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