ProgressInfo.empty, removing implicit ScorexEncoder

ergo-core/src/main/scala/org/ergoplatform/consensus/ProgressInfo.scala

@@ -16,16 +16,19 @@ import scorex.util.ModifierId
 case class ProgressInfo[PM <: BlockSection](branchPoint: Option[ModifierId],
                                             toRemove: Seq[PM],
                                             toApply: Seq[PM],
-                                            toDownload: Seq[(NetworkObjectTypeId.Value, ModifierId)])
-                                           (implicit encoder: ScorexEncoder) {
+                                            toDownload: Seq[(NetworkObjectTypeId.Value, ModifierId)]) {
 
   if (toRemove.nonEmpty)
     require(branchPoint.isDefined, s"Branch point should be defined for non-empty `toRemove`")
 
   lazy val chainSwitchingNeeded: Boolean = toRemove.nonEmpty
 
   override def toString: String = {
-    s"ProgressInfo(BranchPoint: ${branchPoint.map(encoder.encodeId)}, " +
+    s"ProgressInfo(BranchPoint: ${branchPoint.map(ScorexEncoder.encodeId)}, " +
       s" to remove: ${toRemove.map(_.encodedId)}, to apply: ${toApply.map(_.encodedId)})"
   }
 }
+
+object ProgressInfo {
+  val empty = ProgressInfo[BlockSection](None, Seq.empty, Seq.empty, Seq.empty)
+}

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

@@ -13,18 +13,18 @@ package object core {
 
   type VersionTag = VersionTag.Type
 
-  def idsToString(ids: Seq[(NetworkObjectTypeId.Value, util.ModifierId)])(implicit enc: ScorexEncoder): String = {
+  def idsToString(ids: Seq[(NetworkObjectTypeId.Value, util.ModifierId)]): String = {
     List(ids.headOption, ids.lastOption)
       .flatten
-      .map { case (typeId, id) => s"($typeId,${enc.encodeId(id)})" }
+      .map { case (typeId, id) => s"($typeId,${ScorexEncoder.encodeId(id)})" }
       .mkString("[", "..", "]")
   }
 
-  def idsToString(modifierType: NetworkObjectTypeId.Value, ids: Seq[util.ModifierId])(implicit encoder: ScorexEncoder): String = {
+  def idsToString(modifierType: NetworkObjectTypeId.Value, ids: Seq[util.ModifierId]): String = {
     idsToString(ids.map(id => (modifierType, id)))
   }
 
-  def idsToString(invData: InvData)(implicit encoder: ScorexEncoder): String = idsToString(invData.typeId, invData.ids)
+  def idsToString(invData: InvData): String = idsToString(invData.typeId, invData.ids)
 
   def bytesToId: Array[Byte] => util.ModifierId = scorex.util.bytesToId
 

ergo-core/src/main/scala/org/ergoplatform/settings/Algos.scala

@@ -1,24 +1,24 @@
 package org.ergoplatform.settings
 
 import org.ergoplatform.utils
-import org.ergoplatform.utils.ScorexEncoder
 import scorex.crypto.authds.LeafData
 import scorex.crypto.authds.merkle.MerkleTree
 import scorex.crypto.hash.Digest32
-import scorex.util._
+import scorex.util.encode.BytesEncoder
 
 
 object Algos extends ErgoAlgos with utils.ScorexEncoding {
 
-  // ErgoAlgos in sigmastate extends scorex.util.ScorexEncoding where encoder is BytesEncoder
-  // but here we use scorex.core.utils.ScorexEncoding where encoder is ScorexEncoder
-  // After ScorexEncoder is moved (there is even a todo for that) from scorex.core to scorex.util
-  //  we can fix this ugliness.
-  override implicit val encoder: ScorexEncoder = utils.ScorexEncoder.default
+  override implicit val encoder: BytesEncoder = utils.ScorexEncoder
 
   lazy val emptyMerkleTreeRoot: Digest32 = Algos.hash(LeafData @@ Array[Byte]())
 
-  @inline def encode(id: ModifierId): String = encoder.encode(id)
+  /**
+    * This method might be useful and reimplemented, if encoding of ModifierId and VersionTag
+    * is different form default bytes encoding, e.g. this method should be reimplemented together
+    * with encode() and decode methods
+    */
+  @inline def encode(id: String): String = id
 
