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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/slots/src/lib.rs
+6 -2
View File
@@ -94,7 +94,8 @@ pub trait SimpleSlotWorker<B: BlockT> {
fn epoch_data(&self, header: &B::Header, slot_number: u64) -> Result<Self::EpochData, sp_consensus::Error>;
/// Returns the number of authorities given the epoch data.
fn authorities_len(&self, epoch_data: &Self::EpochData) -> usize;
/// None indicate that the authorities information is incomplete.
fn authorities_len(&self, epoch_data: &Self::EpochData) -> Option<usize>;
/// Tries to claim the given slot, returning an object with claim data if successful.
fn claim_slot(
@@ -194,7 +195,10 @@ pub trait SimpleSlotWorker<B: BlockT> {
let authorities_len = self.authorities_len(&epoch_data);
if !self.force_authoring() && self.sync_oracle().is_offline() && authorities_len > 1 {
if !self.force_authoring() &&
self.sync_oracle().is_offline() &&
authorities_len.map(|a| a > 1).unwrap_or(false)
{
debug!(target: self.logging_target(), "Skipping proposal slot. Waiting for the network.");
telemetry!(
CONSENSUS_DEBUG;