# along with this program. If not, see <http://www.gnu.org/licenses/>.
-import random, socket, ast, re
+import random, socket, ast, re, ssl, errno
import threading, traceback, sys, time, json, Queue
-from version import ELECTRUM_VERSION
-from util import print_error
+from version import ELECTRUM_VERSION, PROTOCOL_VERSION
+from util import print_error, print_msg
DEFAULT_TIMEOUT = 5
-DEFAULT_SERVERS = [
- 'electrum.novit.ro:50001:t',
- 'electrum.pdmc.net:50001:t',
- #'ecdsa.org:50002:s',
- 'electrum.bitcoins.sk:50001:t',
- 'uncle-enzo.info:50001:t',
- 'electrum.bytesized-hosting.com:50001:t',
- 'california.stratum.bitcoin.cz:50001:t',
- 'electrum.bitfoo.org:50001:t'
- ]
+DEFAULT_PORTS = {'t':'50001', 's':'50002', 'h':'8081', 'g':'8082'}
+
+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') )
-def pick_random_interface():
- servers = DEFAULT_SERVERS
- while servers:
- server = random.choice( servers )
- servers.remove(server)
- i = Interface({'server':server})
- if i.is_connected:
- return i
- raise BaseException('no server available')
-class InterfaceAncestor(threading.Thread):
+class Interface(threading.Thread):
- def __init__(self, host, port, proxy=None, use_ssl=True):
- threading.Thread.__init__(self)
- self.daemon = True
+
+ 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.proxy = proxy
self.use_ssl = use_ssl
-
- self.servers = [] # actual list from IRC
- self.rtime = 0
- self.bytes_received = 0
-
- self.is_connected = True
self.poll_interval = 1
#json
self.message_id = 0
- self.responses = Queue.Queue()
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 poke(self):
- # push a fake response so that the getting thread exits its loop
- self.responses.put(None)
def queue_json_response(self, c):
# uncomment to debug
- # print "<--",c
+ # print_error( "<--",c )
msg_id = c.get('id')
error = c.get('error')
if error:
- print "received error:", c
+ print_error("received error:", c)
+ if msg_id is not None:
+ with self.lock:
+ method, params, channel = self.unanswered_requests.pop(msg_id)
+ response_queue = self.responses[channel]
+ response_queue.put({'method':method, 'params':params, 'error':error, 'id':msg_id})
+
return
if msg_id is not None:
- method, params = self.unanswered_requests.pop(msg_id)
+ with self.lock:
+ method, params, channel = self.unanswered_requests.pop(msg_id)
result = c.get('result')
+
+ if method == 'server.version':
+ self.server_version = result
+
+ elif method == 'server.banner':
+ self.banner = result
+ self.trigger_callback('banner')
+
+ elif method == 'server.peers.subscribe':
+ self.servers = self.parse_servers(result)
+ self.trigger_callback('peers')
+
else:
- # notification
+ # notification: find the channel(s)
method = c.get('method')
params = c.get('params')
result = params[0]
params = []
+ elif method == 'blockchain.headers.subscribe':
+ result = params[0]
+ params = []
+
elif method == 'blockchain.address.subscribe':
addr = params[0]
result = params[1]
params = [addr]
- self.responses.put({'method':method, 'params':params, 'result':result})
-
-
+ with self.lock:
+ for k,v in self.subscriptions.items():
+ if (method, params) in v:
+ channel = k
+ break
+ else:
+ print_error( "received unexpected notification", method, params)
+ print_error( self.subscriptions )
+ return
+
+ response_queue = self.responses[channel]
+ response_queue.put((self, {'method':method, 'params':params, 'result':result, 'id':msg_id}))
- def subscribe(self, addresses):
- messages = []
- for addr in addresses:
- messages.append(('blockchain.address.subscribe', [addr]))
- self.send(messages)
+ def get_response(self, channel='default', block=True, timeout=10000000000):
+ i, r = self.responses[channel].get(block, timeout)
+ return r
+ def register_channel(self, channel, queue=None):
+ if queue is None:
+ queue = Queue.Queue()
+ with self.lock:
+ self.responses[channel] = queue
+ def poke(self, channel):
