import threading from time import sleep from typing import TYPE_CHECKING, Set, Tuple if TYPE_CHECKING: from ordered_set import OrderedSet from onionrblocks import Block from queue import Queue from .peer import Peer from onionrthreads import add_onionr_thread import onionrplugins import logger from .connectpeer import connect_peer from .client import start_gossip_client from .server import gossip_server from .constants import BOOTSTRAP_ATTEMPTS from .peerset import gossip_peer_set """ Onionr uses a flavor of Dandelion++ epidemic routing The starter creates a peer set and passes it to the client and server as well as each of the plugins. The transports forward incoming requests to the gossip server When a new peer announcement is recieved an event is fired and the transport plugin that handles it will (or wont) create a new peer object by connecting to that peer When a new block is generated, it is added to a queue in raw form passed to the starter In stem phase, client uploads recieved (stem) blocks to 2 random peers. In stem phase, server disables diffusion """ def start_gossip_threads(): # Peer set is largely handled by the transport plugins # There is a unified set so gossip logic is not repeated add_onionr_thread( gossip_server, 1, 'gossip_server', initial_sleep=0.2) threading.Thread( target=start_gossip_client, daemon=True).start() onionrplugins.events.event('gossip_start', data=None, threaded=True) for _ in range(BOOTSTRAP_ATTEMPTS): onionrplugins.events.event( 'bootstrap', data={'callback': connect_peer}, threaded=False) sleep(60) if len(gossip_peer_set): return logger.error("Could not connect to any peers :(", terminal=True)