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@@ -17,16 +17,361 @@
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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/ethdb"
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"github.com/ethereum/go-ethereum/ethdb/memorydb"
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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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+// 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 (
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+ diskdb = memorydb.New()
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+ triedb = trie.NewDatabase(diskdb)
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+ )
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+ stTrie, _ := trie.NewSecure(common.Hash{}, triedb)
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+ stTrie.Update([]byte("key-1"), []byte("val-1")) // 0x1314700b81afc49f94db3623ef1df38f3ed18b73a1b7ea2f6c095118cf6118a0
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+ stTrie.Update([]byte("key-2"), []byte("val-2")) // 0x18a0f4d79cff4459642dd7604f303886ad9d77c30cf3d7d7cedb3a693ab6d371
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+ stTrie.Update([]byte("key-3"), []byte("val-3")) // 0x51c71a47af0695957647fb68766d0becee77e953df17c29b3c2f25436f055c78
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+ stTrie.Commit(nil) // Root: 0xddefcd9376dd029653ef384bd2f0a126bb755fe84fdcc9e7cf421ba454f2bc67
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+
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+ accTrie, _ := trie.NewSecure(common.Hash{}, triedb)
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+ acc := &Account{Balance: big.NewInt(1), Root: stTrie.Hash().Bytes(), CodeHash: emptyCode.Bytes()}
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+ val, _ := rlp.EncodeToBytes(acc)
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+ accTrie.Update([]byte("acc-1"), val) // 0x9250573b9c18c664139f3b6a7a8081b7d8f8916a8fcc5d94feec6c29f5fd4e9e
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+
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+ acc = &Account{Balance: big.NewInt(2), Root: emptyRoot.Bytes(), CodeHash: emptyCode.Bytes()}
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+ val, _ = rlp.EncodeToBytes(acc)
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+ accTrie.Update([]byte("acc-2"), val) // 0x65145f923027566669a1ae5ccac66f945b55ff6eaeb17d2ea8e048b7d381f2d7
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+
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+ acc = &Account{Balance: big.NewInt(3), Root: stTrie.Hash().Bytes(), CodeHash: emptyCode.Bytes()}
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+ val, _ = rlp.EncodeToBytes(acc)
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+ accTrie.Update([]byte("acc-3"), val) // 0x50815097425d000edfc8b3a4a13e175fc2bdcfee8bdfbf2d1ff61041d3c235b2
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+ root, _ := accTrie.Commit(nil) // Root: 0xe3712f1a226f3782caca78ca770ccc19ee000552813a9f59d479f8611db9b1fd
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+ triedb.Commit(root, false, nil)
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+
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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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+ snap := generateSnapshot(diskdb, triedb, 16, root)
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+ select {
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+ case <-snap.genPending:
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+ // Snapshot generation succeeded
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+
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+ case <-time.After(250 * time.Millisecond):
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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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+
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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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+
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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 (
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+ diskdb = memorydb.New()
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+ triedb = trie.NewDatabase(diskdb)
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+ )
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+ stTrie, _ := trie.NewSecure(common.Hash{}, triedb)
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+ stTrie.Update([]byte("key-1"), []byte("val-1")) // 0x1314700b81afc49f94db3623ef1df38f3ed18b73a1b7ea2f6c095118cf6118a0
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+ stTrie.Update([]byte("key-2"), []byte("val-2")) // 0x18a0f4d79cff4459642dd7604f303886ad9d77c30cf3d7d7cedb3a693ab6d371
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+ stTrie.Update([]byte("key-3"), []byte("val-3")) // 0x51c71a47af0695957647fb68766d0becee77e953df17c29b3c2f25436f055c78
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+ stTrie.Commit(nil) // Root: 0xddefcd9376dd029653ef384bd2f0a126bb755fe84fdcc9e7cf421ba454f2bc67
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+
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+ accTrie, _ := trie.NewSecure(common.Hash{}, triedb)
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+ acc := &Account{Balance: big.NewInt(1), Root: stTrie.Hash().Bytes(), CodeHash: emptyCode.Bytes()}
