feat: trezor integration

android/app/src/main/AndroidManifest.xml

@@ -82,6 +82,19 @@
                 <category android:name="android.intent.category.BROWSABLE" />
                 <data android:scheme="bitcoin" />
             </intent-filter>
+            <!-- Custom-scheme callback for Trezor Connect deeplinks.
+                   Restricted to host="trezor-callback" so only the exact
+                   callback URI we issue (bullbitcoin://trezor-callback?...)
+                   is claimed at the platform level — other bullbitcoin://*
+                   URIs fall through to the system instead of being routed
+                   into the app and dropped in Dart. TrezorDeeplinkListener
+                   still validates scheme+host as belt-and-suspenders. -->
+            <intent-filter android:autoVerify="false">
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+                <data android:scheme="bullbitcoin" android:host="trezor-callback" />
+            </intent-filter>
             <!-- USB device attached intent filter for BitBox02 -->
             <intent-filter>
                 <action

ios/Runner/Info.plist

@@ -38,6 +38,16 @@
 					<string>$(GOOGLE_DRIVE_URL_SCHEME)</string>
 				</array>
 			</dict>
+			<dict>
+				<key>CFBundleTypeRole</key>
+				<string>Editor</string>
+				<key>CFBundleURLName</key>
+				<string>com.bullbitcoin.app.trezor-callback</string>
+				<key>CFBundleURLSchemes</key>
+				<array>
+					<string>bullbitcoin</string>
+				</array>
+			</dict>
 		</array>
 		<key>CFBundleVersion</key>
 		<string>$(FLUTTER_BUILD_NUMBER)</string>

lib/core/entities/signer_device_entity.dart

@@ -15,7 +15,8 @@ enum SignerDeviceEntity {
   ledgerStax,
   passport,
   seedsigner,
-  specter;
+  specter,
+  trezor;
 
   String get displayName => switch (this) {
     SignerDeviceEntity.bitbox02 => 'BitBox02',
@@ -26,6 +27,8 @@ enum SignerDeviceEntity {
 
   bool get isBitBox => name.startsWith('bitbox');
 
+  bool get isTrezor => this == SignerDeviceEntity.trezor;
+
   bool get supportsBluetooth =>
       isLedger && this != SignerDeviceEntity.ledgerNanoSPlus;
 

lib/core/storage/tables/wallet_metadata_table.dart

@@ -37,7 +37,8 @@ enum SignerDevice {
   ledgerStax,
   passport,
   seedsigner,
-  specter;
+  specter,
+  trezor;
 
   static SignerDevice fromEntity(SignerDeviceEntity entity) => switch (entity) {
     SignerDeviceEntity.bitbox02 => SignerDevice.bitbox02,
@@ -53,6 +54,7 @@ enum SignerDevice {
     SignerDeviceEntity.passport => SignerDevice.passport,
     SignerDeviceEntity.seedsigner => SignerDevice.seedsigner,
     SignerDeviceEntity.specter => SignerDevice.specter,
+    SignerDeviceEntity.trezor => SignerDevice.trezor,
   };
 
   SignerDeviceEntity toEntity() => switch (this) {
@@ -69,6 +71,7 @@ enum SignerDevice {
     SignerDevice.passport => SignerDeviceEntity.passport,
     SignerDevice.seedsigner => SignerDeviceEntity.seedsigner,
     SignerDevice.specter => SignerDeviceEntity.specter,
+    SignerDevice.trezor => SignerDeviceEntity.trezor,
   };
 }
 

