LocallyGeneratedInputBlock / LocallyGeneratedOrderingBlock

ergo-core/src/main/scala/org/ergoplatform/nodeView/LocallyGeneratedModifier.scala → ergo-core/src/main/scala/org/ergoplatform/nodeView/LocallyGeneratedBlockSection.scala

@@ -5,4 +5,4 @@ import org.ergoplatform.modifiers.BlockSection
 /**
   * Wrapper for locally generated block section
   */
-case class LocallyGeneratedModifier(blockSection: BlockSection)
+case class LocallyGeneratedBlockSection(blockSection: BlockSection)

ergo-core/src/main/scala/org/ergoplatform/nodeView/LocallyGeneratedInputBlock.scala

@@ -0,0 +1,5 @@
+package org.ergoplatform.nodeView
+
+import org.ergoplatform.modifiers.ErgoFullBlock
+
+case class LocallyGeneratedInputBlock(efb: ErgoFullBlock)

ergo-core/src/main/scala/org/ergoplatform/nodeView/LocallyGeneratedOrderingBlock.scala

@@ -0,0 +1,5 @@
+package org.ergoplatform.nodeView
+
+import org.ergoplatform.modifiers.ErgoFullBlock
+
+case class LocallyGeneratedOrderingBlock(efb: ErgoFullBlock)

src/main/scala/org/ergoplatform/http/api/BlocksApiRoute.scala

@@ -12,7 +12,7 @@ import org.ergoplatform.nodeView.ErgoReadersHolder.GetDataFromHistory
 import org.ergoplatform.nodeView.history.ErgoHistoryReader
 import org.ergoplatform.settings.{Algos, ErgoSettings, RESTApiSettings}
 import org.ergoplatform.http.api.ApiError.BadRequest
-import org.ergoplatform.nodeView.LocallyGeneratedModifier
+import org.ergoplatform.nodeView.LocallyGeneratedBlockSection
 import scorex.core.api.http.ApiResponse
 import scorex.crypto.authds.merkle.MerkleProof
 import scorex.crypto.hash.Digest32
@@ -127,9 +127,9 @@ case class BlocksApiRoute(viewHolderRef: ActorRef, readersHolder: ActorRef, ergo
     if (ergoSettings.chainSettings.powScheme.validate(block.header).isSuccess) {
       log.info("Received a new valid block through the API: " + block)
 
-      viewHolderRef ! LocallyGeneratedModifier(block.header)
+      viewHolderRef ! LocallyGeneratedBlockSection(block.header)
       block.blockSections.foreach {
-        viewHolderRef ! LocallyGeneratedModifier(_)
+        viewHolderRef ! LocallyGeneratedBlockSection(_)
       }
 
       ApiResponse.OK

src/main/scala/org/ergoplatform/mining/CandidateGenerator.scala

@@ -15,11 +15,11 @@ import org.ergoplatform.modifiers.mempool.{ErgoTransaction, UnconfirmedTransacti
 import org.ergoplatform.network.ErgoNodeViewSynchronizerMessages._
 import org.ergoplatform.nodeView.ErgoNodeViewHolder.ReceivableMessages.EliminateTransactions
 import org.ergoplatform.nodeView.ErgoReadersHolder.{GetReaders, Readers}
-import org.ergoplatform.nodeView.LocallyGeneratedModifier
+import org.ergoplatform.nodeView.{LocallyGeneratedInputBlock, LocallyGeneratedOrderingBlock}
 import org.ergoplatform.nodeView.history.ErgoHistoryUtils.Height
 import org.ergoplatform.nodeView.history.{ErgoHistoryReader, ErgoHistoryUtils}
 import org.ergoplatform.nodeView.mempool.ErgoMemPoolReader
-import org.ergoplatform.nodeView.state.{ErgoState, ErgoStateContext, StateType, UtxoStateReader}
+import org.ergoplatform.nodeView.state.{ErgoState, ErgoStateContext, UtxoStateReader}
 import org.ergoplatform.settings.{ErgoSettings, ErgoValidationSettingsUpdate, Parameters}
 import org.ergoplatform.sdk.wallet.Constants.MaxAssetsPerBox
 import org.ergoplatform.subblocks.SubBlockInfo
@@ -57,24 +57,20 @@ class CandidateGenerator(
     readersHolderRef ! GetReaders
   }
 
