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 >=0.4.22 <0.9.0;

import "https://github.com/chiru-labs/ERC721A/blob/main/contracts/ERC721A.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol";

contract GrimWanderers is ERC721A, Ownable {
    bytes32 private _root;
    string private _metadataURI;
    
    bool public revealOpen;
    mapping(uint256 => bool) public revealed;
    uint256 public maxSupply = 3355;
    uint256 public price = 0.0033 ether;
    uint256 public maxPerWallet = 5;
    bool public open;

    constructor() ERC721A("GrimWanderers", "GRIMW") {}

    function mint(uint64 quantity_) external payable {
        require(msg.sender == tx.origin, "Nop");
        require(msg.value == price * quantity_, "Invalid price");
        require(open, "Closed");
        require(_totalMinted() + quantity_ <= maxSupply, "No supply left");
        require(_numberMinted(msg.sender) + quantity_ <= maxPerWallet + _getAux(msg.sender), "Reached maximum allowed per address");
        
        _mint(msg.sender, quantity_);
    }

    function claim(bytes32[] memory proof_, uint64 quantity_) external {
        require(_getAux(msg.sender) == 0, "Already claimed");
        require(_totalMinted() + quantity_ <= maxSupply, "No supply left");
        
        bytes32 leaf = keccak256(
            bytes.concat(keccak256(abi.encode(msg.sender, quantity_)))
        );

        require(MerkleProof.verify(proof_, _root, leaf), "Invalid proof");
        
        _setAux(msg.sender, quantity_);

        _mint(msg.sender, quantity_);
    }

    function tokenURI(uint256 id_)
        public
        view
        override
        returns (string memory)
    {
        if (!_exists(id_)) revert URIQueryForNonexistentToken();

        return bytes(_metadataURI).length != 0 ? string(abi.encodePacked(_metadataURI, _toString(id_), ".json")) : "";
    }

    function airdrop(address to_, uint256 quantity_) external onlyOwner {
        require(_totalMinted() + quantity_ <= maxSupply, "No supply left");

        _mint(to_, quantity_);
    }

    function batchAirdrop(address[] memory tos_, uint256[] memory quantities_) external onlyOwner {
        require(tos_.length == quantities_.length, "Not the same size");

        for (uint256 i; i < tos_.length; i++) {
            if (quantities_[i] == 0 || _totalMinted() + quantities_[i] > maxSupply) {
                break;
            }
            
            _mint(tos_[i], quantities_[i]);
        }
    }

    function toggleOpen() external onlyOwner {
        open = !open;
    }

    function toggleReveal() external onlyOwner {
        revealOpen = !revealOpen;
    }

    function setRoot(bytes32 root_) external onlyOwner {
        _root = root_;
    }

    function setPrice(uint256 price_) external onlyOwner {
        price = price_;
    }

    function setMaxSupply(uint256 maxSupply_) external onlyOwner {
        maxSupply = maxSupply_;
    }

    function setMaxPerWallet(uint256 maxPerWallet_) external onlyOwner {
        maxPerWallet = maxPerWallet_;
    }

    function setMetadataURI(string memory metadataURI_) external onlyOwner {
        _metadataURI = metadataURI_;
    }

    function reveal(uint256 id_) external {
        if (!_exists(id_)) revert URIQueryForNonexistentToken();
        
        if (!revealOpen) {
            revert("Reveal closed");
        }

        if (ownerOf(id_) != msg.sender) {
            revert("Incorrect owner");
        }

        revealed[id_] = true;
    }
    
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.2) (utils/cryptography/MerkleProof.sol)

pragma solidity ^0.8.0;

/**
 * @dev These functions deal with verification of Merkle Tree proofs.
 *
 * The tree and the proofs can be generated using our
 * https://github.com/OpenZeppelin/merkle-tree[JavaScript library].
 * You will find a quickstart guide in the readme.
 *
 * WARNING: You should avoid using leaf values that are 64 bytes long prior to
 * hashing, or use a hash function other than keccak256 for hashing leaves.
 * This is because the concatenation of a sorted pair of internal nodes in
 * the merkle tree could be reinterpreted as a leaf value.
 * OpenZeppelin's JavaScript library generates merkle trees that are safe
 * against this attack out of the box.
 */
library MerkleProof {
    /**
     * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
     * defined by `root`. For this, a `proof` must be provided, containing
     * sibling hashes on the branch from the leaf to the root of the tree. Each
     * pair of leaves and each pair of pre-images are assumed to be sorted.
     */
    function verify(bytes32[] memory proof, bytes32 root, bytes32 leaf) internal pure returns (bool) {
        return processProof(proof, leaf) == root;
    }

