Token

Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

pragma solidity ^0.8.7;


import "erc721a/contracts/ERC721A.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "solady/src/utils/LibString.sol";
import "solady/src/utils/Base64.sol";
enum SaleState {
    NOSALE, PUBLICSALE
}

contract DVDToken is ERC721A('Now that I have your attention...', 'DVD'), Ownable {
    using LibString for uint256;
  
    string artUri = "https://d38aca3d381g9e.cloudfront.net/";   

    uint256 public price = .0025 ether;
    uint256 public maxSupply = 2525;

    mapping(address => uint256) public minted;

    SaleState public saleState = SaleState.NOSALE;

    address constant BIG = 0x3B3c548c5c230696ADf655B6b186014A5bBab3c4;
    address constant SAVAGE = 0x9879edf4D3c72D7b5941cc3eD3Ca57D68F42c4Ac;

    function _startTokenId() internal view override virtual returns (uint256) {
        return 1;
    }
    function tokenURI(uint256 _tokenId) public view virtual override returns (string memory) {
        require(_exists(_tokenId),"ERC721Metadata: URI query for nonexistent token");
        return string(abi.encodePacked(
            'data:application/json;base64,', Base64.encode(bytes(abi.encodePacked(
                        '{"name": "Loading... #', _tokenId.toString(), 
                        '", "description":"', 
                        "Now that I have your attention...",
                        '","image":"',
                        artUri,
                        "office.png",
                        '", "animation_url": "', 
                        artUri, 
                        _tokenId.toString(), '.html'
                        '",',
                        '"attributes": [{',
                        '"trait_type": "corner", "value": "',
                        "???",
                        '"}]}')))));
    }

    function publicMint(uint256 count) external payable {
        require(msg.value >= (price * count), "not sending enough ether for mint");
        require(totalSupply() + count <= maxSupply);
        require(saleState == SaleState.PUBLICSALE, "Not in public sale");
        require(minted[msg.sender] + count < 5, "mint is max 5 only");
        minted[msg.sender] += count;
        _safeMint(msg.sender, count);
    }

    function ownerMint(address _user, uint256 _count) external onlyOwner {
        require(totalSupply() + _count <= maxSupply);
        _safeMint(_user, _count);
    }

    function setSaleState(SaleState newSaleState) external onlyOwner {
        saleState = newSaleState;
    }

    function setPrice(uint256 newPrice) external onlyOwner {
        price = newPrice;
    }

    function setMaxSupply(uint256 newMaxSupply) external onlyOwner {
        maxSupply = newMaxSupply;
    }

    function setArtUri(string memory _newArtUri) external onlyOwner {
        artUri = _newArtUri;
    }

    function withdrawEth() external {
        payable(BIG).call{value: address(this).balance / 5}('');
        payable(SAVAGE).call{value: address(this).balance}('');
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

/// @notice Library to encode strings in Base64.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/utils/Base64.sol)
/// @author Modified from Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/Base64.sol)
/// @author Modified from (https://github.com/Brechtpd/base64/blob/main/base64.sol) by Brecht Devos - <[email protected]>.
library Base64 {
    /// @dev Encodes `data` using the base64 encoding described in RFC 4648.
    /// See: https://datatracker.ietf.org/doc/html/rfc4648
    /// @param fileSafe  Whether to replace '+' with '-' and '/' with '_'.
    /// @param noPadding Whether to strip away the padding.
    function encode(
        bytes memory data,
        bool fileSafe,
        bool noPadding
    ) internal pure returns (string memory result) {
        assembly {
            let dataLength := mload(data)

            if dataLength {
                // Multiply by 4/3 rounded up.
                // The `shl(2, ...)` is equivalent to multiplying by 4.
                let encodedLength := shl(2, div(add(dataLength, 2), 3))

                // Set `result` to point to the start of the free memory.
                result := mload(0x40)

                // Store the table into the scratch space.
                // Offsetted by -1 byte so that the `mload` will load the character.
                // We will rewrite the free memory pointer at `0x40` later with
                // the allocated size.
                // The magic constant 0x0230 will translate "-_" + "+/".
                mstore(0x1f, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdef")
                mstore(0x3f, sub("ghijklmnopqrstuvwxyz0123456789-_", mul(iszero(fileSafe), 0x0230)))

                // Skip the first slot, which stores the length.
                let ptr := add(result, 0x20)
                let end := add(ptr, encodedLength)

                // Run over the input, 3 bytes at a time.
                // prettier-ignore
                for {} 1 {} {
                    data := add(data, 3) // Advance 3 bytes.
                    let input := mload(data)

                    // Write 4 bytes. Optimized for fewer stack operations.
                    mstore8(    ptr    , mload(and(shr(18, input), 0x3F)))
                    mstore8(add(ptr, 1), mload(and(shr(12, input), 0x3F)))
                    mstore8(add(ptr, 2), mload(and(shr( 6, input), 0x3F)))
                    mstore8(add(ptr, 3), mload(and(        input , 0x3F)))
                    
                    ptr := add(ptr, 4) // Advance 4 bytes.
                    // prettier-ignore
                    if iszero(lt(ptr, end)) { break }
                }

                let r := mod(dataLength, 3)

                switch noPadding
                case 0 {
                    // Offset `ptr` and pad with '='. We can simply write over the end.
                    mstore8(sub(ptr, iszero(iszero(r))), 0x3d) // Pad at `ptr - 1` if `r > 0`.
                    mstore8(sub(ptr, shl(1, eq(r, 1))), 0x3d) // Pad at `ptr - 2` if `r == 1`.
                    // Write the length of the string.
                    mstore(result, encodedLength)
                }
                default {
                    // Write the length of the string.
                    mstore(result, sub(encodedLength, add(iszero(iszero(r)), eq(r, 1))))
                }

                // Allocate the memory for the string.
                // Add 31 and mask with `not(31)` to round the
                // free memory pointer up the next multiple of 32.
                mstore(0x40, and(add(end, 31), not(31)))
            }
        }
    }

    /// @dev Encodes `data` using the base64 encoding described in RFC 4648.
    /// Equivalent to `encode(data, false, false)`.
    function encode(bytes memory data) internal pure returns (string memory result) {
        result = encode(data, false, false);
    }

    /// @dev Encodes `data` using the base64 encoding described in RFC 4648.
    /// Equivalent to `encode(data, fileSafe, false)`.
    function encode(bytes memory data, bool fileSafe) internal pure returns (string memory result) {
        result = encode(data, fileSafe, false);
    }

    /// @dev Encodes base64 encoded `data`.
    ///
    /// Supports:
    /// - RFC 4648 (both standard and file-safe mode).
    /// - RFC 3501 (63: ',').
    ///
    /// Does not support:
    /// - Line breaks.
    ///
    /// Note: For performance reasons,
    /// this function will NOT revert on invalid `data` inputs.
    /// Outputs for invalid inputs will simply be undefined behaviour.
    /// It is the user's responsibility to ensure that the `data`
    /// is a valid base64 encoded string.
    function decode(string memory data) internal pure returns (bytes memory result) {
        assembly {
            let dataLength := mload(data)

            if dataLength {
                let end := add(data, dataLength)
                let decodedLength := mul(shr(2, dataLength), 3)

                switch and(dataLength, 3)
                case 0 {
                    // If padded.
                    decodedLength := sub(
                        decodedLength,
                        add(eq(and(mload(end), 0xFF), 0x3d), eq(and(mload(end), 0xFFFF), 0x3d3d))
                    )
                }
                default {
                    // If non-padded.
                    decodedLength := add(decodedLength, sub(and(dataLength, 3), 1))
                }

                result := mload(0x40)

                // Write the length of the string.
                mstore(result, decodedLength)

