Laguerre Multicurrency

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

//|                                       Laguerre Multicurrency.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 3.012

*/

#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_1;                   // symbol info object

CSymbolInfo    m_symbol_2;                   // symbol info object

CAccountInfo   m_account;                    // account info wrapper

CDealInfo      m_deal;                       // deals object

COrderInfo     m_order;                      // pending orders object

CMoneyFixedMargin *m_money_1;

CMoneyFixedMargin *m_money_2;

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

//| Enum Lor or Risk                                                 |

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

enum ENUM_LOT_OR_RISK

  {

   lot=0,   // Constant lot

   risk=1,  // Risk in percent for a deal

  };

//--- input parameters

//--- Laguerre 1

input string   Inp_Custom_1_Sybmol              = "USDJPY";    // Lag. 1: Sybmol Name

input double   Inp_Custom_1_Gamma               = 0.7;         // Lag. 1: Gamma

//---

input ushort   Inp_Custom_1_StopLoss            = 35;          // Lag. 1: Stop Loss, in pips (1.00045-1.00055=1 pips)

input ushort   Inp_Custom_1_TakeProfit          = 96;          // Lag. 1: Take Profit, in pips (1.00045-1.00055=1 pips)

input ushort   Inp_Custom_1_TrailingFrequency   = 10;          // Lag. 1: Trailing, in sec. (< "10" -> only on a new bar)

input ushort   Inp_Custom_1_SignalsFrequency    = 10;          // Lag. 1: Search signals, in sec. (< "10" -> only on a new bar)

input ushort   Inp_Custom_1_TrailingStop        = 25;          // Lag. 1: Trailing Stop (min dis. from price to SL, in pips

input ushort   Inp_Custom_1_TrailingStep        = 5;           // Lag. 1: Trailing Step, in pips (1.00045-1.00055=1 pips)

input ENUM_LOT_OR_RISK Inp_Custom_1_LotOrRisk   = risk;        // Lag. 1: Money management: Lot OR Risk

input double   Inp_Custom_1_VolumeLotOrRisk     = 3.0;         // Lag. 1: The value for "Money management"

//---

input bool     Inp_Custom_1_OnlyOne             = false;       // Lag. 1: Only one positions 

input bool     Inp_Custom_1_Reverse             = false;       // Lag. 1: Reverse

input bool     Inp_Custom_1_CloseOpposite       = false;       // Lag. 1: Close opposite

//--- Laguerre 2

input string   Inp_Custom_2_Sybmol              = "GBPUSD";    // Lag. 2: Sybmol Name

input double   Inp_Custom_2_Gamma               = 0.7;         // Lag. 2: Gamma

//---

input ushort   Inp_Custom_2_StopLoss            = 35;          // Lag. 2: Stop Loss, in pips (1.00045-1.00055=1 pips)

input ushort   Inp_Custom_2_TakeProfit          = 96;          // Lag. 2: Take Profit, in pips (1.00045-1.00055=1 pips)

input ushort   Inp_Custom_2_TrailingFrequency   = 10;          // Lag. 2: Trailing, in sec. (< "10" -> only on a new bar)

input ushort   Inp_Custom_2_SignalsFrequency    = 10;          // Lag. 2: Search signals, in sec. (< "10" -> only on a new bar)

input ushort   Inp_Custom_2_TrailingStop        = 25;          // Lag. 2: Trailing Stop (min dis. from price to SL, in pips

input ushort   Inp_Custom_2_TrailingStep        = 5;           // Lag. 2: Trailing Step, in pips (1.00045-1.00055=1 pips)

input ENUM_LOT_OR_RISK Inp_Custom_2_LotOrRisk   = risk;        // Lag. 2: Money management: Lot OR Risk

input double   Inp_Custom_2_VolumeLotOrRisk     = 3.0;         // Lag. 2: The value for "Money management"

//---

input bool     Inp_Custom_2_OnlyOne             = false;       // Lag. 2: Only one positions 

input bool     Inp_Custom_2_Reverse             = false;       // Lag. 2: Reverse

input bool     Inp_Custom_2_CloseOpposite       = false;       // Lag. 2: Close opposite

//---

input bool     InpPrintLog = false;       // Print log

input ulong    InpMagic    = 581739570;   // Magic number

//---

ulong  ExtSlippage=10;              // Slippage



double Ext_Custom_1_StopLoss     = 0.0;      // Lag. 1: Stop Loss      -> double

double Ext_Custom_1_TakeProfit   = 0.0;      // Lag. 1: Take Profit    -> double

double Ext_Custom_1_TrailingStop = 0.0;      // Lag. 1: Trailing Stop  -> double

double Ext_Custom_1_TrailingStep = 0.0;      // Lag. 1: Trailing Step  -> double

double Ext_Custom_2_StopLoss     = 0.0;      // Lag. 2: Stop Loss      -> double

double Ext_Custom_2_TakeProfit   = 0.0;      // Lag. 2: Take Profit    -> double

double Ext_Custom_2_TrailingStop = 0.0;      // Lag. 2: Trailing Stop  -> double

double Ext_Custom_2_TrailingStep = 0.0;      // Lag. 2: Trailing Step  -> double



int    handle_iCustom_1;                     // variable for storing the handle of the iCustom indicator

int    handle_iCustom_2;                     // variable for storing the handle of the iCustom indicator 



double   Ext_Custom_1_AdjustedPoint;         // point value adjusted for 3 or 5 points

double   Ext_Custom_2_AdjustedPoint;         // point value adjusted for 3 or 5 points



datetime Ext_Custom_1_LastTrailing  = 0;     // "0" -> D'1970.01.01 00:00';

datetime Ext_Custom_1_LastSignals   = 0;     // "0" -> D'1970.01.01 00:00';

datetime Ext_Custom_1_PrevBars      = 0;     // "0" -> D'1970.01.01 00:00';

datetime Ext_Custom_2_LastTrailing  = 0;     // "0" -> D'1970.01.01 00:00';

datetime Ext_Custom_2_LastSignals   = 0;     // "0" -> D'1970.01.01 00:00';

datetime Ext_Custom_2_PrevBars      = 0;     // "0" -> D'1970.01.01 00:00';

