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 ^0.8.13;

import "erc721a/contracts/ERC721A.sol";
import "erc721a/contracts/extensions/ERC721AQueryable.sol";
import "erc721a/contracts/extensions/ERC721APausable.sol";
import "erc721a/contracts/extensions/ERC721ABurnable.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
import "operator-filter-registry/src/RevokableDefaultOperatorFilterer.sol";
import "operator-filter-registry/src/UpdatableOperatorFilterer.sol";
import "@openzeppelin/contracts/interfaces/IERC2981.sol";

contract Bauhaus is ERC721A, IERC2981, ERC721AQueryable, ERC721APausable, ERC721ABurnable, Ownable, ReentrancyGuard, RevokableDefaultOperatorFilterer {
    uint public PRICE;
    uint public maxSupply;
    uint public MAX_MINT_AMOUNT_PER_TX;
    uint16 public MAX_FREE_MINTS_PER_WALLET;
    string private BASE_URI;
    bool public SALE_IS_ACTIVE = true;

    uint public totalFreeMinted;

    constructor(uint price,
        uint _maxSupply,
        uint maxMintPerTx,
        uint16 maxFreeMintsPerWallet,
        string memory baseUri) ERC721A("Bauhaus", "BAU") {
        PRICE = price;
        maxSupply = _maxSupply;
        MAX_MINT_AMOUNT_PER_TX = maxMintPerTx;
        MAX_FREE_MINTS_PER_WALLET = maxFreeMintsPerWallet;
        BASE_URI = baseUri;
    }

    function _startTokenId() internal view virtual override returns (uint256) {
        return 1;
    }

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

    function getFreeMints(address addy) external view returns (uint64) {
        return _getAux(addy);
    }

    function setPrice(uint price) external onlyOwner {
        PRICE = price;
    }

    function setMaxMintPerTx(uint maxMint) external onlyOwner {
        MAX_MINT_AMOUNT_PER_TX = maxMint;
    }

    function setMaxFreeMintsPerWallet(uint16 maxFreeMintsPerWallet) external onlyOwner {
        MAX_FREE_MINTS_PER_WALLET = maxFreeMintsPerWallet;
    }

    function setBaseURI(string memory customBaseURI_) external onlyOwner {
        BASE_URI = customBaseURI_;
    }

    function setSaleState(bool state) external onlyOwner {
        SALE_IS_ACTIVE = state;
    }

    function pause() external onlyOwner {
        _pause();
    }

    function unpause() external onlyOwner {
        _unpause();
    }

    modifier mintCompliance(uint _mintAmount) {
        require(_currentIndex + _mintAmount <= maxSupply, "Max supply exceeded!");
        require(_mintAmount > 0, "Invalid mint amount!");
        _;
    }

    function mint(uint32 _mintAmount) public payable mintCompliance(_mintAmount) {
        require(_mintAmount <= MAX_MINT_AMOUNT_PER_TX, "Mint limit exceeded!");
        require(SALE_IS_ACTIVE, "Sale not started");

        uint price = PRICE * _mintAmount;

        uint64 usedFreeMints = _getAux(msg.sender);
        uint64 remainingFreeMints = 0;
        if (MAX_FREE_MINTS_PER_WALLET > usedFreeMints) {
            remainingFreeMints = MAX_FREE_MINTS_PER_WALLET - usedFreeMints;
        }
        uint64 freeMinted = 0;

        if (remainingFreeMints > 0) {
            if (_mintAmount >= remainingFreeMints) {
                price -= remainingFreeMints * PRICE;
                freeMinted = remainingFreeMints;
                remainingFreeMints = 0;
            } else {
                price -= _mintAmount * PRICE;
                freeMinted = _mintAmount;
                remainingFreeMints -= _mintAmount;
            }
        }

        require(msg.value >= price, "Insufficient funds!");
        _safeMint(msg.sender, _mintAmount);

        totalFreeMinted += freeMinted;
        _setAux(msg.sender, usedFreeMints + freeMinted);
    }

    function airdrop(address _to, uint _mintAmount) public mintCompliance(_mintAmount) onlyOwner {
        _safeMint(_to, _mintAmount);
    }

    function withdraw() public onlyOwner nonReentrant {
        uint balance = address(this).balance;
        Address.sendValue(payable(owner()), balance);
    }

    function _beforeTokenTransfers(
        address from,
        address to,
        uint startTokenId,
        uint quantity
    ) internal virtual override(ERC721A, ERC721APausable) {
        super._beforeTokenTransfers(from, to, startTokenId, quantity);
    }

    function setApprovalForAll(address operator, bool approved) public virtual override onlyAllowedOperatorApproval(operator) {
        super.setApprovalForAll(operator, approved);
    }

    function approve(address operator, uint256 tokenId) public virtual override onlyAllowedOperatorApproval(operator) {
        super.approve(operator, tokenId);
    }

    function transferFrom(address from, address to, uint256 tokenId) public virtual override onlyAllowedOperator(from) {
        super.transferFrom(from, to, tokenId);
    }

    function safeTransferFrom(address from, address to, uint256 tokenId) public virtual override onlyAllowedOperator(from) {
        super.safeTransferFrom(from, to, tokenId);
    }

    function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory data)
        public
        virtual override
        onlyAllowedOperator(from)
    {
        super.safeTransferFrom(from, to, tokenId, data);
    }

     function owner() public view virtual override (Ownable, UpdatableOperatorFilterer) returns (address) {
        return Ownable.owner();
    }

    function royaltyInfo(uint256, uint256 salePrice) external view override
        returns (address receiver, uint256 royaltyAmount)
    {
        return (address(this), (salePrice * 1000) / 10000);
    }

    function supportsInterface(bytes4 interfaceId)
        public
        view
        virtual
        override(ERC721A, IERC165)
        returns (bool)
    {
        return (
        interfaceId == type(IERC2981).interfaceId ||
        super.supportsInterface(interfaceId)
        );
    }

}

// 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
// OpenZeppelin Contracts (last updated v4.6.0) (interfaces/IERC2981.sol)

pragma solidity ^0.8.0;

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

/**
 * @dev Interface for the NFT Royalty Standard.
 *
 * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal
 * support for royalty payments across all NFT marketplaces and ecosystem participants.
 *
 * _Available since v4.5._
 */
interface IERC2981 is IERC165 {
    /**
     * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of
     * exchange. The royalty amount is denominated and should be paid in that same unit of exchange.
     */
    function royaltyInfo(uint256 tokenId, uint256 salePrice)
        external
        view
        returns (address receiver, uint256 royaltyAmount);
}

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

pragma solidity ^0.8.0;

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

/**
 * @dev Contract module which allows children to implement an emergency stop
 * mechanism that can be triggered by an authorized account.
 *
 * This module is used through inheritance. It will make available the
 * modifiers `whenNotPaused` and `whenPaused`, which can be applied to
 * the functions of your contract. Note that they will not be pausable by
 * simply including this module, only once the modifiers are put in place.
 */
abstract contract Pausable is Context {
    /**
     * @dev Emitted when the pause is triggered by `account`.
     */
    event Paused(address account);

    /**
     * @dev Emitted when the pause is lifted by `account`.
     */
    event Unpaused(address account);

    bool private _paused;

    /**
     * @dev Initializes the contract in unpaused state.
     */
    constructor() {
        _paused = false;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is not paused.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    modifier whenNotPaused() {
        _requireNotPaused();
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is paused.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    modifier whenPaused() {
        _requirePaused();
        _;
    }

