Merge pull request #324 from aave/feat/flashloanable-flag

feat: flashloanable flag

Author: grothem

contracts/misc/UiPoolDataProviderV2V3.sol

@@ -137,7 +137,7 @@ contract UiPoolDataProviderV2V3 is IUiPoolDataProviderV3 {
         reserveData.stableBorrowRateEnabled
       ) = baseData.configuration.getFlagsMemory();
       reserveData.usageAsCollateralEnabled = reserveData.baseLTVasCollateral != 0;
-      
+
       InterestRates memory interestRates = getInterestRateStrategySlopes(
         DefaultReserveInterestRateStrategy(reserveData.interestRateStrategyAddress), provider, reserveData.underlyingAsset
       );
@@ -149,6 +149,7 @@ contract UiPoolDataProviderV2V3 is IUiPoolDataProviderV3 {
       reserveData.baseStableBorrowRate = interestRates.baseStableBorrowRate;
       reserveData.baseVariableBorrowRate = interestRates.baseVariableBorrowRate;
       reserveData.optimalUsageRatio = interestRates.optimalUsageRatio;
+      reserveData.flashLoanEnabled = true;
     }
 
     BaseCurrencyInfo memory baseCurrencyInfo;

contracts/misc/interfaces/IUiPoolDataProviderV3.sol

@@ -5,7 +5,7 @@ pragma experimental ABIEncoderV2;
 import {ILendingPoolAddressesProvider} from '../../interfaces/ILendingPoolAddressesProvider.sol';
 
 interface IUiPoolDataProviderV3 {
-    struct InterestRates {
+  struct InterestRates {
     uint256 variableRateSlope1;
     uint256 variableRateSlope2;
     uint256 stableRateSlope1;
@@ -57,15 +57,17 @@ interface IUiPoolDataProviderV3 {
     uint256 optimalUsageRatio;
     // v3
     bool isPaused;
+    bool isSiloedBorrowing;
     uint128 accruedToTreasury;
     uint128 unbacked;
     uint128 isolationModeTotalDebt;
+    bool flashLoanEnabled;
     //
     uint256 debtCeiling;
     uint256 debtCeilingDecimals;
     uint8 eModeCategoryId;
     uint256 borrowCap;
-    uint256 supplyCap; 
+    uint256 supplyCap;
     // eMode
     uint16 eModeLtv;
     uint16 eModeLiquidationThreshold;
@@ -100,15 +102,10 @@ interface IUiPoolDataProviderV3 {
   function getReservesData(ILendingPoolAddressesProvider provider)
     external
     view
-    returns (
-      AggregatedReserveData[] memory,
-      BaseCurrencyInfo memory
-    );
+    returns (AggregatedReserveData[] memory, BaseCurrencyInfo memory);
 
   function getUserReservesData(ILendingPoolAddressesProvider provider, address user)
     external
     view
-    returns (
-      UserReserveData[] memory, uint8
-    );
-}
+    returns (UserReserveData[] memory, uint8);
+}

hardhat.config.ts

@@ -22,7 +22,8 @@ require('dotenv').config();
 
 import '@nomiclabs/hardhat-ethers';
 import '@nomiclabs/hardhat-waffle';
-import 'temp-hardhat-etherscan';
+import '@nomiclabs/hardhat-etherscan';
+
 import 'hardhat-gas-reporter';
 import 'hardhat-typechain';
 import '@tenderly/hardhat-tenderly';
@@ -84,8 +85,16 @@ const buidlerConfig: HardhatUserConfig = {
     target: 'ethers-v5',
   },
   etherscan: {
-    apiKey: ETHERSCAN_KEY,
+    apiKey: {
+      polygonMumbai: process.env.ETHERSCAN_POLYGON_KEY || '',
+      goerli: process.env.ETHERSCAN_KEY || '',
+      fuji: process.env.ETHERSCAN_SNOWTRACE_KEY || '',
+      mainnet: process.env.ETHERSCAN_KEY || '',
+      polygon: process.env.ETHERSCAN_POLYGON_KEY || '',
+      avalanche: process.env.ETHERSCAN_SNOWTRACE_KEY || '',
+    },
   },
+
   mocha: {
     timeout: 0,
   },

helpers/constants.ts

@@ -86,7 +86,7 @@ export const chainlinkAggregatorProxy = {
   'arbitrum-rinkeby': '0x5f0423B1a6935dc5596e7A24d98532b67A0AeFd8',
   arbitrum: '0x639Fe6ab55C921f74e7fac1ee960C0B6293ba612',
   rinkeby: '0x8A753747A1Fa494EC906cE90E9f37563A8AF630e',
-  goerli: '0x9F54B624fb17d07816C5552f8AB133c21b0322cD',
+  goerli: '0xD4a33860578De61DBAbDc8BFdb98FD742fA7028e',
 };
 
 export const chainlinkEthUsdAggregatorProxy = {
@@ -100,5 +100,5 @@ export const chainlinkEthUsdAggregatorProxy = {
   'arbitrum-rinkeby': '0x5f0423B1a6935dc5596e7A24d98532b67A0AeFd8',
   arbitrum: '0x639Fe6ab55C921f74e7fac1ee960C0B6293ba612',
   rinkeby: '0x8A753747A1Fa494EC906cE90E9f37563A8AF630e',
-  goerli: '0x9F54B624fb17d07816C5552f8AB133c21b0322cD',
+  goerli: '0xD4a33860578De61DBAbDc8BFdb98FD742fA7028e',
 };