Token

Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
pragma solidity 0.8.20;

import "@openzeppelin/v4.9.2/token/ERC721/ERC721.sol";

import "@openzeppelin/v4.9.2/utils/introspection/ERC165.sol";

import "@openzeppelin/v4.9.2/token/common/ERC2981.sol";

import "@openzeppelin/v4.9.2/access/Ownable.sol";

/**
 * @title NieuxCollective
 * @dev Implementation of the NieuxCollective
 * @author Ryan Meyers - strangeruff.eth
 */
contract NieuxCollective is ERC721, Ownable, ERC2981 {
    address private _receiver;
    uint256 public nextTokenId = 505;
    string public baseURI =
        "ipfs://ipfs://bafybeibqj3m675dqsnv7x7qax236n5ysjcuqlcefbec5vq4snlrhxuh4ca/";

    /**
     * @dev Sets the values for {name} and {symbol}, initializes {decimals} with
     * a default value of 18.
     *
     * To select a different value for {decimals}, use {_setupDecimals}.
     *
     * All three of these values are immutable: they can only be set once during
     * construction.
     */
    constructor() ERC721("Nieux Collective", "NIEUX") {
        _setDefaultRoyalty(msg.sender, 500);
    }

    /**
     * @dev Airdrops a token to a given address
     * @param to address to receive the token
     */
    function airdropOne(address to) external onlyOwner {
        _safeMint(to, nextTokenId);
        nextTokenId += 1;
    }

    /**
     * @dev Airdrops multiple tokens to multiple addresses
     * @param to array of addresses to receive the tokens
     */
    function airdropMany(address[] calldata to) external onlyOwner {
        for (uint i = 0; i < to.length; ) {
            _safeMint(to[i], nextTokenId + i);
        }
        nextTokenId += to.length;
    }

    /**
     * @dev Airdrops specific tokens to specific addresses
     * @param to array of addresses to receive the tokens
     * @param tokenIds array of token ids to be airdropped
     */
    function airdropFounders(
        address[] calldata to,
        uint256[] calldata tokenIds
    ) external onlyOwner {
        if (nextTokenId != 505) {
            revert InvalidParameters();
        }

        if (to.length != tokenIds.length) {
            revert InvalidParameters();
        }

        for (uint i = 0; i < to.length; ) {
            _mint(to[i], tokenIds[i]);

            unchecked {
                i++;
            }
        }
    }

    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * @param interfaceId The interface identifier, as specified in ERC-165
     */
    function supportsInterface(
        bytes4 interfaceId
    ) public view virtual override(ERC721, ERC2981) returns (bool) {
        return
            ERC721.supportsInterface(interfaceId) ||
            ERC2981.supportsInterface(interfaceId) ||
            super.supportsInterface(interfaceId);
    }

    /**
     * @dev Sets the base URI for all token IDs. It is automatically added as a prefix to the
     * value returned in {tokenURI}, or to the token ID if {tokenURI} is empty.
     * @param uri the base URI to be set
     */
    function setBaseURI(string memory uri) external onlyOwner {
        baseURI = uri;
        emit BatchMetadataUpdate(1, type(uint256).max);
    }

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     * @param tokenId uint256 ID of the token to query
     */
    function tokenURI(
        uint256 tokenId
    ) public view virtual override returns (string memory) {
        if (!_exists(tokenId)) revert URIQueryForNonexistentToken();
        return
            bytes(baseURI).length != 0
                ? string(abi.encodePacked(baseURI, _toString(tokenId), ".json"))
                : "";
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` representation.
     * @param value uint256 value to convert to string
     */
    function _toString(
        uint256 value
    ) internal pure virtual returns (string memory str) {
        assembly {
            let m := add(mload(0x40), 0xa0)
            mstore(0x40, m)
            str := sub(m, 0x20)
            mstore(str, 0)

            let end := str

            for {
                let temp := value
            } 1 {

            } {
                str := sub(str, 1)
                mstore8(str, add(48, mod(temp, 10)))
                temp := div(temp, 10)
                if iszero(temp) {
                    break
                }
            }

            let length := sub(end, str)
            str := sub(str, 0x20)
            mstore(str, length)
        }
    }

    /**
     * @dev Withdraws the contract balance to the receiver address
     */
    function withdraw() public payable {
        (bool sent, bytes memory data) = payable(_receiver).call{
            value: address(this).balance
        }("");
        require(sent, "Failed to send Ether");
    }

