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
// OpenZeppelin Contracts (last updated v4.7.0) (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 anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (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 v4.7.0) (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 v4.7.0) (utils/cryptography/MerkleProof.sol)

pragma solidity ^0.8.0;

/**
 * @dev These functions deal with verification of Merkle Tree proofs.
 *
 * The proofs can be generated using the JavaScript library
 * https://github.com/miguelmota/merkletreejs[merkletreejs].
 * Note: the hashing algorithm should be keccak256 and pair sorting should be enabled.
 *
 * See `test/utils/cryptography/MerkleProof.test.js` for some examples.
 *
 * 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.
 */
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 proved to be a part of a Merkle tree defined by
     * `root`, according to `proof` and `proofFlags` as described in {processMultiProof}.
     *
     * _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}
     *
     * _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 the sibling nodes in `proof`,
     * consuming from one or the other at each step according to the instructions given by
     * `proofFlags`.
     *
     * _Available since v4.7._
     */
    function processMultiProof(
        bytes32[] memory proof,
        bool[] memory proofFlags,
        bytes32[] memory leaves
    ) internal pure returns (bytes32 merkleRoot) {
        // This function rebuild 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 totalHashes = proofFlags.length;

        // Check proof validity.
        require(leavesLen + proof.length - 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 for 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) {
            return hashes[totalHashes - 1];
        } else if (leavesLen > 0) {
            return leaves[0];
        } else {
            return proof[0];
        }
    }

    /**
     * @dev Calldata version of {processMultiProof}
     *
     * _Available since v4.7._
     */
    function processMultiProofCalldata(
        bytes32[] calldata proof,
        bool[] calldata proofFlags,
        bytes32[] memory leaves
    ) internal pure returns (bytes32 merkleRoot) {
        // This function rebuild 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 totalHashes = proofFlags.length;

        // Check proof validity.
        require(leavesLen + proof.length - 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 for 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) {
            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 v4.7.0) (utils/Strings.sol)

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_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) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

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

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

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

    /**
     * @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);
    }
}

// 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
pragma solidity ^0.8.17;

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol";
import "@openzeppelin/contracts/utils/Strings.sol";
import "@openzeppelin/contracts/token/common/ERC2981.sol";
import "erc721a/contracts/ERC721A.sol";
import "closedsea/src/OperatorFilterer.sol";

contract SofaMon is ERC721A, ERC2981, OperatorFilterer, Ownable {
    string public baseURI;

    uint256 public price = 0.0169 ether;

    uint256 public constant totalTokens = 10000;
    uint256 public constant freeTotalTokens = 5555;
    uint256 public constant maxFreeState = 0;
    uint256 public constant maxPaidState = 3;
    uint256 public mintedFree = 0;
    uint256 public mintedPaid = 0;
    uint256 public mintedTreasury = 0;

    bytes32 private freeRoot;
    bytes32 private paidRoot;

    enum SaleStage {
        Closed,
        Free,
        Public,
        Finished
    }

    SaleStage public saleState = SaleStage.Closed;

    mapping(address => uint256) public freeMinted;
    mapping(address => uint256) public publicMinted;
    mapping(address => uint256) public treasuryMinted;

    bool public operatorFilteringEnabled = true;
    bool public paused = false;

    constructor() ERC721A("Sofamon Seed", "Sofamon Seed") {
        setBaseURI("ipfs://bafybeif55dqn47zs4rd4gdhejufow3mb2bwmm2zj3nzosbulzgkyohx2ju/seed_json/");
        _setDefaultRoyalty(msg.sender, 500);
        _registerForOperatorFiltering();
    }

    function mintFree(
        uint256 _amount,
        uint256 _maxAmount,
        bytes32[] calldata merkleProof
    ) external eoaCheck notPaused isStageValid(SaleStage.Free) {
        require(freeMinted[msg.sender] + _amount <= _maxAmount, "Exceeding max eligible amount.");
        require(mintedFree + _amount <= freeTotalTokens, "Exceeding max supply of free tokens.");
        bytes32 leaf = keccak256(abi.encodePacked(msg.sender, _maxAmount));
        require(MerkleProof.verify(merkleProof, freeRoot, leaf), "Proof does not match.");
        freeMinted[msg.sender] += _amount;
        mintedFree += _amount;
        _mint(msg.sender, _amount);
    }

    function mintPublic(uint256 _amount) external payable notPaused isStageValid(SaleStage.Public) {
        require(publicMinted[msg.sender] + _amount <= maxPaidState, "Exceeding max tokens of Public sale");
        require(totalSupply() + _amount <= totalTokens, "Exceeding max supply of total tokens.");
        require(msg.value == price * _amount, "Incorrect Ether value.");
        publicMinted[msg.sender] += _amount;
        mintedPaid += _amount;
        _mint(msg.sender, _amount);
    }

    modifier notPaused() {
        require(!paused, "error: sale paused!");
        _;
    }

    //Functions

    modifier isStageValid(SaleStage requiredState) {
        require(saleState == requiredState, "wrong sale state");
        _;
    }

    modifier eoaCheck() {
        require(tx.origin == msg.sender, "contract not allowed");
        _;
    }

    function setMerkleRoot(bytes32 _root) public onlyOwner {
        freeRoot = _root;
    }

    function setBaseURI(string memory newbaseURI) public onlyOwner {
        baseURI = newbaseURI;
    }

    function setSaleStage(SaleStage _saleState) external onlyOwner {
        saleState = _saleState;
    }