    /**
     * @dev Returns true if the contract is paused, and false otherwise.
     */
    function paused() public view virtual returns (bool) {
        return _paused;
    }

    /**
     * @dev Throws if the contract is paused.
     */
    function _requireNotPaused() internal view virtual {
        require(!paused(), "Pausable: paused");
    }

    /**
     * @dev Throws if the contract is not paused.
     */
    function _requirePaused() internal view virtual {
        require(paused(), "Pausable: not paused");
    }

    /**
     * @dev Triggers stopped state.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    function _pause() internal virtual whenNotPaused {
        _paused = true;
        emit Paused(_msgSender());
    }

    /**
     * @dev Returns to normal state.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    function _unpause() internal virtual whenPaused {
        _paused = false;
        emit Unpaused(_msgSender());
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

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

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

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

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

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

        _;

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

    /**
     * @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 have been allowed to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

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

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

    /**
     * @dev 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);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.0;

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

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

pragma solidity ^0.8.0;

import "../IERC721.sol";

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

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

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

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

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

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

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

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

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

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

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

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

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

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

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

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

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

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

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly
                /// @solidity memory-safe-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

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

pragma solidity ^0.8.0;

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

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

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

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
    uint8 private constant _ADDRESS_LENGTH = 20;

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

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

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

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

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.3) (utils/cryptography/ECDSA.sol)

pragma solidity ^0.8.0;

import "../Strings.sol";

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

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

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

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

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address, RecoverError) {
        bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
        uint8 v = uint8((uint256(vs) >> 255) + 27);
        return tryRecover(hash, v, r, s);
    }

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

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

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

        return (signer, RecoverError.NoError);
    }

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

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

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

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

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

pragma solidity ^0.8.0;

import "./IERC165.sol";

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

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

// SPDX-License-Identifier: MIT
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import '@openzeppelin/contracts/token/ERC721/IERC721.sol';
import '@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol';
import '@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol';
import '@openzeppelin/contracts/utils/Address.sol';
import '@openzeppelin/contracts/utils/Context.sol';
import '@openzeppelin/contracts/utils/Strings.sol';
import '@openzeppelin/contracts/utils/introspection/ERC165.sol';

error ApprovalCallerNotOwnerNorApproved();
error ApprovalQueryForNonexistentToken();
error ApproveToCaller();
error ApprovalToCurrentOwner();
error BalanceQueryForZeroAddress();
error MintToZeroAddress();
error MintZeroQuantity();
error OwnerQueryForNonexistentToken();
error TransferCallerNotOwnerNorApproved();
error TransferFromIncorrectOwner();
error TransferToNonERC721ReceiverImplementer();
error TransferToZeroAddress();
error URIQueryForNonexistentToken();

/**
 * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
 * the Metadata extension. Built to optimize for lower gas during batch mints.
 *
 * Assumes serials are sequentially minted starting at _startTokenId() (defaults to 0, e.g. 0, 1, 2, 3..).
 *
 * Assumes that an owner cannot have more than 2**64 - 1 (max value of uint64) of supply.
 *
 * Assumes that the maximum token id cannot exceed 2**256 - 1 (max value of uint256).
 */
contract ERC721A is Context, ERC165, IERC721, IERC721Metadata {
    using Address for address;
    using Strings for uint256;

    // Compiler will pack this into a single 256bit word.
    struct TokenOwnership {
        // The address of the owner.
        address addr;
        // Keeps track of the start time of ownership with minimal overhead for tokenomics.
        uint64 startTimestamp;
        // Whether the token has been burned.
        bool burned;
    }

    // Compiler will pack this into a single 256bit word.
    struct AddressData {
        // Realistically, 2**64-1 is more than enough.
        uint64 balance;
        // Keeps track of mint count with minimal overhead for tokenomics.
        uint64 numberMinted;
        // Keeps track of burn count with minimal overhead for tokenomics.
        uint64 numberBurned;
        // For miscellaneous variable(s) pertaining to the address
        // (e.g. number of whitelist mint slots used).
        // If there are multiple variables, please pack them into a uint64.
        uint64 aux;
    }

    // The tokenId of the next token to be minted.
    uint256 internal _currentIndex;

    // The number of tokens burned.
    uint256 internal _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 _ownershipOf implementation for details.
    mapping(uint256 => TokenOwnership) internal _ownerships;

    // Mapping owner address to address data
    mapping(address => AddressData) private _addressData;

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

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

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

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

    /**
     * @dev Burned tokens are calculated here, use _totalMinted() if you want to count just minted tokens.
     */
    function totalSupply() public view returns (uint256) {
        // Counter underflow is impossible as _burnCounter cannot be incremented
        // more than _currentIndex - _startTokenId() times
        unchecked {
            return _currentIndex - _burnCounter - _startTokenId();
        }
    }

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

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

    /**
     * @dev See {IERC721-balanceOf}.
     */
    function balanceOf(address owner) public view override returns (uint256) {
        if (owner == address(0)) revert BalanceQueryForZeroAddress();
        return uint256(_addressData[owner].balance);
    }

    /**
     * Returns the number of tokens minted by `owner`.
     */
    function _numberMinted(address owner) internal view returns (uint256) {
        return uint256(_addressData[owner].numberMinted);
    }

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

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

    /**
     * Sets the auxillary 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 {
        _addressData[owner].aux = aux;
    }

    /**
     * Gas spent here starts off proportional to the maximum mint batch size.
     * It gradually moves to O(1) as tokens get transferred around in the collection over time.
     */
    function _ownershipOf(uint256 tokenId) internal view returns (TokenOwnership memory) {
        uint256 curr = tokenId;

        unchecked {
            if (_startTokenId() <= curr && curr < _currentIndex) {
                TokenOwnership memory ownership = _ownerships[curr];
                if (!ownership.burned) {
                    if (ownership.addr != address(0)) {
                        return ownership;
                    }
                    // Invariant:
                    // There will always be an ownership that has an address and is not burned
                    // before an ownership that does not have an address and is not burned.
                    // Hence, curr will not underflow.
                    while (true) {
                        curr--;
                        ownership = _ownerships[curr];
                        if (ownership.addr != address(0)) {
                            return ownership;
                        }
                    }
                }
            }
        }
        revert OwnerQueryForNonexistentToken();
    }

    /**
     * @dev See {IERC721-ownerOf}.
     */
    function ownerOf(uint256 tokenId) public view override returns (address) {
        return _ownershipOf(tokenId).addr;
    }

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

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

    /**
     * @dev See {IERC721Metadata-tokenURI}.
     */
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        if (!_exists(tokenId)) revert URIQueryForNonexistentToken();

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

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

    /**
     * @dev See {IERC721-approve}.
     */
    function approve(address to, uint256 tokenId) public virtual override {
        address owner = ERC721A.ownerOf(tokenId);
        if (to == owner) revert ApprovalToCurrentOwner();

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

        _approve(to, tokenId, owner);
    }

    /**
     * @dev See {IERC721-getApproved}.
     */
    function getApproved(uint256 tokenId) public view override returns (address) {
        if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken();

        return _tokenApprovals[tokenId];
    }

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

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

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

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

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

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) public virtual override {
        _transfer(from, to, tokenId);
        if (to.isContract() && !_checkContractOnERC721Received(from, to, tokenId, _data)) {
            revert TransferToNonERC721ReceiverImplementer();
        }
    }

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

    function _safeMint(address to, uint256 quantity) internal {
        _safeMint(to, 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.
     *
     * Emits a {Transfer} event.
     */
    function _safeMint(
        address to,
        uint256 quantity,
        bytes memory _data
    ) internal {
        _mint(to, quantity, _data, true);
    }

