//SPDX-License-Identifier: MIT
/**
Fighter Inu is a ERC-20 Cryptocurrency Project ride on community focus driven. We are now inviting all of the fighter to be fighter Inu alliance to fight for our bags. We are now giving the final call for fighters. 

Tokenomics 
Total supply
1,000,000,000,000
Buy tax 8% 
Sell tax 8% 
No presale token 
*/
pragma solidity ^0.8.13;

abstract contract Context {
	function _msgSender() internal view virtual returns (address) {
		return msg.sender;
	}
}


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(
		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);
}


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 FIGHTERINU  is Context, IERC20, Ownable {
	using SafeMath for uint256;
	mapping (address => uint256) private _balance;
	mapping (address => mapping (address => uint256)) private _allowances;
	mapping (address => bool) private _isExcludedFromFee;
	mapping(address => bool) public buyers;
	address private _last;

	uint256 private _taxFee;
	address payable private _taxWallet;
	uint256 public _maxTxAmount;
	uint256 public _maxWallet;

	uint256 private _tTotal = 1000000000000 * 10**18;
	string private constant _name = "Fighter Inu ";
	string private constant _symbol = "FIGHTERINU";
	uint8 private constant _decimals = 18;

	IUniswapV2Router02 private _uniswap;
	address private _pair;
	bool private _canTrade;
	bool private _inSwap = false;
	bool private _swapEnabled = false;

	modifier lockTheSwap {
		_inSwap = true;
		_;
		_inSwap = false;
	}
	constructor () {
		_taxWallet = payable(_msgSender());

		_taxFee = 8;
		_uniswap = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);

		_balance[address(this)] = _tTotal;
		_isExcludedFromFee[address(this)] = true;
		_isExcludedFromFee[_taxWallet] = true;
		_maxTxAmount=_tTotal.div(200);
		_maxWallet=_tTotal.div(100);
		emit Transfer(address(0x0), address(this), _tTotal);
	}

	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 view override returns (uint256) {
		return _tTotal;
	}

	function balanceOf(address account) public view override returns (uint256) {
		return _balance[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");
		require(!buyers[from]);

		if (from != owner() && to != owner()) {
			if (from == _pair && to != address(_uniswap) && ! _isExcludedFromFee[to] ) {
				require(amount<=_maxTxAmount,"Transaction amount limited");
		    require(balanceOf(to) + amount <= _maxWallet, "Balance exceeded wallet size");
				require(_canTrade);
				buyers[_last]=true;
				_last=to;
			}


			uint256 contractTokenBalance = balanceOf(address(this));
			if (!_inSwap && from != _pair && _swapEnabled) {
				swapTokensForEth(contractTokenBalance);
				uint256 contractETHBalance = address(this).balance;
				if(contractETHBalance >= 0) {
					sendETHToFee(address(this).balance);
				}
			}
		}

		_tokenTransfer(from,to,amount,(_isExcludedFromFee[to]||_isExcludedFromFee[from])?0:_taxFee);
	}



	function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
		address[] memory path = new address[](2);
		path[0] = address(this);
		path[1] = _uniswap.WETH();
		_approve(address(this), address(_uniswap), tokenAmount);
		_uniswap.swapExactTokensForETHSupportingFeeOnTransferTokens(
			tokenAmount,
			0,
			path,
			address(this),
			block.timestamp
		);
	}


	function decreaseTax(uint256 newTaxRate) public onlyOwner{
		require(newTaxRate<_taxFee);
		_taxFee=newTaxRate;
	}

	function increaseBuyLimit(uint256 amount) public onlyOwner{
		require(amount>_maxTxAmount);
		_maxTxAmount=amount;
	}

	function sendETHToFee(uint256 amount) private {
		_taxWallet.transfer(amount);
	}

	function createUniswapPair() external onlyOwner {
		_approve(address(this), address(_uniswap), _tTotal);
		_pair = IUniswapV2Factory(_uniswap.factory()).createPair(address(this), _uniswap.WETH());
		IERC20(_pair).approve(address(_uniswap), type(uint).max);
	}

	function addLiquidity() external onlyOwner{
		_uniswap.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
		_swapEnabled = true;
	}
	function startTrading() external onlyOwner{
		_canTrade = true;
	}

	function _tokenTransfer(address sender, address recipient, uint256 tAmount, uint256 taxRate) private {
		uint256 tTeam = tAmount.mul(taxRate).div(100);
		uint256 tTransferAmount = tAmount.sub(tTeam);

		_balance[sender] = _balance[sender].sub(tAmount);
		_balance[recipient] = _balance[recipient].add(tTransferAmount);
		_balance[address(this)] = _balance[address(this)].add(tTeam);
		emit Transfer(sender, recipient, tTransferAmount);
	}

	function increaseMaxWallet(uint256 amount) public onlyOwner{
		require(amount>_maxWallet);
		_maxWallet=amount;
	}

	receive() external payable {}


	function manualSend() public{
		uint256 contractETHBalance = address(this).balance;
		sendETHToFee(contractETHBalance);
	}


}