Bitmessage/PyBitmessage-2024-12-19
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Make addresses module available for testing with python3:

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- remove import from debug
 - use divmod and bytes
This commit is contained in:
Dmitri Bogomolov 2021-02-02 21:28:08 +02:00 committed by Muzahid
parent ea6f23e596
commit 28a602536f
Signed by untrusted user: cis-muzahid
GPG Key ID: 1DC85E7D3AB613EA
1 changed files with 13 additions and 12 deletions
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25
src/addresses.py
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@ -3,10 +3,12 @@ Operations with addresses
"""
# pylint: disable=redefined-outer-name,inconsistent-return-statements
import hashlib
import logging
from binascii import hexlify, unhexlify
from struct import pack, unpack
from debug import logger
logger = logging.getLogger('default')
ALPHABET = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"
@ -23,8 +25,7 @@ def encodeBase58(num, alphabet=ALPHABET):
arr = []
base = len(alphabet)
while num:
rem = num % base
num = num // base
num, rem = divmod(num, base)
arr.append(alphabet[rem])
arr.reverse()
return ''.join(arr)
@ -148,16 +149,16 @@ def encodeAddress(version, stream, ripe):
'Programming error in encodeAddress: The length of'
' a given ripe hash was not 20.'
)
if ripe[:2] == '\x00\x00':
if ripe[:2] == b'\x00\x00':
ripe = ripe[2:]
elif ripe[:1] == '\x00':
elif ripe[:1] == b'\x00':
ripe = ripe[1:]
elif version == 4:
if len(ripe) != 20:
raise Exception(
'Programming error in encodeAddress: The length of'
' a given ripe hash was not 20.')
ripe = ripe.lstrip('\x00')
ripe = ripe.lstrip(b'\x00')
storedBinaryData = encodeVarint(version) + encodeVarint(stream) + ripe
@ -191,8 +192,8 @@ def decodeAddress(address):
status = 'invalidcharacters'
return status, 0, 0, ''
# after converting to hex, the string will be prepended
# with a 0x and appended with a L
hexdata = hex(integer)[2:-1]
# with a 0x and appended with a L in python2
hexdata = hex(integer)[2:].rstrip('L')
if len(hexdata) % 2 != 0:
hexdata = '0' + hexdata
@ -242,13 +243,13 @@ def decodeAddress(address):
data[bytesUsedByVersionNumber + bytesUsedByStreamNumber:-4]
if len(embeddedRipeData) == 19:
return status, addressVersionNumber, streamNumber, \
'\x00' + embeddedRipeData
b'\x00' + embeddedRipeData
elif len(embeddedRipeData) == 20:
return status, addressVersionNumber, streamNumber, \
embeddedRipeData
elif len(embeddedRipeData) == 18:
return status, addressVersionNumber, streamNumber, \
'\x00\x00' + embeddedRipeData
b'\x00\x00' + embeddedRipeData
elif len(embeddedRipeData) < 18:
return 'ripetooshort', 0, 0, ''
elif len(embeddedRipeData) > 20:
@ -257,7 +258,7 @@ def decodeAddress(address):
elif addressVersionNumber == 4:
embeddedRipeData = \
data[bytesUsedByVersionNumber + bytesUsedByStreamNumber:-4]
if embeddedRipeData[0:1] == '\x00':
if embeddedRipeData[0:1] == b'\x00':
# In order to enforce address non-malleability, encoded
# RIPE data must have NULL bytes removed from the front
return 'encodingproblem', 0, 0, ''
@ -265,7 +266,7 @@ def decodeAddress(address):
return 'ripetoolong', 0, 0, ''
elif len(embeddedRipeData) < 4:
return 'ripetooshort', 0, 0, ''
x00string = '\x00' * (20 - len(embeddedRipeData))
x00string = b'\x00' * (20 - len(embeddedRipeData))
return status, addressVersionNumber, streamNumber, \
x00string + embeddedRipeData