Line data Source code
1 : /*
2 : This file is part of TALER
3 : Copyright (C) 2026 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 : * @file src/exchangedb/get_aggregation_transient_by_wtid.c
18 : * @brief Implementation of the get_aggregation_transient_by_wtid function for Postgres
19 : * @author Christian Grothoff
20 : */
21 : #include "taler/taler_pq_lib.h"
22 : #include "helper.h"
23 : #include "exchange-database/get_aggregation_transient_by_wtid.h"
24 :
25 :
26 : enum GNUNET_DB_QueryStatus
27 3 : TALER_EXCHANGEDB_get_aggregation_transient_by_wtid (
28 : struct TALER_EXCHANGEDB_PostgresContext *pg,
29 : const struct TALER_FullPaytoHashP *wire_target_h_payto,
30 : const struct TALER_WireTransferIdentifierRawP *wtid,
31 : struct TALER_Amount *amount,
32 : uint64_t *legitimization_measure_serial_id)
33 : {
34 3 : struct GNUNET_PQ_QueryParam params[] = {
35 3 : GNUNET_PQ_query_param_auto_from_type (wire_target_h_payto),
36 3 : GNUNET_PQ_query_param_auto_from_type (wtid),
37 : GNUNET_PQ_query_param_end
38 : };
39 3 : struct GNUNET_PQ_ResultSpec rs[] = {
40 3 : TALER_PQ_RESULT_SPEC_AMOUNT ("amount",
41 : amount),
42 3 : GNUNET_PQ_result_spec_uint64 ("legitimization_requirement_serial_id",
43 : legitimization_measure_serial_id),
44 : GNUNET_PQ_result_spec_end
45 : };
46 :
47 : /* (wire_target_h_payto, wtid_raw) is the table's unique key. */
48 3 : PREPARE (pg,
49 : "get_aggregation_transient_by_wtid",
50 : "SELECT"
51 : " amount"
52 : " ,legitimization_requirement_serial_id"
53 : " FROM aggregation_transient"
54 : " WHERE wire_target_h_payto=$1"
55 : " AND wtid_raw=$2;");
56 3 : return GNUNET_PQ_eval_prepared_singleton_select (
57 : pg->conn,
58 : "get_aggregation_transient_by_wtid",
59 : params,
60 : rs);
61 : }
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