iMACD Martin

Author: Copyright © 2020, Vladimir Karputov
Price Data Components
Series array that contains tick volumes of each bar
Indicators Used
MACD Histogram
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iMACD Martin
ÿþ//+------------------------------------------------------------------+

//|                                                 iMACD Martin.mq5 |

//|                              Copyright © 2020, Vladimir Karputov |

//|                     https://www.mql5.com/ru/market/product/43516 |

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

#property copyright "Copyright © 2020, Vladimir Karputov"

#property link      "https://www.mql5.com/ru/market/product/43516"

#property version   "1.000"

/*

   barabashkakvn Trading engine 3.112

*/

#include <Trade\PositionInfo.mqh>

#include <Trade\Trade.mqh>

#include <Trade\SymbolInfo.mqh>

#include <Trade\AccountInfo.mqh>

//---

CPositionInfo  m_position;                   // object of CPositionInfo class

CTrade         m_trade;                      // object of CTrade class

CSymbolInfo    m_symbol;                     // object of CSymbolInfo class

CAccountInfo   m_account;                    // object of CAccountInfo class

//--- input parameters

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

input ushort   InpNumberMinimumLots = 1;           // The number of minimum lots (for start lot)

input ulong    InpDeviation         = 10;          // Deviation, in points (1.00045-1.00055=10 points)

//--- MACD

input int                  Inp_MACD_fast_ema_period= 12;          // MACD: period for Fast average calculation

input int                  Inp_MACD_slow_ema_period= 26;          // MACD: period for Slow average calculation

input int                  Inp_MACD_signal_period  = 9;           // MACD: period for their difference averaging

input ENUM_APPLIED_PRICE   Inp_MACD_applied_price  = PRICE_CLOSE; // MACD: type of price

input bool                 InpMACDSignalReverse    = true;        // Signal Reverse Use

input bool                 InpMACDSignalCrossover  = false;       // Signal Crossover of the main and signal line Use

input bool                 InpMACDSignalCrossing   = false;       // Signal Crossing the zero level Use

//---

input double               InpProfitTarget         = 30.0;        // Profit target

input double               InpPositionIncreaseRatio= 1.6;         // Position Increase Ratio

input ushort               InpMinimumStep          = 15;          // Minimum step between positions ('0' -> off)

input double               InpMaximumPositionVolume= 1.5;         // Maximum position volume

input double               InpMaximumTotalVolume   = 6.31;        // The maximum total volume of positions

//---

input bool     InpPrintLog          = false;       // Print log

input ulong    InpMagic             = 450264508;   // Magic number

//---

double   m_minimum_step             = 0.0;      // Minimum step between positions   -> double



int      handle_iMACD;                          // variable for storing the handle of the iMACD indicatorr



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

bool     m_need_close_all           = false;    // close all positions

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

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

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

int      m_bar_current              = 0;

bool     m_global_stop              = false;    // global stop



ENUM_DEAL_TYPE m_last_deal_in_type  = WRONG_VALUE; // last deal IN type

double   m_last_deal_in_volume      = 0.0;         // last deal IN volume

double   m_last_deal_in_price       = 0.0;         // last deal IN price

//--- the tactic is this: for positions we strictly monitor the result ***

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

//| Structure Positions                                              |

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

struct STRUCT_POSITION

  {

   ENUM_POSITION_TYPE pos_type;              // position type

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

   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_POSITION()

     {

      pos_type                   = WRONG_VALUE;

      volume                     = 0.0;

      waiting_transaction        = false;

      waiting_order_ticket       = 0;

      transaction_confirmed      = false;

     }

  };

STRUCT_POSITION SPosition[];

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

//| Expert initialization function                                   |

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

int OnInit()

  {

//---

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

     {

      Print(__FILE__," ",__FUNCTION__,", ERROR: CSymbolInfo.Name");

      return(INIT_FAILED);

     }

   RefreshRates();

//---

   m_trade.SetExpertMagicNumber(InpMagic);

   m_trade.SetMarginMode();

   m_trade.SetTypeFillingBySymbol(m_symbol.Name());

   m_trade.SetDeviationInPoints(InpDeviation);

//--- tuning for 3 or 5 digits

   int digits_adjust=1;

