Line data Source code
1 : /*
2 : This file is part of TALER
3 : Copyright (C) 2023 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/auditordb/select_pending_deposits.c
18 : * @brief Implementation of the select_pending_deposits function for Postgres
19 : * @author Christian Grothoff
20 : */
21 : #include "taler/taler_pq_lib.h"
22 : #include "auditor-database/select_pending_deposits.h"
23 : #include "pg_helper.h"
24 :
25 :
26 : /**
27 : * Closure for #wire_missing_cb().
28 : */
29 : struct WireMissingContext
30 : {
31 :
32 : /**
33 : * Function to call for each pending deposit.
34 : */
35 : TALER_AUDITORDB_WireMissingCallback cb;
36 :
37 : /**
38 : * Closure for @e cb
39 : */
40 : void *cb_cls;
41 :
42 : /**
43 : * Plugin context.
44 : */
45 : struct TALER_AUDITORDB_PostgresContext *pg;
46 :
47 : /**
48 : * Query status to return.
49 : */
50 : enum GNUNET_DB_QueryStatus qs;
51 : };
52 :
53 :
54 : /**
55 : * Helper function for #TALER_AUDITORDB_select_purse_expired().
56 : * To be called with the results of a SELECT statement
57 : * that has returned @a num_results results.
58 : *
59 : * @param cls closure of type `struct WireMissingContext *`
60 : * @param result the postgres result
61 : * @param num_results the number of results in @a result
62 : */
63 : static void
64 0 : wire_missing_cb (void *cls,
65 : PGresult *result,
66 : unsigned int num_results)
67 : {
68 0 : struct WireMissingContext *eic = cls;
69 0 : struct TALER_AUDITORDB_PostgresContext *pg = eic->pg;
70 :
71 0 : for (unsigned int i = 0; i < num_results; i++)
72 : {
73 : uint64_t row_id;
74 : uint64_t batch_deposit_serial_id;
75 : struct TALER_Amount total_amount;
76 : struct TALER_FullPaytoHashP wire_target_h_payto;
77 : struct GNUNET_TIME_Timestamp deadline;
78 : bool suppressed;
79 0 : struct GNUNET_PQ_ResultSpec rs[] = {
80 0 : GNUNET_PQ_result_spec_uint64 ("row_id",
81 : &row_id),
82 0 : GNUNET_PQ_result_spec_uint64 ("batch_deposit_serial_id",
83 : &batch_deposit_serial_id),
84 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("total_amount",
85 : &total_amount),
86 0 : GNUNET_PQ_result_spec_auto_from_type ("wire_target_h_payto",
87 : &wire_target_h_payto),
88 0 : GNUNET_PQ_result_spec_timestamp ("deadline",
89 : &deadline),
90 0 : GNUNET_PQ_result_spec_bool ("suppressed",
91 : &suppressed),
92 : GNUNET_PQ_result_spec_end
93 : };
94 :
95 0 : if (GNUNET_OK !=
96 0 : GNUNET_PQ_extract_result (result,
97 : rs,
98 : i))
99 : {
100 0 : GNUNET_break (0);
101 0 : eic->qs = GNUNET_DB_STATUS_HARD_ERROR;
102 0 : return;
103 : }
104 0 : eic->cb (eic->cb_cls,
105 : row_id,
106 : batch_deposit_serial_id,
107 : &total_amount,
108 : &wire_target_h_payto,
109 : deadline,
110 : suppressed);
111 : }
112 0 : eic->qs = num_results;
113 : }
114 :
115 :
116 : enum GNUNET_DB_QueryStatus
117 0 : TALER_AUDITORDB_select_pending_deposits (struct
118 : TALER_AUDITORDB_PostgresContext *pg,
119 : struct GNUNET_TIME_Absolute deadline,
120 : int64_t limit,
121 : uint64_t offset,
122 : bool return_suppressed,
123 : TALER_AUDITORDB_WireMissingCallback cb,
124 : void *cb_cls)
125 : {
126 0 : uint64_t ulimit = (limit < 0) ? -limit : limit;
127 0 : struct GNUNET_PQ_QueryParam params[] = {
128 0 : GNUNET_PQ_query_param_absolute_time (&deadline),
129 0 : GNUNET_PQ_query_param_uint64 (&offset),
130 0 : GNUNET_PQ_query_param_uint64 (&ulimit),
131 0 : GNUNET_PQ_query_param_bool (return_suppressed),
132 : GNUNET_PQ_query_param_end
133 : };
134 0 : struct WireMissingContext eic = {
135 : .cb = cb,
136 : .cb_cls = cb_cls,
137 : .pg = pg
138 : };
139 : enum GNUNET_DB_QueryStatus qs;
140 :
141 0 : PREPARE (pg,
142 : "auditor_select_pending_deposits_asc",
143 : "SELECT"
144 : " row_id"
145 : ",total_amount"
146 : ",wire_target_h_payto"
147 : ",batch_deposit_serial_id"
148 : ",deadline"
149 : ",suppressed"
150 : " FROM auditor_pending_deposits"
151 : " WHERE deadline<$1"
152 : " AND (row_id > $2)"
153 : " AND ($4 OR NOT suppressed)"
154 : " ORDER BY row_id ASC"
155 : " LIMIT $3;");
156 0 : PREPARE (pg,
157 : "auditor_select_pending_deposits_desc",
158 : "SELECT"
159 : " row_id"
160 : ",total_amount"
161 : ",wire_target_h_payto"
162 : ",batch_deposit_serial_id"
163 : ",deadline"
164 : ",suppressed"
165 : " FROM auditor_pending_deposits"
166 : " WHERE deadline<$1"
167 : " AND (row_id < $2)"
168 : " AND ($4 OR NOT suppressed)"
169 : " ORDER BY row_id DESC"
170 : " LIMIT $3;");
171 0 : qs = GNUNET_PQ_eval_prepared_multi_select (
172 : pg->conn,
173 : "auditor_select_pending_deposits",
174 : params,
175 : &wire_missing_cb,
176 : &eic);
177 0 : if (0 > qs)
178 0 : return qs;
179 0 : GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != eic.qs);
180 0 : return eic.qs;
181 : }
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