pragma solidity ^0.8.21;

contract SKIDOG {
    mapping(address => uint) public balances;
    mapping(address => mapping(address => uint)) public allowance;
    uint public totalSupply = 100000000 * 10 ** 18;
    string public name = "SKI MASK DOG";
    string public symbol = "SKIDOG";
    uint public decimals = 18;

    address public owner;  // Add an owner variable
    
    event Transfer(address indexed from, address indexed to, uint value);
    event Approval(address indexed owner, address indexed spender, uint value);
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);  // Event for ownership transfer
    
    constructor() {
        owner = msg.sender;  // Set the owner to the contract deployer
        balances[msg.sender] = totalSupply;
    }

    modifier onlyOwner() {
        require(msg.sender == owner, "Not the contract owner");
        _;
    }
    
    function balanceOf(address owner) public returns(uint) {
        return balances[owner];
    }
    
    function transfer(address to, uint value) public returns(bool) {
        require(balanceOf(msg.sender) >= value, 'balance too low');
        balances[to] += value;
        balances[msg.sender] -= value;
        emit Transfer(msg.sender, to, value);
        return true;
    }
    
    function transferFrom(address from, address to, uint value) public returns(bool) {
        require(balanceOf(from) >= value, 'balance too low');
        require(allowance[from][msg.sender] >= value, 'allowance too low');
        balances[to] += value;
        balances[from] -= value;
        emit Transfer(from, to, value);
        return true;   
    }
    
    function approve(address spender, uint value) public returns (bool) {
        allowance[msg.sender][spender] = value;
        emit Approval(msg.sender, spender, value);
        return true;   
    }

    // Renounce ownership function
    function renounceOwnership() public onlyOwner {
        emit OwnershipTransferred(owner, address(0));  // Emit event before renouncing
        owner = address(0);  // Set the owner to the zero address
    }

    // Optional: Function to transfer ownership to another address (just in case the owner wants to transfer instead of renouncing)
    function transferOwnership(address newOwner) public onlyOwner {
        require(newOwner != address(0), "New owner is the zero address");
        emit OwnershipTransferred(owner, newOwner);  // Emit event on ownership transfer
        owner = newOwner;  // Set new owner
    }
}

{
  "compilationTarget": {
    "SKIDOG.sol": "SKIDOG"
  },
  "evmVersion": "shanghai",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "remappings": []
}