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+ val, _ := rlp.EncodeToBytes(acc)
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+ accTrie.Update([]byte("acc-1"), val) // 0x9250573b9c18c664139f3b6a7a8081b7d8f8916a8fcc5d94feec6c29f5fd4e9e
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+ rawdb.WriteAccountSnapshot(diskdb, hashData([]byte("acc-1")), val)
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+ rawdb.WriteStorageSnapshot(diskdb, hashData([]byte("acc-1")), hashData([]byte("key-1")), []byte("val-1"))
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+ rawdb.WriteStorageSnapshot(diskdb, hashData([]byte("acc-1")), hashData([]byte("key-2")), []byte("val-2"))
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+ rawdb.WriteStorageSnapshot(diskdb, hashData([]byte("acc-1")), hashData([]byte("key-3")), []byte("val-3"))
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+
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+ acc = &Account{Balance: big.NewInt(2), Root: emptyRoot.Bytes(), CodeHash: emptyCode.Bytes()}
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+ val, _ = rlp.EncodeToBytes(acc)
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+ accTrie.Update([]byte("acc-2"), val) // 0x65145f923027566669a1ae5ccac66f945b55ff6eaeb17d2ea8e048b7d381f2d7
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+ diskdb.Put(hashData([]byte("acc-2")).Bytes(), val)
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+ rawdb.WriteAccountSnapshot(diskdb, hashData([]byte("acc-2")), val)
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+
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+ acc = &Account{Balance: big.NewInt(3), Root: stTrie.Hash().Bytes(), CodeHash: emptyCode.Bytes()}
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+ val, _ = rlp.EncodeToBytes(acc)
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+ accTrie.Update([]byte("acc-3"), val) // 0x50815097425d000edfc8b3a4a13e175fc2bdcfee8bdfbf2d1ff61041d3c235b2
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+ rawdb.WriteAccountSnapshot(diskdb, hashData([]byte("acc-3")), val)
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+ rawdb.WriteStorageSnapshot(diskdb, hashData([]byte("acc-3")), hashData([]byte("key-1")), []byte("val-1"))
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+ rawdb.WriteStorageSnapshot(diskdb, hashData([]byte("acc-3")), hashData([]byte("key-2")), []byte("val-2"))
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+ rawdb.WriteStorageSnapshot(diskdb, hashData([]byte("acc-3")), hashData([]byte("key-3")), []byte("val-3"))
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+
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+ root, _ := accTrie.Commit(nil) // Root: 0xe3712f1a226f3782caca78ca770ccc19ee000552813a9f59d479f8611db9b1fd
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+ triedb.Commit(root, false, nil)
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+
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+ snap := generateSnapshot(diskdb, triedb, 16, root)
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+ select {
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+ case <-snap.genPending:
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+ // Snapshot generation succeeded
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+
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+ case <-time.After(250 * time.Millisecond):
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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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+
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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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+
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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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+
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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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+}
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+
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+type testHelper struct {
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+ diskdb *memorydb.Database
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+ triedb *trie.Database
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+ accTrie *trie.SecureTrie
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+}
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+
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+func newHelper() *testHelper {
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+ diskdb := memorydb.New()
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+ triedb := trie.NewDatabase(diskdb)
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+ accTrie, _ := trie.NewSecure(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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+ }
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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.Update([]byte(acckey), val)
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+}
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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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+
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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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+
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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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+
