Contract

Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

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

import '@openzeppelin/contracts/access/Ownable.sol';
import 'erc721a/contracts/ERC721A.sol';
import 'erc721a/contracts/extensions/ERC721ABurnable.sol';
import 'erc721a/contracts/extensions/ERC721AQueryable.sol';
import 'solady/src/utils/ECDSA.sol';
import 'solady/src/utils/LibString.sol';
import 'solady/src/utils/SafeTransferLib.sol';

contract Homie is ERC721A, ERC721ABurnable, ERC721AQueryable, Ownable {
    using ECDSA for bytes32;

    uint256 public constant PS_FREE_LIMIT = 2;

    uint256 public constant PS_PRICE = 0.02 ether;

    uint256 public constant PER_ACCOUNT_SALE_LIMIT = 5;

    uint8 public constant SALE_STATE_OG = 1;

    uint8 public constant SALE_STATE_WL = 2;

    uint8 public constant SALE_STATE_PS = 3;

    string private _unrevealedURI;

    string private _revealedURI;

    address public signer;

    uint16 public maxSupply;

    uint8 public saleState;

    bool public mintLocked;

    bool public maxSupplyLocked;

    bool public tokenURILocked;
    
    constructor() ERC721A('Homie', 'HOMIE') {}
    
    function _startTokenId() internal view virtual override returns (uint256) {
        return 1;
    }

    function tokenURI(uint256 tokenId) public view override returns (string memory) {
        if (bytes(_revealedURI).length != 0) {
            return LibString.replace(_revealedURI, '{id}', _toString(tokenId));
        }
        return _unrevealedURI;
    }

    function mint(uint256 quantity, bytes calldata signature) external payable {
        require(tx.origin == msg.sender, 'Not EOA.');
        unchecked {
            if (saleState == SALE_STATE_OG || saleState == SALE_STATE_WL) {
                _validateSignature(signature);
                _addToMintedAndCheckLimitAndPrice(msg.sender, quantity);
            } else if (saleState == SALE_STATE_PS) {
                _addToMintedAndCheckLimitAndPrice(msg.sender, quantity);
            } else {
                revert('Not open.');
            }            
        }
        _checkMint(quantity);
        _mint(msg.sender, quantity);
    }

    function numberMintedForCurrentSale(address minter) external view returns (uint256) {
        (, uint256 prev, ) = _incrementedAuxForCurrentSale(minter, 0);
        return prev;
    }

    function _checkMint(uint256 quantity) private view {
        unchecked {
            require(mintLocked == false, 'Locked.');
            require(_totalMinted() + quantity <= maxSupply, 'Out of stock!');
        }
    }

    function _incrementedAux(
        address minter, 
        uint256 state, 
        uint256 quantity
    ) private view returns (uint64 packed, uint256 prev, uint256 result) {
        uint64 aux = _getAux(minter);
        assembly {
            let shift := shl(4, sub(byte(state, hex"0001020304"), 1))
            prev := and(shr(shift, aux), 0xffff)
            result := add(prev, quantity)
            packed := xor(aux, shl(shift, xor(prev, result)))
        }
    }

    function _incrementedAuxForCurrentSale(
        address minter,
        uint256 quantity
    ) private view returns (uint64 packed, uint256 prev, uint256 result) {
        uint256 state = saleState;
        assembly {
            state := byte(state, hex"0001010304")
        }
        return _incrementedAux(minter, state, quantity);
    }

    function _addToMintedAndCheckLimitAndPrice(
        address minter,
        uint256 quantity
    ) private {
        unchecked {
            (uint64 packed, uint256 prev, uint256 result) =
                _incrementedAuxForCurrentSale(minter, quantity);
            require(result <= PER_ACCOUNT_SALE_LIMIT, 'No more slots.');
            if (saleState == SALE_STATE_PS) {
                uint256 totalPrice;
                assembly {
                    let resultDiff := mul(sub(result, PS_FREE_LIMIT), gt(result, PS_FREE_LIMIT))
                    let prevDiff := mul(sub(prev, PS_FREE_LIMIT), gt(prev, PS_FREE_LIMIT))
                    totalPrice := mul(sub(resultDiff, prevDiff), PS_PRICE)
                }
                require(msg.value == totalPrice, 'Wrong Ether value.');    
            }
            _setAux(minter, packed);
        }
    }

    function _validateSignature(bytes calldata signature) private view {
        bytes32 hash = keccak256(abi.encode(msg.sender, saleState));
        address recovered = hash.toEthSignedMessageHash().recover(signature);
        require(recovered == signer, 'Invalid signature.');
    }

