1 files changed, 49 insertions, 0 deletions
diff --git a/src/exchangedb/pg_do_melt.h b/src/exchangedb/pg_do_melt.h
new file mode 100644
index 000000000..554ce08b2
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+++ b/src/exchangedb/pg_do_melt.h
@@ -0,0 +1,49 @@
+/*
+   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_melt.h
+ * @brief implementation of the do_melt function for Postgres
+ * @author Christian Grothoff
+ */
+#ifndef PG_DO_MELT_H
+#define PG_DO_MELT_H
+
+#include "taler_util.h"
+#include "taler_json_lib.h"
+#include "taler_exchangedb_plugin.h"
+/**
+ * Perform melt operation, checking for sufficient balance
+ * of the coin and possibly persisting the melt details.
+ *
+ * @param cls the `struct PostgresClosure` with the plugin-specific state
+ * @param rms client-contributed input for CS denominations that must be checked for idempotency, or NULL for non-CS withdrawals
+ * @param[in,out] refresh refresh operation details; the noreveal_index
+ *                is set in case the coin was already melted before
+ * @param known_coin_id row of the coin in the known_coins table
+ * @param[in,out] zombie_required true if the melt must only succeed if the coin is a zombie, set to false if the requirement was satisfied
+ * @param[out] balance_ok set to true if the balance was sufficient
+ * @return query execution status
+ */
+enum GNUNET_DB_QueryStatus
+TEH_PG_do_melt (
+  void *cls,
+  const struct TALER_RefreshMasterSecretP *rms,
+  struct TALER_EXCHANGEDB_Refresh *refresh,
+  uint64_t known_coin_id,
+  bool *zombie_required,
+  bool *balance_ok);
+
+#endif