Add MiningCoordinator interface (#168)

acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/ThreadPantheonNodeRunner.java

@@ -50,7 +50,7 @@ public class ThreadPantheonNodeRunner implements PantheonNodeRunner {
     final PantheonControllerBuilder builder = new PantheonControllerBuilder();
     final EthNetworkConfig ethNetworkConfig =
         new EthNetworkConfig.Builder(mainnet()).setNetworkId(NETWORK_ID).build();
-    final PantheonController<?, ?> pantheonController;
+    final PantheonController<?> pantheonController;
     try {
       pantheonController =
           builder.build(

ethereum/blockcreation/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/AbstractMiningCoordinator.java

@@ -33,7 +33,7 @@ import org.apache.logging.log4j.Logger;
 
 public abstract class AbstractMiningCoordinator<
         C, M extends BlockMiner<C, ? extends AbstractBlockCreator<C>>>
-    implements BlockAddedObserver {
+    implements BlockAddedObserver, MiningCoordinator {
   private static final Logger LOG = getLogger();
   protected boolean isEnabled = false;
   protected volatile Optional<M> currentRunningMiner = Optional.empty();
@@ -54,6 +54,7 @@ public abstract class AbstractMiningCoordinator<
     syncState.addInSyncListener(this::inSyncChanged);
   }
 
+  @Override
   public void enable() {
     synchronized (this) {
       if (isEnabled) {
@@ -66,6 +67,7 @@ public abstract class AbstractMiningCoordinator<
     }
   }
 
+  @Override
   public void disable() {
     synchronized (this) {
       if (!isEnabled) {
@@ -76,6 +78,7 @@ public abstract class AbstractMiningCoordinator<
     }
   }
 
+  @Override
   public boolean isRunning() {
     synchronized (this) {
       return currentRunningMiner.isPresent();
@@ -121,38 +124,46 @@ public abstract class AbstractMiningCoordinator<
   }
 
   // Required for JSON RPC, and are deemed to be valid for all mining mechanisms
+  @Override
   public void setMinTransactionGasPrice(final Wei minGasPrice) {
     executor.setMinTransactionGasPrice(minGasPrice);
   }
 
+  @Override
   public Wei getMinTransactionGasPrice() {
     return executor.getMinTransactionGasPrice();
   }
 
+  @Override
   public void setExtraData(final BytesValue extraData) {
     executor.setExtraData(extraData);
   }
 
+  @Override
   public void setCoinbase(final Address coinbase) {
     throw new UnsupportedOperationException(
         "Current consensus mechanism prevents setting coinbase.");
   }
 
+  @Override
   public Optional<Address> getCoinbase() {
     throw new UnsupportedOperationException(
         "Current consensus mechanism prevents querying of coinbase.");
   }
 
+  @Override
   public Optional<Long> hashesPerSecond() {
     throw new UnsupportedOperationException(
         "Current consensus mechanism prevents querying of hashrate.");
   }
 
+  @Override
   public Optional<EthHashSolverInputs> getWorkDefinition() {
     throw new UnsupportedOperationException(
         "Current consensus mechanism prevents querying work definition.");
   }
 
+  @Override
   public boolean submitWork(final EthHashSolution solution) {
     throw new UnsupportedOperationException(
         "Current consensus mechanism prevents submission of work solutions.");

ethereum/blockcreation/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/MiningCoordinator.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright 2018 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.
+ */
+package tech.pegasys.pantheon.ethereum.blockcreation;
+
+import tech.pegasys.pantheon.ethereum.core.Address;
+import tech.pegasys.pantheon.ethereum.core.Wei;
+import tech.pegasys.pantheon.ethereum.mainnet.EthHashSolution;
+import tech.pegasys.pantheon.ethereum.mainnet.EthHashSolverInputs;
+import tech.pegasys.pantheon.util.bytes.BytesValue;
+
+import java.util.Optional;
+
+public interface MiningCoordinator {
+
+  void enable();
+
+  void disable();
+
+  boolean isRunning();
+
+  // Required for JSON RPC, and are deemed to be valid for all mining mechanisms
+  void setMinTransactionGasPrice(Wei minGasPrice);
+
+  Wei getMinTransactionGasPrice();
+
+  void setExtraData(BytesValue extraData);
+
+  void setCoinbase(Address coinbase);
+
+  Optional<Address> getCoinbase();
+
+  Optional<Long> hashesPerSecond();
+
+  Optional<EthHashSolverInputs> getWorkDefinition();
+
+  boolean submitWork(EthHashSolution solution);
+}

ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcMethodsFactory.java

@@ -12,7 +12,7 @@
  */
 package tech.pegasys.pantheon.ethereum.jsonrpc;
 
