[misc] add one comment

Signed-off-by: Leo Chen <leo@harmony.one>
4 years ago · 60f7237c65
parent 55f6c29045
commit 60f7237c65
1 changed files with 1 additions and 0 deletions
--- a/consensus/view_change.go
+++ b/consensus/view_change.go
@ -216,6 +216,7 @@ func (consensus *Consensus) onViewChange(msg *msg_pb.Message) {
 		preparedMsgs := consensus.FBFTLog.GetMessagesByTypeSeq(
 			msg_pb.MessageType_PREPARED, recvMsg.BlockNum,
 		)
+		// search for local prepared msg and add one if not found
 		preparedMsg := consensus.FBFTLog.FindMessageByViewID(preparedMsgs, recvMsg.ViewID)
 		if preparedMsg == nil {
 			// create prepared message for new leader