yoon-asha

// File: contracts/introspection/IKIP13.sol

pragma solidity ^0.5.0;

/**
 * @dev Interface of the KIP-13 standard, as defined in the
 * [KIP-13](http://kips.klaytn.com/KIPs/kip-13-interface_query_standard).
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others.

yoon-asha

// SPDX-License-Identifier: GPL-3.0

pragma solidity >=0.4.24 <=0.5.6;

contract Count {
    uint256 public count = 0;

    function getBlockNumber() public view returns (uint256) {
        return block.number;
    }

yoon-asha

// SPDX-License-Identifier: GPL-3.0
pragma solidity 0.8.13;

abstract contract OwnerHelper {
    address private owner;

  	event OwnerTransferPropose(address indexed _from, address indexed _to);

  	modifier onlyOwner {
		require(msg.sender == owner);