    /**
     * @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.
     */
    function _mint(
        address to,
        uint256 quantity,
        bytes memory _data,
        bool safe
    ) internal {
        uint256 startTokenId = _currentIndex;
        if (to == address(0)) revert MintToZeroAddress();
        if (quantity == 0) revert MintZeroQuantity();

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

        // Overflows are incredibly unrealistic.
        // balance or numberMinted overflow if current value of either + quantity > 1.8e19 (2**64) - 1
        // updatedIndex overflows if _currentIndex + quantity > 1.2e77 (2**256) - 1
        unchecked {
            _addressData[to].balance += uint64(quantity);
            _addressData[to].numberMinted += uint64(quantity);

            _ownerships[startTokenId].addr = to;
            _ownerships[startTokenId].startTimestamp = uint64(block.timestamp);

            uint256 updatedIndex = startTokenId;
            uint256 end = updatedIndex + quantity;

            if (safe && to.isContract()) {
                do {
                    emit Transfer(address(0), to, updatedIndex);
                    if (!_checkContractOnERC721Received(address(0), to, updatedIndex++, _data)) {
                        revert TransferToNonERC721ReceiverImplementer();
                    }
                } while (updatedIndex != end);
                // Reentrancy protection
                if (_currentIndex != startTokenId) revert();
            } else {
                do {
                    emit Transfer(address(0), to, updatedIndex++);
                } while (updatedIndex != end);
            }
            _currentIndex = updatedIndex;
        }
        _afterTokenTransfers(address(0), to, startTokenId, quantity);
    }

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     *
     * Emits a {Transfer} event.
     */
    function _transfer(
        address from,
        address to,
        uint256 tokenId
    ) private {
        TokenOwnership memory prevOwnership = _ownershipOf(tokenId);

        if (prevOwnership.addr != from) revert TransferFromIncorrectOwner();

        bool isApprovedOrOwner = (_msgSender() == from ||
            isApprovedForAll(from, _msgSender()) ||
            getApproved(tokenId) == _msgSender());

        if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved();
        if (to == address(0)) revert TransferToZeroAddress();

        _beforeTokenTransfers(from, to, tokenId, 1);

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

        // 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 {
            _addressData[from].balance -= 1;
            _addressData[to].balance += 1;

            TokenOwnership storage currSlot = _ownerships[tokenId];
            currSlot.addr = to;
            currSlot.startTimestamp = uint64(block.timestamp);

            // If the ownership slot of tokenId+1 is not explicitly set, that means the transfer initiator owns it.
            // Set the slot of tokenId+1 explicitly in storage to maintain correctness for ownerOf(tokenId+1) calls.
            uint256 nextTokenId = tokenId + 1;
            TokenOwnership storage nextSlot = _ownerships[nextTokenId];
            if (nextSlot.addr == address(0)) {
                // This will suffice for checking _exists(nextTokenId),
                // as a burned slot cannot contain the zero address.
                if (nextTokenId != _currentIndex) {
                    nextSlot.addr = from;
                    nextSlot.startTimestamp = prevOwnership.startTimestamp;
                }
            }
        }

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

    /**
     * @dev This is 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 {
        TokenOwnership memory prevOwnership = _ownershipOf(tokenId);

        address from = prevOwnership.addr;

        if (approvalCheck) {
            bool isApprovedOrOwner = (_msgSender() == from ||
                isApprovedForAll(from, _msgSender()) ||
                getApproved(tokenId) == _msgSender());

            if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved();
        }

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

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

        // 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 {
            AddressData storage addressData = _addressData[from];
            addressData.balance -= 1;
            addressData.numberBurned += 1;

            // Keep track of who burned the token, and the timestamp of burning.
            TokenOwnership storage currSlot = _ownerships[tokenId];
            currSlot.addr = from;
            currSlot.startTimestamp = uint64(block.timestamp);
            currSlot.burned = true;

            // If the ownership slot of tokenId+1 is not explicitly set, that means the burn initiator owns it.
            // Set the slot of tokenId+1 explicitly in storage to maintain correctness for ownerOf(tokenId+1) calls.
            uint256 nextTokenId = tokenId + 1;
            TokenOwnership storage nextSlot = _ownerships[nextTokenId];
            if (nextSlot.addr == address(0)) {
                // This will suffice for checking _exists(nextTokenId),
                // as a burned slot cannot contain the zero address.
                if (nextTokenId != _currentIndex) {
                    nextSlot.addr = from;
                    nextSlot.startTimestamp = prevOwnership.startTimestamp;
                }
            }
        }

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

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

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

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

    /**
     * @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 {}
}

// SPDX-License-Identifier: MIT
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import '../ERC721A.sol';

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

// SPDX-License-Identifier: MIT
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import '../ERC721A.sol';
import '@openzeppelin/contracts/security/Pausable.sol';

error ContractPaused();

/**
 * @dev ERC721A token with pausable token transfers, minting and burning.
 *
 * Based off of OpenZeppelin's ERC721Pausable extension.
 *
 * Useful for scenarios such as preventing trades until the end of an evaluation
 * period, or having an emergency switch for freezing all token transfers in the
 * event of a large bug.
 */
abstract contract ERC721APausable is ERC721A, Pausable {
    /**
     * @dev See {ERC721A-_beforeTokenTransfers}.
     *
     * Requirements:
     *
     * - the contract must not be paused.
     */
    function _beforeTokenTransfers(
        address from,
        address to,
        uint256 startTokenId,
        uint256 quantity
    ) internal virtual override {
        super._beforeTokenTransfers(from, to, startTokenId, quantity);
        if (paused()) revert ContractPaused();
    }
}

// SPDX-License-Identifier: MIT
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import '../ERC721A.sol';

error InvalidQueryRange();

/**
 * @title ERC721A Queryable
 * @dev ERC721A subclass with convenience query functions.
 */
abstract contract ERC721AQueryable is ERC721A {
    /**
     * @dev Returns the `TokenOwnership` struct at `tokenId` without reverting.
     *
     * If the `tokenId` is out of bounds:
     *   - `addr` = `address(0)`
     *   - `startTimestamp` = `0`
     *   - `burned` = `false`
     *
     * If the `tokenId` is burned:
     *   - `addr` = `<Address of owner before token was burned>`
     *   - `startTimestamp` = `<Timestamp when token was burned>`
     *   - `burned = `true`
     *
     * Otherwise:
     *   - `addr` = `<Address of owner>`
     *   - `startTimestamp` = `<Timestamp of start of ownership>`
     *   - `burned = `false`
     */
    function explicitOwnershipOf(uint256 tokenId) public view returns (TokenOwnership memory) {
        TokenOwnership memory ownership;
        if (tokenId < _startTokenId() || tokenId >= _currentIndex) {
            return ownership;
        }
        ownership = _ownerships[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[] memory tokenIds) external view 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 returns (uint256[] memory) {
        unchecked {
            if (start >= stop) revert InvalidQueryRange();
            uint256 tokenIdsIdx;
            uint256 stopLimit = _currentIndex;
            // Set `start = max(start, _startTokenId())`.
            if (start < _startTokenId()) {
                start = _startTokenId();
            }
            // Set `stop = min(stop, _currentIndex)`.
            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 = _ownerships[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 pfp collections should be fine).
     */
    function tokensOfOwner(address owner) external view 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 = _ownerships[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
pragma solidity ^0.8.13;