-import tech.pegasys.pantheon.ethereum.blockcreation.AbstractMiningCoordinator;
+import tech.pegasys.pantheon.ethereum.blockcreation.MiningCoordinator;
 import tech.pegasys.pantheon.ethereum.chain.Blockchain;
 import tech.pegasys.pantheon.ethereum.core.Synchronizer;
 import tech.pegasys.pantheon.ethereum.core.TransactionPool;
@@ -94,7 +94,7 @@ public class JsonRpcMethodsFactory {
       final Synchronizer synchronizer,
       final TransactionPool transactionPool,
       final ProtocolSchedule<?> protocolSchedule,
-      final AbstractMiningCoordinator<?, ?> miningCoordinator,
+      final MiningCoordinator miningCoordinator,
       final Set<Capability> supportedCapabilities,
       final Collection<RpcApi> rpcApis,
       final FilterManager filterManager) {
@@ -123,7 +123,7 @@ public class JsonRpcMethodsFactory {
       final ProtocolSchedule<?> protocolSchedule,
       final FilterManager filterManager,
       final TransactionPool transactionPool,
-      final AbstractMiningCoordinator<?, ?> miningCoordinator,
+      final MiningCoordinator miningCoordinator,
       final Set<Capability> supportedCapabilities,
       final Collection<RpcApi> rpcApis) {
     final Map<String, JsonRpcMethod> enabledMethods = new HashMap<>();
@@ -174,10 +174,10 @@ public class JsonRpcMethodsFactory {
                   blockchainQueries.getWorldStateArchive(),
                   protocolSchedule),
               parameter),
-          new EthMining<>(miningCoordinator),
+          new EthMining(miningCoordinator),
           new EthCoinbase(miningCoordinator),
           new EthProtocolVersion(supportedCapabilities),
-          new EthGasPrice<>(miningCoordinator),
+          new EthGasPrice(miningCoordinator),
           new EthGetWork(miningCoordinator));
     }
     if (rpcApis.contains(RpcApis.DEBUG)) {
@@ -207,8 +207,8 @@ public class JsonRpcMethodsFactory {
       final MinerSetCoinbase minerSetCoinbase = new MinerSetCoinbase(miningCoordinator, parameter);
       addMethods(
           enabledMethods,
-          new MinerStart<>(miningCoordinator),
+          new MinerStart(miningCoordinator),
-          new MinerStop<>(miningCoordinator),
+          new MinerStop(miningCoordinator),
           minerSetCoinbase,
           new MinerSetEtherbase(minerSetCoinbase));
     }

ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthCoinbase.java

@@ -12,7 +12,7 @@
  */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
-import tech.pegasys.pantheon.ethereum.blockcreation.AbstractMiningCoordinator;
+import tech.pegasys.pantheon.ethereum.blockcreation.MiningCoordinator;
 import tech.pegasys.pantheon.ethereum.core.Address;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.response.JsonRpcError;
@@ -24,9 +24,9 @@ import java.util.Optional;
 
 public class EthCoinbase implements JsonRpcMethod {
 
-  private final AbstractMiningCoordinator<?, ?> miningCoordinator;
+  private final MiningCoordinator miningCoordinator;
 
-  public EthCoinbase(final AbstractMiningCoordinator<?, ?> miningCoordinator) {
+  public EthCoinbase(final MiningCoordinator miningCoordinator) {
     this.miningCoordinator = miningCoordinator;
   }
 

ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGasPrice.java

@@ -12,21 +12,18 @@
  */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
-import tech.pegasys.pantheon.ethereum.blockcreation.AbstractBlockCreator;
+import tech.pegasys.pantheon.ethereum.blockcreation.MiningCoordinator;
-import tech.pegasys.pantheon.ethereum.blockcreation.AbstractMiningCoordinator;
-import tech.pegasys.pantheon.ethereum.blockcreation.BlockMiner;
 import tech.pegasys.pantheon.ethereum.core.Wei;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.response.JsonRpcResponse;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.response.JsonRpcSuccessResponse;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.results.Quantity;
 
-public class EthGasPrice<C, M extends BlockMiner<C, ? extends AbstractBlockCreator<C>>>
+public class EthGasPrice implements JsonRpcMethod {
-    implements JsonRpcMethod {
 
-  private final AbstractMiningCoordinator<C, M> miningCoordinator;
+  private final MiningCoordinator miningCoordinator;
 
-  public EthGasPrice(final AbstractMiningCoordinator<C, M> miningCoordinator) {
+  public EthGasPrice(final MiningCoordinator miningCoordinator) {
     this.miningCoordinator = miningCoordinator;
   }
 

ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetWork.java

@@ -14,7 +14,7 @@ package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import static org.apache.logging.log4j.LogManager.getLogger;
 
-import tech.pegasys.pantheon.ethereum.blockcreation.AbstractMiningCoordinator;
+import tech.pegasys.pantheon.ethereum.blockcreation.MiningCoordinator;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.response.JsonRpcError;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.response.JsonRpcErrorResponse;
@@ -30,10 +30,10 @@ import org.apache.logging.log4j.Logger;
 
 public class EthGetWork implements JsonRpcMethod {
 
-  private final AbstractMiningCoordinator<?, ?> miner;
+  private final MiningCoordinator miner;
   private static final Logger LOG = getLogger();
 
-  public EthGetWork(final AbstractMiningCoordinator<?, ?> miner) {
+  public EthGetWork(final MiningCoordinator miner) {
     this.miner = miner;
   }
 

ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthMining.java

@@ -12,19 +12,16 @@
  */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
-import tech.pegasys.pantheon.ethereum.blockcreation.AbstractBlockCreator;
+import tech.pegasys.pantheon.ethereum.blockcreation.MiningCoordinator;
-import tech.pegasys.pantheon.ethereum.blockcreation.AbstractMiningCoordinator;
-import tech.pegasys.pantheon.ethereum.blockcreation.BlockMiner;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.response.JsonRpcResponse;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.response.JsonRpcSuccessResponse;
 
-public class EthMining<C, M extends BlockMiner<C, ? extends AbstractBlockCreator<C>>>
+public class EthMining implements JsonRpcMethod {
-    implements JsonRpcMethod {
 
-  private final AbstractMiningCoordinator<C, M> miningCoordinator;
+  private final MiningCoordinator miningCoordinator;
 
-  public EthMining(final AbstractMiningCoordinator<C, M> miningCoordinator) {
+  public EthMining(final MiningCoordinator miningCoordinator) {
     this.miningCoordinator = miningCoordinator;
   }
 

ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerSetCoinbase.java

@@ -12,7 +12,7 @@
  */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods.miner;
 
