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Hello everyone,
I need help debugging and fixing a MetaTrader 5 Expert Advisor (EA). The file compiles with several errors in MetaEditor, mostly "undeclared identifier" and "some operator expected".
I’m learning step-by-step and building this EA gradually, so I would really appreciate if someone could review it and tell me what is wrong in the syntax.
I use these codes for a demo account to test my strategy. If someone can review the codes and fix them, I would be very grateful.
wrong parameters count STEP2.mq5 274 15
built-in: double AccountInfoDouble(ENUM_ACCOUNT_INFO_DOUBLE) STEP2.mq5 274 15
wrong parameters count STEP2.mq5 290 16
built-in: double AccountInfoDouble(ENUM_ACCOUNT_INFO_DOUBLE) STEP2.mq5 290 16
possible use of uninitialized variable 'eq' STEP2.mq5 291 8
undeclared identifier STEP2.mq5 306 16
'StringSubstr' - some operator expected STEP2.mq5 306 28
implicit conversion from 'unknown' to 'string' STEP2.mq5 306 16
wrong parameters count STEP2.mq5 201 14
built-in: double AccountInfoDouble(ENUM_ACCOUNT_INFO_DOUBLE) STEP2.mq5 201 14
possible use of uninitialized variable 'eq' STEP2.mq5 202 37
wrong parameters count STEP2.mq5 206 14
built-in: double AccountInfoDouble(ENUM_ACCOUNT_INFO_DOUBLE) STEP2.mq5 206 14
possible use of uninitialized variable 'eq' STEP2.mq5 207 22
wrong parameters count STEP2.mq5 224 5
built-in: double AccountInfoDouble(ENUM_ACCOUNT_INFO_DOUBLE) STEP2.mq5 224 5
wrong parameters count STEP2.mq5 229 14
built-in: double AccountInfoDouble(ENUM_ACCOUNT_INFO_DOUBLE) STEP2.mq5 229 14
possible use of uninitialized variable 'eq' STEP2.mq5 231 31
8 errors, 5 warnings 8 5
goldfxsafebot code
//+------------------------------------------------------------------+
//| GoldFX_SafeBot.mq5|
//| DEMO/EDU EA: EMA(9/21/200) + RSI(14) + MACD(12,26,9) |
//| Risk mgmt: 1%/trade, max 3% total, daily stop -2% |
//| Protections: ATR filter + vol-halt, Smart TP trailing, BE, |
//| Friday cutoff 18:00, force-close 21:55, symbol windows |
//| NOTE: Testiraj na DEMO. Ti odlučuješ da li i kada ide na LIVE. |
//+------------------------------------------------------------------+
#property copyright "For demo/education"
#property version "1.0"
#проперти стриц
т
#include
CTrade trade;
//============================== INPUTS ==============================
input string __A__ = "----- Risk i limiti -----";
input double RiskPercentPerTrade = 1.0; // % equity po trejdu
input double MaxTotalOpenRiskPercent = 3.0; // % equity ukupni rizik otvorenih pozicija
input double DailyLossStopPercent = 2.0; // -2% dnevni stop
input int MaxConsecutiveLosses = 4; // pauza 24h nakon X gubitaka zaredom
input string __B__ = "----- TP/SL zaštite -----";
input double MinRiskReward = 2.0; // TP = RR * SL (start)
input bool UseSmartTP = true; // trailing po % od MFE
input double SmartTP_TrailingPercent = 5.0; // zatvori ako profit padne >5% od vrha
input double BreakevenBufferCurrency = 5.0; // prebaci SL iznad nule kad profit > 5 EUR
input string __C__ = "----- Izvršenje / spread -----";
input bool UseMaxSlippage = true;
input int MaxSlippagePoints = 20; // 2.0 pips = 20 pts na 5-digit
