def _patched_deser_version(f: BytesIO):
# This function taken from vv - expanded to have fRelay actually optional (LGPL v3)
# https://github.com/petertodd/python-bitcoinlib/blob/b5540e8a8a138f2a4872c34ce4223b8f4e6856d9/bitcoin/messages.py#L137-L162
c = messages.msg_version()
c.nVersion = struct.unpack(b"<i", ser_read(f, 4))[0]
if c.nVersion == 10300:
c.nVersion = 300
c.nServices = struct.unpack(b"<Q", ser_read(f, 8))[0]
c.nTime = struct.unpack(b"<q", ser_read(f, 8))[0]
c.addrTo = CAddress.stream_deserialize(f, True)
if c.nVersion >= 106:
c.addrFrom = CAddress.stream_deserialize(f, True)
c.nNonce = struct.unpack(b"<Q", ser_read(f, 8))[0]
c.strSubVer = VarStringSerializer.stream_deserialize(f)
if c.nVersion >= 209:
c.nStartingHeight = struct.unpack(b"<i", ser_read(f, 4))[0]
else:
c.nStartingHeight = None
else:
c.addrFrom = None
c.nNonce = None
c.strSubVer = None
c.nStartingHeight = None
if c.nVersion >= 70001:
relay_bytes = f.read(1)
# modified: fRelay is OPTIONAL for some reason, luckily it is the last field
if len(relay_bytes) == 1:
c.fRelay = struct.unpack(b"<B", relay_bytes)[0]
else:
c.fRelay = True
else:
c.fRelay = True
return c
def connection_mock(signed_transaction):
connection = MagicMock()
connection.getsockname.return_value = ('127.0.0.1', 8800)
connection.getpeername.return_value = ('127.0.0.1', 8800)
connection.getpeername.return_value = ('127.0.0.1', 8800)
protocol_version = 6002
version = msg_version(protocol_version).to_bytes()
verack = msg_verack(protocol_version).to_bytes()
getdata = msg_getdata(protocol_version)
getdata = getdata.msg_deser(BytesIO(b'\x01\x01\x00\x00\x00' + signed_transaction.tx.GetHash())).to_bytes()
connection.recv.side_effect = (
version + verack,
getdata,
)
capture = BitcoinTestNet.capture_messages
def capture_messages_mock(*args, **kwargs):
if msg_reject in args[1]:
return None
else:
return capture(*args, **kwargs)
with patch('socket.create_connection', return_value=connection):
with patch('socket.gethostbyname_ex', return_value=(None, None, ['127.0.0.1'])):
with patch.object(BitcoinTestNet, 'capture_messages', new=capture_messages_mock):
yield
def connect(self):
info('connecting to dashd')
self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.sock.connect((self.host, self.port))
self.sock.send(msg_version().to_bytes())
info('connected to dashd')
return self
def connect(self):
info('connecting to dashd')
self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.sock.connect((self.host, self.port))
self.sock.send(msg_version().to_bytes())
info('connected to dashd')
return self
def handshake(self):
# Send a "version" message to start the handshake
msg = msg_version()
# See BIP 111 (https://github.com/bitcoin/bips/blob/master/bip-0111.mediawiki)
msg.nVersion = 70011
msg.fRelay = False # If false then broadcast transactions will not be announced until a filter{load,add,clear} command is received
self.send_message(msg)
def _make_version_pkt(self): msg = msg_version() msg.nVersion = 70002 msg.addrTo.ip = self.link.ip msg.addrTo.port = self.link.port msg.addrFrom.ip = BitcoinSocket.client_ip msg.addrFrom.port = self.port return msg
def _make_version(self):
msg = messages.msg_version()
msg.nVersion = 70002
