1 // SPDX-License-Identifier: MIT
2 pragma solidity >=0.4.22 <0.9.0;
5 address public owner = msg.sender;
6 uint public last_completed_migration;
8 modifier restricted() {
11 "This function is restricted to the contract's owner"
16 function setCompleted(uint completed) public restricted {
17 last_completed_migration = completed;