99f81d2724
In this PR, all TryXXX(e.g. TryGet) APIs of trie are renamed to XXX(e.g. Get) with an error returned. The original XXX(e.g. Get) APIs are renamed to MustXXX(e.g. MustGet) and does not return any error -- they print a log output. A future PR will change the behaviour to panic on errorrs.
877 lines
39 KiB
Go
877 lines
39 KiB
Go
// Copyright 2019 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 snapshot
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import (
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"fmt"
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"math/big"
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"os"
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"testing"
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"time"
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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/ethdb"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/rlp"
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"github.com/ethereum/go-ethereum/trie"
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"golang.org/x/crypto/sha3"
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)
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func hashData(input []byte) common.Hash {
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var hasher = sha3.NewLegacyKeccak256()
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var hash common.Hash
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hasher.Reset()
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hasher.Write(input)
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hasher.Sum(hash[:0])
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return hash
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}
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// Tests that snapshot generation from an empty database.
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func TestGeneration(t *testing.T) {
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// We can't use statedb to make a test trie (circular dependency), so make
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// a fake one manually. We're going with a small account trie of 3 accounts,
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// two of which also has the same 3-slot storage trie attached.
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var helper = newHelper()
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stRoot := helper.makeStorageTrie(common.Hash{}, common.Hash{}, []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, false)
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helper.addTrieAccount("acc-1", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
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helper.addTrieAccount("acc-2", &Account{Balance: big.NewInt(2), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()})
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helper.addTrieAccount("acc-3", &Account{Balance: big.NewInt(3), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
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helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-1")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
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helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-3")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
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root, snap := helper.CommitAndGenerate()
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if have, want := root, common.HexToHash("0xe3712f1a226f3782caca78ca770ccc19ee000552813a9f59d479f8611db9b1fd"); have != want {
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t.Fatalf("have %#x want %#x", have, want)
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}
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select {
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case <-snap.genPending:
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// Snapshot generation succeeded
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case <-time.After(3 * time.Second):
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t.Errorf("Snapshot generation failed")
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}
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checkSnapRoot(t, snap, root)
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// Signal abortion to the generator and wait for it to tear down
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stop := make(chan *generatorStats)
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snap.genAbort <- stop
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<-stop
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}
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// Tests that snapshot generation with existent flat state.
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func TestGenerateExistentState(t *testing.T) {
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// We can't use statedb to make a test trie (circular dependency), so make
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// a fake one manually. We're going with a small account trie of 3 accounts,
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// two of which also has the same 3-slot storage trie attached.
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var helper = newHelper()
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stRoot := helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-1")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
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helper.addTrieAccount("acc-1", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
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helper.addSnapAccount("acc-1", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
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helper.addSnapStorage("acc-1", []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"})
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helper.addTrieAccount("acc-2", &Account{Balance: big.NewInt(2), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()})
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helper.addSnapAccount("acc-2", &Account{Balance: big.NewInt(2), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()})
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stRoot = helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-3")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
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helper.addTrieAccount("acc-3", &Account{Balance: big.NewInt(3), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
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helper.addSnapAccount("acc-3", &Account{Balance: big.NewInt(3), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
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helper.addSnapStorage("acc-3", []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"})
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root, snap := helper.CommitAndGenerate()
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select {
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case <-snap.genPending:
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// Snapshot generation succeeded
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case <-time.After(3 * time.Second):
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t.Errorf("Snapshot generation failed")
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}
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checkSnapRoot(t, snap, root)
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// Signal abortion to the generator and wait for it to tear down
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stop := make(chan *generatorStats)
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snap.genAbort <- stop
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<-stop
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}
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func checkSnapRoot(t *testing.T, snap *diskLayer, trieRoot common.Hash) {
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t.Helper()
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accIt := snap.AccountIterator(common.Hash{})
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defer accIt.Release()
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snapRoot, err := generateTrieRoot(nil, "", accIt, common.Hash{}, stackTrieGenerate,
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func(db ethdb.KeyValueWriter, accountHash, codeHash common.Hash, stat *generateStats) (common.Hash, error) {
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storageIt, _ := snap.StorageIterator(accountHash, common.Hash{})
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defer storageIt.Release()
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hash, err := generateTrieRoot(nil, "", storageIt, accountHash, stackTrieGenerate, nil, stat, false)
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if err != nil {
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return common.Hash{}, err
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}
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return hash, nil
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}, newGenerateStats(), true)
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if err != nil {
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t.Fatal(err)
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}
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if snapRoot != trieRoot {
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t.Fatalf("snaproot: %#x != trieroot #%x", snapRoot, trieRoot)
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}
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if err := CheckDanglingStorage(snap.diskdb); err != nil {
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t.Fatalf("Detected dangling storages: %v", err)
