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// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

import {Initializable} from "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
import {OwnableUpgradeable} from "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
import {CountersUpgradeable} from "@openzeppelin/contracts-upgradeable/utils/CountersUpgradeable.sol";
import {ERC721Upgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC721/ERC721Upgradeable.sol";
import {ERC721EnumerableUpgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC721/extensions/ERC721EnumerableUpgradeable.sol";
import {StringsUpgradeable} from "@openzeppelin/contracts-upgradeable/utils/StringsUpgradeable.sol";
import {ReentrancyGuardUpgradeable} from "@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol";
import {IAnomuraData} from "./AnomuraData.sol";

import { IUniversalEquipmentManager } from "./UniversalEquipmentManager.sol";

interface IAnomura {
    function ownerOf(uint256 tokenId) external view returns (address);
}

/// @notice Anomura contract
/// Allow a bowl owner to hatch an anomura
contract Anomura is
    Initializable,
    ERC721Upgradeable,
    ERC721EnumerableUpgradeable,
    ReentrancyGuardUpgradeable,
    OwnableUpgradeable
{
    IAnomuraData public anomuraData;
    using CountersUpgradeable for CountersUpgradeable.Counter;
    CountersUpgradeable.Counter private _tokenIds;

    string private baseURI;

    /// @dev Emit an event when the contract is deployed
    event ContractDeployed(address owner);

    /// @dev Emit an event so an offchain source can build the metadata URI
    event NewAnomura(
        uint256 indexed crabId,
        string claws,
        string legs,
        string body,
        string shell,
        string background,
        string headpieces
    );

    /// @dev Emit an event when bowl address changed
    event UpdatedBowlContractAddress(address bowlAddress, address sender);

    /// @dev Emit an event when public sale is changed
    event UpdatedPauseContract(bool isPaused, address updatedBy);

    address public bowlAddress;
    bytes32 internal entropyMix;

    struct AnomuraEntity {
        string body;
        string claws;
        string legs;
        string shell;
        string headPieces;
        string background;
    }

    /**
     * @dev Keep track of Anomura from tokenId
     */
    mapping(uint256 => AnomuraEntity) public anomuraMap;

    bool public isPaused;

    IUniversalEquipmentManager public universalEquipmentManager;

    // ============ ACCESS CONTROL/SANITY MODIFIERS ============

    /**
     * @dev Throws if called when contract is paused.
     */
    modifier isNotPaused() {
        require(isPaused == false, "Contract is paused");
        _;
    }

    /// @notice Only bowl contract can call the function
    /// if succeed, use the last address hash to add entropy to next address who calls the function
    modifier onlyBowlContract() {
        require(msg.sender == bowlAddress, "Can only be called by Bowl");
        _;
    }

    modifier isTokenExists(uint256 _tokenId) {
        require(_exists(_tokenId), "Non existed token");
        _;
    }

    function initialize(
        address _bowlAddress,
        address _anomuraDataAddress,
        string calldata _baseURI
    ) external initializer {
        require(_bowlAddress != address(0x0), "Bowl contract address is 0");
        require(
            _anomuraDataAddress != address(0x0),
            "Anomura Data address is 0"
        );
        __ERC721_init("Anomura", "ANOMURA");
        __ERC721Enumerable_init();
        __ReentrancyGuard_init();
        __Ownable_init();

        baseURI = _baseURI;
        bowlAddress = _bowlAddress;
        anomuraData = IAnomuraData(_anomuraDataAddress);
        isPaused = false;

        // to start tokenId at 1, instead of 0.
        _tokenIds.increment();

        // emit event contract is deployed
        emit ContractDeployed(msg.sender);
    }

    /// @notice Generate random uint256
    /// @return Random uint256
    function random(string memory input) internal view returns (uint256) {
        return
            uint256(
                keccak256(
                    abi.encodePacked(
                        input,
                        tx.gasprice,
                        msg.sender,
                        block.timestamp,
                        block.basefee,
                        blockhash(block.number - 1),
                        entropyMix
                    )
                )
            );
    }

    /**
    @notice return anomura part as string
    a. We generate a random number, then modulo 94 to get a greatness value.
    b. 
        If greatness > 92, ~1.07% chance then the output would have an unique part.
        If greatness > 83, ~10.64% chance then the output would have prefix, and suffix.
        If greatness > 74, ~20.22% chance then the output would have suffix only.
        If greatness > 65, ~29.79% chance then the output would have prefix only.
        Else the output would only contain the name of the part, a val within the sourceArray
    */
    function pluck(
        uint256 tokenId,
        string memory keyPrefix,
        string[] memory sourceArray,
        string[] memory prefixes,
        string[] memory suffixes,
        string[] memory unique
    ) internal view returns (string memory) {
        uint256 rand = random(
            string(
                abi.encodePacked(
                    keyPrefix,
                    StringsUpgradeable.toString(tokenId)
                )
            )
        );
        string memory output = sourceArray[rand % sourceArray.length];
        uint256 greatness = rand % 94;

        if (greatness > 92) {
            output = string(
                abi.encodePacked(unique[rand % unique.length], " ", output)
            );
            return output;
        }

        if (greatness > 83) {
            output = string(
                abi.encodePacked(
                    prefixes[rand % prefixes.length],
                    " ",
                    output,
                    " ",
                    suffixes[rand % suffixes.length]
                )
            );
            return output;
        }

        if (greatness > 74) {
            output = string(
                abi.encodePacked(output, " ", suffixes[rand % suffixes.length])
            );
            return output;
        }

        if (greatness > 65) {
            output = string(
                abi.encodePacked(prefixes[rand % prefixes.length], " ", output)
            );
            return output;
        }
        // does not have any special attributes
        return output;
    }

    /**
    @notice return background part as string output
    a. We generate a random number, then modulo 51 to get a greatness value.
    b. 
        If greatness > 45, ~10% chance then the output would have background prefix.
        Else the output would only contain the name of the part, a val within the sourceArray
    */
    function pluckBackground(
        uint256 tokenId,
        string memory keyPrefix,
        string[] memory sourceArray,
        string[] memory backgroundPrefixes
    ) internal view returns (string memory) {
        uint256 rand = random(
            string(
                abi.encodePacked(
                    keyPrefix,
                    StringsUpgradeable.toString(tokenId)
                )
            )
        );
        string memory output = sourceArray[rand % sourceArray.length];
        uint256 greatness = rand % 51;

        if (greatness > 45) {
            output = string(
                abi.encodePacked(
                    backgroundPrefixes[rand % backgroundPrefixes.length],
                    " ",
                    output
                )
            );
        }

        return output;
    }

    /**
        @notice return true or false
        Initial hasHeadpiece is false by default.
        4% of having headpiece
    */
    function shouldHaveHeadpieces(uint256 tokenId, string memory keyPrefix)
        internal
        view
        returns (bool hasHeadpiece)
    {
        uint256 rand = random(
            string(
                abi.encodePacked(
                    keyPrefix,
                    StringsUpgradeable.toString(tokenId)
                )
            )
        ) % 101;

        if (rand > 95) {
            hasHeadpiece = true;
        }

        return hasHeadpiece;
    }

    /**
    @notice To set new baseURI for tokenId
    @param _baseURI new baseURI
    */
    function setBaseURI(string calldata _baseURI) external onlyOwner {
        baseURI = _baseURI;
    }

    function tokenURI(uint256 tokenId)
        public
        view
        override
        returns (string memory)
    {
        require(_exists(tokenId), "Nonexistent token");
        return
            string(
                abi.encodePacked(baseURI, StringsUpgradeable.toString(tokenId))
            );
    }

    /**
    @notice mint an anomura, only owner can call this function
    @param _address Address of who's going to receive the token
    We generate each part of the anomura, and store in the mapping to be viewed later
    */
    function ownerMintAnomura(address _address)
        external
        isNotPaused
        nonReentrant
        onlyOwner
    {
        require(
            address(anomuraData) != address(0x0),
            "Anomura data address is 0"
        );

        entropyMix = keccak256(abi.encodePacked(_address, block.coinbase));
        uint256 newTokenId = _tokenIds.current();

        IAnomuraData.Data memory data;
        data = anomuraData.getAnomuraData();

        string memory generatedClaws = pluck(
            newTokenId,
            "CLAW",
            data.claws,
            data.prefixes,
            data.suffixes,
            data.unique
        );
        string memory generatedLegs = pluck(
            newTokenId,
            "LEG",
            data.legs,
            data.prefixes,
            data.suffixes,
            data.unique
        );
        string memory generatedBody = pluck(
            newTokenId,
            "BODY",
            data.body,
            data.prefixes,
            data.suffixes,
            data.unique
        );
        string memory generatedShell = pluck(
            newTokenId,
            "SHELL",
            data.shell,
            data.prefixes,
            data.suffixes,
            data.unique
        );
        string memory generatedBackground = pluckBackground(
            newTokenId,
            "BACKGROUND",
            data.background,
            data.backgroundPrefixes
        );

        bool hasHeadpiece = shouldHaveHeadpieces(newTokenId, "HAVE_HEADPIECE");
        string memory generatedHeadPieces = hasHeadpiece == true
            ? pluck(
                newTokenId,
                "HEADPIECE",
                data.headPieces,
                data.prefixes,
                data.suffixes,
                data.unique
            )
            : "None";

        anomuraMap[newTokenId] = AnomuraEntity({
            body: generatedBody,
            claws: generatedClaws,
            legs: generatedLegs,
            shell: generatedShell,
            headPieces: generatedHeadPieces,
            background: generatedBackground
        });