+ self.responses[channel].put(None)
-class HttpStratumInterface(InterfaceAncestor):
- """ non-persistent connection. synchronous calls"""
- def __init__(self, host, port, proxy=None, use_ssl=True):
- InterfaceAncestor.__init__(self, host, port, proxy, use_ssl)
+ def init_http(self, host, port, proxy=None, use_ssl=True):
+ self.init_server(host, port, proxy, use_ssl)
self.session_id = None
- self.connection_msg = "http://%s:%d"%(self.host,self.port)
+ self.is_connected = True
+ self.connection_msg = ('https' if self.use_ssl else 'http') + '://%s:%d'%( self.host, self.port )
+ try:
+ self.poll()
+ except:
+ print_error("http init session failed")
+ self.is_connected = False
+ return
- def get_history(self, address):
- self.send([('blockchain.address.get_history', [address] )])
+ if self.session_id:
+ print_error('http session:',self.session_id)
+ self.is_connected = True
+ else:
+ self.is_connected = False
- def run(self):
+ def run_http(self):
self.is_connected = True
while self.is_connected:
try:
break
self.is_connected = False
- self.poke()
def poll(self):
self.send([])
- def send(self, messages):
+
+ def send_http(self, messages, channel='default'):
import urllib2, json, time, cookielib
+ print_error( "send_http", messages )
if self.proxy:
import socks
- socks.setdefaultproxy(proxy_modes.index(self.proxy["mode"]), self.proxy["host"], int(self.proxy["port"]) )
+ socks.setdefaultproxy(proxy_modes.index(self.proxy["mode"]) + 1, self.proxy["host"], int(self.proxy["port"]) )
socks.wrapmodule(urllib2)
cj = cookielib.CookieJar()
method, params = m
if type(params) != type([]): params = [params]
data.append( { 'method':method, 'id':self.message_id, 'params':params } )
- self.unanswered_requests[self.message_id] = method, params
+ self.unanswered_requests[self.message_id] = method, params, channel
self.message_id += 1
if data:
# poll with GET
data_json = None
- if self.use_ssl:
- host = 'https://%s:%d'%( self.host, self.port )
- else:
- host = 'http://%s:%d'%( self.host, self.port )
headers = {'content-type': 'application/json'}
if self.session_id:
headers['cookie'] = 'SESSION=%s'%self.session_id
- req = urllib2.Request(host, data_json, headers)
- response_stream = urllib2.urlopen(req)
+ try:
+ req = urllib2.Request(self.connection_msg, data_json, headers)
+ response_stream = urllib2.urlopen(req, timeout=DEFAULT_TIMEOUT)
+ except:
+ return
for index, cookie in enumerate(cj):
if cookie.name=='SESSION':
-class TcpStratumInterface(InterfaceAncestor):
- """json-rpc over persistent TCP connection, asynchronous"""
+ def init_tcp(self, host, port, proxy=None, use_ssl=True):
+ self.init_server(host, port, proxy, use_ssl)
- def __init__(self, host, port, proxy=None, use_ssl=True):
- InterfaceAncestor.__init__(self, host, port, proxy, use_ssl)
- self.init_socket()
-
- def init_socket(self):
- import ssl
global proxy_modes
self.connection_msg = "%s:%d"%(self.host,self.port)
if self.proxy is None:
self.connection_msg += " using proxy %s:%s:%s"%(self.proxy.get('mode'), self.proxy.get('host'), self.proxy.get('port'))
import socks
s = socks.socksocket()
- s.setproxy(proxy_modes.index(self.proxy["mode"]), self.proxy["host"], int(self.proxy["port"]) )
+ 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
- self.send([('server.version', [ELECTRUM_VERSION])])
except:
+ #traceback.print_exc(file=sys.stdout)
+ print_error("failed to connect", host, port)
self.is_connected = False
self.s = None
+ return
- def run(self):
+ 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: msg = self.s.recv(1024)
+ try:
+ timeout = False
+ msg = self.s.recv(1024)
except socket.timeout:
+ 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.send([('server.version', [ELECTRUM_VERSION])])
+ self.send([('server.version', [ELECTRUM_VERSION, PROTOCOL_VERSION])])
continue
+
out += msg
self.bytes_received += len(msg)
if msg == '':
self.is_connected = False
- print "Disconnected."
