Contract 0x87627c7e586441eef9ee3c28b66662e897513f33

Txn Hash Method
Block
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To
Value [Txn Fee]
0x108e95a56ea4a3116a8f398f54cb97f1b1fc05894ee944190b64ef947ec34f95Deposit Native37695922024-03-01 21:21:3018 secs ago0x6b199db42f1e77d0f9d62236e180c25339709294 IN  0x87627c7e586441eef9ee3c28b66662e897513f330.015 ETH0.0000209466
0x936bf39dc91a77d55d82da11c3a322d542748b60451c649e37258252323edf55Withdraw V237695882024-03-01 21:21:1830 secs ago0xaf8ae6955d07776ab690e565ba6fbc79b8de3a5d IN  0x87627c7e586441eef9ee3c28b66662e897513f330 ETH0.000032050468
0xdd7255b38a8f330ff6cf9ce1c3e479097100b0f379e6c66fd8d29d83973b74a3Withdraw V237695852024-03-01 21:21:0939 secs ago0xaf8ae6955d07776ab690e565ba6fbc79b8de3a5d IN  0x87627c7e586441eef9ee3c28b66662e897513f330 ETH0.000032050468
0x5c57701967780007233430447fe5c3bc345b633baee3b308d3b711a7c500dab3Deposit Native37695842024-03-01 21:21:0642 secs ago0x10769229152e5ad1cb3bfc675c6957136fc8d60a IN  0x87627c7e586441eef9ee3c28b66662e897513f330.2211765 ETH0.0000209466
0x7683b3eaf48533b3ce8e47357d0508c01a179ee526944d60dc8c9ded546608f5Deposit Native37695712024-03-01 21:20:271 min ago0x10769229152e5ad1cb3bfc675c6957136fc8d60a IN  0x87627c7e586441eef9ee3c28b66662e897513f330.00416579 ETH0.0000209466
0x82025a61cadca1705c28528b0abe17e849062310314e2974607766c82349fe18Deposit Native37695662024-03-01 21:20:121 min ago0x896930e77cdf937b26ad5fa0f8e5957616f496e2 IN  0x87627c7e586441eef9ee3c28b66662e897513f330.001 ETH0.0000209466
0x68c0c44ed7e5c2a7fc2cee3c2892b15be211d1460c2cccd0f9185ea30059daceDeposit Native37695592024-03-01 21:19:511 min ago0x8988e214fcbced36c0d6ea67b6eb68a8347c6de0 IN  0x87627c7e586441eef9ee3c28b66662e897513f330.023 ETH0.0000209466
0x30503b47275a8d81893decb3fb92d149f8398cc64879b8b31ac3e9926e8a2a7bDeposit Native37695432024-03-01 21:19:032 mins ago0xa776fab7c51f3b6638b7a88fc9fd32fee0751fc9 IN  0x87627c7e586441eef9ee3c28b66662e897513f330.04 ETH0.000014223
0x7e260a6457268e267c6c13d0decf5bd28e562e2aaed78756ab39ebd83c8fc648Deposit37695422024-03-01 21:19:002 mins ago0x9ec7207f9164f6f9265d555c3f5a28cfda98043b IN  0x87627c7e586441eef9ee3c28b66662e897513f330 ETH0.0000358668
0x4769277ca755395504369b6ee9fa4423eb388459eee374360d44ec5e5ed1ed4bDeposit Native37695362024-03-01 21:18:423 mins ago0x858d5ef3f0f76840ab58b851f6e986c168b1de79 IN  0x87627c7e586441eef9ee3c28b66662e897513f330.03 ETH0.0000209466
0x898e16ade756263642375a444445f6ae0d17f99a903d9eafdfeca920656e40abDeposit Native37695322024-03-01 21:18:303 mins ago0xf7700d94caf38da6c4c8e03aaca651058a9c93af IN  0x87627c7e586441eef9ee3c28b66662e897513f330.01 ETH0.0000209466
0x00f9fa093cfd19cadf892898350b99ceea1eed20d87a5d83ba25a0dcce4bf745Withdraw Native ...37695222024-03-01 21:18:003 mins ago0xaf8ae6955d07776ab690e565ba6fbc79b8de3a5d IN  0x87627c7e586441eef9ee3c28b66662e897513f330 ETH0.0000195742
