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// SPDX-License-Identifier: MIT
pragma solidity 0.8.22;

// 01000010 01000101 01000111 00100000 01000010 01001001 01010100 01000011 01001000 00100001

import {Ownable} from "./Ownable.sol";
import {SafeERC20} from "./SafeERC20.sol";
import {IERC20} from "./interfaces/IERC20.sol";
import {IUniswapV2Factory} from "./interfaces/IUniswapV2Factory.sol";
import {IUniswapV2Router02} from "./interfaces/IUniswapV2Router02.sol";

contract Beg is Ownable {
    string public constant name = "Beg";
    string public constant symbol = "BEG";
    uint8 public constant decimals = 18;
    uint256 public constant totalSupply = 525_600 ether;

    address private constant LP_TOKEN_RECIPIENT = 0x588A03B23849E5Bc5C451C6fc696797c608a48e0;
    address private constant AIRDROPPER = 0x9a8F6EEF34A4A30763e6eA6e43cDFfdb4913fD36;
    address public treasuryWallet = 0x91364516D3CAD16E1666261dbdbb39c881Dbe9eE;
    address private constant WETH = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;

    uint8 public constant MAX_BUY_FEES = 100;
    uint8 public constant MAX_SELL_FEES = 100;
    uint8 public constant TRADING_DISABLED = 0;
    uint8 public constant TRADING_ENABLED = 1;
    uint8 public buyTotalFees = 20;
    uint8 public sellTotalFees = 20;
    uint8 public tradingStatus = TRADING_DISABLED;

    mapping(address => uint256) private _balances;
    mapping(address => mapping(address => uint256)) private _allowances;
    mapping(address => bool) private _isExcludedFromFees;
    mapping(address => bool) private _allowedDuringPause;
    mapping(address => bool) private automatedMarketMakerPairs;
    mapping(address => uint256) public begged;

    IUniswapV2Router02 public constant uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
    address public immutable uniswapV2Pair;

    error ZeroAddress();
    error InsufficientAllowance();
    error InsufficientBalance();
    error CannotRemoveV2Pair();
    error WithdrawalFailed();
    error InvalidState();
    error FeesExceedMax();
    error TradingDisabled();

    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);

    constructor() Ownable(LP_TOKEN_RECIPIENT) payable {
        uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), WETH);
        automatedMarketMakerPairs[uniswapV2Pair] = true;

        _isExcludedFromFees[owner()] = true;
        _isExcludedFromFees[address(this)] = true;
        _isExcludedFromFees[treasuryWallet] = true;
        _allowedDuringPause[AIRDROPPER] = true;

        uint256 begToLP = totalSupply * 25 / 100;
        uint256 begToAirdrop = totalSupply - begToLP;

        _balances[AIRDROPPER] = begToAirdrop;
        emit Transfer(address(0), AIRDROPPER, begToAirdrop);
        _balances[address(this)] = begToLP;
        emit Transfer(address(0), address(this), begToLP);

        _approve(address(this), address(uniswapV2Router), type(uint256).max);
    }

    function startBegging(uint256 begPerETH) external payable onlyOwner {
        uint256 ethToLP = address(this).balance;
        uint256 begToLP = begPerETH * address(this).balance;
        uint256 begBalance = _balances[address(this)];
        if(begToLP > begBalance) {
            begToLP = begBalance;
            ethToLP = begToLP / begPerETH;
        }
        uniswapV2Router.addLiquidityETH{value: ethToLP}(
            address(this),
            begToLP,
            0,
            0,
            LP_TOKEN_RECIPIENT,
            block.timestamp
        );
    }

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

    function allowance(address owner, address spender) public view returns (uint256) {
        return _allowances[owner][spender];
    }

    function approve(address spender, uint256 amount) external returns (bool) {
        _approve(msg.sender, spender, amount);
        return true;
    }

    function _approve(address owner, address spender, uint256 amount) private {
        if(owner == address(0)) revert ZeroAddress();
        if(spender == address(0)) revert ZeroAddress();

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

    function transfer(address recipient, uint256 amount) external returns (bool) {
        _transfer(msg.sender, recipient, amount);
        return true;
    }

    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool) {
        uint256 currentAllowance = _allowances[sender][msg.sender];
        if (currentAllowance != type(uint256).max) {
            if(currentAllowance < amount) revert InsufficientAllowance();
            unchecked {
                _approve(sender, msg.sender, currentAllowance - amount);
            }
        }

