Contract Source Code:

/**
/*
Ai Bridge Chain Bot


$ABC


https://t.me/Aibridgechainbot


*/
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
  return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
  return msg.data;
}
}
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 Address {
function isContract(address account) internal view returns (bool) {
  // According to EIP-1052, 0x0 is the value returned for not-yet created accounts
  // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
  // for accounts without code, i.e. `keccak256('')`
  bytes32 codehash;
  bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
  // solhint-disable-next-line no-inline-assembly
  assembly { codehash := extcodehash(account) }
  return (codehash != accountHash && codehash != 0x0);
}
function sendValue(address payable recipient, uint256 amount) internal {
  require(address(this).balance >= amount, "Address: insufficient balance");
  // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
  (bool success, ) = recipient.call{ value: amount }("");
  require(success, "Address: unable to send value, recipient may have reverted");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
  return _functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
  return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
  require(address(this).balance >= value, "Address: insufficient balance for call");
  return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
  require(isContract(target), "Address: call to non-contract");
  (bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
  if (success) {
      return returndata;
  } else {
       if (returndata.length > 0) {
          assembly {
              let returndata_size := mload(returndata)
              revert(add(32, returndata), returndata_size)
          }
      } else {
          revert(errorMessage);
      }
  }
}
}
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() {
  _setOwner(_msgSender());
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
  return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
  require(owner() == _msgSender(), "Ownable: caller is not the owner");
  _;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
  _setOwner(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
  require(newOwner != address(0), "Ownable: new owner is the zero address");
  _setOwner(newOwner);
}
function _setOwner(address newOwner) private {
  address oldOwner = _owner;
  _owner = newOwner;
  emit OwnershipTransferred(oldOwner, newOwner);
}
}
contract Aibridgechainbot is Context,IERC20, Ownable{
using Address for address;
string private _name = "AI BRIDGE CHAIN BOT";
string private _symbol = "$ABC";
uint8 private _decimals = 18;
uint256 totalFeeFortx = 0;
uint256 maxWalletTreshold = 2;
uint256 maxTxTreshold = 2;
uint256 private swapTreshold =1;
uint256 private currentThreshold = 10; //Once the token value goes up this number can be decreased (To reduce price impact on asset)
uint256 private _totalSupply = (10000000 * 10**4) * 10**_decimals; //
uint256 public requiredTokensToSwap = _totalSupply * swapTreshold /1000;
mapping (address => uint256) private _balances;
mapping (address => bool) private _excludedFromFees;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) public automatedMarketMakerPairs;
address _owner;
address payable public marketingAddress = payable(0xFc52Ff5DC557aA4B8073B39FE4ab21D716Ea2778