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

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

    function setPause(bool _paused) public onlyOwner {
        paused = _paused;
    }

    function mintTreasury(address to, uint256 _amount) external onlyOwner {
        require(totalSupply() + _amount <= totalTokens, "Exceeding max supply of total tokens.");
        _mint(to, _amount);
        mintedTreasury += _amount;
        treasuryMinted[to] += _amount;
    }

    function airdrop(address[] memory to) external onlyOwner {
        require(totalSupply() + to.length <= totalTokens, "Exceeding max supply of total tokens.");

        for (uint i = 0; i < to.length; ) {
            _mint(to[i], 1);
            treasuryMinted[to[i]] += 1;
            unchecked {
                i++;
            }
        }
    }

    // IERC2981

    function setRoyaltyInfo(address payable receiver, uint96 numerator) public onlyOwner {
        _setDefaultRoyalty(receiver, numerator);
    }

    bool private isAllowTransfer = false;

    function setPrice(uint256 newPrice) public onlyOwner {
        price = newPrice;
    }

    function assertAllowTransfer(address from) internal view {
        if (!isAllowTransfer) {
            require(from == address(0) || from == owner(), "transfer reach limit");
        }
    }

    function setAllowTransfer(bool _isAllow) public onlyOwner {
        isAllowTransfer = _isAllow;
    }

    // OperatorFilterer

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

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

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

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

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

    function toggleOperatorFilteringEnabled() external onlyOwner {
        operatorFilteringEnabled = !operatorFilteringEnabled;
    }

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

    // ERC165

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

    struct SofaMonDashboard {
        uint256 price;
        uint256 totalTokens;
        uint256 freeTotalTokens;
        uint256 paidTotalTokens;
        uint256 maxFreeState;
        uint256 maxPaidState;
        uint256 mintedFree;
        uint256 mintedPaid;
        bool paused;
        uint256 userFreeMinted;
        uint256 userPublicMinted;
        SaleStage stage;
    }

    function dashboardStatus(address _addr) public view returns (SofaMonDashboard memory dashboard) {
        dashboard.price = price;
        dashboard.totalTokens = totalTokens;
        dashboard.freeTotalTokens = freeTotalTokens;
        dashboard.paidTotalTokens = totalTokens - mintedFree;
        dashboard.maxFreeState = maxFreeState;
        dashboard.maxPaidState = maxPaidState;
        dashboard.mintedFree = mintedFree;
        dashboard.mintedPaid = mintedPaid;

        dashboard.paused = paused;
        dashboard.stage = saleState;

        dashboard.userPublicMinted = publicMinted[_addr];
        dashboard.userFreeMinted = freeMinted[_addr];
        dashboard.stage = saleState;
    }
}

// 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":[],"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[]"}],"name":"airdrop","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","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":"baseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_addr","type":"address"}],"name":"dashboardStatus","outputs":[{"components":[{"internalType":"uint256","name":"price","type":"uint256"},{"internalType":"uint256","name":"totalTokens","type":"uint256"},{"internalType":"uint256","name":"freeTotalTokens","type":"uint256"},{"internalType":"uint256","name":"paidTotalTokens","type":"uint256"},{"internalType":"uint256","name":"maxFreeState","type":"uint256"},{"internalType":"uint256","name":"maxPaidState","type":"uint256"},{"internalType":"uint256","name":"mintedFree","type":"uint256"},{"internalType":"uint256","name":"mintedPaid","type":"uint256"},{"internalType":"bool","name":"paused","type":"bool"},{"internalType":"uint256","name":"userFreeMinted","type":"uint256"},{"internalType":"uint256","name":"userPublicMinted","type":"uint256"},{"internalType":"enum SofaMon.SaleStage","name":"stage","type":"uint8"}],"internalType":"struct SofaMon.SofaMonDashboard","name":"dashboard","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"freeMinted","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"freeTotalTokens","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxFreeState","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxPaidState","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint256","name":"_maxAmount","type":"uint256"},{"internalType":"bytes32[]","name":"merkleProof","type":"bytes32[]"}],"name":"mintFree","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"mintPublic","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"mintTreasury","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"mintedFree","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"mintedPaid","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"mintedTreasury","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":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"price","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"publicMinted","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","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":[],"name":"saleState","outputs":[{"internalType":"enum SofaMon.SaleStage","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bool","name":"_isAllow","type":"bool"}],"name":"setAllowTransfer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"newbaseURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_root","type":"bytes32"}],"name":"setMerkleRoot","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_paused","type":"bool"}],"name":"setPause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newPrice","type":"uint256"}],"name":"setPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address payable","name":"receiver","type":"address"},{"internalType":"uint96","name":"numerator","type":"uint96"}],"name":"setRoyaltyInfo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"enum SofaMon.SaleStage","name":"_saleState","type":"uint8"}],"name":"setSaleStage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"toggleOperatorFilteringEnabled","outputs":[],"stateMutability":"nonpayable","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":[],"name":"totalTokens","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":"address","name":"","type":"address"}],"name":"treasuryMinted","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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