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

      digits_adjust=10;

   m_adjusted_point=m_symbol.Point()*digits_adjust;



   m_minimum_step       = InpMinimumStep     * m_adjusted_point;



//--- create handle of the indicator iMACD

   handle_iMACD=iMACD(m_symbol.Name(),Period(),Inp_MACD_fast_ema_period,Inp_MACD_slow_ema_period,

                      Inp_MACD_signal_period,Inp_MACD_applied_price);

//--- if the handle is not created

   if(handle_iMACD==INVALID_HANDLE)

     {

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

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

                  m_symbol.Name(),

                  EnumToString(Period()),

                  GetLastError());

      //--- the indicator is stopped early

      return(INIT_FAILED);

     }

//---

   m_bar_current=(InpSignalsFrequency<10)?1:0;

   m_global_stop=false;

//---

   return(INIT_SUCCEEDED);

  }

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

//| Expert deinitialization function                                 |

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

void OnDeinit(const int reason)

  {

//---



  }

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

//| Expert tick function                                             |

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

void OnTick()

  {

   if(m_need_close_all)

     {

      if(IsPositionExists())

        {

         double level;

         if(FreezeStopsLevels(level))

           {

            CloseAllPositions(level);

            return;

           }

         else

            return;

        }

      else

        {

         m_need_close_all=false;

         m_last_deal_in_type=WRONG_VALUE;

         m_last_deal_in_volume=0.0;

         m_last_deal_in_price=0.0;

        }

     }

//---

   if(m_global_stop)

      return;

//---

   if(ProfitAllPositions()>=InpProfitTarget)

     {

      m_need_close_all=true;

      return;

     }

//---

   int size_need_position=ArraySize(SPosition);

   if(size_need_position>0)

     {

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

        {

         if(SPosition[i].waiting_transaction)

           {

            if(!SPosition[i].transaction_confirmed)

              {

               if(InpPrintLog)

                  Print(__FILE__," ",__FUNCTION__,", OK: ","transaction_confirmed: ",SPosition[i].transaction_confirmed);

               return;

              }

            else

               if(SPosition[i].transaction_confirmed)

                 {

                  ArrayRemove(SPosition,i,1);

                  return;

                 }

           }

         if(SPosition[i].pos_type==POSITION_TYPE_BUY)

           {

            double level;

            if(FreezeStopsLevels(level))

              {

               SPosition[i].waiting_transaction=true;

               OpenPosition(i,level);

              }

            return;

           }

         if(SPosition[i].pos_type==POSITION_TYPE_SELL)

           {

            double level;

            if(FreezeStopsLevels(level))

              {

               SPosition[i].waiting_transaction=true;

               OpenPosition(i,level);

              }

            return;

           }

        }

     }

//---

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

     {

      datetime time_current=TimeCurrent();

      if(time_current-m_last_signal>10)

        {

         //--- search for trading signals

         if(!RefreshRates())

           {

            m_prev_bars=0;

            return;

           }

         if(!SearchTradingSignals())

           {

            m_prev_bars=0;

            return;

           }

         m_last_signal=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==m_prev_bars)

      return;

   m_prev_bars=time_0;

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

     {

      if(!RefreshRates())

        {

         m_prev_bars=0;

         return;

        }

      //--- search for trading signals

      if(!SearchTradingSignals())

        {

         m_prev_bars=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)

              {

               m_last_deal_in=iTime(m_symbol.Name(),Period(),0);

               m_last_deal_in_type=(ENUM_DEAL_TYPE)deal_type;

               m_last_deal_in_volume=deal_volume;

               m_last_deal_in_price=deal_price;

              }

            int size_need_position=ArraySize(SPosition);

            if(size_need_position>0)

              {

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

                 {

                  if(SPosition[i].waiting_transaction)

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

                       {

                        Print(__FUNCTION__," Transaction confirmed");

                        SPosition[i].transaction_confirmed=true;

                        break;

                       }

                 }

              }

           }

        }

     }

  }

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

//| Refreshes the symbol quotes data                                 |

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

bool RefreshRates()

  {

//--- refresh rates

   if(!m_symbol.RefreshRates())

     {

      if(InpPrintLog)