                // Skip the first slot, which stores the length.
                let ptr := add(result, 0x20)

                // Load the table into the scratch space.
                // Constants are optimized for smaller bytecode with zero gas overhead.
                // `m` also doubles as the mask of the upper 6 bits.
                let m := 0xfc000000fc00686c7074787c8084888c9094989ca0a4a8acb0b4b8bcc0c4c8cc
                mstore(0x5b, m)
                mstore(0x3b, 0x04080c1014181c2024282c3034383c4044484c5054585c6064)
                mstore(0x1a, 0xf8fcf800fcd0d4d8dce0e4e8ecf0f4)

                // prettier-ignore
                for {} 1 {} {
                    // Read 4 bytes.
                    data := add(data, 4)
                    let input := mload(data)

                    // Write 3 bytes.
                    mstore(ptr, or(
                        and(m, mload(byte(28, input))),
                        shr(6, or(
                            and(m, mload(byte(29, input))),
                            shr(6, or(
                                and(m, mload(byte(30, input))),
                                shr(6, mload(byte(31, input)))
                            ))
                        ))
                    ))

                    ptr := add(ptr, 3)
                    
                    // prettier-ignore
                    if iszero(lt(data, end)) { break }
                }

                // Allocate the memory for the string.
                // Add 32 + 31 and mask with `not(31)` to round the
                // free memory pointer up the next multiple of 32.
                mstore(0x40, and(add(add(result, decodedLength), 63), not(31)))

                // Restore the zero slot.
                mstore(0x60, 0)
            }
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

/// @notice Library for converting numbers into strings and other string operations.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/utils/LibString.sol)
/// @author Modified from Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/LibString.sol)
library LibString {
    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                        CUSTOM ERRORS                       */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev The `length` of the output is too small to contain all the hex digits.
    error HexLengthInsufficient();

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                         CONSTANTS                          */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev The constant returned when the `search` is not found in the string.
    uint256 internal constant NOT_FOUND = uint256(int256(-1));

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                     DECIMAL OPERATIONS                     */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Returns the base 10 decimal representation of `value`.
    function toString(uint256 value) internal pure returns (string memory str) {
        assembly {
            // The maximum value of a uint256 contains 78 digits (1 byte per digit), but
            // we allocate 0xa0 bytes to keep the free memory pointer 32-byte word aligned.
            // We will need 1 word for the trailing zeros padding, 1 word for the length,
            // and 3 words for a maximum of 78 digits. Total: 5 * 0x20 = 0xa0.
            let m := add(mload(0x40), 0xa0)
            // Update the free memory pointer to allocate.
            mstore(0x40, m)
            // Assign the `str` to the end.
            str := sub(m, 0x20)
            // Zeroize the slot after the string.
            mstore(str, 0)

            // Cache the end of the memory to calculate the length later.
            let end := str

            // We write the string from rightmost digit to leftmost digit.
            // The following is essentially a do-while loop that also handles the zero case.
            // prettier-ignore
            for { let temp := value } 1 {} {
                str := sub(str, 1)
                // Write the character to the pointer.
                // The ASCII index of the '0' character is 48.
                mstore8(str, add(48, mod(temp, 10)))
                // Keep dividing `temp` until zero.
                temp := div(temp, 10)
                // prettier-ignore
                if iszero(temp) { break }
            }

            let length := sub(end, str)
            // Move the pointer 32 bytes leftwards to make room for the length.
            str := sub(str, 0x20)
            // Store the length.
            mstore(str, length)
        }
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                   HEXADECIMAL OPERATIONS                   */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Returns the hexadecimal representation of `value`,
    /// left-padded to an input length of `length` bytes.
    /// The output is prefixed with "0x" encoded using 2 hexadecimal digits per byte,
    /// giving a total length of `length * 2 + 2` bytes.
    /// Reverts if `length` is too small for the output to contain all the digits.
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory str) {
        assembly {
            let start := mload(0x40)
            // We need 0x20 bytes for the trailing zeros padding, `length * 2` bytes
            // for the digits, 0x02 bytes for the prefix, and 0x20 bytes for the length.
            // We add 0x20 to the total and round down to a multiple of 0x20.
            // (0x20 + 0x20 + 0x02 + 0x20) = 0x62.
            let m := add(start, and(add(shl(1, length), 0x62), not(0x1f)))
            // Allocate the memory.
            mstore(0x40, m)
            // Assign the `str` to the end.
            str := sub(m, 0x20)
            // Zeroize the slot after the string.
            mstore(str, 0)

            // Cache the end to calculate the length later.
            let end := str
            // Store "0123456789abcdef" in scratch space.
            mstore(0x0f, 0x30313233343536373839616263646566)

            let temp := value
            // We write the string from rightmost digit to leftmost digit.
            // The following is essentially a do-while loop that also handles the zero case.
            // prettier-ignore
            for {} 1 {} {
                str := sub(str, 2)
                mstore8(add(str, 1), mload(and(temp, 15)))
                mstore8(str, mload(and(shr(4, temp), 15)))
                temp := shr(8, temp)
                length := sub(length, 1)
                // prettier-ignore
                if iszero(length) { break }
            }

            if temp {
                // Store the function selector of `HexLengthInsufficient()`.
                mstore(0x00, 0x2194895a)
                // Revert with (offset, size).
                revert(0x1c, 0x04)
            }

            // Compute the string's length.
            let strLength := add(sub(end, str), 2)
            // Move the pointer and write the "0x" prefix.
            str := sub(str, 0x20)
            mstore(str, 0x3078)
            // Move the pointer and write the length.
            str := sub(str, 2)
            mstore(str, strLength)
        }
    }

    /// @dev Returns the hexadecimal representation of `value`.
    /// The output is prefixed with "0x" and encoded using 2 hexadecimal digits per byte.
    /// As address are 20 bytes long, the output will left-padded to have
    /// a length of `20 * 2 + 2` bytes.
    function toHexString(uint256 value) internal pure returns (string memory str) {
        assembly {
            let start := mload(0x40)
            // We need 0x20 bytes for the trailing zeros padding, 0x20 bytes for the length,
            // 0x02 bytes for the prefix, and 0x40 bytes for the digits.
            // The next multiple of 0x20 above (0x20 + 0x20 + 0x02 + 0x40) is 0xa0.
            let m := add(start, 0xa0)
            // Allocate the memory.
            mstore(0x40, m)
            // Assign the `str` to the end.
            str := sub(m, 0x20)
            // Zeroize the slot after the string.
            mstore(str, 0)

            // Cache the end to calculate the length later.
            let end := str
            // Store "0123456789abcdef" in scratch space.
            mstore(0x0f, 0x30313233343536373839616263646566)

            // We write the string from rightmost digit to leftmost digit.
            // The following is essentially a do-while loop that also handles the zero case.
            // prettier-ignore
            for { let temp := value } 1 {} {
                str := sub(str, 2)
                mstore8(add(str, 1), mload(and(temp, 15)))
                mstore8(str, mload(and(shr(4, temp), 15)))
                temp := shr(8, temp)
                // prettier-ignore
                if iszero(temp) { break }
            }

            // Compute the string's length.
            let strLength := add(sub(end, str), 2)
            // Move the pointer and write the "0x" prefix.
            str := sub(str, 0x20)
            mstore(str, 0x3078)
            // Move the pointer and write the length.
            str := sub(str, 2)
            mstore(str, strLength)
        }
    }

    /// @dev Returns the hexadecimal representation of `value`.
    /// The output is prefixed with "0x" and encoded using 2 hexadecimal digits per byte.
    function toHexString(address value) internal pure returns (string memory str) {
        assembly {
            let start := mload(0x40)
            // We need 0x20 bytes for the length, 0x02 bytes for the prefix,
            // and 0x28 bytes for the digits.
            // The next multiple of 0x20 above (0x20 + 0x02 + 0x28) is 0x60.
            str := add(start, 0x60)