    /**
     * @dev Sets the default royalty for the contract
     * @param receiver address to receive the royalty
     * @param feeNumerator the royalty fee numerator
     */
    function setDefaultRoyalty(
        address receiver,
        uint96 feeNumerator
    ) public payable onlyOwner {
        _receiver = receiver;
        _setDefaultRoyalty(_receiver, feeNumerator);
    }

    /**
     * @dev Error to be thrown when a URI is queried for a nonexistent token
     */
    error URIQueryForNonexistentToken();
    /**
     * @dev Error to be thrown when invalid parameters are provided
     */
    error InvalidParameters();

    /**
     * @dev Event to be emitted when metadata is updated
     * @param _fromTokenId the start token id of the batch
     * @param _toTokenId the end token id of the batch
     */
    event BatchMetadataUpdate(uint256 _fromTokenId, uint256 _toTokenId);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (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 Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

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

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling 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 (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/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 (last updated v4.9.0) (token/common/ERC2981.sol)

pragma solidity ^0.8.0;

import "../../interfaces/IERC2981.sol";
import "../../utils/introspection/ERC165.sol";

/**
 * @dev Implementation of the NFT Royalty Standard, a standardized way to retrieve royalty payment information.
 *
 * Royalty information can be specified globally for all token ids via {_setDefaultRoyalty}, and/or individually for
 * specific token ids via {_setTokenRoyalty}. The latter takes precedence over the first.
 *
 * Royalty is specified as a fraction of sale price. {_feeDenominator} is overridable but defaults to 10000, meaning the
 * fee is specified in basis points by default.
 *
 * IMPORTANT: ERC-2981 only specifies a way to signal royalty information and does not enforce its payment. See
 * https://eips.ethereum.org/EIPS/eip-2981#optional-royalty-payments[Rationale] in the EIP. Marketplaces are expected to
 * voluntarily pay royalties together with sales, but note that this standard is not yet widely supported.
 *
 * _Available since v4.5._
 */
abstract contract ERC2981 is IERC2981, ERC165 {
    struct RoyaltyInfo {
        address receiver;
        uint96 royaltyFraction;
    }

    RoyaltyInfo private _defaultRoyaltyInfo;
    mapping(uint256 => RoyaltyInfo) private _tokenRoyaltyInfo;

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC165) returns (bool) {
        return interfaceId == type(IERC2981).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @inheritdoc IERC2981
     */
    function royaltyInfo(uint256 tokenId, uint256 salePrice) public view virtual override returns (address, uint256) {
        RoyaltyInfo memory royalty = _tokenRoyaltyInfo[tokenId];

        if (royalty.receiver == address(0)) {
            royalty = _defaultRoyaltyInfo;
        }

        uint256 royaltyAmount = (salePrice * royalty.royaltyFraction) / _feeDenominator();

        return (royalty.receiver, royaltyAmount);
    }

    /**
     * @dev The denominator with which to interpret the fee set in {_setTokenRoyalty} and {_setDefaultRoyalty} as a
     * fraction of the sale price. Defaults to 10000 so fees are expressed in basis points, but may be customized by an
     * override.
     */
    function _feeDenominator() internal pure virtual returns (uint96) {
        return 10000;
    }

    /**
     * @dev Sets the royalty information that all ids in this contract will default to.
     *
     * Requirements:
     *
     * - `receiver` cannot be the zero address.
     * - `feeNumerator` cannot be greater than the fee denominator.
     */
    function _setDefaultRoyalty(address receiver, uint96 feeNumerator) internal virtual {
        require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice");
        require(receiver != address(0), "ERC2981: invalid receiver");

        _defaultRoyaltyInfo = RoyaltyInfo(receiver, feeNumerator);
    }

    /**
     * @dev Removes default royalty information.
     */
    function _deleteDefaultRoyalty() internal virtual {
        delete _defaultRoyaltyInfo;
    }

    /**
     * @dev Sets the royalty information for a specific token id, overriding the global default.
     *
     * Requirements:
     *
     * - `receiver` cannot be the zero address.
     * - `feeNumerator` cannot be greater than the fee denominator.
     */
    function _setTokenRoyalty(uint256 tokenId, address receiver, uint96 feeNumerator) internal virtual {
        require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice");
        require(receiver != address(0), "ERC2981: Invalid parameters");

