merchant

Merchant backend to process payments, run by merchants
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pg_insert_issued_token.c (2607B)

      1 /*
      2    This file is part of TALER
      3    Copyright (C) 2024, 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 backenddb/pg_insert_issued_token.c
     18  * @brief Implementation of the insert_issued_token function for Postgres
     19  * @author Christian Grothoff
     20  */
     21 #include "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_insert_issued_token.h"
     26 #include "pg_helper.h"
     27 
     28 enum GNUNET_DB_QueryStatus
     29 TMH_PG_insert_issued_token (void *cls,
     30                             const struct TALER_PrivateContractHashP *
     31                             h_contract_terms,
     32                             const struct TALER_TokenIssuePublicKeyHashP *
     33                             h_issue_pub,
     34                             const struct TALER_BlindedTokenIssueSignature *
     35                             blind_sig)
     36 {
     37   struct PostgresClosure *pg = cls;
     38   struct GNUNET_PQ_QueryParam params[] = {
     39     GNUNET_PQ_query_param_auto_from_type (h_issue_pub),
     40     GNUNET_PQ_query_param_auto_from_type (h_contract_terms),
     41     GNUNET_PQ_query_param_blinded_sig (blind_sig->signature),
     42     GNUNET_PQ_query_param_end
     43   };
     44   bool no_fam;
     45   bool existed;
     46   struct GNUNET_PQ_ResultSpec rs[] = {
     47     GNUNET_PQ_result_spec_bool ("out_no_family",
     48                                 &no_fam),
     49     GNUNET_PQ_result_spec_bool ("out_existed",
     50                                 &existed),
     51     GNUNET_PQ_result_spec_end
     52   };
     53   enum GNUNET_DB_QueryStatus qs;
     54 
     55   check_connection (pg);
     56   PREPARE (pg,
     57            "issued_token_insert",
     58            "SELECT"
     59            "  out_no_family"
     60            " ,out_existed"
     61            "  FROM merchant_do_insert_issued_token"
     62            " ($1, $2, $3);");
     63   qs = GNUNET_PQ_eval_prepared_singleton_select (
     64     pg->conn,
     65     "issued_token_insert",
     66     params,
     67     rs);
     68   if (qs < 0)
     69     return qs;
     70   if (no_fam)
     71   {
     72     GNUNET_break (0);
     73     return GNUNET_DB_STATUS_HARD_ERROR;
     74   }
     75   if (existed)
     76     return GNUNET_DB_STATUS_SUCCESS_NO_RESULTS;
     77   return qs;
     78 }