            // Allocate the memory.
            mstore(0x40, str)
            // Store "0123456789abcdef" in scratch space.
            mstore(0x0f, 0x30313233343536373839616263646566)

            let length := 20
            // We write the string from rightmost digit to leftmost digit.
            // The following is essentially a do-while loop that also handles the zero case.
            // prettier-ignore
            for { let temp := value } 1 {} {
                str := sub(str, 2)
                mstore8(add(str, 1), mload(and(temp, 15)))
                mstore8(str, mload(and(shr(4, temp), 15)))
                temp := shr(8, temp)
                length := sub(length, 1)
                // prettier-ignore
                if iszero(length) { break }
            }

            // Move the pointer and write the "0x" prefix.
            str := sub(str, 32)
            mstore(str, 0x3078)
            // Move the pointer and write the length.
            str := sub(str, 2)
            mstore(str, 42)
        }
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                   OTHER STRING OPERATIONS                  */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Returns `subject` all occurances of `search` replaced with `replacement`.
    function replace(
        string memory subject,
        string memory search,
        string memory replacement
    ) internal pure returns (string memory result) {
        assembly {
            let subjectLength := mload(subject)
            let searchLength := mload(search)
            let replacementLength := mload(replacement)

            subject := add(subject, 0x20)
            search := add(search, 0x20)
            replacement := add(replacement, 0x20)
            result := add(mload(0x40), 0x20)

            let subjectEnd := add(subject, subjectLength)
            if iszero(gt(searchLength, subjectLength)) {
                let subjectSearchEnd := add(sub(subjectEnd, searchLength), 1)
                let h := 0
                if iszero(lt(searchLength, 32)) {
                    h := keccak256(search, searchLength)
                }
                let m := shl(3, sub(32, and(searchLength, 31)))
                let s := mload(search)
                // prettier-ignore
                for {} 1 {} {
                    let t := mload(subject)
                    // Whether the first `searchLength % 32` bytes of 
                    // `subject` and `search` matches.
                    if iszero(shr(m, xor(t, s))) {
                        if h {
                            if iszero(eq(keccak256(subject, searchLength), h)) {
                                mstore(result, t)
                                result := add(result, 1)
                                subject := add(subject, 1)
                                // prettier-ignore
                                if iszero(lt(subject, subjectSearchEnd)) { break }
                                continue
                            }
                        }
                        // Copy the `replacement` one word at a time.
                        // prettier-ignore
                        for { let o := 0 } 1 {} {
                            mstore(add(result, o), mload(add(replacement, o)))
                            o := add(o, 0x20)
                            // prettier-ignore
                            if iszero(lt(o, replacementLength)) { break }
                        }
                        result := add(result, replacementLength)
                        subject := add(subject, searchLength)
                        if searchLength {
                            // prettier-ignore
                            if iszero(lt(subject, subjectSearchEnd)) { break }
                            continue
                        }
                    }
                    mstore(result, t)
                    result := add(result, 1)
                    subject := add(subject, 1)
                    // prettier-ignore
                    if iszero(lt(subject, subjectSearchEnd)) { break }
                }
            }

            let resultRemainder := result
            result := add(mload(0x40), 0x20)
            let k := add(sub(resultRemainder, result), sub(subjectEnd, subject))
            // Copy the rest of the string one word at a time.
            // prettier-ignore
            for {} lt(subject, subjectEnd) {} {
                mstore(resultRemainder, mload(subject))
                resultRemainder := add(resultRemainder, 0x20)
                subject := add(subject, 0x20)
            }
            // Zeroize the slot after the string.
            mstore(resultRemainder, 0)
            // Allocate memory for the length and the bytes,
            // rounded up to a multiple of 32.
            mstore(0x40, add(result, and(add(k, 63), not(31))))
            result := sub(result, 0x20)
            mstore(result, k)
        }
    }

    /// @dev Returns the index of the first location of `search` in `subject`,
    /// searching from left to right, starting from `from`.
    /// Returns `NOT_FOUND` (i.e. `type(uint256).max`) if the `search` is not found.
    function indexOf(
        string memory subject,
        string memory search,
        uint256 from
    ) internal pure returns (uint256 result) {
        assembly {
            // prettier-ignore
            for { let subjectLength := mload(subject) } 1 {} {
                if iszero(mload(search)) {
                    // `result = min(from, subjectLength)`.
                    result := xor(from, mul(xor(from, subjectLength), lt(subjectLength, from)))
                    break
                }
                let searchLength := mload(search)
                let subjectStart := add(subject, 0x20)    
                
                result := not(0) // Initialize to `NOT_FOUND`.

                subject := add(subjectStart, from)
                let subjectSearchEnd := add(sub(add(subjectStart, subjectLength), searchLength), 1)

                let m := shl(3, sub(32, and(searchLength, 31)))
                let s := mload(add(search, 0x20))

                // prettier-ignore
                if iszero(lt(subject, subjectSearchEnd)) { break }

                if iszero(lt(searchLength, 32)) {
                    // prettier-ignore
                    for { let h := keccak256(add(search, 0x20), searchLength) } 1 {} {
                        if iszero(shr(m, xor(mload(subject), s))) {
                            if eq(keccak256(subject, searchLength), h) {
                                result := sub(subject, subjectStart)
                                break
                            }
                        }
                        subject := add(subject, 1)
                        // prettier-ignore
                        if iszero(lt(subject, subjectSearchEnd)) { break }
                    }
                    break
                }
                // prettier-ignore
                for {} 1 {} {
                    if iszero(shr(m, xor(mload(subject), s))) {
                        result := sub(subject, subjectStart)
                        break
                    }
                    subject := add(subject, 1)
                    // prettier-ignore
                    if iszero(lt(subject, subjectSearchEnd)) { break }
                }
                break
            }
        }
    }

    /// @dev Returns the index of the first location of `search` in `subject`,
    /// searching from left to right.
    /// Returns `NOT_FOUND` (i.e. `type(uint256).max`) if the `search` is not found.
    function indexOf(string memory subject, string memory search) internal pure returns (uint256 result) {
        result = indexOf(subject, search, 0);
    }

    /// @dev Returns the index of the first location of `search` in `subject`,
    /// searching from right to left, starting from `from`.
    /// Returns `NOT_FOUND` (i.e. `type(uint256).max`) if the `search` is not found.
    function lastIndexOf(
        string memory subject,
        string memory search,
        uint256 from
    ) internal pure returns (uint256 result) {
        assembly {
            // prettier-ignore
            for {} 1 {} {
                let searchLength := mload(search)
                let fromMax := sub(mload(subject), searchLength)
                // `from = min(from, fromMax)`.
                from := xor(from, mul(xor(from, fromMax), lt(fromMax, from)))
                if iszero(mload(search)) {
                    result := from
                    break
                }
                result := not(0) // Initialize to `NOT_FOUND`.

                let subjectSearchEnd := sub(add(subject, 0x20), 1)

                subject := add(add(subject, 0x20), from)
                // prettier-ignore
                if iszero(gt(subject, subjectSearchEnd)) { break }
                // As this function is not too often used,
                // we shall simply use keccak256 for smaller bytecode size.
                // prettier-ignore
                for { let h := keccak256(add(search, 0x20), searchLength) } 1 {} {
                    if eq(keccak256(subject, searchLength), h) {
                        result := sub(subject, add(subjectSearchEnd, 1))
                        break
                    }
                    subject := sub(subject, 1)
                    // prettier-ignore
                    if iszero(gt(subject, subjectSearchEnd)) { break }
                }
                break
            }
        }
    }

