Token

Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT

// @title: Thingies
// @author: Non Fungible Labs

pragma solidity ^0.8.0;

import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol";
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol";
import "@openzeppelin/contracts/utils/Strings.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "@openzeppelin/contracts/utils/math/SafeMath.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";

contract Thingies is
    ERC721,
    ERC721Enumerable,
    ERC721URIStorage,
    Ownable,
    ReentrancyGuard
{
    using Address for address payable;
    using SafeMath for uint256;

    uint256 public constant MAX_THINGIES = 10000;
    uint256 public constant MAX_MINT = 10;
    uint256 public RENAME_PRICE = 9E15; // 0.009ETH

    enum State {
        Setup,
        Party
    }

    mapping(uint256 => bool) private _nameChanged;

    mapping(uint256 => bool) public _thingieForFluf;

    State private _state;

    string private _immutableIPFSBucket;
    string private _mutableIPFSBucket;
    string private _tokenUriBase;
    address public _flufAddress;

    event NameAndDescriptionChanged(
        uint256 indexed _tokenId,
        string _name,
        string _description
    );

    constructor() ERC721("FLUF World: Thingies", "THINGIES") {
        _state = State.Setup;
        _flufAddress = 0xCcc441ac31f02cD96C153DB6fd5Fe0a2F4e6A68d;
        _tokenUriBase = "https://thingies-api.fluf.world/api/token/";
    }

    function setImmutableIPFSBucket(string memory immutableIPFSBucket_)
        public
        onlyOwner
    {
        require(
            bytes(_immutableIPFSBucket).length == 0,
            "This IPFS bucket is immuable and can only be set once."
        );
        _immutableIPFSBucket = immutableIPFSBucket_;
    }

    function setMutableIPFSBucket(string memory mutableIPFSBucket_)
        public
        onlyOwner
    {
        _mutableIPFSBucket = mutableIPFSBucket_;
    }

    function setTokenURI(string memory tokenUriBase_) public onlyOwner {
        _tokenUriBase = tokenUriBase_;
    }

    function setFlufAddress(address flufAddress) public onlyOwner {
        _flufAddress = flufAddress;
    }

    function changeNameAndDescription(
        uint256 tokenId,
        string memory newName,
        string memory newDescription
    ) public payable {
        address owner = ownerOf(tokenId);

        require(_msgSender() == owner, "This isn't your Thingie.");

        uint256 amountPaid = msg.value;

        if (_nameChanged[tokenId]) {
            require(
                amountPaid == RENAME_PRICE,
                "It costs to create a new identity."
            );
        } else {
            require(
                amountPaid == 0,
                "First time's free my fluffy little friend."
            );
            _nameChanged[tokenId] = true;
        }

        emit NameAndDescriptionChanged(tokenId, newName, newDescription);
    }

    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal override(ERC721, ERC721Enumerable) {
        super._beforeTokenTransfer(from, to, tokenId);
    }

    function _burn(uint256 tokenId)
        internal
        override(ERC721, ERC721URIStorage)
    {
        super._burn(tokenId);
    }

    function baseTokenURI() public view virtual returns (string memory) {
        return _tokenUriBase;
    }

    function state() public view virtual returns (State) {
        return _state;
    }

    function immutableIPFSBucket() public view virtual returns (string memory) {
        return _immutableIPFSBucket;
    }

    function mutableIPFSBucket() public view virtual returns (string memory) {
        return _mutableIPFSBucket;
    }

    function tokenURI(uint256 tokenId)
        public
        view
        override(ERC721, ERC721URIStorage)
        returns (string memory)
    {
        return
            string(abi.encodePacked(baseTokenURI(), Strings.toString(tokenId)));
    }

    function isFlufOwner(uint256 tokenId, address _address)
        public
        view
        returns (bool)
    {
        address owner = IERC721(_flufAddress).ownerOf(tokenId);
        if (owner == _address) {
            return true;
        } else {
            return false;
        }
    }

    function isFlufBatchOwner(uint256[] calldata tokenId, address _address)
        public
        view
        returns (bool)
    {
        for (uint256 i = 0; i < tokenId.length; i++) {
            require(
                isFlufOwner(tokenId[i], _address),
                "Address is not owner of FLUF batch"
            );
        }
        return true;
    }

    function getFlufMintedStatus(uint256[] calldata tokenIds)
        public
        view
        returns (bool[] memory)
    {
        bool[] memory flufStatus = new bool[](tokenIds.length);
        for (uint256 i = 0; i < tokenIds.length; i++) {
            flufStatus[i] = _thingieForFluf[tokenIds[i]];
        }
        return flufStatus;
    }

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

    function setStateToParty() public onlyOwner {
        _state = State.Party;
    }

    function setStateToSetup() public onlyOwner {
        _state = State.Setup;
    }

    function mintThingie(uint256 flufId)
        public
        virtual
        nonReentrant
        returns (uint256)
    {
        address human = msg.sender;
        if (human != owner()) {
            require(_state != State.Setup, "THINGIES aren't ready yet!");
            require(
                isFlufOwner(flufId, human),
                "You are not the owner of this FLUF"
            );
        }
        require(
            !_thingieForFluf[flufId],
            "The Thingie for this FLUF has already been minted."
        );
        require(
            totalSupply().add(1) <= MAX_THINGIES,
            "Sorry, there's not that many THINGIES left."
        );

        uint256 thingieRecieved = flufId;

