mirrors/core-lightning
1
0
Fork 0
mirror of https://github.com/ElementsProject/lightning.git synced 2025-01-18 05:12:45 +01:00
Code Issues Projects Releases Wiki Activity

pyln: Adds one-liner docs to zbase32 functions

Browse Source
This commit is contained in:
Sergi Delgado Segura 2020-10-22 11:23:34 +02:00 committed by Christian Decker
parent 1da29305fc
commit 26f651f71f
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
contrib/pyln-proto/pyln/proto/zbase32.py
View File

@ -24,6 +24,7 @@ zbase32_revchars = [
def _message_to_bitarray(message): def _message_to_bitarray(message):
"""Encodes a message as a bitarray with length multiple of 5."""
barr = bitstring.ConstBitStream(message) barr = bitstring.ConstBitStream(message)
padding_len = 5 - (len(barr) % 5) padding_len = 5 - (len(barr) % 5)
if padding_len < 5: if padding_len < 5:
@ -33,6 +34,7 @@ def _message_to_bitarray(message):
def _bitarray_to_message(barr): def _bitarray_to_message(barr):
"""Decodes a bitarray with length multiple of 5 to a byte message (removing the padded zeros if found)."""
padding_len = len(barr) % 8 padding_len = len(barr) % 8
if padding_len > 0: if padding_len > 0:
return bitstring.Bits(bin=barr.bin[:-padding_len]).bytes return bitstring.Bits(bin=barr.bin[:-padding_len]).bytes
@ -41,6 +43,7 @@ def _bitarray_to_message(barr):
def _bitarray_to_u5(barr): def _bitarray_to_u5(barr):
"""Converts a bitarray in a list of uint5."""
ret = [] ret = []
while barr.pos != barr.len: while barr.pos != barr.len:
ret.append(barr.read(5).uint) ret.append(barr.read(5).uint)
@ -48,6 +51,7 @@ def _bitarray_to_u5(barr):
def _u5_to_bitarray(arr): def _u5_to_bitarray(arr):
"""Converts a list of uint5 values to a bitarray."""
ret = bitstring.BitArray() ret = bitstring.BitArray()
for a in arr: for a in arr:
ret += bitstring.pack("uint:5", a) ret += bitstring.pack("uint:5", a)
@ -55,6 +59,7 @@ def _u5_to_bitarray(arr):
def is_zbase32_encoded(message): def is_zbase32_encoded(message):
"""Checks if a message is zbase32 encoded."""
if isinstance(message, str): if isinstance(message, str):
message = message.encode("ASCII") message = message.encode("ASCII")
elif not isinstance(message, bytes): elif not isinstance(message, bytes):
@ -63,6 +68,7 @@ def is_zbase32_encoded(message):
def encode(message): def encode(message):
"""Encodes a message (str or bytes) to zbase32."""
if isinstance(message, str): if isinstance(message, str):
message = message.encode('ASCII') message = message.encode('ASCII')
elif not isinstance(message, bytes): elif not isinstance(message, bytes):
@ -75,6 +81,7 @@ def encode(message):
def decode(message): def decode(message):
"""Decodes a message (str or bytes) from zbase32."""
if isinstance(message, str): if isinstance(message, str):
message = message.encode('ASCII') message = message.encode('ASCII')
elif not isinstance(message, bytes): elif not isinstance(message, bytes):