feat(core): send address & public key response before showing StatusScreen

Co-authored-by: matejcik <ja@matejcik.cz>

core/.changelog.d/3666.fixed

@@ -0,0 +1 @@
+[T3T1] Show confirmation layout after sending response to host.

core/embed/rust/librust_qstr.h

@@ -709,7 +709,6 @@ static void _librust_qstrs(void) {
   MP_QSTR_time_ms;
   MP_QSTR_timer;
   MP_QSTR_title;
-  MP_QSTR_title_success;
   MP_QSTR_total_fee_new;
   MP_QSTR_total_len;
   MP_QSTR_touch_event;

core/embed/rust/src/ui/api/firmware_micropython.rs

@@ -543,7 +543,6 @@ extern "C" fn new_flow_get_address(n_args: usize, args: *const Obj, kwargs: *mut
         let account: Option<TString> = kwargs.get(Qstr::MP_QSTR_account)?.try_into_option()?;
         let path: Option<TString> = kwargs.get(Qstr::MP_QSTR_path)?.try_into_option()?;
         let xpubs: Obj = kwargs.get(Qstr::MP_QSTR_xpubs)?;
-        let title_success: TString = kwargs.get(Qstr::MP_QSTR_title_success)?.try_into()?;
         let br_code: u16 = kwargs.get(Qstr::MP_QSTR_br_code)?.try_into()?;
         let br_name: TString = kwargs.get(Qstr::MP_QSTR_br_name)?.try_into()?;
 
@@ -558,7 +557,6 @@ extern "C" fn new_flow_get_address(n_args: usize, args: *const Obj, kwargs: *mut
             account,
             path,
             xpubs,
-            title_success,
             br_code,
             br_name,
         )?;
@@ -1414,7 +1412,6 @@ pub static mp_module_trezorui_api: Module = obj_module! {
     ///     account: str | None,
     ///     path: str | None,
     ///     xpubs: list[tuple[str, str]],
-    ///     title_success: str,
     ///     br_code: ButtonRequestType,
     ///     br_name: str,
     /// ) -> LayoutObj[UiResult]:

core/embed/rust/src/ui/layout_bolt/ui_firmware.rs

@@ -602,7 +602,6 @@ impl FirmwareUI for UIBolt {
         _account: Option<TString<'static>>,
         _path: Option<TString<'static>>,
         _xpubs: Obj,
-        _title_success: TString<'static>,
         _br_code: u16,
         _br_name: TString<'static>,
     ) -> Result<impl LayoutMaybeTrace, Error> {

core/embed/rust/src/ui/layout_caesar/ui_firmware.rs

@@ -736,7 +736,6 @@ impl FirmwareUI for UICaesar {
         _account: Option<TString<'static>>,
         _path: Option<TString<'static>>,
         _xpubs: Obj,
-        _title_success: TString<'static>,
         _br_code: u16,
         _br_name: TString<'static>,
     ) -> Result<impl LayoutMaybeTrace, Error> {

core/embed/rust/src/ui/layout_delizia/component/status_screen.rs

@@ -172,12 +172,12 @@ impl StatusScreen {
         )
     }
 
-    pub fn new_success_timeout(msg: TString<'static>) -> Self {
+    pub fn new_success_timeout(msg: TString<'static>, time_ms: u32) -> Self {
         Self::new(
             theme::ICON_SIMPLE_CHECKMARK30,
             theme::GREEN_LIME,
             theme::GREEN_LIGHT,
-            DismissType::Timeout(Timeout::new(TIMEOUT_MS)),
+            DismissType::Timeout(Timeout::new(time_ms)),
             msg,
         )
     }

core/embed/rust/src/ui/layout_delizia/flow/get_address.rs

@@ -20,7 +20,7 @@ use crate::{
 };
 
 use super::super::{
-    component::{AddressDetails, Frame, PromptScreen, StatusScreen, SwipeContent, VerticalMenu},
+    component::{AddressDetails, Frame, PromptScreen, SwipeContent, VerticalMenu},
     theme,
 };
 