    /// @dev Returns the index of the first location of `search` in `subject`,
    /// searching from right to left.
    /// Returns `NOT_FOUND` (i.e. `type(uint256).max`) if the `search` is not found.
    function lastIndexOf(string memory subject, string memory search) internal pure returns (uint256 result) {
        result = lastIndexOf(subject, search, uint256(int256(-1)));
    }

    /// @dev Returns whether `subject` starts with `search`.
    function startsWith(string memory subject, string memory search) internal pure returns (bool result) {
        assembly {
            let searchLength := mload(search)
            // Just using keccak256 directly is actually cheaper.
            result := and(
                iszero(gt(searchLength, mload(subject))),
                eq(keccak256(add(subject, 0x20), searchLength), keccak256(add(search, 0x20), searchLength))
            )
        }
    }

    /// @dev Returns whether `subject` ends with `search`.
    function endsWith(string memory subject, string memory search) internal pure returns (bool result) {
        assembly {
            let searchLength := mload(search)
            let subjectLength := mload(subject)
            // Whether `search` is not longer than `subject`.
            let withinRange := iszero(gt(searchLength, subjectLength))
            // Just using keccak256 directly is actually cheaper.
            result := and(
                withinRange,
                eq(
                    keccak256(
                        // `subject + 0x20 + max(subjectLength - searchLength, 0)`.
                        add(add(subject, 0x20), mul(withinRange, sub(subjectLength, searchLength))),
                        searchLength
                    ),
                    keccak256(add(search, 0x20), searchLength)
                )
            )
        }
    }

    /// @dev Returns `subject` repeated `times`.
    function repeat(string memory subject, uint256 times) internal pure returns (string memory result) {
        assembly {
            let subjectLength := mload(subject)
            if iszero(or(iszero(times), iszero(subjectLength))) {
                subject := add(subject, 0x20)
                result := mload(0x40)
                let output := add(result, 0x20)
                // prettier-ignore
                for {} 1 {} {
                    // Copy the `subject` one word at a time.
                    // prettier-ignore
                    for { let o := 0 } 1 {} {
                        mstore(add(output, o), mload(add(subject, o)))
                        o := add(o, 0x20)
                        // prettier-ignore
                        if iszero(lt(o, subjectLength)) { break }
                    }
                    output := add(output, subjectLength)
                    times := sub(times, 1)
                    // prettier-ignore
                    if iszero(times) { break }
                }
                // Zeroize the slot after the string.
                mstore(output, 0)
                // Store the length.
                let resultLength := sub(output, add(result, 0x20))
                mstore(result, resultLength)
                // Allocate memory for the length and the bytes,
                // rounded up to a multiple of 32.
                mstore(0x40, add(result, and(add(resultLength, 63), not(31))))
            }
        }
    }

    /// @dev Returns a copy of `subject` sliced from `start` to `end` (exclusive).
    function slice(
        string memory subject,
        uint256 start,
        uint256 end
    ) internal pure returns (string memory result) {
        assembly {
            let subjectLength := mload(subject)
            // `end = min(end, subjectLength)`.
            end := xor(end, mul(xor(end, subjectLength), lt(subjectLength, end)))
            // `start = min(start, subjectLength)`.
            start := xor(start, mul(xor(start, subjectLength), lt(subjectLength, start)))
            if lt(start, end) {
                result := mload(0x40)
                let resultLength := sub(end, start)
                mstore(result, resultLength)
                subject := add(subject, start)
                // Copy the `subject` one word at a time, backwards.
                // prettier-ignore
                for { let o := and(add(resultLength, 31), not(31)) } 1 {} {
                    mstore(add(result, o), mload(add(subject, o)))
                    o := sub(o, 0x20)
                    // prettier-ignore
                    if iszero(o) { break }
                }
                // Zeroize the slot after the string.
                mstore(add(add(result, 0x20), resultLength), 0)
                // Allocate memory for the length and the bytes,
                // rounded up to a multiple of 32.
                mstore(0x40, add(result, and(add(resultLength, 63), not(31))))
            }
        }
    }

    /// @dev Returns a copy of `subject` sliced from `start` to the end of the string.
    function slice(string memory subject, uint256 start) internal pure returns (string memory result) {
        result = slice(subject, start, uint256(int256(-1)));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

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

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

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

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

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

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

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

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

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

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

// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import './IERC721A.sol';

/**
 * @dev Interface of ERC721 token receiver.
 */
interface ERC721A__IERC721Receiver {
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

/**
 * @title ERC721A
 *
 * @dev Implementation of the [ERC721](https://eips.ethereum.org/EIPS/eip-721)
 * Non-Fungible Token Standard, including the Metadata extension.
 * Optimized for lower gas during batch mints.
 *
 * Token IDs are minted in sequential order (e.g. 0, 1, 2, 3, ...)
 * starting from `_startTokenId()`.
 *
 * Assumptions:
 *
 * - An owner cannot have more than 2**64 - 1 (max value of uint64) of supply.
 * - The maximum token ID cannot exceed 2**256 - 1 (max value of uint256).
 */
contract ERC721A is IERC721A {
    // Bypass for a `--via-ir` bug (https://github.com/chiru-labs/ERC721A/pull/364).
    struct TokenApprovalRef {
        address value;
    }

    // =============================================================
    //                           CONSTANTS
    // =============================================================

    // Mask of an entry in packed address data.
    uint256 private constant _BITMASK_ADDRESS_DATA_ENTRY = (1 << 64) - 1;

    // The bit position of `numberMinted` in packed address data.
    uint256 private constant _BITPOS_NUMBER_MINTED = 64;

    // The bit position of `numberBurned` in packed address data.
    uint256 private constant _BITPOS_NUMBER_BURNED = 128;

    // The bit position of `aux` in packed address data.
    uint256 private constant _BITPOS_AUX = 192;

    // Mask of all 256 bits in packed address data except the 64 bits for `aux`.
    uint256 private constant _BITMASK_AUX_COMPLEMENT = (1 << 192) - 1;

    // The bit position of `startTimestamp` in packed ownership.
    uint256 private constant _BITPOS_START_TIMESTAMP = 160;

    // The bit mask of the `burned` bit in packed ownership.
    uint256 private constant _BITMASK_BURNED = 1 << 224;

    // The bit position of the `nextInitialized` bit in packed ownership.
    uint256 private constant _BITPOS_NEXT_INITIALIZED = 225;

    // The bit mask of the `nextInitialized` bit in packed ownership.
    uint256 private constant _BITMASK_NEXT_INITIALIZED = 1 << 225;

    // The bit position of `extraData` in packed ownership.
    uint256 private constant _BITPOS_EXTRA_DATA = 232;

    // Mask of all 256 bits in a packed ownership except the 24 bits for `extraData`.
    uint256 private constant _BITMASK_EXTRA_DATA_COMPLEMENT = (1 << 232) - 1;

    // The mask of the lower 160 bits for addresses.
    uint256 private constant _BITMASK_ADDRESS = (1 << 160) - 1;

    // The maximum `quantity` that can be minted with {_mintERC2309}.
    // This limit is to prevent overflows on the address data entries.
    // For a limit of 5000, a total of 3.689e15 calls to {_mintERC2309}
    // is required to cause an overflow, which is unrealistic.
    uint256 private constant _MAX_MINT_ERC2309_QUANTITY_LIMIT = 5000;

    // The `Transfer` event signature is given by:
    // `keccak256(bytes("Transfer(address,address,uint256)"))`.
    bytes32 private constant _TRANSFER_EVENT_SIGNATURE =
        0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef;

    // =============================================================
    //                            STORAGE
    // =============================================================