//--- B0:B8:0 B0:0O: 4;O ?>78F89 65AB:> >BA;568205< @57C;LB0B ***

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

//| Structure Need Positions                                         |

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

struct STRUCT_NEED_POSITION

  {

   string            symbol;                 // position symbol 

   ENUM_POSITION_TYPE pos_type;              // position type

   double            volume;                 // position volume (if "0.0" -> the lot is "Money management")

   double            stop_loss;              // position stop loss, in pips * ExtAdjustedPoint (if "0.0" -> the ExtStopLoss)

   double            take_profit;            // position take profit, in pips * ExtAdjustedPoint (if "0.0" -> the ExtTakeProfit)

   bool              waiting_transaction;    // waiting transaction, "true" -> it's forbidden to trade, we expect a transaction

   ulong             waiting_order_ticket;   // waiting order ticket, ticket of the expected order

   bool              transaction_confirmed;  // transaction confirmed, "true" -> transaction confirmed

   //--- Constructor 

                     STRUCT_NEED_POSITION()

     {

      symbol                     = "";

      pos_type                   = WRONG_VALUE;

      volume                     = 0.0;

      stop_loss                  = 0.0;

      take_profit                = 0.0;

      waiting_transaction        = false;

      waiting_order_ticket       = 0;

      transaction_confirmed      = false;

     }

  };

STRUCT_NEED_POSITION SNeedPosition[];

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

//| Expert initialization function                                   |

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

int OnInit()

  {

//---

   if(Inp_Custom_1_TrailingStop!=0 && Inp_Custom_1_TrailingStep==0)

     {

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

                      ""@59;8=3 =52>7<>65=: ?0@0<5B@ \"Lag. 1: Trailing Step\" @025= =C;N!":

                      "Trailing is not possible: parameter \"Lag. 1: 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(Inp_Custom_2_TrailingStop!=0 && Inp_Custom_2_TrailingStep==0)

     {

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

                      ""@59;8=3 =52>7<>65=: ?0@0<5B@ \"Lag. 2: Trailing Step\" @025= =C;N!":

                      "Trailing is not possible: parameter \"Lag. 2: 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_1.Name(Inp_Custom_1_Sybmol)) // sets symbol name

      return(INIT_FAILED);

   RefreshRates(m_symbol_1);

   if(!m_symbol_2.Name(Inp_Custom_2_Sybmol)) // sets symbol name

      return(INIT_FAILED);

   RefreshRates(m_symbol_2);

//---

   m_trade.SetExpertMagicNumber(InpMagic);

   m_trade.SetMarginMode();

   m_trade.SetTypeFillingBySymbol(Symbol());

   m_trade.SetDeviationInPoints(ExtSlippage);

//--- tuning for 3 or 5 digits

   int digits_adjust_1=1;

   if(m_symbol_1.Digits()==3 || m_symbol_1.Digits()==5)

      digits_adjust_1=10;

   Ext_Custom_1_AdjustedPoint=m_symbol_1.Point()*digits_adjust_1;

   int digits_adjust_2=1;

   if(m_symbol_2.Digits()==3 || m_symbol_2.Digits()==5)

      digits_adjust_2=10;

   Ext_Custom_2_AdjustedPoint=m_symbol_2.Point()*digits_adjust_2;

//---

   Ext_Custom_1_StopLoss      = Inp_Custom_1_StopLoss       * Ext_Custom_1_AdjustedPoint;

   Ext_Custom_1_TakeProfit    = Inp_Custom_1_TakeProfit     * Ext_Custom_1_AdjustedPoint;

   Ext_Custom_1_TrailingStop  = Inp_Custom_1_TrailingStop   * Ext_Custom_1_AdjustedPoint;

   Ext_Custom_1_TrailingStep  = Inp_Custom_1_TrailingStep   * Ext_Custom_1_AdjustedPoint;

   Ext_Custom_2_StopLoss      = Inp_Custom_2_StopLoss       * Ext_Custom_2_AdjustedPoint;

   Ext_Custom_2_TakeProfit    = Inp_Custom_2_TakeProfit     * Ext_Custom_2_AdjustedPoint;

   Ext_Custom_2_TrailingStop  = Inp_Custom_2_TrailingStop   * Ext_Custom_2_AdjustedPoint;

   Ext_Custom_2_TrailingStep  = Inp_Custom_2_TrailingStep   * Ext_Custom_2_AdjustedPoint;

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

   string err_text="";

   if(Inp_Custom_1_LotOrRisk==lot)

     {

      if(!CheckVolumeValue(m_symbol_1,Inp_Custom_1_VolumeLotOrRisk,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(m_money_1!=NULL)

         delete m_money_1;

      m_money_1=new CMoneyFixedMargin;

      if(m_money_1!=NULL)

        {

         if(Inp_Custom_1_VolumeLotOrRisk<1 || Inp_Custom_1_VolumeLotOrRisk>100)