@@ -30,7 +30,6 @@ const QR_BORDER: i16 = 4;
 pub enum GetAddress {
     Address,
     Tap,
-    Confirmed,
     Menu,
     QrCode,
     AccountInfo,
@@ -64,9 +63,8 @@ impl FlowController for GetAddress {
     fn handle_event(&'static self, msg: FlowMsg) -> Decision {
         match (self, msg) {
             (Self::Address, FlowMsg::Info) => Self::Menu.goto(),
-            (Self::Tap, FlowMsg::Confirmed) => Self::Confirmed.swipe_up(),
+            (Self::Tap, FlowMsg::Confirmed) => self.return_msg(FlowMsg::Confirmed),
             (Self::Tap, FlowMsg::Info) => Self::Menu.swipe_left(),
-            (Self::Confirmed, _) => self.return_msg(FlowMsg::Confirmed),
             (Self::Menu, FlowMsg::Choice(0)) => Self::QrCode.swipe_left(),
             (Self::Menu, FlowMsg::Choice(1)) => Self::AccountInfo.swipe_left(),
             (Self::Menu, FlowMsg::Choice(2)) => Self::Cancel.swipe_left(),
@@ -93,7 +91,6 @@ pub fn new_get_address(
     account: Option<TString<'static>>,
     path: Option<TString<'static>>,
     xpubs: Obj, // TODO: get rid of Obj
-    title_success: TString<'static>,
     br_code: u16,
     br_name: TString<'static>,
 ) -> Result<SwipeFlow, error::Error> {
@@ -131,14 +128,6 @@ pub fn new_get_address(
             .with_swipe(Direction::Left, SwipeSettings::default())
             .map(super::util::map_to_confirm);
 
-    let content_confirmed = Frame::left_aligned(
-        TR::words__title_success.into(),
-        StatusScreen::new_success_timeout(title_success),
-    )
-    .with_footer(TR::instructions__continue_in_app.into(), None)
-    .with_result_icon(theme::ICON_BULLET_CHECKMARK, theme::GREEN_LIGHT)
-    .map(|_| Some(FlowMsg::Confirmed));
-
     // Menu
     let content_menu = Frame::left_aligned(
         "".into(),
@@ -200,7 +189,6 @@ pub fn new_get_address(
     let mut res = SwipeFlow::new(&GetAddress::Address)?;
     res.add_page(&GetAddress::Address, content_address)?
         .add_page(&GetAddress::Tap, content_tap)?
-        .add_page(&GetAddress::Confirmed, content_confirmed)?
         .add_page(&GetAddress::Menu, content_menu)?
         .add_page(&GetAddress::QrCode, content_qr)?
         .add_page(&GetAddress::AccountInfo, content_account)?

core/embed/rust/src/ui/layout_delizia/ui_firmware.rs

@@ -9,6 +9,7 @@ use crate::{
     ui::{
         component::{
             connect::Connect,
+            swipe_detect::SwipeSettings,
             text::{
                 op::OpTextLayout,
                 paragraphs::{
@@ -19,7 +20,7 @@ use crate::{
             },
             Border, CachedJpeg, ComponentExt, Empty, FormattedText, Never, Timeout,
         },
-        geometry::{self, Offset},
+        geometry::{self, Direction, Offset},
         layout::{
             obj::{LayoutMaybeTrace, LayoutObj, RootComponent},
             util::{PropsList, RecoveryType},
@@ -630,7 +631,6 @@ impl FirmwareUI for UIDelizia {
         account: Option<TString<'static>>,
         path: Option<TString<'static>>,
         xpubs: Obj,
-        title_success: TString<'static>,
         br_code: u16,
         br_name: TString<'static>,
     ) -> Result<impl LayoutMaybeTrace, Error> {
@@ -645,7 +645,6 @@ impl FirmwareUI for UIDelizia {
             account,
             path,
             xpubs,
-            title_success,
             br_code,
             br_name,
         )?;
@@ -1045,24 +1044,34 @@ impl FirmwareUI for UIDelizia {
 
     fn show_success(
         title: TString<'static>,
-        _button: TString<'static>,
+        button: TString<'static>,
         description: TString<'static>,
         _allow_cancel: bool,
-        _time_ms: u32,
+        time_ms: u32,
     ) -> Result<Gc<LayoutObj>, Error> {
+        let instruction = if button.is_empty() {
+            TR::instructions__tap_to_continue.into()
+        } else {
+            button
+        };
         // description used in the Footer
         let description = if description.is_empty() {
             None
         } else {
             Some(description)
         };
-        let content = StatusScreen::new_success(title);
+        let content = if time_ms > 0 {
+            StatusScreen::new_success_timeout(title, time_ms)
+        } else {
+            StatusScreen::new_success(title)
+        };
         let layout = LayoutObj::new(SwipeUpScreen::new(
             Frame::left_aligned(
                 TR::words__title_success.into(),
                 SwipeContent::new(content).with_no_attach_anim(),
             )
-            .with_swipeup_footer(description)
+            .with_footer(instruction, description)
+            .with_swipe(Direction::Up, SwipeSettings::default())
             .with_result_icon(theme::ICON_BULLET_CHECKMARK, theme::GREEN_LIGHT),
         ))?;
         Ok(layout)

