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Client provide uncles (#1609)

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* feat: add children function to backend

* feat: add test for children hashes

* feat: add uncles function to client

* fix: improve uncles function adds few more tests

* fix: remove children when reverting

* fix: typo and spec version
This commit is contained in:
Marcio Diaz
2019-02-25 11:21:36 +01:00
committed by GitHub
parent 63ec8b335b
commit 43e4544884
10 changed files with 392 additions and 8 deletions
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substrate/core/client/src/blockchain.rs
+3
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@@ -84,6 +84,9 @@ pub trait Backend<Block: BlockT>: HeaderBackend<Block> {
/// in other words, that have no children, are chain heads.
/// Results must be ordered best (longest, heighest) chain first.
fn leaves(&self) -> Result<Vec<Block::Hash>>;
/// Return hashes of all blocks that are children of the block with `parent_hash`.
fn children(&self, parent_hash: Block::Hash) -> Result<Vec<Block::Hash>>;
}
/// Blockchain optional data cache.