Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

//SPDX-License-Identifier: MIT
pragma solidity 0.8.9;

import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol";
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Burnable.sol";
import "@openzeppelin/contracts/utils/Context.sol";
import "@openzeppelin/contracts/access/AccessControlEnumerable.sol";
import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
import "@openzeppelin/contracts/utils/cryptography/draft-EIP712.sol";

contract EthereumTowers is
    Context,
    AccessControlEnumerable,
    ERC721Enumerable,
    ERC721Burnable,
    EIP712
{
    address immutable contractOwner;
    string private constant SIGNING_DOMAIN = "ETT_VOUCHER";
    string private constant SIGNATURE_VERSION = "1";
    bytes32 public constant WHITELISTED = keccak256("WHITELISTED");

    uint256 public MAX_ITEMS_IN_TOWER = 2178;
    string private _baseTokenURI = "https://ipfs.io/";
    uint256 public activeTower;
    uint256 public activeStage;
    uint256 public stagePrice;
    bool public isPrivateRound;
    uint256 public availableItemsOnRound;
    uint256 public participantCount = 0;
    uint256 public firstTowerCounter;
    uint256 public secondTowerCounter;
    string internal baseCid;
    address payable projectAddress;

    struct EttVoucher {
        uint256 tokenId;
        string uri;
        bytes signature;
    }

    mapping(address => bool) internal ownerOfToken;
    mapping(uint256 => bytes32) internal stageAccessRole;
    mapping(uint256 => bool) public tokenExists;

    constructor(
        string memory baseUri,
        string memory _baseCid,
        address _projectAddress
    )
        ERC721("EthereumTowers", "ETT")
        EIP712(SIGNING_DOMAIN, SIGNATURE_VERSION)
    {
        _baseTokenURI = baseUri;
        baseCid = _baseCid;
        activeStage = 0;
        activeTower = 1;
        contractOwner = msg.sender;
        projectAddress = payable(_projectAddress);
        _setupRole(DEFAULT_ADMIN_ROLE, _msgSender());
        _setupRole(WHITELISTED, _msgSender());
    }

    event MintingInfo(
        address to,
        uint256 tokenId,
        bool isPrivateRound,
        uint256 activeStage,
        uint256 stagePrice
    );

    function addStageRole(uint256 _stage, bytes32 _role) public {
        require(
            hasRole(DEFAULT_ADMIN_ROLE, _msgSender()),
            "EthereumTowers: must have admin role"
        );
        stageAccessRole[_stage] = _role;
    }

    function redeem(address redeemer, EttVoucher calldata ettvoucher)
        public
        payable
        returns (uint256)
    {
        require(!ownerOfToken[msg.sender], "User can have only one of the nft");
        address signer = _verify(ettvoucher);
        require(
            firstTowerCounter < MAX_ITEMS_IN_TOWER + 1,
            "Max tokens on the contract has already minted"
        );
        require(
            hasRole(WHITELISTED, signer),
            "Signature invalid or unauthorized"
        );
        require(activeTower == 1, "This phase has already ended!");

        _mint(signer, ettvoucher.tokenId);
        tokenExists[ettvoucher.tokenId] = true;

        _transfer(signer, redeemer, ettvoucher.tokenId);
        firstTowerCounter++;
        ownerOfToken[msg.sender] = true;
        return ettvoucher.tokenId;
    }

    function _hash(EttVoucher calldata ettvoucher)
        internal
        view
        returns (bytes32)
    {
        return
            _hashTypedDataV4(
                keccak256(
                    abi.encode(
                        keccak256("EttVoucher(uint256 tokenId,string uri)"),
                        ettvoucher.tokenId,
                        keccak256(bytes(ettvoucher.uri))
                    )
                )
            );
    }

    function getChainId() external view returns (uint256) {
        uint256 id;
        assembly {
            id := chainid()
        }
        return id;
    }

    function _verify(EttVoucher calldata ettvoucher)
        internal
        view
        returns (address)
    {
        bytes32 digest = _hash(ettvoucher);
        return ECDSA.recover(digest, ettvoucher.signature);
    }

    function tokenURI(uint256 tokenId)
        public
        view
        virtual
        override
        returns (string memory)
    {
        require(
            _exists(tokenId),
            "ERC721Metadata: URI query for nonexistent token"
        );

