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: UNLICENSED
pragma solidity ^0.8.4;

import "erc721a/contracts/ERC721A.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";

contract Croobies is ERC721A, Ownable {
    using ECDSA for bytes32;
    using Strings for uint256;

    enum SaleState {
        CLOSED,
        ALLOW_LIST,
        PUBLIC
    }

    struct SaleConfig {
        uint112 publicPrice;
        uint16 maxSupply;
        uint8 maxPerWallet;
        SaleState currentState;
    }

    //@notice mapping to store claimed 
    mapping(address => bool) public claimed;
    
    //@notice Contract Variables
    SaleConfig public config;

    bool public revealed;

    //@notice Signer for allow list
    address public signer;

    //@notice Metadata URL
    string private _baseTokenURI;

    //@notice Support for ERC2981
    bytes4 private constant _INTERFACE_ID_ERC2981 = 0x2a55205a;

    //@notice Royalty Variables
    address private _royaltyAddress;
    uint256 private _royaltyPercentage;

    constructor(
      address _signer,
      address royaltyAddress,
      uint256 royaltyPercentage,
      string memory _base
      ) ERC721A("Croobies", "CROOBIE") {

          config = SaleConfig({
              publicPrice: 0.02 ether,
              maxSupply: 3333,
              maxPerWallet: 10,
              currentState: SaleState.CLOSED
          });

          signer = _signer;
          _royaltyAddress = royaltyAddress;
          _royaltyPercentage = royaltyPercentage;
          _baseTokenURI = _base;
    }

    function allowlistBuy(bytes calldata signature, uint256 quantity) external {
        require(config.currentState == SaleState.ALLOW_LIST, "NOT_LIVE");
        require(totalSupply() + quantity <= config.maxSupply, "MAX_SUPPLY");
        require(!claimed[msg.sender], "USER_CLAIMED");
        require(keccak256(
            abi.encodePacked("\x19Ethereum Signed Message:\n32",
            keccak256(abi.encodePacked(msg.sender, quantity))
            )).recover(signature) == signer, "SIG_FAILED");
        claimed[msg.sender] = true;
        _safeMint(msg.sender, quantity);
    }

    function publicMint(uint256 quantity) external payable {
        require(config.currentState == SaleState.PUBLIC, "NOT_LIVE");
        require(totalSupply() + quantity <= config.maxSupply, "MAX_SUPPLY");
        require(quantity <= config.maxPerWallet, "MAX_WALLET_LIMIT");
        require(msg.value >= quantity * config.publicPrice, "NOT_ENOUGH_ETHER");
        _safeMint(msg.sender, quantity);
    }

    function withdraw() external onlyOwner {
        (bool sent, ) = payable(msg.sender).call{value: address(this).balance }("");
        require(sent, "FAILED_TO_SEND_ETHER");
    }

    function setBaseURI(string calldata baseURI) external onlyOwner {
      _baseTokenURI = baseURI;
    }

    function setState(SaleState _state) external onlyOwner {
        config.currentState = _state;
    }

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

    function setCost(uint112 _cost) external onlyOwner {
        config.publicPrice = _cost;
    }

    function setSupply(uint16 supply) external onlyOwner {
        config.maxSupply = supply;
    }

    function revealCroobies(bool _reveal, string memory newURI) external onlyOwner {
        revealed = _reveal;
        _baseTokenURI = newURI;
    }

    function editRoyaltyFee(uint256 percent) external onlyOwner {
        _royaltyPercentage = percent;
    }

    function royaltyInfo(uint256, uint256 value) external view returns (address, uint256) {
        return (_royaltyAddress, value * _royaltyPercentage / 10000);
    }

    function _baseURI() internal view virtual override returns (string memory) {
      return _baseTokenURI;
    }
    
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        require(_exists(tokenId),"ERC721Metadata: URI query for nonexistent token");
        string memory currentBaseURI = _baseURI();
        if(revealed) {
            return string(abi.encodePacked(currentBaseURI, tokenId.toString(), ".json"));
        } else {
            return currentBaseURI;
        }
    }
    
    function _startTokenId() internal view virtual override returns (uint256) {
        return 1;
    }

}

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (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 be have been allowed to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

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

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

    /**
     * @dev 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 v4.5.0) (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

                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 v4.4.1 (utils/Strings.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/cryptography/ECDSA.sol)

pragma solidity ^0.8.0;

import "../Strings.sol";

