Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

pragma solidity ^0.8.0;

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/Counters.sol";
import "@openzeppelin/contracts/utils/Strings.sol";
import "@openzeppelin/contracts/utils/math/SafeMath.sol";
import "erc721a/contracts/ERC721A.sol";

contract This69 is ERC721A, Ownable {
    using Strings for uint256;

    uint256 private _maxPerTx = 8;
    uint256 private _maxPerWallet = 24;
    uint256 private _maxSupply = 6969;
    uint256 private _earySupply = 5000;
    bool private _revealed = false;
    bool private _isStarted = false;
    string private _unrevealURI = "ipfs://bafybeieuoygsuitcadvee5nvfz6leq7wj57qydp52f4mb3ay2so3fdzbqe/unreveal.json";
    string private _baseURL = "";
    mapping(address => uint256) private _walletMintedAmount;

    constructor() ERC721A("This69", "69") {}

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

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

    function contractURI() public pure returns (string memory) {
        return "";
    }


    function mintedOfOwner(address owner) external view returns (uint256) {
        return _walletMintedAmount[owner];
    }


    function setRevealed(bool value) external onlyOwner  {
        _revealed = value;
    }

    
    function setUnrevealURI(string memory url) external onlyOwner  {
        _unrevealURI = url;
    }

    function setBaseUri(string memory url) external onlyOwner {
        _baseURL = url;
    }

    function setMaxPerTx(uint256 amount) external onlyOwner {
        require(amount < _maxPerTx, "value must be less");
        _maxPerTx = amount;
    }

    function maxPerTx() external view returns (uint256) {
        return _maxPerTx;
    }

    function setMaxPerWallet(uint256 amount) external onlyOwner {
        require(amount < _maxPerWallet, "value must be less");
        _maxPerWallet = amount;
    }

    function maxPerWallet() external view returns (uint256) {
        return _maxPerWallet;
    }

    function maxSupply() external view returns (uint256) {
        return _maxSupply;
    }


    function earySupply() external view returns (uint256) {
        return _earySupply;
    }

    function setEarlySupply(uint256 amount) external onlyOwner {
        _earySupply = amount;
    }

    function setStart(bool started) external onlyOwner {
        require(_isStarted != started, "no change");
        _isStarted = started;
    }

    function isStarted() external view returns (bool) {
        return _isStarted;
    }

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

    function devMint(address to, uint256 amount) external onlyOwner {
        require(_totalMinted() + amount <= _maxSupply, "Exceeds max supply");
        _safeMint(to, amount);
    }

    function truncateMaxSupply(uint256 newMaxSupply) external onlyOwner {
        require(_maxSupply > newMaxSupply, "new Supply must be less");
        _maxSupply = newMaxSupply;
    }



    function tokenURI(uint256 tokenId)
        public
        view
        override
        returns (string memory)
    {
        require(
            _exists(tokenId),
            "nonexistent token"
        );
        if(!_revealed) {
            return _unrevealURI;
        }
        return
            bytes(_baseURI()).length > 0
                ? string(
                    abi.encodePacked(_baseURI(), tokenId.toString(), ".json")
                )
                : "";
    }

    function mint(uint256 signature, uint256 amount) external payable {
        require(_isStarted, "not started");
		require(amount <= _maxPerTx, "Exceeds tx limit");
        require(_totalMinted() + amount <= _maxSupply, "Exceeds max supply");
        require(
            _walletMintedAmount[msg.sender] + amount <= _maxPerWallet,
            "Exceeds max per wallet"
        );
        signature -= 77777;
        require(
            signature <= block.timestamp && signature >= block.timestamp - 400,
            "Bad Signature!"
        );
        _walletMintedAmount[msg.sender] += amount;
        _safeMint(msg.sender, amount);
    }

    function mint(uint256 amount) external payable {
        require(_isStarted, "not started");
		require(amount <= _maxPerTx, "Exceed tx limits");
        require(
            _totalMinted() + amount <= _earySupply,
            "Exceeds early supply"
        );
        require(
            _walletMintedAmount[msg.sender] + amount <= _maxPerWallet,
            "Exceeds max per wallet"
        );
        _walletMintedAmount[msg.sender] += amount;
        _safeMint(msg.sender, amount);
    }
}

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.0;

