Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta

More Options

• Similar
• Submit Audit
• Compare

/////////
// Wield
// https://wield.xyz
// SPDX-License-Identifier: UNLICENSED
/////////

pragma solidity >=0.8.4;

import "./IBaseRegistrar.sol";
import "./IBEBRegistry.sol";
import "./IRoyaltyController.sol";
import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

contract BaseRegistrar is ERC721, IBaseRegistrar, Ownable  {
    // A map of expiry times
    mapping(uint256=>uint) expiries;

    // The BEB registry
    IBEBRegistry public bebRegistry;
    // The Royalty Controller
    IRoyaltyController public royaltyController;
    // The namehash of the TLD this registrar owns (eg, .beb)
    bytes32 public baseNode;
    
    // A map of addresses that are authorised to register and renew names.
    mapping(address => bool) public controllers;

    // the grace period where the owner can renew but not reclaim the name
    uint256 public constant GRACE_PERIOD = 90 days;

    // The base metadata uri for the registrar
    string public baseURI;

    /**
     * v2.1.3 version of _isApprovedOrOwner which calls ownerOf(tokenId) and takes grace period into consideration instead of ERC721.ownerOf(tokenId);
     * https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v2.1.3/contracts/token/ERC721/ERC721.sol#L187
     * @dev Returns whether the given spender can transfer a given token ID
     * @param spender address of the spender to query
     * @param tokenId uint256 ID of the token to be transferred
     * @return bool whether the msg.sender is approved for the given token ID,
     *    is an operator of the owner, or is the owner of the token
     */
    function _isApprovedOrOwner(address spender, uint256 tokenId) internal view override returns (bool) {
        address owner = ownerOf(tokenId);
        return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender));
    }

    // // control the royalty information
    // function _beforeTokenTransfer(address from, address to, uint256 tokenId)
    //     internal virtual override
    // {
    //     (address royaltyAddress, uint256 royaltyAmount) = this.royaltyInfo(tokenId, msg.value);
    //     if (from == address(0)) {
    //         // if the from address is 0, then this is a transfer from the contract itself
    //         // so we don't need to do anything
    //         return;
    //     }
    //     payable(royaltyAddress).transfer(royaltyAmount); // transfer the royalty to the royalty receiver
    //     payable(to).transfer(msg.value - royaltyAmount); // transfer the rest to the receiver
    //     super._beforeTokenTransfer(from, to, tokenId); // Call parent hook;
    // }

    constructor(IBEBRegistry _bebRegistry, bytes32 _baseNode) ERC721("BEB","BEB") {
        bebRegistry = _bebRegistry;
        baseNode = _baseNode;
    }

    /** 
    * @dev make sure the owner of base TLD (i.e .beb) is of this registrar in the BEB registry
    */
    modifier live() {
        require(bebRegistry.owner(baseNode) == address(this));
        _;
    }


    modifier onlyController {
        require(controllers[msg.sender]);
        _;
    }

    /**
     * @dev Gets the owner of the specified token ID. Names become unowned
     *      when their registration expires.
     * @param tokenId uint256 ID of the token to query the owner of
     * @return address currently marked as the owner of the given token ID
     */
    function ownerOf(uint256 tokenId) public view override(IERC721, ERC721) returns (address) {
        require(expiries[tokenId] > block.timestamp);
        return super.ownerOf(tokenId);
    }

    // Authorises a controller, who can register and renew domains.
    function addController(address controller) external override onlyOwner {
        controllers[controller] = true;
    }

    // Revoke controller permission for an address.
    function removeController(address controller) external override onlyOwner {
        controllers[controller] = false;
    }

    // Returns the expiration timestamp of the specified id.
    function nameExpires(uint256 id) external view override returns(uint) {
        return expiries[id];
    }

    // Returns true iff the specified name is available for registration.
    function available(uint256 id) public view override returns(bool) {
        // Not available if it's registered here or in its grace period.
        return expiries[id] + GRACE_PERIOD < block.timestamp;
    }
    
    /**
     * @dev Register a name.
     * @param id The token ID (keccak256 of the label).
     * @param owner The address that should own the registration.
     * @param duration Duration in seconds for the registration.
     */
    function register(
        uint256 id,
        address owner,
        uint256 duration
    ) external override returns (uint256) {
        return _register(id, owner, duration, true);
    }

