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Set Asset Source...83765112023-01-25 23:21:12316 days 2 hrs ago1674688872IN
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 Create: AaveOracle
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Contract Source Code Verified (Exact Match)

Contract Name:
AaveOracle

Compiler Version
v0.8.10+commit.fc410830

Optimization Enabled:
Yes with 100000 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity Standard Json-Input format)

File 6 of 7 : AaveOracle.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.10;

import {AggregatorInterface} from '../dependencies/chainlink/AggregatorInterface.sol';
import {Errors} from '../protocol/libraries/helpers/Errors.sol';
import {IACLManager} from '../interfaces/IACLManager.sol';
import {IPoolAddressesProvider} from '../interfaces/IPoolAddressesProvider.sol';
import {IPriceOracleGetter} from '../interfaces/IPriceOracleGetter.sol';
import {IAaveOracle} from '../interfaces/IAaveOracle.sol';

/**
 * @title AaveOracle
 * @author Aave
 * @notice Contract to get asset prices, manage price sources and update the fallback oracle
 * - Use of Chainlink Aggregators as first source of price
 * - If the returned price by a Chainlink aggregator is <= 0, the call is forwarded to a fallback oracle
 * - Owned by the Aave governance
 */
contract AaveOracle is IAaveOracle {
  IPoolAddressesProvider public immutable ADDRESSES_PROVIDER;

  // Map of asset price sources (asset => priceSource)
  mapping(address => AggregatorInterface) private assetsSources;

  IPriceOracleGetter private _fallbackOracle;
  address public immutable override BASE_CURRENCY;
  uint256 public immutable override BASE_CURRENCY_UNIT;

  /**
   * @dev Only asset listing or pool admin can call functions marked by this modifier.
   */
  modifier onlyAssetListingOrPoolAdmins() {
    _onlyAssetListingOrPoolAdmins();
    _;
  }

  /**
   * @notice Constructor
   * @param provider The address of the new PoolAddressesProvider
   * @param assets The addresses of the assets
   * @param sources The address of the source of each asset
   * @param fallbackOracle The address of the fallback oracle to use if the data of an
   *        aggregator is not consistent
   * @param baseCurrency The base currency used for the price quotes. If USD is used, base currency is 0x0
   * @param baseCurrencyUnit The unit of the base currency
   */
  constructor(
    IPoolAddressesProvider provider,
    address[] memory assets,
    address[] memory sources,
    address fallbackOracle,
    address baseCurrency,
    uint256 baseCurrencyUnit
  ) {
    ADDRESSES_PROVIDER = provider;
    _setFallbackOracle(fallbackOracle);
    _setAssetsSources(assets, sources);
    BASE_CURRENCY = baseCurrency;
    BASE_CURRENCY_UNIT = baseCurrencyUnit;
    emit BaseCurrencySet(baseCurrency, baseCurrencyUnit);
  }

  /// @inheritdoc IAaveOracle
  function setAssetSources(address[] calldata assets, address[] calldata sources)
    external
    override
    onlyAssetListingOrPoolAdmins
  {
    _setAssetsSources(assets, sources);
  }

  /// @inheritdoc IAaveOracle
  function setFallbackOracle(address fallbackOracle)
    external
    override
    onlyAssetListingOrPoolAdmins
  {
    _setFallbackOracle(fallbackOracle);
  }

  /**
   * @notice Internal function to set the sources for each asset
   * @param assets The addresses of the assets
   * @param sources The address of the source of each asset
   */
  function _setAssetsSources(address[] memory assets, address[] memory sources) internal {
    require(assets.length == sources.length, Errors.INCONSISTENT_PARAMS_LENGTH);
    for (uint256 i = 0; i < assets.length; i++) {
      assetsSources[assets[i]] = AggregatorInterface(sources[i]);
      emit AssetSourceUpdated(assets[i], sources[i]);
    }
  }

  /**
   * @notice Internal function to set the fallback oracle
   * @param fallbackOracle The address of the fallback oracle
   */
  function _setFallbackOracle(address fallbackOracle) internal {
    _fallbackOracle = IPriceOracleGetter(fallbackOracle);
    emit FallbackOracleUpdated(fallbackOracle);
  }

