27 lines
1.0 KiB
Solidity
27 lines
1.0 KiB
Solidity
// SPDX-License-Identifier: MIT
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pragma solidity ^0.8.0;
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import "../ERC1967/ERC1967Upgrade.sol";
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/**
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* @dev Base contract for building openzeppelin-upgrades compatible implementations for the {ERC1967Proxy}. It includes
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* publicly available upgrade functions that are called by the plugin and by the secure upgrade mechanism to verify
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* continuation of the upgradability.
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*
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* The {_authorizeUpgrade} function MUST be overridden to include access restriction to the upgrade mechanism.
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*/
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abstract contract UUPSUpgradeable is ERC1967Upgrade {
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function upgradeTo(address newImplementation) external virtual {
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_authorizeUpgrade(newImplementation);
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_upgradeToAndCallSecure(newImplementation, bytes(""), false);
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}
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function upgradeToAndCall(address newImplementation, bytes memory data) external payable virtual {
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_authorizeUpgrade(newImplementation);
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_upgradeToAndCallSecure(newImplementation, data, true);
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}
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function _authorizeUpgrade(address newImplementation) internal virtual;
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}
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