        _tokenIds.increment();
        _safeMint(_address, newTokenId);

        emit NewAnomura(
            newTokenId,
            generatedClaws,
            generatedLegs,
            generatedBody,
            generatedShell,
            generatedBackground,
            generatedHeadPieces
        );
    }

    /**
    @notice mint an anomura, only Bowl Contract can call this function
    @param _address Address of who's going to receive the token
    We generate each part of the anomura, and store in the mapping to be viewed later
    */
    function mintAnomura(address _address)
        external
        isNotPaused
        nonReentrant
        onlyBowlContract
        returns (uint256 anomuraId)
    {
        require(
            address(anomuraData) != address(0x0),
            "Anomura data address is 0"
        );

        entropyMix = keccak256(abi.encodePacked(_address, block.coinbase));
        anomuraId = _tokenIds.current();

        IAnomuraData.Data memory data;
        data = anomuraData.getAnomuraData();

        string memory generatedClaws = pluck(
            anomuraId,
            "CLAW",
            data.claws,
            data.prefixes,
            data.suffixes,
            data.unique
        );
        string memory generatedLegs = pluck(
            anomuraId,
            "LEG",
            data.legs,
            data.prefixes,
            data.suffixes,
            data.unique
        );
        string memory generatedBody = pluck(
            anomuraId,
            "BODY",
            data.body,
            data.prefixes,
            data.suffixes,
            data.unique
        );
        string memory generatedShell = pluck(
            anomuraId,
            "SHELL",
            data.shell,
            data.prefixes,
            data.suffixes,
            data.unique
        );
        string memory generatedBackground = pluckBackground(
            anomuraId,
            "BACKGROUND",
            data.background,
            data.backgroundPrefixes
        );

        bool hasHeadpiece = shouldHaveHeadpieces(anomuraId, "HAVE_HEADPIECE");
        string memory generatedHeadPieces = hasHeadpiece == true
            ? pluck(
                anomuraId,
                "HEADPIECE",
                data.headPieces,
                data.prefixes,
                data.suffixes,
                data.unique
            )
            : "None";

        anomuraMap[anomuraId] = AnomuraEntity({
            body: generatedBody,
            claws: generatedClaws,
            legs: generatedLegs,
            shell: generatedShell,
            headPieces: generatedHeadPieces,
            background: generatedBackground
        });

        _tokenIds.increment();
        _safeMint(_address, anomuraId);

        emit NewAnomura(
            anomuraId,
            generatedClaws,
            generatedLegs,
            generatedBody,
            generatedShell,
            generatedBackground,
            generatedHeadPieces
        );
    }

    function tokensOfOwner(address _ownerAddr)
        external
        view
        returns (uint256[] memory)
    {
        uint256 tokenCount = balanceOf(_ownerAddr); // number of token owned by this address
        uint256[] memory tokenIds = new uint256[](tokenCount); // array should be same as number of token owned

        for (uint256 i = 0; i < tokenCount; i++) {
            tokenIds[i] = tokenOfOwnerByIndex(_ownerAddr, i);
        }

        return tokenIds;
    }

    /**
    @notice withdraw current balance to msg.sender address
    */
    function withdrawAvailableBalance() external onlyOwner {
        uint256 balance = address(this).balance;
        payable(msg.sender).transfer(balance);
    }

    /**
    @notice Manual set the address of the Bowl contract deployed
    @param _bowlAddress Bowl's address deployed
    */
    function setBowlAddress(address _bowlAddress) external onlyOwner {
        // require(address(anomuraContract) == address(0x0), "The anomura address has been set before.");
        // accidentally we may put a wrong address and we cannot revert so comment out the require
        bowlAddress = _bowlAddress;
        emit UpdatedBowlContractAddress(_bowlAddress, msg.sender);
    }

    /**
    @notice Manual set the address of the Anomura Data contract deployed
    @param _anomuraDataAddress Bowl's address deployed
    */
    function setAnomuraData(address _anomuraDataAddress) external onlyOwner {
        anomuraData = IAnomuraData(_anomuraDataAddress);
    }

    /**
    @notice Change status of isPaused, to pause all minting functions
    @param _isPaused boolean to pause
    */
    function setContractPaused(bool _isPaused) external onlyOwner {
        isPaused = _isPaused;
        emit UpdatedPauseContract(_isPaused, msg.sender);
    }

    function setUniversalManager(address universalManager_) external onlyOwner {
        universalEquipmentManager = IUniversalEquipmentManager(universalManager_);
    }

    // The following functions are overrides required by Solidity.
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal override(ERC721Upgradeable, ERC721EnumerableUpgradeable) {

        uint256 _lastActionOfAnomura = universalEquipmentManager.getLastActionOnNft(address(this), tokenId);
    
        if((_lastActionOfAnomura + 4) > block.number){
            revert("No transfer right after action");
        }
        super._beforeTokenTransfer(from, to, tokenId);
    }

    function supportsInterface(bytes4 interfaceId)
        public
        view
        override(ERC721Upgradeable, ERC721EnumerableUpgradeable)
        returns (bool)
    {
        return super.supportsInterface(interfaceId);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (access/AccessControlEnumerable.sol)

pragma solidity ^0.8.0;

import "./IAccessControlEnumerableUpgradeable.sol";
import "./AccessControlUpgradeable.sol";
import "../utils/structs/EnumerableSetUpgradeable.sol";
import "../proxy/utils/Initializable.sol";

/**
 * @dev Extension of {AccessControl} that allows enumerating the members of each role.
 */
abstract contract AccessControlEnumerableUpgradeable is Initializable, IAccessControlEnumerableUpgradeable, AccessControlUpgradeable {
    function __AccessControlEnumerable_init() internal onlyInitializing {
    }

    function __AccessControlEnumerable_init_unchained() internal onlyInitializing {
    }
    using EnumerableSetUpgradeable for EnumerableSetUpgradeable.AddressSet;

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

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

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[49] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/AccessControl.sol)

pragma solidity ^0.8.0;

import "./IAccessControlUpgradeable.sol";
import "../utils/ContextUpgradeable.sol";
import "../utils/StringsUpgradeable.sol";
import "../utils/introspection/ERC165Upgradeable.sol";
import "../proxy/utils/Initializable.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 AccessControlUpgradeable is Initializable, ContextUpgradeable, IAccessControlUpgradeable, ERC165Upgradeable {
    function __AccessControl_init() internal onlyInitializing {
    }

    function __AccessControl_init_unchained() internal onlyInitializing {
    }
    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);
        _;
    }

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

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

    /**
     * @dev Revert with a standard message if `_msgSender()` is missing `role`.
     * Overriding this function changes the behavior of the {onlyRole} modifier.
     *
     * Format of the revert message is described in {_checkRole}.
     *
     * _Available since v4.6._
     */
    function _checkRole(bytes32 role) internal view virtual {
        _checkRole(role, _msgSender());
    }

    /**
     * @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 virtual {
        if (!hasRole(role, account)) {
            revert(
                string(
                    abi.encodePacked(
                        "AccessControl: account ",
                        StringsUpgradeable.toHexString(uint160(account), 20),
                        " is missing role ",
                        StringsUpgradeable.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 virtual 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.
     *
     * May emit a {RoleGranted} event.
     */
    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.
     *
     * May emit a {RoleRevoked} event.
     */
    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`.
     *
     * May emit a {RoleRevoked} event.
     */
    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.
     *
     * May emit a {RoleGranted} event.
     *
     * [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.
     *
     * May emit a {RoleGranted} event.
     */
    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.
     *
     * May emit a {RoleRevoked} event.
     */
    function _revokeRole(bytes32 role, address account) internal virtual {
        if (hasRole(role, account)) {
            _roles[role].members[account] = false;
            emit RoleRevoked(role, account, _msgSender());
        }
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[49] private __gap;
}

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

pragma solidity ^0.8.0;

import "./IAccessControlUpgradeable.sol";

/**
 * @dev External interface of AccessControlEnumerable declared to support ERC165 detection.
 */
interface IAccessControlEnumerableUpgradeable is IAccessControlUpgradeable {
    /**
     * @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/IAccessControl.sol)

pragma solidity ^0.8.0;

/**
 * @dev External interface of AccessControl declared to support ERC165 detection.
 */
interface IAccessControlUpgradeable {
    /**
     * @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;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../utils/ContextUpgradeable.sol";
import "../proxy/utils/Initializable.sol";

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

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    function __Ownable_init() internal onlyInitializing {
        __Ownable_init_unchained();
    }

    function __Ownable_init_unchained() internal onlyInitializing {
        _transferOwnership(_msgSender());
    }

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

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

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

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

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

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

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[49] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (proxy/utils/Initializable.sol)

pragma solidity ^0.8.2;

import "../../utils/AddressUpgradeable.sol";

