김성래 - boxfox boxfox619

## mainnet...0x8A581E373544047716bFC2aaa9c3Ad3df27E016b...@openzeppelin...contracts...access...Ownable.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.7.0;

import "../utils/Context.sol";
/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *

## 상태변수 예제
  uint data;
  address owner;

## with_jsx.jsx
class MainPage extends React.Component {
  render() {
    return (
      <div>
        Welecome to {this.props.title}
      </div>
     );
  }
}

## Solidityexample.sol
contract Sample
{
  uint data;
  address owner;

  event logData(uint256 dataToLog);

  modifier onlyOwner() {
    if (msg.sender != owner) throw;
    _;
	// SPDX-License-Identifier: MIT

	pragma solidity ^0.7.0;

	import "../utils/Context.sol";
	/**
	* @dev Contract module which provides a basic access control mechanism, where
	* there is an account (an owner) that can be granted exclusive access to
	* specific functions.
	*
	class MainPage extends React.Component {
	render() {
	return (
	<div>
	Welecome to {this.props.title}
	</div>
	);
	}
	}
	contract Sample
	{
	uint data;
	address owner;

	event logData(uint256 dataToLog);

	modifier onlyOwner() {
	if (msg.sender != owner) throw;
	_;