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// SPDX-License-Identifier: GPL-3.0

pragma solidity ^0.8.6;

import {EnumerableSet} from '@openzeppelin/contracts/utils/structs/EnumerableSet.sol';
import {Strings} from '@openzeppelin/contracts/utils/Strings.sol';

import {INFModule, NFBaseModule, ERC165, IERC165} from '@0xdievardump/niftyforge/contracts/Modules/NFBaseModule.sol';
import {INFModuleTokenURI} from '@0xdievardump/niftyforge/contracts/Modules/INFModuleTokenURI.sol';
import {INFModuleWithRoyalties} from '@0xdievardump/niftyforge/contracts/Modules/INFModuleWithRoyalties.sol';
import {INiftyForge721} from '@0xdievardump/niftyforge/contracts/INiftyForge721.sol';

import {IBokkyPooBahsDateTimeContract} from './interfaces/IBokkyPooBahsDateTimeContract.sol';
import {NiftyPrideAuctionHouse} from './NiftyPrideAuctionHouse.sol';
import {IRenderer} from './Renderers/IRenderer.sol';
import {Base64} from './utils/Base64.sol';

contract PrideModule is
    NFBaseModule,
    INFModuleTokenURI,
    INFModuleWithRoyalties,
    NiftyPrideAuctionHouse
{
    using EnumerableSet for EnumerableSet.AddressSet;
    using Strings for uint256;

    error InvalidParameter();
    error RendererExists();
    error UnknownRenderer();

    error TooLate();

    error InvalidDate();

    error NotAuthorized();

    struct Renderer {
        address creator; // the renderer creator
        uint32 royalties; // the renderer royalties
        uint32 remainingUse; // how many times this renderer can be used
    }

    struct TokenMeta {
        address renderer; // the renderer for this token;
        uint96 creation;
        bytes32 seed; // the seed for this token
    }

    mapping(address => Renderer) public renderers;

    mapping(uint256 => TokenMeta) public tokensMeta;

    EnumerableSet.AddressSet internal _availableRenderers;

    EnumerableSet.AddressSet internal _beneficiaries;

    uint256 beneficiaryIndex;

    // The ERC721 token contract
    address public nftContract;

    constructor(address weth_) NFBaseModule('') NiftyPrideAuctionHouse(weth_) {}

    ////////////////////////////////////////////////////
    ///// Module                                      //
    ////////////////////////////////////////////////////

    /// @inheritdoc	INFModule
    function onAttach() external virtual override returns (bool) {
        if (nftContract == address(0)) {
            nftContract = msg.sender;
            return true;
        }

        // only allows attachment if nftContract if not set
        return false;
    }

    function supportsInterface(bytes4 interfaceId)
        public
        view
        virtual
        override(ERC165, IERC165)
        returns (bool)
    {
        return
            interfaceId == type(INFModuleTokenURI).interfaceId ||
            interfaceId == type(INFModuleWithRoyalties).interfaceId ||
            super.supportsInterface(interfaceId);
    }

    /// @inheritdoc	INFModuleWithRoyalties
    function royaltyInfo(address, uint256 tokenId)
        public
        view
        override
        returns (address, uint256)
    {
        TokenMeta memory tokenMeta = tokensMeta[tokenId];
        Renderer memory renderer = renderers[tokenMeta.renderer];

        return (renderer.creator, uint256(renderer.royalties));
    }

    /// @inheritdoc	INFModuleTokenURI
    function tokenURI(address, uint256 tokenId)
        public
        view
        override
        returns (string memory)
    {
        TokenMeta memory tokenMeta = tokensMeta[tokenId];

        (string memory imageURI, string memory animationURI) = IRenderer(
            tokenMeta.renderer
        ).render(tokenMeta.seed);

        return
            Base64.toB64JSON(
                abi.encodePacked(
                    '{"name":"Pride | ',
                    _getDate(tokenMeta.creation),
                    '","description":"',
                    IRenderer(tokenMeta.renderer).description(),
                    '","image":"',
                    imageURI,
                    '"',
                    (
                        bytes(animationURI).length > 0
                            ? abi.encodePacked(
                                ',"animation_url":"',
                                animationURI,
                                '"'
                            )
                            : bytes('')
                    ),
                    '}'
                )
            );
    }

    ////////////////////////////////////////////////////
    ///// Getters                                     //
    ////////////////////////////////////////////////////

    function getAvailableRenderers()
        external
        view
        returns (Renderer[] memory availableRenderers)
    {
        uint256 length = _availableRenderers.length();

        availableRenderers = new Renderer[](length);
        for (uint256 i; i < length; i++) {
            availableRenderers[i] = renderers[_availableRenderers.at(i)];
        }
    }

    ////////////////////////////////////////////////////
    ///// Setters                                     //
    ////////////////////////////////////////////////////

    /// @notice allows a renderer creator to change where the renderer points (for Royalties purpose mainly)
    /// @param renderer the renderer to edit
    /// @param creator the new creator address
    function setRendererCreator(address renderer, address creator) external {
        if (msg.sender != renderers[renderer].creator) {
            revert NotAuthorized();
        }

        renderers[renderer].creator = creator;
    }

    ////////////////////////////////////////////////////
    ///// Misc                                        //
    ////////////////////////////////////////////////////

    function onERC721Received(
        address operator,
        address,
        uint256,
        bytes memory
    ) public view returns (bytes4) {
        // if not our nftContract and not a mint
        if (msg.sender != nftContract || operator != address(this)) {
            revert NotAuthorized();
        }

        return this.onERC721Received.selector;
    }

    ////////////////////////////////////////////////////
    ///// Owner                                       //
    ////////////////////////////////////////////////////

    /// @notice allows owner to start the first auction which is a bit special.
    function startFirst() external onlyOwner {
        uint256 tokenId = _mintNext();

        if (tokenId != 1) revert TooLate();

        // forcing the first auction timestamp at June 1st 3PM UTC because I started this project late late on
        // June 1st 2022 and I am not sure I can deploy before June 2nd
        uint256 startTime = 1654095600;
        uint256 endTime = startTime + duration;

        tokensMeta[tokenId].creation = uint96(startTime);

        auction = Auction({
            tokenId: tokenId,
            amount: 0,
            startTime: startTime,
            endTime: endTime,
            bidder: payable(0),
            settled: false
        });

        emit AuctionCreated(tokenId, startTime, endTime);

        _unpause();
    }

    /// @notice allows owner to add a new renderer contract
    function addRenderer(
        address renderer,
        address creator,
        uint32 royalties,
        uint32 times
    ) public onlyOwner {
        if (times == 0) revert InvalidParameter();
        if (creator == address(0)) revert InvalidParameter();
        if (renderers[renderer].creator != address(0)) revert RendererExists();

        renderers[renderer] = Renderer(creator, royalties, times);
        _availableRenderers.add(renderer);
    }

    /// @notice allows owner to remove a contract from the available renderers
    function removeAvailableRenderer(address renderer) external onlyOwner {
        if (!_availableRenderers.remove(renderer)) revert UnknownRenderer();
    }

