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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/pg_set_purse_balance.c 18 : * @brief Implementation of the set_purse_balance function for Postgres 19 : * @author Christian Grothoff 20 : */ 21 : #include "platform.h" 22 : #include "taler_error_codes.h" 23 : #include "taler_dbevents.h" 24 : #include "taler_pq_lib.h" 25 : #include "pg_set_purse_balance.h" 26 : #include "pg_helper.h" 27 : 28 : 29 : enum GNUNET_DB_QueryStatus 30 0 : TEH_PG_set_purse_balance ( 31 : void *cls, 32 : const struct TALER_PurseContractPublicKeyP *purse_pub, 33 : const struct TALER_Amount *balance) 34 : { 35 0 : struct PostgresClosure *pg = cls; 36 0 : struct GNUNET_PQ_QueryParam params[] = { 37 0 : GNUNET_PQ_query_param_auto_from_type (purse_pub), 38 0 : TALER_PQ_query_param_amount (pg->conn, 39 : balance), 40 : GNUNET_PQ_query_param_end 41 : }; 42 : 43 0 : PREPARE (pg, 44 : "set_purse_balance", 45 : "UPDATE purse_requests" 46 : " SET balance=$2" 47 : " WHERE purse_pub=$1;"); 48 : 49 0 : return GNUNET_PQ_eval_prepared_non_select (pg->conn, 50 : "set_purse_balance", 51 : params); 52 : }