forked from cerc-io/plugeth
bff84a99fe
* cmd, core, eth, les, light: track deleted nodes * trie: add docs * trie: address comments * cmd, core, eth, les, light, trie: trie id * trie: add tests * trie, core: updates * trie: fix imports * trie: add utility print-method for nodeset * trie: import err * trie: fix go vet warnings Co-authored-by: Martin Holst Swende <martin@swende.se>
1169 lines
39 KiB
Go
1169 lines
39 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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"hash"
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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/ethdb"
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"github.com/ethereum/go-ethereum/ethdb/memorydb"
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"github.com/ethereum/go-ethereum/rlp"
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"golang.org/x/crypto/sha3"
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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 := emptyRoot
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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 := New(TrieID(root), NewDatabase(memorydb.New()))
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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 TestMissingNodeDisk(t *testing.T) { testMissingNode(t, false) }
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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 := memorydb.New()
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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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if !memonly {
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triedb.Commit(root, true, nil)
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}
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trie, _ = New(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, _ = New(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, _ = New(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, _ = New(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, _ = New(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, _ = New(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, _ = New(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, _ = New(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, _ = New(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, _ = New(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, _, err := trie.Commit(false)
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if err != nil {
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t.Fatalf("commit error: %v", err)
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}
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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, _ = New(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, err := trie.Commit(false)
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if err != nil {
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t.Fatalf("commit error: %v", err)
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}
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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 := New(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, err := trie2.Commit(false)
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if err != nil {
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t.Fatalf("commit error: %v", err)
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}
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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 = New(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 som 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 runRandTest(rt randTest) bool {
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var (
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triedb = NewDatabase(memorydb.New())
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tr = NewEmpty(triedb)
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values = make(map[string]string) // tracks content of the trie
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origTrie = NewEmpty(triedb)
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)
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tr.tracer = newTracer()
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for i, step := range rt {
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// fmt.Printf("{op: %d, key: common.Hex2Bytes(\"%x\"), value: common.Hex2Bytes(\"%x\")}, // step %d\n",
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// step.op, step.key, step.value, i)
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|
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 == emptyRoot {
|
|
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, err := tr.Commit(true)
|
|
if err != nil {
|
|
rt[i].err = err
|
|
return false
|
|
}
|
|
// Validity the returned nodeset
|
|
if nodes != nil {
|
|
for path, node := range nodes.updates.nodes {
|
|
blob, _, _ := origTrie.TryGetNode(hexToCompact([]byte(path)))
|
|
got := node.prev
|
|
if !bytes.Equal(blob, got) {
|
|
rt[i].err = fmt.Errorf("prevalue mismatch for 0x%x, got 0x%x want 0x%x", path, got, blob)
|
|
panic(rt[i].err)
|
|
}
|
|
}
|
|
for path, prev := range nodes.deletes {
|
|
blob, _, _ := origTrie.TryGetNode(hexToCompact([]byte(path)))
|
|
if !bytes.Equal(blob, prev) {
|
|
rt[i].err = fmt.Errorf("prevalue mismatch for 0x%x, got 0x%x want 0x%x", path, prev, blob)
|
|
return false
|
|
}
|
|
}
|
|
}
|
|
if nodes != nil {
|
|
triedb.Update(NewWithNodeSet(nodes))
|
|
}
|
|
newtr, err := New(TrieID(root), triedb)
|
|
if err != nil {
|
|
rt[i].err = err
|
|
return false
|
|
}
|
|
tr = newtr
|
|
|
|
// Enable node tracing. Resolve the root node again explicitly
|
|
// since it's not captured at the beginning.
