Decipher Solidity #20221001

Counters.sol

// SPDX-License-Identifier: MIT
pragma solidity >= 0.8.0;


contract Counter {
    uint private _value; 
    address public owner;


    constructor() {
        owner = msg.sender;
    }


    function current() public view returns (uint) {
        return _value;
    }


    function increment() public onlyOwner {
        _value = _value + 1;
    }


    function decrement() public onlyOwner {
        require(_value > 0, "Value should be positive");
        _value = _value - 1;
    }

    modifier onlyOwner() {
        require(msg.sender == owner, "Only Owner");
        _; 
    }
}