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- Contract name:
- ERC1967Proxy
- Optimization enabled
- true
- Compiler version
- v0.8.9+commit.e5eed63a
- Optimization runs
- 200
- EVM Version
- default
- Verified at
- 2023-10-20T15:06:29.940431Z
Constructor Arguments
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
Arg [0] (address) : 0x35a58beee77a2ad547fcded7e8cb1c6e19746b13
Arg [1] (bytes) : 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
@openzeppelin/contracts/proxy/ERC1967/ERC1967Proxy.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.0;import "../Proxy.sol";import "./ERC1967Upgrade.sol";/*** @dev This contract implements an upgradeable proxy. It is upgradeable because calls are delegated to an* implementation address that can be changed. This address is stored in storage in the location specified by* https://eips.ethereum.org/EIPS/eip-1967[EIP1967], so that it doesn't conflict with the storage layout of the* implementation behind the proxy.*/contract ERC1967Proxy is Proxy, ERC1967Upgrade {/*** @dev Initializes the upgradeable proxy with an initial implementation specified by `_logic`.** If `_data` is nonempty, it's used as data in a delegate call to `_logic`. This will typically be an encoded* function call, and allows initializating the storage of the proxy like a Solidity constructor.*/constructor(address _logic, bytes memory _data) payable {assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));_upgradeToAndCall(_logic, _data, false);}/*** @dev Returns the current implementation address.*/function _implementation() internal view virtual override returns (address impl) {return ERC1967Upgrade._getImplementation();}}
@openzeppelin/contracts-upgradeable/proxy/ERC1967/ERC1967UpgradeUpgradeable.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.2;import "../beacon/IBeaconUpgradeable.sol";import "../../utils/AddressUpgradeable.sol";import "../../utils/StorageSlotUpgradeable.sol";import "../utils/Initializable.sol";/*** @dev This abstract contract provides getters and event emitting update functions for* https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.** _Available since v4.1._** @custom:oz-upgrades-unsafe-allow delegatecall*/abstract contract ERC1967UpgradeUpgradeable is Initializable {function __ERC1967Upgrade_init() internal initializer {__ERC1967Upgrade_init_unchained();}function __ERC1967Upgrade_init_unchained() internal initializer {}// This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1bytes32 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* validated in the constructor.*/bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;/*** @dev Emitted when the implementation is upgraded.*/event Upgraded(address indexed implementation);/*** @dev Returns the current implementation address.
@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.0;import "../ERC1967/ERC1967UpgradeUpgradeable.sol";import "./Initializable.sol";/*** @dev Base contract for building openzeppelin-upgrades compatible implementations for the {ERC1967Proxy}. It includes* publicly available upgrade functions that are called by the plugin and by the secure upgrade mechanism to verify* continuation of the upgradability.** The {_authorizeUpgrade} function MUST be overridden to include access restriction to the upgrade mechanism.** _Available since v4.1._*/abstract contract UUPSUpgradeable is Initializable, ERC1967UpgradeUpgradeable {function __UUPSUpgradeable_init() internal initializer {__ERC1967Upgrade_init_unchained();__UUPSUpgradeable_init_unchained();}function __UUPSUpgradeable_init_unchained() internal initializer {}function upgradeTo(address newImplementation) external virtual {_authorizeUpgrade(newImplementation);_upgradeToAndCallSecure(newImplementation, bytes(""), false);}function upgradeToAndCall(address newImplementation, bytes memory data) external payable virtual {_authorizeUpgrade(newImplementation);_upgradeToAndCallSecure(newImplementation, data, true);}function _authorizeUpgrade(address newImplementation) internal virtual;uint256[50] private __gap;}
@openzeppelin/contracts/utils/Context.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.0;/** @dev Provides information about the current execution context, including the* sender of the transaction and its data. While these are generally available* via msg.sender and msg.data, they should not be accessed in such a direct* manner, since when dealing with meta-transactions the account sending and* paying for execution may not be the actual sender (as far as an application* is concerned).** This contract is only required for intermediate, library-like contracts.*/abstract contract Context {function _msgSender() internal view virtual returns (address) {return msg.sender;}function _msgData() internal view virtual returns (bytes calldata) {this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691return msg.data;}}
contracts/test/ignore-errors/UnsafeContractWithLibraryUsingFor.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;import "./RiskyLibrary.sol";contract UnsafeContractWithLibraryUsingFor {using RiskyLibrary for address;function unsafe(address target, bytes memory data) public {target.internalDelegateCall(data);}}
