Minor refactorings of IntegrationTest infrastructure

consensus/ibft/src/integration-test/java/tech/pegasys/pantheon/consensus/ibft/support/TestHelpers.java → consensus/ibft/src/integration-test/java/tech/pegasys/pantheon/consensus/ibft/support/IntegrationTestHelpers.java

@@ -15,24 +15,19 @@
 import tech.pegasys.pantheon.consensus.ibft.ConsensusRoundIdentifier;
 import tech.pegasys.pantheon.consensus.ibft.IbftBlockHashing;
 import tech.pegasys.pantheon.consensus.ibft.IbftExtraData;
-import tech.pegasys.pantheon.consensus.ibft.messagewrappers.NewRound;
 import tech.pegasys.pantheon.consensus.ibft.messagewrappers.Prepare;
-import tech.pegasys.pantheon.consensus.ibft.messagewrappers.Proposal;
 import tech.pegasys.pantheon.consensus.ibft.payload.CommitPayload;
 import tech.pegasys.pantheon.consensus.ibft.payload.MessageFactory;
-import tech.pegasys.pantheon.consensus.ibft.payload.RoundChangeCertificate;
-import tech.pegasys.pantheon.consensus.ibft.payload.RoundChangePayload;
 import tech.pegasys.pantheon.consensus.ibft.payload.SignedData;
 import tech.pegasys.pantheon.consensus.ibft.statemachine.PreparedRoundArtifacts;
 import tech.pegasys.pantheon.crypto.SECP256K1;
 import tech.pegasys.pantheon.crypto.SECP256K1.KeyPair;
 import tech.pegasys.pantheon.crypto.SECP256K1.Signature;
 import tech.pegasys.pantheon.ethereum.core.Block;
 
-import java.util.List;
 import java.util.stream.Collectors;
 
-public class TestHelpers {
+public class IntegrationTestHelpers {
 
   public static SignedData<CommitPayload> createSignedCommitPayload(
       final ConsensusRoundIdentifier roundId, final Block block, final KeyPair signingKeyPair) {
@@ -61,19 +56,4 @@ public static PreparedRoundArtifacts createValidPreparedRoundArtifacts(
             .map(Prepare::new)
             .collect(Collectors.toList()));
   }
-
-  public static NewRound injectEmptyNewRound(
-      final ConsensusRoundIdentifier targetRoundId,
-      final ValidatorPeer proposer,
-      final List<SignedData<RoundChangePayload>> roundChangePayloads,
-      final Block blockToPropose) {
-
-    final Proposal proposal =
-        proposer.getMessageFactory().createProposal(targetRoundId, blockToPropose);
-
-    return proposer.injectNewRound(
-        targetRoundId,
-        new RoundChangeCertificate(roundChangePayloads),
-        proposal.getSignedPayload());
-  }
 }

consensus/ibft/src/integration-test/java/tech/pegasys/pantheon/consensus/ibft/support/ValidatorPeer.java

@@ -26,8 +26,8 @@
 import tech.pegasys.pantheon.consensus.ibft.messagewrappers.Proposal;
 import tech.pegasys.pantheon.consensus.ibft.messagewrappers.RoundChange;
 import tech.pegasys.pantheon.consensus.ibft.payload.MessageFactory;
-import tech.pegasys.pantheon.consensus.ibft.payload.ProposalPayload;
 import tech.pegasys.pantheon.consensus.ibft.payload.RoundChangeCertificate;
+import tech.pegasys.pantheon.consensus.ibft.payload.RoundChangePayload;
 import tech.pegasys.pantheon.consensus.ibft.payload.SignedData;
 import tech.pegasys.pantheon.consensus.ibft.statemachine.PreparedRoundArtifacts;
 import tech.pegasys.pantheon.crypto.SECP256K1;
@@ -111,14 +111,24 @@ public Commit injectCommit(
   public NewRound injectNewRound(
       final ConsensusRoundIdentifier rId,
       final RoundChangeCertificate roundChangeCertificate,
-      final SignedData<ProposalPayload> proposalPayload) {
+      final Proposal proposal) {
 
     final NewRound payload =
-        messageFactory.createNewRound(rId, roundChangeCertificate, proposalPayload);
+        messageFactory.createNewRound(rId, roundChangeCertificate, proposal.getSignedPayload());
     injectMessage(NewRoundMessageData.create(payload));
     return payload;
   }
 