    // =============================================================
    //                        ADMIN FUNCTIONS
    // =============================================================

    function forceMint(address[] calldata to, uint256 quantity) external onlyOwner {
        unchecked {
            for (uint256 i; i != to.length; ++i) {
                _checkMint(quantity);
                _mint(to[i], quantity);
            }
        }
    }

    function selfMint(uint256 quantity) external onlyOwner {
        _checkMint(quantity);
        unchecked {
            uint256 miniBatchSize = 8;
            uint256 i = quantity % miniBatchSize;
            _mint(msg.sender, i);
            while (i != quantity) {
                _mint(msg.sender, miniBatchSize);
                i += miniBatchSize;
            }
        }
    }

    function setRevealedURI(string calldata value) external onlyOwner {
        require(tokenURILocked == false, "Locked.");
        _revealedURI = value;
    }

    function setUnrevealedURI(string calldata value) external onlyOwner {
        require(tokenURILocked == false, "Locked.");
        _unrevealedURI = value;
    }

    function setMaxSupply(uint16 value) external onlyOwner {
        require(maxSupplyLocked == false, "Locked.");
        maxSupply = value;
    }

    function setSaleState(uint8 value) external onlyOwner {
        if (saleState != 0) {
            require(maxSupply != 0, "Max supply not set.");
            require(signer != address(0), "Signer not set.");
        }
        saleState = value;
    }

    function setSigner(address value) external onlyOwner {
        signer = value;
    }

    function lockMint() external onlyOwner {
        mintLocked = true;
    }

    function lockMaxSupply() external onlyOwner {
        maxSupplyLocked = true;
    }

    function lockTokenURI() external onlyOwner {
        tokenURILocked = true;
    }

    function withdraw() payable external onlyOwner {
        SafeTransferLib.safeTransferETH(msg.sender, address(this).balance);
    }
}

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

/// @notice Safe ETH and ERC20 transfer library that gracefully handles missing return values.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/utils/SafeTransferLib.sol)
/// @author Modified from Solmate (https://github.com/Rari-Capital/solmate/blob/main/src/utils/SafeTransferLib.sol)
/// @dev Caution! This library won't check that a token has code, responsibility is delegated to the caller.
library SafeTransferLib {
    /*//////////////////////////////////////////////////////////////
                              CUSTOM ERRORS
    //////////////////////////////////////////////////////////////*/

    error ETHTransferFailed();

    error TransferFromFailed();

    error TransferFailed();

    error ApproveFailed();

    /*//////////////////////////////////////////////////////////////
                             ETH OPERATIONS
    //////////////////////////////////////////////////////////////*/

    function safeTransferETH(address to, uint256 amount) internal {
        assembly {
            // Transfer the ETH and check if it succeeded or not.
            if iszero(call(gas(), to, amount, 0, 0, 0, 0)) {
                // Store the function selector of `ETHTransferFailed()`.
                mstore(0x00, 0xb12d13eb)
                // Revert with (offset, size).
                revert(0x1c, 0x04)
            }
        }
    }

    /*//////////////////////////////////////////////////////////////
                            ERC20 OPERATIONS
    //////////////////////////////////////////////////////////////*/

    function safeTransferFrom(
        address token,
        address from,
        address to,
        uint256 amount
    ) internal {
        assembly {
            // We'll write our calldata to this slot below, but restore it later.
            let memPointer := mload(0x40)

            // Write the abi-encoded calldata into memory, beginning with the function selector.
            mstore(0x00, 0x23b872dd)
            mstore(0x20, from) // Append the "from" argument.
            mstore(0x40, to) // Append the "to" argument.
            mstore(0x60, amount) // Append the "amount" argument.

            if iszero(
                and(
                    // Set success to whether the call reverted, if not we check it either
                    // returned exactly 1 (can't just be non-zero data), or had no return data.
                    or(eq(mload(0x00), 1), iszero(returndatasize())),
                    // We use 0x64 because that's the total length of our calldata (0x04 + 0x20 * 3)
                    // Counterintuitively, this call() must be positioned after the or() in the
                    // surrounding and() because and() evaluates its arguments from right to left.
                    call(gas(), token, 0, 0x1c, 0x64, 0x00, 0x20)
                )
            ) {
                // Store the function selector of `TransferFromFailed()`.
                mstore(0x00, 0x7939f424)
                // Revert with (offset, size).
                revert(0x1c, 0x04)
            }

            mstore(0x60, 0) // Restore the zero slot to zero.
            mstore(0x40, memPointer) // Restore the memPointer.
        }
    }

    function safeTransfer(
        address token,
        address to,
        uint256 amount
    ) internal {
        assembly {
            // We'll write our calldata to this slot below, but restore it later.
            let memPointer := mload(0x40)

