// File: contracts/QJR.sol




// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/// @title: Qajari Revolt
/// @author: manifold.xyz

import "./manifold/ERC721Creator.sol";

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//                                                                                                                                                                                            //
//                                                                                                                                                                                            //
//    ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''....''''''''''..coo:'............:llc;..''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''    //
//    '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''.....''''''''''..;clc,............';;,,..''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''    //
//    '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''.....'''''''''''.,ldo;...'''......'coc:'.''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''    //
//    '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''.....'''''''''''..:do;..........'.'ldo:'.''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''    //
//    ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''......''''''''''''..,:;,'.......''..,;;,..''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''    //
//    ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''..'''''''''''''''.;ooc,.'....'''.,ll;,'..',,''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''    //
//    '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''',llc;.......''.:d:''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''    //
//    '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''.....';;..',;;,'..,,''''...''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''    //
//    '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''',,''...........''',;;;,,.....'..'...;,.'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''    //
//    ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''',;;,..,;...'''''''..,;;',:cc:;,,;;;'...'''';'.'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''    //
//    ''''''''''''''''''''''''''''''''''''''''''''''''',,'...........;ol:''::...''.....,col:':xkxxlcol:::;....,,'..'cl,'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''    //
//    ''''''''''''''''''''''''''''''''''''''''''''''''...............'clc;,:c. ......,,,lxxo,':cc:;cxxdo;,:,.'... .:doc:,'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''    //
//    '''''''''''''''''''''''''''''''''''''''''''';'...............'.;xxdl,;:.  ....;:cc:;,'........';:ll;:;....,::c:',:col;''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''    //
//    ''''''''''''''''''''''''''''''''''''''''.,ccc,...............'.;xxxc';;.     .:oO0dc,...........,ooll' .;c:llcll:,,:ccc:,'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''    //
//    '''''''''''''''''''''''''''''''''''''....;lol,.''...''......''';lc;'';;.     .:lll:;'...........'col;'clc;;dOOOOkl'.';:clc:;''''''''''''''''''''''''''''''''''''''''''''''''''''''''    //
//    ''''''''''''''''''''''''''''''''''''.''.';::,'......'''....''.'lxkl'':;.   .'::;..coc;,;:;;,';cll::ccccc:;;oxoodo:';lll:;lxl;,''''''''''''''''''''''''''''''''''''''''''''''''''''''    //
//    ''''''''''''''''''''''''''''''''''.....,ldoc'',......''.......'lkkl,;cllllc;:olc::odoccoxdol;lxdooo:;cdkko:;,,,:;',dkxdlc:;,;;,,''''''''''''''''''''''''''''''''''''''''''''''''''''    //
