From 21dd59bd047d1f291c1a773b690825a3654ea969 Mon Sep 17 00:00:00 2001 From: Franklin Date: Tue, 20 Nov 2018 22:16:40 +0800 Subject: . --- core/blockchain.go | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'core') diff --git a/core/blockchain.go b/core/blockchain.go index d173b2de2..ee1c0702b 100644 --- a/core/blockchain.go +++ b/core/blockchain.go @@ -445,7 +445,11 @@ func (bc *BlockChain) repair(head **types.Block) error { return nil } // Otherwise rewind one block and recheck state availability there - (*head) = bc.GetBlock((*head).ParentHash(), (*head).NumberU64()-1) + block := bc.GetBlock((*head).ParentHash(), (*head).NumberU64()-1) + if block == nil { + return fmt.Errorf("failed to repair block, can not get block at height %d", (*head).NumberU64()) + } + (*head) = block } } -- cgit v1.2.3