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This contract contains unverified libraries: BorrowLogic, BridgeLogic, ConfiguratorLogic, EModeLogic, FlashLoanLogic, LiquidationLogic, PoolLogic, SupplyLogic
This contract may be a proxy contract. Click on More Options and select Is this a proxy? to confirm and enable the "Read as Proxy" & "Write as Proxy" tabs.
Contract Source Code Verified (Exact Match)
Contract Name:
TransparentProxyFactory
Compiler Version
v0.8.28+commit.7893614a
Optimization Enabled:
Yes with 200 runs
Other Settings:
cancun EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity >=0.8.0; import {TransparentProxyFactoryBase} from './TransparentProxyFactoryBase.sol'; /** * @title TransparentProxyFactory * @author BGD Labs * @notice Factory contract to create transparent proxies, both with CREATE and CREATE2 * @dev `create()` and `createDeterministic()` are not unified for clearer interface, and at the same * time allowing `createDeterministic()` with salt == 0 * @dev Highly recommended to pass as `admin` on creation an OZ ProxyAdmin instance **/ contract TransparentProxyFactory is TransparentProxyFactoryBase { function _predictCreate2Address( address creator, bytes32 salt, bytes memory creationCode, bytes memory constructorArgs ) internal pure override returns (address) { bytes32 hash = keccak256( abi.encodePacked( bytes1(0xff), creator, salt, keccak256(abi.encodePacked(creationCode, constructorArgs)) ) ); return address(uint160(uint256(hash))); } }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.0; import {ITransparentProxyFactory} from './interfaces/ITransparentProxyFactory.sol'; import {TransparentUpgradeableProxy} from './TransparentUpgradeableProxy.sol'; import {ProxyAdmin} from './ProxyAdmin.sol'; /** * @title TransparentProxyFactory * @author BGD Labs * @notice Factory contract to create transparent proxies, both with CREATE and CREATE2 * @dev `create()` and `createDeterministic()` are not unified for clearer interface, and at the same * time allowing `createDeterministic()` with salt == 0 * @dev Highly recommended to pass as `admin` on creation an OZ ProxyAdmin instance **/ abstract contract TransparentProxyFactoryBase is ITransparentProxyFactory { /// @inheritdoc ITransparentProxyFactory function create(address logic, ProxyAdmin admin, bytes calldata data) external returns (address) { address proxy = address(new TransparentUpgradeableProxy(logic, admin, data)); emit ProxyCreated(proxy, logic, address(admin)); return proxy; } /// @inheritdoc ITransparentProxyFactory function createProxyAdmin(address adminOwner) external returns (address) { address proxyAdmin = address(new ProxyAdmin(adminOwner)); emit ProxyAdminCreated(proxyAdmin, adminOwner); return proxyAdmin; } /// @inheritdoc ITransparentProxyFactory function createDeterministic( address logic, ProxyAdmin admin, bytes calldata data, bytes32 salt ) external returns (address) { address proxy = address(new TransparentUpgradeableProxy{salt: salt}(logic, admin, data)); emit ProxyDeterministicCreated(proxy, logic, address(admin), salt); return proxy; } /// @inheritdoc ITransparentProxyFactory function createDeterministicProxyAdmin( address adminOwner, bytes32 salt ) external returns (address) { address proxyAdmin = address(new ProxyAdmin{salt: salt}(adminOwner)); emit ProxyAdminDeterministicCreated(proxyAdmin, adminOwner, salt); return proxyAdmin; } /// @inheritdoc ITransparentProxyFactory function predictCreateDeterministic( address logic, ProxyAdmin admin, bytes calldata data, bytes32 salt ) public view returns (address) { return _predictCreate2Address( address(this), salt, type(TransparentUpgradeableProxy).creationCode, abi.encode(logic, address(admin), data) ); } /// @inheritdoc ITransparentProxyFactory function predictCreateDeterministicProxyAdmin( bytes32 salt, address initialOwner ) public view returns (address) { return _predictCreate2Address( address(this), salt, type(ProxyAdmin).creationCode, abi.encode(initialOwner) ); } function _predictCreate2Address( address creator, bytes32 salt, bytes memory creationCode, bytes memory constructorArgs ) internal pure virtual returns (address); }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.0; import {ProxyAdmin} from '../ProxyAdmin.sol'; interface ITransparentProxyFactory { event ProxyCreated(address proxy, address indexed logic, address indexed proxyAdmin); event ProxyAdminCreated(address proxyAdmin, address indexed adminOwner); event ProxyDeterministicCreated( address proxy, address indexed logic, address indexed admin, bytes32 indexed salt ); event ProxyAdminDeterministicCreated( address proxyAdmin, address indexed adminOwner, bytes32 indexed salt ); /** * @notice Creates a transparent proxy instance, doing the first initialization in construction * @dev