Roy Crihfield
7381b35dc6
* use logrus instead of geth log * remove benchmarks * impl NodeIterator.ParentPath * update go mods
698 lines
22 KiB
Go
698 lines
22 KiB
Go
// Copyright 2014 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package trie
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import (
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"bytes"
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"encoding/binary"
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"errors"
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"fmt"
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"math/big"
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"math/rand"
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"reflect"
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"testing"
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"testing/quick"
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"github.com/davecgh/go-spew/spew"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/rawdb"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/rlp"
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)
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func init() {
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spew.Config.Indent = " "
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spew.Config.DisableMethods = false
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}
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func TestEmptyTrie(t *testing.T) {
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trie := NewEmpty(NewDatabase(rawdb.NewMemoryDatabase()))
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res := trie.Hash()
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exp := types.EmptyRootHash
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if res != exp {
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t.Errorf("expected %x got %x", exp, res)
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}
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}
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func TestNull(t *testing.T) {
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trie := NewEmpty(NewDatabase(rawdb.NewMemoryDatabase()))
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key := make([]byte, 32)
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value := []byte("test")
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trie.Update(key, value)
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if !bytes.Equal(trie.Get(key), value) {
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t.Fatal("wrong value")
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}
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}
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func TestMissingRoot(t *testing.T) {
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root := common.HexToHash("0beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33")
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trie, err := NewAccountTrie(TrieID(root), NewDatabase(rawdb.NewMemoryDatabase()))
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if trie != nil {
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t.Error("New returned non-nil trie for invalid root")
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}
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if _, ok := err.(*MissingNodeError); !ok {
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t.Errorf("New returned wrong error: %v", err)
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}
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}
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func TestMissingNodeMemonly(t *testing.T) { testMissingNode(t, true) }
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func testMissingNode(t *testing.T, memonly bool) {
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diskdb := rawdb.NewMemoryDatabase()
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triedb := NewDatabase(diskdb)
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trie := NewEmpty(triedb)
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updateString(trie, "120000", "qwerqwerqwerqwerqwerqwerqwerqwer")
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updateString(trie, "123456", "asdfasdfasdfasdfasdfasdfasdfasdf")
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root, nodes := trie.Commit(false)
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triedb.Update(NewWithNodeSet(nodes))
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trie, _ = NewAccountTrie(TrieID(root), triedb)
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_, err := trie.TryGet([]byte("120000"))
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if err != nil {
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t.Errorf("Unexpected error: %v", err)
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}
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trie, _ = NewAccountTrie(TrieID(root), triedb)
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_, err = trie.TryGet([]byte("120099"))
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if err != nil {
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t.Errorf("Unexpected error: %v", err)
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}
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trie, _ = NewAccountTrie(TrieID(root), triedb)
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_, err = trie.TryGet([]byte("123456"))
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if err != nil {
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t.Errorf("Unexpected error: %v", err)
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}
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trie, _ = NewAccountTrie(TrieID(root), triedb)
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err = trie.TryUpdate([]byte("120099"), []byte("zxcvzxcvzxcvzxcvzxcvzxcvzxcvzxcv"))
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if err != nil {
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t.Errorf("Unexpected error: %v", err)
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}
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trie, _ = NewAccountTrie(TrieID(root), triedb)
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err = trie.TryDelete([]byte("123456"))
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if err != nil {
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t.Errorf("Unexpected error: %v", err)
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}
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hash := common.HexToHash("0xe1d943cc8f061a0c0b98162830b970395ac9315654824bf21b73b891365262f9")
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if memonly {
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delete(triedb.dirties, hash)
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} else {
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diskdb.Delete(hash[:])
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}
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trie, _ = NewAccountTrie(TrieID(root), triedb)
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_, err = trie.TryGet([]byte("120000"))
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if _, ok := err.(*MissingNodeError); !ok {
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t.Errorf("Wrong error: %v", err)
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}
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trie, _ = NewAccountTrie(TrieID(root), triedb)
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_, err = trie.TryGet([]byte("120099"))
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if _, ok := err.(*MissingNodeError); !ok {
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t.Errorf("Wrong error: %v", err)
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}
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trie, _ = NewAccountTrie(TrieID(root), triedb)
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_, err = trie.TryGet([]byte("123456"))
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if err != nil {
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t.Errorf("Unexpected error: %v", err)
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}
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trie, _ = NewAccountTrie(TrieID(root), triedb)
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err = trie.TryUpdate([]byte("120099"), []byte("zxcv"))
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if _, ok := err.(*MissingNodeError); !ok {
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t.Errorf("Wrong error: %v", err)
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}
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trie, _ = NewAccountTrie(TrieID(root), triedb)
