full nodes compression ratio

mpt-node-compress.go

func main() {
	var node [16][]byte

	for i := 0; i < len(node); i++ {
		b := make([]byte, 32)
		rand.Read(b)
		node[i] = b
	}

	buf := bytes.NewBuffer(nil)

	for i := 0; i < 100; i++ {
		rlp.Encode(buf, node)
		src := buf.Bytes()
		enc := snappy.Encode(nil, src)
		fmt.Println("n =", i+1, "src = ", len(src), "enc = ", len(enc), "r = ", float64(len(enc))/float64(len(src)))
		rand.Read(node[rand.Intn(len(node))])
	}
}