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This contract may be a proxy contract. Click on More Options and select Is this a proxy? to confirm and enable the "Read as Proxy" & "Write as Proxy" tabs.
Contract Name:
Directory
Compiler Version
v0.8.17+commit.8df45f5f
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: GPL v3
/**
* /*** /*** /****** /** /** /** /** /**
* /**_/ |_ ** /**__ ** | ** | **| ** | ** |__/
* | ** /** /** | ** | ** \__/ /****** /******* /******* /****** /****** | **| ** /****** /****** /** /****** /*******
* /*** |__/|__/ | *** | ** /**__ **| **__ ** /**_____/|_ **_/ /**__ **| **| ** |____ **|_ **_/ | ** /**__ **| **__ **
* | ** | ** | ** | ** \ **| ** \ **| ****** | ** | ********| **| ** /******* | ** | **| ** \ **| ** \ **
* \ ** /** /** | ** | ** **| ** | **| ** | ** \____ ** | ** /* | **_____/| **| ** /**__ ** | ** /* | **| ** | **| ** | **
* | ***|__/|__/*** | ******|| ****** | ** | ** /******* | **** | *******| **| **| ******** | **** | **| ****** | ** | **
* \___/ |___/ \______/ \______/ |__/ |__/|_______/ \___/ \_______/|__/|__/ \_______/ \___/ |__/ \______/ |__/ |__/
*
* A liquid staking protocol extending Rocket Pool.
* Made w/ <3 by {::}
*
* For more information, visit https://nodeset.io
*
* @author Mike Leach (Wander), Nick Steinhilber (NickS), Theodore Clapp (mryamz), Joe Clapis (jcrtp), Huy Nguyen, Andy Rose (Barbalute)
* @custom:security-info https://docs.nodeset.io/nodeset/security-notice
**/
pragma solidity 0.8.17;
import '@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol';
import '@openzeppelin/contracts-upgradeable/access/AccessControlUpgradeable.sol';
import '../../Interfaces/IConstellationOracle.sol';
import '../../Interfaces/RocketPool/IRocketStorage.sol';
import '../../Interfaces/ISanctions.sol';
import '../../Interfaces/RocketPool/IRocketNetworkPrices.sol';
import '../../Interfaces/RocketPool/IRocketNetworkPenalties.sol';
import './UpgradeableBase.sol';
import '../Utils/RocketPoolEncoder.sol';
import '../Utils/Constants.sol';
struct Protocol {
address whitelist;
address payable wethVault;
address rplVault;
address payable operatorDistributor;
address payable merkleClaimStreamer;
address oracle;
address priceFetcher;
address payable superNode;
// external dependencies
address rocketStorage;
address payable weth;
address sanctions;
}
struct Governance {
address admin;
address treasurer;
address payable treasury;
address timelockShort;
address timelockMed;
address timelockLong;
address adminServer;
address adminOracle;
}
/// @author Mike Leach, Theodore Clapp
/// @notice The Directory contract holds references to all protocol contracts and role mechanisms.
/// @dev The Directory contract is a central component of the protocol, managing contract addresses and access control roles.
/// It provides the ability to set contract addresses during initialization, manage treasury, and update the Oracle contract.
contract Directory is UUPSUpgradeable, AccessControlUpgradeable {
// These events should never actually be emitted because the calling code should should revert if the result is true
event SanctionViolation(address account, address eoa_origin);
event SanctionViolationSingleOrigin(address eoa_origin);
event SanctionsEnabledChanged(bool oldValue, bool newValue);
event TreasuryAddressChanged(address oldAddress, address newAddress);
event OperatorRewardAddressChanged(address oldAddress, address newAddress);
event OracleAddressChanged(address oldAddress, address newAddress);
event AllContractAddressesChanged(Protocol oldProtocol, Protocol newProtocol);
Protocol private _protocol;
address payable private _treasury;
address payable private _operatorReward;
bool private _enabledSanctions;
constructor() {
_disableInitializers();
}
/// @notice Retrieves the address of the current implementation of the contract.
/// @return The address of the current implementation contract.
/// @dev This function allows users to query the current implementation contract address.
function getImplementation() public view returns (address) {
return _getImplementation();
}
/// @notice Internal function to authorize contract upgrades.
/// @dev This function is used internally to ensure that only administrators can authorize contract upgrades.
/// It checks whether the sender has the required TIMELOCK_LONG before allowing the upgrade.
function _authorizeUpgrade(address) internal view override {
require(hasRole(Constants.TIMELOCK_LONG, msg.sender), Constants.TIMELOCK_LONG_ONLY_ERROR);
}
//----
// GETTERS
//----
function getSanctionsEnabled() public view returns (bool) {
return _enabledSanctions;
}
function getWhitelistAddress() public view returns (address) {
return _protocol.whitelist;
}
function getWETHVaultAddress() public view returns (address payable) {
return _protocol.wethVault;
}
function getRPLVaultAddress() public view returns (address) {
return _protocol.rplVault;
}
function getOracleAddress() public view returns (address) {
return _protocol.oracle;
}
function getRocketStorageAddress() public view returns (address) {
return _protocol.rocketStorage;
}
function getOperatorDistributorAddress() public view returns (address payable) {
return _protocol.operatorDistributor;
}
function getMerkleClaimStreamerAddress() public view returns (address payable) {
return _protocol.merkleClaimStreamer;
}
function getOperatorRewardAddress() public view returns (address payable) {
return _operatorReward;
}
function getRocketNodeManagerAddress() public view returns (address) {
return
IRocketStorage(_protocol.rocketStorage).getAddress(
RocketpoolEncoder.generateBytes32Identifier('rocketNodeManager')
);
}
function getRocketNodeDepositAddress() public view returns (address) {
return
IRocketStorage(_protocol.rocketStorage).getAddress(
RocketpoolEncoder.generateBytes32Identifier('rocketNodeDeposit')
);
}
function getRocketNodeStakingAddress() public view returns (address) {
return
IRocketStorage(_protocol.rocketStorage).getAddress(
RocketpoolEncoder.generateBytes32Identifier('rocketNodeStaking')
);
}
function getRocketMinipoolManagerAddress() public view returns (address) {
return
IRocketStorage(_protocol.rocketStorage).getAddress(
RocketpoolEncoder.generateBytes32Identifier('rocketMinipoolManager')
);
}
function getPriceFetcherAddress() public view returns (address) {
return _protocol.priceFetcher;
}
function getWETHAddress() public view returns (address payable) {
return _protocol.weth;
}
function getSuperNodeAddress() public view returns (address payable) {
return _protocol.superNode;
}
function getProtocol() public view returns (Protocol memory) {
return _protocol;
}
function getRocketDAOProtocolSettingsRewardsAddress() public view returns (address) {
return
IRocketStorage(_protocol.rocketStorage).getAddress(
RocketpoolEncoder.generateBytes32Identifier('rocketDAOProtocolSettingsRewards')
);
}
function getRocketDAOProtocolSettingsMinipool() public view returns (address) {
