Пример #1
0
func decodeShort(buf []byte) (node, error) {
	kbuf, rest, err := rlp.SplitString(buf)
	if err != nil {
		return nil, err
	}
	key := compactDecode(kbuf)
	if key[len(key)-1] == 16 {
		// value node
		val, _, err := rlp.SplitString(rest)
		if err != nil {
			return nil, fmt.Errorf("invalid value node: %v", err)
		}
		return shortNode{key, valueNode(val)}, nil
	}
	r, _, err := decodeRef(rest)
	if err != nil {
		return nil, wrapError(err, "val")
	}
	return shortNode{key, r}, nil
}
Пример #2
0
func decodeFull(buf []byte) (fullNode, error) {
	var n fullNode
	for i := 0; i < 16; i++ {
		cld, rest, err := decodeRef(buf)
		if err != nil {
			return n, wrapError(err, fmt.Sprintf("[%d]", i))
		}
		n[i], buf = cld, rest
	}
	val, _, err := rlp.SplitString(buf)
	if err != nil {
		return n, err
	}
	if len(val) > 0 {
		n[16] = valueNode(val)
	}
	return n, nil
}
Пример #3
0
func decodeFull(hash, buf, elems []byte) (fullNode, error) {
	n := fullNode{hash: hash}
	for i := 0; i < 16; i++ {
		cld, rest, err := decodeRef(elems)
		if err != nil {
			return n, wrapError(err, fmt.Sprintf("[%d]", i))
		}
		n.Children[i], elems = cld, rest
	}
	val, _, err := rlp.SplitString(elems)
	if err != nil {
		return n, err
	}
	if len(val) > 0 {
		n.Children[16] = valueNode(val)
	}
	return n, nil
}