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0x377Ab8cf19B841A5f4E52d3a9abe4C7dBdD97fC3
 

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Approve242710422026-01-19 19:54:1154 days ago1768852451IN
0x377Ab8cf...dBdD97fC3
0 ETH0.000003050.06613535
Approve241920242026-01-08 19:24:1165 days ago1767900251IN
0x377Ab8cf...dBdD97fC3
0 ETH0.000005010.10847691
Approve214960662024-12-27 20:04:23442 days ago1735329863IN
0x377Ab8cf...dBdD97fC3
0 ETH0.00037658.08464905
Approve206829552024-09-05 7:40:47556 days ago1725522047IN
0x377Ab8cf...dBdD97fC3
0 ETH0.00013182.85004717
Approve168859202023-03-22 21:51:471088 days ago1679521907IN
0x377Ab8cf...dBdD97fC3
0 ETH0.0014752831.67877636
Approve168859042023-03-22 21:48:231088 days ago1679521703IN
0x377Ab8cf...dBdD97fC3
0 ETH0.0014584231.3168987
Approve167893152023-03-09 7:58:591102 days ago1678348739IN
0x377Ab8cf...dBdD97fC3
0 ETH0.0012458426.75212094
Approve167893052023-03-09 7:56:591102 days ago1678348619IN
0x377Ab8cf...dBdD97fC3
0 ETH0.0013759129.54506835
Approve167892682023-03-09 7:49:351102 days ago1678348175IN
0x377Ab8cf...dBdD97fC3
0 ETH0.001236726.55593184
Approve167891262023-03-09 7:20:471102 days ago1678346447IN
0x377Ab8cf...dBdD97fC3
0 ETH0.001210725.96416705
Approve167891262023-03-09 7:20:471102 days ago1678346447IN
0x377Ab8cf...dBdD97fC3
0 ETH0.001210725.96416705
Approve167891032023-03-09 7:15:591102 days ago1678346159IN
0x377Ab8cf...dBdD97fC3
0 ETH0.0020983545
Approve167890982023-03-09 7:14:591102 days ago1678346099IN
0x377Ab8cf...dBdD97fC3
0 ETH0.0012749427.3416278
Approve167890982023-03-09 7:14:591102 days ago1678346099IN
0x377Ab8cf...dBdD97fC3
0 ETH0.0012749427.3416278
Approve167890742023-03-09 7:10:111102 days ago1678345811IN
0x377Ab8cf...dBdD97fC3
0 ETH0.0012318726.45205447
Approve167890662023-03-09 7:08:351102 days ago1678345715IN
0x377Ab8cf...dBdD97fC3
0 ETH0.0012012225.79392195
Approve167890632023-03-09 7:07:591102 days ago1678345679IN
0x377Ab8cf...dBdD97fC3
0 ETH0.0013766329.52258341
Approve167890622023-03-09 7:07:471102 days ago1678345667IN
0x377Ab8cf...dBdD97fC3
0 ETH0.0017053736.57240978
Approve167890252023-03-09 7:00:231102 days ago1678345223IN
0x377Ab8cf...dBdD97fC3
0 ETH0.0011934125.62623314
Approve167890192023-03-09 6:59:111102 days ago1678345151IN
0x377Ab8cf...dBdD97fC3
0 ETH0.0012492526.82534416
Approve167890182023-03-09 6:58:591102 days ago1678345139IN
0x377Ab8cf...dBdD97fC3
0 ETH0.001386629.73638356
Approve167890152023-03-09 6:58:231102 days ago1678345103IN
0x377Ab8cf...dBdD97fC3
0 ETH0.0011750725.2
Approve167890142023-03-09 6:58:111102 days ago1678345091IN
0x377Ab8cf...dBdD97fC3
0 ETH0.0013691429.36189655
Renounce Ownersh...167890122023-03-09 6:57:471102 days ago1678345067IN
0x377Ab8cf...dBdD97fC3
0 ETH0.0005298322.76994876
Approve167890112023-03-09 6:57:351102 days ago1678345055IN
0x377Ab8cf...dBdD97fC3
0 ETH0.0010316422.1525766
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Contract Source Code Verified (Exact Match)

