mirror of
https://github.com/Instadapp/aave-protocol-v2.git
synced 2024-07-29 21:47:30 +00:00
initial refactoring of liquidation-atoken.spec
This commit is contained in:
andyk
parent
9e76bcf765
commit
d1f21118c1
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@ -58,6 +58,10 @@ export enum ProtocolErrors {
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INCONSISTENT_PROTOCOL_BALANCE = "The actual balance of the protocol is inconsistent",
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TOO_SMALL_FLASH_LOAN = "The requested amount is too small for a flashLoan.",
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NOT_ENOUGH_LIQUIDITY_TO_BORROW = "There is not enough liquidity available to borrow",
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HF_IS_NOT_BELLOW_THRESHOLD = "Health factor is not below the threshold",
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INVALID_HF = "Invalid health factor",
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USER_DID_NOT_BORROW_SPECIFIED = "User did not borrow the specified currency",
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INVALID_COLLATERAL_TO_LIQUIDATE = "Invalid collateral to liquidate",
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}
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export type tEthereumAddress = string;
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@ -63,6 +63,7 @@ import {MockAggregator} from "../types/MockAggregator";
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import {LendingRateOracle} from "../types/LendingRateOracle";
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import {LendingPoolCore} from "../types/LendingPoolCore";
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import {LendingPoolConfigurator} from "../types/LendingPoolConfigurator";
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import { initializeMakeSuite } from './helpers/make-suite';
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const deployAllMockTokens = async (deployer: Signer) => {
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const tokens: {[symbol: string]: MockContract | MintableErc20} = {};
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@ -642,6 +643,7 @@ before(async () => {
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const [deployer, secondaryWallet] = await getEthersSigners();
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console.log("-> Deploying test environment...");
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await buildTestEnv(deployer, secondaryWallet);
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await initializeMakeSuite();
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console.log("\n***************");
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console.log("Setup and snapshot finished");
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console.log("***************\n");
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@ -1,5 +1,4 @@
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import {evmRevert, evmSnapshot, BRE} from "../../helpers/misc-utils";
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import {TEST_SNAPSHOT_ID} from "../../helpers/constants";
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import {Signer} from "ethers";
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import {
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getEthersSigners,
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@ -9,8 +8,8 @@ import {
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getAaveProtocolTestHelpers,
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getAToken,
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getMintableErc20,
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getLendingPoolConfiguratorProxy,
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} from "../../helpers/contracts-helpers";
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getLendingPoolConfiguratorProxy, getPriceOracle,
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} from '../../helpers/contracts-helpers';
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import {tEthereumAddress} from "../../helpers/types";
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import {LendingPool} from "../../types/LendingPool";
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import {LendingPoolCore} from "../../types/LendingPoolCore";
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@ -23,6 +22,7 @@ import {LendingPoolConfigurator} from "../../types/LendingPoolConfigurator";
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import chai from "chai";
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// @ts-ignore
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import bignumberChai from "chai-bignumber";
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import { PriceOracle } from '../../types/PriceOracle';
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chai.use(bignumberChai());
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export interface SignerWithAddress {
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@ -36,9 +36,11 @@ export interface TestEnv {
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core: LendingPoolCore;
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configurator: LendingPoolConfigurator;
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addressesProvider: LendingPoolAddressesProvider;
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oracle: PriceOracle;
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helpersContract: AaveProtocolTestHelpers;
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dai: MintableErc20;
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aDai: AToken;
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usdc: MintableErc20;
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}
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let buidlerevmSnapshotId: string = "0x1";
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@ -48,59 +50,65 @@ const setBuidlerevmSnapshotId = (id: string) => {
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}
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};
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const testEnv: TestEnv = {
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deployer: {} as SignerWithAddress,
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users: [] as SignerWithAddress[],
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pool: {} as LendingPool,
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core: {} as LendingPoolCore,
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configurator: {} as LendingPoolConfigurator,
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addressesProvider: {} as LendingPoolAddressesProvider,
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helpersContract: {} as AaveProtocolTestHelpers,
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oracle: {} as PriceOracle,
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dai: {} as MintableErc20,
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aDai: {} as AToken,
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usdc: {} as MintableErc20,
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} as TestEnv;
