fix lint

internal/services/service.go

@@ -64,7 +64,11 @@ func (s *Service) RunUntilShutdown(ctx context.Context) error {
 	if err := s.btcNotifier.Start(); err != nil {
 		return fmt.Errorf("failed to start btc chain notifier: %w", err)
 	}
-	defer s.btcNotifier.Stop()
+	defer func() {
+		if err := s.btcNotifier.Stop(); err != nil {
+			log.Error().Err(err).Msg("failed to stop btc chain notifier")
+		}
+	}()
 
 	// Start pollers
 	go s.startExpiryPoller(ctx)

internal/types/global_params.go

@@ -1,13 +1,11 @@
 package types
 
 import (
-	"encoding/hex"
 	"encoding/json"
 	"os"
 	"path/filepath"
 
 	"github.com/babylonlabs-io/networks/parameters/parser"
-	"github.com/btcsuite/btcd/btcec/v2"
 )
 
 type VersionedGlobalParams = parser.VersionedGlobalParams
@@ -33,19 +31,3 @@ func NewGlobalParams(path string) (*GlobalParams, error) {
 
 	return &globalParams, nil
 }
-
-// parseCovenantPubKeyFromHex parses public key string to btc public key
-// the input should be 33 bytes
-func parseCovenantPubKeyFromHex(pkStr string) (*btcec.PublicKey, error) {
-	pkBytes, err := hex.DecodeString(pkStr)
-	if err != nil {
-		return nil, err
-	}
-
-	pk, err := btcec.ParsePubKey(pkBytes)
-	if err != nil {
-		return nil, err
-	}
-
-	return pk, nil
-}