anchor.diff:                                        Cause::any()).
   put({Object, Ref}) ->
       AddrId = Object#?OBJECT.addr_id,
  -    Key    = Object#?OBJECT.key,
  +    Key = Object#?OBJECT.key,
   
       case Object#?OBJECT.del of
           ?DEL_TRUE->
  
positive.code:                                       Cause::any()).
  delete({Object, Ref}) ->
      AddrId = Object#?OBJECT.addr_id,
      Key    = Object#?OBJECT.key,
  
      case leo_object_storage_api:head({AddrId, Key}) of
          {ok, MetaBin} ->
  
negative.code:     ok;
  delete_chunked_objects(CIndex, ParentKey) ->
      IndexBin = list_to_binary(integer_to_list(CIndex)),
      Key = << ParentKey/binary, "\n", IndexBin/binary >>,
      AddrId = leo_redundant_manager_chash:vnode_id(Key),
  
      case leo_storage_handler_object:head(AddrId, Key) of
  