|
|
tr.tracer = newTracer()
|
|
tr.resolveAndTrack(root.Bytes(), nil)
|
|
|
|
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 (
|
|
inserted = tr.tracer.insertList()
|
|
deleted = tr.tracer.deleteList()
|
|
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(inserted) {
|
|
rt[i].err = fmt.Errorf("insert set mismatch")
|
|
}
|
|
if len(deleteExp) != len(deleted) {
|
|
rt[i].err = fmt.Errorf("delete set mismatch")
|
|
}
|
|
for _, insert := range inserted {
|
|
if _, present := insertExp[string(insert)]; !present {
|
|
rt[i].err = fmt.Errorf("missing inserted node")
|
|
}
|
|
}
|
|
for _, del := range deleted {
|
|
if _, present := deleteExp[string(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 BenchmarkGet(b *testing.B) { benchGet(b) }
|
|
func BenchmarkUpdateBE(b *testing.B) { benchUpdate(b, binary.BigEndian) }
|
|
func BenchmarkUpdateLE(b *testing.B) { benchUpdate(b, binary.LittleEndian) }
|
|
|
|
const benchElemCount = 20000
|
|
|
|
func benchGet(b *testing.B) {
|
|
triedb := NewDatabase(rawdb.NewMemoryDatabase())
|
|
trie := NewEmpty(triedb)
|
|
k := make([]byte, 32)
|
|
for i := 0; i < benchElemCount; i++ {
|
|
binary.LittleEndian.PutUint64(k, uint64(i))
|
|
trie.Update(k, k)
|
|
}
|
|
binary.LittleEndian.PutUint64(k, benchElemCount/2)
|
|
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
trie.Get(k)
|
|
}
|
|
b.StopTimer()
|
|
}
|
|
|
|
func benchUpdate(b *testing.B, e binary.ByteOrder) *Trie {
|
|
trie := NewEmpty(NewDatabase(rawdb.NewMemoryDatabase()))
|
|
k := make([]byte, 32)
|
|
b.ReportAllocs()
|
|
for i := 0; i < b.N; i++ {
|
|
e.PutUint64(k, uint64(i))
|
|
trie.Update(k, k)
|
|
}
|
|
return trie
|
|
}
|
|
|
|
// Benchmarks the trie hashing. Since the trie caches the result of any operation,
|
|
// we cannot use b.N as the number of hashing rouns, since all rounds apart from
|
|
// the first one will be NOOP. As such, we'll use b.N as the number of account to
|
|
// insert into the trie before measuring the hashing.
|
|
// BenchmarkHash-6 288680 4561 ns/op 682 B/op 9 allocs/op
|
|
// BenchmarkHash-6 275095 4800 ns/op 685 B/op 9 allocs/op
|
|
// pure hasher:
|
|
// BenchmarkHash-6 319362 4230 ns/op 675 B/op 9 allocs/op
|
|
// BenchmarkHash-6 257460 4674 ns/op 689 B/op 9 allocs/op
|
|
// With hashing in-between and pure hasher:
|
|
// BenchmarkHash-6 225417 7150 ns/op 982 B/op 12 allocs/op
|
|
// BenchmarkHash-6 220378 6197 ns/op 983 B/op 12 allocs/op
|
|
// same with old hasher
|
|
// BenchmarkHash-6 229758 6437 ns/op 981 B/op 12 allocs/op
|
|
// BenchmarkHash-6 212610 7137 ns/op 986 B/op 12 allocs/op
|
|
func BenchmarkHash(b *testing.B) {
|
|
// Create a realistic account trie to hash. We're first adding and hashing N
|
|
// entries, then adding N more.
|
|
addresses, accounts := makeAccounts(2 * b.N)
|
|
// Insert the accounts into the trie and hash it
|
|
trie := NewEmpty(NewDatabase(rawdb.NewMemoryDatabase()))
|
|
i := 0
|
|
for ; i < len(addresses)/2; i++ {
|
|
trie.Update(crypto.Keccak256(addresses[i][:]), accounts[i])
|
|
}
|
|
trie.Hash()
|
|
for ; i < len(addresses); i++ {
|
|
trie.Update(crypto.Keccak256(addresses[i][:]), accounts[i])
|
|
}
|
|
b.ResetTimer()
|
|
b.ReportAllocs()
|
|
//trie.hashRoot(nil, nil)
|
|
trie.Hash()
|
|
}
|
|
|
|
// Benchmarks the trie Commit following a Hash. Since the trie caches the result of any operation,
|
|
// we cannot use b.N as the number of hashing rouns, since all rounds apart from
|
|
// the first one will be NOOP. As such, we'll use b.N as the number of account to
|
|
// insert into the trie before measuring the hashing.
