[−][src]Trait pallet_elections::Trait

pub trait Trait: Trait {
    type Event: From<Event<Self>> + Into<Self::Event>;
    type Currency: LockableCurrency<Self::AccountId, Moment = Self::BlockNumber> + ReservableCurrency<Self::AccountId>;
    type BadPresentation: OnUnbalanced<<Self::Currency as Currency<Self::AccountId>>::NegativeImbalance>;
    type BadReaper: OnUnbalanced<<Self::Currency as Currency<Self::AccountId>>::NegativeImbalance>;
    type BadVoterIndex: OnUnbalanced<<Self::Currency as Currency<Self::AccountId>>::NegativeImbalance>;
    type LoserCandidate: OnUnbalanced<<Self::Currency as Currency<Self::AccountId>>::NegativeImbalance>;
    type ChangeMembers: ChangeMembers<Self::AccountId>;
    type CandidacyBond: Get<<Self::Currency as Currency<Self::AccountId>>::Balance>;
    type VotingBond: Get<<Self::Currency as Currency<Self::AccountId>>::Balance>;
    type VotingFee: Get<<Self::Currency as Currency<Self::AccountId>>::Balance>;
    type MinimumVotingLock: Get<<Self::Currency as Currency<Self::AccountId>>::Balance>;
    type PresentSlashPerVoter: Get<<Self::Currency as Currency<Self::AccountId>>::Balance>;
    type CarryCount: Get<u32>;
    type InactiveGracePeriod: Get<VoteIndex>;
    type VotingPeriod: Get<Self::BlockNumber>;
    type DecayRatio: Get<u32>;
}

Associated Types

`type Event: From<Event<Self>> + Into<Self::Event>`

`type Currency: LockableCurrency<Self::AccountId, Moment = Self::BlockNumber> + ReservableCurrency<Self::AccountId>`

The currency that people are electing with.

`type BadPresentation: OnUnbalanced<<Self::Currency as Currency<Self::AccountId>>::NegativeImbalance>`

Handler for the unbalanced reduction when slashing a validator.

`type BadReaper: OnUnbalanced<<Self::Currency as Currency<Self::AccountId>>::NegativeImbalance>`

Handler for the unbalanced reduction when slashing an invalid reaping attempt.

`type BadVoterIndex: OnUnbalanced<<Self::Currency as Currency<Self::AccountId>>::NegativeImbalance>`

Handler for the unbalanced reduction when submitting a bad voter_index.

`type LoserCandidate: OnUnbalanced<<Self::Currency as Currency<Self::AccountId>>::NegativeImbalance>`

Handler for the unbalanced reduction when a candidate has lost (and is not a runner up)

`type ChangeMembers: ChangeMembers<Self::AccountId>`

What to do when the members change.

`type CandidacyBond: Get<<Self::Currency as Currency<Self::AccountId>>::Balance>`

How much should be locked up in order to submit one's candidacy. A reasonable default value is 9.

`type VotingBond: Get<<Self::Currency as Currency<Self::AccountId>>::Balance>`

How much should be locked up in order to be able to submit votes.

`type VotingFee: Get<<Self::Currency as Currency<Self::AccountId>>::Balance>`

The amount of fee paid upon each vote submission, unless if they submit a hole index and replace it.

`type MinimumVotingLock: Get<<Self::Currency as Currency<Self::AccountId>>::Balance>`

Minimum about that can be used as the locked value for voting.

`type PresentSlashPerVoter: Get<<Self::Currency as Currency<Self::AccountId>>::Balance>`

The punishment, per voter, if you provide an invalid presentation. A reasonable default value is 1.

`type CarryCount: Get<u32>`

How many runners-up should have their approvals persist until the next vote. A reasonable default value is 2.

`type InactiveGracePeriod: Get<VoteIndex>`

How many vote indices need to go by after a target voter's last vote before they can be reaped if their approvals are moot. A reasonable default value is 1.

`type VotingPeriod: Get<Self::BlockNumber>`

How often (in blocks) to check for new votes. A reasonable default value is 1000.

Decay factor of weight when being accumulated. It should typically be set to at least membership_size -1 to keep the collective secure. When set to N, it indicates (1/N)^t of staked is decayed at weight increment step t. 0 will result in no weight being added at all (normal approval voting). A reasonable default value is 24.

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Implementors

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