protected override void Encode(IChannelHandlerContext context, BigInteger message, List <object> output)
{
context.NotNull(nameof(context));
output.NotNull(nameof(output));
var buffer = context.Allocator.Buffer();
//https://msdn.microsoft.com/en-us/library/system.numerics.biginteger.tobytearray(v=vs.110).aspx
//BigInteger.ToByteArray() return a Little-Endian bytes
//IByteBuffer is Big-Endian by default
var data = message.ToByteArray();
buffer.WriteByte((byte)'F');
buffer.WriteInt(data.Length);
buffer.WriteBytes(data);
output.Add(buffer);
}