    /**
     * @dev Calldata version of {verify}
     *
     * _Available since v4.7._
     */
    function verifyCalldata(bytes32[] calldata proof, bytes32 root, bytes32 leaf) internal pure returns (bool) {
        return processProofCalldata(proof, leaf) == root;
    }

    /**
     * @dev Returns the rebuilt hash obtained by traversing a Merkle tree up
     * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt
     * hash matches the root of the tree. When processing the proof, the pairs
     * of leafs & pre-images are assumed to be sorted.
     *
     * _Available since v4.4._
     */
    function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) {
        bytes32 computedHash = leaf;
        for (uint256 i = 0; i < proof.length; i++) {
            computedHash = _hashPair(computedHash, proof[i]);
        }
        return computedHash;
    }

    /**
     * @dev Calldata version of {processProof}
     *
     * _Available since v4.7._
     */
    function processProofCalldata(bytes32[] calldata proof, bytes32 leaf) internal pure returns (bytes32) {
        bytes32 computedHash = leaf;
        for (uint256 i = 0; i < proof.length; i++) {
            computedHash = _hashPair(computedHash, proof[i]);
        }
        return computedHash;
    }

    /**
     * @dev Returns true if the `leaves` can be simultaneously proven to be a part of a merkle tree defined by
     * `root`, according to `proof` and `proofFlags` as described in {processMultiProof}.
     *
     * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
     *
     * _Available since v4.7._
     */
    function multiProofVerify(
        bytes32[] memory proof,
        bool[] memory proofFlags,
        bytes32 root,
        bytes32[] memory leaves
    ) internal pure returns (bool) {
        return processMultiProof(proof, proofFlags, leaves) == root;
    }

    /**
     * @dev Calldata version of {multiProofVerify}
     *
     * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
     *
     * _Available since v4.7._
     */
    function multiProofVerifyCalldata(
        bytes32[] calldata proof,
        bool[] calldata proofFlags,
        bytes32 root,
        bytes32[] memory leaves
    ) internal pure returns (bool) {
        return processMultiProofCalldata(proof, proofFlags, leaves) == root;
    }

    /**
     * @dev Returns the root of a tree reconstructed from `leaves` and sibling nodes in `proof`. The reconstruction
     * proceeds by incrementally reconstructing all inner nodes by combining a leaf/inner node with either another
     * leaf/inner node or a proof sibling node, depending on whether each `proofFlags` item is true or false
     * respectively.
     *
     * CAUTION: Not all merkle trees admit multiproofs. To use multiproofs, it is sufficient to ensure that: 1) the tree
     * is complete (but not necessarily perfect), 2) the leaves to be proven are in the opposite order they are in the
     * tree (i.e., as seen from right to left starting at the deepest layer and continuing at the next layer).
     *
     * _Available since v4.7._
     */
    function processMultiProof(
        bytes32[] memory proof,
        bool[] memory proofFlags,
        bytes32[] memory leaves
    ) internal pure returns (bytes32 merkleRoot) {
        // This function rebuilds the root hash by traversing the tree up from the leaves. The root is rebuilt by
        // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
        // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
        // the merkle tree.
        uint256 leavesLen = leaves.length;
        uint256 proofLen = proof.length;
        uint256 totalHashes = proofFlags.length;

        // Check proof validity.
        require(leavesLen + proofLen - 1 == totalHashes, "MerkleProof: invalid multiproof");

        // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
        // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
        bytes32[] memory hashes = new bytes32[](totalHashes);
        uint256 leafPos = 0;
        uint256 hashPos = 0;
        uint256 proofPos = 0;
        // At each step, we compute the next hash using two values:
        // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
        //   get the next hash.
        // - depending on the flag, either another value from the "main queue" (merging branches) or an element from the
        //   `proof` array.
        for (uint256 i = 0; i < totalHashes; i++) {
            bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
            bytes32 b = proofFlags[i]
                ? (leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++])
                : proof[proofPos++];
            hashes[i] = _hashPair(a, b);
        }

        if (totalHashes > 0) {
            require(proofPos == proofLen, "MerkleProof: invalid multiproof");
            unchecked {
                return hashes[totalHashes - 1];
            }
        } else if (leavesLen > 0) {
            return leaves[0];
        } else {
            return proof[0];
        }
    }

