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 auditordb/pg_select_pending_deposits.c
18 : * @brief Implementation of the select_pending_deposits function for Postgres
19 : * @author Christian Grothoff
20 : */
21 : #include "taler/platform.h"
22 : #include "taler/taler_error_codes.h"
23 : #include "taler/taler_dbevents.h"
24 : #include "taler/taler_pq_lib.h"
25 : #include "pg_select_pending_deposits.h"
26 : #include "pg_helper.h"
27 :
28 :
29 : /**
30 : * Closure for #wire_missing_cb().
31 : */
32 : struct WireMissingContext
33 : {
34 :
35 : /**
36 : * Function to call for each pending deposit.
37 : */
38 : TALER_AUDITORDB_WireMissingCallback cb;
39 :
40 : /**
41 : * Closure for @e cb
42 : */
43 : void *cb_cls;
44 :
45 : /**
46 : * Plugin context.
47 : */
48 : struct PostgresClosure *pg;
49 :
50 : /**
51 : * Query status to return.
52 : */
53 : enum GNUNET_DB_QueryStatus qs;
54 : };
55 :
56 :
57 : /**
58 : * Helper function for #TAH_PG_select_purse_expired().
59 : * To be called with the results of a SELECT statement
60 : * that has returned @a num_results results.
61 : *
62 : * @param cls closure of type `struct WireMissingContext *`
63 : * @param result the postgres result
64 : * @param num_results the number of results in @a result
65 : */
66 : static void
67 0 : wire_missing_cb (void *cls,
68 : PGresult *result,
69 : unsigned int num_results)
70 : {
71 0 : struct WireMissingContext *eic = cls;
72 0 : struct PostgresClosure *pg = eic->pg;
73 :
74 0 : for (unsigned int i = 0; i < num_results; i++)
75 : {
76 : uint64_t row_id;
77 : uint64_t batch_deposit_serial_id;
78 : struct TALER_Amount total_amount;
79 : struct TALER_FullPaytoHashP wire_target_h_payto;
80 : struct GNUNET_TIME_Timestamp deadline;
81 : bool suppressed;
82 0 : struct GNUNET_PQ_ResultSpec rs[] = {
83 0 : GNUNET_PQ_result_spec_uint64 ("row_id",
84 : &row_id),
85 0 : GNUNET_PQ_result_spec_uint64 ("batch_deposit_serial_id",
86 : &batch_deposit_serial_id),
87 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("total_amount",
88 : &total_amount),
89 0 : GNUNET_PQ_result_spec_auto_from_type ("wire_target_h_payto",
90 : &wire_target_h_payto),
91 0 : GNUNET_PQ_result_spec_timestamp ("deadline",
92 : &deadline),
93 0 : GNUNET_PQ_result_spec_bool ("suppressed",
94 : &suppressed),
95 : GNUNET_PQ_result_spec_end
96 : };
97 :
98 0 : if (GNUNET_OK !=
99 0 : GNUNET_PQ_extract_result (result,
100 : rs,
101 : i))
102 : {
103 0 : GNUNET_break (0);
104 0 : eic->qs = GNUNET_DB_STATUS_HARD_ERROR;
105 0 : return;
106 : }
107 0 : eic->cb (eic->cb_cls,
108 : row_id,
109 : batch_deposit_serial_id,
110 : &total_amount,
111 : &wire_target_h_payto,
112 : deadline,
113 : suppressed);
114 : }
115 0 : eic->qs = num_results;
116 : }
117 :
118 :
119 : enum GNUNET_DB_QueryStatus
120 0 : TAH_PG_select_pending_deposits (
121 : void *cls,
122 : struct GNUNET_TIME_Absolute deadline,
123 : int64_t limit,
124 : uint64_t offset,
125 : bool return_suppressed,
126 : TALER_AUDITORDB_WireMissingCallback cb,
127 : void *cb_cls)
128 : {
129 0 : struct PostgresClosure *pg = cls;
130 0 : uint64_t ulimit = (limit < 0) ? -limit : limit;
131 0 : struct GNUNET_PQ_QueryParam params[] = {
132 0 : GNUNET_PQ_query_param_absolute_time (&deadline),
133 0 : GNUNET_PQ_query_param_uint64 (&offset),
134 0 : GNUNET_PQ_query_param_uint64 (&ulimit),
135 0 : GNUNET_PQ_query_param_bool (return_suppressed),
136 : GNUNET_PQ_query_param_end
137 : };
138 0 : struct WireMissingContext eic = {
139 : .cb = cb,
140 : .cb_cls = cb_cls,
141 : .pg = pg
142 : };
143 : enum GNUNET_DB_QueryStatus qs;
144 :
145 0 : PREPARE (pg,
146 : "auditor_select_pending_deposits_asc",
147 : "SELECT"
148 : " row_id"
149 : ",total_amount"
150 : ",wire_target_h_payto"
151 : ",batch_deposit_serial_id"
152 : ",deadline"
153 : ",suppressed"
154 : " FROM auditor_pending_deposits"
155 : " WHERE deadline<$1"
156 : " AND (row_id > $2)"
157 : " AND ($4 OR NOT suppressed)"
158 : " ORDER BY row_id ASC"
159 : " LIMIT $3;");
160 0 : PREPARE (pg,
161 : "auditor_select_pending_deposits_desc",
162 : "SELECT"
163 : " row_id"
164 : ",total_amount"
165 : ",wire_target_h_payto"
166 : ",batch_deposit_serial_id"
167 : ",deadline"
168 : ",suppressed"
169 : " FROM auditor_pending_deposits"
170 : " WHERE deadline<$1"
171 : " AND (row_id < $2)"
172 : " AND ($4 OR NOT suppressed)"
173 : " ORDER BY row_id DESC"
174 : " LIMIT $3;");
175 0 : qs = GNUNET_PQ_eval_prepared_multi_select (
176 : pg->conn,
177 : "auditor_select_pending_deposits",
178 : params,
179 : &wire_missing_cb,
180 : &eic);
181 0 : if (0 > qs)
182 0 : return qs;
183 0 : GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != eic.qs);
184 0 : return eic.qs;
185 : }
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