|
|
func BenchmarkCommitAfterHash(b *testing.B) {
|
|
b.Run("no-onleaf", func(b *testing.B) {
|
|
benchmarkCommitAfterHash(b, false)
|
|
})
|
|
b.Run("with-onleaf", func(b *testing.B) {
|
|
benchmarkCommitAfterHash(b, true)
|
|
})
|
|
}
|
|
|
|
func benchmarkCommitAfterHash(b *testing.B, collectLeaf bool) {
|
|
// Make the random benchmark deterministic
|
|
addresses, accounts := makeAccounts(b.N)
|
|
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()
|
|
b.ResetTimer()
|
|
b.ReportAllocs()
|
|
trie.Commit(collectLeaf)
|
|
}
|
|
|
|
func TestTinyTrie(t *testing.T) {
|
|
// Create a realistic account trie to hash
|
|
_, accounts := makeAccounts(5)
|
|
trie := NewEmpty(NewDatabase(rawdb.NewMemoryDatabase()))
|
|
trie.Update(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000001337"), accounts[3])
|
|
if exp, root := common.HexToHash("8c6a85a4d9fda98feff88450299e574e5378e32391f75a055d470ac0653f1005"), trie.Hash(); exp != root {
|
|
t.Errorf("1: got %x, exp %x", root, exp)
|
|
}
|
|
trie.Update(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000001338"), accounts[4])
|
|
if exp, root := common.HexToHash("ec63b967e98a5720e7f720482151963982890d82c9093c0d486b7eb8883a66b1"), trie.Hash(); exp != root {
|
|
t.Errorf("2: got %x, exp %x", root, exp)
|
|
}
|
|
trie.Update(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000001339"), accounts[4])
|
|
if exp, root := common.HexToHash("0608c1d1dc3905fa22204c7a0e43644831c3b6d3def0f274be623a948197e64a"), trie.Hash(); exp != root {
|
|
t.Errorf("3: got %x, exp %x", root, exp)
|
|
}
|
|
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 = emptyRoot
|
|
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
|
|
}
|
|
|
|
// spongeDb is a dummy db backend which accumulates writes in a sponge
|
|
type spongeDb struct {
|
|
sponge hash.Hash
|
|
id string
|
|
journal []string
|
|
}
|
|
|
|
func (s *spongeDb) Has(key []byte) (bool, error) { panic("implement me") }
|
|
func (s *spongeDb) Get(key []byte) ([]byte, error) { return nil, errors.New("no such elem") }
|
|
func (s *spongeDb) Delete(key []byte) error { panic("implement me") }
|
|
func (s *spongeDb) NewBatch() ethdb.Batch { return &spongeBatch{s} }
|
|
func (s *spongeDb) NewBatchWithSize(size int) ethdb.Batch { return &spongeBatch{s} }
|
|
func (s *spongeDb) NewSnapshot() (ethdb.Snapshot, error) { panic("implement me") }
|
|
func (s *spongeDb) Stat(property string) (string, error) { panic("implement me") }
|
|
func (s *spongeDb) Compact(start []byte, limit []byte) error { panic("implement me") }
|
|
func (s *spongeDb) Close() error { return nil }
|
|
func (s *spongeDb) Put(key []byte, value []byte) error {
|
|
valbrief := value
|
|
if len(valbrief) > 8 {
|
|
valbrief = valbrief[:8]
|
|
}
|
|
s.journal = append(s.journal, fmt.Sprintf("%v: PUT([%x...], [%d bytes] %x...)\n", s.id, key[:8], len(value), valbrief))
|
|
s.sponge.Write(key)
|
|
s.sponge.Write(value)
|
|
return nil
|
|
}
|
|
func (s *spongeDb) NewIterator(prefix []byte, start []byte) ethdb.Iterator { panic("implement me") }
|
|
|
|
// spongeBatch is a dummy batch which immediately writes to the underlying spongedb
|
|
type spongeBatch struct {
|
|
db *spongeDb
|
|
}
|
|
|
|
func (b *spongeBatch) Put(key, value []byte) error {
|
|
b.db.Put(key, value)
|
|
return nil
|
|
}
|
|
func (b *spongeBatch) Delete(key []byte) error { panic("implement me") }
|
|
func (b *spongeBatch) ValueSize() int { return 100 }
|
|
func (b *spongeBatch) Write() error { return nil }
|
|
func (b *spongeBatch) Reset() {}
|
|
func (b *spongeBatch) Replay(w ethdb.KeyValueWriter) error { return nil }
|
|
|
|
// TestCommitSequence tests that the trie.Commit operation writes the elements of the trie
|
|
// in the expected order, and calls the callbacks in the expected order.
