Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.2;

import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol";
import "@openzeppelin/contracts/utils/Counters.sol";
import "@openzeppelin/contracts/utils/math/SafeMath.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";

// @author: LoMel
contract TheDonutShop is ERC721Enumerable, Ownable {
    using ECDSA for bytes32;
    using Strings for uint256;
    using Counters for Counters.Counter;

    Counters.Counter private _tokenIdCounter;

    enum ContractState { PAUSED, PRESALE, PUBLIC }
    ContractState public currentState = ContractState.PAUSED;

    uint256 public MAX_TOTAL_MINT = 7777;
    uint256 public MAX_PER_TRANSACTION = 5;
    uint256 public MAX_PER_WALLET_FOR_PUBLIC = 10;
    uint256 public PRICE_PER_DONUT = .12 ether;

    mapping(address => uint256) public addressMinted; 

    string private baseURI;
    string private baseURISuffix;
    string private signVersion;
    address private signer;

    constructor(
        string memory _base, 
        string memory _suffix,
        string memory _signVersion) ERC721("The Donut Shop", "DONUT") {
        baseURI = _base;
        baseURISuffix = _suffix;
        signVersion = _signVersion;
        signer = msg.sender;
    }

    function updateSignVersion(string calldata _signVersion) external onlyOwner {
        signVersion = _signVersion;
    }

    function updateSigner(address _signer) external onlyOwner {
        signer = _signer;
    }

    function _verify(address sender, uint256 maxMintAmount, bytes memory signature) internal view returns (bool) {
        return keccak256(abi.encodePacked(sender, signVersion, maxMintAmount))
            .toEthSignedMessageHash()
            .recover(signature) == signer;
    }

    function changeContractState(ContractState _state) external onlyOwner {
        currentState = _state;
        if(currentState == ContractState.PRESALE) {
            PRICE_PER_DONUT = .12 ether;
            MAX_TOTAL_MINT = 4444;
        }
        else if(currentState == ContractState.PUBLIC) {
            PRICE_PER_DONUT = .16 ether;
            MAX_TOTAL_MINT = 7777;
        }
    }

    function claimDonuts(uint256 _numberOfDonuts, uint256 _maxMintAmount, bytes memory _signature) external payable {
        require(currentState == ContractState.PRESALE, "The whitelist is not active yet. Stay tuned.");
        require(SafeMath.add(_tokenIdCounter.current(), _numberOfDonuts) <= MAX_TOTAL_MINT, "The entire presale has been sold. Check back for public mint.");
        require(getNFTPrice(_numberOfDonuts) <= msg.value, "Amount of Ether sent is not correct.");
        require(_verify(msg.sender, _maxMintAmount, _signature), "This signature is not verified. You are not on the whitelist.");
        require(SafeMath.add(addressMinted[msg.sender], _numberOfDonuts) <= _maxMintAmount, "This amount exceeds the quantity you are allowed to mint during presale.");
        
        for(uint i = 0; i < _numberOfDonuts; ++i){
            uint256 tokenIndex = _tokenIdCounter.current();
            _tokenIdCounter.increment();
            ++addressMinted[msg.sender];
            _safeMint(msg.sender, tokenIndex);   
        }
    }

    function mintDonuts(uint256 _numberOfDonuts) external payable {
        require(currentState == ContractState.PUBLIC, "The public sale is not active yet. Stay Tuned.");
        require(_numberOfDonuts <= MAX_PER_TRANSACTION, "Don't be greedy. That's too many.");
        require(SafeMath.add(addressMinted[msg.sender], _numberOfDonuts) <= MAX_PER_WALLET_FOR_PUBLIC, "This amount exceeds the quantity you are allowed to mint during public.");
        require(SafeMath.add(_tokenIdCounter.current(), _numberOfDonuts) <= MAX_TOTAL_MINT, "Exceeds maximum supply.");
        require(getNFTPrice(_numberOfDonuts) <= msg.value, "Amount of Ether sent is not correct.");