/**
 * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
 * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an
 * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
 * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
 *
 * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be
 * reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in
 * case an upgrade adds a module that needs to be initialized.
 *
 * For example:
 *
 * [.hljs-theme-light.nopadding]
 * ```
 * contract MyToken is ERC20Upgradeable {
 *     function initialize() initializer public {
 *         __ERC20_init("MyToken", "MTK");
 *     }
 * }
 * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {
 *     function initializeV2() reinitializer(2) public {
 *         __ERC20Permit_init("MyToken");
 *     }
 * }
 * ```
 *
 * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
 * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
 *
 * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
 * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
 *
 * [CAUTION]
 * ====
 * Avoid leaving a contract uninitialized.
 *
 * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
 * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke
 * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:
 *
 * [.hljs-theme-light.nopadding]
 * ```
 * /// @custom:oz-upgrades-unsafe-allow constructor
 * constructor() {
 *     _disableInitializers();
 * }
 * ```
 * ====
 */
abstract contract Initializable {
    /**
     * @dev Indicates that the contract has been initialized.
     * @custom:oz-retyped-from bool
     */
    uint8 private _initialized;

    /**
     * @dev Indicates that the contract is in the process of being initialized.
     */
    bool private _initializing;

    /**
     * @dev Triggered when the contract has been initialized or reinitialized.
     */
    event Initialized(uint8 version);

    /**
     * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,
     * `onlyInitializing` functions can be used to initialize parent contracts. Equivalent to `reinitializer(1)`.
     */
    modifier initializer() {
        bool isTopLevelCall = !_initializing;
        require(
            (isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1),
            "Initializable: contract is already initialized"
        );
        _initialized = 1;
        if (isTopLevelCall) {
            _initializing = true;
        }
        _;
        if (isTopLevelCall) {
            _initializing = false;
            emit Initialized(1);
        }
    }

    /**
     * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the
     * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be
     * used to initialize parent contracts.
     *
     * `initializer` is equivalent to `reinitializer(1)`, so a reinitializer may be used after the original
     * initialization step. This is essential to configure modules that are added through upgrades and that require
     * initialization.
     *
     * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in
     * a contract, executing them in the right order is up to the developer or operator.
     */
    modifier reinitializer(uint8 version) {
        require(!_initializing && _initialized < version, "Initializable: contract is already initialized");
        _initialized = version;
        _initializing = true;
        _;
        _initializing = false;
        emit Initialized(version);
    }

    /**
     * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
     * {initializer} and {reinitializer} modifiers, directly or indirectly.
     */
    modifier onlyInitializing() {
        require(_initializing, "Initializable: contract is not initializing");
        _;
    }

    /**
     * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.
     * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized
     * to any version. It is recommended to use this to lock implementation contracts that are designed to be called
     * through proxies.
     */
    function _disableInitializers() internal virtual {
        require(!_initializing, "Initializable: contract is initializing");
        if (_initialized < type(uint8).max) {
            _initialized = type(uint8).max;
            emit Initialized(type(uint8).max);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;
import "../proxy/utils/Initializable.sol";

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

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

    uint256 private _status;

    function __ReentrancyGuard_init() internal onlyInitializing {
        __ReentrancyGuard_init_unchained();
    }

    function __ReentrancyGuard_init_unchained() internal onlyInitializing {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        // On the first call to nonReentrant, _notEntered will be true
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

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

        _;

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

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[49] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165Upgradeable.sol";

/**
 * @dev _Available since v3.1._
 */
interface IERC1155ReceiverUpgradeable is IERC165Upgradeable {
    /**
     * @dev Handles the receipt of a single ERC1155 token type. This function is
     * called at the end of a `safeTransferFrom` after the balance has been updated.
     *
     * NOTE: To accept the transfer, this must return
     * `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))`
     * (i.e. 0xf23a6e61, or its own function selector).
     *
     * @param operator The address which initiated the transfer (i.e. msg.sender)
     * @param from The address which previously owned the token
     * @param id The ID of the token being transferred
     * @param value The amount of tokens being transferred
     * @param data Additional data with no specified format
     * @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed
     */
    function onERC1155Received(
        address operator,
        address from,
        uint256 id,
        uint256 value,
        bytes calldata data
    ) external returns (bytes4);

    /**
     * @dev Handles the receipt of a multiple ERC1155 token types. This function
     * is called at the end of a `safeBatchTransferFrom` after the balances have
     * been updated.
     *
     * NOTE: To accept the transfer(s), this must return
     * `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))`
     * (i.e. 0xbc197c81, or its own function selector).
     *
     * @param operator The address which initiated the batch transfer (i.e. msg.sender)
     * @param from The address which previously owned the token
     * @param ids An array containing ids of each token being transferred (order and length must match values array)
     * @param values An array containing amounts of each token being transferred (order and length must match ids array)
     * @param data Additional data with no specified format
     * @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` if transfer is allowed
     */
    function onERC1155BatchReceived(
        address operator,
        address from,
        uint256[] calldata ids,
        uint256[] calldata values,
        bytes calldata data
    ) external returns (bytes4);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC1155/utils/ERC1155Receiver.sol)

pragma solidity ^0.8.0;

import "../IERC1155ReceiverUpgradeable.sol";
import "../../../utils/introspection/ERC165Upgradeable.sol";
import "../../../proxy/utils/Initializable.sol";

/**
 * @dev _Available since v3.1._
 */
abstract contract ERC1155ReceiverUpgradeable is Initializable, ERC165Upgradeable, IERC1155ReceiverUpgradeable {
    function __ERC1155Receiver_init() internal onlyInitializing {
    }

    function __ERC1155Receiver_init_unchained() internal onlyInitializing {
    }
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165Upgradeable, IERC165Upgradeable) returns (bool) {
        return interfaceId == type(IERC1155ReceiverUpgradeable).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[50] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/ERC721.sol)

pragma solidity ^0.8.0;

import "./IERC721Upgradeable.sol";
import "./IERC721ReceiverUpgradeable.sol";
import "./extensions/IERC721MetadataUpgradeable.sol";
import "../../utils/AddressUpgradeable.sol";
import "../../utils/ContextUpgradeable.sol";
import "../../utils/StringsUpgradeable.sol";
import "../../utils/introspection/ERC165Upgradeable.sol";
import "../../proxy/utils/Initializable.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 ERC721Upgradeable is Initializable, ContextUpgradeable, ERC165Upgradeable, IERC721Upgradeable, IERC721MetadataUpgradeable {
    using AddressUpgradeable for address;
    using StringsUpgradeable 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.
     */
    function __ERC721_init(string memory name_, string memory symbol_) internal onlyInitializing {
        __ERC721_init_unchained(name_, symbol_);
    }

    function __ERC721_init_unchained(string memory name_, string memory symbol_) internal onlyInitializing {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165Upgradeable, IERC165Upgradeable) returns (bool) {
        return
            interfaceId == type(IERC721Upgradeable).interfaceId ||
            interfaceId == type(IERC721MetadataUpgradeable).interfaceId ||
            super.supportsInterface(interfaceId);
    }

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

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

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

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

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

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

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

    /**
     * @dev See {IERC721-approve}.
     */
    function approve(address to, uint256 tokenId) public virtual override {
        address owner = ERC721Upgradeable.ownerOf(tokenId);
        require(to != owner, "ERC721: approval to current owner");

        require(
            _msgSender() == owner || isApprovedForAll(owner, _msgSender()),
            "ERC721: approve caller is not token owner nor approved for all"
        );

        _approve(to, tokenId);
    }

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

        return _tokenApprovals[tokenId];
    }

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

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

    /**
     * @dev See {IERC721-transferFrom}.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        //solhint-disable-next-line max-line-length
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: caller is not token owner 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: caller is not token 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) {
        address owner = ERC721Upgradeable.ownerOf(tokenId);
        return (spender == owner || isApprovedForAll(owner, spender) || getApproved(tokenId) == spender);
    }

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

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

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

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

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

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

        _afterTokenTransfer(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 = ERC721Upgradeable.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);

        _afterTokenTransfer(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(ERC721Upgradeable.ownerOf(tokenId) == from, "ERC721: transfer from incorrect owner");
        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);

        _afterTokenTransfer(from, to, tokenId);
    }

    /**
     * @dev Approve `to` to operate on `tokenId`
     *
     * Emits an {Approval} event.
     */
    function _approve(address to, uint256 tokenId) internal virtual {
        _tokenApprovals[tokenId] = to;
        emit Approval(ERC721Upgradeable.ownerOf(tokenId), to, tokenId);
    }

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

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

    /**
     * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
     * The call is not executed if the target address is not a contract.
     *
     * @param from address representing the previous owner of the given token ID
     * @param to target address that will receive the tokens
     * @param tokenId uint256 ID of the token to be transferred
     * @param data bytes optional data to send along with the call
     * @return bool whether the call correctly returned the expected magic value
     */
    function _checkOnERC721Received(
        address from,
        address to,
        uint256 tokenId,
        bytes memory data
    ) private returns (bool) {
        if (to.isContract()) {
            try IERC721ReceiverUpgradeable(to).onERC721Received(_msgSender(), from, tokenId, data) returns (bytes4 retval) {
                return retval == IERC721ReceiverUpgradeable.onERC721Received.selector;
            } catch (bytes memory reason) {
                if (reason.length == 0) {
                    revert("ERC721: transfer to non ERC721Receiver implementer");
                } else {
                    /// @solidity memory-safe-assembly
                    assembly {
                        revert(add(32, reason), mload(reason))
                    }
                }
            }
        } else {
            return true;
        }
    }

    /**
     * @dev Hook that is called before any token transfer. This includes minting
     * and burning.
     *
     * 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 {}

    /**
     * @dev Hook that is called after any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _afterTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual {}

