Fixes in import-db for rc/v1.6.0

dataRetriever/requestHandlers/requesters/disabled/requester.go

@@ -29,6 +29,11 @@ func (r *requester) SetDebugHandler(_ dataRetriever.DebugHandler) error {
 	return nil
 }
 
+// RequestDataFromHashArray returns nil as it is disabled
+func (r *requester) RequestDataFromHashArray(_ [][]byte, _ uint32) error {
+	return nil
+}
+
 // IsInterfaceNil returns true if there is no value under the interface
 func (r *requester) IsInterfaceNil() bool {
 	return r == nil

state/export_test.go

@@ -1,11 +1,12 @@
 package state
 
 import (
+	"time"
+
 	"github.com/multiversx/mx-chain-core-go/marshal"
 	"github.com/multiversx/mx-chain-go/common"
 	"github.com/multiversx/mx-chain-go/testscommon/storageManager"
 	vmcommon "github.com/multiversx/mx-chain-vm-common-go"
-	"time"
 )
 
 // LastSnapshotStarted -
@@ -105,3 +106,8 @@ func GetStorageEpochChangeWaitArgs() storageEpochChangeWaitArgs {
 func (sm *snapshotsManager) WaitForStorageEpochChange(args storageEpochChangeWaitArgs) error {
 	return sm.waitForStorageEpochChange(args)
 }
+
+// NewNilSnapshotsManager -
+func NewNilSnapshotsManager() *snapshotsManager {
+	return nil
+}

state/snapshotsManager.go

@@ -247,14 +247,14 @@ func (sm *snapshotsManager) snapshotState(
 	})
 	if err != nil {
 		log.Error("error waiting for storage epoch change", "err", err)
-		sm.earlySnapshotCompletion(stats)
+		sm.earlySnapshotCompletion(stats, trieStorageManager)
 		return
 	}
 
 	if !trieStorageManager.ShouldTakeSnapshot() {
 		log.Debug("skipping snapshot", "rootHash", rootHash, "epoch", epoch)
 
-		sm.earlySnapshotCompletion(stats)
+		sm.earlySnapshotCompletion(stats, trieStorageManager)
 		return
 	}
 
@@ -277,15 +277,21 @@ func (sm *snapshotsManager) snapshotState(
 	go sm.processSnapshotCompletion(stats, trieStorageManager, missingNodesChannel, iteratorChannels.ErrChan, rootHash, epoch)
 }
 
-func (sm *snapshotsManager) earlySnapshotCompletion(stats *snapshotStatistics) {
+func (sm *snapshotsManager) earlySnapshotCompletion(stats *snapshotStatistics, trieStorageManager common.StorageManager) {
 	sm.mutex.Lock()
 	defer sm.mutex.Unlock()
 
 	stats.SnapshotFinished()
 	sm.isSnapshotInProgress.Reset()
+	trieStorageManager.ExitPruningBufferingMode()
 }
 
 func (sm *snapshotsManager) waitForStorageEpochChange(args storageEpochChangeWaitArgs) error {
+	if sm.processingMode == common.ImportDb {
+		log.Debug("no need to wait for storage epoch change as the node is running in import-db mode")
+		return nil
+	}
+
 	if args.SnapshotWaitTimeout < args.WaitTimeForSnapshotEpochCheck {
 		return fmt.Errorf("timeout (%s) must be greater than wait time between snapshot epoch check (%s)", args.SnapshotWaitTimeout, args.WaitTimeForSnapshotEpochCheck)
 	}

state/snapshotsManager_test.go

@@ -7,6 +7,7 @@ import (
 	"time"
 
 	"github.com/multiversx/mx-chain-core-go/core"
+	"github.com/multiversx/mx-chain-core-go/core/atomic"
 	"github.com/multiversx/mx-chain-go/common"
 	"github.com/multiversx/mx-chain-go/process/mock"
 	"github.com/multiversx/mx-chain-go/state"
@@ -104,6 +105,16 @@ func TestNewSnapshotsManager(t *testing.T) {
 	})
 }
 
+func TestSnapshotsManager_IsInterfaceNil(t *testing.T) {
+	t.Parallel()
+
+	instance := state.NewNilSnapshotsManager()
+	assert.True(t, instance.IsInterfaceNil())
+
+	instance, _ = state.NewSnapshotsManager(getDefaultSnapshotManagerArgs())
+	assert.False(t, instance.IsInterfaceNil())
+}
+
 func TestSnapshotsManager_SetSyncer(t *testing.T) {
 	t.Parallel()
 
