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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (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 anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (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 v4.8.0) (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 {
        if (batchSize > 1) {
            if (from != address(0)) {
                _balances[from] -= batchSize;
            }
            if (to != address(0)) {
                _balances[to] += batchSize;
            }
        }
    }

    /**
     * @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 {}
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (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 v4.8.0) (token/ERC721/extensions/ERC721Burnable.sol)

pragma solidity ^0.8.0;

import "../ERC721.sol";
import "../../../utils/Context.sol";

/**
 * @title ERC721 Burnable Token
 * @dev ERC721 Token that can be burned (destroyed).
 */
abstract contract ERC721Burnable is Context, ERC721 {
    /**
     * @dev Burns `tokenId`. See {ERC721-_burn}.
     *
     * Requirements:
     *
     * - The caller must own `tokenId` or be an approved operator.
     */
    function burn(uint256 tokenId) public virtual {
        //solhint-disable-next-line max-line-length
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: caller is not token owner or approved");
        _burn(tokenId);
    }
}

// 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 v4.7.0) (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 v4.8.0) (utils/Address.sol)

pragma solidity ^0.8.1;

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

        return account.code.length > 0;
    }

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

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

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

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

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

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

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

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

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

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

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

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

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

// 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 (last updated v4.8.0) (utils/Strings.sol)

pragma solidity ^0.8.0;

import "./math/Math.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 `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);
    }
}

// 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 v4.8.0) (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) {
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            require(denominator > prod1);

            ///////////////////////////////////////////////
            // 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 10, 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 * 8) < value ? 1 : 0);
        }
    }
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.12;

import {ERC4907, IERC4907} from "../../utils/tokens/ERC721/extensions/ERC4907/ERC4907.sol";
import {IERC4906, IERC165} from "../../utils/tokens/IERC4906.sol";
import {Base721} from "../../utils/tokens/ERC721/Base721.sol";

import {ITPLRevealedParts} from "../TPLRevealedParts/ITPLRevealedParts.sol";

import {ITPLMechRentalManager} from "./TPLMechRental/ITPLMechRentalManager.sol";
import {ITPLMechOrigin} from "./TPLMechOrigin/ITPLMechOrigin.sol";

/// @title TPLMech
/// @author CyberBrokers
/// @author dev by @dievardump
/// @notice Registry containing the CyberBrokers Genesis Mechs
/// @dev Mechs can only be minted by accounts in the "minters" list.
///
///      To build a Mech, 7 parts are necessary: 2 arms, one head, one body, one pair of legs, one engine and one afterglow.
///
///      We keep a reference of all those 7 ids for each Mech, making sure we can get back all parts information used to build it
contract TPLMech is Base721, ERC4907, IERC4906 {
    error UnknownMech();
    error WrongParameter();
    error NotAuthorized();
    error OperatorNotAuthorized();

    error TransferDeniedByRentalManager();

    uint256 private _minted;
    uint256 private _burned;

    /// @notice Emitted when a Mech changed (either is minted, or its mechData has been updated)
    /// @param mechId the mech id
    event MechChanged(uint256 indexed mechId);

    address public tplOrigin;

    address public rentalManager;

    /// @dev contains extra data allowing to identify the Mechs origin (the parts etc...)
    mapping(uint256 => uint256) public mechOriginData;

    constructor(ERC721CommonConfig memory config, address tplOrigin_) Base721("Genesis Mechs", "GENESISMECHS", config) {
        tplOrigin = tplOrigin_;
    }

    function supportsInterface(
        bytes4 interfaceId
    ) public view virtual override(Base721, ERC4907, IERC165) returns (bool) {
        return interfaceId == bytes4(0x49064906) || super.supportsInterface(interfaceId);
    }

    function totalSupply() public view returns (uint256) {
        return _minted - _burned;
    }

