Line data    Source code

       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          144 : 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          144 :     = GNUNET_TIME_timestamp_get ();
      39          144 :   struct GNUNET_PQ_QueryParam params[] = {
      40          144 :     GNUNET_PQ_query_param_auto_from_type (h_payto),
      41          144 :     GNUNET_PQ_query_param_timestamp (&now),
      42              :     NULL != merchant_pub
      43           66 :     ? GNUNET_PQ_query_param_auto_from_type (merchant_pub)
      44          144 :     : GNUNET_PQ_query_param_null (),
      45              :     GNUNET_PQ_query_param_end
      46              :   };
      47          144 :   struct GNUNET_PQ_ResultSpec rs[] = {
      48          144 :     GNUNET_PQ_result_spec_allow_null (
      49              :       GNUNET_PQ_result_spec_auto_from_type ("target_pub",
      50              :                                             account_pub),
      51              :       no_account_pub),
      52          144 :     GNUNET_PQ_result_spec_allow_null (
      53              :       GNUNET_PQ_result_spec_auto_from_type ("reserve_pub",
      54              :                                             reserve_pub),
      55              :       no_reserve_pub),
      56          144 :     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          144 :   *jrules = NULL;
      64          144 :   *no_account_pub = true;
      65          144 :   *no_reserve_pub = true;
      66          144 :   memset (account_pub,
      67              :           0,
      68              :           sizeof (*account_pub));
      69          144 :   memset (reserve_pub,
      70              :           0,
      71              :           sizeof (*reserve_pub));
      72          144 :   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          144 :   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            0 : 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            0 :     = GNUNET_TIME_timestamp_get ();
      95            0 :   struct GNUNET_PQ_QueryParam params[] = {
      96            0 :     GNUNET_PQ_query_param_auto_from_type (h_payto),
      97            0 :     GNUNET_PQ_query_param_timestamp (&now),
      98              :     GNUNET_PQ_query_param_end
      99              :   };
     100            0 :   struct GNUNET_PQ_ResultSpec rs[] = {
     101            0 :     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            0 :   *jrules = NULL;
     109            0 :   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            0 :   return GNUNET_PQ_eval_prepared_singleton_select (
     120              :     pg->conn,
     121              :     "get_kyc_rules2",
     122              :     params,
     123              :     rs);
     124              : }