0xa5abb705664423367c4fdcab05e1f2cda4a9fbc4155352a17d2c205a192b2804Deposit Native37695222024-03-01 21:18:003 mins ago0x346af9548d161377aeb43f4fc567440ad5178974 IN  0x87627c7e586441eef9ee3c28b66662e897513f330.11093601 ETH0.0000209466
0xf9697af50eea63136d341d51f0162d4fbdb07d3cad249ed7f23568d2543fb841Deposit Native37695182024-03-01 21:17:484 mins ago0xf7700d94caf38da6c4c8e03aaca651058a9c93af IN  0x87627c7e586441eef9ee3c28b66662e897513f330.01 ETH0.0000209466
0xeb6492938cd8fe02a33e631de71f98096337b6e878731486e26a6ff2753f282aWithdraw Native ...37695082024-03-01 21:17:184 mins ago0xaf8ae6955d07776ab690e565ba6fbc79b8de3a5d IN  0x87627c7e586441eef9ee3c28b66662e897513f330 ETH0.000019568757
0xf30e326a62335e671e66c5eb2225c7c7b78f47af4fd5a936b6f4f7484db16f32Deposit Native37695052024-03-01 21:17:094 mins ago0xf7700d94caf38da6c4c8e03aaca651058a9c93af IN  0x87627c7e586441eef9ee3c28b66662e897513f330.01 ETH0.0000209466
0x61128d4bf3692b10c7f07c2ff9f13cee11a0cd9b7140783333761716d755bc37Withdraw Native ...37695022024-03-01 21:17:004 mins ago0xaf8ae6955d07776ab690e565ba6fbc79b8de3a5d IN  0x87627c7e586441eef9ee3c28b66662e897513f330 ETH0.0000309142
0x06c00961f32d99b69f6e3a370e14a22b17671fdb288288d40dff88092c544779Withdraw Native ...37694952024-03-01 21:16:395 mins ago0xaf8ae6955d07776ab690e565ba6fbc79b8de3a5d IN  0x87627c7e586441eef9ee3c28b66662e897513f330 ETH0.000019568757
0x2105251ddaa9f3958690994d680c2c3930043a88c55f8121f3f111d48d48fd5fDeposit Native37694942024-03-01 21:16:365 mins ago0xf7700d94caf38da6c4c8e03aaca651058a9c93af IN  0x87627c7e586441eef9ee3c28b66662e897513f330.01 ETH0.0000209466
0xd1f1e70fd3e6f6be60bfd12dec00e2e81bd998a0893334aa86d167edc32dd64aDeposit Native37694832024-03-01 21:16:035 mins ago0x2627940c084e156f86167a5d92ee2146c978c31a IN  0x87627c7e586441eef9ee3c28b66662e897513f330.0015 ETH0.0000209466
0x4c9721c36af56e66f3bf84fe443daebad38462c6517e9e391fd68ad8440416eaDeposit37694792024-03-01 21:15:515 mins ago0x896930e77cdf937b26ad5fa0f8e5957616f496e2 IN  0x87627c7e586441eef9ee3c28b66662e897513f330 ETH0.00003911328
0x79d8e3bc8fc77c24a92b08818715594fbf29b635d8d8fb46ebf20884a8c289d0Withdraw Native ...37694682024-03-01 21:15:186 mins ago0xaf8ae6955d07776ab690e565ba6fbc79b8de3a5d IN  0x87627c7e586441eef9ee3c28b66662e897513f330 ETH0.0000195742
0xb6ba664cf6de8464bd884988ad2b0ecec781a13d1fe807923eb1d65cb2b0f9fdDeposit Native37694662024-03-01 21:15:126 mins ago0x01daf88d75381453143d48e4c3b3e0128d456d5c IN  0x87627c7e586441eef9ee3c28b66662e897513f330.035 ETH0.0000209466
0x77826c419c5614f41a9ea65e871ceb365113dc5181de939b765beb8df1d65d17Withdraw Native ...37694642024-03-01 21:15:066 mins ago0xaf8ae6955d07776ab690e565ba6fbc79b8de3a5d IN  0x87627c7e586441eef9ee3c28b66662e897513f330 ETH0.0000195742
