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[NPoS] Paging reward payouts in order to scale rewardable nominators #1189

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Merged
Ank4n merged 23 commits into from
Nov 1, 2023
Merged

[NPoS] Paging reward payouts in order to scale rewardable nominators #1189

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6827b66
squashed paged reward changes
Ank4n Aug 26, 2023
4738d9d
fix use different param
Ank4n Aug 26, 2023
913e945
Merge branch 'master' into ankan/paged-rewards
Ank4n Aug 28, 2023
89dd5cf
Merge branch 'master' into ankan/paged-rewards
pepoviola Aug 29, 2023
382f07c
Merge branch 'master' into ankan/paged-rewards
Ank4n Sep 2, 2023
dc9eb32
Merge branch 'master' into ankan/paged-rewards
Ank4n Sep 6, 2023
dbef906
remove years from license
Ank4n Sep 6, 2023
b3c12f8
Merge branch 'master' into ankan/paged-rewards
Ank4n Sep 6, 2023
03c9024
format readme
Ank4n Sep 6, 2023
95fc852
zepter format
Ank4n Sep 6, 2023
4896403
rename PageIndex to Page
Ank4n Sep 7, 2023
65807d8
Merge branch 'master' into ankan/paged-rewards
Sep 20, 2023
e580b29
Merge branch 'master' into ankan/paged-rewards
Ank4n Oct 31, 2023
2a30f2c
fix test for multi page rewards
Ank4n Oct 31, 2023
21fb301
fmt
Ank4n Oct 31, 2023
43f56b5
comments for MaxNominators
Ank4n Oct 31, 2023
d09eea2
Merge branch 'master' into ankan/paged-rewards
Ank4n Oct 31, 2023
7d75e22
Merge branch 'master' of https://github.com/paritytech/polkadot-sdk i…
Oct 31, 2023
efc3968
".git/.scripts/commands/bench/bench.sh" --subcommand=pallet --runtime…
Oct 31, 2023
cb33637
".git/.scripts/commands/bench/bench.sh" --subcommand=runtime --runtim…
Oct 31, 2023
b755ac6
add prdoc
Ank4n Nov 1, 2023
181aac3
Merge branch 'master' into ankan/paged-rewards
Ank4n Nov 1, 2023
6603458
set MaxNominators to one page of nominators
Ank4n Nov 1, 2023
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1 change: 1 addition & 0 deletions Cargo.lock
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20 changes: 12 additions & 8 deletions polkadot/runtime/kusama/src/lib.rs
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Expand Up @@ -279,7 +279,7 @@ impl pallet_babe::Config for Runtime {
type WeightInfo = ();

type MaxAuthorities = MaxAuthorities;
type MaxNominators = MaxNominatorRewardedPerValidator;
type MaxNominators = MaxExposurePageSize;
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@Ank4n Ank4n Sep 6, 2023

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https://github.com/paritytech/substrate/pull/13498/files/29f800bf4eaa0d4d9a837591461e7ee6e438679f..ec0694bfb69c5625ba6d2fe76da8e0446dcd71d7#r1299430753

https://github.com/paritytech-secops/srlabs_findings/issues/2#issuecomment-1685860874

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@kianenigma kianenigma Sep 6, 2023

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Isn't this a pretty bad name? I belive what pallet_babe wants to convey here is MaxNominatorsPerValidator?

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@kianenigma kianenigma Sep 6, 2023

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Also, indeed, the correct value for this should be something like max_pages * page_size, but I trust that this will come in a follow-up.

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@Ank4n Ank4n Sep 6, 2023 •
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Its terrible but its just more apparent now :(. MaxNominatorRewardedPerValidator was also wrong and exactly same thing.

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@Ank4n Ank4n Sep 6, 2023

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I will add a comment about this in the code. Not sure what else I can do in the scope of current PR.

