tracker

type Accepted interface {
	validators.SetCallbackListener

	// SetAcceptedFrontier updates the latest frontier for [nodeID] to
	// [frontier]. If [nodeID] is not currently a validator, this is a noop.
	SetAcceptedFrontier(nodeID ids.NodeID, frontier []ids.ID)
	// AcceptedFrontier returns the latest known accepted frontier of [nodeID].
	// If [nodeID]'s last accepted frontier is unknown, an empty slice will be
	// returned.
	AcceptedFrontier(nodeID ids.NodeID) []ids.ID
}

type Peers interface {
	validators.SetCallbackListener
	validators.Connector

	// ConnectedWeight returns the currently connected stake weight
	ConnectedWeight() uint64
	// PreferredPeers returns the currently connected validators. If there are
	// no currently connected validators then it will return the currently
	// connected peers.
	PreferredPeers() set.Set[ids.NodeID]
}

type Startup interface {
	Peers

	ShouldStart() bool
}