Line data Source code
1 : /*
2 : This file is part of TALER
3 : Copyright (C) 2022-2023 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_select_coin_deposits_above_serial_id.c
18 : * @brief Implementation of the select_coin_deposits_above_serial_id function for Postgres
19 : * @author Christian Grothoff
20 : */
21 : #include "taler/platform.h"
22 : #include "taler/taler_error_codes.h"
23 : #include "taler/taler_dbevents.h"
24 : #include "taler/taler_pq_lib.h"
25 : #include "pg_select_coin_deposits_above_serial_id.h"
26 : #include "pg_helper.h"
27 :
28 : /**
29 : * Closure for #deposit_serial_helper_cb().
30 : */
31 : struct CoinDepositSerialContext
32 : {
33 :
34 : /**
35 : * Callback to call.
36 : */
37 : TALER_EXCHANGEDB_DepositCallback cb;
38 :
39 : /**
40 : * Closure for @e cb.
41 : */
42 : void *cb_cls;
43 :
44 : /**
45 : * Plugin context.
46 : */
47 : struct PostgresClosure *pg;
48 :
49 : /**
50 : * Status code, set to #GNUNET_SYSERR on hard errors.
51 : */
52 : enum GNUNET_GenericReturnValue status;
53 : };
54 :
55 :
56 : /**
57 : * Helper function to be called with the results of a SELECT statement
58 : * that has returned @a num_results results.
59 : *
60 : * @param cls closure of type `struct CoinDepositSerialContext`
61 : * @param result the postgres result
62 : * @param num_results the number of results in @a result
63 : */
64 : static void
65 74 : coin_deposit_serial_helper_cb (void *cls,
66 : PGresult *result,
67 : unsigned int num_results)
68 : {
69 74 : struct CoinDepositSerialContext *dsc = cls;
70 74 : struct PostgresClosure *pg = dsc->pg;
71 :
72 173 : for (unsigned int i = 0; i<num_results; i++)
73 : {
74 : struct TALER_EXCHANGEDB_Deposit deposit;
75 : struct GNUNET_TIME_Timestamp exchange_timestamp;
76 : struct TALER_DenominationPublicKey denom_pub;
77 : bool done;
78 : uint64_t rowid;
79 99 : struct GNUNET_PQ_ResultSpec rs[] = {
80 99 : TALER_PQ_RESULT_SPEC_AMOUNT ("amount_with_fee",
81 : &deposit.amount_with_fee),
82 99 : GNUNET_PQ_result_spec_timestamp ("wallet_timestamp",
83 : &deposit.timestamp),
84 99 : GNUNET_PQ_result_spec_timestamp ("exchange_timestamp",
85 : &exchange_timestamp),
86 99 : GNUNET_PQ_result_spec_auto_from_type ("merchant_pub",
87 : &deposit.merchant_pub),
88 99 : TALER_PQ_result_spec_denom_pub ("denom_pub",
89 : &denom_pub),
90 99 : GNUNET_PQ_result_spec_auto_from_type ("coin_pub",
91 : &deposit.coin.coin_pub),
92 99 : GNUNET_PQ_result_spec_allow_null (
93 : GNUNET_PQ_result_spec_auto_from_type ("age_commitment_hash",
94 : &deposit.coin.h_age_commitment),
95 : &deposit.coin.no_age_commitment),
96 99 : GNUNET_PQ_result_spec_allow_null (
97 : GNUNET_PQ_result_spec_auto_from_type ("wallet_data_hash",
98 : &deposit.wallet_data_hash),
99 : &deposit.no_wallet_data_hash),
100 99 : GNUNET_PQ_result_spec_auto_from_type ("coin_sig",
101 : &deposit.csig),
102 99 : GNUNET_PQ_result_spec_timestamp ("refund_deadline",
103 : &deposit.refund_deadline),
104 99 : GNUNET_PQ_result_spec_timestamp ("wire_deadline",
