Token

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 ^0.8.0;

import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@openzeppelin/contracts/utils/Counters.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";

contract PharmaBroDAO is ERC721Enumerable, ReentrancyGuard, Ownable {
    using Counters for Counters.Counter;
    Counters.Counter private supply;
    uint256 public constant maxTokens = 1717;

    constructor() ERC721("PharmaBroDAO", "PHARMABRO") Ownable() {}

    function random(string memory input) internal pure returns (uint256) {
        return uint256(keccak256(abi.encodePacked(input)));
    }

    function mint() public nonReentrant {
        require(
            supply.current() + 1 <= maxTokens,
            "Minting this many exceeds max supply of 7777"
        );

        supply.increment();
        _safeMint(msg.sender, supply.current());
    }

    function tokenURI(uint256 tokenId)
        public
        pure
        override
        returns (string memory)
    {
        return string(
          abi.encodePacked(
            'https://gateway.pinata.cloud/ipfs/QmdBEa7KEAijZrqBuh7UnPt3QzVTSrEvzZLn1NosmoQ2zR/',
            Utils.toString((tokenId))
          )
        );
    }
}

library Utils {
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT license
        // 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);
    }
}

/// [MIT License]
/// @title Base64
/// @notice Provides a function for encoding some bytes in base64
/// @author Brecht Devos <[email protected]>
library Base64 {
    bytes internal constant TABLE =
        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";

    /// @notice Encodes some bytes to the base64 representation
    function encode(bytes memory data) internal pure returns (string memory) {
        uint256 len = data.length;
        if (len == 0) return "";
        // multiply by 4/3 rounded up
        uint256 encodedLen = 4 * ((len + 2) / 3);
        // Add some extra buffer at the end
        bytes memory result = new bytes(encodedLen + 32);
        bytes memory table = TABLE;
        assembly {
            let tablePtr := add(table, 1)
            let resultPtr := add(result, 32)
            for {
                let i := 0
            } lt(i, len) {
            } {
                i := add(i, 3)
                let input := and(mload(add(data, i)), 0xffffff)
                let out := mload(add(tablePtr, and(shr(18, input), 0x3F)))
                out := shl(8, out)
                out := add(
                    out,
                    and(mload(add(tablePtr, and(shr(12, input), 0x3F))), 0xFF)
                )
                out := shl(8, out)
                out := add(
                    out,
                    and(mload(add(tablePtr, and(shr(6, input), 0x3F))), 0xFF)
                )
                out := shl(8, out)
                out := add(
                    out,
                    and(mload(add(tablePtr, and(input, 0x3F))), 0xFF)
                )
                out := shl(224, out)
                mstore(resultPtr, out)
                resultPtr := add(resultPtr, 4)
            }
            switch mod(len, 3)
            case 1 {
                mstore(sub(resultPtr, 2), shl(240, 0x3d3d))
            }
            case 2 {
                mstore(sub(resultPtr, 1), shl(248, 0x3d))
            }
            mstore(result, encodedLen)
        }
        return string(result);
    }
}

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

pragma solidity ^0.8.0;

import "../ERC721.sol";
import "./IERC721Enumerable.sol";

/**
 * @dev This implements an optional extension of {ERC721} defined in the EIP that adds
 * enumerability of all the token ids in the contract as well as all token ids owned by each
 * account.
 */
abstract contract ERC721Enumerable is ERC721, IERC721Enumerable {
    // Mapping from owner to list of owned token IDs
    mapping(address => mapping(uint256 => uint256)) private _ownedTokens;

    // Mapping from token ID to index of the owner tokens list
    mapping(uint256 => uint256) private _ownedTokensIndex;

    // Array with all token ids, used for enumeration
    uint256[] private _allTokens;

    // Mapping from token id to position in the allTokens array
    mapping(uint256 => uint256) private _allTokensIndex;

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721) returns (bool) {
        return interfaceId == type(IERC721Enumerable).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) {
        require(index < ERC721.balanceOf(owner), "ERC721Enumerable: owner index out of bounds");
        return _ownedTokens[owner][index];
    }

    /**
     * @dev See {IERC721Enumerable-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        return _allTokens.length;
    }

    /**
     * @dev See {IERC721Enumerable-tokenByIndex}.
     */
    function tokenByIndex(uint256 index) public view virtual override returns (uint256) {
        require(index < ERC721Enumerable.totalSupply(), "ERC721Enumerable: global index out of bounds");
        return _allTokens[index];
    }

