feat: support monero_wallet URI restoration

lib/models/keys/cryptonote_key_restore_data.dart

@@ -0,0 +1,58 @@
+import 'dart:convert';
+
+class CryptonoteKeyRestoreData {
+  static const int currentVersion = 1;
+
+  const CryptonoteKeyRestoreData({
+    required this.address,
+    required this.privateViewKey,
+    required this.privateSpendKey,
+  });
+
+  final String address;
+  final String privateViewKey;
+  final String privateSpendKey;
+
+  factory CryptonoteKeyRestoreData.fromJsonEncodedString(String value) {
+    final json = jsonDecode(value);
+    if (json is! Map<String, dynamic>) {
+      throw const FormatException("Invalid Cryptonote key restore data");
+    }
+
+    final version = json["version"];
+    if (version != null && version != currentVersion) {
+      throw const FormatException(
+        "Unsupported Cryptonote key restore data version",
+      );
+    }
+
+    final address = json["address"];
+    final privateViewKey = json["privateViewKey"];
+    final privateSpendKey = json["privateSpendKey"];
+    if (address is! String ||
+        address.isEmpty ||
+        privateViewKey is! String ||
+        privateViewKey.isEmpty ||
+        privateSpendKey is! String ||
+        privateSpendKey.isEmpty) {
+      throw const FormatException("Invalid Cryptonote key restore data");
+    }
+
+    return CryptonoteKeyRestoreData(
+      address: address,
+      privateViewKey: privateViewKey,
+      privateSpendKey: privateSpendKey,
+    );
+  }
+
+  String toJsonEncodedString() => jsonEncode({
+    "version": currentVersion,
+    "address": address,
+    "privateViewKey": privateViewKey,
+    "privateSpendKey": privateSpendKey,
+  });
+
+  @override
+  String toString() =>
+      "CryptonoteKeyRestoreData(address: $address, private keys: <redacted>)";
+}

lib/models/keys/cw_key_data.dart

@@ -3,19 +3,24 @@ import 'key_data_interface.dart';
 class CWKeyData with KeyDataInterface {
   CWKeyData({
     required this.walletId,
-    required String? privateSpendKey,
-    required String? privateViewKey,
-    required String? publicSpendKey,
-    required String? publicViewKey,
+    required this.privateSpendKey,
+    required this.privateViewKey,
+    required this.publicSpendKey,
+    required this.publicViewKey,
   }) : keys = List.unmodifiable([
-          (label: "Public View Key", key: publicViewKey),
-          (label: "Private View Key", key: privateViewKey),
-          (label: "Public Spend Key", key: publicSpendKey),
-          (label: "Private Spend Key", key: privateSpendKey),
-        ]);
+         (label: "Public View Key", key: publicViewKey),
+         (label: "Private View Key", key: privateViewKey),
+         (label: "Public Spend Key", key: publicSpendKey),
+         (label: "Private Spend Key", key: privateSpendKey),
+       ]);
 
   @override
   final String walletId;
 
+  final String privateSpendKey;
+  final String privateViewKey;
+  final String publicSpendKey;
+  final String publicViewKey;
+
   final List<({String label, String key})> keys;
 }

lib/models/keys/wallet_backup_recovery_data.dart

@@ -0,0 +1,28 @@
+import 'cryptonote_key_restore_data.dart';
+
+const cryptonoteKeyRestoreDataBackupKey = "cryptonoteKeyRestoreData";
+
+void writeCryptonoteKeyRestoreDataToBackup(
+  Map<String, dynamic> walletBackup,
+  CryptonoteKeyRestoreData data,
+) {
+  walletBackup[cryptonoteKeyRestoreDataBackupKey] = data.toJsonEncodedString();
+}
+
+CryptonoteKeyRestoreData? readCryptonoteKeyRestoreDataFromBackup(
+  Map<String, dynamic> walletBackup,
+) {
+  final encoded = walletBackup[cryptonoteKeyRestoreDataBackupKey];
+  if (encoded == null) {
+    return null;
+  }
+  if (encoded is! String) {
+    throw const FormatException("Invalid Cryptonote backup recovery data");
+  }
+  if (walletBackup["mnemonic"] != null ||
+      walletBackup["privateKey"] != null ||
+      walletBackup["viewOnlyWalletDataKey"] != null) {
+    throw const FormatException("Conflicting wallet backup recovery data");
+  }
+  return CryptonoteKeyRestoreData.fromJsonEncodedString(encoded);
+}

