copy existing labels from deposit utxos into badbank utxos if present

src/main/java/com/sparrowwallet/sparrow/net/ElectrumServer.java

@@ -744,6 +744,7 @@ public class ElectrumServer {
         if(!transactionOutputs.equals(node.getTransactionOutputs())) {
             node.updateTransactionOutputs(wallet, transactionOutputs);
             copyPostmixLabels(wallet, transactionOutputs);
+            copyBadbankLabels(wallet, transactionOutputs);
         }
     }
 
@@ -761,6 +762,21 @@ public class ElectrumServer {
         }
     }
 
+    public void copyBadbankLabels(Wallet wallet, Set<BlockTransactionHashIndex> newTransactionOutputs) {
+        if(wallet.getStandardAccountType() == StandardAccount.WHIRLPOOL_BADBANK && wallet.getMasterWallet() != null) {
+            Map<BlockTransactionHashIndex, WalletNode> masterWalletTxos = wallet.getMasterWallet().getWalletTxos();
+            for(BlockTransactionHashIndex newRef : newTransactionOutputs) {
+                BlockTransactionHashIndex prevRef = masterWalletTxos.keySet().stream()
+                        .filter(txo -> txo.isSpent() && txo.getSpentBy().getHash().equals(newRef.getHash()) && txo.getLabel() != null).findFirst().orElse(null);
+                if(prevRef != null) {
+                    if(newRef.getLabel() == null && prevRef.getLabel() != null) {
+                        newRef.setLabel("From " + prevRef.getLabel());
+                    }
+                }
+            }
+        }
+    }
+
     public Map<Sha256Hash, BlockTransaction> getReferencedTransactions(Set<Sha256Hash> references, String scriptHash) throws ServerException {
         Set<String> txids = new LinkedHashSet<>(references.size());
         for(Sha256Hash reference : references) {