lib/features/import_wallet/import_wallet_page.dart

@@ -12,6 +12,7 @@ import 'package:bb_mobile/features/import_mnemonic/router.dart';
 import 'package:bb_mobile/features/import_qr_device/router.dart';
 import 'package:bb_mobile/features/import_watch_only_wallet/import_watch_only_router.dart';
 import 'package:bb_mobile/features/ledger/ui/ledger_router.dart';
+import 'package:bb_mobile/features/trezor/ui/trezor_router.dart';
 import 'package:flutter/material.dart';
 import 'package:gap/gap.dart';
 import 'package:go_router/go_router.dart';
@@ -119,6 +120,11 @@ class ImportWalletPage extends StatelessWidget {
                   ),
                 ),
               ),
+              const Gap(16),
+              TabMenuVerticalButton(
+                title: context.loc.importWalletTrezor,
+                onTap: () => context.pushNamed(TrezorRoute.importTrezor.name),
+              ),
             ],
           ),
         ),

lib/features/import_watch_only_wallet/public/import_watch_only_facade.dart

@@ -0,0 +1,4 @@
+export 'package:bb_mobile/features/import_watch_only_wallet/watch_only_wallet_entity.dart';
+
+export 'package:bb_mobile/features/import_watch_only_wallet/import_watch_only_router.dart'
+    show ImportWatchOnlyWalletRoutes;

lib/features/receive/ui/screens/receive_qr_screen.dart

@@ -19,6 +19,7 @@ import 'package:bb_mobile/features/receive/presentation/bloc/receive_bloc.dart';
 import 'package:bb_mobile/core/widgets/tiles/bordered_tappable_tile.dart';
 import 'package:bb_mobile/features/labels/ui/label_entry_bottom_sheet.dart';
 import 'package:bb_mobile/features/receive/ui/widgets/receive_amount_bottom_sheet.dart';
+import 'package:bb_mobile/features/trezor/ui/trezor_router.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_animate/flutter_animate.dart';
@@ -43,7 +44,11 @@ class ReceiveQrPage extends StatelessWidget {
     final isBitBox = context.select(
       (ReceiveBloc bloc) => bloc.state.wallet?.signerDevice?.isBitBox ?? false,
     );
-    final showAddressVerification = !isLightning && (isLedger || isBitBox);
+    final isTrezor = context.select(
+      (ReceiveBloc bloc) => bloc.state.wallet?.signerDevice?.isTrezor ?? false,
+    );
+    final showAddressVerification =
+        !isLightning && (isLedger || isBitBox || isTrezor);
 
     final gap = Device.screen.height * 0.02;
     return SingleChildScrollView(
@@ -62,6 +67,8 @@ class ReceiveQrPage extends StatelessWidget {
               const Column(children: [VerifyAddressOnLedgerButton()]),
             if (isBitBox)
               const Column(children: [VerifyAddressOnBitBoxButton()]),
+            if (isTrezor)
+              const Column(children: [VerifyAddressOnTrezorButton()]),
             Gap(gap),
           ],
           if (!isLightning) const ReceiveNewAddressButton(),
@@ -807,3 +814,45 @@ class VerifyAddressOnBitBoxButton extends StatelessWidget {
     );
   }
 }
+
+class VerifyAddressOnTrezorButton extends StatelessWidget {
+  const VerifyAddressOnTrezorButton({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: const EdgeInsets.symmetric(horizontal: 16),
+      child: BBButton.big(
+        label: context.loc.receiveVerifyAddressTrezor,
+        onPressed: () {
+          final state = context.read<ReceiveBloc>().state;
+          if (state.wallet == null || state.bitcoinAddress == null) {
+            SnackBarUtils.showSnackBar(
+              context,
+              context.loc.receiveVerifyAddressError,
+            );
+            return;
+          }
+          final keyChainPath =
+              state.bitcoinAddress!.keyChain == WalletAddressKeyChain.external
+              ? '0'
+              : '1';
+          final derivationPath =
+              '${state.wallet!.derivationPath}/$keyChainPath/${state.bitcoinAddress!.index}';
+          context.pushNamed(
+            TrezorRoute.trezorVerifyAddress.name,
+            extra: TrezorVerifyAddressRouteParams(
+              address: state.address,
+              derivationPath: derivationPath,
+              scriptType: state.wallet!.scriptType,
+              isTestnet: state.wallet!.network.isTestnet,
+            ),
+          );
+        },
+        bgColor: context.appColors.primary,
+        textColor: context.appColors.onPrimary,
+        outlined: true,
+      ),
+    );
+  }
+}