@openzeppelin/contracts/proxy/Proxy.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.0;/*** @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM* instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to* be specified by overriding the virtual {_implementation} function.** Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a* different contract through the {_delegate} function.** The success and return data of the delegated call will be returned back to the caller of the proxy.*/abstract contract Proxy {/*** @dev Delegates the current call to `implementation`.** This function does not return to its internall call site, it will return directly to the external caller.*/function _delegate(address implementation) internal virtual {// solhint-disable-next-line no-inline-assemblyassembly {// Copy msg.data. We take full control of memory in this inline assembly// block because it will not return to Solidity code. We overwrite the// Solidity scratch pad at memory position 0.calldatacopy(0, 0, calldatasize())// Call the implementation.// out and outsize are 0 because we don't know the size yet.let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)// Copy the returned data.returndatacopy(0, 0, returndatasize())switch result// delegatecall returns 0 on error.case 0 { revert(0, returndatasize()) }default { return(0, returndatasize()) }}}
contracts/test/ignore-errors/SafeContractWithLibraryImport.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;import "./RiskyLibrary.sol";contract SafeContractWithLibraryImport {}
contracts/test/ignore-errors/UnsafeContractWithTransitiveLibraryCall.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;import "./TransitiveRiskyLibrary.sol";contract UnsafeContractWithTransitiveLibraryCall {function unsafe(address target, bytes memory data) public {TransitiveRiskyLibrary.internalDelegateCall(target, data);}}
@openzeppelin/contracts/proxy/beacon/BeaconProxy.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.0;import "./IBeacon.sol";import "../Proxy.sol";import "../ERC1967/ERC1967Upgrade.sol";/*** @dev This contract implements a proxy that gets the implementation address for each call from a {UpgradeableBeacon}.** The beacon address is stored in storage slot `uint256(keccak256('eip1967.proxy.beacon')) - 1`, so that it doesn't* conflict with the storage layout of the implementation behind the proxy.** _Available since v3.4._*/contract BeaconProxy is Proxy, ERC1967Upgrade {/*** @dev Initializes the proxy with `beacon`.** If `data` is nonempty, it's used as data in a delegate call to the implementation returned by the beacon. This* will typically be an encoded function call, and allows initializating the storage of the proxy like a Solidity* constructor.** Requirements:** - `beacon` must be a contract with the interface {IBeacon}.*/constructor(address beacon, bytes memory data) payable {assert(_BEACON_SLOT == bytes32(uint256(keccak256("eip1967.proxy.beacon")) - 1));_upgradeBeaconToAndCall(beacon, data, false);}/*** @dev Returns the current beacon address.*/function _beacon() internal view virtual returns (address) {return _getBeacon();}/**
@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.0;/*** @dev Collection of functions related to the address type*/library AddressUpgradeable {/*** @dev Returns true if `account` is a contract.** [IMPORTANT]* ====* It is unsafe to assume that an address for which this function returns* false is an externally-owned account (EOA) and not a contract.** Among others, `isContract` will return false for the following* types of addresses:** - an externally-owned account* - a contract in construction* - an address where a contract will be created* - an address where a contract lived, but was destroyed* ====*/function isContract(address account) internal view returns (bool) {// This method relies on extcodesize, which returns 0 for contracts in// construction, since the code is only stored at the end of the// constructor execution.uint256 size;// solhint-disable-next-line no-inline-assemblyassembly { size := extcodesize(account) }return size > 0;}/*** @dev Replacement for Solidity's `transfer`: sends `amount` wei to* `recipient`, forwarding all available gas and reverting on errors.** https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
@openzeppelin/contracts/proxy/transparent/TransparentUpgradeableProxy.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.0;import "../ERC1967/ERC1967Proxy.sol";/*** @dev This contract implements a proxy that is upgradeable by an admin.** To avoid https://medium.com/nomic-labs-blog/malicious-backdoors-in-ethereum-proxies-62629adf3357[proxy selector* clashing], which can potentially be used in an attack, this contract uses the* https://blog.openzeppelin.com/the-transparent-proxy-pattern/[transparent proxy pattern]. This pattern implies two* things that go hand in hand:** 1. If any account other than the admin calls the proxy, the call will be forwarded to the implementation, even if* that call matches one of the admin functions exposed by the proxy itself.* 2. If the admin calls the proxy, it can access the admin functions, but its calls will never be forwarded to the* implementation. If the admin tries to call a function on the implementation it will fail with an error that says* "admin cannot fallback to proxy target".** These properties mean that the admin account can only be used for admin actions like upgrading the proxy or changing* the admin, so it's best if it's a dedicated account that is not used for anything else. This will avoid headaches due* to sudden errors when trying to call a function from the proxy implementation.** Our recommendation is for the dedicated account to be an instance of the {ProxyAdmin} contract. If set up this way,* you should think of the `ProxyAdmin` instance as the real administrative interface of your proxy.*/contract TransparentUpgradeableProxy is ERC1967Proxy {/*** @dev Initializes an upgradeable proxy managed by `_admin`, backed by the implementation at `_logic`, and* optionally initialized with `_data` as explained in {ERC1967Proxy-constructor}.*/constructor(address _logic, address admin_, bytes memory _data) payable ERC1967Proxy(_logic, _data) {assert(_ADMIN_SLOT == bytes32(uint256(keccak256("eip1967.proxy.admin")) - 1));_changeAdmin(admin_);}/*** @dev Modifier used internally that will delegate the call to the implementation unless the sender is the admin.*/modifier ifAdmin() {