            // Write the abi-encoded calldata into memory, beginning with the function selector.
            mstore(0x00, 0xa9059cbb)
            mstore(0x20, to) // Append the "to" argument.
            mstore(0x40, amount) // Append the "amount" argument.

            if iszero(
                and(
                    // Set success to whether the call reverted, if not we check it either
                    // returned exactly 1 (can't just be non-zero data), or had no return data.
                    or(eq(mload(0x00), 1), iszero(returndatasize())),
                    // We use 0x44 because that's the total length of our calldata (0x04 + 0x20 * 2)
                    // Counterintuitively, this call() must be positioned after the or() in the
                    // surrounding and() because and() evaluates its arguments from right to left.
                    call(gas(), token, 0, 0x1c, 0x44, 0x00, 0x20)
                )
            ) {
                // Store the function selector of `TransferFailed()`.
                mstore(0x00, 0x90b8ec18)
                // Revert with (offset, size).
                revert(0x1c, 0x04)
            }

            mstore(0x40, memPointer) // Restore the memPointer.
        }
    }

    function safeApprove(
        address token,
        address to,
        uint256 amount
    ) internal {
        assembly {
            // We'll write our calldata to this slot below, but restore it later.
            let memPointer := mload(0x40)

            // Write the abi-encoded calldata into memory, beginning with the function selector.
            mstore(0x00, 0x095ea7b3)
            mstore(0x20, to) // Append the "to" argument.
            mstore(0x40, amount) // Append the "amount" argument.

            if iszero(
                and(
                    // Set success to whether the call reverted, if not we check it either
                    // returned exactly 1 (can't just be non-zero data), or had no return data.
                    or(eq(mload(0x00), 1), iszero(returndatasize())),
                    // We use 0x44 because that's the total length of our calldata (0x04 + 0x20 * 2)
                    // Counterintuitively, this call() must be positioned after the or() in the
                    // surrounding and() because and() evaluates its arguments from right to left.
                    call(gas(), token, 0, 0x1c, 0x44, 0x00, 0x20)
                )
            ) {
                // Store the function selector of `ApproveFailed()`.
                mstore(0x00, 0x3e3f8f73)
                // Revert with (offset, size).
                revert(0x1c, 0x04)
            }

            mstore(0x40, memPointer) // Restore the memPointer.
        }
    }
}

// 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/Rari-Capital/solmate/blob/main/src/utils/LibString.sol)
library LibString {
    /*//////////////////////////////////////////////////////////////
                              CUSTOM ERRORS
    //////////////////////////////////////////////////////////////*/

    error HexLengthInsufficient();

    /*//////////////////////////////////////////////////////////////
                           DECIMAL OPERATIONS
    //////////////////////////////////////////////////////////////*/

    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 128 bytes to keep the free memory pointer 32-byte word aliged.
            // We will need 1 32-byte word to store the length,
            // and 3 32-byte words to store a maximum of 78 digits. Total: 32 + 3 * 32 = 128.
            str := add(mload(0x40), 128)
            // Update the free memory pointer to allocate.
            mstore(0x40, str)

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

            // We write the string from the rightmost digit to the leftmost digit.
            // The following is essentially a do-while loop that also handles the zero case.
            // Costs a bit more than early returning for the zero case,
            // but cheaper in terms of deployment and overall runtime costs.
            for {
                // Initialize and perform the first pass without check.
                let temp := value
                // Move the pointer 1 byte leftwards to point to an empty character slot.
                str := sub(str, 1)
                // Write the character to the pointer. 48 is the ASCII index of '0'.
                mstore8(str, add(48, mod(temp, 10)))
                temp := div(temp, 10)
            } temp {
                // Keep dividing `temp` until zero.
                temp := div(temp, 10)
            } {
                // Body of the for loop.
                str := sub(str, 1)
                mstore8(str, add(48, mod(temp, 10)))
            }