}

parameter_types! {
Expand Down Expand Up @@ -323,7 +323,7 @@ parameter_types! {
impl pallet_beefy::Config for Runtime {
type BeefyId = BeefyId;
type MaxAuthorities = MaxAuthorities;
type MaxNominators = MaxNominatorRewardedPerValidator;
type MaxNominators = MaxExposurePageSize;
type MaxSetIdSessionEntries = BeefySetIdSessionEntries;
type OnNewValidatorSet = BeefyMmrLeaf;
type WeightInfo = ();
Expand Down Expand Up @@ -671,7 +671,8 @@ parameter_types! {
27,
"DOT_SLASH_DEFER_DURATION"
);
pub const MaxNominatorRewardedPerValidator: u32 = 512;
pub const MaxExposurePageSize: u32 = 512;

pub const OffendingValidatorsThreshold: Perbill = Perbill::from_percent(17);
// 24
pub const MaxNominations: u32 = <NposCompactSolution24 as NposSolution>::LIMIT as u32;
Expand All @@ -695,7 +696,7 @@ impl pallet_staking::Config for Runtime {
type SessionInterface = Self;
type EraPayout = EraPayout;
type NextNewSession = Session;
type MaxNominatorRewardedPerValidator = MaxNominatorRewardedPerValidator;
type MaxExposurePageSize = MaxExposurePageSize;
type OffendingValidatorsThreshold = OffendingValidatorsThreshold;
type VoterList = VoterList;
type TargetList = UseValidatorsMap<Self>;
Expand All @@ -715,8 +716,6 @@ impl pallet_fast_unstake::Config for Runtime {
type ControlOrigin = EnsureRoot<AccountId>;
type Staking = Staking;
type MaxErasToCheckPerBlock = ConstU32<1>;
#[cfg(feature = "runtime-benchmarks")]
type MaxBackersPerValidator = MaxNominatorRewardedPerValidator;
type WeightInfo = weights::pallet_fast_unstake::WeightInfo<Runtime>;
}

Expand Down Expand Up @@ -830,7 +829,7 @@ impl pallet_grandpa::Config for Runtime {

type WeightInfo = ();
type MaxAuthorities = MaxAuthorities;
type MaxNominators = MaxNominatorRewardedPerValidator;
type MaxNominators = MaxExposurePageSize;
type MaxSetIdSessionEntries = MaxSetIdSessionEntries;

type KeyOwnerProof = <Historical as KeyOwnerProofSystem<(KeyTypeId, GrandpaId)>>::Proof;
Expand Down Expand Up @@ -1720,6 +1719,7 @@ pub mod migrations {
>,
pallet_im_online::migration::v1::Migration<Runtime>,
parachains_configuration::migration::v7::MigrateToV7<Runtime>,
pallet_staking::migrations::v14::MigrateToV14<Runtime>,
parachains_scheduler::migration::v1::MigrateToV1<Runtime>,
parachains_configuration::migration::v8::MigrateToV8<Runtime>,

Expand Down Expand Up @@ -2273,10 +2273,14 @@ sp_api::impl_runtime_apis! {
}
}

impl pallet_staking_runtime_api::StakingApi<Block, Balance> for Runtime {
impl pallet_staking_runtime_api::StakingApi<Block, Balance, AccountId> for Runtime {
fn nominations_quota(balance: Balance) -> u32 {
Staking::api_nominations_quota(balance)
}

fn eras_stakers_page_count(era: sp_staking::EraIndex, account: AccountId) -> sp_staking::PageIndex {
Staking::api_eras_stakers_page_count(era, account)
}
}

#[cfg(feature = "try-runtime")]
Expand Down
2 changes: 1 addition & 1 deletion polkadot/runtime/kusama/src/tests.rs
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Expand Up @@ -59,7 +59,7 @@ fn payout_weight_portion() {
use pallet_staking::WeightInfo;
let payout_weight =
<Runtime as pallet_staking::Config>::WeightInfo::payout_stakers_alive_staked(
MaxNominatorRewardedPerValidator::get(),
MaxExposurePageSize::get().into(),
)
.ref_time() as f64;
let block_weight = BlockWeights::get().max_block.ref_time() as f64;
Expand Down
19 changes: 11 additions & 8 deletions polkadot/runtime/polkadot/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -258,7 +258,7 @@ impl pallet_babe::Config for Runtime {
type WeightInfo = ();

type MaxAuthorities = MaxAuthorities;
type MaxNominators = MaxNominatorRewardedPerValidator;
type MaxNominators = MaxExposurePageSize;

