Contract 0x203328c161d23dceee3e439deeb25ca19e2c4984 1

 
Txn Hash Method
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From
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0x15bdfe114dab51da7e02b7a1d46932d8f842336776cf533435306b291d73d3fbUpgrade To172998222022-08-02 16:42:0717 days 7 hrs ago0x3d77f824910eb37eed65eb789139805b34d73807 IN  Rubicon: Bath House0 Ether0.‍0000968408590.‍001
0x72b2ac0da8613a5b88f5b98062ffabe1317913b41914c63f1db87c8266078d02Set New Bath Tok...151545912022-07-20 18:17:0730 days 6 hrs ago0x3204ac6f848e05557c6c7876e09059882e07962f IN  Rubicon: Bath House0 Ether0.‍0001987345080.‍001
0x0826a863053c658ed79cc3b626f6a14a7f681a1ecdc58117754a16d5a94e91b5Set Bonus Token145946632022-07-15 17:13:0935 days 7 hrs ago0x3204ac6f848e05557c6c7876e09059882e07962f IN  Rubicon: Bath House0 Ether0.‍0002982122660.‍001
0x12a11234bd27ea97f1bd63e2695962544ee948807ac5d170ced9f4cc99773636Set Bath Token B...145946082022-07-15 17:12:5435 days 7 hrs ago0x3204ac6f848e05557c6c7876e09059882e07962f IN  Rubicon: Bath House0 Ether0.‍0002531503760.‍001
0x783affdf09235772ed5eb5332d8e4804d4c88a173fb77a851cc3046e5bc9667aSet Bonus Token145943442022-07-15 17:11:5335 days 7 hrs ago0x3204ac6f848e05557c6c7876e09059882e07962f IN  Rubicon: Bath House0 Ether0.‍0001995723530.‍001
0x53efd10e17cb5c1e844a271f269441c66edf59815d93412ec9fe857582599fedSet Bath Token B...145943342022-07-15 17:11:3635 days 7 hrs ago0x3204ac6f848e05557c6c7876e09059882e07962f IN  Rubicon: Bath House0 Ether0.‍0002088748420.‍001
0xfad210a01c5b1165b0060e54b0c2e7b3fa1ec4f9dca6374071dd74326aba03c2Set Bonus Token145942442022-07-15 17:10:0535 days 7 hrs ago0x3204ac6f848e05557c6c7876e09059882e07962f IN  Rubicon: Bath House0 Ether0.‍0002560403730.‍001
0xa8c90ae5fac7cf7de220f8c815ef2a8aa819f4aa2f369c59a38872c7a53a2fa1Set Bath Token B...145942072022-07-15 17:09:5035 days 7 hrs ago0x3204ac6f848e05557c6c7876e09059882e07962f IN  Rubicon: Bath House0 Ether0.‍0002686863390.‍001
0x7ee4231ee7b7603a5dc5ed1e56a627281180ad2b73dc791ae69ecd52fff03956Set Bonus Token145939802022-07-15 17:07:2835 days 7 hrs ago0x3204ac6f848e05557c6c7876e09059882e07962f IN  Rubicon: Bath House0 Ether0.‍0003614429530.‍001
0x1a7dffabd1531c31895d13c22622d24273cb88c40857b6c1ef54e4dc836034e0Set Bath Token B...145939442022-07-15 17:07:1335 days 7 hrs ago0x3204ac6f848e05557c6c7876e09059882e07962f IN  Rubicon: Bath House0 Ether0.‍0004567287420.‍001
0x58d8413f02595bd96d872c5cd325c2e254bcd0795bd2caf53769d7042390b6f5Set Bonus Token145938552022-07-15 17:05:2535 days 7 hrs ago0x3204ac6f848e05557c6c7876e09059882e07962f IN  Rubicon: Bath House0 Ether0.‍0004994391870.‍001
0x112f5386c3f83c8d9b45fd0269c93fe2c0bd386b5b9307ce48f5d685169abe41Set Bath Token B...145938132022-07-15 17:04:5535 days 7 hrs ago0x3204ac6f848e05557c6c7876e09059882e07962f IN  Rubicon: Bath House0 Ether0.‍000524132390.‍001
0xcc7dbcc4e5e12a2743038440f3b56d8a1f7547569ad4a89cf56525b7d0957f4cSet Bonus Token145937622022-07-15 17:03:4035 days 7 hrs ago0x3204ac6f848e05557c6c7876e09059882e07962f IN  Rubicon: Bath House0 Ether0.‍0007155167090.‍001
0xe57e49e4b9c1146a0d69ce32e28c1a7959f9478f2d5492490ff3b5ef540d7cf8Set Bath Token B...145937422022-07-15 17:03:2435 days 7 hrs ago0x3204ac6f848e05557c6c7876e09059882e07962f IN  Rubicon: Bath House0 Ether0.‍0007509048580.‍001
0x8a1e3276fce087662d1a28d7e151c7686509b9f00a4757031e11b4ff2b04709dSet Bonus Token145936722022-07-15 17:01:4835 days 7 hrs ago0x3204ac6f848e05557c6c7876e09059882e07962f IN  Rubicon: Bath House0 Ether0.‍0004293935790.‍001
0x6e62ecd6123cfef055996016e781c7b7f8fc4dc27442fbecbfe9181358fbc182Set Bath Token B...145936162022-07-15 17:00:2935 days 7 hrs ago0x3204ac6f848e05557c6c7876e09059882e07962f IN  Rubicon: Bath House0 Ether0.‍0002863937270.‍001
0x326b7dc3b220a3b58391d3624fe1feb3f2c675d88a13d2ad3f82284f3fe8e1e3Upgrade To145925942022-07-15 16:42:5935 days 7 hrs ago0x3d77f824910eb37eed65eb789139805b34d73807 IN  Rubicon: Bath House0 Ether0.‍0001263273020.‍001
0xc3bf00e2804d807a38a4a73893d879a64eec297033566e92618846a24ed1d1c5Set Reserve Rati...99104492022-06-01 8:48:0779 days 15 hrs ago0x3204ac6f848e05557c6c7876e09059882e07962f IN  Rubicon: Bath House0 Ether0.‍0000951075850.‍001
0xbf8504a9b601d544a5f4a970fdf80ebeadd1e837efe7fd2772bae27e94883b1bApprove Strategi...98331052022-06-01 5:53:3779 days 18 hrs ago0x3204ac6f848e05557c6c7876e09059882e07962f IN  Rubicon: Bath House0 Ether0.‍000170808430.‍001
0x7cd7359abcfb8a61ff655d10d0770095708c00e961250d0afe8d6aa116c11459Create Bath Toke...91437672022-05-27 17:00:2484 days 7 hrs ago0x3204ac6f848e05557c6c7876e09059882e07962f IN  Rubicon: Bath House0 Ether0.‍0001699797890.‍001
0x6d767f2d74447e0ed84b5fc4231e5d77262d32d2e7a45ec77b08e3e3f1b9b63aSet New Bath Tok...91425202022-05-27 16:42:4184 days 7 hrs ago0x3204ac6f848e05557c6c7876e09059882e07962f IN  Rubicon: Bath House0 Ether0.‍0001607278530.‍001
0xcd153471f11ae78d8e7facfb253fa236e73a70e15626deedb1a6c1149a835149Set BPS To Strat...89980252022-05-25 21:02:1186 days 3 hrs ago0x3204ac6f848e05557c6c7876e09059882e07962f IN  Rubicon: Bath House0 Ether0.‍0003272451310.‍001
