remove the state checkpoint operation

cmd/node/config/config.toml

@@ -342,32 +342,6 @@
         ShardIDProviderType = "BinarySplit"
         NumShards = 4
 
-[AccountsTrieCheckpointsStorage]
-    [AccountsTrieCheckpointsStorage.Cache]
-        Name = "AccountsTrieCheckpointsStorage"
-        Capacity = 100000
-        Type = "SizeLRU"
-        SizeInBytes = 52428800 #50MB
-    [AccountsTrieCheckpointsStorage.DB]
-        FilePath = "AccountsTrieCheckpoints"
-        Type = "LvlDBSerial"
-        BatchDelaySeconds = 2
-        MaxBatchSize = 45000
-        MaxOpenFiles = 10
-
-[PeerAccountsTrieCheckpointsStorage]
-    [PeerAccountsTrieCheckpointsStorage.Cache]
-        Name = "PeerAccountsTrieCheckpointsStorage"
-        Capacity = 10000
-        Type = "SizeLRU"
-        SizeInBytes = 52428800 #50MB
-    [PeerAccountsTrieCheckpointsStorage.DB]
-        FilePath = "PeerAccountsTrieCheckpoints"
-        Type = "LvlDBSerial"
-        BatchDelaySeconds = 2
-        MaxBatchSize = 1000
-        MaxOpenFiles = 10
-
 [EvictionWaitingList]
     #total max size ~ 2 * [(RoothashesSize * 32) + (HashesSize * 32)]
     RootHashesSize = 10000
@@ -383,7 +357,6 @@
     PruningBufferLen = 100000
     SnapshotsBufferLen = 1000000
     SnapshotsGoroutineNum = 200
-    CheckpointHashesHolderMaxSize = 52428800 #50MB
 
 [HeadersPoolConfig]
     MaxHeadersPerShard = 1000
@@ -677,8 +650,6 @@
     Version = 0  # Setting 0 means 'use default value'
 
 [StateTriesConfig]
-    CheckpointRoundsModulus = 100
-    CheckpointsEnabled = false
     SnapshotsEnabled = true
     AccountsStatePruningEnabled = false
     PeerStatePruningEnabled = true

cmd/node/flags.go

@@ -712,8 +712,6 @@ func processConfigImportDBMode(log logger.Logger, configs *config.Configs) error
 
 	// We need to increment "NumActivePersisters" in order to make the storage resolvers work (since they open 2 epochs in advance)
 	generalConfigs.StoragePruning.NumActivePersisters++
-	generalConfigs.StateTriesConfig.CheckpointsEnabled = false
-	generalConfigs.StateTriesConfig.CheckpointRoundsModulus = 100000000
 	p2pConfigs.Node.ThresholdMinConnectedPeers = 0
 	p2pConfigs.KadDhtPeerDiscovery.Enabled = false
 	fullArchiveP2PConfigs.Node.ThresholdMinConnectedPeers = 0
@@ -723,8 +721,6 @@ func processConfigImportDBMode(log logger.Logger, configs *config.Configs) error
 
 	log.Warn("the node is in import mode! Will auto-set some config values, including storage config values",
 		"GeneralSettings.StartInEpochEnabled", generalConfigs.GeneralSettings.StartInEpochEnabled,
-		"StateTriesConfig.CheckpointsEnabled", generalConfigs.StateTriesConfig.CheckpointsEnabled,
-		"StateTriesConfig.CheckpointRoundsModulus", generalConfigs.StateTriesConfig.CheckpointRoundsModulus,
 		"StoragePruning.NumEpochsToKeep", generalConfigs.StoragePruning.NumEpochsToKeep,
 		"StoragePruning.NumActivePersisters", generalConfigs.StoragePruning.NumActivePersisters,
 		"p2p.ThresholdMinConnectedPeers", p2pConfigs.Node.ThresholdMinConnectedPeers,

