/usr/lib/python3/dist-packages/bitcoin/net.py is in python3-bitcoinlib 0.9.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 | # Copyright (C) 2012-2014 The python-bitcoinlib developers
#
# This file is part of python-bitcoinlib.
#
# It is subject to the license terms in the LICENSE file found in the top-level
# directory of this distribution.
#
# No part of python-bitcoinlib, including this file, may be copied, modified,
# propagated, or distributed except according to the terms contained in the
# LICENSE file.
from __future__ import absolute_import, division, print_function, unicode_literals
import struct
import socket
from bitcoin.core.serialize import (
Serializable,
VarStringSerializer,
intVectorSerializer,
ser_read,
uint256VectorSerializer,
)
from bitcoin.core import b2lx
PROTO_VERSION = 60002
CADDR_TIME_VERSION = 31402
IPV4_COMPAT = b"\x00" * 10 + b"\xff" * 2
class CAddress(Serializable):
def __init__(self, protover=PROTO_VERSION):
self.protover = protover
self.nTime = 0
self.nServices = 1
self.pchReserved = IPV4_COMPAT
self.ip = "0.0.0.0"
self.port = 0
@classmethod
def stream_deserialize(cls, f, without_time=False):
c = cls()
if c.protover >= CADDR_TIME_VERSION and not without_time:
c.nTime = struct.unpack(b"<I", ser_read(f, 4))[0]
c.nServices = struct.unpack(b"<Q", ser_read(f, 8))[0]
packedIP = ser_read(f, 16)
if bytes(packedIP[0:12]) == IPV4_COMPAT: # IPv4
c.ip = socket.inet_ntop(socket.AF_INET, packedIP[12:16])
else: #IPv6
c.ip = socket.inet_ntop(socket.AF_INET6, packedIP)
c.port = struct.unpack(b">H", ser_read(f, 2))[0]
return c
def stream_serialize(self, f, without_time=False):
if self.protover >= CADDR_TIME_VERSION and not without_time:
f.write(struct.pack(b"<I", self.nTime))
f.write(struct.pack(b"<Q", self.nServices))
if ":" in self.ip: # determine if address is IPv6
f.write(socket.inet_pton(socket.AF_INET6, self.ip))
else:
f.write(self.pchReserved)
f.write(socket.inet_pton(socket.AF_INET, self.ip))
f.write(struct.pack(b">H", self.port))
def __repr__(self):
return "CAddress(nTime=%d nServices=%i ip=%s port=%i)" % (self.nTime, self.nServices, self.ip, self.port)
class CInv(Serializable):
typemap = {
0: "Error",
1: "TX",
2: "Block",
3: "FilteredBlock",
4: "CompactBlock"}
def __init__(self):
self.type = 0
self.hash = 0
@classmethod
def stream_deserialize(cls, f):
c = cls()
c.type = struct.unpack(b"<i", ser_read(f, 4))[0]
c.hash = ser_read(f, 32)
return c
def stream_serialize(self, f):
f.write(struct.pack(b"<i", self.type))
f.write(self.hash)
def __repr__(self):
return "CInv(type=%s hash=%s)" % (self.typemap[self.type], b2lx(self.hash))
class CBlockLocator(Serializable):
def __init__(self, protover=PROTO_VERSION):
self.nVersion = protover
self.vHave = []
@classmethod
def stream_deserialize(cls, f):
c = cls()
c.nVersion = struct.unpack(b"<i", ser_read(f, 4))[0]
c.vHave = uint256VectorSerializer.stream_deserialize(f)
return c
def stream_serialize(self, f):
f.write(struct.pack(b"<i", self.nVersion))
uint256VectorSerializer.stream_serialize(self.vHave, f)
def __repr__(self):
return "CBlockLocator(nVersion=%i vHave=%s)" % (self.nVersion, repr(self.vHave))
class CUnsignedAlert(Serializable):
def __init__(self):
self.nVersion = 1
self.nRelayUntil = 0
self.nExpiration = 0
self.nID = 0
self.nCancel = 0
self.setCancel = []
self.nMinVer = 0
self.nMaxVer = 0
self.setSubVer = []
self.nPriority = 0
self.strComment = b""
self.strStatusBar = b""
self.strReserved = b""
@classmethod
def stream_deserialize(cls, f):
c = cls()
c.nVersion = struct.unpack(b"<i", ser_read(f,4))[0]
c.nRelayUntil = struct.unpack(b"<q", ser_read(f,8))[0]
c.nExpiration = struct.unpack(b"<q", ser_read(f,8))[0]
c.nID = struct.unpack(b"<i", ser_read(f,4))[0]
c.nCancel = struct.unpack(b"<i", ser_read(f,4))[0]
c.setCancel = intVectorSerializer.deserialize(f)
c.nMinVer = struct.unpack(b"<i", ser_read(f,4))[0]
c.nMaxVer = struct.unpack(b"<i", ser_read(f,4))[0]
c.setSubVer = intVectorSerializer.deserialize(f)
c.nPriority = struct.unpack(b"<i", ser_read(f,4))[0]
c.strComment = VarStringSerializer.deserialize(f)
c.strStatusBar = VarStringSerializer.deserialize(f)
c.strReserved = VarStringSerializer.deserialize(f)
return c
def stream_serialize(self, f):
f.write(struct.pack(b"<i", self.nVersion))
f.write(struct.pack(b"<q", self.nRelayUntil))
f.write(struct.pack(b"<q", self.nExpiration))
f.write(struct.pack(b"<i", self.nID))
f.write(struct.pack(b"<i", self.nCancel))
f.write(intVectorSerializer.serialize(self.setCancel))
f.write(struct.pack(b"<i", self.nMinVer))
f.write(struct.pack(b"<i", self.nMaxVer))
f.write(intVectorSerializer.serialize(self.setSubVer))
f.write(struct.pack(b"<i", self.nPriority))
f.write(VarStringSerializer.serialize(self.strComment))
f.write(VarStringSerializer.serialize(self.strStatusBar))
f.write(VarStringSerializer.serialize(self.strReserved))
def __repr__(self):
return "CUnsignedAlert(nVersion %d, nRelayUntil %d, nExpiration %d, nID %d, nCancel %d, nMinVer %d, nMaxVer %d, nPriority %d, strComment %s, strStatusBar %s, strReserved %s)" % (self.nVersion, self.nRelayUntil, self.nExpiration, self.nID, self.nCancel, self.nMinVer, self.nMaxVer, self.nPriority, self.strComment, self.strStatusBar, self.strReserved)
class CAlert(Serializable):
def __init__(self):
self.vchMsg = b""
self.vchSig = b""
@classmethod
def stream_deserialize(cls, f):
c = cls()
c.vchMsg = VarStringSerializer.stream_deserialize(f)
c.vchSig = VarStringSerializer.stream_deserialize(f)
return c
def stream_serialize(self, f):
VarStringSerializer.stream_serialize(self.vchMsg, f)
VarStringSerializer.stream_serialize(self.vchSig, f)
def __repr__(self):
return "CAlert(vchMsg.sz %d, vchSig.sz %d)" % (len(self.vchMsg), len(self.vchSig))
__all__ = (
'PROTO_VERSION',
'CADDR_TIME_VERSION',
'CAddress',
'CInv',
'CBlockLocator',
'CUnsignedAlert',
'CAlert',
)
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