Contract 0x97faab98f1a9e5c803c43a6293759fcc7ed000b9 2

 

Contract Overview

RobotXEN: XEN Auto Minter
Balance:
1,352.919656466803106163 MATIC

MATIC Value:
$1,466.56 (@ $1.08/MATIC)

Token:
 
Txn Hash
Method
Block
From
To
Value [Txn Fee]
0x2cb724c4f3c9906579bf3854dc070da1b85c0bd24d37ba0691f127910e0dac14Claim387770622023-02-01 8:45:214 mins ago0x4e91876ef23a69fd35d9e6ba914ab0724b5c5777 IN RobotXEN: XEN Auto Minter0 MATIC0.27134132662
0x05d593ae814691036a4d3b2ecbeae04958a2826da23354c1d65a322220acdb73Transfer387769072023-02-01 8:39:5110 mins ago0xc135f1c6edd3d3305fffd3a0860e97e45420fa17 IN RobotXEN: XEN Auto Minter0.943190574220234 MATIC0.00269318272480.757525709
0x07cb5471afc9898c06c57d12d51ec60bfda37b7cd61b59ba53cc2bc472e6295fStop Mint Task387769032023-02-01 8:39:4310 mins ago0xb3d58a7fd9fb8057bfb0a2ed524c4aeece7dc988 IN RobotXEN: XEN Auto Minter0 MATIC0.00632078439 80.776797327
0xb149b6248a5a8cdd2659bb83ba402e3e28165d040055fd274651af1de6096ff5Transfer387768792023-02-01 8:38:5111 mins ago0xd0b6d92c52a70723725bc8a6bcb2a34847bd41e9 IN RobotXEN: XEN Auto Minter0.842955494782463 MATIC0.00281715639384.474988549
0x83e900843a29b23e6c0b2322bcef571c50ba6bcd5f5fb13cb5ef5c0f047f79d2Stop Mint Task387768762023-02-01 8:38:4511 mins ago0xa32c279a1236f6a44f3c12ad2e1d0983f6ec0d1a IN RobotXEN: XEN Auto Minter0 MATIC0.006610167853 84.474988549
0x3d050908bc50209a7b8bee369df3ed4d4ee91ae78820c67d1262fc9ab80465caClaim387762572023-02-01 8:16:5133 mins ago0x4e91876ef23a69fd35d9e6ba914ab0724b5c5777 IN RobotXEN: XEN Auto Minter0 MATIC0.27049316662
0xbab12d10ab5f2478df69fb3b5878c2f5c053736753b3c416523cc7ad35bde691Claim387762052023-02-01 8:14:5934 mins ago0x4e91876ef23a69fd35d9e6ba914ab0724b5c5777 IN RobotXEN: XEN Auto Minter0 MATIC0.27049316662
0x33eb63d9ebcc2588b654f87400cb3f5d4cd8ea749ce2f1877167a5e33ac9ba57Claim387761762023-02-01 8:13:5935 mins ago0x4e91876ef23a69fd35d9e6ba914ab0724b5c5777 IN RobotXEN: XEN Auto Minter0 MATIC0.27049316662
0x5681d26dfbeb6bd13034f92aa1d07774181f9d511943bcc7b432b30def60157cClaim387759712023-02-01 8:06:4343 mins ago0x4e91876ef23a69fd35d9e6ba914ab0724b5c5777 IN RobotXEN: XEN Auto Minter0 MATIC0.27049316662
0x41fedb85540a563c0c9df1d748e8d35c3f32939bbbc2a62cdead248650cee8e2Claim387757642023-02-01 7:59:2350 mins ago0x560384f25a9f58a79f34e38001096dd9b2d56f7c IN RobotXEN: XEN Auto Minter0 MATIC0.23995416555
0xbccaaae874b444b369441df24c8f3dbe838e9bc2385539feffc0c3e56cc79d2aClaim387757602023-02-01 7:59:1550 mins ago0x4e91876ef23a69fd35d9e6ba914ab0724b5c5777 IN RobotXEN: XEN Auto Minter0 MATIC0.27049316662
