diff options
Diffstat (limited to 'src/auditordb/pg_get_denomination_balance.c')
-rw-r--r-- | src/auditordb/pg_get_denomination_balance.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/auditordb/pg_get_denomination_balance.c b/src/auditordb/pg_get_denomination_balance.c new file mode 100644 index 000000000..10d5a4be7 --- /dev/null +++ b/src/auditordb/pg_get_denomination_balance.c @@ -0,0 +1,72 @@ +/* + 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_denomination_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_denomination_balance.h" +#include "pg_helper.h" + + +enum GNUNET_DB_QueryStatus +TAH_PG_get_denomination_balance ( + void *cls, + const struct TALER_DenominationHashP *denom_pub_hash, + struct TALER_AUDITORDB_DenominationCirculationData *dcd) +{ + struct PostgresClosure *pg = cls; + struct GNUNET_PQ_QueryParam params[] = { + GNUNET_PQ_query_param_auto_from_type (denom_pub_hash), + GNUNET_PQ_query_param_end + }; + struct GNUNET_PQ_ResultSpec rs[] = { + TALER_PQ_RESULT_SPEC_AMOUNT ("denom_balance", + &dcd->denom_balance), + TALER_PQ_RESULT_SPEC_AMOUNT ("denom_loss", + &dcd->denom_loss), + TALER_PQ_RESULT_SPEC_AMOUNT ("denom_risk", + &dcd->denom_risk), + TALER_PQ_RESULT_SPEC_AMOUNT ("recoup_loss", + &dcd->recoup_loss), + GNUNET_PQ_result_spec_uint64 ("num_issued", + &dcd->num_issued), + GNUNET_PQ_result_spec_end + }; + + PREPARE (pg, + "auditor_denomination_pending_select", + "SELECT" + " denom_balance_val" + ",denom_balance_frac" + ",denom_loss_val" + ",denom_loss_frac" + ",num_issued" + ",denom_risk_val" + ",denom_risk_frac" + ",recoup_loss_val" + ",recoup_loss_frac" + " FROM auditor_denomination_pending" + " WHERE denom_pub_hash=$1"); + return GNUNET_PQ_eval_prepared_singleton_select (pg->conn, + "auditor_denomination_pending_select", + params, + rs); +} |