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err = trie.TryDelete([]byte("123456"))
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if _, ok := err.(*MissingNodeError); !ok {
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t.Errorf("Wrong error: %v", err)
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}
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}
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func TestInsert(t *testing.T) {
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trie := NewEmpty(NewDatabase(rawdb.NewMemoryDatabase()))
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updateString(trie, "doe", "reindeer")
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updateString(trie, "dog", "puppy")
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updateString(trie, "dogglesworth", "cat")
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exp := common.HexToHash("8aad789dff2f538bca5d8ea56e8abe10f4c7ba3a5dea95fea4cd6e7c3a1168d3")
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root := trie.Hash()
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if root != exp {
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t.Errorf("case 1: exp %x got %x", exp, root)
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}
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trie = NewEmpty(NewDatabase(rawdb.NewMemoryDatabase()))
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updateString(trie, "A", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa")
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exp = common.HexToHash("d23786fb4a010da3ce639d66d5e904a11dbc02746d1ce25029e53290cabf28ab")
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root, _ = trie.Commit(false)
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if root != exp {
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t.Errorf("case 2: exp %x got %x", exp, root)
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}
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}
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func TestGet(t *testing.T) {
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db := NewDatabase(rawdb.NewMemoryDatabase())
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trie := NewEmpty(db)
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updateString(trie, "doe", "reindeer")
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updateString(trie, "dog", "puppy")
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updateString(trie, "dogglesworth", "cat")
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for i := 0; i < 2; i++ {
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res := getString(trie, "dog")
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if !bytes.Equal(res, []byte("puppy")) {
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t.Errorf("expected puppy got %x", res)
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}
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unknown := getString(trie, "unknown")
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if unknown != nil {
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t.Errorf("expected nil got %x", unknown)
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}
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if i == 1 {
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return
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}
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root, nodes := trie.Commit(false)
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db.Update(NewWithNodeSet(nodes))
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trie, _ = NewAccountTrie(TrieID(root), db)
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}
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}
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func TestDelete(t *testing.T) {
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trie := NewEmpty(NewDatabase(rawdb.NewMemoryDatabase()))
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vals := []struct{ k, v string }{
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{"do", "verb"},
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{"ether", "wookiedoo"},
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{"horse", "stallion"},
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{"shaman", "horse"},
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{"doge", "coin"},
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{"ether", ""},
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{"dog", "puppy"},
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{"shaman", ""},
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}
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for _, val := range vals {
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if val.v != "" {
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updateString(trie, val.k, val.v)
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} else {
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deleteString(trie, val.k)
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}
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}
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hash := trie.Hash()
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exp := common.HexToHash("5991bb8c6514148a29db676a14ac506cd2cd5775ace63c30a4fe457715e9ac84")
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if hash != exp {
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t.Errorf("expected %x got %x", exp, hash)
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}
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}
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func TestEmptyValues(t *testing.T) {
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trie := NewEmpty(NewDatabase(rawdb.NewMemoryDatabase()))
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vals := []struct{ k, v string }{
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{"do", "verb"},
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{"ether", "wookiedoo"},
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{"horse", "stallion"},
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{"shaman", "horse"},
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{"doge", "coin"},
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{"ether", ""},
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{"dog", "puppy"},
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{"shaman", ""},
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}
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for _, val := range vals {
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updateString(trie, val.k, val.v)
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}
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hash := trie.Hash()
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exp := common.HexToHash("5991bb8c6514148a29db676a14ac506cd2cd5775ace63c30a4fe457715e9ac84")
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if hash != exp {
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t.Errorf("expected %x got %x", exp, hash)
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}
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}
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func TestReplication(t *testing.T) {
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triedb := NewDatabase(rawdb.NewMemoryDatabase())
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trie := NewEmpty(triedb)
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vals := []struct{ k, v string }{
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{"do", "verb"},
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{"ether", "wookiedoo"},
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{"horse", "stallion"},
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{"shaman", "horse"},
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{"doge", "coin"},
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{"dog", "puppy"},
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{"somethingveryoddindeedthis is", "myothernodedata"},
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}
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for _, val := range vals {
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updateString(trie, val.k, val.v)
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}
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exp, nodes := trie.Commit(false)
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triedb.Update(NewWithNodeSet(nodes))
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// create a new trie on top of the database and check that lookups work.
