def __init__(
self,
key_pair: KeyPair,
peer_id: PeerID,
peer_updater: PeerUpdater,
status_provider: StatusProvider,
finalized_root_provider: Callable[[Epoch], Root],
block_provider_by_slot: BlockProviderBySlot,
block_provider_by_root: BlockProviderByRoot,
metadata_provider: MetadataProvider,
fork_digest_provider: ForkDigestProvider,
eth2_config: Eth2Config,
) -> None:
peer_store = PeerStore()
peer_store.add_key_pair(peer_id, key_pair)
muxer_transports_by_protocol = {MPLEX_PROTOCOL_ID: Mplex}
noise_key = ed25519.create_new_key_pair()
security_transports_by_protocol = {
TProtocol(secio.ID):
secio.Transport(key_pair),
TProtocol(noise.PROTOCOL_ID):
noise.Transport(key_pair, noise_key.private_key)
}
upgrader = TransportUpgrader(security_transports_by_protocol,
muxer_transports_by_protocol)
transport = TCP()
swarm = Swarm(peer_id, peer_store, upgrader, transport)
BasicHost.__init__(self, swarm)
self._peer_updater = peer_updater
self._status_provider = status_provider
self._finalized_root_provider_by_epoch = finalized_root_provider
self._block_provider_by_slot = block_provider_by_slot
self._block_provider_by_root = block_provider_by_root
self._metadata_provider = metadata_provider
self._request_responder = RequestResponder(
self._peer_updater,
self._status_provider,
self._block_provider_by_slot,
self._block_provider_by_root,
self._metadata_provider,
)
self._install_req_resp_protocols()
self._gossiper = Gossiper(fork_digest_provider, self)
self._peers: Set[PeerID] = set()
def initialize_peerstore_with_our_keypair(self_id: ID,
key_pair: KeyPair) -> PeerStore:
peer_store = PeerStore()
peer_store.add_key_pair(self_id, key_pair)
return peer_store