|
|
// The test data was based on the 'master' code, and is basically random. It can be used
|
|
// to check whether changes to the trie modifies the write order or data in any way.
|
|
func TestCommitSequence(t *testing.T) {
|
|
for i, tc := range []struct {
|
|
count int
|
|
expWriteSeqHash []byte
|
|
expCallbackSeqHash []byte
|
|
}{
|
|
{20, common.FromHex("873c78df73d60e59d4a2bcf3716e8bfe14554549fea2fc147cb54129382a8066"),
|
|
common.FromHex("ff00f91ac05df53b82d7f178d77ada54fd0dca64526f537034a5dbe41b17df2a")},
|
|
{200, common.FromHex("ba03d891bb15408c940eea5ee3d54d419595102648d02774a0268d892add9c8e"),
|
|
common.FromHex("f3cd509064c8d319bbdd1c68f511850a902ad275e6ed5bea11547e23d492a926")},
|
|
{2000, common.FromHex("f7a184f20df01c94f09537401d11e68d97ad0c00115233107f51b9c287ce60c7"),
|
|
common.FromHex("ff795ea898ba1e4cfed4a33b4cf5535a347a02cf931f88d88719faf810f9a1c9")},
|
|
} {
|
|
addresses, accounts := makeAccounts(tc.count)
|
|
// This spongeDb is used to check the sequence of disk-db-writes
|
|
s := &spongeDb{sponge: sha3.NewLegacyKeccak256()}
|
|
db := NewDatabase(s)
|
|
trie := NewEmpty(db)
|
|
// Another sponge is used to check the callback-sequence
|
|
callbackSponge := sha3.NewLegacyKeccak256()
|
|
// Fill the trie with elements
|
|
for i := 0; i < tc.count; i++ {
|
|
trie.Update(crypto.Keccak256(addresses[i][:]), accounts[i])
|
|
}
|
|
// Flush trie -> database
|
|
root, nodes, _ := trie.Commit(false)
|
|
db.Update(NewWithNodeSet(nodes))
|
|
// Flush memdb -> disk (sponge)
|
|
db.Commit(root, false, func(c common.Hash) {
|
|
// And spongify the callback-order
|
|
callbackSponge.Write(c[:])
|
|
})
|
|
if got, exp := s.sponge.Sum(nil), tc.expWriteSeqHash; !bytes.Equal(got, exp) {
|
|
t.Errorf("test %d, disk write sequence wrong:\ngot %x exp %x\n", i, got, exp)
|
|
}
|
|
if got, exp := callbackSponge.Sum(nil), tc.expCallbackSeqHash; !bytes.Equal(got, exp) {
|
|
t.Errorf("test %d, call back sequence wrong:\ngot: %x exp %x\n", i, got, exp)
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestCommitSequenceRandomBlobs is identical to TestCommitSequence
|
|
// but uses random blobs instead of 'accounts'
|
|
func TestCommitSequenceRandomBlobs(t *testing.T) {
|
|
for i, tc := range []struct {
|
|
count int
|
|
expWriteSeqHash []byte
|
|
expCallbackSeqHash []byte
|
|
}{
|
|
{20, common.FromHex("8e4a01548551d139fa9e833ebc4e66fc1ba40a4b9b7259d80db32cff7b64ebbc"),
|
|
common.FromHex("450238d73bc36dc6cc6f926987e5428535e64be403877c4560e238a52749ba24")},
|
|
{200, common.FromHex("6869b4e7b95f3097a19ddb30ff735f922b915314047e041614df06958fc50554"),
|
|
common.FromHex("0ace0b03d6cb8c0b82f6289ef5b1a1838306b455a62dafc63cada8e2924f2550")},
|
|
{2000, common.FromHex("444200e6f4e2df49f77752f629a96ccf7445d4698c164f962bbd85a0526ef424"),
|
|
common.FromHex("117d30dafaa62a1eed498c3dfd70982b377ba2b46dd3e725ed6120c80829e518")},
|
|
} {
|
|
prng := rand.New(rand.NewSource(int64(i)))
|
|
// This spongeDb is used to check the sequence of disk-db-writes
|
|
s := &spongeDb{sponge: sha3.NewLegacyKeccak256()}
|
|
db := NewDatabase(s)
|
|
trie := NewEmpty(db)
|
|
// Another sponge is used to check the callback-sequence
