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_reserves.h"
22 :
23 :
24 : struct ReservesContext
25 : {
26 :
27 : /**
28 : * Function to call for each bad sig loss.
29 : */
30 : TALER_AUDITORDB_ReservesCallback cb;
31 :
32 : /**
33 : * Closure for @e cb
34 : */
35 : void *cb_cls;
36 :
37 : /**
38 : * Plugin context.
39 : */
40 : struct PostgresClosure *pg;
41 :
42 : /**
43 : * Query status to return.
44 : */
45 : enum GNUNET_DB_QueryStatus qs;
46 : };
47 :
48 :
49 : /**
50 : * Helper function for #TAH_PG_get_reserves().
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 ReservesContext *`
55 : * @param result the postgres result
56 : * @param num_results the number of results in @a result
57 : */
58 : static void
59 0 : reserves_cb (void *cls,
60 : PGresult *result,
61 : unsigned int num_results)
62 : {
63 0 : struct ReservesContext *dcc = cls;
64 0 : struct PostgresClosure *pg = dcc->pg;
65 :
66 0 : for (unsigned int i = 0; i < num_results; i++)
67 : {
68 : struct TALER_AUDITORDB_Reserves dc;
69 0 : struct GNUNET_PQ_ResultSpec rs[] = {
70 0 : GNUNET_PQ_result_spec_uint64 ("auditor_reserves_rowid",
71 : &dc.auditor_reserves_rowid),
72 0 : GNUNET_PQ_result_spec_auto_from_type ("reserve_pub",
73 : &dc.reserve_pub),
74 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("reserve_balance",
75 : &dc.reserve_balance),
76 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("reserve_loss",
77 : &dc.reserve_loss),
78 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("withdraw_fee_balance",
79 : &dc.withdraw_fee_balance),
80 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("close_fee_balance",
81 : &dc.close_fee_balance),
82 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("purse_fee_balance",
83 : &dc.purse_fee_balance),
84 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("open_fee_balance",
85 : &dc.open_fee_balance),
86 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("history_fee_balance",
87 : &dc.history_fee_balance),
88 0 : GNUNET_PQ_result_spec_absolute_time ("expiration_date",
89 : &dc.expiration_date),
90 0 : GNUNET_PQ_result_spec_string ("origin_account",
91 : &dc.origin_account.full_payto),
92 : GNUNET_PQ_result_spec_end
93 : };
94 : enum GNUNET_GenericReturnValue rval;
95 :
96 0 : if (GNUNET_OK !=
97 0 : GNUNET_PQ_extract_result (result,
98 : rs,
99 : i))
100 : {
101 0 : GNUNET_break (0);
102 0 : dcc->qs = GNUNET_DB_STATUS_HARD_ERROR;
103 0 : return;
104 : }
105 0 : dcc->qs = i + 1;
106 0 : rval = dcc->cb (dcc->cb_cls,
107 : dc.auditor_reserves_rowid,
108 : &dc);
109 0 : GNUNET_PQ_cleanup_result (rs);
110 0 : if (GNUNET_OK != rval)
111 0 : break;
112 : }
113 : }
114 :
115 :
116 : enum GNUNET_DB_QueryStatus
117 0 : TAH_PG_get_reserves (
118 : void *cls,
119 : int64_t limit,
120 : uint64_t offset,
121 : TALER_AUDITORDB_ReservesCallback cb,
122 : void *cb_cls)
123 : {
124 0 : uint64_t plimit = (uint64_t) ((limit < 0) ? -limit : limit);
125 0 : struct PostgresClosure *pg = cls;
126 0 : struct GNUNET_PQ_QueryParam params[] = {
127 0 : GNUNET_PQ_query_param_uint64 (&offset),
128 0 : GNUNET_PQ_query_param_uint64 (&plimit),
129 : GNUNET_PQ_query_param_end
130 : };
131 0 : struct ReservesContext dcc = {
132 : .cb = cb,
133 : .cb_cls = cb_cls,
134 : .pg = pg
135 : };
136 : enum GNUNET_DB_QueryStatus qs;
137 :
138 0 : PREPARE (pg,
139 : "auditor_reserves_get_desc",
140 : "SELECT"
141 : " auditor_reserves_rowid,"
142 : " reserve_pub,"
143 : " reserve_balance,"
144 : " reserve_loss,"
145 : " withdraw_fee_balance,"
146 : " close_fee_balance,"
147 : " purse_fee_balance,"
148 : " open_fee_balance,"
149 : " history_fee_balance,"
150 : " expiration_date,"
151 : " origin_account"
152 : " FROM auditor_reserves"
153 : " WHERE (auditor_reserves_rowid < $1)"
154 : " ORDER BY auditor_reserves_rowid DESC"
155 : " LIMIT $2"
156 : );
157 0 : PREPARE (pg,
158 : "auditor_reserves_get_asc",
159 : "SELECT"
160 : " auditor_reserves_rowid,"
161 : " reserve_pub,"
162 : " reserve_balance,"
163 : " reserve_loss,"
164 : " withdraw_fee_balance,"
165 : " close_fee_balance,"
166 : " purse_fee_balance,"
167 : " open_fee_balance,"
168 : " history_fee_balance,"
169 : " expiration_date,"
170 : " origin_account"
171 : " FROM auditor_reserves"
172 : " WHERE (auditor_reserves_rowid > $1)"
173 : " ORDER BY auditor_reserves_rowid ASC"
174 : " LIMIT $2"
175 : );
176 0 : qs = GNUNET_PQ_eval_prepared_multi_select (
177 : pg->conn,
178 : (limit > 0)
179 : ? "auditor_reserves_get_asc"
180 : : "auditor_reserves_get_desc",
181 : params,
182 : &reserves_cb,
183 : &dcc);
184 0 : if (qs > 0)
185 0 : return dcc.qs;
186 0 : GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != qs);
187 0 : return qs;
188 : }
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