-import tech.pegasys.pantheon.ethereum.blockcreation.AbstractMiningCoordinator;
+import tech.pegasys.pantheon.ethereum.blockcreation.MiningCoordinator;
 import tech.pegasys.pantheon.ethereum.core.Address;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods.JsonRpcMethod;
@@ -24,11 +24,11 @@ import tech.pegasys.pantheon.ethereum.jsonrpc.internal.response.JsonRpcSuccessRe
 
 public class MinerSetCoinbase implements JsonRpcMethod {
 
-  private final AbstractMiningCoordinator<?, ?> miningCoordinator;
+  private final MiningCoordinator miningCoordinator;
   private final JsonRpcParameter parameters;
 
   public MinerSetCoinbase(
-      final AbstractMiningCoordinator<?, ?> miningCoordinator, final JsonRpcParameter parameters) {
+      final MiningCoordinator miningCoordinator, final JsonRpcParameter parameters) {
     this.miningCoordinator = miningCoordinator;
     this.parameters = parameters;
   }

ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerStart.java

@@ -12,10 +12,8 @@
  */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods.miner;
 
-import tech.pegasys.pantheon.ethereum.blockcreation.AbstractBlockCreator;
-import tech.pegasys.pantheon.ethereum.blockcreation.AbstractMiningCoordinator;
-import tech.pegasys.pantheon.ethereum.blockcreation.BlockMiner;
 import tech.pegasys.pantheon.ethereum.blockcreation.CoinbaseNotSetException;
+import tech.pegasys.pantheon.ethereum.blockcreation.MiningCoordinator;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods.JsonRpcMethod;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.response.JsonRpcError;
@@ -23,12 +21,11 @@ import tech.pegasys.pantheon.ethereum.jsonrpc.internal.response.JsonRpcErrorResp
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.response.JsonRpcResponse;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.response.JsonRpcSuccessResponse;
 
-public class MinerStart<C, M extends BlockMiner<C, ? extends AbstractBlockCreator<C>>>
+public class MinerStart implements JsonRpcMethod {
-    implements JsonRpcMethod {
 
-  private final AbstractMiningCoordinator<C, M> miningCoordinator;
+  private final MiningCoordinator miningCoordinator;
 
-  public MinerStart(final AbstractMiningCoordinator<C, M> miningCoordinator) {
+  public MinerStart(final MiningCoordinator miningCoordinator) {
     this.miningCoordinator = miningCoordinator;
   }
 

ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerStop.java

@@ -12,20 +12,17 @@
  */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods.miner;
 
-import tech.pegasys.pantheon.ethereum.blockcreation.AbstractBlockCreator;
+import tech.pegasys.pantheon.ethereum.blockcreation.MiningCoordinator;
-import tech.pegasys.pantheon.ethereum.blockcreation.AbstractMiningCoordinator;
-import tech.pegasys.pantheon.ethereum.blockcreation.BlockMiner;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods.JsonRpcMethod;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.response.JsonRpcResponse;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.response.JsonRpcSuccessResponse;
 
-public class MinerStop<C, M extends BlockMiner<C, ? extends AbstractBlockCreator<C>>>
+public class MinerStop implements JsonRpcMethod {
-    implements JsonRpcMethod {
 
-  private final AbstractMiningCoordinator<C, M> miningCoordinator;
+  private final MiningCoordinator miningCoordinator;
 
-  public MinerStop(final AbstractMiningCoordinator<C, M> miningCoordinator) {
+  public MinerStop(final MiningCoordinator miningCoordinator) {
     this.miningCoordinator = miningCoordinator;
   }
 

ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthCoinbaseTest.java

@@ -17,7 +17,7 @@ import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.verifyNoMoreInteractions;
 import static org.mockito.Mockito.when;
 
-import tech.pegasys.pantheon.ethereum.blockcreation.AbstractMiningCoordinator;
+import tech.pegasys.pantheon.ethereum.blockcreation.MiningCoordinator;
 import tech.pegasys.pantheon.ethereum.core.Address;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.response.JsonRpcError;
@@ -36,7 +36,7 @@ import org.mockito.junit.MockitoJUnitRunner;
 @RunWith(MockitoJUnitRunner.class)
 public class EthCoinbaseTest {
 
-  @Mock private AbstractMiningCoordinator<?, ?> miningCoordinator;
+  @Mock private MiningCoordinator miningCoordinator;
   private EthCoinbase method;
   private final String JSON_RPC_VERSION = "2.0";
   private final String ETH_METHOD = "eth_coinbase";

ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGasPriceTest.java

@@ -17,7 +17,6 @@ import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.verifyNoMoreInteractions;
 import static org.mockito.Mockito.when;
 
-import tech.pegasys.pantheon.ethereum.blockcreation.EthHashBlockMiner;
 import tech.pegasys.pantheon.ethereum.blockcreation.EthHashMiningCoordinator;
 import tech.pegasys.pantheon.ethereum.core.Wei;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
@@ -34,13 +33,13 @@ import org.mockito.junit.MockitoJUnitRunner;
 public class EthGasPriceTest {
 
   @Mock private EthHashMiningCoordinator miningCoordinator;
-  private EthGasPrice<Void, EthHashBlockMiner> method;
+  private EthGasPrice method;
   private final String JSON_RPC_VERSION = "2.0";
   private final String ETH_METHOD = "eth_gasPrice";
 
   @Before
   public void setUp() {
-    method = new EthGasPrice<>(miningCoordinator);
+    method = new EthGasPrice(miningCoordinator);
   }
 
   @Test

ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthMiningTest.java

@@ -17,7 +17,6 @@ import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.verifyNoMoreInteractions;
 import static org.mockito.Mockito.when;
 
-import tech.pegasys.pantheon.ethereum.blockcreation.EthHashBlockMiner;
 import tech.pegasys.pantheon.ethereum.blockcreation.EthHashMiningCoordinator;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.response.JsonRpcResponse;
@@ -33,13 +32,13 @@ import org.mockito.junit.MockitoJUnitRunner;
 public class EthMiningTest {
 
