allow any linked paynym contact to be renamed

src/main/java/com/sparrowwallet/sparrow/control/PayNymCell.java

@@ -89,7 +89,7 @@ public class PayNymCell extends ListCell<PayNym> {
             setText(null);
             setGraphic(pane);
 
-            if(payNymController != null && payNym.nymId() == null) {
+            if(payNymController != null && payNymController.isLinked(payNym)) {
                 setContextMenu(new PayNymCellContextMenu(payNym));
             } else {
                 setContextMenu(null);

src/main/java/com/sparrowwallet/sparrow/paynym/PayNym.java

@@ -84,14 +84,23 @@ public class PayNym {
 
         PaymentCode externalPaymentCode = bip47Wallet.getKeystores().get(0).getExternalPaymentCode();
         String nymName = externalPaymentCode.toAbbreviatedString();
+        String walletNymName = getNymName(bip47Wallet);
+        if(walletNymName != null) {
+            nymName = walletNymName;
+        }
+
+        boolean segwit = bip47Wallet.getScriptType() != ScriptType.P2PKH;
+        return new PayNym(externalPaymentCode, null, nymName, segwit, Collections.emptyList(), Collections.emptyList());
+    }
+
+    public static String getNymName(Wallet bip47Wallet) {
         if(bip47Wallet.getLabel() != null) {
             String suffix = " " + bip47Wallet.getScriptType().getName();
             if(bip47Wallet.getLabel().endsWith(suffix)) {
-                nymName = bip47Wallet.getLabel().substring(0, bip47Wallet.getLabel().length() - suffix.length());
+                return bip47Wallet.getLabel().substring(0, bip47Wallet.getLabel().length() - suffix.length());
             }
         }
 
-        boolean segwit = bip47Wallet.getScriptType() != ScriptType.P2PKH;
+        return null;
-        return new PayNym(externalPaymentCode, null, nymName, segwit, Collections.emptyList(), Collections.emptyList());
     }
 }

src/main/java/com/sparrowwallet/sparrow/paynym/PayNymController.java

@@ -317,25 +317,24 @@ public class PayNymController {
             followingPayNyms.addAll(walletPayNym.following());
         }
 
-        Map<PaymentCode, PayNym> followingPayNymMap = followingPayNyms.stream().collect(Collectors.toMap(PayNym::paymentCode, Function.identity()));
+        Map<PaymentCode, PayNym> payNymMap = followingPayNyms.stream().collect(Collectors.toMap(PayNym::paymentCode, Function.identity(), (u, v) -> u, LinkedHashMap::new));
-        followingPayNyms.addAll(getExistingWalletPayNyms(followingPayNymMap));
+        followingList.setItems(FXCollections.observableList(getExistingWalletPayNyms(payNymMap)));
-        followingList.setItems(FXCollections.observableList(followingPayNyms));
     }
 
-    private List<PayNym> getExistingWalletPayNyms(Map<PaymentCode, PayNym> followingPayNymMap) {
+    private List<PayNym> getExistingWalletPayNyms(Map<PaymentCode, PayNym> payNymMap) {
-        Map<PaymentCode, PayNym> existingPayNyms = new LinkedHashMap<>();
         List<Wallet> childWallets = new ArrayList<>(getMasterWallet().getChildWallets());
         childWallets.sort(Comparator.comparingInt(o -> -o.getScriptType().ordinal()));
         for(Wallet childWallet : childWallets) {
             if(childWallet.isBip47()) {
                 PaymentCode externalPaymentCode = childWallet.getKeystores().get(0).getExternalPaymentCode();
-                if(!existingPayNyms.containsKey(externalPaymentCode) && !followingPayNymMap.containsKey(externalPaymentCode)) {
+                String walletNymName = PayNym.getNymName(childWallet);
-                    existingPayNyms.put(externalPaymentCode, PayNym.fromWallet(childWallet));
+                if(payNymMap.get(externalPaymentCode) == null || (walletNymName != null && !walletNymName.equals(payNymMap.get(externalPaymentCode).nymName()))) {
+                    payNymMap.put(externalPaymentCode, PayNym.fromWallet(childWallet));
                 }
             }
         }
 
-        return new ArrayList<>(existingPayNyms.values());
+        return new ArrayList<>(payNymMap.values());
     }
 
     private void addWalletIfNotificationTransactionPresent(List<PayNym> following) {