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-rw-r--r--src/exchangedb/pg_drain_kyc_alert.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/src/exchangedb/pg_drain_kyc_alert.c b/src/exchangedb/pg_drain_kyc_alert.c
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+++ b/src/exchangedb/pg_drain_kyc_alert.c
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+/*
+ 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_drain_kyc_alert.c
+ * @brief Implementation of the drain_kyc_alert 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_drain_kyc_alert.h"
+#include "pg_helper.h"
+
+
+enum GNUNET_DB_QueryStatus
+TEH_PG_drain_kyc_alert (void *cls,
+ uint32_t trigger_type,
+ struct TALER_PaytoHashP *h_payto)
+{
+ struct PostgresClosure *pg = cls;
+ struct GNUNET_PQ_QueryParam params[] = {
+ GNUNET_PQ_query_param_uint32 (&trigger_type),
+ GNUNET_PQ_query_param_end
+ };
+ struct GNUNET_PQ_ResultSpec rs[] = {
+ GNUNET_PQ_result_spec_auto_from_type ("h_payto",
+ h_payto),
+ GNUNET_PQ_result_spec_end
+ };
+
+ PREPARE (pg,
+ "drain_kyc_alert",
+ "DELETE FROM kyc_alerts"
+ " WHERE trigger_type=$1"
+ " AND h_payto = "
+ " (SELECT h_payto "
+ " FROM kyc_alerts"
+ " WHERE trigger_type=$1"
+ " LIMIT 1)"
+ " RETURNING h_payto;");
+ return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
+ "drain_kyc_alert",
+ params,
+ rs);
+}