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export async function initializeMakeSuite() {
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const [_deployer, ...restSigners] = await getEthersSigners();
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const deployer: SignerWithAddress = {
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address: await _deployer.getAddress(),
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signer: _deployer,
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};
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for (const signer of restSigners) {
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testEnv.users.push({
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signer,
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address: await signer.getAddress(),
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});
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}
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testEnv.deployer = deployer;
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testEnv.pool = await getLendingPool();
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testEnv.core = await getLendingPoolCore();
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testEnv.configurator = await getLendingPoolConfiguratorProxy();
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testEnv.oracle = await getPriceOracle();
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testEnv.addressesProvider = await getLendingPoolAddressesProvider();
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testEnv.helpersContract = await getAaveProtocolTestHelpers();
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const aDaiAddress = (await testEnv.helpersContract.getAllATokens()).find(
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(aToken) => aToken.symbol === "aDAI"
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)?.tokenAddress;
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const reservesTokens = await testEnv.helpersContract.getAllReservesTokens();
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const daiAddress = reservesTokens.find(token => token.symbol === "DAI")?.tokenAddress;
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const usdcAddress = reservesTokens.find(token => token.symbol === "USDC")?.tokenAddress;
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if (!aDaiAddress) {
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console.log(`atoken-modifiers.spec: aDAI not correctly initialized`);
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process.exit(1);
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}
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if (!daiAddress || !usdcAddress) {
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console.log(`atoken-modifiers.spec: USDC or DAI not correctly initialized`);
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process.exit(1);
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}
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testEnv.aDai = await getAToken(aDaiAddress);
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testEnv.dai = await getMintableErc20(daiAddress);
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testEnv.usdc = await getMintableErc20(usdcAddress);
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}
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export function makeSuite(name: string, tests: (testEnv: TestEnv) => void) {
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describe(name, () => {
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const testEnv: TestEnv = {
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deployer: {} as SignerWithAddress,
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users: [] as SignerWithAddress[],
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pool: {} as LendingPool,
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core: {} as LendingPoolCore,
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configurator: {} as LendingPoolConfigurator,
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addressesProvider: {} as LendingPoolAddressesProvider,
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helpersContract: {} as AaveProtocolTestHelpers,
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dai: {} as MintableErc20,
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aDai: {} as AToken,
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} as TestEnv;
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before(async () => {
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console.time("makeSuite");
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setBuidlerevmSnapshotId(await evmSnapshot());
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const [_deployer, ...restSigners] = await getEthersSigners();
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const deployer: SignerWithAddress = {
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address: await _deployer.getAddress(),
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signer: _deployer,
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};
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for (const signer of restSigners) {
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testEnv.users.push({
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signer,
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address: await signer.getAddress(),
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});
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}
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testEnv.deployer = deployer;
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testEnv.pool = await getLendingPool();
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testEnv.core = await getLendingPoolCore();
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testEnv.configurator = await getLendingPoolConfiguratorProxy();
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testEnv.addressesProvider = await getLendingPoolAddressesProvider();
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testEnv.helpersContract = await getAaveProtocolTestHelpers();
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const aDaiAddress = (await testEnv.helpersContract.getAllATokens()).find(
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(aToken) => aToken.symbol === "aDAI"
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)?.tokenAddress;
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const daiAddress = (
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await await testEnv.helpersContract.getAllReservesTokens()
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).find((token) => token.symbol === "DAI")?.tokenAddress;
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if (!aDaiAddress) {
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console.log(`atoken-modifiers.spec: aDAI not correctly initialized`);
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process.exit(1);
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}
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if (!daiAddress) {
