Use last written miner payment block as max written block

mev_inspect/crud/miner_payments.py

@@ -1,5 +1,7 @@
 import json
-from typing import List
+from typing import List, Optional
+
+from sqlalchemy.sql.expression import func
 
 from mev_inspect.models.miner_payments import MinerPaymentModel
 from mev_inspect.schemas.miner_payments import MinerPayment
@@ -29,3 +31,11 @@ def write_miner_payments(
 
     db_session.bulk_save_objects(models)
     db_session.commit()
+
+
+def get_max_miner_payment_block(db_session) -> Optional[int]:
+    results = db_session.query(func.max(MinerPaymentModel.block_number)).one_or_none()
+    if results is None:
+        return None
+    else:
+        return int(results[0])

run.py

@@ -6,6 +6,8 @@ import time
 from web3 import Web3
 
 from mev_inspect.block import get_latest_block_number
+from mev_inspect.crud.miner_payments import get_max_miner_payment_block
+from mev_inspect.db import get_session
 from mev_inspect.provider import get_base_provider
 
 
@@ -33,7 +35,7 @@ class GracefulKiller:
         self.kill_now = True
 
 
-if __name__ == "__main__":
+def run():
     rpc = os.getenv("RPC_URL")
     if rpc is None:
         raise RuntimeError("Missing environment variable RPC_URL")
@@ -41,12 +43,21 @@ if __name__ == "__main__":
     logger.info("Starting...")
 
     killer = GracefulKiller()
+
+    db_session = get_session()
     base_provider = get_base_provider(rpc)
     w3 = Web3(base_provider)
 
     while not killer.kill_now:
         latest_block_number = get_latest_block_number(w3)
+        last_written_block = get_max_miner_payment_block(db_session)
+
         logger.info(f"Latest block: {latest_block_number}")
+        logger.info(f"Last written block: {last_written_block}")
         time.sleep(5)
 
     logger.info("Stopping...")
+
+
+if __name__ == "__main__":
+    run()