   @Mock private EthHashMiningCoordinator miningCoordinator;
-  private EthMining<Void, EthHashBlockMiner> method;
+  private EthMining method;
   private final String JSON_RPC_VERSION = "2.0";
   private final String ETH_METHOD = "eth_mining";
 
   @Before
   public void setUp() {
-    method = new EthMining<>(miningCoordinator);
+    method = new EthMining(miningCoordinator);
   }
 
   @Test

ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerSetCoinbaseTest.java

@@ -19,7 +19,7 @@ import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.doAnswer;
 import static org.mockito.Mockito.verify;
 
-import tech.pegasys.pantheon.ethereum.blockcreation.AbstractMiningCoordinator;
+import tech.pegasys.pantheon.ethereum.blockcreation.MiningCoordinator;
 import tech.pegasys.pantheon.ethereum.core.Address;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.exception.InvalidJsonRpcParameters;
@@ -40,7 +40,7 @@ public class MinerSetCoinbaseTest {
 
   private MinerSetCoinbase method;
 
-  @Mock private AbstractMiningCoordinator<?, ?> miningCoordinator;
+  @Mock private MiningCoordinator miningCoordinator;
 
   @Before
   public void before() {

ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerStartTest.java

@@ -16,7 +16,6 @@ import static org.assertj.core.api.Assertions.assertThat;
 import static org.mockito.Mockito.doThrow;
 
 import tech.pegasys.pantheon.ethereum.blockcreation.CoinbaseNotSetException;
-import tech.pegasys.pantheon.ethereum.blockcreation.EthHashBlockMiner;
 import tech.pegasys.pantheon.ethereum.blockcreation.EthHashMiningCoordinator;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.response.JsonRpcError;
@@ -33,13 +32,13 @@ import org.mockito.junit.MockitoJUnitRunner;
 @RunWith(MockitoJUnitRunner.class)
 public class MinerStartTest {
 
-  private MinerStart<Void, EthHashBlockMiner> method;
+  private MinerStart method;
 
   @Mock private EthHashMiningCoordinator miningCoordinator;
 
   @Before
   public void before() {
-    method = new MinerStart<>(miningCoordinator);
+    method = new MinerStart(miningCoordinator);
   }
 
   @Test

ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerStopTest.java

@@ -14,7 +14,6 @@ package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods.miner;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-import tech.pegasys.pantheon.ethereum.blockcreation.EthHashBlockMiner;
 import tech.pegasys.pantheon.ethereum.blockcreation.EthHashMiningCoordinator;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.response.JsonRpcResponse;
@@ -29,13 +28,13 @@ import org.mockito.junit.MockitoJUnitRunner;
 @RunWith(MockitoJUnitRunner.class)
 public class MinerStopTest {
 
-  private MinerStop<Void, EthHashBlockMiner> method;
+  private MinerStop method;
 
   @Mock private EthHashMiningCoordinator miningCoordinator;
 
   @Before
   public void before() {
-    method = new MinerStop<>(miningCoordinator);
+    method = new MinerStop(miningCoordinator);
   }
 
   @Test

pantheon/src/main/java/tech/pegasys/pantheon/Runner.java

@@ -45,7 +45,7 @@ public class Runner implements AutoCloseable {
   private final Optional<JsonRpcHttpService> jsonRpc;
   private final Optional<WebSocketService> websocketRpc;
 
-  private final PantheonController<?, ?> pantheonController;
+  private final PantheonController<?> pantheonController;
   private final Path dataDir;
 
   Runner(
@@ -53,7 +53,7 @@ public class Runner implements AutoCloseable {
       final NetworkRunner networkRunner,
       final Optional<JsonRpcHttpService> jsonRpc,
       final Optional<WebSocketService> websocketRpc,
-      final PantheonController<?, ?> pantheonController,
+      final PantheonController<?> pantheonController,
       final Path dataDir) {
     this.vertx = vertx;
     this.networkRunner = networkRunner;

pantheon/src/main/java/tech/pegasys/pantheon/RunnerBuilder.java

@@ -19,7 +19,7 @@ import tech.pegasys.pantheon.consensus.ibft.jsonrpc.IbftJsonRpcMethodsFactory;
 import tech.pegasys.pantheon.controller.PantheonController;
 import tech.pegasys.pantheon.crypto.SECP256K1.KeyPair;
 import tech.pegasys.pantheon.ethereum.ProtocolContext;
-import tech.pegasys.pantheon.ethereum.blockcreation.AbstractMiningCoordinator;
+import tech.pegasys.pantheon.ethereum.blockcreation.MiningCoordinator;
 import tech.pegasys.pantheon.ethereum.chain.Blockchain;
 import tech.pegasys.pantheon.ethereum.core.Synchronizer;
 import tech.pegasys.pantheon.ethereum.core.TransactionPool;
@@ -70,7 +70,7 @@ public class RunnerBuilder {
 
   public Runner build(
       final Vertx vertx,
-      final PantheonController<?, ?> pantheonController,
+      final PantheonController<?> pantheonController,
       final boolean discovery,
       final Collection<?> bootstrapPeers,
       final String discoveryHost,
@@ -139,8 +139,7 @@ public class RunnerBuilder {
 
     final Synchronizer synchronizer = pantheonController.getSynchronizer();
     final TransactionPool transactionPool = pantheonController.getTransactionPool();
-    final AbstractMiningCoordinator<?, ?> miningCoordinator =
+    final MiningCoordinator miningCoordinator = pantheonController.getMiningCoordinator();
-        pantheonController.getMiningCoordinator();
 
     final FilterManager filterManager = createFilterManager(vertx, context, transactionPool);
 