0xa6612d15937a4c550423bfafe1fb18ab42d2c827946b4a8b1314ac128fadbb2cUpgrade To89979772022-05-25 21:00:3086 days 3 hrs ago0x3d77f824910eb37eed65eb789139805b34d73807 IN  Rubicon: Bath House0 Ether0.‍0003815251040.‍001
0x6dffc8bc45514b28df1c6f0199c1b85c91e3a69e84a203ec79da73e5aaa3553cUpgrade To89364612022-05-24 21:40:1787 days 2 hrs ago0x3d77f824910eb37eed65eb789139805b34d73807 IN  Rubicon: Bath House0 Ether0.‍000104211880.‍001
0x648d50fe8082e576bd7b023ecb2f6c917bbf70a550be1aa6b5c9efffa54b37e9Set Fee To48010422022-03-24 14:46:57148 days 9 hrs ago0x3204ac6f848e05557c6c7876e09059882e07962f IN  Rubicon: Bath House0 Ether0.‍0003430881420.‍001
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0x46ef49ac9718eab18ab65dddf347dea8cd18fea20a61b542ed49e278c979e582198297912022-08-19 22:31:311 hr 58 mins ago Rubicon: Bath House 0x29da5213c75a1976452a27c8054e4c65ab0a3c530 Ether
0x46ef49ac9718eab18ab65dddf347dea8cd18fea20a61b542ed49e278c979e582198297912022-08-19 22:31:311 hr 58 mins ago Rubicon: Bath Pair Rubicon: Bath House0 Ether
0x46ef49ac9718eab18ab65dddf347dea8cd18fea20a61b542ed49e278c979e582198297912022-08-19 22:31:311 hr 58 mins ago Rubicon: Bath House 0x29da5213c75a1976452a27c8054e4c65ab0a3c530 Ether
0x46ef49ac9718eab18ab65dddf347dea8cd18fea20a61b542ed49e278c979e582198297912022-08-19 22:31:311 hr 58 mins ago Rubicon: Bath Pair Rubicon: Bath House0 Ether
0x46ef49ac9718eab18ab65dddf347dea8cd18fea20a61b542ed49e278c979e582198297912022-08-19 22:31:311 hr 58 mins ago Rubicon: Bath House 0x29da5213c75a1976452a27c8054e4c65ab0a3c530 Ether
0x46ef49ac9718eab18ab65dddf347dea8cd18fea20a61b542ed49e278c979e582198297912022-08-19 22:31:311 hr 58 mins ago Rubicon: bathUSDT Token Rubicon: Bath House0 Ether
0x46ef49ac9718eab18ab65dddf347dea8cd18fea20a61b542ed49e278c979e582198297912022-08-19 22:31:311 hr 58 mins ago Rubicon: Bath House 0x29da5213c75a1976452a27c8054e4c65ab0a3c530 Ether
0x46ef49ac9718eab18ab65dddf347dea8cd18fea20a61b542ed49e278c979e582198297912022-08-19 22:31:311 hr 58 mins ago 0xb0be5d911e3bd4ee2a8706cf1fac8d767a550497 Rubicon: Bath House0 Ether
0x46ef49ac9718eab18ab65dddf347dea8cd18fea20a61b542ed49e278c979e582198297912022-08-19 22:31:311 hr 58 mins ago Rubicon: Bath House 0x29da5213c75a1976452a27c8054e4c65ab0a3c530 Ether
0x46ef49ac9718eab18ab65dddf347dea8cd18fea20a61b542ed49e278c979e582198297912022-08-19 22:31:311 hr 58 mins ago Rubicon: Bath Pair Rubicon: Bath House0 Ether
0x46ef49ac9718eab18ab65dddf347dea8cd18fea20a61b542ed49e278c979e582198297912022-08-19 22:31:311 hr 58 mins ago Rubicon: Bath House 0x29da5213c75a1976452a27c8054e4c65ab0a3c530 Ether
