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Merge pull request #2154 from omipheo/bip-0352-typing-return-annotations

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BIP352: complete return type annotations in bitcoin_utils
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Jon Atack
2026-05-12 09:19:51 -07:00
committed by GitHub
parent 9fce983a96 3b76c84d6f
commit fd250df396
1 changed files with 8 additions and 8 deletions
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16
bip-0352/bitcoin_utils.py
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@@ -3,10 +3,10 @@ import struct
from io import BytesIO from io import BytesIO
from ripemd160 import ripemd160 from ripemd160 import ripemd160
from secp256k1lab.secp256k1 import Scalar from secp256k1lab.secp256k1 import Scalar
from typing import Union from typing import List, Union
def from_hex(hex_string): def from_hex(hex_string: str) -> BytesIO:
"""Deserialize from a hex string representation (e.g. from RPC)""" """Deserialize from a hex string representation (e.g. from RPC)"""
return BytesIO(bytes.fromhex(hex_string)) return BytesIO(bytes.fromhex(hex_string))
@@ -15,15 +15,15 @@ def ser_uint32(u: int) -> bytes:
return u.to_bytes(4, "big") return u.to_bytes(4, "big")
def ser_uint256(u): def ser_uint256(u: int) -> bytes:
return u.to_bytes(32, 'little') return u.to_bytes(32, 'little')
def deser_uint256(f): def deser_uint256(f: BytesIO) -> int:
return int.from_bytes(f.read(32), 'little') return int.from_bytes(f.read(32), 'little')
def deser_txid(txid: str): def deser_txid(txid: str) -> bytes:
# recall that txids are serialized little-endian, but displayed big-endian # recall that txids are serialized little-endian, but displayed big-endian
# this means when converting from a human readable hex txid, we need to first # this means when converting from a human readable hex txid, we need to first
# reverse it before deserializing it # reverse it before deserializing it
@@ -31,7 +31,7 @@ def deser_txid(txid: str):
return bytes.fromhex(dixt) return bytes.fromhex(dixt)
def deser_compact_size(f: BytesIO): def deser_compact_size(f: BytesIO) -> int:
view = f.getbuffer() view = f.getbuffer()
nbytes = view.nbytes nbytes = view.nbytes
view.release() view.release()
@@ -48,12 +48,12 @@ def deser_compact_size(f: BytesIO):
return nit return nit
def deser_string(f: BytesIO): def deser_string(f: BytesIO) -> bytes:
nit = deser_compact_size(f) nit = deser_compact_size(f)
return f.read(nit) return f.read(nit)
def deser_string_vector(f: BytesIO): def deser_string_vector(f: BytesIO) -> List[bytes]:
nit = deser_compact_size(f) nit = deser_compact_size(f)
r = [] r = []
for _ in range(nit): for _ in range(nit):