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}
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}
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type testHelper struct {
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diskdb ethdb.Database
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triedb *trie.Database
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accTrie *trie.StateTrie
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nodes *trie.MergedNodeSet
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}
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func newHelper() *testHelper {
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diskdb := rawdb.NewMemoryDatabase()
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triedb := trie.NewDatabase(diskdb)
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accTrie, _ := trie.NewStateTrie(trie.StateTrieID(common.Hash{}), triedb)
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return &testHelper{
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diskdb: diskdb,
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triedb: triedb,
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accTrie: accTrie,
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nodes: trie.NewMergedNodeSet(),
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}
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}
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func (t *testHelper) addTrieAccount(acckey string, acc *Account) {
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val, _ := rlp.EncodeToBytes(acc)
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t.accTrie.MustUpdate([]byte(acckey), val)
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}
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func (t *testHelper) addSnapAccount(acckey string, acc *Account) {
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val, _ := rlp.EncodeToBytes(acc)
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key := hashData([]byte(acckey))
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rawdb.WriteAccountSnapshot(t.diskdb, key, val)
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}
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func (t *testHelper) addAccount(acckey string, acc *Account) {
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t.addTrieAccount(acckey, acc)
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t.addSnapAccount(acckey, acc)
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}
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func (t *testHelper) addSnapStorage(accKey string, keys []string, vals []string) {
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accHash := hashData([]byte(accKey))
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for i, key := range keys {
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rawdb.WriteStorageSnapshot(t.diskdb, accHash, hashData([]byte(key)), []byte(vals[i]))
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}
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}
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func (t *testHelper) makeStorageTrie(stateRoot, owner common.Hash, keys []string, vals []string, commit bool) []byte {
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id := trie.StorageTrieID(stateRoot, owner, common.Hash{})
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stTrie, _ := trie.NewStateTrie(id, t.triedb)
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for i, k := range keys {
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stTrie.MustUpdate([]byte(k), []byte(vals[i]))
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}
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if !commit {
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return stTrie.Hash().Bytes()
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}
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root, nodes := stTrie.Commit(false)
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if nodes != nil {
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t.nodes.Merge(nodes)
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}
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return root.Bytes()
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}
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func (t *testHelper) Commit() common.Hash {
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root, nodes := t.accTrie.Commit(true)
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if nodes != nil {
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t.nodes.Merge(nodes)
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}
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t.triedb.Update(t.nodes)
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t.triedb.Commit(root, false)
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return root
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}
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func (t *testHelper) CommitAndGenerate() (common.Hash, *diskLayer) {
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root := t.Commit()
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snap := generateSnapshot(t.diskdb, t.triedb, 16, root)
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return root, snap
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}
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// Tests that snapshot generation with existent flat state, where the flat state
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// contains some errors:
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// - the contract with empty storage root but has storage entries in the disk
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// - the contract with non empty storage root but empty storage slots
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// - the contract(non-empty storage) misses some storage slots
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// - miss in the beginning
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// - miss in the middle
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// - miss in the end
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//
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// - the contract(non-empty storage) has wrong storage slots
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// - wrong slots in the beginning
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// - wrong slots in the middle
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// - wrong slots in the end
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//
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// - the contract(non-empty storage) has extra storage slots
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// - extra slots in the beginning
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// - extra slots in the middle
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// - extra slots in the end
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func TestGenerateExistentStateWithWrongStorage(t *testing.T) {
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helper := newHelper()
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// Account one, empty root but non-empty database
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helper.addAccount("acc-1", &Account{Balance: big.NewInt(1), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()})
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helper.addSnapStorage("acc-1", []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"})
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// Account two, non empty root but empty database
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stRoot := helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-2")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
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helper.addAccount("acc-2", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
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// Miss slots
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{
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// Account three, non empty root but misses slots in the beginning
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helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-3")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
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helper.addAccount("acc-3", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
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helper.addSnapStorage("acc-3", []string{"key-2", "key-3"}, []string{"val-2", "val-3"})
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// Account four, non empty root but misses slots in the middle
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helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-4")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
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helper.addAccount("acc-4", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
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helper.addSnapStorage("acc-4", []string{"key-1", "key-3"}, []string{"val-1", "val-3"})
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// Account five, non empty root but misses slots in the end
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helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-5")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
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helper.addAccount("acc-5", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
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helper.addSnapStorage("acc-5", []string{"key-1", "key-2"}, []string{"val-1", "val-2"})
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}
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// Wrong storage slots
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{
