func (g Grant) ValidateBasic() error {
	if g.Expiration.Unix() < time.Now().Unix() {
		return sdkerrors.Wrap(ErrInvalidExpirationTime, "Time can't be in the past")
	}

	av := g.Authorization.GetCachedValue()
	a, ok := av.(Authorization)
	if !ok {
		return sdkerrors.Wrapf(sdkerrors.ErrInvalidType, "expected %T, got %T", (Authorization)(nil), av)
	}
	return a.ValidateBasic()
}
The software does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the software.