set_purse_balance.c (1703B)
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/set_purse_balance.c 18 * @brief Implementation of the set_purse_balance function for Postgres 19 * @author Christian Grothoff 20 */ 21 #include "taler/taler_pq_lib.h" 22 #include "exchange-database/set_purse_balance.h" 23 #include "helper.h" 24 25 26 enum GNUNET_DB_QueryStatus 27 TALER_EXCHANGEDB_set_purse_balance ( 28 struct TALER_EXCHANGEDB_PostgresContext *pg, 29 const struct TALER_PurseContractPublicKeyP *purse_pub, 30 const struct TALER_Amount *balance) 31 { 32 struct GNUNET_PQ_QueryParam params[] = { 33 GNUNET_PQ_query_param_auto_from_type (purse_pub), 34 TALER_PQ_query_param_amount (pg->conn, 35 balance), 36 GNUNET_PQ_query_param_end 37 }; 38 39 PREPARE (pg, 40 "set_purse_balance", 41 "UPDATE purse_requests" 42 " SET balance=$2" 43 " WHERE purse_pub=$1;"); 44 45 return GNUNET_PQ_eval_prepared_non_select (pg->conn, 46 "set_purse_balance", 47 params); 48 }