# along with this program. If not, see <http://www.gnu.org/licenses/>.
-import random, socket, ast, re
+import random, socket, ast, re, ssl
import threading, traceback, sys, time, json, Queue
-from version import ELECTRUM_VERSION
+from version import ELECTRUM_VERSION, PROTOCOL_VERSION
+from util import print_error
+
DEFAULT_TIMEOUT = 5
-DEFAULT_SERVERS = [ 'ecdsa.org:50001:t', 'electrum.novit.ro:50001:t', 'electrum.bitcoins.sk:50001:t'] # list of default servers
+DEFAULT_SERVERS = [
+ #'electrum.bitcoins.sk:50001:t',
+ #'uncle-enzo.info:50001:t',
+ #'electrum.bitfoo.org:50001:t',
+ #'webbtc.net:50001:t',
+ 'electrum.bitcoin.cz:50001:t',
+ 'electrum.novit.ro:50001:t',
+ 'electrum.be:50001:t',
+ 'electrum.bysh.me:50001:t',
+ 'electrum.pdmc.net:50001:t',
+ 'electrum.no-ip.org:50001:t',
+ 'ecdsa.org:50001:t'
+ ]
+
+proxy_modes = ['socks4', 'socks5', 'http']
+
+
+def pick_random_server():
+ return random.choice( DEFAULT_SERVERS )
-def old_to_new(s):
- s = s.replace("'blk_hash'", "'block_hash'")
- s = s.replace("'pos'", "'index'")
- s = s.replace("'nTime'", "'timestamp'")
- s = s.replace("'is_in'", "'is_input'")
- s = s.replace("'raw_scriptPubKey'","'raw_output_script'")
- return s
class Interface(threading.Thread):
- def __init__(self, host, port):
- threading.Thread.__init__(self)
- self.daemon = True
- self.host = host
- self.port = port
- self.servers = [] # actual list from IRC
- self.rtime = 0
+ def register_callback(self, event, callback):
+ with self.lock:
+ if not self.callbacks.get(event):
+ self.callbacks[event] = []
+ self.callbacks[event].append(callback)
- self.is_connected = True
+ 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.poll_interval = 1
#json
self.message_id = 0
- self.responses = Queue.Queue()
self.unanswered_requests = {}
- 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):
- #print "<--",c
+ # uncomment to debug
+ # 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.peers.subscribe':
+ servers = {}
+ for item in result:
+ s = []
+ host = item[1]
+ ports = []
+ version = None
+ pruning = False
+ if len(item) > 2:
+ for v in item[2]:
+ if re.match("[stgh]\d+", v):
+ ports.append((v[0], v[1:]))
+ elif re.match("v(.?)+", v):
+ version = v[1:]
+ elif v == 'p':
+ pruning = True
+ try:
+ is_recent = float(version)>=float(PROTOCOL_VERSION)
+ except:
+ is_recent = False
+ if ports and is_recent:
+ servers[host] = {'ports':ports, 'pruning':pruning}
+ self.servers = servers
+ 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({'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):
+ return self.responses[channel].get(block, timeout)
+ def register_channel(self, channel):
+ with self.lock:
+ self.responses[channel] = Queue.Queue()
+ def poke(self, channel):
+ self.responses[channel].put(None)
-class PollingInterface(Interface):
- """ non-persistent connection. synchronous calls"""
- def __init__(self, host, port):
- Interface.__init__(self, host, port)
+ 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 = ('https' if self.use_ssl else 'http') + '://%s:%d'%( self.host, self.port )
+ self.is_connected = True
- def get_history(self, address):
- self.send([('blockchain.address.get_history', [address] )])
-
- def poll(self):
- pass
- #if is_new or wallet.remote_url:
- # self.was_updated = True
- # is_new = wallet.synchronize()
- # wallet.update_tx_history()
- # wallet.save()
- # return is_new
