fix: finalize round after both epochs pass

Author: janezicmatej

observer/observer.py

@@ -383,7 +383,7 @@ def validate_fdc(round: VotingRound, entity: Entity, config: Configuration):
     if s2 and ssd and not ss:
         issues.append(
             mb.build(
-                MessageLevel.CRITICAL,
+                MessageLevel.ERROR,
                 (
                     "no submit signatures transaction during grace period, "
                     "causing loss of rewards"

observer/reward_epoch_manager.py

@@ -351,16 +351,10 @@ def finalize(self, block: BlockData) -> list[VotingRound]:
                 self.rounds.pop(k, None)
                 continue
 
-            round = self.rounds[k]
-
-            ftso_finalized = round.ftso.finalization is not None
-            fdc_finalized = round.fdc.finalization is not None
-            both_finalized = fdc_finalized and ftso_finalized
-
             # need to wait until end of next epoch for fdc reveal offence condition
             round_completed = k.next.end_s < block["timestamp"]
 
-            if both_finalized or round_completed:
+            if round_completed:
                 self.finalized = max(self.finalized, k.id)
                 rounds.append(self.rounds.pop(k))