anastasis-db_check_payment_identifier.c (2633B)
1 /* 2 This file is part of Anastasis 3 Copyright (C) 2020-2022 Anastasis SARL 4 5 Anastasis is free software; you can redistribute it and/or modify it under the 6 terms of the GNU Affero General Public License as published by the Free Software 7 Foundation; either version 3, or (at your option) any later version. 8 9 Anastasis 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 Affero General Public License for more details. 12 13 You should have received a copy of the GNU Affero General Public License along with 14 Anastasis; see the file COPYING.GPL. If not, see <http://www.gnu.org/licenses/> 15 */ 16 /** 17 * @file stasis/anastasis-db_check_payment_identifier.c 18 * @brief Anastasis database: check payment identifier 19 * @author Christian Grothoff 20 */ 21 #include "platform.h" 22 #include "anastasis-db_pg.h" 23 #include "anastasis/anastasis-database/check_payment_identifier.h" 24 #include "anastasis/anastasis-database/transaction.h" 25 #include "anastasis/anastasis-database/preflight.h" 26 #include <taler/taler_pq_lib.h> 27 28 29 /** 30 * Check payment identifier. Used to check if a payment identifier given by 31 * the user is valid (existing and paid). 32 * 33 * @param payment_secret payment secret which the user must provide with every upload 34 * @param[out] paid bool value to show if payment is paid 35 * @param[out] valid_counter bool value to show if post_counter is > 0 36 * @return transaction status 37 */ 38 enum GNUNET_DB_QueryStatus 39 ANASTASIS_DB_check_payment_identifier ( 40 const struct ANASTASIS_PaymentSecretP *payment_secret, 41 bool *paid, 42 bool *valid_counter) 43 { 44 struct GNUNET_PQ_QueryParam params[] = { 45 GNUNET_PQ_query_param_auto_from_type (payment_secret), 46 GNUNET_PQ_query_param_end 47 }; 48 struct GNUNET_PQ_ResultSpec rs[] = { 49 GNUNET_PQ_result_spec_bool ("paid", 50 paid), 51 GNUNET_PQ_result_spec_bool ("valid_counter", 52 valid_counter), 53 GNUNET_PQ_result_spec_end 54 }; 55 56 PREPARE ("recdoc_payment_select", 57 "SELECT" 58 " creation_date" 59 ",post_counter > 0 AS valid_counter" 60 ",amount" 61 ",paid" 62 " FROM anastasis_recdoc_payment" 63 " WHERE payment_identifier=$1;"); 64 return GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 65 "recdoc_payment_select", 66 params, 67 rs); 68 } 69 70 71 /* end of anastasis-db_check_payment_identifier.c */