ChadBased

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

interface IERC20 {

    event Transfer(address indexed from, address indexed to, uint256 value);

    event Approval(address indexed owner, address indexed spender, uint256 value);

    function totalSupply() external view returns (uint256);

    function balanceOf(address account) external view returns (uint256);

    function transfer(address to, uint256 value) external returns (bool);

    function allowance(address owner, address spender) external view returns (uint256);

    function approve(address spender, uint256 value) external returns (bool);

    function transferFrom(address from, address to, uint256 value) external returns (bool);
}

pragma solidity ^0.8.20;

abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

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

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

abstract contract Ownable is Context {
    address private _owner;

    error OwnableUnauthorizedAccount(address account);

    error OwnableInvalidOwner(address owner);

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

    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    function owner() public view virtual returns (address) {
        return _owner;
    }

    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    function transferOwnership(address newOwner) public virtual onlyOwner {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(newOwner);
    }

    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}


pragma solidity ^0.8.4;


interface IERC721A {

    error ApprovalCallerNotOwnerNorApproved();

    error ApprovalQueryForNonexistentToken();

    error BalanceQueryForZeroAddress();

    error MintToZeroAddress();

    error MintZeroQuantity();

    error OwnerQueryForNonexistentToken();

    error TransferCallerNotOwnerNorApproved();

    error TransferFromIncorrectOwner();

    error TransferToNonERC721ReceiverImplementer();

    error TransferToZeroAddress();

    error URIQueryForNonexistentToken();

    error MintERC2309QuantityExceedsLimit();

    error OwnershipNotInitializedForExtraData();

    struct TokenOwnership {
        address addr;
        uint64 startTimestamp;
        bool burned;
        uint24 extraData;
    }

    function totalSupply() external view returns (uint256);

    function supportsInterface(bytes4 interfaceId) external view returns (bool);

    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    function balanceOf(address owner) external view returns (uint256 balance);

    function ownerOf(uint256 tokenId) external view returns (address owner);

    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes calldata data
    ) external payable;

    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external payable;

    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external payable;

    function approve(address to, uint256 tokenId) external payable;

    function setApprovalForAll(address operator, bool _approved) external;

    function getApproved(uint256 tokenId) external view returns (address operator);

    function isApprovedForAll(address owner, address operator) external view returns (bool);

    function name() external view returns (string memory);

    function symbol() external view returns (string memory);

    function tokenURI(uint256 tokenId) external view returns (string memory);

    event ConsecutiveTransfer(uint256 indexed fromTokenId, uint256 toTokenId, address indexed from, address indexed to);
}

interface ERC721A__IERC721Receiver {
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

contract ERC721A is IERC721A {
    struct TokenApprovalRef {
        address value;
    }

    uint256 private constant _BITMASK_ADDRESS_DATA_ENTRY = (1 << 64) - 1;

    uint256 private constant _BITPOS_NUMBER_MINTED = 64;

    uint256 private constant _BITPOS_NUMBER_BURNED = 128;

    uint256 private constant _BITPOS_AUX = 192;

    uint256 private constant _BITMASK_AUX_COMPLEMENT = (1 << 192) - 1;

    uint256 private constant _BITPOS_START_TIMESTAMP = 160;

    uint256 private constant _BITMASK_BURNED = 1 << 224;

    uint256 private constant _BITPOS_NEXT_INITIALIZED = 225;

    uint256 private constant _BITMASK_NEXT_INITIALIZED = 1 << 225;

    uint256 private constant _BITPOS_EXTRA_DATA = 232;

    uint256 private constant _BITMASK_EXTRA_DATA_COMPLEMENT = (1 << 232) - 1;

    uint256 private constant _BITMASK_ADDRESS = (1 << 160) - 1;

    uint256 private constant _MAX_MINT_ERC2309_QUANTITY_LIMIT = 5000;

    bytes32 private constant _TRANSFER_EVENT_SIGNATURE =
        0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef;

    uint256 private _currentIndex;

    uint256 private _burnCounter;

    string private _name;

    string private _symbol;

    mapping(uint256 => uint256) private _packedOwnerships;

    mapping(address => uint256) private _packedAddressData;

    mapping(uint256 => TokenApprovalRef) private _tokenApprovals;

    mapping(address => mapping(address => bool)) private _operatorApprovals;


