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staking: Flexible generation of reward curve and associated tweaks (#8327)

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* Initial abstraction

* Alter rest of APIs

* Fixes

* Some extra getters in Gilt pallet.

* Refactor Gilt to avoid u128 conversions

* Simplify and improve pow in per_things

* Add scalar division to per_things

* Renaming from_fraction -> from_float, drop _approximation

* Fixes

* Fixes

* Fixes

* Fixes

* Make stuff build

* Fixes

* Fixes

* Fixes

* Fixes

* Update .gitignore

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

* Update frame/gilt/src/lib.rs

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

* Update frame/gilt/src/mock.rs

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

* Fixes

* Fixes

* Fixes

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>
Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>
This commit is contained in:
Gavin Wood
2021-03-16 13:03:58 +01:00
committed by GitHub
parent b6c626399e
commit 363db4f086
32 changed files with 342 additions and 226 deletions
Download Patch File Download Diff File Expand all files Collapse all files
substrate/frame/babe/src/equivocation.rs
+1 -1
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@@ -290,7 +290,7 @@ impl<FullIdentification: Clone> Offence<FullIdentification>
fn slash_fraction(offenders_count: u32, validator_set_count: u32) -> Perbill {
// the formula is min((3k / n)^2, 1)
let x = Perbill::from_rational_approximation(3 * offenders_count, validator_set_count);
let x = Perbill::from_rational(3 * offenders_count, validator_set_count);
// _ ^ 2
x.square()
}
substrate/frame/babe/src/lib.rs
+1 -1
View File
@@ -784,7 +784,7 @@ impl<T: Config> frame_support::traits::EstimateNextSessionRotation<T::BlockNumbe
let elapsed = CurrentSlot::get().saturating_sub(Self::current_epoch_start()) + 1;
(
Some(Percent::from_rational_approximation(
Some(Percent::from_rational(
*elapsed,
T::EpochDuration::get(),
)),
substrate/frame/babe/src/mock.rs
+1 -1
View File
@@ -205,7 +205,7 @@ impl pallet_staking::Config for Test {
type SlashCancelOrigin = frame_system::EnsureRoot<Self::AccountId>;
type SessionInterface = Self;
type UnixTime = pallet_timestamp::Module<Test>;
type RewardCurve = RewardCurve;
type EraPayout = pallet_staking::ConvertCurve<RewardCurve>;
type MaxNominatorRewardedPerValidator = MaxNominatorRewardedPerValidator;
type NextNewSession = Session;
type ElectionLookahead = ElectionLookahead;