// File: services/IUniswapV2Router02.sol


pragma solidity ^0.8.0;

interface IUniswapV2Router02 {
    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
    function factory() external pure returns (address);
    function WETH() external pure returns (address);
    function addLiquidityETH(
        address token,
        uint amountTokenDesired,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external payable returns (uint amountToken, uint amountETH, uint liquidity);
}
// File: services/IUniswapV2Factory.sol


pragma solidity ^0.8.0;

interface IUniswapV2Factory {
    function createPair(address tokenA, address tokenB) external returns (address pair);
}
// File: services/SafeMath.sol



pragma solidity ^0.8.4;

library SafeMath {
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");
        return c;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return sub(a, b, "SafeMath: subtraction overflow");
    }

    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        uint256 c = a - b;
        return c;
    }

    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }
        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");
        return c;
    }

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return div(a, b, "SafeMath: division by zero");
    }

    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        uint256 c = a / b;
        return c;
    }

}
// File: services/IERC20.sol



pragma solidity ^0.8.4;

interface IERC20 {
    function totalSupply() external view returns (uint256);
    function balanceOf(address account) external view returns (uint256);
    function transfer(address recipient, uint256 amount) external returns (bool);
    function allowance(address owner, address spender) external view returns (uint256);
    function approve(address spender, uint256 amount) external returns (bool);
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);
}
// File: services/contextHelper.sol



pragma solidity ^0.8.4;

abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }
}
// File: services/ERC20Ownable.sol



pragma solidity ^0.8.4;


contract ERC20Ownable is Context {
    address private _owner;
    address private _previousOwner;
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    constructor () {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    function owner() public view returns (address) {
        return _owner;
    }

    modifier onlyOwner() {
        require(_owner == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

}  
// File: contracts/contract.sol



pragma solidity ^0.8.9;







contract TsukiyomiInu is Context, IERC20, ERC20Ownable {
    using SafeMath for uint256;
    IUniswapV2Router02 private uniswapV2Router;
    mapping (address => uint256) private _ownAmt;
    mapping (address => mapping (address => uint256)) private _allowances;
    mapping (address => bool) private _noFeeList;
    mapping (address => bool) private _isBlackListed;
    mapping (address => uint) private _setCoolDown;
    address payable private _taxWallet;
    address private uniswapV2Pair;
    uint256 private constant MAX = ~uint256(0);
    uint256 private constant _tTotal = 1e19 * 10**9;
    uint256 private _rTotal = (MAX - (MAX % _tTotal));
    uint256 private _maxTxAmount = _tTotal;
    uint256 private _tFeeTotal;
    uint256 private _taxFee1;
    uint256 private _taxFee2;
    bool private OpenTrades;
    bool private inSwap = false;
    bool private enableSwap = false;
    bool private coolDownEnabled = false;
    event MaxTxAmountUpdated(uint _maxTxAmount);
    modifier swapLock {
        inSwap = true;
        _;
        inSwap = false;
    }
    /*
        TOKENS BASIC INFORMATION
        -------------------------
    **/
    string private constant _name = "Tsukiyomi Inu";
    string private constant _symbol = "TYOMI";
    uint8 private constant _decimal = 9;
    
    //--------------------------------------------
    
    constructor () {
        _taxWallet = payable(0x645Af6569B614fB33921Fe3Ce781D3Ca55033353);
        _ownAmt[_msgSender()] = _rTotal;
        _noFeeList[owner()] = true;
        _noFeeList[address(this)] = true;
        _noFeeList[_taxWallet] = true;
        
        
        /*
            BLACK LIST OF BOTS
            ------------------
        **/
        
        
        
        
        
