Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta

More Options

• Similar
• Submit Audit
• Compare

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

import "./contracts/token/ERC721/ERC721.sol";
import "./contracts/token/ERC721/extensions/ERC721Enumerable.sol";
import "./contracts/access/Ownable.sol";
import "./contracts/utils/Counters.sol";
import "./contracts/security/ReentrancyGuard.sol";

contract PictographsPhotonauts is ERC721, ERC721Enumerable, Ownable, ReentrancyGuard {
    using Counters for Counters.Counter;
    Counters.Counter private _nextTokenId;
    uint256 public price = 0.007 ether;
    string private _baseURIextended;

    // Mapping от пользователя к массиву ID токенов, находящихся на стейкинге
    mapping(address => uint256[]) private _stakedTokens;
    // Mapping для быстрого поиска индекса токена в массиве стейкинга
    mapping(uint256 => uint256) private _stakedIndex;

    event Staked(address indexed staker, uint256 indexed tokenId);
    event Unstaked(address indexed staker, uint256 indexed tokenId);

    constructor(address initialOwner) ERC721("Pictographs Photonauts", "Photo") {
        _nextTokenId.increment(); // Начинаем с 1
        _baseURIextended = "ipfs://bafybeigiscsqc4mjko6gqscii327ddpw6n6xtwaqcxetqbff7s3vqmy3v4/";

        _transferOwnership(initialOwner);
    }

    function stake(uint256 tokenId) public nonReentrant {
        require(ownerOf(tokenId) == msg.sender, "You must own the token to stake it");
        require(_stakedIndex[tokenId] == 0, "Token is already staked");

        _stakedTokens[msg.sender].push(tokenId);
        // Сохраняем индекс токена в массиве для быстрого доступа
        _stakedIndex[tokenId] = _stakedTokens[msg.sender].length;


        emit Staked(msg.sender, tokenId); // Событие для стейка
    }

    function unstake(uint256 tokenId) public nonReentrant {
        require(_stakedIndex[tokenId] != 0, "Token is not staked");
        require(ownerOf(tokenId) == address(this), "Token must be staked to unstake");

        uint256 lastIndex = _stakedTokens[msg.sender].length - 1;
        uint256 tokenIndex = _stakedIndex[tokenId] - 1;

        // Если токен не последний в массиве, меняем его местами с последним
        if (tokenIndex != lastIndex) {
            uint256 lastTokenId = _stakedTokens[msg.sender][lastIndex];

            _stakedTokens[msg.sender][tokenIndex] = lastTokenId;
            _stakedIndex[lastTokenId] = tokenIndex + 1;
        }

        // Удаляем последний элемент из массива
        _stakedTokens[msg.sender].pop();
        delete _stakedIndex[tokenId];


        emit Unstaked(msg.sender, tokenId);

    }

    function stakedTokens(address owner) public view returns (uint256[] memory) {
        return _stakedTokens[owner];
    }

    // Функция для обновления _baseURIextended
    function setBaseURI(string memory baseURI_) external onlyOwner {
        _baseURIextended = baseURI_;
    }

    // Переопределение _baseURI для использования нашей переменной
    function _baseURI() internal view override returns (string memory) {
        return _baseURIextended;
    }

    function safeMint(address to) public onlyOwner {
        uint256 tokenId = _nextTokenId.current();
        _nextTokenId.increment();
        _safeMint(to, tokenId);
    }

    // Пользовательская функция для минтинга NFT
    function mintNFT(uint256 numberOfTokens) public payable {
        require(msg.value >= price * numberOfTokens, "Insufficient funds to mint.");

        for (uint256 i = 0; i < numberOfTokens; i++) {
            uint256 tokenId = _nextTokenId.current();
            _nextTokenId.increment();
            _safeMint(msg.sender, tokenId);
        }
    }

    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 firstTokenId,
        uint256 batchSize
    ) internal override(ERC721, ERC721Enumerable) {
    super._beforeTokenTransfer(from, to, firstTokenId, batchSize);
    // Проверка для каждого токена в пакете
        for (uint256 i = 0; i < batchSize; i++) {
            uint256 currentTokenId = firstTokenId + i;
            require(_stakedIndex[currentTokenId] == 0, "Staked tokens cannot be transferred");
        }
    }


    function tokenURI(uint256 tokenId)
    public
    view
    override(ERC721)
    returns (string memory)
    {
        return super.tokenURI(tokenId);
    }

    function supportsInterface(bytes4 interfaceId)
    public
    view
    override(ERC721, ERC721Enumerable)
    returns (bool)
    {
        return super.supportsInterface(interfaceId);
    }

