Transaction Hash:
Block:
16291081 at Dec-29-2022 02:42:11 PM +UTC
Transaction Fee:
0.00080971 ETH
$1.83
Gas Used:
47,630 Gas / 17 Gwei
Emitted Events:
346 |
PoolAddressesProvider.PoolDataProviderUpdated( oldAddress=0x00000000...000000000, newAddress=0x7B4EB56E...369a138a3 )
|
Account State Difference:
Address | Before | After | State Difference | ||
---|---|---|---|---|---|
0x2f39d218...34Ad94E9e | (Aave: Pool Address Provider V3) | ||||
0x388C818C...7ccB19297
Miner
| (Lido: Execution Layer Rewards Vault) | 13.563692675466712606 Eth | 13.563696842187599946 Eth | 0.00000416672088734 | |
0xb90594ea...aC7d7266c |
1.529491428 Eth
Nonce: 16
|
1.528681718 Eth
Nonce: 17
| 0.00080971 |
Execution Trace
PoolAddressesProvider.setPoolDataProvider( newDataProvider=0x7B4EB56E7CD4b454BA8ff71E4518426369a138a3 )
setPoolDataProvider[PoolAddressesProvider (ln:615)]
PoolDataProviderUpdated[PoolAddressesProvider (ln:618)]
// SPDX-License-Identifier: AGPL-3.0 pragma solidity 0.8.10; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, 'Address: insufficient balance'); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{value: amount}(''); require(success, 'Address: unable to send value, recipient may have reverted'); } } // SPDX-License-Identifier: MIT pragma solidity 0.8.10; /* * @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 GSN 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 Context { function _msgSender() internal view virtual returns (address payable) { return payable(msg.sender); } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } // SPDX-License-Identifier: MIT pragma solidity 0.8.10; import './Context.sol'; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(_owner == _msgSender(), 'Ownable: caller is not the owner'); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), 'Ownable: new owner is the zero address'); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } // SPDX-License-Identifier: AGPL-3.0 pragma solidity 0.8.10; import './Proxy.sol'; import '../contracts/Address.sol'; /** * @title BaseUpgradeabilityProxy * @dev This contract implements a proxy that allows to change the * implementation address to which it will delegate. * Such a change is called an implementation upgrade. */ contract BaseUpgradeabilityProxy is Proxy { /** * @dev Emitted when the implementation is upgraded. * @param implementation Address of the new implementation. */ event Upgraded(address indexed implementation); /** * @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. * @return impl Address of the current implementation */ function _implementation() internal view override returns (address impl) { bytes32 slot = IMPLEMENTATION_SLOT; //solium-disable-next-line assembly { impl := sload(slot) } } /** * @dev Upgrades the proxy to a new implementation. * @param newImplementation Address of the new implementation. */ function _upgradeTo(address newImplementation) internal { _setImplementation(newImplementation); emit Upgraded(newImplementation); } /** * @dev Sets the implementation address of the proxy. * @param newImplementation Address of the new implementation. */ function _setImplementation(address newImplementation) internal { require( Address.isContract(newImplementation), 'Cannot set a proxy implementation to a non-contract address' ); bytes32 slot = IMPLEMENTATION_SLOT; //solium-disable-next-line assembly { sstore(slot, newImplementation) } } } // SPDX-License-Identifier: AGPL-3.0 pragma solidity 0.8.10; import './BaseUpgradeabilityProxy.sol'; /** * @title InitializableUpgradeabilityProxy * @dev Extends BaseUpgradeabilityProxy with an initializer for initializing * implementation and init data. */ contract InitializableUpgradeabilityProxy is BaseUpgradeabilityProxy { /** * @dev Contract initializer. * @param _logic Address of the initial implementation. * @param _data Data to send as msg.data to the implementation to initialize the proxied contract. * It should include the signature and the parameters of the function to be called, as described in * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding. * This parameter is optional, if no data is given the initialization call to proxied contract will be skipped. */ function initialize(address _logic, bytes memory _data) public