857 lines
26 KiB
Go
857 lines
26 KiB
Go
// Copyright 2014 The go-ethereum Authors
|
|
// This file is part of the go-ethereum library.
|
|
//
|
|
// The go-ethereum library is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// The go-ethereum library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package trie
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/binary"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"math/big"
|
|
"math/rand"
|
|
"os"
|
|
"reflect"
|
|
"testing"
|
|
"testing/quick"
|
|
|
|
"github.com/davecgh/go-spew/spew"
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/crypto"
|
|
"github.com/ethereum/go-ethereum/ethdb/leveldb"
|
|
"github.com/ethereum/go-ethereum/ethdb/memorydb"
|
|
"github.com/ethereum/go-ethereum/rlp"
|
|
)
|
|
|
|
func init() {
|
|
spew.Config.Indent = " "
|
|
spew.Config.DisableMethods = false
|
|
}
|
|
|
|
// Used for testing
|
|
func newEmpty() *Trie {
|
|
trie, _ := New(common.Hash{}, NewDatabase(memorydb.New()))
|
|
return trie
|
|
}
|
|
|
|
func TestEmptyTrie(t *testing.T) {
|
|
var trie Trie
|
|
res := trie.Hash()
|
|
exp := emptyRoot
|
|
if res != exp {
|
|
t.Errorf("expected %x got %x", exp, res)
|
|
}
|
|
}
|
|
|
|
func TestNull(t *testing.T) {
|
|
var trie Trie
|
|
key := make([]byte, 32)
|
|
value := []byte("test")
|
|
trie.Update(key, value)
|
|
if !bytes.Equal(trie.Get(key), value) {
|
|
t.Fatal("wrong value")
|
|
}
|
|
}
|
|
|
|
func TestMissingRoot(t *testing.T) {
|
|
trie, err := New(common.HexToHash("0beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33"), NewDatabase(memorydb.New()))
|
|
if trie != nil {
|
|
t.Error("New returned non-nil trie for invalid root")
|
|
}
|
|
if _, ok := err.(*MissingNodeError); !ok {
|
|
t.Errorf("New returned wrong error: %v", err)
|
|
}
|
|
}
|
|
|
|
func TestMissingNodeDisk(t *testing.T) { testMissingNode(t, false) }
|
|
func TestMissingNodeMemonly(t *testing.T) { testMissingNode(t, true) }
|
|
|
|
func testMissingNode(t *testing.T, memonly bool) {
|
|
diskdb := memorydb.New()
|
|
triedb := NewDatabase(diskdb)
|
|
|
|
trie, _ := New(common.Hash{}, triedb)
|
|
updateString(trie, "120000", "qwerqwerqwerqwerqwerqwerqwerqwer")
|
|
updateString(trie, "123456", "asdfasdfasdfasdfasdfasdfasdfasdf")
|
|
root, _ := trie.Commit(nil)
|
|
if !memonly {
|
|
triedb.Commit(root, true, nil)
|
|
}
|
|
|
|
trie, _ = New(root, triedb)
|
|
_, err := trie.TryGet([]byte("120000"))
|
|
if err != nil {
|
|
t.Errorf("Unexpected error: %v", err)
|
|
}
|
|
trie, _ = New(root, triedb)
|
|
_, err = trie.TryGet([]byte("120099"))
|
|
if err != nil {
