mirror of
https://github.com/aljazceru/python-teos.git
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88 lines
3.1 KiB
Python
88 lines
3.1 KiB
Python
from getopt import getopt
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from sys import argv, exit
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from signal import signal, SIGINT, SIGQUIT, SIGTERM
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from pisa.conf import DB_PATH
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from common.logger import Logger
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from pisa.api import start_api
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from pisa.watcher import Watcher
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from pisa.builder import Builder
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from pisa.conf import BTC_NETWORK, PISA_SECRET_KEY
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from pisa.responder import Responder
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from pisa.db_manager import DBManager
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from pisa.block_processor import BlockProcessor
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from pisa.tools import can_connect_to_bitcoind, in_correct_network
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logger = Logger("Daemon")
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def handle_signals(signal_received, frame):
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logger.info("Closing connection with appointments db")
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db_manager.db.close()
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logger.info("Shutting down PISA")
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exit(0)
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if __name__ == "__main__":
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logger.info("Starting PISA")
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signal(SIGINT, handle_signals)
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signal(SIGTERM, handle_signals)
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signal(SIGQUIT, handle_signals)
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opts, _ = getopt(argv[1:], "", [""])
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for opt, arg in opts:
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# FIXME: Leaving this here for future option/arguments
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pass
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if not can_connect_to_bitcoind():
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logger.error("Can't connect to bitcoind. Shutting down")
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elif not in_correct_network(BTC_NETWORK):
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logger.error("bitcoind is running on a different network, check conf.py and bitcoin.conf. Shutting down")
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else:
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try:
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db_manager = DBManager(DB_PATH)
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watcher_appointments_data = db_manager.load_watcher_appointments()
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responder_trackers_data = db_manager.load_responder_trackers()
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with open(PISA_SECRET_KEY, "rb") as key_file:
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secret_key_der = key_file.read()
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watcher = Watcher(db_manager, secret_key_der)
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if len(watcher_appointments_data) == 0 and len(responder_trackers_data) == 0:
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logger.info("Fresh bootstrap")
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else:
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logger.info("Bootstrapping from backed up data")
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block_processor = BlockProcessor()
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last_block_watcher = db_manager.load_last_block_hash_watcher()
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last_block_responder = db_manager.load_last_block_hash_responder()
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missed_blocks_watcher = block_processor.get_missed_blocks(last_block_watcher)
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missed_blocks_responder = (
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missed_blocks_watcher
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if last_block_watcher == last_block_responder
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else block_processor.get_missed_blocks(last_block_responder)
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)
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responder = Responder(db_manager)
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responder.trackers, responder.tx_tracker_map = Builder.build_trackers(responder_trackers_data)
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responder.block_queue = Builder.build_block_queue(missed_blocks_responder)
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watcher.responder = responder
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watcher.appointments, watcher.locator_uuid_map = Builder.build_appointments(watcher_appointments_data)
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watcher.block_queue = Builder.build_block_queue(missed_blocks_watcher)
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# Create an instance of the Watcher and fire the API
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start_api(watcher)
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except Exception as e:
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logger.error("An error occurred: {}. Shutting down".format(e))
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exit(1)
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