|
|
callbackSponge := sha3.NewLegacyKeccak256()
|
|
// Fill the trie with elements
|
|
for i := 0; i < tc.count; i++ {
|
|
key := make([]byte, 32)
|
|
var val []byte
|
|
// 50% short elements, 50% large elements
|
|
if prng.Intn(2) == 0 {
|
|
val = make([]byte, 1+prng.Intn(32))
|
|
} else {
|
|
val = make([]byte, 1+prng.Intn(4096))
|
|
}
|
|
prng.Read(key)
|
|
prng.Read(val)
|
|
trie.Update(key, val)
|
|
}
|
|
// Flush trie -> database
|
|
root, nodes, _ := trie.Commit(false)
|
|
db.Update(NewWithNodeSet(nodes))
|
|
// Flush memdb -> disk (sponge)
|
|
db.Commit(root, false, func(c common.Hash) {
|
|
// And spongify the callback-order
|
|
callbackSponge.Write(c[:])
|
|
})
|
|
if got, exp := s.sponge.Sum(nil), tc.expWriteSeqHash; !bytes.Equal(got, exp) {
|
|
t.Fatalf("test %d, disk write sequence wrong:\ngot %x exp %x\n", i, got, exp)
|
|
}
|
|
if got, exp := callbackSponge.Sum(nil), tc.expCallbackSeqHash; !bytes.Equal(got, exp) {
|
|
t.Fatalf("test %d, call back sequence wrong:\ngot: %x exp %x\n", i, got, exp)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestCommitSequenceStackTrie(t *testing.T) {
|
|
for count := 1; count < 200; count++ {
|
|
prng := rand.New(rand.NewSource(int64(count)))
|
|
// This spongeDb is used to check the sequence of disk-db-writes
|
|
s := &spongeDb{sponge: sha3.NewLegacyKeccak256(), id: "a"}
|
|
db := NewDatabase(s)
|
|
trie := NewEmpty(db)
|
|
// Another sponge is used for the stacktrie commits
|
|
stackTrieSponge := &spongeDb{sponge: sha3.NewLegacyKeccak256(), id: "b"}
|
|
stTrie := NewStackTrie(stackTrieSponge)
|
|
// Fill the trie with elements
|
|
for i := 0; i < count; i++ {
|
|
// For the stack trie, we need to do inserts in proper order
|
|
key := make([]byte, 32)
|
|
binary.BigEndian.PutUint64(key, uint64(i))
|
|
var val []byte
|
|
// 50% short elements, 50% large elements
|
|
if prng.Intn(2) == 0 {
|
|
val = make([]byte, 1+prng.Intn(32))
|
|
} else {
|
|
val = make([]byte, 1+prng.Intn(1024))
|
|
}
|
|
prng.Read(val)
|
|
trie.TryUpdate(key, val)
|
|
stTrie.TryUpdate(key, val)
|
|
}
|
|
// Flush trie -> database
|
|
root, nodes, _ := trie.Commit(false)
|
|
// Flush memdb -> disk (sponge)
|
|
db.Update(NewWithNodeSet(nodes))
|
|
db.Commit(root, false, nil)
|
|
// And flush stacktrie -> disk
|
|
stRoot, err := stTrie.Commit()
|
|
if err != nil {
|
|
t.Fatalf("Failed to commit stack trie %v", err)
|
|
}
|
|
if stRoot != root {
|
|
t.Fatalf("root wrong, got %x exp %x", stRoot, root)
|
|
}
|
|
if got, exp := stackTrieSponge.sponge.Sum(nil), s.sponge.Sum(nil); !bytes.Equal(got, exp) {
|
|
// Show the journal
|
|
t.Logf("Expected:")
|
|
for i, v := range s.journal {
|
|
t.Logf("op %d: %v", i, v)
|
|
}
|
|
t.Logf("Stacktrie:")
|
|
for i, v := range stackTrieSponge.journal {
|
|
t.Logf("op %d: %v", i, v)
|
|
}
|
|
t.Fatalf("test %d, disk write sequence wrong:\ngot %x exp %x\n", count, got, exp)
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestCommitSequenceSmallRoot tests that a trie which is essentially only a
|
|
// small (<32 byte) shortnode with an included value is properly committed to a
|
|
// database.