return
IRocketStorage(_protocol.rocketStorage).getAddress(
RocketpoolEncoder.generateBytes32Identifier('rocketDAOProtocolSettingsMinipool')
);
}
function getRPLAddress() public view returns (address) {
return
IRocketStorage(_protocol.rocketStorage).getAddress(
RocketpoolEncoder.generateBytes32Identifier('rocketTokenRPL')
);
}
function getTreasuryAddress() public view returns (address payable) {
return _treasury;
}
function getSanctionsAddress() public view returns (address) {
return _protocol.sanctions;
}
function getRocketNetworkPenalties() public view returns (IRocketNetworkPenalties) {
return
IRocketNetworkPenalties(
IRocketStorage(_protocol.rocketStorage).getAddress(
RocketpoolEncoder.generateBytes32Identifier('rocketNetworkPenalties')
)
);
}
function getRocketDepositPoolAddress() public view returns (address) {
return
IRocketStorage(_protocol.rocketStorage).getAddress(
RocketpoolEncoder.generateBytes32Identifier('rocketDepositPool')
);
}
function getRocketNetworkPrices() public view returns (IRocketNetworkPrices) {
return
IRocketNetworkPrices(
IRocketStorage(_protocol.rocketStorage).getAddress(
RocketpoolEncoder.generateBytes32Identifier('rocketNetworkPrices')
)
);
}
function getRocketDAOProtocolProposalAddress() public view returns (address) {
return
IRocketStorage(_protocol.rocketStorage).getAddress(
RocketpoolEncoder.generateBytes32Identifier('rocketDAOProtocolProposal')
);
}
function getRocketMerkleDistributorMainnetAddress() public view returns (address) {
return
IRocketStorage(_protocol.rocketStorage).getAddress(
RocketpoolEncoder.generateBytes32Identifier('rocketMerkleDistributorMainnet')
);
}
function getRocketNetworkVotingAddress() public view returns (address) {
return
IRocketStorage(_protocol.rocketStorage).getAddress(
RocketpoolEncoder.generateBytes32Identifier('rocketNetworkVoting')
);
}
function getRocketPoolAddressByTag(string calldata _tag) public view returns (address) {
return IRocketStorage(_protocol.rocketStorage).getAddress(RocketpoolEncoder.generateBytes32Identifier(_tag));
}
/// @notice Initializes the Directory contract with the given protocol addresses, treasury, treasurer, and admin.
/// @param newProtocol A Protocol struct containing updated addresses of protocol contracts.
/// @param operatorReward The address of the operator rewards contract.
/// @param governance A Governance struct containing the addresses of the treasury contract, treasurer role, and admin roles.
/// @dev This function sets up the initial protocol contract addresses and grants roles to the admin and treasurer.
function initialize(
Protocol memory newProtocol,
address payable operatorReward,
Governance memory governance
) public initializer {
require(
_protocol.whitelist == address(0) && newProtocol.whitelist != address(0),
Constants.INITIALIZATION_ERROR
);
require(
_protocol.wethVault == address(0) && newProtocol.wethVault != address(0),
Constants.INITIALIZATION_ERROR
);
require(_protocol.rplVault == address(0) && newProtocol.rplVault != address(0), Constants.INITIALIZATION_ERROR);
require(
_protocol.merkleClaimStreamer == address(0) && newProtocol.merkleClaimStreamer != address(0),
Constants.INITIALIZATION_ERROR
);
require(
_protocol.superNode == address(0) && newProtocol.superNode != address(0),
Constants.INITIALIZATION_ERROR
);
require(_protocol.oracle == address(0) && newProtocol.oracle != address(0), Constants.INITIALIZATION_ERROR);
require(
_protocol.operatorDistributor == address(0) && newProtocol.operatorDistributor != address(0),
Constants.INITIALIZATION_ERROR
);
require(_operatorReward == address(0) && operatorReward != address(0), Constants.INITIALIZATION_ERROR);
require(_protocol.oracle == address(0) && newProtocol.oracle != address(0), Constants.INITIALIZATION_ERROR);
require(
_protocol.priceFetcher == address(0) && newProtocol.priceFetcher != address(0),
Constants.INITIALIZATION_ERROR
);
require(
_protocol.rocketStorage == address(0) && newProtocol.rocketStorage != address(0),
Constants.INITIALIZATION_ERROR
);
require(
_protocol.sanctions == address(0) && newProtocol.sanctions != address(0),
Constants.INITIALIZATION_ERROR
);
require(_protocol.weth == address(0) && newProtocol.weth != address(0), Constants.INITIALIZATION_ERROR);
require(_treasury == address(0) && governance.treasury != address(0), Constants.INITIALIZATION_ERROR);
require(governance.treasurer != address(0), Constants.INITIALIZATION_ERROR);
require(
governance.timelockShort != address(0) &&
governance.timelockMed != address(0) &&
governance.timelockLong != address(0),
Constants.INITIALIZATION_ERROR
);
require(governance.admin != address(0), Constants.INITIALIZATION_ERROR);
// set up role admins
AccessControlUpgradeable.__AccessControl_init();
_setRoleAdmin(Constants.ADMIN_ROLE, Constants.ADMIN_ROLE);
_setRoleAdmin(Constants.ADMIN_SERVER_ROLE, Constants.ADMIN_ROLE);
_setRoleAdmin(Constants.ADMIN_ORACLE_ROLE, Constants.ADMIN_ROLE);
_setRoleAdmin(Constants.TREASURER_ROLE, Constants.TREASURER_ROLE);
_setRoleAdmin(Constants.CORE_PROTOCOL_ROLE, Constants.TIMELOCK_LONG);
_setRoleAdmin(Constants.TIMELOCK_SHORT, Constants.TIMELOCK_SHORT);
_setRoleAdmin(Constants.TIMELOCK_MED, Constants.TIMELOCK_MED);
_setRoleAdmin(Constants.TIMELOCK_LONG, Constants.TIMELOCK_LONG);
// set role addresses
_grantRole(Constants.ADMIN_ROLE, governance.admin);
_grantRole(Constants.TREASURER_ROLE, governance.treasurer);
_grantRole(Constants.TIMELOCK_SHORT, governance.timelockShort);
_grantRole(Constants.TIMELOCK_MED, governance.timelockMed);
_grantRole(Constants.TIMELOCK_LONG, governance.timelockLong);
_grantRole(Constants.ADMIN_SERVER_ROLE, governance.adminServer);
_grantRole(Constants.ADMIN_ORACLE_ROLE, governance.adminOracle);
// Note that the protocol role should ONLY be given to protocol contracts
// This is a dangerous role that MUST be kept internal
// It should never be given to a non-core-protocol contract (e.g. don't give it to the treasury or operator rewards address)
// and it should also never be given to an EOA (e.g. don't give this to the ADMIN or TREASURER)
// This is the only list of contracts which should ever have this role:
_grantRole(Constants.CORE_PROTOCOL_ROLE, newProtocol.whitelist);
_grantRole(Constants.CORE_PROTOCOL_ROLE, newProtocol.wethVault);
_grantRole(Constants.CORE_PROTOCOL_ROLE, newProtocol.rplVault);
_grantRole(Constants.CORE_PROTOCOL_ROLE, newProtocol.operatorDistributor);
_grantRole(Constants.CORE_PROTOCOL_ROLE, newProtocol.merkleClaimStreamer);
_grantRole(Constants.CORE_PROTOCOL_ROLE, newProtocol.oracle);
_grantRole(Constants.CORE_PROTOCOL_ROLE, newProtocol.priceFetcher);
_grantRole(Constants.CORE_PROTOCOL_ROLE, newProtocol.superNode);
_treasury = governance.treasury;
_operatorReward = operatorReward;
_protocol = newProtocol;
_enabledSanctions = true;
}
/// @notice Sets the treasury address. DO NOT CALL THIS TO UPGRADE THE IMPLEMENTATION CONTRACT!
