24 lines
828 B
Python
24 lines
828 B
Python
from libp2p.kademlia.network import KademliaServer
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from libp2p.peer.id import ID
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from libp2p.peer.peerinfo import PeerInfo
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from libp2p.routing.interfaces import IPeerRouting
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class KadmeliaPeerRouter(IPeerRouting):
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server: KademliaServer
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def __init__(self, dht_server: KademliaServer) -> None:
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self.server = dht_server
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async def find_peer(self, peer_id: ID) -> PeerInfo:
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"""
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Find a specific peer
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:param peer_id: peer to search for
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:return: PeerInfo of specified peer
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"""
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# switching peer_id to xor_id used by kademlia as node_id
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xor_id = peer_id.xor_id
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# ignore type for kad
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value = await self.server.get(xor_id) # type: ignore
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return PeerInfo.info_from_string(value) if value else None # TODO: should raise error if None?
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