Simplify ProtocolContext creation (#7792)

Signed-off-by: Fabio Di Fabio <fabio.difabio@consensys.net>

besu/src/main/java/org/hyperledger/besu/controller/BesuControllerBuilder.java

@@ -26,7 +26,6 @@ import org.hyperledger.besu.consensus.qbft.BFTPivotSelectorFromPeers;
 import org.hyperledger.besu.cryptoservices.NodeKey;
 import org.hyperledger.besu.datatypes.Hash;
 import org.hyperledger.besu.ethereum.ConsensusContext;
-import org.hyperledger.besu.ethereum.ConsensusContextFactory;
 import org.hyperledger.besu.ethereum.GasLimitCalculator;
 import org.hyperledger.besu.ethereum.ProtocolContext;
 import org.hyperledger.besu.ethereum.api.jsonrpc.methods.JsonRpcMethods;
@@ -605,9 +604,11 @@ public abstract class BesuControllerBuilder implements MiningParameterOverrides
       genesisState.writeStateTo(worldStateArchive.getMutable());
     }
 
+    final var consensusContext =
+        createConsensusContext(blockchain, worldStateArchive, protocolSchedule);
+
     final ProtocolContext protocolContext =
-        createProtocolContext(
-            blockchain, worldStateArchive, protocolSchedule, this::createConsensusContext);
+        createProtocolContext(blockchain, worldStateArchive, consensusContext);
     validateContext(protocolContext);
 
     protocolSchedule.setPublicWorldStateArchiveForPrivacyBlockProcessor(
@@ -976,7 +977,7 @@ public abstract class BesuControllerBuilder implements MiningParameterOverrides
   }
 
   /**
-   * Create mining coordinator mining coordinator.
+   * Create mining coordinator.
    *
    * @param protocolSchedule the protocol schedule
    * @param protocolContext the protocol context
@@ -1017,9 +1018,9 @@ public abstract class BesuControllerBuilder implements MiningParameterOverrides
    * @return the consensus context
    */
   protected abstract ConsensusContext createConsensusContext(
-      Blockchain blockchain,
-      WorldStateArchive worldStateArchive,
-      ProtocolSchedule protocolSchedule);
+      final Blockchain blockchain,
+      final WorldStateArchive worldStateArchive,
+      final ProtocolSchedule protocolSchedule);
 
   /**
    * Gets supported protocol.
@@ -1079,17 +1080,14 @@ public abstract class BesuControllerBuilder implements MiningParameterOverrides
    *
    * @param blockchain the blockchain
    * @param worldStateArchive the world state archive
-   * @param protocolSchedule the protocol schedule
-   * @param consensusContextFactory the consensus context factory
+   * @param consensusContext the consensus context
    * @return the protocol context
    */
   protected ProtocolContext createProtocolContext(
       final MutableBlockchain blockchain,
       final WorldStateArchive worldStateArchive,
-      final ProtocolSchedule protocolSchedule,
-      final ConsensusContextFactory consensusContextFactory) {
-    return ProtocolContext.init(
-        blockchain, worldStateArchive, protocolSchedule, consensusContextFactory, badBlockManager);
+      final ConsensusContext consensusContext) {
+    return new ProtocolContext(blockchain, worldStateArchive, consensusContext, badBlockManager);
   }
 
   private Optional<SnapProtocolManager> createSnapProtocolManager(

besu/src/main/java/org/hyperledger/besu/controller/ConsensusScheduleBesuControllerBuilder.java

@@ -20,13 +20,12 @@ import org.hyperledger.besu.config.GenesisConfigFile;
 import org.hyperledger.besu.consensus.common.CombinedProtocolScheduleFactory;
 import org.hyperledger.besu.consensus.common.ForkSpec;
 import org.hyperledger.besu.consensus.common.ForksSchedule;
-import org.hyperledger.besu.consensus.common.MigratingContext;
+import org.hyperledger.besu.consensus.common.MigratingConsensusContext;
 import org.hyperledger.besu.consensus.common.MigratingMiningCoordinator;
 import org.hyperledger.besu.consensus.common.MigratingProtocolContext;
 import org.hyperledger.besu.cryptoservices.NodeKey;
 import org.hyperledger.besu.datatypes.Hash;
 import org.hyperledger.besu.ethereum.ConsensusContext;
-import org.hyperledger.besu.ethereum.ConsensusContextFactory;
 import org.hyperledger.besu.ethereum.GasLimitCalculator;
 import org.hyperledger.besu.ethereum.ProtocolContext;
 import org.hyperledger.besu.ethereum.api.jsonrpc.methods.JsonRpcMethods;
@@ -168,10 +167,12 @@ public class ConsensusScheduleBesuControllerBuilder extends BesuControllerBuilde
   protected ProtocolContext createProtocolContext(
       final MutableBlockchain blockchain,
       final WorldStateArchive worldStateArchive,
-      final ProtocolSchedule protocolSchedule,
-      final ConsensusContextFactory consensusContextFactory) {
-    return MigratingProtocolContext.init(
-        blockchain, worldStateArchive, protocolSchedule, consensusContextFactory, badBlockManager);
+      final ConsensusContext consensusContext) {
+    return new MigratingProtocolContext(
+        blockchain,
+        worldStateArchive,
+        consensusContext.as(MigratingConsensusContext.class),
+        badBlockManager);
   }
 
