pg_select_purse_merge.c (2874B)
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/pg_select_purse_merge.c 18 * @brief Implementation of the select_purse_merge function for Postgres 19 * @author Christian Grothoff 20 */ 21 #include "taler/taler_pq_lib.h" 22 #include "taler/exchange-database/select_purse_merge.h" 23 #include "helper.h" 24 25 26 enum GNUNET_DB_QueryStatus 27 TALER_TALER_EXCHANGEDB_select_purse_merge ( 28 struct TALER_EXCHANGEDB_PostgresContext *pg, 29 const struct TALER_PurseContractPublicKeyP *purse_pub, 30 struct TALER_PurseMergeSignatureP *merge_sig, 31 struct GNUNET_TIME_Timestamp *merge_timestamp, 32 char **partner_url, 33 struct TALER_ReservePublicKeyP *reserve_pub, 34 bool *refunded) 35 { 36 struct GNUNET_PQ_QueryParam params[] = { 37 GNUNET_PQ_query_param_auto_from_type (purse_pub), 38 GNUNET_PQ_query_param_end 39 }; 40 struct GNUNET_PQ_ResultSpec rs[] = { 41 GNUNET_PQ_result_spec_auto_from_type ("merge_sig", 42 merge_sig), 43 GNUNET_PQ_result_spec_auto_from_type ("reserve_pub", 44 reserve_pub), 45 GNUNET_PQ_result_spec_timestamp ("merge_timestamp", 46 merge_timestamp), 47 GNUNET_PQ_result_spec_allow_null ( 48 GNUNET_PQ_result_spec_string ("partner_base_url", 49 partner_url), 50 NULL), 51 GNUNET_PQ_result_spec_allow_null ( 52 GNUNET_PQ_result_spec_bool ("refunded", 53 refunded), 54 NULL), 55 GNUNET_PQ_result_spec_end 56 }; 57 58 *partner_url = NULL; 59 *refunded = false; 60 PREPARE (pg, 61 "select_purse_merge", 62 "SELECT " 63 " pm.reserve_pub" 64 ",pm.merge_sig" 65 ",pm.merge_timestamp" 66 ",pr.partner_base_url" 67 ",pd.refunded" 68 " FROM purse_merges pm" 69 " LEFT JOIN purse_decision pd USING (purse_pub)" 70 " LEFT JOIN partners pr USING (partner_serial_id)" 71 " WHERE pm.purse_pub=$1;"); 72 return GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 73 "select_purse_merge", 74 params, 75 rs); 76 }