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
|
/*
This file is part of TALER
(C) 2014, 2015, 2016 INRIA
TALER is free software; you can redistribute it and/or modify it under the
terms of the GNU Affero 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 backend/taler-merchant-httpd_contract.c
* @brief HTTP serving layer mainly intended to communicate with the frontend
* @author Marcello Stanisci
*/
#include "platform.h"
#include <jansson.h>
#include <taler/taler_signatures.h>
#include <taler/taler_json_lib.h>
#include "taler-merchant-httpd.h"
#include "taler-merchant-httpd_responses.h"
/**
* Function called with information about a transaction. Checks whether the
* returned tuple
*
* @param cls closure
* @param transaction_id of the contract
* @param merchant_pub merchant's public key
* @param exchange_uri URI of the exchange
* @param h_contract hash of the contract
* @param h_wire hash of our wire details
* @param timestamp time of the confirmation
* @param refund refund deadline
* @param total_amount total amount we receive for the contract after fees
*/
static void
history_cb (void *cls,
uint64_t transaction_id,
const struct TALER_MerchantPublicKeyP *merchant_pub,
const char *exchange_uri,
const struct GNUNET_HashCode *h_contract,
const struct GNUNET_HashCode *h_wire,
struct GNUNET_TIME_Absolute timestamp,
struct GNUNET_TIME_Absolute refund,
const struct TALER_Amount *total_amount)
{
json_t *response = cls;
json_t *entry;
GNUNET_break (NULL !=
(entry = json_pack ("{s:I, s:s, s:o, s:o, s:o}",
"transaction_id", transaction_id,
"exchange", exchange_uri,
"h_contract", GNUNET_JSON_from_data_auto (h_contract),
"timestamp", GNUNET_JSON_from_time_abs (timestamp),
"total_amount",
TALER_JSON_from_amount (total_amount))));
GNUNET_break (0 == json_array_append (response, entry));
}
/**
* Manage a /history request. Query the db and returns transactions
* younger than the date given as parameter
*
* @param rh context of the handler
* @param connection the MHD connection to handle
* @param[in,out] connection_cls the connection's closure (can be updated)
* @param upload_data upload data
* @param[in,out] upload_data_size number of bytes (left) in @a upload_data
* @return MHD result code
*/
int
MH_handler_history (struct TMH_RequestHandler *rh,
struct MHD_Connection *connection,
void **connection_cls,
const char *upload_data,
size_t *upload_data_size)
{
#define LOG_INFO(...) GNUNET_log (GNUNET_ERROR_TYPE_INFO, __VA_ARGS__)
const char *str;
struct GNUNET_TIME_Absolute date;
json_t *response;
unsigned int ret;
unsigned long long seconds;
response = json_array (); /*FIXME who decrefs this?*/
str = MHD_lookup_connection_value (connection,
MHD_GET_ARGUMENT_KIND,
"date");
if (NULL == str)
return TMH_RESPONSE_reply_arg_missing (connection,
TALER_EC_PARAMETER_MISSING,
"date");
if (1 != sscanf (str, "%llu", &seconds))
return TMH_RESPONSE_reply_arg_invalid (connection,
TALER_EC_PARAMETER_MALFORMED,
"date");
date.abs_value_us = seconds * 1000LL * 1000LL;
if (date.abs_value_us / 1000LL / 1000LL != seconds)
return TMH_RESPONSE_reply_bad_request (connection,
TALER_EC_HISTORY_TIMESTAMP_OVERFLOW,
"Timestamp overflowed");
ret = db->find_transactions_by_date (db->cls,
date,
history_cb,
response);
if (GNUNET_SYSERR == ret)
return TMH_RESPONSE_reply_internal_error (connection,
TALER_EC_HISTORY_DB_FETCH_ERROR,
"db error to get history");
return TMH_RESPONSE_reply_json (connection,
response,
MHD_HTTP_OK);
}
/* end of taler-merchant-httpd_history.c */
|
