Add optional withdrawals to the NewPayload log (hyperledger#5021)

Signed-off-by: Simon Dudley <simon.dudley@consensys.net>

ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/AbstractEngineNewPayload.java

@@ -55,6 +55,7 @@
 import org.hyperledger.besu.ethereum.trie.MerkleTrieException;
 import org.hyperledger.besu.plugin.services.exception.StorageException;
 
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import java.util.Optional;
@@ -320,16 +321,24 @@ protected EngineStatus getInvalidBlockHashStatus() {
   }
 
   private void logImportedBlockInfo(final Block block, final double timeInS) {
-    LOG.info(
-        String.format(
-            "Imported #%,d / %d tx / base fee %s / %,d (%01.1f%%) gas / (%s) in %01.3fs. Peers: %d",
-            block.getHeader().getNumber(),
-            block.getBody().getTransactions().size(),
+    final StringBuilder message = new StringBuilder();
+    message.append("Imported #%,d / %d tx");
+    final List<Object> messageArgs =
+        new ArrayList<>(
+            List.of(block.getHeader().getNumber(), block.getBody().getTransactions().size()));
+    if (block.getBody().getWithdrawals().isPresent()) {
+      message.append(" / %d ws");
+      messageArgs.add(block.getBody().getWithdrawals().get().size());
+    }
+    message.append(" / base fee %s / %,d (%01.1f%%) gas / (%s) in %01.3fs. Peers: %d");
+    messageArgs.addAll(
+        List.of(
             block.getHeader().getBaseFee().map(Wei::toHumanReadableString).orElse("N/A"),
             block.getHeader().getGasUsed(),
             (block.getHeader().getGasUsed() * 100.0) / block.getHeader().getGasLimit(),
             block.getHash().toHexString(),
             timeInS,
             ethPeers.peerCount()));
+    LOG.info(String.format(message.toString(), messageArgs.toArray()));
   }
 }