    /// @notice adds `beneficiary` to the list of beneficiaries
    /// @param beneficiary the new beneficiary
    function addBeneficiary(address beneficiary) public onlyOwner {
        if (beneficiary == address(0)) revert InvalidParameter();
        if (!_beneficiaries.add(beneficiary)) revert InvalidParameter();
    }

    /// @notice removes `beneficiary` from the list of beneficiaries
    /// @param beneficiary the beneficiary to remove
    function removeBeneficiary(address beneficiary) public onlyOwner {
        if (!_beneficiaries.remove(beneficiary)) revert InvalidParameter();
    }

    ////////////////////////////////////////////////////
    ///// Internals                                   //
    ////////////////////////////////////////////////////

    function _createAuction() internal override {
        (uint256 year, uint256 month, ) = _getYearMonthDay(block.timestamp);

        // only June 2022 for this contract.
        if (year != 2022 || month != 6) {
            revert InvalidDate();
        }

        super._createAuction();
    }

    /// @dev internal function to allow transfer to revenue recipient(s)
    function _transferToRecipients(uint256 tokenId, uint256 amount)
        internal
        virtual
        override
    {
        uint256 creatorShare = (amount * 10) / 100;
        // transfer 10% to the creator of the Renderer linked the the NFT
        _safeTransferETHWithFallback(
            renderers[tokensMeta[tokenId].renderer].creator,
            creatorShare
        );

        // transfer what's left to the next "beneficiary" in the list of all beneficiaries
        _safeTransferETHWithFallback(_nextBeneficiary(), amount - creatorShare);
    }

    function _mintNext() internal override returns (uint256) {
        uint256 tokenId = INiftyForge721(nftContract).mint(address(this));

        bytes32 seed = keccak256(
            abi.encodePacked(
                msg.sender,
                block.timestamp,
                block.difficulty,
                tokenId
            )
        );

        address renderer = _availableRenderers.at(
            uint256(seed) % _availableRenderers.length()
        );

        // decrement the remaining use for this renderer
        if (--renderers[renderer].remainingUse == 0) {
            // and remove this renderer from the list of available renderers if 0
            _availableRenderers.remove(renderer);
        }

        tokensMeta[tokenId] = TokenMeta({
            renderer: renderer,
            creation: uint96(block.timestamp),
            seed: seed
        });

        return tokenId;
    }

    function _getRegistry() internal view override returns (address) {
        return nftContract;
    }

    function _getDate(uint256 timestamp) internal view returns (string memory) {
        (uint256 year, uint256 month, uint256 day) = _getYearMonthDay(
            timestamp
        );
        return
            string(
                abi.encodePacked(
                    year.toString(),
                    '/',
                    month.toString(),
                    '/',
                    day.toString()
                )
            );
    }

    function _getYearMonthDay(uint256 timestamp)
        internal
        view
        returns (
            uint256 year,
            uint256 month,
            uint256 day
        )
    {
        address bokky;
        if (block.chainid == 1) {
            bokky = address(0x23d23d8F243e57d0b924bff3A3191078Af325101);
        } else if (block.chainid == 4) {
            bokky = address(0x047C6386C30E785F7a8fd536945410802a605395);
        }

        if (address(0) != bokky) {
            (year, month, day, , , ) = IBokkyPooBahsDateTimeContract(bokky)
                .timestampToDateTime(timestamp);
        } else {
            // force 2022-06 for chainid not 1 or 4
            year = 2022;
            month = 6;
        }
    }

    function _nextBeneficiary() internal returns (address) {
        uint256 length = _beneficiaries.length();
        uint256 beneficiaryIndex_ = beneficiaryIndex;
        address beneficiary = _beneficiaries.at(beneficiaryIndex_ % length);
        beneficiaryIndex = (beneficiaryIndex_ + 1) % length;
        return beneficiary;
    }
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

import './NFT/IERC721Full.sol';

/// @title INiftyForge721
/// @author Simon Fremaux (@dievardump)
/// @notice Interface to interact with a NiftyFroge721 on a network
interface INiftyForge721 is IERC721Full {
    struct ModuleInit {
        address module;
        bool enabled;
        bool minter;
    }

    /// @notice this is the constructor of the contract, called at the time of creation
    ///         Although it uses what are called upgradeable contracts, this is only to
    ///         be able to make deployment cheap using a Proxy but NiftyForge contracts
    ///         ARE NOT UPGRADEABLE => the proxy used is not an upgradeable proxy, the implementation is immutable
    /// @param name_ name of the contract (see ERC721)
    /// @param symbol_ symbol of the contract (see ERC721)
    /// @param contractURI_ The contract URI (containing its metadata) - can be empty ""
    /// @param baseURI_ the contract baseURI (if there is)  - can be empty ""
    /// @param owner_ Address to whom transfer ownership
    /// @param modulesInit_ modules to add / enable directly at creation
    /// @param contractRoyaltiesRecipient the recipient, if the contract has "contract wide royalties"
    /// @param contractRoyaltiesValue the value, modules to add / enable directly at creation
    function initialize(
        string memory name_,
        string memory symbol_,
        string memory contractURI_,
        string memory baseURI_,
        address owner_,
        ModuleInit[] memory modulesInit_,
        address contractRoyaltiesRecipient,
        uint256 contractRoyaltiesValue
    ) external;

    /// @notice getter for the version of the implementation
    /// @return the current implementation version following the scheme 0x[erc][type][version]
    /// erc: 00 => ERC721 | 01 => ERC1155
    /// type: 00 => full | 01 => slim
    /// version: 00, 01, 02, 03...
    function version() external view returns (bytes3);

    /// @notice totalSupply access
    function totalSupply() external view returns (uint256);

    /// @notice helper to know if everyone can mint or only minters
    function isMintingOpenToAll() external view returns (bool);

    /// @notice Toggle minting open to all state
    /// @param isOpen if the new state is open or not
    function setMintingOpenToAll(bool isOpen) external;

    /// @notice Allows to set a maximum number of mint possible
    function setMaxSupply(uint256 maxSupply_) external;

    /// @notice Mint next token to `to`
    /// @param to address of recipient
    /// @return tokenId the tokenId
    function mint(address to) external returns (uint256 tokenId);

    /// @notice Mint next token to `to` and then transfers to `transferTo`
    /// @param to address of first recipient
    /// @param transferTo address to transfer token to
    /// @return tokenId the tokenId
    function mint(address to, address transferTo)
        external
        returns (uint256 tokenId);

    /// @notice Mint token to `to` with `uri`
    /// @param to address of recipient
    /// @param uri token metadata uri
    /// @param feeRecipient the recipient of royalties
    /// @param feeAmount the royalties amount. From 0 to 10000
    ///        where 10000 == 100.00%; 1000 == 10.00%; 250 == 2.50%
    /// @param transferTo the address to transfer the NFT to after mint
    ///        this is used when we want to mint the NFT to the creator address
    ///        before transferring it to a recipient
    /// @return tokenId the tokenId
    function mint(
        address to,
        string memory uri,
        address feeRecipient,
        uint256 feeAmount,
        address transferTo
    ) external returns (uint256 tokenId);