core/embed/rust/src/ui/ui_firmware.rs

@@ -203,7 +203,6 @@ pub trait FirmwareUI {
         account: Option<TString<'static>>,
         path: Option<TString<'static>>,
         xpubs: Obj, // TODO: replace Obj
-        title_success: TString<'static>,
         br_code: u16,
         br_name: TString<'static>,
     ) -> Result<impl LayoutMaybeTrace, Error>;

core/mocks/generated/trezorui_api.pyi

@@ -362,7 +362,6 @@ def flow_get_address(
     account: str | None,
     path: str | None,
     xpubs: list[tuple[str, str]],
-    title_success: str,
     br_code: ButtonRequestType,
     br_name: str,
 ) -> LayoutObj[UiResult]:

core/src/apps/bitcoin/get_address.py

@@ -9,6 +9,7 @@ from .keychain import with_keychain
 
 if TYPE_CHECKING:
     from trezor.messages import Address, GetAddress, HDNodeType
+    from trezor.wire import MaybeEarlyResponse
 
     from apps.common.coininfo import CoinInfo
     from apps.common.keychain import Keychain
@@ -35,14 +36,19 @@ def _get_xpubs(
 
 
 @with_keychain
-async def get_address(msg: GetAddress, keychain: Keychain, coin: CoinInfo) -> Address:
+async def get_address(
+    msg: GetAddress, keychain: Keychain, coin: CoinInfo
+) -> MaybeEarlyResponse[Address]:
+    from trezor import TR
     from trezor.enums import InputScriptType
     from trezor.messages import Address
     from trezor.ui.layouts import (
         confirm_multisig_different_paths_warning,
         confirm_multisig_warning,
         show_address,
+        show_continue_in_app,
     )
+    from trezor.wire import early_response
 
     from apps.common.address_mac import get_address_mac
     from apps.common.paths import address_n_to_str, validate_path
@@ -103,6 +109,8 @@ async def get_address(msg: GetAddress, keychain: Keychain, coin: CoinInfo) -> Ad
         ):
             mac = get_address_mac(address, coin.slip44, keychain)
 
+    response = Address(address=address, mac=mac)
+
     if msg.show_display:
         path = address_n_to_str(address_n)
         if multisig:
@@ -156,4 +164,8 @@ async def get_address(msg: GetAddress, keychain: Keychain, coin: CoinInfo) -> Ad
                 chunkify=bool(msg.chunkify),
             )
 
-    return Address(address=address, mac=mac)
+        return await early_response(
+            response, show_continue_in_app(TR.address__confirmed)
+        )
+    else:
+        return response

core/src/apps/bitcoin/get_public_key.py

@@ -5,6 +5,7 @@ if TYPE_CHECKING:
     from trezor.enums import InputScriptType
     from trezor.messages import GetPublicKey, PublicKey
     from trezor.protobuf import MessageType
+    from trezor.wire import MaybeEarlyResponse
 
     from apps.common.keychain import Keychain
 
@@ -13,10 +14,11 @@ async def get_public_key(
     msg: GetPublicKey,
     auth_msg: MessageType | None = None,
     keychain: Keychain | None = None,
-) -> PublicKey:
+) -> MaybeEarlyResponse[PublicKey]:
     from trezor import TR, wire
     from trezor.enums import InputScriptType
     from trezor.messages import HDNodeType, PublicKey, UnlockPath
+    from trezor.wire import early_response
 
     from apps.common import coininfo, paths
     from apps.common.keychain import FORBIDDEN_KEY_PATH, get_keychain
@@ -86,9 +88,19 @@ async def get_public_key(
     descriptor = _xpub_descriptor(
         node, xpub_magic, address_n, script_type, keychain.root_fingerprint()
     )
+    response = PublicKey(
+        node=node_type,
+        xpub=node_xpub,
+        root_fingerprint=keychain.root_fingerprint(),
+        descriptor=descriptor,
+    )
 