payable { require(_implementation() == address(0)); assert(IMPLEMENTATION_SLOT == bytes32(uint256(keccak256('eip1967.proxy.implementation')) - 1)); _setImplementation(_logic); if (_data.length > 0) { (bool success, ) = _logic.delegatecall(_data); require(success); } } } // SPDX-License-Identifier: AGPL-3.0 pragma solidity 0.8.10; /** * @title Proxy * @dev Implements delegation of calls to other contracts, with proper * forwarding of return values and bubbling of failures. * It defines a fallback function that delegates all calls to the address * returned by the abstract _implementation() internal function. */ abstract contract Proxy { /** * @dev Fallback function. * Will run if no other function in the contract matches the call data. * Implemented entirely in `_fallback`. */ fallback() external payable { _fallback(); } /** * @return The Address of the implementation. */ function _implementation() internal view virtual returns (address); /** * @dev Delegates execution to an implementation contract. * This is a low level function that doesn't return to its internal call site. * It will return to the external caller whatever the implementation returns. * @param implementation Address to delegate. */ function _delegate(address implementation) internal { //solium-disable-next-line assembly { // Copy msg.data. We take full control of memory in this inline assembly // block because it will not return to Solidity code. We overwrite the // Solidity scratch pad at memory position 0. calldatacopy(0, 0, calldatasize()) // Call the implementation. // out and outsize are 0 because we don't know the size yet. let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0) // Copy the returned data. returndatacopy(0, 0, returndatasize()) switch result // delegatecall returns 0 on error. case 0 { revert(0, returndatasize()) } default { return(0, returndatasize()) } } } /** * @dev Function that is run as the first thing in the fallback function. * Can be redefined in derived contracts to add functionality. * Redefinitions must call super._willFallback(). */ function _willFallback() internal virtual {} /** * @dev fallback implementation. * Extracted to enable manual triggering. */ function _fallback() internal { _willFallback(); _delegate(_implementation()); } } // SPDX-License-Identifier: AGPL-3.0 pragma solidity ^0.8.0; /** * @title IPoolAddressesProvider * @author Aave * @notice Defines the basic interface for a Pool Addresses Provider. */ interface IPoolAddressesProvider { /** * @dev Emitted when the market identifier is updated. * @param oldMarketId The old id of the market * @param newMarketId The new id of the market */ event MarketIdSet(string indexed oldMarketId, string indexed newMarketId); /** * @dev Emitted when the pool is updated. * @param oldAddress The old address of the Pool * @param newAddress The new address of the Pool */ event PoolUpdated(address indexed oldAddress, address indexed newAddress); /** * @dev Emitted when the pool configurator is updated. * @param oldAddress The old address of the PoolConfigurator * @param newAddress The new address of the PoolConfigurator */ event PoolConfiguratorUpdated(address indexed oldAddress, address indexed newAddress); /** * @dev Emitted when the price oracle is updated. * @param oldAddress The old address of the PriceOracle * @param newAddress The new address of the PriceOracle */ event PriceOracleUpdated(address indexed oldAddress, address indexed newAddress); /** * @dev Emitted when the ACL manager is updated. * @param oldAddress The old address of the ACLManager * @param newAddress The new address of the ACLManager */ event ACLManagerUpdated(address indexed oldAddress, address indexed newAddress); /** * @dev Emitted when the ACL admin is updated. * @param oldAddress The old address of the ACLAdmin * @param newAddress The new address of the ACLAdmin */ event ACLAdminUpdated(address indexed oldAddress, address indexed newAddress); /** * @dev Emitted when the price oracle sentinel is updated. * @param oldAddress The old address of the PriceOracleSentinel * @param newAddress The new address of the PriceOracleSentinel */ event PriceOracleSentinelUpdated(address indexed oldAddress, address indexed newAddress); /** * @dev Emitted when the