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Contract Name:
AaveV3ConfigEngine
Compiler Version
v0.8.22+commit.4fc1097e
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: BUSL-1.1 pragma solidity ^0.8.18; import {Address} from 'openzeppelin-contracts/contracts/utils/Address.sol'; import {CapsEngine} from './libraries/CapsEngine.sol'; import {BorrowEngine} from './libraries/BorrowEngine.sol'; import {CollateralEngine} from './libraries/CollateralEngine.sol'; import {RateEngine} from './libraries/RateEngine.sol'; import {PriceFeedEngine} from './libraries/PriceFeedEngine.sol'; import {EModeEngine} from './libraries/EModeEngine.sol'; import {ListingEngine} from './libraries/ListingEngine.sol'; import './IAaveV3ConfigEngine.sol'; /** * @dev Helper smart contract abstracting the complexity of changing configurations on Aave v3, simplifying * - !!!IMPORTANT!!! This engine MUST BE STATELESS always, as in practise is a library to be used via DELEGATECALL * listing flow and parameters updates. * - It is planned to be used via delegatecall, by any contract having appropriate permissions to * do a listing, or any other granular config * Assumptions: * - Only one RewardsController for all assets * - Only one Collector for all assets * @author BGD Labs */ contract AaveV3ConfigEngine is IAaveV3ConfigEngine { using Address for address; IPool public immutable POOL; IPoolConfigurator public immutable POOL_CONFIGURATOR; IAaveOracle public immutable ORACLE; address public immutable ATOKEN_IMPL; address public immutable VTOKEN_IMPL; address public immutable REWARDS_CONTROLLER; address public immutable COLLECTOR; address public immutable DEFAULT_INTEREST_RATE_STRATEGY; address public immutable BORROW_ENGINE; address public immutable CAPS_ENGINE; address public immutable COLLATERAL_ENGINE; address public immutable EMODE_ENGINE; address public immutable LISTING_ENGINE; address public immutable PRICE_FEED_ENGINE; address public immutable RATE_ENGINE; /** * @dev Constructor. * @param aTokenImpl The address of default aToken implementation. * @param vTokenImpl The address of default variable debt token implementation. * @param engineConstants The struct containing all the engine constants. * @param engineLibraries The struct containing the addresses of stateless libraries containing the engine logic. */ constructor( address aTokenImpl, address vTokenImpl, EngineConstants memory engineConstants, EngineLibraries memory engineLibraries ) { require( address(engineConstants.pool) != address(0) && address(engineConstants.poolConfigurator) != address(0) && address(engineConstants.oracle) != address(0) && engineConstants.rewardsController != address(0) && engineConstants.collector != address(0) && engineConstants.defaultInterestRateStrategy != address(0), 'ONLY_NONZERO_ENGINE_CONSTANTS' ); require(aTokenImpl != address(0) && vTokenImpl != address(0), 'ONLY_NONZERO_TOKEN_IMPLS'); require( engineLibraries.borrowEngine != address(0) && engineLibraries.capsEngine != address(0) && engineLibraries.listingEngine != address(0) && engineLibraries.priceFeedEngine != address(0) && engineLibraries.rateEngine != address(0), 'ONLY_NONZERO_ENGINE_LIBRARIES' ); ATOKEN_IMPL = aTokenImpl; VTOKEN_IMPL = vTokenImpl; POOL = engineConstants.pool; POOL_CONFIGURATOR = engineConstants.poolConfigurator; ORACLE = engineConstants.oracle; REWARDS_CONTROLLER = engineConstants.rewardsController; COLLECTOR = engineConstants.collector; DEFAULT_INTEREST_RATE_STRATEGY = engineConstants.defaultInterestRateStrategy; BORROW_ENGINE = engineLibraries.borrowEngine; CAPS_ENGINE = engineLibraries.capsEngine; COLLATERAL_ENGINE = engineLibraries.collateralEngine; EMODE_ENGINE = engineLibraries.eModeEngine; LISTING_ENGINE = engineLibraries.listingEngine; PRICE_FEED_ENGINE = engineLibraries.priceFeedEngine; RATE_ENGINE = engineLibraries.rateEngine; } /// @inheritdoc IAaveV3ConfigEngine function listAssets(PoolContext calldata context, Listing[] calldata listings) external { require(listings.length != 0, 'AT_LEAST_ONE_ASSET_REQUIRED'); ListingWithCustomImpl[] memory customListings = new ListingWithCustomImpl[](listings.length); for (uint256 i = 0; i < listings.length; i++) { customListings[i] = ListingWithCustomImpl({ base: listings[i], implementations: TokenImplementations({aToken: ATOKEN_IMPL, vToken: VTOKEN_IMPL}) }); } listAssetsCustom(context, customListings); } /// @inheritdoc IAaveV3ConfigEngine function listAssetsCustom( PoolContext calldata context, ListingWithCustomImpl[] memory listings ) public { LISTING_ENGINE.functionDelegateCall( abi.encodeWithSelector( ListingEngine.executeCustomAssetListing.selector, context, _getEngineConstants(), _getEngineLibraries(), listings ) ); } /// @inheritdoc IAaveV3ConfigEngine function updateCaps(CapsUpdate[] calldata updates) external { CAPS_ENGINE.functionDelegateCall( abi.encodeWithSelector(CapsEngine.executeCapsUpdate.selector, _getEngineConstants(), updates) ); } /// @inheritdoc IAaveV3ConfigEngine function updatePriceFeeds(PriceFeedUpdate[] calldata updates) external { PRICE_FEED_ENGINE.functionDelegateCall( abi.encodeWithSelector( PriceFeedEngine.executePriceFeedsUpdate.selector, _getEngineConstants(), updates ) ); } /// @inheritdoc IAaveV3ConfigEngine function updateCollateralSide(CollateralUpdate[] calldata updates) external { COLLATERAL_ENGINE.functionDelegateCall( abi.encodeWithSelector( CollateralEngine.executeCollateralSide.selector, _getEngineConstants(), updates ) ); } /// @inheritdoc IAaveV3ConfigEngine function updateBorrowSide(BorrowUpdate[] calldata updates) external { BORROW_ENGINE.functionDelegateCall( abi.encodeWithSelector( BorrowEngine.executeBorrowSide.selector, _getEngineConstants(), updates ) ); } /// @inheritdoc IAaveV3ConfigEngine function updateRateStrategies(RateStrategyUpdate[] calldata updates) external { RATE_ENGINE.functionDelegateCall( abi.encodeWithSelector( RateEngine.executeRateStrategiesUpdate.selector, _getEngineConstants(), updates ) ); } /// @inheritdoc IAaveV3ConfigEngine function updateEModeCategories(EModeCategoryUpdate[] calldata updates) external { EMODE_ENGINE.functionDelegateCall( abi.encodeWithSelector( EModeEngine.executeEModeCategoriesUpdate.selector, _getEngineConstants(), updates ) ); } /// @inheritdoc IAaveV3ConfigEngine function updateAssetsEMode(AssetEModeUpdate[] calldata updates) external { EMODE_ENGINE.functionDelegateCall( abi.encodeWithSelector( EModeEngine.executeAssetsEModeUpdate.selector, _getEngineConstants(), updates ) ); } function _getEngineLibraries() internal view returns (EngineLibraries memory) { return EngineLibraries({ listingEngine: LISTING_ENGINE, eModeEngine: EMODE_ENGINE, borrowEngine: BORROW_ENGINE, collateralEngine: COLLATERAL_ENGINE, priceFeedEngine: PRICE_FEED_ENGINE, rateEngine: RATE_ENGINE, capsEngine: CAPS_ENGINE }); } function _getEngineConstants() internal view returns (EngineConstants memory) { return EngineConstants({ pool: POOL, poolConfigurator: POOL_CONFIGURATOR, defaultInterestRateStrategy: DEFAULT_INTEREST_RATE_STRATEGY, oracle: ORACLE, rewardsController: REWARDS_CONTROLLER, collector: COLLECTOR }); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/Address.sol) pragma solidity ^0.8.20; import {Errors} from "./Errors.sol"; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev There's no code at `target` (it is not a contract). */ error AddressEmptyCode(address target); /** * @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/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { if (address(this).balance < amount) { revert Errors.InsufficientBalance(address(this).balance, amount); } (bool success, ) = recipient.call{value: amount}(""); if (!success) { revert Errors.FailedCall(); } } /** * @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 or custom error, it is bubbled * up by this function (like regular Solidity function calls). However, if * the call reverted with no returned reason, this function reverts with a * {Errors.FailedCall} error. * * 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. */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCallWithValue(target, data, 0); } /** * @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`. */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { if (address(this).balance < value) { revert Errors.InsufficientBalance(address(this).balance, value); } (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResultFromTarget(target, success, returndata); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResultFromTarget(target, success, returndata); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResultFromTarget(target, success, returndata); } /** * @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target * was not a contract or bubbling up the revert reason (falling back to {Errors.FailedCall}) in case * of an unsuccessful call. */ function verifyCallResultFromTarget( address target, bool success, bytes memory returndata ) internal view returns (bytes memory) { if (!success) { _revert(returndata); } else { // only check if target is a contract if the call was successful and the return data is empty // otherwise we already know that it was a contract if (returndata.length == 0 && target.code.length == 0) { revert AddressEmptyCode(target); } return returndata; } } /** * @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the * revert reason or with a default {Errors.FailedCall} error. */ function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) { if (!success) { _revert(returndata); } else { return returndata; } } /** * @dev Reverts with returndata if present. Otherwise reverts with {Errors.FailedCall}. */ function _revert(bytes memory returndata) 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 assembly ("memory-safe") { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert Errors.FailedCall(); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/Errors.sol) pragma solidity ^0.8.20; /** * @dev Collection of common custom errors used in multiple contracts * * IMPORTANT: Backwards compatibility is not guaranteed in future versions of the library. * It is recommended to avoid relying on the error API for critical functionality. * * _Available since v5.1._ */ library Errors { /** * @dev The ETH balance of the account is not enough to perform the operation. */ error InsufficientBalance(uint256 balance, uint256 needed); /** * @dev A call to an address target failed. The target may have reverted. */ error FailedCall(); /** * @dev The deployment failed. */ error FailedDeployment(); /** * @dev A necessary precompile is missing. */ error MissingPrecompile(address); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/math/SafeCast.sol) // This file was procedurally generated from scripts/generate/templates/SafeCast.js. pragma solidity ^0.8.20; /** * @dev Wrappers over Solidity's uintXX/intXX/bool casting operators with added overflow * checks. * * Downcasting from uint256/int256 in Solidity does not revert on overflow. This can * easily result in undesired exploitation or bugs, since developers usually * assume that overflows raise errors. `SafeCast` restores this intuition by * reverting the transaction when such an operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */ library SafeCast { /** * @dev Value doesn't fit in an uint of `bits` size. */ error SafeCastOverflowedUintDowncast(uint8 bits, uint256 value); /** * @dev An int value doesn't fit in an uint of `bits` size. */ error SafeCastOverflowedIntToUint(int256 value); /** * @dev Value doesn't fit in an int of `bits` size. */ error SafeCastOverflowedIntDowncast(uint8 bits, int256 value); /** * @dev An uint value doesn't fit in an int of `bits` size. */ error SafeCastOverflowedUintToInt(uint256 value); /** * @dev Returns the downcasted uint248 from uint256, reverting on * overflow (when the input is greater than largest uint248). * * Counterpart to Solidity's `uint248` operator. * * Requirements: * * - input must fit into 248 bits */ function toUint248(uint256 value) internal pure returns (uint248) { if (value > type(uint248).max) { revert SafeCastOverflowedUintDowncast(248, value); } return uint248(value); } /** * @dev Returns the downcasted uint240 from uint256, reverting on * overflow (when the input is greater than largest uint240). * * Counterpart to Solidity's `uint240` operator. * * Requirements: * * - input must fit into 240 bits */ function toUint240(uint256 value) internal pure returns (uint240) { if (value > type(uint240).max) { revert SafeCastOverflowedUintDowncast(240, value); } return uint240(value); } /** * @dev Returns the downcasted uint232 from uint256, reverting on * overflow (when the input is greater than largest uint232). * * Counterpart to Solidity's `uint232` operator. * * Requirements: * * - input must fit into 232 bits */ function toUint232(uint256 value) internal pure returns (uint232) { if (value > type(uint232).max) { revert SafeCastOverflowedUintDowncast(232, value); } return uint232(value); } /** * @dev Returns the downcasted uint224 from uint256, reverting on * overflow (when the input is greater than largest uint224). * * Counterpart to Solidity's `uint224` operator. * * Requirements: * * - input must fit into 224 bits */ function toUint224(uint256 value) internal pure returns (uint224) { if (value > type(uint224).max) { revert SafeCastOverflowedUintDowncast(224, value); } return uint224(value); } /** * @dev Returns the downcasted uint216 from uint256, reverting on * overflow (when the input is greater than largest uint216). * * Counterpart to Solidity's `uint216` operator. * * Requirements: * * - input must fit into 216 bits */ function toUint216(uint256 value) internal pure returns (uint216) { if (value > type(uint216).max) { revert SafeCastOverflowedUintDowncast(216, value); } return uint216(value); } /** * @dev Returns the downcasted uint208 from uint256, reverting on * overflow (when the input is greater than largest uint208). * * Counterpart to Solidity's `uint208` operator. * * Requirements: * * - input must fit into 208 bits */ function toUint208(uint256 value) internal pure returns (uint208) { if (value > type(uint208).max) { revert SafeCastOverflowedUintDowncast(208, value); } return uint208(value); } /** * @dev Returns the downcasted uint200 from uint256, reverting on * overflow (when the input is greater than largest uint200). * * Counterpart to Solidity's `uint200` operator. * * Requirements: * * - input must fit into 200 bits */ function toUint200(uint256 value) internal pure returns (uint200) { if (value > type(uint200).max) { revert SafeCastOverflowedUintDowncast(200, value); } return uint200(value); } /** * @dev Returns the downcasted uint192 from uint256, reverting on * overflow (when the input is greater than largest uint192). * * Counterpart to Solidity's `uint192` operator. * * Requirements: * * - input must fit into 192 bits */ function toUint192(uint256 value) internal pure returns (uint192) { if (value > type(uint192).max) { revert SafeCastOverflowedUintDowncast(192, value); } return uint192(value); } /** * @dev Returns the downcasted uint184 from uint256, reverting on * overflow (when the input is greater than largest uint184). * * Counterpart to Solidity's `uint184` operator. * * Requirements: * * - input must fit into 184 bits */ function toUint184(uint256 value) internal pure returns (uint184) { if (value > type(uint184).max) { revert SafeCastOverflowedUintDowncast(184, value); } return uint184(value); } /** * @dev Returns the downcasted uint176 from uint256, reverting on * overflow (when the input is greater than largest uint176). * * Counterpart to Solidity's `uint176` operator. * * Requirements: * * - input must fit into 176 bits */ function toUint176(uint256 value) internal pure returns (uint176) { if (value > type(uint176).max) { revert SafeCastOverflowedUintDowncast(176, value); } return uint176(value); } /** * @dev Returns the downcasted uint168 from uint256, reverting on * overflow (when the input is greater than largest uint168). * * Counterpart to Solidity's `uint168` operator. * * Requirements: * * - input must fit into 168 bits */ function toUint168(uint256 value) internal pure returns (uint168) { if (value > type(uint168).max) { revert SafeCastOverflowedUintDowncast(168, value); } return uint168(value); } /** * @dev Returns the downcasted uint160 from uint256, reverting on * overflow (when the input is greater than largest uint160). * * Counterpart to Solidity's `uint160` operator. * * Requirements: * * - input must fit into 160 bits */ function toUint160(uint256 value) internal pure returns (uint160) { if (value > type(uint160).max) { revert SafeCastOverflowedUintDowncast(160, value); } return uint160(value); } /** * @dev Returns the downcasted uint152 from uint256, reverting on * overflow (when the input is greater than largest uint152). * * Counterpart to Solidity's `uint152` operator. * * Requirements: * * - input must fit into 152 bits */ function toUint152(uint256 value) internal pure returns (uint152) { if (value > type(uint152).max) { revert SafeCastOverflowedUintDowncast(152, value); } return uint152(value); } /** * @dev Returns the downcasted uint144 from uint256, reverting on * overflow (when the input is greater than largest uint144). * * Counterpart to Solidity's `uint144` operator. * * Requirements: * * - input must fit into 144 bits */ function toUint144(uint256 value) internal pure returns (uint144) { if (value > type(uint144).max) { revert SafeCastOverflowedUintDowncast(144, value); } return uint144(value); } /** * @dev Returns the downcasted uint136 from uint256, reverting on * overflow (when the input is greater than largest uint136). * * Counterpart to Solidity's `uint136` operator. * * Requirements: * * - input must fit into 136 bits */ function toUint136(uint256 value) internal pure returns (uint136) { if (value > type(uint136).max) { revert SafeCastOverflowedUintDowncast(136, value); } return uint136(value); } /** * @dev Returns the downcasted uint128 from uint256, reverting on * overflow (when the input is greater than largest uint128). * * Counterpart to Solidity's `uint128` operator. * * Requirements: * * - input must fit into 128 bits */ function toUint128(uint256 value) internal pure returns (uint128) { if (value > type(uint128).max) { revert SafeCastOverflowedUintDowncast(128, value); } return uint128(value); } /** * @dev Returns the downcasted uint120 from uint256, reverting on * overflow (when the input is greater than largest uint120). * * Counterpart to Solidity's `uint120` operator. * * Requirements: * * - input must fit into 120 bits */ function toUint120(uint256 value) internal pure returns (uint120) { if (value > type(uint120).max) { revert SafeCastOverflowedUintDowncast(120, value); } return uint120(value); } /** * @dev Returns the downcasted uint112 from uint256, reverting on * overflow (when the input is greater than largest uint112). * * Counterpart to Solidity's `uint112` operator. * * Requirements: * * - input must fit into 112 bits */ function toUint112(uint256 value) internal pure returns (uint112) { if (value > type(uint112).max) { revert SafeCastOverflowedUintDowncast(112, value); } return uint112(value); } /** * @dev Returns the downcasted uint104 from uint256, reverting on * overflow (when the input is greater than largest uint104). * * Counterpart to Solidity's `uint104` operator. * * Requirements: * * - input must fit into 104 bits */ function toUint104(uint256 value) internal pure returns (uint104) { if (value > type(uint104).max) { revert SafeCastOverflowedUintDowncast(104, value); } return uint104(value); } /** * @dev Returns the downcasted uint96 from uint256, reverting on * overflow (when the input is greater than largest uint96). * * Counterpart to Solidity's `uint96` operator. * * Requirements: * * - input must fit into 96 bits */ function toUint96(uint256 value) internal pure returns (uint96) { if (value > type(uint96).max) { revert SafeCastOverflowedUintDowncast(96, value); } return uint96(value); } /** * @dev Returns the downcasted uint88 from uint256, reverting on * overflow (when the input is greater than largest uint88). * * Counterpart to Solidity's `uint88` operator. * * Requirements: * * - input must fit into 88 bits */ function toUint88(uint256 value) internal pure returns (uint88) { if (value > type(uint88).max) { revert SafeCastOverflowedUintDowncast(88, value); } return uint88(value); } /** * @dev Returns the downcasted uint80 from uint256, reverting on * overflow (when the input is greater than largest uint80). * * Counterpart to Solidity's `uint80` operator. * * Requirements: * * - input must fit into 80 bits */ function toUint80(uint256 value) internal pure returns (uint80) { if (value > type(uint80).max) { revert SafeCastOverflowedUintDowncast(80, value); } return uint80(value); } /** * @dev Returns the downcasted uint72 from uint256, reverting on * overflow (when the input is greater than largest uint72). * * Counterpart to Solidity's `uint72` operator. * * Requirements: * * - input must fit into 72 bits */ function toUint72(uint256 value) internal pure returns (uint72) { if (value > type(uint72).max) { revert SafeCastOverflowedUintDowncast(72, value); } return uint72(value); } /** * @dev Returns the downcasted uint64 from uint256, reverting on * overflow (when the input is greater than largest uint64). * * Counterpart to Solidity's `uint64` operator. * * Requirements: * * - input must fit into 64 bits */ function toUint64(uint256 value) internal pure returns (uint64) { if (value > type(uint64).max) { revert SafeCastOverflowedUintDowncast(64, value); } return uint64(value); } /** * @dev Returns the downcasted uint56 from uint256, reverting on * overflow (when the input is greater than largest uint56). * * Counterpart to Solidity's `uint56` operator. * * Requirements: * * - input must fit into 56 bits */ function toUint56(uint256 value) internal pure returns (uint56) { if (value > type(uint56).max) { revert SafeCastOverflowedUintDowncast(56, value); } return uint56(value); } /** * @dev Returns the downcasted uint48 from uint256, reverting on * overflow (when the input is greater than largest uint48). * * Counterpart to Solidity's `uint48` operator. * * Requirements: * * - input must fit into 48 bits */ function toUint48(uint256 value) internal pure returns (uint48) { if (value > type(uint48).max) { revert SafeCastOverflowedUintDowncast(48, value); } return uint48(value); } /** * @dev Returns the downcasted uint40 from uint256, reverting on * overflow (when the input is greater than largest uint40). * * Counterpart to Solidity's `uint40` operator. * * Requirements: * * - input must fit into 40 bits */ function toUint40(uint256 value) internal pure returns (uint40) { if (value > type(uint40).max) { revert SafeCastOverflowedUintDowncast(40, value); } return uint40(value); } /** * @dev Returns the downcasted uint32 from uint256, reverting on * overflow (when the input is greater than largest uint32). * * Counterpart to Solidity's `uint32` operator. * * Requirements: * * - input must fit into 32 bits */ function toUint32(uint256 value) internal pure returns (uint32) { if (value > type(uint32).max) { revert SafeCastOverflowedUintDowncast(32, value); } return uint32(value); } /** * @dev Returns the downcasted uint24 from uint256, reverting on * overflow (when the input is greater than largest uint24). * * Counterpart to Solidity's `uint24` operator. * * Requirements: * * - input must fit into 24 bits */ function toUint24(uint256 value) internal pure returns (uint24) { if (value > type(uint24).max) { revert SafeCastOverflowedUintDowncast(24, value); } return uint24(value); } /** * @dev Returns the downcasted uint16 from uint256, reverting on * overflow (when the input is greater than largest uint16). * * Counterpart to Solidity's `uint16` operator. * * Requirements: * * - input must fit into 16 bits */ function toUint16(uint256 value) internal pure returns (uint16) { if (value > type(uint16).max) { revert SafeCastOverflowedUintDowncast(16, value); } return uint16(value); } /** * @dev Returns the downcasted uint8 from uint256, reverting on * overflow (when the input is greater than largest uint8). * * Counterpart to Solidity's `uint8` operator. * * Requirements: * * - input must fit into 8 bits */ function toUint8(uint256 value) internal pure returns (uint8) { if (value > type(uint8).max) { revert SafeCastOverflowedUintDowncast(8, value); } return uint8(value); } /** * @dev Converts a signed int256 into an unsigned uint256. * * Requirements: * * - input must be greater than or equal to 0. */ function toUint256(int256 value) internal pure returns (uint256) { if (value < 0) { revert SafeCastOverflowedIntToUint(value); } return uint256(value); } /** * @dev Returns the downcasted int248 from int256, reverting on * overflow (when the input is less than smallest int248 or * greater than largest int248). * * Counterpart to Solidity's `int248` operator. * * Requirements: * * - input must fit into 248 bits */ function toInt248(int256 value) internal pure returns (int248 downcasted) { downcasted = int248(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(248, value); } } /** * @dev Returns the downcasted int240 from int256, reverting on * overflow (when the input is less than smallest int240 or * greater than largest int240). * * Counterpart to Solidity's `int240` operator. * * Requirements: * * - input must fit into 240 bits */ function toInt240(int256 value) internal pure returns (int240 downcasted) { downcasted = int240(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(240, value); } } /** * @dev Returns the downcasted int232 from int256, reverting on * overflow (when the input is less than smallest int232 or * greater than largest int232). * * Counterpart to Solidity's `int232` operator. * * Requirements: * * - input must fit into 232 bits */ function toInt232(int256 value) internal pure returns (int232 downcasted) { downcasted = int232(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(232, value); } } /** * @dev Returns the downcasted int224 from int256, reverting on * overflow (when the input is less than smallest int224 or * greater than largest int224). * * Counterpart to Solidity's `int224` operator. * * Requirements: * * - input must fit into 224 bits */ function toInt224(int256 value) internal pure returns (int224 downcasted) { downcasted = int224(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(224, value); } } /** * @dev Returns the downcasted int216 from int256, reverting on * overflow (when the input is less than smallest int216 or * greater than largest int216). * * Counterpart to Solidity's `int216` operator. * * Requirements: * * - input must fit into 216 bits */ function toInt216(int256 value) internal pure returns (int216 downcasted) { downcasted = int216(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(216, value); } } /** * @dev Returns the downcasted int208 from int256, reverting on * overflow (when the input is less than smallest int208 or * greater than largest int208). * * Counterpart to Solidity's `int208` operator. * * Requirements: * * - input must fit into 208 bits */ function toInt208(int256 value) internal pure returns (int208 downcasted) { downcasted = int208(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(208, value); } } /** * @dev Returns the downcasted int200 from int256, reverting on * overflow (when the input is less than smallest int200 or * greater than largest int200). * * Counterpart to Solidity's `int200` operator. * * Requirements: * * - input must fit into 200 bits */ function toInt200(int256 value) internal pure returns (int200 downcasted) { downcasted = int200(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(200, value); } } /** * @dev Returns the downcasted int192 from int256, reverting on * overflow (when the input is less than smallest int192 or * greater than largest int192). * * Counterpart to Solidity's `int192` operator. * * Requirements: * * - input must fit into 192 bits */ function toInt192(int256 value) internal pure returns (int192 downcasted) { downcasted = int192(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(192, value); } } /** * @dev Returns the downcasted int184 from int256, reverting on * overflow (when the input is less than smallest int184 or * greater than largest int184). * * Counterpart to Solidity's `int184` operator. * * Requirements: * * - input must fit into 184 bits */ function toInt184(int256 value) internal pure returns (int184 downcasted) { downcasted = int184(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(184, value); } } /** * @dev Returns the downcasted int176 from int256, reverting on * overflow (when the input is less than smallest int176 or * greater than largest int176). * * Counterpart to Solidity's `int176` operator. * * Requirements: * * - input must fit into 176 bits */ function toInt176(int256 value) internal pure returns (int176 downcasted) { downcasted = int176(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(176, value); } } /** * @dev Returns the downcasted int168 from int256, reverting on * overflow (when the input is less than smallest int168 or * greater than largest int168). * * Counterpart to Solidity's `int168` operator. * * Requirements: * * - input must fit into 168 bits */ function toInt168(int256 value) internal pure returns (int168 downcasted) { downcasted = int168(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(168, value); } } /** * @dev Returns the downcasted int160 from int256, reverting on * overflow (when the input is less than smallest int160 or * greater than largest int160). * * Counterpart to Solidity's `int160` operator. * * Requirements: * * - input must fit into 160 bits */ function toInt160(int256 value) internal pure returns (int160 downcasted) { downcasted = int160(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(160, value); } } /** * @dev Returns the downcasted int152 from int256, reverting on * overflow (when the input is less than smallest int152 or * greater than largest int152). * * Counterpart to Solidity's `int152` operator. * * Requirements: * * - input must fit into 152 bits */ function toInt152(int256 value) internal pure returns (int152 downcasted) { downcasted = int152(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(152, value); } } /** * @dev Returns the downcasted int144 from int256, reverting on * overflow (when the input is less than smallest int144 or * greater than largest int144). * * Counterpart to Solidity's `int144` operator. * * Requirements: * * - input must fit into 144 bits */ function toInt144(int256 value) internal pure returns (int144 downcasted) { downcasted = int144(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(144, value); } } /** * @dev Returns the downcasted int136 from int256, reverting on * overflow (when the input is less than smallest int136 or * greater than largest int136). * * Counterpart to Solidity's `int136` operator. * * Requirements: * * - input must fit into 136 bits */ function toInt136(int256 value) internal pure returns (int136 downcasted) { downcasted = int136(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(136, value); } } /** * @dev Returns the downcasted int128 from int256, reverting on * overflow (when the input is less than smallest int128 or * greater than largest int128). * * Counterpart to Solidity's `int128` operator. * * Requirements: * * - input must fit into 128 bits */ function toInt128(int256 value) internal pure returns (int128 downcasted) { downcasted = int128(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(128, value); } } /** * @dev Returns the downcasted int120 from int256, reverting on * overflow (when the input is less than smallest int120 or * greater than largest int120). * * Counterpart to Solidity's `int120` operator. * * Requirements: * * - input must fit into 120 bits */ function toInt120(int256 value) internal pure returns (int120 downcasted) { downcasted = int120(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(120, value); } } /** * @dev Returns the downcasted int112 from int256, reverting on * overflow (when the input is less than smallest int112 or * greater than largest int112). * * Counterpart to Solidity's `int112` operator. * * Requirements: * * - input must fit into 112 bits */ function toInt112(int256 value) internal pure returns (int112 downcasted) { downcasted = int112(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(112, value); } } /** * @dev Returns the downcasted int104 from int256, reverting on * overflow (when the input is less than smallest int104 or * greater than largest int104). * * Counterpart to Solidity's `int104` operator. * * Requirements: * * - input must fit into 104 bits */ function toInt104(int256 value) internal pure returns (int104 downcasted) { downcasted = int104(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(104, value); } } /** * @dev Returns the downcasted int96 from int256, reverting on * overflow (when the input is less than smallest int96 or * greater than largest int96). * * Counterpart to Solidity's `int96` operator. * * Requirements: * * - input must fit into 96 bits */ function toInt96(int256 value) internal pure returns (int96 downcasted) { downcasted = int96(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(96, value); } } /** * @dev Returns the downcasted int88 from int256, reverting on * overflow (when the input is less than smallest int88 or * greater than largest int88). * * Counterpart to Solidity's `int88` operator. * * Requirements: * * - input must fit into 88 bits */ function toInt88(int256 value) internal pure returns (int88 downcasted) { downcasted = int88(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(88, value); } } /** * @dev Returns the downcasted int80 from int256, reverting on * overflow (when the input is less than smallest int80 or * greater than largest int80). * * Counterpart to Solidity's `int80` operator. * * Requirements: * * - input must fit into 80 bits */ function toInt80(int256 value) internal pure returns (int80 downcasted) { downcasted = int80(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(80, value); } } /** * @dev Returns the downcasted int72 from int256, reverting on * overflow (when the input is less than smallest int72 or * greater than largest int72). * * Counterpart to Solidity's `int72` operator. * * Requirements: * * - input must fit into 72 bits */ function toInt72(int256 value) internal pure returns (int72 downcasted) { downcasted = int72(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(72, value); } } /** * @dev Returns the downcasted int64 from int256, reverting on * overflow (when the input is less than smallest int64 or * greater than largest int64). * * Counterpart to Solidity's `int64` operator. * * Requirements: * * - input must fit into 64 bits */ function toInt64(int256 value) internal pure returns (int64 downcasted) { downcasted = int64(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(64, value); } } /** * @dev Returns the downcasted int56 from int256, reverting on * overflow (when the input is less than smallest int56 or * greater than largest int56). * * Counterpart to Solidity's `int56` operator. * * Requirements: * * - input must fit into 56 bits */ function toInt56(int256 value) internal pure returns (int56 downcasted) { downcasted = int56(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(56, value); } } /** * @dev Returns the downcasted int48 from int256, reverting on * overflow (when the input is less than smallest int48 or * greater than largest int48). * * Counterpart to Solidity's `int48` operator. * * Requirements: * * - input must fit into 48 bits */ function toInt48(int256 value) internal pure returns (int48 downcasted) { downcasted = int48(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(48, value); } } /** * @dev Returns the downcasted int40 from int256, reverting on * overflow (when the input is less than smallest int40 or * greater than largest int40). * * Counterpart to Solidity's `int40` operator. * * Requirements: * * - input must fit into 40 bits */ function toInt40(int256 value) internal pure returns (int40 downcasted) { downcasted = int40(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(40, value); } } /** * @dev Returns the downcasted int32 from int256, reverting on * overflow (when the input is less than smallest int32 or * greater than largest int32). * * Counterpart to Solidity's `int32` operator. * * Requirements: * * - input must fit into 32 bits */ function toInt32(int256 value) internal pure returns (int32 downcasted) { downcasted = int32(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(32, value); } } /** * @dev Returns the downcasted int24 from int256, reverting on * overflow (when the input is less than smallest int24 or * greater than largest int24). * * Counterpart to Solidity's `int24` operator. * * Requirements: * * - input must fit into 24 bits */ function toInt24(int256 value) internal pure returns (int24 downcasted) { downcasted = int24(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(24, value); } } /** * @dev Returns the downcasted int16 from int256, reverting on * overflow (when the input is less than smallest int16 or * greater than largest int16). * * Counterpart to Solidity's `int16` operator. * * Requirements: * * - input must fit into 16 bits */ function toInt16(int256 value) internal pure returns (int16 downcasted) { downcasted = int16(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(16, value); } } /** * @dev Returns the downcasted int8 from int256, reverting on * overflow (when the input is less than smallest int8 or * greater than largest int8). * * Counterpart to Solidity's `int8` operator. * * Requirements: * * - input must fit into 8 bits */ function toInt8(int256 value) internal pure returns (int8 downcasted) { downcasted = int8(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(8, value); } } /** * @dev Converts an unsigned uint256 into a signed int256. * * Requirements: * * - input must be less than or equal to maxInt256. */ function toInt256(uint256 value) internal pure returns (int256) { // Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive if (value > uint256(type(int256).max)) { revert SafeCastOverflowedUintToInt(value); } return int256(value); } /** * @dev Cast a boolean (false or true) to a uint256 (0 or 1) with no jump. */ function toUint(bool b) internal pure returns (uint256 u) { assembly ("memory-safe") { u := iszero(iszero(b)) } } }
// SPDX-License-Identifier: MIT // Chainlink Contracts v0.8 pragma solidity ^0.8.0; interface AggregatorInterface { function decimals() external view returns (uint8); function description() external view returns (string memory); function getRoundData( uint80 _roundId ) external view returns ( uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound ); function latestRoundData() external view returns ( uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound ); 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); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/math/SafeCast.sol) pragma solidity ^0.8.10; /** * @dev Wrappers over Solidity's uintXX/intXX casting operators with added overflow * checks. * * Downcasting from uint256/int256 in Solidity does not revert on overflow. This can * easily result in undesired exploitation or bugs, since developers usually * assume that overflows raise errors. `SafeCast` restores this intuition by * reverting the transaction when such an operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. * * Can be combined with {SafeMath} and {SignedSafeMath} to extend it to smaller types, by performing * all math on `uint256` and `int256` and then downcasting. */ library SafeCast { /** * @dev Returns the downcasted uint224 from uint256, reverting on * overflow (when the input is greater than largest uint224). * * Counterpart to Solidity's `uint224` operator. * * Requirements: * * - input must fit into 224 bits */ function toUint224(uint256 value) internal pure returns (uint224) { require(value <= type(uint224).max, "SafeCast: value doesn't fit in 224 bits"); return uint224(value); } /** * @dev Returns the downcasted uint128 from uint256, reverting on * overflow (when the input is greater than largest uint128). * * Counterpart to Solidity's `uint128` operator. * * Requirements: * * - input must fit into 128 bits */ function toUint128(uint256 value) internal pure returns (uint128) { require(value <= type(uint128).max, "SafeCast: value doesn't fit in 128 bits"); return uint128(value); } /** * @dev Returns the downcasted uint96 from uint256, reverting on * overflow (when the input is greater than largest uint96). * * Counterpart to Solidity's `uint96` operator. * * Requirements: * * - input must fit into 96 bits */ function toUint96(uint256 value) internal pure returns (uint96) { require(value <= type(uint96).max, "SafeCast: value doesn't fit in 96 bits"); return uint96(value); } /** * @dev Returns the downcasted uint64 from uint256, reverting on * overflow (when the input is greater than largest uint64). * * Counterpart to Solidity's `uint64` operator. * * Requirements: * * - input must fit into 64 bits */ function toUint64(uint256 value) internal pure returns (uint64) { require(value <= type(uint64).max, "SafeCast: value doesn't fit in 64 bits"); return uint64(value); } /** * @dev Returns the downcasted uint32 from uint256, reverting on * overflow (when the input is greater than largest uint32). * * Counterpart to Solidity's `uint32` operator. * * Requirements: * * - input must fit into 32 bits */ function toUint32(uint256 value) internal pure returns (uint32) { require(value <= type(uint32).max, "SafeCast: value doesn't fit in 32 bits"); return uint32(value); } /** * @dev Returns the downcasted uint16 from uint256, reverting on * overflow (when the input is greater than largest uint16). * * Counterpart to Solidity's `uint16` operator. * * Requirements: * * - input must fit into 16 bits */ function toUint16(uint256 value) internal pure returns (uint16) { require(value <= type(uint16).max, "SafeCast: value doesn't fit in 16 bits"); return uint16(value); } /** * @dev Returns the downcasted uint8 from uint256, reverting on * overflow (when the input is greater than largest uint8). * * Counterpart to Solidity's `uint8` operator. * * Requirements: * * - input must fit into 8 bits. */ function toUint8(uint256 value) internal pure returns (uint8) { require(value <= type(uint8).max, "SafeCast: value doesn't fit in 8 bits"); return uint8(value); } /** * @dev Converts a signed int256 into an unsigned uint256. * * Requirements: * * - input must be greater than or equal to 0. */ function toUint256(int256 value) internal pure returns (uint256) { require(value >= 0, 'SafeCast: value must be positive'); return uint256(value); } /** * @dev Returns the downcasted int128 from int256, reverting on * overflow (when the input is less than smallest int128 or * greater than largest int128). * * Counterpart to Solidity's `int128` operator. * * Requirements: * * - input must fit into 128 bits * * _Available since v3.1._ */ function toInt128(int256 value) internal pure returns (int128) { require( value >= type(int128).min && value <= type(int128).max, "SafeCast: value doesn't fit in 128 bits" ); return int128(value); } /** * @dev Returns the downcasted int64 from int256, reverting on * overflow (when the input is less than smallest int64 or * greater than largest int64). * * Counterpart to Solidity's `int64` operator. * * Requirements: * * - input must fit into 64 bits * * _Available since v3.1._ */ function toInt64(int256 value) internal pure returns (int64) { require( value >= type(int64).min && value <= type(int64).max, "SafeCast: value doesn't fit in 64 bits" ); return int64(value); } /** * @dev Returns the downcasted int32 from int256, reverting on * overflow (when the input is less than smallest int32 or * greater than largest int32). * * Counterpart to Solidity's `int32` operator. * * Requirements: * * - input must fit into 32 bits * * _Available since v3.1._ */ function toInt32(int256 value) internal pure returns (int32) { require( value >= type(int32).min && value <= type(int32).max, "SafeCast: value doesn't fit in 32 bits" ); return int32(value); } /** * @dev Returns the downcasted int16 from int256, reverting on * overflow (when the input is less than smallest int16 or * greater than largest int16). * * Counterpart to Solidity's `int16` operator. * * Requirements: * * - input must fit into 16 bits * * _Available since v3.1._ */ function toInt16(int256 value) internal pure returns (int16) { require( value >= type(int16).min && value <= type(int16).max, "SafeCast: value doesn't fit in 16 bits" ); return int16(value); } /** * @dev Returns the downcasted int8 from int256, reverting on * overflow (when the input is less than smallest int8 or * greater than largest int8). * * Counterpart to Solidity's `int8` operator. * * Requirements: * * - input must fit into 8 bits. * * _Available since v3.1._ */ function toInt8(int256 value) internal pure returns (int8) { require( value >= type(int8).min && value <= type(int8).max, "SafeCast: value doesn't fit in 8 bits" ); return int8(value); } /** * @dev Converts an unsigned uint256 into a signed int256. * * Requirements: * * - input must be less than or equal to maxInt256. */ function toInt256(uint256 value) internal pure returns (int256) { // Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive require(value <= uint256(type(int256).max), "SafeCast: value doesn't fit in an int256"); return int256(value); } }