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console.log(`atoken-modifiers.spec: DAI not correctly initialized`);
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process.exit(1);
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}
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testEnv.aDai = await getAToken(aDaiAddress);
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testEnv.dai = await getMintableErc20(daiAddress);
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console.timeEnd("makeSuite");
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});
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tests(testEnv);
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after(async () => {
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@ -1,493 +1,353 @@
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// import {
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// LendingPoolInstance,
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// LendingPoolCoreInstance,
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// IPriceOracleInstance,
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// ATokenInstance,
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// LendingPoolAddressesProviderInstance,
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// MintableERC20Instance,
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// } from '../utils/typechain-types/truffle-contracts';
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// import {
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// ContractId,
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// IReserveParams,
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// iATokenBase,
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// iAavePoolAssets,
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// iAssetsWithoutETH,
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// ITestEnvWithoutInstances,
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// RateMode,
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// } from '../utils/types';
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// import BigNumber from 'bignumber.js';
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// import {
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// APPROVAL_AMOUNT_LENDING_POOL_CORE,
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// oneEther,
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// ETHEREUM_ADDRESS,
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// } from '../utils/constants';
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// import {testEnvProviderWithoutInstances} from '../utils/truffle/dlp-tests-env';
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// import {convertToCurrencyDecimals} from '../utils/misc-utils';
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// import {getTruffleContractInstance} from '../utils/truffle/truffle-core-utils';
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// const expectRevert = require('@openzeppelin/test-helpers').expectRevert;
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// const {expect} = require('chai');
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// const almostEqual: any = function(this: any, expected: any, actual: any): any {
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// this.assert(
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// expected.plus(new BigNumber(1)).eq(actual) ||
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// expected.plus(new BigNumber(2)).eq(actual) ||
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// actual.plus(new BigNumber(1)).eq(expected) ||
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// actual.plus(new BigNumber(2)).eq(expected) ||
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// expected.eq(actual),
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// 'expected #{act} to be almost equal #{exp}',
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// 'expected #{act} to be different from #{exp}',
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// expected.toString(),
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// actual.toString()
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// );
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// };
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// require('chai').use(function(chai: any, utils: any) {
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// chai.Assertion.overwriteMethod('almostEqual', function(original: any) {
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// return function(this: any, value: any) {
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// if (utils.flag(this, 'bignumber')) {
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// var expected = new BigNumber(value);
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// var actual = new BigNumber(this._obj);
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// almostEqual.apply(this, [expected, actual]);
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// } else {
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// original.apply(this, arguments);
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// }
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// };
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// });
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// });
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// contract('LendingPool liquidation - liquidator receiving aToken', async ([deployer, ...users]) => {
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// let _testEnvProvider: ITestEnvWithoutInstances;
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// let _lendingPoolInstance: LendingPoolInstance;
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// let _lendingPoolCoreInstance: LendingPoolCoreInstance;
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// let _lendingPoolAddressesProviderInstance: LendingPoolAddressesProviderInstance;
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// let _priceOracleInstance: IPriceOracleInstance;
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// let _aTokenInstances: iATokenBase<ATokenInstance>;
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// let _tokenInstances: iAssetsWithoutETH<MintableERC20Instance>;
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// let _daiAddress: string;
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// let _reservesParams: iAavePoolAssets<IReserveParams>;
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// let _depositorAddress: string;
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// let _borrowerAddress: string;
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// let _web3: Web3;
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// let _initialDepositorETHBalance: string;
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// before('Initializing LendingPool test variables', async () => {
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// console.time('setup-test');
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// _testEnvProvider = await testEnvProviderWithoutInstances(artifacts, [deployer, ...users]);
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// const {
