CW-873 automatically export outputs

cw_monero/lib/api/wallet.dart

@@ -126,8 +126,10 @@ Future<bool> setupNodeSync(
 
   if (status != 0) {
     final error = monero.Wallet_errorString(wptr!);
-    printV("error: $error");
-    throw SetupWalletException(message: error);
+    if (error != "no tx keys found for this txid") {
+      printV("error: $error");
+      throw SetupWalletException(message: error);
+    }
   }
 
   if (kDebugMode) {

cw_monero/lib/monero_wallet.dart

@@ -265,6 +265,14 @@ abstract class MoneroWalletBase extends WalletBase<MoneroBalance,
     return str;
   }
 
+  bool needExportOutputs(int amount) {
+    // viewOnlyBalance - balance that we can spend
+    // TODO(mrcyjanek): remove hasUnknownKeyImages when we cleanup coin control
+    return (monero.Wallet_viewOnlyBalance(wptr!,
+                accountIndex: walletAddresses.account!.id) < amount) ||
+              monero.Wallet_hasUnknownKeyImages(wptr!);
+  }
+
   @override
   Future<PendingTransaction> createTransaction(Object credentials) async {
     final _credentials = credentials as MoneroTransactionCreationCredentials;

lib/monero/cw_monero.dart

@@ -391,6 +391,12 @@ class CWMonero extends Monero {
     return moneroWallet.exportOutputsUR(all);
   }
 
+  @override
+  bool needExportOutputs(Object wallet, int amount) {
+    final moneroWallet = wallet as MoneroWallet;
+    return moneroWallet.needExportOutputs(amount);
+  }
+
   @override
   void monerocCheck() {
     checkIfMoneroCIsFine();

lib/src/screens/send/send_page.dart

@@ -4,6 +4,7 @@ import 'package:cake_wallet/entities/contact_record.dart';
 import 'package:cake_wallet/core/execution_state.dart';
 import 'package:cake_wallet/entities/fiat_currency.dart';
 import 'package:cake_wallet/entities/template.dart';
+import 'package:cake_wallet/monero/monero.dart';
 import 'package:cake_wallet/reactions/wallet_connect.dart';
 import 'package:cake_wallet/generated/i18n.dart';
 import 'package:cake_wallet/routes.dart';
@@ -412,6 +413,20 @@ class SendPage extends BasePage {
                           }
                         }
 
+                        if (sendViewModel.wallet.type == WalletType.monero) {
+                          int amount = 0;
+                          for (var item in sendViewModel.outputs) {
+                            amount += item.formattedCryptoAmount;
+                          }
+                          if (monero!.needExportOutputs(sendViewModel.wallet, amount)) {
+                            await Navigator.of(context).pushNamed(Routes.urqrAnimatedPage, arguments: 'export-outputs');
+                            await Future.delayed(Duration(seconds: 1)); // wait for monero to refresh the state
+                          }
+                          if (monero!.needExportOutputs(sendViewModel.wallet, amount)) {
+                            return;
+                          }
+                        }
+
                         final check = sendViewModel.shouldDisplayTotp();
                         authService.authenticateAction(
                           context,

tool/configure.dart

@@ -387,6 +387,8 @@ abstract class Monero {
 
   String exportOutputsUR(Object wallet, bool all);
 
+  bool needExportOutputs(Object wallet, int amount);
+
   bool importKeyImagesUR(Object wallet, String ur);
 
   WalletCredentials createMoneroRestoreWalletFromKeysCredentials({