pg_select_coin_deposits_above_serial_id.c (7080B)
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 coin_deposit_serial_helper_cb (void *cls, 66 PGresult *result, 67 unsigned int num_results) 68 { 69 struct CoinDepositSerialContext *dsc = cls; 70 struct PostgresClosure *pg = dsc->pg; 71 72 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 struct GNUNET_PQ_ResultSpec rs[] = { 80 TALER_PQ_RESULT_SPEC_AMOUNT ("amount_with_fee", 81 &deposit.amount_with_fee), 82 GNUNET_PQ_result_spec_timestamp ("wallet_timestamp", 83 &deposit.timestamp), 84 GNUNET_PQ_result_spec_timestamp ("exchange_timestamp", 85 &exchange_timestamp), 86 GNUNET_PQ_result_spec_auto_from_type ("merchant_pub", 87 &deposit.merchant_pub), 88 TALER_PQ_result_spec_denom_pub ("denom_pub", 89 &denom_pub), 90 GNUNET_PQ_result_spec_auto_from_type ("coin_pub", 91 &deposit.coin.coin_pub), 92 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 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 GNUNET_PQ_result_spec_auto_from_type ("coin_sig", 101 &deposit.csig), 102 GNUNET_PQ_result_spec_timestamp ("refund_deadline", 103 &deposit.refund_deadline), 104 GNUNET_PQ_result_spec_timestamp ("wire_deadline", 105 &deposit.wire_deadline), 106 GNUNET_PQ_result_spec_auto_from_type ("h_contract_terms", 107 &deposit.h_contract_terms), 108 GNUNET_PQ_result_spec_auto_from_type ("wire_salt", 109 &deposit.wire_salt), 110 GNUNET_PQ_result_spec_string ("receiver_wire_account", 111 &deposit.receiver_wire_account.full_payto), 112 GNUNET_PQ_result_spec_bool ("done", 113 &done), 114 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 memset (&deposit, 121 0, 122 sizeof (deposit)); 123 if (GNUNET_OK != 124 GNUNET_PQ_extract_result (result, 125 rs, 126 i)) 127 { 128 GNUNET_break (0); 129 dsc->status = GNUNET_SYSERR; 130 return; 131 } 132 ret = dsc->cb (dsc->cb_cls, 133 rowid, 134 exchange_timestamp, 135 &deposit, 136 &denom_pub, 137 done); 138 GNUNET_PQ_cleanup_result (rs); 139 if (GNUNET_OK != ret) 140 break; 141 } 142 } 143 144 145 enum GNUNET_DB_QueryStatus 146 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 struct PostgresClosure *pg = cls; 153 struct GNUNET_PQ_QueryParam params[] = { 154 GNUNET_PQ_query_param_uint64 (&serial_id), 155 GNUNET_PQ_query_param_end 156 }; 157 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 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 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 if (GNUNET_OK != dsc.status) 202 return GNUNET_DB_STATUS_HARD_ERROR; 203 return qs; 204 }