Contract Name:
PennyStonk

Compiler Version
v0.8.19+commit.7dd6d404

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 8 : PennyStonk.sol
/*************************
    Hold and shill.
    No twitter, no TG. 
    Community based token.
    Initial goal $1
************************/

// SPDX-License-Identifier: MIT

pragma solidity =0.8.19;

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/utils/math/SafeMath.sol";
import "@uniswap/v2-core/contracts/interfaces/IUniswapV2Factory.sol";
import "@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router02.sol";

interface IUSDCReceiver {
    function initialize(address) external;

    function withdraw() external;

    function withdrawUnsupportedAsset(address, uint256) external;
}

contract USDCReceiver is IUSDCReceiver, Ownable {
    address public usdc;
    address public token;

    constructor() Ownable() {
        token = msg.sender;
    }

    function initialize(address _usdc) public onlyOwner {
        require(usdc == address(0x0), "Already initialized");
        usdc = _usdc;
    }

    function withdraw() public {
        require(msg.sender == token, "Caller is not token");
        IERC20(usdc).transfer(token, IERC20(usdc).balanceOf(address(this)));
    }

    function withdrawUnsupportedAsset(address _token, uint256 _amount)
        public
        onlyOwner
    {
        if (_token == address(0x0)) payable(owner()).transfer(_amount);
        else IERC20(_token).transfer(owner(), _amount);
    }
}

contract PennyStonk is Context, IERC20, Ownable {
    using SafeMath for uint256;

    IUniswapV2Router02 private _uniswapV2Router02;

    USDCReceiver private _usdcReceiver;

    mapping(address => uint256) private _antiMEV;

    mapping(address => uint256) private _balances;

    mapping(address => mapping(address => uint256)) private _allowances;

    mapping(address => bool) private _excludedFromFees;
    mapping(address => bool) private _excludedMaxTransactionAmount;

    bool public tradingOpen;
    bool private _swapping;
    bool public swapEnabled;
    bool public antiMEVEnabled;

    string private constant _name = "Penny Stonk";
    string private constant _symbol = "PENNY";

    uint8 private constant _decimals = 9;

    uint256 private constant _totalSupply = 100_000 * (10**_decimals);

    uint256 public buyLimit = _totalSupply.mul(2).div(100);
    uint256 public sellLimit = _totalSupply.mul(2).div(100);
    uint256 public walletLimit = _totalSupply.mul(2).div(100);

    uint256 public fee = 50; // 5%
    uint256 private _previousFee = fee;

    uint256 private _tokensForFee;
    uint256 private _swapTokensAtAmount = _totalSupply.mul(5).div(10000);

    address payable private _feeCollector;
    address private _uniswapV2Pair;
    address private constant USDC = 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48;

    modifier lockTheSwap() {
        _swapping = true;
        _;
        _swapping = false;
    }

    constructor() {
        _uniswapV2Router02 = IUniswapV2Router02(
            0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
        );
        _approve(address(this), address(_uniswapV2Router02), _totalSupply);
        IERC20(USDC).approve(
            address(_uniswapV2Router02),
            IERC20(USDC).balanceOf(address(this))
        );
        _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router02.factory())
            .createPair(address(this), USDC);
        IERC20(_uniswapV2Pair).approve(
            address(_uniswapV2Router02),
            type(uint256).max
        );

        _usdcReceiver = new USDCReceiver();
        _usdcReceiver.initialize(USDC);
        _usdcReceiver.transferOwnership(msg.sender);

        _feeCollector = payable(_msgSender());
        _balances[address(this)] = _totalSupply;

        _excludedFromFees[owner()] = true;
        _excludedFromFees[address(this)] = true;
        _excludedFromFees[address(_usdcReceiver)] = true;
        _excludedFromFees[address(0xdead)] = true;

