From 9ad818996629b151ed835167e5d35cd942d9b6cf Mon Sep 17 00:00:00 2001 From: The3D Date: Sun, 23 Aug 2020 16:31:31 +0200 Subject: [PATCH 01/17] Removed reentrancy --- contracts/lendingpool/LendingPool.sol | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/contracts/lendingpool/LendingPool.sol b/contracts/lendingpool/LendingPool.sol index ee429e6f..59c84382 100644 --- a/contracts/lendingpool/LendingPool.sol +++ b/contracts/lendingpool/LendingPool.sol @@ -87,7 +87,7 @@ contract LendingPool is ReentrancyGuard, VersionedInitializable, ILendingPool { address asset, uint256 amount, uint16 referralCode - ) external override nonReentrant { + ) external override { ReserveLogic.ReserveData storage reserve = _reserves[asset]; ValidationLogic.validateDeposit(reserve, amount); @@ -118,7 +118,7 @@ contract LendingPool is ReentrancyGuard, VersionedInitializable, ILendingPool { * @param asset the address of the reserve * @param amount the underlying amount to be redeemed **/ - function withdraw(address asset, uint256 amount) external override nonReentrant { + function withdraw(address asset, uint256 amount) external override { ReserveLogic.ReserveData storage reserve = _reserves[asset]; IAToken aToken = IAToken(reserve.aTokenAddress); @@ -169,7 +169,7 @@ contract LendingPool is ReentrancyGuard, VersionedInitializable, ILendingPool { uint256 amount, uint256 interestRateMode, uint16 referralCode - ) external override nonReentrant { + ) external override { ReserveLogic.ReserveData storage reserve = _reserves[asset]; UserConfiguration.Map storage userConfig = _usersConfig[msg.sender]; @@ -236,7 +236,7 @@ contract LendingPool is ReentrancyGuard, VersionedInitializable, ILendingPool { uint256 amount, uint256 _rateMode, address _onBehalfOf - ) external override nonReentrant { + ) external override { ReserveLogic.ReserveData storage reserve = _reserves[asset]; (uint256 stableDebt, uint256 variableDebt) = Helpers.getUserCurrentDebt(_onBehalfOf, reserve); @@ -288,7 +288,7 @@ contract LendingPool is ReentrancyGuard, VersionedInitializable, ILendingPool { * @param asset the address of the reserve on which the user borrowed * @param _rateMode the rate mode that the user wants to swap **/ - function swapBorrowRateMode(address asset, uint256 _rateMode) external override nonReentrant { + function swapBorrowRateMode(address asset, uint256 _rateMode) external override { ReserveLogic.ReserveData storage reserve = _reserves[asset]; (uint256 stableDebt, uint256 variableDebt) = Helpers.getUserCurrentDebt(msg.sender, reserve); @@ -336,7 +336,7 @@ contract LendingPool is ReentrancyGuard, VersionedInitializable, ILendingPool { * @param asset the address of the reserve * @param _user the address of the user to be rebalanced **/ - function rebalanceStableBorrowRate(address asset, address _user) external override nonReentrant { + function rebalanceStableBorrowRate(address asset, address _user) external override { ReserveLogic.ReserveData storage reserve = _reserves[asset]; IStableDebtToken stableDebtToken = IStableDebtToken(reserve.stableDebtTokenAddress); @@ -421,7 +421,7 @@ contract LendingPool is ReentrancyGuard, VersionedInitializable, ILendingPool { address _user, uint256 _purchaseAmount, bool _receiveAToken - ) external override nonReentrant { + ) external override { address liquidationManager = addressesProvider.getLendingPoolLiquidationManager(); //solium-disable-next-line @@ -458,7 +458,7 @@ contract LendingPool is ReentrancyGuard, VersionedInitializable, ILendingPool { address asset, uint256 amount, bytes calldata params - ) external override nonReentrant { + ) external override { ReserveLogic.ReserveData storage reserve = _reserves[asset]; address aTokenAddress = reserve.aTokenAddress; From 70eb126b581dbcaf6712daea06f17e26d6732216 Mon Sep 17 00:00:00 2001 From: The3D Date: Sun, 23 Aug 2020 16:35:01 +0200 Subject: [PATCH 02/17] Removed ReentrancyGuard from LiquidationManager --- contracts/lendingpool/LendingPool.sol | 4 +--- contracts/lendingpool/LendingPoolLiquidationManager.sol | 4 +--- 2 files changed, 2 insertions(+), 6 deletions(-) diff --git a/contracts/lendingpool/LendingPool.sol b/contracts/lendingpool/LendingPool.sol index 59c84382..6132025e 100644 --- a/contracts/lendingpool/LendingPool.sol +++ b/contracts/lendingpool/LendingPool.sol @@ -3,7 +3,6 @@ pragma solidity ^0.6.8; pragma experimental ABIEncoderV2; import {SafeMath} from '@openzeppelin/contracts/math/SafeMath.sol'; -import {ReentrancyGuard} from '@openzeppelin/contracts/utils/ReentrancyGuard.sol'; import {IERC20} from '@openzeppelin/contracts/token/ERC20/IERC20.sol'; import { VersionedInitializable @@ -31,7 +30,7 @@ import {ILendingPool} from '../interfaces/ILendingPool.sol'; * @author Aave **/ -contract LendingPool is ReentrancyGuard, VersionedInitializable, ILendingPool { +contract LendingPool is VersionedInitializable, ILendingPool { using SafeMath for uint256; using WadRayMath for uint256; using ReserveLogic for ReserveLogic.ReserveData; @@ -384,7 +383,6 @@ contract LendingPool is ReentrancyGuard, VersionedInitializable, ILendingPool { function setUserUseReserveAsCollateral(address asset, bool _useAsCollateral) external override - nonReentrant { ReserveLogic.ReserveData storage reserve = _reserves[asset]; diff --git a/contracts/lendingpool/LendingPoolLiquidationManager.sol b/contracts/lendingpool/LendingPoolLiquidationManager.sol index 17d08a03..21084154 100644 --- a/contracts/lendingpool/LendingPoolLiquidationManager.sol +++ b/contracts/lendingpool/LendingPoolLiquidationManager.sol @@ -3,8 +3,6 @@ pragma solidity ^0.6.8; import {SafeMath} from '@openzeppelin/contracts/math/SafeMath.sol'; import {IERC20} from '@openzeppelin/contracts/token/ERC20/IERC20.sol'; -import {ReentrancyGuard} from '@openzeppelin/contracts/utils/ReentrancyGuard.sol'; -import {ReentrancyGuard} from '@openzeppelin/contracts/utils/ReentrancyGuard.sol'; import { VersionedInitializable } from '../libraries/openzeppelin-upgradeability/VersionedInitializable.sol'; @@ -27,7 +25,7 @@ import {SafeERC20} from '@openzeppelin/contracts/token/ERC20/SafeERC20.sol'; * @author Aave * @notice Implements the liquidation function. **/ -contract LendingPoolLiquidationManager is ReentrancyGuard, VersionedInitializable { +contract LendingPoolLiquidationManager is VersionedInitializable { using SafeERC20 for IERC20; using SafeMath for uint256; using WadRayMath for uint256; From 9377a137f1c9c19c8fff7e6157e7e98a9adf94c2 Mon Sep 17 00:00:00 2001 From: The3D Date: Sun, 23 Aug 2020 16:49:23 +0200 Subject: [PATCH 03/17] Updated flashloan function --- contracts/lendingpool/LendingPool.sol | 20 ++------------------ 1 file changed, 2 insertions(+), 18 deletions(-) diff --git a/contracts/lendingpool/LendingPool.sol b/contracts/lendingpool/LendingPool.sol index 5f2c8e39..50386d6d 100644 --- a/contracts/lendingpool/LendingPool.sol +++ b/contracts/lendingpool/LendingPool.sol @@ -459,16 +459,9 @@ contract LendingPool is VersionedInitializable, ILendingPool { address aTokenAddress = reserve.aTokenAddress; - //check that the reserve has enough available liquidity - uint256 availableLiquidityBefore = IERC20(asset).balanceOf(aTokenAddress); - //calculate amount fee uint256 amountFee = amount.mul(FLASHLOAN_FEE_TOTAL).div(10000); - require( - availableLiquidityBefore >= amount, - 'There is not enough liquidity available to borrow' - ); require(amountFee > 0, 'The requested amount is too small for a FlashLoan.'); //get the FlashLoanReceiver instance @@ -480,21 +473,12 @@ contract LendingPool is VersionedInitializable, ILendingPool { //execute action of the receiver receiver.executeOperation(asset, aTokenAddress, amount, amountFee, params); - //check that the actual balance of the core contract includes the returned amount - uint256 availableLiquidityAfter = IERC20(asset).balanceOf(aTokenAddress); - - require( - availableLiquidityAfter == availableLiquidityBefore.add(amountFee), - 'The actual balance of the protocol is inconsistent' - ); + //transfer from the receiver the amount plus the fee + IERC20(asset).safeTransferFrom(receiver, aTokenAddress, amount.add(amountFee)); //compounding the cumulated interest reserve.updateCumulativeIndexesAndTimestamp(); - uint256 totalLiquidityBefore = availableLiquidityBefore - .add(IERC20(reserve.variableDebtTokenAddress).totalSupply()) - .add(IERC20(reserve.stableDebtTokenAddress).totalSupply()); - //compounding the received fee into the reserve reserve.cumulateToLiquidityIndex(totalLiquidityBefore, amountFee); From d833157cf47250ef0771940b8115c1f292e91e1d Mon Sep 17 00:00:00 2001 From: The3D Date: Sun, 23 Aug 2020 18:38:34 +0200 Subject: [PATCH 04/17] Updated flashloans to transferFrom the receiver instead of checking that the funds where sent back --- buidler.config.ts | 2 +- .../flashloan/base/FlashLoanReceiverBase.sol | 19 +- .../interfaces/IFlashLoanReceiver.sol | 1 - contracts/lendingpool/LendingPool.sol | 6 +- .../mocks/flashloan/MockFlashLoanReceiver.sol | 26 +- deployed-contracts.json | 86 +- helpers/types.ts | 2 +- test/flashloan.spec.ts | 13 +- tests.log | 2750 +++++++++++++++++ 9 files changed, 2819 insertions(+), 86 deletions(-) create mode 100644 tests.log diff --git a/buidler.config.ts b/buidler.config.ts index d21f5293..d0657ab0 100644 --- a/buidler.config.ts +++ b/buidler.config.ts @@ -8,7 +8,7 @@ usePlugin('buidler-typechain'); usePlugin('solidity-coverage'); usePlugin('@nomiclabs/buidler-waffle'); usePlugin('@nomiclabs/buidler-etherscan'); -//usePlugin('buidler-gas-reporter'); +usePlugin('buidler-gas-reporter'); const DEFAULT_BLOCK_GAS_LIMIT = 10000000; const DEFAULT_GAS_PRICE = 10; diff --git a/contracts/flashloan/base/FlashLoanReceiverBase.sol b/contracts/flashloan/base/FlashLoanReceiverBase.sol index c4aaecd6..f96609d2 100644 --- a/contracts/flashloan/base/FlashLoanReceiverBase.sol +++ b/contracts/flashloan/base/FlashLoanReceiverBase.sol @@ -12,27 +12,12 @@ abstract contract FlashLoanReceiverBase is IFlashLoanReceiver { using SafeERC20 for IERC20; using SafeMath for uint256; - ILendingPoolAddressesProvider public addressesProvider; + ILendingPoolAddressesProvider internal _addressesProvider; constructor(ILendingPoolAddressesProvider provider) public { - addressesProvider = provider; + _addressesProvider = provider; } receive() external payable {} - function _transferFundsBack( - address reserve, - address destination, - uint256 amount - ) internal { - transferInternal(destination, reserve, amount); - } - - function transferInternal( - address destination, - address reserve, - uint256 amount - ) internal { - IERC20(reserve).safeTransfer(destination, amount); - } } diff --git a/contracts/flashloan/interfaces/IFlashLoanReceiver.sol b/contracts/flashloan/interfaces/IFlashLoanReceiver.sol index 95fe6f3d..e3c2636c 100644 --- a/contracts/flashloan/interfaces/IFlashLoanReceiver.sol +++ b/contracts/flashloan/interfaces/IFlashLoanReceiver.sol @@ -10,7 +10,6 @@ pragma solidity ^0.6.8; interface IFlashLoanReceiver { function executeOperation( address reserve, - address destination, uint256 amount, uint256 fee, bytes calldata params diff --git a/contracts/lendingpool/LendingPool.sol b/contracts/lendingpool/LendingPool.sol index 50386d6d..77f04893 100644 --- a/contracts/lendingpool/LendingPool.sol +++ b/contracts/lendingpool/LendingPool.sol @@ -471,16 +471,16 @@ contract LendingPool is VersionedInitializable, ILendingPool { IAToken(aTokenAddress).transferUnderlyingTo(receiverAddress, amount); //execute action of the receiver - receiver.executeOperation(asset, aTokenAddress, amount, amountFee, params); + receiver.executeOperation(asset, amount, amountFee, params); //transfer from the receiver the amount plus the fee - IERC20(asset).safeTransferFrom(receiver, aTokenAddress, amount.add(amountFee)); + IERC20(asset).safeTransferFrom(receiverAddress, aTokenAddress, amount.add(amountFee)); //compounding the cumulated interest reserve.updateCumulativeIndexesAndTimestamp(); //compounding the received fee into the reserve - reserve.cumulateToLiquidityIndex(totalLiquidityBefore, amountFee); + reserve.cumulateToLiquidityIndex(IERC20(aTokenAddress).totalSupply(), amountFee); //refresh interest rates reserve.updateInterestRates(asset, amountFee, 0); diff --git a/contracts/mocks/flashloan/MockFlashLoanReceiver.sol b/contracts/mocks/flashloan/MockFlashLoanReceiver.sol index b1bfc8b2..610e94cd 100644 --- a/contracts/mocks/flashloan/MockFlashLoanReceiver.sol +++ b/contracts/mocks/flashloan/MockFlashLoanReceiver.sol @@ -13,46 +13,46 @@ contract MockFlashLoanReceiver is FlashLoanReceiverBase { using SafeMath for uint256; using SafeERC20 for IERC20; + ILendingPoolAddressesProvider internal _provider; + event ExecutedWithFail(address _reserve, uint256 _amount, uint256 _fee); event ExecutedWithSuccess(address _reserve, uint256 _amount, uint256 _fee); bool failExecution = false; - constructor(ILendingPoolAddressesProvider _provider) public FlashLoanReceiverBase(_provider) {} + constructor(ILendingPoolAddressesProvider provider) public FlashLoanReceiverBase(provider) {} function setFailExecutionTransfer(bool _fail) public { failExecution = _fail; } function executeOperation( - address _reserve, - address _destination, - uint256 _amount, - uint256 _fee, - bytes memory _params + address reserve, + uint256 amount, + uint256 fee, + bytes memory params ) public override { //mint to this contract the specific amount - MintableERC20 token = MintableERC20(_reserve); + MintableERC20 token = MintableERC20(reserve); //check the contract has the specified balance require( - _amount <= IERC20(_reserve).balanceOf(address(this)), + amount <= IERC20(reserve).balanceOf(address(this)), 'Invalid balance for the contract' ); if (failExecution) { - emit ExecutedWithFail(_reserve, _amount, _fee); + emit ExecutedWithFail(reserve, amount, fee); return; } //execution does not fail - mint tokens and return them to the _destination //note: if the reserve is eth, the mock contract must receive at least _fee ETH before calling executeOperation - token.mint(_fee); + token.mint(fee); - //returning amount + fee to the destination - _transferFundsBack(_reserve, _destination, _amount.add(_fee)); + IERC20(reserve).approve(_addressesProvider.getLendingPool(), amount.add(fee)); - emit ExecutedWithSuccess(_reserve, _amount, _fee); + emit ExecutedWithSuccess(reserve, amount, fee); } } diff --git a/deployed-contracts.json b/deployed-contracts.json index 8286b8f5..74b88aa4 100644 --- a/deployed-contracts.json +++ b/deployed-contracts.json @@ -5,7 +5,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0x58F132FBB86E21545A4Bace3C19f1C05d86d7A22", + "address": "0xf8c6eB390cDc5C08717bC2268aa0c1169A9B5deE", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -15,7 +15,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0xa4bcDF64Cdd5451b6ac3743B414124A6299B65FF", + "address": "0x4a716924Dad0c0d0E558844F304548814e7089F1", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -25,7 +25,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0x5A0773Ff307Bf7C71a832dBB5312237fD3437f9F", + "address": "0x798c5b4b62b1eA9D64955D6751B03075A003F123", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -53,7 +53,7 @@ "address": "0x6642B57e4265BAD868C17Fc1d1F4F88DBBA04Aa8" }, "localhost": { - "address": "0x9EC0480CF106d6dc1c7849BA141a56F874170F97" + "address": "0x193101EA4C68eb894aeb922D4aC9C612a464c735" } }, "LendingPoolDataProvider": { @@ -66,7 +66,7 @@ "address": "0xD9273d497eDBC967F39d419461CfcF382a0A822e" }, "localhost": { - "address": "0x6642B57e4265BAD868C17Fc1d1F4F88DBBA04Aa8" + "address": "0xf9cD0476CFC1E983e9feA9366A2C08e10eFc9e25" } }, "PriceOracle": { @@ -75,7 +75,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0x099d9fF8F818290C8b5B7Db5bFca84CEebd2714c", + "address": "0x18C3df59BEb7babb81BC20f61c5C175D0Cb7603d", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -85,7 +85,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0xAF6BA11790D1942625C0c2dA07da19AB63845cfF", + "address": "0x39ed2aE701B56AD229A19E628Bf5A515795F0AA3", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -95,7 +95,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0xD83D2773a7873ae2b5f8Fb92097e20a8C64F691E", + "address": "0x9434029990cF00118c28a06E014F0d7d879f28CE", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -105,7 +105,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0xf91aC1098F3b154671Ce83290114aaE45ac0225f", + "address": "0xccd7A2534fd4FD5119De8E368615b226e23F8F37", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -115,7 +115,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0x830bceA96E56DBC1F8578f75fBaC0AF16B32A07d", + "address": "0x4c010BA8A40e5c13Acc1E32c025c2b2aea405Dbb", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -169,7 +169,7 @@ "address": "0x2B681757d757fbB80cc51c6094cEF5eE75bF55aA" }, "localhost": { - "address": "0x3bDA11B584dDff7F66E0cFe1da1562c92B45db60" + "address": "0x2aE520a05B31f170a18C425a1e8626aB7Ef71984" } }, "WalletBalanceProvider": { @@ -178,7 +178,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0x392E5355a0e88Bd394F717227c752670fb3a8020", + "address": "0xBD2244f43f7BA73eB35A64302A6D8DBf17BdF2F1", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -188,7 +188,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0x7c2C195CD6D34B8F845992d380aADB2730bB9C6F", + "address": "0x11df1AF606b85226Ab9a8B1FDa90395298e7494F", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -198,7 +198,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0x8858eeB3DfffA017D4BCE9801D340D36Cf895CCf", + "address": "0x8f9A92c125FFEb83d8eC808Cd9f8cb80084c1E37", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -208,7 +208,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0x0078371BDeDE8aAc7DeBfFf451B74c5EDB385Af7", + "address": "0xc4007844AE6bBe168cE8D692C86a7A4414FBcD26", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -218,7 +218,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0xf4e77E5Da47AC3125140c470c71cBca77B5c638c", + "address": "0xAb768C858C33DfcB6651d1174AFb750433a87Be0", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -228,7 +228,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0x3619DbE27d7c1e7E91aA738697Ae7Bc5FC3eACA5", + "address": "0xA089557D64DAE4b4FcB65aB7C8A520AABb213e37", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -238,7 +238,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0x038B86d9d8FAFdd0a02ebd1A476432877b0107C8", + "address": "0x20FAE2042b362E3FaB2806820b9A43CC116e2846", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -248,7 +248,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0x1A1FEe7EeD918BD762173e4dc5EfDB8a78C924A8", + "address": "0x8880F314112f15C2AfF674c3B27f9a44Ca86e4d0", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -258,7 +258,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0x500D1d6A4c7D8Ae28240b47c8FCde034D827fD5e", + "address": "0xDcb10C2e15110Db4B02C0a1df459768E680ce245", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -268,7 +268,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0xc4905364b78a742ccce7B890A89514061E47068D", + "address": "0xfD408ec64Da574b1859814F810564f73ea2Ff003", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -278,7 +278,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0xD6C850aeBFDC46D7F4c207e445cC0d6B0919BDBe", + "address": "0x0006F7c3542BEE76Dd887f54eD22405Ac4ae905a", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -288,7 +288,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0x8B5B7a6055E54a36fF574bbE40cf2eA68d5554b3", + "address": "0x6ca94a51c644eca3F9CA315bcC41CbA6940A66Eb", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -298,7 +298,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0xEcc0a6dbC0bb4D51E4F84A315a9e5B0438cAD4f0", + "address": "0x6765291Cab755B980F377445eFd0F9F945CDA6C4", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -308,7 +308,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0x20Ce94F404343aD2752A2D01b43fa407db9E0D00", + "address": "0xa7dB4d25Fc525d19Fbda4E74AAF447B88420FbcB", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -318,7 +318,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0x1d80315fac6aBd3EfeEbE97dEc44461ba7556160", + "address": "0x273D60904A8DBa3Ae6B20505c59902644124fF0E", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -328,7 +328,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0x2D8553F9ddA85A9B3259F6Bf26911364B85556F5", + "address": "0xfc37dE87C1Ee39cc856782BF96fEdcB6FA5c5A7f", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -338,7 +338,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0x52d3b94181f8654db2530b0fEe1B19173f519C52", + "address": "0x049228dFFEdf91ff224e9F96247aEBA700e3590c", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -348,7 +348,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0xd15468525c35BDBC1eD8F2e09A00F8a173437f2f", + "address": "0xA410D1f3fEAF300842142Cd7AA1709D84944DCb7", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -358,7 +358,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0x7e35Eaf7e8FBd7887ad538D4A38Df5BbD073814a", + "address": "0x835973768750b3ED2D5c3EF5AdcD5eDb44d12aD4", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -368,7 +368,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0x5bcb88A0d20426e451332eE6C4324b0e663c50E0", + "address": "0x1181FC27dbF04B5105243E60BB1936c002e9d5C8", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -378,7 +378,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0x3521eF8AaB0323004A6dD8b03CE890F4Ea3A13f5", + "address": "0x6F96975e2a0e1380b6e2e406BB33Ae96e4b6DB65", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -388,7 +388,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0x53369fd4680FfE3DfF39Fc6DDa9CfbfD43daeA2E", + "address": "0xc032930653da193EDE295B4DcE3DD093a695c3b3", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -398,7 +398,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0xB00cC45B4a7d3e1FEE684cFc4417998A1c183e6d", + "address": "0xb3363f4349b1160DbA55ec4D82fDe874A4123A2a", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -408,7 +408,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0x58F132FBB86E21545A4Bace3C19f1C05d86d7A22", + "address": "0xf8c6eB390cDc5C08717bC2268aa0c1169A9B5deE", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -417,7 +417,7 @@ "address": "0xDf73fC454FA018051D4a1509e63D11530A59DE10" }, "localhost": { - "address": "0x3b050AFb4ac4ACE646b31fF3639C1CD43aC31460" + "address": "0x18c3e48a45839B3BbC998c70A2fD41fB8D93a35D" } }, "StableDebtToken": { @@ -426,7 +426,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0xA0AB1cB92A4AF81f84dCd258155B5c25D247b54E", + "address": "0x2ca7Aa6CcCdb5D77F1c1d3E6a21fF0F7ac24C825", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -436,13 +436,13 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0x5f7134cd38C826a7649f9Cc47dda24d834DD2967", + "address": "0x527a346011Cd6c71973f653426Ce609fa53dd59E", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, "AToken": { "localhost": { - "address": "0xE91bBe8ee03560E3dda2786f95335F5399813Ca0", + "address": "0x3035D5D127487Ee5Df5FD951D9624a8b877A8497", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "buidlerevm": { @@ -456,7 +456,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0x7f23223A2FAf869962B38f5eC4aAB7f37454A45e", + "address": "0xAA6DfC2A802857Fadb75726B6166484e2c011cf5", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -466,7 +466,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0xf784709d2317D872237C4bC22f867d1BAe2913AB", + "address": "0x2cc20bE530F92865c2ed8CeD0b020a11bFe62Fe7", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -476,7 +476,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0x1203D1b97BF6E546c00C45Cda035D3010ACe1180", + "address": "0xFd23fD3d937ae73a7b545B8Bfeb218395bDe9b8f", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } }, @@ -486,7 +486,7 @@ "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" }, "localhost": { - "address": "0x8733AfE8174BA7c04c6CD694bD673294079b7E10", + "address": "0xEe821582b591CE5e4a9B7fFc4E2DAD47D3759C08", "deployer": "0xc783df8a850f42e7F7e57013759C285caa701eB6" } } diff --git a/helpers/types.ts b/helpers/types.ts index 106e5376..625da1f4 100644 --- a/helpers/types.ts +++ b/helpers/types.ts @@ -56,7 +56,7 @@ export enum ProtocolErrors { INVALID_REDIRECTION_ADDRESS = 'Invalid redirection address', TRANSFERRED_AMOUNT_GT_ZERO = 'Transferred amount needs to be greater than zero', ZERO_COLLATERAL = 'The collateral balance is 0', - INCONSISTENT_PROTOCOL_BALANCE = 'The actual balance of the protocol is inconsistent', + TRANSFER_AMOUNT_EXCEEDS_BALANCE = 'ERC20: transfer amount exceeds balance', TOO_SMALL_FLASH_LOAN = 'The requested amount is too small for a FlashLoan.', NOT_ENOUGH_LIQUIDITY_TO_BORROW = 'There is not enough liquidity available to borrow', HF_IS_NOT_BELLOW_THRESHOLD = 'Health factor is not below the threshold', diff --git a/test/flashloan.spec.ts b/test/flashloan.spec.ts index fcda8c28..cbbda7d6 100644 --- a/test/flashloan.spec.ts +++ b/test/flashloan.spec.ts @@ -11,9 +11,8 @@ const {expect} = require('chai'); makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { let _mockFlashLoanReceiver = {} as MockFlashLoanReceiver; const { - INCONSISTENT_PROTOCOL_BALANCE, + TRANSFER_AMOUNT_EXCEEDS_BALANCE, TOO_SMALL_FLASH_LOAN, - NOT_ENOUGH_LIQUIDITY_TO_BORROW, } = ProtocolErrors; before(async () => { @@ -99,7 +98,7 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { ethers.utils.parseEther('0.8'), '0x10' ) - ).to.be.revertedWith(INCONSISTENT_PROTOCOL_BALANCE); + ).to.be.revertedWith(TRANSFER_AMOUNT_EXCEEDS_BALANCE); }); it('tries to take a very small flashloan, which would result in 0 fees (revert expected)', async () => { @@ -125,8 +124,8 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { '1004415000000000000', //slightly higher than the available liquidity '0x10' ), - NOT_ENOUGH_LIQUIDITY_TO_BORROW - ).to.be.revertedWith(NOT_ENOUGH_LIQUIDITY_TO_BORROW); + TRANSFER_AMOUNT_EXCEEDS_BALANCE + ).to.be.revertedWith(TRANSFER_AMOUNT_EXCEEDS_BALANCE); }); it('tries to take a flashloan using a non contract address as receiver (revert expected)', async () => { @@ -194,7 +193,7 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { ethers.utils.parseEther('500'), '0x10' ), - INCONSISTENT_PROTOCOL_BALANCE - ).to.be.revertedWith(INCONSISTENT_PROTOCOL_BALANCE); + TRANSFER_AMOUNT_EXCEEDS_BALANCE + ).to.be.revertedWith(TRANSFER_AMOUNT_EXCEEDS_BALANCE); }); }); diff --git a/tests.log b/tests.log new file mode 100644 index 00000000..7b538da2 --- /dev/null +++ b/tests.log @@ -0,0 +1,2750 @@ +Compiling... + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +Compiled 68 contracts successfully + +-> Deploying test environment... +*** MintableERC20 *** + +Network: localhost +tx: 0xb693d33edf5fb2e4adf9cfacde9abe07350ef8327c3fabe93d99e0428ccc53fd +contract address: 0x11df1AF606b85226Ab9a8B1FDa90395298e7494F +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 3770435 + +****** + +*** DAI *** + +Network: localhost +tx: 0xb693d33edf5fb2e4adf9cfacde9abe07350ef8327c3fabe93d99e0428ccc53fd +contract address: 0x11df1AF606b85226Ab9a8B1FDa90395298e7494F +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 3770435 + +****** + +*** MintableERC20 *** + +Network: localhost +tx: 0xd445dfad2e65e07cf8c9f31b3fed0755d619544067ba4d63b5d78f3d25664fa4 +contract address: 0x8f9A92c125FFEb83d8eC808Cd9f8cb80084c1E37 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 3770555 + +****** + +*** LEND *** + +Network: localhost +tx: 0xd445dfad2e65e07cf8c9f31b3fed0755d619544067ba4d63b5d78f3d25664fa4 +contract address: 0x8f9A92c125FFEb83d8eC808Cd9f8cb80084c1E37 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 3770555 + +****** + +*** MintableERC20 *** + +Network: localhost +tx: 0xb44d3bbdb2704e5ab272306e60f99af93fcce9ecdf14a5a303daacea79c3408b +contract address: 0xc4007844AE6bBe168cE8D692C86a7A4414FBcD26 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 3770555 + +****** + +*** TUSD *** + +Network: localhost +tx: 0xb44d3bbdb2704e5ab272306e60f99af93fcce9ecdf14a5a303daacea79c3408b +contract address: 0xc4007844AE6bBe168cE8D692C86a7A4414FBcD26 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 3770555 + +****** + +*** MintableERC20 *** + +Network: localhost +tx: 0x34b1370e38c3f89c4356ede4b3ee647790dc31a6c905ca7838b50c396a77fcea +contract address: 0xAb768C858C33DfcB6651d1174AFb750433a87Be0 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 3770435 + +****** + +*** BAT *** + +Network: localhost +tx: 0x34b1370e38c3f89c4356ede4b3ee647790dc31a6c905ca7838b50c396a77fcea +contract address: 0xAb768C858C33DfcB6651d1174AFb750433a87Be0 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 3770435 + +****** + +*** MintableERC20 *** + +Network: localhost +tx: 0x514141c9d33ef8322ceb061e23a1295802aa5598e2946b639cc1f6c6b3d4edc7 +contract address: 0x2cc20bE530F92865c2ed8CeD0b020a11bFe62Fe7 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 3770555 + +****** + +*** WETH *** + +Network: localhost +tx: 0x514141c9d33ef8322ceb061e23a1295802aa5598e2946b639cc1f6c6b3d4edc7 +contract address: 0x2cc20bE530F92865c2ed8CeD0b020a11bFe62Fe7 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 3770555 + +****** + +*** MintableERC20 *** + +Network: localhost +tx: 