GRANDPA finality proof draft (#1268)

* grandpa finality proof

* prove GrandpaApi::grandpa_authorities using parent block + some docs

* create justification when consensus data is changed

* generate justifications periodically

* test for ConsensusChanges
This commit is contained in:
Svyatoslav Nikolsky
2019-01-11 21:25:03 +03:00
committed by Gav Wood
parent 677b79765b
commit 616716cb4b
18 changed files with 786 additions and 113 deletions
+1 -1
View File
@@ -574,7 +574,7 @@ pub trait Digest: Member + MaybeSerializeDebugButNotDeserialize + Default {
fn pop(&mut self) -> Option<Self::Item>;
/// Get reference to the first digest item that matches the passed predicate.
fn log<T, F: Fn(&Self::Item) -> Option<&T>>(&self, predicate: F) -> Option<&T> {
fn log<T: ?Sized, F: Fn(&Self::Item) -> Option<&T>>(&self, predicate: F) -> Option<&T> {
self.logs().iter()
.filter_map(predicate)
.next()