Source Code
Overview
MATIC Balance
0 MATIC
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N/A
Latest 1 from a total of 1 transactions
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0x61012060 | 31436597 | 427 days ago | IN | Create: ScannerToScannerPoolMigration | 0 MATIC | 0.00331241 |
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Contract Name:
ScannerToScannerPoolMigration
Compiler Version
v0.8.9+commit.e5eed63a
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: UNLICENSED // See Forta Network License: https://github.com/forta-network/forta-contracts/blob/master/LICENSE.md pragma solidity ^0.8.9; import "../BaseComponentUpgradeable.sol"; import "./ScannerRegistry.sol"; import "../scanner_pools/ScannerPoolRegistry.sol"; import "../staking/IStakeMigrator.sol"; /** * Migration of ScannerRegistry to ScannerPoolRegistry */ contract ScannerToScannerPoolMigration is BaseComponentUpgradeable { /** Contract version */ string public constant version = "0.1.0"; uint256 public constant SCANNER_POOL_NOT_MIGRATED = 0; /// @custom:oz-upgrades-unsafe-allow state-variable-immutable ScannerRegistry public immutable scannerNodeRegistry; /// @custom:oz-upgrades-unsafe-allow state-variable-immutable ScannerPoolRegistry public immutable scannerPoolRegistry; /// @custom:oz-upgrades-unsafe-allow state-variable-immutable IStakeMigrator public immutable stakeMigrator; /// chainId => scannerPoolAddress => scannerPoolId mapping(uint256 => mapping(address => uint256)) private _migratedScannerPools; event MigrationExecuted(uint256 scannersMigrated, uint256 scannersIgnored, uint256 indexed scannerPoolId, bool mintedScannerPool); error NotOwnerOfScannerPool(address pretender, uint256 scannerPoolId); error WrongScannerChainId(uint256 expected, uint256 provided, address scanner); error WrongScannerPoolChainId(uint256 expected, uint256 provided, uint256 scannerPoolId); error ScannerPoolAlreadyMigrated(uint256 scannerPoolId); /// @custom:oz-upgrades-unsafe-allow constructor constructor( address _forwarder, address _scannerNodeRegistry, address _scannerPoolRegistry, address _stakeMigrator ) initializer ForwardedContext(_forwarder) { if (_scannerNodeRegistry == address(0)) revert ZeroAddress("_scannerNodeRegistry"); if (_scannerPoolRegistry == address(0)) revert ZeroAddress("_scannerPoolRegistry"); if (_stakeMigrator == address(0)) revert ZeroAddress("_stakeMigrator"); scannerNodeRegistry = ScannerRegistry(_scannerNodeRegistry); scannerPoolRegistry = ScannerPoolRegistry(_scannerPoolRegistry); stakeMigrator = IStakeMigrator(_stakeMigrator); } /** * @notice Initializer method, access point to initialize inheritance tree. * @param __manager address of AccessManager. */ function initialize(address __manager) public initializer { __BaseComponentUpgradeable_init(__manager); } /** * @notice Method to self migrate from the old ScannerRegistry NFTs to a single ScannerPoolRegistry NFT, per chain. * WARNING: ScannerNodeRegistry's manager addresses will not be migrated, please user ScannerPoolRegistry's methods to set them again. * @param scanners array of scanner addresses to be migrated. * All the scanners willing to migrate (optingOutOfMigration flags set to false) ScannerRegistry ERC721 identified by the uint256(address) * in the input array will be: * - Registered in ScannerPoolRegistry to the scannerPoolId either indicated or generated, with the same chainId and metadata. * - Deleted in ScannerNodeRegistry. The ERC721 will be burned, disabled flags and managers deleted from storage. * Scanners with optingOutOfMigration flags == true will be ignored (opted out), and will stay in ScannerNodeRegistry. * At migration end, they will stop receiving work and rewards. * @param scannerPoolId If set as 0, a new ScannerPoolRegistry ERC721 will be minted to scannerPool, otherwise it must be set as a * valid ScannerPoolRegistry ERC721 id owned by scannerPool. * @return ScannerPoolRegistry ERC721 id the scanners are migrated to. */ function selfMigrate( address[] calldata scanners, uint256 scannerPoolId, uint256 chainId ) external returns (uint256) { return _migrate(scanners, scannerPoolId, _msgSender(), chainId); } /** * @notice Method to migrate from the old ScannerRegistry NFTs to a single ScannerPoolRegistry NFT, executed by an address with the role * MIGRATION_EXECUTOR_ROLE. * WARNING: ScannerNodeRegistry's manager addresses will not be migrated, please user ScannerPoolRegistry's methods to set them again. * @param scanners array of scanner addresses to be migrated. * All the scanners willing to migrate (optingOutOfMigration flags set to false) ScannerRegistry ERC721 identified by the uint256(address) * in the input array will be: * - Registered in ScannerPoolRegistry to the scannerPoolId either indicated or generated, with the same chainId and metadata. * - Deleted in ScannerNodeRegistry. The ERC721 will be burned, disabled flags and managers deleted from storage. * Scanners with with optingOutOfMigration flags == true will be ignored (opted out), and will stay in ScannerNodeRegistry. * @param scannerPoolId If set as 0, a new ScannerPoolRegistry ERC721 will be minted to scannerPool, otherwise it must be set as a * valid ScannerPoolRegistry ERC721 id owned by scannerPool. * @param scannerPool address that owns the scanners and will own the ScannerPoolRegistry ERC721 * @return ScannerPoolRegistry ERC721 id the scanners are migrated to. */ function migrate( address[] calldata scanners, uint256 scannerPoolId, address scannerPool, uint256 chainId ) external onlyRole(MIGRATION_EXECUTOR_ROLE) returns (uint256) { return _migrate(scanners, scannerPoolId, scannerPool, chainId); } function _migrate( address[] calldata scanners, uint256 inputScannerPoolId, address scannerPool, uint256 chainId ) private returns (uint256) { uint256 scannerPoolId = _getScannerPoolIdOrMint(scannerPool, inputScannerPoolId, chainId); uint256 total = scanners.length; uint256 scannersMigrated = 0; for (uint256 i = 0; i < total; i++) { uint256 scannerId = scannerNodeRegistry.scannerAddressToId(scanners[i]); if (scannerNodeRegistry.ownerOf(scannerId) != scannerPool) revert SenderNotOwner(scannerPool, scannerId); (string memory metadata, uint256 disabledFlags) = _checksScanner(scannerId, chainId, scanners[i]); if (!scannerNodeRegistry.optingOutOfMigration(scannerId)) { _migrateRegistries(scanners[i], disabledFlags, scannerPoolId, chainId, metadata); { stakeMigrator.migrate(SCANNER_SUBJECT, scannerId, SCANNER_POOL_SUBJECT, scannerPoolId, scannerPool); } scannersMigrated++; } } emit MigrationExecuted(scannersMigrated, total - scannersMigrated, scannerPoolId, inputScannerPoolId == SCANNER_POOL_NOT_MIGRATED); return scannerPoolId; } function _checksScanner(uint256 scannerId, uint256 chainId, address scanner) private view returns (string memory metadata, uint256 disabledFlags) { (, , uint256 scannerChainId, string memory data, , uint256 flags) = scannerNodeRegistry.getScannerState(scannerId); if (scannerChainId != chainId) revert WrongScannerChainId(chainId, scannerChainId, scanner); return(data, flags); } function _migrateRegistries( address scanner, uint256 disabledFlags, uint256 scannerPoolId, uint256 chainId, string memory metadata ) private { scannerPoolRegistry.registerMigratedScannerNode( ScannerPoolRegistryCore.ScannerNodeRegistration({ scanner: scanner, scannerPoolId: scannerPoolId, chainId: chainId, metadata: metadata, timestamp: block.timestamp }), disabledFlags != 0 ); scannerNodeRegistry.deregisterScannerNode(scannerNodeRegistry.scannerAddressToId(scanner)); } function _getScannerPoolIdOrMint( address scannerPool, uint256 scannerPoolId, uint256 chainId ) private returns (uint256) { if (scannerPoolId == SCANNER_POOL_NOT_MIGRATED) { if (_migratedScannerPools[chainId][scannerPool] != 0) { revert ScannerPoolAlreadyMigrated(_migratedScannerPools[chainId][scannerPool]); } else { uint256 newScannerPoolId = scannerPoolRegistry.registerMigratedScannerPool(scannerPool, chainId); _migratedScannerPools[chainId][scannerPool] = newScannerPoolId; return newScannerPoolId; } } else if (scannerPoolRegistry.ownerOf(scannerPoolId) != scannerPool) { revert NotOwnerOfScannerPool(scannerPool, scannerPoolId); } else if (scannerPoolRegistry.monitoredChainId(scannerPoolId) != chainId) { revert WrongScannerPoolChainId(chainId, scannerPoolRegistry.monitoredChainId(scannerPoolId), scannerPoolId); } return scannerPoolId; } /** * 50 * - 1 _migratedScannerPools; * -------------------------- * 49 __gap */ uint256[49] private __gap; }
// SPDX-License-Identifier: UNLICENSED // See Forta Network License: https://github.com/forta-network/forta-contracts/blob/master/LICENSE.md pragma solidity ^0.8.9; import "@openzeppelin/contracts/utils/Multicall.sol"; import "@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol"; import "./Roles.sol"; import "./utils/AccessManaged.sol"; import "./utils/IVersioned.sol"; import "./utils/ForwardedContext.sol"; import "./utils/Routed.sol"; import "../tools/ENSReverseRegistration.sol"; /** * @dev The Forta platform is composed of "component" smart contracts that are upgradeable, share a common access * control scheme and can send use routed hooks to signal one another. They also support the multicall pattern. * * This contract contains the base of Forta components. Contracts that inherit this component must call * - __BaseComponentUpgradeable_init(address manager) * in their initialization process. */ abstract contract BaseComponentUpgradeable is ForwardedContext, AccessManagedUpgradeable, RoutedUpgradeable, Multicall, UUPSUpgradeable, IVersioned { function __BaseComponentUpgradeable_init(address __manager) internal initializer { __AccessManaged_init(__manager); __UUPSUpgradeable_init(); } // Access control for the upgrade process function _authorizeUpgrade(address newImplementation) internal virtual override onlyRole(UPGRADER_ROLE) { } // Allow the upgrader to set ENS reverse registration function setName(address ensRegistry, string calldata ensName) public onlyRole(ENS_MANAGER_ROLE) { ENSReverseRegistration.setName(ensRegistry, ensName); } /** * @notice Helper to get either msg msg.sender if not a meta transaction, signer of forwarder metatx if it is. * @inheritdoc ForwardedContext */ function _msgSender() internal view virtual override(ContextUpgradeable, ForwardedContext) returns (address sender) { return super._msgSender(); } /** * @notice Helper to get msg.data if not a meta transaction, forwarder data in metatx if it is. * @inheritdoc ForwardedContext */ function _msgData() internal view virtual override(ContextUpgradeable, ForwardedContext) returns (bytes calldata) { return super._msgData(); } uint256[50] private __gap; }
// SPDX-License-Identifier: UNLICENSED // See Forta Network License: https://github.com/forta-network/forta-contracts/blob/master/LICENSE.md pragma solidity ^0.8.9; interface IStakeMigrator { function migrate( uint8 oldSubjectType, uint256 oldSubject, uint8 newSubjectType, uint256 newSubject, address staker ) external; }
// SPDX-License-Identifier: UNLICENSED // See Forta Network License: https://github.com/forta-network/forta-contracts/blob/master/LICENSE.md pragma solidity ^0.8.9; import "../BaseComponentUpgradeable.sol"; import "./ScannerPoolRegistryCore.sol"; import "./ScannerPoolRegistryManaged.sol"; /** * ERC721 Registry of Scanner Pools. Each scanner ScannerPool EOA controls a number of Scanner Nodes through the ownership of this NFT, * represented by their EOA address. * The Scanner Pool must register themselves, then register scanner addresses to be controlled by their scannerPoolId (incremental uint). * Registered Scanner Pools can also assign managers to manage the scanners. * Each Scanner Pool has a single "chainId" for all the scanners, and each scanner has metadata (string that can point to a URL, IPFS…). * Scanner Pool owners and managers can update said metadata. * Scanner Nodes can be enabled or disabled by: * - the Scanner itself, * - the ScannerPool owner * - any of the scanner managers * If the scannerId is staked under the minimum stake, it can’t be `enabled()` and `isEnabled()` will return false, regardless of the disabled flag. * If the scanner is not registered, `isEnabled()` will return false. * A Scanner Node that is not enabled will not receive work (bot assignments) */ contract ScannerPoolRegistry is BaseComponentUpgradeable, ScannerPoolRegistryCore, ScannerPoolRegistryManaged { string public constant version = "0.1.0"; /// @custom:oz-upgrades-unsafe-allow constructor constructor(address forwarder, address stakeAllocator) initializer ForwardedContext(forwarder) ScannerPoolRegistryCore(stakeAllocator) {} /** * @notice Initializer method, access point to initialize inheritance tree. * @param __manager address of AccessManager. * @param __name ERC721 token name. * @param __symbol ERC721 token symbol. * @param __stakeSubjectGateway address of StakeSubjectGateway * @param __registrationDelay amount of time allowed from scanner signing a ScannerNodeRegistration request and it's execution */ function initialize( address __manager, string calldata __name, string calldata __symbol, address __stakeSubjectGateway, uint256 __registrationDelay ) public initializer { __BaseComponentUpgradeable_init(__manager); __ScannerPoolRegistryCore_init(__name, __symbol, __stakeSubjectGateway, __registrationDelay); } function registerMigratedScannerPool(address scannerPoolAddress, uint256 chainId) external onlyRole(SCANNER_2_SCANNER_POOL_MIGRATOR_ROLE) returns (uint256 scannerPoolId) { return _registerScannerPool(scannerPoolAddress, chainId); } function registerMigratedScannerNode(ScannerNodeRegistration calldata req, bool disabled) external onlyRole(SCANNER_2_SCANNER_POOL_MIGRATOR_ROLE) { _registerScannerNode(req); if (disabled) { _setScannerDisableFlag(req.scanner, true); } } /** * @notice disambiguation of _canSetEnableState, adding SCANNER_2_SCANNER_POOL_MIGRATOR_ROLE to the allowed setters. * @inheritdoc ScannerPoolRegistryManaged */ function _canSetEnableState(address scanner) internal view virtual override(ScannerPoolRegistryCore, ScannerPoolRegistryManaged) returns (bool) { return super._canSetEnableState(scanner) || hasRole(SCANNER_2_SCANNER_POOL_MIGRATOR_ROLE, _msgSender()); } /** * @notice Helper to get either msg msg.sender if not a meta transaction, signer of forwarder metatx if it is. * @inheritdoc ForwardedContext */ function _msgSender() internal view virtual override(BaseComponentUpgradeable, ScannerPoolRegistryCore) returns (address sender) { return super._msgSender(); } /** * @notice Helper to get msg.data if not a meta transaction, forwarder data in metatx if it is. * @inheritdoc ForwardedContext */ function _msgData() internal view virtual override(BaseComponentUpgradeable, ScannerPoolRegistryCore) returns (bytes calldata) { return super._msgData(); } uint256[50] private __gap; }
// SPDX-License-Identifier: UNLICENSED // See Forta Network License: https://github.com/forta-network/forta-contracts/blob/master/LICENSE.md pragma solidity ^0.8.9; import "../BaseComponentUpgradeable.sol"; import "./ScannerRegistryCore.sol"; import "./ScannerRegistryManaged.sol"; import "./ScannerRegistryEnable.sol"; import "./ScannerRegistryMetadata.sol"; contract ScannerRegistry is BaseComponentUpgradeable, ScannerRegistryCore, ScannerRegistryManaged, ScannerRegistryEnable, ScannerRegistryMetadata { event DeregisteredScanner(uint256 scannerId); event ConfiguredMigration(uint256 sunsettingTime, address scannerPoolRegistry); string public constant version = "0.1.4"; mapping(uint256 => bool) public optingOutOfMigration; uint256 public sunsettingTime; ScannerPoolRegistry public scannerPoolRegistry; /// @custom:oz-upgrades-unsafe-allow constructor constructor(address forwarder) initializer ForwardedContext(forwarder) {} error CannotDeregister(uint256 scannerId); /** * @notice Initializer method, access point to initialize inheritance tree. * @param __manager address of AccessManager. * @param __name ERC721 token name. * @param __symbol ERC721 token symbol. */ function initialize( address __manager, string calldata __name, string calldata __symbol ) public initializer { __BaseComponentUpgradeable_init(__manager); __ERC721_init(__name, __symbol); } /** * @notice Gets all scanner properties and state * @param scannerId ERC721 token id of the scanner. * @return registered true if scanner exists. * @return owner address. * @return chainId the scanner is monitoring. * @return metadata IPFS pointer for the scanner's JSON metadata. * @return enabled true if staked over minimum and not disabled. * @return disabledFlags 0 if not disabled, Permission if disabled. */ function getScannerState(uint256 scannerId) external view returns ( bool registered, address owner, uint256 chainId, string memory metadata, bool enabled, uint256 disabledFlags ) { // If migration has started, and scanner has migrated, return ScannerPoolRegistry values if (scannerPoolRegistry.isScannerRegistered(address(uint160(scannerId)))) { return _getScannerStateFromScannerPool(scannerId); } else { return _getScannerState(scannerId); } } function _getScannerStateFromScannerPool(uint256 scannerId) private view returns ( bool registered, address owner, uint256 chainId, string memory metadata, bool enabled, uint256 disabledFlags ) { bool disabled; (registered, owner, chainId, metadata, enabled, disabled) = scannerPoolRegistry.getScannerState(address(uint160(scannerId))); if (disabled) { disabledFlags = 1; } return (registered, owner, chainId, metadata, enabled, disabledFlags); } function _getScannerState(uint256 scannerId) private view returns ( bool registered, address owner, uint256 chainId, string memory metadata, bool enabled, uint256 disabledFlags ) { (registered, owner, chainId, metadata) = super.getScanner(scannerId); return (registered, owner, chainId, metadata, isEnabled(scannerId), _getDisableFlags(scannerId)); } function _getScannerFromScannerPool(uint256 scannerId) private view returns ( bool registered, address owner, uint256 chainId, string memory metadata ) { (registered, owner, chainId, metadata, , ) = scannerPoolRegistry.getScannerState(address(uint160(scannerId))); return (registered, owner, chainId, metadata); } function getScanner(uint256 scannerId) public view virtual override returns ( bool registered, address owner, uint256 chainId, string memory metadata ) { // If migration has started, and scanner has migrated, return ScannerPoolRegistry values if (scannerPoolRegistry.isScannerRegistered(address(uint160(scannerId)))) { return _getScannerFromScannerPool(scannerId); } else { return super.getScanner(scannerId); } } function isEnabled(uint256 scannerId) public view virtual override returns (bool) { // after migration, return false if (hasMigrationEnded()) { return false; // During migration, return ScannerPoolRegistry value if scannerId is migrated } else if (scannerPoolRegistry.isScannerRegistered(address(uint160(scannerId)))) { return scannerPoolRegistry.isScannerOperational(address(uint160(scannerId))); // Return ScannerRegistry value if migration has not started or if is not yet migrated } else { return super.isEnabled(scannerId); } } function hasMigrationEnded() public view returns (bool) { return sunsettingTime < block.timestamp; } function deregisterScannerNode(uint256 scannerId) external onlyRole(SCANNER_2_SCANNER_POOL_MIGRATOR_ROLE) { if (optingOutOfMigration[scannerId]) revert CannotDeregister(scannerId); _burn(scannerId); delete _disabled[scannerId]; delete _managers[scannerId]; delete _scannerMetadata[scannerId]; emit DeregisteredScanner(scannerId); } /** * Declares preference for migration from ScanerRegistry to ScannerPoolRegistry. Default is yes. * @param scannerId ERC721 id * @param isOut true if the scanner does not want to be migrated to the ScannerPoolRegistry (and deleted) */ function setMigrationPrefrence(uint256 scannerId, bool isOut) external onlyOwnerOf(scannerId) { optingOutOfMigration[scannerId] = isOut; } /*********** Admin methods ***********/ /** * Configures migration params * @param _sunsettingTime time after which the scanners won't be operational (isEnabled will return false) and will not get bot assignments or rewards. * @param _scannerPoolRegistry new registry, for compatibility for off chain components during migration */ function configureMigration(uint256 _sunsettingTime, address _scannerPoolRegistry) external onlyRole(DEFAULT_ADMIN_ROLE) { if (_sunsettingTime == 0) revert ZeroAmount("_sunsettingTime"); if (_scannerPoolRegistry == address(0)) revert ZeroAddress("_scannerPoolRegistry"); sunsettingTime = _sunsettingTime; scannerPoolRegistry = ScannerPoolRegistry(_scannerPoolRegistry); emit ConfiguredMigration(sunsettingTime, _scannerPoolRegistry); } /** * @dev inheritance disambiguation for _getStakeThreshold * see ScannerRegistryMetadata */ function _getStakeThreshold(uint256 subject) internal view virtual override(ScannerRegistryCore, ScannerRegistryMetadata) returns (StakeThreshold memory) { return super._getStakeThreshold(subject); } /** * @notice Helper to get either msg msg.sender if not a meta transaction, signer of forwarder metatx if it is. * @inheritdoc ForwardedContext */ function _msgSender() internal view virtual override(BaseComponentUpgradeable, ScannerRegistryCore, ScannerRegistryEnable) returns (address sender) { return super._msgSender(); } /** * @notice Helper to get msg.data if not a meta transaction, forwarder data in metatx if it is. * @inheritdoc ForwardedContext */ function _msgData() internal view virtual override(BaseComponentUpgradeable, ScannerRegistryCore, ScannerRegistryEnable) returns (bytes calldata) { return super._msgData(); } /** * 50 * - 1 optingOutOfMigration; * - 1 sunsettingTime; * - 1 scannerPoolRegistry; * -------------------------- * 47 __gap */ uint256[47] private __gap; }
// SPDX-License-Identifier: UNLICENSED // See Forta Network License: https://github.com/forta-network/forta-contracts/blob/master/LICENSE.md pragma solidity ^0.8.9; // These are the roles used in the components of the Forta system, except // Forta token itself, that needs to define it's own roles for consistency across chains bytes32 constant DEFAULT_ADMIN_ROLE = bytes32(0); // Routing bytes32 constant ROUTER_ADMIN_ROLE = keccak256("ROUTER_ADMIN_ROLE"); // Base component bytes32 constant ENS_MANAGER_ROLE = keccak256("ENS_MANAGER_ROLE"); bytes32 constant UPGRADER_ROLE = keccak256("UPGRADER_ROLE"); // Registries bytes32 constant AGENT_ADMIN_ROLE = keccak256("AGENT_ADMIN_ROLE"); bytes32 constant SCANNER_ADMIN_ROLE = keccak256("SCANNER_ADMIN_ROLE"); bytes32 constant SCANNER_POOL_ADMIN_ROLE = keccak256("SCANNER_POOL_ADMIN_ROLE"); bytes32 constant SCANNER_2_SCANNER_POOL_MIGRATOR_ROLE = keccak256("SCANNER_2_SCANNER_POOL_MIGRATOR_ROLE"); bytes32 constant DISPATCHER_ROLE = keccak256("DISPATCHER_ROLE"); bytes32 constant MIGRATION_EXECUTOR_ROLE = keccak256("MIGRATION_EXECUTOR_ROLE"); // Staking bytes32 constant SLASHER_ROLE = keccak256("SLASHER_ROLE"); bytes32 constant SWEEPER_ROLE = keccak256("SWEEPER_ROLE"); bytes32 constant REWARDER_ROLE = keccak256("REWARDER_ROLE"); bytes32 constant SLASHING_ARBITER_ROLE = keccak256("SLASHING_ARBITER_ROLE"); bytes32 constant STAKING_CONTRACT_ROLE = keccak256("STAKING_CONTRACT_ROLE"); bytes32 constant STAKING_ADMIN_ROLE = keccak256("STAKING_ADMIN_ROLE"); bytes32 constant ALLOCATOR_CONTRACT_ROLE = keccak256("ALLOCATOR_CONTRACT_ROLE"); // Scanner Node Version bytes32 constant SCANNER_VERSION_ROLE = keccak256("SCANNER_VERSION_ROLE"); bytes32 constant SCANNER_BETA_VERSION_ROLE = keccak256("SCANNER_BETA_VERSION_ROLE");
// SPDX-License-Identifier: UNLICENSED // See Forta Network License: https://github.com/forta-network/forta-contracts/blob/master/LICENSE.md pragma solidity ^0.8.9; interface IVersioned { function version() external returns(string memory v); }
// SPDX-License-Identifier: UNLICENSED // See Forta Network License: https://github.com/forta-network/forta-contracts/blob/master/LICENSE.md pragma solidity ^0.8.9; import { ENS } from "@ensdomains/ens-contracts/contracts/registry/ENS.sol"; interface IReverseRegistrar { function ADDR_REVERSE_NODE() external view returns (bytes32); function ens() external view returns (ENS); function defaultResolver() external view returns (address); function claim(address) external returns (bytes32); function claimWithResolver(address, address) external returns (bytes32); function setName(string calldata) external returns (bytes32); function node(address) external pure returns (bytes32); } library ENSReverseRegistration { // namehash('addr.reverse') bytes32 internal constant ADDR_REVERSE_NODE = 0x91d1777781884d03a6757a803996e38de2a42967fb37eeaca72729271025a9e2; function setName(address ensregistry, string calldata ensname) internal { IReverseRegistrar(ENS(ensregistry).owner(ADDR_REVERSE_NODE)).setName(ensname); } }
// SPDX-License-Identifier: UNLICENSED // See Forta Network License: https://github.com/forta-network/forta-contracts/blob/master/LICENSE.md pragma solidity ^0.8.9; import "@openzeppelin/contracts/access/IAccessControl.sol"; import "@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/utils/introspection/ERC165CheckerUpgradeable.sol"; import "../Roles.sol"; import "../../errors/GeneralErrors.sol"; abstract contract AccessManagedUpgradeable is ContextUpgradeable { using ERC165CheckerUpgradeable for address; IAccessControl private _accessControl; event AccessManagerUpdated(address indexed newAddressManager); error MissingRole(bytes32 role, address account); /** * @notice Checks if _msgSender() has `role`, reverts if not. * @param role the role to be tested, defined in Roles.sol and set in AccessManager instance. */ modifier onlyRole(bytes32 role) { if (!hasRole(role, _msgSender())) { revert MissingRole(role, _msgSender()); } _; } /** * @notice Initializer method, access point to initialize inheritance tree. * @param manager address of AccessManager. */ function __AccessManaged_init(address manager) internal initializer { if (!manager.supportsInterface(type(IAccessControl).interfaceId)) revert UnsupportedInterface("IAccessControl"); _accessControl = IAccessControl(manager); emit AccessManagerUpdated(manager); } /** * @notice Checks if `account has `role` assigned. * @param role the role to be tested, defined in Roles.sol and set in AccessManager instance. * @param account the address to be tested for the role. * @return return true if account has role, false otherwise. */ function hasRole(bytes32 role, address account) internal view returns (bool) { return _accessControl.hasRole(role, account); } /** * @notice Sets AccessManager instance. Restricted to DEFAULT_ADMIN_ROLE * @param newManager address of the new instance of AccessManager. */ function setAccessManager(address newManager) public onlyRole(DEFAULT_ADMIN_ROLE) { if (!newManager.supportsInterface(type(IAccessControl).interfaceId)) revert UnsupportedInterface("IAccessControl"); _accessControl = IAccessControl(newManager); emit AccessManagerUpdated(newManager); } /** * 50 * - 1 _accessControl; * -------------------------- * 49 __gap */ uint256[49] private __gap; }
// SPDX-License-Identifier: UNLICENSED // See Forta Network License: https://github.com/forta-network/forta-contracts/blob/master/LICENSE.md pragma solidity ^0.8.9; import "./AccessManaged.sol"; /** * Since Router is deprecated, we are keeping RoutedUpgradeable in this state to preserve storage * layout in deployed `BaseComponentUpgradeable` contracts. */ abstract contract RoutedUpgradeable is AccessManagedUpgradeable { /// @custom:oz-retyped-from contract IRouter /// @custom:oz-renamed-from _router address private _deprecated_router; event RouterUpdated(address indexed router); /// Sets Router instance to address(0). function disableRouter() public { if (_deprecated_router == address(0)) { revert ZeroAddress("_deprecated_router"); } _deprecated_router = address(0); emit RouterUpdated(address(0)); } /** * 50 * - 1 _deprecated_router; * -------------------------- * 49 __gap */ uint256[49] private __gap; }
// SPDX-License-Identifier: UNLICENSED // See Forta Network License: https://github.com/forta-network/forta-contracts/blob/master/LICENSE.md pragma solidity ^0.8.9; import "@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol"; abstract contract ForwardedContext is ContextUpgradeable { /// @custom:oz-upgrades-unsafe-allow state-variable-immutable address private immutable _trustedForwarder; uint256 private constant ADDRESS_SIZE_BYTES = 20; /// @custom:oz-upgrades-unsafe-allow constructor constructor(address trustedForwarder) { // WARNING: do not set this address to other than a deployed Forwarder instance. // Forwarder is critical infrastructure with priviledged address, it is safe for the limited // functionality of the Forwarder contract, any other EOA or contract could be a security issue. _trustedForwarder = trustedForwarder; } /// Checks if `forwarder` address provided is the trustedForwarder set in the constructor. function isTrustedForwarder(address forwarder) public view virtual returns (bool) { return forwarder == _trustedForwarder; } /** * @notice Gets sender of the transaction of signer if meta transaction. * @dev If the tx is sent by the trusted forwarded, we assume it is a meta transaction and * the signer address is encoded in the last 20 bytes of msg.data. * @return sender address of sender of the transaction of signer if meta transaction. */ function _msgSender() internal view virtual override returns (address sender) { if (isTrustedForwarder(msg.sender)) { return address(bytes20(msg.data[msg.data.length - ADDRESS_SIZE_BYTES: msg.data.length])); } else { return super._msgSender(); } } /** * @notice Gets msg.data of the transaction or meta-tx. * @dev If the tx is sent by the trusted forwarded, we assume it is a meta transaction and * msg.data must have the signer address (encoded in the last 20 bytes of msg.data) removed. * @return msg.data of the transaction of msg.data - signer address if meta transaction. */ function _msgData() internal view virtual override returns (bytes calldata) { if (isTrustedForwarder(msg.sender)) { return msg.data[:msg.data.length - ADDRESS_SIZE_BYTES]; } else { return super._msgData(); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (utils/Multicall.sol) pragma solidity ^0.8.0; import "./Address.sol"; /** * @dev Provides a function to batch together multiple calls in a single external call. * * _Available since v4.1._ */ abstract contract Multicall { /** * @dev Receives and executes a batch of function calls on this contract. */ function multicall(bytes[] calldata data) external virtual returns (bytes[] memory results) { results = new bytes[](data.length); for (uint256 i = 0; i < data.length; i++) { results[i] = Address.functionDelegateCall(address(this), data[i]); } return results; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (proxy/utils/UUPSUpgradeable.sol) pragma solidity ^0.8.0; import "../../interfaces/draft-IERC1822Upgradeable.sol"; import "../ERC1967/ERC1967UpgradeUpgradeable.sol"; import "./Initializable.sol"; /** * @dev An upgradeability mechanism designed for UUPS proxies. The functions included here can perform an upgrade of an * {ERC1967Proxy}, when this contract is set as the implementation behind such a proxy. * * A security mechanism ensures that an upgrade does not turn off upgradeability accidentally, although this risk is * reinstated if the upgrade retains upgradeability but removes the security mechanism, e.g. by replacing * `UUPSUpgradeable` with a custom implementation of upgrades. * * The {_authorizeUpgrade} function must be overridden to include access restriction to the upgrade mechanism. * * _Available since v4.1._ */ abstract contract UUPSUpgradeable is Initializable, IERC1822ProxiableUpgradeable, ERC1967UpgradeUpgradeable { function __UUPSUpgradeable_init() internal onlyInitializing { } function __UUPSUpgradeable_init_unchained() internal onlyInitializing { } /// @custom:oz-upgrades-unsafe-allow state-variable-immutable state-variable-assignment address private immutable __self = address(this); /** * @dev Check that the execution is being performed through a delegatecall call and that the execution context is * a proxy contract with an implementation (as defined in ERC1967) pointing to self. This should only be the case * for UUPS and transparent proxies that are using the current contract as their implementation. Execution of a * function through ERC1167 minimal proxies (clones) would not normally pass this test, but is not guaranteed to * fail. */ modifier onlyProxy() { require(address(this) != __self, "Function must be called through delegatecall"); require(_getImplementation() == __self, "Function must be called through active proxy"); _; } /** * @dev Check that the execution is not being performed through a delegate call. This allows a function to be * callable on the implementing contract but not through proxies. */ modifier notDelegated() { require(address(this) == __self, "UUPSUpgradeable: must not be called through delegatecall"); _; } /** * @dev Implementation of the ERC1822 {proxiableUUID} function. This returns the storage slot used by the * implementation. It is used to validate that the this implementation remains valid after an upgrade. * * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this * function revert if invoked through a proxy. This is guaranteed by the `notDelegated` modifier. */ function proxiableUUID() external view virtual override notDelegated returns (bytes32) { return _IMPLEMENTATION_SLOT; } /** * @dev Upgrade the implementation of the proxy to `newImplementation`. * * Calls {_authorizeUpgrade}. * * Emits an {Upgraded} event. */ function upgradeTo(address newImplementation) external virtual onlyProxy { _authorizeUpgrade(newImplementation); _upgradeToAndCallUUPS(newImplementation, new bytes(0), false); } /** * @dev Upgrade the implementation of the proxy to `newImplementation`, and subsequently execute the function call * encoded in `data`. * * Calls {_authorizeUpgrade}. * * Emits an {Upgraded} event. */ function upgradeToAndCall(address newImplementation, bytes memory data) external payable virtual onlyProxy { _authorizeUpgrade(newImplementation); _upgradeToAndCallUUPS(newImplementation, data, true); } /** * @dev Function that should revert when `msg.sender` is not authorized to upgrade the contract. Called by * {upgradeTo} and {upgradeToAndCall}. * * Normally, this function will use an xref:access.adoc[access control] modifier such as {Ownable-onlyOwner}. * * ```solidity * function _authorizeUpgrade(address) internal override onlyOwner {} * ``` */ function _authorizeUpgrade(address newImplementation) internal virtual; /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[50] private __gap; }
pragma solidity >=0.8.4; interface ENS { // Logged when the owner of a node assigns a new owner to a subnode. event NewOwner(bytes32 indexed node, bytes32 indexed label, address owner); // Logged when the owner of a node transfers ownership to a new account. event Transfer(bytes32 indexed node, address owner); // Logged when the resolver for a node changes. event NewResolver(bytes32 indexed node, address resolver); // Logged when the TTL of a node changes event NewTTL(bytes32 indexed node, uint64 ttl); // Logged when an operator is added or removed. event ApprovalForAll(address indexed owner, address indexed operator, bool approved); function setRecord(bytes32 node, address owner, address resolver, uint64 ttl) external virtual; function setSubnodeRecord(bytes32 node, bytes32 label, address owner, address resolver, uint64 ttl) external virtual; function setSubnodeOwner(bytes32 node, bytes32 label, address owner) external virtual returns(bytes32); function setResolver(bytes32 node, address resolver) external virtual; function setOwner(bytes32 node, address owner) external virtual; function setTTL(bytes32 node, uint64 ttl) external virtual; function setApprovalForAll(address operator, bool approved) external virtual; function owner(bytes32 node) external virtual view returns (address); function resolver(bytes32 node) external virtual view returns (address); function ttl(bytes32 node) external virtual view returns (uint64); function recordExists(bytes32 node) external virtual view returns (bool); function isApprovedForAll(address owner, address operator) external virtual view returns (bool); }
// SPDX-License-Identifier: UNLICENSED // See Forta Network License: https://github.com/forta-network/forta-contracts/blob/master/LICENSE.md pragma solidity ^0.8.9; error ZeroAddress(string name); error ZeroAmount(string name); error EmptyArray(string name); error EmptyString(string name); error UnorderedArray(string name); error DifferentLengthArray(string array1, string array2); error ArrayTooBig(uint256 length, uint256 max); error StringTooLarge(uint256 length, uint256 max); error AmountTooLarge(uint256 amount, uint256 max); error AmountTooSmall(uint256 amount, uint256 min); error UnsupportedInterface(string name); error SenderNotOwner(address sender, uint256 ownedId); error DoesNotHaveAccess(address sender, string access); // Permission here refers to XXXRegistry.sol Permission enums error DoesNotHavePermission(address sender, uint8 permission, uint256 id);
