0;         // The value for "Money management"

input ushort   InpIndent            = 5;           // Indent, in pips (1.00045-1.00055=1 pips)

input bool     InpTimeControl       = true;        // Use time control

input uchar    InpStartHour         = 10;          // Start Hour 

input uchar    InpStartMinute       = 01;          // Start Minute 

input uchar    InpEndHour           = 15;          // End Hour 

input uchar    InpEndMinute         = 02;          // End Minute

input ushort   InpSpreadMax         = 12;          // Spread Max, in points (1.00045-1.00055=10 pointsN)

//---

input bool     InpPrintLog          = false;       // Print log

input ulong    InpMagic             = 33783779;    // Magic number

//---

ulong    ExtSlippage=10;              // Slippage



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

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

double   ExtTrailingStop  = 0.0;      // Trailing Stop  -> double

double   ExtTrailingStep  = 0.0;      // Trailing Step  -> double

double   ExtIndent        = 0.0;      // Indent  -> double



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

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

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

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

bool     ExtNeedDeleteAll=false;             // delete all pending orders

bool     ExtWaitingPendingOrder=false;       // waiting for a pending order

//--- B0:B8:0 B0:0O: **

//---    0 >B;>65==K5 >@45@0 (5A;8 ?@>H;0 ?@>25@:0 ?> A?@54C) 

//---    ?@>AB> 2KAB@5;8205< 8 >1=C;O5< <0AA82K AB@C:BC@

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

//| Structure Need Pending                                           |

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

struct STRUCT_NEED_PENDING

  {

   ENUM_ORDER_TYPE   pending_type;           // pending type

   double            volume;                 // volume

   double            price;                  // price

   ulong             magic;                  // magic

   //--- Constructor 

                     STRUCT_NEED_PENDING()

     {

      pending_type               = WRONG_VALUE;

      volume                     = 0.0;

      price                      = 0.0;

      magic                      = 0;

     }

  };

STRUCT_NEED_PENDING SNeedPending[];

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

//| Expert initialization function                                   |

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

int OnInit()

  {

//---

   if(InpTrailingStop!=0 && InpTrailingStep==0)

     {

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

                      ""@59;8=3 =52>7<>65=: ?0@0<5B@ \"Trailing Step\" @025= =C;N!":

                      "Trailing is not possible: parameter \"Trailing 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;

   ExtTrailingStop   = InpTrailingStop    * ExtAdjustedPoint;

   ExtTrailingStep   = InpTrailingStep    * ExtAdjustedPoint;

   ExtIndent         = InpIndent          * ExtAdjustedPoint;

//--- check the input parameter "Lots"

   string err_text="";

   if(InpLotOrRisk==lot)

     {

      if(!CheckVolumeValue(InpVolumeLotOrRisk,err_text))

        {

         //--- 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);

           }

        }

     }

   else if(InpLotOrRisk==risk)

     {

      if(m_money!=NULL)

         delete m_money;

      m_money=new CMoneyFixedMargin;

      if(m_money!=NULL)

        {

         if(InpVolumeLotOrRisk<1 || InpVolumeLotOrRisk>100)

           {

            Print("The value for \"Money management\" (",DoubleToString(InpVolumeLotOrRisk,2),") -> invalid parameters");

            Print("   parameter must be in the range: from 1.00 to 100.00");

            return(INIT_FAILED);

           }

         if(!m_money.Init(GetPointer(m_symbol),Period(),m_symbol.Point()*digits_adjust))

            return(INIT_FAILED);

         m_money.Percent(InpVolumeLotOrRisk);

        }

      else

        {

         Print(__FUNCTION__,", ERROR: Object CMoneyFixedMargin is NULL");

         return(INIT_FAILED);

        }

     }

//---

   return(INIT_SUCCEEDED);

  }

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

//| Expert deinitialization function                                 |

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

void OnDeinit(const int reason)

  {

//---

   if(m_money!=NULL)

      delete m_money;

  }

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

//| Expert tick function                                             |

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

void OnTick()

  {

   if(ExtNeedDeleteAll)

     {

      if(IsPendingOrdersExists())