    /**
     * @dev Calldata version of {processMultiProof}.
     *
     * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
     *
     * _Available since v4.7._
     */
    function processMultiProofCalldata(
        bytes32[] calldata proof,
        bool[] calldata proofFlags,
        bytes32[] memory leaves
    ) internal pure returns (bytes32 merkleRoot) {
        // This function rebuilds the root hash by traversing the tree up from the leaves. The root is rebuilt by
        // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
        // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
        // the merkle tree.
        uint256 leavesLen = leaves.length;
        uint256 proofLen = proof.length;
        uint256 totalHashes = proofFlags.length;

        // Check proof validity.
        require(leavesLen + proofLen - 1 == totalHashes, "MerkleProof: invalid multiproof");

        // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
        // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
        bytes32[] memory hashes = new bytes32[](totalHashes);
        uint256 leafPos = 0;
        uint256 hashPos = 0;
        uint256 proofPos = 0;
        // At each step, we compute the next hash using two values:
        // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
        //   get the next hash.
        // - depending on the flag, either another value from the "main queue" (merging branches) or an element from the
        //   `proof` array.
        for (uint256 i = 0; i < totalHashes; i++) {
            bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
            bytes32 b = proofFlags[i]
                ? (leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++])
                : proof[proofPos++];
            hashes[i] = _hashPair(a, b);
        }

        if (totalHashes > 0) {
            require(proofPos == proofLen, "MerkleProof: invalid multiproof");
            unchecked {
                return hashes[totalHashes - 1];
            }
        } else if (leavesLen > 0) {
            return leaves[0];
        } else {
            return proof[0];
        }
    }

    function _hashPair(bytes32 a, bytes32 b) private pure returns (bytes32) {
        return a < b ? _efficientHash(a, b) : _efficientHash(b, a);
    }

    function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x00, a)
            mstore(0x20, b)
            value := keccak256(0x00, 0x40)
        }
    }
}

// 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
// ERC721A Contracts v4.2.3
// 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 {
    // Bypass for a `--via-ir` bug (https://github.com/chiru-labs/ERC721A/pull/364).
    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.selector);
        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.selector);

        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 Returns whether the ownership slot at `index` is initialized.
     * An uninitialized slot does not necessarily mean that the slot has no owner.
     */
    function _ownershipIsInitialized(uint256 index) internal view virtual returns (bool) {
        return _packedOwnerships[index] != 0;
    }

    /**
     * @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 packed) {
        if (_startTokenId() <= tokenId) {
            packed = _packedOwnerships[tokenId];
            // If the data at the starting slot does not exist, start the scan.
            if (packed == 0) {
                if (tokenId >= _currentIndex) _revert(OwnerQueryForNonexistentToken.selector);
                // 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, `tokenId` will not underflow.
                //
                // We can directly compare the packed value.
                // If the address is zero, packed will be zero.
                for (;;) {
                    unchecked {
                        packed = _packedOwnerships[--tokenId];
                    }
                    if (packed == 0) continue;
                    if (packed & _BITMASK_BURNED == 0) return packed;
                    // Otherwise, the token is burned, and we must revert.
                    // This handles the case of batch burned tokens, where only the burned bit
                    // of the starting slot is set, and remaining slots are left uninitialized.
                    _revert(OwnerQueryForNonexistentToken.selector);
                }
            }
            // Otherwise, the data exists and we can skip the scan.
            // This is possible because we have already achieved the target condition.
            // This saves 2143 gas on transfers of initialized tokens.
            // If the token is not burned, return `packed`. Otherwise, revert.
            if (packed & _BITMASK_BURNED == 0) return packed;
        }
        _revert(OwnerQueryForNonexistentToken.selector);
    }

    /**
     * @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. See {ERC721A-_approve}.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     */
    function approve(address to, uint256 tokenId) public payable virtual override {
        _approve(to, tokenId, true);
    }

    /**
     * @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.selector);

        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 {
        _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 result) {
        if (_startTokenId() <= tokenId) {
            if (tokenId < _currentIndex) {
                uint256 packed;
                while ((packed = _packedOwnerships[tokenId]) == 0) --tokenId;
                result = packed & _BITMASK_BURNED == 0;
            }
        }
    }

    /**
     * @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].value`.
        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 payable virtual override {
        uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);

