Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
// File: @openzeppelin/contracts/utils/Context.sol

pragma solidity >=0.6.0 <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 GSN 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 payable) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes memory) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}

// File: @openzeppelin/contracts/introspection/IERC165.sol



pragma solidity >=0.6.0 <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);
}

// File: @openzeppelin/contracts/token/ERC721/IERC721.sol



pragma solidity >=0.6.2 <0.8.0;


/**
 * @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;
}

// File: @openzeppelin/contracts/token/ERC721/IERC721Metadata.sol



pragma solidity >=0.6.2 <0.8.0;


/**
 * @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);
}

// File: @openzeppelin/contracts/token/ERC721/IERC721Enumerable.sol



pragma solidity >=0.6.2 <0.8.0;


/**
 * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Enumerable is IERC721 {

    /**
     * @dev Returns the total amount of tokens stored by the contract.
     */
    function totalSupply() external view returns (uint256);

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

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

// File: @openzeppelin/contracts/token/ERC721/IERC721Receiver.sol



pragma solidity >=0.6.0 <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);
}

// File: @openzeppelin/contracts/introspection/ERC165.sol



pragma solidity >=0.6.0 <0.8.0;


/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts may inherit from this and call {_registerInterface} to declare
 * their support of an interface.
 */
abstract contract ERC165 is IERC165 {
    /*
     * bytes4(keccak256('supportsInterface(bytes4)')) == 0x01ffc9a7
     */
    bytes4 private constant _INTERFACE_ID_ERC165 = 0x01ffc9a7;

    /**
     * @dev Mapping of interface ids to whether or not it's supported.
     */
    mapping(bytes4 => bool) private _supportedInterfaces;

    constructor () internal {
        // Derived contracts need only register support for their own interfaces,
        // we register support for ERC165 itself here
        _registerInterface(_INTERFACE_ID_ERC165);
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     *
     * Time complexity O(1), guaranteed to always use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return _supportedInterfaces[interfaceId];
    }

    /**
     * @dev Registers the contract as an implementer of the interface defined by
     * `interfaceId`. Support of the actual ERC165 interface is automatic and
     * registering its interface id is not required.
     *
     * See {IERC165-supportsInterface}.
     *
     * Requirements:
     *
     * - `interfaceId` cannot be the ERC165 invalid interface (`0xffffffff`).
     */
    function _registerInterface(bytes4 interfaceId) internal virtual {
        require(interfaceId != 0xffffffff, "ERC165: invalid interface id");
        _supportedInterfaces[interfaceId] = true;
    }
}

// File: @openzeppelin/contracts/math/SafeMath.sol



pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        uint256 c = a + b;
        if (c < a) return (false, 0);
        return (true, c);
    }

    /**
     * @dev Returns the substraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b > a) return (false, 0);
        return (true, a - b);
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
        // benefit is lost if 'b' is also tested.
        // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
        if (a == 0) return (true, 0);
        uint256 c = a * b;
        if (c / a != b) return (false, 0);
        return (true, c);
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b == 0) return (false, 0);
        return (true, a / b);
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b == 0) return (false, 0);
        return (true, a % b);
    }

    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");
        return c;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b <= a, "SafeMath: subtraction overflow");
        return a - b;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a == 0) return 0;
        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");
        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0, "SafeMath: division by zero");
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0, "SafeMath: modulo by zero");
        return a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        return a - b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryDiv}.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        return a % b;
    }
}

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



pragma solidity >=0.6.2 <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;
        // solhint-disable-next-line no-inline-assembly
        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");

        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
        (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");

        // solhint-disable-next-line avoid-low-level-calls
        (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");

        // solhint-disable-next-line avoid-low-level-calls
        (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");

        // solhint-disable-next-line avoid-low-level-calls
        (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

                // solhint-disable-next-line no-inline-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

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



pragma solidity >=0.6.0 <0.8.0;

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

    struct Set {
        // Storage of set values
        bytes32[] _values;

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

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

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

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

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

            // When the value to delete is the last one, the swap operation is unnecessary. However, since this occurs
            // so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement.

