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Accept new Phragmén solutions if they are epsilon better + Better pre-inclusion checks. (#6173)

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* part1: Accept inly epsilon better solutions

* Fix pre-dispatch check

* Fix build

* review grumbles

* Epsilon -> Threshold
This commit is contained in:
Kian Paimani
2020-06-02 17:22:56 +02:00
committed by GitHub
parent 6547d7a09a
commit 0eec4bb795
14 changed files with 310 additions and 46 deletions
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substrate/bin/node/runtime/src/lib.rs
+5 -2
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@@ -320,9 +320,11 @@ parameter_types! {
pub const BondingDuration: pallet_staking::EraIndex = 24 * 28;
pub const SlashDeferDuration: pallet_staking::EraIndex = 24 * 7; // 1/4 the bonding duration.
pub const RewardCurve: &'static PiecewiseLinear<'static> = &REWARD_CURVE;
pub const ElectionLookahead: BlockNumber = EPOCH_DURATION_IN_BLOCKS / 4;
pub const MaxNominatorRewardedPerValidator: u32 = 64;
pub const MaxIterations: u32 = 5;
pub const ElectionLookahead: BlockNumber = EPOCH_DURATION_IN_BLOCKS / 4;
pub const MaxIterations: u32 = 10;
// 0.05%. The higher the value, the more strict solution acceptance becomes.
pub MinSolutionScoreBump: Perbill = Perbill::from_rational_approximation(5u32, 10_000);
}
impl pallet_staking::Trait for Runtime {
@@ -344,6 +346,7 @@ impl pallet_staking::Trait for Runtime {
type ElectionLookahead = ElectionLookahead;
type Call = Call;
type MaxIterations = MaxIterations;
type MinSolutionScoreBump = MinSolutionScoreBump;
type MaxNominatorRewardedPerValidator = MaxNominatorRewardedPerValidator;
type UnsignedPriority = StakingUnsignedPriority;
}