//+------------------------------------------------------------------+
//|                                                  ExpertMoney.mqh |
//|                                  Copyright 2023 - Dev.Solve LTDA |
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+
//| Macro definitions.                                               |
//+------------------------------------------------------------------+
#include "ExpertError.mqh"
//+------------------------------------------------------------------+
//| Class CExpertMoney.                                              |
//| Purpose: Base class money managment.                             |
//| Derives from class CExpertBase.                                  |
//+------------------------------------------------------------------+
class CExpertMoney
  {
protected:
   //--- input parameters
   string            m_symbol;
   ulong             m_magic;
   double            m_tick_size;
   double            m_tick_value;
   double            m_lots_min;
   double            m_lots_max;
   double            m_lots_step;
public:
                     CExpertMoney(void);
                    ~CExpertMoney(void);
   //--- init
   bool              Init(string symbol,ulong magic);
   //--- method of verification of settings
   virtual bool      ValidationSettings();
   //---
   virtual double    Lot(double price,double sl);

  };
//+------------------------------------------------------------------+
//| Constructor                                                      |
//+------------------------------------------------------------------+
void CExpertMoney::CExpertMoney(void)
  {
  }
//+------------------------------------------------------------------+
//| Destructor                                                       |
//+------------------------------------------------------------------+
void CExpertMoney::~CExpertMoney(void)
  {
  }
//+------------------------------------------------------------------+
//| Init                                                             |
//+------------------------------------------------------------------+
bool CExpertMoney::Init(string symbol,ulong magic)
  {
//--- set symbol property
   m_symbol=symbol;
   if(!SymbolInfoDouble(m_symbol,SYMBOL_TRADE_TICK_SIZE,m_tick_size))
      return(false);
   if(!SymbolInfoDouble(m_symbol,SYMBOL_TRADE_TICK_VALUE,m_tick_value))
      return(false);
   if(!SymbolInfoDouble(m_symbol,SYMBOL_VOLUME_MIN,m_lots_min))
      return(false);
   if(!SymbolInfoDouble(m_symbol,SYMBOL_VOLUME_MAX,m_lots_max))
      return(false);
   if(!SymbolInfoDouble(m_symbol,SYMBOL_VOLUME_STEP,m_lots_step))
      return(false);
//--- magic
   m_magic=magic;
//--- ok
   return(true);
  }
//+------------------------------------------------------------------+
//| Validation settings protected data.                              |
//+------------------------------------------------------------------+
bool CExpertMoney::ValidationSettings()
  {
//--- 
   return(true);
  }
//+------------------------------------------------------------------+
//| Getting lot size for open position.                              |
//+------------------------------------------------------------------+
double CExpertMoney::Lot(double price,double sl)
  {
//---
   return(m_lots_min);
  }
//+------------------------------------------------------------------+