        _safeMint(human, flufId);
        _thingieForFluf[flufId] = true;

        return thingieRecieved;
    }

    function mintThingieBatch(uint256[] memory flufId)
        public
        virtual
        nonReentrant
        returns (uint256)
    {
        address human = msg.sender;
        if (human != owner()) {
            require(_state != State.Setup, "THINGIES aren't ready yet!");
        }
        require(
            totalSupply().add(1) <= MAX_THINGIES,
            "Sorry, there's not that many THINGIES left."
        );
        require(
            flufId.length <= MAX_MINT,
            "You can only mint 10 THINGIES at a time."
        );

        uint256 firstThingieRecieved = flufId[0];

        for (uint256 i = 0; i < flufId.length; i++) {
            require(
                !_thingieForFluf[flufId[i]],
                "The Thingie for this FLUF has already been minted."
            );
            if (msg.sender == owner()) {
                _safeMint(human, flufId[i]);
                _thingieForFluf[flufId[i]] = true;
            } else {
                require(
                    isFlufOwner(flufId[i], human),
                    "You are not the owner of this FLUF"
                );
                _safeMint(human, flufId[i]);
                _thingieForFluf[flufId[i]] = true;
            }
        }

        return firstThingieRecieved;
    }

    function withdrawAllEth(address payable payee) public virtual onlyOwner {
        payee.sendValue(address(this).balance);
    }

    function setRenamePrice(uint256 newPrice) public onlyOwner {
        RENAME_PRICE = newPrice;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

// CAUTION
// This version of SafeMath should only be used with Solidity 0.8 or later,
// because it relies on the compiler's built in overflow checks.

/**
 * @dev Wrappers over Solidity's arithmetic operations.
 *
 * NOTE: `SafeMath` is no longer needed starting with Solidity 0.8. The compiler
 * now has built in overflow checking.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the substraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
            // benefit is lost if 'b' is also tested.
            // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        return a + b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return a - b;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        return a * b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator.
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b <= a, errorMessage);
            return a - b;
        }
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a / b;
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a % b;
        }
    }
}

// SPDX-License-Identifier: MIT

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

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

pragma solidity ^0.8.0;

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

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

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

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

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

// SPDX-License-Identifier: MIT

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

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

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

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

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

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

// SPDX-License-Identifier: MIT

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

pragma solidity ^0.8.0;

import "../IERC721.sol";

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

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

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../ERC721.sol";

/**
 * @dev ERC721 token with storage based token URI management.
 */
abstract contract ERC721URIStorage is ERC721 {
    using Strings for uint256;

    // Optional mapping for token URIs
    mapping(uint256 => string) private _tokenURIs;

    /**
     * @dev See {IERC721Metadata-tokenURI}.
     */
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        require(_exists(tokenId), "ERC721URIStorage: URI query for nonexistent token");

        string memory _tokenURI = _tokenURIs[tokenId];
        string memory base = _baseURI();

        // If there is no base URI, return the token URI.
        if (bytes(base).length == 0) {
            return _tokenURI;
        }
        // If both are set, concatenate the baseURI and tokenURI (via abi.encodePacked).
        if (bytes(_tokenURI).length > 0) {
            return string(abi.encodePacked(base, _tokenURI));
        }

        return super.tokenURI(tokenId);
    }

    /**
     * @dev Sets `_tokenURI` as the tokenURI of `tokenId`.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function _setTokenURI(uint256 tokenId, string memory _tokenURI) internal virtual {
        require(_exists(tokenId), "ERC721URIStorage: URI set of nonexistent token");
        _tokenURIs[tokenId] = _tokenURI;
    }

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

        if (bytes(_tokenURIs[tokenId]).length != 0) {
            delete _tokenURIs[tokenId];
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

    /**
     * @dev Hook that is called before any token transfer. This includes minting
     * and burning.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, ``from``'s `tokenId` will be burned.
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual override {
        super._beforeTokenTransfer(from, to, tokenId);

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

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

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

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

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

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

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        _approve(to, tokenId);
    }

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

        return _tokenApprovals[tokenId];
    }

    /**
     * @dev See {IERC721-setApprovalForAll}.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        require(operator != _msgSender(), "ERC721: approve to caller");

        _operatorApprovals[_msgSender()][operator] = approved;
        emit ApprovalForAll(_msgSender(), operator, approved);
    }

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

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

        _transfer(from, to, tokenId);
    }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        _beforeTokenTransfer(from, to, tokenId);

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

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

        emit Transfer(from, to, tokenId);
    }

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

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

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

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

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

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

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

        _;

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

// SPDX-License-Identifier: MIT

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() {
        _setOwner(_msgSender());
    }

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

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

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

    function _setOwner(address newOwner) private {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