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// getWeb3,
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// getAllAssetsInstances,
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// getFirstBorrowerAddressOnTests,
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// getFirstDepositorAddressOnTests,
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// getAavePoolReservesParams,
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// getLendingPoolInstance,
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// getLendingPoolCoreInstance,
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// getPriceOracleInstance,
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// getATokenInstances,
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// getLendingPoolAddressesProviderInstance,
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// } = _testEnvProvider;
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// const instances = await Promise.all([
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// getLendingPoolInstance(),
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// getLendingPoolCoreInstance(),
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// getPriceOracleInstance(),
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// getATokenInstances(),
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// getLendingPoolAddressesProviderInstance(),
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// getAllAssetsInstances(),
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// ]);
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// _reservesParams = await getAavePoolReservesParams();
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// _lendingPoolInstance = instances[0];
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// _lendingPoolCoreInstance = instances[1];
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// _priceOracleInstance = instances[2];
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// _aTokenInstances = instances[3];
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// _lendingPoolAddressesProviderInstance = instances[4];
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// _tokenInstances = instances[5];
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// _daiAddress = _tokenInstances.DAI.address;
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// _depositorAddress = await getFirstDepositorAddressOnTests();
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// _borrowerAddress = await getFirstBorrowerAddressOnTests();
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// _web3 = await getWeb3();
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// _initialDepositorETHBalance = await _web3.eth.getBalance(_depositorAddress);
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// console.timeEnd('setup-test');
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// });
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// it('LIQUIDATION - Deposits ETH, borrows DAI/Check liquidation fails because health factor is above 1', async () => {
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// const {DAI: daiInstance} = _tokenInstances;
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// const aEthInstance: ATokenInstance = await getTruffleContractInstance(
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// artifacts,
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// ContractId.AToken,
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// await _lendingPoolCoreInstance.getReserveATokenAddress(ETHEREUM_ADDRESS)
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// );
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// //mints DAI to depositor
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// await daiInstance.mint(await convertToCurrencyDecimals(daiInstance.address, '1000'), {
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// from: _depositorAddress,
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// });
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// //approve protocol to access depositor wallet
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// await daiInstance.approve(_lendingPoolCoreInstance.address, APPROVAL_AMOUNT_LENDING_POOL_CORE, {
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// from: _depositorAddress,
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// });
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// //user 1 deposits 1000 DAI
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// const amountDAItoDeposit = await convertToCurrencyDecimals(_daiAddress, '1000');
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// await _lendingPoolInstance.deposit(_daiAddress, amountDAItoDeposit, '0', {
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// from: _depositorAddress,
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// });
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// //user 2 deposits 1 ETH
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// const amountETHtoDeposit = await convertToCurrencyDecimals(ETHEREUM_ADDRESS, '1');
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// await _lendingPoolInstance.deposit(ETHEREUM_ADDRESS, amountETHtoDeposit, '0', {
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// from: _borrowerAddress,
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// value: amountETHtoDeposit,
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// });
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// //user 2 borrows
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// const userGlobalData: any = await _lendingPoolInstance.getUserAccountData(_borrowerAddress);
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// const daiPrice = await _priceOracleInstance.getAssetPrice(_daiAddress);
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// const amountDAIToBorrow = await convertToCurrencyDecimals(
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// _daiAddress,
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// new BigNumber(userGlobalData.availableBorrowsETH)
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// .div(daiPrice)
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// .multipliedBy(0.95)
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// .toFixed(0)
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// );
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// await _lendingPoolInstance.borrow(_daiAddress, amountDAIToBorrow, RateMode.Stable, '0', {
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// from: _borrowerAddress,
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// });
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// const userGlobalDataAfter: any = await _lendingPoolInstance.getUserAccountData(
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// _borrowerAddress
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// );
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// expect(userGlobalDataAfter.currentLiquidationThreshold).to.be.bignumber.equal(
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// '80',
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// 'Invalid liquidation threshold'
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// );