@@ -213,11 +212,11 @@ public class RunnerBuilder {
   private Map<String, JsonRpcMethod> jsonRpcMethods(
       final ProtocolContext<?> context,
       final ProtocolSchedule<?> protocolSchedule,
-      final PantheonController<?, ?> pantheonController,
+      final PantheonController<?> pantheonController,
       final NetworkRunner networkRunner,
       final Synchronizer synchronizer,
       final TransactionPool transactionPool,
-      final AbstractMiningCoordinator<?, ?> miningCoordinator,
+      final MiningCoordinator miningCoordinator,
       final Set<Capability> supportedCapabilities,
       final Collection<RpcApi> jsonRpcApis,
       final FilterManager filterManager) {

pantheon/src/main/java/tech/pegasys/pantheon/cli/ExportPublicKeySubCommand.java

@@ -51,7 +51,7 @@ class ExportPublicKeySubCommand implements Runnable {
   @Override
   public void run() {
 
-    final PantheonController<?, ?> controller = parentCommand.buildController();
+    final PantheonController<?> controller = parentCommand.buildController();
     final KeyPair keyPair = controller.getLocalNodeKeyPair();
 
     // this publicKeyExportFile can never be null because of Picocli arity requirement

pantheon/src/main/java/tech/pegasys/pantheon/cli/PantheonCommand.java

@@ -421,7 +421,7 @@ public class PantheonCommand implements Runnable {
         webSocketConfiguration());
   }
 
-  PantheonController<?, ?> buildController() {
+  PantheonController<?> buildController() {
     try {
       return controllerBuilder.build(
           buildSyncConfig(syncMode),
@@ -465,7 +465,7 @@ public class PantheonCommand implements Runnable {
 
   // Blockchain synchronisation from peers.
   private void synchronize(
-      final PantheonController<?, ?> controller,
+      final PantheonController<?> controller,
       final boolean noPeerDiscovery,
       final Collection<?> bootstrapNodes,
       final int maxPeers,

pantheon/src/main/java/tech/pegasys/pantheon/cli/PantheonControllerBuilder.java

@@ -29,7 +29,7 @@ import com.google.common.io.Resources;
 
 public class PantheonControllerBuilder {
 
-  public PantheonController<?, ?> build(
+  public PantheonController<?> build(
       final SynchronizerConfiguration synchronizerConfiguration,
       final Path homePath,
       final EthNetworkConfig ethNetworkConfig,

pantheon/src/main/java/tech/pegasys/pantheon/controller/CliquePantheonController.java

@@ -17,7 +17,6 @@ import static org.apache.logging.log4j.LogManager.getLogger;
 import tech.pegasys.pantheon.consensus.clique.CliqueContext;
 import tech.pegasys.pantheon.consensus.clique.CliqueVoteTallyUpdater;
 import tech.pegasys.pantheon.consensus.clique.VoteTallyCache;
-import tech.pegasys.pantheon.consensus.clique.blockcreation.CliqueBlockMiner;
 import tech.pegasys.pantheon.consensus.clique.blockcreation.CliqueBlockScheduler;
 import tech.pegasys.pantheon.consensus.clique.blockcreation.CliqueMinerExecutor;
 import tech.pegasys.pantheon.consensus.clique.blockcreation.CliqueMiningCoordinator;
@@ -25,7 +24,7 @@ import tech.pegasys.pantheon.consensus.common.EpochManager;
 import tech.pegasys.pantheon.consensus.common.VoteProposer;
 import tech.pegasys.pantheon.crypto.SECP256K1.KeyPair;
 import tech.pegasys.pantheon.ethereum.ProtocolContext;
-import tech.pegasys.pantheon.ethereum.blockcreation.AbstractMiningCoordinator;
+import tech.pegasys.pantheon.ethereum.blockcreation.MiningCoordinator;
 import tech.pegasys.pantheon.ethereum.chain.GenesisConfig;
 import tech.pegasys.pantheon.ethereum.chain.MutableBlockchain;
 import tech.pegasys.pantheon.ethereum.core.BlockHashFunction;
@@ -61,8 +60,7 @@ import java.util.concurrent.TimeUnit;
 import io.vertx.core.json.JsonObject;
 import org.apache.logging.log4j.Logger;
 
-public class CliquePantheonController
+public class CliquePantheonController implements PantheonController<CliqueContext> {
-    implements PantheonController<CliqueContext, CliqueBlockMiner> {
   public static int RINKEBY_NETWORK_ID = 4;
   private static final Logger LOG = getLogger();
   private final GenesisConfig<CliqueContext> genesisConfig;
@@ -75,7 +73,7 @@ public class CliquePantheonController
 
   private static final long EPOCH_LENGTH_DEFAULT = 30_000L;
   private static final long SECONDS_BETWEEN_BLOCKS_DEFAULT = 15L;
-  private final CliqueMiningCoordinator miningCoordinator;
+  private final MiningCoordinator miningCoordinator;
 
   CliquePantheonController(
       final GenesisConfig<CliqueContext> genesisConfig,
@@ -84,7 +82,7 @@ public class CliquePantheonController
       final Synchronizer synchronizer,
       final KeyPair keyPair,
       final TransactionPool transactionPool,
-      final CliqueMiningCoordinator miningCoordinator,
+      final MiningCoordinator miningCoordinator,
       final Runnable closer) {
 
     this.genesisConfig = genesisConfig;
@@ -97,7 +95,7 @@ public class CliquePantheonController
     this.miningCoordinator = miningCoordinator;
   }
 
-  public static PantheonController<CliqueContext, CliqueBlockMiner> init(
+  public static PantheonController<CliqueContext> init(
       final Path home,
       final GenesisConfig<CliqueContext> genesisConfig,
       final SynchronizerConfiguration taintedSyncConfig,
@@ -229,7 +227,7 @@ public class CliquePantheonController
   }
 
