Add check for slot == 0 (#5322)

prysmaticlabs · Apr 6, 2020 · 91b19b9 · 91b19b9
1 parent 35a6df7
commit 91b19b9
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/beacon-chain/blockchain/service.go b/beacon-chain/blockchain/service.go
@@ -157,7 +157,8 @@ func (s *Service) Start() {
 	attestationProcessorSubscribed := make(chan struct{}, 1)
 
 	// If the chain has already been initialized, simply start the block processing routine.
-	if beaconState != nil {
+	// A node should still initialize rest of the chain service if the finalized state's slot is 0.
+	if beaconState != nil && beaconState.Slot() != 0 {
 		log.Info("Blockchain data already exists in DB, initializing...")
 		s.genesisTime = time.Unix(int64(beaconState.GenesisTime()), 0)
 		s.opsService.SetGenesisTime(beaconState.GenesisTime())