pool data provider is updated. * @param oldAddress The old address of the PoolDataProvider * @param newAddress The new address of the PoolDataProvider */ event PoolDataProviderUpdated(address indexed oldAddress, address indexed newAddress); /** * @dev Emitted when a new proxy is created. * @param id The identifier of the proxy * @param proxyAddress The address of the created proxy contract * @param implementationAddress The address of the implementation contract */ event ProxyCreated( bytes32 indexed id, address indexed proxyAddress, address indexed implementationAddress ); /** * @dev Emitted when a new non-proxied contract address is registered. * @param id The identifier of the contract * @param oldAddress The address of the old contract * @param newAddress The address of the new contract */ event AddressSet(bytes32 indexed id, address indexed oldAddress, address indexed newAddress); /** * @dev Emitted when the implementation of the proxy registered with id is updated * @param id The identifier of the contract * @param proxyAddress The address of the proxy contract * @param oldImplementationAddress The address of the old implementation contract * @param newImplementationAddress The address of the new implementation contract */ event AddressSetAsProxy( bytes32 indexed id, address indexed proxyAddress, address oldImplementationAddress, address indexed newImplementationAddress ); /** * @notice Returns the id of the Aave market to which this contract points to. * @return The market id */ function getMarketId() external view returns (string memory); /** * @notice Associates an id with a specific PoolAddressesProvider. * @dev This can be used to create an onchain registry of PoolAddressesProviders to * identify and validate multiple Aave markets. * @param newMarketId The market id */ function setMarketId(string calldata newMarketId) external; /** * @notice Returns an address by its identifier. * @dev The returned address might be an EOA or a contract, potentially proxied * @dev It returns ZERO if there is no registered address with the given id * @param id The id * @return The address of the registered for the specified id */ function getAddress(bytes32 id) external view returns (address); /** * @notice General function to update the implementation of a proxy registered with * certain `id`. If there is no proxy registered, it will instantiate one and * set as implementation the `newImplementationAddress`. * @dev IMPORTANT Use this function carefully, only for ids that don't have an explicit * setter function, in order to avoid unexpected consequences * @param id The id * @param newImplementationAddress The address of the new implementation */ function setAddressAsProxy(bytes32 id, address newImplementationAddress) external; /** * @notice Sets an address for an id replacing the address saved in the addresses map. * @dev IMPORTANT Use this function carefully, as it will do a hard replacement * @param id The id * @param newAddress The address to set */ function setAddress(bytes32 id, address newAddress) external; /** * @notice Returns the address of the Pool proxy. * @return The Pool proxy address */ function getPool() external view returns (address); /** * @notice Updates the implementation of the Pool, or creates a proxy * setting the new `pool` implementation when the function is called for the first time. * @param newPoolImpl The new Pool implementation */ function setPoolImpl(address newPoolImpl) external; /** * @notice Returns the address of the PoolConfigurator proxy. * @return The PoolConfigurator proxy address */ function getPoolConfigurator() external view returns (address); /** * @notice Updates the implementation of the PoolConfigurator, or creates a proxy * setting the new `PoolConfigurator` implementation when the function is called for the first time. * @param newPoolConfiguratorImpl The new PoolConfigurator implementation */ function setPoolConfiguratorImpl(address newPoolConfiguratorImpl) external; /** * @notice Returns the address of the price oracle. * @return The address of the PriceOracle */ function getPriceOracle() external view returns (address); /** * @notice Updates the address of the price oracle. * @param newPriceOracle The address of the new PriceOracle */ function setPriceOracle(address newPriceOracle) external; /** * @notice Returns the address of the ACL manager. * @return The address of the ACLManager */ function getACLManager() external view returns (address); /** * @notice Updates the address of the ACL manager. * @param newAclManager The address of the new ACLManager */ function setACLManager(address newAclManager) external; /** * @notice Returns the address of the ACL admin. * @return The address of the ACL admin */ function getACLAdmin() external view returns (address); /** * @notice Updates the address of the ACL admin. * @param newAclAdmin The address of the new ACL admin */ function setACLAdmin(address newAclAdmin) external; /** * @notice Returns the address of the price oracle sentinel. * @return The address of the PriceOracleSentinel */ function getPriceOracleSentinel() external view returns (address); /** * @notice Updates the address of the price oracle sentinel. * @param newPriceOracleSentinel The address of the new PriceOracleSentinel */ function setPriceOracleSentinel(address newPriceOracleSentinel) external; /** * @notice Returns the address of the data provider. * @return The address of the DataProvider */ function getPoolDataProvider() external view returns (address); /** * @notice Updates the address of the data provider. * @param newDataProvider The address of the new DataProvider */ function setPoolDataProvider(address newDataProvider) external; } // SPDX-License-Identifier: BUSL-1.1 pragma solidity 0.8.10; import {Ownable} from '../../dependencies/openzeppelin/contracts/Ownable.sol'; import {IPoolAddressesProvider} from '../../interfaces/IPoolAddressesProvider.sol'; import {InitializableImmutableAdminUpgradeabilityProxy} from '../libraries/aave-upgradeability/InitializableImmutableAdminUpgradeabilityProxy.sol'; /** * @title PoolAddressesProvider * @author Aave * @notice Main registry of addresses part of or connected to the protocol, including permissioned roles * @dev Acts as factory of proxies and admin of those, so with right to change its implementations * @dev Owned by the Aave Governance */ contract PoolAddressesProvider is Ownable, IPoolAddressesProvider { // Identifier of the Aave Market string private _marketId; // Map of registered addresses (identifier => registeredAddress) mapping(bytes32 => address) private _addresses; // Main identifiers bytes32 private constant POOL = 'POOL'; bytes32 private constant POOL_CONFIGURATOR = 'POOL_CONFIGURATOR'; bytes32 private constant PRICE_ORACLE = 'PRICE_ORACLE'; bytes32 private constant ACL_MANAGER = 'ACL_MANAGER'; bytes32 private constant ACL_ADMIN = 'ACL_ADMIN'; bytes32 private constant PRICE_ORACLE_SENTINEL = 'PRICE_ORACLE_SENTINEL'; bytes32 private constant DATA_PROVIDER = 'DATA_PROVIDER'; /** * @dev Constructor. * @param marketId The identifier of the market. * @param owner The owner address of this contract. */ constructor(string memory marketId, address owner) { _setMarketId(marketId); transferOwnership(owner); } /// @inheritdoc IPoolAddressesProvider function getMarketId() external view override returns (string memory) { return _marketId; } /// @inheritdoc IPoolAddressesProvider function setMarketId(string memory newMarketId) external override onlyOwner { _setMarketId(newMarketId); } /// @inheritdoc IPoolAddressesProvider function getAddress(bytes32 id) public view override returns (address) { return _addresses[id]; } /// @inheritdoc IPoolAddressesProvider function setAddress(bytes32 id, address newAddress) external override onlyOwner { address oldAddress = _addresses[id]; _addresses[id] = newAddress; emit AddressSet(id, oldAddress, newAddress); } /// @inheritdoc IPoolAddressesProvider function setAddressAsProxy(bytes32 id, address newImplementationAddress) external override onlyOwner { address proxyAddress = _addresses[id]; address oldImplementationAddress = _getProxyImplementation(id); _updateImpl(id, newImplementationAddress); emit AddressSetAsProxy(id, proxyAddress, oldImplementationAddress, newImplementationAddress); } /// @inheritdoc IPoolAddressesProvider function getPool() external view override returns (address) { return getAddress(POOL); } /// @inheritdoc IPoolAddressesProvider function setPoolImpl(address newPoolImpl) external override