0xb8cae21bc47fcfe44c571499e4b02d46713f46a48544445aa21c936cc70b5a6bWithdraw Native ...37694642024-03-01 21:15:066 mins ago0xaf8ae6955d07776ab690e565ba6fbc79b8de3a5d IN  0x87627c7e586441eef9ee3c28b66662e897513f330 ETH0.000019568757
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Latest 25 internal transaction
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0x00f9fa093cfd19cadf892898350b99ceea1eed20d87a5d83ba25a0dcce4bf74537695222024-03-01 21:18:003 mins ago 0x87627c7e586441eef9ee3c28b66662e897513f330x0216f03a7483d60e654e4318d78bc035eba7d02e0.99701489 ETH
0xeb6492938cd8fe02a33e631de71f98096337b6e878731486e26a6ff2753f282a37695082024-03-01 21:17:184 mins ago 0x87627c7e586441eef9ee3c28b66662e897513f330x1f8eef73eb32c2a479ac36848bf3d97946168b720.00134138 ETH
0x61128d4bf3692b10c7f07c2ff9f13cee11a0cd9b7140783333761716d755bc3737695022024-03-01 21:17:004 mins ago 0x87627c7e586441eef9ee3c28b66662e897513f330xa073915374e363a3888de0a9873c0584e0a2d6ae0.49913138 ETH
0x06c00961f32d99b69f6e3a370e14a22b17671fdb288288d40dff88092c54477937694952024-03-01 21:16:395 mins ago 0x87627c7e586441eef9ee3c28b66662e897513f330x60fd08ffac8d18a602bcd4b479e137e802053a180.00942138 ETH
0x79d8e3bc8fc77c24a92b08818715594fbf29b635d8d8fb46ebf20884a8c289d037694682024-03-01 21:15:186 mins ago 0x87627c7e586441eef9ee3c28b66662e897513f330x21be8f9d1d4f28cff98f958087aceb1dba8b4f9c0.14932638 ETH
0x77826c419c5614f41a9ea65e871ceb365113dc5181de939b765beb8df1d65d1737694642024-03-01 21:15:066 mins ago 0x87627c7e586441eef9ee3c28b66662e897513f330x73de2a9e9c0486ebfcb137c93f488b4c1abda5e30.26933406 ETH
0xb8cae21bc47fcfe44c571499e4b02d46713f46a48544445aa21c936cc70b5a6b37694642024-03-01 21:15:066 mins ago 0x87627c7e586441eef9ee3c28b66662e897513f330xf7700d94caf38da6c4c8e03aaca651058a9c93af0.05609826 ETH
0x03c92c4eba2388f2287e5d77d09bca7a51c9562366cf10e853e4b1b25023c42937694582024-03-01 21:14:487 mins ago 0x87627c7e586441eef9ee3c28b66662e897513f330x15b72d279d37027fdcba66e1e7e85281ecba02c00.00073138 ETH
0x5e54eda0b6f15e093945d1ab5d14a892ec5cda8f427ee11b1de4429281d7034437694482024-03-01 21:14:187 mins ago 0x87627c7e586441eef9ee3c28b66662e897513f330xdcc62fb11b861a1603bd4767b40d06c1580182b60.00043138 ETH
0xf27da526f8199645b564023d909680326f279540d041c9ba6ba4da21f2047f2437694472024-03-01 21:14:157 mins ago 0x87627c7e586441eef9ee3c28b66662e897513f330x346af9548d161377aeb43f4fc567440ad51789740.13232838 ETH
0x820186fc42292955e09b02139d3af8b1afedc5e5d4b1596cdf3f3e4c23a1492d37694282024-03-01 21:13:188 mins ago 0x87627c7e586441eef9ee3c28b66662e897513f330x1669000743ec5aaa9ed6e6a4de625bfa1ebd4b070.00141478 ETH
0x06f600374d06f00e1274a3fee302550bacd086d15d95bb74fb4f3b90c23bf0ef37694142024-03-01 21:12:369 mins ago 0x87627c7e586441eef9ee3c28b66662e897513f330x725655fe414c2c2c0c6b432dafb64a60b22263c10.00143478 ETH
