fix: db update after the first redeeming period

packages/valory/skills/decision_maker_abci/states/base.py

@@ -117,15 +117,17 @@ def utilized_tools(self) -> Dict[str, int]:
     @property
     def redeemed_condition_ids(self) -> Set[str]:
         """Get the condition ids of all the redeemed positions."""
-        ids = str(self.db.get("redeemed_condition_ids", "[]"))
+        ids = self.db.get("redeemed_condition_ids", None)
+        if ids is None:
+            return set()
         return set(json.loads(ids))
 
     @property
     def payout_so_far(self) -> int:
         """Get the payout of all the redeemed positions so far."""
         payout = self.db.get("payout_so_far", None)
         if payout is None:
-            payout = 0
+            return 0
         return int(payout)
 
     @property

packages/valory/skills/decision_maker_abci/states/redeem.py

@@ -60,7 +60,7 @@ def end_block(self) -> Optional[Tuple[BaseSynchronizedData, Enum]]:
         if synced_data.period_count == 0:
             # necessary for persisted keys to function properly and not raise an exception when the first period ends
             update = {
-                db_key: getattr(synced_data, db_key)
+                db_key: getattr(synced_data.db, db_key, None)
                 for db_key in RedeemRound.selection_key
             }
             synced_data.db.update(**update)