// SPDX-License-Identifier: MIT
pragma solidity 0.8.18;

abstract contract Context 
{
    function _msgSender() internal view virtual returns (address payable) {
        return payable(msg.sender);
    }

    function _msgData() internal view virtual returns (bytes memory) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}


contract Ownable is Context 
{
    address private _owner;
    address private _previousOwner;
    
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    constructor(address __owner) 
    {
        _owner = __owner;
        emit OwnershipTransferred(address(0), __owner);
    }

    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);
    }

    function transferOwnership(address newOwner) public virtual onlyOwner 
    {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }

}


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 tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        uint256 c = a + b;
        if (c < a) return (false, 0);
        return (true, c);
    }


    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b > a) return (false, 0);
        return (true, a - b);
    }


    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (a == 0) return (true, 0);
        uint256 c = a * b;
        if (c / a != b) return (false, 0);
        return (true, c);
    }


    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b == 0) return (false, 0);
        return (true, a / b);
    }


    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b == 0) return (false, 0);
        return (true, a % b);
    }


    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) {
        require(b <= a, "SafeMath: subtraction overflow");
        return a - b;
    }


    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) {
        require(b > 0, "SafeMath: division by zero");
        return a / b;
    }


    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0, "SafeMath: modulo by zero");
        return a % b;
    }


    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        return a - b;
    }


    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        return a / b;
    }

    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        return a % b;
    }
}



contract MoustacheMan is Context, IERC20, Ownable 
{
      using SafeMath for uint256;
      mapping (address => uint256) private _balances;
      mapping (address => mapping (address => uint256)) private _allowances;
      uint256 private _totalSupply;
      string private _name;
      string private _symbol;
      uint8 private _decimals;
      bool public takeBurnFee;
     

    constructor(address _owner) Ownable(_owner)
    { 
      _name = "Moustache Man";
      _symbol = "MM";
      _decimals = 18;
      takeBurnFee = true;
      _mint(owner(), 270_000_000 * 10**18);
    }



    function name() public view virtual returns (string memory) 
    {
        return _name;
    }

    function symbol() public view virtual returns (string memory) 
    {
        return _symbol;
    }

    function decimals() public view virtual returns (uint8) 
    {
        return _decimals;
    }

 
    function totalSupply() public view virtual override returns (uint256) 
    {
        return _totalSupply;
    }


    function balanceOf(address account) public view virtual override returns (uint256) 
    {
        return _balances[account];
    }


    function transfer(address recipient, uint256 amount) public virtual override returns (bool) 
    {
        _transferTokens(_msgSender(), recipient, amount);
        return true;
    }


    function allowance(address owner, address spender) public view virtual override returns (uint256) 
    {
        return _allowances[owner][spender];
    }


    function approve(address spender, uint256 amount) public virtual override returns (bool) 
    {
        _approve(_msgSender(), spender, amount);
        return true;
    }


    function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) 
    {
        _transferTokens(sender, recipient, amount);
        _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
        return true;
    }


    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) 
    {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
        return true;
    }


    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) 
    {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
        return true;
    }

    
    function enableBurnFee(bool _enable) external onlyOwner
    {
        takeBurnFee = _enable;
    }


    function _transferTokens(address from, address to, uint256 amount) internal virtual 
    {
         if(from != owner() && to != owner()) 
         {
            if(takeBurnFee)
            {
                uint256 burnFeeAmount = amount.div(100);
                amount = amount.sub(burnFeeAmount);                
                _transfer(from, address(0xdead), burnFeeAmount);
            }
         }
         _transfer(from, to, amount);
    }


    function _transfer(address sender, address recipient, uint256 amount) internal virtual 
    {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");
        _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
        _balances[recipient] = _balances[recipient].add(amount);
        emit Transfer(sender, recipient, amount);
    }



    function _mint(address account, uint256 amount) internal virtual 
    {
        require(account != address(0), "ERC20: mint to the zero address");
        _totalSupply = _totalSupply.add(amount);
        _balances[account] = _balances[account].add(amount);
        emit Transfer(address(0), account, amount);
    }


    function _approve(address owner, address spender, uint256 amount) internal virtual 
    {
        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);
    }

}