From 9ceccbe9a42266d35d0ceab48cfb62b329b84554 Mon Sep 17 00:00:00 2001
From: Ethan Buchman <ethan@coinculture.info>
Date: Wed, 16 Aug 2017 01:01:09 -0400
Subject: [PATCH] consensus: recover panics in receive routine

---
 consensus/state.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/consensus/state.go b/consensus/state.go
index 48c91d27..f6ee5d45 100644
--- a/consensus/state.go
+++ b/consensus/state.go
@@ -615,6 +615,12 @@ func (cs *ConsensusState) newStep() {
 // Updates (state transitions) happen on timeouts, complete proposals, and 2/3 majorities.
 // ConsensusState must be locked before any internal state is updated.
 func (cs *ConsensusState) receiveRoutine(maxSteps int) {
+	defer func() {
+		if r := recover(); r != nil {
+			cs.Logger.Error("CONSENSUS FAILURE!!!", "err", r)
+		}
+	}()
+
 	for {
 		if maxSteps > 0 {
 			if cs.nSteps >= maxSteps {