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// Account six, non empty root but wrong slots in the beginning
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helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-6")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
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helper.addAccount("acc-6", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
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helper.addSnapStorage("acc-6", []string{"key-1", "key-2", "key-3"}, []string{"badval-1", "val-2", "val-3"})
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// Account seven, non empty root but wrong slots in the middle
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helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-7")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
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helper.addAccount("acc-7", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
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helper.addSnapStorage("acc-7", []string{"key-1", "key-2", "key-3"}, []string{"val-1", "badval-2", "val-3"})
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// Account eight, non empty root but wrong slots in the end
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helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-8")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
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helper.addAccount("acc-8", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
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helper.addSnapStorage("acc-8", []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "badval-3"})
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// Account 9, non empty root but rotated slots
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helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-9")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
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helper.addAccount("acc-9", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
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helper.addSnapStorage("acc-9", []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-3", "val-2"})
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}
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// Extra storage slots
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{
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// Account 10, non empty root but extra slots in the beginning
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helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-10")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
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helper.addAccount("acc-10", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
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helper.addSnapStorage("acc-10", []string{"key-0", "key-1", "key-2", "key-3"}, []string{"val-0", "val-1", "val-2", "val-3"})
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// Account 11, non empty root but extra slots in the middle
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helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-11")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
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helper.addAccount("acc-11", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
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helper.addSnapStorage("acc-11", []string{"key-1", "key-2", "key-2-1", "key-3"}, []string{"val-1", "val-2", "val-2-1", "val-3"})
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// Account 12, non empty root but extra slots in the end
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helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-12")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
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helper.addAccount("acc-12", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
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helper.addSnapStorage("acc-12", []string{"key-1", "key-2", "key-3", "key-4"}, []string{"val-1", "val-2", "val-3", "val-4"})
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}
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root, snap := helper.CommitAndGenerate()
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t.Logf("Root: %#x\n", root) // Root = 0x8746cce9fd9c658b2cfd639878ed6584b7a2b3e73bb40f607fcfa156002429a0
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select {
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case <-snap.genPending:
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// Snapshot generation succeeded
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case <-time.After(3 * time.Second):
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t.Errorf("Snapshot generation failed")
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}
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checkSnapRoot(t, snap, root)
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// Signal abortion to the generator and wait for it to tear down
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stop := make(chan *generatorStats)
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snap.genAbort <- stop
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<-stop
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}
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// Tests that snapshot generation with existent flat state, where the flat state
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// contains some errors:
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// - miss accounts
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// - wrong accounts
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// - extra accounts
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func TestGenerateExistentStateWithWrongAccounts(t *testing.T) {
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helper := newHelper()
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helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-1")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
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helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-2")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
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helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-3")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
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helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-4")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
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stRoot := helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-6")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
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// Trie accounts [acc-1, acc-2, acc-3, acc-4, acc-6]
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// Extra accounts [acc-0, acc-5, acc-7]
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// Missing accounts, only in the trie
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{
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helper.addTrieAccount("acc-1", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()}) // Beginning
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helper.addTrieAccount("acc-4", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()}) // Middle
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helper.addTrieAccount("acc-6", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()}) // End
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}
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// Wrong accounts
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{
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helper.addTrieAccount("acc-2", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
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helper.addSnapAccount("acc-2", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: common.Hex2Bytes("0x1234")})
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helper.addTrieAccount("acc-3", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
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helper.addSnapAccount("acc-3", &Account{Balance: big.NewInt(1), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()})
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}
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// Extra accounts, only in the snap
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{
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helper.addSnapAccount("acc-0", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()}) // before the beginning
|
|
helper.addSnapAccount("acc-5", &Account{Balance: big.NewInt(1), Root: types.EmptyRootHash.Bytes(), CodeHash: common.Hex2Bytes("0x1234")}) // Middle
|
|
helper.addSnapAccount("acc-7", &Account{Balance: big.NewInt(1), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()}) // after the end
|
|
}
|
|
|
|
root, snap := helper.CommitAndGenerate()
|
|
t.Logf("Root: %#x\n", root) // Root = 0x825891472281463511e7ebcc7f109e4f9200c20fa384754e11fd605cd98464e8
|
|
|
|
select {
|
|
case <-snap.genPending:
|
|
// Snapshot generation succeeded
|
|
|
|
case <-time.After(3 * time.Second):
|
|
t.Errorf("Snapshot generation failed")
|
|
}
|
|
checkSnapRoot(t, snap, root)
|
|
|
|
// Signal abortion to the generator and wait for it to tear down
|
|
stop := make(chan *generatorStats)
|
|
snap.genAbort <- stop
|
|
<-stop
|
|
}
|
|
|
|
// Tests that snapshot generation errors out correctly in case of a missing trie
|
|
// node in the account trie.
|
|
func TestGenerateCorruptAccountTrie(t *testing.T) {
|
|
// We can't use statedb to make a test trie (circular dependency), so make
|
|
// a fake one manually. We're going with a small account trie of 3 accounts,
|
|
// without any storage slots to keep the test smaller.
