Micro3 GENE

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }

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

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

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

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

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

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

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

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

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

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

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

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

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

    function _verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) private pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IERC165.sol";

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

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

import "@openzeppelin/contracts/token/ERC721/IERC721.sol";
import "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol";
import "@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "@openzeppelin/contracts/utils/Strings.sol";
import "@openzeppelin/contracts/utils/introspection/ERC165.sol";

contract GENE is ERC165, IERC721, IERC721Metadata {
    using Address for address;
    using Strings for uint256;

    /* ============ State Variables ============ */

    struct Info {
        bytes32 id;
        uint160 owner;
        uint256 value;
        uint8 types;
        uint256 bornTime;
    }

    // Owner
    address public owner;

    // Token name
    string private _name = "Micro3 GENE";

    // Token symbol
    string private _symbol = "GENE";

    // Total number of tokens burned
    uint256 private _burnCount;

    // Version of GENE contract
    uint8 private _version = 1;

    // Max Supply
    uint256 private _maxSupply = type(uint256).max;

    // Array of all tokens storing the owner's address and the campaign id
    Info[] private _tokens;

    // Mapping owner address to credential count
    mapping(bytes32 => uint256) private _credentials;

    // Mapping owner address to credential count
    mapping(uint256 => string) private _tokenURIs;

    // 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;

    // Mint and burn Info.
    mapping(address => bool) private _minters;

    //Whitelist transfer
    mapping(address => bool) private _whitelists;

    // Edit Info.
    mapping(address => bool) private _editors;

    // Default allow transfer
    bool private _transferable;

    // Default one URI
    string private _baseURI = "";

    bool private _initialized;

    /* ============ Events ============ */
    // Add new minter
    event EventMinterAdded(address indexed newMinter);

    // Remove old minter
    event EventMinterRemoved(address indexed oldMinter);

    // Add new whitelister
    event EventWhitelisterAdded(address indexed newMinter);

    // Remove old whitelister
    event EventWhitelisterRemoved(address indexed oldMinter);

    // Add new whitelister
    event EventEditorAdded(address indexed newAddress);

    // Remove old whitelister
    event EventEditorRemoved(address indexed newAddress);

    /* ============ Custom Error ============ */
    error OnlyMinter();
    error OnlyEditor();
    error OnlyTransferable();
    error IsExists();
    error OutBoundIndex();
    error IsZeroAddress();
    error IsApproved();
    error IsOwner();
    error IsAdded();
    error IsNotAdded();
    error IsERC721Received();
    error Unauthorized();
    /* ============ Modifiers ============ */

    /**
     * Only minter.
     */
    modifier onlyMinter() {
        if (!_minters[msg.sender]) {
            revert OnlyMinter();
        }
        _;
    }

    /**
     * Only editor.
     */
    modifier onlyEditor() {
        if (!_editors[msg.sender]) {
            revert OnlyEditor();
        }
        _;
    }

    /**
     * Only allow transfer.
     */
    modifier onlyTransferable(address from, address to) {
        if (!_transferable && !_whitelists[to]) {
            revert OnlyTransferable();
        }
        _;
    }

    /**
     * Only Exists .
     */
    modifier onlyExists(uint256 tokenId) {
        if (!_exists(tokenId)) {
            revert IsExists();
        }
        _;
    }

    /**
     * Only Exists .
     */
    modifier onlyIsApproved(address sender, uint256 tokenId) {
        if (!_isApprovedOrOwner(sender, tokenId)) {
            revert IsApproved();
        }
        _;
    }

    /**
     * Only Owner .
     */
    modifier onlyIsOwner(address sender, uint256 tokenId) {
        if (!isOwnerOf(sender, tokenId)) {
            revert IsOwner();
        }
        _;
    }

    /**
     * Only Zero Address .
     */
    modifier onlyZeroAddress(address sender) {
        if (sender == address(0)) {
            revert IsZeroAddress();
        }
        _;
    }

    /**
     * Only Owner .
     */
    modifier onlyOwner() {
        require(owner == msg.sender);
        _;
    }

    /**
     * @dev Initializes the contract
     */
    function init(bytes memory initPayload) external returns (bool) {
        if (_initialized) {
            revert Unauthorized();
        }
        address _owner = abi.decode(initPayload, (address));
        // Initialize zero index value
        Info memory _nft = Info(0, 0, 0, 0, 0);
        _tokens.push(_nft);
        owner = _owner;
        _minters[_owner] = true;
        _whitelists[_owner] = true;
        _editors[_owner] = true;
        _transferable = false;
        _initialized = true;
        return true;
    }

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

    /**
     * @dev Is this address a minters.
     */
    function minters(address account) external view returns (bool) {
        return _minters[account];
    }

    /**
     * @dev Is this contract allow nft transfer.
     */
    function transferable() external view returns (bool) {
        return _transferable;
    }

    /**
     * @dev Returns the base URI for nft.
     */
    function baseURI() external view returns (string memory) {
        return _baseURI;
    }

    /**
     * @dev Get mintingTime.
     */
    function getInfo(uint256 tokenId)
        external
        view
        onlyExists(tokenId)
        returns (Info memory)
    {
        return _tokens[tokenId];
    }

