def _get_eth1_tracker(cls, boot_info: BootInfo) -> BaseEth1PeerTracker:
if not boot_info.args.enable_experimental_eth1_peer_tracking:
return NoopEth1PeerTracker()
backend = boot_info.args.network_tracking_backend
if backend is TrackingBackend.SQLITE3:
session = cls._get_database_session(boot_info)
# TODO: correctly determine protocols and versions
protocols = ('eth', )
protocol_versions = (63, )
# TODO: get genesis_hash
return SQLiteEth1PeerTracker(
session,
network_id=boot_info.trinity_config.network_id,
protocols=protocols,
protocol_versions=protocol_versions,
)
elif backend is TrackingBackend.MEMORY:
return MemoryEth1PeerTracker()
elif backend is TrackingBackend.DO_NOT_TRACK:
return NoopEth1PeerTracker()
else:
raise Exception(f"INVARIANT: {backend}")
def setup_peer_backends(self) -> Tuple[BasePeerBackend, ...]:
if self.has_event_bus:
self.peer_tracker = EventBusEth1PeerTracker(self.get_event_bus())
else:
self.peer_tracker = NoopEth1PeerTracker()
self.subscribe(self.peer_tracker)
return super().setup_peer_backends() + (self.peer_tracker,)