mexc debug files

NN/exchanges/mexc/debug/test_mexc_signature_debug.py

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+#!/usr/bin/env python3
+"""
+Debug MEXC Signature Generation
+
+Tests signature generation against known working examples
+"""
+
+import os
+import sys
+import time
+import hmac
+import hashlib
+import logging
+from pathlib import Path
+
+# Add project root to path
+project_root = Path(__file__).parent
+sys.path.insert(0, str(project_root))
+
+# Enable debug logging
+logging.basicConfig(level=logging.DEBUG)
+
+def test_signature_generation():
+    """Test signature generation with known parameters"""
+    print("MEXC Signature Generation Debug")
+    print("=" * 50)
+    
+    # Get API credentials
+    api_key = os.getenv('MEXC_API_KEY', '')
+    api_secret = os.getenv('MEXC_SECRET_KEY', '')
+    
+    if not api_key or not api_secret:
+        print("❌ No MEXC API credentials found")
+        return False
+    
+    # Import the interface
+    from NN.exchanges.mexc_interface import MEXCInterface
+    
+    mexc = MEXCInterface(api_key=api_key, api_secret=api_secret, test_mode=False)
+    
+    # Test 1: Manual signature generation (working method from examples)
+    print("\n1. Manual signature generation (working method):")
+    timestamp = str(int(time.time() * 1000))
+    
+    # Parameters in exact order from working example
+    params_string = f"timestamp={timestamp}&recvWindow=5000"
+    print(f"Params string: {params_string}")
+    
+    signature_manual = hmac.new(
+        api_secret.encode('utf-8'),
+        params_string.encode('utf-8'),
+        hashlib.sha256
+    ).hexdigest()
+    
+    print(f"Manual signature: {signature_manual}")
+    
+    # Test 2: Interface signature generation
+    print("\n2. Interface signature generation:")
+    params_dict = {
+        'timestamp': timestamp,
+        'recvWindow': '5000'
+    }
+    
+    signature_interface = mexc._generate_signature(params_dict)
+    print(f"Interface signature: {signature_interface}")
+    
+    # Compare
+    if signature_manual == signature_interface:
+        print("✅ Signatures match!")
+    else:
+        print("❌ Signatures don't match")
+        print("This indicates a problem with the signature generation method")
+    
+    # Test 3: Try account request with manual signature
+    print("\n3. Testing account request with manual method:")
+    
+    import requests
+    
+    url = f"https://api.mexc.com/api/v3/account"
+    headers = {
+        'X-MEXC-APIKEY': api_key
+    }
+    
+    params = {
+        'timestamp': timestamp,
+        'recvWindow': '5000',
+        'signature': signature_manual
+    }
+    
+    print(f"Making request to: {url}")
+    print(f"Headers: {headers}")
+    print(f"Params: {params}")
+    
+    try:
+        response = requests.get(url, headers=headers, params=params, timeout=10)
+        print(f"Response status: {response.status_code}")
+        print(f"Response: {response.text}")
+        
+        if response.status_code == 200:
+            print("✅ Manual method works!")
+            return True
+        else:
+            print("❌ Manual method failed")
+            
+            # Test 4: Try different parameter ordering
+            print("\n4. Testing different parameter orderings:")
+            
+            # Try alphabetical ordering (current implementation)
+            params_alpha = sorted(params_dict.items())
+            params_alpha_string = '&'.join([f"{k}={v}" for k, v in params_alpha])
+            print(f"Alphabetical: {params_alpha_string}")
+            
+            # Try the exact order from Postman collection
+            params_postman_string = f"recvWindow=5000&timestamp={timestamp}"
+            print(f"Postman order: {params_postman_string}")
+            
+            sig_alpha = hmac.new(api_secret.encode('utf-8'), params_alpha_string.encode('utf-8'), hashlib.sha256).hexdigest()
+            sig_postman = hmac.new(api_secret.encode('utf-8'), params_postman_string.encode('utf-8'), hashlib.sha256).hexdigest()
+            
+            print(f"Alpha signature: {sig_alpha}")
+            print(f"Postman signature: {sig_postman}")
+            
+            # Test with postman order
+            params_test = {
+                'timestamp': timestamp,
+                'recvWindow': '5000',
+                'signature': sig_postman
+            }
+            
+            response2 = requests.get(url, headers=headers, params=params_test, timeout=10)
+            print(f"Postman order response: {response2.status_code} - {response2.text}")
+            
+    except Exception as e:
+        print(f"Request failed: {e}")
+        return False
+    
+    return False
+
+if __name__ == "__main__":
+    test_signature_generation()