// File: contracts/app/GenArtCurated.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;
import "../access/GenArtAccess.sol";
import "../factory/GenArtCollectionFactory.sol";
import "../factory/GenArtPaymentSplitterFactory.sol";
import "../interface/IGenArtERC721.sol";
import "../interface/IGenArtMinter.sol";

/**
 * @dev GEN.ART Curated
 * Admin of {GenArtCollectionFactory} and {GenArtPaymentSplitterFactory}
 */

contract GenArtCurated is GenArtAccess {
    struct Collection {
        uint256 id;
        address artist;
        address contractAddress;
        uint256 maxSupply;
        string script;
    }

    struct Artist {
        address wallet;
        address[] collections;
        address paymentSplitter;
    }

    struct CollectionInfo {
        string name;
        string symbol;
        address minter;
        Collection collection;
        Artist artist;
    }

    mapping(address => Collection) public collections;
    mapping(address => Artist) public artists;

    address public collectionFactory;
    address public paymentSplitterFactory;

    event ScriptUpdated(address collection, string script);

    constructor(address collectionFactory_, address paymentSplitterFactory_) {
        collectionFactory = collectionFactory_;
        paymentSplitterFactory = paymentSplitterFactory_;
    }

    /**
     * @dev Internal functtion to close the ERC721 implementation contract
     */
    function _cloneCollection(CollectionParams memory params)
        internal
        returns (address instance, uint256 id)
    {
        (instance, id) = GenArtCollectionFactory(collectionFactory)
            .cloneCollectionContract(params);
        collections[instance] = Collection(
            id,
            params.artist,
            instance,
            params.maxSupply,
            params.script
        );
    }

    /**
     * @dev Internal functtion to create the collection and risgister to minter
     */
    function _createCollection(CollectionParams memory params)
        internal
        returns (address instance, uint256 id)
    {
        (instance, id) = _cloneCollection(params);
        address minter = GenArtCollectionFactory(collectionFactory).minters(
            params.minterIndex
        );
        IGenArtMinter(minter).addPricing(instance, params.artist);
    }

    /**
     * @dev Clones an ERC721 implementation contract
     * @param artist address of artist
     * @param name name of collection
     * @param symbol ERC721 symbol for collection
     * @param script single html as string
     * @param maxSupply max token supply
     * @param erc721Index ERC721 implementation index
     * @param minterIndex minter index
     */
    function createCollection(
        address artist,
        string memory name,
        string memory symbol,
        string memory script,
        bool hasOnChainScript,
        uint256 maxSupply,
        uint8 erc721Index,
        uint8 minterIndex
    ) external onlyAdmin {
        Artist storage artist_ = artists[artist];
        require(artist_.wallet != address(0), "artist does not exist");

        (address instance, ) = _createCollection(
            CollectionParams(
                artist,
                name,
                symbol,
                script,
                hasOnChainScript,
                maxSupply,
                erc721Index,
                minterIndex,
                artists[artist].paymentSplitter
            )
        );
        artist_.collections.push(instance);
    }

    /**
     * @dev Get all available mints for account
     * @param artist address of artist
     * @param payeesMint address list of payees of mint proceeds
     * @param payeesRoyalties address list of payees of royalties
     * @param sharesMint list of shares for mint proceeds
     * @param sharesRoyalties list of shares for royalties
     * Note payee and shares indices must be in respective order
     */
    function createArtist(
        address artist,
        address[] memory payeesMint,
        address[] memory payeesRoyalties,
        uint256[] memory sharesMint,
        uint256[] memory sharesRoyalties
    ) external onlyAdmin {
        require(artists[artist].wallet == address(0), "already exists");
        address paymentSplitter = GenArtPaymentSplitterFactory(
            paymentSplitterFactory
        ).clone(
                genartAdmin,
                artist,
                payeesMint,
                payeesRoyalties,
                sharesMint,
                sharesRoyalties
            );
        address[] memory collections_;
        artists[artist] = Artist(artist, collections_, paymentSplitter);
    }

    /**
     * @dev Helper function to get {PaymentSplitter} of artist
     */
    function getPaymentSplitterForCollection(address collection)
        external
        view
        returns (address)
    {
        return artists[collections[collection].artist].paymentSplitter;
    }

    /**
     * @dev Get artist struct
     * @param artist adress of artist
     */
    function getArtist(address artist) external view returns (Artist memory) {
        return artists[artist];
    }

    /**
     * @dev Get collection info
     * @param collection contract address of the collection
     */
    function getCollectionInfo(address collection)
        external
        view
        returns (CollectionInfo memory info)
    {
        (
            string memory name,
            string memory symbol,
            address artist,
            address minter,
            ,
            ,