0xb34a282ffb62ba38a67b36f47df2bbcba3e707d824d562043a2c16202e16a7d1Claim387757192023-02-01 7:57:4752 mins ago0x4e91876ef23a69fd35d9e6ba914ab0724b5c5777 IN RobotXEN: XEN Auto Minter0 MATIC0.27049316662
0xf2242bf71f2bb88f46f80260e37086e96d742a5085ca5669f15dbf2122d3ed88Claim387756962023-02-01 7:56:5752 mins ago0x4e91876ef23a69fd35d9e6ba914ab0724b5c5777 IN RobotXEN: XEN Auto Minter0 MATIC0.27134132662
0xfcf1f9cdfaeae8096931138345104d3432a3d89e4f1c7d3a207cbce7cc7664ffClaim387754632023-02-01 7:48:411 hr 1 min ago0x560384f25a9f58a79f34e38001096dd9b2d56f7c IN RobotXEN: XEN Auto Minter0 MATIC0.23995416555
0x041a8ece1126fa877420ae8c6b94f56c0d22e297a6ce3ca0fe454cbd6228c35cClaim387754612023-02-01 7:48:371 hr 1 min ago0x4e91876ef23a69fd35d9e6ba914ab0724b5c5777 IN RobotXEN: XEN Auto Minter0 MATIC0.27049316662
0x6d9f057fa3546e6cccfeba25f725e8f6e2fa53729cabc41bfca5deb554baefbeClaim387754062023-02-01 7:46:391 hr 3 mins ago0x4e91876ef23a69fd35d9e6ba914ab0724b5c5777 IN RobotXEN: XEN Auto Minter0 MATIC0.27049316662
0xa5e05a24a00027b2a194b7c813b0cf54eb3ec3920fdc511833dbf4d0fd5f8bd6Claim387753822023-02-01 7:45:471 hr 4 mins ago0x4e91876ef23a69fd35d9e6ba914ab0724b5c5777 IN RobotXEN: XEN Auto Minter0 MATIC0.27049316662
0xc97782fd8b970ef4ebef9b0d2defed45307ad632a2a8daf10d540bf39dc94f52Claim387751812023-02-01 7:38:391 hr 11 mins ago0x4e91876ef23a69fd35d9e6ba914ab0724b5c5777 IN RobotXEN: XEN Auto Minter0 MATIC0.27049316662
0x341482ec048f3d305a4c0901d64e8943c562c9b1074ce2aeb5da0a685112f280Claim387751702023-02-01 7:38:171 hr 11 mins ago0x560384f25a9f58a79f34e38001096dd9b2d56f7c IN RobotXEN: XEN Auto Minter0 MATIC0.23995416555
0x4a1988df1cc1e41ac83043ebc5771181f44c91519f4954c1e07488e607f724ebClaim387751702023-02-01 7:38:171 hr 11 mins ago0x4e91876ef23a69fd35d9e6ba914ab0724b5c5777 IN RobotXEN: XEN Auto Minter0 MATIC0.26697547366461.19370634
0x23d73bb5ae2dd73e8465fed59849cb5627a3dbad35df2c9a7150e7ae79696148Claim387751312023-02-01 7:36:531 hr 13 mins ago0x4e91876ef23a69fd35d9e6ba914ab0724b5c5777 IN RobotXEN: XEN Auto Minter0 MATIC0.27027262909961.949450524
0x87865840a33b0b9cb8e0356ee18419e1c50cbe8b1407193cea3d163d11c23919Claim387751172023-02-01 7:36:231 hr 13 mins ago0x4e91876ef23a69fd35d9e6ba914ab0724b5c5777 IN RobotXEN: XEN Auto Minter0 MATIC0.27049316662
0x2feca2a104aa108127541b2dd6a182dc80f79ef72336bb7fecea7cf398a90d7aClaim387751022023-02-01 7:35:511 hr 14 mins ago0x4e91876ef23a69fd35d9e6ba914ab0724b5c5777 IN RobotXEN: XEN Auto Minter0 MATIC0.27049316662
0x075460c5709467f82b7e8570fe256d19becdad184dc04497d3e0aa565305ed21Claim387749752023-02-01 7:31:211 hr 18 mins ago0x4e91876ef23a69fd35d9e6ba914ab0724b5c5777 IN RobotXEN: XEN Auto Minter0 MATIC0.27049316662
