Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.18;

// 𝗨𝗡𝗟𝗢𝗖𝗞 𝗧𝗛𝗘 𝗣𝗢𝗪𝗘𝗥 𝗢𝗙 𝗣𝗜𝗫𝗘𝗟𝗦 
// ¶¶¶¶¶``¶¶`````¶¶``¶¶`¶¶¶¶¶``¶¶¶¶¶``¶¶¶¶¶¶`¶¶``¶¶
// ¶¶``¶¶`¶¶`````¶¶``¶¶`¶¶`````¶¶``¶¶```¶¶````¶¶¶¶
// ¶¶¶¶¶``¶¶`````¶¶``¶¶`¶¶¶¶```¶¶¶¶¶````¶¶`````¶¶
// ¶¶``¶¶`¶¶`````¶¶``¶¶`¶¶`````¶¶```````¶¶````¶¶¶¶
// ¶¶¶¶¶``¶¶¶¶¶¶``¶¶¶¶``¶¶¶¶¶``¶¶`````¶¶¶¶¶¶`¶¶``¶¶


import "erc721a/contracts/ERC721A.sol";
import "@openzeppelin/contracts/token/common/ERC2981.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@openzeppelin/contracts/utils/math/SafeMath.sol";
import "@openzeppelin/contracts/utils/Strings.sol";
import {OperatorFilterer} from "closedsea/src/OperatorFilterer.sol";

contract BLUEPIX is ERC2981, ERC721A, OperatorFilterer, Ownable, ReentrancyGuard {

    using SafeMath for uint256;

    string public contractURI;

    uint256 public maxSupply = 4444;
    uint256 public maxWhitelistMintsPerWallet = 3;
    uint256 public maxMintsPerWallet = 5;

    bool public isMetaDataFrozen = false;

    bool public operatorFilteringEnabled = true;

    string public ghostTokenURI;
    string public baseTokenURI = "";

    uint256 public whitelistMintPrice = 0.004444 ether;
    uint256 public publicMintPrice = 0.008888 ether;

    uint256 public whitelistMintTime = 1698073200;
    uint256 public whitelistMintEndTime = 1698080400;
    uint256 public startTime = 1698080400;
    uint256 public endTime = 1698246000;
    uint256 public revealTime = 1698246000;

    mapping(address => uint256) public mintedPerAddress;

    string private _name = "BLUEPIX";
    string private _symbol = "BLUE";
    bytes32[] private _whitelistMerkleForest;

    modifier notFrozenMetaData {
        require(
            !isMetaDataFrozen,
            "metadata frozen"
        );
        _;
    }

    modifier canMint {
        require(
            block.timestamp >= startTime && block.timestamp <= endTime,
            "Minting is not active"
        );
        _;
    }

    modifier canWhitelistMint {
        require(
            block.timestamp >= whitelistMintTime && block.timestamp <= whitelistMintEndTime,
            "WhiteList Minting is not active"
        );
        _;
    }

    constructor(string memory _ghostTokenURI) ERC721A(_name, _symbol) {
        ghostTokenURI = _ghostTokenURI;
        
        _registerForOperatorFiltering();
        operatorFilteringEnabled = true;
    }

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

    function whitelistMint(uint32 merkleTreeIndex, bytes32[] memory merkleProof, uint256 mintCount) public payable canWhitelistMint {
        uint256 paidCount = mintCount;
        if (mintedPerAddress[msg.sender] == 0) {
            paidCount = mintCount - 1;
        }
        bytes32 leaf = keccak256(abi.encodePacked(msg.sender));
        require(MerkleProof.verify(merkleProof, _whitelistMerkleForest[merkleTreeIndex], leaf), "Not WL");
        require(msg.value == (paidCount * whitelistMintPrice), "Wrong price");
        require(mintedPerAddress[msg.sender] + mintCount <= maxWhitelistMintsPerWallet, "WL Wallet Max");
        require(mintCount > 0 && mintCount <= 5, "Wrong amount");