            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] = toDeleteIndex + 1; // All indexes are 1-based

            // 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) {
        require(set._values.length > index, "EnumerableSet: index out of bounds");
        return set._values[index];
    }

    // 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);
    }

    // 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))));
    }


    // 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));
    }
}

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



pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Library for managing an enumerable variant of Solidity's
 * https://solidity.readthedocs.io/en/latest/types.html#mapping-types[`mapping`]
 * type.
 *
 * Maps have the following properties:
 *
 * - Entries are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Entries are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```
 * contract Example {
 *     // Add the library methods
 *     using EnumerableMap for EnumerableMap.UintToAddressMap;
 *
 *     // Declare a set state variable
 *     EnumerableMap.UintToAddressMap private myMap;
 * }
 * ```
 *
 * As of v3.0.0, only maps of type `uint256 -> address` (`UintToAddressMap`) are
 * supported.
 */
library EnumerableMap {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Map type with
    // bytes32 keys and values.
    // The Map implementation uses private functions, and user-facing
    // implementations (such as Uint256ToAddressMap) are just wrappers around
    // the underlying Map.
    // This means that we can only create new EnumerableMaps for types that fit
    // in bytes32.

    struct MapEntry {
        bytes32 _key;
        bytes32 _value;
    }

    struct Map {
        // Storage of map keys and values
        MapEntry[] _entries;

        // Position of the entry defined by a key in the `entries` array, plus 1
        // because index 0 means a key is not in the map.
        mapping (bytes32 => uint256) _indexes;
    }

    /**
     * @dev Adds a key-value pair to a map, or updates the value for an existing
     * key. O(1).
     *
     * Returns true if the key was added to the map, that is if it was not
     * already present.
     */
    function _set(Map storage map, bytes32 key, bytes32 value) private returns (bool) {
        // We read and store the key's index to prevent multiple reads from the same storage slot
        uint256 keyIndex = map._indexes[key];

        if (keyIndex == 0) { // Equivalent to !contains(map, key)
            map._entries.push(MapEntry({ _key: key, _value: value }));
            // The entry is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            map._indexes[key] = map._entries.length;
            return true;
        } else {
            map._entries[keyIndex - 1]._value = value;
            return false;
        }
    }

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

        if (keyIndex != 0) { // Equivalent to contains(map, key)
            // To delete a key-value pair from the _entries array in O(1), we swap the entry to delete with the last one
            // in the array, and then remove the last entry (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 toDeleteIndex = keyIndex - 1;
            uint256 lastIndex = map._entries.length - 1;

            // When the entry to delete is the last one, the swap operation is unnecessary. However, since this occurs
            // so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement.

            MapEntry storage lastEntry = map._entries[lastIndex];

            // Move the last entry to the index where the entry to delete is
            map._entries[toDeleteIndex] = lastEntry;
            // Update the index for the moved entry
            map._indexes[lastEntry._key] = toDeleteIndex + 1; // All indexes are 1-based

            // Delete the slot where the moved entry was stored
            map._entries.pop();

            // Delete the index for the deleted slot
            delete map._indexes[key];

            return true;
        } else {
            return false;
        }
    }

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

    /**
     * @dev Returns the number of key-value pairs in the map. O(1).
     */
    function _length(Map storage map) private view returns (uint256) {
        return map._entries.length;
    }

    /**
     * @dev Returns the key-value pair stored at position `index` in the map. O(1).
     *
     * Note that there are no guarantees on the ordering of entries inside the
     * array, and it may change when more entries are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function _at(Map storage map, uint256 index) private view returns (bytes32, bytes32) {
        require(map._entries.length > index, "EnumerableMap: index out of bounds");

        MapEntry storage entry = map._entries[index];
        return (entry._key, entry._value);
