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
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
/*
This file is part of TALER
Copyright (C) 2014, 2015, 2016 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 include/taler_pq_lib.h
* @brief helper functions for DB interactions
* @author Sree Harsha Totakura <sreeharsha@totakura.in>
* @author Florian Dold
* @author Christian Grothoff
*/
#ifndef TALER_PQ_LIB_H_
#define TALER_PQ_LIB_H_
#include <libpq-fe.h>
#include <jansson.h>
#include <gnunet/gnunet_pq_lib.h>
#include "taler_util.h"
/**
* Generate query parameter for a currency, consisting of the three
* components "value", "fraction" and "currency" in this order. The
* types must be a 64-bit integer, 32-bit integer and a
* #TALER_CURRENCY_LEN-sized BLOB/VARCHAR respectively.
*
* @param x pointer to the query parameter to pass
*/
struct GNUNET_PQ_QueryParam
TALER_PQ_query_param_amount_nbo (const struct TALER_AmountNBO *x);
/**
* Generate query parameter for an amount, consisting of the two
* components "value" and "fraction" in this order. The
* types must be a 64-bit integer and a 32-bit integer
* respectively. The currency is dropped.
*
* @param x pointer to the query parameter to pass
*/
struct GNUNET_PQ_QueryParam
TALER_PQ_query_param_amount (const struct TALER_Amount *x);
/**
* Generate query parameter for a denomination public
* key. Internally, the various attributes of the
* public key will be serialized into on variable-size
* BLOB.
*
* @param x pointer to the query parameter to pass
*/
struct GNUNET_PQ_QueryParam
TALER_PQ_query_param_denom_pub (
const struct TALER_DenominationPublicKey *denom_pub);
/**
* Generate query parameter for a denomination signature. Internally, the
* various attributes of the signature will be serialized into on
* variable-size BLOB.
*
* @param x pointer to the query parameter to pass
*/
struct GNUNET_PQ_QueryParam
TALER_PQ_query_param_denom_sig (
const struct TALER_DenominationSignature *denom_sig);
/**
* Generate query parameter for a blinded denomination signature. Internally,
* the various attributes of the signature will be serialized into on
* variable-size BLOB.
*
* @param x pointer to the query parameter to pass
*/
struct GNUNET_PQ_QueryParam
TALER_PQ_query_param_blinded_denom_sig (
const struct TALER_BlindedDenominationSignature *denom_sig);
/**
* Generate query parameter for a JSON object (stored as a string
* in the DB). Note that @a x must really be a JSON object or array,
* passing just a value (string, integer) is not supported and will
* result in an abort.
*
* @param x pointer to the json object to pass
*/
struct GNUNET_PQ_QueryParam
TALER_PQ_query_param_json (const json_t *x);
/**
* Currency amount expected.
*
* @param name name of the field in the table
* @param currency currency to use for @a amount
* @param[out] amount where to store the result
* @return array entry for the result specification to use
*/
struct GNUNET_PQ_ResultSpec
TALER_PQ_result_spec_amount_nbo (const char *name,
const char *currency,
struct TALER_AmountNBO *amount);
/**
* Currency amount expected.
*
* @param name name of the field in the table
* @param currency currency to use for @a amount
* @param[out] amount where to store the result
* @return array entry for the result specification to use
*/
struct GNUNET_PQ_ResultSpec
TALER_PQ_result_spec_amount (const char *name,
const char *currency,
struct TALER_Amount *amount);
/**
* Denomination public key expected.
*
* @param name name of the field in the table
* @param[out] denom_pub where to store the public key
* @return array entry for the result specification to use
*/
struct GNUNET_PQ_ResultSpec
TALER_PQ_result_spec_denom_pub (const char *name,
struct TALER_DenominationPublicKey *denom_pub);
/**
* Denomination signature expected.
*
* @param name name of the field in the table
* @param[out] denom_sig where to store the denomination signature
* @return array entry for the result specification to use
*/
struct GNUNET_PQ_ResultSpec
TALER_PQ_result_spec_denom_sig (const char *name,
struct TALER_DenominationSignature *denom_sig);
/**
* Blinded denomination signature expected.
*
* @param name name of the field in the table
* @param[out] denom_sig where to store the denomination signature
* @return array entry for the result specification to use
*/
struct GNUNET_PQ_ResultSpec
TALER_PQ_result_spec_blinded_denom_sig (
const char *name,
struct TALER_BlindedDenominationSignature *denom_sig);
/**
* json_t expected.
*
* @param name name of the field in the table
* @param[out] jp where to store the result
* @return array entry for the result specification to use
*/
struct GNUNET_PQ_ResultSpec
TALER_PQ_result_spec_json (const char *name,
json_t **jp);
#endif /* TALER_PQ_LIB_H_ */
/* end of include/taler_pq_lib.h */
|
