1 files changed, 56 insertions, 0 deletions
diff --git a/vendor/github.com/dexon-foundation/dexon-consensus/core/types/node.go b/vendor/github.com/dexon-foundation/dexon-consensus/core/types/node.go
new file mode 100644
index 000000000..2c90f65c8
--- /dev/null
+++ b/vendor/github.com/dexon-foundation/dexon-consensus/core/types/node.go
@@ -0,0 +1,56 @@
+// Copyright 2018 The dexon-consensus Authors
+// This file is part of the dexon-consensus library.
+//
+// The dexon-consensus 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 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 library. If not, see
+// <http://www.gnu.org/licenses/>.
+
+package types
+
+import (
+	"bytes"
+
+	"github.com/dexon-foundation/dexon-consensus/common"
+	"github.com/dexon-foundation/dexon-consensus/core/crypto"
+)
+
+// NodeID is the ID type for nodes.
+type NodeID struct {
+	common.Hash
+}
+
+// NewNodeID returns a NodeID with Hash set to the hash value of
+// public key.
+func NewNodeID(pubKey crypto.PublicKey) NodeID {
+	return NodeID{Hash: crypto.Keccak256Hash(pubKey.Bytes()[1:])}
+}
+
+// Equal checks if the hash representation is the same NodeID.
+func (v NodeID) Equal(v2 NodeID) bool {
+	return v.Hash == v2.Hash
+}
+
+// NodeIDs implements sort.Interface for NodeID.
+type NodeIDs []NodeID
+
+func (v NodeIDs) Len() int {
+	return len(v)
+}
+
+func (v NodeIDs) Less(i int, j int) bool {
+	return bytes.Compare([]byte(v[i].Hash[:]), []byte(v[j].Hash[:])) == -1
+}
+
+func (v NodeIDs) Swap(i int, j int) {
+	v[i], v[j] = v[j], v[i]
+}