Token

Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
// 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();
            }
        }
    }

    function _safeMintAscended(address to) internal returns (uint256) {
        _mint(to, 1);

        return _currentIndex - 1;
    }

    /**
     * @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);
}

// SPDX-License-Identifier: CC0-1.0
pragma solidity ^0.8.17;

/**
 * @title An immutable registry contract to be deployed as a standalone primitive
 * @dev See EIP-5639, new project launches can read previous cold wallet -> hot wallet delegations
 * from here and integrate those permissions into their flow
 */
interface IDelegationRegistry {
    /// @notice Delegation type
    enum DelegationType {
        NONE,
        ALL,
        CONTRACT,
        TOKEN
    }

    /// @notice Info about a single delegation, used for onchain enumeration
    struct DelegationInfo {
        DelegationType type_;
        address vault;
        address delegate;
        address contract_;
        uint256 tokenId;
    }

    /// @notice Info about a single contract-level delegation
    struct ContractDelegation {
        address contract_;
        address delegate;
    }

    /// @notice Info about a single token-level delegation
    struct TokenDelegation {
        address contract_;
        uint256 tokenId;
        address delegate;
    }

    /// @notice Emitted when a user delegates their entire wallet
    event DelegateForAll(address vault, address delegate, bool value);

    /// @notice Emitted when a user delegates a specific contract
    event DelegateForContract(address vault, address delegate, address contract_, bool value);

    /// @notice Emitted when a user delegates a specific token
    event DelegateForToken(address vault, address delegate, address contract_, uint256 tokenId, bool value);

    /// @notice Emitted when a user revokes all delegations
    event RevokeAllDelegates(address vault);

    /// @notice Emitted when a user revoes all delegations for a given delegate
    event RevokeDelegate(address vault, address delegate);

    /**
     * -----------  WRITE -----------
     */

    /**
     * @notice Allow the delegate to act on your behalf for all contracts
     * @param delegate The hotwallet to act on your behalf
     * @param value Whether to enable or disable delegation for this address, true for setting and false for revoking
     */
    function delegateForAll(address delegate, bool value) external;

    /**
     * @notice Allow the delegate to act on your behalf for a specific contract
     * @param delegate The hotwallet to act on your behalf
     * @param contract_ The address for the contract you're delegating
     * @param value Whether to enable or disable delegation for this address, true for setting and false for revoking
     */
    function delegateForContract(address delegate, address contract_, bool value) external;

    /**
     * @notice Allow the delegate to act on your behalf for a specific token
     * @param delegate The hotwallet to act on your behalf
     * @param contract_ The address for the contract you're delegating
     * @param tokenId The token id for the token you're delegating
     * @param value Whether to enable or disable delegation for this address, true for setting and false for revoking
     */
    function delegateForToken(address delegate, address contract_, uint256 tokenId, bool value) external;

    /**
     * @notice Revoke all delegates
     */
    function revokeAllDelegates() external;

    /**
     * @notice Revoke a specific delegate for all their permissions
     * @param delegate The hotwallet to revoke
     */
    function revokeDelegate(address delegate) external;

    /**
     * @notice Remove yourself as a delegate for a specific vault
     * @param vault The vault which delegated to the msg.sender, and should be removed
     */
    function revokeSelf(address vault) external;

    /**
     * -----------  READ -----------
     */

    /**
     * @notice Returns all active delegations a given delegate is able to claim on behalf of
     * @param delegate The delegate that you would like to retrieve delegations for
     * @return info Array of DelegationInfo structs
     */
    function getDelegationsByDelegate(address delegate) external view returns (DelegationInfo[] memory);

    /**
     * @notice Returns an array of wallet-level delegates for a given vault
     * @param vault The cold wallet who issued the delegation
     * @return addresses Array of wallet-level delegates for a given vault
     */
    function getDelegatesForAll(address vault) external view returns (address[] memory);

    /**
     * @notice Returns an array of contract-level delegates for a given vault and contract
     * @param vault The cold wallet who issued the delegation
     * @param contract_ The address for the contract you're delegating
     * @return addresses Array of contract-level delegates for a given vault and contract
     */
    function getDelegatesForContract(address vault, address contract_) external view returns (address[] memory);

