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replace: attributes with cache cached_property

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This commit is contained in:
Luca Vivona
2025-07-15 14:59:34 -04:00
committed by acul71
parent 62ea3bbf9a
commit 85bad2d0ae
1 changed files with 11 additions and 9 deletions
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20
libp2p/peer/id.py
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@ -3,6 +3,10 @@ import hashlib
import base58 import base58
import multihash import multihash
from functools import (
cached_property,
)
from libp2p.crypto.keys import ( from libp2p.crypto.keys import (
PublicKey, PublicKey,
) )
@ -36,25 +40,23 @@ if ENABLE_INLINING:
class ID: class ID:
_bytes: bytes _bytes: bytes
_xor_id: int | None = None
_b58_str: str | None = None
def __init__(self, peer_id_bytes: bytes) -> None: def __init__(self, peer_id_bytes: bytes) -> None:
self._bytes = peer_id_bytes self._bytes = peer_id_bytes
@property @cached_property
def xor_id(self) -> int: def xor_id(self) -> int:
if not self._xor_id: return int(sha256_digest(self._bytes).hex(), 16)
self._xor_id = int(sha256_digest(self._bytes).hex(), 16)
return self._xor_id @cached_property
def base58(self) -> str:
return base58.b58encode(self._bytes).decode()
def to_bytes(self) -> bytes: def to_bytes(self) -> bytes:
return self._bytes return self._bytes
def to_base58(self) -> str: def to_base58(self) -> str:
if not self._b58_str: return self.base58
self._b58_str = base58.b58encode(self._bytes).decode()
return self._b58_str
def __repr__(self) -> str: def __repr__(self) -> str:
return f"<libp2p.peer.id.ID ({self!s})>" return f"<libp2p.peer.id.ID ({self!s})>"