fixes from review

consensus/replay.go

@@ -326,7 +326,6 @@ func (h *Handshaker) replayBlocks(proxyApp proxy.AppConns, appBlockHeight, store
 func (h *Handshaker) replayLastBlock(proxyApp proxy.AppConnConsensus) ([]byte, error) {
 	mempool := types.MockMempool{}
 	cs := NewConsensusState(h.config, h.state, proxyApp, h.store, mempool)
-	defer cs.Stop()
 
 	evsw := types.NewEventSwitch()
 	evsw.Start()
@@ -338,6 +337,7 @@ func (h *Handshaker) replayLastBlock(proxyApp proxy.AppConnConsensus) ([]byte, e
 	if _, err := cs.Start(); err != nil {
 		return nil, err
 	}
+	defer cs.Stop()
 
 	timeout := h.config.GetInt("timeout_handshake")
 	timer := time.NewTimer(time.Duration(timeout) * time.Millisecond)

consensus/state.go

@@ -358,8 +358,9 @@ func (cs *ConsensusState) OnStart() error {
 	// we may have lost some votes if the process crashed
 	// reload from consensus log to catchup
 	if err := cs.catchupReplay(cs.Height); err != nil {
-		log.Error("Error on catchup replay", "error", err.Error())
-		// let's go for it anyways, maybe we're fine
+		log.Error("Error on catchup replay. Proceeding to start ConsensusState anyway", "error", err.Error())
+		// NOTE: if we ever do return an error here,
+		// make sure to stop the timeoutTicker
 	}
 
 	// now start the receiveRoutine