           {

            Print("The value for \"Lag. 1: Money management\" (",DoubleToString(Inp_Custom_1_VolumeLotOrRisk,2),") -> invalid parameters");

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

            return(INIT_FAILED);

           }

         if(!m_money_1.Init(GetPointer(m_symbol_1),Period(),m_symbol_1.Point()*digits_adjust_1))

            return(INIT_FAILED);

         m_money_1.Percent(Inp_Custom_1_VolumeLotOrRisk);

        }

      else

        {

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

         return(INIT_FAILED);

        }

     }



   err_text="";

   if(Inp_Custom_2_LotOrRisk==lot)

     {

      if(!CheckVolumeValue(m_symbol_2,Inp_Custom_2_VolumeLotOrRisk,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(m_money_2!=NULL)

         delete m_money_2;

      m_money_2=new CMoneyFixedMargin;

      if(m_money_2!=NULL)

        {

         if(Inp_Custom_2_VolumeLotOrRisk<1 || Inp_Custom_2_VolumeLotOrRisk>100)

           {

            Print("The value for \"Lag. 1: Money management\" (",DoubleToString(Inp_Custom_2_VolumeLotOrRisk,2),") -> invalid parameters");

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

            return(INIT_FAILED);

           }

         if(!m_money_2.Init(GetPointer(m_symbol_2),Period(),m_symbol_2.Point()*digits_adjust_2))

            return(INIT_FAILED);

         m_money_2.Percent(Inp_Custom_2_VolumeLotOrRisk);

        }

      else

        {

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

         return(INIT_FAILED);

        }

     }

//--- create handle of the indicator iCustom

   handle_iCustom_1=iCustom(m_symbol_1.Name(),Period(),"laguerre",Inp_Custom_1_Gamma);

//--- if the handle is not created 

   if(handle_iCustom_1==INVALID_HANDLE)

     {

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

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

                  m_symbol_1.Name(),

                  EnumToString(Period()),

                  GetLastError());

      //--- the indicator is stopped early 

      return(INIT_FAILED);

     }

//--- create handle of the indicator iCustom

   handle_iCustom_2=iCustom(m_symbol_2.Name(),Period(),"laguerre",Inp_Custom_2_Gamma);

//--- if the handle is not created 

   if(handle_iCustom_2==INVALID_HANDLE)

     {

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

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

                  m_symbol_2.Name(),

                  EnumToString(Period()),

                  GetLastError());

      //--- the indicator is stopped early 

      return(INIT_FAILED);

     }

//---

   return(INIT_SUCCEEDED);

  }

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

//| Expert deinitialization function                                 |

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

void OnDeinit(const int reason)

  {

//---

   if(m_money_1!=NULL)

      delete m_money_1;

   if(m_money_2!=NULL)

      delete m_money_2;

  }

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

//| Expert tick function                                             |

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

void OnTick()

  {

//---

   int size_need_position=ArraySize(SNeedPosition);

   if(size_need_position>0)

     {

      for(int i=0;i<size_need_position;i++)

        {

         if(SNeedPosition[i].waiting_transaction)

           {

            if(!SNeedPosition[i].transaction_confirmed)

              {

               Print("transaction_confirmed: ",SNeedPosition[i].transaction_confirmed);   return;

              }

            else if(SNeedPosition[i].transaction_confirmed)

              {

               ArrayRemove(SNeedPosition,i,1);  return;

              }

           }

         //--- symbol 1

         if(SNeedPosition[i].pos_type==POSITION_TYPE_BUY && SNeedPosition[i].symbol==m_symbol_1.Name())

           {

            if(Inp_Custom_1_CloseOpposite || Inp_Custom_1_OnlyOne)

              {

               int count_buys=0;    double volume_buys=0.0;    double volume_biggest_buys=0.0;

               int count_sells=0;   double volume_sells=0.0;   double volume_biggest_sells=0.0;

               CalculateAllPositions(m_symbol_1,count_buys,volume_buys,volume_biggest_buys,

                                     count_sells,volume_sells,volume_biggest_sells);

               if(Inp_Custom_1_CloseOpposite)

                 {

                  if(count_sells>0)

                    {

                     double level;

                     if(FreezeStopsLevels(m_symbol_1,level))

                        ClosePositions(m_symbol_1,POSITION_TYPE_SELL,level);

                     return;

                    }

                 }

               if(Inp_Custom_1_OnlyOne)

                 {

                  if(count_buys+count_sells==0)

                    {

                     double level;

                     if(FreezeStopsLevels(m_symbol_1,level))

                       {

                        SNeedPosition[i].waiting_transaction=true;

                        OpenPosition(i,m_symbol_1,POSITION_TYPE_BUY,SNeedPosition[i].volume,

                                     SNeedPosition[i].stop_loss,SNeedPosition[i].take_profit,level);

                       }

                     return;

                    }

                  else

                     ArrayRemove(SNeedPosition,i,1);

                  return;

                 }

              }

            double level;

            if(FreezeStopsLevels(m_symbol_1,level))

              {

               SNeedPosition[i].waiting_transaction=true;

               OpenPosition(i,m_symbol_1,POSITION_TYPE_BUY,SNeedPosition[i].volume,

                            SNeedPosition[i].stop_loss,SNeedPosition[i].take_profit,level);

              }

            return;

           }

         if(SNeedPosition[i].pos_type==POSITION_TYPE_SELL && SNeedPosition[i].symbol==m_symbol_1.Name())

           {

            if(Inp_Custom_1_CloseOpposite || Inp_Custom_1_OnlyOne)