        {

         double level;

         if(FreezeStopsLevels(level))

           {

            DeleteAllPendingOrders(level);  return;

           }

         else

            return;

        }

      else

         ExtNeedDeleteAll=false;

     }

//---

   int size_need_pending=ArraySize(SNeedPending);

   if(size_need_pending>0)

     {

      if(!ExtWaitingPendingOrder)

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

           {

            double level;

            if(FreezeStopsLevels(level))

              {

               ExtWaitingPendingOrder=true;

               PlaceOrders(i,SNeedPending[i].pending_type,level,SNeedPending[i].magic);

              }

           }

      return;

     }

//---

   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);

         else

            return;

         ExtLastTrailing=time_current;

        }

     }

   if(InpSignalsFrequency>=10) // search for trading signals no more than once every 10 seconds

     {

      datetime time_current=TimeCurrent();

      if(time_current-ExtLastSignals>10)

        {

         //--- search for trading signals

         if(!RefreshRates())

           {

            ExtPrevBars=0; return;

           }

         if(!SearchTradingSignals())

           {

            ExtPrevBars=0; return;

           }

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

     {

      double level;

      if(FreezeStopsLevels(level))

         Trailing(level);

     }

   if(InpSignalsFrequency<10) // search for trading signals only at the time of the birth of new bar

     {

      if(!RefreshRates())

        {

         ExtPrevBars=0; return;

        }

      //--- search for trading signals

      if(!SearchTradingSignals())

        {

         ExtPrevBars=0; return;

        }

     }

//---

  }

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

//| TradeTransaction function                                        |

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

void OnTradeTransaction(const MqlTradeTransaction &trans,

                        const MqlTradeRequest &request,

                        const MqlTradeResult &result)

  {

//--- get transaction type as enumeration value 

   ENUM_TRADE_TRANSACTION_TYPE type=trans.type;

//--- if transaction is result of addition of the transaction in history

   if(type==TRADE_TRANSACTION_DEAL_ADD)

     {

      long     deal_ticket       =0;

      long     deal_order        =0;

      long     deal_time         =0;

      long     deal_time_msc     =0;

      long     deal_type         =-1;

      long     deal_entry        =-1;

      long     deal_magic        =0;

      long     deal_reason       =-1;

      long     deal_position_id  =0;

      double   deal_volume       =0.0;

      double   deal_price        =0.0;

      double   deal_commission   =0.0;

      double   deal_swap         =0.0;

      double   deal_profit       =0.0;

      string   deal_symbol       ="";

      string   deal_comment      ="";

      string   deal_external_id  ="";

      if(HistoryDealSelect(trans.deal))

        {

         deal_ticket       =HistoryDealGetInteger(trans.deal,DEAL_TICKET);

         deal_order        =HistoryDealGetInteger(trans.deal,DEAL_ORDER);

         deal_time         =HistoryDealGetInteger(trans.deal,DEAL_TIME);

         deal_time_msc     =HistoryDealGetInteger(trans.deal,DEAL_TIME_MSC);

         deal_type         =HistoryDealGetInteger(trans.deal,DEAL_TYPE);

         deal_entry        =HistoryDealGetInteger(trans.deal,DEAL_ENTRY);

         deal_magic        =HistoryDealGetInteger(trans.deal,DEAL_MAGIC);

         deal_reason       =HistoryDealGetInteger(trans.deal,DEAL_REASON);

         deal_position_id  =HistoryDealGetInteger(trans.deal,DEAL_POSITION_ID);



         deal_volume       =HistoryDealGetDouble(trans.deal,DEAL_VOLUME);

         deal_price        =HistoryDealGetDouble(trans.deal,DEAL_PRICE);

         deal_commission   =HistoryDealGetDouble(trans.deal,DEAL_COMMISSION);

         deal_swap         =HistoryDealGetDouble(trans.deal,DEAL_SWAP);

         deal_profit       =HistoryDealGetDouble(trans.deal,DEAL_PROFIT);



         deal_symbol       =HistoryDealGetString(trans.deal,DEAL_SYMBOL);

         deal_comment      =HistoryDealGetString(trans.deal,DEAL_COMMENT);

         deal_external_id  =HistoryDealGetString(trans.deal,DEAL_EXTERNAL_ID);

