// File: contracts/OLOL1.sol




// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/// @title: Oneloveonelink1
/// @author: manifold.xyz

import "./ERC721Creator.sol";

/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//                                                                                                                                                                                 //
//                                                                                                                                                                                 //
//                                                                                                                                                                                 //
//                                                                                                                                                                                 //
//                                                                                                                                                                                 //
//                               ___                                                                                    ____                                                       //
//                             ,--.'|_                                              ,---,                             ,'  , `.                                                     //
//          ,---,              |  | :,'          ,--,  __  ,-.                    ,---.'|                          ,-+-,.' _ |   ,---.        ,---,      ,---,                     //
//      ,-+-. /  |             :  : ' :        ,'_ /|,' ,'/ /|                    |   | :                       ,-+-. ;   , ||  '   ,'\   ,-+-. /  | ,-+-. /  |                    //
//     ,--.'|'   |  ,--.--.  .;__,'  /    .--. |  | :'  | |' | ,---.              |   | |   ,--.--.     ,---.  ,--.'|'   |  || /   /   | ,--.'|'   |,--.'|'   |                    //
//    |   |  ,"' | /       \ |  |   |   ,'_ /| :  . ||  |   ,'/     \           ,--.__| |  /       \   /     \|   |  ,', |  |,.   ; ,. :|   |  ,"' |   |  ,"' |                    //
//    |   | /  | |.--.  .-. |:__,'| :   |  ' | |  . .'  :  / /    /  |         /   ,'   | .--.  .-. | /    /  |   | /  | |--' '   | |: :|   | /  | |   | /  | |                    //
//    |   | |  | | \__\/: . .  '  : |__ |  | ' |  | ||  | ' .    ' / |        .   '  /  |  \__\/: . ..    ' / |   : |  | ,    '   | .; :|   | |  | |   | |  | |                    //
//    |   | |  |/  ," .--.; |  |  | '.'|:  | : ;  ; |;  : | '   ;   /|        '   ; |:  |  ," .--.; |'   ;   /|   : |  |/     |   :    ||   | |  |/|   | |  |/                     //
//    |   | |--'  /  /  ,.  |  ;  :    ;'  :  `--'   \  , ; '   |  / |        |   | '/  ' /  /  ,.  |'   |  / |   | |`-'       \   \  / |   | |--' |   | |--'                      //
//    |   |/     ;  :   .'   \ |  ,   / :  ,      .-./---'  |   :    |        |   :    :|;  :   .'   \   :    |   ;/            `----'  |   |/     |   |/                          //
//    '---'      |  ,     .-./  ---`-'   `--`----'           \   \  /          \   \  /  |  ,     .-./\   \  /'---'                     '---'      '---'                           //
//                `--`---'              ,--,                  `----'            `----'    `--`---'     `----',--,                              ,-.                                 //
//                                    ,--.'|                                                               ,--.'|     ,--,                 ,--/ /|                                 //
//       ,---.        ,---,           |  | :     ,---.                        ,---.        ,---,           |  | :   ,--.'|         ,---, ,--. :/ |                                 //
//      '   ,'\   ,-+-. /  |          :  : '    '   ,'\      .---.           '   ,'\   ,-+-. /  |          :  : '   |  |,      ,-+-. /  |:  : ' /                                  //
//     /   /   | ,--.'|'   |   ,---.  |  ' |   /   /   |   /.  ./|  ,---.   /   /   | ,--.'|'   |   ,---.  |  ' |   `--'_     ,--.'|'   ||  '  /                                   //
//    .   ; ,. :|   |  ,"' |  /     \ '  | |  .   ; ,. : .-' . ' | /     \ .   ; ,. :|   |  ,"' |  /     \ '  | |   ,' ,'|   |   |  ,"' |'  |  :                                   //
//    '   | |: :|   | /  | | /    /  ||  | :  '   | |: :/___/ \: |/    /  |'   | |: :|   | /  | | /    /  ||  | :   '  | |   |   | /  | ||  |   \                                  //
//    '   | .; :|   | |  | |.    ' / |'  : |__'   | .; :.   \  ' .    ' / |'   | .; :|   | |  | |.    ' / |'  : |__ |  | :   |   | |  | |'  : |. \                                 //
//    |   :    ||   | |  |/ '   ;   /||  | '.'|   :    | \   \   '   ;   /||   :    ||   | |  |/ '   ;   /||  | '.'|'  : |__ |   | |  |/ |  | ' \ \                                //
//     \   \  / |   | |--'  '   |  / |;  :    ;\   \  /   \   \  '   |  / | \   \  / |   | |--'  '   |  / |;  :    ;|  | '.'||   | |--'  '  : |--'                                 //
//      `----'  |   |/      |   :    ||  ,   /  `----'     \   \ |   :    |  `----'  |   |/      |   :    ||  ,   / ;  :    ;|   |/      ;  |,'                                    //
//              '---'        \   \  /  ---`-'               '---" \   \  /           '---'        \   \  /  ---`-'  |  ,   / '---'       '--'                                      //
//                            `----'                               `----'                          `----'            ---`-'                                                        //
//         ,---,  ,--,                                                                 ,--,                              ,-.                                                       //
