exchange

Base system with REST service to issue digital coins, run by the payment service provider
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pg_lookup_kyc_process_by_account.c (3067B)


      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_lookup_kyc_process_by_account.c
     18  * @brief Implementation of the lookup_kyc_process_by_account function for Postgres
     19  * @author Christian Grothoff
     20  */
     21 #include "taler/taler_pq_lib.h"
     22 #include "taler/exchange-database/lookup_kyc_process_by_account.h"
     23 #include "helper.h"
     24 
     25 
     26 enum GNUNET_DB_QueryStatus
     27 TALER_EXCHANGEDB_lookup_kyc_process_by_account (
     28   struct TALER_EXCHANGEDB_PostgresContext *pg,
     29   const char *provider_name,
     30   const struct TALER_NormalizedPaytoHashP *h_payto,
     31   uint64_t *process_row,
     32   struct GNUNET_TIME_Absolute *expiration,
     33   char **provider_account_id,
     34   char **provider_legitimization_id,
     35   bool *is_wallet)
     36 {
     37   struct GNUNET_PQ_QueryParam params[] = {
     38     GNUNET_PQ_query_param_auto_from_type (h_payto),
     39     GNUNET_PQ_query_param_string (provider_name),
     40     GNUNET_PQ_query_param_end
     41   };
     42   struct GNUNET_PQ_ResultSpec rs[] = {
     43     GNUNET_PQ_result_spec_uint64 (
     44       "legitimization_process_serial_id",
     45       process_row),
     46     GNUNET_PQ_result_spec_absolute_time (
     47       "expiration_time",
     48       expiration),
     49     GNUNET_PQ_result_spec_allow_null (
     50       GNUNET_PQ_result_spec_string (
     51         "provider_user_id",
     52         provider_account_id),
     53       NULL),
     54     GNUNET_PQ_result_spec_allow_null (
     55       GNUNET_PQ_result_spec_string (
     56         "provider_legitimization_id",
     57         provider_legitimization_id),
     58       NULL),
     59     GNUNET_PQ_result_spec_bool (
     60       "is_wallet",
     61       is_wallet),
     62     GNUNET_PQ_result_spec_end
     63   };
     64 
     65   *provider_account_id = NULL;
     66   *provider_legitimization_id = NULL;
     67   PREPARE (pg,
     68            "lookup_kyc_process_by_account",
     69            "SELECT "
     70            " lp.legitimization_process_serial_id"
     71            ",lp.expiration_time"
     72            ",lp.provider_user_id"
     73            ",lp.provider_legitimization_id"
     74            ",kt.is_wallet"
     75            " FROM legitimization_processes lp"
     76            " JOIN kyc_targets kt"
     77            "   ON (lp.h_payto = kt.h_normalized_payto)"
     78            " WHERE h_payto=$1"
     79            "   AND provider_name=$2"
     80            "   AND NOT finished"
     81            /* Note: there *should* only be one unfinished
     82               match, so this is just to be safe(r): */
     83            " ORDER BY lp.expiration_time DESC"
     84            " LIMIT 1;");
     85   return GNUNET_PQ_eval_prepared_singleton_select (
     86     pg->conn,
     87     "lookup_kyc_process_by_account",
     88     params,
     89     rs);
     90 }