        // Mask `from` to the lower 160 bits, in case the upper bits somehow aren't clean.
        from = address(uint160(uint256(uint160(from)) & _BITMASK_ADDRESS));

        if (address(uint160(prevOwnershipPacked)) != from) _revert(TransferFromIncorrectOwner.selector);

        (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.selector);

        _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;
                    }
                }
            }
        }

        // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean.
        uint256 toMasked = uint256(uint160(to)) & _BITMASK_ADDRESS;
        assembly {
            // 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.
                from, // `from`.
                toMasked, // `to`.
                tokenId // `tokenId`.
            )
        }
        if (toMasked == 0) _revert(TransferToZeroAddress.selector);

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

    /**
     * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public payable 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 payable virtual override {
        transferFrom(from, to, tokenId);
        if (to.code.length != 0)
            if (!_checkContractOnERC721Received(from, to, tokenId, _data)) {
                _revert(TransferToNonERC721ReceiverImplementer.selector);
            }
    }

    /**
     * @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.selector);
            }
            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.selector);

        _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:
            // - `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)
            );

            // Updates:
            // - `balance += quantity`.
            // - `numberMinted += quantity`.
            //
            // We can directly add to the `balance` and `numberMinted`.
            _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1);

            // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean.
            uint256 toMasked = uint256(uint160(to)) & _BITMASK_ADDRESS;

            if (toMasked == 0) _revert(MintToZeroAddress.selector);

            uint256 end = startTokenId + quantity;
            uint256 tokenId = startTokenId;

            do {
                assembly {
                    // 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`.
                        tokenId // `tokenId`.
                    )
                }
                // The `!=` check ensures that large values of `quantity`
                // that overflows uint256 will make the loop run out of gas.
            } while (++tokenId != end);

            _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.selector);
        if (quantity == 0) _revert(MintZeroQuantity.selector);
        if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT) _revert(MintERC2309QuantityExceedsLimit.selector);

        _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.selector);
                    }
                } while (index < end);
                // Reentrancy protection.
                if (_currentIndex != end) _revert(bytes4(0));
            }
        }
    }

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

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

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

    /**
     * @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:
     *
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function _approve(
        address to,
        uint256 tokenId,
        bool approvalCheck
    ) internal virtual {
        address owner = ownerOf(tokenId);

        if (approvalCheck && _msgSenderERC721A() != owner)
            if (!isApprovedForAll(owner, _msgSenderERC721A())) {
                _revert(ApprovalCallerNotOwnerNorApproved.selector);
            }

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

    // =============================================================
    //                        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.selector);
        }

        _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.selector);
        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 str) {
        assembly {
            // The maximum value of a uint256 contains 78 digits (1 byte per digit), but
            // we allocate 0xa0 bytes to keep the free memory pointer 32-byte word aligned.
            // We will need 1 word for the trailing zeros padding, 1 word for the length,
            // and 3 words for a maximum of 78 digits. Total: 5 * 0x20 = 0xa0.
            let m := add(mload(0x40), 0xa0)
            // Update the free memory pointer to allocate.
            mstore(0x40, m)
            // Assign the `str` to the end.
            str := sub(m, 0x20)
            // Zeroize the slot after the string.
            mstore(str, 0)

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

            // We write the string from rightmost digit to leftmost digit.
            // The following is essentially a do-while loop that also handles the zero case.
            // prettier-ignore
            for { let temp := value } 1 {} {
                str := sub(str, 1)
                // Write the character to the pointer.
                // The ASCII index of the '0' character is 48.
                mstore8(str, add(48, mod(temp, 10)))
                // Keep dividing `temp` until zero.
                temp := div(temp, 10)
                // prettier-ignore
                if iszero(temp) { break }
            }

            let length := sub(end, str)
            // Move the pointer 32 bytes leftwards to make room for the length.
            str := sub(str, 0x20)
            // Store the length.
            mstore(str, length)
        }
    }

    /**
     * @dev For more efficient reverts.
     */
    function _revert(bytes4 errorSelector) internal pure {
        assembly {
            mstore(0x00, errorSelector)
            revert(0x00, 0x04)
        }
    }
}

// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// 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();

    /**
     * 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 payable;

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

    /**
     * @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 payable;

    /**
     * @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 payable;

    /**
     * @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
// 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;
    }
}

