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0x938FCFEfe64cDaefa947d5E73Ae53dd3eb6b8D17
 

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Mint Base173005682023-05-20 12:13:111040 days ago1684584791IN
X SOLDIERS ART: XSA Token
0 ETH0.0056391434.72911962
Mint Base172221092023-05-09 9:49:351051 days ago1683625775IN
X SOLDIERS ART: XSA Token
0 ETH0.0098540654.90491979
Mint Base165695002023-02-06 11:38:471143 days ago1675683527IN
X SOLDIERS ART: XSA Token
0 ETH0.0031643817.63136857
Mint Base164118472023-01-15 11:16:351165 days ago1673781395IN
X SOLDIERS ART: XSA Token
0 ETH0.002669314.87284508
Mint Base164100672023-01-15 5:18:111165 days ago1673759891IN
X SOLDIERS ART: XSA Token
0 ETH0.0025862216.17653129
Safe Transfer Fr...163724552023-01-09 23:15:231170 days ago1673306123IN
X SOLDIERS ART: XSA Token
0 ETH0.0021468630.69715119
Mint Base162537582022-12-24 9:40:111187 days ago1671874811IN
X SOLDIERS ART: XSA Token
0 ETH0.0020227511.27040697
Mint Base161546982022-12-10 13:47:231201 days ago1670680043IN
X SOLDIERS ART: XSA Token
0 ETH0.0029263816.3052718
Mint Base160832692022-11-30 14:02:111211 days ago1669816931IN
X SOLDIERS ART: XSA Token
0 ETH0.0021147111.78275982
Set Approval For...160089582022-11-20 4:51:471221 days ago1668919907IN
X SOLDIERS ART: XSA Token
0 ETH0.0005791611.34445404
Set Approval For...160082462022-11-20 2:28:471221 days ago1668911327IN
X SOLDIERS ART: XSA Token
0 ETH0.0006312812.36537656
Mint Base160040022022-11-19 12:16:351222 days ago1668860195IN
X SOLDIERS ART: XSA Token
0 ETH0.0022610212.59802027
Safe Transfer Fr...159657692022-11-14 4:04:471227 days ago1668398687IN
X SOLDIERS ART: XSA Token
0 ETH0.0009922113.28750004
Mint Base159653072022-11-14 2:31:591227 days ago1668393119IN
X SOLDIERS ART: XSA Token
0 ETH0.0024270615.18101919
Safe Transfer Fr...159457572022-11-11 9:02:471230 days ago1668157367IN
X SOLDIERS ART: XSA Token
0 ETH0.0012063116.15458449
Safe Transfer Fr...159457172022-11-11 8:54:471230 days ago1668156887IN
X SOLDIERS ART: XSA Token
0 ETH0.0010686114.31064033
Mint Base159185822022-11-07 13:55:471234 days ago1667829347IN
X SOLDIERS ART: XSA Token
0 ETH0.0044585827.8879648
Set Token URI159185332022-11-07 13:45:591234 days ago1667828759IN
X SOLDIERS ART: XSA Token
0 ETH0.0019425842.92541947
Set Royalties159184492022-11-07 13:28:591234 days ago1667827739IN
X SOLDIERS ART: XSA Token
0 ETH0.0010785723.56505584
Mint Base159182522022-11-07 12:49:351234 days ago1667825375IN
X SOLDIERS ART: XSA Token
0 ETH0.0020170212.61623987
Mint Base159182312022-11-07 12:45:231234 days ago1667825123IN
X SOLDIERS ART: XSA Token
0 ETH0.0023283714.56372353
Mint Base159181762022-11-07 12:34:111234 days ago1667824451IN
X SOLDIERS ART: XSA Token
0 ETH0.0032953915.40085106
Set Royalties159181242022-11-07 12:23:471234 days ago1667823827IN
X SOLDIERS ART: XSA Token
0 ETH0.0020951117.09319315