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

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

    function updateProjectAddress(address _newProjectAddress) public {
        require(
            hasRole(DEFAULT_ADMIN_ROLE, _msgSender()),
            "EthereumTowers: must have admin role"
        );
        projectAddress = payable(_newProjectAddress);
    }

    function changeStage(uint256 _stage, uint256 _stagePrice) external {
        require(
            hasRole(DEFAULT_ADMIN_ROLE, _msgSender()),
            "EthereumTowers: must have admin role"
        );
        activeStage = _stage;
        stagePrice = _stagePrice;
        participantCount = 0;
    }

    function changeRound(uint256 itemsForSale, bool privateRound) external {
        require(
            hasRole(DEFAULT_ADMIN_ROLE, _msgSender()),
            "EthereumTowers: must have admin role"
        );
        isPrivateRound = privateRound;
        availableItemsOnRound = itemsForSale;
    }

    function updateBaseCid(string memory _baseCid) external {
        require(
            hasRole(DEFAULT_ADMIN_ROLE, _msgSender()),
            "EthereumTowers: must have admin role"
        );
        baseCid = _baseCid;
    }

    function changeTower(uint256 _tower) external {
        require(
            hasRole(DEFAULT_ADMIN_ROLE, _msgSender()),
            "EthereumTowers: must have admin role"
        );
        require(
            _tower == 1 || _tower == 2,
            "Ethereum tower: available number 1 or 2"
        );
        activeTower = _tower;
    }

    function mint(
        address to,
        uint256 tokenId,
        uint256 stage
    ) public payable virtual returns (uint256) {
        if (activeTower == 1) {
            require(
                hasRole(stageAccessRole[stage], _msgSender()),
                "EthereumTowers: must have minter role to mint on this tower"
            );
            require(
                firstTowerCounter < MAX_ITEMS_IN_TOWER + 1,
                "Max tokens on the contract has already minted"
            );
            _mint(to, tokenId);
            tokenExists[tokenId] = true;
            ownerOfToken[to] = true;
            emit MintingInfo(
                to,
                tokenId,
                isPrivateRound,
                activeStage,
                stagePrice
            );
            return tokenId;
        }
        if (activeTower == 2) {
            require(activeStage == stage, "Incorrect stage");
            require(
                secondTowerCounter < MAX_ITEMS_IN_TOWER + 1,
                "Max tokens on the contract has already minted"
            );
            if (isPrivateRound) {
                require(
                    hasRole(stageAccessRole[stage], _msgSender()),
                    "EthereumTowers: must have minter role to mint on this tower"
                );
                require(
                    msg.value == stagePrice,
                    "You must send funds to mint on this tower"
                );
                require(!ownerOfToken[to], "User can have only one of the nft");
                require(
                    participantCount < availableItemsOnRound,
                    "Please wait for the next round to begin"
                );
                _mint(to, tokenId);
                tokenExists[tokenId] = true;
                ownerOfToken[to] = true;
                participantCount++;
                emit MintingInfo(
                    to,
                    tokenId,
                    isPrivateRound,
                    activeStage,
                    stagePrice
                );
                projectAddress.transfer(msg.value);
                return tokenId;
            } else {
                require(
                    msg.value == stagePrice,
                    "You must send funds to mint on this tower"
                );
                require(
                    !ownerOfToken[to],
                    "The user has already owns the token"
                );
                _mint(to, tokenId);
                tokenExists[tokenId] = true;
                ownerOfToken[to] = true;
                projectAddress.transfer(msg.value);
                emit MintingInfo(
                    to,
                    tokenId,
                    isPrivateRound,
                    activeStage,
                    stagePrice
                );
                return tokenId;
            }
        }
        return tokenId;
    }

    function batchRoles(address[] memory user, bytes32 role) public {
        require(
            hasRole(DEFAULT_ADMIN_ROLE, _msgSender()),
            "EthereumTowers: must have admin role"
        );
        for (uint256 i = 0; i < user.length; i++) {
            grantRole(role, user[i]);
        }
    }

    function mintBatch(address[] memory to, uint256[] memory id) public {
        require(
            hasRole(DEFAULT_ADMIN_ROLE, _msgSender()),
            "EthereumTowers: must have admin role"
        );
        require(to.length == id.length, "Please check address & id count");
        for (uint256 i = 0; i < id.length; i++) {
            _mint(to[i], id[i]);
            ownerOfToken[to[i]] = true;
            tokenExists[id[i]] = true;
        }
    }

    function mintByAdmin(address to, uint256 tokenId) public {
        require(
            hasRole(DEFAULT_ADMIN_ROLE, _msgSender()),
            "EthereumTowers: must have admin role"
        );
        _mint(to, tokenId);
        tokenExists[tokenId] = true;
    }

    function burn(uint256 tokenId) public virtual override {
        require(
            _isApprovedOrOwner(_msgSender(), tokenId),
            "EthereumTowers: caller is not owner nor approved."
        );
        _burn(tokenId);
    }

    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual override(ERC721, ERC721Enumerable) {
        super._beforeTokenTransfer(from, to, tokenId);
    }

    function supportsInterface(bytes4 interfaceId)
        public
        view
        virtual
        override(AccessControlEnumerable, ERC721, ERC721Enumerable)
        returns (bool)
    {
        return super.supportsInterface(interfaceId);
    }

    function owner() public view returns (address) {
        return contractOwner;
    }

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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: balance query for the zero address");
        return _balances[owner];
    }

