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MultiSymbolSignals/Experts/MultiSymbol/MultiSymbol MACD signals.mq5

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<EFBFBD><EFBFBD>//+------------------------------------------------------------------+
//| MultiSymbol MACD signals.mq5 |
//| Copyright <EFBFBD> 2019, Vladimir Karputov |
//| http://wmua.ru/slesar/ |
//+------------------------------------------------------------------+
#property copyright "Copyright <00> 2019, Vladimir Karputov"
#property link "http://wmua.ru/slesar/"
#property version "1.000"
#include <Arrays\ArrayObj.mqh>
#include <Trade\SymbolInfo.mqh>
CArrayObj m_array_obj; // CArrayObj object
CSymbolInfo ClassSymbol; // symbol info object
//+------------------------------------------------------------------+
//| Enum Lor or Risk |
//+------------------------------------------------------------------+
enum ENUM_LOT_OR_RISK
{
lot=0, // Constant lot
risk=1, // Risk in percent for a deal
};
//+------------------------------------------------------------------+
//| Structure Need Positions |
//+------------------------------------------------------------------+
struct STRUCT_NEED_POSITION
{
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 (if "0.0" -> the "Stop Loss, in pips")
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()
{
pos_type = WRONG_VALUE;
volume = 0.0;
stop_loss = 0.0;
waiting_transaction = false;
waiting_order_ticket = 0;
transaction_confirmed = false;
}
};
//--- input parameters
input string MasterSymbols="EURUSD,USDJPY,USDCAD"; // Symbols
input ushort MasterStopLoss = 45; // Stop Loss, in pips (1.00045-1.00055=1 pips)
input ushort MasterTakeProfit = 96; // Take Profit, in pips (1.00045-1.00055=1 pips)
input ushort MasterTrailingFrequency = 10; // Trailing, in seconds (< "10" -> only on a new bar)
input ushort MasterTrailingStop = 25; // Trailing Stop (min distance from price to Stop Loss, in pips
input ushort MasterTrailingStep = 5; // Trailing Step, in pips (1.00045-1.00055=1 pips)
input ENUM_LOT_OR_RISK MasterLotOrRisk = risk; // Money management: Lot OR Risk
input double MasterVolumeLotOrRisk = 1.0; // The value for "Money management"
//---
input bool MasterOnlyOne = true; // Only one positions
input bool MasterCloseOpposite = true; // Close opposite
input bool MasterPrintLog = false; // Print log
input ulong MasterMagic = 40242548; // Magic number
//+------------------------------------------------------------------+
//| Expert initialization function |
//+------------------------------------------------------------------+
int OnInit()
{
//---
string to_split=MasterSymbols; // a string to split into substrings
StringTrimLeft(to_split);
StringTrimRight(to_split);
string sep=","; // a separator as a character
ushort u_sep; // the code of the separator character
string result[]; // an array to get strings
//--- get the separator code
u_sep=StringGetCharacter(sep,0);
//--- split the string to substrings
int k=StringSplit(to_split,u_sep,result);
for(int i=0;i<k;i++)
{
SymbolSelect(result[i],true);// sets symbol name
Sleep(3000);
}
for(int i=0;i<k;i++)
{
if(!ClassSymbol.Name(result[i])) // sets symbol name
return(INIT_FAILED);
CTradingEngine3 *multi=new CTradingEngine3;
if(multi==NULL)
{
Print("Object CTradingEngine3 create error");
return(INIT_FAILED);
}
m_array_obj.Add(multi);
int init=multi.OnInit(
result[i],
MasterStopLoss,