//      ,`--.' |,--.'|                                                               ,--.'|     ,--,                 ,--/ /|                                                       //
//     /    /  :|  | :     ,---.                        ,---.        ,---,           |  | :   ,--.'|         ,---, ,--. :/ |                                                       //
//    :    |.' ':  : '    '   ,'\      .---.           '   ,'\   ,-+-. /  |          :  : '   |  |,      ,-+-. /  |:  : ' /                                                        //
//    `----':  ||  ' |   /   /   |   /.  ./|  ,---.   /   /   | ,--.'|'   |   ,---.  |  ' |   `--'_     ,--.'|'   ||  '  /                                                         //
//       '   ' ;'  | |  .   ; ,. : .-' . ' | /     \ .   ; ,. :|   |  ,"' |  /     \ '  | |   ,' ,'|   |   |  ,"' |'  |  :                                                         //
//       |   | ||  | :  '   | |: :/___/ \: |/    /  |'   | |: :|   | /  | | /    /  ||  | :   '  | |   |   | /  | ||  |   \                                                        //
//       '   : ;'  : |__'   | .; :.   \  ' .    ' / |'   | .; :|   | |  | |.    ' / |'  : |__ |  | :   |   | |  | |'  : |. \                                                       //
//       |   | '|  | '.'|   :    | \   \   '   ;   /||   :    ||   | |  |/ '   ;   /||  | '.'|'  : |__ |   | |  |/ |  | ' \ \                                                      //
//       '   : |;  :    ;\   \  /   \   \  '   |  / | \   \  / |   | |--'  '   |  / |;  :    ;|  | '.'||   | |--'  '  : |--'                                                       //
//       ;   |.'|  ,   /  `----'     \   \ |   :    |  `----'  |   |/      |   :    ||  ,   / ;  :    ;|   |/      ;  |,'                                                          //
//       '---'   ---`-'               '---" \   \  /           '---'        \   \  /  ---`-'  |  ,   / '---'       '--'                                                            //
//                                           `----'                          `----'            ---`-'                                                                              //
//                                           ___      ,---,                                        ,--,    ___                                                                     //
//      .--.,                              ,--.'|_  ,--.' |                                      ,--.'|  ,--.'|_                                                                   //
//    ,--.'  \  __  ,-.                    |  | :,' |  |  :                                 ,--, |  | :  |  | :,'          ,--,  __  ,-.                                           //
//    |  | /\/,' ,'/ /|                    :  : ' : :  :  :                               ,'_ /| :  : '  :  : ' :        ,'_ /|,' ,'/ /|                                           //
//    :  : :  '  | |' | ,---.     ,---.  .;__,'  /  :  |  |,--.   ,---.     ,---.    .--. |  | : |  ' |.;__,'  /    .--. |  | :'  | |' | ,---.                                     //
//    :  | |-,|  |   ,'/     \   /     \ |  |   |   |  :  '   |  /     \   /     \ ,'_ /| :  . | '  | ||  |   |   ,'_ /| :  . ||  |   ,'/     \                                    //
//    |  : :/|'  :  / /    /  | /    /  |:__,'| :   |  |   /' : /    /  | /    / ' |  ' | |  . . |  | ::__,'| :   |  ' | |  . .'  :  / /    /  |                                   //
//    |  |  .'|  | ' .    ' / |.    ' / |  '  : |__ '  :  | | |.    ' / |.    ' /  |  | ' |  | | '  : |__'  : |__ |  | ' |  | ||  | ' .    ' / |                                   //
//    '  : '  ;  : | '   ;   /|'   ;   /|  |  | '.'||  |  ' | :'   ;   /|'   ; :__ :  | : ;  ; | |  | '.'|  | '.'|:  | : ;  ; |;  : | '   ;   /|                                   //
//    |  | |  |  , ; '   |  / |'   |  / |  ;  :    ;|  :  :_:,''   |  / |'   | '.'|'  :  `--'   \;  :    ;  :    ;'  :  `--'   \  , ; '   |  / |                                   //
//    |  : \   ---'  |   :    ||   :    |  |  ,   / |  | ,'    |   :    ||   :    ::  ,      .-./|  ,   /|  ,   / :  ,      .-./---'  |   :    |                                   //
//    |  |,'          \   \  /  \   \  /    ---`-'  `--''       \   \  /  \   \  /  `--`-==='     ---`-'  ---`-'   `--`----'           \   \  /                                    //
//    `--'             `----'    `----'                          `----'    `----'      ,--.'|_                                    ,---, `----'                           ,---,     //
//       ,---.    __  ,-.                 ,---,                                  ,--,  |  | :,'                   ,---,         ,---.'|                      ,---,     ,---.'|     //
//      '   ,'\ ,' ,'/ /|             ,-+-. /  |  ,----._,.                    ,'_ /|  :  : ' :               ,-+-. /  |        |   | :                  ,-+-. /  |    |   | :     //
//     /   /   |'  | |' | ,--.--.    ,--.'|'   | /   /  ' /   ,--.--.     .--. |  | :.;__,'  /    ,--.--.    ,--.'|'   |        :   : :      ,--.--.    ,--.'|'   |    |   | |     //
//    .   ; ,. :|  |   ,'/       \  |   |  ,"' ||   :     |  /       \  ,'_ /| :  . ||  |   |    /       \  |   |  ,"' |        :     |,-.  /       \  |   |  ,"' |  ,--.__| |     //
//    '   | |: :'  :  / .--.  .-. | |   | /  | ||   | .\  . .--.  .-. | |  ' | |  . .:__,'| :   .--.  .-. | |   | /  | |        |   : '  | .--.  .-. | |   | /  | | /   ,'   |     //
//    '   | .; :|  | '   \__\/: . . |   | |  | |.   ; ';  |  \__\/: . . |  | ' |  | |  '  : |__  \__\/: . . |   | |  | |        |   |  / :  \__\/: . . |   | |  | |.   '  /  |     //