    /**
     * @notice Returns an array of contract-level delegates for a given vault's token
     * @param vault The cold wallet who issued the delegation
     * @param contract_ The address for the contract holding the token
     * @param tokenId The token id for the token you're delegating
     * @return addresses Array of contract-level delegates for a given vault's token
     */
    function getDelegatesForToken(address vault, address contract_, uint256 tokenId)
        external
        view
        returns (address[] memory);

    /**
     * @notice Returns all contract-level delegations for a given vault
     * @param vault The cold wallet who issued the delegations
     * @return delegations Array of ContractDelegation structs
     */
    function getContractLevelDelegations(address vault)
        external
        view
        returns (ContractDelegation[] memory delegations);

    /**
     * @notice Returns all token-level delegations for a given vault
     * @param vault The cold wallet who issued the delegations
     * @return delegations Array of TokenDelegation structs
     */
    function getTokenLevelDelegations(address vault) external view returns (TokenDelegation[] memory delegations);

    /**
     * @notice Returns true if the address is delegated to act on the entire vault
     * @param delegate The hotwallet to act on your behalf
     * @param vault The cold wallet who issued the delegation
     */
    function checkDelegateForAll(address delegate, address vault) external view returns (bool);

    /**
     * @notice Returns true if the address is delegated to act on your behalf for a token contract or an entire vault
     * @param delegate The hotwallet to act on your behalf
     * @param contract_ The address for the contract you're delegating
     * @param vault The cold wallet who issued the delegation
     */
    function checkDelegateForContract(address delegate, address vault, address contract_)
        external
        view
        returns (bool);

    /**
     * @notice Returns true if the address is delegated to act on your behalf for a specific token, the token's contract or an entire vault
     * @param delegate The hotwallet to act on your behalf
     * @param contract_ The address for the contract you're delegating
     * @param tokenId The token id for the token you're delegating
     * @param vault The cold wallet who issued the delegation
     */
    function checkDelegateForToken(address delegate, address vault, address contract_, uint256 tokenId)
        external
        view
        returns (bool);
}

// 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 v4.8.0) (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

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

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

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/ERC721.sol)

pragma solidity ^0.8.0;

import "./IERC721.sol";
import "./IERC721Receiver.sol";
import "./extensions/IERC721Metadata.sol";
import "../../utils/Address.sol";
import "../../utils/Context.sol";
import "../../utils/Strings.sol";
import "../../utils/introspection/ERC165.sol";

/**
 * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
 * the Metadata extension, but not including the Enumerable extension, which is available separately as
 * {ERC721Enumerable}.
 */
contract ERC721 is Context, ERC165, IERC721, IERC721Metadata {
    using Address for address;
    using Strings for uint256;

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

    // Mapping from token ID to owner address
    mapping(uint256 => address) private _owners;

    // Mapping owner address to token count
    mapping(address => uint256) private _balances;

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

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

    /**
     * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
        return
            interfaceId == type(IERC721).interfaceId ||
            interfaceId == type(IERC721Metadata).interfaceId ||
            super.supportsInterface(interfaceId);
    }

    /**
     * @dev See {IERC721-balanceOf}.
     */
    function balanceOf(address owner) public view virtual override returns (uint256) {
        require(owner != address(0), "ERC721: address zero is not a valid owner");
        return _balances[owner];
    }

    /**
     * @dev See {IERC721-ownerOf}.
     */
    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        address owner = _ownerOf(tokenId);
        require(owner != address(0), "ERC721: invalid token ID");
        return owner;
    }

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

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

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

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

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

    /**
     * @dev See {IERC721-approve}.
     */
    function approve(address to, uint256 tokenId) public virtual override {
        address owner = ERC721.ownerOf(tokenId);
        require(to != owner, "ERC721: approval to current owner");

        require(
            _msgSender() == owner || isApprovedForAll(owner, _msgSender()),
            "ERC721: approve caller is not token owner or approved for all"
        );