MasterTakeProfit,
MasterTrailingFrequency,
MasterTrailingStop,
MasterTrailingStep,
MasterLotOrRisk,
MasterVolumeLotOrRisk,
MasterOnlyOne,
MasterCloseOpposite,
MasterPrintLog,
MasterMagic
);
if(init!=INIT_SUCCEEDED)
return(init);
}
//---
return(INIT_SUCCEEDED);
}
//+------------------------------------------------------------------+
//| Expert deinitialization function |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
{
//---
for(int i=0;i<m_array_obj.Total();i++)
{
CTradingEngine3 *multi=m_array_obj.At(i);
if(multi==NULL)
{
//--- Error reading from array
Print("Object CMultiGrid create error");
return;
}
multi.OnDeinit(reason);
}
}
//+------------------------------------------------------------------+
//| Expert tick function |
//+------------------------------------------------------------------+
void OnTick()
{
//---
for(int i=0;i<m_array_obj.Total();i++)
{
CTradingEngine3 *multi=m_array_obj.At(i);
if(multi==NULL)
{
//--- Error reading from array
Print("Object CMultiGrid create error");
return;
}
multi.OnTick();
}
}
//+------------------------------------------------------------------+
//| TradeTransaction function |
//+------------------------------------------------------------------+
void OnTradeTransaction(const MqlTradeTransaction &trans,
const MqlTradeRequest &request,
const MqlTradeResult &result)
{
//---
for(int i=0;i<m_array_obj.Total();i++)
{
CTradingEngine3 *multi=m_array_obj.At(i);
if(multi==NULL)
{
//--- Error reading from array
Print("Object CMultiiMATrend create error");
return;
}
multi.OnTradeTransaction(trans,request,result);
}
}
//+------------------------------------------------------------------+
//| CTradingEngine3.mqh |
//| Copyright <EFBFBD> 2019, Vladimir Karputov |
//| http://wmua.ru/slesar/ |
//+------------------------------------------------------------------+
#property copyright "Copyright <00> 2019, Vladimir Karputov"
#property link "http://wmua.ru/slesar/"
#property version "1.001"
#property description "barabashkakvn Class Trading engine 3.006"
//---
#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>
//---
//+------------------------------------------------------------------+
//| Class CTradingEngine3. |
//| Appointment: Class Expert Advisor. |
//| Derives from class CObject. |
//+------------------------------------------------------------------+
class CTradingEngine3 : public CObject
{
protected:
CPositionInfo m_position; // trade position object
CTrade m_trade; // trading object
CSymbolInfo m_symbol; // symbol info object
CAccountInfo m_account; // account info wrapper
CDealInfo m_deal; // deals object
COrderInfo m_order; // pending orders object
CMoneyFixedMargin *m_money;
//--- input parameters
ushort InpStopLoss;
ushort InpTakeProfit;
ushort InpTrailingFrequency;
ushort InpTrailingStop;
ushort InpTrailingStep;
ENUM_LOT_OR_RISK InpLotOrRisk;
double InpVolumeLotOrRisk;
//---
bool InpOnlyOne;
bool InpCloseOpposite;
bool InpPrintLog;
ulong InpMagic;
//---
ulong ExtSlippage;
double ExtStopLoss;
double ExtTakeProfit;
double ExtTrailingStop;
double ExtTrailingStep;
int m_handle_macd; // variable for storing the handle of the iMACD indicator
double ExtAdjustedPoint; // point value adjusted for 3 or 5 points
/*
bool ExtNeedOpenBuy = false;
bool ExtNeedOpenSell = false;
*/
datetime ExtLastTrailing;
datetime ExtPrevBars;
//---
STRUCT_NEED_POSITION SNeedPosition[];
public:
CTradingEngine3();