    /**
     * @dev See {IERC721-ownerOf}.
     */
    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        address owner = _owners[tokenId];
        require(owner != address(0), "ERC721: owner query for nonexistent token");
        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) {
        require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");

        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 overriden 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 owner nor approved for all"
        );

        _approve(to, tokenId);
    }

    /**
     * @dev See {IERC721-getApproved}.
     */
    function getApproved(uint256 tokenId) public view virtual override returns (address) {
        require(_exists(tokenId), "ERC721: approved query for nonexistent token");

        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: transfer caller is not owner nor 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: transfer caller is not owner nor 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 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 _owners[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) {
        require(_exists(tokenId), "ERC721: operator query for nonexistent token");
        address owner = ERC721.ownerOf(tokenId);
        return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, 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);

        _balances[to] += 1;
        _owners[tokenId] = to;

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

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     *
     * Emits a {Transfer} event.
     */
    function _burn(uint256 tokenId) internal virtual {
        address owner = ERC721.ownerOf(tokenId);

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

        // Clear approvals
        _approve(address(0), tokenId);

        _balances[owner] -= 1;
        delete _owners[tokenId];

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

    /**
     * @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 of token that is not own");
        require(to != address(0), "ERC721: transfer to the zero address");

        _beforeTokenTransfer(from, to, tokenId);

        // Clear approvals from the previous owner
        _approve(address(0), tokenId);

        _balances[from] -= 1;
        _balances[to] += 1;
        _owners[tokenId] = to;

        emit Transfer(from, to, tokenId);
    }

    /**
     * @dev Approve `to` to operate on `tokenId`
     *
     * Emits a {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 a {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 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 {
                    assembly {
                        revert(add(32, reason), mload(reason))
                    }
                }
            }
        } else {
            return true;
        }
    }

    /**
     * @dev Hook that is called before any token transfer. This includes minting
     * and burning.
     *
     * 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, ``from``'s `tokenId` will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual {}
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/ERC721Enumerable.sol)

pragma solidity ^0.8.0;

import "../ERC721.sol";
import "./IERC721Enumerable.sol";

/**
 * @dev This implements an optional extension of {ERC721} defined in the EIP that adds
 * enumerability of all the token ids in the contract as well as all token ids owned by each
 * account.
 */
abstract contract ERC721Enumerable is ERC721, IERC721Enumerable {
    // Mapping from owner to list of owned token IDs
    mapping(address => mapping(uint256 => uint256)) private _ownedTokens;

    // Mapping from token ID to index of the owner tokens list
    mapping(uint256 => uint256) private _ownedTokensIndex;

    // Array with all token ids, used for enumeration
    uint256[] private _allTokens;

    // Mapping from token id to position in the allTokens array
    mapping(uint256 => uint256) private _allTokensIndex;

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721) returns (bool) {
        return interfaceId == type(IERC721Enumerable).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) {
        require(index < ERC721.balanceOf(owner), "ERC721Enumerable: owner index out of bounds");
        return _ownedTokens[owner][index];
    }

    /**
     * @dev See {IERC721Enumerable-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        return _allTokens.length;
    }

    /**
     * @dev See {IERC721Enumerable-tokenByIndex}.
     */
    function tokenByIndex(uint256 index) public view virtual override returns (uint256) {
        require(index < ERC721Enumerable.totalSupply(), "ERC721Enumerable: global index out of bounds");
        return _allTokens[index];
    }

    /**
     * @dev Hook that is called before any token transfer. This includes minting
     * and burning.
     *
     * 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, ``from``'s `tokenId` will be burned.
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual override {
        super._beforeTokenTransfer(from, to, tokenId);

        if (from == address(0)) {
            _addTokenToAllTokensEnumeration(tokenId);
        } else if (from != to) {
            _removeTokenFromOwnerEnumeration(from, tokenId);
        }
        if (to == address(0)) {
            _removeTokenFromAllTokensEnumeration(tokenId);
        } else if (to != from) {
            _addTokenToOwnerEnumeration(to, tokenId);
        }
    }

    /**
     * @dev Private function to add a token to this extension's ownership-tracking data structures.
     * @param to address representing the new owner of the given token ID
     * @param tokenId uint256 ID of the token to be added to the tokens list of the given address
     */
    function _addTokenToOwnerEnumeration(address to, uint256 tokenId) private {
        uint256 length = ERC721.balanceOf(to);
        _ownedTokens[to][length] = tokenId;
        _ownedTokensIndex[tokenId] = length;
    }

    /**
     * @dev Private function to add a token to this extension's token tracking data structures.
     * @param tokenId uint256 ID of the token to be added to the tokens list
     */
    function _addTokenToAllTokensEnumeration(uint256 tokenId) private {
        _allTokensIndex[tokenId] = _allTokens.length;
        _allTokens.push(tokenId);
    }

