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
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
|
/*
This file is part of TALER
Copyright (C) 2022-2024 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 exchangedb/pg_lookup_transfer_by_deposit.c
* @brief Implementation of the lookup_transfer_by_deposit function for Postgres
* @author Christian Grothoff
*/
#include "platform.h"
#include "taler_error_codes.h"
#include "taler_dbevents.h"
#include "taler_pq_lib.h"
#include "pg_lookup_transfer_by_deposit.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_lookup_transfer_by_deposit (
void *cls,
const struct TALER_PrivateContractHashP *h_contract_terms,
const struct TALER_MerchantWireHashP *h_wire,
const struct TALER_CoinSpendPublicKeyP *coin_pub,
const struct TALER_MerchantPublicKeyP *merchant_pub,
bool *pending,
struct TALER_WireTransferIdentifierRawP *wtid,
struct GNUNET_TIME_Timestamp *exec_time,
struct TALER_Amount *amount_with_fee,
struct TALER_Amount *deposit_fee,
struct TALER_EXCHANGEDB_KycStatus *kyc,
union TALER_AccountPublicKeyP *account_pub)
{
struct PostgresClosure *pg = cls;
enum GNUNET_DB_QueryStatus qs;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (coin_pub),
GNUNET_PQ_query_param_auto_from_type (h_contract_terms),
GNUNET_PQ_query_param_auto_from_type (merchant_pub),
GNUNET_PQ_query_param_end
};
struct TALER_FullPayto payto_uri;
struct TALER_WireSaltP wire_salt;
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_auto_from_type ("wtid_raw",
wtid),
GNUNET_PQ_result_spec_auto_from_type ("wire_salt",
&wire_salt),
GNUNET_PQ_result_spec_string ("payto_uri",
&payto_uri.full_payto),
GNUNET_PQ_result_spec_timestamp ("execution_date",
exec_time),
TALER_PQ_RESULT_SPEC_AMOUNT ("amount_with_fee",
amount_with_fee),
TALER_PQ_RESULT_SPEC_AMOUNT ("fee_deposit",
deposit_fee),
GNUNET_PQ_result_spec_allow_null (
GNUNET_PQ_result_spec_auto_from_type ("target_pub",
account_pub),
NULL),
GNUNET_PQ_result_spec_end
};
memset (kyc,
0,
sizeof (*kyc));
/* check if the aggregation record exists and get it */
PREPARE (pg,
"lookup_deposit_wtid",
"SELECT"
" atr.wtid_raw"
",wire_out.execution_date"
",cdep.amount_with_fee"
",bdep.wire_salt"
",wt.payto_uri"
",wt.target_pub"
",denom.fee_deposit"
" FROM coin_deposits cdep"
" JOIN batch_deposits bdep"
" USING (batch_deposit_serial_id)"
" JOIN wire_targets wt"
" USING (wire_target_h_payto)"
" JOIN aggregation_tracking atr"
" ON (cdep.batch_deposit_serial_id = atr.batch_deposit_serial_id)"
" JOIN known_coins kc"
" ON (kc.coin_pub = cdep.coin_pub)"
" JOIN denominations denom"
" USING (denominations_serial)"
" JOIN wire_out"
" USING (wtid_raw)"
" WHERE cdep.coin_pub=$1"
" AND bdep.merchant_pub=$3"
" AND bdep.h_contract_terms=$2");
/* NOTE: above query might be more efficient if we computed the shard
from the merchant_pub and included that in the query */
qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"lookup_deposit_wtid",
params,
rs);
if (0 > qs)
return qs;
if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT == qs)
{
struct TALER_MerchantWireHashP wh;
TALER_merchant_wire_signature_hash (payto_uri,
&wire_salt,
&wh);
if (0 ==
GNUNET_memcmp (&wh,
h_wire))
{
*pending = false;
kyc->ok = true;
GNUNET_PQ_cleanup_result (rs);
return qs;
}
qs = GNUNET_DB_STATUS_SUCCESS_NO_RESULTS;
GNUNET_PQ_cleanup_result (rs);
}
*pending = true;
memset (wtid,
0,
sizeof (*wtid));
GNUNET_assert (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS == qs);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"lookup_deposit_wtid returned 0 matching rows\n");
{
/* Check if transaction exists in deposits, so that we just
do not have a WTID yet. In that case, return without wtid
(by setting 'pending' true). */
struct GNUNET_PQ_ResultSpec rs2[] = {
GNUNET_PQ_result_spec_auto_from_type ("wire_salt",
&wire_salt),
GNUNET_PQ_result_spec_string ("payto_uri",
&payto_uri.full_payto),
TALER_PQ_RESULT_SPEC_AMOUNT ("amount_with_fee",
amount_with_fee),
TALER_PQ_RESULT_SPEC_AMOUNT ("fee_deposit",
deposit_fee),
GNUNET_PQ_result_spec_timestamp ("wire_deadline",
exec_time),
GNUNET_PQ_result_spec_allow_null (
GNUNET_PQ_result_spec_uint64 ("legitimization_requirement_serial_id",
&kyc->requirement_row),
NULL),
GNUNET_PQ_result_spec_end
};
PREPARE (pg,
"get_deposit_without_wtid",
"SELECT"
" bdep.wire_salt"
",wt.payto_uri"
",cdep.amount_with_fee"
",denom.fee_deposit"
",bdep.wire_deadline"
",agt.legitimization_requirement_serial_id"
" FROM coin_deposits cdep"
" JOIN batch_deposits bdep"
" USING (batch_deposit_serial_id)"
" JOIN wire_targets wt"
" USING (wire_target_h_payto)"
" JOIN known_coins kc"
" ON (kc.coin_pub = cdep.coin_pub)"
" JOIN denominations denom"
" USING (denominations_serial)"
" LEFT JOIN aggregation_transient agt "
" ON ( (bdep.wire_target_h_payto = agt.wire_target_h_payto) AND"
" (bdep.merchant_pub = agt.merchant_pub) )"
" WHERE cdep.coin_pub=$1"
" AND bdep.merchant_pub=$3"
" AND bdep.h_contract_terms=$2"
" LIMIT 1;");
/* NOTE: above query might be more efficient if we computed the shard
from the merchant_pub and included that in the query */
qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"get_deposit_without_wtid",
params,
rs2);
if (0 > qs)
return qs;
if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT == qs)
{
struct TALER_MerchantWireHashP wh;
TALER_merchant_wire_signature_hash (payto_uri,
&wire_salt,
&wh);
if (0 !=
GNUNET_memcmp (&wh,
h_wire))
{
GNUNET_PQ_cleanup_result (rs2);
return GNUNET_DB_STATUS_SUCCESS_NO_RESULTS;
}
GNUNET_PQ_cleanup_result (rs2);
if (0 == kyc->requirement_row)
kyc->ok = true; /* technically: unknown */
}
return qs;
}
}
|
