Iron Bank v2

Getting started

1. Clone the repo.
2. Install foundry.

Protocol contracts

Core

• IronBank.sol - The core implementation of IB v2.
• MarketConfigurator.sol - The admin contract that configures the support markets.
• CreditLimitManager.sol - The admin contract that controls the credit limit.
• IBToken.sol - The recipt contract that represents user supply.
• DebtToken.sol - The debt contract that represents user borrow.
• PToken.sol - The pToken contract that could only be used as collateral.
• TripleSlopeRateModel.sol - The interest rate model contract that calculates the supply and borrow rate.
• PriceOracle.sol - The price oracle contract that fetches the prices from ChainLink.
• IronBankLens.sol - The lens contract that provides some useful on-chain data of IB v2.

Extensions

• TxBuilderExtension.sol - The extension contract that could help users perform multiple operations in a single transaction.
• UniswapExtension.sol - The extension contract that supports leverage, debt swap, and collateral swap.

FlashLoan

• FlashLoan.sol - The flashLoan contract that complies ERC-3156.

Usage

Compile contracts

$ forge build

Display contract size.

$ forge build --sizes

Test contracts

Extension tests are using mainnet forking. Need to export the alchemy key to environment first.

export ALCHEMY_KEY=xxxxxx

Run all the tests.

$ forge test -vvv

Run specific test.

$ forge test -vvv --match-path test/TestSupply.t.sol

Display test coverage.

$ forge coverage

Display test coverage in lcov.

$ forge coverage --report lcov
$ genhtml -o report --branch-coverage lcov.info