Token

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 ^0.8.19;

import "erc721a/contracts/extensions/ERC721AQueryable.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/math/SafeMath.sol";
import "@openzeppelin/contracts/utils/Counters.sol";
import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "operator-filter-registry/src/DefaultOperatorFilterer.sol";

// @author: olive

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
///                                                                                                                             ///
///    ____    ____        _           ______                          _            ______         __        _                  ///
///   |_   \  /   _|      / |_        |_   _ \                        / |_         |_   _ \       [  |      (_)                 ///
///     |   \/   |  .---.`| |-',--.     | |_) |  .--.  __   _  _ .--.`| |-'_   __    | |_) | ,--.  | |.--.  __  .---.  .--.     ///
///     | |\  /| | / /__\\| | `'_\ :    |  __'./ .'`\ [  | | |[ `.-. || | [ \ [  ]   |  __'.`'_\ : | '/'`\ [  |/ /__\\( (`\]    ///
///    _| |_\/_| |_| \__.,| |,// | |,  _| |__) | \__. || \_/ |,| | | || |, \ '/ /   _| |__) // | |,|  \__/ || || \__., `'.'.    ///
///   |_____||_____|'.__.'\__/\'-;__/ |_______/ '.__.' '.__.'_[___||__]__[\_:  /   |_______/\'-;__[__;.__.'[___]'.__.'[\__))    ///
///                                                                       \__.'                                                 ///
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

contract MetaBountyBabies is
    ERC721AQueryable,
    Ownable,
    ReentrancyGuard,
    DefaultOperatorFilterer
{
    address private signerAddress;

    using SafeMath for uint256;
    using Strings for uint256;

    uint256 public MAX_ELEMENTS = 8888;
    uint256 public PRICE = 0.1 ether;
    uint256 public constant START_AT = 1;
    uint256 public LIMIT_PER_MINT = 500;

    bool private PAUSE = true;
    bool private PAUSE_FREE = true;

    uint256 private tokenIdTracker = 0;

    string public baseTokenURI = "";

    bool public META_REVEAL = false;
    uint256 public HIDE_FROM = 1;
    uint256 public HIDE_TO = 8888;
    string public sampleTokenURI = "";

    address public constant creatorAddress =
        0x69A0B32752011FB029Df30B4388D2752aD3997e1;

    mapping(address => bool) internal admins;
    mapping(address => uint256) mintTokenCount;
    mapping(address => uint256) lastCheckPoint;

    struct NFTArrays {
        uint256[] iconics;
        uint256[] hunters;
        uint256[] huntresses;
        uint256[] secrets;
    }

    NFTArrays private nftsUsed;

    event PauseEvent(bool pause);
    event NewPriceEvent(uint256 price);
    event NewMaxElement(uint256 max);

    constructor(address _singenr) ERC721A("Meta Bounty Babies", "MBB") {
        admins[msg.sender] = true;
        signerAddress = _singenr;
    }

    modifier saleIsOpen() {
        require(totalToken() <= MAX_ELEMENTS, "MBB: Soldout");
        require(!PAUSE, "MBB: Sales not open");
        _;
    }

    modifier freeMintIsOpen() {
        require(totalToken() <= MAX_ELEMENTS, "MBB: Soldout");
        require(!PAUSE_FREE, "MBB: Free Mint not open");
        _;
    }

    modifier onlyAdmin() {
        require(admins[_msgSender()], "MBB: Caller is not the admin");
        _;
    }

    function setBaseURI(string calldata _baseURI) public onlyAdmin {
        baseTokenURI = _baseURI;
    }

    function setSampleURI(string calldata sampleURI) public onlyAdmin {
        sampleTokenURI = sampleURI;
    }

    function totalToken() public view returns (uint256) {
        return tokenIdTracker;
    }

    function totalIconicTokensUsed() public view returns (uint256[] memory) {
        return nftsUsed.iconics;
    }

    function totalHunterTokensUsed() public view returns (uint256[] memory) {
        return nftsUsed.hunters;
    }

    function totalHuntressTokensUsed() public view returns (uint256[] memory) {
        return nftsUsed.huntresses;
    }

    function totalSecretTokensUsed() public view returns (uint256[] memory) {
        return nftsUsed.secrets;
    }

    function tokenURI(
        uint256 tokenId
    ) public view virtual override(ERC721A, IERC721A) returns (string memory) {
        require(_exists(tokenId), "MBB: URI query for nonexistent token");

        if (!META_REVEAL && tokenId >= HIDE_FROM && tokenId <= HIDE_TO)
            return sampleTokenURI;

        string memory baseURI = baseTokenURI;

        return
            bytes(baseURI).length > 0
                ? string(abi.encodePacked(baseURI, tokenId.toString()))
                : "";
    }