);
uint256 maxWalletAmount = _totalSupply*maxWalletTreshold/200; // starting 2%
uint256 maxTxAmount = _totalSupply*maxTxTreshold/100;
mapping (address => bool) botWallets;
bool botTradeEnabled = false;
bool checkWalletSize = true;
mapping (address => bool) private _liquidityHolders;
mapping (address => bool) private presaleAddresses;
//Aibridgechainbot Taxes
uint256 private buyliqFee = 4; //0
uint256 private buyprevLiqFee = 0;
uint256 private buymktFee = 11;//0
uint256 private buyPrevmktFee = 0;
uint256 AibridgechainbotCOINDaycooldown = 0;
bool private tradeEnabled = true;
uint256 private sellliqFee = 5;
uint256 private sellprevLiqFee = 0;
uint256 private sellmktFee = 40;
uint256 private sellPrevmktFee = 0;
bool public inSwapAndLiquify;
bool public swapAndLiquifyEnabled = true;
address public immutable deadAddress = 0x000000000000000000000000000000000000dEaD;
uint256 private mktTokens = 0;
uint256 private liqTokens = 0;
event SwapAndLiquify(uint256 tokensSwapped,
  uint256 ethReceived,
  uint256 tokensIntoLiquidity
);
event tokensSwappedDuringTokenomics(uint256 amount);
event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);
// 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
IUniswapV2Router02 _router;
address public uniswapV2Pair;
//Balances tracker
modifier lockTheSwap{
  inSwapAndLiquify = true;
  _;
  inSwapAndLiquify = false;
}
constructor(){
  _balances[_msgSender()] = _totalSupply;
  //0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D mainnet and all networks
  IUniswapV2Router02 _uniRouter = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
   uniswapV2Pair = IUniswapV2Factory(_uniRouter.factory())
      .createPair(address(this), _uniRouter.WETH());
   _excludedFromFees[owner()] = true;   
  _excludedFromFees[address(this)] = true;// exclude owner and contract instance from fees
  _router = _uniRouter;
  _liquidityHolders[address(_router)] = true;
  _liquidityHolders[owner()] = true;
  _liquidityHolders[address(this)] = true;
  _setAutomatedMarketMakerPair(address(uniswapV2Pair), true);
  emit Transfer(address(0),_msgSender(),_totalSupply);
}
receive() external payable{}
//general token data and tracking of balances to be swapped.
function getOwner()external view returns(address){
      return owner();
}
function currentmktTokens() external view returns (uint256){
      return mktTokens;
}
function currentLiqTokens() external view returns (uint256){
      return liqTokens;
}
function totalSupply() external view override returns (uint256){
      return _totalSupply;
}
function balanceOf(address account) public view override returns (uint256){
  return _balances[account];
}
function transfer(address recipient, uint256 amount) external override returns (bool){
      _transfer(_msgSender(),recipient,amount);
      return true;
}
function allowance(address owner, address spender) external view override returns (uint256){
      return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) external override returns (bool){
      _approve(_msgSender(),spender,amount);
      return true;
}
function decimals()external view returns(uint256){
  return _decimals;
}
function name() external view returns (string memory) {
  return _name;
}
function symbol() external view returns (string memory){
  return _symbol;
}
  function updateMaxTxTreshold(uint256 newVal) public onlyOwner{
  maxTxTreshold = newVal;
  maxTxAmount = _totalSupply*maxTxTreshold/100;// 1%
}
function updateMaxWalletTreshold(uint256 newVal) public onlyOwner{
  maxWalletTreshold = newVal;
  maxWalletAmount = _totalSupply*maxWalletTreshold/100;
}
function transferFrom(
  address sender,
  address recipient,
  uint256 amount
) public override returns (bool){
  require(amount <= _allowances[sender][_msgSender()], "ERC20: transfer amount exceeds allowance");
  _transfer(sender, recipient, amount);
  _approve(sender, _msgSender(), _allowances[sender][_msgSender()] - amount);
  return true;
}
//Tokenomics related functions
function COINDay() public onlyOwner{
   require(block.timestamp > AibridgechainbotCOINDaycooldown, "You cant call AibridgechainbotCOINCoinDay more than once a day");
   buyPrevmktFee = buymktFee;
   buyprevLiqFee = buyliqFee;
   buyliqFee = 0;
   buymktFee = 0;
}
function AibridgechainbotCOINCoinDayOver() public onlyOwner{
   buyliqFee = buyprevLiqFee;
   buymktFee = buyPrevmktFee;
   AibridgechainbotCOINDaycooldown = block.timestamp + 86400;
}
function addBotWallet (address payable detectedBot, bool isBot) public onlyOwner{
  botWallets[detectedBot] = isBot;
}
function currentbuyliqFee() public view returns (uint256){
      return buyliqFee;
}
function currentbuymktfee() public view returns (uint256){
      return buymktFee;
}
function currentsellLiqFee() public view returns (uint256){
      return sellliqFee;
}
function currentsellmktfee() public view returns (uint256){
      return sellmktFee;
}
function currentThresholdInt()public view returns (uint256){
  return currentThreshold;
}
function isExcluded(address toCheck)public view returns (bool){
      return _excludedFromFees[toCheck];
}
function _transfer(address from, address to, uint256 amount) internal{
   require(from != address(0), "ERC20: transfer from the zero address");
  require(to != address(0), "ERC20: transfer to the zero address");
  require(amount > 0,"ERC20: transfered amount must be greater than zero");
  uint256 senderBalance = _balances[from];
  require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
  if(tradeEnabled == false){
      require(_liquidityHolders[to] || _liquidityHolders[from],"Cant trade, trade is disabled");
  }
  if(_liquidityHolders[to]==false && _liquidityHolders[from]==false){
  require(amount <= maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
   if(from == uniswapV2Pair){
          require(balanceOf(to)+amount <= maxWalletAmount);
      }
  }
  uint256 inContractBalance = balanceOf(address(this));
  if(inContractBalance >=requiredTokensToSwap &&
      !inSwapAndLiquify &&
      from != uniswapV2Pair &&
      swapAndLiquifyEnabled){
          if(inContractBalance >= requiredTokensToSwap ){
              inContractBalance = requiredTokensToSwap;
              swapForTokenomics(inContractBalance);
          }
      }
      bool takeFees = true;
 
      if(_excludedFromFees[from] || _excludedFromFees[to]) {
          totalFeeFortx = 0;
          takeFees = false;
   
      }
      uint256 mktAmount = 0;
      uint256 liqAmount = 0;  // Amount to be added to liquidity.
      if(takeFees){
    