        }

      else

         return;

      ENUM_DEAL_ENTRY enum_deal_entry=(ENUM_DEAL_ENTRY)deal_entry;

      if(deal_symbol==m_symbol.Name() && deal_magic==InpMagic)

        {

         if(deal_type==DEAL_TYPE_BUY || deal_type==DEAL_TYPE_SELL)

           {

            if(deal_entry==DEAL_ENTRY_IN)

               ExtNeedDeleteAll=true;

           }

        }

     }

  }

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

//| 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);

  }

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

//| Lot Check                                                        |

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

double LotCheck(double lots)

  {

//--- calculate maximum volume

   double volume=NormalizeDouble(lots,2);

   double stepvol=m_symbol.LotsStep();

   if(stepvol>0.0)

      volume=stepvol*MathFloor(volume/stepvol);

//---

   double minvol=m_symbol.LotsMin();

   if(volume<minvol)

      volume=0.0;

//---

   double maxvol=m_symbol.LotsMax();

   if(volume>maxvol)

      volume=maxvol;

   return(volume);

  }

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

//| 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;

//--- 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;



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

      return(false);



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



   double spread=m_symbol.Spread()*ExtAdjustedPoint;

   level=(level>spread)?level:spread;

//---

   return(true);

  }

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

//| Print CTrade result                                              |

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

void PrintResultTrade(CTrade &trade,CSymbolInfo &symbol)

  {

   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());

  }

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

//| 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

*/

   if(InpTrailingStop==0)

      return;

   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() && m_position.Magic()==InpMagic)

           {

            if(m_position.PositionType()==POSITION_TYPE_BUY)

              {

               if(m_position.PriceCurrent()-m_position.PriceOpen()>ExtTrailingStop+ExtTrailingStep)

                  if(m_position.StopLoss()<m_position.PriceCurrent()-(ExtTrailingStop+ExtTrailingStep))

                     if(ExtTrailingStop>=stop_level)

                       {

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

                           m_symbol.NormalizePrice(m_position.PriceCurrent()-ExtTrailingStop),

                           m_position.TakeProfit()))

                           Print("Modify ",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(m_position.PriceOpen()-m_position.PriceCurrent()>ExtTrailingStop+ExtTrailingStep)

                  if((m_position.StopLoss()>(m_position.PriceCurrent()+(ExtTrailingStop+ExtTrailingStep))) || 

                     (m_position.StopLoss()==0))

                     if(ExtTrailingStop>=stop_level)

                       {

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

                           m_symbol.NormalizePrice(m_position.PriceCurrent()+ExtTrailingStop),

                           m_position.TakeProfit()))

                           Print("Modify ",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);

                       }

              }



           }

  }

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

//| 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()));

  }

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

//| Search trading signals                                           |

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

bool SearchTradingSignals(void)

  {

   int count_buy_stops  = 0;

   int count_sell_stops = 0;

   CalculateAllPendingOrders(count_buy_stops,count_sell_stops);



   if(!TimeControlHourMinute() || (m_symbol.Ask()-m_symbol.Bid())/m_symbol.Point()>InpSpreadMax)

     {

      if(count_buy_stops>0 || count_sell_stops>0)

         ExtNeedDeleteAll=true;

      return(true);

     }



   if(IsPositionExists())

      return(true);



   if(count_buy_stops==0)

     {

      int size_need_pending=ArraySize(SNeedPending);

      ArrayResize(SNeedPending,size_need_pending+1);

      SNeedPending[size_need_pending].pending_type=ORDER_TYPE_BUY_STOP;

      SNeedPending[size_need_pending].magic=InpMagic;

     }

   if(count_sell_stops==0)

     {

      int size_need_pending=ArraySize(SNeedPending);

      ArrayResize(SNeedPending,size_need_pending+1);

      SNeedPending[size_need_pending].pending_type=ORDER_TYPE_SELL_STOP;

