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path: root/core/state/sync_test.go
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-rw-r--r--core/state/sync_test.go75
1 files changed, 45 insertions, 30 deletions
diff --git a/core/state/sync_test.go b/core/state/sync_test.go
index 108ebb320..06c572ea6 100644
--- a/core/state/sync_test.go
+++ b/core/state/sync_test.go
@@ -36,9 +36,10 @@ type testAccount struct {
}
// makeTestState create a sample test state to test node-wise reconstruction.
-func makeTestState() (ethdb.Database, common.Hash, []*testAccount) {
+func makeTestState() (Database, *ethdb.MemDatabase, common.Hash, []*testAccount) {
// Create an empty state
- db, _ := ethdb.NewMemDatabase()
+ mem, _ := ethdb.NewMemDatabase()
+ db := NewDatabase(mem)
state, _ := New(common.Hash{}, db)
// Fill it with some arbitrary data
@@ -60,17 +61,17 @@ func makeTestState() (ethdb.Database, common.Hash, []*testAccount) {
state.updateStateObject(obj)
accounts = append(accounts, acc)
}
- root, _ := state.Commit(false)
+ root, _ := state.CommitTo(mem, false)
// Return the generated state
- return db, root, accounts
+ return db, mem, root, accounts
}
// checkStateAccounts cross references a reconstructed state with an expected
// account array.
func checkStateAccounts(t *testing.T, db ethdb.Database, root common.Hash, accounts []*testAccount) {
// Check root availability and state contents
- state, err := New(root, db)
+ state, err := New(root, NewDatabase(db))
if err != nil {
t.Fatalf("failed to create state trie at %x: %v", root, err)
}
@@ -90,13 +91,28 @@ func checkStateAccounts(t *testing.T, db ethdb.Database, root common.Hash, accou
}
}
-// checkStateConsistency checks that all nodes in a state trie are indeed present.
+// checkTrieConsistency checks that all nodes in a (sub-)trie are indeed present.
+func checkTrieConsistency(db ethdb.Database, root common.Hash) error {
+ if v, _ := db.Get(root[:]); v == nil {
+ return nil // Consider a non existent state consistent.
+ }
+ trie, err := trie.New(root, db)
+ if err != nil {
+ return err
+ }
+ it := trie.NodeIterator(nil)
+ for it.Next(true) {
+ }
+ return it.Error()
+}
+
+// checkStateConsistency checks that all data of a state root is present.
func checkStateConsistency(db ethdb.Database, root common.Hash) error {
// Create and iterate a state trie rooted in a sub-node
if _, err := db.Get(root.Bytes()); err != nil {
- return nil // Consider a non existent state consistent
+ return nil // Consider a non existent state consistent.
}
- state, err := New(root, db)
+ state, err := New(root, NewDatabase(db))
if err != nil {
return err
}
@@ -122,7 +138,7 @@ func TestIterativeStateSyncBatched(t *testing.T) { testIterativeStateSync(t,
func testIterativeStateSync(t *testing.T, batch int) {
// Create a random state to copy
- srcDb, srcRoot, srcAccounts := makeTestState()
+ _, srcMem, srcRoot, srcAccounts := makeTestState()
// Create a destination state and sync with the scheduler
dstDb, _ := ethdb.NewMemDatabase()
@@ -132,7 +148,7 @@ func testIterativeStateSync(t *testing.T, batch int) {
for len(queue) > 0 {
results := make([]trie.SyncResult, len(queue))
for i, hash := range queue {
- data, err := srcDb.Get(hash.Bytes())
+ data, err := srcMem.Get(hash.Bytes())
if err != nil {
t.Fatalf("failed to retrieve node data for %x: %v", hash, err)
}
@@ -154,7 +170,7 @@ func testIterativeStateSync(t *testing.T, batch int) {
// partial results are returned, and the others sent only later.