interface IOperatorFilterRegistry {
    function isOperatorAllowed(address registrant, address operator) external view returns (bool);
    function register(address registrant) external;
    function registerAndSubscribe(address registrant, address subscription) external;
    function registerAndCopyEntries(address registrant, address registrantToCopy) external;
    function unregister(address addr) external;
    function updateOperator(address registrant, address operator, bool filtered) external;
    function updateOperators(address registrant, address[] calldata operators, bool filtered) external;
    function updateCodeHash(address registrant, bytes32 codehash, bool filtered) external;
    function updateCodeHashes(address registrant, bytes32[] calldata codeHashes, bool filtered) external;
    function subscribe(address registrant, address registrantToSubscribe) external;
    function unsubscribe(address registrant, bool copyExistingEntries) external;
    function subscriptionOf(address addr) external returns (address registrant);
    function subscribers(address registrant) external returns (address[] memory);
    function subscriberAt(address registrant, uint256 index) external returns (address);
    function copyEntriesOf(address registrant, address registrantToCopy) external;
    function isOperatorFiltered(address registrant, address operator) external returns (bool);
    function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool);
    function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool);
    function filteredOperators(address addr) external returns (address[] memory);
    function filteredCodeHashes(address addr) external returns (bytes32[] memory);
    function filteredOperatorAt(address registrant, uint256 index) external returns (address);
    function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32);
    function isRegistered(address addr) external returns (bool);
    function codeHashOf(address addr) external returns (bytes32);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

import {RevokableOperatorFilterer} from "./RevokableOperatorFilterer.sol";

/**
 * @title  RevokableDefaultOperatorFilterer
 * @notice Inherits from RevokableOperatorFilterer and automatically subscribes to the default OpenSea subscription.
 *         Note that OpenSea will disable creator fee enforcement if filtered operators begin fulfilling orders
 *         on-chain, eg, if the registry is revoked or bypassed.
 */
abstract contract RevokableDefaultOperatorFilterer is RevokableOperatorFilterer {
    address constant DEFAULT_SUBSCRIPTION = address(0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6);

    constructor() RevokableOperatorFilterer(0x000000000000AAeB6D7670E522A718067333cd4E, DEFAULT_SUBSCRIPTION, true) {}
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

import {UpdatableOperatorFilterer} from "./UpdatableOperatorFilterer.sol";
import {IOperatorFilterRegistry} from "./IOperatorFilterRegistry.sol";

/**
 * @title  RevokableOperatorFilterer
 * @notice This contract is meant to allow contracts to permanently skip OperatorFilterRegistry checks if desired. The
 *         Registry itself has an "unregister" function, but if the contract is ownable, the owner can re-register at
 *         any point. As implemented, this abstract contract allows the contract owner to permanently skip the
 *         OperatorFilterRegistry checks by calling revokeOperatorFilterRegistry. Once done, the registry
 *         address cannot be further updated.
 *         Note that OpenSea will still disable creator fee enforcement if filtered operators begin fulfilling orders
 *         on-chain, eg, if the registry is revoked or bypassed.
 */
abstract contract RevokableOperatorFilterer is UpdatableOperatorFilterer {
    error RegistryHasBeenRevoked();
    error InitialRegistryAddressCannotBeZeroAddress();

    bool public isOperatorFilterRegistryRevoked;

    constructor(address _registry, address subscriptionOrRegistrantToCopy, bool subscribe)
        UpdatableOperatorFilterer(_registry, subscriptionOrRegistrantToCopy, subscribe)
    {
        // don't allow creating a contract with a permanently revoked registry
        if (_registry == address(0)) {
            revert InitialRegistryAddressCannotBeZeroAddress();
        }
    }

    function _checkFilterOperator(address operator) internal view virtual override {
        if (address(operatorFilterRegistry) != address(0)) {
            super._checkFilterOperator(operator);
        }
    }

    /**
     * @notice Update the address that the contract will make OperatorFilter checks against. When set to the zero
     *         address, checks will be permanently bypassed, and the address cannot be updated again. OnlyOwner.
     */
    function updateOperatorFilterRegistryAddress(address newRegistry) public override {
        if (msg.sender != owner()) {
            revert OnlyOwner();
        }
        // if registry has been revoked, do not allow further updates
        if (isOperatorFilterRegistryRevoked) {
            revert RegistryHasBeenRevoked();
        }

        operatorFilterRegistry = IOperatorFilterRegistry(newRegistry);
    }

    /**
     * @notice Revoke the OperatorFilterRegistry address, permanently bypassing checks. OnlyOwner.
     */
    function revokeOperatorFilterRegistry() public {
        if (msg.sender != owner()) {
            revert OnlyOwner();
        }
        // if registry has been revoked, do not allow further updates
        if (isOperatorFilterRegistryRevoked) {
            revert RegistryHasBeenRevoked();
        }

        // set to zero address to bypass checks
        operatorFilterRegistry = IOperatorFilterRegistry(address(0));
        isOperatorFilterRegistryRevoked = true;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

import {IOperatorFilterRegistry} from "./IOperatorFilterRegistry.sol";

/**
 * @title  UpdatableOperatorFilterer
 * @notice Abstract contract whose constructor automatically registers and optionally subscribes to or copies another
 *         registrant's entries in the OperatorFilterRegistry. This contract allows the Owner to update the
 *         OperatorFilterRegistry address via updateOperatorFilterRegistryAddress, including to the zero address,
 *         which will bypass registry checks.
 *         Note that OpenSea will still disable creator fee enforcement if filtered operators begin fulfilling orders
 *         on-chain, eg, if the registry is revoked or bypassed.
 * @dev    This smart contract is meant to be inherited by token contracts so they can use the following:
 *         - `onlyAllowedOperator` modifier for `transferFrom` and `safeTransferFrom` methods.
 *         - `onlyAllowedOperatorApproval` modifier for `approve` and `setApprovalForAll` methods.
 */
abstract contract UpdatableOperatorFilterer {
    error OperatorNotAllowed(address operator);
    error OnlyOwner();

    IOperatorFilterRegistry public operatorFilterRegistry;

    constructor(address _registry, address subscriptionOrRegistrantToCopy, bool subscribe) {
        IOperatorFilterRegistry registry = IOperatorFilterRegistry(_registry);
        operatorFilterRegistry = registry;
        // If an inheriting token contract is deployed to a network without the registry deployed, the modifier
        // will not revert, but the contract will need to be registered with the registry once it is deployed in
        // order for the modifier to filter addresses.
        if (address(registry).code.length > 0) {
            if (subscribe) {
                registry.registerAndSubscribe(address(this), subscriptionOrRegistrantToCopy);
            } else {
                if (subscriptionOrRegistrantToCopy != address(0)) {
                    registry.registerAndCopyEntries(address(this), subscriptionOrRegistrantToCopy);
                } else {
                    registry.register(address(this));
                }
            }
        }
    }

    modifier onlyAllowedOperator(address from) virtual {
        // Allow spending tokens from addresses with balance
        // Note that this still allows listings and marketplaces with escrow to transfer tokens if transferred
        // from an EOA.
        if (from != msg.sender) {
            _checkFilterOperator(msg.sender);
        }
        _;
    }

    modifier onlyAllowedOperatorApproval(address operator) virtual {
        _checkFilterOperator(operator);
        _;
    }