-  /** Send solved block to local blockchain controller */
+  /** Send solved ordering block to processing */
   private def sendOrderingToNodeView(newBlock: ErgoFullBlock): Unit = {
     log.info(
       s"New ordering block ${newBlock.id} w. nonce ${Longs.fromByteArray(newBlock.header.powSolution.n)}"
     )
-    viewHolderRef ! LocallyGeneratedModifier(newBlock.header)
-    val sectionsToApply = if (ergoSettings.nodeSettings.stateType == StateType.Digest) {
-      newBlock.blockSections
-    } else {
-      newBlock.mandatoryBlockSections
-    }
-    sectionsToApply.foreach(viewHolderRef ! LocallyGeneratedModifier(_))
+    viewHolderRef ! LocallyGeneratedOrderingBlock(newBlock)
   }
 
+  /** Send solved input block to processing */
   private def sendInputToNodeView(newBlock: ErgoFullBlock): Unit = {
     log.info(
       s"New input block ${newBlock.id} w. nonce ${Longs.fromByteArray(newBlock.header.powSolution.n)}"
     )
+    viewHolderRef ! LocallyGeneratedInputBlock(newBlock)
   }
 
   override def receive: Receive = {
@@ -211,7 +207,8 @@ class CandidateGenerator(
             log.info("Input-block mined!")
             val newBlock = completeInputBlock(state.cache.get.candidateBlock, solution)
             val powValid = SubBlockAlgos.checkInputBlockPoW(newBlock.header)
-            // todo: check links? send to node view, update state
+            // todo: check links?
+            // todo: update candidate generator state
             sendInputToNodeView(newBlock)
             StatusReply.error(
               new Exception(s"Input block found! PoW valid: $powValid")

src/main/scala/org/ergoplatform/nodeView/ErgoNodeViewHolder.scala

@@ -670,9 +670,23 @@ abstract class ErgoNodeViewHolder[State <: ErgoState[State]](settings: ErgoSetti
   }
 
   protected def processLocallyGeneratedModifiers: Receive = {
-    case lm: LocallyGeneratedModifier =>
+    case lm: LocallyGeneratedBlockSection =>
       log.info(s"Got locally generated modifier ${lm.blockSection.encodedId} of type ${lm.blockSection.modifierTypeId}")
       pmodModify(lm.blockSection, local = true)
+    case LocallyGeneratedOrderingBlock(efb) =>
+      log.info(s"Got locally generated ordering block ${efb.id}")
+      pmodModify(efb.header, local = true)
+      val sectionsToApply = if (settings.nodeSettings.stateType == StateType.Digest) {
+        efb.blockSections
+      } else {
+        efb.mandatoryBlockSections
+      }
+      sectionsToApply.foreach { section =>
+        pmodModify(section, local = true)
+      }
+    case LocallyGeneratedInputBlock(efb) =>
+      log.info(s"Got locally generated input block ${efb.id}")
+      // todo: real processing
   }
 
   protected def getCurrentInfo: Receive = {

src/main/scala/org/ergoplatform/nodeView/state/DigestState.scala

@@ -13,7 +13,7 @@ import org.ergoplatform.utils.LoggingUtil
 import org.ergoplatform.wallet.boxes.ErgoBoxSerializer
 import scorex.db.{ByteArrayWrapper, LDBVersionedStore}
 import org.ergoplatform.core._
-import org.ergoplatform.nodeView.LocallyGeneratedModifier
+import org.ergoplatform.nodeView.LocallyGeneratedBlockSection
 import org.ergoplatform.utils.ScorexEncoding
 import scorex.crypto.authds.ADDigest
 import scorex.util.ScorexLogging
@@ -81,7 +81,7 @@ class DigestState protected(override val version: VersionTag,
       Failure(new Exception(s"Modifier not validated: $a"))
   }
 
-  override def applyModifier(mod: BlockSection, estimatedTip: Option[Height])(generate: LocallyGeneratedModifier => Unit): Try[DigestState] =
+  override def applyModifier(mod: BlockSection, estimatedTip: Option[Height])(generate: LocallyGeneratedBlockSection => Unit): Try[DigestState] =
     (processFullBlock orElse processHeader orElse processOther) (mod)
 
