ringtail

type PrivateKey interface {
	PublicKey() PublicKey
	Sign(message []byte) ([]byte, error)
}

type PublicKey interface {
	Bytes() []byte
}

type RingtailValidator interface {
	// SelectValidators randomly selects a subset of validators for signing
	SelectValidators(validatorSet []Validator, threshold int) ([]Validator, error)

	// CreateRingSignature creates a ring signature that hides which validator signed
	CreateRingSignature(message []byte, signerKey PrivateKey, ring []PublicKey) ([]byte, error)

	// VerifyRingSignature verifies a ring signature without revealing the signer
	VerifyRingSignature(message []byte, signature []byte, ring []PublicKey) bool
}

type Validator interface {
	ID() [32]byte
	PublicKey() PublicKey
	Weight() uint64
}