    // Функция для изменения цены NFT (опционально)
    function setPrice(uint256 newPrice) public onlyOwner {
        price = newPrice;
    }

    // Переопределение для совместимости с ERC721 и ERC721URIStorage
    function _burn(uint256 tokenId) internal override(ERC721) {
        super._burn(tokenId);
    }
}

// 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 (last updated v4.9.0) (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() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

    function _nonReentrantBefore() private {
        // On the first call to nonReentrant, _status will be _NOT_ENTERED
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

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

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

    /**
     * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
     * `nonReentrant` function in the call stack.
     */
    function _reentrancyGuardEntered() internal view returns (bool) {
        return _status == _ENTERED;
    }
}

// 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 v4.8.0) (token/ERC721/extensions/ERC721Enumerable.sol)

pragma solidity ^0.8.0;

import "../ERC721.sol";
import "./IERC721Enumerable.sol";

/**
 * @dev This implements an optional extension of {ERC721} defined in the EIP that adds
 * enumerability of all the token ids in the contract as well as all token ids owned by each
 * account.
 */
abstract contract ERC721Enumerable is ERC721, IERC721Enumerable {
    // Mapping from owner to list of owned token IDs
    mapping(address => mapping(uint256 => uint256)) private _ownedTokens;

    // Mapping from token ID to index of the owner tokens list
    mapping(uint256 => uint256) private _ownedTokensIndex;

    // Array with all token ids, used for enumeration
    uint256[] private _allTokens;

    // Mapping from token id to position in the allTokens array
    mapping(uint256 => uint256) private _allTokensIndex;

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721) returns (bool) {
        return interfaceId == type(IERC721Enumerable).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) {
        require(index < ERC721.balanceOf(owner), "ERC721Enumerable: owner index out of bounds");
        return _ownedTokens[owner][index];
    }

    /**
     * @dev See {IERC721Enumerable-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        return _allTokens.length;
    }

    /**
     * @dev See {IERC721Enumerable-tokenByIndex}.
     */
    function tokenByIndex(uint256 index) public view virtual override returns (uint256) {
        require(index < ERC721Enumerable.totalSupply(), "ERC721Enumerable: global index out of bounds");
        return _allTokens[index];
    }

    /**
     * @dev See {ERC721-_beforeTokenTransfer}.
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 firstTokenId,
        uint256 batchSize
    ) internal virtual override {
        super._beforeTokenTransfer(from, to, firstTokenId, batchSize);

        if (batchSize > 1) {
            // Will only trigger during construction. Batch transferring (minting) is not available afterwards.
            revert("ERC721Enumerable: consecutive transfers not supported");
        }

        uint256 tokenId = firstTokenId;

        if (from == address(0)) {
            _addTokenToAllTokensEnumeration(tokenId);
        } else if (from != to) {
            _removeTokenFromOwnerEnumeration(from, tokenId);
        }
        if (to == address(0)) {
            _removeTokenFromAllTokensEnumeration(tokenId);
        } else if (to != from) {
            _addTokenToOwnerEnumeration(to, tokenId);
        }
    }

    /**
     * @dev Private function to add a token to this extension's ownership-tracking data structures.
     * @param to address representing the new owner of the given token ID
     * @param tokenId uint256 ID of the token to be added to the tokens list of the given address
     */
    function _addTokenToOwnerEnumeration(address to, uint256 tokenId) private {
        uint256 length = ERC721.balanceOf(to);
        _ownedTokens[to][length] = tokenId;
        _ownedTokensIndex[tokenId] = length;
    }

    /**
     * @dev Private function to add a token to this extension's token tracking data structures.
     * @param tokenId uint256 ID of the token to be added to the tokens list
     */
    function _addTokenToAllTokensEnumeration(uint256 tokenId) private {
        _allTokensIndex[tokenId] = _allTokens.length;
        _allTokens.push(tokenId);
    }

    /**
     * @dev Private function to remove a token from this extension's ownership-tracking data structures. Note that
     * while the token is not assigned a new owner, the `_ownedTokensIndex` mapping is _not_ updated: this allows for
     * gas optimizations e.g. when performing a transfer operation (avoiding double writes).
     * This has O(1) time complexity, but alters the order of the _ownedTokens array.
     * @param from address representing the previous owner of the given token ID
     * @param tokenId uint256 ID of the token to be removed from the tokens list of the given address
     */
    function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId) private {
        // To prevent a gap in from's tokens array, we store the last token in the index of the token to delete, and
        // then delete the last slot (swap and pop).