    // The next token ID to be minted.
    uint256 private _currentIndex;

    // The number of tokens burned.
    uint256 private _burnCounter;

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

    // Mapping from token ID to ownership details
    // An empty struct value does not necessarily mean the token is unowned.
    // See {_packedOwnershipOf} implementation for details.
    //
    // Bits Layout:
    // - [0..159]   `addr`
    // - [160..223] `startTimestamp`
    // - [224]      `burned`
    // - [225]      `nextInitialized`
    // - [232..255] `extraData`
    mapping(uint256 => uint256) private _packedOwnerships;

    // Mapping owner address to address data.
    //
    // Bits Layout:
    // - [0..63]    `balance`
    // - [64..127]  `numberMinted`
    // - [128..191] `numberBurned`
    // - [192..255] `aux`
    mapping(address => uint256) private _packedAddressData;

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

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

    // =============================================================
    //                          CONSTRUCTOR
    // =============================================================

    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
        _currentIndex = _startTokenId();
    }

    // =============================================================
    //                   TOKEN COUNTING OPERATIONS
    // =============================================================

    /**
     * @dev Returns the starting token ID.
     * To change the starting token ID, please override this function.
     */
    function _startTokenId() internal view virtual returns (uint256) {
        return 0;
    }

    /**
     * @dev Returns the next token ID to be minted.
     */
    function _nextTokenId() internal view virtual returns (uint256) {
        return _currentIndex;
    }

    /**
     * @dev Returns the total number of tokens in existence.
     * Burned tokens will reduce the count.
     * To get the total number of tokens minted, please see {_totalMinted}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        // Counter underflow is impossible as _burnCounter cannot be incremented
        // more than `_currentIndex - _startTokenId()` times.
        unchecked {
            return _currentIndex - _burnCounter - _startTokenId();
        }
    }

    /**
     * @dev Returns the total amount of tokens minted in the contract.
     */
    function _totalMinted() internal view virtual returns (uint256) {
        // Counter underflow is impossible as `_currentIndex` does not decrement,
        // and it is initialized to `_startTokenId()`.
        unchecked {
            return _currentIndex - _startTokenId();
        }
    }

    /**
     * @dev Returns the total number of tokens burned.
     */
    function _totalBurned() internal view virtual returns (uint256) {
        return _burnCounter;
    }

    // =============================================================
    //                    ADDRESS DATA OPERATIONS
    // =============================================================

    /**
     * @dev Returns the number of tokens in `owner`'s account.
     */
    function balanceOf(address owner) public view virtual override returns (uint256) {
        if (owner == address(0)) revert BalanceQueryForZeroAddress();
        return _packedAddressData[owner] & _BITMASK_ADDRESS_DATA_ENTRY;
    }

    /**
     * Returns the number of tokens minted by `owner`.
     */
    function _numberMinted(address owner) internal view returns (uint256) {
        return (_packedAddressData[owner] >> _BITPOS_NUMBER_MINTED) & _BITMASK_ADDRESS_DATA_ENTRY;
    }

    /**
     * Returns the number of tokens burned by or on behalf of `owner`.
     */
    function _numberBurned(address owner) internal view returns (uint256) {
        return (_packedAddressData[owner] >> _BITPOS_NUMBER_BURNED) & _BITMASK_ADDRESS_DATA_ENTRY;
    }

    /**
     * Returns the auxiliary data for `owner`. (e.g. number of whitelist mint slots used).
     */
    function _getAux(address owner) internal view returns (uint64) {
        return uint64(_packedAddressData[owner] >> _BITPOS_AUX);
    }

    /**
     * Sets the auxiliary data for `owner`. (e.g. number of whitelist mint slots used).
     * If there are multiple variables, please pack them into a uint64.
     */
    function _setAux(address owner, uint64 aux) internal virtual {
        uint256 packed = _packedAddressData[owner];
        uint256 auxCasted;
        // Cast `aux` with assembly to avoid redundant masking.
        assembly {
            auxCasted := aux
        }
        packed = (packed & _BITMASK_AUX_COMPLEMENT) | (auxCasted << _BITPOS_AUX);
        _packedAddressData[owner] = packed;
    }

    // =============================================================
    //                            IERC165
    // =============================================================

    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30000 gas.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        // The interface IDs are constants representing the first 4 bytes
        // of the XOR of all function selectors in the interface.
        // See: [ERC165](https://eips.ethereum.org/EIPS/eip-165)
        // (e.g. `bytes4(i.functionA.selector ^ i.functionB.selector ^ ...)`)
        return
            interfaceId == 0x01ffc9a7 || // ERC165 interface ID for ERC165.
            interfaceId == 0x80ac58cd || // ERC165 interface ID for ERC721.
            interfaceId == 0x5b5e139f; // ERC165 interface ID for ERC721Metadata.
    }

    // =============================================================
    //                        IERC721Metadata
    // =============================================================

    /**
     * @dev Returns the token collection name.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the token collection symbol.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        if (!_exists(tokenId)) revert URIQueryForNonexistentToken();

        string memory baseURI = _baseURI();
        return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, _toString(tokenId))) : '';
    }

    /**
     * @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, it can be overridden in child contracts.
     */
    function _baseURI() internal view virtual returns (string memory) {
        return '';
    }

    // =============================================================
    //                     OWNERSHIPS OPERATIONS
    // =============================================================

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        return address(uint160(_packedOwnershipOf(tokenId)));
    }

    /**
     * @dev Gas spent here starts off proportional to the maximum mint batch size.
     * It gradually moves to O(1) as tokens get transferred around over time.
     */
    function _ownershipOf(uint256 tokenId) internal view virtual returns (TokenOwnership memory) {
        return _unpackedOwnership(_packedOwnershipOf(tokenId));
    }

    /**
     * @dev Returns the unpacked `TokenOwnership` struct at `index`.
     */
    function _ownershipAt(uint256 index) internal view virtual returns (TokenOwnership memory) {
        return _unpackedOwnership(_packedOwnerships[index]);
    }

    /**
     * @dev Initializes the ownership slot minted at `index` for efficiency purposes.
     */
    function _initializeOwnershipAt(uint256 index) internal virtual {
        if (_packedOwnerships[index] == 0) {
            _packedOwnerships[index] = _packedOwnershipOf(index);
        }
    }

    /**
     * Returns the packed ownership data of `tokenId`.
     */
    function _packedOwnershipOf(uint256 tokenId) private view returns (uint256) {
        uint256 curr = tokenId;

        unchecked {
            if (_startTokenId() <= curr)
                if (curr < _currentIndex) {
                    uint256 packed = _packedOwnerships[curr];
                    // If not burned.
                    if (packed & _BITMASK_BURNED == 0) {
                        // Invariant:
                        // There will always be an initialized ownership slot
                        // (i.e. `ownership.addr != address(0) && ownership.burned == false`)
                        // before an unintialized ownership slot
                        // (i.e. `ownership.addr == address(0) && ownership.burned == false`)
                        // Hence, `curr` will not underflow.
                        //
                        // We can directly compare the packed value.
                        // If the address is zero, packed will be zero.
                        while (packed == 0) {
                            packed = _packedOwnerships[--curr];
                        }
                        return packed;
                    }
                }
        }
        revert OwnerQueryForNonexistentToken();
    }

    /**
     * @dev Returns the unpacked `TokenOwnership` struct from `packed`.
     */
    function _unpackedOwnership(uint256 packed) private pure returns (TokenOwnership memory ownership) {
        ownership.addr = address(uint160(packed));
        ownership.startTimestamp = uint64(packed >> _BITPOS_START_TIMESTAMP);
        ownership.burned = packed & _BITMASK_BURNED != 0;
        ownership.extraData = uint24(packed >> _BITPOS_EXTRA_DATA);
    }