         Print(__FILE__," ",__FUNCTION__,", ERROR: ","RefreshRates error");

      return(false);

     }

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

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

     {

      if(InpPrintLog)

         Print(__FILE__," ",__FUNCTION__,", ERROR: ","Ask == 0.0 OR Bid == 0.0");

      return(false);

     }

//---

   return(true);

  }

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

//| Lot Check                                                        |

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

double LotCheck(double lots,CSymbolInfo &symbol)

  {

//--- calculate maximum volume

   double volume=NormalizeDouble(lots,2);

   double stepvol=symbol.LotsStep();

   if(stepvol>0.0)

      volume=stepvol*MathFloor(volume/stepvol);

//---

   double minvol=symbol.LotsMin();

   if(volume<minvol)

      volume=0.0;

//---

   double maxvol=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()*m_symbol.Point()*3.0;

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

//---

   return(true);

  }

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

//| Open position                                                    |

//|   double stop_loss                                               |

//|      -> pips * m_adjusted_point (if "0.0" -> the m_stop_loss)    |

//|   double take_profit                                             |

//|      -> pips * m_adjusted_point (if "0.0" -> the m_take_profit)  |

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

void OpenPosition(const int index,const double 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

   */

//--- buy

   if(SPosition[index].pos_type==POSITION_TYPE_BUY)

     {

      OpenBuy(index);

      return;

     }

//--- sell

   if(SPosition[index].pos_type==POSITION_TYPE_SELL)

     {

      OpenSell(index);

      return;

     }

  }

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

//| Open Buy position                                                |

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

void OpenBuy(const int index)

  {

   double sl=0.0;

   double tp=0.0;



   double long_lot=0.0;

   if(SPosition[index].volume>0.0)

      long_lot=SPosition[index].volume;

   else

     {

      ArrayRemove(SPosition,index,1);

      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(count_buys,volume_buys,volume_biggest_buys,

                            count_sells,volume_sells,volume_biggest_sells);

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

        {

         ArrayRemove(SPosition,index,1);

         if(InpPrintLog)

            Print(__FILE__," ",__FUNCTION__,", ERROR: ","#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_BUY,

                       long_lot,

                       m_symbol.Ask());

   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

              {

               SPosition[index].waiting_transaction=true;

               SPosition[index].waiting_order_ticket=m_trade.ResultOrder();

              }

            else

              {

               SPosition[index].waiting_transaction=false;

               if(InpPrintLog)

                  Print(__FILE__," ",__FUNCTION__,", ERROR: ","#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)

              {

               SPosition[index].waiting_transaction=true;

               SPosition[index].waiting_order_ticket=m_trade.ResultOrder();

              }

            else

              {

               SPosition[index].waiting_transaction=false;

               if(InpPrintLog)

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

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

              }

            if(InpPrintLog)

               PrintResultTrade(m_trade,m_symbol);

           }

        }

      else

        {

         SPosition[index].waiting_transaction=false;

         if(InpPrintLog)

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

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

         if(InpPrintLog)

            PrintResultTrade(m_trade,m_symbol);

        }

     }

   else

     {

      ArrayRemove(SPosition,index,1);

      if(InpPrintLog)

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

      return;

     }

//---

  }

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

//| Open Sell position                                               |

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

void OpenSell(const int index)

  {

   double sl=0.0;

   double tp=0.0;



   double short_lot=0.0;

   if(SPosition[index].volume>0.0)

      short_lot=SPosition[index].volume;

   else

     {

      ArrayRemove(SPosition,index,1);

      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(count_buys,volume_buys,volume_biggest_buys,

                            count_sells,volume_sells,volume_biggest_sells);

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

        {

         ArrayRemove(SPosition,index,1);

         if(InpPrintLog)

            Print(__FILE__," ",__FUNCTION__,", ERROR: ","#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

              {

               SPosition[index].waiting_transaction=true;

               SPosition[index].waiting_order_ticket=m_trade.ResultOrder();

              }

            else

              {

               SPosition[index].waiting_transaction=false;

               if(InpPrintLog)

                  Print(__FILE__," ",__FUNCTION__,", ERROR: ","#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)

              {

               SPosition[index].waiting_transaction=true;