common/interface.go

@@ -100,13 +100,11 @@ type StorageManager interface {
 	PutInEpoch(key []byte, val []byte, epoch uint32) error
 	PutInEpochWithoutCache(key []byte, val []byte, epoch uint32) error
 	TakeSnapshot(address string, rootHash []byte, mainTrieRootHash []byte, iteratorChannels *TrieIteratorChannels, missingNodesChan chan []byte, stats SnapshotStatisticsHandler, epoch uint32)
-	SetCheckpoint(rootHash []byte, mainTrieRootHash []byte, iteratorChannels *TrieIteratorChannels, missingNodesChan chan []byte, stats SnapshotStatisticsHandler)
 	GetLatestStorageEpoch() (uint32, error)
 	IsPruningEnabled() bool
 	IsPruningBlocked() bool
 	EnterPruningBufferingMode()
 	ExitPruningBufferingMode()
-	AddDirtyCheckpointHashes([]byte, ModifiedHashes) bool
 	RemoveFromAllActiveEpochs(hash []byte) error
 	SetEpochForPutOperation(uint32)
 	ShouldTakeSnapshot() bool

config/config.go

@@ -154,14 +154,12 @@ type Config struct {
 	BootstrapStorage StorageConfig
 	MetaBlockStorage StorageConfig
 
-	AccountsTrieStorage                StorageConfig
-	PeerAccountsTrieStorage            StorageConfig
-	AccountsTrieCheckpointsStorage     StorageConfig
-	PeerAccountsTrieCheckpointsStorage StorageConfig
-	EvictionWaitingList                EvictionWaitingListConfig
-	StateTriesConfig                   StateTriesConfig
-	TrieStorageManagerConfig           TrieStorageManagerConfig
-	BadBlocksCache                     CacheConfig
+	AccountsTrieStorage      StorageConfig
+	PeerAccountsTrieStorage  StorageConfig
+	EvictionWaitingList      EvictionWaitingListConfig
+	StateTriesConfig         StateTriesConfig
+	TrieStorageManagerConfig TrieStorageManagerConfig
+	BadBlocksCache           CacheConfig
 
 	TxBlockBodyDataPool         CacheConfig
 	PeerBlockBodyDataPool       CacheConfig
@@ -293,8 +291,6 @@ type FacadeConfig struct {
 
 // StateTriesConfig will hold information about state tries
 type StateTriesConfig struct {
-	CheckpointRoundsModulus     uint
-	CheckpointsEnabled          bool
 	SnapshotsEnabled            bool
 	AccountsStatePruningEnabled bool
 	PeerStatePruningEnabled     bool
@@ -304,10 +300,9 @@ type StateTriesConfig struct {
 
 // TrieStorageManagerConfig will hold config information about trie storage manager
 type TrieStorageManagerConfig struct {
-	PruningBufferLen              uint32
-	SnapshotsBufferLen            uint32
-	SnapshotsGoroutineNum         uint32
-	CheckpointHashesHolderMaxSize uint64
+	PruningBufferLen      uint32
+	SnapshotsBufferLen    uint32
+	SnapshotsGoroutineNum uint32
 }
 
 // EndpointsThrottlersConfig holds a pair of an endpoint and its maximum number of simultaneous go routines

config/tomlConfig_test.go

@@ -134,8 +134,6 @@ func TestTomlParser(t *testing.T) {
 			},
 		},
 		StateTriesConfig: StateTriesConfig{
-			CheckpointRoundsModulus:     37,
-			CheckpointsEnabled:          true,
 			SnapshotsEnabled:            true,
 			AccountsStatePruningEnabled: true,
 			PeerStatePruningEnabled:     true,
@@ -232,8 +230,6 @@ func TestTomlParser(t *testing.T) {
         DoProfileOnShuffleOut = true
 
 [StateTriesConfig]
-    CheckpointRoundsModulus = 37
-    CheckpointsEnabled = true
     SnapshotsEnabled = true
     AccountsStatePruningEnabled = true
     PeerStatePruningEnabled = true

dataRetriever/factory/storageRequestersContainer/baseRequestersContainerFactory.go

@@ -236,7 +236,6 @@ func (brcf *baseRequestersContainerFactory) createMiniBlocksRequester(responseTo
 
 func (brcf *baseRequestersContainerFactory) newImportDBTrieStorage(
 	mainStorer storage.Storer,
-	checkpointsStorer storage.Storer,
 	storageIdentifier dataRetriever.UnitType,
 	handler common.EnableEpochsHandler,
 ) (common.StorageManager, dataRetriever.TrieDataGetter, error) {
@@ -263,9 +262,7 @@ func (brcf *baseRequestersContainerFactory) newImportDBTrieStorage(
 
 	args := trieFactory.TrieCreateArgs{
 		MainStorer:          mainStorer,
-		CheckpointsStorer:   checkpointsStorer,
 		PruningEnabled:      brcf.generalConfig.StateTriesConfig.AccountsStatePruningEnabled,
-		CheckpointsEnabled:  brcf.generalConfig.StateTriesConfig.CheckpointsEnabled,
 		MaxTrieLevelInMem:   brcf.generalConfig.StateTriesConfig.MaxStateTrieLevelInMemory,
 		SnapshotsEnabled:    brcf.snapshotsEnabled,
 		IdleProvider:        disabled.NewProcessStatusHandler(),

dataRetriever/factory/storageRequestersContainer/metaRequestersContainerFactory.go

@@ -186,15 +186,9 @@ func (mrcf *metaRequestersContainerFactory) generateTrieNodesRequesters() error
 		return err
 	}
 
-	userAccountsCheckpointStorer, err := mrcf.store.GetStorer(dataRetriever.UserAccountsCheckpointsUnit)
-	if err != nil {
-		return err
-	}
-
 	identifierTrieNodes := factory.AccountTrieNodesTopic + core.CommunicationIdentifierBetweenShards(core.MetachainShardId, core.MetachainShardId)
 	storageManager, userAccountsDataTrie, err := mrcf.newImportDBTrieStorage(
 		userAccountsStorer,
-		userAccountsCheckpointStorer,
 		dataRetriever.UserAccountsUnit,
 		mrcf.enableEpochsHandler,
 	)
@@ -224,15 +218,9 @@ func (mrcf *metaRequestersContainerFactory) generateTrieNodesRequesters() error
 		return err
 	}
 
-	peerAccountsCheckpointStorer, err := mrcf.store.GetStorer(dataRetriever.PeerAccountsCheckpointsUnit)
-	if err != nil {
-		return err
-	}
-
 	identifierTrieNodes = factory.ValidatorTrieNodesTopic + core.CommunicationIdentifierBetweenShards(core.MetachainShardId, core.MetachainShardId)
 	storageManager, peerAccountsDataTrie, err := mrcf.newImportDBTrieStorage(
 		peerAccountsStorer,
-		peerAccountsCheckpointStorer,
 		dataRetriever.PeerAccountsUnit,
 		mrcf.enableEpochsHandler,
 	)

dataRetriever/factory/storageRequestersContainer/metaRequestersContainerFactory_test.go

@@ -206,7 +206,6 @@ func getArgumentsMeta() storagerequesterscontainer.FactoryArgs {
 				SnapshotsGoroutineNum: 2,
 			},
 			StateTriesConfig: config.StateTriesConfig{
-				CheckpointRoundsModulus:     100,
 				AccountsStatePruningEnabled: false,
 				PeerStatePruningEnabled:     false,
 				MaxStateTrieLevelInMemory:   5,

dataRetriever/factory/storageRequestersContainer/shardRequestersContainerFactory.go

@@ -161,15 +161,9 @@ func (srcf *shardRequestersContainerFactory) generateTrieNodesRequesters() error
 		return err
 	}
 
-	userAccountsCheckpointStorer, err := srcf.store.GetStorer(dataRetriever.UserAccountsCheckpointsUnit)
-	if err != nil {
-		return err
-	}
-
 	identifierTrieNodes := factory.AccountTrieNodesTopic + shardC.CommunicationIdentifier(core.MetachainShardId)
 	storageManager, userAccountsDataTrie, err := srcf.newImportDBTrieStorage(
 		userAccountsStorer,
-		userAccountsCheckpointStorer,
 		dataRetriever.UserAccountsUnit,
 		srcf.enableEpochsHandler,
 	)

dataRetriever/factory/storageRequestersContainer/shardRequestersContainerFactory_test.go