~CTradingEngine3();
//--- Expert initialization function
int OnInit(
string Symbol_,
ushort StopLoss,
ushort TakeProfit,
ushort TrailingFrequency,
ushort TrailingStop,
ushort TrailingStep,
ENUM_LOT_OR_RISK LotOrRisk,
double VolumeLotOrRisk,
bool OnlyOne,
bool CloseOpposite,
bool PrintLog,
ulong Magic
);
//--- Expert deinitialization function
void OnDeinit(const int reason);
//--- Expert tick function
void OnTick();
//--- TradeTransaction function
void OnTradeTransaction(const MqlTradeTransaction &trans,
const MqlTradeRequest &request,
const MqlTradeResult &result);
//--- Refreshes the symbol quotes data
bool RefreshRates(void);
//--- Check the correctness of the position volume
bool CheckVolumeValue(double volume,string &error_description);
//--- Check Freeze and Stops levels
bool FreezeStopsLevels(double &level);
//--- Open position
void OpenPosition(const int index_in_structure,const ENUM_POSITION_TYPE pos_type,
const double volume,const double stop_loss,const double level);
//--- Open Buy position
void OpenBuy(const int index_in_structure,const double volume,double sl,double tp);
//--- Open Sell position
void OpenSell(const int index_in_structure,const double volume,double sl,double tp);
//--- Print CTrade result
void PrintResultTrade(CTrade &trade,CSymbolInfo &symbol);
//--- Get value of buffers
double iGetArray(const int handle,const int buffer,const int start_pos,const int count,double &arr_buffer[]);
//--- Trailing
void Trailing(const double stop_level);
//--- Print CTrade result
void PrintResultModify(CTrade &trade,CSymbolInfo &symbol,CPositionInfo &position);
//--- Close positions
void ClosePositions(const ENUM_POSITION_TYPE pos_type,const double level);
//--- 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);
//--- Search trading signals
bool SearchTradingSignals(void);
};
//+------------------------------------------------------------------+
//| Constructor |
//+------------------------------------------------------------------+
CTradingEngine3::CTradingEngine3() : InpStopLoss(15),
InpTakeProfit(46),
InpTrailingFrequency(10),
InpTrailingStop(25),
InpTrailingStep(5),
InpLotOrRisk(risk),
InpVolumeLotOrRisk(3.0),
InpOnlyOne(true),
InpCloseOpposite(true),
InpPrintLog(false),
InpMagic(200),
ExtSlippage(10),
ExtStopLoss(0.0),
ExtTakeProfit(0.0),
ExtTrailingStop(0.0),
ExtTrailingStep(0.0),
ExtLastTrailing(0),
ExtPrevBars(0)
{
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
CTradingEngine3::~CTradingEngine3()
{
}
//+------------------------------------------------------------------+
//| Expert initialization function |
//+------------------------------------------------------------------+
int CTradingEngine3::OnInit(
string Symbol_,
ushort StopLoss,
ushort TakeProfit,
ushort TrailingFrequency,
ushort TrailingStop,
ushort TrailingStep,
ENUM_LOT_OR_RISK LotOrRisk,
double VolumeLotOrRisk,
bool OnlyOne,
bool CloseOpposite,
bool PrintLog,
ulong Magic
)
{
//--- initialization
InpStopLoss = StopLoss;
InpTakeProfit = TakeProfit;
InpTrailingFrequency = TrailingFrequency;
InpTrailingStop = TrailingStop;
InpTrailingStep = TrailingStep;
InpLotOrRisk = LotOrRisk;
InpVolumeLotOrRisk = VolumeLotOrRisk;
InpOnlyOne = OnlyOne;
InpCloseOpposite = CloseOpposite;
InpPrintLog = PrintLog;
InpMagic = Magic;
//---
if(InpTrailingStop!=0 && InpTrailingStep==0)
{
string err_text=(TerminalInfoString(TERMINAL_LANGUAGE)=="Russian")?