    function mintCountOfWallet(address _wallet) public view returns (uint256) {
        return mintTokenCount[_wallet];
    }

    function ownerOf(
        uint256 tokenId
    ) public view virtual override(ERC721A, IERC721A) returns (address) {
        return super.ownerOf(tokenId);
    }

    function mint(
        uint256 _tokenAmount,
        uint256 _timestamp,
        bytes calldata _signature
    ) public payable saleIsOpen {
        uint256 total = totalToken();
        require(_tokenAmount <= LIMIT_PER_MINT, "MBB: Max limit per mint");
        require(total + _tokenAmount <= MAX_ELEMENTS, "MBB: Max limit");

        require(msg.value >= price(_tokenAmount), "MBB: Value below price");

        address wallet = _msgSender();

        address signerOwner = signatureWallet(
            wallet,
            _tokenAmount,
            _timestamp,
            _signature
        );
        require(signerOwner == signerAddress, "MBB: Not authorized to mint");

        require(_timestamp > lastCheckPoint[wallet], "MBB: Invalid timestamp");

        lastCheckPoint[wallet] = block.timestamp;
        mintTokenCount[wallet] += _tokenAmount;

        tokenIdTracker = tokenIdTracker + _tokenAmount;
        _safeMint(wallet, _tokenAmount);
    }

    function freeMint(
        uint256 _tokenAmount,
        uint256 _timestamp,
        bytes calldata _signature,
        NFTArrays calldata _nfts
    ) public freeMintIsOpen {
        uint256 total = totalToken();
        require(total + _tokenAmount <= MAX_ELEMENTS, "MBB: Max limit");

        address wallet = _msgSender();
        address signerOwner = signatureWalletForFreeMint(
            wallet,
            _tokenAmount,
            _timestamp,
            _nfts,
            _signature
        );

        require(signerOwner == signerAddress, "MBB: Not authorized to mint");
        require(_timestamp > lastCheckPoint[wallet], "MBB: Invalid timestamp");

        lastCheckPoint[wallet] = block.timestamp;
        mintTokenCount[wallet] += _tokenAmount;

        for (uint256 i = 0; i < _nfts.iconics.length; i++)
            nftsUsed.iconics.push(_nfts.iconics[i]);
        for (uint256 i = 0; i < _nfts.hunters.length; i++)
            nftsUsed.hunters.push(_nfts.hunters[i]);
        for (uint256 i = 0; i < _nfts.huntresses.length; i++)
            nftsUsed.huntresses.push(_nfts.huntresses[i]);
        for (uint256 i = 0; i < _nfts.secrets.length; i++)
            nftsUsed.secrets.push(_nfts.secrets[i]);

        tokenIdTracker = tokenIdTracker + _tokenAmount;
        _safeMint(wallet, _tokenAmount);
    }

    function signatureWalletForFreeMint(
        address wallet,
        uint256 _tokenAmount,
        uint256 _timestamp,
        NFTArrays calldata _nfts,
        bytes calldata _signature
    ) public pure returns (address) {
        return
            ECDSA.recover(
                keccak256(
                    abi.encode(
                        wallet,
                        _tokenAmount,
                        _timestamp,
                        _nfts.iconics,
                        _nfts.hunters,
                        _nfts.huntresses,
                        _nfts.secrets
                    )
                ),
                _signature
            );
    }

    function signatureWallet(
        address wallet,
        uint256 _tokenAmount,
        uint256 _timestamp,
        bytes calldata _signature
    ) public pure returns (address) {
        return
            ECDSA.recover(
                keccak256(abi.encode(wallet, _tokenAmount, _timestamp)),
                _signature
            );
    }

    function setCheckPoint(address _minter, uint256 _point) public onlyOwner {
        require(_minter != address(0), "MBB: Unknown address");
        lastCheckPoint[_minter] = _point;
    }

    function getCheckPoint(address _minter) external view returns (uint256) {
        return lastCheckPoint[_minter];
    }

    function price(uint256 _count) public view returns (uint256) {
        return PRICE.mul(_count);
    }

    function setPause(bool _pause) public onlyAdmin {
        PAUSE = _pause;
        emit PauseEvent(PAUSE);
    }

    function setPauseFree(bool _pause) public onlyAdmin {
        PAUSE_FREE = _pause;
    }

    function setPrice(uint256 _price) public onlyOwner {
        PRICE = _price;
        emit NewPriceEvent(PRICE);
    }

    function setMaxElement(uint256 _max) public onlyOwner {
        MAX_ELEMENTS = _max;
        emit NewMaxElement(MAX_ELEMENTS);
    }

    function setMetaReveal(
        bool _reveal,
        uint256 _from,
        uint256 _to
    ) public onlyAdmin {
        META_REVEAL = _reveal;
        HIDE_FROM = _from;
        HIDE_TO = _to;
    }