Version using CREATE * @param logic The address of the implementation contract * @param admin The admin of the proxy. * @param data abi encoded call to the function with `initializer` (or `reinitializer`) modifier. * E.g. `abi.encodeWithSelector(mockImpl.initialize.selector, 2)` * for an `initialize` function being `function initialize(uint256 foo) external initializer;` * @return address The address of the proxy deployed **/ function create(address logic, ProxyAdmin admin, bytes memory data) external returns (address); /** * @notice Creates a proxyAdmin instance, and transfers ownership to provided owner * @dev Version using CREATE * @param adminOwner The owner of the proxyAdmin deployed. * @return address The address of the proxyAdmin deployed **/ function createProxyAdmin(address adminOwner) external returns (address); /** * @notice Creates a transparent proxy instance, doing the first initialization in construction * @dev Version using CREATE2, so deterministic * @param logic The address of the implementation contract * @param admin The admin of the proxy. * @param data abi encoded call to the function with `initializer` (or `reinitializer`) modifier. * E.g. `abi.encodeWithSelector(mockImpl.initialize.selector, 2)` * for an `initialize` function being `function initialize(uint256 foo) external initializer;` * @param salt Value to be used in the address calculation, to be chosen by the account calling this function * @return address The address of the proxy deployed **/ function createDeterministic( address logic, ProxyAdmin admin, bytes memory data, bytes32 salt ) external returns (address); /** * @notice Deterministically create a proxy admin instance and transfers ownership to provided owner. * @dev Version using CREATE2, so deterministic * @param adminOwner The owner of the ProxyAdmin deployed. * @param salt Value to be used in the address calculation, to be chosen by the account calling this function * @return address The address of the proxy admin deployed **/ function createDeterministicProxyAdmin( address adminOwner, bytes32 salt ) external returns (address); /** * @notice Pre-calculates and return the address on which `createDeterministic` will deploy a proxy * @param logic The address of the implementation contract * @param admin The admin of the proxy * @param data abi encoded call to the function with `initializer` (or `reinitializer`) modifier. * E.g. `abi.encodeWithSelector(mockImpl.initialize.selector, 2)` * for an `initialize` function being `function initialize(uint256 foo) external initializer;` * @param salt Value to be used in the address calculation, to be chosen by the account calling this function * @return address The pre-calculated address **/ function predictCreateDeterministic( address logic, ProxyAdmin admin, bytes calldata data, bytes32 salt ) external view returns (address); /** * @notice Pre-calculates and return the address on which `createDeterministic` will deploy the proxyAdmin * @param salt Value to be used in the address calculation, to be chosen by the account calling this function * @return address The pre-calculated address **/ function predictCreateDeterministicProxyAdmin( bytes32 salt, address initialOwner ) external view returns (address); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (proxy/transparent/TransparentUpgradeableProxy.sol) /** * Adaptation of OpenZeppelin's TransparentUpgradeableProxy contract by BGD Labs. * The original contract creates a new proxy admin per contract. * In the context of AAVE this is suboptimal, as it is more efficient to have a single proxy admin for all proxies. * This way, if an executor is ever migrated to a new address only the ownership of that single proxy admin has to ever change. */ pragma solidity ^0.8.20; import {ERC1967Utils} from 'openzeppelin-contracts/contracts/proxy/ERC1967/ERC1967Utils.sol'; import {ERC1967Proxy} from 'openzeppelin-contracts/contracts/proxy/ERC1967/ERC1967Proxy.sol'; import {IERC1967} from 'openzeppelin-contracts/contracts/interfaces/IERC1967.sol'; import {ProxyAdmin} from './ProxyAdmin.sol'; /** * @dev Interface for {TransparentUpgradeableProxy}. In order to implement transparency, {TransparentUpgradeableProxy} * does not implement this interface directly, and its upgradeability mechanism is implemented by an internal dispatch * mechanism. The compiler is unaware that these functions are implemented by {TransparentUpgradeableProxy} and will not * include them in the ABI so this interface must be used to interact with it. */ interface ITransparentUpgradeableProxy is IERC1967 { function upgradeToAndCall(address, bytes calldata) external payable; } /** * @dev This contract implements a proxy that is upgradeable through an associated {ProxyAdmin} instance. * * 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 