""@59;8=3 =52>7<>65=: ?0@0<5B@ \"Trailing Step\" @025= =C;N!":
"Trailing is not possible: parameter \"Trailing Step\" is zero!";
//--- when testing, we will only output to the log about incorrect input parameters
if(MQLInfoInteger(MQL_TESTER))
{
Print(__FUNCTION__,", ERROR: ",err_text);
return(INIT_FAILED);
}
else // if the Expert Advisor is run on the chart, tell the user about the error
{
Alert(__FUNCTION__,", ERROR: ",err_text);
return(INIT_PARAMETERS_INCORRECT);
}
}
//---
if(!m_symbol.Name(Symbol_)) // sets symbol name
return(INIT_FAILED);
RefreshRates();
//---
m_trade.SetExpertMagicNumber(InpMagic);
m_trade.SetMarginMode();
m_trade.SetTypeFillingBySymbol(m_symbol.Name());
m_trade.SetDeviationInPoints(ExtSlippage);
//--- tuning for 3 or 5 digits
int digits_adjust=1;
if(m_symbol.Digits()==3 || m_symbol.Digits()==5)
digits_adjust=10;
ExtAdjustedPoint=m_symbol.Point()*digits_adjust;
ExtStopLoss = InpStopLoss * ExtAdjustedPoint;
ExtTakeProfit = InpTakeProfit * ExtAdjustedPoint;
ExtTrailingStop = InpTrailingStop * ExtAdjustedPoint;
ExtTrailingStep = InpTrailingStep * ExtAdjustedPoint;
//--- check the input parameter "Lots"
string err_text="";
if(InpLotOrRisk==lot)
{
if(!CheckVolumeValue(InpVolumeLotOrRisk,err_text))
{
//--- when testing, we will only output to the log about incorrect input parameters
if(MQLInfoInteger(MQL_TESTER))
{
Print(__FUNCTION__,", ERROR: ",err_text);
return(INIT_FAILED);
}
else // if the Expert Advisor is run on the chart, tell the user about the error
{
Alert(__FUNCTION__,", ERROR: ",err_text);
return(INIT_PARAMETERS_INCORRECT);
}
}
}
else
{
if(m_money!=NULL)
delete m_money;
m_money=new CMoneyFixedMargin;
if(m_money!=NULL)
{
if(InpVolumeLotOrRisk<1 || InpVolumeLotOrRisk>100)
{
Print("The value for \"Money management\" (",DoubleToString(InpVolumeLotOrRisk,2),") -> invalid parameters");
Print(" parameter must be in the range: from 1.00 to 100.00");
return(INIT_FAILED);
}
if(!m_money.Init(GetPointer(m_symbol),Period(),m_symbol.Point()*digits_adjust))
return(INIT_FAILED);
m_money.Percent(InpVolumeLotOrRisk);
}
else
{
Print(__FUNCTION__,", ERROR: Object CMoneyFixedMargin is NULL");
return(INIT_FAILED);
}
}
//--- create handle of the indicator iMACD
m_handle_macd=iMACD(m_symbol.Name(),Period(),12,26,9,PRICE_CLOSE);
//--- if the handle is not created
if(m_handle_macd==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);
}
//---
return(INIT_SUCCEEDED);
}
//+------------------------------------------------------------------+
//| Expert deinitialization function |
//+------------------------------------------------------------------+
CTradingEngine3::OnDeinit(const int reason)
{
//---
if(m_money!=NULL)
delete m_money;
}
//+------------------------------------------------------------------+
//| Expert tick function |
//+------------------------------------------------------------------+
CTradingEngine3::OnTick(void)
{
//---
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;
}
}
if(SNeedPosition[i].pos_type==POSITION_TYPE_BUY)
{
if(InpCloseOpposite || InpOnlyOne)
{
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(InpCloseOpposite)
{
if(count_sells>0)
{
double level;
if(FreezeStopsLevels(level))
ClosePositions(POSITION_TYPE_SELL,level);
return;
}
}
if(InpOnlyOne)
{
if(count_buys+count_sells==0)
{
double level;
if(FreezeStopsLevels(level))
{
SNeedPosition[i].waiting_transaction=true;
OpenPosition(i,POSITION_TYPE_BUY,SNeedPosition[i].volume,SNeedPosition[i].stop_loss,level);
}
return;
}
else
ArrayRemove(SNeedPosition,i,1);
//---
return;
}
}
//---
double level;