lib/features/send/ui/screens/send_screen.dart

@@ -29,6 +29,7 @@ import 'package:bb_mobile/features/bitcoin_price/ui/currency_text.dart';
 import 'package:bb_mobile/features/ledger/ui/ledger_router.dart';
 import 'package:bb_mobile/features/ledger/ui/screens/ledger_action_screen.dart';
 import 'package:bb_mobile/features/psbt_flow/psbt_router.dart';
+import 'package:bb_mobile/features/trezor/ui/trezor_router.dart';
 import 'package:bb_mobile/features/send/presentation/bloc/send_cubit.dart';
 import 'package:bb_mobile/features/send/presentation/bloc/send_state.dart';
 import 'package:bb_mobile/features/send/ui/screens/open_the_camera_widget.dart';
@@ -914,6 +915,8 @@ class _BottomButtons extends StatelessWidget {
                 ? const SignLedgerButton()
                 : (wallet.signerDevice != null && wallet.signerDevice!.isBitBox)
                 ? const SignBitBoxButton()
+                : (wallet.signerDevice != null && wallet.signerDevice!.isTrezor)
+                ? const SignTrezorButton()
                 : const ShowPsbtButton()
           else
             const ConfirmSendButton(),
@@ -2059,6 +2062,52 @@ class SignBitBoxButton extends StatelessWidget {
   }
 }
 
+class SignTrezorButton extends StatelessWidget {
+  const SignTrezorButton({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    final unsignedPsbt = context.select(
+      (SendCubit cubit) => cubit.state.unsignedPsbt,
+    );
+    final scriptType = context.select(
+      (SendCubit cubit) => cubit.state.selectedWallet?.scriptType,
+    );
+    final isTestnet = context.select(
+      (SendCubit cubit) =>
+          cubit.state.selectedWallet?.network.isTestnet ?? false,
+    );
+
+    return BBButton.big(
+      label: context.loc.sendSignWithTrezor,
+      onPressed: () async {
+        if (unsignedPsbt == null || scriptType == null) {
+          return;
+        }
+
+        final result = await context.pushNamed<String>(
+          TrezorRoute.trezorSignTransaction.name,
+          extra: TrezorSignTransactionRouteParams(
+            psbt: unsignedPsbt,
+            isTestnet: isTestnet,
+            scriptType: scriptType,
+          ),
+        );
+
+        if (result != null && context.mounted) {
+          SnackBarUtils.showSnackBar(
+            context,
+            context.loc.sendTransactionSignedTrezor,
+          );
+          await context.read<SendCubit>().updateSignedBitcoinTx(result);
+        }
+      },
+      bgColor: context.appColors.secondary,
+      textColor: context.appColors.onSecondary,
+    );
+  }
+}
+
 String _swapCreationErrorMessage(
   BuildContext context,
   SwapCreationException error,
@@ -2072,6 +2121,7 @@ String _swapCreationErrorMessage(
   return error.message;
 }
 
+/// Helper function to get localized error message for SwapLimitsException
 String _getSwapLimitsErrorMessage(
   BuildContext context,
   SwapLimitsException error,

lib/features/trezor/data/trezor_callback_port_impl.dart

@@ -0,0 +1,11 @@
+import 'package:bb_mobile/features/trezor/data/trezor_connect_datasource.dart';
+import 'package:bb_mobile/features/trezor/domain/trezor_callback_port.dart';
+
+class TrezorCallbackPortImpl implements TrezorCallbackPort {
+  final TrezorConnectDatasource _datasource;
+
+  TrezorCallbackPortImpl({required this._datasource});
+
+  @override
+  void handleCallback(Uri uri) => _datasource.handleCallback(uri);
+}