do_recoup_refresh.c (3607B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2022, 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 exchangedb/do_recoup_refresh.c 18 * @brief Implementation of the do_recoup_refresh function for Postgres 19 * @author Christian Grothoff 20 * @author Özgür Kesim 21 */ 22 #include "taler/taler_pq_lib.h" 23 #include "exchange-database/do_recoup_refresh.h" 24 #include "helper.h" 25 26 enum GNUNET_DB_QueryStatus 27 TALER_EXCHANGEDB_do_recoup_refresh ( 28 struct TALER_EXCHANGEDB_PostgresContext *pg, 29 const struct TALER_CoinSpendPublicKeyP *old_coin_pub, 30 uint64_t refresh_id, 31 uint32_t coin_index, 32 const union GNUNET_CRYPTO_BlindingSecretP *coin_bks, 33 const struct TALER_CoinSpendPublicKeyP *coin_pub, 34 uint64_t known_coin_id, 35 const struct TALER_CoinSpendSignatureP *coin_sig, 36 struct GNUNET_TIME_Timestamp *recoup_timestamp, 37 struct TALER_Amount *recoup_amount, 38 bool *recoup_ok, 39 bool *internal_failure) 40 { 41 struct GNUNET_PQ_QueryParam params[] = { 42 GNUNET_PQ_query_param_auto_from_type (old_coin_pub), 43 GNUNET_PQ_query_param_uint64 (&refresh_id), 44 GNUNET_PQ_query_param_uint32 (&coin_index), 45 GNUNET_PQ_query_param_auto_from_type (coin_bks), 46 GNUNET_PQ_query_param_auto_from_type (coin_pub), 47 GNUNET_PQ_query_param_uint64 (&known_coin_id), 48 GNUNET_PQ_query_param_auto_from_type (coin_sig), 49 GNUNET_PQ_query_param_timestamp (recoup_timestamp), 50 GNUNET_PQ_query_param_end 51 }; 52 bool is_null; 53 bool amount_is_null; 54 struct GNUNET_PQ_ResultSpec rs[] = { 55 GNUNET_PQ_result_spec_allow_null ( 56 GNUNET_PQ_result_spec_timestamp ("recoup_timestamp", 57 recoup_timestamp), 58 &is_null), 59 GNUNET_PQ_result_spec_allow_null ( 60 TALER_PQ_result_spec_amount ("recoup_amount", 61 pg->currency, 62 recoup_amount), 63 &amount_is_null), 64 GNUNET_PQ_result_spec_bool ("recoup_ok", 65 recoup_ok), 66 GNUNET_PQ_result_spec_bool ("internal_failure", 67 internal_failure), 68 GNUNET_PQ_result_spec_end 69 }; 70 71 72 PREPARE (pg, 73 "do_recoup_refresh", 74 "SELECT " 75 " out_recoup_timestamp AS recoup_timestamp" 76 ",out_recoup_amount AS recoup_amount" 77 ",out_recoup_ok AS recoup_ok" 78 ",out_internal_failure AS internal_failure" 79 " FROM exchange_do_recoup_to_coin" 80 " ($1,$2,$3,$4,$5,$6,$7,$8);"); 81 82 { 83 enum GNUNET_DB_QueryStatus qs; 84 85 qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 86 "do_recoup_refresh", 87 params, 88 rs); 89 if ( (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != qs) || 90 amount_is_null) 91 GNUNET_assert (GNUNET_OK == 92 TALER_amount_set_zero (pg->currency, 93 recoup_amount)); 94 return qs; 95 } 96 }