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

   
    function _startTokenId() internal view virtual returns (uint256) {
        return 0;
    }

    function _nextTokenId() internal view virtual returns (uint256) {
        return _currentIndex;
    }

    function totalSupply() public view virtual override returns (uint256) {

        unchecked {
            return _currentIndex - _burnCounter - _startTokenId();
        }
    }

    function _totalMinted() internal view virtual returns (uint256) {

        unchecked {
            return _currentIndex - _startTokenId();
        }
    }

    function _totalBurned() internal view virtual returns (uint256) {
        return _burnCounter;
    }

    function balanceOf(address owner) public view virtual override returns (uint256) {
        if (owner == address(0)) revert BalanceQueryForZeroAddress();
        return _packedAddressData[owner] & _BITMASK_ADDRESS_DATA_ENTRY;
    }

    function _numberMinted(address owner) internal view returns (uint256) {
        return (_packedAddressData[owner] >> _BITPOS_NUMBER_MINTED) & _BITMASK_ADDRESS_DATA_ENTRY;
    }

    function _numberBurned(address owner) internal view returns (uint256) {
        return (_packedAddressData[owner] >> _BITPOS_NUMBER_BURNED) & _BITMASK_ADDRESS_DATA_ENTRY;
    }

    function _getAux(address owner) internal view returns (uint64) {
        return uint64(_packedAddressData[owner] >> _BITPOS_AUX);
    }

    function _setAux(address owner, uint64 aux) internal virtual {
        uint256 packed = _packedAddressData[owner];
        uint256 auxCasted;
        assembly {
            auxCasted := aux
        }
        packed = (packed & _BITMASK_AUX_COMPLEMENT) | (auxCasted << _BITPOS_AUX);
        _packedAddressData[owner] = packed;
    }

    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {

        return
            interfaceId == 0x01ffc9a7 || 
            interfaceId == 0x80ac58cd || 
            interfaceId == 0x5b5e139f; 
    }

    function name() public view virtual override returns (string memory) {
        return _name;
    }

    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    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))) : '';
    }

    function _baseURI() internal view virtual returns (string memory) {
        return '';
    }

    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        return address(uint160(_packedOwnershipOf(tokenId)));
    }

    function _ownershipOf(uint256 tokenId) internal view virtual returns (TokenOwnership memory) {
        return _unpackedOwnership(_packedOwnershipOf(tokenId));
    }

    function _ownershipAt(uint256 index) internal view virtual returns (TokenOwnership memory) {
        return _unpackedOwnership(_packedOwnerships[index]);
    }

    function _initializeOwnershipAt(uint256 index) internal virtual {
        if (_packedOwnerships[index] == 0) {
            _packedOwnerships[index] = _packedOwnershipOf(index);
        }
    }

    function _packedOwnershipOf(uint256 tokenId) private view returns (uint256) {
        uint256 curr = tokenId;

        unchecked {
            if (_startTokenId() <= curr)
                if (curr < _currentIndex) {
                    uint256 packed = _packedOwnerships[curr];
                    if (packed & _BITMASK_BURNED == 0) {

                        while (packed == 0) {
                            packed = _packedOwnerships[--curr];
                        }
                        return packed;
                    }
                }
        }
        revert OwnerQueryForNonexistentToken();
    }

