diff options
Diffstat (limited to 'src/exchangedb/pg_select_purse_merge.c')
-rw-r--r-- | src/exchangedb/pg_select_purse_merge.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/exchangedb/pg_select_purse_merge.c b/src/exchangedb/pg_select_purse_merge.c new file mode 100644 index 000000000..d1f6a5396 --- /dev/null +++ b/src/exchangedb/pg_select_purse_merge.c @@ -0,0 +1,74 @@ +/* + 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_select_purse_merge.c + * @brief Implementation of the select_purse_merge 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_select_purse_merge.h" +#include "pg_helper.h" + + +enum GNUNET_DB_QueryStatus +TEH_PG_select_purse_merge ( + void *cls, + const struct TALER_PurseContractPublicKeyP *purse_pub, + struct TALER_PurseMergeSignatureP *merge_sig, + struct GNUNET_TIME_Timestamp *merge_timestamp, + char **partner_url, + struct TALER_ReservePublicKeyP *reserve_pub) +{ + struct PostgresClosure *pg = cls; + struct GNUNET_PQ_QueryParam params[] = { + GNUNET_PQ_query_param_auto_from_type (purse_pub), + GNUNET_PQ_query_param_end + }; + bool is_null; + struct GNUNET_PQ_ResultSpec rs[] = { + GNUNET_PQ_result_spec_auto_from_type ("merge_sig", + merge_sig), + GNUNET_PQ_result_spec_auto_from_type ("reserve_pub", + reserve_pub), + GNUNET_PQ_result_spec_timestamp ("merge_timestamp", + merge_timestamp), + GNUNET_PQ_result_spec_allow_null ( + GNUNET_PQ_result_spec_string ("partner_base_url", + partner_url), + &is_null), + GNUNET_PQ_result_spec_end + }; + + *partner_url = NULL; + /* Used in #postgres_select_purse_merge */ + PREPARE (pg, + "select_purse_merge", + "SELECT " + " reserve_pub" + ",merge_sig" + ",merge_timestamp" + ",partner_base_url" + " FROM purse_merges" + " LEFT JOIN partners USING (partner_serial_id)" + " WHERE purse_pub=$1;"); + return GNUNET_PQ_eval_prepared_singleton_select (pg->conn, + "select_purse_merge", + params, + rs); +} |