{
  "remappings": [],
  "optimizer": {
    "enabled": true,
    "runs": 20
  },
  "evmVersion": "istanbul",
  "libraries": {},
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"_tokenId","type":"uint256"},{"indexed":false,"internalType":"string","name":"_name","type":"string"},{"indexed":false,"internalType":"string","name":"_description","type":"string"}],"name":"NameAndDescriptionChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"MAX_MINT","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_THINGIES","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"RENAME_PRICE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"_flufAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"_thingieForFluf","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseTokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"string","name":"newName","type":"string"},{"internalType":"string","name":"newDescription","type":"string"}],"name":"changeNameAndDescription","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"getFlufMintedStatus","outputs":[{"internalType":"bool[]","name":"","type":"bool[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"immutableIPFSBucket","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenId","type":"uint256[]"},{"internalType":"address","name":"_address","type":"address"}],"name":"isFlufBatchOwner","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"address","name":"_address","type":"address"}],"name":"isFlufOwner","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"flufId","type":"uint256"}],"name":"mintThingie","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"flufId","type":"uint256[]"}],"name":"mintThingieBatch","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"mutableIPFSBucket","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"flufAddress","type":"address"}],"name":"setFlufAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"immutableIPFSBucket_","type":"string"}],"name":"setImmutableIPFSBucket","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"mutableIPFSBucket_","type":"string"}],"name":"setMutableIPFSBucket","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newPrice","type":"uint256"}],"name":"setRenamePrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"setStateToParty","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"setStateToSetup","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"tokenUriBase_","type":"string"}],"name":"setTokenURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"state","outputs":[{"internalType":"enum Thingies.State","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address payable","name":"payee","type":"address"}],"name":"withdrawAllEth","outputs":[],"stateMutability":"nonpayable","type":"function"}]