@@ -321,6 +332,8 @@ func TestSnapshotsManager_SnapshotState(t *testing.T) {
 		getLatestStorageEpochCalled := false
 
 		sm, _ := state.NewSnapshotsManager(getDefaultSnapshotManagerArgs())
+		enterPruningBufferingModeCalled := atomic.Flag{}
+		exitPruningBufferingModeCalled := atomic.Flag{}
 		tsm := &storageManager.StorageManagerStub{
 			GetLatestStorageEpochCalled: func() (uint32, error) {
 				getLatestStorageEpochCalled = true
@@ -331,6 +344,12 @@ func TestSnapshotsManager_SnapshotState(t *testing.T) {
 				assert.Fail(t, "the func should have returned before this is called")
 				return false
 			},
+			EnterPruningBufferingModeCalled: func() {
+				enterPruningBufferingModeCalled.SetValue(true)
+			},
+			ExitPruningBufferingModeCalled: func() {
+				exitPruningBufferingModeCalled.SetValue(true)
+			},
 		}
 
 		sm.SnapshotState(rootHash, epoch, tsm)
@@ -339,6 +358,8 @@ func TestSnapshotsManager_SnapshotState(t *testing.T) {
 		}
 
 		assert.True(t, getLatestStorageEpochCalled)
+		assert.True(t, enterPruningBufferingModeCalled.IsSet())
+		assert.True(t, exitPruningBufferingModeCalled.IsSet())
 	})
 	t.Run("tsm signals that a snapshot should not be taken", func(t *testing.T) {
 		t.Parallel()
@@ -352,6 +373,8 @@ func TestSnapshotsManager_SnapshotState(t *testing.T) {
 			},
 		}
 		sm, _ := state.NewSnapshotsManager(args)
+		enterPruningBufferingModeCalled := atomic.Flag{}
+		exitPruningBufferingModeCalled := atomic.Flag{}
 		tsm := &storageManager.StorageManagerStub{
 			GetLatestStorageEpochCalled: func() (uint32, error) {
 				return 5, nil
@@ -361,6 +384,12 @@ func TestSnapshotsManager_SnapshotState(t *testing.T) {
 				assert.True(t, sm.IsSnapshotInProgress())
 				return false
 			},
+			EnterPruningBufferingModeCalled: func() {
+				enterPruningBufferingModeCalled.SetValue(true)
+			},
+			ExitPruningBufferingModeCalled: func() {
+				exitPruningBufferingModeCalled.SetValue(true)
+			},
 		}
 
 		sm.SnapshotState(rootHash, epoch, tsm)
@@ -369,6 +398,8 @@ func TestSnapshotsManager_SnapshotState(t *testing.T) {
 		}
 
 		assert.True(t, shouldTakeSnapshotCalled)
+		assert.True(t, enterPruningBufferingModeCalled.IsSet())
+		assert.True(t, exitPruningBufferingModeCalled.IsSet())
 	})
 	t.Run("snapshot with errors does not mark active and does not remove lastSnapshot", func(t *testing.T) {
 		t.Parallel()
@@ -503,6 +534,24 @@ func TestSnapshotsManager_WaitForStorageEpochChange(t *testing.T) {
 		err := sm.WaitForStorageEpochChange(args)
 		assert.Error(t, err)
 	})
+	t.Run("is in import-db mode should not return error on timeout condition", func(t *testing.T) {
+		t.Parallel()
+
+		args := state.GetStorageEpochChangeWaitArgs()
+		args.WaitTimeForSnapshotEpochCheck = time.Millisecond
+		args.SnapshotWaitTimeout = time.Millisecond * 5
+		args.TrieStorageManager = &storageManager.StorageManagerStub{
+			GetLatestStorageEpochCalled: func() (uint32, error) {
+				return 0, nil
+			},
+		}
+		argsSnapshotManager := getDefaultSnapshotManagerArgs()
+		argsSnapshotManager.ProcessingMode = common.ImportDb
+		sm, _ := state.NewSnapshotsManager(argsSnapshotManager)
+
+		err := sm.WaitForStorageEpochChange(args)
+		assert.Nil(t, err)
+	})
 	t.Run("returns when latestStorageEpoch == snapshotEpoch", func(t *testing.T) {
 		t.Parallel()