        _approve(to, tokenId);
    }

    /**
     * @dev See {IERC721-getApproved}.
     */
    function getApproved(uint256 tokenId) public view virtual override returns (address) {
        _requireMinted(tokenId);

        return _tokenApprovals[tokenId];
    }

    /**
     * @dev See {IERC721-setApprovalForAll}.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        _setApprovalForAll(_msgSender(), operator, approved);
    }

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

    /**
     * @dev See {IERC721-transferFrom}.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        //solhint-disable-next-line max-line-length
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: caller is not token owner or approved");

        _transfer(from, to, tokenId);
    }

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

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory data
    ) public virtual override {
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: caller is not token owner or approved");
        _safeTransfer(from, to, tokenId, data);
    }

    /**
     * @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.
     *
     * `data` is additional data, it has no specified format and it is sent in call to `to`.
     *
     * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.
     * implement alternative mechanisms to perform token transfer, such as signature-based.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function _safeTransfer(
        address from,
        address to,
        uint256 tokenId,
        bytes memory data
    ) internal virtual {
        _transfer(from, to, tokenId);
        require(_checkOnERC721Received(from, to, tokenId, data), "ERC721: transfer to non ERC721Receiver implementer");
    }

    /**
     * @dev Returns the owner of the `tokenId`. Does NOT revert if token doesn't exist
     */
    function _ownerOf(uint256 tokenId) internal view virtual returns (address) {
        return _owners[tokenId];
    }

    /**
     * @dev Returns whether `tokenId` exists.
     *
     * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
     *
     * Tokens start existing when they are minted (`_mint`),
     * and stop existing when they are burned (`_burn`).
     */
    function _exists(uint256 tokenId) internal view virtual returns (bool) {
        return _ownerOf(tokenId) != address(0);
    }

    /**
     * @dev Returns whether `spender` is allowed to manage `tokenId`.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
        address owner = ERC721.ownerOf(tokenId);
        return (spender == owner || isApprovedForAll(owner, spender) || getApproved(tokenId) == spender);
    }

    /**
     * @dev Safely mints `tokenId` and transfers it to `to`.
     *
     * Requirements:
     *
     * - `tokenId` must not exist.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function _safeMint(address to, uint256 tokenId) internal virtual {
        _safeMint(to, tokenId, "");
    }

    /**
     * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
     * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
     */
    function _safeMint(
        address to,
        uint256 tokenId,
        bytes memory data
    ) internal virtual {
        _mint(to, tokenId);
        require(
            _checkOnERC721Received(address(0), to, tokenId, data),
            "ERC721: transfer to non ERC721Receiver implementer"
        );
    }

    /**
     * @dev Mints `tokenId` and transfers it to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible
     *
     * Requirements:
     *
     * - `tokenId` must not exist.
     * - `to` cannot be the zero address.
     *
     * Emits a {Transfer} event.
     */
    function _mint(address to, uint256 tokenId) internal virtual {
        require(to != address(0), "ERC721: mint to the zero address");
        require(!_exists(tokenId), "ERC721: token already minted");

        _beforeTokenTransfer(address(0), to, tokenId, 1);

        // Check that tokenId was not minted by `_beforeTokenTransfer` hook
        require(!_exists(tokenId), "ERC721: token already minted");

        unchecked {
            // Will not overflow unless all 2**256 token ids are minted to the same owner.
            // Given that tokens are minted one by one, it is impossible in practice that
            // this ever happens. Might change if we allow batch minting.
            // The ERC fails to describe this case.
            _balances[to] += 1;
        }

        _owners[tokenId] = to;

        emit Transfer(address(0), to, tokenId);

        _afterTokenTransfer(address(0), to, tokenId, 1);
    }

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     * This is an internal function that does not check if the sender is authorized to operate on the token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     *
     * Emits a {Transfer} event.
     */
    function _burn(uint256 tokenId) internal virtual {
        address owner = ERC721.ownerOf(tokenId);

        _beforeTokenTransfer(owner, address(0), tokenId, 1);

        // Update ownership in case tokenId was transferred by `_beforeTokenTransfer` hook
        owner = ERC721.ownerOf(tokenId);