        ) = IGenArtERC721(collection).getInfo();
        Artist memory artist_ = artists[artist];

        info = CollectionInfo(
            name,
            symbol,
            minter,
            collections[collection],
            artist_
        );
    }

    /**
     * @dev Set the {GenArtCollectionFactory} contract address
     */
    function setCollectionFactory(address factory) external onlyAdmin {
        collectionFactory = factory;
    }

    /**
     * @dev Set the {GenArtPaymentSplitterFactory} contract address
     */
    function setPaymentSplitterFactory(address factory) external onlyAdmin {
        paymentSplitterFactory = factory;
    }

    /**
     * @dev Update script of collection
     * @param collection contract address of the collection
     * @param script single html as string
     */
    function updateScript(address collection, string memory script) external {
        address sender = _msgSender();
        require(
            collections[collection].artist == sender ||
                admins[sender] ||
                owner() == sender,
            "not allowed"
        );
        collections[collection].script = script;
        emit ScriptUpdated(collection, script);
    }
}

// File: contracts/factory/GenArtCollectionFactory.sol



// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "@openzeppelin/contracts/proxy/Clones.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "../access/GenArtAccess.sol";

/**
 * GEN.ART ERC721 contract factory
 */

struct CollectionParams {
    address artist;
    string name;
    string symbol;
    string script;
    bool hasOnChainScript;
    uint256 maxSupply;
    uint8 erc721Index;
    uint8 minterIndex;
    address paymentSplitter;
}

contract GenArtCollectionFactory is GenArtAccess {
    mapping(uint8 => address) public minters;
    mapping(uint8 => address) public erc721Implementations;
    address public paymentSplitterImplementation;
    string public uri;
    uint256 public lastCollectionIdScript = 30002;
    uint256 public lastCollectionIdOther = 20003;
    event Created(
        uint256 id,
        address contractAddress,
        address artist,
        string name,
        string symbol,
        string script,
        uint256 maxSupply,
        address minter,
        address implementation
    );

    constructor(string memory uri_) GenArtAccess() {
        uri = uri_;
    }

    /**
     * @dev Get next collection id
     */
    function _getNextCollectionId(bool isScript) internal returns (uint256) {
        uint256 id;
        if (isScript) {
            id = lastCollectionIdScript + 1;
            lastCollectionIdScript++;
        } else {
            id = lastCollectionIdOther + 1;
            lastCollectionIdOther++;
        }
        return id;
    }

    /**
     * @dev Create initializer for clone
     * Note The method signature is created on chain to prevent malicious initialization args
     */
    function _createInitializer(
        uint256 id,
        address artist,
        string memory name,
        string memory symbol,
        uint256 maxSupply,
        address minter,
        address paymentSplitter
    ) internal view returns (bytes memory) {
        return
            abi.encodeWithSignature(
                "initialize(string,string,string,uint256,uint256,address,address,address,address)",
                name,
                symbol,
                uri,
                id,
                maxSupply,
                genartAdmin,
                artist,
                minter,
                paymentSplitter
            );
    }

    /**
     * @dev Cone an implementation contract
     */
    function cloneCollectionContract(CollectionParams memory params)
        external
        onlyAdmin
        returns (address, uint256)
    {
        address minter = minters[params.minterIndex];
        address implementation = erc721Implementations[params.erc721Index];
        require(minter != address(0), "invalid minterIndex");
        require(implementation != address(0), "invalid erc721Index");
        uint256 id = _getNextCollectionId(params.hasOnChainScript);
        bytes memory initializer = _createInitializer(
            id,
            params.artist,
            params.name,
            params.symbol,
            params.maxSupply,
            minter,
            params.paymentSplitter
        );
        address instance = Clones.clone(implementation);
        Address.functionCall(instance, initializer);
        emit Created(
            id,
            instance,
            params.artist,
            params.name,
            params.symbol,
            params.script,
            params.maxSupply,
            minter,
            implementation
        );
        return (instance, id);
    }

    /**
     * @dev Add an ERC721 implementation contract and map by index
     */
    function addErc721Implementation(uint8 index, address implementation)
        external
        onlyAdmin
    {
        erc721Implementations[index] = implementation;
    }

    /**
     * @dev Add a minter contract and map by index
     */
    function addMinter(uint8 index, address minter) external onlyAdmin {
        minters[index] = minter;
    }

    /**
     * @dev Sets the base tokenURI for collections
     */
    function setUri(string memory uri_) external onlyAdmin {
        uri = uri_;
    }
}

// File: contracts/access/GenArtAccess.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;
import "@openzeppelin/contracts/access/Ownable.sol";