- #else:
- # return False
-
- def run(self):
+ def run_http(self):
self.is_connected = True
while self.is_connected:
try:
break
self.is_connected = False
- self.poke()
-
-
-
-
-
-
-
-class HttpStratumInterface(PollingInterface):
-
def poll(self):
self.send([])
- def send(self, messages):
+
+ def send_http(self, messages, channel='default'):
import urllib2, json, time, cookielib
+
+ if self.proxy:
+ import socks
+ socks.setdefaultproxy(proxy_modes.index(self.proxy["mode"]) + 1, self.proxy["host"], int(self.proxy["port"]) )
+ socks.wrapmodule(urllib2)
cj = cookielib.CookieJar()
opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cj))
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
- 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)
+ req = urllib2.Request(self.connection_msg, data_json, headers)
response_stream = urllib2.urlopen(req)
for index, cookie in enumerate(cj):
self.session_id = cookie.value
response = response_stream.read()
+ self.bytes_received += len(response)
if response:
response = json.loads( response )
if type(response) is not type([]):
-class TcpStratumInterface(Interface):
- """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):
- Interface.__init__(self, host, port)
+ global proxy_modes
+ self.connection_msg = "%s:%d"%(self.host,self.port)
+ if self.proxy is None:
+ s = socket.socket( socket.AF_INET, socket.SOCK_STREAM )
+ else:
+ 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"]) + 1, self.proxy["host"], int(self.proxy["port"]) )
+
+ if self.use_ssl:
+ s = ssl.wrap_socket(s, ssl_version=ssl.PROTOCOL_SSLv23)
+
+ s.settimeout(2)
+ s.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
- def init_socket(self):
- self.s = socket.socket( socket.AF_INET, socket.SOCK_STREAM )
- self.s.settimeout(5*60)
- self.s.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
try:
- self.s.connect(( self.host, self.port))
+ 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])])
- print "Connected to %s:%d"%(self.host,self.port)
except:
self.is_connected = False
- print "Not connected"
+ self.s = None
- def run(self):
+
+ def run_tcp(self):
try:
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
+
+ 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
- #print "-->",request
+ self.unanswered_requests[self.message_id] = method, params, channel
+ ids.append(self.message_id)
+ # uncomment to debug
+ # print "-->",request
self.message_id += 1
out += request + '\n'
- self.s.send( out )
-
- def get_history(self, addr):
- self.send([('blockchain.address.get_history', [addr])])
-
+ 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
+ return ids
+ def __init__(self, config=None, loop=False):
+ self.server = None
+ self.proxy = None
-class WalletSynchronizer(threading.Thread):
+ if config is None:
+ from simple_config import SimpleConfig
+ config = SimpleConfig()
- def __init__(self, wallet, loop=False):
threading.Thread.__init__(self)
self.daemon = True
- self.wallet = wallet
self.loop = loop
- self.init_interface()
+ 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
+
+
def init_interface(self):
- try:
- host, port, protocol = self.wallet.server.split(':')
- port = int(port)
- except:
- self.wallet.pick_random_server()
- host, port, protocol = self.wallet.server.split(':')
- port = int(port)
+ if self.config.get('server'):
+ self.init_with_server(self.config)
+ else:
+ print "Using random server..."