     if msg.show_display:
-        from trezor.ui.layouts import confirm_path_warning, show_pubkey
+        from trezor.ui.layouts import (
+            confirm_path_warning,
+            show_continue_in_app,
+            show_pubkey,
+        )
 
         from apps.common.paths import address_n_to_str
 
@@ -116,13 +128,11 @@ async def get_public_key(
             mismatch_title=TR.addr_mismatch__xpub_mismatch,
             br_name="show_xpub",
         )
-
-    return PublicKey(
-        node=node_type,
-        xpub=node_xpub,
-        root_fingerprint=keychain.root_fingerprint(),
-        descriptor=descriptor,
-    )
+        return await early_response(
+            response, show_continue_in_app(TR.address__public_key_confirmed)
+        )
+    else:
+        return response
 
 
 def _xpub_descriptor(

core/src/apps/bitcoin/keychain.py

@@ -21,6 +21,7 @@ if TYPE_CHECKING:
         VerifyMessage,
     )
     from trezor.protobuf import MessageType
+    from trezor.wire import MaybeEarlyResponse
     from typing_extensions import Protocol
 
     from apps.common import coininfo
@@ -43,7 +44,7 @@ if TYPE_CHECKING:
         script_type: InputScriptType
 
     MsgIn = TypeVar("MsgIn", bound=BitcoinMessage)
-    HandlerWithCoinInfo = Callable[..., Awaitable[MsgOut]]
+    HandlerWithCoinInfo = Callable[..., Awaitable[MaybeEarlyResponse[MsgOut]]]
 
 # BIP-45 for multisig: https://github.com/bitcoin/bips/blob/master/bip-0045.mediawiki
 PATTERN_BIP45 = "m/45'/[0-100]/change/address_index"
@@ -316,7 +317,7 @@ def with_keychain(func: HandlerWithCoinInfo[MsgOut]) -> Handler[MsgIn, MsgOut]:
     async def wrapper(
         msg: BitcoinMessage,
         auth_msg: MessageType | None = None,
-    ) -> MsgOut:
+    ) -> MaybeEarlyResponse[MsgOut]:
         coin = _get_coin_by_name(msg.coin_name)
         unlock_schemas = _get_unlock_schemas(msg, auth_msg, coin)
         keychain = await _get_keychain_for_coin(coin, unlock_schemas)

core/src/apps/cardano/get_address.py

@@ -4,14 +4,17 @@ from . import seed
 
 if TYPE_CHECKING:
     from trezor.messages import CardanoAddress, CardanoGetAddress
+    from trezor.wire import MaybeEarlyResponse
 
 
 @seed.with_keychain
 async def get_address(
     msg: CardanoGetAddress, keychain: seed.Keychain
-) -> CardanoAddress:
+) -> MaybeEarlyResponse[CardanoAddress]:
     from trezor import log, wire
     from trezor.messages import CardanoAddress
+    from trezor.ui.layouts import show_continue_in_app
+    from trezor.wire import early_response
 
     from . import addresses
     from .helpers.credential import Credential, should_show_credentials
@@ -32,7 +35,11 @@ async def get_address(
             log.exception(__name__, e)
         raise wire.ProcessError("Deriving address failed")
 
+    response = CardanoAddress(address=address)
+
     if msg.show_display:
+        from trezor import TR
+
         # _display_address
         if should_show_credentials(address_parameters):
             await show_credentials(
@@ -42,5 +49,8 @@ async def get_address(
         await show_cardano_address(
             address_parameters, address, msg.protocol_magic, chunkify=bool(msg.chunkify)
         )
+        return await early_response(
+            response, show_continue_in_app(TR.address__confirmed)
+        )
 
-    return CardanoAddress(address=address)
+    return response

core/src/apps/cardano/get_public_key.py

@@ -7,12 +7,13 @@ from . import seed
 
 if TYPE_CHECKING:
     from trezor.messages import CardanoGetPublicKey, CardanoPublicKey
+    from trezor.wire import MaybeEarlyResponse
 
 
 @seed.with_keychain
 async def get_public_key(
     msg: CardanoGetPublicKey, keychain: seed.Keychain
-) -> CardanoPublicKey:
+) -> MaybeEarlyResponse[CardanoPublicKey]:
     from trezor import log, wire
     from trezor.ui.layouts import show_pubkey
 