        buyAmount(mintCount);
        mintedPerAddress[msg.sender] += mintCount;
    }

    function publicMint(uint256 mintCount) external payable canMint {
        uint256 paidCount = mintCount;
        if (mintedPerAddress[msg.sender] == 0) {
            paidCount = mintCount - 1;
        }
        require(msg.value == (paidCount * publicMintPrice), "Wrong amount");
        require(mintCount > 0 && mintCount <= 10, "Wrong amount");
        require(mintedPerAddress[msg.sender] + mintCount <= maxMintsPerWallet, "Wallet Max");

        buyAmount(mintCount);
        mintedPerAddress[msg.sender] += mintCount;
    }

    function buyAmount(uint256 count) private {
        require(totalSupply() + count <= maxSupply, "Max Public Supply");
        _safeMint(_msgSender(), count);
    }

    function mintMany(uint256 num, address _to) public onlyOwner {
        require(num <= 20, "Max 20 Per TX.");
        require(totalSupply() + num < maxSupply, "Max Supply");
        _safeMint(_to, num);
    }

    function mintTo(address _to) public onlyOwner {
        require(totalSupply() < maxSupply, "Max Supply");
        _safeMint(_to, 1);
    }

    // withdraw function for the contract owner
    function withdraw() external nonReentrant onlyOwner {
        payable(owner()).transfer(address(this).balance);
    }

    function setRevealTime(uint256 time) external onlyOwner {
        revealTime = time;
    }

    function setWhitelistMintTime(uint256 _startTime, uint256 _endTime) external onlyOwner {
        whitelistMintTime = _startTime;
        whitelistMintEndTime = _endTime;
    }

    function setMintTime(uint256 _startTime, uint256 _endTime) external onlyOwner {
        startTime = _startTime;
        endTime = _endTime;
    }

    function setMintPrices(uint256 newWhitelistMintPrice, uint256 newPublicMintPrice)  external nonReentrant onlyOwner {
        whitelistMintPrice = newWhitelistMintPrice;
        publicMintPrice = newPublicMintPrice;
    }

    function setBaseUri(string memory _uri) external onlyOwner notFrozenMetaData {
        baseTokenURI = _uri;
    }

    function setGhostUri(string memory _uri) external onlyOwner notFrozenMetaData {
        ghostTokenURI = _uri;
    }

    function setContractUri(string memory uri) external onlyOwner {
        contractURI = uri;
    }

    function plantMerkleForest(bytes32[] memory merkleForest) external onlyOwner {
        _whitelistMerkleForest = merkleForest;
    }

    function plantMerkleTree(bytes32 merkleTree) external onlyOwner {
        _whitelistMerkleForest.push(merkleTree);
    }

    // in case the contract is not fully minted out have the ability to cut the supply
    function shrinkSupply(uint256 newMaxSupply) external nonReentrant onlyOwner {
        require(totalSupply() <= newMaxSupply, "ERR: minted > new!");
        require(newMaxSupply <= maxSupply, "ERR: cant increase max supply");
        maxSupply = newMaxSupply;
    }

    function freezeMetaData() public onlyOwner {
        require(block.timestamp > revealTime, "Freeze after reveal");
        isMetaDataFrozen = true;
    }

    function tokenURI(uint256 _tokenId)
        public
        view
        override
        returns (string memory)
    {
        if (block.timestamp < revealTime) {
            return string(abi.encodePacked(ghostTokenURI));
        }
        return
            string(
                abi.encodePacked(
                    baseTokenURI,
                    Strings.toString(_tokenId),
                    ".json"
                )
            );
    }

    // ---------------------------------------------------
    // OperatorFilterer overrides (overrides, values etc.)
    // ---------------------------------------------------
    function setApprovalForAll(address operator, bool approved)
        public
        override
        onlyAllowedOperatorApproval(operator)
    {
        super.setApprovalForAll(operator, approved);
    }

    function setOperatorFilteringEnabled(bool value) public onlyOwner {
        operatorFilteringEnabled = value;
    }

    function _operatorFilteringEnabled() internal view override returns (bool) {
        return operatorFilteringEnabled;
    }