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

    /*//////////////////////////////////////////////////////////////
                         HEXADECIMAL OPERATIONS
    //////////////////////////////////////////////////////////////*/

    function toHexString(uint256 value, uint256 length) internal pure returns (string memory str) {
        assembly {
            let start := mload(0x40)
            // We need length * 2 bytes for the digits, 2 bytes for the prefix,
            // and 32 bytes for the length. We add 32 to the total and round down
            // to a multiple of 32. (32 + 2 + 32) = 66.
            str := add(start, and(add(shl(1, length), 66), not(31)))

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

            // Allocate the memory.
            mstore(0x40, str)

            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.
            for {
                // Initialize and perform the first pass without check.
                str := sub(str, 2)
                mstore8(add(str, 1), byte(and(temp, 15), "0123456789abcdef"))
                mstore8(str, byte(and(shr(4, temp), 15), "0123456789abcdef"))
                temp := shr(8, temp)
                length := sub(length, 1)
            } length {
                length := sub(length, 1)
            } {
                str := sub(str, 2)
                mstore8(add(str, 1), byte(and(temp, 15), "0123456789abcdef"))
                mstore8(str, byte(and(shr(4, temp), 15), "0123456789abcdef"))
                temp := shr(8, temp)
            }

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

    function toHexString(uint256 value) internal pure returns (string memory str) {
        assembly {
            let start := mload(0x40)
            // We need 32 bytes for the length, 2 bytes for the prefix,
            // and 64 bytes for the digits.
            // The next multiple of 32 above (32 + 2 + 64) is 128.
            str := add(start, 128)

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

            // Allocate the memory.
            mstore(0x40, 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.
            for {
                // Initialize and perform the first pass without check.
                let temp := value
                str := sub(str, 2)
                mstore8(add(str, 1), byte(and(temp, 15), "0123456789abcdef"))
                mstore8(str, byte(and(shr(4, temp), 15), "0123456789abcdef"))
                temp := shr(8, temp)
            } temp {
                // prettier-ignore
            } {
                str := sub(str, 2)
                mstore8(add(str, 1), byte(and(temp, 15), "0123456789abcdef"))
                mstore8(str, byte(and(shr(4, temp), 15), "0123456789abcdef"))
                temp := shr(8, temp)
            }

            // Compute the string's length.
            let strLength := add(sub(end, str), 2)
            // 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, strLength)
        }
    }

    function toHexString(address value) internal pure returns (string memory str) {
        assembly {
            let start := mload(0x40)
            // We need 32 bytes for the length, 2 bytes for the prefix,
            // and 40 bytes for the digits.
            // The next multiple of 32 above (32 + 2 + 40) is 96.
            str := add(start, 96)

            // Allocate the memory.
            mstore(0x40, 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.
            for {
                // Initialize and perform the first pass without check.
                let length := 20
                let temp := value
                str := sub(str, 2)
                mstore8(add(str, 1), byte(and(temp, 15), "0123456789abcdef"))
                mstore8(str, byte(and(shr(4, temp), 15), "0123456789abcdef"))
                temp := shr(8, temp)
                length := sub(length, 1)
            } length {
                length := sub(length, 1)
            } {
                str := sub(str, 2)
                mstore8(add(str, 1), byte(and(temp, 15), "0123456789abcdef"))
                mstore8(str, byte(and(shr(4, temp), 15), "0123456789abcdef"))
                temp := shr(8, temp)
            }

            // 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
    //////////////////////////////////////////////////////////////*/

    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)

            // Store the mask for sub-word comparisons in the scratch space.
            mstore(0x00, not(0))
            mstore(0x20, 0)

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

            let k := 0

            let subjectEnd := add(subject, subjectLength)
            if iszero(gt(searchLength, subjectLength)) {
                let subjectSearchEnd := add(sub(subjectEnd, searchLength), 1)
                // prettier-ignore
                for {} lt(subject, subjectSearchEnd) {} {
                    let o := and(searchLength, 31)
                    // Whether the first `searchLength % 32` bytes of
                    // `subject` and `search` matches.
                    let l := iszero(and(xor(mload(subject), mload(search)), mload(sub(0x20, o))))
                    // Iterate through the rest of `search` and check if any word mismatch.
                    // If any mismatch is detected, `l` is set to 0.
                    // prettier-ignore
                    for {} and(lt(o, searchLength), l) {} {
                        l := eq(mload(add(subject, o)), mload(add(search, o)))
                        o := add(o, 0x20)
                    }
                    // If `l` is true, we have a match.
                    if l {
                        // Copy the `replacement` one word at a time.
                        // prettier-ignore
                        for { o := 0 } lt(o, replacementLength) { o := add(o, 0x20) } {
                            mstore(add(result, add(k, o)), mload(add(replacement, o)))
                        }
                        k := add(k, replacementLength)
                        subject := add(subject, searchLength)
                    }
                    // If `l` or `searchLength` is zero.
                    if iszero(mul(l, searchLength)) {
                        mstore(add(result, k), mload(subject))
                        k := add(k, 1)
                        subject := add(subject, 1)
                    }
                }
            }

