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fix calculation of median, include special case when there're no claps

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Signed-off-by: Uncle Stinky <uncle.stinky@ghostchain.io>
This commit is contained in:
Uncle Stinky
2025-07-31 13:56:05 +03:00
parent f7b1b75d5a
commit c4b16805f7
3 changed files with 169 additions and 9 deletions
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25
pallets/slow-clap/src/lib.rs
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@@ -90,7 +90,7 @@ pub struct Clap<AccountId, NetworkId, Balance> {
pub amount: Balance,
}
#[derive(Default, PartialEq, Encode, Decode, RuntimeDebug, TypeInfo)]
#[derive(Default, Clone, Copy, PartialEq, Encode, Decode, RuntimeDebug, TypeInfo)]
pub struct SessionAuthorityInfo {
pub claps: u32,
pub disabled: bool,
@@ -967,10 +967,18 @@ impl<T: Config> Pallet<T> {
.ok_or(OffchainErr::ErrorInEvmResponse)?)
}
fn calculate_median_claps(session_index: &SessionIndex) -> u32 {
let mut claps_in_session = ClapsInSession::<T>::get(session_index)
.values()
.filter_map(|value| (!value.disabled).then(|| value.claps))
fn calculate_median_claps(
actual_claps_in_session: &BTreeMap<AuthIndex, SessionAuthorityInfo>,
authorities_len: usize,
) -> u32 {
let mut claps_in_session = (0..authorities_len)
.filter_map(|index| {
let clap_info = actual_claps_in_session
.get(&(index as u32))
.copied()
.unwrap_or_default();
(!clap_info.disabled).then(|| clap_info.claps)
})
.collect::<Vec<_>>();
if claps_in_session.is_empty() {
@@ -1083,9 +1091,10 @@ impl<T: Config> OneSessionHandler<T::AccountId> for Pallet<T> {
fn on_before_session_ending() {
let session_index = T::ValidatorSet::session_index();
let validators = T::ValidatorSet::validators();
let authorities = Authorities::<T>::get(&session_index);
let authorities_len = Authorities::<T>::get(&session_index).len();
let actual_claps_in_session = ClapsInSession::<T>::get(&session_index);
let median_claps = Self::calculate_median_claps(&session_index);
let median_claps = Self::calculate_median_claps(&actual_claps_in_session, authorities_len);
let offenders = validators
.into_iter()
@@ -1105,7 +1114,7 @@ impl<T: Config> OneSessionHandler<T::AccountId> for Pallet<T> {
throttling: offenders.clone(),
});
let validator_set_count = authorities.len() as u32;
let validator_set_count = authorities_len as u32;
let offence = ThrottlingOffence {
session_index,
validator_set_count,