Trait pallet_session::Config[−][src]

pub trait Config: Config {
    type Event: From<Event> + Into<Self::Event>;
    type ValidatorId: Member + Parameter;
    type ValidatorIdOf: Convert<Self::AccountId, Option<Self::ValidatorId>>;
    type ShouldEndSession: ShouldEndSession<Self::BlockNumber>;
    type NextSessionRotation: EstimateNextSessionRotation<Self::BlockNumber>;
    type SessionManager: SessionManager<Self::ValidatorId>;
    type SessionHandler: SessionHandler<Self::ValidatorId>;
    type Keys: OpaqueKeys + Member + Parameter + Default;
    type DisabledValidatorsThreshold: Get<Perbill>;
    type WeightInfo: WeightInfo;
}

Associated Types

type Event: From<Event> + Into<Self::Event>[src]

The overarching event type.

type ValidatorId: Member + Parameter[src]

A stable ID for a validator.

type ValidatorIdOf: Convert<Self::AccountId, Option<Self::ValidatorId>>[src]

A conversion from account ID to validator ID.

Its cost must be at most one storage read.

type ShouldEndSession: ShouldEndSession<Self::BlockNumber>[src]

Indicator for when to end the session.

type NextSessionRotation: EstimateNextSessionRotation<Self::BlockNumber>[src]

Something that can predict the next session rotation. This should typically come from the same logical unit that provides ShouldEndSession, yet, it gives a best effort estimate. It is helpful to implement EstimateNextNewSession.

type SessionManager: SessionManager<Self::ValidatorId>[src]

Handler for managing new session.

type SessionHandler: SessionHandler<Self::ValidatorId>[src]

Handler when a session has changed.

type Keys: OpaqueKeys + Member + Parameter + Default[src]

The keys.

type DisabledValidatorsThreshold: Get<Perbill>[src]

The fraction of validators set that is safe to be disabled.

After the threshold is reached disabled method starts to return true, which in combination with pallet_staking forces a new era.

type WeightInfo: WeightInfo[src]

Weight information for extrinsics in this pallet.

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Implementors

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