/**
 * @dev This implements access control for owner and admins
 */
abstract contract GenArtAccess is Ownable {
    mapping(address => bool) public admins;
    address public genartAdmin;

    constructor() Ownable() {
        genartAdmin = _msgSender();
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyAdmin() {
        address sender = _msgSender();
        require(
            owner() == sender || admins[sender],
            "GenArtAccess: caller is not the owner nor admin"
        );
        _;
    }

    /**
     * @dev Throws if called by any account other than the GEN.ART admin.
     */
    modifier onlyGenArtAdmin() {
        address sender = _msgSender();
        require(
            genartAdmin == sender,
            "GenArtAccess: caller is not genart admin"
        );
        _;
    }

    function setGenArtAdmin(address admin) public onlyGenArtAdmin {
        genartAdmin = admin;
    }

    function setAdminAccess(address admin, bool access) public onlyGenArtAdmin {
        admins[admin] = access;
    }
}

// File: contracts/factory/GenArtPaymentSplitterFactory.sol



// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "@openzeppelin/contracts/proxy/Clones.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "../access/GenArtAccess.sol";

/**
 * GEN.ART {GenArtPaymentSplitter} contract factory
 */

contract GenArtPaymentSplitterFactory is GenArtAccess {
    struct Payment {
        address[] payees;
        uint256[] shares;
    }
    address public implementation;

    event Created(
        address contractAddress,
        address artist,
        address[] payeesMint,
        address[] payeesRoyalties,
        uint256[] sharesMint,
        uint256[] sharesRoyalties
    );

    constructor(address implementation_) GenArtAccess() {
        implementation = implementation_;
    }

    function _createInitializer(
        address owner,
        address[] memory payeesMint,
        address[] memory payeesRoyalties,
        uint256[] memory sharesMint,
        uint256[] memory sharesRoyalties
    ) internal pure returns (bytes memory) {
        return
            abi.encodeWithSignature(
                "initialize(address,address[],address[],uint256[],uint256[])",
                owner,
                payeesMint,
                payeesRoyalties,
                sharesMint,
                sharesRoyalties
            );
    }

    /**
     * @dev Cone a {PaymentSplitter} implementation contract
     */
    function clone(
        address owner,
        address artist,
        address[] memory payeesMint,
        address[] memory payeesRoyalties,
        uint256[] memory sharesMint,
        uint256[] memory sharesRoyalties
    ) external onlyAdmin returns (address) {
        bytes memory initializer = _createInitializer(
            owner,
            payeesMint,
            payeesRoyalties,
            sharesMint,
            sharesRoyalties
        );
        address instance = Clones.clone(implementation);
        Address.functionCall(instance, initializer);
        emit Created(
            instance,
            artist,
            payeesMint,
            payeesRoyalties,
            sharesMint,
            sharesRoyalties
        );
        return instance;
    }
}

// File: contracts/interface/IGenArtERC721.sol



// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;
import "@openzeppelin/contracts-upgradeable/interfaces/IERC2981Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/interfaces/IERC721EnumerableUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/interfaces/IERC721MetadataUpgradeable.sol";

interface IGenArtERC721 is
    IERC721MetadataUpgradeable,
    IERC2981Upgradeable,
    IERC721EnumerableUpgradeable
{
    function initialize(
        string memory name,
        string memory symbol,
        string memory uri,
        uint256 id,
        uint256 maxSupply,
        address admin,
        address artist,
        address minter,
        address paymentSplitter
    ) external;

    function getTokensByOwner(address _owner)
        external
        view
        returns (uint256[] memory);

    function getInfo()
        external
        view
        returns (
            string memory,
            string memory,
            address,
            address,
            uint256,
            uint256,
            uint256
        );

    function mint(address to, uint256 membershipId) external;
}

// File: contracts/interface/IGenArtMinter.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

interface IGenArtMinter {
    function mintOne(address collection, uint256 membershipId) external payable;

    function mint(address collection, uint256 amount) external payable;

    function getPrice(address collection) external view returns (uint256);

    function addPricing(address collection, address artist) external;

    function getAvailableMintsForAccount(address collection, address account)
        external
        view
        returns (uint256);

    function getAvailableMintsForMembership(
        address collection,
        uint256 membershipId
    ) external view returns (uint256);

    function getMembershipMints(address collection, uint256 membershipId)
        external
        view
        returns (uint256);
}

// File: @openzeppelin/contracts/proxy/Clones.sol



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

pragma solidity ^0.8.0;

