get_kyc_rules.c (3931B)
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/get_kyc_rules.c 18 * @brief Implementation of the get_kyc_rules function for Postgres 19 * @author Christian Grothoff 20 */ 21 #include "taler/taler_pq_lib.h" 22 #include "exchange-database/get_kyc_rules.h" 23 #include "helper.h" 24 25 26 enum GNUNET_DB_QueryStatus 27 TALER_EXCHANGEDB_get_kyc_rules ( 28 struct TALER_EXCHANGEDB_PostgresContext *pg, 29 const struct TALER_NormalizedPaytoHashP *h_payto, 30 const struct TALER_MerchantPublicKeyP *merchant_pub, 31 bool *no_account_pub, 32 union TALER_AccountPublicKeyP *account_pub, 33 bool *no_reserve_pub, 34 struct TALER_ReservePublicKeyP *reserve_pub, 35 json_t **jrules) 36 { 37 struct GNUNET_TIME_Timestamp now 38 = GNUNET_TIME_timestamp_get (); 39 struct GNUNET_PQ_QueryParam params[] = { 40 GNUNET_PQ_query_param_auto_from_type (h_payto), 41 GNUNET_PQ_query_param_timestamp (&now), 42 NULL != merchant_pub 43 ? GNUNET_PQ_query_param_auto_from_type (merchant_pub) 44 : GNUNET_PQ_query_param_null (), 45 GNUNET_PQ_query_param_end 46 }; 47 struct GNUNET_PQ_ResultSpec rs[] = { 48 GNUNET_PQ_result_spec_allow_null ( 49 GNUNET_PQ_result_spec_auto_from_type ("target_pub", 50 account_pub), 51 no_account_pub), 52 GNUNET_PQ_result_spec_allow_null ( 53 GNUNET_PQ_result_spec_auto_from_type ("reserve_pub", 54 reserve_pub), 55 no_reserve_pub), 56 GNUNET_PQ_result_spec_allow_null ( 57 TALER_PQ_result_spec_json ("jnew_rules", 58 jrules), 59 NULL), 60 GNUNET_PQ_result_spec_end 61 }; 62 63 *jrules = NULL; 64 *no_account_pub = true; 65 *no_reserve_pub = true; 66 memset (account_pub, 67 0, 68 sizeof (*account_pub)); 69 memset (reserve_pub, 70 0, 71 sizeof (*reserve_pub)); 72 PREPARE (pg, 73 "get_kyc_rules", 74 "SELECT" 75 " out_target_pub AS target_pub" 76 " ,out_jnew_rules::TEXT AS jnew_rules" 77 " ,out_reserve_pub AS reserve_pub" 78 " FROM exchange_do_get_kyc_rules ($1,$2,$3);"); 79 return GNUNET_PQ_eval_prepared_singleton_select ( 80 pg->conn, 81 "get_kyc_rules", 82 params, 83 rs); 84 } 85 86 87 enum GNUNET_DB_QueryStatus 88 TALER_TALER_EXCHANGEDB_get_kyc_rules2 ( 89 struct TALER_EXCHANGEDB_PostgresContext *pg, 90 const struct TALER_NormalizedPaytoHashP *h_payto, 91 json_t **jrules) 92 { 93 struct GNUNET_TIME_Timestamp now 94 = GNUNET_TIME_timestamp_get (); 95 struct GNUNET_PQ_QueryParam params[] = { 96 GNUNET_PQ_query_param_auto_from_type (h_payto), 97 GNUNET_PQ_query_param_timestamp (&now), 98 GNUNET_PQ_query_param_end 99 }; 100 struct GNUNET_PQ_ResultSpec rs[] = { 101 GNUNET_PQ_result_spec_allow_null ( 102 TALER_PQ_result_spec_json ("jnew_rules", 103 jrules), 104 NULL), 105 GNUNET_PQ_result_spec_end 106 }; 107 108 *jrules = NULL; 109 PREPARE (pg, 110 "get_kyc_rules2", 111 "SELECT" 112 " jnew_rules::TEXT" 113 " FROM legitimization_outcomes" 114 " WHERE h_payto=$1" 115 " AND expiration_time >= $2" 116 " AND is_active" 117 " ORDER BY expiration_time DESC" 118 " LIMIT 1;"); 119 return GNUNET_PQ_eval_prepared_singleton_select ( 120 pg->conn, 121 "get_kyc_rules2", 122 params, 123 rs); 124 }