Contract

Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.2;

// ,--------.,------.,------.  ,------.,--.   ,--.
// '--.  .--'|  .---'|  .-.  \ |  .-.  \\  `.'  /
//    |  |   |  `--, |  |  \  :|  |  \  :'.    /
//    |  |   |  `---.|  '--'  /|  '--'  /  |  |
//    `--'   `------'`-------' `-------'   `--'
// ,-----. ,------.  ,---.  ,------.
// |  |) /_|  .---' /  O  \ |  .--. '
// |  .-.  \  `--, |  .-.  ||  '--'.'
// |  '--' /  `---.|  | |  ||  |\  \
// `------'`------'`--' `--'`--' '--'
//  ,---.   ,-----.   ,--. ,--.  ,---.  ,------.
// '   .-' '  .-.  '  |  | |  | /  O  \ |  .-.  \
// `.  `-. |  | |  |  |  | |  ||  .-.  ||  |  \  :
// .-'    |'  '-'  '-.'  '-'  '|  | |  ||  '--'  /
// `-----'  `-----'--' `-----' `--' `--'`-------'
//                      __
//                     [  |
//      .---.  __   _   | |.--.   .--.
//     / /'`\][  | | |  | '/'`\ \( (`\]
//     | \__.  | \_/ |, |  \__/ | `'.'.
//     '.___.' '.__.'_/[__;.__.' [\__) )

// ( ˘▽˘)っ♨ cooked by @nftchef

import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
import "@openzeppelin/contracts/security/Pausable.sol";
import "@openzeppelin/contracts/utils/Strings.sol";
import "@openzeppelin/contracts/token/ERC721/ERC721.sol";

import "./rewardToken.sol";

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";

// ERC20 $TOYS Token Interface
interface IRewardToken {
    function spend(address _from, uint256 _amount) external;

    function balanceOf(address _address) external returns (uint256);

    function getTotalClaimable(address _address) external;

    function updateReward(
        address _from,
        address _to,
        uint256 _qty
    ) external;
}

contract Offspring is ERC721, Ownable, Pausable, ReentrancyGuard {
    using Strings for uint256;
    using ECDSA for bytes32;

    uint256 public BREED_PRICE = 400 ether; // 400 $TOYS
    uint256 public NAMING_PRICE;

    string internal baseTokenURI;
    bool public NAMING_OPEN;
    address internal _SIGNER;

    IRewardToken public RewardToys;

    enum ROOMS {
        FIRE,
        WATER,
        EARTH,
        AIR
    }

    struct Room {
        uint256 startIndex;
        uint256 supply;
        uint256 count;
    }

    mapping(ROOMS => Room) public supply;

    address private _treasury = 0x8fBc1fB5fd267aFefF5cc4e69b3ca6D41567dc01;

    event BabyNamed(uint256 tokenId, string name, address parent);

    modifier hasSignature(bytes32 _hash, bytes memory _signature) {
        require(checkHash(_hash, _signature), "Invalid Signature");
        _;
    }

    constructor(IRewardToken _rewardTokenAddress)
        payable
        ERC721("Teddy Bear Squad Cubs", "TBSC")
        Pausable()
    {
        RewardToys = IRewardToken(_rewardTokenAddress);

        baseTokenURI = "https://teddybearsquad.io/babydata/";

        // Set the starting supply

        //                   start init.supply  mint counter
        //                       \     ┃       /
        //                        v    v     v
        supply[ROOMS.FIRE] = Room(0, 500, 0);
        supply[ROOMS.WATER] = Room(5000, 500, 0);
        supply[ROOMS.EARTH] = Room(10000, 500, 0);
        supply[ROOMS.AIR] = Room(15000, 500, 0);
    }

    /**
     * @notice Retrieve a rooms current state.
     * @param _room The Enum Index for a given room to return
     */
    function getRoom(ROOMS _room) public view returns (Room memory room) {
        return supply[_room];
    }

    /**
     * @notice Multiple mint wrapper for breed(). Breeding from the contract
     * is disabled.
     */
    function breedMultiple(
        ROOMS _room,
        uint256 _quantity,
        bytes32 _hash,
        bytes memory _signature
    ) public nonReentrant whenNotPaused hasSignature(_hash, _signature) {
        require(
            RewardToys.balanceOf(msg.sender) >= BREED_PRICE * _quantity,
            "Not Enough $TOYS"
        );
        require(
            supply[_room].count + _quantity <= supply[_room].supply,
            "Quantity exeeds available supply"
        );
        for (uint256 i = 0; i < _quantity; i++) {
            uint256 tokenID = supply[_room].startIndex +
                supply[_room].count +
                i;

