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Base system with REST service to issue digital coins, run by the payment service provider
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get_denomination_key_validity_withdraw_inconsistency.c (5331B)


      1 /*
      2    This file is part of TALER
      3    Copyright (C) 2024 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 #include "taler/taler_pq_lib.h"
     17 #include "pg_helper.h"
     18 #include \
     19   "auditor-database/get_denomination_key_validity_withdraw_inconsistency.h"
     20 
     21 
     22 /**
     23  * Closure for #denomination_key_validity_withdraw_inconsistency_cb().
     24  */
     25 struct DenominationKeyValidityWithdrawInconsistencyContext
     26 {
     27 
     28   /**
     29    * Function to call for each denomination key validity...
     30    */
     31   TALER_AUDITORDB_DenominationKeyValidityWithdrawInconsistencyCallback cb;
     32 
     33   /**
     34    * Closure for @e cb
     35    */
     36   void *cb_cls;
     37 
     38   /**
     39    * Plugin context.
     40    */
     41   struct TALER_AUDITORDB_PostgresContext *pg;
     42 
     43   /**
     44    * Query status to return.
     45    */
     46   enum GNUNET_DB_QueryStatus qs;
     47 };
     48 
     49 
     50 /**
     51  * Helper function for #TALER_AUDITORDB_get_deposit_confirmations().
     52  * To be called with the results of a SELECT statement
     53  * that has returned @a num_results results.
     54  *
     55  * @param cls closure of type `struct DepositConfirmationContext *`
     56  * @param result the postgres result
     57  * @param num_results the number of results in @a result
     58  */
     59 static void
     60 denomination_key_validity_withdraw_inconsistency_cb (
     61   void *cls,
     62   PGresult *result,
     63   unsigned int num_results)
     64 {
     65   struct DenominationKeyValidityWithdrawInconsistencyContext *dcc = cls;
     66 
     67   for (unsigned int i = 0; i < num_results; i++)
     68   {
     69     struct TALER_AUDITORDB_DenominationKeyValidityWithdrawInconsistency dc;
     70     struct GNUNET_PQ_ResultSpec rs[] = {
     71       GNUNET_PQ_result_spec_uint64 ("row_id",
     72                                     &dc.row_id),
     73       GNUNET_PQ_result_spec_uint64 ("problem_row_id",
     74                                     &dc.problem_row_id),
     75       GNUNET_PQ_result_spec_absolute_time ("execution_date",
     76                                            &dc.execution_date),
     77       GNUNET_PQ_result_spec_auto_from_type ("reserve_pub",
     78                                             &dc.reserve_pub),
     79       GNUNET_PQ_result_spec_auto_from_type ("denompub_h",
     80                                             &dc.denompub_h),
     81       GNUNET_PQ_result_spec_bool ("suppressed",
     82                                   &dc.suppressed),
     83       GNUNET_PQ_result_spec_end
     84     };
     85     enum GNUNET_GenericReturnValue rval;
     86 
     87     if (GNUNET_OK !=
     88         GNUNET_PQ_extract_result (result,
     89                                   rs,
     90                                   i))
     91     {
     92       GNUNET_break (0);
     93       dcc->qs = GNUNET_DB_STATUS_HARD_ERROR;
     94       return;
     95     }
     96     dcc->qs = i + 1;
     97     rval = dcc->cb (dcc->cb_cls,
     98                     &dc);
     99     GNUNET_PQ_cleanup_result (rs);
    100     if (GNUNET_OK != rval)
    101       break;
    102   }
    103 }
    104 
    105 
    106 enum GNUNET_DB_QueryStatus
    107 TALER_AUDITORDB_get_denomination_key_validity_withdraw_inconsistency (
    108   struct TALER_AUDITORDB_PostgresContext *pg,
    109   int64_t limit,
    110   uint64_t offset,
    111   bool return_suppressed,
    112   TALER_AUDITORDB_DenominationKeyValidityWithdrawInconsistencyCallback cb,
    113   void *cb_cls)
    114 {
    115   uint64_t plimit = (uint64_t) ((limit < 0) ? -limit : limit);
    116   struct GNUNET_PQ_QueryParam params[] = {
    117     GNUNET_PQ_query_param_uint64 (&offset),
    118     GNUNET_PQ_query_param_bool (return_suppressed),
    119     GNUNET_PQ_query_param_uint64 (&plimit),
    120     GNUNET_PQ_query_param_end
    121   };
    122   struct DenominationKeyValidityWithdrawInconsistencyContext dcc = {
    123     .cb = cb,
    124     .cb_cls = cb_cls,
    125     .pg = pg
    126   };
    127   enum GNUNET_DB_QueryStatus qs;
    128 
    129   PREPARE (pg,
    130            "auditor_denomination_key_validity_withdraw_inconsistency_get_desc",
    131            "SELECT"
    132            " row_id"
    133            ",problem_row_id"
    134            ",execution_date"
    135            ",reserve_pub"
    136            ",denompub_h"
    137            ",suppressed"
    138            " FROM auditor_denomination_key_validity_withdraw_inconsistency"
    139            " WHERE (row_id < $1)"
    140            " AND ($2 OR NOT suppressed)"
    141            " ORDER BY row_id DESC"
    142            " LIMIT $3"
    143            );
    144   PREPARE (pg,
    145            "auditor_denomination_key_validity_withdraw_inconsistency_get_asc",
    146            "SELECT"
    147            " row_id"
    148            ",problem_row_id"
    149            ",execution_date"
    150            ",reserve_pub"
    151            ",denompub_h"
    152            ",suppressed"
    153            " FROM auditor_denomination_key_validity_withdraw_inconsistency"
    154            " WHERE (row_id > $1)"
    155            " AND ($2 OR NOT suppressed)"
    156            " ORDER BY row_id ASC"
    157            " LIMIT $3"
    158            );
    159   qs = GNUNET_PQ_eval_prepared_multi_select (
    160     pg->conn,
    161     (limit > 0)
    162     ? "auditor_denomination_key_validity_withdraw_inconsistency_get_asc"
    163     : "auditor_denomination_key_validity_withdraw_inconsistency_get_desc",
    164     params,
    165     &denomination_key_validity_withdraw_inconsistency_cb,
    166     &dcc);
    167   if (qs > 0)
    168     return dcc.qs;
    169   GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != qs);
    170   return qs;
    171 }