contracts/import.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.0;import "@openzeppelin/contracts/proxy/beacon/BeaconProxy.sol";import "@openzeppelin/contracts/proxy/beacon/UpgradeableBeacon.sol";import "@openzeppelin/contracts/proxy/ERC1967/ERC1967Proxy.sol";import "@openzeppelin/contracts/proxy/transparent/TransparentUpgradeableProxy.sol";import "@openzeppelin/contracts/proxy/transparent/ProxyAdmin.sol";// Kept for backwards compatibility with older versions of Hardhat and Truffle plugins.contract AdminUpgradeabilityProxy is TransparentUpgradeableProxy {constructor(address logic, address admin, bytes memory data) payable TransparentUpgradeableProxy(logic, admin, data) {}}
contracts/test/ignore-errors/SafeRecursion.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;import "./RiskyParentContract.sol";contract SafeRecursion is RiskyParentContract {function safe(uint256 i) public view returns (bool) {if (++i == 10) {return isContract(address(this));} else {return safe(i);}}}
contracts/test/ignore-errors/UnsafeParentContract.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;contract UnsafeParentContract {function isContract(address account) internal view returns (bool) {return account.code.length > 0;}function internalDelegateCall(address target,bytes memory data) internal returns (bytes memory) {(, bytes memory returndata) = target.delegatecall(data);return returndata;}function privateDelegateCall(address target,bytes memory data) private returns (bytes memory) {(, bytes memory returndata) = target.delegatecall(data);return returndata;}// unsafe!function publicDelegateCall(address target,bytes memory data) public returns (bytes memory) {(, bytes memory returndata) = target.delegatecall(data);return returndata;}// unsafe!function externalDelegateCall(address target,bytes memory data) external returns (bytes memory) {(, bytes memory returndata) = target.delegatecall(data);return returndata;}
contracts/test/StorageRenamedRetyped.sol
// SPDX-License-Identifier: MITpragma solidity 0.8.9;contract StorageRenamedRetyped {/// @custom:oz-renamed-from buint a;/// @custom:oz-retyped-from booluint8 b;/// @custom:oz-renamed-from b/// @custom:oz-retyped-from booluint8 c;/// @custom:oz-retyped-from bool/// @custom:oz-renamed-from buint8 d;}
contracts/test/ignore-errors/UnsafeContractWithFreeFunctionCall.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;import "./RiskyFreeFunctions.sol" as RiskyFreeFunctions;contract UnsafeContractWithFreeFunctionCall {function unsafe(address target, bytes memory data) public {RiskyFreeFunctions.freeDelegateCall(target, data);}}
contracts/test/ignore-errors/TransitiveAllowReachable.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;import "./RiskyLibrary.sol";/*** allow delegatecalls on all of this contract's functions and reachable code** @custom:oz-upgrades-unsafe-allow-reachable delegatecall*/contract TransitiveAllowReachable {function internalDelegateCall(bytes memory data) external returns (bytes memory) {return RiskyLibrary.internalDelegateCall(address(this), data);}}
contracts/test/RenamedRetyped.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.2;contract RenameV1 {uint x;}contract RenameV2 {/// @custom:oz-renamed-from xuint y;}contract RetypeV1 {bool x;}contract RetypeV2 {/// @dev a retyped variable/// @custom:oz-retyped-from booluint8 x;}contract WronglyReportedRetypeV3 {/// @custom:oz-retyped-from addressuint8 x;}contract MissmatchingTypeRetypeV4 {/// @custom:oz-retyped-from boolbytes32 x;}contract ConfusingRetypeV1 {address y;bool x;}contract ConfusingRetypeV2 {address y;/// @custom:oz-retyped-from addressuint8 x;
@openzeppelin/contracts-upgradeable/proxy/beacon/IBeaconUpgradeable.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.0;/*** @dev This is the interface that {BeaconProxy} expects of its beacon.*/interface IBeaconUpgradeable {/*** @dev Must return an address that can be used as a delegate call target.** {BeaconProxy} will check that this address is a contract.*/function implementation() external view returns (address);}
contracts/test/ignore-errors/AllowChildInheritedTransitive.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;import "./TransitiveAllowReachable.sol";contract AllowChildInheritedTransitive is TransitiveAllowReachable {}
contracts/test/ignore-errors/AllowParent.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;/*** allow causes the delegatecall to be ignored for all functions in this contract** @custom:oz-upgrades-unsafe-allow delegatecall*/contract AllowParent {function internalDelegateCall(bytes memory data) internal returns (bytes memory) {(, bytes memory returndata) = address(this).delegatecall(data);return returndata;}}
contracts/test/ignore-errors/SafeContractWithParentCall.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;import "./RiskyParentContract.sol";contract SafeContractWithParentCall is RiskyParentContract {function safe() public view returns (bool) {return isContract(address(this));}}
@openzeppelin/contracts-upgradeable/utils/StorageSlotUpgradeable.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.0;/*** @dev Library for reading and writing primitive types to specific storage slots.** Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.* This library helps with reading and writing to such slots without the need for inline assembly.** The functions in this library return Slot structs that contain a `value` member that can be used to read or write.** Example usage to set ERC1967 implementation slot:* ```* contract ERC1967 {* bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;** function _getImplementation() internal view returns (address) {* return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;* }** function _setImplementation(address newImplementation) internal {* require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");* StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;* }* }* ```** _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._*/library StorageSlotUpgradeable {struct AddressSlot {address value;}struct BooleanSlot {bool value;}struct Bytes32Slot {bytes32 value;