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

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

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

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

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address, RecoverError) {
        bytes32 s = 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
// ERC721A Contracts v3.3.0
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import './IERC721A.sol';
import '@openzeppelin/contracts/token/ERC721/IERC721Receiver.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';

/**
 * @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, IERC721A {
    using Address for address;
    using Strings for uint256;

    // 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 override 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) if (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 override {
        address owner = ERC721A.ownerOf(tokenId);
        if (to == owner) revert ApprovalToCurrentOwner();

        if (_msgSender() != owner) if(!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()) if(!_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;
    }

    /**
     * @dev Equivalent to `_safeMint(to, quantity, '')`.
     */
    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 {
        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 (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 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) 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;

            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 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
// ERC721A Contracts v3.3.0
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import '@openzeppelin/contracts/token/ERC721/IERC721.sol';
import '@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol';

/**
 * @dev Interface of an ERC721A compliant contract.
 */
interface IERC721A is IERC721, IERC721Metadata {
    /**
     * The caller must own the token or be an approved operator.
     */
    error ApprovalCallerNotOwnerNorApproved();

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

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

    /**
     * The caller cannot approve to the current owner.
     */
    error ApprovalToCurrentOwner();

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

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

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

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

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

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

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

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

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

    // 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;
    }

    /**
     * @dev Returns the total amount of tokens stored by the contract.
     * 
     * Burned tokens are calculated here, use `_totalMinted()` if you want to count just minted tokens.
     */
    function totalSupply() external view returns (uint256);
}

{
  "evmVersion": "istanbul",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 1337
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_signer","type":"address"},{"internalType":"address","name":"royaltyAddress","type":"address"},{"internalType":"uint256","name":"royaltyPercentage","type":"uint256"},{"internalType":"string","name":"_base","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":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","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":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"bytes","name":"signature","type":"bytes"},{"internalType":"uint256","name":"quantity","type":"uint256"}],"name":"allowlistBuy","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"claimed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"config","outputs":[{"internalType":"uint112","name":"publicPrice","type":"uint112"},{"internalType":"uint16","name":"maxSupply","type":"uint16"},{"internalType":"uint8","name":"maxPerWallet","type":"uint8"},{"internalType":"enum Croobies.SaleState","name":"currentState","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"percent","type":"uint256"}],"name":"editRoyaltyFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"quantity","type":"uint256"}],"name":"publicMint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_reveal","type":"bool"},{"internalType":"string","name":"newURI","type":"string"}],"name":"revealCroobies","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"revealed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"royaltyInfo","outputs":[{"internalType":"address","name":"","type":"address"},{"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":"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":"baseURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint112","name":"_cost","type":"uint112"}],"name":"setCost","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"setSigner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"enum Croobies.SaleState","name":"_state","type":"uint8"}],"name":"setState","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"supply","type":"uint16"}],"name":"setSupply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"signer","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

000000000000000000000000e91798dcbceacba52a007806884e64e067e14e8500000000000000000000000023284beb7dc3abee653b7cdb589d8c586460712600000000000000000000000000000000000000000000000000000000000001f40000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000003c697066733a2f2f516d6175784e6a63475743534d476b7a4b6354463236435777624a646e4368644c376273316a393138416f3174422f312e6a736f6e00000000

-----Decoded View---------------
Arg [0] : _signer (address): 0xe91798dCbcEAcBA52a007806884E64e067e14E85
Arg [1] : royaltyAddress (address): 0x23284beB7Dc3abEE653B7cdb589d8c5864607126
Arg [2] : royaltyPercentage (uint256): 500
Arg [3] : _base (string): ipfs://QmauxNjcGWCSMGkzKcTF26CWwbJdnChdL7bs1j918Ao1tB/1.json

-----Encoded View---------------
7 Constructor Arguments found :
Arg [0] : 000000000000000000000000e91798dcbceacba52a007806884e64e067e14e85
Arg [1] : 00000000000000000000000023284beb7dc3abee653b7cdb589d8c5864607126
Arg [2] : 00000000000000000000000000000000000000000000000000000000000001f4
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000080
Arg [4] : 000000000000000000000000000000000000000000000000000000000000003c
Arg [5] : 697066733a2f2f516d6175784e6a63475743534d476b7a4b6354463236435777
Arg [6] : 624a646e4368644c376273316a393138416f3174422f312e6a736f6e00000000