From 7afcf92539867f74161b705e69f3637b05f48d1c Mon Sep 17 00:00:00 2001
From: Ethan Buchman <ethan@coinculture.info>
Date: Tue, 13 Sep 2016 16:24:31 -0400
Subject: [PATCH] consensus: fix panic on POLRound=-1

---
 consensus/reactor.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/consensus/reactor.go b/consensus/reactor.go
index d98955740..dc9fe2c3f 100644
--- a/consensus/reactor.go
+++ b/consensus/reactor.go
@@ -623,7 +623,7 @@ OUTER_LOOP:
 		{
 			rs := conR.conS.GetRoundState()
 			prs := ps.GetRoundState()
-			if rs.Height == prs.Height {
+			if rs.Height == prs.Height && prs.ProposalPOLRound >= 0 {
 				if maj23, ok := rs.Votes.Prevotes(prs.ProposalPOLRound).TwoThirdsMajority(); ok {
 					peer.TrySend(DataChannel, struct{ ConsensusMessage }{&VoteSetMaj23Message{
 						Height:  prs.Height,