From bee425c7632b7a03a406c3e070893305bb41cf73 Mon Sep 17 00:00:00 2001
From: rkfg <rkfg@rkfg.me>
Date: Sun, 13 Jun 2021 12:32:48 +0300
Subject: [PATCH] Fix segfaults on network errors

---
 pubsub/ticker.go | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/pubsub/ticker.go b/pubsub/ticker.go
index 2e90932..a0f8273 100644
--- a/pubsub/ticker.go
+++ b/pubsub/ticker.go
@@ -39,7 +39,7 @@ func withTickerInfo() tickerFunc {
 		if err != nil {
 			logger.Error("network info returned an error", logging.Error(err))
 		}
-		if old != nil {
+		if old != nil && info != nil {
 			if old.BlockHeight != info.BlockHeight {
 				sub <- events.New(events.BlockReceived)
 			}
@@ -73,7 +73,7 @@ func withTickerChannelsBalance() tickerFunc {
 		if err != nil {
 			logger.Error("network channels balance returned an error", logging.Error(err))
 		}
-		if old != nil {
+		if old != nil && channelsBalance != nil {
 			if old.Balance != channelsBalance.Balance ||
 				old.PendingOpenBalance != channelsBalance.PendingOpenBalance {
 				sub <- events.New(events.ChannelBalanceUpdated)
@@ -92,7 +92,7 @@ func withTickerWalletBalance() tickerFunc {
 		if err != nil {
 			logger.Error("network wallet balance returned an error", logging.Error(err))
 		}
-		if old != nil {
+		if old != nil && walletBalance != nil {
 			if old.TotalBalance != walletBalance.TotalBalance ||
 				old.ConfirmedBalance != walletBalance.ConfirmedBalance ||
 				old.UnconfirmedBalance != walletBalance.UnconfirmedBalance {