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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 (3140B)

      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/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_lookup_kyc_process_by_account.h"
     26 #include "pg_helper.h"
     27 
     28 
     29 enum GNUNET_DB_QueryStatus
     30 TEH_PG_lookup_kyc_process_by_account (
     31   void *cls,
     32   const char *provider_name,
     33   const struct TALER_NormalizedPaytoHashP *h_payto,
     34   uint64_t *process_row,
     35   struct GNUNET_TIME_Absolute *expiration,
     36   char **provider_account_id,
     37   char **provider_legitimization_id,
     38   bool *is_wallet)
     39 {
     40   struct PostgresClosure *pg = cls;
     41   struct GNUNET_PQ_QueryParam params[] = {
     42     GNUNET_PQ_query_param_auto_from_type (h_payto),
     43     GNUNET_PQ_query_param_string (provider_name),
     44     GNUNET_PQ_query_param_end
     45   };
     46   struct GNUNET_PQ_ResultSpec rs[] = {
     47     GNUNET_PQ_result_spec_uint64 (
     48       "legitimization_process_serial_id",
     49       process_row),
     50     GNUNET_PQ_result_spec_absolute_time (
     51       "expiration_time",
     52       expiration),
     53     GNUNET_PQ_result_spec_allow_null (
     54       GNUNET_PQ_result_spec_string (
     55         "provider_user_id",
     56         provider_account_id),
     57       NULL),
     58     GNUNET_PQ_result_spec_allow_null (
     59       GNUNET_PQ_result_spec_string (
     60         "provider_legitimization_id",
     61         provider_legitimization_id),
     62       NULL),
     63     GNUNET_PQ_result_spec_bool (
     64       "is_wallet",
     65       is_wallet),
     66     GNUNET_PQ_result_spec_end
     67   };
     68 
     69   *provider_account_id = NULL;
     70   *provider_legitimization_id = NULL;
     71   PREPARE (pg,
     72            "lookup_kyc_process_by_account",
     73            "SELECT "
     74            " lp.legitimization_process_serial_id"
     75            ",lp.expiration_time"
     76            ",lp.provider_user_id"
     77            ",lp.provider_legitimization_id"
     78            ",kt.is_wallet"
     79            " FROM legitimization_processes lp"
     80            " JOIN kyc_targets kt"
     81            "   ON (lp.h_payto = kt.h_normalized_payto)"
     82            " WHERE h_payto=$1"
     83            "   AND provider_name=$2"
     84            "   AND NOT finished"
     85            /* Note: there *should* only be one unfinished
     86               match, so this is just to be safe(r): */
     87            " ORDER BY lp.expiration_time DESC"
     88            " LIMIT 1;");
     89   return GNUNET_PQ_eval_prepared_singleton_select (
     90     pg->conn,
     91     "lookup_kyc_process_by_account",
     92     params,
     93     rs);
     94 }