laconicd/tests/solidity/suites/opcode/contracts/Migrations.sol
Yijia Su bb6622b7fb
tests: add opcode contract tests (#273)
Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>
2021-07-20 13:01:01 +00:00

24 lines
515 B
Solidity

pragma solidity >=0.4.21 <0.6.0;
contract Migrations {
address public owner;
uint public last_completed_migration;
constructor() public {
owner = msg.sender;
}
modifier restricted() {
if (msg.sender == owner) _;
}
function setCompleted(uint completed) public restricted {
last_completed_migration = completed;
}
function upgrade(address new_address) public restricted {
Migrations upgraded = Migrations(new_address);
upgraded.setCompleted(last_completed_migration);
}
}