* @param handle handle to the DHT service
* @param timeout timeout for this request to be sent to the
* service (this is NOT a timeout for receiving responses)
- * @param type expected type of the response object (GNUNET_DATASTORE_BLOCKTYPE_*)
+ * @param type expected type of the response object (GNUNET_BLOCK_TYPE_*)
* @param key the key to look up
* @param iter function to call on each result
* @param iter_cls closure for iter