|
|
t.Errorf("Unexpected error: %v", err)
|
|
}
|
|
trie, _ = New(root, triedb)
|
|
_, err = trie.TryGet([]byte("123456"))
|
|
if err != nil {
|
|
t.Errorf("Unexpected error: %v", err)
|
|
}
|
|
trie, _ = New(root, triedb)
|
|
err = trie.TryUpdate([]byte("120099"), []byte("zxcvzxcvzxcvzxcvzxcvzxcvzxcvzxcv"))
|
|
if err != nil {
|
|
t.Errorf("Unexpected error: %v", err)
|
|
}
|
|
trie, _ = New(root, triedb)
|
|
err = trie.TryDelete([]byte("123456"))
|
|
if err != nil {
|
|
t.Errorf("Unexpected error: %v", err)
|
|
}
|
|
|
|
hash := common.HexToHash("0xe1d943cc8f061a0c0b98162830b970395ac9315654824bf21b73b891365262f9")
|
|
if memonly {
|
|
delete(triedb.dirties, hash)
|
|
} else {
|
|
diskdb.Delete(hash[:])
|
|
}
|
|
|
|
trie, _ = New(root, triedb)
|
|
_, err = trie.TryGet([]byte("120000"))
|
|
if _, ok := err.(*MissingNodeError); !ok {
|
|
t.Errorf("Wrong error: %v", err)
|
|
}
|
|
trie, _ = New(root, triedb)
|
|
_, err = trie.TryGet([]byte("120099"))
|
|
if _, ok := err.(*MissingNodeError); !ok {
|
|
t.Errorf("Wrong error: %v", err)
|
|
}
|
|
trie, _ = New(root, triedb)
|
|
_, err = trie.TryGet([]byte("123456"))
|
|
if err != nil {
|
|
t.Errorf("Unexpected error: %v", err)
|
|
}
|
|
trie, _ = New(root, triedb)
|
|
err = trie.TryUpdate([]byte("120099"), []byte("zxcv"))
|
|
if _, ok := err.(*MissingNodeError); !ok {
|
|
t.Errorf("Wrong error: %v", err)
|
|
}
|
|
trie, _ = New(root, triedb)
|
|
err = trie.TryDelete([]byte("123456"))
|
|
if _, ok := err.(*MissingNodeError); !ok {
|
|
t.Errorf("Wrong error: %v", err)
|
|
}
|
|
}
|
|
|
|
func TestInsert(t *testing.T) {
|
|
trie := newEmpty()
|
|
|
|
updateString(trie, "doe", "reindeer")
|
|
updateString(trie, "dog", "puppy")
|
|
updateString(trie, "dogglesworth", "cat")
|
|
|
|
exp := common.HexToHash("8aad789dff2f538bca5d8ea56e8abe10f4c7ba3a5dea95fea4cd6e7c3a1168d3")
|
|
root := trie.Hash()
|
|
if root != exp {
|
|
t.Errorf("case 1: exp %x got %x", exp, root)
|
|
}
|
|
|
|
trie = newEmpty()
|
|
updateString(trie, "A", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa")
|
|
|
|
exp = common.HexToHash("d23786fb4a010da3ce639d66d5e904a11dbc02746d1ce25029e53290cabf28ab")
|
|
root, err := trie.Commit(nil)
|
|
if err != nil {
|
|
t.Fatalf("commit error: %v", err)
|
|
}
|
|
if root != exp {
|
|
t.Errorf("case 2: exp %x got %x", exp, root)
|
|
}
|
|
}
|
|
|
|
func TestGet(t *testing.T) {
|
|
trie := newEmpty()
|
|
updateString(trie, "doe", "reindeer")
|
|
updateString(trie, "dog", "puppy")
|
|
updateString(trie, "dogglesworth", "cat")
|
|
|
|
for i := 0; i < 2; i++ {
|
|
res := getString(trie, "dog")