              {

               int count_buys=0;    double volume_buys=0.0;    double volume_biggest_buys=0.0;

               int count_sells=0;   double volume_sells=0.0;   double volume_biggest_sells=0.0;

               CalculateAllPositions(m_symbol_1,count_buys,volume_buys,volume_biggest_buys,

                                     count_sells,volume_sells,volume_biggest_sells);

               if(Inp_Custom_1_CloseOpposite)

                 {

                  if(count_buys>0)

                    {

                     double level;

                     if(FreezeStopsLevels(m_symbol_1,level))

                        ClosePositions(m_symbol_1,POSITION_TYPE_BUY,level);

                     return;

                    }

                 }

               if(Inp_Custom_1_OnlyOne)

                 {

                  if(count_buys+count_sells==0)

                    {

                     double level;

                     if(FreezeStopsLevels(m_symbol_1,level))

                       {

                        SNeedPosition[i].waiting_transaction=true;

                        OpenPosition(i,m_symbol_1,POSITION_TYPE_SELL,SNeedPosition[i].volume,

                                     SNeedPosition[i].stop_loss,SNeedPosition[i].take_profit,level);

                       }

                     return;

                    }

                  else

                     ArrayRemove(SNeedPosition,i,1);

                  return;

                 }

              }

            double level;

            if(FreezeStopsLevels(m_symbol_1,level))

              {

               SNeedPosition[i].waiting_transaction=true;

               OpenPosition(i,m_symbol_1,POSITION_TYPE_SELL,SNeedPosition[i].volume,

                            SNeedPosition[i].stop_loss,SNeedPosition[i].take_profit,level);

              }

            return;

           }

         //--- symbol 2

         if(SNeedPosition[i].pos_type==POSITION_TYPE_BUY && SNeedPosition[i].symbol==m_symbol_2.Name())

           {

            if(Inp_Custom_2_CloseOpposite || Inp_Custom_2_OnlyOne)

              {

               int count_buys=0;    double volume_buys=0.0;    double volume_biggest_buys=0.0;

               int count_sells=0;   double volume_sells=0.0;   double volume_biggest_sells=0.0;

               CalculateAllPositions(m_symbol_2,count_buys,volume_buys,volume_biggest_buys,

                                     count_sells,volume_sells,volume_biggest_sells);

               if(Inp_Custom_2_CloseOpposite)

                 {

                  if(count_sells>0)

                    {

                     double level;

                     if(FreezeStopsLevels(m_symbol_2,level))

                        ClosePositions(m_symbol_2,POSITION_TYPE_SELL,level);

                     return;

                    }

                 }

               if(Inp_Custom_2_OnlyOne)

                 {

                  if(count_buys+count_sells==0)

                    {

                     double level;

                     if(FreezeStopsLevels(m_symbol_2,level))

                       {

                        SNeedPosition[i].waiting_transaction=true;

                        OpenPosition(i,m_symbol_2,POSITION_TYPE_BUY,SNeedPosition[i].volume,

                                     SNeedPosition[i].stop_loss,SNeedPosition[i].take_profit,level);

                       }

                     return;

                    }

                  else

                     ArrayRemove(SNeedPosition,i,1);

                  return;

                 }

              }

            double level;

            if(FreezeStopsLevels(m_symbol_2,level))

              {

               SNeedPosition[i].waiting_transaction=true;

               OpenPosition(i,m_symbol_2,POSITION_TYPE_BUY,SNeedPosition[i].volume,

                            SNeedPosition[i].stop_loss,SNeedPosition[i].take_profit,level);

              }

            return;

           }

         if(SNeedPosition[i].pos_type==POSITION_TYPE_SELL && SNeedPosition[i].symbol==m_symbol_2.Name())

           {

            if(Inp_Custom_2_CloseOpposite || Inp_Custom_2_OnlyOne)

              {

               int count_buys=0;    double volume_buys=0.0;    double volume_biggest_buys=0.0;

               int count_sells=0;   double volume_sells=0.0;   double volume_biggest_sells=0.0;

               CalculateAllPositions(m_symbol_2,count_buys,volume_buys,volume_biggest_buys,

                                     count_sells,volume_sells,volume_biggest_sells);

               if(Inp_Custom_2_CloseOpposite)

                 {

                  if(count_buys>0)

                    {

                     double level;

                     if(FreezeStopsLevels(m_symbol_2,level))

                        ClosePositions(m_symbol_2,POSITION_TYPE_BUY,level);

                     return;

                    }

                 }

               if(Inp_Custom_2_OnlyOne)

                 {

                  if(count_buys+count_sells==0)

                    {

                     double level;

                     if(FreezeStopsLevels(m_symbol_2,level))

                       {

                        SNeedPosition[i].waiting_transaction=true;

                        OpenPosition(i,m_symbol_2,POSITION_TYPE_SELL,SNeedPosition[i].volume,

                                     SNeedPosition[i].stop_loss,SNeedPosition[i].take_profit,level);

                       }

                     return;

                    }

                  else

                     ArrayRemove(SNeedPosition,i,1);

                  return;

                 }

              }

            double level;

            if(FreezeStopsLevels(m_symbol_2,level))

              {

               SNeedPosition[i].waiting_transaction=true;

               OpenPosition(i,m_symbol_2,POSITION_TYPE_SELL,SNeedPosition[i].volume,

                            SNeedPosition[i].stop_loss,SNeedPosition[i].take_profit,level);

              }

            return;

           }

        }

     }

//---

   if(Inp_Custom_1_TrailingFrequency>=10) // trailing no more than once every 10 seconds

     {

      datetime time_current=TimeCurrent();

      if(time_current-Ext_Custom_1_LastTrailing>10)

