Add dex package

2 files changed, 80 insertions, 0 deletions

diff --git a/dex/app.go b/dex/app.go
new file mode 100644
index 000000000..9ab9dd45e
--- /dev/null
+++ b/dex/app.go
@@ -0,0 +1,58 @@
+// 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 dex
+
+import (
+	"time"
+
+	"github.com/dexon-foundation/dexon-consensus-core/common"
+	"github.com/dexon-foundation/dexon-consensus-core/core/types"
+)
+
+// DexconApp implementes the DEXON consensus core application interface.
+type DexconApp struct {
+}
+
+// PreparePayload is called when consensus core is preparing a block.
+func (d *DexconApp) PreparePayloads(position types.Position) [][]byte {
+}
+
+// VerifyPayloads verifies if the payloads are valid.
+func (d *DexconApp) VerifyPayloads(payloads [][]byte) bool {
+}
+
+// BlockConfirmed is called when a block is confirmed and added to lattice.
+func (d *DexconApp) BlockConfirmed(block *types.Block) {
+}
+
+// StronglyAcked is called when a block is strongly acked.
+func (d *DexconApp) StronglyAcked(blockHash common.Hash) {
+}
+
+// TotalOrderingDeliver is called when the total ordering algorithm deliver
+// a set of block.
+func (d *DexconApp) TotalOrderingDeliver(blockHashes common.Hashes, early bool) {
+}
+
+// DeliverBlock is called when a block is add to the compaction chain.
+func (d *DexconApp) DeliverBlock(blockHash common.Hash, timestamp time.Time) {
+}
+
+// NotaryAckDeliver is called when a notary ack is created.
+func (d *DexconApp) NotaryAckDeliver(notaryAck *types.NotaryAck) {
+}
diff --git a/dex/backend.go b/dex/backend.go
new file mode 100644
index 000000000..73a84c139
--- /dev/null
+++ b/dex/backend.go
@@ -0,0 +1,22 @@
+// 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 dex
+
+// Dexon implementes the DEXON fullnode service.
+type Dexon struct {
+}