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// //user 2 tries to borrow
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// await expectRevert(
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// _lendingPoolInstance.liquidationCall(
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// ETHEREUM_ADDRESS,
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// _daiAddress,
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// _borrowerAddress,
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// amountDAIToBorrow,
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// true
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// ),
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// 'Health factor is not below the threshold'
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// );
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// });
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// it('LIQUIDATION - Drop the health factor below 1', async () => {
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// const daiPrice = await _priceOracleInstance.getAssetPrice(_daiAddress);
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// //halving the price of ETH - means doubling the DAIETH exchange rate
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// await _priceOracleInstance.setAssetPrice(
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// _daiAddress,
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// new BigNumber(daiPrice).multipliedBy(1.15).toFixed(0)
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// );
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// const userGlobalData: any = await _lendingPoolInstance.getUserAccountData(_borrowerAddress);
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// expect(userGlobalData.healthFactor).to.be.bignumber.lt(
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// oneEther.toFixed(0),
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// 'Invalid health factor'
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// );
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// });
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// it('LIQUIDATION - Tries to liquidate a different currency than the loan principal', async () => {
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// //user 2 tries to borrow
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// await expectRevert(
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// _lendingPoolInstance.liquidationCall(
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// ETHEREUM_ADDRESS,
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// ETHEREUM_ADDRESS,
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// _borrowerAddress,
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// oneEther,
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// true
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// ),
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// 'User did not borrow the specified currency'
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// );
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// });
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// it('LIQUIDATION - Tries to liquidate a different collateral than the borrower collateral', async () => {
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// //user 2 tries to borrow
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// await expectRevert(
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// _lendingPoolInstance.liquidationCall(
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// _daiAddress,
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// _daiAddress,
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// _borrowerAddress,
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// oneEther,
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// true
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// ),
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// 'Invalid collateral to liquidate'
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// );
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// });
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// it('LIQUIDATION - Liquidates the borrow', async () => {
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// const {DAI: daiInstance} = _tokenInstances;
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// //mints dai to the caller
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// await daiInstance.mint(await convertToCurrencyDecimals(daiInstance.address, '1000'));
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// //approve protocol to access depositor wallet
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// await daiInstance.approve(_lendingPoolCoreInstance.address, APPROVAL_AMOUNT_LENDING_POOL_CORE);
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// const userReserveDataBefore: any = await _lendingPoolInstance.getUserReserveData(
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// _daiAddress,
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// _borrowerAddress
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// );
|
||||
|
||||
// const daiReserveDataBefore: any = await _lendingPoolInstance.getReserveData(_daiAddress);
|
||||
// const ethReserveDataBefore: any = await _lendingPoolInstance.getReserveData(ETHEREUM_ADDRESS);
|
||||
|
||||
// const amountToLiquidate = new BigNumber(userReserveDataBefore.currentBorrowBalance)
|
||||
// .div(2)
|
||||
// .toFixed(0);
|
||||
|
||||
// await _lendingPoolInstance.liquidationCall(
|
||||
// ETHEREUM_ADDRESS,
|
||||
// _daiAddress,
|
||||
// _borrowerAddress,
|
||||
// amountToLiquidate,
|
||||
// true
|
||||
// );
|
||||
|
||||
// const userReserveDataAfter: any = await _lendingPoolInstance.getUserReserveData(
|
||||
// _daiAddress,
|
||||
// _borrowerAddress
|
||||
// );
|
||||
|
||||
// const userGlobalDataAfter: any = await _lendingPoolInstance.getUserAccountData(
|
||||
// _borrowerAddress
|
||||
// );
|
||||
|
||||
// const daiReserveDataAfter: any = await _lendingPoolInstance.getReserveData(_daiAddress);
|
||||
// const ethReserveDataAfter: any = await _lendingPoolInstance.getReserveData(ETHEREUM_ADDRESS);
|
||||
|
||||
// const feeAddress = await _lendingPoolAddressesProviderInstance.getTokenDistributor();
|
||||
|
||||
// const feeAddressBalance = await web3.eth.getBalance(feeAddress);
|
||||
|
||||
// const collateralPrice = await _priceOracleInstance.getAssetPrice(ETHEREUM_ADDRESS);
|
||||
// const principalPrice = await _priceOracleInstance.getAssetPrice(_daiAddress);
|
||||
|
||||
// const collateralDecimals = await _lendingPoolCoreInstance.getReserveDecimals(ETHEREUM_ADDRESS);
|
||||
// const principalDecimals = await _lendingPoolCoreInstance.getReserveDecimals(_daiAddress);
|
||||
|
||||
// const expectedCollateralLiquidated = new BigNumber(principalPrice)
|
||||
// .times(new BigNumber(amountToLiquidate).times(105))
|
||||
// .times(new BigNumber(10).pow(collateralDecimals))
|
||||
// .div(new BigNumber(collateralPrice).times(new BigNumber(10).pow(principalDecimals)))
|
||||
// .decimalPlaces(0, BigNumber.ROUND_DOWN);
|
||||
|
||||
// const expectedFeeLiquidated = new BigNumber(principalPrice)
|
||||
// .times(new BigNumber(userReserveDataBefore.originationFee).times(105))
