collectivebeacon

Documentation

Index

• Variables
• func ExtractRandomness(signature []byte) ([]byte, error)
• func ProcessBeacon(drng *state.State, cb *events.CollectiveBeaconEvent) error
• func VerifyCollectiveBeacon(state *state.State, data *events.CollectiveBeaconEvent) error

Variables

var (
	// ErrDistributedPubKeyMismatch is returned if the distributed public key does not match.
	ErrDistributedPubKeyMismatch = errors.New("Distributed Public Key does not match")
	// ErrInvalidRound is returned if the round is invalid.
	ErrInvalidRound = errors.New("Invalid Round")
	// ErrInstanceIDMismatch is returned if the instanceID does not match.
	ErrInstanceIDMismatch = errors.New("InstanceID does not match")
	// ErrInvalidIssuer is returned if the issuer is invalid.
	ErrInvalidIssuer = errors.New("Invalid Issuer")
	// ErrNilState is returned on nil state.
	ErrNilState = errors.New("Nil state")
	// ErrNilData is returned on nil data.
	ErrNilData = errors.New("Nil data")
)

Functions

func ExtractRandomness

func ExtractRandomness(signature []byte) ([]byte, error)

ExtractRandomness returns the randomness from a given signature.

func ProcessBeacon

func ProcessBeacon(drng *state.State, cb *events.CollectiveBeaconEvent) error

ProcessBeacon performs the following tasks: - verify that we have a valid random - update drng state

func VerifyCollectiveBeacon

func VerifyCollectiveBeacon(state *state.State, data *events.CollectiveBeaconEvent) error

VerifyCollectiveBeacon verifies against a given state that the given CollectiveBeaconEvent contains a valid beacon.