Contract 0x07d762943f2501C630cCDb82e3BD81DB4Ee45256

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0x4bf77f916298beed72d3a6aba257cc59c010c1d3da7c16562a3fc4194ab33602Fulfill Games Od...202863922024-01-23 9:07:3285 days 3 hrs ago0xd866b2332d4383c1bf719732177e2d9109c99dbc IN  0x07d762943f2501c630ccdb82e3bd81db4ee452560 ETH0.0080991533162.500000252
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0x8eb5994bf28a87ff3c58bc06c21e87f09ae123b3f4761bcd88da942a47052952Fulfill Games Od...188656252023-12-21 11:48:38118 days 26 mins ago0xd866b2332d4383c1bf719732177e2d9109c99dbc IN  0x07d762943f2501c630ccdb82e3bd81db4ee452560 ETH0.0125296962632.500000252
0x5f5254deaff2a38f400f30c9093b36619f2379d6a3e440446a656491f0c028dbFulfill Games Od...188656222023-12-21 11:48:32118 days 26 mins ago0xd866b2332d4383c1bf719732177e2d9109c99dbc IN  0x07d762943f2501c630ccdb82e3bd81db4ee452560 ETH0.0125504287652.500000252
0xe290561fe4f3590eea7e02eae8e4607e59f977a31c1e85c75e7ba002c375243eFulfill Games Od...188656192023-12-21 11:48:26118 days 26 mins ago0xd866b2332d4383c1bf719732177e2d9109c99dbc IN  0x07d762943f2501c630ccdb82e3bd81db4ee452560 ETH0.0197511044992.500000253
0xad4197bd6ee530a550a0ce9040db508327e655eebbeda0c467a2b1d9ca58fd6fFulfill Games Od...188656162023-12-21 11:48:20118 days 26 mins ago0xd866b2332d4383c1bf719732177e2d9109c99dbc IN  0x07d762943f2501c630ccdb82e3bd81db4ee452560 ETH0.0197514994912.500000252
0xa94e22e1d8b0fd59635e28517d390b345bffbd078b2ac8f102fed6e31f3342a7Fulfill Games Od...183016232023-12-08 10:28:34131 days 1 hr ago0xd866b2332d4383c1bf719732177e2d9109c99dbc IN  0x07d762943f2501c630ccdb82e3bd81db4ee452560 ETH0.0039868029022.500000252
0x25d11f7662af92cbeb3573341677329a87512045438910e4bc472c3c9546be42Fulfill Games Od...183016202023-12-08 10:28:28131 days 1 hr ago0xd866b2332d4383c1bf719732177e2d9109c99dbc IN  0x07d762943f2501c630ccdb82e3bd81db4ee452560 ETH0.0186092368762.500000252
0x80677c48e958e6bb07ad1c7ef9332644c118fe92d759eae766b5377a0eb14c10Fulfill Games Od...183016172023-12-08 10:28:22131 days 1 hr ago0xd866b2332d4383c1bf719732177e2d9109c99dbc IN  0x07d762943f2501c630ccdb82e3bd81db4ee452560 ETH0.0126081812712.500000252
0x3644e71482fa3cf79dd35a8f9708133818c8dbc1438914f213a2d827e75950f9Fulfill Games Od...183016152023-12-08 10:28:18131 days 1 hr ago0xd866b2332d4383c1bf719732177e2d9109c99dbc IN  0x07d762943f2501c630ccdb82e3bd81db4ee452560 ETH0.0046075254642.500000252
0x2c5aa828573851e6600b3e939d71e433ee0dccb79d5967579b7afbcdf5135d7bFulfill Games Od...183016122023-12-08 10:28:12131 days 1 hr ago0xd866b2332d4383c1bf719732177e2d9109c99dbc IN  0x07d762943f2501c630ccdb82e3bd81db4ee452560 ETH0.0098540884932.500000252