contracts/test/ignore-errors/UnsafeAllowParent.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;import "./TransitiveUnsafeParent.sol";/*** allow has no effect because the delegatecall is in a parent function** @custom:oz-upgrades-unsafe-allow delegatecall*/contract UnsafeAllowParent is TransitiveUnsafeParent {}
contracts/test/ignore-errors/AllowReachableParent.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;import "./TransitiveUnsafeParent.sol";/*** allow-reachable causes the delegatecall in a parent function to be ignored** this is actually unsafe but only allowed here for testing purposes!** @custom:oz-upgrades-unsafe-allow-reachable delegatecall*/contract AllowReachableParent is TransitiveUnsafeParent {}
@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol
// SPDX-License-Identifier: MIT// solhint-disable-next-line compiler-versionpragma solidity ^0.8.0;/*** @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed* behind a proxy. Since a proxied contract can't have a constructor, it's common to move constructor logic to an* external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer* function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.** TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as* possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.** CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure* that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.*/abstract contract Initializable {/*** @dev Indicates that the contract has been initialized.*/bool private _initialized;/*** @dev Indicates that the contract is in the process of being initialized.*/bool private _initializing;/*** @dev Modifier to protect an initializer function from being invoked twice.*/modifier initializer() {require(_initializing || !_initialized, "Initializable: contract is already initialized");bool isTopLevelCall = !_initializing;if (isTopLevelCall) {_initializing = true;_initialized = true;}
contracts/test/ignore-errors/TransitiveRiskyLibrary.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;import "./RiskyLibrary.sol";library TransitiveRiskyLibrary {function isContract(address account) internal view returns (bool) {return RiskyLibrary.isContract(account);}function internalDelegateCall(address target,bytes memory data) internal returns (bytes memory) {return RiskyLibrary.internalDelegateCall(target, data);}}
contracts/test/ignore-errors/UnsafeAllow.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;import "./TransitiveRiskyLibrary.sol";// allow has no effect because the delegatecall is in a transitive functioncontract UnsafeAllow {/// @custom:oz-upgrades-unsafe-allow delegatecallfunction unsafe(address target, bytes memory data) public {TransitiveRiskyLibrary.internalDelegateCall(target, data);}}
@openzeppelin/contracts/proxy/transparent/ProxyAdmin.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.0;import "./TransparentUpgradeableProxy.sol";import "../../access/Ownable.sol";/*** @dev This is an auxiliary contract meant to be assigned as the admin of a {TransparentUpgradeableProxy}. For an* explanation of why you would want to use this see the documentation for {TransparentUpgradeableProxy}.*/contract ProxyAdmin is Ownable {/*** @dev Returns the current implementation of `proxy`.** Requirements:** - This contract must be the admin of `proxy`.*/function getProxyImplementation(TransparentUpgradeableProxy proxy) public view virtual returns (address) {// We need to manually run the static call since the getter cannot be flagged as view// bytes4(keccak256("implementation()")) == 0x5c60da1b(bool success, bytes memory returndata) = address(proxy).staticcall(hex"5c60da1b");require(success);return abi.decode(returndata, (address));}/*** @dev Returns the current admin of `proxy`.** Requirements:** - This contract must be the admin of `proxy`.*/function getProxyAdmin(TransparentUpgradeableProxy proxy) public view virtual returns (address) {// We need to manually run the static call since the getter cannot be flagged as view// bytes4(keccak256("admin()")) == 0xf851a440(bool success, bytes memory returndata) = address(proxy).staticcall(hex"f851a440");require(success);return abi.decode(returndata, (address));
contracts/test/ignore-errors/UnsafeContractWithParentCall.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;import "./RiskyParentContract.sol";contract UnsafeContractWithParentCall is RiskyParentContract {function unsafe(address target, bytes memory data) public {internalDelegateCall(target, data);}}
@openzeppelin/contracts/proxy/ERC1967/ERC1967Upgrade.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.2;import "../beacon/IBeacon.sol";import "../../utils/Address.sol";import "../../utils/StorageSlot.sol";/*** @dev This abstract contract provides getters and event emitting update functions for* https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.** _Available since v4.1._** @custom:oz-upgrades-unsafe-allow delegatecall*/abstract contract ERC1967Upgrade {// This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1bytes32 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* validated in the constructor.*/bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;/*** @dev Emitted when the implementation is upgraded.*/event Upgraded(address indexed implementation);/*** @dev Returns the current implementation address.*/function _getImplementation() internal view returns (address) {return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;}/*** @dev Stores a new address in the EIP1967 implementation slot.
