3&4 fixes for Payjoin (#2358)

* fix: update Payjoin transaction details list item type to `TransactionDetailsListItem`

* fix: add error handling for unrecoverable Payjoin sender sessions

* fix: centralize Payjoin connectivity error handling with `_isPayjoinConnectivityError` function

cw_bitcoin/lib/bitcoin_wallet_addresses.dart

@@ -57,6 +57,9 @@ abstract class BitcoinWalletAddressesBase extends ElectrumWalletAddresses with S
     return generateP2WPKHAddress(hd: hd, index: index, network: network);
   }
 
+  bool _isPayjoinConnectivityError(String error) =>
+      ["error sending request for url", "Instance of 'FfiIoError'"].any((e) => error.contains(e));
+
   @action
   Future<void> initPayjoin() async {
     try {
@@ -68,7 +71,7 @@ abstract class BitcoinWalletAddressesBase extends ElectrumWalletAddresses with S
     } catch (e) {
       printV(e);
       // Ignore Connectivity errors
-      if (!e.toString().contains("error sending request for url")) rethrow;
+      if (!_isPayjoinConnectivityError(e.toString())) rethrow;
     }
   }
 
@@ -82,7 +85,7 @@ abstract class BitcoinWalletAddressesBase extends ElectrumWalletAddresses with S
     } catch (e) {
       printV(e);
       // Ignore Connectivity errors
-      if (!e.toString().contains("error sending request for url")) rethrow;
+      if (!_isPayjoinConnectivityError(e.toString())) rethrow;
     }
   }
 }

cw_bitcoin/lib/payjoin/manager.dart

@@ -18,6 +18,7 @@ import 'package:payjoin_flutter/common.dart';
 import 'package:payjoin_flutter/receive.dart';
 import 'package:payjoin_flutter/send.dart';
 import 'package:payjoin_flutter/src/config.dart' as pj_config;
+import 'package:payjoin_flutter/src/generated/api.dart' as pj_api;
 import 'package:payjoin_flutter/uri.dart' as PayjoinUri;
 
 class PayjoinManager {
@@ -44,17 +45,21 @@ class PayjoinManager {
     final allSessions = _payjoinStorage.readAllOpenSessions(_wallet.id);
 
     final spawnedSessions = allSessions.map((session) {
-      if (session.isSenderSession) {
-        printV("Resuming Payjoin Sender Session ${session.pjUri!}");
-        return _spawnSender(
-          sender: Sender.fromJson(json: session.sender!),
-          pjUri: session.pjUri!,
-        );
+      try {
+        if (session.isSenderSession) {
+          printV("Resuming Payjoin Sender Session ${session.pjUri!}");
+          return _spawnSender(
+            sender: Sender.fromJson(json: session.sender!),
+            pjUri: session.pjUri!,
+          );
+        }
+        final receiver = Receiver.fromJson(json: session.receiver!);
+        printV("Resuming Payjoin Receiver Session ${receiver.id()}");
+        return spawnReceiver(receiver: receiver);
+      } on pj_api.FfiSerdeJsonError catch (_) {
+        _payjoinStorage.markSenderSessionUnrecoverable(session.pjUri!, "Outdated Session");
       }
-      final receiver = Receiver.fromJson(json: session.receiver!);
-      printV("Resuming Payjoin Receiver Session ${receiver.id()}");
-      return spawnReceiver(receiver: receiver);
-    });
+    }).nonNulls;
 
     printV("Resumed ${spawnedSessions.length} Payjoin Sessions");
     await Future.wait(spawnedSessions);

lib/view_model/payjoin_details_view_model.dart

@@ -27,7 +27,7 @@ abstract class PayjoinDetailsViewModelBase with Store {
     this.transactionInfo, {
     required this.payjoinSessionSource,
     required this.themeStore,
-  })  : items = ObservableList<StandartListItem>(),
+  })  : items = ObservableList<TransactionDetailsListItem>(),
         payjoinSession = payjoinSessionSource.get(payjoinSessionId)! {
     listener = payjoinSessionSource.watch().listen((e) {
       if (e.key == payjoinSessionId) _updateItems();