    /**
     * @dev Packs ownership data into a single uint256.
     */
    function _packOwnershipData(address owner, uint256 flags) private view returns (uint256 result) {
        assembly {
            // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean.
            owner := and(owner, _BITMASK_ADDRESS)
            // `owner | (block.timestamp << _BITPOS_START_TIMESTAMP) | flags`.
            result := or(owner, or(shl(_BITPOS_START_TIMESTAMP, timestamp()), flags))
        }
    }

    /**
     * @dev Returns the `nextInitialized` flag set if `quantity` equals 1.
     */
    function _nextInitializedFlag(uint256 quantity) private pure returns (uint256 result) {
        // For branchless setting of the `nextInitialized` flag.
        assembly {
            // `(quantity == 1) << _BITPOS_NEXT_INITIALIZED`.
            result := shl(_BITPOS_NEXT_INITIALIZED, eq(quantity, 1))
        }
    }

    // =============================================================
    //                      APPROVAL OPERATIONS
    // =============================================================

    /**
     * @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) public payable virtual override {
        address owner = ownerOf(tokenId);

        if (_msgSenderERC721A() != owner)
            if (!isApprovedForAll(owner, _msgSenderERC721A())) {
                revert ApprovalCallerNotOwnerNorApproved();
            }

        _tokenApprovals[tokenId].value = to;
        emit Approval(owner, to, tokenId);
    }

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) public view virtual override returns (address) {
        if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken();

        return _tokenApprovals[tokenId].value;
    }

    /**
     * @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) public virtual override {
        _operatorApprovals[_msgSenderERC721A()][operator] = approved;
        emit ApprovalForAll(_msgSenderERC721A(), operator, approved);
    }

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

    /**
     * @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. See {_mint}.
     */
    function _exists(uint256 tokenId) internal view virtual returns (bool) {
        return
            _startTokenId() <= tokenId &&
            tokenId < _currentIndex && // If within bounds,
            _packedOwnerships[tokenId] & _BITMASK_BURNED == 0; // and not burned.
    }

    /**
     * @dev Returns whether `msgSender` is equal to `approvedAddress` or `owner`.
     */
    function _isSenderApprovedOrOwner(
        address approvedAddress,
        address owner,
        address msgSender
    ) private pure returns (bool result) {
        assembly {
            // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean.
            owner := and(owner, _BITMASK_ADDRESS)
            // Mask `msgSender` to the lower 160 bits, in case the upper bits somehow aren't clean.
            msgSender := and(msgSender, _BITMASK_ADDRESS)
            // `msgSender == owner || msgSender == approvedAddress`.
            result := or(eq(msgSender, owner), eq(msgSender, approvedAddress))
        }
    }

    /**
     * @dev Returns the storage slot and value for the approved address of `tokenId`.
     */
    function _getApprovedSlotAndAddress(uint256 tokenId)
        private
        view
        returns (uint256 approvedAddressSlot, address approvedAddress)
    {
        TokenApprovalRef storage tokenApproval = _tokenApprovals[tokenId];
        // The following is equivalent to `approvedAddress = _tokenApprovals[tokenId].value`.
        assembly {
            approvedAddressSlot := tokenApproval.slot
            approvedAddress := sload(approvedAddressSlot)
        }
    }

    // =============================================================
    //                      TRANSFER OPERATIONS
    // =============================================================

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *
     * 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
    ) public payable virtual override {
        uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);

        if (address(uint160(prevOwnershipPacked)) != from) revert TransferFromIncorrectOwner();

        (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId);

        // The nested ifs save around 20+ gas over a compound boolean condition.
        if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A()))
            if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved();

        if (to == address(0)) revert TransferToZeroAddress();

        _beforeTokenTransfers(from, to, tokenId, 1);

        // Clear approvals from the previous owner.
        assembly {
            if approvedAddress {
                // This is equivalent to `delete _tokenApprovals[tokenId]`.
                sstore(approvedAddressSlot, 0)
            }
        }

        // Underflow of the sender's balance is impossible because we check for
        // ownership above and the recipient's balance can't realistically overflow.
        // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256.
        unchecked {
            // We can directly increment and decrement the balances.
            --_packedAddressData[from]; // Updates: `balance -= 1`.
            ++_packedAddressData[to]; // Updates: `balance += 1`.

            // Updates:
            // - `address` to the next owner.
            // - `startTimestamp` to the timestamp of transfering.
            // - `burned` to `false`.
            // - `nextInitialized` to `true`.
            _packedOwnerships[tokenId] = _packOwnershipData(
                to,
                _BITMASK_NEXT_INITIALIZED | _nextExtraData(from, to, prevOwnershipPacked)
            );

            // If the next slot may not have been initialized (i.e. `nextInitialized == false`) .
            if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) {
                uint256 nextTokenId = tokenId + 1;
                // If the next slot's address is zero and not burned (i.e. packed value is zero).
                if (_packedOwnerships[nextTokenId] == 0) {
                    // If the next slot is within bounds.
                    if (nextTokenId != _currentIndex) {
                        // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`.
                        _packedOwnerships[nextTokenId] = prevOwnershipPacked;
                    }
                }
            }
        }

        emit Transfer(from, to, tokenId);
        _afterTokenTransfers(from, to, tokenId, 1);
    }

    /**
     * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public payable virtual override {
        safeTransferFrom(from, to, tokenId, '');
    }

    /**
     * @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 memory _data
    ) public payable virtual override {
        transferFrom(from, to, tokenId);
        if (to.code.length != 0)
            if (!_checkContractOnERC721Received(from, to, tokenId, _data)) {
                revert TransferToNonERC721ReceiverImplementer();
            }
    }

    /**
     * @dev Hook that is called before a set of serially-ordered token IDs
     * are about to be transferred. This includes minting.
     * And also called before burning one token.
     *
     * `startTokenId` - the first token ID to be transferred.
     * `quantity` - the amount to be transferred.
     *
     * 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, `tokenId` will be burned by `from`.
     * - `from` and `to` are never both zero.
     */
    function _beforeTokenTransfers(
        address from,
        address to,
        uint256 startTokenId,
        uint256 quantity
    ) internal virtual {}

    /**
     * @dev Hook that is called after a set of serially-ordered token IDs
     * have been transferred. This includes minting.
     * And also called after one token has been burned.
     *
     * `startTokenId` - the first token ID to be transferred.
     * `quantity` - the amount to be transferred.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, `from`'s `tokenId` has been
     * transferred to `to`.
     * - When `from` is zero, `tokenId` has been minted for `to`.
     * - When `to` is zero, `tokenId` has been burned by `from`.
     * - `from` and `to` are never both zero.
     */
    function _afterTokenTransfers(
        address from,
        address to,
        uint256 startTokenId,
        uint256 quantity
    ) internal virtual {}

    /**
     * @dev Private function to invoke {IERC721Receiver-onERC721Received} on a target contract.
     *
     * `from` - Previous owner of the given token ID.
     * `to` - Target address that will receive the token.
     * `tokenId` - Token ID to be transferred.
     * `_data` - Optional data to send along with the call.
     *
     * Returns whether the call correctly returned the expected magic value.
     */
    function _checkContractOnERC721Received(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) private returns (bool) {
        try ERC721A__IERC721Receiver(to).onERC721Received(_msgSenderERC721A(), from, tokenId, _data) returns (
            bytes4 retval
        ) {
            return retval == ERC721A__IERC721Receiver(to).onERC721Received.selector;
        } catch (bytes memory reason) {
            if (reason.length == 0) {
                revert TransferToNonERC721ReceiverImplementer();
            } else {
                assembly {
                    revert(add(32, reason), mload(reason))
                }
            }
        }
    }