|
||||
// .times(new BigNumber(10).pow(collateralDecimals))
|
||||
// .div(new BigNumber(collateralPrice).times(new BigNumber(10).pow(principalDecimals)))
|
||||
// .div(100)
|
||||
// .decimalPlaces(0, BigNumber.ROUND_DOWN);
|
||||
|
||||
// expect(userGlobalDataAfter.healthFactor).to.be.bignumber.gt(
|
||||
// oneEther.toFixed(0),
|
||||
// 'Invalid health factor'
|
||||
// );
|
||||
|
||||
// expect(userReserveDataAfter.originationFee).to.be.bignumber.eq(
|
||||
// '0',
|
||||
// 'Origination fee should be repaid'
|
||||
// );
|
||||
|
||||
// expect(feeAddressBalance).to.be.bignumber.gt('0');
|
||||
|
||||
// expect(userReserveDataAfter.principalBorrowBalance).to.be.bignumber.almostEqual(
|
||||
// new BigNumber(userReserveDataBefore.currentBorrowBalance).minus(amountToLiquidate).toFixed(0),
|
||||
// 'Invalid user borrow balance after liquidation'
|
||||
// );
|
||||
|
||||
// expect(daiReserveDataAfter.availableLiquidity).to.be.bignumber.almostEqual(
|
||||
// new BigNumber(daiReserveDataBefore.availableLiquidity).plus(amountToLiquidate).toFixed(0),
|
||||
// 'Invalid principal available liquidity'
|
||||
// );
|
||||
|
||||
// expect(ethReserveDataAfter.availableLiquidity).to.be.bignumber.almostEqual(
|
||||
// new BigNumber(ethReserveDataBefore.availableLiquidity)
|
||||
// .minus(expectedFeeLiquidated)
|
||||
// .toFixed(0),
|
||||
// 'Invalid collateral available liquidity'
|
||||
// );
|
||||
// });
|
||||
|
||||
// it('User 3 deposits 1000 USDC, user 4 1 ETH, user 4 borrows - drops HF, liquidates the borrow', async () => {
|
||||
// const {USDC: usdcInstance} = _tokenInstances;
|
||||
|
||||
// //mints USDC to depositor
|
||||
// await usdcInstance.mint(await convertToCurrencyDecimals(usdcInstance.address, '1000'), {
|
||||
// from: users[3],
|
||||
// });
|
||||
|
||||
// //approve protocol to access depositor wallet
|
||||
// await usdcInstance.approve(
|
||||
// _lendingPoolCoreInstance.address,
|
||||
// APPROVAL_AMOUNT_LENDING_POOL_CORE,
|
||||
// {
|
||||
// from: users[3],
|
||||
// }
|
||||
// );
|
||||
|
||||
// //user 3 deposits 1000 USDC
|
||||
// const amountUSDCtoDeposit = await convertToCurrencyDecimals(usdcInstance.address, '1000');
|
||||
|
||||
// await _lendingPoolInstance.deposit(usdcInstance.address, amountUSDCtoDeposit, '0', {
|
||||
// from: users[3],
|
||||
// });
|
||||
|
||||
// //user 4 deposits 1 ETH
|
||||
// const amountETHtoDeposit = await convertToCurrencyDecimals(ETHEREUM_ADDRESS, '1');
|
||||
|
||||
// await _lendingPoolInstance.deposit(ETHEREUM_ADDRESS, amountETHtoDeposit, '0', {
|
||||
// from: users[4],
|
||||
// value: amountETHtoDeposit,
|
||||
// });
|
||||
|
||||
// //user 4 borrows
|
||||
// const userGlobalData: any = await _lendingPoolInstance.getUserAccountData(users[4]);
|
||||
|
||||
// const usdcPrice = await _priceOracleInstance.getAssetPrice(usdcInstance.address);
|
||||
|
||||
// const amountUSDCToBorrow = await convertToCurrencyDecimals(
|
||||
// usdcInstance.address,
|
||||
// new BigNumber(userGlobalData.availableBorrowsETH)
|
||||
// .div(usdcPrice)
|
||||
// .multipliedBy(0.95)
|
||||
// .toFixed(0)
|
||||
// );
|
||||
|
||||
// await _lendingPoolInstance.borrow(
|
||||
// usdcInstance.address,
|
||||
// amountUSDCToBorrow,
|
||||
// RateMode.Stable,
|
||||
// '0',
|
||||
// {
|
||||
// from: users[4],
|
||||
// }
|
||||
// );
|
||||
|
||||
// //drops HF below 1
|
||||
|
||||
// await _priceOracleInstance.setAssetPrice(
|
||||
// usdcInstance.address,
|
||||
// new BigNumber(usdcPrice).multipliedBy(1.2).toFixed(0)
|
||||
// );
|
||||
|
||||
// //mints dai to the liquidator
|
||||
|
||||
// await usdcInstance.mint(await convertToCurrencyDecimals(usdcInstance.address, '1000'));
|
||||
|
||||
// //approve protocol to access depositor wallet
|
||||
// await usdcInstance.approve(_lendingPoolCoreInstance.address, APPROVAL_AMOUNT_LENDING_POOL_CORE);
|
||||
|
||||
// const userReserveDataBefore: any = await _lendingPoolInstance.getUserReserveData(
|
||||
// usdcInstance.address,
|
||||
// users[4]
|
||||
// );
|
||||
|
||||
// const usdcReserveDataBefore: any = await _lendingPoolInstance.getReserveData(
|
||||
// usdcInstance.address
|
||||
// );
|
||||
// const ethReserveDataBefore: any = await _lendingPoolInstance.getReserveData(ETHEREUM_ADDRESS);
|
||||
|
||||
// const amountToLiquidate = new BigNumber(userReserveDataBefore.currentBorrowBalance)
|
||||
// .div(2)
|
||||
// .toFixed(0);
|
||||
|
||||
// await _lendingPoolInstance.liquidationCall(
|
||||
// ETHEREUM_ADDRESS,
|
||||
// usdcInstance.address,
|
||||
// users[4],
|
||||
// amountToLiquidate,
|
||||
// true
|
||||
// );
|
||||
|
||||
// const userReserveDataAfter: any = await _lendingPoolInstance.getUserReserveData(
|
||||
// usdcInstance.address,
|
||||
// users[4]
|
||||
// );
|
||||
|
||||
// const userGlobalDataAfter: any = await _lendingPoolInstance.getUserAccountData(users[4]);
|
||||
|
||||
// const usdcReserveDataAfter: any = await _lendingPoolInstance.getReserveData(
|
||||
// usdcInstance.address
|
||||
// );
|
||||
// const ethReserveDataAfter: any = await _lendingPoolInstance.getReserveData(ETHEREUM_ADDRESS);
|
||||
|
||||
// const feeAddress = await _lendingPoolAddressesProviderInstance.getTokenDistributor();
|
||||
|
||||
// const feeAddressBalance = await web3.eth.getBalance(feeAddress);
|
||||
|
||||
// const collateralPrice = await _priceOracleInstance.getAssetPrice(ETHEREUM_ADDRESS);
|
||||
// const principalPrice = await _priceOracleInstance.getAssetPrice(usdcInstance.address);
|
||||
|
||||
// const collateralDecimals = await _lendingPoolCoreInstance.getReserveDecimals(ETHEREUM_ADDRESS);
|
||||
// const principalDecimals = await _lendingPoolCoreInstance.getReserveDecimals(
|
||||
// usdcInstance.address
|
||||
// );
|
||||
|
||||
// const expectedCollateralLiquidated = new BigNumber(principalPrice)
|
||||
// .times(new BigNumber(amountToLiquidate).times(105))
|
||||
// .times(new BigNumber(10).pow(collateralDecimals))
|
||||
// .div(new BigNumber(collateralPrice).times(new BigNumber(10).pow(principalDecimals)))
|
||||
// .decimalPlaces(0, BigNumber.ROUND_DOWN);
|
||||
|
||||
// const expectedFeeLiquidated = new BigNumber(principalPrice)
|
||||
// .times(new BigNumber(userReserveDataBefore.originationFee).times(105))
|
||||
// .times(new BigNumber(10).pow(collateralDecimals))
|
||||
// .div(new BigNumber(collateralPrice).times(new BigNumber(10).pow(principalDecimals)))
|
||||
// .div(100)
|
||||
// .decimalPlaces(0, BigNumber.ROUND_DOWN);
|
||||
|
||||
// expect(userGlobalDataAfter.healthFactor).to.be.bignumber.gt(
|
||||
// oneEther.toFixed(0),
|
||||
// 'Invalid health factor'
|
||||
// );
|
||||
|
||||
// expect(userReserveDataAfter.originationFee).to.be.bignumber.eq(
|
||||
// '0',
|
||||
// 'Origination fee should be repaid'
|
||||
// );
|
||||
|
||||
// expect(feeAddressBalance).to.be.bignumber.gt('0');
|
||||
|
||||
// expect(userReserveDataAfter.principalBorrowBalance).to.be.bignumber.almostEqual(
|
||||
// new BigNumber(userReserveDataBefore.currentBorrowBalance).minus(amountToLiquidate).toFixed(0),
|
||||
// 'Invalid user borrow balance after liquidation'
|
||||
// );
|
||||
|
||||
// expect(usdcReserveDataAfter.availableLiquidity).to.be.bignumber.almostEqual(
|
||||
