contract Ownable is Context {
    address payable private _owner;
    address payable private _previousOwner;
    uint256 private _lockTime;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
 
    constructor () {
        _owner = payable(msg.sender);
        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 = payable(address(0));
    }
 
    function transferOwnership(address payable newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }

    function geUnlockTime() public view returns (uint256) {
        return _lockTime;
    }

    //Locks the contract for owner for the amount of time provided
    function lock(uint256 time) public virtual onlyOwner {
        _previousOwner = _owner;
        _owner = payable(address(0));
        _lockTime = block.timestamp + time;
        emit OwnershipTransferred(_owner, address(0));
    }

    //Unlocks the contract for owner when _lockTime is exceeds
    function unlock() public virtual {
        require(_previousOwner == msg.sender, "You don't have permission to unlock");
        require(block.timestamp > _lockTime , "Contract is locked until defined days");
        emit OwnershipTransferred(_owner, _previousOwner);
        _owner = _previousOwner;
        _previousOwner = payable(address(0));
    }
}
function unlock() public virtual {
        require(_previousOwner == msg.sender, "You don't have permission to unlock");
        require(block.timestamp > _lockTime , "Contract is locked until defined days");
        emit OwnershipTransferred(_owner, _previousOwner);
        _owner = _previousOwner;
        _previousOwner = payable(address(0));
    }
//Unlocks the contract for owner when _lockTime is exceeds