    /**
     * @dev Get mintingTime.
     */
    function getCredentials(bytes32 _id) external view returns (uint256) {
        return _credentials[_id];
    }

    /**
     * @dev Get Info NFT owner
     */
    function getNumMinted() public view returns (uint256) {
        return _tokens.length - 1;
    }

    /**
     * @dev See {IERC721Enumerable-totalSupply}.
     */
    function totalSupply() external view returns (uint256) {
        return getNumMinted() - _burnCount;
    }

    /**
     * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.
     * This is implementation is O(n) and should not be
     * called by other contracts.
     */
    function tokenOfOwnerByIndex(address _owner, uint256 index)
        public
        view
        returns (uint256)
    {
        uint256 currentIndex = 0;
        for (uint256 i = 1; i < _tokens.length; ) {
            if (isOwnerOf(_owner, i)) {
                if (currentIndex == index) {
                    return i;
                }
                currentIndex += 1;
            }
            unchecked {
                ++i;
            }
        }
        revert OutBoundIndex();
    }

    function tokensOfOwner(address _owner)
        external
        view
        returns (uint256[] memory)
    {
        uint256 tokenIdsIdx;
        uint256 tokenIdsLength = balanceOf(_owner);
        uint256[] memory tokenIds = new uint256[](tokenIdsLength);
        for (uint256 i = 0; tokenIdsIdx != tokenIdsLength; ) {
            tokenIds[tokenIdsIdx++] = tokenOfOwnerByIndex(_owner, i);
            unchecked {
                ++i;
            }
        }
        return tokenIds;
    }

    function tokensOfOwnerByCursor(
        address _owner,
        uint256 cursor,
        uint256 size
    ) external view returns (uint256[] memory) {
        uint256 tokenIdsIdx;
        uint256 tokenIdsLength = balanceOf(_owner);
        uint256 length = size;

        if (length > tokenIdsLength - cursor) {
            length = tokenIdsLength - cursor;
        }

        uint256[] memory tokenIds = new uint256[](length);
        for (uint256 i = 0; tokenIdsIdx != length; ) {
            tokenIds[tokenIdsIdx++] = tokenOfOwnerByIndex(_owner, i);
            unchecked {
                ++i;
            }
        }
        return tokenIds;
    }

    /**
     * @dev See {IERC721-balanceOf}.
     */
    function balanceOf(address _owner)
        public
        view
        override
        onlyZeroAddress(_owner)
        returns (uint256)
    {
        return _balances[_owner];
    }

    /**
     * @dev See {IERC721-ownerOf}.
     */
    function ownerOf(uint256 tokenId)
        public
        view
        override
        onlyExists(tokenId)
        returns (address)
    {
        return address(_tokens[tokenId].owner);
    }

    /**
     * @dev See {isOwnerOf}.
     */
    function isOwnerOf(address account, uint256 id) public view returns (bool) {
        address _owner = ownerOf(id);
        return _owner == account;
    }

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

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

    /**
     * @dev See {GENE-version}.
     */
    function version() external view returns (uint8) {
        return _version;
    }

    /**
     * @dev See {IERC721Metadata-tokenURI}.
     */
    function tokenURI(uint256 tokenId)
        external
        view
        override
        onlyExists(tokenId)
        returns (string memory)
    {
        if (bytes(_baseURI).length > 0) {
            return _baseURI;
        }

        return _tokenURIs[tokenId];
    }

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

        require(
            msg.sender == _owner || isApprovedForAll(_owner, msg.sender),
            "not owner for all"
        );

        _approve(to, tokenId);
    }

    /**
     * @dev See {IERC721-getApproved}.
     */
    function getApproved(uint256 tokenId)
        public 
        view
        override
        onlyExists(tokenId)
        returns (address)
    {
        return _tokenApprovals[tokenId];
    }

    /**
     * @dev See {IERC721-setApprovalForAll}.
     */
    function setApprovalForAll(address operator, bool approved)
        public
        override
    {
        require(operator != msg.sender, "approve to caller");

        _operatorApprovals[msg.sender][operator] = approved;
        emit ApprovalForAll(msg.sender, operator, approved);
    }

    /**
     * @dev See {IERC721-isApprovedForAll}.
     */
    function isApprovedForAll(address _owner, address _operator)
        public
        view
        override
        returns (bool)
    {
        if (_minters[_operator]) return true;
        return _operatorApprovals[_owner][_operator];
    }

    /**
     * @dev See {IERC721-transferFrom}.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    )
        external 
        override
        onlyTransferable(from, to)
        onlyIsApproved(msg.sender, tokenId)
    {
        _transfer(from, to, tokenId);
    }

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

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    )
        public
        override
        onlyTransferable(from, to)
        onlyIsApproved(msg.sender, tokenId)
    {
        _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 {
        _transfer(from, to, tokenId);
        if (!_checkOnERC721Received(from, to, tokenId, _data)) {
            revert IsERC721Received();
        }
    }