/// @param newTreasury The new treasury address.
/// @dev Note that this does NOT upgrade the existing implementation contract.
/// Instead it changes the contract completely, including storage!
function setTreasury(address payable newTreasury) public {
require(hasRole(Constants.TREASURER_ROLE, msg.sender), Constants.TREASURER_ONLY_ERROR);
emit TreasuryAddressChanged(_treasury, newTreasury);
_treasury = newTreasury;
}
/// @notice Sets the operator rewards proxy contract address. DO NOT CALL THIS TO UPGRADE THE IMPLEMENTATION CONTRACT!
/// @param newOperatorRewards The new operator rewards contract address.
/// @dev Note that this does NOT upgrade the existing implementation contract.
/// Instead it changes the contract completely, including storage!
function setOperatorRewards(address payable newOperatorRewards) public {
require(hasRole(Constants.TIMELOCK_LONG, msg.sender), Constants.TIMELOCK_LONG_ONLY_ERROR);
emit OperatorRewardAddressChanged(_operatorReward, newOperatorRewards);
_operatorReward = newOperatorRewards;
}
/// @notice Convenience function to set the oracle proxy contract address specifically. DO NOT CALL THIS TO UPGRADE THE IMPLEMENTATION CONTRACT!
/// @dev Will enforce that the new address implements the IConstellationOracle interface
/// Note that this does NOT upgrade the existing implementation contract.
/// Instead it changes the contract completely, including storage!
/// @param newOracle The new oracle contract address.
function setOracle(IConstellationOracle newOracle) public {
require(hasRole(Constants.TIMELOCK_LONG, msg.sender), Constants.TIMELOCK_LONG_ONLY_ERROR);
address newAddress = address(newOracle);
emit OracleAddressChanged(_protocol.oracle, newAddress);
_protocol.oracle = newAddress;
}
/// @notice Updates all protocol contract proxy addresses in a single call. DO NOT CALL THIS TO UPGRADE THE IMPLEMENTATION CONTRACTS!
/// @param newProtocol A Protocol struct containing updated addresses of protocol contracts.
/// @dev This function allows an administrator to change all protocol contract proxy addresses simultaneously.
/// * Note that this function does NOT validate that the addresses provided differ from the current addresses at all.
/// You will waste gas if you call this with the same addresses already used!
/// * Note that this does NOT upgrade the existing implementation contracts.
/// Instead it changes the contract completely, including storage!
function setAll(Protocol memory newProtocol) public {
require(hasRole(Constants.TIMELOCK_LONG, msg.sender), Constants.TIMELOCK_LONG_ONLY_ERROR);
emit AllContractAddressesChanged(_protocol, newProtocol);
_protocol = newProtocol;
}
/// @notice Enables or disables sanctions enforcement.
function setSanctionsEnabled(bool newValue) public {
require(newValue != _enabledSanctions, '_enabledSanctions already set to this value');
require(hasRole(Constants.ADMIN_ROLE, msg.sender), Constants.ADMIN_ONLY_ERROR);
emit SanctionsEnabledChanged(_enabledSanctions, newValue);
_enabledSanctions = newValue;
}
/// @notice Checks if a single account is sanctioned.
/// @param _account The account to check.
/// @return bool indicating if the account is sanctioned.
function isSanctioned(address _account) public returns (bool) {
address[] memory accounts = new address[](1);
accounts[0] = _account;
return _checkSanctions(accounts);
}
/// @notice Checks if two accounts are sanctioned.
/// @param _account1 The first account to check.
/// @param _account2 The second account to check.
/// @return bool indicating if the accounts are sanctioned.
function isSanctioned(address _account1, address _account2) public returns (bool) {
address[] memory accounts = new address[](2);
accounts[0] = _account1;
accounts[1] = _account2;
return _checkSanctions(accounts);
}
/// @notice Checks if multiple accounts are sanctioned.
/// @param _accounts The array of accounts to check.
/// @return bool indicating if any of the accounts are sanctioned.
function isSanctioned(address[] memory _accounts) public returns (bool) {
return _checkSanctions(_accounts);
}
/// @notice Internal function to check if any accounts are sanctioned.
/// @param _accounts The array of accounts to check.
/// @return bool indicating if any of the accounts are sanctioned.
function _checkSanctions(address[] memory _accounts) internal returns (bool) {
if (!_enabledSanctions) {
return false;
}
bool sanctioned = false;
for (uint i = 0; i < _accounts.length; i++) {
if (_accounts[i] != address(0) && ISanctions(_protocol.sanctions).isSanctioned(_accounts[i])) {
emit SanctionViolation(_accounts[i], tx.origin);
sanctioned = true;
break;
}
}
if (sanctioned || ISanctions(_protocol.sanctions).isSanctioned(tx.origin)) {
emit SanctionViolationSingleOrigin(tx.origin);
return true;
}
return false;
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/AccessControl.sol)
pragma solidity ^0.8.0;
import "./IAccessControlUpgradeable.sol";
import "../utils/ContextUpgradeable.sol";
import "../utils/StringsUpgradeable.sol";
import "../utils/introspection/ERC165Upgradeable.sol";
import "../proxy/utils/Initializable.sol";
/**
* @dev Contract module that allows children to implement role-based access
* control mechanisms. This is a lightweight version that doesn't allow enumerating role
* members except through off-chain means by accessing the contract event logs. Some
* applications may benefit from on-chain enumerability, for those cases see
* {AccessControlEnumerable}.
