# along with this program. If not, see <http://www.gnu.org/licenses/>.
-import random, socket, ast, re, ssl
+import random, socket, ast, re, ssl, errno
import threading, traceback, sys, time, json, Queue
from version import ELECTRUM_VERSION, PROTOCOL_VERSION
DEFAULT_TIMEOUT = 5
DEFAULT_PORTS = {'t':'50001', 's':'50002', 'h':'8081', 'g':'8082'}
-DEFAULT_SERVERS = [
- 'electrum.bitcoin.cz:50002:s',
- 'electrum.novit.ro:50002:s',
- 'electrum.be:50002:s',
- 'electrum.bysh.me:50002:s',
- 'electrum.pdmc.net:50002:s',
- 'electrum.no-ip.org:50002:s',
- 'ecdsa.org:50002:s',
- 'electra.datemas.de:50002:s',
- 'electrum.datemas.de:50002:s',
- 'electrum.mooo.com:50002:s',
- 'btcback.com:50002:s',
- 'electrum.bitcoins.sk:50002:s',
- 'btc.stytt.com:50002:s',
- 'electrum.stepkrav.pw:50002:s',
- 'btc.it-zone.org:110:s'
- ]
-
-# add only port 80 servers here
-DEFAULT_HTTP_SERVERS = [
- 'electrum.no-ip.org:80:h'
-]
+
+DEFAULT_SERVERS = {
+ 'the9ull.homelinux.org': {'h': '8082', 't': '50001'},
+ 'electrum.coinwallet.me': {'h': '8081', 's': '50002', 't': '50001', 'g': '8082'},
+ 'electrum.dynaloop.net': {'h': '8081', 's': '50002', 't': '50001', 'g': '8082'},
+ 'electrum.koh.ms': {'h': '8081', 's': '50002', 't': '50001', 'g': '8082'},
+ 'electrum.novit.ro': {'h': '8081', 's': '50002', 't': '50001', 'g': '8082'},
+ 'electrum.stepkrav.pw': {'h': '8081', 's': '50002', 't': '50001', 'g': '8082'},
+ 'ecdsa.org': {'h': '8081', 's': '50002', 't': '50001', 'g': '8082'},
+ 'electrum.mooo.com': {'h': '8081', 't': '50001'},
+ 'electrum.bitcoins.sk': {'h': '8081', 's': '50002', 't': '50001', 'g': '8'},
+ 'electrum.no-ip.org': {'h': '80', 's': '50002', 't': '50001', 'g': '443'},
+ 'electrum.drollette.com': {'h': '8081', 's': '50002', 't': '50001', 'g': '8082'},
+ 'btc.it-zone.org': {'h': '80', 's': '110', 't': '50001', 'g': '443'},
+ 'electrum.yacoin.com': {'h': '8081', 's': '50002', 't': '50001', 'g': '8082'},
+ 'electrum.be': {'h': '8081', 's': '50002', 't': '50001', 'g': '8082'}
+}
+
+
+
+def filter_protocol(servers, p):
+ l = []
+ for k, protocols in servers.items():
+ if p in protocols:
+ l.append( ':'.join([k, protocols[p], p]) )
+ return l
+
+
proxy_modes = ['socks4', 'socks5', 'http']
def pick_random_server():
- return random.choice( DEFAULT_SERVERS )
+ return random.choice( filter_protocol(DEFAULT_SERVERS,'s') )
class Interface(threading.Thread):
+
def register_callback(self, event, callback):
with self.lock:
if not self.callbacks.get(event):
self.callbacks[event] = []
self.callbacks[event].append(callback)
+
def trigger_callback(self, event):
with self.lock:
callbacks = self.callbacks.get(event,[])[:]
if callbacks:
[callback() for callback in callbacks]
+
def init_server(self, host, port, proxy=None, use_ssl=True):
self.host = host
self.port = port
self.unanswered_requests = {}
#banner
self.banner = ''
+ self.pending_transactions_for_notifications= []
+
+
+ def parse_servers(self, result):
+ """ parse servers list into dict format"""
+
+ servers = {}
+ for item in result:
+ host = item[1]
+ out = {}
+ version = None
+ pruning_level = '-'
+ if len(item) > 2:
+ for v in item[2]:
+ if re.match("[stgh]\d*", v):
+ protocol, port = v[0], v[1:]
+ if port == '': port = DEFAULT_PORTS[protocol]
+ out[protocol] = port
+ elif re.match("v(.?)+", v):
+ version = v[1:]
+ elif re.match("p\d*", v):
+ pruning_level = v[1:]
+ if pruning_level == '': pruning_level = '0'
+ try:
