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 :
17 :
18 : #include "taler/taler_error_codes.h"
19 : #include "taler/taler_pq_lib.h"
20 : #include "pg_helper.h"
21 : #include "auditor-database/get_coin_inconsistency.h"
22 :
23 : /**
24 : * Closure for #deposit_confirmation_cb().
25 : */
26 : struct CoinInconsistencyContext
27 : {
28 :
29 : /**
30 : * Function to call for each deposit confirmation.
31 : */
32 : TALER_AUDITORDB_CoinInconsistencyCallback cb;
33 :
34 : /**
35 : * Closure for @e cb
36 : */
37 : void *cb_cls;
38 :
39 : /**
40 : * Plugin context.
41 : */
42 : struct TALER_AUDITORDB_PostgresContext *pg;
43 :
44 : /**
45 : * Query status to return.
46 : */
47 : enum GNUNET_DB_QueryStatus qs;
48 : };
49 :
50 :
51 : /**
52 : * Helper function for #TALER_AUDITORDB_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 0 : coin_inconsistency_cb (void *cls,
62 : PGresult *result,
63 : unsigned int num_results)
64 : {
65 0 : struct CoinInconsistencyContext *dcc = cls;
66 0 : struct TALER_AUDITORDB_PostgresContext *pg = dcc->pg;
67 :
68 0 : for (unsigned int i = 0; i < num_results; i++)
69 : {
70 : uint64_t serial_id;
71 :
72 : struct TALER_AUDITORDB_CoinInconsistency dc;
73 :
74 0 : struct GNUNET_PQ_ResultSpec rs[] = {
75 0 : GNUNET_PQ_result_spec_uint64 ("row_id",
76 : &serial_id),
77 0 : GNUNET_PQ_result_spec_string ("operation",
78 : &dc.operation),
79 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("exchange_amount",
80 : &dc.exchange_amount),
81 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("auditor_amount",
82 : &dc.auditor_amount),
83 0 : GNUNET_PQ_result_spec_auto_from_type ("coin_pub", &dc.coin_pub),
84 0 : GNUNET_PQ_result_spec_bool ("profitable",
85 : &dc.profitable),
86 :
87 : GNUNET_PQ_result_spec_end
88 : };
89 : enum GNUNET_GenericReturnValue rval;
90 :
91 0 : if (GNUNET_OK !=
92 0 : GNUNET_PQ_extract_result (result,
93 : rs,
94 : i))
95 : {
96 0 : GNUNET_break (0);
97 0 : dcc->qs = GNUNET_DB_STATUS_HARD_ERROR;
98 0 : return;
99 : }
100 :
101 0 : dcc->qs = i + 1;
102 :
103 :
104 0 : rval = dcc->cb (dcc->cb_cls,
105 : serial_id,
106 : &dc);
107 0 : GNUNET_PQ_cleanup_result (rs);
108 0 : if (GNUNET_OK != rval)
109 0 : break;
110 : }
111 : }
112 :
113 :
114 : enum GNUNET_DB_QueryStatus
115 0 : TALER_AUDITORDB_get_coin_inconsistency (
116 : struct TALER_AUDITORDB_PostgresContext *pg,
117 : int64_t limit,
118 : uint64_t offset,
119 : bool return_suppressed, // maybe not needed
120 : TALER_AUDITORDB_CoinInconsistencyCallback cb,
121 : void *cb_cls)
122 : {
123 :
124 0 : uint64_t plimit = (uint64_t) ((limit < 0) ? -limit : limit);
125 0 : struct GNUNET_PQ_QueryParam params[] = {
126 0 : GNUNET_PQ_query_param_uint64 (&offset),
127 0 : GNUNET_PQ_query_param_bool (return_suppressed),
128 0 : GNUNET_PQ_query_param_uint64 (&plimit),
129 : GNUNET_PQ_query_param_end
130 : };
131 0 : struct CoinInconsistencyContext dcc = {
132 : .cb = cb,
133 : .cb_cls = cb_cls,
134 : .pg = pg
135 : };
136 : enum GNUNET_DB_QueryStatus qs;
137 :
138 :
139 0 : PREPARE (pg,
140 : "auditor_coin_inconsistency_select_desc",
141 : "SELECT"
142 : " row_id"
143 : ",operation"
144 : ",exchange_amount"
145 : ",auditor_amount"
146 : ",coin_pub"
147 : ",profitable"
148 : " FROM auditor_coin_inconsistency"
149 : " WHERE (row_id < $1)"
150 : " AND ($2 OR suppressed is false)"
151 : " ORDER BY row_id DESC"
152 : " LIMIT $3"
153 : );
154 0 : PREPARE (pg,
155 : "auditor_coin_inconsistency_select_asc",
156 : "SELECT"
157 : " row_id"
158 : ",operation"
159 : ",exchange_amount"
160 : ",auditor_amount"
161 : ",coin_pub"
162 : ",profitable"
163 : " FROM auditor_coin_inconsistency"
164 : " WHERE (row_id > $1)"
165 : " AND ($2 OR suppressed is false)"
166 : " ORDER BY row_id ASC"
167 : " LIMIT $3"
168 : );
169 0 : qs = GNUNET_PQ_eval_prepared_multi_select (pg->conn,
170 : (limit > 0) ?
171 : "auditor_coin_inconsistency_select_asc"
172 : :
173 : "auditor_coin_inconsistency_select_desc",
174 : params,
175 : &coin_inconsistency_cb,
176 : &dcc);
177 :
178 :
179 0 : if (qs > 0)
180 0 : return dcc.qs;
181 0 : GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != qs);
182 0 : return qs;
183 : }
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