0xc4d09f84fbd7d4995d084e17f7880c1f400016281f7206454c59f630209f556bFulfill Games Od...183016102023-12-08 10:28:08131 days 1 hr ago0xd866b2332d4383c1bf719732177e2d9109c99dbc IN  0x07d762943f2501c630ccdb82e3bd81db4ee452560 ETH0.0090030584072.500000252
0x0cbc01000ae072ad3b10ff81121073d1308a7b6964be1cd0f16549bc2677266fFulfill Games Od...183016062023-12-08 10:28:00131 days 1 hr ago0xd866b2332d4383c1bf719732177e2d9109c99dbc IN  0x07d762943f2501c630ccdb82e3bd81db4ee452560 ETH0.0197586144922.500000252
0xac616e6ceb25a065d4a9978d7c32b3baee12fbdfd815a57394320dcd9ecd7140Fulfill Games Od...183016012023-12-08 10:27:50131 days 1 hr ago0xd866b2332d4383c1bf719732177e2d9109c99dbc IN  0x07d762943f2501c630ccdb82e3bd81db4ee452560 ETH0.0200679195232.500000252
0x8ffafa3516cbaac2374cee9a616d2b4fa81546ca5aac492a5fd01ad6c9995d41Fulfill Games Od...183015982023-12-08 10:27:44131 days 1 hr ago0xd866b2332d4383c1bf719732177e2d9109c99dbc IN  0x07d762943f2501c630ccdb82e3bd81db4ee452560 ETH0.0097359284812.500000252
0x3ea61f71b3474f9f2ba5700de1f129d8cb657b4ae42fab617b5b716bca2a6ef0Fulfill Games Od...183015952023-12-08 10:27:38131 days 1 hr ago0xd866b2332d4383c1bf719732177e2d9109c99dbc IN  0x07d762943f2501c630ccdb82e3bd81db4ee452560 ETH0.0113258786422.500000252
0x089bd5ac0afdd95b1966da68d2e467a7f5b1fa6126e0a5c4a5c65f5e5d26ddd9Fulfill Games Od...182649982023-12-07 14:07:44131 days 22 hrs ago0xd866b2332d4383c1bf719732177e2d9109c99dbc IN  0x07d762943f2501c630ccdb82e3bd81db4ee452560 ETH0.0042427565372.500000252
0x0a5d8bd65693cd8479dd4a26e5a61eef3fb23349a4043d4a694f225334736f3eFulfill Games Od...182649962023-12-07 14:07:40131 days 22 hrs ago0xd866b2332d4383c1bf719732177e2d9109c99dbc IN  0x07d762943f2501c630ccdb82e3bd81db4ee452560 ETH0.0199739209722.500000252
0x8f9f9fff71e19afa946bc0e6a9c4f687ab7a0da7b259cd246f4ccbea06294d67Fulfill Games Od...182649932023-12-07 14:07:34131 days 22 hrs ago0xd866b2332d4383c1bf719732177e2d9109c99dbc IN  0x07d762943f2501c630ccdb82e3bd81db4ee452560 ETH0.0203620968892.500000252
0xa9ac328b868ab0a6dacc4b4874c47a03b515b35ae737fd866b7275fb26858271Fulfill Games Od...182649892023-12-07 14:07:26131 days 22 hrs ago0xd866b2332d4383c1bf719732177e2d9109c99dbc IN  0x07d762943f2501c630ccdb82e3bd81db4ee452560 ETH0.0201504004932.500000252
0xe09ede2a80644dddd7ed714a92c3275e7a73198104d9617a78fcc1c2845aba19Fulfill Games Od...182649852023-12-07 14:07:18131 days 22 hrs ago0xd866b2332d4383c1bf719732177e2d9109c99dbc IN  0x07d762943f2501c630ccdb82e3bd81db4ee452560 ETH0.0130779738032.500000252
0x4fcb2f82de92a64dd0d848df16e38a4e1158adc0f9bc6554608e02c0812caf43Fulfill Games Od...182649822023-12-07 14:07:12131 days 22 hrs ago0xd866b2332d4383c1bf719732177e2d9109c99dbc IN  0x07d762943f2501c630ccdb82e3bd81db4ee452560 ETH0.0061980993012.500000252