    /**
     * @dev Hook that is called before any token transfer. This includes minting
     * and burning.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, ``from``'s `tokenId` will be burned.
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual override {
        super._beforeTokenTransfer(from, to, tokenId);

        if (from == address(0)) {
            _addTokenToAllTokensEnumeration(tokenId);
        } else if (from != to) {
            _removeTokenFromOwnerEnumeration(from, tokenId);
        }
        if (to == address(0)) {
            _removeTokenFromAllTokensEnumeration(tokenId);
        } else if (to != from) {
            _addTokenToOwnerEnumeration(to, tokenId);
        }
    }

    /**
     * @dev Private function to add a token to this extension's ownership-tracking data structures.
     * @param to address representing the new owner of the given token ID
     * @param tokenId uint256 ID of the token to be added to the tokens list of the given address
     */
    function _addTokenToOwnerEnumeration(address to, uint256 tokenId) private {
        uint256 length = ERC721.balanceOf(to);
        _ownedTokens[to][length] = tokenId;
        _ownedTokensIndex[tokenId] = length;
    }

    /**
     * @dev Private function to add a token to this extension's token tracking data structures.
     * @param tokenId uint256 ID of the token to be added to the tokens list
     */
    function _addTokenToAllTokensEnumeration(uint256 tokenId) private {
        _allTokensIndex[tokenId] = _allTokens.length;
        _allTokens.push(tokenId);
    }

    /**
     * @dev Private function to remove a token from this extension's ownership-tracking data structures. Note that
     * while the token is not assigned a new owner, the `_ownedTokensIndex` mapping is _not_ updated: this allows for
     * gas optimizations e.g. when performing a transfer operation (avoiding double writes).
     * This has O(1) time complexity, but alters the order of the _ownedTokens array.
     * @param from address representing the previous owner of the given token ID
     * @param tokenId uint256 ID of the token to be removed from the tokens list of the given address
     */
    function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId) private {
        // To prevent a gap in from's tokens array, we store the last token in the index of the token to delete, and
        // then delete the last slot (swap and pop).

        uint256 lastTokenIndex = ERC721.balanceOf(from) - 1;
        uint256 tokenIndex = _ownedTokensIndex[tokenId];

        // When the token to delete is the last token, the swap operation is unnecessary
        if (tokenIndex != lastTokenIndex) {
            uint256 lastTokenId = _ownedTokens[from][lastTokenIndex];

            _ownedTokens[from][tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
            _ownedTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index
        }

        // This also deletes the contents at the last position of the array
        delete _ownedTokensIndex[tokenId];
        delete _ownedTokens[from][lastTokenIndex];
    }

    /**
     * @dev Private function to remove a token from this extension's token tracking data structures.
     * This has O(1) time complexity, but alters the order of the _allTokens array.
     * @param tokenId uint256 ID of the token to be removed from the tokens list
     */
    function _removeTokenFromAllTokensEnumeration(uint256 tokenId) private {
        // To prevent a gap in the tokens array, we store the last token in the index of the token to delete, and
        // then delete the last slot (swap and pop).

        uint256 lastTokenIndex = _allTokens.length - 1;
        uint256 tokenIndex = _allTokensIndex[tokenId];

        // When the token to delete is the last token, the swap operation is unnecessary. However, since this occurs so
        // rarely (when the last minted token is burnt) that we still do the swap here to avoid the gas cost of adding
        // an 'if' statement (like in _removeTokenFromOwnerEnumeration)
        uint256 lastTokenId = _allTokens[lastTokenIndex];

        _allTokens[tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
        _allTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index

        // This also deletes the contents at the last position of the array
        delete _allTokensIndex[tokenId];
        _allTokens.pop();
    }
}

// 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 (utils/Counters.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../../../utils/Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;

    function safeTransfer(
        IERC20 token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(
        IERC20 token,
        address from,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        uint256 newAllowance = token.allowance(address(this), spender) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (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 overridden in child contracts.
     */
    function _baseURI() internal view virtual returns (string memory) {
        return "";
    }

    /**
     * @dev See {IERC721-approve}.
     */
    function approve(address to, uint256 tokenId) public virtual override {
        address owner = 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 || isApprovedForAll(owner, spender) || getApproved(tokenId) == spender);
    }

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

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

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

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

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

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

        _afterTokenTransfer(address(0), to, tokenId);
    }

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

        _afterTokenTransfer(owner, address(0), tokenId);
    }

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

        _beforeTokenTransfer(from, to, tokenId);

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

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

        emit Transfer(from, to, tokenId);

        _afterTokenTransfer(from, to, tokenId);
    }

    /**
     * @dev Approve `to` to operate on `tokenId`
     *
     * Emits 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 {}

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

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

pragma solidity ^0.8.0;

import "../IERC721.sol";

/**
 * @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);

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must 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 Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool _approved) external;

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

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

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

pragma solidity ^0.8.0;