   /**
     * A method to build a Merkle tree over binary objects (leafs of the tree)

ergo-core/src/main/scala/org/ergoplatform/utils/ScorexEncoder.scala

@@ -6,7 +6,7 @@ import scorex.util.encode.{Base16, BytesEncoder}
 
 import scala.util.Try
 
-class ScorexEncoder extends BytesEncoder {
+object ScorexEncoder extends BytesEncoder {
   @inline
   override val Alphabet: String = Base16.Alphabet
 
@@ -16,14 +16,6 @@ class ScorexEncoder extends BytesEncoder {
   @inline
   override def decode(input: String): Try[Array[Byte]] = Base16.decode(input)
 
-  /**
-    * This method might be useful and reimplemented, if encoding of ModifierId and VersionTag
-    * is different form default bytes encoding, e.g. this method should be reimplemented together
-    * with encode() and decode methods
-    */
-  @inline
-  def encode(input: String): String = input
-
   /**
     * This method might be useful and reimplemented, if encoding of ModifierId and VersionTag
     * is different form default bytes encoding, e.g. this method should be reimplemented together
@@ -41,7 +33,3 @@ class ScorexEncoder extends BytesEncoder {
   def encodeId(input: ModifierId): String = input
 
 }
-
-object ScorexEncoder {
-  val default: ScorexEncoder = new ScorexEncoder()
-}

ergo-core/src/main/scala/org/ergoplatform/utils/ScorexEncoding.scala

@@ -1,9 +1,11 @@
 package org.ergoplatform.utils
 
+import scorex.util.encode.BytesEncoder
+
 /**
   * Trait with bytes to string encoder
   * TODO extract to ScorexUtils project
   */
 trait ScorexEncoding {
-  implicit val encoder: ScorexEncoder = ScorexEncoder.default
+  val encoder: BytesEncoder = ScorexEncoder
 }

ergo-core/src/main/scala/org/ergoplatform/validation/ModifierValidator.scala

@@ -25,8 +25,8 @@ import scala.util.{Failure, Success, Try}
   */
 object ModifierValidator {
 
-  def apply(settings: ValidationSettings)(implicit e: ScorexEncoder): ValidationState[Unit] = {
-    ValidationState(ModifierValidator.success, settings)(e)
+  def apply(settings: ValidationSettings): ValidationState[Unit] = {
+    ValidationState(ModifierValidator.success, settings)
   }
 
   /** report recoverable modifier error that could be fixed by later retries */
@@ -65,7 +65,7 @@ object ModifierValidator {
 }
 
 /** This is the place where all the validation DSL lives */
-case class ValidationState[T](result: ValidationResult[T], settings: ValidationSettings)(implicit e: ScorexEncoder) {
+case class ValidationState[T](result: ValidationResult[T], settings: ValidationSettings) {
 
   /** Create the next validation state as the result of given `operation` */
   def pass[R](operation: => ValidationResult[R]): ValidationState[R] = {
@@ -115,6 +115,7 @@ case class ValidationState[T](result: ValidationResult[T], settings: ValidationS
   /** Validate the `id`s are equal. The `error` callback will be provided with detail on argument values
     */
   def validateEqualIds(id: Short, `given`: => ModifierId, expected: => ModifierId, modifierTypeId: NetworkObjectTypeId.Value): ValidationState[T] = {
+    val e = ScorexEncoder
     pass {
       if (!settings.isActive(id) || given == expected) result
       else settings.getError(id, InvalidModifier(s"Given: ${e.encodeId(given)}, expected ${e.encodeId(expected)}", given, modifierTypeId))

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

@@ -9,7 +9,7 @@ import org.ergoplatform.http.api.ApiError.BadRequest
 import org.ergoplatform.settings.{ErgoSettings, RESTApiSettings}
 import org.ergoplatform.{ErgoAddressEncoder, P2PKAddress}
 import scorex.core.api.http.{ApiResponse, ApiRoute}
-import org.ergoplatform.utils.ScorexEncoding
+import org.ergoplatform.utils.ScorexEncoder
 import scorex.crypto.hash.Blake2b256
 import scorex.util.encode.Base16
 import sigmastate.crypto.DLogProtocol.ProveDlog
@@ -18,10 +18,7 @@ import java.security.SecureRandom
 import scala.util.Failure
 import sigmastate.serialization.{ErgoTreeSerializer, GroupElementSerializer, SigmaSerializer}
 