  /// @inheritdoc IPriceOracleGetter
  function getAssetPrice(address asset) public view override returns (uint256) {
    AggregatorInterface source = assetsSources[asset];

    if (asset == BASE_CURRENCY) {
      return BASE_CURRENCY_UNIT;
    } else if (address(source) == address(0)) {
      return _fallbackOracle.getAssetPrice(asset);
    } else {
      int256 price = source.latestAnswer();
      if (price > 0) {
        return uint256(price);
      } else {
        return _fallbackOracle.getAssetPrice(asset);
      }
    }
  }

  /// @inheritdoc IAaveOracle
  function getAssetsPrices(address[] calldata assets)
    external
    view
    override
    returns (uint256[] memory)
  {
    uint256[] memory prices = new uint256[](assets.length);
    for (uint256 i = 0; i < assets.length; i++) {
      prices[i] = getAssetPrice(assets[i]);
    }
    return prices;
  }

  /// @inheritdoc IAaveOracle
  function getSourceOfAsset(address asset) external view override returns (address) {
    return address(assetsSources[asset]);
  }

  /// @inheritdoc IAaveOracle
  function getFallbackOracle() external view returns (address) {
    return address(_fallbackOracle);
  }

  function _onlyAssetListingOrPoolAdmins() internal view {
    IACLManager aclManager = IACLManager(ADDRESSES_PROVIDER.getACLManager());
    require(
      aclManager.isAssetListingAdmin(msg.sender) || aclManager.isPoolAdmin(msg.sender),
      Errors.CALLER_NOT_ASSET_LISTING_OR_POOL_ADMIN
    );
  }
}

File 2 of 7 : AggregatorInterface.sol
// SPDX-License-Identifier: MIT
// Chainlink Contracts v0.8
pragma solidity ^0.8.0;

interface AggregatorInterface {
  function latestAnswer() external view returns (int256);

  function latestTimestamp() external view returns (uint256);

  function latestRound() external view returns (uint256);

  function getAnswer(uint256 roundId) external view returns (int256);

  function getTimestamp(uint256 roundId) external view returns (uint256);

  event AnswerUpdated(int256 indexed current, uint256 indexed roundId, uint256 updatedAt);

  event NewRound(uint256 indexed roundId, address indexed startedBy, uint256 startedAt);
}

File 3 of 7 : IAaveOracle.sol
// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;

import {IPriceOracleGetter} from './IPriceOracleGetter.sol';
import {IPoolAddressesProvider} from './IPoolAddressesProvider.sol';

/**
 * @title IAaveOracle
 * @author Aave
 * @notice Defines the basic interface for the Aave Oracle
 */
interface IAaveOracle is IPriceOracleGetter {
  /**
   * @dev Emitted after the base currency is set
   * @param baseCurrency The base currency of used for price quotes
   * @param baseCurrencyUnit The unit of the base currency
   */
  event BaseCurrencySet(address indexed baseCurrency, uint256 baseCurrencyUnit);

  /**
   * @dev Emitted after the price source of an asset is updated
   * @param asset The address of the asset
   * @param source The price source of the asset
   */
  event AssetSourceUpdated(address indexed asset, address indexed source);

  /**
   * @dev Emitted after the address of fallback oracle is updated
   * @param fallbackOracle The address of the fallback oracle
   */
  event FallbackOracleUpdated(address indexed fallbackOracle);

  /**
   * @notice Returns the PoolAddressesProvider
   * @return The address of the PoolAddressesProvider contract
   */
  function ADDRESSES_PROVIDER() external view returns (IPoolAddressesProvider);

  /**
   * @notice Sets or replaces price sources of assets
   * @param assets The addresses of the assets
   * @param sources The addresses of the price sources
   */
  function setAssetSources(address[] calldata assets, address[] calldata sources) external;

  /**
   * @notice Sets the fallback oracle
   * @param fallbackOracle The address of the fallback oracle
   */
  function setFallbackOracle(address fallbackOracle) external;

  /**
   * @notice Returns a list of prices from a list of assets addresses
   * @param assets The list of assets addresses
   * @return The prices of the given assets
   */
  function getAssetsPrices(address[] calldata assets) external view returns (uint256[] memory);

  /**
   * @notice Returns the address of the source for an asset address
   * @param asset The address of the asset
   * @return The address of the source
   */
  function getSourceOfAsset(address asset) external view returns (address);

  /**
   * @notice Returns the address of the fallback oracle
   * @return The address of the fallback oracle
   */
  function getFallbackOracle() external view returns (address);
}