    /**
     * @dev Private function to remove a token from this extension's ownership-tracking data structures. Note that
     * while the token is not assigned a new owner, the `_ownedTokensIndex` mapping is _not_ updated: this allows for
     * gas optimizations e.g. when performing a transfer operation (avoiding double writes).
     * This has O(1) time complexity, but alters the order of the _ownedTokens array.
     * @param from address representing the previous owner of the given token ID
     * @param tokenId uint256 ID of the token to be removed from the tokens list of the given address
     */
    function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId) private {
        // To prevent a gap in from's tokens array, we store the last token in the index of the token to delete, and
        // then delete the last slot (swap and pop).

        uint256 lastTokenIndex = ERC721.balanceOf(from) - 1;
        uint256 tokenIndex = _ownedTokensIndex[tokenId];

        // When the token to delete is the last token, the swap operation is unnecessary
        if (tokenIndex != lastTokenIndex) {
            uint256 lastTokenId = _ownedTokens[from][lastTokenIndex];

            _ownedTokens[from][tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
            _ownedTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index
        }

        // This also deletes the contents at the last position of the array
        delete _ownedTokensIndex[tokenId];
        delete _ownedTokens[from][lastTokenIndex];
    }

    /**
     * @dev Private function to remove a token from this extension's token tracking data structures.
     * This has O(1) time complexity, but alters the order of the _allTokens array.
     * @param tokenId uint256 ID of the token to be removed from the tokens list
     */
    function _removeTokenFromAllTokensEnumeration(uint256 tokenId) private {
        // To prevent a gap in the tokens array, we store the last token in the index of the token to delete, and
        // then delete the last slot (swap and pop).

        uint256 lastTokenIndex = _allTokens.length - 1;
        uint256 tokenIndex = _allTokensIndex[tokenId];

        // When the token to delete is the last token, the swap operation is unnecessary. However, since this occurs so
        // rarely (when the last minted token is burnt) that we still do the swap here to avoid the gas cost of adding
        // an 'if' statement (like in _removeTokenFromOwnerEnumeration)
        uint256 lastTokenId = _allTokens[lastTokenIndex];

        _allTokens[tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
        _allTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index

        // This also deletes the contents at the last position of the array
        delete _allTokensIndex[tokenId];
        _allTokens.pop();
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/ERC721Burnable.sol)

pragma solidity ^0.8.0;

import "../ERC721.sol";
import "../../../utils/Context.sol";

/**
 * @title ERC721 Burnable Token
 * @dev ERC721 Token that can be irreversibly burned (destroyed).
 */
abstract contract ERC721Burnable is Context, ERC721 {
    /**
     * @dev Burns `tokenId`. See {ERC721-_burn}.
     *
     * Requirements:
     *
     * - The caller must own `tokenId` or be an approved operator.
     */
    function burn(uint256 tokenId) public virtual {
        //solhint-disable-next-line max-line-length
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721Burnable: caller is not owner nor approved");
        _burn(tokenId);
    }
}

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

pragma solidity ^0.8.0;

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/AccessControlEnumerable.sol)

pragma solidity ^0.8.0;

import "./IAccessControlEnumerable.sol";
import "./AccessControl.sol";
import "../utils/structs/EnumerableSet.sol";

/**
 * @dev Extension of {AccessControl} that allows enumerating the members of each role.
 */
abstract contract AccessControlEnumerable is IAccessControlEnumerable, AccessControl {
    using EnumerableSet for EnumerableSet.AddressSet;

    mapping(bytes32 => EnumerableSet.AddressSet) private _roleMembers;

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

    /**
     * @dev Returns one of the accounts that have `role`. `index` must be a
     * value between 0 and {getRoleMemberCount}, non-inclusive.
     *
     * Role bearers are not sorted in any particular way, and their ordering may
     * change at any point.
     *
     * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure
     * you perform all queries on the same block. See the following
     * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post]
     * for more information.
     */
    function getRoleMember(bytes32 role, uint256 index) public view override returns (address) {
        return _roleMembers[role].at(index);
    }

    /**
     * @dev Returns the number of accounts that have `role`. Can be used
     * together with {getRoleMember} to enumerate all bearers of a role.
     */
    function getRoleMemberCount(bytes32 role) public view override returns (uint256) {
        return _roleMembers[role].length();
    }

    /**
     * @dev Overload {_grantRole} to track enumerable memberships
     */
    function _grantRole(bytes32 role, address account) internal virtual override {
        super._grantRole(role, account);
        _roleMembers[role].add(account);
    }

    /**
     * @dev Overload {_revokeRole} to track enumerable memberships
     */
    function _revokeRole(bytes32 role, address account) internal virtual override {
        super._revokeRole(role, account);
        _roleMembers[role].remove(account);
    }
}

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

pragma solidity ^0.8.0;

import "../Strings.sol";

