mirror of
https://github.com/Instadapp/aave-protocol-v2.git
synced 2024-07-29 21:47:30 +00:00
851 lines
31 KiB
TypeScript
851 lines
31 KiB
TypeScript
// import { makeSuite, TestEnv } from './helpers/make-suite';
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// import {
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// convertToCurrencyDecimals,
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// buildFlashLiquidationAdapterParams,
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// } from '../../helpers/contracts-helpers';
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// import { getMockUniswapRouter } from '../../helpers/contracts-getters';
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// import { deployFlashLiquidationAdapter } from '../../helpers/contracts-deployments';
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// import { MockUniswapV2Router02 } from '../../types/MockUniswapV2Router02';
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// import BigNumber from 'bignumber.js';
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// import { DRE, evmRevert, evmSnapshot, increaseTime, waitForTx } from '../../helpers/misc-utils';
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// import { ethers } from 'ethers';
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// import { ProtocolErrors, RateMode } from '../../helpers/types';
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// import { APPROVAL_AMOUNT_LENDING_POOL, MAX_UINT_AMOUNT, oneEther } from '../../helpers/constants';
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// import { getUserData } from './helpers/utils/helpers';
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// import { calcExpectedStableDebtTokenBalance } from './helpers/utils/calculations';
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// const { expect } = require('chai');
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// makeSuite('Uniswap adapters', (testEnv: TestEnv) => {
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// let mockUniswapRouter: MockUniswapV2Router02;
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// let evmSnapshotId: string;
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// const { INVALID_HF, LP_LIQUIDATION_CALL_FAILED } = ProtocolErrors;
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// before(async () => {
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// mockUniswapRouter = await getMockUniswapRouter();
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// });
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// const depositAndHFBelowOne = async () => {
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// const { dai, weth, users, pool, oracle } = testEnv;
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// const depositor = users[0];
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// const borrower = users[1];
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// //mints DAI to depositor
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// await dai.connect(depositor.signer).mint(await convertToCurrencyDecimals(dai.address, '1000'));
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// //approve protocol to access depositor wallet
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// await dai.connect(depositor.signer).approve(pool.address, APPROVAL_AMOUNT_LENDING_POOL);
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// //user 1 deposits 1000 DAI
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// const amountDAItoDeposit = await convertToCurrencyDecimals(dai.address, '1000');
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// await pool
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// .connect(depositor.signer)
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// .deposit(dai.address, amountDAItoDeposit, depositor.address, '0');
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// //user 2 deposits 1 ETH
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// const amountETHtoDeposit = await convertToCurrencyDecimals(weth.address, '1');
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// //mints WETH to borrower
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// await weth.connect(borrower.signer).mint(await convertToCurrencyDecimals(weth.address, '1000'));
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// //approve protocol to access the borrower wallet
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// await weth.connect(borrower.signer).approve(pool.address, APPROVAL_AMOUNT_LENDING_POOL);
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// await pool
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// .connect(borrower.signer)
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// .deposit(weth.address, amountETHtoDeposit, borrower.address, '0');
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// //user 2 borrows
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// const userGlobalDataBefore = await pool.getUserAccountData(borrower.address);
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// const daiPrice = await oracle.getAssetPrice(dai.address);
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// const amountDAIToBorrow = await convertToCurrencyDecimals(
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// dai.address,
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// new BigNumber(userGlobalDataBefore.availableBorrowsETH.toString())
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// .div(daiPrice.toString())
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// .multipliedBy(0.95)
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// .toFixed(0)
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// );
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// await pool
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// .connect(borrower.signer)
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// .borrow(dai.address, amountDAIToBorrow, RateMode.Stable, '0', borrower.address);
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// const userGlobalDataAfter = await pool.getUserAccountData(borrower.address);
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// expect(userGlobalDataAfter.currentLiquidationThreshold.toString()).to.be.equal(
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// '8250',
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// INVALID_HF
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// );
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// await oracle.setAssetPrice(
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// dai.address,
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// new BigNumber(daiPrice.toString()).multipliedBy(1.18).toFixed(0)
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// );
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// const userGlobalData = await pool.getUserAccountData(borrower.address);
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// expect(userGlobalData.healthFactor.toString()).to.be.bignumber.lt(
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// oneEther.toFixed(0),
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// INVALID_HF
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// );
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// };
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// const depositSameAssetAndHFBelowOne = async () => {
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// const { dai, weth, users, pool, oracle } = testEnv;
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// const depositor = users[0];
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// const borrower = users[1];
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// //mints DAI to depositor
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// await dai.connect(depositor.signer).mint(await convertToCurrencyDecimals(dai.address, '1000'));
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// //approve protocol to access depositor wallet
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// await dai.connect(depositor.signer).approve(pool.address, APPROVAL_AMOUNT_LENDING_POOL);
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// //user 1 deposits 1000 DAI
