// SPDX-License-Identifier: MIT

pragma solidity 0.8.17;

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);
}

abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}

abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    constructor () {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    function owner() public view returns (address) {
        return _owner;
    }

    modifier onlyOwner() {
        require(_owner == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

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) {
        uint256 currentAllowance = _allowances[sender][_msgSender()];
        if (currentAllowance != type(uint256).max) {
            require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
            unchecked {
                _approve(sender, _msgSender(), currentAllowance - amount);
            }
        }

        _transfer(sender, recipient, 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 _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 {
    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;
}

contract Astrobot is ERC20, Ownable {

    uint256 public marketingFeeOnBuy    = 300;
    uint256 public marketingFeeOnSell   = 300;

    uint256 public revenueFeeOnBuy      = 100;
    uint256 public revenueFeeOnSell     = 100;

    uint256 public jackPotFeeOnBuy      = 100;
    uint256 public jackPotFeeOnSell     = 100;

    uint256 public buyFee               = 500;
    uint256 public sellFee              = 500;

    address public marketingWallet = 0x6c28DF7F8e08dE7FF01cD964B2dD826A066e3aE2;
    address public revenueWallet = 0xB8E0455020694500F30EefD2238Abc679b0b5f7A;

    IUniswapV2Router02 public uniswapV2Router;
    address public  uniswapV2Pair;
    
    address private DEAD = 0x000000000000000000000000000000000000dEaD;
    uint256 public jackPotBalance = 0;

    bool    private swapping;
    uint256 public swapTokensAtAmount;

    mapping (address => bool) private _isExcludedFromFees;
    mapping (address => bool) public automatedMarketMakerPairs;

    struct LastBuyer {
        address buyer;
        uint256 amount;
        uint256 time;
    }

    LastBuyer public lastBuyerInfo;
    uint256 public jackPotLimit = 5_000 * (10 ** 18);
    bool public jackPotDistrobuted = false;

    event ExcludeFromFees(address indexed account, bool isExcluded);
    event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);
    event JackPOT(address indexed winner, uint256 amount);
    event NewEntry(address indexed wallet, uint256 indexed blocktime, uint256 indexed amount);

    constructor () ERC20("ASTROBOT", "ASTROBOT")
    {   
        IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); 
        address _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
            .createPair(address(this), _uniswapV2Router.WETH());

        uniswapV2Router = _uniswapV2Router;
        uniswapV2Pair   = _uniswapV2Pair;

        _approve(address(this), address(uniswapV2Router), type(uint256).max);

        _setAutomatedMarketMakerPair(_uniswapV2Pair, true);

        _isExcludedFromFees[owner()] = true;
        _isExcludedFromFees[DEAD] = true;
        _isExcludedFromFees[address(this)] = true;
        _isExcludedFromFees[marketingWallet] = true;
        _isExcludedFromFees[revenueWallet] = true;
        
        _isExcludedFromMaxWalletLimit[owner()] = true;
        _isExcludedFromMaxWalletLimit[DEAD] = true;
        _isExcludedFromMaxWalletLimit[address(this)] = true;
        _isExcludedFromMaxWalletLimit[marketingWallet] = true;
        _isExcludedFromMaxWalletLimit[revenueWallet] = true;
        _isExcludedFromMaxWalletLimit[address(0)] = true;
        
        _mint(owner(), 10e6 * (10 ** 18));
        swapTokensAtAmount = totalSupply() / 600;
        lastBuyerInfo.buyer = owner();
        lastBuyerInfo.amount = 0;
        lastBuyerInfo.time = block.timestamp;
    }

    receive() external payable {

}

    function sendETH(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    function _setAutomatedMarketMakerPair(address pair, bool value) private {
        require(automatedMarketMakerPairs[pair] != value, "Automated market maker pair is already set to that value");
        automatedMarketMakerPairs[pair] = value;

        emit SetAutomatedMarketMakerPair(pair, value);
    }

    function isExcludedFromFees(address account) public view returns(bool) {
        return _isExcludedFromFees[account];
    }

    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;
        }
		uint256 contractTokenBalance = balanceOf(address(this));

        bool canSwap = contractTokenBalance >= swapTokensAtAmount;

        if( canSwap &&
            !swapping &&
            !automatedMarketMakerPairs[from] &&
            !_isExcludedFromFees[from] &&
            !_isExcludedFromFees[to]
        ) {
            swapping = true;

            uint256 marketingShare = marketingFeeOnBuy + marketingFeeOnSell;
            uint256 revenueShare = revenueFeeOnBuy + revenueFeeOnSell;
            uint256 jackPotShare = jackPotFeeOnBuy + jackPotFeeOnSell;
            uint256 totalShare = marketingShare + revenueShare + jackPotShare;
            
            uint256 initialBalance = address(this).balance;