    /// @notice returns all TPLRevealedParts IDs & TPLAfterglow ID used in crafting a Mech
    /// @param tokenId the Mech ID
    /// @return an array with the 6 TPLRevealedParts ids used
    /// @return the afterglow id
    function getMechPartsIds(uint256 tokenId) public view returns (uint256[] memory, uint256) {
        uint256 mechData = mechOriginData[tokenId];
        if (mechData == 0) {
            revert UnknownMech();
        }

        return ITPLMechOrigin(tplOrigin).getMechPartsIds(mechData);
    }

    /// @notice returns all TPL Revealed Parts IDs (& their TokenData) used in crafting a Mech
    /// @param tokenId the mech to get parts of
    /// @return an array with 7 MechOrigin containing each parts details
    function getMechOrigin(uint256 tokenId) public view returns (ITPLMechOrigin.MechOrigin memory) {
        uint256 mechData = mechOriginData[tokenId];
        if (mechData == 0) {
            revert UnknownMech();
        }

        return ITPLMechOrigin(tplOrigin).getMechOrigin(mechData);
    }

    /// @notice returns an array of getMechOrigin(tokenId) containing the origin for all ids in tokenIds
    /// @param tokenIds the mech ids we want the origin of
    /// @return an array of MechOrigin
    function getMechOriginBatch(uint256[] memory tokenIds) public view returns (ITPLMechOrigin.MechOrigin[] memory) {
        uint256 length = tokenIds.length;
        if (length == 0) revert WrongParameter();

        ITPLMechOrigin.MechOrigin[] memory origins = new ITPLMechOrigin.MechOrigin[](length);

        do {
            unchecked {
                length--;
            }
            origins[length] = getMechOrigin(tokenIds[length]);
        } while (length > 0);

        return origins;
    }

    function isApprovedForAll(address owner_, address operator) public view virtual override returns (bool) {
        // this allows to automatically approve some contracts like the MechCrafter contract
        // to do actions like disassembly of the mech
        return minters[msg.sender] || super.isApprovedForAll(owner_, operator);
    }

    /////////////////////////////////////////////////////////
    // Interactions                                        //
    /////////////////////////////////////////////////////////

    /// @notice disabled
    function mintTo(address, uint256) public override onlyMinter {
        revert NotAuthorized();
    }

    /// @notice Allows a minter to mint the next Mech to `to` with `mechData`
    /// @param to the token recipient
    /// @param mechData data allowing to find the mech origin
    /// @return the token id
    function mintNext(address to, uint256 mechData) external virtual onlyMinter returns (uint256) {
        uint256 tokenId = _mintTo(to, 1);
        mechOriginData[tokenId] = mechData;

        emit MechChanged(tokenId);

        return tokenId;
    }

    /// @notice Allows a minter to mint the given `tokenId` Mech to `to` with `mechData`
    /// @param tokenId the token id
    /// @param to the token recipient
    /// @param mechData data allowing to find the mech origin
    function mintToken(uint256 tokenId, address to, uint256 mechData) external virtual onlyMinter {
        _mint(to, tokenId);
        mechOriginData[tokenId] = mechData;

        emit MechChanged(tokenId);
    }

    /// @notice Allows to update a mech origin data
    /// @param tokenId the mech id
    /// @param mechData the new Data
    function updateMechData(uint256 tokenId, uint256 mechData) external onlyMinter {
        mechOriginData[tokenId] = mechData;

        emit MechChanged(tokenId);

        // if the mechData are updated, this could mean that the metadata changed
        emit MetadataUpdate(tokenId);
    }

    /////////////////////////////////////////////////////////
    // Gated Owner                                         //
    /////////////////////////////////////////////////////////

    /// @notice allows owner to set the collection base URI value & trigger a metadata update from indexers
    /// @param newBaseURI the new base URI
    /// @param triggerEIP4906 boolean to set to true if we want marketplaces/platforms to refetch metadata
    function setBaseURI(string calldata newBaseURI, bool triggerEIP4906) public onlyOwner {
        _setBaseURI(newBaseURI);

        if (triggerEIP4906) {
            emit BatchMetadataUpdate(1, _lastTokenId);
        }
    }

    /// @notice Allows owner to set the new rental manager, to support EIP-4907
    /// @param newRentalManager the new rental maanager
    function setRentalManager(address newRentalManager) external onlyOwner {
        rentalManager = newRentalManager;
    }

    /// @notice Allows owner to set the new tpl origin
    /// @param newTplMechOrigin the contract reading the origin of a mec
    function setTPLOrigin(address newTplMechOrigin) external onlyOwner {
        tplOrigin = newTplMechOrigin;
    }

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

    function _mint(address to, uint256 id) internal override {
        super._mint(to, id);
        _minted++;
    }

    function _burn(uint256 id) internal override {
        super._burn(id);
        delete mechOriginData[id];

        _burned++;
    }

    /// @dev only rentalManager can allow a rental
    function _checkCanRent(
        address operator,
        uint256 tokenId,
        address /*user*/,
        uint64 /*expires*/
    ) internal view override {
        if (!_exists(tokenId)) {
            revert UnknownMech();
        }