            let resultRemainder := add(result, k)
            k := add(k, 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)
            }
            // Allocate memory for the length and the bytes,
            // rounded up to a multiple of 32.
            mstore(0x40, add(result, and(add(k, 64), not(31))))
            result := sub(result, 0x20)
            mstore(result, k)
        }
    }
}

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

/// @notice Gas optimized ECDSA wrapper.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/utils/ECDSA.sol)
/// @author Modified from Solmate (https://github.com/Rari-Capital/solmate/blob/main/src/utils/ECDSA.sol)
/// @author Modified from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/utils/cryptography/ECDSA.sol)
library ECDSA {
    function recover(bytes32 hash, bytes calldata signature) internal view returns (address result) {
        assembly {
            // Copy the free memory pointer so that we can restore it later.
            let m := mload(0x40)
            // Directly load `s` from the calldata.
            let s := calldataload(add(signature.offset, 0x20))

            switch signature.length
            case 64 {
                // Here, `s` is actually `vs` that needs to be recovered into `v` and `s`.
                // Compute `v` and store it in the scratch space.
                mstore(0x20, add(shr(255, s), 27))
                // prettier-ignore
                s := and(s, 0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff)
            }
            case 65 {
                // Compute `v` and store it in the scratch space.
                mstore(0x20, byte(0, calldataload(add(signature.offset, 0x40))))
            }

            // If `s` in lower half order, such that the signature is not malleable.
            // prettier-ignore
            if iszero(gt(s, 0x7fffffffffffffffffffffffffffffff5d576e7357a4501ddfe92f46681b20a0)) {
                mstore(0x00, hash)
                calldatacopy(0x40, signature.offset, 0x20) // Directly copy `r` over.
                mstore(0x60, s)
                pop(
                    staticcall(
                        gas(), // Amount of gas left for the transaction.
                        0x01, // Address of `ecrecover`.
                        0x00, // Start of input.
                        0x80, // Size of input.
                        0x40, // Start of output.
                        0x20 // Size of output.
                    )
                )
                // Restore the zero slot.
                mstore(0x60, 0)
                // `returndatasize()` will be `0x20` upon success, and `0x00` otherwise.
                result := mload(sub(0x60, returndatasize()))
            }
            // Restore the free memory pointer.
            mstore(0x40, m)
        }
    }

    function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32 result) {
        assembly {
            // Store into scratch space for keccak256.
            mstore(0x20, hash)
            mstore(0x00, "\x00\x00\x00\x00\x19Ethereum Signed Message:\n32")
            // 0x40 - 0x04 = 0x3c
            result := keccak256(0x04, 0x3c)
        }
    }

    function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32 result) {
        assembly {
            // We need at most 128 bytes for Ethereum signed message header.
            // The max length of the ASCII reprenstation of a uint256 is 78 bytes.
            // The length of "\x19Ethereum Signed Message:\n" is 26 bytes.
            // The next multiple of 32 above 78 + 26 is 128.

            // Instead of allocating, we temporarily copy the 128 bytes before the
            // start of `s` data to some variables.
            let m3 := mload(sub(s, 0x60))
            let m2 := mload(sub(s, 0x40))
            let m1 := mload(sub(s, 0x20))
            // The length of `s` is in bytes.
            let sLength := mload(s)

            let ptr := add(s, 0x20)

            // `end` marks the end of the memory which we will compute the keccak256 of.
            let end := add(ptr, sLength)

            // Convert the length of the bytes to ASCII decimal representation
            // and store it into the memory.
            for {
                let temp := sLength
                ptr := sub(ptr, 1)
                mstore8(ptr, add(48, mod(temp, 10)))
                temp := div(temp, 10)
            } temp {
                temp := div(temp, 10)
            } {
                ptr := sub(ptr, 1)
                mstore8(ptr, add(48, mod(temp, 10)))
            }

            // Move the pointer 32 bytes lower to make room for the string.
            // `start` marks the start of the memory which we will compute the keccak256 of.
            let start := sub(ptr, 32)
            // Copy the header over to the memory.
            mstore(start, "\x00\x00\x00\x00\x00\x00\x19Ethereum Signed Message:\n")
            start := add(start, 6)