   @Override
-  public AbstractMiningCoordinator<CliqueContext, CliqueBlockMiner> getMiningCoordinator() {
+  public MiningCoordinator getMiningCoordinator() {
     return miningCoordinator;
   }
 

pantheon/src/main/java/tech/pegasys/pantheon/controller/IbftPantheonController.java

@@ -22,7 +22,6 @@ import tech.pegasys.pantheon.consensus.ibft.IbftContext;
 import tech.pegasys.pantheon.consensus.ibft.IbftEventQueue;
 import tech.pegasys.pantheon.consensus.ibft.IbftProcessor;
 import tech.pegasys.pantheon.consensus.ibft.IbftStateMachine;
-import tech.pegasys.pantheon.consensus.ibft.blockcreation.IbftBlockMiner;
 import tech.pegasys.pantheon.consensus.ibft.network.IbftNetworkPeers;
 import tech.pegasys.pantheon.consensus.ibft.protocol.IbftProtocolManager;
 import tech.pegasys.pantheon.consensus.ibft.protocol.IbftSubProtocol;
@@ -32,7 +31,7 @@ import tech.pegasys.pantheon.consensus.ibftlegacy.protocol.Istanbul64Protocol;
 import tech.pegasys.pantheon.consensus.ibftlegacy.protocol.Istanbul64ProtocolManager;
 import tech.pegasys.pantheon.crypto.SECP256K1.KeyPair;
 import tech.pegasys.pantheon.ethereum.ProtocolContext;
-import tech.pegasys.pantheon.ethereum.blockcreation.AbstractMiningCoordinator;
+import tech.pegasys.pantheon.ethereum.blockcreation.MiningCoordinator;
 import tech.pegasys.pantheon.ethereum.chain.GenesisConfig;
 import tech.pegasys.pantheon.ethereum.chain.MutableBlockchain;
 import tech.pegasys.pantheon.ethereum.core.BlockHashFunction;
@@ -67,7 +66,7 @@ import java.util.concurrent.TimeUnit;
 import io.vertx.core.json.JsonObject;
 import org.apache.logging.log4j.Logger;
 
-public class IbftPantheonController implements PantheonController<IbftContext, IbftBlockMiner> {
+public class IbftPantheonController implements PantheonController<IbftContext> {
 
   private static final int DEFAULT_ROUND_EXPIRY_MILLISECONDS = 10000;
   private static final Logger LOG = getLogger();
@@ -106,7 +105,7 @@ public class IbftPantheonController implements PantheonController<IbftContext, I
     this.closer = closer;
   }
 
-  public static PantheonController<IbftContext, IbftBlockMiner> init(
+  public static PantheonController<IbftContext> init(
       final Path home,
       final GenesisConfig<IbftContext> genesisConfig,
       final SynchronizerConfiguration taintedSyncConfig,
@@ -243,7 +242,7 @@ public class IbftPantheonController implements PantheonController<IbftContext, I
   }
 
   @Override
-  public AbstractMiningCoordinator<IbftContext, IbftBlockMiner> getMiningCoordinator() {
+  public MiningCoordinator getMiningCoordinator() {
     return null;
   }
 

pantheon/src/main/java/tech/pegasys/pantheon/controller/MainnetPantheonController.java

@@ -17,9 +17,9 @@ import static tech.pegasys.pantheon.controller.KeyPairUtil.loadKeyPair;
 import tech.pegasys.pantheon.crypto.SECP256K1.KeyPair;
 import tech.pegasys.pantheon.ethereum.ProtocolContext;
 import tech.pegasys.pantheon.ethereum.blockcreation.DefaultBlockScheduler;
-import tech.pegasys.pantheon.ethereum.blockcreation.EthHashBlockMiner;
 import tech.pegasys.pantheon.ethereum.blockcreation.EthHashMinerExecutor;
 import tech.pegasys.pantheon.ethereum.blockcreation.EthHashMiningCoordinator;
+import tech.pegasys.pantheon.ethereum.blockcreation.MiningCoordinator;
 import tech.pegasys.pantheon.ethereum.chain.GenesisConfig;
 import tech.pegasys.pantheon.ethereum.chain.MutableBlockchain;
 import tech.pegasys.pantheon.ethereum.core.BlockHashFunction;
@@ -55,7 +55,7 @@ import java.util.concurrent.TimeUnit;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
-public class MainnetPantheonController implements PantheonController<Void, EthHashBlockMiner> {
+public class MainnetPantheonController implements PantheonController<Void> {
 
   private static final Logger LOG = LogManager.getLogger();
   public static final int MAINNET_NETWORK_ID = 1;
@@ -67,7 +67,7 @@ public class MainnetPantheonController implements PantheonController<Void, EthHa
   private final Synchronizer synchronizer;
 
   private final TransactionPool transactionPool;
-  private final EthHashMiningCoordinator miningCoordinator;
+  private final MiningCoordinator miningCoordinator;
   private final Runnable close;
 
   public MainnetPantheonController(
@@ -77,7 +77,7 @@ public class MainnetPantheonController implements PantheonController<Void, EthHa
       final Synchronizer synchronizer,
       final KeyPair keyPair,
       final TransactionPool transactionPool,
-      final EthHashMiningCoordinator miningCoordinator,
+      final MiningCoordinator miningCoordinator,
       final Runnable close) {
     this.genesisConfig = genesisConfig;
     this.protocolContext = protocolContext;
@@ -89,8 +89,7 @@ public class MainnetPantheonController implements PantheonController<Void, EthHa
     this.close = close;
   }
 
