core: initialize current block/fastblock atomics to nil, fix ethereum…

…#19286
holiman · Mar 29, 2019 · eb6b3db · eb6b3db
1 parent 86e7790
commit eb6b3db
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/core/blockchain.go b/core/blockchain.go
@@ -201,6 +201,10 @@ func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, chainConfig *par
 	if bc.genesisBlock == nil {
 		return nil, ErrNoGenesis
 	}
+	var nilBlock *types.Block
+	bc.currentBlock.Store(nilBlock)
+	bc.currentFastBlock.Store(nilBlock)
+
 	if err := bc.loadLastState(); err != nil {
 		return nil, err
 	}