   @SuppressWarnings(Array("OptionGet"))

src/main/scala/org/ergoplatform/nodeView/state/ErgoState.scala

@@ -17,7 +17,7 @@ import org.ergoplatform.wallet.interpreter.ErgoInterpreter
 import org.ergoplatform.validation.ValidationResult.Valid
 import org.ergoplatform.validation.{ModifierValidator, ValidationResult}
 import org.ergoplatform.core.{VersionTag, idToVersion}
-import org.ergoplatform.nodeView.LocallyGeneratedModifier
+import org.ergoplatform.nodeView.LocallyGeneratedBlockSection
 import scorex.crypto.authds.avltree.batch.{Insert, Lookup, Remove}
 import scorex.crypto.authds.{ADDigest, ADValue}
 import scorex.util.encode.Base16
@@ -53,7 +53,7 @@ trait ErgoState[IState <: ErgoState[IState]] extends ErgoStateReader {
     * @param generate function that handles newly created modifier as a result of application the current one
     * @return new State
     */
-  def applyModifier(mod: BlockSection, estimatedTip: Option[Height])(generate: LocallyGeneratedModifier => Unit): Try[IState]
+  def applyModifier(mod: BlockSection, estimatedTip: Option[Height])(generate: LocallyGeneratedBlockSection => Unit): Try[IState]
 
   def rollbackTo(version: VersionTag): Try[IState]
 

src/main/scala/org/ergoplatform/nodeView/state/UtxoState.scala

@@ -13,7 +13,7 @@ import org.ergoplatform.settings.ValidationRules.{fbDigestIncorrect, fbOperation
 import org.ergoplatform.settings.{Algos, ErgoSettings, Parameters}
 import org.ergoplatform.utils.LoggingUtil
 import org.ergoplatform.core._
-import org.ergoplatform.nodeView.LocallyGeneratedModifier
+import org.ergoplatform.nodeView.LocallyGeneratedBlockSection
 import org.ergoplatform.validation.ModifierValidator
 import scorex.crypto.authds.avltree.batch._
 import scorex.crypto.authds.avltree.batch.serialization.{BatchAVLProverManifest, BatchAVLProverSubtree}
@@ -108,7 +108,7 @@ class UtxoState(override val persistentProver: PersistentBatchAVLProver[Digest32
   }
 
   private def applyFullBlock(fb: ErgoFullBlock, estimatedTip: Option[Height])
-                            (generate: LocallyGeneratedModifier => Unit): Try[UtxoState] = {
+                            (generate: LocallyGeneratedBlockSection => Unit): Try[UtxoState] = {
     val keepVersions = ergoSettings.nodeSettings.keepVersions
 
     // avoid storing versioned information in the database when block being processed is behind
@@ -192,7 +192,7 @@ class UtxoState(override val persistentProver: PersistentBatchAVLProver[Digest32
           if (fb.adProofs.isEmpty) {
             if (fb.height >= estimatedTip.getOrElse(Int.MaxValue) - ergoSettings.nodeSettings.adProofsSuffixLength) {
               val adProofs = ADProofs(fb.header.id, proofBytes)
-              generate(LocallyGeneratedModifier(adProofs))
+              generate(LocallyGeneratedBlockSection(adProofs))
             }
           }
 
@@ -213,7 +213,7 @@ class UtxoState(override val persistentProver: PersistentBatchAVLProver[Digest32
   }
 
   override def applyModifier(mod: BlockSection, estimatedTip: Option[Height])
-                            (generate: LocallyGeneratedModifier => Unit): Try[UtxoState] = mod match {
+                            (generate: LocallyGeneratedBlockSection => Unit): Try[UtxoState] = mod match {
     case fb: ErgoFullBlock => applyFullBlock(fb, estimatedTip)(generate)
 
     case bs: BlockSection =>

src/test/scala/org/ergoplatform/nodeView/state/wrapped/WrappedDigestState.scala

@@ -5,7 +5,7 @@ import org.ergoplatform.modifiers.BlockSection
 import org.ergoplatform.nodeView.state.DigestState
 import org.ergoplatform.settings.ErgoSettings
 import org.ergoplatform.core.VersionTag
-import org.ergoplatform.nodeView.LocallyGeneratedModifier
+import org.ergoplatform.nodeView.LocallyGeneratedBlockSection
 
 import scala.util.Try
 
@@ -15,7 +15,7 @@ class WrappedDigestState(val digestState: DigestState,
   extends DigestState(digestState.version, digestState.rootDigest, digestState.store, settings) {
 