    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);
    }

    function _packOwnershipData(address owner, uint256 flags) private view returns (uint256 result) {
        assembly {
            owner := and(owner, _BITMASK_ADDRESS)
            result := or(owner, or(shl(_BITPOS_START_TIMESTAMP, timestamp()), flags))
        }
    }

    function _nextInitializedFlag(uint256 quantity) private pure returns (uint256 result) {
        assembly {
            result := shl(_BITPOS_NEXT_INITIALIZED, eq(quantity, 1))
        }
    }

    function approve(address to, uint256 tokenId) public payable virtual override {
        address owner = ownerOf(tokenId);

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

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

    function getApproved(uint256 tokenId) public view virtual override returns (address) {
        if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken();

        return _tokenApprovals[tokenId].value;
    }

    function setApprovalForAll(address operator, bool approved) public virtual override {
        _operatorApprovals[_msgSenderERC721A()][operator] = approved;
        emit ApprovalForAll(_msgSenderERC721A(), operator, approved);
    }

    function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
        return _operatorApprovals[owner][operator];
    }

    function _exists(uint256 tokenId) internal view virtual returns (bool) {
        return
            _startTokenId() <= tokenId &&
            tokenId < _currentIndex && 
            _packedOwnerships[tokenId] & _BITMASK_BURNED == 0; 
    }

    function _isSenderApprovedOrOwner(
        address approvedAddress,
        address owner,
        address msgSender
    ) private pure returns (bool result) {
        assembly {
            owner := and(owner, _BITMASK_ADDRESS)
            msgSender := and(msgSender, _BITMASK_ADDRESS)
            result := or(eq(msgSender, owner), eq(msgSender, approvedAddress))
        }
    }

    function _getApprovedSlotAndAddress(uint256 tokenId)
        private
        view
        returns (uint256 approvedAddressSlot, address approvedAddress)
    {
        TokenApprovalRef storage tokenApproval = _tokenApprovals[tokenId];
        assembly {
            approvedAddressSlot := tokenApproval.slot
            approvedAddress := sload(approvedAddressSlot)
        }
    }

    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public payable virtual override {
        uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);

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

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

        if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A()))
            if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved();

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

        _beforeTokenTransfers(from, to, tokenId, 1);

        assembly {
            if approvedAddress {
                sstore(approvedAddressSlot, 0)
            }
        }


        unchecked {
            --_packedAddressData[from]; 
            ++_packedAddressData[to]; 

            _packedOwnerships[tokenId] = _packOwnershipData(
                to,
                _BITMASK_NEXT_INITIALIZED | _nextExtraData(from, to, prevOwnershipPacked)
            );

            if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) {
                uint256 nextTokenId = tokenId + 1;
                if (_packedOwnerships[nextTokenId] == 0) {
                    if (nextTokenId != _currentIndex) {
                        _packedOwnerships[nextTokenId] = prevOwnershipPacked;
                    }
                }
            }
        }

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

    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public payable virtual override {
        safeTransferFrom(from, to, tokenId, '');
    }

    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) public payable virtual override {
        transferFrom(from, to, tokenId);
        if (to.code.length != 0)
            if (!_checkContractOnERC721Received(from, to, tokenId, _data)) {
                revert TransferToNonERC721ReceiverImplementer();
            }
    }

    function _beforeTokenTransfers(
        address from,
        address to,
        uint256 startTokenId,
        uint256 quantity
    ) internal virtual {}

    function _afterTokenTransfers(
        address from,
        address to,
        uint256 startTokenId,
        uint256 quantity
    ) internal virtual {}

    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))
                }
            }
        }
    }

    function _mint(address to, uint256 quantity) internal virtual {
        uint256 startTokenId = _currentIndex;
        if (quantity == 0) revert MintZeroQuantity();

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

        unchecked {

            _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1);

