Line data Source code
1 : /*
2 : This file is part of TALER
3 : Copyright (C) 2022 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 exchangedb/pg_template.c
18 : * @brief Implementation of the template function for Postgres
19 : * @author Christian Grothoff
20 : */
21 : #include "platform.h"
22 : #include "taler_error_codes.h"
23 : #include "taler_dbevents.h"
24 : #include "taler_pq_lib.h"
25 : #include "pg_get_purse_request.h"
26 : #include "pg_helper.h"
27 :
28 : enum GNUNET_DB_QueryStatus
29 6 : TEH_PG_get_purse_request (
30 : void *cls,
31 : const struct TALER_PurseContractPublicKeyP *purse_pub,
32 : struct TALER_PurseMergePublicKeyP *merge_pub,
33 : struct GNUNET_TIME_Timestamp *purse_expiration,
34 : struct TALER_PrivateContractHashP *h_contract_terms,
35 : uint32_t *age_limit,
36 : struct TALER_Amount *target_amount,
37 : struct TALER_Amount *balance,
38 : struct TALER_PurseContractSignatureP *purse_sig)
39 : {
40 6 : struct PostgresClosure *pg = cls;
41 6 : struct GNUNET_PQ_QueryParam params[] = {
42 6 : GNUNET_PQ_query_param_auto_from_type (purse_pub),
43 : GNUNET_PQ_query_param_end
44 : };
45 6 : struct GNUNET_PQ_ResultSpec rs[] = {
46 6 : GNUNET_PQ_result_spec_auto_from_type ("merge_pub",
47 : merge_pub),
48 6 : GNUNET_PQ_result_spec_timestamp ("purse_expiration",
49 : purse_expiration),
50 6 : GNUNET_PQ_result_spec_auto_from_type ("h_contract_terms",
51 : h_contract_terms),
52 6 : GNUNET_PQ_result_spec_uint32 ("age_limit",
53 : age_limit),
54 6 : TALER_PQ_RESULT_SPEC_AMOUNT ("amount_with_fee",
55 : target_amount),
56 6 : TALER_PQ_RESULT_SPEC_AMOUNT ("balance",
57 : balance),
58 6 : GNUNET_PQ_result_spec_auto_from_type ("purse_sig",
59 : purse_sig),
60 : GNUNET_PQ_result_spec_end
61 : };
62 :
63 6 : PREPARE (pg,
64 : "get_purse_request",
65 : "SELECT "
66 : " merge_pub"
67 : ",purse_expiration"
68 : ",h_contract_terms"
69 : ",age_limit"
70 : ",amount_with_fee"
71 : ",balance"
72 : ",purse_sig"
73 : " FROM purse_requests"
74 : " WHERE purse_pub=$1;");
75 6 : return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
76 : "get_purse_request",
77 : params,
78 : rs);
79 : }
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