1 files changed, 45 insertions, 0 deletions
diff --git a/src/exchangedb/pg_ensure_coin_known.h b/src/exchangedb/pg_ensure_coin_known.h
new file mode 100644
index 000000000..68c101735
--- /dev/null
+++ b/src/exchangedb/pg_ensure_coin_known.h
@@ -0,0 +1,45 @@
+/*
+   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_ensure_coin_known.h
+ * @brief implementation of the ensure_coin_known function for Postgres
+ * @author Christian Grothoff
+ */
+#ifndef PG_ENSURE_COIN_KNOWN_H
+#define PG_ENSURE_COIN_KNOWN_H
+
+#include "taler_util.h"
+#include "taler_json_lib.h"
+#include "taler_exchangedb_plugin.h"
+/**
+ * Make sure the given @a coin is known to the database.
+ *
+ * @param cls database connection plugin state
+ * @param coin the coin that must be made known
+ * @param[out] known_coin_id set to the unique row of the coin
+ * @param[out] denom_hash set to the denomination hash of the existing
+ *             coin (for conflict error reporting)
+ * @param[out] h_age_commitment  set to the conflicting age commitment hash on conflict
+ * @return database transaction status, non-negative on success
+ */
+enum TALER_EXCHANGEDB_CoinKnownStatus
+TEH_PG_ensure_coin_known (void *cls,
+                          const struct TALER_CoinPublicInfo *coin,
+                          uint64_t *known_coin_id,
+                          struct TALER_DenominationHashP *denom_hash,
+                          struct TALER_AgeCommitmentHash *h_age_commitment);
+
+#endif