    // ----------------------------------------------
    // EIP-165
    // ----------------------------------------------
    function supportsInterface(bytes4 interfaceId)
        public
        view
        override(ERC721A, ERC2981)
        returns (bool)
    {
        return
            ERC721A.supportsInterface(interfaceId) ||
            ERC2981.supportsInterface(interfaceId);
    }

    function _isPriorityOperator(address operator) internal pure override returns (bool) {
        // OpenSea Seaport Conduit:
        // https://etherscan.io/address/0x1E0049783F008A0085193E00003D00cd54003c71
        // https://goerli.etherscan.io/address/0x1E0049783F008A0085193E00003D00cd54003c71
        return operator == address(0x1E0049783F008A0085193E00003D00cd54003c71);
    }
}

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

pragma solidity ^0.8.0;

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

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

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

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

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

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

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC2981.sol)

pragma solidity ^0.8.0;

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

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

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

pragma solidity ^0.8.0;

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

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

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/common/ERC2981.sol)

pragma solidity ^0.8.0;

import "../../interfaces/IERC2981.sol";
import "../../utils/introspection/ERC165.sol";

/**
 * @dev Implementation of the NFT Royalty Standard, a standardized way to retrieve royalty payment information.
 *
 * Royalty information can be specified globally for all token ids via {_setDefaultRoyalty}, and/or individually for
 * specific token ids via {_setTokenRoyalty}. The latter takes precedence over the first.
 *
 * Royalty is specified as a fraction of sale price. {_feeDenominator} is overridable but defaults to 10000, meaning the
 * fee is specified in basis points by default.
 *
 * IMPORTANT: ERC-2981 only specifies a way to signal royalty information and does not enforce its payment. See
 * https://eips.ethereum.org/EIPS/eip-2981#optional-royalty-payments[Rationale] in the EIP. Marketplaces are expected to
 * voluntarily pay royalties together with sales, but note that this standard is not yet widely supported.
 *
 * _Available since v4.5._
 */
abstract contract ERC2981 is IERC2981, ERC165 {
    struct RoyaltyInfo {
        address receiver;
        uint96 royaltyFraction;
    }

    RoyaltyInfo private _defaultRoyaltyInfo;
    mapping(uint256 => RoyaltyInfo) private _tokenRoyaltyInfo;

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC165) returns (bool) {
        return interfaceId == type(IERC2981).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @inheritdoc IERC2981
     */
    function royaltyInfo(uint256 tokenId, uint256 salePrice) public view virtual override returns (address, uint256) {
        RoyaltyInfo memory royalty = _tokenRoyaltyInfo[tokenId];

        if (royalty.receiver == address(0)) {
            royalty = _defaultRoyaltyInfo;
        }

        uint256 royaltyAmount = (salePrice * royalty.royaltyFraction) / _feeDenominator();

        return (royalty.receiver, royaltyAmount);
    }

    /**
     * @dev The denominator with which to interpret the fee set in {_setTokenRoyalty} and {_setDefaultRoyalty} as a
     * fraction of the sale price. Defaults to 10000 so fees are expressed in basis points, but may be customized by an
     * override.
     */
    function _feeDenominator() internal pure virtual returns (uint96) {
        return 10000;
    }

    /**
     * @dev Sets the royalty information that all ids in this contract will default to.
     *
     * Requirements:
     *
     * - `receiver` cannot be the zero address.
     * - `feeNumerator` cannot be greater than the fee denominator.
     */
    function _setDefaultRoyalty(address receiver, uint96 feeNumerator) internal virtual {
        require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice");
        require(receiver != address(0), "ERC2981: invalid receiver");

