Trait frame_election_provider_support::ElectionProvider[−][src]

pub trait ElectionProvider<AccountId, BlockNumber> {
    type Error: Debug;
    type DataProvider: ElectionDataProvider<AccountId, BlockNumber>;
    fn elect() -> Result<Supports<AccountId>, Self::Error>;
}
Expand description

Something that can compute the result of an election and pass it back to the caller.

This trait only provides an interface to request an election, i.e. ElectionProvider::elect. That data required for the election need to be passed to the implemented of this trait through ElectionProvider::DataProvider.

Associated Types

The error type that is returned by the provider.

The data provider of the election.

Required methods

Elect a new set of winners.

The result is returned in a target major format, namely as vector of supports.

This should be implemented as a self-weighing function. The implementor should register its appropriate weight at the end of execution with the system pallet directly.

Implementations on Foreign Types

Implementors