    }

    /**
     * @dev Tries to returns the value associated with `key`.  O(1).
     * Does not revert if `key` is not in the map.
     */
    function _tryGet(Map storage map, bytes32 key) private view returns (bool, bytes32) {
        uint256 keyIndex = map._indexes[key];
        if (keyIndex == 0) return (false, 0); // Equivalent to contains(map, key)
        return (true, map._entries[keyIndex - 1]._value); // All indexes are 1-based
    }

    /**
     * @dev Returns the value associated with `key`.  O(1).
     *
     * Requirements:
     *
     * - `key` must be in the map.
     */
    function _get(Map storage map, bytes32 key) private view returns (bytes32) {
        uint256 keyIndex = map._indexes[key];
        require(keyIndex != 0, "EnumerableMap: nonexistent key"); // Equivalent to contains(map, key)
        return map._entries[keyIndex - 1]._value; // All indexes are 1-based
    }

    /**
     * @dev Same as {_get}, with a custom error message when `key` is not in the map.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {_tryGet}.
     */
    function _get(Map storage map, bytes32 key, string memory errorMessage) private view returns (bytes32) {
        uint256 keyIndex = map._indexes[key];
        require(keyIndex != 0, errorMessage); // Equivalent to contains(map, key)
        return map._entries[keyIndex - 1]._value; // All indexes are 1-based
    }

    // UintToAddressMap

    struct UintToAddressMap {
        Map _inner;
    }

    /**
     * @dev Adds a key-value pair to a map, or updates the value for an existing
     * key. O(1).
     *
     * Returns true if the key was added to the map, that is if it was not
     * already present.
     */
    function set(UintToAddressMap storage map, uint256 key, address value) internal returns (bool) {
        return _set(map._inner, bytes32(key), bytes32(uint256(uint160(value))));
    }

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

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

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

    /**
     * @dev Returns the element 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(UintToAddressMap storage map, uint256 index) internal view returns (uint256, address) {
        (bytes32 key, bytes32 value) = _at(map._inner, index);
        return (uint256(key), address(uint160(uint256(value))));
    }

    /**
     * @dev Tries to returns the value associated with `key`.  O(1).
     * Does not revert if `key` is not in the map.
     *
     * _Available since v3.4._
     */
    function tryGet(UintToAddressMap storage map, uint256 key) internal view returns (bool, address) {
        (bool success, bytes32 value) = _tryGet(map._inner, bytes32(key));
        return (success, address(uint160(uint256(value))));
    }

    /**
     * @dev Returns the value associated with `key`.  O(1).
     *
     * Requirements:
     *
     * - `key` must be in the map.
     */
    function get(UintToAddressMap storage map, uint256 key) internal view returns (address) {
        return address(uint160(uint256(_get(map._inner, bytes32(key)))));
    }

    /**
     * @dev Same as {get}, with a custom error message when `key` is not in the map.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryGet}.
     */
    function get(UintToAddressMap storage map, uint256 key, string memory errorMessage) internal view returns (address) {
        return address(uint160(uint256(_get(map._inner, bytes32(key), errorMessage))));
    }
}

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



pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    /**
     * @dev Converts a `uint256` to its ASCII `string` 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);
        uint256 index = digits - 1;
        temp = value;
        while (temp != 0) {
            buffer[index--] = bytes1(uint8(48 + temp % 10));
            temp /= 10;
        }
        return string(buffer);
    }
}

// File: @openzeppelin/contracts/token/ERC721/ERC721.sol



pragma solidity >=0.6.0 <0.8.0;

/**
 * @title ERC721 Non-Fungible Token Standard basic implementation
 * @dev see https://eips.ethereum.org/EIPS/eip-721
 */

contract ERC721 is Context, ERC165, IERC721, IERC721Metadata, IERC721Enumerable {
    using SafeMath for uint256;
    using Address for address;
    using EnumerableSet for EnumerableSet.UintSet;
    using EnumerableMap for EnumerableMap.UintToAddressMap;
    using Strings for uint256;

    // Equals to `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`
    // which can be also obtained as `IERC721Receiver(0).onERC721Received.selector`
    bytes4 private constant _ERC721_RECEIVED = 0x150b7a02;

    // Mapping from holder address to their (enumerable) set of owned tokens
    mapping (address => EnumerableSet.UintSet) private _holderTokens;

    // Enumerable mapping from token ids to their owners
    EnumerableMap.UintToAddressMap private _tokenOwners;

    // 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;