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Mint Base173005682023-05-20 12:13:111040 days ago1684584791
X SOLDIERS ART: XSA Token
0 ETH
Mint Base172221092023-05-09 9:49:351051 days ago1683625775
X SOLDIERS ART: XSA Token
0 ETH
Mint Base165695002023-02-06 11:38:471143 days ago1675683527
X SOLDIERS ART: XSA Token
0 ETH
Mint Base164118472023-01-15 11:16:351165 days ago1673781395
X SOLDIERS ART: XSA Token
0 ETH
Mint Base164100672023-01-15 5:18:111165 days ago1673759891
X SOLDIERS ART: XSA Token
0 ETH
Safe Transfer Fr...163724552023-01-09 23:15:231170 days ago1673306123
X SOLDIERS ART: XSA Token
0 ETH
Mint Base162537582022-12-24 9:40:111187 days ago1671874811
X SOLDIERS ART: XSA Token
0 ETH
Mint Base161546982022-12-10 13:47:231201 days ago1670680043
X SOLDIERS ART: XSA Token
0 ETH
Mint Base160832692022-11-30 14:02:111211 days ago1669816931
X SOLDIERS ART: XSA Token
0 ETH
Set Approval For...160089582022-11-20 4:51:471221 days ago1668919907
X SOLDIERS ART: XSA Token
0 ETH
Set Approval For...160082462022-11-20 2:28:471221 days ago1668911327
X SOLDIERS ART: XSA Token
0 ETH
Mint Base160040022022-11-19 12:16:351222 days ago1668860195
X SOLDIERS ART: XSA Token
0 ETH
Safe Transfer Fr...159657692022-11-14 4:04:471227 days ago1668398687
X SOLDIERS ART: XSA Token
0 ETH
Mint Base159653072022-11-14 2:31:591227 days ago1668393119
X SOLDIERS ART: XSA Token
0 ETH
Safe Transfer Fr...159457572022-11-11 9:02:471230 days ago1668157367
X SOLDIERS ART: XSA Token
0 ETH
Safe Transfer Fr...159457172022-11-11 8:54:471230 days ago1668156887
X SOLDIERS ART: XSA Token
0 ETH
Mint Base159185822022-11-07 13:55:471234 days ago1667829347
X SOLDIERS ART: XSA Token
0 ETH
Set Token URI159185332022-11-07 13:45:591234 days ago1667828759
X SOLDIERS ART: XSA Token
0 ETH
Set Royalties159184492022-11-07 13:28:591234 days ago1667827739
X SOLDIERS ART: XSA Token
0 ETH
Mint Base159182522022-11-07 12:49:351234 days ago1667825375
X SOLDIERS ART: XSA Token
0 ETH
Mint Base159182312022-11-07 12:45:231234 days ago1667825123
X SOLDIERS ART: XSA Token
0 ETH
Mint Base159181762022-11-07 12:34:111234 days ago1667824451
X SOLDIERS ART: XSA Token
0 ETH
Set Royalties159181242022-11-07 12:23:471234 days ago1667823827
X SOLDIERS ART: XSA Token
0 ETH
Initialize159180902022-11-07 12:16:591234 days ago1667823419
X SOLDIERS ART: XSA Token
0 ETH
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Contract Source Code Verified (Exact Match)

Contract Name:
XSA

Compiler Version
v0.8.7+commit.e28d00a7

Optimization Enabled:
Yes with 300 runs

Other Settings:
default evmVersion
File 1 of 5 : XSA.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/// @title: X SOLDIERS ART
/// @author: manifold.xyz

import "./ERC721Creator.sol";

