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