        _tokenRoyaltyInfo[tokenId] = RoyaltyInfo(receiver, feeNumerator);
    }

    /**
     * @dev Resets royalty information for the token id back to the global default.
     */
    function _resetTokenRoyalty(uint256 tokenId) internal virtual {
        delete _tokenRoyaltyInfo[tokenId];
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC2981.sol)

pragma solidity ^0.8.0;

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

/**
 * @dev Interface for the NFT Royalty Standard.
 *
 * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal
 * support for royalty payments across all NFT marketplaces and ecosystem participants.
 *
 * _Available since v4.5._
 */
interface IERC2981 is IERC165 {
    /**
     * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of
     * exchange. The royalty amount is denominated and should be paid in that same unit of exchange.
     */
    function royaltyInfo(
        uint256 tokenId,
        uint256 salePrice
    ) external view returns (address receiver, uint256 royaltyAmount);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (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: address zero is not a valid owner");
        return _balances[owner];
    }

    /**
     * @dev See {IERC721-ownerOf}.
     */
    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        address owner = _ownerOf(tokenId);
        require(owner != address(0), "ERC721: invalid token ID");
        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) {
        _requireMinted(tokenId);

        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 overridden 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 token owner or approved for all"
        );

        _approve(to, tokenId);
    }

    /**
     * @dev See {IERC721-getApproved}.
     */
    function getApproved(uint256 tokenId) public view virtual override returns (address) {
        _requireMinted(tokenId);

        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: caller is not token owner or 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: caller is not token owner or 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 the owner of the `tokenId`. Does NOT revert if token doesn't exist
     */
    function _ownerOf(uint256 tokenId) internal view virtual returns (address) {
        return _owners[tokenId];
    }

    /**
     * @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 _ownerOf(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) {
        address owner = ERC721.ownerOf(tokenId);
        return (spender == owner || isApprovedForAll(owner, spender) || getApproved(tokenId) == 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, 1);

        // Check that tokenId was not minted by `_beforeTokenTransfer` hook
        require(!_exists(tokenId), "ERC721: token already minted");

        unchecked {
            // Will not overflow unless all 2**256 token ids are minted to the same owner.
            // Given that tokens are minted one by one, it is impossible in practice that
            // this ever happens. Might change if we allow batch minting.
            // The ERC fails to describe this case.
            _balances[to] += 1;
        }

        _owners[tokenId] = to;

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

        _afterTokenTransfer(address(0), to, tokenId, 1);
    }

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     * This is an internal function that does not check if the sender is authorized to operate on the token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     *
     * Emits a {Transfer} event.
     */
    function _burn(uint256 tokenId) internal virtual {
        address owner = ERC721.ownerOf(tokenId);

        _beforeTokenTransfer(owner, address(0), tokenId, 1);

        // Update ownership in case tokenId was transferred by `_beforeTokenTransfer` hook
        owner = ERC721.ownerOf(tokenId);

        // Clear approvals
        delete _tokenApprovals[tokenId];

        unchecked {
            // Cannot overflow, as that would require more tokens to be burned/transferred
            // out than the owner initially received through minting and transferring in.
            _balances[owner] -= 1;
        }
        delete _owners[tokenId];

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

        _afterTokenTransfer(owner, address(0), tokenId, 1);
    }

    /**
     * @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 from incorrect owner");
        require(to != address(0), "ERC721: transfer to the zero address");

        _beforeTokenTransfer(from, to, tokenId, 1);

        // Check that tokenId was not transferred by `_beforeTokenTransfer` hook
        require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer from incorrect owner");

        // Clear approvals from the previous owner
        delete _tokenApprovals[tokenId];

        unchecked {
            // `_balances[from]` cannot overflow for the same reason as described in `_burn`:
            // `from`'s balance is the number of token held, which is at least one before the current
            // transfer.
            // `_balances[to]` could overflow in the conditions described in `_mint`. That would require
            // all 2**256 token ids to be minted, which in practice is impossible.
            _balances[from] -= 1;
            _balances[to] += 1;
        }
        _owners[tokenId] = to;

        emit Transfer(from, to, tokenId);

        _afterTokenTransfer(from, to, tokenId, 1);
    }

    /**
     * @dev Approve `to` to operate on `tokenId`
     *
     * Emits an {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 an {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 Reverts if the `tokenId` has not been minted yet.
     */
    function _requireMinted(uint256 tokenId) internal view virtual {
        require(_exists(tokenId), "ERC721: invalid token ID");
    }

    /**
     * @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 {
                    /// @solidity memory-safe-assembly
                    assembly {
                        revert(add(32, reason), mload(reason))
                    }
                }
            }
        } else {
            return true;
        }
    }