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trie2, err := NewAccountTrie(TrieID(exp), triedb)
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if err != nil {
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t.Fatalf("can't recreate trie at %x: %v", exp, err)
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}
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for _, kv := range vals {
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if string(getString(trie2, kv.k)) != kv.v {
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t.Errorf("trie2 doesn't have %q => %q", kv.k, kv.v)
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}
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}
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hash, nodes := trie2.Commit(false)
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if hash != exp {
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t.Errorf("root failure. expected %x got %x", exp, hash)
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}
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// recreate the trie after commit
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if nodes != nil {
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triedb.Update(NewWithNodeSet(nodes))
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}
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trie2, err = NewAccountTrie(TrieID(hash), triedb)
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if err != nil {
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t.Fatalf("can't recreate trie at %x: %v", exp, err)
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}
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// perform some insertions on the new trie.
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vals2 := []struct{ k, v string }{
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{"do", "verb"},
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{"ether", "wookiedoo"},
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{"horse", "stallion"},
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// {"shaman", "horse"},
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// {"doge", "coin"},
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// {"ether", ""},
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// {"dog", "puppy"},
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// {"somethingveryoddindeedthis is", "myothernodedata"},
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// {"shaman", ""},
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}
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for _, val := range vals2 {
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updateString(trie2, val.k, val.v)
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}
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if hash := trie2.Hash(); hash != exp {
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t.Errorf("root failure. expected %x got %x", exp, hash)
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}
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}
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func TestLargeValue(t *testing.T) {
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trie := NewEmpty(NewDatabase(rawdb.NewMemoryDatabase()))
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trie.Update([]byte("key1"), []byte{99, 99, 99, 99})
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trie.Update([]byte("key2"), bytes.Repeat([]byte{1}, 32))
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trie.Hash()
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}
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// TestRandomCases tests some cases that were found via random fuzzing
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func TestRandomCases(t *testing.T) {
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var rt = []randTestStep{
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{op: 6, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 0
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{op: 6, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 1
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{op: 0, key: common.Hex2Bytes("d51b182b95d677e5f1c82508c0228de96b73092d78ce78b2230cd948674f66fd1483bd"), value: common.Hex2Bytes("0000000000000002")}, // step 2
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{op: 2, key: common.Hex2Bytes("c2a38512b83107d665c65235b0250002882ac2022eb00711552354832c5f1d030d0e408e"), value: common.Hex2Bytes("")}, // step 3
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{op: 3, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 4
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{op: 3, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 5
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{op: 6, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 6
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{op: 3, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 7
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{op: 0, key: common.Hex2Bytes("c2a38512b83107d665c65235b0250002882ac2022eb00711552354832c5f1d030d0e408e"), value: common.Hex2Bytes("0000000000000008")}, // step 8
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{op: 0, key: common.Hex2Bytes("d51b182b95d677e5f1c82508c0228de96b73092d78ce78b2230cd948674f66fd1483bd"), value: common.Hex2Bytes("0000000000000009")}, // step 9
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{op: 2, key: common.Hex2Bytes("fd"), value: common.Hex2Bytes("")}, // step 10
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{op: 6, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 11
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{op: 6, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 12
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{op: 0, key: common.Hex2Bytes("fd"), value: common.Hex2Bytes("000000000000000d")}, // step 13
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{op: 6, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 14
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{op: 1, key: common.Hex2Bytes("c2a38512b83107d665c65235b0250002882ac2022eb00711552354832c5f1d030d0e408e"), value: common.Hex2Bytes("")}, // step 15
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{op: 3, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 16
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{op: 0, key: common.Hex2Bytes("c2a38512b83107d665c65235b0250002882ac2022eb00711552354832c5f1d030d0e408e"), value: common.Hex2Bytes("0000000000000011")}, // step 17
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{op: 5, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 18
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{op: 3, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 19
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{op: 0, key: common.Hex2Bytes("d51b182b95d677e5f1c82508c0228de96b73092d78ce78b2230cd948674f66fd1483bd"), value: common.Hex2Bytes("0000000000000014")}, // step 20
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{op: 0, key: common.Hex2Bytes("d51b182b95d677e5f1c82508c0228de96b73092d78ce78b2230cd948674f66fd1483bd"), value: common.Hex2Bytes("0000000000000015")}, // step 21
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{op: 0, key: common.Hex2Bytes("c2a38512b83107d665c65235b0250002882ac2022eb00711552354832c5f1d030d0e408e"), value: common.Hex2Bytes("0000000000000016")}, // step 22
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{op: 5, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 23
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{op: 1, key: common.Hex2Bytes("980c393656413a15c8da01978ed9f89feb80b502f58f2d640e3a2f5f7a99a7018f1b573befd92053ac6f78fca4a87268"), value: common.Hex2Bytes("")}, // step 24
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{op: 1, key: common.Hex2Bytes("fd"), value: common.Hex2Bytes("")}, // step 25
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}
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runRandTest(rt)
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}
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// randTest performs random trie operations.
