validators

type Manager interface {
	// PutValidatorSet puts associaties the given subnet ID with the given validator set
	PutValidatorSet(ids.ID, Set)

	// RemoveValidatorSet removes the specified validator set
	RemoveValidatorSet(ids.ID)

	// GetGroup returns:
	// 1) the validator set of the subnet with the specified ID
	// 2) false if there is no subnet with the specified ID
	GetValidatorSet(ids.ID) (Set, bool)
}

type Set interface {
	fmt.Stringer

	// Set removes all the current validators and adds all the provided
	// validators to the set.
	Set([]Validator) error

	// Add the provided validator to the set.
	Add(Validator) error

	// Get the validator from the set.
	Get(ids.ShortID) (Validator, bool)

	// Remove the validator with the specified ID.
	Remove(ids.ShortID) error

	// Contains returns true if there is a validator with the specified ID
	// currently in the set.
	Contains(ids.ShortID) bool

	// Len returns the number of validators currently in the set.
	Len() int

	// List all the validators in this group
	List() []Validator

	// Weight returns the cumulative weight of all validators in the set.
	Weight() uint64

	// Sample returns a collection of validators, potentially with duplicates.
	// If sampling the requested size isn't possible, an error will be returned.
	Sample(size int) ([]Validator, error)
}

type Validator interface {
	// ID returns the unique id of this validator
	ID() ids.ShortID

	// Weight that can be used for weighted sampling.
	// If this validator is validating the default subnet, returns the amount of
	// AVAX staked
	Weight() uint64
}