@openzeppelin/contracts/utils/StorageSlot.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.0;/*** @dev Library for reading and writing primitive types to specific storage slots.** Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.* This library helps with reading and writing to such slots without the need for inline assembly.** The functions in this library return Slot structs that contain a `value` member that can be used to read or write.** Example usage to set ERC1967 implementation slot:* ```* contract ERC1967 {* bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;** function _getImplementation() internal view returns (address) {* return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;* }** function _setImplementation(address newImplementation) internal {* require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");* StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;* }* }* ```** _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._*/library StorageSlot {struct AddressSlot {address value;}struct BooleanSlot {bool value;}struct Bytes32Slot {bytes32 value;
contracts/test/ValidationsNatspecImport.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.2;/// @custom:oz-upgrades-unsafe-allow state-variable-assignmentcontract ImportedHasStateVariableAssignmentNatspec1 {uint x = 1;}contract ImportedHasStateVariableAssignmentNatspec2 {/// @custom:oz-upgrades-unsafe-allow state-variable-assignmentuint x = 1;}
contracts/test/ignore-errors/UnsafeAllowReachableDifferentOpcode.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;import "./TransitiveRiskyLibrary.sol";// allow-reachable has no effect because the transitive function has a different opcodecontract UnsafeAllowReachableDifferentOpcode {/// @custom:oz-upgrades-unsafe-allow-reachable selfdestructfunction unsafe(bytes memory data) public {TransitiveRiskyLibrary.internalDelegateCall(address(this), data);}}
contracts/test/ignore-errors/AllowChild.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;import "./AllowParent.sol";contract AllowChild is AllowParent {function shouldBeAllowed(bytes memory data) public {internalDelegateCall(data);}}
contracts/test/ignore-errors/AllowChildCallTransitive.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;import "./AllowReachableParentCall.sol";contract AllowChildCallTransitive is AllowReachableParentCall {function myfunction(bytes memory data) internal {allowed(data);}}
contracts/test/ignore-errors/UnsafeRecursion.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;import "./RiskyParentContract.sol";contract UnsafeRecursion is RiskyParentContract {function unsafe(uint256 i, address target, bytes memory data) public returns (bytes memory) {if (++i == 10) {return internalDelegateCall(target, data);} else {return unsafe(i, target, data);}}}
@openzeppelin/contracts/proxy/beacon/UpgradeableBeacon.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.0;import "./IBeacon.sol";import "../../access/Ownable.sol";import "../../utils/Address.sol";/*** @dev This contract is used in conjunction with one or more instances of {BeaconProxy} to determine their* implementation contract, which is where they will delegate all function calls.** An owner is able to change the implementation the beacon points to, thus upgrading the proxies that use this beacon.*/contract UpgradeableBeacon is IBeacon, Ownable {address private _implementation;/*** @dev Emitted when the implementation returned by the beacon is changed.*/event Upgraded(address indexed implementation);/*** @dev Sets the address of the initial implementation, and the deployer account as the owner who can upgrade the* beacon.*/constructor(address implementation_) {_setImplementation(implementation_);}/*** @dev Returns the current implementation address.*/function implementation() public view virtual override returns (address) {return _implementation;}/*** @dev Upgrades the beacon to a new implementation.** Emits an {Upgraded} event.
