cast chain

Get the symbolic name of the current chain

$ cast chain --help
Usage: cast chain [OPTIONS]

  -r, --rpc-url <URL>
          The RPC endpoint
          [env: ETH_RPC_URL=]

          Use the Flashbots RPC URL with fast mode ( This shares the transaction privately with all registered builders.

      --jwt-secret <JWT_SECRET>
          JWT Secret for the RPC endpoint.
          The JWT secret will be used to create a JWT for a RPC. For example, the following can be used to simulate a CL `engine_forkchoiceUpdated` call:
          cast rpc --jwt-secret <JWT_SECRET> engine_forkchoiceUpdatedV2 '["0x6bb38c26db65749ab6e472080a3d20a2f35776494e72016d1e339593f21c59bc", "0x6bb38c26db65749ab6e472080a3d20a2f35776494e72016d1e339593f21c59bc",
          [env: ETH_RPC_JWT_SECRET=]

  -h, --help
          Print help (see a summary with '-h')