File 4 of 7 : IACLManager.sol
// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;

import {IPoolAddressesProvider} from './IPoolAddressesProvider.sol';

/**
 * @title IACLManager
 * @author Aave
 * @notice Defines the basic interface for the ACL Manager
 */
interface IACLManager {
  /**
   * @notice Returns the contract address of the PoolAddressesProvider
   * @return The address of the PoolAddressesProvider
   */
  function ADDRESSES_PROVIDER() external view returns (IPoolAddressesProvider);

  /**
   * @notice Returns the identifier of the PoolAdmin role
   * @return The id of the PoolAdmin role
   */
  function POOL_ADMIN_ROLE() external view returns (bytes32);

  /**
   * @notice Returns the identifier of the EmergencyAdmin role
   * @return The id of the EmergencyAdmin role
   */
  function EMERGENCY_ADMIN_ROLE() external view returns (bytes32);

  /**
   * @notice Returns the identifier of the RiskAdmin role
   * @return The id of the RiskAdmin role
   */
  function RISK_ADMIN_ROLE() external view returns (bytes32);

  /**
   * @notice Returns the identifier of the FlashBorrower role
   * @return The id of the FlashBorrower role
   */
  function FLASH_BORROWER_ROLE() external view returns (bytes32);

  /**
   * @notice Returns the identifier of the Bridge role
   * @return The id of the Bridge role
   */
  function BRIDGE_ROLE() external view returns (bytes32);

  /**
   * @notice Returns the identifier of the AssetListingAdmin role
   * @return The id of the AssetListingAdmin role
   */
  function ASSET_LISTING_ADMIN_ROLE() external view returns (bytes32);

  /**
   * @notice Set the role as admin of a specific role.
   * @dev By default the admin role for all roles is `DEFAULT_ADMIN_ROLE`.
   * @param role The role to be managed by the admin role
   * @param adminRole The admin role
   */
  function setRoleAdmin(bytes32 role, bytes32 adminRole) external;

  /**
   * @notice Adds a new admin as PoolAdmin
   * @param admin The address of the new admin
   */
  function addPoolAdmin(address admin) external;

  /**
   * @notice Removes an admin as PoolAdmin
   * @param admin The address of the admin to remove
   */
  function removePoolAdmin(address admin) external;

  /**
   * @notice Returns true if the address is PoolAdmin, false otherwise
   * @param admin The address to check
   * @return True if the given address is PoolAdmin, false otherwise
   */
  function isPoolAdmin(address admin) external view returns (bool);

  /**
   * @notice Adds a new admin as EmergencyAdmin
   * @param admin The address of the new admin
   */
  function addEmergencyAdmin(address admin) external;

  /**
   * @notice Removes an admin as EmergencyAdmin
   * @param admin The address of the admin to remove
   */
  function removeEmergencyAdmin(address admin) external;

  /**
   * @notice Returns true if the address is EmergencyAdmin, false otherwise
   * @param admin The address to check
   * @return True if the given address is EmergencyAdmin, false otherwise
   */
  function isEmergencyAdmin(address admin) external view returns (bool);

  /**
   * @notice Adds a new admin as RiskAdmin
   * @param admin The address of the new admin
   */
  function addRiskAdmin(address admin) external;

  /**
   * @notice Removes an admin as RiskAdmin
   * @param admin The address of the admin to remove
   */
  function removeRiskAdmin(address admin) external;

  /**
   * @notice Returns true if the address is RiskAdmin, false otherwise
   * @param admin The address to check
   * @return True if the given address is RiskAdmin, false otherwise
   */
  function isRiskAdmin(address admin) external view returns (bool);

  /**
   * @notice Adds a new address as FlashBorrower
   * @param borrower The address of the new FlashBorrower
   */
  function addFlashBorrower(address borrower) external;

  /**
   * @notice Removes an address as FlashBorrower
   * @param borrower The address of the FlashBorrower to remove
   */
  function removeFlashBorrower(address borrower) external;

  /**
   * @notice Returns true if the address is FlashBorrower, false otherwise
   * @param borrower The address to check
   * @return True if the given address is FlashBorrower, false otherwise
   */
  function isFlashBorrower(address borrower) external view returns (bool);

  /**
   * @notice Adds a new address as Bridge
   * @param bridge The address of the new Bridge
   */
  function addBridge(address bridge) external;

