lnbits-exts/nostrclient
1
0
Fork 0
Code Issues Pull requests Projects Releases 1 Packages Wiki Activity Actions

Stabilize (#24)

Browse source 
* refactor: clean-up

* refactor: extra logs plus try-catch

* refactor: do not use bare `except`

* refactor: clean-up redundant fields

* chore: pass code checks

* chore: code format

* refactor: code clean-up

* fix: refactoring stuff

* refactor: remove un-used file

* chore: code clean-up

* chore: code clean-up

* chore: code-format fix

* refactor: remove nostr.client wrapper

* refactor: code clean-up

* chore: code format

* refactor: remove `RelayList` class

* refactor: extract smaller methods with try-catch

* fix: better exception handling

* fix: remove redundant filters

* fix: simplify event

* chore: code format

* fix: code check

* fix: code check

* fix: simplify `REQ`

* fix: more clean-ups

* refactor: use simpler method

* refactor: re-order and rename

* fix: stop logic

* fix: subscription close before disconnect

* chore: play commit
This commit is contained in:
Vlad Stan 2023-11-01 17:46:42 +02:00 • committed by GitHub
parent ab185bd2c4
commit 16ae9d15a1
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
20 changed files with 522 additions and 717 deletions
Download patch file Download diff file Expand all files Collapse all files

32
nostr/bech32.py
View file

@ -26,19 +26,22 @@ from enum import Enum
class Encoding(Enum):
"""Enumeration type to list the various supported encodings."""
BECH32 = 1
BECH32M = 2
CHARSET = "qpzry9x8gf2tvdw0s3jn54khce6mua7l"
BECH32M_CONST = 0x2bc830a3
BECH32M_CONST = 0x2BC830A3
def bech32_polymod(values):
"""Internal function that computes the Bech32 checksum."""
generator = [0x3b6a57b2, 0x26508e6d, 0x1ea119fa, 0x3d4233dd, 0x2a1462b3]
generator = [0x3B6A57B2, 0x26508E6D, 0x1EA119FA, 0x3D4233DD, 0x2A1462B3]
chk = 1
for value in values:
top = chk >> 25
chk = (chk & 0x1ffffff) << 5 ^ value
chk = (chk & 0x1FFFFFF) << 5 ^ value
for i in range(5):
chk ^= generator[i] if ((top >> i) & 1) else 0
return chk
@ -58,6 +61,7 @@ def bech32_verify_checksum(hrp, data):
return Encoding.BECH32M
return None
def bech32_create_checksum(hrp, data, spec):
"""Compute the checksum values given HRP and data."""
values = bech32_hrp_expand(hrp) + data
@ -69,26 +73,29 @@ def bech32_create_checksum(hrp, data, spec):
def bech32_encode(hrp, data, spec):
"""Compute a Bech32 string given HRP and data values."""
combined = data + bech32_create_checksum(hrp, data, spec)
return hrp + '1' + ''.join([CHARSET[d] for d in combined])
return hrp + "1" + "".join([CHARSET[d] for d in combined])
def bech32_decode(bech):
"""Validate a Bech32/Bech32m string, and determine HRP and data."""
if ((any(ord(x) < 33 or ord(x) > 126 for x in bech)) or
(bech.lower() != bech and bech.upper() != bech)):
if (any(ord(x) < 33 or ord(x) > 126 for x in bech)) or (
bech.lower() != bech and bech.upper() != bech
):
return (None, None, None)
bech = bech.lower()
pos = bech.rfind('1')
pos = bech.rfind("1")
if pos < 1 or pos + 7 > len(bech) or len(bech) > 90:
return (None, None, None)
if not all(x in CHARSET for x in bech[pos+1:]):
if not all(x in CHARSET for x in bech[pos + 1 :]):
return (None, None, None)
hrp = bech[:pos]
data = [CHARSET.find(x) for x in bech[pos+1:]]
data = [CHARSET.find(x) for x in bech[pos + 1 :]]
spec = bech32_verify_checksum(hrp, data)
if spec is None:
return (None, None, None)
return (hrp, data[:-6], spec)
def convertbits(data, frombits, tobits, pad=True):
"""General power-of-2 base conversion."""
acc = 0
@ -124,7 +131,12 @@ def decode(hrp, addr):
return (None, None)
if data[0] == 0 and len(decoded) != 20 and len(decoded) != 32:
return (None, None)
if data[0] == 0 and spec != Encoding.BECH32 or data[0] != 0 and spec != Encoding.BECH32M:
if (
data[0] == 0
and spec != Encoding.BECH32
or data[0] != 0
and spec != Encoding.BECH32M
):
return (None, None)
return (data[0], decoded)