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
|
/*
This file is part of TALER
(C) 2014-2023 Taler Systems SA
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 taler-merchant-httpd_private-post-transfers.c
* @brief implement API for registering wire transfers
* @author Marcello Stanisci
* @author Christian Grothoff
*/
#include "platform.h"
#include <jansson.h>
#include <taler/taler_signatures.h>
#include <taler/taler_json_lib.h>
#include <taler/taler_dbevents.h>
#include "taler-merchant-httpd_exchanges.h"
#include "taler-merchant-httpd_helper.h"
#include "taler-merchant-httpd_private-post-transfers.h"
/**
* How often do we retry the simple INSERT database transaction?
*/
#define MAX_RETRIES 3
MHD_RESULT
TMH_private_post_transfers (const struct TMH_RequestHandler *rh,
struct MHD_Connection *connection,
struct TMH_HandlerContext *hc)
{
const char *payto_uri;
const char *exchange_url;
struct TALER_WireTransferIdentifierRawP wtid;
struct TALER_Amount amount;
struct GNUNET_JSON_Specification spec[] = {
TALER_JSON_spec_amount_any ("credit_amount",
&amount),
GNUNET_JSON_spec_fixed_auto ("wtid",
&wtid),
TALER_JSON_spec_payto_uri ("payto_uri",
&payto_uri),
TALER_JSON_spec_web_url ("exchange_url",
&exchange_url),
GNUNET_JSON_spec_end ()
};
enum GNUNET_GenericReturnValue res;
enum GNUNET_DB_QueryStatus qs;
res = TALER_MHD_parse_json_data (connection,
hc->request_body,
spec);
if (GNUNET_OK != res)
return (GNUNET_NO == res)
? MHD_YES
: MHD_NO;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"New inbound wire transfer over %s to %s from %s\n",
TALER_amount2s (&amount),
payto_uri,
exchange_url);
/* Check if transfer data is in database, if not, add it. */
for (unsigned int retry = 0; retry<MAX_RETRIES; retry++)
{
TMH_db->preflight (TMH_db->cls);
if (GNUNET_OK !=
TMH_db->start (TMH_db->cls,
"post-transfers"))
{
GNUNET_break (0);
return TALER_MHD_reply_with_error (connection,
MHD_HTTP_INTERNAL_SERVER_ERROR,
TALER_EC_GENERIC_DB_START_FAILED,
"transfer");
}
qs = TMH_db->insert_transfer (TMH_db->cls,
hc->instance->settings.id,
exchange_url,
&wtid,
&amount,
payto_uri,
true /* confirmed! */);
if (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS == qs)
qs = TMH_db->set_transfer_status_to_confirmed (TMH_db->cls,
hc->instance->settings.id,
exchange_url,
&wtid,
&amount);
switch (qs)
{
case GNUNET_DB_STATUS_HARD_ERROR:
GNUNET_break (0);
TMH_db->rollback (TMH_db->cls);
return TALER_MHD_reply_with_error (connection,
MHD_HTTP_INTERNAL_SERVER_ERROR,
TALER_EC_GENERIC_DB_STORE_FAILED,
"insert_transfer");
case GNUNET_DB_STATUS_SOFT_ERROR:
TMH_db->rollback (TMH_db->cls);
continue;
case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS:
/* Could not set to confirmed, must differ by amount! */
TMH_db->rollback (TMH_db->cls);
return TALER_MHD_reply_with_error (
connection,
MHD_HTTP_CONFLICT,
TALER_EC_MERCHANT_PRIVATE_POST_TRANSFERS_CONFLICTING_SUBMISSION,
NULL);
case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT:
break;
}
{
struct GNUNET_DB_EventHeaderP es = {
.size = htons (sizeof (es)),
.type = htons (TALER_DBEVENT_MERCHANT_WIRE_TRANSFER_CONFIRMED)
};
TMH_db->event_notify (TMH_db->cls,
&es,
NULL,
0);
}
qs = TMH_db->commit (TMH_db->cls);
switch (qs)
{
case GNUNET_DB_STATUS_HARD_ERROR:
GNUNET_break (0);
TMH_db->rollback (TMH_db->cls);
return TALER_MHD_reply_with_error (connection,
MHD_HTTP_INTERNAL_SERVER_ERROR,
TALER_EC_GENERIC_DB_COMMIT_FAILED,
NULL);
case GNUNET_DB_STATUS_SOFT_ERROR:
TMH_db->rollback (TMH_db->cls);
continue;
case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS:
case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT:
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"post-transfer committed successfully\n");
break;
}
}
return TALER_MHD_reply_static (connection,
MHD_HTTP_NO_CONTENT,
NULL,
NULL,
0);
}
/* end of taler-merchant-httpd_private-post-transfers.c */
|