   override def applyModifier(mod: BlockSection, estimatedTip: Option[Height])
-                            (generate: LocallyGeneratedModifier => Unit): Try[WrappedDigestState] = {
+                            (generate: LocallyGeneratedBlockSection => Unit): Try[WrappedDigestState] = {
     wrapped(super.applyModifier(mod, estimatedTip)(_ => ()), wrappedUtxoState.applyModifier(mod, estimatedTip)(_ => ()))
   }
 

src/test/scala/org/ergoplatform/nodeView/state/wrapped/WrappedUtxoState.scala

@@ -10,7 +10,7 @@ import org.ergoplatform.settings.{ErgoSettings, Parameters}
 import org.ergoplatform.settings.Algos.HF
 import org.ergoplatform.wallet.boxes.ErgoBoxSerializer
 import org.ergoplatform.core.{VersionTag, idToVersion}
-import org.ergoplatform.nodeView.LocallyGeneratedModifier
+import org.ergoplatform.nodeView.LocallyGeneratedBlockSection
 import scorex.crypto.authds.avltree.batch._
 import scorex.crypto.hash.Digest32
 import scorex.db.{ByteArrayWrapper, LDBVersionedStore}
@@ -36,7 +36,7 @@ class WrappedUtxoState(prover: PersistentBatchAVLProver[Digest32, HF],
   }
 
   override def applyModifier(mod: BlockSection, estimatedTip: Option[Height] = None)
-                            (generate: LocallyGeneratedModifier => Unit): Try[WrappedUtxoState] =
+                            (generate: LocallyGeneratedBlockSection => Unit): Try[WrappedUtxoState] =
     super.applyModifier(mod, estimatedTip)(generate) match {
       case Success(us) =>
         mod match {

src/test/scala/org/ergoplatform/nodeView/viewholder/ErgoNodeViewHolderSpec.scala

@@ -12,7 +12,7 @@ import org.ergoplatform.settings.{Algos, Constants, ErgoSettings}
 import org.ergoplatform.utils.{ErgoCorePropertyTest, NodeViewTestConfig, NodeViewTestOps, TestCase}
 import org.ergoplatform.nodeView.ErgoNodeViewHolder.ReceivableMessages._
 import org.ergoplatform.network.ErgoNodeViewSynchronizerMessages._
-import org.ergoplatform.nodeView.{ErgoNodeViewHolder, LocallyGeneratedModifier}
+import org.ergoplatform.nodeView.{ErgoNodeViewHolder, LocallyGeneratedBlockSection}
 import org.ergoplatform.nodeView.ErgoNodeViewHolder.ReceivableMessages.ChainProgress
 import org.ergoplatform.nodeView.mempool.ErgoMemPoolUtils.ProcessingOutcome.Accepted
 import org.ergoplatform.wallet.utils.FileUtils
@@ -66,7 +66,7 @@ class ErgoNodeViewHolderSpec extends ErgoCorePropertyTest with NodeViewTestOps w
     subscribeEvents(classOf[SyntacticallySuccessfulModifier])
 
     //sending header
-    nodeViewHolderRef ! LocallyGeneratedModifier(block.header)
+    nodeViewHolderRef ! LocallyGeneratedBlockSection(block.header)
     expectMsgType[SyntacticallySuccessfulModifier]
 
     getHistoryHeight shouldBe GenesisHeight
@@ -106,15 +106,15 @@ class ErgoNodeViewHolderSpec extends ErgoCorePropertyTest with NodeViewTestOps w
     val genesis = validFullBlock(parentOpt = None, us, bh)
 
     subscribeEvents(classOf[SyntacticallySuccessfulModifier])
-    nodeViewHolderRef ! LocallyGeneratedModifier(genesis.header)
+    nodeViewHolderRef ! LocallyGeneratedBlockSection(genesis.header)
     expectMsgType[SyntacticallySuccessfulModifier]
 