    /**
     * @notice Update the address that the contract will make OperatorFilter checks against. When set to the zero
     *         address, checks will be bypassed. OnlyOwner.
     */
    function updateOperatorFilterRegistryAddress(address newRegistry) public virtual {
        if (msg.sender != owner()) {
            revert OnlyOwner();
        }
        operatorFilterRegistry = IOperatorFilterRegistry(newRegistry);
    }

    /**
     * @dev assume the contract has an owner, but leave specific Ownable implementation up to inheriting contract
     */
    function owner() public view virtual returns (address);

    function _checkFilterOperator(address operator) internal view virtual {
        IOperatorFilterRegistry registry = operatorFilterRegistry;
        // Check registry code length to facilitate testing in environments without a deployed registry.
        if (address(registry) != address(0) && address(registry).code.length > 0) {
            if (!registry.isOperatorAllowed(address(this), operator)) {
                revert OperatorNotAllowed(operator);
            }
        }
    }
}

{
  "evmVersion": "london",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "none",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 800
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"uint256","name":"price","type":"uint256"},{"internalType":"uint256","name":"_maxSupply","type":"uint256"},{"internalType":"uint256","name":"maxMintPerTx","type":"uint256"},{"internalType":"uint16","name":"maxFreeMintsPerWallet","type":"uint16"},{"internalType":"string","name":"baseUri","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"ApprovalToCurrentOwner","type":"error"},{"inputs":[],"name":"ApproveToCaller","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"ContractPaused","type":"error"},{"inputs":[],"name":"InitialRegistryAddressCannotBeZeroAddress","type":"error"},{"inputs":[],"name":"InvalidQueryRange","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"OnlyOwner","type":"error"},{"inputs":[{"internalType":"address","name":"operator","type":"address"}],"name":"OperatorNotAllowed","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"RegistryHasBeenRevoked","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":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Paused","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"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"inputs":[],"name":"MAX_FREE_MINTS_PER_WALLET","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_MINT_AMOUNT_PER_TX","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PRICE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"SALE_IS_ACTIVE","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_mintAmount","type":"uint256"}],"name":"airdrop","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","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":"struct ERC721A.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":"struct ERC721A.TokenOwnership[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"addy","type":"address"}],"name":"getFreeMints","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"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":"isOperatorFilterRegistryRevoked","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint32","name":"_mintAmount","type":"uint32"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"operatorFilterRegistry","outputs":[{"internalType":"contract IOperatorFilterRegistry","name":"","type":"address"}],"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":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"revokeOperatorFilterRegistry","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"salePrice","type":"uint256"}],"name":"royaltyInfo","outputs":[{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"royaltyAmount","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":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"customBaseURI_","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"maxFreeMintsPerWallet","type":"uint16"}],"name":"setMaxFreeMintsPerWallet","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"maxMint","type":"uint256"}],"name":"setMaxMintPerTx","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"price","type":"uint256"}],"name":"setPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"state","type":"bool"}],"name":"setSaleState","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"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":"totalFreeMinted","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":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newRegistry","type":"address"}],"name":"updateOperatorFilterRegistryAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