|
|
helper := newHelper()
|
|
|
|
helper.addTrieAccount("acc-1", &Account{Balance: big.NewInt(1), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()}) // 0xc7a30f39aff471c95d8a837497ad0e49b65be475cc0953540f80cfcdbdcd9074
|
|
helper.addTrieAccount("acc-2", &Account{Balance: big.NewInt(2), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()}) // 0x65145f923027566669a1ae5ccac66f945b55ff6eaeb17d2ea8e048b7d381f2d7
|
|
helper.addTrieAccount("acc-3", &Account{Balance: big.NewInt(3), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()}) // 0x19ead688e907b0fab07176120dceec244a72aff2f0aa51e8b827584e378772f4
|
|
|
|
root := helper.Commit() // Root: 0xa04693ea110a31037fb5ee814308a6f1d76bdab0b11676bdf4541d2de55ba978
|
|
|
|
// Delete an account trie leaf and ensure the generator chokes
|
|
helper.triedb.Commit(root, false)
|
|
helper.diskdb.Delete(common.HexToHash("0x65145f923027566669a1ae5ccac66f945b55ff6eaeb17d2ea8e048b7d381f2d7").Bytes())
|
|
|
|
snap := generateSnapshot(helper.diskdb, helper.triedb, 16, root)
|
|
select {
|
|
case <-snap.genPending:
|
|
// Snapshot generation succeeded
|
|
t.Errorf("Snapshot generated against corrupt account trie")
|
|
|
|
case <-time.After(time.Second):
|
|
// Not generated fast enough, hopefully blocked inside on missing trie node fail
|
|
}
|
|
// Signal abortion to the generator and wait for it to tear down
|
|
stop := make(chan *generatorStats)
|
|
snap.genAbort <- stop
|
|
<-stop
|
|
}
|
|
|
|
// Tests that snapshot generation errors out correctly in case of a missing root
|
|
// trie node for a storage trie. It's similar to internal corruption but it is
|
|
// handled differently inside the generator.
|
|
func TestGenerateMissingStorageTrie(t *testing.T) {
|
|
// We can't use statedb to make a test trie (circular dependency), so make
|
|
// a fake one manually. We're going with a small account trie of 3 accounts,
|
|
// two of which also has the same 3-slot storage trie attached.
|
|
helper := newHelper()
|
|
|
|
stRoot := helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-1")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true) // 0xddefcd9376dd029653ef384bd2f0a126bb755fe84fdcc9e7cf421ba454f2bc67
|
|
helper.addTrieAccount("acc-1", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()}) // 0x9250573b9c18c664139f3b6a7a8081b7d8f8916a8fcc5d94feec6c29f5fd4e9e
|
|
helper.addTrieAccount("acc-2", &Account{Balance: big.NewInt(2), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()}) // 0x65145f923027566669a1ae5ccac66f945b55ff6eaeb17d2ea8e048b7d381f2d7
|
|
stRoot = helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-3")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
|
|
helper.addTrieAccount("acc-3", &Account{Balance: big.NewInt(3), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()}) // 0x50815097425d000edfc8b3a4a13e175fc2bdcfee8bdfbf2d1ff61041d3c235b2
|
|
|
|
root := helper.Commit()
|
|
|
|
// Delete a storage trie root and ensure the generator chokes
|
|
helper.diskdb.Delete(stRoot)
|
|
|
|
snap := generateSnapshot(helper.diskdb, helper.triedb, 16, root)
|
|
select {
|
|
case <-snap.genPending:
|
|
// Snapshot generation succeeded
|
|
t.Errorf("Snapshot generated against corrupt storage trie")
|
|
|
|
case <-time.After(time.Second):
|
|
// Not generated fast enough, hopefully blocked inside on missing trie node fail
|
|
}
|
|
// Signal abortion to the generator and wait for it to tear down
|
|
stop := make(chan *generatorStats)
|
|
snap.genAbort <- stop
|
|
<-stop
|
|
}
|
|
|
|
// Tests that snapshot generation errors out correctly in case of a missing trie
|
|
// node in a storage trie.
|
|
func TestGenerateCorruptStorageTrie(t *testing.T) {
|
|
// We can't use statedb to make a test trie (circular dependency), so make
|
|
// a fake one manually. We're going with a small account trie of 3 accounts,
|
|
// two of which also has the same 3-slot storage trie attached.
|
|
helper := newHelper()
|
|
|
|
stRoot := helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-1")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true) // 0xddefcd9376dd029653ef384bd2f0a126bb755fe84fdcc9e7cf421ba454f2bc67
|
|
helper.addTrieAccount("acc-1", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()}) // 0x9250573b9c18c664139f3b6a7a8081b7d8f8916a8fcc5d94feec6c29f5fd4e9e
|
|
helper.addTrieAccount("acc-2", &Account{Balance: big.NewInt(2), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()}) // 0x65145f923027566669a1ae5ccac66f945b55ff6eaeb17d2ea8e048b7d381f2d7
|
|
stRoot = helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-3")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
|
|
helper.addTrieAccount("acc-3", &Account{Balance: big.NewInt(3), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()}) // 0x50815097425d000edfc8b3a4a13e175fc2bdcfee8bdfbf2d1ff61041d3c235b2
|
|
|
|
root := helper.Commit()
|
|
|
|
// Delete a storage trie leaf and ensure the generator chokes
|
|
helper.diskdb.Delete(common.HexToHash("0x18a0f4d79cff4459642dd7604f303886ad9d77c30cf3d7d7cedb3a693ab6d371").Bytes())
|
|
|
|
snap := generateSnapshot(helper.diskdb, helper.triedb, 16, root)
|
|
select {
|
|
case <-snap.genPending:
|
|
// Snapshot generation succeeded
|
|
t.Errorf("Snapshot generated against corrupt storage trie")
|
|
|
|
case <-time.After(time.Second):
|
|
// Not generated fast enough, hopefully blocked inside on missing trie node fail
|
|
}
|
|
// Signal abortion to the generator and wait for it to tear down
|
|
stop := make(chan *generatorStats)
|
|
snap.genAbort <- stop
|
|
<-stop
|
|
}
|
|
|
|
// Tests that snapshot generation when an extra account with storage exists in the snap state.