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+func (t *testHelper) makeStorageTrie(keys []string, vals []string) []byte {
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+ stTrie, _ := trie.NewSecure(common.Hash{}, t.triedb)
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+ for i, k := range keys {
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+ stTrie.Update([]byte(k), []byte(vals[i]))
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+ }
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+ root, _ := stTrie.Commit(nil)
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+ return root.Bytes()
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+}
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+
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+func (t *testHelper) Generate() (common.Hash, *diskLayer) {
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+ root, _ := t.accTrie.Commit(nil)
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+ t.triedb.Commit(root, false, nil)
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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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+
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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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+// - 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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+// - 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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+ stRoot := helper.makeStorageTrie([]string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"})
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+
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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: emptyRoot.Bytes(), CodeHash: emptyCode.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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+
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+ // Account two, non empty root but empty database
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+ helper.addAccount("acc-2", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()})
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+
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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.addAccount("acc-3", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()})
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+ helper.addSnapStorage("acc-3", []string{"key-2", "key-3"}, []string{"val-2", "val-3"})
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+
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+ // Account four, non empty root but misses slots in the middle
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+ helper.addAccount("acc-4", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()})
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+ helper.addSnapStorage("acc-4", []string{"key-1", "key-3"}, []string{"val-1", "val-3"})
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+
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+ // Account five, non empty root but misses slots in the end
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+ helper.addAccount("acc-5", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.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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+
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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.addAccount("acc-6", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.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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+
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+ // Account seven, non empty root but wrong slots in the middle
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+ helper.addAccount("acc-7", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.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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+
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+ // Account eight, non empty root but wrong slots in the end
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+ helper.addAccount("acc-8", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.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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+
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+ // Account 9, non empty root but rotated slots
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+ helper.addAccount("acc-9", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.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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+
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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.addAccount("acc-10", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.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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+
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+ // Account 11, non empty root but extra slots in the middle
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+ helper.addAccount("acc-11", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.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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+
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+ // Account 12, non empty root but extra slots in the end