               SPosition[index].waiting_order_ticket=m_trade.ResultOrder();

              }

            else

              {

               SPosition[index].waiting_transaction=false;

               if(InpPrintLog)

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

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

              }

            if(InpPrintLog)

               PrintResultTrade(m_trade,m_symbol);

           }

        }

      else

        {

         SPosition[index].waiting_transaction=false;

         if(InpPrintLog)

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

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

         if(InpPrintLog)

            PrintResultTrade(m_trade,m_symbol);

        }

     }

   else

     {

      ArrayRemove(SPosition,index,1);

      if(InpPrintLog)

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

      return;

     }

//---

  }

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

//| Print CTrade result                                              |

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

void PrintResultTrade(CTrade &trade,CSymbolInfo &symbol)

  {

   Print(__FILE__," ",__FUNCTION__,", Symbol: ",symbol.Name()+", "+

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

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

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

         "Order ticket: "+IntegerToString(trade.ResultOrder())+", "+

         "Order retcode external: "+IntegerToString(trade.ResultRetcodeExternal())+", "+

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

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

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

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

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

  }

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

//| Get value of buffers                                             |

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

bool iGetArray(const int handle,const int buffer,const int start_pos,

               const int count,double &arr_buffer[])

  {

   bool result=true;

   if(!ArrayIsDynamic(arr_buffer))

     {

      if(InpPrintLog)

         PrintFormat("ERROR! EA: %s, FUNCTION: %s, this a no dynamic array!",__FILE__,__FUNCTION__);

      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

      if(InpPrintLog)

         PrintFormat("ERROR! EA: %s, FUNCTION: %s, amount to copy: %d, copied: %d, error code %d",

                     __FILE__,__FUNCTION__,count,copied,GetLastError());

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

      return(false);

     }

   return(result);

  }

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

//| Calculate all positions                                          |

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

void CalculateAllPositions(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())

           {

            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(void)

  {

   double main[],signal[];

   ArraySetAsSeries(main,true);

   ArraySetAsSeries(signal,true);

   int start_pos=0,count=6;

   if(!iGetArray(handle_iMACD,MAIN_LINE,start_pos,count,main) ||

      !iGetArray(handle_iMACD,SIGNAL_LINE,start_pos,count,signal))

     {

      return(false);

     }



   if(InpMACDSignalReverse)

     {

      //--- check buy signal

      if(m_last_deal_in_type==WRONG_VALUE || m_last_deal_in_type==DEAL_TYPE_BUY) // deal type

         if(main[m_bar_current+2]>main[m_bar_current+1] && main[m_bar_current+1]<main[m_bar_current]) // signal

           {

            //--- step

            if(m_minimum_step>0.0 && (m_last_deal_in_price>0.0 && MathAbs(m_symbol.Ask()-m_last_deal_in_price)<m_minimum_step))

               return(true);

            //--- volume

            double lot=CalculateVolume();

            if(lot>0.0)

              {

               int size_need_position=ArraySize(SPosition);

               if(m_prev_bars==m_last_deal_in) // on one bar - only one deal

                  return(true);

               ArrayResize(SPosition,size_need_position+1);

               SPosition[size_need_position].pos_type=POSITION_TYPE_BUY;

               SPosition[size_need_position].volume=lot;

               if(InpPrintLog)

                  Print(__FILE__," ",__FUNCTION__,", OK: ","Signal Reverse BUY");

               return(true);

              }

            else

              {

               m_global_stop=true;

               ArrayFree(SPosition);

               return(true);

              }

           }

      //--- check sell signal

      if(m_last_deal_in_type==WRONG_VALUE || m_last_deal_in_type==DEAL_TYPE_SELL) // deal type

         if(main[m_bar_current+2]<main[m_bar_current+1] && main[m_bar_current+1]>main[m_bar_current]) // signal

           {

            //--- step

            if(m_minimum_step>0.0 && (m_last_deal_in_price>0.0 && MathAbs(m_symbol.Bid()-m_last_deal_in_price)<m_minimum_step))

               return(true);

            //--- volume

            double lot=CalculateVolume();

            if(lot>0.0)

              {

               int size_need_position=ArraySize(SPosition);

               if(m_prev_bars==m_last_deal_in) // on one bar - only one deal

                  return(true);

