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# Real Data Validation Report
## Validation Tests
### 1. Data Providers (`backend/live_data/providers.py`)
- **CoinGecko**: Confirmed working. Fetches real prices (e.g., BTC ~$90k).
- **Binance**: Reachable but returned HTTP 451 (Geo-blocked) in test environment. Fallback mechanisms are in place.
- **Alternative.me**: Confirmed working. Fetches Fear & Greed Index (e.g., "Fear" at 29).
- **CryptoPanic**: Implemented, requires API key for full functionality, falls back gracefully.
### 2. Caching Layer (`backend/cache/cache_manager.py`)
- **Functionality**: Verified set/get operations with TTL.
- **Integration**: Routers updated to check cache before fetching real data.
### 3. API Routers
- **`backend/routers/hf_space_api.py`**:
- **Refactored** to use `backend/live_data/providers.py`.
- **Removed** all random data generation logic.
- **Endpoints**:
- `/api/market`: Uses CoinGecko.
- `/api/market/ohlc`: Uses Binance (with potential 451 handling).
- `/api/news`: Uses CryptoPanic.
- `/api/sentiment/global`: Uses Alternative.me.
- `/api/crypto/blockchain/gas`: Placeholder (returns empty instead of fake).
- **`hf_unified_server.py`**:
- **Refactored** `api_sentiment_global` to remove random fallback.
- **Refactored** `api_sentiment_asset` to return error/empty instead of fake sentiment.
- **Refactored** `api_ai_signals` to return empty signals instead of random ones.
- **Refactored** `api_ai_decision` to return "unavailable" instead of random decision.
### 4. Background Workers
- **`workers/market_data_worker.py`**: Confirmed to use CoinGecko API exclusively. No mock data.
- **`workers/ohlc_data_worker.py`**: Confirmed to use Multi-Source Fallback (CoinGecko -> Kraken -> Coinbase -> Binance). No mock data.
### 5. WebSocket Broadcaster
- **`api/ws_data_broadcaster.py`**: Validated that it broadcasts data sourced from the database (populated by real workers).
## Conclusion
All mock data generation sources identified have been removed or refactored to use real production-grade data providers. The system now relies entirely on external APIs (CoinGecko, Binance, etc.) or persistent database storage populated by real data workers. Fallback mechanisms are in place to handle API failures gracefully without reverting to fake data.
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