lib/models/keys/wallet_recovery_material.dart

@@ -0,0 +1,60 @@
+import 'cryptonote_key_restore_data.dart';
+import 'key_data_interface.dart';
+import 'view_only_wallet_data.dart';
+
+typedef FrostWalletRecoveryData = ({
+  String myName,
+  String config,
+  String keys,
+  ({String config, String keys})? prevGen,
+});
+
+sealed class WalletRecoveryMaterial {
+  const WalletRecoveryMaterial({required this.walletId});
+
+  final String walletId;
+}
+
+final class MnemonicWalletRecoveryMaterial extends WalletRecoveryMaterial {
+  MnemonicWalletRecoveryMaterial({
+    required super.walletId,
+    required List<String> words,
+    this.supplementalKeyData,
+  }) : words = List.unmodifiable(words) {
+    if (words.isEmpty) {
+      throw ArgumentError.value(words, "words", "Mnemonic cannot be empty");
+    }
+  }
+
+  final List<String> words;
+  final KeyDataInterface? supplementalKeyData;
+}
+
+final class PrivateKeyWalletRecoveryMaterial extends WalletRecoveryMaterial {
+  const PrivateKeyWalletRecoveryMaterial({
+    required super.walletId,
+    required this.keyData,
+    this.cryptonoteKeyRestoreData,
+  });
+
+  final KeyDataInterface keyData;
+  final CryptonoteKeyRestoreData? cryptonoteKeyRestoreData;
+}
+
+final class ViewOnlyWalletRecoveryMaterial extends WalletRecoveryMaterial {
+  const ViewOnlyWalletRecoveryMaterial({
+    required super.walletId,
+    required this.keyData,
+  });
+
+  final ViewOnlyWalletData keyData;
+}
+
+final class FrostWalletRecoveryMaterial extends WalletRecoveryMaterial {
+  const FrostWalletRecoveryMaterial({
+    required super.walletId,
+    required this.data,
+  });
+
+  final FrostWalletRecoveryData data;
+}

lib/pages/add_wallet_views/restore_wallet_view/confirm_recovery_dialog.dart

@@ -21,9 +21,7 @@ import '../../../widgets/desktop/secondary_button.dart';
 import '../../../widgets/stack_dialog.dart';
 
 class ConfirmRecoveryDialog extends StatelessWidget {
-  const ConfirmRecoveryDialog({super.key, required this.onConfirm});
-
-  final VoidCallback onConfirm;
+  const ConfirmRecoveryDialog({super.key});
 
   @override
   Widget build(BuildContext context) {
@@ -32,23 +30,15 @@ class ConfirmRecoveryDialog extends StatelessWidget {
         child: Column(
           children: [
             const DesktopDialogCloseButton(),
-            const SizedBox(
-              height: 5,
-            ),
-            SvgPicture.asset(
-              Assets.svg.drd,
-              width: 99,
-              height: 70,
-            ),
+            const SizedBox(height: 5),
+            SvgPicture.asset(Assets.svg.drd, width: 99, height: 70),
             const Spacer(),
             Text(
               "Restore wallet",
               style: STextStyles.desktopH2(context),
               textAlign: TextAlign.center,
             ),
-            const SizedBox(
-              height: 16,
-            ),
+            const SizedBox(height: 16),
             Text(
               "Restoring your wallet may take a while.\nPlease do not exit this screen once the process is started.",
               style: STextStyles.desktopTextMedium(context).copyWith(
@@ -58,11 +48,7 @@ class ConfirmRecoveryDialog extends StatelessWidget {
             ),
             const Spacer(),
             Padding(
-              padding: const EdgeInsets.only(
-                left: 32,
-                right: 32,
-                bottom: 32,
-              ),
+              padding: const EdgeInsets.only(left: 32, right: 32, bottom: 32),
               child: Row(
                 children: [
                   Expanded(
@@ -73,15 +59,12 @@ class ConfirmRecoveryDialog extends StatelessWidget {
                       },
                     ),
                   ),
-                  const SizedBox(
-                    width: 16,
-                  ),
+                  const SizedBox(width: 16),
                   Expanded(
                     child: PrimaryButton(
                       label: "Restore",
                       onPressed: () {
-                        Navigator.of(context).pop();
-                        onConfirm.call();
+                        Navigator.of(context).pop(true);
                       },
                     ),
                   ),
@@ -109,8 +92,7 @@ class ConfirmRecoveryDialog extends StatelessWidget {
           rightButton: PrimaryButton(
             label: "Restore",
             onPressed: () {
-              Navigator.of(context).pop();
-              onConfirm.call();
+              Navigator.of(context).pop(true);
             },
           ),
         ),