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epoch-changes: separate epoch header with epoch data (#4881)

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* fork-tree: prune returns all pruned node data

* epoch-changes: split EpochHeader vs epoch data

* EpochChanges::viable_epoch and add missing comments

* Incoperate the new epoch_changes interface for BABE

* Fix BABE tests

* Fix fork-tree pruning issue

* Fix tests

* Fix pruning algorithm

* fork-tree: implement map function for mapping one value type to another

* Add migration script for new epoch changes scheme

* Update utils/fork-tree/src/lib.rs

Co-Authored-By: André Silva <andre.beat@gmail.com>

* Update client/consensus/slots/src/lib.rs

Co-Authored-By: André Silva <andre.beat@gmail.com>

* Remove authorities_len.is_none check, which is duplicate of unwrap_or(false)

* Update client/consensus/epochs/src/lib.rs

Co-Authored-By: André Silva <andre.beat@gmail.com>

* Update client/consensus/epochs/src/lib.rs

Co-Authored-By: André Silva <andre.beat@gmail.com>

* No trailing ; for return statement

* Use VERSION_KEY for migration

* Fix issues that removed nodes are not properly added into removed list

* Add comments indicating end_slot is non-inclusive

* fork-tree: use &mut F for map type declaration

* Add tests for v0 epoch_changes migration

* Fix babe RPC tests

Co-authored-by: André Silva <andre.beat@gmail.com>
This commit is contained in:
Wei Tang
2020-03-16 22:06:13 +01:00
committed by GitHub
parent abe391a0a7
commit 846a9ce8c6
10 changed files with 764 additions and 212 deletions
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substrate/client/consensus/babe/rpc/src/lib.rs
+1 -2
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@@ -179,7 +179,7 @@ fn epoch_data<B, C, SC>(
SC: SelectChain<B>,
{
let parent = select_chain.best_chain()?;
epoch_changes.lock().epoch_for_child_of(
epoch_changes.lock().epoch_data_for_child_of(
descendent_query(&**client),
&parent.hash(),
parent.number().clone(),
@@ -187,7 +187,6 @@ fn epoch_data<B, C, SC>(
|slot| babe_config.genesis_epoch(slot),
)
.map_err(|e| Error::Consensus(ConsensusError::ChainLookup(format!("{:?}", e))))?
.map(|e| e.into_inner())
.ok_or(Error::Consensus(ConsensusError::InvalidAuthoritiesSet))
}