            _packedOwnerships[startTokenId] = _packOwnershipData(
                to,
                _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0)
            );

            uint256 toMasked;
            uint256 end = startTokenId + quantity;

            assembly {
                toMasked := and(to, _BITMASK_ADDRESS)
                log4(
                    0, 
                    0, 
                    _TRANSFER_EVENT_SIGNATURE, 
                    0, 
                    toMasked, 
                    startTokenId 
                )

                for {
                    let tokenId := add(startTokenId, 1)
                } iszero(eq(tokenId, end)) {
                    tokenId := add(tokenId, 1)
                } {
                    log4(0, 0, _TRANSFER_EVENT_SIGNATURE, 0, toMasked, tokenId)
                }
            }
            if (toMasked == 0) revert MintToZeroAddress();

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

    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);

        unchecked {

            _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 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);
    }

    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);
                if (_currentIndex != end) revert();
            }
        }
    }

    function _safeMint(address to, uint256 quantity) internal virtual {
        _safeMint(to, quantity, '');
    }

    function _burn(uint256 tokenId) internal virtual {
        _burn(tokenId, false);
    }

    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) {
            if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A()))
                if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved();
        }

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

        assembly {
            if approvedAddress {
                sstore(approvedAddressSlot, 0)
            }
        }

        unchecked {

            _packedAddressData[from] += (1 << _BITPOS_NUMBER_BURNED) - 1;

            _packedOwnerships[tokenId] = _packOwnershipData(
                from,
                (_BITMASK_BURNED | _BITMASK_NEXT_INITIALIZED) | _nextExtraData(from, address(0), prevOwnershipPacked)
            );

            if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) {
                uint256 nextTokenId = tokenId + 1;
                if (_packedOwnerships[nextTokenId] == 0) {
                    if (nextTokenId != _currentIndex) {
                        _packedOwnerships[nextTokenId] = prevOwnershipPacked;
                    }
                }
            }
        }

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

        unchecked {
            _burnCounter++;
        }
    }

    function _setExtraDataAt(uint256 index, uint24 extraData) internal virtual {
        uint256 packed = _packedOwnerships[index];
        if (packed == 0) revert OwnershipNotInitializedForExtraData();
        uint256 extraDataCasted;
        assembly {
            extraDataCasted := extraData
        }
        packed = (packed & _BITMASK_EXTRA_DATA_COMPLEMENT) | (extraDataCasted << _BITPOS_EXTRA_DATA);
        _packedOwnerships[index] = packed;
    }

    function _extraData(
        address from,
        address to,
        uint24 previousExtraData
    ) internal view virtual returns (uint24) {}

    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;
    }

    function _msgSenderERC721A() internal view virtual returns (address) {
        return msg.sender;
    }

    function _toString(uint256 value) internal pure virtual returns (string memory str) {
        assembly {

            let m := add(mload(0x40), 0xa0)
            mstore(0x40, m)
            str := sub(m, 0x20)
            mstore(str, 0)

            let end := str

            for { let temp := value } 1 {} {
                str := sub(str, 1)

                mstore8(str, add(48, mod(temp, 10)))
                temp := div(temp, 10)
                if iszero(temp) { break }
            }

            let length := sub(end, str)
            str := sub(str, 0x20)
            mstore(str, length)
        }
    }
}



contract ChadBased is ERC721A, Ownable {

    error ChadBased_InsufficientBalance();
    error ChadBased_InsufficientMintQuantity();
    error ChadBased_ExceedsMaxSupply();
    error ChadBased_ExceedsMaxPerWallet();
    error ChadBased_ExceedsMaxPerAllowlist();
    error ChadBased_ExceedsBatchLimit();
    error ChadBased_ExceedsBatchLimitAllowlist();
    error ChadBased_FeeAddressIsZeroAddress();
    error ChadBased_TokenTransferFailed();
    error ChadBased_MaxPerWalletExceedsMaxSupply();
    error ChadBased_MaxPerWalletSmallerThanBatchLimit();
    error ChadBased_BatchLimitExceedsMaxPerWallet();
    error ChadBased_BatchLimitExceedsMaxPerAllowlist();
    error ChadBased_BatchLimitExceedsMaxPerAllowlist2();
    error ChadBased_BatchLimitTooHigh();