    function withdrawAll() public onlyAdmin {
        uint256 balance = address(this).balance;
        require(balance > 0);
        _widthdraw(creatorAddress, balance);
    }

    function _widthdraw(address _address, uint256 _amount) private {
        (bool success, ) = _address.call{value: _amount}("");
        require(success, "MBB: Transfer failed.");
    }

    function giftMint(
        address[] calldata _addrs,
        uint256[] calldata _tokenAmounts
    ) public onlyAdmin {
        uint256 totalQuantity = 0;
        uint256 total = totalToken();
        for (uint256 i = 0; i < _addrs.length; i++) {
            totalQuantity += _tokenAmounts[i];
        }
        require(total + totalQuantity <= MAX_ELEMENTS, "MBB: Max limit");

        for (uint256 i = 0; i < _addrs.length; i++) {
            tokenIdTracker = tokenIdTracker + _tokenAmounts[i];
            _safeMint(_addrs[i], _tokenAmounts[i]);
        }
    }

    function addAdminRole(address _address) external onlyOwner {
        admins[_address] = true;
    }

    function revokeAdminRole(address _address) external onlyOwner {
        admins[_address] = false;
    }

    function hasAdminRole(address _address) external view returns (bool) {
        return admins[_address];
    }

    function burn(uint256[] calldata tokenIds) external onlyAdmin {
        for (uint8 i = 0; i < tokenIds.length; i++) {
            _burn(tokenIds[i]);
        }
    }

    function updateSignerAddress(address _signer) public onlyOwner {
        signerAddress = _signer;
    }

    function updateLimitPerMint(uint256 _limitpermint) public onlyAdmin {
        LIMIT_PER_MINT = _limitpermint;
    }

    function _startTokenId()
        internal
        view
        virtual
        override(ERC721A)
        returns (uint256)
    {
        return 1;
    }

    function setApprovalForAll(
        address operator,
        bool approved
    ) public override(ERC721A, IERC721A) onlyAllowedOperatorApproval(operator) {
        super.setApprovalForAll(operator, approved);
    }

    function approve(
        address operator,
        uint256 tokenId
    ) public override(ERC721A, IERC721A) onlyAllowedOperatorApproval(operator) {
        super.approve(operator, tokenId);
    }

    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public override(ERC721A, IERC721A) onlyAllowedOperator(from) {
        super.transferFrom(from, to, tokenId);
    }

    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public override(ERC721A, IERC721A) onlyAllowedOperator(from) {
        super.safeTransferFrom(from, to, tokenId);
    }

    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory data
    ) public override(ERC721A, IERC721A) onlyAllowedOperator(from) {
        super.safeTransferFrom(from, to, tokenId, data);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (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. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling 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 v4.9.0) (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() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

    function _nonReentrantBefore() private {
        // On the first call to nonReentrant, _status will be _NOT_ENTERED
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

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

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

    /**
     * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
     * `nonReentrant` function in the call stack.
     */
    function _reentrancyGuardEntered() internal view returns (bool) {
        return _status == _ENTERED;
    }
}

// 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/Counters.sol)

pragma solidity ^0.8.0;

/**
 * @title Counters
 * @author Matt Condon (@shrugs)
 * @dev Provides counters that can only be incremented, decremented or reset. This can be used e.g. to track the number
 * of elements in a mapping, issuing ERC721 ids, or counting request ids.
 *
 * Include with `using Counters for Counters.Counter;`
 */
library Counters {
    struct Counter {
        // This variable should never be directly accessed by users of the library: interactions must be restricted to
        // the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add
        // this feature: see https://github.com/ethereum/solidity/issues/4637
        uint256 _value; // default: 0
    }

    function current(Counter storage counter) internal view returns (uint256) {
        return counter._value;
    }

    function increment(Counter storage counter) internal {
        unchecked {
            counter._value += 1;
        }
    }

    function decrement(Counter storage counter) internal {
        uint256 value = counter._value;
        require(value > 0, "Counter: decrement overflow");
        unchecked {
            counter._value = value - 1;
        }
    }

    function reset(Counter storage counter) internal {
        counter._value = 0;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (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 // Deprecated in v4.8
    }

    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");
        }
    }

    /**
     * @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 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 message) {
        // 32 is the length in bytes of hash,
        // enforced by the type signature above
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x00, "\x19Ethereum Signed Message:\n32")
            mstore(0x1c, hash)
            message := keccak256(0x00, 0x3c)
        }
    }

    /**
     * @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 data) {
        /// @solidity memory-safe-assembly
        assembly {
            let ptr := mload(0x40)
            mstore(ptr, "\x19\x01")
            mstore(add(ptr, 0x02), domainSeparator)
            mstore(add(ptr, 0x22), structHash)
            data := keccak256(ptr, 0x42)
        }
    }

