pg_get_kyc_rules.c (3999B)
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/pg_get_kyc_rules.c 18 * @brief Implementation of the get_kyc_rules function for Postgres 19 * @author Christian Grothoff 20 */ 21 #include "taler/platform.h" 22 #include "taler/taler_error_codes.h" 23 #include "taler/taler_dbevents.h" 24 #include "taler/taler_pq_lib.h" 25 #include "pg_get_kyc_rules.h" 26 #include "pg_helper.h" 27 28 29 enum GNUNET_DB_QueryStatus 30 TEH_PG_get_kyc_rules ( 31 void *cls, 32 const struct TALER_NormalizedPaytoHashP *h_payto, 33 const struct TALER_MerchantPublicKeyP *merchant_pub, 34 bool *no_account_pub, 35 union TALER_AccountPublicKeyP *account_pub, 36 bool *no_reserve_pub, 37 struct TALER_ReservePublicKeyP *reserve_pub, 38 json_t **jrules) 39 { 40 struct PostgresClosure *pg = cls; 41 struct GNUNET_TIME_Timestamp now 42 = GNUNET_TIME_timestamp_get (); 43 struct GNUNET_PQ_QueryParam params[] = { 44 GNUNET_PQ_query_param_auto_from_type (h_payto), 45 GNUNET_PQ_query_param_timestamp (&now), 46 NULL != merchant_pub 47 ? GNUNET_PQ_query_param_auto_from_type (merchant_pub) 48 : GNUNET_PQ_query_param_null (), 49 GNUNET_PQ_query_param_end 50 }; 51 struct GNUNET_PQ_ResultSpec rs[] = { 52 GNUNET_PQ_result_spec_allow_null ( 53 GNUNET_PQ_result_spec_auto_from_type ("target_pub", 54 account_pub), 55 no_account_pub), 56 GNUNET_PQ_result_spec_allow_null ( 57 GNUNET_PQ_result_spec_auto_from_type ("reserve_pub", 58 reserve_pub), 59 no_reserve_pub), 60 GNUNET_PQ_result_spec_allow_null ( 61 TALER_PQ_result_spec_json ("jnew_rules", 62 jrules), 63 NULL), 64 GNUNET_PQ_result_spec_end 65 }; 66 67 *jrules = NULL; 68 *no_account_pub = true; 69 *no_reserve_pub = true; 70 memset (account_pub, 71 0, 72 sizeof (*account_pub)); 73 memset (reserve_pub, 74 0, 75 sizeof (*reserve_pub)); 76 PREPARE (pg, 77 "get_kyc_rules", 78 "SELECT" 79 " out_target_pub AS target_pub" 80 " ,out_jnew_rules::TEXT AS jnew_rules" 81 " ,out_reserve_pub AS reserve_pub" 82 " FROM exchange_do_get_kyc_rules ($1,$2,$3);"); 83 return GNUNET_PQ_eval_prepared_singleton_select ( 84 pg->conn, 85 "get_kyc_rules", 86 params, 87 rs); 88 } 89 90 91 enum GNUNET_DB_QueryStatus 92 TEH_PG_get_kyc_rules2 ( 93 void *cls, 94 const struct TALER_NormalizedPaytoHashP *h_payto, 95 json_t **jrules) 96 { 97 struct PostgresClosure *pg = cls; 98 struct GNUNET_TIME_Timestamp now 99 = GNUNET_TIME_timestamp_get (); 100 struct GNUNET_PQ_QueryParam params[] = { 101 GNUNET_PQ_query_param_auto_from_type (h_payto), 102 GNUNET_PQ_query_param_timestamp (&now), 103 GNUNET_PQ_query_param_end 104 }; 105 struct GNUNET_PQ_ResultSpec rs[] = { 106 GNUNET_PQ_result_spec_allow_null ( 107 TALER_PQ_result_spec_json ("jnew_rules", 108 jrules), 109 NULL), 110 GNUNET_PQ_result_spec_end 111 }; 112 113 *jrules = NULL; 114 PREPARE (pg, 115 "get_kyc_rules2", 116 "SELECT" 117 " jnew_rules::TEXT" 118 " FROM legitimization_outcomes" 119 " WHERE h_payto=$1" 120 " AND expiration_time >= $2" 121 " AND is_active" 122 " ORDER BY expiration_time DESC" 123 " LIMIT 1;"); 124 return GNUNET_PQ_eval_prepared_singleton_select ( 125 pg->conn, 126 "get_kyc_rules2", 127 params, 128 rs); 129 }