chore: modify comments about possible improvements

pkg/api/peer.go

@@ -137,14 +137,16 @@ func (s *Service) blocklistPeerHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	// TODO: create custom validator for swarm.Address
+	// TODO: create custom validator for swarm.Address using go-playground/validator and use it here to validate the struct.
+	// Validator should be initialized in the service constructor of mocks as well.
 	if !payload.Address.IsValidNonEmpty() {
 		logger.Debug("peer address is not valid")
 		logger.Error(nil, "peer address is not valid")
 		jsonhttp.BadRequest(w, "peer address is not valid")
 		return
 	}
 
+	// TODO: possible to extend Blocklist method to return actual Duration value in jsonhttp response
 	if err := s.p2p.Blocklist(payload.Address, payload.Duration, payload.Reason); err != nil {
 		logger.Debug("blocklist peer failed", "peer_address", payload.Address, "error", err)
 		if errors.Is(err, p2p.ErrPeerNotFound) {