fix peer gater logs

op-node/p2p/peer_gater.go

@@ -40,15 +40,18 @@ func NewPeerGater(connGater ConnectionGater, log log.Logger, banEnabled bool) Pe
 func (s *gater) Update(id peer.ID, score float64) {
 	// Check if the peer score is below the threshold
 	// If so, we need to block the peer
+	isAlreadyBlocked := slices.Contains(s.connGater.ListBlockedPeers(), id)
 	if score < PeerScoreThreshold && s.banEnabled {
+		if !isAlreadyBlocked {
 			s.log.Warn("peer blocking enabled, blocking peer", "id", id.String(), "score", score)
+		}
 		err := s.connGater.BlockPeer(id)
 		if err != nil {
 			s.log.Warn("connection gater failed to block peer", "id", id.String(), "err", err)
 		}
 	}
 	// Unblock peers whose score has recovered to an acceptable level
-	if (score > PeerScoreThreshold) && slices.Contains(s.connGater.ListBlockedPeers(), id) {
+	if (score > PeerScoreThreshold) && isAlreadyBlocked {
 		err := s.connGater.UnblockPeer(id)
 		if err != nil {
 			s.log.Warn("connection gater failed to unblock peer", "id", id.String(), "err", err)

op-node/p2p/peer_gater_test.go

@@ -44,6 +44,9 @@ func (testSuite *PeerGaterTestSuite) TestPeerGaterUpdate() {
 		true,
 	)
 
+	// Return an empty list of already blocked peers
+	testSuite.mockGater.On("ListBlockedPeers").Return([]peer.ID{})
+
 	// Mock a connection gater peer block call
 	// Since the peer score is below the [PeerScoreThreshold] of -100,
 	// the [BlockPeer] method should be called
@@ -61,6 +64,9 @@ func (testSuite *PeerGaterTestSuite) TestPeerGaterUpdateNoBanning() {
 		false,
 	)
 
+	// Return an empty list of already blocked peers
+	testSuite.mockGater.On("ListBlockedPeers").Return([]peer.ID{})
+
 	// Notice: [BlockPeer] should not be called since banning is not enabled
 	gater.Update(peer.ID("peer1"), float64(-100000))
 }