def normalize_bytes(value: Union[bytes, str]) -> bytes:
if is_bytes(value):
return cast(bytes, value)
elif is_text(value) and is_hex(value):
return decode_hex(cast(str, value))
elif is_text(value):
return b''
else:
raise TypeError("Value must be either a string or bytes object")
def normalize_int(value: IntConvertible) -> int:
"""
Robust to integer conversion, handling hex values, string representations,
and special cases like `0x`.
"""
if is_integer(value):
return cast(int, value)
elif is_bytes(value):
return big_endian_to_int(cast(bytes, value))
elif is_hex(value) and is_0x_prefixed(value):
value = cast(str, value)
if len(value) == 2:
return 0
else:
return int(value, 16)
elif is_string(value):
return int(value)
else:
raise TypeError(f"Unsupported type: Got `{type(value)}`")
def is_transaction_hash_list(value):
return all(is_bytes(item) for item in value)