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// const amountDAItoDeposit = await convertToCurrencyDecimals(dai.address, '1000');
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// await pool
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// .connect(depositor.signer)
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// .deposit(dai.address, amountDAItoDeposit, depositor.address, '0');
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// //user 2 deposits 1 ETH
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// const amountETHtoDeposit = await convertToCurrencyDecimals(weth.address, '1');
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// //mints WETH to borrower
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// await weth.connect(borrower.signer).mint(await convertToCurrencyDecimals(weth.address, '1000'));
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// //approve protocol to access the borrower wallet
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// await weth.connect(borrower.signer).approve(pool.address, APPROVAL_AMOUNT_LENDING_POOL);
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// await pool
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// .connect(borrower.signer)
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// .deposit(weth.address, amountETHtoDeposit, borrower.address, '0');
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// //user 2 borrows
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// const userGlobalDataBefore = await pool.getUserAccountData(borrower.address);
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// const daiPrice = await oracle.getAssetPrice(dai.address);
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// const amountDAIToBorrow = await convertToCurrencyDecimals(
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// dai.address,
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// new BigNumber(userGlobalDataBefore.availableBorrowsETH.toString())
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// .div(daiPrice.toString())
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// .multipliedBy(0.8)
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// .toFixed(0)
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// );
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// await waitForTx(
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// await pool
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// .connect(borrower.signer)
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// .borrow(dai.address, amountDAIToBorrow, RateMode.Stable, '0', borrower.address)
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// );
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// const userGlobalDataBefore2 = await pool.getUserAccountData(borrower.address);
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// const amountWETHToBorrow = new BigNumber(userGlobalDataBefore2.availableBorrowsETH.toString())
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// .multipliedBy(0.8)
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// .toFixed(0);
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// await pool
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// .connect(borrower.signer)
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// .borrow(weth.address, amountWETHToBorrow, RateMode.Variable, '0', borrower.address);
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// const userGlobalDataAfter = await pool.getUserAccountData(borrower.address);
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// expect(userGlobalDataAfter.currentLiquidationThreshold.toString()).to.be.equal(
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// '8250',
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// INVALID_HF
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// );
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// await oracle.setAssetPrice(
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// dai.address,
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// new BigNumber(daiPrice.toString()).multipliedBy(1.18).toFixed(0)
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// );
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// const userGlobalData = await pool.getUserAccountData(borrower.address);
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// expect(userGlobalData.healthFactor.toString()).to.be.bignumber.lt(
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// oneEther.toFixed(0),
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// INVALID_HF
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// );
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// };
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// beforeEach(async () => {
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// evmSnapshotId = await evmSnapshot();
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// });
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// afterEach(async () => {
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// await evmRevert(evmSnapshotId);
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// });
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// describe('Flash Liquidation Adapter', () => {
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// before('Before LendingPool liquidation: set config', () => {
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// BigNumber.config({ DECIMAL_PLACES: 0, ROUNDING_MODE: BigNumber.ROUND_DOWN });
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// });
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// after('After LendingPool liquidation: reset config', () => {
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// BigNumber.config({ DECIMAL_PLACES: 20, ROUNDING_MODE: BigNumber.ROUND_HALF_UP });
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// });
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// describe('constructor', () => {
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// it('should deploy with correct parameters', async () => {
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// const { addressesProvider, weth } = testEnv;
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// await deployFlashLiquidationAdapter([
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// addressesProvider.address,
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// mockUniswapRouter.address,
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// weth.address,
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// ]);
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// });
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// it('should revert if not valid addresses provider', async () => {
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// const { weth } = testEnv;
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// expect(
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// deployFlashLiquidationAdapter([
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// mockUniswapRouter.address,
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// mockUniswapRouter.address,
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// weth.address,
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// ])
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// ).to.be.reverted;
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// });
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// });
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// describe('executeOperation: succesfully liquidateCall and swap via Flash Loan with profits', () => {
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// it('Liquidates the borrow with profit', async () => {
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// await depositAndHFBelowOne();
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// await increaseTime(100);
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// const {
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// dai,
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// weth,
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// users,
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// pool,
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// oracle,