        uint256 lastTokenIndex = ERC721.balanceOf(from) - 1;
        uint256 tokenIndex = _ownedTokensIndex[tokenId];

        // When the token to delete is the last token, the swap operation is unnecessary
        if (tokenIndex != lastTokenIndex) {
            uint256 lastTokenId = _ownedTokens[from][lastTokenIndex];

            _ownedTokens[from][tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
            _ownedTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index
        }

        // This also deletes the contents at the last position of the array
        delete _ownedTokensIndex[tokenId];
        delete _ownedTokens[from][lastTokenIndex];
    }

    /**
     * @dev Private function to remove a token from this extension's token tracking data structures.
     * This has O(1) time complexity, but alters the order of the _allTokens array.
     * @param tokenId uint256 ID of the token to be removed from the tokens list
     */
    function _removeTokenFromAllTokensEnumeration(uint256 tokenId) private {
        // To prevent a gap in the tokens array, we store the last token in the index of the token to delete, and
        // then delete the last slot (swap and pop).

        uint256 lastTokenIndex = _allTokens.length - 1;
        uint256 tokenIndex = _allTokensIndex[tokenId];

        // When the token to delete is the last token, the swap operation is unnecessary. However, since this occurs so
        // rarely (when the last minted token is burnt) that we still do the swap here to avoid the gas cost of adding
        // an 'if' statement (like in _removeTokenFromOwnerEnumeration)
        uint256 lastTokenId = _allTokens[lastTokenIndex];

        _allTokens[tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
        _allTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index

        // This also deletes the contents at the last position of the array
        delete _allTokensIndex[tokenId];
        _allTokens.pop();
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC721/extensions/IERC721Enumerable.sol)

pragma solidity ^0.8.0;

import "../IERC721.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Enumerable is IERC721 {
    /**
     * @dev Returns the total amount of tokens stored by the contract.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns a token ID owned by `owner` at a given `index` of its token list.
     * Use along with {balanceOf} to enumerate all of ``owner``'s tokens.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256);

    /**
     * @dev Returns a token ID at a given `index` of all the tokens stored by the contract.
     * Use along with {totalSupply} to enumerate all tokens.
     */
    function tokenByIndex(uint256 index) external view returns (uint256);
}

// 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 (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 v4.6.0) (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/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 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/Counters.sol)

pragma solidity ^0.8.0;

/**
 * @title Counters
 * @author Matt Condon (@shrugs)
 * @dev Provides counters that can only be incremented, decremented or reset. This can be used e.g. to track the number
 * of elements in a mapping, issuing ERC721 ids, or counting request ids.
 *
 * Include with `using Counters for Counters.Counter;`
 */
library Counters {
    struct Counter {
        // This variable should never be directly accessed by users of the library: interactions must be restricted to
        // the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add
        // this feature: see https://github.com/ethereum/solidity/issues/4637
        uint256 _value; // default: 0
    }

    function current(Counter storage counter) internal view returns (uint256) {
        return counter._value;
    }

    function increment(Counter storage counter) internal {
        unchecked {
            counter._value += 1;
        }
    }

    function decrement(Counter storage counter) internal {
        uint256 value = counter._value;
        require(value > 0, "Counter: decrement overflow");
        unchecked {
            counter._value = value - 1;
        }
    }

    function reset(Counter storage counter) internal {
        counter._value = 0;
    }
}

// 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) (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 (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));
    }
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"initialOwner","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"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":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":"staker","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Staked","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"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"staker","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Unstaked","type":"event"},{"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":[{"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":[{"internalType":"uint256","name":"numberOfTokens","type":"uint256"}],"name":"mintNFT","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"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":"price","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"}],"name":"safeMint","outputs":[],"stateMutability":"nonpayable","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":"baseURI_","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newPrice","type":"uint256"}],"name":"setPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"stake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"stakedTokens","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","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":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"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":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"unstake","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

0000000000000000000000008c89c2560ccc96e841592ed483873427dcad3f37

-----Decoded View---------------
Arg [0] : initialOwner (address): 0x8c89C2560ccc96E841592ed483873427Dcad3F37

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000008c89c2560ccc96e841592ed483873427dcad3f37