        _defaultRoyaltyInfo = RoyaltyInfo(receiver, feeNumerator);
    }

    /**
     * @dev Removes default royalty information.
     */
    function _deleteDefaultRoyalty() internal virtual {
        delete _defaultRoyaltyInfo;
    }

    /**
     * @dev Sets the royalty information for a specific token id, overriding the global default.
     *
     * Requirements:
     *
     * - `receiver` cannot be the zero address.
     * - `feeNumerator` cannot be greater than the fee denominator.
     */
    function _setTokenRoyalty(uint256 tokenId, address receiver, uint96 feeNumerator) internal virtual {
        require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice");
        require(receiver != address(0), "ERC2981: Invalid parameters");

        _tokenRoyaltyInfo[tokenId] = RoyaltyInfo(receiver, feeNumerator);
    }

    /**
     * @dev Resets royalty information for the token id back to the global default.
     */
    function _resetTokenRoyalty(uint256 tokenId) internal virtual {
        delete _tokenRoyaltyInfo[tokenId];
    }
}

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

pragma solidity ^0.8.0;

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.2) (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 v4.4.1 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165.sol";

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

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

pragma solidity ^0.8.0;

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

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.0;

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

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

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

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

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

pragma solidity ^0.8.0;

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

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

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        unchecked {
            uint256 length = Math.log10(value) + 1;
            string memory buffer = new string(length);
            uint256 ptr;
            /// @solidity memory-safe-assembly
            assembly {
                ptr := add(buffer, add(32, length))
            }
            while (true) {
                ptr--;
                /// @solidity memory-safe-assembly
                assembly {
                    mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
                }
                value /= 10;
                if (value == 0) break;
            }
            return buffer;
        }
    }

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

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

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

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

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

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

/// @notice Optimized and flexible operator filterer to abide to OpenSea's
/// mandatory on-chain royalty enforcement in order for new collections to
/// receive royalties.
/// For more information, see:
/// See: https://github.com/ProjectOpenSea/operator-filter-registry
abstract contract OperatorFilterer {
    /// @dev The default OpenSea operator blocklist subscription.
    address internal constant _DEFAULT_SUBSCRIPTION = 0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6;

    /// @dev The OpenSea operator filter registry.
    address internal constant _OPERATOR_FILTER_REGISTRY = 0x000000000000AAeB6D7670E522A718067333cd4E;

    /// @dev Registers the current contract to OpenSea's operator filter,
    /// and subscribe to the default OpenSea operator blocklist.
    /// Note: Will not revert nor update existing settings for repeated registration.
    function _registerForOperatorFiltering() internal virtual {
        _registerForOperatorFiltering(_DEFAULT_SUBSCRIPTION, true);
    }

    /// @dev Registers the current contract to OpenSea's operator filter.
    /// Note: Will not revert nor update existing settings for repeated registration.
    function _registerForOperatorFiltering(address subscriptionOrRegistrantToCopy, bool subscribe)
        internal
        virtual
    {
        /// @solidity memory-safe-assembly
        assembly {
            let functionSelector := 0x7d3e3dbe // `registerAndSubscribe(address,address)`.

            // Clean the upper 96 bits of `subscriptionOrRegistrantToCopy` in case they are dirty.
            subscriptionOrRegistrantToCopy := shr(96, shl(96, subscriptionOrRegistrantToCopy))

            for {} iszero(subscribe) {} {
                if iszero(subscriptionOrRegistrantToCopy) {
                    functionSelector := 0x4420e486 // `register(address)`.
                    break
                }
                functionSelector := 0xa0af2903 // `registerAndCopyEntries(address,address)`.
                break
            }
            // Store the function selector.
            mstore(0x00, shl(224, functionSelector))
            // Store the `address(this)`.
            mstore(0x04, address())
            // Store the `subscriptionOrRegistrantToCopy`.
            mstore(0x24, subscriptionOrRegistrantToCopy)
            // Register into the registry.
            if iszero(call(gas(), _OPERATOR_FILTER_REGISTRY, 0, 0x00, 0x44, 0x00, 0x04)) {
                // If the function selector has not been overwritten,
                // it is an out-of-gas error.
                if eq(shr(224, mload(0x00)), functionSelector) {
                    // To prevent gas under-estimation.
                    revert(0, 0)
                }
            }
            // Restore the part of the free memory pointer that was overwritten,
            // which is guaranteed to be zero, because of Solidity's memory size limits.
            mstore(0x24, 0)
        }
    }

