// File: /contracts/Migrations.sol



// SPDX-License-Identifier: MIT
pragma solidity >=0.4.22 <0.9.0;

contract Migrations {
    address public owner = msg.sender;

    // A function with the signature `last_completed_migration()`, returning a uint, is required.
    uint public last_completed_migration;

    modifier restricted() {
        require(
            msg.sender == owner,
            "This function is restricted to the contract's owner"
        );
        _;
    }

    // A function with the signature `setCompleted(uint)` is required.
    function setCompleted(uint completed) public restricted {
        last_completed_migration = completed;
    }
}