+  public NewRound injectEmptyNewRound(
+      final ConsensusRoundIdentifier targetRoundId,
+      final List<SignedData<RoundChangePayload>> roundChangePayloads,
+      final Block blockToPropose) {
+
+    final Proposal proposal = messageFactory.createProposal(targetRoundId, blockToPropose);
+
+    return injectNewRound(targetRoundId, new RoundChangeCertificate(roundChangePayloads), proposal);
+  }
+
   public RoundChange injectRoundChange(
       final ConsensusRoundIdentifier rId,
       final Optional<PreparedRoundArtifacts> preparedRoundArtifacts) {

consensus/ibft/src/integration-test/java/tech/pegasys/pantheon/consensus/ibft/tests/FutureHeightTest.java

@@ -14,7 +14,7 @@
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.util.Lists.emptyList;
-import static tech.pegasys.pantheon.consensus.ibft.support.TestHelpers.createSignedCommitPayload;
+import static tech.pegasys.pantheon.consensus.ibft.support.IntegrationTestHelpers.createSignedCommitPayload;
 
 import tech.pegasys.pantheon.consensus.ibft.ConsensusRoundIdentifier;
 import tech.pegasys.pantheon.consensus.ibft.IbftHelpers;

consensus/ibft/src/integration-test/java/tech/pegasys/pantheon/consensus/ibft/tests/FutureRoundTest.java

@@ -13,7 +13,6 @@
 package tech.pegasys.pantheon.consensus.ibft.tests;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static tech.pegasys.pantheon.consensus.ibft.support.TestHelpers.injectEmptyNewRound;
 
 import tech.pegasys.pantheon.consensus.ibft.ConsensusRoundIdentifier;
 import tech.pegasys.pantheon.consensus.ibft.IbftHelpers;
@@ -92,11 +91,10 @@ public void messagesForFutureRoundAreNotActionedUntilRoundIsActive() {
 
     // inject a newRound to move to 'futureRoundId', and ensure localnode sends prepare, commit
     // and updates blockchain
-    injectEmptyNewRound(
-        futureRoundId,
-        futurePeers.getProposer(),
-        futurePeers.createSignedRoundChangePayload(futureRoundId),
-        futureBlock);
+    futurePeers
+        .getProposer()
+        .injectEmptyNewRound(
+            futureRoundId, futurePeers.createSignedRoundChangePayload(futureRoundId), futureBlock);
 
     final Prepare expectedPrepare =
         localNodeMessageFactory.createPrepare(futureRoundId, futureBlock.getHash());
@@ -136,11 +134,10 @@ public void priorRoundsCannotBeCompletedAfterReceptionOfNewRound() {
 
     peers.clearReceivedMessages();
 
-    injectEmptyNewRound(
-        futureRoundId,
-        futurePeers.getProposer(),
-        futurePeers.createSignedRoundChangePayload(futureRoundId),
-        futureBlock);
+    futurePeers
+        .getProposer()
+        .injectEmptyNewRound(
+            futureRoundId, futurePeers.createSignedRoundChangePayload(futureRoundId), futureBlock);
 
     final Prepare expectedFuturePrepare =
         localNodeMessageFactory.createPrepare(futureRoundId, futureBlock.getHash());

consensus/ibft/src/integration-test/java/tech/pegasys/pantheon/consensus/ibft/tests/GossipTest.java

@@ -93,8 +93,7 @@ public void gossipMessagesToPeers() {
     final RoundChange roundChange = msgFactory.createRoundChange(roundId, Optional.empty());
     final RoundChangeCertificate roundChangeCert =
         new RoundChangeCertificate(singleton(roundChange.getSignedPayload()));
-    final NewRound newRound =
-        sender.injectNewRound(roundId, roundChangeCert, proposal.getSignedPayload());
+    final NewRound newRound = sender.injectNewRound(roundId, roundChangeCert, proposal);
     peers.verifyMessagesReceivedNonPropsing(newRound);
     peers.verifyNoMessagesReceivedProposer();
 

consensus/ibft/src/integration-test/java/tech/pegasys/pantheon/consensus/ibft/tests/LocalNodeIsProposerTest.java