/**
 * @dev https://eips.ethereum.org/EIPS/eip-1167[EIP 1167] is a standard for
 * deploying minimal proxy contracts, also known as "clones".
 *
 * > To simply and cheaply clone contract functionality in an immutable way, this standard specifies
 * > a minimal bytecode implementation that delegates all calls to a known, fixed address.
 *
 * The library includes functions to deploy a proxy using either `create` (traditional deployment) or `create2`
 * (salted deterministic deployment). It also includes functions to predict the addresses of clones deployed using the
 * deterministic method.
 *
 * _Available since v3.4._
 */
library Clones {
    /**
     * @dev Deploys and returns the address of a clone that mimics the behaviour of `implementation`.
     *
     * This function uses the create opcode, which should never revert.
     */
    function clone(address implementation) internal returns (address instance) {
        /// @solidity memory-safe-assembly
        assembly {
            let ptr := mload(0x40)
            mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
            mstore(add(ptr, 0x14), shl(0x60, implementation))
            mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)
            instance := create(0, ptr, 0x37)
        }
        require(instance != address(0), "ERC1167: create failed");
    }

    /**
     * @dev Deploys and returns the address of a clone that mimics the behaviour of `implementation`.
     *
     * This function uses the create2 opcode and a `salt` to deterministically deploy
     * the clone. Using the same `implementation` and `salt` multiple time will revert, since
     * the clones cannot be deployed twice at the same address.
     */
    function cloneDeterministic(address implementation, bytes32 salt) internal returns (address instance) {
        /// @solidity memory-safe-assembly
        assembly {
            let ptr := mload(0x40)
            mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
            mstore(add(ptr, 0x14), shl(0x60, implementation))
            mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)
            instance := create2(0, ptr, 0x37, salt)
        }
        require(instance != address(0), "ERC1167: create2 failed");
    }

    /**
     * @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}.
     */
    function predictDeterministicAddress(
        address implementation,
        bytes32 salt,
        address deployer
    ) internal pure returns (address predicted) {
        /// @solidity memory-safe-assembly
        assembly {
            let ptr := mload(0x40)
            mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
            mstore(add(ptr, 0x14), shl(0x60, implementation))
            mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf3ff00000000000000000000000000000000)
            mstore(add(ptr, 0x38), shl(0x60, deployer))
            mstore(add(ptr, 0x4c), salt)
            mstore(add(ptr, 0x6c), keccak256(ptr, 0x37))
            predicted := keccak256(add(ptr, 0x37), 0x55)
        }
    }

    /**
     * @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}.
     */
    function predictDeterministicAddress(address implementation, bytes32 salt)
        internal
        view
        returns (address predicted)
    {
        return predictDeterministicAddress(implementation, salt, address(this));
    }
}

// File: @openzeppelin/contracts/utils/Address.sol



// 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);
            }
        }
    }
}

// File: @openzeppelin/contracts/access/Ownable.sol



// 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);
    }
}

// File: @openzeppelin/contracts/utils/Context.sol



// 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;
    }
}

// File: @openzeppelin/contracts-upgradeable/interfaces/IERC721EnumerableUpgradeable.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (interfaces/IERC721Enumerable.sol)

pragma solidity ^0.8.0;

import "../token/ERC721/extensions/IERC721EnumerableUpgradeable.sol";

// File: @openzeppelin/contracts-upgradeable/interfaces/IERC721MetadataUpgradeable.sol



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

pragma solidity ^0.8.0;

import "../token/ERC721/extensions/IERC721MetadataUpgradeable.sol";

// File: @openzeppelin/contracts-upgradeable/interfaces/IERC2981Upgradeable.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (interfaces/IERC2981.sol)

pragma solidity ^0.8.0;

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

/**
 * @dev Interface for the NFT Royalty Standard.
 *
 * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal
 * support for royalty payments across all NFT marketplaces and ecosystem participants.
 *
 * _Available since v4.5._
 */
interface IERC2981Upgradeable is IERC165Upgradeable {
    /**
     * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of
     * exchange. The royalty amount is denominated and should be paid in that same unit of exchange.
     */
    function royaltyInfo(uint256 tokenId, uint256 salePrice)
        external
        view
        returns (address receiver, uint256 royaltyAmount);
}

// File: @openzeppelin/contracts-upgradeable/token/ERC721/extensions/IERC721EnumerableUpgradeable.sol



// 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);
}

// File: @openzeppelin/contracts-upgradeable/token/ERC721/IERC721Upgradeable.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0-rc.1) (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: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721
     * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must
     * understand this adds an external call which potentially creates a reentrancy vulnerability.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

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

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

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

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

// File: @openzeppelin/contracts-upgradeable/utils/introspection/IERC165Upgradeable.sol



// 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);
}

// File: @openzeppelin/contracts-upgradeable/token/ERC721/extensions/IERC721MetadataUpgradeable.sol



// 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);
}