Function cumulus_test_service::run_relay_chain_validator_node

pub fn run_relay_chain_validator_node(
    tokio_handle: Handle,
    key: Sr25519Keyring,
    storage_update_func: impl Fn(),
    boot_nodes: Vec<MultiaddrWithPeerId>,
    port: Option<u16>,
) -> PolkadotTestNode

Run a relay-chain validator node.

This is essentially a wrapper around run_validator_node.