contracts/test/Memory08.sol
// SPDX-License-Identifier: MITpragma solidity 0.8.9;contract Memory08 {mapping(string => address) a;mapping(bytes => address) b;}contract Memory08Bad {mapping(bytes => address) a;mapping(string => address) b;}
contracts/test/ValidationsNatspec.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.2;/// @custom:oz-upgrades-unsafe-allow constructorcontract HasNonEmptyConstructorNatspec1 {constructor() { msg.sender; }}contract HasNonEmptyConstructorNatspec2 {/// @custom:oz-upgrades-unsafe-allow constructorconstructor() { msg.sender; }}/*** @custom:oz-upgrades-unsafe-allow constructor*/contract HasNonEmptyConstructorNatspec3 {constructor() { msg.sender; }}/*** @dev This confused the parser.* @custom:oz-upgrades-unsafe-allow constructor*/contract HasNonEmptyConstructorNatspec4 {constructor() { msg.sender; }}contract ParentHasNonEmptyConstructorNatspec1 is HasNonEmptyConstructorNatspec1 {}contract ParentHasNonEmptyConstructorNatspec2 is HasNonEmptyConstructorNatspec2 {}contract AncestorHasNonEmptyConstructorNatspec1 is ParentHasNonEmptyConstructorNatspec1 {}contract AncestorHasNonEmptyConstructorNatspec2 is ParentHasNonEmptyConstructorNatspec2 {}/// @custom:oz-upgrades-unsafe-allow state-variable-assignmentcontract HasStateVariableAssignmentNatspec1 {uint x = 1;}contract HasStateVariableAssignmentNatspec2 {/// @custom:oz-upgrades-unsafe-allow state-variable-assignmentuint x = 1;
contracts/test/RetypeFromContract.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.2;interface CustomInterface {}contract CustomContract {}interface CustomInterface2 {}contract CustomContract2 {}contract RetypeContractToUint160V1 {CustomInterface a;CustomContract b;}contract RetypeContractToUint160V2 {/// @custom:oz-retyped-from CustomInterfaceuint160 a;/// @custom:oz-retyped-from CustomContractuint160 b;}contract RetypeUint160ToContractV1 {uint160 a;uint160 b;}contract RetypeUint160ToContractV2 {/// @custom:oz-retyped-from uint160CustomInterface private a;/// @custom:oz-retyped-from uint160CustomContract private b;}contract RetypeContractToUint160MappingV1 {mapping(uint8 => CustomInterface) a;mapping(uint8 => CustomContract) b;mapping(CustomInterface => CustomInterface) c;mapping(CustomContract => CustomContract) d;}
contracts/test/ValidationsUDVT.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;contract ValidationsUDVT {type MyUserValueType is uint128;MyUserValueType my_user_value;function foo(MyUserValueType v) external {my_user_value = v;}}
contracts/test/ignore-errors/SafeContractWithLibraryCall.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;import "./RiskyLibrary.sol";contract SafeContractWithLibraryCall {function safe() public view returns (bool) {return RiskyLibrary.isContract(address(this));}}
contracts/test/ignore-errors/SafeContractWithLibraryUsingFor.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;import "./RiskyLibrary.sol";contract SafeContractWithLibraryUsingFor {using RiskyLibrary for address;function safe() public view returns (bool) {return address(this).isContract();}}
contracts/test/ignore-errors/UnsafeAllowReachableParentDifferentOpcode.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;import "./TransitiveUnsafeParent.sol";/*** allow-reachable has no effect because the parent function has a different opcode** @custom:oz-upgrades-unsafe-allow-reachable selfdestruct*/contract UnsafeAllowReachableParentDifferentOpcode is TransitiveUnsafeParent {}
contracts/test/ignore-errors/TransitiveUnsafeParent.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;import "./UnsafeParentContract.sol";contract TransitiveUnsafeParent is UnsafeParentContract {}
contracts/test/ignore-errors/SafeContractWithTransitiveLibraryCall.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;import "./TransitiveRiskyLibrary.sol";contract SafeContractWithTransitiveLibraryCall {function safe() public view returns (bool) {return TransitiveRiskyLibrary.isContract(address(this));}}
contracts/test/ignore-errors/UnsafeContractWithLibraryCall.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;import "./RiskyLibrary.sol";contract UnsafeContractWithLibraryCall {function unsafe(address target, bytes memory data) public {RiskyLibrary.internalDelegateCall(target, data);}}
contracts/test/ignore-errors/AllowParentSelfReachable.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;/*** allow-reachable causes the delegatecall to be ignored for all functions in this contract, including its own lexical scope** @custom:oz-upgrades-unsafe-allow-reachable delegatecall*/contract AllowParentSelfReachable {function internalDelegateCall(bytes memory data) internal returns (bytes memory) {(, bytes memory returndata) = address(this).delegatecall(data);return returndata;}}
contracts/test/ignore-errors/AllowReachable.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;import "./TransitiveRiskyLibrary.sol";// allow-reachable causes the delegatecall in a transitive function to be ignoredcontract AllowReachable {/// @custom:oz-upgrades-unsafe-allow-reachable delegatecallfunction unsafe(bytes memory data) public {TransitiveRiskyLibrary.internalDelegateCall(address(this), data);}}