            _safeMint(msg.sender, tokenID, "");
        }
        supply[_room].count += _quantity;
        RewardToys.spend(msg.sender, BREED_PRICE * _quantity);
    }

    /**
     * @notice breeding (minting) from the contract is disabled.
     */
    function breed(
        ROOMS _room,
        bytes32 _hash,
        bytes memory _signature
    ) public nonReentrant whenNotPaused hasSignature(_hash, _signature) {
        require(
            supply[_room].count < supply[_room].supply,
            "No Tokens available in room"
        );
        // Will revert if msg.sender balance is below burn amount, totalPrice
        RewardToys.spend(msg.sender, BREED_PRICE);

        uint256 tokenID = supply[_room].startIndex + supply[_room].count;

        supply[_room].count++;
        _safeMint(msg.sender, tokenID, "");
    }

    /**
     * @notice name a given baby. Naming from the contract is disabled
     * @param _tokenId the Baby to name
     * @param _name a String name to name the baby. Name limtations are controlled via the dapp.
     * @param _hash valid hash
     * @param _signature valid signature
     */
    function nameBaby(
        uint256 _tokenId,
        string memory _name,
        bytes32 _hash,
        bytes memory _signature
    ) external hasSignature(_hash, _signature) {
        require(NAMING_OPEN, "Naming  is Closed");
        require(
            ownerOf(_tokenId) == msg.sender,
            "Only the baby's parent can name the baby"
        );
        // Will revert if msg.sender balance is below burn amount, totalPrice
        RewardToys.spend(msg.sender, NAMING_PRICE);
        emit BabyNamed(_tokenId, _name, msg.sender);
    }

    function tokenURI(uint256 tokenId)
        public
        view
        override
        returns (string memory)
    {
        require(_exists(tokenId), '"ERC721Metadata: tokenId does not exist"');

        return string(abi.encodePacked(baseTokenURI, tokenId.toString()));
    }

    function senderMessageHash() internal view returns (bytes32) {
        bytes32 message = keccak256(
            abi.encodePacked(
                "\x19Ethereum Signed Message:\n32",
                keccak256(abi.encodePacked(address(this), msg.sender))
            )
        );
        return message;
    }

    function checkHash(bytes32 _hash, bytes memory _signature)
        internal
        view
        returns (bool)
    {
        bytes32 senderHash = senderMessageHash();
        if (senderHash != _hash) {
            return false;
        }
        return _hash.recover(_signature) == _SIGNER;
    }

    // ｡☆✼★━━━━━━━━ ( ˘▽˘)っ♨  only owner ━━━━━━━━━━━━━★✼☆｡

    function setSigner(address _address) external onlyOwner {
        _SIGNER = _address;
    }

    function setRewardTokenAddress(address _rAddress) external onlyOwner {
        RewardToys = IRewardToken(_rAddress);
    }

    function setPaused(bool _state) external onlyOwner {
        _state ? _pause() : _unpause();
    }

    function setBaseURI(string memory _URI) external onlyOwner {
        baseTokenURI = _URI;
    }

    /**
     * @dev Tokens have a hard coded maximum tokenID range. Given that a new supply
     * number is <= the allocated range, the owner may increase the suppply for a
     * given ROOM
     * @param _room the ROOMS enum index to update
     * @param _supply the new supply to set
     */
    function updateRoomSupply(ROOMS _room, uint256 _supply) external onlyOwner {
        require(_supply > supply[_room].supply, "Supply can not decraese");
        // Calculate the poossible max
        uint256 ceiling;
        // 3 is the last room.
        if (uint256(_room) == 3) {
            ceiling = 20000;
        } else {
            ceiling = supply[ROOMS(uint256(_room) + 1)].startIndex;
        }
        require(
            supply[_room].startIndex + _supply <= ceiling,
            "Above token ceiling"
        );
        supply[_room].supply = _supply;
    }

