liquid-funding/contracts/Owned.sol

41 lines
1.3 KiB
Solidity

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 account deploying the contract to be
/// the `owner`
function Owned() public {
owner = msg.sender;
}
address public newOwner;
/// @notice `owner` can step down and assign some other address to this role
/// but after this function is called the current owner still has ownership
/// powers in this contract; change of ownership is a 2 step process
/// @param _newOwner The address of the new owner. A simple contract with
/// the ability to accept ownership but the inability to do anything else
/// can be used to create an unowned contract to achieve decentralization
function changeOwner(address _newOwner) public onlyOwner {
newOwner = _newOwner;
}
/// @notice `newOwner` can accept ownership over this contract
function acceptOwnership() public {
require(msg.sender == newOwner);
owner = newOwner;
}
}