-  public static PantheonController<Void, EthHashBlockMiner> mainnet(final Path home)
+  public static PantheonController<Void> mainnet(final Path home) throws IOException {
-      throws IOException {
     final MiningParameters miningParams = new MiningParameters(null, null, null, false);
     final KeyPair nodeKeys = loadKeyPair(home);
     return init(
@@ -101,7 +100,7 @@ public class MainnetPantheonController implements PantheonController<Void, EthHa
         nodeKeys);
   }
 
-  public static PantheonController<Void, EthHashBlockMiner> init(
+  public static PantheonController<Void> init(
       final Path home,
       final GenesisConfig<Void> genesisConfig,
       final SynchronizerConfiguration taintedSyncConfig,
@@ -216,7 +215,7 @@ public class MainnetPantheonController implements PantheonController<Void, EthHa
   }
 
   @Override
-  public EthHashMiningCoordinator getMiningCoordinator() {
+  public MiningCoordinator getMiningCoordinator() {
     return miningCoordinator;
   }
 

pantheon/src/main/java/tech/pegasys/pantheon/controller/PantheonController.java

@@ -16,9 +16,7 @@ import tech.pegasys.pantheon.consensus.clique.CliqueProtocolSchedule;
 import tech.pegasys.pantheon.consensus.ibftlegacy.IbftProtocolSchedule;
 import tech.pegasys.pantheon.crypto.SECP256K1.KeyPair;
 import tech.pegasys.pantheon.ethereum.ProtocolContext;
-import tech.pegasys.pantheon.ethereum.blockcreation.AbstractBlockCreator;
+import tech.pegasys.pantheon.ethereum.blockcreation.MiningCoordinator;
-import tech.pegasys.pantheon.ethereum.blockcreation.AbstractMiningCoordinator;
-import tech.pegasys.pantheon.ethereum.blockcreation.BlockMiner;
 import tech.pegasys.pantheon.ethereum.chain.GenesisConfig;
 import tech.pegasys.pantheon.ethereum.core.MiningParameters;
 import tech.pegasys.pantheon.ethereum.core.Synchronizer;
@@ -34,12 +32,11 @@ import java.nio.file.Path;
 
 import io.vertx.core.json.JsonObject;
 
-public interface PantheonController<C, M extends BlockMiner<C, ? extends AbstractBlockCreator<C>>>
+public interface PantheonController<C> extends Closeable {
-    extends Closeable {
 
   String DATABASE_PATH = "database";
 
-  static PantheonController<?, ?> fromConfig(
+  static PantheonController<?> fromConfig(
       final SynchronizerConfiguration syncConfig,
       final String configContents,
       final Path pantheonHome,
@@ -98,5 +95,5 @@ public interface PantheonController<C, M extends BlockMiner<C, ? extends Abstrac
 
   TransactionPool getTransactionPool();
 
-  AbstractMiningCoordinator<C, M> getMiningCoordinator();
+  MiningCoordinator getMiningCoordinator();
 }

pantheon/src/main/java/tech/pegasys/pantheon/util/BlockImporter.java

@@ -52,7 +52,7 @@ public class BlockImporter {
    */
   public <C, M extends BlockMiner<C, ? extends AbstractBlockCreator<C>>>
       BlockImporter.ImportResult importBlockchain(
-          final Path blocks, final PantheonController<C, M> pantheonController) throws IOException {
+          final Path blocks, final PantheonController<C> pantheonController) throws IOException {
     final ProtocolSchedule<C> protocolSchedule = pantheonController.getProtocolSchedule();
     final ProtocolContext<C> context = pantheonController.getProtocolContext();
     final GenesisConfig<C> genesis = pantheonController.getGenesisConfig();

pantheon/src/main/java/tech/pegasys/pantheon/util/BlockchainImporter.java

@@ -17,8 +17,6 @@ import static java.lang.String.format;
 
 import tech.pegasys.pantheon.controller.PantheonController;
 import tech.pegasys.pantheon.ethereum.ProtocolContext;
-import tech.pegasys.pantheon.ethereum.blockcreation.AbstractBlockCreator;
-import tech.pegasys.pantheon.ethereum.blockcreation.BlockMiner;
 import tech.pegasys.pantheon.ethereum.chain.GenesisConfig;
 import tech.pegasys.pantheon.ethereum.chain.MutableBlockchain;
 import tech.pegasys.pantheon.ethereum.core.Address;
@@ -91,7 +89,6 @@ public class BlockchainImporter extends BlockImporter {
    * Imports blockchain from file as concatenated RLP sections
    *
    * @param <C> the consensus context type
-   * @param <M> the type of miner being used within the executing pantheon
    * @param dataFilePath Path to the file containing the dataFilePath
    * @param pantheonController the PantheonController that defines blockchain behavior
    * @param isSkipHeaderValidation if true, header validation is skipped. This must only be used
@@ -105,10 +102,9 @@ public class BlockchainImporter extends BlockImporter {
    * @return the import result
    * @throws IOException On Failure
    */
-  public <C, M extends BlockMiner<C, ? extends AbstractBlockCreator<C>>>
+  public <C> BlockImporter.ImportResult importBlockchain(
-      BlockImporter.ImportResult importBlockchain(
       final Path dataFilePath,
-          final PantheonController<C, M> pantheonController,
+      final PantheonController<C> pantheonController,
       final boolean isSkipHeaderValidation,
       final int metricsIntervalSec,
       final int accountCommitInterval,
@@ -168,9 +164,8 @@ public class BlockchainImporter extends BlockImporter {
    *     combination with isSkipBlocks
    * @return the import result
    */
-  private <C, M extends BlockMiner<C, ? extends AbstractBlockCreator<C>>>
+  private <C> BlockImporter.ImportResult importBlockchain(
-      BlockImporter.ImportResult importBlockchain(
+      final PantheonController<C> pantheonController,
-          final PantheonController<C, M> pantheonController,
       final FileRLPInput rlp,
       final Boolean isSkipBlocks,
       final int metricsIntervalSec,
@@ -328,8 +323,8 @@ public class BlockchainImporter extends BlockImporter {
    * @param <C> the consensus context type
    * @return root hash of the world state
    */
-  private <C, M extends BlockMiner<C, ? extends AbstractBlockCreator<C>>> Hash importWorldState(
+  private <C> Hash importWorldState(
-      final PantheonController<C, M> pantheonController,
+      final PantheonController<C> pantheonController,
       final FileRLPInput rlp,
       final int metricsIntervalSec,
       final int accountCommitInterval) {
@@ -487,9 +482,8 @@ public class BlockchainImporter extends BlockImporter {
    * @param worldStateRootHash calculated world state's root hash
    * @param <C> the consensus context type
    */
-  private <C, M extends BlockMiner<C, ? extends AbstractBlockCreator<C>>>
+  private <C> void validateWorldStateRootHash(
-      void validateWorldStateRootHash(
+      final PantheonController<C> pantheonController, final Hash worldStateRootHash) {
-          final PantheonController<C, M> pantheonController, final Hash worldStateRootHash) {
     final ProtocolContext<C> context = pantheonController.getProtocolContext();
     final MutableBlockchain blockchain = context.getBlockchain();
     final Optional<BlockHeader> header = blockchain.getBlockHeader(blockchain.getChainHeadHash());

