Provide user-friendly message when initial state is incompatible (#7976)

Consensys · Feb 13, 2024 · c2f3aec · c2f3aec
1 parent 1f61f24
commit c2f3aec
Show file tree

Hide file tree

Showing 2 changed files with 14 additions and 0 deletions.
diff --git a/...tructure/logging/src/main/java/tech/pegasys/teku/infrastructure/logging/StatusLogger.java b/...tructure/logging/src/main/java/tech/pegasys/teku/infrastructure/logging/StatusLogger.java
@@ -322,6 +322,15 @@ public void loadedInitialStateResource(
     }
   }
 
+  public void errorIncompatibleInitialState(final UInt64 epoch) {
+    log.error(
+        "Cannot start with provided initial state for the epoch {}, "
+            + "checkpoint occurred on the empty slot, which is not yet supported.\n"
+            + "If you are using remote checkpoint source, "
+            + "please wait for the next epoch to finalize and retry.",
+        epoch);
+  }
+
   public void warnInitialStateIgnored() {
     log.warn("Not loading specified initial state as chain data already exists.");
   }

diff --git a/...ain/src/main/java/tech/pegasys/teku/services/beaconchain/WeakSubjectivityInitializer.java b/...ain/src/main/java/tech/pegasys/teku/services/beaconchain/WeakSubjectivityInitializer.java
@@ -13,6 +13,7 @@
 
 package tech.pegasys.teku.services.beaconchain;
 
+import static tech.pegasys.teku.infrastructure.exceptions.ExitConstants.ERROR_EXIT_CODE;
 import static tech.pegasys.teku.infrastructure.logging.StatusLogger.STATUS_LOG;
 import static tech.pegasys.teku.networks.Eth2NetworkConfiguration.FINALIZED_STATE_URL_PATH;
 
@@ -85,6 +86,10 @@ private AnchorPoint getAnchorPoint(Spec spec, String stateResource, String sanit
       throws IOException {
     STATUS_LOG.loadingInitialStateResource(sanitizedResource);
     final BeaconState state = ChainDataLoader.loadState(spec, stateResource);
+    if (state.getSlot().isGreaterThan(state.getLatestBlockHeader().getSlot())) {
+      STATUS_LOG.errorIncompatibleInitialState(spec.computeEpochAtSlot(state.getSlot()));
+      System.exit(ERROR_EXIT_CODE);
+    }
     final AnchorPoint anchor = AnchorPoint.fromInitialState(spec, state);
     STATUS_LOG.loadedInitialStateResource(
         state.hashTreeRoot(),