    /**
     * @notice Change the $TOYS price per/mint (breeding).
     */
    function updatePrice(uint256 _price) external onlyOwner {
        BREED_PRICE = _price;
    }

    function setNamingState(bool _state) external onlyOwner {
        NAMING_OPEN = _state;
    }

    function setNamingPrice(uint256 _price) external onlyOwner {
        NAMING_PRICE = _price;
    }

    /// Nobody should be sending any ether to this contract, but just in case..
    function withdraw() external onlyOwner {
        (bool success, ) = _treasury.call{value: address(this).balance}("");
        require(success, "Failed to send to vault.");
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.2;

// ,--------.,------.,------.  ,------.,--.   ,--.
// '--.  .--'|  .---'|  .-.  \ |  .-.  \\  `.'  /
//    |  |   |  `--, |  |  \  :|  |  \  :'.    /
//    |  |   |  `---.|  '--'  /|  '--'  /  |  |
//    `--'   `------'`-------' `-------'   `--'
// ,-----.  ,------.  ,---.  ,------.
// |  |) /_ |  .---' /  O  \ |  .--. '
// |  .-.  \|  `--, |  .-.  ||  '--'.'
// |  '--' /|  `---.|  | |  ||  |\  \
// `------' `------'`--' `--'`--' '--'
//  ,---.   ,-----.   ,--. ,--.  ,---.  ,------.
// '   .-' '  .-.  '  |  | |  | /  O  \ |  .-.  \
// `.  `-. |  | |  |  |  | |  ||  .-.  ||  |  \  :
// .-'    |'  '-'  '-.'  '-'  '|  | |  ||  '--'  /
// `-----'  `-----'--' `-----' `--' `--'`-------'
//

//    _ _______ ______     _______
//   | |__   __/ __ \ \   / / ____|
//  / __) | | | |  | \ \_/ / (___
//  \__ \ | | | |  | |\   / \___ \
//  (   / | | | |__| | | |  ____) |
//   |_|  |_|  \____/  |_| |_____/

// @nftchef

import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Burnable.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Pausable.sol";

interface iCoreContract {
    function balanceOf(address owner) external view returns (uint256);
}

contract RewardToken is ERC20, ERC20Pausable, ERC20Burnable, Ownable {
    // @dev: deployed erc721 contract of NFT's earning rewards
    iCoreContract public CoreToken;
    uint256 public constant REWARD_RATE = 10 ether;

    // 10 year supply
    uint256 private immutable _cap = 365336530 ether;

    mapping(address => uint256) public rewards;
    mapping(address => uint256) public lastClaimed;
    mapping(address => uint256) public balances;

    mapping(address => bool) public accessAddresses;

    event RewardClaimed(address indexed user, uint256 reward);

    constructor(address _coreContractAddress)
        ERC20("Teddy Bear Squad Toys", "TOYS")
    {
        /// @dev: Initialize the erc721 contract
        CoreToken = iCoreContract(_coreContractAddress);
    }

    // Only callable by the erc721 contract on mint/transferFrom/safeTransferFrom.
    // Updates reward amount and last claimed timestamp
    function updateReward(
        address from,
        address to,
        uint256 qty
    ) external {
        require(msg.sender == address(CoreToken));
        if (from != address(0)) {
            rewards[from] += getPendingReward(from);
            lastClaimed[from] = block.timestamp;
            balances[from] -= qty;
        }
        if (to != address(0)) {
            balances[to] += qty;
            rewards[to] += getPendingReward(to);
            lastClaimed[to] = block.timestamp;
        }
    }

    function claimReward() external whenNotPaused {
        uint256 claimable = rewards[msg.sender] + getPendingReward(msg.sender);
        require(
            ERC20.totalSupply() + claimable <= cap(),
            "ERC20Capped: cap exceeded"
        );
        _mint(msg.sender, claimable);

        emit RewardClaimed(msg.sender, claimable);

        /// @dev: reset the state of a users claimed state and last claimed
        rewards[msg.sender] = 0;
        lastClaimed[msg.sender] = block.timestamp;
    }

    function getTotalClaimable(address user) external view returns (uint256) {
        return rewards[user] + getPendingReward(user);
    }

    function blocktime() public returns (uint256) {
        return block.timestamp;
    }

    function getPendingReward(address _user) internal view returns (uint256) {
        return
            (balances[_user] *
                REWARD_RATE *
                (block.timestamp -
                    (
                        lastClaimed[_user] > 0
                            ? lastClaimed[_user]
                            : block.timestamp
                    ))) / 1 days;
    }