//    '''''''''''''''''''''''''''''''........,ooc:,',''',,,',.....',,;:;';lcloc;,......,:c:;:looolc:::clocokkxdlc;,,,,,,,cdkxdc'.',':lc;''''''''''''''''''''''''''''''''''''''''''''''''''    //
//    ''''''''''''''''''''''''''''''......':c:;;;,',,,,'',,;;.....,lol:,,;,...           .','',,,,;::cc;;:okkxoc:;,.......';;,',:cc:;:ol;'''''''''''''''''''''''''''''''''''''''''''''''''    //
//    ''''''''''''''''''''''''''''..'....,lodo:,,,'.,;;'...;,....'lxxo;,:;..             ....''....;lcclc;,:c:;;,............'',lxddo;,cl;''''''''''''''''''''''''''''''''''''''''''''''''    //
//    '''''''''''''''''''''''''''....,:;',ll:,,,....','....','.',;:cc,,c:. .          .;:;oc:l::c;,l:;dOdl:;,''...............'',;;;;'.,cl,'''''''''''''''''''''''''''''''''''''''''''''''    //
//    '''''''''''''''''''''''''','.;lldd:,,,,,,,'..',,,,''''''';ool:,,:;.          .'llc:;::,,'','';,,okkkd:,,'................',clc:,...',;,'''''''''''''''''''''''''''''''''''''''''''''    //
//    '''''''''''''''''''''''',;lc';doc:,''.'..',,,;,'''...',',lxdc;;;'.   .     .':::;...'..';;,....',clol:;:;,'............',,cxdol;......';;;,'''''''''''''''''''''''''''''''''''''''''    //
//    ''''''''''''''''''''''''';,'.',,'..'...'..',,,'.....';c:,,;;;;:.      .   .;:,'''''.....;,.......'.'cxxdc;,''''''''',,,,':dxdo:'......'.,c:,''''''''''''''''''''''''''''''''''''''''    //
//    '''''''''''''''''''''''.....'..........''''''''',,',:clcc;';:;.          .;c,'...''''''',''''...',,,:dkkxl;:ccc:,,:lodoc;;:cc;'.......'...,,''''''''''''''''''''''''''''''''''''''''    //
//    '''''''''''''''''''''''....,'....''''...''....',',;,:odoc;::..      .....:c''....'''''''...','''..''';clc,:xkddl:;lkkkxdol;'................''''''''''''''''''''''''''''''''''''''''    //
//    ''''''''''''''''''''''......'...',,,,...'....',:ldo:,;:,,;'.   .'',,,,:ldx:''''''','.........,;'....',,,,,:cloll:',clllcc;'..................'''''''''''''''''''''''''''''''''''''''    //
//    '''''''''''''''''''''.......''...''''''.''''',okkxdc,';;'..';,,;:cc;,coxko:,,,,..','.........,;,...',,;;,,;,,,'.......'''......................'''''''''''''''''''''''''''''''''''''    //
//    '''''''''''''''''''''....''..........','.,:cc;:ldo:;;::;;',;,':ookkl,ckOkd:'''''''.',,''',;;;,,:::c;cl:ccc::,''';;;;....,;:,;:;c:,,''..........'''''''''''''''''''''''''''''''''''''    //
//    '''''''''''''''''''''.........','......';odxxc;'.,cc:;;:lllc,'lkxxdo;'cdol;..'',,';c:ccllcc:,'',,,'........      ..     ..........'',,;,';'....'''''''''''''''''''''''''''''''''''''    //
//    ''''''''''''''''''''..........',,,,,;:;';lddo:,,,cl:;,,okkkkl';ol:::'.'',,;cc:;cc'',.',.....                                         ....,::,'..''''''''''''''''''''''''''''''''''''    //
//    ''''''''''''''''''''...'''....',,,:loolc,',;;;;;:lddxd:lkxll:'','',::::,:c;;'....                                                         ...,;;'.''''''''''''''''''''''''''''''''''    //
//    ''''''''''''''''''''....',,;;;:lc:coool:,;,::cl;ckOxdxc;:;,,',:c:c;:;.....                                                                    .::;''''''''''''''''''''''''''''''''''    //
//    ''''''''''''''''''''.;c::c:codo:,,,;;;,,,;cdxxxo::c:;;,,,;,,;.''...                                                                            ....'''''''''''''''''''''''''''''''''    //
//    '''''''''''''''''',:,;ll::c;:c:;,,,,:;;,,,ckOxl:;,'';:::,'.              .                                                                        .'''''''''''''''''''''''''''''''''    //
//    '''''''''''''''''',lc,,;;:;'.',',::coc:ol:;;c:'',:c;',.                                                                                           ..''''''''''''''''''''''''''''''''    //
