aave-interfaces/aave-interfaces.test.js

Interfaces for Aave contracts

// aave-interfaces.test.js

const { expect } = require('chai');
const { ethers } = require('hardhat');

const { getAaveRate, borrow, repay, getBalance, calculateProfit, getPrice } = require('./index.js'); 


// Mock Aave Contracts and Uniswap Router
jest.mock('./ILendingPool.sol', () => ({
  default: {
    deposit: jest.fn(),
    withdraw: jest.fn(),
    flashLoan: jest.fn(), 
    getRate: jest.fn(() => Promise.resolve(1.05)), // 模拟获取利率
    setRate: jest.fn(), // 模拟设置利率
    setBorrowResult: jest.fn(),
    setRepayResult: jest.fn(),
    setBalance: jest.fn(),
    setFlashLoanResult: jest.fn()
  }
}));

jest.mock('./IPriceFeed.sol', () => ({
  default: {
    latestRoundData: jest.fn(() => Promise.resolve([0, 100, 0, 0, 0])) // 模拟获取价格
  }
}));

jest.mock('./ILendingPoolAddressesProvider.sol', () => ({
  default: {
    getLendingPool: jest.fn(() => Promise.resolve('0x1234567890123456789012345678901234567890')) // 模拟获取 LendingPool 地址
  }
}));

jest.mock('@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router02.sol', () => ({
  default: {
    swapExactTokensForTokens: jest.fn(() => Promise.resolve([[0, 100]])) // 模拟交换
  }
}));
// Mock Data
const mockBorrowAmount = ethers.utils.parseUnits("100", 18); // Mock borrow amount
const mockRepayAmount = ethers.utils.parseUnits("50", 18); // Mock repay amount
const mockBaseTokenPrice = ethers.utils.parseUnits("100", 18); // Mock price of base token
const mockQuoteTokenPrice = ethers.utils.parseUnits("200", 18); // Mock price of quote token
const mockMinAmountOut1 = ethers.utils.parseUnits("90", 18); // Mock minimum amount out for the first swap
const mockMinAmountOut2 = ethers.utils.parseUnits("80", 18); // Mock minimum amount out for the second swap

describe('Aave Interfaces', function () {
  let aaveUniswapArbitrage;

  beforeEach(async function () {
    // Deploy AaveUniswapArbitrage contract
    const AaveUniswapArbitrage = await ethers.getContractFactory("AaveUniswapArbitrage");
    aaveUniswapArbitrage = await AaveUniswapArbitrage.deploy(
      '0x1234567890123456789012345678901234567891', // Mock router1 address
      '0x1234567890123456789012345678901234567892', // Mock router2 address
      '0x1234567890123456789012345678901234567893', // Mock provider address
      100, // Timelock duration (seconds)
      5, // Maximum loss percentage
      '0x1234567890123456789012345678901234567894', // Mock priceFeed address
      10 // Minimum profit percentage
    );
  });

  it('should get the current interest rate correctly', async function () {
    const rate = await getAaveRate();
    expect(rate).to.be.equal(1.05);
  });

  it('should borrow successfully', async function () {
    // Mock borrow function
    const ILendingPool = require('./ILendingPool.sol');
    ILendingPool.default.setBorrowResult(true);

    // Borrow tokens
    const result = await borrow(mockBorrowAmount);

    // Check result
    expect(result).to.be.true;
  });

  it('should repay successfully', async function () {
    // Mock repay function
    const ILendingPool = require('./ILendingPool.sol');
    ILendingPool.default.setRepayResult(true);

    // Repay tokens
    const result = await repay(mockRepayAmount);

    // Check result
    expect(result).to.be.true;
  });

  it('should get the account balance correctly', async function () {
    // Mock getBalance function
    const ILendingPool = require('./ILendingPool.sol');
    ILendingPool.default.setBalance(mockBorrowAmount); 

    // Get account balance
    const balance = await getBalance();

    // Check balance
    expect(balance).to.be.equal(mockBorrowAmount);
  });

  it('should calculate the profit correctly', async function () {
    const expectedProfit = await calculateProfit(
      // Replace with actual token addresses
      '0x0000000000000000000000000000000000000001', 
      '0x0000000000000000000000000000000000000002', 
      mockBorrowAmount,
      mockMinAmountOut1,
      mockMinAmountOut2
    );

    expect(expectedProfit).to.be.greaterThan(0); // Check if profit is positive
  });

  it('should get the price correctly', async function () {
    const price = await getPrice('0x0000000000000000000000000000000000000001'); // Replace with actual token address

    expect(price).to.be.equal(mockBaseTokenPrice);
  });

  it('should execute flash loan arbitrage successfully', async function () {
    // Mock swap functions
    const IUniswapV2Router02 = require('@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router02.sol');
    IUniswapV2Router02.default.setSwapResult(true, mockMinAmountOut1);
    IUniswapV2Router02.default.setSwapResult(true, mockMinAmountOut2);

    // Mock lending pool flashloan function
    const ILendingPool = require('./ILendingPool.sol');
    ILendingPool.default.setFlashLoanResult(true);

    // Execute flash loan arbitrage
    const result = await aaveUniswapArbitrage.executeFlashLoanArbitrage(
      ['0x0000000000000000000000000000000000000001'], // Replace with actual token address
      [mockBorrowAmount],
      [0], // No debt mode
      '0x0000000000000000000000000000000000000001', // Replace with actual token address
      '0x0000000000000000000000000000000000000002', // Replace with actual token address
      mockMinAmountOut1,
      mockMinAmountOut2
    );

    expect(result).to.be.true; // Check if arbitrage executed successfully
  });

  // Add more tests to cover different scenarios
});