0xcf6652177a4d75cfde7077d84f033f6982312ebc6fb833c5715cfe18bbc2980537694082024-03-01 21:12:189 mins ago 0x87627c7e586441eef9ee3c28b66662e897513f330x2abd9a4d9cbbb5fcb1eb50677f27f5f5d8c84dcb0.01442128 ETH
0xba34bdd4016450c0bc05c4ee8101f568383b4798ed9beb4867c6e9241c73e91337693942024-03-01 21:11:3610 mins ago 0x87627c7e586441eef9ee3c28b66662e897513f330x10769229152e5ad1cb3bfc675c6957136fc8d60a0.23926358 ETH
0xa4ab7d53e6c5caecc424378156eebc6ff8029ba1749634d9ebe8ef2b50351adc37693782024-03-01 21:10:4811 mins ago 0x87627c7e586441eef9ee3c28b66662e897513f330x1db3ab1085c099e2195cc12dd8f8a776a1f9767e0.00043478 ETH
0xeb106f4327419a3b7a415bc685f78145e99cf88938be1e1825f04607d333ae2c37693722024-03-01 21:10:3011 mins ago 0x87627c7e586441eef9ee3c28b66662e897513f330x97997fd1b5c8036a10b07ceae84543aa2eaa4dcc0.00043478 ETH
0xb64f4ed7e085ce44a433c63749ff226e2db594c5c1f9207d7a61d18f75b94dfd37693702024-03-01 21:10:2411 mins ago 0x87627c7e586441eef9ee3c28b66662e897513f330xb6dcb7f41ddf90ca10af6e5d6c3b1f046aafcfbc0.01147648 ETH
0x2b577acf058adf82561f03df7411d22f689bc51be017703d494500b4214c74dd37693572024-03-01 21:09:4512 mins ago 0x87627c7e586441eef9ee3c28b66662e897513f330x507d472582fb332a0cfd6e7b4a5ea2141e6202470.00842578 ETH
0x8f07d40e5dc3c94facbf6128bfb5d05a459acd7c3d4f960973b0a9a7829188db37693552024-03-01 21:09:3912 mins ago 0x87627c7e586441eef9ee3c28b66662e897513f330x169fbb0f122adfacbd54348f2f7d31ae914351a40.07937078 ETH
0x80cb7a159ea06350556943f97400f2ac5073e54c5009f4b2dcfe842d7c8cc6e037693542024-03-01 21:09:3612 mins ago 0x87627c7e586441eef9ee3c28b66662e897513f330xb726cdef8a817cf42a045d8dfec6dd4d76df24320.00080977 ETH
0x903ee56509e242f568784bc6b69990514df2f3d91d94c88ae06642edc19285a837693482024-03-01 21:09:1812 mins ago 0x87627c7e586441eef9ee3c28b66662e897513f330x92a675b980db3e754955f991da2cebf16d9499860.00129478 ETH
0x1b5a820a13e7cfda56c806639ca9af30fe5503ff276495dbdb3434d16c33557737693452024-03-01 21:09:0912 mins ago 0x87627c7e586441eef9ee3c28b66662e897513f330x82b3eba7a16a5b6d12362b34b81d2a40c8867b0d0.00143478 ETH
0x291704dac5e03d74ed7493361a8cd993cec9bb5c4ef9ad8b52e1cd268cbd66f537693382024-03-01 21:08:4813 mins ago 0x87627c7e586441eef9ee3c28b66662e897513f330x98d8ee67b23b6305f10a8004dafebf411dc16a960.00063478 ETH
0x7027308c0983dc97e95e09c60d2fc09de2f697ec755cf6f154f21e7af188f56737693242024-03-01 21:08:0613 mins ago 0x87627c7e586441eef9ee3c28b66662e897513f330x507d472582fb332a0cfd6e7b4a5ea2141e6202470.00343078 ETH
0x0d65d5ba29a86e69edf38350e03c817693f0d867c6960f434645381d7398db4537693152024-03-01 21:07:3914 mins ago 0x87627c7e586441eef9ee3c28b66662e897513f330x507d472582fb332a0cfd6e7b4a5ea2141e6202470.00842578 ETH
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Contract Source Code Verified (Exact Match)