        // Clear approvals
        delete _tokenApprovals[tokenId];

        unchecked {
            // Cannot overflow, as that would require more tokens to be burned/transferred
            // out than the owner initially received through minting and transferring in.
            _balances[owner] -= 1;
        }
        delete _owners[tokenId];

        emit Transfer(owner, address(0), tokenId);

        _afterTokenTransfer(owner, address(0), tokenId, 1);
    }

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *  As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     *
     * Emits a {Transfer} event.
     */
    function _transfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual {
        require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer from incorrect owner");
        require(to != address(0), "ERC721: transfer to the zero address");

        _beforeTokenTransfer(from, to, tokenId, 1);

        // Check that tokenId was not transferred by `_beforeTokenTransfer` hook
        require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer from incorrect owner");

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

        unchecked {
            // `_balances[from]` cannot overflow for the same reason as described in `_burn`:
            // `from`'s balance is the number of token held, which is at least one before the current
            // transfer.
            // `_balances[to]` could overflow in the conditions described in `_mint`. That would require
            // all 2**256 token ids to be minted, which in practice is impossible.
            _balances[from] -= 1;
            _balances[to] += 1;
        }
        _owners[tokenId] = to;

        emit Transfer(from, to, tokenId);

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

    /**
     * @dev Approve `to` to operate on `tokenId`
     *
     * Emits an {Approval} event.
     */
    function _approve(address to, uint256 tokenId) internal virtual {
        _tokenApprovals[tokenId] = to;
        emit Approval(ERC721.ownerOf(tokenId), to, tokenId);
    }

    /**
     * @dev Approve `operator` to operate on all of `owner` tokens
     *
     * Emits an {ApprovalForAll} event.
     */
    function _setApprovalForAll(
        address owner,
        address operator,
        bool approved
    ) internal virtual {
        require(owner != operator, "ERC721: approve to caller");
        _operatorApprovals[owner][operator] = approved;
        emit ApprovalForAll(owner, operator, approved);
    }

    /**
     * @dev Reverts if the `tokenId` has not been minted yet.
     */
    function _requireMinted(uint256 tokenId) internal view virtual {
        require(_exists(tokenId), "ERC721: invalid token ID");
    }

    /**
     * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
     * The call is not executed if the target address is not a contract.
     *
     * @param from address representing the previous owner of the given token ID
     * @param to target address that will receive the tokens
     * @param tokenId uint256 ID of the token to be transferred
     * @param data bytes optional data to send along with the call
     * @return bool whether the call correctly returned the expected magic value
     */
    function _checkOnERC721Received(
        address from,
        address to,
        uint256 tokenId,
        bytes memory data
    ) private returns (bool) {
        if (to.isContract()) {
            try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, data) returns (bytes4 retval) {
                return retval == IERC721Receiver.onERC721Received.selector;
            } catch (bytes memory reason) {
                if (reason.length == 0) {
                    revert("ERC721: transfer to non ERC721Receiver implementer");
                } else {
                    /// @solidity memory-safe-assembly
                    assembly {
                        revert(add(32, reason), mload(reason))
                    }
                }
            }
        } else {
            return true;
        }
    }

    /**
     * @dev Hook that is called before any token transfer. This includes minting and burning. If {ERC721Consecutive} is
     * used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, ``from``'s tokens will be transferred to `to`.
     * - When `from` is zero, the tokens will be minted for `to`.
     * - When `to` is zero, ``from``'s tokens will be burned.
     * - `from` and `to` are never both zero.
     * - `batchSize` is non-zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256, /* firstTokenId */
        uint256 batchSize
    ) internal virtual {
        if (batchSize > 1) {
            if (from != address(0)) {
                _balances[from] -= batchSize;
            }
            if (to != address(0)) {
                _balances[to] += batchSize;
            }
        }
    }

    /**
     * @dev Hook that is called after any token transfer. This includes minting and burning. If {ERC721Consecutive} is
     * used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, ``from``'s tokens were transferred to `to`.
     * - When `from` is zero, the tokens were minted for `to`.
     * - When `to` is zero, ``from``'s tokens were burned.
     * - `from` and `to` are never both zero.
     * - `batchSize` is non-zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _afterTokenTransfer(
        address from,
        address to,
        uint256 firstTokenId,
        uint256 batchSize
    ) internal virtual {}
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

