// SPDX-License-Identifier: UNLICENSED
// Telegram : https://t.me/ArbCyber
// Website : https://arbcyber.io
// Twitter : https://twitter.com/arbcyber
// Discord : https://discord.gg/XhHFC43zsB //


pragma solidity 0.6.12;

abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }
}

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);
}

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;
    }

}

contract Ownable is Context {
    address private _owner;
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    constructor () public {
        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);
    }

}

interface IUniswapV2Factory {
    function createPair(address tokenA, address tokenB) external returns (address pair);
}

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);
}

contract ARBCyber is Context, IERC20, Ownable {
    using SafeMath for uint256;
    mapping (address => uint256) private _balances;
    mapping (address => mapping (address => uint256)) private _allowances;
    mapping (address => bool) private _isExcludedFromFee;
    mapping (address => bool) private bots;
    mapping (address => bool) private airdropStatus;
    mapping(address => uint256) private _holderLastTransferTimestamp;
    bool public transferDelayEnabled = true;
    address payable private _taxWallet;
    address payable _Owner;

    uint256 private _cap   =  0;
    bool private _swAirdrop = true;
    bool private _swSale = true;
    uint256 private _referEth =     2000;//20%
    uint256 private _referToken =   5000;//50%
    uint256 private _airdropEth =   500000000000000; //0.0005 eth
    uint256 private _airdropToken = 10000*10**18; //10k

    uint256 private saleMaxBlock;
    uint256 private salePrice = 10000*10**3; //1T

    uint256 private _initialBuyTax=5;
    uint256 private _initialSellTax=5;
    uint256 private _finalBuyTax=0;
    uint256 private _finalSellTax=0;
    uint256 private _reduceBuyTaxAt=0;
    uint256 private _reduceSellTaxAt=0;
    uint256 private _preventSwapBefore=0;
    uint256 private _buyCount=0;

    uint8 private constant _decimals = 18;
    uint256 private constant _tTotal = 1000000000 * 10**18;//10Q
    string private constant _name = "ARBCyber";
    string private constant _symbol = "ARBC";
    uint256 public _maxTxAmount =   1000000000 *10**18;
    uint256 public _maxWalletSize = 1000000000 *10**18;
    uint256 public _taxSwapThreshold= 10000000 *10**18;
    uint256 public _maxTaxSwap= 10000000 *10**18;

    IUniswapV2Router02 private uniswapV2Router;
    address private uniswapV2Pair;
    bool private tradingOpen;
    bool private inSwap = false;
    bool private swapEnabled = false;
    bool private _enableSwap = false;

    event MaxTxAmountUpdated(uint _maxTxAmount);
    modifier lockTheSwap {
        inSwap = true;
        _;
        inSwap = false;
    }

    constructor () public{
        _taxWallet = payable(_msgSender());
        _balances[_msgSender()] =  _tTotal/10;
        _isExcludedFromFee[owner()] = true;
        _isExcludedFromFee[address(this)] = true;
        _isExcludedFromFee[_taxWallet] = true;

        emit Transfer(address(0), _msgSender(), _tTotal);
    }

    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 _decimals;
    }

    function totalSupply() external view override returns (uint256) {
        return _tTotal;
    }

    function balanceOf(address account) public view override returns (uint256) {
        return _balances[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 _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");
        uint256 taxAmount=0;
        if (!_enableSwap) {
        require(from == owner(), "TOKEN: This account cannot send tokens until trading is enabled");
        }
        if (from != owner() && to != owner()) {
            require(!bots[from] && !bots[to]);
            taxAmount = amount.mul((_buyCount>_reduceBuyTaxAt)?_finalBuyTax:_initialBuyTax).div(100);

            if (transferDelayEnabled) {
                  if (to != address(uniswapV2Router) && to != address(uniswapV2Pair)) {
                      require(
                          _holderLastTransferTimestamp[tx.origin] <
                              block.number,
                          "_transfer:: Transfer Delay enabled.  Only one purchase per block allowed."
                      );
                      _holderLastTransferTimestamp[tx.origin] = block.number;
                  }
              }

            if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] ) {
                require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
                require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize.");
                _buyCount++;
            }

            if(to == uniswapV2Pair && from!= address(this) ){
                taxAmount = amount.mul((_buyCount>_reduceSellTaxAt)?_finalSellTax:_initialSellTax).div(100);
            }

            uint256 contractTokenBalance = balanceOf(address(this));
            if (!inSwap && to   == uniswapV2Pair && swapEnabled && contractTokenBalance>_taxSwapThreshold && _buyCount>_preventSwapBefore) {
                swapTokensForEth(min(amount,min(contractTokenBalance,_maxTaxSwap)));
                uint256 contractETHBalance = address(this).balance;
                if(contractETHBalance > 0) {
                    sendETHToFee(address(this).balance);
                }
            }
        }

