add support for weird polyseed

cw_core/lib/wallet_base.dart

@@ -46,7 +46,7 @@ abstract class WalletBase<BalanceType extends Balance, HistoryType extends Trans
 
   String? get hexSeed => null;
 
-  String get passphrase => "";
+  String? get passphrase => null;
 
   Object get keys;
 

cw_monero/lib/api/wallet.dart

@@ -34,16 +34,22 @@ String getSeed() {
   final cakepolyseed =
       monero.Wallet_getCacheAttribute(wptr!, key: "cakewallet.seed");
   final cakepassphrase = getPassphrase();
-  if (cakepassphrase != "") {
+
-    final lang = PolyseedLang.getByPhrase(cakepassphrase);
+  final weirdPolyseed = monero.Wallet_getPolyseed(wptr!, passphrase: cakepassphrase);
-    final coin = PolyseedCoin.POLYSEED_MONERO;
+  if (weirdPolyseed != "") return weirdPolyseed;
-    final ps = Polyseed.decode(cakepolyseed, lang, coin);
+
-    if (ps.isEncrypted) return ps.encode(lang, coin);
-  }
   if (cakepolyseed != "") {
+    if (cakepassphrase != "") {
+      final lang = PolyseedLang.getByPhrase(cakepassphrase);
+      final coin = PolyseedCoin.POLYSEED_MONERO;
+      final ps = Polyseed.decode(cakepolyseed, lang, coin);
+      if (ps.isEncrypted) return ps.encode(lang, coin);
+      ps.crypt(getPassphrase());
+      return ps.encode(lang, coin);
+    }
     return cakepolyseed;
   }
-  final legacy = getSeedLegacy("English");
+  final legacy = getSeedLegacy(null);
   return legacy;
 }
 

cw_monero/lib/api/wallet_manager.dart

@@ -157,6 +157,47 @@ void restoreWalletFromKeysSync(
   openedWalletsByPath[path] = wptr!;
 }
 
+
+// English only, because normalization.
+void restoreWalletFromPolyseedWithOffset(
+    {required String path,
+    required String password,
+    required String seed,
+    required String seedOffset,
+    required String language,
+    int nettype = 0}) {
+  
+  txhistory = null;
+  final newWptr = monero.WalletManager_createWalletFromPolyseed(
+    wmPtr,
+    path: path,
+    password: password,
+    networkType: nettype,
+    mnemonic: seed,
+    seedOffset: seedOffset,
+    newWallet: true, // safe to remove
+    restoreHeight: 0,
+    kdfRounds: 1,
+  );
+
+  final status = monero.Wallet_status(newWptr);
+
+  if (status != 0) {
+    final err = monero.Wallet_errorString(newWptr);
+    print("err: $err");
+    throw WalletRestoreFromKeysException(message: err);
+  }
+
+  wptr = newWptr;
+
+  monero.Wallet_setCacheAttribute(wptr!, key: "cakewallet.seed", value: seed);
+
+  storeSync();
+
+  openedWalletsByPath[path] = wptr!;
+}
+
+
 void restoreWalletFromSpendKeySync(
     {required String path,
     required String password,

cw_monero/lib/monero_wallet_service.dart

@@ -332,6 +332,28 @@ class MoneroWalletService extends WalletService<
       {PolyseedCoin coin = PolyseedCoin.POLYSEED_MONERO,
       int? overrideHeight,
       String? passphrase}) async {
+    
+    if (polyseed.isEncrypted == false &&
+        (passphrase??'') != "") {
+      // Fallback to the different passphrase offset method, when a passphrase
+      // was provided but the polyseed is not encrypted.
+      monero_wallet_manager.restoreWalletFromPolyseedWithOffset(
+        path: path,
+        password: password,
+        seed: polyseed.encode(lang, coin),
+        seedOffset: passphrase??'',
+        language: "English");
+      
+      final wallet = MoneroWallet(
+        walletInfo: walletInfo,
+        unspentCoinsInfo: unspentCoinsInfoSource,
+        password: password,
+      );
+      await wallet.init();
+
+      return wallet;
+    }
+
     if (polyseed.isEncrypted) polyseed.crypt(passphrase ?? '');
 
     final height = overrideHeight ??

cw_wownero/lib/api/wallet.dart

@@ -6,6 +6,7 @@ import 'package:cw_wownero/api/account_list.dart';
 import 'package:cw_wownero/api/exceptions/setup_wallet_exception.dart';
 import 'package:monero/wownero.dart' as wownero;
 import 'package:mutex/mutex.dart';
+import 'package:polyseed/polyseed.dart';
 
 int getSyncingHeight() {
   // final height = wownero.WOWNERO_cw_WalletListener_height(getWlptr());
@@ -31,10 +32,23 @@ bool isNewTransactionExist() {
 String getFilename() => wownero.Wallet_filename(wptr!);
 