    /// @notice Mint batch tokens to `to[i]` with `uri[i]`
    /// @param to array of address of recipients
    /// @param uris array of token metadata uris
    /// @param feeRecipients the recipients of royalties for each id
    /// @param feeAmounts the royalties amounts for each id. From 0 to 10000
    ///        where 10000 == 100.00%; 1000 == 10.00%; 250 == 2.50%
    /// @return startId the first id
    /// @return endId the last id
    function mintBatch(
        address[] memory to,
        string[] memory uris,
        address[] memory feeRecipients,
        uint256[] memory feeAmounts
    ) external returns (uint256 startId, uint256 endId);

    /// @notice Mint `tokenId` to to` with `uri`
    ///         Because not all tokenIds have incremental ids
    ///         be careful with this function, it does not increment lastTokenId
    ///         and expects the minter to actually know what it is doing.
    ///         this also means, this function does not verify _maxTokenId
    /// @param to address of recipient
    /// @param uri token metadata uri
    /// @param tokenId token id wanted
    /// @param feeRecipient the recipient of royalties
    /// @param feeAmount the royalties amount. From 0 to 10000
    ///        where 10000 == 100.00%; 1000 == 10.00%; 250 == 2.50%
    /// @param transferTo the address to transfer the NFT to after mint
    ///        this is used when we want to mint the NFT to the creator address
    ///        before transferring it to a recipient
    /// @return tokenId the tokenId
    function mint(
        address to,
        string memory uri,
        uint256 tokenId_,
        address feeRecipient,
        uint256 feeAmount,
        address transferTo
    ) external returns (uint256 tokenId);

    /// @notice Mint batch tokens to `to[i]` with `uris[i]`
    ///         Because not all tokenIds have incremental ids
    ///         be careful with this function, it does not increment lastTokenId
    ///         and expects the minter to actually know what it's doing.
    ///         this also means, this function does not verify _maxTokenId
    /// @param to array of address of recipients
    /// @param uris array of token metadata uris
    /// @param tokenIds array of token ids wanted
    /// @param feeRecipients the recipients of royalties for each id
    /// @param feeAmounts the royalties amounts for each id. From 0 to 10000
    ///        where 10000 == 100.00%; 1000 == 10.00%; 250 == 2.50%
    function mintBatch(
        address[] memory to,
        string[] memory uris,
        uint256[] memory tokenIds,
        address[] memory feeRecipients,
        uint256[] memory feeAmounts
    ) external;

    /// @notice Attach a module
    /// @param module a module to attach
    /// @param enabled if the module is enabled by default
    /// @param canModuleMint if the module has to be given the minter role
    function attachModule(
        address module,
        bool enabled,
        bool canModuleMint
    ) external;

    /// @dev Allows owner to enable a module
    /// @param module to enable
    /// @param canModuleMint if the module has to be given the minter role
    function enableModule(address module, bool canModuleMint) external;

    /// @dev Allows owner to disable a module
    /// @param module to disable
    function disableModule(address module, bool keepListeners) external;

    /// @notice allows to force the collection to start ids at 0
    function startAtZero() external;

    /// @notice function that returns a string that can be used to render the current token
    /// @param tokenId tokenId
    /// @return the URI to render token
    function renderTokenURI(uint256 tokenId)
        external
        view
        returns (string memory);
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

import '@openzeppelin/contracts/utils/introspection/IERC165.sol';

interface INFModule is IERC165 {
    /// @notice Called by a Token Registry whenever the module is Attached
    /// @return if the attach worked
    function onAttach() external returns (bool);

    /// @notice Called by a Token Registry whenever the module is Enabled
    /// @return if the enabling worked
    function onEnable() external returns (bool);

    /// @notice Called by a Token Registry whenever the module is Disabled
    function onDisable() external;

    /// @notice returns an URI with information about the module
    /// @return the URI where to find information about the module
    function contractURI() external view returns (string memory);
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

interface INFModuleTokenURI {
    function tokenURI(address registry, uint256 tokenId)
        external
        view
        returns (string memory);
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

interface INFModuleWithRoyalties {
    /// @notice Return royalties (recipient, basisPoint) for tokenId
    /// @dev Contrary to EIP2981, modules are expected to return basisPoint for second parameters
    ///      This in order to allow right royalties on marketplaces not supporting 2981 (like Rarible)
    /// @param registry registry to check id of
    /// @param tokenId token to check
    /// @return recipient and basisPoint for this tokenId
    function royaltyInfo(address registry, uint256 tokenId)
        external
        view
        returns (address recipient, uint256 basisPoint);
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

import '@openzeppelin/contracts/utils/structs/EnumerableSet.sol';
import '@openzeppelin/contracts/utils/introspection/ERC165.sol';
import './INFModule.sol';

/// @title NFBaseModule
/// @author Simon Fremaux (@dievardump)
contract NFBaseModule is INFModule, ERC165 {
    using EnumerableSet for EnumerableSet.AddressSet;

    EnumerableSet.AddressSet internal _attached;

    event NewContractURI(string contractURI);

    string private _contractURI;

    modifier onlyAttached(address registry) {
        require(_attached.contains(registry), '!NOT_ATTACHED!');
        _;
    }

    constructor(string memory contractURI_) {
        _setContractURI(contractURI_);
    }

    /// @inheritdoc	INFModule
    function contractURI()
        external
        view
        virtual
        override
        returns (string memory)
    {
        return _contractURI;
    }

    /// @inheritdoc	INFModule
    function onAttach() external virtual override returns (bool) {
        if (_attached.add(msg.sender)) {
            return true;
        }

        revert('!ALREADY_ATTACHED!');
    }

    /// @notice this contract doesn't really care if it's enabled or not
    ///         since trying to mint on a contract where it's not enabled will fail
    /// @inheritdoc	INFModule
    function onEnable() external virtual override returns (bool) {
        return true;
    }

    /// @inheritdoc	INFModule
    function onDisable() external virtual override {}

    function _setContractURI(string memory contractURI_) internal {
        _contractURI = contractURI_;
        emit NewContractURI(contractURI_);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

/// @dev This is the interface for NFT extension mutableURI
/// @author Simon Fremaux (@dievardump)
interface IERC721WithMutableURI {
    function mutableURI(uint256 tokenId) external view returns (string memory);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

import '../Royalties/ERC2981/IERC2981Royalties.sol';
import '../Royalties/RaribleSecondarySales/IRaribleSecondarySales.sol';
import '../Royalties/FoundationSecondarySales/IFoundationSecondarySales.sol';

/// @dev This is a contract used for royalties on various platforms
/// @author Simon Fremaux (@dievardump)
interface IERC721WithRoyalties is
    IERC2981Royalties,
    IRaribleSecondarySales,
    IFoundationSecondarySales
{

