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remove deprecated remove_prefix to clear era_info (#13460)

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* remove deprecated remove_prefix to clear era_info

* add debug assertions to check that the returned cursor is None

* add a variable to hold the cursor

* ".git/.scripts/commands/fmt/fmt.sh"

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Co-authored-by: command-bot <>
This commit is contained in:
Suraj Kumar
2023-05-16 22:09:21 +05:30
committed by GitHub
parent 7db362698d
commit 2c684e4ddf
1 changed files with 6 additions and 6 deletions
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substrate/frame/staking/src/pallet/impls.rs
+6 -6
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@@ -669,12 +669,12 @@ impl<T: Config> Pallet<T> {
/// Clear all era information for given era.
pub(crate) fn clear_era_information(era_index: EraIndex) {
#[allow(deprecated)]
<ErasStakers<T>>::remove_prefix(era_index, None);
#[allow(deprecated)]
<ErasStakersClipped<T>>::remove_prefix(era_index, None);
#[allow(deprecated)]
<ErasValidatorPrefs<T>>::remove_prefix(era_index, None);
let mut cursor = <ErasStakers<T>>::clear_prefix(era_index, u32::MAX, None);
debug_assert!(cursor.maybe_cursor.is_none());
cursor = <ErasStakersClipped<T>>::clear_prefix(era_index, u32::MAX, None);
debug_assert!(cursor.maybe_cursor.is_none());
cursor = <ErasValidatorPrefs<T>>::clear_prefix(era_index, u32::MAX, None);
debug_assert!(cursor.maybe_cursor.is_none());
<ErasValidatorReward<T>>::remove(era_index);
<ErasRewardPoints<T>>::remove(era_index);
<ErasTotalStake<T>>::remove(era_index);