update_token_family_key_expiration.h (2423B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2026 Taler Systems SA 4 5 TALER is free software; you can redistribute it and/or modify it under the 6 terms of the GNU General Public License as published by the Free Software 7 Foundation; either version 3, or (at your option) any later version. 8 9 TALER is distributed in the hope that it will be useful, but WITHOUT ANY 10 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR 11 A PARTICULAR PURPOSE. See the GNU General Public License for more details. 12 13 You should have received a copy of the GNU General Public License along with 14 TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/> 15 */ 16 /** 17 * @file src/include/merchant-database/update_token_family_key_expiration.h 18 * @brief implementation of the update_token_family_key_expiration function for Postgres 19 * @author Christian Grothoff 20 */ 21 #ifndef MERCHANT_DATABASE_UPDATE_TOKEN_FAMILY_KEY_EXPIRATION_H 22 #define MERCHANT_DATABASE_UPDATE_TOKEN_FAMILY_KEY_EXPIRATION_H 23 24 #include <gnunet/gnunet_common.h> 25 #include <taler/taler_util.h> 26 #include <taler/taler_json_lib.h> 27 #include "merchantdb_lib.h" 28 29 30 /** 31 * Extend the lifetime of the private key(s) of the token family 32 * @a token_family_slug that cover the validity period @a valid_at, so that 33 * they can still be used to sign tokens until @a sign_until. Keys whose 34 * private key already lives at least that long (and keys whose private key 35 * was already deleted) are left alone. 36 * 37 * This is what keeps the backend from minting a second key for a validity 38 * period that is already covered, just because a later order has a pay 39 * deadline beyond the retention deadline of the existing key. 40 * 41 * @param pg database context 42 * @param instance_id instance to update the token family key for 43 * @param token_family_slug slug of the token family to update 44 * @param valid_at only extend keys with a validity period that includes this time 45 * @param sign_until the private key must be usable for signing until this time 46 * @return database result code, #GNUNET_DB_STATUS_SUCCESS_NO_RESULTS if no 47 * key needed extending 48 */ 49 enum GNUNET_DB_QueryStatus 50 TALER_MERCHANTDB_update_token_family_key_expiration ( 51 struct TALER_MERCHANTDB_PostgresContext *pg, 52 const char *instance_id, 53 const char *token_family_slug, 54 struct GNUNET_TIME_Timestamp valid_at, 55 struct GNUNET_TIME_Timestamp sign_until); 56 57 58 #endif