40 lines
977 B
Solidity
40 lines
977 B
Solidity
|
|
||
|
|
//File: ./contracts/Owned.sol
|
||
|
|
pragma solidity ^0.4.11;
|
||
|
|
|
||
|
|
|
||
|
|
/// @dev `Owned` is a base level contract that assigns an `owner` that can be
|
||
|
|
/// later changed
|
||
|
|
contract Owned {
|
||
|
|
|
||
|
|
/// @dev `owner` is the only address that can call a function with this
|
||
|
|
/// modifier
|
||
|
|
modifier onlyOwner() {
|
||
|
|
require(msg.sender == owner);
|
||
|
|
_;
|
||
|
|
}
|
||
|
|
|
||
|
|
address public owner;
|
||
|
|
|
||
|
|
/// @notice The Constructor assigns the message sender to be `owner`
|
||
|
|
function Owned() {
|
||
|
|
owner = msg.sender;
|
||
|
|
}
|
||
|
|
|
||
|
|
address public newOwner;
|
||
|
|
|
||
|
|
/// @notice `owner` can step down and assign some other address to this role
|
||
|
|
/// @param _newOwner The address of the new owner. 0x0 can be used to create
|
||
|
|
/// an unowned neutral vault, however that cannot be undone
|
||
|
|
function changeOwner(address _newOwner) onlyOwner {
|
||
|
|
newOwner = _newOwner;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
function acceptOwnership() {
|
||
|
|
if (msg.sender == newOwner) {
|
||
|
|
owner = newOwner;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|