   @Override
@@ -188,10 +189,10 @@ public class ConsensusScheduleBesuControllerBuilder extends BesuControllerBuilde
                         e.getValue()
                             .createConsensusContext(
                                 blockchain, worldStateArchive, protocolSchedule)))
-            .collect(Collectors.toList());
+            .toList();
     final ForksSchedule<ConsensusContext> consensusContextsSchedule =
         new ForksSchedule<>(consensusContextSpecs);
-    return new MigratingContext(consensusContextsSchedule);
+    return new MigratingConsensusContext(consensusContextsSchedule);
   }
 
   @Override

besu/src/main/java/org/hyperledger/besu/controller/QbftBesuControllerBuilder.java

@@ -112,10 +112,7 @@ public class QbftBesuControllerBuilder extends BftBesuControllerBuilder {
 
   @Override
   protected Supplier<BftExtraDataCodec> bftExtraDataCodec() {
-    return Suppliers.memoize(
-        () -> {
-          return new QbftExtraDataCodec();
-        });
+    return Suppliers.memoize(QbftExtraDataCodec::new);
   }
 
   @Override

besu/src/main/java/org/hyperledger/besu/controller/TransitionBesuControllerBuilder.java

@@ -24,7 +24,6 @@ import org.hyperledger.besu.consensus.merge.blockcreation.TransitionCoordinator;
 import org.hyperledger.besu.cryptoservices.NodeKey;
 import org.hyperledger.besu.datatypes.Hash;
 import org.hyperledger.besu.ethereum.ConsensusContext;
-import org.hyperledger.besu.ethereum.ConsensusContextFactory;
 import org.hyperledger.besu.ethereum.GasLimitCalculator;
 import org.hyperledger.besu.ethereum.ProtocolContext;
 import org.hyperledger.besu.ethereum.blockcreation.MiningCoordinator;
@@ -193,11 +192,9 @@ public class TransitionBesuControllerBuilder extends BesuControllerBuilder {
   protected ProtocolContext createProtocolContext(
       final MutableBlockchain blockchain,
       final WorldStateArchive worldStateArchive,
-      final ProtocolSchedule protocolSchedule,
-      final ConsensusContextFactory consensusContextFactory) {
+      final ConsensusContext consensusContext) {
     final ProtocolContext protocolContext =
-        super.createProtocolContext(
-            blockchain, worldStateArchive, protocolSchedule, consensusContextFactory);
+        super.createProtocolContext(blockchain, worldStateArchive, consensusContext);
     transitionProtocolSchedule.setProtocolContext(protocolContext);
     return protocolContext;
   }

besu/src/test/java/org/hyperledger/besu/controller/ConsensusScheduleBesuControllerBuilderTest.java

@@ -24,7 +24,7 @@ import org.hyperledger.besu.config.GenesisConfigFile;
 import org.hyperledger.besu.config.StubGenesisConfigOptions;
 import org.hyperledger.besu.consensus.common.ForkSpec;
 import org.hyperledger.besu.consensus.common.ForksSchedule;
-import org.hyperledger.besu.consensus.common.MigratingContext;
+import org.hyperledger.besu.consensus.common.MigratingConsensusContext;
 import org.hyperledger.besu.consensus.common.MigratingMiningCoordinator;
 import org.hyperledger.besu.consensus.common.bft.blockcreation.BftMiningCoordinator;
 import org.hyperledger.besu.ethereum.ConsensusContext;
@@ -166,8 +166,8 @@ public class ConsensusScheduleBesuControllerBuilderTest {
 
   @Test
   public void createsMigratingContext() {
-    final ConsensusContext context1 = Mockito.mock(ConsensusContext.class);
-    final ConsensusContext context2 = Mockito.mock(ConsensusContext.class);
+    final ConsensusContext context1 = mock(ConsensusContext.class);
+    final ConsensusContext context2 = mock(ConsensusContext.class);
 
     final Map<Long, BesuControllerBuilder> besuControllerBuilderSchedule = new TreeMap<>();
     besuControllerBuilderSchedule.put(0L, besuControllerBuilder1);
@@ -180,15 +180,14 @@ public class ConsensusScheduleBesuControllerBuilderTest {
         new ConsensusScheduleBesuControllerBuilder(besuControllerBuilderSchedule);
     final ConsensusContext consensusContext =
         controllerBuilder.createConsensusContext(
-            Mockito.mock(Blockchain.class),
-            Mockito.mock(WorldStateArchive.class),
-            Mockito.mock(ProtocolSchedule.class));
+            mock(Blockchain.class), mock(WorldStateArchive.class), mock(ProtocolSchedule.class));
 
