def deserialize_IPv4_addr_from_version(cls, f):
# addr fields in the version message do NOT have a timestamp
services = bitcoinx.read_le_uint64(f.read)
reserved = f.read(12)
IPv4 = socket.inet_ntoa(f.read(4))
port = bitcoinx.read_le_uint16(f.read)
return {'services': services,
'IPv4': IPv4,
'port': port}
def deserialize_version(cls, f):
version = bitcoinx.read_le_int32(f.read)
services = bitcoinx.read_le_uint64(f.read)
timestamp = time.ctime(bitcoinx.read_le_int64(f.read))
addr_recv = cls.deserialize_IPv4_addr_from_version(f)
addr_from = cls.deserialize_IPv4_addr_from_version(f)
nonce = bitcoinx.read_le_uint64(f.read)
user_agent = bitcoinx.packing.read_varbytes(f.read)
start_height = bitcoinx.read_le_int32(f.read)
v = {'version': version,
'services': services,
'timestamp': timestamp,
'addr_recv': addr_recv,
'addr_from': addr_from,
'nonce': nonce,
'user_agent': user_agent,
'start_height': start_height}
return v
def deserialize_addr(cls, f):
count = bitcoinx.read_varint(f.read)
addresses = []
for i in range(count):
timestamp = time.ctime(bitcoinx.read_le_uint32(f.read))
services = bitcoinx.read_le_uint64(f.read)
reserved = f.read(12) # IPv6
IPv4 = socket.inet_ntoa(f.read(4))
port = bitcoinx.read_le_uint16(f.read)
addresses.append({'timestamp': timestamp,
'services': services,
'IPv4': IPv4,
'port': port})
return addresses # count not returned by choice
def deserialize_pong(cls, f):
nonce = bitcoinx.read_le_uint64(f.read)
return nonce