anastasis

Credential backup and recovery protocol and service
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anastasis-db_check_truth_upload_paid.c (2401B)

      1 /*
      2   This file is part of Anastasis
      3   Copyright (C) 2020-2022 Anastasis SARL
      4 
      5   Anastasis is free software; you can redistribute it and/or modify it under the
      6   terms of the GNU Affero General Public License as published by the Free Software
      7   Foundation; either version 3, or (at your option) any later version.
      8 
      9   Anastasis 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 Affero General Public License for more details.
     12 
     13   You should have received a copy of the GNU Affero General Public License along with
     14   Anastasis; see the file COPYING.GPL.  If not, see <http://www.gnu.org/licenses/>
     15 */
     16 /**
     17  * @file stasis/anastasis-db_check_truth_upload_paid.c
     18  * @brief Anastasis database: check truth upload paid
     19  * @author Christian Grothoff
     20  */
     21 #include "platform.h"
     22 #include "anastasis-db_pg.h"
     23 #include "anastasis/anastasis-database/check_truth_upload_paid.h"
     24 #include "anastasis/anastasis-database/transaction.h"
     25 #include "anastasis/anastasis-database/preflight.h"
     26 #include <taler/taler_pq_lib.h>
     27 
     28 
     29 /**
     30  * Inquire whether truth upload payment was made.
     31  *
     32  * @param uuid the truth's UUID
     33  * @param[out] paid_until set for how long this truth is paid for
     34  * @return transaction status
     35  */
     36 enum GNUNET_DB_QueryStatus
     37 ANASTASIS_DB_check_truth_upload_paid (
     38   const struct ANASTASIS_CRYPTO_TruthUUIDP *uuid,
     39   struct GNUNET_TIME_Timestamp *paid_until)
     40 {
     41   struct GNUNET_TIME_Timestamp now = GNUNET_TIME_timestamp_get ();
     42   struct GNUNET_PQ_QueryParam params[] = {
     43     GNUNET_PQ_query_param_auto_from_type (uuid),
     44     GNUNET_PQ_query_param_timestamp (&now),
     45     GNUNET_PQ_query_param_end
     46   };
     47   struct GNUNET_PQ_ResultSpec rs[] = {
     48     GNUNET_PQ_result_spec_timestamp ("expiration",
     49                                      paid_until),
     50     GNUNET_PQ_result_spec_end
     51   };
     52 
     53   PREPARE ("truth_payment_select",
     54            "SELECT"
     55            " expiration"
     56            " FROM anastasis_truth_payment"
     57            " WHERE truth_uuid=$1"
     58            "   AND expiration>$2;");
     59   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
     60                                                    "truth_payment_select",
     61                                                    params,
     62                                                    rs);
     63 }
     64 
     65 
     66 /* end of anastasis-db_check_truth_upload_paid.c */