func TestIterativeDelayedStateSync(t *testing.T) {
// Create a random state to copy
- srcDb, srcRoot, srcAccounts := makeTestState()
+ _, srcMem, srcRoot, srcAccounts := makeTestState()
// Create a destination state and sync with the scheduler
dstDb, _ := ethdb.NewMemDatabase()
@@ -165,7 +181,7 @@ func TestIterativeDelayedStateSync(t *testing.T) {
// Sync only half of the scheduled nodes
results := make([]trie.SyncResult, len(queue)/2+1)
for i, hash := range queue[:len(results)] {
- data, err := srcDb.Get(hash.Bytes())
+ data, err := srcMem.Get(hash.Bytes())
if err != nil {
t.Fatalf("failed to retrieve node data for %x: %v", hash, err)
}
@@ -191,7 +207,7 @@ func TestIterativeRandomStateSyncBatched(t *testing.T) { testIterativeRandomS
func testIterativeRandomStateSync(t *testing.T, batch int) {
// Create a random state to copy
- srcDb, srcRoot, srcAccounts := makeTestState()
+ _, srcMem, srcRoot, srcAccounts := makeTestState()
// Create a destination state and sync with the scheduler
dstDb, _ := ethdb.NewMemDatabase()
@@ -205,7 +221,7 @@ func testIterativeRandomStateSync(t *testing.T, batch int) {
// Fetch all the queued nodes in a random order
results := make([]trie.SyncResult, 0, len(queue))
for hash := range queue {
- data, err := srcDb.Get(hash.Bytes())
+ data, err := srcMem.Get(hash.Bytes())
if err != nil {
t.Fatalf("failed to retrieve node data for %x: %v", hash, err)
}
@@ -231,7 +247,7 @@ func testIterativeRandomStateSync(t *testing.T, batch int) {
// partial results are returned (Even those randomly), others sent only later.
func TestIterativeRandomDelayedStateSync(t *testing.T) {
// Create a random state to copy
- srcDb, srcRoot, srcAccounts := makeTestState()
+ _, srcMem, srcRoot, srcAccounts := makeTestState()
// Create a destination state and sync with the scheduler
dstDb, _ := ethdb.NewMemDatabase()
@@ -247,7 +263,7 @@ func TestIterativeRandomDelayedStateSync(t *testing.T) {
for hash := range queue {
delete(queue, hash)
- data, err := srcDb.Get(hash.Bytes())
+ data, err := srcMem.Get(hash.Bytes())
if err != nil {
t.Fatalf("failed to retrieve node data for %x: %v", hash, err)
}
@@ -276,7 +292,9 @@ func TestIterativeRandomDelayedStateSync(t *testing.T) {
// the database.
func TestIncompleteStateSync(t *testing.T) {
// Create a random state to copy
- srcDb, srcRoot, srcAccounts := makeTestState()
+ _, srcMem, srcRoot, srcAccounts := makeTestState()
+
+ checkTrieConsistency(srcMem, srcRoot)
// Create a destination state and sync with the scheduler
dstDb, _ := ethdb.NewMemDatabase()
@@ -288,7 +306,7 @@ func TestIncompleteStateSync(t *testing.T) {
// Fetch a batch of state nodes
results := make([]trie.SyncResult, len(queue))
for i, hash := range queue {
- data, err := srcDb.Get(hash.Bytes())
+ data, err := srcMem.Get(hash.Bytes())
if err != nil {
t.Fatalf("failed to retrieve node data for %x: %v", hash, err)
}
@@ -304,21 +322,18 @@ func TestIncompleteStateSync(t *testing.T) {
for _, result := range results {
added = append(added, result.Hash)
}
- // Check that all known sub-tries in the synced state is complete
- for _, root := range added {
- // Skim through the accounts and make sure the root hash is not a code node
- codeHash := false
+ // Check that all known sub-tries added so far are complete or missing entirely.
+ checkSubtries:
+ for _, hash := range added {
for _, acc := range srcAccounts {
- if root == crypto.Keccak256Hash(acc.code) {
- codeHash = true
- break
+ if hash == crypto.Keccak256Hash(acc.code) {
+ continue checkSubtries // skip trie check of code nodes.
}
}
- // If the root is a real trie node, check consistency
- if !codeHash {
- if err := checkStateConsistency(dstDb, root); err != nil {
- t.Fatalf("state inconsistent: %v", err)
- }
+ // Can't use checkStateConsistency here because subtrie keys may have odd
+ // length and crash in LeafKey.
+ if err := checkTrieConsistency(dstDb, hash); err != nil {
+ t.Fatalf("state inconsistent: %v", err)
}
}
// Fetch the next batch to retrieve