PyBitmessage-2021-04-27/src/helper_bootstrap.py

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import shared
import socket
import defaultKnownNodes
import pickle
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import time
def knownNodes():
try:
# We shouldn't have to use the shared.knownNodesLock because this had
# better be the only thread accessing knownNodes right now.
pickleFile = open(shared.appdata + 'knownnodes.dat', 'rb')
shared.knownNodes = pickle.load(pickleFile)
pickleFile.close()
except:
defaultKnownNodes.createDefaultKnownNodes(shared.appdata)
pickleFile = open(shared.appdata + 'knownnodes.dat', 'rb')
shared.knownNodes = pickle.load(pickleFile)
pickleFile.close()
if shared.config.getint('bitmessagesettings', 'settingsversion') > 6:
print 'Bitmessage cannot read future versions of the keys file (keys.dat). Run the newer version of Bitmessage.'
raise SystemExit
def dns():
# DNS bootstrap. This could be programmed to use the SOCKS proxy to do the
# DNS lookup some day but for now we will just rely on the entries in
# defaultKnownNodes.py. Hopefully either they are up to date or the user
# has run Bitmessage recently without SOCKS turned on and received good
# bootstrap nodes using that method.
if shared.config.get('bitmessagesettings', 'socksproxytype') == 'none':
try:
for item in socket.getaddrinfo('bootstrap8080.bitmessage.org', 80):
print 'Adding', item[4][0], 'to knownNodes based on DNS boostrap method'
shared.knownNodes[1][item[4][0]] = (8080, int(time.time()))
except:
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print 'bootstrap8080.bitmessage.org DNS bootstrapping failed.'
try:
for item in socket.getaddrinfo('bootstrap8444.bitmessage.org', 80):
print 'Adding', item[4][0], 'to knownNodes based on DNS boostrap method'
shared.knownNodes[1][item[4][0]] = (8444, int(time.time()))
except:
print 'bootstrap8444.bitmessage.org DNS bootstrapping failed.'
else:
print 'DNS bootstrap skipped because SOCKS is used.'