function instaIndex() view returns (address)

function isAuth(address user) view returns (bool)

function shield() view returns (bool)

function version() view returns (uint256)

function cast(address[] _targets, bytes[] _datas, address _origin) payable

function disable(address user)

function enable(address user)

function switchShield(bool _shield)

event LogCast(address indexed origin, address indexed sender, uint256 value)

event LogDisable(address indexed user)

event LogEnable(address indexed user)

event LogSwitchShield(bool _shield)