Update src/services/deep_diver_engine.py

src/services/deep_diver_engine.py

@@ -9,13 +9,18 @@ STEALTH_HEADERS = {
 }
 
 def calculate_deep_dive(coin_id: str, user_keys: dict):
-    cg_key = user_keys.get("COINGECKO_API_KEY", "")
+    # 1. Sanitize Inputs (Crucial for preventing 400 Errors)
+    cg_key = str(user_keys.get("COINGECKO_API_KEY", "")).strip()
+    coin_id = str(coin_id).strip().lower()
+    
     base_url = "https://api.coingecko.com/api/v3"
     
     headers = STEALTH_HEADERS.copy()
-    # Handle both Pro and Demo keys logic safely
+    
+    # 2. Header Logic (Safe Mode)
     if cg_key and cg_key != "CONFIG_REQUIRED_CG":
-        if "pro-api" in base_url or len(cg_key) > 20: 
+        # Pro keys are usually just alphanumeric, Demo keys start with CG-
+        if "pro-api" in base_url or (len(cg_key) > 10 and not cg_key.startswith("CG-")): 
              headers["x-cg-pro-api-key"] = cg_key
         else:
              headers["x-cg-demo-api-key"] = cg_key
@@ -24,20 +29,20 @@ def calculate_deep_dive(coin_id: str, user_keys: dict):
         url = f"{base_url}/coins/{coin_id}?localization=false&tickers=true&market_data=true"
         r = requests.get(url, headers=headers, timeout=15)
         
+        # 3. Explicit Error Handling
         if r.status_code == 429:
-            return {"status": "error", "message": "Rate limit exceeded. Try again in 60s."}
-        
+            return {"status": "error", "message": "Rate limit. Wait 60s."}
+        if r.status_code == 404:
+            return {"status": "error", "message": f"Token '{coin_id}' not found."}
         if r.status_code != 200:
+             print(f"DEBUG: Failed URL: {url} | Status: {r.status_code} | Key Used: {bool(cg_key)}")
              return {"status": "error", "message": f"API Error: {r.status_code}"}
             
         res = r.json()
-        # Safety: Use ( ... or {}) to handle if 'market_data' is strictly None
         mkt = res.get('market_data') or {}
         
-        # --- Core Vitals (Null Safe) ---
-        # We use (mkt.get('x') or {}) to prevent AttributeError if the field is None
+        # --- Core Vitals ---
         mcap = (mkt.get('market_cap') or {}).get('usd', 0) or 0
-        # Fallback to 1 to avoid division by zero later
         mcap_calc = mcap if mcap > 0 else 1
         
         vol = (mkt.get('total_volume') or {}).get('usd', 0) or 0
@@ -47,19 +52,15 @@ def calculate_deep_dive(coin_id: str, user_keys: dict):
         v_ch = mkt.get('total_volume_change_24h_percentage', 0)
         v_ch = v_ch if v_ch is not None else 0
         
-        # --- Ratio Safety Logic ---
+        # --- Ratio Logic ---
         vtpc_val = abs(v_ch / p_ch) if p_ch != 0 else 0
         
-        # --- LTMR Calculation ---
         tickers = res.get('tickers') or []
-        # Calculate depth from top 10 pairs
         depth = sum(
             (t.get('cost_to_move_up_usd') or 0) + (t.get('cost_to_move_down_usd') or 0) 
             for t in tickers[:10]
         )
         ltmr = round(depth / mcap_calc, 6) if mcap > 0 else 0
-
-        # Current Price Logic
         current_price = (mkt.get('current_price') or {}).get('usd', 0)
 
         return {