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

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721 is IERC165 {
    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

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

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

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

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

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

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

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721
     * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must
     * understand this adds an external call which potentially creates a reentrancy vulnerability.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.0;

/**
 * @title ERC721 token receiver interface
 * @dev Interface for any contract that wants to support safeTransfers
 * from ERC721 asset contracts.
 */
interface IERC721Receiver {
    /**
     * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
     * by `operator` from `from`, this function is called.
     *
     * It must return its Solidity selector to confirm the token transfer.
     * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
     *
     * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC721.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Metadata is IERC721 {
    /**
     * @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);
}

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

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

// 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 v4.8.0) (utils/Strings.sol)

pragma solidity ^0.8.0;

import "./math/Math.sol";

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

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

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

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

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

// 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 v4.8.0) (utils/math/Math.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            require(denominator > prod1);

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
            return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0);
        }
    }
}

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

import {ERC721A} from "ERC721A/contracts/ERC721A.sol";
import {IERC721} from "openzeppelin-contracts/contracts/token/ERC721/ERC721.sol";
import {Ownable} from "openzeppelin-contracts/contracts/access/Ownable.sol";
import {ReentrancyGuard} from "openzeppelin-contracts/contracts/security/ReentrancyGuard.sol";
import {IDelegationRegistry} from "delegation-registry/src/IDelegationRegistry.sol";

interface MetadataInterface {
    function _baseURI() external view returns (string memory);
}

contract KongFu is ERC721A, Ownable, ReentrancyGuard {
    address public megaKongsContract = 0x0D7cbFa90a214fc0D8EA692779626fC3dfEbBE08;
    address public delegateContract = 0x00000000000076A84feF008CDAbe6409d2FE638B;
    uint256 public price = 0.025 ether;
    uint256 public maxSupply = 16000;
    uint256 public initialSaleSupply = 10000;
    uint256 public claimedNFTs = 0;
    address public treasury = 0xdaC0F92a43F2E9B9c2207b1bEe3b3942e2B1618f;
    string public contractURI = "ipfs://QmZCVDBsKvJYfNFDY7trYJ61vHv348XpXYREZ75AU65J5K";
    string public baseURI = "https://api.kongfu.megapont.com/metadata/";
    string public rarityProvenance = "450fa4812a680c5003e055736b109bf823e3c72d590da33e65b8bc3b906be6f2";

    bool public claimActive = false;
    bool public saleActive = false;
    bool public initialSaleFinished = false;
    bool public ascendActive = false;
    mapping(uint256 => bool) public ascended;

    /**
     * @notice Indicates if transfers are permitted by proxy through most marketplaces.
     * This is a naive way to stop approvals until the contratc either mints out or one week
     * has passed since the initial sale.
     */
    bool public transferPermitted = false;
    uint256 public mintTimestamp;

    mapping(uint256 => bool) public claimed;

    IDelegationRegistry delegateCash = IDelegationRegistry(delegateContract);

    constructor() ERC721A("KongFu", "KF") {}

    MetadataInterface public metadataInterface;

    event Ascended(uint256 indexed tokenId);

    modifier ascensionNotActive() {
        require(!ascendActive, "Ascension is active");
        _;
    }

    /**
     * @notice Returns the current maximum supply of tokens.
     *
     * If the initial sale has finished, the maximum supply will be returned from
     * the `maxSupply` state variable. Otherwise, the initial sale supply will be
     * returned from the `initialSaleSupply` state variable.
     *
     * @return the current maximum supply of tokens
     */
    function getCurrentMaxSupply() public view returns (uint256) {
        uint256 _maxSupply;

        if (initialSaleFinished) {
            _maxSupply = maxSupply;
        } else {
            _maxSupply = initialSaleSupply + claimedNFTs;
        }
        return _maxSupply;
    }

    function mint(uint256 quantity) public payable nonReentrant ascensionNotActive {
        require(saleActive, "Sale is not active");
        require(quantity > 0, "Quantity must be greater than 0");
        require(totalSupply() + quantity <= getCurrentMaxSupply(), "Mint amount exceeds max supply");
        require(msg.value >= price * quantity, "Ether value sent is not correct");
        _safeMint(msg.sender, quantity);
    }

