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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/node/runtime/src/constants.rs
+1 -1
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@@ -44,7 +44,7 @@ pub mod time {
pub const MILLISECS_PER_BLOCK: Moment = 6000;
pub const SECS_PER_BLOCK: Moment = MILLISECS_PER_BLOCK / 1000;
pub const SLOT_DURATION: Moment = 1650;
pub const SLOT_DURATION: Moment = 6000;
pub const EPOCH_DURATION_IN_BLOCKS: BlockNumber = 10 * MINUTES;
pub const EPOCH_DURATION_IN_SLOTS: u64 = {