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

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

    function editInfo(
        address _owner,
        uint256 _tokenId,
        uint256 _value
    )
        external
        onlyEditor
        onlyExists(_tokenId)
        onlyIsOwner(_owner, _tokenId)
        returns (uint256)
    {
        _tokens[_tokenId].value = _value;
        return _tokenId;
    }

    function mint(
        address _account,
        uint256 _value,
        bytes32 _id,
        uint8 _types,
        string calldata _tokenURI
    ) external onlyMinter onlyZeroAddress(_account) returns (uint256) {
        bytes32 hashKey = generateHashKey(_account, _id, _types);

        if (_credentials[hashKey] > 0) {
            revert IsExists();
        }

        uint256 tokenId = _tokens.length;

        Info memory _nft = Info(
            _id,
            uint160(_account),
            _value,
            _types,
            block.timestamp
        );

        _balances[_account] += 1;
        _tokens.push(_nft);
        _credentials[hashKey] = tokenId;
        _tokenURIs[tokenId] = _tokenURI;

        if (!_checkOnERC721Received(address(0), _account, tokenId, "")) {
            revert IsERC721Received();
        }

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

        return tokenId;
    }

    function burn(address account, uint256 id)
        external
        onlyMinter
        onlyIsApproved(msg.sender, id)
        onlyIsOwner(account, id)
    {
        // Clear approvals
        _approve(address(0), id);
        _burnCount++;
        _balances[account] -= 1;
        bytes32 hashKey = generateHashKey(
            account,
            _tokens[id].id,
            _tokens[id].types
        );
        _credentials[hashKey] = 0;
        _tokens[id].id = 0;
        _tokens[id].owner = 0;
        _tokens[id].value = 0;
        _tokens[id].types = 0;
        _tokens[id].bornTime = 0;
        _tokenURIs[id] = "";

        emit Transfer(account, address(0), id);
    }

    function generateHashKey(
        address account,
        bytes32 id,
        uint8 types
    ) internal pure returns (bytes32) {
        return keccak256(abi.encode(account, id, types));
    }

    /**
     * @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 onlyIsOwner(from, tokenId) onlyZeroAddress(to) {
        // Clear approvals from the previous owner
        _approve(address(0), tokenId);
        _balances[from] -= 1;
        _balances[to] += 1;
        _tokens[tokenId].owner = uint160(to);

        emit Transfer(from, to, tokenId);
    }

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

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

    /* ============ Util Functions ============ */
    /**
     * @dev Sets a new revealedURI for all token types.
     */
    function setBaseURI(string memory _uri) external onlyOwner {
        _baseURI = _uri;
    }

    /**
     * @dev Sets a new transferable for all token types.
     */
    function setTransferable(bool _trans) external onlyOwner {
        _transferable = _trans;
    }

    /**
     * @dev Sets a new name for all token types.
     */
    function setName(string calldata newName) external onlyOwner {
        _name = newName;
    }

    /**
     * @dev Sets a new symbol for all token types.
     */
    function setSymbol(string calldata newSymbol) external onlyOwner {
        _symbol = newSymbol;
    }

    /**
     * @dev Add a new minter.
     */
    function addMinter(address minter)
        external
        onlyOwner
        onlyZeroAddress(minter)
    {
        if (_minters[minter]) {
            revert IsAdded();
        }
        _minters[minter] = true;
        emit EventMinterAdded(minter);
    }

    /**
     * @dev Remove a old minter.
     */
    function removeMinter(address minter) external onlyOwner {
        if (!_minters[minter]) {
            revert IsNotAdded();
        }
        delete _minters[minter];
        emit EventMinterRemoved(minter);
    }

    /**
     * @dev Add a new minter.
     */
    function addWhitelist(address whitelist)
        external
        onlyOwner
        onlyZeroAddress(whitelist)
    {
        if (_whitelists[whitelist]) {
            revert IsAdded();
        }
        _whitelists[whitelist] = true;
        emit EventWhitelisterAdded(whitelist);
    }

    /**
     * @dev Remove a old minter.
     */
    function removeWhitelist(address whitelist) external onlyOwner {
        if (!_whitelists[whitelist]) {
            revert IsNotAdded();
        }
        delete _whitelists[whitelist];
        emit EventWhitelisterRemoved(whitelist);
    }

    /**
     * @dev Add a new minter.
     */
    function addEditor(address editor)
        external
        onlyOwner
        onlyZeroAddress(editor)
    {
        if (_editors[editor]) {
            revert IsAdded();
        }
        _editors[editor] = true;
        emit EventEditorAdded(editor);
    }

    /**
     * @dev Remove a old minter.
     */
    function removeEditor(address editor) external onlyOwner {
        if (!_editors[editor]) {
            revert IsNotAdded();
        }
        delete _editors[editor];
        emit EventEditorRemoved(editor);
    }
}

// SPDX-License-Identifier: MIT

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

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

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

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

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

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../IERC721.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Metadata is IERC721 {
    /**
     * @dev Returns the token collection name.
     */
    function name() external view returns (string memory);

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

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

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

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

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

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

{
  "compilationTarget": {
    "contracts/staking/GENE.sol": "GENE"
  },
  "evmVersion": "london",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": []
}