the {ITransparentUpgradeableProxy-upgradeToAndCall} function exposed by the proxy itself. * 2. If the admin calls the proxy, it can call the `upgradeToAndCall` function but any other call won't be forwarded to * the implementation. If the admin tries to call a function on the implementation it will fail with an error indicating * the proxy admin cannot fallback to the target implementation. * * These properties mean that the admin account can only be used for upgrading the proxy, 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. You should think of the `ProxyAdmin` instance as the administrative * interface of the proxy, including the ability to change who can trigger upgrades by transferring ownership. * * NOTE: The real interface of this proxy is that defined in `ITransparentUpgradeableProxy`. This contract does not * inherit from that interface, and instead `upgradeToAndCall` is implicitly implemented using a custom dispatch * mechanism in `_fallback`. Consequently, the compiler will not produce an ABI for this contract. This is necessary to * fully implement transparency without decoding reverts caused by selector clashes between the proxy and the * implementation. * * NOTE: This proxy does not inherit from {Context} deliberately. The {ProxyAdmin} of this contract won't send a * meta-transaction in any way, and any other meta-transaction setup should be made in the implementation contract. * * IMPORTANT: This contract avoids unnecessary storage reads by setting the admin only during construction as an * immutable variable, preventing any changes thereafter. However, the admin slot defined in ERC-1967 can still be * overwritten by the implementation logic pointed to by this proxy. In such cases, the contract may end up in an * undesirable state where the admin slot is different from the actual admin. * * WARNING: It is not recommended to extend this contract to add additional external functions. If you do so, the * compiler will not check that there are no selector conflicts, due to the note above. A selector clash between any new * function and the functions declared in {ITransparentUpgradeableProxy} will be resolved in favor of the new one. This * could render the `upgradeToAndCall` function inaccessible, preventing upgradeability and compromising transparency. */ contract TransparentUpgradeableProxy is ERC1967Proxy { // An immutable address for the admin to avoid unnecessary SLOADs before each call // at the expense of removing the ability to change the admin once it's set. // This is acceptable if the admin is always a ProxyAdmin instance or similar contract // with its own ability to transfer the permissions to another account. address private immutable _admin; /** * @dev The proxy caller is the current admin, and can't fallback to the proxy target. */ error ProxyDeniedAdminAccess(); /** * @dev Initializes an upgradeable proxy managed by an instance of a {ProxyAdmin} with an `initialOwner`, * backed by the implementation at `_logic`, and optionally initialized with `_data` as explained in * {ERC1967Proxy-constructor}. */ constructor( address _logic, ProxyAdmin initialOwner, bytes memory _data ) payable ERC1967Proxy(_logic, _data) { _admin = address(initialOwner); // Set the storage value and emit an event for ERC-1967 compatibility ERC1967Utils.changeAdmin(_proxyAdmin()); } /** * @dev Returns the admin of this proxy. */ function _proxyAdmin() internal virtual returns (address) { return _admin; } /** * @dev If caller is the admin process the call internally, otherwise transparently fallback to the proxy behavior. */ function _fallback() internal virtual override { if (msg.sender == _proxyAdmin()) { if (msg.sig != ITransparentUpgradeableProxy.upgradeToAndCall.selector) { revert ProxyDeniedAdminAccess(); } else { _dispatchUpgradeToAndCall(); } } else { super._fallback(); } } /** * @dev Upgrade the implementation of the proxy. See {ERC1967Utils-upgradeToAndCall}. * * Requirements: * * - If `data` is empty, `msg.value` must be zero. */ function _dispatchUpgradeToAndCall() private { (address newImplementation, bytes memory data) = abi.decode(msg.data[4:], (address, bytes)); ERC1967Utils.upgradeToAndCall(newImplementation, data); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (proxy/transparent/ProxyAdmin.sol) pragma solidity ^0.8.20; import {ITransparentUpgradeableProxy} from './TransparentUpgradeableProxy.sol'; import {Ownable} from 'openzeppelin-contracts/contracts/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 The version of the upgrade interface of the contract. If this getter is missing, both `upgrade(address)` * and `upgradeAndCall(address,bytes)` are present, and `upgradeTo` must be used if no function should be called, * while `upgradeAndCall` will