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author | Christian Grothoff <christian@grothoff.org> | 2022-11-01 00:11:12 +0100 |
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committer | Christian Grothoff <christian@grothoff.org> | 2022-11-01 00:11:12 +0100 |
commit | 7cc7f81d8a716ba82319e256b6c292dc1a4afd86 (patch) | |
tree | 6c98496f597748367985d3d4f5de2dc8caee0f6e /src/auditordb/pg_get_predicted_balance.c | |
parent | d97ef7fcf67cdf986f5cebd854b1688a71c573d5 (diff) | |
download | exchange-7cc7f81d8a716ba82319e256b6c292dc1a4afd86.tar.xz |
split up auditor db plugin into individual files per main query
Diffstat (limited to 'src/auditordb/pg_get_predicted_balance.c')
-rw-r--r-- | src/auditordb/pg_get_predicted_balance.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/src/auditordb/pg_get_predicted_balance.c b/src/auditordb/pg_get_predicted_balance.c new file mode 100644 index 000000000..07d1faae4 --- /dev/null +++ b/src/auditordb/pg_get_predicted_balance.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 pg_get_predicted_balance.c + * @brief Low-level (statement-level) Postgres database access for the exchange + * @author Christian Grothoff + */ +#include "platform.h" +#include "taler_error_codes.h" +#include "taler_dbevents.h" +#include "taler_pq_lib.h" +#include "pg_get_predicted_balance.h" +#include "pg_helper.h" + + +enum GNUNET_DB_QueryStatus +TAH_PG_get_predicted_balance (void *cls, + const struct TALER_MasterPublicKeyP *master_pub, + struct TALER_Amount *balance, + struct TALER_Amount *drained) +{ + struct PostgresClosure *pg = cls; + struct GNUNET_PQ_QueryParam params[] = { + GNUNET_PQ_query_param_auto_from_type (master_pub), + GNUNET_PQ_query_param_end + }; + struct GNUNET_PQ_ResultSpec rs[] = { + TALER_PQ_RESULT_SPEC_AMOUNT ("balance", + balance), + TALER_PQ_RESULT_SPEC_AMOUNT ("drained", + drained), + GNUNET_PQ_result_spec_end + }; + + PREPARE (pg, + "auditor_predicted_result_select", + "SELECT" + " balance_val" + ",balance_frac" + ",drained_val" + ",drained_frac" + " FROM auditor_predicted_result" + " WHERE master_pub=$1;"); + return GNUNET_PQ_eval_prepared_singleton_select (pg->conn, + "auditor_predicted_result_select", + params, + rs); +} |