Official Go implementation of the Ethereum protocol
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go-ethereum/trie/verkle_test.go

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4.9 KiB

// Copyright 2023 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"
"reflect"
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/trie/utils"
"github.com/holiman/uint256"
)
var (
accounts = map[common.Address]*types.StateAccount{
{1}: {
Nonce: 100,
Balance: uint256.NewInt(100),
CodeHash: common.Hash{0x1}.Bytes(),
},
{2}: {
Nonce: 200,
Balance: uint256.NewInt(200),
CodeHash: common.Hash{0x2}.Bytes(),
},
}
storages = map[common.Address]map[common.Hash][]byte{
{1}: {
common.Hash{10}: []byte{10},
common.Hash{11}: []byte{11},
common.MaxHash: []byte{0xff},
},
{2}: {
common.Hash{20}: []byte{20},
common.Hash{21}: []byte{21},
common.MaxHash: []byte{0xff},
},
}
)
func TestVerkleTreeReadWrite(t *testing.T) {
db := newTestDatabase(rawdb.NewMemoryDatabase(), rawdb.PathScheme)
tr, _ := NewVerkleTrie(types.EmptyVerkleHash, db, utils.NewPointCache(100))
for addr, acct := range accounts {
if err := tr.UpdateAccount(addr, acct, 0); err != nil {
t.Fatalf("Failed to update account, %v", err)
}
for key, val := range storages[addr] {
if err := tr.UpdateStorage(addr, key.Bytes(), val); err != nil {
t.Fatalf("Failed to update account, %v", err)
}
}
}
for addr, acct := range accounts {
stored, err := tr.GetAccount(addr)
if err != nil {
t.Fatalf("Failed to get account, %v", err)
}
if !reflect.DeepEqual(stored, acct) {
t.Fatal("account is not matched")
}
for key, val := range storages[addr] {
stored, err := tr.GetStorage(addr, key.Bytes())
if err != nil {
t.Fatalf("Failed to get storage, %v", err)
}
if !bytes.Equal(stored, val) {
t.Fatal("storage is not matched")
}
}
}
}
func TestVerkleRollBack(t *testing.T) {
db := newTestDatabase(rawdb.NewMemoryDatabase(), rawdb.PathScheme)
tr, _ := NewVerkleTrie(types.EmptyVerkleHash, db, utils.NewPointCache(100))
for addr, acct := range accounts {
// create more than 128 chunks of code
code := make([]byte, 129*32)
for i := 0; i < len(code); i += 2 {
code[i] = 0x60
code[i+1] = byte(i % 256)
}
if err := tr.UpdateAccount(addr, acct, len(code)); err != nil {
t.Fatalf("Failed to update account, %v", err)
}
for key, val := range storages[addr] {
if err := tr.UpdateStorage(addr, key.Bytes(), val); err != nil {
t.Fatalf("Failed to update account, %v", err)
}
}
hash := crypto.Keccak256Hash(code)
if err := tr.UpdateContractCode(addr, hash, code); err != nil {
t.Fatalf("Failed to update contract, %v", err)
}
}
// Check that things were created
for addr, acct := range accounts {
stored, err := tr.GetAccount(addr)
if err != nil {
t.Fatalf("Failed to get account, %v", err)
}
if !reflect.DeepEqual(stored, acct) {
t.Fatal("account is not matched")
}
for key, val := range storages[addr] {
stored, err := tr.GetStorage(addr, key.Bytes())
if err != nil {
t.Fatalf("Failed to get storage, %v", err)
}
if !bytes.Equal(stored, val) {
t.Fatal("storage is not matched")
}
}
}
// ensure there is some code in the 2nd group
keyOf2ndGroup := []byte{141, 124, 185, 236, 50, 22, 185, 39, 244, 47, 97, 209, 96, 235, 22, 13, 205, 38, 18, 201, 128, 223, 0, 59, 146, 199, 222, 119, 133, 13, 91, 0}
chunk, err := tr.root.Get(keyOf2ndGroup, nil)
if err != nil {
t.Fatalf("Failed to get account, %v", err)
}
if len(chunk) == 0 {
t.Fatal("account was not created ")
}
// Rollback first account and check that it is gone
addr1 := common.Address{1}
err = tr.RollBackAccount(addr1)
if err != nil {
t.Fatalf("error rolling back address 1: %v", err)
}
// ensure the account is gone
stored, err := tr.GetAccount(addr1)
if err != nil {
t.Fatalf("Failed to get account, %v", err)
}
if stored != nil {
t.Fatal("account was not deleted")
}
// ensure that the last code chunk is also gone from the tree
chunk, err = tr.root.Get(keyOf2ndGroup, nil)
if err != nil {
t.Fatalf("Failed to get account, %v", err)
}
if len(chunk) != 0 {
t.Fatal("account was not deleted")
}
}