}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

import '@openzeppelin/contracts-upgradeable/token/ERC721/IERC721Upgradeable.sol';

import './ERC721/IERC721WithRoyalties.sol';
import './ERC721/IERC721WithMutableURI.sol';

/// @title ERC721Full
/// @dev This contains all the different overrides needed on
///      ERC721 / URIStorage / Royalties
///      This contract does not use ERC721enumerable because Enumerable adds quite some
///      gas to minting costs and I am trying to make this cheap for creators.
///      Also, since all NiftyForge contracts will be fully indexed in TheGraph it will easily
///      Be possible to get tokenIds of an owner off-chain, before passing them to a contract
///      which can verify ownership at the processing time
/// @author Simon Fremaux (@dievardump)
interface IERC721Full is
    IERC721Upgradeable,
    IERC721WithRoyalties,
    IERC721WithMutableURI
{
    function baseURI() external view returns (string memory);

    function contractURI() external view returns (string memory);

    /// @notice This is a generic function that allows this contract's owner to withdraw
    ///         any balance / ERC20 / ERC721 / ERC1155 it can have
    ///         this contract has no payable nor receive function so it should not get any nativ token
    ///         but this could save some ERC20, 721 or 1155
    /// @param token the token to withdraw from. address(0) means native chain token
    /// @param amount the amount to withdraw if native token, erc20 or erc1155 - must be 0 for ERC721
    /// @param tokenId the tokenId to withdraw for ERC1155 and ERC721
    function withdraw(
        address token,
        uint256 amount,
        uint256 tokenId
    ) external;

    /// @notice Helper to know if an address can do the action an Editor can
    /// @param account the address to check
    function canEdit(address account) external view returns (bool);

    /// @notice Helper to know if an address can do the action a Minter can
    /// @param account the address to check
    function canMint(address account) external view returns (bool);

    /// @notice Helper to know if an address is editor
    /// @param account the address to check
    function isEditor(address account) external view returns (bool);

    /// @notice Helper to know if an address is minter
    /// @param account the address to check
    function isMinter(address account) external view returns (bool);

    /// @notice Allows to get approved using a permit and transfer in the same call
    /// @dev this supposes that the permit is for msg.sender
    /// @param from current owner
    /// @param to recipient
    /// @param tokenId the token id
    /// @param _data optional data to add
    /// @param deadline the deadline for the permit to be used
    /// @param signature of permit
    function safeTransferFromWithPermit(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data,
        uint256 deadline,
        bytes memory signature
    ) external;

    /// @notice Set the base token URI
    /// @dev only an editor can do that (account or module)
    /// @param baseURI_ the new base token uri used in tokenURI()
    function setBaseURI(string memory baseURI_) external;

    /// @notice Set the base mutable meta URI for tokens
    /// @param baseMutableURI_ the new base for mutable meta uri used in mutableURI()
    function setBaseMutableURI(string memory baseMutableURI_) external;

    /// @notice Set the mutable URI for a token
    /// @dev    Mutable URI work like tokenURI
    ///         -> if there is a baseMutableURI and a mutableURI, concat baseMutableURI + mutableURI
    ///         -> else if there is only mutableURI, return mutableURI
    //.         -> else if there is only baseMutableURI, concat baseMutableURI + tokenId
    /// @dev only an editor (account or module) can call this
    /// @param tokenId the token to set the mutable URI for
    /// @param mutableURI_ the mutable URI
    function setMutableURI(uint256 tokenId, string memory mutableURI_) external;

    /// @notice Helper for the owner to add new editors
    /// @dev needs to be owner
    /// @param users list of new editors
    function addEditors(address[] memory users) external;

    /// @notice Helper for the owner to remove editors
    /// @dev needs to be owner
    /// @param users list of removed editors
    function removeEditors(address[] memory users) external;

    /// @notice Helper for an editor to add new minter
    /// @dev needs to be owner
    /// @param users list of new minters
    function addMinters(address[] memory users) external;

    /// @notice Helper for an editor to remove minters
    /// @dev needs to be owner
    /// @param users list of removed minters
    function removeMinters(address[] memory users) external;

    /// @notice Allows to change the default royalties recipient
    /// @dev an editor can call this
    /// @param recipient new default royalties recipient
    function setDefaultRoyaltiesRecipient(address recipient) external;

    /// @notice Allows a royalty recipient of a token to change their recipient address
    /// @dev only the current token royalty recipient can change the address
    /// @param tokenId the token to change the recipient for
    /// @param recipient new default royalties recipient
    function setTokenRoyaltiesRecipient(uint256 tokenId, address recipient)
        external;

    /// @notice Helper for the owner of the contract to set the new contract URI
    /// @dev needs to be owner
    /// @param contractURI_ new contract URI
    function setContractURI(string memory contractURI_) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

/// @title IERC2981Royalties
/// @dev Interface for the ERC2981 - Token Royalty standard
interface IERC2981Royalties {
    /// @notice Called with the sale price to determine how much royalty
    //          is owed and to whom.
    /// @param _tokenId - the NFT asset queried for royalty information
    /// @param _value - the sale price of the NFT asset specified by _tokenId
    /// @return _receiver - address of who should be sent the royalty payment
    /// @return _royaltyAmount - the royalty payment amount for value sale price
    function royaltyInfo(uint256 _tokenId, uint256 _value)
        external
        view
        returns (address _receiver, uint256 _royaltyAmount);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

interface IFoundationSecondarySales {
    /// @notice returns a list of royalties recipients and the amount
    /// @param tokenId the token Id to check for
    /// @return all the recipients and their basis points, for tokenId
    function getFees(uint256 tokenId)
        external
        view
        returns (address payable[] memory, uint256[] memory);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

interface IRaribleSecondarySales {
    /// @notice returns a list of royalties recipients
    /// @param tokenId the token Id to check for
    /// @return all the recipients for tokenId
    function getFeeRecipients(uint256 tokenId)
        external
        view
        returns (address payable[] memory);

    /// @notice returns a list of royalties amounts
    /// @param tokenId the token Id to check for
    /// @return all the amounts for tokenId
    function getFeeBps(uint256 tokenId)
        external
        view
        returns (uint256[] memory);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165Upgradeable.sol";

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721Upgradeable is IERC165Upgradeable {
    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
     */
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
     */
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /**
     * @dev Returns the number of tokens in ``owner``'s account.
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) external view returns (address owner);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool _approved) external;

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes calldata data
    ) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165Upgradeable {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

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

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (security/Pausable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which allows children to implement an emergency stop
 * mechanism that can be triggered by an authorized account.
 *
 * This module is used through inheritance. It will make available the
 * modifiers `whenNotPaused` and `whenPaused`, which can be applied to
 * the functions of your contract. Note that they will not be pausable by
 * simply including this module, only once the modifiers are put in place.
 */
abstract contract Pausable is Context {
    /**
     * @dev Emitted when the pause is triggered by `account`.
     */
    event Paused(address account);