while True:
s = out.find('\n')
traceback.print_exc(file=sys.stdout)
self.is_connected = False
- print "Poking"
- self.poke()
- def send(self, messages):
+
+ def send_tcp(self, messages, channel='default'):
+ """return the ids of the requests that we sent"""
out = ''
+ ids = []
for m in messages:
method, params = m
request = json.dumps( { 'id':self.message_id, 'method':method, 'params':params } )
- self.unanswered_requests[self.message_id] = method, params
-
+ 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:
- sent = self.s.send( out )
- out = out[sent:]
+ try:
+ sent = self.s.send( out )
+ out = out[sent:]
+ 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 get_history(self, addr):
- self.send([('blockchain.address.get_history', [addr])])
-
-class Interface(TcpStratumInterface, HttpStratumInterface):
-
- def __init__(self, config = None):
+ def __init__(self, config=None):
+ self.server = random.choice(filter_protocol(DEFAULT_SERVERS, 's'))
+ self.proxy = None
if config is None:
from simple_config import SimpleConfig
config = SimpleConfig()
+
+ threading.Thread.__init__(self)
+ self.daemon = True
+ self.config = config
+ self.connect_event = threading.Event()
+
+ self.subscriptions = {}
+ self.responses = {}
+ self.responses['default'] = Queue.Queue()
+
+ self.callbacks = {}
+ self.lock = threading.Lock()
+
+ self.servers = {} # actual list from IRC
+ self.rtime = 0
+ 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('server'):
+ self.init_with_server(self.config)
+ else:
+ if self.config.get('auto_cycle') is None:
+ self.config.set_key('auto_cycle', True, False)
+
+ if not self.is_connected:
+ self.connect_event.set()
+ return
+
+ self.connect_event.set()
+
+
+ def init_with_server(self, config):
s = config.get('server')
host, port, protocol = s.split(':')
#print protocol, host, port
if protocol in 'st':
- TcpStratumInterface.__init__(self, host, port, proxy, use_ssl=(protocol=='s'))
+ self.init_tcp(host, port, proxy, use_ssl=(protocol=='s'))
elif protocol in 'gh':
- HttpStratumInterface.__init__(self, host, port, proxy, use_ssl=(protocol=='g'))
+ self.init_http(host, port, proxy, use_ssl=(protocol=='g'))
else:
raise BaseException('Unknown protocol: %s'%protocol)
- def run(self):
- if self.protocol in 'st':
- TcpStratumInterface.run(self)
- else:
- HttpStratumInterface.run(self)
+ def send(self, messages, channel='default'):
+
+ sub = []
+ for message in messages:
+ m, v = message
+ if m[-10:] == '.subscribe':
+ sub.append(message)
+
+ if sub:
+ with self.lock:
+ if self.subscriptions.get(channel) is None:
+ self.subscriptions[channel] = []
+ for message in sub:
+ if message not in self.subscriptions[channel]:
+ self.subscriptions[channel].append(message)
+
+ if not self.is_connected:
+ return
- def send(self, messages):
if self.protocol in 'st':
- TcpStratumInterface.send(self, messages)
+ with self.lock:
+ out = self.send_tcp(messages, channel)
else:
- HttpStratumInterface.send(self, messages)
+ # do not use lock, http is synchronous
+ out = self.send_http(messages, channel)
+
+ return out
def parse_proxy_options(self, s):
print "changing server:", server, proxy
self.server = server
self.proxy = proxy
+ if self.is_connected and self.protocol in 'st' and self.s:
+ self.s.shutdown(socket.SHUT_RDWR)
+ self.s.close()
self.is_connected = False # this exits the polling loop
- self.poke()
+ self.trigger_callback('disconnecting') # for actively disconnecting
- def is_up_to_date(self):
- return self.responses.empty() and not self.unanswered_requests
+ def stop(self):
+ if self.is_connected and self.protocol in 'st' and self.s:
+ self.s.shutdown(socket.SHUT_RDWR)
+ self.s.close()
+ def get_servers(self):
+ if not self.servers:
+ return DEFAULT_SERVERS
+ else:
+ return self.servers
+ def is_empty(self, channel):
+ q = self.responses.get(channel)
+ if q:
+ return q.empty()
+ else:
+ return True
-class WalletSynchronizer(threading.Thread):
+ def get_pending_requests(self, channel):
+ result = []
+ with self.lock:
+ for k, v in self.unanswered_requests.items():
+ a, b, c = v
+ if c == channel: result.append(k)
+ return result
- def __init__(self, wallet, config, loop=False, servers_loaded_callback=None):
- threading.Thread.__init__(self)
- self.daemon = True
- self.wallet = wallet
- self.loop = loop
- self.config = config
- self.init_interface()
- self.servers_loaded_callback = servers_loaded_callback
+ def is_up_to_date(self, channel):
+ return self.is_empty(channel) and not self.get_pending_requests(channel)
- def init_interface(self):
- if self.config.get('server'):
- self.interface = Interface(self.config)
- else:
- print "Using random server..."