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Latest 25 internal transaction
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0x88f9b5a5a56822771d922214a38e4f9de76db2cc4f7b52cce806338adc6a4b18118200462023-07-11 9:36:00281 days 2 hrs ago 0x07d762943f2501c630ccdb82e3bd81db4ee45256 0x00d23ce013094f7100b681426c046023d1c028580 ETH
0x88f9b5a5a56822771d922214a38e4f9de76db2cc4f7b52cce806338adc6a4b18118200462023-07-11 9:36:00281 days 2 hrs ago 0x07d762943f2501c630ccdb82e3bd81db4ee45256 0xdb6eb989127d0c33bc630d7b5b53f87ceced3ce10 ETH
0x88f9b5a5a56822771d922214a38e4f9de76db2cc4f7b52cce806338adc6a4b18118200462023-07-11 9:36:00281 days 2 hrs ago 0x07d762943f2501c630ccdb82e3bd81db4ee45256 0xdb6eb989127d0c33bc630d7b5b53f87ceced3ce10 ETH
0x88f9b5a5a56822771d922214a38e4f9de76db2cc4f7b52cce806338adc6a4b18118200462023-07-11 9:36:00281 days 2 hrs ago 0x07d762943f2501c630ccdb82e3bd81db4ee45256 0xdb6eb989127d0c33bc630d7b5b53f87ceced3ce10 ETH
0x88f9b5a5a56822771d922214a38e4f9de76db2cc4f7b52cce806338adc6a4b18118200462023-07-11 9:36:00281 days 2 hrs ago 0x07d762943f2501c630ccdb82e3bd81db4ee45256 0x00d23ce013094f7100b681426c046023d1c028580 ETH
0x88f9b5a5a56822771d922214a38e4f9de76db2cc4f7b52cce806338adc6a4b18118200462023-07-11 9:36:00281 days 2 hrs ago 0x07d762943f2501c630ccdb82e3bd81db4ee45256 0xdb6eb989127d0c33bc630d7b5b53f87ceced3ce10 ETH
0x88f9b5a5a56822771d922214a38e4f9de76db2cc4f7b52cce806338adc6a4b18118200462023-07-11 9:36:00281 days 2 hrs ago 0x07d762943f2501c630ccdb82e3bd81db4ee45256 0xdb6eb989127d0c33bc630d7b5b53f87ceced3ce10 ETH
0x88f9b5a5a56822771d922214a38e4f9de76db2cc4f7b52cce806338adc6a4b18118200462023-07-11 9:36:00281 days 2 hrs ago 0x07d762943f2501c630ccdb82e3bd81db4ee45256 0xdb6eb989127d0c33bc630d7b5b53f87ceced3ce10 ETH
0x88f9b5a5a56822771d922214a38e4f9de76db2cc4f7b52cce806338adc6a4b18118200462023-07-11 9:36:00281 days 2 hrs ago 0x07d762943f2501c630ccdb82e3bd81db4ee45256 0x764a51f3c84158e70d228122c4ce2bc7a605dfdf0 ETH
0x80eee1e14e6b5c84bce56edc62c7defb2a71a9efb5b2465f823f51d58316c779118200432023-07-11 9:35:54281 days 2 hrs ago 0x07d762943f2501c630ccdb82e3bd81db4ee45256 0x00d23ce013094f7100b681426c046023d1c028580 ETH
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0x80eee1e14e6b5c84bce56edc62c7defb2a71a9efb5b2465f823f51d58316c779118200432023-07-11 9:35:54281 days 2 hrs ago 0x07d762943f2501c630ccdb82e3bd81db4ee45256 0xdb6eb989127d0c33bc630d7b5b53f87ceced3ce10 ETH
0x80eee1e14e6b5c84bce56edc62c7defb2a71a9efb5b2465f823f51d58316c779118200432023-07-11 9:35:54281 days 2 hrs ago 0x07d762943f2501c630ccdb82e3bd81db4ee45256 0xdb6eb989127d0c33bc630d7b5b53f87ceced3ce10 ETH
0x80eee1e14e6b5c84bce56edc62c7defb2a71a9efb5b2465f823f51d58316c779118200432023-07-11 9:35:54281 days 2 hrs ago 0x07d762943f2501c630ccdb82e3bd81db4ee45256 0x00d23ce013094f7100b681426c046023d1c028580 ETH
0x80eee1e14e6b5c84bce56edc62c7defb2a71a9efb5b2465f823f51d58316c779118200432023-07-11 9:35:54281 days 2 hrs ago 0x07d762943f2501c630ccdb82e3bd81db4ee45256 0xdb6eb989127d0c33bc630d7b5b53f87ceced3ce10 ETH
0x80eee1e14e6b5c84bce56edc62c7defb2a71a9efb5b2465f823f51d58316c779118200432023-07-11 9:35:54281 days 2 hrs ago 0x07d762943f2501c630ccdb82e3bd81db4ee45256 0xdb6eb989127d0c33bc630d7b5b53f87ceced3ce10 ETH
0x80eee1e14e6b5c84bce56edc62c7defb2a71a9efb5b2465f823f51d58316c779118200432023-07-11 9:35:54281 days 2 hrs ago 0x07d762943f2501c630ccdb82e3bd81db4ee45256 0xdb6eb989127d0c33bc630d7b5b53f87ceced3ce10 ETH
0x80eee1e14e6b5c84bce56edc62c7defb2a71a9efb5b2465f823f51d58316c779118200432023-07-11 9:35:54281 days 2 hrs ago 0x07d762943f2501c630ccdb82e3bd81db4ee45256 0x00d23ce013094f7100b681426c046023d1c028580 ETH
0x80eee1e14e6b5c84bce56edc62c7defb2a71a9efb5b2465f823f51d58316c779118200432023-07-11 9:35:54281 days 2 hrs ago 0x07d762943f2501c630ccdb82e3bd81db4ee45256 0xdb6eb989127d0c33bc630d7b5b53f87ceced3ce10 ETH
0x80eee1e14e6b5c84bce56edc62c7defb2a71a9efb5b2465f823f51d58316c779118200432023-07-11 9:35:54281 days 2 hrs ago 0x07d762943f2501c630ccdb82e3bd81db4ee45256 0xdb6eb989127d0c33bc630d7b5b53f87ceced3ce10 ETH
0x80eee1e14e6b5c84bce56edc62c7defb2a71a9efb5b2465f823f51d58316c779118200432023-07-11 9:35:54281 days 2 hrs ago 0x07d762943f2501c630ccdb82e3bd81db4ee45256 0xdb6eb989127d0c33bc630d7b5b53f87ceced3ce10 ETH
0x80eee1e14e6b5c84bce56edc62c7defb2a71a9efb5b2465f823f51d58316c779118200432023-07-11 9:35:54281 days 2 hrs ago 0x07d762943f2501c630ccdb82e3bd81db4ee45256 0x764a51f3c84158e70d228122c4ce2bc7a605dfdf0 ETH
0x6f0b0bddc8e54ba7af02fd507108e3418e14ee6775ee52315cdad55c24d7eda1118200392023-07-11 9:35:46281 days 2 hrs ago 0x07d762943f2501c630ccdb82e3bd81db4ee45256 0x00d23ce013094f7100b681426c046023d1c028580 ETH
0x6f0b0bddc8e54ba7af02fd507108e3418e14ee6775ee52315cdad55c24d7eda1118200392023-07-11 9:35:46281 days 2 hrs ago 0x07d762943f2501c630ccdb82e3bd81db4ee45256 0xdb6eb989127d0c33bc630d7b5b53f87ceced3ce10 ETH
0x6f0b0bddc8e54ba7af02fd507108e3418e14ee6775ee52315cdad55c24d7eda1118200392023-07-11 9:35:46281 days 2 hrs ago 0x07d762943f2501c630ccdb82e3bd81db4ee45256 0xdb6eb989127d0c33bc630d7b5b53f87ceced3ce10 ETH
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0xDB1fAFA1caf0b00e271EA2c438842904c84B794D
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
TransparentUpgradeableProxy