6080604052661ff973cafa8000600d553480156200001c57600080fd5b50604080518082018252601481527f464c554620576f726c643a205468696e676965730000000000000000000000006020808301918252835180850190945260088452675448494e4749455360c01b908401528151919291620000829160009162000176565b5080516200009890600190602084019062000176565b505050620000b5620000af6200012060201b60201c565b62000124565b6001600c556010805460ff19169055601480546001600160a01b03191673ccc441ac31f02cd96c153db6fd5fe0a2f4e6a68d1790556040805160608101909152602a8082526200337560208301398051620001199160139160209091019062000176565b5062000259565b3390565b600b80546001600160a01b038381166001600160a01b0319831681179093556040519116919082907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e090600090a35050565b82805462000184906200021c565b90600052602060002090601f016020900481019282620001a85760008555620001f3565b82601f10620001c357805160ff1916838001178555620001f3565b82800160010185558215620001f3579182015b82811115620001f3578251825591602001919060010190620001d6565b506200020192915062000205565b5090565b5b8082111562000201576000815560010162000206565b6002810460018216806200023157607f821691505b602082108114156200025357634e487b7160e01b600052602260045260246000fd5b50919050565b61310c80620002696000396000f3fe6080604052600436106101f15760003560e01c80637d6bb302116101095780637d6bb302146104885780638da5cb5b146104a857806395d89b41146104bd5780639c345aef146104d25780639f96cd25146104f2578063a008495114610507578063a22cb46514610527578063a8307a3214610547578063b88d4fde14610567578063bfb7116714610587578063c19d93fb146105a7578063c41e2e48146105c9578063c87b56dd146105de578063cdd366b1146105fe578063d46d79bb1461061e578063d547cfb71461063e578063d773154f14610653578063e0df5b6f14610668578063e985e9c514610688578063f0292a03146106a8578063f2fde38b146106bd576101f1565b806301ffc9a7146101f657806305be3f381461022c57806306fdde031461024e578063081812fc14610270578063095ea7b31461029d5780631730f5e7146102bd57806318160ddd146102df5780631e753360146102f457806323af88271461030957806323b872dd1461031e5780632c1e5b831461033e5780632f745c591461035e578063367673e01461037e578063424a991d146103ab57806342842e0e146103cb5780634f6ccce7146103eb5780635efb942c1461040b5780636352211e1461041e5780636445cd811461043e57806370a0823114610453578063715018a614610473575b600080fd5b34801561020257600080fd5b506102166102113660046124c9565b6106dd565b60405161022391906126cd565b60405180910390f35b34801561023857600080fd5b5061024c610247366004612501565b6106f0565b005b34801561025a57600080fd5b5061026361077b565b6040516102239190612700565b34801561027c57600080fd5b5061029061028b366004612533565b61080d565b6040516102239190612636565b3480156102a957600080fd5b5061024c6102b8366004612365565b610850565b3480156102c957600080fd5b506102d26108e8565b6040516102239190612f5e565b3480156102eb57600080fd5b506102d26108ee565b34801561030057600080fd5b506102636108f4565b34801561031557600080fd5b5061024c610903565b34801561032a57600080fd5b5061024c610339366004612278565b610959565b34801561034a57600080fd5b5061024c610359366004612501565b610991565b34801561036a57600080fd5b506102d2610379366004612365565b6109e3565b34801561038a57600080fd5b5061039e610399366004612390565b610a38565b6040516102239190612687565b3480156103b757600080fd5b506102d26103c6366004612423565b610b2a565b3480156103d757600080fd5b5061024c6103e6366004612278565b610e36565b3480156103f757600080fd5b506102d2610406366004612533565b610e51565b61024c61041936600461256f565b610eac565b34801561042a57600080fd5b50610290610439366004612533565b610fa9565b34801561044a57600080fd5b50610290610fde565b34801561045f57600080fd5b506102d261046e366004612208565b610fed565b34801561047f57600080fd5b5061024c611031565b34801561049457600080fd5b506102166104a3366004612533565b61107c565b3480156104b457600080fd5b50610290611091565b3480156104c957600080fd5b506102636110a0565b3480156104de57600080fd5b506102166104ed36600461254b565b6110af565b3480156104fe57600080fd5b5061024c611164565b34801561051357600080fd5b506102d2610522366004612533565b6111b6565b34801561053357600080fd5b5061024c610542366004612334565b6112fa565b34801561055357600080fd5b5061024c610562366004612533565b6113c8565b34801561057357600080fd5b5061024c6105823660046122b8565b61140c565b34801561059357600080fd5b506102166105a23660046123cf565b61144b565b3480156105b357600080fd5b506105bc6114c0565b60405161022391906126d8565b3480156105d557600080fd5b506102636114c9565b3480156105ea57600080fd5b506102636105f9366004612533565b6114d8565b34801561060a57600080fd5b5061024c610619366004612208565b611512565b34801561062a57600080fd5b5061024c610639366004612208565b611573565b34801561064a57600080fd5b506102636115c8565b34801561065f57600080fd5b506102d26115d7565b34801561067457600080fd5b5061024c610683366004612501565b6115dd565b34801561069457600080fd5b506102166106a3366004612240565b61162f565b3480156106b457600080fd5b506102d261165d565b3480156106c957600080fd5b5061024c6106d8366004612208565b611662565b60006106e8826116d0565b90505b919050565b6106f86116f5565b6001600160a01b0316610709611091565b6001600160a01b0316146107385760405162461bcd60e51b815260040161072f90612cbd565b60405180910390fd5b6011805461074590612fff565b1590506107645760405162461bcd60e51b815260040161072f90612873565b80516107779060119060208401906120b1565b5050565b60606000805461078a90612fff565b80601f01602080910402602001604051908101604052809291908181526020018280546107b690612fff565b80156108035780601f106107d857610100808354040283529160200191610803565b820191906000526020600020905b8154815290600101