- self.interface = pick_random_interface()
- if self.interface.is_connected:
- print "Connected to " + self.interface.connection_msg
- else:
- print_error("Failed to connect " + self.interface.connection_msg)
+ def synchronous_get(self, requests, timeout=100000000):
+ # todo: use generators, unanswered_requests should be a list of arrays...
+ ids = self.send(requests)
+ id2 = ids[:]
+ res = {}
+ while ids:
+ r = self.responses['default'].get(True, timeout)
+ _id = r.get('id')
+ if _id in ids:
+ ids.remove(_id)
+ res[_id] = r.get('result')
+ out = []
+ for _id in id2:
+ out.append(res[_id])
+ return out
- self.wallet.interface = self.interface
- def handle_response(self, r):
- if r is None:
- return
+ def start(self, queue):
+ self.queue = queue
+ threading.Thread.start(self)
- method = r['method']
- params = r['params']
- result = r['result']
-
- if method == 'server.banner':
- self.wallet.banner = result
- self.wallet.was_updated = True
-
- elif method == 'server.peers.subscribe':
- servers = []
- for item in result:
- s = []
- host = item[1]
- ports = []
- version = None
- if len(item) > 2:
- for v in item[2]:
- if re.match("[stgh]\d+", v):
- ports.append((v[0], v[1:]))
- if re.match("v(.?)+", v):
- version = v[1:]
- if ports and version:
- servers.append((host, ports))
- self.interface.servers = servers
- # servers_loaded_callback is None for commands, but should
- # NEVER be None when using the GUI.
- if self.servers_loaded_callback is not None:
- self.servers_loaded_callback()
-
- elif method == 'blockchain.address.subscribe':
- addr = params[0]
- self.wallet.receive_status_callback(addr, result)
-
- elif method == 'blockchain.address.get_history':
- addr = params[0]
- self.wallet.receive_history_callback(addr, result)
- self.wallet.was_updated = True
-
- elif method == 'blockchain.transaction.broadcast':
- self.wallet.tx_result = result
- self.wallet.tx_event.set()
-
- elif method == 'blockchain.numblocks.subscribe':
- self.wallet.blocks = result
- self.wallet.was_updated = True
-
- elif method == 'server.version':
- pass
- else:
- print_error("Error: Unknown message:" + method + ", " + params + ", " + result)
+ def run(self):
+ 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)
- def start_interface(self):
- self.interface.start()
- if self.interface.is_connected:
- self.wallet.start_session(self.interface)
- def run(self):
- import socket, time
- self.start_interface()
- while True:
- while self.interface.is_connected:
- new_addresses = self.wallet.synchronize()
- if new_addresses:
- self.interface.subscribe(new_addresses)
-
- if self.interface.is_up_to_date():
- if not self.wallet.up_to_date:
- self.wallet.up_to_date = True
- self.wallet.was_updated = True
- self.wallet.up_to_date_event.set()
- else:
- if self.wallet.up_to_date:
- self.wallet.up_to_date = False
- self.wallet.was_updated = True
-
- if self.wallet.was_updated:
- self.wallet.trigger_callbacks()
- self.wallet.was_updated = False
-
- response = self.interface.responses.get()
- self.handle_response(response)
-
- self.wallet.trigger_callbacks()
- if self.loop:
- time.sleep(5)
- # Server has been changed. Copy callback for new interface.
- self.proxy = self.interface.proxy
- self.init_interface()
- self.start_interface()
- continue
- else:
- break
git://git.novaco.in / electrum-nvc.git / blobdiff