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2022-01-31 19:54:20 +00:00
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8
contracts/proxy/utils/UUPSUpgradeable.sol
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@ -21,8 +21,6 @@ import "./Initializable.sol";
*/
abstract contract UUPSUpgradeable is Initializable, IERC1822ProxiableUpgradeable, ERC1967UpgradeUpgradeable {
function __UUPSUpgradeable_init() internal onlyInitializing {
__ERC1967Upgrade_init_unchained();
__UUPSUpgradeable_init_unchained();
}
function __UUPSUpgradeable_init_unchained() internal onlyInitializing {
@ -100,5 +98,11 @@ abstract contract UUPSUpgradeable is Initializable, IERC1822ProxiableUpgradeable
* ```
*/
function _authorizeUpgrade(address newImplementation) internal virtual;
/**
* This empty reserved space is put in place to allow future versions to add new
* variables without shifting down storage in the inheritance chain.
* See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
*/
uint256[50] private __gap;
}