|
|
if !bytes.Equal(res, []byte("puppy")) {
|
|
t.Errorf("expected puppy got %x", res)
|
|
}
|
|
|
|
unknown := getString(trie, "unknown")
|
|
if unknown != nil {
|
|
t.Errorf("expected nil got %x", unknown)
|
|
}
|
|
|
|
if i == 1 {
|
|
return
|
|
}
|
|
trie.Commit(nil)
|
|
}
|
|
}
|
|
|
|
func TestDelete(t *testing.T) {
|
|
trie := newEmpty()
|
|
vals := []struct{ k, v string }{
|
|
{"do", "verb"},
|
|
{"ether", "wookiedoo"},
|
|
{"horse", "stallion"},
|
|
{"shaman", "horse"},
|
|
{"doge", "coin"},
|
|
{"ether", ""},
|
|
{"dog", "puppy"},
|
|
{"shaman", ""},
|
|
}
|
|
for _, val := range vals {
|
|
if val.v != "" {
|
|
updateString(trie, val.k, val.v)
|
|
} else {
|
|
deleteString(trie, val.k)
|
|
}
|
|
}
|
|
|
|
hash := trie.Hash()
|
|
exp := common.HexToHash("5991bb8c6514148a29db676a14ac506cd2cd5775ace63c30a4fe457715e9ac84")
|
|
if hash != exp {
|
|
t.Errorf("expected %x got %x", exp, hash)
|
|
}
|
|
}
|
|
|
|
func TestEmptyValues(t *testing.T) {
|
|
trie := newEmpty()
|
|
|
|
vals := []struct{ k, v string }{
|
|
{"do", "verb"},
|
|
{"ether", "wookiedoo"},
|
|
{"horse", "stallion"},
|
|
{"shaman", "horse"},
|
|
{"doge", "coin"},
|
|
{"ether", ""},
|
|
{"dog", "puppy"},
|
|
{"shaman", ""},
|
|
}
|
|
for _, val := range vals {
|
|
updateString(trie, val.k, val.v)
|
|
}
|
|
|
|
hash := trie.Hash()
|
|
exp := common.HexToHash("5991bb8c6514148a29db676a14ac506cd2cd5775ace63c30a4fe457715e9ac84")
|
|
if hash != exp {
|
|
t.Errorf("expected %x got %x", exp, hash)
|
|
}
|
|
}
|
|
|
|
func TestReplication(t *testing.T) {
|
|
trie := newEmpty()
|
|
vals := []struct{ k, v string }{
|
|
{"do", "verb"},
|
|
{"ether", "wookiedoo"},
|
|
{"horse", "stallion"},
|
|
{"shaman", "horse"},
|
|
{"doge", "coin"},
|
|
{"dog", "puppy"},
|
|
{"somethingveryoddindeedthis is", "myothernodedata"},
|
|
}
|
|
for _, val := range vals {
|
|
updateString(trie, val.k, val.v)
|
|
}
|
|
exp, err := trie.Commit(nil)
|
|
if err != nil {
|
|
t.Fatalf("commit error: %v", err)
|
|
}
|
|
|
|
// create a new trie on top of the database and check that lookups work.
|
|
trie2, err := New(exp, trie.db)
|
|
if err != nil {
|
|
t.Fatalf("can't recreate trie at %x: %v", exp, err)
|
|
}
|
|
for _, kv := range vals {
|
|
if string(getString(trie2, kv.k)) != kv.v {
|
|
t.Errorf("trie2 doesn't have %q => %q", kv.k, kv.v)
|
|
}
|
|
}
|
|
hash, err := trie2.Commit(nil)
|
|
if err != nil {
|
|
t.Fatalf("commit error: %v", err)
|
|
}
|
|
if hash != exp {
|
|
t.Errorf("root failure. expected %x got %x", exp, hash)
|
|
}
|
|
|
|
// perform some insertions on the new trie.