    /**
     * @dev Emitted when the pause is lifted by `account`.
     */
    event Unpaused(address account);

    bool private _paused;

    /**
     * @dev Initializes the contract in unpaused state.
     */
    constructor() {
        _paused = false;
    }

    /**
     * @dev Returns true if the contract is paused, and false otherwise.
     */
    function paused() public view virtual returns (bool) {
        return _paused;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is not paused.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    modifier whenNotPaused() {
        require(!paused(), "Pausable: paused");
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is paused.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    modifier whenPaused() {
        require(paused(), "Pausable: not paused");
        _;
    }

    /**
     * @dev Triggers stopped state.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    function _pause() internal virtual whenNotPaused {
        _paused = true;
        emit Paused(_msgSender());
    }

    /**
     * @dev Returns to normal state.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    function _unpause() internal virtual whenPaused {
        _paused = false;
        emit Unpaused(_msgSender());
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        // On the first call to nonReentrant, _notEntered will be true
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;

        _;

        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/ERC721.sol)

pragma solidity ^0.8.0;

import "./IERC721.sol";
import "./IERC721Receiver.sol";
import "./extensions/IERC721Metadata.sol";
import "../../utils/Address.sol";
import "../../utils/Context.sol";
import "../../utils/Strings.sol";
import "../../utils/introspection/ERC165.sol";

/**
 * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
 * the Metadata extension, but not including the Enumerable extension, which is available separately as
 * {ERC721Enumerable}.
 */
contract ERC721 is Context, ERC165, IERC721, IERC721Metadata {
    using Address for address;
    using Strings for uint256;

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

    // Mapping from token ID to owner address
    mapping(uint256 => address) private _owners;

    // Mapping owner address to token count
    mapping(address => uint256) private _balances;

    // Mapping from token ID to approved address
    mapping(uint256 => address) private _tokenApprovals;

    // Mapping from owner to operator approvals
    mapping(address => mapping(address => bool)) private _operatorApprovals;

    /**
     * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
        return
            interfaceId == type(IERC721).interfaceId ||
            interfaceId == type(IERC721Metadata).interfaceId ||
            super.supportsInterface(interfaceId);
    }

    /**
     * @dev See {IERC721-balanceOf}.
     */
    function balanceOf(address owner) public view virtual override returns (uint256) {
        require(owner != address(0), "ERC721: balance query for the zero address");
        return _balances[owner];
    }

    /**
     * @dev See {IERC721-ownerOf}.
     */
    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        address owner = _owners[tokenId];
        require(owner != address(0), "ERC721: owner query for nonexistent token");
        return owner;
    }

    /**
     * @dev See {IERC721Metadata-name}.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev See {IERC721Metadata-symbol}.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev See {IERC721Metadata-tokenURI}.
     */
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");

        string memory baseURI = _baseURI();
        return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : "";
    }

    /**
     * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
     * token will be the concatenation of the `baseURI` and the `tokenId`. Empty
     * by default, can be overriden in child contracts.
     */
    function _baseURI() internal view virtual returns (string memory) {
        return "";
    }

    /**
     * @dev See {IERC721-approve}.
     */
    function approve(address to, uint256 tokenId) public virtual override {
        address owner = ERC721.ownerOf(tokenId);
        require(to != owner, "ERC721: approval to current owner");

        require(
            _msgSender() == owner || isApprovedForAll(owner, _msgSender()),
            "ERC721: approve caller is not owner nor approved for all"
        );

        _approve(to, tokenId);
    }

    /**
     * @dev See {IERC721-getApproved}.
     */
    function getApproved(uint256 tokenId) public view virtual override returns (address) {
        require(_exists(tokenId), "ERC721: approved query for nonexistent token");

        return _tokenApprovals[tokenId];
    }

    /**
     * @dev See {IERC721-setApprovalForAll}.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        _setApprovalForAll(_msgSender(), operator, approved);
    }

    /**
     * @dev See {IERC721-isApprovedForAll}.
     */
    function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
        return _operatorApprovals[owner][operator];
    }

    /**
     * @dev See {IERC721-transferFrom}.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        //solhint-disable-next-line max-line-length
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");

        _transfer(from, to, tokenId);
    }

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        safeTransferFrom(from, to, tokenId, "");
    }

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) public virtual override {
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
        _safeTransfer(from, to, tokenId, _data);
    }

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * `_data` is additional data, it has no specified format and it is sent in call to `to`.
     *
     * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.
     * implement alternative mechanisms to perform token transfer, such as signature-based.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function _safeTransfer(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) internal virtual {
        _transfer(from, to, tokenId);
        require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
    }

    /**
     * @dev Returns whether `tokenId` exists.
     *
     * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
     *
     * Tokens start existing when they are minted (`_mint`),
     * and stop existing when they are burned (`_burn`).
     */
    function _exists(uint256 tokenId) internal view virtual returns (bool) {
        return _owners[tokenId] != address(0);
    }

    /**
     * @dev Returns whether `spender` is allowed to manage `tokenId`.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
        require(_exists(tokenId), "ERC721: operator query for nonexistent token");
        address owner = ERC721.ownerOf(tokenId);
        return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender));
    }

    /**
     * @dev Safely mints `tokenId` and transfers it to `to`.
     *
     * Requirements:
     *
     * - `tokenId` must not exist.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function _safeMint(address to, uint256 tokenId) internal virtual {
        _safeMint(to, tokenId, "");
    }

    /**
     * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
     * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
     */
    function _safeMint(
        address to,
        uint256 tokenId,
        bytes memory _data
    ) internal virtual {
        _mint(to, tokenId);
        require(
            _checkOnERC721Received(address(0), to, tokenId, _data),
            "ERC721: transfer to non ERC721Receiver implementer"
        );
    }

    /**
     * @dev Mints `tokenId` and transfers it to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible
     *
     * Requirements:
     *
     * - `tokenId` must not exist.
     * - `to` cannot be the zero address.
     *
     * Emits a {Transfer} event.
     */
    function _mint(address to, uint256 tokenId) internal virtual {
        require(to != address(0), "ERC721: mint to the zero address");
        require(!_exists(tokenId), "ERC721: token already minted");

        _beforeTokenTransfer(address(0), to, tokenId);

        _balances[to] += 1;
        _owners[tokenId] = to;

        emit Transfer(address(0), to, tokenId);
    }

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     *
     * Emits a {Transfer} event.
     */
    function _burn(uint256 tokenId) internal virtual {
        address owner = ERC721.ownerOf(tokenId);

        _beforeTokenTransfer(owner, address(0), tokenId);

        // Clear approvals
        _approve(address(0), tokenId);

        _balances[owner] -= 1;
        delete _owners[tokenId];

        emit Transfer(owner, address(0), tokenId);
    }

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *  As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     *
     * Emits a {Transfer} event.
     */
    function _transfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual {
        require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own");
        require(to != address(0), "ERC721: transfer to the zero address");