    /**
     * @dev Returns an Ethereum Signed Data with intended validator, created from a
     * `validator` and `data` according to the version 0 of EIP-191.
     *
     * See {recover}.
     */
    function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19\x00", validator, data));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/math/Math.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    enum Rounding {
        Down, // Toward negative infinity
        Up, // Toward infinity
        Zero // Toward zero
    }

    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow.
        return (a & b) + (a ^ b) / 2;
    }

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds up instead
     * of rounding down.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

    /**
     * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
     * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
     * with further edits by Uniswap Labs also under MIT license.
     */
    function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {
        unchecked {
            // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
            // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
            // variables such that product = prod1 * 2^256 + prod0.
            uint256 prod0; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod0 := mul(x, y)
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                // Solidity will revert if denominator == 0, unlike the div opcode on its own.
                // The surrounding unchecked block does not change this fact.
                // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            require(denominator > prod1, "Math: mulDiv overflow");

            ///////////////////////////////////////////////
            // 512 by 256 division.
            ///////////////////////////////////////////////

            // Make division exact by subtracting the remainder from [prod1 prod0].
            uint256 remainder;
            assembly {
                // Compute remainder using mulmod.
                remainder := mulmod(x, y, denominator)

                // Subtract 256 bit number from 512 bit number.
                prod1 := sub(prod1, gt(remainder, prod0))
                prod0 := sub(prod0, remainder)
            }

            // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.
            // See https://cs.stackexchange.com/q/138556/92363.

            // Does not overflow because the denominator cannot be zero at this stage in the function.
            uint256 twos = denominator & (~denominator + 1);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

                // Divide [prod1 prod0] by twos.
                prod0 := div(prod0, twos)

                // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

            // Shift in bits from prod1 into prod0.
            prod0 |= prod1 * twos;

            // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
            // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv = 1 mod 2^4.
            uint256 inverse = (3 * denominator) ^ 2;

            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
            // in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2^8
            inverse *= 2 - denominator * inverse; // inverse mod 2^16
            inverse *= 2 - denominator * inverse; // inverse mod 2^32
            inverse *= 2 - denominator * inverse; // inverse mod 2^64
            inverse *= 2 - denominator * inverse; // inverse mod 2^128
            inverse *= 2 - denominator * inverse; // inverse mod 2^256

            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
            // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
            // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
            // is no longer required.
            result = prod0 * inverse;
            return result;
        }
    }

    /**
     * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {
        uint256 result = mulDiv(x, y, denominator);
        if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
            result += 1;
        }
        return result;
    }

    /**
     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
     *
     * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
        //
        // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
        // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
        //
        // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
        // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
        // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
        //
        // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
        uint256 result = 1 << (log2(a) >> 1);

        // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
        // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
        // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
        // into the expected uint128 result.
        unchecked {
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            return min(result, a / result);
        }
    }

    /**
     * @notice Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = sqrt(a);
            return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 2, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 128;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 64;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 32;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 16;
            }
            if (value >> 8 > 0) {
                value >>= 8;
                result += 8;
            }
            if (value >> 4 > 0) {
                value >>= 4;
                result += 4;
            }
            if (value >> 2 > 0) {
                value >>= 2;
                result += 2;
            }
            if (value >> 1 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 2, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log2(value);
            return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 10, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >= 10 ** 64) {
                value /= 10 ** 64;
                result += 64;
            }
            if (value >= 10 ** 32) {
                value /= 10 ** 32;
                result += 32;
            }
            if (value >= 10 ** 16) {
                value /= 10 ** 16;
                result += 16;
            }
            if (value >= 10 ** 8) {
                value /= 10 ** 8;
                result += 8;
            }
            if (value >= 10 ** 4) {
                value /= 10 ** 4;
                result += 4;
            }
            if (value >= 10 ** 2) {
                value /= 10 ** 2;
                result += 2;
            }
            if (value >= 10 ** 1) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log10(value);
            return result + (rounding == Rounding.Up && 10 ** result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 256, rounded down, of a positive value.
     * Returns 0 if given 0.
     *
     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
     */
    function log256(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 16;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 8;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 4;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 2;
            }
            if (value >> 8 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 256, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
            return result + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/math/SafeMath.sol)

pragma solidity ^0.8.0;

// CAUTION
// This version of SafeMath should only be used with Solidity 0.8 or later,
// because it relies on the compiler's built in overflow checks.