    /**
     * @dev Hook that is called before any token transfer. This includes minting and burning. If {ERC721Consecutive} is
     * used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, ``from``'s tokens will be transferred to `to`.
     * - When `from` is zero, the tokens will be minted for `to`.
     * - When `to` is zero, ``from``'s tokens will be burned.
     * - `from` and `to` are never both zero.
     * - `batchSize` is non-zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(address from, address to, uint256 firstTokenId, uint256 batchSize) internal virtual {}

    /**
     * @dev Hook that is called after any token transfer. This includes minting and burning. If {ERC721Consecutive} is
     * used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, ``from``'s tokens were transferred to `to`.
     * - When `from` is zero, the tokens were minted for `to`.
     * - When `to` is zero, ``from``'s tokens were burned.
     * - `from` and `to` are never both zero.
     * - `batchSize` is non-zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _afterTokenTransfer(address from, address to, uint256 firstTokenId, uint256 batchSize) internal virtual {}

    /**
     * @dev Unsafe write access to the balances, used by extensions that "mint" tokens using an {ownerOf} override.
     *
     * WARNING: Anyone calling this MUST ensure that the balances remain consistent with the ownership. The invariant
     * being that for any address `a` the value returned by `balanceOf(a)` must be equal to the number of tokens such
     * that `ownerOf(tokenId)` is `a`.
     */
    // solhint-disable-next-line func-name-mixedcase
    function __unsafe_increaseBalance(address account, uint256 amount) internal {
        _balances[account] += amount;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (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`.
     *
     * 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;

    /**
     * @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 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: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721
     * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must
     * understand this adds an external call which potentially creates a reentrancy vulnerability.
     *
     * 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 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 the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @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);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     *
     * Furthermore, `isContract` will also return true if the target contract within
     * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
     * which only has an effect at the end of a transaction.
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://consensys.net/diligence/blog/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/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

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

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (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 `IERC721Receiver.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Strings.sol)

pragma solidity ^0.8.0;

import "./math/Math.sol";
import "./math/SignedMath.sol";

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _SYMBOLS = "0123456789abcdef";
    uint8 private constant _ADDRESS_LENGTH = 20;

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        unchecked {
            uint256 length = Math.log10(value) + 1;
            string memory buffer = new string(length);
            uint256 ptr;
            /// @solidity memory-safe-assembly
            assembly {
                ptr := add(buffer, add(32, length))
            }
            while (true) {
                ptr--;
                /// @solidity memory-safe-assembly
                assembly {
                    mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
                }
                value /= 10;
                if (value == 0) break;
            }
            return buffer;
        }
    }

    /**
     * @dev Converts a `int256` to its ASCII `string` decimal representation.
     */
    function toString(int256 value) internal pure returns (string memory) {
        return string(abi.encodePacked(value < 0 ? "-" : "", toString(SignedMath.abs(value))));
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        unchecked {
            return toHexString(value, Math.log256(value) + 1);
        }
    }

    /**
     * @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] = _SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
    }

    /**
     * @dev Returns true if the two strings are equal.
     */
    function equal(string memory a, string memory b) internal pure returns (bool) {
        return keccak256(bytes(a)) == keccak256(bytes(b));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/math/Math.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    enum Rounding {
        Down, // Toward negative infinity
        Up, // Toward infinity
        Zero // Toward zero
    }

    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow.
        return (a & b) + (a ^ b) / 2;
    }

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds up instead
     * of rounding down.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

    /**
     * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
     * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
     * with further edits by Uniswap Labs also under MIT license.
     */
    function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {
        unchecked {
            // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
            // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
            // variables such that product = prod1 * 2^256 + prod0.
            uint256 prod0; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod0 := mul(x, y)
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                // Solidity will revert if denominator == 0, unlike the div opcode on its own.
                // The surrounding unchecked block does not change this fact.
                // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            require(denominator > prod1, "Math: mulDiv overflow");

            ///////////////////////////////////////////////
            // 512 by 256 division.
            ///////////////////////////////////////////////

            // Make division exact by subtracting the remainder from [prod1 prod0].
            uint256 remainder;
            assembly {
                // Compute remainder using mulmod.
                remainder := mulmod(x, y, denominator)

                // Subtract 256 bit number from 512 bit number.
                prod1 := sub(prod1, gt(remainder, prod0))
                prod0 := sub(prod0, remainder)
            }

            // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.
            // See https://cs.stackexchange.com/q/138556/92363.