onlyOwner { address oldPoolImpl = _getProxyImplementation(POOL); _updateImpl(POOL, newPoolImpl); emit PoolUpdated(oldPoolImpl, newPoolImpl); } /// @inheritdoc IPoolAddressesProvider function getPoolConfigurator() external view override returns (address) { return getAddress(POOL_CONFIGURATOR); } /// @inheritdoc IPoolAddressesProvider function setPoolConfiguratorImpl(address newPoolConfiguratorImpl) external override onlyOwner { address oldPoolConfiguratorImpl = _getProxyImplementation(POOL_CONFIGURATOR); _updateImpl(POOL_CONFIGURATOR, newPoolConfiguratorImpl); emit PoolConfiguratorUpdated(oldPoolConfiguratorImpl, newPoolConfiguratorImpl); } /// @inheritdoc IPoolAddressesProvider function getPriceOracle() external view override returns (address) { return getAddress(PRICE_ORACLE); } /// @inheritdoc IPoolAddressesProvider function setPriceOracle(address newPriceOracle) external override onlyOwner { address oldPriceOracle = _addresses[PRICE_ORACLE]; _addresses[PRICE_ORACLE] = newPriceOracle; emit PriceOracleUpdated(oldPriceOracle, newPriceOracle); } /// @inheritdoc IPoolAddressesProvider function getACLManager() external view override returns (address) { return getAddress(ACL_MANAGER); } /// @inheritdoc IPoolAddressesProvider function setACLManager(address newAclManager) external override onlyOwner { address oldAclManager = _addresses[ACL_MANAGER]; _addresses[ACL_MANAGER] = newAclManager; emit ACLManagerUpdated(oldAclManager, newAclManager); } /// @inheritdoc IPoolAddressesProvider function getACLAdmin() external view override returns (address) { return getAddress(ACL_ADMIN); } /// @inheritdoc IPoolAddressesProvider function setACLAdmin(address newAclAdmin) external override onlyOwner { address oldAclAdmin = _addresses[ACL_ADMIN]; _addresses[ACL_ADMIN] = newAclAdmin; emit ACLAdminUpdated(oldAclAdmin, newAclAdmin); } /// @inheritdoc IPoolAddressesProvider function getPriceOracleSentinel() external view override returns (address) { return getAddress(PRICE_ORACLE_SENTINEL); } /// @inheritdoc IPoolAddressesProvider function setPriceOracleSentinel(address newPriceOracleSentinel) external override onlyOwner { address oldPriceOracleSentinel = _addresses[PRICE_ORACLE_SENTINEL]; _addresses[PRICE_ORACLE_SENTINEL] = newPriceOracleSentinel; emit PriceOracleSentinelUpdated(oldPriceOracleSentinel, newPriceOracleSentinel); } /// @inheritdoc IPoolAddressesProvider function getPoolDataProvider() external view override returns (address) { return getAddress(DATA_PROVIDER); } /// @inheritdoc IPoolAddressesProvider function setPoolDataProvider(address newDataProvider) external override onlyOwner { address oldDataProvider = _addresses[DATA_PROVIDER]; _addresses[DATA_PROVIDER] = newDataProvider; emit PoolDataProviderUpdated(oldDataProvider, newDataProvider); } /** * @notice Internal function to update the implementation of a specific proxied component of the protocol. * @dev If there is no proxy registered with the given identifier, it creates the proxy setting `newAddress` * as implementation and calls the initialize() function on the proxy * @dev If there is already a proxy registered, it just updates the implementation to `newAddress` and * calls the initialize() function via upgradeToAndCall() in the proxy * @param id The id of the proxy to be updated * @param newAddress The address of the new implementation */ function _updateImpl(bytes32 id, address newAddress) internal { address proxyAddress = _addresses[id]; InitializableImmutableAdminUpgradeabilityProxy proxy; bytes memory params = abi.encodeWithSignature('initialize(address)', address(this)); if (proxyAddress == address(0)) { proxy = new InitializableImmutableAdminUpgradeabilityProxy(address(this)); _addresses[id] = proxyAddress = address(proxy); proxy.initialize(newAddress, params); emit ProxyCreated(id, proxyAddress, newAddress); } else { proxy = InitializableImmutableAdminUpgradeabilityProxy(payable(proxyAddress)); proxy.upgradeToAndCall(newAddress, params); } } /** * @notice Updates the identifier of the Aave market. * @param newMarketId The new id of the market */ function _setMarketId(string memory newMarketId) internal { string memory oldMarketId = _marketId; _marketId = newMarketId; emit MarketIdSet(oldMarketId, newMarketId); } /** * @notice