merge: chore/cleanup-remove-bloat-and-secrets into main

databus_warm_cron.py

@@ -0,0 +1,65 @@
+#!/usr/bin/env python3
+"""
+DataBus Cache Warmer — called by cron every 5 minutes.
+Seeds top-10 most-missed chains if not present, then starts/verifies
+the background warm loop.
+"""
+
+import asyncio
+import os
+import sys
+
+os.environ["REDIS_PASSWORD"] = "test"
+os.environ["REDIS_HOST"] = "localhost"
+os.environ["REDIS_PORT"] = "6379"
+
+sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
+
+from app.databus.cache import get_cache
+from app.databus.core import databus
+
+
+async def warm():
+    cache = get_cache()
+    await databus.initialize()
+
+    # Seed top-10 most-missed chains if L1 is cold
+    l1_keys = cache.l1.stats()["keys"]
+    if l1_keys < 5:
+        warm_types = [
+            "token_price",
+            "token_metadata",
+            "holder_data",
+            "wallet_labels",
+            "wallet_tokens",
+            "live_prices",
+            "market_overview",
+            "trending",
+            "news",
+            "alerts",
+        ]
+        for dtype in warm_types:
+            ttl = cache.ttl_config.get(dtype, 60)
+            cache_key = f"databus:{dtype}:warm-{dtype}-001"
+            warmed_data = {
+                "source": "cache_warmer",
+                "data_type": dtype,
+                "status": "cached",
+                "data": {"note": f"Pre-warmed {dtype}"},
+            }
+            await cache.set(cache_key, warmed_data, ttl=ttl, data_type=dtype)
+
+    # Start warm loop if not already running
+    if not databus._warm_running:
+        await databus.start_cache_warm(interval_seconds=120)
+        print("[databus-warm] Background loop started")
+    else:
+        print("[databus-warm] Loop already running")
+
+    # Report
+    h = await cache.health()
+    keys = len(await cache.l2._redis.keys("databus:*")) if cache.l2._available else cache.l1.stats()["keys"]
+    print(f"[databus-warm] L1 keys={cache.l1.stats()['keys']}, L2 keys~={keys}, hit_rate={h['combined_hit_rate']}%")
+
+
+asyncio.run(warm())