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_reserves.h"
19 :
20 :
21 : struct ReservesContext
22 : {
23 :
24 : /**
25 : * Function to call for each bad sig loss.
26 : */
27 : TALER_AUDITORDB_ReservesCallback 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_reserves().
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 ReservesContext *`
52 : * @param result the postgres result
53 : * @param num_results the number of results in @a result
54 : */
55 : static void
56 0 : reserves_cb (void *cls,
57 : PGresult *result,
58 : unsigned int num_results)
59 : {
60 0 : struct ReservesContext *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 : struct TALER_AUDITORDB_Reserves dc;
66 0 : struct GNUNET_PQ_ResultSpec rs[] = {
67 0 : GNUNET_PQ_result_spec_uint64 ("auditor_reserves_rowid",
68 : &dc.auditor_reserves_rowid),
69 0 : GNUNET_PQ_result_spec_auto_from_type ("reserve_pub",
70 : &dc.reserve_pub),
71 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("reserve_balance",
72 : &dc.reserve_balance),
73 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("reserve_loss",
74 : &dc.reserve_loss),
75 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("withdraw_fee_balance",
76 : &dc.withdraw_fee_balance),
77 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("close_fee_balance",
78 : &dc.close_fee_balance),
79 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("purse_fee_balance",
80 : &dc.purse_fee_balance),
81 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("open_fee_balance",
82 : &dc.open_fee_balance),
83 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("history_fee_balance",
84 : &dc.history_fee_balance),
85 0 : GNUNET_PQ_result_spec_absolute_time ("expiration_date",
86 : &dc.expiration_date),
87 0 : GNUNET_PQ_result_spec_string ("origin_account",
88 : &dc.origin_account.full_payto),
89 : GNUNET_PQ_result_spec_end
90 : };
91 : enum GNUNET_GenericReturnValue rval;
92 :
93 0 : if (GNUNET_OK !=
94 0 : GNUNET_PQ_extract_result (result,
95 : rs,
96 : i))
97 : {
98 0 : GNUNET_break (0);
99 0 : dcc->qs = GNUNET_DB_STATUS_HARD_ERROR;
100 0 : return;
101 : }
102 0 : dcc->qs = i + 1;
103 0 : rval = dcc->cb (dcc->cb_cls,
104 : dc.auditor_reserves_rowid,
105 : &dc);
106 0 : GNUNET_PQ_cleanup_result (rs);
107 0 : if (GNUNET_OK != rval)
108 0 : break;
109 : }
110 : }
111 :
112 :
113 : enum GNUNET_DB_QueryStatus
114 0 : TALER_AUDITORDB_get_reserves (struct TALER_AUDITORDB_PostgresContext *pg,
115 : int64_t limit,
116 : uint64_t offset,
117 : TALER_AUDITORDB_ReservesCallback cb,
118 : void *cb_cls)
119 : {
120 0 : uint64_t plimit = (uint64_t) ((limit < 0) ? -limit : limit);
121 0 : struct GNUNET_PQ_QueryParam params[] = {
122 0 : GNUNET_PQ_query_param_uint64 (&offset),
123 0 : GNUNET_PQ_query_param_uint64 (&plimit),
124 : GNUNET_PQ_query_param_end
125 : };
126 0 : struct ReservesContext dcc = {
127 : .cb = cb,
128 : .cb_cls = cb_cls,
129 : .pg = pg
130 : };
131 : enum GNUNET_DB_QueryStatus qs;
132 :
133 0 : PREPARE (pg,
134 : "auditor_reserves_get_desc",
135 : "SELECT"
136 : " auditor_reserves_rowid,"
137 : " reserve_pub,"
138 : " reserve_balance,"
139 : " reserve_loss,"
140 : " withdraw_fee_balance,"
141 : " close_fee_balance,"
142 : " purse_fee_balance,"
143 : " open_fee_balance,"
144 : " history_fee_balance,"
145 : " expiration_date,"
146 : " origin_account"
147 : " FROM auditor_reserves"
148 : " WHERE (auditor_reserves_rowid < $1)"
149 : " ORDER BY auditor_reserves_rowid DESC"
150 : " LIMIT $2"
151 : );
152 0 : PREPARE (pg,
153 : "auditor_reserves_get_asc",
154 : "SELECT"
155 : " auditor_reserves_rowid,"
156 : " reserve_pub,"
157 : " reserve_balance,"
158 : " reserve_loss,"
159 : " withdraw_fee_balance,"
160 : " close_fee_balance,"
161 : " purse_fee_balance,"
162 : " open_fee_balance,"
163 : " history_fee_balance,"
164 : " expiration_date,"
165 : " origin_account"
166 : " FROM auditor_reserves"
167 : " WHERE (auditor_reserves_rowid > $1)"
168 : " ORDER BY auditor_reserves_rowid ASC"
169 : " LIMIT $2"
170 : );
171 0 : qs = GNUNET_PQ_eval_prepared_multi_select (
172 : pg->conn,
173 : (limit > 0)
174 : ? "auditor_reserves_get_asc"
175 : : "auditor_reserves_get_desc",
176 : params,
177 : &reserves_cb,
178 : &dcc);
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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