mirror of
https://github.com/logos-co/nomos-simulations.git
synced 2025-02-05 07:13:52 +00:00
43 lines
945 B
Python
43 lines
945 B
Python
import pickle
|
|
from dataclasses import dataclass
|
|
from typing import Self
|
|
|
|
|
|
@dataclass
|
|
class Message:
|
|
"""
|
|
A message structure for simulation, which will be sent through mix nodes
|
|
and eventually broadcasted to all nodes in the network.
|
|
|
|
The `id` must ensure the uniqueness of the message.
|
|
"""
|
|
|
|
created_at: float
|
|
id: int
|
|
body: bytes
|
|
|
|
def __bytes__(self):
|
|
return pickle.dumps(self)
|
|
|
|
@classmethod
|
|
def from_bytes(cls, data: bytes) -> Self:
|
|
return pickle.loads(data)
|
|
|
|
def __hash__(self) -> int:
|
|
return self.id
|
|
|
|
|
|
class UniqueMessageBuilder:
|
|
"""
|
|
Builds a unique message with an incremental ID,
|
|
assuming that the simulation is run in a single thread.
|
|
"""
|
|
|
|
def __init__(self):
|
|
self.next_id = 0
|
|
|
|
def next(self, created_at: float, body: bytes) -> Message:
|
|
msg = Message(created_at, self.next_id, body)
|
|
self.next_id += 1
|
|
return msg
|