feat: bip39 decred (#3348)

lib/core/wallet_creation_service.dart

@@ -86,6 +86,7 @@ class WalletCreationService {
       case WalletType.dogecoin:
       case WalletType.nano:
       case WalletType.zcash:
+      case WalletType.decred:
         return true;
       case WalletType.monero:
       case WalletType.wownero:
@@ -93,7 +94,6 @@ class WalletCreationService {
       case WalletType.haven:
       case WalletType.banano:
       case WalletType.zano:
-      case WalletType.decred:
         return false;
     }
   }

lib/decred/cw_decred.dart

@@ -5,13 +5,26 @@ class CWDecred extends Decred {
 
   @override
   WalletCredentials createDecredNewWalletCredentials(
-          {required String name, WalletInfo? walletInfo}) =>
-      DecredNewWalletCredentials(name: name, walletInfo: walletInfo);
+          {required String name,
+          String? password,
+          String? passphrase,
+          String? mnemonic,
+          WalletInfo? walletInfo}) =>
+      DecredNewWalletCredentials(
+          name: name,
+          password: password,
+          passphrase: passphrase,
+          mnemonic: mnemonic,
+          walletInfo: walletInfo);
 
   @override
   WalletCredentials createDecredRestoreWalletFromSeedCredentials(
-          {required String name, required String mnemonic, required String password}) =>
-      DecredRestoreWalletFromSeedCredentials(name: name, mnemonic: mnemonic, password: password);
+          {required String name,
+          required String mnemonic,
+          required String password,
+          String? passphrase}) =>
+      DecredRestoreWalletFromSeedCredentials(
+          name: name, mnemonic: mnemonic, password: password, passphrase: passphrase);
 
   @override
   WalletCredentials createDecredRestoreWalletFromPubkeyCredentials(
@@ -19,8 +32,8 @@ class CWDecred extends Decred {
       DecredRestoreWalletFromPubkeyCredentials(name: name, pubkey: pubkey, password: password);
 
   @override
-  WalletService createDecredWalletService(Box<UnspentCoinsInfo> unspentCoinSource) =>
-      DecredWalletService(unspentCoinSource);
+  WalletService createDecredWalletService(Box<UnspentCoinsInfo> unspentCoinSource, bool isDirect) =>
+      DecredWalletService(unspentCoinSource, isDirect);
 
   @override
   List<TransactionPriority> getTransactionPriorities() => DecredTransactionPriority.all;

lib/di.dart

@@ -1343,7 +1343,8 @@ Future<void> setup({
       case WalletType.zano:
         return zano!.createZanoWalletService();
       case WalletType.decred:
-        return decred!.createDecredWalletService(_unspentCoinsInfoSource);
+        return decred!.createDecredWalletService(
+            _unspentCoinsInfoSource, SettingsStoreBase.walletPasswordDirectInput);
       case WalletType.haven:
         return HavenWalletService();
       case WalletType.zcash:

lib/reactions/wallet_utils.dart

@@ -17,11 +17,11 @@ bool isBIP39Wallet(WalletType walletType) {
     case WalletType.monero:
     case WalletType.dogecoin:
     case WalletType.zcash:
+    case WalletType.decred:
       return true;
     case WalletType.wownero:
     case WalletType.haven:
     case WalletType.zano:
-    case WalletType.decred:
     case WalletType.none:
       return false;
   }

lib/src/screens/restore/wallet_restore_page.dart

@@ -630,7 +630,7 @@ class _WalletRestorePageBodyState extends State<_WalletRestorePageBody>
     }
 
     if ((walletRestoreViewModel.type == WalletType.decred) &&
-        seedWords.length != WalletRestoreViewModelBase.decredSeedMnemonicLength) {
+        ![12, 15, 24].contains(seedWords.length)) {
       return false;
     }
 

lib/view_model/advanced_privacy_settings_view_model.dart

@@ -59,6 +59,7 @@ abstract class AdvancedPrivacySettingsViewModelBase with Store {
       case WalletType.solana:
       case WalletType.tron:
       case WalletType.zcash:
+      case WalletType.decred:
         return true;
 
       case WalletType.bitcoin:
@@ -74,7 +75,6 @@ abstract class AdvancedPrivacySettingsViewModelBase with Store {
       case WalletType.none:
       case WalletType.haven:
       case WalletType.zano:
-      case WalletType.decred:
         return false;
     }
   }
@@ -107,7 +107,8 @@ abstract class AdvancedPrivacySettingsViewModelBase with Store {
         WalletType.zano,
         WalletType.dogecoin,
         WalletType.zcash,
-      ].contains(type);
+        WalletType.decred,
+    ].contains(type);
 
   @computed
   bool get addCustomNode => _addCustomNode;

lib/view_model/wallet_creation_vm.dart

@@ -179,6 +179,8 @@ abstract class WalletCreationVMBase with Store {
           );
         }
         return bitcoin!.getElectrumDerivations()[DerivationType.electrum]!.first;
+      case WalletType.decred:
+        return DerivationInfo(derivationType: DerivationType.bip39);
       default:
         return DerivationInfo(derivationType: DerivationType.unknown);
     }

lib/view_model/wallet_groups_display_view_model.dart

@@ -131,6 +131,10 @@ abstract class WalletGroupsDisplayViewModelBase with Store {
         bool isNotMoneroBip39Wallet =
             wallet.type == WalletType.monero && di.derivationType != DerivationType.bip39;
 
+        bool isNotDecredBip39Wallet = wallet.type == WalletType.decred &&
+            di.derivationType != DerivationType.bip39 &&
+            di.derivationType != DerivationType.unknown;
+
         // Exclude if any of these conditions are true
         shouldExcludeGroup = shouldExcludeGroup ||
             isNonBIP39Wallet ||
@@ -138,7 +142,8 @@ abstract class WalletGroupsDisplayViewModelBase with Store {
             isElectrumDerivationType ||
             isSameTypeAsSelectedWallet ||
             isNonSeedWallet ||
-            isNotMoneroBip39Wallet;
+            isNotMoneroBip39Wallet ||
+            isNotDecredBip39Wallet;
       }
 
       if (shouldExcludeGroup) continue;

lib/view_model/wallet_new_vm.dart

@@ -149,7 +149,11 @@ abstract class WalletNewVMBase extends WalletCreationVM with Store {
           network: zcashNetwork,
         );
       case WalletType.decred:
-        return decred!.createDecredNewWalletCredentials(name: name);
+        return decred!.createDecredNewWalletCredentials(
+            name: name,
+            password: walletPassword,
+            passphrase: passphrase,
+            mnemonic: newWalletArguments!.mnemonic);
       case WalletType.none:
       case WalletType.haven:
         throw Exception('Unexpected type: ${type.toString()}');

lib/view_model/wallet_restore_view_model.dart

@@ -216,6 +216,7 @@ abstract class WalletRestoreViewModelBase extends WalletCreationVM with Store {
             name: name,
             mnemonic: seed,
             password: password,
+            passphrase: passphrase,
           );
         case WalletType.zcash:
           return zcash!.createZcashRestoreWalletFromSeedCredentials(