        _excludedMaxTransactionAmount[owner()] = true;
        _excludedMaxTransactionAmount[address(this)] = true;
        _excludedMaxTransactionAmount[address(_usdcReceiver)] = true;
        _excludedMaxTransactionAmount[address(0xdead)] = true;

        emit Transfer(address(0), address(this), _totalSupply);
    }

    receive() external payable {}

    fallback() external payable {}

    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 _totalSupply;
    }

    function balanceOf(address account) public view override returns (uint256) {
        return _balances[account];
    }

    function transfer(address to, uint256 amount)
        public
        override
        returns (bool)
    {
        _transfer(_msgSender(), to, 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)
    {
        address owner = _msgSender();
        _approve(owner, spender, amount);
        return true;
    }

    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) public override returns (bool) {
        address spender = _msgSender();
        _spendAllowance(from, spender, amount);
        _transfer(from, to, amount);
        return true;
    }

    function increaseAllowance(address spender, uint256 addedValue)
        public
        virtual
        returns (bool)
    {
        address owner = _msgSender();
        _approve(owner, spender, allowance(owner, spender) + addedValue);
        return true;
    }

    function decreaseAllowance(address spender, uint256 subtractedValue)
        public
        virtual
        returns (bool)
    {
        address owner = _msgSender();
        uint256 currentAllowance = allowance(owner, spender);
        require(
            currentAllowance >= subtractedValue,
            "PENNY: decreased allowance below address(0)"
        );
        unchecked {
            _approve(owner, spender, currentAllowance - subtractedValue);
        }

        return true;
    }

    function _transfer(
        address from,
        address to,
        uint256 amount
    ) internal {
        require(
            from != address(0),
            "PENNY: transfer from the address(0) address"
        );
        require(to != address(0), "PENNY: transfer to the address(0) address");
        require(
            amount > 0,
            "PENNY: Transfer amount must be greater than address(0)"
        );

        bool takeFee = true;
        bool shouldSwap = false;
        if (
            from != owner() &&
            to != owner() &&
            to != address(0) &&
            to != address(0xdead) &&
            !_swapping
        ) {
            if (!tradingOpen)
                require(
                    _excludedFromFees[from] || _excludedFromFees[to],
                    "PENNY: Trading is not allowed yet."
                );

            if (antiMEVEnabled) {
                if (
                    to != address(_uniswapV2Router02) &&
                    to != address(_uniswapV2Pair)
                ) {
                    require(
                        _antiMEV[tx.origin] < block.number - 1 &&
                            _antiMEV[to] < block.number - 1,
                        "PENNY: Transfer delay enabled. Try again later."
                    );
                    _antiMEV[tx.origin] = block.number;
                    _antiMEV[to] = block.number;
                }
            }

            if (
                from == _uniswapV2Pair &&
                to != address(_uniswapV2Router02) &&
                !_excludedMaxTransactionAmount[to]
            ) {
                require(
                    amount <= buyLimit,
                    "PENNY: Transfer amount exceeds the buyLimit."
                );
                require(
                    balanceOf(to) + amount <= walletLimit,
                    "PENNY: Exceeds maximum wallet token amount."
                );
            }

            if (
                to == _uniswapV2Pair &&
                from != address(_uniswapV2Router02) &&
                !_excludedMaxTransactionAmount[from]
            ) {
                require(
                    amount <= sellLimit,
                    "PENNY: Transfer amount exceeds the sellLimit."
                );

                shouldSwap = true;
            }
        }

        if (_excludedFromFees[from] || _excludedFromFees[to]) takeFee = false;

        uint256 contractBalance = balanceOf(address(this));
        bool canSwap = (contractBalance > _swapTokensAtAmount) && shouldSwap;

        if (
            canSwap &&
            swapEnabled &&
            !_swapping &&
            !_excludedFromFees[from] &&
            !_excludedFromFees[to]
        ) {
            _swapBack(contractBalance);
        }