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; import "../proxy/utils/Initializable.sol"; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract ContextUpgradeable is Initializable { function __Context_init() internal onlyInitializing { } function __Context_init_unchained() internal onlyInitializing { } function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[50] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol) pragma solidity ^0.8.0; /** * @dev External interface of AccessControl declared to support ERC165 detection. */ interface IAccessControl { /** * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole` * * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite * {RoleAdminChanged} not being emitted signaling this. * * _Available since v3.1._ */ event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole); /** * @dev Emitted when `account` is granted `role`. * * `sender` is the account that originated the contract call, an admin role * bearer except when using {AccessControl-_setupRole}. */ event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Emitted when `account` is revoked `role`. * * `sender` is the account that originated the contract call: * - if using `revokeRole`, it is the admin role bearer * - if using `renounceRole`, it is the role bearer (i.e. `account`) */ event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) external view returns (bool); /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {AccessControl-_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) external view returns (bytes32); /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function grantRole(bytes32 role, address account) external; /** * @dev Revokes `role` from `account`. * * If `account` had been granted `role`, emits a {RoleRevoked} event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function revokeRole(bytes32 role, address account) external; /** * @dev Revokes `role` from the calling account. * * Roles are often managed via {grantRole} and {revokeRole}: this function's * purpose is to provide a mechanism for accounts to lose their privileges * if they are compromised (such as when a trusted device is misplaced). * * If the calling account had been granted `role`, emits a {RoleRevoked} * event. * * Requirements: * * - the caller must be `account`. */ function renounceRole(bytes32 role, address account) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165Checker.sol) pragma solidity ^0.8.0; import "./IERC165Upgradeable.sol"; /** * @dev Library used to query support of an interface declared via {IERC165}. * * Note that these functions return the actual result of the query: they do not * `revert` if an interface is not supported. It is up to the caller to decide * what to do in these cases. */ library ERC165CheckerUpgradeable { // As per the EIP-165 spec, no interface should ever match 0xffffffff bytes4 private constant _INTERFACE_ID_INVALID = 0xffffffff; /** * @dev Returns true if `account` supports the {IERC165} interface, */ function supportsERC165(address account) internal view returns (bool) { // Any contract that implements ERC165 must explicitly indicate support of // InterfaceId_ERC165 and explicitly indicate non-support of InterfaceId_Invalid return _supportsERC165Interface(account, type(IERC165Upgradeable).interfaceId) && !_supportsERC165Interface(account, _INTERFACE_ID_INVALID); } /** * @dev Returns true if `account` supports the interface defined by * `interfaceId`. Support for {IERC165} itself is queried automatically. * * See {IERC165-supportsInterface}. */ function supportsInterface(address account, bytes4 interfaceId) internal view returns (bool) { // query support of both ERC165 as per the spec and support of _interfaceId return supportsERC165(account) && _supportsERC165Interface(account, interfaceId); } /** * @dev Returns a boolean array where each value corresponds to the * interfaces passed in and whether they're supported or not. This allows * you to batch check interfaces for a contract where your expectation * is that some interfaces may not be supported. * * See {IERC165-supportsInterface}. * * _Available since v3.4._ */ function getSupportedInterfaces(address account, bytes4[] memory interfaceIds) internal view returns (bool[] memory) { // an array of booleans corresponding to interfaceIds and whether they're supported or not bool[] memory interfaceIdsSupported = new bool[](interfaceIds.length); // query support of ERC165 itself if (supportsERC165(account)) { // query support of each interface in interfaceIds for (uint256 i = 0; i < interfaceIds.length; i++) { interfaceIdsSupported[i] = _supportsERC165Interface(account, interfaceIds[i]); } } return interfaceIdsSupported; } /** * @dev Returns true if `account` supports all the interfaces defined in * `interfaceIds`. Support for {IERC165} itself is queried automatically. * * Batch-querying can lead to gas savings by skipping repeated checks for * {IERC165} support. * * See {IERC165-supportsInterface}. */ function supportsAllInterfaces(address account, bytes4[] memory interfaceIds) internal view returns (bool) { // query support of ERC165 itself if (!supportsERC165(account)) { return false; } // query support of each interface in _interfaceIds for (uint256 i = 0; i < interfaceIds.length; i++) { if (!_supportsERC165Interface(account, interfaceIds[i])) { return false; } } // all interfaces supported return true; } /** * @notice Query if a contract implements an interface, does not check ERC165 support * @param account The address of the contract to query for support of an interface * @param interfaceId The interface identifier, as specified in ERC-165 * @return true if the contract at account indicates support of the interface with * identifier interfaceId, false otherwise * @dev Assumes that account contains a contract that supports ERC165, otherwise * the behavior of this method is undefined. This precondition can be checked * with {supportsERC165}. * Interface identification is specified in ERC-165. */ function _supportsERC165Interface(address account, bytes4 interfaceId) private view returns (bool) { bytes memory encodedParams = abi.encodeWithSelector(IERC165Upgradeable.supportsInterface.selector, interfaceId); (bool success, bytes memory result) = account.staticcall{gas: 30000}(encodedParams); if (result.length < 32) return false; return success && abi.decode(result, (bool)); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (proxy/utils/Initializable.sol) pragma solidity ^0.8.2; import "../../utils/AddressUpgradeable.sol"; /** * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect. * * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be * reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in * case an upgrade adds a module that needs to be initialized. * * For example: * * [.hljs-theme-light.nopadding] * ``` * contract MyToken is ERC20Upgradeable { * function initialize() initializer public { * __ERC20_init("MyToken", "MTK"); * } * } * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable { * function initializeV2() reinitializer(2) public { * __ERC20Permit_init("MyToken"); * } * } * ``` * * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}. * * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity. * * [CAUTION] * ==== * Avoid leaving a contract uninitialized. * * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed: * * [.hljs-theme-light.nopadding] * ``` * /// @custom:oz-upgrades-unsafe-allow constructor * constructor() { * _disableInitializers(); * } * ``` * ==== */ abstract contract Initializable { /** * @dev Indicates that the contract has been initialized. * @custom:oz-retyped-from bool */ uint8 private _initialized; /** * @dev Indicates that the contract is in the process of being initialized. */ bool private _initializing; /** * @dev Triggered when the contract has been initialized or reinitialized. */ event Initialized(uint8 version); /** * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope, * `onlyInitializing` functions can be used to initialize parent contracts. Equivalent to `reinitializer(1)`. */ modifier initializer() { bool isTopLevelCall = !_initializing; require( (isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1), "Initializable: contract is already initialized" ); _initialized = 1; if (isTopLevelCall) { _initializing = true; } _; if (isTopLevelCall) { _initializing = false; emit Initialized(1); } } /** * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be * used to initialize parent contracts. * * `initializer` is equivalent to `reinitializer(1)`, so a reinitializer may be used after the original * initialization step. This is essential to configure modules that are added through upgrades and that require * initialization. * * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in * a contract, executing them in the right order is up to the developer or operator. */ modifier reinitializer(uint8 version) { require(!_initializing && _initialized < version, "Initializable: contract is already initialized"); _initialized = version; _initializing = true; _; _initializing = false; emit Initialized(version); } /** * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the * {initializer} and {reinitializer} modifiers, directly or indirectly. */ modifier onlyInitializing() { require(_initializing, "Initializable: contract is not initializing"); _; } /** * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call. * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized * to any version. It is recommended to use this to lock implementation contracts that are designed to be called * through proxies. */ function _disableInitializers() internal virtual { require(!_initializing, "Initializable: contract is initializing"); if (_initialized < type(uint8).max) { _initialized = type(uint8).max; emit Initialized(type(uint8).max); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library AddressUpgradeable { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165Upgradeable { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (interfaces/draft-IERC1822.sol) pragma solidity ^0.8.0; /** * @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified * proxy whose upgrades are fully controlled by the current implementation. */ interface IERC1822ProxiableUpgradeable { /** * @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation * address. * * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this * function revert if invoked through a proxy. */ function proxiableUUID() external view returns (bytes32); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (proxy/ERC1967/ERC1967Upgrade.sol) pragma solidity ^0.8.2; import "../beacon/IBeaconUpgradeable.sol"; import "../../interfaces/draft-IERC1822Upgradeable.sol"; import "../../utils/AddressUpgradeable.sol"; import "../../utils/StorageSlotUpgradeable.sol"; import "../utils/Initializable.sol"; /** * @dev This abstract contract provides getters and event emitting update functions for * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots. * * _Available since v4.1._ * * @custom:oz-upgrades-unsafe-allow delegatecall */ abstract contract ERC1967UpgradeUpgradeable is Initializable { function __ERC1967Upgrade_init() internal onlyInitializing { } function __ERC1967Upgrade_init_unchained() internal onlyInitializing { } // This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1 bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143; /** * @dev Storage slot with the address of the current implementation. * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is * validated in the constructor. */ bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; /** * @dev Emitted when the implementation is upgraded. */ event Upgraded(address indexed implementation); /** * @dev Returns the current implementation address. */ function _getImplementation() internal view returns (address) { return StorageSlotUpgradeable.getAddressSlot(_IMPLEMENTATION_SLOT).value; } /** * @dev Stores a new address in the EIP1967 implementation slot. */ function _setImplementation(address newImplementation) private { require(AddressUpgradeable.isContract(newImplementation), "ERC1967: new implementation is not a contract"); StorageSlotUpgradeable.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation; } /** * @dev Perform implementation upgrade * * Emits an {Upgraded} event. */ function _upgradeTo(address newImplementation) internal { _setImplementation(newImplementation); emit Upgraded(newImplementation); } /** * @dev Perform implementation upgrade with additional setup call. * * Emits an {Upgraded} event. */ function _upgradeToAndCall( address newImplementation, bytes memory data, bool forceCall ) internal { _upgradeTo(newImplementation); if (data.length > 0 || forceCall) { _functionDelegateCall(newImplementation, data); } } /** * @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call. * * Emits an {Upgraded} event. */ function _upgradeToAndCallUUPS( address newImplementation, bytes memory data, bool forceCall ) internal { // Upgrades from old implementations will perform a rollback test. This test requires the new // implementation to upgrade back to the old, non-ERC1822 compliant, implementation. Removing // this special case will break upgrade paths from old UUPS implementation to new ones. if (StorageSlotUpgradeable.getBooleanSlot(_ROLLBACK_SLOT).value) { _setImplementation(newImplementation); } else { try IERC1822ProxiableUpgradeable(newImplementation).proxiableUUID() returns (bytes32 slot) { require(slot == _IMPLEMENTATION_SLOT, "ERC1967Upgrade: unsupported proxiableUUID"); } catch { revert("ERC1967Upgrade: new implementation is not UUPS"); } _upgradeToAndCall(newImplementation, data, forceCall); } } /** * @dev Storage slot with the admin of the contract. * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is * validated in the constructor. */ bytes32 internal constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103; /** * @dev Emitted when the admin account has changed. */ event AdminChanged(address previousAdmin, address newAdmin); /** * @dev Returns the current admin. */ function _getAdmin() internal view returns (address) { return StorageSlotUpgradeable.getAddressSlot(_ADMIN_SLOT).value; } /** * @dev Stores a new address in the EIP1967 admin slot. */ function _setAdmin(address newAdmin) private { require(newAdmin != address(0), "ERC1967: new admin is the zero address"); StorageSlotUpgradeable.getAddressSlot(_ADMIN_SLOT).value = newAdmin; } /** * @dev Changes the admin of the proxy. * * Emits an {AdminChanged} event. */ function _changeAdmin(address newAdmin) internal { emit AdminChanged(_getAdmin(), newAdmin); _setAdmin(newAdmin); } /** * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy. * This is bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor. */ bytes32 internal constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50; /** * @dev Emitted when the beacon is upgraded. */ event BeaconUpgraded(address indexed beacon); /** * @dev Returns the current beacon. */ function _getBeacon() internal view returns (address) { return StorageSlotUpgradeable.getAddressSlot(_BEACON_SLOT).value; } /** * @dev Stores a new beacon in the EIP1967 beacon slot. */ function _setBeacon(address newBeacon) private { require(AddressUpgradeable.isContract(newBeacon), "ERC1967: new beacon is not a contract"); require( AddressUpgradeable.isContract(IBeaconUpgradeable(newBeacon).implementation()), "ERC1967: beacon implementation is not a contract" ); StorageSlotUpgradeable.getAddressSlot(_BEACON_SLOT).value = newBeacon; } /** * @dev Perform beacon upgrade with additional setup call. Note: This upgrades the address of the beacon, it does * not upgrade the implementation contained in the beacon (see {UpgradeableBeacon-_setImplementation} for that). * * Emits a {BeaconUpgraded} event. */ function _upgradeBeaconToAndCall( address newBeacon, bytes memory data, bool forceCall ) internal { _setBeacon(newBeacon); emit BeaconUpgraded(newBeacon); if (data.length > 0 || forceCall) { _functionDelegateCall(IBeaconUpgradeable(newBeacon).implementation(), data); } } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function _functionDelegateCall(address target, bytes memory data) private returns (bytes memory) { require(AddressUpgradeable.isContract(target), "Address: delegate call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.delegatecall(data); return AddressUpgradeable.verifyCallResult(success, returndata, "Address: low-level delegate call failed"); } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[50] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/StorageSlot.sol) pragma solidity ^0.8.0; /** * @dev Library for reading and writing primitive types to specific storage slots. * * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts. * This library helps with reading and writing to such slots without the need for inline assembly. * * The functions in this library return Slot structs that contain a `value` member that can be used to read or write. * * Example usage to set ERC1967 implementation slot: * ``` * contract ERC1967 { * bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; * * function _getImplementation() internal view returns (address) { * return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value; * } * * function _setImplementation(address newImplementation) internal { * require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract"); * StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation; * } * } * ``` * * _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._ */ library StorageSlotUpgradeable { struct AddressSlot { address value; } struct BooleanSlot { bool value; } struct Bytes32Slot { bytes32 value; } struct Uint256Slot { uint256 value; } /** * @dev Returns an `AddressSlot` with member `value` located at `slot`. */ function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `BooleanSlot` with member `value` located at `slot`. */ function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `Bytes32Slot` with member `value` located at `slot`. */ function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `Uint256Slot` with member `value` located at `slot`. */ function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (proxy/beacon/IBeacon.sol) pragma solidity ^0.8.0; /** * @dev This is the interface that {BeaconProxy} expects of its beacon. */ interface IBeaconUpgradeable { /** * @dev Must return an address that can be used as a delegate call target. * * {BeaconProxy} will check that this address is a contract. */ function implementation() external view returns (address); }