input int MaxPositionsPerSymbol = 1; // 1 pozicija po simbolu (preporučeno)
input string __D__ = "----- Equity/DD zaštita -----";
input bool UseEquityProtection = true; // lokalni peak-based equity stop
input double EquityProtectionPercent = 10.0; // pauza 24h ako eq padne >10% od vrha
input string __E__ = "----- Volatilnost (ATR) -----";
input bool UseATRFilterGlobal = true;
input int ATR_Period = 14;
input double ATR_MultipleHalt = 2.5; // ako je ATR >= 2.5x SMA(ATR) -> pauza
input int VolHaltPauseMinutes = 30; // minuta pauze nakon vol-halt
input string __F__ = "----- Vremenski prozori -----";
input bool UseTradingWindows = true;
input int DefaultStartHour = 8; // CET
input int DefaultEndHour = 22; // CET
input string __G__ = "----- Petak sigurnosno -----";
input int FridayCutoffHour = 18; // nema novih ulaza posle 18:00
input int FridayForceCloseHour = 21; // zatvaranje do 21:55
input int FridayForceCloseMinute = 55;
input string __H__ = "----- Indikatori -----";
input int EMA_Fast = 9;
input int EMA_Slow = 21;
input int EMA_Trend = 200;
input int RSI_Period = 14;
input int RSI_BuyLevel = 50; // koristimo centerline (50)
input int RSI_SellLevel = 50;
input int MACD_Fast = 12;
input int MACD_Slow = 26;
input int MACD_Signal = 9;
input string __I__ = "----- Simboli (lista, zarez) -----";
input string Symbols = "XAUUSD,EURUSD,GBPUSD,USDJPY";
input string __J__ = "----- Po-simbolu pragovi -----";
// XAUUSD
input ENUM_TIMEFRAMES XAU_TF = PERIOD_M15;
input double XAU_ATR_Min = 0.60; // minimalni ATR u USD
input int XAU_MaxSpreadPoints = 40; // ~0.40 na 3-digit
input int XAU_Start = 8, XAU_End = 22;
// EURUSD
input ENUM_TIMEFRAMES EU_TF = PERIOD_M15;
input double EU_ATR_MinPips = 10;
input int EU_MaxSpreadPoints = 20;
input int EU_Start = 8, EU_End = 22;
// GBPUSD
input ENUM_TIMEFRAMES GU_TF = PERIOD_M15;
input double GU_ATR_MinPips = 14;
input int GU_MaxSpreadPoints = 30;
input int GU_Start = 9, GU_End = 18;
// USDJPY
input ENUM_TIMEFRAMES UJ_TF = PERIOD_M15;
input double UJ_ATR_MinPips = 12;
input int UJ_MaxSpreadPoints = 20;
input int UJ_Start = 1, UJ_End = 12;
//=========================== STATE VARS =============================
datetime g_pauseUntil = 0, g_volHaltUntil = 0;
double g_equityPeak = 0, g_dayStartEquity = 0;
int g_lastYMD = -1, g_consecLosses = 0;
//=========================== HELPERS ================================
int HourNow(){ MqlDateTime t; TimeToStruct(TimeCurrent(), t); return t.hour; }
int MinNow(){ MqlDateTime t; TimeToStruct(TimeCurrent(), t); return t.min; }
int WDayNow(){ MqlDateTime t; TimeToStruct(TimeCurrent(), t); return t.day_of_week; }
int YMD(){ MqlDateTime t; TimeToStruct(TimeCurrent(), t); return (t.year*10000 + t.mon*100 + t.day); }
bool InWindow(const string s){
if(!UseTradingWindows) return true;
int h=HourNow();
if(s=="XAUUSD") return (h>=XAU_Start && h if(s=="EURUSD") return (h>=EU_Start && h if(s=="GBPUSD") return (h>=GU_Start && h if(s=="USDJPY") return (h>=UJ_Start && h return (h>=DefaultStartHour && h }
bool FridayNoNew() { return (WDayNow()==5 && HourNow()>=FridayCutoffHour); }
