special case equality in ancestry function

This commit is contained in:
Robert Habermeier
2018-11-15 17:03:39 +01:00
parent a2ba7b71d6
commit 4307a55505
@@ -393,6 +393,8 @@ impl<Block: BlockT<Hash=H256>, B, E, N, RA> grandpa::Chain<Block::Hash> for Envi
NumberFor<Block>: As<u32>,
{
fn ancestry(&self, base: Block::Hash, block: Block::Hash) -> Result<Vec<Block::Hash>, GrandpaError> {
if base == block { return Err(NotDescendent) }
let tree_route_res = ::client::blockchain::tree_route(
self.inner.backend().blockchain(),
BlockId::Hash(block),