    /// @dev Modifier to guard a function and revert if the caller is a blocked operator.
    modifier onlyAllowedOperator(address from) virtual {
        if (from != msg.sender) {
            if (!_isPriorityOperator(msg.sender)) {
                if (_operatorFilteringEnabled()) _revertIfBlocked(msg.sender);
            }
        }
        _;
    }

    /// @dev Modifier to guard a function from approving a blocked operator..
    modifier onlyAllowedOperatorApproval(address operator) virtual {
        if (!_isPriorityOperator(operator)) {
            if (_operatorFilteringEnabled()) _revertIfBlocked(operator);
        }
        _;
    }

    /// @dev Helper function that reverts if the `operator` is blocked by the registry.
    function _revertIfBlocked(address operator) private view {
        /// @solidity memory-safe-assembly
        assembly {
            // Store the function selector of `isOperatorAllowed(address,address)`,
            // shifted left by 6 bytes, which is enough for 8tb of memory.
            // We waste 6-3 = 3 bytes to save on 6 runtime gas (PUSH1 0x224 SHL).
            mstore(0x00, 0xc6171134001122334455)
            // Store the `address(this)`.
            mstore(0x1a, address())
            // Store the `operator`.
            mstore(0x3a, operator)

            // `isOperatorAllowed` always returns true if it does not revert.
            if iszero(staticcall(gas(), _OPERATOR_FILTER_REGISTRY, 0x16, 0x44, 0x00, 0x00)) {
                // Bubble up the revert if the staticcall reverts.
                returndatacopy(0x00, 0x00, returndatasize())
                revert(0x00, returndatasize())
            }

            // We'll skip checking if `from` is inside the blacklist.
            // Even though that can block transferring out of wrapper contracts,
            // we don't want tokens to be stuck.

            // Restore the part of the free memory pointer that was overwritten,
            // which is guaranteed to be zero, if less than 8tb of memory is used.
            mstore(0x3a, 0)
        }
    }

    /// @dev For deriving contracts to override, so that operator filtering
    /// can be turned on / off.
    /// Returns true by default.
    function _operatorFilteringEnabled() internal view virtual returns (bool) {
        return true;
    }

    /// @dev For deriving contracts to override, so that preferred marketplaces can
    /// skip operator filtering, helping users save gas.
    /// Returns false for all inputs by default.
    function _isPriorityOperator(address) internal view virtual returns (bool) {
        return false;
    }
}

// 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();
        return _packedAddressData[owner] & _BITMASK_ADDRESS_DATA_ENTRY;
    }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        return _tokenApprovals[tokenId].value;
    }

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

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

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

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

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

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

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

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

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

        _beforeTokenTransfers(from, to, tokenId, 1);

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

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

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

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

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

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

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

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

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

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

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

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

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

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

            uint256 toMasked;
            uint256 end = startTokenId + quantity;

            // Use assembly to loop and emit the `Transfer` event for gas savings.
            // The duplicated `log4` removes an extra check and reduces stack juggling.
            // The assembly, together with the surrounding Solidity code, have been
            // delicately arranged to nudge the compiler into producing optimized opcodes.
            assembly {
                // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean.
                toMasked := and(to, _BITMASK_ADDRESS)
                // Emit the `Transfer` event.
                log4(
                    0, // Start of data (0, since no data).
                    0, // End of data (0, since no data).
                    _TRANSFER_EVENT_SIGNATURE, // Signature.
                    0, // `address(0)`.
                    toMasked, // `to`.
                    startTokenId // `tokenId`.
                )