// new BigNumber(usdcReserveDataBefore.availableLiquidity).plus(amountToLiquidate).toFixed(0),
|
||||
// 'Invalid principal available liquidity'
|
||||
// );
|
||||
|
||||
// expect(ethReserveDataAfter.availableLiquidity).to.be.bignumber.almostEqual(
|
||||
// new BigNumber(ethReserveDataBefore.availableLiquidity)
|
||||
// .minus(expectedFeeLiquidated)
|
||||
// .toFixed(0),
|
||||
// 'Invalid collateral available liquidity'
|
||||
// );
|
||||
// });
|
||||
// });
|
||||
import BigNumber from 'bignumber.js';
|
||||
|
||||
import {BRE} from '../helpers/misc-utils';
|
||||
import {APPROVAL_AMOUNT_LENDING_POOL_CORE, MOCK_ETH_ADDRESS, oneEther} from '../helpers/constants';
|
||||
import {convertToCurrencyDecimals} from '../helpers/contracts-helpers';
|
||||
import {makeSuite} from './helpers/make-suite';
|
||||
import {ProtocolErrors, RateMode} from '../helpers/types';
|
||||
|
||||
const {expect} = require('chai');
|
||||
|
||||
makeSuite('LendingPool liquidation - liquidator receiving aToken', (testEnv) => {
|
||||
const {
|
||||
HF_IS_NOT_BELLOW_THRESHOLD,
|
||||
INVALID_HF,
|
||||
USER_DID_NOT_BORROW_SPECIFIED,
|
||||
INVALID_COLLATERAL_TO_LIQUIDATE,
|
||||
} = ProtocolErrors;
|
||||
|
||||
it('LIQUIDATION - Deposits ETH, borrows DAI/Check liquidation fails because health factor is above 1', async () => {
|
||||
const {dai, users, core, pool, oracle} = testEnv;
|
||||
const depositor = users[0];
|
||||
const borrower = users[1];
|
||||
|
||||
//mints DAI to depositor
|
||||
await dai.connect(depositor.signer).mint(await convertToCurrencyDecimals(dai.address, '1000'));
|
||||
|
||||
//approve protocol to access depositor wallet
|
||||
await dai.connect(depositor.signer).approve(core.address, APPROVAL_AMOUNT_LENDING_POOL_CORE);
|
||||
|
||||
//user 1 deposits 1000 DAI
|
||||
const amountDAItoDeposit = await convertToCurrencyDecimals(dai.address, '1000');
|
||||
await pool.connect(depositor.signer).deposit(dai.address, amountDAItoDeposit, '0');
|
||||
|
||||
//user 2 deposits 1 ETH
|
||||
const amountETHtoDeposit = await convertToCurrencyDecimals(MOCK_ETH_ADDRESS, '1');
|
||||
await pool
|
||||
.connect(borrower.signer)
|
||||
.deposit(MOCK_ETH_ADDRESS, amountETHtoDeposit, '0', {value: amountETHtoDeposit});
|
||||
|
||||
await pool.connect(borrower.signer).deposit(MOCK_ETH_ADDRESS, amountETHtoDeposit, '0', {
|
||||
value: amountETHtoDeposit,
|
||||
});
|
||||
|
||||
//user 2 borrows
|
||||
|
||||
const userGlobalData = await pool.getUserAccountData(borrower.address);
|
||||
const daiPrice = await oracle.getAssetPrice(dai.address);
|
||||
|
||||
const amountDAIToBorrow = await convertToCurrencyDecimals(
|
||||
dai.address,
|
||||
new BigNumber(userGlobalData.availableBorrowsETH.toString())
|
||||
.div(daiPrice.toString())
|
||||
.multipliedBy(0.95)
|
||||
.toFixed(0)
|
||||
);
|
||||
|
||||
await pool
|
||||
.connect(borrower.signer)
|
||||
.borrow(dai.address, amountDAIToBorrow, RateMode.Variable, '0');
|
||||
|
||||
const userGlobalDataAfter = await pool.getUserAccountData(borrower.address);
|
||||
console.log('userGlobalDataAfter.healthFactor', userGlobalDataAfter.healthFactor.toString());
|
||||
|
||||
expect(userGlobalDataAfter.currentLiquidationThreshold).to.be.bignumber.equal(
|
||||
'80',
|
||||
'Invalid liquidation threshold'
|
||||
);
|
||||
|
||||
//someone tries to liquidate user 2
|
||||
await expect(
|
||||
pool.liquidationCall(MOCK_ETH_ADDRESS, dai.address, borrower.address, 1, true)
|
||||
).to.be.revertedWith(HF_IS_NOT_BELLOW_THRESHOLD);
|
||||
});
|
||||
|
||||
it('LIQUIDATION - Drop the health factor below 1', async () => {
|
||||
const {dai, users, pool, oracle} = testEnv;
|
||||
const borrower = users[1];
|
||||
|
||||
const daiPrice = await oracle.getAssetPrice(dai.address);
|
||||
|
||||
//halving the price of ETH - means doubling the DAIETH exchange rate
|
||||
console.log('DAI price before', daiPrice.toString());
|
||||
|
||||
await oracle.setAssetPrice(
|
||||
dai.address,
|
||||
new BigNumber(daiPrice.toString()).multipliedBy(1.15).toFixed(0)
|
||||
);
|
||||
console.log('DAI price after', (await oracle.getAssetPrice(dai.address)).toString());
|
||||
|
||||
const userGlobalData = await pool.getUserAccountData(borrower.address);
|
||||
|
||||
expect(userGlobalData.healthFactor).to.be.bignumber.lt(oneEther.toFixed(0), INVALID_HF);
|
||||
});
|
||||
|
||||
it('LIQUIDATION - Tries to liquidate a different currency than the loan principal', async () => {
|
||||
const {pool, users} = testEnv;
|
||||
const borrower = users[1];
|
||||
//user 2 tries to borrow
|
||||
await expect(
|
||||
pool.liquidationCall(
|
||||
MOCK_ETH_ADDRESS,
|
||||
MOCK_ETH_ADDRESS,
|
||||
borrower.address,
|
||||
oneEther.toString(),
|
||||
true
|
||||
)
|
||||
).revertedWith(USER_DID_NOT_BORROW_SPECIFIED);
|
||||
});
|
||||
|
||||
it(
|
||||
'LIQUIDATION - Tries to liquidate a different ' + 'collateral than the borrower collateral',
|
||||
async () => {
|
||||
const {pool, dai, users} = testEnv;
|
||||
const borrower = users[1];
|
||||
|
||||
await expect(
|
||||
pool.liquidationCall(dai.address, dai.address, borrower.address, oneEther.toString(), true)
|
||||
).revertedWith(INVALID_COLLATERAL_TO_LIQUIDATE);
|
||||
}
|
||||
);
|
||||
|
||||
it('LIQUIDATION - Liquidates the borrow', async () => {
|
||||
const {pool, dai, core, users, addressesProvider, oracle} = testEnv;
|
||||
const borrower = users[1];
|
||||
|
||||
//mints dai to the caller
|
||||
|
||||
await dai.mint(await convertToCurrencyDecimals(dai.address, '1000'));
|
||||
|
||||
//approve protocol to access depositor wallet
|
||||
await dai.approve(core.address, APPROVAL_AMOUNT_LENDING_POOL_CORE);
|
||||
|
||||
const userReserveDataBefore = await pool.getUserReserveData(dai.address, borrower.address);
|
||||
|
||||
const daiReserveDataBefore = await pool.getReserveData(dai.address);
|
||||
const ethReserveDataBefore = await pool.getReserveData(MOCK_ETH_ADDRESS);
|
||||
|
||||
const amountToLiquidate = new BigNumber(userReserveDataBefore.currentBorrowBalance.toString())
|
||||
.div(2)
|
||||
.toFixed(0);
|
||||
|
||||
await pool.liquidationCall(
|
||||
MOCK_ETH_ADDRESS,
|
||||
dai.address,
|
||||
borrower.address,
|
||||
amountToLiquidate,
|
||||
true
|
||||
);
|
||||
|
||||
const userReserveDataAfter = await pool.getUserReserveData(dai.address, borrower.address);
|
||||
|
||||
const userGlobalDataAfter = await pool.getUserAccountData(borrower.address);
|
||||
|
||||
const daiReserveDataAfter = await pool.getReserveData(dai.address);
|
||||
const ethReserveDataAfter = await pool.getReserveData(MOCK_ETH_ADDRESS);
|
||||
|
||||
const feeAddress = await addressesProvider.getTokenDistributor();
|
||||
|
||||
const feeAddressBalance = await BRE.ethers.provider.getBalance(feeAddress);
|
||||
|
||||
const collateralPrice = (await oracle.getAssetPrice(MOCK_ETH_ADDRESS)).toString();
|
||||
const principalPrice = (await oracle.getAssetPrice(dai.address)).toString();
|
||||
|
||||
const collateralDecimals = (await core.getReserveDecimals(MOCK_ETH_ADDRESS)).toString();
|
||||
const principalDecimals = (await core.getReserveDecimals(dai.address)).toString();
|
||||
|
||||
const expectedCollateralLiquidated = new BigNumber(principalPrice)
|
||||
.times(new BigNumber(amountToLiquidate).times(105))
|
||||
.times(new BigNumber(10).pow(collateralDecimals))
|
||||