/**
 * @title ERC721 token receiver interface
 * @dev Interface for any contract that wants to support safeTransfers
 * from ERC721 asset contracts.
 */
interface 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 `IERC721Receiver.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/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 (last updated v4.5.0) (utils/Address.sol)

pragma solidity ^0.8.1;

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

        return account.code.length > 0;
    }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.0;

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/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/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/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 (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @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);

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

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"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":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"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":"maxTokens","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","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":"pure","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"}]

60806040523480156200001157600080fd5b506040518060400160405280600c81526020017f506861726d6142726f44414f00000000000000000000000000000000000000008152506040518060400160405280600981526020017f504841524d4142524f0000000000000000000000000000000000000000000000815250816000908051906020019062000096929190620001ae565b508060019080519060200190620000af929190620001ae565b5050506001600a81905550620000da620000ce620000e060201b60201c565b620000e860201b60201c565b620002c3565b600033905090565b6000600b60009054906101000a900473ffffffffffffffffffffffffffffffffffffffff16905081600b60006101000a81548173ffffffffffffffffffffffffffffffffffffffff021916908373ffffffffffffffffffffffffffffffffffffffff1602179055508173ffffffffffffffffffffffffffffffffffffffff168173ffffffffffffffffffffffffffffffffffffffff167f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e060405160405180910390a35050565b828054620001bc906200025e565b90600052602060002090601f016020900481019282620001e057600085556200022c565b82601f10620001fb57805160ff19168380011785556200022c565b828001600101855582156200022c579182015b828111156200022b5782518255916020019190600101906200020e565b5b5090506200023b91906200023f565b5090565b5b808211156200025a57600081600090555060010162000240565b5090565b600060028204905060018216806200027757607f821691505b602082108114156200028e576200028d62000294565b5b50919050565b7f4e487b7100000000000000000000000000000000000000000000000000000000600052602260045260246000fd5b61349380620002d36000396000f3fe608060405234801561001057600080fd5b50600436106101375760003560e01c80636352211e116100b8578063a22cb4651161007c578063a22cb4651461033c578063b88d4fde14610358578063c87b56dd14610374578063e8315742146103a4578063e985e9c5146103c2578063f2fde38b146103f257610137565b80636352211e1461029657806370a08231146102c6578063715018a6146102f65780638da5cb5b1461030057806395d89b411461031e57610137565b806318160ddd116100ff57806318160ddd146101e057806323b872dd146101fe5780632f745c591461021a57806342842e0e1461024a5780634f6ccce71461026657610137565b806301ffc9a71461013c57806306fdde031461016c578063081812fc1461018a578063095ea7b3146101ba5780631249c58b146101d6575b600080fd5b61015660048036038101906101519190612371565b61040e565b6040516101639190612801565b60405180910390f35b610174610488565b604051610181919061281c565b60405180910390f35b6101a4600480360381019061019f91906123c3565b61051a565b6040516101b1919061279a565b60405180910390f35b6101d460048036038101906101cf9190612335565b61059f565b005b6101de6106b7565b005b6101e8610786565b6040516101f59190612a9e565b60405180910390f35b6102186004803603810190610213919061222f565b610793565b005b610234600480360381019061022f9190612335565b6107f3565b6040516102419190612a9e565b60405180910390f35b610264600480360381019061025f919061222f565b610898565b005b610280600480360381019061027b91906123c3565b6108b8565b60405161028d9190612a9e565b60405180910390f35b6102b060048036038101906102ab91906123c3565b61094f565b6040516102bd919061279a565b60405180910390f35b6102e060048036038101906102db91906121ca565b610a01565b6040516102ed9190612a9e565b60405180910390f35b6102fe610ab9565b005b610308610b41565b604051610315919061279a565b60405180910390f35b610326610b6b565b604051610333919061281c565b60405180910390f35b610356600480360381019061035191906122f9565b610bfd565b005b610372600480360381019061036d919061227e565b610c13565b005b61038e600480360381019061038991906123c3565b610c75565b60405161039b919061281c565b60405180910390f35b6103ac610ca6565b6040516103b99190612a9e565b60405180910390f35b6103dc60048036038101906103d791906121f3565b610cac565b6040516103e99190612801565b60