Increase metagraph refresh rate

app.py

@@ -1,7 +1,7 @@
 import json
 import os
 from dataclasses import dataclass
-from datetime import datetime, timedelta
+from datetime import datetime
 from zoneinfo import ZoneInfo
 
 import bittensor as bt
@@ -17,7 +17,8 @@ SOURCE_VALIDATOR_UID = int(os.environ["SOURCE_VALIDATOR_UID"])
 
 START_DATE = datetime(2024, 9, 17)
 NET_UID = 39
-REFRESH_RATE = 600
+REFRESH_RATE = 600  # 10 minutes
+METAGRAPH_REFRESH_RATE = 43200  # 12 hours
 GRAPH_HISTORY_DAYS = 30
 MAX_GRAPH_ENTRIES = 10
 
@@ -30,6 +31,7 @@ bt.logging.disable_logging()
 runs: dict[int, list[Run]] = {}
 validator_identities: dict[int, str] = {}
 last_refresh: datetime = datetime.fromtimestamp(0, tz=ZoneInfo("America/New_York"))
+last_metagraph_refresh: datetime = datetime.fromtimestamp(0, tz=ZoneInfo("America/New_York"))
 
 
 @dataclass
@@ -219,13 +221,16 @@ def get_validator_name(validator_uid: int) -> str:
 
 def try_refresh():
     global last_refresh
+    global last_metagraph_refresh
     now = datetime.now(tz=ZoneInfo("America/New_York"))
 
     if (now - last_refresh).total_seconds() > REFRESH_RATE:
         print(f"Refreshing Leaderboard at {now.strftime('%Y-%m-%d %H:%M:%S')}")
-        metagraph.sync(subtensor=subtensor)
         fetch_wandb_data()
-        fetch_identities()
+        if (now - last_metagraph_refresh).total_seconds() > METAGRAPH_REFRESH_RATE:
+            metagraph.sync(subtensor=subtensor)
+            fetch_identities()
+            last_metagraph_refresh = now
         last_refresh = now