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Move upgradeToAndCallUUPS to UUPSUpgradeable (#4356)

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Co-authored-by: ernestognw <ernestognw@gmail.com>
This commit is contained in:
Hadrien Croubois
2023-06-17 04:25:58 +02:00
committed by GitHub
parent 002a7c8812
commit 1a77a508f9
7 changed files with 97 additions and 119 deletions
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34
contracts/proxy/ERC1967/ERC1967Utils.sol
View File

@ -4,8 +4,6 @@
pragma solidity ^0.8.20;
import "../beacon/IBeacon.sol";
import "../../interfaces/IERC1967.sol";
import "../../interfaces/draft-IERC1822.sol";
import "../../utils/Address.sol";
import "../../utils/StorageSlot.sol";
@ -33,9 +31,6 @@ library ERC1967Utils {
*/
event BeaconUpgraded(address indexed beacon);
// This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1
bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;
/**
* @dev Storage slot with the address of the current implementation.
* This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
@ -59,11 +54,6 @@ library ERC1967Utils {
*/
error ERC1967InvalidBeacon(address beacon);
/**
* @dev The storage `slot` is unsupported as a UUID.
*/
error ERC1967UnsupportedProxiableUUID(bytes32 slot);
/**
* @dev Returns the current implementation address.
*/
@ -103,30 +93,6 @@ library ERC1967Utils {
}
}
/**
* @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call.
*
* Emits an {IERC1967-Upgraded} event.
*/
function upgradeToAndCallUUPS(address newImplementation, bytes memory data, bool forceCall) internal {
// Upgrades from old implementations will perform a rollback test. This test requires the new
// implementation to upgrade back to the old, non-ERC1822 compliant, implementation. Removing
// this special case will break upgrade paths from old UUPS implementation to new ones.
if (StorageSlot.getBooleanSlot(_ROLLBACK_SLOT).value) {
_setImplementation(newImplementation);
} else {
try IERC1822Proxiable(newImplementation).proxiableUUID() returns (bytes32 slot) {
if (slot != IMPLEMENTATION_SLOT) {
revert ERC1967UnsupportedProxiableUUID(slot);
}
} catch {
// The implementation is not UUPS
revert ERC1967InvalidImplementation(newImplementation);
}
upgradeToAndCall(newImplementation, data, forceCall);
}
}
/**
* @dev Storage slot with the admin of the contract.
* This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is

1
contracts/proxy/transparent/TransparentUpgradeableProxy.sol
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@ -4,6 +4,7 @@
pragma solidity ^0.8.19;
import "../ERC1967/ERC1967Proxy.sol";
import "../../interfaces/IERC1967.sol";
/**
* @dev Interface for {TransparentUpgradeableProxy}. In order to implement transparency, {TransparentUpgradeableProxy}

36
contracts/proxy/utils/UUPSUpgradeable.sol
View File

@ -27,6 +27,11 @@ abstract contract UUPSUpgradeable is IERC1822Proxiable {
*/
error UUPSUnauthorizedCallContext();
/**
* @dev The storage `slot` is unsupported as a UUID.
*/
error UUPSUnsupportedProxiableUUID(bytes32 slot);
/**
* @dev Check that the execution is being performed through a delegatecall call and that the execution context is
* a proxy contract with an implementation (as defined in ERC1967) pointing to self. This should only be the case
@ -35,12 +40,10 @@ abstract contract UUPSUpgradeable is IERC1822Proxiable {
* fail.
*/
modifier onlyProxy() {
if (address(this) == __self) {
// Must be called through delegatecall
revert UUPSUnauthorizedCallContext();
}
if (ERC1967Utils.getImplementation() != __self) {
// Must be called through an active proxy
if (
address(this) == __self || // Must be called through delegatecall
ERC1967Utils.getImplementation() != __self // Must be called through an active proxy
) {
revert UUPSUnauthorizedCallContext();
}
_;
@ -81,7 +84,7 @@ abstract contract UUPSUpgradeable is IERC1822Proxiable {
*/
function upgradeTo(address newImplementation) public virtual onlyProxy {
_authorizeUpgrade(newImplementation);
ERC1967Utils.upgradeToAndCallUUPS(newImplementation, new bytes(0), false);
_upgradeToAndCallUUPS(newImplementation, new bytes(0), false);
}
/**
@ -96,7 +99,7 @@ abstract contract UUPSUpgradeable is IERC1822Proxiable {
*/
function upgradeToAndCall(address newImplementation, bytes memory data) public payable virtual onlyProxy {
_authorizeUpgrade(newImplementation);
ERC1967Utils.upgradeToAndCallUUPS(newImplementation, data, true);
_upgradeToAndCallUUPS(newImplementation, data, true);
}
/**
@ -110,4 +113,21 @@ abstract contract UUPSUpgradeable is IERC1822Proxiable {
* ```
*/
function _authorizeUpgrade(address newImplementation) internal virtual;
/**
* @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call.
*
* Emits an {IERC1967-Upgraded} event.
*/
function _upgradeToAndCallUUPS(address newImplementation, bytes memory data, bool forceCall) private {
try IERC1822Proxiable(newImplementation).proxiableUUID() returns (bytes32 slot) {
if (slot != ERC1967Utils.IMPLEMENTATION_SLOT) {
revert UUPSUnsupportedProxiableUUID(slot);
}
ERC1967Utils.upgradeToAndCall(newImplementation, data, forceCall);
} catch {
// The implementation is not UUPS
revert ERC1967Utils.ERC1967InvalidImplementation(newImplementation);
}
}
}