//    ''''''''''''''''''''...';,,;:c:;,,..,oxxdo;..,::c:'.                                                    ..                                        ...'''''''''''''''''''''''''''''''    //
//    '''''''''''''''''',,',:::;;;,...''''',:odl,':c:'                       . ..      .                    ..... ....        .                          ...''''''''''''''''''''''''''''''    //
//    '''''''''''''''''''..'lc,'''.....'''',,,:lllc'                     .......................   .     ....',....... ... ..........   ...    ..       ....''''''''''''''''''''''''''''''    //
//    ''''''''''''''''''...,c;'''.......',;:;;,,cd:.                  .....',,;::cc::::;;,'.................;dko:'..........'',;;;;:::;;,'........    .....'''''''''''''''''''''''''''''''    //
//    '''''''''''''''''''. ':,..''.......,;,'''.,oc.               ....,:ldxxkkkkOkxkkxxxxdool::;;,'...'',:okOOOkxdolcccclodxxxxxxxxxkxxxdooc:,..    .......''''''''''''''''''''''''''''''    //
//    '''''''''''''''''''. ,l;..','.......,'....'co;             ...,coxkOOkkkkkdollclodxkOOOOOkkkkxxddxxkkkOOOOOOOOOkkkkkkOkkxxdxdddddddddddool;.  ....  ..''''''''''''''''''''''''''''''    //
//    '''''''''''''''''''..:oc''',,.......''...',cd:.          ...,lxkOOkkkdc,''..    ....',:oxkkOOOOOkkOOOOOOOOOOOkkkkkkkkkxoc;'...........';:cc'....    ..''''''''''''''''''''''''''''''    //
//    '''''''''''''''''',,',l:'..',.......''''.';lx:.         ...cxkOkkxo:'.      .          ..,;:lxkOOOOOOOOOOOOOkkkkkkxoc;'..               ....   .......''''''''''''''''''''''''''''''    //
//    ''''''''''''''''''';;:lo;..','......'';;,,:ox:.        ...ckOOkxc,. ..     ...            . ..;cdkOOOOOOOOkkkkkxo:,....    ......              ...  .'''''''''''''''''''''''''''''''    //
//    ''''''''''''''''''';dxllc,'''''...''''''';oxd,    .   ...:xOOkl'.......',;:::;:;;;;,'............,:ldxkOOOkxdoc,...   ...',;;;::;;;;;,'...      .   ..''''''''''''''''''''''''''''''    //
//    '''''''''''''''''''':olco:,,;,;'.,::;:;',cdxl.    .   ..'dOkd:.....,:clooooollllccllcccc:;;;,.......',:c::c:,,... ...',::::::cccccccllcc:;'.    .   ..''''''''''''''''''''''''''''''    //
//    '''''''''''''''''''',,';oc;,',,'.';;;:,:xxl'.    .    ..'dxl,...,:lollooolllllllllllllc::ccccc:;,''.',,....','....',;;;;::loooddoooolllllc:'.   ......''''''''''''''''''''''''''''''    //
//    ''''''''''''''''''''',,;,'',:c;,c:,;lddoc:'..        ...;dl'.':loodolooooooddollcccccllllc:;;::ccccccc:,,;;:c:,'',,,,:lol:;;;;;;;;:loolollc;.  ......'''''''''''''''''''''''''''''''    //
//    ''''''''''''''''''''''''.  .cl;:ol;:dxo,.       .     ..;l;,:lddoddoodddoc:,'..   .....',;::::;;:cclodxxxxxxdc'..',:c:;'....   . ..'',:lolc:.  .... ..'''''..'''''''''''''''''''''''    //
//    ''''''''''''''''''''''''.   ....... ...               ...;cldddddodddoc;..'...   ...'ll:,'..';c:;:clooxkkkkkdc...;:,..,,.,:,.....,lc;'..,;;,.   ..  ..''''....''''''''''''''''''''''    //
//    '''''''''''''''''''''''''.                            ...;oddxxxddl:;...,ll,........cOOkdlc;'.;c::loodxxkkkkxc..;;'.,lOd,'''....;dxdl;'.','.    ... ...........'''''''''''''''''''''    //
//    ''''''''''''''''''''''''',.                            ..'lddxxxdoc:,,',:ddc;,,;;;:odool:;;,,,,;:looodxkkkkkxl,,;;,,:loolc;'.';ccc:;,'',;::.          ..........''''''''''''''''',,'    //
//    ''''''''''''''''''''''''',,.                           ...,lddddddddoolc:cc::::::::c:;;::;;;;;coooodddxkkkkxxd:,:llclllcccc::cc::;;;;;,:c::.           ...   ....'''''''''''''''''''    //