/**
 * @dev Wrappers over Solidity's arithmetic operations.
 *
 * NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
 * now has built in overflow checking.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
            // benefit is lost if 'b' is also tested.
            // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        return a + b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return a - b;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        return a * b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator.
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        unchecked {
            require(b <= a, errorMessage);
            return a - b;
        }
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a / b;
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a % b;
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SignedMath.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard signed math utilities missing in the Solidity language.
 */
library SignedMath {
    /**
     * @dev Returns the largest of two signed numbers.
     */
    function max(int256 a, int256 b) internal pure returns (int256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two signed numbers.
     */
    function min(int256 a, int256 b) internal pure returns (int256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two signed numbers without overflow.
     * The result is rounded towards zero.
     */
    function average(int256 a, int256 b) internal pure returns (int256) {
        // Formula from the book "Hacker's Delight"
        int256 x = (a & b) + ((a ^ b) >> 1);
        return x + (int256(uint256(x) >> 255) & (a ^ b));
    }

    /**
     * @dev Returns the absolute unsigned value of a signed value.
     */
    function abs(int256 n) internal pure returns (uint256) {
        unchecked {
            // must be unchecked in order to support `n = type(int256).min`
            return uint256(n >= 0 ? n : -n);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Strings.sol)

pragma solidity ^0.8.0;

import "./math/Math.sol";
import "./math/SignedMath.sol";

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _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) {
        unchecked {
            uint256 length = Math.log10(value) + 1;
            string memory buffer = new string(length);
            uint256 ptr;
            /// @solidity memory-safe-assembly
            assembly {
                ptr := add(buffer, add(32, length))
            }
            while (true) {
                ptr--;
                /// @solidity memory-safe-assembly
                assembly {
                    mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
                }
                value /= 10;
                if (value == 0) break;
            }
            return buffer;
        }
    }

    /**
     * @dev Converts a `int256` to its ASCII `string` decimal representation.
     */
    function toString(int256 value) internal pure returns (string memory) {
        return string(abi.encodePacked(value < 0 ? "-" : "", toString(SignedMath.abs(value))));
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        unchecked {
            return toHexString(value, Math.log256(value) + 1);
        }
    }

    /**
     * @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] = _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);
    }

    /**
     * @dev Returns true if the two strings are equal.
     */
    function equal(string memory a, string memory b) internal pure returns (bool) {
        return keccak256(bytes(a)) == keccak256(bytes(b));
    }
}

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

pragma solidity ^0.8.4;

import './IERC721A.sol';

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        return _tokenApprovals[tokenId].value;
    }

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom}
     * for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        if (operator == _msgSenderERC721A()) revert ApproveToCaller();

        _operatorApprovals[_msgSenderERC721A()][operator] = approved;
        emit ApprovalForAll(_msgSenderERC721A(), operator, approved);
    }

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

    /**
     * @dev Returns whether `tokenId` exists.
     *
     * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
     *
     * Tokens start existing when they are minted. See {_mint}.
     */
    function _exists(uint256 tokenId) internal view virtual returns (bool) {
        return
            _startTokenId() <= tokenId &&
            tokenId < _currentIndex && // If within bounds,
            _packedOwnerships[tokenId] & _BITMASK_BURNED == 0; // and not burned.
    }

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

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

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

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token
     * by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);

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

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

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

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

        _beforeTokenTransfers(from, to, tokenId, 1);

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

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

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

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

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

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

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token
     * by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement
     * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) public virtual override {
        transferFrom(from, to, tokenId);
        if (to.code.length != 0)
            if (!_checkContractOnERC721Received(from, to, tokenId, _data)) {
                revert TransferToNonERC721ReceiverImplementer();
            }
    }

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

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

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

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

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

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

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

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

            uint256 toMasked;
            uint256 end = startTokenId + quantity;

            // Use assembly to loop and emit the `Transfer` event for gas savings.
            assembly {
                // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean.
                toMasked := and(to, _BITMASK_ADDRESS)
                // Emit the `Transfer` event.
                log4(
                    0, // Start of data (0, since no data).
                    0, // End of data (0, since no data).
                    _TRANSFER_EVENT_SIGNATURE, // Signature.
                    0, // `address(0)`.
                    toMasked, // `to`.
                    startTokenId // `tokenId`.
                )

                for {
                    let tokenId := add(startTokenId, 1)
                } iszero(eq(tokenId, end)) {
                    tokenId := add(tokenId, 1)
                } {
                    // Emit the `Transfer` event. Similar to above.
                    log4(0, 0, _TRANSFER_EVENT_SIGNATURE, 0, toMasked, tokenId)
                }
            }
            if (toMasked == 0) revert MintToZeroAddress();

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

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

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

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

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

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

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

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

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

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

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

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

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

        address from = address(uint160(prevOwnershipPacked));

