diff options
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/taler_exchange_service.h | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/src/include/taler_exchange_service.h b/src/include/taler_exchange_service.h index 1da42b897..e65a9faee 100644 --- a/src/include/taler_exchange_service.h +++ b/src/include/taler_exchange_service.h @@ -220,7 +220,7 @@ struct TALER_EXCHANGE_Keys * * @param cls closure * @param keys information about the various keys used - * by the exchange + * by the exchange, NULL if /keys failed */ typedef void (*TALER_EXCHANGE_CertificationCallback) (void *cls, @@ -244,7 +244,8 @@ struct TALER_EXCHANGE_Handle; * * @param ctx the context * @param url HTTP base URL for the exchange - * @param cert_cb function to call with the exchange's certification information + * @param cert_cb function to call with the exchange's certification information, + * possibly called repeatedly if the information changes * @param cert_cb_cls closure for @a cert_cb * @param ... list of additional arguments, terminated by #TALER_EXCHANGE_OPTION_END. * @return the exchange handle; NULL upon error @@ -273,18 +274,28 @@ TALER_EXCHANGE_disconnect (struct TALER_EXCHANGE_Handle *exchange); * @return the exchange's key set */ const struct TALER_EXCHANGE_Keys * -TALER_EXCHANGE_get_keys (const struct TALER_EXCHANGE_Handle *exchange); +TALER_EXCHANGE_get_keys (struct TALER_EXCHANGE_Handle *exchange); /** - * Obtain the keys from the exchange in the - * raw JSON format + * Check if our current response for /keys is valid, and if + * not, trigger /keys download. + * + * @param exchange exchange to check keys for + * @return until when the response is current, 0 if we are re-downloading + */ +struct GNUNET_TIME_Absolute +TALER_EXCHANGE_check_keys_current (struct TALER_EXCHANGE_Handle *exchange); + + +/** + * Obtain the keys from the exchange in the raw JSON format. * * @param exchange the exchange handle * @return the exchange's keys in raw JSON */ json_t * -TALER_EXCHANGE_get_keys_raw (const struct TALER_EXCHANGE_Handle *exchange); +TALER_EXCHANGE_get_keys_raw (struct TALER_EXCHANGE_Handle *exchange); /** |