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[44] private __gap;
}

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

pragma solidity ^0.8.0;

import "../ERC721Upgradeable.sol";
import "./IERC721EnumerableUpgradeable.sol";
import "../../../proxy/utils/Initializable.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 ERC721EnumerableUpgradeable is Initializable, ERC721Upgradeable, IERC721EnumerableUpgradeable {
    function __ERC721Enumerable_init() internal onlyInitializing {
    }

    function __ERC721Enumerable_init_unchained() internal onlyInitializing {
    }
    // 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(IERC165Upgradeable, ERC721Upgradeable) returns (bool) {
        return interfaceId == type(IERC721EnumerableUpgradeable).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) {
        require(index < ERC721Upgradeable.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 < ERC721EnumerableUpgradeable.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 = ERC721Upgradeable.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 = ERC721Upgradeable.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();
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[46] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC721/extensions/IERC721Enumerable.sol)

pragma solidity ^0.8.0;

import "../IERC721Upgradeable.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721EnumerableUpgradeable is IERC721Upgradeable {
    /**
     * @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);

    /**
     * @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 (token/ERC721/extensions/IERC721Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC721Upgradeable.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721MetadataUpgradeable is IERC721Upgradeable {
    /**
     * @dev Returns the token collection name.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the token collection symbol.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    function tokenURI(uint256 tokenId) external view returns (string memory);
}

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

pragma solidity ^0.8.0;

/**
 * @title ERC721 token receiver interface
 * @dev Interface for any contract that wants to support safeTransfers
 * from ERC721 asset contracts.
 */
interface IERC721ReceiverUpgradeable {
    /**
     * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
     * by `operator` from `from`, this function is called.
     *
     * It must return its Solidity selector to confirm the token transfer.
     * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
     *
     * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165Upgradeable.sol";

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721Upgradeable is IERC165Upgradeable {
    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/utils/ERC721Holder.sol)

pragma solidity ^0.8.0;

import "../IERC721ReceiverUpgradeable.sol";
import "../../../proxy/utils/Initializable.sol";

/**
 * @dev Implementation of the {IERC721Receiver} interface.
 *
 * Accepts all token transfers.
 * Make sure the contract is able to use its token with {IERC721-safeTransferFrom}, {IERC721-approve} or {IERC721-setApprovalForAll}.
 */
contract ERC721HolderUpgradeable is Initializable, IERC721ReceiverUpgradeable {
    function __ERC721Holder_init() internal onlyInitializing {
    }

    function __ERC721Holder_init_unchained() internal onlyInitializing {
    }
    /**
     * @dev See {IERC721Receiver-onERC721Received}.
     *
     * Always returns `IERC721Receiver.onERC721Received.selector`.
     */
    function onERC721Received(
        address,
        address,
        uint256,
        bytes memory
    ) public virtual override returns (bytes4) {
        return this.onERC721Received.selector;
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[50] private __gap;
}

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

pragma solidity ^0.8.1;

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

        return account.code.length > 0;
    }

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

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

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return 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 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
                /// @solidity memory-safe-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

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

pragma solidity ^0.8.0;
import "../proxy/utils/Initializable.sol";

/**
 * @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 ContextUpgradeable is Initializable {
    function __Context_init() internal onlyInitializing {
    }

    function __Context_init_unchained() internal onlyInitializing {
    }
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

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

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[50] private __gap;
}

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

pragma solidity ^0.8.0;

/**
 * @title Counters
 * @author Matt Condon (@shrugs)
 * @dev Provides counters that can only be incremented, decremented or reset. This can be used e.g. to track the number
 * of elements in a mapping, issuing ERC721 ids, or counting request ids.
 *
 * Include with `using Counters for Counters.Counter;`
 */
library CountersUpgradeable {
    struct Counter {
        // This variable should never be directly accessed by users of the library: interactions must be restricted to
        // the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add
        // this feature: see https://github.com/ethereum/solidity/issues/4637
        uint256 _value; // default: 0
    }

    function current(Counter storage counter) internal view returns (uint256) {
        return counter._value;
    }

    function increment(Counter storage counter) internal {
        unchecked {
            counter._value += 1;
        }
    }

    function decrement(Counter storage counter) internal {
        uint256 value = counter._value;
        require(value > 0, "Counter: decrement overflow");
        unchecked {
            counter._value = value - 1;
        }
    }

    function reset(Counter storage counter) internal {
        counter._value = 0;
    }
}

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

pragma solidity ^0.8.0;

import "./IERC165Upgradeable.sol";
import "../../proxy/utils/Initializable.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 ERC165Upgradeable is Initializable, IERC165Upgradeable {
    function __ERC165_init() internal onlyInitializing {
    }

    function __ERC165_init_unchained() internal onlyInitializing {
    }
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165Upgradeable).interfaceId;
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[50] private __gap;
}

// 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 IERC165Upgradeable {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (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.
 *
 * [WARNING]
 * ====
 *  Trying to delete such a structure from storage will likely result in data corruption, rendering the structure unusable.
 *  See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info.
 *
 *  In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an array of EnumerableSet.
 * ====
 */
library EnumerableSetUpgradeable {
    // 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;

        /// @solidity memory-safe-assembly
        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;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.1;

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

        return account.code.length > 0;
    }

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

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

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return 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
                /// @solidity memory-safe-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

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

pragma solidity ^0.8.0;

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/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
// Barely modified version of OpenZeppelin Contracts v4.4.1 (utils/structs/EnumerableSet.sol)

pragma solidity ^0.8.6;

library ActionsSet {
    struct Set {
        // Storage of action names
        string[] _names;
        // Storage of action selectors
        bytes4[] _selectors;
        // Position of the value in the `values` array, plus 1 because index 0
        // means a value is not in the set.
        mapping(bytes4 => 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, string memory name) internal returns (bool) {
        bytes4 selector = bytes4(keccak256(bytes(name)));
        if (!contains(set, selector)) {
            set._selectors.push(selector);
            set._names.push(name);
            // The value is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            set._indexes[selector] = set._selectors.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, bytes4 value) internal 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 _selectors 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._selectors.length - 1;

            if (lastIndex != toDeleteIndex) {
                bytes4 lastValue = set._selectors[lastIndex];

                // Move the last value to the index where the value to delete is
                set._selectors[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._selectors.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, bytes4 value)
        internal
        view
        returns (bool)
    {
        return set._indexes[value] != 0;
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function length(Set storage set) internal view returns (uint256) {
        return set._selectors.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) internal view returns (bytes4) {
        return set._selectors[index];
    }

    /**
     * @dev Return the entire set of action names
     *
     * 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 names(Set storage set) internal view returns (string[] memory) {
        return set._names;
    }
    
    /**
     * @dev Return the entire set of action selectors
     *
     * 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 selectors(Set storage set) internal view returns (bytes4[] memory) {
        return set._selectors;
    }
    
    
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.6;

/*********************************************************************************************\
* Author: Hypervisor <[email protected]> (https://twitter.com/0xalxi)
* EIP-5050 Interactive NFTs with Modular Environments: https://eips.ethereum.org/EIPS/eip-5050
/*********************************************************************************************/


/// @title EIP-5050 Action Controller
interface IControllable {
    
    /// @notice Enable or disable approval for a third party ("controller") to force
    ///  handling of a given action without performing EIP-5050 validity checks.
    /// @dev Emits the ControllerApproval event. The contract MUST allow
    ///  an unbounded number of controllers per action.
    /// @param _controller Address to add to the set of authorized controllers
    /// @param _action Selector of the action for which the controller is approved / disapproved
    /// @param _approved True if the controller is approved, false to revoke approval
    function setControllerApproval(address _controller, bytes4 _action, bool _approved)
        external;

    /// @notice Enable or disable approval for a third party ("controller") to force
    ///  action handling without performing EIP-5050 validity checks. 
    /// @dev Emits the ControllerApproval event. The contract MUST allow
    ///  an unbounded number of controllers per action.
    /// @param _controller Address to add to the set of authorized controllers
    /// @param _approved True if the controller is approved, false to revoke approval
    function setControllerApprovalForAll(address _controller, bool _approved)
        external;

    /// @notice Query if an address is an authorized controller for a given action.
    /// @param _controller The trusted third party address that can force action handling
    /// @param _action The action selector to query against
    /// @return True if `_controller` is an approved operator for `_account`, false otherwise
    function isApprovedController(address _controller, bytes4 _action)
        external
        view
        returns (bool);
    
    /// @dev This emits when a controller is enabled or disabled for the given
    ///  action. The controller can force `action` handling on the emitting contract, 
    ///  bypassing the standard EIP-5050 validity checks.
    event ControllerApproval(
        address indexed _controller,
        bytes4 indexed _action,
        bool _approved
    );
    
    /// @dev This emits when a controller is enabled or disabled for all actions.
    ///  Disabling all action approval for a controller does not override explicit action
    ///  action approvals. Controller's approved for all actions can force action handling 
    ///  on the emitting contract for any action.
    event ControllerApprovalForAll(
        address indexed _controller,
        bool _approved
    );
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.6;

/*********************************************************************************************\
* Author: Hypervisor <[email protected]> (https://twitter.com/0xalxi)
* EIP-5050 Interactive NFTs with Modular Environments: https://eips.ethereum.org/EIPS/eip-5050
/*********************************************************************************************/