@@ -37,10 +38,17 @@ async def get_public_key(
         raise wire.ProcessError("Deriving public key failed")
 
     if msg.show_display:
+        from trezor.ui.layouts import show_continue_in_app
+        from trezor.wire import early_response
+
         from apps.common.paths import address_n_to_str
 
         path = address_n_to_str(address_n)
         await show_pubkey(key.xpub, TR.address__public_key, path=path)
+        return await early_response(
+            key, show_continue_in_app(TR.address__public_key_confirmed)
+        )
+
     return key
 
 

core/src/apps/cardano/seed.py

@@ -21,6 +21,7 @@ if TYPE_CHECKING:
     from trezor import messages
     from trezor.crypto import bip32
     from trezor.enums import CardanoDerivationType
+    from trezor.wire import MaybeEarlyResponse
 
     from apps.common.keychain import Handler, MsgOut
     from apps.common.paths import Bip32Path
@@ -33,7 +34,9 @@ if TYPE_CHECKING:
     )
     MsgIn = TypeVar("MsgIn", bound=CardanoMessages)
 
-    HandlerWithKeychain = Callable[[MsgIn, "Keychain"], Awaitable[MsgOut]]
+    HandlerWithKeychain = Callable[
+        [MsgIn, "Keychain"], Awaitable[MaybeEarlyResponse[MsgOut]]
+    ]
 
 
 class Keychain:
@@ -183,7 +186,7 @@ async def _get_keychain(derivation_type: CardanoDerivationType) -> Keychain:
 
 
 def with_keychain(func: HandlerWithKeychain[MsgIn, MsgOut]) -> Handler[MsgIn, MsgOut]:
-    async def wrapper(msg: MsgIn) -> MsgOut:
+    async def wrapper(msg: MsgIn) -> MaybeEarlyResponse[MsgOut]:
         keychain = await _get_keychain(msg.derivation_type)
         return await func(msg, keychain)
 

core/src/apps/common/keychain.py

@@ -9,6 +9,7 @@ if TYPE_CHECKING:
     from typing import Any, Awaitable, Callable, Iterable, TypeVar
 
     from trezor.protobuf import MessageType
+    from trezor.wire import MaybeEarlyResponse
     from typing_extensions import Protocol
 
     from .seed import Slip21Node
@@ -27,8 +28,10 @@ if TYPE_CHECKING:
     MsgIn = TypeVar("MsgIn", bound=MessageType)
     MsgOut = TypeVar("MsgOut", bound=MessageType)
 
-    Handler = Callable[[MsgIn], Awaitable[MsgOut]]
-    HandlerWithKeychain = Callable[[MsgIn, "Keychain"], Awaitable[MsgOut]]
+    Handler = Callable[[MsgIn], Awaitable[MaybeEarlyResponse[MsgOut]]]
+    HandlerWithKeychain = Callable[
+        [MsgIn, "Keychain"], Awaitable[MaybeEarlyResponse[MsgOut]]
+    ]
 
     class Deletable(Protocol):
         def __del__(self) -> None: ...
@@ -194,7 +197,7 @@ def with_slip44_keychain(
     schemas = [s.copy() for s in schemas]
 
     def decorator(func: HandlerWithKeychain[MsgIn, MsgOut]) -> Handler[MsgIn, MsgOut]:
-        async def wrapper(msg: MsgIn) -> MsgOut:
+        async def wrapper(msg: MsgIn) -> MaybeEarlyResponse[MsgOut]:
             keychain = await get_keychain(curve, schemas)
             with keychain:
                 return await func(msg, keychain)

core/src/apps/eos/get_public_key.py

@@ -4,14 +4,19 @@ from apps.common.keychain import auto_keychain
 
 if TYPE_CHECKING:
     from trezor.messages import EosGetPublicKey, EosPublicKey
+    from trezor.wire import MaybeEarlyResponse
 
     from apps.common.keychain import Keychain
 
 
 @auto_keychain(__name__)
-async def get_public_key(msg: EosGetPublicKey, keychain: Keychain) -> EosPublicKey:
+async def get_public_key(
+    msg: EosGetPublicKey, keychain: Keychain
+) -> MaybeEarlyResponse[EosPublicKey]:
     from trezor.crypto.curve import secp256k1
     from trezor.messages import EosPublicKey
+    from trezor.ui.layouts import show_continue_in_app
+    from trezor.wire import early_response
 
