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Parachains double vote handler initial implementation. (#840)

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* Parachains double vote handler initial implementation.

* Make tests test the actual slashing.

* Implement SignedExtension validation of double vote reports.

* Fixes build after merge

* Review fixes

* Adds historical session proofs

* Review fixes.

* Bump runtime spec_version

* Get the session number from the proof

* Check that proof matches session

* Change signature type on DoubleVoteReport

* Adds docs and removes blank lines

* Removes leftover code

* Fix build

* Fix build after a merge

* Apply suggestions from code review

Co-Authored-By: Robert Habermeier <rphmeier@gmail.com>

* Prune ParentToSessionIndex

* Remove a clone and a warning

Co-authored-by: Robert Habermeier <rphmeier@gmail.com>
Co-authored-by: Gavin Wood <gavin@parity.io>
This commit is contained in:
Fedor Sakharov
2020-03-22 09:48:35 +03:00
committed by GitHub
parent 3293186b90
commit 88ba024489
9 changed files with 1121 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files
polkadot/runtime/common/src/parachains.rs
+1023 -22
View File
File diff suppressed because it is too large Load Diff
polkadot/runtime/common/src/registrar.rs
+53 -3
View File
@@ -312,7 +312,7 @@ decl_module! {
) {
let who = ensure_signed(origin)?;
T::Currency::reserve(&who, T::ParathreadDeposit::get())?;
<T as Trait>::Currency::reserve(&who, T::ParathreadDeposit::get())?;
let info = ParaInfo {
scheduling: Scheduling::Dynamic,
@@ -371,7 +371,7 @@ decl_module! {
Self::force_unschedule(|i| i == id);
let debtor = <Debtors<T>>::take(id);
let _ = T::Currency::unreserve(&debtor, T::ParathreadDeposit::get());
let _ = <T as Trait>::Currency::unreserve(&debtor, T::ParathreadDeposit::get());
Self::deposit_event(Event::ParathreadRegistered(id));
}
@@ -646,7 +646,7 @@ mod tests {
traits::{
BlakeTwo256, IdentityLookup, OnInitialize, OnFinalize, Dispatchable,
AccountIdConversion,
}, testing::{UintAuthorityId, Header}, Perbill
}, testing::{UintAuthorityId, Header}, KeyTypeId, Perbill, curve::PiecewiseLinear,
};
use primitives::{
parachain::{
@@ -657,6 +657,7 @@ mod tests {
Balance, BlockNumber,
};
use frame_support::{
traits::KeyOwnerProofSystem,
impl_outer_origin, impl_outer_dispatch, assert_ok, parameter_types, assert_noop,
};
use keyring::Sr25519Keyring;
@@ -678,6 +679,17 @@ mod tests {
}
}
pallet_staking_reward_curve::build! {
const REWARD_CURVE: PiecewiseLinear<'static> = curve!(
min_inflation: 0_025_000,
max_inflation: 0_100_000,
ideal_stake: 0_500_000,
falloff: 0_050_000,
max_piece_count: 40,
test_precision: 0_005_000,
);
}
#[derive(Clone, Eq, PartialEq)]
pub struct Test;
parameter_types! {
@@ -735,7 +747,12 @@ mod tests {
}
parameter_types!{
pub const SlashDeferDuration: staking::EraIndex = 7;
pub const AttestationPeriod: BlockNumber = 100;
pub const MinimumPeriod: u64 = 3;
pub const SessionsPerEra: sp_staking::SessionIndex = 6;
pub const BondingDuration: staking::EraIndex = 28;
pub const MaxNominatorRewardedPerValidator: u32 = 64;
}
impl attestations::Trait for Test {
@@ -748,6 +765,7 @@ mod tests {
pub const Period: BlockNumber = 1;
pub const Offset: BlockNumber = 0;
pub const DisabledValidatorsThreshold: Perbill = Perbill::from_percent(17);
pub const RewardCurve: &'static PiecewiseLinear<'static> = &REWARD_CURVE;
}
impl session::Trait for Test {
@@ -766,6 +784,34 @@ mod tests {
pub const MaxCodeSize: u32 = 100;
}
impl staking::Trait for Test {
type RewardRemainder = ();
type CurrencyToVote = ();
type Event = ();
type Currency = balances::Module<Test>;
type Slash = ();
type Reward = ();
type SessionsPerEra = SessionsPerEra;
type BondingDuration = BondingDuration;
type SlashDeferDuration = SlashDeferDuration;
type SlashCancelOrigin = system::EnsureRoot<Self::AccountId>;
type SessionInterface = Self;
type Time = timestamp::Module<Test>;
type RewardCurve = RewardCurve;
type MaxNominatorRewardedPerValidator = MaxNominatorRewardedPerValidator;
}
impl timestamp::Trait for Test {
type Moment = u64;
type OnTimestampSet = ();
type MinimumPeriod = MinimumPeriod;
}
impl session::historical::Trait for Test {
type FullIdentification = staking::Exposure<u64, Balance>;
type FullIdentificationOf = staking::ExposureOf<Self>;
}
impl parachains::Trait for Test {
type Origin = Origin;
type Call = Call;
@@ -775,6 +821,10 @@ mod tests {
type Randomness = RandomnessCollectiveFlip;
type MaxCodeSize = MaxCodeSize;
type MaxHeadDataSize = MaxHeadDataSize;
type Proof = session::historical::Proof;
type KeyOwnerProofSystem = session::historical::Module<Test>;
type IdentificationTuple = <Self::KeyOwnerProofSystem as KeyOwnerProofSystem<(KeyTypeId, Vec<u8>)>>::IdentificationTuple;
type ReportOffence = ();
}
parameter_types! {