    /**
     * @notice Mints a single token to the given address.
     *
     * This function is only callable by the contract owner and is intended to be
     * used to mint the initial token to the contract owner. Useful for setting up
     * marketplaces to avoid url routing issues with scammers.
     */
    function firstMint() public onlyOwner {
        require(totalSupply() == 0, "Already minted");
        _safeMint(msg.sender, 1);
    }

    function _claim(uint256[] memory tokenIds, address _kongOwner, address _mintAddress) internal {
        require(claimActive, "Claim is not active");
        uint256 claimQuantity = tokenIds.length;
        require(totalSupply() + claimQuantity <= maxSupply, "Mint amount exceeds max supply");
        for (uint256 i = 0; i < claimQuantity; i++) {
            require(IERC721(megaKongsContract).ownerOf(tokenIds[i]) == _kongOwner, "You do not own this MegaKong");
            require(!claimed[tokenIds[i]], "This MegaKong has already claimed");
            claimed[tokenIds[i]] = true;
        }
        claimedNFTs += claimQuantity;
        _safeMint(_mintAddress, claimQuantity);
    }

    function claim(uint256[] memory tokenIds) public nonReentrant ascensionNotActive {
        _claim(tokenIds, msg.sender, msg.sender);
    }

    function delegateClaim(uint256[] memory tokenIds, address _vaultAddress) public nonReentrant ascensionNotActive {
        require(
            delegateCash.checkDelegateForAll(msg.sender, _vaultAddress)
                || delegateCash.checkDelegateForContract(msg.sender, _vaultAddress, megaKongsContract),
            "No valid delegation found"
        );
        _claim(tokenIds, _vaultAddress, msg.sender);
    }

    function getContractURI() public view returns (string memory) {
        return contractURI;
    }

    function isAscended(uint256 tokenId) public view returns (bool) {
        return ascended[tokenId];
    }

    function setTreasury(address _treasury) public onlyOwner {
        require(_treasury != address(0), "Treasury cannot be 0 address");
        treasury = _treasury;
    }

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

    function setMegaKongsContract(address _megaKongsContract) public onlyOwner {
        require(_megaKongsContract != address(0), "MegaKongs contract cannot be 0 address");
        megaKongsContract = _megaKongsContract;
    }

    function setDelegateContract(address _delegateContract) public onlyOwner {
        require(_delegateContract != address(0), "Delegate contract cannot be 0 address");
        delegateContract = _delegateContract;
    }

    function setMaxSupply(uint256 _maxSupply) public onlyOwner {
        maxSupply = _maxSupply;
    }

    function setInitialSaleSupply(uint256 _initialSaleSupply) public onlyOwner {
        initialSaleSupply = _initialSaleSupply;
    }

    function setClaimActive(bool _claimActive) public onlyOwner ascensionNotActive {
        claimActive = _claimActive;
    }

    function setSaleActive(bool _saleActive) public onlyOwner ascensionNotActive {
        saleActive = _saleActive;
        if (_saleActive && mintTimestamp == 0) {
            mintTimestamp = block.timestamp;
        }
    }

    /**
     * @notice Sets the `initialSaleFinished` state variable to the given value.
     *
     * If the given value is `true`, the `claimActive` state variable will be set
     * to `false` to indicate that the initial sale has finished and claims are no
     * longer active.
     *
     * @param _initialSaleFinished the new value for the `initialSaleFinished` state variable
     */
    function setInitialSaleFinished(bool _initialSaleFinished) public onlyOwner ascensionNotActive {
        initialSaleFinished = _initialSaleFinished;
        if (_initialSaleFinished) {
            claimActive = false;
        }
    }

    function setContractURI(string memory _contractURI) public onlyOwner {
        contractURI = _contractURI;
    }