-    assertThat(consensusContext).isInstanceOf(MigratingContext.class);
-    final MigratingContext migratingContext = (MigratingContext) consensusContext;
+    assertThat(consensusContext).isInstanceOf(MigratingConsensusContext.class);
+    final MigratingConsensusContext migratingConsensusContext =
+        (MigratingConsensusContext) consensusContext;
 
     final ForksSchedule<ConsensusContext> contextSchedule =
-        migratingContext.getConsensusContextSchedule();
+        migratingConsensusContext.getConsensusContextSchedule();
 
     final NavigableSet<ForkSpec<ConsensusContext>> expectedConsensusContextSpecs =
         new TreeSet<>(ForkSpec.COMPARATOR);

consensus/clique/src/test/java/org/hyperledger/besu/consensus/clique/blockcreation/CliqueBlockCreatorTest.java

@@ -52,6 +52,7 @@ import org.hyperledger.besu.ethereum.core.BlockHeaderTestFixture;
 import org.hyperledger.besu.ethereum.core.ImmutableMiningConfiguration;
 import org.hyperledger.besu.ethereum.core.ImmutableMiningConfiguration.MutableInitValues;
 import org.hyperledger.besu.ethereum.core.MiningConfiguration;
+import org.hyperledger.besu.ethereum.core.PrivacyParameters;
 import org.hyperledger.besu.ethereum.core.Util;
 import org.hyperledger.besu.ethereum.eth.manager.EthContext;
 import org.hyperledger.besu.ethereum.eth.manager.EthScheduler;
@@ -99,18 +100,6 @@ public class CliqueBlockCreatorTest {
 
   @BeforeEach
   void setup() {
-    protocolSchedule =
-        CliqueProtocolSchedule.create(
-            GenesisConfigFile.DEFAULT.getConfigOptions(),
-            new ForksSchedule<>(List.of()),
-            proposerNodeKey,
-            false,
-            EvmConfiguration.DEFAULT,
-            MiningConfiguration.MINING_DISABLED,
-            new BadBlockManager(),
-            false,
-            new NoOpMetricsSystem());
-
     final Address otherAddress = Util.publicKeyToAddress(otherKeyPair.getPublicKey());
     validatorList.add(otherAddress);
 
@@ -118,6 +107,20 @@ public class CliqueBlockCreatorTest {
     voteProvider = mock(VoteProvider.class);
     when(validatorProvider.getVoteProviderAtHead()).thenReturn(Optional.of(voteProvider));
     when(validatorProvider.getValidatorsAfterBlock(any())).thenReturn(validatorList);
+
+    protocolSchedule =
+        CliqueProtocolSchedule.create(
+            GenesisConfigFile.DEFAULT.getConfigOptions(),
+            new ForksSchedule<>(List.of()),
+            proposerNodeKey,
+            PrivacyParameters.DEFAULT,
+            false,
+            EvmConfiguration.DEFAULT,
+            MiningConfiguration.MINING_DISABLED,
+            new BadBlockManager(),
+            false,
+            new NoOpMetricsSystem());
+
     final CliqueContext cliqueContext = new CliqueContext(validatorProvider, null, blockInterface);
 
     final Block genesis =

consensus/clique/src/test/java/org/hyperledger/besu/consensus/clique/blockcreation/CliqueMinerExecutorTest.java

@@ -42,6 +42,7 @@ import org.hyperledger.besu.ethereum.core.BlockHeaderTestFixture;
 import org.hyperledger.besu.ethereum.core.ImmutableMiningConfiguration;
 import org.hyperledger.besu.ethereum.core.ImmutableMiningConfiguration.MutableInitValues;
 import org.hyperledger.besu.ethereum.core.MiningConfiguration;
+import org.hyperledger.besu.ethereum.core.PrivacyParameters;
 import org.hyperledger.besu.ethereum.core.Util;
 import org.hyperledger.besu.ethereum.eth.manager.EthContext;
 import org.hyperledger.besu.ethereum.eth.manager.EthScheduler;
@@ -103,6 +104,7 @@ public class CliqueMinerExecutorTest {
             GENESIS_CONFIG_OPTIONS,
             new ForksSchedule<>(List.of()),
             proposerNodeKey,
+            PrivacyParameters.DEFAULT,
             false,
             EvmConfiguration.DEFAULT,
             MiningConfiguration.MINING_DISABLED,

consensus/common/src/main/java/org/hyperledger/besu/consensus/common/MigratingConsensusContext.java