if(FreezeStopsLevels(level))
{
SNeedPosition[i].waiting_transaction=true;
OpenPosition(i,POSITION_TYPE_BUY,SNeedPosition[i].volume,SNeedPosition[i].stop_loss,level);
}
//---
return;
}
if(SNeedPosition[i].pos_type==POSITION_TYPE_SELL)
{
if(InpCloseOpposite || InpOnlyOne)
{
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(InpCloseOpposite)
{
if(count_buys>0)
{
double level;
if(FreezeStopsLevels(level))
ClosePositions(POSITION_TYPE_BUY,level);
return;
}
}
if(InpOnlyOne)
{
if(count_buys+count_sells==0)
{
double level;
if(FreezeStopsLevels(level))
{
SNeedPosition[i].waiting_transaction=true;
OpenPosition(i,POSITION_TYPE_SELL,SNeedPosition[i].volume,SNeedPosition[i].stop_loss,level);
}
return;
}
else
ArrayRemove(SNeedPosition,i,1);
//---
return;
}
}
//---
double level;
if(FreezeStopsLevels(level))
{
SNeedPosition[i].waiting_transaction=true;
OpenPosition(i,POSITION_TYPE_SELL,SNeedPosition[i].volume,SNeedPosition[i].stop_loss,level);
}
//---
return;
}
}
}
if(InpTrailingFrequency>=10) // trailing no more than once every 10 seconds
{
datetime time_current=TimeCurrent();
if(time_current-ExtLastTrailing>10)
{
double level;
if(FreezeStopsLevels(level))
Trailing(level);
ExtLastTrailing=time_current;
}
}
//--- we work only at the time of the birth of new bar
datetime time_0=iTime(m_symbol.Name(),Period(),0);
if(time_0==ExtPrevBars)
return;
ExtPrevBars=time_0;
if(!RefreshRates())
{
ExtPrevBars=0; return;
}
if(InpTrailingFrequency<10) // trailing only at the time of the birth of new bar
{
double level;
if(FreezeStopsLevels(level))
Trailing(level);
}
//--- search for trading signals
if(!SearchTradingSignals())
{
ExtPrevBars=0; return;
}
//---
}
//+------------------------------------------------------------------+
//| TradeTransaction function |
//+------------------------------------------------------------------+
CTradingEngine3::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)
{
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 CTradingEngine3::RefreshRates(void)
{
//--- refresh rates
if(!m_symbol.RefreshRates())
{
Print("RefreshRates error");
return(false);
}
//--- protection against the return value of "zero"
if(m_symbol.Ask()==0 || m_symbol.Bid()==0)
return(false);
//---
return(true);
}
//+------------------------------------------------------------------+
//| Check the correctness of the position volume |
//+------------------------------------------------------------------+
bool CTradingEngine3::CheckVolumeValue(double volume,string &error_description)
{
//--- minimal allowed volume for trade operations
double min_volume=m_symbol.LotsMin();
if(volume<min_volume)
{
if(TerminalInfoString(TERMINAL_LANGUAGE)=="Russian")
error_description=StringFormat("1J5< <5=LH5 <8=8<0;L=> 4>?CAB8<>3> SYMBOL_VOLUME_MIN=%.2f",min_volume);
else
error_description=StringFormat("Volume is less than the minimal allowed SYMBOL_VOLUME_MIN=%.2f",min_volume);
return(false);
}
//--- maximal allowed volume of trade operations
double max_volume=m_symbol.LotsMax();
if(volume>max_volume)
{
if(TerminalInfoString(TERMINAL_LANGUAGE)=="Russian")
error_description=StringFormat("1J5< 1>;LH5 <0:A8<0;L=> 4>?CAB8<>3> SYMBOL_VOLUME_MAX=%.2f",max_volume);
else
error_description=StringFormat("Volume is greater than the maximal allowed SYMBOL_VOLUME_MAX=%.2f",max_volume);
return(false);
}
//--- get minimal step of volume changing
double volume_step=m_symbol.LotsStep();
int ratio=(int)MathRound(volume/volume_step);
if(MathAbs(ratio*volume_step-volume)>0.0000001)
{
if(TerminalInfoString(TERMINAL_LANGUAGE)=="Russian")