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    /**
     * @dev Converts a uint256 to its ASCII string decimal representation.
     */
    function _toString(uint256 value) internal pure virtual returns (string memory ptr) {
        assembly {
            // The maximum value of a uint256 contains 78 digits (1 byte per digit),
            // but we allocate 128 bytes to keep the free memory pointer 32-byte word aliged.
            // We will need 1 32-byte word to store the length,
            // and 3 32-byte words to store a maximum of 78 digits. Total: 32 + 3 * 32 = 128.
            ptr := add(mload(0x40), 128)
            // Update the free memory pointer to allocate.
            mstore(0x40, ptr)

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

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

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

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

pragma solidity ^0.8.4;

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

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

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

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

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

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

pragma solidity ^0.8.4;

import '../IERC721A.sol';

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

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

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

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

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

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

pragma solidity ^0.8.4;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

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

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

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

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

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`,
     * checking first that contract recipients are aware of the ERC721 protocol
     * to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be have been allowed to move
     * this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement
     * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes calldata data
    ) external;

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

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

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

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

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

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

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

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

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

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

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

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

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

import {OperatorFilterer} from "./OperatorFilterer.sol";
import {CANONICAL_CORI_SUBSCRIPTION} from "./lib/Constants.sol";
/**
 * @title  DefaultOperatorFilterer
 * @notice Inherits from OperatorFilterer and automatically subscribes to the default OpenSea subscription.
 * @dev    Please note that if your token contract does not provide an owner with EIP-173, it must provide
 *         administration methods on the contract itself to interact with the registry otherwise the subscription
 *         will be locked to the options set during construction.
 */

abstract contract DefaultOperatorFilterer is OperatorFilterer {
    /// @dev The constructor that is called when the contract is being deployed.
    constructor() OperatorFilterer(CANONICAL_CORI_SUBSCRIPTION, true) {}
}

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

interface IOperatorFilterRegistry {
    /**
     * @notice Returns true if operator is not filtered for a given token, either by address or codeHash. Also returns
     *         true if supplied registrant address is not registered.
     */
    function isOperatorAllowed(address registrant, address operator) external view returns (bool);

    /**
     * @notice Registers an address with the registry. May be called by address itself or by EIP-173 owner.
     */
    function register(address registrant) external;

    /**
     * @notice Registers an address with the registry and "subscribes" to another address's filtered operators and codeHashes.
     */
    function registerAndSubscribe(address registrant, address subscription) external;

    /**
     * @notice Registers an address with the registry and copies the filtered operators and codeHashes from another
     *         address without subscribing.
     */
    function registerAndCopyEntries(address registrant, address registrantToCopy) external;

    /**
     * @notice Unregisters an address with the registry and removes its subscription. May be called by address itself or by EIP-173 owner.
     *         Note that this does not remove any filtered addresses or codeHashes.
     *         Also note that any subscriptions to this registrant will still be active and follow the existing filtered addresses and codehashes.
     */
    function unregister(address addr) external;

    /**
     * @notice Update an operator address for a registered address - when filtered is true, the operator is filtered.
     */
    function updateOperator(address registrant, address operator, bool filtered) external;

    /**
     * @notice Update multiple operators for a registered address - when filtered is true, the operators will be filtered. Reverts on duplicates.
     */
    function updateOperators(address registrant, address[] calldata operators, bool filtered) external;

    /**
     * @notice Update a codeHash for a registered address - when filtered is true, the codeHash is filtered.
     */
    function updateCodeHash(address registrant, bytes32 codehash, bool filtered) external;

    /**
     * @notice Update multiple codeHashes for a registered address - when filtered is true, the codeHashes will be filtered. Reverts on duplicates.
     */
    function updateCodeHashes(address registrant, bytes32[] calldata codeHashes, bool filtered) external;

    /**
     * @notice Subscribe an address to another registrant's filtered operators and codeHashes. Will remove previous
     *         subscription if present.
     *         Note that accounts with subscriptions may go on to subscribe to other accounts - in this case,
     *         subscriptions will not be forwarded. Instead the former subscription's existing entries will still be
     *         used.
     */
    function subscribe(address registrant, address registrantToSubscribe) external;

    /**
     * @notice Unsubscribe an address from its current subscribed registrant, and optionally copy its filtered operators and codeHashes.
     */
    function unsubscribe(address registrant, bool copyExistingEntries) external;

    /**
     * @notice Get the subscription address of a given registrant, if any.
     */
    function subscriptionOf(address addr) external returns (address registrant);

    /**
     * @notice Get the set of addresses subscribed to a given registrant.
     *         Note that order is not guaranteed as updates are made.
     */
    function subscribers(address registrant) external returns (address[] memory);

    /**
     * @notice Get the subscriber at a given index in the set of addresses subscribed to a given registrant.
     *         Note that order is not guaranteed as updates are made.
     */
    function subscriberAt(address registrant, uint256 index) external returns (address);