        // if it's not rentalManager calling, deny
        if (operator != rentalManager) {
            revert OperatorNotAuthorized();
        }

        // if we are here, it means the call comes from rentalManager, which must have already validated
        // everything there is before calling the setUser(tokenId, user) function
    }

    /// @dev only rentalManager can trigger the cancelation of a rental
    /// @param operator the current caller
    /// @param tokenId the token id to cancel the rental for
    function _checkCanCancelRental(address operator, uint256 tokenId) internal view virtual override {
        if (operator != rentalManager) {
            revert OperatorNotAuthorized();
        }

        // if we are here, it means the call comes from rentalManager, which must have already validated
        // everything there is before calling the cancelRenntal(tokenId) function
    }

    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 firstTokenId,
        uint256 batchSize
    ) internal virtual override {
        // if minting, there is definitely no rental ongoing, saves checks
        if (from != address(0)) {
            address user = userOf(firstTokenId);

            // if the item is currently in rental
            if (user != address(0)) {
                // we need rentalManager to allow or deny the transfer
                if (
                    !ITPLMechRentalManager(rentalManager).checkTransferPolicy(msg.sender, from, to, firstTokenId, user)
                ) {
                    revert TransferDeniedByRentalManager();
                }
            }
        }

        super._beforeTokenTransfer(from, to, firstTokenId, batchSize);
    }
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.12;

import {ITPLRevealedParts} from "../../TPLRevealedParts/ITPLRevealedParts.sol";

/// @title ITPLMechOrigin
/// @author CyberBrokers
/// @author dev by @dievardump
/// @notice Interface for TPLMechOrigin fetcher
interface ITPLMechOrigin {
    struct TPLPartOrigin {
        uint256 partId; // ID in the TPLRevealedParts contract
        ITPLRevealedParts.TokenData data;
    }

    struct MechOrigin {
        TPLPartOrigin[] parts;
        uint256 afterglow;
    }

    /// @notice returns all TPLRevealedParts IDs & TPLAfterglow ID used in crafting a Mech
    /// @param mechData the Mech extra data allowing to find its origin
    /// @return an array with the parts ids used
    /// @return the afterglow id
    function getMechPartsIds(uint256 mechData) external view returns (uint256[] memory, uint256);

    /// @notice returns all TPL Revealed Parts IDs (& their TokenData) used in crafting a Mech
    /// @param partsIds the parts ids
    /// @return an array containings each partsIds token data
    function getPartsOrigin(uint256[] memory partsIds) external view returns (TPLPartOrigin[] memory);

    /// @notice returns all TPL Revealed Parts IDs (& their TokenData) used in crafting a Mech
    /// @param mechData the Mech extra data allowing to find its origin
    /// @return a MechOrigin with all parts origin & afterglow
    function getMechOrigin(uint256 mechData) external view returns (MechOrigin memory);
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.12;

/// @title ITPLMechRentalManager
/// @author CyberBrokers
/// @author dev by @dievardump
/// @notice Interface for the TPLMechRentalManager
interface ITPLMechRentalManager {
    /// @notice Allows the TPLMech contract to check the current Transfer policy when an mech is already rented by `user`
    /// @dev having the Transfer while in rental policy externalised from TPLMech allows to update the Policy over time
    /// @param operator the operator requesting the Transfer
    /// @param from the account the token comes from
    /// @param to the account the token is going to
    /// @param tokenId the token id
    /// @param user the current user renting the item.
    /// @return if the current policy allows to transfer the item or not
    function checkTransferPolicy(
        address operator,
        address from,
        address to,
        uint256 tokenId,
        address user
    ) external view returns (bool);

    /// @notice Allows an account to start the rental of `tokenId` until `expires`
    /// @param tokenId the item the user is currently renting
    /// @param expires until when the account wants to rent the item
    function rentMech(uint256 tokenId, uint64 expires) external payable;

    /// @notice Allows the current renter of a token to cancel their current Rental
    /// @param tokenId the item the user is currently renting
    function cancelRental(uint256 tokenId) external payable;
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.12;

import {IBase721A} from "../../utils/tokens/ERC721/IBase721A.sol";

