#!/usr/bin/env python
-import time, electrum
+import time, electrum, Queue
+from electrum import Interface, SimpleConfig
+from electrum.network import filter_protocol, parse_servers
+from collections import defaultdict
-electrum.set_verbosity(False) # default is True
-network = electrum.Network({'auto_cycle':True})
-network.register_callback('peers',lambda: electrum.print_json(network.irc_servers.keys()))
+# 1. start interface and wait for connection
+interface = electrum.Interface('ecdsa.net:50002:s')
+interface.start(wait = True)
+if not interface.is_connected:
+ print "not connected"
+ exit()
-if not network.start(wait=True):
- print "Not connected"
- exit(1)
+# 2. get list of peers
+q = Queue.Queue()
+interface.send([('server.peers.subscribe',[])], lambda i,x: q.put(x))
+r = q.get(timeout=10000)
+peers = parse_servers(r.get('result'))
+peers = filter_protocol(peers,'s')
-print "Connected to", network.interface.server
-while not network.irc_servers:
- time.sleep(1)
+# start interfaces
+config = SimpleConfig()
+interfaces = map ( lambda server: Interface(server, config), peers )
+results_queue = Queue.Queue()
+reached_servers = []
+for i in interfaces: i.start(q)
+while peers:
+ i = q.get(timeout=1)
+ peers.remove(i.server)
+ if i.is_connected:
+ i.send([('blockchain.headers.subscribe',[])], lambda i,x: results_queue.put((i,x)))
+ reached_servers.append(i.server)
+
+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
+
+
+results = {}
+while reached_servers:
+ i, r = results_queue.get(timeout=10000)
+ results[i.server] = r.get('result')
+ reached_servers.remove(i.server)
+
+electrum.print_json(results)
+out = analyze(results)
+if out:
+ print "faulty servers:"
+ electrum.print_json(out)
+else:
+ print "ok"
i = q.get(timeout=1000)
servers.remove(i.server)
if i.is_connected:
- i.send([('blockchain.numblocks.subscribe',[])], lambda i,x: results_queue.put((i,x)))
+ i.send([('blockchain.headers.subscribe',[])], lambda i,x: results_queue.put((i,x)))
reached_servers.append(i.server)
i.status = "ok"
else:
while reached_servers:
i, r = results_queue.get(timeout=1000)
- i.blocks = r.get('result')
+ i.blocks = r.get('result').get('block_height')
d[i.blocks] += 1
reached_servers.remove(i.server)