            // Compute the keccak256 of the memory.
            result := keccak256(start, sub(end, start))

            // Restore the previous memory.
            mstore(s, sLength)
            mstore(sub(s, 0x20), m1)
            mstore(sub(s, 0x40), m2)
            mstore(sub(s, 0x60), m3)
        }
    }
}

// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.0
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import './IERC721AQueryable.sol';
import '../ERC721A.sol';

/**
 * @title ERC721AQueryable.
 *
 * @dev ERC721A subclass with convenience query functions.
 */
abstract contract ERC721AQueryable is ERC721A, IERC721AQueryable {
    /**
     * @dev Returns the `TokenOwnership` struct at `tokenId` without reverting.
     *
     * If the `tokenId` is out of bounds:
     *
     * - `addr = address(0)`
     * - `startTimestamp = 0`
     * - `burned = false`
     * - `extraData = 0`
     *
     * If the `tokenId` is burned:
     *
     * - `addr = <Address of owner before token was burned>`
     * - `startTimestamp = <Timestamp when token was burned>`
     * - `burned = true`
     * - `extraData = <Extra data when token was burned>`
     *
     * Otherwise:
     *
     * - `addr = <Address of owner>`
     * - `startTimestamp = <Timestamp of start of ownership>`
     * - `burned = false`
     * - `extraData = <Extra data at start of ownership>`
     */
    function explicitOwnershipOf(uint256 tokenId) public view virtual override returns (TokenOwnership memory) {
        TokenOwnership memory ownership;
        if (tokenId < _startTokenId() || tokenId >= _nextTokenId()) {
            return ownership;
        }
        ownership = _ownershipAt(tokenId);
        if (ownership.burned) {
            return ownership;
        }
        return _ownershipOf(tokenId);
    }

    /**
     * @dev Returns an array of `TokenOwnership` structs at `tokenIds` in order.
     * See {ERC721AQueryable-explicitOwnershipOf}
     */
    function explicitOwnershipsOf(uint256[] calldata tokenIds)
        external
        view
        virtual
        override
        returns (TokenOwnership[] memory)
    {
        unchecked {
            uint256 tokenIdsLength = tokenIds.length;
            TokenOwnership[] memory ownerships = new TokenOwnership[](tokenIdsLength);
            for (uint256 i; i != tokenIdsLength; ++i) {
                ownerships[i] = explicitOwnershipOf(tokenIds[i]);
            }
            return ownerships;
        }
    }

    /**
     * @dev Returns an array of token IDs owned by `owner`,
     * in the range [`start`, `stop`)
     * (i.e. `start <= tokenId < stop`).
     *
     * This function allows for tokens to be queried if the collection
     * grows too big for a single call of {ERC721AQueryable-tokensOfOwner}.
     *
     * Requirements:
     *
     * - `start < stop`
     */
    function tokensOfOwnerIn(
        address owner,
        uint256 start,
        uint256 stop
    ) external view virtual override returns (uint256[] memory) {
        unchecked {
            if (start >= stop) revert InvalidQueryRange();
            uint256 tokenIdsIdx;
            uint256 stopLimit = _nextTokenId();
            // Set `start = max(start, _startTokenId())`.
            if (start < _startTokenId()) {
                start = _startTokenId();
            }
            // Set `stop = min(stop, stopLimit)`.
            if (stop > stopLimit) {
                stop = stopLimit;
            }
            uint256 tokenIdsMaxLength = balanceOf(owner);
            // Set `tokenIdsMaxLength = min(balanceOf(owner), stop - start)`,
            // to cater for cases where `balanceOf(owner)` is too big.
            if (start < stop) {
                uint256 rangeLength = stop - start;
                if (rangeLength < tokenIdsMaxLength) {
                    tokenIdsMaxLength = rangeLength;
                }
            } else {
                tokenIdsMaxLength = 0;
            }
            uint256[] memory tokenIds = new uint256[](tokenIdsMaxLength);
            if (tokenIdsMaxLength == 0) {
                return tokenIds;
            }
            // We need to call `explicitOwnershipOf(start)`,
            // because the slot at `start` may not be initialized.
            TokenOwnership memory ownership = explicitOwnershipOf(start);
            address currOwnershipAddr;
            // If the starting slot exists (i.e. not burned), initialize `currOwnershipAddr`.
            // `ownership.address` will not be zero, as `start` is clamped to the valid token ID range.
            if (!ownership.burned) {
                currOwnershipAddr = ownership.addr;
            }
            for (uint256 i = start; i != stop && tokenIdsIdx != tokenIdsMaxLength; ++i) {
                ownership = _ownershipAt(i);
                if (ownership.burned) {
                    continue;
                }
                if (ownership.addr != address(0)) {
                    currOwnershipAddr = ownership.addr;
                }
                if (currOwnershipAddr == owner) {
                    tokenIds[tokenIdsIdx++] = i;
                }
            }
            // Downsize the array to fit.
            assembly {
                mstore(tokenIds, tokenIdsIdx)
            }
            return tokenIds;
        }
    }