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    enum RecoverError {
        NoError,
        InvalidSignature,
        InvalidSignatureLength,
        InvalidSignatureS,
        InvalidSignatureV
    }

    function _throwError(RecoverError error) private pure {
        if (error == RecoverError.NoError) {
            return; // no error: do nothing
        } else if (error == RecoverError.InvalidSignature) {
            revert("ECDSA: invalid signature");
        } else if (error == RecoverError.InvalidSignatureLength) {
            revert("ECDSA: invalid signature length");
        } else if (error == RecoverError.InvalidSignatureS) {
            revert("ECDSA: invalid signature 's' value");
        } else if (error == RecoverError.InvalidSignatureV) {
            revert("ECDSA: invalid signature 'v' value");
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature` or error string. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
        // Check the signature length
        // - case 65: r,s,v signature (standard)
        // - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) _Available since v4.1._
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return tryRecover(hash, v, r, s);
        } else if (signature.length == 64) {
            bytes32 r;
            bytes32 vs;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            assembly {
                r := mload(add(signature, 0x20))
                vs := mload(add(signature, 0x40))
            }
            return tryRecover(hash, r, vs);
        } else {
            return (address(0), RecoverError.InvalidSignatureLength);
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature`. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     */
    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, signature);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address, RecoverError) {
        bytes32 s;
        uint8 v;
        assembly {
            s := and(vs, 0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff)
            v := add(shr(255, vs), 27)
        }
        return tryRecover(hash, v, r, s);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
     *
     * _Available since v4.2._
     */
    function recover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, r, vs);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
     * `r` and `s` signature fields separately.
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address, RecoverError) {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
            return (address(0), RecoverError.InvalidSignatureS);
        }
        if (v != 27 && v != 28) {
            return (address(0), RecoverError.InvalidSignatureV);
        }

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(hash, v, r, s);
        if (signer == address(0)) {
            return (address(0), RecoverError.InvalidSignature);
        }

        return (signer, RecoverError.NoError);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function recover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, v, r, s);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from a `hash`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
        // 32 is the length in bytes of hash,
        // enforced by the type signature above
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from `s`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s));
    }

    /**
     * @dev Returns an Ethereum Signed Typed Data, created from a
     * `domainSeparator` and a `structHash`. This produces hash corresponding
     * to the one signed with the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
     * JSON-RPC method as part of EIP-712.
     *
     * See {recover}.
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/cryptography/draft-EIP712.sol)

pragma solidity ^0.8.0;

import "./ECDSA.sol";

/**
 * @dev https://eips.ethereum.org/EIPS/eip-712[EIP 712] is a standard for hashing and signing of typed structured data.
 *
 * The encoding specified in the EIP is very generic, and such a generic implementation in Solidity is not feasible,
 * thus this contract does not implement the encoding itself. Protocols need to implement the type-specific encoding
 * they need in their contracts using a combination of `abi.encode` and `keccak256`.
 *
 * This contract implements the EIP 712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding
 * scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA
 * ({_hashTypedDataV4}).
 *
 * The implementation of the domain separator was designed to be as efficient as possible while still properly updating
 * the chain id to protect against replay attacks on an eventual fork of the chain.
 *
 * NOTE: This contract implements the version of the encoding known as "v4", as implemented by the JSON RPC method
 * https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask].
 *
 * _Available since v3.4._
 */
abstract contract EIP712 {
    /* solhint-disable var-name-mixedcase */
    // Cache the domain separator as an immutable value, but also store the chain id that it corresponds to, in order to
    // invalidate the cached domain separator if the chain id changes.
    bytes32 private immutable _CACHED_DOMAIN_SEPARATOR;
    uint256 private immutable _CACHED_CHAIN_ID;
    address private immutable _CACHED_THIS;

    bytes32 private immutable _HASHED_NAME;
    bytes32 private immutable _HASHED_VERSION;
    bytes32 private immutable _TYPE_HASH;

    /* solhint-enable var-name-mixedcase */

    /**
     * @dev Initializes the domain separator and parameter caches.
     *
     * The meaning of `name` and `version` is specified in
     * https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP 712]:
     *
     * - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol.
     * - `version`: the current major version of the signing domain.
     *
     * NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart
     * contract upgrade].
     */
    constructor(string memory name, string memory version) {
        bytes32 hashedName = keccak256(bytes(name));
        bytes32 hashedVersion = keccak256(bytes(version));
        bytes32 typeHash = keccak256(
            "EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"
        );
        _HASHED_NAME = hashedName;
        _HASHED_VERSION = hashedVersion;
        _CACHED_CHAIN_ID = block.chainid;
        _CACHED_DOMAIN_SEPARATOR = _buildDomainSeparator(typeHash, hashedName, hashedVersion);
        _CACHED_THIS = address(this);
        _TYPE_HASH = typeHash;
    }