error_description=StringFormat("1J5< =5 :@0B5= <8=8<0;L=><C H03C SYMBOL_VOLUME_STEP=%.2f, 1;8609H89 ?@028;L=K9 >1J5< %.2f",
volume_step,ratio*volume_step);
else
error_description=StringFormat("Volume is not a multiple of the minimal step SYMBOL_VOLUME_STEP=%.2f, the closest correct volume is %.2f",
volume_step,ratio*volume_step);
return(false);
}
error_description="Correct volume value";
return(true);
}
//+------------------------------------------------------------------+
//| Check Freeze and Stops levels |
//+------------------------------------------------------------------+
bool CTradingEngine3::FreezeStopsLevels(double &level)
{
//--- check Freeze and Stops levels
/*
Type of order/position | Activation price | Check
------------------------|--------------------|--------------------------------------------
Buy Limit order | Ask | Ask-OpenPrice >= SYMBOL_TRADE_FREEZE_LEVEL
Buy Stop order | Ask | OpenPrice-Ask >= SYMBOL_TRADE_FREEZE_LEVEL
Sell Limit order | Bid | OpenPrice-Bid >= SYMBOL_TRADE_FREEZE_LEVEL
Sell Stop order | Bid | Bid-OpenPrice >= SYMBOL_TRADE_FREEZE_LEVEL
Buy position | Bid | TakeProfit-Bid >= SYMBOL_TRADE_FREEZE_LEVEL
| | Bid-StopLoss >= SYMBOL_TRADE_FREEZE_LEVEL
Sell position | Ask | Ask-TakeProfit >= SYMBOL_TRADE_FREEZE_LEVEL
| | StopLoss-Ask >= SYMBOL_TRADE_FREEZE_LEVEL
Buying is done at the Ask price | Selling is done at the Bid price
------------------------------------------------|----------------------------------
TakeProfit >= Bid | TakeProfit <= Ask
StopLoss <= Bid | StopLoss >= Ask
TakeProfit - Bid >= SYMBOL_TRADE_STOPS_LEVEL | Ask - TakeProfit >= SYMBOL_TRADE_STOPS_LEVEL
Bid - StopLoss >= SYMBOL_TRADE_STOPS_LEVEL | StopLoss - Ask >= SYMBOL_TRADE_STOPS_LEVEL
*/
if(!RefreshRates() || !m_symbol.Refresh())
return(false);
//--- FreezeLevel -> for pending order and modification
double freeze_level=m_symbol.FreezeLevel()*m_symbol.Point();
if(freeze_level==0.0)
freeze_level=(m_symbol.Ask()-m_symbol.Bid())*3.0;
freeze_level*=1.1;
//--- StopsLevel -> for TakeProfit and StopLoss
double stop_level=m_symbol.StopsLevel()*m_symbol.Point();
if(stop_level==0.0)
stop_level=(m_symbol.Ask()-m_symbol.Bid())*3.0;
stop_level*=1.1;
if(freeze_level<=0.0 || stop_level<=0.0)
return(false);
level=(freeze_level>stop_level)?freeze_level:stop_level;
//---
return(true);
}
//+------------------------------------------------------------------+
//| Open position |
//+------------------------------------------------------------------+
CTradingEngine3::OpenPosition(const int index_in_structure,const ENUM_POSITION_TYPE pos_type,
const double volume,const double stop_loss,const double level)
{
//--- buy
if(pos_type==POSITION_TYPE_BUY)
{
double price=m_symbol.Ask();
double sl=0.0;
if(stop_loss==0.0)
{
sl=(InpStopLoss==0)?0.0:price-ExtStopLoss;
if(sl!=0.0 && ExtStopLoss<level) // check sl
sl=price-level;
}
else
{
sl=stop_loss;
if(price-stop_loss<level) // check sl
sl=price-level;
}
double tp=(InpTakeProfit==0)?0.0:price+ExtTakeProfit;
if(tp!=0.0 && ExtTakeProfit<level) // check price
tp=price+level;
OpenBuy(index_in_structure,volume,sl,tp);
}
//--- sell
if(pos_type==POSITION_TYPE_SELL)
{
double price=m_symbol.Bid();
double sl=0.0;
if(stop_loss==0.0)
{
sl=(InpStopLoss==0)?0.0:price+ExtStopLoss;
if(sl!=0.0 && ExtStopLoss<level) // check sl
sl=price+level;
}
else
{
sl=stop_loss;
if(stop_loss-price<level) // check sl
sl=price+level;
}
double tp=(InpTakeProfit==0)?0.0:price-ExtTakeProfit;
if(tp!=0.0 && ExtTakeProfit<level) // check tp
tp=price-level;
OpenSell(index_in_structure,volume,sl,tp);
}
}
