1 files changed, 56 insertions, 0 deletions
diff --git a/src/exchangedb/pg_do_recoup.h b/src/exchangedb/pg_do_recoup.h
new file mode 100644
index 000000000..2cf3eb976
--- /dev/null
+++ b/src/exchangedb/pg_do_recoup.h
@@ -0,0 +1,56 @@
+/*
+   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_recoup.h
+ * @brief implementation of the do_recoup function for Postgres
+ * @author Christian Grothoff
+ */
+#ifndef PG_DO_RECOUP_H
+#define PG_DO_RECOUP_H
+
+#include "taler_util.h"
+#include "taler_json_lib.h"
+#include "taler_exchangedb_plugin.h"
+/**
+ * Perform recoup operation, checking for sufficient deposits
+ * of the coin and possibly persisting the recoup details.
+ *
+ * @param cls the `struct PostgresClosure` with the plugin-specific state
+ * @param reserve_pub public key of the reserve to credit
+ * @param reserve_out_serial_id row in the reserves_out table justifying the recoup
+ * @param coin_bks coin blinding key secret to persist
+ * @param coin_pub public key of the coin being recouped
+ * @param known_coin_id row of the @a coin_pub in the known_coins table
+ * @param coin_sig signature of the coin requesting the recoup
+ * @param[in,out] recoup_timestamp recoup timestamp, set if recoup existed
+ * @param[out] recoup_ok  set if the recoup succeeded (balance ok)
+ * @param[out] internal_failure set on internal failures
+ * @return query execution status
+ */
+enum GNUNET_DB_QueryStatus
+TEH_PG_do_recoup (
+  void *cls,
+  const struct TALER_ReservePublicKeyP *reserve_pub,
+  uint64_t reserve_out_serial_id,
+  const union GNUNET_CRYPTO_BlindingSecretP *coin_bks,
+  const struct TALER_CoinSpendPublicKeyP *coin_pub,
+  uint64_t known_coin_id,
+  const struct TALER_CoinSpendSignatureP *coin_sig,
+  struct GNUNET_TIME_Timestamp *recoup_timestamp,
+  bool *recoup_ok,
+  bool *internal_failure);
+
+#endif