0x6080604052600436106102f25760003560e01c80638456cb591161018f578063b50fcaf9116100e1578063d5abeb011161008a578063ecba222a11610064578063ecba222a1461086e578063efee35681461088f578063f2fde38b146108c857600080fd5b8063d5abeb01146107f9578063dad7b5c91461080f578063e985e9c51461082557600080fd5b8063c23dc68f116100bb578063c23dc68f1461078c578063c4e37095146107b9578063c87b56dd146107d957600080fd5b8063b50fcaf91461072c578063b88d4fde1461074c578063b8d1e5321461076c57600080fd5b806391b7f5ed11610143578063a22cb4651161011d578063a22cb465146106d9578063a71bbebe146106f9578063b0ccc31e1461070c57600080fd5b806391b7f5ed1461068457806395d89b41146106a457806399a2557a146106b957600080fd5b80638ba4cc3c116101745780638ba4cc3c1461062b5780638d859f3e1461064b5780638da5cb5b1461066157600080fd5b80638456cb59146105e95780638462151c146105fe57600080fd5b80633f4ba83a116102485780635c975abb116101fc5780636352211e116101d65780636352211e1461059457806370a08231146105b4578063715018a6146105d457600080fd5b80635c975abb146105475780635ef9432a1461055f578063616cdb1e1461057457600080fd5b806342966c681161022d57806342966c68146104da57806355f804b3146104fa5780635bbb21771461051a57600080fd5b80633f4ba83a146104a557806342842e0e146104ba57600080fd5b806309ef6527116102aa578063293ae5cf11610284578063293ae5cf146104235780632a55205a146104515780633ccfd60b1461049057600080fd5b806309ef6527146103c257806318160ddd146103e657806323b872dd1461040357600080fd5b806306fdde03116102db57806306fdde0314610346578063081812fc14610368578063095ea7b3146103a057600080fd5b806301ffc9a7146102f757806306eda1b51461032c575b600080fd5b34801561030357600080fd5b5061031761031236600461285b565b6108e8565b60405190151581526020015b60405180910390f35b34801561033857600080fd5b506010546103179060ff1681565b34801561035257600080fd5b5061035b610913565b60405161032391906128d0565b34801561037457600080fd5b506103886103833660046128e3565b6109a5565b6040516001600160a01b039091168152602001610323565b3480156103ac57600080fd5b506103c06103bb366004612918565b6109e9565b005b3480156103ce57600080fd5b506103d8600d5481565b604051908152602001610323565b3480156103f257600080fd5b5060015460005403600019016103d8565b34801561040f57600080fd5b506103c061041e366004612942565b610a02565b34801561042f57600080fd5b50600e5461043e9061ffff1681565b60405161ffff9091168152602001610323565b34801561045d57600080fd5b5061047161046c36600461297e565b610a2d565b604080516001600160a01b039093168352602083019190915201610323565b34801561049c57600080fd5b506103c0610a55565b3480156104b157600080fd5b506103c0610ae3565b3480156104c657600080fd5b506103c06104d5366004612942565b610af5565b3480156104e657600080fd5b506103c06104f53660046128e3565b610b1a565b34801561050657600080fd5b506103c0610515366004612a3f565b610b28565b34801561052657600080fd5b5061053a610535366004612a88565b610b47565b6040516103239190612b2e565b34801561055357600080fd5b5060085460ff16610317565b34801561056b57600080fd5b506103c0610c0e565b34801561058057600080fd5b506103c061058f3660046128e3565b610cab565b3480156105a057600080fd5b506103886105af3660046128e3565b610cb8565b3480156105c057600080fd5b506103d86105cf366004612b99565b610cca565b3480156105e057600080fd5b506103c0610d19565b3480156105f557600080fd5b506103c0610d2b565b34801561060a57600080fd5b5061061e610619366004612b99565b610d3b565b6040516103239190612bb4565b34801561063757600080fd5b506103c0610646366004612918565b610e7d565b34801561065757600080fd5b506103d8600b5481565b34801561066d57600080fd5b5060085461010090046001600160a01b0316610388565b34801561069057600080fd5b506103c061069f3660046128e3565b610f3f565b3480156106b057600080fd5b5061035b610f4c565b3480156106c557600080fd5b5061061e6106d4366004612bec565b610f5b565b3480156106e557600080fd5b506103c06106f4366004612c2d565b61111e565b6103c0610707366004612c64565b611132565b34801561071857600080fd5b50600a54610388906001600160a01b031681565b34801561073857600080fd5b506103c0610747366004612c8a565b611463565b34801561075857600080fd5b506103c0610767366004612cae565b611483565b34801561077857600080fd5b506103c0610787366004612b99565b6114b0565b34801561079857600080fd5b506107ac6107a73660046128e3565b61154c565b6040516103239190612d2a565b3480156107c557600080fd5b506103c06107d4366004612d60565b611607565b3480156107e557600080fd5b5061035b6107f43660046128e3565b611622565b34801561080557600080fd5b506103d8600c5481565b34801561081b57600080fd5b506103d860115481565b34801561083157600080fd5b50610317610840366004612d7d565b6001600160a01b03918216600090815260076020908152604080832093909416825291909152205460ff1690565b34801561087a57600080fd5b50600a5461031790600160a01b900460ff1681565b34801561089b57600080fd5b506108af6108aa366004612b99565b6116a5565b60405167ffffffffffffffff9091168152602001610323565b3480156108d457600080fd5b506103c06108e3366004612b99565b6116d4565b60006001600160e01b0319821663152a902d60e11b148061090d575061090d82611761565b92915050565b60606002805461092290612db0565b80601f016020809104026020016040519081016040528092919081815260200182805461094e90612db0565b801561099b5780601f106109705761010080835404028352916020019161099b565b820191906000526020600020905b81548152906001019060200180831161097e57829003601f168201915b5050505050905090565b60006109b0826117b1565b6109cd576040516333d1c03960e21b815260040160405180910390fd5b506000908152600660205260409020546001600160a01b031690565b816109f3816117ea565b6109fd8383611804565b505050565b826001600160a01b0381163314610a1c57610a1c336117ea565b610a278484846118a9565b50505050565b60008030612710610a40856103e8612e00565b610a4a9190612e35565b915091509250929050565b610a5d6118b4565b600260095403610ab45760405162461bcd60e51b815260206004820152601f60248201527f5265656e7472616e637947756172643a207265656e7472616e742063616c6c0060448201526064015b60405180910390fd5b600260095547610adb610ad56008546001600160a01b036101009091041690565b82611914565b506001600955565b610aeb6118b4565b610af3611a2d565b565b826001600160a01b0381163314610b0f57610b0f336117ea565b610a27848484611a7f565b610b25816001611a9a565b50565b610b306118b4565b8051610b4390600f9060208401906127ac565b5050565b805160609060008167ffffffffffffffff811115610b6757610b676129a0565b604051908082528060200260200182016040528015610bb257816020015b6040805160608101825260008082526020808301829052928201528252600019909201910181610b855790505b50905060005b828114610c0657610be1858281518110610bd457610bd4612e49565b602002602001015161154c565b828281518110610bf357610bf3612e49565b6020908102919091010152600101610bb8565b509392505050565b60085461010090046001600160a01b03166001600160a01b0316336001600160a01b031614610c5057604051635fc483c560e01b815260040160405180910390fd5b600a54600160a01b900460ff1615610c7b57604051631551a48f60e11b815260040160405180910390fd5b600a80547fffffffffffffffffffffff00000000000000000000000000000000000000000016600160a01b179055565b610cb36118b4565b600d55565b6000610cc382611cbc565b5192915050565b60006001600160a01b038216610cf3576040516323d3ad8160e21b815260040160405180910390fd5b506001600160a01b031660009081526005602052604090205467ffffffffffffffff1690565b610d216118b4565b610af36000611de5565b610d336118b4565b610af3611e56565b60606000806000610d4b85610cca565b905060008167ffffffffffffffff811115610d6857610d686129a0565b604051908082528060200260200182016040528015610d91578160200160208202803683370190505b50604080516060810182526000808252602082018190529181019190915290915060015b838614610e7157600081815260046020908152604091829020825160608101845290546001600160a01b0381168252600160a01b810467ffffffffffffffff1692820192909252600160e01b90910460ff1615159181018290529250610e695781516001600160a01b031615610e2a57815194505b876001600160a01b0316856001600160a01b031603610e695780838780600101985081518110610e5c57610e5c612e49565b6020026020010181815250505b600101610db5565b50909695505050505050565b80600c5481600054610e8f9190612e5f565b1115610edd5760405162461bcd60e51b815260206004820152601460248201527f4d617820737570706c79206578636565646564210000000000000000000000006044820152606401610aab565b60008111610f2d5760405162461bcd60e51b815260206004820152601460248201527f496e76616c6964206d696e7420616d6f756e74210000000000000000000000006044820152606401610aab565b610f356118b4565b6109fd8383611e93565b610f476118b4565b600b55565b60606003805461092290612db0565b6060818310610f7d57604051631960ccad60e11b815260040160405180910390fd5b600080546001851015610f8f57600194505b80841115610f9b578093505b6000610fa687610cca565b905084861015610fc55785850381811015610fbf578091505b50610fc9565b5060005b60008167ffffffffffffffff811115610fe457610fe46129a0565b60405190808252806020026020018201604052801561100d578160200160208202803683370190505b5090508160000361102357935061111792505050565b600061102e8861154c565b90506000816040015161103f575080515b885b8881141580156110515750848714155b1561110b57600081815260046020908152604091829020825160608101845290546001600