@@ -17,7 +17,7 @@ package org.hyperledger.besu.consensus.common;
 import org.hyperledger.besu.ethereum.ConsensusContext;
 
 /** The Migrating context. */
-public class MigratingContext implements ConsensusContext {
+public class MigratingConsensusContext implements ConsensusContext {
 
   private final ForksSchedule<ConsensusContext> consensusContextSchedule;
 
@@ -26,7 +26,7 @@ public class MigratingContext implements ConsensusContext {
    *
    * @param consensusContextSchedule the consensus context schedule
    */
-  public MigratingContext(final ForksSchedule<ConsensusContext> consensusContextSchedule) {
+  public MigratingConsensusContext(final ForksSchedule<ConsensusContext> consensusContextSchedule) {
     this.consensusContextSchedule = consensusContextSchedule;
   }
 

consensus/common/src/main/java/org/hyperledger/besu/consensus/common/MigratingProtocolContext.java

@@ -15,11 +15,9 @@
 package org.hyperledger.besu.consensus.common;
 
 import org.hyperledger.besu.ethereum.ConsensusContext;
-import org.hyperledger.besu.ethereum.ConsensusContextFactory;
 import org.hyperledger.besu.ethereum.ProtocolContext;
 import org.hyperledger.besu.ethereum.chain.BadBlockManager;
 import org.hyperledger.besu.ethereum.chain.MutableBlockchain;
-import org.hyperledger.besu.ethereum.mainnet.ProtocolSchedule;
 import org.hyperledger.besu.ethereum.worldstate.WorldStateArchive;
 
 /** The Migrating protocol context. */
@@ -32,42 +30,16 @@ public class MigratingProtocolContext extends ProtocolContext {
    *
    * @param blockchain the blockchain
    * @param worldStateArchive the world state archive
-   * @param consensusContextSchedule the consensus context schedule
+   * @param migratingConsensusContext the consensus context
    * @param badBlockManager the cache to use to keep invalid blocks
    */
   public MigratingProtocolContext(
       final MutableBlockchain blockchain,
       final WorldStateArchive worldStateArchive,
-      final ForksSchedule<ConsensusContext> consensusContextSchedule,
+      final MigratingConsensusContext migratingConsensusContext,
       final BadBlockManager badBlockManager) {
-    super(blockchain, worldStateArchive, null, badBlockManager);
-    this.consensusContextSchedule = consensusContextSchedule;
-  }
-
-  /**
-   * Init protocol context.
-   *
-   * @param blockchain the blockchain
-   * @param worldStateArchive the world state archive
-   * @param protocolSchedule the protocol schedule
-   * @param consensusContextFactory the consensus context factory
-   * @param badBlockManager the cache to use to keep invalid blocks
-   * @return the protocol context
-   */
-  public static ProtocolContext init(
-      final MutableBlockchain blockchain,
-      final WorldStateArchive worldStateArchive,
-      final ProtocolSchedule protocolSchedule,
-      final ConsensusContextFactory consensusContextFactory,
-      final BadBlockManager badBlockManager) {
-    final ConsensusContext consensusContext =
-        consensusContextFactory.create(blockchain, worldStateArchive, protocolSchedule);
-    final MigratingContext migratingContext = consensusContext.as(MigratingContext.class);
-    return new MigratingProtocolContext(
-        blockchain,
-        worldStateArchive,
-        migratingContext.getConsensusContextSchedule(),
-        badBlockManager);
+    super(blockchain, worldStateArchive, migratingConsensusContext, badBlockManager);
+    this.consensusContextSchedule = migratingConsensusContext.getConsensusContextSchedule();
   }
 
   @Override

consensus/common/src/test/java/org/hyperledger/besu/consensus/common/MigratingProtocolContextTest.java

@@ -43,9 +43,13 @@ public class MigratingProtocolContextTest {
 
     final ForksSchedule<ConsensusContext> contextSchedule =
         new ForksSchedule<>(List.of(new ForkSpec<>(0L, context1), new ForkSpec<>(10L, context2)));
+
     final MigratingProtocolContext migratingProtocolContext =
         new MigratingProtocolContext(
-            blockchain, worldStateArchive, contextSchedule, new BadBlockManager());
+            blockchain,
+            worldStateArchive,
+            new MigratingConsensusContext(contextSchedule),
+            new BadBlockManager());
 
     assertThat(migratingProtocolContext.getConsensusContext(ConsensusContext.class))
         .isSameAs(context1);

ethereum/api/src/integration-test/java/org/hyperledger/besu/ethereum/api/jsonrpc/JsonRpcTestMethodsFactory.java

