InstaContract/contracts/Migrations.sol
2018-10-24 22:52:58 +05:30

29 lines
628 B
Solidity

pragma solidity 0.4.24;
/* solium-disable mixedcase */
contract Migrations {
address public owner;
uint public last_completed_migration;
modifier restricted() {
if (msg.sender == owner)
_;
}
constructor()
public
{
owner = msg.sender;
}
function setCompleted(uint completed) public restricted {
last_completed_migration = completed;
}
function upgrade(address _newAddress) public restricted {
Migrations upgraded = Migrations(_newAddress);
upgraded.setCompleted(last_completed_migration);
}
}
/* solium-enable mixedcase */