            // Does not overflow because the denominator cannot be zero at this stage in the function.
            uint256 twos = denominator & (~denominator + 1);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

                // Divide [prod1 prod0] by twos.
                prod0 := div(prod0, twos)

                // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

            // Shift in bits from prod1 into prod0.
            prod0 |= prod1 * twos;

            // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
            // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv = 1 mod 2^4.
            uint256 inverse = (3 * denominator) ^ 2;

            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
            // in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2^8
            inverse *= 2 - denominator * inverse; // inverse mod 2^16
            inverse *= 2 - denominator * inverse; // inverse mod 2^32
            inverse *= 2 - denominator * inverse; // inverse mod 2^64
            inverse *= 2 - denominator * inverse; // inverse mod 2^128
            inverse *= 2 - denominator * inverse; // inverse mod 2^256

            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
            // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
            // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
            // is no longer required.
            result = prod0 * inverse;
            return result;
        }
    }

    /**
     * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {
        uint256 result = mulDiv(x, y, denominator);
        if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
            result += 1;
        }
        return result;
    }

    /**
     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
     *
     * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
        //
        // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
        // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
        //
        // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
        // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
        // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
        //
        // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
        uint256 result = 1 << (log2(a) >> 1);

        // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
        // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
        // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
        // into the expected uint128 result.
        unchecked {
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            return min(result, a / result);
        }
    }

    /**
     * @notice Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = sqrt(a);
            return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 2, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 128;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 64;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 32;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 16;
            }
            if (value >> 8 > 0) {
                value >>= 8;
                result += 8;
            }
            if (value >> 4 > 0) {
                value >>= 4;
                result += 4;
            }
            if (value >> 2 > 0) {
                value >>= 2;
                result += 2;
            }
            if (value >> 1 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 2, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log2(value);
            return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 10, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >= 10 ** 64) {
                value /= 10 ** 64;
                result += 64;
            }
            if (value >= 10 ** 32) {
                value /= 10 ** 32;
                result += 32;
            }
            if (value >= 10 ** 16) {
                value /= 10 ** 16;
                result += 16;
            }
            if (value >= 10 ** 8) {
                value /= 10 ** 8;
                result += 8;
            }
            if (value >= 10 ** 4) {
                value /= 10 ** 4;
                result += 4;
            }
            if (value >= 10 ** 2) {
                value /= 10 ** 2;
                result += 2;
            }
            if (value >= 10 ** 1) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log10(value);
            return result + (rounding == Rounding.Up && 10 ** result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 256, rounded down, of a positive value.
     * Returns 0 if given 0.
     *
     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
     */
    function log256(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 16;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 8;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 4;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 2;
            }
            if (value >> 8 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 256, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
            return result + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SignedMath.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard signed math utilities missing in the Solidity language.
 */
library SignedMath {
    /**
     * @dev Returns the largest of two signed numbers.
     */
    function max(int256 a, int256 b) internal pure returns (int256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two signed numbers.
     */
    function min(int256 a, int256 b) internal pure returns (int256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two signed numbers without overflow.
     * The result is rounded towards zero.
     */
    function average(int256 a, int256 b) internal pure returns (int256) {
        // Formula from the book "Hacker's Delight"
        int256 x = (a & b) + ((a ^ b) >> 1);
        return x + (int256(uint256(x) >> 255) & (a ^ b));
    }

    /**
     * @dev Returns the absolute unsigned value of a signed value.
     */
    function abs(int256 n) internal pure returns (uint256) {
        unchecked {
            // must be unchecked in order to support `n = type(int256).min`
            return uint256(n >= 0 ? n : -n);
        }
    }
}

// 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);
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "remappings": [
    "@openzeppelin/v4.9.2=.cache/OpenZeppelin/v4.9.2"
  ],
  "viaIR": true
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"InvalidParameters","type":"error"},{"inputs":[],"name":"URIQueryForNonexistentToken","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"_fromTokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_toTokenId","type":"uint256"}],"name":"BatchMetadataUpdate","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address[]","name":"to","type":"address[]"},{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"airdropFounders","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"to","type":"address[]"}],"name":"airdropMany","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"}],"name":"airdropOne","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"nextTokenId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"salePrice","type":"uint256"}],"name":"royaltyInfo","outputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"uri","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint96","name":"feeNumerator","type":"uint96"}],"name":"setDefaultRoyalty","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"payable","type":"function"}]

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