/// @title ITPLRevealedParts
/// @author CyberBrokers
/// @author dev by @dievardump
/// @notice Interface for the Revealed Parts contract.
interface ITPLRevealedParts is IBase721A {
    struct TokenData {
        uint256 generation;
        uint256 originalId;
        uint256 bodyPart;
        uint256 model;
        uint256[] stats;
    }

    /// @notice verifies that `account` owns all `tokenIds`
    /// @param account the account
    /// @param tokenIds the token ids to check
    /// @return if account owns all tokens
    function isOwnerOfBatch(address account, uint256[] calldata tokenIds) external view returns (bool);

    /// @notice returns a Mech Part data (body part and original id)
    /// @param tokenId the tokenId to check
    /// @return the Mech Part data (body part and original id)
    function partData(uint256 tokenId) external view returns (TokenData memory);

    /// @notice returns a list of Mech Part data (body part and original id)
    /// @param tokenIds the tokenIds to knoMechParts type of
    /// @return a list of Mech Part data (body part and original id)
    function partDataBatch(uint256[] calldata tokenIds) external view returns (TokenData[] memory);

    /// @notice Allows to burn tokens in batch
    /// @param tokenIds the tokens to burn
    function burnBatch(uint256[] calldata tokenIds) external;

    /// @notice Transfers the ownership of multiple NFTs from one address to another address
    /// @param _from The current owner of the NFT
    /// @param _to The new owner
    /// @param _tokenIds The NFTs to transfer
    function batchTransferFrom(
        address _from,
        address _to,
        uint256[] calldata _tokenIds
    ) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.12;

import {IERC721, ERC721, ERC721Burnable} from "@openzeppelin/contracts/token/ERC721/extensions/ERC721Burnable.sol";
import {ERC721Common, WithMeta, ERC2981} from "./ERC721Common.sol";

/// @title Base721
/// @author dev by @dievardump
/// @notice ERC721 base with Burnable and common stuff for all 721 implementations
contract Base721 is ERC721Common, ERC721Burnable {
    error TooManyRequested();
    error InvalidZeroMint();

    uint256 internal _lastTokenId;

    constructor(
        string memory name_,
        string memory ticker_,
        ERC721CommonConfig memory config
    ) ERC721(name_, ticker_) ERC721Common(config) {}

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

    /// @inheritdoc ERC721
    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC721, ERC2981) returns (bool) {
        return ERC721.supportsInterface(interfaceId) || ERC2981.supportsInterface(interfaceId);
    }

    /// @inheritdoc ERC721
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        _requireMinted(tokenId);

        return _tokenURI(tokenId);
    }

    /////////////////////////////////////////////////////////
    // Interactions                                        //
    /////////////////////////////////////////////////////////

    /// @inheritdoc ERC721
    /// @dev overrode to add the FilterOperator
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public override onlyAllowedOperator(from) {
        super.transferFrom(from, to, tokenId);
    }

    /// @inheritdoc ERC721
    /// @dev overrode to add the FilterOperator
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public override onlyAllowedOperator(from) {
        super.safeTransferFrom(from, to, tokenId);
    }

    /// @inheritdoc ERC721
    /// @dev overrode to add the FilterOperator
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory data
    ) public override onlyAllowedOperator(from) {
        super.safeTransferFrom(from, to, tokenId, data);
    }

    /// @inheritdoc ERC721
    /// @dev overrode to add the FilterOperator
    function setApprovalForAll(address operator, bool _approved)
        public
        override
        onlyAllowedOperatorForApproval(operator, _approved)
    {
        super.setApprovalForAll(operator, _approved);
    }

    /// @notice Allows any "minter" to mint `amount` new tokens to `to`
    /// @param to to whom we need to mint
    /// @param amount how many to mint
    function mintTo(address to, uint256 amount) external virtual onlyMinter {
        _mintTo(to, amount);
    }

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

    function _baseURI() internal view virtual override(ERC721, WithMeta) returns (string memory) {
        return WithMeta._baseURI();
    }

    /// @dev mints `amount` tokens to `to`
    /// @param to to whom we need to mint
    /// @param amount how many to mint
    function _mintTo(address to, uint256 amount) internal virtual returns (uint256) {
        if (amount == 0) {
            revert InvalidZeroMint();
        }
        uint256 maxSupply = _maxSupply();
        uint256 lastTokenId = _lastTokenId;

        // check that there is enough supply
        if (maxSupply != 0 && lastTokenId + amount > maxSupply) {
            revert TooManyRequested();
        }

        do {
            unchecked {
                amount--;
                ++lastTokenId;
            }
            _mint(to, lastTokenId);
        } while (amount > 0);