type KeyOwnerProof =
<Historical as KeyOwnerProofSystem<(KeyTypeId, pallet_babe::AuthorityId)>>::Proof;
Expand Down Expand Up @@ -531,7 +531,7 @@ parameter_types! {
"DOT_SLASH_DEFER_DURATION"
);
pub const RewardCurve: &'static PiecewiseLinear<'static> = &REWARD_CURVE;
pub const MaxNominatorRewardedPerValidator: u32 = 512;
pub const MaxExposurePageSize: u32 = 512;
pub const OffendingValidatorsThreshold: Perbill = Perbill::from_percent(17);
// 16
pub const MaxNominations: u32 = <NposCompactSolution16 as frame_election_provider_support::NposSolution>::LIMIT as u32;
Expand Down Expand Up @@ -580,7 +580,7 @@ impl pallet_staking::Config for Runtime {
type AdminOrigin = EitherOf<EnsureRoot<Self::AccountId>, StakingAdmin>;
type SessionInterface = Self;
type EraPayout = EraPayout;
type MaxNominatorRewardedPerValidator = MaxNominatorRewardedPerValidator;
type MaxExposurePageSize = MaxExposurePageSize;
type OffendingValidatorsThreshold = OffendingValidatorsThreshold;
type NextNewSession = Session;
type ElectionProvider = ElectionProviderMultiPhase;
Expand All @@ -603,8 +603,6 @@ impl pallet_fast_unstake::Config for Runtime {
type ControlOrigin = EnsureRoot<AccountId>;
type Staking = Staking;
type MaxErasToCheckPerBlock = ConstU32<1>;
#[cfg(feature = "runtime-benchmarks")]
type MaxBackersPerValidator = MaxNominatorRewardedPerValidator;
type WeightInfo = weights::pallet_fast_unstake::WeightInfo<Runtime>;
}

Expand Down Expand Up @@ -747,7 +745,7 @@ impl pallet_grandpa::Config for Runtime {

type WeightInfo = ();
type MaxAuthorities = MaxAuthorities;
type MaxNominators = MaxNominatorRewardedPerValidator;
type MaxNominators = MaxExposurePageSize;
type MaxSetIdSessionEntries = MaxSetIdSessionEntries;

type KeyOwnerProof = <Historical as KeyOwnerProofSystem<(KeyTypeId, GrandpaId)>>::Proof;
Expand Down Expand Up @@ -1507,6 +1505,7 @@ pub mod migrations {
pub type Unreleased = (
pallet_im_online::migration::v1::Migration<Runtime>,
parachains_configuration::migration::v7::MigrateToV7<Runtime>,
pallet_staking::migrations::v14::MigrateToV14<Runtime>,
parachains_scheduler::migration::v1::MigrateToV1<Runtime>,
parachains_configuration::migration::v8::MigrateToV8<Runtime>,

Expand Down Expand Up @@ -1667,10 +1666,14 @@ sp_api::impl_runtime_apis! {
}
}

impl pallet_staking_runtime_api::StakingApi<Block, Balance> for Runtime {
impl pallet_staking_runtime_api::StakingApi<Block, Balance, AccountId> for Runtime {
fn nominations_quota(balance: Balance) -> u32 {
Staking::api_nominations_quota(balance)
}

fn eras_stakers_page_count(era: sp_staking::EraIndex, account: AccountId) -> sp_staking::PageIndex {
Staking::api_eras_stakers_page_count(era, account)
}
}

impl tx_pool_api::runtime_api::TaggedTransactionQueue<Block> for Runtime {
Expand Down Expand Up @@ -2210,7 +2213,7 @@ mod test_fees {
use pallet_staking::WeightInfo;
let payout_weight =
<Runtime as pallet_staking::Config>::WeightInfo::payout_stakers_alive_staked(
MaxNominatorRewardedPerValidator::get(),
MaxExposurePageSize::get().into(),
)
.ref_time() as f64;
let block_weight = BlockWeights::get().max_block.ref_time() as f64;
Expand Down
8 changes: 4 additions & 4 deletions polkadot/runtime/test-runtime/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -190,7 +190,7 @@ impl pallet_babe::Config for Runtime {
type WeightInfo = ();

type MaxAuthorities = MaxAuthorities;
type MaxNominators = MaxNominatorRewardedPerValidator;
type MaxNominators = MaxExposurePageSize;