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+ helper.addAccount("acc-12", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.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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+
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+ root, snap := helper.Generate()
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+ t.Logf("Root: %#x\n", root) // Root = 0x8746cce9fd9c658b2cfd639878ed6584b7a2b3e73bb40f607fcfa156002429a0
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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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+
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+ case <-time.After(250 * time.Millisecond):
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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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+
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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
|
|
|
+// - extra accounts
|
|
|
+func TestGenerateExistentStateWithWrongAccounts(t *testing.T) {
|
|
|
+ helper := newHelper()
|
|
|
+ stRoot := helper.makeStorageTrie([]string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"})
|
|
|
+
|
|
|
+ // Trie accounts [acc-1, acc-2, acc-3, acc-4, acc-6]
|
|
|
+ // Extra accounts [acc-0, acc-5, acc-7]
|
|
|
+
|
|
|
+ // Missing accounts, only in the trie
|
|
|
+ {
|
|
|
+ helper.addTrieAccount("acc-1", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()}) // Beginning
|
|
|
+ helper.addTrieAccount("acc-4", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()}) // Middle
|
|
|
+ helper.addTrieAccount("acc-6", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()}) // End
|
|
|
+ }
|
|
|
+
|
|
|
+ // Wrong accounts
|
|
|
+ {
|
|
|
+ helper.addTrieAccount("acc-2", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()})
|
|
|
+ helper.addSnapAccount("acc-2", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: common.Hex2Bytes("0x1234")})
|
|
|
+
|
|
|
+ helper.addTrieAccount("acc-3", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()})
|
|
|
+ helper.addSnapAccount("acc-3", &Account{Balance: big.NewInt(1), Root: emptyRoot.Bytes(), CodeHash: emptyCode.Bytes()})
|
|
|
+ }
|
|
|
+
|
|
|
+ // Extra accounts, only in the snap
|
|
|
+ {
|
|
|
+ helper.addSnapAccount("acc-0", &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyRoot.Bytes()}) // before the beginning
|
|
|
+ helper.addSnapAccount("acc-5", &Account{Balance: big.NewInt(1), Root: emptyRoot.Bytes(), CodeHash: common.Hex2Bytes("0x1234")}) // Middle
|
|
|
+ helper.addSnapAccount("acc-7", &Account{Balance: big.NewInt(1), Root: emptyRoot.Bytes(), CodeHash: emptyRoot.Bytes()}) // after the end
|
|
|
+ }
|
|
|
+
|
|
|
+ root, snap := helper.Generate()
|
|
|
+ t.Logf("Root: %#x\n", root) // Root = 0x825891472281463511e7ebcc7f109e4f9200c20fa384754e11fd605cd98464e8
|
|
|
+
|
|
|
+ select {
|
|
|
+ case <-snap.genPending:
|
|
|
+ // Snapshot generation succeeded
|
|
|
+
|
|
|
+ case <-time.After(250 * time.Millisecond):
|
|
|
+ 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) {
|
|
|
@@ -55,7 +400,7 @@ func TestGenerateCorruptAccountTrie(t *testing.T) {
|
|
|
triedb.Commit(common.HexToHash("0xa04693ea110a31037fb5ee814308a6f1d76bdab0b11676bdf4541d2de55ba978"), false, nil)
|
|
|
diskdb.Delete(common.HexToHash("0x65145f923027566669a1ae5ccac66f945b55ff6eaeb17d2ea8e048b7d381f2d7").Bytes())
|
|
|
|
|
|
- snap := generateSnapshot(diskdb, triedb, 16, common.HexToHash("0xa04693ea110a31037fb5ee814308a6f1d76bdab0b11676bdf4541d2de55ba978"), nil)
|
|
|
+ snap := generateSnapshot(diskdb, triedb, 16, common.HexToHash("0xa04693ea110a31037fb5ee814308a6f1d76bdab0b11676bdf4541d2de55ba978"))
|
|
|
select {
|
|
|
case <-snap.genPending:
|
|
|
// Snapshot generation succeeded
|
|
|
@@ -115,7 +460,7 @@ func TestGenerateMissingStorageTrie(t *testing.T) {
|
|
|
// Delete a storage trie root and ensure the generator chokes
|
|
|
diskdb.Delete(common.HexToHash("0xddefcd9376dd029653ef384bd2f0a126bb755fe84fdcc9e7cf421ba454f2bc67").Bytes())
|
|
|
|
|
|
- snap := generateSnapshot(diskdb, triedb, 16, common.HexToHash("0xe3712f1a226f3782caca78ca770ccc19ee000552813a9f59d479f8611db9b1fd"), nil)
|
|
|
+ snap := generateSnapshot(diskdb, triedb, 16, common.HexToHash("0xe3712f1a226f3782caca78ca770ccc19ee000552813a9f59d479f8611db9b1fd"))
|
|
|
select {
|
|
|
case <-snap.genPending:
|
|
|
// Snapshot generation succeeded
|
|
|
@@ -174,7 +519,7 @@ func TestGenerateCorruptStorageTrie(t *testing.T) {
|
|
|
// Delete a storage trie leaf and ensure the generator chokes
|
|
|
diskdb.Delete(common.HexToHash("0x18a0f4d79cff4459642dd7604f303886ad9d77c30cf3d7d7cedb3a693ab6d371").Bytes())
|
|
|
|
|
|
- snap := generateSnapshot(diskdb, triedb, 16, common.HexToHash("0xe3712f1a226f3782caca78ca770ccc19ee000552813a9f59d479f8611db9b1fd"), nil)
|
|
|
+ snap := generateSnapshot(diskdb, triedb, 16, common.HexToHash("0xe3712f1a226f3782caca78ca770ccc19ee000552813a9f59d479f8611db9b1fd"))
|
|
|
select {
|
|
|
case <-snap.genPending:
|
|
|
// Snapshot generation succeeded
|
|
|
@@ -188,3 +533,301 @@ func TestGenerateCorruptStorageTrie(t *testing.T) {
|
|
|
snap.genAbort <- stop
|
|
|
<-stop
|
|
|
}
|
|
|
+
|
|
|
+func getStorageTrie(n int, triedb *trie.Database) *trie.SecureTrie {
|
|
|
+ stTrie, _ := trie.NewSecure(common.Hash{}, triedb)
|
|
|
+ for i := 0; i < n; i++ {
|
|
|
+ k := fmt.Sprintf("key-%d", i)
|
|
|
+ v := fmt.Sprintf("val-%d", i)
|
|
|
+ stTrie.Update([]byte(k), []byte(v))
|
|
|
+ }
|
|
|
+ stTrie.Commit(nil)
|
|
|
+ return stTrie
|
|
|
+}
|
|
|
+
|
|
|
+// Tests that snapshot generation when an extra account with storage exists in the snap state.