    /**
     * @dev Returns the domain separator for the current chain.
     */
    function _domainSeparatorV4() internal view returns (bytes32) {
        if (address(this) == _CACHED_THIS && block.chainid == _CACHED_CHAIN_ID) {
            return _CACHED_DOMAIN_SEPARATOR;
        } else {
            return _buildDomainSeparator(_TYPE_HASH, _HASHED_NAME, _HASHED_VERSION);
        }
    }

    function _buildDomainSeparator(
        bytes32 typeHash,
        bytes32 nameHash,
        bytes32 versionHash
    ) private view returns (bytes32) {
        return keccak256(abi.encode(typeHash, nameHash, versionHash, block.chainid, address(this)));
    }

    /**
     * @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this
     * function returns the hash of the fully encoded EIP712 message for this domain.
     *
     * This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example:
     *
     * ```solidity
     * bytes32 digest = _hashTypedDataV4(keccak256(abi.encode(
     *     keccak256("Mail(address to,string contents)"),
     *     mailTo,
     *     keccak256(bytes(mailContents))
     * )));
     * address signer = ECDSA.recover(digest, signature);
     * ```
     */
    function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) {
        return ECDSA.toTypedDataHash(_domainSeparatorV4(), structHash);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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`, 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
    ) external;

    /**
     * @dev Transfers `tokenId` token 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;

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

    /**
     * @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 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);

    /**
     * @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;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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 `IERC721.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 v4.4.1 (utils/Address.sol)

pragma solidity ^0.8.0;

/**
 * @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
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 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 functionCall(target, data, "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");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(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) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(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) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason 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 {
            // 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

                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/Strings.sol)

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

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

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

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

// 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 v4.4.1 (token/ERC721/extensions/IERC721Enumerable.sol)

pragma solidity ^0.8.0;

import "../IERC721.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Enumerable is IERC721 {
    /**
     * @dev Returns the total amount of tokens stored by the contract.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns a token ID owned by `owner` at a given `index` of its token list.
     * Use along with {balanceOf} to enumerate all of ``owner``'s tokens.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256 tokenId);

    /**
     * @dev Returns a token ID at a given `index` of all the tokens stored by the contract.
     * Use along with {totalSupply} to enumerate all tokens.
     */
    function tokenByIndex(uint256 index) external view returns (uint256);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/IAccessControlEnumerable.sol)

pragma solidity ^0.8.0;

import "./IAccessControl.sol";

/**
 * @dev External interface of AccessControlEnumerable declared to support ERC165 detection.
 */
interface IAccessControlEnumerable is IAccessControl {
    /**
     * @dev Returns one of the accounts that have `role`. `index` must be a
     * value between 0 and {getRoleMemberCount}, non-inclusive.
     *
     * Role bearers are not sorted in any particular way, and their ordering may
     * change at any point.
     *
     * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure
     * you perform all queries on the same block. See the following
     * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post]
     * for more information.
     */
    function getRoleMember(bytes32 role, uint256 index) external view returns (address);

    /**
     * @dev Returns the number of accounts that have `role`. Can be used
     * together with {getRoleMember} to enumerate all bearers of a role.
     */
    function getRoleMemberCount(bytes32 role) external view returns (uint256);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/AccessControl.sol)

pragma solidity ^0.8.0;

import "./IAccessControl.sol";
import "../utils/Context.sol";
import "../utils/Strings.sol";
import "../utils/introspection/ERC165.sol";

/**
 * @dev Contract module that allows children to implement role-based access
 * control mechanisms. This is a lightweight version that doesn't allow enumerating role
 * members except through off-chain means by accessing the contract event logs. Some
 * applications may benefit from on-chain enumerability, for those cases see
 * {AccessControlEnumerable}.
 *
 * Roles are referred to by their `bytes32` identifier. These should be exposed
 * in the external API and be unique. The best way to achieve this is by
 * using `public constant` hash digests:
 *
 * ```
 * bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
 * ```
 *
 * Roles can be used to represent a set of permissions. To restrict access to a
 * function call, use {hasRole}:
 *
 * ```
 * function foo() public {
 *     require(hasRole(MY_ROLE, msg.sender));
 *     ...
 * }
 * ```
 *
 * Roles can be granted and revoked dynamically via the {grantRole} and
 * {revokeRole} functions. Each role has an associated admin role, and only
 * accounts that have a role's admin role can call {grantRole} and {revokeRole}.
 *
 * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
 * that only accounts with this role will be able to grant or revoke other
 * roles. More complex role relationships can be created by using
 * {_setRoleAdmin}.
 *
 * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
 * grant and revoke this role. Extra precautions should be taken to secure
 * accounts that have been granted it.
 */
abstract contract AccessControl is Context, IAccessControl, ERC165 {
    struct RoleData {
        mapping(address => bool) members;
        bytes32 adminRole;
    }

    mapping(bytes32 => RoleData) private _roles;

    bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;

    /**
     * @dev Modifier that checks that an account has a specific role. Reverts
     * with a standardized message including the required role.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     *
     * _Available since v4.1._
     */
    modifier onlyRole(bytes32 role) {
        _checkRole(role, _msgSender());
        _;
    }