Contract Name:
TransparentUpgradeableProxy

Compiler Version
v0.8.9+commit.e5eed63a

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 14 : Ownable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)

pragma 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() {
        _transferOwnership(_msgSender());
    }

    /**
     * @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 {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing 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 {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _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);
    }
}

File 2 of 14 : draft-IERC1822.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (interfaces/draft-IERC1822.sol)

pragma solidity ^0.8.0;

/**
 * @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified
 * proxy whose upgrades are fully controlled by the current implementation.
 */
interface IERC1822Proxiable {
    /**
     * @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation
     * address.
     *
     * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks
     * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this
     * function revert if invoked through a proxy.
     */
    function proxiableUUID() external view returns (bytes32);
}

File 3 of 14 : IERC1967.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.3) (interfaces/IERC1967.sol)

pragma solidity ^0.8.0;

/**
 * @dev ERC-1967: Proxy Storage Slots. This interface contains the events defined in the ERC.
 *
 * _Available since v4.9._
 */
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);
}

File 4 of 14 : BeaconProxy.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (proxy/beacon/BeaconProxy.sol)

pragma 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 an {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 initializing 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 {
        _upgradeBeaconToAndCall(beacon, data, false);
    }

    /**
     * @dev Returns the current beacon address.
     */
    function _beacon() internal view virtual returns (address) {
        return _getBeacon();
    }

    /**
     * @dev Returns the current implementation address of the associated beacon.
     */
    function _implementation() internal view virtual override returns (address) {
        return IBeacon(_getBeacon()).implementation();
    }

    /**
     * @dev Changes the proxy to use a new beacon. Deprecated: see {_upgradeBeaconToAndCall}.
     *
     * If `data` is nonempty, it's used as data in a delegate call to the implementation returned by the beacon.
     *
     * Requirements:
     *
     * - `beacon` must be a contract.
     * - The implementation returned by `beacon` must be a contract.
     */
    function _setBeacon(address beacon, bytes memory data) internal virtual {
        _upgradeBeaconToAndCall(beacon, data, false);
    }
}

File 5 of 14 : IBeacon.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (proxy/beacon/IBeacon.sol)

pragma 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);
}

File 6 of 14 : UpgradeableBeacon.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (proxy/beacon/UpgradeableBeacon.sol)

pragma 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.
     *
     * Requirements:
     *
     * - msg.sender must be the owner of the contract.
     * - `newImplementation` must be a contract.
     */
    function upgradeTo(address newImplementation) public virtual onlyOwner {
        _setImplementation(newImplementation);
        emit Upgraded(newImplementation);
    }

    /**
     * @dev Sets the implementation contract address for this beacon
     *
     * Requirements:
     *
     * - `newImplementation` must be a contract.
     */
    function _setImplementation(address newImplementation) private {
        require(Address.isContract(newImplementation), "UpgradeableBeacon: implementation is not a contract");
        _implementation = newImplementation;
    }
}