contracts/test/ignore-errors/RiskyFreeFunctions.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;function isContract(address account) view returns (bool) {return account.code.length > 0;}function freeDelegateCall(address target,bytes memory data) returns (bytes memory) {(, bytes memory returndata) = target.delegatecall(data);return returndata;}
@openzeppelin/contracts/utils/Address.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.0;/*** @dev Collection of functions related to the address type*/library Address {/*** @dev Returns true if `account` is a contract.** [IMPORTANT]* ====* It is unsafe to assume that an address for which this function returns* false is an externally-owned account (EOA) and not a contract.** Among others, `isContract` will return false for the following* types of addresses:** - an externally-owned account* - a contract in construction* - an address where a contract will be created* - an address where a contract lived, but was destroyed* ====*/function isContract(address account) internal view returns (bool) {// This method relies on extcodesize, which returns 0 for contracts in// construction, since the code is only stored at the end of the// constructor execution.uint256 size;// solhint-disable-next-line no-inline-assemblyassembly { size := extcodesize(account) }return size > 0;}/*** @dev Replacement for Solidity's `transfer`: sends `amount` wei to* `recipient`, forwarding all available gas and reverting on errors.** https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
contracts/test/ignore-errors/RiskyLibrary.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;library RiskyLibrary {function isContract(address account) internal view returns (bool) {return account.code.length > 0;}function internalDelegateCall(address target,bytes memory data) internal returns (bytes memory) {(, bytes memory returndata) = target.delegatecall(data);return returndata;}function privateDelegateCall(address target,bytes memory data) private returns (bytes memory) {(, bytes memory returndata) = target.delegatecall(data);return returndata;}function publicDelegateCall(address target,bytes memory data) public returns (bytes memory) {(, bytes memory returndata) = target.delegatecall(data);return returndata;}function externalDelegateCall(address target,bytes memory data) external returns (bytes memory) {(, bytes memory returndata) = target.delegatecall(data);return returndata;}}
contracts/test/ignore-errors/AllowReachableParentCall.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;import "./RiskyParentContract.sol";/*** allow-reachable causes the delegatecall to be ignored for all reachable functions from this contract** @custom:oz-upgrades-unsafe-allow-reachable delegatecall*/contract AllowReachableParentCall is RiskyParentContract {function allowed(bytes memory data) internal {internalDelegateCall(address(this), data);}}
contracts/test/Proxiable.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.2;import "@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol";abstract contract Proxiable is UUPSUpgradeable {function _authorizeUpgrade(address newImplementation) internal override {_beforeUpgrade(newImplementation);}function _beforeUpgrade(address newImplementation) internal virtual;}contract ChildOfProxiable is Proxiable {function _beforeUpgrade(address newImplementation) internal virtual override {}}
contracts/test/Standalone.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.2;contract StandaloneV1 {uint a;string b;function extremelyUnsafe(address target, bytes memory data) public {(bool ok, ) = target.delegatecall(data);require(ok);}}contract StandaloneV2Good {uint a;string b;uint c;}contract StandaloneV2Bad {uint x;uint a;string b;}contract StandaloneRenameV1 {uint x;}contract StandaloneRenameV2 {/// @custom:oz-renamed-from xuint y;}contract StandaloneRenameV3 is StandaloneRenameV2 {uint z;}
contracts/test/ignore-errors/RiskyParentContract.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;contract RiskyParentContract {function isContract(address account) internal view returns (bool) {return account.code.length > 0;}function internalDelegateCall(address target,bytes memory data) internal returns (bytes memory) {(, bytes memory returndata) = target.delegatecall(data);return returndata;}function privateDelegateCall(address target,bytes memory data) private returns (bytes memory) {(, bytes memory returndata) = target.delegatecall(data);return returndata;}}
contracts/test/ignore-errors/AllowChildSelfReachable.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;import "./AllowParentSelfReachable.sol";contract AllowChildSelfReachable is AllowParentSelfReachable {function shouldBeAllowed(bytes memory data) public {internalDelegateCall(data);}}
contracts/test/Storage089.sol
