anchor.diff:                    price = Value},
   
       {ok, TxId} = pvc:start_transaction(),
  +    lager:info("{~p} ~p", [erlang:phash2(TxId), ?FUNCTION_NAME]),
   
       %% Insert the bid and update the related indices
       %% Make sure we don't perform blind-writes
  
positive.code:     %% Get all items in category CategoryId, such that their sellers
      %% are part of the given region
      {ok, TxId} = pvc:start_transaction(),
      {ok, [RegionName]} = pvc:read_keys(RegionId, TxId),
      UserRegionIndex = ?ru:gen_index_name(RegionName, users_region),
      {ok, UsersInRegion} = pvc_indices:read_index(UserRegionIndex, TxId),
  
negative.code:     SellerIndex = ?ru:gen_index_name(UserGroup, items_seller_id),
  
      {ok, TxId} = pvc:start_transaction(),
      lager:info("{~p} ~p", [erlang:phash2(TxId), ?FUNCTION_NAME]),
      {ok, [#user{username = Username}]} = pvc:read_keys(UserId, TxId),
  
      %% Get all the items sold by the given UserId
  