405180910390f35b61040c600480360381019061040791906121ca565b610d40565b005b60007f780e9d63000000000000000000000000000000000000000000000000000000007bffffffffffffffffffffffffffffffffffffffffffffffffffffffff1916827bffffffffffffffffffffffffffffffffffffffffffffffffffffffff19161480610481575061048082610e38565b5b9050919050565b60606000805461049790612cc3565b80601f01602080910402602001604051908101604052809291908181526020018280546104c390612cc3565b80156105105780601f106104e557610100808354040283529160200191610510565b820191906000526020600020905b8154815290600101906020018083116104f357829003601f168201915b5050505050905090565b600061052582610f1a565b610564576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040161055b906129be565b60405180910390fd5b6004600083815260200190815260200160002060009054906101000a900473ffffffffffffffffffffffffffffffffffffffff169050919050565b60006105aa8261094f565b90508073ffffffffffffffffffffffffffffffffffffffff168373ffffffffffffffffffffffffffffffffffffffff16141561061b576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040161061290612a1e565b60405180910390fd5b8073ffffffffffffffffffffffffffffffffffffffff1661063a610f86565b73ffffffffffffffffffffffffffffffffffffffff161480610669575061066881610663610f86565b610cac565b5b6106a8576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040161069f9061293e565b60405180910390fd5b6106b28383610f8e565b505050565b6002600a5414156106fd576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004016106f490612a7e565b60405180910390fd5b6002600a819055506106b56001610714600c611047565b61071e9190612b52565b111561075f576040517f08c379a0000000000000000000000000000000000000000000000000000000008152600401610756906129fe565b60405180910390fd5b610769600c611055565b61077c33610777600c611047565b61106b565b6001600a81905550565b6000600880549050905090565b6107a461079e610f86565b82611089565b6107e3576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004016107da90612a3e565b60405180910390fd5b6107ee838383611167565b505050565b60006107fe83610a01565b821061083f576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004016108369061283e565b60405180910390fd5b600660008473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff168152602001908152602001600020600083815260200190815260200160002054905092915050565b6108b383838360405180602001604052806000815250610c13565b505050565b60006108c2610786565b8210610903576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004016108fa90612a5e565b60405180910390fd5b6008828154811061093d577f4e487b7100000000000000000000000000000000000000000000000000000000600052603260045260246000fd5b90600052602060002001549050919050565b6000806002600084815260200190815260200160002060009054906101000a900473ffffffffffffffffffffffffffffffffffffffff169050600073ffffffffffffffffffffffffffffffffffffffff168173ffffffffffffffffffffffffffffffffffffffff1614156109f8576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004016109ef9061297e565b60405180910390fd5b80915050919050565b60008073ffffffffffffffffffffffffffffffffffffffff168273ffffffffffffffffffffffffffffffffffffffff161415610a72576040517f08c379a0000000000000000000000000000000000000000000000000000000008152600401610a699061295e565b60405180910390fd5b600360008373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff168152602001908152602001600020549050919050565b610ac1610f86565b73ffffffffffffffffffffffffffffffffffffffff16610adf610b41565b73ffffffffffffffffffffffffffffffffffffffff1614610b35576040517f08c379a0000000000000000000000000000000000000000000000000000000008152600401610b2c906129de565b60405180910390fd5b610b3f60006113ce565b565b6000600b60009054906101000a900473ffffffffffffffffffffffffffffffffffffffff16905090565b606060018054610b7a90612cc3565b80601f0160208091040260200160405190810160405280929190818152602001828054610ba690612cc3565b8015610bf35780601f10610bc857610100808354040283529160200191610bf3565b820191906000526020600020905b815481529060010190602001808311610bd657829003601f168201915b5050505050905090565b610c0f610c08610f86565b8383611494565b5050565b610c24610c1e610f86565b83611089565b610c63576040517f08c379a0000000000000000000000000000000000000000000000000000000008152600401610c5a90612a3e565b60405180910390fd5b610c6f84848484611601565b50505050565b6060610c808261165d565b604051602001610c909190612778565b6040516020818303038152906040529050919050565b6106b581565b6000600560008473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002060008373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002060009054906101000a900460ff16905092915050565b610d48610f86565b73ffffffffffffffffffffffffffffffffffffffff16610d66610b41565b73ffffffffffffffffffffffffffffffffffffffff1614610dbc576040517f08c379a0000000000000000000000000000000000000000000000000000000008152600401610db3906129de565b60405180910390fd5b600073ffffffffffffffffffffffffffffffffffffffff168173ffffffffffffffffffffffffffffffffffffffff161415610e2c576040517f08c379a0000000000