pg_lookup_donation_unit_amount.h (1615B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2025 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 donaudb/pg_lookup_donation_unit_amount.h 18 * @brief Getting the donation unit amount 19 * @author Bohdan Potuzhnyi 20 */ 21 #ifndef PG_LOOKUP_DONATION_UNIT_H 22 #define PG_LOOKUP_DONATION_UNIT_H 23 24 #include <taler/taler_util.h> 25 #include <taler/taler_json_lib.h> 26 #include "donaudb_plugin.h" 27 /** 28 * Look up the face value of one donation-unit entry. 29 * 30 * @param cls plugin’s `struct PostgresClosure *` 31 * @param h_donation_unit_pub hash of the donation-unit public key (PRIMARY KEY) 32 * @param[out] value amount stored in the table 33 * @return same semantics as every other DH_PG_* lookup: 34 * #GNUNET_DB_STATUS_SUCCESS_ONE_RESULT (==1) on success, 35 * 0 if not found, negative on hard error. 36 */ 37 enum GNUNET_DB_QueryStatus 38 DH_PG_lookup_donation_unit_amount ( 39 void *cls, 40 const struct DONAU_DonationUnitHashP *h_donation_unit_pub, 41 struct TALER_Amount *value); 42 43 #endif /* PG_LOOKUP_DONATION_UNIT_H */