@@ -19,6 +19,7 @@ import static org.hyperledger.besu.ethereum.core.InMemoryKeyValueStorageProvider
 import static org.mockito.Mockito.mock;
 
 import org.hyperledger.besu.config.StubGenesisConfigOptions;
+import org.hyperledger.besu.ethereum.ConsensusContext;
 import org.hyperledger.besu.ethereum.ProtocolContext;
 import org.hyperledger.besu.ethereum.api.ImmutableApiConfiguration;
 import org.hyperledger.besu.ethereum.api.graphql.GraphQLConfiguration;
@@ -82,7 +83,9 @@ public class JsonRpcTestMethodsFactory {
     this.blockchain = createInMemoryBlockchain(importer.getGenesisBlock());
     this.stateArchive = createInMemoryWorldStateArchive();
     this.importer.getGenesisState().writeStateTo(stateArchive.getMutable());
-    this.context = new ProtocolContext(blockchain, stateArchive, null, new BadBlockManager());
+    this.context =
+        new ProtocolContext(
+            blockchain, stateArchive, mock(ConsensusContext.class), new BadBlockManager());
 
     this.protocolSchedule = importer.getProtocolSchedule();
     this.synchronizer = mock(Synchronizer.class);

ethereum/api/src/integration-test/java/org/hyperledger/besu/ethereum/api/jsonrpc/methods/EthGetBlockByNumberLatestDesyncIntegrationTest.java

@@ -20,6 +20,7 @@ import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
 
 import org.hyperledger.besu.datatypes.Hash;
+import org.hyperledger.besu.ethereum.ConsensusContext;
 import org.hyperledger.besu.ethereum.ProtocolContext;
 import org.hyperledger.besu.ethereum.api.jsonrpc.BlockchainImporter;
 import org.hyperledger.besu.ethereum.api.jsonrpc.JsonRpcTestMethodsFactory;
@@ -67,7 +68,8 @@ public class EthGetBlockByNumberLatestDesyncIntegrationTest {
         InMemoryKeyValueStorageProvider.createInMemoryBlockchain(importer.getGenesisBlock());
     WorldStateArchive state = InMemoryKeyValueStorageProvider.createInMemoryWorldStateArchive();
     importer.getGenesisState().writeStateTo(state.getMutable());
-    ProtocolContext context = new ProtocolContext(chain, state, null, new BadBlockManager());
+    ProtocolContext context =
+        new ProtocolContext(chain, state, mock(ConsensusContext.class), new BadBlockManager());
 
     for (final Block block : importer.getBlocks()) {
       final ProtocolSchedule protocolSchedule = importer.getProtocolSchedule();

ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/graphql/AbstractEthGraphQLHttpServiceTest.java

@@ -19,6 +19,7 @@ import static org.mockito.Mockito.when;
 
 import org.hyperledger.besu.datatypes.TransactionType;
 import org.hyperledger.besu.datatypes.Wei;
+import org.hyperledger.besu.ethereum.ConsensusContext;
 import org.hyperledger.besu.ethereum.ProtocolContext;
 import org.hyperledger.besu.ethereum.api.ImmutableApiConfiguration;
 import org.hyperledger.besu.ethereum.api.query.BlockchainQueries;
@@ -110,7 +111,10 @@ public abstract class AbstractEthGraphQLHttpServiceTest {
     final MutableBlockchain blockchain = blockchainSetupUtil.getBlockchain();
     ProtocolContext context =
         new ProtocolContext(
-            blockchain, blockchainSetupUtil.getWorldArchive(), null, new BadBlockManager());
+            blockchain,
+            blockchainSetupUtil.getWorldArchive(),
+            mock(ConsensusContext.class),
+            new BadBlockManager());
     final BlockchainQueries blockchainQueries =
         new BlockchainQueries(
             blockchainSetupUtil.getProtocolSchedule(),

ethereum/blockcreation/src/test/java/org/hyperledger/besu/ethereum/blockcreation/BlockMinerTest.java

@@ -22,6 +22,7 @@ import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import org.hyperledger.besu.ethereum.ConsensusContext;
 import org.hyperledger.besu.ethereum.ProtocolContext;
 import org.hyperledger.besu.ethereum.blockcreation.BlockCreator.BlockCreationResult;
 import org.hyperledger.besu.ethereum.blockcreation.txselection.TransactionSelectionResults;
@@ -58,7 +59,7 @@ public class BlockMinerTest {
             headerBuilder.buildHeader(), new BlockBody(Lists.newArrayList(), Lists.newArrayList()));
 
     final ProtocolContext protocolContext =
-        new ProtocolContext(null, null, null, new BadBlockManager());
+        new ProtocolContext(null, null, mock(ConsensusContext.class), new BadBlockManager());
 
     final PoWBlockCreator blockCreator = mock(PoWBlockCreator.class);
     final Function<BlockHeader, PoWBlockCreator> blockCreatorSupplier =
@@ -102,7 +103,7 @@ public class BlockMinerTest {
             headerBuilder.buildHeader(), new BlockBody(Lists.newArrayList(), Lists.newArrayList()));
 