0xd9646f0608c0da17edef8a6e4cd023a6863ce240164f698d9313e70fdd3c7e1f +contract address: 0xA089557D64DAE4b4FcB65aB7C8A520AABb213e37 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 3770555 + +****** + +*** USDC *** + +Network: localhost +tx: 0xd9646f0608c0da17edef8a6e4cd023a6863ce240164f698d9313e70fdd3c7e1f +contract address: 0xA089557D64DAE4b4FcB65aB7C8A520AABb213e37 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 3770555 + +****** + +*** MintableERC20 *** + +Network: localhost +tx: 0xc1be16014389ca278747424393a740bca4ec447fbd9caa4f4982e351ee266108 +contract address: 0x20FAE2042b362E3FaB2806820b9A43CC116e2846 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 3770555 + +****** + +*** USDT *** + +Network: localhost +tx: 0xc1be16014389ca278747424393a740bca4ec447fbd9caa4f4982e351ee266108 +contract address: 0x20FAE2042b362E3FaB2806820b9A43CC116e2846 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 3770555 + +****** + +*** MintableERC20 *** + +Network: localhost +tx: 0x50f85855b779985f4a404b35505783e7135433034149f253eae0cab1400ae353 +contract address: 0x8880F314112f15C2AfF674c3B27f9a44Ca86e4d0 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 3770555 + +****** + +*** SUSD *** + +Network: localhost +tx: 0x50f85855b779985f4a404b35505783e7135433034149f253eae0cab1400ae353 +contract address: 0x8880F314112f15C2AfF674c3B27f9a44Ca86e4d0 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 3770555 + +****** + +*** MintableERC20 *** + +Network: localhost +tx: 0xa51d0baa6dd5cda1f4631af260b5ed8ecae708d5f5bcde76961f31bcfd4ba7eb +contract address: 0xDcb10C2e15110Db4B02C0a1df459768E680ce245 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 3770435 + +****** + +*** ZRX *** + +Network: localhost +tx: 0xa51d0baa6dd5cda1f4631af260b5ed8ecae708d5f5bcde76961f31bcfd4ba7eb +contract address: 0xDcb10C2e15110Db4B02C0a1df459768E680ce245 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 3770435 + +****** + +*** MintableERC20 *** + +Network: localhost +tx: 0x9bfdcd29285b0fab25adf99c1fca8059bbf38cb1a9f8e59e7d3fefda8d6eb03b +contract address: 0xfD408ec64Da574b1859814F810564f73ea2Ff003 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 3770435 + +****** + +*** MKR *** + +Network: localhost +tx: 0x9bfdcd29285b0fab25adf99c1fca8059bbf38cb1a9f8e59e7d3fefda8d6eb03b +contract address: 0xfD408ec64Da574b1859814F810564f73ea2Ff003 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 3770435 + +****** + +*** MintableERC20 *** + +Network: localhost +tx: 0xfd8468df934e43ccec60acba936b601c27847183c18a3f5d6535763b60e6fbaa +contract address: 0x0006F7c3542BEE76Dd887f54eD22405Ac4ae905a +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 3770555 + +****** + +*** WBTC *** + +Network: localhost +tx: 0xfd8468df934e43ccec60acba936b601c27847183c18a3f5d6535763b60e6fbaa +contract address: 0x0006F7c3542BEE76Dd887f54eD22405Ac4ae905a +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 3770555 + +****** + +*** MintableERC20 *** + +Network: localhost +tx: 0x657f63363d8df1a8b2e06a93e3c1d869b945f5970460101fed9b82bce2f0881c +contract address: 0x6ca94a51c644eca3F9CA315bcC41CbA6940A66Eb +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 3770555 + +****** + +*** LINK *** + +Network: localhost +tx: 0x657f63363d8df1a8b2e06a93e3c1d869b945f5970460101fed9b82bce2f0881c +contract address: 0x6ca94a51c644eca3F9CA315bcC41CbA6940A66Eb +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 3770555 + +****** + +*** MintableERC20 *** + +Network: localhost +tx: 0xc9eaaddbc4add294cbf0511d1f35096063ea66f9528a284cf1a8f2b69d8431b7 +contract address: 0x6765291Cab755B980F377445eFd0F9F945CDA6C4 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 3770435 + +****** + +*** KNC *** + +Network: localhost +tx: 0xc9eaaddbc4add294cbf0511d1f35096063ea66f9528a284cf1a8f2b69d8431b7 +contract address: 0x6765291Cab755B980F377445eFd0F9F945CDA6C4 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 3770435 + +****** + +*** MintableERC20 *** + +Network: localhost +tx: 0xd2a8b51e3d598379b72f199c37046a74bdea759e78edfbb651190fd3098ca038 +contract address: 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0x542ba4ab070c693dac934480a950b60c99137fe160cebe1f3092a3f5812faca3 +contract address: 0x29C059D0CB7621BA9E93467945A6336c783b2d2A +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 9499999 + +****** + +*** DefaultReserveInterestRateStrategy *** + +Network: localhost +tx: 0x09b12f7981ceff6df8f318a23dae0eb46a2a00058b209e8dfea68fd4c71df420 +contract address: 0xbB405796150960679458C9F03e7da176F7daC6d3 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 2916655 + +****** + +*** StableDebtToken *** + +Network: localhost +tx: 0x5bd0106deaac62e2bcd5ed0cf584b5e833610a736e04c95c65a98ed04cc45a73 +contract address: 0xB82b53c852eABCFd35C757119C520F382eC31390 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 6128190 + +****** + +*** VariableDebtToken *** + +Network: localhost +tx: 0x08f3c16876b91a7cc6beec71b7173ae2dcca520c860c744174f2110d52d3305d +contract address: 0x87F5639fAe81B9Ee55AAc08aE306fB92f5AB6e71 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 5650970 + +****** + +*** AToken *** + +Network: localhost +tx: 0xdb1a23da614ea9b704fe3580cc9af14889a1a26814e56b28d5cca7fbf1aada4e +contract address: 0xc86eF02EB0d1F712a2A054887a5Eab982a983C3f +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 9499999 + +****** + +*** DefaultReserveInterestRateStrategy *** + +Network: localhost +tx: 0x41f78876c9a8ba8372b2a0ef0fe7cc0b1c398a01e4bf28ef89f85b3e1dbb90ab +contract address: 0x84C055Cf6b1429f41673d04D17019276547c4af0 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 2916655 + +****** + +*** StableDebtToken *** + +Network: localhost +tx: 0x19dfde9cb5c45ea0b3586f752f80ebf9a6c02e55a6cf77a77688254ccf2541be +contract address: 0x52b733D5fA53E72E8A788419836e261b6Fa0eFC6 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 6128190 + +****** + +*** VariableDebtToken *** + +Network: localhost +tx: 0xd36fcbb46b8cb664848df13f51120b3af95a99e333d5d324e463eec1f56f10c3 +contract address: 0x5ff9A2405b72d33911853f1d0bFFC361baCE435E +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 5650970 + +****** + +*** AToken *** + +Network: localhost +tx: 0x6a864bf1910e626bfb808e92827be216bea78040f3d7f1f33b28a3e5ae18c631 +contract address: 0x9e2548EB10fC28CE3D1654BC7421808eE7092081 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 9499999 + +****** + +*** DefaultReserveInterestRateStrategy *** + +Network: localhost +tx: 0xdd6117ffb11e3390a0610eadcea4520d25543dea7214686d147c75f610adea30 +contract address: 0x792d861D3791F4Cce91798260F863110D2D9E75b +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 2916655 + +****** + +*** StableDebtToken *** + +Network: localhost +tx: 0x814b1dc18904a1ca05c5ae4c5bb68ab73fac59c48e11924d1307ab5094411cfc +contract address: 0x5488bf6d62876d141cB0Db48929679D37dB265a5 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 6128310 + +****** + +*** VariableDebtToken *** + +Network: localhost +tx: 0xb224b45f3831151e6dc6412f9205b442ec30b0bfd453589d5847faf8fa334c97 +contract address: 0x6F7ee89b972c3212452E1e58628dAf7a3b7E9c7e +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 5651090 + +****** + +*** AToken *** + +Network: localhost +tx: 0x250e2640db49570381e16d893884744d53206256dc442c74e2359374cd6c1341 +contract address: 0xe3A3fa239eE31b38E56d8136822c3af7089B5b0E +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 9499999 + +****** + +*** DefaultReserveInterestRateStrategy *** + +Network: localhost +tx: 0xb919389e36595914e6fa47a78b402550b70fa55140769091f682463caed539e4 +contract address: 0x0aB0E3A07e92E161D461deDCAEdDFef906993f84 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 2916655 + +****** + +*** StableDebtToken *** + +Network: localhost +tx: 0xfde754172191e3885aeaf871e9ec3a0e7f9e5534b038cc256fd6e2164aa1e8d9 +contract address: 0xB964CE42932638Fc51cBFc7158686EF3f56D3262 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 6128190 + +****** + +*** VariableDebtToken *** + +Network: localhost +tx: 0xf78ff3151eede55e5a3ce4e819f6ab262ac1704dd7a66f364339959c3fde919f +contract address: 0xa2203A921E4e6FeccCAbE83A19029B5200bEe779 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 5650970 + +****** + +*** AToken *** + +Network: localhost +tx: 0x097bb8c68f3ba3552eab3b0a91ee58b25d25d2573b2a71465687c068620bc8f9 +contract address: 0x61fCca5fcBEF2200C40c3e9ef555B9954035315D +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 9499999 + +****** + +*** DefaultReserveInterestRateStrategy *** + +Network: localhost +tx: 0xabdb3c57d8a1859003a9cc92b0a5d668eee974fdf18e30481d97ea0be5090e48 +contract address: 0x9DDc5C465F70b0dc78dF7cd02f52bc3d2751282a +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 2917135 + +****** + +*** StableDebtToken *** + +Network: localhost +tx: 0xff60cd11c4845d9946fa1cbd5784ad799ce4dcfe5ee4c5c137eb638bc331a001 +contract address: 0x1D2a59d3276A669d1943fc6BDF997BF697D09565 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 6128190 + +****** + +*** VariableDebtToken *** + +Network: localhost +tx: 0xe7d8bc58eaadc19908c1493ba9b320a6c0a45ac29fe7572c83466df41e1f2a98 +contract address: 0x1e3Fcd041d44C88762255E8eFda30d0Fc22FEe76 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 5650970 + +****** + +*** AToken *** + +Network: localhost +tx: 0x38c31626f6d081130717f3b145a156421844612f3c6eaafc89c4a179bf550c41 +contract address: 0x45585e87e657a54A0a0Fa25a6572217E63E5F2f7 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 9499999 + +****** + +*** DefaultReserveInterestRateStrategy *** + +Network: localhost +tx: 0x324b1818692ada5ed43f7aa74c2f7da29808c44cdc77fe14716cdc48c02ff31d +contract address: 0x4c010BA8A40e5c13Acc1E32c025c2b2aea405Dbb +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 2917135 + +****** + +*** StableDebtToken *** + +Network: localhost +tx: 0x5ccd1b76e8d2b577890fa4bedf04152628bc7480be830247eafba3d1fc08e7d9 +contract address: 0x2ca7Aa6CcCdb5D77F1c1d3E6a21fF0F7ac24C825 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 6128250 + +****** + +*** VariableDebtToken *** + +Network: localhost +tx: 0x1fbd7ae4adf29a8c8fbed413c48cbe83bfd81f2475bf87aeec7ad19496fc9624 +contract address: 0x527a346011Cd6c71973f653426Ce609fa53dd59E +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 5651030 + +****** + +*** AToken *** + +Network: localhost +tx: 0x35e4a759c6f93001aa11697082373f645f9e2d12f3c2247a9c7f8245643a8db4 +contract address: 0x3035D5D127487Ee5Df5FD951D9624a8b877A8497 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 9499999 + +****** + +*** MockFlashLoanReceiver *** + +Network: localhost +tx: 0xd7ee83594c1b864fb16cf8ff63e95b122af260df3f2b56eb643dcf004e12e507 +contract address: 0x2aE520a05B31f170a18C425a1e8626aB7Ef71984 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 1730710 + +****** + +*** WalletBalanceProvider *** + +Network: localhost +tx: 0x4043a4de9ef7fe0f601dbdcf4775c9384d2db0b4c867410cdbeb92512d647ff7 +contract address: 0xBD2244f43f7BA73eB35A64302A6D8DBf17BdF2F1 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 2512320 + +****** + +*** AaveProtocolTestHelpers *** + +Network: localhost +tx: 0xb406d28fc743855f784a865268662ed03bf4043f76d9a76fcafca2867b4e94c7 +contract address: 0x18c3e48a45839B3BbC998c70A2fD41fB8D93a35D +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 2818975 + +****** + +setup: 22.891s +Pool loaded +Configurator loaded + +*************** +Setup and snapshot finished +*************** + + AToken: Modifiers + ✓ Tries to invoke mint not being the LendingPool + ✓ Tries to invoke burn not being the LendingPool + ✓ Tries to invoke transferOnLiquidation not being the LendingPool + ✓ Tries to invoke transferUnderlyingTo not being the LendingPool + + AToken: Transfer + ✓ User 0 deposits 1000 DAI, transfers to user 1 + ✓ User 1 redirects interest to user 2, transfers 500 DAI back to user 0 + ✓ User 0 transfers back to user 1 + ✓ User 0 deposits 1 WETH and user 1 tries to borrow, but the aTokens received as a transfer are not available as collateral (revert expected) + ✓ User 1 sets the DAI as collateral and borrows, tries to transfer everything back to user 0 (revert expected) + ✓ User 0 tries to transfer 0 balance (revert expected) + ✓ User 1 repays the borrow, transfers aDAI back to user 0 + ✓ User 0 redirects interest to user 2, transfers 500 aDAI to user 1. User 1 redirects to user 3. User 0 transfers another 100 aDAI + ✓ User 1 transfers the whole amount to himself + + LendingPoolConfigurator + + 1) Deactivates the ETH reserve + ✓ Rectivates the ETH reserve + ✓ Check the onlyLendingPoolManager on deactivateReserve + ✓ Check the onlyLendingPoolManager on activateReserve + ✓ Freezes the ETH reserve + ✓ Unfreezes the ETH reserve + ✓ Check the onlyLendingPoolManager on freezeReserve + ✓ Check the onlyLendingPoolManager on unfreezeReserve + ✓ Deactivates the ETH reserve for borrowing + + 2) Activates the ETH reserve for borrowing + ✓ Check the onlyLendingPoolManager on disableBorrowingOnReserve + ✓ Check the onlyLendingPoolManager on enableBorrowingOnReserve + ✓ Deactivates the ETH reserve as collateral + ✓ Activates the ETH reserve as collateral + ✓ Check the onlyLendingPoolManager on disableReserveAsCollateral + ✓ Check the onlyLendingPoolManager on enableReserveAsCollateral + ✓ Disable stable borrow rate on the ETH reserve + ✓ Enables stable borrow rate on the ETH reserve + ✓ Check the onlyLendingPoolManager on disableReserveStableRate + ✓ Check the onlyLendingPoolManager on enableReserveStableRate + ✓ Changes LTV of the reserve + ✓ Check the onlyLendingPoolManager on setLtv + ✓ Changes liquidation threshold of the reserve + ✓ Check the onlyLendingPoolManager on setLiquidationThreshold + ✓ Changes liquidation bonus of the reserve + ✓ Check the onlyLendingPoolManager on setLiquidationBonus + ✓ Check the onlyLendingPoolManager on setReserveDecimals + ✓ Check the onlyLendingPoolManager on setLiquidationBonus + ✓ Reverts when trying to disable the DAI reserve with liquidity on it + + LendingPool FlashLoan function + ✓ Deposits ETH into the reserve + + 3) Takes ETH flashloan, returns the funds correctly +Total liquidity is 2000720000285388128 + + 4) Takes an ETH flashloan as big as the available liquidity + ✓ Takes WETH flashloan, does not return the funds (revert expected) + ✓ tries to take a very small flashloan, which would result in 0 fees (revert expected) + ✓ tries to take a flashloan that is bigger than the available liquidity (revert expected) + ✓ tries to take a flashloan using a non contract address as receiver (revert expected) + ✓ Deposits DAI into the reserve + + 5) Takes out a 500 DAI flashloan, returns the funds correctly + ✓ Takes out a 500 DAI flashloan, does not return the funds (revert expected) + + LendingPoolAddressesProvider + ✓ Test the accessibility of the LendingPoolAddressesProvider + + LendingPool liquidation - liquidator receiving aToken + + 6) LIQUIDATION - Deposits WETH, borrows DAI/Check liquidation fails because health factor is above 1 + + 7) LIQUIDATION - Drop the health factor below 1 + + 8) LIQUIDATION - Tries to liquidate a different currency than the loan principal + + 9) LIQUIDATION - Tries to liquidate a different collateral than the borrower collateral + + 10) LIQUIDATION - Liquidates the borrow + + 11) User 3 deposits 1000 USDC, user 4 1 WETH, user 4 borrows - drops HF, liquidates the borrow + + LendingPool liquidation - liquidator receiving the underlying asset + + 12) LIQUIDATION - Deposits WETH, borrows DAI + + 13) LIQUIDATION - Drop the health factor below 1 + + 14) LIQUIDATION - Liquidates the borrow + + 15) User 3 deposits 1000 USDC, user 4 1 WETH, user 4 borrows - drops HF, liquidates the borrow + + 16) User 4 deposits 1000 LEND - drops HF, liquidates the LEND, which results on a lower amount being liquidated + + LendingPool: Borrow negatives (reverts) + ✓ User 0 deposits 1000 DAI, user 1 deposits 1 WETH as collateral and tries to borrow 100 DAI with rate mode NONE (revert expected) + ✓ User 0 deposits 1000 DAI, user 1 deposits 1 WETH as collateral and tries to borrow 100 DAI with an invalid rate mode (revert expected) + + LendingPool: Borrow/repay (stable rate) + + 17) User 0 deposits 1000 DAI, user 1 deposits 1 WETH as collateral and borrows 100 DAI at stable rate + ✓ User 1 tries to borrow the rest of the DAI liquidity (revert expected) + + 18) User 1 repays the half of the DAI borrow after one year + + 19) User 1 repays the rest of the DAI borrow after one year + ✓ User 0 withdraws the deposited DAI plus interest + + 20) User 1 deposits 1000 DAI, user 2 tries to borrow 1000 DAI at a stable rate without any collateral (revert expected) + + 21) User 0 deposits 1000 DAI, user 1,2,3,4 deposit 1 WETH each and borrow 100 DAI at stable rate. Everything is repaid, user 0 withdraws + ✓ User 0 deposits 1000 DAI, user 1 deposits 2 WETH and borrow 100 DAI at stable rate first, then 100 DAI at variable rate, repays everything. User 0 withdraws + + LendingPool: Borrow/repay (variable rate) + ✓ User 2 deposits 1 DAI to account for rounding errors + ✓ User 0 deposits 1000 DAI, user 1 deposits 1 WETH as collateral and borrows 100 DAI at variable rate + ✓ User 1 tries to borrow the rest of the DAI liquidity (revert expected) + ✓ User 1 tries to repay 0 DAI (revert expected) + ✓ User 1 repays a small amount of DAI, enough to cover a small part of the interest + ✓ User 1 repays the DAI borrow after one year + ✓ User 0 withdraws the deposited DAI plus interest + ✓ User 1 withdraws the collateral + ✓ User 2 deposits a small amount of WETH to account for rounding errors + ✓ User 0 deposits 1 WETH, user 1 deposits 100 LINK as collateral and borrows 0.5 ETH at variable rate + ✓ User 1 tries to repay 0 ETH + ✓ User 2 tries to repay everything on behalf of user 1 using uint(-1) (revert expected) + ✓ User 3 repays a small amount of WETH on behalf of user 1 + ✓ User 1 repays the WETH borrow after one year + ✓ User 0 withdraws the deposited WETH plus interest + ✓ User 1 withdraws the collateral + ✓ User 2 deposits 1 USDC to account for rounding errors + ✓ User 0 deposits 1000 USDC, user 1 deposits 1 WETH as collateral and borrows 100 USDC at variable rate + + 22) User 1 tries to borrow the rest of the USDC liquidity (revert expected) + ✓ User 1 repays the USDC borrow after one year + ✓ User 0 withdraws the deposited USDC plus interest + ✓ User 1 withdraws the collateral + + 23) User 1 deposits 1000 DAI, user 3 tries to borrow 1000 DAI without any collateral (revert expected) + + 24) user 3 deposits 0.1 ETH collateral to borrow 100 DAI; 0.1 ETH is not enough to borrow 100 DAI (revert expected) + ✓ user 3 withdraws the 0.1 ETH + ✓ User 1 deposits 1000 USDC, user 3 tries to borrow 1000 USDC without any collateral (revert expected) + + 25) user 3 deposits 0.1 ETH collateral to borrow 100 USDC; 0.1 ETH is not enough to borrow 100 USDC (revert expected) + ✓ user 3 withdraws the 0.1 ETH + + 26) User 0 deposits 1000 DAI, user 6 deposits 2 WETH and borrow 100 DAI at variable rate first, then 100 DAI at stable rate, repays everything. User 0 withdraws + + LendingPool: Deposit + ✓ User 0 Deposits 1000 DAI in an empty reserve + ✓ User 1 deposits 1000 DAI after user 1 + ✓ User 0 deposits 1000 USDC in an empty reserve + ✓ User 1 deposits 1000 USDC after user 0 + ✓ User 0 deposits 1 WETH in an empty reserve + ✓ User 1 deposits 1 WETH after user 0 + ✓ User 1 deposits 0 ETH (revert expected) + ✓ User 1 deposits 0 DAI + + AToken: interest rate redirection negative test cases + ✓ User 0 deposits 1000 DAI, tries to give allowance to redirect interest to himself (revert expected) + ✓ User 1 tries to redirect the interest of user 0 without allowance (revert expected) + + 27) User 0 tries to redirect the interest to user 2 twice (revert expected) + + 28) User 3 with 0 balance tries to redirect the interest to user 2 (revert expected) + + AToken: interest rate redirection + + 29) User 0 deposits 1000 DAI, redirects the interest to user 2 + ✓ User 1 deposits 1 ETH, borrows 100 DAI, repays after one year. Users 0 deposits another 1000 DAI. Redirected balance of user 2 is updated + + 30) User 1 borrows another 100 DAI, repay the whole amount. Users 0 and User 2 withdraw + + 31) User 0 deposits 1000 DAI, redirects interest to user 2, user 1 borrows 100 DAI. After one year, user 0 redirects interest back to himself, user 1 borrows another 100 DAI and after another year repays the whole amount. Users 0 and User 2 withdraw + + 32) User 0 deposits 1000 DAI, redirects interest to user 2, user 1 borrows 100 DAI. After one year, user 2 redirects interest to user 3. user 1 borrows another 100 DAI, user 0 deposits another 100 DAI. User 1 repays the whole amount. Users 0, 2 first 1 DAI, then everything. User 3 withdraws + + LendingPool: Rebalance stable rate + ✓ User 0 tries to rebalance user 1 who has no borrows in progress (revert expected) + ✓ User 0 deposits 1000 DAI, user 1 deposits 1 ETH, borrows 100 DAI at a variable rate, user 0 rebalances user 1 (revert expected) + + 33) User 1 swaps to stable, user 0 tries to rebalance but the conditions are not met (revert expected) + + 34) User 2 deposits ETH and borrows the remaining DAI, causing the stable rates to rise (liquidity rate < user 1 borrow rate). User 0 tries to rebalance user 1 (revert expected) + + 35) User 2 borrows more DAI, causing the liquidity rate to rise above user 1 stable borrow rate User 0 rebalances user 1 + + LendingPool: Usage as collateral + ✓ User 0 Deposits 1000 DAI, disables DAI as collateral + + 36) User 1 Deposits 2 ETH, disables ETH as collateral, borrows 400 DAI (revert expected) + ✓ User 1 enables ETH as collateral, borrows 400 DAI + + 37) User 1 disables ETH as collateral (revert expected) + + LendingPool: Swap rate mode + ✓ User 0 tries to swap rate mode without any variable rate loan in progress (revert expected) + ✓ User 0 tries to swap rate mode without any stable rate loan in progress (revert expected) + + 38) User 0 deposits 1000 DAI, user 1 deposits 2 ETH as collateral, borrows 100 DAI at variable rate and swaps to stable after one year + + 39) User 1 borrows another 100 DAI, and swaps back to variable after one year, repays the loan + + LendingPool: Redeem negative test cases + ✓ Users 0 Deposits 1000 DAI and tries to redeem 0 DAI (revert expected) + + 40) Users 0 tries to redeem 1100 DAI from the 1000 DAI deposited (revert expected) + + 41) Users 1 deposits 1 WETH, borrows 100 DAI, tries to redeem the 1 WETH deposited (revert expected) + + LendingPool: withdraw + ✓ User 0 Deposits 1000 DAI in an empty reserve + ✓ User 0 withdraws half of the deposited DAI + ✓ User 0 withdraws remaining half of the deposited DAI + ✓ User 0 Deposits 1000 USDC in an empty reserve + ✓ User 0 withdraws half of the deposited USDC + ✓ User 0 withdraws remaining half of the deposited USDC + ✓ User 0 Deposits 1 WETH in an empty reserve + ✓ User 0 withdraws half of the deposited ETH + ✓ User 0 withdraws remaining half of the deposited ETH + + 42) Users 0 and 1 Deposit 1000 DAI, both withdraw + ✓ Users 0 deposits 1000 DAI, user 1 Deposit 1000 USDC and 1 WETH, borrows 100 DAI. User 1 tries to withdraw all the USDC + + Stable debt token tests + ✓ Tries to invoke mint not being the LendingPool + ✓ Tries to invoke burn not being the LendingPool + + Upgradeability +*** MockAToken *** + +Network: localhost +tx: 0xf94ff11f88ae61a553703ac61194b377d10db1eeb62a2ae4fc9200b2d3ac5ffe +contract address: 0xAA6DfC2A802857Fadb75726B6166484e2c011cf5 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 9499999 + +****** + +*** MockStableDebtToken *** + +Network: localhost +tx: 0x3f3fdd7645e067ef432956779e204f2b173baf87472e497c9673201c790e5543 +contract address: 0xFd23fD3d937ae73a7b545B8Bfeb218395bDe9b8f +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 6331580 + +****** + +*** MockVariableDebtToken *** + +Network: localhost +tx: 0xb17942d4f535a6fe4d349c74c5a480354d3c07565a0e8f10f05706dec1c59fcd +contract address: 0xEe821582b591CE5e4a9B7fFc4E2DAD47D3759C08 +deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 +gas price: 8000000000 +gas used: 5854360 + +****** + + ✓ Tries to update the DAI Atoken implementation with a different address than the lendingPoolManager + ✓ Upgrades the DAI Atoken implementation + ✓ Tries to update the DAI Stable debt token implementation with a different address than the lendingPoolManager + ✓ Upgrades the DAI stable debt token implementation + ✓ Tries to update the DAI variable debt token implementation with a different address than the lendingPoolManager + ✓ Upgrades the DAI variable debt token implementation + + Variable debt token tests + ✓ Tries to invoke mint not being the LendingPool + ✓ Tries to invoke burn not being the LendingPool + +·------------------------------------------------------------------|---------------------------|-------------|-----------------------------· +| Solc version: 0.6.8 · Optimizer enabled: true · Runs: 200 · Block limit: 10000000 gas │ +···································································|···························|·············|······························ +| Methods │ +·································|·································|·············|·············|·············|···············|·············· +| Contract · Method · Min · Max · Avg · # calls · eur (avg) │ +·································|·································|·············|·············|·············|···············|·············· +| LendingPool · borrow · 310996 · 390411 · 342303 · 16 · - │ +·································|·································|·············|·············|·············|···············|·············· +| LendingPool · deposit · 163326 · 301355 · 211548 · 63 · - │ +·································|·································|·············|·············|·············|···············|·············· +| LendingPool · flashLoan · 127473 · 127485 · 127479 · 2 · - │ +·································|·································|·············|·············|·············|···············|·············· +| LendingPool · repay · 119550 · 218726 · 174340 · 12 · - │ +·································|·································|·············|·············|·············|···············|·············· +| LendingPool · setUserUseReserveAsCollateral · 83143 · 202731 · 134228 · 5 · - │ +·································|·································|·············|·············|·············|···············|·············· +| LendingPool · swapBorrowRateMode · - · - · 167109 · 1 · - │ +·································|·································|·············|·············|·············|···············|·············· +| LendingPool · withdraw · 165643 · 336106 · 226426 · 32 · - │ +·································|·································|·············|·············|·············|···············|·············· +| LendingPoolAddressesProvider · transferOwnership · - · - · 30839 · 1 · - │ +·································|·································|·············|·············|·············|···············|·············· +| LendingPoolConfigurator · activateReserve · - · - · 46817 · 4 · - │ +·································|·································|·············|·············|·············|···············|·············· +| LendingPoolConfigurator · disableBorrowingOnReserve · - · - · 50983 · 1 · - │ +·································|·································|·············|·············|·············|···············|·············· +| LendingPoolConfigurator · disableReserveAsCollateral · - · - · 50919 · 2 · - │ +·································|·································|·············|·············|·············|···············|·············· +| LendingPoolConfigurator · disableReserveStableRate · - · - · 51048 · 2 · - │ +·································|·································|·············|·············|·············|···············|·············· +| LendingPoolConfigurator · enableBorrowingOnReserve · - · - · 51559 · 3 · - │ +·································|·································|·············|·············|·············|···············|·············· +| LendingPoolConfigurator · enableReserveAsCollateral · - · - · 52408 · 4 · - │ +·································|·································|·············|·············|·············|···············|·············· +| LendingPoolConfigurator · enableReserveStableRate · - · - · 50928 · 4 · - │ +·································|·································|·············|·············|·············|···············|·············· +| LendingPoolConfigurator · freezeReserve · - · - · 50963 · 2 · - │ +·································|·································|·············|·············|·············|···············|·············· +| LendingPoolConfigurator · setLiquidationBonus · - · - · 51240 · 5 · - │ +·································|·································|·············|·············|·············|···············|·············· +| LendingPoolConfigurator · setLiquidationThreshold · - · - · 51241 · 3 · - │ +·································|·································|·············|·············|·············|···············|·············· +| LendingPoolConfigurator · setLtv · - · - · 51269 · 3 · - │ +·································|·································|·············|·············|·············|···············|·············· +| LendingPoolConfigurator · unfreezeReserve · - · - · 51026 · 4 · - │ +·································|·································|·············|·············|·············|···············|·············· +| LendingPoolConfigurator · updateAToken · - · - · 140669 · 3 · - │ +·································|·································|·············|·············|·············|···············|·············· +| LendingPoolConfigurator · updateStableDebtToken · - · - · 140932 · 3 · - │ +·································|·································|·············|·············|·············|···············|·············· +| LendingPoolConfigurator · updateVariableDebtToken · - · - · 140901 · 3 · - │ +·································|·································|·············|·············|·············|···············|·············· +| MintableERC20 · approve · 24907 · 44119 · 32449 · 47 · - │ +·································|·································|·············|·············|·············|···············|·············· +| MintableERC20 · mint · 35427 · 65475 · 40972 · 49 · - │ +·································|·································|·············|·············|·············|···············|·············· +| MintableERC20 · transfer · 138351 · 219471 · 178116 · 13 · - │ +·································|·································|·············|·············|·············|···············|·············· +| MockAToken · redirectInterestStream · 124867 · 144079 · 137671 · 3 · - │ +·································|·································|·············|·············|·············|···············|·············· +| MockFlashLoanReceiver · setFailExecutionTransfer · - · - · 42239 · 7 · - │ +·································|·································|·············|·············|·············|···············|·············· +| Deployments · · % of limit · │ +···································································|·············|·············|·············|···············|·············· +| MockVariableDebtToken · - · - · 1170872 · 11.7 % · - │ +···································································|·············|·············|·············|···············|·············· +| ValidationLogic · - · - · 1631264 · 16.3 % · - │ +·------------------------------------------------------------------|-------------|-------------|-------------|---------------|-------------· + + 115 passing (4m) + 42 failing + + 1) LendingPoolConfigurator + Deactivates the ETH reserve: + Error: VM Exception while processing transaction: revert The liquidity of the reserve needs to be 0 + at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) + at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) + at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) + at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) + at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) + at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) + at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + 2) LendingPoolConfigurator + Activates the ETH reserve for borrowing: + + AssertionError: expected '1000000000951293759814590868' to equal '1000000000000000000000000000' + + expected - actual + + -1000000000951293759814590868 + +1000000000000000000000000000 + + at /src/test/configurator.spec.ts:86:50 + at step (test/configurator.spec.ts:33:23) + at Object.next (test/configurator.spec.ts:14:53) + at fulfilled (test/configurator.spec.ts:5:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + 3) LendingPool FlashLoan function + Takes ETH flashloan, returns the funds correctly: + + AssertionError: expected '2000720000285388128' to equal '1000720000000000000' + + expected - actual + + -2000720000285388128 + +1000720000000000000 + + at /src/test/flashloan.spec.ts:54:45 + at step (test/flashloan.spec.ts:33:23) + at Object.next (test/flashloan.spec.ts:14:53) + at fulfilled (test/flashloan.spec.ts:5:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + 4) LendingPool FlashLoan function + Takes an ETH flashloan as big as the available liquidity: + + AssertionError: expected '2001620648285388128' to equal '1001620648000000000' + + expected - actual + + -2001620648285388128 + +1001620648000000000 + + at /src/test/flashloan.spec.ts:82:45 + at step (test/flashloan.spec.ts:33:23) + at Object.next (test/flashloan.spec.ts:14:53) + at fulfilled (test/flashloan.spec.ts:5:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + 5) LendingPool FlashLoan function + Takes out a 500 DAI flashloan, returns the funds correctly: + AssertionError: Expected "3000450000000000000000" to be equal 1000450000000000000000 + at /src/test/flashloan.spec.ts:175:34 + at step (test/flashloan.spec.ts:33:23) + at Object.next (test/flashloan.spec.ts:14:53) + at fulfilled (test/flashloan.spec.ts:5:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + 6) LendingPool liquidation - liquidator receiving aToken + LIQUIDATION - Deposits WETH, borrows DAI/Check liquidation fails because health factor is above 1: + + AssertionError: expected '5534' to equal '8000' + + expected - actual + + -5534 + +8000 + + at /src/test/liquidation-atoken.spec.ts:66:88 + at step (test/liquidation-atoken.spec.ts:33:23) + at Object.next (test/liquidation-atoken.spec.ts:14:53) + at fulfilled (test/liquidation-atoken.spec.ts:5:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + 7) LendingPool liquidation - liquidator receiving aToken + LIQUIDATION - Drop the health factor below 1: + + AssertionError: expected '1125536573927102016' to be less than '1000000000000000000' + + expected - actual + + -1125536573927102016 + +1000000000000000000 + + at /src/test/liquidation-atoken.spec.ts:90:68 + at step (test/liquidation-atoken.spec.ts:33:23) + at Object.next (test/liquidation-atoken.spec.ts:14:53) + at fulfilled (test/liquidation-atoken.spec.ts:5:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + 8) LendingPool liquidation - liquidator receiving aToken + LIQUIDATION - Tries to liquidate a different currency than the loan principal: + AssertionError: Expected transaction to be reverted with User did not borrow the specified currency, but other exception was thrown: Error: VM Exception while processing transaction: revert Health factor is not below the threshold + + + 9) LendingPool liquidation - liquidator receiving aToken + LIQUIDATION - Tries to liquidate a different collateral than the borrower collateral: + AssertionError: Expected transaction to be reverted with The collateral chosen cannot be liquidated, but other exception was thrown: Error: VM Exception while processing transaction: revert Health factor is not below the threshold + + + 10) LendingPool liquidation - liquidator receiving aToken + LIQUIDATION - Liquidates the borrow: + Error: VM Exception while processing transaction: revert Health factor is not below the threshold + at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) + at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) + at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) + at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) + at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) + at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) + at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + 11) LendingPool liquidation - liquidator receiving aToken + User 3 deposits 1000 USDC, user 4 1 WETH, user 4 borrows - drops HF, liquidates the borrow: + Error: VM Exception while processing transaction: revert SafeMath: division by zero + at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) + at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) + at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) + at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) + at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) + at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) + at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + 12) LendingPool liquidation - liquidator receiving the underlying asset + LIQUIDATION - Deposits WETH, borrows DAI: + + AssertionError: expected '4513' to equal '8000' + + expected - actual + + -4513 + +8000 + + at /src/test/liquidation-underlying.spec.ts:68:88 + at step (test/liquidation-underlying.spec.ts:33:23) + at Object.next (test/liquidation-underlying.spec.ts:14:53) + at fulfilled (test/liquidation-underlying.spec.ts:5:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + 13) LendingPool liquidation - liquidator receiving the underlying asset + LIQUIDATION - Drop the health factor below 1: + + AssertionError: expected '1072938234852519524' to be less than '1000000000000000000' + + expected - actual + + -1072938234852519524 + +1000000000000000000 + + at /src/test/liquidation-underlying.spec.ts:87:68 + at step (test/liquidation-underlying.spec.ts:33:23) + at Object.next (test/liquidation-underlying.spec.ts:14:53) + at fulfilled (test/liquidation-underlying.spec.ts:5:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + 14) LendingPool liquidation - liquidator receiving the underlying asset + LIQUIDATION - Liquidates the borrow: + Error: VM Exception while processing transaction: revert Health factor is not below the threshold + at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) + at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) + at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) + at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) + at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) + at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) + at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + 15) LendingPool liquidation - liquidator receiving the underlying asset + User 3 deposits 1000 USDC, user 4 1 WETH, user 4 borrows - drops HF, liquidates the borrow: + Error: VM Exception while processing transaction: revert Health factor is not below the threshold + at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) + at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) + at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) + at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) + at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) + at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) + at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + 16) LendingPool liquidation - liquidator receiving the underlying asset + User 4 deposits 1000 LEND - drops HF, liquidates the LEND, which results on a lower amount being liquidated: + Error: VM Exception while processing transaction: revert Health factor is not below the threshold + at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) + at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) + at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) + at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) + at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) + at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) + at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + 17) LendingPool: Borrow/repay (stable rate) + User 0 deposits 1000 DAI, user 1 deposits 1 WETH as collateral and borrows 100 DAI at stable rate: + Error: VM Exception while processing transaction: revert There is not enough collateral to cover a new borrow + at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) + at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) + at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) + at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) + at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) + at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) + at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + 18) LendingPool: Borrow/repay (stable rate) + User 1 repays the half of the DAI borrow after one year: + + AssertionError: expected '53496990783534834930102816' to be almost equal or equal '49997187848791270690420682' for property utilizationRate + + expected - actual + + -53496990783534834930102816 + +49997187848791270690420682 + + at expectEqual (test/helpers/actions.ts:806:26) + at /src/test/helpers/actions.ts:446:5 + at step (test/helpers/actions.ts:33:23) + at Object.next (test/helpers/actions.ts:14:53) + at fulfilled (test/helpers/actions.ts:5:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + 19) LendingPool: Borrow/repay (stable rate) + User 1 repays the rest of the DAI borrow after one year: + Error: VM Exception while processing transaction: revert 16 + at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) + at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) + at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) + at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) + at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) + at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) + at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + 20) LendingPool: Borrow/repay (stable rate) + User 1 deposits 1000 DAI, user 2 tries to borrow 1000 DAI at a stable rate without any collateral (revert expected): + + AssertionError: expected '0' to be almost equal or equal '428000013222681762110' for property principalStableDebt + + expected - actual + + -0 + +428000013222681762110 + + at expectEqual (test/helpers/actions.ts:806:26) + at /src/test/helpers/actions.ts:189:5 + at step (test/helpers/actions.ts:33:23) + at Object.next (test/helpers/actions.ts:14:53) + at fulfilled (test/helpers/actions.ts:5:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + 21) LendingPool: Borrow/repay (stable rate) + User 0 deposits 1000 DAI, user 1,2,3,4 deposit 1 WETH each and borrow 100 DAI at stable rate. Everything is repaid, user 0 withdraws: + Error: VM Exception while processing transaction: revert There is not enough collateral to cover a new borrow + at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) + at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) + at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) + at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) + at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) + at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) + at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + 22) LendingPool: Borrow/repay (variable rate) + User 1 tries to borrow the rest of the USDC liquidity (revert expected): + + AssertionError: There is not enough collateral to cover a new borrow: Expected transaction to be reverted + + expected - actual + + -Transaction NOT reverted. + +Transaction reverted. + + + + 23) LendingPool: Borrow/repay (variable rate) + User 1 deposits 1000 DAI, user 3 tries to borrow 1000 DAI without any collateral (revert expected): + + AssertionError: The collateral balance is 0: Expected transaction to be reverted + + expected - actual + + -Transaction NOT reverted. + +Transaction reverted. + + + + 24) LendingPool: Borrow/repay (variable rate) + user 3 deposits 0.1 ETH collateral to borrow 100 DAI; 0.1 ETH is not enough to borrow 100 DAI (revert expected): + + AssertionError: There is not enough collateral to cover a new borrow: Expected transaction to be reverted + + expected - actual + + -Transaction NOT reverted. + +Transaction reverted. + + + + 25) LendingPool: Borrow/repay (variable rate) + user 3 deposits 0.1 ETH collateral to borrow 100 USDC; 0.1 ETH is not enough to borrow 100 USDC (revert expected): + + AssertionError: There is not enough collateral to cover a new borrow: Expected transaction to be reverted + + expected - actual + + -Transaction NOT reverted. + +Transaction reverted. + + + + 26) LendingPool: Borrow/repay (variable rate) + User 0 deposits 1000 DAI, user 6 deposits 2 WETH and borrow 100 DAI at variable rate first, then 100 DAI at stable rate, repays everything. User 0 withdraws: + Error: VM Exception while processing transaction: revert There is not enough collateral to cover a new borrow + at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) + at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) + at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) + at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) + at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) + at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) + at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + 27) AToken: interest rate redirection negative test cases + User 0 tries to redirect the interest to user 2 twice (revert expected): + + AssertionError: expected '3000000004666017561994' to be almost equal or equal '3000002809866499332595' for property redirectionAddressRedirectedBalance + + expected - actual + + -3000000004666017561994 + +3000002809866499332595 + + at expectEqual (test/helpers/actions.ts:806:26) + at /src/test/helpers/actions.ts:692:5 + at step (test/helpers/actions.ts:33:23) + at Object.next (test/helpers/actions.ts:14:53) + at fulfilled (test/helpers/actions.ts:5:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + 28) AToken: interest rate redirection negative test cases + User 3 with 0 balance tries to redirect the interest to user 2 (revert expected): + + AssertionError: Interest stream can only be redirected if there is a valid balance: Expected transaction to be reverted + + expected - actual + + -Transaction NOT reverted. + +Transaction reverted. + + + + 29) AToken: interest rate redirection + User 0 deposits 1000 DAI, redirects the interest to user 2: + Error: VM Exception while processing transaction: revert Interest is already redirected to the user + at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) + at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) + at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) + at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) + at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) + at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) + at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + 30) AToken: interest rate redirection + User 1 borrows another 100 DAI, repay the whole amount. Users 0 and User 2 withdraw: + + AssertionError: expected '1018781912658889894052315977' to be almost equal or equal '1018781912797584526993908257' for property currentATokenUserIndex + + expected - actual + + -1018781912658889894052315977 + +1018781912797584526993908257 + + at expectEqual (test/helpers/actions.ts:806:26) + at /src/test/helpers/actions.ts:267:5 + at step (test/helpers/actions.ts:33:23) + at Object.next (test/helpers/actions.ts:14:53) + at fulfilled (test/helpers/actions.ts:5:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + 31) AToken: interest rate redirection + User 0 deposits 1000 DAI, redirects interest to user 2, user 1 borrows 100 DAI. After one year, user 0 redirects interest back to himself, user 1 borrows another 100 DAI and after another year repays the whole amount. Users 0 and User 2 withdraw: + + AssertionError: expected '1020673495374568972552' to be almost equal or equal '1020673495380218720173' for property redirectionAddressRedirectedBalance + + expected - actual + + -1020673495374568972552 + +1020673495380218720173 + + at expectEqual (test/helpers/actions.ts:806:26) + at /src/test/helpers/actions.ts:692:5 + at step (test/helpers/actions.ts:33:23) + at Object.next (test/helpers/actions.ts:14:53) + at fulfilled (test/helpers/actions.ts:5:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + 32) AToken: interest rate redirection + User 0 deposits 1000 DAI, redirects interest to user 2, user 1 borrows 100 DAI. After one year, user 2 redirects interest to user 3. user 1 borrows another 100 DAI, user 0 deposits another 100 DAI. User 1 repays the whole amount. Users 0, 2 first 1 DAI, then everything. User 3 withdraws: + Error: VM Exception while processing transaction: revert Interest is already redirected to the user + at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) + at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) + at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) + at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) + at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) + at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) + at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + 33) LendingPool: Rebalance stable rate + User 1 swaps to stable, user 0 tries to rebalance but the conditions are not met (revert expected): + Error: VM Exception while processing transaction: revert 12 + at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) + at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) + at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) + at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) + at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) + at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) + at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + 34) LendingPool: Rebalance stable rate + User 2 deposits ETH and borrows the remaining DAI, causing the stable rates to rise (liquidity rate < user 1 borrow rate). User 0 tries to rebalance user 1 (revert expected): + Error: VM Exception while processing transaction: revert There is not enough collateral to cover a new borrow + at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) + at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) + at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) + at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) + at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) + at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) + at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + 35) LendingPool: Rebalance stable rate + User 2 borrows more DAI, causing the liquidity rate to rise above user 1 stable borrow rate User 0 rebalances user 1: + Error: VM Exception while processing transaction: revert There is not enough collateral to cover a new borrow + at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) + at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) + at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) + at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) + at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) + at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) + at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + 36) LendingPool: Usage as collateral + User 1 Deposits 2 ETH, disables ETH as collateral, borrows 400 DAI (revert expected): + + AssertionError: The collateral balance is 0: Expected transaction to be reverted + + expected - actual + + -Transaction NOT reverted. + +Transaction reverted. + + + + 37) LendingPool: Usage as collateral + User 1 disables ETH as collateral (revert expected): + + AssertionError: User deposit is already being used as collateral: Expected transaction to be reverted + + expected - actual + + -Transaction NOT reverted. + +Transaction reverted. + + + + 38) LendingPool: Swap rate mode + User 0 deposits 1000 DAI, user 1 deposits 2 ETH as collateral, borrows 100 DAI at variable rate and swaps to stable after one year: + Error: VM Exception while processing transaction: revert 12 + at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) + at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 + at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) + at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) + at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) + at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) + at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) + at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) + at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + 39) LendingPool: Swap rate mode + User 1 borrows another 100 DAI, and swaps back to variable after one year, repays the loan: + + AssertionError: expected '10698732000442685488829' to be almost equal or equal '10652337619880722614595' for property totalLiquidity + + expected - actual + + -10698732000442685488829 + +10652337619880722614595 + + at expectEqual (test/helpers/actions.ts:806:26) + at /src/test/helpers/actions.ts:571:5 + at step (test/helpers/actions.ts:33:23) + at Object.next (test/helpers/actions.ts:14:53) + at fulfilled (test/helpers/actions.ts:5:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + 40) LendingPool: Redeem negative test cases + Users 0 tries to redeem 1100 DAI from the 1000 DAI deposited (revert expected): + + AssertionError: User cannot redeem more than the available balance: Expected transaction to be reverted + + expected - actual + + -Transaction NOT reverted. + +Transaction reverted. + + + + 41) LendingPool: Redeem negative test cases + Users 1 deposits 1 WETH, borrows 100 DAI, tries to redeem the 1 WETH deposited (revert expected): + + AssertionError: Transfer cannot be allowed.: Expected transaction to be reverted + + expected - actual + + -Transaction NOT reverted. + +Transaction reverted. + + + + 42) LendingPool: withdraw + Users 0 and 1 Deposit 1000 DAI, both withdraw: + + AssertionError: expected '100000000000000000000' to be almost equal or equal '1156444960439594400554' for property principalStableDebt + + expected - actual + + -100000000000000000000 + +1156444960439594400554 + + at expectEqual (test/helpers/actions.ts:806:26) + at /src/test/helpers/actions.ts:189:5 + at step (test/helpers/actions.ts:33:23) + at Object.next (test/helpers/actions.ts:14:53) + at fulfilled (test/helpers/actions.ts:5:58) + at runMicrotasks () + at processTicksAndRejections (internal/process/task_queues.js:97:5) + + + From e04d1881a18882640bb843bc832c89b0f6b1a9b7 Mon Sep 17 00:00:00 2001 From: The3D Date: Sun, 23 Aug 2020 18:42:15 +0200 Subject: [PATCH 05/17] Removed tests logfile --- tests.log | 2750 ----------------------------------------------------- 1 file changed, 2750 deletions(-) delete mode 100644 tests.log diff --git a/tests.log b/tests.log deleted file mode 100644 index 7b538da2..00000000 --- a/tests.log +++ /dev/null @@ -1,2750 +0,0 @@ -Compiling... - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -Compiled 68 contracts successfully - --> Deploying test environment... -*** MintableERC20 *** - -Network: localhost -tx: 0xb693d33edf5fb2e4adf9cfacde9abe07350ef8327c3fabe93d99e0428ccc53fd -contract address: 0x11df1AF606b85226Ab9a8B1FDa90395298e7494F -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 3770435 - -****** - -*** DAI *** - -Network: localhost -tx: 0xb693d33edf5fb2e4adf9cfacde9abe07350ef8327c3fabe93d99e0428ccc53fd -contract address: 0x11df1AF606b85226Ab9a8B1FDa90395298e7494F -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 3770435 - -****** - -*** MintableERC20 *** - -Network: localhost -tx: 0xd445dfad2e65e07cf8c9f31b3fed0755d619544067ba4d63b5d78f3d25664fa4 -contract address: 0x8f9A92c125FFEb83d8eC808Cd9f8cb80084c1E37 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 3770555 - -****** - -*** LEND *** - -Network: localhost -tx: 0xd445dfad2e65e07cf8c9f31b3fed0755d619544067ba4d63b5d78f3d25664fa4 -contract address: 0x8f9A92c125FFEb83d8eC808Cd9f8cb80084c1E37 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 3770555 - -****** - -*** MintableERC20 *** - -Network: localhost -tx: 0xb44d3bbdb2704e5ab272306e60f99af93fcce9ecdf14a5a303daacea79c3408b -contract address: 0xc4007844AE6bBe168cE8D692C86a7A4414FBcD26 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 3770555 - -****** - -*** TUSD *** - -Network: localhost -tx: 0xb44d3bbdb2704e5ab272306e60f99af93fcce9ecdf14a5a303daacea79c3408b -contract address: 0xc4007844AE6bBe168cE8D692C86a7A4414FBcD26 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 3770555 - -****** - -*** MintableERC20 *** - -Network: localhost -tx: 0x34b1370e38c3f89c4356ede4b3ee647790dc31a6c905ca7838b50c396a77fcea -contract address: 0xAb768C858C33DfcB6651d1174AFb750433a87Be0 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 3770435 - -****** - -*** BAT *** - -Network: localhost -tx: 0x34b1370e38c3f89c4356ede4b3ee647790dc31a6c905ca7838b50c396a77fcea -contract address: 0xAb768C858C33DfcB6651d1174AFb750433a87Be0 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 3770435 - -****** - -*** MintableERC20 *** - -Network: localhost -tx: 0x514141c9d33ef8322ceb061e23a1295802aa5598e2946b639cc1f6c6b3d4edc7 -contract address: 0x2cc20bE530F92865c2ed8CeD0b020a11bFe62Fe7 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 3770555 - -****** - -*** WETH *** - -Network: localhost -tx: 0x514141c9d33ef8322ceb061e23a1295802aa5598e2946b639cc1f6c6b3d4edc7 -contract address: 0x2cc20bE530F92865c2ed8CeD0b020a11bFe62Fe7 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 3770555 - -****** - -*** MintableERC20 *** - -Network: localhost -tx: 0xd9646f0608c0da17edef8a6e4cd023a6863ce240164f698d9313e70fdd3c7e1f -contract address: 0xA089557D64DAE4b4FcB65aB7C8A520AABb213e37 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 3770555 - 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-****** - -*** MockAggregator *** - -Network: localhost -tx: 0x976b29e38f1b052805164a337b21f451cbfb2328b8951882e527b8d51894310b -contract address: 0x08c4284C1645529732466fd9c322a8d0d8C6AC70 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 524430 - -****** - -*** MockAggregator *** - -Network: localhost -tx: 0x7b48370fe9e1e971ea386ca9647470d670ca238425dc42e13742dfbae71b1cae -contract address: 0x9e4c352aa01D2eC5c6917e79a19e74B27Ab6Be85 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 524490 - -****** - -*** MockAggregator *** - -Network: localhost -tx: 0xd89d74e0609f162d9ce0b6b6950c112b76f09293e0f44c75890101473de91554 -contract address: 0x022cFA026CA96fABfDae3b3a7830d1026cbbd336 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 524430 - -****** - -*** MockAggregator *** - -Network: localhost -tx: 0xe4fd2a196be6b31c06f4096d1b7a7800c9559df8c38d259c853bca3e408e8ed2 -contract address: 0xD7B4b736722c350c1ee35e0522fd9b38546c1b18 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 524430 - 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-****** - -*** MockAggregator *** - -Network: localhost -tx: 0x7a878b5b5029bad142dda20da6f120e060bf8311ba80f22e98ff8fc539f38724 -contract address: 0xce8d1D7665832237b1eae6267C0cA5aCC11B7fE6 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 524430 - -****** - -*** MockAggregator *** - -Network: localhost -tx: 0x2e80f1c33b474542733682528ed1e072406b585dcfaa2c158e6ce87295308b19 -contract address: 0x39ed2aE701B56AD229A19E628Bf5A515795F0AA3 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 524430 - -****** - -*** ChainlinkProxyPriceProvider *** - -Network: localhost -tx: 0x5125f9e283f93d831c4961c06e23fc7e11533d8942685c2b1d3743c1adcddb3e -contract address: 0x9434029990cF00118c28a06E014F0d7d879f28CE -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 6255420 - -****** - -*** LendingRateOracle *** - -Network: localhost -tx: 0x170675f0f61bafaef087a2f9b8cc9c9d541c14dfeea7f93cd2f9e71e821ce7e6 -contract address: 0xccd7A2534fd4FD5119De8E368615b226e23F8F37 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 1720040 - 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-****** - -*** DefaultReserveInterestRateStrategy *** - -Network: localhost -tx: 0xe56d3118f791864b63d5a1d9be52bc77da65f4ab4e8b75b0e04a2e55affdf1fe -contract address: 0x5da6809Fe6d0743125Ec39AFCF9E38ea0F0B5d4E -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 2917135 - -****** - -*** StableDebtToken *** - -Network: localhost -tx: 0x975b727795a15df3445b9b23ffba7f8e646a67a848d536215e1576fab58a8846 -contract address: 0xE95D3B838c8A4e52C8059cc75a18FB6d2EDA043a -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 6128310 - -****** - -*** VariableDebtToken *** - -Network: localhost -tx: 0x9682837a645353709ecdca94a65a8fe22eab97c3d9cf848cdd0128b36749fa24 -contract address: 0x5DaF25c6E608CFd427Dbae874B8a5441d0018339 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 5651090 - -****** - -*** AToken *** - -Network: localhost -tx: 0xe3e27056c5b4c26fa31cfc91f6934d8cd6f0245e7fa2ce2f3d09521aa03b3a9f -contract address: 0x4aDdfb6d8994197b666c8FB167dAF9576D052d26 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 9499999 - 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-****** - -*** DefaultReserveInterestRateStrategy *** - -Network: localhost -tx: 0x1321448a7f01e61623fb1ee6c3db90da2adf86cf8aab197e1942b2c891e6ffce -contract address: 0xAc90A2D29a669aa51c3a5506b577D59DDc931c6e -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 2916655 - -****** - -*** StableDebtToken *** - -Network: localhost -tx: 0x19a8d0b6e4b9aa523256a4c9eed5453701647671a5779743b0f5afa3e58f11d2 -contract address: 0x3a629468EDf66d22d69F84C5EFFadc6C2BEA4d5C -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 6128190 - -****** - -*** VariableDebtToken *** - -Network: localhost -tx: 0x67ac2f70267459b17f88d1a06c164322164239f9c8267b544badc2ad79790226 -contract address: 0x9BDb2e959aD37ddA24b6A770993852E99970b8F8 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 5650970 - -****** - -*** AToken *** - -Network: localhost -tx: 0x4220df2a27a81f69625a2d0cbba1f4383e4ef12158e28eef912beb0d5160b338 -contract address: 0xd1E1BC4D1C225D9029f14f8b8eFcF12F0eA51C1e -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 9499999 - -****** - -*** DefaultReserveInterestRateStrategy *** - -Network: localhost -tx: 0x3296da75785d3dcbae0fbbef6cbe60f2f7a1f207a632a176c90a646febf4eb36 -contract address: 0x6d2BfF57A95f2b96d33C27b281e718C4FC76222e -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 2916655 - -****** - -*** StableDebtToken *** - -Network: localhost -tx: 0xe4d89df27c5d2e70f84c575cdf7ebff25f815b0d82f91f9423a0cf0d339c4e8f -contract address: 0xD8cF367dce091A6bFB2a9d4A3673F80a616bd8B7 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 6128190 - -****** - -*** VariableDebtToken *** - -Network: localhost -tx: 0xe0da49201fcb21f10c2884279ee43ad63ae346139e9f95e7991a7b7c378e0d6d -contract address: 0x629bBA58D1Bc73e9C515668A76F00DC8FE852065 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 5650970 - -****** - -*** AToken *** - -Network: localhost -tx: 0x6a19fa9c7cbc714245413d7cef76ad8d84a6f267950c8b531f4fb4403e2c57a7 -contract address: 0x2Ded2482555ABf714ebbc9Dd4b589e093C1a9eD2 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 9499999 - -****** - -*** DefaultReserveInterestRateStrategy *** - -Network: localhost -tx: 0x521d14b37d34e8842e11897cbde3c6c75b991a749274e4d63dc5507c78e4f7ac -contract address: 0x2ECdf4E23a561A58E9e0f70cD109e8cD1C86A827 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 2916655 - -****** - -*** StableDebtToken *** - -Network: localhost -tx: 0x92673002c4b70c9670f154724bdb48293b9652b4d916a5ea0b9b33e808cd9270 -contract address: 0xf70adAAfe9883E4D52587197Cd39dc85C2B23c57 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 6128310 - -****** - -*** VariableDebtToken *** - -Network: localhost -tx: 0xdfa31bd3eaeb3367325257b7ee283867dc5bb62ae8e8f43e42547e6c6053200f -contract address: 0xC07b1cE4372334264E2124b893b8445F34c2009f -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 5651090 - -****** - -*** AToken *** - -Network: localhost -tx: 0x355e2ef294f2951dfa2f039db038543c0abeec606cd69bc425ccfdfc587fa0d2 -contract address: 0x1b9F3F849801E7Bc6C3124296fc35A83Fd40654b -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 9499999 - -****** - -*** DefaultReserveInterestRateStrategy *** - -Network: localhost -tx: 0xefd434318327a3626c371301a42d2cc9f1b17cad2dfb4f1c42fb56b09b8e41aa -contract address: 0x501Cb4bBA78Ca688A59DEedE4E121590eEC20C77 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 2916655 - -****** - -*** StableDebtToken *** - -Network: localhost -tx: 0xe36cb2e2369f27648748e0e182329cbf906f31fd832e67de78d8686501b489a5 -contract address: 0x3346C431D2E9bA398a5A690ca49Ca4E3b13472FD -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 6128250 - -****** - -*** VariableDebtToken *** - -Network: localhost -tx: 0x48fb6ae7811bd7c8fdec948249d1e9ad78439ce7a5b2a5983b92a87b844e02a8 -contract address: 0xcb82DF442005768Bd6E3f1597255dfD60Af26d57 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 5651030 - -****** - -*** AToken *** - -Network: localhost -tx: 0xad153aa4fdd44ad6fb893766cc7eda637b6b0cba2859fe9c56dd522bc2e65e12 -contract address: 0x6fb48b45f290a76c1331991c9D7F8ef3D9FE5C36 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 9499999 - -****** - -*** DefaultReserveInterestRateStrategy *** - -Network: localhost -tx: 0x7cea4f37b50c4786e9df8ca8f09c29ed9b1daf4d05ff41210b23e4642f22cb23 -contract address: 0xaCb0e28183B6e3b27741776B9A013521d92dcf42 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 2916655 - -****** - -*** StableDebtToken *** - -Network: localhost -tx: 0x3b920d6dee6aecb25f15cf7a1a884c26e1186958fe487672f51e4fcf0ebd7f94 -contract address: 0xA1efebb06E897703b1AEC2a8FA6141e377752b1d -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 6128190 - -****** - -*** VariableDebtToken *** - -Network: localhost -tx: 0xc771692ccb883a273b63235e551f1570b20fc2946b6a3a6c2f75561746acd80c -contract address: 0xb664f305eB269F7EE2Bc657C59c0d8D4101c6857 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 5650970 - -****** - -*** AToken *** - -Network: localhost -tx: 0x542ba4ab070c693dac934480a950b60c99137fe160cebe1f3092a3f5812faca3 -contract address: 0x29C059D0CB7621BA9E93467945A6336c783b2d2A -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 9499999 - -****** - -*** DefaultReserveInterestRateStrategy *** - -Network: localhost -tx: 0x09b12f7981ceff6df8f318a23dae0eb46a2a00058b209e8dfea68fd4c71df420 -contract address: 0xbB405796150960679458C9F03e7da176F7daC6d3 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 2916655 - -****** - -*** StableDebtToken *** - -Network: localhost -tx: 0x5bd0106deaac62e2bcd5ed0cf584b5e833610a736e04c95c65a98ed04cc45a73 -contract address: 0xB82b53c852eABCFd35C757119C520F382eC31390 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 6128190 - -****** - -*** VariableDebtToken *** - -Network: localhost -tx: 0x08f3c16876b91a7cc6beec71b7173ae2dcca520c860c744174f2110d52d3305d -contract address: 0x87F5639fAe81B9Ee55AAc08aE306fB92f5AB6e71 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 5650970 - -****** - -*** AToken *** - -Network: localhost -tx: 0xdb1a23da614ea9b704fe3580cc9af14889a1a26814e56b28d5cca7fbf1aada4e -contract address: 0xc86eF02EB0d1F712a2A054887a5Eab982a983C3f -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 9499999 - -****** - -*** DefaultReserveInterestRateStrategy *** - -Network: localhost -tx: 0x41f78876c9a8ba8372b2a0ef0fe7cc0b1c398a01e4bf28ef89f85b3e1dbb90ab -contract address: 0x84C055Cf6b1429f41673d04D17019276547c4af0 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 2916655 - -****** - -*** StableDebtToken *** - -Network: localhost -tx: 0x19dfde9cb5c45ea0b3586f752f80ebf9a6c02e55a6cf77a77688254ccf2541be -contract address: 0x52b733D5fA53E72E8A788419836e261b6Fa0eFC6 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 6128190 - -****** - -*** VariableDebtToken *** - -Network: localhost -tx: 0xd36fcbb46b8cb664848df13f51120b3af95a99e333d5d324e463eec1f56f10c3 -contract address: 0x5ff9A2405b72d33911853f1d0bFFC361baCE435E -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 5650970 - -****** - -*** AToken *** - -Network: localhost -tx: 0x6a864bf1910e626bfb808e92827be216bea78040f3d7f1f33b28a3e5ae18c631 -contract address: 0x9e2548EB10fC28CE3D1654BC7421808eE7092081 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 9499999 - -****** - -*** DefaultReserveInterestRateStrategy *** - -Network: localhost -tx: 0xdd6117ffb11e3390a0610eadcea4520d25543dea7214686d147c75f610adea30 -contract address: 0x792d861D3791F4Cce91798260F863110D2D9E75b -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 2916655 - -****** - -*** StableDebtToken *** - -Network: localhost -tx: 0x814b1dc18904a1ca05c5ae4c5bb68ab73fac59c48e11924d1307ab5094411cfc -contract address: 0x5488bf6d62876d141cB0Db48929679D37dB265a5 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 6128310 - -****** - -*** VariableDebtToken *** - -Network: localhost -tx: 0xb224b45f3831151e6dc6412f9205b442ec30b0bfd453589d5847faf8fa334c97 -contract address: 0x6F7ee89b972c3212452E1e58628dAf7a3b7E9c7e -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 5651090 - -****** - -*** AToken *** - -Network: localhost -tx: 0x250e2640db49570381e16d893884744d53206256dc442c74e2359374cd6c1341 -contract address: 0xe3A3fa239eE31b38E56d8136822c3af7089B5b0E -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 9499999 - -****** - -*** DefaultReserveInterestRateStrategy *** - -Network: localhost -tx: 0xb919389e36595914e6fa47a78b402550b70fa55140769091f682463caed539e4 -contract address: 0x0aB0E3A07e92E161D461deDCAEdDFef906993f84 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 2916655 - -****** - -*** StableDebtToken *** - -Network: localhost -tx: 0xfde754172191e3885aeaf871e9ec3a0e7f9e5534b038cc256fd6e2164aa1e8d9 -contract address: 0xB964CE42932638Fc51cBFc7158686EF3f56D3262 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 6128190 - -****** - -*** VariableDebtToken *** - -Network: localhost -tx: 0xf78ff3151eede55e5a3ce4e819f6ab262ac1704dd7a66f364339959c3fde919f -contract address: 0xa2203A921E4e6FeccCAbE83A19029B5200bEe779 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 5650970 - -****** - -*** AToken *** - -Network: localhost -tx: 0x097bb8c68f3ba3552eab3b0a91ee58b25d25d2573b2a71465687c068620bc8f9 -contract address: 0x61fCca5fcBEF2200C40c3e9ef555B9954035315D -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 9499999 - -****** - -*** DefaultReserveInterestRateStrategy *** - -Network: localhost -tx: 0xabdb3c57d8a1859003a9cc92b0a5d668eee974fdf18e30481d97ea0be5090e48 -contract address: 0x9DDc5C465F70b0dc78dF7cd02f52bc3d2751282a -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 2917135 - -****** - -*** StableDebtToken *** - -Network: localhost -tx: 0xff60cd11c4845d9946fa1cbd5784ad799ce4dcfe5ee4c5c137eb638bc331a001 -contract address: 0x1D2a59d3276A669d1943fc6BDF997BF697D09565 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 6128190 - -****** - -*** VariableDebtToken *** - -Network: localhost -tx: 0xe7d8bc58eaadc19908c1493ba9b320a6c0a45ac29fe7572c83466df41e1f2a98 -contract address: 0x1e3Fcd041d44C88762255E8eFda30d0Fc22FEe76 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 5650970 - -****** - -*** AToken *** - -Network: localhost -tx: 0x38c31626f6d081130717f3b145a156421844612f3c6eaafc89c4a179bf550c41 -contract address: 0x45585e87e657a54A0a0Fa25a6572217E63E5F2f7 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 9499999 - -****** - -*** DefaultReserveInterestRateStrategy *** - -Network: localhost -tx: 0x324b1818692ada5ed43f7aa74c2f7da29808c44cdc77fe14716cdc48c02ff31d -contract address: 0x4c010BA8A40e5c13Acc1E32c025c2b2aea405Dbb -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 2917135 - -****** - -*** StableDebtToken *** - -Network: localhost -tx: 0x5ccd1b76e8d2b577890fa4bedf04152628bc7480be830247eafba3d1fc08e7d9 -contract address: 0x2ca7Aa6CcCdb5D77F1c1d3E6a21fF0F7ac24C825 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 6128250 - -****** - -*** VariableDebtToken *** - -Network: localhost -tx: 0x1fbd7ae4adf29a8c8fbed413c48cbe83bfd81f2475bf87aeec7ad19496fc9624 -contract address: 0x527a346011Cd6c71973f653426Ce609fa53dd59E -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 5651030 - -****** - -*** AToken *** - -Network: localhost -tx: 0x35e4a759c6f93001aa11697082373f645f9e2d12f3c2247a9c7f8245643a8db4 -contract address: 0x3035D5D127487Ee5Df5FD951D9624a8b877A8497 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 9499999 - -****** - -*** MockFlashLoanReceiver *** - -Network: localhost -tx: 0xd7ee83594c1b864fb16cf8ff63e95b122af260df3f2b56eb643dcf004e12e507 -contract address: 0x2aE520a05B31f170a18C425a1e8626aB7Ef71984 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 1730710 - -****** - -*** WalletBalanceProvider *** - -Network: localhost -tx: 0x4043a4de9ef7fe0f601dbdcf4775c9384d2db0b4c867410cdbeb92512d647ff7 -contract address: 0xBD2244f43f7BA73eB35A64302A6D8DBf17BdF2F1 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 2512320 - -****** - -*** AaveProtocolTestHelpers *** - -Network: localhost -tx: 0xb406d28fc743855f784a865268662ed03bf4043f76d9a76fcafca2867b4e94c7 -contract address: 0x18c3e48a45839B3BbC998c70A2fD41fB8D93a35D -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 2818975 - -****** - -setup: 22.891s -Pool loaded -Configurator loaded - -*************** -Setup and snapshot finished -*************** - - AToken: Modifiers - ✓ Tries to invoke mint not being the LendingPool - ✓ Tries to invoke burn not being the LendingPool - ✓ Tries to invoke transferOnLiquidation not being the LendingPool - ✓ Tries to invoke transferUnderlyingTo not being the LendingPool - - AToken: Transfer - ✓ User 0 deposits 1000 DAI, transfers to user 1 - ✓ User 1 redirects interest to user 2, transfers 500 DAI back to user 0 - ✓ User 0 transfers back to user 1 - ✓ User 0 deposits 1 WETH and user 1 tries to borrow, but the aTokens received as a transfer are not available as collateral (revert expected) - ✓ User 1 sets the DAI as collateral and borrows, tries to transfer everything back to user 0 (revert expected) - ✓ User 0 tries to transfer 0 balance (revert expected) - ✓ User 1 repays the borrow, transfers aDAI back to user 0 - ✓ User 0 redirects interest to user 2, transfers 500 aDAI to user 1. User 1 redirects to user 3. User 0 transfers another 100 aDAI - ✓ User 1 transfers the whole amount to himself - - LendingPoolConfigurator - - 1) Deactivates the ETH reserve - ✓ Rectivates the ETH reserve - ✓ Check the onlyLendingPoolManager on deactivateReserve - ✓ Check the onlyLendingPoolManager on activateReserve - ✓ Freezes the ETH reserve - ✓ Unfreezes the ETH reserve - ✓ Check the onlyLendingPoolManager on freezeReserve - ✓ Check the onlyLendingPoolManager on unfreezeReserve - ✓ Deactivates the ETH reserve for borrowing - - 2) Activates the ETH reserve for borrowing - ✓ Check the onlyLendingPoolManager on disableBorrowingOnReserve - ✓ Check the onlyLendingPoolManager on enableBorrowingOnReserve - ✓ Deactivates the ETH reserve as collateral - ✓ Activates the ETH reserve as collateral - ✓ Check the onlyLendingPoolManager on disableReserveAsCollateral - ✓ Check the onlyLendingPoolManager on enableReserveAsCollateral - ✓ Disable stable borrow rate on the ETH reserve - ✓ Enables stable borrow rate on the ETH reserve - ✓ Check the onlyLendingPoolManager on disableReserveStableRate - ✓ Check the onlyLendingPoolManager on enableReserveStableRate - ✓ Changes LTV of the reserve - ✓ Check the onlyLendingPoolManager on setLtv - ✓ Changes liquidation threshold of the reserve - ✓ Check the onlyLendingPoolManager on setLiquidationThreshold - ✓ Changes liquidation bonus of the reserve - ✓ Check the onlyLendingPoolManager on setLiquidationBonus - ✓ Check the onlyLendingPoolManager on setReserveDecimals - ✓ Check the onlyLendingPoolManager on setLiquidationBonus - ✓ Reverts when trying to disable the DAI reserve with liquidity on it - - LendingPool FlashLoan function - ✓ Deposits ETH into the reserve - - 3) Takes ETH flashloan, returns the funds correctly -Total liquidity is 2000720000285388128 - - 4) Takes an ETH flashloan as big as the available liquidity - ✓ Takes WETH flashloan, does not return the funds (revert expected) - ✓ tries to take a very small flashloan, which would result in 0 fees (revert expected) - ✓ tries to take a flashloan that is bigger than the available liquidity (revert expected) - ✓ tries to take a flashloan using a non contract address as receiver (revert expected) - ✓ Deposits DAI into the reserve - - 5) Takes out a 500 DAI flashloan, returns the funds correctly - ✓ Takes out a 500 DAI flashloan, does not return the funds (revert expected) - - LendingPoolAddressesProvider - ✓ Test the accessibility of the LendingPoolAddressesProvider - - LendingPool liquidation - liquidator receiving aToken - - 6) LIQUIDATION - Deposits WETH, borrows DAI/Check liquidation fails because health factor is above 1 - - 7) LIQUIDATION - Drop the health factor below 1 - - 8) LIQUIDATION - Tries to liquidate a different currency than the loan principal - - 9) LIQUIDATION - Tries to liquidate a different collateral than the borrower collateral - - 10) LIQUIDATION - Liquidates the borrow - - 11) User 3 deposits 1000 USDC, user 4 1 WETH, user 4 borrows - drops HF, liquidates the borrow - - LendingPool liquidation - liquidator receiving the underlying asset - - 12) LIQUIDATION - Deposits WETH, borrows DAI - - 13) LIQUIDATION - Drop the health factor below 1 - - 14) LIQUIDATION - Liquidates the borrow - - 15) User 3 deposits 1000 USDC, user 4 1 WETH, user 4 borrows - drops HF, liquidates the borrow - - 16) User 4 deposits 1000 LEND - drops HF, liquidates the LEND, which results on a lower amount being liquidated - - LendingPool: Borrow negatives (reverts) - ✓ User 0 deposits 1000 DAI, user 1 deposits 1 WETH as collateral and tries to borrow 100 DAI with rate mode NONE (revert expected) - ✓ User 0 deposits 1000 DAI, user 1 deposits 1 WETH as collateral and tries to borrow 100 DAI with an invalid rate mode (revert expected) - - LendingPool: Borrow/repay (stable rate) - - 17) User 0 deposits 1000 DAI, user 1 deposits 1 WETH as collateral and borrows 100 DAI at stable rate - ✓ User 1 tries to borrow the rest of the DAI liquidity (revert expected) - - 18) User 1 repays the half of the DAI borrow after one year - - 19) User 1 repays the rest of the DAI borrow after one year - ✓ User 0 withdraws the deposited DAI plus interest - - 20) User 1 deposits 1000 DAI, user 2 tries to borrow 1000 DAI at a stable rate without any collateral (revert expected) - - 21) User 0 deposits 1000 DAI, user 1,2,3,4 deposit 1 WETH each and borrow 100 DAI at stable rate. Everything is repaid, user 0 withdraws - ✓ User 0 deposits 1000 DAI, user 1 deposits 2 WETH and borrow 100 DAI at stable rate first, then 100 DAI at variable rate, repays everything. User 0 withdraws - - LendingPool: Borrow/repay (variable rate) - ✓ User 2 deposits 1 DAI to account for rounding errors - ✓ User 0 deposits 1000 DAI, user 1 deposits 1 WETH as collateral and borrows 100 DAI at variable rate - ✓ User 1 tries to borrow the rest of the DAI liquidity (revert expected) - ✓ User 1 tries to repay 0 DAI (revert expected) - ✓ User 1 repays a small amount of DAI, enough to cover a small part of the interest - ✓ User 1 repays the DAI borrow after one year - ✓ User 0 withdraws the deposited DAI plus interest - ✓ User 1 withdraws the collateral - ✓ User 2 deposits a small amount of WETH to account for rounding errors - ✓ User 0 deposits 1 WETH, user 1 deposits 100 LINK as collateral and borrows 0.5 ETH at variable rate - ✓ User 1 tries to repay 0 ETH - ✓ User 2 tries to repay everything on behalf of user 1 using uint(-1) (revert expected) - ✓ User 3 repays a small amount of WETH on behalf of user 1 - ✓ User 1 repays the WETH borrow after one year - ✓ User 0 withdraws the deposited WETH plus interest - ✓ User 1 withdraws the collateral - ✓ User 2 deposits 1 USDC to account for rounding errors - ✓ User 0 deposits 1000 USDC, user 1 deposits 1 WETH as collateral and borrows 100 USDC at variable rate - - 22) User 1 tries to borrow the rest of the USDC liquidity (revert expected) - ✓ User 1 repays the USDC borrow after one year - ✓ User 0 withdraws the deposited USDC plus interest - ✓ User 1 withdraws the collateral - - 23) User 1 deposits 1000 DAI, user 3 tries to borrow 1000 DAI without any collateral (revert expected) - - 24) user 3 deposits 0.1 ETH collateral to borrow 100 DAI; 0.1 ETH is not enough to borrow 100 DAI (revert expected) - ✓ user 3 withdraws the 0.1 ETH - ✓ User 1 deposits 1000 USDC, user 3 tries to borrow 1000 USDC without any collateral (revert expected) - - 25) user 3 deposits 0.1 ETH collateral to borrow 100 USDC; 0.1 ETH is not enough to borrow 100 USDC (revert expected) - ✓ user 3 withdraws the 0.1 ETH - - 26) User 0 deposits 1000 DAI, user 6 deposits 2 WETH and borrow 100 DAI at variable rate first, then 100 DAI at stable rate, repays everything. User 0 withdraws - - LendingPool: Deposit - ✓ User 0 Deposits 1000 DAI in an empty reserve - ✓ User 1 deposits 1000 DAI after user 1 - ✓ User 0 deposits 1000 USDC in an empty reserve - ✓ User 1 deposits 1000 USDC after user 0 - ✓ User 0 deposits 1 WETH in an empty reserve - ✓ User 1 deposits 1 WETH after user 0 - ✓ User 1 deposits 0 ETH (revert expected) - ✓ User 1 deposits 0 DAI - - AToken: interest rate redirection negative test cases - ✓ User 0 deposits 1000 DAI, tries to give allowance to redirect interest to himself (revert expected) - ✓ User 1 tries to redirect the interest of user 0 without allowance (revert expected) - - 27) User 0 tries to redirect the interest to user 2 twice (revert expected) - - 28) User 3 with 0 balance tries to redirect the interest to user 2 (revert expected) - - AToken: interest rate redirection - - 29) User 0 deposits 1000 DAI, redirects the interest to user 2 - ✓ User 1 deposits 1 ETH, borrows 100 DAI, repays after one year. Users 0 deposits another 1000 DAI. Redirected balance of user 2 is updated - - 30) User 1 borrows another 100 DAI, repay the whole amount. Users 0 and User 2 withdraw - - 31) User 0 deposits 1000 DAI, redirects interest to user 2, user 1 borrows 100 DAI. After one year, user 0 redirects interest back to himself, user 1 borrows another 100 DAI and after another year repays the whole amount. Users 0 and User 2 withdraw - - 32) User 0 deposits 1000 DAI, redirects interest to user 2, user 1 borrows 100 DAI. After one year, user 2 redirects interest to user 3. user 1 borrows another 100 DAI, user 0 deposits another 100 DAI. User 1 repays the whole amount. Users 0, 2 first 1 DAI, then everything. User 3 withdraws - - LendingPool: Rebalance stable rate - ✓ User 0 tries to rebalance user 1 who has no borrows in progress (revert expected) - ✓ User 0 deposits 1000 DAI, user 1 deposits 1 ETH, borrows 100 DAI at a variable rate, user 0 rebalances user 1 (revert expected) - - 33) User 1 swaps to stable, user 0 tries to rebalance but the conditions are not met (revert expected) - - 34) User 2 deposits ETH and borrows the remaining DAI, causing the stable rates to rise (liquidity rate < user 1 borrow rate). User 0 tries to rebalance user 1 (revert expected) - - 35) User 2 borrows more DAI, causing the liquidity rate to rise above user 1 stable borrow rate User 0 rebalances user 1 - - LendingPool: Usage as collateral - ✓ User 0 Deposits 1000 DAI, disables DAI as collateral - - 36) User 1 Deposits 2 ETH, disables ETH as collateral, borrows 400 DAI (revert expected) - ✓ User 1 enables ETH as collateral, borrows 400 DAI - - 37) User 1 disables ETH as collateral (revert expected) - - LendingPool: Swap rate mode - ✓ User 0 tries to swap rate mode without any variable rate loan in progress (revert expected) - ✓ User 0 tries to swap rate mode without any stable rate loan in progress (revert expected) - - 38) User 0 deposits 1000 DAI, user 1 deposits 2 ETH as collateral, borrows 100 DAI at variable rate and swaps to stable after one year - - 39) User 1 borrows another 100 DAI, and swaps back to variable after one year, repays the loan - - LendingPool: Redeem negative test cases - ✓ Users 0 Deposits 1000 DAI and tries to redeem 0 DAI (revert expected) - - 40) Users 0 tries to redeem 1100 DAI from the 1000 DAI deposited (revert expected) - - 41) Users 1 deposits 1 WETH, borrows 100 DAI, tries to redeem the 1 WETH deposited (revert expected) - - LendingPool: withdraw - ✓ User 0 Deposits 1000 DAI in an empty reserve - ✓ User 0 withdraws half of the deposited DAI - ✓ User 0 withdraws remaining half of the deposited DAI - ✓ User 0 Deposits 1000 USDC in an empty reserve - ✓ User 0 withdraws half of the deposited USDC - ✓ User 0 withdraws remaining half of the deposited USDC - ✓ User 0 Deposits 1 WETH in an empty reserve - ✓ User 0 withdraws half of the deposited ETH - ✓ User 0 withdraws remaining half of the deposited ETH - - 42) Users 0 and 1 Deposit 1000 DAI, both withdraw - ✓ Users 0 deposits 1000 DAI, user 1 Deposit 1000 USDC and 1 WETH, borrows 100 DAI. User 1 tries to withdraw all the USDC - - Stable debt token tests - ✓ Tries to invoke mint not being the LendingPool - ✓ Tries to invoke burn not being the LendingPool - - Upgradeability -*** MockAToken *** - -Network: localhost -tx: 0xf94ff11f88ae61a553703ac61194b377d10db1eeb62a2ae4fc9200b2d3ac5ffe -contract address: 0xAA6DfC2A802857Fadb75726B6166484e2c011cf5 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 9499999 - -****** - -*** MockStableDebtToken *** - -Network: localhost -tx: 0x3f3fdd7645e067ef432956779e204f2b173baf87472e497c9673201c790e5543 -contract address: 0xFd23fD3d937ae73a7b545B8Bfeb218395bDe9b8f -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 6331580 - -****** - -*** MockVariableDebtToken *** - -Network: localhost -tx: 0xb17942d4f535a6fe4d349c74c5a480354d3c07565a0e8f10f05706dec1c59fcd -contract address: 0xEe821582b591CE5e4a9B7fFc4E2DAD47D3759C08 -deployer address: 0xc783df8a850f42e7F7e57013759C285caa701eB6 -gas price: 8000000000 -gas used: 5854360 - -****** - - ✓ Tries to update the DAI Atoken implementation with a different address than the lendingPoolManager - ✓ Upgrades the DAI Atoken implementation - ✓ Tries to update the DAI Stable debt token implementation with a different address than the lendingPoolManager - ✓ Upgrades the DAI stable debt token implementation - ✓ Tries to update the DAI variable debt token implementation with a different address than the lendingPoolManager - ✓ Upgrades the DAI variable debt token implementation - - Variable debt token tests - ✓ Tries to invoke mint not being the LendingPool - ✓ Tries to invoke burn not being the LendingPool - -·------------------------------------------------------------------|---------------------------|-------------|-----------------------------· -| Solc version: 0.6.8 · Optimizer enabled: true · Runs: 200 · Block limit: 10000000 gas │ -···································································|···························|·············|······························ -| Methods │ -·································|·································|·············|·············|·············|···············|·············· -| Contract · Method · Min · Max · Avg · # calls · eur (avg) │ -·································|·································|·············|·············|·············|···············|·············· -| LendingPool · borrow · 310996 · 390411 · 342303 · 16 · - │ -·································|·································|·············|·············|·············|···············|·············· -| LendingPool · deposit · 163326 · 301355 · 211548 · 63 · - │ -·································|·································|·············|·············|·············|···············|·············· -| LendingPool · flashLoan · 127473 · 127485 · 127479 · 2 · - │ -·································|·································|·············|·············|·············|···············|·············· -| LendingPool · repay · 119550 · 218726 · 174340 · 12 · - │ -·································|·································|·············|·············|·············|···············|·············· -| LendingPool · setUserUseReserveAsCollateral · 83143 · 202731 · 134228 · 5 · - │ -·································|·································|·············|·············|·············|···············|·············· -| LendingPool · swapBorrowRateMode · - · - · 167109 · 1 · - │ -·································|·································|·············|·············|·············|···············|·············· -| LendingPool · withdraw · 165643 · 336106 · 226426 · 32 · - │ -·································|·································|·············|·············|·············|···············|·············· -| LendingPoolAddressesProvider · transferOwnership · - · - · 30839 · 1 · - │ -·································|·································|·············|·············|·············|···············|·············· -| LendingPoolConfigurator · activateReserve · - · - · 46817 · 4 · - │ -·································|·································|·············|·············|·············|···············|·············· -| LendingPoolConfigurator · disableBorrowingOnReserve · - · - · 50983 · 1 · - │ -·································|·································|·············|·············|·············|···············|·············· -| LendingPoolConfigurator · disableReserveAsCollateral · - · - · 50919 · 2 · - │ -·································|·································|·············|·············|·············|···············|·············· -| LendingPoolConfigurator · disableReserveStableRate · - · - · 51048 · 2 · - │ -·································|·································|·············|·············|·············|···············|·············· -| LendingPoolConfigurator · enableBorrowingOnReserve · - · - · 51559 · 3 · - │ -·································|·································|·············|·············|·············|···············|·············· -| LendingPoolConfigurator · enableReserveAsCollateral · - · - · 52408 · 4 · - │ -·································|·································|·············|·············|·············|···············|·············· -| LendingPoolConfigurator · enableReserveStableRate · - · - · 50928 · 4 · - │ -·································|·································|·············|·············|·············|···············|·············· -| LendingPoolConfigurator · freezeReserve · - · - · 50963 · 2 · - │ -·································|·································|·············|·············|·············|···············|·············· -| LendingPoolConfigurator · setLiquidationBonus · - · - · 51240 · 5 · - │ -·································|·································|·············|·············|·············|···············|·············· -| LendingPoolConfigurator · setLiquidationThreshold · - · - · 51241 · 3 · - │ -·································|·································|·············|·············|·············|···············|·············· -| LendingPoolConfigurator · setLtv · - · - · 51269 · 3 · - │ -·································|·································|·············|·············|·············|···············|·············· -| LendingPoolConfigurator · unfreezeReserve · - · - · 51026 · 4 · - │ -·································|·································|·············|·············|·············|···············|·············· -| LendingPoolConfigurator · updateAToken · - · - · 140669 · 3 · - │ -·································|·································|·············|·············|·············|···············|·············· -| LendingPoolConfigurator · updateStableDebtToken · - · - · 140932 · 3 · - │ -·································|·································|·············|·············|·············|···············|·············· -| LendingPoolConfigurator · updateVariableDebtToken · - · - · 140901 · 3 · - │ -·································|·································|·············|·············|·············|···············|·············· -| MintableERC20 · approve · 24907 · 44119 · 32449 · 47 · - │ -·································|·································|·············|·············|·············|···············|·············· -| MintableERC20 · mint · 35427 · 65475 · 40972 · 49 · - │ -·································|·································|·············|·············|·············|···············|·············· -| MintableERC20 · transfer · 138351 · 219471 · 178116 · 13 · - │ -·································|·································|·············|·············|·············|···············|·············· -| MockAToken · redirectInterestStream · 124867 · 144079 · 137671 · 3 · - │ -·································|·································|·············|·············|·············|···············|·············· -| MockFlashLoanReceiver · setFailExecutionTransfer · - · - · 42239 · 7 · - │ -·································|·································|·············|·············|·············|···············|·············· -| Deployments · · % of limit · │ -···································································|·············|·············|·············|···············|·············· -| MockVariableDebtToken · - · - · 1170872 · 11.7 % · - │ -···································································|·············|·············|·············|···············|·············· -| ValidationLogic · - · - · 1631264 · 16.3 % · - │ -·------------------------------------------------------------------|-------------|-------------|-------------|---------------|-------------· - - 115 passing (4m) - 42 failing - - 1) LendingPoolConfigurator - Deactivates the ETH reserve: - Error: VM Exception while processing transaction: revert The liquidity of the reserve needs to be 0 - at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) - at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) - at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) - at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) - at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) - at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) - at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - 2) LendingPoolConfigurator - Activates the ETH reserve for borrowing: - - AssertionError: expected '1000000000951293759814590868' to equal '1000000000000000000000000000' - + expected - actual - - -1000000000951293759814590868 - +1000000000000000000000000000 - - at /src/test/configurator.spec.ts:86:50 - at step (test/configurator.spec.ts:33:23) - at Object.next (test/configurator.spec.ts:14:53) - at fulfilled (test/configurator.spec.ts:5:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - 3) LendingPool FlashLoan function - Takes ETH flashloan, returns the funds correctly: - - AssertionError: expected '2000720000285388128' to equal '1000720000000000000' - + expected - actual - - -2000720000285388128 - +1000720000000000000 - - at /src/test/flashloan.spec.ts:54:45 - at step (test/flashloan.spec.ts:33:23) - at Object.next (test/flashloan.spec.ts:14:53) - at fulfilled (test/flashloan.spec.ts:5:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - 4) LendingPool FlashLoan function - Takes an ETH flashloan as big as the available liquidity: - - AssertionError: expected '2001620648285388128' to equal '1001620648000000000' - + expected - actual - - -2001620648285388128 - +1001620648000000000 - - at /src/test/flashloan.spec.ts:82:45 - at step (test/flashloan.spec.ts:33:23) - at Object.next (test/flashloan.spec.ts:14:53) - at fulfilled (test/flashloan.spec.ts:5:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - 5) LendingPool FlashLoan function - Takes out a 500 DAI flashloan, returns the funds correctly: - AssertionError: Expected "3000450000000000000000" to be equal 1000450000000000000000 - at /src/test/flashloan.spec.ts:175:34 - at step (test/flashloan.spec.ts:33:23) - at Object.next (test/flashloan.spec.ts:14:53) - at fulfilled (test/flashloan.spec.ts:5:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - 6) LendingPool liquidation - liquidator receiving aToken - LIQUIDATION - Deposits WETH, borrows DAI/Check liquidation fails because health factor is above 1: - - AssertionError: expected '5534' to equal '8000' - + expected - actual - - -5534 - +8000 - - at /src/test/liquidation-atoken.spec.ts:66:88 - at step (test/liquidation-atoken.spec.ts:33:23) - at Object.next (test/liquidation-atoken.spec.ts:14:53) - at fulfilled (test/liquidation-atoken.spec.ts:5:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - 7) LendingPool liquidation - liquidator receiving aToken - LIQUIDATION - Drop the health factor below 1: - - AssertionError: expected '1125536573927102016' to be less than '1000000000000000000' - + expected - actual - - -1125536573927102016 - +1000000000000000000 - - at /src/test/liquidation-atoken.spec.ts:90:68 - at step (test/liquidation-atoken.spec.ts:33:23) - at Object.next (test/liquidation-atoken.spec.ts:14:53) - at fulfilled (test/liquidation-atoken.spec.ts:5:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - 8) LendingPool liquidation - liquidator receiving aToken - LIQUIDATION - Tries to liquidate a different currency than the loan principal: - AssertionError: Expected transaction to be reverted with User did not borrow the specified currency, but other exception was thrown: Error: VM Exception while processing transaction: revert Health factor is not below the threshold - - - 9) LendingPool liquidation - liquidator receiving aToken - LIQUIDATION - Tries to liquidate a different collateral than the borrower collateral: - AssertionError: Expected transaction to be reverted with The collateral chosen cannot be liquidated, but other exception was thrown: Error: VM Exception while processing transaction: revert Health factor is not below the threshold - - - 10) LendingPool liquidation - liquidator receiving aToken - LIQUIDATION - Liquidates the borrow: - Error: VM Exception while processing transaction: revert Health factor is not below the threshold - at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) - at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) - at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) - at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) - at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) - at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) - at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - 11) LendingPool liquidation - liquidator receiving aToken - User 3 deposits 1000 USDC, user 4 1 WETH, user 4 borrows - drops HF, liquidates the borrow: - Error: VM Exception while processing transaction: revert SafeMath: division by zero - at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) - at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) - at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) - at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) - at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) - at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) - at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - 12) LendingPool liquidation - liquidator receiving the underlying asset - LIQUIDATION - Deposits WETH, borrows DAI: - - AssertionError: expected '4513' to equal '8000' - + expected - actual - - -4513 - +8000 - - at /src/test/liquidation-underlying.spec.ts:68:88 - at step (test/liquidation-underlying.spec.ts:33:23) - at Object.next (test/liquidation-underlying.spec.ts:14:53) - at fulfilled (test/liquidation-underlying.spec.ts:5:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - 13) LendingPool liquidation - liquidator receiving the underlying asset - LIQUIDATION - Drop the health factor below 1: - - AssertionError: expected '1072938234852519524' to be less than '1000000000000000000' - + expected - actual - - -1072938234852519524 - +1000000000000000000 - - at /src/test/liquidation-underlying.spec.ts:87:68 - at step (test/liquidation-underlying.spec.ts:33:23) - at Object.next (test/liquidation-underlying.spec.ts:14:53) - at fulfilled (test/liquidation-underlying.spec.ts:5:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - 14) LendingPool liquidation - liquidator receiving the underlying asset - LIQUIDATION - Liquidates the borrow: - Error: VM Exception while processing transaction: revert Health factor is not below the threshold - at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) - at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) - at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) - at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) - at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) - at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) - at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - 15) LendingPool liquidation - liquidator receiving the underlying asset - User 3 deposits 1000 USDC, user 4 1 WETH, user 4 borrows - drops HF, liquidates the borrow: - Error: VM Exception while processing transaction: revert Health factor is not below the threshold - at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) - at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) - at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) - at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) - at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) - at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) - at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - 16) LendingPool liquidation - liquidator receiving the underlying asset - User 4 deposits 1000 LEND - drops HF, liquidates the LEND, which results on a lower amount being liquidated: - Error: VM Exception while processing transaction: revert Health factor is not below the threshold - at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) - at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) - at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) - at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) - at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) - at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) - at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - 17) LendingPool: Borrow/repay (stable rate) - User 0 deposits 1000 DAI, user 1 deposits 1 WETH as collateral and borrows 100 DAI at stable rate: - Error: VM Exception while processing transaction: revert There is not enough collateral to cover a new borrow - at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) - at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) - at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) - at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) - at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) - at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) - at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - 18) LendingPool: Borrow/repay (stable rate) - User 1 repays the half of the DAI borrow after one year: - - AssertionError: expected '53496990783534834930102816' to be almost equal or equal '49997187848791270690420682' for property utilizationRate - + expected - actual - - -53496990783534834930102816 - +49997187848791270690420682 - - at expectEqual (test/helpers/actions.ts:806:26) - at /src/test/helpers/actions.ts:446:5 - at step (test/helpers/actions.ts:33:23) - at Object.next (test/helpers/actions.ts:14:53) - at fulfilled (test/helpers/actions.ts:5:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - 19) LendingPool: Borrow/repay (stable rate) - User 1 repays the rest of the DAI borrow after one year: - Error: VM Exception while processing transaction: revert 16 - at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) - at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) - at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) - at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) - at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) - at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) - at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - 20) LendingPool: Borrow/repay (stable rate) - User 1 deposits 1000 DAI, user 2 tries to borrow 1000 DAI at a stable rate without any collateral (revert expected): - - AssertionError: expected '0' to be almost equal or equal '428000013222681762110' for property principalStableDebt - + expected - actual - - -0 - +428000013222681762110 - - at expectEqual (test/helpers/actions.ts:806:26) - at /src/test/helpers/actions.ts:189:5 - at step (test/helpers/actions.ts:33:23) - at Object.next (test/helpers/actions.ts:14:53) - at fulfilled (test/helpers/actions.ts:5:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - 21) LendingPool: Borrow/repay (stable rate) - User 0 deposits 1000 DAI, user 1,2,3,4 deposit 1 WETH each and borrow 100 DAI at stable rate. Everything is repaid, user 0 withdraws: - Error: VM Exception while processing transaction: revert There is not enough collateral to cover a new borrow - at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) - at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) - at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) - at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) - at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) - at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) - at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - 22) LendingPool: Borrow/repay (variable rate) - User 1 tries to borrow the rest of the USDC liquidity (revert expected): - - AssertionError: There is not enough collateral to cover a new borrow: Expected transaction to be reverted - + expected - actual - - -Transaction NOT reverted. - +Transaction reverted. - - - - 23) LendingPool: Borrow/repay (variable rate) - User 1 deposits 1000 DAI, user 3 tries to borrow 1000 DAI without any collateral (revert expected): - - AssertionError: The collateral balance is 0: Expected transaction to be reverted - + expected - actual - - -Transaction NOT reverted. - +Transaction reverted. - - - - 24) LendingPool: Borrow/repay (variable rate) - user 3 deposits 0.1 ETH collateral to borrow 100 DAI; 0.1 ETH is not enough to borrow 100 DAI (revert expected): - - AssertionError: There is not enough collateral to cover a new borrow: Expected transaction to be reverted - + expected - actual - - -Transaction NOT reverted. - +Transaction reverted. - - - - 25) LendingPool: Borrow/repay (variable rate) - user 3 deposits 0.1 ETH collateral to borrow 100 USDC; 0.1 ETH is not enough to borrow 100 USDC (revert expected): - - AssertionError: There is not enough collateral to cover a new borrow: Expected transaction to be reverted - + expected - actual - - -Transaction NOT reverted. - +Transaction reverted. - - - - 26) LendingPool: Borrow/repay (variable rate) - User 0 deposits 1000 DAI, user 6 deposits 2 WETH and borrow 100 DAI at variable rate first, then 100 DAI at stable rate, repays everything. User 0 withdraws: - Error: VM Exception while processing transaction: revert There is not enough collateral to cover a new borrow - at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) - at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) - at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) - at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) - at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) - at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) - at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - 27) AToken: interest rate redirection negative test cases - User 0 tries to redirect the interest to user 2 twice (revert expected): - - AssertionError: expected '3000000004666017561994' to be almost equal or equal '3000002809866499332595' for property redirectionAddressRedirectedBalance - + expected - actual - - -3000000004666017561994 - +3000002809866499332595 - - at expectEqual (test/helpers/actions.ts:806:26) - at /src/test/helpers/actions.ts:692:5 - at step (test/helpers/actions.ts:33:23) - at Object.next (test/helpers/actions.ts:14:53) - at fulfilled (test/helpers/actions.ts:5:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - 28) AToken: interest rate redirection negative test cases - User 3 with 0 balance tries to redirect the interest to user 2 (revert expected): - - AssertionError: Interest stream can only be redirected if there is a valid balance: Expected transaction to be reverted - + expected - actual - - -Transaction NOT reverted. - +Transaction reverted. - - - - 29) AToken: interest rate redirection - User 0 deposits 1000 DAI, redirects the interest to user 2: - Error: VM Exception while processing transaction: revert Interest is already redirected to the user - at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) - at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) - at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) - at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) - at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) - at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) - at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - 30) AToken: interest rate redirection - User 1 borrows another 100 DAI, repay the whole amount. Users 0 and User 2 withdraw: - - AssertionError: expected '1018781912658889894052315977' to be almost equal or equal '1018781912797584526993908257' for property currentATokenUserIndex - + expected - actual - - -1018781912658889894052315977 - +1018781912797584526993908257 - - at expectEqual (test/helpers/actions.ts:806:26) - at /src/test/helpers/actions.ts:267:5 - at step (test/helpers/actions.ts:33:23) - at Object.next (test/helpers/actions.ts:14:53) - at fulfilled (test/helpers/actions.ts:5:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - 31) AToken: interest rate redirection - User 0 deposits 1000 DAI, redirects interest to user 2, user 1 borrows 100 DAI. After one year, user 0 redirects interest back to himself, user 1 borrows another 100 DAI and after another year repays the whole amount. Users 0 and User 2 withdraw: - - AssertionError: expected '1020673495374568972552' to be almost equal or equal '1020673495380218720173' for property redirectionAddressRedirectedBalance - + expected - actual - - -1020673495374568972552 - +1020673495380218720173 - - at expectEqual (test/helpers/actions.ts:806:26) - at /src/test/helpers/actions.ts:692:5 - at step (test/helpers/actions.ts:33:23) - at Object.next (test/helpers/actions.ts:14:53) - at fulfilled (test/helpers/actions.ts:5:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - 32) AToken: interest rate redirection - User 0 deposits 1000 DAI, redirects interest to user 2, user 1 borrows 100 DAI. After one year, user 2 redirects interest to user 3. user 1 borrows another 100 DAI, user 0 deposits another 100 DAI. User 1 repays the whole amount. Users 0, 2 first 1 DAI, then everything. User 3 withdraws: - Error: VM Exception while processing transaction: revert Interest is already redirected to the user - at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) - at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) - at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) - at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) - at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) - at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) - at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - 33) LendingPool: Rebalance stable rate - User 1 swaps to stable, user 0 tries to rebalance but the conditions are not met (revert expected): - Error: VM Exception while processing transaction: revert 12 - at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) - at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) - at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) - at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) - at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) - at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) - at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - 34) LendingPool: Rebalance stable rate - User 2 deposits ETH and borrows the remaining DAI, causing the stable rates to rise (liquidity rate < user 1 borrow rate). User 0 tries to rebalance user 1 (revert expected): - Error: VM Exception while processing transaction: revert There is not enough collateral to cover a new borrow - at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) - at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) - at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) - at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) - at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) - at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) - at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - 35) LendingPool: Rebalance stable rate - User 2 borrows more DAI, causing the liquidity rate to rise above user 1 stable borrow rate User 0 rebalances user 1: - Error: VM Exception while processing transaction: revert There is not enough collateral to cover a new borrow - at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) - at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) - at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) - at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) - at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) - at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) - at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - 36) LendingPool: Usage as collateral - User 1 Deposits 2 ETH, disables ETH as collateral, borrows 400 DAI (revert expected): - - AssertionError: The collateral balance is 0: Expected transaction to be reverted - + expected - actual - - -Transaction NOT reverted. - +Transaction reverted. - - - - 37) LendingPool: Usage as collateral - User 1 disables ETH as collateral (revert expected): - - AssertionError: User deposit is already being used as collateral: Expected transaction to be reverted - + expected - actual - - -Transaction NOT reverted. - +Transaction reverted. - - - - 38) LendingPool: Swap rate mode - User 0 deposits 1000 DAI, user 1 deposits 2 ETH as collateral, borrows 100 DAI at variable rate and swaps to stable after one year: - Error: VM Exception while processing transaction: revert 12 - at HttpProvider.send (node_modules/@nomiclabs/buidler/src/internal/core/providers/http.ts:36:34) - at getMultipliedGasEstimation (node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:150:45) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:108:14 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/accounts.ts:219:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:63:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at /src/node_modules/@nomiclabs/buidler/src/internal/core/providers/gas-providers.ts:82:21 - at Proxy.cloningSendWrapper (node_modules/@nomiclabs/buidler/src/internal/core/providers/wrapper.ts:9:12) - at EthersProviderWrapper.send (node_modules/@nomiclabs/buidler-ethers/src/ethers-provider-wrapper.ts:13:48) - at EthersProviderWrapper.JsonRpcProvider.perform (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:432:21) - at EthersProviderWrapper. (node_modules/@ethersproject/providers/src.ts/base-provider.ts:850:42) - at step (node_modules/@ethersproject/providers/lib/base-provider.js:46:23) - at Object.next (node_modules/@ethersproject/providers/lib/base-provider.js:27:53) - at fulfilled (node_modules/@ethersproject/providers/lib/base-provider.js:18:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - 39) LendingPool: Swap rate mode - User 1 borrows another 100 DAI, and swaps back to variable after one year, repays the loan: - - AssertionError: expected '10698732000442685488829' to be almost equal or equal '10652337619880722614595' for property totalLiquidity - + expected - actual - - -10698732000442685488829 - +10652337619880722614595 - - at expectEqual (test/helpers/actions.ts:806:26) - at /src/test/helpers/actions.ts:571:5 - at step (test/helpers/actions.ts:33:23) - at Object.next (test/helpers/actions.ts:14:53) - at fulfilled (test/helpers/actions.ts:5:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - 40) LendingPool: Redeem