@@ -13,7 +13,7 @@
 package tech.pegasys.pantheon.consensus.ibft.tests;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static tech.pegasys.pantheon.consensus.ibft.support.TestHelpers.createSignedCommitPayload;
+import static tech.pegasys.pantheon.consensus.ibft.support.IntegrationTestHelpers.createSignedCommitPayload;
 
 import tech.pegasys.pantheon.consensus.ibft.ConsensusRoundIdentifier;
 import tech.pegasys.pantheon.consensus.ibft.ibftevent.BlockTimerExpiry;

consensus/ibft/src/integration-test/java/tech/pegasys/pantheon/consensus/ibft/tests/LocalNodeNotProposerTest.java

@@ -13,7 +13,7 @@
 package tech.pegasys.pantheon.consensus.ibft.tests;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static tech.pegasys.pantheon.consensus.ibft.support.TestHelpers.createSignedCommitPayload;
+import static tech.pegasys.pantheon.consensus.ibft.support.IntegrationTestHelpers.createSignedCommitPayload;
 
 import tech.pegasys.pantheon.consensus.ibft.ConsensusRoundIdentifier;
 import tech.pegasys.pantheon.consensus.ibft.messagewrappers.Commit;

consensus/ibft/src/integration-test/java/tech/pegasys/pantheon/consensus/ibft/tests/ReceivedNewRoundTest.java

@@ -12,7 +12,7 @@
  */
 package tech.pegasys.pantheon.consensus.ibft.tests;
 
-import static tech.pegasys.pantheon.consensus.ibft.support.TestHelpers.createValidPreparedRoundArtifacts;
+import static tech.pegasys.pantheon.consensus.ibft.support.IntegrationTestHelpers.createValidPreparedRoundArtifacts;
 
 import tech.pegasys.pantheon.consensus.ibft.ConsensusRoundIdentifier;
 import tech.pegasys.pantheon.consensus.ibft.messagewrappers.Commit;
@@ -23,10 +23,10 @@
 import tech.pegasys.pantheon.consensus.ibft.payload.RoundChangePayload;
 import tech.pegasys.pantheon.consensus.ibft.payload.SignedData;
 import tech.pegasys.pantheon.consensus.ibft.statemachine.PreparedRoundArtifacts;
+import tech.pegasys.pantheon.consensus.ibft.support.IntegrationTestHelpers;
 import tech.pegasys.pantheon.consensus.ibft.support.RoundSpecificPeers;
 import tech.pegasys.pantheon.consensus.ibft.support.TestContext;
 import tech.pegasys.pantheon.consensus.ibft.support.TestContextBuilder;
-import tech.pegasys.pantheon.consensus.ibft.support.TestHelpers;
 import tech.pegasys.pantheon.consensus.ibft.support.ValidatorPeer;
 import tech.pegasys.pantheon.ethereum.core.Block;
 
@@ -71,10 +71,7 @@ public void newRoundMessageWithEmptyPrepareCertificatesOfferNewBlock() {
     nextProposer.injectNewRound(
         targetRound,
         new RoundChangeCertificate(roundChanges),
-        nextProposer
-            .getMessageFactory()
-            .createProposal(targetRound, blockToPropose)
-            .getSignedPayload());
+        nextProposer.getMessageFactory().createProposal(targetRound, blockToPropose));
 
     final Prepare expectedPrepare =
         localNodeMessageFactory.createPrepare(targetRound, blockToPropose.getHash());
@@ -97,10 +94,7 @@ public void newRoundMessageFromIllegalSenderIsDiscardedAndNoPrepareForNewRoundIs
     illegalProposer.injectNewRound(
         nextRoundId,
         new RoundChangeCertificate(roundChanges),
-        illegalProposer
-            .getMessageFactory()
-            .createProposal(nextRoundId, blockToPropose)
-            .getSignedPayload());
+        illegalProposer.getMessageFactory().createProposal(nextRoundId, blockToPropose));
 