906020018083116107e657829003601f168201915b5050505050905090565b6000610818826116f9565b6108345760405162461bcd60e51b815260040161072f90612c71565b506000908152600460205260409020546001600160a01b031690565b600061085b82610fa9565b9050806001600160a01b0316836001600160a01b0316141561088f5760405162461bcd60e51b815260040161072f90612d3b565b806001600160a01b03166108a16116f5565b6001600160a01b031614806108bd57506108bd816106a36116f5565b6108d95760405162461bcd60e51b815260040161072f90612acb565b6108e38383611716565b505050565b61271081565b60085490565b60606011805461078a90612fff565b61090b6116f5565b6001600160a01b031661091c611091565b6001600160a01b0316146109425760405162461bcd60e51b815260040161072f90612cbd565b601080546000919060ff19166001835b0217905550565b61096a6109646116f5565b82611784565b6109865760405162461bcd60e51b815260040161072f90612e48565b6108e3838383611809565b6109996116f5565b6001600160a01b03166109aa611091565b6001600160a01b0316146109d05760405162461bcd60e51b815260040161072f90612cbd565b80516107779060129060208401906120b1565b60006109ee83610fed565b8210610a0c5760405162461bcd60e51b815260040161072f906127d6565b506001600160a01b03821660009081526006602090815260408083208484529091529020545b92915050565b60606000826001600160401b03811115610a6257634e487b7160e01b600052604160045260246000fd5b604051908082528060200260200182016040528015610a8b578160200160208202803683370190505b50905060005b83811015610b2257600f6000868684818110610abd57634e487b7160e01b600052603260045260246000fd5b90506020020135815260200190815260200160002060009054906101000a900460ff16828281518110610b0057634e487b7160e01b600052603260045260246000fd5b9115156020928302919091019091015280610b1a8161303a565b915050610a91565b509392505050565b60006002600c541415610b4f5760405162461bcd60e51b815260040161072f90612ee5565b6002600c5533610b5d611091565b6001600160a01b0316816001600160a01b031614610bba57600060105460ff166001811115610b9c57634e487b7160e01b600052602160045260246000fd5b1415610bba5760405162461bcd60e51b815260040161072f90612c08565b612710610bd06001610bca6108ee565b90611936565b1115610bee5760405162461bcd60e51b815260040161072f90612741565b600a83511115610c105760405162461bcd60e51b815260040161072f90612dbe565b600083600081518110610c3357634e487b7160e01b600052603260045260246000fd5b6020026020010151905060005b8451811015610e2957600f6000868381518110610c6d57634e487b7160e01b600052603260045260246000fd5b60209081029190910181015182528101919091526040016000205460ff1615610ca85760405162461bcd60e51b815260040161072f90612bb6565b610cb0611091565b6001600160a01b0316336001600160a01b03161415610d5257610cfa83868381518110610ced57634e487b7160e01b600052603260045260246000fd5b6020026020010151611949565b6001600f6000878481518110610d2057634e487b7160e01b600052603260045260246000fd5b6020026020010151815260200190815260200160002060006101000a81548160ff021916908315150217905550610e17565b610d83858281518110610d7557634e487b7160e01b600052603260045260246000fd5b6020026020010151846110af565b610d9f5760405162461bcd60e51b815260040161072f90612e06565b610dc383868381518110610ced57634e487b7160e01b600052603260045260246000fd5b6001600f6000878481518110610de957634e487b7160e01b600052603260045260246000fd5b6020026020010151815260200190815260200160002060006101000a81548160ff0219169083151502179055505b80610e218161303a565b915050610c40565b506001600c559392505050565b6108e38383836040518060200160405280600081525061140c565b6000610e5b6108ee565b8210610e795760405162461bcd60e51b815260040161072f90612e99565b60088281548110610e9a57634e487b7160e01b600052603260045260246000fd5b90600052602060002001549050919050565b6000610eb784610fa9565b9050806001600160a01b0316610ecb6116f5565b6001600160a01b031614610ef15760405162461bcd60e51b815260040161072f90612a99565b6000848152600e6020526040902054349060ff1615610f3057600d548114610f2b5760405162461bcd60e51b815260040161072f90612f1c565b610f68565b8015610f4e5760405162461bcd60e51b815260040161072f9061278c565b6000858152600e60205260409020805460ff191660011790555b847f67fa4071238ddc656edd6cde213c95768186b64a5b0c2a20fb2485fc0d49b5488585604051610f9a929190612713565b60405180910390a25050505050565b6000818152600260205260408120546001600160a01b0316806106e85760405162461bcd60e51b815260040161072f90612b6d565b6014546001600160a01b031681565b60006001600160a01b0382166110155760405162461bcd60e51b815260040161072f90612b23565b506001600160a01b031660009081526003602052604090205490565b6110396116f5565b6001600160a01b031661104a611091565b6001600160a01b0316146110705760405162461bcd60e51b815260040161072f90612cbd565b61107a6000611963565b565b600f6020526000908152604090205460ff1681565b600b546001600160a01b031690565b60606001805461078a90612fff565b6014546040516331a9108f60e11b815260009182916001600160a01b0390911690636352211e906110e4908790600401612f5e565b60206040518083038186803b1580156110fc57600080fd5b505afa158015611110573d6000803e3d6000fd5b505050506040513d601f19601f820116820180604052508101906111349190612224565b9050826001600160a01b0316816001600160a01b0316141561115a576001915050610a32565b6000915050610a32565b61116c6116f5565b6001600160a01b031661117d611091565b6001600160a01b0316146111a35760405162461bcd60e51b815260040161072f90612cbd565b601080546001919060ff19168280610952565b60006002600c5414156111db5760405162461bcd60e51b815260040161072f90612ee5565b6002600c55336111e9611091565b6001600160a01b0316816001600160a01b03161461126c57600060105460ff16600181111561122857634e487b7160e01b600052602160045260246000fd5b14156112465760405162461bcd60e51b815260040161072