Ejemplo n.º 1
0
func HashFromTwoHashes(left []byte, right []byte) []byte {
	var n int64
	var err error
	var hasher = sha256.New()
	binary.WriteByteSlice(left, hasher, &n, &err)
	binary.WriteByteSlice(right, hasher, &n, &err)
	if err != nil {
		panic(err)
	}
	return hasher.Sum(nil)
}
Ejemplo n.º 2
0
func (s *State) Save() {
	s.accounts.Save()
	s.validatorInfos.Save()
	buf, n, err := new(bytes.Buffer), new(int64), new(error)
	binary.WriteUvarint(s.LastBlockHeight, buf, n, err)
	binary.WriteByteSlice(s.LastBlockHash, buf, n, err)
	binary.WriteBinary(s.LastBlockParts, buf, n, err)
	binary.WriteTime(s.LastBlockTime, buf, n, err)
	binary.WriteBinary(s.BondedValidators, buf, n, err)
	binary.WriteBinary(s.LastBondedValidators, buf, n, err)
	binary.WriteBinary(s.UnbondingValidators, buf, n, err)
	binary.WriteByteSlice(s.accounts.Hash(), buf, n, err)
	binary.WriteByteSlice(s.validatorInfos.Hash(), buf, n, err)
	if *err != nil {
		panic(*err)
	}
	s.DB.Set(stateKey, buf.Bytes())
}
Ejemplo n.º 3
0
// NOTE: sets hashes recursively
func (node *IAVLNode) writeToCountHashes(t *IAVLTree, w io.Writer) (n int64, hashCount uint64, err error) {
	// height & size & key
	binary.WriteUint8(node.height, w, &n, &err)
	binary.WriteUint64(node.size, w, &n, &err)
	t.keyCodec.Encode(node.key, w, &n, &err)
	if err != nil {
		return
	}

	if node.height == 0 {
		// value
		t.valueCodec.Encode(node.value, w, &n, &err)
	} else {
		// left
		if node.leftNode != nil {
			leftHash, leftCount := node.leftNode.hashWithCount(t)
			node.leftHash = leftHash
			hashCount += leftCount
		}
		if node.leftHash == nil {
			panic("node.leftHash was nil in save")
		}
		binary.WriteByteSlice(node.leftHash, w, &n, &err)
		// right
		if node.rightNode != nil {
			rightHash, rightCount := node.rightNode.hashWithCount(t)
			node.rightHash = rightHash
			hashCount += rightCount
		}
		if node.rightHash == nil {
			panic("node.rightHash was nil in save")
		}
		binary.WriteByteSlice(node.rightHash, w, &n, &err)
	}
	return
}