1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
/*
This file is part of TALER
Copyright (C) 2022 Taler Systems SA
TALER is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
TALER is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
* @file pg_get_predicted_balance.c
* @brief Low-level (statement-level) Postgres database access for the exchange
* @author Christian Grothoff
*/
#include "platform.h"
#include "taler_error_codes.h"
#include "taler_dbevents.h"
#include "taler_pq_lib.h"
#include "pg_get_predicted_balance.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TAH_PG_get_predicted_balance (void *cls,
const struct TALER_MasterPublicKeyP *master_pub,
struct TALER_Amount *balance,
struct TALER_Amount *drained)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (master_pub),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_ResultSpec rs[] = {
TALER_PQ_RESULT_SPEC_AMOUNT ("balance",
balance),
TALER_PQ_RESULT_SPEC_AMOUNT ("drained",
drained),
GNUNET_PQ_result_spec_end
};
PREPARE (pg,
"auditor_predicted_result_select",
"SELECT"
" balance_val"
",balance_frac"
",drained_val"
",drained_frac"
" FROM auditor_predicted_result"
" WHERE master_pub=$1;");
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"auditor_predicted_result_select",
params,
rs);
}
|
