Token

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

contract Token {
    mapping(address => uint256) public balances;
    mapping(address => mapping(address => uint256)) public allowance;
    uint256 public totalSupply;
    string public name;
    string public symbol;
    uint8 public decimals = 18;
    address public owner;

    modifier onlyOwner() {
        require(msg.sender == owner, "Not owner");
        _;
    }
    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);
    event Mint(address indexed to, uint256 amount);
    event OwnershipRenounced(address indexed previousOwner);

    constructor(string memory _name, string memory _symbol, uint256 _totalSupply) {
        name = _name;
        symbol = _symbol;
        totalSupply = _totalSupply * 10 ** uint256(decimals);
        balances[msg.sender] = totalSupply;
        owner = msg.sender;
        emit Transfer(address(0), msg.sender, totalSupply);
    }
    
    function balanceOf(address account) public view returns (uint256) {
        return balances[account];
    }
    
    function transfer(address to, uint256 amount) public returns (bool) {
        require(balances[msg.sender] >= amount, "Insufficient balance");
        balances[msg.sender] -= amount;
        balances[to] += amount;
        emit Transfer(msg.sender, to, amount);
        return true;
    }
    
    function approve(address spender, uint256 amount) public returns (bool) {
        allowance[msg.sender][spender] = amount;
        emit Approval(msg.sender, spender, amount);
        return true;
    }
    
    function transferFrom(address from, address to, uint256 amount) public returns (bool) {
        require(balances[from] >= amount, "Insufficient balance");
        require(allowance[from][msg.sender] >= amount, "Allowance exceeded");
        balances[from] -= amount;
        balances[to] += amount;
        allowance[from][msg.sender] -= amount;
        emit Transfer(from, to, amount);
        return true;
    }

   function renounceOwnership() public onlyOwner {
        emit OwnershipRenounced(owner);
        owner = address(0);
    }

    function mint(address to, uint256 amount) public onlyOwner{
        require(owner != address(0), "Ownership renounced");
        uint256 mintAmount = amount * 10 ** uint256(decimals);
        totalSupply += mintAmount;
        balances[to] += mintAmount;
        emit Mint(to, mintAmount);
        emit Transfer(address(0), to, mintAmount);
    }
    
}