    /**
     * @notice Copy filtered operators and codeHashes from a different registrantToCopy to addr.
     */
    function copyEntriesOf(address registrant, address registrantToCopy) external;

    /**
     * @notice Returns true if operator is filtered by a given address or its subscription.
     */
    function isOperatorFiltered(address registrant, address operator) external returns (bool);

    /**
     * @notice Returns true if the hash of an address's code is filtered by a given address or its subscription.
     */
    function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool);

    /**
     * @notice Returns true if a codeHash is filtered by a given address or its subscription.
     */
    function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool);

    /**
     * @notice Returns a list of filtered operators for a given address or its subscription.
     */
    function filteredOperators(address addr) external returns (address[] memory);

    /**
     * @notice Returns the set of filtered codeHashes for a given address or its subscription.
     *         Note that order is not guaranteed as updates are made.
     */
    function filteredCodeHashes(address addr) external returns (bytes32[] memory);

    /**
     * @notice Returns the filtered operator at the given index of the set of filtered operators for a given address or
     *         its subscription.
     *         Note that order is not guaranteed as updates are made.
     */
    function filteredOperatorAt(address registrant, uint256 index) external returns (address);

    /**
     * @notice Returns the filtered codeHash at the given index of the list of filtered codeHashes for a given address or
     *         its subscription.
     *         Note that order is not guaranteed as updates are made.
     */
    function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32);

    /**
     * @notice Returns true if an address has registered
     */
    function isRegistered(address addr) external returns (bool);

    /**
     * @dev Convenience method to compute the code hash of an arbitrary contract
     */
    function codeHashOf(address addr) external returns (bytes32);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;

address constant CANONICAL_OPERATOR_FILTER_REGISTRY_ADDRESS = 0x000000000000AAeB6D7670E522A718067333cd4E;
address constant CANONICAL_CORI_SUBSCRIPTION = 0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6;

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

import {IOperatorFilterRegistry} from "./IOperatorFilterRegistry.sol";
import {CANONICAL_OPERATOR_FILTER_REGISTRY_ADDRESS} from "./lib/Constants.sol";
/**
 * @title  OperatorFilterer
 * @notice Abstract contract whose constructor automatically registers and optionally subscribes to or copies another
 *         registrant's entries in the OperatorFilterRegistry.
 * @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.
 *         Please note that if your token contract does not provide an owner with EIP-173, it must provide
 *         administration methods on the contract itself to interact with the registry otherwise the subscription
 *         will be locked to the options set during construction.
 */

abstract contract OperatorFilterer {
    /// @dev Emitted when an operator is not allowed.
    error OperatorNotAllowed(address operator);

    IOperatorFilterRegistry public constant OPERATOR_FILTER_REGISTRY =
        IOperatorFilterRegistry(CANONICAL_OPERATOR_FILTER_REGISTRY_ADDRESS);

    /// @dev The constructor that is called when the contract is being deployed.
    constructor(address subscriptionOrRegistrantToCopy, bool subscribe) {
        // 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(OPERATOR_FILTER_REGISTRY).code.length > 0) {
            if (subscribe) {
                OPERATOR_FILTER_REGISTRY.registerAndSubscribe(address(this), subscriptionOrRegistrantToCopy);
            } else {
                if (subscriptionOrRegistrantToCopy != address(0)) {
                    OPERATOR_FILTER_REGISTRY.registerAndCopyEntries(address(this), subscriptionOrRegistrantToCopy);
                } else {
                    OPERATOR_FILTER_REGISTRY.register(address(this));
                }
            }
        }
    }

    /**
     * @dev A helper function to check if an operator is allowed.
     */
    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);
        }
        _;
    }

    /**
     * @dev A helper function to check if an operator approval is allowed.
     */
    modifier onlyAllowedOperatorApproval(address operator) virtual {
        _checkFilterOperator(operator);
        _;
    }

