36 lines
964 B
Solidity
36 lines
964 B
Solidity
pragma solidity ^0.4.23;
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/// @dev `Owned` is a base level contract that assigns an `owner` that can be
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/// later changed
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contract Owned {
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/// @dev `owner` is the only address that can call a function with this
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/// modifier
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modifier onlyOwner() {
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require(msg.sender == owner);
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_;
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}
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address public owner;
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/// @notice The Constructor assigns the message sender to be `owner`
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constructor() internal {
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owner = msg.sender;
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}
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address public newOwner;
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/// @notice `owner` can step down and assign some other address to this role
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/// @param _newOwner The address of the new owner. 0x0 can be used to create
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/// an unowned neutral vault, however that cannot be undone
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function changeOwner(address _newOwner) public onlyOwner {
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newOwner = _newOwner;
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}
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function acceptOwnership() public {
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if (msg.sender == newOwner) {
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owner = newOwner;
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}
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}
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} |