        _lastTokenId = lastTokenId;
        return lastTokenId;
    }

    /// @dev internal config to return the max supply and stop the mint function to work after it's met
    /// @return the max supply, 0 means no max
    function _maxSupply() internal view virtual returns (uint256) {
        return 0;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.12;

import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
import {IERC2981, ERC2981} from "@openzeppelin/contracts/token/common/ERC2981.sol";

import {WithMeta} from "../WithMeta.sol";
import {WithMinters} from "../WithMinters.sol";
import {WithOperatorFilter} from "../WithOperatorFilter/WithOperatorFilter.sol";

import {IERC721Common} from "./IERC721Common.sol";

/// @title ERC721Common
/// @author dev by @dievardump
/// @notice contains all the goodies that can be added to any implementation of ERC721 (OZ, ERC721A, ...)
///         without needing any implementation specific tweaks
contract ERC721Common is IERC721Common, Ownable, ERC2981, WithMeta, WithMinters, WithOperatorFilter {
    constructor(ERC721CommonConfig memory config) {
        if (config.minters.length > 0) {
            _addMinters(config.minters);
        }

        if (bytes(config.baseURI).length > 0) {
            _setBaseURI(config.baseURI);
        }

        if (bytes(config.contractURI).length > 0) {
            contractURI = config.contractURI;
        }

        if (config.metadataManager != address(0)) {
            metadataManager = config.metadataManager;
        }

        if (config.royaltyReceiver != address(0)) {
            _setDefaultRoyalty(config.royaltyReceiver, config.royaltyFeeNumerator);
        }
    }

    /////////////////////////////////////////////////////////
    // Gated Owner                                         //
    /////////////////////////////////////////////////////////

    //// @notice Allows to add minters to this contract
    /// @param newMinters the new minters to add
    function addMinters(address[] calldata newMinters) external onlyOwner {
        _addMinters(newMinters);
    }

    //// @notice Allows to remove minters from this contract
    /// @param oldMinters the old minters to remove
    function removeMinters(address[] calldata oldMinters) external onlyOwner {
        _removeMinters(oldMinters);
    }

    /// @notice Allows owner to update metadataManager
    /// @param newMetadataManager the new address of the third eye
    function setMetadataManager(address newMetadataManager) external onlyOwner {
        metadataManager = newMetadataManager;
    }

    /// @notice Allows owner to update contractURI
    /// @param newContractURI the new contract URI
    function setContractURI(string calldata newContractURI) external onlyOwner {
        contractURI = newContractURI;
    }

    /// @notice allows owner to change the royalties receiver and fees
    /// @param receiver the royalties receiver
    /// @param feeNumerator the fees to ask for; fees are expressed in basis points so 1 == 0.01%, 500 = 5%, 10000 = 100%
    function setDefaultRoyalty(address receiver, uint96 feeNumerator) public virtual onlyOwner {
        _setDefaultRoyalty(receiver, feeNumerator);
    }

    /// @notice allows owner to set the collection base URI value
    /// @param newBaseURI the new base URI
    function setBaseURI(string calldata newBaseURI) public onlyOwner {
        _setBaseURI(newBaseURI);
    }

    /// @notice Allows owner to switch on/off the OperatorFilter
    /// @param newIsEnabled the new state
    function setIsOperatorFilterEnabled(bool newIsEnabled) public onlyOwner {
        isOperatorFilterEnabled = newIsEnabled;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.12;

interface IBase721A {
    /// @notice Allows a `minter` to mint `amount` tokens to `to` with `extraData_`
    /// @param to to whom we need to mint
    /// @param amount how many to mint
    /// @param extraData extraData for these items
    function mintTo(
        address to,
        uint256 amount,
        uint24 extraData
    ) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.12;

interface IERC721Common {
    struct ERC721CommonConfig {
        string contractURI;
        string baseURI;
        address[] minters;
        address metadataManager;
        address royaltyReceiver;
        uint96 royaltyFeeNumerator;
    }
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.12;

import {ERC165} from "@openzeppelin/contracts/utils/introspection/ERC165.sol";
import {IERC4907} from "./IERC4907.sol";