type KeyOwnerProof =
<Historical as KeyOwnerProofSystem<(KeyTypeId, pallet_babe::AuthorityId)>>::Proof;
Expand Down Expand Up @@ -315,7 +315,7 @@ parameter_types! {
// 27 eras in which slashes can be cancelled (a bit less than 7 days).
pub storage SlashDeferDuration: sp_staking::EraIndex = 27;
pub const RewardCurve: &'static PiecewiseLinear<'static> = &REWARD_CURVE;
pub storage MaxNominatorRewardedPerValidator: u32 = 64;
pub const MaxExposurePageSize: u32 = 64;
pub storage OffendingValidatorsThreshold: Perbill = Perbill::from_percent(17);
pub const MaxAuthorities: u32 = 100_000;
pub const OnChainMaxWinners: u32 = u32::MAX;
Expand Down Expand Up @@ -351,7 +351,7 @@ impl pallet_staking::Config for Runtime {
type AdminOrigin = frame_system::EnsureNever<()>;
type SessionInterface = Self;
type EraPayout = pallet_staking::ConvertCurve<RewardCurve>;
type MaxNominatorRewardedPerValidator = MaxNominatorRewardedPerValidator;
type MaxExposurePageSize = MaxExposurePageSize;
type OffendingValidatorsThreshold = OffendingValidatorsThreshold;
type NextNewSession = Session;
type ElectionProvider = onchain::OnChainExecution<OnChainSeqPhragmen>;
Expand All @@ -377,7 +377,7 @@ impl pallet_grandpa::Config for Runtime {

type WeightInfo = ();
type MaxAuthorities = MaxAuthorities;
type MaxNominators = MaxNominatorRewardedPerValidator;
type MaxNominators = MaxExposurePageSize;
type MaxSetIdSessionEntries = MaxSetIdSessionEntries;

type KeyOwnerProof = sp_core::Void;
Expand Down
19 changes: 11 additions & 8 deletions polkadot/runtime/westend/src/lib.rs
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Expand Up @@ -229,7 +229,7 @@ impl pallet_babe::Config for Runtime {
type WeightInfo = ();

type MaxAuthorities = MaxAuthorities;
type MaxNominators = MaxNominatorRewardedPerValidator;
type MaxNominators = MaxExposurePageSize;

type KeyOwnerProof =
<Historical as KeyOwnerProofSystem<(KeyTypeId, pallet_babe::AuthorityId)>>::Proof;
Expand Down Expand Up @@ -279,7 +279,7 @@ parameter_types! {
impl pallet_beefy::Config for Runtime {
type BeefyId = BeefyId;
type MaxAuthorities = MaxAuthorities;
type MaxNominators = MaxNominatorRewardedPerValidator;
type MaxNominators = MaxExposurePageSize;
type MaxSetIdSessionEntries = BeefySetIdSessionEntries;
type OnNewValidatorSet = BeefyMmrLeaf;
type WeightInfo = ();
Expand Down Expand Up @@ -616,7 +616,7 @@ parameter_types! {
// 1 era in which slashes can be cancelled (6 hours).
pub const SlashDeferDuration: sp_staking::EraIndex = 1;
pub const RewardCurve: &'static PiecewiseLinear<'static> = &REWARD_CURVE;
pub const MaxNominatorRewardedPerValidator: u32 = 64;
pub const MaxExposurePageSize: u32 = 64;
pub const OffendingValidatorsThreshold: Perbill = Perbill::from_percent(17);
pub const MaxNominations: u32 = <NposCompactSolution16 as frame_election_provider_support::NposSolution>::LIMIT as u32;
}
Expand All @@ -636,7 +636,7 @@ impl pallet_staking::Config for Runtime {
type AdminOrigin = EnsureRoot<AccountId>;
type SessionInterface = Self;
type EraPayout = pallet_staking::ConvertCurve<RewardCurve>;
type MaxNominatorRewardedPerValidator = MaxNominatorRewardedPerValidator;
type MaxExposurePageSize = MaxExposurePageSize;
type OffendingValidatorsThreshold = OffendingValidatorsThreshold;
type NextNewSession = Session;
type ElectionProvider = ElectionProviderMultiPhase;
Expand All @@ -659,8 +659,6 @@ impl pallet_fast_unstake::Config for Runtime {
type ControlOrigin = EnsureRoot<AccountId>;
type Staking = Staking;
type MaxErasToCheckPerBlock = ConstU32<1>;
#[cfg(feature = "runtime-benchmarks")]
type MaxBackersPerValidator = MaxNominatorRewardedPerValidator;
type WeightInfo = weights::pallet_fast_unstake::WeightInfo<Runtime>;
}