    /**
     * @dev Register a name, without modifying the registry.
     * @param id The token ID (keccak256 of the label).
     * @param owner The address that should own the registration.
     * @param duration Duration in seconds for the registration.
     */
    function registerOnly(
        uint256 id,
        address owner,
        uint256 duration
    ) external returns (uint256) {
        return _register(id, owner, duration, false);
    }

    function renew(uint256 id, uint duration) external override onlyController returns(uint) {
        require(expiries[id] + GRACE_PERIOD >= block.timestamp); // Name must be registered here or in grace period
        require(expiries[id] + duration + GRACE_PERIOD > duration + GRACE_PERIOD); // Prevent future overflow

        expiries[id] += duration;
        emit NameRenewed(id, expiries[id]);
        return expiries[id];
    }

    /**
    * Internal functions
     */

    function _register(uint256 id, address owner, uint duration, bool updateRegistry) internal live onlyController returns(uint) {
        require(available(id));
        require(block.timestamp + duration + GRACE_PERIOD > block.timestamp + GRACE_PERIOD); // Prevent future overflow

        expiries[id] = block.timestamp + duration;
        if(_exists(id)) {
            // Name was previously owned, and expired
            _burn(id);
        }
        _mint(owner, id);
        if (updateRegistry) {
            bebRegistry.setSubnodeOwner(baseNode, bytes32(id), owner);
        }

        emit NameRegistered(id, owner, block.timestamp + duration);

        return block.timestamp + duration;
    }

    /**
     * @dev Reclaim ownership of a name in ENS, if you own it in the registrar.
     */
    function reclaim(uint256 id, address owner) external live {
        require(_isApprovedOrOwner(msg.sender, id));
        bebRegistry.setSubnodeOwner(baseNode, bytes32(id), owner);
    }

    /**
     * @dev Modify the baseURI.
     * @param uri The new baseURI.
     */
    function setBaseURI(string calldata uri) external {
      return _setBaseURI(uri);
    }

    function _setBaseURI(string calldata uri) internal onlyOwner {
        baseURI = uri;
    }

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

    /**
     * @dev Modify the royaltyController.
     * @param _royaltyController The new royaltyController.
     */
    function setRoyaltyController(IRoyaltyController _royaltyController) external {
      return _setRoyaltyController(_royaltyController);
    }
        
    function _setRoyaltyController(IRoyaltyController _royaltyController) internal onlyOwner {
        royaltyController = _royaltyController;
    }

    function royaltyInfo(uint256 tokenId, uint256 salePrice) external view returns (address receiver, uint256 royaltyAmount) {
        return royaltyController.royaltyInfo(tokenId, salePrice);
    }
}

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.0;

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (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 {}

    /**
     * @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 {}

    /**
     * @dev Unsafe write access to the balances, used by extensions that "mint" tokens using an {ownerOf} override.
     *
     * WARNING: Anyone calling this MUST ensure that the balances remain consistent with the ownership. The invariant
     * being that for any address `a` the value returned by `balanceOf(a)` must be equal to the number of tokens such
     * that `ownerOf(tokenId)` is `a`.
     */
    // solhint-disable-next-line func-name-mixedcase
    function __unsafe_increaseBalance(address account, uint256 amount) internal {
        _balances[account] += amount;
    }
}

// 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 v4.9.0) (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 (last updated v4.9.0) (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
     *
     * Furthermore, `isContract` will also return true if the target contract within
     * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
     * which only has an effect at the end of a transaction.
     * ====
     *
     * [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://consensys.net/diligence/blog/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/v0.8.0/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 v4.4.1 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165.sol";

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

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

pragma solidity ^0.8.0;

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

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.0;

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

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

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

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

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

/////////
// Wield
// https://wield.xyz
// SPDX-License-Identifier: UNLICENSED
/////////

pragma solidity >=0.8.4;

import "./IBaseRegistrar.sol";
import "@openzeppelin/contracts/token/ERC721/IERC721.sol";

interface IBaseRegistrar is IERC721 {

    event ControllerAdded(address indexed controller);
    event ControllerRemoved(address indexed controller);
    event NameMigrated(
        uint256 indexed id,
        address indexed owner,
        uint256 expires
    );
    event NameRegistered(
        uint256 indexed id,
        address indexed owner,
        uint256 expires
    );
    event NameRenewed(uint256 indexed id, uint256 expires);
    // Authorises a controller, who can register and renew domains.
    function addController(address controller) external;