/// @title ERC4907 - ERC721 Rental
/// @author dev by @dievardump
/// @notice Generic contract for rentals of ERC721 allowing custom rules for allowing rentals and cancelations
/// @dev dev MUST implement _checkCanRent in their own contract to check for Rental allowance
///      dev CAN override _checkCanCancelRental in their own contract to allow or not a cancelation
abstract contract ERC4907 is IERC4907, ERC165 {
    error NotCurrentRenter();

    uint256 private constant _BITPOS_EXPIRES = 160;

    mapping(uint256 => uint256) internal _rentals;

    /////////////////////////////////////////////////////////
    // Getters                                             //
    /////////////////////////////////////////////////////////
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC4907).interfaceId || super.supportsInterface(interfaceId);
    }

    function userOf(uint256 tokenId) public view returns (address) {
        (address renter, uint256 expires) = _rentalData(tokenId);

        // rental has expired, so there is no user
        if (expires < block.timestamp) {
            return address(0);
        }

        return renter;
    }

    function userExpires(uint256 tokenId) public view returns (uint256) {
        (address renter, uint256 expires) = _rentalData(tokenId);

        if (renter == address(0)) {
            expires = 0;
        }

        return expires;
    }

    /////////////////////////////////////////////////////////
    // Actions                                             //
    /////////////////////////////////////////////////////////

    function setUser(
        uint256 tokenId,
        address user,
        uint64 expires
    ) public {
        _checkCanRent(msg.sender, tokenId, user, expires);

        _rentals[tokenId] = (uint256(expires) << _BITPOS_EXPIRES) | uint256(uint160(user));
        emit UpdateUser(tokenId, user, expires);
    }

    /// @notice allows current caller to cancel the rental for tokenId
    /// @param tokenId the token id
    function cancelRental(uint256 tokenId) public {
        _checkCanCancelRental(msg.sender, tokenId);

        _rentals[tokenId] = 0;
        emit UpdateUser(tokenId, address(0), 0);
    }

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

    function _rentalData(uint256 tokenId) internal view returns (address, uint256) {
        uint256 rental = _rentals[tokenId];
        return (address(uint160(rental)), rental >> _BITPOS_EXPIRES);
    }

    /// @dev by default, only the current renter can cancel a rental
    /// @param operator the current caller
    /// @param tokenId the token id to cancel the rental for
    function _checkCanCancelRental(address operator, uint256 tokenId) internal view virtual {
        if (operator != userOf(tokenId)) {
            revert NotCurrentRenter();
        }
    }

    /// @notice Function used to check if `operator` can rent `tokenId` to `user` until `expires`
    ///         this function MUST REVERT if the rental is invalid
    /// @dev MUST be defined in consumer contract
    /// @param operator the operator trying to do the rent
    /// @param tokenId the token id to rent
    /// @param user the possible renter
    /// @param expires the rent expiration
    function _checkCanRent(
        address operator,
        uint256 tokenId,
        address user,
        uint64 expires
    ) internal view virtual;
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.12;

interface IERC4907 {
    // Logged when the user of an NFT is changed or expires is changed
    /// @notice Emitted when the `user` of an NFT or the `expires` of the `user` is changed
    /// The zero address for user indicates that there is no user address
    event UpdateUser(uint256 indexed tokenId, address indexed user, uint64 expires);

    /// @notice set the user and expires of an NFT
    /// @dev The zero address indicates there is no user
    /// Throws if `tokenId` is not valid NFT
    /// @param user  The new user of the NFT
    /// @param expires  UNIX timestamp, The new user could use the NFT before expires
    function setUser(
        uint256 tokenId,
        address user,
        uint64 expires
    ) external;

    /// @notice Get the user address of an NFT
    /// @dev The zero address indicates that there is no user or the user is expired
    /// @param tokenId The NFT to get the user address for
    /// @return The user address for this NFT
    function userOf(uint256 tokenId) external view returns (address);

    /// @notice Get the user expires of an NFT
    /// @dev The zero value indicates that there is no user
    /// @param tokenId The NFT to get the user expires for
    /// @return The user expires for this NFT
    function userExpires(uint256 tokenId) external view returns (uint256);
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.12;

import {IERC165} from "@openzeppelin/contracts/utils/introspection/ERC165.sol";

/// @title EIP-721 Metadata Update Extension
interface IERC4906 is IERC165 {
    /// @dev This event emits when the metadata of a token is changed.
    /// So that the third-party platforms such as NFT market could
    /// timely update the images and related attributes of the NFT.
    event MetadataUpdate(uint256 _tokenId);

