1 files changed, 52 insertions, 0 deletions
diff --git a/src/exchangedb/pg_do_refund.h b/src/exchangedb/pg_do_refund.h
new file mode 100644
index 000000000..7118858dc
--- /dev/null
+++ b/src/exchangedb/pg_do_refund.h
@@ -0,0 +1,52 @@
+/*
+   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_do_refund.h
+ * @brief implementation of the do_refund function for Postgres
+ * @author Christian Grothoff
+ */
+#ifndef PG_DO_REFUND_H
+#define PG_DO_REFUND_H
+
+#include "taler_util.h"
+#include "taler_json_lib.h"
+#include "taler_exchangedb_plugin.h"
+/**
+ * Perform refund operation, checking for sufficient deposits
+ * of the coin and possibly persisting the refund details.
+ *
+ * @param cls the `struct PostgresClosure` with the plugin-specific state
+ * @param refund refund operation details
+ * @param deposit_fee deposit fee applicable for the coin, possibly refunded
+ * @param known_coin_id row of the coin in the known_coins table
+ * @param[out] not_found set if the deposit was not found
+ * @param[out] refund_ok  set if the refund succeeded (below deposit amount)
+ * @param[out] gone if the merchant was already paid
+ * @param[out] conflict set if the refund ID was re-used
+ * @return query execution status
+ */
+enum GNUNET_DB_QueryStatus
+TEH_PG_do_refund (
+  void *cls,
+  const struct TALER_EXCHANGEDB_Refund *refund,
+  const struct TALER_Amount *deposit_fee,
+  uint64_t known_coin_id,
+  bool *not_found,
+  bool *refund_ok,
+  bool *gone,
+  bool *conflict);
+
+#endif