fix a problem where the private world state is not found in GoQuorum mode (#2041)

* fix #2041

Signed-off-by: Joshua Fernandes <joshua.fernandes@consensys.net>

ethereum/core/src/main/java/org/hyperledger/besu/ethereum/goquorum/GoQuorumBlockValidator.java

@@ -61,7 +61,11 @@ public class GoQuorumBlockValidator extends MainnetBlockValidator {
   protected Result processBlock(
       final ProtocolContext context, final MutableWorldState worldState, final Block block) {
     final MutableWorldState privateWorldState =
-        getPrivateWorldState(goQuorumPrivateStorage, goQuorumWorldStateArchive, block.getHeader());
+        getPrivateWorldState(
+            goQuorumPrivateStorage,
+            goQuorumWorldStateArchive,
+            worldState.rootHash(),
+            block.getHash());
 
     return ((GoQuorumBlockProcessor) blockProcessor)
         .processBlock(context.getBlockchain(), worldState, privateWorldState, block);

ethereum/core/src/main/java/org/hyperledger/besu/ethereum/goquorum/GoQuorumPrivateStateUtil.java

@@ -37,15 +37,15 @@ public class GoQuorumPrivateStateUtil {
         goQuorumPrivacyParameters.orElseThrow().privateStorage();
     final WorldStateArchive goQuorumWorldStateArchive =
         goQuorumPrivacyParameters.orElseThrow().worldStateArchive();
-    return getPrivateWorldState(goQuorumPrivateStorage, goQuorumWorldStateArchive, header);
+    return getPrivateWorldState(
+        goQuorumPrivateStorage, goQuorumWorldStateArchive, header.getStateRoot(), header.getHash());
   }
 
   public static MutableWorldState getPrivateWorldState(
       final GoQuorumPrivateStorage goQuorumPrivateStorage,
       final WorldStateArchive goQuorumWorldStateArchive,
-      final BlockHeader header) {
-    final Hash worldStateRootHash = header.getStateRoot();
-    final Hash publicBlockHash = header.getHash();
+      final Hash worldStateRootHash,
+      final Hash publicBlockHash) {
     final Hash privateStateRootHash =
         goQuorumPrivateStorage
             .getPrivateStateRootHash(worldStateRootHash)