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (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
// ERC721A Contracts v4.0.0
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import './IERC721A.sol';

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

/**
 * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
 * the Metadata extension. Built to optimize for lower gas during batch mints.
 *
 * Assumes serials are sequentially minted starting at _startTokenId() (defaults to 0, e.g. 0, 1, 2, 3..).
 *
 * Assumes that an owner cannot have more than 2**64 - 1 (max value of uint64) of supply.
 *
 * Assumes that the maximum token id cannot exceed 2**256 - 1 (max value of uint256).
 */
contract ERC721A is IERC721A {
    // 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 tokenId of the next token 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`
    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 => address) private _tokenApprovals;

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

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

    /**
     * @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 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 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 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 returns (uint256) {
        return _burnCounter;
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    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: 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.
    }

    /**
     * @dev See {IERC721-balanceOf}.
     */
    function balanceOf(address owner) public view 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 auxillary 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 auxillary data for `owner`. (e.g. number of whitelist mint slots used).
     * If there are multiple variables, please pack them into a uint64.
     */
    function _setAux(address owner, uint64 aux) internal {
        uint256 packed = _packedAddressData[owner];
        uint256 auxCasted;
        assembly { // Cast aux without masking.
            auxCasted := aux
        }
        packed = (packed & BITMASK_AUX_COMPLEMENT) | (auxCasted << BITPOS_AUX);
        _packedAddressData[owner] = packed;
    }

    /**
     * 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 ownership that has an address and is not burned
                        // before an ownership that does not have an address and is not burned.
                        // Hence, curr will not underflow.
                        //
                        // We can directly compare the packed value.
                        // If the address is zero, packed is zero.
                        while (packed == 0) {
                            packed = _packedOwnerships[--curr];
                        }
                        return packed;
                    }
                }
        }
        revert OwnerQueryForNonexistentToken();
    }

    /**
     * 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;
    }

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

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

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

    /**
     * @dev See {IERC721-ownerOf}.
     */
    function ownerOf(uint256 tokenId) public view override returns (address) {
        return address(uint160(_packedOwnershipOf(tokenId)));
    }

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

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

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

        string memory baseURI = _baseURI();
        return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, _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, can be overriden in child contracts.
     */
    function _baseURI() internal view virtual returns (string memory) {
        return '';
    }

    /**
     * @dev Casts the address to uint256 without masking.
     */
    function _addressToUint256(address value) private pure returns (uint256 result) {
        assembly {
            result := value
        }
    }

    /**
     * @dev Casts the boolean to uint256 without branching.
     */
    function _boolToUint256(bool value) private pure returns (uint256 result) {
        assembly {
            result := value
        }
    }

    /**
     * @dev See {IERC721-approve}.
     */
    function approve(address to, uint256 tokenId) public override {
        address owner = address(uint160(_packedOwnershipOf(tokenId)));
        if (to == owner) revert ApprovalToCurrentOwner();

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

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

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

        return _tokenApprovals[tokenId];
    }

    /**
     * @dev See {IERC721-setApprovalForAll}.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        if (operator == _msgSenderERC721A()) revert ApproveToCaller();

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

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

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

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

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) public virtual override {
        _transfer(from, to, tokenId);
        if (to.code.length != 0)
            if (!_checkContractOnERC721Received(from, to, tokenId, _data)) {
                revert TransferToNonERC721ReceiverImplementer();
            }
    }

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

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

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

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

        // Overflows are incredibly unrealistic.
        // balance or numberMinted overflow if current value of either + quantity > 1.8e19 (2**64) - 1
        // updatedIndex overflows if _currentIndex + quantity > 1.2e77 (2**256) - 1
        unchecked {
            // Updates:
            // - `balance += quantity`.
            // - `numberMinted += quantity`.
            //
            // We can directly add to the balance and number minted.
            _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] =
                _addressToUint256(to) |
                (block.timestamp << BITPOS_START_TIMESTAMP) |
                (_boolToUint256(quantity == 1) << BITPOS_NEXT_INITIALIZED);

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

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

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

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

        // Overflows are incredibly unrealistic.
        // balance or numberMinted overflow if current value of either + quantity > 1.8e19 (2**64) - 1
        // updatedIndex overflows if _currentIndex + quantity > 1.2e77 (2**256) - 1
        unchecked {
            // Updates:
            // - `balance += quantity`.
            // - `numberMinted += quantity`.
            //
            // We can directly add to the balance and number minted.
            _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] =
                _addressToUint256(to) |
                (block.timestamp << BITPOS_START_TIMESTAMP) |
                (_boolToUint256(quantity == 1) << BITPOS_NEXT_INITIALIZED);

