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"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/Context.sol\";\n\n/**\n * @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * By default, the owner account will be the one that deploys the contract. This\n * can later be changed with {transferOwnership}.\n *\n * This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n */\nabstract contract Ownable is Context {\n address private _owner;\n\n event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n /**\n * @dev Initializes the contract setting the deployer as the initial owner.\n */\n constructor() {\n _transferOwnership(_msgSender());\n }\n\n /**\n * @dev Returns the address of the current owner.\n */\n function owner() public view virtual returns (address) {\n return _owner;\n }\n\n /**\n * @dev Throws if called by any account other than the owner.\n */\n modifier onlyOwner() {\n require(owner() == _msgSender(), \"Ownable: caller is not the owner\");\n _;\n }\n\n /**\n * @dev Leaves the contract without owner. It will not be possible to call\n * `onlyOwner` functions anymore. Can only be called by the current owner.\n *\n * NOTE: Renouncing ownership will leave the contract without an owner,\n * thereby removing any functionality that is only available to the owner.\n */\n function renounceOwnership() public virtual onlyOwner {\n _transferOwnership(address(0));\n }\n\n /**\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Can only be called by the current owner.\n */\n function transferOwnership(address newOwner) public virtual onlyOwner {\n require(newOwner != address(0), \"Ownable: new owner is the zero address\");\n _transferOwnership(newOwner);\n }\n\n /**\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Internal function without access restriction.\n */\n function _transferOwnership(address newOwner) internal virtual {\n address oldOwner = _owner;\n _owner = newOwner;\n emit OwnershipTransferred(oldOwner, newOwner);\n }\n}\n"
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract Context {\n function _msgSender() internal view virtual returns (address) {\n return msg.sender;\n }\n\n function _msgData() internal view virtual returns (bytes calldata) {\n return msg.data;\n }\n}\n"
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"src/FailSafe.sol": {
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"content": "// SPDX-License-Identifier: MIT\npragma solidity =0.8.15;\n\n// inheriting\nimport {Ownable} from \"@openzeppelin/contracts/access/Ownable.sol\";\n\ninterface IPausable {\n function pause(uint256 lockId) external;\n}\n\n/**\n * @title Fail Safe\n * @author @apoorvlathey\n *\n * @notice Pause all operations at once. This contract must be set as guardian.\n */\ncontract FailSafe is Ownable {\n // types\n struct Contract {\n address addr;\n uint256 lastLockId;\n }\n\n // storage\n Contract[] public contracts;\n mapping(address => bool) public isGuardian;\n\n // events\n event SetIsGuardian(address addr, bool isGuardian);\n\n // errors\n error NotGuardian();\n\n constructor(Contract[] memory _contracts) {\n setContracts(_contracts);\n isGuardian[msg.sender] = true;\n }\n\n // modifiers\n modifier onlyGuardian() {\n if (!isGuardian[msg.sender]) revert NotGuardian();\n _;\n }\n\n // external functions\n // onlyGuardian\n function pauseAll() external onlyGuardian {\n uint256 len = contracts.length;\n for (uint256 i; i < len; ) {\n Contract storage c = contracts[i];\n\n for (uint256 j; j <= c.lastLockId; ) {\n IPausable(c.addr).pause(j);\n\n unchecked {\n ++j;\n }\n }\n\n unchecked {\n ++i;\n }\n }\n }\n\n // onlyOwner\n function setContracts(Contract[] memory _contracts) public onlyOwner {\n delete contracts;\n\n uint256 len = _contracts.length;\n for (uint256 i; i < len; ) {\n contracts.push(_contracts[i]);\n\n unchecked {\n ++i;\n }\n }\n }\n\n function setIsGuardian(address addr, bool _isGuardian) external onlyOwner {\n isGuardian[addr] = _isGuardian;\n emit SetIsGuardian(addr, _isGuardian);\n }\n}\n"
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