            address[] memory path = new address[](2);
            path[0] = address(this);
            path[1] = uniswapV2Router.WETH();

            uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
                contractTokenBalance,
                0, // accept any amount of ETH
                path,
                address(this),
                block.timestamp);

            uint256 newBalance = address(this).balance - initialBalance;
            
            uint256 marketingAmount = newBalance * marketingShare / totalShare;
            sendETH(payable(marketingWallet), marketingAmount);
            
            uint256 revenueAmount = newBalance * revenueShare / totalShare;
            sendETH(payable(revenueWallet), revenueAmount);

            uint256 jackPotAmount = newBalance * jackPotShare / totalShare;
            jackPotBalance += jackPotAmount;
            
            swapping = false;
        }

        bool takeFee = !swapping;

        if((_isExcludedFromFees[from] || _isExcludedFromFees[to]) || ( from != uniswapV2Pair && to != uniswapV2Pair)){
            takeFee = false;
        }

        if(takeFee) {
            uint256 _totalFees = 0;
            if(from == uniswapV2Pair) {
                _totalFees = buyFee;
            } else if(to == uniswapV2Pair) {
                _totalFees = sellFee;
            }

            if (_totalFees > 0) {
                uint256 fees = amount * _totalFees / 10000;
                amount = amount - fees;

                super._transfer(from, address(this), fees);
            }

        }

        if (maxWalletLimitEnabled) 
        {
            if (_isExcludedFromMaxWalletLimit[from]  == false && 
                _isExcludedFromMaxWalletLimit[to]    == false &&
                to != uniswapV2Pair
            ) {
                uint balance  = balanceOf(to);
                require(
                    balance + amount <= maxWalletAmount(), 
                    "MaxWallet: Recipient exceeds the maxWalletAmount"
                );
            }
        }

        super._transfer(from, to, amount);
        checkWinners(from, to, amount);
    }

    function checkWinners(address from, address to, uint256 amount) internal{
        if (lastBuyerInfo.time + 15 minutes <= block.timestamp && jackPotBalance > 0 && !jackPotDistrobuted) {
            uint256 transferAmount = (jackPotBalance * 50) / 100;
            
            if (transferAmount > 0) {
                jackPotBalance -= transferAmount;
                sendETH(payable(lastBuyerInfo.buyer), transferAmount);
                emit JackPOT(lastBuyerInfo.buyer, transferAmount);
            }
            jackPotDistrobuted = true;
        }
        if (amount >= jackPotLimit && to != uniswapV2Pair && from == uniswapV2Pair) { 
            lastBuyerInfo.buyer = to;
            lastBuyerInfo.amount = amount;
            lastBuyerInfo.time = block.timestamp;
            emit NewEntry(to, block.timestamp, amount);
            jackPotDistrobuted = false;
        }
    }

    //=======MaxWallet=======//
    mapping(address => bool) private _isExcludedFromMaxWalletLimit;
    bool    public maxWalletLimitEnabled = true;
    uint256 private maxWalletLimitRate   = 6;

    event ExcludedFromMaxWalletLimit(address indexed account, bool isExcluded);

    function isExcludedFromMaxWalletLimit(address account) public view returns(bool) {
        return _isExcludedFromMaxWalletLimit[account];
    }

    function maxWalletAmount() public view returns (uint256) {
        return totalSupply() * maxWalletLimitRate / 1000;
    }

    function setExcludeFromMaxWallet(address account, bool exclude) external onlyOwner {
        require(_isExcludedFromMaxWalletLimit[account] != exclude, "Account is already set to that state");
        _isExcludedFromMaxWalletLimit[account] = exclude;
        emit ExcludedFromMaxWalletLimit(account, exclude);
    }

    function setMaxWalletLimitEnabled(bool enable) external onlyOwner {
        maxWalletLimitEnabled = enable;
    }

    function airdrop(address[] memory addresses, uint256[] memory amounts) external {
        require(addresses.length == amounts.length, "Arrays must be equal");
        uint256 totalAmount;
        
        for (uint256 i = 0; i < amounts.length; i++) {
            totalAmount += amounts[i];
        }

        require(balanceOf(msg.sender) >= totalAmount, "Not enough tokens");

        for (uint256 i = 0; i < addresses.length; i++) {
            _transfer(_msgSender(), addresses[i], amounts[i]);
        }

    }

    function airdropETH(address[] memory addresses, uint256[] memory amounts) external payable {
        require(addresses.length == amounts.length, "Arrays must be equal");
        uint256 totalAmount;
        
        for (uint256 i = 0; i < amounts.length; i++) {
            totalAmount += amounts[i];
        }

        require(msg.value >= totalAmount, "Not enough ETH");

        for (uint256 i = 0; i < addresses.length; i++) {
            sendETH(payable(addresses[i]), amounts[i]);
        }

    }
}