1 files changed, 29 insertions, 0 deletions
diff --git a/src/node/types.h b/src/node/types.h
new file mode 100644
index 0000000000..0461e85f43
--- /dev/null
+++ b/src/node/types.h
@@ -0,0 +1,29 @@
+// Copyright (c) 2010-2021 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+//! @file node/types.h is a home for public enum and struct type definitions
+//! that are used by internally by node code, but also used externally by wallet
+//! or GUI code.
+//!
+//! This file is intended to define only simple types that do not have external
+//! dependencies. More complicated types should be defined in dedicated header
+//! files.
+
+#ifndef BITCOIN_NODE_TYPES_H
+#define BITCOIN_NODE_TYPES_H
+
+namespace node {
+enum class TransactionError {
+    OK, //!< No error
+    MISSING_INPUTS,
+    ALREADY_IN_CHAIN,
+    MEMPOOL_REJECTED,
+    MEMPOOL_ERROR,
+    MAX_FEE_EXCEEDED,
+    MAX_BURN_EXCEEDED,
+    INVALID_PACKAGE,
+};
+} // namespace node
+
+#endif // BITCOIN_NODE_TYPES_H