      SNeedPending[size_need_pending].magic=InpMagic;

     }



   if(count_buy_stops>0.0 || count_sell_stops>0.0)

     {

      double level;

      if(FreezeStopsLevels(level))

        {

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

            if(m_order.SelectByIndex(i)) // selects the pending order by index for further access to its properties

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

                 {

                  if(m_order.OrderType()==ORDER_TYPE_BUY_STOP)

                    {

                     if(m_order.PriceOpen()-m_symbol.Ask()>=level)

                       {

                        double new_price=m_symbol.Ask()+ExtIndent;

                        if(!CompareDoubles(m_order.PriceOpen(),new_price,m_symbol.Digits()))

                           if(!m_trade.OrderModify(m_order.Ticket(),

                              m_symbol.NormalizePrice(new_price),

                              m_symbol.NormalizePrice(new_price-ExtStopLoss),

                              m_symbol.NormalizePrice(new_price+ExtTakeProfit),

                              m_order.TypeTime(),

                              m_order.TimeExpiration()))

                             {

                              int d=0;

                             }

                       }

                    }

                  else if(m_order.OrderType()==ORDER_TYPE_SELL_STOP)

                    {

                     if(m_symbol.Bid()-m_order.PriceOpen()>=level)

                       {

                        double new_price=m_symbol.Bid()-ExtIndent;

                        if(!CompareDoubles(m_order.PriceOpen(),new_price,m_symbol.Digits()))

                           if(!m_trade.OrderModify(m_order.Ticket(),

                              m_symbol.NormalizePrice(new_price),

                              m_symbol.NormalizePrice(new_price+ExtStopLoss),

                              m_symbol.NormalizePrice(new_price-ExtTakeProfit),

                              m_order.TypeTime(),

                              m_order.TimeExpiration()))

                             {

                              int d=0;

                             }

                       }

                    }

                 }

        }

     }

//---

   return(true);

  }

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

//| Delete all pending orders                                        |

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

void DeleteAllPendingOrders(const double level)

  {

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

      if(m_order.SelectByIndex(i))     // selects the pending order by index for further access to its properties

         if(m_order.Symbol()==m_symbol.Name() && m_order.Magic()==InpMagic)

           {

            if(m_order.OrderType()==ORDER_TYPE_BUY_LIMIT)

              {

               if(m_symbol.Ask()-m_order.PriceOpen()>=level)

                  m_trade.OrderDelete(m_order.Ticket());

               continue;

              }

            if(m_order.OrderType()==ORDER_TYPE_BUY_STOP)

              {

               if(m_order.PriceOpen()-m_symbol.Ask()>=level)

                  m_trade.OrderDelete(m_order.Ticket());

               continue;

              }

            if(m_order.OrderType()==ORDER_TYPE_SELL_LIMIT)

              {

               if(m_order.PriceOpen()-m_symbol.Bid()>=level)

                  m_trade.OrderDelete(m_order.Ticket());

               continue;

              }

            if(m_order.OrderType()==ORDER_TYPE_SELL_STOP)

              {

               if(m_symbol.Bid()-m_order.PriceOpen()>=level)

                  m_trade.OrderDelete(m_order.Ticket());

               continue;

              }

           }

  }

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

//| Is pendinf orders exists                                         |

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

bool IsPendingOrdersExists(void)

  {

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

      if(m_order.SelectByIndex(i))     // selects the pending order by index for further access to its properties

         if(m_order.Symbol()==m_symbol.Name() && m_order.Magic()==InpMagic)

            return(true);

//---

   return(false);

  }

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

//| Place Orders                                                     |

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

void PlaceOrders(const int index_in_structure,const ENUM_ORDER_TYPE order_type,

                 const double level,const ulong magic)

  {

//--- 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

*/

   double price=0.0,sl=0.0,tp=0.0;

//--- buy stop

   if(order_type==ORDER_TYPE_BUY_STOP)

