amirziai · September 25, 2022 22:49 · Sep 25, 2022
diff --git a/ch_part2_dataclass_token.py b/ch_part2_dataclass_token.py
@@ -0,0 +1,18 @@
+@dataclass(frozen=True)
+class ServerToken:
+    server_id: ServerId
+    token_idx: int
+    _seed: int = SEED
+
+    @property
+    @functools.lru_cache()
+    def key(self) -> str:
+        return f"{self.node_id}-{self.token_idx}"
+
+    @property
+    @functools.lru_cache()
+    def hash_value(self) -> int:
+        return hash_mmh3(key=self.key, seed=self._seed)
+
+    def __lt__(self, other: "Node") -> bool:
+        return self.hash_value < other.hash_value