addLengthPrefix static method
Adds length prefix to a message
Implementation
static Uint8List addLengthPrefix(Uint8List message) {
final lengthBytes = Uint8List(PREFIX_LENGTH)
..[0] = message.length >> 8
..[1] = message.length & 0xFF;
return Uint8List(PREFIX_LENGTH + message.length)
..setAll(0, lengthBytes)
..setAll(PREFIX_LENGTH, message);
}