Compiler Version
v0.8.2+commit.661d1103

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 13 : import.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/proxy/beacon/BeaconProxy.sol";
import "@openzeppelin/contracts/proxy/beacon/UpgradeableBeacon.sol";
import "@openzeppelin/contracts/proxy/ERC1967/ERC1967Proxy.sol";
import "@openzeppelin/contracts/proxy/transparent/TransparentUpgradeableProxy.sol";
import "@openzeppelin/contracts/proxy/transparent/ProxyAdmin.sol";

// Kept for backwards compatibility with older versions of Hardhat and Truffle plugins.
contract AdminUpgradeabilityProxy is TransparentUpgradeableProxy {
    constructor(address logic, address admin, bytes memory data) payable TransparentUpgradeableProxy(logic, admin, data) {}
}

File 2 of 13 : BeaconProxy.sol
// SPDX-License-Identifier: MIT

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 a {UpgradeableBeacon}.
 *
 * The beacon address is stored in storage slot `uint256(keccak256('eip1967.proxy.beacon')) - 1`, so that it doesn't
 * conflict with the storage layout of the implementation behind the proxy.
 *
 * _Available since v3.4._
 */
contract BeaconProxy is Proxy, ERC1967Upgrade {
    /**
     * @dev Initializes the proxy with `beacon`.
     *
     * If `data` is nonempty, it's used as data in a delegate call to the implementation returned by the beacon. This
     * will typically be an encoded function call, and allows initializating the storage of the proxy like a Solidity
     * constructor.
     *
     * Requirements:
     *
     * - `beacon` must be a contract with the interface {IBeacon}.
     */
    constructor(address beacon, bytes memory data) payable {
        assert(_BEACON_SLOT == bytes32(uint256(keccak256("eip1967.proxy.beacon")) - 1));
        _upgradeBeaconToAndCall(beacon, data, false);
    }

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

    /**
     * @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 3 of 13 : UpgradeableBeacon.sol
// SPDX-License-Identifier: MIT

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 4 of 13 : ERC1967Proxy.sol
// SPDX-License-Identifier: MIT

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 initializating the storage of the proxy like a Solidity constructor.
     */
    constructor(address _logic, bytes memory _data) payable {
        assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
        _upgradeToAndCall(_logic, _data, false);
    }

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

File 5 of 13 : TransparentUpgradeableProxy.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

/**
 * @dev This contract implements a proxy that is upgradeable by an admin.
 *
 * To avoid https://medium.com/nomic-labs-blog/malicious-backdoors-in-ethereum-proxies-62629adf3357[proxy selector
 * clashing], which can potentially be used in an attack, this contract uses the
 * https://blog.openzeppelin.com/the-transparent-proxy-pattern/[transparent proxy pattern]. This pattern implies two
 * things that go hand in hand:
 *
 * 1. If any account other than the admin calls the proxy, the call will be forwarded to the implementation, even if
 * that call matches one of the admin functions exposed by the proxy itself.
 * 2. If the admin calls the proxy, it can access the admin functions, but its calls will never be forwarded to the
 * implementation. If the admin tries to call a function on the implementation it will fail with an error that says
 * "admin cannot fallback to proxy target".
 *
 * These properties mean that the admin account can only be used for admin actions like upgrading the proxy or changing
 * the admin, so it's best if it's a dedicated account that is not used for anything else. This will avoid headaches due
 * to sudden errors when trying to call a function from the proxy implementation.
 *
 * Our recommendation is for the dedicated account to be an instance of the {ProxyAdmin} contract. If set up this way,
 * you should think of the `ProxyAdmin` instance as the real administrative interface of your proxy.
 */
contract TransparentUpgradeableProxy is ERC1967Proxy {
    /**
     * @dev Initializes an upgradeable proxy managed by `_admin`, backed by the implementation at `_logic`, and
     * optionally initialized with `_data` as explained in {ERC1967Proxy-constructor}.
     */
    constructor(address _logic, address admin_, bytes memory _data) payable ERC1967Proxy(_logic, _data) {
        assert(_ADMIN_SLOT == bytes32(uint256(keccak256("eip1967.proxy.admin")) - 1));
        _changeAdmin(admin_);
    }

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

    /**
     * @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 {
        _changeAdmin(newAdmin);
    }

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

    /**
     * @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 ifAdmin {
        _upgradeToAndCall(newImplementation, data, true);
    }