    // @dev: Allow the main contract to burn tokens when 'spending'
    function spend(address user, uint256 amount) external {
        require(
            accessAddresses[msg.sender] || msg.sender == address(CoreToken),
            "Address does not have permission to burn"
        );
        _burn(user, amount);
    }

    /**
     * @dev Required override
     */

    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal override(ERC20, ERC20Pausable) whenNotPaused {
        super._beforeTokenTransfer(from, to, amount);
    }

    /**
     * @dev Returns the cap on the token's total supply.
     */
    function cap() public view virtual returns (uint256) {
        return _cap;
    }

    // ｡☆✼★━━━━━━━━ ( ˘▽˘)っ♨  only owner ━━━━━━━━━━━━━★✼☆｡

    function setAccessAddresses(address _address, bool _access)
        external
        onlyOwner
    {
        accessAddresses[_address] = _access;
    }

    function setCoreAddress(address _address) external onlyOwner {
        CoreToken = iCoreContract(_address);
    }

    function togglePaused() external onlyOwner {
        paused() ? _unpause() : _pause();
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

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

pragma solidity ^0.8.0;

import "./IERC165.sol";

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

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

pragma solidity ^0.8.0;

import "../Strings.sol";

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

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

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

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

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

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

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

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

        return (signer, RecoverError.NoError);
    }

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

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

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

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

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

pragma solidity ^0.8.0;

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

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

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC721.sol";

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.0;

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.0;

import "./IERC721.sol";
import "./IERC721Receiver.sol";
import "./extensions/IERC721Metadata.sol";
import "../../utils/Address.sol";
import "../../utils/Context.sol";
import "../../utils/Strings.sol";
import "../../utils/introspection/ERC165.sol";

/**
 * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
 * the Metadata extension, but not including the Enumerable extension, which is available separately as
 * {ERC721Enumerable}.
 */
contract ERC721 is Context, ERC165, IERC721, IERC721Metadata {
    using Address for address;
    using Strings for uint256;

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

    // Mapping from token ID to owner address
    mapping(uint256 => address) private _owners;

    // Mapping owner address to token count
    mapping(address => uint256) private _balances;

    // Mapping from token ID to approved address
    mapping(uint256 => address) private _tokenApprovals;

    // Mapping from owner to operator approvals
    mapping(address => mapping(address => bool)) private _operatorApprovals;

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

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

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

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

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

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

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

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

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

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

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

        _approve(to, tokenId);
    }

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

        return _tokenApprovals[tokenId];
    }

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

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

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

        _transfer(from, to, tokenId);
    }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *  As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     *
     * Emits a {Transfer} event.
     */
    function _transfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual {
        require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own");
        require(to != address(0), "ERC721: transfer to the zero address");

        _beforeTokenTransfer(from, to, tokenId);

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

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

        emit Transfer(from, to, tokenId);
    }

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

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

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/ERC20Pausable.sol)

pragma solidity ^0.8.0;

import "../ERC20.sol";
import "../../../security/Pausable.sol";

/**
 * @dev ERC20 token with pausable token transfers, minting and burning.
 *
 * Useful for scenarios such as preventing trades until the end of an evaluation
 * period, or having an emergency switch for freezing all token transfers in the
 * event of a large bug.
 */
abstract contract ERC20Pausable is ERC20, Pausable {
    /**
     * @dev See {ERC20-_beforeTokenTransfer}.
     *
     * Requirements:
     *
     * - the contract must not be paused.
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual override {
        super._beforeTokenTransfer(from, to, amount);

        require(!paused(), "ERC20Pausable: token transfer while paused");
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/ERC20Burnable.sol)

pragma solidity ^0.8.0;

import "../ERC20.sol";
import "../../../utils/Context.sol";

/**
 * @dev Extension of {ERC20} that allows token holders to destroy both their own
 * tokens and those that they have an allowance for, in a way that can be
 * recognized off-chain (via event analysis).
 */
abstract contract ERC20Burnable is Context, ERC20 {
    /**
     * @dev Destroys `amount` tokens from the caller.
     *
     * See {ERC20-_burn}.
     */
    function burn(uint256 amount) public virtual {
        _burn(_msgSender(), amount);
    }