0xe054b414af3d57c9d9410fa718e17cb64526c3ad8aaa987d89af925cac07068dClaim387749612023-02-01 7:30:531 hr 19 mins ago0x4e91876ef23a69fd35d9e6ba914ab0724b5c5777 IN RobotXEN: XEN Auto Minter0 MATIC0.27049316662
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Latest 25 internal transaction
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0x2cb724c4f3c9906579bf3854dc070da1b85c0bd24d37ba0691f127910e0dac14387770622023-02-01 8:45:214 mins ago RobotXEN: XEN Auto Minter0x4e91876ef23a69fd35d9e6ba914ab0724b5c57770.2728 MATIC
0x07cb5471afc9898c06c57d12d51ec60bfda37b7cd61b59ba53cc2bc472e6295f387769032023-02-01 8:39:4310 mins ago RobotXEN: XEN Auto Minter0xb3d58a7fd9fb8057bfb0a2ed524c4aeece7dc988280.18967936810782 MATIC
0x83e900843a29b23e6c0b2322bcef571c50ba6bcd5f5fb13cb5ef5c0f047f79d2387768762023-02-01 8:38:4511 mins ago RobotXEN: XEN Auto Minter0xa32c279a1236f6a44f3c12ad2e1d0983f6ec0d1a391.4037813665 MATIC
0x3d050908bc50209a7b8bee369df3ed4d4ee91ae78820c67d1262fc9ab80465ca387762572023-02-01 8:16:5133 mins ago RobotXEN: XEN Auto Minter0x4e91876ef23a69fd35d9e6ba914ab0724b5c57770.2728 MATIC
0xbab12d10ab5f2478df69fb3b5878c2f5c053736753b3c416523cc7ad35bde691387762052023-02-01 8:14:5934 mins ago RobotXEN: XEN Auto Minter0x4e91876ef23a69fd35d9e6ba914ab0724b5c57770.2728 MATIC
0x33eb63d9ebcc2588b654f87400cb3f5d4cd8ea749ce2f1877167a5e33ac9ba57387761762023-02-01 8:13:5935 mins ago RobotXEN: XEN Auto Minter0x4e91876ef23a69fd35d9e6ba914ab0724b5c57770.2728 MATIC
0x5681d26dfbeb6bd13034f92aa1d07774181f9d511943bcc7b432b30def60157c387759712023-02-01 8:06:4343 mins ago RobotXEN: XEN Auto Minter0x4e91876ef23a69fd35d9e6ba914ab0724b5c57770.2728 MATIC
0x41fedb85540a563c0c9df1d748e8d35c3f32939bbbc2a62cdead248650cee8e2387757642023-02-01 7:59:2350 mins ago RobotXEN: XEN Auto Minter0x560384f25a9f58a79f34e38001096dd9b2d56f7c0.242 MATIC
0xbccaaae874b444b369441df24c8f3dbe838e9bc2385539feffc0c3e56cc79d2a387757602023-02-01 7:59:1550 mins ago RobotXEN: XEN Auto Minter0x4e91876ef23a69fd35d9e6ba914ab0724b5c57770.2728 MATIC
0xb34a282ffb62ba38a67b36f47df2bbcba3e707d824d562043a2c16202e16a7d1387757192023-02-01 7:57:4752 mins ago RobotXEN: XEN Auto Minter0x4e91876ef23a69fd35d9e6ba914ab0724b5c57770.2728 MATIC
0xf2242bf71f2bb88f46f80260e37086e96d742a5085ca5669f15dbf2122d3ed88387756962023-02-01 7:56:5752 mins ago RobotXEN: XEN Auto Minter0x4e91876ef23a69fd35d9e6ba914ab0724b5c57770.2728 MATIC
0xfcf1f9cdfaeae8096931138345104d3432a3d89e4f1c7d3a207cbce7cc7664ff387754632023-02-01 7:48:411 hr 1 min ago RobotXEN: XEN Auto Minter0x560384f25a9f58a79f34e38001096dd9b2d56f7c0.242 MATIC