|
|
func TestGenerateWithExtraAccounts(t *testing.T) {
|
|
helper := newHelper()
|
|
{
|
|
// Account one in the trie
|
|
stRoot := helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-1")),
|
|
[]string{"key-1", "key-2", "key-3", "key-4", "key-5"},
|
|
[]string{"val-1", "val-2", "val-3", "val-4", "val-5"},
|
|
true,
|
|
)
|
|
acc := &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()}
|
|
val, _ := rlp.EncodeToBytes(acc)
|
|
helper.accTrie.MustUpdate([]byte("acc-1"), val) // 0x9250573b9c18c664139f3b6a7a8081b7d8f8916a8fcc5d94feec6c29f5fd4e9e
|
|
|
|
// Identical in the snap
|
|
key := hashData([]byte("acc-1"))
|
|
rawdb.WriteAccountSnapshot(helper.diskdb, key, val)
|
|
rawdb.WriteStorageSnapshot(helper.diskdb, key, hashData([]byte("key-1")), []byte("val-1"))
|
|
rawdb.WriteStorageSnapshot(helper.diskdb, key, hashData([]byte("key-2")), []byte("val-2"))
|
|
rawdb.WriteStorageSnapshot(helper.diskdb, key, hashData([]byte("key-3")), []byte("val-3"))
|
|
rawdb.WriteStorageSnapshot(helper.diskdb, key, hashData([]byte("key-4")), []byte("val-4"))
|
|
rawdb.WriteStorageSnapshot(helper.diskdb, key, hashData([]byte("key-5")), []byte("val-5"))
|
|
}
|
|
{
|
|
// Account two exists only in the snapshot
|
|
stRoot := helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-2")),
|
|
[]string{"key-1", "key-2", "key-3", "key-4", "key-5"},
|
|
[]string{"val-1", "val-2", "val-3", "val-4", "val-5"},
|
|
true,
|
|
)
|
|
acc := &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()}
|
|
val, _ := rlp.EncodeToBytes(acc)
|
|
key := hashData([]byte("acc-2"))
|
|
rawdb.WriteAccountSnapshot(helper.diskdb, key, val)
|
|
rawdb.WriteStorageSnapshot(helper.diskdb, key, hashData([]byte("b-key-1")), []byte("b-val-1"))
|
|
rawdb.WriteStorageSnapshot(helper.diskdb, key, hashData([]byte("b-key-2")), []byte("b-val-2"))
|
|
rawdb.WriteStorageSnapshot(helper.diskdb, key, hashData([]byte("b-key-3")), []byte("b-val-3"))
|
|
}
|
|
root := helper.Commit()
|
|
|
|
// To verify the test: If we now inspect the snap db, there should exist extraneous storage items
|
|
if data := rawdb.ReadStorageSnapshot(helper.diskdb, hashData([]byte("acc-2")), hashData([]byte("b-key-1"))); data == nil {
|
|
t.Fatalf("expected snap storage to exist")
|
|
}
|
|
snap := generateSnapshot(helper.diskdb, helper.triedb, 16, root)
|
|
select {
|
|
case <-snap.genPending:
|
|
// Snapshot generation succeeded
|
|
|
|
case <-time.After(3 * time.Second):
|
|
t.Errorf("Snapshot generation failed")
|
|
}
|
|
checkSnapRoot(t, snap, root)
|
|
|
|
// Signal abortion to the generator and wait for it to tear down
|
|
stop := make(chan *generatorStats)
|
|
snap.genAbort <- stop
|
|
<-stop
|
|
// If we now inspect the snap db, there should exist no extraneous storage items
|
|
if data := rawdb.ReadStorageSnapshot(helper.diskdb, hashData([]byte("acc-2")), hashData([]byte("b-key-1"))); data != nil {
|
|
t.Fatalf("expected slot to be removed, got %v", string(data))
|
|
}
|
|
}
|
|
|
|
func enableLogging() {
|
|
log.Root().SetHandler(log.LvlFilterHandler(log.LvlTrace, log.StreamHandler(os.Stderr, log.TerminalFormat(true))))
|
|
}
|
|
|
|
// Tests that snapshot generation when an extra account with storage exists in the snap state.
