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Diffstat (limited to 'src/exchangedb/pg_reserves_get.c')
-rw-r--r-- | src/exchangedb/pg_reserves_get.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/src/exchangedb/pg_reserves_get.c b/src/exchangedb/pg_reserves_get.c new file mode 100644 index 000000000..bea0022dd --- /dev/null +++ b/src/exchangedb/pg_reserves_get.c @@ -0,0 +1,61 @@ +/* + This file is part of TALER + Copyright (C) 2022 Taler Systems SA + + TALER is free software; you can redistribute it and/or modify it under the + terms of the GNU General Public License as published by the Free Software + Foundation; either version 3, or (at your option) any later version. + + TALER is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR + A PARTICULAR PURPOSE. See the GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along with + TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/> + */ +/** + * @file exchangedb/pg_reserves_get.c + * @brief Implementation of the reserves_get function for Postgres + * @author Christian Grothoff + */ +#include "platform.h" +#include "taler_error_codes.h" +#include "taler_dbevents.h" +#include "taler_pq_lib.h" +#include "pg_reserves_get.h" +#include "pg_helper.h" + +enum GNUNET_DB_QueryStatus +TEH_PG_reserves_get (void *cls, + struct TALER_EXCHANGEDB_Reserve *reserve) +{ + struct PostgresClosure *pg = cls; + struct GNUNET_PQ_QueryParam params[] = { + GNUNET_PQ_query_param_auto_from_type (&reserve->pub), + GNUNET_PQ_query_param_end + }; + struct GNUNET_PQ_ResultSpec rs[] = { + TALER_PQ_RESULT_SPEC_AMOUNT ("current_balance", + &reserve->balance), + GNUNET_PQ_result_spec_timestamp ("expiration_date", + &reserve->expiry), + GNUNET_PQ_result_spec_timestamp ("gc_date", + &reserve->gc), + GNUNET_PQ_result_spec_end + }; + /* Used in #postgres_reserves_get() */ + PREPARE (pg, + "reserves_get", + "SELECT" + " current_balance_val" + ",current_balance_frac" + ",expiration_date" + ",gc_date" + " FROM reserves" + " WHERE reserve_pub=$1" + " LIMIT 1;"); + return GNUNET_PQ_eval_prepared_singleton_select (pg->conn, + "reserves_get", + params, + rs); +} |