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-rw-r--r--src/exchangedb/pg_get_denomination_info.c91
1 files changed, 91 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..4bae29795
--- /dev/null
+++ b/src/exchangedb/pg_get_denomination_info.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_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
+ };
+
+ PREPARE (pg,
+ "denomination_get",
+ "SELECT"
+ " master_sig"
+ ",valid_from"
+ ",expire_withdraw"
+ ",expire_deposit"
+ ",expire_legal"
+ ",coin" /* value of this denom */
+ ",fee_withdraw"
+ ",fee_deposit"
+ ",fee_refresh"
+ ",fee_refund"
+ ",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;
+}