    // =============================================================
    //                        MINT OPERATIONS
    // =============================================================

    /**
     * @dev Mints `quantity` tokens and transfers them to `to`.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `quantity` must be greater than 0.
     *
     * Emits a {Transfer} event for each mint.
     */
    function _mint(address to, uint256 quantity) internal virtual {
        uint256 startTokenId = _currentIndex;
        if (quantity == 0) revert MintZeroQuantity();

        _beforeTokenTransfers(address(0), to, startTokenId, quantity);

        // Overflows are incredibly unrealistic.
        // `balance` and `numberMinted` have a maximum limit of 2**64.
        // `tokenId` has a maximum limit of 2**256.
        unchecked {
            // Updates:
            // - `balance += quantity`.
            // - `numberMinted += quantity`.
            //
            // We can directly add to the `balance` and `numberMinted`.
            _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1);

            // Updates:
            // - `address` to the owner.
            // - `startTimestamp` to the timestamp of minting.
            // - `burned` to `false`.
            // - `nextInitialized` to `quantity == 1`.
            _packedOwnerships[startTokenId] = _packOwnershipData(
                to,
                _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0)
            );

            uint256 toMasked;
            uint256 end = startTokenId + quantity;

            // Use assembly to loop and emit the `Transfer` event for gas savings.
            // The duplicated `log4` removes an extra check and reduces stack juggling.
            // The assembly, together with the surrounding Solidity code, have been
            // delicately arranged to nudge the compiler into producing optimized opcodes.
            assembly {
                // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean.
                toMasked := and(to, _BITMASK_ADDRESS)
                // Emit the `Transfer` event.
                log4(
                    0, // Start of data (0, since no data).
                    0, // End of data (0, since no data).
                    _TRANSFER_EVENT_SIGNATURE, // Signature.
                    0, // `address(0)`.
                    toMasked, // `to`.
                    startTokenId // `tokenId`.
                )

                // The `iszero(eq(,))` check ensures that large values of `quantity`
                // that overflows uint256 will make the loop run out of gas.
                // The compiler will optimize the `iszero` away for performance.
                for {
                    let tokenId := add(startTokenId, 1)
                } iszero(eq(tokenId, end)) {
                    tokenId := add(tokenId, 1)
                } {
                    // Emit the `Transfer` event. Similar to above.
                    log4(0, 0, _TRANSFER_EVENT_SIGNATURE, 0, toMasked, tokenId)
                }
            }
            if (toMasked == 0) revert MintToZeroAddress();

            _currentIndex = end;
        }
        _afterTokenTransfers(address(0), to, startTokenId, quantity);
    }

    /**
     * @dev Mints `quantity` tokens and transfers them to `to`.
     *
     * This function is intended for efficient minting only during contract creation.
     *
     * It emits only one {ConsecutiveTransfer} as defined in
     * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309),
     * instead of a sequence of {Transfer} event(s).
     *
     * Calling this function outside of contract creation WILL make your contract
     * non-compliant with the ERC721 standard.
     * For full ERC721 compliance, substituting ERC721 {Transfer} event(s) with the ERC2309
     * {ConsecutiveTransfer} event is only permissible during contract creation.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `quantity` must be greater than 0.
     *
     * Emits a {ConsecutiveTransfer} event.
     */
    function _mintERC2309(address to, uint256 quantity) internal virtual {
        uint256 startTokenId = _currentIndex;
        if (to == address(0)) revert MintToZeroAddress();
        if (quantity == 0) revert MintZeroQuantity();
        if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT) revert MintERC2309QuantityExceedsLimit();

        _beforeTokenTransfers(address(0), to, startTokenId, quantity);

        // Overflows are unrealistic due to the above check for `quantity` to be below the limit.
        unchecked {
            // Updates:
            // - `balance += quantity`.
            // - `numberMinted += quantity`.
            //
            // We can directly add to the `balance` and `numberMinted`.
            _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1);

            // Updates:
            // - `address` to the owner.
            // - `startTimestamp` to the timestamp of minting.
            // - `burned` to `false`.
            // - `nextInitialized` to `quantity == 1`.
            _packedOwnerships[startTokenId] = _packOwnershipData(
                to,
                _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0)
            );

            emit ConsecutiveTransfer(startTokenId, startTokenId + quantity - 1, address(0), to);

            _currentIndex = startTokenId + quantity;
        }
        _afterTokenTransfers(address(0), to, startTokenId, quantity);
    }

    /**
     * @dev Safely mints `quantity` tokens and transfers them to `to`.
     *
     * Requirements:
     *
     * - If `to` refers to a smart contract, it must implement
     * {IERC721Receiver-onERC721Received}, which is called for each safe transfer.
     * - `quantity` must be greater than 0.
     *
     * See {_mint}.
     *
     * Emits a {Transfer} event for each mint.
     */
    function _safeMint(
        address to,
        uint256 quantity,
        bytes memory _data
    ) internal virtual {
        _mint(to, quantity);

        unchecked {
            if (to.code.length != 0) {
                uint256 end = _currentIndex;
                uint256 index = end - quantity;
                do {
                    if (!_checkContractOnERC721Received(address(0), to, index++, _data)) {
                        revert TransferToNonERC721ReceiverImplementer();
                    }
                } while (index < end);
                // Reentrancy protection.
                if (_currentIndex != end) revert();
            }
        }
    }

    /**
     * @dev Equivalent to `_safeMint(to, quantity, '')`.
     */
    function _safeMint(address to, uint256 quantity) internal virtual {
        _safeMint(to, quantity, '');
    }

    // =============================================================
    //                        BURN OPERATIONS
    // =============================================================

    /**
     * @dev Equivalent to `_burn(tokenId, false)`.
     */
    function _burn(uint256 tokenId) internal virtual {
        _burn(tokenId, false);
    }

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

        address from = address(uint160(prevOwnershipPacked));

        (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId);

        if (approvalCheck) {
            // The nested ifs save around 20+ gas over a compound boolean condition.
            if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A()))
                if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved();
        }

        _beforeTokenTransfers(from, address(0), tokenId, 1);

        // Clear approvals from the previous owner.
        assembly {
            if approvedAddress {
                // This is equivalent to `delete _tokenApprovals[tokenId]`.
                sstore(approvedAddressSlot, 0)
            }
        }

        // Underflow of the sender's balance is impossible because we check for
        // ownership above and the recipient's balance can't realistically overflow.
        // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256.
        unchecked {
            // Updates:
            // - `balance -= 1`.
            // - `numberBurned += 1`.
            //
            // We can directly decrement the balance, and increment the number burned.
            // This is equivalent to `packed -= 1; packed += 1 << _BITPOS_NUMBER_BURNED;`.
            _packedAddressData[from] += (1 << _BITPOS_NUMBER_BURNED) - 1;

            // Updates:
            // - `address` to the last owner.
            // - `startTimestamp` to the timestamp of burning.
            // - `burned` to `true`.
            // - `nextInitialized` to `true`.
            _packedOwnerships[tokenId] = _packOwnershipData(
                from,
                (_BITMASK_BURNED | _BITMASK_NEXT_INITIALIZED) | _nextExtraData(from, address(0), prevOwnershipPacked)
            );

            // If the next slot may not have been initialized (i.e. `nextInitialized == false`) .
            if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) {
                uint256 nextTokenId = tokenId + 1;
                // If the next slot's address is zero and not burned (i.e. packed value is zero).
                if (_packedOwnerships[nextTokenId] == 0) {
                    // If the next slot is within bounds.
                    if (nextTokenId != _currentIndex) {
                        // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`.
                        _packedOwnerships[nextTokenId] = prevOwnershipPacked;
                    }
                }
            }
        }

        emit Transfer(from, address(0), tokenId);
        _afterTokenTransfers(from, address(0), tokenId, 1);