negative test cases - Users 0 tries to redeem 1100 DAI from the 1000 DAI deposited (revert expected): - - AssertionError: User cannot redeem more than the available balance: Expected transaction to be reverted - + expected - actual - - -Transaction NOT reverted. - +Transaction reverted. - - - - 41) LendingPool: Redeem negative test cases - Users 1 deposits 1 WETH, borrows 100 DAI, tries to redeem the 1 WETH deposited (revert expected): - - AssertionError: Transfer cannot be allowed.: Expected transaction to be reverted - + expected - actual - - -Transaction NOT reverted. - +Transaction reverted. - - - - 42) LendingPool: withdraw - Users 0 and 1 Deposit 1000 DAI, both withdraw: - - AssertionError: expected '100000000000000000000' to be almost equal or equal '1156444960439594400554' for property principalStableDebt - + expected - actual - - -100000000000000000000 - +1156444960439594400554 - - at expectEqual (test/helpers/actions.ts:806:26) - at /src/test/helpers/actions.ts:189:5 - at step (test/helpers/actions.ts:33:23) - at Object.next (test/helpers/actions.ts:14:53) - at fulfilled (test/helpers/actions.ts:5:58) - at runMicrotasks () - at processTicksAndRejections (internal/process/task_queues.js:97:5) - - - From 928770d9d5bcb703df71511f901aa96a0e7f4fdc Mon Sep 17 00:00:00 2001 From: The3D Date: Mon, 24 Aug 2020 01:22:14 +0200 Subject: [PATCH 06/17] Updated flashloans V2 --- buidler.config.ts | 2 +- contracts/interfaces/ILendingPool.sol | 26 +-- contracts/lendingpool/LendingPool.sol | 86 ++++++-- contracts/libraries/logic/ValidationLogic.sol | 9 - helpers/types.ts | 1 + test/flashloan.spec.ts | 188 +++++++++++++----- 6 files changed, 208 insertions(+), 104 deletions(-) diff --git a/buidler.config.ts b/buidler.config.ts index d0657ab0..d21f5293 100644 --- a/buidler.config.ts +++ b/buidler.config.ts @@ -8,7 +8,7 @@ usePlugin('buidler-typechain'); usePlugin('solidity-coverage'); usePlugin('@nomiclabs/buidler-waffle'); usePlugin('@nomiclabs/buidler-etherscan'); -usePlugin('buidler-gas-reporter'); +//usePlugin('buidler-gas-reporter'); const DEFAULT_BLOCK_GAS_LIMIT = 10000000; const DEFAULT_GAS_PRICE = 10; diff --git a/contracts/interfaces/ILendingPool.sol b/contracts/interfaces/ILendingPool.sol index 43bfb554..cc676666 100644 --- a/contracts/interfaces/ILendingPool.sol +++ b/contracts/interfaces/ILendingPool.sol @@ -63,7 +63,7 @@ interface ILendingPool { * @param reserve the address of the reserve * @param user the address of the user executing the swap **/ - event Swap(address indexed reserve, address indexed user, uint256 timestamp); + event Swap(address indexed reserve, address indexed user); /** * @dev emitted when a user enables a reserve as collateral @@ -91,12 +91,14 @@ interface ILendingPool { * @param reserve the address of the reserve * @param amount the amount requested * @param totalFee the total fee on the amount + * @param referralCode the referral code of the caller **/ event FlashLoan( address indexed target, address indexed reserve, uint256 amount, - uint256 totalFee + uint256 totalFee, + uint16 referralCode ); /** * @dev these events are not emitted directly by the LendingPool @@ -105,21 +107,6 @@ interface ILendingPool { * This allows to have the events in the generated ABI for LendingPool. **/ - /** - * @dev emitted when a borrow fee is liquidated - * @param collateral the address of the collateral being liquidated - * @param reserve the address of the reserve - * @param user the address of the user being liquidated - * @param feeLiquidated the total fee liquidated - * @param liquidatedCollateralForFee the amount of collateral received by the protocol in exchange for the fee - **/ - event OriginationFeeLiquidated( - address indexed collateral, - address indexed reserve, - address indexed user, - uint256 feeLiquidated, - uint256 liquidatedCollateralForFee - ); /** * @dev emitted when a borrower is liquidated * @param collateral the address of the collateral being liquidated @@ -238,12 +225,15 @@ interface ILendingPool { * @param receiver The address of the contract receiving the funds. The receiver should implement the IFlashLoanReceiver interface. * @param reserve the address of the principal reserve * @param amount the amount requested for this flashloan + * @param params a bytes array to be sent to the flashloan executor + * @param referralCode the referral code of the caller **/ function flashLoan( address receiver, address reserve, uint256 amount, - bytes calldata params + bytes calldata params, + uint16 referralCode ) external; /** diff --git a/contracts/lendingpool/LendingPool.sol b/contracts/lendingpool/LendingPool.sol index 77f04893..0066076d 100644 --- a/contracts/lendingpool/LendingPool.sol +++ b/contracts/lendingpool/LendingPool.sol @@ -108,7 +108,6 @@ contract LendingPool is VersionedInitializable, ILendingPool { //transfer to the aToken contract IERC20(asset).safeTransferFrom(msg.sender, address(aToken), amount); - //solium-disable-next-line emit Deposit(asset, msg.sender, amount, referralCode); } @@ -152,7 +151,6 @@ contract LendingPool is VersionedInitializable, ILendingPool { aToken.burn(msg.sender, msg.sender, amountToWithdraw); - //solium-disable-next-line emit Withdraw(asset, msg.sender, amount); } @@ -320,9 +318,7 @@ contract LendingPool is VersionedInitializable, ILendingPool { emit Swap( asset, - msg.sender, - //solium-disable-next-line - block.timestamp + msg.sender ); } @@ -441,6 +437,15 @@ contract LendingPool is VersionedInitializable, ILendingPool { } } + struct FlashLoanLocalVars{ + uint256 amountFee; + uint256 amountPlusFee; + uint256 amountPlusFeeInETH; + IFlashLoanReceiver receiver; + address aTokenAddress; + address oracle; + } + /** * @dev allows smartcontracts to access the liquidity of the pool within one transaction, * as long as the amount taken plus a fee is returned. NOTE There are security concerns for developers of flashloan receiver contracts @@ -453,40 +458,77 @@ contract LendingPool is VersionedInitializable, ILendingPool { address receiverAddress, address asset, uint256 amount, - bytes calldata params + bytes calldata params, + uint16 referralCode ) external override { ReserveLogic.ReserveData storage reserve = _reserves[asset]; + FlashLoanLocalVars memory vars; - address aTokenAddress = reserve.aTokenAddress; + vars.aTokenAddress = reserve.aTokenAddress; //calculate amount fee - uint256 amountFee = amount.mul(FLASHLOAN_FEE_TOTAL).div(10000); + vars.amountFee = amount.mul(FLASHLOAN_FEE_TOTAL).div(10000); - require(amountFee > 0, 'The requested amount is too small for a FlashLoan.'); + require(vars.amountFee > 0, 'The requested amount is too small for a FlashLoan.'); //get the FlashLoanReceiver instance - IFlashLoanReceiver receiver = IFlashLoanReceiver(receiverAddress); + vars.receiver = IFlashLoanReceiver(receiverAddress); //transfer funds to the receiver - IAToken(aTokenAddress).transferUnderlyingTo(receiverAddress, amount); + IAToken(vars.aTokenAddress).transferUnderlyingTo(receiverAddress, amount); //execute action of the receiver - receiver.executeOperation(asset, amount, amountFee, params); + vars.receiver.executeOperation(asset, amount, vars.amountFee, params); - //transfer from the receiver the amount plus the fee - IERC20(asset).safeTransferFrom(receiverAddress, aTokenAddress, amount.add(amountFee)); - - //compounding the cumulated interest + //compounding the cumulated interest reserve.updateCumulativeIndexesAndTimestamp(); - //compounding the received fee into the reserve - reserve.cumulateToLiquidityIndex(IERC20(aTokenAddress).totalSupply(), amountFee); + vars.amountPlusFee = amount.add(vars.amountFee); - //refresh interest rates - reserve.updateInterestRates(asset, amountFee, 0); + //transfer from the receiver the amount plus the fee + try IERC20(asset).transferFrom(receiverAddress, vars.aTokenAddress, vars.amountPlusFee) { + //if the transfer succeeded, the executor has repaid the flashloans. + //the fee is compounded into the reserve + reserve.cumulateToLiquidityIndex(IERC20(vars.aTokenAddress).totalSupply(), vars.amountFee); + //refresh interest rates + reserve.updateInterestRates(asset, vars.amountFee, 0); + emit FlashLoan(receiverAddress, asset, amount, vars.amountFee, referralCode); + } + catch(bytes memory reason){ - //solium-disable-next-line - emit FlashLoan(receiverAddress, asset, amount, amountFee); + //if the transfer didn't succeed, the executor either didn't return the funds, or didn't approve the transfer. + //we check if the caller has enough collateral to open a variable rate loan. If it does, then debt is mint to msg.sender + vars.oracle = addressesProvider.getPriceOracle(); + vars.amountPlusFeeInETH = IPriceOracleGetter(vars.oracle) + .getAssetPrice(asset) + .mul(vars.amountPlusFee) + .div(10**reserve.configuration.getDecimals()); //price is in ether + + ValidationLogic.validateBorrow( + reserve, + asset, + vars.amountPlusFee, + vars.amountPlusFeeInETH, + uint256(ReserveLogic.InterestRateMode.VARIABLE), + MAX_STABLE_RATE_BORROW_SIZE_PERCENT, + _reserves, + _usersConfig[msg.sender], + reservesList, + vars.oracle + ); + + IVariableDebtToken(reserve.variableDebtTokenAddress).mint(msg.sender, vars.amountPlusFee); + //refresh interest rates + reserve.updateInterestRates(asset, vars.amountFee, 0); + emit Borrow( + asset, + msg.sender, + vars.amountPlusFee, + uint256(ReserveLogic.InterestRateMode.VARIABLE), + reserve.currentVariableBorrowRate, + referralCode + ); + } } /** diff --git a/contracts/libraries/logic/ValidationLogic.sol b/contracts/libraries/logic/ValidationLogic.sol index abba4592..dd3ef25a 100644 --- a/contracts/libraries/logic/ValidationLogic.sol +++ b/contracts/libraries/logic/ValidationLogic.sol @@ -62,10 +62,6 @@ library ValidationLogic { ) external view { require(amount > 0, 'Amount must be greater than 0'); - uint256 currentAvailableLiquidity = IERC20(reserveAddress).balanceOf(address(aTokenAddress)); - - require(currentAvailableLiquidity >= amount, '4'); - require(amount <= userBalance, 'User cannot withdraw more than the available balance'); require( @@ -150,11 +146,6 @@ library ValidationLogic { 'Invalid interest rate mode selected' ); - //check that the amount is available in the reserve - vars.availableLiquidity = IERC20(reserveAddress).balanceOf(address(reserve.aTokenAddress)); - - require(vars.availableLiquidity >= amount, '7'); - ( vars.userCollateralBalanceETH, vars.userBorrowBalanceETH, diff --git a/helpers/types.ts b/helpers/types.ts index 625da1f4..08ca3320 100644 --- a/helpers/types.ts +++ b/helpers/types.ts @@ -63,6 +63,7 @@ export enum ProtocolErrors { INVALID_HF = 'Invalid health factor', USER_DID_NOT_BORROW_SPECIFIED = 'User did not borrow the specified currency', THE_COLLATERAL_CHOSEN_CANNOT_BE_LIQUIDATED = 'The collateral chosen cannot be liquidated', + COLLATERAL_BALANCE_IS_0 = 'The collateral balance is 0' } export type tEthereumAddress = string; diff --git a/test/flashloan.spec.ts b/test/flashloan.spec.ts index cbbda7d6..dfda3085 100644 --- a/test/flashloan.spec.ts +++ b/test/flashloan.spec.ts @@ -1,18 +1,20 @@ -import {TestEnv, makeSuite} from './helpers/make-suite'; -import {APPROVAL_AMOUNT_LENDING_POOL, oneRay} from '../helpers/constants'; -import {convertToCurrencyDecimals, getMockFlashLoanReceiver} from '../helpers/contracts-helpers'; -import {ethers} from 'ethers'; -import {MockFlashLoanReceiver} from '../types/MockFlashLoanReceiver'; -import {ProtocolErrors} from '../helpers/types'; +import { TestEnv, makeSuite } from './helpers/make-suite'; +import { APPROVAL_AMOUNT_LENDING_POOL, oneRay } from '../helpers/constants'; +import { convertToCurrencyDecimals, getMockFlashLoanReceiver, getContract } from '../helpers/contracts-helpers'; +import { ethers } from 'ethers'; +import { MockFlashLoanReceiver } from '../types/MockFlashLoanReceiver'; +import { ProtocolErrors, eContractid } from '../helpers/types'; import BigNumber from 'bignumber.js'; +import { VariableDebtToken } from '../types/VariableDebtToken'; -const {expect} = require('chai'); +const { expect } = require('chai'); makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { let _mockFlashLoanReceiver = {} as MockFlashLoanReceiver; const { TRANSFER_AMOUNT_EXCEEDS_BALANCE, TOO_SMALL_FLASH_LOAN, + COLLATERAL_BALANCE_IS_0, } = ProtocolErrors; before(async () => { @@ -20,7 +22,7 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { }); it('Deposits ETH into the reserve', async () => { - const {pool, weth} = testEnv; + const { pool, weth } = testEnv; const amountToDeposit = ethers.utils.parseEther('1'); await weth.mint(amountToDeposit); @@ -31,13 +33,14 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { }); it('Takes ETH flashloan, returns the funds correctly', async () => { - const {pool, deployer, weth} = testEnv; + const { pool, deployer, weth } = testEnv; await pool.flashLoan( _mockFlashLoanReceiver.address, weth.address, ethers.utils.parseEther('0.8'), - '0x10' + '0x10', + '0' ); ethers.utils.parseUnits('10000'); @@ -57,17 +60,15 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { }); it('Takes an ETH flashloan as big as the available liquidity', async () => { - const {pool, weth} = testEnv; + const { pool, weth } = testEnv; const reserveDataBefore = await pool.getReserveData(weth.address); - - console.log("Total liquidity is ", reserveDataBefore.availableLiquidity.toString()); - const txResult = await pool.flashLoan( _mockFlashLoanReceiver.address, weth.address, '1000720000000000000', - '0x10' + '0x10', + '0' ); const reserveData = await pool.getReserveData(weth.address); @@ -84,83 +85,122 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { expect(currentLiquidityIndex.toString()).to.be.equal('1001620648000000000000000000'); }); - it('Takes WETH flashloan, does not return the funds (revert expected)', async () => { - const {pool, deployer, weth} = testEnv; - - // move funds to the MockFlashLoanReceiver contract to pay the fee - + it('Takes WETH flashloan, does not return the funds. Caller does not have any collateral (revert expected)', async () => { + const { pool, weth, users } = testEnv; + const caller = users[1]; await _mockFlashLoanReceiver.setFailExecutionTransfer(true); await expect( - pool.flashLoan( + pool + .connect(caller.signer) + .flashLoan( + _mockFlashLoanReceiver.address, + weth.address, + ethers.utils.parseEther('0.8'), + '0x10', + '0' + ) + ).to.be.revertedWith(COLLATERAL_BALANCE_IS_0); + }); + + it('Caller deposits 1000 DAI as collateral, Takes WETH flashloan, does not return the funds. A loan for caller is created', async () => { + const { dai, pool, weth, users } = testEnv; + + const caller = users[1]; + + await dai.connect(caller.signer).mint(await convertToCurrencyDecimals(dai.address, '1000')); + + await dai.connect(caller.signer).approve(pool.address, APPROVAL_AMOUNT_LENDING_POOL); + + const amountToDeposit = await convertToCurrencyDecimals(dai.address, '1000'); + + await pool.connect(caller.signer).deposit(dai.address, amountToDeposit, '0'); + + await _mockFlashLoanReceiver.setFailExecutionTransfer(true); + + await pool + .connect(caller.signer) + .flashLoan( _mockFlashLoanReceiver.address, weth.address, ethers.utils.parseEther('0.8'), - '0x10' - ) - ).to.be.revertedWith(TRANSFER_AMOUNT_EXCEEDS_BALANCE); + '0x10', + '0' + ); + const {variableDebtTokenAddress} = await pool.getReserveTokensAddresses(weth.address); + + const wethDebtToken = await getContract(eContractid.VariableDebtToken, variableDebtTokenAddress); + + const callerDebt = await wethDebtToken.balanceOf(caller.address); + + expect(callerDebt.toString()).to.be.equal('800720000000000000', 'Invalid user debt'); }); it('tries to take a very small flashloan, which would result in 0 fees (revert expected)', async () => { - const {pool, weth} = testEnv; + const { pool, weth } = testEnv; await expect( pool.flashLoan( _mockFlashLoanReceiver.address, weth.address, '1', //1 wei loan - '0x10' + '0x10', + '0' ) ).to.be.revertedWith(TOO_SMALL_FLASH_LOAN); }); it('tries to take a flashloan that is bigger than the available liquidity (revert expected)', async () => { - const {pool, weth} = testEnv; + const { pool, weth } = testEnv; await expect( pool.flashLoan( _mockFlashLoanReceiver.address, weth.address, '1004415000000000000', //slightly higher than the available liquidity - '0x10' + '0x10', + '0' ), TRANSFER_AMOUNT_EXCEEDS_BALANCE ).to.be.revertedWith(TRANSFER_AMOUNT_EXCEEDS_BALANCE); }); it('tries to take a flashloan using a non contract address as receiver (revert expected)', async () => { - const {pool, deployer, weth} = testEnv; + const { pool, deployer, weth } = testEnv; - await expect(pool.flashLoan(deployer.address, weth.address, '1000000000000000000', '0x10')).to - .be.reverted; + await expect(pool.flashLoan(deployer.address, weth.address, '1000000000000000000', '0x10', '0')) + .to.be.reverted; }); - it('Deposits DAI into the reserve', async () => { - const {dai, pool} = testEnv; + it('Deposits USDC into the reserve', async () => { + const { usdc, pool } = testEnv; - await dai.mint(await convertToCurrencyDecimals(dai.address, '1000')); + await usdc.mint(await convertToCurrencyDecimals(usdc.address, '1000')); - await dai.approve(pool.address, APPROVAL_AMOUNT_LENDING_POOL); + await usdc.approve(pool.address, APPROVAL_AMOUNT_LENDING_POOL); - const amountToDeposit = await convertToCurrencyDecimals(dai.address, '1000'); + const amountToDeposit = await convertToCurrencyDecimals(usdc.address, '1000'); - await pool.deposit(dai.address, amountToDeposit, '0'); + await pool.deposit(usdc.address, amountToDeposit, '0'); }); - it('Takes out a 500 DAI flashloan, returns the funds correctly', async () => { - const {dai, pool, deployer: depositor} = testEnv; + it('Takes out a 500 USDC flashloan, returns the funds correctly', async () => { + const { usdc, pool, deployer: depositor } = testEnv; await _mockFlashLoanReceiver.setFailExecutionTransfer(false); + const flashloanAmount = await convertToCurrencyDecimals(usdc.address, '500'); + await pool.flashLoan( _mockFlashLoanReceiver.address, - dai.address, - ethers.utils.parseEther('500'), - '0x10' + usdc.address, + flashloanAmount, + '0x10', + '0' ); - const reserveData = await pool.getReserveData(dai.address); - const userData = await pool.getUserReserveData(dai.address, depositor.address); + const reserveData = await pool.getReserveData(usdc.address); + const userData = await pool.getUserReserveData(usdc.address, depositor.address); const totalLiquidity = reserveData.availableLiquidity .add(reserveData.totalBorrowsStable) @@ -170,7 +210,7 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { const currentLiquidityIndex = reserveData.liquidityIndex.toString(); const currentUserBalance = userData.currentATokenBalance.toString(); - const expectedLiquidity = ethers.utils.parseEther('1000.450'); + const expectedLiquidity = await convertToCurrencyDecimals(usdc.address,'1000.450'); expect(totalLiquidity).to.be.equal(expectedLiquidity, 'Invalid total liquidity'); expect(currentLiqudityRate).to.be.equal('0', 'Invalid liquidity rate'); @@ -181,19 +221,59 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { expect(currentUserBalance.toString()).to.be.equal(expectedLiquidity, 'Invalid user balance'); }); - it('Takes out a 500 DAI flashloan, does not return the funds (revert expected)', async () => { - const {dai, pool} = testEnv; + it('Takes out a 500 USDC flashloan, does not return the funds. Caller does not have any collateral (revert expected)', async () => { + const { usdc, pool, users } = testEnv; + const caller = users[2]; + + const flashloanAmount = await convertToCurrencyDecimals(usdc.address, '500'); await _mockFlashLoanReceiver.setFailExecutionTransfer(true); await expect( - pool.flashLoan( + pool + .connect(caller.signer) + .flashLoan( + _mockFlashLoanReceiver.address, + usdc.address, + flashloanAmount, + '0x10', + '0' + ) + ).to.be.revertedWith(COLLATERAL_BALANCE_IS_0); + }); + + it('Caller deposits 5 ETH as collateral, Takes a USDC flashloan, does not return the funds. A loan for caller is created', async () => { + const { usdc, pool, weth, users } = testEnv; + + const caller = users[2]; + + await weth.connect(caller.signer).mint(await convertToCurrencyDecimals(weth.address, '5')); + + await weth.connect(caller.signer).approve(pool.address, APPROVAL_AMOUNT_LENDING_POOL); + + const amountToDeposit = await convertToCurrencyDecimals(weth.address, '5'); + + await pool.connect(caller.signer).deposit(weth.address, amountToDeposit, '0'); + + await _mockFlashLoanReceiver.setFailExecutionTransfer(true); + + const flashloanAmount = await convertToCurrencyDecimals(usdc.address, '500'); + + await pool + .connect(caller.signer) + .flashLoan( _mockFlashLoanReceiver.address, - dai.address, - ethers.utils.parseEther('500'), - '0x10' - ), - TRANSFER_AMOUNT_EXCEEDS_BALANCE - ).to.be.revertedWith(TRANSFER_AMOUNT_EXCEEDS_BALANCE); + usdc.address, + flashloanAmount, + '0x10', + '0' + ); + const {variableDebtTokenAddress} = await pool.getReserveTokensAddresses(usdc.address); + + const usdcDebtToken = await getContract(eContractid.VariableDebtToken, variableDebtTokenAddress); + + const callerDebt = await usdcDebtToken.balanceOf(caller.address); + + expect(callerDebt.toString()).to.be.equal('500450000', 'Invalid user debt'); }); }); From dce7a73dda58d4d259a8ccb920d5369acbb71d9d Mon Sep 17 00:00:00 2001 From: The3D Date: Mon, 24 Aug 2020 01:30:01 +0200 Subject: [PATCH 07/17] Renamed flashloan fee in premium --- contracts/interfaces/ILendingPool.sol | 4 +- contracts/lendingpool/LendingPool.sol | 55 ++++++++++++++------------- 2 files changed, 30 insertions(+), 29 deletions(-) diff --git a/contracts/interfaces/ILendingPool.sol b/contracts/interfaces/ILendingPool.sol index cc676666..5b15ce74 100644 --- a/contracts/interfaces/ILendingPool.sol +++ b/contracts/interfaces/ILendingPool.sol @@ -90,14 +90,14 @@ interface ILendingPool { * @param target the address of the flashLoanReceiver * @param reserve the address of the reserve * @param amount the amount requested - * @param totalFee the total fee on the amount + * @param totalPremium the total fee on the amount * @param referralCode the referral code of the caller **/ event FlashLoan( address indexed target, address indexed reserve, uint256 amount, - uint256 totalFee, + uint256 totalPremium, uint16 referralCode ); /** diff --git a/contracts/lendingpool/LendingPool.sol b/contracts/lendingpool/LendingPool.sol index 0066076d..fcdc1149 100644 --- a/contracts/lendingpool/LendingPool.sol +++ b/contracts/lendingpool/LendingPool.sol @@ -41,7 +41,7 @@ contract LendingPool is VersionedInitializable, ILendingPool { //main configuration parameters uint256 public constant REBALANCE_DOWN_RATE_DELTA = (1e27) / 5; uint256 public constant MAX_STABLE_RATE_BORROW_SIZE_PERCENT = 25; - uint256 public constant FLASHLOAN_FEE_TOTAL = 9; + uint256 public constant FLASHLOAN_PREMIUM_TOTAL = 9; ILendingPoolAddressesProvider internal addressesProvider; @@ -438,9 +438,9 @@ contract LendingPool is VersionedInitializable, ILendingPool { } struct FlashLoanLocalVars{ - uint256 amountFee; - uint256 amountPlusFee; - uint256 amountPlusFeeInETH; + uint256 premium; + uint256 amountPlusPremium; + uint256 amountPlusPremiumInETH; IFlashLoanReceiver receiver; address aTokenAddress; address oracle; @@ -467,9 +467,9 @@ contract LendingPool is VersionedInitializable, ILendingPool { vars.aTokenAddress = reserve.aTokenAddress; //calculate amount fee - vars.amountFee = amount.mul(FLASHLOAN_FEE_TOTAL).div(10000); + vars.premium = amount.mul(FLASHLOAN_PREMIUM_TOTAL).div(10000); - require(vars.amountFee > 0, 'The requested amount is too small for a FlashLoan.'); + require(vars.premium > 0, 'The requested amount is too small for a FlashLoan.'); //get the FlashLoanReceiver instance vars.receiver = IFlashLoanReceiver(receiverAddress); @@ -478,52 +478,53 @@ contract LendingPool is VersionedInitializable, ILendingPool { IAToken(vars.aTokenAddress).transferUnderlyingTo(receiverAddress, amount); //execute action of the receiver - vars.receiver.executeOperation(asset, amount, vars.amountFee, params); + vars.receiver.executeOperation(asset, amount, vars.premium, params); //compounding the cumulated interest reserve.updateCumulativeIndexesAndTimestamp(); - vars.amountPlusFee = amount.add(vars.amountFee); + vars.amountPlusPremium = amount.add(vars.premium); //transfer from the receiver the amount plus the fee - try IERC20(asset).transferFrom(receiverAddress, vars.aTokenAddress, vars.amountPlusFee) { + try IERC20(asset).transferFrom(receiverAddress, vars.aTokenAddress, vars.amountPlusPremium) { //if the transfer succeeded, the executor has repaid the flashloans. //the fee is compounded into the reserve - reserve.cumulateToLiquidityIndex(IERC20(vars.aTokenAddress).totalSupply(), vars.amountFee); + reserve.cumulateToLiquidityIndex(IERC20(vars.aTokenAddress).totalSupply(), vars.premium); //refresh interest rates - reserve.updateInterestRates(asset, vars.amountFee, 0); - emit FlashLoan(receiverAddress, asset, amount, vars.amountFee, referralCode); + reserve.updateInterestRates(asset, vars.premium, 0); + emit FlashLoan(receiverAddress, asset, amount, vars.premium, referralCode); } catch(bytes memory reason){ //if the transfer didn't succeed, the executor either didn't return the funds, or didn't approve the transfer. //we check if the caller has enough collateral to open a variable rate loan. If it does, then debt is mint to msg.sender vars.oracle = addressesProvider.getPriceOracle(); - vars.amountPlusFeeInETH = IPriceOracleGetter(vars.oracle) + vars.amountPlusPremiumInETH = IPriceOracleGetter(vars.oracle) .getAssetPrice(asset) - .mul(vars.amountPlusFee) + .mul(vars.amountPlusPremium) .div(10**reserve.configuration.getDecimals()); //price is in ether ValidationLogic.validateBorrow( - reserve, - asset, - vars.amountPlusFee, - vars.amountPlusFeeInETH, - uint256(ReserveLogic.InterestRateMode.VARIABLE), - MAX_STABLE_RATE_BORROW_SIZE_PERCENT, - _reserves, - _usersConfig[msg.sender], - reservesList, - vars.oracle + reserve, + asset, + vars.amountPlusPremium, + vars.amountPlusPremiumInETH, + uint256(ReserveLogic.InterestRateMode.VARIABLE), + MAX_STABLE_RATE_BORROW_SIZE_PERCENT, + _reserves, + _usersConfig[msg.sender], + reservesList, + vars.oracle ); - IVariableDebtToken(reserve.variableDebtTokenAddress).mint(msg.sender, vars.amountPlusFee); + IVariableDebtToken(reserve.variableDebtTokenAddress).mint(msg.sender, vars.amountPlusPremium); //refresh interest rates - reserve.updateInterestRates(asset, vars.amountFee, 0); + reserve.updateInterestRates(asset, vars.premium, 0); + emit Borrow( asset, msg.sender, - vars.amountPlusFee, + vars.amountPlusPremium, uint256(ReserveLogic.InterestRateMode.VARIABLE), reserve.currentVariableBorrowRate, referralCode From d86aafda0c9eceb395cd005f08e4e3bf35b3e042 Mon Sep 17 00:00:00 2001 From: The3D Date: Mon, 24 Aug 2020 01:32:46 +0200 Subject: [PATCH 08/17] Fix on the interest rate update --- contracts/lendingpool/LendingPool.sol | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/contracts/lendingpool/LendingPool.sol b/contracts/lendingpool/LendingPool.sol index fcdc1149..69e4fb6e 100644 --- a/contracts/lendingpool/LendingPool.sol +++ b/contracts/lendingpool/LendingPool.sol @@ -487,7 +487,7 @@ contract LendingPool is VersionedInitializable, ILendingPool { //transfer from the receiver the amount plus the fee try IERC20(asset).transferFrom(receiverAddress, vars.aTokenAddress, vars.amountPlusPremium) { - //if the transfer succeeded, the executor has repaid the flashloans. + //if the transfer succeeded, the executor has repaid the flashloan. //the fee is compounded into the reserve reserve.cumulateToLiquidityIndex(IERC20(vars.aTokenAddress).totalSupply(), vars.premium); //refresh interest rates @@ -518,8 +518,8 @@ contract LendingPool is VersionedInitializable, ILendingPool { ); IVariableDebtToken(reserve.variableDebtTokenAddress).mint(msg.sender, vars.amountPlusPremium); - //refresh interest rates - reserve.updateInterestRates(asset, vars.premium, 0); + //refresh interest rate, substracting from the available liquidity the flashloan amount + reserve.updateInterestRates(asset, 0, amount); emit Borrow( asset, From 75da6e0fbab360b78876acc9ebbaf1a7e3bdebb6 Mon Sep 17 00:00:00 2001 From: eboado Date: Tue, 25 Aug 2020 12:55:05 +0200 Subject: [PATCH 09/17] - Adapted flashLoan() for partial debt opening. --- contracts/interfaces/ILendingPool.sol | 1 + contracts/lendingpool/LendingPool.sol | 174 ++++++++++++++------------ package.json | 1 + test/flashloan.spec.ts | 86 +++++++------ 4 files changed, 145 insertions(+), 117 deletions(-) diff --git a/contracts/interfaces/ILendingPool.sol b/contracts/interfaces/ILendingPool.sol index 5b15ce74..a7a5e1ca 100644 --- a/contracts/interfaces/ILendingPool.sol +++ b/contracts/interfaces/ILendingPool.sol @@ -232,6 +232,7 @@ interface ILendingPool { address receiver, address reserve, uint256 amount, + uint256 debtType, bytes calldata params, uint16 referralCode ) external; diff --git a/contracts/lendingpool/LendingPool.sol b/contracts/lendingpool/LendingPool.sol index 69e4fb6e..839c0c42 100644 --- a/contracts/lendingpool/LendingPool.sol +++ b/contracts/lendingpool/LendingPool.sol @@ -154,6 +154,15 @@ contract LendingPool is