|
|
|
+func TestGenerateWithExtraAccounts(t *testing.T) {
|
|
|
+ var (
|
|
|
+ diskdb = memorydb.New()
|
|
|
+ triedb = trie.NewDatabase(diskdb)
|
|
|
+ stTrie = getStorageTrie(5, triedb)
|
|
|
+ )
|
|
|
+ accTrie, _ := trie.NewSecure(common.Hash{}, triedb)
|
|
|
+ { // Account one in the trie
|
|
|
+ acc := &Account{Balance: big.NewInt(1), Root: stTrie.Hash().Bytes(), CodeHash: emptyCode.Bytes()}
|
|
|
+ val, _ := rlp.EncodeToBytes(acc)
|
|
|
+ accTrie.Update([]byte("acc-1"), val) // 0x9250573b9c18c664139f3b6a7a8081b7d8f8916a8fcc5d94feec6c29f5fd4e9e
|
|
|
+ // Identical in the snap
|
|
|
+ key := hashData([]byte("acc-1"))
|
|
|
+ rawdb.WriteAccountSnapshot(diskdb, key, val)
|
|
|
+ rawdb.WriteStorageSnapshot(diskdb, key, hashData([]byte("key-1")), []byte("val-1"))
|
|
|
+ rawdb.WriteStorageSnapshot(diskdb, key, hashData([]byte("key-2")), []byte("val-2"))
|
|
|
+ rawdb.WriteStorageSnapshot(diskdb, key, hashData([]byte("key-3")), []byte("val-3"))
|
|
|
+ rawdb.WriteStorageSnapshot(diskdb, key, hashData([]byte("key-4")), []byte("val-4"))
|
|
|
+ rawdb.WriteStorageSnapshot(diskdb, key, hashData([]byte("key-5")), []byte("val-5"))
|
|
|
+ }
|
|
|
+ { // Account two exists only in the snapshot
|
|
|
+ acc := &Account{Balance: big.NewInt(1), Root: stTrie.Hash().Bytes(), CodeHash: emptyCode.Bytes()}
|
|
|
+ val, _ := rlp.EncodeToBytes(acc)
|
|
|
+ key := hashData([]byte("acc-2"))
|
|
|
+ rawdb.WriteAccountSnapshot(diskdb, key, val)
|
|
|
+ rawdb.WriteStorageSnapshot(diskdb, key, hashData([]byte("b-key-1")), []byte("b-val-1"))
|
|
|
+ rawdb.WriteStorageSnapshot(diskdb, key, hashData([]byte("b-key-2")), []byte("b-val-2"))
|
|
|
+ rawdb.WriteStorageSnapshot(diskdb, key, hashData([]byte("b-key-3")), []byte("b-val-3"))
|
|
|
+ }
|
|
|
+ root, _ := accTrie.Commit(nil)
|
|
|
+ t.Logf("root: %x", root)
|
|
|
+ triedb.Commit(root, false, nil)
|
|
|
+ // To verify the test: If we now inspect the snap db, there should exist extraneous storage items
|
|
|
+ if data := rawdb.ReadStorageSnapshot(diskdb, hashData([]byte("acc-2")), hashData([]byte("b-key-1"))); data == nil {
|
|
|
+ t.Fatalf("expected snap storage to exist")
|
|
|
+ }
|
|
|
+
|
|
|
+ snap := generateSnapshot(diskdb, triedb, 16, root)
|
|
|
+ select {
|
|
|
+ case <-snap.genPending:
|
|
|
+ // Snapshot generation succeeded
|
|
|
+
|
|
|
+ case <-time.After(250 * time.Millisecond):
|
|
|
+ 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(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()
|
|
|
+ }
|
|
|
+ var (
|
|
|
+ diskdb = memorydb.New()
|
|
|
+ triedb = trie.NewDatabase(diskdb)
|
|
|
+ stTrie = getStorageTrie(3, triedb)
|
|
|
+ )
|
|
|
+ accTrie, _ := trie.NewSecure(common.Hash{}, triedb)