@@ -191,7 +191,6 @@ func getArgumentsShard() storagerequesterscontainer.FactoryArgs {
 				SnapshotsGoroutineNum: 2,
 			},
 			StateTriesConfig: config.StateTriesConfig{
-				CheckpointRoundsModulus:     100,
 				AccountsStatePruningEnabled: false,
 				PeerStatePruningEnabled:     false,
 				MaxStateTrieLevelInMemory:   5,

dataRetriever/unitType.go

@@ -45,14 +45,10 @@ const (
 	RoundHdrHashDataUnit UnitType = 19
 	// UserAccountsUnit is the user accounts storage unit identifier
 	UserAccountsUnit UnitType = 20
-	// UserAccountsCheckpointsUnit is the user accounts checkpoints storage unit identifier
-	UserAccountsCheckpointsUnit UnitType = 21
 	// PeerAccountsUnit is the peer accounts storage unit identifier
-	PeerAccountsUnit UnitType = 22
-	// PeerAccountsCheckpointsUnit is the peer accounts checkpoints storage unit identifier
-	PeerAccountsCheckpointsUnit UnitType = 23
+	PeerAccountsUnit UnitType = 21
 	// ScheduledSCRsUnit is the scheduled SCRs storage unit identifier
-	ScheduledSCRsUnit UnitType = 24
+	ScheduledSCRsUnit UnitType = 22
 
 	// ShardHdrNonceHashDataUnit is the header nonce-hash pair data unit identifier
 	//TODO: Add only unit types lower than 100
@@ -110,12 +106,8 @@ func (ut UnitType) String() string {
 		return "RoundHdrHashDataUnit"
 	case UserAccountsUnit:
 		return "UserAccountsUnit"
-	case UserAccountsCheckpointsUnit:
-		return "UserAccountsCheckpointsUnit"
 	case PeerAccountsUnit:
 		return "PeerAccountsUnit"
-	case PeerAccountsCheckpointsUnit:
-		return "PeerAccountsCheckpointsUnit"
 	case ScheduledSCRsUnit:
 		return "ScheduledSCRsUnit"
 	}

dataRetriever/unitType_test.go

@@ -51,12 +51,8 @@ func TestUnitType_String(t *testing.T) {
 	require.Equal(t, "RoundHdrHashDataUnit", ut.String())
 	ut = UserAccountsUnit
 	require.Equal(t, "UserAccountsUnit", ut.String())
-	ut = UserAccountsCheckpointsUnit
-	require.Equal(t, "UserAccountsCheckpointsUnit", ut.String())
 	ut = PeerAccountsUnit
 	require.Equal(t, "PeerAccountsUnit", ut.String())
-	ut = PeerAccountsCheckpointsUnit
-	require.Equal(t, "PeerAccountsCheckpointsUnit", ut.String())
 	ut = ScheduledSCRsUnit
 	require.Equal(t, "ScheduledSCRsUnit", ut.String())
 

epochStart/bootstrap/disabled/disabledAccountsAdapter.go

@@ -103,10 +103,6 @@ func (a *accountsAdapter) CancelPrune(_ []byte, _ state.TriePruningIdentifier) {
 func (a *accountsAdapter) SnapshotState(_ []byte, _ uint32) {
 }
 
-// SetStateCheckpoint -
-func (a *accountsAdapter) SetStateCheckpoint(_ []byte) {
-}
-
 // IsPruningEnabled -
 func (a *accountsAdapter) IsPruningEnabled() bool {
 	return false

