dev@locazia: add service healthy montoring

app/core/models/memory.py

@@ -3,6 +3,7 @@ from contextlib import asynccontextmanager
 from datetime import datetime, timedelta
 
 from app.core.logger import make_log
+from datetime import datetime
 
 
 class Memory:
@@ -12,6 +13,25 @@ class Memory:
 
         self.transactions_disabled = False
 
+        self.known_states = {
+            "uploader": {
+                "status": "no status",
+                "timestamp": None
+            },
+            "uploader_bot": {
+                "status": "no status",
+                "timestamp": None
+            },
+            "indexator": {
+                "status": "no status",
+                "timestamp": None
+            },
+            "ton_daemon": {
+                "status": "no status",
+                "timestamp": None
+            }
+        }
+
     @asynccontextmanager
     async def transaction(self, desc=""):
         make_log("Memory.transaction", f"Starting transaction; {desc}", level='debug')