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babe: Introduce secondary slots (Aurababeous) (#3380)

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* babe: initial implementation of secondary slots

* babe: validate secondary slot author

* babe: implement weight based fork choice

* babe: remove unused

* aura: cleanup unused imports

* babe: pass in parent weight when authoring and verifying

* babe: use epoch randomness for picking secondary slot authors

* babe: fix tests

* babe: fix wasm build

* babe: node-side code for disabling secondary slots

* babe: allow enabling/disabling secondary slots from runtime

* babe: fix test

* babe: use blake2_256 for secondary slot assignment

* babe: run block initialization in should_end_session

* node: increase slot duration to 6s

* babe: add docs

* node: bump spec_version

* Apply suggestions from code review

Co-Authored-By: joe petrowski <25483142+joepetrowski@users.noreply.github.com>

* babe: simplify secondary slot assignment calculation

* babe: remove unnecessary comment

* node: bump spec_version

* babe: fix bad merge
This commit is contained in:
André Silva
2019-08-16 15:47:53 +02:00
committed by GitHub
parent f735d067c4
commit cb7527d2b2
12 changed files with 720 additions and 202 deletions
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substrate/core/consensus/aura/src/lib.rs
+6 -1
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@@ -225,7 +225,12 @@ impl<H, B, C, E, I, P, Error, SO> slots::SimpleSlotWorker<B> for AuraWorker<C, E
epoch_data.len()
}
fn claim_slot(&self, slot_number: u64, epoch_data: &Self::EpochData) -> Option<Self::Claim> {
fn claim_slot(
&self,
_header: &B::Header,
slot_number: u64,
epoch_data: &Self::EpochData,
) -> Option<Self::Claim> {
let expected_author = slot_author::<P>(slot_number, epoch_data);
expected_author.and_then(|p| {