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Fix kusama validators getting 0 backing rewards the first session they enter the active set #3722

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merged 5 commits into from
Mar 18, 2024
Merged

Fix kusama validators getting 0 backing rewards the first session they enter the active set #3722

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89239be
Fix kusama validators getting 0 backing rewards the first session the…
alexggh Mar 17, 2024
6295f20
Update substrate/frame/authority-discovery/src/lib.rs
alexggh Mar 18, 2024
7d76ba6
Fix unittests
alexggh Mar 18, 2024
fbe24ee
Improve documentation for `on_new_session`
alexggh Mar 18, 2024
0f2b7b1
Add prdoc
alexggh Mar 18, 2024
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23 changes: 13 additions & 10 deletions substrate/frame/authority-discovery/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -144,19 +144,22 @@ impl<T: Config> OneSessionHandler<T::AccountId> for Pallet<T> {
);

Keys::<T>::put(bounded_keys);
}

let next_keys = queued_validators.map(|x| x.1).collect::<Vec<_>>();
// `changed` represents if queued_validators changed in the previous session not in the
// current one, so it does not make sense to guard updating of next_keys by it.
// see: https://github.com/paritytech/polkadot-sdk/blob/02e1a7f476d7d7c67153e975ab9a1bdc02ffea12/substrate/frame/session/src/lib.rs#L613
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let next_keys = queued_validators.map(|x| x.1).collect::<Vec<_>>();

let next_bounded_keys = WeakBoundedVec::<_, T::MaxAuthorities>::force_from(
next_keys,
Some(
"Warning: The session has more queued validators than expected. \
A runtime configuration adjustment may be needed.",
),
);
let next_bounded_keys = WeakBoundedVec::<_, T::MaxAuthorities>::force_from(
next_keys,
Some(
"Warning: The session has more queued validators than expected. \
A runtime configuration adjustment may be needed.",
),
);

NextKeys::<T>::put(next_bounded_keys);
}
NextKeys::<T>::put(next_bounded_keys);
}

fn on_disabled(_i: u32) {
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