     final ProtocolContext protocolContext =
-        new ProtocolContext(null, null, null, new BadBlockManager());
+        new ProtocolContext(null, null, mock(ConsensusContext.class), new BadBlockManager());
 
     final PoWBlockCreator blockCreator = mock(PoWBlockCreator.class);
     final Function<BlockHeader, PoWBlockCreator> blockCreatorSupplier =
@@ -150,7 +151,7 @@ public class BlockMinerTest {
             headerBuilder.buildHeader(), new BlockBody(Lists.newArrayList(), Lists.newArrayList()));
 
     final ProtocolContext protocolContext =
-        new ProtocolContext(null, null, null, new BadBlockManager());
+        new ProtocolContext(null, null, mock(ConsensusContext.class), new BadBlockManager());
 
     final PoWBlockCreator blockCreator = mock(PoWBlockCreator.class);
     final Function<BlockHeader, PoWBlockCreator> blockCreatorSupplier =

ethereum/core/src/main/java/org/hyperledger/besu/ethereum/ConsensusContextFactory.java

@@ -1,38 +0,0 @@
-/*
- * Copyright ConsenSys AG.
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
- * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-package org.hyperledger.besu.ethereum;
-
-import org.hyperledger.besu.ethereum.chain.Blockchain;
-import org.hyperledger.besu.ethereum.mainnet.ProtocolSchedule;
-import org.hyperledger.besu.ethereum.worldstate.WorldStateArchive;
-
-/** The ConsensusContextFactory interface defines a method for creating a consensus context. */
-@FunctionalInterface
-public interface ConsensusContextFactory {
-
-  /**
-   * Creates a consensus context with the given blockchain, world state archive, and protocol
-   * schedule.
-   *
-   * @param blockchain the blockchain
-   * @param worldStateArchive the world state archive
-   * @param protocolSchedule the protocol schedule
-   * @return the created consensus context
-   */
-  ConsensusContext create(
-      Blockchain blockchain,
-      WorldStateArchive worldStateArchive,
-      ProtocolSchedule protocolSchedule);
-}

ethereum/core/src/main/java/org/hyperledger/besu/ethereum/ProtocolContext.java

@@ -16,7 +16,6 @@ package org.hyperledger.besu.ethereum;
 
 import org.hyperledger.besu.ethereum.chain.BadBlockManager;
 import org.hyperledger.besu.ethereum.chain.MutableBlockchain;
-import org.hyperledger.besu.ethereum.mainnet.ProtocolSchedule;
 import org.hyperledger.besu.ethereum.worldstate.WorldStateArchive;
 
 import java.util.Optional;
@@ -29,8 +28,8 @@ import java.util.Optional;
 public class ProtocolContext {
   private final MutableBlockchain blockchain;
   private final WorldStateArchive worldStateArchive;
-  private final BadBlockManager badBlockManager;
   private final ConsensusContext consensusContext;
+  private final BadBlockManager badBlockManager;
 
   /**
    * Constructs a new ProtocolContext with the given blockchain, world state archive, consensus
@@ -38,7 +37,7 @@ public class ProtocolContext {
    *
    * @param blockchain the blockchain of the protocol context
    * @param worldStateArchive the world state archive of the protocol context
-   * @param consensusContext the consensus context of the protocol context
+   * @param consensusContext the consensus context
    * @param badBlockManager the bad block manager of the protocol context
    */
   public ProtocolContext(
@@ -52,30 +51,6 @@ public class ProtocolContext {
     this.badBlockManager = badBlockManager;
   }
 
-  /**
-   * Initializes a new ProtocolContext with the given blockchain, world state archive, protocol
-   * schedule, consensus context factory, and bad block manager.
-   *
-   * @param blockchain the blockchain of the protocol context
-   * @param worldStateArchive the world state archive of the protocol context
-   * @param protocolSchedule the protocol schedule of the protocol context
-   * @param consensusContextFactory the consensus context factory of the protocol context
-   * @param badBlockManager the bad block manager of the protocol context
-   * @return the initialized ProtocolContext
-   */
-  public static ProtocolContext init(
-      final MutableBlockchain blockchain,
-      final WorldStateArchive worldStateArchive,
-      final ProtocolSchedule protocolSchedule,
-      final ConsensusContextFactory consensusContextFactory,
-      final BadBlockManager badBlockManager) {
-    return new ProtocolContext(
-        blockchain,
-        worldStateArchive,
-        consensusContextFactory.create(blockchain, worldStateArchive, protocolSchedule),
-        badBlockManager);
-  }
-
   /**
    * Gets the blockchain of the protocol context.
    *

ethereum/core/src/test-support/java/org/hyperledger/besu/ethereum/core/BlockchainSetupUtil.java