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// helpersContract,
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// flashLiquidationAdapter,
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// } = testEnv;
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// const liquidator = users[3];
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// const borrower = users[1];
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// const expectedSwap = ethers.utils.parseEther('0.4');
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// const liquidatorWethBalanceBefore = await weth.balanceOf(liquidator.address);
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// // Set how much ETH will be sold and swapped for DAI at Uniswap mock
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// await (await mockUniswapRouter.setAmountToSwap(weth.address, expectedSwap)).wait();
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// const collateralPrice = await oracle.getAssetPrice(weth.address);
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// const principalPrice = await oracle.getAssetPrice(dai.address);
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// const daiReserveDataBefore = await helpersContract.getReserveData(dai.address);
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// const ethReserveDataBefore = await helpersContract.getReserveData(weth.address);
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// const userReserveDataBefore = await getUserData(
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// pool,
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// helpersContract,
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// dai.address,
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// borrower.address
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// );
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// const collateralDecimals = (
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// await helpersContract.getReserveConfigurationData(weth.address)
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// ).decimals.toString();
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// const principalDecimals = (
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// await helpersContract.getReserveConfigurationData(dai.address)
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// ).decimals.toString();
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// const amountToLiquidate = userReserveDataBefore.currentStableDebt.div(2).toFixed(0);
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// const expectedCollateralLiquidated = new BigNumber(principalPrice.toString())
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// .times(new BigNumber(amountToLiquidate).times(105))
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// .times(new BigNumber(10).pow(collateralDecimals))
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// .div(
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// new BigNumber(collateralPrice.toString()).times(
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// new BigNumber(10).pow(principalDecimals)
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// )
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// )
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// .div(100)
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// .decimalPlaces(0, BigNumber.ROUND_DOWN);
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// const flashLoanDebt = new BigNumber(amountToLiquidate.toString())
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// .multipliedBy(1.0009)
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// .toFixed(0);
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// const expectedProfit = ethers.BigNumber.from(expectedCollateralLiquidated.toString()).sub(
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// expectedSwap
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// );
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// const params = buildFlashLiquidationAdapterParams(
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// weth.address,
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// dai.address,
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// borrower.address,
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// amountToLiquidate,
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// false
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// );
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// const tx = await pool
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// .connect(liquidator.signer)
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// .flashLoan(
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// flashLiquidationAdapter.address,
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// [dai.address],
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// [amountToLiquidate],
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// [0],
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// borrower.address,
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// params,
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// 0
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// );
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// // Expect Swapped event
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// await expect(Promise.resolve(tx)).to.emit(flashLiquidationAdapter, 'Swapped');
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// // Expect LiquidationCall event
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// await expect(Promise.resolve(tx)).to.emit(pool, 'LiquidationCall');
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// const userReserveDataAfter = await getUserData(
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// pool,
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// helpersContract,
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// dai.address,
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// borrower.address
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// );
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// const liquidatorWethBalanceAfter = await weth.balanceOf(liquidator.address);
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// const daiReserveDataAfter = await helpersContract.getReserveData(dai.address);
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// const ethReserveDataAfter = await helpersContract.getReserveData(weth.address);
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// if (!tx.blockNumber) {
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// expect(false, 'Invalid block number');
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// return;
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// }
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// const txTimestamp = new BigNumber(
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// (await DRE.ethers.provider.getBlock(tx.blockNumber)).timestamp
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// );
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// const stableDebtBeforeTx = calcExpectedStableDebtTokenBalance(
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// userReserveDataBefore.principalStableDebt,
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// userReserveDataBefore.stableBorrowRate,
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// userReserveDataBefore.stableRateLastUpdated,
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// txTimestamp
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// );
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// const collateralAssetContractBalance = await weth.balanceOf(
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// flashLiquidationAdapter.address
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// );
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// const borrowAssetContractBalance = await dai.balanceOf(flashLiquidationAdapter.address);
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// expect(collateralAssetContractBalance).to.be.equal(
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// '0',
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// 'Contract address should not keep any balance.'