// SPDX-License-Identifier: BUSL-1.1 pragma solidity ^0.8.18; library EngineFlags { /// @dev magic value to be used as flag to keep unchanged any current configuration /// Strongly assumes that the value `type(uint256).max - 42` will never be used, which seems reasonable uint256 internal constant KEEP_CURRENT = type(uint256).max - 42; /// @dev magic value to be used as flag to keep unchanged any current configuration /// Strongly assumes that the value `KEEP_CURRENT_STRING` will never be used, which seems reasonable string internal constant KEEP_CURRENT_STRING = 'KEEP_CURRENT_STRING'; /// @dev magic value to be used as flag to keep unchanged any current configuration /// Strongly assumes that the value `0x0000000000000000000000000000000000000050` will never be used, which seems reasonable address internal constant KEEP_CURRENT_ADDRESS = address(0x0000000000000000000000000000000000000050); /// @dev value to be used as flag for bool value true uint256 internal constant ENABLED = 1; /// @dev value to be used as flag for bool value false uint256 internal constant DISABLED = 0; /// @dev converts flag ENABLED DISABLED to bool function toBool(uint256 flag) internal pure returns (bool) { require(flag == 0 || flag == 1, 'INVALID_CONVERSION_TO_BOOL'); return flag == 1; } /// @dev converts bool to ENABLED DISABLED flags function fromBool(bool isTrue) internal pure returns (uint256) { return isTrue ? ENABLED : DISABLED; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.18; import {IPool} from '../../interfaces/IPool.sol'; import {IPoolConfigurator} from '../../interfaces/IPoolConfigurator.sol'; import {IAaveOracle} from '../../interfaces/IAaveOracle.sol'; import {IDefaultInterestRateStrategyV2} from '../../interfaces/IDefaultInterestRateStrategyV2.sol'; /// @dev Examples here assume the usage of the `AaveV3Payload` base contracts /// contained in this same repository interface IAaveV3ConfigEngine { struct Basic { string assetSymbol; TokenImplementations implementations; } struct EngineLibraries { address listingEngine; address eModeEngine; address borrowEngine; address collateralEngine; address priceFeedEngine; address rateEngine; address capsEngine; } struct EngineConstants { IPool pool; IPoolConfigurator poolConfigurator; IAaveOracle oracle; address rewardsController; address collector; address defaultInterestRateStrategy; } struct InterestRateInputData { uint256 optimalUsageRatio; uint256 baseVariableBorrowRate; uint256 variableRateSlope1; uint256 variableRateSlope2; } /** * @dev Required for naming of a/v/s tokens * Example (mock): * PoolContext({ * networkName: 'Polygon', * networkAbbreviation: 'Pol' * }) */ struct PoolContext { string networkName; string networkAbbreviation; } /** * @dev Example (mock): * Listing({ * asset: 0x7Fc66500c84A76Ad7e9c93437bFc5Ac33E2DDaE9, * assetSymbol: 'AAVE', * priceFeed: 0x547a514d5e3769680Ce22B2361c10Ea13619e8a9, * rateStrategyParams: InterestRateInputData({ * optimalUsageRatio: 80_00, * baseVariableBorrowRate: 25, // 0.25% * variableRateSlope1: 3_00, * variableRateSlope2: 75_00 * }), * enabledToBorrow: EngineFlags.ENABLED, * flashloanable: EngineFlags.ENABLED, * borrowableInIsolation: EngineFlags.ENABLED, * withSiloedBorrowing:, EngineFlags.DISABLED, * ltv: 70_50, // 70.5% * liqThreshold: 76_00, // 76% * liqBonus: 5_00, // 5% * reserveFactor: 10_00, // 10% * supplyCap: 100_000, // 100k AAVE * borrowCap: 60_000, // 60k AAVE * debtCeiling: 100_000, // 100k USD * liqProtocolFee: 10_00, // 10% * eModeCategory: 0, // No category * } */ struct Listing { address asset; string assetSymbol; address priceFeed; InterestRateInputData rateStrategyParams; // Mandatory, no matter if enabled for borrowing or not uint256 enabledToBorrow; uint256 borrowableInIsolation; // Only considered is enabledToBorrow == EngineFlags.ENABLED (true) uint256 withSiloedBorrowing; // Only considered if enabledToBorrow == EngineFlags.ENABLED (true) uint256 flashloanable; // Independent from enabled to borrow: an asset can be flashloanble and not enabled to borrow uint256 ltv; // Only considered if liqThreshold > 0 uint256 liqThreshold; // If `0`, the asset will not be enabled as collateral uint256 liqBonus; // Only considered if liqThreshold > 0 uint256 reserveFactor; // Only considered if enabledToBorrow == EngineFlags.ENABLED (true) uint256 supplyCap; // If passing any value distinct to EngineFlags.KEEP_CURRENT, always configured uint256 borrowCap; // If passing any value distinct to EngineFlags.KEEP_CURRENT, always configured uint256 debtCeiling; // Only considered if liqThreshold > 0 uint256 liqProtocolFee; // Only considered if liqThreshold > 0 } struct RepackedListings { address[] ids; Basic[] basics; BorrowUpdate[] borrowsUpdates; CollateralUpdate[] collateralsUpdates; PriceFeedUpdate[] priceFeedsUpdates; CapsUpdate[] capsUpdates; IDefaultInterestRateStrategyV2.InterestRateData[] rates; } struct TokenImplementations { address aToken; address vToken; } struct ListingWithCustomImpl { Listing base; TokenImplementations implementations; } /** * @dev Example (mock): * CapsUpdate({ * asset: AaveV3EthereumAssets.AAVE_UNDERLYING, * supplyCap: 1_000_000, * borrowCap: EngineFlags.KEEP_CURRENT * } */ struct CapsUpdate { address asset; uint256 supplyCap; // Pass any value, of EngineFlags.KEEP_CURRENT to keep it as it is uint256 borrowCap; // Pass any value, of EngineFlags.KEEP_CURRENT to keep it as it is } /** * @dev Example (mock): * PriceFeedUpdate({ * asset: AaveV3EthereumAssets.AAVE_UNDERLYING, * priceFeed: 0x547a514d5e3769680Ce22B2361c10Ea13619e8a9 * }) */ struct PriceFeedUpdate { address asset; address priceFeed; } /** * @dev Example (mock): * CollateralUpdate({ * asset: AaveV3EthereumAssets.AAVE_UNDERLYING, * ltv: 60_00, * liqThreshold: 70_00, * liqBonus: EngineFlags.KEEP_CURRENT, * debtCeiling: EngineFlags.KEEP_CURRENT, * liqProtocolFee: 7_00 * }) */ struct CollateralUpdate { address asset; uint256 ltv; uint256 liqThreshold; uint256 liqBonus; uint256 debtCeiling; uint256 liqProtocolFee; } /** * @dev Example (mock): * BorrowUpdate({ * asset: AaveV3EthereumAssets.AAVE_UNDERLYING, * enabledToBorrow: EngineFlags.ENABLED, * flashloanable: EngineFlags.KEEP_CURRENT, * borrowableInIsolation: EngineFlags.KEEP_CURRENT, * withSiloedBorrowing: EngineFlags.KEEP_CURRENT, * reserveFactor: 15_00, // 15% * }) */ struct BorrowUpdate { address asset; uint256 enabledToBorrow; uint256 flashloanable; uint256 borrowableInIsolation; uint256 withSiloedBorrowing; uint256 reserveFactor; } /** * @dev Example (mock): * AssetEModeUpdate({ * asset: AaveV3EthereumAssets.rETH_UNDERLYING, * eModeCategory: 1, // ETH correlated * borrowable: EngineFlags.ENABLED, * collateral: EngineFlags.KEEP_CURRENT, * }) */ struct AssetEModeUpdate { address asset; uint8 eModeCategory; uint256 borrowable; uint256 collateral; } /** * @dev Example (mock): * EModeCategoryUpdate({ * eModeCategory: 1, // ETH correlated * ltv: 60_00, * liqThreshold: 70_00, * liqBonus: EngineFlags.KEEP_CURRENT, * label: EngineFlags.KEEP_CURRENT_STRING * }) */ struct EModeCategoryUpdate { uint8 eModeCategory; uint256 ltv; uint256 liqThreshold; uint256 liqBonus; string label; } /** * @dev Example (mock): * RateStrategyUpdate({ * asset: AaveV3OptimismAssets.USDT_UNDERLYING, * params: InterestRateInputData({ * optimalUsageRatio: _bpsToRay(80_00), * baseVariableBorrowRate: EngineFlags.KEEP_CURRENT, * variableRateSlope1: EngineFlags.KEEP_CURRENT, * variableRateSlope2: _bpsToRay(75_00) * }) * }) */ struct RateStrategyUpdate { address asset; InterestRateInputData params; } /** * @notice Performs full listing of the assets, in the Aave pool configured in this engine instance * @param context `PoolContext` struct, effectively meta-data for naming of a/v/s tokens. * More information on the documentation of the struct. * @param listings `Listing[]` list of declarative configs for every aspect of the asset listings. * More information on the documentation of the struct. */ function listAssets(PoolContext memory context, Listing[] memory listings) external; /** * @notice Performs full listings of assets, in the Aave pool configured in this engine instance * @dev This function allows more customization, especifically enables to set custom implementations * for a/v/s tokens. * IMPORTANT. Use it only if understanding the internals of the Aave v3 protocol * @param context `PoolContext` struct, effectively meta-data for naming of a/v/s tokens. * More information on the documentation of the struct. * @param listings `ListingWithCustomImpl[]` list of declarative configs for every aspect of the asset listings. */ function listAssetsCustom( PoolContext memory context, ListingWithCustomImpl[] memory listings ) external; /** * @notice Performs an update of the caps (supply, borrow) of the assets, in the Aave pool configured in this engine instance * @param updates `CapsUpdate[]` list of declarative updates containing the new caps * More information on the documentation of the struct. */ function updateCaps(CapsUpdate[] memory updates) external; /** * @notice Performs an update on the rate strategy params of the assets, in the Aave pool configured in this engine instance * @dev The engine itself manages if a new rate strategy needs to be deployed or if an existing one can be re-used * @param updates `RateStrategyUpdate[]` list of declarative updates containing the new rate strategy params * More information on the documentation of the struct. */ function updateRateStrategies(RateStrategyUpdate[] memory updates) external; /** * @notice Performs an update of the collateral-related params of the assets, in the Aave pool configured in this engine instance * @param updates `CollateralUpdate[]` list of declarative updates containing the new parameters * More information on the documentation of the struct. */ function updateCollateralSide(CollateralUpdate[] memory updates) external; /** * @notice Performs an update of the price feed of the assets, in the Aave pool configured in this engine instance * @param updates `PriceFeedUpdate[]` list of declarative updates containing the new parameters * More information on the documentation of the struct. */ function updatePriceFeeds(PriceFeedUpdate[] memory updates) external; /** * @notice Performs an update of the borrow-related params of the assets, in the Aave pool configured in this engine instance * @param updates `BorrowUpdate[]` list of declarative updates containing the new parameters * More information on the documentation of the struct. */ function updateBorrowSide(BorrowUpdate[] memory updates) external; /** * @notice Performs an update of the e-mode categories, in the Aave pool configured in this engine instance * @param updates `EModeCategoryUpdate[]` list of declarative updates containing the new parameters * More information on the documentation of the struct. */ function updateEModeCategories(EModeCategoryUpdate[] memory updates) external; /** * @notice Performs an update of the e-mode category. * Sets a specified asset collateral and/or borrowable, in the Aave pool configured in this engine instance * @param updates `EModeCollateralUpdate[]` list of declarative updates containing the new parameters * More information on the documentation of the struct. */ function updateAssetsEMode(AssetEModeUpdate[] calldata updates) external; function DEFAULT_INTEREST_RATE_STRATEGY() external view returns (address); function POOL() external view returns (IPool); function POOL_CONFIGURATOR() external view returns (IPoolConfigurator); function ORACLE() external view returns (IAaveOracle); function ATOKEN_IMPL() external view returns (address); function VTOKEN_IMPL() external view returns (address); function REWARDS_CONTROLLER() external view returns (address); function COLLECTOR() external view returns (address); function BORROW_ENGINE() external view returns (address); function CAPS_ENGINE() external view returns (address); function COLLATERAL_ENGINE() external view returns (address); function EMODE_ENGINE() external view returns (address); function LISTING_ENGINE() external view returns (address); function PRICE_FEED_ENGINE() external view returns (address); function RATE_ENGINE() external view returns (address); }
// SPDX-License-Identifier: BUSL-1.1 pragma solidity ^0.8.18; import {EngineFlags} from '../EngineFlags.sol'; import {DataTypes} from '../../../protocol/libraries/types/DataTypes.sol'; import {ReserveConfiguration} from '../../../protocol/libraries/configuration/ReserveConfiguration.sol'; import {IAaveV3ConfigEngine as IEngine, IPoolConfigurator, IPool} from '../IAaveV3ConfigEngine.sol'; library BorrowEngine { using ReserveConfiguration for DataTypes.ReserveConfigurationMap; function executeBorrowSide( IEngine.EngineConstants calldata engineConstants, IEngine.BorrowUpdate[] memory updates ) external { require(updates.length != 0, 'AT_LEAST_ONE_UPDATE_REQUIRED'); _configBorrowSide(engineConstants.poolConfigurator, engineConstants.pool, updates); } function _configBorrowSide( IPoolConfigurator poolConfigurator, IPool pool, IEngine.BorrowUpdate[] memory updates ) internal { for (uint256 i = 0; i < updates.length; i++) { if (updates[i].enabledToBorrow != EngineFlags.KEEP_CURRENT) { poolConfigurator.setReserveBorrowing( updates[i].asset, EngineFlags.toBool(updates[i].enabledToBorrow) ); } else { (, , bool borrowingEnabled, ) = pool.getConfiguration(updates[i].asset).getFlags(); updates[i].enabledToBorrow = EngineFlags.fromBool(borrowingEnabled); } if (updates[i].borrowableInIsolation != EngineFlags.KEEP_CURRENT) { poolConfigurator.setBorrowableInIsolation( updates[i].asset, EngineFlags.toBool(updates[i].borrowableInIsolation) ); } if (updates[i].withSiloedBorrowing != EngineFlags.KEEP_CURRENT) { poolConfigurator.setSiloedBorrowing( updates[i].asset, EngineFlags.toBool(updates[i].withSiloedBorrowing) ); } // The reserve factor should always be > 0 require( (updates[i].reserveFactor > 0 && updates[i].reserveFactor <= 100_00) || updates[i].reserveFactor == EngineFlags.KEEP_CURRENT, 'INVALID_RESERVE_FACTOR' ); if (updates[i].reserveFactor != EngineFlags.KEEP_CURRENT) { poolConfigurator.setReserveFactor(updates[i].asset, updates[i].reserveFactor); } if (updates[i].flashloanable != EngineFlags.KEEP_CURRENT) { poolConfigurator.setReserveFlashLoaning( updates[i].asset, EngineFlags.toBool(updates[i].flashloanable) ); } } } }
// SPDX-License-Identifier: BUSL-1.1 pragma solidity ^0.8.18; import {EngineFlags} from '../EngineFlags.sol'; import {IAaveV3ConfigEngine as IEngine, IPoolConfigurator} from '../IAaveV3ConfigEngine.sol'; library CapsEngine { function executeCapsUpdate( IEngine.EngineConstants calldata engineConstants, IEngine.CapsUpdate[] memory updates ) external { require(updates.length != 0, 'AT_LEAST_ONE_UPDATE_REQUIRED'); _configureCaps(engineConstants.poolConfigurator, updates); } function _configureCaps( IPoolConfigurator poolConfigurator, IEngine.CapsUpdate[] memory caps ) internal { for (uint256 i = 0; i < caps.length; i++) { if (caps[i].supplyCap != EngineFlags.KEEP_CURRENT) { poolConfigurator.setSupplyCap(caps[i].asset, caps[i].supplyCap); } if (caps[i].borrowCap != EngineFlags.KEEP_CURRENT) { poolConfigurator.setBorrowCap(caps[i].asset, caps[i].borrowCap); } } } }
// SPDX-License-Identifier: BUSL-1.1 pragma solidity ^0.8.18; import {DataTypes} from '../../../protocol/libraries/types/DataTypes.sol'; import {ReserveConfiguration} from '../../../protocol/libraries/configuration/ReserveConfiguration.sol'; import {IAaveV3ConfigEngine as IEngine, IPoolConfigurator, IPool} from '../IAaveV3ConfigEngine.sol'; import {PercentageMath} from '../../../protocol/libraries/math/PercentageMath.sol'; import {EngineFlags} from '../EngineFlags.sol'; library CollateralEngine { using ReserveConfiguration for DataTypes.ReserveConfigurationMap; using PercentageMath for uint256; function executeCollateralSide( IEngine.EngineConstants calldata engineConstants, IEngine.CollateralUpdate[] memory updates ) external { require(updates.length != 0, 'AT_LEAST_ONE_UPDATE_REQUIRED'); _configCollateralSide(engineConstants.poolConfigurator, engineConstants.pool, updates); } function _configCollateralSide( IPoolConfigurator poolConfigurator, IPool pool, IEngine.CollateralUpdate[] memory updates ) internal { for (uint256 i = 0; i < updates.length; i++) { if (updates[i].liqThreshold != 0) { bool notAllKeepCurrent = updates[i].ltv != EngineFlags.KEEP_CURRENT || updates[i].liqThreshold != EngineFlags.KEEP_CURRENT || updates[i].liqBonus != EngineFlags.KEEP_CURRENT; bool atLeastOneKeepCurrent = updates[i].ltv == EngineFlags.KEEP_CURRENT || updates[i].liqThreshold == EngineFlags.KEEP_CURRENT || updates[i].liqBonus == EngineFlags.KEEP_CURRENT; if (notAllKeepCurrent && atLeastOneKeepCurrent) { DataTypes.ReserveConfigurationMap memory configuration = pool.getConfiguration( updates[i].asset ); ( uint256 currentLtv, uint256 currentLiqThreshold, uint256 currentLiqBonus, , ) = configuration.getParams(); if (updates[i].ltv == EngineFlags.KEEP_CURRENT) { updates[i].ltv = currentLtv; } if (updates[i].liqThreshold == EngineFlags.KEEP_CURRENT) { updates[i].liqThreshold = currentLiqThreshold; } if (updates[i].liqBonus == EngineFlags.KEEP_CURRENT) { // Subtracting 100_00 to be consistent with the engine as 100_00 gets added while setting the liqBonus updates[i].liqBonus = currentLiqBonus - 100_00; } } if (notAllKeepCurrent) { // LT*LB (in %) should never be above 100%, because it means instant undercollateralization require( updates[i].liqThreshold.percentMul(100_00 + updates[i].liqBonus) <= 100_00, 'INVALID_LT_LB_RATIO' ); poolConfigurator.configureReserveAsCollateral( updates[i].asset, updates[i].ltv, updates[i].liqThreshold, // For reference, this is to simplify the interaction with the Aave protocol, // as there the definition is as e.g. 105% (5% bonus for liquidators) 100_00 + updates[i].liqBonus ); } if (updates[i].liqProtocolFee != EngineFlags.KEEP_CURRENT) { require(updates[i].liqProtocolFee < 100_00, 'INVALID_LIQ_PROTOCOL_FEE'); poolConfigurator.setLiquidationProtocolFee(updates[i].asset, updates[i].liqProtocolFee); } if (updates[i].debtCeiling != EngineFlags.KEEP_CURRENT) { // For reference, this is to simplify the interactions with the Aave protocol, // as there the definition is with 2 decimals. We don't see any reason to set // a debt ceiling involving .something USD, so we simply don't allow to do it poolConfigurator.setDebtCeiling(updates[i].asset, updates[i].debtCeiling * 100); } } } } }
// SPDX-License-Identifier: BUSL-1.1 pragma solidity ^0.8.18; import {SafeCast} from 'openzeppelin-contracts/contracts/utils/math/SafeCast.sol'; import {EngineFlags} from '../EngineFlags.sol'; import {DataTypes} from '../../../protocol/libraries/types/DataTypes.sol'; import {PercentageMath} from '../../../protocol/libraries/math/PercentageMath.sol'; import {IAaveV3ConfigEngine as IEngine, IPoolConfigurator, IPool} from '../IAaveV3ConfigEngine.sol'; library EModeEngine { using PercentageMath for uint256; using SafeCast for uint256; function executeAssetsEModeUpdate( IEngine.EngineConstants calldata engineConstants, IEngine.AssetEModeUpdate[] memory updates ) external { require(updates.length != 0, 'AT_LEAST_ONE_UPDATE_REQUIRED'); _configAssetsEMode(engineConstants.poolConfigurator, updates); } function executeEModeCategoriesUpdate( IEngine.EngineConstants calldata engineConstants, IEngine.EModeCategoryUpdate[] memory updates ) external { require(updates.length != 0, 'AT_LEAST_ONE_UPDATE_REQUIRED'); _configEModeCategories(engineConstants.poolConfigurator, engineConstants.pool, updates); } function _configAssetsEMode( IPoolConfigurator poolConfigurator, IEngine.AssetEModeUpdate[] memory updates ) internal { for (uint256 i = 0; i < updates.length; i++) { if (updates[i].collateral != EngineFlags.KEEP_CURRENT) { poolConfigurator.setAssetCollateralInEMode( updates[i].asset, updates[i].eModeCategory, EngineFlags.toBool(updates[i].collateral) ); } if (updates[i].borrowable != EngineFlags.KEEP_CURRENT) { poolConfigurator.setAssetBorrowableInEMode( updates[i].asset, updates[i].eModeCategory, EngineFlags.toBool(updates[i].borrowable) ); } } } function _configEModeCategories( IPoolConfigurator poolConfigurator, IPool pool, IEngine.EModeCategoryUpdate[] memory updates ) internal { for (uint256 i = 0; i < updates.length; i++) { bool atLeastOneKeepCurrent = updates[i].ltv == EngineFlags.KEEP_CURRENT || updates[i].liqThreshold == EngineFlags.KEEP_CURRENT || updates[i].liqBonus == EngineFlags.KEEP_CURRENT || keccak256(abi.encode(updates[i].label)) == keccak256(abi.encode(EngineFlags.KEEP_CURRENT_STRING)); bool notAllKeepCurrent = updates[i].ltv != EngineFlags.KEEP_CURRENT || updates[i].liqThreshold != EngineFlags.KEEP_CURRENT || updates[i].liqBonus != EngineFlags.KEEP_CURRENT || keccak256(abi.encode(updates[i].label)) != keccak256(abi.encode(EngineFlags.KEEP_CURRENT_STRING)); if (notAllKeepCurrent && atLeastOneKeepCurrent) { DataTypes.CollateralConfig memory cfg = pool.getEModeCategoryCollateralConfig( updates[i].eModeCategory ); if (updates[i].ltv == EngineFlags.KEEP_CURRENT) { updates[i].ltv = cfg.ltv; } if (updates[i].liqThreshold == EngineFlags.KEEP_CURRENT) { updates[i].liqThreshold = cfg.liquidationThreshold; } if (updates[i].liqBonus == EngineFlags.KEEP_CURRENT) { // Subtracting 100_00 to be consistent with the engine as 100_00 gets added while setting the liqBonus updates[i].liqBonus = cfg.liquidationBonus - 100_00; } if ( keccak256(abi.encode(updates[i].label)) == keccak256(abi.encode(EngineFlags.KEEP_CURRENT_STRING)) ) { updates[i].label = pool.getEModeCategoryLabel(updates[i].eModeCategory); } } if (notAllKeepCurrent) { // LT*LB (in %) should never be above 100%, because it means instant undercollateralization require( updates[i].liqThreshold.percentMul(100_00 + updates[i].liqBonus) <= 100_00, 'INVALID_LT_LB_RATIO' ); poolConfigurator.setEModeCategory( updates[i].eModeCategory, updates[i].ltv.toUint16(), updates[i].liqThreshold.toUint16(), // For reference, this is to simplify the interaction with the Aave protocol, // as there the definition is as e.g. 105% (5% bonus for liquidators) (100_00 + updates[i].liqBonus).toUint16(), updates[i].label ); } } } }