invoke the `receive` function if the second argument is the empty byte string. * If the getter returns `"5.0.0"`, only `upgradeAndCall(address,bytes)` is present, and the second argument must * be the empty byte string if no function should be called, making it impossible to invoke the `receive` function * during an upgrade. */ string public constant UPGRADE_INTERFACE_VERSION = '5.0.0'; /** * @dev Sets the initial owner who can perform upgrades. */ constructor(address initialOwner) Ownable(initialOwner) {} /** * @dev Upgrades `proxy` to `implementation` and calls a function on the new implementation. * See {TransparentUpgradeableProxy-_dispatchUpgradeToAndCall}. * * Requirements: * * - This contract must be the admin of `proxy`. * - If `data` is empty, `msg.value` must be zero. */ function upgradeAndCall( ITransparentUpgradeableProxy proxy, address implementation, bytes memory data ) public payable virtual onlyOwner { proxy.upgradeToAndCall{value: msg.value}(implementation, data); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (proxy/ERC1967/ERC1967Utils.sol) pragma solidity ^0.8.21; import {IBeacon} from "../beacon/IBeacon.sol"; import {IERC1967} from "../../interfaces/IERC1967.sol"; import {Address} from "../../utils/Address.sol"; import {StorageSlot} from "../../utils/StorageSlot.sol"; /** * @dev This library provides getters and event emitting update functions for * https://eips.ethereum.org/EIPS/eip-1967[ERC-1967] slots. */ library ERC1967Utils { /** * @dev Storage slot with the address of the current implementation. * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1. */ // solhint-disable-next-line private-vars-leading-underscore bytes32 internal constant IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; /** * @dev The `implementation` of the proxy is invalid. */ error ERC1967InvalidImplementation(address implementation); /** * @dev The `admin` of the proxy is invalid. */ error ERC1967InvalidAdmin(address admin); /** * @dev The `beacon` of the proxy is invalid. */ error ERC1967InvalidBeacon(address beacon); /** * @dev An upgrade function sees `msg.value > 0` that may be lost. */ error ERC1967NonPayable(); /** * @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 ERC-1967 implementation slot. */ function _setImplementation(address newImplementation) private { if (newImplementation.code.length == 0) { revert ERC1967InvalidImplementation(newImplementation); } StorageSlot.getAddressSlot(IMPLEMENTATION_SLOT).value = newImplementation; } /** * @dev Performs implementation upgrade with additional setup call if data is nonempty. * This function is payable only if the setup call is performed, otherwise `msg.value` is rejected * to avoid stuck value in the contract. * * Emits an {IERC1967-Upgraded} event. */ function upgradeToAndCall(address newImplementation, bytes memory data) internal { _setImplementation(newImplementation); emit IERC1967.Upgraded(newImplementation); if (data.length > 0) { Address.functionDelegateCall(newImplementation, data); } else { _checkNonPayable(); } } /** * @dev Storage slot with the admin of the contract. * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1. */ // solhint-disable-next-line private-vars-leading-underscore bytes32 internal constant ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103; /** * @dev Returns the current admin. * * TIP: To get this value clients can read directly from the storage slot shown below (specified by ERC-1967) using * the https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call. * `0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103` */ function getAdmin() internal view returns (address) { return StorageSlot.getAddressSlot(ADMIN_SLOT).value; } /** * @dev Stores a new address in the ERC-1967 admin slot. */ function _setAdmin(address newAdmin) private { if (newAdmin == address(0)) { revert ERC1967InvalidAdmin(address(0)); } StorageSlot.getAddressSlot(ADMIN_SLOT).value = newAdmin; } /** * @dev Changes the admin of the proxy. * * Emits an {IERC1967-AdminChanged} event. */ function changeAdmin(address newAdmin) internal { emit IERC1967.AdminChanged(getAdmin(), newAdmin); _setAdmin(newAdmin); } /** * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy. * This is the keccak-256 hash of "eip1967.proxy.beacon" subtracted by 1. */ // solhint-disable-next-line private-vars-leading-underscore bytes32 internal constant BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50; /** * @dev Returns the current beacon. */ function getBeacon() internal view returns (address) { return StorageSlot.getAddressSlot(BEACON_SLOT).value; } /** * @dev Stores a new beacon in the ERC-1967 beacon slot. */ function _setBeacon(address newBeacon) private { if (newBeacon.code.length == 0) { revert