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

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) public view override returns (bool) {
        return _roles[role].members[account];
    }

    /**
     * @dev Revert with a standard message if `account` is missing `role`.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     */
    function _checkRole(bytes32 role, address account) internal view {
        if (!hasRole(role, account)) {
            revert(
                string(
                    abi.encodePacked(
                        "AccessControl: account ",
                        Strings.toHexString(uint160(account), 20),
                        " is missing role ",
                        Strings.toHexString(uint256(role), 32)
                    )
                )
            );
        }
    }

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) public view override returns (bytes32) {
        return _roles[role].adminRole;
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
        _grantRole(role, account);
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
        _revokeRole(role, account);
    }

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been revoked `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     */
    function renounceRole(bytes32 role, address account) public virtual override {
        require(account == _msgSender(), "AccessControl: can only renounce roles for self");

        _revokeRole(role, account);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event. Note that unlike {grantRole}, this function doesn't perform any
     * checks on the calling account.
     *
     * [WARNING]
     * ====
     * This function should only be called from the constructor when setting
     * up the initial roles for the system.
     *
     * Using this function in any other way is effectively circumventing the admin
     * system imposed by {AccessControl}.
     * ====
     *
     * NOTE: This function is deprecated in favor of {_grantRole}.
     */
    function _setupRole(bytes32 role, address account) internal virtual {
        _grantRole(role, account);
    }

    /**
     * @dev Sets `adminRole` as ``role``'s admin role.
     *
     * Emits a {RoleAdminChanged} event.
     */
    function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
        bytes32 previousAdminRole = getRoleAdmin(role);
        _roles[role].adminRole = adminRole;
        emit RoleAdminChanged(role, previousAdminRole, adminRole);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * Internal function without access restriction.
     */
    function _grantRole(bytes32 role, address account) internal virtual {
        if (!hasRole(role, account)) {
            _roles[role].members[account] = true;
            emit RoleGranted(role, account, _msgSender());
        }
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * Internal function without access restriction.
     */
    function _revokeRole(bytes32 role, address account) internal virtual {
        if (hasRole(role, account)) {
            _roles[role].members[account] = false;
            emit RoleRevoked(role, account, _msgSender());
        }
    }
}

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

pragma solidity ^0.8.0;