    
          //bot fees
          if(botWallets[from] == true||botWallets[to]==true){
              revert("No bots can trade");
          }
          //Selling fees
          if (automatedMarketMakerPairs[to] && to != address(_router) ){
                  totalFeeFortx = 0;
                  mktAmount = amount * sellmktFee/100;
                  liqAmount = amount * sellliqFee/100;
                  totalFeeFortx = mktAmount + liqAmount;
          }
          //Buy Fees
          else if(automatedMarketMakerPairs[from] && from != address(_router)) {
    
              totalFeeFortx = 0;
              mktAmount = amount * buymktFee/100;
              liqAmount = amount * buyliqFee/100;
              totalFeeFortx = mktAmount + liqAmount ;
          }
    
      }
      _balances[from] = senderBalance - amount;
      _balances[to] += amount - mktAmount - liqAmount;
    if(liqAmount != 0) {
      _balances[address(this)] += totalFeeFortx;
      //tLiqTotal += liqAmount;
      liqTokens += liqAmount;
      mktTokens += mktAmount;
      emit Transfer(from, address(this), totalFeeFortx);
       }
      emit Transfer(from, to,amount-totalFeeFortx);
 }
function swapForTokenomics(uint256 balanceToswap) private lockTheSwap{
  swapAndLiquify(liqTokens);
  swapTokensForETHmkt(mktTokens);
  emit tokensSwappedDuringTokenomics(balanceToswap);
  mktTokens = 0;
  liqTokens = 0;
}
function addLimitExempt(address newAddress)external onlyOwner{
  _liquidityHolders[newAddress] = true;
}
function swapTokensForETHmkt(uint256 amount)private {
  address[] memory path = new address[](2);
  path[0] = address(this);
  path[1] = _router.WETH();
  _approve(address(this), address(_router), amount);
   _router.swapExactTokensForETHSupportingFeeOnTransferTokens(
      amount,
      0, // Accept any amount of ETH.
      path,
      marketingAddress,
      block.timestamp
  );
}
function unstuckTokens (IERC20 tokenToClear, address payable destination, uint256 amount) public onlyOwner{
  //uint256 contractBalance = tokenToClear.balanceOf(address(this));
  tokenToClear.transfer(destination, amount);
}
function unstuckETH(address payable destination) public onlyOwner{
  uint256 ethBalance = address(this).balance;
  payable(destination).transfer(ethBalance);
}
function tradeStatus(bool status) public onlyOwner{
  tradeEnabled = status;
}
function swapAndLiquify(uint256 liqTokensPassed) private {
  uint256 half = liqTokensPassed / 2;
  uint256 otherHalf = liqTokensPassed - half;
  uint256 initialBalance = address(this).balance;
  swapTokensForETH(half);
  uint256 newBalance = address(this).balance - (initialBalance);
  addLiquidity(otherHalf, newBalance);
  emit SwapAndLiquify(half,newBalance,otherHalf);
}
function swapTokensForETH(uint256 tokenAmount) private{
  address[] memory path = new address[](2);
  path[0] = address(this);
  path[1] = _router.WETH();
  _approve(address(this), address(_router), tokenAmount);
   _router.swapExactTokensForETHSupportingFeeOnTransferTokens(
      tokenAmount,
      0, // Accept any amount of ETH.
      path,
      address(this),
      block.timestamp
  );
}
function addLiquidity(uint256 tokenAmount,uint256 ethAmount) private{
  _approve(address(this), address(_router), tokenAmount);
  _router.addLiquidityETH{value:ethAmount}(
      address(this),
      tokenAmount,
      0,
      0,
      deadAddress,// tr
      block.timestamp
  );
}
function _approve(address owner,address spender, uint256 amount) internal{
  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);
}
//Fees related functions
function addToExcluded(address toExclude) public onlyOwner{
  _excludedFromFees[toExclude] = true;
}
function removeFromExcluded(address toRemove) public onlyOwner{
  _excludedFromFees[toRemove] = false;
}
function excludePresaleAddresses(address router, address presale) external onlyOwner {
   _liquidityHolders[address(router)] = true;
  _liquidityHolders[presale] = true;
  presaleAddresses[address(router)] = true;
  presaleAddresses[presale] = true;
}
function endPresaleStatus() public onlyOwner{
  buymktFee = 4;
  buyliqFee = 2;
  sellmktFee = 4;
  sellliqFee = 2;
  setSwapAndLiquify(true);
}
function updateThreshold(uint newThreshold) public onlyOwner{
  currentThreshold = newThreshold;
}
function setSwapAndLiquify(bool _enabled) public onlyOwner{
      swapAndLiquifyEnabled = _enabled;
}
//Marketing related
function setMktAddress(address newAddress) external onlyOwner{
  marketingAddress = payable(newAddress);
}
function transferAssetsETH(address payable to, uint256 amount) internal{
      to.transfer(amount);
}
function setAutomatedMarketMakerPair(address pair, bool value) public onlyOwner {
  require(pair != uniswapV2Pair, "The pair cannot be removed from automatedMarketMakerPairs");
  _setAutomatedMarketMakerPair(pair, value);
}
function _setAutomatedMarketMakerPair(address pair, bool value) private {
  automatedMarketMakerPairs[pair] = value;
  emit SetAutomatedMarketMakerPair(pair, value);
}
function updatecurrentbuyliqFee(uint256 newAmount) public onlyOwner{
      buyliqFee = newAmount;
}