0x46ef49ac9718eab18ab65dddf347dea8cd18fea20a61b542ed49e278c979e582198297912022-08-19 22:31:311 hr 58 mins ago Rubicon: Bath Pair Rubicon: Bath House0 Ether
0x46ef49ac9718eab18ab65dddf347dea8cd18fea20a61b542ed49e278c979e582198297912022-08-19 22:31:311 hr 58 mins ago Rubicon: Bath House 0x29da5213c75a1976452a27c8054e4c65ab0a3c530 Ether
0x46ef49ac9718eab18ab65dddf347dea8cd18fea20a61b542ed49e278c979e582198297912022-08-19 22:31:311 hr 58 mins ago Rubicon: Bath Pair Rubicon: Bath House0 Ether
0x46ef49ac9718eab18ab65dddf347dea8cd18fea20a61b542ed49e278c979e582198297912022-08-19 22:31:311 hr 58 mins ago Rubicon: Bath House 0x29da5213c75a1976452a27c8054e4c65ab0a3c530 Ether
0x46ef49ac9718eab18ab65dddf347dea8cd18fea20a61b542ed49e278c979e582198297912022-08-19 22:31:311 hr 58 mins ago Rubicon: Bath Pair Rubicon: Bath House0 Ether
0x46ef49ac9718eab18ab65dddf347dea8cd18fea20a61b542ed49e278c979e582198297912022-08-19 22:31:311 hr 58 mins ago Rubicon: Bath House 0x29da5213c75a1976452a27c8054e4c65ab0a3c530 Ether
0x46ef49ac9718eab18ab65dddf347dea8cd18fea20a61b542ed49e278c979e582198297912022-08-19 22:31:311 hr 58 mins ago Rubicon: Bath Pair Rubicon: Bath House0 Ether
0x46ef49ac9718eab18ab65dddf347dea8cd18fea20a61b542ed49e278c979e582198297912022-08-19 22:31:311 hr 58 mins ago Rubicon: Bath House 0x29da5213c75a1976452a27c8054e4c65ab0a3c530 Ether
0x46ef49ac9718eab18ab65dddf347dea8cd18fea20a61b542ed49e278c979e582198297912022-08-19 22:31:311 hr 58 mins ago Rubicon: bathUSDT Token Rubicon: Bath House0 Ether
0x46ef49ac9718eab18ab65dddf347dea8cd18fea20a61b542ed49e278c979e582198297912022-08-19 22:31:311 hr 58 mins ago Rubicon: Bath House 0x29da5213c75a1976452a27c8054e4c65ab0a3c530 Ether
0x46ef49ac9718eab18ab65dddf347dea8cd18fea20a61b542ed49e278c979e582198297912022-08-19 22:31:311 hr 58 mins ago 0xb0be5d911e3bd4ee2a8706cf1fac8d767a550497 Rubicon: Bath House0 Ether
0x46ef49ac9718eab18ab65dddf347dea8cd18fea20a61b542ed49e278c979e582198297912022-08-19 22:31:311 hr 58 mins ago Rubicon: Bath House 0x29da5213c75a1976452a27c8054e4c65ab0a3c530 Ether
0x46ef49ac9718eab18ab65dddf347dea8cd18fea20a61b542ed49e278c979e582198297912022-08-19 22:31:311 hr 58 mins ago Rubicon: Bath Pair Rubicon: Bath House0 Ether
0x46ef49ac9718eab18ab65dddf347dea8cd18fea20a61b542ed49e278c979e582198297912022-08-19 22:31:311 hr 58 mins ago Rubicon: Bath House 0x29da5213c75a1976452a27c8054e4c65ab0a3c530 Ether
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Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0x612d4eaF6879C4424E44d031d97aA3010E15499A