    uint256 private constant MAX_SUPPLY = 10000;

    string public baseExtension = ".json";
    uint256 private s_batchLimit = 1;
    uint256 private s_batchLimitAllowlist = 3;
    uint256 private s_batchLimitAllowlist2 = 250;
    uint256 private s_maxPerWallet = 1;
    uint256 private s_maxPerAllowlist = 3;
    uint256 private s_maxPerAllowlist2 = 250;
    string private s_baseTokenURI;
    mapping(address => bool) private allowlist;
    mapping(address => bool) private allowlist2;



    event SetMaxPerWallet(address indexed sender, uint256 maxPerWallet);
    event SetMaxPerAllowlist(address indexed sender, uint256 maxPerAllowlist);
    event SetMaxPerAllowlist2(address indexed sender, uint256 maxPerAllowlist2);
    event SetBatchLimit(address indexed sender, uint256 batchLimit);
    event SetBatchLimitAllowlist(address indexed sender, uint256 batchLimitAllowlist);
    event AddedToAllowlist(address indexed wallet);
    event SetBatchLimitAllowlist2(address indexed sender, uint256 batchLimitAllowlist2);
    event AddedToAllowlist2(address indexed wallet2);


    constructor(address initialOwner, string memory baseURI)
        ERC721A("ChadBased", "CHADBASED")
        Ownable(msg.sender)
    {
        _setBaseURI(baseURI);
        _transferOwnership(initialOwner);
    }

function mint(uint256 quantity) external {
    require(quantity > 0, "ChadBased_InsufficientMintQuantity");
    require(balanceOf(msg.sender) + quantity <= s_maxPerWallet, "ChadBased_ExceedsMaxPerWallet");
    require(quantity <= s_batchLimit, "ChadBased_ExceedsBatchLimit");
    require(_totalMinted() + quantity <= MAX_SUPPLY, "ChadBased_ExceedsMaxSupply");

    _mint(msg.sender, quantity);
}

function allowlistMint(uint256 quantity) external {
    require(allowlist[msg.sender], "ChadBased_NotAllowListed");
    require(quantity > 0, "ChadBased_InsufficientMintQuantity");
    require(balanceOf(msg.sender) + quantity <= s_maxPerAllowlist, "ChadBased_ExceedsMaxPerAllowlist");
    require(quantity <= s_batchLimitAllowlist, "ChadBased_ExceedsBatchLimit");
    require(_totalMinted() + quantity <= MAX_SUPPLY, "ChadBased_ExceedsMaxSupply");

    _mint(msg.sender, quantity);
}

function allowlistMint2(uint256 quantity) external {
    require(allowlist2[msg.sender], "ChadBased_NotAllowListed");
    require(quantity > 0, "ChadBased_InsufficientMintQuantity");
    require(balanceOf(msg.sender) + quantity <= s_maxPerAllowlist2, "ChadBased_ExceedsMaxPerAllowlist");
    require(quantity <= s_batchLimitAllowlist2, "ChadBased_ExceedsBatchLimit");
    require(_totalMinted() + quantity <= MAX_SUPPLY, "ChadBased_ExceedsMaxSupply");

    _mint(msg.sender, quantity);
}


function addToAllowlist(address[] calldata wallet) external onlyOwner {
    for (uint256 i = 0; i < wallet.length; i++) {
        allowlist[wallet[i]] = true;
        emit AddedToAllowlist(wallet[i]);
    }
}

function addToAllowlist2(address[] calldata wallet2) external onlyOwner {
    for (uint256 i = 0; i < wallet2.length; i++) {
        allowlist2[wallet2[i]] = true;
        emit AddedToAllowlist2(wallet2[i]);
    }
}
    function setMaxPerWallet(uint256 maxPerWallet) external onlyOwner {
        if (maxPerWallet > MAX_SUPPLY) revert ChadBased_MaxPerWalletExceedsMaxSupply();
        if (maxPerWallet < s_batchLimit) revert ChadBased_MaxPerWalletSmallerThanBatchLimit();
        s_maxPerWallet = maxPerWallet;
        emit SetMaxPerWallet(msg.sender, maxPerWallet);
    }