|
|
func TestGenerateWithManyExtraAccounts(t *testing.T) {
|
|
if false {
|
|
enableLogging()
|
|
}
|
|
helper := newHelper()
|
|
{
|
|
// Account one in the trie
|
|
stRoot := helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-1")),
|
|
[]string{"key-1", "key-2", "key-3"},
|
|
[]string{"val-1", "val-2", "val-3"},
|
|
true,
|
|
)
|
|
acc := &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()}
|
|
val, _ := rlp.EncodeToBytes(acc)
|
|
helper.accTrie.MustUpdate([]byte("acc-1"), val) // 0x9250573b9c18c664139f3b6a7a8081b7d8f8916a8fcc5d94feec6c29f5fd4e9e
|
|
|
|
// Identical in the snap
|
|
key := hashData([]byte("acc-1"))
|
|
rawdb.WriteAccountSnapshot(helper.diskdb, key, val)
|
|
rawdb.WriteStorageSnapshot(helper.diskdb, key, hashData([]byte("key-1")), []byte("val-1"))
|
|
rawdb.WriteStorageSnapshot(helper.diskdb, key, hashData([]byte("key-2")), []byte("val-2"))
|
|
rawdb.WriteStorageSnapshot(helper.diskdb, key, hashData([]byte("key-3")), []byte("val-3"))
|
|
}
|
|
{
|
|
// 100 accounts exist only in snapshot
|
|
for i := 0; i < 1000; i++ {
|
|
acc := &Account{Balance: big.NewInt(int64(i)), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()}
|
|
val, _ := rlp.EncodeToBytes(acc)
|
|
key := hashData([]byte(fmt.Sprintf("acc-%d", i)))
|
|
rawdb.WriteAccountSnapshot(helper.diskdb, key, val)
|
|
}
|
|
}
|
|
root, snap := helper.CommitAndGenerate()
|
|
select {
|
|
case <-snap.genPending:
|
|
// Snapshot generation succeeded
|
|
|
|
case <-time.After(3 * time.Second):
|
|
t.Errorf("Snapshot generation failed")
|
|
}
|
|
checkSnapRoot(t, snap, root)
|
|
// Signal abortion to the generator and wait for it to tear down
|
|
stop := make(chan *generatorStats)
|
|
snap.genAbort <- stop
|
|
<-stop
|
|
}
|
|
|
|
// Tests this case
|
|
// maxAccountRange 3
|
|
// snapshot-accounts: 01, 02, 03, 04, 05, 06, 07
|
|
// trie-accounts: 03, 07
|
|
//
|
|
// We iterate three snapshot storage slots (max = 3) from the database. They are 0x01, 0x02, 0x03.
|
|
// The trie has a lot of deletions.
|
|
// So in trie, we iterate 2 entries 0x03, 0x07. We create the 0x07 in the database and abort the procedure, because the trie is exhausted.
|
|
// But in the database, we still have the stale storage slots 0x04, 0x05. They are not iterated yet, but the procedure is finished.
|
|
func TestGenerateWithExtraBeforeAndAfter(t *testing.T) {
|
|
accountCheckRange = 3
|
|
if false {
|
|
enableLogging()
|
|
}
|
|
helper := newHelper()
|
|
{
|
|
acc := &Account{Balance: big.NewInt(1), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()}
|
|
val, _ := rlp.EncodeToBytes(acc)
|
|
helper.accTrie.MustUpdate(common.HexToHash("0x03").Bytes(), val)
|
|
helper.accTrie.MustUpdate(common.HexToHash("0x07").Bytes(), val)
|
|
|
|
rawdb.WriteAccountSnapshot(helper.diskdb, common.HexToHash("0x01"), val)
|
|
rawdb.WriteAccountSnapshot(helper.diskdb, common.HexToHash("0x02"), val)
|
|
rawdb.WriteAccountSnapshot(helper.diskdb, common.HexToHash("0x03"), val)
|
|
rawdb.WriteAccountSnapshot(helper.diskdb, common.HexToHash("0x04"), val)
|
|
rawdb.WriteAccountSnapshot(helper.diskdb, common.HexToHash("0x05"), val)
|
|
rawdb.WriteAccountSnapshot(helper.diskdb, common.HexToHash("0x06"), val)
|
|
rawdb.WriteAccountSnapshot(helper.diskdb, common.HexToHash("0x07"), val)
|
|
}
|
|
root, snap := helper.CommitAndGenerate()
|
|
select {
|
|
case <-snap.genPending:
|
|
// Snapshot generation succeeded
|
|
|
|
case <-time.After(3 * time.Second):
|
|
t.Errorf("Snapshot generation failed")
|
|
}
|
|
checkSnapRoot(t, snap, root)
|
|
// Signal abortion to the generator and wait for it to tear down
|
|
stop := make(chan *generatorStats)
|
|
snap.genAbort <- stop
|
|
<-stop
|
|
}
|
|
|
|
// TestGenerateWithMalformedSnapdata tests what happes if we have some junk
|
|
// in the snapshot database, which cannot be parsed back to an account
|
|
func TestGenerateWithMalformedSnapdata(t *testing.T) {
|
|
accountCheckRange = 3
|
|
if false {
|
|
enableLogging()
|
|
}
|
|
helper := newHelper()
|
|
{
|
|
acc := &Account{Balance: big.NewInt(1), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()}
|
|
val, _ := rlp.EncodeToBytes(acc)
|
|
helper.accTrie.MustUpdate(common.HexToHash("0x03").Bytes(), val)
|
|
|
|
junk := make([]byte, 100)
|
|
copy(junk, []byte{0xde, 0xad})
|
|
rawdb.WriteAccountSnapshot(helper.diskdb, common.HexToHash("0x02"), junk)
|
|
rawdb.WriteAccountSnapshot(helper.diskdb, common.HexToHash("0x03"), junk)
|
|
rawdb.WriteAccountSnapshot(helper.diskdb, common.HexToHash("0x04"), junk)
