fix: add missing nil check in store.GetStore (#9354)

* fix: add missing nil check in store.GetStore * check nil in rootmulti as well
2021-05-19 08:17:46 +00:00
parent 377360a391
commit b065e20f2b
3 changed files with 34 additions and 3 deletions
@@ -492,7 +492,11 @@ func (rs *Store) GetStore(key types.StoreKey) types.Store {
 // NOTE: The returned KVStore may be wrapped in an inter-block cache if it is
 // set on the root store.
 func (rs *Store) GetKVStore(key types.StoreKey) types.KVStore {
-	store := rs.stores[key].(types.KVStore)
+	s := rs.stores[key]
+	if s == nil {
+		panic(fmt.Sprintf("store does not exist for key: %s", key.Name()))
+	}
+	store := s.(types.KVStore)

 	if rs.TracingEnabled() {
 		store = tracekv.NewStore(store, rs.traceWriter, rs.traceContext)