From 1d3e2935f2269cca5a5611ecd2771ddd424e3adc Mon Sep 17 00:00:00 2001
From: Jacek Sieka <jacek@status.im>
Date: Fri, 11 Sep 2020 11:50:00 +0200
Subject: [PATCH] await validator duties (#1626)

Validator duties proceed slot-by-slot - we should not start a new
validator duty iteration before the previous one is gone or we might run
into consistency and voting issues
---
 beacon_chain/beacon_node.nim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/beacon_chain/beacon_node.nim b/beacon_chain/beacon_node.nim
index 83d75d733..d755f7589 100644
--- a/beacon_chain/beacon_node.nim
+++ b/beacon_chain/beacon_node.nim
@@ -510,7 +510,7 @@ proc onSlotStart(node: BeaconNode, lastSlot, scheduledSlot: Slot) {.gcsafe, asyn
   beacon_head_slot.set slot.int64
 
   # Time passes in here..
-  asyncCheck node.handleValidatorDuties(lastSlot, slot)
+  await node.handleValidatorDuties(lastSlot, slot)
 
   let
     nextSlotStart = saturate(node.beaconClock.fromNow(nextSlot))