function updatecurrentbuymktfee(uint256 newAmount) public onlyOwner{
       buymktFee= newAmount;
}
function updatecurrentsellLiqFee(uint256 newAmount) public onlyOwner{
       sellliqFee= newAmount;
}
function updatecurrentsellmktfee(uint256 newAmount)public onlyOwner{
       sellmktFee= newAmount;
}
function currentMaxWallet() public view returns(uint256){
  return maxWalletAmount;
}
function currentMaxTx() public view returns(uint256){
  return maxTxAmount;
}
function updateSwapTreshold(uint256 newVal) public onlyOwner{
  swapTreshold = newVal;
  requiredTokensToSwap = _totalSupply*swapTreshold/1000;
}
function currentTradeStatus() public view returns (bool){
  return tradeEnabled;
}
function currentSwapTreshold() public view returns(uint256){
  return swapTreshold;
}
function currentTokensToSwap() public view returns(uint256){
  return requiredTokensToSwap;
}
}
interface IUniswapV2Factory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
function getPair(address tokenA, address tokenB) external view returns (address pair);
function allPairs(uint) external view returns (address pair);
function allPairsLength() external view returns (uint);
function createPair(address tokenA, address tokenB) external returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
interface IUniswapV2Pair {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint value) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint);
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
  address indexed sender,
  uint amount0In,
  uint amount1In,
  uint amount0Out,
  uint amount1Out,
  address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
function price0CumulativeLast() external view returns (uint);
function price1CumulativeLast() external view returns (uint);
function kLast() external view returns (uint);
function mint(address to) external returns (uint liquidity);
function burn(address to) external returns (uint amount0, uint amount1);
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
function skim(address to) external;
function sync() external;
function initialize(address, address) external;
}
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
  address tokenA,
  address tokenB,
  uint amountADesired,
  uint amountBDesired,
  uint amountAMin,
  uint amountBMin,
  address to,
  uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
  address token,
  uint amountTokenDesired,
  uint amountTokenMin,
  uint amountETHMin,
  address to,
  uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function removeLiquidity(
  address tokenA,
  address tokenB,
  uint liquidity,
  uint amountAMin,
  uint amountBMin,
  address to,
  uint deadline
) external returns (uint amountA, uint amountB);
function removeLiquidityETH(
  address token,
  uint liquidity,
  uint amountTokenMin,
  uint amountETHMin,
  address to,
  uint deadline
) external returns (uint amountToken, uint amountETH);
function removeLiquidityWithPermit(
  address tokenA,
  address tokenB,
  uint liquidity,
  uint amountAMin,
  uint amountBMin,
  address to,
  uint deadline,
  bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountA, uint amountB);
function removeLiquidityETHWithPermit(
  address token,
  uint liquidity,
  uint amountTokenMin,
  uint amountETHMin,
  address to,
  uint deadline,
  bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountToken, uint amountETH);
function swapExactTokensForTokens(
  uint amountIn,
  uint amountOutMin,
  address[] calldata path,
  address to,
  uint deadline
) external returns (uint[] memory amounts);
function swapTokensForExactTokens(
  uint amountOut,
  uint amountInMax,
  address[] calldata path,
  address to,
  uint deadline
) external returns (uint[] memory amounts);
function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
  external
  payable
  returns (uint[] memory amounts);
function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
  external
  returns (uint[] memory amounts);
function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
  external
  returns (uint[] memory amounts);
function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
  external
  payable
  returns (uint[] memory amounts);
function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}
interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
  address token,
  uint liquidity,
  uint amountTokenMin,
  uint amountETHMin,
  address to,
  uint deadline
) external returns (uint amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
  address token,
  uint liquidity,
  uint amountTokenMin,
  uint amountETHMin,
  address to,
  uint deadline,
  bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountETH);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
  uint amountIn,
  uint amountOutMin,
  address[] calldata path,
  address to,
  uint deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
  uint amountOutMin,
  address[] calldata path,
  address to,
  uint deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
  uint amountIn,
  uint amountOutMin,
  address[] calldata path,
  address to,
  uint deadline
) external;
}