     if (verifyTransactions) {
-      nodeViewHolderRef ! LocallyGeneratedModifier(genesis.blockTransactions)
+      nodeViewHolderRef ! LocallyGeneratedBlockSection(genesis.blockTransactions)
       expectMsgType[SyntacticallySuccessfulModifier]
-      nodeViewHolderRef ! LocallyGeneratedModifier(genesis.adProofs.value)
+      nodeViewHolderRef ! LocallyGeneratedBlockSection(genesis.adProofs.value)
       expectMsgType[SyntacticallySuccessfulModifier]
-      nodeViewHolderRef ! LocallyGeneratedModifier(genesis.extension)
+      nodeViewHolderRef ! LocallyGeneratedBlockSection(genesis.extension)
       expectMsgType[SyntacticallySuccessfulModifier]
       getBestFullBlockOpt shouldBe Some(genesis)
     }
@@ -256,9 +256,9 @@ class ErgoNodeViewHolderSpec extends ErgoCorePropertyTest with NodeViewTestOps w
       val (us, bh) = createUtxoState(fixture.settings)
       val genesis = validFullBlock(parentOpt = None, us, bh)
 
-      nodeViewHolderRef ! LocallyGeneratedModifier(genesis.header)
-      nodeViewHolderRef ! LocallyGeneratedModifier(genesis.blockTransactions)
-      nodeViewHolderRef ! LocallyGeneratedModifier(genesis.extension)
+      nodeViewHolderRef ! LocallyGeneratedBlockSection(genesis.header)
+      nodeViewHolderRef ! LocallyGeneratedBlockSection(genesis.blockTransactions)
+      nodeViewHolderRef ! LocallyGeneratedBlockSection(genesis.extension)
 
       getBestFullBlockOpt shouldBe Some(genesis)
       getModifierById(genesis.adProofs.value.id) shouldBe genesis.adProofs
@@ -306,7 +306,7 @@ class ErgoNodeViewHolderSpec extends ErgoCorePropertyTest with NodeViewTestOps w
 
     subscribeEvents(classOf[RecoverableFailedModification])
     subscribeEvents(classOf[SyntacticallySuccessfulModifier])
-    nodeViewHolderRef ! LocallyGeneratedModifier(chain2block1.header)
+    nodeViewHolderRef ! LocallyGeneratedBlockSection(chain2block1.header)
     expectMsgType[SyntacticallySuccessfulModifier]
 
     applyBlock(chain2block2, excludeExt = true) shouldBe 'success
@@ -330,7 +330,7 @@ class ErgoNodeViewHolderSpec extends ErgoCorePropertyTest with NodeViewTestOps w
     subscribeEvents(classOf[SyntacticallyFailedModification])
 
     //sending header
-    nodeViewHolderRef ! LocallyGeneratedModifier(block.header)
+    nodeViewHolderRef ! LocallyGeneratedBlockSection(block.header)
     expectMsgType[SyntacticallySuccessfulModifier]
     val currentHeight = getHistoryHeight
     currentHeight shouldBe GenesisHeight
@@ -357,16 +357,16 @@ class ErgoNodeViewHolderSpec extends ErgoCorePropertyTest with NodeViewTestOps w
       block.blockTransactions.copy(txs = wrongTxs)
     }
 
-    nodeViewHolderRef ! LocallyGeneratedModifier(recoverableTxs)
+    nodeViewHolderRef ! LocallyGeneratedBlockSection(recoverableTxs)
     expectMsgType[RecoverableFailedModification]
 
-    nodeViewHolderRef ! LocallyGeneratedModifier(invalidTxsWithWrongOutputs)
+    nodeViewHolderRef ! LocallyGeneratedBlockSection(invalidTxsWithWrongOutputs)
     expectMsgType[SyntacticallyFailedModification]
 
-    nodeViewHolderRef ! LocallyGeneratedModifier(invalidTxsWithWrongInputs)
+    nodeViewHolderRef ! LocallyGeneratedBlockSection(invalidTxsWithWrongInputs)
     expectMsgType[SyntacticallyFailedModification]
 
-    nodeViewHolderRef ! LocallyGeneratedModifier(block.blockTransactions)
+    nodeViewHolderRef ! LocallyGeneratedBlockSection(block.blockTransactions)
     expectMsgType[SyntacticallySuccessfulModifier]
   }
 
@@ -384,21 +384,21 @@ class ErgoNodeViewHolderSpec extends ErgoCorePropertyTest with NodeViewTestOps w
     subscribeEvents(classOf[SyntacticallyFailedModification])
 