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

• 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":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","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":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":"quantity_","type":"uint256"}],"name":"airdrop","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"tos_","type":"address[]"},{"internalType":"uint256[]","name":"quantities_","type":"uint256[]"}],"name":"batchAirdrop","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32[]","name":"proof_","type":"bytes32[]"},{"internalType":"uint64","name":"quantity_","type":"uint64"}],"name":"claim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"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":"uint64","name":"quantity_","type":"uint64"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"open","outputs":[{"internalType":"bool","name":"","type":"bool"}],"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":"price","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id_","type":"uint256"}],"name":"reveal","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"revealOpen","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"revealed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","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":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"maxPerWallet_","type":"uint256"}],"name":"setMaxPerWallet","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"maxSupply_","type":"uint256"}],"name":"setMaxSupply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"metadataURI_","type":"string"}],"name":"setMetadataURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"price_","type":"uint256"}],"name":"setPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"root_","type":"bytes32"}],"name":"setRoot","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":[],"name":"toggleOpen","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"toggleReveal","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id_","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":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

0x6080604052600436106101fc575f3560e01c80638ba4cc3c11610113578063c2ca0ac51161009d578063e268e4d31161006d578063e268e4d314610562578063e985e9c514610581578063f2fde38b146105a0578063fb9d09c8146105bf578063fcfff16f146105d2575f80fd5b8063c2ca0ac5146104f0578063c87b56dd1461050f578063d5abeb011461052e578063dab5f34014610543575f80fd5b8063a035b1fe116100e3578063a035b1fe14610476578063a22cb4651461048b578063a7b72294146104aa578063b816d087146104be578063b88d4fde146104dd575f80fd5b80638ba4cc3c146104075780638da5cb5b1461042657806391b7f5ed1461044357806395d89b4114610462575f80fd5b80635b8ad4291161019457806370a082311161016457806370a082311461037d578063715018a61461039c578063747ca2b6146103b0578063750521f5146103cf57806375793cc3146103ee575f80fd5b80635b8ad429146102fd57806361a2bc01146103115780636352211e1461033f5780636f8b44b01461035e575f80fd5b806318160ddd116101cf57806318160ddd146102a157806323b872dd146102c257806342842e0e146102d5578063453c2310146102e8575f80fd5b806301ffc9a71461020057806306fdde0314610234578063081812fc14610255578063095ea7b31461028c575b5f80fd5b34801561020b575f80fd5b5061021f61021a366004611541565b6105eb565b60405190151581526020015b60405180910390f35b34801561023f575f80fd5b5061024861063c565b60405161022b91906115a9565b348015610260575f80fd5b5061027461026f3660046115bb565b6106cc565b6040516001600160a01b03909116815260200161022b565b61029f61029a3660046115e8565b610705565b005b3480156102ac575f80fd5b506001545f54035b60405190815260200161022b565b61029f6102d0366004611610565b610715565b61029f6102e3366004611610565b61086f565b3480156102f3575f80fd5b506102b4600f5481565b348015610308575f80fd5b5061029f61088e565b34801561031c575f80fd5b5061021f61032b3660046115bb565b600c6020525f908152604090205460ff1681565b34801561034a575f80fd5b506102746103593660046115bb565b6108aa565b348015610369575f80fd5b5061029f6103783660046115bb565b6108b4565b348015610388575f80fd5b506102b4610397366004611649565b6108c1565b3480156103a7575f80fd5b5061029f610904565b3480156103bb575f80fd5b5061029f6103ca3660046116de565b610917565b3480156103da575f80fd5b5061029f6103e93660046117d4565b610a7c565b3480156103f9575f80fd5b50600b5461021f9060ff1681565b348015610412575f80fd5