Expand Down Expand Up @@ -706,7 +704,7 @@ impl pallet_grandpa::Config for Runtime {

type WeightInfo = ();
type MaxAuthorities = MaxAuthorities;
type MaxNominators = MaxNominatorRewardedPerValidator;
type MaxNominators = MaxExposurePageSize;
type MaxSetIdSessionEntries = MaxSetIdSessionEntries;

type KeyOwnerProof = <Historical as KeyOwnerProofSystem<(KeyTypeId, GrandpaId)>>::Proof;
Expand Down Expand Up @@ -1420,6 +1418,7 @@ pub mod migrations {
pub type Unreleased = (
pallet_im_online::migration::v1::Migration<Runtime>,
parachains_configuration::migration::v7::MigrateToV7<Runtime>,
pallet_staking::migrations::v14::MigrateToV14<Runtime>,
assigned_slots::migration::v1::VersionCheckedMigrateToV1<Runtime>,
parachains_scheduler::migration::v1::MigrateToV1<Runtime>,
parachains_configuration::migration::v8::MigrateToV8<Runtime>,
Expand Down Expand Up @@ -1952,10 +1951,14 @@ sp_api::impl_runtime_apis! {
}
}

impl pallet_staking_runtime_api::StakingApi<Block, Balance> for Runtime {
impl pallet_staking_runtime_api::StakingApi<Block, Balance, AccountId> for Runtime {
fn nominations_quota(balance: Balance) -> u32 {
Staking::api_nominations_quota(balance)
}

fn eras_stakers_page_count(era: sp_staking::EraIndex, account: AccountId) -> sp_staking::PageIndex {
Staking::api_eras_stakers_page_count(era, account)
}
}

#[cfg(feature = "try-runtime")]
Expand Down
16 changes: 9 additions & 7 deletions substrate/bin/node/runtime/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -478,7 +478,7 @@ impl pallet_babe::Config for Runtime {
type DisabledValidators = Session;
type WeightInfo = ();
type MaxAuthorities = MaxAuthorities;
type MaxNominators = MaxNominatorRewardedPerValidator;
type MaxNominators = MaxExposurePageSize;
type KeyOwnerProof =
<Historical as KeyOwnerProofSystem<(KeyTypeId, pallet_babe::AuthorityId)>>::Proof;
type EquivocationReportSystem =
Expand Down Expand Up @@ -619,7 +619,7 @@ parameter_types! {
pub const BondingDuration: sp_staking::EraIndex = 24 * 28;
pub const SlashDeferDuration: sp_staking::EraIndex = 24 * 7; // 1/4 the bonding duration.
pub const RewardCurve: &'static PiecewiseLinear<'static> = &REWARD_CURVE;
pub const MaxNominatorRewardedPerValidator: u32 = 256;
pub const MaxExposurePageSize: u32 = 256;
pub const OffendingValidatorsThreshold: Perbill = Perbill::from_percent(17);
pub OffchainRepeat: BlockNumber = 5;
pub HistoryDepth: u32 = 84;
Expand Down Expand Up @@ -654,7 +654,7 @@ impl pallet_staking::Config for Runtime {
type SessionInterface = Self;
type EraPayout = pallet_staking::ConvertCurve<RewardCurve>;
type NextNewSession = Session;
type MaxNominatorRewardedPerValidator = MaxNominatorRewardedPerValidator;
type MaxExposurePageSize = ConstU32<256>;
type OffendingValidatorsThreshold = OffendingValidatorsThreshold;
type ElectionProvider = ElectionProviderMultiPhase;
type GenesisElectionProvider = onchain::OnChainExecution<OnChainSeqPhragmen>;
Expand All @@ -677,8 +677,6 @@ impl pallet_fast_unstake::Config for Runtime {
type Currency = Balances;
type Staking = Staking;
type MaxErasToCheckPerBlock = ConstU32<1>;
#[cfg(feature = "runtime-benchmarks")]
type MaxBackersPerValidator = MaxNominatorRewardedPerValidator;
type WeightInfo = ();
}

