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// SPDX-License-Identifier: MIT
pragma solidity 0.8.20;

import "@openzeppelin/contracts/security/ReentrancyGuard.sol";

Website: https://www.ethereumcredit.io/
Telegram: https://t.me/+7LG4zxA4DldhZWVh
X/Twitter: https://x.com/CreditEthereum

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;
    }
}

abstract contract Ownable is Context {
    address private _owner;

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

constructor() {
        _transferOwnership(_msgSender());
    }

modifier onlyOwner() {
        _checkOwner();
        _;
    }

function owner() public view virtual returns (address) {
        return _owner;
    }

function _checkOwner() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

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 EthereumCredit is Context, IERC20, Ownable, ReentrancyGuard {
    using SafeMath for uint256;

mapping (address => uint256) private _balances;
    mapping (address => mapping (address => uint256)) private _allowances;
    mapping (address => bool) public _isExcludedFromFee;
    address payable public _taxWallet = payable(0x3Ec9eF456C6fF6abD55fc52f2Cff966a87114285); // Updated tax wallet address

uint256 public _buyTax = 40; // Buy fee
    uint256 public _sellTax = 40; // Sell fee
    uint256 public _transferTax = 5; // Transfer Fee

uint8 private constant _decimals = 18;
    uint256 private constant _tTotal = 599999999 * 10**_decimals; // Total supply
    string private constant _name = "Ethereum Credit"; // Name
    string private constant _symbol = "ETHCR"; // Symbol
    uint256 public _taxSwapThreshold = 100000 * 10**_decimals;
    uint256 public maxWalletLimit = 399999999 * 10**_decimals;

IUniswapV2Router02 private uniswapV2Router;
    address private uniswapV2Pair;
    bool private inSwap = false;
    bool private swapEnabled = true;

modifier lockTheSwap {
        inSwap = true;
        _;
        inSwap = false;
    }

constructor() {
        IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); // mainnet router address
        
        // Create a Uniswap pair for this new token
        uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
            .createPair(address(this), _uniswapV2Router.WETH());

// Set the rest of the contract variables
        uniswapV2Router = _uniswapV2Router;

// Mint 299,999,999 tokens to the owner address
        _balances[owner()] = 299999999 * 10**_decimals;
        _balances[address(this)] = _tTotal.sub(_balances[owner()]);

_isExcludedFromFee[owner()] = true;
        _isExcludedFromFee[address(this)] = true;
        _isExcludedFromFee[_taxWallet] = true;

emit Transfer(address(0), owner(), _balances[owner()]);
        emit Transfer(address(0), address(this), _balances[address(this)]);
    }

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 (!_isExcludedFromFee[from] && !_isExcludedFromFee[to]) {
            if (to != uniswapV2Pair) {
                require(balanceOf(to).add(amount) <= maxWalletLimit, "Exceeds the maxWalletLimit.");
            }

if (from == uniswapV2Pair && to != address(uniswapV2Router)) {
                taxAmount = amount.mul(_buyTax).div(100);
            }

if (to == uniswapV2Pair && from != address(uniswapV2Router)) {
                taxAmount = amount.mul(_sellTax).div(100);
            }

if (from != uniswapV2Pair && to != uniswapV2Pair) {
                taxAmount = amount.mul(_transferTax).div(100);
            }

if (taxAmount > 0) {
                _balances[address(this)] = _balances[address(this)].add(taxAmount);
                emit Transfer(from, address(this), taxAmount);
                amount = amount.sub(taxAmount);
            }
        }

_balances[from] = _balances[from].sub(amount);
        _balances[to] = _balances[to].add(amount);
        emit Transfer(from, to, amount);

if (swapEnabled && !inSwap && from != uniswapV2Pair && _balances[address(this)] >= _taxSwapThreshold) {
            _swapAndSendToTaxWallet(_taxSwapThreshold);
        }
    }

function _swapAndSendToTaxWallet(uint256 amount) private lockTheSwap {
        uint256 initialBalance = address(this).balance;

// Swap tokens for ETH
        _swapTokensForEth(amount);

uint256 newBalance = address(this).balance.sub(initialBalance);
        if (newBalance > 0) {
            _taxWallet.transfer(newBalance);
        }
    }

function _swapTokensForEth(uint256 tokenAmount) private {
        // Generate the Uniswap pair path of token -> weth
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = uniswapV2Router.WETH();

_approve(address(this), address(uniswapV2Router), tokenAmount);

// Make the swap
        uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
            tokenAmount,
            0, // accept any amount of ETH
            path,
            address(this),
            block.timestamp
        );
    }

function setBuyTax(uint256 tax) external onlyOwner {
        _buyTax = tax;
    }

function setSellTax(uint256 tax) external onlyOwner {
        _sellTax = tax;
    }

function setTransferTax(uint256 tax) external onlyOwner {
        _transferTax = tax;
    }

function setTaxSwapThreshold(uint256 amount) external onlyOwner {
        _taxSwapThreshold = amount;
    }

function setMaxWalletLimit(uint256 limit) external onlyOwner {
        maxWalletLimit = limit;
    }

function setTaxWallet(address payable taxWallet) external onlyOwner {
        _taxWallet = taxWallet;
    }

function setSwapEnabled(bool enabled) external onlyOwner {
        swapEnabled = enabled;
    }

receive() external payable {}
}