0x041a8ece1126fa877420ae8c6b94f56c0d22e297a6ce3ca0fe454cbd6228c35c387754612023-02-01 7:48:371 hr 1 min ago RobotXEN: XEN Auto Minter0x4e91876ef23a69fd35d9e6ba914ab0724b5c57770.2728 MATIC
0x6d9f057fa3546e6cccfeba25f725e8f6e2fa53729cabc41bfca5deb554baefbe387754062023-02-01 7:46:391 hr 3 mins ago RobotXEN: XEN Auto Minter0x4e91876ef23a69fd35d9e6ba914ab0724b5c57770.2728 MATIC
0xa5e05a24a00027b2a194b7c813b0cf54eb3ec3920fdc511833dbf4d0fd5f8bd6387753822023-02-01 7:45:471 hr 4 mins ago RobotXEN: XEN Auto Minter0x4e91876ef23a69fd35d9e6ba914ab0724b5c57770.2728 MATIC
0xc97782fd8b970ef4ebef9b0d2defed45307ad632a2a8daf10d540bf39dc94f52387751812023-02-01 7:38:391 hr 11 mins ago RobotXEN: XEN Auto Minter0x4e91876ef23a69fd35d9e6ba914ab0724b5c57770.2728 MATIC
0x341482ec048f3d305a4c0901d64e8943c562c9b1074ce2aeb5da0a685112f280387751702023-02-01 7:38:171 hr 11 mins ago RobotXEN: XEN Auto Minter0x560384f25a9f58a79f34e38001096dd9b2d56f7c0.242 MATIC
0x4a1988df1cc1e41ac83043ebc5771181f44c91519f4954c1e07488e607f724eb387751702023-02-01 7:38:171 hr 11 mins ago RobotXEN: XEN Auto Minter0x4e91876ef23a69fd35d9e6ba914ab0724b5c57770.269252307896 MATIC
0x23d73bb5ae2dd73e8465fed59849cb5627a3dbad35df2c9a7150e7ae79696148387751312023-02-01 7:36:531 hr 13 mins ago RobotXEN: XEN Auto Minter0x4e91876ef23a69fd35d9e6ba914ab0724b5c57770.2725775823056 MATIC
0x87865840a33b0b9cb8e0356ee18419e1c50cbe8b1407193cea3d163d11c23919387751172023-02-01 7:36:231 hr 13 mins ago RobotXEN: XEN Auto Minter0x4e91876ef23a69fd35d9e6ba914ab0724b5c57770.2728 MATIC
0x2feca2a104aa108127541b2dd6a182dc80f79ef72336bb7fecea7cf398a90d7a387751022023-02-01 7:35:511 hr 14 mins ago RobotXEN: XEN Auto Minter0x4e91876ef23a69fd35d9e6ba914ab0724b5c57770.2728 MATIC
0x075460c5709467f82b7e8570fe256d19becdad184dc04497d3e0aa565305ed21387749752023-02-01 7:31:211 hr 18 mins ago RobotXEN: XEN Auto Minter0x4e91876ef23a69fd35d9e6ba914ab0724b5c57770.2728 MATIC
0xe054b414af3d57c9d9410fa718e17cb64526c3ad8aaa987d89af925cac07068d387749612023-02-01 7:30:531 hr 19 mins ago RobotXEN: XEN Auto Minter0x4e91876ef23a69fd35d9e6ba914ab0724b5c57770.2728 MATIC
0x1ff85fbe681aab57024eb11784ddf6a9676bad2322b5d18741f637665ee03fde387749242023-02-01 7:29:331 hr 20 mins ago RobotXEN: XEN Auto Minter0x4e91876ef23a69fd35d9e6ba914ab0724b5c57770.2728 MATIC
0x7b881a0c5e3a7ab30e97e8ba9933c4ceb00da39dda0d1e12710bb829a50d9436387749002023-02-01 7:28:411 hr 21 mins ago RobotXEN: XEN Auto Minter0x4e91876ef23a69fd35d9e6ba914ab0724b5c57770.2708740426348 MATIC
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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, MIT license