-class ErgoUtilsApiRoute(val ergoSettings: ErgoSettings)(
-  implicit val context: ActorRefFactory
-) extends ApiRoute
-  with ScorexEncoding {
+class ErgoUtilsApiRoute(val ergoSettings: ErgoSettings)(implicit val context: ActorRefFactory) extends ApiRoute {
 
   private val SeedSize = 32
   private val treeSerializer: ErgoTreeSerializer = new ErgoTreeSerializer
@@ -46,7 +43,7 @@ class ErgoUtilsApiRoute(val ergoSettings: ErgoSettings)(
   private def seed(length: Int): String = {
     val seed = new Array[Byte](length)
     new SecureRandom().nextBytes(seed) //seed mutated here!
-    encoder.encode(seed)
+    ScorexEncoder.encode(seed)
   }
 
   def seedRoute: Route = (get & path("seed")) {
@@ -60,7 +57,7 @@ class ErgoUtilsApiRoute(val ergoSettings: ErgoSettings)(
   def hashBlake2b: Route = {
     (post & path("hash" / "blake2b") & entity(as[Json])) { json =>
       json.as[String] match {
-        case Right(message) => ApiResponse(encoder.encode(Blake2b256(message)))
+        case Right(message) => ApiResponse(ScorexEncoder.encode(Blake2b256(message)))
         case Left(ex)       => ApiError(StatusCodes.BadRequest, ex.getMessage())
       }
     }

src/main/scala/org/ergoplatform/network/ErgoNodeViewSynchronizer.scala

@@ -22,7 +22,7 @@ import org.ergoplatform.network.message.{InvSpec, MessageSpec, ModifiersSpec, Re
 import scorex.core.network._
 import scorex.core.network.{ConnectedPeer, ModifiersStatus, SendToPeer, SendToPeers}
 import org.ergoplatform.network.message.{InvData, Message, ModifiersData}
-import org.ergoplatform.utils.ScorexEncoding
+import org.ergoplatform.utils.ScorexEncoder
 import org.ergoplatform.validation.MalformedModifierError
 import scorex.util.{ModifierId, ScorexLogging}
 import scorex.core.network.DeliveryTracker
@@ -53,7 +53,7 @@ class ErgoNodeViewSynchronizer(networkControllerRef: ActorRef,
                                settings: ErgoSettings,
                                syncTracker: ErgoSyncTracker,
                                deliveryTracker: DeliveryTracker)(implicit ex: ExecutionContext)
-  extends Actor with Synchronizer with ScorexLogging with ScorexEncoding {
+  extends Actor with Synchronizer with ScorexLogging {
 
   import org.ergoplatform.network.ErgoNodeViewSynchronizer._
 
@@ -777,7 +777,7 @@ class ErgoNodeViewSynchronizer(networkControllerRef: ActorRef,
         case _ =>
           // Penalize peer and do nothing - it will be switched to correct state on CheckDelivery
           penalizeMisbehavingPeer(remote)
-          log.warn(s"Failed to parse transaction with declared id ${encoder.encodeId(id)} from ${remote.toString}")
+          log.warn(s"Failed to parse transaction with declared id ${ScorexEncoder.encodeId(id)} from ${remote.toString}")
       }
     }
   }
@@ -801,7 +801,7 @@ class ErgoNodeViewSynchronizer(networkControllerRef: ActorRef,
           // Forget about block section, so it will be redownloaded if announced again only
           deliveryTracker.setUnknown(id, modifierTypeId)
           penalizeMisbehavingPeer(remote)
-          log.warn(s"Failed to parse modifier with declared id ${encoder.encodeId(id)} from ${remote.toString}")
+          log.warn(s"Failed to parse modifier with declared id ${ScorexEncoder.encodeId(id)} from ${remote.toString}")
           None
       }
     }
@@ -1230,7 +1230,7 @@ class ErgoNodeViewSynchronizer(networkControllerRef: ActorRef,
         } else {
           // A block section is not delivered on time.
           log.info(s"Peer ${peer.toString} has not delivered network object " +
-                   s"$modifierTypeId : ${encoder.encodeId(modifierId)} on time")
+                   s"$modifierTypeId : ${ScorexEncoder.encodeId(modifierId)} on time")
 
           // Number of delivery checks for a block section, utxo set snapshot chunk or manifest
           // increased or initialized, except the case where we can have issues with connectivity,