000000000000000000000000000000000000000000000008152600401610e239061287e565b60405180910390fd5b610e35816113ce565b50565b60007f80ac58cd000000000000000000000000000000000000000000000000000000007bffffffffffffffffffffffffffffffffffffffffffffffffffffffff1916827bffffffffffffffffffffffffffffffffffffffffffffffffffffffff19161480610f0357507f5b5e139f000000000000000000000000000000000000000000000000000000007bffffffffffffffffffffffffffffffffffffffffffffffffffffffff1916827bffffffffffffffffffffffffffffffffffffffffffffffffffffffff1916145b80610f135750610f128261180a565b5b9050919050565b60008073ffffffffffffffffffffffffffffffffffffffff166002600084815260200190815260200160002060009054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff1614159050919050565b600033905090565b816004600083815260200190815260200160002060006101000a81548173ffffffffffffffffffffffffffffffffffffffff021916908373ffffffffffffffffffffffffffffffffffffffff160217905550808273ffffffffffffffffffffffffffffffffffffffff166110018361094f565b73ffffffffffffffffffffffffffffffffffffffff167f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b92560405160405180910390a45050565b600081600001549050919050565b6001816000016000828254019250508190555050565b611085828260405180602001604052806000815250611874565b5050565b600061109482610f1a565b6110d3576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004016110ca9061291e565b60405180910390fd5b60006110de8361094f565b90508073ffffffffffffffffffffffffffffffffffffffff168473ffffffffffffffffffffffffffffffffffffffff161480611120575061111f8185610cac565b5b8061115e57508373ffffffffffffffffffffffffffffffffffffffff166111468461051a565b73ffffffffffffffffffffffffffffffffffffffff16145b91505092915050565b8273ffffffffffffffffffffffffffffffffffffffff166111878261094f565b73ffffffffffffffffffffffffffffffffffffffff16146111dd576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004016111d49061289e565b60405180910390fd5b600073ffffffffffffffffffffffffffffffffffffffff168273ffffffffffffffffffffffffffffffffffffffff16141561124d576040517f08c379a0000000000000000000000000000000000000000000000000000000008152600401611244906128de565b60405180910390fd5b6112588383836118cf565b611263600082610f8e565b6001600360008573ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002060008282546112b39190612bd9565b925050819055506001600360008473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff168152602001908152602001600020600082825461130a9190612b52565b92505081905550816002600083815260200190815260200160002060006101000a81548173ffffffffffffffffffffffffffffffffffffffff021916908373ffffffffffffffffffffffffffffffffffffffff160217905550808273ffffffffffffffffffffffffffffffffffffffff168473ffffffffffffffffffffffffffffffffffffffff167fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef60405160405180910390a46113c98383836119e3565b505050565b6000600b60009054906101000a900473ffffffffffffffffffffffffffffffffffffffff16905081600b60006101000a81548173ffffffffffffffffffffffffffffffffffffffff021916908373ffffffffffffffffffffffffffffffffffffffff1602179055508173ffffffffffffffffffffffffffffffffffffffff168173ffffffffffffffffffffffffffffffffffffffff167f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e060405160405180910390a35050565b8173ffffffffffffffffffffffffffffffffffffffff168373ffffffffffffffffffffffffffffffffffffffff161415611503576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004016114fa906128fe565b60405180910390fd5b80600560008573ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002060008473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002060006101000a81548160ff0219169083151502179055508173ffffffffffffffffffffffffffffffffffffffff168373ffffffffffffffffffffffffffffffffffffffff167f17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31836040516115f49190612801565b60405180910390a3505050565b61160c848484611167565b611618848484846119e8565b611657576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040161164e9061285e565b60405180910390fd5b50505050565b606060008214156116a5576040518060400160405280600181526020017f30000000000000000000000000000000000000000000000000000000000000008152509050611805565b600082905060005b600082146116d75780806116c090612d26565b915050600a826116d09190612ba8565b91506116ad565b60008167ffffffffffffffff811115611719577f4e487b7100000000000000000000000000000000000000000000000000000000600052604160045260246000fd5b6040519080825280601f01601f19166020018201604052801561174b5781602001600182028036833780820191505090505b5090505b600085146117fe576001826117649190612bd9565b9150600a856117739190612d6f565b603061177f9190612b52565b60f81b8183815181106117bb577f4e487b7100000000000000000000000000000000000000000000000000000000600052603260045260246000fd5b60200101907effffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff1916908160001a905350600a856117f79190612ba8565b945061174f565b8093505050505b919050565b60007f01ffc9a7000000000000000