{
    "Function": "slitherConstructorConstantVariables",
    "File": "contracts/util/Upgradable.sol",
    "Parent Contracts": [
        "contracts/interfaces/IUpgradable.sol"
    ],
    "High-Level Calls": [],
    "Internal Calls": [],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "abstract contract Upgradable is IUpgradable {\n    // bytes32(uint256(keccak256('eip1967.proxy.implementation')) - 1)\n    bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;\n    // keccak256('owner')\n    bytes32 internal constant _OWNER_SLOT = 0x02016836a56b71f0d02689e69e326f4f4c1b9057164ef592671cf0d37c8040c0;\n\n    modifier onlyOwner() {\n        if (owner() != msg.sender) revert NotOwner();\n        _;\n    }\n\n    function owner() public view returns (address owner_) {\n        // solhint-disable-next-line no-inline-assembly\n        assembly {\n            owner_ := sload(_OWNER_SLOT)\n        }\n    }\n\n    function transferOwnership(address newOwner) external virtual onlyOwner {\n        if (newOwner == address(0)) revert InvalidOwner();\n\n        emit OwnershipTransferred(newOwner);\n        // solhint-disable-next-line no-inline-assembly\n        assembly {\n            sstore(_OWNER_SLOT, newOwner)\n        }\n    }\n\n    function implementation() public view returns (address implementation_) {\n        // solhint-disable-next-line no-inline-assembly\n        assembly {\n            implementation_ := sload(_IMPLEMENTATION_SLOT)\n        }\n    }\n\n    function upgrade(\n        address newImplementation,\n        bytes32 newImplementationCodeHash,\n        bytes calldata params\n    ) external override onlyOwner {\n        if (IUpgradable(newImplementation).contractId() != IUpgradable(this).contractId()) revert InvalidImplementation();\n        if (newImplementationCodeHash != newImplementation.codehash) revert InvalidCodeHash();\n\n        if (params.length > 0) {\n            // solhint-disable-next-line avoid-low-level-calls\n            (bool success, ) = newImplementation.delegatecall(abi.encodeWithSelector(this.setup.selector, params));\n\n            if (!success) revert SetupFailed();\n        }\n\n        emit Upgraded(newImplementation);\n        // solhint-disable-next-line no-inline-assembly\n        assembly {\n            sstore(_IMPLEMENTATION_SLOT, newImplementation)\n        }\n    }\n\n    function setup(bytes calldata data) external override {\n        // Prevent setup from being called on the implementation\n        if (implementation() == address(0)) revert NotProxy();\n\n        _setup(data);\n    }\n\n    // solhint-disable-next-line no-empty-blocks\n    function _setup(bytes calldata data) internal virtual {}\n}"
}