20 lines
451 B
Solidity
20 lines
451 B
Solidity
// SPDX-License-Identifier: MIT
|
|
pragma solidity ^0.8.0;
|
|
|
|
contract MyContract {
|
|
address public owner;
|
|
|
|
constructor() {
|
|
owner = msg.sender;
|
|
}
|
|
|
|
modifier onlyOwner() {
|
|
require(msg.sender == owner, "Only owner can call this function");
|
|
_;
|
|
}
|
|
|
|
function setOwner(address newOwner) public onlyOwner {
|
|
require(newOwner != address(0), "New owner cannot be zero address");
|
|
owner = newOwner;
|
|
}
|
|
} |