  /**
   * @notice Removes an address as Bridge
   * @param bridge The address of the bridge to remove
   */
  function removeBridge(address bridge) external;

  /**
   * @notice Returns true if the address is Bridge, false otherwise
   * @param bridge The address to check
   * @return True if the given address is Bridge, false otherwise
   */
  function isBridge(address bridge) external view returns (bool);

  /**
   * @notice Adds a new admin as AssetListingAdmin
   * @param admin The address of the new admin
   */
  function addAssetListingAdmin(address admin) external;

  /**
   * @notice Removes an admin as AssetListingAdmin
   * @param admin The address of the admin to remove
   */
  function removeAssetListingAdmin(address admin) external;

  /**
   * @notice Returns true if the address is AssetListingAdmin, false otherwise
   * @param admin The address to check
   * @return True if the given address is AssetListingAdmin, false otherwise
   */
  function isAssetListingAdmin(address admin) external view returns (bool);
}

File 5 of 7 : IPoolAddressesProvider.sol
// 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;
}

File 6 of 7 : IPriceOracleGetter.sol
// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;

/**
 * @title IPriceOracleGetter
 * @author Aave
 * @notice Interface for the Aave price oracle.
 */
interface IPriceOracleGetter {
  /**
   * @notice Returns the base currency address
   * @dev Address 0x0 is reserved for USD as base currency.
   * @return Returns the base currency address.
   */
  function BASE_CURRENCY() external view returns (address);

  /**
   * @notice Returns the base currency unit
   * @dev 1 ether for ETH, 1e8 for USD.
   * @return Returns the base currency unit.
   */
  function BASE_CURRENCY_UNIT() external view returns (uint256);

  /**
   * @notice Returns the asset price in the base currency
   * @param asset The address of the asset
   * @return The price of the asset
   */
  function getAssetPrice(address asset) external view returns (uint256);
}

File 7 of 7 : Errors.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.0;

