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Specification
I created an EA online through EA Builder.com, but it will not initiate any trades. I keep receiving an error stating: "OrderSend error #4051 invalid function parameter value" and "invalid lots amount for OrderSend function".I have tried every lot size I can think of, but I still get this same error message.
Here is what I want this EA to be able to do:
1. I want to be able for it to initiate a trade, long and/or short in the lot size I can specify.
2. I want to be able to set trading times of day in 30 minute intervals. For example, I can turn the system on at 4pm and stop initiating trades at 6pm.
3. That's All!
Here is the current EA that I am using that will not initiate any trades:
//+------------------------------------------------------------------+
//| Strategy: RJS QQE EA.mq4 |
//| Created with EABuilder.com |
//| https://www.eabuilder.com |
//+------------------------------------------------------------------+
#property copyright "Created with EABuilder.com"
#property link "https://www.eabuilder.com"
#property version "1.00"
#property description ""
#include <stdlib.mqh>
#include <stderror.mqh>
int LotDigits; //initialized in OnInit
int MagicNumber = 1532634;
extern double TradeSize = 0.1;
int MaxSlippage = 3; //adjusted in OnInit
bool crossed[1]; //initialized to true, used in function Cross
bool Push_Notifications = true;
int MaxOpenTrades = 1;
int MaxLongTrades = 1;
int MaxShortTrades = 1;
int MaxPendingOrders = 1;
int MaxLongPendingOrders = 1;
int MaxShortPendingOrders = 1;
bool Hedging = false;
int OrderRetry = 5; //# of retries if sending order returns error
int OrderWait = 5; //# of seconds to wait if sending order returns error
double myPoint; //initialized in OnInit
bool Cross(int i, bool condition) //returns true if "condition" is true and was false in the previous call
{
bool ret = condition && !crossed[i];
crossed[i] = condition;
return(ret);
}
void myAlert(string type, string message)
{
if(type == "print")
Print(message);
else if(type == "error")
{
Print(type+" | RJS QQE EA @ "+Symbol()+","+IntegerToString(Period())+" | "+message);
if(Push_Notifications) SendNotification(type+" | RJS QQE EA @ "+Symbol()+","+IntegerToString(Period())+" | "+message);
}
else if(type == "order")
{
Print(type+" | RJS QQE EA @ "+Symbol()+","+IntegerToString(Period())+" | "+message);
if(Push_Notifications) SendNotification(type+" | RJS QQE EA @ "+Symbol()+","+IntegerToString(Period())+" | "+message);
}
else if(type == "modify")
{
}
}
int TradesCount(int type) //returns # of open trades for order type, current symbol and magic number
{
int result = 0;
int total = OrdersTotal();
for(int i = 0; i < total; i++)
{
if(OrderSelect(i, SELECT_BY_POS, MODE_TRADES) == false) continue;
if(OrderMagicNumber() != MagicNumber || OrderSymbol() != Symbol() || OrderType() != type) continue;
result++;
}
return(result);
}
int myOrderSend(int type, double price, double volume, string ordername) //send order, return ticket ("price" is irrelevant for market orders)
{
if(!IsTradeAllowed()) return(-1);
int ticket = -1;
int retries = 0;
int err = 0;
int long_trades = TradesCount(OP_BUY);
int short_trades = TradesCount(OP_SELL);
int long_pending = TradesCount(OP_BUYLIMIT) + TradesCount(OP_BUYSTOP);
int short_pending = TradesCount(OP_SELLLIMIT) + TradesCount(OP_SELLSTOP);
string ordername_ = ordername;
if(ordername != "")
ordername_ = "("+ordername+")";
//test Hedging
if(!Hedging && ((type % 2 == 0 && short_trades + short_pending > 0) || (type % 2 == 1 && long_trades + long_pending > 0)))
{
myAlert("print", "Order"+ordername_+" not sent, hedging not allowed");
return(-1);