// SPDX-License-Identifier: UNLICENSED // See Forta Network License: https://github.com/forta-network/forta-contracts/blob/master/LICENSE.md pragma solidity ^0.8.9; import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol"; import "./ScannerPoolRegistryCore.sol"; abstract contract ScannerPoolRegistryManaged is ScannerPoolRegistryCore { using EnumerableSet for EnumerableSet.AddressSet; mapping(uint256 => EnumerableSet.AddressSet) private _managers; event ManagerEnabled(uint256 indexed scannerPoolId, address indexed manager, bool enabled); error SenderNotManager(address sender, uint256 scannerPoolId); /** * @notice Checks sender (or metatx signer) is manager of the scanner pool token. * @param scannerPoolId ERC721 token id of the ScannerPool */ modifier onlyManagerOf(uint256 scannerPoolId) { if (!isManager(scannerPoolId, _msgSender())) revert SenderNotManager(_msgSender(), scannerPoolId); _; } /** * @notice Checks if address is defined as a manager for a ScannerPool's registered Scanner Nodes. * @param scannerPoolId ERC721 token id of the ScannerPool * @param manager address to check. * @return true if defined as manager for ScannerPool, false otherwise. */ function isManager(uint256 scannerPoolId, address manager) public view returns (bool) { return _managers[scannerPoolId].contains(manager); } /** * @notice Gets total managers defined for a ScannerPool's registered Scanner Nodes. * @dev helper for external iteration. * @param scannerPoolId ERC721 token id of the ScannerPool * @return total managers defined for a ScannerPool. */ function getManagerCount(uint256 scannerPoolId) public view virtual returns (uint256) { return _managers[scannerPoolId].length(); } /** * @notice Gets manager address at certain position of the ScannerPool's registered Scanner Nodes. * @dev helper for external iteration. * @param scannerPoolId ERC721 token id of the ScannerPool * @param index position in the set. * @return address of the manager at index. */ function getManagerAt(uint256 scannerPoolId, uint256 index) public view virtual returns (address) { return _managers[scannerPoolId].at(index); } /** * @notice Adds or removes a manager to a certain ScannerPool's registered Scanner Nodes. Restricted to ScannerPoolRegistry owner. * @param scannerPoolId ERC721 token id of the ScannerPool * @param manager address to be added or removed from manager list for the ScannerPool. * @param enable true for adding, false for removing. */ function setManager(uint256 scannerPoolId, address manager, bool enable) public onlyScannerPool(scannerPoolId) { if (enable) { _managers[scannerPoolId].add(manager); } else { _managers[scannerPoolId].remove(manager); } emit ManagerEnabled(scannerPoolId, manager, enable); } function _canSetEnableState(address scanner) internal virtual override view returns (bool) { return super._canSetEnableState(scanner) || isManager(_scannerNodes[scanner].scannerPoolId, _msgSender()); } /** * 50 * - 1 _managers * -------------------------- * 49 __gap */ uint256[49] private __gap; }
// SPDX-License-Identifier: UNLICENSED // See Forta Network License: https://github.com/forta-network/forta-contracts/blob/master/LICENSE.md pragma solidity ^0.8.9; import "../BaseComponentUpgradeable.sol"; import "../staking/allocation/IStakeAllocator.sol"; import "../staking/stake_subjects/DelegatedStakeSubject.sol"; import "../../errors/GeneralErrors.sol"; import "@openzeppelin/contracts/utils/math/Math.sol"; import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol"; import "@openzeppelin/contracts-upgradeable/token/ERC721/ERC721Upgradeable.sol"; import "@openzeppelin/contracts-upgradeable/token/ERC721/extensions/ERC721EnumerableUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/utils/CountersUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/utils/cryptography/draft-EIP712Upgradeable.sol"; import "@openzeppelin/contracts-upgradeable/utils/cryptography/SignatureCheckerUpgradeable.sol"; abstract contract ScannerPoolRegistryCore is BaseComponentUpgradeable, ERC721Upgradeable, ERC721EnumerableUpgradeable, DelegatedStakeSubjectUpgradeable, EIP712Upgradeable { using CountersUpgradeable for CountersUpgradeable.Counter; using EnumerableSet for EnumerableSet.AddressSet; struct ScannerNode { bool registered; bool disabled; uint256 scannerPoolId; uint256 chainId; string metadata; } struct ScannerNodeRegistration { address scanner; uint256 scannerPoolId; uint256 chainId; string metadata; uint256 timestamp; } bytes32 private constant _SCANNERNODEREGISTRATION_TYPEHASH = keccak256("ScannerNodeRegistration(address scanner,uint256 scannerPoolId,uint256 chainId,string metadata,uint256 timestamp)"); /// @custom:oz-upgrades-unsafe-allow state-variable-immutable IStakeAllocator private immutable _stakeAllocator; /// scannerPoolIds is a sequential autoincremented uint CountersUpgradeable.Counter private _scannerPoolIdCounter; /// ScannerNode data for each scanner address; mapping(address => ScannerNode) internal _scannerNodes; /// Set of Scanner Node addresses each scannerPoolId owns; mapping(uint256 => EnumerableSet.AddressSet) private _scannerNodeOwnership; /// Count of enabled scanners per scannerPoolId (scannerPoolId => total Enabled Scanners) mapping(uint256 => uint256) private _enabledScanners; /// StakeThreshold of ScannerPools mapping(uint256 => StakeThreshold) private _scannerStakeThresholds; /// scannerPoolId => chainId. Limitation necessary to calculate stake allocations. mapping(uint256 => uint256) private _scannerPoolChainId; /// Maximum amount of time allowed from scanner signing a ScannerNodeRegistration and its execution by ScannerPool uint256 public registrationDelay; event ScannerUpdated(uint256 indexed scannerId, uint256 indexed chainId, string metadata, uint256 scannerPool); event ManagedStakeThresholdChanged(uint256 indexed chainId, uint256 min, uint256 max, bool activated); event RegistrationDelaySet(uint256 delay); // TODO: discuss with the dev team if it breaks compatibility to change 'enabled' too 'operational' event ScannerEnabled(uint256 indexed scannerId, bool indexed enabled, address sender, bool disableFlag); event EnabledScannersChanged(uint256 indexed scannerPoolId, uint256 enabledScanners); event ScannerPoolRegistered(uint256 indexed scannerPoolId, uint256 indexed chainId); error ScannerPoolNotRegistered(uint256 scannerPoolId); error ScannerExists(address scanner); error ScannerNotRegistered(address scanner); error PublicRegistrationDisabled(uint256 chainId); error RegisteringTooLate(); error SignatureDoesNotMatch(); error CannotSetScannerActivation(); error SenderNotScannerPool(address sender, uint256 scannerPoolId); error ChainIdMismatch(uint256 expected, uint256 provided); error ActionShutsDownPool(); /** * @notice Checks sender (or metatx signer) is owner of the ScannerPoolRegistry ERC721 with ID scannerPoolId. * @param scannerPoolId ERC721 token id of the ScannerPool. */ modifier onlyScannerPool(uint256 scannerPoolId) { if (_msgSender() != ownerOf(scannerPoolId)) revert SenderNotScannerPool(_msgSender(), scannerPoolId); _; } modifier onlyRegisteredScanner(address scanner) { if (!isScannerRegistered(scanner)) revert ScannerNotRegistered(scanner); _; } /// @custom:oz-upgrades-unsafe-allow constructor constructor(address __stakeAllocator) { if (__stakeAllocator == address(0)) revert ZeroAddress("__stakeAllocator"); _stakeAllocator = IStakeAllocator(__stakeAllocator); } /** * @notice Initializer method * @param __name ERC721 token name. * @param __symbol ERC721 token symbol. * @param __stakeSubjectGateway address of StakeSubjectGateway * @param __registrationDelay amount of time allowed from scanner signing a ScannerNodeRegistration and it's execution by ScannerPool */ function __ScannerPoolRegistryCore_init( string calldata __name, string calldata __symbol, address __stakeSubjectGateway, uint256 __registrationDelay ) internal initializer { __ERC721_init(__name, __symbol); __ERC721Enumerable_init(); __EIP712_init("ScannerPoolRegistry", "1"); __StakeSubjectUpgradeable_init(__stakeSubjectGateway); _setRegistrationDelay(__registrationDelay); } // ************* ScannerPool Ownership ************* /** * @notice Checks if scannerPoolId has been registered (minted). * @param scannerPoolId ERC721 token id of the ScannerPool. * @return true if scannerPoolId exists, false otherwise. */ function isRegistered(uint256 scannerPoolId) public view override returns (bool) { return _exists(scannerPoolId); } /** * @notice mints a ScannerPoolRegistry ERC721 NFT to sender * Transferring ownership of a ScannerPoolRegistry NFT will transfer ownership of all its registered * Scanner Node addresses * @return scannerPoolId (autoincremented uint) */ function registerScannerPool(uint256 chainId) external returns (uint256 scannerPoolId) { return _registerScannerPool(_msgSender(), chainId); } function _registerScannerPool(address scannerPoolAddress, uint256 chainId) internal returns (uint256 scannerPoolId) { if (scannerPoolAddress == address(0)) revert ZeroAddress("scannerPoolAddress"); if (chainId == 0) revert ZeroAmount("chainId"); _scannerPoolIdCounter.increment(); scannerPoolId = _scannerPoolIdCounter.current(); _safeMint(scannerPoolAddress, scannerPoolId); _scannerPoolChainId[scannerPoolId] = chainId; emit ScannerPoolRegistered(scannerPoolId, chainId); return scannerPoolId; } function monitoredChainId(uint256 scannerPoolId) public view returns (uint256) { return _scannerPoolChainId[scannerPoolId]; } // ************* Scanner Ownership ************* /** * @notice Checks if scanner address has been registered * @param scanner address. * @return true if scanner is registered, false otherwise. */ function isScannerRegistered(address scanner) public view returns (bool) { return _scannerNodes[scanner].registered; } /** * @notice Checks if scanner address has been registered to a specific scannerPoolId * @param scanner address. * @param scannerPoolId ERC721 token id of the ScannerPool. * @return true if scanner is registered to scannerPoolId, false otherwise. */ function isScannerRegisteredTo(address scanner, uint256 scannerPoolId) public view returns (bool) { return _scannerNodeOwnership[scannerPoolId].contains(scanner); } /** * @notice Method to register a Scanner Node and associate it with a scannerPoolId. Before executing this method, * make sure to have enough FORT staked by the owner of the Scanner Pool to be allocated to the new scanner, * then register a scanner with Forta Scan Node CLI and obtain the parameters for this methods by executing forta auth. * Follow the instructions here https://docs.forta.network/en/latest/scanner-quickstart/ * This method will try to allocate stake from unallocated stake if necessary. * Individual ownership of a scaner node is not transferrable. * A scanner node can be disabled, but not unregistered * @param req ScannerNodeRegistration struct with the Scanner Node data. * @param signature ERC712 signature, result from signed req by the scanner. */ function registerScannerNode(ScannerNodeRegistration calldata req, bytes calldata signature) external onlyScannerPool(req.scannerPoolId) { if (req.timestamp + registrationDelay < block.timestamp) revert RegisteringTooLate(); if ( !SignatureCheckerUpgradeable.isValidSignatureNow( req.scanner, _hashTypedDataV4( keccak256(abi.encode(_SCANNERNODEREGISTRATION_TYPEHASH, req.scanner, req.scannerPoolId, req.chainId, keccak256(abi.encodePacked(req.metadata)), req.timestamp)) ), signature ) ) revert SignatureDoesNotMatch(); _registerScannerNode(req); // Not called inside _registerScannerNode because it would break registerMigratedScannerNode() _allocationOnAddedEnabledScanner(req.scannerPoolId); } /** * @notice Allocates unallocated stake if a there is a new scanner enabled on the pool and not enough allocated stake. * If there is not enough unallocated stake, the method will revert. * @dev this MUST be called after incrementing _enabledScanners * @param scannerPoolId ERC721 id of the node runner */ function _allocationOnAddedEnabledScanner(uint256 scannerPoolId) private { uint256 unallocatedStake = _stakeAllocator.unallocatedStakeFor(SCANNER_POOL_SUBJECT, scannerPoolId); uint256 allocatedStake = _stakeAllocator.allocatedStakeFor(SCANNER_POOL_SUBJECT, scannerPoolId); uint256 min = _scannerStakeThresholds[_scannerPoolChainId[scannerPoolId]].min; if (allocatedStake / _enabledScanners[scannerPoolId] > min) { return; } if ((unallocatedStake + allocatedStake) / _enabledScanners[scannerPoolId] < min) { revert ActionShutsDownPool(); } _stakeAllocator.allocateOwnStake(SCANNER_POOL_SUBJECT, scannerPoolId, unallocatedStake); } function _registerScannerNode(ScannerNodeRegistration calldata req) internal { if (isScannerRegistered(req.scanner)) revert ScannerExists(req.scanner); if (_scannerPoolChainId[req.scannerPoolId] != req.chainId) revert ChainIdMismatch(_scannerPoolChainId[req.scannerPoolId], req.chainId); _scannerNodes[req.scanner] = ScannerNode({ registered: true, disabled: false, scannerPoolId: req.scannerPoolId, chainId: req.chainId, metadata: req.metadata }); // It is safe to ignore add()'s returned bool, since isScannerRegistered() already checks for duplicates. !_scannerNodeOwnership[req.scannerPoolId].add(req.scanner); emit ScannerUpdated(scannerAddressToId(req.scanner), req.chainId, req.metadata, req.scannerPoolId); _addEnabledScanner(req.scannerPoolId); } /** * @notice Method to update a registered Scanner Node metadata string. Only the ScannerPool that owns the scanner can update. * @param scanner address. * @param metadata IPFS string pointing to Scanner Node metadata. */ function updateScannerMetadata(address scanner, string calldata metadata) external { if (!isScannerRegistered(scanner)) revert ScannerNotRegistered(scanner); // Not using onlyScannerPool(_scannerNodes[scanner].scannerPoolId) to improve error readability. // If the scanner is not registered, onlyOwner would be first and emit "ERC721: invalid token ID", which is too cryptic. if (_msgSender() != ownerOf(_scannerNodes[scanner].scannerPoolId)) { revert SenderNotScannerPool(_msgSender(), _scannerNodes[scanner].scannerPoolId); } _scannerNodes[scanner].metadata = metadata; emit ScannerUpdated(scannerAddressToId(scanner), _scannerNodes[scanner].chainId, metadata, _scannerNodes[scanner].scannerPoolId); } /** * @notice gets the amount of Scanner Nodes ever registered to a ScannerPool Id. * Useful for external iteration. * @param scannerPoolId ERC721 token id of the ScannerPool. */ function totalScannersRegistered(uint256 scannerPoolId) public view returns (uint256) { return _scannerNodeOwnership[scannerPoolId].length(); } /** * @notice gets the Scanner Node address at index registered to scannerPoolId * Useful for external iteration. * @param scannerPoolId ERC721 token id of the ScannerPool. * @param index of the registered Scanner Node. Must be lower than totalScannersRegistered(scannerPoolId) */ function registeredScannerAtIndex(uint256 scannerPoolId, uint256 index) external view returns (ScannerNode memory) { return _scannerNodes[_scannerNodeOwnership[scannerPoolId].at(index)]; } /** * @notice gets the Scanner Node data struct at index registered to scannerPoolId * Useful for external iteration. * @param scannerPoolId ERC721 token id of the ScannerPool. * @param index of the registered Scanner Node. Must be lower than totalScannersRegistered(scannerPoolId) */ function registeredScannerAddressAtIndex(uint256 scannerPoolId, uint256 index) external view returns (address) { return _scannerNodeOwnership[scannerPoolId].at(index); } // ************* Converters ************* /// Converts scanner address to uint256 for FortaStaking Token Id. function scannerAddressToId(address scanner) public pure returns (uint256) { return uint256(uint160(scanner)); } /// Converts FortaStaking uint256 id to address. function scannerIdToAddress(uint256 scannerId) public pure returns (address) { return address(uint160(scannerId)); } // ************* Scanner Disabling ************* /// Gets if the disabled flag has been set for a Scanner Node Address function isScannerDisabled(address scanner) public view returns (bool) { return _scannerNodes[scanner].disabled; } /** * @notice Checks if the Scanner Node is considered operational by the Forta Network, and is thus eligible for bot (Agent) assignment. * @param scanner address * @return true if: * - Scanner Node is registered AND * - Scanner Node's disabled flag is not set (is false) AND * - (Scanner Node has more than minimum stake allocated to it OR staking is not activated for the Scanner Node's chain) */ function isScannerOperational(address scanner) public view returns (bool) { ScannerNode storage node = _scannerNodes[scanner]; StakeThreshold storage stake = _scannerStakeThresholds[node.chainId]; return (node.registered && !node.disabled && (!stake.activated || _isScannerStakedOverMin(scanner)) && _exists(node.scannerPoolId)); } /// returns true if one more enabled scanner (or one registration) would put ALL scanners under min threshold, (not operational) function willNewScannerShutdownPool(uint256 scannerPoolId) public view returns (bool) { uint256 unallocatedStake = _stakeAllocator.unallocatedStakeFor(SCANNER_POOL_SUBJECT, scannerPoolId); uint256 allocatedStake = _stakeAllocator.allocatedStakeFor(SCANNER_POOL_SUBJECT, scannerPoolId); uint256 min = _scannerStakeThresholds[_scannerPoolChainId[scannerPoolId]].min; return (allocatedStake + unallocatedStake) / (_enabledScanners[scannerPoolId] + 1) < min; } /// Returns true if the owner of NodeRegistry (DELEGATED) has staked over min for scanner, false otherwise. function _isScannerStakedOverMin(address scanner) internal view returns (bool) { ScannerNode storage node = _scannerNodes[scanner]; StakeThreshold storage stake = _scannerStakeThresholds[node.chainId]; return _stakeAllocator.allocatedStakePerManaged(SCANNER_POOL_SUBJECT, node.scannerPoolId) >= stake.min; } /** * @notice Checks if sender or meta-tx sender is allowed to set disabled flag for a Scanner Node * @param scanner address * @return true if _msgSender() is the ScannerPool owning the Scanner or the Scanner Node itself */ function _canSetEnableState(address scanner) internal view virtual returns (bool) { return _msgSender() == scanner || ownerOf(_scannerNodes[scanner].scannerPoolId) == _msgSender(); } /** * @notice Sets Scanner Node disabled flag to false. * It's not possible to re-enable a Scanner Node if allocatedStake / enabled scanners < min. * If there is enough unallocated stake, this method will allocate it. If not, it will revert. * @param scanner address */ function enableScanner(address scanner) public onlyRegisteredScanner(scanner) { if (!_canSetEnableState(scanner)) revert CannotSetScannerActivation(); _addEnabledScanner(_scannerNodes[scanner].scannerPoolId); _allocationOnAddedEnabledScanner(_scannerNodes[scanner].scannerPoolId); _setScannerDisableFlag(scanner, false); } /** * @notice Sets Scanner Node disabled flag to true. This will result in the scanner unlinking from assigned bots (process happens off-chain * in Assigner software) and not being able to be linked to any bot until re-enabled. * @param scanner address */ function disableScanner(address scanner) public onlyRegisteredScanner(scanner) { if (!