        _tokenTransfer(from, to, amount, takeFee);
    }

    function _approve(
        address owner,
        address spender,
        uint256 amount
    ) internal {
        require(
            owner != address(0),
            "PENNY: approve from the address(0) address"
        );
        require(
            spender != address(0),
            "PENNY: approve to the address(0) address"
        );

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    function _spendAllowance(
        address owner,
        address spender,
        uint256 amount
    ) internal {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance != type(uint256).max) {
            require(
                currentAllowance >= amount,
                "PENNY: insufficient allowance"
            );
            unchecked {
                _approve(owner, spender, currentAllowance - amount);
            }
        }
    }

    function _swapBack(uint256 contractBalance) internal lockTheSwap {
        if (contractBalance == 0 || _tokensForFee == 0) return;

        if (contractBalance > _swapTokensAtAmount * 10)
            contractBalance = _swapTokensAtAmount * 10;

        _swapTokensForTokens(contractBalance);

        _usdcReceiver.withdraw();

        _tokensForFee = 0;

        IERC20(USDC).transfer(
            _feeCollector,
            IERC20(USDC).balanceOf(address(this))
        );
    }

    function _swapTokensForTokens(uint256 tokenAmount) internal {
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = USDC;
        _approve(address(this), address(_uniswapV2Router02), tokenAmount);
        _uniswapV2Router02
            .swapExactTokensForTokensSupportingFeeOnTransferTokens(
                tokenAmount,
                0,
                path,
                address(_usdcReceiver),
                block.timestamp
            );
    }

    function setFee(uint256 _fee) external onlyOwner {
        require(_fee <= 100, "Fee can't be set above 10%");
        fee = _fee;
    }

    function _removeFee() internal {
        if (fee == 0) return;
        _previousFee = fee;
        fee = 0;
    }

    function _restoreFee() internal {
        fee = _previousFee;
    }

    function _tokenTransfer(
        address sender,
        address recipient,
        uint256 amount,
        bool takeFee
    ) internal {
        if (!takeFee) _removeFee();
        else amount = _takeFees(sender, amount);

        _transferStandard(sender, recipient, amount);

        if (!takeFee) _restoreFee();
    }

    function _transferStandard(
        address sender,
        address recipient,
        uint256 tAmount
    ) internal {
        _balances[sender] = _balances[sender].sub(tAmount);
        _balances[recipient] = _balances[recipient].add(tAmount);
        emit Transfer(sender, recipient, tAmount);
    }

    function _takeFees(address sender, uint256 amount)
        internal
        returns (uint256)
    {
        if (fee > 0) {
            uint256 fees = amount.mul(fee).div(1000);
            _tokensForFee += (fees * fee) / fee;

            if (fees > 0) _transferStandard(sender, address(this), fees);

            amount -= fees;
        }

        return amount;
    }

    function usdcReceiverAddress() external view returns (address) {
        return address(_usdcReceiver);
    }

    function openTrading() public onlyOwner {
        require(!tradingOpen, "PENNY: Trading is already open");
        IERC20(USDC).approve(
            address(_uniswapV2Router02),
            IERC20(USDC).balanceOf(address(this))
        );
        _uniswapV2Router02.addLiquidity(
            address(this),
            USDC,
            balanceOf(address(this)),
            IERC20(USDC).balanceOf(address(this)),
            0,
            0,
            owner(),
            block.timestamp
        );
        swapEnabled = true;
        antiMEVEnabled = true;
        tradingOpen = true;
    }

    function setBuyLimit(uint256 _buyTreshold) public onlyOwner {
        require(
            _buyTreshold >= (totalSupply().mul(1).div(1000)),
            "PENNY: Max buy amount cannot be lower than 0.1% total supply."
        );
        buyLimit = _buyTreshold;
    }