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// Instances of this test are created by Generate.
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type randTest []randTestStep
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type randTestStep struct {
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op int
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key []byte // for opUpdate, opDelete, opGet
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value []byte // for opUpdate
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err error // for debugging
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}
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const (
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opUpdate = iota
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opDelete
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opGet
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opHash
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opCommit
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opItercheckhash
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opNodeDiff
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opProve
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opMax // boundary value, not an actual op
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)
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func (randTest) Generate(r *rand.Rand, size int) reflect.Value {
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var allKeys [][]byte
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genKey := func() []byte {
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if len(allKeys) < 2 || r.Intn(100) < 10 {
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// new key
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key := make([]byte, r.Intn(50))
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r.Read(key)
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allKeys = append(allKeys, key)
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return key
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}
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// use existing key
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return allKeys[r.Intn(len(allKeys))]
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}
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var steps randTest
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for i := 0; i < size; i++ {
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step := randTestStep{op: r.Intn(opMax)}
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switch step.op {
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case opUpdate:
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step.key = genKey()
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step.value = make([]byte, 8)
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binary.BigEndian.PutUint64(step.value, uint64(i))
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case opGet, opDelete, opProve:
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step.key = genKey()
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}
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steps = append(steps, step)
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}
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return reflect.ValueOf(steps)
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}
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func verifyAccessList(old *Trie, new *Trie, set *NodeSet) error {
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deletes, inserts, updates := diffTries(old, new)
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// Check insertion set
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for path := range inserts {
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n, ok := set.nodes[path]
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if !ok || n.isDeleted() {
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return errors.New("expect new node")
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}
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_, ok = set.accessList[path]
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if ok {
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return errors.New("unexpected origin value")
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}
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}
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// Check deletion set
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for path, blob := range deletes {
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n, ok := set.nodes[path]
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if !ok || !n.isDeleted() {
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return errors.New("expect deleted node")
