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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/bin/node/runtime/src/lib.rs
+2
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@@ -535,6 +535,7 @@ parameter_types! {
pub const MaxNominatorRewardedPerValidator: u32 = 256;
pub const OffendingValidatorsThreshold: Perbill = Perbill::from_percent(17);
pub OffchainRepeat: BlockNumber = 5;
pub HistoryDepth: u32 = 84;
}
pub struct StakingBenchmarkingConfig;
@@ -572,6 +573,7 @@ impl pallet_staking::Config for Runtime {
// This a placeholder, to be introduced in the next PR as an instance of bags-list
type TargetList = pallet_staking::UseValidatorsMap<Self>;
type MaxUnlockingChunks = ConstU32<32>;
type HistoryDepth = HistoryDepth;
type OnStakerSlash = NominationPools;
type WeightInfo = pallet_staking::weights::SubstrateWeight<Runtime>;
type BenchmarkingConfig = StakingBenchmarkingConfig;