/// @title ERC-5050 Token Interaction Standard
/// @dev See https://eips.ethereum.org/EIPS/eip-xxx
interface IERC5050Sender {
    /// @notice Send an action to the target address
    /// @dev The action's `fromContract` is automatically set to `address(this)`,
    /// and the `from` parameter is set to `msg.sender`.
    /// @param action The action to send
    function sendAction(Action memory action) external payable;

    /// @notice Check if an action is valid based on its hash and nonce
    /// @dev When an action passes through all three possible contracts
    /// (`fromContract`, `to`, and `state`) the `state` contract validates the
    /// action with the initating `fromContract` using a nonced action hash.
    /// This hash is calculated and saved to storage on the `fromContract` before
    /// action handling is initiated. The `state` contract calculates the hash
    /// and verifies it and nonce with the `fromContract`.
    /// @param _hash The hash to validate
    /// @param _nonce The nonce to validate
    function isValid(bytes32 _hash, uint256 _nonce) external returns (bool);

    /// @notice Retrieve list of actions that can be sent.
    /// @dev Intended for use by off-chain applications to query compatible contracts,
    /// and to advertise functionality in human-readable form.
    function sendableActions() external view returns (string[] memory);

    /// @notice Change or reaffirm the approved address for an action
    /// @dev The zero address indicates there is no approved address.
    ///  Throws unless `msg.sender` is the `_account`, or an authorized
    ///  operator of the `_account`.
    /// @param _account The account of the account-action pair to approve
    /// @param _action The action of the account-action pair to approve
    /// @param _approved The new approved account-action controller
    function approveForAction(
        address _account,
        bytes4 _action,
        address _approved
    ) external returns (bool);

    /// @notice Enable or disable approval for a third party ("operator") to conduct
    ///  all actions on behalf of `msg.sender`
    /// @dev Emits the ApprovalForAll event. The contract MUST allow
    ///  an unbounded number of operators per owner.
    /// @param _operator Address to add to the set of authorized operators
    /// @param _approved True if the operator is approved, false to revoke approval
    function setApprovalForAllActions(address _operator, bool _approved)
        external;

    /// @notice Get the approved address for an account-action pair
    /// @dev Throws if `_tokenId` is not a valid NFT.
    /// @param _account The account of the account-action to find the approved address for
    /// @param _action The action of the account-action to find the approved address for
    /// @return The approved address for this account-action, or the zero address if
    ///  there is none
    function getApprovedForAction(address _account, bytes4 _action)
        external
        view
        returns (address);

    /// @notice Query if an address is an authorized operator for another address
    /// @param _account The address on whose behalf actions are performed
    /// @param _operator The address that acts on behalf of the account
    /// @return True if `_operator` is an approved operator for `_account`, false otherwise
    function isApprovedForAllActions(address _account, address _operator)
        external
        view
        returns (bool);

    /// @dev This emits when an action is sent (`sendAction()`)
    event SendAction(
        bytes4 indexed name,
        address _from,
        address indexed _fromContract,
        uint256 _tokenId,
        address indexed _to,
        uint256 _toTokenId,
        address _state,
        bytes _data
    );

    /// @dev This emits when the approved address for an account-action pair
    ///  is changed or reaffirmed. The zero address indicates there is no
    ///  approved address.
    event ApprovalForAction(
        address indexed _account,
        bytes4 indexed _action,
        address indexed _approved
    );

    /// @dev This emits when an operator is enabled or disabled for an account.
    ///  The operator can conduct all actions on behalf of the account.
    event ApprovalForAllActions(
        address indexed _account,
        address indexed _operator,
        bool _approved
    );
}

interface IERC5050Receiver {
    /// @notice Handle an action
    /// @dev Both the `to` contract and `state` contract are called via
    /// `onActionReceived()`.
    /// @param action The action to handle
    function onActionReceived(Action calldata action, uint256 _nonce)
        external
        payable;

    /// @notice Retrieve list of actions that can be received.
    /// @dev Intended for use by off-chain applications to query compatible contracts,
    /// and to advertise functionality in human-readable form.
    function receivableActions() external view returns (string[] memory);

    /// @dev This emits when a valid action is received.
    event ActionReceived(
        bytes4 indexed name,
        address _from,
        address indexed _fromContract,
        uint256 _fromTokenId,
        address indexed _to,
        uint256 _toTokenId,
        address _state,
        bytes _data
    );
}

/// @param _address The address of the interactive object
/// @param tokenId The token that is interacting (optional)
struct Object {
    address _address;
    uint256 _tokenId;
}

/// @param selector The bytes4(keccack256()) encoding of the action string
/// @param user The address of the sender
/// @param from The initiating object
/// @param to The receiving object
/// @param state The state contract
/// @param data Additional data with no specified format
struct Action {
    bytes4 selector;
    address user;
    Object from;
    Object to;
    address state;
    bytes data;
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.6;

import {Address} from "@openzeppelin/contracts/utils/Address.sol";

import {ERC5050StateStorage, IERC5050RegistryClient} from "./ERC5050StateStorage.sol";
import {IERC5050Sender, IERC5050Receiver, Action, Object} from "../../interfaces/IERC5050.sol";
import {IControllable} from "../../interfaces/IControllable.sol";
import {ActionsSet} from "../../common/ActionsSet.sol";

contract ERC5050State is IERC5050Receiver, IControllable {
    using ERC5050StateStorage for ERC5050StateStorage.Layout;
    using Address for address;
    using ActionsSet for ActionsSet.Set;
    
    error ZeroAddressDestination();
    error TransferToNonERC5050ReceiverImplementer();
    
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    modifier onlyReceivableAction(Action calldata action, uint256 nonce) {
        if (_isApprovedController(msg.sender, action.selector)) {
            _;
            return;
        }
        require(
            action.state == address(this),
            "ERC5050: invalid state"
        );
        ERC5050StateStorage.Layout storage store = ERC5050StateStorage.layout();
        require(store.receiverLock != _ENTERED, "ERC5050: no re-entrancy");
        require(
            store._receivableActions.contains(action.selector),
            "ERC5050: invalid action"
        );
        
        address _proxiedFromAddress;
        address expectedSender = action.to._address;
        if (expectedSender == address(0)) {
            if (action.from._address != address(0)) {
                _proxiedFromAddress = ERC5050StateStorage.getSenderProxy(action.from._address);
                expectedSender = _proxiedFromAddress;
            } else {
                expectedSender = action.user;
            }
        } else {
            expectedSender = ERC5050StateStorage.getReceiverProxy(expectedSender);
        }
        require(msg.sender == expectedSender, "ERC5050: invalid sender");
        
         if (
            action.to._address.isContract() && action.from._address.isContract()
        ) {
            bytes32 actionHash = bytes32(
                keccak256(
                    abi.encodePacked(
                        action.selector,
                        action.user,
                        action.from._address,
                        action.from._tokenId,
                        action.to._address,
                        action.to._tokenId,
                        action.state,
                        action.data,
                        nonce
                    )
                )
            );
            if(_proxiedFromAddress == address(0)) {
                _proxiedFromAddress = ERC5050StateStorage.getSenderProxy(action.from._address);
            }
            try
                IERC5050Sender(_proxiedFromAddress).isValid(actionHash, nonce)
            returns (bool ok) {
                require(ok, "ERC5050: action not validated");
            } catch (bytes memory reason) {
                if (reason.length == 0) {
                    revert("ERC5050: call to non ERC5050Sender");
                } else {
                    assembly {
                        revert(add(32, reason), mload(reason))
                    }
                }
            }
        }
        store.receiverLock = _ENTERED;
        _;
        store.receiverLock = _NOT_ENTERED;
    }

    function onActionReceived(Action calldata action, uint256 nonce)
        external
        payable
        virtual
        override(IERC5050Receiver)
        onlyReceivableAction(action, nonce)
    {
        _onActionReceived(action);
    }

    function _onActionReceived(Action calldata action)
        internal
        virtual
    {
        emit ActionReceived(
            action.selector,
            action.user,
            action.from._address,
            action.from._tokenId,
            action.to._address,
            action.to._tokenId,
            action.state,
            action.data
        );
    }
    
    modifier onlyCommittableAction(Action calldata action) {
        require(msg.sender == action.user, "invalid sender");
        require(address(this) == action.state, "invalid state");
        require(
            ERC5050StateStorage.layout()._receivableActions.contains(action.selector),
            "ERC5050: invalid action"
        );
        _;
        emit ActionReceived(
            action.selector,
            action.user,
            action.from._address,
            action.from._tokenId,
            action.to._address,
            action.to._tokenId,
            action.state,
            action.data
        );
    } 
    
    function _beforeCommitAction(Action calldata action, uint256 nonce)
        internal
        virtual
    {
        
        // Commit action as controller on sender
        address _from = action.from._address;
        if (action.from._address != address(0)) {
            _from = ERC5050StateStorage.getSenderProxy(action.from._address);
        }
        if(_from.isContract()){
            try
                IERC5050Sender(_from).sendAction{
                    value: msg.value
                }(action)
            {} catch (bytes memory reason) {
                if (reason.length == 0) {
                    revert("call to non ERC5050Sender");
                } else {
                    assembly {
                        revert(add(32, reason), mload(reason))
                    }
                }
            }
        }
        