ERC1967InvalidBeacon(newBeacon); } StorageSlot.getAddressSlot(BEACON_SLOT).value = newBeacon; address beaconImplementation = IBeacon(newBeacon).implementation(); if (beaconImplementation.code.length == 0) { revert ERC1967InvalidImplementation(beaconImplementation); } } /** * @dev Change the beacon and trigger a setup call if data is nonempty. * This function is payable only if the setup call is performed, otherwise `msg.value` is rejected * to avoid stuck value in the contract. * * Emits an {IERC1967-BeaconUpgraded} event. * * CAUTION: Invoking this function has no effect on an instance of {BeaconProxy} since v5, since * it uses an immutable beacon without looking at the value of the ERC-1967 beacon slot for * efficiency. */ function upgradeBeaconToAndCall(address newBeacon, bytes memory data) internal { _setBeacon(newBeacon); emit IERC1967.BeaconUpgraded(newBeacon); if (data.length > 0) { Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data); } else { _checkNonPayable(); } } /** * @dev Reverts if `msg.value` is not zero. It can be used to avoid `msg.value` stuck in the contract * if an upgrade doesn't perform an initialization call. */ function _checkNonPayable() private { if (msg.value > 0) { revert ERC1967NonPayable(); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (proxy/ERC1967/ERC1967Proxy.sol) pragma solidity ^0.8.20; import {Proxy} from "../Proxy.sol"; import {ERC1967Utils} from "./ERC1967Utils.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[ERC-1967], so that it doesn't conflict with the storage layout of the * implementation behind the proxy. */ contract ERC1967Proxy is Proxy { /** * @dev Initializes the upgradeable proxy with an initial implementation specified by `implementation`. * * If `_data` is nonempty, it's used as data in a delegate call to `implementation`. This will typically be an * encoded function call, and allows initializing the storage of the proxy like a Solidity constructor. * * Requirements: * * - If `data` is empty, `msg.value` must be zero. */ constructor(address implementation, bytes memory _data) payable { ERC1967Utils.upgradeToAndCall(implementation, _data); } /** * @dev Returns the current implementation address. * * TIP: To get this value clients can read directly from the storage slot shown below (specified by ERC-1967) using * the https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call. * `0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc` */ function _implementation() internal view virtual override returns (address) { return ERC1967Utils.getImplementation(); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC1967.sol) pragma solidity ^0.8.20; /** * @dev ERC-1967: Proxy Storage Slots. This interface contains the events defined in the ERC. */ interface IERC1967 { /** * @dev Emitted when the implementation is upgraded. */ event Upgraded(address indexed implementation); /** * @dev Emitted when the admin account has changed. */ event AdminChanged(address previousAdmin, address newAdmin); /** * @dev Emitted when the beacon is changed. */ event BeaconUpgraded(address indexed beacon); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol) pragma solidity ^0.8.20; import {Context} from "../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. * * The initial owner is set to the address provided by the deployer. 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; /** * @dev The caller account is not authorized to perform an operation. */ error OwnableUnauthorizedAccount(address account); /** * @dev The owner is not a valid owner account. (eg. `address(0)`) */ error OwnableInvalidOwner(address owner); event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the address provided by the deployer as the initial owner. */ constructor(address initialOwner) { if (initialOwner == address(0)) { revert OwnableInvalidOwner(address(0)); } _transferOwnership(initialOwner); } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { _checkOwner(); _; } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { if (owner() != _msgSender()) { revert OwnableUnauthorizedAccount(_msgSender()); } } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby disabling any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { if (newOwner == address(0)) { revert OwnableInvalidOwner(address(0)); } _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (proxy/beacon/IBeacon.sol) pragma solidity ^0.8.20; /** * @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. * * {UpgradeableBeacon} will check that this address is a contract. */ function implementation() external view returns (address); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/Address.sol) pragma solidity ^0.8.20; import {Errors} from "./Errors.sol"; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev There's no code at `target` (it is not a