f90612c08565b61125083826110af565b61126c5760405162461bcd60e51b815260040161072f90612e06565b6000838152600f602052604090205460ff161561129b5760405162461bcd60e51b815260040161072f90612bb6565b6127106112ab6001610bca6108ee565b11156112c95760405162461bcd60e51b815260040161072f90612741565b826112d48282611949565b6000848152600f60205260409020805460ff191660011790559150506001600c55919050565b6113026116f5565b6001600160a01b0316826001600160a01b031614156113335760405162461bcd60e51b815260040161072f90612989565b80600560006113406116f5565b6001600160a01b03908116825260208083019390935260409182016000908120918716808252919093529120805460ff1916921515929092179091556113846116f5565b6001600160a01b03167f17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31836040516113bc91906126cd565b60405180910390a35050565b6113d06116f5565b6001600160a01b03166113e1611091565b6001600160a01b0316146114075760405162461bcd60e51b815260040161072f90612cbd565b600d55565b61141d6114176116f5565b83611784565b6114395760405162461bcd60e51b815260040161072f90612e48565b611445848484846119b5565b50505050565b6000805b838110156114b55761148785858381811061147a57634e487b7160e01b600052603260045260246000fd5b90506020020135846110af565b6114a35760405162461bcd60e51b815260040161072f90612d7c565b806114ad8161303a565b91505061144f565b506001949350505050565b60105460ff1690565b60606012805461078a90612fff565b60606114e26115c8565b6114eb836119e8565b6040516020016114fc929190612604565b6040516020818303038152906040529050919050565b61151a6116f5565b6001600160a01b031661152b611091565b6001600160a01b0316146115515760405162461bcd60e51b815260040161072f90612cbd565b601480546001600160a01b0319166001600160a01b0392909216919091179055565b61157b6116f5565b6001600160a01b031661158c611091565b6001600160a01b0316146115b25760405162461bcd60e51b815260040161072f90612cbd565b6115c56001600160a01b03821647611b02565b50565b60606013805461078a90612fff565b600d5481565b6115e56116f5565b6001600160a01b03166115f6611091565b6001600160a01b03161461161c5760405162461bcd60e51b815260040161072f90612cbd565b80516107779060139060208401906120b1565b6001600160a01b03918216600090815260056020908152604080832093909416825291909152205460ff1690565b600a81565b61166a6116f5565b6001600160a01b031661167b611091565b6001600160a01b0316146116a15760405162461bcd60e51b815260040161072f90612cbd565b6001600160a01b0381166116c75760405162461bcd60e51b815260040161072f906128c9565b6115c581611963565b60006001600160e01b0319821663780e9d6360e01b14806106e857506106e882611b9e565b3390565b6000908152600260205260409020546001600160a01b0316151590565b600081815260046020526040902080546001600160a01b0319166001600160a01b038416908117909155819061174b82610fa9565b6001600160a01b03167f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b92560405160405180910390a45050565b600061178f826116f9565b6117ab5760405162461bcd60e51b815260040161072f90612a4d565b60006117b683610fa9565b9050806001600160a01b0316846001600160a01b031614806117f15750836001600160a01b03166117e68461080d565b6001600160a01b0316145b806118015750611801818561162f565b949350505050565b826001600160a01b031661181c82610fa9565b6001600160a01b0316146118425760405162461bcd60e51b815260040161072f90612cf2565b6001600160a01b0382166118685760405162461bcd60e51b815260040161072f90612945565b611873838383611bde565b61187e600082611716565b6001600160a01b03831660009081526003602052604081208054600192906118a7908490612fbc565b90915550506001600160a01b03821660009081526003602052604081208054600192906118d5908490612f90565b909155505060008181526002602052604080822080546001600160a01b0319166001600160a01b0386811691821790925591518493918716917fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef91a4505050565b60006119428284612f90565b9392505050565b610777828260405180602001604052806000815250611be9565b600b80546001600160a01b038381166001600160a01b0319831681179093556040519116919082907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e090600090a35050565b6119c0848484611809565b6119cc84848484611c1c565b6114455760405162461bcd60e51b815260040161072f90612821565b606081611a0d57506040805180820190915260018152600360fc1b60208201526106eb565b8160005b8115611a375780611a218161303a565b9150611a309050600a83612fa8565b9150611a11565b6000816001600160401b03811115611a5f57634e487b7160e01b600052604160045260246000fd5b6040519080825280601f01601f191660200182016040528015611a89576020820181803683370190505b5090505b841561180157611a9e600183612fbc565b9150611aab600a86613055565b611ab6906030612f90565b60f81b818381518110611ad957634e487b7160e01b600052603260045260246000fd5b60200101906001600160f81b031916908160001a905350611afb600a86612fa8565b9450611a8d565b80471015611b225760405162461bcd60e51b815260040161072f90612a16565b6000826001600160a01b031682604051611b3b90612633565b60006040518083038185875af1925050503d8060008114611b78576040519150601f19603f3d011682016040523d82523d6000602084013e611b7d565b606091505b50509050806108e35760405162461bcd60e51b815260040161072f906129bc565b60006001600160e01b031982166380ac58cd60e01b1480611bcf57506001600160e01b03198216635b5e139f60e01b145b806106e857506106e882611d2c565b6108e3838383611d45565b611bf38383611dce565b611c006000848484611c1c565b6108e35760405162461bcd60e51b815260040161072f90612821565b6000611c30846001600160a01b0316611ead565b156114b557836001600160a01b031663150b7a02611c4c6116f5565b8786866040518563ffffffff1660e01b8152600401611c6e949392919061264a565b602060405180830381600087803b158015611c8857600080fd5b505af1925050508015611cb8575060408051601f3d908101601f19