Line data Source code
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_error_codes.h"
17 : #include "taler/taler_dbevents.h"
18 : #include "taler/taler_pq_lib.h"
19 : #include "pg_helper.h"
20 : #include "auditor-database/iterate_reserve_in_inconsistencies.h"
21 :
22 :
23 : /**
24 : * Hard upper bound on the number of records returned by a single
25 : * call, regardless of the limit requested by the client.
26 : */
27 : #define MAX_RECORDS 50000
28 :
29 :
30 : struct ReserveInInconsistencyContext
31 : {
32 :
33 : /**
34 : * Function to call for each bad sig loss.
35 : */
36 : TALER_AUDITORDB_ReserveInInconsistencyCallback cb;
37 :
38 : /**
39 : * Closure for @e cb
40 : */
41 : void *cb_cls;
42 :
43 : /**
44 : * Plugin context.
45 : */
46 : struct TALER_AUDITORDB_PostgresContext *pg;
47 :
48 : /**
49 : * Query status to return.
50 : */
51 : enum GNUNET_DB_QueryStatus qs;
52 : };
53 :
54 :
55 : /**
56 : * Helper function for #TALER_AUDITORDB_iterate_reserve_in_inconsistencies().
57 : * To be called with the results of a SELECT statement
58 : * that has returned @a num_results results.
59 : *
60 : * @param cls closure of type `struct ReserveInInconsistencyContext *`
61 : * @param result the postgres result
62 : * @param num_results the number of results in @a result
63 : */
64 : static void
65 0 : reserve_in_inconsistency_cb (void *cls,
66 : PGresult *result,
67 : unsigned int num_results)
68 : {
69 0 : struct ReserveInInconsistencyContext *dcc = cls;
70 0 : struct TALER_AUDITORDB_PostgresContext *pg = dcc->pg;
71 :
72 0 : for (unsigned int i = 0; i < num_results; i++)
73 : {
74 : struct TALER_AUDITORDB_ReserveInInconsistency dc;
75 0 : struct GNUNET_PQ_ResultSpec rs[] = {
76 0 : GNUNET_PQ_result_spec_uint64 ("row_id",
77 : &dc.serial_id),
78 0 : GNUNET_PQ_result_spec_uint64 ("bank_row_id",
79 : &dc.bank_row_id),
80 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("amount_exchange_expected",
81 : &dc.amount_exchange_expected),
82 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("amount_wired",
83 : &dc.amount_wired),
84 0 : GNUNET_PQ_result_spec_auto_from_type ("reserve_pub",
85 : &dc.reserve_pub),
86 0 : GNUNET_PQ_result_spec_absolute_time ("timestamp",
87 : &dc.timestamp),
88 0 : GNUNET_PQ_result_spec_string ("account",
89 : &dc.account.full_payto),
90 0 : GNUNET_PQ_result_spec_string ("diagnostic",
91 : &dc.diagnostic),
92 0 : GNUNET_PQ_result_spec_bool ("suppressed",
93 : &dc.suppressed),
94 : GNUNET_PQ_result_spec_end
95 : };
96 : enum GNUNET_GenericReturnValue rval;
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 : dcc->qs = GNUNET_DB_STATUS_HARD_ERROR;
105 0 : return;
106 : }
107 :
108 0 : dcc->qs = i + 1;
109 0 : rval = dcc->cb (dcc->cb_cls,
110 : &dc);
111 0 : GNUNET_PQ_cleanup_result (rs);
112 0 : if (GNUNET_OK != rval)
113 0 : break;
114 : }
115 : }
116 :
117 :
118 : enum GNUNET_DB_QueryStatus
119 0 : TALER_AUDITORDB_iterate_reserve_in_inconsistencies (struct
120 : TALER_AUDITORDB_PostgresContext
121 : *
122 : pg,
123 : int64_t limit,
124 : uint64_t offset,
125 : bool return_suppressed,
126 : TALER_AUDITORDB_ReserveInInconsistencyCallback
127 : cb,
128 : void *cb_cls)
129 : {
130 0 : uint64_t plimit = GNUNET_MIN ((uint64_t) MAX_RECORDS,
131 : TALER_AUDITORDB_abs_limit (limit));
132 0 : struct GNUNET_PQ_QueryParam params[] = {
133 0 : GNUNET_PQ_query_param_uint64 (&offset),
134 0 : GNUNET_PQ_query_param_bool (return_suppressed),
135 0 : GNUNET_PQ_query_param_uint64 (&plimit),
136 : GNUNET_PQ_query_param_end
137 : };
138 0 : struct ReserveInInconsistencyContext dcc = {
139 : .cb = cb,
140 : .cb_cls = cb_cls,
141 : .pg = pg
142 : };
143 : enum GNUNET_DB_QueryStatus qs;
144 :
145 0 : PREPARE (pg,
146 : "iterate_reserve_in_inconsistencies_inconsistency_get_desc",
147 : "SELECT"
148 : " row_id"
149 : ",bank_row_id"
150 : ",amount_exchange_expected"
151 : ",amount_wired"
152 : ",reserve_pub"
153 : ",timestamp"
154 : ",account"
155 : ",diagnostic"
156 : ",suppressed"
157 : " FROM auditor_reserve_in_inconsistency"
158 : " WHERE (row_id < $1)"
159 : " AND ($2 OR suppressed is false)"
160 : " ORDER BY row_id DESC"
161 : " LIMIT $3"
162 : );
163 0 : PREPARE (pg,
164 : "iterate_reserve_in_inconsistencies_inconsistency_get_asc",
165 : "SELECT"
166 : " row_id"
167 : ",bank_row_id"
168 : ",amount_exchange_expected"
169 : ",amount_wired"
170 : ",reserve_pub"
171 : ",timestamp"
172 : ",account"
173 : ",diagnostic"
174 : ",suppressed"
175 : " FROM auditor_reserve_in_inconsistency"
176 : " WHERE (row_id > $1)"
177 : " AND ($2 OR suppressed is false)"
178 : " ORDER BY row_id ASC"
179 : " LIMIT $3"
180 : );
181 0 : qs = GNUNET_PQ_eval_prepared_multi_select (
182 : pg->conn,
183 : (limit > 0)
184 : ? "iterate_reserve_in_inconsistencies_inconsistency_get_asc"
185 : : "iterate_reserve_in_inconsistencies_inconsistency_get_desc",
186 : params,
187 : &reserve_in_inconsistency_cb,
188 : &dcc);
189 0 : if (qs > 0)
190 0 : return dcc.qs;
191 0 : GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != qs);
192 0 : return qs;
193 : }
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