// SPDX-License-Identifier: BUSL-1.1 pragma solidity ^0.8.18; import {Address} from 'openzeppelin-contracts/contracts/utils/Address.sol'; import {IAaveV3ConfigEngine as IEngine, IPoolConfigurator, IPool, IDefaultInterestRateStrategyV2} from '../IAaveV3ConfigEngine.sol'; import {PriceFeedEngine} from './PriceFeedEngine.sol'; import {CapsEngine} from './CapsEngine.sol'; import {BorrowEngine} from './BorrowEngine.sol'; import {CollateralEngine} from './CollateralEngine.sol'; import {EModeEngine} from './EModeEngine.sol'; import {ConfiguratorInputTypes} from '../../../protocol/libraries/types/ConfiguratorInputTypes.sol'; import {SafeCast} from '../../../dependencies/openzeppelin/contracts/SafeCast.sol'; library ListingEngine { using Address for address; using SafeCast for uint256; function executeCustomAssetListing( IEngine.PoolContext calldata context, IEngine.EngineConstants calldata engineConstants, IEngine.EngineLibraries calldata engineLibraries, IEngine.ListingWithCustomImpl[] calldata listings ) external { require(listings.length != 0, 'AT_LEAST_ONE_ASSET_REQUIRED'); IEngine.RepackedListings memory repacked = _repackListing(listings); engineLibraries.priceFeedEngine.functionDelegateCall( abi.encodeWithSelector( PriceFeedEngine.executePriceFeedsUpdate.selector, engineConstants, repacked.priceFeedsUpdates ) ); _initAssets( context, engineConstants.poolConfigurator, engineConstants.defaultInterestRateStrategy, engineConstants.collector, engineConstants.rewardsController, repacked.ids, repacked.basics, repacked.rates ); engineLibraries.capsEngine.functionDelegateCall( abi.encodeWithSelector( CapsEngine.executeCapsUpdate.selector, engineConstants, repacked.capsUpdates ) ); engineLibraries.borrowEngine.functionDelegateCall( abi.encodeWithSelector( BorrowEngine.executeBorrowSide.selector, engineConstants, repacked.borrowsUpdates ) ); engineLibraries.collateralEngine.functionDelegateCall( abi.encodeWithSelector( CollateralEngine.executeCollateralSide.selector, engineConstants, repacked.collateralsUpdates ) ); } function _repackListing( IEngine.ListingWithCustomImpl[] calldata listings ) internal pure returns (IEngine.RepackedListings memory) { address[] memory ids = new address[](listings.length); IEngine.BorrowUpdate[] memory borrowsUpdates = new IEngine.BorrowUpdate[](listings.length); IEngine.CollateralUpdate[] memory collateralsUpdates = new IEngine.CollateralUpdate[]( listings.length ); IEngine.PriceFeedUpdate[] memory priceFeedsUpdates = new IEngine.PriceFeedUpdate[]( listings.length ); IEngine.CapsUpdate[] memory capsUpdates = new IEngine.CapsUpdate[](listings.length); IEngine.Basic[] memory basics = new IEngine.Basic[](listings.length); IDefaultInterestRateStrategyV2.InterestRateData[] memory rates = new IDefaultInterestRateStrategyV2.InterestRateData[](listings.length); for (uint256 i = 0; i < listings.length; i++) { require(listings[i].base.asset != address(0), 'INVALID_ASSET'); ids[i] = listings[i].base.asset; basics[i] = IEngine.Basic({ assetSymbol: listings[i].base.assetSymbol, implementations: listings[i].implementations }); priceFeedsUpdates[i] = IEngine.PriceFeedUpdate({ asset: listings[i].base.asset, priceFeed: listings[i].base.priceFeed }); borrowsUpdates[i] = IEngine.BorrowUpdate({ asset: listings[i].base.asset, enabledToBorrow: listings[i].base.enabledToBorrow, flashloanable: listings[i].base.flashloanable, borrowableInIsolation: listings[i].base.borrowableInIsolation, withSiloedBorrowing: listings[i].base.withSiloedBorrowing, reserveFactor: listings[i].base.reserveFactor }); collateralsUpdates[i] = IEngine.CollateralUpdate({ asset: listings[i].base.asset, ltv: listings[i].base.ltv, liqThreshold: listings[i].base.liqThreshold, liqBonus: listings[i].base.liqBonus, debtCeiling: listings[i].base.debtCeiling, liqProtocolFee: listings[i].base.liqProtocolFee }); capsUpdates[i] = IEngine.CapsUpdate({ asset: listings[i].base.asset, supplyCap: listings[i].base.supplyCap, borrowCap: listings[i].base.borrowCap }); rates[i] = IDefaultInterestRateStrategyV2.InterestRateData({ optimalUsageRatio: listings[i].base.rateStrategyParams.optimalUsageRatio.toUint16(), baseVariableBorrowRate: listings[i] .base .rateStrategyParams .baseVariableBorrowRate .toUint32(), variableRateSlope1: listings[i].base.rateStrategyParams.variableRateSlope1.toUint32(), variableRateSlope2: listings[i].base.rateStrategyParams.variableRateSlope2.toUint32() }); } return IEngine.RepackedListings( ids, basics, borrowsUpdates, collateralsUpdates, priceFeedsUpdates, capsUpdates, rates ); } /// @dev mandatory configurations for any asset getting listed, including oracle config and basic init function _initAssets( IEngine.PoolContext calldata context, IPoolConfigurator poolConfigurator, address rateStrategy, address collector, address rewardsController, address[] memory ids, IEngine.Basic[] memory basics, IDefaultInterestRateStrategyV2.InterestRateData[] memory rates ) internal { ConfiguratorInputTypes.InitReserveInput[] memory initReserveInputs = new ConfiguratorInputTypes.InitReserveInput[](ids.length); for (uint256 i = 0; i < ids.length; i++) { initReserveInputs[i] = ConfiguratorInputTypes.InitReserveInput({ aTokenImpl: basics[i].implementations.aToken, variableDebtTokenImpl: basics[i].implementations.vToken, interestRateStrategyAddress: rateStrategy, interestRateData: abi.encode(rates[i]), underlyingAsset: ids[i], treasury: collector, incentivesController: rewardsController, useVirtualBalance: true, aTokenName: string.concat('Aave ', context.networkName, ' ', basics[i].assetSymbol), aTokenSymbol: string.concat('a', context.networkAbbreviation, basics[i].assetSymbol), variableDebtTokenName: string.concat( 'Aave ', context.networkName, ' Variable Debt ', basics[i].assetSymbol ), variableDebtTokenSymbol: string.concat( 'variableDebt', context.networkAbbreviation, basics[i].assetSymbol ), params: bytes('') }); } poolConfigurator.initReserves(initReserveInputs); } }
// SPDX-License-Identifier: BUSL-1.1 pragma solidity ^0.8.18; import {IAaveV3ConfigEngine as IEngine, IAaveOracle} from '../IAaveV3ConfigEngine.sol'; import {AggregatorInterface} from '../../../dependencies/chainlink/AggregatorInterface.sol'; library PriceFeedEngine { function executePriceFeedsUpdate( IEngine.EngineConstants calldata engineConstants, IEngine.PriceFeedUpdate[] memory updates ) external { require(updates.length != 0, 'AT_LEAST_ONE_UPDATE_REQUIRED'); _setPriceFeeds(engineConstants.oracle, updates); } function _setPriceFeeds(IAaveOracle oracle, IEngine.PriceFeedUpdate[] memory updates) internal { address[] memory assets = new address[](updates.length); address[] memory sources = new address[](updates.length); for (uint256 i = 0; i < updates.length; i++) { require(updates[i].priceFeed != address(0), 'PRICE_FEED_ALWAYS_REQUIRED'); require( AggregatorInterface(updates[i].priceFeed).latestAnswer() > 0, 'FEED_SHOULD_RETURN_POSITIVE_PRICE' ); assets[i] = updates[i].asset; sources[i] = updates[i].priceFeed; } oracle.setAssetSources(assets, sources); } }
// SPDX-License-Identifier: BUSL-1.1 pragma solidity ^0.8.18; import {IDefaultInterestRateStrategyV2} from '../../../interfaces/IDefaultInterestRateStrategyV2.sol'; import {SafeCast} from '../../../dependencies/openzeppelin/contracts/SafeCast.sol'; import {EngineFlags} from '../EngineFlags.sol'; import {IAaveV3ConfigEngine as IEngine, IPoolConfigurator} from '../IAaveV3ConfigEngine.sol'; library RateEngine { using SafeCast for uint256; function executeRateStrategiesUpdate( IEngine.EngineConstants calldata engineConstants, IEngine.RateStrategyUpdate[] memory updates ) external { require(updates.length != 0, 'AT_LEAST_ONE_UPDATE_REQUIRED'); (address[] memory ids, IEngine.InterestRateInputData[] memory rates) = _unpackRatesUpdate( updates ); _configRateStrategies( IDefaultInterestRateStrategyV2(engineConstants.defaultInterestRateStrategy), engineConstants.poolConfigurator, ids, rates ); } function _configRateStrategies( IDefaultInterestRateStrategyV2 rateStrategy, IPoolConfigurator poolConfigurator, address[] memory ids, IEngine.InterestRateInputData[] memory strategiesParams ) internal { for (uint256 i = 0; i < strategiesParams.length; i++) { address asset = ids[i]; IEngine.InterestRateInputData memory strategyParams = strategiesParams[i]; bool atLeastOneKeepCurrent = strategyParams.optimalUsageRatio == EngineFlags.KEEP_CURRENT || strategyParams.baseVariableBorrowRate == EngineFlags.KEEP_CURRENT || strategyParams.variableRateSlope1 == EngineFlags.KEEP_CURRENT || strategyParams.variableRateSlope2 == EngineFlags.KEEP_CURRENT; if (atLeastOneKeepCurrent) { IDefaultInterestRateStrategyV2.InterestRateData memory currentStrategyData = IDefaultInterestRateStrategyV2(rateStrategy) .getInterestRateDataBps(asset); if (strategyParams.variableRateSlope1 == EngineFlags.KEEP_CURRENT) { strategyParams.variableRateSlope1 = currentStrategyData.variableRateSlope1; } if (strategyParams.variableRateSlope2 == EngineFlags.KEEP_CURRENT) { strategyParams.variableRateSlope2 = currentStrategyData.variableRateSlope2; } if (strategyParams.optimalUsageRatio == EngineFlags.KEEP_CURRENT) { strategyParams.optimalUsageRatio = currentStrategyData.optimalUsageRatio; } if (strategyParams.baseVariableBorrowRate == EngineFlags.KEEP_CURRENT) { strategyParams.baseVariableBorrowRate = currentStrategyData.baseVariableBorrowRate; } } poolConfigurator.setReserveInterestRateData( asset, abi.encode( IDefaultInterestRateStrategyV2.InterestRateData({ optimalUsageRatio: strategyParams.optimalUsageRatio.toUint16(), baseVariableBorrowRate: strategyParams.baseVariableBorrowRate.toUint32(), variableRateSlope1: strategyParams.variableRateSlope1.toUint32(), variableRateSlope2: strategyParams.variableRateSlope2.toUint32() }) ) ); } } function _unpackRatesUpdate( IEngine.RateStrategyUpdate[] memory updates ) internal pure returns (address[] memory, IEngine.InterestRateInputData[] memory) { address[] memory ids = new address[](updates.length); IEngine.InterestRateInputData[] memory rates = new IEngine.InterestRateInputData[]( updates.length ); for (uint256 i = 0; i < updates.length; i++) { ids[i] = updates[i].asset; rates[i] = updates[i].params; } return (ids, rates); } }
// SPDX-License-Identifier: MIT 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); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import {IReserveInterestRateStrategy} from './IReserveInterestRateStrategy.sol'; import {IPoolAddressesProvider} from './IPoolAddressesProvider.sol'; /** * @title IDefaultInterestRateStrategyV2 * @author BGD Labs * @notice Interface of the default interest rate strategy used by the Aave protocol */ interface IDefaultInterestRateStrategyV2 is IReserveInterestRateStrategy { /** * @notice Holds the interest rate data for a given reserve * * @dev Since values are in bps, they are multiplied by 1e23 in order to become rays with 27 decimals. This * in turn means that the maximum supported interest rate is 4294967295 (2**32-1) bps or 42949672.95%. * * @param optimalUsageRatio The optimal usage ratio, in bps * @param baseVariableBorrowRate The base variable borrow rate, in bps * @param variableRateSlope1 The slope of the variable interest curve, before hitting the optimal ratio, in bps * @param variableRateSlope2 The slope of the variable interest curve, after hitting the optimal ratio, in bps */ struct InterestRateData { uint16 optimalUsageRatio; uint32 baseVariableBorrowRate; uint32 variableRateSlope1; uint32 variableRateSlope2; } /** * @notice The interest rate data, where all values are in ray (fixed-point 27 decimal numbers) for a given reserve, * used in in-memory calculations. * * @param optimalUsageRatio The optimal usage ratio * @param baseVariableBorrowRate The base variable borrow rate * @param variableRateSlope1 The slope of the variable interest curve, before hitting the optimal ratio * @param variableRateSlope2 The slope of the variable interest curve, after hitting the optimal ratio */ struct InterestRateDataRay { uint256 optimalUsageRatio; uint256 baseVariableBorrowRate; uint256 variableRateSlope1; uint256 variableRateSlope2; } /** * @notice emitted when new interest rate data is set in a reserve * * @param reserve address of the reserve that has new interest rate data set * @param optimalUsageRatio The optimal usage ratio, in bps * @param baseVariableBorrowRate The base variable borrow rate, in bps * @param variableRateSlope1 The slope of the variable interest curve, before hitting the optimal ratio, in bps * @param variableRateSlope2 The slope of the variable interest curve, after hitting the optimal ratio, in bps */ event RateDataUpdate( address indexed reserve, uint256 optimalUsageRatio, uint256 baseVariableBorrowRate, uint256 variableRateSlope1, uint256 variableRateSlope2 ); /** * @notice Returns the address of the PoolAddressesProvider * @return The address of the PoolAddressesProvider contract */ function ADDRESSES_PROVIDER() external view returns (IPoolAddressesProvider); /** * @notice Returns the maximum value achievable for variable borrow rate, in bps * @return The maximum rate */ function MAX_BORROW_RATE() external view returns (uint256); /** * @notice Returns the minimum optimal point, in bps * @return The optimal point */ function MIN_OPTIMAL_POINT() external view returns (uint256); /** * @notice Returns the maximum optimal point, in bps * @return The optimal point */ function MAX_OPTIMAL_POINT() external view returns (uint256); /** * notice Returns the full InterestRateData object for the given reserve, in ray * * @param reserve The reserve to get the data of * * @return The InterestRateDataRay object for the given reserve */ function getInterestRateData(address reserve) external view returns (InterestRateDataRay memory); /** * notice Returns the full InterestRateDataRay object for the given reserve, in bps * * @param reserve The reserve to get the data of * * @return The InterestRateData object for the given reserve */ function getInterestRateDataBps(address reserve) external view returns (InterestRateData memory); /** * @notice Returns the optimal usage rate for the given reserve in ray * * @param reserve The reserve to get the optimal usage rate of * * @return The optimal usage rate is the level of borrow / collateral at which the borrow rate */ function getOptimalUsageRatio(address reserve) external view returns (uint256); /** * @notice Returns the variable rate slope below optimal usage ratio in ray * @dev It's the variable rate when usage ratio > 0 and <= OPTIMAL_USAGE_RATIO * * @param reserve The reserve to get the variable rate slope 1 of * * @return The variable rate slope */ function getVariableRateSlope1(address reserve) external view returns (uint256); /** * @notice Returns the variable rate slope above optimal usage ratio in ray * @dev It's the variable rate when usage ratio > OPTIMAL_USAGE_RATIO * * @param reserve The reserve to get the variable rate slope 2 of * * @return The variable rate slope */ function getVariableRateSlope2(address reserve) external view returns (uint256); /** * @notice Returns the base variable borrow rate, in ray * * @param reserve The reserve to get the base variable borrow rate of * * @return The base variable borrow rate */ function getBaseVariableBorrowRate(address reserve) external view returns (uint256); /** * @notice Returns the maximum variable borrow rate, in ray * * @param reserve The reserve to get the maximum variable borrow rate of * * @return The maximum variable borrow rate */ function getMaxVariableBorrowRate(address reserve) external view returns (uint256); /** * @notice Sets interest rate data for an Aave rate strategy * @param reserve The reserve to update * @param rateData The reserve interest rate data to apply to the given reserve * Being specific to this custom implementation, with custom struct type, * overloading the function on the generic interface */ function setInterestRateParams(address reserve, InterestRateData calldata rateData) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import {IPoolAddressesProvider} from './IPoolAddressesProvider.sol'; import {DataTypes} from '../protocol/libraries/types/DataTypes.sol'; /** * @title IPool * @author Aave * @notice Defines the basic interface for an Aave Pool. */ interface IPool { /** * @dev Emitted on mintUnbacked() * @param reserve The address of the underlying asset of the reserve * @param user The address initiating the supply * @param onBehalfOf The beneficiary of the supplied assets, receiving the aTokens * @param amount The amount of supplied assets * @param referralCode The referral code used */ event MintUnbacked( address indexed reserve, address user, address indexed onBehalfOf, uint256 amount, uint16 indexed referralCode ); /** * @dev Emitted on backUnbacked() * @param reserve The address of the underlying asset of the reserve * @param backer The address paying for the backing * @param amount The amount added as backing * @param fee The amount paid in fees */ event BackUnbacked(address indexed reserve, address indexed backer, uint256 amount, uint256 fee); /** * @dev Emitted on supply() * @param reserve The address of the underlying asset of the reserve * @param user The address initiating the supply * @param onBehalfOf The beneficiary of the supply, receiving the aTokens * @param amount The amount supplied * @param referralCode The referral code used */ event Supply( address indexed reserve, address user, address indexed onBehalfOf, uint256 amount, uint16 indexed referralCode ); /** * @dev Emitted on withdraw() * @param reserve The address of the underlying asset being withdrawn * @param user The address initiating the withdrawal, owner of aTokens * @param to The address that will receive the underlying * @param amount The amount to be withdrawn */ event Withdraw(address indexed reserve, address indexed user, address indexed to, uint256 amount); /** * @dev Emitted on borrow() and flashLoan() when debt needs to be opened * @param reserve The address of the underlying asset being borrowed * @param user The address of the user initiating the borrow(), receiving the funds on borrow() or just * initiator of the transaction on flashLoan() * @param onBehalfOf The address that will be getting the debt * @param amount The amount borrowed out * @param interestRateMode The rate mode: 2 for Variable, 1 is deprecated (changed on v3.2.0) * @param borrowRate The numeric rate at which the user has borrowed, expressed in ray * @param referralCode The referral code used */ event Borrow( address indexed reserve, address user, address indexed onBehalfOf, uint256 amount, DataTypes.InterestRateMode interestRateMode, uint256 borrowRate, uint16 indexed referralCode ); /** * @dev Emitted on repay() * @param reserve The address of the underlying asset of the reserve * @param user The beneficiary of the repayment, getting his debt reduced * @param repayer The address of the user initiating the repay(), providing the funds * @param amount The amount repaid * @param useATokens True if the repayment is done using aTokens, `false` if done with underlying asset directly */ event Repay( address indexed reserve, address indexed user, address indexed repayer, uint256 amount, bool useATokens ); /** * @dev Emitted on borrow(), repay() and liquidationCall() when using isolated assets * @param asset The address of the underlying asset of the reserve * @param totalDebt The total isolation mode debt for the reserve */ event IsolationModeTotalDebtUpdated(address indexed asset, uint256 totalDebt); /** * @dev Emitted when the user selects a certain asset category for eMode * @param user The address of the user * @param categoryId The category id */ event UserEModeSet(address indexed user, uint8 categoryId); /** * @dev Emitted on setUserUseReserveAsCollateral() * @param reserve The address of the underlying asset of the reserve * @param user The address of the user enabling the usage as collateral */ event ReserveUsedAsCollateralEnabled(address indexed reserve, address indexed user); /** * @dev Emitted on setUserUseReserveAsCollateral() * @param reserve The address of the underlying asset of the reserve * @param user The address of the user enabling the usage as collateral */ event ReserveUsedAsCollateralDisabled(address indexed reserve, address indexed user); /** * @dev Emitted on flashLoan() * @param target The address of the flash loan receiver contract * @param initiator The address initiating the flash loan * @param asset The address of the asset being flash borrowed * @param amount The amount flash borrowed * @param interestRateMode The flashloan mode: 0 for regular flashloan, * 1 for Stable (Deprecated on v3.2.0), 2 for Variable * @param premium The fee flash borrowed * @param referralCode The referral code used */ event FlashLoan( address indexed target, address initiator, address indexed asset, uint256 amount, DataTypes.InterestRateMode interestRateMode, uint256 premium, uint16 indexed referralCode ); /** * @dev Emitted when a borrower is liquidated. * @param collateralAsset The address of the underlying asset used as collateral, to receive as result of the liquidation * @param debtAsset The address of the underlying borrowed asset to be repaid with the liquidation * @param user The address of the borrower getting liquidated * @param debtToCover The debt amount of borrowed `asset` the liquidator wants to cover * @param liquidatedCollateralAmount The amount of collateral received by the liquidator * @param liquidator The address of the liquidator * @param receiveAToken True if the liquidators wants to receive the collateral aTokens, `false` if he wants * to receive the underlying collateral asset directly */ event LiquidationCall( address indexed collateralAsset, address indexed debtAsset, address indexed user, uint256 debtToCover, uint256 liquidatedCollateralAmount, address liquidator, bool receiveAToken ); /** * @dev Emitted when the state of a reserve is updated. * @param reserve The address of the underlying asset of the reserve * @param liquidityRate The next liquidity rate * @param stableBorrowRate The next stable borrow rate @note deprecated on v3.2.0 * @param variableBorrowRate The next variable borrow rate * @param liquidityIndex The next liquidity index * @param variableBorrowIndex The next variable borrow index */ event ReserveDataUpdated( address indexed reserve, uint256 liquidityRate, uint256 stableBorrowRate, uint256 variableBorrowRate, uint256 liquidityIndex, uint256 variableBorrowIndex ); /** * @dev Emitted when the deficit of a reserve is covered. * @param reserve The address of the underlying asset of the reserve * @param caller The caller that triggered the DeficitCovered event * @param amountCovered The amount of deficit covered */ event DeficitCovered(address indexed reserve, address caller, uint256 amountCovered); /** * @dev Emitted when the protocol treasury receives minted aTokens from the accrued interest. * @param reserve The address of the reserve * @param amountMinted The amount minted to the treasury */ event MintedToTreasury(address indexed reserve, uint256 amountMinted); /** * @dev Emitted when deficit is realized on a liquidation. * @param user The user address where the bad debt will be burned * @param debtAsset The address of the underlying borrowed asset to be burned * @param amountCreated The amount of deficit created */ event DeficitCreated(address indexed user, address indexed debtAsset, uint256 amountCreated); /** * @notice Mints an `amount` of aTokens to the `onBehalfOf` * @param asset The address of the underlying asset to mint * @param amount The amount to mint * @param onBehalfOf The address that will receive the aTokens * @param referralCode Code used to register the integrator originating the operation, for potential rewards. * 0 if the action is executed directly by the user, without any middle-man */ function mintUnbacked( address asset, uint256 amount, address onBehalfOf, uint16 referralCode ) external; /** * @notice Back the current unbacked underlying with `amount` and pay `fee`. * @param asset The address of the underlying asset to back * @param amount The amount to back * @param fee The amount paid in fees * @return The backed amount */ function backUnbacked(address asset, uint256 amount, uint256 fee) external returns (uint256); /** * @notice Supplies an `amount` of underlying asset into the reserve, receiving in return overlying aTokens. * - E.g. User supplies 100 USDC and gets in return 100 aUSDC * @param asset The address of the underlying asset to supply * @param amount The amount to be supplied * @param onBehalfOf The address that will receive the aTokens, same as msg.sender if the user * wants to receive them on his own wallet, or a different address if the beneficiary of aTokens * is a different wallet * @param referralCode Code used to register the integrator originating the operation, for potential rewards. * 0 if the action is executed directly by the