capturing capcha tokens

core/mexc_webclient/mexc_futures_client.py

@@ -19,6 +19,8 @@ from typing import Dict, List, Optional, Any
 from datetime import datetime
 import uuid
 from urllib.parse import urlencode
+import glob
+import os
 
 logger = logging.getLogger(__name__)
 
@@ -191,16 +193,30 @@ class MEXCFuturesWebClient:
     def _extract_captcha_token_from_browser(self) -> str:
         """
         Extract captcha token from browser session using stored cookies or requests.
-        This is a placeholder for actual implementation which would interact with browser data.
+        This method looks for the most recent mexc_captcha_tokens JSON file to retrieve a token.
         """
         try:
-            # Placeholder for extracting token from browser session or stored data
-            # In a real scenario, this would parse the mexc_requests JSON file or interact with Selenium
-            logger.info("MEXC: Attempting to extract captcha token from browser data")
-            # For now, return empty string as placeholder
-            return ""
+            # Look for the most recent mexc_captcha_tokens file
+            captcha_files = glob.glob("mexc_captcha_tokens_*.json")
+            if not captcha_files:
+                logger.error("MEXC: No CAPTCHA token files found")
+                return ""
+            
+            # Sort files by timestamp (most recent first)
+            latest_file = max(captcha_files, key=os.path.getctime)
+            logger.info(f"MEXC: Using CAPTCHA token file {latest_file}")
+            
+            with open(latest_file, 'r') as f:
+                captcha_data = json.load(f)
+            
+            if captcha_data and isinstance(captcha_data, list) and len(captcha_data) > 0:
+                # Return the most recent token
+                return captcha_data[0].get('token', '')
+            else:
+                logger.error("MEXC: No valid CAPTCHA tokens found in file")
+                return ""
         except Exception as e:
-            logger.error(f"MEXC: Error extracting captcha token from browser: {str(e)}")
+            logger.error(f"MEXC: Error extracting captcha token from browser data: {str(e)}")
             return ""
     
     def generate_signature(self, method: str, path: str, params: Dict[str, Any],