Line data    Source code

       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 src/backenddb/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_pq_lib.h>
      23              : #include "merchant-database/insert_issued_token.h"
      24              : #include "helper.h"
      25              : 
      26              : 
      27              : enum GNUNET_DB_QueryStatus
      28            8 : TALER_MERCHANTDB_insert_issued_token (
      29              :   struct TALER_MERCHANTDB_PostgresContext *pg,
      30              :   const struct TALER_PrivateContractHashP *h_contract_terms,
      31              :   const struct TALER_TokenIssuePublicKeyHashP *h_issue_pub,
      32              :   const struct TALER_BlindedTokenIssueSignature *blind_sig,
      33              :   bool *no_family)
      34              : {
      35            8 :   struct GNUNET_PQ_QueryParam params[] = {
      36            8 :     GNUNET_PQ_query_param_auto_from_type (h_issue_pub),
      37            8 :     GNUNET_PQ_query_param_auto_from_type (h_contract_terms),
      38            8 :     GNUNET_PQ_query_param_blinded_sig (blind_sig->signature),
      39              :     GNUNET_PQ_query_param_end
      40              :   };
      41            8 :   bool no_fam = false;
      42            8 :   bool existed = false;
      43            8 :   struct GNUNET_PQ_ResultSpec rs[] = {
      44            8 :     GNUNET_PQ_result_spec_bool ("out_no_family",
      45              :                                 &no_fam),
      46            8 :     GNUNET_PQ_result_spec_bool ("out_existed",
      47              :                                 &existed),
      48              :     GNUNET_PQ_result_spec_end
      49              :   };
      50              :   enum GNUNET_DB_QueryStatus qs;
      51              : 
      52            8 :   GNUNET_assert (NULL != pg->current_merchant_id);
      53            8 :   TMH_PQ_prepare_anon (pg,
      54              :                        "SELECT"
      55              :                        "  out_no_family"
      56              :                        " ,out_existed"
      57              :                        "  FROM merchant_do_insert_issued_token"
      58              :                        " ($1, $2, $3);");
      59            8 :   qs = GNUNET_PQ_eval_prepared_singleton_select (
      60              :     pg->conn,
      61              :     "",
      62              :     params,
      63              :     rs);
      64            8 :   *no_family = false;
      65            8 :   if (qs <= 0)
      66            0 :     return qs;
      67            8 :   if (no_fam)
      68              :   {
      69              :     /* The token family (key) was deleted after the order was created;
      70              :        this is a client-visible conflict, not an internal failure. */
      71            1 :     *no_family = true;
      72            1 :     return GNUNET_DB_STATUS_SUCCESS_NO_RESULTS;
      73              :   }
      74            7 :   if (existed)
      75            1 :     return GNUNET_DB_STATUS_SUCCESS_NO_RESULTS;
      76            6 :   return qs;
      77              : }