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// );
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// expect(borrowAssetContractBalance).to.be.equal(
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// '0',
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// 'Contract address should not keep any balance.'
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// );
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// expect(userReserveDataAfter.currentStableDebt.toString()).to.be.bignumber.almostEqual(
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// stableDebtBeforeTx.minus(amountToLiquidate).toFixed(0),
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// 'Invalid user debt after liquidation'
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// );
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// //the liquidity index of the principal reserve needs to be bigger than the index before
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// expect(daiReserveDataAfter.liquidityIndex.toString()).to.be.bignumber.gte(
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// daiReserveDataBefore.liquidityIndex.toString(),
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// 'Invalid liquidity index'
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// );
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// //the principal APY after a liquidation needs to be lower than the APY before
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// expect(daiReserveDataAfter.liquidityRate.toString()).to.be.bignumber.lt(
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// daiReserveDataBefore.liquidityRate.toString(),
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// 'Invalid liquidity APY'
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// );
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// expect(daiReserveDataAfter.availableLiquidity.toString()).to.be.bignumber.almostEqual(
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// new BigNumber(daiReserveDataBefore.availableLiquidity.toString())
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// .plus(flashLoanDebt)
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// .toFixed(0),
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// 'Invalid principal available liquidity'
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// );
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// expect(ethReserveDataAfter.availableLiquidity.toString()).to.be.bignumber.almostEqual(
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// new BigNumber(ethReserveDataBefore.availableLiquidity.toString())
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// .minus(expectedCollateralLiquidated)
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// .toFixed(0),
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// 'Invalid collateral available liquidity'
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// );
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// // Profit after flash loan liquidation
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// expect(liquidatorWethBalanceAfter).to.be.equal(
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// liquidatorWethBalanceBefore.add(expectedProfit),
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// 'Invalid expected WETH profit'
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// );
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// });
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// });
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// describe('executeOperation: succesfully liquidateCall with same asset via Flash Loan, but no swap needed', () => {
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// it('Liquidates the borrow with profit', async () => {
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// await depositSameAssetAndHFBelowOne();
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// await increaseTime(100);
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// const { weth, users, pool, oracle, helpersContract, flashLiquidationAdapter } = testEnv;
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// const liquidator = users[3];
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// const borrower = users[1];
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// const liquidatorWethBalanceBefore = await weth.balanceOf(liquidator.address);
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// const assetPrice = await oracle.getAssetPrice(weth.address);
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// const ethReserveDataBefore = await helpersContract.getReserveData(weth.address);
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// const userReserveDataBefore = await getUserData(
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// pool,
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// helpersContract,
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// weth.address,
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// borrower.address
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// );
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// const assetDecimals = (
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// await helpersContract.getReserveConfigurationData(weth.address)
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// ).decimals.toString();
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// const amountToLiquidate = userReserveDataBefore.currentVariableDebt.div(2).toFixed(0);
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// const expectedCollateralLiquidated = new BigNumber(assetPrice.toString())
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// .times(new BigNumber(amountToLiquidate).times(105))
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// .times(new BigNumber(10).pow(assetDecimals))
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// .div(new BigNumber(assetPrice.toString()).times(new BigNumber(10).pow(assetDecimals)))
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// .div(100)
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// .decimalPlaces(0, BigNumber.ROUND_DOWN);
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// const flashLoanDebt = new BigNumber(amountToLiquidate.toString())
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// .multipliedBy(1.0009)
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// .toFixed(0);
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// const params = buildFlashLiquidationAdapterParams(
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// weth.address,
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// weth.address,
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// borrower.address,
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// amountToLiquidate,
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// false
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// );
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// const tx = await pool
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// .connect(liquidator.signer)
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// .flashLoan(
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// flashLiquidationAdapter.address,
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// [weth.address],
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// [amountToLiquidate],
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// [0],
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// borrower.address,
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// params,
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// 0
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// );
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// // Dont expect Swapped event due is same asset
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// await expect(Promise.resolve(tx)).to.not.emit(flashLiquidationAdapter, 'Swapped');
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// // Expect LiquidationCall event
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// await expect(Promise.resolve(tx))
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// .to.emit(pool, 'LiquidationCall')
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// .withArgs(
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// weth.address,
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// weth.address,
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// borrower.address,
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// amountToLiquidate.toString(),
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// expectedCollateralLiquidated.toString(),
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// flashLiquidationAdapter.address,
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// false
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// );
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// const borrowAssetContractBalance = await weth.balanceOf(flashLiquidationAdapter.address);
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// expect(borrowAssetContractBalance).to.be.equal(
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// '0',
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// 'Contract address should not keep any balance.'
