[Merge] Make Teku interop standalone node running with stubbed Execution Engine

ethereum/spec/src/main/java/tech/pegasys/teku/spec/SpecFactory.java

@@ -65,9 +65,6 @@ public static Spec create(final SpecConfig config) {
             .filter(epoch -> !epoch.equals(FAR_FUTURE_EPOCH));
     // Merge takes precedence in the prototype
     if (mergeForkEpoch.isPresent()) {
-      if (mergeForkEpoch.get().equals(UInt64.ZERO)) {
-        return Spec.createSinceGenesis(config, SpecMilestone.MERGE);
-      }
       return Spec.create(config, SpecMilestone.MERGE);
     }
 

ethereum/spec/src/main/java/tech/pegasys/teku/spec/logic/versions/merge/SpecLogicMerge.java

@@ -27,6 +27,7 @@
 import tech.pegasys.teku.spec.logic.common.util.ForkChoiceUtil;
 import tech.pegasys.teku.spec.logic.common.util.SyncCommitteeUtil;
 import tech.pegasys.teku.spec.logic.common.util.ValidatorsUtil;
+import tech.pegasys.teku.spec.logic.versions.altair.SpecLogicAltair;
 import tech.pegasys.teku.spec.logic.versions.altair.helpers.BeaconStateMutatorsAltair;
 import tech.pegasys.teku.spec.logic.versions.altair.statetransition.epoch.EpochProcessorAltair;
 import tech.pegasys.teku.spec.logic.versions.altair.statetransition.epoch.ValidatorStatusFactoryAltair;
@@ -41,6 +42,8 @@ public class SpecLogicMerge extends AbstractSpecLogic {
   private final ExecutionPayloadUtil executionPayloadUtil;
   private final MergeTransitionHelpers mergeTransitionHelpers;
 
+  private final SpecLogicAltair specLogicAltair;
+
   private SpecLogicMerge(
       final Predicates predicates,
       final MiscHelpersMerge miscHelpers,
@@ -58,7 +61,8 @@ private SpecLogicMerge(
       final BlockProposalUtil blockProposalUtil,
       final ExecutionPayloadUtil executionPayloadUtil,
       final MergeTransitionHelpers mergeTransitionHelpers,
-      final MergeStateUpgrade stateUpgrade) {
+      final MergeStateUpgrade stateUpgrade,
+      final SpecLogicAltair specLogicAltair) {
     super(
         predicates,
         miscHelpers,
@@ -77,6 +81,7 @@ private SpecLogicMerge(
         Optional.of(stateUpgrade));
     this.executionPayloadUtil = executionPayloadUtil;
     this.mergeTransitionHelpers = mergeTransitionHelpers;
+    this.specLogicAltair = specLogicAltair;
   }
 
   public static SpecLogicMerge create(
@@ -151,6 +156,8 @@ public static SpecLogicMerge create(
     final MergeStateUpgrade stateUpgrade =
         new MergeStateUpgrade(config, schemaDefinitions, beaconStateAccessors);
 
+    final SpecLogicAltair specLogicAltair = SpecLogicAltair.create(config, schemaDefinitions);
+
     return new SpecLogicMerge(
         predicates,
         miscHelpers,
@@ -168,12 +175,13 @@ public static SpecLogicMerge create(
         blockProposalUtil,
         executionPayloadUtil,
         mergeTransitionHelpers,
-        stateUpgrade);
+        stateUpgrade,
+        specLogicAltair);
   }
 
   @Override
   public Optional<SyncCommitteeUtil> getSyncCommitteeUtil() {
-    return Optional.empty();
+    return specLogicAltair.getSyncCommitteeUtil();
   }
 
   @Override

services/powchain/src/main/java/tech/pegasys/teku/services/powchain/execution/ExecutionEngineChannelImpl.java

@@ -110,7 +110,7 @@ public SafeFuture<ExecutionPayloadStatus> executePayload(
         .thenPeek(
             res ->
                 printConsole(
-                    "Failed consensus_newBlock(execution_payload=%s), reason: %s",
+                    "engine_executePayload(execution_payload=%s), result: %s",
                     executionPayload, res));
   }
 

services/powchain/src/main/java/tech/pegasys/teku/services/powchain/execution/client/ExecutionEngineClient.java

@@ -78,9 +78,9 @@ public SafeFuture<Response<ExecutionPayload>> getPayload(UInt64 payloadId) {
                       Bytes32.ZERO,
                       Bytes32.ZERO,
                       ZERO_LOGS_BLOOM,
-                      Bytes32.ZERO,
+                      preparePayloadRequest.random,
                       number,
-                      UInt64.ZERO,
+                      UInt64.valueOf(30_000_000),
                       UInt64.ZERO,
                       preparePayloadRequest.timestamp,
                       ZERO_EXTRA_DATA,

services/powchain/src/main/java/tech/pegasys/teku/services/powchain/execution/client/schema/ExecutePayloadResponse.java