File 7 of 14 : ERC1967Proxy.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (proxy/ERC1967/ERC1967Proxy.sol)

pragma 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 initializing the storage of the proxy like a Solidity constructor.
     */
    constructor(address _logic, bytes memory _data) payable {
        _upgradeToAndCall(_logic, _data, false);
    }

    /**
     * @dev Returns the current implementation address.
     */
    function _implementation() internal view virtual override returns (address impl) {
        return ERC1967Upgrade._getImplementation();
    }
}

File 8 of 14 : ERC1967Upgrade.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.3) (proxy/ERC1967/ERC1967Upgrade.sol)

pragma solidity ^0.8.2;

import "../beacon/IBeacon.sol";
import "../../interfaces/IERC1967.sol";
import "../../interfaces/draft-IERC1822.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 is IERC1967 {
    // 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
     * validated in the constructor.
     */
    bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    /**
     * @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.
     */
    function _setImplementation(address newImplementation) private {
        require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
        StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
    }

    /**
     * @dev Perform implementation upgrade
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeTo(address newImplementation) internal {
        _setImplementation(newImplementation);
        emit Upgraded(newImplementation);
    }

    /**
     * @dev Perform implementation upgrade with additional setup call.
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeToAndCall(
        address newImplementation,
        bytes memory data,
        bool forceCall
    ) internal {
        _upgradeTo(newImplementation);
        if (data.length > 0 || forceCall) {
            Address.functionDelegateCall(newImplementation, data);
        }
    }

    /**
     * @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call.
     *
     * Emits an {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) {
                require(slot == _IMPLEMENTATION_SLOT, "ERC1967Upgrade: unsupported proxiableUUID");
            } catch {
                revert("ERC1967Upgrade: new implementation is not UUPS");
            }
            _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
     * validated in the constructor.
     */
    bytes32 internal constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;

    /**
     * @dev Returns the current admin.
     */
    function _getAdmin() internal view returns (address) {
        return StorageSlot.getAddressSlot(_ADMIN_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 admin slot.
     */
    function _setAdmin(address newAdmin) private {
        require(newAdmin != address(0), "ERC1967: new admin is the zero address");
        StorageSlot.getAddressSlot(_ADMIN_SLOT).value = newAdmin;
    }

    /**
     * @dev Changes the admin of the proxy.
     *
     * Emits an {AdminChanged} event.
     */
    function _changeAdmin(address newAdmin) internal {
        emit AdminChanged(_getAdmin(), newAdmin);
        _setAdmin(newAdmin);
    }

    /**
     * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.
     * This is bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor.
     */
    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 EIP1967 beacon slot.
     */
    function _setBeacon(address newBeacon) private {
        require(Address.isContract(newBeacon), "ERC1967: new beacon is not a contract");
        require(
            Address.isContract(IBeacon(newBeacon).implementation()),
            "ERC1967: beacon implementation is not a contract"
        );
        StorageSlot.getAddressSlot(_BEACON_SLOT).value = newBeacon;
    }

    /**
     * @dev Perform beacon upgrade with additional setup call. Note: This upgrades the address of the beacon, it does
     * not upgrade the implementation contained in the beacon (see {UpgradeableBeacon-_setImplementation} for that).
     *
     * Emits a {BeaconUpgraded} event.
     */
    function _upgradeBeaconToAndCall(
        address newBeacon,
        bytes memory data,
        bool forceCall
    ) internal {
        _setBeacon(newBeacon);
        emit BeaconUpgraded(newBeacon);
        if (data.length > 0 || forceCall) {
            Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data);
        }
    }
}

File 9 of 14 : Proxy.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (proxy/Proxy.sol)

pragma 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 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 {
        _beforeFallback();
        _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();
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data
     * is empty.
     */
    receive() external payable virtual {
        _fallback();
    }

    /**
     * @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback`
     * call, or as part of the Solidity `fallback` or `receive` functions.
     *
     * If overridden should call `super._beforeFallback()`.
     */
    function _beforeFallback() internal virtual {}
}