+ servers = DEFAULT_SERVERS[:]
+ while servers:
+ server = random.choice( servers )
+ servers.remove(server)
+ self.config.set_key('server', server, False)
+ self.init_with_server(self.config)
+ if self.is_connected: break
+
+ if not servers:
+ print 'no server available'
+ self.is_connected = False
+ self.connect_event.set() # to finish start
+ self.server = 'ecdsa.org:50001:t'
+ self.proxy = None
+ return
+
+ self.connect_event.set()
+ if self.is_connected:
+ self.send([('server.version', [ELECTRUM_VERSION, PROTOCOL_VERSION])])
+ self.trigger_callback('connected')
+ else:
+ self.trigger_callback('notconnected')
+ #print_error("Failed to connect " + self.connection_msg)
+
+
+ def init_with_server(self, config):
+
+ s = config.get('server')
+ host, port, protocol = s.split(':')
+ port = int(port)
+
+ self.protocol = protocol
+ proxy = self.parse_proxy_options(config.get('proxy'))
+ self.server = host + ':%d:%s'%(port, protocol)
#print protocol, host, port
- if protocol == 't':
- InterfaceClass = TcpStratumInterface
- elif protocol == 'h':
- InterfaceClass = HttpStratumInterface
+ if protocol in 'st':
+ self.init_tcp(host, port, proxy, use_ssl=(protocol=='s'))
+ elif protocol in 'gh':
+ self.init_http(host, port, proxy, use_ssl=(protocol=='g'))
else:
- print "unknown protocol"
- InterfaceClass = TcpStratumInterface
+ raise BaseException('Unknown protocol: %s'%protocol)
- self.interface = InterfaceClass(host, port)
- self.wallet.interface = self.interface
+ def send(self, messages, channel='default'):
- def handle_response(self, r):
- if r is None:
- return
+ sub = []
+ for message in messages:
+ m, v = message
+ if m[-10:] == '.subscribe':
+ sub.append(message)
- 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 = []
- if len(item)>2:
- for v in item[2]:
- if re.match("[th]\d+",v):
- ports.append((v[0],v[1:]))
- if ports:
- servers.append( (host, ports) )
- self.interface.servers = servers
-
- 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
-
- elif method == 'server.version':
- pass
+ 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 self.protocol in 'st':
+ with self.lock:
+ out = self.send_tcp(messages, channel)
else:
- print "unknown message:", method, params, result
-
-
- def start_interface(self):
- self.interface.init_socket()
- self.interface.start()
- if self.interface.is_connected:
- self.wallet.start_session(self.interface)
+ # do not use lock, http is synchronous
+ out = self.send_http(messages, channel)
+
+ 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
+ if type(s) != type(""): return None
+ if s.lower() == 'none': return None
+ proxy = { "mode":"socks5", "host":"localhost" }
+ args = s.split(':')
+ n = 0
+ if proxy_modes.count(args[n]) == 1:
+ proxy["mode"] = args[n]
+ n += 1
+ if len(args) > n:
+ proxy["host"] = args[n]
+ n += 1
+ if len(args) > n:
+ proxy["port"] = args[n]
+ else:
+ proxy["port"] = "8080" if proxy["mode"] == "http" else "1080"
+ return proxy
+
+
+ def set_server(self, server, proxy=None):
+ # raise an error if the format isnt correct
+ a,b,c = server.split(':')
+ b = int(b)
+ assert c in 'stgh'
+ # set the server
+ if server != self.server or proxy != self.proxy:
+ print "changing server:", server, proxy
+ self.server = server
+ self.proxy = proxy
+ if 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.trigger_callback('disconnecting') # for actively disconnecting
+
+ def stop(self):
+ if self.protocol in 'st' and self.s:
+ self.s.shutdown(socket.SHUT_RDWR)
+ self.s.close()
+
+
+ def get_servers_list(self):
+ plist = {}
+ if not self.servers:
+ servers_list = {}
+ for x in DEFAULT_SERVERS:
+ h,port,protocol = x.split(':')
+ servers_list[h] = {'ports':[(protocol,port)]}
+ 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
+ def is_empty(self, channel):
+ q = self.responses.get(channel)
+ if q:
+ return q.empty()
+ else:
+ return True
+
+
+ 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 is_up_to_date(self, channel):
+ return self.is_empty(channel) and not self.get_pending_requests(channel)
+
+
+ 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
+
+
+ def start(self):
+ threading.Thread.start(self)
+ # wait until connection is established
+ self.connect_event.wait()
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.wallet.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.gui_callback()
- self.wallet.was_updated = False
-
- response = self.interface.responses.get()
- self.handle_response(response)
-
- self.wallet.gui_callback()
- if self.loop:
- time.sleep(5)
- self.init_interface()
- self.start_interface()
- continue
- else:
- break
+ self.init_interface()
+ if self.is_connected:
+ self.resend_subscriptions()
+ self.run_tcp() if self.protocol in 'st' else self.run_http()
+
+ self.trigger_callback('disconnected')
+
+ if not self.loop: break
+ time.sleep(5)
git://git.novaco.in / electrum-nvc.git / blobdiff