diff options
| -rw-r--r-- | core/block_processor.go | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/core/block_processor.go b/core/block_processor.go index ca205ee86..a3ad383d0 100644 --- a/core/block_processor.go +++ b/core/block_processor.go @@ -364,8 +364,8 @@ func (sm *BlockProcessor) VerifyUncles(statedb *state.StateDB, block, parent *ty return UncleError("uncle[%d](%x) is ancestor", i, hash[:4]) } - if !ancestors.Has(uncle.ParentHash) { - return UncleError("uncle[%d](%x)'s parent unknown (%x)", i, hash[:4], uncle.ParentHash[0:4]) + if !ancestors.Has(uncle.ParentHash) || uncle.ParentHash == parent.Hash() { + return UncleError("uncle[%d](%x)'s parent is not ancestor (%x)", i, hash[:4], uncle.ParentHash[0:4]) } if err := sm.ValidateHeader(uncle, ancestorHeaders[uncle.ParentHash], true); err != nil { |