msg.addrTo.ip = self.ip
msg.addrTo.port = self.port
# Satoshi client does not fill addrFrom either ->
# https://github.com/bitcoin/bitcoin/blob/c2c4dbaebd955ad2829364f7fa5b8169ca1ba6b9/src/net_processing.cpp#L494
return msg
def version_pkt(server_ip, server_port, ipv4=True):
msg = msg_version()
msg.nVersion = 60002
msg.addrTo.ip = server_ip
msg.addrTo.port = server_port
msg.addrFrom.ip = my_ipv4 if ipv4 else my_ipv6
msg.addrFrom.port = my_port
return msg
def version_pkt(_client_ip, _server_ip):
msg = msg_version()
msg.nVersion = 70002
msg.addrTo.ip = _server_ip
msg.addrTo.port = PORT
msg.addrFrom.ip = _client_ip
msg.addrFrom.port = PORT
return msg
def version_pkt(client_ip, server_ip, port):
msg = msg_version()
msg.nVersion = 70002
msg.addrTo.ip = server_ip
msg.addrTo.port = port
msg.addrFrom.ip = client_ip
msg.addrFrom.port = port
return msg
def version_pkt(_client_ip, _server_ip):
msg = msg_version()
msg.nVersion = 70002
msg.addrTo.ip = _server_ip
msg.addrTo.port = PORT
msg.addrFrom.ip = _client_ip
msg.addrFrom.port = PORT
return msg
def sendVersionMessage(self):
#stuff version msg into sendbuf
vt = msg_version()
vt.addrTo.ip = self.dstaddr
vt.addrTo.port = self.dstport
vt.addrFrom.ip = "0.0.0.0"
vt.addrFrom.port = 0
vt.nStartingHeight = self.node.chaindb.getheight()
vt.strSubVer = MY_SUBVERSION
self.send_message(vt)
def sendVersionMessage(self):
#stuff version msg into sendbuf
vt = msg_version()
vt.addrTo.ip = self.dstaddr
vt.addrTo.port = self.dstport
vt.addrFrom.ip = "0.0.0.0"
vt.addrFrom.port = 0
vt.nStartingHeight = self.node.chaindb.getheight()
vt.strSubVer = MY_SUBVERSION
self.send_message(vt)
def btc_version_pkt(s, spoofed_ip):
c = msg_version()
c.nVersion = 70002
c.addrTo.ip = s.target_ip
c.addrTo.port = s.dport
c.addrFrom.ip = spoofed_ip
c.addrFrom.port = s.sport
return s.btc_add_magic(c)
def send_version(self, connection):
v = messages.msg_version()
v.addr_from = net.CAddress()
v.addr_from.ip = '127.0.0.1'
v.addr_from.port = 8333
v.addr_recv = net.CAddress()
v.addr_recv.ip = connection.host[0]
v.addr_recv.port = connection.host[1]
v.nStartingHeight = 0
connection.send('version', v)
def version_packet(self) -> bitcoin.messages.msg_version:
'''
Creating version package for a current network.
Returns:
bitcoin.messages.msg_version
'''
packet = msg_version(170002)
packet.addrFrom.ip, packet.addrFrom.port = self.connection.getsockname(
)
packet.addrTo.ip, packet.addrTo.port = self.connection.getpeername()
return packet
def _run(self):
self.log.info("Connecting to {}:{}"
.format(self.dstaddr, self.dstport))
try:
self.sock.connect((self.dstaddr, self.dstport))
except:
self.handle_close()
# stuff version msg into sendbuf
vt = messages.msg_version()
vt.addrTo.ip = self.dstaddr
vt.addrTo.port = self.dstport
vt.addrFrom.ip = "0.0.0.0"
vt.addrFrom.port = 0
if self.settings['spv']:
vt.nServices = 0
else:
vt.nServices = 1
vt.nStartingHeight = self.chaindb.getheight()
vt.strSubVer = MY_SUBVERSION
self.send_message(vt)
self.log.info("Connected to {}:{}"
.format(self.dstaddr, self.dstport))
try:
while True:
try:
t = self.sock.recv(8192)
if len(t) <= 0:
raise ValueError
except (IOError, ValueError):
self.handle_close()
return
self.recvbuf += t
self.got_data()
