aboutsummaryrefslogtreecommitdiff
path: root/src/auditordb/pg_select_pending_deposits.c
blob: a5d1c6ae8f83354435d9443e3e9bb286a4fc8e94 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
/*
   This file is part of TALER
   Copyright (C) 2023 Taler Systems SA

   TALER is free software; you can redistribute it and/or modify it under the
   terms of the GNU General Public License as published by the Free Software
   Foundation; either version 3, or (at your option) any later version.

   TALER is distributed in the hope that it will be useful, but WITHOUT ANY
   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

   You should have received a copy of the GNU General Public License along with
   TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
 */
/**
 * @file auditordb/pg_select_pending_deposits.c
 * @brief Implementation of the select_pending_deposits function for Postgres
 * @author Christian Grothoff
 */
#include "platform.h"
#include "taler_error_codes.h"
#include "taler_dbevents.h"
#include "taler_pq_lib.h"
#include "pg_select_pending_deposits.h"
#include "pg_helper.h"


/**
 * Closure for #wire_missing_cb().
 */
struct WireMissingContext
{

  /**
   * Function to call for each pending deposit.
   */
  TALER_AUDITORDB_WireMissingCallback cb;

  /**
   * Closure for @e cb
   */
  void *cb_cls;

  /**
   * Plugin context.
   */
  struct PostgresClosure *pg;

  /**
   * Query status to return.
   */
  enum GNUNET_DB_QueryStatus qs;
};


/**
 * Helper function for #TAH_PG_select_purse_expired().
 * To be called with the results of a SELECT statement
 * that has returned @a num_results results.
 *
 * @param cls closure of type `struct WireMissingContext *`
 * @param result the postgres result
 * @param num_results the number of results in @a result
 */
static void
wire_missing_cb (void *cls,
                 PGresult *result,
                 unsigned int num_results)
{
  struct WireMissingContext *eic = cls;
  struct PostgresClosure *pg = eic->pg;

  for (unsigned int i = 0; i < num_results; i++)
  {
    uint64_t batch_deposit_serial_id;
    struct TALER_Amount total_amount;
    struct TALER_PaytoHashP wire_target_h_payto;
    struct GNUNET_TIME_Timestamp deadline;
    struct GNUNET_PQ_ResultSpec rs[] = {
      GNUNET_PQ_result_spec_uint64 ("batch_deposit_serial_id",
                                    &batch_deposit_serial_id),
      TALER_PQ_RESULT_SPEC_AMOUNT ("total_amount",
                                   &total_amount),
      GNUNET_PQ_result_spec_auto_from_type ("wire_target_h_payto",
                                            &wire_target_h_payto),
      GNUNET_PQ_result_spec_timestamp ("deadline",
                                       &deadline),
      GNUNET_PQ_result_spec_end
    };

    if (GNUNET_OK !=
        GNUNET_PQ_extract_result (result,
                                  rs,
                                  i))
    {
      GNUNET_break (0);
      eic->qs = GNUNET_DB_STATUS_HARD_ERROR;
      return;
    }
    eic->cb (eic->cb_cls,
             batch_deposit_serial_id,
             &total_amount,
             &wire_target_h_payto,
             deadline);
  }
  eic->qs = num_results;
}


enum GNUNET_DB_QueryStatus
TAH_PG_select_pending_deposits (
  void *cls,
  const struct TALER_MasterPublicKeyP *master_pub,
  struct GNUNET_TIME_Absolute deadline,
  TALER_AUDITORDB_WireMissingCallback cb,
  void *cb_cls)
{
  struct PostgresClosure *pg = cls;
  struct GNUNET_PQ_QueryParam params[] = {
    GNUNET_PQ_query_param_auto_from_type (master_pub),
    GNUNET_PQ_query_param_absolute_time (&deadline),
    GNUNET_PQ_query_param_end
  };
  struct WireMissingContext eic = {
    .cb = cb,
    .cb_cls = cb_cls,
    .pg = pg
  };
  enum GNUNET_DB_QueryStatus qs;

  PREPARE (pg,
           "auditor_select_pending_deposits",
           "SELECT"
           " batch_deposit_serial_id"
           ",total_amount"
           ",wire_target_h_payto"
           ",deadline"
           " FROM auditor_pending_deposits"
           " WHERE master_pub=$1"
           " AND deadline<$2;");
  qs = GNUNET_PQ_eval_prepared_multi_select (
    pg->conn,
    "auditor_select_pending_deposits",
    params,
    &wire_missing_cb,
    &eic);
  if (0 > qs)
    return qs;
  GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != eic.qs);
  return eic.qs;
}