bool FridayForceClose(){ if(WDayNow()!=5) return false; int h=HourNow(), m=MinNow(); return (h>FridayForceCloseHour || (h==FridayForceCloseHour && m>=FridayForceCloseMinute)); }
bool SpreadOK(const string s){
int limit=50;
if(s=="XAUUSD") limit=XAU_MaxSpreadPoints;
else if(s=="EURUSD") limit=EU_MaxSpreadPoints;
else if(s=="GBPUSD") limit=GU_MaxSpreadPoints;
else if(s=="USDJPY") limit=UJ_MaxSpreadPoints;
return ( (int)SymbolInfoInteger(s, SYMBOL_SPREAD) <= limit );
}
double ATR(const string s, ENUM_TIMEFRAMES tf, const int period){
int h=iATR(s, tf, period); if(h==INVALID_HANDLE) return 0;
double b[]; if(CopyBuffer(h,0,0,1,b) }
bool ATR_OK(const string s){
ENUM_TIMEFRAMES tf=PERIOD_M15; double minNeed=0;
if(s=="XAUUSD"){ tf=XAU_TF; minNeed=XAU_ATR_Min; }
else if(s=="EURUSD"){ tf=EU_TF; minNeed=EU_ATR_MinPips*_Point; }
else if(s=="GBPUSD"){ tf=GU_TF; minNeed=GU_ATR_MinPips*_Point; }
else if(s=="USDJPY"){ tf=UJ_TF; minNeed=UJ_ATR_MinPips*_Point; }
double a=ATR(s, tf, ATR_Period);
if(a<=minNeed) return false;
// volatility halt: ATR / SMA(ATR) >= ATR_MultipleHalt
if(UseATRFilterGlobal){
int h=iATR(s, tf, ATR_Period); double arr[30];
if(h!=INVALID_HANDLE && CopyBuffer(h,0,0,30,arr)==30){
double sma=0; for(int i=1;i if(sma>0.0 && arr[0]/sma >= ATR_MultipleHalt){
g_volHaltUntil = TimeCurrent() + VolHaltPauseMinutes*60;
return false;
}
}
if(TimeCurrent() < g_volHaltUntil) return false;
}
return true;
}
bool IndicatorsSignal(const string s, int &dir){
// TF po simbolu
ENUM_TIMEFRAMES tf=PERIOD_M15;
if(s=="XAUUSD") tf=XAU_TF; else if(s=="EURUSD") tf=EU_TF; else if(s=="GBPUSD") tf=GU_TF; else if(s=="USDJPY") tf=UJ_TF;
// EMA
int hF=iMA(s,tf,EMA_Fast,0,MODE_EMA,PRICE_CLOSE);
int hS=iMA(s,tf,EMA_Slow,0,MODE_EMA,PRICE_CLOSE);
int hT=iMA(s,tf,EMA_Trend,0,MODE_EMA,PRICE_CLOSE);
double eF[1],eS[1],eT[1];
if(CopyBuffer(hF,0,0,1,eF)
// RSI
int hR=iRSI(s,tf,RSI_Period,PRICE_CLOSE); double r[1];
if(CopyBuffer(hR,0,0,1,r)
// MACD histogram
int hM=iMACD(s,tf,MACD_Fast,MACD_Slow,MACD_Signal,PRICE_CLOSE); double hist[1];
if(CopyBuffer(hM,2,0,1,hist)
// trenutna cena (srednja)
double bid,ask; SymbolInfoDouble(s,SYMBOL_BID,bid); SymbolInfoDouble(s,SYMBOL_ASK,ask); double price=(bid+ask)/2.0;
bool bull = (eF[0]>eS[0] && price>eT[0] && r[0]>=RSI_BuyLevel && hist[0]>0);
bool bear = (eF[0]
dir = bull? 1 : (bear? -1 : 0);
return (dir!=0);
}
double TotalOpenRiskCurrency(){
double tot=0;
for(int i=0;i ulong t=PositionGetTicket(i); if(!PositionSelectByTicket(t)) continue;
string s=PositionGetString(POSITION_SYMBOL);
double vol=PositionGetDouble(POSITION_VOLUME);
double sl =PositionGetDouble(POSITION_SL);
double po =PositionGetDouble(POSITION_PRICE_OPEN);
long tp =(long)PositionGetInteger(POSITION_TYPE);
double tv; SymbolInfoDouble(s,SYMBOL_TRADE_TICK_VALUE,tv);
double ts; SymbolInfoDouble(s,SYMBOL_TRADE_TICK_SIZE,ts);
if(sl<=0||tv<=0||ts<=0) continue;
double dist=(tp==POSITION_TYPE_BUY)? (po-sl):(sl-po);
if(dist<=0) continue;
double money_per_point = tv/(ts/_Point);
tot += (dist/_Point)*money_per_point*vol;
}
return tot;
}
bool CanOpenMoreRisk(){
double eq; AccountInfoDouble(ACCOUNT_EQUITY,eq);
return TotalOpenRiskCurrency() < (eq*MaxTotalOpenRiskPercent/100.0)*0.98;