user, without any middle-man */ function supply(address asset, uint256 amount, address onBehalfOf, uint16 referralCode) external; /** * @notice Supply with transfer approval of asset to be supplied done via permit function * see: https://eips.ethereum.org/EIPS/eip-2612 and https://eips.ethereum.org/EIPS/eip-713 * @param asset The address of the underlying asset to supply * @param amount The amount to be supplied * @param onBehalfOf The address that will receive the aTokens, same as msg.sender if the user * wants to receive them on his own wallet, or a different address if the beneficiary of aTokens * is a different wallet * @param deadline The deadline timestamp that the permit is valid * @param referralCode Code used to register the integrator originating the operation, for potential rewards. * 0 if the action is executed directly by the user, without any middle-man * @param permitV The V parameter of ERC712 permit sig * @param permitR The R parameter of ERC712 permit sig * @param permitS The S parameter of ERC712 permit sig */ function supplyWithPermit( address asset, uint256 amount, address onBehalfOf, uint16 referralCode, uint256 deadline, uint8 permitV, bytes32 permitR, bytes32 permitS ) external; /** * @notice Withdraws an `amount` of underlying asset from the reserve, burning the equivalent aTokens owned * E.g. User has 100 aUSDC, calls withdraw() and receives 100 USDC, burning the 100 aUSDC * @param asset The address of the underlying asset to withdraw * @param amount The underlying amount to be withdrawn * - Send the value type(uint256).max in order to withdraw the whole aToken balance * @param to The address that will receive the underlying, same as msg.sender if the user * wants to receive it on his own wallet, or a different address if the beneficiary is a * different wallet * @return The final amount withdrawn */ function withdraw(address asset, uint256 amount, address to) external returns (uint256); /** * @notice Allows users to borrow a specific `amount` of the reserve underlying asset, provided that the borrower * already supplied enough collateral, or he was given enough allowance by a credit delegator on the VariableDebtToken * - E.g. User borrows 100 USDC passing as `onBehalfOf` his own address, receiving the 100 USDC in his wallet * and 100 variable debt tokens * @param asset The address of the underlying asset to borrow * @param amount The amount to be borrowed * @param interestRateMode 2 for Variable, 1 is deprecated on v3.2.0 * @param referralCode The code used to register the integrator originating the operation, for potential rewards. * 0 if the action is executed directly by the user, without any middle-man * @param onBehalfOf The address of the user who will receive the debt. Should be the address of the borrower itself * calling the function if he wants to borrow against his own collateral, or the address of the credit delegator * if he has been given credit delegation allowance */ function borrow( address asset, uint256 amount, uint256 interestRateMode, uint16 referralCode, address onBehalfOf ) external; /** * @notice Repays a borrowed `amount` on a specific reserve, burning the equivalent debt tokens owned * - E.g. User repays 100 USDC, burning 100 variable debt tokens of the `onBehalfOf` address * @param asset The address of the borrowed underlying asset previously borrowed * @param amount The amount to repay * - Send the value type(uint256).max in order to repay the whole debt for `asset` on the specific `debtMode` * @param interestRateMode 2 for Variable, 1 is deprecated on v3.2.0 * @param onBehalfOf The address of the user who will get his debt reduced/removed. Should be the address of the * user calling the function if he wants to reduce/remove his own debt, or the address of any other * other borrower whose debt should be removed * @return The final amount repaid */ function repay( address asset, uint256 amount, uint256 interestRateMode, address onBehalfOf ) external returns (uint256); /** * @notice Repay with transfer approval of asset to be repaid done via permit function * see: https://eips.ethereum.org/EIPS/eip-2612 and https://eips.ethereum.org/EIPS/eip-713 * @param asset The address of the borrowed underlying asset previously borrowed * @param amount The amount to repay * - Send the value type(uint256).max in order to repay the whole debt for `asset` on the specific `debtMode` * @param interestRateMode 2 for Variable, 1 is deprecated on v3.2.0 * @param onBehalfOf Address of the user who will get his debt reduced/removed. Should be the address of the * user calling the function if he wants to reduce/remove his own debt, or the address of any other * other borrower whose debt should be removed * @param deadline The deadline timestamp that the permit is valid * @param permitV The V parameter of ERC712 permit sig * @param permitR The R parameter of ERC712 permit sig * @param permitS The S parameter of ERC712 permit sig * @return The final amount repaid */ function repayWithPermit( address asset, uint256 amount, uint256 interestRateMode, address onBehalfOf, uint256 deadline, uint8 permitV, bytes32 permitR, bytes32 permitS ) external returns (uint256); /** * @notice Repays a borrowed `amount` on a specific reserve using the reserve aTokens, burning the * equivalent debt tokens * - E.g. User repays 100 USDC using 100 aUSDC, burning 100 variable debt tokens * @dev Passing uint256.max as amount will clean up any residual aToken dust balance, if the user aToken * balance is not enough to cover the whole debt * @param asset The address of the borrowed underlying asset previously borrowed * @param amount The amount to repay * - Send the value type(uint256).max in order to repay the whole debt for `asset` on the specific `debtMode` * @param interestRateMode DEPRECATED in v3.2.0 * @return The final amount repaid */ function repayWithATokens( address asset, uint256 amount, uint256 interestRateMode ) external returns (uint256); /** * @notice Allows suppliers to enable/disable a specific supplied asset as collateral * @param asset The address of the underlying asset supplied * @param useAsCollateral True if the user wants to use the supply as collateral, false otherwise */ function setUserUseReserveAsCollateral(address asset, bool useAsCollateral) external; /** * @notice Function to liquidate a non-healthy position collateral-wise, with Health Factor below 1 * - The caller (liquidator) covers `debtToCover` amount of debt of the user getting liquidated, and receives * a proportionally amount of the `collateralAsset` plus a bonus to cover market risk * @param collateralAsset The address of the underlying asset used as collateral, to receive as result of the liquidation * @param debtAsset The address of the underlying borrowed asset to be repaid with the liquidation * @param user The address of the borrower getting liquidated * @param debtToCover The debt amount of borrowed `asset` the liquidator wants to cover * @param receiveAToken True if the liquidators wants to receive the collateral aTokens, `false` if he wants * to receive the underlying collateral asset directly */ function liquidationCall( address collateralAsset, address debtAsset, address user, uint256 debtToCover, bool receiveAToken ) external; /** * @notice Allows smartcontracts to access the liquidity of the pool within one transaction, * as long as the amount taken plus a fee is returned. * @dev IMPORTANT There are security concerns for developers of flashloan receiver contracts that must be kept * into consideration. For further details please visit https://docs.aave.com/developers/ * @param receiverAddress The address of the contract receiving the funds, implementing IFlashLoanReceiver interface * @param assets The addresses of the assets being flash-borrowed * @param amounts The amounts of the assets being flash-borrowed * @param interestRateModes Types of the debt to open if the flash loan is not returned: * 0 -> Don't open any debt, just revert if funds can't be transferred from the receiver * 1 -> Deprecated on v3.2.0 * 2 -> Open debt at variable rate for the value of the amount flash-borrowed to the `onBehalfOf` address * @param onBehalfOf The address that will receive the debt in the case of using 2 on `modes` * @param params Variadic packed params to pass to the receiver as extra information * @param referralCode The code used to register the integrator originating the operation, for potential rewards. * 0 if the action is executed directly by the user, without any middle-man */ function flashLoan( address receiverAddress, address[] calldata assets, uint256[] calldata amounts, uint256[] calldata interestRateModes, address onBehalfOf, bytes calldata params, uint16 referralCode ) external; /** * @notice Allows smartcontracts to access the liquidity of the pool within one transaction, * as long as the amount taken plus a fee is returned. * @dev IMPORTANT There are security concerns for developers of flashloan receiver contracts that must be kept * into consideration. For further details please visit https://docs.aave.com/developers/ * @param receiverAddress The address of the contract receiving the funds, implementing IFlashLoanSimpleReceiver interface * @param asset The address of the asset being flash-borrowed * @param amount The amount of the asset being flash-borrowed * @param params Variadic packed params to pass to the receiver as extra information * @param referralCode The code used to register the integrator originating the operation, for potential rewards. * 0 if the action is executed directly by the user, without any middle-man */ function flashLoanSimple( address receiverAddress, address asset, uint256 amount, bytes calldata params, uint16 referralCode ) external; /** * @notice Returns the user account data across all the reserves * @param user The address of the user * @return totalCollateralBase The total collateral of the user in the base currency used by the price feed * @return totalDebtBase The total debt of the user in the base currency used by the price feed * @return availableBorrowsBase The borrowing power left of the user in the base currency used by the price feed * @return currentLiquidationThreshold The liquidation threshold of the user * @return ltv The loan to value of The user * @return healthFactor The current health factor of the user */ function getUserAccountData( address user ) external view returns ( uint256 totalCollateralBase, uint256 totalDebtBase, uint256 availableBorrowsBase, uint256 currentLiquidationThreshold, uint256 ltv, uint256 healthFactor ); /** * @notice Initializes a reserve, activating it, assigning an aToken and debt tokens and an * interest rate strategy * @dev Only callable by the PoolConfigurator contract * @param asset The address of the underlying asset of the reserve * @param aTokenAddress The address of the aToken that will be assigned to the reserve * @param variableDebtAddress The address of the VariableDebtToken that will be assigned to the reserve * @param interestRateStrategyAddress The address of the interest rate strategy contract */ function initReserve( address asset, address aTokenAddress, address variableDebtAddress, address interestRateStrategyAddress ) external; /** * @notice Drop a reserve * @dev Only callable by the PoolConfigurator contract * @dev Does not reset eMode flags, which must be considered when reusing the same reserve id for a different reserve. * @param asset The address of the underlying asset of the reserve */ function dropReserve(address asset) external; /** * @notice Updates the address of the interest rate strategy contract * @dev Only callable by the PoolConfigurator contract * @param asset The address of the underlying asset of the reserve * @param rateStrategyAddress The address of the interest rate strategy contract */ function setReserveInterestRateStrategyAddress( address asset, address rateStrategyAddress ) external; /** * @notice Accumulates interest to all indexes of the reserve * @dev Only callable by the PoolConfigurator contract * @dev To be used when required by the configurator, for example when updating interest rates strategy data * @param asset The address of the underlying asset of the reserve */ function syncIndexesState(address asset) external; /** * @notice Updates interest rates on the reserve data * @dev Only callable by the PoolConfigurator contract * @dev To be used when required by the configurator, for example when updating interest rates strategy data * @param asset The address of the underlying asset of the reserve */ function syncRatesState(address asset) external; /** * @notice Sets the configuration bitmap of the reserve as a whole * @dev Only callable by the PoolConfigurator contract * @param asset The address of the underlying asset of the reserve * @param configuration The new configuration bitmap */ function setConfiguration( address asset, DataTypes.ReserveConfigurationMap calldata configuration ) external; /** * @notice Returns the configuration of the reserve * @param asset The address of the underlying asset of the reserve * @return The configuration of the reserve */ function getConfiguration( address asset ) external view returns (DataTypes.ReserveConfigurationMap memory); /** * @notice Returns the configuration of the user across all the reserves * @param user The user address * @return The configuration of the user */ function getUserConfiguration( address user ) external view returns (DataTypes.UserConfigurationMap memory); /** * @notice Returns the normalized income of the reserve * @param asset The address of the underlying asset of the reserve * @return The reserve's normalized income */ function getReserveNormalizedIncome(address asset) external view returns (uint256); /** * @notice Returns the normalized variable debt per unit of asset * @dev WARNING: This function is intended to be used primarily by the protocol itself to get a * "dynamic" variable index based on time, current stored index and virtual rate at the current * moment (approx. a borrower would get if opening a position). This means that is always used in * combination with variable debt supply/balances. * If using this function externally, consider that is possible to have an increasing normalized * variable debt that is not equivalent to how the variable debt index would be updated in storage * (e.g. only updates with non-zero variable debt supply) * @param asset The address of the underlying asset of the reserve * @return The reserve normalized variable debt */ function getReserveNormalizedVariableDebt(address asset) external view returns (uint256); /** * @notice Returns the state and configuration of the reserve * @param asset The address of the underlying asset of the reserve * @return The state and configuration data of the reserve */ function getReserveData(address asset) external view returns (DataTypes.ReserveDataLegacy memory); /** * @notice Returns the virtual underlying balance of the reserve * @param asset The address of the underlying asset of the reserve * @return The reserve virtual underlying balance */ function getVirtualUnderlyingBalance(address asset) external view returns (uint128); /** * @notice Validates and finalizes an aToken transfer * @dev Only callable by the overlying aToken of the `asset` * @param asset The address of the underlying asset of the aToken * @param from The user from which the aTokens are transferred * @param to The user receiving the aTokens * @param amount The amount being transferred/withdrawn * @param balanceFromBefore The aToken balance of the `from` user before the transfer * @param balanceToBefore The aToken balance of the `to` user before the transfer */ function finalizeTransfer( address asset, address from, address to, uint256 amount, uint256 balanceFromBefore, uint256 balanceToBefore ) external; /** * @notice Returns the list of the underlying assets of all the initialized reserves * @dev It does not include dropped reserves * @return The addresses of the underlying assets of the initialized reserves */ function getReservesList() external view returns (address[] memory); /** * @notice Returns the number of initialized reserves * @dev It includes dropped reserves * @return The count */ function getReservesCount() external view returns (uint256); /** * @notice Returns the address of the underlying asset of a reserve by the reserve id as stored in the DataTypes.ReserveData struct * @param id The id of the reserve as stored in the DataTypes.ReserveData struct * @return The address of the reserve associated with id */ function getReserveAddressById(uint16 id) external view returns (address); /** * @notice Returns the PoolAddressesProvider connected to this contract * @return The address of the PoolAddressesProvider */ function ADDRESSES_PROVIDER() external view returns (IPoolAddressesProvider); /** * @notice Updates the protocol fee on the bridging * @param bridgeProtocolFee The part of the premium sent to the protocol treasury */ function updateBridgeProtocolFee(uint256 bridgeProtocolFee) external; /** * @notice Updates flash loan premiums. Flash loan premium consists of two parts: * - A part is sent to aToken holders as extra, one time accumulated interest * - A part is collected by the protocol treasury * @dev The total premium is calculated on the total borrowed amount * @dev The premium to protocol is calculated on the total premium, being a percentage of `flashLoanPremiumTotal` * @dev Only callable by the PoolConfigurator contract * @param flashLoanPremiumTotal The total premium, expressed in bps * @param flashLoanPremiumToProtocol The part of the premium sent to the protocol treasury, expressed in bps */ function updateFlashloanPremiums( uint128 flashLoanPremiumTotal, uint128 flashLoanPremiumToProtocol ) external; /** * @notice Configures a new or alters an existing collateral configuration of an eMode. * @dev In eMode, the protocol allows very high borrowing power to borrow assets of the same category. * The category 0 is reserved as it's the default for volatile assets * @param id The id of the category * @param config The configuration of the category */ function configureEModeCategory( uint8 id, DataTypes.EModeCategoryBaseConfiguration memory config ) external; /** * @notice Replaces the current eMode collateralBitmap. * @param id The id of the category * @param collateralBitmap The collateralBitmap of the category */ function configureEModeCategoryCollateralBitmap(uint8 id, uint128 collateralBitmap) external; /** * @notice Replaces the current eMode borrowableBitmap. * @param id The id of the category * @param borrowableBitmap The borrowableBitmap of the category */ function configureEModeCategoryBorrowableBitmap(uint8 id, uint128 borrowableBitmap) external; /** * @notice Returns the data of an eMode category * @dev DEPRECATED use independent getters instead * @param id The id of the category * @return The configuration data of the category */ function getEModeCategoryData( uint8 id ) external view returns (DataTypes.EModeCategoryLegacy memory); /** * @notice Returns the label of an eMode category * @param id The id of the category * @return The label of the category */ function getEModeCategoryLabel(uint8 id) external view returns (string memory); /** * @notice Returns the collateral config of an eMode category * @param id The id of the category * @return The ltv,lt,lb of the category */ function getEModeCategoryCollateralConfig( uint8 id ) external view returns (DataTypes.CollateralConfig memory); /** * @notice Returns the collateralBitmap of an eMode category * @param id The id of the category * @return The collateralBitmap of the category */ function getEModeCategoryCollateralBitmap(uint8 id) external view returns (uint128); /** * @notice Returns the borrowableBitmap of an eMode category * @param id The id of the category * @return The borrowableBitmap of the category */ function getEModeCategoryBorrowableBitmap(uint8 id) external view returns (uint128); /** * @notice Allows a user to use the protocol in eMode * @param categoryId The id of the category */ function setUserEMode(uint8 categoryId) external; /** * @notice Returns the eMode the user is using * @param user The address of the user * @return The eMode id */ function getUserEMode(address user) external view returns (uint256); /** * @notice Resets the isolation mode total debt of the given asset to zero * @dev It requires the given asset has zero debt ceiling * @param asset The address of the underlying asset to reset the isolationModeTotalDebt */ function resetIsolationModeTotalDebt(address asset) external; /** * @notice Sets the liquidation grace period of the given asset * @dev To enable a liquidation grace period, a timestamp in the future should be set, * To disable a liquidation grace period, any timestamp in the past works, like 0 * @param asset The address of the underlying asset to set the liquidationGracePeriod * @param until Timestamp when the liquidation grace period will end **/ function setLiquidationGracePeriod(address asset, uint40 until) external; /** * @notice Returns the liquidation grace period of the given asset * @param asset The address of the underlying asset * @return Timestamp when the liquidation grace period will end **/ function getLiquidationGracePeriod(address asset) external view returns (uint40); /** * @notice Returns the total fee on flash loans * @return The total fee on flashloans */ function FLASHLOAN_PREMIUM_TOTAL() external view returns (uint128); /** * @notice Returns the part of the bridge fees sent to protocol * @return The bridge fee sent to the protocol treasury */ function BRIDGE_PROTOCOL_FEE() external view returns (uint256); /** * @notice Returns the part of the flashloan fees sent to protocol * @return The flashloan fee sent to the protocol treasury */ function FLASHLOAN_PREMIUM_TO_PROTOCOL() external view returns (uint128); /** * @notice Returns the maximum number of reserves supported to be listed in this Pool * @return The maximum number of reserves supported */ function MAX_NUMBER_RESERVES() external view returns (uint16); /** * @notice Mints the assets accrued through the reserve factor to the treasury in the form of aTokens * @param assets The list of reserves for which the minting needs to be executed */ function mintToTreasury(address[] calldata assets) external; /** * @notice Rescue and transfer tokens locked in this contract * @param token The address of the token * @param to The address of the recipient * @param amount The amount of token to transfer */ function rescueTokens(address token, address to, uint256 amount) external; /** * @notice Supplies an `amount` of underlying asset into the reserve, receiving in return overlying aTokens. * - E.g. User supplies 100 USDC and gets in return 100 aUSDC * @dev Deprecated: Use the `supply` function instead * @param asset The address of the underlying asset to supply * @param amount The amount to be supplied * @param onBehalfOf The address that will receive the aTokens, same as msg.sender if the user * wants to receive them on his own wallet, or a different address if the beneficiary of aTokens * is a different wallet * @param referralCode Code used to register the integrator originating the operation, for potential rewards. * 0 if the action is executed directly by the user, without any middle-man */ function deposit(address asset, uint256 amount, address onBehalfOf, uint16 referralCode) external; /** * @notice It covers the deficit of a specified reserve by burning: * - the equivalent aToken `amount` for assets with virtual accounting enabled * - the equivalent `amount` of underlying for assets with virtual accounting disabled (e.g. GHO) * @dev The deficit of a reserve can occur due to situations where borrowed assets are not repaid, leading to bad debt. * @param asset The address of the underlying asset to cover the deficit. * @param amount The amount to be covered, in aToken or underlying on non-virtual accounted assets */ function eliminateReserveDeficit(address asset, uint256 amount) external; /** * @notice Returns the current deficit of a reserve. * @param asset The address of the underlying asset of the reserve * @return The current deficit of the reserve */ function getReserveDeficit(address asset) external view returns (uint256); /** * @notice Returns the aToken address of a reserve. * @param asset The address of the underlying asset of the reserve * @return The address of the aToken */ function getReserveAToken(address asset) external view returns (address); /** * @notice Returns the variableDebtToken address of a reserve. * @param asset The address of the underlying asset of the reserve * @return The address of the variableDebtToken */ function getReserveVariableDebtToken(address asset) external view returns (address); /** * @notice Gets the address of the external FlashLoanLogic */ function getFlashLoanLogic() external view returns (address); /** * @notice Gets the address of the external BorrowLogic */ function getBorrowLogic() external view returns (address); /** * @notice Gets the address of the external BridgeLogic */ function getBridgeLogic() external view returns (address); /** * @notice Gets the address of the external EModeLogic */ function getEModeLogic() external view returns (address); /** * @notice Gets the address of the external LiquidationLogic */ function getLiquidationLogic() external view returns (address); /** * @notice Gets the address of the external PoolLogic */ function getPoolLogic() external view returns (address); /** * @notice Gets the address of the external SupplyLogic */ function getSupplyLogic() external view returns (address); }