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// );
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// });
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// });
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// describe('executeOperation: succesfully liquidateCall and swap via Flash Loan without profits', () => {
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// it('Liquidates the borrow', async () => {
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// await depositAndHFBelowOne();
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// await increaseTime(100);
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// const {
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// dai,
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// weth,
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// users,
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// pool,
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// oracle,
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// helpersContract,
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// flashLiquidationAdapter,
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// } = testEnv;
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// const liquidator = users[3];
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// const borrower = users[1];
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// const liquidatorWethBalanceBefore = await weth.balanceOf(liquidator.address);
|
|
|
|
// const collateralPrice = await oracle.getAssetPrice(weth.address);
|
|
// const principalPrice = await oracle.getAssetPrice(dai.address);
|
|
// const daiReserveDataBefore = await helpersContract.getReserveData(dai.address);
|
|
// const ethReserveDataBefore = await helpersContract.getReserveData(weth.address);
|
|
// const userReserveDataBefore = await getUserData(
|
|
// pool,
|
|
// helpersContract,
|
|
// dai.address,
|
|
// borrower.address
|
|
// );
|
|
|
|
// const collateralDecimals = (
|
|
// await helpersContract.getReserveConfigurationData(weth.address)
|
|
// ).decimals.toString();
|
|
// const principalDecimals = (
|
|
// await helpersContract.getReserveConfigurationData(dai.address)
|
|
// ).decimals.toString();
|
|
// const amountToLiquidate = userReserveDataBefore.currentStableDebt.div(2).toFixed(0);
|
|
|
|
// const expectedCollateralLiquidated = new BigNumber(principalPrice.toString())
|
|
// .times(new BigNumber(amountToLiquidate).times(105))
|
|
// .times(new BigNumber(10).pow(collateralDecimals))
|
|
// .div(
|
|
// new BigNumber(collateralPrice.toString()).times(
|
|
// new BigNumber(10).pow(principalDecimals)
|
|
// )
|
|
// )
|
|
// .div(100)
|
|
// .decimalPlaces(0, BigNumber.ROUND_DOWN);
|
|
|
|
// const flashLoanDebt = new BigNumber(amountToLiquidate.toString())
|
|
// .multipliedBy(1.0009)
|
|
// .toFixed(0);
|
|
|
|
// // Set how much ETH will be sold and swapped for DAI at Uniswap mock
|
|
// await (
|
|
// await mockUniswapRouter.setAmountToSwap(
|
|
// weth.address,
|
|
// expectedCollateralLiquidated.toString()
|
|
// )
|
|
// ).wait();
|
|
|
|
// const params = buildFlashLiquidationAdapterParams(
|
|
// weth.address,
|
|
// dai.address,
|
|
// borrower.address,
|
|
