57 lines
1.7 KiB
Python
57 lines
1.7 KiB
Python
from abc import ABC, abstractmethod
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from typing import (
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List,
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Sequence,
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)
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from multiaddr import Multiaddr
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from .id import ID
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class IAddrBook(ABC):
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def __init__(self) -> None:
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pass
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@abstractmethod
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def add_addr(self, peer_id: ID, addr: Multiaddr, ttl: int) -> None:
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"""
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Calls add_addrs(peer_id, [addr], ttl)
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:param peer_id: the peer to add address for
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:param addr: multiaddress of the peer
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:param ttl: time-to-live for the address (after this time, address is no longer valid)
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"""
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@abstractmethod
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def add_addrs(self, peer_id: ID, addrs: Sequence[Multiaddr], ttl: int) -> None:
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"""
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Adds addresses for a given peer all with the same time-to-live. If one of the
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addresses already exists for the peer and has a longer TTL, no operation should take place.
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If one of the addresses exists with a shorter TTL, extend the TTL to equal param ttl.
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:param peer_id: the peer to add address for
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:param addr: multiaddresses of the peer
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:param ttl: time-to-live for the address (after this time, address is no longer valid
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"""
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@abstractmethod
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def addrs(self, peer_id: ID) -> List[Multiaddr]:
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"""
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:param peer_id: peer to get addresses of
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:return: all known (and valid) addresses for the given peer
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"""
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@abstractmethod
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def clear_addrs(self, peer_id: ID) -> None:
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"""
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Removes all previously stored addresses
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:param peer_id: peer to remove addresses of
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"""
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@abstractmethod
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def peers_with_addrs(self) -> List[ID]:
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"""
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:return: all of the peer IDs stored with addresses
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"""
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