// SPDX-License-Identifier: MIT 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: MIT pragma solidity ^0.8.0; import {ConfiguratorInputTypes} from '../protocol/libraries/types/ConfiguratorInputTypes.sol'; import {IDefaultInterestRateStrategyV2} from './IDefaultInterestRateStrategyV2.sol'; /** * @title IPoolConfigurator * @author Aave * @notice Defines the basic interface for a Pool configurator. */ interface IPoolConfigurator { /** * @dev Emitted when a reserve is initialized. * @param asset The address of the underlying asset of the reserve * @param aToken The address of the associated aToken contract * @param stableDebtToken, DEPRECATED in v3.2.0 * @param variableDebtToken The address of the associated variable rate debt token * @param interestRateStrategyAddress The address of the interest rate strategy for the reserve */ event ReserveInitialized( address indexed asset, address indexed aToken, address stableDebtToken, address variableDebtToken, address interestRateStrategyAddress ); /** * @dev Emitted when borrowing is enabled or disabled on a reserve. * @param asset The address of the underlying asset of the reserve * @param enabled True if borrowing is enabled, false otherwise */ event ReserveBorrowing(address indexed asset, bool enabled); /** * @dev Emitted when flashloans are enabled or disabled on a reserve. * @param asset The address of the underlying asset of the reserve * @param enabled True if flashloans are enabled, false otherwise */ event ReserveFlashLoaning(address indexed asset, bool enabled); /** * @dev Emitted when the ltv is set for the frozen asset. * @param asset The address of the underlying asset of the reserve * @param ltv The loan to value of the asset when used as collateral */ event PendingLtvChanged(address indexed asset, uint256 ltv); /** * @dev Emitted when the collateralization risk parameters for the specified asset are updated. * @param asset The address of the underlying asset of the reserve * @param ltv The loan to value of the asset when used as collateral * @param liquidationThreshold The threshold at which loans using this asset as collateral will be considered undercollateralized * @param liquidationBonus The bonus liquidators receive to liquidate this asset */ event CollateralConfigurationChanged( address indexed asset, uint256 ltv, uint256 liquidationThreshold, uint256 liquidationBonus ); /** * @dev Emitted when a reserve is activated or deactivated * @param asset The address of the underlying asset of the reserve * @param active True if reserve is active, false otherwise */ event ReserveActive(address indexed asset, bool active); /** * @dev Emitted when a reserve is frozen or unfrozen * @param asset The address of the underlying asset of the reserve * @param frozen True if reserve is frozen, false otherwise */ event ReserveFrozen(address indexed asset, bool frozen); /** * @dev Emitted when a reserve is paused or unpaused * @param asset The address of the underlying asset of the reserve * @param paused True if reserve is paused, false otherwise */ event ReservePaused(address indexed asset, bool paused); /** * @dev Emitted when a reserve is dropped. * @param asset The address of the underlying asset of the reserve */ event ReserveDropped(address indexed asset); /** * @dev Emitted when a reserve factor is updated. * @param asset The address of the underlying asset of the reserve * @param oldReserveFactor The old reserve factor, expressed in bps * @param newReserveFactor The new reserve factor, expressed in bps */ event ReserveFactorChanged( address indexed asset, uint256 oldReserveFactor, uint256 newReserveFactor ); /** * @dev Emitted when the borrow cap of a reserve is updated. * @param asset The address of the underlying asset of the reserve * @param oldBorrowCap The old borrow cap * @param newBorrowCap The new borrow cap */ event BorrowCapChanged(address indexed asset, uint256 oldBorrowCap, uint256 newBorrowCap); /** * @dev Emitted when the supply cap of a reserve is updated. * @param asset The address of the underlying asset of the reserve * @param oldSupplyCap The old supply cap * @param newSupplyCap The new supply cap */ event SupplyCapChanged(address indexed asset, uint256 oldSupplyCap, uint256 newSupplyCap); /** * @dev Emitted when the liquidation protocol fee of a reserve is updated. * @param asset The address of the underlying asset of the reserve * @param oldFee The old liquidation protocol fee, expressed in bps * @param newFee The new liquidation protocol fee, expressed in bps */ event LiquidationProtocolFeeChanged(address indexed asset, uint256 oldFee, uint256 newFee); /** * @dev Emitted when the liquidation grace period is updated. * @param asset The address of the underlying asset of the reserve * @param gracePeriodUntil Timestamp until when liquidations will not be allowed post-unpause */ event LiquidationGracePeriodChanged(address indexed asset, uint40 gracePeriodUntil); /** * @dev Emitted when the liquidation grace period is disabled. * @param asset The address of the underlying asset of the reserve */ event LiquidationGracePeriodDisabled(address indexed asset); /** * @dev Emitted when the unbacked mint cap of a reserve is updated. * @param asset The address of the underlying asset of the reserve * @param oldUnbackedMintCap The old unbacked mint cap * @param newUnbackedMintCap The new unbacked mint cap */ event UnbackedMintCapChanged( address indexed asset, uint256 oldUnbackedMintCap, uint256 newUnbackedMintCap ); /** * @dev Emitted when an collateral configuration of an asset in an eMode is changed. * @param asset The address of the underlying asset of the reserve * @param categoryId The eMode category * @param collateral True if the asset is enabled as collateral in the eMode, false otherwise. */ event AssetCollateralInEModeChanged(address indexed asset, uint8 categoryId, bool collateral); /** * @dev Emitted when the borrowable configuration of an asset in an eMode changed. * @param asset The address of the underlying asset of the reserve * @param categoryId The eMode category * @param borrowable True if the asset is enabled as borrowable in the eMode, false otherwise. */ event AssetBorrowableInEModeChanged(address indexed asset, uint8 categoryId, bool borrowable); /** * @dev Emitted when a new eMode category is added or an existing category is altered. * @param categoryId The new eMode category id * @param ltv The ltv for the asset category in eMode * @param liquidationThreshold The liquidationThreshold for the asset category in eMode * @param liquidationBonus The liquidationBonus for the asset category in eMode * @param oracle DEPRECATED in v3.2.0 * @param label A human readable identifier for the category */ event EModeCategoryAdded( uint8 indexed categoryId, uint256 ltv, uint256 liquidationThreshold, uint256 liquidationBonus, address oracle, string label ); /** * @dev Emitted when a reserve interest strategy contract is updated. * @param asset The address of the underlying asset of the reserve * @param oldStrategy The address of the old interest strategy contract * @param newStrategy The address of the new interest strategy contract */ event ReserveInterestRateStrategyChanged( address indexed asset, address oldStrategy, address newStrategy ); /** * @dev Emitted when the data of a reserve interest strategy contract is updated. * @param asset The address of the underlying asset of the reserve * @param data abi encoded data */ event ReserveInterestRateDataChanged(address indexed asset, address indexed strategy, bytes data); /** * @dev Emitted when an aToken implementation is upgraded. * @param asset The address of the underlying asset of the reserve * @param proxy The aToken proxy address * @param implementation The new aToken implementation */ event ATokenUpgraded( address indexed asset, address indexed proxy, address indexed implementation ); /** * @dev Emitted when the implementation of a variable debt token is upgraded. * @param asset The address of the underlying asset of the reserve * @param proxy The variable debt token proxy address * @param implementation The new aToken implementation */ event VariableDebtTokenUpgraded( address indexed asset, address indexed proxy, address indexed implementation ); /** * @dev Emitted when the debt ceiling of an asset is set. * @param asset The address of the underlying asset of the reserve * @param oldDebtCeiling The old debt ceiling * @param newDebtCeiling The new debt ceiling */ event DebtCeilingChanged(address indexed asset, uint256 oldDebtCeiling, uint256 newDebtCeiling); /** * @dev Emitted when the the siloed borrowing state for an asset is changed. * @param asset The address of the underlying asset of the reserve * @param oldState The old siloed borrowing state * @param newState The new siloed borrowing state */ event SiloedBorrowingChanged(address indexed asset, bool oldState, bool newState); /** * @dev Emitted when the bridge protocol fee is updated. * @param oldBridgeProtocolFee The old protocol fee, expressed in bps * @param newBridgeProtocolFee The new protocol fee, expressed in bps */ event BridgeProtocolFeeUpdated(uint256 oldBridgeProtocolFee, uint256 newBridgeProtocolFee); /** * @dev Emitted when the total premium on flashloans is updated. * @param oldFlashloanPremiumTotal The old premium, expressed in bps * @param newFlashloanPremiumTotal The new premium, expressed in bps */ event FlashloanPremiumTotalUpdated( uint128 oldFlashloanPremiumTotal, uint128 newFlashloanPremiumTotal ); /** * @dev Emitted when the part of the premium that goes to protocol is updated. * @param oldFlashloanPremiumToProtocol The old premium, expressed in bps * @param newFlashloanPremiumToProtocol The new premium, expressed in bps */ event FlashloanPremiumToProtocolUpdated( uint128 oldFlashloanPremiumToProtocol, uint128 newFlashloanPremiumToProtocol ); /** * @dev Emitted when the reserve is set as borrowable/non borrowable in isolation mode. * @param asset The address of the underlying asset of the reserve * @param borrowable True if the reserve is borrowable in isolation, false otherwise */ event BorrowableInIsolationChanged(address asset, bool borrowable); /** * @notice Initializes multiple reserves. * @dev param useVirtualBalance of the input struct should be true for all normal assets and should be false * only in special cases (ex. GHO) where an asset is minted instead of supplied. * @param input The array of initialization parameters */ function initReserves(ConfiguratorInputTypes.InitReserveInput[] calldata input) external; /** * @dev Updates the aToken implementation for the reserve. * @param input The aToken update parameters */ function updateAToken(ConfiguratorInputTypes.UpdateATokenInput calldata input) external; /** * @notice Updates the variable debt token implementation for the asset. * @param input The variableDebtToken update parameters */ function updateVariableDebtToken( ConfiguratorInputTypes.UpdateDebtTokenInput calldata input ) external; /** * @notice Configures borrowing on a reserve. * @param asset The address of the underlying asset of the reserve * @param enabled True if borrowing needs to be enabled, false otherwise */ function setReserveBorrowing(address asset, bool enabled) external; /** * @notice Configures the reserve collateralization parameters. * @dev All the values are expressed in bps. A value of 10000, results in 100.00% * @dev The `liquidationBonus` is always above 100%. A value of 105% means the liquidator will receive a 5% bonus * @param asset The address of the underlying asset of the reserve * @param ltv The loan to value of the asset when used as collateral * @param liquidationThreshold The threshold at which loans using this asset as collateral will be considered undercollateralized * @param liquidationBonus The bonus liquidators receive to liquidate this asset */ function configureReserveAsCollateral( address asset, uint256 ltv, uint256 liquidationThreshold, uint256 liquidationBonus ) external; /** * @notice Enable or disable flashloans on a reserve * @param asset The address of the underlying asset of the reserve * @param enabled True if flashloans need to be enabled, false otherwise */ function setReserveFlashLoaning(address asset, bool enabled) external; /** * @notice Activate or deactivate a reserve * @param asset The address of the underlying asset of the reserve * @param active True if the reserve needs to be active, false otherwise */ function setReserveActive(address asset, bool active) external; /** * @notice Freeze or unfreeze a reserve. A frozen reserve doesn't allow any new supply, borrow * or rate swap but allows repayments, liquidations, rate rebalances and withdrawals. * @param asset The address of the underlying asset of the reserve * @param freeze True if the reserve needs to be frozen, false otherwise */ function setReserveFreeze(address asset, bool freeze) external; /** * @notice Sets the borrowable in isolation flag for the reserve. * @dev When this flag is set to true, the asset will be borrowable against isolated collaterals and the * borrowed amount will be accumulated in the isolated collateral's total debt exposure * @dev Only assets of the same family (e.g. USD stablecoins) should be borrowable in isolation mode to keep * consistency in the debt ceiling calculations * @param asset The address of the underlying asset of the reserve * @param borrowable True if the asset should be borrowable in isolation, false otherwise */ function setBorrowableInIsolation(address asset, bool borrowable) external; /** * @notice Pauses a reserve. A paused reserve does not allow any interaction (supply, borrow, repay, * swap interest rate, liquidate, atoken transfers). * @param asset The address of the underlying asset of the reserve * @param paused True if pausing the reserve, false if unpausing * @param gracePeriod Count of seconds after unpause during which liquidations will not be available * - Only applicable whenever unpausing (`paused` as false) * - Passing 0 means no grace period * - Capped to maximum MAX_GRACE_PERIOD */ function setReservePause(address asset, bool paused, uint40 gracePeriod) external; /** * @notice Pauses a reserve. A paused reserve does not allow any interaction (supply, borrow, repay, * swap interest rate, liquidate, atoken transfers). * @dev Version with no grace period * @param asset The address of the underlying asset of the reserve * @param paused True if pausing the reserve, false if unpausing */ function setReservePause(address asset, bool paused) external; /** * @notice Disables liquidation grace period for the asset. The liquidation grace period is set in the past * so that liquidations are allowed for the asset. * @param asset The address of the underlying asset of the reserve */ function disableLiquidationGracePeriod(address asset) external; /** * @notice Updates the reserve factor of a reserve. * @param asset The address of the underlying asset of the reserve * @param newReserveFactor The new reserve factor of the reserve */ function setReserveFactor(address asset, uint256 newReserveFactor) external; /** * @notice Sets the interest rate strategy of a reserve. * @param asset The address of the underlying asset of the reserve * @param newRateStrategyAddress The address of the new interest strategy contract * @param rateData bytes-encoded rate data. In this format in order to allow the rate strategy contract * to de-structure custom data */ function setReserveInterestRateStrategyAddress( address asset, address newRateStrategyAddress, bytes calldata rateData ) external; /** * @notice Sets interest rate data for a reserve * @param asset The address of the underlying asset of the reserve * @param rateData bytes-encoded rate data. In this format in order to allow the rate strategy contract * to de-structure custom data */ function setReserveInterestRateData(address asset, bytes calldata rateData) external; /** * @notice Pauses or unpauses all the protocol reserves. In the paused state all the protocol interactions * are suspended. * @param paused True if protocol needs to be paused, false otherwise * @param gracePeriod Count of seconds after unpause during which liquidations will not be available * - Only applicable whenever unpausing (`paused` as false) * - Passing 0 means no grace period * - Capped to maximum MAX_GRACE_PERIOD */ function setPoolPause(bool paused, uint40 gracePeriod) external; /** * @notice Pauses or unpauses all the protocol reserves. In the paused state all the protocol interactions * are suspended. * @dev Version with no grace period * @param paused True if protocol needs to be paused, false otherwise */ function setPoolPause(bool paused) external; /** * @notice Updates the borrow cap of a reserve. * @param asset The address of the underlying asset of the reserve * @param newBorrowCap The new borrow cap of the reserve */ function setBorrowCap(address asset, uint256 newBorrowCap) external; /** * @notice Updates the supply cap of a reserve. * @param asset The address of the underlying asset of the reserve * @param newSupplyCap The new supply cap of the reserve */ function setSupplyCap(address asset, uint256 newSupplyCap) external; /** * @notice Updates the liquidation protocol fee of reserve. * @param asset The address of the underlying asset of the reserve * @param newFee The new liquidation protocol fee of the reserve, expressed in bps */ function setLiquidationProtocolFee(address asset, uint256 newFee) external; /** * @notice Updates the unbacked mint cap of reserve. * @param asset The address of the underlying asset of the reserve * @param newUnbackedMintCap The new unbacked mint cap of the reserve */ function setUnbackedMintCap(address asset, uint256 newUnbackedMintCap) external; /** * @notice Enables/disables an asset to be borrowable in a selected eMode. * - eMode.borrowable always has less priority then reserve.borrowable * @param asset The address of the underlying asset of the reserve * @param categoryId The eMode categoryId * @param borrowable True if the asset should be borrowable in the given eMode category, false otherwise. */ function setAssetBorrowableInEMode(address asset, uint8 categoryId, bool borrowable) external; /** * @notice Enables/disables an asset to be collateral in a selected eMode. * @param asset The address of the underlying asset of the reserve * @param categoryId The eMode categoryId * @param collateral True if the asset should be collateral in the given eMode category, false otherwise. */ function setAssetCollateralInEMode(address asset, uint8 categoryId, bool collateral) external; /** * @notice Adds a new efficiency mode (eMode) category or alters a existing one. * @param categoryId The id of the category to be configured * @param ltv The ltv associated with the category * @param liquidationThreshold The liquidation threshold associated with the category * @param liquidationBonus The liquidation bonus associated with the category * @param label A label identifying the category */ function setEModeCategory( uint8 categoryId, uint16 ltv, uint16 liquidationThreshold, uint16 liquidationBonus, string calldata label ) external; /** * @notice Drops a reserve entirely. * @param asset The address of the reserve to drop */ function dropReserve(address asset) external; /** * @notice Updates the bridge fee collected by the protocol reserves. * @param newBridgeProtocolFee The part of the fee sent to the protocol treasury, expressed in bps */ function updateBridgeProtocolFee(uint256 newBridgeProtocolFee) external; /** * @notice Updates the total flash loan premium. * Total flash loan premium consists of two parts: * - A part is sent to aToken holders as extra balance * - A part is collected by the protocol reserves * @dev Expressed in bps * @dev The premium is calculated on the total amount borrowed * @param newFlashloanPremiumTotal The total flashloan premium */ function updateFlashloanPremiumTotal(uint128 newFlashloanPremiumTotal) external; /** * @notice Updates the flash loan premium collected by protocol reserves * @dev Expressed in bps * @dev The premium to protocol is calculated on the total flashloan premium * @param newFlashloanPremiumToProtocol The part of the flashloan premium sent to the protocol treasury */ function updateFlashloanPremiumToProtocol(uint128 newFlashloanPremiumToProtocol) external; /** * @notice Sets the debt ceiling for an asset. * @param newDebtCeiling The new debt ceiling */ function setDebtCeiling(address asset, uint256 newDebtCeiling) external; /** * @notice Sets siloed borrowing for an asset * @param siloed The new siloed borrowing state */ function setSiloedBorrowing(address asset, bool siloed) external; /** * @notice Gets pending ltv value * @param asset The new siloed borrowing state */ function getPendingLtv(address asset) external view returns (uint256); /** * @notice Gets the address of the external ConfiguratorLogic */ function getConfiguratorLogic() external view returns (address); /** * @notice Gets the maximum liquidations grace period allowed, in seconds */ function MAX_GRACE_PERIOD() external view returns (uint40); }