Contract Name:
TransparentUpgradeableProxy

Compiler Version
v0.7.6+commit.7338295f

Optimization Enabled:
Yes with 1 runs

Other Settings:
default evmVersion
File 1 of 4 : TransparentUpgradeableProxy.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "./UpgradeableProxy.sol";

/**
 * @dev This contract implements a proxy that is upgradeable by an admin.
 *
 * To avoid https://medium.com/nomic-labs-blog/malicious-backdoors-in-ethereum-proxies-62629adf3357[proxy selector
 * clashing], which can potentially be used in an attack, this contract uses the
 * https://blog.openzeppelin.com/the-transparent-proxy-pattern/[transparent proxy pattern]. This pattern implies two
 * things that go hand in hand:
 *
 * 1. If any account other than the admin calls the proxy, the call will be forwarded to the implementation, even if
 * that call matches one of the admin functions exposed by the proxy itself.
 * 2. If the admin calls the proxy, it can access the admin functions, but its calls will never be forwarded to the
 * implementation. If the admin tries to call a function on the implementation it will fail with an error that says
 * "admin cannot fallback to proxy target".
 *
 * These properties mean that the admin account can only be used for admin actions like upgrading the proxy or changing
 * the admin, so it's best if it's a dedicated account that is not used for anything else. This will avoid headaches due
 * to sudden errors when trying to call a function from the proxy implementation.
 *
 * Our recommendation is for the dedicated account to be an instance of the {ProxyAdmin} contract. If set up this way,
 * you should think of the `ProxyAdmin` instance as the real administrative interface of your proxy.
 */
contract TransparentUpgradeableProxy is UpgradeableProxy {
    /**
     * @dev Initializes an upgradeable proxy managed by `_admin`, backed by the implementation at `_logic`, and
     * optionally initialized with `_data` as explained in {UpgradeableProxy-constructor}.
     */
    constructor(address _logic, address admin_, bytes memory _data) public payable UpgradeableProxy(_logic, _data) {
        assert(_ADMIN_SLOT == bytes32(uint256(keccak256("eip1967.proxy.admin")) - 1));
        _setAdmin(admin_);
    }

    /**
     * @dev Emitted when the admin account has changed.
     */
    event AdminChanged(address previousAdmin, address newAdmin);

    /**
     * @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 private constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;

    /**
     * @dev Modifier used internally that will delegate the call to the implementation unless the sender is the admin.
     */
    modifier ifAdmin() {
        if (msg.sender == _admin()) {
            _;
        } else {
            _fallback();
        }
    }

    /**
     * @dev Returns the current admin.
     *
     * NOTE: Only the admin can call this function. See {ProxyAdmin-getProxyAdmin}.
     *
     * 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 admin() external ifAdmin returns (address admin_) {
        admin_ = _admin();
    }

    /**
     * @dev Returns the current implementation.
     *
     * NOTE: Only the admin can call this function. See {ProxyAdmin-getProxyImplementation}.
     *
     * 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 implementation() external ifAdmin returns (address implementation_) {
        implementation_ = _implementation();
    }

    /**
     * @dev Changes the admin of the proxy.
     *
     * Emits an {AdminChanged} event.
     *
     * NOTE: Only the admin can call this function. See {ProxyAdmin-changeProxyAdmin}.
     */
    function changeAdmin(address newAdmin) external virtual ifAdmin {
        require(newAdmin != address(0), "TransparentUpgradeableProxy: new admin is the zero address");
        emit AdminChanged(_admin(), newAdmin);
        _setAdmin(newAdmin);
    }

    /**
     * @dev Upgrade the implementation of the proxy.
     *
     * NOTE: Only the admin can call this function. See {ProxyAdmin-upgrade}.
     */
    function upgradeTo(address newImplementation) external virtual ifAdmin {
        _upgradeTo(newImplementation);
    }

    /**
     * @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.
     *
     * NOTE: Only the admin can call this function. See {ProxyAdmin-upgradeAndCall}.
     */
    function upgradeToAndCall(address newImplementation, bytes calldata data) external payable virtual ifAdmin {
        _upgradeTo(newImplementation);
        Address.functionDelegateCall(newImplementation, data);
    }

    /**
     * @dev Returns the current admin.
     */
    function _admin() internal view virtual returns (address adm) {
        bytes32 slot = _ADMIN_SLOT;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            adm := sload(slot)
        }
    }

