- Temporary removed nonReentrant from LendingPool, until this fix on ReentrancyGuard is released to prod https://github.com/OpenZeppelin/openzeppelin-contracts/pull/2171.

contracts/lendingpool/LendingPool.sol

@@ -300,7 +300,6 @@ contract LendingPool is ReentrancyGuard, VersionedInitializable {
     function deposit(address _reserve, uint256 _amount, uint16 _referralCode)
         external
         payable
-        nonReentrant
         onlyActiveReserve(_reserve)
         onlyUnfreezedReserve(_reserve)
         onlyAmountGreaterThanZero(_amount)
@@ -336,7 +335,6 @@ contract LendingPool is ReentrancyGuard, VersionedInitializable {
         uint256 _aTokenBalanceAfterRedeem
     )
         external
-        nonReentrant
         onlyOverlyingAToken(_reserve)
         onlyActiveReserve(_reserve)
         onlyAmountGreaterThanZero(_amount)
@@ -393,7 +391,6 @@ contract LendingPool is ReentrancyGuard, VersionedInitializable {
         uint16 _referralCode
     )
         external
-        nonReentrant
         onlyActiveReserve(_reserve)
         onlyUnfreezedReserve(_reserve)
         onlyAmountGreaterThanZero(_amount)
@@ -534,7 +531,6 @@ contract LendingPool is ReentrancyGuard, VersionedInitializable {
     function repay(address _reserve, uint256 _amount, address payable _onBehalfOf)
         external
         payable
-        nonReentrant
         onlyActiveReserve(_reserve)
         onlyAmountGreaterThanZero(_amount)
     {
@@ -648,7 +644,6 @@ contract LendingPool is ReentrancyGuard, VersionedInitializable {
     **/
     function swapBorrowRateMode(address _reserve)
         external
-        nonReentrant
         onlyActiveReserve(_reserve)
         onlyUnfreezedReserve(_reserve)
     {
@@ -709,7 +704,6 @@ contract LendingPool is ReentrancyGuard, VersionedInitializable {
     **/
     function rebalanceStableBorrowRate(address _reserve, address _user)
         external
-        nonReentrant
         onlyActiveReserve(_reserve)
     {
         (, uint256 compoundedBalance, uint256 borrowBalanceIncrease) = core.getUserBorrowBalances(
@@ -772,7 +766,6 @@ contract LendingPool is ReentrancyGuard, VersionedInitializable {
     **/
     function setUserUseReserveAsCollateral(address _reserve, bool _useAsCollateral)
         external
-        nonReentrant
         onlyActiveReserve(_reserve)
         onlyUnfreezedReserve(_reserve)
     {
@@ -809,7 +802,7 @@ contract LendingPool is ReentrancyGuard, VersionedInitializable {
         address _user,
         uint256 _purchaseAmount,
         bool _receiveAToken
-    ) external payable nonReentrant onlyActiveReserve(_reserve) onlyActiveReserve(_collateral) {
+    ) external payable onlyActiveReserve(_reserve) onlyActiveReserve(_collateral) {
         address liquidationManager = addressesProvider.getLendingPoolLiquidationManager();
 
         //solium-disable-next-line
@@ -843,7 +836,6 @@ contract LendingPool is ReentrancyGuard, VersionedInitializable {
     **/
     function flashLoan(address _receiver, address _reserve, uint256 _amount, bytes memory _params)
         public
-        nonReentrant
         onlyActiveReserve(_reserve)
         onlyAmountGreaterThanZero(_amount) // TODO: remove
     {

helpers/contracts-helpers.ts

@@ -311,7 +311,7 @@ export const getLendingPoolConfiguratorProxy = async (
   );
 };
 
-export const getLendingPoolProxy = async (address?: tEthereumAddress) => {
+export const getLendingPool = async (address?: tEthereumAddress) => {
   return await getContract<LendingPool>(
     eContractid.LendingPool,
     address ||
@@ -323,7 +323,7 @@ export const getLendingPoolProxy = async (address?: tEthereumAddress) => {
   );
 };
 
