SupabaseBridge Expert Advisor

A cross-platform Expert Advisor for MT4/MT5 that sends real-time trading metrics to Supabase via webhook.

🚀 Quick Start

1. Compile the EA:

   • Open MetaEditor (F4 in MetaTrader)
   • Open SupabaseBridge.mq4 (for MT4) or SupabaseBridge.mq5 (for MT5)
   • Compile (F7) to generate .ex4 or .ex5 files

2. Configure WebRequest URLs:

   • Go to Tools > Options > Expert Advisors
   • Enable "Allow WebRequest for listed URL"
   • Add: https://bhhrmriyuhqygmnzqjyr.supabase.co

3. Set Parameters:

   • Drag EA to chart
   • Configure AccountID, UserID, and APIKey
   • Enable live trading

4. Monitor:

   • Check Journal tab for "✅ Data sent successfully"
   • View data in your Supabase dashboard

📦 What's Included

• SupabaseBridge.mq4 - MT4 source code
• SupabaseBridge.mq5 - MT5 source code
• EA_Installation_Guide.md - Detailed setup instructions
• README.md - This overview

⚙️ Configuration

Parameter	Description	Example
AccountID	Your unique account identifier	"fusion123"
UserID	Your Supabase user UUID	"uuid-string"
APIKey	Your MT_API_KEY from Supabase	"your-api-key"
SendIntervalSeconds	Data transmission frequency	60
SendOpenTrades	Include open positions	false
DebugMode	Enable detailed logging	true

📊 Data Transmitted

Account Metrics:

• Balance, Equity, Margin, Free Margin
• Profit/Loss, Growth, Drawdown
• Margin Level, Broker Info

Trade History:

• Last 50 closed trades
• Trade details (symbol, lots, prices, times)
• Profit/loss per trade
• Optional: Open positions

Platform Info:

• Auto-detects MT4 vs MT5
• Broker name and account details

🔒 Security Features

• HTTPS encryption for all data transmission
• API key authentication
• No trading permissions (read-only)
• Local data processing only

🖥️ macOS Compatibility

Designed specifically for MetaTrader running natively on macOS:

• No VPS required
• No Windows dependencies
• Lightweight and memory-efficient
• Silent background operation

📝 JSON Payload Example

{
  "account_id": "fusion123",
  "user_id": "your-supabase-user-id",
  "broker_name": "FusionMarkets",
  "platform": "MT4",
  "balance": 1234.56,
  "equity": 1200.00,
  "margin": 100.00,
  "free_margin": 1100.00,
  "margin_level": 1100.00,
  "profit": -34.56,
  "drawdown": 2.5,
  "growth": 1.2,
  "trades": [
    {
      "trade_id": "78910",
      "symbol": "EURUSD",
      "action": "buy",
      "lots": 0.5,
      "open_price": 1.09123,
      "close_price": 1.09321,
      "open_time": "2025-05-31T10:00:00Z",
      "close_time": "2025-05-31T10:15:00Z",
      "profit": 20.50,
      "pips": 20,
      "comment": "Scalp trade"
    }
  ]
}

🔧 Troubleshooting

Common Issues:

• WebRequest not allowed → Add URLs to whitelist
• HTTP 401 → Check API key
• No data in dashboard → Verify AccountID matches setup

Debug Steps:

1. Enable DebugMode
2. Check MetaTrader Journal
3. Verify internet connection
4. Test Supabase webhook manually

📞 Support

For issues:

1. Check installation guide
2. Review Journal/Experts tab
3. Verify Supabase webhook status
4. Test with debug mode enabled

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Webhook URL: https://bhhrmriyuhqygmnzqjyr.supabase.co/functions/v1/mt-data

Header: X-API-KEY: your-mt-api-key