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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/mock.rs
+2
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@@ -236,6 +236,7 @@ const THRESHOLDS: [sp_npos_elections::VoteWeight; 9] =
parameter_types! {
pub static BagThresholds: &'static [sp_npos_elections::VoteWeight] = &THRESHOLDS;
pub static MaxNominations: u32 = 16;
pub static HistoryDepth: u32 = 80;
pub static RewardOnUnbalanceWasCalled: bool = false;
pub static LedgerSlashPerEra: (BalanceOf<Test>, BTreeMap<EraIndex, BalanceOf<Test>>) = (Zero::zero(), BTreeMap::new());
}
@@ -301,6 +302,7 @@ impl crate::pallet::pallet::Config for Test {
type VoterList = VoterBagsList;
type TargetList = UseValidatorsMap<Self>;
type MaxUnlockingChunks = ConstU32<32>;
type HistoryDepth = HistoryDepth;
type OnStakerSlash = OnStakerSlashMock<Test>;
type BenchmarkingConfig = TestBenchmarkingConfig;
type WeightInfo = ();