marginfi v2: mrgnlend

marginfi v2 is mrgnlend, an overcollateralized lending protocol.

It's fully open source, and the smart contract repository can be found here.

The official marginfi v2 program address on Solana mainnet-beta is MFv2hWf31Z9kbCa1snEPYctwafyhdvnV7FZnsebVacA.