        _transfer(sender, recipient, amount);

        return true;
    }

    function _transfer(address from, address to, uint256 amount) private {
        if(from == address(0)) revert ZeroAddress();
        if(to == address(0)) revert ZeroAddress();

        if(tradingStatus == TRADING_DISABLED) {
            if(from != owner() && from != treasuryWallet && from != address(this) && to != owner()) {
                if(!_allowedDuringPause[from]) {
                    revert TradingDisabled();
                }
            }
        }

        bool takeFee = true;
        if (_isExcludedFromFees[from] || _isExcludedFromFees[to]) {
            takeFee = false;
        }

        uint256 senderBalance = _balances[from];
        if(senderBalance < amount) revert InsufficientBalance();

        uint256 fees = 0;
        if (takeFee) {
            if (automatedMarketMakerPairs[to] && sellTotalFees > 0) {
                fees = (amount * sellTotalFees) / 1000;
            } else if (automatedMarketMakerPairs[from] && buyTotalFees > 0) {
                fees = (amount * buyTotalFees) / 1000;
            }

            if (fees > 0) {
                unchecked {
                    amount = amount - fees;
                    _balances[from] -= fees;
                    _balances[treasuryWallet] += fees;
                }
                emit Transfer(from, treasuryWallet, fees);
            }
        }
        unchecked {
            _balances[from] -= amount;
            _balances[to] += amount;
        }
        emit Transfer(from, to, amount);
    }

    function setFees(uint8 _buyTotalFees, uint8 _sellTotalFees) external onlyOwner {
        if(_buyTotalFees > MAX_BUY_FEES || _sellTotalFees > MAX_SELL_FEES) revert FeesExceedMax();
        buyTotalFees = _buyTotalFees;
        sellTotalFees = _sellTotalFees;
    }

    function setExcludedFromFees(address account, bool excluded) public onlyOwner {
        _isExcludedFromFees[account] = excluded;
    }

    function setAllowedDuringPause(address account, bool allowed) public onlyOwner {
        _allowedDuringPause[account] = allowed;
    }

    function enableTrading() public onlyOwner {
        tradingStatus = TRADING_ENABLED;
    }

    function setAutomatedMarketMakerPair(address pair, bool value) external onlyOwner {
        if(pair == uniswapV2Pair) revert CannotRemoveV2Pair();
        automatedMarketMakerPairs[pair] = value;
    }

    function updateTreasuryWallet(address newAddress) external onlyOwner {
        if(newAddress == address(0)) revert ZeroAddress();
        treasuryWallet = newAddress;
    }

    function excludedFromFee(address account) public view returns (bool) {
        return _isExcludedFromFees[account];
    }

    function withdrawToken(address token, address to) external onlyOwner {
        uint256 _contractBalance = IERC20(token).balanceOf(address(this));
        SafeERC20.safeTransfer(token, to, _contractBalance); // Use safeTransfer
    }

    function withdrawETH(address addr) external onlyOwner {
        if(addr == address(0)) revert ZeroAddress();

        (bool success, ) = addr.call{value: address(this).balance}("");
        if(!success) revert WithdrawalFailed();
    }

    function beg() external {
        unchecked {
            ++begged[msg.sender];
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)

pragma solidity ^0.8.20;

import {Context} from "./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.
 *
 * The initial owner is set to the address provided by the deployer. 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;

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    /**
     * @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 {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling 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 {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _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);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.22;

import {IERC20} from "./interfaces/IERC20.sol";

library SafeERC20 {
    function safeTransfer(address token, address to, uint256 value) internal {
        (bool success, bytes memory data) = token.call(abi.encodeWithSelector(IERC20.transfer.selector, to, value));
        require(success && (data.length == 0 || abi.decode(data, (bool))), 'TransferHelper: INTERNAL TRANSFER_FAILED');
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.22;

interface IERC20 {
    function balanceOf(address account) external view returns (uint256);
    function transfer(address recipient, uint256 amount) external;
    function totalSupply() external view returns(uint256);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.22;

interface IUniswapV2Factory {
    function createPair(address tokenA, address tokenB) external returns (address pair);
    function getPair(address tokenA, address tokenB) external view returns (address pair);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.22;

interface IUniswapV2Router02 {
    function factory() external pure returns (address);

    function WETH() external pure returns (address);

    function swapExactTokensForETHSupportingFeeOnTransferTokens(uint256 amountIn, uint256 amountOutMin, address[] calldata path, address to, uint256 deadline) external;
    function swapExactETHForTokensSupportingFeeOnTransferTokens(uint256 amountOutMin, address[] calldata path, address to, uint deadline ) external payable;

    function addLiquidityETH(address token, uint256 amountTokenDesired, uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline) external payable returns (uint256 amountToken, uint256 amountETH, uint256 liquidity);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/Context.sol)

pragma solidity ^0.8.20;

/**
 * @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;
    }
}

{
  "remappings": [
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "forge-std/=lib/forge-std/src/",
    "solady/=lib/solady/src/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "paris",
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

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otalFees","type":"uint8"}],"name":"setFees","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"begPerETH","type":"uint256"}],"name":"startBegging","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tradingStatus","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","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":"treasuryWallet","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"uniswapV2Pair","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"uniswapV2Router","outputs":[{"internalType":"contract IUniswapV2Router02","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newAddress","type":"address"}],"name":"updateTreasuryWallet","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"withdrawETH","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address","name":"to","type":"address"}],"name":"withdrawToken","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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