105 : &deposit.wire_deadline),
106 99 : GNUNET_PQ_result_spec_auto_from_type ("h_contract_terms",
107 : &deposit.h_contract_terms),
108 99 : GNUNET_PQ_result_spec_auto_from_type ("wire_salt",
109 : &deposit.wire_salt),
110 99 : GNUNET_PQ_result_spec_string ("receiver_wire_account",
111 : &deposit.receiver_wire_account.full_payto),
112 99 : GNUNET_PQ_result_spec_bool ("done",
113 : &done),
114 99 : GNUNET_PQ_result_spec_uint64 ("coin_deposit_serial_id",
115 : &rowid),
116 : GNUNET_PQ_result_spec_end
117 : };
118 : enum GNUNET_GenericReturnValue ret;
119 :
120 99 : memset (&deposit,
121 : 0,
122 : sizeof (deposit));
123 99 : if (GNUNET_OK !=
124 99 : GNUNET_PQ_extract_result (result,
125 : rs,
126 : i))
127 : {
128 0 : GNUNET_break (0);
129 0 : dsc->status = GNUNET_SYSERR;
130 0 : return;
131 : }
132 99 : ret = dsc->cb (dsc->cb_cls,
133 : rowid,
134 : exchange_timestamp,
135 : &deposit,
136 : &denom_pub,
137 : done);
138 99 : GNUNET_PQ_cleanup_result (rs);
139 99 : if (GNUNET_OK != ret)
140 0 : break;
141 : }
142 : }
143 :
144 :
145 : enum GNUNET_DB_QueryStatus
146 74 : TEH_PG_select_coin_deposits_above_serial_id (
147 : void *cls,
148 : uint64_t serial_id,
149 : TALER_EXCHANGEDB_DepositCallback cb,
150 : void *cb_cls)
151 : {
152 74 : struct PostgresClosure *pg = cls;
153 74 : struct GNUNET_PQ_QueryParam params[] = {
154 74 : GNUNET_PQ_query_param_uint64 (&serial_id),
155 : GNUNET_PQ_query_param_end
156 : };
157 74 : struct CoinDepositSerialContext dsc = {
158 : .cb = cb,
159 : .cb_cls = cb_cls,
160 : .pg = pg,
161 : .status = GNUNET_OK
162 : };
163 : enum GNUNET_DB_QueryStatus qs;
164 :
165 : /* Fetch deposits with rowid '\geq' the given parameter */
166 74 : PREPARE (pg,
167 : "audit_get_coin_deposits_incr",
168 : "SELECT"
169 : " cdep.amount_with_fee"
170 : ",bdep.wallet_timestamp"
171 : ",bdep.exchange_timestamp"
172 : ",bdep.merchant_pub"
173 : ",bdep.wallet_data_hash"
174 : ",denom.denom_pub"
175 : ",kc.coin_pub"
176 : ",kc.age_commitment_hash"
177 : ",cdep.coin_sig"
178 : ",bdep.refund_deadline"
179 : ",bdep.wire_deadline"
180 : ",bdep.h_contract_terms"
181 : ",bdep.wire_salt"
182 : ",wt.payto_uri AS receiver_wire_account"
183 : ",bdep.done"
184 : ",cdep.coin_deposit_serial_id"
185 : " FROM coin_deposits cdep"
186 : " JOIN batch_deposits bdep"
187 : " USING (batch_deposit_serial_id)"
188 : " JOIN wire_targets wt"
189 : " USING (wire_target_h_payto)"
190 : " JOIN known_coins kc"
191 : " USING (coin_pub)"
192 : " JOIN denominations denom"
193 : " USING (denominations_serial)"
194 : " WHERE (coin_deposit_serial_id>=$1)"
195 : " ORDER BY coin_deposit_serial_id ASC;");
196 74 : qs = GNUNET_PQ_eval_prepared_multi_select (pg->conn,
197 : "audit_get_coin_deposits_incr",
198 : params,
199 : &coin_deposit_serial_helper_cb,
200 : &dsc);
201 74 : if (GNUNET_OK != dsc.status)
202 0 : return GNUNET_DB_STATUS_HARD_ERROR;
203 74 : return qs;
204 : }
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