     {

      if(SNeedPending[index_in_structure].price>0.0)

         price=SNeedPending[index_in_structure].price;

      else

         price=m_symbol.Ask()+ExtIndent;



      if(price-m_symbol.Ask()<level) // check price

         price=m_symbol.Ask()+level;



      sl=(InpStopLoss==0)?0.0:price-ExtStopLoss;

      if(sl!=0.0 && ExtStopLoss<level)// check sl

         sl=price-level;



      tp=(InpTakeProfit==0)?0.0:price+ExtTakeProfit;

      if(tp!=0.0 && ExtTakeProfit<level) // check price

         tp=price+level;



      PendingOrder(ORDER_TYPE_BUY_STOP,price,sl,tp,magic);

      ArrayRemove(SNeedPending,index_in_structure,1);

      ExtWaitingPendingOrder=false;

     }

//--- sell stop

   if(order_type==ORDER_TYPE_SELL_STOP)

     {

      if(SNeedPending[index_in_structure].price>0.0)

         price=SNeedPending[index_in_structure].price;

      else

         price=m_symbol.Bid()-ExtIndent;



      if(m_symbol.Bid()-price<level) // check price

         price=m_symbol.Bid()-level;



      sl=(InpStopLoss==0)?0.0:price+ExtStopLoss;

      if(sl!=0.0 && ExtStopLoss<level) // check sl

         sl=price+level;



      tp=(InpTakeProfit==0)?0.0:price-ExtTakeProfit;

      if(tp!=0.0 && ExtTakeProfit<level) // check tp

         tp=price-level;



      PendingOrder(ORDER_TYPE_SELL_STOP,price,sl,tp,magic);

      ArrayRemove(SNeedPending,index_in_structure,1);

      ExtWaitingPendingOrder=false;

     }

  }

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

//| Pending order                                                    |

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

bool PendingOrder(const ENUM_ORDER_TYPE order_type,double price,

                  double sl,double tp,const ulong magic)

  {

   sl=m_symbol.NormalizePrice(sl);

   tp=m_symbol.NormalizePrice(tp);

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

   ENUM_ORDER_TYPE check_order_type=-1;

   switch(order_type)

     {

      case  ORDER_TYPE_BUY:

         check_order_type=ORDER_TYPE_BUY;

         break;

      case ORDER_TYPE_SELL:

         check_order_type=ORDER_TYPE_SELL;

         break;

      case ORDER_TYPE_BUY_LIMIT:

         check_order_type=ORDER_TYPE_BUY;

         break;

      case ORDER_TYPE_SELL_LIMIT:

         check_order_type=ORDER_TYPE_SELL;

         break;

      case ORDER_TYPE_BUY_STOP:

         check_order_type=ORDER_TYPE_BUY;

         break;

      case ORDER_TYPE_SELL_STOP:

         check_order_type=ORDER_TYPE_SELL;

         break;

      default:

         return(false);

         break;

     }

//---

   double long_lot=0.0;

   double short_lot=0.0;

   if(InpLotOrRisk==risk)

     {

      bool error=false;

      long_lot=m_money.CheckOpenLong(m_symbol.Ask(),sl);

      if(InpPrintLog)

         Print("sl=",DoubleToString(sl,m_symbol.Digits()),

               ", CheckOpenLong: ",DoubleToString(long_lot,2),

               ", Balance: ",    DoubleToString(m_account.Balance(),2),

               ", Equity: ",     DoubleToString(m_account.Equity(),2),

               ", FreeMargin: ", DoubleToString(m_account.FreeMargin(),2));

      if(long_lot==0.0)

        {

         if(InpPrintLog)

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

         error=true;

        }

      //---

      short_lot=m_money.CheckOpenShort(m_symbol.Bid(),sl);

      if(InpPrintLog)

         Print("sl=",DoubleToString(sl,m_symbol.Digits()),

               ", CheckOpenLong: ",DoubleToString(short_lot,2),

               ", Balance: ",    DoubleToString(m_account.Balance(),2),

               ", Equity: ",     DoubleToString(m_account.Equity(),2),

               ", FreeMargin: ", DoubleToString(m_account.FreeMargin(),2));

      if(short_lot==0.0)

        {

         if(InpPrintLog)

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

         error=true;

