anchor.diff:  
   -export([store/1
            ,create/2
  -         ,destroy/1
            ,create_ets_table/0
            ,reindex_tokens/1
            ,reindex_tokens/0
  
positive.code:     ets:insert(?TOKEN_TAB, Token).
  
  delete(#token{id = Id, channel_id = ChannelId}) ->
      ets:delete(?TOKEN_TAB, Id),
      ets:delete(?CHAN_TOKEN_TAB, index_key(ChannelId, Id)).
  
  delete_by_id(Id) ->
      case lookup(Id) of
  
negative.code:             Err
      end.
  
  lookup(TokenId) when is_binary(TokenId) ->
      case ets:lookup(?TOKEN_TAB, TokenId) of
          [Token] when is_record(Token, token) ->
  