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

@@ -19,7 +19,6 @@ import org.ergoplatform.network.ErgoNodeViewSynchronizerMessages._
 import org.ergoplatform.nodeView.ErgoNodeViewHolder.{BlockAppliedTransactions, CurrentView, DownloadRequest}
 import org.ergoplatform.nodeView.ErgoNodeViewHolder.ReceivableMessages._
 import org.ergoplatform.modifiers.history.{ADProofs, HistoryModifierSerializer}
-import org.ergoplatform.utils.ScorexEncoding
 import org.ergoplatform.validation.RecoverableModifierError
 import scorex.util.{ModifierId, ScorexLogging}
 import spire.syntax.all.cfor
@@ -40,7 +39,7 @@ import scala.util.{Failure, Success, Try}
   *
   */
 abstract class ErgoNodeViewHolder[State <: ErgoState[State]](settings: ErgoSettings)
-  extends Actor with ScorexLogging with ScorexEncoding with FileUtils {
+  extends Actor with ScorexLogging with FileUtils {
 
   private implicit lazy val actorSystem: ActorSystem = context.system
 
@@ -573,7 +572,7 @@ abstract class ErgoNodeViewHolder[State <: ErgoState[State]](settings: ErgoSetti
         log.info("State and history are both empty on startup")
         Success(stateIn)
       case (stateId, Some(block), _) if stateId == block.id =>
-        log.info(s"State and history have the same version ${encoder.encode(stateId)}, no recovery needed.")
+        log.info(s"State and history have the same version ${Algos.encode(stateId)}, no recovery needed.")
         Success(stateIn)
       case (_, None, _) =>
         log.info("State and history are inconsistent. History is empty on startup, rollback state to genesis.")

src/main/scala/org/ergoplatform/nodeView/history/ErgoHistory.scala

@@ -134,7 +134,7 @@ trait ErgoHistory
           case (false, false) =>
             // Modifiers from best header and best full chain are not involved, no rollback and links change required
             historyStorage.insert(validityRow, BlockSection.emptyArray).map { _ =>
-              this -> ProgressInfo[BlockSection](None, Seq.empty, Seq.empty, Seq.empty)
+              this -> ProgressInfo.empty
             }
           case _ =>
             // Modifiers from best header and best full chain are involved, links change required
@@ -146,7 +146,7 @@ trait ErgoHistory
                 newBestHeaderOpt.map(h => BestHeaderKey -> idToBytes(h.id)).toArray,
                 BlockSection.emptyArray
               ).map { _ =>
-                this -> ProgressInfo[BlockSection](None, Seq.empty, Seq.empty, Seq.empty)
+                this -> ProgressInfo.empty
               }
             } else {
               val invalidatedChain: Seq[ErgoFullBlock] = bestFullBlockOpt.toSeq
@@ -182,7 +182,7 @@ trait ErgoHistory
         //No headers become invalid. Just mark this modifier as invalid
         log.warn(s"Modifier ${modifier.encodedId} of type ${modifier.modifierTypeId} is missing corresponding header")
         historyStorage.insert(Array(validityKey(modifier.id) -> Array(0.toByte)), BlockSection.emptyArray).map { _ =>
-          this -> ProgressInfo[BlockSection](None, Seq.empty, Seq.empty, Seq.empty)
+          this -> ProgressInfo.empty
         }
     }
   }

src/main/scala/org/ergoplatform/nodeView/history/ErgoHistoryReader.scala

@@ -11,7 +11,6 @@ import org.ergoplatform.nodeView.history.extra.ExtraIndex
 import org.ergoplatform.nodeView.history.storage._
 import org.ergoplatform.nodeView.history.storage.modifierprocessors.{BlockSectionProcessor, HeadersProcessor}
 import org.ergoplatform.settings.{ErgoSettings, NipopowSettings}
-import org.ergoplatform.utils.ScorexEncoding
 import org.ergoplatform.validation.MalformedModifierError
 import scorex.util.{ModifierId, ScorexLogging}
 
@@ -27,8 +26,7 @@ trait ErgoHistoryReader
     with ContainsModifiers[BlockSection]
     with HeadersProcessor
     with BlockSectionProcessor
-    with ScorexLogging
-    with ScorexEncoding {
+    with ScorexLogging {
 
   type ModifierIds = Seq[(NetworkObjectTypeId.Value, ModifierId)]
 

src/main/scala/org/ergoplatform/nodeView/history/storage/HistoryStorage.scala

@@ -6,7 +6,6 @@ import org.ergoplatform.modifiers.history.HistoryModifierSerializer
 import org.ergoplatform.modifiers.history.header.Header
 import org.ergoplatform.nodeView.history.extra.{ExtraIndex, ExtraIndexSerializer, Segment}
 import org.ergoplatform.settings.{Algos, CacheSettings, ErgoSettings}
-import org.ergoplatform.utils.ScorexEncoding
 import scorex.db.{ByteArrayWrapper, LDBFactory, LDBKVStore}
 import scorex.util.{ModifierId, ScorexLogging, idToBytes}
 