    /**
     * @dev Destroys `amount` tokens from `account`, deducting from the caller's
     * allowance.
     *
     * See {ERC20-_burn} and {ERC20-allowance}.
     *
     * Requirements:
     *
     * - the caller must have allowance for ``accounts``'s tokens of at least
     * `amount`.
     */
    function burnFrom(address account, uint256 amount) public virtual {
        uint256 currentAllowance = allowance(account, _msgSender());
        require(currentAllowance >= amount, "ERC20: burn amount exceeds allowance");
        unchecked {
            _approve(account, _msgSender(), currentAllowance - amount);
        }
        _burn(account, amount);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/ERC20.sol)

pragma solidity ^0.8.0;

import "./IERC20.sol";
import "./extensions/IERC20Metadata.sol";
import "../../utils/Context.sol";

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 * For a generic mechanism see {ERC20PresetMinterPauser}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * We have followed general OpenZeppelin Contracts guidelines: functions revert
 * instead returning `false` on failure. This behavior is nonetheless
 * conventional and does not conflict with the expectations of ERC20
 * applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 *
 * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
 * functions have been added to mitigate the well-known issues around setting
 * allowances. See {IERC20-approve}.
 */
contract ERC20 is Context, IERC20, IERC20Metadata {
    mapping(address => uint256) private _balances;

    mapping(address => mapping(address => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * The default value of {decimals} is 18. To select a different value for
     * {decimals} you should overload it.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev Returns the name of the token.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5.05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the value {ERC20} uses, unless this function is
     * overridden;
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual override returns (uint8) {
        return 18;
    }

    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual override returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `recipient` cannot be the zero address.
     * - the caller must have a balance of at least `amount`.
     */
    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    /**
     * @dev See {IERC20-approve}.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * Requirements:
     *
     * - `sender` and `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     * - the caller must have allowance for ``sender``'s tokens of at least
     * `amount`.
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) public virtual override returns (bool) {
        _transfer(sender, recipient, amount);

        uint256 currentAllowance = _allowances[sender][_msgSender()];
        require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
        unchecked {
            _approve(sender, _msgSender(), currentAllowance - amount);
        }

        return true;
    }

    /**
     * @dev Atomically increases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
        return true;
    }

    /**
     * @dev Atomically decreases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `spender` must have allowance for the caller of at least
     * `subtractedValue`.
     */
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        uint256 currentAllowance = _allowances[_msgSender()][spender];
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(_msgSender(), spender, currentAllowance - subtractedValue);
        }

        return true;
    }

    /**
     * @dev Moves `amount` of tokens from `sender` to `recipient`.
     *
     * This internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * Requirements:
     *
     * - `sender` cannot be the zero address.
     * - `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     */
    function _transfer(
        address sender,
        address recipient,
        uint256 amount
    ) internal virtual {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(sender, recipient, amount);

        uint256 senderBalance = _balances[sender];
        require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
        unchecked {
            _balances[sender] = senderBalance - amount;
        }
        _balances[recipient] += amount;

        emit Transfer(sender, recipient, amount);

        _afterTokenTransfer(sender, recipient, amount);
    }

    /** @dev Creates `amount` tokens and assigns them to `account`, increasing
     * the total supply.
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _beforeTokenTransfer(address(0), account, amount);

        _totalSupply += amount;
        _balances[account] += amount;
        emit Transfer(address(0), account, amount);

        _afterTokenTransfer(address(0), account, amount);
    }

    /**
     * @dev Destroys `amount` tokens from `account`, reducing the
     * total supply.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     * - `account` must have at least `amount` tokens.
     */
    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        _beforeTokenTransfer(account, address(0), amount);

        uint256 accountBalance = _balances[account];
        require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
        unchecked {
            _balances[account] = accountBalance - amount;
        }
        _totalSupply -= amount;

        emit Transfer(account, address(0), amount);

        _afterTokenTransfer(account, address(0), amount);
    }

    /**
     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     */
    function _approve(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

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

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

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

pragma solidity ^0.8.0;

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

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

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

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

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

        _;

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

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

pragma solidity ^0.8.0;