VersionedInitializable, ILendingPool { emit Withdraw(asset, msg.sender, amount); } + struct BorrowLocalVars { + address asset; + address user; + uint256 amount; + uint256 interestRateMode; + bool releaseUnderlying; + uint16 referralCode; + } + /** * @dev Allows users to borrow a specific amount of the reserve currency, provided that the borrower * already deposited enough collateral. @@ -167,25 +176,35 @@ contract LendingPool is VersionedInitializable, ILendingPool { uint256 interestRateMode, uint16 referralCode ) external override { - ReserveLogic.ReserveData storage reserve = _reserves[asset]; - UserConfiguration.Map storage userConfig = _usersConfig[msg.sender]; + _executeBorrow( + BorrowLocalVars(asset, msg.sender, amount, interestRateMode, true, referralCode) + ); + } - uint256 amountInETH = IPriceOracleGetter(addressesProvider.getPriceOracle()) - .getAssetPrice(asset) - .mul(amount) - .div(10**reserve.configuration.getDecimals()); //price is in ether + /** + * @dev Internal function to execute a borrowing action, allowing to transfer or not the underlying + * @param vars Input struct for the borrowing action, in order to avoid STD errors + **/ + function _executeBorrow(BorrowLocalVars memory vars) internal { + ReserveLogic.ReserveData storage reserve = _reserves[vars.asset]; + UserConfiguration.Map storage userConfig = _usersConfig[vars.user]; + + address oracle = addressesProvider.getPriceOracle(); + uint256 amountInETH = IPriceOracleGetter(oracle).getAssetPrice(vars.asset).mul(vars.amount).div( + 10**reserve.configuration.getDecimals() + ); ValidationLogic.validateBorrow( reserve, - asset, - amount, + vars.asset, + vars.amount, amountInETH, - interestRateMode, + vars.interestRateMode, MAX_STABLE_RATE_BORROW_SIZE_PERCENT, _reserves, - _usersConfig[msg.sender], + _usersConfig[vars.user], reservesList, - addressesProvider.getPriceOracle() + oracle ); //caching the current stable borrow rate @@ -193,30 +212,34 @@ contract LendingPool is VersionedInitializable, ILendingPool { reserve.updateCumulativeIndexesAndTimestamp(); - if (ReserveLogic.InterestRateMode(interestRateMode) == ReserveLogic.InterestRateMode.STABLE) { - IStableDebtToken(reserve.stableDebtTokenAddress).mint(msg.sender, amount, userStableRate); + if ( + ReserveLogic.InterestRateMode(vars.interestRateMode) == ReserveLogic.InterestRateMode.STABLE + ) { + IStableDebtToken(reserve.stableDebtTokenAddress).mint(vars.user, vars.amount, userStableRate); } else { - IVariableDebtToken(reserve.variableDebtTokenAddress).mint(msg.sender, amount); + IVariableDebtToken(reserve.variableDebtTokenAddress).mint(vars.user, vars.amount); } - reserve.updateInterestRates(asset, 0, amount); + reserve.updateInterestRates(vars.asset, 0, vars.amount); if (!userConfig.isBorrowing(reserve.index)) { userConfig.setBorrowing(reserve.index, true); } - //if we reached this point, we can transfer - IAToken(reserve.aTokenAddress).transferUnderlyingTo(msg.sender, amount); + //if we reached this point and we need to, we can transfer + if (vars.releaseUnderlying) { + IAToken(reserve.aTokenAddress).transferUnderlyingTo(vars.user, vars.amount); + } emit Borrow( - asset, - msg.sender, - amount, - interestRateMode, - ReserveLogic.InterestRateMode(interestRateMode) == ReserveLogic.InterestRateMode.STABLE + vars.asset, + vars.user, + vars.amount, + vars.interestRateMode, + ReserveLogic.InterestRateMode(vars.interestRateMode) == ReserveLogic.InterestRateMode.STABLE ? userStableRate : reserve.currentVariableBorrowRate, - referralCode + vars.referralCode ); } @@ -239,7 +262,7 @@ contract LendingPool is VersionedInitializable, ILendingPool { (uint256 stableDebt, uint256 variableDebt) = Helpers.getUserCurrentDebt(_onBehalfOf, reserve); ReserveLogic.InterestRateMode rateMode = ReserveLogic.InterestRateMode(_rateMode); - + //default to max amount uint256 paybackAmount = rateMode == ReserveLogic.InterestRateMode.STABLE ? stableDebt @@ -249,14 +272,7 @@ contract LendingPool is VersionedInitializable, ILendingPool { paybackAmount = amount; } - ValidationLogic.validateRepay( - reserve, - amount, - rateMode, - _onBehalfOf, - stableDebt, - variableDebt - ); + ValidationLogic.validateRepay(reserve, amount, rateMode, _onBehalfOf, stableDebt, variableDebt); reserve.updateCumulativeIndexesAndTimestamp(); @@ -316,10 +332,7 @@ contract LendingPool is VersionedInitializable, ILendingPool { reserve.updateInterestRates(asset, 0, 0); - emit Swap( - asset, - msg.sender - ); + emit Swap(asset, msg.sender); } /** @@ -374,10 +387,7 @@ contract LendingPool is VersionedInitializable, ILendingPool { * @param asset the address of the reserve * @param _useAsCollateral true if the user wants to user the deposit as collateral, false otherwise. **/ - function setUserUseReserveAsCollateral(address asset, bool _useAsCollateral) - external - override - { + function setUserUseReserveAsCollateral(address asset, bool _useAsCollateral) external override { ReserveLogic.ReserveData storage reserve = _reserves[asset]; ValidationLogic.validateSetUseReserveAsCollateral( @@ -437,10 +447,14 @@ contract LendingPool is VersionedInitializable, ILendingPool { } } - struct FlashLoanLocalVars{ + struct FlashLoanLocalVars { uint256 premium; uint256 amountPlusPremium; uint256 amountPlusPremiumInETH; + uint256 receiverBalance; + uint256 receiverAllowance; + uint256 balanceToPull; + uint256 assetPrice; IFlashLoanReceiver receiver; address aTokenAddress; address oracle; @@ -451,13 +465,17 @@ contract LendingPool is VersionedInitializable, ILendingPool { * as long as the amount taken plus a fee is returned. NOTE There are security concerns for developers of flashloan receiver contracts * that must be kept into consideration. For further details please visit https://developers.aave.com * @param receiverAddress The address of the contract receiving the funds. The receiver should implement the IFlashLoanReceiver interface. - * @param asset the address of the principal reserve - * @param amount the amount requested for this flashloan + * @param asset The address of the principal reserve + * @param amount The amount requested for this flashloan + * @param debtType Type of the debt to open if the flash loan is not returned. 0 -> Don't open any debt, just revert, 1 -> stable, 2 -> variable + * @param params Variadic packed params to pass to the receiver as extra information + * @param referralCode Referral code of the flash loan **/ function flashLoan( address receiverAddress, address asset, uint256 amount, + uint256 debtType, bytes calldata params, uint16 referralCode ) external override { @@ -486,49 +504,51 @@ contract LendingPool is VersionedInitializable, ILendingPool { vars.amountPlusPremium = amount.add(vars.premium); //transfer from the receiver the amount plus the fee - try IERC20(asset).transferFrom(receiverAddress, vars.aTokenAddress, vars.amountPlusPremium) { + try IERC20(asset).transferFrom(receiverAddress, vars.aTokenAddress, vars.amountPlusPremium) { //if the transfer succeeded, the executor has repaid the flashloan. //the fee is compounded into the reserve reserve.cumulateToLiquidityIndex(IERC20(vars.aTokenAddress).totalSupply(), vars.premium); //refresh interest rates reserve.updateInterestRates(asset, vars.premium, 0); emit FlashLoan(receiverAddress, asset, amount, vars.premium, referralCode); - } - catch(bytes memory reason){ + } catch (bytes memory reason) { + if (debtType == 1 || debtType == 2) { + // If the transfer didn't succeed, the receiver either didn't return the funds, or didn't approve the transfer. + // We will try to pull all the available funds from the receiver and create a debt position with the rest owed + // if it has collateral enough - //if the transfer didn't succeed, the executor either didn't return the funds, or didn't approve the transfer. - //we check if the caller has enough collateral to open a variable rate loan. If it does, then debt is mint to msg.sender - vars.oracle = addressesProvider.getPriceOracle(); - vars.amountPlusPremiumInETH = IPriceOracleGetter(vars.oracle) - .getAssetPrice(asset) - .mul(vars.amountPlusPremium) - .div(10**reserve.configuration.getDecimals()); //price is in ether + vars.receiverBalance = IERC20(asset).balanceOf(receiverAddress); + vars.receiverAllowance = IERC20(asset).allowance(receiverAddress, address(this)); + vars.balanceToPull = (vars.receiverBalance > vars.receiverAllowance) + ? vars.receiverAllowance + : vars.receiverBalance; - ValidationLogic.validateBorrow( - reserve, - asset, - vars.amountPlusPremium, - vars.amountPlusPremiumInETH, - uint256(ReserveLogic.InterestRateMode.VARIABLE), - MAX_STABLE_RATE_BORROW_SIZE_PERCENT, - _reserves, - _usersConfig[msg.sender], - reservesList, - vars.oracle - ); + if (vars.balanceToPull > 0) { + IERC20(asset).transferFrom(receiverAddress, vars.aTokenAddress, vars.balanceToPull); + reserve.cumulateToLiquidityIndex( + IERC20(vars.aTokenAddress).totalSupply(), + (vars.balanceToPull > vars.premium) ? vars.premium : vars.balanceToPull + ); + reserve.updateInterestRates( + asset, + (vars.balanceToPull > vars.premium) ? vars.premium : vars.balanceToPull, + 0 + ); + } - IVariableDebtToken(reserve.variableDebtTokenAddress).mint(msg.sender, vars.amountPlusPremium); - //refresh interest rate, substracting from the available liquidity the flashloan amount - reserve.updateInterestRates(asset, 0, amount); - - emit Borrow( - asset, - msg.sender, - vars.amountPlusPremium, - uint256(ReserveLogic.InterestRateMode.VARIABLE), - reserve.currentVariableBorrowRate, - referralCode - ); + _executeBorrow( + BorrowLocalVars( + asset, + msg.sender, + vars.amountPlusPremium.sub(vars.balanceToPull), + debtType, + false, + referralCode + ) + ); + } else { + revert(string(reason)); + } } } diff --git a/package.json b/package.json index 34e56bfa..606aaaf9 100644 --- a/package.json +++ b/package.json @@ -13,6 +13,7 @@ "types-gen": "typechain --target ethers-v5 --outDir ./types './artifacts/*.json'", "test": "buidler test", "test-scenarios": "buidler test test/__setup.spec.ts test/scenario.spec.ts", + "test-flash": "buidler test test/__setup.spec.ts test/flashloan.spec.ts", "dev:coverage": "buidler coverage", "dev:deployment": "buidler dev-deployment", "dev:deployExample": "buidler deploy-Example", diff --git a/test/flashloan.spec.ts b/test/flashloan.spec.ts index dfda3085..93915783 100644 --- a/test/flashloan.spec.ts +++ b/test/flashloan.spec.ts @@ -1,13 +1,17 @@ -import { TestEnv, makeSuite } from './helpers/make-suite'; -import { APPROVAL_AMOUNT_LENDING_POOL, oneRay } from '../helpers/constants'; -import { convertToCurrencyDecimals, getMockFlashLoanReceiver, getContract } from '../helpers/contracts-helpers'; -import { ethers } from 'ethers'; -import { MockFlashLoanReceiver } from '../types/MockFlashLoanReceiver'; -import { ProtocolErrors, eContractid } from '../helpers/types'; +import {TestEnv, makeSuite} from './helpers/make-suite'; +import {APPROVAL_AMOUNT_LENDING_POOL, oneRay} from '../helpers/constants'; +import { + convertToCurrencyDecimals, + getMockFlashLoanReceiver, + getContract, +} from '../helpers/contracts-helpers'; +import {ethers} from 'ethers'; +import {MockFlashLoanReceiver} from '../types/MockFlashLoanReceiver'; +import {ProtocolErrors, eContractid} from '../helpers/types'; import BigNumber from 'bignumber.js'; -import { VariableDebtToken } from '../types/VariableDebtToken'; +import {VariableDebtToken} from '../types/VariableDebtToken'; -const { expect } = require('chai'); +const {expect} = require('chai'); makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { let _mockFlashLoanReceiver = {} as MockFlashLoanReceiver; @@ -22,7 +26,7 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { }); it('Deposits ETH into the reserve', async () => { - const { pool, weth } = testEnv; + const {pool, weth} = testEnv; const amountToDeposit = ethers.utils.parseEther('1'); await weth.mint(amountToDeposit); @@ -33,12 +37,13 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { }); it('Takes ETH flashloan, returns the funds correctly', async () => { - const { pool, deployer, weth } = testEnv; + const {pool, deployer, weth} = testEnv; await pool.flashLoan( _mockFlashLoanReceiver.address, weth.address, ethers.utils.parseEther('0.8'), + 2, '0x10', '0' ); @@ -60,13 +65,14 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { }); it('Takes an ETH flashloan as big as the available liquidity', async () => { - const { pool, weth } = testEnv; + const {pool, weth} = testEnv; const reserveDataBefore = await pool.getReserveData(weth.address); const txResult = await pool.flashLoan( _mockFlashLoanReceiver.address, weth.address, '1000720000000000000', + 2, '0x10', '0' ); @@ -86,7 +92,7 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { }); it('Takes WETH flashloan, does not return the funds. Caller does not have any collateral (revert expected)', async () => { - const { pool, weth, users } = testEnv; + const {pool, weth, users} = testEnv; const caller = users[1]; await _mockFlashLoanReceiver.setFailExecutionTransfer(true); @@ -97,6 +103,7 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { _mockFlashLoanReceiver.address, weth.address, ethers.utils.parseEther('0.8'), + 2, '0x10', '0' ) @@ -104,7 +111,7 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { }); it('Caller deposits 1000 DAI as collateral, Takes WETH flashloan, does not return the funds. A loan for caller is created', async () => { - const { dai, pool, weth, users } = testEnv; + const {dai, pool, weth, users} = testEnv; const caller = users[1]; @@ -124,12 +131,16 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { _mockFlashLoanReceiver.address, weth.address, ethers.utils.parseEther('0.8'), + 2, '0x10', '0' ); const {variableDebtTokenAddress} = await pool.getReserveTokensAddresses(weth.address); - const wethDebtToken = await getContract(eContractid.VariableDebtToken, variableDebtTokenAddress); + const wethDebtToken = await getContract( + eContractid.VariableDebtToken, + variableDebtTokenAddress + ); const callerDebt = await wethDebtToken.balanceOf(caller.address); @@ -137,13 +148,14 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { }); it('tries to take a very small flashloan, which would result in 0 fees (revert expected)', async () => { - const { pool, weth } = testEnv; + const {pool, weth} = testEnv; await expect( pool.flashLoan( _mockFlashLoanReceiver.address, weth.address, '1', //1 wei loan + 2, '0x10', '0' ) @@ -151,13 +163,14 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { }); it('tries to take a flashloan that is bigger than the available liquidity (revert expected)', async () => { - const { pool, weth } = testEnv; + const {pool, weth} = testEnv; await expect( pool.flashLoan( _mockFlashLoanReceiver.address, weth.address, '1004415000000000000', //slightly higher than the available liquidity + 2, '0x10', '0' ), @@ -166,14 +179,15 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { }); it('tries to take a flashloan using a non contract address as receiver (revert expected)', async () => { - const { pool, deployer, weth } = testEnv; + const {pool, deployer, weth} = testEnv; - await expect(pool.flashLoan(deployer.address, weth.address, '1000000000000000000', '0x10', '0')) - .to.be.reverted; + await expect( + pool.flashLoan(deployer.address, weth.address, '1000000000000000000', 2, '0x10', '0') + ).to.be.reverted; }); it('Deposits USDC into the reserve', async () => { - const { usdc, pool } = testEnv; + const {usdc, pool} = testEnv; await usdc.mint(await convertToCurrencyDecimals(usdc.address, '1000')); @@ -185,7 +199,7 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { }); it('Takes out a 500 USDC flashloan, returns the funds correctly', async () => { - const { usdc, pool, deployer: depositor } = testEnv; + const {usdc, pool, deployer: depositor} = testEnv; await _mockFlashLoanReceiver.setFailExecutionTransfer(false); @@ -195,6 +209,7 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { _mockFlashLoanReceiver.address, usdc.address, flashloanAmount, + 2, '0x10', '0' ); @@ -210,7 +225,7 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { const currentLiquidityIndex = reserveData.liquidityIndex.toString(); const currentUserBalance = userData.currentATokenBalance.toString(); - const expectedLiquidity = await convertToCurrencyDecimals(usdc.address,'1000.450'); + const expectedLiquidity = await convertToCurrencyDecimals(usdc.address, '1000.450'); expect(totalLiquidity).to.be.equal(expectedLiquidity, 'Invalid total liquidity'); expect(currentLiqudityRate).to.be.equal('0', 'Invalid liquidity rate'); @@ -222,7 +237,7 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { }); it('Takes out a 500 USDC flashloan, does not return the funds. Caller does not have any collateral (revert expected)', async () => { - const { usdc, pool, users } = testEnv; + const {usdc, pool, users} = testEnv; const caller = users[2]; const flashloanAmount = await convertToCurrencyDecimals(usdc.address, '500'); @@ -232,18 +247,12 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { await expect( pool .connect(caller.signer) - .flashLoan( - _mockFlashLoanReceiver.address, - usdc.address, - flashloanAmount, - '0x10', - '0' - ) + .flashLoan(_mockFlashLoanReceiver.address, usdc.address, flashloanAmount, 2, '0x10', '0') ).to.be.revertedWith(COLLATERAL_BALANCE_IS_0); }); it('Caller deposits 5 ETH as collateral, Takes a USDC flashloan, does not return the funds. A loan for caller is created', async () => { - const { usdc, pool, weth, users } = testEnv; + const {usdc, pool, weth, users} = testEnv; const caller = users[2]; @@ -256,21 +265,18 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { await pool.connect(caller.signer).deposit(weth.address, amountToDeposit, '0'); await _mockFlashLoanReceiver.setFailExecutionTransfer(true); - + const flashloanAmount = await convertToCurrencyDecimals(usdc.address, '500'); await pool .connect(caller.signer) - .flashLoan( - _mockFlashLoanReceiver.address, - usdc.address, - flashloanAmount, - '0x10', - '0' - ); + .flashLoan(_mockFlashLoanReceiver.address, usdc.address, flashloanAmount, 2, '0x10', '0'); const {variableDebtTokenAddress} = await pool.getReserveTokensAddresses(usdc.address); - const usdcDebtToken = await getContract(eContractid.VariableDebtToken, variableDebtTokenAddress); + const usdcDebtToken = await getContract( + eContractid.VariableDebtToken, + variableDebtTokenAddress + ); const callerDebt = await usdcDebtToken.balanceOf(caller.address); From 5435620e4147a547cc1ca41aba436d996e4c1438 Mon Sep 17 00:00:00 2001 From: eboado Date: Tue, 25 Aug 2020 14:50:07 +0200 Subject: [PATCH 10/17] - Added tests to cover flashLoan(). --- .../mocks/flashloan/MockFlashLoanReceiver.sol | 26 +++++--- test/flashloan.spec.ts | 60 +++++++++++++++++++ 2 files changed, 77 insertions(+), 9 deletions(-) diff --git a/contracts/mocks/flashloan/MockFlashLoanReceiver.sol b/contracts/mocks/flashloan/MockFlashLoanReceiver.sol index 610e94cd..112084a7 100644 --- a/contracts/mocks/flashloan/MockFlashLoanReceiver.sol +++ b/contracts/mocks/flashloan/MockFlashLoanReceiver.sol @@ -18,12 +18,21 @@ contract MockFlashLoanReceiver is FlashLoanReceiverBase { event ExecutedWithFail(address _reserve, uint256 _amount, uint256 _fee); event ExecutedWithSuccess(address _reserve, uint256 _amount, uint256 _fee); - bool failExecution = false; + bool _failExecution; + uint256 _amountToApprove; constructor(ILendingPoolAddressesProvider provider) public FlashLoanReceiverBase(provider) {} - function setFailExecutionTransfer(bool _fail) public { - failExecution = _fail; + function setFailExecutionTransfer(bool fail) public { + _failExecution = fail; + } + + function setAmountToApprove(uint256 amountToApprove) public { + _amountToApprove = amountToApprove; + } + + function amountToApprove() public view returns (uint256) { + return _amountToApprove; } function executeOperation( @@ -36,12 +45,11 @@ contract MockFlashLoanReceiver is FlashLoanReceiverBase { MintableERC20 token = MintableERC20(reserve); //check the contract has the specified balance - require( - amount <= IERC20(reserve).balanceOf(address(this)), - 'Invalid balance for the contract' - ); + require(amount <= IERC20(reserve).balanceOf(address(this)), 'Invalid balance for the contract'); - if (failExecution) { + uint256 amountToReturn = (_amountToApprove != 0) ? _amountToApprove : amount.add(fee); + + if (_failExecution) { emit ExecutedWithFail(reserve, amount, fee); return; } @@ -51,7 +59,7 @@ contract MockFlashLoanReceiver is FlashLoanReceiverBase { token.mint(fee); - IERC20(reserve).approve(_addressesProvider.getLendingPool(), amount.add(fee)); + IERC20(reserve).approve(_addressesProvider.getLendingPool(), amountToReturn); emit ExecutedWithSuccess(reserve, amount, fee); } diff --git a/test/flashloan.spec.ts b/test/flashloan.spec.ts index 93915783..689796ec 100644 --- a/test/flashloan.spec.ts +++ b/test/flashloan.spec.ts @@ -282,4 +282,64 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { expect(callerDebt.toString()).to.be.equal('500450000', 'Invalid user debt'); }); + + it('Caller deposits 5 ETH as collateral, Takes a USDC flashloan, approves only partially funds. A loan for caller is created', async () => { + const {usdc, pool, weth, users} = testEnv; + + const caller = users[3]; + + await weth.connect(caller.signer).mint(await convertToCurrencyDecimals(weth.address, '5')); + + await weth.connect(caller.signer).approve(pool.address, APPROVAL_AMOUNT_LENDING_POOL); + + const amountToDeposit = await convertToCurrencyDecimals(weth.address, '5'); + + await pool.connect(caller.signer).deposit(weth.address, amountToDeposit, '0'); + + const flashloanAmount = await convertToCurrencyDecimals(usdc.address, '500'); + + await _mockFlashLoanReceiver.setFailExecutionTransfer(false); + + await _mockFlashLoanReceiver.setAmountToApprove(flashloanAmount.div(2)); + console.log((await _mockFlashLoanReceiver.amountToApprove()).toString()); + + await pool + .connect(caller.signer) + .flashLoan(_mockFlashLoanReceiver.address, usdc.address, flashloanAmount, 2, '0x10', '0'); + const {variableDebtTokenAddress} = await pool.getReserveTokensAddresses(usdc.address); + + const usdcDebtToken = await getContract( + eContractid.VariableDebtToken, + variableDebtTokenAddress + ); + + const callerDebt = await usdcDebtToken.balanceOf(caller.address); + + expect(callerDebt.toString()).to.be.equal('250450000', 'Invalid user debt'); + }); + + it('Caller deposits 1000 DAI as collateral, Takes WETH flashloan, does not return the funds and selects revert as result', async () => { + const {dai, pool, weth, users} = testEnv; + + const caller = users[3]; + + await dai.connect(caller.signer).mint(await convertToCurrencyDecimals(dai.address, '1000')); + + await dai.connect(caller.signer).approve(pool.address, APPROVAL_AMOUNT_LENDING_POOL); + + const amountToDeposit = await convertToCurrencyDecimals(dai.address, '1000'); + + await pool.connect(caller.signer).deposit(dai.address, amountToDeposit, '0'); + + const flashAmount = ethers.utils.parseEther('0.8'); + + await _mockFlashLoanReceiver.setFailExecutionTransfer(false); + await _mockFlashLoanReceiver.setAmountToApprove(flashAmount.div(2)); + + await expect( + pool + .connect(caller.signer) + .flashLoan(_mockFlashLoanReceiver.address, weth.address, flashAmount, 0, '0x10', '0') + ).to.be.revertedWith('ERC20: transfer amount exceeds allowance'); + }); }); From e0c27fef3fc6691ca2b8cf7c86d179879a92d616 Mon Sep 17 00:00:00 2001 From: eboado Date: Fri, 28 Aug 2020 16:44:14 +0200 Subject: [PATCH 11/17] - Moved index update on flashLoan() to before the executeOperation. - Refactor to remove try..catch. - Change on _executeBorrow() to not consider liquidityTaken when coming from flash loan. --- contracts/lendingpool/LendingPool.sol | 102 +++++++++++++------------- test/flashloan.spec.ts | 1 - 2 files changed, 53 insertions(+), 50 deletions(-) diff --git a/contracts/lendingpool/LendingPool.sol b/contracts/lendingpool/LendingPool.sol index 839c0c42..8551a26e 100644 --- a/contracts/lendingpool/LendingPool.sol +++ b/contracts/lendingpool/LendingPool.sol @@ -220,7 +220,7 @@ contract LendingPool is VersionedInitializable, ILendingPool { IVariableDebtToken(reserve.variableDebtTokenAddress).mint(vars.user, vars.amount); } - reserve.updateInterestRates(vars.asset, 0, vars.amount); + reserve.updateInterestRates(vars.asset, 0, (vars.releaseUnderlying) ? vars.amount : 0); if (!userConfig.isBorrowing(reserve.index)) { userConfig.setBorrowing(reserve.index, true); @@ -453,7 +453,7 @@ contract LendingPool is VersionedInitializable, ILendingPool { uint256 amountPlusPremiumInETH; uint256 receiverBalance; uint256 receiverAllowance; - uint256 balanceToPull; + uint256 availableBalance; uint256 assetPrice; IFlashLoanReceiver receiver; address aTokenAddress; @@ -484,72 +484,76 @@ contract LendingPool is VersionedInitializable, ILendingPool { vars.aTokenAddress = reserve.aTokenAddress; - //calculate amount fee vars.premium = amount.mul(FLASHLOAN_PREMIUM_TOTAL).div(10000); require(vars.premium > 0, 'The requested amount is too small for a FlashLoan.'); - //get the FlashLoanReceiver instance vars.receiver = IFlashLoanReceiver(receiverAddress); + // Update of the indexes until the current moment + reserve.updateCumulativeIndexesAndTimestamp(); + //transfer funds to the receiver IAToken(vars.aTokenAddress).transferUnderlyingTo(receiverAddress, amount); //execute action of the receiver vars.receiver.executeOperation(asset, amount, vars.premium, params); - //compounding the cumulated interest - reserve.updateCumulativeIndexesAndTimestamp(); - vars.amountPlusPremium = amount.add(vars.premium); - //transfer from the receiver the amount plus the fee - try IERC20(asset).transferFrom(receiverAddress, vars.aTokenAddress, vars.amountPlusPremium) { - //if the transfer succeeded, the executor has repaid the flashloan. - //the fee is compounded into the reserve + if (debtType == 0) { // To not fetch balance/allowance if no debt needs to be opened + IERC20(asset).transferFrom(receiverAddress, vars.aTokenAddress, vars.amountPlusPremium); reserve.cumulateToLiquidityIndex(IERC20(vars.aTokenAddress).totalSupply(), vars.premium); - //refresh interest rates reserve.updateInterestRates(asset, vars.premium, 0); - emit FlashLoan(receiverAddress, asset, amount, vars.premium, referralCode); - } catch (bytes memory reason) { - if (debtType == 1 || debtType == 2) { - // If the transfer didn't succeed, the receiver either didn't return the funds, or didn't approve the transfer. - // We will try to pull all the available funds from the receiver and create a debt position with the rest owed - // if it has collateral enough - - vars.receiverBalance = IERC20(asset).balanceOf(receiverAddress); - vars.receiverAllowance = IERC20(asset).allowance(receiverAddress, address(this)); - vars.balanceToPull = (vars.receiverBalance > vars.receiverAllowance) - ? vars.receiverAllowance - : vars.receiverBalance; - - if (vars.balanceToPull > 0) { - IERC20(asset).transferFrom(receiverAddress, vars.aTokenAddress, vars.balanceToPull); - reserve.cumulateToLiquidityIndex( - IERC20(vars.aTokenAddress).totalSupply(), - (vars.balanceToPull > vars.premium) ? vars.premium : vars.balanceToPull - ); - reserve.updateInterestRates( - asset, - (vars.balanceToPull > vars.premium) ? vars.premium : vars.balanceToPull, - 0 - ); - } - - _executeBorrow( - BorrowLocalVars( - asset, - msg.sender, - vars.amountPlusPremium.sub(vars.balanceToPull), - debtType, - false, - referralCode - ) - ); + } else { + vars.receiverBalance = IERC20(asset).balanceOf(receiverAddress); + vars.receiverAllowance = IERC20(asset).allowance(receiverAddress, address(this)); + if (vars.receiverBalance >= vars.amountPlusPremium && vars.receiverAllowance >= vars.amountPlusPremium) { + IERC20(asset).transferFrom(receiverAddress, vars.aTokenAddress, vars.amountPlusPremium); + reserve.cumulateToLiquidityIndex(IERC20(vars.aTokenAddress).totalSupply(), vars.premium); + reserve.updateInterestRates(asset, vars.premium, 0); } else { - revert(string(reason)); + if (debtType == 1 || debtType == 2) { + // If the transfer didn't succeed, the receiver either didn't return the funds, or didn't approve the transfer. + // We will try to pull all the available funds from the receiver and create a debt position with the rest owed + // if it has collateral enough + vars.availableBalance = (vars.receiverBalance > vars.receiverAllowance) + ? vars.receiverAllowance + : vars.receiverBalance; + + if (vars.availableBalance > 0) { + // If not enough premium, include as premium all the funds available to pull + if (vars.availableBalance < vars.premium) { + vars.premium = vars.availableBalance; + } + IERC20(asset).transferFrom(receiverAddress, vars.aTokenAddress, vars.availableBalance); + reserve.cumulateToLiquidityIndex( + IERC20(vars.aTokenAddress).totalSupply(), + vars.premium + ); + reserve.updateInterestRates( + asset, + vars.premium, + 0 + ); + } + + _executeBorrow( + BorrowLocalVars( + asset, + msg.sender, + vars.amountPlusPremium.sub(vars.availableBalance), + debtType, + false, + referralCode + ) + ); + } else { + revert("INSUFFICIENT_FUNDS_TO_PULL"); + } } } + emit FlashLoan(receiverAddress, asset, amount, vars.premium, referralCode); } /** diff --git a/test/flashloan.spec.ts