[
    "constructor(address,address,bytes) payable",
    "event AdminChanged(address,address)",
    "event BeaconUpgraded(address indexed)",
    "event Upgraded(address indexed)",
    "function admin() returns (address)",
    "function changeAdmin(address)",
    "function implementation() returns (address)",
    "function upgradeTo(address)",
    "function upgradeToAndCall(address,bytes) payable"
]