diff options
Diffstat (limited to 'core')
| -rw-r--r-- | core/blockchain.go | 3 | ||||
| -rw-r--r-- | core/headerchain.go | 7 |
2 files changed, 5 insertions, 5 deletions
diff --git a/core/blockchain.go b/core/blockchain.go index 833de3bc7..1bf31b239 100644 --- a/core/blockchain.go +++ b/core/blockchain.go @@ -2151,9 +2151,6 @@ func (bc *BlockChain) GetBlockHashesFromHash(hash common.Hash, max uint64) []com // // Note: ancestor == 0 returns the same block, 1 returns its parent and so on. func (bc *BlockChain) GetAncestor(hash common.Hash, number, ancestor uint64, maxNonCanonical *uint64) (common.Hash, uint64) { - bc.chainmu.RLock() - defer bc.chainmu.RUnlock() - return bc.hc.GetAncestor(hash, number, ancestor, maxNonCanonical) } diff --git a/core/headerchain.go b/core/headerchain.go index 034858f65..a2faa3303 100644 --- a/core/headerchain.go +++ b/core/headerchain.go @@ -349,8 +349,11 @@ func (hc *HeaderChain) GetAncestor(hash common.Hash, number, ancestor uint64, ma } for ancestor != 0 { if rawdb.ReadCanonicalHash(hc.chainDb, number) == hash { - number -= ancestor - return rawdb.ReadCanonicalHash(hc.chainDb, number), number + ancestorHash := rawdb.ReadCanonicalHash(hc.chainDb, number-ancestor) + if rawdb.ReadCanonicalHash(hc.chainDb, number) == hash { + number -= ancestor + return ancestorHash, number + } } if *maxNonCanonical == 0 { return common.Hash{}, 0 |