000000000000000000000000000000000000000007bffffffffffffffffffffffffffffffffffffffffffffffffffffffff1916827bffffffffffffffffffffffffffffffffffffffffffffffffffffffff1916149050919050565b61187e8383611b7f565b61188b60008484846119e8565b6118ca576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004016118c19061285e565b60405180910390fd5b505050565b6118da838383611d59565b600073ffffffffffffffffffffffffffffffffffffffff168373ffffffffffffffffffffffffffffffffffffffff16141561191d5761191881611d5e565b61195c565b8173ffffffffffffffffffffffffffffffffffffffff168373ffffffffffffffffffffffffffffffffffffffff161461195b5761195a8382611da7565b5b5b600073ffffffffffffffffffffffffffffffffffffffff168273ffffffffffffffffffffffffffffffffffffffff16141561199f5761199a81611f14565b6119de565b8273ffffffffffffffffffffffffffffffffffffffff168273ffffffffffffffffffffffffffffffffffffffff16146119dd576119dc8282612057565b5b5b505050565b505050565b6000611a098473ffffffffffffffffffffffffffffffffffffffff166120d6565b15611b72578373ffffffffffffffffffffffffffffffffffffffff1663150b7a02611a32610f86565b8786866040518563ffffffff1660e01b8152600401611a5494939291906127b5565b602060405180830381600087803b158015611a6e57600080fd5b505af1925050508015611a9f57506040513d601f19601f82011682018060405250810190611a9c919061239a565b60015b611b22573d8060008114611acf576040519150601f19603f3d011682016040523d82523d6000602084013e611ad4565b606091505b50600081511415611b1a576040517f08c379a0000000000000000000000000000000000000000000000000000000008152600401611b119061285e565b60405180910390fd5b805181602001fd5b63150b7a0260e01b7bffffffffffffffffffffffffffffffffffffffffffffffffffffffff1916817bffffffffffffffffffffffffffffffffffffffffffffffffffffffff191614915050611b77565b600190505b949350505050565b600073ffffffffffffffffffffffffffffffffffffffff168273ffffffffffffffffffffffffffffffffffffffff161415611bef576040517f08c379a0000000000000000000000000000000000000000000000000000000008152600401611be69061299e565b60405180910390fd5b611bf881610f1a565b15611c38576040517f08c379a0000000000000000000000000000000000000000000000000000000008152600401611c2f906128be565b60405180910390fd5b611c44600083836118cf565b6001600360008473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff1681526020019081526020016000206000828254611c949190612b52565b92505081905550816002600083815260200190815260200160002060006101000a81548173ffffffffffffffffffffffffffffffffffffffff021916908373ffffffffffffffffffffffffffffffffffffffff160217905550808273ffffffffffffffffffffffffffffffffffffffff16600073ffffffffffffffffffffffffffffffffffffffff167fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef60405160405180910390a4611d55600083836119e3565b5050565b505050565b6008805490506009600083815260200190815260200160002081905550600881908060018154018082558091505060019003906000526020600020016000909190919091505550565b60006001611db484610a01565b611dbe9190612bd9565b9050600060076000848152602001908152602001600020549050818114611ea3576000600660008673ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff168152602001908152602001600020600084815260200190815260200160002054905080600660008773ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff168152602001908152602001600020600084815260200190815260200160002081905550816007600083815260200190815260200160002081905550505b6007600084815260200190815260200160002060009055600660008573ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002060008381526020019081526020016000206000905550505050565b60006001600880549050611f289190612bd9565b9050600060096000848152602001908152602001600020549050600060088381548110611f7e577f4e487b7100000000000000000000000000000000000000000000000000000000600052603260045260246000fd5b906000526020600020015490508060088381548110611fc6577f4e487b7100000000000000000000000000000000000000000000000000000000600052603260045260246000fd5b90600052602060002001819055508160096000838152602001908152602001600020819055506009600085815260200190815260200160002060009055600880548061203b577f4e487b7100000000000000000000000000000000000000000000000000000000600052603160045260246000fd5b6001900381819060005260206000200160009055905550505050565b600061206283610a01565b905081600660008573ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff168152602001908152602001600020600083815260200190815260200160002081905550806007600084815260200190815260200160002081905550505050565b6000808273ffffffffffffffffffffffffffffffffffffffff163b119050919050565b600061210c61210784612ade565b612ab9565b90508281526020810184848401111561212457600080fd5b61212f848285612c81565b509392505050565b60008135905061214681613401565b92915050565b60008135905061215b81613418565b92915050565b6000813590506121708161342f565b92915050565b6000815190506121858161342f565b92915050565b600082601f83011261219c57600080fd5b81356121ac8482602086016120f9565b91505092915050565b6000813590506121c481613446565b92915050565b6000602082840312156121dc57600080fd5b60006121