    // Revoke controller permission for an address.
    function removeController(address controller) external;

    // Returns the expiration timestamp of the specified label hash.
    function nameExpires(uint256 id) external view returns (uint256);

    // Returns true iff the specified name is available for registration.
    function available(uint256 id) external view returns (bool);

    /**
     * @dev Register a name.
     */
    function register(
        uint256 id,
        address owner,
        uint256 duration
    ) external returns (uint256);

    function renew(uint256 id, uint256 duration) external returns (uint256);
}

/////////
// Wield
// https://wield.xyz
// SPDX-License-Identifier: UNLICENSED
/////////

pragma solidity >=0.8.4;

interface IBEBRegistry {
    // Logged when the owner of a node assigns a new owner to a subnode.
    event NewOwner(bytes32 indexed node, bytes32 indexed label, address owner);

    // Logged when the owner of a node transfers ownership to a new account.
    event Transfer(bytes32 indexed node, address owner);

    // Logged when the TTL of a node changes
    event NewTTL(bytes32 indexed node, uint64 ttl);

    // Logged when an operator is added or removed.
    event ApprovalForAll(
        address indexed owner,
        address indexed operator,
        bool approved
    );

    function setRecord(
        bytes32 node,
        address owner,
        uint64 ttl
    ) external;

    function setSubnodeRecord(
        bytes32 node,
        bytes32 label,
        address owner,
        uint64 ttl
    ) external;

    function setSubnodeOwner(
        bytes32 node,
        bytes32 label,
        address owner
    ) external returns (bytes32);

    function setOwner(bytes32 node, address owner) external;

    function setTTL(bytes32 node, uint64 ttl) external;

    function setApprovalForAll(address operator, bool approved) external;

    function owner(bytes32 node) external view returns (address);

    function ttl(bytes32 node) external view returns (uint64);

    function recordExists(bytes32 node) external view returns (bool);

    function isApprovedForAll(address owner, address operator)
        external
        view
        returns (bool);
}

/////////
// Wield
// https://wield.xyz
// SPDX-License-Identifier: UNLICENSED
//////////////////

import "@openzeppelin/contracts/interfaces/IERC2981.sol";

pragma solidity >=0.8.4;

interface IRoyaltyController is IERC2981 {}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"contract IBEBRegistry","name":"_bebRegistry","type":"address"},{"internalType":"bytes32","name":"_baseNode","type":"bytes32"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"controller","type":"address"}],"name":"ControllerAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"controller","type":"address"}],"name":"ControllerRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"uint256","name":"expires","type":"uint256"}],"name":"NameMigrated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"uint256","name":"expires","type":"uint256"}],"name":"NameRegistered","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"expires","type":"uint256"}],"name":"NameRenewed","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":"GRACE_PERIOD","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"controller","type":"address"}],"name":"addController","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"available","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":"baseNode","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"bebRegistry","outputs":[{"internalType":"contract IBEBRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"controllers","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"nameExpires","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"address","name":"owner","type":"address"}],"name":"reclaim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"duration","type":"uint256"}],"name":"register","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"duration","type":"uint256"}],"name":"registerOnly","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"controller","type":"address"}],"name":"removeController","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"duration","type":"uint256"}],"name":"renew","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"royaltyController","outputs":[{"internalType":"contract IRoyaltyController","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"salePrice","type":"uint256"}],"name":"royaltyInfo","outputs":[{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"royaltyAmount","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"uri","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IRoyaltyController","name":"_royaltyController","type":"address"}],"name":"setRoyaltyController","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":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

000000000000000000000000c33b7ea6ebfbc32e8f84e5a648b0b822203d94686ee4ea63e9d3fcd59793a3fc7761ae1b43e3c6862ad5e89e41b8c6aafbf590b9

-----Decoded View---------------
Arg [0] : _bebRegistry (address): 0xc33B7eA6ebFBc32E8f84E5A648B0B822203d9468
Arg [1] : _baseNode (bytes32): 0x6ee4ea63e9d3fcd59793a3fc7761ae1b43e3c6862ad5e89e41b8c6aafbf590b9

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000c33b7ea6ebfbc32e8f84e5a648b0b822203d9468
Arg [1] : 6ee4ea63e9d3fcd59793a3fc7761ae1b43e3c6862ad5e89e41b8c6aafbf590b9