//    |   :    |;  : |   ," .--.; | |   | |  |/ '   .   . |  ," .--.; | :  | : ;  ; |  |  | '.'| ," .--.; | |   | |  |/         '   : |: |  ," .--.; | |   | |  |/ '   ; |:  |     //
//     \   \  / |  , ;  /  /  ,.  | |   | |--'   `---`-'| | /  /  ,.  | '  :  `--'   \ ;  :    ;/  /  ,.  | |   | |--'          |   | '/ : /  /  ,.  | |   | |--'  |   | '/  '     //
//      `----'   ---'  ;  :   .'   \|   |/       .'__/\_: |;  :   .'   \:  ,      .-./ |  ,   /;  :   .'   \|   |/              |   :    |;  :   .'   \|   |/      |   :    :|     //
//                     |  ,     .-./'---'        |   :    :|  ,     .-./ `--`----'      ---`-' |  ,     .-./'---'               /    \  / |  ,     .-./'---'        \   \  /       //
//                      `--`---'                  \   \  /  `--`---'                            `--`---'                        `-'----'   `--`---'                  `----'        //
//                                                 `--`-'                                                                                                                          //
//                                                      ___              ____                               ,-.                                                                    //
//                ,-.----.    ,--,             ,--,   ,--.'|_          ,'  , `.                         ,--/ /|                                                                    //
//                \    /  \ ,--.'|    __  ,-.,--.'|   |  | :,'      ,-+-,.' _ |                       ,--. :/ |                                                                    //
//      .--.--.   |   :    ||  |,   ,' ,'/ /||  |,    :  : ' :   ,-+-. ;   , ||             .--.--.   :  : ' /                                                                     //
//     /  /    '  |   | .\ :`--'_   '  | |' |`--'_  .;__,'  /   ,--.'|'   |  || ,--.--.    /  /    '  |  '  /                                                                      //
//    |  :  /`./  .   : |: |,' ,'|  |  |   ,',' ,'| |  |   |   |   |  ,', |  |,/       \  |  :  /`./  '  |  :                                                                      //
//    |  :  ;_    |   |  \ :'  | |  '  :  /  '  | | :__,'| :   |   | /  | |--'.--.  .-. | |  :  ;_    |  |   \                                                                     //
//     \  \    `. |   : .  ||  | :  |  | '   |  | :   '  : |__ |   : |  | ,    \__\/: . .  \  \    `. '  : |. \                                                                    //
//      `----.   \:     |`-''  : |__;  : |   '  : |__ |  | '.'||   : |  |/     ," .--.; |   `----.   \|  | ' \ \                                                                   //
//     /  /`--'  /:   : :   |  | '.'|  , ;   |  | '.'|;  :    ;|   | |`-'     /  /  ,.  |  /  /`--'  /'  : |--'                                                                    //
//    '--'.     / |   | :   ;  :    ;---'    ;  :    ;|  ,   / |   ;/        ;  :   .'   \'--'.     / ;  |,'                                                                       //
//      `--'---'  `---'.|   |  ,   /         |  ,   /  ---`-'  '---'         |  ,     .-./  `--'---'  '--'                                                                         //
//                  `---`    ---`-'           ---`-'                          `--`---'                                                                                             //
//                             ___                                                                                                                                                 //
//                           ,--.'|_    ,--,                                                                                                                                       //
//                  __  ,-.  |  | :,' ,--.'|                      ,--,                                                                                                             //
//                ,' ,'/ /|  :  : ' : |  |,                     ,'_ /|                                                                                                             //
//       ,--.--.  '  | |' |.;__,'  /  `--'_       ,---.    .--. |  | :                                                                                                             //
//      /       \ |  |   ,'|  |   |   ,' ,'|     /     \ ,'_ /| :  . |                                                                                                             //
//     .--.  .-. |'  :  /  :__,'| :   '  | |    /    / ' |  ' | |  . .                                                                                                             //
//      \__\/: . .|  | '     '  : |__ |  | :   .    ' /  |  | ' |  | |                                                                                                             //
//      ," .--.; |;  : |     |  | '.'|'  : |__ '   ; :__ :  | : ;  ; |                                                                                                             //
//     /  /  ,.  ||  , ;     ;  :    ;|  | '.'|'   | '.'|'  :  `--'   \                                                                                                            //
//    ;  :   .'   \---'      |  ,   / ;  :                                                                                                                                         //
//                                                                                                                                                                                 //
//                                                                                                                                                                                 //
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////