ea84828501612137565b91505092915050565b6000806040838503121561220657600080fd5b600061221485828601612137565b925050602061222585828601612137565b9150509250929050565b60008060006060848603121561224457600080fd5b600061225286828701612137565b935050602061226386828701612137565b9250506040612274868287016121b5565b9150509250925092565b6000806000806080858703121561229457600080fd5b60006122a287828801612137565b94505060206122b387828801612137565b93505060406122c4878288016121b5565b925050606085013567ffffffffffffffff8111156122e157600080fd5b6122ed8782880161218b565b91505092959194509250565b6000806040838503121561230c57600080fd5b600061231a85828601612137565b925050602061232b8582860161214c565b9150509250929050565b6000806040838503121561234857600080fd5b600061235685828601612137565b9250506020612367858286016121b5565b9150509250929050565b60006020828403121561238357600080fd5b600061239184828501612161565b91505092915050565b6000602082840312156123ac57600080fd5b60006123ba84828501612176565b91505092915050565b6000602082840312156123d557600080fd5b60006123e3848285016121b5565b91505092915050565b6123f581612c0d565b82525050565b61240481612c1f565b82525050565b600061241582612b0f565b61241f8185612b25565b935061242f818560208601612c90565b61243881612e5c565b840191505092915050565b600061244e82612b1a565b6124588185612b36565b9350612468818560208601612c90565b61247181612e5c565b840191505092915050565b600061248782612b1a565b6124918185612b47565b93506124a1818560208601612c90565b80840191505092915050565b60006124ba602b83612b36565b91506124c582612e6d565b604082019050919050565b60006124dd603283612b36565b91506124e882612ebc565b604082019050919050565b6000612500602683612b36565b915061250b82612f0b565b604082019050919050565b6000612523602583612b36565b915061252e82612f5a565b604082019050919050565b6000612546601c83612b36565b915061255182612fa9565b602082019050919050565b6000612569602483612b36565b915061257482612fd2565b604082019050919050565b600061258c601983612b36565b915061259782613021565b602082019050919050565b60006125af602c83612b36565b91506125ba8261304a565b604082019050919050565b60006125d2603883612b36565b91506125dd82613099565b604082019050919050565b60006125f5602a83612b36565b9150612600826130e8565b604082019050919050565b6000612618602983612b36565b915061262382613137565b604082019050919050565b600061263b605183612b47565b915061264682613186565b605182019050919050565b600061265e602083612b36565b9150612669826131fb565b602082019050919050565b6000612681602c83612b36565b915061268c82613224565b604082019050919050565b60006126a4602083612b36565b91506126af82613273565b602082019050919050565b60006126c7602c83612b36565b91506126d28261329c565b604082019050919050565b60006126ea602183612b36565b91506126f5826132eb565b604082019050919050565b600061270d603183612b36565b91506127188261333a565b604082019050919050565b6000612730602c83612b36565b915061273b82613389565b604082019050919050565b6000612753601f83612b36565b915061275e826133d8565b602082019050919050565b61277281612c77565b82525050565b60006127838261262e565b915061278f828461247c565b915081905092915050565b60006020820190506127af60008301846123ec565b92915050565b60006080820190506127ca60008301876123ec565b6127d760208301866123ec565b6127e46040830185612769565b81810360608301526127f6818461240a565b905095945050505050565b600060208201905061281660008301846123fb565b92915050565b600060208201905081810360008301526128368184612443565b905092915050565b60006020820190508181036000830152612857816124ad565b9050919050565b60006020820190508181036000830152612877816124d0565b9050919050565b60006020820190508181036000830152612897816124f3565b9050919050565b600060208201905081810360008301526128b781612516565b9050919050565b600060208201905081810360008301526128d781612539565b9050919050565b600060208201905081810360008301526128f78161255c565b9050919050565b600060208201905081810360008301526129178161257f565b9050919050565b60006020820190508181036000830152612937816125a2565b9050919050565b60006020820190508181036000830152612957816125c5565b9050919050565b60006020820190508181036000830152612977816125e8565b9050919050565b600060208201905081810360008301526129978161260b565b9050919050565b600060208201905081810360008301526129b781612651565b9050919050565b600060208201905081810360008301526129d781612674565b9050919050565b600060208201905081810360008301526129f781612697565b9050919050565b60006020820190508181036000830152612a17816126ba565b9050919050565b60006020820190508181036000830152612a37816126dd565b9050919050565b60006020820190508181036000830152612a5781612700565b9050919050565b60006020820190508181036000830152612a7781612723565b9050919050565b60006020820190508181036000830152612a9781612746565b9050919050565b6000602082019050612ab36000830184612769565b92915050565b6000612ac3612ad4565b9050612acf8282612cf5565b919050565b6000604051905090565b600067ffffffffffffffff821115612af957612af8612e2d565b5b612b0282612e5c565b9050602081019050919050565b600081519050919050565b600081519050919050565b600082825260208201905092915050565b600082825260208201905