        }

      //---

      if(error)

         return(false);

     }

   else if(InpLotOrRisk==lot)

     {

      long_lot=InpVolumeLotOrRisk;

      short_lot=InpVolumeLotOrRisk;

     }

   else if(InpLotOrRisk==lots_min)

     {

      long_lot=m_symbol.LotsMin();

      short_lot=m_symbol.LotsMin();

     }

   else

      return(false);

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

   double check_price=0;

   double check_lot=0;

   if(check_order_type==ORDER_TYPE_BUY)

     {

      check_price=m_symbol.Ask();

      check_lot=long_lot;

     }

   else

     {

      check_price=m_symbol.Bid();

      check_lot=short_lot;

     }

//---

   if(m_symbol.LotsLimit()>0.0)

     {

      double volume_buys        = 0.0;   double volume_sells       = 0.0;

      double volume_buy_limits  = 0.0;   double volume_sell_limits = 0.0;

      double volume_buy_stops   = 0.0;   double volume_sell_stops  = 0.0;

      CalculateAllVolumes(volume_buys,volume_sells,

                          volume_buy_limits,volume_sell_limits,

                          volume_buy_stops,volume_sell_stops);

      if(volume_buys+volume_sells+

         volume_buy_limits+volume_sell_limits+

         volume_buy_stops+volume_sell_stops+check_lot>m_symbol.LotsLimit())

        {

         if(InpPrintLog)

            Print("#0 ,",EnumToString(order_type),", ",

                  "Volume Buy's (",DoubleToString(volume_buys,2),")",

                  "Volume Sell's (",DoubleToString(volume_sells,2),")",

                  "Volume Buy limit's (",DoubleToString(volume_buy_limits,2),")",

                  "Volume Sell limit's (",DoubleToString(volume_sell_limits,2),")",

                  "Volume Buy stops's (",DoubleToString(volume_buy_stops,2),")",

                  "Volume Sell stops's (",DoubleToString(volume_sell_stops,2),")",

                  "Check lot (",DoubleToString(check_lot,2),")",

                  " > Lots Limit (",DoubleToString(m_symbol.LotsLimit(),2),")");

         return(false);

        }

     }

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

   double free_margin_check= m_account.FreeMarginCheck(m_symbol.Name(),check_order_type,check_lot,check_price);

   double margin_check     = m_account.MarginCheck(m_symbol.Name(),check_order_type,check_lot,price);

   if(free_margin_check>margin_check)

     {

      if(m_trade.OrderOpen(m_symbol.Name(),order_type,check_lot,0.0,

         m_symbol.NormalizePrice(price),m_symbol.NormalizePrice(sl),m_symbol.NormalizePrice(tp)))

        {

         if(m_trade.ResultOrder()==0)

           {

            if(InpPrintLog)

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

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

            if(InpPrintLog)

               PrintResultTrade(m_trade,m_symbol);

            return(false);

           }

         else

           {

            if(InpPrintLog)

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

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

            if(InpPrintLog)

               PrintResultTrade(m_trade,m_symbol);

            return(true);

           }

        }

      else

        {

         if(InpPrintLog)

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

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

         if(InpPrintLog)

            PrintResultTrade(m_trade,m_symbol);

         return(false);

        }

     }

   else

     {

      if(InpPrintLog)

         Print(__FUNCTION__,", ERROR: method CAccountInfo::FreeMarginCheck returned the value ",DoubleToString(free_margin_check,2));

      return(false);

     }

//---

   return(false);

  }

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

//| Calculate all volumes                                            |

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

void CalculateAllVolumes(double &volumne_buys,double &volumne_sells,

                         double &volumne_buy_limits,double &volumne_sell_limits,

                         double &volumne_buy_stops,double &volumne_sell_stops)

  {

   volumne_buys         = 0.0;   volumne_sells        = 0.0;

   volumne_buy_limits   = 0.0;   volumne_sell_limits  = 0.0;

   volumne_buy_stops    = 0.0;   volumne_sell_stops   = 0.0;



   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())

