Optional<Integer> jsonRpcListenPort() {
    if (isJsonRpcEnabled()) {
      return Optional.of(jsonRpcConfiguration().getPort());
    } else {
      return Optional.empty();
    }
  }
All future JSON-RPC calls will include the authentication token.
acceptance-tests/dsl/src/main/java/org/hyperledger/besu/tests/acceptance/dsl/node/BesuNode.java