anastasis-db_get_last_auth_iban_payment_row.c (2539B)
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_get_last_auth_iban_payment_row.c 18 * @brief Anastasis database: get last auth iban payment row 19 * @author Christian Grothoff 20 */ 21 #include "platform.h" 22 #include "anastasis-db_pg.h" 23 #include "anastasis/anastasis-database/get_last_auth_iban_payment_row.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 * Function to check the last known IBAN payment. 31 * 32 * @param credit_account which credit account to check 33 * @param[out] last_row set to the last known row 34 * @return transaction status, 35 * #GNUNET_DB_STATUS_SUCCESS_ONE_RESULT if @a cb 36 * returned 'true' once 37 * #GNUNET_DB_STATUS_SUCCESS_NO_RESULTS if no 38 * wire transfers existed for which @a cb returned true 39 */ 40 enum GNUNET_DB_QueryStatus 41 ANASTASIS_DB_get_last_auth_iban_payment_row ( 42 const char *credit_account, 43 uint64_t *last_row) 44 { 45 struct GNUNET_PQ_QueryParam params[] = { 46 GNUNET_PQ_query_param_string (credit_account), 47 GNUNET_PQ_query_param_end 48 }; 49 struct GNUNET_PQ_ResultSpec rs[] = { 50 GNUNET_PQ_result_spec_uint64 ("wire_reference", 51 last_row), 52 GNUNET_PQ_result_spec_end 53 }; 54 55 PREPARE ("get_last_auth_iban_payment", 56 "SELECT " 57 " wire_reference" 58 " FROM anastasis_auth_iban_in" 59 " WHERE credit_account_details=$1" 60 " ORDER BY wire_reference DESC" 61 " LIMIT 1;"); 62 return GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 63 "get_last_auth_iban_payment", 64 params, 65 rs); 66 } 67 68 69 /* end of anastasis-db_get_last_auth_iban_payment_row.c */