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/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          144 : 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          144 :   struct PostgresClosure *pg = cls;
      41              :   struct GNUNET_TIME_Timestamp now
      42          144 :     = GNUNET_TIME_timestamp_get ();
      43          144 :   struct GNUNET_PQ_QueryParam params[] = {
      44          144 :     GNUNET_PQ_query_param_auto_from_type (h_payto),
      45          144 :     GNUNET_PQ_query_param_timestamp (&now),
      46              :     NULL != merchant_pub
      47           66 :     ? GNUNET_PQ_query_param_auto_from_type (merchant_pub)
      48          144 :     : GNUNET_PQ_query_param_null (),
      49              :     GNUNET_PQ_query_param_end
      50              :   };
      51          144 :   struct GNUNET_PQ_ResultSpec rs[] = {
      52          144 :     GNUNET_PQ_result_spec_allow_null (
      53              :       GNUNET_PQ_result_spec_auto_from_type ("target_pub",
      54              :                                             account_pub),
      55              :       no_account_pub),
      56          144 :     GNUNET_PQ_result_spec_allow_null (
      57              :       GNUNET_PQ_result_spec_auto_from_type ("reserve_pub",
      58              :                                             reserve_pub),
      59              :       no_reserve_pub),
      60          144 :     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          144 :   *jrules = NULL;
      68          144 :   *no_account_pub = true;
      69          144 :   *no_reserve_pub = true;
      70          144 :   memset (account_pub,
      71              :           0,
      72              :           sizeof (*account_pub));
      73          144 :   memset (reserve_pub,
      74              :           0,
      75              :           sizeof (*reserve_pub));
      76          144 :   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          144 :   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            0 : TEH_PG_get_kyc_rules2 (
      93              :   void *cls,
      94              :   const struct TALER_NormalizedPaytoHashP *h_payto,
      95              :   json_t **jrules)
      96              : {
      97            0 :   struct PostgresClosure *pg = cls;
      98              :   struct GNUNET_TIME_Timestamp now
      99            0 :     = GNUNET_TIME_timestamp_get ();
     100            0 :   struct GNUNET_PQ_QueryParam params[] = {
     101            0 :     GNUNET_PQ_query_param_auto_from_type (h_payto),
     102            0 :     GNUNET_PQ_query_param_timestamp (&now),
     103              :     GNUNET_PQ_query_param_end
     104              :   };
     105            0 :   struct GNUNET_PQ_ResultSpec rs[] = {
     106            0 :     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            0 :   *jrules = NULL;
     114            0 :   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            0 :   return GNUNET_PQ_eval_prepared_singleton_select (
     125              :     pg->conn,
     126              :     "get_kyc_rules2",
     127              :     params,
     128              :     rs);
     129              : }