|
|
|
+ { // Account one in the trie
|
|
|
+ acc := &Account{Balance: big.NewInt(1), Root: stTrie.Hash().Bytes(), CodeHash: emptyCode.Bytes()}
|
|
|
+ val, _ := rlp.EncodeToBytes(acc)
|
|
|
+ accTrie.Update([]byte("acc-1"), val) // 0x9250573b9c18c664139f3b6a7a8081b7d8f8916a8fcc5d94feec6c29f5fd4e9e
|
|
|
+ // Identical in the snap
|
|
|
+ key := hashData([]byte("acc-1"))
|
|
|
+ rawdb.WriteAccountSnapshot(diskdb, key, val)
|
|
|
+ rawdb.WriteStorageSnapshot(diskdb, key, hashData([]byte("key-1")), []byte("val-1"))
|
|
|
+ rawdb.WriteStorageSnapshot(diskdb, key, hashData([]byte("key-2")), []byte("val-2"))
|
|
|
+ rawdb.WriteStorageSnapshot(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: stTrie.Hash().Bytes(), CodeHash: emptyCode.Bytes()}
|
|
|
+ acc := &Account{Balance: big.NewInt(int64(i)), Root: emptyRoot.Bytes(), CodeHash: emptyCode.Bytes()}
|
|
|
+ val, _ := rlp.EncodeToBytes(acc)
|
|
|
+ key := hashData([]byte(fmt.Sprintf("acc-%d", i)))
|
|
|
+ rawdb.WriteAccountSnapshot(diskdb, key, val)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ root, _ := accTrie.Commit(nil)
|
|
|
+ t.Logf("root: %x", root)
|
|
|
+ triedb.Commit(root, false, nil)
|
|
|
+
|
|
|
+ snap := generateSnapshot(diskdb, triedb, 16, root)
|
|
|
+ select {
|
|
|
+ case <-snap.genPending:
|
|
|
+ // Snapshot generation succeeded
|
|
|
+
|
|
|
+ case <-time.After(250 * time.Millisecond):
|
|
|
+ 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()
|
|
|
+ }
|
|
|
+ var (
|
|
|
+ diskdb = memorydb.New()
|
|
|
+ triedb = trie.NewDatabase(diskdb)
|
|
|
+ )
|
|
|
+ accTrie, _ := trie.New(common.Hash{}, triedb)
|
|
|
+ {
|
|
|
+ acc := &Account{Balance: big.NewInt(1), Root: emptyRoot.Bytes(), CodeHash: emptyCode.Bytes()}
|
|
|
+ val, _ := rlp.EncodeToBytes(acc)
|
|
|
+ accTrie.Update(common.HexToHash("0x03").Bytes(), val)
|
|
|
+ accTrie.Update(common.HexToHash("0x07").Bytes(), val)
|
|
|
+
|
|
|
+ rawdb.WriteAccountSnapshot(diskdb, common.HexToHash("0x01"), val)
|
|
|
+ rawdb.WriteAccountSnapshot(diskdb, common.HexToHash("0x02"), val)
|
|
|
+ rawdb.WriteAccountSnapshot(diskdb, common.HexToHash("0x03"), val)
|
|
|
+ rawdb.WriteAccountSnapshot(diskdb, common.HexToHash("0x04"), val)
|
|
|
+ rawdb.WriteAccountSnapshot(diskdb, common.HexToHash("0x05"), val)
|
|
|
+ rawdb.WriteAccountSnapshot(diskdb, common.HexToHash("0x06"), val)
|
|
|
+ rawdb.WriteAccountSnapshot(diskdb, common.HexToHash("0x07"), val)
|
|
|
+ }
|
|
|
+
|
|
|
+ root, _ := accTrie.Commit(nil)
|
|
|
+ t.Logf("root: %x", root)
|
|
|
+ triedb.Commit(root, false, nil)
|
|
|
+
|
|
|
+ snap := generateSnapshot(diskdb, triedb, 16, root)
|
|
|
+ select {
|
|
|
+ case <-snap.genPending:
|
|
|
+ // Snapshot generation succeeded