Expand Down Expand Up @@ -1429,7 +1427,7 @@ impl pallet_grandpa::Config for Runtime {
type RuntimeEvent = RuntimeEvent;
type WeightInfo = ();
type MaxAuthorities = MaxAuthorities;
type MaxNominators = MaxNominatorRewardedPerValidator;
type MaxNominators = MaxExposurePageSize;
type MaxSetIdSessionEntries = MaxSetIdSessionEntries;
type KeyOwnerProof = <Historical as KeyOwnerProofSystem<(KeyTypeId, GrandpaId)>>::Proof;
type EquivocationReportSystem =
Expand Down Expand Up @@ -2342,10 +2340,14 @@ impl_runtime_apis! {
}
}

impl pallet_staking_runtime_api::StakingApi<Block, Balance> for Runtime {
impl pallet_staking_runtime_api::StakingApi<Block, Balance, AccountId> for Runtime {
fn nominations_quota(balance: Balance) -> u32 {
Staking::api_nominations_quota(balance)
}

fn eras_stakers_page_count(era: sp_staking::EraIndex, account: AccountId) -> sp_staking::PageIndex {
Staking::api_eras_stakers_page_count(era, account)
}
}

impl sp_consensus_babe::BabeApi<Block> for Runtime {
Expand Down
2 changes: 1 addition & 1 deletion substrate/frame/babe/src/mock.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -193,7 +193,7 @@ impl pallet_staking::Config for Test {
type SessionInterface = Self;
type UnixTime = pallet_timestamp::Pallet<Test>;
type EraPayout = pallet_staking::ConvertCurve<RewardCurve>;
type MaxNominatorRewardedPerValidator = ConstU32<64>;
type MaxExposurePageSize = ConstU32<64>;
type OffendingValidatorsThreshold = OffendingValidatorsThreshold;
type NextNewSession = Session;
type ElectionProvider = onchain::OnChainExecution<OnChainSeqPhragmen>;
Expand Down
8 changes: 4 additions & 4 deletions substrate/frame/babe/src/tests.rs
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Expand Up @@ -440,7 +440,7 @@ fn report_equivocation_current_session_works() {
assert_eq!(Staking::slashable_balance_of(validator), 10_000);

assert_eq!(
Staking::eras_stakers(1, validator),
Staking::eras_stakers(1, &validator),
pallet_staking::Exposure { total: 10_000, own: 10_000, others: vec![] },
);
}
Expand Down Expand Up @@ -481,7 +481,7 @@ fn report_equivocation_current_session_works() {
assert_eq!(Balances::total_balance(&offending_validator_id), 10_000_000 - 10_000);
assert_eq!(Staking::slashable_balance_of(&offending_validator_id), 0);
assert_eq!(
Staking::eras_stakers(2, offending_validator_id),
Staking::eras_stakers(2, &offending_validator_id),
pallet_staking::Exposure { total: 0, own: 0, others: vec![] },
);

Expand All @@ -494,7 +494,7 @@ fn report_equivocation_current_session_works() {
assert_eq!(Balances::total_balance(validator), 10_000_000);
assert_eq!(Staking::slashable_balance_of(validator), 10_000);
assert_eq!(
Staking::eras_stakers(2, validator),
Staking::eras_stakers(2, &validator),
pallet_staking::Exposure { total: 10_000, own: 10_000, others: vec![] },
);
}
Expand Down Expand Up @@ -553,7 +553,7 @@ fn report_equivocation_old_session_works() {
assert_eq!(Balances::total_balance(&offending_validator_id), 10_000_000 - 10_000);
assert_eq!(Staking::slashable_balance_of(&offending_validator_id), 0);
assert_eq!(
Staking::eras_stakers(3, offending_validator_id),
Staking::eras_stakers(3, &offending_validator_id),
pallet_staking::Exposure { total: 0, own: 0, others: vec![] },
);
})
Expand Down
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