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

    // Optional mapping for token URIs
    mapping (uint256 => string) private _tokenURIs;

    // Base URI
    string private _baseURI;

    /*
     *     bytes4(keccak256('balanceOf(address)')) == 0x70a08231
     *     bytes4(keccak256('ownerOf(uint256)')) == 0x6352211e
     *     bytes4(keccak256('approve(address,uint256)')) == 0x095ea7b3
     *     bytes4(keccak256('getApproved(uint256)')) == 0x081812fc
     *     bytes4(keccak256('setApprovalForAll(address,bool)')) == 0xa22cb465
     *     bytes4(keccak256('isApprovedForAll(address,address)')) == 0xe985e9c5
     *     bytes4(keccak256('transferFrom(address,address,uint256)')) == 0x23b872dd
     *     bytes4(keccak256('safeTransferFrom(address,address,uint256)')) == 0x42842e0e
     *     bytes4(keccak256('safeTransferFrom(address,address,uint256,bytes)')) == 0xb88d4fde
     *
     *     => 0x70a08231 ^ 0x6352211e ^ 0x095ea7b3 ^ 0x081812fc ^
     *        0xa22cb465 ^ 0xe985e9c5 ^ 0x23b872dd ^ 0x42842e0e ^ 0xb88d4fde == 0x80ac58cd
     */
    bytes4 private constant _INTERFACE_ID_ERC721 = 0x80ac58cd;

    /*
     *     bytes4(keccak256('name()')) == 0x06fdde03
     *     bytes4(keccak256('symbol()')) == 0x95d89b41
     *     bytes4(keccak256('tokenURI(uint256)')) == 0xc87b56dd
     *
     *     => 0x06fdde03 ^ 0x95d89b41 ^ 0xc87b56dd == 0x5b5e139f
     */
    bytes4 private constant _INTERFACE_ID_ERC721_METADATA = 0x5b5e139f;

    /*
     *     bytes4(keccak256('totalSupply()')) == 0x18160ddd
     *     bytes4(keccak256('tokenOfOwnerByIndex(address,uint256)')) == 0x2f745c59
     *     bytes4(keccak256('tokenByIndex(uint256)')) == 0x4f6ccce7
     *
     *     => 0x18160ddd ^ 0x2f745c59 ^ 0x4f6ccce7 == 0x780e9d63
     */
    bytes4 private constant _INTERFACE_ID_ERC721_ENUMERABLE = 0x780e9d63;

    /**
     * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.
     */
    constructor (string memory name_, string memory symbol_) public {
        _name = name_;
        _symbol = symbol_;

        // register the supported interfaces to conform to ERC721 via ERC165
        _registerInterface(_INTERFACE_ID_ERC721);
        _registerInterface(_INTERFACE_ID_ERC721_METADATA);
        _registerInterface(_INTERFACE_ID_ERC721_ENUMERABLE);
    }

    /**
     * @dev See {IERC721-balanceOf}.
     */
    function balanceOf(address owner) public view virtual override returns (uint256) {
        require(owner != address(0), "ERC721: balance query for the zero address");
        return _holderTokens[owner].length();
    }

    /**
     * @dev See {IERC721-ownerOf}.
     */
    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        return _tokenOwners.get(tokenId, "ERC721: owner query for nonexistent token");
    }

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

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

    /**
     * @dev See {IERC721Metadata-tokenURI}.
     */
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");

        string memory _tokenURI = _tokenURIs[tokenId];
        string memory base = baseURI();

        // If there is no base URI, return the token URI.
        if (bytes(base).length == 0) {
            return _tokenURI;
        }
        // If both are set, concatenate the baseURI and tokenURI (via abi.encodePacked).
        if (bytes(_tokenURI).length > 0) {
            return string(abi.encodePacked(base, _tokenURI));
        }
        // If there is a baseURI but no tokenURI, concatenate the tokenID to the baseURI.
        return string(abi.encodePacked(base, tokenId.toString()));
    }

    /**
    * @dev Returns the base URI set via {_setBaseURI}. This will be
    * automatically added as a prefix in {tokenURI} to each token's URI, or
    * to the token ID if no specific URI is set for that token ID.
    */
    function baseURI() public view virtual returns (string memory) {
        return _baseURI;
    }

    /**
     * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) {
        return _holderTokens[owner].at(index);
    }

    /**
     * @dev See {IERC721Enumerable-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        // _tokenOwners are indexed by tokenIds, so .length() returns the number of tokenIds
        return _tokenOwners.length();
    }

    /**
     * @dev See {IERC721Enumerable-tokenByIndex}.
     */
    function tokenByIndex(uint256 index) public view virtual override returns (uint256) {
        (uint256 tokenId, ) = _tokenOwners.at(index);
        return tokenId;
    }

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

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

        _approve(to, tokenId);
    }

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

        return _tokenApprovals[tokenId];
    }

    /**
     * @dev See {IERC721-setApprovalForAll}.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        require(operator != _msgSender(), "ERC721: approve to caller");