|
|
// This case might not matter, since in practice, all keys are 32 bytes, which means
|
|
// that even a small trie which contains a leaf will have an extension making it
|
|
// not fit into 32 bytes, rlp-encoded. However, it's still the correct thing to do.
|
|
func TestCommitSequenceSmallRoot(t *testing.T) {
|
|
s := &spongeDb{sponge: sha3.NewLegacyKeccak256(), id: "a"}
|
|
db := NewDatabase(s)
|
|
trie := NewEmpty(db)
|
|
// Another sponge is used for the stacktrie commits
|
|
stackTrieSponge := &spongeDb{sponge: sha3.NewLegacyKeccak256(), id: "b"}
|
|
stTrie := NewStackTrie(stackTrieSponge)
|
|
// Add a single small-element to the trie(s)
|
|
key := make([]byte, 5)
|
|
key[0] = 1
|
|
trie.TryUpdate(key, []byte{0x1})
|
|
stTrie.TryUpdate(key, []byte{0x1})
|
|
// Flush trie -> database
|
|
root, nodes, _ := trie.Commit(false)
|
|
// Flush memdb -> disk (sponge)
|
|
db.Update(NewWithNodeSet(nodes))
|
|
db.Commit(root, false, nil)
|
|
// And flush stacktrie -> disk
|
|
stRoot, err := stTrie.Commit()
|
|
if err != nil {
|
|
t.Fatalf("Failed to commit stack trie %v", err)
|
|
}
|
|
if stRoot != root {
|
|
t.Fatalf("root wrong, got %x exp %x", stRoot, root)
|
|
}
|
|
|
|
t.Logf("root: %x\n", stRoot)
|
|
if got, exp := stackTrieSponge.sponge.Sum(nil), s.sponge.Sum(nil); !bytes.Equal(got, exp) {
|
|
t.Fatalf("test, disk write sequence wrong:\ngot %x exp %x\n", got, exp)
|
|
}
|
|
}
|
|
|
|
// BenchmarkCommitAfterHashFixedSize benchmarks the Commit (after Hash) of a fixed number of updates to a trie.
|
|
// This benchmark is meant to capture the difference on efficiency of small versus large changes. Typically,
|
|
// storage tries are small (a couple of entries), whereas the full post-block account trie update is large (a couple
|
|
// of thousand entries)
|
|
func BenchmarkHashFixedSize(b *testing.B) {
|
|
b.Run("10", func(b *testing.B) {
|
|
b.StopTimer()
|
|
acc, add := makeAccounts(20)
|
|
for i := 0; i < b.N; i++ {
|
|
benchmarkHashFixedSize(b, acc, add)
|
|
}
|
|
})
|
|
b.Run("100", func(b *testing.B) {
|
|
b.StopTimer()
|
|
acc, add := makeAccounts(100)
|
|
for i := 0; i < b.N; i++ {
|
|
benchmarkHashFixedSize(b, acc, add)
|
|
}
|
|
})
|
|
|
|
b.Run("1K", func(b *testing.B) {
|
|
b.StopTimer()
|
|
acc, add := makeAccounts(1000)
|
|
for i := 0; i < b.N; i++ {
|
|
benchmarkHashFixedSize(b, acc, add)
|
|
}
|
|
})
|
|
b.Run("10K", func(b *testing.B) {
|
|
b.StopTimer()
|
|
acc, add := makeAccounts(10000)
|
|
for i := 0; i < b.N; i++ {
|
|
benchmarkHashFixedSize(b, acc, add)
|
|
}
|
|
})
|
|
b.Run("100K", func(b *testing.B) {
|
|
b.StopTimer()
|
|
acc, add := makeAccounts(100000)
|
|
for i := 0; i < b.N; i++ {
|
|
benchmarkHashFixedSize(b, acc, add)
|
|
}
|
|
})
|
|
}
|
|
|
|
func benchmarkHashFixedSize(b *testing.B, addresses [][20]byte, accounts [][]byte) {
|
|
b.ReportAllocs()
|
|
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
|
|
