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GRANDPA finality proof draft (#1268)

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* 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
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Svyatoslav Nikolsky authored and Gav Wood committed 2019-01-11 19:25:03 +01:00
1 parent 677b79765b
commit 616716cb4b
18 files changed
+786 -113
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substrate/core/sr-primitives/src/traits.rs
+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()