Contract Source Code (Solidity)

/**
 *Submitted for verification at polygonscan.com on 2022-11-24
*/

// Sources flattened with hardhat v2.12.2 https://hardhat.org

// File @openzeppelin/contracts/proxy/[email protected]

// 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 @openzeppelin/contracts/proxy/beacon/[email protected]

// 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 @openzeppelin/contracts/utils/[email protected]

// 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
        }
    }
}

// File @openzeppelin/contracts/interfaces/[email protected]

// 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 @openzeppelin/contracts/utils/[email protected]

// OpenZeppelin Contracts (last updated v4.7.0) (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 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");

        (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");

        (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");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason 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 {
            // 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 @openzeppelin/contracts/proxy/ERC1967/[email protected]

// OpenZeppelin Contracts (last updated v4.5.0) (proxy/ERC1967/ERC1967Upgrade.sol)

pragma solidity ^0.8.2;

/**
 * @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 {
        _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 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;
    }

    /**
     * @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 @openzeppelin/contracts/proxy/ERC1967/[email protected]

// OpenZeppelin Contracts (last updated v4.7.0) (proxy/ERC1967/ERC1967Proxy.sol)

pragma solidity ^0.8.0;

/**
 * @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 unuse/TransparentUpgradeableProxy.sol

// OpenZeppelin Contracts (last updated v4.7.0) (proxy/transparent/TransparentUpgradeableProxy.sol)

pragma solidity ^0.8.0;

/**
 * @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) {
        _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();
    }
}

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":"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"}]

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

000000000000000000000000198cf9256a50646aa6d29308f25ef648dbe416eb000000000000000000000000adc81ec9b2bd8e9d9e2b948d1a97435eebdcc95f00000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000024c4d66de80000000000000000000000008277af4190dc617f46cf91054485688b142a5ed200000000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : _logic (address): 0x198cf9256a50646aa6d29308f25ef648dbe416eb
Arg [1] : admin_ (address): 0xadc81ec9b2bd8e9d9e2b948d1a97435eebdcc95f
Arg [2] : _data (bytes): 0xc4d66de80000000000000000000000008277af4190dc617f46cf91054485688b142a5ed2

-----Encoded View---------------
6 Constructor Arguments found :
Arg [0] : 000000000000000000000000198cf9256a50646aa6d29308f25ef648dbe416eb
Arg [1] : 000000000000000000000000adc81ec9b2bd8e9d9e2b948d1a97435eebdcc95f
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000024
Arg [4] : c4d66de80000000000000000000000008277af4190dc617f46cf91054485688b
Arg [5] : 142a5ed200000000000000000000000000000000000000000000000000000000


Deployed ByteCode Sourcemap

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Swarm Source

ipfs://cfb0cf0bbe115abbb9bf3be4bc00d10d9ef33dfafdf3dbe5eb87a81104ff498d
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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