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aura, babe: don't allow disabled validators to build blocks (#9414)

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* frame-support: add trait for checking disabled validators

* pallet-session: implement DisabledValidators trait

* pallet-babe: check for disabled validators

* pallet-babe: add test for disabled validators

* pallet-aura: check for disabled validators

* pallet-aura: add test for disabled validators

* runtime: fix missing DisableValidator

* test-runtime: add missing DisabledValidators

* frame-support: clean up doc

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
This commit is contained in:
André Silva
2021-08-03 11:57:08 +01:00
committed by GitHub
parent c9ffce0f9c
commit 0240efde58
12 changed files with 142 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files
substrate/frame/support/src/traits/validation.rs
+13
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@@ -244,3 +244,16 @@ pub trait ValidatorRegistration<ValidatorId> {
/// module
fn is_registered(id: &ValidatorId) -> bool;
}
/// Trait used to check whether a given validator is currently disabled and should not be
/// participating in consensus (e.g. because they equivocated).
pub trait DisabledValidators {
/// Returns true if the given validator is disabled.
fn is_disabled(index: u32) -> bool;
}
impl DisabledValidators for () {
fn is_disabled(_index: u32) -> bool {
false
}
}