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_pq_lib.h"
17 : #include "pg_helper.h"
18 : #include "auditor-database/get_denomination_pending.h"
19 :
20 :
21 : struct DenominationPendingContext
22 : {
23 :
24 : /**
25 : * Function to call for each bad sig loss.
26 : */
27 : TALER_AUDITORDB_DenominationPendingCallback cb;
28 :
29 : /**
30 : * Closure for @e cb
31 : */
32 : void *cb_cls;
33 :
34 : /**
35 : * Plugin context.
36 : */
37 : struct TALER_AUDITORDB_PostgresContext *pg;
38 :
39 : /**
40 : * Query status to return.
41 : */
42 : enum GNUNET_DB_QueryStatus qs;
43 : };
44 :
45 :
46 : /**
47 : * Helper function for #TALER_AUDITORDB_get_denomination_pending().
48 : * To be called with the results of a SELECT statement
49 : * that has returned @a num_results results.
50 : *
51 : * @param cls closure of type `struct DenominationPendingContext *`
52 : * @param result the postgres result
53 : * @param num_results the number of results in @a result
54 : */
55 : static void
56 0 : denomination_pending_cb (void *cls,
57 : PGresult *result,
58 : unsigned int num_results)
59 : {
60 0 : struct DenominationPendingContext *dcc = cls;
61 0 : struct TALER_AUDITORDB_PostgresContext *pg = dcc->pg;
62 :
63 0 : for (unsigned int i = 0; i < num_results; i++)
64 : {
65 : uint64_t serial_id;
66 : struct TALER_AUDITORDB_DenominationPending dc;
67 0 : struct GNUNET_PQ_ResultSpec rs[] = {
68 0 : GNUNET_PQ_result_spec_uint64 ("row_id",
69 : &serial_id),
70 0 : GNUNET_PQ_result_spec_auto_from_type ("denom_pub_hash",
71 : &dc.denom_pub_hash),
72 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("denom_balance",
73 : &dc.denom_balance),
74 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("denom_loss",
75 : &dc.denom_loss),
76 0 : GNUNET_PQ_result_spec_uint64 ("num_issued",
77 : &dc.num_issued),
78 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("denom_risk",
79 : &dc.denom_risk),
80 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("recoup_loss",
81 : &dc.recoup_loss),
82 : GNUNET_PQ_result_spec_end
83 : };
84 : enum GNUNET_GenericReturnValue rval;
85 :
86 0 : if (GNUNET_OK !=
87 0 : GNUNET_PQ_extract_result (result,
88 : rs,
89 : i))
90 : {
91 0 : GNUNET_break (0);
92 0 : dcc->qs = GNUNET_DB_STATUS_HARD_ERROR;
93 0 : return;
94 : }
95 0 : dcc->qs = i + 1;
96 0 : rval = dcc->cb (dcc->cb_cls,
97 : serial_id,
98 : &dc);
99 0 : GNUNET_PQ_cleanup_result (rs);
100 0 : if (GNUNET_OK != rval)
101 0 : break;
102 : }
103 : }
104 :
105 :
106 : enum GNUNET_DB_QueryStatus
107 0 : TALER_AUDITORDB_get_denomination_pending (
108 : struct TALER_AUDITORDB_PostgresContext *pg,
109 : int64_t limit,
110 : uint64_t offset,
111 : TALER_AUDITORDB_DenominationPendingCallback 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_uint64 (&plimit),
118 : GNUNET_PQ_query_param_end
119 : };
120 0 : struct DenominationPendingContext dcc = {
121 : .cb = cb,
122 : .cb_cls = cb_cls,
123 : .pg = pg
124 : };
125 : enum GNUNET_DB_QueryStatus qs;
126 :
127 0 : PREPARE (pg,
128 : "auditor_denomination_pending_get_desc",
129 : "SELECT"
130 : " row_id,"
131 : " denom_pub_hash,"
132 : " denom_balance,"
133 : " denom_loss,"
134 : " num_issued,"
135 : " denom_risk,"
136 : " recoup_loss"
137 : " FROM auditor_denomination_pending"
138 : " WHERE (row_id < $1)"
139 : " ORDER BY row_id DESC"
140 : " LIMIT $2"
141 : );
142 0 : PREPARE (pg,
143 : "auditor_denomination_pending_get_asc",
144 : "SELECT"
145 : " row_id,"
146 : " denom_pub_hash,"
147 : " denom_balance,"
148 : " denom_loss,"
149 : " num_issued,"
150 : " denom_risk,"
151 : " recoup_loss"
152 : " FROM auditor_denomination_pending"
153 : " WHERE (row_id > $1)"
154 : " ORDER BY row_id ASC"
155 : " LIMIT $2"
156 : );
157 0 : qs = GNUNET_PQ_eval_prepared_multi_select (
158 : pg->conn,
159 : (limit > 0)
160 : ? "auditor_denomination_pending_get_asc"
161 : : "auditor_denomination_pending_get_desc",
162 : params,
163 : &denomination_pending_cb,
164 : &dcc);
165 0 : if (qs > 0)
166 0 : return dcc.qs;
167 0 : GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != qs);
168 0 : return qs;
169 : }
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