        // Commit action as controller on receiver
        address _to = action.to._address;
        if (action.to._address != address(0)) {
            _to = ERC5050StateStorage.getReceiverProxy(action.to._address);
        }
        if(_to.isContract()){
            try
                IERC5050Receiver(_to).onActionReceived{
                    value: msg.value
                }(action, nonce)
            {} catch (bytes memory reason) {
                if (reason.length == 0) {
                    revert("call to non ERC5050Receiver");
                } else {
                    assembly {
                        revert(add(32, reason), mload(reason))
                    }
                }
            }
        }
    }
    
    function commitAction(Action calldata action, uint256 nonce)
        external
        payable
        virtual
        onlyCommittableAction(action)
    {
        _beforeCommitAction(action, nonce);
    }

    function setControllerApproval(address _controller, bytes4 _action, bool _approved)
        external
        virtual
        override(IControllable)
    {
        ERC5050StateStorage.layout()._actionControllers[_controller][_action] = _approved;
        emit ControllerApproval(
            _controller,
            _action,
            _approved
        );
    }
    
    function setControllerApprovalForAll(address _controller, bool _approved)
        external
        virtual
        override(IControllable)
    {
        ERC5050StateStorage.layout()._universalControllers[_controller] = _approved;
        emit ControllerApprovalForAll(
            _controller,
            _approved
        );
    }

    function isApprovedController(address _controller, bytes4 _action)
        external
        view
        override(IControllable)
        returns (bool)
    {
        return _isApprovedController(_controller, _action);
    }

    function _isApprovedController(address _controller, bytes4 _action)
        internal
        view
        returns (bool)
    {
        ERC5050StateStorage.Layout storage store = ERC5050StateStorage.layout();
        if (store._universalControllers[_controller]) {
            return true;
        }
        return store._actionControllers[_controller][_action];
    }
    
    function receivableActions() external view override(IERC5050Receiver) returns (string[] memory) {
        return ERC5050StateStorage.layout()._receivableActions.names();
    }
    
    function _registerReceivable(string memory action) internal {
        ERC5050StateStorage.layout()._receivableActions.add(action);
    }
    
    function _setProxyRegistry(address registry) internal {
        ERC5050StateStorage.layout().proxyRegistry = IERC5050RegistryClient(registry);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.6;

/*********************************************************************************************\
* Author: Hypervisor <[email protected]> (https://twitter.com/0xalxi)
* EIP-5050 Interactive NFTs with Modular Environments: https://eips.ethereum.org/EIPS/eip-5050
/*********************************************************************************************/

import {Action, IERC5050Receiver, IERC5050Sender} from "../../interfaces/IERC5050.sol";
import {ActionsSet} from "../../common/ActionsSet.sol";

/// @title ERC-5050 Proxy Registry
///  Note: the ERC-165 identifier for this interface is 0x01ffc9a7
interface IERC5050RegistryClient {
    /// @dev This emits when ownership of a contract changes.
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /// @notice Query if an address implements an interface and through which contract.
    /// @param _addr Address being queried for the implementer of an interface.
    /// (If '_addr' is the zero address then 'msg.sender' is assumed.)
    /// @param _interfaceHash Keccak256 hash of the name of the interface as a string.
    /// E.g., 'web3.utils.keccak256("ERC777TokensRecipient")' for the 'ERC777TokensRecipient' interface.
    /// @return The address of the contract which implements the interface '_interfaceHash' for '_addr'
    /// or '0' if '_addr' did not register an implementer for this interface.
    function getInterfaceImplementer(address _addr, bytes4 _interfaceHash) external view returns (address);
}

library ERC5050StateStorage {
    using ActionsSet for ActionsSet.Set;

    bytes32 constant ERC_5050_STORAGE_POSITION =
        keccak256("erc5050.storage.location");
    IERC5050RegistryClient constant ERC_5050_PROXY_REGISTRY = 
        IERC5050RegistryClient(0x5050f71E270671315B460F5C4C37A82deAE6F77D);

    struct Layout {
        IERC5050RegistryClient proxyRegistry;
        bool proxyDisabled;
        ActionsSet.Set _receivableActions;
        mapping(address => mapping(bytes4 => bool)) _actionControllers;
        mapping(address => bool) _universalControllers;
        uint256 receiverLock;
    }

    function layout() internal pure returns (Layout storage es) {
        bytes32 position = ERC_5050_STORAGE_POSITION;
        assembly {
            es.slot := position
        }
    }
    
    function getProxyRegistry() internal view returns (IERC5050RegistryClient) {
        Layout storage store = layout();
        if(address(store.proxyRegistry) == address(0) && !store.proxyDisabled){
            return ERC_5050_PROXY_REGISTRY;
        }
        return store.proxyRegistry;
    }
    
    function getReceiverProxy(address _addr) internal view returns (address) {
        IERC5050RegistryClient proxyRegistry = getProxyRegistry();
        if(address(proxyRegistry) == address(0)){
            return _addr;
        }
        if(_addr == address(0)) {
            return _addr;
        }
        return proxyRegistry.getInterfaceImplementer(_addr, type(IERC5050Receiver).interfaceId);
    }
    
    function getSenderProxy(address _addr) internal view returns (address) {
        IERC5050RegistryClient proxyRegistry = getProxyRegistry();
        if(address(proxyRegistry) == address(0)){
            return _addr;
        }
        if(_addr == address(0)) {
            return _addr;
        }
        return proxyRegistry.getInterfaceImplementer(_addr, type(IERC5050Sender).interfaceId);
    }
    
    function setProxyRegistry(address _addr) internal {
        layout().proxyRegistry = IERC5050RegistryClient(_addr);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;
import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";

interface IAnomuraData {
    struct Data {
        string[] body;
        string[] claws;
        string[] legs;
        string[] shell;
        string[] headPieces;
        string[] background;
        string[] prefixes;
        string[] suffixes;
        string[] unique;
        string[] backgroundPrefixes;
    }

    function getAnomuraData() external view returns (Data memory);
}

contract AnomuraData is IAnomuraData, Ownable {
    string[] private clawData;
    string[] private legData;
    string[] private bodyData;
    string[] private shellData;
    string[] private backgroundData;
    string[] private headpiecesData;
    string[] private prefixesData;
    string[] private uniqueData;
    string[] private suffixesData;
    string[] private backgroundPrefixesData;

    constructor() {
        clawData.push("Natural Claw");
        clawData.push("Coral Claw");
        clawData.push("Titian Claw");
        clawData.push("Pliers");
        clawData.push("Scissorhands");
        clawData.push("Laser Gun");
        clawData.push("Snow Claw");
        clawData.push("Sky Claw");
        clawData.push("Icicle Claw");
        clawData.push("Pincers");
        clawData.push("Hammer Logs");
        clawData.push("Carnivora Claw");
        clawData.push("Adventure Claw");
        clawData.push("Asteroids Lasergun");
        clawData.push("Pong Claw");

        legData.push("Argent Leg");
        legData.push("Sunlit Leg");
        legData.push("Auroral Leg");
        legData.push("Steel Leg");
        legData.push("Tungsten Leg");
        legData.push("Titanium Leg");
        legData.push("Crystal Leg");
        legData.push("Empyrean Leg");
        legData.push("Azure Leg");
        legData.push("Bamboo Leg");
        legData.push("Walmara Leg");
        legData.push("Pintobortri Leg");
        legData.push("Adventure Leg");
        legData.push("Asteroids Leg");
        legData.push("Pong Leg");

        bodyData.push("Premier Body");
        bodyData.push("Unhinged Body");
        bodyData.push("Mesmerizing Body");
        bodyData.push("Rave Body");
        bodyData.push("Combustion Body");
        bodyData.push("Radiating Eye");
        bodyData.push("Charring Body");
        bodyData.push("Inferno Body");
        bodyData.push("Siberian Body");
        bodyData.push("Antarctic Body");
        bodyData.push("Glacial Body");
        bodyData.push("Amethyst Body");
        bodyData.push("Beast");
        bodyData.push("Panga Panga");
        bodyData.push("Ceylon Ebony");
        bodyData.push("Katalox");
        bodyData.push("Diamond");
        bodyData.push("Golden");
        bodyData.push("Adventure Body");
        bodyData.push("Asteroids Body");
        bodyData.push("Pong Body");

        shellData.push("Auger Shell");
        shellData.push("Seasnail Shell");
        shellData.push("Miter Shell");
        shellData.push("Alembic");
        shellData.push("Chimney");
        shellData.push("Starship");
        shellData.push("Ice Cube");
        shellData.push("Ice Shell");
        shellData.push("Frosty");
        shellData.push("Mora");
        shellData.push("Carnivora");
        shellData.push("Pure Runes");
        shellData.push("Architect");
        shellData.push("Bee Hive");
        shellData.push("Coral");
        shellData.push("Crystal");
        shellData.push("Diamond");
        shellData.push("Ethereum");
        shellData.push("Golden Skull");
        shellData.push("Japan Temple");
        shellData.push("Planter");
        shellData.push("Snail");
        shellData.push("Tentacles");
        shellData.push("Tesla Coil");
        shellData.push("Cherry Blossom");
        shellData.push("Maple Green");
        shellData.push("Volcano");
        shellData.push("Adventure Shell");
        shellData.push("Asteroids Shell");
        shellData.push("Pong Shell");