// SPDX-License-Identifier: MIT 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); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import {DataTypes} from '../protocol/libraries/types/DataTypes.sol'; /** * @title IReserveInterestRateStrategy * @author BGD Labs * @notice Basic interface for any rate strategy used by the Aave protocol */ interface IReserveInterestRateStrategy { /** * @notice Sets interest rate data for an Aave rate strategy * @param reserve The reserve to update * @param rateData The abi encoded reserve interest rate data to apply to the given reserve * Abstracted this way as rate strategies can be custom */ function setInterestRateParams(address reserve, bytes calldata rateData) external; /** * @notice Calculates the interest rates depending on the reserve's state and configurations * @param params The parameters needed to calculate interest rates * @return liquidityRate The liquidity rate expressed in ray * @return variableBorrowRate The variable borrow rate expressed in ray */ function calculateInterestRates( DataTypes.CalculateInterestRatesParams memory params ) external view returns (uint256, uint256); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import {Errors} from '../helpers/Errors.sol'; import {DataTypes} from '../types/DataTypes.sol'; /** * @title ReserveConfiguration library * @author Aave * @notice Implements the bitmap logic to handle the reserve configuration */ library ReserveConfiguration { uint256 internal constant LTV_MASK = 0x000000000000000000000000000000000000000000000000000000000000FFFF; // prettier-ignore uint256 internal constant LIQUIDATION_THRESHOLD_MASK = 0x00000000000000000000000000000000000000000000000000000000FFFF0000; // prettier-ignore uint256 internal constant LIQUIDATION_BONUS_MASK = 0x0000000000000000000000000000000000000000000000000000FFFF00000000; // prettier-ignore uint256 internal constant DECIMALS_MASK = 0x00000000000000000000000000000000000000000000000000FF000000000000; // prettier-ignore uint256 internal constant ACTIVE_MASK = 0x0000000000000000000000000000000000000000000000000100000000000000; // prettier-ignore uint256 internal constant FROZEN_MASK = 0x0000000000000000000000000000000000000000000000000200000000000000; // prettier-ignore uint256 internal constant BORROWING_MASK = 0x0000000000000000000000000000000000000000000000000400000000000000; // prettier-ignore // @notice there is an unoccupied hole of 1 bit at position 59 from pre 3.2 stableBorrowRateEnabled uint256 internal constant PAUSED_MASK = 0x0000000000000000000000000000000000000000000000001000000000000000; // prettier-ignore uint256 internal constant BORROWABLE_IN_ISOLATION_MASK = 0x0000000000000000000000000000000000000000000000002000000000000000; // prettier-ignore uint256 internal constant SILOED_BORROWING_MASK = 0x0000000000000000000000000000000000000000000000004000000000000000; // prettier-ignore uint256 internal constant FLASHLOAN_ENABLED_MASK = 0x0000000000000000000000000000000000000000000000008000000000000000; // prettier-ignore uint256 internal constant RESERVE_FACTOR_MASK = 0x00000000000000000000000000000000000000000000FFFF0000000000000000; // prettier-ignore uint256 internal constant BORROW_CAP_MASK = 0x00000000000000000000000000000000000FFFFFFFFF00000000000000000000; // prettier-ignore uint256 internal constant SUPPLY_CAP_MASK = 0x00000000000000000000000000FFFFFFFFF00000000000000000000000000000; // prettier-ignore uint256 internal constant LIQUIDATION_PROTOCOL_FEE_MASK = 0x0000000000000000000000FFFF00000000000000000000000000000000000000; // prettier-ignore //@notice there is an unoccupied hole of 8 bits from 168 to 176 left from pre 3.2 eModeCategory uint256 internal constant UNBACKED_MINT_CAP_MASK = 0x00000000000FFFFFFFFF00000000000000000000000000000000000000000000; // prettier-ignore uint256 internal constant DEBT_CEILING_MASK = 0x0FFFFFFFFFF00000000000000000000000000000000000000000000000000000; // prettier-ignore uint256 internal constant VIRTUAL_ACC_ACTIVE_MASK = 0x1000000000000000000000000000000000000000000000000000000000000000; // prettier-ignore /// @dev For the LTV, the start bit is 0 (up to 15), hence no bitshifting is needed uint256 internal constant LIQUIDATION_THRESHOLD_START_BIT_POSITION = 16; uint256 internal constant LIQUIDATION_BONUS_START_BIT_POSITION = 32; uint256 internal constant RESERVE_DECIMALS_START_BIT_POSITION = 48; uint256 internal constant IS_ACTIVE_START_BIT_POSITION = 56; uint256 internal constant IS_FROZEN_START_BIT_POSITION = 57; uint256 internal constant BORROWING_ENABLED_START_BIT_POSITION = 58; uint256 internal constant IS_PAUSED_START_BIT_POSITION = 60; uint256 internal constant BORROWABLE_IN_ISOLATION_START_BIT_POSITION = 61; uint256 internal constant SILOED_BORROWING_START_BIT_POSITION = 62; uint256 internal constant FLASHLOAN_ENABLED_START_BIT_POSITION = 63; uint256 internal constant RESERVE_FACTOR_START_BIT_POSITION = 64; uint256 internal constant BORROW_CAP_START_BIT_POSITION = 80; uint256 internal constant SUPPLY_CAP_START_BIT_POSITION = 116; uint256 internal constant LIQUIDATION_PROTOCOL_FEE_START_BIT_POSITION = 152; //@notice there is an unoccupied hole of 8 bits from 168 to 176 left from pre 3.2 eModeCategory uint256 internal constant UNBACKED_MINT_CAP_START_BIT_POSITION = 176; uint256 internal constant DEBT_CEILING_START_BIT_POSITION = 212; uint256 internal constant VIRTUAL_ACC_START_BIT_POSITION = 252; uint256 internal constant MAX_VALID_LTV = 65535; uint256 internal constant MAX_VALID_LIQUIDATION_THRESHOLD = 65535; uint256 internal constant MAX_VALID_LIQUIDATION_BONUS = 65535; uint256 internal constant MAX_VALID_DECIMALS = 255; uint256 internal constant MAX_VALID_RESERVE_FACTOR = 65535; uint256 internal constant MAX_VALID_BORROW_CAP = 68719476735; uint256 internal constant MAX_VALID_SUPPLY_CAP = 68719476735; uint256 internal constant MAX_VALID_LIQUIDATION_PROTOCOL_FEE = 65535; uint256 internal constant MAX_VALID_UNBACKED_MINT_CAP = 68719476735; uint256 internal constant MAX_VALID_DEBT_CEILING = 1099511627775; uint256 public constant DEBT_CEILING_DECIMALS = 2; uint16 public constant MAX_RESERVES_COUNT = 128; /** * @notice Sets the Loan to Value of the reserve * @param self The reserve configuration * @param ltv The new ltv */ function setLtv(DataTypes.ReserveConfigurationMap memory self, uint256 ltv) internal pure { require(ltv <= MAX_VALID_LTV, Errors.INVALID_LTV); self.data = (self.data & ~LTV_MASK) | ltv; } /** * @notice Gets the Loan to Value of the reserve * @param self The reserve configuration * @return The loan to value */ function getLtv(DataTypes.ReserveConfigurationMap memory self) internal pure returns (uint256) { return self.data & LTV_MASK; } /** * @notice Sets the liquidation threshold of the reserve * @param self The reserve configuration * @param threshold The new liquidation threshold */ function setLiquidationThreshold( DataTypes.ReserveConfigurationMap memory self, uint256 threshold ) internal pure { require(threshold <= MAX_VALID_LIQUIDATION_THRESHOLD, Errors.INVALID_LIQ_THRESHOLD); self.data = (self.data & ~LIQUIDATION_THRESHOLD_MASK) | (threshold << LIQUIDATION_THRESHOLD_START_BIT_POSITION); } /** * @notice Gets the liquidation threshold of the reserve * @param self The reserve configuration * @return The liquidation threshold */ function getLiquidationThreshold( DataTypes.ReserveConfigurationMap memory self ) internal pure returns (uint256) { return (self.data & LIQUIDATION_THRESHOLD_MASK) >> LIQUIDATION_THRESHOLD_START_BIT_POSITION; } /** * @notice Sets the liquidation bonus of the reserve * @param self The reserve configuration * @param bonus The new liquidation bonus */ function setLiquidationBonus( DataTypes.ReserveConfigurationMap memory self, uint256 bonus ) internal pure { require(bonus <= MAX_VALID_LIQUIDATION_BONUS, Errors.INVALID_LIQ_BONUS); self.data = (self.data & ~LIQUIDATION_BONUS_MASK) | (bonus << LIQUIDATION_BONUS_START_BIT_POSITION); } /** * @notice Gets the liquidation bonus of the reserve * @param self The reserve configuration * @return The liquidation bonus */ function getLiquidationBonus( DataTypes.ReserveConfigurationMap memory self ) internal pure returns (uint256) { return (self.data & LIQUIDATION_BONUS_MASK) >> LIQUIDATION_BONUS_START_BIT_POSITION; } /** * @notice Sets the decimals of the underlying asset of the reserve * @param self The reserve configuration * @param decimals The decimals */ function setDecimals( DataTypes.ReserveConfigurationMap memory self, uint256 decimals ) internal pure { require(decimals <= MAX_VALID_DECIMALS, Errors.INVALID_DECIMALS); self.data = (self.data & ~DECIMALS_MASK) | (decimals << RESERVE_DECIMALS_START_BIT_POSITION); } /** * @notice Gets the decimals of the underlying asset of the reserve * @param self The reserve configuration * @return The decimals of the asset */ function getDecimals( DataTypes.ReserveConfigurationMap memory self ) internal pure returns (uint256) { return (self.data & DECIMALS_MASK) >> RESERVE_DECIMALS_START_BIT_POSITION; } /** * @notice Sets the active state of the reserve * @param self The reserve configuration * @param active The active state */ function setActive(DataTypes.ReserveConfigurationMap memory self, bool active) internal pure { self.data = (self.data & ~ACTIVE_MASK) | (uint256(active ? 1 : 0) << IS_ACTIVE_START_BIT_POSITION); } /** * @notice Gets the active state of the reserve * @param self The reserve configuration * @return The active state */ function getActive(DataTypes.ReserveConfigurationMap memory self) internal pure returns (bool) { return (self.data & ACTIVE_MASK) != 0; } /** * @notice Sets the frozen state of the reserve * @param self The reserve configuration * @param frozen The frozen state */ function setFrozen(DataTypes.ReserveConfigurationMap memory self, bool frozen) internal pure { self.data = (self.data & ~FROZEN_MASK) | (uint256(frozen ? 1 : 0) << IS_FROZEN_START_BIT_POSITION); } /** * @notice Gets the frozen state of the reserve * @param self The reserve configuration * @return The frozen state */ function getFrozen(DataTypes.ReserveConfigurationMap memory self) internal pure returns (bool) { return (self.data & FROZEN_MASK) != 0; } /** * @notice Sets the paused state of the reserve * @param self The reserve configuration * @param paused The paused state */ function setPaused(DataTypes.ReserveConfigurationMap memory self, bool paused) internal pure { self.data = (self.data & ~PAUSED_MASK) | (uint256(paused ? 1 : 0) << IS_PAUSED_START_BIT_POSITION); } /** * @notice Gets the paused state of the reserve * @param self The reserve configuration * @return The paused state */ function getPaused(DataTypes.ReserveConfigurationMap memory self) internal pure returns (bool) { return (self.data & PAUSED_MASK) != 0; } /** * @notice Sets the borrowable in isolation flag for the reserve. * @dev When this flag is set to true, the asset will be borrowable against isolated collaterals and the borrowed * amount will be accumulated in the isolated collateral's total debt exposure. * @dev Only assets of the same family (eg USD stablecoins) should be borrowable in isolation mode to keep * consistency in the debt ceiling calculations. * @param self The reserve configuration * @param borrowable True if the asset is borrowable */ function setBorrowableInIsolation( DataTypes.ReserveConfigurationMap memory self, bool borrowable ) internal pure { self.data = (self.data & ~BORROWABLE_IN_ISOLATION_MASK) | (uint256(borrowable ? 1 : 0) << BORROWABLE_IN_ISOLATION_START_BIT_POSITION); } /** * @notice Gets the borrowable in isolation flag for the reserve. * @dev If the returned flag is true, the asset is borrowable against isolated collateral. Assets borrowed with * isolated collateral is accounted for in the isolated collateral's total debt exposure. * @dev Only assets of the same family (eg USD stablecoins) should be borrowable in isolation mode to keep * consistency in the debt ceiling calculations. * @param self The reserve configuration * @return The borrowable in isolation flag */ function getBorrowableInIsolation( DataTypes.ReserveConfigurationMap memory self ) internal pure returns (bool) { return (self.data & BORROWABLE_IN_ISOLATION_MASK) != 0; } /** * @notice Sets the siloed borrowing flag for the reserve. * @dev When this flag is set to true, users borrowing this asset will not be allowed to borrow any other asset. * @param self The reserve configuration * @param siloed True if the asset is siloed */ function setSiloedBorrowing( DataTypes.ReserveConfigurationMap memory self, bool siloed ) internal pure { self.data = (self.data & ~SILOED_BORROWING_MASK) | (uint256(siloed ? 1 : 0) << SILOED_BORROWING_START_BIT_POSITION); } /** * @notice Gets the siloed borrowing flag for the reserve. * @dev When this flag is set to true, users borrowing this asset will not be allowed to borrow any other asset. * @param self The reserve configuration * @return The siloed borrowing flag */ function getSiloedBorrowing( DataTypes.ReserveConfigurationMap memory self ) internal pure returns (bool) { return (self.data & SILOED_BORROWING_MASK) != 0; } /** * @notice Enables or disables borrowing on the reserve * @param self The reserve configuration * @param enabled True if the borrowing needs to be enabled, false otherwise */ function setBorrowingEnabled( DataTypes.ReserveConfigurationMap memory self, bool enabled ) internal pure { self.data = (self.data & ~BORROWING_MASK) | (uint256(enabled ? 1 : 0) << BORROWING_ENABLED_START_BIT_POSITION); } /** * @notice Gets the borrowing state of the reserve * @param self The reserve configuration * @return The borrowing state */ function getBorrowingEnabled( DataTypes.ReserveConfigurationMap memory self ) internal pure returns (bool) { return (self.data & BORROWING_MASK) != 0; } /** * @notice Sets the reserve factor of the reserve * @param self The reserve configuration * @param reserveFactor The reserve factor */ function setReserveFactor( DataTypes.ReserveConfigurationMap memory self, uint256 reserveFactor ) internal pure { require(reserveFactor <= MAX_VALID_RESERVE_FACTOR, Errors.INVALID_RESERVE_FACTOR); self.data = (self.data & ~RESERVE_FACTOR_MASK) | (reserveFactor << RESERVE_FACTOR_START_BIT_POSITION); } /** * @notice Gets the reserve factor of the reserve * @param self The reserve configuration * @return The reserve factor */ function getReserveFactor( DataTypes.ReserveConfigurationMap memory self ) internal pure returns (uint256) { return (self.data & RESERVE_FACTOR_MASK) >> RESERVE_FACTOR_START_BIT_POSITION; } /** * @notice Sets the borrow cap of the reserve * @param self The reserve configuration * @param borrowCap The borrow cap */ function setBorrowCap( DataTypes.ReserveConfigurationMap memory self, uint256 borrowCap ) internal pure { require(borrowCap <= MAX_VALID_BORROW_CAP, Errors.INVALID_BORROW_CAP); self.data = (self.data & ~BORROW_CAP_MASK) | (borrowCap << BORROW_CAP_START_BIT_POSITION); } /** * @notice Gets the borrow cap of the reserve * @param self The reserve configuration * @return The borrow cap */ function getBorrowCap( DataTypes.ReserveConfigurationMap memory self ) internal pure returns (uint256) { return (self.data & BORROW_CAP_MASK) >> BORROW_CAP_START_BIT_POSITION; } /** * @notice Sets the supply cap of the reserve * @param self The reserve configuration * @param supplyCap The supply cap */ function setSupplyCap( DataTypes.ReserveConfigurationMap memory self, uint256 supplyCap ) internal pure { require(supplyCap <= MAX_VALID_SUPPLY_CAP, Errors.INVALID_SUPPLY_CAP); self.data = (self.data & ~SUPPLY_CAP_MASK) | (supplyCap << SUPPLY_CAP_START_BIT_POSITION); } /** * @notice Gets the supply cap of the reserve * @param self The reserve configuration * @return The supply cap */ function getSupplyCap( DataTypes.ReserveConfigurationMap memory self ) internal pure returns (uint256) { return (self.data & SUPPLY_CAP_MASK) >> SUPPLY_CAP_START_BIT_POSITION; } /** * @notice Sets the debt ceiling in isolation mode for the asset * @param self The reserve configuration * @param ceiling The maximum debt ceiling for the asset */ function setDebtCeiling( DataTypes.ReserveConfigurationMap memory self, uint256 ceiling ) internal pure { require(ceiling <= MAX_VALID_DEBT_CEILING, Errors.INVALID_DEBT_CEILING); self.data = (self.data & ~DEBT_CEILING_MASK) | (ceiling << DEBT_CEILING_START_BIT_POSITION); } /** * @notice Gets the debt ceiling for the asset if the asset is in isolation mode * @param self The reserve configuration * @return The debt ceiling (0 = isolation mode disabled) */ function getDebtCeiling( DataTypes.ReserveConfigurationMap memory self ) internal pure returns (uint256) { return (self.data & DEBT_CEILING_MASK) >> DEBT_CEILING_START_BIT_POSITION; } /** * @notice Sets the liquidation protocol fee of the reserve * @param self The reserve configuration * @param liquidationProtocolFee The liquidation protocol fee */ function setLiquidationProtocolFee( DataTypes.ReserveConfigurationMap memory self, uint256 liquidationProtocolFee ) internal pure { require( liquidationProtocolFee <= MAX_VALID_LIQUIDATION_PROTOCOL_FEE, Errors.INVALID_LIQUIDATION_PROTOCOL_FEE ); self.data = (self.data & ~LIQUIDATION_PROTOCOL_FEE_MASK) | (liquidationProtocolFee << LIQUIDATION_PROTOCOL_FEE_START_BIT_POSITION); } /** * @dev Gets the liquidation protocol fee * @param self The reserve configuration * @return The liquidation protocol fee */ function getLiquidationProtocolFee( DataTypes.ReserveConfigurationMap memory self ) internal pure returns (uint256) { return (self.data & LIQUIDATION_PROTOCOL_FEE_MASK) >> LIQUIDATION_PROTOCOL_FEE_START_BIT_POSITION; } /** * @notice Sets the unbacked mint cap of the reserve * @param self The reserve configuration * @param unbackedMintCap The unbacked mint cap */ function setUnbackedMintCap( DataTypes.ReserveConfigurationMap memory self, uint256 unbackedMintCap ) internal pure { require(unbackedMintCap <= MAX_VALID_UNBACKED_MINT_CAP, Errors.INVALID_UNBACKED_MINT_CAP); self.data = (self.data & ~UNBACKED_MINT_CAP_MASK) | (unbackedMintCap << UNBACKED_MINT_CAP_START_BIT_POSITION); } /** * @dev Gets the unbacked mint cap of the reserve * @param self The reserve configuration * @return The unbacked mint cap */ function getUnbackedMintCap( DataTypes.ReserveConfigurationMap memory self ) internal pure returns (uint256) { return (self.data & UNBACKED_MINT_CAP_MASK) >> UNBACKED_MINT_CAP_START_BIT_POSITION; } /** * @notice Sets the flashloanable flag for the reserve * @param self The reserve configuration * @param flashLoanEnabled True if the asset is flashloanable, false otherwise */ function setFlashLoanEnabled( DataTypes.ReserveConfigurationMap memory self, bool flashLoanEnabled ) internal pure { self.data = (self.data & ~FLASHLOAN_ENABLED_MASK) | (uint256(flashLoanEnabled ? 1 : 0) << FLASHLOAN_ENABLED_START_BIT_POSITION); } /** * @notice Gets the flashloanable flag for the reserve * @param self The reserve configuration * @return The flashloanable flag */ function getFlashLoanEnabled( DataTypes.ReserveConfigurationMap memory self ) internal pure returns (bool) { return (self.data & FLASHLOAN_ENABLED_MASK) != 0; } /** * @notice Sets the virtual account active/not state of the reserve * @param self The reserve configuration * @param active The active state */ function setVirtualAccActive( DataTypes.ReserveConfigurationMap memory self, bool active ) internal pure { self.data = (self.data & ~VIRTUAL_ACC_ACTIVE_MASK) | (uint256(active ? 1 : 0) << VIRTUAL_ACC_START_BIT_POSITION); } /** * @notice Gets the virtual account active/not state of the reserve * @dev The state should be true for all normal assets and should be false * Virtual accounting being disabled means that the asset: * - is GHO * - can never be supplied * - the interest rate strategy is not influenced by the virtual balance * @param self The reserve configuration * @return The active state */ function getIsVirtualAccActive( DataTypes.ReserveConfigurationMap memory self ) internal pure returns (bool) { return (self.data & VIRTUAL_ACC_ACTIVE_MASK) != 0; } /** * @notice Gets the configuration flags of the reserve * @param self The reserve configuration * @return The state flag representing active * @return The state flag representing frozen * @return The state flag representing borrowing enabled * @return The state flag representing paused */ function getFlags( DataTypes.ReserveConfigurationMap memory self ) internal pure returns (bool, bool, bool, bool) { uint256 dataLocal = self.data; return ( (dataLocal & ACTIVE_MASK) != 0, (dataLocal & FROZEN_MASK) != 0, (dataLocal & BORROWING_MASK) != 0, (dataLocal & PAUSED_MASK) != 0 ); } /** * @notice Gets the configuration parameters of the reserve from storage * @param self The reserve configuration * @return The state param representing ltv * @return The state param representing liquidation threshold * @return The state param representing liquidation bonus * @return The state param representing reserve decimals * @return The state param representing reserve factor */ function getParams( DataTypes.ReserveConfigurationMap memory self ) internal pure returns (uint256, uint256, uint256, uint256, uint256) { uint256 dataLocal = self.data; return ( dataLocal & LTV_MASK, (dataLocal & LIQUIDATION_THRESHOLD_MASK) >> LIQUIDATION_THRESHOLD_START_BIT_POSITION, (dataLocal & LIQUIDATION_BONUS_MASK) >> LIQUIDATION_BONUS_START_BIT_POSITION, (dataLocal & DECIMALS_MASK) >> RESERVE_DECIMALS_START_BIT_POSITION, (dataLocal & RESERVE_FACTOR_MASK) >> RESERVE_FACTOR_START_BIT_POSITION ); } /** * @notice Gets the caps parameters of the reserve from storage * @param self The reserve configuration * @return The state param representing borrow cap * @return The state param representing supply cap. */ function getCaps( DataTypes.ReserveConfigurationMap memory self ) internal pure returns (uint256, uint256) { uint256 dataLocal = self.data; return ( (dataLocal & BORROW_CAP_MASK) >> BORROW_CAP_START_BIT_POSITION, (dataLocal & SUPPLY_CAP_MASK) >> SUPPLY_CAP_START_BIT_POSITION ); } }