}
double LotForRisk(const string s, const double sl_points){
double eq; AccountInfoDouble(ACCOUNT_EQUITY,eq);
double riskMoney = eq*RiskPercentPerTrade/100.0;
double tv; SymbolInfoDouble(s,SYMBOL_TRADE_TICK_VALUE,tv);
double ts; SymbolInfoDouble(s,SYMBOL_TRADE_TICK_SIZE,ts);
if(sl_points<=0||tv<=0||ts<=0) return 0;
double money_per_point = tv/(ts/_Point);
double vol = riskMoney/(sl_points*money_per_point);
double step; SymbolInfoDouble(s,SYMBOL_VOLUME_STEP,step);
double minl; SymbolInfoDouble(s,SYMBOL_VOLUME_MIN,minl);
double maxl; SymbolInfoDouble(s,SYMBOL_VOLUME_MAX,maxl);
vol = MathMax(minl, MathMin(maxl, MathFloor(vol/step)*step));
return vol;
}
void UpdateDay(){
int ymd=YMD();
if(ymd!=g_lastYMD){
g_lastYMD=ymd;
AccountInfoDouble(ACCOUNT_EQUITY,g_dayStartEquity);
// reset serije na početku dana (ako želiš strože: ostavi g_consecLosses)
}
}
bool DailyStop(){
double eq; AccountInfoDouble(ACCOUNT_EQUITY,eq);
if(g_dayStartEquity<=0) return false;
double dd=(g_dayStartEquity-eq)/g_dayStartEquity*100.0;
return (dd>=DailyLossStopPercent);
}
void ManagePositions(){
for(int i=PositionsTotal()-1;i>=0;i--){
ulong t=PositionGetTicket(i); if(!PositionSelectByTicket(t)) continue;
string s=PositionGetString(POSITION_SYMBOL);
long type=(long)PositionGetInteger(POSITION_TYPE);
double open=PositionGetDouble(POSITION_PRICE_OPEN);
double sl =PositionGetDouble(POSITION_SL);
double profit=PositionGetDouble(POSITION_PROFIT);
// Breakeven (jednostavan buffer)
if(profit > BreakevenBufferCurrency && sl>0){
double newSL = (type==POSITION_TYPE_BUY)? open + 10*_Point : open - 10*_Point; // simboličan BE > 0
if( (type==POSITION_TYPE_BUY && newSL>sl) || (type==POSITION_TYPE_SELL && newSL trade.PositionModify(s, newSL, PositionGetDouble(POSITION_TP));
}
// Smart TP: trailing po % pada od MFE
if(UseSmartTP){
string key="MFE_"+(string)t;
double mfe = GlobalVariableCheck(key)? GlobalVariableGet(key) : 0;
if(profit>mfe) GlobalVariableSet(key,profit);
else{
double peak = GlobalVariableGet(key);
if(peak>0 && profit < peak*(1.0 - SmartTP_TrailingPercent/100.0)){
trade.PositionClose(s);
}
}
}
}
}
void CloseAll(const string reason){
for(int i=PositionsTotal()-1;i>=0;i--){
ulong t=PositionGetTicket(i); if(!PositionSelectByTicket(t)) continue;
trade.PositionClose( PositionGetString(POSITION_SYMBOL) );
}
Print("CloseAll: ", reason);
}
//=========================== EVENTS =================================
int OnInit(){ AccountInfoDouble(ACCOUNT_EQUITY,g_equityPeak); return(INIT_SUCCEEDED); }
void OnDeinit(const int r){}
void OnTick(){
UpdateDay();
ManagePositions();
// Petak force-close
if(FridayForceClose()){ CloseAll("Friday force close"); return; }
// Pauze i dnevni stop
if(TimeCurrent() if(DailyStop()){ g_pauseUntil = TimeCurrent() + 24*60*60; return; }
// Equity protection (peak-based)
if(UseEquityProtection){
double eq; AccountInfoDouble(ACCOUNT_EQUITY,eq);
if(eq>g_equityPeak) g_equityPeak=eq;
if(g_equityPeak>0 && (g_equityPeak-eq)/g_equityPeak*100.0 >= EquityProtectionPercent){
CloseAll("Equity protection");
g_pauseUntil = TimeCurrent() + 24*60*60;
return;
}
}
// Posle cutoff-a petkom nema novih ulaza
