use beacon_chain::{ test_utils::{BeaconChainHarness, EphemeralHarnessType}, BeaconChain, BeaconChainTypes, }; use eth2::{BeaconNodeHttpClient, Timeouts}; use http_api::{Config, Context}; use lighthouse_network::{ discv5::enr::{CombinedKey, EnrBuilder}, libp2p::{core::connection::ConnectionId, swarm::NetworkBehaviour}, rpc::methods::{MetaData, MetaDataV2}, types::{EnrAttestationBitfield, EnrSyncCommitteeBitfield, SyncState}, ConnectedPoint, Enr, NetworkGlobals, PeerId, PeerManager, }; use network::{NetworkReceivers, NetworkSenders}; use sensitive_url::SensitiveUrl; use slog::Logger; use std::future::Future; use std::net::{IpAddr, Ipv4Addr, SocketAddr}; use std::sync::Arc; use std::time::Duration; use tokio::sync::oneshot; use types::{ChainSpec, EthSpec}; pub const TCP_PORT: u16 = 42; pub const UDP_PORT: u16 = 42; pub const SEQ_NUMBER: u64 = 0; pub const EXTERNAL_ADDR: &str = "/ip4/0.0.0.0/tcp/9000"; /// HTTP API tester that allows interaction with the underlying beacon chain harness. pub struct InteractiveTester { pub harness: BeaconChainHarness>, pub client: BeaconNodeHttpClient, pub network_rx: NetworkReceivers, _server_shutdown: oneshot::Sender<()>, } /// The result of calling `create_api_server`. /// /// Glue-type between `tests::ApiTester` and `InteractiveTester`. pub struct ApiServer> { pub server: SFut, pub listening_socket: SocketAddr, pub shutdown_tx: oneshot::Sender<()>, pub network_rx: NetworkReceivers, pub local_enr: Enr, pub external_peer_id: PeerId, } impl InteractiveTester { pub async fn new(spec: Option, validator_count: usize) -> Self { let harness = BeaconChainHarness::builder(E::default()) .spec_or_default(spec) .deterministic_keypairs(validator_count) .fresh_ephemeral_store() .build(); let ApiServer { server, listening_socket, shutdown_tx: _server_shutdown, network_rx, .. } = create_api_server(harness.chain.clone(), harness.logger().clone()).await; tokio::spawn(server); let client = BeaconNodeHttpClient::new( SensitiveUrl::parse(&format!( "http://{}:{}", listening_socket.ip(), listening_socket.port() )) .unwrap(), Timeouts::set_all(Duration::from_secs(1)), ); Self { harness, client, network_rx, _server_shutdown, } } } pub async fn create_api_server( chain: Arc>, log: Logger, ) -> ApiServer> { // Get a random unused port. let port = unused_port::unused_tcp_port().unwrap(); create_api_server_on_port(chain, log, port).await } pub async fn create_api_server_on_port( chain: Arc>, log: Logger, port: u16, ) -> ApiServer> { let (network_senders, network_receivers) = NetworkSenders::new(); // Default metadata let meta_data = MetaData::V2(MetaDataV2 { seq_number: SEQ_NUMBER, attnets: EnrAttestationBitfield::::default(), syncnets: EnrSyncCommitteeBitfield::::default(), }); let enr_key = CombinedKey::generate_secp256k1(); let enr = EnrBuilder::new("v4").build(&enr_key).unwrap(); let network_globals = Arc::new(NetworkGlobals::new( enr.clone(), TCP_PORT, UDP_PORT, meta_data, vec![], &log, )); // Only a peer manager can add peers, so we create a dummy manager. let config = lighthouse_network::peer_manager::config::Config::default(); let mut pm = PeerManager::new(config, network_globals.clone(), &log).unwrap(); // add a peer let peer_id = PeerId::random(); let connected_point = ConnectedPoint::Listener { local_addr: EXTERNAL_ADDR.parse().unwrap(), send_back_addr: EXTERNAL_ADDR.parse().unwrap(), }; let con_id = ConnectionId::new(1); pm.inject_connection_established(&peer_id, &con_id, &connected_point, None, 0); *network_globals.sync_state.write() = SyncState::Synced; let eth1_service = eth1::Service::new(eth1::Config::default(), log.clone(), chain.spec.clone()).unwrap(); let context = Arc::new(Context { config: Config { enabled: true, listen_addr: IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), listen_port: port, allow_origin: None, tls_config: None, allow_sync_stalled: false, spec_fork_name: None, }, chain: Some(chain.clone()), network_senders: Some(network_senders), network_globals: Some(network_globals), eth1_service: Some(eth1_service), log, }); let ctx = context.clone(); let (shutdown_tx, shutdown_rx) = oneshot::channel(); let server_shutdown = async { // It's not really interesting why this triggered, just that it happened. let _ = shutdown_rx.await; }; let (listening_socket, server) = http_api::serve(ctx, server_shutdown).unwrap(); ApiServer { server, listening_socket, shutdown_tx, network_rx: network_receivers, local_enr: enr, external_peer_id: peer_id, } }