        _operatorApprovals[_msgSender()][operator] = approved;
        emit ApprovalForAll(_msgSender(), operator, approved);
    }

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

    /**
     * @dev See {IERC721-transferFrom}.
     */
    function transferFrom(address from, address to, uint256 tokenId) public virtual override {
        //solhint-disable-next-line max-line-length
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");

        _transfer(from, to, tokenId);
    }

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

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory _data) public virtual override {
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
        _safeTransfer(from, to, tokenId, _data);
    }

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * `_data` is additional data, it has no specified format and it is sent in call to `to`.
     *
     * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.
     * implement alternative mechanisms to perform token transfer, such as signature-based.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function _safeTransfer(address from, address to, uint256 tokenId, bytes memory _data) internal virtual {
        _transfer(from, to, tokenId);
        require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
    }

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

    /**
     * @dev Returns whether `spender` is allowed to manage `tokenId`.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
        require(_exists(tokenId), "ERC721: operator query for nonexistent token");
        address owner = ERC721.ownerOf(tokenId);
        return (spender == owner || getApproved(tokenId) == spender || ERC721.isApprovedForAll(owner, spender));
    }

    /**
     * @dev Safely mints `tokenId` and transfers it to `to`.
     *
     * Requirements:
     d*
     * - `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);

        _holderTokens[to].add(tokenId);

        _tokenOwners.set(tokenId, to);

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

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

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

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

        // Clear metadata (if any)
        if (bytes(_tokenURIs[tokenId]).length != 0) {
            delete _tokenURIs[tokenId];
        }

        _holderTokens[owner].remove(tokenId);

        _tokenOwners.remove(tokenId);

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

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *  As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     *
     * Emits a {Transfer} event.
     */
    function _transfer(address from, address to, uint256 tokenId) internal virtual {
        require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own"); // internal 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);

        _holderTokens[from].remove(tokenId);
        _holderTokens[to].add(tokenId);

        _tokenOwners.set(tokenId, to);

        emit Transfer(from, to, tokenId);
    }

    /**
     * @dev Sets `_tokenURI` as the tokenURI of `tokenId`.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function _setTokenURI(uint256 tokenId, string memory _tokenURI) internal virtual {
        require(_exists(tokenId), "ERC721Metadata: URI set of nonexistent token");
        _tokenURIs[tokenId] = _tokenURI;
    }

    /**
     * @dev Internal function to set the base URI for all token IDs. It is
     * automatically added as a prefix to the value returned in {tokenURI},
     * or to the token ID if {tokenURI} is empty.
     */
    function _setBaseURI(string memory baseURI_) internal virtual {
        _baseURI = baseURI_;
    }

    /**
     * @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()) {
            return true;
        }
        bytes memory returndata = to.functionCall(abi.encodeWithSelector(
                IERC721Receiver(to).onERC721Received.selector,
                _msgSender(),
                from,
                tokenId,
                _data
            ), "ERC721: transfer to non ERC721Receiver implementer");
        bytes4 retval = abi.decode(returndata, (bytes4));
        return (retval == _ERC721_RECEIVED);
    }

    /**
     * @dev Approve `to` to operate on `tokenId`
     *
     * Emits an {Approval} event.
     */
    function _approve(address to, uint256 tokenId) internal virtual {
        _tokenApprovals[tokenId] = to;
        emit Approval(ERC721.ownerOf(tokenId), to, tokenId); // internal owner
    }

    /**
     * @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 { }
}

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



pragma solidity >=0.6.0 <0.8.0;

/**
 * @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 () internal {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

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

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        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 {
