select_auditor_denom_sig.c (2324B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2022 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 exchangedb/select_auditor_denom_sig.c 18 * @brief Implementation of the select_auditor_denom_sig function for Postgres 19 * @author Christian Grothoff 20 */ 21 #include "taler/taler_pq_lib.h" 22 #include "exchange-database/select_auditor_denom_sig.h" 23 #include "helper.h" 24 25 26 enum GNUNET_DB_QueryStatus 27 TALER_EXCHANGEDB_select_auditor_denom_sig ( 28 struct TALER_EXCHANGEDB_PostgresContext *pg, 29 const struct TALER_DenominationHashP *h_denom_pub, 30 const struct TALER_AuditorPublicKeyP *auditor_pub, 31 struct TALER_AuditorSignatureP *auditor_sig) 32 { 33 struct GNUNET_PQ_QueryParam params[] = { 34 GNUNET_PQ_query_param_auto_from_type (auditor_pub), 35 GNUNET_PQ_query_param_auto_from_type (h_denom_pub), 36 GNUNET_PQ_query_param_end 37 }; 38 struct GNUNET_PQ_ResultSpec rs[] = { 39 GNUNET_PQ_result_spec_auto_from_type ("auditor_sig", 40 auditor_sig), 41 GNUNET_PQ_result_spec_end 42 }; 43 44 PREPARE (pg, 45 "select_auditor_denom_sig", 46 "SELECT" 47 " auditor_sig" 48 " FROM auditor_denom_sigs" 49 " WHERE auditor_uuid=" 50 " (SELECT auditor_uuid" 51 " FROM auditors" 52 " WHERE auditor_pub=$1)" 53 " AND denominations_serial=" 54 " (SELECT denominations_serial" 55 " FROM denominations" 56 " WHERE denom_pub_hash=$2);"); 57 58 return GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 59 "select_auditor_denom_sig", 60 params, 61 rs); 62 }