}
//test maximum trades
if((type % 2 == 0 && long_trades >= MaxLongTrades)
|| (type % 2 == 1 && short_trades >= MaxShortTrades)
|| (long_trades + short_trades >= MaxOpenTrades)
|| (type > 1 && type % 2 == 0 && long_pending >= MaxLongPendingOrders)
|| (type > 1 && type % 2 == 1 && short_pending >= MaxShortPendingOrders)
|| (type > 1 && long_pending + short_pending >= MaxPendingOrders)
)
{
myAlert("print", "Order"+ordername_+" not sent, maximum reached");
return(-1);
}
//prepare to send order
while(IsTradeContextBusy()) Sleep(100);
RefreshRates();
if(type == OP_BUY)
price = Ask;
else if(type == OP_SELL)
price = Bid;
else if(price < 0) //invalid price for pending order
{
myAlert("order", "Order"+ordername_+" not sent, invalid price for pending order");
return(-1);
}
int clr = (type % 2 == 1) ? clrRed : clrBlue;
while(ticket < 0 && retries < OrderRetry+1)
{
ticket = OrderSend(Symbol(), type, NormalizeDouble(volume, LotDigits), NormalizeDouble(price, Digits()), MaxSlippage, 0, 0, ordername, MagicNumber, 0, clr);
if(ticket < 0)
{
err = GetLastError();
myAlert("print", "OrderSend"+ordername_+" error #"+IntegerToString(err)+" "+ErrorDescription(err));
Sleep(OrderWait*1000);
}
retries++;
}
if(ticket < 0)
{
myAlert("error", "OrderSend"+ordername_+" failed "+IntegerToString(OrderRetry+1)+" times; error #"+IntegerToString(err)+" "+ErrorDescription(err));
return(-1);
}
string typestr[6] = {"Buy", "Sell", "Buy Limit", "Sell Limit", "Buy Stop", "Sell Stop"};
myAlert("order", "Order sent"+ordername_+": "+typestr[type]+" "+Symbol()+" Magic #"+IntegerToString(MagicNumber));
return(ticket);
}
//+------------------------------------------------------------------+
//| Expert initialization function |
//+------------------------------------------------------------------+
int OnInit()
{
//initialize myPoint
myPoint = Point();
if(Digits() == 5 || Digits() == 5)
{
myPoint *= 10;
MaxSlippage *= 10;
}
//initialize LotDigits
double LotStep = MarketInfo(Symbol(), MODE_LOTSTEP);
if(NormalizeDouble(LotStep, 5) == round(LotStep))
LotDigits = 0;
else if(NormalizeDouble(10*LotStep, 5) == round(10*LotStep))
LotDigits = 1;
else if(NormalizeDouble(100*LotStep, 5) == round(100*LotStep))
LotDigits = 5;
else LotDigits = 5;
int i;
//initialize crossed
for (i = 0; i < ArraySize(crossed); i++)
crossed[i] = true;
return(INIT_SUCCEEDED);
}
//+------------------------------------------------------------------+
//| Expert deinitialization function |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
{
}
//+------------------------------------------------------------------+
//| Expert tick function |
//+------------------------------------------------------------------+
void OnTick()
{
int ticket = -1;
double price;
//Open Buy Order, instant signal is tested first
if(Cross(0, iCustom(NULL, PERIOD_CURRENT, "QQE averages histo + alerts + arrows", 1, 5, 14, 0, 4.236, 70, 30, "Alerts Settings", false, false, true, false, false, false, true, false, "alert2.wav", true, "qqe Arrows1", 1.5, false, DeepSkyBlue, Red, 233, 234, 1, 1, true, DeepSkyBlue, Red, 233, 234, 3, 3, 3, 0) > iCustom(NULL, PERIOD_CURRENT, "QQE averages histo + alerts + arrows", 1, 5, 14, 0, 4.236, 70, 30, "Alerts Settings", false, false, true, false, false, false, true, false, "alert2.wav", true, "qqe Arrows1", 1.5, false, DeepSkyBlue, Red, 233, 234, 1, 1, true, DeepSkyBlue, Red, 233, 234, 3, 3, 4, 0)) //QQE averages histo + alerts + arrows crosses above QQE averages histo + alerts + arrows
)
{
RefreshRates();
price = Ask;
if(IsTradeAllowed())
{
ticket = myOrderSend(OP_BUY, price, TradeSize, "");
if(ticket <= 0) return;
}
else //not autotrading => only send alert
myAlert("order", "");
}
}