*
* Roles are referred to by their `bytes32` identifier. These should be exposed
* in the external API and be unique. The best way to achieve this is by
* using `public constant` hash digests:
*
* ```solidity
* bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
* ```
*
* Roles can be used to represent a set of permissions. To restrict access to a
* function call, use {hasRole}:
*
* ```solidity
* function foo() public {
* require(hasRole(MY_ROLE, msg.sender));
* ...
* }
* ```
*
* Roles can be granted and revoked dynamically via the {grantRole} and
* {revokeRole} functions. Each role has an associated admin role, and only
* accounts that have a role's admin role can call {grantRole} and {revokeRole}.
*
* By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
* that only accounts with this role will be able to grant or revoke other
* roles. More complex role relationships can be created by using
* {_setRoleAdmin}.
*
* WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
* grant and revoke this role. Extra precautions should be taken to secure
* accounts that have been granted it. We recommend using {AccessControlDefaultAdminRules}
* to enforce additional security measures for this role.
*/
abstract contract AccessControlUpgradeable is Initializable, ContextUpgradeable, IAccessControlUpgradeable, ERC165Upgradeable {
function __AccessControl_init() internal onlyInitializing {
}
function __AccessControl_init_unchained() internal onlyInitializing {
}
struct RoleData {
mapping(address => bool) members;
bytes32 adminRole;
}
mapping(bytes32 => RoleData) private _roles;
bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;
/**
* @dev Modifier that checks that an account has a specific role. Reverts
* with a standardized message including the required role.
*
* The format of the revert reason is given by the following regular expression:
*
* /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
*
* _Available since v4.1._
*/
modifier onlyRole(bytes32 role) {
_checkRole(role);
_;
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IAccessControlUpgradeable).interfaceId || super.supportsInterface(interfaceId);
}
/**
* @dev Returns `true` if `account` has been granted `role`.
*/
function hasRole(bytes32 role, address account) public view virtual override returns (bool) {
return _roles[role].members[account];
}
/**
* @dev Revert with a standard message if `_msgSender()` is missing `role`.
* Overriding this function changes the behavior of the {onlyRole} modifier.
*
* Format of the revert message is described in {_checkRole}.
*
* _Available since v4.6._
*/
function _checkRole(bytes32 role) internal view virtual {
_checkRole(role, _msgSender());
}
/**
* @dev Revert with a standard message if `account` is missing `role`.
*
* The format of the revert reason is given by the following regular expression:
*
* /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
*/
function _checkRole(bytes32 role, address account) internal view virtual {
if (!hasRole(role, account)) {
revert(
string(
abi.encodePacked(
"AccessControl: account ",
StringsUpgradeable.toHexString(account),
" is missing role ",
StringsUpgradeable.toHexString(uint256(role), 32)
)
)
);
}
}
/**
* @dev Returns the admin role that controls `role`. See {grantRole} and
* {revokeRole}.
*
* To change a role's admin, use {_setRoleAdmin}.
*/
function getRoleAdmin(bytes32 role) public view virtual override returns (bytes32) {
return _roles[role].adminRole;
}
/**
* @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.
*
* May emit a {RoleGranted} event.
*/
function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
_grantRole(role, account);
}
/**
* @dev Revokes `role` from `account`.
*
* If `account` had been granted `role`, emits a {RoleRevoked} event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*
* May emit a {RoleRevoked} event.
*/
function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
_revokeRole(role, account);
}
/**
* @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 revoked `role`, emits a {RoleRevoked}
* event.
*
* Requirements:
*
* - the caller must be `account`.
*
* May emit a {RoleRevoked} event.
*/
function renounceRole(bytes32 role, address account) public virtual override {
require(account == _msgSender(), "AccessControl: can only renounce roles for self");
_revokeRole(role, account);
}
/**
* @dev Grants `role` to `account`.
*
* If `account` had not been already granted `role`, emits a {RoleGranted}
* event. Note that unlike {grantRole}, this function doesn't perform any
* checks on the calling account.
*
* May emit a {RoleGranted} event.
*
* [WARNING]
* ====
* This function should only be called from the constructor when setting
* up the initial roles for the system.
*
* Using this function in any other way is effectively circumventing the admin
* system imposed by {AccessControl}.
* ====
*
* NOTE: This function is deprecated in favor of {_grantRole}.
*/
function _setupRole(bytes32 role, address account) internal virtual {
_grantRole(role, account);
}
/**
* @dev Sets `adminRole` as ``role``'s admin role.
*
* Emits a {RoleAdminChanged} event.
*/
function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
bytes32 previousAdminRole = getRoleAdmin(role);
_roles[role].adminRole = adminRole;
emit RoleAdminChanged(role, previousAdminRole, adminRole);
}
/**
* @dev Grants `role` to `account`.
*
* Internal function without access restriction.
*
* May emit a {RoleGranted} event.
*/
function _grantRole(bytes32 role, address account) internal virtual {
if (!hasRole(role, account)) {
_roles[role].members[account] = true;
emit RoleGranted(role, account, _msgSender());
}
}
/**
* @dev Revokes `role` from `account`.
*
* Internal function without access restriction.
*
* May emit a {RoleRevoked} event.
*/
function _revokeRole(bytes32 role, address account) internal virtual {
if (hasRole(role, account)) {
_roles[role].members[account] = false;
emit RoleRevoked(role, account, _msgSender());
}
}
/**
* @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[49] 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 IAccessControlUpgradeable {
/**
* @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 (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 v4.9.0) (interfaces/IERC1967.sol)
pragma solidity ^0.8.0;
/**
* @dev ERC-1967: Proxy Storage Slots. This interface contains the events defined in the ERC.
*
* _Available since v4.8.3._
*/
interface IERC1967Upgradeable {
/**
* @dev Emitted when the implementation is upgraded.
*/
event Upgraded(address indexed implementation);
/**
* @dev Emitted when the admin account has changed.
*/
event AdminChanged(address previousAdmin, address newAdmin);
/**
* @dev Emitted when the beacon is changed.