        _beforeTokenTransfer(from, to, tokenId);

        // Clear approvals from the previous owner
        _approve(address(0), tokenId);

        _balances[from] -= 1;
        _balances[to] += 1;
        _owners[tokenId] = to;

        emit Transfer(from, to, tokenId);
    }

    /**
     * @dev Approve `to` to operate on `tokenId`
     *
     * Emits a {Approval} event.
     */
    function _approve(address to, uint256 tokenId) internal virtual {
        _tokenApprovals[tokenId] = to;
        emit Approval(ERC721.ownerOf(tokenId), to, tokenId);
    }

    /**
     * @dev Approve `operator` to operate on all of `owner` tokens
     *
     * Emits a {ApprovalForAll} event.
     */
    function _setApprovalForAll(
        address owner,
        address operator,
        bool approved
    ) internal virtual {
        require(owner != operator, "ERC721: approve to caller");
        _operatorApprovals[owner][operator] = approved;
        emit ApprovalForAll(owner, operator, approved);
    }

    /**
     * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
     * The call is not executed if the target address is not a contract.
     *
     * @param from address representing the previous owner of the given token ID
     * @param to target address that will receive the tokens
     * @param tokenId uint256 ID of the token to be transferred
     * @param _data bytes optional data to send along with the call
     * @return bool whether the call correctly returned the expected magic value
     */
    function _checkOnERC721Received(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) private returns (bool) {
        if (to.isContract()) {
            try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
                return retval == IERC721Receiver.onERC721Received.selector;
            } catch (bytes memory reason) {
                if (reason.length == 0) {
                    revert("ERC721: transfer to non ERC721Receiver implementer");
                } else {
                    assembly {
                        revert(add(32, reason), mload(reason))
                    }
                }
            }
        } else {
            return true;
        }
    }

    /**
     * @dev Hook that is called before any token transfer. This includes minting
     * and burning.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, ``from``'s `tokenId` will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual {}
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721 is IERC165 {
    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
     */
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
     */
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /**
     * @dev Returns the number of tokens in ``owner``'s account.
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) external view returns (address owner);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool _approved) external;

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes calldata data
    ) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.0;

/**
 * @title ERC721 token receiver interface
 * @dev Interface for any contract that wants to support safeTransfers
 * from ERC721 asset contracts.
 */
interface IERC721Receiver {
    /**
     * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
     * by `operator` from `from`, this function is called.
     *
     * It must return its Solidity selector to confirm the token transfer.
     * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
     *
     * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC721.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Metadata is IERC721 {
    /**
     * @dev Returns the token collection name.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the token collection symbol.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    function tokenURI(uint256 tokenId) external view returns (string memory);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Address.sol)

pragma solidity ^0.8.0;

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

        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (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

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 *
 * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/structs/EnumerableSet.sol)

pragma solidity ^0.8.0;