b5061029f6104213660046115e8565b610a90565b348015610431575f80fd5b506008546001600160a01b0316610274565b34801561044e575f80fd5b5061029f61045d3660046115bb565b610ad6565b34801561046d575f80fd5b50610248610ae3565b348015610481575f80fd5b506102b4600e5481565b348015610496575f80fd5b5061029f6104a5366004611818565b610af2565b3480156104b5575f80fd5b5061029f610b5d565b3480156104c9575f80fd5b5061029f6104d83660046118b4565b610b79565b61029f6104eb36600461196d565b610c76565b3480156104fb575f80fd5b5061029f61050a3660046115bb565b610cb7565b34801561051a575f80fd5b506102486105293660046115bb565b610d8b565b348015610539575f80fd5b506102b4600d5481565b34801561054e575f80fd5b5061029f61055d3660046115bb565b610e0d565b34801561056d575f80fd5b5061029f61057c3660046115bb565b610e1a565b34801561058c575f80fd5b5061021f61059b3660046119e3565b610e27565b3480156105ab575f80fd5b5061029f6105ba366004611649565b610e54565b61029f6105cd366004611a14565b610ecd565b3480156105dd575f80fd5b5060105461021f9060ff1681565b5f6301ffc9a760e01b6001600160e01b03198316148061061b57506380ac58cd60e01b6001600160e01b03198316145b806106365750635b5e139f60e01b6001600160e01b03198316145b92915050565b60606002805461064b90611a2d565b80601f016020809104026020016040519081016040528092919081815260200182805461067790611a2d565b80156106c25780601f10610699576101008083540402835291602001916106c2565b820191905f5260205f20905b8154815290600101906020018083116106a557829003601f168201915b5050505050905090565b5f6106d68261109a565b6106ea576106ea6333d1c03960e21b6110dc565b505f908152600660205260409020546001600160a01b031690565b610711828260016110e4565b5050565b5f61071f82611185565b6001600160a01b0394851694909150811684146107455761074562a1148160e81b6110dc565b5f8281526006602052604090208054338082146001600160a01b03881690911417610788576107748633610e27565b61078857610788632ce44b5f60e11b6110dc565b8015610792575f82555b6001600160a01b038681165f9081526005602052604080822080545f19019055918716808252919020805460010190554260a01b17600160e11b175f85815260046020526040812091909155600160e11b8416900361081e57600184015f81815260046020526040812054900361081c575f54811461081c575f8181526004602052604090208490555b505b6001600160a01b0385168481887fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef5f80a4805f0361086657610866633a954ecd60e21b6110dc565b50505050505050565b61088983838360405180602001604052805f815250610c76565b505050565b610896611215565b600b805460ff19811660ff90911615179055565b5f61063682611185565b6108bc611215565b600d55565b5f6001600160a01b0382166108e0576108e06323d3ad8160e21b6110dc565b506001600160a01b03165f908152600560205260409020546001600160401b031690565b61090c611215565b6109155f61126f565b565b335f9081526005602052604090205460c01c1561096d5760405162461bcd60e51b815260206004820152600f60248201526e105b1c9958591e4818db185a5b5959608a1b60448201526064015b60405180910390fd5b600d54816001600160401b03166109825f5490565b61098c9190611a79565b11156109aa5760405162461bcd60e51b815260040161096490611a8c565b604080513360208201526001600160401b038316918101919091525f9060600160408051601f1981840301815282825280516020918201209083015201604051602081830303815290604052805190602001209050610a0c83600954836112c0565b610a485760405162461bcd60e51b815260206004820152600d60248201526c24b73b30b634b210383937b7b360991b6044820152606401610964565b335f90815260056020526040902080546001600160c01b031660c084901b17905561088933836001600160401b03166112d5565b610a84611215565b600a6107118282611b01565b610a98611215565b600d5481610aa45f5490565b610aae9190611a79565b1115610acc5760405162461bcd60e51b815260040161096490611a8c565b61071182826112d5565b610ade611215565b600e55565b60606003805461064b90611a2d565b335f8181526007602090815260408083206001600160a01b03871680855290835292819020805460ff191686151590811790915590519081529192917f17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31910160405180910390a35050565b610b65611215565b6010805460ff19811660ff90911615179055565b610b81611215565b8051825114610bc65760405162461bcd60e51b81526020600482015260116024820152704e6f74207468652073616d652073697a6560781b6044820152606401610964565b5f5b825181101561088957818181518110610be357610be3611bbc565b60200260200101515f1480610c245750600d54828281518110610c0857610c08611bbc565b6020026020010151610c185f5490565b610c229190611a79565b115b61088957610c64838281518110610c3d57610c3d611bbc565b6020026020010151838381518110610c5757610c57611bbc565b60200260200101516112d5565b80610c6e81611bd0565