|
|
|
+
|
|
|
+ case <-time.After(250 * time.Millisecond):
|
|
|
+ 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()
|
|
|
+ }
|
|
|
+ var (
|
|
|
+ diskdb = memorydb.New()
|
|
|
+ triedb = trie.NewDatabase(diskdb)
|
|
|
+ )
|
|
|
+ accTrie, _ := trie.New(common.Hash{}, triedb)
|
|
|
+ {
|
|
|
+ acc := &Account{Balance: big.NewInt(1), Root: emptyRoot.Bytes(), CodeHash: emptyCode.Bytes()}
|
|
|
+ val, _ := rlp.EncodeToBytes(acc)
|
|
|
+ accTrie.Update(common.HexToHash("0x03").Bytes(), val)
|
|
|
+
|
|
|
+ junk := make([]byte, 100)
|
|
|
+ copy(junk, []byte{0xde, 0xad})
|
|
|
+ rawdb.WriteAccountSnapshot(diskdb, common.HexToHash("0x02"), junk)
|
|
|
+ rawdb.WriteAccountSnapshot(diskdb, common.HexToHash("0x03"), junk)
|
|
|
+ rawdb.WriteAccountSnapshot(diskdb, common.HexToHash("0x04"), junk)
|
|
|
+ rawdb.WriteAccountSnapshot(diskdb, common.HexToHash("0x05"), junk)
|
|
|
+ }
|
|
|
+
|
|
|
+ root, _ := accTrie.Commit(nil)
|
|
|
+ t.Logf("root: %x", root)
|
|
|
+ triedb.Commit(root, false, nil)
|
|
|
+
|
|
|
+ snap := generateSnapshot(diskdb, triedb, 16, root)
|
|
|
+ select {
|
|
|
+ case <-snap.genPending:
|
|
|
+ // Snapshot generation succeeded
|
|
|
+
|
|
|
+ case <-time.After(250 * time.Millisecond):
|
|
|
+ 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(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()
|
|
|
+ stRoot := helper.makeStorageTrie([]string{"key-1", "key-2", "key-3"}, []string{"val-1", "val-2", "val-3"})
|
|
|
+ // Add 1K accounts to the trie
|
|
|
+ for i := 0; i < 400; i++ {
|
|
|
+ helper.addTrieAccount(fmt.Sprintf("acc-%d", i),
|
|
|
+ &Account{Balance: big.NewInt(1), Root: stRoot, CodeHash: emptyCode.Bytes()})
|
|
|
+ }
|
|
|
+ root, snap := helper.Generate()
|
|
|
+ t.Logf("Root: %#x\n", root) // Root: 0x6f7af6d2e1a1bf2b84a3beb3f8b64388465fbc1e274ca5d5d3fc787ca78f59e4
|
|
|
+
|
|
|
+ select {
|
|
|
+ case <-snap.genPending:
|
|
|
+ // Snapshot generation succeeded
|
|
|
+
|
|
|
+ case <-time.After(1 * 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"}
|
|
|
+ stRoot := helper.makeStorageTrie(stKeys, stVals)
|
|
|
+ // 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)
|
|
|
+ helper.addAccount(accKey, &Account{Balance: big.NewInt(int64(i)), Root: stRoot, CodeHash: emptyCode.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.Generate()
|
|
|
+ t.Logf("Root: %#x\n", root) // Root: 0xca73f6f05ba4ca3024ef340ef3dfca8fdabc1b677ff13f5a9571fd49c16e67ff
|
|
|
+
|
|
|
+ select {
|
|
|
+ case <-snap.genPending:
|
|
|
+ // Snapshot generation succeeded
|
|
|
+
|
|
|
+ case <-time.After(250 * time.Millisecond):
|
|
|
+ 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
|
|
|
+}
|
gary rong