|
|
vals2 := []struct{ k, v string }{
|
|
{"do", "verb"},
|
|
{"ether", "wookiedoo"},
|
|
{"horse", "stallion"},
|
|
// {"shaman", "horse"},
|
|
// {"doge", "coin"},
|
|
// {"ether", ""},
|
|
// {"dog", "puppy"},
|
|
// {"somethingveryoddindeedthis is", "myothernodedata"},
|
|
// {"shaman", ""},
|
|
}
|
|
for _, val := range vals2 {
|
|
updateString(trie2, val.k, val.v)
|
|
}
|
|
if hash := trie2.Hash(); hash != exp {
|
|
t.Errorf("root failure. expected %x got %x", exp, hash)
|
|
}
|
|
}
|
|
|
|
func TestLargeValue(t *testing.T) {
|
|
trie := newEmpty()
|
|
trie.Update([]byte("key1"), []byte{99, 99, 99, 99})
|
|
trie.Update([]byte("key2"), bytes.Repeat([]byte{1}, 32))
|
|
trie.Hash()
|
|
}
|
|
|
|
// TestRandomCases tests som cases that were found via random fuzzing
|
|
func TestRandomCases(t *testing.T) {
|
|
var rt []randTestStep = []randTestStep{
|
|
{op: 6, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 0
|
|
{op: 6, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 1
|
|
{op: 0, key: common.Hex2Bytes("d51b182b95d677e5f1c82508c0228de96b73092d78ce78b2230cd948674f66fd1483bd"), value: common.Hex2Bytes("0000000000000002")}, // step 2
|
|
{op: 2, key: common.Hex2Bytes("c2a38512b83107d665c65235b0250002882ac2022eb00711552354832c5f1d030d0e408e"), value: common.Hex2Bytes("")}, // step 3
|
|
{op: 3, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 4
|
|
{op: 3, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 5
|
|
{op: 6, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 6
|
|
{op: 3, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 7
|
|
{op: 0, key: common.Hex2Bytes("c2a38512b83107d665c65235b0250002882ac2022eb00711552354832c5f1d030d0e408e"), value: common.Hex2Bytes("0000000000000008")}, // step 8
|
|
{op: 0, key: common.Hex2Bytes("d51b182b95d677e5f1c82508c0228de96b73092d78ce78b2230cd948674f66fd1483bd"), value: common.Hex2Bytes("0000000000000009")}, // step 9
|
|
{op: 2, key: common.Hex2Bytes("fd"), value: common.Hex2Bytes("")}, // step 10
|
|
{op: 6, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 11
|
|
{op: 6, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 12
|
|
{op: 0, key: common.Hex2Bytes("fd"), value: common.Hex2Bytes("000000000000000d")}, // step 13
|
|
{op: 6, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 14
|
|
{op: 1, key: common.Hex2Bytes("c2a38512b83107d665c65235b0250002882ac2022eb00711552354832c5f1d030d0e408e"), value: common.Hex2Bytes("")}, // step 15
|
|
{op: 3, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 16
|
|
{op: 0, key: common.Hex2Bytes("c2a38512b83107d665c65235b0250002882ac2022eb00711552354832c5f1d030d0e408e"), value: common.Hex2Bytes("0000000000000011")}, // step 17
|
|
{op: 5, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 18
|
|
{op: 3, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 19
|
|
{op: 0, key: common.Hex2Bytes("d51b182b95d677e5f1c82508c0228de96b73092d78ce78b2230cd948674f66fd1483bd"), value: common.Hex2Bytes("0000000000000014")}, // step 20
|
|
{op: 0, key: common.Hex2Bytes("d51b182b95d677e5f1c82508c0228de96b73092d78ce78b2230cd948674f66fd1483bd"), value: common.Hex2Bytes("0000000000000015")}, // step 21
|
|
{op: 0, key: common.Hex2Bytes("c2a38512b83107d665c65235b0250002882ac2022eb00711552354832c5f1d030d0e408e"), value: common.Hex2Bytes("0000000000000016")}, // step 22
|
|
{op: 5, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 23
|
|
{op: 1, key: common.Hex2Bytes("980c393656413a15c8da01978ed9f89feb80b502f58f2d640e3a2f5f7a99a7018f1b573befd92053ac6f78fca4a87268"), value: common.Hex2Bytes("")}, // step 24
|
|
{op: 1, key: common.Hex2Bytes("fd"), value: common.Hex2Bytes("")}, // step 25
|
|
}
|
|
runRandTest(rt)
|
|
|
|
}
|
|
|
|
// randTest performs random trie operations.
|
|
// Instances of this test are created by Generate.