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

/**
 * @dev Contract module which allows children to implement an emergency stop
 * mechanism that can be triggered by an authorized account.
 *
 * This module is used through inheritance. It will make available the
 * modifiers `whenNotPaused` and `whenPaused`, which can be applied to
 * the functions of your contract. Note that they will not be pausable by
 * simply including this module, only once the modifiers are put in place.
 */
abstract contract Pausable is Context {
    /**
     * @dev Emitted when the pause is triggered by `account`.
     */
    event Paused(address account);

    /**
     * @dev Emitted when the pause is lifted by `account`.
     */
    event Unpaused(address account);

    bool private _paused;

    /**
     * @dev Initializes the contract in unpaused state.
     */
    constructor() {
        _paused = false;
    }

    /**
     * @dev Returns true if the contract is paused, and false otherwise.
     */
    function paused() public view virtual returns (bool) {
        return _paused;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is not paused.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    modifier whenNotPaused() {
        require(!paused(), "Pausable: paused");
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is paused.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    modifier whenPaused() {
        require(paused(), "Pausable: not paused");
        _;
    }

    /**
     * @dev Triggers stopped state.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    function _pause() internal virtual whenNotPaused {
        _paused = true;
        emit Paused(_msgSender());
    }

    /**
     * @dev Returns to normal state.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    function _unpause() internal virtual whenPaused {
        _paused = false;
        emit Unpaused(_msgSender());
    }
}

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

pragma solidity ^0.8.0;

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

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

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

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

    /**
     * @dev 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 {
        _transferOwnership(address(0));
    }

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

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

{
  "remappings": [],
  "optimizer": {
    "enabled": true,
    "runs": 2200
  },
  "evmVersion": "london",
  "libraries": {},
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"contract IRewardToken","name":"_rewardTokenAddress","type":"address"}],"stateMutability":"payable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"string","name":"name","type":"string"},{"indexed":false,"internalType":"address","name":"parent","type":"address"}],"name":"BabyNamed","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":false,"internalType":"address","name":"account","type":"address"}],"name":"Paused","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"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"inputs":[],"name":"BREED_PRICE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"NAMING_OPEN","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"NAMING_PRICE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"RewardToys","outputs":[{"internalType":"contract IRewardToken","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"enum Offspring.ROOMS","name":"_room","type":"uint8"},{"internalType":"bytes32","name":"_hash","type":"bytes32"},{"internalType":"bytes","name":"_signature","type":"bytes"}],"name":"breed","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"enum Offspring.ROOMS","name":"_room","type":"uint8"},{"internalType":"uint256","name":"_quantity","type":"uint256"},{"internalType":"bytes32","name":"_hash","type":"bytes32"},{"internalType":"bytes","name":"_signature","type":"bytes"}],"name":"breedMultiple","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"enum Offspring.ROOMS","name":"_room","type":"uint8"}],"name":"getRoom","outputs":[{"components":[{"internalType":"uint256","name":"startIndex","type":"uint256"},{"internalType":"uint256","name":"supply","type":"uint256"},{"internalType":"uint256","name":"count","type":"uint256"}],"internalType":"struct Offspring.Room","name":"room","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"},{"internalType":"string","name":"_name","type":"string"},{"internalType":"bytes32","name":"_hash","type":"bytes32"},{"internalType":"bytes","name":"_signature","type":"bytes"}],"name":"nameBaby","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"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":"_URI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_price","type":"uint256"}],"name":"setNamingPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_state","type":"bool"}],"name":"setNamingState","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_state","type":"bool"}],"name":"setPaused","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_rAddress","type":"address"}],"name":"setRewardTokenAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_address","type":"address"}],"name":"setSigner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"enum Offspring.ROOMS","name":"","type":"uint8"}],"name":"supply","outputs":[{"internalType":"uint256","name":"startIndex","type":"uint256"},{"internalType":"uint256","name":"supply","type":"uint256"},{"internalType":"uint256","name":"count","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"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":"uint256","name":"_price","type":"uint256"}],"name":"updatePrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"enum Offspring.ROOMS","name":"_room","type":"uint8"},{"internalType":"uint256","name":"_supply","type":"uint256"}],"name":"updateRoomSupply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

0000000000000000000000008447783298ac335afedcfe67978dc9e6689b28b3

-----Decoded View---------------
Arg [0] : _rewardTokenAddress (address): 0x8447783298Ac335AfEDCfe67978Dc9E6689b28b3

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000008447783298ac335afedcfe67978dc9e6689b28b3