Hosted RPC (recommended to start)
Replace<PROJECT_ID> with your Infura project ID.
Self-hosted node
See Offchain Labs docs. Then:Supported networks
- Arbitrum One (production):
-network arbitrum-one-mainnet -ethUrl <RPC_URL> - Private / offchain: See CLI flags for
-networkand-ethController.
Use a stable RPC; flaky endpoints can cause missed reward calls.