diff options
Diffstat (limited to 'src/exchangedb/pg_get_denomination_info.c')
-rw-r--r-- | src/exchangedb/pg_get_denomination_info.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/exchangedb/pg_get_denomination_info.c b/src/exchangedb/pg_get_denomination_info.c new file mode 100644 index 000000000..97250b621 --- /dev/null +++ b/src/exchangedb/pg_get_denomination_info.c @@ -0,0 +1,99 @@ +/* + 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_get_denomination_info.c + * @brief Implementation of the get_denomination_info 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_get_denomination_info.h" +#include "pg_helper.h" + + +enum GNUNET_DB_QueryStatus +TEH_PG_get_denomination_info ( + void *cls, + const struct TALER_DenominationHashP *denom_pub_hash, + struct TALER_EXCHANGEDB_DenominationKeyInformation *issue) +{ + struct PostgresClosure *pg = cls; + enum GNUNET_DB_QueryStatus qs; + 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[] = { + GNUNET_PQ_result_spec_auto_from_type ("master_sig", + &issue->signature), + GNUNET_PQ_result_spec_timestamp ("valid_from", + &issue->start), + GNUNET_PQ_result_spec_timestamp ("expire_withdraw", + &issue->expire_withdraw), + GNUNET_PQ_result_spec_timestamp ("expire_deposit", + &issue->expire_deposit), + GNUNET_PQ_result_spec_timestamp ("expire_legal", + &issue->expire_legal), + TALER_PQ_RESULT_SPEC_AMOUNT ("coin", + &issue->value), + TALER_PQ_RESULT_SPEC_AMOUNT ("fee_withdraw", + &issue->fees.withdraw), + TALER_PQ_RESULT_SPEC_AMOUNT ("fee_deposit", + &issue->fees.deposit), + TALER_PQ_RESULT_SPEC_AMOUNT ("fee_refresh", + &issue->fees.refresh), + TALER_PQ_RESULT_SPEC_AMOUNT ("fee_refund", + &issue->fees.refund), + GNUNET_PQ_result_spec_uint32 ("age_mask", + &issue->age_mask.bits), + GNUNET_PQ_result_spec_end + }; + + + /* Used in #postgres_get_denomination_info() */ + PREPARE (pg, + "denomination_get", + "SELECT" + " master_sig" + ",valid_from" + ",expire_withdraw" + ",expire_deposit" + ",expire_legal" + ",coin_val" /* value of this denom */ + ",coin_frac" /* fractional value of this denom */ + ",fee_withdraw_val" + ",fee_withdraw_frac" + ",fee_deposit_val" + ",fee_deposit_frac" + ",fee_refresh_val" + ",fee_refresh_frac" + ",fee_refund_val" + ",fee_refund_frac" + ",age_mask" + " FROM denominations" + " WHERE denom_pub_hash=$1;"); + qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn, + "denomination_get", + params, + rs); + if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != qs) + return qs; + issue->denom_hash = *denom_pub_hash; + return qs; +} + |