contract OLOL1 is ERC721Creator {
    constructor() ERC721Creator("Oneloveonelink1", "OLOL1") {}
}

// File: contracts/ERC721Creator.sol




// 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;
    }    

}

// File: @openzeppelin/contracts/proxy/Proxy.sol



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

pragma solidity ^0.8.0;

/**
 * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM
 * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to
 * be specified by overriding the virtual {_implementation} function.
 *
 * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a
 * different contract through the {_delegate} function.
 *
 * The success and return data of the delegated call will be returned back to the caller of the proxy.
 */
abstract contract Proxy {
    /**
     * @dev Delegates the current call to `implementation`.
     *
     * This function does not return to its internal call site, it will return directly to the external caller.
     */
    function _delegate(address implementation) internal virtual {
        assembly {
            // Copy msg.data. We take full control of memory in this inline assembly
            // block because it will not return to Solidity code. We overwrite the
            // Solidity scratch pad at memory position 0.
            calldatacopy(0, 0, calldatasize())

            // Call the implementation.
            // out and outsize are 0 because we don't know the size yet.
            let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)

            // Copy the returned data.
            returndatacopy(0, 0, returndatasize())

            switch result
            // delegatecall returns 0 on error.
            case 0 {
                revert(0, returndatasize())
            }
            default {
                return(0, returndatasize())
            }
        }
    }

    /**
     * @dev This is a virtual function that should be overridden so it returns the address to which the fallback function
     * and {_fallback} should delegate.
     */
    function _implementation() internal view virtual returns (address);

    /**
     * @dev Delegates the current call to the address returned by `_implementation()`.
     *
     * This function does not return to its internal call site, it will return directly to the external caller.
     */
    function _fallback() internal virtual {
        _beforeFallback();
        _delegate(_implementation());
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other
     * function in the contract matches the call data.
     */
    fallback() external payable virtual {
        _fallback();
    }

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

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

// File: @openzeppelin/contracts/utils/Address.sol



// 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);
            }
        }
    }
}

// File: @openzeppelin/contracts/utils/StorageSlot.sol



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

pragma solidity ^0.8.0;

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

    struct BooleanSlot {
        bool value;
    }

    struct Bytes32Slot {
        bytes32 value;
    }

    struct Uint256Slot {
        uint256 value;
    }

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

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

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

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