Initial public release

hydra/api/indicators.py

@@ -0,0 +1,56 @@
+import json
+from typing import Optional
+from fastapi import APIRouter, Depends, HTTPException
+from hydra.api.auth import verify_api_key
+
+router = APIRouter(prefix="/data")
+_redis = None
+
+
+def set_redis_for_indicators(redis_client) -> None:
+    global _redis
+    _redis = redis_client
+
+
+@router.get("/indicators")
+async def get_indicators(
+    market: str,
+    symbol: str,
+    timeframe: str,
+    _: str = Depends(verify_api_key),
+):
+    """Return the latest cached indicator values for a symbol."""
+    if _redis is None:
+        raise HTTPException(status_code=503, detail="Redis not initialized")
+    key = f"hydra:indicator:{market}:{symbol}:{timeframe}"
+    raw = _redis.get(key)
+    if raw is None:
+        raise HTTPException(status_code=404, detail="No indicators cached for this symbol")
+    return {
+        "market": market,
+        "symbol": symbol,
+        "timeframe": timeframe,
+        "indicators": json.loads(raw),
+    }
+
+
+@router.get("/indicators/list")
+async def list_indicators(_: str = Depends(verify_api_key)):
+    """Return all (market, symbol, timeframe) tuples that have cached indicators."""
+    if _redis is None:
+        raise HTTPException(status_code=503, detail="Redis not initialized")
+    keys = _redis.keys("hydra:indicator:*")
+    result = []
+    for key in keys:
+        parts = key.split(":")
+        # key format: hydra:indicator:{market}:{symbol}:{timeframe}
+        # symbol may contain ":" (e.g. BTC/USDT:USDT for futures)
+        # parts[0]="hydra", parts[1]="indicator", parts[2]=market,
+        # parts[3:-1]=symbol (joined), parts[-1]=timeframe
+        if len(parts) >= 5:
+            result.append({
+                "market": parts[2],
+                "symbol": ":".join(parts[3:-1]),
+                "timeframe": parts[-1],
+            })
+    return result