code: def get_owner_asset_ids(self, address):
          
          block_filter = self._get_event_filter(owner=address)
          log_items = block_filter.get_all_entries(max_tries=5)
          did_list = []
          for log_i in log_items:
              did_list.append(id_to_did(log_i.args['_did']))
  
          return did_list
docs: Get the list of assets owned by an address owner.
  
          :param address: ethereum account address, hex str
          :return: