Example #1
0
func TestEmptyTrie(t *testing.T) {
	trie := NewEmpty()
	res := trie.Hash()
	exp := crypto.Sha3(common.Encode(""))
	if !bytes.Equal(res, exp) {
		t.Errorf("expected %x got %x", exp, res)
	}
}
Example #2
0
func (self *Trie) Hash() []byte {
	var hash []byte
	if self.root != nil {
		t := self.root.Hash()
		if byts, ok := t.([]byte); ok && len(byts) > 0 {
			hash = byts
		} else {
			hash = crypto.Sha3(common.Encode(self.root.RlpData()))
		}
	} else {
		hash = crypto.Sha3(common.Encode(""))
	}

	if !bytes.Equal(hash, self.roothash) {
		self.revisions.PushBack(self.roothash)
		self.roothash = hash
	}

	return hash
}
Example #3
0
func (self *Trie) store(node Node) interface{} {
	data := common.Encode(node)
	if len(data) >= 32 {
		key := crypto.Sha3(data)
		if node.Dirty() {
			//fmt.Println("save", node)
			//fmt.Println()
			self.cache.Put(key, data)
		}

		return key
	}

	return node.RlpData()
}
Example #4
0
// State object encoding methods
func (c *StateObject) RlpEncode() []byte {
	return common.Encode([]interface{}{c.nonce, c.balance, c.Root(), c.CodeHash()})
}