Lender Groups Substreams

• use map-events

-- Uniswap Example https://github.com/streamingfast/substreams-uniswap-v3/blob/develop/src/rpc.rs

Adding a new custom output type

Add it to contract proto ?

Building

run proto gen (to output RUST )

substreams protogen 

Create a substreams spkg

substreams pack ./substreams.yaml