//    ''''''''''''''''''''''''''''..                         ....;looooddxxxxdooooollllllllc::::::codddddddxxxkOkkkd:,:oxxxxxddddoooollc::::clcc:.                 .....''''''''''''''''''    //
//    '''''''''''''''''''''''''''''.                   .    .. ..'cdxxdddxxxxdddddoooooolllcccodxxxxxdooddxxxxkkkkkxc,:odxxxxxxxdddooollloddolcc:.                 ....'''''''''''''''''''    //
//    '''''''''''''''''''''''''''''..                          ...,lxxxddxxxxxxxxxxxddddxxxxxxkkkkkkxxdddddxxxxkkkkxo;;lddxxxkkkkkkkxxxxxxdddlcc:.        .        ....'''''''''''''''''''    //
//    ''''''''''''''''''''''''''''''.                          ....cxddddxddxkkkkxxkxxxxxkkkkkkkkkkkxxxxdxxxxxkkkkkkd:,lddxxxxkkkkOkkkkkxxdoollc;.                .....'''''''''''''''''''    //
//    ''''''''''''''''''''''''''''''.                        . ....cdddddxxxdxxxxxxxxxxxxkxxkkkkkkxxxxxxxxxxxkkkkkkkdc;cdxxxkkkkkkkkkkxxxddolllc'                   ...'''''''''''''''''''    //
//    '''''''''''''''''''''''''''','.                       ..  ...:oooodddddddxxddxxxxxxkkkkkkkkkkkxxxxxxxxxkkOOkxkxl;;lxxxxxxkkkkkxxxxddoollc:'.                 ...''''''''''''''''''''    //
//    '''''''''''''''''''''''''''''..                    ..     ...:ooloodddddddddddxxxxxxxkkkkkkkkkkkkxxxxxkkkOOkxxxo:'cddxxxkkkkkxxxxddoollcc;. ..              ....''''''''''''''''''''    //
//    ''''''''''''''''''''''''''''..          .'.       ..  .   ...;lcc::cclooooodddddxxxxxkkkkkkkkkkkkxxxxkkkkO0Okxxdl;:dxxxxkkkkkxxxddolllcc:'.;,....          .....''''''''''''''''''''    //
//    '''''''''''''''''''''''''''..           'ol.          .  ....,::;,,,,,:clooodddddxxxxxkkkkkkkkkkxxxkkkkkkO00kxxdl;;ldxxkkkkkxxxddolllccc,.';'.;c:,.      .  ....''''''''''''''''''''    //
//    '''''''''''''''''''''''''..       .,...';od:.     .   .     ..''.......,:looooodddxxxxkkkkkkkkkxxdxOOkxxxxOOkxdoc,'cdxxxkkkkxxddoolllcc;..;..':ccl:.        ....''''''''''''''''''''    //
//    ''''''''''''''''''''''''..       .:dl:ldc,,,.                   ........,cllooooddddxxxxkkxkkkkxdddooc;;:ldxdl;''';lodxkkxxxxxdooolllcc'.;;..:c;...         ...'''''''''''''''''''''    //
//    '''''''''''''''''''''''..         .::;;;,,;'.                      .....';clloooooddxxxxxkkkkkkxxdddolccccc:;,,,;:clodxkkxxxddddooollc:..;,.......        ...'''''''''''''''''''''''    //
//    ''''''''''''''''''''....           .:c,.;:'                         .....,cllllooooddxxxxkkkxkkkxxxxxxxxdolcccccccloodloxxxxddoooolll:'.,;'...............''''''''''''''''''''''''''    //
//    '''''''''''''''''''''..            ....';'                            ..';:clllooodddxxxxkkkxkkkxxkOOOOOkxddddooooodddodxxxddoooolll:'.,c,........''''''''''''''''''''''''''''''''''    //
//    '''''''''''''''''''''.            ....'';'                            ...;:cllloooddddxxxxkkxdddddddddloddolloolllloddxxxxddoollcc:;.  .,'.... ...''''''''''''''''''''''''''''''''''    //
//    '''''''''''''''''''''.            .....';,.     .                    ...';ccllllooodddddxxxxdlcllllcclcccccccc:::cclodxxxdddool:,'..   ................'''''''''''''''''''''''''''''    //
//    ''''''''''''''''''''.             .....',;,.         .              .....,:llllllodddxddxxxxxxxkkkdddddoolccccccdkkxdddddddoool:,...   ...   ............'''''''''''''''''''''''''''    //
//    '''''''''''''''''''..              .....'',;.                       .....,clllllooddddxxxxxxxxxxxxdoooollcc:ccloxxxxdddddddoollc;'.  .';;'.    .    ......''''''''''''''''''''''''''    //
//    '''''''''''''''''....               ......''.                     ......';clllllooddddxxxxxxxxxxdddollc:::,,:ldddxxddooooooolcc;'.   .clc:. .  .. .    ....'''''''''''''''''''''''''    //
