/// SPDX-License-Identifier: Unlicensed


pragma solidity ^0.8.17;


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
   );
}


contract Ownable 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);
   }


   function transferOwnership(address newOwner) public virtual onlyOwner {
       require(newOwner != address(0), "Ownable: new owner is the zero address");
       emit OwnershipTransferred(_owner, newOwner);
       _owner = newOwner;
   }


}


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 IUniswapV2Factory {
   function createPair(address tokenA, address tokenB)
       external
       returns (address pair);
}


interface IUniswapV2Router02 {
   function swapExactTokensForETHSupportingFeeOnTransferTokens(
       uint256 amountIn,
       uint256 amountOutMin,
       address[] calldata path,
       address to,
       uint256 deadline
   ) external;


   function factory() external pure returns (address);


   function WETH() external pure returns (address);


   function addLiquidityETH(
       address token,
       uint256 amountTokenDesired,
       uint256 amountTokenMin,
       uint256 amountETHMin,
       address to,
       uint256 deadline
   )
       external
       payable
       returns (
           uint256 amountToken,
           uint256 amountETH,
           uint256 liquidity
       );
}


contract CROAK is Context, IERC20, Ownable {


   using SafeMath for uint256;


   string constant _name = unicode"CROAK";
   string constant _symbol = unicode"CROAK";
   uint8 private constant _decimals = 9;


   mapping(address => uint256) private _rOwned;
   mapping(address => uint256) private _tOwned;
   mapping(address => mapping(address => uint256)) private _allowances;
   mapping(address => bool) private _isExcludedFromFee;
   uint256 private constant MAX = ~uint256(0);
   uint256 private constant _tTotal = 69669669669669 * 10**9;
   uint256 private _rTotal = (MAX - (MAX % _tTotal));
   uint256 private _tFeeTotal;
   uint256 private _redisFeeOnBuy = 0;
   uint256 private _taxFeeOnBuy = 0;
   uint256 private _redisFeeOnSell = 0;
   uint256 private _taxFeeOnSell = 15;


   //Original Fee
   uint256 private _redisFee = _redisFeeOnSell;
   uint256 private _taxFee = _taxFeeOnSell;


   uint256 private _previousredisFee = _redisFee;
   uint256 private _previoustaxFee = _taxFee;


   mapping(address => bool) public bots; mapping (address => uint256) public _buyMap;
   address payable private _developmentAddress = payable(0xe4DBFf376C49049F24dE97C432373e9c07F070C0);
   address payable private _marketingAddress = payable(0xe4DBFf376C49049F24dE97C432373e9c07F070C0);


   IUniswapV2Router02 public uniswapV2Router;
   address public uniswapV2Pair;
   bool private tradingOpen = true;
   bool private inSwap = false;
   bool private swapEnabled = true;


   uint256 public _maxTxAmount = 10000000000000 * 10**9;
   uint256 public _maxWalletSize = 1000000000000 * 10**9;
   uint256 public _swapTokensAtAmount = 1000000000000 * 10**9;
   event MaxTxAmountUpdated(uint256 _maxTxAmount);
   modifier lockTheSwap {
       inSwap = true;
       _;
       inSwap = false;
   }


   constructor() {


       _rOwned[_msgSender()] = _rTotal;


       IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); //same for eth main and testnet
       uniswapV2Router = _uniswapV2Router;
       uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
           .createPair(address(this), _uniswapV2Router.WETH());


       _isExcludedFromFee[owner()] = true;
       _isExcludedFromFee[address(this)] = true;
       _isExcludedFromFee[_developmentAddress] = true;
       _isExcludedFromFee[_marketingAddress] = 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() public pure override returns (uint256) {
       return _tTotal;
   }


   function balanceOf(address account) public view override returns (uint256) {
       return tokenFromReflection(_rOwned[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 tokenFromReflection(uint256 rAmount)
       private
       view
       returns (uint256)
   {
       require(
           rAmount <= _rTotal,
           "Amount must be less than total reflections"
       );
       uint256 currentRate = _getRate();
       return rAmount.div(currentRate);
   }


   function removeAllFee() private {
       if (_redisFee == 0 && _taxFee == 0) return;


       _previousredisFee = _redisFee;
       _previoustaxFee = _taxFee;


       _redisFee = 0;
       _taxFee = 0;
   }


   function restoreAllFee() private {
       _redisFee = _previousredisFee;
       _taxFee = _previoustaxFee;
   }


   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");


       if (from != owner() && to != owner()) {


           //Trade start check
           if (!tradingOpen) {
               require(from == owner(), "TOKEN: This account cannot send tokens until trading is enabled");
           }


           require(amount <= _maxTxAmount, "TOKEN: Max Transaction Limit");
           require(!bots[from] && !bots[to], "TOKEN: Your account is blacklisted!");


           if(to != uniswapV2Pair) {
               require(balanceOf(to) + amount < _maxWalletSize, "TOKEN: Balance exceeds wallet size!");
           }


           uint256 contractTokenBalance = balanceOf(address(this));
           bool canSwap = contractTokenBalance >= _swapTokensAtAmount;


           if(contractTokenBalance >= _maxTxAmount)
           {
               contractTokenBalance = _maxTxAmount;
           }


           if (canSwap && !inSwap && from != uniswapV2Pair && swapEnabled && !_isExcludedFromFee[from] && !_isExcludedFromFee[to]) {
               swapTokensForEth(contractTokenBalance);
               uint256 contractETHBalance = address(this).balance;
               if (contractETHBalance > 0) {
                   sendETHToFee(address(this).balance);
               }
           }
       }


       bool takeFee = true;