File 10 of 14 : ProxyAdmin.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.3) (proxy/transparent/ProxyAdmin.sol)

pragma 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(ITransparentUpgradeableProxy 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(ITransparentUpgradeableProxy 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));
    }

    /**
     * @dev Changes the admin of `proxy` to `newAdmin`.
     *
     * Requirements:
     *
     * - This contract must be the current admin of `proxy`.
     */
    function changeProxyAdmin(ITransparentUpgradeableProxy proxy, address newAdmin) public virtual onlyOwner {
        proxy.changeAdmin(newAdmin);
    }

    /**
     * @dev Upgrades `proxy` to `implementation`. See {TransparentUpgradeableProxy-upgradeTo}.
     *
     * Requirements:
     *
     * - This contract must be the admin of `proxy`.
     */
    function upgrade(ITransparentUpgradeableProxy proxy, address implementation) public virtual onlyOwner {
        proxy.upgradeTo(implementation);
    }

    /**
     * @dev Upgrades `proxy` to `implementation` and calls a function on the new implementation. See
     * {TransparentUpgradeableProxy-upgradeToAndCall}.
     *
     * Requirements:
     *
     * - This contract must be the admin of `proxy`.
     */
    function upgradeAndCall(
        ITransparentUpgradeableProxy proxy,
        address implementation,
        bytes memory data
    ) public payable virtual onlyOwner {
        proxy.upgradeToAndCall{value: msg.value}(implementation, data);
    }
}

File 11 of 14 : TransparentUpgradeableProxy.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.3) (proxy/transparent/TransparentUpgradeableProxy.sol)

pragma solidity ^0.8.0;

import "../ERC1967/ERC1967Proxy.sol";

/**
 * @dev Interface for {TransparentUpgradeableProxy}. In order to implement transparency, {TransparentUpgradeableProxy}
 * does not implement this interface directly, and some of its functions are 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 admin() external view returns (address);

    function implementation() external view returns (address);

    function changeAdmin(address) external;

    function upgradeTo(address) external;

    function upgradeToAndCall(address, bytes memory) external payable;
}

/**
 * @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.
 *
 * NOTE: The real interface of this proxy is that defined in `ITransparentUpgradeableProxy`. This contract does not
 * inherit from that interface, and instead the admin functions are 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.
 *
 * 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 admin operations inaccessible, which could prevent upgradeability. Transparency may also be compromised.
 */
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) {
        _changeAdmin(admin_);
    }

    /**
     * @dev Modifier used internally that will delegate the call to the implementation unless the sender is the admin.
     *
     * CAUTION: This modifier is deprecated, as it could cause issues if the modified function has arguments, and the
     * implementation provides a function with the same selector.
     */
    modifier ifAdmin() {
        if (msg.sender == _getAdmin()) {
            _;
        } else {
            _fallback();
        }
    }

    /**
     * @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 == _getAdmin()) {
            bytes memory ret;
            bytes4 selector = msg.sig;
            if (selector == ITransparentUpgradeableProxy.upgradeTo.selector) {
                ret = _dispatchUpgradeTo();
            } else if (selector == ITransparentUpgradeableProxy.upgradeToAndCall.selector) {
                ret = _dispatchUpgradeToAndCall();
            } else if (selector == ITransparentUpgradeableProxy.changeAdmin.selector) {
                ret = _dispatchChangeAdmin();
            } else if (selector == ITransparentUpgradeableProxy.admin.selector) {
                ret = _dispatchAdmin();
            } else if (selector == ITransparentUpgradeableProxy.implementation.selector) {
                ret = _dispatchImplementation();
            } else {
                revert("TransparentUpgradeableProxy: admin cannot fallback to proxy target");
            }
            assembly {
                return(add(ret, 0x20), mload(ret))
            }
        } else {
            super._fallback();
        }
    }