|
|
type randTest []randTestStep
|
|
|
|
type randTestStep struct {
|
|
op int
|
|
key []byte // for opUpdate, opDelete, opGet
|
|
value []byte // for opUpdate
|
|
err error // for debugging
|
|
}
|
|
|
|
const (
|
|
opUpdate = iota
|
|
opDelete
|
|
opGet
|
|
opCommit
|
|
opHash
|
|
opReset
|
|
opItercheckhash
|
|
opMax // boundary value, not an actual op
|
|
)
|
|
|
|
func (randTest) Generate(r *rand.Rand, size int) reflect.Value {
|
|
var allKeys [][]byte
|
|
genKey := func() []byte {
|
|
if len(allKeys) < 2 || r.Intn(100) < 10 {
|
|
// new key
|
|
key := make([]byte, r.Intn(50))
|
|
r.Read(key)
|
|
allKeys = append(allKeys, key)
|
|
return key
|
|
}
|
|
// use existing key
|
|
return allKeys[r.Intn(len(allKeys))]
|
|
}
|
|
|
|
var steps randTest
|
|
for i := 0; i < size; i++ {
|
|
step := randTestStep{op: r.Intn(opMax)}
|
|
switch step.op {
|
|
case opUpdate:
|
|
step.key = genKey()
|
|
step.value = make([]byte, 8)
|
|
binary.BigEndian.PutUint64(step.value, uint64(i))
|
|
case opGet, opDelete:
|
|
step.key = genKey()
|
|
}
|
|
steps = append(steps, step)
|
|
}
|
|
return reflect.ValueOf(steps)
|
|
}
|
|
|
|
func runRandTest(rt randTest) bool {
|
|
triedb := NewDatabase(memorydb.New())
|
|
|
|
tr, _ := New(common.Hash{}, triedb)
|
|
values := make(map[string]string) // tracks content of the trie
|
|
|
|
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 0x%x, got 0x%x want 0x%x", step.key, v, want)
|
|
}
|
|
case opCommit:
|
|
_, rt[i].err = tr.Commit(nil)
|
|
case opHash:
|
|
tr.Hash()
|
|
case opReset:
|
|
hash, err := tr.Commit(nil)
|
|
if err != nil {
|
|
rt[i].err = err
|
|
return false
|
|
}
|
|
newtr, err := New(hash, triedb)
|
|
if err != nil {
|
|
rt[i].err = err
|
|
return false
|
|
}
|
|
tr = newtr
|
|
case opItercheckhash:
|
|
checktr, _ := New(common.Hash{}, 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")
|
|
}
|
|
}
|
|
// 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, false) }
|
|
func BenchmarkGetDB(b *testing.B) { benchGet(b, true) }
|
|
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, commit bool) {
|
|
trie := new(Trie)
|
|
if commit {
|
|
_, tmpdb := tempDB()
|
|
trie, _ = New(common.Hash{}, tmpdb)
|
|
}
|
|
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)
|
|
if commit {
|
|
trie.Commit(nil)
|
|
}
|
|
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
trie.Get(k)
|
|
}
|
|
b.StopTimer()
|
|
|
|
if commit {
|
|
ldb := trie.db.diskdb.(*leveldb.Database)
|
|
ldb.Close()
|
|
os.RemoveAll(ldb.Path())
|
|
}
|
|
}
|
|
|
|
func benchUpdate(b *testing.B, e binary.ByteOrder) *Trie {
|
|
trie := newEmpty()
|
|
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()
|
|
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()
|
|
}
|
|
|
|
type account struct {
|
|
Nonce uint64
|
|
Balance *big.Int
|
|
Root common.Hash
|
|
Code []byte
|
|
}
|
|
|
|
// 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, nil)
|
|
})
|
|
var a account
|
|
onleaf := func(path []byte, leaf []byte, parent common.Hash) error {
|
|
rlp.DecodeBytes(leaf, &a)
|
|
return nil
|
|
}
|
|
b.Run("with-onleaf", func(b *testing.B) {
|
|
benchmarkCommitAfterHash(b, onleaf)
|
|
})
|
|
}