@@ -23,7 +23,7 @@ public class ExecutePayloadResponse {
 
   public ExecutePayloadResponse(@JsonProperty("status") String status) {
     try {
-      ExecutionPayloadStatus.valueOf(status);
+      this.status = ExecutionPayloadStatus.valueOf(status);
     } catch (IllegalArgumentException e) {
       throw new RuntimeException("Invalid status field received: " + status);
     }

teku/src/main/java/tech/pegasys/teku/cli/options/MinimalEth2NetworkOptions.java

@@ -15,6 +15,7 @@
 
 import picocli.CommandLine.Option;
 import tech.pegasys.teku.config.TekuConfiguration;
+import tech.pegasys.teku.infrastructure.unsigned.UInt64;
 import tech.pegasys.teku.networks.Eth2NetworkConfiguration;
 import tech.pegasys.teku.spec.Spec;
 
@@ -27,6 +28,20 @@ public class MinimalEth2NetworkOptions {
       arity = "1")
   private String network = "mainnet";
 
+  @Option(
+      names = {"--Xnetwork-altair-fork-epoch"},
+      paramLabel = "<EPOCH>",
+      description = "Altair fork first epoch",
+      arity = "1")
+  private long altairForkEpoch = -1;
+
+  @Option(
+      names = {"--Xnetwork-merge-fork-epoch"},
+      paramLabel = "<EPOCH>",
+      description = "Merge fork first epoch",
+      arity = "1")
+  private long mergeForkEpoch = -1;
+
   public void configure(final TekuConfiguration.Builder builder) {
     builder.eth2NetworkConfig(b -> b.applyNetworkDefaults(network));
   }
@@ -36,6 +51,9 @@ public Spec getSpec() {
   }
 
   private Eth2NetworkConfiguration getConfig() {
-    return Eth2NetworkConfiguration.builder(network).build();
+    return Eth2NetworkConfiguration.builder(network)
+        .mergeForkEpoch(UInt64.fromLongBits(mergeForkEpoch))
+        .altairForkEpoch(UInt64.fromLongBits(altairForkEpoch))
+        .build();
   }
 }

validator/coordinator/src/main/java/tech/pegasys/teku/validator/coordinator/BlockFactory.java

@@ -101,16 +101,18 @@ public BlockFactory(
             10); // TODO check if makes sense to remember payloadId for the latest 10 slots
   }
 
-  public void prepareExecutionPayload(final Optional<BeaconState> maybeCurrentSlotState) {
+  public void prepareExecutionPayload(
+      final Optional<BeaconState> maybeCurrentSlotState, UInt64 targetSlot) {
     maybeCurrentSlotState.ifPresent(
         currentSlotState -> {
-          Optional<PreparePayloadReference> maybeRef = prepareExecutionPayloadRef(currentSlotState);
-          slotToPayloadIdMap.invalidateWithNewValue(currentSlotState.getSlot(), maybeRef);
+          Optional<PreparePayloadReference> maybeRef =
+              prepareExecutionPayloadRef(currentSlotState, targetSlot);
+          slotToPayloadIdMap.invalidateWithNewValue(targetSlot, maybeRef);
         });
   }
 
   private Optional<PreparePayloadReference> prepareExecutionPayloadRef(
-      final BeaconState currentSlotState) {
+      final BeaconState currentSlotState, UInt64 targetSlot) {
     final Optional<BeaconStateMerge> maybeCurrentMergeState = currentSlotState.toVersionMerge();
 
     if (maybeCurrentMergeState.isEmpty()) {
@@ -121,7 +123,7 @@ private Optional<PreparePayloadReference> prepareExecutionPayloadRef(
 
     final UInt64 slot = currentMergeState.getSlot();
     final UInt64 epoch = spec.computeEpochAtSlot(slot);
-    final UInt64 timestamp = spec.computeTimeAtSlot(currentMergeState, slot);
+    final UInt64 timestamp = spec.computeTimeAtSlot(currentMergeState, targetSlot);
     final Bytes32 random =
         spec.atEpoch(epoch).beaconStateAccessors().getRandaoMix(currentMergeState, epoch);
 

validator/coordinator/src/main/java/tech/pegasys/teku/validator/coordinator/ValidatorApiHandler.java

@@ -268,7 +268,7 @@ public SafeFuture<Void> prepareExecutionPayload(UInt64 preparingSlot) {
 
     return currentSlotStateFuture.thenApply(
         preState -> {
-          blockFactory.prepareExecutionPayload(preState);
+          blockFactory.prepareExecutionPayload(preState, preparingSlot);
           return null;
         });
   }