1 import threading, time, Queue, os, sys, shutil, random
2 from util import user_dir, appdata_dir, print_error, print_msg
5 from blockchain import Blockchain
7 DEFAULT_PORTS = {'t':'50001', 's':'50002', 'h':'8081', 'g':'8082'}
10 'the9ull.homelinux.org': {'h': '8082', 't': '50001'},
11 'electrum.coinwallet.me': {'h': '8081', 's': '50002', 't': '50001', 'g': '8082'},
12 'electrum.dynaloop.net': {'h': '8081', 's': '50002', 't': '50001', 'g': '8082'},
13 'electrum.koh.ms': {'h': '8081', 's': '50002', 't': '50001', 'g': '8082'},
14 'electrum.novit.ro': {'h': '8081', 's': '50002', 't': '50001', 'g': '8082'},
15 'electrum.stepkrav.pw': {'h': '8081', 's': '50002', 't': '50001', 'g': '8082'},
16 'ecdsa.org': {'h': '8081', 's': '50002', 't': '50001', 'g': '8082'},
17 'electrum.mooo.com': {'h': '8081', 't': '50001'},
18 'electrum.bitcoins.sk': {'h': '8081', 's': '50002', 't': '50001', 'g': '8'},
19 'electrum.no-ip.org': {'h': '80', 's': '50002', 't': '50001', 'g': '443'},
20 'electrum.drollette.com': {'h': '8081', 's': '50002', 't': '50001', 'g': '8082'},
21 'btc.it-zone.org': {'h': '80', 's': '110', 't': '50001', 'g': '443'},
22 'electrum.yacoin.com': {'h': '8081', 's': '50002', 't': '50001', 'g': '8082'},
23 'electrum.be': {'h': '8081', 's': '50002', 't': '50001', 'g': '8082'}
28 def filter_protocol(servers, p):
30 for k, protocols in servers.items():
32 l.append( ':'.join([k, protocols[p], p]) )
37 class Network(threading.Thread):
39 def __init__(self, config):
40 threading.Thread.__init__(self)
43 self.lock = threading.Lock()
44 self.blockchain = Blockchain(config, self)
46 self.queue = Queue.Queue()
47 self.default_server = self.config.get('server')
48 self.disconnected_servers = []
54 def register_callback(self, event, callback):
56 if not self.callbacks.get(event):
57 self.callbacks[event] = []
58 self.callbacks[event].append(callback)
61 def trigger_callback(self, event):
63 callbacks = self.callbacks.get(event,[])[:]
65 [callback() for callback in callbacks]
68 def random_server(self):
70 l = filter_protocol(self.get_servers(), 's')
72 if s in self.disconnected_servers or s in self.interfaces.keys():
77 if not choice_list: return
79 server = random.choice( choice_list )
83 def get_servers(self):
85 return DEFAULT_SERVERS
90 def start_interface(self, server):
91 if server in self.interfaces.keys():
93 i = interface.Interface({'server':server})
94 self.interfaces[server] = i
97 def start_random_interface(self):
98 server = self.random_server()
100 self.start_interface(server)
102 def start_interfaces(self):
103 if self.default_server:
104 self.start_interface(self.default_server)
105 self.interface = self.interfaces[self.default_server]
108 self.start_random_interface()
110 if not self.interface:
111 self.interface = self.interfaces.values()[0]
114 def start(self, wait=False):
115 self.start_interfaces()
116 threading.Thread.start(self)
118 self.interface.connect_event.wait()
119 return self.interface.is_connected
122 def set_server(self, server, proxy):
124 self.default_server = server
125 self.start_interface(server)
126 self.interface = self.interfaces[server]
127 i.stop_subscriptions() # fixme: it should not stop all subscriptions, and send 'unsubscribe'
128 self.trigger_callback('disconnecting') # for actively disconnecting
132 self.blockchain.start()
137 while self.is_running():
141 i.send([ ('blockchain.headers.subscribe',[])], self.on_header)
142 if i == self.interface:
143 i.send([('server.banner',[])], self.on_banner)
144 i.send([('server.peers.subscribe',[])], self.on_peers)
145 self.trigger_callback('connected')
147 self.disconnected_servers.append(i.server)
148 self.interfaces.pop(i.server)
149 self.start_random_interface()
151 if i == self.interface:
152 if self.config.get('auto_cycle'):
153 self.interface = random.choice(self.interfaces.values())
154 self.config.set_key('server', self.interface.server, False)
156 self.trigger_callback('disconnected')
158 def on_header(self, i, result):
159 self.blockchain.queue.put((i,result))
161 def on_peers(self, i, r):
163 self.servers = self.parse_servers(r.get('result'))
164 self.trigger_callback('peers')
166 def on_banner(self, i, r):
167 self.banner = r.get('result')
168 self.trigger_callback('banner')
171 with self.lock: self.running = False
173 def is_running(self):
174 with self.lock: return self.running
177 def parse_servers(self, result):
178 """ parse servers list into dict format"""
179 from version import PROTOCOL_VERSION
188 if re.match("[stgh]\d*", v):
189 protocol, port = v[0], v[1:]
190 if port == '': port = DEFAULT_PORTS[protocol]
192 elif re.match("v(.?)+", v):
194 elif re.match("p\d*", v):
195 pruning_level = v[1:]
196 if pruning_level == '': pruning_level = '0'
198 is_recent = float(version)>=float(PROTOCOL_VERSION)
202 if out and is_recent:
203 out['pruning'] = pruning_level
211 if __name__ == "__main__":
213 config = simple_config.SimpleConfig({'verbose':True, 'server':'ecdsa.org:50002:s'})
214 network = Network(config)