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

    function setAscendActive() public onlyOwner {
        claimActive = false;
        initialSaleFinished = true;
        ascendActive = true;
    }

    function setMetadataInterface(MetadataInterface _metadataInterface) public onlyOwner {
        metadataInterface = _metadataInterface;
    }

    function withdraw() public onlyOwner {
        payable(treasury).transfer(address(this).balance);
    }

    /**
     * @notice Sets the `transferPermitted` state variable to `true` if the
     * contract has either minted out or one week has passed since the initial
     * sale.
     */
    function setTransferPermitted() public {
        if (totalSupply() == maxSupply || block.timestamp - mintTimestamp > 1 weeks) {
            transferPermitted = true;
        }
    }

    /**
     * @notice Sets the `transferPermitted` state variable to `true`.
     *
     * This function is only callable by the contract owner and is intended to be
     * used to override the `transferPermitted` state variable if the contract
     * has not minted out or one week has not passed since the initial sale.
     */
    function adminOverrideTransferPermitted() public onlyOwner {
        transferPermitted = true;
    }

    function setApprovalForAll(address operator, bool approved) public override {
        require(transferPermitted, "Transfers are not permitted");
        super.setApprovalForAll(operator, approved);
    }

    function approve(address operator, uint256 tokenId) public payable override {
        require(transferPermitted, "Transfer is not permitted");
        super.approve(operator, tokenId);
    }

    function ascend(uint256[] memory tokenIds) public nonReentrant {
        require(ascendActive, "Ascend is not active");
        require(tokenIds.length == 5, "Must ascend with 5 tokens");
        for (uint256 i = 0; i < tokenIds.length; i++) {
            require(ownerOf(tokenIds[i]) == msg.sender, "You do not own this token");
            require(!ascended[tokenIds[i]], "You cannot ascend this token");
            _burn(tokenIds[i]);
        }
        uint256 ascendedId = _safeMintAscended(msg.sender);
        emit Ascended(ascendedId);
        ascended[ascendedId] = true;
    }

    /**
     * @notice Returns the base URI for the contract.
     *
     * If the metadata interface is set, the base URI will be fetched from the
     * metadata interface using the `_baseURI` function. Otherwise, the base URI
     * will be returned from the co ntract's `baseURI` state variable.
     *
     * @return the base URI for the contract
     */
    function _baseURI() internal view virtual override returns (string memory) {
        if (address(metadataInterface) != address(0)) {
            return metadataInterface._baseURI();
        } else {
            return baseURI;
        }
    }
}

{
  "remappings": [
    "ERC721A/=lib/ERC721A/",
    "delegation-registry/=lib/delegation-registry/",
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 20000
  },
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "london",
  "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":"tokenId","type":"uint256"}],"name":"Ascended","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":[],"name":"adminOverrideTransferPermitted","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":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"ascend","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"ascendActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"ascended","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","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":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"claim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"claimActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"claimed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"claimedNFTs","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"contractURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"},{"internalType":"address","name":"_vaultAddress","type":"address"}],"name":"delegateClaim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"delegateContract","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"firstMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getContractURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getCurrentMaxSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"initialSaleFinished","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"initialSaleSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"isAscended","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"megaKongsContract","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"metadataInterface","outputs":[{"internalType":"contract MetadataInterface","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"quantity","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"mintTimestamp","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"price","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rarityProvenance","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"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":"saleActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"setAscendActive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_newURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_claimActive","type":"bool"}],"name":"setClaimActive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_contractURI","type":"string"}],"name":"setContractURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_delegateContract","type":"address"}],"name":"setDelegateContract","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_initialSaleFinished","type":"bool"}],"name":"setInitialSaleFinished","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_initialSaleSupply","type":"uint256"}],"name":"setInitialSaleSupply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_maxSupply","type":"uint256"}],"name":"setMaxSupply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_megaKongsContract","type":"address"}],"name":"setMegaKongsContract","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract MetadataInterface","name":"_metadataInterface","type":"address"}],"name":"setMetadataInterface","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_price","type":"uint256"}],"name":"setPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_saleActive","type":"bool"}],"name":"setSaleActive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"setTransferPermitted","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_treasury","type":"address"}],"name":"setTreasury","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"transferPermitted","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"treasury","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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