//+------------------------------------------------------------------+
//| Open Buy position |
//+------------------------------------------------------------------+
CTradingEngine3::OpenBuy(const int index_in_structure,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(InpLotOrRisk==risk)
{
long_lot=m_money.CheckOpenLong(m_symbol.Ask(),sl);
if(InpPrintLog)
Print("sl=",DoubleToString(sl,m_symbol.Digits()),
", CheckOpenLong: ",DoubleToString(long_lot,2),
", Balance: ", DoubleToString(m_account.Balance(),2),
", Equity: ", DoubleToString(m_account.Equity(),2),
", FreeMargin: ", DoubleToString(m_account.FreeMargin(),2));
if(long_lot==0.0)
{
SNeedPosition[index_in_structure].waiting_transaction=false;
if(InpPrintLog)
Print(__FUNCTION__,", ERROR: method CheckOpenLong returned the value of \"0.0\"");
return;
}
}
else if(InpLotOrRisk==lot)
long_lot=InpVolumeLotOrRisk;
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(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 |
//+------------------------------------------------------------------+
CTradingEngine3::OpenSell(const int index_in_structure,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(InpLotOrRisk==risk)
{
short_lot=m_money.CheckOpenShort(m_symbol.Bid(),sl);
if(InpPrintLog)
Print("sl=",DoubleToString(sl,m_symbol.Digits()),
", CheckOpenLong: ",DoubleToString(short_lot,2),
", Balance: ", DoubleToString(m_account.Balance(),2),
", Equity: ", DoubleToString(m_account.Equity(),2),
", FreeMargin: ", DoubleToString(m_account.FreeMargin(),2));
if(short_lot==0.0)
{
SNeedPosition[index_in_structure].waiting_transaction=false;
if(InpPrintLog)
Print(__FUNCTION__,", ERROR: method CheckOpenShort returned the value of \"0.0\"");
return;
}
}
else if(InpLotOrRisk==lot)
short_lot=InpVolumeLotOrRisk;
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(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 |
//+------------------------------------------------------------------+
CTradingEngine3::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 CTradingEngine3::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 |
//+------------------------------------------------------------------+
CTradingEngine3::Trailing(const double stop_level)
{
/*
Buying is done at the Ask price | Selling is done at the Bid price
------------------------------------------------|----------------------------------
TakeProfit >= Bid | TakeProfit <= Ask
StopLoss <= Bid | StopLoss >= Ask
TakeProfit - Bid >= SYMBOL_TRADE_STOPS_LEVEL | Ask - TakeProfit >= SYMBOL_TRADE_STOPS_LEVEL
Bid - StopLoss >= SYMBOL_TRADE_STOPS_LEVEL | StopLoss - Ask >= SYMBOL_TRADE_STOPS_LEVEL
*/
if(InpTrailingStop==0)
return;
for(int i=PositionsTotal()-1;i>=0;i--) // returns the number of open positions
if(m_position.SelectByIndex(i))
if(m_position.Symbol()==m_symbol.Name() && m_position.Magic()==InpMagic)
{
if(m_position.PositionType()==POSITION_TYPE_BUY)
{
if(m_position.PriceCurrent()-m_position.PriceOpen()>ExtTrailingStop+ExtTrailingStep)
if(m_position.StopLoss()<m_position.PriceCurrent()-(ExtTrailingStop+ExtTrailingStep))
if(ExtTrailingStop>=stop_level)
{
if(!m_trade.PositionModify(m_position.Ticket(),
m_symbol.NormalizePrice(m_position.PriceCurrent()-ExtTrailingStop),
m_position.TakeProfit()))
Print("Modify ",m_position.Ticket(),
" Position -> false. Result Retcode: ",m_trade.ResultRetcode(),
", description of result: ",m_trade.ResultRetcodeDescription());
RefreshRates();
m_position.SelectByIndex(i);
PrintResultModify(m_trade,m_symbol,m_position);
continue;
}
}
else
{