|
|
|
|
func benchmarkCommitAfterHash(b *testing.B, onleaf LeafCallback) {
|
|
// Make the random benchmark deterministic
|
|
addresses, accounts := makeAccounts(b.N)
|
|
trie := newEmpty()
|
|
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(onleaf)
|
|
}
|
|
|
|
func TestTinyTrie(t *testing.T) {
|
|
// Create a realistic account trie to hash
|
|
_, accounts := makeAccounts(10000)
|
|
trie := newEmpty()
|
|
trie.Update(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000001337"), accounts[3])
|
|
if exp, root := common.HexToHash("4fa6efd292cffa2db0083b8bedd23add2798ae73802442f52486e95c3df7111c"), trie.Hash(); exp != root {
|
|
t.Fatalf("1: got %x, exp %x", root, exp)
|
|
}
|
|
trie.Update(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000001338"), accounts[4])
|
|
if exp, root := common.HexToHash("cb5fb1213826dad9e604f095f8ceb5258fe6b5c01805ce6ef019a50699d2d479"), trie.Hash(); exp != root {
|
|
t.Fatalf("2: got %x, exp %x", root, exp)
|
|
}
|
|
trie.Update(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000001339"), accounts[4])
|
|
if exp, root := common.HexToHash("ed7e06b4010057d8703e7b9a160a6d42cf4021f9020da3c8891030349a646987"), trie.Hash(); exp != root {
|
|
t.Fatalf("3: got %x, exp %x", root, exp)
|
|
}
|
|
|
|
checktr, _ := New(common.Hash{}, trie.db)
|
|
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()
|
|
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(nil)
|
|
root := trie.Hash()
|
|
exp := common.HexToHash("e5e9c29bb50446a4081e6d1d748d2892c6101c1e883a1f77cf21d4094b697822")
|
|
if exp != root {
|
|
t.Errorf("got %x, exp %x", root, exp)
|
|
}
|
|
root, _ = trie.Commit(nil)
|
|
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++ {
|
|
for j := 0; j < len(addresses[i]); j++ {
|
|
addresses[i][j] = byte(random.Intn(256))
|
|
}
|
|
}
|
|
accounts = make([][]byte, len(addresses))
|
|
for i := 0; i < len(accounts); i++ {
|
|
var (
|
|
nonce = uint64(random.Int63())
|
|
balance = new(big.Int).Rand(random, new(big.Int).Exp(common.Big2, common.Big256, nil))
|
|
root = emptyRoot
|
|
code = crypto.Keccak256(nil)
|
|
)
|
|
accounts[i], _ = rlp.EncodeToBytes(&account{nonce, balance, root, code})
|
|
}
|
|
return addresses, accounts
|
|
}
|
|
|
|
// 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()
|
|
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()
|
|
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(nil)
|
|
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()
|
|
trie := newEmpty()
|
|
for i := 0; i < len(addresses); i++ {
|
|
trie.Update(crypto.Keccak256(addresses[i][:]), accounts[i])
|
|
}
|
|
h := trie.Hash()
|
|
trie.Commit(nil)
|
|
b.StartTimer()
|
|
trie.db.Dereference(h)
|
|
b.StopTimer()
|
|
}
|
|
|
|
func tempDB() (string, *Database) {
|
|
dir, err := ioutil.TempDir("", "trie-bench")
|
|
if err != nil {
|
|
panic(fmt.Sprintf("can't create temporary directory: %v", err))
|
|
}
|
|
diskdb, err := leveldb.New(dir, 256, 0, "")
|
|
if err != nil {
|
|
panic(fmt.Sprintf("can't create temporary database: %v", err))
|
|
}
|
|
return dir, NewDatabase(diskdb)
|
|
}
|
|
|
|
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)
|
|
}
|
|
}
|