168201909252611cb5918101906124e5565b60015b611d12573d808015611ce6576040519150601f19603f3d011682016040523d82523d6000602084013e611ceb565b606091505b508051611d0a5760405162461bcd60e51b815260040161072f90612821565b805181602001fd5b6001600160e01b031916630a85bd0160e11b149050611801565b6001600160e01b031981166301ffc9a760e01b14919050565b611d508383836108e3565b6001600160a01b038316611d6c57611d6781611eb3565b611d8f565b816001600160a01b0316836001600160a01b031614611d8f57611d8f8382611ef7565b6001600160a01b038216611dab57611da681611f94565b6108e3565b826001600160a01b0316826001600160a01b0316146108e3576108e3828261206d565b6001600160a01b038216611df45760405162461bcd60e51b815260040161072f90612c3c565b611dfd816116f9565b15611e1a5760405162461bcd60e51b815260040161072f9061290f565b611e2660008383611bde565b6001600160a01b0382166000908152600360205260408120805460019290611e4f908490612f90565b909155505060008181526002602052604080822080546001600160a01b0319166001600160a01b03861690811790915590518392907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef908290a45050565b3b151590565b600880546000838152600960205260408120829055600182018355919091527ff3f7a9fe364faab93b216da50a3214154f22a0a2b415b23a84c8169e8b636ee30155565b60006001611f0484610fed565b611f0e9190612fbc565b600083815260076020526040902054909150808214611f61576001600160a01b03841660009081526006602090815260408083208584528252808320548484528184208190558352600790915290208190555b5060009182526007602090815260408084208490556001600160a01b039094168352600681528383209183525290812055565b600854600090611fa690600190612fbc565b60008381526009602052604081205460088054939450909284908110611fdc57634e487b7160e01b600052603260045260246000fd5b90600052602060002001549050806008838154811061200b57634e487b7160e01b600052603260045260246000fd5b600091825260208083209091019290925582815260099091526040808220849055858252812055600880548061205157634e487b7160e01b600052603160045260246000fd5b6001900381819060005260206000200160009055905550505050565b600061207883610fed565b6001600160a01b039093166000908152600660209081526040808320868452825280832085905593825260079052919091209190915550565b8280546120bd90612fff565b90600052602060002090601f0160209004810192826120df5760008555612125565b82601f106120f857805160ff1916838001178555612125565b82800160010185558215612125579182015b8281111561212557825182559160200191906001019061210a565b50612131929150612135565b5090565b5b808211156121315760008155600101612136565b60006001600160401b0383111561216357612163613095565b612176601f8401601f1916602001612f67565b905082815283838301111561218a57600080fd5b828260208301376000602084830101529392505050565b60008083601f8401126121b2578182fd5b5081356001600160401b038111156121c8578182fd5b60208301915083602080830285010111156121e257600080fd5b9250929050565b600082601f8301126121f9578081fd5b6119428383356020850161214a565b600060208284031215612219578081fd5b8135611942816130ab565b600060208284031215612235578081fd5b8151611942816130ab565b60008060408385031215612252578081fd5b823561225d816130ab565b9150602083013561226d816130ab565b809150509250929050565b60008060006060848603121561228c578081fd5b8335612297816130ab565b925060208401356122a7816130ab565b929592945050506040919091013590565b600080600080608085870312156122cd578081fd5b84356122d8816130ab565b935060208501356122e8816130ab565b92506040850135915060608501356001600160401b03811115612309578182fd5b8501601f81018713612319578182fd5b6123288782356020840161214a565b91505092959194509250565b60008060408385031215612346578182fd5b8235612351816130ab565b91506020830135801515811461226d578182fd5b60008060408385031215612377578182fd5b8235612382816130ab565b946020939093013593505050565b600080602083850312156123a2578182fd5b82356001600160401b038111156123b7578283fd5b6123c3858286016121a1565b90969095509350505050565b6000806000604084860312156123e3578283fd5b83356001600160401b038111156123f8578384fd5b612404868287016121a1565b9094509250506020840135612418816130ab565b809150509250925092565b60006020808385031215612435578182fd5b82356001600160401b038082111561244b578384fd5b818501915085601f83011261245e578384fd5b81358181111561247057612470613095565b8381029150612480848301612f67565b8181528481019084860184860187018a101561249a578788fd5b8795505b838610156124bc57803583526001959095019491860191860161249e565b5098975050505050505050565b6000602082840312156124da578081fd5b8135611942816130c0565b6000602082840312156124f6578081fd5b8151611942816130c0565b600060208284031215612512578081fd5b81356001600160401b03811115612527578182fd5b611801848285016121e9565b600060208284031215612544578081fd5b5035919050565b6000806040838503121561255d578182fd5b82359150602083013561226d816130ab565b600080600060608486031215612583578081fd5b8335925060208401356001600160401b03808211156125a0578283fd5b6125ac878388016121e9565b935060408601359150808211156125c1578283fd5b506125ce868287016121e9565b9150509250925092565b600081518084526125f0816020860160208601612fd3565b601f01601f19169290920160200192915050565b60008351612616818460208801612fd3565b83519083019061262a818360208801612fd3565b01949350505050565b90565b6001600160a01b0391909116815260200190565b6001600160a01b038581168252841660208201526040810183905260806060820181905260009061267d908301846125d8565b9695505050505050565b6020808252825182820181905260009190848201906040850190845b818110156126c15783511515835292840192918401916001016126a3565b50909695505050505050565b901515815260200190565b60208101600283106126fa57634e487b7160e01b600052602160045260246000fd5