/**
 * @title Errors library
 * @author Aave
 * @notice Defines the error messages emitted by the different contracts of the Aave protocol
 */
library Errors {
  string public constant CALLER_NOT_POOL_ADMIN = '1'; // 'The caller of the function is not a pool admin'
  string public constant CALLER_NOT_EMERGENCY_ADMIN = '2'; // 'The caller of the function is not an emergency admin'
  string public constant CALLER_NOT_POOL_OR_EMERGENCY_ADMIN = '3'; // 'The caller of the function is not a pool or emergency admin'
  string public constant CALLER_NOT_RISK_OR_POOL_ADMIN = '4'; // 'The caller of the function is not a risk or pool admin'
  string public constant CALLER_NOT_ASSET_LISTING_OR_POOL_ADMIN = '5'; // 'The caller of the function is not an asset listing or pool admin'
  string public constant CALLER_NOT_BRIDGE = '6'; // 'The caller of the function is not a bridge'
  string public constant ADDRESSES_PROVIDER_NOT_REGISTERED = '7'; // 'Pool addresses provider is not registered'
  string public constant INVALID_ADDRESSES_PROVIDER_ID = '8'; // 'Invalid id for the pool addresses provider'
  string public constant NOT_CONTRACT = '9'; // 'Address is not a contract'
  string public constant CALLER_NOT_POOL_CONFIGURATOR = '10'; // 'The caller of the function is not the pool configurator'
  string public constant CALLER_NOT_ATOKEN = '11'; // 'The caller of the function is not an AToken'
  string public constant INVALID_ADDRESSES_PROVIDER = '12'; // 'The address of the pool addresses provider is invalid'
  string public constant INVALID_FLASHLOAN_EXECUTOR_RETURN = '13'; // 'Invalid return value of the flashloan executor function'
  string public constant RESERVE_ALREADY_ADDED = '14'; // 'Reserve has already been added to reserve list'
  string public constant NO_MORE_RESERVES_ALLOWED = '15'; // 'Maximum amount of reserves in the pool reached'
  string public constant EMODE_CATEGORY_RESERVED = '16'; // 'Zero eMode category is reserved for volatile heterogeneous assets'
  string public constant INVALID_EMODE_CATEGORY_ASSIGNMENT = '17'; // 'Invalid eMode category assignment to asset'
  string public constant RESERVE_LIQUIDITY_NOT_ZERO = '18'; // 'The liquidity of the reserve needs to be 0'
  string public constant FLASHLOAN_PREMIUM_INVALID = '19'; // 'Invalid flashloan premium'
  string public constant INVALID_RESERVE_PARAMS = '20'; // 'Invalid risk parameters for the reserve'
  string public constant INVALID_EMODE_CATEGORY_PARAMS = '21'; // 'Invalid risk parameters for the eMode category'
  string public constant BRIDGE_PROTOCOL_FEE_INVALID = '22'; // 'Invalid bridge protocol fee'
  string public constant CALLER_MUST_BE_POOL = '23'; // 'The caller of this function must be a pool'
  string public constant INVALID_MINT_AMOUNT = '24'; // 'Invalid amount to mint'
  string public constant INVALID_BURN_AMOUNT = '25'; // 'Invalid amount to burn'
  string public constant INVALID_AMOUNT = '26'; // 'Amount must be greater than 0'
  string public constant RESERVE_INACTIVE = '27'; // 'Action requires an active reserve'
  string public constant RESERVE_FROZEN = '28'; // 'Action cannot be performed because the reserve is frozen'
  string public constant RESERVE_PAUSED = '29'; // 'Action cannot be performed because the reserve is paused'
  string public constant BORROWING_NOT_ENABLED = '30'; // 'Borrowing is not enabled'
  string public constant STABLE_BORROWING_NOT_ENABLED = '31'; // 'Stable borrowing is not enabled'
  string public constant NOT_ENOUGH_AVAILABLE_USER_BALANCE = '32'; // 'User cannot withdraw more than the available balance'
  string public constant INVALID_INTEREST_RATE_MODE_SELECTED = '33'; // 'Invalid interest rate mode selected'
  string public constant COLLATERAL_BALANCE_IS_ZERO = '34'; // 'The collateral balance is 0'
  string public constant HEALTH_FACTOR_LOWER_THAN_LIQUIDATION_THRESHOLD = '35'; // 'Health factor is lesser than the liquidation threshold'
  string public constant COLLATERAL_CANNOT_COVER_NEW_BORROW = '36'; // 'There is not enough collateral to cover a new borrow'
  string public constant COLLATERAL_SAME_AS_BORROWING_CURRENCY = '37'; // 'Collateral is (mostly) the same currency that is being borrowed'
  string public constant AMOUNT_BIGGER_THAN_MAX_LOAN_SIZE_STABLE = '38'; // 'The requested amount is greater than the max loan size in stable rate mode'
  string public constant NO_DEBT_OF_SELECTED_TYPE = '39'; // 'For repayment of a specific type of debt, the user needs to have debt that type'
  string public constant NO_EXPLICIT_AMOUNT_TO_REPAY_ON_BEHALF = '40'; // 'To repay on behalf of a user an explicit amount to repay is needed'
  string public constant NO_OUTSTANDING_STABLE_DEBT = '41'; // 'User does not have outstanding stable rate debt on this reserve'
  string public constant NO_OUTSTANDING_VARIABLE_DEBT = '42'; // 'User does not have outstanding variable rate debt on this reserve'
  string public constant UNDERLYING_BALANCE_ZERO = '43'; // 'The underlying balance needs to be greater than 0'