        {

         double level;

         if(FreezeStopsLevels(m_symbol_1,level))

            Trailing(m_symbol_1,level);

         else

            return;

         Ext_Custom_1_LastTrailing=time_current;

        }

     }

   if(Inp_Custom_2_TrailingFrequency>=10) // trailing no more than once every 10 seconds

     {

      datetime time_current=TimeCurrent();

      if(time_current-Ext_Custom_2_LastTrailing>10)

        {

         double level;

         if(FreezeStopsLevels(m_symbol_2,level))

            Trailing(m_symbol_2,level);

         else

            return;

         Ext_Custom_2_LastTrailing=time_current;

        }

     }

   if(Inp_Custom_1_SignalsFrequency>=10) // search for trading signals no more than once every 10 seconds

     {

      datetime time_current=TimeCurrent();

      if(time_current-Ext_Custom_1_LastSignals>10)

        {

         //--- search for trading signals

         if(!RefreshRates(m_symbol_1))

           {

            Ext_Custom_1_PrevBars=0; return;

           }

         if(!SearchTradingSignals(m_symbol_1))

           {

            Ext_Custom_1_PrevBars=0; return;

           }

         Ext_Custom_1_LastSignals=time_current;

        }

     }

   if(Inp_Custom_2_SignalsFrequency>=10) // search for trading signals no more than once every 10 seconds

     {

      datetime time_current=TimeCurrent();

      if(time_current-Ext_Custom_2_LastSignals>10)

        {

         //--- search for trading signals

         if(!RefreshRates(m_symbol_2))

           {

            Ext_Custom_2_PrevBars=0; return;

           }

         if(!SearchTradingSignals(m_symbol_2))

           {

            Ext_Custom_2_PrevBars=0; return;

           }

         Ext_Custom_2_LastSignals=time_current;

        }

     }

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

   datetime time_Custom_1_0=iTime(m_symbol_1.Name(),Period(),0);

   if(time_Custom_1_0!=Ext_Custom_1_PrevBars)

     {

      Ext_Custom_1_PrevBars=time_Custom_1_0;

      if(Inp_Custom_1_TrailingFrequency<10) // trailing only at the time of the birth of new bar

        {

         double level;

         if(FreezeStopsLevels(m_symbol_1,level))

            Trailing(m_symbol_1,level);

        }

      if(Inp_Custom_1_SignalsFrequency<10) // search for trading signals only at the time of the birth of new bar

        {

         if(!RefreshRates(m_symbol_1))

           {

            Ext_Custom_1_PrevBars=0; return;

           }

         //--- search for trading signals

         if(!SearchTradingSignals(m_symbol_1))

           {

            Ext_Custom_1_PrevBars=0; return;

           }

        }

     }

   datetime time_Custom_2_0=iTime(m_symbol_2.Name(),Period(),0);

   if(time_Custom_2_0!=Ext_Custom_2_PrevBars)

     {

      Ext_Custom_2_PrevBars=time_Custom_2_0;

      if(Inp_Custom_2_TrailingFrequency<10) // trailing only at the time of the birth of new bar

        {

         double level;

         if(FreezeStopsLevels(m_symbol_2,level))

            Trailing(m_symbol_2,level);

        }

      if(Inp_Custom_2_SignalsFrequency<10) // search for trading signals only at the time of the birth of new bar

        {

         if(!RefreshRates(m_symbol_2))

           {

            Ext_Custom_2_PrevBars=0; return;

           }

         //--- search for trading signals

         if(!SearchTradingSignals(m_symbol_2))

           {

            Ext_Custom_2_PrevBars=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_1.Name() || deal_symbol==m_symbol_2.Name()) && deal_magic==InpMagic)

        {

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

           {

            int size_need_position=ArraySize(SNeedPosition);

            if(size_need_position>0)

              {

               for(int i=0;i<size_need_position;i++)

                 {

                  if(SNeedPosition[i].waiting_transaction)

                     if(SNeedPosition[i].waiting_order_ticket==deal_order)

                       {

                        Print(__FUNCTION__," Transaction confirmed");

                        SNeedPosition[i].transaction_confirmed=true;

                        break;

                       }

                 }

              }

           }

        }

     }

  }

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

//| Refreshes the symbol quotes data                                 |

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

bool RefreshRates(CSymbolInfo &m_symbol)

  {

//--- 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(CSymbolInfo &m_symbol,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);

  }

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

//| Check Freeze and Stops levels                                    |

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

bool FreezeStopsLevels(CSymbolInfo &m_symbol,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) || !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.Name()==Inp_Custom_1_Sybmol)?m_symbol.Spread()*Ext_Custom_1_AdjustedPoint:m_symbol.Spread()*Ext_Custom_2_AdjustedPoint;

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

//---

   return(true);

  }

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

//| Open position                                                    |

//|   double stop_loss                                               |

//|      -> pips * ExtAdjustedPoint (if "0.0" -> the ExtStopLoss)    |

//|   double take_profit                                             |

//|      -> pips * ExtAdjustedPoint (if "0.0" -> the ExtTakeProfit)  |

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

void OpenPosition(const int index_in_structure,CSymbolInfo &m_symbol,const ENUM_POSITION_TYPE pos_type,

                  const double volume,const double stop_loss,const double take_profit,

                  const double level)

  {

//--- buy

   if(pos_type==POSITION_TYPE_BUY)

     {

      double price=m_symbol.Ask();



      double sl=0.0;

      if(stop_loss<=0.0)

        {

         if(m_symbol.Name()==Inp_Custom_1_Sybmol)

