mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
44 lines
1.0 KiB
Solidity
44 lines
1.0 KiB
Solidity
pragma solidity ^0.4.11;
|
|
|
|
|
|
import './Claimable.sol';
|
|
|
|
|
|
/**
|
|
* @title DelayedClaimable
|
|
* @dev Extension for the Claimable contract, where the ownership needs to be claimed before/after
|
|
* a certain block number.
|
|
*/
|
|
contract DelayedClaimable is Claimable {
|
|
|
|
uint256 public end;
|
|
uint256 public start;
|
|
|
|
/**
|
|
* @dev Used to specify the time period during which a pending
|
|
* owner can claim ownership.
|
|
* @param _start The earliest time ownership can be claimed.
|
|
* @param _end The latest time ownership can be claimed.
|
|
*/
|
|
function setLimits(uint256 _start, uint256 _end) public onlyOwner {
|
|
if (_start > _end)
|
|
throw;
|
|
end = _end;
|
|
start = _start;
|
|
}
|
|
|
|
|
|
/**
|
|
* @dev Allows the pendingOwner address to finalize the transfer, as long as it is called within
|
|
* the specified start and end time.
|
|
*/
|
|
function claimOwnership() public onlyPendingOwner {
|
|
if ((block.number > end) || (block.number < start))
|
|
throw;
|
|
owner = pendingOwner;
|
|
pendingOwner = address(0x0);
|
|
end = 0;
|
|
}
|
|
|
|
}
|