 String getSeed() {
-  // wownero.Wallet_setCacheAttribute(wptr!, key: "cakewallet.seed", value: seed);
+  // monero.Wallet_setCacheAttribute(wptr!, key: "cakewallet.seed", value: seed);
   final cakepolyseed =
       wownero.Wallet_getCacheAttribute(wptr!, key: "cakewallet.seed");
+  final cakepassphrase = getPassphrase();
+
+  final weirdPolyseed = wownero.Wallet_getPolyseed(wptr!, passphrase: cakepassphrase);
+  if (weirdPolyseed != "") return weirdPolyseed;
+
   if (cakepolyseed != "") {
+    if (cakepassphrase != "") {
+      final lang = PolyseedLang.getByPhrase(cakepassphrase);
+      final coin = PolyseedCoin.POLYSEED_MONERO;
+      final ps = Polyseed.decode(cakepolyseed, lang, coin);
+      if (ps.isEncrypted) return ps.encode(lang, coin);
+      ps.crypt(getPassphrase());
+      return ps.encode(lang, coin);
+    }
     return cakepolyseed;
   }
   final legacy = getSeedLegacy(null);

cw_wownero/lib/api/wallet_manager.dart

@@ -175,6 +175,47 @@ void restoreWalletFromKeysSync(
   openedWalletsByPath[path] = wptr!;
 }
 
+
+
+// English only, because normalization.
+void restoreWalletFromPolyseedWithOffset(
+    {required String path,
+    required String password,
+    required String seed,
+    required String seedOffset,
+    required String language,
+    int nettype = 0}) {
+  
+  txhistory = null;
+  final newWptr = wownero.WalletManager_createWalletFromPolyseed(
+    wmPtr,
+    path: path,
+    password: password,
+    networkType: nettype,
+    mnemonic: seed,
+    seedOffset: seedOffset,
+    newWallet: true, // safe to remove
+    restoreHeight: 0,
+    kdfRounds: 1,
+  );
+
+  final status = wownero.Wallet_status(newWptr);
+
+  if (status != 0) {
+    final err = wownero.Wallet_errorString(newWptr);
+    print("err: $err");
+    throw WalletRestoreFromKeysException(message: err);
+  }
+
+  wptr = newWptr;
+
+  wownero.Wallet_setCacheAttribute(wptr!, key: "cakewallet.seed", value: seed);
+
+  storeSync();
+
+  openedWalletsByPath[path] = wptr!;
+}
+
 void restoreWalletFromSpendKeySync(
     {required String path,
     required String password,

cw_wownero/lib/wownero_wallet.dart

@@ -112,9 +112,8 @@ abstract class WowneroWalletBase
 
   String get password => _password;
 
-  String? passphrase() {
+  @override
-    return wownero_wallet.getPassphrase();
+  String get passphrase => wownero_wallet.getPassphrase();
-  }
 
   String _password;
 

cw_wownero/lib/wownero_wallet_service.dart

@@ -303,6 +303,29 @@ class WowneroWalletService extends WalletService<
   Future<WowneroWallet> _restoreFromPolyseed(
       String path, String password, Polyseed polyseed, WalletInfo walletInfo, PolyseedLang lang,
       {PolyseedCoin coin = PolyseedCoin.POLYSEED_WOWNERO, int? overrideHeight, String? passphrase}) async {
+
+    
+    if (polyseed.isEncrypted == false &&
+        (passphrase??'') != "") {
+      // Fallback to the different passphrase offset method, when a passphrase
+      // was provided but the polyseed is not encrypted.
+      wownero_wallet_manager.restoreWalletFromPolyseedWithOffset(
+        path: path,
+        password: password,
+        seed: polyseed.encode(lang, coin),
+        seedOffset: passphrase??'',
+        language: "English");
+      
+      final wallet = WowneroWallet(
+        walletInfo: walletInfo,
+        unspentCoinsInfo: unspentCoinsInfoSource,
+        password: password,
+      );
+      await wallet.init();
+
+      return wallet;
+    }
+
     if (polyseed.isEncrypted) polyseed.crypt(passphrase ?? '');
 
     final height = overrideHeight ??

lib/view_model/wallet_keys_view_model.dart

@@ -167,7 +167,7 @@ abstract class WalletKeysViewModelBase with Store {
             value: wownero!.getLegacySeed(_appStore.wallet!, lang.nameEnglish)));
       }
 
-      final passphrase = (_appStore.wallet as WowneroWalletBase).passphrase();
+      final passphrase = _appStore.wallet?.passphrase;
       if (passphrase != null && passphrase != "") {
         items.add(StandartListItem(
             title: S.current.passphrase_view_keys,