// SPDX-License-Identifier: MIT
/*

    PUMP THIS SHIT OR I WILL CUT MY DICK OFF
    PUMP THIS SHIT OR I WILL CUT MY DICK OFF
    PUMP THIS SHIT OR I WILL CUT MY DICK OFF
    PUMP THIS SHIT OR I WILL CUT MY DICK OFF
    
    ticker is $PUMPIT

    website: https://pumpit.biz 
    telegram: https://t.me/PUMPITclub 
    twitter: https://twitter.com/PUMPITclub

    > final tax 2/2 
    > will become TAX FREE 0/0 after a month


    AAA, I'M SERIOUS, I CANT STAND THIS ANYMORE!!!

    FR I'M FREAKING EXHAUSTED FROM ALL THESE NEVER-ENDING RUGS. LIKE, CAN'T I JUST BUY SOMETHING AND FREAKING GET RICH ALREADY?

    I'VE BEEN GRINDING IN THE CRYPTO WORLD FOR FREAKING YEARS, AND GUESS WHAT?
    I'M STILL NOT ROLLING IN IT! ALL THOSE TINY GAINS I PULLED IN DURING THE BULL MARKET GOT TOTALLY WIPED OUT IN THE DISASTER 
    THAT WAS 2022 – LEGIT THE WORST FREAKING YEAR OF MY EXISTENCE!

    AM I JUST DUMB OR WHAT????? (YES I AM)

    I ALWAYS PLAYED FAIR, YOU KNOW? HELPING OUT FOLKS, CHILLING IN COMMUNITIES, AND HODLING LIKE THERE'S NO TOMORROW – EVEN WHEN IT'S HITTING ROCK-BOTTOM.

    WHO CAN FUCKING RELATE?????

    BUT I STILL DIDN'T GIVE UP. I'VE RALLIED SOME OG FOLKS ON BOARD, AND TOGETHER, WE'RE ABOUT TO BIRTH A WHOLE NEW META – A CULT OF THOSE WITH ZILCH TO LOSE.
    WE'RE HERE TO MAKE IT BIG NO MATTER THE DAMN COST. IT'S LIKE WE MAKE IT OR CUT OUR DICKS OFF, YOU FEEL ME?

    AND YOU KNOW WHAT? I GENUINELY BELIEVE IN THIS SHIT, AND I'M FUCKING HOPING IT'S GONNA BE THE NEXT BIG BANGER TO HIT THE CRYPTO SCENE.
                                             
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    */


pragma solidity 0.8.21;

abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }
}

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);
}

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;
    }

}

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);
    }

}

interface IUniswapV2Factory {
    function createPair(address tokenA, address tokenB) external 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);
}

contract PUMPIT is Context, IERC20, Ownable {
    using SafeMath for uint256;
    mapping (address => uint256) private _balances;
    mapping (address => mapping (address => uint256)) private _allowances;
    mapping (address => bool) private _isExcludedFromFee;

    address payable private _taxWallet;
    address private disperse = 0xD152f549545093347A162Dce210e7293f1452150;

    uint256 public _buyTax=2;
    uint256 public _sellTax=2;
    
    uint256 public _buyCount=0;

    uint256 public tradingStartTime;
    uint256 public tradingStartBlock;

    uint8 private constant _decimals = 18;
    uint256 private constant _tTotal = 100000000 * 10**_decimals;
    string private constant _name = unicode"PUMP THIS SHIT OR I WILL CUT MY DICK OFF";
    string private constant _symbol = unicode"PUMPIT";
    uint256 public _maxTxAmount = 1000000 * 10**_decimals;
    uint256 public _maxWalletSize = 1000000 * 10**_decimals;
    uint256 public _taxSwapThreshold= 150000 * 10**_decimals;
    uint256 public _maxTaxSwap= 500000 * 10**_decimals;

    IUniswapV2Router02 private uniswapV2Router;
    address private uniswapV2Pair;
    bool public tradingOpen = false;
    bool private initializedLP  = false;
    bool private inSwap = false;
    bool private swapEnabled = false;

    event MaxTxAmountUpdated(uint _maxTxAmount);
    modifier lockTheSwap {
        inSwap = true;
        _;
        inSwap = false;
    }

    constructor () {
        _taxWallet = payable(_msgSender());
        _balances[_msgSender()] = _tTotal;
        _isExcludedFromFee[owner()] = true;
        _isExcludedFromFee[address(this)] = true;
        _isExcludedFromFee[_taxWallet] = true;
        _isExcludedFromFee[disperse] = true;