if(m_position.PriceOpen()-m_position.PriceCurrent()>ExtTrailingStop+ExtTrailingStep)
if((m_position.StopLoss()>(m_position.PriceCurrent()+(ExtTrailingStop+ExtTrailingStep))) ||
(m_position.StopLoss()==0))
if(ExtTrailingStop>=stop_level)
{
if(!m_trade.PositionModify(m_position.Ticket(),
m_symbol.NormalizePrice(m_position.PriceCurrent()+ExtTrailingStop),
m_position.TakeProfit()))
Print("Modify ",m_position.Ticket(),
" Position -> false. Result Retcode: ",m_trade.ResultRetcode(),
", description of result: ",m_trade.ResultRetcodeDescription());
RefreshRates();
m_position.SelectByIndex(i);
PrintResultModify(m_trade,m_symbol,m_position);
}
}
}
}
//+------------------------------------------------------------------+
//| Print CTrade result |
//+------------------------------------------------------------------+
CTradingEngine3::PrintResultModify(CTrade &trade,CSymbolInfo &symbol,CPositionInfo &position)
{
Print("File: ",__FILE__,", symbol: ",symbol.Name());
Print("Code of request result: "+IntegerToString(trade.ResultRetcode()));
Print("code of request result as a string: "+trade.ResultRetcodeDescription());
Print("Deal ticket: "+IntegerToString(trade.ResultDeal()));
Print("Order ticket: "+IntegerToString(trade.ResultOrder()));
Print("Volume of deal or order: "+DoubleToString(trade.ResultVolume(),2));
Print("Price, confirmed by broker: "+DoubleToString(trade.ResultPrice(),symbol.Digits()));
Print("Current bid price: "+DoubleToString(symbol.Bid(),symbol.Digits())+" (the requote): "+DoubleToString(trade.ResultBid(),symbol.Digits()));
Print("Current ask price: "+DoubleToString(symbol.Ask(),symbol.Digits())+" (the requote): "+DoubleToString(trade.ResultAsk(),symbol.Digits()));
Print("Broker comment: "+trade.ResultComment());
Print("Freeze Level: "+DoubleToString(symbol.FreezeLevel(),0),", Stops Level: "+DoubleToString(symbol.StopsLevel(),0));
Print("Price of position opening: "+DoubleToString(position.PriceOpen(),symbol.Digits()));
Print("Price of position's Stop Loss: "+DoubleToString(position.StopLoss(),symbol.Digits()));
Print("Price of position's Take Profit: "+DoubleToString(position.TakeProfit(),symbol.Digits()));
Print("Current price by position: "+DoubleToString(position.PriceCurrent(),symbol.Digits()));
int d=0;
}
//+------------------------------------------------------------------+
//| Close positions |
//+------------------------------------------------------------------+
CTradingEngine3::ClosePositions(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 |
//+------------------------------------------------------------------+
CTradingEngine3::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() && 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 CTradingEngine3::SearchTradingSignals(void)
{
double macd_main[],macd_signal[];
ArraySetAsSeries(macd_main,true);
ArraySetAsSeries(macd_signal,true);
int start_pos=0,count=3;
if(!iGetArray(m_handle_macd,MAIN_LINE,start_pos,count,macd_main) ||
!iGetArray(m_handle_macd,SIGNAL_LINE,start_pos,count,macd_signal))
{
return(false);
}
int size_need_position=ArraySize(SNeedPosition);
if(macd_main[1]>macd_signal[1])
{
ArrayResize(SNeedPosition,size_need_position+1);
SNeedPosition[size_need_position].pos_type=POSITION_TYPE_BUY;
//---
return(true);
}
if(macd_main[1]<macd_signal[1])
{
ArrayResize(SNeedPosition,size_need_position+1);
SNeedPosition[size_need_position].pos_type=POSITION_TYPE_SELL;
//---
return(true);
}
//---
return(true);
}
//+------------------------------------------------------------------+
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