From b5199625cd2962dcbb55a8634b7e2534b635dcf5 Mon Sep 17 00:00:00 2001
From: Roman Khimov <roman@nspcc.ru>
Date: Wed, 6 Nov 2019 17:58:19 +0300
Subject: [PATCH] core: init genesis block header if there are no other headers
 in DB

Fixes crash when restarted after the DB initialization and no blocks written
into the DB.
---
 pkg/core/blockchain.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkg/core/blockchain.go b/pkg/core/blockchain.go
index 8f31adfb9..00e44b62e 100644
--- a/pkg/core/blockchain.go
+++ b/pkg/core/blockchain.go
@@ -135,6 +135,9 @@ func (bc *Blockchain) init() error {
 	if err != nil {
 		return err
 	}
+	if bc.storedHeaderCount == 0 && currHeaderHeight == 0 {
+		bc.headerList.Add(currHeaderHash)
+	}
 
 	// There is a high chance that the Node is stopped before the next
 	// batch of 2000 headers was stored. Via the currentHeaders stored we can sync