// SPDX-License-Identifier: MIT 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 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 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_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 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_OR_LTV_ZERO = '62'; // 'User is in isolation mode or ltv is zero' 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 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 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 string public constant INVALID_MAX_RATE = '92'; // The expect maximum borrow rate is invalid string public constant WITHDRAW_TO_ATOKEN = '93'; // Withdrawing to the aToken is not allowed string public constant SUPPLY_TO_ATOKEN = '94'; // Supplying to the aToken is not allowed string public constant SLOPE_2_MUST_BE_GTE_SLOPE_1 = '95'; // Variable interest rate slope 2 can not be lower than slope 1 string public constant CALLER_NOT_RISK_OR_POOL_OR_EMERGENCY_ADMIN = '96'; // 'The caller of the function is not a risk, pool or emergency admin' string public constant LIQUIDATION_GRACE_SENTINEL_CHECK_FAILED = '97'; // 'Liquidation grace sentinel validation failed' string public constant INVALID_GRACE_PERIOD = '98'; // Grace period above a valid range string public constant INVALID_FREEZE_STATE = '99'; // Reserve is already in the passed freeze state string public constant NOT_BORROWABLE_IN_EMODE = '100'; // Asset not borrowable in eMode string public constant CALLER_NOT_UMBRELLA = '101'; // The caller of the function is not the umbrella contract string public constant RESERVE_NOT_IN_DEFICIT = '102'; // The reserve is not in deficit string public constant MUST_NOT_LEAVE_DUST = '103'; // Below a certain threshold liquidators need to take the full position string public constant USER_CANNOT_HAVE_DEBT = '104'; // Thrown when a user tries to interact with a method that requires a position without debt }
// SPDX-License-Identifier: BUSL-1.1 pragma solidity ^0.8.0; /** * @title PercentageMath library * @author Aave * @notice Provides functions to perform percentage calculations * @dev Percentages are defined by default with 2 decimals of precision (100.00). The precision is indicated by PERCENTAGE_FACTOR * @dev Operations are rounded. If a value is >=.5, will be rounded up, otherwise rounded down. */ library PercentageMath { // Maximum percentage factor (100.00%) uint256 internal constant PERCENTAGE_FACTOR = 1e4; // Half percentage factor (50.00%) uint256 internal constant HALF_PERCENTAGE_FACTOR = 0.5e4; /** * @notice Executes a percentage multiplication * @dev assembly optimized for improved gas savings, see https://twitter.com/transmissions11/status/1451131036377571328 * @param value The value of which the percentage needs to be calculated * @param percentage The percentage of the value to be calculated * @return result value percentmul percentage */ function percentMul(uint256 value, uint256 percentage) internal pure returns (uint256 result) { // to avoid overflow, value <= (type(uint256).max - HALF_PERCENTAGE_FACTOR) / percentage assembly { if iszero( or( iszero(percentage), iszero(gt(value, div(sub(not(0), HALF_PERCENTAGE_FACTOR), percentage))) ) ) { revert(0, 0) } result := div(add(mul(value, percentage), HALF_PERCENTAGE_FACTOR), PERCENTAGE_FACTOR) } } /** * @notice Executes a percentage division * @dev assembly optimized for improved gas savings, see https://twitter.com/transmissions11/status/1451131036377571328 * @param value The value of which the percentage needs to be calculated * @param percentage The percentage of the value to be calculated * @return result value percentdiv percentage */ function percentDiv(uint256 value, uint256 percentage) internal pure returns (uint256 result) { // to avoid overflow, value <= (type(uint256).max - halfPercentage) / PERCENTAGE_FACTOR assembly { if or( iszero(percentage), iszero(iszero(gt(value, div(sub(not(0), div(percentage, 2)), PERCENTAGE_FACTOR)))) ) { revert(0, 0) } result := div(add(mul(value, PERCENTAGE_FACTOR), div(percentage, 2)), percentage) } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; library ConfiguratorInputTypes { struct InitReserveInput { address aTokenImpl; address variableDebtTokenImpl; bool useVirtualBalance; address interestRateStrategyAddress; address underlyingAsset; address treasury; address incentivesController; string aTokenName; string aTokenSymbol; string variableDebtTokenName; string variableDebtTokenSymbol; bytes params; bytes interestRateData; } struct UpdateATokenInput { address asset; address treasury; address incentivesController; string name; string symbol; address implementation; bytes params; } struct UpdateDebtTokenInput { address asset; address incentivesController; string name; string symbol; address implementation; bytes params; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; library DataTypes { /** * This exists specifically to maintain the `getReserveData()` interface, since the new, internal * `ReserveData` struct includes the reserve's `virtualUnderlyingBalance`. */ struct ReserveDataLegacy { //stores the reserve configuration ReserveConfigurationMap configuration; //the liquidity index. Expressed in ray uint128 liquidityIndex; //the current supply rate. Expressed in ray uint128 currentLiquidityRate; //variable borrow index. Expressed in ray uint128 variableBorrowIndex; //the current variable borrow rate. Expressed in ray uint128 currentVariableBorrowRate; // DEPRECATED on v3.2.0 uint128 currentStableBorrowRate; //timestamp of last update uint40 lastUpdateTimestamp; //the id of the reserve. Represents the position in the list of the active reserves uint16 id; //aToken address address aTokenAddress; // DEPRECATED on v3.2.0 address stableDebtTokenAddress; //variableDebtToken address address variableDebtTokenAddress; //address of the interest rate strategy address interestRateStrategyAddress; //the current treasury balance, scaled uint128 accruedToTreasury; //the outstanding unbacked aTokens minted through the bridging feature uint128 unbacked; //the outstanding debt borrowed against this asset in isolation mode uint128 isolationModeTotalDebt; } struct ReserveData { //stores the reserve configuration ReserveConfigurationMap configuration; //the liquidity index. Expressed in ray uint128 liquidityIndex; //the current supply rate. Expressed in ray uint128 currentLiquidityRate; //variable borrow index. Expressed in ray uint128 variableBorrowIndex; //the current variable borrow rate. Expressed in ray uint128 currentVariableBorrowRate; /// @notice reused `__deprecatedStableBorrowRate` storage from pre 3.2 // the current accumulate deficit in underlying tokens uint128 deficit; //timestamp of last update uint40 lastUpdateTimestamp; //the id of the reserve. Represents the position in the list of the active reserves uint16 id; //timestamp until when liquidations are not allowed on the reserve, if set to past liquidations will be allowed uint40 liquidationGracePeriodUntil; //aToken address address aTokenAddress; // DEPRECATED on v3.2.0 address __deprecatedStableDebtTokenAddress; //variableDebtToken address address variableDebtTokenAddress; //address of the interest rate strategy address interestRateStrategyAddress; //the current treasury balance, scaled uint128 accruedToTreasury; //the outstanding unbacked aTokens minted through the bridging feature uint128 unbacked; //the outstanding debt borrowed against this asset in isolation mode uint128 isolationModeTotalDebt; //the amount of underlying accounted for by the protocol uint128 virtualUnderlyingBalance; } struct ReserveConfigurationMap { //bit 0-15: LTV //bit 16-31: Liq. threshold //bit 32-47: Liq. bonus //bit 48-55: Decimals //bit 56: reserve is active //bit 57: reserve is frozen //bit 58: borrowing is enabled //bit 59: DEPRECATED: stable rate borrowing enabled //bit 60: asset is paused //bit 61: borrowing in isolation mode is enabled //bit 62: siloed borrowing enabled //bit 63: flashloaning enabled //bit 64-79: reserve factor //bit 80-115: borrow cap in whole tokens, borrowCap == 0 => no cap //bit 116-151: supply cap in whole tokens, supplyCap == 0 => no cap //bit 152-167: liquidation protocol fee //bit 168-175: DEPRECATED: eMode category //bit 176-211: unbacked mint cap in whole tokens, unbackedMintCap == 0 => minting disabled //bit 212-251: debt ceiling for isolation mode with (ReserveConfiguration::DEBT_CEILING_DECIMALS) decimals //bit 252: virtual accounting is enabled for the reserve //bit 253-255 unused uint256 data; } struct UserConfigurationMap { /** * @dev Bitmap of the users collaterals and borrows. It is divided in pairs of bits, one pair per asset. * The first bit indicates if an asset is used as collateral by the user, the second whether an * asset is borrowed by the user. */ uint256 data; } // DEPRECATED: kept for backwards compatibility, might be removed in a future version struct EModeCategoryLegacy { // each eMode category has a custom ltv and liquidation threshold uint16 ltv; uint16 liquidationThreshold; uint16 liquidationBonus; // DEPRECATED address priceSource; string label; } struct CollateralConfig { uint16 ltv; uint16 liquidationThreshold; uint16 liquidationBonus; } struct EModeCategoryBaseConfiguration { uint16 ltv; uint16 liquidationThreshold; uint16 liquidationBonus; string label; } struct EModeCategory { // each eMode category has a custom ltv and liquidation threshold uint16 ltv; uint16 liquidationThreshold; uint16 liquidationBonus; uint128 collateralBitmap; string label; uint128 borrowableBitmap; } enum InterestRateMode { NONE, __DEPRECATED, VARIABLE } struct ReserveCache { uint256 currScaledVariableDebt; uint256 nextScaledVariableDebt; uint256 currLiquidityIndex; uint256 nextLiquidityIndex; uint256 currVariableBorrowIndex; uint256 nextVariableBorrowIndex; uint256 currLiquidityRate; uint256 currVariableBorrowRate; uint256 reserveFactor; ReserveConfigurationMap reserveConfiguration; address aTokenAddress; address variableDebtTokenAddress; uint40 reserveLastUpdateTimestamp; } struct ExecuteLiquidationCallParams { uint256 reservesCount; uint256 debtToCover; address collateralAsset; address debtAsset; address user; bool receiveAToken; address priceOracle; uint8 userEModeCategory; address priceOracleSentinel; } struct ExecuteSupplyParams { address asset; uint256 amount; address onBehalfOf; uint16 referralCode; } struct ExecuteBorrowParams { address asset; address user; address onBehalfOf; uint256 amount; InterestRateMode interestRateMode; uint16 referralCode; bool releaseUnderlying; uint256 reservesCount; address oracle; uint8 userEModeCategory; address priceOracleSentinel; } struct ExecuteRepayParams { address asset; uint256 amount; InterestRateMode interestRateMode; address onBehalfOf; bool useATokens; } struct ExecuteWithdrawParams { address asset; uint256 amount; address to; uint256 reservesCount; address oracle; uint8 userEModeCategory; } struct ExecuteEliminateDeficitParams { address asset; uint256 amount; } struct ExecuteSetUserEModeParams { uint256 reservesCount; address oracle; uint8 categoryId; } struct FinalizeTransferParams { address asset; address from; address to; uint256 amount; uint256 balanceFromBefore; uint256 balanceToBefore; uint256 reservesCount; address oracle; uint8 fromEModeCategory; } struct FlashloanParams { address receiverAddress; address[] assets; uint256[] amounts; uint256[] interestRateModes; address onBehalfOf; bytes params; uint16 referralCode; uint256 flashLoanPremiumToProtocol; uint256 flashLoanPremiumTotal; uint256 reservesCount; address addressesProvider; address pool; uint8 userEModeCategory; bool isAuthorizedFlashBorrower; } struct FlashloanSimpleParams { address receiverAddress; address asset; uint256 amount; bytes params; uint16 referralCode; uint256 flashLoanPremiumToProtocol; uint256 flashLoanPremiumTotal; } struct FlashLoanRepaymentParams { uint256 amount; uint256 totalPremium; uint256 flashLoanPremiumToProtocol; address asset; address receiverAddress; uint16 referralCode; } struct CalculateUserAccountDataParams { UserConfigurationMap userConfig; uint256 reservesCount; address user; address oracle; uint8 userEModeCategory; } struct ValidateBorrowParams { ReserveCache reserveCache; UserConfigurationMap userConfig; address asset; address userAddress; uint256 amount; InterestRateMode interestRateMode; uint256 reservesCount; address oracle; uint8 userEModeCategory; address priceOracleSentinel; bool isolationModeActive; address isolationModeCollateralAddress; uint256 isolationModeDebtCeiling; } struct ValidateLiquidationCallParams { ReserveCache debtReserveCache; uint256 totalDebt; uint256 healthFactor; address priceOracleSentinel; } struct CalculateInterestRatesParams { uint256 unbacked; uint256 liquidityAdded; uint256 liquidityTaken; uint256 totalDebt; uint256 reserveFactor; address reserve; bool usingVirtualBalance; uint256 virtualUnderlyingBalance; } struct InitReserveParams { address asset; address aTokenAddress; address variableDebtAddress; address interestRateStrategyAddress; uint16 reservesCount; uint16 maxNumberReserves; } }
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Contract Security Audit
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IAaveV3ConfigEngine.EngineConstants","name":"engineConstants","type":"tuple"},{"components":[{"internalType":"address","name":"listingEngine","type":"address"},{"internalType":"address","name":"eModeEngine","type":"address"},{"internalType":"address","name":"borrowEngine","type":"address"},{"internalType":"address","name":"collateralEngine","type":"address"},{"internalType":"address","name":"priceFeedEngine","type":"address"},{"internalType":"address","name":"rateEngine","type":"address"},{"internalType":"address","name":"capsEngine","type":"address"}],"internalType":"struct IAaveV3ConfigEngine.EngineLibraries","name":"engineLibraries","type":"tuple"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"target","type":"address"}],"name":"AddressEmptyCode","type":"error"},{"inputs":[],"name":"FailedCall","type":"error"},{"inputs":[],"name":"ATOKEN_IMPL","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"BORROW_ENGINE","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"CAPS_ENGINE","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"COLLATERAL_ENGINE","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"COLLECTOR","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DEFAULT_INTEREST_RATE_STRATEGY","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"EMODE_ENGINE","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"LISTING_ENGINE","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ORACLE","outputs":[{"internalType":"contract IAaveOracle","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"POOL","outputs":[{"internalType":"contract IPool","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"POOL_CONFIGURATOR","outputs":[{"internalType":"contract IPoolConfigurator","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PRICE_FEED_ENGINE","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"RATE_ENGINE","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"REWARDS_CONTROLLER","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"VTOKEN_IMPL","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"string","name":"networkName","type":"string"},{"internalType":"string","name":"networkAbbreviation","type":"string"}],"internalType":"struct IAaveV3ConfigEngine.PoolContext","name":"context","type":"tuple"},{"components":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"string","name":"assetSymbol","type":"string"},{"internalType":"address","name":"priceFeed","type":"address"},{"components":[{"internalType":"uint256","name":"optimalUsageRatio","type":"uint256"},{"internalType":"uint256","name":"baseVariableBorrowRate","type":"uint256"},{"internalType":"uint256","name":"variableRateSlope1","type":"uint256"},{"internalType":"uint256","name":"variableRateSlope2","type":"uint256"}],"internalType":"struct IAaveV3ConfigEngine.InterestRateInputData","name":"rateStrategyParams","type":"tuple"},{"internalType":"uint256","name":"enabledToBorrow","type":"uint256"},{"internalType":"uint256","name":"borrowableInIsolation","type":"uint256"},{"internalType":"uint256","name":"withSiloedBorrowing","type":"uint256"},{"internalType":"uint256","name":"flashloanable","type":"uint256"},{"internalType":"uint256","name":"ltv","type":"uint256"},{"internalType":"uint256","name":"liqThreshold","type":"uint256"},{"internalType":"uint256","name":"liqBonus","type":"uint256"},{"internalType":"uint256","name":"reserveFactor","type":"uint256"},{"internalType":"uint256","name":"supplyCap","type":"uint256"},{"internalType":"uint256","name":"borrowCap","type":"uint256"},{"internalType":"uint256","name":"debtCeiling","type":"uint256"},{"internalType":"uint256","name":"liqProtocolFee","type":"uint256"}],"internalType":"struct IAaveV3ConfigEngine.Listing[]","name":"listings","type":"tuple[]"}],"name":"listAssets","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"string","name":"networkName","type":"string"},{"internalType":"string","name":"networkAbbreviation","type":"string"}],"internalType":"struct IAaveV3ConfigEngine.PoolContext","name":"context","type":"tuple"},{"components":[{"components":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"string","name":"assetSymbol","type":"string"},{"internalType":"address","name":"priceFeed","type":"address"},{"components":[{"internalType":"uint256","name":"optimalUsageRatio","type":"uint256"},{"internalType":"uint256","name":"baseVariableBorrowRate","type":"uint256"},{"internalType":"uint256","name":"variableRateSlope1","type":"uint256"},{"internalType":"uint256","name":"variableRateSlope2","type":"uint256"}],"internalType":"struct IAaveV3ConfigEngine.InterestRateInputData","name":"rateStrategyParams","type":"tuple"},{"internalType":"uint256","name":"enabledToBorrow","type":"uint256"},{"internalType":"uint256","name":"borrowableInIsolation","type":"uint256"},{"internalType":"uint256","name":"withSiloedBorrowing","type":"uint256"},{"internalType":"uint256","name":"flashloanable","type":"uint256"},{"internalType":"uint256","name":"ltv","type":"uint256"},{"internalType":"uint256","name":"liqThreshold","type":"uint256"},{"internalType":"uint256","name":"liqBonus","type":"uint256"},{"internalType":"uint256","name":"reserveFactor","type":"uint256"},{"internalType":"uint256","name":"supplyCap","type":"uint256"},{"internalType":"uint256","name":"borrowCap","type":"uint256"},{"internalType":"uint256","name":"debtCeiling","type":"uint256"},{"internalType":"uint256","name":"liqProtocolFee","type":"uint256"}],"internalType":"struct IAaveV3ConfigEngine.Listing","name":"base","type":"tuple"},{"components":[{"internalType":"address","name":"aToken","type":"address"},{"internalType":"address","name":"vToken","type":"address"}],"internalType":"struct IAaveV3ConfigEngine.TokenImplementations","name":"implementations","type":"tuple"}],"internalType":"struct IAaveV3ConfigEngine.ListingWithCustomImpl[]","name":"listings","type":"tuple[]"}],"name":"listAssetsCustom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"uint8","name":"eModeCategory","type":"uint8"},{"internalType":"uint256","name":"borrowable","type":"uint256"},{"internalType":"uint256","name":"collateral","type":"uint256"}],"internalType":"struct IAaveV3ConfigEngine.AssetEModeUpdate[]","name":"updates","type":"tuple[]"}],"name":"updateAssetsEMode","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"uint256","name":"enabledToBorrow","type":"uint256"},{"internalType":"uint256","name":"flashloanable","type":"uint256"},{"internalType":"uint256","name":"borrowableInIsolation","type":"uint256"},{"internalType":"uint256","name":"withSiloedBorrowing","type":"uint256"},{"internalType":"uint256","name":"reserveFactor","type":"uint256"}],"internalType":"struct IAaveV3ConfigEngine.BorrowUpdate[]","name":"updates","type":"tuple[]"}],"name":"updateBorrowSide","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"uint256","name":"supplyCap","type":"uint256"},{"internalType":"uint256","name":"borrowCap","type":"uint256"}],"internalType":"struct IAaveV3ConfigEngine.CapsUpdate[]","name":"updates","type":"tuple[]"}],"name":"updateCaps","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"uint256","name":"ltv","type":"uint256"},{"internalType":"uint256","name":"liqThreshold","type":"uint256"},{"internalType":"uint256","name":"liqBonus","type":"uint256"},{"internalType":"uint256","name":"debtCeiling","type":"uint256"},{"internalType":"uint256","name":"liqProtocolFee","type":"uint256"}],"internalType":"struct IAaveV3ConfigEngine.CollateralUpdate[]","name":"updates","type":"tuple[]"}],"name":"updateCollateralSide","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"uint8","name":"eModeCategory","type":"uint8"},{"internalType":"uint256","name":"ltv","type":"uint256"},{"internalType":"uint256","name":"liqThreshold","type":"uint256"},{"internalType":"uint256","name":"liqBonus","type":"uint256"},{"internalType":"string","name":"label","type":"string"}],"internalType":"struct IAaveV3ConfigEngine.EModeCategoryUpdate[]","name":"updates","type":"tuple[]"}],"name":"updateEModeCategories","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"address","name":"priceFeed","type":"address"}],"internalType":"struct IAaveV3ConfigEngine.PriceFeedUpdate[]","name":"updates","type":"tuple[]"}],"name":"updatePriceFeeds","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"asset","type":"address"},{"components":[{"internalType":"uint256","name":"optimalUsageRatio","type":"uint256"},{"internalType":"uint256","name":"baseVariableBorrowRate","type":"uint256"},{"internalType":"uint256","name":"variableRateSlope1","type":"uint256"},{"internalType":"uint256","name":"variableRateSlope2","type":"uint256"}],"internalType":"struct IAaveV3ConfigEngine.InterestRateInputData","name":"params","type":"tuple"}],"internalType":"struct IAaveV3ConfigEngine.RateStrategyUpdate[]","name":"updates","type":"tuple[]"}],"name":"updateRateStrategies","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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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] : aTokenImpl (address): 0x83E0E6095a318446b313f7D27e0c33Ed1e9c0213
Arg [1] : vTokenImpl (address): 0x0AfF487736AAF982A90Fe996Afa43Dfa05646C0c
Arg [2] : engineConstants (tuple): System.Collections.Generic.List`1[Nethereum.ABI.FunctionEncoding.ParameterOutput]
Arg [3] : engineLibraries (tuple): System.Collections.Generic.List`1[Nethereum.ABI.FunctionEncoding.ParameterOutput]
-----Encoded View---------------
15 Constructor Arguments found :
Arg [0] : 00000000000000000000000083e0e6095a318446b313f7d27e0c33ed1e9c0213
Arg [1] : 0000000000000000000000000aff487736aaf982a90fe996afa43dfa05646c0c
Arg [2] : 0000000000000000000000002816cf15f6d2a220e789aa011d5ee4eb6c47feba
Arg [3] : 0000000000000000000000004f221e5c0b7103f7e3291e10097de6d9e3bfc02d
Arg [4] : 0000000000000000000000004758213271bfdc72224a7a8742dc865fc97756e1
Arg [5] : 000000000000000000000000d93e3ae8f69d04d484d1652ca569d4b0522414df
Arg [6] : 0000000000000000000000009138e2cadfeb23affdc0419f2912cab8f135dba9
Arg [7] : 000000000000000000000000589750ba8af186ce5b55391b0b7148cad43a1619
Arg [8] : 0000000000000000000000004e48debc1ade8011a185db7792299432d19aa017
Arg [9] : 000000000000000000000000c45e60e50b0dfbb4e3bb768eefa65245e6a3cb3b
Arg [10] : 000000000000000000000000298ee3e454275d31bdb3a2f34198b0638789586b
Arg [11] : 00000000000000000000000011c0fa8ecd3a4324c84e82765595c14e11b72e92
Arg [12] : 000000000000000000000000ec662dacfbe623f74f580c92830fab75b66f4ffc
Arg [13] : 0000000000000000000000002fb325d2551c6aac0e2da33f5cba1a84590676a7
Arg [14] : 000000000000000000000000dc9c6d5e0eaee649d25b81bcdb8f02d5f65b507d
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Multichain Portfolio | 31 Chains
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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.