_canSetEnableState(scanner)) revert CannotSetScannerActivation(); _removeEnabledScanner(_scannerNodes[scanner].scannerPoolId); _setScannerDisableFlag(scanner, true); } function _setScannerDisableFlag(address scanner, bool value) internal { _scannerNodes[scanner].disabled = value; emit ScannerEnabled(scannerAddressToId(scanner), isScannerOperational(scanner), _msgSender(), value); } function _addEnabledScanner(uint256 scannerPoolId) private { _enabledScanners[scannerPoolId] += 1; emit EnabledScannersChanged(scannerPoolId, _enabledScanners[scannerPoolId]); } function _removeEnabledScanner(uint256 scannerPoolId) private { _enabledScanners[scannerPoolId] -= 1; emit EnabledScannersChanged(scannerPoolId, _enabledScanners[scannerPoolId]); } // ************* Scanner Getters ************* /// Gets ScannerNode struct for address function getScanner(address scanner) public view returns (ScannerNode memory) { return _scannerNodes[scanner]; } /// Gets ScannerNode data for address function getScannerState(address scanner) external view returns ( bool registered, address owner, uint256 chainId, string memory metadata, bool operational, bool disabled ) { ScannerNode memory scannerNode = getScanner(scanner); return ( scannerNode.registered, scannerNode.registered ? ownerOf(scannerNode.scannerPoolId) : address(0), scannerNode.chainId, scannerNode.metadata, isScannerOperational(scanner), scannerNode.disabled ); } // ************* DelegatedStakeSubjectUpgradeable ************* /** * @notice Sets stake parameters (min, max, activated) for scanners. Restricted to SCANNER_POOL_ADMIN_ROLE * @param newStakeThreshold struct with stake parameters. * @param chainId scanned chain the thresholds applies to. */ function setManagedStakeThreshold(StakeThreshold calldata newStakeThreshold, uint256 chainId) external onlyRole(SCANNER_POOL_ADMIN_ROLE) { if (chainId == 0) revert ZeroAmount("chainId"); if (newStakeThreshold.max <= newStakeThreshold.min) revert StakeThresholdMaxLessOrEqualMin(); emit ManagedStakeThresholdChanged(chainId, newStakeThreshold.min, newStakeThreshold.max, newStakeThreshold.activated); _scannerStakeThresholds[chainId] = newStakeThreshold; } /** * @notice Getter for StakeThreshold for the scanner with id `subject` */ function getManagedStakeThreshold(uint256 managedId) public view returns (StakeThreshold memory) { return _scannerStakeThresholds[_scannerPoolChainId[managedId]]; } /// Total scanners registered to a ScannerPool function getTotalManagedSubjects(uint256 subject) public view virtual override returns (uint256) { return _enabledScanners[subject]; } // ************* Privilege setters *************** /// Sets maximum delay between execution of forta auth in Scan Node CLI and execution of registerScanner() in this contract function setRegistrationDelay(uint256 delay) external onlyRole(SCANNER_POOL_ADMIN_ROLE) { _setRegistrationDelay(delay); } function _setRegistrationDelay(uint256 delay) internal { if (delay == 0) revert ZeroAmount("delay"); registrationDelay = delay; emit RegistrationDelaySet(delay); } // ************* Inheritance Overrides ************* function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal override(ERC721Upgradeable, ERC721EnumerableUpgradeable) { super._beforeTokenTransfer(from, to, tokenId); } function supportsInterface(bytes4 interfaceId) public view override(ERC721Upgradeable, ERC721EnumerableUpgradeable) returns (bool) { return super.supportsInterface(interfaceId); } /** * @notice Helper to get either msg msg.sender if not a meta transaction, signer of forwarder metatx if it is. * @inheritdoc ForwardedContext */ function _msgSender() internal view virtual override(BaseComponentUpgradeable, ContextUpgradeable) returns (address sender) { return super._msgSender(); } /** * @notice Helper to get msg.data if not a meta transaction, forwarder data in metatx if it is. * @inheritdoc ForwardedContext */ function _msgData() internal view virtual override(BaseComponentUpgradeable, ContextUpgradeable) returns (bytes calldata) { return super._msgData(); } /** * @notice disambiguation of ownerOf. * @inheritdoc ERC721Upgradeable */ function ownerOf(uint256 subject) public view virtual override(IStakeSubject, ERC721Upgradeable) returns (address) { return super.ownerOf(subject); } /** * 50 * - 5 DelegatedStakeSubjectUpgradeable (to match with older registries) * - 1 _scannerPoolIdCounter; * - 1 _scannerNodes; * - 1 _scannerNodeOwnership * - 1 _enabledScanners * - 1 _scannerStakeThresholds * - 1 _scannerPoolChainId * - 1 registrationDelay * -------------------------- * 38 __gap */ uint256[38] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/structs/EnumerableSet.sol) pragma solidity ^0.8.0; /** * @dev Library for managing * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive * types. * * Sets have the following properties: * * - Elements are added, removed, and checked for existence in constant time * (O(1)). * - Elements are enumerated in O(n). No guarantees are made on the ordering. * * ``` * contract Example { * // Add the library methods * using EnumerableSet for EnumerableSet.AddressSet; * * // Declare a set state variable * EnumerableSet.AddressSet private mySet; * } * ``` * * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`) * and `uint256` (`UintSet`) are supported. * * [WARNING] * ==== * Trying to delete such a structure from storage will likely result in data corruption, rendering the structure unusable. * See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info. * * In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an array of EnumerableSet. * ==== */ library EnumerableSet { // To implement this library for multiple types with as little code // repetition as possible, we write it in terms of a generic Set type with // bytes32 values. // The Set implementation uses private functions, and user-facing // implementations (such as AddressSet) are just wrappers around the // underlying Set. // This means that we can only create new EnumerableSets for types that fit // in bytes32. struct Set { // Storage of set values bytes32[] _values; // Position of the value in the `values` array, plus 1 because index 0 // means a value is not in the set. mapping(bytes32 => uint256) _indexes; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function _add(Set storage set, bytes32 value) private returns (bool) { if (!_contains(set, value)) { set._values.push(value); // The value is stored at length-1, but we add 1 to all indexes // and use 0 as a sentinel value set._indexes[value] = set._values.length; return true; } else { return false; } } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function _remove(Set storage set, bytes32 value) private returns (bool) { // We read and store the value's index to prevent multiple reads from the same storage slot uint256 valueIndex = set._indexes[value]; if (valueIndex != 0) { // Equivalent to contains(set, value) // To delete an element from the _values array in O(1), we swap the element to delete with the last one in // the array, and then remove the last element (sometimes called as 'swap and pop'). // This modifies the order of the array, as noted in {at}. uint256 toDeleteIndex = valueIndex - 1; uint256 lastIndex = set._values.length - 1; if (lastIndex != toDeleteIndex) { bytes32 lastValue = set._values[lastIndex]; // Move the last value to the index where the value to delete is set._values[toDeleteIndex] = lastValue; // Update the index for the moved value set._indexes[lastValue] = valueIndex; // Replace lastValue's index to valueIndex } // Delete the slot where the moved value was stored set._values.pop(); // Delete the index for the deleted slot delete set._indexes[value]; return true; } else { return false; } } /** * @dev Returns true if the value is in the set. O(1). */ function _contains(Set storage set, bytes32 value) private view returns (bool) { return set._indexes[value] != 0; } /** * @dev Returns the number of values on the set. O(1). */ function _length(Set storage set) private view returns (uint256) { return set._values.length; } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function _at(Set storage set, uint256 index) private view returns (bytes32) { return set._values[index]; } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function _values(Set storage set) private view returns (bytes32[] memory) { return set._values; } // Bytes32Set struct Bytes32Set { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(Bytes32Set storage set, bytes32 value) internal returns (bool) { return _add(set._inner, value); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) { return _remove(set._inner, value); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) { return _contains(set._inner, value); } /** * @dev Returns the number of values in the set. O(1). */ function length(Bytes32Set storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) { return _at(set._inner, index); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(Bytes32Set storage set) internal view returns (bytes32[] memory) { return _values(set._inner); } // AddressSet struct AddressSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(AddressSet storage set, address value) internal returns (bool) { return _add(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(AddressSet storage set, address value) internal returns (bool) { return _remove(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(AddressSet storage set, address value) internal view returns (bool) { return _contains(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Returns the number of values in the set. O(1). */ function length(AddressSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(AddressSet storage set, uint256 index) internal view returns (address) { return address(uint160(uint256(_at(set._inner, index)))); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(AddressSet storage set) internal view returns (address[] memory) { bytes32[] memory store = _values(set._inner); address[] memory result; /// @solidity memory-safe-assembly assembly { result := store } return result; } // UintSet struct UintSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(UintSet storage set, uint256 value) internal returns (bool) { return _add(set._inner, bytes32(value)); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(UintSet storage set, uint256 value) internal returns (bool) { return _remove(set._inner, bytes32(value)); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(UintSet storage set, uint256 value) internal view returns (bool) { return _contains(set._inner, bytes32(value)); } /** * @dev Returns the number of values on the set. O(1). */ function length(UintSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(UintSet storage set, uint256 index) internal view returns (uint256) { return uint256(_at(set._inner, index)); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(UintSet storage set) internal view returns (uint256[] memory) { bytes32[] memory store = _values(set._inner); uint256[] memory result; /// @solidity memory-safe-assembly assembly { result := store } return result; } }
// SPDX-License-Identifier: UNLICENSED // See Forta Network License: https://github.com/forta-network/forta-contracts/blob/master/LICENSE.md pragma solidity ^0.8.9; interface IStakeAllocator { function depositAllocation( uint256 activeSharesId, uint8 subjectType, uint256 subject, address allocator, uint256 stakeAmount, uint256 sharesAmount ) external; function withdrawAllocation( uint256 activeSharesId, uint8 subjectType, uint256 subject, address allocator, uint256 stakeAmount, uint256 sharesAmount ) external; function allocatedStakeFor(uint8 subjectType, uint256 subject) external view returns (uint256); function allocatedStakePerManaged(uint8 subjectType, uint256 subject) external view returns (uint256); function unallocatedStakeFor(uint8 subjectType, uint256 subject) external view returns (uint256); function allocateOwnStake(uint8 subjectType, uint256 subject, uint256 amount) external; function didTransferShares(uint256 sharesId, uint8 subjectType, address from, address to, uint256 sharesAmount) external; }
// SPDX-License-Identifier: UNLICENSED // See Forta Network License: https://github.com/forta-network/forta-contracts/blob/master/LICENSE.md pragma solidity ^0.8.9; import "../../../errors/GeneralErrors.sol"; import "./IDelegatedStakeSubject.sol"; import "./IStakeSubjectGateway.sol"; import "../SubjectTypeValidator.sol"; import "../../Roles.sol"; import "../../utils/AccessManaged.sol"; abstract contract DelegatedStakeSubjectUpgradeable is AccessManagedUpgradeable, IDelegatedStakeSubject { IStakeSubjectGateway private _subjectGateway; event SubjectHandlerUpdated(address indexed newHandler); error StakedUnderMinimum(uint256 subject); /* * @dev: For contracts made StakeAwareUpgradeable via upgrade, initializer call is not available. * Use setSubjectHandler(subjectGateway) when upgrading instead. * @param subjectGateway address. */ function __StakeSubjectUpgradeable_init(address subjectGateway) internal initializer { _setSubjectHandler(subjectGateway); } /// Stake controller setter, restricted to DEFAULT_ADMIN_ROLE function setSubjectHandler(address subjectGateway) public onlyRole(DEFAULT_ADMIN_ROLE) { _setSubjectHandler(subjectGateway); } /// Getter for subjectGateway function getSubjectHandler() public view returns (IStakeSubjectGateway) { return _subjectGateway; } /// Internal setter for subjectGateway, emits subjectGatewayUpdated function _setSubjectHandler(address subjectGateway) private { if (subjectGateway == address(0)) revert ZeroAddress("subjectGateway"); _subjectGateway = IStakeSubjectGateway(subjectGateway); emit SubjectHandlerUpdated(subjectGateway); } /** * 5 (Not 50, since it was part of an upgrade of XXXRegistryCore) * - 1 _subjectGateway; * -------------------------- * 4 __gap */ uint256[4] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/ERC721.sol) pragma solidity ^0.8.0; import "./IERC721Upgradeable.sol"; import "./IERC721ReceiverUpgradeable.sol"; import "./extensions/IERC721MetadataUpgradeable.sol"; import "../../utils/AddressUpgradeable.sol"; import "../../utils/ContextUpgradeable.sol"; import "../../utils/StringsUpgradeable.sol"; import "../../utils/introspection/ERC165Upgradeable.sol"; import "../../proxy/utils/Initializable.sol"; /** * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including * the Metadata extension, but not including the Enumerable extension, which is available separately as * {ERC721Enumerable}. */ contract ERC721Upgradeable is Initializable, ContextUpgradeable, ERC165Upgradeable, IERC721Upgradeable, IERC721MetadataUpgradeable { using AddressUpgradeable for address; using StringsUpgradeable for uint256; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to owner address mapping(uint256 => address) private _owners; // Mapping owner address to token count mapping(address => uint256) private _balances; // Mapping from token ID to approved address mapping(uint256 => address) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; /** * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection. */ function __ERC721_init(string memory name_, string memory symbol_) internal onlyInitializing { __ERC721_init_unchained(name_, symbol_); } function __ERC721_init_unchained(string memory name_, string memory symbol_) internal onlyInitializing { _name = name_; _symbol = symbol_; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165Upgradeable, IERC165Upgradeable) returns (bool) { return interfaceId == type(IERC721Upgradeable).interfaceId || interfaceId == type(IERC721MetadataUpgradeable).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721-balanceOf}. */ function balanceOf(address owner) public view virtual override returns (uint256) { require(owner != address(0), "ERC721: address zero is not a valid owner"); return _balances[owner]; } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { address owner = _owners[tokenId]; require(owner != address(0), "ERC721: invalid token ID"); return owner; } /** * @dev See {IERC721Metadata-name}. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev See {IERC721Metadata-symbol}. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { _requireMinted(tokenId); string memory baseURI = _baseURI(); return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : ""; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, can be overridden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ""; } /** * @dev See {IERC721-approve}. */ function approve(address to, uint256 tokenId) public virtual override { address owner = ERC721Upgradeable.ownerOf(tokenId); require(to != owner, "ERC721: approval to current owner"); require( _msgSender() == owner || isApprovedForAll(owner, _msgSender()), "ERC721: approve caller is not token owner nor approved for all" ); _approve(to, tokenId); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { _requireMinted(tokenId); return _tokenApprovals[tokenId]; } /** * @dev See {IERC721-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual override { _setApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC721-isApprovedForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev See {IERC721-transferFrom}. */ function transferFrom( address from, address to, uint256 tokenId ) public virtual override { //solhint-disable-next-line max-line-length require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: caller is not token owner nor approved"); _transfer(from, to, tokenId); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ""); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory data ) public virtual override { require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: caller is not token owner nor approved"); _safeTransfer(from, to, tokenId, data); } /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * `data` is additional data, it has no specified format and it is sent in call to `to`. * * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g. * implement alternative mechanisms to perform token transfer, such as signature-based. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeTransfer( address from, address to, uint256 tokenId, bytes memory data ) internal virtual { _transfer(from, to, tokenId); require(_checkOnERC721Received(from, to, tokenId, data), "ERC721: transfer to non ERC721Receiver implementer"); } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted (`_mint`), * and stop existing when they are burned (`_burn`). */ function _exists(uint256 tokenId) internal view virtual returns (bool) { return _owners[tokenId] != address(0); } /** * @dev Returns whether `spender` is allowed to manage `tokenId`. * * Requirements: * * - `tokenId` must exist. */ function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) { address owner = ERC721Upgradeable.ownerOf(tokenId); return (spender == owner || isApprovedForAll(owner, spender) || getApproved(tokenId) == spender); } /** * @dev Safely mints `tokenId` and transfers it to `to`. * * Requirements: * * - `tokenId` must not exist. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeMint(address to, uint256 tokenId) internal virtual { _safeMint(to, tokenId, ""); } /** * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is * forwarded in {IERC721Receiver-onERC721Received} to contract recipients. */ function _safeMint( address to, uint256 tokenId, bytes memory data ) internal virtual { _mint(to, tokenId); require( _checkOnERC721Received(address(0), to, tokenId, data), "ERC721: transfer to non ERC721Receiver implementer" ); } /** * @dev Mints `tokenId` and transfers it to `to`. * * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible * * Requirements: * * - `tokenId` must not exist. * - `to` cannot be the zero address. * * Emits a {Transfer} event. */ function _mint(address to, uint256 tokenId) internal virtual { require(to != address(0), "ERC721: mint to the zero address"); require(!_exists(tokenId), "ERC721: token already minted"); _beforeTokenTransfer(address(0), to, tokenId); _balances[to] += 1; _owners[tokenId] = to; emit Transfer(address(0), to, tokenId); _afterTokenTransfer(address(0), to, tokenId); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal virtual { address owner = ERC721Upgradeable.ownerOf(tokenId); _beforeTokenTransfer(owner, address(0), tokenId); // Clear approvals _approve(address(0), tokenId); _balances[owner] -= 1; delete _owners[tokenId]; emit Transfer(owner, address(0), tokenId); _afterTokenTransfer(owner, address(0), tokenId); } /** * @dev Transfers `tokenId` from `from` to `to`. * As opposed to {transferFrom}, this imposes no restrictions on msg.sender. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * * Emits a {Transfer} event. */ function _transfer( address from, address to, uint256 tokenId ) internal virtual { require(ERC721Upgradeable.ownerOf(tokenId) == from, "ERC721: transfer from incorrect owner"); require(to != address(0), "ERC721: transfer to the zero address"); _beforeTokenTransfer(from, to, tokenId); // Clear approvals from the previous owner _approve(address(0), tokenId); _balances[from] -= 1; _balances[to] += 1; _owners[tokenId] = to; emit Transfer(from, to, tokenId); _afterTokenTransfer(from, to, tokenId); } /** * @dev Approve `to` to operate on `tokenId` * * Emits an {Approval} event. */ function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ERC721Upgradeable.ownerOf(tokenId), to, tokenId); } /** * @dev Approve `operator` to operate on all of `owner` tokens * * Emits an {ApprovalForAll} event. */ function _setApprovalForAll( address owner, address operator, bool approved ) internal virtual { require(owner != operator, "ERC721: approve to caller"); _operatorApprovals[owner][operator] = approved; emit ApprovalForAll(owner, operator, approved); } /** * @dev Reverts if the `tokenId` has not been minted yet. */ function _requireMinted(uint256 tokenId) internal view virtual { require(_exists(tokenId), "ERC721: invalid token ID"); } /** * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address. * The call is not executed if the target address is not a contract. * * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param tokenId uint256 ID of the token to be transferred * @param data bytes optional data to send along with the call * @return bool whether the call correctly returned the expected magic value */ function _checkOnERC721Received( address from, address to, uint256 tokenId, bytes memory data ) private returns (bool) { if (to.isContract()) { try IERC721ReceiverUpgradeable(to).onERC721Received(_msgSender(), from, tokenId, data) returns (bytes4 retval) { return retval == IERC721ReceiverUpgradeable.onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert("ERC721: transfer to non ERC721Receiver implementer"); } else { /// @solidity memory-safe-assembly assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } /** * @dev Hook that is called before any token transfer. This includes minting * and burning. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, ``from``'s `tokenId` will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} /** * @dev Hook that is called after any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _afterTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[44] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Counters.sol) pragma solidity ^0.8.0; /** * @title Counters * @author Matt Condon (@shrugs) * @dev Provides counters that can only be incremented, decremented or reset. This can be used e.g. to track the number * of elements in a mapping, issuing ERC721 ids, or counting request ids. * * Include with `using Counters for Counters.Counter;` */ library CountersUpgradeable { struct Counter { // This variable should never be directly accessed by users of the library: interactions must be restricted to // the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add // this feature: see https://github.com/ethereum/solidity/issues/4637 uint256 _value; // default: 0 } function current(Counter storage counter) internal view returns (uint256) { return counter._value; } function increment(Counter storage counter) internal { unchecked { counter._value += 1; } } function decrement(Counter storage counter) internal { uint256 value = counter._value; require(value > 0, "Counter: decrement overflow"); unchecked { counter._value = value - 1; } } function reset(Counter storage counter) internal { counter._value = 0; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/cryptography/draft-EIP712.sol) pragma solidity ^0.8.0; import "./ECDSAUpgradeable.sol"; import "../../proxy/utils/Initializable.sol"; /** * @dev https://eips.ethereum.org/EIPS/eip-712[EIP 712] is a standard for hashing and signing of typed structured data. * * The encoding specified in the EIP is very generic, and such a generic implementation in Solidity is not feasible, * thus this contract does not implement the encoding itself. Protocols need to implement the type-specific encoding * they need in their contracts using a combination of `abi.encode` and `keccak256`. * * This contract implements the EIP 712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding * scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA * ({_hashTypedDataV4}). * * The implementation of the domain separator was designed to be as efficient as possible while still properly updating * the chain id to protect against replay attacks on an eventual fork of the chain. * * NOTE: This contract implements the version of the encoding known as "v4", as implemented by the JSON RPC method * https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask]. * * _Available since v3.4._ * * @custom:storage-size 52 */ abstract contract EIP712Upgradeable is Initializable { /* solhint-disable var-name-mixedcase */ bytes32 private _HASHED_NAME; bytes32 private _HASHED_VERSION; bytes32 private constant _TYPE_HASH = keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"); /* solhint-enable var-name-mixedcase */ /** * @dev Initializes the domain separator and parameter caches. * * The meaning of `name` and `version` is specified in * https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP 712]: * * - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol. * - `version`: the current major version of the signing domain. * * NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart * contract upgrade]. */ function __EIP712_init(string memory name, string memory version) internal onlyInitializing { __EIP712_init_unchained(name, version); } function __EIP712_init_unchained(string memory name, string memory version) internal onlyInitializing { bytes32 hashedName = keccak256(bytes(name)); bytes32 hashedVersion = keccak256(bytes(version)); _HASHED_NAME = hashedName; _HASHED_VERSION = hashedVersion; } /** * @dev Returns the domain separator for the current chain. */ function _domainSeparatorV4() internal view returns (bytes32) { return _buildDomainSeparator(_TYPE_HASH, _EIP712NameHash(), _EIP712VersionHash()); } function _buildDomainSeparator( bytes32 typeHash, bytes32 nameHash, bytes32 versionHash ) private view returns (bytes32) { return keccak256(abi.encode(typeHash, nameHash, versionHash, block.chainid, address(this))); } /** * @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this * function returns the hash of the fully encoded EIP712 message for this domain. * * This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example: * * ```solidity * bytes32 digest = _hashTypedDataV4(keccak256(abi.encode( * keccak256("Mail(address to,string contents)"), * mailTo, * keccak256(bytes(mailContents)) * ))); * address signer = ECDSA.recover(digest, signature); * ``` */ function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) { return ECDSAUpgradeable.toTypedDataHash(_domainSeparatorV4(), structHash); } /** * @dev The hash of the name parameter for the EIP712 domain. * * NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs * are a concern. */ function _EIP712NameHash() internal virtual view returns (bytes32) { return _HASHED_NAME; } /** * @dev The hash of the version parameter for the EIP712 domain. * * NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs * are a concern. */ function _EIP712VersionHash() internal virtual view returns (bytes32) { return _HASHED_VERSION; } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[50] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/math/Math.sol) pragma solidity ^0.8.0; /** * @dev Standard math utilities missing in the Solidity language. */ library Math { enum Rounding { Down, // Toward negative infinity Up, // Toward infinity Zero // Toward zero } /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return a >= b ? a : b; } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow. return (a & b) + (a ^ b) / 2; } /** * @dev Returns the ceiling of the division of two numbers. * * This differs from standard division with `/` in that it rounds up instead * of rounding down. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b - 1) / b can overflow on addition, so we distribute. return a == 0 ? 0 : (a - 1) / b + 1; } /** * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0 * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) * with further edits by Uniswap Labs also under MIT license. */ function mulDiv( uint256 x, uint256 y, uint256 denominator ) internal pure returns (uint256 result) { unchecked { // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256 // variables such that product = prod1 * 2^256 + prod0. uint256 prod0; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(x, y, not(0)) prod0 := mul(x, y) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } // Handle non-overflow cases, 256 by 256 division. if (prod1 == 0) { return prod0 / denominator; } // Make sure the result is less than 2^256. Also prevents denominator == 0. require(denominator > prod1); /////////////////////////////////////////////// // 512 by 256 division. /////////////////////////////////////////////// // Make division exact by subtracting the remainder from [prod1 prod0]. uint256 remainder; assembly { // Compute remainder using mulmod. remainder := mulmod(x, y, denominator) // Subtract 256 bit number from 512 bit number. prod1 := sub(prod1, gt(remainder, prod0)) prod0 := sub(prod0, remainder) } // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1. // See https://cs.stackexchange.com/q/138556/92363. // Does not overflow because the denominator cannot be zero at this stage in the function. uint256 twos = denominator & (~denominator + 1); assembly { // Divide denominator by twos. denominator := div(denominator, twos) // Divide [prod1 prod0] by twos. prod0 := div(prod0, twos) // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one. twos := add(div(sub(0, twos), twos), 1) } // Shift in bits from prod1 into prod0. prod0 |= prod1 * twos; // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for // four bits. That is, denominator * inv = 1 mod 2^4. uint256 inverse = (3 * denominator) ^ 2; // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works // in modular arithmetic, doubling the correct bits in each step. inverse *= 2 - denominator * inverse; // inverse mod 2^8 inverse *= 2 - denominator * inverse; // inverse mod 2^16 inverse *= 2 - denominator * inverse; // inverse mod 2^32 inverse *= 2 - denominator * inverse; // inverse mod 2^64 inverse *= 2 - denominator * inverse; // inverse mod 2^128 inverse *= 2 - denominator * inverse; // inverse mod 2^256 // Because the division is now exact we can divide by multiplying with the modular inverse of denominator. // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1 // is no longer required. result = prod0 * inverse; return result; } } /** * @notice Calculates x * y / denominator with full precision, following the selected rounding direction. */ function mulDiv( uint256 x, uint256 y, uint256 denominator, Rounding rounding ) internal pure returns (uint256) { uint256 result = mulDiv(x, y, denominator); if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) { result += 1; } return result; } /** * @dev Returns the square root of a number. It the number is not a perfect square, the value is rounded down. * * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11). */ function sqrt(uint256 a) internal pure returns (uint256) { if (a == 0) { return 0; } // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target. // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have // `msb(a) <= a < 2*msb(a)`. // We also know that `k`, the position of the most significant bit, is such that `msb(a) = 2**k`. // This gives `2**k < a <= 2**(k+1)` → `2**(k/2) <= sqrt(a) < 2 ** (k/2+1)`. // Using an algorithm similar to the msb conmputation, we are able to compute `result = 2**(k/2)` which is a // good first aproximation of `sqrt(a)` with at least 1 correct bit. uint256 result = 1; uint256 x = a; if (x >> 128 > 0) { x >>= 128; result <<= 64; } if (x >> 64 > 0) { x >>= 64; result <<= 32; } if (x >> 32 > 0) { x >>= 32; result <<= 16; } if (x >> 16 > 0) { x >>= 16; result <<= 8; } if (x >> 8 > 0) { x >>= 8; result <<= 4; } if (x >> 4 > 0) { x >>= 4; result <<= 2; } if (x >> 2 > 0) { result <<= 1; } // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128, // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision // into the expected uint128 result. unchecked { result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; return min(result, a / result); } } /** * @notice Calculates sqrt(a), following the selected rounding direction. */ function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) { uint256 result = sqrt(a); if (rounding == Rounding.Up && result * result < a) { result += 1; } return result; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (utils/cryptography/SignatureChecker.sol) pragma solidity ^0.8.0; import "./ECDSAUpgradeable.sol"; import "../AddressUpgradeable.sol"; import "../../interfaces/IERC1271Upgradeable.sol"; /** * @dev Signature verification helper that can be used instead of `ECDSA.recover` to seamlessly support both ECDSA * signatures from externally owned accounts (EOAs) as well as ERC1271 signatures from smart contract wallets like * Argent and Gnosis Safe. * * _Available since v4.1._ */ library SignatureCheckerUpgradeable { /** * @dev Checks if a signature is valid for a given signer and data hash. If the signer is a smart contract, the * signature is validated against that smart contract using ERC1271, otherwise it's validated using `ECDSA.recover`. * * NOTE: Unlike ECDSA signatures, contract signatures are revocable, and the outcome of this function can thus * change through time. It could return true at block N and false at block N+1 (or the opposite). */ function isValidSignatureNow( address signer, bytes32 hash, bytes memory signature ) internal view returns (bool) { (address recovered, ECDSAUpgradeable.RecoverError error) = ECDSAUpgradeable.tryRecover(hash, signature); if (error == ECDSAUpgradeable.RecoverError.NoError && recovered == signer) { return true; } (bool success, bytes memory result) = signer.staticcall( abi.encodeWithSelector(IERC1271Upgradeable.isValidSignature.selector, hash, signature) ); return (success && result.length == 32 && abi.decode(result, (bytes4)) == IERC1271Upgradeable.isValidSignature.selector); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/ERC721Enumerable.sol) pragma solidity ^0.8.0; import "../ERC721Upgradeable.sol"; import "./IERC721EnumerableUpgradeable.sol"; import "../../../proxy/utils/Initializable.sol"; /** * @dev This implements an optional extension of {ERC721} defined in the EIP that adds * enumerability of all the token ids in the contract as well as all token ids owned by each * account. */ abstract contract ERC721EnumerableUpgradeable is Initializable, ERC721Upgradeable, IERC721EnumerableUpgradeable { function __ERC721Enumerable_init() internal onlyInitializing { } function __ERC721Enumerable_init_unchained() internal onlyInitializing { } // Mapping from owner to list of owned token IDs mapping(address => mapping(uint256 => uint256)) private _ownedTokens; // Mapping from token ID to index of the owner tokens list mapping(uint256 => uint256) private _ownedTokensIndex; // Array with all token ids, used for enumeration uint256[] private _allTokens; // Mapping from token id to position in the allTokens array mapping(uint256 => uint256) private _allTokensIndex; /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165Upgradeable, ERC721Upgradeable) returns (bool) { return interfaceId == type(IERC721EnumerableUpgradeable).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}. */ function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) { require(index < ERC721Upgradeable.balanceOf(owner), "ERC721Enumerable: owner index out of bounds"); return _ownedTokens[owner][index]; } /** * @dev See {IERC721Enumerable-totalSupply}. */ function totalSupply() public view virtual override returns (uint256) { return _allTokens.length; } /** * @dev See {IERC721Enumerable-tokenByIndex}. */ function tokenByIndex(uint256 index) public view virtual override returns (uint256) { require(index < ERC721EnumerableUpgradeable.totalSupply(), "ERC721Enumerable: global index out of bounds"); return _allTokens[index]; } /** * @dev Hook that is called before any token transfer. This includes minting * and burning. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, ``from``'s `tokenId` will be burned. * - `from` cannot be the zero address. * - `to` cannot be the zero address. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual override { super._beforeTokenTransfer(from, to, tokenId); if (from == address(0)) { _addTokenToAllTokensEnumeration(tokenId); } else if (from != to) { _removeTokenFromOwnerEnumeration(from, tokenId); } if (to == address(0)) { _removeTokenFromAllTokensEnumeration(tokenId); } else if (to != from) { _addTokenToOwnerEnumeration(to, tokenId); } } /** * @dev Private function to add a token to this extension's ownership-tracking data structures. * @param to address representing the new owner of the given token ID * @param tokenId uint256 ID of the token to be added to the tokens list of the given address */ function _addTokenToOwnerEnumeration(address to, uint256 tokenId) private { uint256 length = ERC721Upgradeable.balanceOf(to); _ownedTokens[to][length] = tokenId; _ownedTokensIndex[tokenId] = length; } /** * @dev Private function to add a token to this extension's token tracking data structures. * @param tokenId uint256 ID of the token to be added to the tokens list */ function _addTokenToAllTokensEnumeration(uint256 tokenId) private { _allTokensIndex[tokenId] = _allTokens.length; _allTokens.push(tokenId); } /** * @dev Private function to remove a token from this extension's ownership-tracking data structures. Note that * while the token is not assigned a new owner, the `_ownedTokensIndex` mapping is _not_ updated: this allows for * gas optimizations e.g. when performing a transfer operation (avoiding double writes). * This has O(1) time complexity, but alters the order of the _ownedTokens array. * @param from address representing the previous owner of the given token ID * @param tokenId uint256 ID of the token to be removed from the tokens list of the given address */ function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId) private { // To prevent a gap in from's tokens array, we store the last token in the index of the token to delete, and // then delete the last slot (swap and pop). uint256 lastTokenIndex = ERC721Upgradeable.balanceOf(from) - 1; uint256 tokenIndex = _ownedTokensIndex[tokenId]; // When the token to delete is the last token, the swap operation is unnecessary if (tokenIndex != lastTokenIndex) { uint256 lastTokenId = _ownedTokens[from][lastTokenIndex]; _ownedTokens[from][tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token _ownedTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index } // This also deletes the contents at the last position of the array delete _ownedTokensIndex[tokenId]; delete _ownedTokens[from][lastTokenIndex]; } /** * @dev Private function to remove a token from this extension's token tracking data structures. * This has O(1) time complexity, but alters the order of the _allTokens array. * @param tokenId uint256 ID of the token to be removed from the tokens list */ function _removeTokenFromAllTokensEnumeration(uint256 tokenId) private { // To prevent a gap in the tokens array, we store the last token in the index of the token to delete, and // then delete the last slot (swap and pop). uint256 lastTokenIndex = _allTokens.length - 1; uint256 tokenIndex = _allTokensIndex[tokenId]; // When the token to delete is the last token, the swap operation is unnecessary. However, since this occurs so // rarely (when the last minted token is burnt) that we still do the swap here to avoid the gas cost of adding // an 'if' statement (like in _removeTokenFromOwnerEnumeration) uint256 lastTokenId = _allTokens[lastTokenIndex]; _allTokens[tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token _allTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index // This also deletes the contents at the last position of the array delete _allTokensIndex[tokenId]; _allTokens.pop(); } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[46] private __gap; }
// SPDX-License-Identifier: UNLICENSED // See Forta Network License: https://github.com/forta-network/forta-contracts/blob/master/LICENSE.md pragma solidity ^0.8.9; import "./IStakeSubject.sol"; interface IStakeSubjectGateway { event StakeSubjectChanged(address newHandler, address oldHandler); function setStakeSubject(uint8 subjectType, address subject) external; function getStakeSubject(uint8 subjectType) external view returns (address); function activeStakeFor(uint8 subjectType, uint256 subject) external view returns (uint256); function maxStakeFor(uint8 subjectType, uint256 subject) external view returns (uint256); function minStakeFor(uint8 subjectType, uint256 subject) external view returns (uint256); function totalStakeFor(uint8 subjectType, uint256 subject) external view returns (uint256); function isStakeActivatedFor(uint8 subjectType, uint256 subject) external view returns (bool); function maxManagedStakeFor(uint8 subjectType, uint256 subject) external view returns (uint256); function minManagedStakeFor(uint8 subjectType, uint256 subject) external view returns (uint256); function totalManagedSubjects(uint8 subjectType, uint256 subject) external view returns (uint256); function canManageAllocation(uint8 subjectType, uint256 subject, address allocator) external view returns (bool); function ownerOf(uint8 subjectType, uint256 subject) external view returns (address); }
// SPDX-License-Identifier: UNLICENSED // See Forta Network License: https://github.com/forta-network/forta-contracts/blob/master/LICENSE.md pragma solidity ^0.8.9; uint8 constant UNDEFINED_SUBJECT = 255; uint8 constant SCANNER_SUBJECT = 0; uint8 constant AGENT_SUBJECT = 1; uint8 constant SCANNER_POOL_SUBJECT = 2; uint8 constant DELEGATOR_SCANNER_POOL_SUBJECT = 3; /** * Defines the types of staking Subject Types, their agency and relationships. * There are different types of subject type agency: * - MANAGED --> Cannot be staked on directly, allocation of stake is controlled by their manager, a DELEGATED type * - DIRECT --> Can be staked on by multiple different stakers * - DELEGATED --> Can be staked on by the owner of the relevant Registry entry. Manages MANAGED subjects. * - DELEGATOR --> TBD * * The current Subject Types and their Agency: * - SCANNER_SUBJECT --> MANAGED * - AGENT_SUBJECT (detection bots) --> DIRECT * - SCANNER_POOL_SUBJECT --> DELEGATED * */ contract SubjectTypeValidator { enum SubjectStakeAgency { UNDEFINED, DIRECT, DELEGATED, DELEGATOR, MANAGED } error InvalidSubjectType(uint8 subjectType); error ForbiddenForType(uint8 subjectType, SubjectStakeAgency provided, SubjectStakeAgency expected); /** * @dev check if `subjectType` belongs to the defined SUBJECT_TYPES * @param subjectType is not an enum because some contracts using subjectTypes are not * upgradeable (StakingEscrow) */ modifier onlyValidSubjectType(uint8 subjectType) { if (subjectType != SCANNER_SUBJECT && subjectType != AGENT_SUBJECT && subjectType != SCANNER_POOL_SUBJECT && subjectType != DELEGATOR_SCANNER_POOL_SUBJECT) revert InvalidSubjectType(subjectType); _; } modifier onlyAgencyType(uint8 subjectType, SubjectStakeAgency expected) { if (getSubjectTypeAgency(subjectType) != expected) revert ForbiddenForType(subjectType, getSubjectTypeAgency(subjectType), expected); _; } modifier notAgencyType(uint8 subjectType, SubjectStakeAgency forbidden) { if (getSubjectTypeAgency(subjectType) == forbidden) revert ForbiddenForType(subjectType, getSubjectTypeAgency(subjectType), forbidden); _; } function getSubjectTypeAgency(uint8 subjectType) public pure returns (SubjectStakeAgency) { if (subjectType == AGENT_SUBJECT) { return SubjectStakeAgency.DIRECT; } else if (subjectType == SCANNER_POOL_SUBJECT) { return SubjectStakeAgency.DELEGATED; } else if (subjectType == DELEGATOR_SCANNER_POOL_SUBJECT) { return SubjectStakeAgency.DELEGATOR; } else if (subjectType == SCANNER_SUBJECT) { return SubjectStakeAgency.MANAGED; } return SubjectStakeAgency.UNDEFINED; } function getDelegatorSubjectType(uint8 subjectType) public pure returns (uint8) { if (subjectType == SCANNER_POOL_SUBJECT) { return DELEGATOR_SCANNER_POOL_SUBJECT; } return UNDEFINED_SUBJECT; } function getDelegatedSubjectType(uint8 subjectType) public pure returns (uint8) { if (subjectType == DELEGATOR_SCANNER_POOL_SUBJECT) { return SCANNER_POOL_SUBJECT; } return UNDEFINED_SUBJECT; } }
// SPDX-License-Identifier: UNLICENSED // See Forta Network License: https://github.com/forta-network/forta-contracts/blob/master/LICENSE.md pragma solidity ^0.8.9; import "./IStakeSubject.sol"; interface IDelegatedStakeSubject is IStakeSubject { function getTotalManagedSubjects(uint256 managerId) external view returns(uint256); function getManagedStakeThreshold(uint256 managedId) external view returns(StakeThreshold memory); }
// SPDX-License-Identifier: UNLICENSED // See Forta Network License: https://github.com/forta-network/forta-contracts/blob/master/LICENSE.md pragma solidity ^0.8.9; interface IStakeSubject { struct StakeThreshold { uint256 min; uint256 max; bool activated; } error StakeThresholdMaxLessOrEqualMin(); function isRegistered(uint256 subject) external view returns(bool); function ownerOf(uint256 subject) external view returns (address); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol) pragma solidity ^0.8.0; /** * @dev String operations. */ library StringsUpgradeable { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; uint8 private constant _ADDRESS_LENGTH = 20; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol) pragma solidity ^0.8.0; /** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */ interface IERC721ReceiverUpgradeable { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; import "./IERC165Upgradeable.sol"; import "../../proxy/utils/Initializable.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165Upgradeable is Initializable, IERC165Upgradeable { function __ERC165_init() internal onlyInitializing { } function __ERC165_init_unchained() internal onlyInitializing { } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165Upgradeable).interfaceId; } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[50] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165Upgradeable.sol"; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721Upgradeable is IERC165Upgradeable { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in ``owner``'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.0; import "../IERC721Upgradeable.sol"; /** * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721MetadataUpgradeable is IERC721Upgradeable { /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/cryptography/ECDSA.sol) pragma solidity ^0.8.0; import "../StringsUpgradeable.sol"; /** * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations. * * These functions can be used to verify that a message was signed by the holder * of the private keys of a given address. */ library ECDSAUpgradeable { enum RecoverError { NoError, InvalidSignature, InvalidSignatureLength, InvalidSignatureS, InvalidSignatureV } function _throwError(RecoverError error) private pure { if (error == RecoverError.NoError) { return; // no error: do nothing } else if (error == RecoverError.InvalidSignature) { revert("ECDSA: invalid signature"); } else if (error == RecoverError.InvalidSignatureLength) { revert("ECDSA: invalid signature length"); } else if (error == RecoverError.InvalidSignatureS) { revert("ECDSA: invalid signature 's' value"); } else if (error == RecoverError.InvalidSignatureV) { revert("ECDSA: invalid signature 'v' value"); } } /** * @dev Returns the address that signed a hashed message (`hash`) with * `signature` or error string. This address can then be used for verification purposes. * * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures: * this function rejects them by requiring the `s` value to be in the lower * half order, and the `v` value to be either 27 or 28. * * IMPORTANT: `hash` _must_ be the result of a hash operation for the * verification to be secure: it is possible to craft signatures that * recover to arbitrary addresses for non-hashed data. A safe way to ensure * this is by receiving a hash of the original message (which may otherwise * be too long), and then calling {toEthSignedMessageHash} on it. * * Documentation for signature generation: * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js] * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers] * * _Available since v4.3._ */ function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) { // Check the signature length // - case 65: r,s,v signature (standard) // - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) _Available since v4.1._ if (signature.length == 65) { bytes32 r; bytes32 s; uint8 v; // ecrecover takes the signature parameters, and the only way to get them // currently is to use assembly. /// @solidity memory-safe-assembly assembly { r := mload(add(signature, 0x20)) s := mload(add(signature, 0x40)) v := byte(0, mload(add(signature, 0x60))) } return tryRecover(hash, v, r, s); } else if (signature.length == 64) { bytes32 r; bytes32 vs; // ecrecover takes the signature parameters, and the only way to get them // currently is to use assembly. /// @solidity memory-safe-assembly assembly { r := mload(add(signature, 0x20)) vs := mload(add(signature, 0x40)) } return tryRecover(hash, r, vs); } else { return (address(0), RecoverError.InvalidSignatureLength); } } /** * @dev Returns the address that signed a hashed message (`hash`) with * `signature`. This address can then be used for verification purposes. * * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures: * this function rejects them by requiring the `s` value to be in the lower * half order, and the `v` value to be either 27 or 28. * * IMPORTANT: `hash` _must_ be the result of a hash operation for the * verification to be secure: it is possible to craft signatures that * recover to arbitrary addresses for non-hashed data. A safe way to ensure * this is by receiving a hash of the original message (which may otherwise * be too long), and then calling {toEthSignedMessageHash} on it. */ function recover(bytes32 hash, bytes memory signature) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, signature); _throwError(error); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately. * * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures] * * _Available since v4.3._ */ function tryRecover( bytes32 hash, bytes32 r, bytes32 vs ) internal pure returns (address, RecoverError) { bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff); uint8 v = uint8((uint256(vs) >> 255) + 27); return tryRecover(hash, v, r, s); } /** * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately. * * _Available since v4.2._ */ function recover( bytes32 hash, bytes32 r, bytes32 vs ) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, r, vs); _throwError(error); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `v`, * `r` and `s` signature fields separately. * * _Available since v4.3._ */ function tryRecover( bytes32 hash, uint8 v, bytes32 r, bytes32 s ) internal pure returns (address, RecoverError) { // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most // signatures from current libraries generate a unique signature with an s-value in the lower half order. // // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept // these malleable signatures as well. if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) { return (address(0), RecoverError.InvalidSignatureS); } if (v != 27 && v != 28) { return (address(0), RecoverError.InvalidSignatureV); } // If the signature is valid (and not malleable), return the signer address address signer = ecrecover(hash, v, r, s); if (signer == address(0)) { return (address(0), RecoverError.InvalidSignature); } return (signer, RecoverError.NoError); } /** * @dev Overload of {ECDSA-recover} that receives the `v`, * `r` and `s` signature fields separately. */ function recover( bytes32 hash, uint8 v, bytes32 r, bytes32 s ) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, v, r, s); _throwError(error); return recovered; } /** * @dev Returns an Ethereum Signed Message, created from a `hash`. This * produces hash corresponding to the one signed with the * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] * JSON-RPC method as part of EIP-191. * * See {recover}. */ function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) { // 32 is the length in bytes of hash, // enforced by the type signature above return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash)); } /** * @dev Returns an Ethereum Signed Message, created from `s`. This * produces hash corresponding to the one signed with the * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] * JSON-RPC method as part of EIP-191. * * See {recover}. */ function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) { return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", StringsUpgradeable.toString(s.length), s)); } /** * @dev Returns an Ethereum Signed Typed Data, created from a * `domainSeparator` and a `structHash`. This produces hash corresponding * to the one signed with the * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`] * JSON-RPC method as part of EIP-712. * * See {recover}. */ function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) { return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash)); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (interfaces/IERC1271.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC1271 standard signature validation method for * contracts as defined in https://eips.ethereum.org/EIPS/eip-1271[ERC-1271]. * * _Available since v4.1._ */ interface IERC1271Upgradeable { /** * @dev Should return whether the signature provided is valid for the provided data * @param hash Hash of the data to be signed * @param signature Signature byte array associated with _data */ function isValidSignature(bytes32 hash, bytes memory signature) external view returns (bytes4 magicValue); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC721/extensions/IERC721Enumerable.sol) pragma solidity ^0.8.0; import "../IERC721Upgradeable.sol"; /** * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721EnumerableUpgradeable is IERC721Upgradeable { /** * @dev Returns the total amount of tokens stored by the contract. */ function totalSupply() external view returns (uint256); /** * @dev Returns a token ID owned by `owner` at a given `index` of its token list. * Use along with {balanceOf} to enumerate all of ``owner``'s tokens. */ function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256); /** * @dev Returns a token ID at a given `index` of all the tokens stored by the contract. * Use along with {totalSupply} to enumerate all tokens. */ function tokenByIndex(uint256 index) external view returns (uint256); }