contract). */ error AddressEmptyCode(address target); /** * @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 * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { if (address(this).balance < amount) { revert Errors.InsufficientBalance(address(this).balance, amount); } (bool success, ) = recipient.call{value: amount}(""); if (!success) { revert Errors.FailedCall(); } } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason or custom error, it is bubbled * up by this function (like regular Solidity function calls). However, if * the call reverted with no returned reason, this function reverts with a * {Errors.FailedCall} error. * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCallWithValue(target, data, 0); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { if (address(this).balance < value) { revert Errors.InsufficientBalance(address(this).balance, value); } (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResultFromTarget(target, success, returndata); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResultFromTarget(target, success, returndata); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResultFromTarget(target, success, returndata); } /** * @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target * was not a contract or bubbling up the revert reason (falling back to {Errors.FailedCall}) in case * of an unsuccessful call. */ function verifyCallResultFromTarget( address target, bool success, bytes memory returndata ) internal view returns (bytes memory) { if (!success) { _revert(returndata); } else { // only check if target is a contract if the call was successful and the return data is empty // otherwise we already know that it was a contract if (returndata.length == 0 && target.code.length == 0) { revert AddressEmptyCode(target); } return returndata; } } /** * @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the * revert reason or with a default {Errors.FailedCall} error. */ function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) { if (!success) { _revert(returndata); } else { return returndata; } } /** * @dev Reverts with returndata if present. Otherwise reverts with {Errors.FailedCall}. */ function _revert(bytes memory returndata) private pure { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly ("memory-safe") { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert Errors.FailedCall(); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/StorageSlot.sol) // This file was procedurally generated from scripts/generate/templates/StorageSlot.js. pragma solidity ^0.8.20; /** * @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 ERC-1967 implementation slot: * ```solidity * contract ERC1967 { * // Define the slot. Alternatively, use the SlotDerivation library to derive the slot. * bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; * * function _getImplementation() internal view returns (address) { * return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value; * } * * function _setImplementation(address newImplementation) internal { * require(newImplementation.code.length > 0); * StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation; * } * } * ``` * * TIP: Consider using this library along with {SlotDerivation}. */ library StorageSlot { struct AddressSlot { address value; } struct BooleanSlot { bool value; } struct Bytes32Slot { bytes32 value; } struct Uint256Slot { uint256 value; } struct Int256Slot { int256 value; } struct StringSlot { string value; } struct BytesSlot { bytes value; } /** * @dev Returns an `AddressSlot` with member `value` located at `slot`. */ function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns a `BooleanSlot` with member `value` located at `slot`. */ function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns a `Bytes32Slot` with member `value` located at `slot`. */ function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns a `Uint256Slot` with member `value` located at `slot`. */ function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns a `Int256Slot` with member `value` located at `slot`. */ function getInt256Slot(bytes32 slot) internal pure returns (Int256Slot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns a `StringSlot` with member `value` located at `slot`. */ function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns an `StringSlot` representation of the string storage pointer `store`. */ function getStringSlot(string storage store) internal pure returns (StringSlot storage r) { assembly ("memory-safe") { r.slot := store.slot } } /** * @dev Returns a `BytesSlot` with member `value` located at `slot`. */ function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`. */ function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) { assembly ("memory-safe") { r.slot := store.slot } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (proxy/Proxy.sol) pragma solidity ^0.8.20; /** * @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 internal call site, it will return directly to the external caller. */ function _delegate(address implementation) internal virtual { assembly { // 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()) } } } /** * @dev This is a virtual function that should be overridden so it returns the address to which the fallback * function and {_fallback} should delegate. */ function _implementation() internal view virtual returns (address); /** * @dev Delegates the current call to the address returned by `_implementation()`. * * This function does not return to its internal call site, it will return directly to the external caller. */ function _fallback() internal virtual { _delegate(_implementation()); } /** * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other * function in the contract matches the call data. */ fallback() external payable virtual { _fallback(); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol) pragma solidity ^0.8.20; /** * @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) { return msg.data; } function _contextSuffixLength() internal view virtual returns (uint256) { return 0; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/Errors.sol) pragma solidity ^0.8.20; /** * @dev Collection of common custom errors used in multiple contracts * * IMPORTANT: Backwards compatibility is not guaranteed in future versions of the library. * It is recommended to avoid relying on the error API for critical functionality. * * _Available since v5.1._ */ library Errors { /** * @dev The ETH balance of the account is not enough to perform the operation. */ error InsufficientBalance(uint256 balance, uint256 needed); /** * @dev A call to an address target failed. The target may have reverted. */ error FailedCall(); /** * @dev The deployment failed. */ error FailedDeployment(); /** * @dev A necessary precompile is missing. */ error MissingPrecompile(address); }
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Contract ABI
API[{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"proxyAdmin","type":"address"},{"indexed":true,"internalType":"address","name":"adminOwner","type":"address"}],"name":"ProxyAdminCreated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"proxyAdmin","type":"address"},{"indexed":true,"internalType":"address","name":"adminOwner","type":"address"},{"indexed":true,"internalType":"bytes32","name":"salt","type":"bytes32"}],"name":"ProxyAdminDeterministicCreated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"proxy","type":"address"},{"indexed":true,"internalType":"address","name":"logic","type":"address"},{"indexed":true,"internalType":"address","name":"proxyAdmin","type":"address"}],"name":"ProxyCreated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"proxy","type":"address"},{"indexed":true,"internalType":"address","name":"logic","type":"address"},{"indexed":true,"internalType":"address","name":"admin","type":"address"},{"indexed":true,"internalType":"bytes32","name":"salt","type":"bytes32"}],"name":"ProxyDeterministicCreated","type":"event"},{"inputs":[{"internalType":"address","name":"logic","type":"address"},{"internalType":"contract ProxyAdmin","name":"admin","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"create","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"logic","type":"address"},{"internalType":"contract ProxyAdmin","name":"admin","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"},{"internalType":"bytes32","name":"salt","type":"bytes32"}],"name":"createDeterministic","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"adminOwner","type":"address"},{"internalType":"bytes32","name":"salt","type":"bytes32"}],"name":"createDeterministicProxyAdmin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"adminOwner","type":"address"}],"name":"createProxyAdmin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"logic","type":"address"},{"internalType":"contract ProxyAdmin","name":"admin","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"},{"internalType":"bytes32","name":"salt","type":"bytes32"}],"name":"predictCreateDeterministic","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"salt","type":"bytes32"},{"internalType":"address","name":"initialOwner","type":"address"}],"name":"predictCreateDeterministicProxyAdmin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}]
Contract Creation Code
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Deployed Bytecode
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Multichain Portfolio | 35 Chains
Chain | Token | Portfolio % | Price | Amount | Value |
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.