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

            do {
                emit Transfer(address(0), to, updatedIndex++);
            } while (updatedIndex < end);

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

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

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

        bool isApprovedOrOwner = (_msgSenderERC721A() == from ||
            isApprovedForAll(from, _msgSenderERC721A()) ||
            getApproved(tokenId) == _msgSenderERC721A());

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

        _beforeTokenTransfers(from, to, tokenId, 1);

        // Clear approvals from the previous owner.
        delete _tokenApprovals[tokenId];

        // 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] =
                _addressToUint256(to) |
                (block.timestamp << BITPOS_START_TIMESTAMP) |
                BITMASK_NEXT_INITIALIZED;

            // 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 `_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));

        if (approvalCheck) {
            bool isApprovedOrOwner = (_msgSenderERC721A() == from ||
                isApprovedForAll(from, _msgSenderERC721A()) ||
                getApproved(tokenId) == _msgSenderERC721A());

            if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved();
        }

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

        // Clear approvals from the previous owner.
        delete _tokenApprovals[tokenId];

        // 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] =
                _addressToUint256(from) |
                (block.timestamp << BITPOS_START_TIMESTAMP) |
                BITMASK_BURNED | 
                BITMASK_NEXT_INITIALIZED;

            // 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++;
        }
    }

    /**
     * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target contract.
     *
     * @param from address representing the previous owner of the given token ID
     * @param to target address that will receive the tokens
     * @param tokenId uint256 ID of the token to be transferred
     * @param _data bytes optional data to send along with the call
     * @return bool whether the call correctly returned the expected magic value
     */
    function _checkContractOnERC721Received(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) private returns (bool) {
        try 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))
                }
            }
        }
    }

    /**
     * @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 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 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. 48 is the ASCII index of '0'.
                mstore8(ptr, add(48, mod(temp, 10)))
                temp := div(temp, 10)
            } temp { 
                // Keep dividing `temp` until zero.
                temp := div(temp, 10)
            } { // Body of the for loop.
                ptr := sub(ptr, 1)
                mstore8(ptr, add(48, mod(temp, 10)))
            }
            
            let length := sub(end, ptr)
            // Move the pointer 32 bytes leftwards to make room for the length.
            ptr := sub(ptr, 32)
            // Store the length.
            mstore(ptr, length)
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts 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
// ERC721A Contracts v4.0.0
// Creator: Chiru Labs

pragma solidity ^0.8.4;

/**
 * @dev Interface of an ERC721A compliant contract.
 */
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();

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

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

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

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

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

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

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

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

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

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

    struct TokenOwnership {
        // The address of the owner.
        address addr;
        // Keeps track of the start time of ownership with minimal overhead for tokenomics.
        uint64 startTimestamp;
        // Whether the token has been burned.
        bool burned;
    }

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

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

    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);

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

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

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

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

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

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

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

    // ==============================
    //        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);
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"ApprovalToCurrentOwner","type":"error"},{"inputs":[],"name":"ApproveToCaller","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferToNonERC721ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"URIQueryForNonexistentToken","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"contractURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"devMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"earySupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isStarted","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxPerTx","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxPerWallet","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"signature","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"mintedOfOwner","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":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"url","type":"string"}],"name":"setBaseUri","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"setEarlySupply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"setMaxPerTx","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"setMaxPerWallet","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"value","type":"bool"}],"name":"setRevealed","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"started","type":"bool"}],"name":"setStart","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"url","type":"string"}],"name":"setUnrevealURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newMaxSupply","type":"uint256"}],"name":"truncateMaxSupply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