@@ -21,7 +21,6 @@ import static org.hyperledger.besu.ethereum.core.InMemoryKeyValueStorageProvider
 import static org.mockito.Mockito.mock;
 
 import org.hyperledger.besu.config.GenesisConfigFile;
-import org.hyperledger.besu.ethereum.ConsensusContext;
 import org.hyperledger.besu.ethereum.ProtocolContext;
 import org.hyperledger.besu.ethereum.chain.BadBlockManager;
 import org.hyperledger.besu.ethereum.chain.Blockchain;
@@ -161,15 +160,7 @@ public class BlockchainSetupUtil {
   private static ProtocolContext mainnetProtocolContextProvider(
       final MutableBlockchain blockchain, final WorldStateArchive worldStateArchive) {
     return new ProtocolContext(
-        blockchain,
-        worldStateArchive,
-        new ConsensusContext() {
-          @Override
-          public <C extends ConsensusContext> C as(final Class<C> klass) {
-            return null;
-          }
-        },
-        new BadBlockManager());
+        blockchain, worldStateArchive, new ConsensusContextFixture(), new BadBlockManager());
   }
 
   private static BlockchainSetupUtil create(

ethereum/core/src/test-support/java/org/hyperledger/besu/ethereum/core/ConsensusContextFixture.java

@@ -0,0 +1,24 @@
+/*
+ * Copyright contributors to Besu.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+package org.hyperledger.besu.ethereum.core;
+
+import org.hyperledger.besu.ethereum.ConsensusContext;
+
+public class ConsensusContextFixture implements ConsensusContext {
+  @Override
+  public <C extends ConsensusContext> C as(final Class<C> klass) {
+    return klass.cast(this);
+  }
+}

ethereum/core/src/test-support/java/org/hyperledger/besu/ethereum/core/ExecutionContextTestFixture.java

@@ -76,7 +76,8 @@ public class ExecutionContextTestFixture {
     else this.stateArchive = createInMemoryWorldStateArchive();
     this.protocolSchedule = protocolSchedule;
     this.protocolContext =
-        new ProtocolContext(blockchain, stateArchive, null, new BadBlockManager());
+        new ProtocolContext(
+            blockchain, stateArchive, new ConsensusContextFixture(), new BadBlockManager());
     genesisState.writeStateTo(stateArchive.getMutable());
   }
 

ethereum/core/src/test/java/org/hyperledger/besu/ethereum/trie/diffbased/bonsai/AbstractIsolationTests.java

@@ -30,6 +30,7 @@ import org.hyperledger.besu.datatypes.Address;
 import org.hyperledger.besu.datatypes.Hash;
 import org.hyperledger.besu.datatypes.Wei;
 import org.hyperledger.besu.ethereum.BlockProcessingResult;
+import org.hyperledger.besu.ethereum.ConsensusContext;
 import org.hyperledger.besu.ethereum.ProtocolContext;
 import org.hyperledger.besu.ethereum.blockcreation.AbstractBlockCreator;
 import org.hyperledger.besu.ethereum.chain.BadBlockManager;
@@ -172,7 +173,9 @@ public abstract class AbstractIsolationTests {
             throwingWorldStateHealerSupplier());
     var ws = archive.getMutable();
     genesisState.writeStateTo(ws);
-    protocolContext = new ProtocolContext(blockchain, archive, null, new BadBlockManager());
+    protocolContext =
+        new ProtocolContext(
+            blockchain, archive, mock(ConsensusContext.class), new BadBlockManager());
     ethContext = mock(EthContext.class, RETURNS_DEEP_STUBS);
     when(ethContext.getEthPeers().subscribeConnect(any())).thenReturn(1L);
     transactionPool =

ethereum/eth/src/test/java/org/hyperledger/besu/ethereum/eth/sync/fullsync/FullSyncTargetManagerTest.java

@@ -18,6 +18,7 @@ import static org.assertj.core.api.Assertions.assertThat;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
 
+import org.hyperledger.besu.ethereum.ConsensusContext;
 import org.hyperledger.besu.ethereum.ProtocolContext;
 import org.hyperledger.besu.ethereum.chain.BadBlockManager;
 import org.hyperledger.besu.ethereum.chain.Blockchain;
@@ -77,7 +78,8 @@ public class FullSyncTargetManagerTest {
 
     final ProtocolSchedule protocolSchedule = ProtocolScheduleFixture.MAINNET;
     final ProtocolContext protocolContext =
-        new ProtocolContext(localBlockchain, localWorldState, null, new BadBlockManager());
+        new ProtocolContext(
+            localBlockchain, localWorldState, mock(ConsensusContext.class), new BadBlockManager());
     ethProtocolManager =
         EthProtocolManagerTestUtil.create(
             protocolSchedule,

ethereum/eth/src/test/java/org/hyperledger/besu/ethereum/eth/sync/tasks/DetermineCommonAncestorTaskParameterizedTest.java

