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special case equality in ancestry function

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Robert Habermeier
2018-11-15 17:03:39 +01:00
parent a2ba7b71d6
commit 4307a55505
1 changed files with 2 additions and 0 deletions
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substrate/core/finality-grandpa/src/lib.rs
+2
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@@ -393,6 +393,8 @@ impl<Block: BlockT<Hash=H256>, B, E, N, RA> grandpa::Chain<Block::Hash> for Envi
NumberFor<Block>: As<u32>, NumberFor<Block>: As<u32>,
{ {
fn ancestry(&self, base: Block::Hash, block: Block::Hash) -> Result<Vec<Block::Hash>, GrandpaError> { 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( let tree_route_res = ::client::blockchain::tree_route(
self.inner.backend().blockchain(), self.inner.backend().blockchain(),
BlockId::Hash(block), BlockId::Hash(block),