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Librerie

VpsToolkit - safe order send and restart-safe state for VPS EAs - libreria per MetaTrader 5

Manit Chin
Manit Chin

Manit Chin

MQL5 Developer | Overfit-proof testing and account protection for EAs
I help traders answer two questions before real money is at risk:
1) Is this strategy real, or just fitted to the past?
2) Will the account survive when something goes wrong?
Protection against overfitting
4 codici
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Pubblicato:
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VpsToolkit is a small include file ( VpsToolkit.mqh ) for EAs that run 24/7 on an MQL5 VPS or on your own PC. It has no trading logic. You include it and call only the parts you need. VpsToolkit_Demo.mq5 shows how to plug it into an EA.

It covers the problems that usually show up only after an EA goes live: the same EA running on the VPS and on the PC at once, a duplicate order after a timeout, counters reset by a restart, trades closed while the EA was off, and logs you cannot read because the files stay on the VPS.

VpsToolkit

What is inside

  • Where to run: VT_ActiveHere() with a run-where switch (anywhere / only on MQL5 VPS / only on this PC), so a copy that should not work stays quiet. VT_CanTrade(why) tells you why trading is blocked (no connection, Algo Trading off, account not allowed).
  • Safe order send: VT_OpenMarket() returns OK, FAIL or UNKNOWN. Only "done" counts as OK. On a timeout or lost connection it looks at the account for a few seconds instead of sending again, so a bad connection does not create a second position.
  • Restart-safe state: VT_Init() and VT_Ready() wait until the account is loaded (right after a VPS start the login can still be 0). Global variable names include the login, symbol and magic number. VT_TradesToday() reads the deal history instead of a counter in memory.
  • Closed while off: VT_ClosedWhileOff() reports positions of your magic number that were closed while the EA was not running (SL/TP, manual close, stop out), with total P/L.
  • Restart counter: VT_RestartsToday() and VT_ShouldAnnounce() , so a "started" message is not sent on every VPS restart.
  • Append-only log: VT_Log() writes a UTF-8 CSV that is never wiped on restart, plus daily counters ( VT_CountInc() / VT_CountGet() ).
  • Telegram (optional): VT_TgSend() , a daily summary at your local hour ( VT_DailyDue() , works at weekends), and VT_CsvNewRows() to send new log rows, because files on an MQL5 VPS cannot be downloaded.

Quick start

  1. Put VpsToolkit.mqh next to your EA and add #include "VpsToolkit.mqh" .
  2. In OnInit : VT_Init(_Symbol, magic, runWhere, "MyEA_log.csv") and start a timer.
  3. In OnTimer : return while !VT_Ready() , then call VT_Heartbeat() . In OnDeinit : VT_Deinit() .
  4. Open trades with VT_OpenMarket() . On UNKNOWN do not send again on the same signal; decide again on the next bar.
  5. For Telegram add https://api.telegram.org to Tools > Options > Expert Advisors > Allow WebRequest. Messages are sent from the timer only, never in the Strategy Tester.

The demo EA

On a live or demo chart VpsToolkit_Demo never trades. It shows the status on the chart, counts restarts, reports positions closed while it was off and writes a daily summary. In the Strategy Tester only (InpTesterDemo) it opens one example trade a day through VT_OpenMarket() . InpRunSelfTest runs the built-in self-test.

What was tested

  • Compiled with 0 errors and 0 warnings. Self-test: 38 checks passed, in the tester and on a live chart.
  • Strategy Tester, EURUSD H1, January to March 2025: 62 example trades through VT_OpenMarket() , a daily summary every day including weekends.
  • Live demo account (hedging, BTCUSD): a normal order returned OK (10009), an order with the SL on the wrong side returned FAIL (10016). A position closed while the EA was off was reported after the restart (1 position, P/L -0.19). With run-where = "only on VPS" the copy on the PC stayed inactive. Restarts were counted 1, 2, 3 and the log kept every line.
  • Not yet confirmed: Telegram delivery, a run on an MQL5 VPS, and the UNKNOWN path on a real connection loss (covered by the self-test only). Please report anything that does not work as described.

Free to use. Feedback in the comments is welcome.

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