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Bound staking storage items (#12230)

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* replace pallet level unboundedness to individual storage items

* bound structs

* bounding history depth

* defensive error

* use the era history depth from config

* clean up history depth from storage in v11

* keep the name HistoryDepth for the new configuration value

* use u32 for history depth in node runtime

* improve doc comments

* add HistoryDepth to mock runtimes with pallet-staking

* rustfmt

* refactor and doc improve

* apply re-benchmarked weight for staking

* pr feedback improvements

* test for claimed rewards following the expected bounds

* refactor test to calculate first and last reward era programmatically

* verify previous eras cannot be claimed

* add migration v12

* ".git/.scripts/bench-bot.sh" pallet dev pallet_staking

* fix compiler error

* corrupting history depth does not lead to catastrophic issue

* fix new line

* remove unused import

* fmt

* add test to document scenario where history depth is reduced without migration

* fmt

* Update frame/staking/src/lib.rs

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

* Update frame/staking/src/migrations.rs

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

* doc for all storage items bounded by HistoryDepth

* Update frame/staking/src/pallet/mod.rs

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

* Update frame/staking/src/tests.rs

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

* pr feedback fixes

* Update frame/staking/src/tests.rs

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

* remove extra checks

* fix merge

* fmt

Co-authored-by: command-bot <>
Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>
Co-authored-by: kianenigma <kian@parity.io>
This commit is contained in:
Ankan
2022-09-21 10:57:02 +02:00
committed by GitHub
parent 86198c5471
commit c6a9abcc68
16 changed files with 669 additions and 483 deletions
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substrate/frame/staking/src/benchmarking.rs
+1 -20
View File
@@ -660,25 +660,6 @@ benchmarks! {
assert!(original_bonded < new_bonded);
}
set_history_depth {
let e in 1 .. 100;
HistoryDepth::<T>::put(e);
CurrentEra::<T>::put(e);
let dummy = || -> T::AccountId { codec::Decode::decode(&mut TrailingZeroInput::zeroes()).unwrap() };
for i in 0 .. e {
<ErasStakers<T>>::insert(i, dummy(), Exposure::<T::AccountId, BalanceOf<T>>::default());
<ErasStakersClipped<T>>::insert(i, dummy(), Exposure::<T::AccountId, BalanceOf<T>>::default());
<ErasValidatorPrefs<T>>::insert(i, dummy(), ValidatorPrefs::default());
<ErasValidatorReward<T>>::insert(i, BalanceOf::<T>::one());
<ErasRewardPoints<T>>::insert(i, EraRewardPoints::<T::AccountId>::default());
<ErasTotalStake<T>>::insert(i, BalanceOf::<T>::one());
ErasStartSessionIndex::<T>::insert(i, i);
}
}: _(RawOrigin::Root, EraIndex::zero(), u32::MAX)
verify {
assert_eq!(HistoryDepth::<T>::get(), 0);
}
reap_stash {
let s in 1 .. MAX_SPANS;
// clean up any existing state.
@@ -698,7 +679,7 @@ benchmarks! {
active: T::Currency::minimum_balance() - One::one(),
total: T::Currency::minimum_balance() - One::one(),
unlocking: Default::default(),
claimed_rewards: vec![],
claimed_rewards: Default::default(),
};
Ledger::<T>::insert(&controller, l);