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contracts-live...ownable-contract.sol

//SPDX-License-Identifier: GPL-3.0

pragma solidity ^0.8.0;

contract Ownable{
    address public owner;

    event OwnershipTransferred(address indexed _previousOwner, address indexed newOnwer);
    modifier onlyOwner{
        require(owner == msg.sender,"Only Owner can access this");
        _;
    }
    constructor(){
        owner =  msg.sender;
    }

    function getCurrentOwner() public view returns(address){
        return owner;
    }

    function transferOwnership(address _newOwner) public onlyOwner{
        require(_newOwner != address(0),"New Owner Address is invalid");
        owner = _newOwner;
        emit OwnershipTransferred(msg.sender,owner);
    }

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