update peers and txradar scripts

scripts/util.py

@@ -0,0 +1,71 @@
+import time, electrum, Queue
+from electrum import Interface, SimpleConfig
+from electrum.network import filter_protocol, parse_servers
+
+# electrum.util.set_verbosity(1)
+
+def get_peers():
+    # 1. start interface and wait for connection
+    interface = electrum.Interface('ecdsa.net:110:s')
+    q = Queue.Queue()
+    interface.start(q)
+    i, r = q.get()
+    if not interface.is_connected:
+        raise BaseException("not connected")
+    # 2. get list of peers
+    interface.send_request({'id':0, 'method':'server.peers.subscribe','params':[]})
+    i, r = q.get(timeout=10000)
+    peers = parse_servers(r.get('result'))
+    peers = filter_protocol(peers,'s')
+    i.stop()
+    return peers
+
+def send_request(peers, request):
+    print "Contacting %d servers"%len(peers)
+    # start interfaces
+    q2 = Queue.Queue()
+    config = SimpleConfig()
+    interfaces = map ( lambda server: Interface(server, config), peers )
+    reached_servers = []
+    for i in interfaces:
+        i.start(q2)
+    t0 = time.time()
+    while peers:
+        try:
+            i, r = q2.get(timeout=1)
+        except:
+            if time.time() - t0 > 10:
+                print "timeout"
+                break
+            else:
+                continue
+        if i.server in peers:
+            peers.remove(i.server)
+        if i.is_connected:
+            reached_servers.append(i)
+        else:
+            print "Connection failed:", i.server
+
+    print "%d servers could be reached"%len(reached_servers)
+
+    results_queue = Queue.Queue()
+    for i in reached_servers:
+        i.send_request(request, results_queue)
+    results = {}
+    t0 = time.time()
+    while reached_servers:
+        try:
+            i, r = results_queue.get(timeout=1)
+        except:
+            if time.time() - t0 > 10:
+                break
+            else:
+                continue
+        results[i.server] = r.get('result')
+        reached_servers.remove(i)
+        i.stop()
+
+    for i in reached_servers:
+        print i.server, "did not answer"
+    print "%d answers"%len(results)
+    return results