diff options
Diffstat (limited to 'core')
| -rw-r--r-- | core/chain_manager.go | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/core/chain_manager.go b/core/chain_manager.go index c68b7cfc2..9646bfc53 100644 --- a/core/chain_manager.go +++ b/core/chain_manager.go @@ -251,7 +251,13 @@ func (self *ChainManager) GetBlockHashesFromHash(hash []byte, max uint64) (chain // XXX Could be optimised by using a different database which only holds hashes (i.e., linked list) for i := uint64(0); i < max; i++ { - block = self.GetBlock(block.Header().ParentHash) + parentHash := block.Header().ParentHash + block = self.GetBlock(parentHash) + if block == nil { + chainlogger.Infof("GetBlockHashesFromHash Parent UNKNOWN %x\n", parentHash) + break + } + chain = append(chain, block.Hash()) if block.Header().Number.Cmp(ethutil.Big0) <= 0 { break |