*/
event BeaconUpgraded(address indexed beacon);
}// 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: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (proxy/ERC1967/ERC1967Upgrade.sol)
pragma solidity ^0.8.2;
import "../beacon/IBeaconUpgradeable.sol";
import "../../interfaces/IERC1967Upgradeable.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._
*/
abstract contract ERC1967UpgradeUpgradeable is Initializable, IERC1967Upgradeable {
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 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) {
AddressUpgradeable.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 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 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) {
AddressUpgradeable.functionDelegateCall(IBeaconUpgradeable(newBeacon).implementation(), 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 (last updated v4.9.0) (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]
* ```solidity
* 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.
*
* Similar to `reinitializer(1)`, except that functions marked with `initializer` can be nested in the context of a
* constructor.
*
* Emits an {Initialized} event.
*/
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.
*
* 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.
*
* When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`
* cannot be nested. If one is invoked in the context of another, execution will revert.
*
* 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.
*
* WARNING: setting the version to 255 will prevent any future reinitialization.
*
* Emits an {Initialized} event.
*/
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.
*
* Emits an {Initialized} event the first time it is successfully executed.
*/
function _disableInitializers() internal virtual {
require(!_initializing, "Initializable: contract is initializing");
if (_initialized != type(uint8).max) {
_initialized = type(uint8).max;
emit Initialized(type(uint8).max);
}
}
/**
* @dev Returns the highest version that has been initialized. See {reinitializer}.
*/
function _getInitializedVersion() internal view returns (uint8) {
return _initialized;
}
/**
* @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}.
*/
function _isInitializing() internal view returns (bool) {
return _initializing;
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (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 the implementation's compatibility when performing 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.
*
* @custom:oz-upgrades-unsafe-allow-reachable delegatecall
*/
function upgradeTo(address newImplementation) public 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.
*
* @custom:oz-upgrades-unsafe-allow-reachable delegatecall
*/
function upgradeToAndCall(address newImplementation, bytes memory data) public 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;
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (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
*
* Furthermore, `isContract` will also return true if the target contract within
* the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
* which only has an effect at the end of a transaction.
* ====
*
* [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://consensys.net/diligence/blog/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/v0.8.0/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 functionCallWithValue(target, data, 0, "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");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, 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) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, 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) {
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
* the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
*
* _Available since v4.8._
*/
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata,
string memory errorMessage
) internal view returns (bytes memory) {
if (success) {
if (returndata.length == 0) {
// only check isContract if the call was successful and the return data is empty
// otherwise we already know that it was a contract
require(isContract(target), "Address: call to non-contract");
}
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
/**
* @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason or 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 {
_revert(returndata, errorMessage);
}
}
function _revert(bytes memory returndata, string memory errorMessage) private pure {
// 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/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 (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 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 v4.9.0) (utils/math/Math.sol)
pragma solidity ^0.8.0;
/**
* @dev Standard math utilities missing in the Solidity language.
*/
library MathUpgradeable {
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) {
// Solidity will revert if denominator == 0, unlike the div opcode on its own.
// The surrounding unchecked block does not change this fact.
// See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.
return prod0 / denominator;
}
// Make sure the result is less than 2^256. Also prevents denominator == 0.
require(denominator > prod1, "Math: mulDiv overflow");
///////////////////////////////////////////////
// 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. If 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)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
//
// This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
// → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
// → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
//
// Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
uint256 result = 1 << (log2(a) >> 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) {
unchecked {
uint256 result = sqrt(a);
return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
}
}
/**
* @dev Return the log in base 2, rounded down, of a positive value.
* Returns 0 if given 0.
*/
function log2(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >> 128 > 0) {
value >>= 128;
result += 128;
}
if (value >> 64 > 0) {
value >>= 64;
result += 64;
}
if (value >> 32 > 0) {
value >>= 32;
result += 32;
}
if (value >> 16 > 0) {
value >>= 16;
result += 16;
}
if (value >> 8 > 0) {
value >>= 8;
result += 8;
}
if (value >> 4 > 0) {
value >>= 4;
result += 4;
}
if (value >> 2 > 0) {
value >>= 2;
result += 2;
}
if (value >> 1 > 0) {
result += 1;
}
}
return result;
}
/**
* @dev Return the log in base 2, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log2(value);
return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
}
}
/**
* @dev Return the log in base 10, rounded down, of a positive value.
* Returns 0 if given 0.
*/
function log10(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >= 10 ** 64) {
value /= 10 ** 64;
result += 64;
}
if (value >= 10 ** 32) {
value /= 10 ** 32;
result += 32;
}
if (value >= 10 ** 16) {
value /= 10 ** 16;
result += 16;
}
if (value >= 10 ** 8) {
value /= 10 ** 8;
result += 8;
}
if (value >= 10 ** 4) {
value /= 10 ** 4;
result += 4;
}
if (value >= 10 ** 2) {
value /= 10 ** 2;
result += 2;
}
if (value >= 10 ** 1) {
result += 1;
}
}
return result;
}
/**
* @dev Return the log in base 10, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log10(value);
return result + (rounding == Rounding.Up && 10 ** result < value ? 1 : 0);
}
}
/**
* @dev Return the log in base 256, rounded down, of a positive value.
* Returns 0 if given 0.
*
* Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
*/
function log256(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >> 128 > 0) {
value >>= 128;
result += 16;
}
if (value >> 64 > 0) {
value >>= 64;
result += 8;
}
if (value >> 32 > 0) {
value >>= 32;
result += 4;
}
if (value >> 16 > 0) {
value >>= 16;
result += 2;
}
if (value >> 8 > 0) {
result += 1;
}
}
return result;
}
/**
* @dev Return the log in base 256, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log256(value);
return result + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0);
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SignedMath.sol)
pragma solidity ^0.8.0;
/**
* @dev Standard signed math utilities missing in the Solidity language.
*/
library SignedMathUpgradeable {
/**
* @dev Returns the largest of two signed numbers.
*/
function max(int256 a, int256 b) internal pure returns (int256) {
return a > b ? a : b;
}
/**
* @dev Returns the smallest of two signed numbers.
*/
function min(int256 a, int256 b) internal pure returns (int256) {
return a < b ? a : b;
}
/**
* @dev Returns the average of two signed numbers without overflow.
* The result is rounded towards zero.
*/
function average(int256 a, int256 b) internal pure returns (int256) {
// Formula from the book "Hacker's Delight"
int256 x = (a & b) + ((a ^ b) >> 1);
return x + (int256(uint256(x) >> 255) & (a ^ b));
}
/**
* @dev Returns the absolute unsigned value of a signed value.
*/
function abs(int256 n) internal pure returns (uint256) {
unchecked {
// must be unchecked in order to support `n = type(int256).min`
return uint256(n >= 0 ? n : -n);
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/StorageSlot.sol)
// This file was procedurally generated from scripts/generate/templates/StorageSlot.js.