|
|
rawdb.WriteAccountSnapshot(helper.diskdb, common.HexToHash("0x05"), junk)
|
|
}
|
|
root, snap := helper.CommitAndGenerate()
|
|
select {
|
|
case <-snap.genPending:
|
|
// Snapshot generation succeeded
|
|
|
|
case <-time.After(3 * time.Second):
|
|
t.Errorf("Snapshot generation failed")
|
|
}
|
|
checkSnapRoot(t, snap, root)
|
|
// Signal abortion to the generator and wait for it to tear down
|
|
stop := make(chan *generatorStats)
|
|
snap.genAbort <- stop
|
|
<-stop
|
|
// If we now inspect the snap db, there should exist no extraneous storage items
|
|
if data := rawdb.ReadStorageSnapshot(helper.diskdb, hashData([]byte("acc-2")), hashData([]byte("b-key-1"))); data != nil {
|
|
t.Fatalf("expected slot to be removed, got %v", string(data))
|
|
}
|
|
}
|
|
|
|
func TestGenerateFromEmptySnap(t *testing.T) {
|
|
//enableLogging()
|
|
accountCheckRange = 10
|
|
storageCheckRange = 20
|
|
helper := newHelper()
|
|
// Add 1K accounts to the trie
|
|
for i := 0; i < 400; i++ {
|
|
stRoot := helper.makeStorageTrie(common.Hash{}, hashData([]byte(fmt.Sprintf("acc-%d", i))), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
|
|
helper.addTrieAccount(fmt.Sprintf("acc-%d", i),
|
|
&Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
|
|
}
|
|
root, snap := helper.CommitAndGenerate()
|
|
t.Logf("Root: %#x\n", root) // Root: 0x6f7af6d2e1a1bf2b84a3beb3f8b64388465fbc1e274ca5d5d3fc787ca78f59e4
|
|
|
|
select {
|
|
case <-snap.genPending:
|
|
// Snapshot generation succeeded
|
|
|
|
case <-time.After(3 * time.Second):
|
|
t.Errorf("Snapshot generation failed")
|
|
}
|
|
checkSnapRoot(t, snap, root)
|
|
// Signal abortion to the generator and wait for it to tear down
|
|
stop := make(chan *generatorStats)
|
|
snap.genAbort <- stop
|
|
<-stop
|
|
}
|
|
|
|
// Tests that snapshot generation with existent flat state, where the flat state
|
|
// storage is correct, but incomplete.
|
|
// The incomplete part is on the second range
|
|
// snap: [ 0x01, 0x02, 0x03, 0x04] , [ 0x05, 0x06, 0x07, {missing}] (with storageCheck = 4)
|
|
// trie: 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08
|
|
// This hits a case where the snap verification passes, but there are more elements in the trie
|
|
// which we must also add.
|
|
func TestGenerateWithIncompleteStorage(t *testing.T) {
|
|
storageCheckRange = 4
|
|
helper := newHelper()
|
|
stKeys := []string{"1", "2", "3", "4", "5", "6", "7", "8"}
|
|
stVals := []string{"v1", "v2", "v3", "v4", "v5", "v6", "v7", "v8"}
|
|
// We add 8 accounts, each one is missing exactly one of the storage slots. This means
|
|
// we don't have to order the keys and figure out exactly which hash-key winds up
|
|
// on the sensitive spots at the boundaries
|
|
for i := 0; i < 8; i++ {
|
|
accKey := fmt.Sprintf("acc-%d", i)
|
|
stRoot := helper.makeStorageTrie(common.Hash{}, hashData([]byte(accKey)), stKeys, stVals, true)
|
|
helper.addAccount(accKey, &Account{Balance: big.NewInt(int64(i)), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
|
|
var moddedKeys []string
|
|
var moddedVals []string
|
|
for ii := 0; ii < 8; ii++ {
|
|
if ii != i {
|
|
moddedKeys = append(moddedKeys, stKeys[ii])
|
|
moddedVals = append(moddedVals, stVals[ii])
|
|
}
|
|
}
|
|
helper.addSnapStorage(accKey, moddedKeys, moddedVals)
|
|
}
|
|
root, snap := helper.CommitAndGenerate()
|
|
t.Logf("Root: %#x\n", root) // Root: 0xca73f6f05ba4ca3024ef340ef3dfca8fdabc1b677ff13f5a9571fd49c16e67ff
|
|
|
|
select {
|
|
case <-snap.genPending:
|
|
// Snapshot generation succeeded
|
|
|
|
case <-time.After(3 * time.Second):
|
|
t.Errorf("Snapshot generation failed")
|
|
}
|
|
checkSnapRoot(t, snap, root)
|
|
// Signal abortion to the generator and wait for it to tear down
|
|
stop := make(chan *generatorStats)
|
|
snap.genAbort <- stop
|
|
<-stop
|
|
}
|
|
|
|
func incKey(key []byte) []byte {
|
|
for i := len(key) - 1; i >= 0; i-- {
|
|
key[i]++
|
|
if key[i] != 0x0 {
|
|
break
|
|
}
|
|
}
|
|
return key
|
|
}
|
|
|
|
func decKey(key []byte) []byte {
|
|
for i := len(key) - 1; i >= 0; i-- {
|
|
key[i]--
|
|
if key[i] != 0xff {
|
|
break
|
|
}
|
|
}
|
|
return key
|
|
}
|
|
|
|
func populateDangling(disk ethdb.KeyValueStore) {
|
|
populate := func(accountHash common.Hash, keys []string, vals []string) {
|
|
for i, key := range keys {
|
|
rawdb.WriteStorageSnapshot(disk, accountHash, hashData([]byte(key)), []byte(vals[i]))
|
|
}
|
|
}
|
|
// Dangling storages of the "first" account
|
|
populate(common.Hash{}, []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"})