@@ -19,6 +19,7 @@ import static org.hyperledger.besu.ethereum.core.InMemoryKeyValueStorageProvider
 import static org.hyperledger.besu.ethereum.core.InMemoryKeyValueStorageProvider.createInMemoryWorldStateArchive;
 import static org.mockito.Mockito.mock;
 
+import org.hyperledger.besu.ethereum.ConsensusContext;
 import org.hyperledger.besu.ethereum.ProtocolContext;
 import org.hyperledger.besu.ethereum.chain.BadBlockManager;
 import org.hyperledger.besu.ethereum.chain.MutableBlockchain;
@@ -151,7 +152,11 @@ public class DetermineCommonAncestorTaskParameterizedTest {
 
     final EthContext ethContext = ethProtocolManager.ethContext();
     final ProtocolContext protocolContext =
-        new ProtocolContext(localBlockchain, worldStateArchive, null, new BadBlockManager());
+        new ProtocolContext(
+            localBlockchain,
+            worldStateArchive,
+            mock(ConsensusContext.class),
+            new BadBlockManager());
 
     final EthTask<BlockHeader> task =
         DetermineCommonAncestorTask.create(

ethereum/eth/src/test/java/org/hyperledger/besu/ethereum/eth/sync/tasks/DetermineCommonAncestorTaskTest.java

@@ -27,6 +27,7 @@ import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 
+import org.hyperledger.besu.ethereum.ConsensusContext;
 import org.hyperledger.besu.ethereum.ProtocolContext;
 import org.hyperledger.besu.ethereum.chain.BadBlockManager;
 import org.hyperledger.besu.ethereum.chain.Blockchain;
@@ -88,7 +89,11 @@ public class DetermineCommonAncestorTaskTest {
             EthProtocolConfiguration.defaultConfig());
     ethContext = ethProtocolManager.ethContext();
     protocolContext =
-        new ProtocolContext(localBlockchain, worldStateArchive, null, new BadBlockManager());
+        new ProtocolContext(
+            localBlockchain,
+            worldStateArchive,
+            mock(ConsensusContext.class),
+            new BadBlockManager());
   }
 
   @Test

ethereum/eth/src/test/java/org/hyperledger/besu/ethereum/eth/transactions/TestNode.java

@@ -27,6 +27,7 @@ import org.hyperledger.besu.config.GenesisConfigFile;
 import org.hyperledger.besu.crypto.KeyPair;
 import org.hyperledger.besu.cryptoservices.NodeKey;
 import org.hyperledger.besu.cryptoservices.NodeKeyUtils;
+import org.hyperledger.besu.ethereum.ConsensusContext;
 import org.hyperledger.besu.ethereum.ProtocolContext;
 import org.hyperledger.besu.ethereum.chain.BadBlockManager;
 import org.hyperledger.besu.ethereum.chain.GenesisState;
@@ -135,7 +136,8 @@ public class TestNode implements Closeable {
     final WorldStateArchive worldStateArchive = createInMemoryWorldStateArchive();
     genesisState.writeStateTo(worldStateArchive.getMutable());
     final ProtocolContext protocolContext =
-        new ProtocolContext(blockchain, worldStateArchive, null, new BadBlockManager());
+        new ProtocolContext(
+            blockchain, worldStateArchive, mock(ConsensusContext.class), new BadBlockManager());
 
     final SyncState syncState = mock(SyncState.class);
     final SynchronizerConfiguration syncConfig = mock(SynchronizerConfiguration.class);

ethereum/referencetests/src/main/java/org/hyperledger/besu/ethereum/referencetests/BlockchainReferenceTestCaseSpec.java

@@ -27,6 +27,7 @@ import org.hyperledger.besu.ethereum.core.Block;
 import org.hyperledger.besu.ethereum.core.BlockBody;
 import org.hyperledger.besu.ethereum.core.BlockHeader;
 import org.hyperledger.besu.ethereum.core.BlockHeaderFunctions;
+import org.hyperledger.besu.ethereum.core.ConsensusContextFixture;
 import org.hyperledger.besu.ethereum.core.Difficulty;
 import org.hyperledger.besu.ethereum.core.InMemoryKeyValueStorageProvider;
 import org.hyperledger.besu.ethereum.core.MutableWorldState;
@@ -108,7 +109,11 @@ public class BlockchainReferenceTestCaseSpec {
     this.blockchain = buildBlockchain(genesisBlockHeader);
     this.sealEngine = sealEngine;
     this.protocolContext =
-        new ProtocolContext(this.blockchain, this.worldStateArchive, null, new BadBlockManager());
+        new ProtocolContext(
+            this.blockchain,
+            this.worldStateArchive,
+            new ConsensusContextFixture(),
+            new BadBlockManager());
   }
 
   public String getNetwork() {