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:
* ```solidity
* 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`, `uint256`._
* _Available since v4.9 for `string`, `bytes`._
*/
library StorageSlotUpgradeable {
struct AddressSlot {
address value;
}
struct BooleanSlot {
bool value;
}
struct Bytes32Slot {
bytes32 value;
}
struct Uint256Slot {
uint256 value;
}
struct StringSlot {
string value;
}
struct BytesSlot {
bytes 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
}
}
/**
* @dev Returns an `StringSlot` with member `value` located at `slot`.
*/
function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `StringSlot` representation of the string storage pointer `store`.
*/
function getStringSlot(string storage store) internal pure returns (StringSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := store.slot
}
}
/**
* @dev Returns an `BytesSlot` with member `value` located at `slot`.
*/
function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`.
*/
function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := store.slot
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Strings.sol)
pragma solidity ^0.8.0;
import "./math/MathUpgradeable.sol";
import "./math/SignedMathUpgradeable.sol";
/**
* @dev String operations.
*/
library StringsUpgradeable {
bytes16 private constant _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) {
unchecked {
uint256 length = MathUpgradeable.log10(value) + 1;
string memory buffer = new string(length);
uint256 ptr;
/// @solidity memory-safe-assembly
assembly {
ptr := add(buffer, add(32, length))
}
while (true) {
ptr--;
/// @solidity memory-safe-assembly
assembly {
mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
}
value /= 10;
if (value == 0) break;
}
return buffer;
}
}
/**
* @dev Converts a `int256` to its ASCII `string` decimal representation.
*/
function toString(int256 value) internal pure returns (string memory) {
return string(abi.encodePacked(value < 0 ? "-" : "", toString(SignedMathUpgradeable.abs(value))));
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
*/
function toHexString(uint256 value) internal pure returns (string memory) {
unchecked {
return toHexString(value, MathUpgradeable.log256(value) + 1);
}
}
/**
* @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] = _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);
}
/**
* @dev Returns true if the two strings are equal.
*/
function equal(string memory a, string memory b) internal pure returns (bool) {
return keccak256(bytes(a)) == keccak256(bytes(b));
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (security/ReentrancyGuard.sol)
pragma solidity ^0.8.0;
/**
* @dev Contract module that helps prevent reentrant calls to a function.
*
* Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
* available, which can be applied to functions to make sure there are no nested
* (reentrant) calls to them.
*
* Note that because there is a single `nonReentrant` guard, functions marked as
* `nonReentrant` may not call one another. This can be worked around by making
* those functions `private`, and then adding `external` `nonReentrant` entry
* points to them.
*
* TIP: If you would like to learn more about reentrancy and alternative ways
* to protect against it, check out our blog post
* https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
*/
abstract contract ReentrancyGuard {
// Booleans are more expensive than uint256 or any type that takes up a full
// word because each write operation emits an extra SLOAD to first read the
// slot's contents, replace the bits taken up by the boolean, and then write
// back. This is the compiler's defense against contract upgrades and
// pointer aliasing, and it cannot be disabled.
// The values being non-zero value makes deployment a bit more expensive,
// but in exchange the refund on every call to nonReentrant will be lower in
// amount. Since refunds are capped to a percentage of the total
// transaction's gas, it is best to keep them low in cases like this one, to
// increase the likelihood of the full refund coming into effect.
uint256 private constant _NOT_ENTERED = 1;
uint256 private constant _ENTERED = 2;
uint256 private _status;
constructor() {
_status = _NOT_ENTERED;
}
/**
* @dev Prevents a contract from calling itself, directly or indirectly.
* Calling a `nonReentrant` function from another `nonReentrant`
* function is not supported. It is possible to prevent this from happening
* by making the `nonReentrant` function external, and making it call a
* `private` function that does the actual work.
*/
modifier nonReentrant() {
_nonReentrantBefore();
_;
_nonReentrantAfter();
}
function _nonReentrantBefore() private {
// On the first call to nonReentrant, _status will be _NOT_ENTERED
require(_status != _ENTERED, "ReentrancyGuard: reentrant call");
// Any calls to nonReentrant after this point will fail
_status = _ENTERED;
}
function _nonReentrantAfter() private {
// By storing the original value once again, a refund is triggered (see
// https://eips.ethereum.org/EIPS/eip-2200)
_status = _NOT_ENTERED;
}
/**
* @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
* `nonReentrant` function in the call stack.
*/
function _reentrancyGuardEntered() internal view returns (bool) {
return _status == _ENTERED;
}
}// SPDX-License-Identifier: GPL v3
/**
* /*** /*** /****** /** /** /** /** /**
* /**_/ |_ ** /**__ ** | ** | **| ** | ** |__/
* | ** /** /** | ** | ** \__/ /****** /******* /******* /****** /****** | **| ** /****** /****** /** /****** /*******
* /*** |__/|__/ | *** | ** /**__ **| **__ ** /**_____/|_ **_/ /**__ **| **| ** |____ **|_ **_/ | ** /**__ **| **__ **
* | ** | ** | ** | ** \ **| ** \ **| ****** | ** | ********| **| ** /******* | ** | **| ** \ **| ** \ **
* \ ** /** /** | ** | ** **| ** | **| ** | ** \____ ** | ** /* | **_____/| **| ** /**__ ** | ** /* | **| ** | **| ** | **
* | ***|__/|__/*** | ******|| ****** | ** | ** /******* | **** | *******| **| **| ******** | **** | **| ****** | ** | **
* \___/ |___/ \______/ \______/ |__/ |__/|_______/ \___/ \_______/|__/|__/ \_______/ \___/ |__/ \______/ |__/ |__/
*
* A liquid staking protocol extending Rocket Pool.
* Made w/ <3 by {::}
*
* For more information, visit https://nodeset.io
*
* @author Mike Leach (Wander), Nick Steinhilber (NickS), Theodore Clapp (mryamz), Joe Clapis (jcrtp), Huy Nguyen, Andy Rose (Barbalute)
* @custom:security-info https://docs.nodeset.io/nodeset/security-notice
**/
pragma solidity 0.8.17;
/**
* @title Constants
* @notice Defines various constants used throughout the protocol.