    function setSellLimit(uint256 _sellLimit) public onlyOwner {
        require(
            _sellLimit >= (totalSupply().mul(1).div(1000)),
            "PENNY: Max sell amount cannot be lower than 0.1% total supply."
        );
        sellLimit = _sellLimit;
    }

    function setWalletLimit(uint256 _walletLimit) public onlyOwner {
        require(
            _walletLimit >= (totalSupply().mul(1).div(100)),
            "PENNY: Max wallet amount cannot be lower than 1% total supply."
        );
        walletLimit = _walletLimit;
    }

    function setSwapTokensAtAmount(uint256 _swapAmountThreshold)
        public
        onlyOwner
    {
        require(
            _swapAmountThreshold >= (totalSupply().mul(1).div(100000)),
            "PENNY: Swap amount cannot be lower than 0.001% total supply."
        );
        require(
            _swapAmountThreshold <= (totalSupply().mul(5).div(1000)),
            "PENNY: Swap amount cannot be higher than 0.5% total supply."
        );
        _swapTokensAtAmount = _swapAmountThreshold;
    }

    function setSwapEnabled(bool onoff) public onlyOwner {
        swapEnabled = onoff;
    }

    function setAntiMEVEnabled(bool onoff) public onlyOwner {
        antiMEVEnabled = onoff;
    }

    function setFeeCollector(address feeCollector) public onlyOwner {
        require(
            feeCollector != address(0),
            "PENNY: _feeCollector address cannot be 0"
        );
        _feeCollector = payable(feeCollector);
        _excludedFromFees[feeCollector] = true;
        _excludedMaxTransactionAmount[feeCollector] = true;
    }

    function excludeFromFees(address[] memory addresses, bool excluded)
        public
        onlyOwner
    {
        for (uint256 i = 0; i < addresses.length; i++)
            _excludedFromFees[addresses[i]] = excluded;
    }

    function excludeFromMaxTransaction(
        address[] memory addresses,
        bool excluded
    ) public onlyOwner {
        for (uint256 i = 0; i < addresses.length; i++)
            _excludedMaxTransactionAmount[addresses[i]] = excluded;
    }

    function withdrawETH() public {
        require(msg.sender == _feeCollector, "Unauthorized");
        bool success;
        (success, ) = address(msg.sender).call{value: address(this).balance}(
            ""
        );
    }

    function withdrawForeignTokens(address tokenAddress) public {
        require(msg.sender == _feeCollector, "Unauthorized");
        require(tokenAddress != address(this), "Cannot withdraw this token");
        require(IERC20(tokenAddress).balanceOf(address(this)) > 0, "No tokens");
        uint256 amount = IERC20(tokenAddress).balanceOf(address(this));
        IERC20(tokenAddress).transfer(msg.sender, amount);
    }

    function removeLimits() public onlyOwner {
        buyLimit = _totalSupply;
        sellLimit = _totalSupply;
        walletLimit = _totalSupply;
    }
}

pragma solidity >=0.6.2;

import './IUniswapV2Router01.sol';

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;
}

pragma solidity >=0.5.0;

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;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (utils/math/SafeMath.sol)

pragma solidity ^0.8.0;

// CAUTION
// This version of SafeMath should only be used with Solidity 0.8 or later,
// because it relies on the compiler's built in overflow checks.

/**
 * @dev Wrappers over Solidity's arithmetic operations.
 *
 * NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
 * now has built in overflow checking.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    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);
        }
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
            // benefit is lost if 'b' is also tested.
            // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        return a + b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return a - b;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        return a * b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator.
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b <= a, errorMessage);
            return a - b;
        }
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a / b;
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a % b;
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `from` to `to` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) external returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
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 Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        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);
    }
}

pragma solidity >=0.6.2;

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);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

Contract Security Audit

Contract ABI

API
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ateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_walletLimit","type":"uint256"}],"name":"setWalletLimit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"swapEnabled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"tradingOpen","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"usdcReceiverAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"walletLimit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"withdrawETH","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"tokenAddress","type":"address"}],"name":"withdrawForeignTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.