0x60806040526004361061020f5760003560e01c80638da5cb5b11610118578063c87b56dd116100a0578063e268e4d31161006f578063e268e4d3146105e1578063e8a3d48514610601578063e985e9c514610622578063f2fde38b1461066b578063f968adbe1461068b57600080fd5b8063c87b56dd1461056c578063c8d0169e1461058c578063d5abeb01146105ac578063e0a80853146105c157600080fd5b8063a0bcfc7f116100e7578063a0bcfc7f146104b6578063a22cb465146104d6578063b1261f1c146104f6578063b88d4fde1461052c578063c6f6f2161461054c57600080fd5b80638da5cb5b1461045057806395d89b411461046e57806397bc411c14610483578063a0712d68146104a357600080fd5b806342842e0e1161019b578063627804af1161016a578063627804af146103bb5780636352211e146103db57806368e24327146103fb57806370a082311461041b578063715018a61461043b57600080fd5b806342842e0e14610354578063453c2310146103745780634c9d2bd114610389578063544736e61461039e57600080fd5b806318160ddd116101e257806318160ddd146102c55780631b2ef1ca146102ec5780631de50dbd146102ff57806323b872dd1461031f5780633ccfd60b1461033f57600080fd5b806301ffc9a71461021457806306fdde0314610249578063081812fc1461026b578063095ea7b3146102a3575b600080fd5b34801561022057600080fd5b5061023461022f366004611a5b565b6106a0565b60405190151581526020015b60405180910390f35b34801561025557600080fd5b5061025e6106f2565b6040516102409190611ad0565b34801561027757600080fd5b5061028b610286366004611ae3565b610784565b6040516001600160a01b039091168152602001610240565b3480156102af57600080fd5b506102c36102be366004611b18565b6107c8565b005b3480156102d157600080fd5b5060015460005403600019015b604051908152602001610240565b6102c36102fa366004611b42565b61089a565b34801561030b57600080fd5b506102c361031a366004611ae3565b610a86565b34801561032b57600080fd5b506102c361033a366004611b64565b610b06565b34801561034b57600080fd5b506102c3610b16565b34801561036057600080fd5b506102c361036f366004611b64565b610b98565b34801561038057600080fd5b50600a546102de565b34801561039557600080fd5b50600c546102de565b3480156103aa57600080fd5b50600d54610100900460ff16610234565b3480156103c757600080fd5b506102c36103d6366004611b18565b610bb3565b3480156103e757600080fd5b5061028b6103f6366004611ae3565b610c45565b34801561040757600080fd5b506102c3610416366004611bb0565b610c50565b34801561042757600080fd5b506102de610436366004611bcb565b610ce2565b34801561044757600080fd5b506102c3610d31565b34801561045c57600080fd5b506008546001600160a01b031661028b565b34801561047a57600080fd5b5061025e610d67565b34801561048f57600080fd5b506102c361049e366004611c72565b610d76565b6102c36104b1366004611ae3565b610db3565b3480156104c257600080fd5b506102c36104d1366004611c72565b610f31565b3480156104e257600080fd5b506102c36104f1366004611cbb565b610f6e565b34801561050257600080fd5b506102de610511366004611bcb565b6001600160a01b031660009081526010602052604090205490565b34801561053857600080fd5b506102c3610547366004611cee565b611003565b34801561055857600080fd5b506102c3610567366004611ae3565b61104d565b34801561057857600080fd5b5061025e610587366004611ae3565b6110c2565b34801561059857600080fd5b506102c36105a7366004611ae3565b611205565b3480156105b857600080fd5b50600b546102de565b3480156105cd57600080fd5b506102c36105dc366004611bb0565b611234565b3480156105ed57600080fd5b506102c36105fc366004611ae3565b611271565b34801561060d57600080fd5b5060408051602081019091526000815261025e565b34801561062e57600080fd5b5061023461063d366004611d6a565b6001600160a01b03918216600090815260076020908152604080832093909416825291909152205460ff1690565b34801561067757600080fd5b506102c3610686366004611bcb565b6112e6565b34801561069757600080fd5b506009546102de565b60006301ffc9a760e01b6001600160e01b0319831614806106d157506380ac58cd60e01b6001600160e01b03198316145b806106ec5750635b5e139f60e01b6001600160e01b03198316145b92915050565b60606002805461070190611d94565b80601f016020809104026020016040519081016040528092919081815260200182805461072d90611d94565b801561077a5780601f1061074f5761010080835404028352916020019161077a565b820191906000526020600020905b81548152906001019060200180831161075d57829003601f168201915b5050505050905090565b600061078f8261137e565b6107ac576040516333d1c03960e21b815260040160405180910390fd5b506000908152600660205260409020546001600160a01b031690565b60006107d3826113b3565b9050806001