    /**
     * @dev A helper function to check if an operator is allowed.
     */
    function _checkFilterOperator(address operator) internal view virtual {
        // Check registry code length to facilitate testing in environments without a deployed registry.
        if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {
            // under normal circumstances, this function will revert rather than return false, but inheriting contracts
            // may specify their own OperatorFilterRegistry implementations, which may behave differently
            if (!OPERATOR_FILTER_REGISTRY.isOperatorAllowed(address(this), operator)) {
                revert OperatorNotAllowed(operator);
            }
        }
    }
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_singenr","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"ApproveToCaller","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"InvalidQueryRange","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[{"internalType":"address","name":"operator","type":"address"}],"name":"OperatorNotAllowed","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferToNonERC721ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"URIQueryForNonexistentToken","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"fromTokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"toTokenId","type":"uint256"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"ConsecutiveTransfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"max","type":"uint256"}],"name":"NewMaxElement","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"price","type":"uint256"}],"name":"NewPriceEvent","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":"bool","name":"pause","type":"bool"}],"name":"PauseEvent","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"HIDE_FROM","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"HIDE_TO","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"LIMIT_PER_MINT","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_ELEMENTS","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"META_REVEAL","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"OPERATOR_FILTER_REGISTRY","outputs":[{"internalType":"contract IOperatorFilterRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PRICE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"START_AT","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_address","type":"address"}],"name":"addAdminRole","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":[],"name":"baseTokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"creatorAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"explicitOwnershipOf","outputs":[{"components":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint64","name":"startTimestamp","type":"uint64"},{"internalType":"bool","name":"burned","type":"bool"},{"internalType":"uint24","name":"extraData","type":"uint24"}],"internalType":"struct IERC721A.TokenOwnership","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"explicitOwnershipsOf","outputs":[{"components":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint64","name":"startTimestamp","type":"uint64"},{"internalType":"bool","name":"burned","type":"bool"},{"internalType":"uint24","name":"extraData","type":"uint24"}],"internalType":"struct IERC721A.TokenOwnership[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenAmount","type":"uint256"},{"internalType":"uint256","name":"_timestamp","type":"uint256"},{"internalType":"bytes","name":"_signature","type":"bytes"},{"components":[{"internalType":"uint256[]","name":"iconics","type":"uint256[]"},{"internalType":"uint256[]","name":"hunters","type":"uint256[]"},{"internalType":"uint256[]","name":"huntresses","type":"uint256[]"},{"internalType":"uint256[]","name":"secrets","type":"uint256[]"}],"internalType":"struct MetaBountyBabies.NFTArrays","name":"_nfts","type":"tuple"}],"name":"freeMint","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":"_minter","type":"address"}],"name":"getCheckPoint","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"_addrs","type":"address[]"},{"internalType":"uint256[]","name":"_tokenAmounts","type":"uint256[]"}],"name":"giftMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_address","type":"address"}],"name":"hasAdminRole","outputs":[{"internalType":"bool","name":"","type":"bool"}],"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":[{"internalType":"uint256","name":"_tokenAmount","type":"uint256"},{"internalType":"uint256","name":"_timestamp","type":"uint256"},{"internalType":"bytes","name":"_signature","type":"bytes"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"_wallet","type":"address"}],"name":"mintCountOfWallet","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_count","type":"uint256"}],"name":"price","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_address","type":"address"}],"name":"revokeAdminRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"sampleTokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_baseURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_minter","type":"address"},{"internalType":"uint256","name":"_point","type":"uint256"}],"name":"setCheckPoint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_max","type":"uint256"}],"name":"setMaxElement","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_reveal","type":"bool"},{"internalType":"uint256","name":"_from","type":"uint256"},{"internalType":"uint256","name":"_to","type":"uint256"}],"name":"setMetaReveal","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_pause","type":"bool"}],"name":"setPause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_pause","type":"bool"}],"name":"setPauseFree","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_price","type":"uint256"}],"name":"setPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"sampleURI","type":"string"}],"name":"setSampleURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"wallet","type":"address"},{"internalType":"uint256","name":"_tokenAmount","type":"uint256"},{"internalType":"uint256","name":"_timestamp","type":"uint256"},{"internalType":"bytes","name":"_signature","type":"bytes"}],"name":"signatureWallet","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"wallet","type":"address"},{"internalType":"uint256","name":"_tokenAmount","type":"uint256"},{"internalType":"uint256","name":"_timestamp","type":"uint256"},{"components":[{"internalType":"uint256[]","name":"iconics","type":"uint256[]"},{"internalType":"uint256[]","name":"hunters","type":"uint256[]"},{"internalType":"uint256[]","name":"huntresses","type":"uint256[]"},{"internalType":"uint256[]","name":"secrets","type":"uint256[]"}],"internalType":"struct MetaBountyBabies.NFTArrays","name":"_nfts","type":"tuple"},{"internalType":"bytes","name":"_signature","type":"bytes"}],"name":"signatureWalletForFreeMint","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"pure","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":"totalHunterTokensUsed","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalHuntressTokensUsed","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalIconicTokensUsed","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSecretTokensUsed","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalToken","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":[{"internalType":"uint256","name":"_limitpermint","type":"uint256"}],"name":"updateLimitPerMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_signer","type":"address"}],"name":"updateSignerAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdrawAll","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

00000000000000000000000026260112a8506c11f88ca59a1aae44c626c51f08

-----Decoded View---------------
Arg [0] : _singenr (address): 0x26260112A8506C11f88ca59A1AAe44C626c51f08

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 00000000000000000000000026260112a8506c11f88ca59a1aae44c626c51f08