*/
library Constants {
// ROLES
bytes32 internal constant ADMIN_ROLE = keccak256('ADMIN_ROLE');
bytes32 internal constant TREASURER_ROLE = keccak256('TREASURER_ROLE');
bytes32 internal constant ADMIN_ORACLE_ROLE = keccak256('ADMIN_ORACLE_ROLE');
bytes32 internal constant ADMIN_SERVER_ROLE = keccak256('ADMIN_SERVER_ROLE');
// Note that the protocol role should ONLY be given to protocol contracts
// This is a dangerous role that MUST be kept internal
// It should never be given to a non-core-protocol contract (e.g. don't give it to the treasurer or operator rewards address)
// and it should also never be given to an EOA (e.g. don't give this to the ADMIN or TREASURER)
// See Directory.sol for a list of contracts which are allowed to have this role
bytes32 internal constant CORE_PROTOCOL_ROLE = keccak256('CORE_PROTOCOL_ROLE');
bytes32 internal constant TIMELOCK_SHORT = keccak256('TIMELOCK_SHORT');
bytes32 internal constant TIMELOCK_MED = keccak256('TIMELOCK_MED');
bytes32 internal constant TIMELOCK_LONG = keccak256('TIMELOCK_LONG');
// DIRECTORY
string public constant CONTRACT_NOT_FOUND_ERROR = 'Directory: contract not found!';
string public constant ADMIN_ONLY_ERROR = 'Directory: may only be called by admin address!';
string public constant TIMELOCK_SHORT_ONLY_ERROR = 'Directory: may only be called by short timelock address!';
string public constant TIMELOCK_MED_ONLY_ERROR = 'Directory: may only be called by medium timelock address!';
string public constant TIMELOCK_LONG_ONLY_ERROR = 'Directory: may only be called by long timelock address!';
string public constant TREASURER_ONLY_ERROR = 'Directory: may only be called by treasurer address!';
string public constant INITIALIZATION_ERROR = 'Directory: bad initialization!';
// WHITELIST
string public constant OPERATOR_NOT_FOUND_ERROR = 'Whitelist: Provided address is not an allowed operator!';
string public constant OPERATOR_DUPLICATE_ERROR = 'Whitelist: Provided address is already an allowed operator!';
}// SPDX-License-Identifier: GPL v3
/**
* /*** /*** /****** /** /** /** /** /**
* /**_/ |_ ** /**__ ** | ** | **| ** | ** |__/
* | ** /** /** | ** | ** \__/ /****** /******* /******* /****** /****** | **| ** /****** /****** /** /****** /*******
* /*** |__/|__/ | *** | ** /**__ **| **__ ** /**_____/|_ **_/ /**__ **| **| ** |____ **|_ **_/ | ** /**__ **| **__ **
* | ** | ** | ** | ** \ **| ** \ **| ****** | ** | ********| **| ** /******* | ** | **| ** \ **| ** \ **
* \ ** /** /** | ** | ** **| ** | **| ** | ** \____ ** | ** /* | **_____/| **| ** /**__ ** | ** /* | **| ** | **| ** | **
* | ***|__/|__/*** | ******|| ****** | ** | ** /******* | **** | *******| **| **| ******** | **** | **| ****** | ** | **
* \___/ |___/ \______/ \______/ |__/ |__/|_______/ \___/ \_______/|__/|__/ \_______/ \___/ |__/ \______/ |__/ |__/
*
* A liquid staking protocol extending Rocket Pool.
* Made w/ <3 by {::}
*
* For more information, visit https://nodeset.io
*
* @author Mike Leach (Wander), Nick Steinhilber (NickS), Theodore Clapp (mryamz), Joe Clapis (jcrtp), Huy Nguyen, Andy Rose (Barbalute)
* @custom:security-info https://docs.nodeset.io/nodeset/security-notice
**/
pragma solidity ^0.8.0;
/**
* @title RocketpoolEncoder
* @notice Provides utility functions for generating identifiers in Rocketpool.
*/
library RocketpoolEncoder {
/**
* @notice Generates a bytes32 identifier for a contract name.
* @param contractName The name of the contract.
* @return The generated bytes32 identifier.
*/
function generateBytes32Identifier(string memory contractName) internal pure returns (bytes32) {
return keccak256(abi.encodePacked('contract.address', contractName));
}
}// SPDX-License-Identifier: GPL v3
/**
* /*** /*** /****** /** /** /** /** /**
* /**_/ |_ ** /**__ ** | ** | **| ** | ** |__/
* | ** /** /** | ** | ** \__/ /****** /******* /******* /****** /****** | **| ** /****** /****** /** /****** /*******
* /*** |__/|__/ | *** | ** /**__ **| **__ ** /**_____/|_ **_/ /**__ **| **| ** |____ **|_ **_/ | ** /**__ **| **__ **
* | ** | ** | ** | ** \ **| ** \ **| ****** | ** | ********| **| ** /******* | ** | **| ** \ **| ** \ **
* \ ** /** /** | ** | ** **| ** | **| ** | ** \____ ** | ** /* | **_____/| **| ** /**__ ** | ** /* | **| ** | **| ** | **
* | ***|__/|__/*** | ******|| ****** | ** | ** /******* | **** | *******| **| **| ******** | **** | **| ****** | ** | **
* \___/ |___/ \______/ \______/ |__/ |__/|_______/ \___/ \_______/|__/|__/ \_______/ \___/ |__/ \______/ |__/ |__/
*
* A liquid staking protocol extending Rocket Pool.
* Made w/ <3 by {::}
*
* For more information, visit https://nodeset.io
*
* @author Mike Leach (Wander), Nick Steinhilber (NickS), Theodore Clapp (mryamz), Joe Clapis (jcrtp), Huy Nguyen, Andy Rose (Barbalute)
* @custom:security-info https://docs.nodeset.io/nodeset/security-notice
**/
pragma solidity 0.8.17;
import '@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol';
import '@openzeppelin/contracts/security/ReentrancyGuard.sol';
import './Directory.sol';
import './Constants.sol';
abstract contract UpgradeableBase is UUPSUpgradeable, ReentrancyGuard {
Directory internal _directory;
function initialize(address directoryAddress) public virtual onlyInitializing {
require(directoryAddress != address(0), 'UpgradeableBase: invalid directory address');
_directory = Directory(directoryAddress);
__UUPSUpgradeable_init();
}
constructor() {
_disableInitializers();
}
modifier onlyAdmin() {
require(_directory.hasRole(Constants.ADMIN_ROLE, msg.sender), 'Can only be called by admin address!');
_;
}
modifier onlyProtocolOrAdmin() {
require(
_directory.hasRole(Constants.CORE_PROTOCOL_ROLE, msg.sender) ||
_directory.hasRole(Constants.ADMIN_ROLE, msg.sender),
'Can only be called by Protocol or Admin!'