// amountToLiquidate,
|
|
// false
|
|
// );
|
|
// const tx = await pool
|
|
// .connect(liquidator.signer)
|
|
// .flashLoan(
|
|
// flashLiquidationAdapter.address,
|
|
// [dai.address],
|
|
// [flashLoanDebt],
|
|
// [0],
|
|
// borrower.address,
|
|
// params,
|
|
// 0
|
|
// );
|
|
|
|
// // Expect Swapped event
|
|
// await expect(Promise.resolve(tx)).to.emit(flashLiquidationAdapter, 'Swapped');
|
|
|
|
// // Expect LiquidationCall event
|
|
// await expect(Promise.resolve(tx)).to.emit(pool, 'LiquidationCall');
|
|
|
|
// const userReserveDataAfter = await getUserData(
|
|
// pool,
|
|
// helpersContract,
|
|
// dai.address,
|
|
// borrower.address
|
|
// );
|
|
// const liquidatorWethBalanceAfter = await weth.balanceOf(liquidator.address);
|
|
|
|
// const daiReserveDataAfter = await helpersContract.getReserveData(dai.address);
|
|
// const ethReserveDataAfter = await helpersContract.getReserveData(weth.address);
|
|
|
|
// if (!tx.blockNumber) {
|
|
// expect(false, 'Invalid block number');
|
|
// return;
|
|
// }
|
|
// const txTimestamp = new BigNumber(
|
|
// (await DRE.ethers.provider.getBlock(tx.blockNumber)).timestamp
|
|
// );
|
|
|
|
// const stableDebtBeforeTx = calcExpectedStableDebtTokenBalance(
|
|
// userReserveDataBefore.principalStableDebt,
|
|
// userReserveDataBefore.stableBorrowRate,
|
|
// userReserveDataBefore.stableRateLastUpdated,
|
|
// txTimestamp
|
|
// );
|
|
|
|
// const collateralAssetContractBalance = await dai.balanceOf(flashLiquidationAdapter.address);
|
|
// const borrowAssetContractBalance = await weth.balanceOf(flashLiquidationAdapter.address);
|
|
|
|
// expect(collateralAssetContractBalance).to.be.equal(
|
|
// '0',
|
|
// 'Contract address should not keep any balance.'
|
|
// );
|
|
// expect(borrowAssetContractBalance).to.be.equal(
|
|
// '0',
|
|
// 'Contract address should not keep any balance.'
|
|
// );
|
|
// expect(userReserveDataAfter.currentStableDebt.toString()).to.be.bignumber.almostEqual(
|
|
// stableDebtBeforeTx.minus(amountToLiquidate).toFixed(0),
|
|
// 'Invalid user debt after liquidation'
|
|
// );
|
|
|
|
// //the liquidity index of the principal reserve needs to be bigger than the index before
|
|
// expect(daiReserveDataAfter.liquidityIndex.toString()).to.be.bignumber.gte(
|
|
// daiReserveDataBefore.liquidityIndex.toString(),
|
|
// 'Invalid liquidity index'
|
|
// );
|
|
|
|
// //the principal APY after a liquidation needs to be lower than the APY before
|
|
// expect(daiReserveDataAfter.liquidityRate.toString()).to.be.bignumber.lt(
|
|
// daiReserveDataBefore.liquidityRate.toString(),
|
|
// 'Invalid liquidity APY'
|
|
// );
|
|
|
|
// expect(ethReserveDataAfter.availableLiquidity.toString()).to.be.bignumber.almostEqual(
|
|
// new BigNumber(ethReserveDataBefore.availableLiquidity.toString())
|
|
// .minus(expectedCollateralLiquidated)
|
|
// .toFixed(0),
|
|
// 'Invalid collateral available liquidity'
|
|
// );
|
|
|
|
// // Net Profit == 0 after flash loan liquidation
|
|
// expect(liquidatorWethBalanceAfter).to.be.equal(
|
|
// liquidatorWethBalanceBefore,
|
|
// 'Invalid expected WETH profit'
|
|
// );
|
|
// });
|
|
// });
|
|
|
|
// describe('executeOperation: succesfully liquidateCall all available debt and swap via Flash Loan ', () => {