    /// @dev This event emits when the metadata of a range of tokens is changed.
    /// So that the third-party platforms such as NFT market could
    /// timely update the images and related attributes of the NFTs.
    event BatchMetadataUpdate(uint256 _fromTokenId, uint256 _toTokenId);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.12;

import {Strings} from "@openzeppelin/contracts/utils/Strings.sol";

/// @title WithMeta
/// @author dev by @dievardump
/// @notice This contract adds some base meta management like contractURI, metadataManager and baseURI
contract WithMeta {
    /// @notice contract URI
    string public contractURI;

    /// @notice metadata manager
    address public metadataManager;

    string private _collectionBaseURI;

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

    /// @notice returns the current base uri used to build tokens tokenURI
    /// @return the current base uri
    function baseURI() public view virtual returns (string memory) {
        return _baseURI();
    }

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

    /// @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
    /// token will be the concatenation of the `baseURI` and the `tokenId`.
    function _baseURI() internal view virtual returns (string memory) {
        return _collectionBaseURI;
    }

    /// @dev sets the value returned by {_baseURI}
    /// @param newBaseURI the new base uri
    function _setBaseURI(string memory newBaseURI) internal virtual {
        _collectionBaseURI = newBaseURI;
    }

    /// @dev returns the tokenURI for `tokenId`; it will first check on `metadataManager`
    ///      if there is an URI there, and if not will concat the `tokenId` with the result of {_baseURI}
    function _tokenURI(uint256 tokenId) internal view virtual returns (string memory uri) {
        address metadataManager_ = metadataManager;

        // tokenURI can be managed in another contract, allowing an easy update if the project evolves
        if (metadataManager_ != address(0)) {
            uri = IWithTokenURI(metadataManager_).tokenURI(tokenId);
        }

        if (bytes(uri).length == 0) {
            string memory baseURI_ = _baseURI();
            uri = bytes(baseURI_).length != 0 ? string.concat(baseURI_, Strings.toString(tokenId)) : "";
        }
    }
}

interface IWithTokenURI {
    function tokenURI(uint256 tokenId) external view returns (string memory);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.12;

/// @title WithMinters
/// @author dev by @dievardump
/// @notice This contract adds minters management
abstract contract WithMinters {
    error OnlyMinter();

    /// @notice the address of the minter module
    mapping(address => bool) public minters;

    modifier onlyMinter() virtual {
        if (!minters[msg.sender]) {
            revert OnlyMinter();
        }
        _;
    }

    /// @notice Allows to add minters to this contract
    /// @param newMinters the new minters to add
    function _addMinters(address[] memory newMinters) internal virtual {
        uint256 length = newMinters.length;
        for (uint256 i; i < length; i++) {
            minters[newMinters[i]] = true;
        }
    }

    /// @notice Allows to remove minters from this contract
    /// @param oldMinters the old minters to remove
    function _removeMinters(address[] memory oldMinters) internal virtual {
        uint256 length = oldMinters.length;
        for (uint256 i; i < length; i++) {
            minters[oldMinters[i]] = false;
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

interface IOperatorFilterRegistry {
    function isOperatorAllowed(address registrant, address operator) external view returns (bool);
    function register(address registrant) external;
    function registerAndSubscribe(address registrant, address subscription) external;
    function registerAndCopyEntries(address registrant, address registrantToCopy) external;
    function updateOperator(address registrant, address operator, bool filtered) external;
    function updateOperators(address registrant, address[] calldata operators, bool filtered) external;
    function updateCodeHash(address registrant, bytes32 codehash, bool filtered) external;
    function updateCodeHashes(address registrant, bytes32[] calldata codeHashes, bool filtered) external;
    function subscribe(address registrant, address registrantToSubscribe) external;
    function unsubscribe(address registrant, bool copyExistingEntries) external;
    function subscriptionOf(address addr) external returns (address registrant);
    function subscribers(address registrant) external returns (address[] memory);
    function subscriberAt(address registrant, uint256 index) external returns (address);
    function copyEntriesOf(address registrant, address registrantToCopy) external;
    function isOperatorFiltered(address registrant, address operator) external returns (bool);
    function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool);
    function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool);
    function filteredOperators(address addr) external returns (address[] memory);
    function filteredCodeHashes(address addr) external returns (bytes32[] memory);
    function filteredOperatorAt(address registrant, uint256 index) external returns (address);
    function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32);
    function isRegistered(address addr) external returns (bool);
    function codeHashOf(address addr) external returns (bytes32);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

import {IOperatorFilterRegistry} from "./IOperatorFilterRegistry.sol";