        for(uint i = 0; i < _numberOfDonuts; ++i){
            uint256 tokenIndex = _tokenIdCounter.current();
            _tokenIdCounter.increment();
            ++addressMinted[msg.sender];
            _safeMint(msg.sender, tokenIndex);   
        }
    }

    function airdropDonuts(address[] calldata _to, uint256[] calldata _numberOfDonuts) external onlyOwner {
        require(_to.length == _numberOfDonuts.length, "The arrays must be the same length.");

        uint256 sum;
        for(uint256 i = 0; i < _numberOfDonuts.length; ++i){
            sum += _numberOfDonuts[i];
        }
        require(SafeMath.add(_tokenIdCounter.current(), sum) <= MAX_TOTAL_MINT);

        for(uint i = 0; i < _to.length; ++i){
            for(uint j = 0; j < _numberOfDonuts[i]; ++j){
                uint256 tokenId = _tokenIdCounter.current(); 
                _tokenIdCounter.increment();
                _safeMint(_to[i], tokenId);
            }
        }
    }

    function getNFTPrice(uint256 _amount) public view returns (uint256) {
        return SafeMath.mul(_amount, PRICE_PER_DONUT);
    }

    function withdraw() external onlyOwner {
        uint256 balance = address(this).balance;
        Address.sendValue(payable(msg.sender), balance);
    }

    function setMaxes(uint256 _maxTotalMint, uint256 _maxPerTransaction, uint256 _pricePerDonut) external onlyOwner {
        require(totalSupply() <= _maxTotalMint, "_maxTotalMint not large enough");

        MAX_TOTAL_MINT = _maxTotalMint;
        MAX_PER_TRANSACTION = _maxPerTransaction;
        PRICE_PER_DONUT = _pricePerDonut;
    }

    function setBaseURI(string calldata _base, string calldata _suffix) external onlyOwner {
        baseURI = _base;
        baseURISuffix = _suffix;
    }

    function tokenURI(uint256 tokenId) public view override returns (string memory) {
        require(_exists(tokenId), "The Donut Shop: URI query for nonexistent token");
        return string(abi.encodePacked(baseURI, tokenId.toString(), baseURISuffix));
    }
}

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

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 generally not needed starting with Solidity 0.8, since 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
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

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

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

pragma solidity ^0.8.0;

import "./IERC165.sol";

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

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

pragma solidity ^0.8.0;

import "../Strings.sol";

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    enum RecoverError {
        NoError,
        InvalidSignature,
        InvalidSignatureLength,
        InvalidSignatureS,
        InvalidSignatureV
    }

    function _throwError(RecoverError error) private pure {
        if (error == RecoverError.NoError) {
            return; // no error: do nothing
        } else if (error == RecoverError.InvalidSignature) {
            revert("ECDSA: invalid signature");
        } else if (error == RecoverError.InvalidSignatureLength) {
            revert("ECDSA: invalid signature length");
        } else if (error == RecoverError.InvalidSignatureS) {
            revert("ECDSA: invalid signature 's' value");
        } else if (error == RecoverError.InvalidSignatureV) {
            revert("ECDSA: invalid signature 'v' value");
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature` or error string. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
        // Check the signature length
        // - case 65: r,s,v signature (standard)
        // - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) _Available since v4.1._
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return tryRecover(hash, v, r, s);
        } else if (signature.length == 64) {
            bytes32 r;
            bytes32 vs;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            assembly {
                r := mload(add(signature, 0x20))
                vs := mload(add(signature, 0x40))
            }
            return tryRecover(hash, r, vs);
        } else {
            return (address(0), RecoverError.InvalidSignatureLength);
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature`. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     */
    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, signature);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address, RecoverError) {
        bytes32 s;
        uint8 v;
        assembly {
            s := and(vs, 0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff)
            v := add(shr(255, vs), 27)
        }
        return tryRecover(hash, v, r, s);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
     *
     * _Available since v4.2._
     */
    function recover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, r, vs);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
     * `r` and `s` signature fields separately.
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address, RecoverError) {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
            return (address(0), RecoverError.InvalidSignatureS);
        }
        if (v != 27 && v != 28) {
            return (address(0), RecoverError.InvalidSignatureV);
        }

