multi: formatting and comment fixes

watchtower/lookout/justice_descriptor_test.go

@@ -156,7 +156,6 @@ func testJusticeDescriptor(t *testing.T, blobType blob.Type) {
 
 		// As it should be.
 		toRemoteSigningScript = toRemoteRedeemScript
-
 	} else {
 		toRemoteRedeemScript = toRemotePK.SerializeCompressed()
 		toRemoteScriptHash, err = input.CommitScriptUnencumbered(

watchtower/wtdb/client_db.go

@@ -631,7 +631,7 @@ func createSessionKeyIndexKey(towerID TowerID, blobType blob.Type) []byte {
 	return keyBytes[:]
 }
 
-// getSessionKeyIndex is a helper method
+// getSessionKeyIndex is a helper method.
 func getSessionKeyIndex(keyIndexes kvdb.RwBucket, towerID TowerID,
 	blobType blob.Type) (uint32, error) {
 

watchtower/wtmock/signer.go

@@ -31,6 +31,7 @@ func NewMockSigner() *MockSigner {
 // signature without the signhash flag.
 func (s *MockSigner) SignOutputRaw(tx *wire.MsgTx,
 	signDesc *input.SignDescriptor) (input.Signature, error) {
+
 	s.mu.Lock()
 	defer s.mu.Unlock()