b91905290565b60006020825261194260208301846125d8565b60006040825261272660408301856125d8565b828103602084015261273881856125d8565b95945050505050565b6020808252602b908201527f536f7272792c2074686572652773206e6f742074686174206d616e792054484960408201526a2723a4a2a9903632b33a1760a91b606082015260800190565b6020808252602a908201527f46697273742074696d6527732066726565206d7920666c75666679206c697474604082015269363290333934b2b7321760b11b606082015260800190565b6020808252602b908201527f455243373231456e756d657261626c653a206f776e657220696e646578206f7560408201526a74206f6620626f756e647360a81b606082015260800190565b60208082526032908201527f4552433732313a207472616e7366657220746f206e6f6e20455243373231526560408201527131b2b4bb32b91034b6b83632b6b2b73a32b960711b606082015260800190565b60208082526036908201527f546869732049504653206275636b657420697320696d6d7561626c6520616e646040820152751031b0b71037b7363c9031329039b2ba1037b731b29760511b606082015260800190565b60208082526026908201527f4f776e61626c653a206e6577206f776e657220697320746865207a65726f206160408201526564647265737360d01b606082015260800190565b6020808252601c908201527b115490cdcc8c4e881d1bdad95b88185b1c9958591e481b5a5b9d195960221b604082015260600190565b60208082526024908201527f4552433732313a207472616e7366657220746f20746865207a65726f206164646040820152637265737360e01b606082015260800190565b60208082526019908201527822a9219b99189d1030b8383937bb32903a379031b0b63632b960391b604082015260600190565b6020808252603a908201527f416464726573733a20756e61626c6520746f2073656e642076616c75652c20726040820152791958da5c1a595b9d081b585e481a185d99481c995d995c9d195960321b606082015260800190565b6020808252601d908201527f416464726573733a20696e73756666696369656e742062616c616e6365000000604082015260600190565b6020808252602c908201527f4552433732313a206f70657261746f7220717565727920666f72206e6f6e657860408201526b34b9ba32b73a103a37b5b2b760a11b606082015260800190565b6020808252601890820152772a3434b99034b9b713ba103cb7bab9102a3434b733b4b29760411b604082015260600190565b60208082526038908201527f4552433732313a20617070726f76652063616c6c6572206973206e6f74206f776040820152771b995c881b9bdc88185c1c1c9bdd995908199bdc88185b1b60421b606082015260800190565b6020808252602a908201527f4552433732313a2062616c616e636520717565727920666f7220746865207a65604082015269726f206164647265737360b01b606082015260800190565b60208082526029908201527f4552433732313a206f776e657220717565727920666f72206e6f6e657869737460408201526832b73a103a37b5b2b760b91b606082015260800190565b60208082526032908201527f546865205468696e67696520666f72207468697320464c55462068617320616c6040820152713932b0b23c903132b2b71036b4b73a32b21760711b606082015260800190565b6020808252601a90820152795448494e47494553206172656e2774207265616479207965742160301b604082015260600190565b6020808252818101527f4552433732313a206d696e7420746f20746865207a65726f2061646472657373604082015260600190565b6020808252602c908201527f4552433732313a20617070726f76656420717565727920666f72206e6f6e657860408201526b34b9ba32b73a103a37b5b2b760a11b606082015260800190565b6020808252818101527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572604082015260600190565b60208082526029908201527f4552433732313a207472616e73666572206f6620746f6b656e2074686174206960408201526839903737ba1037bbb760b91b606082015260800190565b60208082526021908201527f4552433732313a20617070726f76616c20746f2063757272656e74206f776e656040820152603960f91b606082015260800190565b60208082526022908201527f41646472657373206973206e6f74206f776e6572206f6620464c5546206261746040820152610c6d60f31b606082015260800190565b60208082526028908201527f596f752063616e206f6e6c79206d696e74203130205448494e474945532061746040820152671030903a34b6b29760c11b606082015260800190565b60208082526022908201527f596f7520617265206e6f7420746865206f776e6572206f66207468697320464c6040820152612aa360f11b606082015260800190565b60208082526031908201527f4552433732313a207472616e736665722063616c6c6572206973206e6f74206f6040820152701ddb995c881b9bdc88185c1c1c9bdd9959607a1b606082015260800190565b6020808252602c908201527f455243373231456e756d657261626c653a20676c6f62616c20696e646578206f60408201526b7574206f6620626f756e647360a01b606082015260800190565b6020808252601f908201527f5265656e7472616e637947756172643a207265656e7472616e742063616c6c00604082015260600190565b60208082526022908201527f497420636f73747320746f206372656174652061206e6577206964656e7469746040820152613c9760f11b606082015260800190565b90815260200190565b6040518181016001600160401b0381118282101715612f8857612f88613095565b604052919050565b60008219821115612fa357612fa3613069565b500190565b600082612fb757612fb761307f565b500490565b600082821015612fce57612fce613069565b500390565b60005b83811015612fee578181015183820152602001612fd6565b838111156114455750506000910152565b60028104600182168061301357607f821691505b6020821081141561303457634e487b7160e01b600052602260045260246000fd5b50919050565b600060001982141561304e5761304e613069565b5060010190565b6000826130645761306461307f565b500690565b634e487b7160e01b600052601160045260246000fd5b634e487b7160e01b600052601260045260246000fd5b634e487b7160e01b600052604160045260246000fd5b6001600160a01b03811681146115c557600080fd5b6001600160e01b0319811681146115c557600080fdfea26469706673582212202774e6a2df19a9463e916570f9ef5af5ab0394617f39d049646d3e76a8ac161f64736f6c6343000800003368747470733a2f2f7468696e676965732d6170692e666c75662e776f726c642f6170692f746f6b656e2f

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