           {

            sl=(Inp_Custom_1_StopLoss==0)?0.0:price-Ext_Custom_1_StopLoss;

            if(sl!=0.0 && Ext_Custom_1_StopLoss<level) // check sl

               sl=price-level;

           }

         else

           {

            sl=(Inp_Custom_2_StopLoss==0)?0.0:price-Ext_Custom_2_StopLoss;

            if(sl!=0.0 && Ext_Custom_2_StopLoss<level) // check sl

               sl=price-level;

           }

        }

      else

        {

         sl=(stop_loss==0.0)?0.0:price-stop_loss;

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

            sl=price-level;

        }



      double tp=0.0;

      if(take_profit<=0.0)

        {

         if(m_symbol.Name()==Inp_Custom_1_Sybmol)

           {

            tp=(Inp_Custom_1_TakeProfit==0)?0.0:price+Ext_Custom_1_TakeProfit;

            if(tp!=0.0 && Ext_Custom_1_TakeProfit<level) // check price

               tp=price+level;

           }

         else

           {

            tp=(Inp_Custom_2_TakeProfit==0)?0.0:price+Ext_Custom_2_TakeProfit;

            if(tp!=0.0 && Ext_Custom_2_TakeProfit<level) // check price

               tp=price+level;

           }

        }

      else

        {

         tp=(take_profit==0)?0.0:price+take_profit;

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

            tp=price+level;

        }



      OpenBuy(index_in_structure,m_symbol,volume,sl,tp);

     }

//--- sell

   if(pos_type==POSITION_TYPE_SELL)

     {

      double price=m_symbol.Bid();



      double sl=0.0;

      if(stop_loss<=0.0)

        {

         if(m_symbol.Name()==Inp_Custom_1_Sybmol)

           {

            sl=(Inp_Custom_1_StopLoss==0)?0.0:price+Ext_Custom_1_StopLoss;

            if(sl!=0.0 && Ext_Custom_1_StopLoss<level) // check sl

               sl=price+level;

           }

         else

           {

            sl=(Inp_Custom_2_StopLoss==0)?0.0:price+Ext_Custom_2_StopLoss;

            if(sl!=0.0 && Ext_Custom_2_StopLoss<level) // check sl

               sl=price+level;

           }

        }

      else

        {

         sl=(stop_loss==0.0)?0.0:price+stop_loss;

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

            sl=price+level;

        }



      double tp=0.0;

      if(take_profit<=0.0)

        {

         if(m_symbol.Name()==Inp_Custom_1_Sybmol)

           {

            tp=(Inp_Custom_1_TakeProfit==0)?0.0:price-Ext_Custom_1_TakeProfit;

            if(tp!=0.0 && Ext_Custom_1_TakeProfit<level) // check tp

               tp=price-level;

           }

         else

           {

            tp=(Inp_Custom_2_TakeProfit==0)?0.0:price-Ext_Custom_2_TakeProfit;

            if(tp!=0.0 && Ext_Custom_2_TakeProfit<level) // check tp

               tp=price-level;

           }

        }

      else

        {

         tp=(take_profit==0)?0.0:price-take_profit;

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

            tp=price-level;

        }



      OpenSell(index_in_structure,m_symbol,volume,sl,tp);

     }

  }

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

//| Open Buy position                                                |

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

void OpenBuy(const int index_in_structure,CSymbolInfo &m_symbol,const double volume,double sl,double tp)

  {

   sl=m_symbol.NormalizePrice(sl);

   tp=m_symbol.NormalizePrice(tp);



   double long_lot=0.0;

   if(volume>0.0)

      long_lot=volume;

   else

     {

      if(m_symbol.Name()==Inp_Custom_1_Sybmol)

        {

         if(Inp_Custom_1_LotOrRisk==risk)

           {

            long_lot=m_money_1.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)

              {

               SNeedPosition[index_in_structure].waiting_transaction=false;

               if(InpPrintLog)

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

               return;

              }

           }

         else if(Inp_Custom_1_LotOrRisk==lot)

            long_lot=Inp_Custom_1_VolumeLotOrRisk;

         else

           {

            SNeedPosition[index_in_structure].waiting_transaction=false;

            return;

           }

        }

      else

        {

         if(Inp_Custom_2_LotOrRisk==risk)

           {

            long_lot=m_money_2.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)

              {

               SNeedPosition[index_in_structure].waiting_transaction=false;

               if(InpPrintLog)

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

               return;

              }

           }

         else if(Inp_Custom_2_LotOrRisk==lot)

            long_lot=Inp_Custom_2_VolumeLotOrRisk;

         else

           {

            SNeedPosition[index_in_structure].waiting_transaction=false;

            return;

           }

        }

     }

   if(m_symbol.LotsLimit()>0.0)

     {

      int count_buys=0;    double volume_buys=0.0;    double volume_biggest_buys=0.0;

      int count_sells=0;   double volume_sells=0.0;   double volume_biggest_sells=0.0;

      CalculateAllPositions(m_symbol,count_buys,volume_buys,volume_biggest_buys,

                            count_sells,volume_sells,volume_biggest_sells);

      if(volume_buys+volume_sells+long_lot>m_symbol.LotsLimit())

        {

         Print("#0 Buy, Volume Buy (",DoubleToString(volume_buys,2),

               ") + Volume Sell (",DoubleToString(volume_sells,2),

               ") + Volume long (",DoubleToString(long_lot,2),

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

         return;