except Exception:
self.log.error(
"Connection to peer crashed! {}:{}, ver {}"
.format(self.dstaddr, self.dstport, self.ver_send), exc_info=True)
self.handle_close()
def __init__(self, dstaddr, dstport, log, peermgr, mempool,
chaindb: ChainDb):
Greenlet.__init__(self)
self.dstaddr = dstaddr
self.dstport = dstport
self.mempool = mempool
self.log = log
self.chaindb = chaindb
self.sock = gevent.socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.recvbuf = b""
self.ver_send = MIN_PROTO_VERSION
self.ver_recv = MIN_PROTO_VERSION
self.last_sent = 0
self.getblocks_ok = True
self.last_block_rx = time.time()
self.last_getblocks = 0
self.remote_height = -1
self.last_want = 0
self.addresses_seen = []
self.hash_continue = None
self.log.info("connecting")
try:
self.sock.connect((dstaddr, dstport))
except:
self.handle_close()
vt = msg_version()
vt.addrTo.ip = self.dstaddr
vt.addrTo.port = self.dstport
vt.addrFrom.ip = "0.0.0.0"
vt.addrFrom.port = 0
vt.nVersion = PROTO_VERSION
vt.nStartingHeight = 0
vt.strSubVer = MY_SUBVERSION
self.send_message(vt)
gevent.spawn(self.broadcast_listen)
def _run(self):
self.log.info("Connecting to {}:{}".format(self.dstaddr, self.dstport))
try:
self.sock.connect((self.dstaddr, self.dstport))
except:
self.handle_close()
# stuff version msg into sendbuf
vt = messages.msg_version()
vt.addrTo.ip = self.dstaddr
vt.addrTo.port = self.dstport
vt.addrFrom.ip = "0.0.0.0"
vt.addrFrom.port = 0
if self.settings['spv']:
vt.nServices = 0
else:
vt.nServices = 1
vt.nStartingHeight = self.chaindb.getheight()
vt.strSubVer = MY_SUBVERSION
self.send_message(vt)
self.log.info("Connected to {}:{}".format(self.dstaddr, self.dstport))
try:
while True:
try:
t = self.sock.recv(8192)
if len(t) <= 0:
raise ValueError
except (IOError, ValueError):
self.handle_close()
return
self.recvbuf += t
self.got_data()
except Exception:
self.log.error("Connection to peer crashed! {}:{}, ver {}".format(
self.dstaddr, self.dstport, self.ver_send),
exc_info=True)
self.handle_close()
def version_packet(self):
packet = msg_version(170002)
packet.addrFrom.ip, packet.addrFrom.port = self.connection.getsockname(
)
packet.addrTo.ip, packet.addrTo.port = self.connection.getpeername()
return packet
'24.17.108.172', \
'123.58.55.110', \
'136.227.111.41', \
'159.19.99.225', \
'69.207.178.52', \
'bitcoin.coinprism.com']
for HOST in HOSTS:
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.settimeout(1)
data = ""
try:
s.connect((HOST, PORT))
msg = msg_version()
s.send(msg.to_bytes())
data = s.recv(1024)
except socket.timeout:
print("Timeout")
except socket.error:
print("No clue but error")
if re.search("Satoshi", str(data)):
print(HOST, " Hurray! :)\n")
else:
print(HOST, " Boo! :(\n")
s.close()
'24.17.108.172', \
'123.58.55.110', \
'136.227.111.41', \
'159.19.99.225', \
'69.207.178.52', \
'bitcoin.coinprism.com']
for HOST in HOSTS:
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.settimeout(1)
data = ""
try:
s.connect((HOST, PORT))
msg = msg_version()
s.send(msg.to_bytes())
data = s.recv(1024)
except socket.timeout:
print("Timeout")
except socket.error:
print("No clue but error")
if re.search("Satoshi", str(data)):
print(HOST, " Hurray! :)\n")
else:
print(HOST, " Boo! :(\n")
s.close()
