def load_uvarint32(data: bytes) -> int:
# use known uint32 field in an all-optional message
buffer = bytearray(len(data) + 1)
buffer[1:] = data
buffer[0] = (1 << 3) | 0 # field number 1, wire type 0
msg = protobuf.decode(buffer, WebAuthnCredential, False)
return msg.index
def load_uvarint64(data: bytes) -> int:
# use known uint64 field in an all-optional message
buffer = bytearray(len(data) + 1)
buffer[1:] = data
buffer[0] = (2 << 3) | 0 # field number 1, wire type 0
msg = protobuf.decode(buffer, EosAsset, False)
return msg.symbol
def _wrap_protobuf_load(
buffer: bytes,
expected_type: type[LoadedMessageType],
) -> LoadedMessageType:
try:
return protobuf.decode(buffer, expected_type, experimental_enabled)
except Exception as e:
if __debug__:
log.exception(__name__, e)
if e.args:
raise DataError("Failed to decode message: {}".format(e.args[0]))
else:
raise DataError("Failed to decode message")
def _wrap_protobuf_load(
buffer: bytes,
expected_type: type[LoadedMessageType],
) -> LoadedMessageType:
try:
msg = protobuf.decode(buffer, expected_type, experimental_enabled)
if __debug__ and utils.EMULATOR:
log.debug(
__name__, "received message contents:\n%s", utils.dump_protobuf(msg)
)
return msg
except Exception as e:
if __debug__:
log.exception(__name__, e)
if e.args:
raise DataError("Failed to decode message: " + " ".join(e.args))
else:
raise DataError("Failed to decode message")
def load_message(msg_type: Type[protobuf.MessageType],
buffer: bytes) -> protobuf.MessageType:
return protobuf.decode(buffer, msg_type, False)