                // The `iszero(eq(,))` check ensures that large values of `quantity`
                // that overflows uint256 will make the loop run out of gas.
                // The compiler will optimize the `iszero` away for performance.
                for {
                    let tokenId := add(startTokenId, 1)
                } iszero(eq(tokenId, end)) {
                    tokenId := add(tokenId, 1)
                } {
                    // Emit the `Transfer` event. Similar to above.
                    log4(0, 0, _TRANSFER_EVENT_SIGNATURE, 0, toMasked, tokenId)
                }
            }
            if (toMasked == 0) revert MintToZeroAddress();

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

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

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

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

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

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

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

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

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

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

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

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

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

        address from = address(uint160(prevOwnershipPacked));

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    /**
     * @dev Converts a uint256 to its ASCII string decimal representation.
     */
    function _toString(uint256 value) internal pure virtual returns (string memory 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)
        }
    }
}

// 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);
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"string","name":"_ghostTokenURI","type":"string"}],"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":"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":[],"name":"baseTokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"contractURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"endTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"freezeMetaData","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":[],"name":"ghostTokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"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":"isMetaDataFrozen","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxMintsPerWallet","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxWhitelistMintsPerWallet","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"num","type":"uint256"},{"internalType":"address","name":"_to","type":"address"}],"name":"mintMany","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"}],"name":"mintTo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"mintedPerAddress","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"operatorFilteringEnabled","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":[{"internalType":"bytes32[]","name":"merkleForest","type":"bytes32[]"}],"name":"plantMerkleForest","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"merkleTree","type":"bytes32"}],"name":"plantMerkleTree","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"mintCount","type":"uint256"}],"name":"publicMint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"publicMintPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"revealTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"salePrice","type":"uint256"}],"name":"royaltyInfo","outputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"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":"string","name":"_uri","type":"string"}],"name":"setBaseUri","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"uri","type":"string"}],"name":"setContractUri","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_uri","type":"string"}],"name":"setGhostUri","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newWhitelistMintPrice","type":"uint256"},{"internalType":"uint256","name":"newPublicMintPrice","type":"uint256"}],"name":"setMintPrices","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_startTime","type":"uint256"},{"internalType":"uint256","name":"_endTime","type":"uint256"}],"name":"setMintTime","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"value","type":"bool"}],"name":"setOperatorFilteringEnabled","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"time","type":"uint256"}],"name":"setRevealTime","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_startTime","type":"uint256"},{"internalType":"uint256","name":"_endTime","type":"uint256"}],"name":"setWhitelistMintTime","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newMaxSupply","type":"uint256"}],"name":"shrinkSupply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"startTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint32","name":"merkleTreeIndex","type":"uint32"},{"internalType":"bytes32[]","name":"merkleProof","type":"bytes32[]"},{"internalType":"uint256","name":"mintCount","type":"uint256"}],"name":"whitelistMint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"whitelistMintEndTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"whitelistMintPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"whitelistMintTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000004d697066733a2f2f62616679626569666d7372736772766e736975686e3535687373636c7570767634376e3378346b6f6a6a76656c69766d736a616d34647a706336692f67686f73742e6a736f6e00000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : _ghostTokenURI (string): ipfs://bafybeifmsrsgrvnsiuhn55hssclupvv47n3x4kojjvelivmsjam4dzpc6i/ghost.json

-----Encoded View---------------
5 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000020
Arg [1] : 000000000000000000000000000000000000000000000000000000000000004d
Arg [2] : 697066733a2f2f62616679626569666d7372736772766e736975686e35356873
Arg [3] : 73636c7570767634376e3378346b6f6a6a76656c69766d736a616d34647a7063
Arg [4] : 36692f67686f73742e6a736f6e00000000000000000000000000000000000000