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#!/usr/bin/env python
import util, json
from collections import defaultdict
def analyze(results):
out = {}
dd = {}
for k, v in results.items():
height = v.get('block_height')
merkle = v.get('merkle_root')
utxo = v.get('utxo_root')
d = dd.get(merkle, defaultdict(int))
d[utxo] += 1
dd[merkle] = d
refs = {}
for merkle, d in dd.items():
v = d.values()
m = max(v)
ref = d.keys()[v.index(m)]
refs[merkle] = ref, m
for k, v in results.items():
height = v.get('block_height')
merkle = v.get('merkle_root')
utxo = v.get('utxo_root')
ref_utxo, num = refs.get(merkle)
if ref_utxo != utxo and num > 1:
out[k] = height, merkle, utxo
return out
peers = util.get_peers()
results = util.send_request(peers, 'blockchain.headers.subscribe', [])
errors = analyze(results).keys()
for n,v in sorted(results.items(), key=lambda x:x[1].get('block_height')):
print "%40s"%n, v.get('block_height'), v.get('utxo_root'), "error" if n in errors else "ok"