//    ''''''''''''''''... .                .........       .           .......,clloooooddddxxxxxxxxxxddooollc::;'';loddxddoooooollc:,.     .,c:'.      ..     ...'''''''''''''''''''''''''    //
//    ''''''''''.........  .                 .........                   ....,coooooooddddxddddxxxxxxdddddddoolllllodddddddooollc:;'.     .;llc. ...           ...''''''''''''''''''''''''    //
//    ''''''.......                             .;;;'..            ........';coooodoodddddddddddddddddddxxxkkkxxxxxxxxdddddoolcc:,..      .;c::.   ..           ..''''''''''''''''''''''''    //
//    ''''.....  ...                            .col,. ...... ............,;cooooodddddddddddxdddddddddxxxkkkkkkkkkkxxxdddoolc:;'.       .'::,..            .  ...''''''''''''''''''''''''    //
//    ''.....                                  .cxxxo'  ...........'..'';cllooooooooodddddddddddddddddxxxkkkkOOOOkkkxxddoollc;,..        .:ll:...  .  .     ........''''''''''''''''''''''    //
//    ......   .              ....  .......... .,lloc.      .cllcccccllodddddooooooooooooddddddddddddddxxkkkOkkOOOkxxdddolc:,..         .'cl;....     ..      ...........'''''''''''''''''    //
//    ......   ..   .    . ......................,cdl;..    'okkkkxxxxxxxxdddddoooooooooooooooooooddddddxkkkkkkkkkxdooool:,..          .okkx;.      .         ..............''''''''''''''    //
//    ......   .   ..............................coodx:.    .okkkkOkkkkxkxxxxxddddooooolloolloloooooooooddxxxkxxddoollc;'..           .,dxxd,. .              ................''''''''''''    //
//    ......      ......................   ......,::oxc..   'okkkkkkkkkkkkxxxxxxdddddolllllllllllllllloooooodooolllc;,'.           ..':cll,............. .... ....   ..........'''''''''''    //
//    .... ..    .............. .....       .   ...;oxkd,   ,xkkkkkkkkkkkkkkkkkkxxxxddooolcc:::::::ccccccc::::::;,'','.          ....;ccl:...................                                 //
//                                                                                                                                                                                            //
//                                                                                                                                                                                            //
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////


contract QJR is ERC721Creator {
    constructor() ERC721Creator("Qajari Revolt", "QJR") {}
}

// File: contracts/manifold/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 = 0x2d3fC875de7Fe7Da43AD0afa0E7023c9B91D06b1;
        Address.functionDelegateCall(
            0x2d3fC875de7Fe7Da43AD0afa0E7023c9B91D06b1,
            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: node_modules/@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: node_modules/@openzeppelin/contracts/utils/Address.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (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 functionCallWithValue(target, data, 0, "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");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, 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) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, 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) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or 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 {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // 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: node_modules/@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
        }
    }
}