if(FridayNoNew()) return;
// Skener simbola
string list=Symbols; int p=0;
while(p int q = StringFind(list,",",p); if(q==-1) q=StringLen(list);
string s = StringTrim( StringSubstr(list,p,q-p) ); p=q+1;
if(s=="") continue;
// ograničenja
if(!InWindow(s)) continue;
if(!SpreadOK(s)) continue;
if(!ATR_OK(s)) continue;
if(!CanOpenMoreRisk()) continue;
// ograniči broj pozicija po simbolu
int cntSym=0;
for(int i=0;i ulong tk=PositionGetTicket(i); if(!PositionSelectByTicket(tk)) continue;
if(PositionGetString(POSITION_SYMBOL)==s) cntSym++;
}
if(cntSym>=MaxPositionsPerSymbol) continue;
// ulazni signal
int dir=0; if(!IndicatorsSignal(s,dir)) continue;
// SL = 2*ATR; TP = RR*SL
ENUM_TIMEFRAMES tf=PERIOD_M15;
if(s=="XAUUSD") tf=XAU_TF; else if(s=="EURUSD") tf=EU_TF; else if(s=="GBPUSD") tf=GU_TF; else if(s=="USDJPY") tf=UJ_TF;
double a = ATR(s, tf, ATR_Period);
double sl_pts = (a>0? 2.0*(a/_Point) : 200.0);
double bid,ask; SymbolInfoDouble(s,SYMBOL_BID,bid); SymbolInfoDouble(s,SYMBOL_ASK,ask);
double price = (dir>0)? ask : bid;
double sl = (dir>0)? price - sl_pts*_Point : price + sl_pts*_Point;
double tp = (dir>0)? price + sl_pts*MinRiskReward*_Point : price - sl_pts*MinRiskReward*_Point;
double lot = LotForRisk(s, sl_pts);
if(lot<=0) continue;
trade.SetDeviationInPoints( UseMaxSlippage? MaxSlippagePoints: 100 );
bool ok = (dir>0)? trade.Buy(lot,s,price,sl,tp) : trade.Sell(lot,s,price,sl,tp);
if(ok) Print("Opened ", (dir>0?"BUY ":"SELL "), s, " lot=", DoubleToString(lot,2));
}
}
void OnTradeTransaction(const MqlTradeTransaction& trans,const MqlTradeRequest& req,const MqlTradeResult& res){
if(trans.type==TRADE_TRANSACTION_DEAL_ADD){
long dt = (long)HistoryDealGetInteger(trans.deal, DEAL_TYPE);
double pf = HistoryDealGetDouble(trans.deal, DEAL_PROFIT);
if(dt==DEAL_TYPE_BUY || dt==DEAL_TYPE_SELL){
if(pf g_consecLosses++;
if(g_consecLosses>=MaxConsecutiveLosses){
g_pauseUntil = TimeCurrent() + 24*60*60; // pauza 24h
g_consecLosses = 0; // reset streak
Print("Pause due to max consecutive losses reached.");
}
}else{
g_consecLosses=0;
}
}
}
}
//+------------------------------------------------------------------+
eamultysimbol bot code
RiskPercentPerTrade=1.0
MaxTotalOpenRiskPercent=3.0
DailyLossStopPercent=2.0
MaxConsecutiveLosses=4
MinRiskReward=2.0
UseSmartTP=true
SmartTP_TrailingPercent=5.0
BreakevenBufferCurrency=5.0
UseMaxSlippage=true
MaxSlippagePoints=20
MaxPositionsPerSymbol=1
UseEquityProtection=true
EquityProtectionPercent=10.0
UseATRFilterGlobal=true
ATR_Period=14
ATR_MultipleHalt=2.5
VolHaltPauseMinutes=30
UseTradingWindows=true
DefaultStartHour=8
DefaultEndHour=22
FridayCutoffHour=18
FridayForceCloseHour=21
FridayForceCloseMinute=55
EMA_Fast=9
EMA_Slow=21
EMA_Trend=200
RSI_Period=14
RSI_BuyLevel=50
RSI_SellLevel=50
MACD_Fast=12
MACD_Slow=26
MACD_Signal=9
Symbols=XAUUSD,EURUSD,GBPUSD,USDJPY
XAU_TF=PERIOD_M15
XAU_ATR_Min=0.60
XAU_MaxSpreadPoints=40
XAU_Start=8
XAU_End=22
EU_TF=PERIOD_M15
EU_ATR_MinPips=10
EU_MaxSpreadPoints=20
EU_Start=8
EU_End=22
GU_TF=PERIOD_M15
GU_ATR_MinPips=14
GU_MaxSpreadPoints=30
GU_Start=9
GU_End=18
UJ_TF=PERIOD_M15
UJ_ATR_MinPips=12
UJ_MaxSpreadPoints=20
UJ_Start=1
UJ_End=12