+ is_recent = float(version)>=float(PROTOCOL_VERSION)
+ except:
+ is_recent = False
+
+ if out and is_recent:
+ out['pruning'] = pruning_level
+ servers[host] = out
+
+ return servers
def queue_json_response(self, c):
self.trigger_callback('banner')
elif method == 'server.peers.subscribe':
- servers = {}
- for item in result:
- s = []
- host = item[1]
- ports = []
- version = None
- pruning_level = '-'
- if len(item) > 2:
- for v in item[2]:
- if re.match("[stgh]\d*", v):
- protocol, port = v[0], v[1:]
- if port == '': port = DEFAULT_PORTS[protocol]
- ports.append((protocol, port))
- elif re.match("v(.?)+", v):
- version = v[1:]
- elif re.match("p\d*", v):
- pruning_level = v[1:]
- if pruning_level == '': pruning_level = '0'
- try:
- is_recent = float(version)>=float(PROTOCOL_VERSION)
- except:
- is_recent = False
- if ports and is_recent:
- servers[host] = {'ports':ports, 'pruning':pruning_level}
- self.servers = servers
+ self.servers = self.parse_servers(result)
self.trigger_callback('peers')
else:
return
response_queue = self.responses[channel]
- response_queue.put({'method':method, 'params':params, 'result':result, 'id':msg_id})
+ response_queue.put((self, {'method':method, 'params':params, 'result':result, 'id':msg_id}))
def get_response(self, channel='default', block=True, timeout=10000000000):
- return self.responses[channel].get(block, timeout)
+ i, r = self.responses[channel].get(block, timeout)
+ return r
- def register_channel(self, channel):
+ def register_channel(self, channel, queue=None):
+ if queue is None:
+ queue = Queue.Queue()
with self.lock:
- self.responses[channel] = Queue.Queue()
+ self.responses[channel] = queue
def poke(self, channel):
self.responses[channel].put(None)
s.setproxy(proxy_modes.index(self.proxy["mode"]) + 1, self.proxy["host"], int(self.proxy["port"]) )
if self.use_ssl:
- s = ssl.wrap_socket(s, ssl_version=ssl.PROTOCOL_SSLv23)
+ s = ssl.wrap_socket(s, ssl_version=ssl.PROTOCOL_SSLv23, do_handshake_on_connect=True)
s.settimeout(2)
s.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
try:
s.connect(( self.host.encode('ascii'), int(self.port)))
- s.settimeout(60)
- self.s = s
- self.is_connected = True
except:
+ #traceback.print_exc(file=sys.stdout)
+ print_error("failed to connect", host, port)
self.is_connected = False
self.s = None
+ return
+ s.settimeout(60)
+ self.s = s
+ self.is_connected = True
def run_tcp(self):
try:
+ #if self.use_ssl: self.s.do_handshake()
out = ''
while self.is_connected:
-
try:
timeout = False
msg = self.s.recv(1024)
timeout = True
except ssl.SSLError:
timeout = True
+ except socket.error, err:
+ if err.errno in [11, 10035]:
+ print_error("socket errno", err.errno)
+ time.sleep(0.1)
+ continue
+ else:
+ traceback.print_exc(file=sys.stdout)
+ raise
if timeout:
# ping the server with server.version, as a real ping does not exist yet
self.unanswered_requests[self.message_id] = method, params, channel
ids.append(self.message_id)
# uncomment to debug
- # print "-->",request
+ # print "-->", request
self.message_id += 1
out += request + '\n'
while out:
try:
sent = self.s.send( out )
out = out[sent:]
- except:
- # this happens when we get disconnected
- print_error( "Not connected, cannot send" )
- return None
+ except socket.error,e:
+ if e[0] in (errno.EWOULDBLOCK,errno.EAGAIN):
+ print_error( "EAGAIN: retrying")
+ time.sleep(0.1)
+ continue
+ else:
+ traceback.print_exc(file=sys.stdout)