|
|
// it('Liquidates the borrow', async () => {
|
|
// await depositAndHFBelowOne();
|
|
// await increaseTime(100);
|
|
|
|
// const {
|
|
// dai,
|
|
// weth,
|
|
// users,
|
|
// pool,
|
|
// oracle,
|
|
// helpersContract,
|
|
// flashLiquidationAdapter,
|
|
// } = testEnv;
|
|
|
|
// const liquidator = users[3];
|
|
// const borrower = users[1];
|
|
// const liquidatorWethBalanceBefore = await weth.balanceOf(liquidator.address);
|
|
|
|
// const collateralPrice = await oracle.getAssetPrice(weth.address);
|
|
// const principalPrice = await oracle.getAssetPrice(dai.address);
|
|
// const daiReserveDataBefore = await helpersContract.getReserveData(dai.address);
|
|
// const ethReserveDataBefore = await helpersContract.getReserveData(weth.address);
|
|
// const userReserveDataBefore = await getUserData(
|
|
// pool,
|
|
// helpersContract,
|
|
// dai.address,
|
|
// borrower.address
|
|
// );
|
|
|
|
// const collateralDecimals = (
|
|
// await helpersContract.getReserveConfigurationData(weth.address)
|
|
// ).decimals.toString();
|
|
// const principalDecimals = (
|
|
// await helpersContract.getReserveConfigurationData(dai.address)
|
|
// ).decimals.toString();
|
|
// const amountToLiquidate = userReserveDataBefore.currentStableDebt.div(2).toFixed(0);
|
|
// const extraAmount = new BigNumber(amountToLiquidate).times('1.15').toFixed(0);
|
|
|
|
// const expectedCollateralLiquidated = new BigNumber(principalPrice.toString())
|
|
// .times(new BigNumber(amountToLiquidate).times(105))
|
|
// .times(new BigNumber(10).pow(collateralDecimals))
|
|
// .div(
|
|
// new BigNumber(collateralPrice.toString()).times(
|
|
// new BigNumber(10).pow(principalDecimals)
|
|
// )
|
|
// )
|
|
// .div(100)
|
|
// .decimalPlaces(0, BigNumber.ROUND_DOWN);
|
|
|
|
// const flashLoanDebt = new BigNumber(amountToLiquidate.toString())
|
|
// .multipliedBy(1.0009)
|
|
// .toFixed(0);
|
|
|
|
// // Set how much ETH will be sold and swapped for DAI at Uniswap mock
|
|
// await (
|
|
// await mockUniswapRouter.setAmountToSwap(
|
|
// weth.address,
|
|
// expectedCollateralLiquidated.toString()
|
|
// )
|
|
// ).wait();
|
|
|
|
// const params = buildFlashLiquidationAdapterParams(
|
|
// weth.address,
|
|
// dai.address,
|
|
// borrower.address,
|
|
// MAX_UINT_AMOUNT,
|
|
// false
|
|
// );
|
|
// const tx = await pool
|
|
// .connect(liquidator.signer)
|
|
// .flashLoan(
|
|
// flashLiquidationAdapter.address,
|
|
// [dai.address],
|
|
// [extraAmount],
|
|
// [0],
|
|
// borrower.address,
|
|
// params,
|
|
// 0
|
|
// );
|
|
|
|
// // Expect Swapped event
|
|
// await expect(Promise.resolve(tx)).to.emit(flashLiquidationAdapter, 'Swapped');
|
|
|
|
// // Expect LiquidationCall event
|
|
// await expect(Promise.resolve(tx)).to.emit(pool, 'LiquidationCall');
|
|
|
|
// const collateralAssetContractBalance = await dai.balanceOf(flashLiquidationAdapter.address);
|
|
// const borrowAssetContractBalance = await dai.balanceOf(flashLiquidationAdapter.address);
|
|
|
|
// expect(collateralAssetContractBalance).to.be.equal(
|
|
// '0',
|
|
// 'Contract address should not keep any balance.'
|
|
// );
|
|
// expect(borrowAssetContractBalance).to.be.equal(
|
|
// '0',
|
|
// 'Contract address should not keep any balance.'