     peers.verifyNoMessagesReceived();
   }
@@ -122,11 +116,7 @@ public void newRoundWithPrepareCertificateResultsInNewRoundStartingWithExpectedB
     nextProposer.injectNewRound(
         nextRoundId,
         new RoundChangeCertificate(roundChanges),
-        peers
-            .getNonProposing(0)
-            .getMessageFactory()
-            .createProposal(nextRoundId, reproposedBlock)
-            .getSignedPayload());
+        peers.getNonProposing(0).getMessageFactory().createProposal(nextRoundId, reproposedBlock));
 
     peers.verifyMessagesReceived(
         localNodeMessageFactory.createPrepare(nextRoundId, reproposedBlock.getHash()));
@@ -152,7 +142,7 @@ public void newRoundMessageForPriorRoundIsNotActioned() {
             .createProposal(interimRound, context.createBlockForProposalFromChainHead(1, 30));
 
     interimRoundProposer.injectNewRound(
-        interimRound, new RoundChangeCertificate(roundChangePayloads), proposal.getSignedPayload());
+        interimRound, new RoundChangeCertificate(roundChangePayloads), proposal);
 
     peers.verifyNoMessagesReceived();
   }
@@ -175,11 +165,7 @@ public void receiveRoundStateIsNotLostIfASecondNewRoundMessageIsReceivedForCurre
     nextProposer.injectNewRound(
         nextRoundId,
         new RoundChangeCertificate(roundChanges),
-        peers
-            .getNonProposing(0)
-            .getMessageFactory()
-            .createProposal(nextRoundId, reproposedBlock)
-            .getSignedPayload());
+        peers.getNonProposing(0).getMessageFactory().createProposal(nextRoundId, reproposedBlock));
 
     peers.verifyMessagesReceived(
         localNodeMessageFactory.createPrepare(nextRoundId, reproposedBlock.getHash()));
@@ -191,19 +177,15 @@ public void receiveRoundStateIsNotLostIfASecondNewRoundMessageIsReceivedForCurre
     nextProposer.injectNewRound(
         nextRoundId,
         new RoundChangeCertificate(roundChanges),
-        peers
-            .getNonProposing(0)
-            .getMessageFactory()
-            .createProposal(nextRoundId, reproposedBlock)
-            .getSignedPayload());
+        peers.getNonProposing(0).getMessageFactory().createProposal(nextRoundId, reproposedBlock));
 
     peers.verifyNoMessagesReceived();
 
     nextRoles.getNonProposing(1).injectPrepare(nextRoundId, reproposedBlock.getHash());
 
     final Commit expectedCommit =
         new Commit(
-            TestHelpers.createSignedCommitPayload(
+            IntegrationTestHelpers.createSignedCommitPayload(
                 nextRoundId, reproposedBlock, context.getLocalNodeParams().getNodeKeyPair()));
 
     peers.verifyMessagesReceived(expectedCommit);

consensus/ibft/src/integration-test/java/tech/pegasys/pantheon/consensus/ibft/tests/RoundChangeTest.java

@@ -14,7 +14,7 @@
 
 import static java.util.Collections.emptyList;
 import static java.util.Optional.empty;
-import static tech.pegasys.pantheon.consensus.ibft.support.TestHelpers.createValidPreparedRoundArtifacts;
+import static tech.pegasys.pantheon.consensus.ibft.support.IntegrationTestHelpers.createValidPreparedRoundArtifacts;
 
 import tech.pegasys.pantheon.consensus.ibft.ConsensusRoundIdentifier;
 import tech.pegasys.pantheon.consensus.ibft.IbftHelpers;

consensus/ibft/src/integration-test/java/tech/pegasys/pantheon/consensus/ibft/tests/SpuriousBehaviourTest.java

@@ -13,7 +13,7 @@
 package tech.pegasys.pantheon.consensus.ibft.tests;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static tech.pegasys.pantheon.consensus.ibft.support.TestHelpers.createSignedCommitPayload;
+import static tech.pegasys.pantheon.consensus.ibft.support.IntegrationTestHelpers.createSignedCommitPayload;
 
 import tech.pegasys.pantheon.consensus.ibft.ConsensusRoundIdentifier;
 import tech.pegasys.pantheon.consensus.ibft.messagedata.IbftV2;