get_purse_request.c (2915B)
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/template.c 18 * @brief Implementation of the template function for Postgres 19 * @author Christian Grothoff 20 */ 21 #include "taler/taler_pq_lib.h" 22 #include "exchange-database/get_purse_request.h" 23 #include "helper.h" 24 25 enum GNUNET_DB_QueryStatus 26 TALER_EXCHANGEDB_get_purse_request ( 27 struct TALER_EXCHANGEDB_PostgresContext *pg, 28 const struct TALER_PurseContractPublicKeyP *purse_pub, 29 struct TALER_PurseMergePublicKeyP *merge_pub, 30 struct GNUNET_TIME_Timestamp *purse_expiration, 31 struct TALER_PrivateContractHashP *h_contract_terms, 32 uint32_t *age_limit, 33 struct TALER_Amount *target_amount, 34 struct TALER_Amount *balance, 35 struct TALER_PurseContractSignatureP *purse_sig) 36 { 37 struct GNUNET_PQ_QueryParam params[] = { 38 GNUNET_PQ_query_param_auto_from_type (purse_pub), 39 GNUNET_PQ_query_param_end 40 }; 41 struct GNUNET_PQ_ResultSpec rs[] = { 42 GNUNET_PQ_result_spec_auto_from_type ("merge_pub", 43 merge_pub), 44 GNUNET_PQ_result_spec_timestamp ("purse_expiration", 45 purse_expiration), 46 GNUNET_PQ_result_spec_auto_from_type ("h_contract_terms", 47 h_contract_terms), 48 GNUNET_PQ_result_spec_uint32 ("age_limit", 49 age_limit), 50 TALER_PQ_RESULT_SPEC_AMOUNT ("amount_with_fee", 51 target_amount), 52 TALER_PQ_RESULT_SPEC_AMOUNT ("balance", 53 balance), 54 GNUNET_PQ_result_spec_auto_from_type ("purse_sig", 55 purse_sig), 56 GNUNET_PQ_result_spec_end 57 }; 58 59 PREPARE (pg, 60 "get_purse_request", 61 "SELECT " 62 " merge_pub" 63 ",purse_expiration" 64 ",h_contract_terms" 65 ",age_limit" 66 ",amount_with_fee" 67 ",balance" 68 ",purse_sig" 69 " FROM purse_requests" 70 " WHERE purse_pub=$1;"); 71 return GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 72 "get_purse_request", 73 params, 74 rs); 75 }