    /**
     * @dev Returns the current admin.
     *
     * TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using the
     * https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call.
     * `0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103`
     */
    function _dispatchAdmin() private returns (bytes memory) {
        _requireZeroValue();

        address admin = _getAdmin();
        return abi.encode(admin);
    }

    /**
     * @dev Returns the current implementation.
     *
     * TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using the
     * https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call.
     * `0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc`
     */
    function _dispatchImplementation() private returns (bytes memory) {
        _requireZeroValue();

        address implementation = _implementation();
        return abi.encode(implementation);
    }

    /**
     * @dev Changes the admin of the proxy.
     *
     * Emits an {AdminChanged} event.
     */
    function _dispatchChangeAdmin() private returns (bytes memory) {
        _requireZeroValue();

        address newAdmin = abi.decode(msg.data[4:], (address));
        _changeAdmin(newAdmin);

        return "";
    }

    /**
     * @dev Upgrade the implementation of the proxy.
     */
    function _dispatchUpgradeTo() private returns (bytes memory) {
        _requireZeroValue();

        address newImplementation = abi.decode(msg.data[4:], (address));
        _upgradeToAndCall(newImplementation, bytes(""), false);

        return "";
    }

    /**
     * @dev Upgrade the implementation of the proxy, and then call a function from the new implementation as specified
     * by `data`, which should be an encoded function call. This is useful to initialize new storage variables in the
     * proxied contract.
     */
    function _dispatchUpgradeToAndCall() private returns (bytes memory) {
        (address newImplementation, bytes memory data) = abi.decode(msg.data[4:], (address, bytes));
        _upgradeToAndCall(newImplementation, data, true);

        return "";
    }

    /**
     * @dev Returns the current admin.
     */
    function _admin() internal view virtual returns (address) {
        return _getAdmin();
    }

    /**
     * @dev To keep this contract fully transparent, all `ifAdmin` functions must be payable. This helper is here to
     * emulate some proxy functions being non-payable while still allowing value to pass through.
     */
    function _requireZeroValue() private {
        require(msg.value == 0);
    }
}

File 12 of 14 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @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
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 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
     * 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://diligence.consensys.net/posts/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/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @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, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * 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.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @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`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) 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
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

File 13 of 14 : Context.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma 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) {
        return msg.data;
    }
}

File 14 of 14 : StorageSlot.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/StorageSlot.sol)

pragma 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;
    }

    struct Uint256Slot {
        uint256 value;
    }

    /**
     * @dev Returns an `AddressSlot` with member `value` located at `slot`.
     */
    function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BooleanSlot` with member `value` located at `slot`.
     */
    function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
     */
    function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Uint256Slot` with member `value` located at `slot`.
     */
    function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

Contract ABI

[{"inputs":[{"internalType":"address","name":"_logic","type":"address"},{"internalType":"address","name":"admin_","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"stateMutability":"payable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"previousAdmin","type":"address"},{"indexed":false,"internalType":"address","name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"beacon","type":"address"}],"name":"BeaconUpgraded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"stateMutability":"payable","type":"receive"}]

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Deployed Bytecode

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

000000000000000000000000fc9c9843cae67df0e5f6acaa1c34d8cea24ea6d8000000000000000000000000717d0bf97ce58e14945f5e0320ee98381aeaddaf000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000048129fc1c00000000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : _logic (address): 0xfc9c9843cae67df0e5f6acaa1c34d8cea24ea6d8
Arg [1] : admin_ (address): 0x717d0bf97ce58e14945f5e0320ee98381aeaddaf
Arg [2] : _data (bytes): 0x8129fc1c

-----Encoded View---------------
5 Constructor Arguments found :
Arg [0] : 000000000000000000000000fc9c9843cae67df0e5f6acaa1c34d8cea24ea6d8
Arg [1] : 000000000000000000000000717d0bf97ce58e14945f5e0320ee98381aeaddaf
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000004
Arg [4] : 8129fc1c00000000000000000000000000000000000000000000000000000000


Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Block Uncle Number Difficulty Gas Used Reward
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