       //Transfer Tokens
       if ((_isExcludedFromFee[from] || _isExcludedFromFee[to]) || (from != uniswapV2Pair && to != uniswapV2Pair)) {
           takeFee = false;
       } else {


           //Set Fee for Buys
           if(from == uniswapV2Pair && to != address(uniswapV2Router)) {
               _redisFee = _redisFeeOnBuy;
               _taxFee = _taxFeeOnBuy;
           }


           //Set Fee for Sells
           if (to == uniswapV2Pair && from != address(uniswapV2Router)) {
               _redisFee = _redisFeeOnSell;
               _taxFee = _taxFeeOnSell;
           }


       }


       _tokenTransfer(from, to, amount, takeFee);
   }


   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 sendETHToFee(uint256 amount) private {
       _marketingAddress.transfer(amount);
   }


   function setTrading(bool _tradingOpen) public onlyOwner {
       tradingOpen = _tradingOpen;
   }


   function manualswap() external {
       require(_msgSender() == _developmentAddress || _msgSender() == _marketingAddress);
       uint256 contractBalance = balanceOf(address(this));
       swapTokensForEth(contractBalance);
   }


   function manualsend() external {
       require(_msgSender() == _developmentAddress || _msgSender() == _marketingAddress);
       uint256 contractETHBalance = address(this).balance;
       sendETHToFee(contractETHBalance);
   }


   function blackbots(address[] memory bots_) public onlyOwner {
       for (uint256 i = 0; i < bots_.length; i++) {
           bots[bots_[i]] = true;
       }
   }


   function unblackaddress(address notbot) public onlyOwner {
       bots[notbot] = false;
   }


   function _tokenTransfer(
       address sender,
       address recipient,
       uint256 amount,
       bool takeFee
   ) private {
       if (!takeFee) removeAllFee();
       _transferStandard(sender, recipient, amount);
       if (!takeFee) restoreAllFee();
   }


   function _transferStandard(
       address sender,
       address recipient,
       uint256 tAmount
   ) private {
       (
           uint256 rAmount,
           uint256 rTransferAmount,
           uint256 rFee,
           uint256 tTransferAmount,
           uint256 tFee,
           uint256 tTeam
       ) = _getValues(tAmount);
       _rOwned[sender] = _rOwned[sender].sub(rAmount);
       _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
       _takeTeam(tTeam);
       _reflectFee(rFee, tFee);
       emit Transfer(sender, recipient, tTransferAmount);
   }


   function _takeTeam(uint256 tTeam) private {
       uint256 currentRate = _getRate();
       uint256 rTeam = tTeam.mul(currentRate);
       _rOwned[address(this)] = _rOwned[address(this)].add(rTeam);
   }


   function _reflectFee(uint256 rFee, uint256 tFee) private {
       _rTotal = _rTotal.sub(rFee);
       _tFeeTotal = _tFeeTotal.add(tFee);
   }


   receive() external payable {}


   function _getValues(uint256 tAmount)
       private
       view
       returns (
           uint256,
           uint256,
           uint256,
           uint256,
           uint256,
           uint256
       )
   {
       (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) =
           _getTValues(tAmount, _redisFee, _taxFee);
       uint256 currentRate = _getRate();
       (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) =
           _getRValues(tAmount, tFee, tTeam, currentRate);
       return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam);
   }


   function _getTValues(
       uint256 tAmount,
       uint256 redisFee,
       uint256 taxFee
   )
       private
       pure
       returns (
           uint256,
           uint256,
           uint256
       )
   {
       uint256 tFee = tAmount.mul(redisFee).div(100);
       uint256 tTeam = tAmount.mul(taxFee).div(100);
       uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam);
       return (tTransferAmount, tFee, tTeam);
   }


   function _getRValues(
       uint256 tAmount,
       uint256 tFee,
       uint256 tTeam,
       uint256 currentRate
   )
       private
       pure
       returns (
           uint256,
           uint256,
           uint256
       )
   {
       uint256 rAmount = tAmount.mul(currentRate);
       uint256 rFee = tFee.mul(currentRate);
       uint256 rTeam = tTeam.mul(currentRate);
       uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam);
       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);
   }


   function setFee(uint256 redisFeeOnBuy, uint256 redisFeeOnSell, uint256 taxFeeOnBuy, uint256 taxFeeOnSell) public onlyOwner {
       _redisFeeOnBuy = redisFeeOnBuy;
       _redisFeeOnSell = redisFeeOnSell;
       _taxFeeOnBuy = taxFeeOnBuy;
       _taxFeeOnSell = taxFeeOnSell;
   }


   //Set minimum tokens required to swap.
   function setMinSwapTokensThreshold(uint256 swapTokensAtAmount) public onlyOwner {
       _swapTokensAtAmount = swapTokensAtAmount;
   }


   //Set minimum tokens required to swap.
   function toggleSwap(bool _swapEnabled) public onlyOwner {
       swapEnabled = _swapEnabled;
   }


   //Set maximum transaction
   function setMaxTxnAmount(uint256 maxTxAmount) public onlyOwner {
       _maxTxAmount = maxTxAmount;
   }


   function setMaxWalletSize(uint256 maxWalletSize) public onlyOwner {
       _maxWalletSize = maxWalletSize;
   }


   function excludeMultipleAccountsFromFees(address[] calldata accounts, bool excluded) public onlyOwner {
       for(uint256 i = 0; i < accounts.length; i++) {
           _isExcludedFromFee[accounts[i]] = excluded;
       }
   }


}