               ArrayResize(SPosition,size_need_position+1);

               SPosition[size_need_position].pos_type=POSITION_TYPE_SELL;

               SPosition[size_need_position].volume=lot;

               if(InpPrintLog)

                  Print(__FILE__," ",__FUNCTION__,", OK: ","Signal Reverse SELL");

               return(true);

              }

            else

              {

               m_global_stop=true;

               ArrayFree(SPosition);

               return(true);

              }

           }

     }

//---

   if(InpMACDSignalCrossover)

     {

      //--- check buy signal

      if(m_last_deal_in_type==WRONG_VALUE || m_last_deal_in_type==DEAL_TYPE_BUY) // deal type

         if(main[m_bar_current+1]<signal[m_bar_current+1] && main[m_bar_current]>signal[m_bar_current]) // signal

           {

            //--- step

            if(m_minimum_step>0.0 && (m_last_deal_in_price>0.0 && MathAbs(m_symbol.Ask()-m_last_deal_in_price)<m_minimum_step))

               return(true);

            //--- volume

            double lot=CalculateVolume();

            if(lot>0.0)

              {

               int size_need_position=ArraySize(SPosition);

               if(m_prev_bars==m_last_deal_in) // on one bar - only one deal

                  return(true);

               ArrayResize(SPosition,size_need_position+1);

               SPosition[size_need_position].pos_type=POSITION_TYPE_BUY;

               SPosition[size_need_position].volume=lot;

               if(InpPrintLog)

                  Print(__FILE__," ",__FUNCTION__,", OK: ","Signal Crossover of the main and signal line BUY");

               return(true);

              }

            else

              {

               m_global_stop=true;

               ArrayFree(SPosition);

               return(true);

              }

           }

      //--- check sell signal

      if(m_last_deal_in_type==WRONG_VALUE || m_last_deal_in_type==DEAL_TYPE_SELL) // deal type

         if(main[m_bar_current+1]>signal[m_bar_current+1] && main[m_bar_current]<signal[m_bar_current]) // signal

           {

            //--- step

            if(m_minimum_step>0.0 && (m_last_deal_in_price>0.0 && MathAbs(m_symbol.Bid()-m_last_deal_in_price)<m_minimum_step))

               return(true);

            //--- volume

            double lot=CalculateVolume();

            if(lot>0.0)

              {

               int size_need_position=ArraySize(SPosition);

               if(m_prev_bars==m_last_deal_in) // on one bar - only one deal

                  return(true);

               ArrayResize(SPosition,size_need_position+1);

               SPosition[size_need_position].pos_type=POSITION_TYPE_SELL;

               SPosition[size_need_position].volume=lot;

               if(InpPrintLog)

                  Print(__FILE__," ",__FUNCTION__,", OK: ","Signal Crossover of the main and signal line SELL");

               return(true);

              }

            else

              {

               m_global_stop=true;

               ArrayFree(SPosition);

               return(true);

              }

           }

     }

//---

   if(InpMACDSignalCrossing)

     {

      //--- check buy signal

      if(m_last_deal_in_type==WRONG_VALUE || m_last_deal_in_type==DEAL_TYPE_BUY) // deal type

         if(main[m_bar_current+1]<0.0 && main[m_bar_current]>0.0) // signal

           {

            //--- step

            if(m_minimum_step>0.0 && (m_last_deal_in_price>0.0 && MathAbs(m_symbol.Ask()-m_last_deal_in_price)<m_minimum_step))

               return(true);

            //--- volume

            double lot=CalculateVolume();

            if(lot>0.0)

              {

               int size_need_position=ArraySize(SPosition);

               if(m_prev_bars==m_last_deal_in) // on one bar - only one deal

                  return(true);

               ArrayResize(SPosition,size_need_position+1);

               SPosition[size_need_position].pos_type=POSITION_TYPE_BUY;

               SPosition[size_need_position].volume=lot;

               if(InpPrintLog)

                  Print(__FILE__," ",__FUNCTION__,", OK: ","Signal Crossing the zero level BUY");

               return(true);

              }

            else

              {

               m_global_stop=true;

               ArrayFree(SPosition);

               return(true);

