get_purse_deposit.c (3134B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2022 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/get_purse_deposit.c 18 * @brief Implementation of the get_purse_deposit function for Postgres 19 * @author Christian Grothoff 20 */ 21 #include "taler/taler_pq_lib.h" 22 #include "exchange-database/get_purse_deposit.h" 23 #include "helper.h" 24 25 enum GNUNET_DB_QueryStatus 26 TALER_EXCHANGEDB_get_purse_deposit ( 27 struct TALER_EXCHANGEDB_PostgresContext *pg, 28 const struct TALER_PurseContractPublicKeyP *purse_pub, 29 const struct TALER_CoinSpendPublicKeyP *coin_pub, 30 struct TALER_Amount *amount, 31 struct TALER_DenominationHashP *h_denom_pub, 32 struct TALER_AgeCommitmentHashP *phac, 33 bool *no_age_commitment, 34 struct TALER_CoinSpendSignatureP *coin_sig, 35 char **partner_url) 36 { 37 struct GNUNET_PQ_QueryParam params[] = { 38 GNUNET_PQ_query_param_auto_from_type (purse_pub), 39 GNUNET_PQ_query_param_auto_from_type (coin_pub), 40 GNUNET_PQ_query_param_end 41 }; 42 bool is_null; 43 struct GNUNET_PQ_ResultSpec rs[] = { 44 GNUNET_PQ_result_spec_auto_from_type ("denom_pub_hash", 45 h_denom_pub), 46 GNUNET_PQ_result_spec_allow_null ( 47 GNUNET_PQ_result_spec_auto_from_type ("age_commitment_hash", 48 phac), 49 no_age_commitment), 50 GNUNET_PQ_result_spec_auto_from_type ("coin_sig", 51 coin_sig), 52 TALER_PQ_RESULT_SPEC_AMOUNT ("amount_with_fee", 53 amount), 54 GNUNET_PQ_result_spec_allow_null ( 55 GNUNET_PQ_result_spec_string ("partner_base_url", 56 partner_url), 57 &is_null), 58 GNUNET_PQ_result_spec_end 59 }; 60 61 *partner_url = NULL; 62 PREPARE (pg, 63 "get_purse_deposit", 64 "SELECT " 65 " coin_sig" 66 ",amount_with_fee" 67 ",denom_pub_hash" 68 ",age_commitment_hash" 69 ",partner_base_url" 70 " FROM purse_deposits" 71 " LEFT JOIN partners" 72 " USING (partner_serial_id)" 73 " JOIN known_coins kc" 74 " USING (coin_pub)" 75 " JOIN denominations" 76 " USING (denominations_serial)" 77 " WHERE purse_pub=$1" 78 " AND coin_pub=$2;"); 79 return GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 80 "get_purse_deposit", 81 params, 82 rs); 83 }