/**
 * @dev Library for managing
 * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
 * types.
 *
 * Sets have the following properties:
 *
 * - Elements are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Elements are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```
 * contract Example {
 *     // Add the library methods
 *     using EnumerableSet for EnumerableSet.AddressSet;
 *
 *     // Declare a set state variable
 *     EnumerableSet.AddressSet private mySet;
 * }
 * ```
 *
 * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
 * and `uint256` (`UintSet`) are supported.
 */
library EnumerableSet {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.

    struct Set {
        // Storage of set values
        bytes32[] _values;
        // Position of the value in the `values` array, plus 1 because index 0
        // means a value is not in the set.
        mapping(bytes32 => uint256) _indexes;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function _add(Set storage set, bytes32 value) private returns (bool) {
        if (!_contains(set, value)) {
            set._values.push(value);
            // The value is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            set._indexes[value] = set._values.length;
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function _remove(Set storage set, bytes32 value) private returns (bool) {
        // We read and store the value's index to prevent multiple reads from the same storage slot
        uint256 valueIndex = set._indexes[value];

        if (valueIndex != 0) {
            // Equivalent to contains(set, value)
            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
            // the array, and then remove the last element (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 toDeleteIndex = valueIndex - 1;
            uint256 lastIndex = set._values.length - 1;

            if (lastIndex != toDeleteIndex) {
                bytes32 lastvalue = set._values[lastIndex];

                // Move the last value to the index where the value to delete is
                set._values[toDeleteIndex] = lastvalue;
                // Update the index for the moved value
                set._indexes[lastvalue] = valueIndex; // Replace lastvalue's index to valueIndex
            }

            // Delete the slot where the moved value was stored
            set._values.pop();

            // Delete the index for the deleted slot
            delete set._indexes[value];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function _contains(Set storage set, bytes32 value) private view returns (bool) {
        return set._indexes[value] != 0;
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function _length(Set storage set) private view returns (uint256) {
        return set._values.length;
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function _at(Set storage set, uint256 index) private view returns (bytes32) {
        return set._values[index];
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function _values(Set storage set) private view returns (bytes32[] memory) {
        return set._values;
    }

    // Bytes32Set

    struct Bytes32Set {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _add(set._inner, value);
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _remove(set._inner, value);
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
        return _contains(set._inner, value);
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(Bytes32Set storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
        return _at(set._inner, index);
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {
        return _values(set._inner);
    }

    // AddressSet

    struct AddressSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(AddressSet storage set, address value) internal returns (bool) {
        return _add(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(AddressSet storage set, address value) internal returns (bool) {
        return _remove(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(AddressSet storage set, address value) internal view returns (bool) {
        return _contains(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(AddressSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(AddressSet storage set, uint256 index) internal view returns (address) {
        return address(uint160(uint256(_at(set._inner, index))));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(AddressSet storage set) internal view returns (address[] memory) {
        bytes32[] memory store = _values(set._inner);
        address[] memory result;

        assembly {
            result := store
        }

        return result;
    }

    // UintSet

    struct UintSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UintSet storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UintSet storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UintSet storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function length(UintSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(UintSet storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(UintSet storage set) internal view returns (uint256[] memory) {
        bytes32[] memory store = _values(set._inner);
        uint256[] memory result;

        assembly {
            result := store
        }

        return result;
    }
}

// SPDX-License-Identifier: GPL-3.0

/// @title The NiftyPride Auction House

/************************************
 * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ *
 * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ *
 * ░░████░░████░░██░░████░░░░████░░ *
 * ░░█░░█░░█░░█░░██░░█░░░█░░░█░░░░░ *
 * ░░████░░███░░░██░░█░░░░█░░███░░░ *
 * ░░█░░░░░█░█░░░██░░█░░░█░░░█░░░░░ *
 * ░░█░░░░░█░░█░░██░░████░░░░████░░ *
 * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ *
 ***********************************/

// LICENSE
// NiftyPrideAuctionHouse.sol is a modified version of Noun's NounsAuctionHouse.sol:
// https://github.com/nounsDAO/nouns-monorepo/blob/17e61ecaf6f1c66ca8035bf4e0c3c8dae58ca937/packages/nouns-contracts/contracts/NounsAuctionHouse.sol
//
// and is published under the same GPL-3.0 license

pragma solidity ^0.8.6;

import {Pausable} from '@openzeppelin/contracts/security/Pausable.sol';
import {ReentrancyGuard} from '@openzeppelin/contracts/security/ReentrancyGuard.sol';
import {Ownable} from '@openzeppelin/contracts/access/Ownable.sol';
import {IERC20} from '@openzeppelin/contracts/token/ERC20/IERC20.sol';
import {ERC721} from '@openzeppelin/contracts/token/ERC721/ERC721.sol';

import {IAuctionHouse} from './interfaces/IAuctionHouse.sol';
import {IWETH} from './interfaces/IWETH.sol';

contract NiftyPrideAuctionHouse is
    IAuctionHouse,
    Pausable,
    ReentrancyGuard,
    Ownable
{
    error WrongAuction();
    error AuctionExpired();
    error ReservePriceNotMet();
    error BidTooLow();

    error AuctionNotStarted();
    error AuctionAlreadySettled();
    error AuctionNotEnded();

    error RegistryNotSet();

    /// @notice The address of the WETH contract
    address public weth;

    /// @notice The minimum amount of time left in an auction after a new bid is created
    uint256 public timeBuffer = 10 minutes;

    /// @notice The minimum price accepted in an auction
    uint256 public reservePrice = 0.01 ether;

    /// @notice The minimum percentage difference between the last bid amount and the current bid
    uint8 public minBidIncrementPercentage = 5;

    /// @notice The duration of a single auction
    uint256 public duration = 24 hours;

    /// @notice The active auction
    IAuctionHouse.Auction public auction;

    constructor(address weth_) {
        _pause();

        if (block.chainid == 1) {
            weth = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
        } else if (block.chainid == 4) {
            weth = 0xc778417E063141139Fce010982780140Aa0cD5Ab;
        } else {
            weth = weth_;
        }
    }

    ////////////////////////////////////////////////////
    ///// Public                                      //
    ////////////////////////////////////////////////////

    /**
     * @notice Settle the current auction, mint a new token, and put it up for auction.
     */
    function settleCurrentAndCreateNewAuction()
        external
        override
        nonReentrant
        whenNotPaused
    {
        _settleAuction();
        _createAuction();
    }

    /**
     * @notice Settle the current auction.
     * @dev This function can only be called when the contract is paused.
     */
    function settleAuction() external override whenPaused nonReentrant {
        _settleAuction();
    }

    /**
     * @notice Create a bid for a token, with a given amount.
     * @dev This contract only accepts payment in ETH.
     */
    function createBid(uint256 tokenId) external payable override nonReentrant {
        IAuctionHouse.Auction memory _auction = auction;

        if (_auction.tokenId != tokenId) revert WrongAuction();
        if (block.timestamp >= _auction.endTime) revert AuctionExpired();
        if (msg.value < reservePrice) revert ReservePriceNotMet();

        if (
            msg.value <
            _auction.amount +
                ((_auction.amount * minBidIncrementPercentage) / 100)
        ) {
            revert BidTooLow();
        }

        address payable lastBidder = _auction.bidder;

        // Refund the last bidder, if applicable
        if (lastBidder != address(0)) {
            _safeTransferETHWithFallback(lastBidder, _auction.amount);
        }

        auction.amount = msg.value;
        auction.bidder = payable(msg.sender);

        // Extend the auction if the bid was received within `timeBuffer` of the auction end time
        bool extended = _auction.endTime - block.timestamp < timeBuffer;
        if (extended) {
            auction.endTime = _auction.endTime = block.timestamp + timeBuffer;
        }

        emit AuctionBid(_auction.tokenId, msg.sender, msg.value, extended);

        if (extended) {
            emit AuctionExtended(_auction.tokenId, _auction.endTime);
        }
    }

    ////////////////////////////////////////////////////
    ///// Contract owner                              //
    ////////////////////////////////////////////////////

    /**
     * @notice Pause the auction house.
     * @dev This function can only be called by the owner when the
     * contract is unpaused. While no new auctions can be started when paused,
     * anyone can settle an ongoing auction.
     */
    function pause() external override onlyOwner {
        _pause();
    }

    /**
     * @notice Unpause the auction house.
     * @dev This function can only be called by the owner when the
     * contract is paused. If required, this function will start a new auction.
     */
    function unpause() external override onlyOwner {