        }

     }

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

   double free_margin_check= m_account.FreeMarginCheck(m_symbol.Name(),ORDER_TYPE_BUY,long_lot,m_symbol.Ask());

   double margin_check     = m_account.MarginCheck(m_symbol.Name(),ORDER_TYPE_SELL,long_lot,m_symbol.Bid());

   if(free_margin_check>margin_check)

     {

      if(m_trade.Buy(long_lot,m_symbol.Name(),m_symbol.Ask(),sl,tp)) // CTrade::Buy -> "true"

        {

         if(m_trade.ResultDeal()==0)

           {

            if(m_trade.ResultRetcode()==10009) // trade order went to the exchange

              {

               SNeedPosition[index_in_structure].waiting_transaction=true;

               SNeedPosition[index_in_structure].waiting_order_ticket=m_trade.ResultOrder();

              }

            else

               SNeedPosition[index_in_structure].waiting_transaction=false;

            if(InpPrintLog)

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

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

            if(InpPrintLog)

               PrintResultTrade(m_trade,m_symbol);

           }

         else

           {

            if(m_trade.ResultRetcode()==10009)

              {

               SNeedPosition[index_in_structure].waiting_transaction=true;

               SNeedPosition[index_in_structure].waiting_order_ticket=m_trade.ResultOrder();

              }

            else

               SNeedPosition[index_in_structure].waiting_transaction=false;

            if(InpPrintLog)

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

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

            if(InpPrintLog)

               PrintResultTrade(m_trade,m_symbol);

           }

        }

      else

        {

         SNeedPosition[index_in_structure].waiting_transaction=false;

         if(InpPrintLog)

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

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

         if(InpPrintLog)

            PrintResultTrade(m_trade,m_symbol);

        }

     }

   else

     {

      ArrayRemove(SNeedPosition,index_in_structure,1);

      if(InpPrintLog)

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

      return;

     }

//---

  }

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

//| Open Sell position                                               |

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

void OpenSell(const int index_in_structure,CSymbolInfo &m_symbol,const double volume,double sl,double tp)

  {

   sl=m_symbol.NormalizePrice(sl);

   tp=m_symbol.NormalizePrice(tp);



   double short_lot=0.0;

   if(volume>0.0)

      short_lot=volume;

   else

     {

      if(m_symbol.Name()==Inp_Custom_1_Sybmol)

        {

         if(Inp_Custom_1_LotOrRisk==risk)

           {

            short_lot=m_money_1.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)

              {

               SNeedPosition[index_in_structure].waiting_transaction=false;

               if(InpPrintLog)

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

               return;

              }

           }

         else if(Inp_Custom_1_LotOrRisk==lot)

            short_lot=Inp_Custom_1_VolumeLotOrRisk;

         else

           {

            SNeedPosition[index_in_structure].waiting_transaction=false;

            return;

           }

        }

      else

        {

         if(Inp_Custom_2_LotOrRisk==risk)

           {

            short_lot=m_money_2.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)

              {

               SNeedPosition[index_in_structure].waiting_transaction=false;

               if(InpPrintLog)

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

               return;

              }

           }

         else if(Inp_Custom_2_LotOrRisk==lot)

            short_lot=Inp_Custom_2_VolumeLotOrRisk;

         else

           {

            SNeedPosition[index_in_structure].waiting_transaction=false;

            return;

           }

        }

     }

   if(m_symbol.LotsLimit()>0.0)

     {

      int count_buys=0;    double volume_buys=0.0;    double volume_biggest_buys=0.0;

      int count_sells=0;   double volume_sells=0.0;   double volume_biggest_sells=0.0;

      CalculateAllPositions(m_symbol,count_buys,volume_buys,volume_biggest_buys,

                            count_sells,volume_sells,volume_biggest_sells);

      if(volume_buys+volume_sells+short_lot>m_symbol.LotsLimit())

         Print("#0 Buy, Volume Buy (",DoubleToString(volume_buys,2),

               ") + Volume Sell (",DoubleToString(volume_sells,2),

               ") + Volume short (",DoubleToString(short_lot,2),

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

      return;

     }

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

   double free_margin_check= m_account.FreeMarginCheck(m_symbol.Name(),ORDER_TYPE_SELL,short_lot,m_symbol.Bid());

   double margin_check     = m_account.MarginCheck(m_symbol.Name(),ORDER_TYPE_SELL,short_lot,m_symbol.Bid());

   if(free_margin_check>margin_check)

     {

      if(m_trade.Sell(short_lot,m_symbol.Name(),m_symbol.Bid(),sl,tp)) // CTrade::Sell -> "true"

        {

         if(m_trade.ResultDeal()==0)

           {

            if(m_trade.ResultRetcode()==10009) // trade order went to the exchange

              {

               SNeedPosition[index_in_structure].waiting_transaction=true;

               SNeedPosition[index_in_structure].waiting_order_ticket=m_trade.ResultOrder();

              }

            else

               SNeedPosition[index_in_structure].waiting_transaction=false;

            if(InpPrintLog)

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

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

            if(InpPrintLog)

               PrintResultTrade(m_trade,m_symbol);

           }

         else

           {

            if(m_trade.ResultRetcode()==10009)

              {

               SNeedPosition[index_in_structure].waiting_transaction=true;

               SNeedPosition[index_in_structure].waiting_order_ticket=m_trade.ResultOrder();

              }

            else

               SNeedPosition[index_in_structure].waiting_transaction=false;

            if(InpPrintLog)

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

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

            if(InpPrintLog)

               PrintResultTrade(m_trade,m_symbol);

           }

        }

      else

        {

         SNeedPosition[index_in_structure].waiting_transaction=false;

         if(InpPrintLog)