        
        /*
            BLACK LIST OF BOTS
            ------------------
        **/
        
        emit Transfer(address(0), _msgSender(), _tTotal);
    }
    
    receive() external payable {}
    
    function name() public pure returns (string memory) {
        return _name;
    }
    function symbol() public pure returns (string memory) {
        return _symbol;
    }
    function decimals() public pure returns (uint8) {
        return _decimal;
    }
    function totalSupply() public pure returns (uint256) {
        return _tTotal;
    }
    function balanceOf(address account) public view returns (uint256) {
        return tokenReflection(_ownAmt[account]);
    }
    function transfer(address recipient, uint256 amount) public override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }
    function allowance(address owner, address spender) public view override returns (uint256) {
        return _allowances[owner][spender];
    }
    function approve(address spender, uint256 amount) public override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }
    function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
        _transfer(sender, recipient, amount);
        _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
        return true;
    }
    function setCooldownEnabled(bool onoff) external onlyOwner() {
        coolDownEnabled = onoff;
    }
   function blackList(address _user) public onlyOwner {
        require(!_isBlackListed[_user], "user already blacklisted");
        _isBlackListed[_user] = true;
    }
    function removeFromBlacklist(address _user) public onlyOwner {
        require(_isBlackListed[_user], "user already whitelisted");
        _isBlackListed[_user] = false;
    }
    function tokenReflection(uint256 rAmount) private view returns(uint256) {
        require(rAmount <= _rTotal, "Amount must be less than total reflections");
        uint256 currentRate =  _getRate();
        return rAmount.div(currentRate);
    }
    function _approve(address owner, address spender, uint256 amount) private {
        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 _transfer(address from, address to, uint256 amount) private {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");
        require(amount > 0, "Transfer amount must be greater than zero");
        _taxFee1 = 2;
        _taxFee2 = 8;
        if (from != owner() && to != owner()) {
            require(!_isBlackListed[to] && !_isBlackListed[from]);
            if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _noFeeList[to] && coolDownEnabled) {
                // Cooldown
                require(amount <= _maxTxAmount);
                require(_setCoolDown[to] < block.timestamp);
                _setCoolDown[to] = block.timestamp + (30 seconds);
            }
            if (to == uniswapV2Pair && from != address(uniswapV2Router) && ! _noFeeList[from]) {
                _taxFee1 = 2;
                _taxFee2 = 10;
            }
            uint256 contractTokenBalance = balanceOf(address(this));
            if (!inSwap && from != uniswapV2Pair && enableSwap) {
                swapTokensForETH(contractTokenBalance);
                uint256 contractETHBalance = address(this).balance;
                if(contractETHBalance > 0) {
                    sendTax(address(this).balance);
                }
            }
        }
        _tokenTransfer(from,to,amount);
    }
    function swapTokensForETH(uint256 tokenAmount) private swapLock {
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = uniswapV2Router.WETH();
        _approve(address(this), address(uniswapV2Router), tokenAmount);
        uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
            tokenAmount,
            0,
            path,
            address(this),
            block.timestamp
        );
    }
    function sendTax(uint256 amount) private {
        _taxWallet.transfer(amount.div(2));
        _taxWallet.transfer(amount.div(2));
    }
    function openTrading() external onlyOwner() {
        require(!OpenTrades,"trading is already open");
        IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        uniswapV2Router = _uniswapV2Router;
        _approve(address(this), address(uniswapV2Router), _tTotal);
        uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());
        uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
        enableSwap = true;
        coolDownEnabled = true;
        _maxTxAmount = 1e19 * 10**9;
        OpenTrades = true;
        IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
    }
    function _tokenTransfer(address sender, address recipient, uint256 amount) private {
        _transferStandard(sender, recipient, amount);
    }
    function _transferStandard(address sender, address recipient, uint256 tAmount) private {
        (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTax) = _getValues(tAmount);
        _ownAmt[sender] = _ownAmt[sender].sub(rAmount);
        _ownAmt[recipient] = _ownAmt[recipient].add(rTransferAmount); 
        _takeTax(tTax);
        _reflectFee(rFee, tFee);
        emit Transfer(sender, recipient, tTransferAmount);
    }
    function _takeTax(uint256 tTax) private {
        uint256 currentRate =  _getRate();
        uint256 rTax = tTax.mul(currentRate);
        _ownAmt[address(this)] = _ownAmt[address(this)].add(rTax);
    }
    function _reflectFee(uint256 rFee, uint256 tFee) private {
        _rTotal = _rTotal.sub(rFee);
        _tFeeTotal = _tFeeTotal.add(tFee);
    }
    function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) {
        (uint256 tTransferAmount, uint256 tFee, uint256 tTax) = _getTValues(tAmount, _taxFee1, _taxFee2);
        uint256 currentRate =  _getRate();
        (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTax, currentRate);
        return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTax);
    }
    function _getTValues(uint256 tAmount, uint256 taxFee, uint256 liqTax) private pure returns (uint256, uint256, uint256) {
        uint256 tFee = tAmount.mul(taxFee).div(100);
        uint256 tTax = tAmount.mul(liqTax).div(100);
        uint256 tTransferAmount = tAmount.sub(tFee).sub(tTax);
        return (tTransferAmount, tFee, tTax);
    }
    function _getRValues(uint256 tAmount, uint256 tFee, uint256 tTax, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
        uint256 rAmount = tAmount.mul(currentRate);
        uint256 rFee = tFee.mul(currentRate);
        uint256 rTax = tTax.mul(currentRate);
        uint256 rTransferAmount = rAmount.sub(rFee).sub(rTax);
        return (rAmount, rTransferAmount, rFee);
    }
	function _getRate() private view returns(uint256) {
        (uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
        return rSupply.div(tSupply);
    }
    function _getCurrentSupply() private view returns(uint256, uint256) {
        uint256 rSupply = _rTotal;
        uint256 tSupply = _tTotal;      
        if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
        return (rSupply, tSupply);
    }
}