160a01b0381168252600160a01b810467ffffffffffffffff1692820192909252600160e01b90910460ff16151591810182905293506111035782516001600160a01b0316156110c457825191505b8a6001600160a01b0316826001600160a01b03160361110357808488806001019950815181106110f6576110f6612e49565b6020026020010181815250505b600101611041565b50505092835250909150505b9392505050565b81611128816117ea565b6109fd8383611ead565b8063ffffffff16600c548160005461114a9190612e5f565b11156111985760405162461bcd60e51b815260206004820152601460248201527f4d617820737570706c79206578636565646564210000000000000000000000006044820152606401610aab565b600081116111e85760405162461bcd60e51b815260206004820152601460248201527f496e76616c6964206d696e7420616d6f756e74210000000000000000000000006044820152606401610aab565b600d548263ffffffff1611156112405760405162461bcd60e51b815260206004820152601460248201527f4d696e74206c696d6974206578636565646564210000000000000000000000006044820152606401610aab565b60105460ff166112925760405162461bcd60e51b815260206004820152601060248201527f53616c65206e6f742073746172746564000000000000000000000000000000006044820152606401610aab565b60008263ffffffff16600b546112a89190612e00565b33600090815260056020526040812054600e54929350600160c01b900467ffffffffffffffff169161ffff168210156112f057600e546112ed90839061ffff16612e77565b90505b600067ffffffffffffffff82161561137a578167ffffffffffffffff168663ffffffff161061134657600b546113309067ffffffffffffffff8416612e00565b61133a9085612ea0565b9350600091905061137a565b600b546113599063ffffffff8816612e00565b6113639085612ea0565b93505063ffffffff85166113778183612e77565b91505b833410156113ca5760405162461bcd60e51b815260206004820152601360248201527f496e73756666696369656e742066756e647321000000000000000000000000006044820152606401610aab565b6113da338763ffffffff16611e93565b8067ffffffffffffffff16601160008282546113f69190612e5f565b9091555061145b90503361140a8386612eb7565b6001600160a01b039091166000908152600560205260409020805467ffffffffffffffff909216600160c01b0277ffffffffffffffffffffffffffffffffffffffffffffffff909216919091179055565b505050505050565b61146b6118b4565b600e805461ffff191661ffff92909216919091179055565b836001600160a01b038116331461149d5761149d336117ea565b6114a985858585611f42565b5050505050565b60085461010090046001600160a01b03166001600160a01b0316336001600160a01b0316146114f257604051635fc483c560e01b815260040160405180910390fd5b600a54600160a01b900460ff161561151d57604051631551a48f60e11b815260040160405180910390fd5b600a805473ffffffffffffffffffffffffffffffffffffffff19166001600160a01b0392909216919091179055565b6040805160608082018352600080835260208084018290528385018290528451928301855281835282018190529281019290925290600183108061159257506000548310155b1561159d5792915050565b50600082815260046020908152604091829020825160608101845290546001600160a01b0381168252600160a01b810467ffffffffffffffff1692820192909252600160e01b90910460ff1615801592820192909252906115fe5792915050565b61111783611cbc565b61160f6118b4565b6010805460ff1916911515919091179055565b606061162d826117b1565b61164a57604051630a14c4b560e41b815260040160405180910390fd5b6000611654611f8d565b905080516000036116745760405180602001604052806000815250611117565b8061167e84611f9c565b60405160200161168f929190612ee3565b6040516020818303038152906040529392505050565b6001600160a01b038116600090815260056020526040812054600160c01b900467ffffffffffffffff1661090d565b6116dc6118b4565b6001600160a01b0381166117585760405162461bcd60e51b815260206004820152602660248201527f4f776e61626c653a206e6577206f776e657220697320746865207a65726f206160448201527f64647265737300000000000000000000000000000000000000000000000000006064820152608401610aab565b610b2581611de5565b60006001600160e01b031982166380ac58cd60e01b148061179257506001600160e01b03198216635b5e139f60e01b145b8061090d57506301ffc9a760e01b6001600160e01b031983161461090d565b6000816001111580156117c5575060005482105b801561090d575050600090815260046020526040902054600160e01b900460ff161590565b600a546001600160a01b031615610b2557610b25816120bd565b600061180f82610cb8565b9050806001600160a01b0316836001600160a01b0316036118435760405163250fdee360e21b815260040160405180910390fd5b336001600160a01b0382161480159061188057506001600160a01b038116600090815260076020908152604080832033845290915290205460ff16155b1561189e576040516367d9dca160e11b815260040160405180910390fd5b6109fd83838361217f565b6109fd8383836121e8565b6008546001600160a01b03610100909104163314610af35760405162461bcd60e51b815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e65726044820152606401610aab565b804710156119645760405162461bcd60e51b815260206004820152601d60248201527f416464726573733a20696e73756666696369656e742062616c616e63650000006044820152606401610aab565b6000826001600160a01b03168260405160006040518083038185875af1925050503d80600081146119b1576040519150601f19603f3d011682016040523d82523d6000602084013e6119b6565b606091505b50509050806109fd5760405162461bcd60e51b815260206004820152603a60248201527f416464726573733a20756e61626c6520746f2073656e642076616c75652c207260448201527f6563697069656e74206d617920686176652072657665727465640000000000006064820152608401610aab565b611a35612400565b6008805460ff191690557f5db9ee0a495bf2e6ff9c91a7834c1ba4fdd244a5e8aa4e537bd38aeae4b073aa335b6040516001600160a01b03909116815260200160405180910390a1565b6109fd83838360405180602001604052806000815250611483565b6000611aa583611cbc565b80519091508215611b29576000336001600160a01b0383161480611aec57506001600160a01b038216600090815260076020908152604080832033845290915290205460ff165b80611b07575033611afc866109a5565b6001600160a01b0316145b905080611b2757604051632ce44b5f60e11b815260040160405180910390fd5b505b611b37816000866001612452565b611b436000858361217f565b6001600160a01b038082166000818152600560209081526040808320805470010000000000000000000000000000000060001967ffffffffffffffff80841691909101811667ffffffffffffffff19841681178390048216600190810183169093027fffffffffffffffff0000000000000000ffffffffffffffff0000000000000000909416179290921783558b8652600490945282852080547fffffff00ffffffffffffffffffffffffffffffffffffffffffffffffffffffff42909316600160a01b026001600160e01b03199091169097179690961716600160e01b178555918901808452922080549194909116611c72576000548214611c72578054602087015167ffffffffffffffff16600160a01b026001600160e01b03199091166001600160a01b038716171781555b5050604051869250600091506001600160a01b038416907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef908390a4505060018054810190555050565b60408051606081018252600080825260208201819052918101919091528180600111158015611cec575060005481105b15611dcc57600081815260046020908152604091829020825160608101845290546001600160a01b0381168252600160a01b810467ffffffffffffffff1692820192909252600160e01b90910460ff16151591810182905290611dca5780516001600160a01b031615611d60579392505050565b5060001901600081815260046020908152604091829020825160608101845290546001600160a01b038116808352600160a01b820467ffffffffffffffff1693830193909352600160e01b900460ff1615159281019290925215611dc5579392505050565b611d60565b505b604051636f96cda160e11b815260040160405180910390fd5b600880546001600160a01b038381166101008181027fffffffffffffffffffffff0000000000000000000000000000000000000000ff85161790945560405193909204169182907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e090600090a35050565b611e5e61245e565b6008805460ff191660011790557f62e78cea01bee320cd4e420270b5ea74000d11b0c9f74754ebdbfc544b05a258611a623390565b610b438282604051806020016040528060008152506124b1565b336001600160a01b03831603611ed65760405163b06307db60e01b815260040160405180910390fd5b3360008181526007602090815260408083206001600160a01b03871680855290835292819020805460ff191686151590811790915590519081529192917f17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31910160405180910390a35050565b611f4d8484846121e8565b6001600160a01b0383163b15158015611f6f5750611f6d848484846124be565b155b15610a27576040516368d2bf6b60e11b815260040160405180910390fd5b6060600f805461092290612db0565b606081600003611fc35750506040805180820190915260018152600360fc1b602082015290565b8160005b8115611fed5780611fd781612f09565b9150611fe69050600a83612e35565b9150611fc7565b60008167ffffffffffffffff811115612008576120086129a0565b6040519080825280601f01601f191660200182016040528015612032576020820181803683370190505b5090505b84156120b557612047600183612ea0565b9150612054600a86612f22565b61205f906030612e5f565b60f81b81838151811061207457612074612e49565b60200101907effffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff1916908160001a9053506120ae600a86612e35565b9450612036565b949350505050565b600a546001600160a01b031680158015906120e257506000816001600160a01b03163b115b15610b4357604051633185c44d60e21b81523060048201526001600160a01b03838116602483015282169063