check if block is imported successfully before moving worldstate head (#8447)

Signed-off-by: Sally MacFarlane <macfarla.github@gmail.com>

Author: macfarla

ethereum/core/src/main/java/org/hyperledger/besu/ethereum/mainnet/MainnetBlockImporter.java

@@ -20,6 +20,7 @@
 import org.hyperledger.besu.ethereum.core.BlockImporter;
 import org.hyperledger.besu.ethereum.core.TransactionReceipt;
 import org.hyperledger.besu.ethereum.mainnet.BlockImportResult.BlockImportStatus;
+import org.hyperledger.besu.ethereum.trie.pathbased.common.provider.WorldStateQueryParams;
 
 import java.util.List;
 
@@ -43,14 +44,24 @@ public synchronized BlockImportResult importBlock(
 
     final var result =
         blockValidator.validateAndProcessBlock(
-            context, block, headerValidationMode, ommerValidationMode);
+            context, block, headerValidationMode, ommerValidationMode, false);
 
     if (result.isSuccessful()) {
       result
           .getYield()
           .ifPresent(
-              processingOutputs ->
-                  context.getBlockchain().appendBlock(block, processingOutputs.getReceipts()));
+              processingOutputs -> {
+                context.getBlockchain().appendBlock(block, processingOutputs.getReceipts());
+
+                // move the head worldstate if block processing was successful:
+                context
+                    .getWorldStateArchive()
+                    .getWorldState(
+                        WorldStateQueryParams.newBuilder()
+                            .withBlockHeader(block.getHeader())
+                            .withShouldWorldStateUpdateHead(true)
+                            .build());
+              });
     }
 
     return new BlockImportResult(result.isSuccessful());