Ownable contract used as example to dis-assemble the EVM bytecode of the dispatcher

Ownable.sol

pragma solidity >=0.7.0 <0.9.0;

contract Ownable {
    address private owner;

    // event for EVM logging
    event OwnerSet(address indexed oldOwner, address indexed newOwner);

    // modifier to check if caller is owner
    modifier isOwner() {
        require(msg.sender == owner, "Caller is not owner");
        _;
    }

    /**
     * @dev Set contract deployer as owner
     */
    constructor() {
        owner = msg.sender; // 'msg.sender' is sender of current call, contract deployer for a constructor
        emit OwnerSet(address(0), owner);
    }

    /**
     * @dev Change owner
     * @param _newOwner address of new owner
     */
    function updateOwner(address _newOwner) external isOwner {
        emit OwnerSet(owner, _newOwner);
        owner = _newOwner;
    }

    /**
     * @dev Return owner address
     * @return address of owner
     */
    function getOwner() external view returns (address) {
        return owner;
    }
}