add license info for each source file

1 files changed, 17 insertions, 0 deletions

diff --git a/src/consensus.cpp b/src/consensus.cpp
index dbe79b0..8b21064 100644
--- a/src/consensus.cpp
+++ b/src/consensus.cpp
@@ -1,3 +1,20 @@
+/**
+ * Copyright 2018 VMware
+ * Copyright 2018 Ted Yin
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include <cassert>
 #include <stack>