Simple Flashloan Contract

This is only for test, not for production.

Main Task

Arbitrager.sol
test:

Additional Challenges

1. Modify the contract to support arbitrary token pairs.

   ✅smart contrats: AdvancedArbitrager.sol->arbitrage()
   ✅unit tests: test.js

2. Modify the contract to support multiple exchange interfaces (e.g. Uniswap V3, Balancer, 1Inch, etc.)

   Support of UniswapV3
   ✅smart contracts: AdvancedArbitrager.sol->normalArbitrageUniswapV2ToUniswapV3()
   ✅unit tests: test.js

3. Make the contract ownable and then have the contract use it's own funds for trading. Provide profit-sharing incentives to users who call the arbitrage() function.

   ✅smart contrats: AdvancedArbitrager.sol -> prfits, owner
   ✅unit tests: test.js

4. Add support for gas station network and use profits to pay for the gas costs.

   ✅smart contrats TokenPaymaster.sol, AdvancedArbitrager.sol
   ✅uint tests: install GSN env and test the integration in test-gsn.js

5. Integrate flash loans to maximize profit.

   Integrate flash swap
   ✅smart contracts: AdvancedArbitrager.sol->uniswapV2Call
   ✅unit tests: test.js

How to test

Install

yarn

Install modules

yarn install

Test without gsn

yarn test

Test with gsn

yarn hardhat-node

open anthother terminal

yarn test-gsn