.div(new BigNumber(collateralPrice).times(new BigNumber(10).pow(principalDecimals)))
|
||||
.decimalPlaces(0, BigNumber.ROUND_DOWN);
|
||||
|
||||
const expectedFeeLiquidated = new BigNumber(principalPrice)
|
||||
.times(new BigNumber(userReserveDataBefore.originationFee.toString()).times(105))
|
||||
.times(new BigNumber(10).pow(collateralDecimals))
|
||||
.div(new BigNumber(collateralPrice).times(new BigNumber(10).pow(principalDecimals)))
|
||||
.div(100)
|
||||
.decimalPlaces(0, BigNumber.ROUND_DOWN);
|
||||
|
||||
expect(userGlobalDataAfter.healthFactor).to.be.bignumber.gt(
|
||||
oneEther.toFixed(0),
|
||||
'Invalid health factor'
|
||||
);
|
||||
|
||||
expect(userReserveDataAfter.originationFee).to.be.bignumber.eq(
|
||||
'0',
|
||||
'Origination fee should be repaid'
|
||||
);
|
||||
|
||||
expect(feeAddressBalance).to.be.bignumber.gt('0');
|
||||
|
||||
expect(userReserveDataAfter.principalBorrowBalance).to.be.bignumber.almostEqual(
|
||||
new BigNumber(userReserveDataBefore.currentBorrowBalance.toString())
|
||||
.minus(amountToLiquidate)
|
||||
.toFixed(0),
|
||||
'Invalid user borrow balance after liquidation'
|
||||
);
|
||||
|
||||
expect(daiReserveDataAfter.availableLiquidity).to.be.bignumber.almostEqual(
|
||||
new BigNumber(daiReserveDataBefore.availableLiquidity.toString())
|
||||
.plus(amountToLiquidate)
|
||||
.toFixed(0),
|
||||
'Invalid principal available liquidity'
|
||||
);
|
||||
|
||||
expect(ethReserveDataAfter.availableLiquidity).to.be.bignumber.almostEqual(
|
||||
new BigNumber(ethReserveDataBefore.availableLiquidity.toString())
|
||||
.minus(expectedFeeLiquidated)
|
||||
.toFixed(0),
|
||||
'Invalid collateral available liquidity'
|
||||
);
|
||||
});
|
||||
|
||||
it(
|
||||
'User 3 deposits 1000 USDC, user 4 1 ETH,' +
|
||||
' user 4 borrows - drops HF, liquidates the borrow',
|
||||
async () => {
|
||||
const {users, core, pool, usdc, oracle, addressesProvider} = testEnv;
|
||||
const depositor = users[3];
|
||||
const borrower = users[4];
|
||||
//mints USDC to depositor
|
||||
await usdc
|
||||
.connect(depositor.signer)
|
||||
.mint(await convertToCurrencyDecimals(usdc.address, '1000'));
|
||||
|
||||
//approve protocol to access depositor wallet
|
||||
await usdc.connect(depositor.signer).approve(core.address, APPROVAL_AMOUNT_LENDING_POOL_CORE);
|
||||
|
||||
//user 3 deposits 1000 USDC
|
||||
const amountUSDCtoDeposit = await convertToCurrencyDecimals(usdc.address, '1000');
|
||||
|
||||
await pool.connect(depositor.signer).deposit(usdc.address, amountUSDCtoDeposit, '0');
|
||||
|
||||
//user 4 deposits 1 ETH
|
||||
const amountETHtoDeposit = await convertToCurrencyDecimals(MOCK_ETH_ADDRESS, '1');
|
||||
|
||||
await pool.connect(borrower.signer).deposit(MOCK_ETH_ADDRESS, amountETHtoDeposit, '0', {
|
||||
value: amountETHtoDeposit,
|
||||
});
|
||||
|
||||
//user 4 borrows
|
||||
const userGlobalData = await pool.getUserAccountData(borrower.address);
|
||||
|
||||
const usdcPrice = await oracle.getAssetPrice(usdc.address);
|
||||
|
||||
const amountUSDCToBorrow = await convertToCurrencyDecimals(
|
||||
usdc.address,
|
||||
new BigNumber(userGlobalData.availableBorrowsETH.toString())
|
||||
.div(usdcPrice.toString())
|
||||
.multipliedBy(0.95)
|
||||
.toFixed(0)
|
||||
);
|
||||
|
||||
await pool
|
||||
.connect(borrower.signer)
|
||||
.borrow(usdc.address, amountUSDCToBorrow, RateMode.Stable, '0');
|
||||
|
||||
//drops HF below 1
|
||||
|
||||
await oracle.setAssetPrice(
|
||||
usdc.address,
|
||||
new BigNumber(usdcPrice.toString()).multipliedBy(1.2).toFixed(0)
|
||||
);
|
||||
|
||||
//mints dai to the liquidator
|
||||
|
||||
await usdc.mint(await convertToCurrencyDecimals(usdc.address, '1000'));
|
||||
|
||||
//approve protocol to access depositor wallet
|
||||
await usdc.approve(core.address, APPROVAL_AMOUNT_LENDING_POOL_CORE);
|
||||
|
||||
const userReserveDataBefore = await pool.getUserReserveData(usdc.address, borrower.address);
|
||||
|
||||
const usdcReserveDataBefore = await pool.getReserveData(usdc.address);
|
||||
const ethReserveDataBefore = await pool.getReserveData(MOCK_ETH_ADDRESS);
|
||||
|
||||
const amountToLiquidate = new BigNumber(userReserveDataBefore.currentBorrowBalance.toString())
|
||||
.div(2)
|
||||
.toFixed(0);
|
||||
|
||||
await pool.liquidationCall(
|
||||
MOCK_ETH_ADDRESS,
|
||||
usdc.address,
|
||||
borrower.address,
|
||||
amountToLiquidate,
|
||||
true
|
||||
);
|
||||
|
||||
const userReserveDataAfter = await pool.getUserReserveData(usdc.address, borrower.address);
|
||||
|
||||
const userGlobalDataAfter = await pool.getUserAccountData(borrower.address);
|
||||
|
||||
const usdcReserveDataAfter = await pool.getReserveData(usdc.address);
|
||||
const ethReserveDataAfter = await pool.getReserveData(MOCK_ETH_ADDRESS);
|
||||
|
||||
const feeAddress = await addressesProvider.getTokenDistributor();
|
||||
|
||||
const feeAddressBalance = await BRE.ethers.provider.getBalance(feeAddress);
|
||||
|
||||
const collateralPrice = (await oracle.getAssetPrice(MOCK_ETH_ADDRESS)).toString();
|
||||
const principalPrice = (await oracle.getAssetPrice(usdc.address)).toString();
|
||||
|
||||
const collateralDecimals = (await core.getReserveDecimals(MOCK_ETH_ADDRESS)).toString();
|
||||
const principalDecimals = (await core.getReserveDecimals(usdc.address)).toString();
|
||||
|
||||
const expectedCollateralLiquidated = new BigNumber(principalPrice)
|
||||
.times(new BigNumber(amountToLiquidate).times(105))
|
||||
.times(new BigNumber(10).pow(collateralDecimals))
|
||||
.div(new BigNumber(collateralPrice).times(new BigNumber(10).pow(principalDecimals)))
|
||||
.decimalPlaces(0, BigNumber.ROUND_DOWN);
|
||||
|
||||
const expectedFeeLiquidated = new BigNumber(principalPrice)
|
||||
.times(new BigNumber(userReserveDataBefore.originationFee.toString()).times(105))
|
||||
.times(new BigNumber(10).pow(collateralDecimals))
|
||||
.div(new BigNumber(collateralPrice).times(new BigNumber(10).pow(principalDecimals)))
|
||||
.div(100)
|
||||
.decimalPlaces(0, BigNumber.ROUND_DOWN);
|
||||
|
||||
expect(userGlobalDataAfter.healthFactor).to.be.bignumber.gt(
|
||||
oneEther.toFixed(0),
|
||||
'Invalid health factor'
|
||||
);
|
||||
|
||||
expect(userReserveDataAfter.originationFee).to.be.bignumber.eq(
|
||||
'0',
|
||||
'Origination fee should be repaid'
|
||||
);
|
||||
|
||||
expect(feeAddressBalance).to.be.bignumber.gt('0');
|
||||
|
||||
expect(userReserveDataAfter.principalBorrowBalance).to.be.bignumber.almostEqual(
|
||||
new BigNumber(userReserveDataBefore.currentBorrowBalance.toString())
|
||||
.minus(amountToLiquidate)
|
||||
.toFixed(0),
|
||||
'Invalid user borrow balance after liquidation'
|
||||
);
|
||||
|
||||
expect(usdcReserveDataAfter.availableLiquidity).to.be.bignumber.almostEqual(
|
||||
new BigNumber(usdcReserveDataBefore.availableLiquidity.toString())
|
||||
.plus(amountToLiquidate)
|
||||
.toFixed(0),
|
||||
'Invalid principal available liquidity'
|
||||
);
|
||||
|
||||
expect(ethReserveDataAfter.availableLiquidity).to.be.bignumber.almostEqual(
|
||||
new BigNumber(ethReserveDataBefore.availableLiquidity.toString())
|
||||
.minus(expectedFeeLiquidated)
|
||||
.toFixed(0),
|
||||
'Invalid collateral available liquidity'
|
||||
);
|
||||
}
|
||||
);
|
||||
});
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user