+ # this happens when we get disconnected
+ print_error( "Not connected, cannot send" )
+ return None
return ids
- def __init__(self, config=None, loop=False):
- self.server = random.choice(DEFAULT_SERVERS[:])
+ def __init__(self, config=None):
+ self.server = random.choice(filter_protocol(DEFAULT_SERVERS, 's'))
self.proxy = None
if config is None:
threading.Thread.__init__(self)
self.daemon = True
- self.loop = loop
self.config = config
self.connect_event = threading.Event()
self.bytes_received = 0
self.is_connected = False
+ # init with None server, in case we are offline
+ self.init_server(None, None)
+
+
def init_interface(self):
if self.config.get('auto_cycle') is None:
self.config.set_key('auto_cycle', True, False)
- if not self.is_connected and self.config.get('auto_cycle'):
- print_msg("Using random server...")
- servers_tcp = DEFAULT_SERVERS[:]
- servers_http = DEFAULT_HTTP_SERVERS[:]
- while servers_tcp or servers_http:
- if servers_tcp:
- server = random.choice( servers_tcp )
- servers_tcp.remove(server)
- else:
- # try HTTP if we can't get a TCP connection
- server = random.choice( servers_http )
- servers_http.remove(server)
- print server
- self.config.set_key('server', server, False)
- self.init_with_server(self.config)
- if self.is_connected: break
-
- if not self.is_connected:
- print 'no server available'
- self.connect_event.set() # to finish start
- self.server = 'ecdsa.org:50001:t'
- self.proxy = None
- return
+ if not self.is_connected:
+ self.connect_event.set()
+ return
self.connect_event.set()
- if self.is_connected:
- self.send([('server.version', [ELECTRUM_VERSION, PROTOCOL_VERSION])])
- self.send([('server.banner',[])])
- self.trigger_callback('connected')
- else:
- self.trigger_callback('notconnected')
- #print_error("Failed to connect " + self.connection_msg)
def init_with_server(self, config):
return out
- def resend_subscriptions(self):
- for channel, messages in self.subscriptions.items():
- if messages:
- self.send(messages, channel)
-
-
def parse_proxy_options(self, s):
if type(s) == type({}): return s # fixme: type should be fixed
self.s.close()
- def get_servers_list(self):
- plist = {}
+ def get_servers(self):
if not self.servers:
- servers_list = {}
- for x in DEFAULT_SERVERS:
- h,port,protocol = x.split(':')
- servers_list[h] = {'ports':[(protocol,port)]}
+ return DEFAULT_SERVERS
else:
- servers_list = self.servers
-
- for _host, v in servers_list.items():
- pp = v['ports']
- z = {}
- for item2 in pp:
- _protocol, _port = item2
- z[_protocol] = _port
- plist[_host] = z
-
- return plist, servers_list
+ return self.servers
def is_empty(self, channel):
return out
- def start(self, wait=True):
+ def start(self, queue):
+ self.queue = queue
threading.Thread.start(self)
- if wait:
- # wait until connection is established
- self.connect_event.wait()
- if not self.is_connected:
- return False
- return True
+
+
def run(self):
- while True:
- self.init_interface()
- if self.is_connected:
- self.resend_subscriptions()
- self.run_tcp() if self.protocol in 'st' else self.run_http()
+ self.init_interface()
+ if self.is_connected:
+ self.send([('server.version', [ELECTRUM_VERSION, PROTOCOL_VERSION])])
+ self.change_status()
+ self.run_tcp() if self.protocol in 'st' else self.run_http()
+ self.change_status()
+
+ def change_status(self):
+ self.queue.put(self)
- self.trigger_callback('disconnected')
- if not self.loop: break
- time.sleep(5)