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}
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v, ok := set.accessList[path]
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if !ok {
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return errors.New("expect origin value")
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}
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if !bytes.Equal(v, blob) {
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return errors.New("invalid origin value")
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}
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}
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// Check update set
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for path, blob := range updates {
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n, ok := set.nodes[path]
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if !ok || n.isDeleted() {
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return errors.New("expect updated node")
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}
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v, ok := set.accessList[path]
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if !ok {
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return errors.New("expect origin value")
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}
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if !bytes.Equal(v, blob) {
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return errors.New("invalid origin value")
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func runRandTest(rt randTest) bool {
|
|
var (
|
|
triedb = NewDatabase(rawdb.NewMemoryDatabase())
|
|
tr = NewEmpty(triedb)
|
|
values = make(map[string]string) // tracks content of the trie
|
|
origTrie = NewEmpty(triedb)
|
|
)
|
|
for i, step := range rt {
|
|
// fmt.Printf("{op: %d, key: common.Hex2Bytes(\"%x\"), value: common.Hex2Bytes(\"%x\")}, // step %d\n",
|
|
// step.op, step.key, step.value, i)
|
|
|
|
switch step.op {
|
|
case opUpdate:
|
|
tr.Update(step.key, step.value)
|
|
values[string(step.key)] = string(step.value)
|
|
case opDelete:
|
|
tr.Delete(step.key)
|
|
delete(values, string(step.key))
|
|
case opGet:
|
|
v := tr.Get(step.key)
|
|
want := values[string(step.key)]
|
|
if string(v) != want {
|
|
rt[i].err = fmt.Errorf("mismatch for key %#x, got %#x want %#x", step.key, v, want)
|
|
}
|
|
case opProve:
|
|
hash := tr.Hash()
|
|
if hash == types.EmptyRootHash {
|
|
continue
|
|
}
|
|
proofDb := rawdb.NewMemoryDatabase()
|
|
err := tr.Prove(step.key, 0, proofDb)
|
|
if err != nil {
|
|
rt[i].err = fmt.Errorf("failed for proving key %#x, %v", step.key, err)
|
|
}
|
|
_, err = VerifyProof(hash, step.key, proofDb)
|
|
if err != nil {
|
|
rt[i].err = fmt.Errorf("failed for verifying key %#x, %v", step.key, err)
|
|
}
|
|
case opHash:
|
|
tr.Hash()
|
|
case opCommit:
|
|
root, nodes := tr.Commit(true)
|
|
if nodes != nil {
|
|
triedb.Update(NewWithNodeSet(nodes))
|
|
}
|
|
newtr, err := NewAccountTrie(TrieID(root), triedb)
|
|
if err != nil {
|
|
rt[i].err = err
|
|
return false
|
|
}
|
|
if nodes != nil {
|
|
if err := verifyAccessList(origTrie, newtr, nodes); err != nil {
|
|
rt[i].err = err
|
|
return false
|
|
}
|
|
}
|
|
tr = newtr
|
|
origTrie = tr.Copy()
|
|
case opItercheckhash:
|
|
checktr := NewEmpty(triedb)
|
|
it := NewIterator(tr.NodeIterator(nil))
|
|
for it.Next() {
|
|
checktr.Update(it.Key, it.Value)
|
|
}
|
|
if tr.Hash() != checktr.Hash() {
|
|
rt[i].err = fmt.Errorf("hash mismatch in opItercheckhash")
|
|
}
|
|
case opNodeDiff:
|
|
var (
|
|
origIter = origTrie.NodeIterator(nil)
|
|
curIter = tr.NodeIterator(nil)
|
|
origSeen = make(map[string]struct{})
|
|
curSeen = make(map[string]struct{})
|
|
)
|
|
for origIter.Next(true) {
|
|
if origIter.Leaf() {
|
|
continue
|
|
}
|
|
origSeen[string(origIter.Path())] = struct{}{}
|
|
}
|
|
for curIter.Next(true) {
|
|
if curIter.Leaf() {
|
|
continue
|
|
}
|
|
curSeen[string(curIter.Path())] = struct{}{}
|
|
}
|
|
var (
|
|
insertExp = make(map[string]struct{})
|
|
deleteExp = make(map[string]struct{})
|
|
)
|
|
for path := range curSeen {
|
|
_, present := origSeen[path]
|
|
if !present {
|
|
insertExp[path] = struct{}{}
|
|
}
|
|
}
|
|
for path := range origSeen {
|
|
_, present := curSeen[path]
|
|
if !present {
|
|
deleteExp[path] = struct{}{}
|
|
}
|
|
}
|
|
if len(insertExp) != len(tr.tracer.inserts) {
|
|
rt[i].err = fmt.Errorf("insert set mismatch")
|
|
}
|
|
if len(deleteExp) != len(tr.tracer.deletes) {
|
|
rt[i].err = fmt.Errorf("delete set mismatch")
|
|
}
|
|
for insert := range tr.tracer.inserts {
|
|
if _, present := insertExp[insert]; !present {
|
|
rt[i].err = fmt.Errorf("missing inserted node")
|
|
}
|
|
}
|
|
for del := range tr.tracer.deletes {
|
|
if _, present := deleteExp[del]; !present {
|
|
rt[i].err = fmt.Errorf("missing deleted node")
|
|
}
|
|
}
|
|
}
|
|
// Abort the test on error.
|
|
if rt[i].err != nil {
|
|
return false
|
|
}
|
|
}
|
|
return true
|
|
}
|
|
|
|
func TestRandom(t *testing.T) {
|
|
if err := quick.Check(runRandTest, nil); err != nil {
|
|
if cerr, ok := err.(*quick.CheckError); ok {
|
|
t.Fatalf("random test iteration %d failed: %s", cerr.Count, spew.Sdump(cerr.In))
|
|
}
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestTinyTrie(t *testing.T) {
|
|
// Create a realistic account trie to hash
|
|
_, accounts := makeAccounts(5)
|
|
trie := NewEmpty(NewDatabase(rawdb.NewMemoryDatabase()))
|
|
|
|
type testCase struct {
|
|
key, account []byte
|
|
root common.Hash
|
|
}
|
|
|
|
cases := []testCase{
|
|
{
|
|
common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000001337"),
|
|
accounts[3],
|
|
common.HexToHash("8c6a85a4d9fda98feff88450299e574e5378e32391f75a055d470ac0653f1005"),
|
|
}, {
|
|
common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000001338"),
|
|
accounts[4],
|
|
common.HexToHash("ec63b967e98a5720e7f720482151963982890d82c9093c0d486b7eb8883a66b1"),
|
|
}, {
|
|
common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000001339"),
|
|
accounts[4],
|
|
common.HexToHash("0608c1d1dc3905fa22204c7a0e43644831c3b6d3def0f274be623a948197e64a"),
|
|
},
|
|
}
|
|
for i, c := range cases {
|
|
trie.Update(c.key, c.account)
|
|
root := trie.Hash()
|
|
if root != c.root {
|
|
t.Errorf("case %d: got %x, exp %x", i, root, c.root)
|
|
}
|
|
}
|
|
checktr := NewEmpty(NewDatabase(rawdb.NewMemoryDatabase()))
|
|
it := NewIterator(trie.NodeIterator(nil))
|
|
for it.Next() {
|
|
checktr.Update(it.Key, it.Value)
|
|
}
|
|
if troot, itroot := trie.Hash(), checktr.Hash(); troot != itroot {
|
|
t.Fatalf("hash mismatch in opItercheckhash, trie: %x, check: %x", troot, itroot)
|
|
}
|
|
}
|
|
|
|
func TestCommitAfterHash(t *testing.T) {
|
|
// Create a realistic account trie to hash
|
|
addresses, accounts := makeAccounts(1000)
|
|
trie := NewEmpty(NewDatabase(rawdb.NewMemoryDatabase()))
|
|
for i := 0; i < len(addresses); i++ {
|
|
trie.Update(crypto.Keccak256(addresses[i][:]), accounts[i])
|
|
}
|
|
// Insert the accounts into the trie and hash it
|
|
trie.Hash()
|
|
trie.Commit(false)
|
|
root := trie.Hash()
|
|
exp := common.HexToHash("72f9d3f3fe1e1dd7b8936442e7642aef76371472d94319900790053c493f3fe6")
|
|
if exp != root {
|
|
t.Errorf("got %x, exp %x", root, exp)
|
|
}
|
|
root, _ = trie.Commit(false)
|
|
if exp != root {
|
|
t.Errorf("got %x, exp %x", root, exp)
|
|
}
|
|
}
|
|
|
|
func makeAccounts(size int) (addresses [][20]byte, accounts [][]byte) {
|
|
// Make the random benchmark deterministic
|
|
random := rand.New(rand.NewSource(0))
|
|
// Create a realistic account trie to hash
|
|
addresses = make([][20]byte, size)
|
|
for i := 0; i < len(addresses); i++ {
|
|
data := make([]byte, 20)
|
|
random.Read(data)
|
|
copy(addresses[i][:], data)
|
|
}
|
|
accounts = make([][]byte, len(addresses))
|
|
for i := 0; i < len(accounts); i++ {
|
|
var (
|
|
nonce = uint64(random.Int63())
|
|
root = types.EmptyRootHash
|
|
code = crypto.Keccak256(nil)
|
|
)
|
|
// The big.Rand function is not deterministic with regards to 64 vs 32 bit systems,
|
|
// and will consume different amount of data from the rand source.
|
|
//balance = new(big.Int).Rand(random, new(big.Int).Exp(common.Big2, common.Big256, nil))
|
|
// Therefore, we instead just read via byte buffer
|
|
numBytes := random.Uint32() % 33 // [0, 32] bytes
|
|
balanceBytes := make([]byte, numBytes)
|
|
random.Read(balanceBytes)
|
|
balance := new(big.Int).SetBytes(balanceBytes)
|
|
data, _ := rlp.EncodeToBytes(&types.StateAccount{Nonce: nonce, Balance: balance, Root: root, CodeHash: code})
|
|
accounts[i] = data
|
|
}
|
|
return addresses, accounts
|
|
}
|
|
|
|
func getString(trie *Trie, k string) []byte {
|
|
return trie.Get([]byte(k))
|
|
}
|
|
|
|
func updateString(trie *Trie, k, v string) {
|
|
trie.Update([]byte(k), []byte(v))
|
|
}
|
|
|
|
func deleteString(trie *Trie, k string) {
|
|
trie.Delete([]byte(k))
|
|
}
|
|
|
|
func TestDecodeNode(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
var (
|
|
hash = make([]byte, 20)
|
|
elems = make([]byte, 20)
|
|
)
|
|
for i := 0; i < 5000000; i++ {
|
|
prng.Read(hash)
|
|
prng.Read(elems)
|
|
decodeNode(hash, elems)
|
|
}
|
|
}
|