epochStart/bootstrap/process_test.go

@@ -109,27 +109,25 @@ func createMockEpochStartBootstrapArgs(
 		},
 		FullArchiveMessenger: &p2pmocks.MessengerStub{},
 		GeneralConfig: config.Config{
-			MiniBlocksStorage:                  generalCfg.MiniBlocksStorage,
-			PeerBlockBodyStorage:               generalCfg.PeerBlockBodyStorage,
-			BlockHeaderStorage:                 generalCfg.BlockHeaderStorage,
-			TxStorage:                          generalCfg.TxStorage,
-			UnsignedTransactionStorage:         generalCfg.UnsignedTransactionStorage,
-			RewardTxStorage:                    generalCfg.RewardTxStorage,
-			ShardHdrNonceHashStorage:           generalCfg.ShardHdrNonceHashStorage,
-			MetaHdrNonceHashStorage:            generalCfg.MetaHdrNonceHashStorage,
-			StatusMetricsStorage:               generalCfg.StatusMetricsStorage,
-			ReceiptsStorage:                    generalCfg.ReceiptsStorage,
-			SmartContractsStorage:              generalCfg.SmartContractsStorage,
-			SmartContractsStorageForSCQuery:    generalCfg.SmartContractsStorageForSCQuery,
-			TrieEpochRootHashStorage:           generalCfg.TrieEpochRootHashStorage,
-			BootstrapStorage:                   generalCfg.BootstrapStorage,
-			MetaBlockStorage:                   generalCfg.MetaBlockStorage,
-			AccountsTrieStorage:                generalCfg.AccountsTrieStorage,
-			PeerAccountsTrieStorage:            generalCfg.PeerAccountsTrieStorage,
-			AccountsTrieCheckpointsStorage:     generalCfg.AccountsTrieCheckpointsStorage,
-			PeerAccountsTrieCheckpointsStorage: generalCfg.PeerAccountsTrieCheckpointsStorage,
-			HeartbeatV2:                        generalCfg.HeartbeatV2,
-			Hardfork:                           generalCfg.Hardfork,
+			MiniBlocksStorage:               generalCfg.MiniBlocksStorage,
+			PeerBlockBodyStorage:            generalCfg.PeerBlockBodyStorage,
+			BlockHeaderStorage:              generalCfg.BlockHeaderStorage,
+			TxStorage:                       generalCfg.TxStorage,
+			UnsignedTransactionStorage:      generalCfg.UnsignedTransactionStorage,
+			RewardTxStorage:                 generalCfg.RewardTxStorage,
+			ShardHdrNonceHashStorage:        generalCfg.ShardHdrNonceHashStorage,
+			MetaHdrNonceHashStorage:         generalCfg.MetaHdrNonceHashStorage,
+			StatusMetricsStorage:            generalCfg.StatusMetricsStorage,
+			ReceiptsStorage:                 generalCfg.ReceiptsStorage,
+			SmartContractsStorage:           generalCfg.SmartContractsStorage,
+			SmartContractsStorageForSCQuery: generalCfg.SmartContractsStorageForSCQuery,
+			TrieEpochRootHashStorage:        generalCfg.TrieEpochRootHashStorage,
+			BootstrapStorage:                generalCfg.BootstrapStorage,
+			MetaBlockStorage:                generalCfg.MetaBlockStorage,
+			AccountsTrieStorage:             generalCfg.AccountsTrieStorage,
+			PeerAccountsTrieStorage:         generalCfg.PeerAccountsTrieStorage,
+			HeartbeatV2:                     generalCfg.HeartbeatV2,
+			Hardfork:                        generalCfg.Hardfork,
 			EvictionWaitingList: config.EvictionWaitingListConfig{
 				HashesSize:     100,
 				RootHashesSize: 100,
@@ -142,7 +140,6 @@ func createMockEpochStartBootstrapArgs(
 				},
 			},
 			StateTriesConfig: config.StateTriesConfig{
-				CheckpointRoundsModulus:     5,
 				AccountsStatePruningEnabled: true,
 				PeerStatePruningEnabled:     true,
 				MaxStateTrieLevelInMemory:   5,

epochStart/metachain/systemSCs_test.go

@@ -920,7 +920,6 @@ func createFullArgumentsForSystemSCProcessing(enableEpochsConfig config.EnableEp
 	storageManagerArgs.Marshalizer = marshalizer
 	storageManagerArgs.Hasher = hasher
 	storageManagerArgs.MainStorer = trieStorer
-	storageManagerArgs.CheckpointsStorer = trieStorer
 
 	trieFactoryManager, _ := trie.CreateTrieStorageManager(storageManagerArgs, storageMock.GetStorageManagerOptions())
 	argsAccCreator := factory.ArgsAccountCreator{