b915050610bc8565b610c81848484610715565b6001600160a01b0383163b15610cb157610c9d8484848461138f565b610cb157610cb16368d2bf6b60e11b6110dc565b50505050565b610cc08161109a565b610cdd57604051630a14c4b560e41b815260040160405180910390fd5b600b5460ff16610d1f5760405162461bcd60e51b815260206004820152600d60248201526c14995d99585b0818db1bdcd959609a1b6044820152606401610964565b33610d29826108aa565b6001600160a01b031614610d715760405162461bcd60e51b815260206004820152600f60248201526e24b731b7b93932b1ba1037bbb732b960891b6044820152606401610964565b5f908152600c60205260409020805460ff19166001179055565b6060610d968261109a565b610db357604051630a14c4b560e41b815260040160405180910390fd5b600a8054610dc090611a2d565b90505f03610ddc5760405180602001604052805f815250610636565b600a610de78361146e565b604051602001610df8929190611be8565b60405160208183030381529060405292915050565b610e15611215565b600955565b610e22611215565b600f55565b6001600160a01b039182165f90815260076020908152604080832093909416825291909152205460ff1690565b610e5c611215565b6001600160a01b038116610ec15760405162461bcd60e51b815260206004820152602660248201527f4f776e61626c653a206e6577206f776e657220697320746865207a65726f206160448201526564647265737360d01b6064820152608401610964565b610eca8161126f565b50565b333214610f025760405162461bcd60e51b815260206004820152600360248201526204e6f760ec1b6044820152606401610964565b806001600160401b0316600e54610f199190611c7b565b3414610f575760405162461bcd60e51b815260206004820152600d60248201526c496e76616c696420707269636560981b6044820152606401610964565b60105460ff16610f925760405162461bcd60e51b815260206004820152600660248201526510db1bdcd95960d21b6044820152606401610964565b600d54816001600160401b0316610fa75f5490565b610fb19190611a79565b1115610fcf5760405162461bcd60e51b815260040161096490611a8c565b335f90815260056020526040902054600f54610fee9160c01c90611a79565b816001600160401b0316611023336001600160a01b03165f908152600560205260409081902054901c6001600160401b031690565b61102d9190611a79565b11156110875760405162461bcd60e51b815260206004820152602360248201527f52656163686564206d6178696d756d20616c6c6f77656420706572206164647260448201526265737360e81b6064820152608401610964565b610eca33826001600160401b03166112d5565b5f80548210156110d7575f5b505f82815260046020526040812054908190036110cd576110c683611c92565b92506110a6565b600160e01b161590505b919050565b805f5260045ffd5b5f6110ee836108aa565b90508180156111065750336001600160a01b03821614155b15611129576111158133610e27565b611129576111296367d9dca160e11b6110dc565b5f8381526006602052604080822080546001600160a01b0319166001600160a01b0388811691821790925591518693918516917f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b92591a450505050565b5f81815260046020526040812054908190036111f3575f5482106111b3576111b3636f96cda160e11b6110dc565b5b505f19015f8181526004602052604090205480156111b457600160e01b81165f036111de57919050565b6111ee636f96cda160e11b6110dc565b6111b4565b600160e01b81165f0361120557919050565b6110d7636f96cda160e11b6110dc565b6008546001600160a01b031633146109155760405162461bcd60e51b815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e65726044820152606401610964565b600880546001600160a01b038381166001600160a01b0319831681179093556040519116919082907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0905f90a35050565b5f826112cc85846114b1565b14949350505050565b5f8054908290036112f0576112f063b562e8dd60e01b6110dc565b5f8181526004602090815260408083206001600160a01b0387164260a01b6001881460e11b1781179091558084526005909252822080546801000000000000000186020190559081900361134d5761134d622e076360e81b6110dc565b818301825b80835f7fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef5f80a481816001019150810361135257505f5550505050565b604051630a85bd0160e11b81525f906001600160a01b0385169063150b7a02906113c3903390899088908890600401611ca7565b6020604051808303815f875af19250505080156113fd575060408051601f3d908101601f191682019092526113fa91810190611ce3565b60015b611450573d80801561142a576040519150601f19603f3d011682016040523d82523d5f602084013e61142f565b606091505b5080515f03611448576114486368d2bf6b60e11b6110dc565b805181602001fd5b6001600160e01b031916630a85bd0160e11b1490505b949350505050565b606060a06040510180604052602081039150505f815280825b600183039250600a81066030018353600a9004806114875750819003601f19909101908152919050565b5f81815b84518110156114f5576114e1828683815181106114d4576114d4611bbc565b60200260200101516114fd565