@@ -28,8 +27,7 @@ import scala.jdk.CollectionConverters.asScalaIteratorConverter
   */
 class HistoryStorage(indexStore: LDBKVStore, objectsStore: LDBKVStore, extraStore: LDBKVStore, config: CacheSettings)
   extends ScorexLogging
-    with AutoCloseable
-    with ScorexEncoding {
+    with AutoCloseable {
 
   private lazy val headersCache =
     Caffeine.newBuilder()
@@ -84,7 +82,7 @@ class HistoryStorage(indexStore: LDBKVStore, objectsStore: LDBKVStore, extraStor
           cacheModifier(pm)
           Some(pm)
         case Failure(_) =>
-          log.warn(s"Failed to parse modifier ${encoder.encode(id)} from db (bytes are: ${Algos.encode(bytes)})")
+          log.warn(s"Failed to parse modifier ${Algos.encode(id)} from db (bytes are: ${Algos.encode(bytes)})")
           None
       }
     }
@@ -99,7 +97,7 @@ class HistoryStorage(indexStore: LDBKVStore, objectsStore: LDBKVStore, extraStor
           }
           Some(pm)
         case Failure(_) =>
-          log.warn(s"Failed to parse index ${encoder.encode(id)} from db (bytes are: ${Algos.encode(bytes)})")
+          log.warn(s"Failed to parse index ${Algos.encode(id)} from db (bytes are: ${Algos.encode(bytes)})")
           None
       }
     }

src/main/scala/org/ergoplatform/nodeView/history/storage/modifierprocessors/BlockSectionProcessor.scala

@@ -2,15 +2,14 @@ package org.ergoplatform.nodeView.history.storage.modifierprocessors
 
 import org.ergoplatform.consensus.ProgressInfo
 import org.ergoplatform.modifiers.{BlockSection, NonHeaderBlockSection}
-import org.ergoplatform.utils.ScorexEncoding
 
 import scala.util.Try
 
 /**
   * Trait that declares interfaces for validation and processing of various
   * block sections: BlockTransactions, ADProofs, etc.
   */
-trait BlockSectionProcessor extends ScorexEncoding {
+trait BlockSectionProcessor {
 
   /**
     * Whether state requires to download adProofs before full block application

src/main/scala/org/ergoplatform/nodeView/history/storage/modifierprocessors/EmptyBlockSectionProcessor.scala

@@ -12,7 +12,7 @@ import scala.util.{Failure, Success, Try}
 trait EmptyBlockSectionProcessor extends BlockSectionProcessor {
 
   override protected def process(m: NonHeaderBlockSection): Try[ProgressInfo[BlockSection]] =
-    Success(ProgressInfo[BlockSection](None, Seq.empty, Seq.empty, Seq.empty))
+    Success(ProgressInfo.empty)
 
   override protected def validate(m: NonHeaderBlockSection): Try[Unit] =
     Failure(new Error("Regime that does not support block sections processing"))

src/main/scala/org/ergoplatform/nodeView/history/storage/modifierprocessors/FullBlockProcessor.scala

@@ -136,7 +136,7 @@ trait FullBlockProcessor extends HeadersProcessor {
       //Orphaned block or full chain is not initialized yet
       logStatus(Seq(), Seq(), params.fullBlock, None)
       historyStorage.insert(Array.empty[(ByteArrayWrapper, Array[Byte])], Array(params.newModRow)).map { _ =>
-        ProgressInfo(None, Seq.empty, Seq.empty, Seq.empty)
+        ProgressInfo.empty
       }
   }
 

src/main/scala/org/ergoplatform/nodeView/history/storage/modifierprocessors/FullBlockSectionProcessor.scala

@@ -84,7 +84,7 @@ trait FullBlockSectionProcessor extends BlockSectionProcessor with FullBlockProc
 
   private def justPutToHistory(m: NonHeaderBlockSection): Try[ProgressInfo[BlockSection]] = {
     historyStorage.insert(Array.empty[(ByteArrayWrapper, Array[Byte])], Array[BlockSection](m)).map { _ =>
-      ProgressInfo(None, Seq.empty, Seq.empty, Seq.empty)
+      ProgressInfo.empty
     }
   }