Returns the the implementation contract of the proxy contract by its identifier. * @dev It returns ZERO if there is no registered address with the given id * @dev It reverts if the registered address with the given id is not `InitializableImmutableAdminUpgradeabilityProxy` * @param id The id * @return The address of the implementation contract */ function _getProxyImplementation(bytes32 id) internal returns (address) { address proxyAddress = _addresses[id]; if (proxyAddress == address(0)) { return address(0); } else { address payable payableProxyAddress = payable(proxyAddress); return InitializableImmutableAdminUpgradeabilityProxy(payableProxyAddress).implementation(); } } } // SPDX-License-Identifier: AGPL-3.0 pragma solidity 0.8.10; import {BaseUpgradeabilityProxy} from '../../../dependencies/openzeppelin/upgradeability/BaseUpgradeabilityProxy.sol'; /** * @title BaseImmutableAdminUpgradeabilityProxy * @author Aave, inspired by the OpenZeppelin upgradeability proxy pattern * @notice This contract combines an upgradeability proxy with an authorization * mechanism for administrative tasks. * @dev The admin role is stored in an immutable, which helps saving transactions costs * All external functions in this contract must be guarded by the * `ifAdmin` modifier. See ethereum/solidity#3864 for a Solidity * feature proposal that would enable this to be done automatically. */ contract BaseImmutableAdminUpgradeabilityProxy is BaseUpgradeabilityProxy { address internal immutable _admin; /** * @dev Constructor. * @param admin The address of the admin */ constructor(address admin) { _admin = admin; } modifier ifAdmin() { if (msg.sender == _admin) { _; } else { _fallback(); } } /** * @notice Return the admin address * @return The address of the proxy admin. */ function admin() external ifAdmin returns (address) { return _admin; } /** * @notice Return the implementation address * @return The address of the implementation. */ function implementation() external ifAdmin returns (address) { return _implementation(); } /** * @notice Upgrade the backing implementation of the proxy. * @dev Only the admin can call this function. * @param newImplementation The address of the new implementation. */ function upgradeTo(address newImplementation) external ifAdmin { _upgradeTo(newImplementation); } /** * @notice Upgrade the backing implementation of the proxy and call a function * on the new implementation. * @dev This is useful to initialize the proxied contract. * @param newImplementation The address of the new implementation. * @param data Data to send as msg.data in the low level call. * It should include the signature and the parameters of the function to be called, as described in * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding. */ function upgradeToAndCall(address newImplementation, bytes calldata data) external payable ifAdmin { _upgradeTo(newImplementation); (bool success, ) = newImplementation.delegatecall(data); require(success); } /** * @notice Only fall back when the sender is not the admin. */ function _willFallback() internal virtual override { require(msg.sender != _admin, 'Cannot call fallback function from the proxy admin'); super._willFallback(); } } // SPDX-License-Identifier: AGPL-3.0 pragma solidity 0.8.10; import {InitializableUpgradeabilityProxy} from '../../../dependencies/openzeppelin/upgradeability/InitializableUpgradeabilityProxy.sol'; import {Proxy} from '../../../dependencies/openzeppelin/upgradeability/Proxy.sol'; import {BaseImmutableAdminUpgradeabilityProxy} from './BaseImmutableAdminUpgradeabilityProxy.sol'; /** * @title InitializableAdminUpgradeabilityProxy * @author Aave * @dev Extends BaseAdminUpgradeabilityProxy with an initializer function */ contract InitializableImmutableAdminUpgradeabilityProxy is BaseImmutableAdminUpgradeabilityProxy, InitializableUpgradeabilityProxy { /** * @dev Constructor. * @param admin The address of the admin */ constructor(address admin) BaseImmutableAdminUpgradeabilityProxy(admin) { // Intentionally left blank } /// @inheritdoc BaseImmutableAdminUpgradeabilityProxy function _willFallback() internal override(BaseImmutableAdminUpgradeabilityProxy, Proxy) { BaseImmutableAdminUpgradeabilityProxy._willFallback(); } }