        _unpause();

        if (auction.startTime == 0 || auction.settled) {
            _createAuction();
        }
    }

    /**
     * @notice Set the auction time buffer.
     * @dev Only callable by the owner.
     */
    function setTimeBuffer(uint256 _timeBuffer) external override onlyOwner {
        timeBuffer = _timeBuffer;

        emit AuctionTimeBufferUpdated(_timeBuffer);
    }

    /**
     * @notice Set the auction reserve price.
     * @dev Only callable by the owner.
     */
    function setReservePrice(uint256 _reservePrice)
        external
        override
        onlyOwner
    {
        reservePrice = _reservePrice;

        emit AuctionReservePriceUpdated(_reservePrice);
    }

    /**
     * @notice Set the auction minimum bid increment percentage.
     * @dev Only callable by the owner.
     */
    function setMinBidIncrementPercentage(uint8 _minBidIncrementPercentage)
        external
        override
        onlyOwner
    {
        minBidIncrementPercentage = _minBidIncrementPercentage;

        emit AuctionMinBidIncrementPercentageUpdated(
            _minBidIncrementPercentage
        );
    }

    ////////////////////////////////////////////////////
    ///// Internals                             //
    ////////////////////////////////////////////////////

    /**
     * @notice Create an auction.
     * @dev Store the auction details in the `auction` state variable and emit an AuctionCreated event.
     * If the mint reverts, the minter was updated without pausing this contract first. To remedy this,
     * catch the revert and pause this contract.
     */
    function _createAuction() internal virtual {
        uint256 tokenId = _mintNext();

        if (tokenId > 0) {
            uint256 startTime = block.timestamp;
            uint256 endTime = startTime + duration;

            auction = Auction({
                tokenId: tokenId,
                amount: 0,
                startTime: startTime,
                endTime: endTime,
                bidder: payable(0),
                settled: false
            });

            emit AuctionCreated(tokenId, startTime, endTime);
        } else {
            _pause();
        }
    }

    /**
     * @notice Settle an auction, finalizing the bid and paying out to the owner.
     * @dev If there are no bids, the token is sent to the current contract owner (and after to its creator).
     */
    function _settleAuction() internal {
        IAuctionHouse.Auction memory _auction = auction;

        if (_auction.startTime == 0) revert AuctionNotStarted();
        if (_auction.settled) revert AuctionAlreadySettled();
        if (block.timestamp < _auction.endTime) revert AuctionNotEnded();

        auction.settled = true;

        ERC721(_getRegistry()).transferFrom(
            address(this),
            (
                _auction.bidder == address(0)
                    ? owner() // if no bidder, send to owner() so it can go back to creator
                    : _auction.bidder
            ),
            _auction.tokenId
        );

        if (_auction.amount > 0) {
            _transferToRecipients(_auction.tokenId, _auction.amount);
        }

        emit AuctionSettled(_auction.tokenId, _auction.bidder, _auction.amount);
    }

    /**
     * @notice Transfer ETH. If the ETH transfer fails, wrap the ETH and try send it as WETH.
     */
    function _safeTransferETHWithFallback(address to, uint256 amount) internal {
        if (!_safeTransferETH(to, amount)) {
            IWETH(weth).deposit{value: amount}();
            IERC20(weth).transfer(to, amount);
        }
    }

    /**
     * @notice Transfer ETH and return the success status.
     * @dev This function only forwards 30,000 gas to the callee.
     */
    function _safeTransferETH(address to, uint256 value)
        internal
        returns (bool)
    {
        (bool success, ) = to.call{value: value, gas: 30_000}(new bytes(0));
        return success;
    }

    /// @dev internal function to allow transfer to revenue recipient(s), default to owner()
    function _transferToRecipients(uint256, uint256 amount) internal virtual {
        _safeTransferETHWithFallback(owner(), amount);
    }

    /// @dev internal function to mint next token, must be overrode
    function _mintNext() internal virtual returns (uint256) {
        return 0;
    }

    /// @dev internal function to get nft contract holder, must be overrode
    function _getRegistry() internal virtual returns (address) {
        return address(0);
    }
}

pragma solidity ^0.8.0;

interface IRenderer {
    function description() external view returns (string memory);

    function render(bytes32 seed)
        external
        view
        returns (string memory, string memory);
}

// SPDX-License-Identifier: GPL-3.0

/// @title Interface for Auction Houses

/// modified from INounAuctionHouse.sol

pragma solidity ^0.8.6;

interface IAuctionHouse {
    struct Auction {
        // ID for the token (ERC721 token ID)
        uint256 tokenId;
        // The current highest bid amount
        uint256 amount;
        // The time that the auction started
        uint256 startTime;
        // The time that the auction is scheduled to end
        uint256 endTime;
        // The address of the current highest bid
        address payable bidder;
        // Whether or not the auction has been settled
        bool settled;
    }

    event AuctionCreated(
        uint256 indexed tokenId,
        uint256 startTime,
        uint256 endTime
    );

    event AuctionBid(
        uint256 indexed tokenId,
        address sender,
        uint256 value,
        bool extended
    );

    event AuctionExtended(uint256 indexed tokenId, uint256 endTime);

    event AuctionSettled(
        uint256 indexed tokenId,
        address winner,
        uint256 amount
    );

    event AuctionTimeBufferUpdated(uint256 timeBuffer);

    event AuctionReservePriceUpdated(uint256 reservePrice);

    event AuctionMinBidIncrementPercentageUpdated(
        uint256 minBidIncrementPercentage
    );

    function settleAuction() external;

    function settleCurrentAndCreateNewAuction() external;

    function createBid(uint256 tokenId) external payable;

    function pause() external;

    function unpause() external;

    function setTimeBuffer(uint256 timeBuffer) external;

    function setReservePrice(uint256 reservePrice) external;

    function setMinBidIncrementPercentage(uint8 minBidIncrementPercentage)
        external;
}

// SPDX-License-Identifier: GPL-3.0

pragma solidity ^0.8.6;

interface IBokkyPooBahsDateTimeContract {
    function timestampToDateTime(uint256 timestamp)
        external
        pure
        returns (
            uint256 year,
            uint256 month,
            uint256 day,
            uint256 hour,
            uint256 minute,
            uint256 second
        );
}

// SPDX-License-Identifier: GPL-3.0

pragma solidity ^0.8.6;

interface IWETH {
    function deposit() external payable;

    function withdraw(uint256 wad) external;

    function transfer(address to, uint256 value) external returns (bool);
}

pragma solidity ^0.8.0;

// SPDX-License-Identifier: MIT

/// @title Base64
/// @author Brecht Devos - <[email protected]>
/// @notice Provides a function for encoding some bytes in base64

/// modified to add some utility functions
library Base64 {
    string internal constant TABLE =
        'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';

    function encode(bytes memory data) internal pure returns (string memory) {
        if (data.length == 0) return '';

        // load the table into memory
        string memory table = TABLE;

        // multiply by 4/3 rounded up
        uint256 encodedLen = 4 * ((data.length + 2) / 3);

        // add some extra buffer at the end required for the writing
        string memory result = new string(encodedLen + 32);

        assembly {
            // set the actual output length
            mstore(result, encodedLen)

            // prepare the lookup table
            let tablePtr := add(table, 1)

            // input ptr
            let dataPtr := data
            let endPtr := add(dataPtr, mload(data))

            // result ptr, jump over length
            let resultPtr := add(result, 32)

            // run over the input, 3 bytes at a time
            for {

            } lt(dataPtr, endPtr) {

            } {
                dataPtr := add(dataPtr, 3)

                // read 3 bytes
                let input := mload(dataPtr)

                // write 4 characters
                mstore(
                    resultPtr,
                    shl(248, mload(add(tablePtr, and(shr(18, input), 0x3F))))
                )
                resultPtr := add(resultPtr, 1)
                mstore(
                    resultPtr,
                    shl(248, mload(add(tablePtr, and(shr(12, input), 0x3F))))
                )
                resultPtr := add(resultPtr, 1)
                mstore(
                    resultPtr,
                    shl(248, mload(add(tablePtr, and(shr(6, input), 0x3F))))
                )
                resultPtr := add(resultPtr, 1)
                mstore(
                    resultPtr,
                    shl(248, mload(add(tablePtr, and(input, 0x3F))))
                )
                resultPtr := add(resultPtr, 1)
            }

            // padding with '='
            switch mod(mload(data), 3)
            case 1 {
                mstore(sub(resultPtr, 2), shl(240, 0x3d3d))
            }
            case 2 {
                mstore(sub(resultPtr, 1), shl(248, 0x3d))
            }
        }

        return result;
    }

    function toB64JSON(bytes memory toEncode)
        internal
        pure
        returns (string memory)
    {
        return
            string(
                abi.encodePacked(
                    'data:application/json;base64,',
                    encode(toEncode)
                )
            );
    }

    function toB64JSON(string memory toEncode)
        internal
        pure
        returns (string memory)
    {
        return toB64JSON(bytes(toEncode));
    }

    function toB64SVG(bytes memory toEncode)
        internal
        pure
        returns (string memory)
    {
        return
            string(
                abi.encodePacked('data:image/svg+xml;base64,', encode(toEncode))
            );
    }

    function toB64SVG(string memory toEncode)
        internal
        pure
        returns (string memory)
    {
        return toB64SVG(bytes(toEncode));
    }
}

{
  "evmVersion": "london",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

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0000000000000000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : weth_ (address): 0x0000000000000000000000000000000000000000

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000000