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 "platform.h"
17 : #include "taler_error_codes.h"
18 : #include "taler_dbevents.h"
19 : #include "taler_pq_lib.h"
20 : #include "pg_helper.h"
21 : #include "pg_get_amount_arithmetic_inconsistency.h"
22 :
23 : /**
24 : * Closure for #deposit_confirmation_cb().
25 : */
26 : struct AmountArithmeticInconsistencyContext
27 : {
28 :
29 : /**
30 : * Function to call for each deposit confirmation.
31 : */
32 : TALER_AUDITORDB_AmountArithmeticInconsistencyCallback cb;
33 :
34 : /**
35 : * Closure for @e cb
36 : */
37 : void *cb_cls;
38 :
39 : /**
40 : * Plugin context.
41 : */
42 : struct PostgresClosure *pg;
43 :
44 : /**
45 : * Query status to return.
46 : */
47 : enum GNUNET_DB_QueryStatus qs;
48 : };
49 :
50 :
51 : /**
52 : * Helper function for #TAH_PG_get_deposit_confirmations().
53 : * To be called with the results of a SELECT statement
54 : * that has returned @a num_results results.
55 : *
56 : * @param cls closure of type `struct DepositConfirmationContext *`
57 : * @param result the postgres result
58 : * @param num_results the number of results in @a result
59 : */
60 : static void
61 3 : amount_arithmetic_inconsistency_cb (void *cls,
62 : PGresult *result,
63 : unsigned int num_results)
64 : {
65 3 : struct AmountArithmeticInconsistencyContext *dcc = cls;
66 3 : struct PostgresClosure *pg = dcc->pg;
67 :
68 8 : for (unsigned int i = 0; i < num_results; i++)
69 : {
70 : struct TALER_AUDITORDB_AmountArithmeticInconsistency dc;
71 5 : struct GNUNET_PQ_ResultSpec rs[] = {
72 5 : GNUNET_PQ_result_spec_uint64 ("row_id",
73 : &dc.row_id),
74 5 : GNUNET_PQ_result_spec_uint64 ("problem_row_id",
75 : &dc.problem_row_id),
76 5 : GNUNET_PQ_result_spec_string ("operation",
77 : &dc.operation),
78 5 : TALER_PQ_RESULT_SPEC_AMOUNT ("exchange_amount",
79 : &dc.exchange_amount),
80 5 : TALER_PQ_RESULT_SPEC_AMOUNT ("auditor_amount",
81 : &dc.auditor_amount),
82 5 : GNUNET_PQ_result_spec_bool ("profitable",
83 : &dc.profitable),
84 5 : GNUNET_PQ_result_spec_bool ("suppressed",
85 : &dc.suppressed),
86 : GNUNET_PQ_result_spec_end
87 : };
88 : enum GNUNET_GenericReturnValue rval;
89 :
90 5 : if (GNUNET_OK !=
91 5 : GNUNET_PQ_extract_result (result,
92 : rs,
93 : i))
94 : {
95 0 : GNUNET_break (0);
96 0 : dcc->qs = GNUNET_DB_STATUS_HARD_ERROR;
97 0 : return;
98 : }
99 5 : dcc->qs = i + 1;
100 5 : rval = dcc->cb (dcc->cb_cls,
101 : &dc);
102 5 : GNUNET_PQ_cleanup_result (rs);
103 5 : if (GNUNET_OK != rval)
104 0 : break;
105 : }
106 : }
107 :
108 :
109 : enum GNUNET_DB_QueryStatus
110 3 : TAH_PG_get_amount_arithmetic_inconsistency (
111 : void *cls,
112 : int64_t limit,
113 : uint64_t offset,
114 : bool return_suppressed,
115 : TALER_AUDITORDB_AmountArithmeticInconsistencyCallback cb,
116 : void *cb_cls)
117 : {
118 3 : struct PostgresClosure *pg = cls;
119 3 : uint64_t plimit = (uint64_t) ((limit < 0) ? -limit : limit);
120 3 : struct GNUNET_PQ_QueryParam params[] = {
121 3 : GNUNET_PQ_query_param_uint64 (&offset),
122 3 : GNUNET_PQ_query_param_bool (return_suppressed),
123 3 : GNUNET_PQ_query_param_uint64 (&plimit),
124 : GNUNET_PQ_query_param_end
125 : };
126 3 : struct AmountArithmeticInconsistencyContext dcc = {
127 : .cb = cb,
128 : .cb_cls = cb_cls,
129 : .pg = pg
130 : };
131 : enum GNUNET_DB_QueryStatus qs;
132 :
133 3 : PREPARE (pg,
134 : "auditor_amount_arithmetic_inconsistency_select_desc",
135 : "SELECT"
136 : " row_id"
137 : ",problem_row_id"
138 : ",operation"
139 : ",exchange_amount"
140 : ",auditor_amount"
141 : ",profitable"
142 : ",suppressed"
143 : " FROM auditor_amount_arithmetic_inconsistency"
144 : " WHERE (row_id<$1)"
145 : " AND ($2 OR NOT suppressed)"
146 : " ORDER BY row_id DESC"
147 : " LIMIT $3"
148 : );
149 3 : PREPARE (pg,
150 : "auditor_amount_arithmetic_inconsistency_select_asc",
151 : "SELECT"
152 : " row_id"
153 : ",problem_row_id"
154 : ",operation"
155 : ",exchange_amount"
156 : ",auditor_amount"
157 : ",profitable"
158 : ",suppressed"
159 : " FROM auditor_amount_arithmetic_inconsistency"
160 : " WHERE (row_id>$1)"
161 : " AND ($2 OR NOT suppressed)"
162 : " ORDER BY row_id ASC"
163 : " LIMIT $3"
164 : );
165 3 : qs = GNUNET_PQ_eval_prepared_multi_select (
166 : pg->conn,
167 : (limit > 0)
168 : ? "auditor_amount_arithmetic_inconsistency_select_asc"
169 : : "auditor_amount_arithmetic_inconsistency_select_desc",
170 : params,
171 : &amount_arithmetic_inconsistency_cb,
172 : &dcc);
173 3 : if (qs > 0)
174 2 : return dcc.qs;
175 1 : GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != qs);
176 1 : return qs;
177 : }
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