092915050565b600081905092915050565b6000612b5d82612c77565b9150612b6883612c77565b9250827fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff03821115612b9d57612b9c612da0565b5b828201905092915050565b6000612bb382612c77565b9150612bbe83612c77565b925082612bce57612bcd612dcf565b5b828204905092915050565b6000612be482612c77565b9150612bef83612c77565b925082821015612c0257612c01612da0565b5b828203905092915050565b6000612c1882612c57565b9050919050565b60008115159050919050565b60007fffffffff0000000000000000000000000000000000000000000000000000000082169050919050565b600073ffffffffffffffffffffffffffffffffffffffff82169050919050565b6000819050919050565b82818337600083830152505050565b60005b83811015612cae578082015181840152602081019050612c93565b83811115612cbd576000848401525b50505050565b60006002820490506001821680612cdb57607f821691505b60208210811415612cef57612cee612dfe565b5b50919050565b612cfe82612e5c565b810181811067ffffffffffffffff82111715612d1d57612d1c612e2d565b5b80604052505050565b6000612d3182612c77565b91507fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff821415612d6457612d63612da0565b5b600182019050919050565b6000612d7a82612c77565b9150612d8583612c77565b925082612d9557612d94612dcf565b5b828206905092915050565b7f4e487b7100000000000000000000000000000000000000000000000000000000600052601160045260246000fd5b7f4e487b7100000000000000000000000000000000000000000000000000000000600052601260045260246000fd5b7f4e487b7100000000000000000000000000000000000000000000000000000000600052602260045260246000fd5b7f4e487b7100000000000000000000000000000000000000000000000000000000600052604160045260246000fd5b6000601f19601f8301169050919050565b7f455243373231456e756d657261626c653a206f776e657220696e646578206f7560008201527f74206f6620626f756e6473000000000000000000000000000000000000000000602082015250565b7f4552433732313a207472616e7366657220746f206e6f6e20455243373231526560008201527f63656976657220696d706c656d656e7465720000000000000000000000000000602082015250565b7f4f776e61626c653a206e6577206f776e657220697320746865207a65726f206160008201527f6464726573730000000000000000000000000000000000000000000000000000602082015250565b7f4552433732313a207472616e736665722066726f6d20696e636f72726563742060008201527f6f776e6572000000000000000000000000000000000000000000000000000000602082015250565b7f4552433732313a20746f6b656e20616c7265616479206d696e74656400000000600082015250565b7f4552433732313a207472616e7366657220746f20746865207a65726f2061646460008201527f7265737300000000000000000000000000000000000000000000000000000000602082015250565b7f4552433732313a20617070726f766520746f2063616c6c657200000000000000600082015250565b7f4552433732313a206f70657261746f7220717565727920666f72206e6f6e657860008201527f697374656e7420746f6b656e0000000000000000000000000000000000000000602082015250565b7f4552433732313a20617070726f76652063616c6c6572206973206e6f74206f7760008201527f6e6572206e6f7220617070726f76656420666f7220616c6c0000000000000000602082015250565b7f4552433732313a2062616c616e636520717565727920666f7220746865207a6560008201527f726f206164647265737300000000000000000000000000000000000000000000602082015250565b7f4552433732313a206f776e657220717565727920666f72206e6f6e657869737460008201527f656e7420746f6b656e0000000000000000000000000000000000000000000000602082015250565b7f68747470733a2f2f676174657761792e70696e6174612e636c6f75642f69706660008201527f732f516d64424561374b4541696a5a727142756837556e507433517a5654537260208201527f45767a5a4c6e314e6f736d6f51327a522f000000000000000000000000000000604082015250565b7f4552433732313a206d696e7420746f20746865207a65726f2061646472657373600082015250565b7f4552433732313a20617070726f76656420717565727920666f72206e6f6e657860008201527f697374656e7420746f6b656e0000000000000000000000000000000000000000602082015250565b7f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572600082015250565b7f4d696e74696e672074686973206d616e792065786365656473206d617820737560008201527f70706c79206f6620373737370000000000000000000000000000000000000000602082015250565b7f4552433732313a20617070726f76616c20746f2063757272656e74206f776e6560008201527f7200000000000000000000000000000000000000000000000000000000000000602082015250565b7f4552433732313a207472616e736665722063616c6c6572206973206e6f74206f60008201527f776e6572206e6f7220617070726f766564000000000000000000000000000000602082015250565b7f455243373231456e756d657261626c653a20676c6f62616c20696e646578206f60008201527f7574206f6620626f756e64730000000000000000000000000000000000000000602082015250565b7f5265656e7472616e637947756172643a207265656e7472616e742063616c6c00600082015250565b61340a81612c0d565b811461341557600080fd5b50565b61342181612c1f565b811461342c57600080fd5b50565b61343881612c2b565b811461344357600080fd5b50565b61344f81612c77565b811461345a57600080fd5b5056fea26469706673582212207f67d2b0b6b69c9d879aa6aab8101512be6b48377483f8b495e8586f567a46d064736f6c63430008010033

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