// SPDX-License-Identifier: UNLICENSED // See Forta Network License: https://github.com/forta-network/forta-contracts/blob/master/LICENSE.md pragma solidity ^0.8.9; import "@openzeppelin/contracts-upgradeable/token/ERC721/ERC721Upgradeable.sol"; import "../BaseComponentUpgradeable.sol"; import "../staking/stake_subjects/DirectStakeSubject.sol"; import "../../errors/GeneralErrors.sol"; import "../scanner_pools/ScannerPoolRegistry.sol"; abstract contract ScannerRegistryCore is BaseComponentUpgradeable, ERC721Upgradeable, DirectStakeSubjectUpgradeable { mapping(uint256 => StakeThreshold) internal _stakeThresholds; event ScannerUpdated(uint256 indexed scannerId, uint256 indexed chainId, string metadata); event StakeThresholdChanged(uint256 indexed chainId, uint256 min, uint256 max, bool activated); error ScannerNotRegistered(address scanner); /** * @notice Checks sender (or metatx signer) is owner of the scanner token. * @param scannerId ERC721 token id of the scanner. */ modifier onlyOwnerOf(uint256 scannerId) { if (_msgSender() != ownerOf(scannerId)) revert SenderNotOwner(_msgSender(), scannerId); _; } /** * @notice Checks if scannerId has been registered (minted). * @param scannerId ERC721 token id of the scanner. * @return true if scannerId exists, false otherwise. */ function isRegistered(uint256 scannerId) public view override returns(bool) { return _exists(scannerId); } /// Converts scanner address to uint256 for ERC721 Token Id. function scannerAddressToId(address scanner) public pure returns(uint256) { return uint256(uint160(scanner)); } /** * @notice Sets stake parameters (min, max, activated) for a `chainId`. Restricted to SCANNER_ADMIN_ROLE * @param newStakeThreshold struct with stake parameters. * @param chainId chain the parameters will affect. */ function setStakeThreshold(StakeThreshold calldata newStakeThreshold, uint256 chainId) external onlyRole(SCANNER_ADMIN_ROLE) { if (newStakeThreshold.max <= newStakeThreshold.min) revert StakeThresholdMaxLessOrEqualMin(); emit StakeThresholdChanged(chainId, newStakeThreshold.min, newStakeThreshold.max, newStakeThreshold.activated); _stakeThresholds[chainId] = newStakeThreshold; } /** * @dev internal getter for _getStakeThreshold, inheriting contracts may define logic to associate * a scanner with a StakeThreshold */ function _getStakeThreshold(uint256 subject) internal virtual view returns(StakeThreshold memory); /** * @notice Getter for StakeThreshold for the scanner with id `subject` */ function getStakeThreshold(uint256 subject) external view returns(StakeThreshold memory) { return _getStakeThreshold(subject); } /** * Checks if scanner is staked over minimum stake * @param scannerId scanner * @return true if scanner is staked over the minimum threshold for that chainId and is registered, * or staking is not yet enabled (stakeController = 0). * false otherwise */ function _isStakedOverMin(uint256 scannerId) internal virtual override view returns(bool) { if (address(getSubjectHandler()) == address(0) || !_getStakeThreshold(scannerId).activated) { return true; } return getSubjectHandler().activeStakeFor(SCANNER_SUBJECT, scannerId) >= _getStakeThreshold(scannerId).min && _exists(scannerId); } /** * @notice Helper to get either msg msg.sender if not a meta transaction, signer of forwarder metatx if it is. * @inheritdoc ForwardedContext */ function _msgSender() internal view virtual override(BaseComponentUpgradeable, ContextUpgradeable) returns (address sender) { return super._msgSender(); } /** * @notice Helper to get msg.data if not a meta transaction, forwarder data in metatx if it is. * @inheritdoc ForwardedContext */ function _msgData() internal view virtual override(BaseComponentUpgradeable, ContextUpgradeable) returns (bytes calldata) { return super._msgData(); } /** * @notice disambiguation of ownerOf. * @inheritdoc ERC721Upgradeable */ function ownerOf(uint256 subject) public view virtual override(DirectStakeSubjectUpgradeable, ERC721Upgradeable) returns (address) { return super.ownerOf(subject); } /** * 50 * - 5 StakeSubjectUpgradeable; * - 1 _stakeThresholds; * -------------------------- * 44 __gap */ uint256[44] private __gap; }
// SPDX-License-Identifier: UNLICENSED // See Forta Network License: https://github.com/forta-network/forta-contracts/blob/master/LICENSE.md pragma solidity ^0.8.9; import "@openzeppelin/contracts/utils/structs/BitMaps.sol"; import "./ScannerRegistryManaged.sol"; /** * @dev ScannerRegistry methods and state handling disabling and enabling scanners, and * recognizing stake changes that might disable a scanner. * NOTE: This contract was deployed before StakeAwareUpgradeable was created, so __StakeAwareUpgradeable_init * is not called. */ abstract contract ScannerRegistryEnable is ScannerRegistryManaged { using BitMaps for BitMaps.BitMap; enum Permission { ADMIN, SELF, OWNER, MANAGER, length } mapping(uint256 => BitMaps.BitMap) internal _disabled; event ScannerEnabled(uint256 indexed scannerId, bool indexed enabled, Permission permission, bool value); /** * @notice Check if scanner is enabled * @param scannerId ERC721 token id of the scanner. * @return true if the scanner is registered, has not been disabled, and is staked over minimum value. * Returns false if otherwise */ function isEnabled(uint256 scannerId) public view virtual returns (bool) { return isRegistered(scannerId) && _getDisableFlags(scannerId) == 0 && _isStakedOverMin(scannerId); } /** * @notice Public method to enable a scanner, if caller has permission. Scanner must be staked over minimum defined * for the scanner's chainId. * @param scannerId ERC721 token id of the scanner. * @param permission the caller claims to have. */ function enableScanner(uint256 scannerId, Permission permission) public virtual { if (!_hasPermission(scannerId, permission)) revert DoesNotHavePermission(_msgSender(), uint8(permission), scannerId); _enable(scannerId, permission, true); } /** * @notice Public method to disable a scanner, if caller has permission. * @param scannerId ERC721 token id of the scanner. * @param permission the caller claims to have. */ function disableScanner(uint256 scannerId, Permission permission) public virtual { if (!_hasPermission(scannerId, permission)) revert DoesNotHavePermission(_msgSender(), uint8(permission), scannerId); _enable(scannerId, permission, false); } /** * Get the disabled flags for an agentId. Permission (uint8) is used for indexing, so we don't * need to loop. * If not disabled, all flags will be 0 * @param scannerId ERC721 token id of the scanner. * @return uint256 containing the byte flags. */ function _getDisableFlags(uint256 scannerId) internal view returns (uint256) { return _disabled[scannerId]._data[0]; } /** * @notice Method that does permission checks. * @dev AccessManager is not used since the permission is specific for scannerId * @param scannerId ERC721 token id of the scanner. * @param permission the caller claims to have. * @return true if (ADMIN and _msgSender() has SCANNER_ADMIN_ROLE), if _msgSender() is the scanner itself, its owner * or manager for each respective permission, false otherwise. */ function _hasPermission(uint256 scannerId, Permission permission) internal view returns (bool) { if (permission == Permission.ADMIN) { return hasRole(SCANNER_ADMIN_ROLE, _msgSender()); } if (permission == Permission.SELF) { return uint256(uint160(_msgSender())) == scannerId; } if (permission == Permission.OWNER) { return _msgSender() == ownerOf(scannerId); } if (permission == Permission.MANAGER) { return isManager(scannerId, _msgSender()); } return false; } /** * @notice Internal method to enable a scanner. * @dev will trigger _before and _after enable hooks within the inheritance tree. * @param scannerId ERC721 token id of the scanner. * @param permission the caller claims to have. * @param enable true for enabling, false for disabling */ function _enable(uint256 scannerId, Permission permission, bool enable) internal { if (!isRegistered(scannerId)) revert ScannerNotRegistered(address(uint160(scannerId))); _disabled[scannerId].setTo(uint8(permission), !enable); emit ScannerEnabled(scannerId, isEnabled(scannerId), permission, enable); } /** * Obligatory inheritance dismambiguation of ForwardedContext's _msgSender() * @return sender msg.sender if not a meta transaction, signer of forwarder metatx if it is. */ function _msgSender() internal view virtual override(ScannerRegistryCore) returns (address sender) { return super._msgSender(); } /** * Obligatory inheritance dismambiguation of ForwardedContext's _msgSender() * @return sender msg.data if not a meta transaction, forwarder data in metatx if it is. */ function _msgData() internal view virtual override(ScannerRegistryCore) returns (bytes calldata) { return super._msgData(); } /** * 50 * - 1 _disabled; * -------------------------- * 49 __gap */ uint256[49] private __gap; }
// SPDX-License-Identifier: UNLICENSED // See Forta Network License: https://github.com/forta-network/forta-contracts/blob/master/LICENSE.md pragma solidity ^0.8.9; import "./ScannerRegistryCore.sol"; abstract contract ScannerRegistryMetadata is ScannerRegistryCore { struct ScannerMetadata { uint256 chainId; string metadata; } mapping(uint256 => ScannerMetadata) internal _scannerMetadata; /** * @notice Gets all scanner properties. * @param scannerId ERC721 token id of the scanner. * @return registered true if scanner exists. * @return owner address. * @return chainId the scanner is monitoring. * @return metadata IPFS pointer for the scanner's JSON metadata. */ function getScanner(uint256 scannerId) public virtual view returns (bool registered, address owner, uint256 chainId, string memory metadata) { bool exists = _exists(scannerId); return ( exists, exists ? ownerOf(scannerId) : address(0), _scannerMetadata[scannerId].chainId, _scannerMetadata[scannerId].metadata ); } /** * @notice Gets scanner chain Ids. * @param scannerId ERC721 token id of the scanner. * @return chainId the scanner is monitoring. */ function getScannerChainId(uint256 scannerId) public view returns (uint256) { return _scannerMetadata[scannerId].chainId; } /** * @dev checks the StakeThreshold for the chainId the scanner with id `subject` was registered to monitor. * @param subject ERC721 token id of the scanner. * @return StakeThreshold registered for `chainId`, or StakeThreshold(0,0,false) if `chainId` not found. */ function _getStakeThreshold(uint256 subject) override virtual internal view returns(StakeThreshold memory) { return _stakeThresholds[getScannerChainId(subject)]; } /** * 50 * - 1 _scannerMetadata; * -------------------------- * 49 __gap */ uint256[49] private __gap; }
// SPDX-License-Identifier: UNLICENSED // See Forta Network License: https://github.com/forta-network/forta-contracts/blob/master/LICENSE.md pragma solidity ^0.8.9; import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol"; import "./ScannerRegistryCore.sol"; abstract contract ScannerRegistryManaged is ScannerRegistryCore { using EnumerableSet for EnumerableSet.AddressSet; mapping(uint256 => EnumerableSet.AddressSet) internal _managers; event ManagerEnabled(uint256 indexed scannerId, address indexed manager, bool enabled); error SenderNotManager(address sender, uint256 scannerId); /** * @notice Checks sender (or metatx signer) is manager of the scanner token. * @param scannerId ERC721 token id of the scanner. */ modifier onlyManagerOf(uint256 scannerId) { if (!_managers[scannerId].contains(_msgSender())) revert SenderNotManager(_msgSender(), scannerId); _; } /** * @notice Checks if address is defined as a manager for a scanner. * @param scannerId ERC721 token id of the scanner. * @param manager address to check. * @return true if defined as manager for scanner, false otherwise. */ function isManager(uint256 scannerId, address manager) public view virtual returns (bool) { return _managers[scannerId].contains(manager); } /** * @notice Gets total managers defined for a scanner. * @dev helper for external iteration. * @param scannerId ERC721 token id of the scanner. * @return total managers defined for a scanner. */ function getManagerCount(uint256 scannerId) public view virtual returns (uint256) { return _managers[scannerId].length(); } /** * @notice Gets manager address at certain position of the scanner's manager set. * @dev helper for external iteration. * @param scannerId ERC721 token id of the scanner. * @param index position in the set. * @return address of the manager at index. */ function getManagerAt(uint256 scannerId, uint256 index) public view virtual returns (address) { return _managers[scannerId].at(index); } /** * 50 * - 1 _managers; * -------------------------- * 49 __gap */ uint256[49] private __gap; }
// SPDX-License-Identifier: UNLICENSED // See Forta Network License: https://github.com/forta-network/forta-contracts/blob/master/LICENSE.md pragma solidity ^0.8.9; import "../../../errors/GeneralErrors.sol"; import "./IStakeSubjectGateway.sol"; import "./IDirectStakeSubject.sol"; import "../SubjectTypeValidator.sol"; import "../../Roles.sol"; import "../../utils/AccessManaged.sol"; abstract contract DirectStakeSubjectUpgradeable is AccessManagedUpgradeable, IDirectStakeSubject { /// @custom:oz-renamed-from _stakeController /// @custom:oz-retyped-from IStakeController IStakeSubjectGateway private _subjectGateway; event SubjectHandlerUpdated(address indexed newHandler); error StakedUnderMinimum(uint256 subject); /* * @dev: For contracts made StakeAwareUpgradeable via upgrade, initializer call is not available. * Use setSubjectHandler(subjectGateway) when upgrading instead. * @param subjectGateway address. */ function __StakeSubjectUpgradeable_init(address subjectGateway) internal initializer { _setSubjectHandler(subjectGateway); } /// Stake controller setter, restricted to DEFAULT_ADMIN_ROLE function setSubjectHandler(address subjectGateway) public onlyRole(DEFAULT_ADMIN_ROLE) { _setSubjectHandler(subjectGateway); } /// Getter for subjectGateway function getSubjectHandler() public view returns (IStakeSubjectGateway) { return _subjectGateway; } /// Internal setter for subjectGateway, emits subjectGatewayUpdated function _setSubjectHandler(address subjectGateway) private { if (subjectGateway == address(0)) revert ZeroAddress("subjectGateway"); _subjectGateway = IStakeSubjectGateway(subjectGateway); emit SubjectHandlerUpdated(subjectGateway); } /// Returns true if `subject` amount of staked tokens is bigger or equal the minimum stake set /// for it. It's for contracts implementing `StakeSubjectUpgradeable` to decide what that means. function isStakedOverMin(uint256 subject) external view virtual override returns (bool) { return _isStakedOverMin(subject); } function _isStakedOverMin(uint256 subject) internal view virtual returns (bool); function ownerOf(uint256 subject) external view virtual returns (address); /** * 5 (Not 50, since it was part of an upgrade of XXXRegistryCore) * - 1 _subjectGateway; * -------------------------- * 4 __gap */ uint256[4] private __gap; }
// SPDX-License-Identifier: UNLICENSED // See Forta Network License: https://github.com/forta-network/forta-contracts/blob/master/LICENSE.md pragma solidity ^0.8.9; import "./IStakeSubject.sol"; interface IDirectStakeSubject is IStakeSubject { function getStakeThreshold(uint256 subject) external view returns (StakeThreshold memory); function isStakedOverMin(uint256 subject) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/structs/BitMaps.sol) pragma solidity ^0.8.0; /** * @dev Library for managing uint256 to bool mapping in a compact and efficient way, providing the keys are sequential. * Largelly inspired by Uniswap's https://github.com/Uniswap/merkle-distributor/blob/master/contracts/MerkleDistributor.sol[merkle-distributor]. */ library BitMaps { struct BitMap { mapping(uint256 => uint256) _data; } /** * @dev Returns whether the bit at `index` is set. */ function get(BitMap storage bitmap, uint256 index) internal view returns (bool) { uint256 bucket = index >> 8; uint256 mask = 1 << (index & 0xff); return bitmap._data[bucket] & mask != 0; } /** * @dev Sets the bit at `index` to the boolean `value`. */ function setTo( BitMap storage bitmap, uint256 index, bool value ) internal { if (value) { set(bitmap, index); } else { unset(bitmap, index); } } /** * @dev Sets the bit at `index`. */ function set(BitMap storage bitmap, uint256 index) internal { uint256 bucket = index >> 8; uint256 mask = 1 << (index & 0xff); bitmap._data[bucket] |= mask; } /** * @dev Unsets the bit at `index`. */ function unset(BitMap storage bitmap, uint256 index) internal { uint256 bucket = index >> 8; uint256 mask = 1 << (index & 0xff); bitmap._data[bucket] &= ~mask; } }
{ "optimizer": { "enabled": true, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
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ScannerRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"scannerPoolRegistry","outputs":[{"internalType":"contract ScannerPoolRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"scanners","type":"address[]"},{"internalType":"uint256","name":"scannerPoolId","type":"uint256"},{"internalType":"uint256","name":"chainId","type":"uint256"}],"name":"selfMigrate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newManager","type":"address"}],"name":"setAccessManager","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"ensRegistry","type":"address"},{"internalType":"string","name":"ensName","type":"string"}],"name":"setName","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"stakeMigrator","outputs":[{"internalType":"contract IStakeMigrator","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"}]
Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000004e29cea6d64be860f5eaba110686dcb585f393d6000000000000000000000000569c785b4744e582c65a12827726fc03c8d08a4a000000000000000000000000fd745747ec40b439fee9248ae9d57eb846f7ebf500000000000000000000000064d5192f03bd98db1de2aa8b4abac5419eac32ce
-----Decoded View---------------
Arg [0] : _forwarder (address): 0x4E29Cea6D64be860f5eAba110686DcB585f393D6
Arg [1] : _scannerNodeRegistry (address): 0x569c785b4744E582c65A12827726FC03C8D08A4a
Arg [2] : _scannerPoolRegistry (address): 0xfD745747eC40B439feE9248Ae9D57EB846F7eBF5
Arg [3] : _stakeMigrator (address): 0x64d5192F03bD98dB1De2AA8B4abAC5419eaC32CE
-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 0000000000000000000000004e29cea6d64be860f5eaba110686dcb585f393d6
Arg [1] : 000000000000000000000000569c785b4744e582c65a12827726fc03c8d08a4a
Arg [2] : 000000000000000000000000fd745747ec40b439fee9248ae9d57eb846f7ebf5
Arg [3] : 00000000000000000000000064d5192f03bd98db1de2aa8b4abac5419eac32ce
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.