);
_;
}
modifier onlyProtocol() {
require(_directory.hasRole(Constants.CORE_PROTOCOL_ROLE, msg.sender), 'Can only be called by Protocol!');
_;
}
modifier onlyShortTimelock() {
require(_directory.hasRole(Constants.TIMELOCK_SHORT, msg.sender), 'Can only be called by short timelock!');
_;
}
modifier onlyMediumTimelock() {
require(_directory.hasRole(Constants.TIMELOCK_MED, msg.sender), 'Can only be called by medium timelock!');
_;
}
modifier onlyLongTimelock() {
require(_directory.hasRole(Constants.TIMELOCK_LONG, msg.sender), 'Can only be called by long timelock!');
_;
}
function getDirectory() public view returns (Directory) {
return _directory;
}
function getImplementation() public view returns (address) {
return _getImplementation();
}
function _authorizeUpgrade(address) internal virtual override onlyLongTimelock {}
}// SPDX-License-Identifier: GPL-3.0-or-later
pragma solidity 0.8.17;
interface IConstellationOracle {
/// @dev Oracle data for yield accrued on the beacon chain.
/// @return The sum of total beacon rewards/penalties earned, in wei, for each minipool in the protocol.
function getTotalYieldAccrued() external view returns (int256);
function getLastUpdatedTotalYieldAccrued() external view returns (uint256);
}// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;
interface ISanctions {
function isSanctioned(address addr) external view returns (bool);
}pragma solidity >0.5.0 <0.9.0;
// SPDX-License-Identifier: GPL-3.0-only
interface IRocketNetworkPenalties {
function submitPenalty(address _minipoolAddress, uint256 _block) external;
function executeUpdatePenalty(address _minipoolAddress, uint256 _block) external;
function getPenaltyCount(address _minipoolAddress) external view returns (uint256);
}pragma solidity >0.5.0 <0.9.0;
// SPDX-License-Identifier: GPL-3.0-only
interface IRocketNetworkPrices {
function getPricesBlock() external view returns (uint256);
function getRPLPrice() external view returns (uint256);
function submitPrices(uint256 _block, uint256 _slotTimestamp, uint256 _rplPrice) external;
function executeUpdatePrices(uint256 _block, uint256 _slotTimestamp, uint256 _rplPrice) external;
}// SPDX License Identifier: GPL v3
pragma solidity 0.8.17;
interface IRocketStorage {
function getNodeWithdrawalAddress(address _nodeAddress) external view returns (address);
function setWithdrawalAddress(address _nodeAddress, address _newWithdrawalAddress, bool _confirm) external;
function getAddress(bytes32 _key) external view returns (address);
}{
"optimizer": {
"enabled": true,
"runs": 200
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"libraries": {}
}Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
Contract ABI
API[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"previousAdmin","type":"address"},{"indexed":false,"internalType":"address","name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"components":[{"internalType":"address","name":"whitelist","type":"address"},{"internalType":"address payable","name":"wethVault","type":"address"},{"internalType":"address","name":"rplVault","type":"address"},{"internalType":"address payable","name":"operatorDistributor","type":"address"},{"internalType":"address payable","name":"merkleClaimStreamer","type":"address"},{"internalType":"address","name":"oracle","type":"address"},{"internalType":"address","name":"priceFetcher","type":"address"},{"internalType":"address payable","name":"superNode","type":"address"},{"internalType":"address","name":"rocketStorage","type":"address"},{"internalType":"address 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Protocol","name":"newProtocol","type":"tuple"}],"name":"AllContractAddressesChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"beacon","type":"address"}],"name":"BeaconUpgraded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint8","name":"version","type":"uint8"}],"name":"Initialized","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"oldAddress","type":"address"},{"indexed":false,"internalType":"address","name":"newAddress","type":"address"}],"name":"OperatorRewardAddressChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"oldAddress","type":"address"},{"indexed":false,"internalType":"address","name":"newAddress","type":"address"}],"name":"OracleAddressChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"previousAdminRole","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"newAdminRole","type":"bytes32"}],"name":"RoleAdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleGranted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleRevoked","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"},{"indexed":false,"internalType":"address","name":"eoa_origin","type":"address"}],"name":"SanctionViolation","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"eoa_origin","type":"address"}],"name":"SanctionViolationSingleOrigin","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bool","name":"oldValue","type":"bool"},{"indexed":false,"internalType":"bool","name":"newValue","type":"bool"}],"name":"SanctionsEnabledChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"oldAddress","type":"address"},{"indexed":false,"internalType":"address","name":"newAddress","type":"address"}],"name":"TreasuryAddressChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"inputs":[],"name":"DEFAULT_ADMIN_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getImplementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getMerkleClaimStreamerAddress","outputs":[{"internalType":"address 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IRocketNetworkPenalties","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getRocketNetworkPrices","outputs":[{"internalType":"contract IRocketNetworkPrices","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getRocketNetworkVotingAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getRocketNodeDepositAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getRocketNodeManagerAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getRocketNodeStakingAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"_tag","type":"string"}],"name":"getRocketPoolAddressByTag","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getRocketStorageAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleAdmin","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getSanctionsAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getSanctionsEnabled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getSuperNodeAddress","outputs":[{"internalType":"address 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Governance","name":"governance","type":"tuple"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_account1","type":"address"},{"internalType":"address","name":"_account2","type":"address"}],"name":"isSanctioned","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"_accounts","type":"address[]"}],"name":"isSanctioned","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"isSanctioned","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"proxiableUUID","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"revokeRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"whitelist","type":"address"},{"internalType":"address payable","name":"wethVault","type":"address"},{"internalType":"address","name":"rplVault","type":"address"},{"internalType":"address payable","name":"operatorDistributor","type":"address"},{"internalType":"address payable","name":"merkleClaimStreamer","type":"address"},{"internalType":"address","name":"oracle","type":"address"},{"internalType":"address","name":"priceFetcher","type":"address"},{"internalType":"address payable","name":"superNode","type":"address"},{"internalType":"address","name":"rocketStorage","type":"address"},{"internalType":"address payable","name":"weth","type":"address"},{"internalType":"address","name":"sanctions","type":"address"}],"internalType":"struct Protocol","name":"newProtocol","type":"tuple"}],"name":"setAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address payable","name":"newOperatorRewards","type":"address"}],"name":"setOperatorRewards","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IConstellationOracle","name":"newOracle","type":"address"}],"name":"setOracle","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"newValue","type":"bool"}],"name":"setSanctionsEnabled","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address payable","name":"newTreasury","type":"address"}],"name":"setTreasury","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"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"}]Contract Creation Code
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Net Worth in USD
$0.00
Net Worth in ETH
0
Multichain Portfolio | 34 Chains
| Chain | Token | Portfolio % | Price | Amount | Value |
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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.