/**
 * @dev Library for managing
 * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
 * types.
 *
 * Sets have the following properties:
 *
 * - Elements are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Elements are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```
 * contract Example {
 *     // Add the library methods
 *     using EnumerableSet for EnumerableSet.AddressSet;
 *
 *     // Declare a set state variable
 *     EnumerableSet.AddressSet private mySet;
 * }
 * ```
 *
 * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
 * and `uint256` (`UintSet`) are supported.
 */
library EnumerableSet {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.

    struct Set {
        // Storage of set values
        bytes32[] _values;
        // Position of the value in the `values` array, plus 1 because index 0
        // means a value is not in the set.
        mapping(bytes32 => uint256) _indexes;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function _add(Set storage set, bytes32 value) private returns (bool) {
        if (!_contains(set, value)) {
            set._values.push(value);
            // The value is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            set._indexes[value] = set._values.length;
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function _remove(Set storage set, bytes32 value) private returns (bool) {
        // We read and store the value's index to prevent multiple reads from the same storage slot
        uint256 valueIndex = set._indexes[value];

        if (valueIndex != 0) {
            // Equivalent to contains(set, value)
            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
            // the array, and then remove the last element (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 toDeleteIndex = valueIndex - 1;
            uint256 lastIndex = set._values.length - 1;

            if (lastIndex != toDeleteIndex) {
                bytes32 lastvalue = set._values[lastIndex];

                // Move the last value to the index where the value to delete is
                set._values[toDeleteIndex] = lastvalue;
                // Update the index for the moved value
                set._indexes[lastvalue] = valueIndex; // Replace lastvalue's index to valueIndex
            }

            // Delete the slot where the moved value was stored
            set._values.pop();

            // Delete the index for the deleted slot
            delete set._indexes[value];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function _contains(Set storage set, bytes32 value) private view returns (bool) {
        return set._indexes[value] != 0;
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function _length(Set storage set) private view returns (uint256) {
        return set._values.length;
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function _at(Set storage set, uint256 index) private view returns (bytes32) {
        return set._values[index];
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function _values(Set storage set) private view returns (bytes32[] memory) {
        return set._values;
    }

    // Bytes32Set

    struct Bytes32Set {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _add(set._inner, value);
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _remove(set._inner, value);
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
        return _contains(set._inner, value);
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(Bytes32Set storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
        return _at(set._inner, index);
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {
        return _values(set._inner);
    }

    // AddressSet

    struct AddressSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(AddressSet storage set, address value) internal returns (bool) {
        return _add(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(AddressSet storage set, address value) internal returns (bool) {
        return _remove(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(AddressSet storage set, address value) internal view returns (bool) {
        return _contains(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(AddressSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(AddressSet storage set, uint256 index) internal view returns (address) {
        return address(uint160(uint256(_at(set._inner, index))));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(AddressSet storage set) internal view returns (address[] memory) {
        bytes32[] memory store = _values(set._inner);
        address[] memory result;

        assembly {
            result := store
        }

        return result;
    }

    // UintSet

    struct UintSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UintSet storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UintSet storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UintSet storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function length(UintSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(UintSet storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(UintSet storage set) internal view returns (uint256[] memory) {
        bytes32[] memory store = _values(set._inner);
        uint256[] memory result;

        assembly {
            result := store
        }

        return result;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol)

pragma solidity ^0.8.0;

/**
 * @dev External interface of AccessControl declared to support ERC165 detection.
 */
interface IAccessControl {
    /**
     * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
     *
     * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
     * {RoleAdminChanged} not being emitted signaling this.
     *
     * _Available since v3.1._
     */
    event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);

    /**
     * @dev Emitted when `account` is granted `role`.
     *
     * `sender` is the account that originated the contract call, an admin role
     * bearer except when using {AccessControl-_setupRole}.
     */
    event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Emitted when `account` is revoked `role`.
     *
     * `sender` is the account that originated the contract call:
     *   - if using `revokeRole`, it is the admin role bearer
     *   - if using `renounceRole`, it is the role bearer (i.e. `account`)
     */
    event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) external view returns (bool);

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {AccessControl-_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) external view returns (bytes32);

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function grantRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function revokeRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been granted `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     */
    function renounceRole(bytes32 role, address account) external;
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"string","name":"baseUri","type":"string"},{"internalType":"string","name":"_baseCid","type":"string"},{"internalType":"address","name":"_projectAddress","type":"address"}],"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":false,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"bool","name":"isPrivateRound","type":"bool"},{"indexed":false,"internalType":"uint256","name":"activeStage","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"stagePrice","type":"uint256"}],"name":"MintingInfo","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"previousAdminRole","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"newAdminRole","type":"bytes32"}],"name":"RoleAdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleGranted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleRevoked","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":"DEFAULT_ADMIN_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_ITEMS_IN_TOWER","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"WHITELISTED","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"activeStage","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"activeTower","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_stage","type":"uint256"},{"internalType":"bytes32","name":"_role","type":"bytes32"}],"name":"addStageRole","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":[],"name":"availableItemsOnRound","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"user","type":"address[]"},{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"batchRoles","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"itemsForSale","type":"uint256"},{"internalType":"bool","name":"privateRound","type":"bool"}],"name":"changeRound","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_stage","type":"uint256"},{"internalType":"uint256","name":"_stagePrice","type":"uint256"}],"name":"changeStage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tower","type":"uint256"}],"name":"changeTower","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"firstTowerCounter","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getChainId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleAdmin","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getRoleMember","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleMemberCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"grantRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"hasRole","outputs":[{"internalType":"bool","name":"","type":"bool"}],"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":"isPrivateRound","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"stage","type":"uint256"}],"name":"mint","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address[]","name":"to","type":"address[]"},{"internalType":"uint256[]","name":"id","type":"uint256[]"}],"name":"mintBatch","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"mintByAdmin","outputs":[],"stateMutability":"nonpayable","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":"participantCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"redeemer","type":"address"},{"components":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"string","name":"uri","type":"string"},{"internalType":"bytes","name":"signature","type":"bytes"}],"internalType":"struct EthereumTowers.EttVoucher","name":"ettvoucher","type":"tuple"}],"name":"redeem","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"revokeRole","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":"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":[],"name":"secondTowerCounter","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":"stagePrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"tokenExists","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_baseCid","type":"string"}],"name":"updateBaseCid","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newProjectAddress","type":"address"}],"name":"updateProjectAddress","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

-----Decoded View---------------
Arg [0] : baseUri (string): https://ipfs.io/ipfs/
Arg [1] : _baseCid (string): QmRE6Uz3CPiEHebusH1sY9s6Qim6FxzJGK1boShBPtbhCC
Arg [2] : _projectAddress (address): 0x5db98bcec45Ee95e0b45216BD98BceC690205e4b

-----Encoded View---------------
8 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [1] : 00000000000000000000000000000000000000000000000000000000000000a0
Arg [2] : 0000000000000000000000005db98bcec45ee95e0b45216bd98bcec690205e4b
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000015
Arg [4] : 68747470733a2f2f697066732e696f2f697066732f0000000000000000000000
Arg [5] : 000000000000000000000000000000000000000000000000000000000000002e
Arg [6] : 516d524536557a334350694548656275734831735939733651696d3646787a4a
Arg [7] : 474b31626f536842507462684343000000000000000000000000000000000000