  string public constant INTEREST_RATE_REBALANCE_CONDITIONS_NOT_MET = '44'; // 'Interest rate rebalance conditions were not met'
  string public constant HEALTH_FACTOR_NOT_BELOW_THRESHOLD = '45'; // 'Health factor is not below the threshold'
  string public constant COLLATERAL_CANNOT_BE_LIQUIDATED = '46'; // 'The collateral chosen cannot be liquidated'
  string public constant SPECIFIED_CURRENCY_NOT_BORROWED_BY_USER = '47'; // 'User did not borrow the specified currency'
  string public constant INCONSISTENT_FLASHLOAN_PARAMS = '49'; // 'Inconsistent flashloan parameters'
  string public constant BORROW_CAP_EXCEEDED = '50'; // 'Borrow cap is exceeded'
  string public constant SUPPLY_CAP_EXCEEDED = '51'; // 'Supply cap is exceeded'
  string public constant UNBACKED_MINT_CAP_EXCEEDED = '52'; // 'Unbacked mint cap is exceeded'
  string public constant DEBT_CEILING_EXCEEDED = '53'; // 'Debt ceiling is exceeded'
  string public constant UNDERLYING_CLAIMABLE_RIGHTS_NOT_ZERO = '54'; // 'Claimable rights over underlying not zero (aToken supply or accruedToTreasury)'
  string public constant STABLE_DEBT_NOT_ZERO = '55'; // 'Stable debt supply is not zero'
  string public constant VARIABLE_DEBT_SUPPLY_NOT_ZERO = '56'; // 'Variable debt supply is not zero'
  string public constant LTV_VALIDATION_FAILED = '57'; // 'Ltv validation failed'
  string public constant INCONSISTENT_EMODE_CATEGORY = '58'; // 'Inconsistent eMode category'
  string public constant PRICE_ORACLE_SENTINEL_CHECK_FAILED = '59'; // 'Price oracle sentinel validation failed'
  string public constant ASSET_NOT_BORROWABLE_IN_ISOLATION = '60'; // 'Asset is not borrowable in isolation mode'
  string public constant RESERVE_ALREADY_INITIALIZED = '61'; // 'Reserve has already been initialized'
  string public constant USER_IN_ISOLATION_MODE = '62'; // 'User is in isolation mode'
  string public constant INVALID_LTV = '63'; // 'Invalid ltv parameter for the reserve'
  string public constant INVALID_LIQ_THRESHOLD = '64'; // 'Invalid liquidity threshold parameter for the reserve'
  string public constant INVALID_LIQ_BONUS = '65'; // 'Invalid liquidity bonus parameter for the reserve'
  string public constant INVALID_DECIMALS = '66'; // 'Invalid decimals parameter of the underlying asset of the reserve'
  string public constant INVALID_RESERVE_FACTOR = '67'; // 'Invalid reserve factor parameter for the reserve'
  string public constant INVALID_BORROW_CAP = '68'; // 'Invalid borrow cap for the reserve'
  string public constant INVALID_SUPPLY_CAP = '69'; // 'Invalid supply cap for the reserve'
  string public constant INVALID_LIQUIDATION_PROTOCOL_FEE = '70'; // 'Invalid liquidation protocol fee for the reserve'
  string public constant INVALID_EMODE_CATEGORY = '71'; // 'Invalid eMode category for the reserve'
  string public constant INVALID_UNBACKED_MINT_CAP = '72'; // 'Invalid unbacked mint cap for the reserve'
  string public constant INVALID_DEBT_CEILING = '73'; // 'Invalid debt ceiling for the reserve
  string public constant INVALID_RESERVE_INDEX = '74'; // 'Invalid reserve index'
  string public constant ACL_ADMIN_CANNOT_BE_ZERO = '75'; // 'ACL admin cannot be set to the zero address'
  string public constant INCONSISTENT_PARAMS_LENGTH = '76'; // 'Array parameters that should be equal length are not'
  string public constant ZERO_ADDRESS_NOT_VALID = '77'; // 'Zero address not valid'
  string public constant INVALID_EXPIRATION = '78'; // 'Invalid expiration'
  string public constant INVALID_SIGNATURE = '79'; // 'Invalid signature'
  string public constant OPERATION_NOT_SUPPORTED = '80'; // 'Operation not supported'
  string public constant DEBT_CEILING_NOT_ZERO = '81'; // 'Debt ceiling is not zero'
  string public constant ASSET_NOT_LISTED = '82'; // 'Asset is not listed'
  string public constant INVALID_OPTIMAL_USAGE_RATIO = '83'; // 'Invalid optimal usage ratio'
  string public constant INVALID_OPTIMAL_STABLE_TO_TOTAL_DEBT_RATIO = '84'; // 'Invalid optimal stable to total debt ratio'
  string public constant UNDERLYING_CANNOT_BE_RESCUED = '85'; // 'The underlying asset cannot be rescued'
  string public constant ADDRESSES_PROVIDER_ALREADY_ADDED = '86'; // 'Reserve has already been added to reserve list'
  string public constant POOL_ADDRESSES_DO_NOT_MATCH = '87'; // 'The token implementation pool address and the pool address provided by the initializing pool do not match'
  string public constant STABLE_BORROWING_ENABLED = '88'; // 'Stable borrowing is enabled'
  string public constant SILOED_BORROWING_VIOLATION = '89'; // 'User is trying to borrow multiple assets including a siloed one'
  string public constant RESERVE_DEBT_NOT_ZERO = '90'; // the total debt of the reserve needs to be 0
  string public constant FLASHLOAN_DISABLED = '91'; // FlashLoaning for this asset is disabled
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 100000
  },
  "evmVersion": "london",
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