b/test/flashloan.spec.ts index 689796ec..93cb2fcd 100644 --- a/test/flashloan.spec.ts +++ b/test/flashloan.spec.ts @@ -301,7 +301,6 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { await _mockFlashLoanReceiver.setFailExecutionTransfer(false); await _mockFlashLoanReceiver.setAmountToApprove(flashloanAmount.div(2)); - console.log((await _mockFlashLoanReceiver.amountToApprove()).toString()); await pool .connect(caller.signer) From ab88aa64bf111935c083cb19119d39e0b3e46815 Mon Sep 17 00:00:00 2001 From: emilio Date: Wed, 2 Sep 2020 18:10:16 +0200 Subject: [PATCH 12/17] Fixed merge issues --- contracts/lendingpool/LendingPool.sol | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/contracts/lendingpool/LendingPool.sol b/contracts/lendingpool/LendingPool.sol index 1cf33799..265b9ce6 100644 --- a/contracts/lendingpool/LendingPool.sol +++ b/contracts/lendingpool/LendingPool.sol @@ -188,7 +188,7 @@ contract LendingPool is VersionedInitializable, ILendingPool { ReserveLogic.ReserveData storage reserve = _reserves[vars.asset]; UserConfiguration.Map storage userConfig = _usersConfig[vars.user]; - address oracle = addressesProvider.getPriceOracle(); + address oracle = _addressesProvider.getPriceOracle(); uint256 amountInETH = IPriceOracleGetter(oracle).getAssetPrice(vars.asset).mul(vars.amount).div( 10**reserve.configuration.getDecimals() ); @@ -202,7 +202,7 @@ contract LendingPool is VersionedInitializable, ILendingPool { MAX_STABLE_RATE_BORROW_SIZE_PERCENT, _reserves, _usersConfig[vars.user], - reservesList, + _reservesList, oracle ); @@ -220,7 +220,7 @@ contract LendingPool is VersionedInitializable, ILendingPool { } address aToken = reserve.aTokenAddress; - reserve.updateInterestRates(asset, aToken, 0, amount); + reserve.updateInterestRates(vars.asset, aToken, 0, vars.amount); uint256 reserveIndex = reserve.index; if (!userConfig.isBorrowing(reserveIndex)) { @@ -308,7 +308,7 @@ contract LendingPool is VersionedInitializable, ILendingPool { * @param asset the address of the reserve on which the user borrowed * @param rateMode the rate mode that the user wants to swap **/ - function swapBorrowRateMode(address asset, uint256 rateMode) external override nonReentrant { + function swapBorrowRateMode(address asset, uint256 rateMode) external override { ReserveLogic.ReserveData storage reserve = _reserves[asset]; (uint256 stableDebt, uint256 variableDebt) = Helpers.getUserCurrentDebt(msg.sender, reserve); @@ -516,14 +516,14 @@ contract LendingPool is VersionedInitializable, ILendingPool { if (debtType == 0) { // To not fetch balance/allowance if no debt needs to be opened IERC20(asset).transferFrom(receiverAddress, vars.aTokenAddress, vars.amountPlusPremium); reserve.cumulateToLiquidityIndex(IERC20(vars.aTokenAddress).totalSupply(), vars.premium); - reserve.updateInterestRates(asset, vars.premium, 0); + reserve.updateInterestRates(asset, vars.aTokenAddress, vars.premium, 0); } else { vars.receiverBalance = IERC20(asset).balanceOf(receiverAddress); vars.receiverAllowance = IERC20(asset).allowance(receiverAddress, address(this)); if (vars.receiverBalance >= vars.amountPlusPremium && vars.receiverAllowance >= vars.amountPlusPremium) { IERC20(asset).transferFrom(receiverAddress, vars.aTokenAddress, vars.amountPlusPremium); reserve.cumulateToLiquidityIndex(IERC20(vars.aTokenAddress).totalSupply(), vars.premium); - reserve.updateInterestRates(asset, vars.premium, 0); + reserve.updateInterestRates(asset, vars.aTokenAddress, vars.premium, 0); } else { if (debtType == 1 || debtType == 2) { // If the transfer didn't succeed, the receiver either didn't return the funds, or didn't approve the transfer. @@ -545,6 +545,7 @@ contract LendingPool is VersionedInitializable, ILendingPool { ); reserve.updateInterestRates( asset, + vars.aTokenAddress, vars.premium, 0 ); From 16fc0d49711c39ab6d4a061f66ec2207c51bb515 Mon Sep 17 00:00:00 2001 From: emilio Date: Thu, 3 Sep 2020 15:17:46 +0200 Subject: [PATCH 13/17] Updated flashloans --- contracts/lendingpool/LendingPool.sol | 252 ++++++++---------- contracts/libraries/logic/ValidationLogic.sol | 10 + test/flashloan.spec.ts | 42 +-- 3 files changed, 131 insertions(+), 173 deletions(-) diff --git a/contracts/lendingpool/LendingPool.sol b/contracts/lendingpool/LendingPool.sol index 265b9ce6..aa483faf 100644 --- a/contracts/lendingpool/LendingPool.sol +++ b/contracts/lendingpool/LendingPool.sol @@ -153,21 +153,13 @@ contract LendingPool is VersionedInitializable, ILendingPool { emit Withdraw(asset, msg.sender, amount); } - struct BorrowLocalVars { - address asset; - address user; - uint256 amount; - uint256 interestRateMode; - bool releaseUnderlying; - uint16 referralCode; - } - /** * @dev Allows users to borrow a specific amount of the reserve currency, provided that the borrower * already deposited enough collateral. * @param asset the address of the reserve * @param amount the amount to be borrowed * @param interestRateMode the interest rate mode at which the user wants to borrow. Can be 0 (STABLE) or 1 (VARIABLE) + * @param referralCode a referral code for integrators **/ function borrow( address asset, @@ -176,71 +168,15 @@ contract LendingPool is VersionedInitializable, ILendingPool { uint16 referralCode ) external override { _executeBorrow( - BorrowLocalVars(asset, msg.sender, amount, interestRateMode, true, referralCode) - ); - } - - /** - * @dev Internal function to execute a borrowing action, allowing to transfer or not the underlying - * @param vars Input struct for the borrowing action, in order to avoid STD errors - **/ - function _executeBorrow(BorrowLocalVars memory vars) internal { - ReserveLogic.ReserveData storage reserve = _reserves[vars.asset]; - UserConfiguration.Map storage userConfig = _usersConfig[vars.user]; - - address oracle = _addressesProvider.getPriceOracle(); - uint256 amountInETH = IPriceOracleGetter(oracle).getAssetPrice(vars.asset).mul(vars.amount).div( - 10**reserve.configuration.getDecimals() - ); - - ValidationLogic.validateBorrow( - reserve, - vars.asset, - vars.amount, - amountInETH, - vars.interestRateMode, - MAX_STABLE_RATE_BORROW_SIZE_PERCENT, - _reserves, - _usersConfig[vars.user], - _reservesList, - oracle - ); - - //caching the current stable borrow rate - uint256 userStableRate = reserve.currentStableBorrowRate; - - reserve.updateCumulativeIndexesAndTimestamp(); - - if ( - ReserveLogic.InterestRateMode(vars.interestRateMode) == ReserveLogic.InterestRateMode.STABLE - ) { - IStableDebtToken(reserve.stableDebtTokenAddress).mint(vars.user, vars.amount, userStableRate); - } else { - IVariableDebtToken(reserve.variableDebtTokenAddress).mint(vars.user, vars.amount); - } - - address aToken = reserve.aTokenAddress; - reserve.updateInterestRates(vars.asset, aToken, 0, vars.amount); - - uint256 reserveIndex = reserve.index; - if (!userConfig.isBorrowing(reserveIndex)) { - userConfig.setBorrowing(reserveIndex, true); - } - - //if we reached this point and we need to, we can transfer - if (vars.releaseUnderlying) { - IAToken(aToken).transferUnderlyingTo(vars.user, vars.amount); - } - - emit Borrow( - vars.asset, - vars.user, - vars.amount, - vars.interestRateMode, - ReserveLogic.InterestRateMode(vars.interestRateMode) == ReserveLogic.InterestRateMode.STABLE - ? userStableRate - : reserve.currentVariableBorrowRate, - vars.referralCode + ExecuteBorrowParams( + asset, + msg.sender, + amount, + interestRateMode, + _reserves[asset].aTokenAddress, + referralCode, + true + ) ); } @@ -396,10 +332,7 @@ contract LendingPool is VersionedInitializable, ILendingPool { * @param asset the address of the reserve * @param useAsCollateral true if the user wants to user the deposit as collateral, false otherwise. **/ - function setUserUseReserveAsCollateral(address asset, bool useAsCollateral) - external - override - { + function setUserUseReserveAsCollateral(address asset, bool useAsCollateral) external override { ReserveLogic.ReserveData storage reserve = _reserves[asset]; ValidationLogic.validateSetUseReserveAsCollateral( @@ -473,13 +406,13 @@ contract LendingPool is VersionedInitializable, ILendingPool { } /** - * @dev allows smartcontracts to access the liquidity of the pool within one transaction, + * @dev allows smart contracts to access the liquidity of the pool within one transaction, * as long as the amount taken plus a fee is returned. NOTE There are security concerns for developers of flashloan receiver contracts * that must be kept into consideration. For further details please visit https://developers.aave.com * @param receiverAddress The address of the contract receiving the funds. The receiver should implement the IFlashLoanReceiver interface. * @param asset The address of the principal reserve * @param amount The amount requested for this flashloan - * @param debtType Type of the debt to open if the flash loan is not returned. 0 -> Don't open any debt, just revert, 1 -> stable, 2 -> variable + * @param mode Type of the debt to open if the flash loan is not returned. 0 -> Don't open any debt, just revert, 1 -> stable, 2 -> variable * @param params Variadic packed params to pass to the receiver as extra information * @param referralCode Referral code of the flash loan **/ @@ -487,7 +420,7 @@ contract LendingPool is VersionedInitializable, ILendingPool { address receiverAddress, address asset, uint256 amount, - uint256 debtType, + uint256 mode, bytes calldata params, uint16 referralCode ) external override { @@ -498,13 +431,12 @@ contract LendingPool is VersionedInitializable, ILendingPool { vars.premium = amount.mul(FLASHLOAN_PREMIUM_TOTAL).div(10000); - require(vars.premium > 0, 'The requested amount is too small for a FlashLoan.'); + ReserveLogic.InterestRateMode debtMode = ReserveLogic.InterestRateMode(mode); + + ValidationLogic.validateFlashloan(debtMode, vars.premium); vars.receiver = IFlashLoanReceiver(receiverAddress); - // Update of the indexes until the current moment - reserve.updateCumulativeIndexesAndTimestamp(); - //transfer funds to the receiver IAToken(vars.aTokenAddress).transferUnderlyingTo(receiverAddress, amount); @@ -513,60 +445,30 @@ contract LendingPool is VersionedInitializable, ILendingPool { vars.amountPlusPremium = amount.add(vars.premium); - if (debtType == 0) { // To not fetch balance/allowance if no debt needs to be opened + if (debtMode == ReserveLogic.InterestRateMode.NONE) { + IERC20(asset).transferFrom(receiverAddress, vars.aTokenAddress, vars.amountPlusPremium); + + reserve.updateCumulativeIndexesAndTimestamp(); reserve.cumulateToLiquidityIndex(IERC20(vars.aTokenAddress).totalSupply(), vars.premium); reserve.updateInterestRates(asset, vars.aTokenAddress, vars.premium, 0); + + emit FlashLoan(receiverAddress, asset, amount, vars.premium, referralCode); + } else { - vars.receiverBalance = IERC20(asset).balanceOf(receiverAddress); - vars.receiverAllowance = IERC20(asset).allowance(receiverAddress, address(this)); - if (vars.receiverBalance >= vars.amountPlusPremium && vars.receiverAllowance >= vars.amountPlusPremium) { - IERC20(asset).transferFrom(receiverAddress, vars.aTokenAddress, vars.amountPlusPremium); - reserve.cumulateToLiquidityIndex(IERC20(vars.aTokenAddress).totalSupply(), vars.premium); - reserve.updateInterestRates(asset, vars.aTokenAddress, vars.premium, 0); - } else { - if (debtType == 1 || debtType == 2) { - // If the transfer didn't succeed, the receiver either didn't return the funds, or didn't approve the transfer. - // We will try to pull all the available funds from the receiver and create a debt position with the rest owed - // if it has collateral enough - vars.availableBalance = (vars.receiverBalance > vars.receiverAllowance) - ? vars.receiverAllowance - : vars.receiverBalance; - - if (vars.availableBalance > 0) { - // If not enough premium, include as premium all the funds available to pull - if (vars.availableBalance < vars.premium) { - vars.premium = vars.availableBalance; - } - IERC20(asset).transferFrom(receiverAddress, vars.aTokenAddress, vars.availableBalance); - reserve.cumulateToLiquidityIndex( - IERC20(vars.aTokenAddress).totalSupply(), - vars.premium - ); - reserve.updateInterestRates( - asset, - vars.aTokenAddress, - vars.premium, - 0 - ); - } - - _executeBorrow( - BorrowLocalVars( - asset, - msg.sender, - vars.amountPlusPremium.sub(vars.availableBalance), - debtType, - false, - referralCode - ) - ); - } else { - revert("INSUFFICIENT_FUNDS_TO_PULL"); - } - } + // If the transfer didn't succeed, the receiver either didn't return the funds, or didn't approve the transfer. + _executeBorrow( + ExecuteBorrowParams( + asset, + msg.sender, + vars.amountPlusPremium.sub(vars.availableBalance), + mode, + vars.aTokenAddress, + referralCode, + false + ) + ); } - emit FlashLoan(receiverAddress, asset, amount, vars.premium, referralCode); } /** @@ -783,9 +685,89 @@ contract LendingPool is VersionedInitializable, ILendingPool { return _reserves[asset].configuration; } + // internal functions + + struct ExecuteBorrowParams { + address asset; + address user; + uint256 amount; + uint256 interestRateMode; + address aTokenAddress; + uint16 referralCode; + bool releaseUnderlying; + } + /** - * @notice internal functions + * @dev Internal function to execute a borrowing action, allowing to transfer or not the underlying + * @param vars Input struct for the borrowing action, in order to avoid STD errors **/ + function _executeBorrow(ExecuteBorrowParams memory vars) internal { + ReserveLogic.ReserveData storage reserve = _reserves[vars.asset]; + UserConfiguration.Map storage userConfig = _usersConfig[msg.sender]; + + address oracle = _addressesProvider.getPriceOracle(); + + uint256 amountInETH = IPriceOracleGetter(oracle).getAssetPrice(vars.asset).mul(vars.amount).div( + 10**reserve.configuration.getDecimals() + ); + + ValidationLogic.validateBorrow( + reserve, + vars.asset, + vars.amount, + amountInETH, + vars.interestRateMode, + MAX_STABLE_RATE_BORROW_SIZE_PERCENT, + _reserves, + userConfig, + _reservesList, + oracle + ); + + + uint256 reserveIndex = reserve.index; + if (!userConfig.isBorrowing(reserveIndex)) { + userConfig.setBorrowing(reserveIndex, true); + } + + + reserve.updateCumulativeIndexesAndTimestamp(); + + //caching the current stable borrow rate + uint256 currentStableRate = 0; + + if ( + ReserveLogic.InterestRateMode(vars.interestRateMode) == ReserveLogic.InterestRateMode.STABLE + ) { + currentStableRate = reserve.currentStableBorrowRate; + + IStableDebtToken(reserve.stableDebtTokenAddress).mint( + vars.user, + vars.amount, + currentStableRate + ); + } else { + IVariableDebtToken(reserve.variableDebtTokenAddress).mint(vars.user, vars.amount); + } + + reserve.updateInterestRates(vars.asset, vars.aTokenAddress, 0, vars.releaseUnderlying ? vars.amount : 0); + + if(vars.releaseUnderlying){ + IAToken(vars.aTokenAddress).transferUnderlyingTo(msg.sender, vars.amount); + } + + + emit Borrow( + vars.asset, + msg.sender, + vars.amount, + vars.interestRateMode, + ReserveLogic.InterestRateMode(vars.interestRateMode) == ReserveLogic.InterestRateMode.STABLE + ? currentStableRate + : reserve.currentVariableBorrowRate, + vars.referralCode + ); + } /** * @dev adds a reserve to the array of the _reserves address diff --git a/contracts/libraries/logic/ValidationLogic.sol b/contracts/libraries/logic/ValidationLogic.sol index dd3ef25a..b4edbf2d 100644 --- a/contracts/libraries/logic/ValidationLogic.sol +++ b/contracts/libraries/logic/ValidationLogic.sol @@ -324,4 +324,14 @@ library ValidationLogic { 'User deposit is already being used as collateral' ); } + + /** + * @dev validates a flashloan action + * @param mode the flashloan mode (NONE = classic flashloan, STABLE = open a stable rate loan, VARIABLE = open a variable rate loan) + * @param premium the premium paid on the flashloan + **/ + function validateFlashloan(ReserveLogic.InterestRateMode mode, uint256 premium) internal pure { + require(premium > 0, 'The requested amount is too small for a FlashLoan.'); + require(mode <= ReserveLogic.InterestRateMode.VARIABLE, 'Invalid flashloan mode selected'); + } } diff --git a/test/flashloan.spec.ts b/test/flashloan.spec.ts index 93cb2fcd..ced409e2 100644 --- a/test/flashloan.spec.ts +++ b/test/flashloan.spec.ts @@ -36,14 +36,14 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { await pool.deposit(weth.address, amountToDeposit, '0'); }); - it('Takes ETH flashloan, returns the funds correctly', async () => { + it('Takes WETH flashloan, returns the funds correctly', async () => { const {pool, deployer, weth} = testEnv; await pool.flashLoan( _mockFlashLoanReceiver.address, weth.address, ethers.utils.parseEther('0.8'), - 2, + 0, '0x10', '0' ); @@ -72,7 +72,7 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { _mockFlashLoanReceiver.address, weth.address, '1000720000000000000', - 2, + 0, '0x10', '0' ); @@ -209,7 +209,7 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { _mockFlashLoanReceiver.address, usdc.address, flashloanAmount, - 2, + 0, '0x10', '0' ); @@ -283,40 +283,6 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { expect(callerDebt.toString()).to.be.equal('500450000', 'Invalid user debt'); }); - it('Caller deposits 5 ETH as collateral, Takes a USDC flashloan, approves only partially funds. A loan for caller is created', async () => { - const {usdc, pool, weth, users} = testEnv; - - const caller = users[3]; - - await weth.connect(caller.signer).mint(await convertToCurrencyDecimals(weth.address, '5')); - - await weth.connect(caller.signer).approve(pool.address, APPROVAL_AMOUNT_LENDING_POOL); - - const amountToDeposit = await convertToCurrencyDecimals(weth.address, '5'); - - await pool.connect(caller.signer).deposit(weth.address, amountToDeposit, '0'); - - const flashloanAmount = await convertToCurrencyDecimals(usdc.address, '500'); - - await _mockFlashLoanReceiver.setFailExecutionTransfer(false); - - await _mockFlashLoanReceiver.setAmountToApprove(flashloanAmount.div(2)); - - await pool - .connect(caller.signer) - .flashLoan(_mockFlashLoanReceiver.address, usdc.address, flashloanAmount, 2, '0x10', '0'); - const {variableDebtTokenAddress} = await pool.getReserveTokensAddresses(usdc.address); - - const usdcDebtToken = await getContract( - eContractid.VariableDebtToken, - variableDebtTokenAddress - ); - - const callerDebt = await usdcDebtToken.balanceOf(caller.address); - - expect(callerDebt.toString()).to.be.equal('250450000', 'Invalid user debt'); - }); - it('Caller deposits 1000 DAI as collateral, Takes WETH flashloan, does not return the funds and selects revert as result', async () => { const {dai, pool, weth, users} = testEnv; From 1486cee7749f962a37da1d7a8535e2c475aa090f Mon Sep 17 00:00:00 2001 From: emilio Date: Thu, 3 Sep 2020 15:53:18 +0200 Subject: [PATCH 14/17] Fixed tests on flashloan --- test/flashloan.spec.ts | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/test/flashloan.spec.ts b/test/flashloan.spec.ts index aaa0fcb7..063adc96 100644 --- a/test/flashloan.spec.ts +++ b/test/flashloan.spec.ts @@ -36,7 +36,7 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { await pool.deposit(weth.address, amountToDeposit, '0'); }); - it('Takes WETH flashloan, returns the funds correctly', async () => { + it('Takes WETH flashloan with mode = 0, returns the funds correctly', async () => { const {pool, deployer, weth} = testEnv; await pool.flashLoan( @@ -64,7 +64,7 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { expect(currentLiquidityIndex.toString()).to.be.equal('1000720000000000000000000000'); }); - it('Takes an ETH flashloan as big as the available liquidity', async () => { + it('Takes an ETH flashloan with mode = 0 as big as the available liquidity', async () => { const {pool, weth} = testEnv; const reserveDataBefore = await pool.getReserveData(weth.address); @@ -91,7 +91,7 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { expect(currentLiquidityIndex.toString()).to.be.equal('1001620648000000000000000000'); }); - it('Takes WETH flashloan, does not return the funds. Caller does not have any collateral (revert expected)', async () => { + it('Takes WETH flashloan, does not return the funds with mode = 0. (revert expected)', async () => { const {pool, weth, users} = testEnv; const caller = users[1]; await _mockFlashLoanReceiver.setFailExecutionTransfer(true); @@ -107,10 +107,10 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { '0x10', '0' ) - ).to.be.revertedWith(COLLATERAL_BALANCE_IS_0); + ).to.be.revertedWith(TRANSFER_AMOUNT_EXCEEDS_BALANCE); }); - it('Caller deposits 1000 DAI as collateral, Takes WETH flashloan, does not return the funds. A loan for caller is created', async () => { + it('Caller deposits 1000 DAI as collateral, Takes WETH flashloan with mode = 2, does not return the funds. A variable loan for caller is created', async () => { const {dai, pool, weth, users} = testEnv; const caller = users[1]; @@ -236,7 +236,7 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { expect(currentUserBalance.toString()).to.be.equal(expectedLiquidity, 'Invalid user balance'); }); - it('Takes out a 500 USDC flashloan, does not return the funds. Caller does not have any collateral (revert expected)', async () => { + it('Takes out a 500 USDC flashloan with mode = 0, does not return the funds. Caller does not have any collateral (revert expected)', async () => { const {usdc, pool, users} = testEnv; const caller = users[2]; From 48438f59f5d2b98e1a8c770fd9968835984a737c Mon Sep 17 00:00:00 2001 From: emilio Date: Thu, 3 Sep 2020 16:29:14 +0200 Subject: [PATCH 15/17] Added a new test to check an invalid interest rate mode --- contracts/lendingpool/LendingPool.sol | 5 +++-- contracts/libraries/logic/ValidationLogic.sol | 6 ++--- helpers/types.ts | 1 + test/flashloan.spec.ts | 22 ++++++++++++++++++- 4 files changed, 28 insertions(+), 6 deletions(-) diff --git a/contracts/lendingpool/LendingPool.sol b/contracts/lendingpool/LendingPool.sol index 503612f6..47a260d6 100644 --- a/contracts/lendingpool/LendingPool.sol +++ b/contracts/lendingpool/LendingPool.sol @@ -435,9 +435,10 @@ contract LendingPool is VersionedInitializable, ILendingPool { vars.premium = amount.mul(FLASHLOAN_PREMIUM_TOTAL).div(10000); - ReserveLogic.InterestRateMode debtMode = ReserveLogic.InterestRateMode(mode); - ValidationLogic.validateFlashloan(debtMode, vars.premium); + ValidationLogic.validateFlashloan(mode, vars.premium); + + ReserveLogic.InterestRateMode debtMode = ReserveLogic.InterestRateMode(mode); vars.receiver = IFlashLoanReceiver(receiverAddress); diff --git a/contracts/libraries/logic/ValidationLogic.sol b/contracts/libraries/logic/ValidationLogic.sol index 4d9649e5..7a640458 100644 --- a/contracts/libraries/logic/ValidationLogic.sol +++ b/contracts/libraries/logic/ValidationLogic.sol @@ -322,11 +322,11 @@ library ValidationLogic { /** * @dev validates a flashloan action - * @param mode the flashloan mode (NONE = classic flashloan, STABLE = open a stable rate loan, VARIABLE = open a variable rate loan) + * @param mode the flashloan mode (0 = classic flashloan, 1 = open a stable rate loan, 2 = open a variable rate loan) * @param premium the premium paid on the flashloan **/ - function validateFlashloan(ReserveLogic.InterestRateMode mode, uint256 premium) internal pure { + function validateFlashloan(uint256 mode, uint256 premium) internal pure { require(premium > 0, Errors.REQUESTED_AMOUNT_TOO_SMALL); - require(mode <= ReserveLogic.InterestRateMode.VARIABLE, Errors.INVALID_FLASHLOAN_MODE); + require(mode <= uint256(ReserveLogic.InterestRateMode.VARIABLE), Errors.INVALID_FLASHLOAN_MODE); } } diff --git a/helpers/types.ts b/helpers/types.ts index 60edd765..7757bc45 100644 --- a/helpers/types.ts +++ b/helpers/types.ts @@ -99,6 +99,7 @@ export enum ProtocolErrors { SPECIFIED_CURRENCY_NOT_BORROWED_BY_USER = '40', // 'User did not borrow the specified currency' NOT_ENOUGH_LIQUIDITY_TO_LIQUIDATE = '41', // "There isn't enough liquidity available to liquidate" NO_ERRORS = '42', // 'No errors' + INVALID_FLASHLOAN_MODE = '43', //Invalid flashloan mode // old diff --git a/test/flashloan.spec.ts b/test/flashloan.spec.ts index 063adc96..87e31b8d 100644 --- a/test/flashloan.spec.ts +++ b/test/flashloan.spec.ts @@ -18,7 +18,8 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { const { COLLATERAL_BALANCE_IS_0, REQUESTED_AMOUNT_TOO_SMALL, - TRANSFER_AMOUNT_EXCEEDS_BALANCE + TRANSFER_AMOUNT_EXCEEDS_BALANCE, + INVALID_FLASHLOAN_MODE } = ProtocolErrors; before(async () => { @@ -110,6 +111,25 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { ).to.be.revertedWith(TRANSFER_AMOUNT_EXCEEDS_BALANCE); }); + it('Takes a WETH flashloan with an invalid mode. (revert expected)', async () => { + const {pool, weth, users} = testEnv; + const caller = users[1]; + await _mockFlashLoanReceiver.setFailExecutionTransfer(true); + + await expect( + pool + .connect(caller.signer) + .flashLoan( + _mockFlashLoanReceiver.address, + weth.address, + ethers.utils.parseEther('0.8'), + 4, + '0x10', + '0' + ) + ).to.be.revertedWith(INVALID_FLASHLOAN_MODE); + }); + it('Caller deposits 1000 DAI as collateral, Takes WETH flashloan with mode = 2, does not return the funds. A variable loan for caller is created', async () => { const {dai, pool, weth, users} = testEnv; From bb822035a863b42b3b58631218dce39b99d61ad5 Mon Sep 17 00:00:00 2001 From: emilio Date: Thu, 3 Sep 2020 18:14:39 +0200 Subject: [PATCH 16/17] Added further test on flashloan for stable rate borrowing --- test/flashloan.spec.ts | 33 ++++++++++++++++++++++++++++++--- 1 file changed, 30 insertions(+), 3 deletions(-) diff --git a/test/flashloan.spec.ts b/test/flashloan.spec.ts index 87e31b8d..8ef3f4e8 100644 --- a/test/flashloan.spec.ts +++ b/test/flashloan.spec.ts @@ -10,6 +10,7 @@ import {MockFlashLoanReceiver} from '../types/MockFlashLoanReceiver'; import {ProtocolErrors, eContractid} from '../helpers/types'; import BigNumber from 'bignumber.js'; import {VariableDebtToken} from '../types/VariableDebtToken'; +import {StableDebtToken} from '../types/StableDebtToken'; const {expect} = require('chai'); @@ -256,7 +257,7 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { expect(currentUserBalance.toString()).to.be.equal(expectedLiquidity, 'Invalid user balance'); }); - it('Takes out a 500 USDC flashloan with mode = 0, does not return the funds. Caller does not have any collateral (revert expected)', async () => { + it('Takes out a 500 USDC flashloan with mode = 0, does not return the funds. (revert expected)', async () => { const {usdc, pool, users} = testEnv; const caller = users[2]; @@ -271,7 +272,7 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { ).to.be.revertedWith(COLLATERAL_BALANCE_IS_0); }); - it('Caller deposits 5 ETH as collateral, Takes a USDC flashloan, does not return the funds. A loan for caller is created', async () => { + it('Caller deposits 5 WETH as collateral, Takes a USDC flashloan with mode = 2, does not return the funds. A loan for caller is created', async () => { const {usdc, pool, weth, users} = testEnv; const caller = users[2]; @@ -303,7 +304,7 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { expect(callerDebt.toString()).to.be.equal('500450000', 'Invalid user debt'); }); - it('Caller deposits 1000 DAI as collateral, Takes WETH flashloan, does not return the funds and selects revert as result', async () => { + it('Caller deposits 1000 DAI as collateral, Takes a WETH flashloan with mode = 0, does not approve the transfer of the funds', async () => { const {dai, pool, weth, users} = testEnv; const caller = users[3]; @@ -327,4 +328,30 @@ makeSuite('LendingPool FlashLoan function', (testEnv: TestEnv) => { .flashLoan(_mockFlashLoanReceiver.address, weth.address, flashAmount, 0, '0x10', '0') ).to.be.revertedWith('ERC20: transfer amount exceeds allowance'); }); + + it('Caller takes a WETH flashloan with mode = 1', async () => { + const {dai, pool, weth, users} = testEnv; + + const caller = users[3]; + + const flashAmount = ethers.utils.parseEther('0.8'); + + await _mockFlashLoanReceiver.setFailExecutionTransfer(true); + + await pool + .connect(caller.signer) + .flashLoan(_mockFlashLoanReceiver.address, weth.address, flashAmount, 1, '0x10', '0'); + + const {stableDebtTokenAddress} = await pool.getReserveTokensAddresses(weth.address); + + const wethDebtToken = await getContract( + eContractid.VariableDebtToken, + stableDebtTokenAddress + ); + + const callerDebt = await wethDebtToken.balanceOf(caller.address); + + expect(callerDebt.toString()).to.be.equal('800720000000000000', 'Invalid user debt'); + + }); }); From 78d9d4af74985c55c42bdfa3c6491c9c0cec0f0b Mon Sep 17 00:00:00 2001 From: emilio Date: Thu, 3 Sep 2020 18:25:50 +0200 Subject: [PATCH 17/17] Removed space --- contracts/lendingpool/LendingPool.sol | 1 - 1 file changed, 1 deletion(-) diff --git a/contracts/lendingpool/LendingPool.sol b/contracts/lendingpool/LendingPool.sol index 47a260d6..1cd4bc55 100644 --- a/contracts/lendingpool/LendingPool.sol +++ b/contracts/lendingpool/LendingPool.sol @@ -435,7 +435,6 @@ contract LendingPool is VersionedInitializable, ILendingPool { vars.premium = amount.mul(FLASHLOAN_PREMIUM_TOTAL).div(10000); - ValidationLogic.validateFlashloan(mode, vars.premium); ReserveLogic.InterestRateMode debtMode = ReserveLogic.InterestRateMode(mode);