ykval

var (
	// ErrInvalidTimeout is propagated when parsing of timeout fails or is invalid
	ErrInvalidTimeout = fmt.Errorf("invalid timeout string")

	// ErrInvalidSync  is propagated when parsing of sync fails or is invalid
	ErrInvalidSync = fmt.Errorf("invalid sync string")
)

var (

	// ErrNoID is returned when no identifier is provided
	ErrNoID = fmt.Errorf("no ID provided")
	// ErrInvalidID is returned when the identifier is invalid
	ErrInvalidID = fmt.Errorf("invalid ID format")
	// ErrNoNonce is returned when nonce string is not provided
	ErrNoNonce = errors.New("no nonce provided")
	// ErrInvalidNonce is returned when the nonce string format is invalid
	ErrInvalidNonce = errors.New("invalid nonce format")

	// ErrNoClient is returned when no matching client can be found
	ErrNoClient = fmt.Errorf("no matching client")
	// ErrInvalidSignature is returned when the HMAC signature is invalid
	ErrInvalidSignature = fmt.Errorf("invalid signature")

	// ErrDelayedOTP is returned when OTP is out of date
	ErrDelayedOTP = fmt.Errorf("delayed OTP")
	// ErrReplayedOTP is returned when OTP as already been seen
	ErrReplayedOTP = fmt.Errorf("replayed OTP")

	// ErrReplayedRequest is returned when the request as already been seen
	ErrReplayedRequest = fmt.Errorf("replayed request")
	// ErrNotEnoughAnswers is returned when there is not enough answers for consensus
	ErrNotEnoughAnswers = fmt.Errorf("not enough answers")
	// ErrMissingParameter is returned when we miss one or more parameter
	ErrMissingParameter = fmt.Errorf("parameter missing")
	// ErrOperationNotAllowed is returned when something forbidden is requested
	ErrOperationNotAllowed = fmt.Errorf("operation not allowed")
	// ErrBackend is returned when some of the backend return an internal error
	ErrBackend = fmt.Errorf("backend error")
	// ErrUnknown is returned when something unexpected occurs
	ErrUnknown = fmt.Errorf("unknown error")
)