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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 "platform.h" 22 : #include "taler_error_codes.h" 23 : #include "taler_dbevents.h" 24 : #include "taler_pq_lib.h" 25 : #include "pg_select_purse_merge.h" 26 : #include "pg_helper.h" 27 : 28 : 29 : enum GNUNET_DB_QueryStatus 30 2 : TEH_PG_select_purse_merge ( 31 : void *cls, 32 : const struct TALER_PurseContractPublicKeyP *purse_pub, 33 : struct TALER_PurseMergeSignatureP *merge_sig, 34 : struct GNUNET_TIME_Timestamp *merge_timestamp, 35 : char **partner_url, 36 : struct TALER_ReservePublicKeyP *reserve_pub, 37 : bool *refunded) 38 : { 39 2 : struct PostgresClosure *pg = cls; 40 2 : struct GNUNET_PQ_QueryParam params[] = { 41 2 : GNUNET_PQ_query_param_auto_from_type (purse_pub), 42 : GNUNET_PQ_query_param_end 43 : }; 44 2 : struct GNUNET_PQ_ResultSpec rs[] = { 45 2 : GNUNET_PQ_result_spec_auto_from_type ("merge_sig", 46 : merge_sig), 47 2 : GNUNET_PQ_result_spec_auto_from_type ("reserve_pub", 48 : reserve_pub), 49 2 : GNUNET_PQ_result_spec_timestamp ("merge_timestamp", 50 : merge_timestamp), 51 2 : GNUNET_PQ_result_spec_allow_null ( 52 : GNUNET_PQ_result_spec_string ("partner_base_url", 53 : partner_url), 54 : NULL), 55 2 : GNUNET_PQ_result_spec_allow_null ( 56 : GNUNET_PQ_result_spec_bool ("refunded", 57 : refunded), 58 : NULL), 59 : GNUNET_PQ_result_spec_end 60 : }; 61 : 62 2 : *partner_url = NULL; 63 2 : *refunded = false; 64 2 : PREPARE (pg, 65 : "select_purse_merge", 66 : "SELECT " 67 : " pm.reserve_pub" 68 : ",pm.merge_sig" 69 : ",pm.merge_timestamp" 70 : ",pr.partner_base_url" 71 : ",pd.refunded" 72 : " FROM purse_merges pm" 73 : " LEFT JOIN purse_decision pd USING (purse_pub)" 74 : " LEFT JOIN partners pr USING (partner_serial_id)" 75 : " WHERE pm.purse_pub=$1;"); 76 2 : return GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 77 : "select_purse_merge", 78 : params, 79 : rs); 80 : }