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#!/usr/bin/env python
from electrum import Interface, SimpleConfig, set_verbosity
from electrum.network import DEFAULT_SERVERS, filter_protocol
import time, Queue
from collections import defaultdict
import util, json
set_verbosity(False)
config = SimpleConfig()
servers = filter_protocol(DEFAULT_SERVERS,'t')
results = util.send_request(servers, {'method':'blockchain.headers.subscribe', 'params':[]})
d = defaultdict(int)
for k, r in results.items():
blocks = r.get('block_height')
d[blocks] += 1
for k, v in results.items():
print k, v.get('block_height')
v = d.values()
numblocks = d.keys()[v.index(max(v))]
print "blocks:",numblocks