auth

backend/examples/ccxt_integration_example.py

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+"""
+Example: Integrating CCXT DataSource into main.py
+
+This shows how to register a CCXT exchange datasource in your application.
+"""
+
+# In your backend/src/main.py, add this to the lifespan function:
+
+"""
+from datasource.adapters.ccxt_adapter import CCXTDataSource
+
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    global agent_executor
+
+    # Initialize data sources
+    demo_source = DemoDataSource()
+    datasource_registry.register("demo", demo_source)
+    subscription_manager.register_source("demo", demo_source)
+
+    # Add CCXT Binance datasource
+    binance_source = CCXTDataSource(
+        exchange_id="binance",
+        poll_interval=60,  # Poll every 60 seconds for updates
+    )
+    datasource_registry.register("binance", binance_source)
+    subscription_manager.register_source("binance", binance_source)
+
+    # Add CCXT Coinbase datasource
+    coinbase_source = CCXTDataSource(
+        exchange_id="coinbase",
+        poll_interval=60,
+    )
+    datasource_registry.register("coinbase", coinbase_source)
+    subscription_manager.register_source("coinbase", coinbase_source)
+
+    # Add CCXT Kraken datasource
+    kraken_source = CCXTDataSource(
+        exchange_id="kraken",
+        poll_interval=60,
+    )
+    datasource_registry.register("kraken", kraken_source)
+    subscription_manager.register_source("kraken", kraken_source)
+
+    logger.info("DataSource infrastructure initialized with demo + CCXT sources")
+
+    # ... rest of initialization ...
+
+    yield
+
+    # Cleanup
+    await binance_source.close()
+    await coinbase_source.close()
+    await kraken_source.close()
+    # ... rest of cleanup ...
+"""
+
+# Usage examples:
+
+# 1. Connect to datafeed WebSocket and request Binance data:
+"""
+{
+  "type": "request",
+  "source": "binance",
+  "method": "search_symbols",
+  "params": {
+    "query": "BTC"
+  }
+}
+"""
+
+# 2. Get historical bars from Binance:
+"""
+{
+  "type": "request",
+  "source": "binance",
+  "method": "get_bars",
+  "params": {
+    "symbol": "BTC/USDT",
+    "resolution": "60",
+    "from_time": 1234567890,
+    "to_time": 1234567999
+  }
+}
+"""
+
+# 3. Subscribe to polling updates:
+"""
+{
+  "type": "subscribe",
+  "source": "binance",
+  "symbol": "BTC/USDT",
+  "resolution": "1"
+}
+"""
+
+print("See comments above for integration examples!")