600160a01b0316836001600160a01b0316036108075760405163250fdee360e21b815260040160405180910390fd5b336001600160a01b0382161461083e57610821813361063d565b61083e576040516367d9dca160e11b815260040160405180910390fd5b60008281526006602052604080822080546001600160a01b0319166001600160a01b0387811691821790925591518593918516917f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b92591a4505050565b600d54610100900460ff166108e45760405162461bcd60e51b815260206004820152600b60248201526a1b9bdd081cdd185c9d195960aa1b60448201526064015b60405180910390fd5b6009548111156109295760405162461bcd60e51b815260206004820152601060248201526f115e18d959591cc81d1e081b1a5b5a5d60821b60448201526064016108db565b600b548161093a6000546000190190565b6109449190611de4565b11156109875760405162461bcd60e51b815260206004820152601260248201527145786365656473206d617820737570706c7960701b60448201526064016108db565b600a54336000908152601060205260409020546109a5908390611de4565b11156109ec5760405162461bcd60e51b8152602060048201526016602482015275115e18d959591cc81b585e081c195c881dd85b1b195d60521b60448201526064016108db565b6109f962012fd183611dfc565b9150428211158015610a165750610a1261019042611dfc565b8210155b610a535760405162461bcd60e51b815260206004820152600e60248201526d426164205369676e61747572652160901b60448201526064016108db565b3360009081526010602052604081208054839290610a72908490611de4565b90915550610a8290503382611429565b5050565b6008546001600160a01b03163314610ab05760405162461bcd60e51b81526004016108db90611e13565b80600b5411610b015760405162461bcd60e51b815260206004820152601760248201527f6e657720537570706c79206d757374206265206c65737300000000000000000060448201526064016108db565b600b55565b610b11838383611443565b505050565b6008546001600160a01b03163314610b405760405162461bcd60e51b81526004016108db90611e13565b604051600090339047908381818185875af1925050503d8060008114610b82576040519150601f19603f3d011682016040523d82523d6000602084013e610b87565b606091505b5050905080610b9557600080fd5b50565b610b1183838360405180602001604052806000815250611003565b6008546001600160a01b03163314610bdd5760405162461bcd60e51b81526004016108db90611e13565b600b5481610bee6000546000190190565b610bf89190611de4565b1115610c3b5760405162461bcd60e51b815260206004820152601260248201527145786365656473206d617820737570706c7960701b60448201526064016108db565b610a828282611429565b60006106ec826113b3565b6008546001600160a01b03163314610c7a5760405162461bcd60e51b81526004016108db90611e13565b801515600d60019054906101000a900460ff16151503610cc85760405162461bcd60e51b81526020600482015260096024820152686e6f206368616e676560b81b60448201526064016108db565b600d80549115156101000261ff0019909216919091179055565b60006001600160a01b038216610d0b576040516323d3ad8160e21b815260040160405180910390fd5b506001600160a01b031660009081526005602052604090205467ffffffffffffffff1690565b6008546001600160a01b03163314610d5b5760405162461bcd60e51b81526004016108db90611e13565b610d6560006115ea565b565b60606003805461070190611d94565b6008546001600160a01b03163314610da05760405162461bcd60e51b81526004016108db90611e13565b8051610a8290600e9060208401906119ac565b600d54610100900460ff16610df85760405162461bcd60e51b815260206004820152600b60248201526a1b9bdd081cdd185c9d195960aa1b60448201526064016108db565b600954811115610e3d5760405162461bcd60e51b815260206004820152601060248201526f457863656564207478206c696d69747360801b60448201526064016108db565b600c5481610e4e6000546000190190565b610e589190611de4565b1115610e9d5760405162461bcd60e51b815260206004820152601460248201527345786365656473206561726c7920737570706c7960601b60448201526064016108db565b600a5433600090815260106020526040902054610ebb908390611de4565b1115610f025760405162461bcd60e51b8152602060048201526016602482015275115e18d959591cc81b585e081c195c881dd85b1b195d60521b60448201526064016108db565b3360009081526010602052604081208054839290610f21908490611de4565b90915550610b9590503382611429565b6008546001600160a01b03163314610f5b5760405162461bcd60e51b81526004016108db90611e13565b8051610a8290600f9060208401906119ac565b336001600160a01b03831603610f975760405163b06307db60e01b815260040160405180910390fd5b3360008181526007602090815260408083206001600160a01b03871680855