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

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

         if(InpPrintLog)

            PrintResultTrade(m_trade,m_symbol);

        }

     }

   else

     {

      ArrayRemove(SNeedPosition,index_in_structure,1);

      if(InpPrintLog)

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

      return;

     }

//---

  }

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

//| 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());

  }

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

//| Get value of buffers                                             |

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

double iGetArray(const int handle,const int buffer,const int start_pos,const int count,double &arr_buffer[])

  {

   bool result=true;

   if(!ArrayIsDynamic(arr_buffer))

     {

      Print("This a no dynamic array!");

      return(false);

     }

   ArrayFree(arr_buffer);

//--- reset error code 

   ResetLastError();

//--- fill a part of the iBands array with values from the indicator buffer

   int copied=CopyBuffer(handle,buffer,start_pos,count,arr_buffer);

   if(copied!=count)

     {

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

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

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

      return(false);

     }

   return(result);

  }

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

//| Trailing                                                         |

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

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

void Trailing(CSymbolInfo &m_symbol,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(m_symbol.Name()==Inp_Custom_1_Sybmol && Inp_Custom_1_TrailingStop==0)

      return;

   if(m_symbol.Name()==Inp_Custom_2_Sybmol && Inp_Custom_2_TrailingStop==0)

      return;

   double ExtTrailingStop=0.0,ExtTrailingStep=0.0;

   if(m_symbol.Name()==Inp_Custom_1_Sybmol)

     {

      ExtTrailingStop=Ext_Custom_1_TrailingStop;

      ExtTrailingStep=Ext_Custom_1_TrailingStep;

     }

   else

     {

      ExtTrailingStop=Ext_Custom_2_TrailingStop;

      ExtTrailingStep=Ext_Custom_2_TrailingStep;

     }



   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_symbol);

                        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_symbol);

                        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()));

  }

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

//| Close positions                                                  |

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

void ClosePositions(CSymbolInfo &m_symbol,const ENUM_POSITION_TYPE pos_type,const double level)

  {

   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()==InpMagic)

            if(m_position.PositionType()==pos_type)

              {

               if(m_position.PositionType()==POSITION_TYPE_BUY)

                  if(MathAbs(m_symbol.Bid()-m_position.PriceOpen())>=level)

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

               if(m_position.PositionType()==POSITION_TYPE_SELL)

                  if(MathAbs(m_symbol.Ask()-m_position.PriceOpen())>=level)

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

              }

  }

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

//| Calculate all positions                                          |

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

void CalculateAllPositions(CSymbolInfo &m_symbol,int &count_buys,double &volume_buys,double &volume_biggest_buys,

                           int &count_sells,double &volume_sells,double &volume_biggest_sells)

  {

   count_buys  = 0;  volume_buys   = 0.0; volume_biggest_buys  = 0.0;

   count_sells = 0;  volume_sells  = 0.0; volume_biggest_sells = 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() && m_position.Magic()==InpMagic)

           {

            if(m_position.PositionType()==POSITION_TYPE_BUY)

              {

               count_buys++;

               volume_buys+=m_position.Volume();

               if(m_position.Volume()>volume_biggest_buys)

                  volume_biggest_buys=m_position.Volume();

               continue;

              }

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

              {

               count_sells++;

               volume_sells+=m_position.Volume();

               if(m_position.Volume()>volume_biggest_sells)

                  volume_biggest_sells=m_position.Volume();

              }

           }

  }

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

//| Search trading signals                                           |

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

bool SearchTradingSignals(CSymbolInfo  &m_symbol)

  {

   double laguerre[];

   ArraySetAsSeries(laguerre,true);

   int start_pos=0,count=3;



   int handle_iCustom=INVALID_HANDLE;

   string symbol="";

   bool revers=false;

   if(m_symbol.Name()==Inp_Custom_1_Sybmol)

     {

      handle_iCustom=handle_iCustom_1;

      symbol=Inp_Custom_1_Sybmol;

      revers=Inp_Custom_1_Reverse;

     }

   else

     {

      handle_iCustom=handle_iCustom_2;

      symbol=Inp_Custom_2_Sybmol;

      revers=Inp_Custom_1_Reverse;

     }



   if(!iGetArray(handle_iCustom,0,start_pos,count,laguerre))

     {

      return(false);

     }



   int size_need_position=ArraySize(SNeedPosition);

   if(laguerre[1]<0.5 && laguerre[0]>0.5)

     {

      if(!revers)

        {

         ArrayResize(SNeedPosition,size_need_position+1);

         SNeedPosition[size_need_position].pos_type=POSITION_TYPE_BUY;

         SNeedPosition[size_need_position].symbol=symbol;

         return(true);

        }

      else

        {

         ArrayResize(SNeedPosition,size_need_position+1);

         SNeedPosition[size_need_position].pos_type=POSITION_TYPE_SELL;

         SNeedPosition[size_need_position].symbol=symbol;

         return(true);

        }

     }

   if(laguerre[1]>0.5 && laguerre[0]<0.5)

     {

      if(!revers)

        {

         ArrayResize(SNeedPosition,size_need_position+1);

         SNeedPosition[size_need_position].pos_type=POSITION_TYPE_SELL;

         SNeedPosition[size_need_position].symbol=symbol;

         return(true);

        }

      else

        {

         ArrayResize(SNeedPosition,size_need_position+1);

         SNeedPosition[size_need_position].pos_type=POSITION_TYPE_BUY;

         SNeedPosition[size_need_position].symbol=symbol;

         return(true);

        }

     }

//---

   return(true);

  }

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