        backgroundData.push("Crystal Cave");
        backgroundData.push("Crystal Cave Rainbow");
        backgroundData.push("Emerald Forest");
        backgroundData.push("Garden of Eden");
        backgroundData.push("Golden Glade");
        backgroundData.push("Beach");
        backgroundData.push("Magical Deep Sea");
        backgroundData.push("Natural Sea");
        backgroundData.push("Bioluminescent Abyss");
        backgroundData.push("Blazing Furnace");
        backgroundData.push("Steam Apparatus");
        backgroundData.push("Science Lab");
        backgroundData.push("Starship Throne");
        backgroundData.push("Happy Snowfield");
        backgroundData.push("Midnight Mountain");
        backgroundData.push("Cosmic Star");
        backgroundData.push("Sunset Cliffs");
        backgroundData.push("Space Nebula");
        backgroundData.push("Plains of Vietnam");
        backgroundData.push("ZED Run");
        backgroundData.push("African Savannah");
        backgroundData.push("Adventure Space");
        backgroundData.push("Asteroids Space");
        backgroundData.push("Pong Space");

        headpiecesData.push("Morning Sun Starfish");
        headpiecesData.push("Granulated Starfish");
        headpiecesData.push("Royal Starfish");
        headpiecesData.push("Sapphire");
        headpiecesData.push("Emerald");
        headpiecesData.push("Kunzite");
        headpiecesData.push("Rhodonite");
        headpiecesData.push("Aventurine");
        headpiecesData.push("Peridot");
        headpiecesData.push("Moldavite");
        headpiecesData.push("Jasper");
        headpiecesData.push("Alexandrite");
        headpiecesData.push("Copper Fire");
        headpiecesData.push("Chemical Fire");
        headpiecesData.push("Carmine Fire");
        headpiecesData.push("Adventure Key");

        prefixesData.push("Briny");
        prefixesData.push("Tempestuous");
        prefixesData.push("Limpid");
        prefixesData.push("Pacific");
        prefixesData.push("Atlantic");
        prefixesData.push("Abysmal");
        prefixesData.push("Profound");
        prefixesData.push("Misty");
        prefixesData.push("Solar");
        prefixesData.push("Empyrean");
        prefixesData.push("Sideral");
        prefixesData.push("Astral");
        prefixesData.push("Ethereal");
        prefixesData.push("Crystal");
        prefixesData.push("Quantum");
        prefixesData.push("Empiric");
        prefixesData.push("Alchemic");
        prefixesData.push("Crash Test");
        prefixesData.push("Nuclear");
        prefixesData.push("Syntethic");
        prefixesData.push("Tempered");
        prefixesData.push("Fossil");
        prefixesData.push("Craggy");
        prefixesData.push("Gemmed");
        prefixesData.push("Verdant");
        prefixesData.push("Lymphatic");
        prefixesData.push("Gnarled");
        prefixesData.push("Lithic");

        suffixesData.push("of the Coast");
        suffixesData.push("of Maelstrom");
        suffixesData.push("of Depths");
        suffixesData.push("of Eternity");
        suffixesData.push("of Peace");
        suffixesData.push("of Equilibrium");

        suffixesData.push("of the Universe");
        suffixesData.push("of the Galaxy");
        suffixesData.push("of Absolute Zero");
        suffixesData.push("of Constellations");
        suffixesData.push("of the Moon");
        suffixesData.push("of Lightspeed");

        suffixesData.push("of Evidence");
        suffixesData.push("of Relativity");
        suffixesData.push("of Evolution");
        suffixesData.push("of Consumption");
        suffixesData.push("of Progress");
        suffixesData.push("of Damascus");

        suffixesData.push("of Gaia");
        suffixesData.push("of The Wild");
        suffixesData.push("of Overgrowth");
        suffixesData.push("of Rebirth");
        suffixesData.push("of World Roots");
        suffixesData.push("of Stability");

        uniqueData.push("The Leviathan");
        uniqueData.push("Will of Oceanus");
        uniqueData.push("Suijin's Touch");
        uniqueData.push("Tiamat Kiss");
        uniqueData.push("Poseidon Vow");
        uniqueData.push("Long bao");

        uniqueData.push("Uranus Wish");
        uniqueData.push("Aim of Indra");
        uniqueData.push("Cry of Yuki Onna");
        uniqueData.push("Sirius");
        uniqueData.push("Vega");
        uniqueData.push("Altair");

        uniqueData.push("Ephestos Skill");
        uniqueData.push("Gift of Prometheus");
        uniqueData.push("Pandora's");
        uniqueData.push("Wit of Lu Dongbin");
        uniqueData.push("Thoth's Trick");
        uniqueData.push("Cyclopes Plan");

        uniqueData.push("Root of Dimu");
        uniqueData.push("Bhumi's Throne");
        uniqueData.push("Rive of Daphne");
        uniqueData.push("The Minotaur");
        uniqueData.push("Call of Cernunnos");
        uniqueData.push("Graze of Terra");

        backgroundPrefixesData.push("Bountiful");
        backgroundPrefixesData.push("Isolated");
        backgroundPrefixesData.push("Mechanical");
        backgroundPrefixesData.push("Reborn");
    }

    function getAnomuraData() external view returns (Data memory anomuraData) {
        anomuraData = Data({
            body: bodyData,
            claws: clawData,
            legs: legData,
            shell: shellData,
            headPieces: headpiecesData,
            background: backgroundData,
            prefixes: prefixesData,
            suffixes: suffixesData,
            unique: uniqueData,
            backgroundPrefixes: backgroundPrefixesData
        });
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

import {Initializable} from "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
import { AccessControlEnumerableUpgradeable, IAccessControlEnumerableUpgradeable } from "@openzeppelin/contracts-upgradeable/access/AccessControlEnumerableUpgradeable.sol";
import {ERC721HolderUpgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC721/utils/ERC721HolderUpgradeable.sol";
import {ERC1155ReceiverUpgradeable, IERC1155ReceiverUpgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC1155/utils/ERC1155ReceiverUpgradeable.sol";
import { IERC5050Sender, IERC5050Receiver, Action, Object } from "@sharedstate/verbs/contracts/interfaces/IERC5050.sol";
import { ERC5050State } from "@sharedstate/verbs/contracts/upgradeable/state/ERC5050State.sol";
import { ERC5050StateStorage } from "@sharedstate/verbs/contracts/upgradeable/state/ERC5050StateStorage.sol";
import { IERC721 } from "@openzeppelin/contracts/token/ERC721/IERC721.sol";
import { ActionsSet } from "@sharedstate/verbs/contracts/common/ActionsSet.sol";

interface IUniversalEquipmentManager {
    error InvalidCollectionType();
    error AlreadyEquipped();
    error RecursiveEquip();

    function getLastActionOnNft(address _address, uint256 _id) external view returns(uint256);
}

/// @notice UniversalEquipmentManager contract
contract UniversalEquipmentManager is 
    IUniversalEquipmentManager,
    Initializable, 
    AccessControlEnumerableUpgradeable,
    ERC721HolderUpgradeable,
    ERC1155ReceiverUpgradeable,
    ERC5050State
{
    using ActionsSet for ActionsSet.Set; 
    using ERC5050StateStorage for ERC5050StateStorage.Layout;

    /// @notice Bind action from a token in general collection
    event UniversalBind(address fromAddress, uint256 fromToken, address toAddress, uint256 toToken, address user);
    /// @notice Unbind action from a token in general collection
    event UniversalUnbind(address fromAddress, uint256 fromToken, address toAddress, uint256 toToken, address user);

    bytes4 constant ERC721_TYPE = bytes4(keccak256(abi.encodePacked("ERC721")));
    bytes4 constant ERC1155_TYPE = bytes4(keccak256(abi.encodePacked("ERC1155")));

    bytes4 constant EQUIP_SELECTOR = bytes4(keccak256("equip"));
    bytes4 constant UNEQUIP_SELECTOR = bytes4(keccak256("unequip"));

    /// @notice maps holder token ids to number of equipments bound to them.
    mapping(address=>mapping(uint256 => uint256)) public equipmentCountOf;
    /// @notice maps holder token ids to map of their equipments.
    mapping(address=>mapping(uint256 => mapping(uint256 => Object))) public equipmentsOf;
    /// @notice maps holder token ids to map of equipment data indexes.
    mapping(address=>mapping(uint256 => mapping(address => mapping(uint256 => uint256)))) public equipmentIndexOf;
    /// @notice maps ERC721 equipment to its holder token id (not ERC1155 compatible)
    mapping(address=>mapping(uint256 => Object)) public equippedTo;

    bytes32 public constant EXTERNAL_BIND = keccak256("EXTERNAL_BIND");
    bool public isPaused;
    
    event Log(string msg);

    /**
     * @dev Keep track of last action from
     */
    mapping(address=>mapping(uint256 => uint256)) private lastActionAtBlock;

    function initialize() external initializer 
    {
        __ERC721Holder_init();
        __AccessControlEnumerable_init();

        isPaused = false;

        _setupRole(DEFAULT_ADMIN_ROLE, _msgSender());
        _registerReceivable("equip");
        _registerReceivable("unequip");
    }

    function onActionReceived(Action calldata action, uint256 _nonce)
        external
        payable
        override
        onlyReceivableAction(action, _nonce)
    {
        // TODO: require action.from._address.supportsInterface(ERC721InterfaceId)
        // Need to be able to check ownerOf tokenId on sender, which we cannot do with ERC1155
        // Pass action to state receiver
        if (action.selector == EQUIP_SELECTOR) {
            bytes4 collectionType;
            bytes calldata _data = action.data;
            assembly {
                // Get first 4 bytes
                collectionType := calldataload(_data.offset)
            }
            _equip(
                action.from,
                action.to,
                collectionType
            );
        } else if (action.selector == UNEQUIP_SELECTOR) {
            bytes4 collectionType;
            bytes calldata _data = action.data;
            assembly {
                // Get first 4 bytes
                collectionType := calldataload(_data.offset)
            }
            _unequip(
                action.from,
                action.to,
                collectionType
            );
        }
        _onActionReceived(action);
    }