|
|
|
|
// Dangling storages of the "last" account
|
|
populate(common.HexToHash("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"})
|
|
|
|
// Dangling storages around the account 1
|
|
hash := decKey(hashData([]byte("acc-1")).Bytes())
|
|
populate(common.BytesToHash(hash), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"})
|
|
hash = incKey(hashData([]byte("acc-1")).Bytes())
|
|
populate(common.BytesToHash(hash), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"})
|
|
|
|
// Dangling storages around the account 2
|
|
hash = decKey(hashData([]byte("acc-2")).Bytes())
|
|
populate(common.BytesToHash(hash), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"})
|
|
hash = incKey(hashData([]byte("acc-2")).Bytes())
|
|
populate(common.BytesToHash(hash), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"})
|
|
|
|
// Dangling storages around the account 3
|
|
hash = decKey(hashData([]byte("acc-3")).Bytes())
|
|
populate(common.BytesToHash(hash), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"})
|
|
hash = incKey(hashData([]byte("acc-3")).Bytes())
|
|
populate(common.BytesToHash(hash), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"})
|
|
|
|
// Dangling storages of the random account
|
|
populate(randomHash(), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"})
|
|
populate(randomHash(), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"})
|
|
populate(randomHash(), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"})
|
|
}
|
|
|
|
// Tests that snapshot generation with dangling storages. Dangling storage means
|
|
// the storage data is existent while the corresponding account data is missing.
|
|
//
|
|
// This test will populate some dangling storages to see if they can be cleaned up.
|
|
func TestGenerateCompleteSnapshotWithDanglingStorage(t *testing.T) {
|
|
var helper = newHelper()
|
|
|
|
stRoot := helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-1")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
|
|
helper.addAccount("acc-1", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
|
|
helper.addAccount("acc-2", &Account{Balance: big.NewInt(1), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()})
|
|
|
|
helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-3")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
|
|
helper.addAccount("acc-3", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
|
|
|
|
helper.addSnapStorage("acc-1", []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"})
|
|
helper.addSnapStorage("acc-3", []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"})
|
|
|
|
populateDangling(helper.diskdb)
|
|
|
|
root, snap := helper.CommitAndGenerate()
|
|
select {
|
|
case <-snap.genPending:
|
|
// Snapshot generation succeeded
|
|
|
|
case <-time.After(3 * time.Second):
|
|
t.Errorf("Snapshot generation failed")
|
|
}
|
|
checkSnapRoot(t, snap, root)
|
|
|
|
// Signal abortion to the generator and wait for it to tear down
|
|
stop := make(chan *generatorStats)
|
|
snap.genAbort <- stop
|
|
<-stop
|
|
}
|
|
|
|
// Tests that snapshot generation with dangling storages. Dangling storage means
|
|
// the storage data is existent while the corresponding account data is missing.
|
|
//
|
|
// This test will populate some dangling storages to see if they can be cleaned up.
|
|
func TestGenerateBrokenSnapshotWithDanglingStorage(t *testing.T) {
|
|
var helper = newHelper()
|
|
|
|
stRoot := helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-1")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
|
|
helper.addTrieAccount("acc-1", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
|
|
helper.addTrieAccount("acc-2", &Account{Balance: big.NewInt(2), Root: types.EmptyRootHash.Bytes(), CodeHash: types.EmptyCodeHash.Bytes()})
|
|
|
|
helper.makeStorageTrie(common.Hash{}, hashData([]byte("acc-3")), []string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"}, true)
|
|
helper.addTrieAccount("acc-3", &Account{Balance: big.NewInt(3), Root: stRoot, CodeHash: types.EmptyCodeHash.Bytes()})
|
|
|
|
populateDangling(helper.diskdb)
|
|
|
|
root, snap := helper.CommitAndGenerate()
|
|
select {
|
|
case <-snap.genPending:
|
|
// Snapshot generation succeeded
|
|
|
|
case <-time.After(3 * time.Second):
|
|
t.Errorf("Snapshot generation failed")
|
|
}
|
|
checkSnapRoot(t, snap, root)
|
|
|
|
// Signal abortion to the generator and wait for it to tear down
|
|
stop := make(chan *generatorStats)
|
|
snap.genAbort <- stop
|
|
<-stop
|
|
}
|