def dump_uvarint64(value: int) -> bytearray:
# use known uint64 field in an all-optional message
msg = EosAsset(symbol=value)
length = protobuf.encoded_length(msg)
buffer = bytearray(length)
protobuf.encode(buffer, msg)
assert buffer[0] == (2 << 3) | 0 # field number 2, wire type 0
return buffer[1:]
def dump_uvarint32(value: int) -> bytearray:
# use known uint32 field in an all-optional message
msg = WebAuthnCredential(index=value)
length = protobuf.encoded_length(msg)
buffer = bytearray(length)
protobuf.encode(buffer, msg)
assert buffer[0] == (1 << 3) | 0 # field number 1, wire type 0
return buffer[1:]
async def write(self, msg: protobuf.MessageType) -> None:
if __debug__:
log.debug(
__name__,
"%s:%x write: %s",
self.iface.iface_num(),
self.sid,
msg.MESSAGE_NAME,
)
# cannot write message without wire type
assert msg.MESSAGE_WIRE_TYPE is not None
msg_size = protobuf.encoded_length(msg)
if msg_size <= len(self.buffer):
# reuse preallocated
buffer = self.buffer
else:
# message is too big, we need to allocate a new buffer
buffer = bytearray(msg_size)
msg_size = protobuf.encode(buffer, msg)
await codec_v1.write_message(
self.iface,
msg.MESSAGE_WIRE_TYPE,
memoryview(buffer)[:msg_size],
)
def dump_message(msg: protobuf.MessageType) -> bytearray:
length = protobuf.encoded_length(msg)
buffer = bytearray(length)
protobuf.encode(buffer, msg)
return buffer