52 lines
1.1 KiB
Solidity
52 lines
1.1 KiB
Solidity
|
//SPDX-License-Identifier: GPL-3.0-only
|
||
|
|
|
||
|
|
/*
|
||
|
|
This contract can be used together with the emergency shutdown
|
||
|
|
functionality of the TokenBridge oracles.
|
||
|
|
*/
|
||
|
|
|
||
|
|
pragma solidity 0.7.6;
|
||
|
|
|
||
|
|
contract PauseController {
|
||
|
|
address public manager;
|
||
|
|
bool internal paused;
|
||
|
|
bytes32 private immutable ID;
|
||
|
|
|
||
|
|
constructor (string memory _id, address _manager) {
|
||
|
|
require(bytes(_id).length <= 32);
|
||
|
|
bytes32 id;
|
||
|
|
assembly {
|
||
|
|
id := mload(add(_id, 32))
|
||
|
|
}
|
||
|
|
ID = id;
|
||
|
|
|
||
|
|
manager = _manager;
|
||
|
|
}
|
||
|
|
|
||
|
|
modifier onlyManager() {
|
||
|
|
require(msg.sender == manager);
|
||
|
|
_;
|
||
|
|
}
|
||
|
|
|
||
|
|
function changeManager(address _newmanager) external onlyManager {
|
||
|
|
require(_newmanager != address(0));
|
||
|
|
manager = _newmanager;
|
||
|
|
}
|
||
|
|
|
||
|
|
function pause() external onlyManager {
|
||
|
|
paused = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
function play() external onlyManager {
|
||
|
|
paused = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
function isPaused() external view returns(bool) {
|
||
|
|
return paused;
|
||
|
|
}
|
||
|
|
|
||
|
|
function id() external view returns(string memory) {
|
||
|
|
return string(abi.encodePacked(ID));
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|