// SPDX-License-Identifier: MITpragma solidity 0.8.9;contract Storage089 {type MyUserValueType is uint128;MyUserValueType my_user_value;}contract Storage089_V2 {type MyUserValueType is uint128;MyUserValueType my_user_value;uint x;}contract Storage089_V3 {type MyUserValueType is uint8;MyUserValueType my_user_value;uint x;}
contracts/test/ignore-errors/Modifiers.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;abstract contract UnsafeParentModifier {modifier unsafe(bytes memory data) {_;msg.sender.delegatecall(data);}}// TODO: do not throw an error in this case// contract ModifierNotUsed is UnsafeParentModifier {// function foo() public {}// }contract ModifierUsed is UnsafeParentModifier {function foo() public unsafe('') {}}
contracts/test/ignore-errors/UnsafeContractWithInheritedParent.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;import "./UnsafeParentContract.sol";contract UnsafeContractWithInheritedParent is UnsafeParentContract {}
@openzeppelin/contracts/access/Ownable.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.0;import "../utils/Context.sol";/*** @dev Contract module which provides a basic access control mechanism, where* there is an account (an owner) that can be granted exclusive access to* specific functions.** By default, the owner account will be the one that deploys the contract. This* can later be changed with {transferOwnership}.** This module is used through inheritance. It will make available the modifier* `onlyOwner`, which can be applied to your functions to restrict their use to* the owner.*/abstract contract Ownable is Context {address private _owner;event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);/*** @dev Initializes the contract setting the deployer as the initial owner.*/constructor () {address msgSender = _msgSender();_owner = msgSender;emit OwnershipTransferred(address(0), msgSender);}/*** @dev Returns the address of the current owner.*/function owner() public view virtual returns (address) {return _owner;}/*** @dev Throws if called by any account other than the owner.*/
contracts/test/ignore-errors/Constructors.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;abstract contract UnsafeParent {/// @custom:oz-upgrades-unsafe-allow constructorconstructor(bytes memory data) {msg.sender.delegatecall(data);}}contract UnsafeChild1 is UnsafeParent {/// @custom:oz-upgrades-unsafe-allow constructorconstructor() UnsafeParent('') {}function foo1(uint x) public {}}contract UnsafeChild2 is UnsafeParent('') {function foo2(uint x) public {}}abstract contract UnsafeParentNoArgs {/// @custom:oz-upgrades-unsafe-allow constructorconstructor() {msg.sender.delegatecall('');}}contract UnsafeChild3 is UnsafeParentNoArgs {/// @custom:oz-upgrades-unsafe-allow constructorconstructor() UnsafeParentNoArgs() {}function foo3(uint x) public {}}contract UnsafeChild4 is UnsafeParentNoArgs {function foo4(uint x) public {}}/*** @custom:oz-upgrades-unsafe-allow delegatecall
contracts/test/ignore-errors/SafeContractWithFreeFunctionCall.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;import "./RiskyFreeFunctions.sol" as RiskyFreeFunctions;contract SafeContractWithFreeFunctionCall {function safe() public view returns (bool) {return RiskyFreeFunctions.isContract(address(this));}}
contracts/test/ignore-errors/UnsafeContract.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;contract UnsafeContract {function externalDelegateCall(address target,bytes memory data) external returns (bytes memory) {(, bytes memory returndata) = target.delegatecall(data);return returndata;}}
contracts/test/ignore-errors/UnsafeContractWithInheritedTransitiveParent.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;import "./TransitiveUnsafeParent.sol";contract UnsafeContractWithInheritedTransitiveParent is TransitiveUnsafeParent {}
@openzeppelin/contracts/proxy/beacon/IBeacon.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.0;/*** @dev This is the interface that {BeaconProxy} expects of its beacon.*/interface IBeacon {/*** @dev Must return an address that can be used as a delegate call target.** {BeaconProxy} will check that this address is a contract.*/function implementation() external view returns (address);}
contracts/test/ignore-errors/SafeContract.sol
// SPDX-License-Identifier: MITpragma solidity ^0.8.9;contract SafeContract {}
Contract ABI
[{"type":"constructor","inputs":[{"type":"address","name":"_logic","internalType":"address"},{"type":"bytes","name":"_data","internalType":"bytes"}]},{"type":"event","name":"AdminChanged","inputs":[{"type":"address","name":"previousAdmin","indexed":false},{"type":"address","name":"newAdmin","indexed":false}],"anonymous":false},{"type":"event","name":"BeaconUpgraded","inputs":[{"type":"address","name":"beacon","indexed":true}],"anonymous":false},{"type":"event","name":"Upgraded","inputs":[{"type":"address","name":"implementation","indexed":true}],"anonymous":false},{"type":"receive"},{"type":"fallback"}]
Deployed ByteCode
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