1 files changed, 27 insertions, 0 deletions
diff --git a/core/application.go b/core/application.go
new file mode 100644
index 0000000..7eca66e
--- /dev/null
+++ b/core/application.go
@@ -0,0 +1,27 @@
+// Copyright 2018 The dexon-consensus-core Authors
+// This file is part of the dexon-consensus-core library.
+//
+// The dexon-consensus-core library is free software: you can redistribute it
+// and/or modify it under the terms of the GNU Lesser General Public License as
+// published by the Free Software Foundation, either version 3 of the License,
+// or (at your option) any later version.
+//
+// The dexon-consensus-core library 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 Lesser
+// General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the dexon-consensus-core library. If not, see
+// <http://www.gnu.org/licenses/>.
+
+package core
+
+import "github.com/dexon-foundation/dexon-consensus-core/core/types"
+
+// Application describes the application interface that interacts with DEXON
+// consensus core.
+type Application interface {
+	ValidateBlock(b *types.Block) bool
+	Deliver(blocks []*types.Block, early bool)
+}