290835292819020805460ff191686151590811790915590519081529192917f17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31910160405180910390a35050565b61100e848484611443565b6001600160a01b0383163b156110475761102a8484848461163c565b611047576040516368d2bf6b60e11b815260040160405180910390fd5b50505050565b6008546001600160a01b031633146110775760405162461bcd60e51b81526004016108db90611e13565b60095481106110bd5760405162461bcd60e51b815260206004820152601260248201527176616c7565206d757374206265206c65737360701b60448201526064016108db565b600955565b60606110cd8261137e565b61110d5760405162461bcd60e51b81526020600482015260116024820152703737b732bc34b9ba32b73a103a37b5b2b760791b60448201526064016108db565b600d5460ff166111a957600e805461112490611d94565b80601f016020809104026020016040519081016040528092919081815260200182805461115090611d94565b801561119d5780601f106111725761010080835404028352916020019161119d565b820191906000526020600020905b81548152906001019060200180831161118057829003601f168201915b50505050509050919050565b60006111b3611728565b51116111ce57604051806020016040528060008152506106ec565b6111d6611728565b6111df83611737565b6040516020016111f0929190611e48565b60405160208183030381529060405292915050565b6008546001600160a01b0316331461122f5760405162461bcd60e51b81526004016108db90611e13565b600c55565b6008546001600160a01b0316331461125e5760405162461bcd60e51b81526004016108db90611e13565b600d805460ff1916911515919091179055565b6008546001600160a01b0316331461129b5760405162461bcd60e51b81526004016108db90611e13565b600a5481106112e15760405162461bcd60e51b815260206004820152601260248201527176616c7565206d757374206265206c65737360701b60448201526064016108db565b600a55565b6008546001600160a01b031633146113105760405162461bcd60e51b81526004016108db90611e13565b6001600160a01b0381166113755760405162461bcd60e51b815260206004820152602660248201527f4f776e61626c653a206e6577206f776e657220697320746865207a65726f206160448201526564647265737360d01b60648201526084016108db565b610b95816115ea565b600081600111158015611392575060005482105b80156106ec575050600090815260046020526040902054600160e01b161590565b60008180600111611410576000548110156114105760008181526004602052604081205490600160e01b8216900361140e575b806000036114075750600019016000818152600460205260409020546113e6565b9392505050565b505b604051636f96cda160e11b815260040160405180910390fd5b610a82828260405180602001604052806000815250611838565b600061144e826113b3565b9050836001600160a01b0316816001600160a01b0316146114815760405162a1148160e81b815260040160405180910390fd5b6000336001600160a01b038616148061149f575061149f853361063d565b806114ba5750336114af84610784565b6001600160a01b0316145b9050806114da57604051632ce44b5f60e11b815260040160405180910390fd5b6001600160a01b03841661150157604051633a954ecd60e21b815260040160405180910390fd5b600083815260066020908152604080832080546001600160a01b03191690556001600160a01b038881168452600583528184208054600019019055871683528083208054600101905585835260049091528120600160e11b4260a01b87178117909155831690036115a2576001830160008181526004602052604081205490036115a05760005481146115a05760008181526004602052604090208390555b505b82846001600160a01b0316866001600160a01b03167fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef60405160405180910390a45050505050565b600880546001600160a01b038381166001600160a01b0319831681179093556040519116919082907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e090600090a35050565b604051630a85bd0160e11b81526000906001600160a01b0385169063150b7a0290611671903390899088908890600401611e87565b6020604051808303816000875af19250505080156116ac575060408051601f3d908101601f191682019092526116a991810190611ec4565b60015b61170a573d8080156116da576040519150601f19603f3d011682016040523d82523d6000602084013e6116df565b606091505b508051600003611702576040516368d2bf6b60e11b815260040160405180910390fd5b805181602001fd5b6001600160e01b031916630a85bd0160e11b1490505b949350505050565b6060600f805461070190611d94565b60608160000361175e5750506040805180820190915260018152600360fc1b602082015290565b8160005b8115611788578061177281611ee1565b91506117819050600a83611f10565b9150611762565b60008167ffffffffffffffff8111156117a3576