    /**
    @notice Bound an `_equipmentId` from `_equipmentContract` into `_anomuraId`
    @dev Get index of next bound equipment by using equipmentCountOf
    @dev Cache this new equipment to be at this index, within equimentIndexOf
    @dev Cache new backpack data into equipmentOf, using this index
    @dev increase equipment count for this anomura
    @param from Object of where the action initiated from
    @param to Object of where the action perform to
    @param _collectionType type of collection ~ ERC721 ERC1155
     */
    function _equip(
        Object memory from,
        Object memory to,
        bytes4 _collectionType
    ) internal {
        // Prevent equipped items from themselves equipping other items
        if (equippedTo[from._address][from._tokenId]._address != address(0)) {
            revert RecursiveEquip();
        }
        if(equippedTo[to._address][to._tokenId]._address != address(0)){
            revert ("Already equipped");
        }
        if (isPaused) {
            revert ("Paused");
        }

        uint256 equipmentIndex = equipmentCountOf[from._address][from._tokenId];
        equipmentIndexOf[from._address][from._tokenId][to._address][to._tokenId] = equipmentIndex;
        
        equipmentsOf[from._address][from._tokenId][equipmentIndex] = to;

        equipmentCountOf[from._address][from._tokenId] = equipmentIndex + 1;

        if(_collectionType == ERC721_TYPE){
            // Allows equipment to be transferred by 
            address owner = IERC721(to._address).ownerOf(to._tokenId);
            if(owner != address(this)){
                IERC721(to._address).transferFrom(owner, address(this), to._tokenId);
            }
            equippedTo[to._address][to._tokenId] = from;
        } else if(_collectionType == ERC1155_TYPE){
            revert ("Not yet supported 1155");
        } else {
            revert ("Invalid collection equip type");
        }

        emit UniversalBind(
            from._address,
            from._tokenId,
            to._address,
            to._tokenId,
            tx.origin
        );
    }

    /**
    @notice Unbound an `_equipmentId` of `_equipmentContract` from `_anomuraId`, sends to owner of `_anomuraId`
    @param from Object of where the action initiated from
    @param to Object of where the action perform to
    @param _collectionType type of collection ~ ERC721 ERC1155
    */
    function _unequip(
        Object memory from,
        Object memory to,
        bytes4 _collectionType
    ) internal {
        uint256 equipmentIndex = equipmentIndexOf[from._address][from._tokenId][to._address][to._tokenId];

        {
            if(equipmentsOf[from._address][from._tokenId][equipmentIndex]._tokenId != to._tokenId){
                revert("Not equipped" );
            }
            if (isPaused) {
                revert ("Paused");
            }
        }
       
        uint256 lastIndex = --equipmentCountOf[from._address][from._tokenId];
        Object memory lastEquipment = equipmentsOf[from._address][from._tokenId][lastIndex];

        equipmentsOf[from._address][from._tokenId][equipmentIndex] = lastEquipment; 
        equipmentIndexOf[from._address][from._tokenId][lastEquipment._address][lastEquipment._tokenId] = equipmentIndex;

        delete equipmentIndexOf[from._address][from._tokenId][to._address][to._tokenId];
        delete equipmentsOf[from._address][from._tokenId][lastIndex];

        if(_collectionType == ERC721_TYPE){
            address holderOwner;
            try
                IERC721(from._address).ownerOf(from._tokenId) returns (address _owner)
            {
                holderOwner = _owner;
            } catch (bytes memory reason) {
                if (reason.length == 0) {
                    revert("call to non ERC721");
                } else {
                    assembly {
                        revert(add(32, reason), mload(reason))
                    }
                }
            }
            // address holderOwner = IERC721(from._address).ownerOf(from._tokenId);
            if(holderOwner != address(this)){
                IERC721(to._address).transferFrom(address(this), holderOwner, to._tokenId);
            }
            delete equippedTo[to._address][to._tokenId];
        }else if(_collectionType == ERC1155_TYPE){
            revert ("Not yet supported 1155");
        }
        else {
            revert InvalidCollectionType();
        }

        lastActionAtBlock[from._address][from._tokenId] = block.number;

        emit UniversalUnbind(
            from._address,
            from._tokenId,
            to._address,
            to._tokenId,
            tx.origin
        );
    }

    /**
    @notice Directly commit actions without passing through sender and receiver. Saves gas by
    bypassing all validation steps, requires the sender and receiver both have approved this contract
    as a Controller (ex: call `setControllerApprovalForAll(this_address, true)` on the sending/receiving contract).
    */
    function commitAction(Action calldata action, uint256 _nonce) 
        external
        payable
        virtual
        override(ERC5050State)
        onlyCommittableAction(action)
    {
        // // check ownership of nfts is either msg.sender
        // if (IERC721(action.from._address).ownerOf(action.from._tokenId) != _msgSender()) {
        //     revert ("Invalid Owner");
        // }
        
        _beforeCommitAction(action, _nonce);
        if (action.selector == EQUIP_SELECTOR) {
            bytes4 collectionType;
            bytes calldata _data = action.data;
            assembly {
                // Get first 4 bytes
                collectionType := calldataload(_data.offset)
            }
            _equip(
                action.from,
                action.to,
                collectionType
            );
        } else if (action.selector == UNEQUIP_SELECTOR) {
            bytes4 collectionType;
            bytes calldata _data = action.data;
            assembly {
                // Get first 4 bytes
                collectionType := calldataload(_data.offset)
            }
            _unequip(
                action.from,
                action.to,
                collectionType
            );
        }
    }
    
    /// @notice returns all equipments bound to an anomura.
    /// @param _tokenId id of the anomura to get the equipment list.
    /// @return equipments array.
    function allEquipmentsOf(address _contract, uint256 _tokenId) external view returns (Object[] memory equipments) {
        uint256 count = equipmentCountOf[_contract][_tokenId];
        equipments = new Object[](count);
        for (uint256 i = 0; i < count; i++) equipments[i] = equipmentsOf[_contract][_tokenId][i];
    }
    
    function supportsInterface(bytes4 interfaceId)
        public
        view
        override(AccessControlEnumerableUpgradeable, ERC1155ReceiverUpgradeable)
        returns (bool)
    {
        return type(IAccessControlEnumerableUpgradeable).interfaceId == interfaceId || 
        type(IERC1155ReceiverUpgradeable).interfaceId == interfaceId ||
        type(IERC5050Receiver).interfaceId == interfaceId ||
        super.supportsInterface(interfaceId);
    }

    function onERC1155Received(
        address,
        address,
        uint256,
        uint256,
        bytes calldata
    ) external pure override returns (bytes4) {
        return IERC1155ReceiverUpgradeable.onERC1155Received.selector;
    }

    function onERC1155BatchReceived(
        address,
        address,
        uint256[] calldata,
        uint256[] calldata,
        bytes calldata
    ) external pure override returns (bytes4) {
        return IERC1155ReceiverUpgradeable.onERC1155BatchReceived.selector;
    }

    function setContractPause(bool isPaused_) external onlyRole(DEFAULT_ADMIN_ROLE) {
        isPaused = isPaused_;
    }
    function registerReceivable(string memory action) external onlyRole(DEFAULT_ADMIN_ROLE) {
        _registerReceivable(action);
    }

    function setProxyRegistry(address registry) external onlyRole(DEFAULT_ADMIN_ROLE) {
        _setProxyRegistry(registry);
    }

    function getProxyRegistry() external view returns (address) {
        return address(ERC5050StateStorage.layout().proxyRegistry);
    }

    function getLastActionOnNft(address _address, uint256 _id) external view returns (uint256) {
        return lastActionAtBlock[_address][_id];
    }
}

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

• No Contract Security Audit Submitted- Submit Audit Here

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IAnomuraData","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"anomuraMap","outputs":[{"internalType":"string","name":"body","type":"string"},{"internalType":"string","name":"claws","type":"string"},{"internalType":"string","name":"legs","type":"string"},{"internalType":"string","name":"shell","type":"string"},{"internalType":"string","name":"headPieces","type":"string"},{"internalType":"string","name":"background","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"bowlAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_bowlAddress","type":"address"},{"internalType":"address","name":"_anomuraDataAddress","type":"address"},{"internalType":"string","name":"_baseURI","type":"string"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","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":"isPaused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_address","type":"address"}],"name":"mintAnomura","outputs":[{"internalType":"uint256","name":"anomuraId","type":"uint256"}],"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":"address","name":"_address","type":"address"}],"name":"ownerMintAnomura","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_anomuraDataAddress","type":"address"}],"name":"setAnomuraData","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_baseURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_bowlAddress","type":"address"}],"name":"setBowlAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_isPaused","type":"bool"}],"name":"setContractPaused","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"universalManager_","type":"address"}],"name":"setUniversalManager","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":[{"internalType":"address","name":"_ownerAddr","type":"address"}],"name":"tokensOfOwner","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"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":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"universalEquipmentManager","outputs":[{"internalType":"contract IUniversalEquipmentManager","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"withdrawAvailableBalance","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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