forked from LBRYCommunity/lbry-sdk
61 lines
1.7 KiB
Python
61 lines
1.7 KiB
Python
import json
|
|
import logging.handlers
|
|
import os
|
|
|
|
from twisted.internet.task import LoopingCall
|
|
from twisted.internet import reactor
|
|
from lbrynet import conf
|
|
|
|
|
|
conf.initialize_settings()
|
|
log_dir = conf.settings['data_dir']
|
|
LOG_FILENAME = os.path.join(log_dir, 'lbrynet-daemon.log')
|
|
|
|
if os.path.isfile(LOG_FILENAME):
|
|
f = open(LOG_FILENAME, 'r')
|
|
PREVIOUS_LOG = len(f.read())
|
|
f.close()
|
|
else:
|
|
PREVIOUS_LOG = 0
|
|
|
|
log = logging.getLogger(__name__)
|
|
handler = logging.handlers.RotatingFileHandler(LOG_FILENAME, maxBytes=2097152, backupCount=5)
|
|
log.addHandler(handler)
|
|
log.setLevel(logging.INFO)
|
|
|
|
|
|
class Autofetcher(object):
|
|
"""
|
|
Download name claims as they occur
|
|
"""
|
|
|
|
def __init__(self, api):
|
|
self._api = api
|
|
self._checker = LoopingCall(self._check_for_new_claims)
|
|
self.best_block = None
|
|
|
|
def start(self):
|
|
reactor.addSystemEventTrigger('before', 'shutdown', self.stop)
|
|
self._checker.start(5)
|
|
|
|
def stop(self):
|
|
log.info("Stopping autofetcher")
|
|
self._checker.stop()
|
|
|
|
def _check_for_new_claims(self):
|
|
block = self._api.get_best_blockhash()
|
|
if block != self.best_block:
|
|
log.info("Checking new block for name claims, block hash: %s" % block)
|
|
self.best_block = block
|
|
transactions = self._api.get_block({'blockhash': block})['tx']
|
|
for t in transactions:
|
|
c = self._api.get_claims_for_tx({'txid': t})
|
|
if len(c):
|
|
for i in c:
|
|
log.info("Downloading stream for claim txid: %s" % t)
|
|
self._api.get({'name': t, 'stream_info': json.loads(i['value'])})
|
|
|
|
|
|
def run(api):
|
|
fetcher = Autofetcher(api)
|
|
fetcher.start()
|