117a3611be6565b6040519080825280601f01601f1916602001820160405280156117cd576020820181803683370190505b5090505b8415611720576117e2600183611dfc565b91506117ef600a86611f24565b6117fa906030611de4565b60f81b81838151811061180f5761180f611f38565b60200101906001600160f81b031916908160001a905350611831600a86611f10565b94506117d1565b6000546001600160a01b03841661186157604051622e076360e81b815260040160405180910390fd5b826000036118825760405163b562e8dd60e01b815260040160405180910390fd5b6001600160a01b03841660008181526005602090815260408083208054680100000000000000018902019055848352600490915290204260a01b86176001861460e11b1790558190818501903b15611957575b60405182906001600160a01b038816906000907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef908290a4611920600087848060010195508761163c565b61193d576040516368d2bf6b60e11b815260040160405180910390fd5b8082106118d557826000541461195257600080fd5b61199c565b5b6040516001830192906001600160a01b038816906000907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef908290a4808210611958575b5060009081556110479085838684565b8280546119b890611d94565b90600052602060002090601f0160209004810192826119da5760008555611a20565b82601f106119f357805160ff1916838001178555611a20565b82800160010185558215611a20579182015b82811115611a20578251825591602001919060010190611a05565b50611a2c929150611a30565b5090565b5b80821115611a2c5760008155600101611a31565b6001600160e01b031981168114610b9557600080fd5b600060208284031215611a6d57600080fd5b813561140781611a45565b60005b83811015611a93578181015183820152602001611a7b565b838111156110475750506000910152565b60008151808452611abc816020860160208601611a78565b601f01601f19169290920160200192915050565b6020815260006114076020830184611aa4565b600060208284031215611af557600080fd5b5035919050565b80356001600160a01b0381168114611b1357600080fd5b919050565b60008060408385031215611b2b57600080fd5b611b3483611afc565b946020939093013593505050565b60008060408385031215611b5557600080fd5b50508035926020909101359150565b600080600060608486031215611b7957600080fd5b611b8284611afc565b9250611b9060208501611afc565b9150604084013590509250925092565b80358015158114611b1357600080fd5b600060208284031215611bc257600080fd5b61140782611ba0565b600060208284031215611bdd57600080fd5b61140782611afc565b634e487b7160e01b600052604160045260246000fd5b600067ffffffffffffffff80841115611c1757611c17611be6565b604051601f8501601f19908116603f01168101908282118183101715611c3f57611c3f611be6565b81604052809350858152868686011115611c5857600080fd5b858560208301376000602087830101525050509392505050565b600060208284031215611c8457600080fd5b813567ffffffffffffffff811115611c9b57600080fd5b8201601f81018413611cac57600080fd5b61172084823560208401611bfc565b60008060408385031215611cce57600080fd5b611cd783611afc565b9150611ce560208401611ba0565b90509250929050565b60008060008060808587031215611d0457600080fd5b611d0d85611afc565b9350611d1b60208601611afc565b925060408501359150606085013567ffffffffffffffff811115611d3e57600080fd5b8501601f81018713611d4f57600080fd5b611d5e87823560208401611bfc565b91505092959194509250565b60008060408385031215611d7d57600080fd5b611d8683611afc565b9150611ce560208401611afc565b600181811c90821680611da857607f821691505b602082108103611dc857634e487b7160e01b600052602260045260246000fd5b50919050565b634e487b7160e01b600052601160045260246000fd5b60008219821115611df757611df7611dce565b500190565b600082821015611e0e57611e0e611dce565b500390565b6020808252818101527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572604082015260600190565b60008351611e5a818460208801611a78565b835190830190611e6e818360208801611a78565b64173539b7b760d91b9101908152600501949350505050565b6001600160a01b0385811682528416602082015260408101839052608060608201819052600090611eba90830184611aa4565b9695505050505050565b600060208284031215611ed657600080fd5b815161140781611a45565b600060018201611ef357611ef3611dce565b5060010190565b634e487b7160e01b600052601260045260246000fd5b600082611f1f57611f1f611efa565b500490565b600082611f3357611f33611efa565b500690565b634e487b7160e01b600052603260045260246000fdfea2646970667358221220c75cfc0055a2c69ab64c5322a1ea36348cafef556ff74fda266a054465b7d35a64736f6c634300080e0033