    /**
     * @dev Returns an array of token IDs owned by `owner`.
     *
     * This function scans the ownership mapping and is O(`totalSupply`) in complexity.
     * It is meant to be called off-chain.
     *
     * See {ERC721AQueryable-tokensOfOwnerIn} for splitting the scan into
     * multiple smaller scans if the collection is large enough to cause
     * an out-of-gas error (10K collections should be fine).
     */
    function tokensOfOwner(address owner) external view virtual override returns (uint256[] memory) {
        unchecked {
            uint256 tokenIdsIdx;
            address currOwnershipAddr;
            uint256 tokenIdsLength = balanceOf(owner);
            uint256[] memory tokenIds = new uint256[](tokenIdsLength);
            TokenOwnership memory ownership;
            for (uint256 i = _startTokenId(); tokenIdsIdx != tokenIdsLength; ++i) {
                ownership = _ownershipAt(i);
                if (ownership.burned) {
                    continue;
                }
                if (ownership.addr != address(0)) {
                    currOwnershipAddr = ownership.addr;
                }
                if (currOwnershipAddr == owner) {
                    tokenIds[tokenIdsIdx++] = i;
                }
            }
            return tokenIds;
        }
    }
}

// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.0
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import './IERC721ABurnable.sol';
import '../ERC721A.sol';

/**
 * @title ERC721ABurnable.
 *
 * @dev ERC721A token that can be irreversibly burned (destroyed).
 */
abstract contract ERC721ABurnable is ERC721A, IERC721ABurnable {
    /**
     * @dev Burns `tokenId`. See {ERC721A-_burn}.
     *
     * Requirements:
     *
     * - The caller must own `tokenId` or be an approved operator.
     */
    function burn(uint256 tokenId) public virtual override {
        _burn(tokenId, true);
    }
}

// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.0
// 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 {
    // Reference type for token approval.
    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 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 {
        if (operator == _msgSenderERC721A()) revert ApproveToCaller();

        _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]`.
        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 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 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 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.
            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`.
                )

                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 ptr) {
        assembly {
            // The maximum value of a uint256 contains 78 digits (1 byte per digit),
            // but we allocate 128 bytes to keep the free memory pointer 32-byte word aliged.
            // We will need 1 32-byte word to store the length,
            // and 3 32-byte words to store a maximum of 78 digits. Total: 32 + 3 * 32 = 128.
            ptr := add(mload(0x40), 128)
            // Update the free memory pointer to allocate.
            mstore(0x40, ptr)

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

            // We write the string from the rightmost digit to the leftmost digit.
            // The following is essentially a do-while loop that also handles the zero case.
            // Costs a bit more than early returning for the zero case,
            // but cheaper in terms of deployment and overall runtime costs.
            for {
                // Initialize and perform the first pass without check.
                let temp := value
                // Move the pointer 1 byte leftwards to point to an empty character slot.
                ptr := sub(ptr, 1)
                // Write the character to the pointer.
                // The ASCII index of the '0' character is 48.
                mstore8(ptr, add(48, mod(temp, 10)))
                temp := div(temp, 10)
            } temp {
                // Keep dividing `temp` until zero.
                temp := div(temp, 10)
            } {
                // Body of the for loop.
                ptr := sub(ptr, 1)
                mstore8(ptr, add(48, mod(temp, 10)))
            }

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

// 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 v4.2.0
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import '../IERC721A.sol';

/**
 * @dev Interface of ERC721AQueryable.
 */
interface IERC721AQueryable is IERC721A {
    /**
     * Invalid query range (`start` >= `stop`).
     */
    error InvalidQueryRange();

