multi: formatting and comment fixes

macaroons/constraints.go

@@ -229,7 +229,6 @@ func GetCustomCaveatCondition(mac *macaroon.Macaroon,
 		"%s %s ", CondLndCustom, customCaveatName,
 	))
 	for _, caveat := range mac.Caveats() {
-
 		// The caveat id has a format of
 		// "lnd-custom [custom-caveat-name] [custom-caveat-condition]"
 		// and we only want the condition part. If we match the prefix

macaroons/constraints_test.go

@@ -76,6 +76,7 @@ func TestTimeoutConstraint(t *testing.T) {
 		string(testMacaroon.Caveats()[0].Id),
 		expectedTimeCaveatSubstring,
 	) {
+
 		t.Fatalf("Added caveat '%s' does not meet the expectations!",
 			testMacaroon.Caveats()[0].Id)
 	}

macaroons/service.go

@@ -246,6 +246,7 @@ func (svc *Service) ListMacaroonIDs(ctxt context.Context) ([][]byte, error) {
 // found and deleted, it will be returned.
 func (svc *Service) DeleteMacaroonID(ctxt context.Context,
 	rootKeyID []byte) ([]byte, error) {
+
 	return svc.rks.DeleteMacaroonID(ctxt, rootKeyID)
 }
 

macaroons/store.go

@@ -385,7 +385,6 @@ func (r *RootKeyStorage) ListMacaroonIDs(_ context.Context) ([][]byte, error) {
 	// Read all the items in the bucket and append the keys, which are the
 	// root key IDs we want.
 	err := kvdb.View(r.Backend, func(tx kvdb.RTx) error {
-
 		// appendRootKey is a function closure that appends root key ID
 		// to rootKeySlice.
 		appendRootKey := func(k, _ []byte) error {