anastasis

Credential backup and recovery protocol and service
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do_update_account_lifetime.c (3798B)


      1 /*
      2   This file is part of Anastasis
      3   Copyright (C) 2020-2026 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/do_update_account_lifetime.c
     18  * @brief Anastasis database: do update account lifetime
     19  * @author Christian Grothoff
     20  */
     21 #include "platform.h"
     22 #include "anastasis-db_pg.h"
     23 #include "anastasis/anastasis-database/do_update_account_lifetime.h"
     24 #include "anastasis/anastasis-database/preflight.h"
     25 #include <taler/taler_pq_lib.h>
     26 
     27 
     28 enum GNUNET_DB_QueryStatus
     29 ANASTASIS_DB_do_update_account_lifetime (
     30   const struct ANASTASIS_CRYPTO_AccountPublicKeyP *account_pub,
     31   const struct ANASTASIS_PaymentSecretP *payment_identifier,
     32   struct GNUNET_TIME_Timestamp min_expiration,
     33   struct GNUNET_TIME_Relative lifetime,
     34   struct GNUNET_TIME_Timestamp *paid_until)
     35 {
     36   struct GNUNET_PQ_QueryParam params[] = {
     37     GNUNET_PQ_query_param_auto_from_type (account_pub),
     38     GNUNET_PQ_query_param_auto_from_type (payment_identifier),
     39     GNUNET_PQ_query_param_timestamp (&min_expiration),
     40     GNUNET_PQ_query_param_relative_time (&lifetime),
     41     GNUNET_PQ_query_param_end
     42   };
     43   bool payment_credited;
     44   struct GNUNET_PQ_ResultSpec rs[] = {
     45     GNUNET_PQ_result_spec_bool ("payment_credited",
     46                                 &payment_credited),
     47     GNUNET_PQ_result_spec_timestamp ("paid_until",
     48                                      paid_until),
     49     GNUNET_PQ_result_spec_end
     50   };
     51   enum GNUNET_DB_QueryStatus qs;
     52 
     53   /* Expiration dates are whole seconds; make sure adding the increment
     54      cannot break that (GNUNET_PQ_result_spec_timestamp() insists on it). */
     55   if (! GNUNET_TIME_relative_is_forever (lifetime))
     56     lifetime.rel_value_us
     57       -= lifetime.rel_value_us % GNUNET_TIME_UNIT_SECONDS.rel_value_us;
     58   *paid_until = GNUNET_TIME_UNIT_ZERO_TS;
     59   GNUNET_break (GNUNET_OK ==
     60                 ANASTASIS_DB_preflight ());
     61   PREPARE ("do_update_account_lifetime",
     62            "SELECT"
     63            " out_payment_credited AS payment_credited"
     64            ",out_paid_until AS paid_until"
     65            " FROM anastasis_do_update_account_lifetime"
     66            " ($1, $2, $3, $4);");
     67   qs = GNUNET_PQ_eval_prepared_singleton_select (
     68     pg->conn,
     69     "do_update_account_lifetime",
     70     params,
     71     rs);
     72   if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != qs)
     73   {
     74     /* The stored procedure always returns exactly one row, so anything
     75        else is a real database failure. */
     76     GNUNET_break (qs < 0);
     77     *paid_until = GNUNET_TIME_UNIT_ZERO_TS;
     78     return (qs < 0)
     79            ? qs
     80            : GNUNET_DB_STATUS_HARD_ERROR;
     81   }
     82   if (! payment_credited)
     83   {
     84     GNUNET_log (GNUNET_ERROR_TYPE_INFO,
     85                 "Payment existed, lifetime of account %s unchanged at %s\n",
     86                 TALER_B2S (account_pub),
     87                 GNUNET_TIME_timestamp2s (*paid_until));
     88     return GNUNET_DB_STATUS_SUCCESS_NO_RESULTS;
     89   }
     90   GNUNET_break (! GNUNET_TIME_absolute_is_never (paid_until->abs_time));
     91   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
     92               "Updated lifetime of account %s to %s\n",
     93               TALER_B2S (account_pub),
     94               GNUNET_TIME_timestamp2s (*paid_until));
     95   return GNUNET_DB_STATUS_SUCCESS_ONE_RESULT;
     96 }
     97 
     98 
     99 /* end of do_update_account_lifetime.c */