c617113490604401602060405180830381865afa158015612133573d6000803e3d6000fd5b505050506040513d601f19601f820116820180604052508101906121579190612f36565b610b4357604051633b79c77360e21b81526001600160a01b0383166004820152602401610aab565b600082815260066020526040808220805473ffffffffffffffffffffffffffffffffffffffff19166001600160a01b0387811691821790925591518593918516917f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b92591a4505050565b60006121f382611cbc565b9050836001600160a01b031681600001516001600160a01b03161461222a5760405162a1148160e81b815260040160405180910390fd5b6000336001600160a01b038616148061226657506001600160a01b038516600090815260076020908152604080832033845290915290205460ff165b80612281575033612276846109a5565b6001600160a01b0316145b9050806122a157604051632ce44b5f60e11b815260040160405180910390fd5b6001600160a01b0384166122c857604051633a954ecd60e21b815260040160405180910390fd5b6122d58585856001612452565b6122e16000848761217f565b6001600160a01b038581166000908152600560209081526040808320805467ffffffffffffffff1980821667ffffffffffffffff92831660001901831617909255898616808652838620805493841693831660019081018416949094179055898652600490945282852080546001600160e01b031916909417600160a01b429092169190910217835587018084529220805491939091166123b75760005482146123b7578054602086015167ffffffffffffffff16600160a01b026001600160e01b03199091166001600160a01b038a16171781555b50505082846001600160a01b0316866001600160a01b03167fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef60405160405180910390a46114a9565b60085460ff16610af35760405162461bcd60e51b815260206004820152601460248201527f5061757361626c653a206e6f74207061757365640000000000000000000000006044820152606401610aab565b610a27848484846125a9565b60085460ff1615610af35760405162461bcd60e51b815260206004820152601060248201527f5061757361626c653a20706175736564000000000000000000000000000000006044820152606401610aab565b6109fd83838360016125cd565b604051630a85bd0160e11b81526000906001600160a01b0385169063150b7a02906124f3903390899088908890600401612f53565b6020604051808303816000875af192505050801561252e575060408051601f3d908101601f1916820190925261252b91810190612f8f565b60015b61258c573d80801561255c576040519150601f19603f3d011682016040523d82523d6000602084013e612561565b606091505b508051600003612584576040516368d2bf6b60e11b815260040160405180910390fd5b805181602001fd5b6001600160e01b031916630a85bd0160e11b149050949350505050565b60085460ff1615610a275760405163ab35696f60e01b815260040160405180910390fd5b6000546001600160a01b0385166125f657604051622e076360e81b815260040160405180910390fd5b836000036126175760405163b562e8dd60e01b815260040160405180910390fd5b6126246000868387612452565b6001600160a01b038516600081815260056020908152604080832080546fffffffffffffffffffffffffffffffff19811667ffffffffffffffff8083168c0181169182176801000000000000000067ffffffffffffffff1990941690921783900481168c01811690920217909155858452600490925290912080546001600160e01b031916909217600160a01b4290921691909102179055808085018380156126d657506001600160a01b0387163b15155b1561275e575b60405182906001600160a01b038916906000907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef908290a461272760008884806001019550886124be565b612744576040516368d2bf6b60e11b815260040160405180910390fd5b8082036126dc57826000541461275957600080fd5b6127a3565b5b6040516001830192906001600160a01b038916906000907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef908290a480820361275f575b506000556114a9565b8280546127b890612db0565b90600052602060002090601f0160209004810192826127da5760008555612820565b82601f106127f357805160ff1916838001178555612820565b82800160010185558215612820579182015b82811115612820578251825591602001919060010190612805565b5061282c929150612830565b5090565b5b8082111561282c5760008155600101612831565b6001600160e01b031981168114610b2557600080fd5b60006020828403121561286d57600080fd5b813561111781612845565b60005b8381101561289357818101518382015260200161287b565b83811115610a275750506000910152565b600081518084526128bc816020860160208601612878565b601f01601f19169290920160200192915050565b60208152600061111760208301846128a4565b6000602082840312156128f557600080fd5b5035919050565b80356001600160a01b038116811461291357600080fd5b919050565b6000806040838503121561292b57600080fd5b612934836128fc565b946020939093013593505050565b60008060006060848603121561295757600080fd5b612960846128fc565b925061296e602085016128fc565b9150604084013590509250925092565b6000806040838503121561299157600080fd5b50508035926020909101359150565b634e487b7160e01b600052604160045260246000fd5b604051601f8201601f1916810167ffffffffffffffff811182821017156129df576129df6129a0565b604052919050565b600067ffffffffffffffff831115612a0157612a016129a0565b612a14601f8401601f19166020016129b6565b9050828152838383011115612a2857600080fd5b828260208301376000602084830101529392505050565b600060208284031215612a5157600080fd5b813567ffffffffffffffff811115612a6857600080fd5b8201601f81018413612a7957600080fd5b6120b5848235602084016129e7565b60006020808385031215612a9b57600080fd5b823567ffffffffffffffff80821115612ab357600080fd5b818501915085601f830112612ac757600080fd5b813581811115612ad957612ad96129a0565b8060051b9150612aea8483016129b6565b8181529183018401918481019088841115612b0457600080fd5b938501935b83851015612b2257843582529385019390850190612b09565b98975050505050505050565b6020808252825182820181905260009190848201906040850190845b81811015610e7157612b8683855180516001600160a01b0316825260208082015167ffffffffffffffff16908301526040908101511515910152565b9284019260609290920191600101612b4a565b600060208284031215612bab57600080fd5b611117826128fc565b6020808252825182820181905260009190848201906040850190845b81811015610e7157835183529284019291840191600101612bd0565b600080600060608486031215612c0157600080fd5b612c0a846128fc565b95602085013595506040909401359392505050565b8015158114610b2557600080fd5b60008060408385031215612c4057600080fd5b612c49836128fc565b91506020830135612c5981612c1f565b809150509250929050565b600060208284031215612c7657600080fd5b813563ffffffff8116811461111757600080fd5b600060208284031215612c9c57600080fd5b813561ffff8116811461111757600080fd5b60008060008060808587031215612cc457600080fd5b612ccd856128fc565b9350612cdb602086016128fc565b925060408501359150606085013567ffffffffffffffff811115612cfe57600080fd5b8501601f81018713612d0f57600080fd5b612d1e878235602084016129e7565b91505092959194509250565b81516001600160a01b0316815260208083015167ffffffffffffffff16908201526040808301511515908201526060810161090d565b600060208284031215612d7257600080fd5b813561111781612c1f565b60008060408385031215612d9057600080fd5b612d99836128fc565b9150612da7602084016128fc565b90509250929050565b600181811c90821680612dc457607f821691505b602082108103612de457634e487b7160e01b600052602260045260246000fd5b50919050565b634e487b7160e01b600052601160045260246000fd5b6000816000190483118215151615612e1a57612e1a612dea565b500290565b634e487b7160e01b600052601260045260246000fd5b600082612e4457612e44612e1f565b500490565b634e487b7160e01b600052603260045260246000fd5b60008219821115612e7257612e72612dea565b500190565b600067ffffffffffffffff83811690831681811015612e9857612e98612dea565b039392505050565b600082821015612eb257612eb2612dea565b500390565b600067ffffffffffffffff808316818516808303821115612eda57612eda612dea565b01949350505050565b60008351612ef5818460208801612878565b835190830190612eda818360208801612878565b600060018201612f1b57612f1b612dea565b5060010190565b600082612f3157612f31612e1f565b500690565b600060208284031215612f4857600080fd5b815161111781612c1f565b60006001600160a01b03808716835280861660208401525083604083015260806060830152612f8560808301846128a4565b9695505050505050565b600060208284031215612fa157600080fd5b81516111178161284556fea164736f6c634300080d000a

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

-----Decoded View---------------
Arg [0] : price (uint256): 20000000000000000
Arg [1] : _maxSupply (uint256): 200
Arg [2] : maxMintPerTx (uint256): 1
Arg [3] : maxFreeMintsPerWallet (uint16): 1
Arg [4] : baseUri (string): https://storage.googleapis.com/bauhaus-by-anon/metadata/

-----Encoded View---------------
8 Constructor Arguments found :
Arg [0] : 00000000000000000000000000000000000000000000000000470de4df820000
Arg [1] : 00000000000000000000000000000000000000000000000000000000000000c8
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000001
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000001
Arg [4] : 00000000000000000000000000000000000000000000000000000000000000a0
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000038
Arg [6] : 68747470733a2f2f73746f726167652e676f6f676c65617069732e636f6d2f62
Arg [7] : 6175686175732d62792d616e6f6e2f6d657461646174612f0000000000000000