|
|
// );
|
|
// });
|
|
// });
|
|
|
|
// describe('executeOperation: invalid params', async () => {
|
|
// it('Revert if debt asset is different than requested flash loan token', async () => {
|
|
// await depositAndHFBelowOne();
|
|
|
|
// const { dai, weth, users, pool, helpersContract, flashLiquidationAdapter } = testEnv;
|
|
|
|
// const liquidator = users[3];
|
|
// const borrower = users[1];
|
|
// const expectedSwap = ethers.utils.parseEther('0.4');
|
|
|
|
// // Set how much ETH will be sold and swapped for DAI at Uniswap mock
|
|
// await (await mockUniswapRouter.setAmountToSwap(weth.address, expectedSwap)).wait();
|
|
|
|
// const userReserveDataBefore = await getUserData(
|
|
// pool,
|
|
// helpersContract,
|
|
// dai.address,
|
|
// borrower.address
|
|
// );
|
|
|
|
// const amountToLiquidate = userReserveDataBefore.currentStableDebt.div(2).toFixed(0);
|
|
|
|
// // Wrong debt asset
|
|
// const params = buildFlashLiquidationAdapterParams(
|
|
// weth.address,
|
|
// weth.address, // intentionally bad
|
|
// borrower.address,
|
|
// amountToLiquidate,
|
|
// false
|
|
// );
|
|
// await expect(
|
|
// pool
|
|
// .connect(liquidator.signer)
|
|
// .flashLoan(
|
|
// flashLiquidationAdapter.address,
|
|
// [dai.address],
|
|
// [amountToLiquidate],
|
|
// [0],
|
|
// borrower.address,
|
|
// params,
|
|
// 0
|
|
// )
|
|
// ).to.be.revertedWith('INCONSISTENT_PARAMS');
|
|
// });
|
|
|
|
// it('Revert if debt asset amount to liquidate is greater than requested flash loan', async () => {
|
|
// await depositAndHFBelowOne();
|
|
|
|
// const { dai, weth, users, pool, helpersContract, flashLiquidationAdapter } = testEnv;
|
|
|
|
// const liquidator = users[3];
|
|
// const borrower = users[1];
|
|
// const expectedSwap = ethers.utils.parseEther('0.4');
|
|
|
|
// // Set how much ETH will be sold and swapped for DAI at Uniswap mock
|
|
// await (await mockUniswapRouter.setAmountToSwap(weth.address, expectedSwap)).wait();
|
|
|
|
// const userReserveDataBefore = await getUserData(
|
|
// pool,
|
|
// helpersContract,
|
|
// dai.address,
|
|
// borrower.address
|
|
// );
|
|
|
|
// const amountToLiquidate = userReserveDataBefore.currentStableDebt.div(2);
|
|
|
|
// // Correct params
|
|
// const params = buildFlashLiquidationAdapterParams(
|
|
// weth.address,
|
|
// dai.address,
|
|
// borrower.address,
|
|
// amountToLiquidate.toString(),
|
|
// false
|
|
// );
|
|
// // Bad flash loan params: requested DAI amount below amountToLiquidate
|
|
// await expect(
|
|
// pool
|
|
// .connect(liquidator.signer)
|
|
// .flashLoan(
|
|
// flashLiquidationAdapter.address,
|
|
// [dai.address],
|
|
// [amountToLiquidate.div(2).toString()],
|
|
// [0],
|
|
// borrower.address,
|
|
// params,
|
|
// 0
|
|
// )
|
|
// ).to.be.revertedWith(LP_LIQUIDATION_CALL_FAILED);
|
|
// });
|
|
|
|
// it('Revert if requested multiple assets', async () => {
|
|
// await depositAndHFBelowOne();
|
|
|
|
// const { dai, weth, users, pool, helpersContract, flashLiquidationAdapter } = testEnv;
|
|
|
|
// const liquidator = users[3];
|
|
// const borrower = users[1];
|
|
// const expectedSwap = ethers.utils.parseEther('0.4');
|
|
|
|
// // Set how much ETH will be sold and swapped for DAI at Uniswap mock
|
|
// await (await mockUniswapRouter.setAmountToSwap(weth.address, expectedSwap)).wait();
|
|
|
|
// const userReserveDataBefore = await getUserData(
|
|
// pool,
|
|
// helpersContract,
|
|
// dai.address,
|
|
// borrower.address
|
|
// );
|
|
|
|
// const amountToLiquidate = userReserveDataBefore.currentStableDebt.div(2);
|
|
|
|
// // Correct params
|
|
// const params = buildFlashLiquidationAdapterParams(
|
|
// weth.address,
|
|
// dai.address,
|
|
// borrower.address,
|
|
// amountToLiquidate.toString(),
|
|
// false
|
|
// );
|
|
// // Bad flash loan params: requested multiple assets
|
|
// await expect(
|
|
// pool
|
|
// .connect(liquidator.signer)
|
|
// .flashLoan(
|
|
// flashLiquidationAdapter.address,
|
|
// [dai.address, weth.address],
|
|
// [10, 10],
|
|
// [0],
|
|
// borrower.address,
|
|
// params,
|
|
// 0
|
|
// )
|
|
// ).to.be.revertedWith('INCONSISTENT_PARAMS');
|
|
// });
|
|
// });
|
|
// });
|
|
// });
|