/// @title WithOperatorFilter
/// @author dev by @dievardump
/// @notice Adds OpenSea's OperatorFilter registry management
abstract contract WithOperatorFilter {
    error OperatorNotAllowed(address operator);

    address constant DEFAULT_SUBSCRIPTION = address(0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6);

    IOperatorFilterRegistry public constant OPERATOR_FILTER_REGISTRY =
        IOperatorFilterRegistry(0x000000000000AAeB6D7670E522A718067333cd4E);

    bool public isOperatorFilterEnabled = true;

    constructor() {
        // auto subscribe to the default subscription
        if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {
            OPERATOR_FILTER_REGISTRY.registerAndSubscribe(address(this), DEFAULT_SUBSCRIPTION);
        }
    }

    /////////////////////////////////////////////////////////
    // modifier                                            //
    /////////////////////////////////////////////////////////

    /// @notice this modifier checks if "msg.sender" is not denied to do transfers
    /// @param from the user we want to transfer the nft from
    modifier onlyAllowedOperator(address from) virtual {
        // if from == msg.sender, always allow
        if (from != msg.sender) {
            // reverts if not allowed
            _checkOperatorFilter(msg.sender);
        }
        _;
    }

    /// @notice this modifier checks if "operator" is not denied to do transfers on the current contract
    /// @dev the check will only be performed when the user is trying to approve the `operator` not unapprove
    /// @param operator the operator to check
    /// @param _approved if we are currently trying to approve the operator
    modifier onlyAllowedOperatorForApproval(address operator, bool _approved) virtual {
        // only check when the user tries to approve an operator, unapprove should always work
        if (_approved) {
            // reverts if not allowed
            _checkOperatorFilter(operator);
        }
        _;
    }

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

    /// @dev Internally checks if the operator filter is enabled and if the current operator is allowed to transfer
    /// @param operator the owner of the item
    function _checkOperatorFilter(address operator) internal view {
        // if the operator filter is on, and the operator registry is
        if (isOperatorFilterEnabled && address(OPERATOR_FILTER_REGISTRY).code.length > 0) {
            // if the operator is not allowed, revert
            if (!OPERATOR_FILTER_REGISTRY.isOperatorAllowed(address(this), operator)) {
                revert OperatorNotAllowed(operator);
            }
        }
    }
}

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

• No Contract Security Audit Submitted- Submit Audit Here

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nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newMetadataManager","type":"address"}],"name":"setMetadataManager","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newRentalManager","type":"address"}],"name":"setRentalManager","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newTplMechOrigin","type":"address"}],"name":"setTPLOrigin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"address","name":"user","type":"address"},{"internalType":"uint64","name":"expires","type":"uint64"}],"name":"setUser","outputs":[],"stateMutability":"nonpayable","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":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tplOrigin","outputs":[{"internalType":"address","name":"","type":"address"}],"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"},{"internalType":"uint256","name":"mechData","type":"uint256"}],"name":"updateMechData","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"userExpires","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"userOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}]

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-----Decoded View---------------
Arg [0] : config (tuple): System.Collections.Generic.List`1[Nethereum.ABI.FunctionEncoding.ParameterOutput]
Arg [1] : tplOrigin_ (address): 0xE0a5132B939DeBdf532db197649d112a43AD0768

-----Encoded View---------------
15 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [1] : 000000000000000000000000e0a5132b939debdf532db197649d112a43ad0768
Arg [2] : 00000000000000000000000000000000000000000000000000000000000000c0
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000120
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000180
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [6] : 0000000000000000000000009e297ec23886ecef1f403a5ac27735628bff169f
Arg [7] : 00000000000000000000000000000000000000000000000000000000000001f4
Arg [8] : 0000000000000000000000000000000000000000000000000000000000000035
Arg [9] : 697066733a2f2f516d536f6b3947385041435474314d53485064653531317678
Arg [10] : 5041414272517253584c56697554655a4e54516a530000000000000000000000
Arg [11] : 0000000000000000000000000000000000000000000000000000000000000024
Arg [12] : 68747470733a2f2f6d2e637962657262726f6b6572732e636f6d2f6574682f6d
Arg [13] : 6563682f00000000000000000000000000000000000000000000000000000000
Arg [14] : 0000000000000000000000000000000000000000000000000000000000000000