mirror of
https://github.com/logos-co/nomos-specs.git
synced 2025-02-09 22:14:46 +00:00
67 lines
2.3 KiB
Python
67 lines
2.3 KiB
Python
import asyncio
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import random
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import time
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from mixnet.config import GlobalConfig, MixMembership, NodeInfo
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from mixnet.node import Node
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from mixnet.sim.config import Config
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from mixnet.sim.connection import MeteredRemoteSimplexConnection
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from mixnet.sim.stats import ConnectionStats
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class Simulation:
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def __init__(self, config: Config):
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random.seed()
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self.config = config
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async def run(self):
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nodes, conn_measurement = self.init_nodes()
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deadline = time.time() + self.config.simulation.scaled_duration()
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tasks: list[asyncio.Task] = []
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for node in nodes:
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tasks.append(asyncio.create_task(self.run_logic(node, deadline)))
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await asyncio.gather(*tasks)
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conn_measurement.bandwidths()
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def init_nodes(self) -> tuple[list[Node], ConnectionStats]:
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node_configs = self.config.mixnet.node_configs()
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global_config = GlobalConfig(
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MixMembership(
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[
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NodeInfo(node_config.private_key.public_key())
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for node_config in node_configs
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]
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),
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self.config.simulation.scale_rate(
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self.config.mixnet.transmission_rate_per_sec
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),
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self.config.mixnet.max_mix_path_length,
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)
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nodes = [Node(node_config, global_config) for node_config in node_configs]
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conn_stats = ConnectionStats()
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for i, node in enumerate(nodes):
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inbound_conn, outbound_conn = self.create_conn(), self.create_conn()
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peer = nodes[(i + 1) % len(nodes)]
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node.connect(peer, inbound_conn, outbound_conn)
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conn_stats.register(node, inbound_conn, outbound_conn)
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conn_stats.register(peer, outbound_conn, inbound_conn)
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return nodes, conn_stats
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def create_conn(self) -> MeteredRemoteSimplexConnection:
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return MeteredRemoteSimplexConnection(self.config.simulation)
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async def run_logic(self, node: Node, deadline: float):
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while time.time() < deadline:
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await asyncio.sleep(
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self.config.simulation.scale_time(
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self.config.logic.lottery_interval_sec
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)
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)
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if random.random() < self.config.logic.sender_prob:
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await node.send_message(b"selected block")
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