        // Overflow not possible, as _burnCounter cannot be exceed _currentIndex times.
        unchecked {
            _burnCounter++;
        }
    }

    // =============================================================
    //                     EXTRA DATA OPERATIONS
    // =============================================================

    /**
     * @dev Directly sets the extra data for the ownership data `index`.
     */
    function _setExtraDataAt(uint256 index, uint24 extraData) internal virtual {
        uint256 packed = _packedOwnerships[index];
        if (packed == 0) revert OwnershipNotInitializedForExtraData();
        uint256 extraDataCasted;
        // Cast `extraData` with assembly to avoid redundant masking.
        assembly {
            extraDataCasted := extraData
        }
        packed = (packed & _BITMASK_EXTRA_DATA_COMPLEMENT) | (extraDataCasted << _BITPOS_EXTRA_DATA);
        _packedOwnerships[index] = packed;
    }

    /**
     * @dev Called during each token transfer to set the 24bit `extraData` field.
     * Intended to be overridden by the cosumer contract.
     *
     * `previousExtraData` - the value of `extraData` before transfer.
     *
     * 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, `tokenId` will be burned by `from`.
     * - `from` and `to` are never both zero.
     */
    function _extraData(
        address from,
        address to,
        uint24 previousExtraData
    ) internal view virtual returns (uint24) {}

    /**
     * @dev Returns the next extra data for the packed ownership data.
     * The returned result is shifted into position.
     */
    function _nextExtraData(
        address from,
        address to,
        uint256 prevOwnershipPacked
    ) private view returns (uint256) {
        uint24 extraData = uint24(prevOwnershipPacked >> _BITPOS_EXTRA_DATA);
        return uint256(_extraData(from, to, extraData)) << _BITPOS_EXTRA_DATA;
    }

    // =============================================================
    //                       OTHER OPERATIONS
    // =============================================================

    /**
     * @dev Returns the message sender (defaults to `msg.sender`).
     *
     * If you are writing GSN compatible contracts, you need to override this function.
     */
    function _msgSenderERC721A() internal view virtual returns (address) {
        return msg.sender;
    }

    /**
     * @dev Converts a uint256 to its ASCII string decimal representation.
     */
    function _toString(uint256 value) internal pure virtual returns (string memory str) {
        assembly {
            // The maximum value of a uint256 contains 78 digits (1 byte per digit), but
            // we allocate 0xa0 bytes to keep the free memory pointer 32-byte word aligned.
            // We will need 1 word for the trailing zeros padding, 1 word for the length,
            // and 3 words for a maximum of 78 digits. Total: 5 * 0x20 = 0xa0.
            let m := add(mload(0x40), 0xa0)
            // Update the free memory pointer to allocate.
            mstore(0x40, m)
            // Assign the `str` to the end.
            str := sub(m, 0x20)
            // Zeroize the slot after the string.
            mstore(str, 0)

            // Cache the end of the memory to calculate the length later.
            let end := str

            // We write the string from rightmost digit to leftmost digit.
            // The following is essentially a do-while loop that also handles the zero case.
            // prettier-ignore
            for { let temp := value } 1 {} {
                str := sub(str, 1)
                // Write the character to the pointer.
                // The ASCII index of the '0' character is 48.
                mstore8(str, add(48, mod(temp, 10)))
                // Keep dividing `temp` until zero.
                temp := div(temp, 10)
                // prettier-ignore
                if iszero(temp) { break }
            }

            let length := sub(end, str)
            // Move the pointer 32 bytes leftwards to make room for the length.
            str := sub(str, 0x20)
            // Store the length.
            mstore(str, length)
        }
    }
}

// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs

pragma solidity ^0.8.4;

/**
 * @dev Interface of ERC721A.
 */
interface IERC721A {
    /**
     * The caller must own the token or be an approved operator.
     */
    error ApprovalCallerNotOwnerNorApproved();

    /**
     * The token does not exist.
     */
    error ApprovalQueryForNonexistentToken();

    /**
     * Cannot query the balance for the zero address.
     */
    error BalanceQueryForZeroAddress();

    /**
     * Cannot mint to the zero address.
     */
    error MintToZeroAddress();

    /**
     * The quantity of tokens minted must be more than zero.
     */
    error MintZeroQuantity();

    /**
     * The token does not exist.
     */
    error OwnerQueryForNonexistentToken();

    /**
     * The caller must own the token or be an approved operator.
     */
    error TransferCallerNotOwnerNorApproved();

    /**
     * The token must be owned by `from`.
     */
    error TransferFromIncorrectOwner();

    /**
     * Cannot safely transfer to a contract that does not implement the
     * ERC721Receiver interface.
     */
    error TransferToNonERC721ReceiverImplementer();

    /**
     * Cannot transfer to the zero address.
     */
    error TransferToZeroAddress();

    /**
     * The token does not exist.
     */
    error URIQueryForNonexistentToken();

    /**
     * The `quantity` minted with ERC2309 exceeds the safety limit.
     */
    error MintERC2309QuantityExceedsLimit();

    /**
     * The `extraData` cannot be set on an unintialized ownership slot.
     */
    error OwnershipNotInitializedForExtraData();

    // =============================================================
    //                            STRUCTS
    // =============================================================

    struct TokenOwnership {
        // The address of the owner.
        address addr;
        // Stores the start time of ownership with minimal overhead for tokenomics.
        uint64 startTimestamp;
        // Whether the token has been burned.
        bool burned;
        // Arbitrary data similar to `startTimestamp` that can be set via {_extraData}.
        uint24 extraData;
    }

    // =============================================================
    //                         TOKEN COUNTERS
    // =============================================================

    /**
     * @dev Returns the total number of tokens in existence.
     * Burned tokens will reduce the count.
     * To get the total number of tokens minted, please see {_totalMinted}.
     */
    function totalSupply() external view returns (uint256);

    // =============================================================
    //                            IERC165
    // =============================================================

    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);

    // =============================================================
    //                            IERC721
    // =============================================================

    /**
     * @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,
        bytes calldata data
    ) external payable;

    /**
     * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external payable;

    /**
     * @dev Transfers `tokenId` 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 payable;

    /**
     * @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 payable;

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

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

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

    // =============================================================
    //                        IERC721Metadata
    // =============================================================

    /**
     * @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);

    // =============================================================
    //                           IERC2309
    // =============================================================

    /**
     * @dev Emitted when tokens in `fromTokenId` to `toTokenId`
     * (inclusive) is transferred from `from` to `to`, as defined in the
     * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309) standard.
     *
     * See {_mintERC2309} for more details.
     */
    event ConsecutiveTransfer(uint256 indexed fromTokenId, uint256 toTokenId, address indexed from, address indexed to);
}

// 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;
    }
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferToNonERC721ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"URIQueryForNonexistentToken","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"fromTokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"toTokenId","type":"uint256"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"ConsecutiveTransfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"minted","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":"address","name":"_user","type":"address"},{"internalType":"uint256","name":"_count","type":"uint256"}],"name":"ownerMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"price","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"count","type":"uint256"}],"name":"publicMint","outputs":[],"stateMutability":"payable","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":"payable","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":"payable","type":"function"},{"inputs":[],"name":"saleState","outputs":[{"internalType":"enum SaleState","name":"","type":"uint8"}],"stateMutability":"view","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":"_newArtUri","type":"string"}],"name":"setArtUri","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newMaxSupply","type":"uint256"}],"name":"setMaxSupply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newPrice","type":"uint256"}],"name":"setPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"enum SaleState","name":"newSaleState","type":"uint8"}],"name":"setSaleState","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdrawEth","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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