        emit OwnershipTransferred(_owner, address(0));
        _owner = 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");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}
pragma solidity >=0.6.0 <0.8.0;

contract ChunkyBunnies is ERC721, Ownable {
    using SafeMath for uint256;

    uint256 private _price = 30000000000000000;

    bool private _paused = true;

    uint private _reserve = 100;

    uint private _presalemax = 1200;

    bool private _presale = false;

    mapping (address => uint) public presalebunnies;

    address _t1 = 0xE6306EB16d3F4ACbddfE68BcF3E473E085762716;
    address _t2 = 0x00Ec891371BBD69d4cc75F6a55DcD9792a6f0Be6;

    constructor(string memory _baseURI) ERC721('Chunky Bunnies', 'ChunkyBunnies') {
        setBaseURI(_baseURI);
    }

    //MINT x amount of bunnies
    function mint(uint256 _num) public payable {
        uint supply = totalSupply();
        require(!_paused, "Minting is currently paused!");
        require(_num < 21, "You can only mint 20 Bunnies with each transaction!");
        require(supply + _num < 6000-_reserve, "Supply exceeded!");
        require(msg.value >= _price * _num, "ETH sent not correct!");
        for(uint i = 0; i < _num; i++) {
            _safeMint(msg.sender, supply+i);
        }
    }
    function premint(uint256 _num) public payable {
        uint supply = totalSupply();
        require(_presale, "Presale is not active!");
        require(_num <= _presalemax, "Supply exceeded!");
        require(supply + _num < 6000-_reserve, "Supply exceeded!");
        require(_num < 21, "You can only mint 20 Bunnies with each transaction!");
        require(presalebunnies[msg.sender]+_num < 31, "Exceeds the amount allowed for each wallet!");
        require(msg.value >= _price * _num, "ETH sent not correct!");
        for(uint i = 0; i < _num; i++) {
            _safeMint(msg.sender, supply+i);
        }
        presalebunnies[msg.sender]+=_num;
        _presalemax -=_num;
    }

    function setPresale(bool _value) public onlyOwner {
        _presale = _value;
    }

    //GIVEAWAY x tokens to specific address
    function giveAway(address _to, uint256 _num) external onlyOwner() {
        require(_num <= _reserve, "Reserve is empty!" );

        uint256 supply = totalSupply();
        for(uint256 i; i < _num; i++){
            _safeMint( _to, supply + i );
        }
        _reserve -= _num;
    }


    //CHANGE PAUSE STATE
    function pause(bool _value) public onlyOwner {
        _paused = _value;
    }

    //GET PRICE
    function getPrice() public view returns (uint256) {
        return _price;
    }

    //RETURN ALL TOKENS OF A SPECIFIC ADDRESS
    function walletOfOwner(address _owner)
    external
    view
    returns (uint256[] memory)
    {
        uint256 tokenCount = balanceOf(_owner);

        uint256[] memory tokensId = new uint256[](tokenCount);
        for (uint256 i = 0; i < tokenCount; i++) {
            tokensId[i] = tokenOfOwnerByIndex(_owner, i);
        }

        return tokensId;
    }

    //WITHDRAW CONTRACT BALANCE TO DEFINED ADDRESS
    function withdraw() public onlyOwner {
        uint256 balance = address(this).balance;
        payable(_t1).transfer(balance.mul(900).div(1000));
        payable(_t2).transfer(balance.mul(100).div(1000));
    }
    function setBaseURI(string memory baseURI) public onlyOwner {
        _setBaseURI(baseURI);
    }
}

{
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"string","name":"_baseURI","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"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":"baseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_num","type":"uint256"}],"name":"giveAway","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":[{"internalType":"uint256","name":"_num","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bool","name":"_value","type":"bool"}],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_num","type":"uint256"}],"name":"premint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"presalebunnies","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":"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":"bool","name":"_value","type":"bool"}],"name":"setPresale","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":[],"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":[{"internalType":"address","name":"_owner","type":"address"}],"name":"walletOfOwner","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023687474703a2f2f36362e32392e3134322e3137303a333030312f6d657461646174612f0000000000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : _baseURI (string): http://66.29.142.170:3001/metadata/

-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000020
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000023
Arg [2] : 687474703a2f2f36362e32392e3134322e3137303a333030312f6d6574616461
Arg [3] : 74612f0000000000000000000000000000000000000000000000000000000000