-export const getLendingPoolCoreProxy = async (address?: tEthereumAddress) => {
+export const getLendingPoolCore = async (address?: tEthereumAddress) => {
   const CoreLibraryFactory = await BRE.ethers.getContractFactory(
     eContractid.CoreLibrary
   );

test/__setup.spec.ts

@@ -12,7 +12,7 @@ import {
   deployLendingPool,
   deployPriceOracle,
   getLendingPoolConfiguratorProxy,
-  getLendingPoolCoreProxy,
+  getLendingPoolCore,
   deployMockAggregator,
   deployChainlinkProxyPriceProvider,
   deployLendingRateOracle,
@@ -27,7 +27,7 @@ import {
   getFeeProvider,
   getLendingPoolParametersProvider,
   getLendingPoolDataProvider,
-  getLendingPoolProxy,
+  getLendingPool,
   insertContractAddressInDb,
   deployAaveProtocolTestHelpers,
 } from "../helpers/contracts-helpers";
@@ -396,7 +396,7 @@ const buildTestEnv = async (deployer: Wallet, secondaryWallet: Wallet) => {
   await waitForTx(
     await addressesProvider.setLendingPoolCoreImpl(lendingPoolCoreImpl.address)
   );
-  const lendingPoolCoreProxy = await getLendingPoolCoreProxy(
+  const lendingPoolCoreProxy = await getLendingPoolCore(
     await addressesProvider.getLendingPoolCore()
   );
   await insertContractAddressInDb(
@@ -436,7 +436,7 @@ const buildTestEnv = async (deployer: Wallet, secondaryWallet: Wallet) => {
   await waitForTx(
     await addressesProvider.setLendingPoolImpl(lendingPoolImpl.address)
   );
-  const lendingPoolProxy = await getLendingPoolProxy(
+  const lendingPoolProxy = await getLendingPool(
     await addressesProvider.getLendingPool()
   );
   await insertContractAddressInDb(

test/atoken-transfer.spec.ts

@@ -14,8 +14,8 @@ import {
   getAToken,
   convertToCurrencyDecimals,
   getEthersSigners,
-  getLendingPoolCoreProxy,
+  getLendingPoolCore,
-  getLendingPoolProxy,
+  getLendingPool,
 } from "../helpers/contracts-helpers";
 import {expect} from "chai";
 import {ethers, Wallet, Signer} from "ethers";
@@ -40,8 +40,8 @@ describe("AToken: Transfer", () => {
     deployer = _deployer;
     users = _users;
 
-    _lendingPool = await getLendingPoolProxy();
+    _lendingPool = await getLendingPool();
-    _lendingPoolCore = await getLendingPoolCoreProxy();
+    _lendingPoolCore = await getLendingPoolCore();
 
     const testHelpers = await getAaveProtocolTestHelpers();
 
@@ -72,9 +72,11 @@ describe("AToken: Transfer", () => {
 
     console.log(_lendingPoolCore.address);
 
+    console.time("approve");
     await _dai
       .connect(users[0])
       .approve(_lendingPoolCore.address, APPROVAL_AMOUNT_LENDING_POOL_CORE);
+    console.timeEnd("approve");
 
     //user 1 deposits 1000 DAI
     const amountDAItoDeposit = await convertToCurrencyDecimals(
@@ -82,32 +84,32 @@ describe("AToken: Transfer", () => {
       "1000"
     );
 
+    console.time("getaddress");
     await _lendingPool
       .connect(users[0])
       .deposit(_dai.address, amountDAItoDeposit, "0");
+    console.timeEnd("getaddress");
 
-    //   console.log(users[0])
+    await _aDai
-    //   console.log(await users[0].getAddress())
+      .connect(users[0])
-    // await _aDai
+      .transfer(await users[1].getAddress(), amountDAItoDeposit);
-    //   .connect(users[0])
-    //   .transfer(await users[1].getAddress(), amountDAItoDeposit);
 
-    // const fromBalance = await _aDai.balanceOf(await users[0].getAddress());
+    const fromBalance = await _aDai.balanceOf(await users[0].getAddress());
-    // const toBalance = await _aDai.balanceOf(await users[1].getAddress());
+    const toBalance = await _aDai.balanceOf(await users[1].getAddress());
 
-    // expect(fromBalance.toString()).to.be.equal(
+    expect(fromBalance.toString()).to.be.equal(
-    //   "0",
+      "0",
-    //   "Invalid from balance after transfer"
+      "Invalid from balance after transfer"
-    // );
+    );
-    // expect(toBalance.toString()).to.be.equal(
+    expect(toBalance.toString()).to.be.equal(
-    //   amountDAItoDeposit.toString(),
+      amountDAItoDeposit.toString(),
-    //   "Invalid to balance after transfer"
+      "Invalid to balance after transfer"
-    // );
+    );
   });
 
   // it('User 1 redirects interest to user 2, transfers 500 DAI back to user 0', async () => {
 
-  //     await _aDAI.redirectInterestStream(users[2], {from: users[1]});
+  //   await _aDai.redirectInterestStream(await users[2].getAddress());
 
   //   const aDAIRedirected = await convertToCurrencyDecimals(_DAI.address, '1000');