              }

           }

      //--- check sell signal

      if(m_last_deal_in_type==WRONG_VALUE || m_last_deal_in_type==DEAL_TYPE_SELL) // deal type

         if(main[m_bar_current+1]>0.0 && main[m_bar_current]<0.0) // signal

           {

            //--- step

            if(m_minimum_step>0.0 && (m_last_deal_in_price>0.0 && MathAbs(m_symbol.Bid()-m_last_deal_in_price)<m_minimum_step))

               return(true);

            //--- volume

            double lot=CalculateVolume();

            if(lot>0.0)

              {

               int size_need_position=ArraySize(SPosition);

               if(m_prev_bars==m_last_deal_in) // on one bar - only one deal

                  return(true);

               ArrayResize(SPosition,size_need_position+1);

               SPosition[size_need_position].pos_type=POSITION_TYPE_SELL;

               SPosition[size_need_position].volume=lot;

               if(InpPrintLog)

                  Print(__FILE__," ",__FUNCTION__,", OK: ","Signal Crossing the zero level SELL");

               return(true);

              }

            else

              {

               m_global_stop=true;

               ArrayFree(SPosition);

               return(true);

              }

           }

     }

//---

   return(true);

  }

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

//| Is position exists                                               |

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

bool IsPositionExists(void)

  {

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

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

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

            return(true);

//---

   return(false);

  }

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

//| Close all positions                                              |

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

void CloseAllPositions(const double level)

  {

   /*

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

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

      TakeProfit        >= Bid                        |  TakeProfit        <= Ask

      StopLoss          <= Bid                        |  StopLoss          >= Ask

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

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

   */

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

              {

               bool take_profit_level=(m_position.TakeProfit()!=0.0 && m_position.TakeProfit()-m_position.PriceCurrent()>=level) || m_position.TakeProfit()==0.0;

               bool stop_loss_level=(m_position.StopLoss()!=0.0 && m_position.PriceCurrent()-m_position.StopLoss()>=level) || m_position.StopLoss()==0.0;

               if(take_profit_level && stop_loss_level)

                  if(!m_trade.PositionClose(m_position.Ticket())) // close a position by the specified m_symbol

                     if(InpPrintLog)

                        Print(__FILE__," ",__FUNCTION__,", ERROR: ","CTrade.PositionClose ",m_position.Ticket());

              }

            if(m_position.PositionType()==POSITION_TYPE_SELL)

              {

               bool take_profit_level=(m_position.TakeProfit()!=0.0 && m_position.PriceCurrent()-m_position.TakeProfit()>=level) || m_position.TakeProfit()==0.0;

               bool stop_loss_level=(m_position.StopLoss()!=0.0 && m_position.StopLoss()-m_position.PriceCurrent()>=level) || m_position.StopLoss()==0.0;

               if(take_profit_level && stop_loss_level)

                  if(!m_trade.PositionClose(m_position.Ticket())) // close a position by the specified m_symbol

                     if(InpPrintLog)

                        Print(__FILE__," ",__FUNCTION__,", ERROR: ","CTrade.PositionClose ",m_position.Ticket());

              }

           }

  }

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

//| Calculate Volume                                                 |

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

double CalculateVolume(void)

  {

   double volume=0.0;

   if(m_last_deal_in_volume==0.0)

      volume=LotCheck((double)InpNumberMinimumLots*m_symbol.LotsMin(),m_symbol);

   else

      volume=LotCheck(m_last_deal_in_volume*InpPositionIncreaseRatio,m_symbol);

//--- check Maximum position volume

   if(volume>=InpMaximumPositionVolume)

      return(0.0);

//--- check The maximum total volume of positions

   if(CalculateTotalVolume()>=InpMaximumTotalVolume+volume)

      return(0.0);

//---

   return(volume);

  }

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

//| Calculate Total Volume                                           |

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

double CalculateTotalVolume(void)

  {

   double total_volume=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)

            total_volume+=m_position.Volume();

//---

   return(total_volume);

  }

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

//| Profit all positions                                             |

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

double ProfitAllPositions(void)

  {

   double profit=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)

            profit+=m_position.Commission()+m_position.Swap()+m_position.Profit();

//---

   return(profit);

  }

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

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