{
    "Function": "_upgradeToAndCallSecure",
    "File": "contracts/openzeppelin-solidity/contracts/proxy/ERC1967/ERC1967Upgrade.sol",
    "Parent Contracts": [],
    "High-Level Calls": [
        "Address",
        "Address",
        "StorageSlot"
    ],
    "Internal Calls": [
        "_getImplementation",
        "abi.encodeWithSignature()",
        "require(bool,string)",
        "_setImplementation",
        "_upgradeTo",
        "_getImplementation"
    ],
    "Library Calls": [
        "getBooleanSlot",
        "functionDelegateCall",
        "functionDelegateCall"
    ],
    "Low-Level Calls": [],
    "Code": "function _upgradeToAndCallSecure(\n        address newImplementation,\n        bytes memory data,\n        bool forceCall\n    ) internal {\n        address oldImplementation = _getImplementation();\n\n        // Initial upgrade and setup call\n        _setImplementation(newImplementation);\n        if (data.length > 0 || forceCall) {\n            Address.functionDelegateCall(newImplementation, data);\n        }\n\n        // Perform rollback test if not already in progress\n        StorageSlot.BooleanSlot storage rollbackTesting = StorageSlot.getBooleanSlot(_ROLLBACK_SLOT);\n        if (!rollbackTesting.value) {\n            // Trigger rollback using upgradeTo from the new implementation\n            rollbackTesting.value = true;\n            Address.functionDelegateCall(\n                newImplementation,\n                abi.encodeWithSignature(\"upgradeTo(address)\", oldImplementation)\n            );\n            rollbackTesting.value = false;\n            // Check rollback was effective\n            require(oldImplementation == _getImplementation(), \"ERC1967Upgrade: upgrade breaks further upgrades\");\n            // Finally reset to the new implementation and log the upgrade\n            _upgradeTo(newImplementation);\n        }\n    }"
}