////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//                                                                                                            //
//                                                                                                            //
//    MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM    //
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//    MMMMMMMMMMMMMMMMMMx                     ,MMMMMMMMMMMMMMMMMMMMMMMMMM#^                  .MMMMMMMMMMMM    //
//    MMMMMMMMMMMMMMMMMMMk.                     TMMMMMMMMMMMMMMMMMMMMMMM$                  .dMMMMMMMMMMMMM    //
//    MMMMMMMMMMMMMMMMMMMMN,                     JMMMMMMMMMMMMMMMMMMMMM'                  .MMMMMMMMMMMMMMM    //
//    MMMMMMMMMMMMMMMMMMMMMMe                     .HMMMMMMMMMMMMMMMMMD        .gggggggggggMMMMMMMMMMMMMMMM    //
//    MMMMMMMMMMMMMMMMMMMMMMMh.                     TMMMMMMMMMMMMMMM3        (M""""""""YMMMMMMMMMMMMMMMMMM    //
//    MMMMMMMMMMMMMMMMMMMMMMMMN,                     (MMMMMMMMMMMM#!       .MD        .MMMMMMMMMMMMMMMMMMM    //
//    MMMMMMMMMMMMMMMMMMMMMMMMMMp                      WMMMMMMMMMF        .M3        (MMMMMMMMMMMMMMMMMMMM    //
//    MMMMMMMMMMMMMMMMMMMMMMMMMMMN.                     7MMMMMMM^        J#!       .MMMMMMMMMMMMMMMMMMMMMM    //
//    MMMMMMMMMMMMMMMMMMMMMMMMMMMMM,                     ,MMMM#`       .MF        .MMMMMMMMMMMMMMMMMMMMMMM    //
//    MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMb                     .MMD        .M^        JMMMMMMMMMMMMMMMMMMMMMMMM    //
//    MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMN,                  (MM^       .d#`       .MMMMMMMMMMMMMMMMMMMMMMMMMM    //
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//    MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMm             .MM"        .M^       .dMMMMMMMMMMMMMMMMMMMMMMMMMMMM    //
//    MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMN,          JMM'       .d@        .MMMMMMMMMMMMMMMMMMMMMMMMMMMMMM    //
//    MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMe       .MMD        .M"        .MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM    //
//    MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMh.   `.MMNggggggggkM'       .dMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM    //
//    MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMN  .dM#"""""""""""        .MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM    //
//    MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM#` .MMF                   (MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM    //
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//    MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM@  .MMD                   J#!     WMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM    //
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//    MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM' .MM@`                  .M=          ,MMMMMMMMMMMMMMMMMMMMMMMMMMMMM    //
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//    MMMMMMMMMMMMMMMMMMMMMMMMMMM#! .MM@                   .M^                  .MMMMMMMMMMMMMMMMMMMMMMMMM    //
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//    MMMMMMMMMMMMMMMMMMMMM^ .dM#`                  .MMMMMMMMMMMN,                     ,MMMMMMMMMMMMMMMMMM    //
//    MMMMMMMMMMMMMMMMMMM@` .MMF                   JMMMMMMMMMMMMMMp                      WMMMMMMMMMMMMMMMM    //
//    MMMMMMMMMMMMMMMMMMD  .MM^                  .MMMMMMMMMMMMMMMMMN.                     ?MMMMMMMMMMMMMMM    //
//    MMMMMMMMMMMMMMMMM^ .MMB`                  .MMMMMMMMMMMMMMMMMMMM,                     ,MMMMMMMMMMMMMM    //
//    MMMMMMMMMMMMMMM@  .MMD                  .JMMMMMMMMMMMMMMMMMMMMMMm                      UMMMMMMMMMMMM    //
//    MMMMMMMMMMMMMMNNNMMMNNNNNNNNNNNNNNNNNNNNMMMMMMMMMMMMMMMMMMMMMMMMMNNNNNNNNNNNNNNNNNNNNNNNMMMMMMMMMMMM    //
//    MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM    //
//    MMMMMMMMMMMMMMH"""""""WMM"""""""MMMMM#""WMMMMM#"""HMMMMMMM""""HMMH"""""""WMMH""""""HMMMM#""""""WMMMM    //
//    MMMMMMMMMMMMM^  ......MF  .....  .MMD  .MMMMM=  .  ?MMMMM#   .MM'  ......MM^  ....   dMD  .......MMM    //
//    MMMMMMMMMMM@   (MMMMMM=  .MMM3  .MM^  .MMMM#`  .Mp  ,MMMD   JMD   JMMMMMM@   (MM@   (M^  .MMMMMMMMMM    //
//    MMMMMMMMMMN.  ?777WM#`  .MM#`  .M@   JMMMMD  .dMMD  .dMt  .MMt   ?771MMM"   ?77^  .MM,  .777TMMMMMMM    //
//    MMMMMMMMMMMMN#'  .MF  .dMMF  .dM$  .MMMMM^  .MMM^  .M#!  .M#!  .NNNNMMM'  .N\  .gNMMMMMN%  .dMMMMMMM    //
//    MMMMMMMMMMMMB`  .M^  .MMM^  .MH'  .MMMM@   (MM@`  -MF  .dMF  .dMMMMMMD   JM'  .MMMMMMMM^  .MMMMMMMMM    //
//    MMMD          .MM]          MM[     .dD         .MM3  .MM3        .Mt  .MM]  .MF         .MMMMMMMMMM    //
//    MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM    //
//    MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM    //
//                                                                                                            //
//                                                                                                            //
////////////////////////////////////////////////////////////////////////////////////////////////////////////////


contract XSA is ERC721Creator {
    constructor() ERC721Creator("X SOLDIERS ART", "XSA") {}
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/// @author: manifold.xyz

import "@openzeppelin/contracts/proxy/Proxy.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "@openzeppelin/contracts/utils/StorageSlot.sol";

contract ERC721Creator is Proxy {
    
    constructor(string memory name, string memory symbol) {
        assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
        StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = 0xe4E4003afE3765Aca8149a82fc064C0b125B9e5a;
        Address.functionDelegateCall(
            0xe4E4003afE3765Aca8149a82fc064C0b125B9e5a,
            abi.encodeWithSignature("initialize(string,string)", name, symbol)
        );
    }
        
    /**
     * @dev Storage slot with the address of the current implementation.
     * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
     * validated in the constructor.
     */
    bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    /**
     * @dev Returns the current implementation address.
     */
     function implementation() public view returns (address) {
        return _implementation();
    }

    function _implementation() internal override view returns (address) {
        return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
    }    

}

// 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 {}
}

// SPDX-License-Identifier: MIT
// 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);
            }
        }
    }
}

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

pragma solidity ^0.8.0;

/**
 * @dev Library for reading and writing primitive types to specific storage slots.
 *
 * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
 * This library helps with reading and writing to such slots without the need for inline assembly.
 *
 * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
 *
 * Example usage to set ERC1967 implementation slot:
 * ```
 * contract ERC1967 {
 *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
 *
 *     function _getImplementation() internal view returns (address) {
 *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
 *     }
 *
 *     function _setImplementation(address newImplementation) internal {
 *         require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
 *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
 *     }
 * }
 * ```
 *
 * _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._
 */
library StorageSlot {
    struct AddressSlot {
        address value;
    }

    struct BooleanSlot {
        bool value;
    }

    struct Bytes32Slot {
        bytes32 value;
    }

    struct Uint256Slot {
        uint256 value;
    }

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

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

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

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

Settings
{
  "remappings": [
    "@openzeppelin/=node_modules/@openzeppelin/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 300
  },
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "london",
  "libraries": {}
}

Contract Security Audit

Contract ABI

API
[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]

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Deployed Bytecode

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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.