Thank you for this project. Setting up a node is very easy.
just one undocumented change: in the .env file we need now to enter a custom
INDEXER_AGENT_NETWORK_SUBGRAPH_ENDPOINT
As described here
https://github.com/graphprotocol/indexer/blob/main/docs/networks/arbitrum-one.md
this needs an api key from
https://thegraph.com/studio/apikeys/