b9150806114ed81611bd0565b9150506114b5565b509392505050565b5f818310611517575f828152602084905260409020611525565b5f8381526020839052604090205b9392505050565b6001600160e01b031981168114610eca575f80fd5b5f60208284031215611551575f80fd5b81356115258161152c565b5f5b8381101561157657818101518382015260200161155e565b50505f910152565b5f815180845261159581602086016020860161155c565b601f01601f19169290920160200192915050565b602081525f611525602083018461157e565b5f602082840312156115cb575f80fd5b5035919050565b80356001600160a01b03811681146110d7575f80fd5b5f80604083850312156115f9575f80fd5b611602836115d2565b946020939093013593505050565b5f805f60608486031215611622575f80fd5b61162b846115d2565b9250611639602085016115d2565b9150604084013590509250925092565b5f60208284031215611659575f80fd5b611525826115d2565b634e487b7160e01b5f52604160045260245ffd5b604051601f8201601f191681016001600160401b038111828210171561169e5761169e611662565b604052919050565b5f6001600160401b038211156116be576116be611662565b5060051b60200190565b80356001600160401b03811681146110d7575f80fd5b5f80604083850312156116ef575f80fd5b82356001600160401b03811115611704575f80fd5b8301601f81018513611714575f80fd5b80356020611729611724836116a6565b611676565b82815260059290921b83018101918181019088841115611747575f80fd5b938201935b838510156117655784358252938201939082019061174c565b955061177490508682016116c8565b93505050509250929050565b5f6001600160401b0383111561179857611798611662565b6117ab601f8401601f1916602001611676565b90508281528383830111156117be575f80fd5b828260208301375f602084830101529392505050565b5f602082840312156117e4575f80fd5b81356001600160401b038111156117f9575f80fd5b8201601f81018413611809575f80fd5b61146684823560208401611780565b5f8060408385031215611829575f80fd5b611832836115d2565b915060208301358015158114611846575f80fd5b809150509250929050565b5f82601f830112611860575f80fd5b81356020611870611724836116a6565b82815260059290921b8401810191818101908684111561188e575f80fd5b8286015b848110156118a95780358352918301918301611892565b509695505050505050565b5f80604083850312156118c5575f80fd5b82356001600160401b03808211156118db575f80fd5b818501915085601f8301126118ee575f80fd5b813560206118fe611724836116a6565b82815260059290921b8401810191818101908984111561191c575f80fd5b948201945b8386101561194157611932866115d2565b82529482019490820190611921565b96505086013592505080821115611956575f80fd5b5061196385828601611851565b9150509250929050565b5f805f8060808587031215611980575f80fd5b611989856115d2565b9350611997602086016115d2565b92506040850135915060608501356001600160401b038111156119b8575f80fd5b8501601f810187136119c8575f80fd5b6119d787823560208401611780565b91505092959194509250565b5f80604083850312156119f4575f80fd5b6119fd836115d2565b9150611a0b602084016115d2565b90509250929050565b5f60208284031215611a24575f80fd5b611525826116c8565b600181811c90821680611a4157607f821691505b602082108103611a5f57634e487b7160e01b5f52602260045260245ffd5b50919050565b634e487b7160e01b5f52601160045260245ffd5b8082018082111561063657610636611a65565b6020808252600e908201526d139bc81cdd5c1c1b1e481b19599d60921b604082015260600190565b601f821115610889575f81815260208120601f850160051c81016020861015611ada5750805b601f850160051c820191505b81811015611af957828155600101611ae6565b505050505050565b81516001600160401b03811115611b1a57611b1a611662565b611b2e81611b288454611a2d565b84611ab4565b602080601f831160018114611b61575f8415611b4a5750858301515b5f19600386901b1c1916600185901b178555611af9565b5f85815260208120601f198616915b82811015611b8f57888601518255948401946001909101908401611b70565b5085821015611bac57878501515f19600388901b60f8161c191681555b5050505050600190811b01905550565b634e487b7160e01b5f52603260045260245ffd5b5f60018201611be157611be1611a65565b5060010190565b5f808454611bf581611a2d565b60018281168015611c0d5760018114611c2257611c4e565b60ff1984168752821515830287019450611c4e565b885f526020805f205f5b85811015611c455781548a820152908401908201611c2c565b50505082870194505b505050508351611c6281836020880161155c565b64173539b7b760d91b9101908152600501949350505050565b808202811582820484141761063657610636611a65565b5f81611ca057611ca0611a65565b505f190190565b6001600160a01b03858116825284166020820152604081018390526080606082018190525f90611cd99083018461157e565b9695505050505050565b5f60208284031215611cf3575f80fd5b81516115258161152c56fea2646970667358221220b59e29b8c88a628c96bb081a6f14c7fb4b894e1622812ddc22b65555a40ba3e064736f6c63430008150033