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102 lines
2.5 KiB
102 lines
2.5 KiB
#!/usr/bin/env python |
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import time, electrum, Queue |
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from electrum import Interface, SimpleConfig |
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from electrum.network import filter_protocol, parse_servers |
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from collections import defaultdict |
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# electrum.util.set_verbosity(1) |
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# 1. start interface and wait for connection |
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interface = electrum.Interface('ecdsa.net:110:s') |
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q = Queue.Queue() |
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interface.start(q) |
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i, r = q.get() |
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if not interface.is_connected: |
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print "not connected" |
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exit(1) |
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# 2. get list of peers |
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interface.send_request({'id':0, 'method':'server.peers.subscribe','params':[]}) |
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i, r = q.get(timeout=10000) |
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peers = parse_servers(r.get('result')) |
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peers = filter_protocol(peers,'s') |
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i.stop() |
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print "Contacting %d servers"%len(peers) |
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# start interfaces |
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q2 = Queue.Queue() |
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config = SimpleConfig() |
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interfaces = map ( lambda server: Interface(server, config), peers ) |
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reached_servers = [] |
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for i in interfaces: |
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i.start(q2) |
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t0 = time.time() |
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while peers: |
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try: |
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i, r = q2.get(timeout=1) |
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except: |
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if time.time() - t0 > 10: |
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print "timeout" |
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break |
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else: |
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continue |
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if i.server in peers: |
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peers.remove(i.server) |
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if i.is_connected: |
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reached_servers.append(i) |
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else: |
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print "Connection failed:", i.server |
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print "%d servers could be reached"%len(reached_servers) |
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def analyze(results): |
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out = {} |
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dd = {} |
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for k, v in results.items(): |
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height = v.get('block_height') |
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merkle = v.get('merkle_root') |
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utxo = v.get('utxo_root') |
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d = dd.get(merkle, defaultdict(int)) |
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d[utxo] += 1 |
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dd[merkle] = d |
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refs = {} |
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for merkle, d in dd.items(): |
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v = d.values() |
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m = max(v) |
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ref = d.keys()[v.index(m)] |
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refs[merkle] = ref, m |
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for k, v in results.items(): |
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height = v.get('block_height') |
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merkle = v.get('merkle_root') |
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utxo = v.get('utxo_root') |
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ref_utxo, num = refs.get(merkle) |
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if ref_utxo != utxo and num > 1: |
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out[k] = height, merkle, utxo |
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return out |
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results_queue = Queue.Queue() |
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for i in reached_servers: |
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i.send_request({'method':'blockchain.headers.subscribe','params':[]}, results_queue) |
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results = {} |
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while reached_servers: |
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i, r = results_queue.get(timeout=10000) |
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results[i.server] = r.get('result') |
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reached_servers.remove(i) |
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i.stop() |
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errors = analyze(results).keys() |
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for n,v in sorted(results.items(), key=lambda x:x[1]['block_height']): |
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print "%40s"%n, v['block_height'], v['utxo_root'], "error" if n in errors else "ok" |
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