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Diffstat (limited to 'src/exchangedb/pg_get_global_fee.c')
-rw-r--r-- | src/exchangedb/pg_get_global_fee.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/exchangedb/pg_get_global_fee.c b/src/exchangedb/pg_get_global_fee.c new file mode 100644 index 000000000..6f6bbafef --- /dev/null +++ b/src/exchangedb/pg_get_global_fee.c @@ -0,0 +1,91 @@ +/* + 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_global_fee.c + * @brief Implementation of the get_global_fee 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_global_fee.h" +#include "pg_helper.h" + + +enum GNUNET_DB_QueryStatus +TEH_PG_get_global_fee (void *cls, + struct GNUNET_TIME_Timestamp date, + struct GNUNET_TIME_Timestamp *start_date, + struct GNUNET_TIME_Timestamp *end_date, + struct TALER_GlobalFeeSet *fees, + struct GNUNET_TIME_Relative *purse_timeout, + struct GNUNET_TIME_Relative *history_expiration, + uint32_t *purse_account_limit, + struct TALER_MasterSignatureP *master_sig) +{ + struct PostgresClosure *pg = cls; + struct GNUNET_PQ_QueryParam params[] = { + GNUNET_PQ_query_param_timestamp (&date), + GNUNET_PQ_query_param_end + }; + struct GNUNET_PQ_ResultSpec rs[] = { + GNUNET_PQ_result_spec_timestamp ("start_date", + start_date), + GNUNET_PQ_result_spec_timestamp ("end_date", + end_date), + TALER_PQ_RESULT_SPEC_AMOUNT ("history_fee", + &fees->history), + TALER_PQ_RESULT_SPEC_AMOUNT ("account_fee", + &fees->account), + TALER_PQ_RESULT_SPEC_AMOUNT ("purse_fee", + &fees->purse), + GNUNET_PQ_result_spec_relative_time ("purse_timeout", + purse_timeout), + GNUNET_PQ_result_spec_relative_time ("history_expiration", + history_expiration), + GNUNET_PQ_result_spec_uint32 ("purse_account_limit", + purse_account_limit), + GNUNET_PQ_result_spec_auto_from_type ("master_sig", + master_sig), + GNUNET_PQ_result_spec_end + }; + + + /* Used in #postgres_get_global_fee() */ + PREPARE(pg, + "get_global_fee", + "SELECT " + " start_date" + ",end_date" + ",history_fee_val" + ",history_fee_frac" + ",account_fee_val" + ",account_fee_frac" + ",purse_fee_val" + ",purse_fee_frac" + ",purse_timeout" + ",history_expiration" + ",purse_account_limit" + ",master_sig" + " FROM global_fee" + " WHERE start_date <= $1" + " AND end_date > $1;"); + return GNUNET_PQ_eval_prepared_singleton_select (pg->conn, + "get_global_fee", + params, + rs); +} |