           {

            if(m_position.PositionType()==POSITION_TYPE_BUY)

               volumne_buys+=m_position.Volume();

            else if(m_position.PositionType()==POSITION_TYPE_SELL)

               volumne_sells+=m_position.Volume();

           }



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

      if(m_order.SelectByIndex(i)) // selects the pending order by index for further access to its properties

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

           {

            if(m_order.OrderType()==ORDER_TYPE_BUY_LIMIT)

               volumne_buy_limits+=m_order.VolumeInitial();

            else if(m_order.OrderType()==ORDER_TYPE_SELL_LIMIT)

               volumne_sell_limits+=m_order.VolumeInitial();

            else if(m_order.OrderType()==ORDER_TYPE_BUY_STOP)

               volumne_buy_stops+=m_order.VolumeInitial();

            else if(m_order.OrderType()==ORDER_TYPE_SELL_STOP)

               volumne_sell_stops+=m_order.VolumeInitial();

           }

  }

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

//| TimeControl                                                      |

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

bool TimeControlHourMinute(void)

  {

   if(!InpTimeControl)

      return(true);

   MqlDateTime STimeCurrent;

   datetime time_current=TimeCurrent();

   if(time_current==D'1970.01.01 00:00')

      return(false);

   TimeToStruct(time_current,STimeCurrent);

   if((InpStartHour*60*60+InpStartMinute*60)<(InpEndHour*60*60+InpEndMinute*60)) // intraday time interval

     {

/*

Example:

input uchar    InpStartHour      = 5;        // Start hour

input uchar    InpEndHour        = 10;       // End hour

0  1  2  3  4  5  6  7  8  9  10 11 12 13 14 15 16 17 18 19 20 21 22 23 0  1  2  3  4  5  6  7  8  9  10 11 12 13 14 15

_  _  _  _  _  +  +  +  +  +  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  _  +  +  +  +  +  _  _  _  _  _  _

*/

      if((STimeCurrent.hour*60*60+STimeCurrent.min*60>=InpStartHour*60*60+InpStartMinute*60) && 

         (STimeCurrent.hour*60*60+STimeCurrent.min*60<InpEndHour*60*60+InpEndMinute*60))

         return(true);

     }

   else if((InpStartHour*60*60+InpStartMinute*60)>(InpEndHour*60*60+InpEndMinute*60)) // time interval with the transition in a day

     {

/*

Example:

input uchar    InpStartHour      = 10;       // Start hour

input uchar    InpEndHour        = 5;        // End hour

0  1  2  3  4  5  6  7  8  9  10 11 12 13 14 15 16 17 18 19 20 21 22 23 0  1  2  3  4  5  6  7  8  9  10 11 12 13 14 15

_  _  _  _  _  _  _  _  _  _  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  _  _  _  _  _  +  +  +  +  +  +

*/

      if(STimeCurrent.hour*60*60+STimeCurrent.min*60>=InpStartHour*60*60+InpStartMinute*60 || 

         STimeCurrent.hour*60*60+STimeCurrent.min*60<InpEndHour*60*60+InpEndMinute*60)

         return(true);

     }

   else

      return(false);

//---

   return(false);

  }

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

//| Calculate all pending orders                                     |

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

void CalculateAllPendingOrders(int &count_buy_stops,int &count_sell_stops)

  {

   count_buy_stops   = 0;

   count_sell_stops  = 0;



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

      if(m_order.SelectByIndex(i))     // selects the pending order by index for further access to its properties

         if(m_order.Symbol()==m_symbol.Name() && m_order.Magic()==InpMagic)

           {

            if(m_order.OrderType()==ORDER_TYPE_BUY_STOP)

               count_buy_stops++;

            else if(m_order.OrderType()==ORDER_TYPE_SELL_STOP)

               count_sell_stops++;

           }

  }

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

//| Compare doubles                                                  |

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

bool CompareDoubles(double number1,double number2,int digits)

  {

   digits--;

   if(digits<0)

      digits=0;

   if(NormalizeDouble(number1-number2,digits)==0)

      return(true);

   else

      return(false);

  }

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

//| 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()==InpMagic)

            return(true);

//---

   return(false);

  }

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