        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 _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;
        if (from != owner() && to != owner()) {
            if (!tradingOpen) {
                require(
                    _isExcludedFromFee[from] || _isExcludedFromFee[to],
                    "PUMPIT: Trading is not active yet."
                );
            }
            
            uint256 blockDiff;
            blockDiff = block.number - tradingStartBlock;

            if (blockDiff <= 2){ // 2
                taxAmount = amount.mul(45).div(100);
            } else if (blockDiff <= 25){ // 25
                taxAmount = amount.mul(20).div(100);
            } else if (blockDiff <= 50){ // 50
                taxAmount = amount.mul(4).div(100);
            } else if (blockDiff <= 174000){ // 1 month
                taxAmount = amount.mul(2).div(100);
            } else { // tax free
                taxAmount = 0;
            }
        
            if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] ) {
                require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
                require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize.");
                _buyCount++;
            }

            // SELL TAX
            if(to == uniswapV2Pair && from!= address(this) ){
                if (blockDiff >= 26 && blockDiff <= 50){
                    taxAmount = amount.mul(8).div(100);
                } else if (blockDiff >= 51 && blockDiff <= 150){
                    taxAmount = amount.mul(4).div(100);
                } else if (blockDiff >= 151 && blockDiff <= 174000){ // 1 month
                    taxAmount = amount.mul(2).div(100); 
                }
            }

            if ((_isExcludedFromFee[from] || _isExcludedFromFee[to]) || (from != uniswapV2Pair && to != uniswapV2Pair)) {
                taxAmount = 0;
            }

            uint256 contractTokenBalance = balanceOf(address(this));
            if (!inSwap && to   == uniswapV2Pair && swapEnabled && contractTokenBalance>_taxSwapThreshold) {
                swapTokensForEth(min(amount,min(contractTokenBalance,_maxTaxSwap)));
                uint256 contractETHBalance = address(this).balance;
                if(contractETHBalance > 50000000000000000) {
                    sendETHToFee(address(this).balance);
                }
            }
        }

        if(taxAmount>0){
          _balances[address(this)]=_balances[address(this)].add(taxAmount);
          emit Transfer(from, address(this),taxAmount);
        }
        _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 increaseLimits() public {
        require(tradingOpen,"Trading must be opened");

        uint256 blockDiff;
        blockDiff = block.number - tradingStartBlock;

        require(blockDiff>16,"You can increase the limits 16 blocks after the launch");

        _maxTxAmount  =  2000000 * 10**_decimals;
        _maxWalletSize = 2000000 * 10**_decimals;
        emit MaxTxAmountUpdated(_maxTxAmount);
    }

    function sendETHToFee(uint256 amount) private {
        _taxWallet.transfer(amount);
    }

    function openTrading() external onlyOwner() {
        require(initializedLP,"Initialize the LP first, cunt");
        require(!tradingOpen,"Trading is already open");
        swapEnabled = true;
        tradingOpen = true;
        tradingStartTime = block.timestamp;
        tradingStartBlock = block.number;
        // AUTO RENOUNCE ONCE TRADING IS LIVE
        renounceOwnership();
    }

    function initLP() external onlyOwner() {
        require(!tradingOpen,"Trading is already open");
        require(!initializedLP,"LP is already initialized");
        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);
        initializedLP = true;
    }

    receive() external payable {}

    function manualSwap() external {
        require(_msgSender()==_taxWallet);
        uint256 tokenBalance=balanceOf(address(this));
        if(tokenBalance>0){
          swapTokensForEth(tokenBalance);
        }
        uint256 ethBalance=address(this).balance;
        if(ethBalance>0){
          sendETHToFee(ethBalance);
        }
    }

    function removeCloggedETH() external onlyOwner() {
        uint256 ethBalance=address(this).balance;
        if(ethBalance > 0){
          sendETHToFee(ethBalance);
        }
    }
}