pantheon/src/test/java/tech/pegasys/pantheon/RunnerTest.java

@@ -19,7 +19,6 @@ import tech.pegasys.pantheon.controller.MainnetPantheonController;
 import tech.pegasys.pantheon.controller.PantheonController;
 import tech.pegasys.pantheon.crypto.SECP256K1.KeyPair;
 import tech.pegasys.pantheon.ethereum.ProtocolContext;
-import tech.pegasys.pantheon.ethereum.blockcreation.EthHashBlockMiner;
 import tech.pegasys.pantheon.ethereum.chain.GenesisConfig;
 import tech.pegasys.pantheon.ethereum.core.Block;
 import tech.pegasys.pantheon.ethereum.core.BlockImporter;
@@ -91,7 +90,7 @@ public final class RunnerTest {
             .build();
 
     // Setup state with block data
-    try (final PantheonController<Void, EthHashBlockMiner> controller =
+    try (final PantheonController<Void> controller =
         MainnetPantheonController.init(
             dbAhead,
             GenesisConfig.mainnet(),
@@ -102,7 +101,7 @@ public final class RunnerTest {
     }
 
     // Setup Runner with blocks
-    final PantheonController<Void, EthHashBlockMiner> controllerAhead =
+    final PantheonController<Void> controllerAhead =
         MainnetPantheonController.init(
             dbAhead,
             GenesisConfig.mainnet(),
@@ -135,7 +134,7 @@ public final class RunnerTest {
       // Setup runner with no block data
       final Path dbBehind = temp.newFolder().toPath();
       final KeyPair behindDbNodeKeys = loadKeyPair(dbBehind);
-      final PantheonController<Void, EthHashBlockMiner> controllerBehind =
+      final PantheonController<Void> controllerBehind =
           MainnetPantheonController.init(
               temp.newFolder().toPath(),
               GenesisConfig.mainnet(),

pantheon/src/test/java/tech/pegasys/pantheon/cli/CommandTestAbstract.java

@@ -60,7 +60,7 @@ public abstract class CommandTestAbstract {
   @Mock PantheonControllerBuilder mockControllerBuilder;
   @Mock SynchronizerConfiguration.Builder mockSyncConfBuilder;
   @Mock SynchronizerConfiguration mockSyncConf;
-  @Mock PantheonController<?, ?> mockController;
+  @Mock PantheonController<?> mockController;
   @Mock BlockImporter mockBlockImporter;
 
   @Captor ArgumentCaptor<Collection<String>> stringListArgumentCaptor;

pantheon/src/test/java/tech/pegasys/pantheon/util/BlockImporterTest.java

@@ -67,7 +67,7 @@ public final class BlockImporterTest {
       throw new IllegalStateException(ex);
     }
 
-    final PantheonController<?, ?> controller =
+    final PantheonController<?> controller =
         PantheonController.fromConfig(
             SynchronizerConfiguration.builder().build(),
             config,

pantheon/src/test/java/tech/pegasys/pantheon/util/BlockchainImporterTest.java

@@ -18,7 +18,6 @@ import static tech.pegasys.pantheon.controller.KeyPairUtil.loadKeyPair;
 import tech.pegasys.pantheon.controller.MainnetPantheonController;
 import tech.pegasys.pantheon.controller.PantheonController;
 import tech.pegasys.pantheon.crypto.SECP256K1.KeyPair;
-import tech.pegasys.pantheon.ethereum.blockcreation.EthHashBlockMiner;
 import tech.pegasys.pantheon.ethereum.chain.GenesisConfig;
 import tech.pegasys.pantheon.ethereum.core.MiningParameters;
 import tech.pegasys.pantheon.ethereum.core.MiningParametersTestBuilder;
@@ -66,7 +65,7 @@ public final class BlockchainImporterTest {
     final ProtocolSchedule<Void> protocolSchedule = MainnetProtocolSchedule.create();
     final MiningParameters miningParams = new MiningParametersTestBuilder().enabled(false).build();
     final GenesisConfig<Void> genesisConfig = GenesisConfig.fromJson(genesisJson, protocolSchedule);
-    final PantheonController<Void, EthHashBlockMiner> ctrl =
+    final PantheonController<Void> ctrl =
         MainnetPantheonController.init(
             target,
             genesisConfig,