        function setMaxPerAllowlist(uint256 maxPerAllowlist) external onlyOwner {
        if (maxPerAllowlist > MAX_SUPPLY) revert ChadBased_MaxPerWalletExceedsMaxSupply();
        if (maxPerAllowlist < s_batchLimitAllowlist) revert ChadBased_MaxPerWalletSmallerThanBatchLimit();
        s_maxPerAllowlist = maxPerAllowlist;
        emit SetMaxPerAllowlist(msg.sender, maxPerAllowlist);
    }

            function setMaxPerAllowlist2(uint256 maxPerAllowlist2) external onlyOwner {
        if (maxPerAllowlist2 > MAX_SUPPLY) revert ChadBased_MaxPerWalletExceedsMaxSupply();
        if (maxPerAllowlist2 < s_batchLimitAllowlist2) revert ChadBased_MaxPerWalletSmallerThanBatchLimit();
        s_maxPerAllowlist2 = maxPerAllowlist2;
        emit SetMaxPerAllowlist2(msg.sender, maxPerAllowlist2);
    }

    function setBatchLimit(uint256 batchLimit) external onlyOwner {
        if (batchLimit > 1) revert ChadBased_BatchLimitTooHigh();
        if (batchLimit > s_maxPerWallet) revert ChadBased_BatchLimitExceedsMaxPerWallet();
        s_batchLimit = batchLimit;
        emit SetBatchLimit(msg.sender, batchLimit);
    }

        function setBatchLimitAllowlist(uint256 batchLimitAllowlist) external onlyOwner {
        if (batchLimitAllowlist > 3) revert ChadBased_BatchLimitTooHigh();
        if (batchLimitAllowlist > s_maxPerAllowlist) revert ChadBased_BatchLimitExceedsMaxPerAllowlist();
        s_batchLimitAllowlist = batchLimitAllowlist;
        emit SetBatchLimitAllowlist(msg.sender, s_batchLimitAllowlist);
    }

        function setBatchLimitAllowlist2(uint256 batchLimitAllowlist2) external onlyOwner {
        if (batchLimitAllowlist2 > 300) revert ChadBased_BatchLimitTooHigh();
        if (batchLimitAllowlist2 > s_maxPerAllowlist2) revert ChadBased_BatchLimitExceedsMaxPerAllowlist2();
        s_batchLimitAllowlist2 = batchLimitAllowlist2;
        emit SetBatchLimitAllowlist2(msg.sender, s_batchLimitAllowlist2);
    }

function tokenURI(uint256 tokenId)
    public
    view
    virtual
    override
    returns (string memory)
  {
    require(
      _exists(tokenId),
      "ERC721Metadata: URI query for nonexistent token"
    );
    
    string memory currentBaseURI = _baseURI();
    return bytes(currentBaseURI).length > 0
        ? string(abi.encodePacked(currentBaseURI, _toString(tokenId), baseExtension))
        : "";
  }

    function getMaxSupply() external pure returns (uint256) {
        return MAX_SUPPLY;
    }

    function getBatchLimit() external view returns (uint256) {
        return s_batchLimit;
    }
    

    function getMaxPerWallet() external view returns (uint256) {
        return s_maxPerWallet;
    }

    function _setBaseURI(string memory baseURI) private {
        s_baseTokenURI = baseURI;
    }

    function _baseURI() internal view override returns (string memory) {
        return s_baseTokenURI;
    }

      function setBaseExtension(string memory _newBaseExtension) public onlyOwner {
    baseExtension = _newBaseExtension;
  }
}

{
  "compilationTarget": {
    "ChadBased.sol": "ChadBased"
  },
  "evmVersion": "shanghai",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": []
}