     //sending header
-    nodeViewHolderRef ! LocallyGeneratedModifier(block.header)
+    nodeViewHolderRef ! LocallyGeneratedBlockSection(block.header)
     expectMsgType[SyntacticallySuccessfulModifier]
 
     val randomId = modifierIdGen.sample.value
     val wrongProofsBytes = SerializedAdProof @@ block.adProofs.value.proofBytes.reverse
     val wrongProofs1 = block.adProofs.map(_.copy(headerId = randomId))
     val wrongProofs2 = block.adProofs.map(_.copy(proofBytes = wrongProofsBytes))
 
-    nodeViewHolderRef ! LocallyGeneratedModifier(wrongProofs1.value)
+    nodeViewHolderRef ! LocallyGeneratedBlockSection(wrongProofs1.value)
     expectMsgType[RecoverableFailedModification]
 
-    nodeViewHolderRef ! LocallyGeneratedModifier(wrongProofs2.value)
+    nodeViewHolderRef ! LocallyGeneratedBlockSection(wrongProofs2.value)
     expectMsgType[SyntacticallyFailedModification]
 
-    nodeViewHolderRef ! LocallyGeneratedModifier(block.adProofs.value)
+    nodeViewHolderRef ! LocallyGeneratedBlockSection(block.adProofs.value)
     expectMsgType[SyntacticallySuccessfulModifier]
   }
 
@@ -417,7 +417,7 @@ class ErgoNodeViewHolderSpec extends ErgoCorePropertyTest with NodeViewTestOps w
     subscribeEvents(classOf[SyntacticallyFailedModification])
 
     //sending header
-    nodeViewHolderRef ! LocallyGeneratedModifier(block.header)
+    nodeViewHolderRef ! LocallyGeneratedBlockSection(block.header)
     expectMsgType[SyntacticallyFailedModification]
     getBestHeaderOpt shouldBe None
     getHistoryHeight shouldBe EmptyHistoryHeight
@@ -436,7 +436,7 @@ class ErgoNodeViewHolderSpec extends ErgoCorePropertyTest with NodeViewTestOps w
     subscribeEvents(classOf[SyntacticallySuccessfulModifier])
     subscribeEvents(classOf[SyntacticallyFailedModification])
 
-    nodeViewHolderRef ! LocallyGeneratedModifier(block.header)
+    nodeViewHolderRef ! LocallyGeneratedBlockSection(block.header)
     expectMsgType[SyntacticallySuccessfulModifier]
     getHistoryHeight shouldBe GenesisHeight
     getHeightOf(block.header.id) shouldBe Some(GenesisHeight)
@@ -485,7 +485,7 @@ class ErgoNodeViewHolderSpec extends ErgoCorePropertyTest with NodeViewTestOps w
     subscribeEvents(classOf[SyntacticallySuccessfulModifier])
     subscribeEvents(classOf[SyntacticallyFailedModification])
 
-    nodeViewHolderRef ! LocallyGeneratedModifier(header)
+    nodeViewHolderRef ! LocallyGeneratedBlockSection(header)
     expectMsgType[SyntacticallyFailedModification]
     getHistoryHeight shouldBe EmptyHistoryHeight
     getHeightOf(header.id) shouldBe None

src/test/scala/org/ergoplatform/nodeView/viewholder/PrunedNodeViewHolderSpec.scala

@@ -3,7 +3,7 @@ package org.ergoplatform.nodeView.viewholder
 import akka.actor.ActorRef
 import org.ergoplatform.mining.DefaultFakePowScheme
 import org.ergoplatform.modifiers.ErgoFullBlock
-import org.ergoplatform.nodeView.LocallyGeneratedModifier
+import org.ergoplatform.nodeView.LocallyGeneratedBlockSection
 import org.ergoplatform.nodeView.state.wrapped.WrappedUtxoState
 import org.ergoplatform.nodeView.state.{DigestState, StateType}
 import org.ergoplatform.settings.{ErgoSettings, ErgoSettingsReader, VotingSettings}
@@ -59,7 +59,7 @@ class PrunedNodeViewHolderSpec extends ErgoCorePropertyTest with NodeViewTestOps
 
     fullChain.takeRight(totalBlocks - toSkip).foreach { block =>
       block.blockSections.foreach { section =>
-        nodeViewHolderRef ! LocallyGeneratedModifier(section)
+        nodeViewHolderRef ! LocallyGeneratedBlockSection(section)
         Thread.sleep(50)
       }
     }