    /**
     * @dev Stores a new address in the EIP1967 admin slot.
     */
    function _setAdmin(address newAdmin) private {
        bytes32 slot = _ADMIN_SLOT;

        // solhint-disable-next-line no-inline-assembly
        assembly {
            sstore(slot, newAdmin)
        }
    }

    /**
     * @dev Makes sure the admin cannot access the fallback function. See {Proxy-_beforeFallback}.
     */
    function _beforeFallback() internal virtual override {
        require(msg.sender != _admin(), "TransparentUpgradeableProxy: admin cannot fallback to proxy target");
        super._beforeFallback();
    }
}

File 2 of 4 : UpgradeableProxy.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "./Proxy.sol";
import "../utils/Address.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.
 *
 * Upgradeability is only provided internally through {_upgradeTo}. For an externally upgradeable proxy see
 * {TransparentUpgradeableProxy}.
 */
contract UpgradeableProxy is Proxy {
    /**
     * @dev Initializes the upgradeable proxy with an initial implementation specified by `_logic`.
     *
     * If `_data` is nonempty, it's used as data in a delegate call to `_logic`. This will typically be an encoded
     * function call, and allows initializating the storage of the proxy like a Solidity constructor.
     */
    constructor(address _logic, bytes memory _data) public payable {
        assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
        _setImplementation(_logic);
        if(_data.length > 0) {
            Address.functionDelegateCall(_logic, _data);
        }
    }

    /**
     * @dev Emitted when the implementation is upgraded.
     */
    event Upgraded(address indexed implementation);

    /**
     * @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 private constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    /**
     * @dev Returns the current implementation address.
     */
    function _implementation() internal view virtual override returns (address impl) {
        bytes32 slot = _IMPLEMENTATION_SLOT;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            impl := sload(slot)
        }
    }

    /**
     * @dev Upgrades the proxy to a new implementation.
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeTo(address newImplementation) internal virtual {
        _setImplementation(newImplementation);
        emit Upgraded(newImplementation);
    }

    /**
     * @dev Stores a new address in the EIP1967 implementation slot.
     */
    function _setImplementation(address newImplementation) private {
        require(Address.isContract(newImplementation), "UpgradeableProxy: new implementation is not a contract");

        bytes32 slot = _IMPLEMENTATION_SLOT;

        // solhint-disable-next-line no-inline-assembly
        assembly {
            sstore(slot, newImplementation)
        }
    }
}

File 3 of 4 : Proxy.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM
 * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to
 * be specified by overriding the virtual {_implementation} function.
 *
 * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a
 * different contract through the {_delegate} function.
 *
 * The success and return data of the delegated call will be returned back to the caller of the proxy.
 */
abstract contract Proxy {
    /**
     * @dev Delegates the current call to `implementation`.
     *
     * This function does not return to its internall call site, it will return directly to the external caller.
     */
    function _delegate(address implementation) internal virtual {
        // solhint-disable-next-line no-inline-assembly
        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 overriden 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 internall 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 overriden should call `super._beforeFallback()`.
     */
    function _beforeFallback() internal virtual {
    }
}

File 4 of 4 : Address.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        // solhint-disable-next-line no-inline-assembly
        assembly { size := extcodesize(account) }
        return size > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * 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");

        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
        (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 functionCall(target, data, "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");
        require(isContract(target), "Address: call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.call{ value: value }(data);
        return _verifyCallResult(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) {
        require(isContract(target), "Address: static call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.staticcall(data);
        return _verifyCallResult(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) {
        require(isContract(target), "Address: delegate call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
        if (success) {
            return returndata;
        } else {
            // 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

                // solhint-disable-next-line no-inline-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 1
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

Contract Security Audit

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":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"admin","outputs":[{"internalType":"address","name":"admin_","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newAdmin","type":"address"}],"name":"changeAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"implementation_","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"stateMutability":"payable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
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