    /**
     * @dev Returns the `TokenOwnership` struct at `tokenId` without reverting.
     *
     * If the `tokenId` is out of bounds:
     *
     * - `addr = address(0)`
     * - `startTimestamp = 0`
     * - `burned = false`
     * - `extraData = 0`
     *
     * If the `tokenId` is burned:
     *
     * - `addr = <Address of owner before token was burned>`
     * - `startTimestamp = <Timestamp when token was burned>`
     * - `burned = true`
     * - `extraData = <Extra data when token was burned>`
     *
     * Otherwise:
     *
     * - `addr = <Address of owner>`
     * - `startTimestamp = <Timestamp of start of ownership>`
     * - `burned = false`
     * - `extraData = <Extra data at start of ownership>`
     */
    function explicitOwnershipOf(uint256 tokenId) external view returns (TokenOwnership memory);

    /**
     * @dev Returns an array of `TokenOwnership` structs at `tokenIds` in order.
     * See {ERC721AQueryable-explicitOwnershipOf}
     */
    function explicitOwnershipsOf(uint256[] memory tokenIds) external view returns (TokenOwnership[] memory);

    /**
     * @dev Returns an array of token IDs owned by `owner`,
     * in the range [`start`, `stop`)
     * (i.e. `start <= tokenId < stop`).
     *
     * This function allows for tokens to be queried if the collection
     * grows too big for a single call of {ERC721AQueryable-tokensOfOwner}.
     *
     * Requirements:
     *
     * - `start < stop`
     */
    function tokensOfOwnerIn(
        address owner,
        uint256 start,
        uint256 stop
    ) external view returns (uint256[] memory);

    /**
     * @dev Returns an array of token IDs owned by `owner`.
     *
     * This function scans the ownership mapping and is O(`totalSupply`) in complexity.
     * It is meant to be called off-chain.
     *
     * See {ERC721AQueryable-tokensOfOwnerIn} for splitting the scan into
     * multiple smaller scans if the collection is large enough to cause
     * an out-of-gas error (10K collections should be fine).
     */
    function tokensOfOwner(address owner) external view returns (uint256[] memory);
}

// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.0
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import '../IERC721A.sol';

/**
 * @dev Interface of ERC721ABurnable.
 */
interface IERC721ABurnable is IERC721A {
    /**
     * @dev Burns `tokenId`. See {ERC721A-_burn}.
     *
     * Requirements:
     *
     * - The caller must own `tokenId` or be an approved operator.
     */
    function burn(uint256 tokenId) external;
}

// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.0
// 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();

    /**
     * The caller cannot approve to their own address.
     */
    error ApproveToCaller();

    /**
     * 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;

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

    /**
     * @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;

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

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

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

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

    // =============================================================
    //                        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": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"ApproveToCaller","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"InvalidQueryRange","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":[],"name":"PER_ACCOUNT_SALE_LIMIT","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PS_FREE_LIMIT","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PS_PRICE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"SALE_STATE_OG","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"SALE_STATE_PS","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"SALE_STATE_WL","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"explicitOwnershipOf","outputs":[{"components":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint64","name":"startTimestamp","type":"uint64"},{"internalType":"bool","name":"burned","type":"bool"},{"internalType":"uint24","name":"extraData","type":"uint24"}],"internalType":"struct IERC721A.TokenOwnership","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"explicitOwnershipsOf","outputs":[{"components":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint64","name":"startTimestamp","type":"uint64"},{"internalType":"bool","name":"burned","type":"bool"},{"internalType":"uint24","name":"extraData","type":"uint24"}],"internalType":"struct IERC721A.TokenOwnership[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"to","type":"address[]"},{"internalType":"uint256","name":"quantity","type":"uint256"}],"name":"forceMint","outputs":[],"stateMutability":"nonpayable","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":"lockMaxSupply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"lockMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"lockTokenURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"maxSupply","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxSupplyLocked","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"quantity","type":"uint256"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"mintLocked","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"minter","type":"address"}],"name":"numberMintedForCurrentSale","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"saleState","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"quantity","type":"uint256"}],"name":"selfMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"value","type":"uint16"}],"name":"setMaxSupply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"value","type":"string"}],"name":"setRevealedURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint8","name":"value","type":"uint8"}],"name":"setSaleState","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"value","type":"address"}],"name":"setSigner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"value","type":"string"}],"name":"setUnrevealedURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"signer","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tokenURILocked","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"tokensOfOwner","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"start","type":"uint256"},{"internalType":"uint256","name":"stop","type":"uint256"}],"name":"tokensOfOwnerIn","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"payable","type":"function"}]

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