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(hash, v, r, s);
        if (signer == address(0)) {
            return (address(0), RecoverError.InvalidSignature);
        }

        return (signer, RecoverError.NoError);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function recover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, v, r, s);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from a `hash`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
        // 32 is the length in bytes of hash,
        // enforced by the type signature above
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from `s`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s));
    }

    /**
     * @dev Returns an Ethereum Signed Typed Data, created from a
     * `domainSeparator` and a `structHash`. This produces hash corresponding
     * to the one signed with the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
     * JSON-RPC method as part of EIP-712.
     *
     * See {recover}.
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
    }
}

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

pragma solidity ^0.8.0;

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

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

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.0;

import "../IERC721.sol";

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Enumerable.sol)

pragma solidity ^0.8.0;

import "../IERC721.sol";

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

    /**
     * @dev Returns a token ID owned by `owner` at a given `index` of its token list.
     * Use along with {balanceOf} to enumerate all of ``owner``'s tokens.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256 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
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/ERC721Enumerable.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

    /**
     * @dev 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
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.0;

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

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.0;

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

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

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        _approve(to, tokenId);
    }

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

        return _tokenApprovals[tokenId];
    }

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

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

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

        _transfer(from, to, tokenId);
    }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        _beforeTokenTransfer(from, to, tokenId);

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

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

        emit Transfer(from, to, tokenId);
    }

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

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

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

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

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"string","name":"_base","type":"string"},{"internalType":"string","name":"_suffix","type":"string"},{"internalType":"string","name":"_signVersion","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"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_PER_TRANSACTION","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_PER_WALLET_FOR_PUBLIC","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_TOTAL_MINT","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PRICE_PER_DONUT","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"addressMinted","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"_to","type":"address[]"},{"internalType":"uint256[]","name":"_numberOfDonuts","type":"uint256[]"}],"name":"airdropDonuts","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"enum TheDonutShop.ContractState","name":"_state","type":"uint8"}],"name":"changeContractState","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_numberOfDonuts","type":"uint256"},{"internalType":"uint256","name":"_maxMintAmount","type":"uint256"},{"internalType":"bytes","name":"_signature","type":"bytes"}],"name":"claimDonuts","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"currentState","outputs":[{"internalType":"enum TheDonutShop.ContractState","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"getNFTPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":"_numberOfDonuts","type":"uint256"}],"name":"mintDonuts","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"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":"string","name":"_base","type":"string"},{"internalType":"string","name":"_suffix","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_maxTotalMint","type":"uint256"},{"internalType":"uint256","name":"_maxPerTransaction","type":"uint256"},{"internalType":"uint256","name":"_pricePerDonut","type":"uint256"}],"name":"setMaxes","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"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":"string","name":"_signVersion","type":"string"}],"name":"updateSignVersion","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_signer","type":"address"}],"name":"updateSigner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

-----Decoded View---------------
Arg [0] : _base (string): https://tdnnft.s3.amazonaws.com/
Arg [1] : _suffix (string): .json
Arg [2] : _signVersion (string): donut-shop-1

-----Encoded View---------------
9 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [1] : 00000000000000000000000000000000000000000000000000000000000000a0
Arg [2] : 00000000000000000000000000000000000000000000000000000000000000e0
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000020
Arg [4] : 68747470733a2f2f74646e6e66742e73332e616d617a6f6e6177732e636f6d2f
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000005
Arg [6] : 2e6a736f6e000000000000000000000000000000000000000000000000000000
Arg [7] : 000000000000000000000000000000000000000000000000000000000000000c
Arg [8] : 646f6e75742d73686f702d310000000000000000000000000000000000000000