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

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

File 6 of 13 : ProxyAdmin.sol
// SPDX-License-Identifier: MIT

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(TransparentUpgradeableProxy proxy) public view virtual returns (address) {
        // We need to manually run the static call since the getter cannot be flagged as view
        // bytes4(keccak256("implementation()")) == 0x5c60da1b
        (bool success, bytes memory returndata) = address(proxy).staticcall(hex"5c60da1b");
        require(success);
        return abi.decode(returndata, (address));
    }

    /**
     * @dev Returns the current admin of `proxy`.
     *
     * Requirements:
     *
     * - This contract must be the admin of `proxy`.
     */
    function getProxyAdmin(TransparentUpgradeableProxy proxy) public view virtual returns (address) {
        // We need to manually run the static call since the getter cannot be flagged as view
        // bytes4(keccak256("admin()")) == 0xf851a440
        (bool success, bytes memory returndata) = address(proxy).staticcall(hex"f851a440");
        require(success);
        return abi.decode(returndata, (address));
    }

    /**
     * @dev Changes the admin of `proxy` to `newAdmin`.
     *
     * Requirements:
     *
     * - This contract must be the current admin of `proxy`.
     */
    function changeProxyAdmin(TransparentUpgradeableProxy 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(TransparentUpgradeableProxy 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(TransparentUpgradeableProxy proxy, address implementation, bytes memory data) public payable virtual onlyOwner {
        proxy.upgradeToAndCall{value: msg.value}(implementation, data);
    }
}

File 7 of 13 : IBeacon.sol
// SPDX-License-Identifier: MIT

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 8 of 13 : Proxy.sol
// SPDX-License-Identifier: MIT

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 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 9 of 13 : ERC1967Upgrade.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.2;

import "../beacon/IBeacon.sol";
import "../../utils/Address.sol";
import "../../utils/StorageSlot.sol";

/**
 * @dev This abstract contract provides getters and event emitting update functions for
 * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.
 *
 * _Available since v4.1._
 *
 * @custom:oz-upgrades-unsafe-allow delegatecall
 */
abstract contract ERC1967Upgrade {
    // This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 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 Emitted when the implementation is upgraded.
     */
    event Upgraded(address indexed implementation);

    /**
     * @dev Returns the current implementation address.
     */
    function _getImplementation() internal view returns (address) {
        return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 implementation slot.
     */
    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 {
        _setImplementation(newImplementation);
        emit Upgraded(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 _upgradeToAndCallSecure(address newImplementation, bytes memory data, bool forceCall) internal {
        address oldImplementation = _getImplementation();

        // Initial upgrade and setup call
        _setImplementation(newImplementation);
        if (data.length > 0 || forceCall) {
            Address.functionDelegateCall(newImplementation, data);
        }

        // Perform rollback test if not already in progress
        StorageSlot.BooleanSlot storage rollbackTesting = StorageSlot.getBooleanSlot(_ROLLBACK_SLOT);
        if (!rollbackTesting.value) {
            // Trigger rollback using upgradeTo from the new implementation
            rollbackTesting.value = true;
            Address.functionDelegateCall(
                newImplementation,
                abi.encodeWithSignature(
                    "upgradeTo(address)",
                    oldImplementation
                )
            );
            rollbackTesting.value = false;
            // Check rollback was effective
            require(oldImplementation == _getImplementation(), "ERC1967Upgrade: upgrade breaks further upgrades");
            // Finally reset to the new implementation and log the upgrade
            _setImplementation(newImplementation);
            emit Upgraded(newImplementation);
        }
    }

    /**
     * @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);
        }
    }

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

    /**
     * @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 Emitted when the beacon is upgraded.
     */
    event BeaconUpgraded(address indexed beacon);

    /**
     * @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;
    }
}

File 10 of 13 : Address.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

        uint256 size;
        // solhint-disable-next-line no-inline-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);
            }
        }
    }
}

File 11 of 13 : StorageSlot.sol
// SPDX-License-Identifier: MIT

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) {
        assembly {
            r.slot := slot
        }
    }

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

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

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

File 12 of 13 : Ownable.sol
// SPDX-License-Identifier: MIT

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 () {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        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 {
        emit OwnershipTransferred(_owner, address(0));
        _owner = 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");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

File 13 of 13 : Context.sol
// SPDX-License-Identifier: MIT

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) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}

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"},{"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"}]

Deployed Bytecode

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