b.StartTimer()
|
|
trie.Hash()
|
|
b.StopTimer()
|
|
}
|
|
|
|
func BenchmarkCommitAfterHashFixedSize(b *testing.B) {
|
|
b.Run("10", func(b *testing.B) {
|
|
b.StopTimer()
|
|
acc, add := makeAccounts(20)
|
|
for i := 0; i < b.N; i++ {
|
|
benchmarkCommitAfterHashFixedSize(b, acc, add)
|
|
}
|
|
})
|
|
b.Run("100", func(b *testing.B) {
|
|
b.StopTimer()
|
|
acc, add := makeAccounts(100)
|
|
for i := 0; i < b.N; i++ {
|
|
benchmarkCommitAfterHashFixedSize(b, acc, add)
|
|
}
|
|
})
|
|
|
|
b.Run("1K", func(b *testing.B) {
|
|
b.StopTimer()
|
|
acc, add := makeAccounts(1000)
|
|
for i := 0; i < b.N; i++ {
|
|
benchmarkCommitAfterHashFixedSize(b, acc, add)
|
|
}
|
|
})
|
|
b.Run("10K", func(b *testing.B) {
|
|
b.StopTimer()
|
|
acc, add := makeAccounts(10000)
|
|
for i := 0; i < b.N; i++ {
|
|
benchmarkCommitAfterHashFixedSize(b, acc, add)
|
|
}
|
|
})
|
|
b.Run("100K", func(b *testing.B) {
|
|
b.StopTimer()
|
|
acc, add := makeAccounts(100000)
|
|
for i := 0; i < b.N; i++ {
|
|
benchmarkCommitAfterHashFixedSize(b, acc, add)
|
|
}
|
|
})
|
|
}
|
|
|
|
func benchmarkCommitAfterHashFixedSize(b *testing.B, addresses [][20]byte, accounts [][]byte) {
|
|
b.ReportAllocs()
|
|
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()
|
|
b.StartTimer()
|
|
trie.Commit(false)
|
|
b.StopTimer()
|
|
}
|
|
|
|
func BenchmarkDerefRootFixedSize(b *testing.B) {
|
|
b.Run("10", func(b *testing.B) {
|
|
b.StopTimer()
|
|
acc, add := makeAccounts(20)
|
|
for i := 0; i < b.N; i++ {
|
|
benchmarkDerefRootFixedSize(b, acc, add)
|
|
}
|
|
})
|
|
b.Run("100", func(b *testing.B) {
|
|
b.StopTimer()
|
|
acc, add := makeAccounts(100)
|
|
for i := 0; i < b.N; i++ {
|
|
benchmarkDerefRootFixedSize(b, acc, add)
|
|
}
|
|
})
|
|
|
|
b.Run("1K", func(b *testing.B) {
|
|
b.StopTimer()
|
|
acc, add := makeAccounts(1000)
|
|
for i := 0; i < b.N; i++ {
|
|
benchmarkDerefRootFixedSize(b, acc, add)
|
|
}
|
|
})
|
|
b.Run("10K", func(b *testing.B) {
|
|
b.StopTimer()
|
|
acc, add := makeAccounts(10000)
|
|
for i := 0; i < b.N; i++ {
|
|
benchmarkDerefRootFixedSize(b, acc, add)
|
|
}
|
|
})
|
|
b.Run("100K", func(b *testing.B) {
|
|
b.StopTimer()
|
|
acc, add := makeAccounts(100000)
|
|
for i := 0; i < b.N; i++ {
|
|
benchmarkDerefRootFixedSize(b, acc, add)
|
|
}
|
|
})
|
|
}
|
|
|
|
func benchmarkDerefRootFixedSize(b *testing.B, addresses [][20]byte, accounts [][]byte) {
|
|
b.ReportAllocs()
|
|
triedb := NewDatabase(rawdb.NewMemoryDatabase())
|
|
trie := NewEmpty(triedb)
|
|
for i := 0; i < len(addresses); i++ {
|
|
trie.Update(crypto.Keccak256(addresses[i][:]), accounts[i])
|
|
}
|
|
h := trie.Hash()
|
|
_, nodes, _ := trie.Commit(false)
|
|
triedb.Update(NewWithNodeSet(nodes))
|
|
b.StartTimer()
|
|
triedb.Dereference(h)
|
|
b.StopTimer()
|
|
}
|
|
|
|
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++ {
|
|
rand.Read(hash)
|
|
rand.Read(elems)
|
|
decodeNode(hash, elems)
|
|
}
|
|
}
|