Contract ABI

[{"inputs":[{"internalType":"contract IPoolAddressesProvider","name":"provider","type":"address"},{"internalType":"address[]","name":"assets","type":"address[]"},{"internalType":"address[]","name":"sources","type":"address[]"},{"internalType":"address","name":"fallbackOracle","type":"address"},{"internalType":"address","name":"baseCurrency","type":"address"},{"internalType":"uint256","name":"baseCurrencyUnit","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"asset","type":"address"},{"indexed":true,"internalType":"address","name":"source","type":"address"}],"name":"AssetSourceUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"baseCurrency","type":"address"},{"indexed":false,"internalType":"uint256","name":"baseCurrencyUnit","type":"uint256"}],"name":"BaseCurrencySet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"fallbackOracle","type":"address"}],"name":"FallbackOracleUpdated","type":"event"},{"inputs":[],"name":"ADDRESSES_PROVIDER","outputs":[{"internalType":"contract IPoolAddressesProvider","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"BASE_CURRENCY","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"BASE_CURRENCY_UNIT","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"asset","type":"address"}],"name":"getAssetPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"assets","type":"address[]"}],"name":"getAssetsPrices","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getFallbackOracle","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"asset","type":"address"}],"name":"getSourceOfAsset","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"assets","type":"address[]"},{"internalType":"address[]","name":"sources","type":"address[]"}],"name":"setAssetSources","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"fallbackOracle","type":"address"}],"name":"setFallbackOracle","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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Deployed Bytecode

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

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

-----Decoded View---------------
Arg [0] : provider (address): 0x4dd5ab8Fb385F2e12aDe435ba7AFA812F1d364D0
Arg [1] : assets (address[]): 0xE205181Eb3D7415f15377F79aA7769F846cE56DD,0xD77b79BE3e85351fF0cbe78f1B58cf8d1064047C,0x69305b943C6F55743b2Ece5c0b20507300a39FC3,0x84ced17d95F3EC7230bAf4a369F1e624Ae60090d,0x2166903C38B4883B855eA2C77A02430a27Cdfede
Arg [2] : sources (address[]): 0xFAa450873a4b162D32f545a85e678C13Ca8d4Ae9,0x3D9069811D8ABFaFBf16Fa07FC875E39D4dd29DA,0xb56b714beF6892Bb4b1C342557bb6a1dD3Cb8cb7,0xD54126c116372F2D524eCfc8831E936C999a894B,0x1445d6061cd1Bf04b8301292f25E1D7d027CdE04
Arg [3] : fallbackOracle (address): 0x0000000000000000000000000000000000000000
Arg [4] : baseCurrency (address): 0x0000000000000000000000000000000000000000
Arg [5] : baseCurrencyUnit (uint256): 100000000

-----Encoded View---------------
18 Constructor Arguments found :
Arg [0] : 0000000000000000000000004dd5ab8fb385f2e12ade435ba7afa812f1d364d0
Arg [1] : 00000000000000000000000000000000000000000000000000000000000000c0
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000180
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [5] : 0000000000000000000000000000000000000000000000000000000005f5e100
Arg [6] : 0000000000000000000000000000000000000000000000000000000000000005
Arg [7] : 000000000000000000000000e205181eb3d7415f15377f79aa7769f846ce56dd
Arg [8] : 000000000000000000000000d77b79be3e85351ff0cbe78f1b58cf8d1064047c
Arg [9] : 00000000000000000000000069305b943c6f55743b2ece5c0b20507300a39fc3
Arg [10] : 00000000000000000000000084ced17d95f3ec7230baf4a369f1e624ae60090d
Arg [11] : 0000000000000000000000002166903c38b4883b855ea2c77a02430a27cdfede
Arg [12] : 0000000000000000000000000000000000000000000000000000000000000005
Arg [13] : 000000000000000000000000faa450873a4b162d32f545a85e678c13ca8d4ae9
Arg [14] : 0000000000000000000000003d9069811d8abfafbf16fa07fc875e39d4dd29da
Arg [15] : 000000000000000000000000b56b714bef6892bb4b1c342557bb6a1dd3cb8cb7
Arg [16] : 000000000000000000000000d54126c116372f2d524ecfc8831e936c999a894b
Arg [17] : 0000000000000000000000001445d6061cd1bf04b8301292f25e1d7d027cde04


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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.