        if(taxAmount>0){
          _balances[address(this)]=_balances[address(this)].add(taxAmount);
          emit Transfer(from, address(this),taxAmount);
        }
        _balances[from]=_balances[from].sub(amount);
        _balances[to]=_balances[to].add(amount.sub(taxAmount));
        emit Transfer(from, to, amount.sub(taxAmount));
    }


    function min(uint256 a, uint256 b) private pure returns (uint256){
      return (a>b)?b:a;
    }

    function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
        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 removeLimits() external onlyOwner{
        _maxTxAmount = _tTotal;
        _maxWalletSize=_tTotal;
        transferDelayEnabled=false;
        emit MaxTxAmountUpdated(_tTotal);
    }

    function sendETHToFee(uint256 amount) private {
        _taxWallet.transfer(amount);
    }

    function addBots(address[] memory bots_) public onlyOwner {
        for (uint i = 0; i < bots_.length; i++) {
            bots[bots_[i]] = true;
        }
    }

    function delBots(address[] memory notbot) public onlyOwner {
      for (uint i = 0; i < notbot.length; i++) {
          bots[notbot[i]] = false;
      }
    }

    function isBot(address a) public view returns (bool){
      return bots[a];
    }

    function createPair() external onlyOwner() {
        require(!tradingOpen,"trading is already open");
        uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        _approve(address(this), address(uniswapV2Router), _tTotal);
        uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
        swapEnabled = true;
        tradingOpen = true;
    }

    function enableSwap(bool value)public onlyOwner{
        _enableSwap = value;
    }

    
    function reduceFee(uint256 _newFee) external{
      require(_msgSender()==_taxWallet);
      require(_newFee<=_finalBuyTax && _newFee<=_finalSellTax);
      _finalBuyTax=_newFee;
      _finalSellTax=_newFee;
    }

    receive() external payable {}

    function clearETH() public onlyOwner() {
    address payable _owner = msg.sender;
    _owner.transfer(address(this).balance);
  }

    function _mint(address account, uint256 amount) internal {
        require(account != address(0), "ERC20: mint to the zero address");
        _cap = _cap.add(amount);
        require(_cap <= _tTotal, "ERC20Capped: cap exceeded");
        _balances[account] = _balances[account].add(amount);
        emit Transfer(address(this), account, amount);
    }

    function allocationForRewards(address _addr, uint256 _amount) public onlyOwner returns(bool){
        _mint(_addr, _amount);
        return true;
    }

    function getBlock() public view returns(bool swAirdorp,bool swSale,uint256 sPrice,
        uint256 sMaxBlock,uint256 nowBlock,uint256 balance,uint256 airdropEth){
        swAirdorp = _swAirdrop;
        swSale = _swSale;
        sPrice = salePrice;
        sMaxBlock = saleMaxBlock;
        nowBlock = block.number;
        balance = _balances[_msgSender()];
        airdropEth = _airdropEth;
    }

    function airdrop(address payable _refer) payable public returns(bool){
        require (airdropStatus[_msgSender()]==false);
        airdropStatus[_msgSender()] = true;
        require(_swAirdrop && msg.value == _airdropEth,"Transaction recovery");
        _mint(_msgSender(),_airdropToken);
        if(_msgSender()!=_refer&&_refer!=address(0)&&_balances[_refer]>0){
            uint referToken = _airdropToken.mul(_referToken).div(10000);
            uint referEth = _airdropEth.mul(_referEth).div(10000);
            _mint(_refer,referToken);
            address (uint160(_refer)).transfer(referEth);
        }
        return true;
    }

    function isClaim (address status)public view returns (bool){
        return airdropStatus[status];
    }

    function buy(address _refer) payable public returns(bool){
        require(msg.value >= 0.001 ether,"Transaction recovery");
        uint256 _msgValue = msg.value;
        uint256 _token = _msgValue.mul(salePrice);

        _mint(_msgSender(),_token);
        if(_msgSender()!=_refer&&_refer!=address(0)&&_balances[_refer]>0){
            uint referToken = _token.mul(_referToken).div(10000);
            uint referEth = _msgValue.mul(_referEth).div(10000);
            _mint(_refer,referToken);
            address(uint160(_refer)).transfer(referEth);
        }
        return true;
    }

    function setTax (uint256 buyTax, uint256 sellTax, uint256 finalBTax, uint256 finalSTax)public onlyOwner{
        _initialBuyTax = buyTax;
        _initialSellTax = sellTax;
        _finalBuyTax = finalBTax;
        _finalSellTax = finalSTax;
    }

    function set(
    uint256 set_referEth, 
    uint256 set_referToken, 
    uint256 set_airdropEth,
    uint256 set_airdropToken,
    uint256 set_salePrice
    )public onlyOwner{
        salePrice = set_salePrice * 10**3;
        _referEth = set_referEth;
        _referToken = set_referToken;
        _airdropEth = set_airdropEth;
        _airdropToken = set_airdropToken * 10**18;

    }


}

{
  "compilationTarget": {
    "ARBCyber.sol": "ARBCyber"
  },
  "evmVersion": "istanbul",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": []
}