     from apps.common import paths
 
@@ -24,11 +29,18 @@ async def get_public_key(msg: EosGetPublicKey, keychain: Keychain) -> EosPublicK
 
     public_key = secp256k1.publickey(node.private_key(), True)
     wif = public_key_to_wif(public_key)
+    response = EosPublicKey(wif_public_key=wif, raw_public_key=public_key)
 
     if msg.show_display:
+        from trezor import TR
+
         from . import PATTERN, SLIP44_ID
 
         path = paths.address_n_to_str(msg.address_n)
         account = paths.get_account_name("EOS", msg.address_n, PATTERN, SLIP44_ID)
         await require_get_public_key(wif, path, account)
-    return EosPublicKey(wif_public_key=wif, raw_public_key=public_key)
+        return await early_response(
+            response, show_continue_in_app(TR.address__public_key_confirmed)
+        )
+
+    return response

core/src/apps/ethereum/get_address.py

@@ -4,6 +4,7 @@ from .keychain import PATTERNS_ADDRESS, with_keychain_from_path
 
 if TYPE_CHECKING:
     from trezor.messages import EthereumAddress, EthereumGetAddress
+    from trezor.wire import MaybeEarlyResponse
 
     from apps.common.keychain import Keychain
 
@@ -15,9 +16,10 @@ async def get_address(
     msg: EthereumGetAddress,
     keychain: Keychain,
     defs: Definitions,
-) -> EthereumAddress:
+) -> MaybeEarlyResponse[EthereumAddress]:
     from trezor.messages import EthereumAddress
-    from trezor.ui.layouts import show_address
+    from trezor.ui.layouts import show_address, show_continue_in_app
+    from trezor.wire import early_response
 
     from apps.common import paths
 
@@ -30,8 +32,11 @@ async def get_address(
     node = keychain.derive(address_n)
 
     address = address_from_bytes(node.ethereum_pubkeyhash(), defs.network)
+    response = EthereumAddress(address=address)
 
     if msg.show_display:
+        from trezor import TR
+
         slip44_id = address_n[1]  # it depends on the network (ETH vs ETC...)
         await show_address(
             address,
@@ -41,5 +46,8 @@ async def get_address(
             ),
             chunkify=bool(msg.chunkify),
         )
+        return await early_response(
+            response, show_continue_in_app(TR.address__confirmed)
+        )
 
-    return EthereumAddress(address=address)
+    return response

core/src/apps/ethereum/get_public_key.py

@@ -2,21 +2,32 @@ from typing import TYPE_CHECKING
 
 if TYPE_CHECKING:
     from trezor.messages import EthereumGetPublicKey, EthereumPublicKey
+    from trezor.wire import MaybeEarlyResponse
 
 
-async def get_public_key(msg: EthereumGetPublicKey) -> EthereumPublicKey:
+async def get_public_key(
+    msg: EthereumGetPublicKey,
+) -> MaybeEarlyResponse[EthereumPublicKey]:
     from ubinascii import hexlify
 
-    from trezor.messages import EthereumPublicKey, GetPublicKey
-    from trezor.ui.layouts import show_pubkey
+    from trezor.messages import EthereumPublicKey, GetPublicKey, PublicKey
+    from trezor.ui.layouts import show_continue_in_app, show_pubkey
+    from trezor.wire import early_response
 
     from apps.bitcoin import get_public_key as bitcoin_get_public_key
 
     # we use the Bitcoin format for Ethereum xpubs
-    btc_pubkey_msg = GetPublicKey(address_n=msg.address_n)
-    resp = await bitcoin_get_public_key.get_public_key(btc_pubkey_msg)
+    btc_pubkey_msg = GetPublicKey(address_n=msg.address_n, show_display=False)
+    btc_resp = await bitcoin_get_public_key.get_public_key(btc_pubkey_msg)
+    assert PublicKey.is_type_of(btc_resp)
 
+    response = EthereumPublicKey(node=btc_resp.node, xpub=btc_resp.xpub)
     if msg.show_display:
-        await show_pubkey(hexlify(resp.node.public_key).decode())
+        from trezor import TR
 
-    return EthereumPublicKey(node=resp.node, xpub=resp.xpub)
+        await show_pubkey(hexlify(response.node.public_key).decode())
+        return await early_response(
+            response, show_continue_in_app(TR.address__public_key_confirmed)
+        )
+
+    return response

core/src/apps/ethereum/keychain.py

@@ -17,6 +17,7 @@ if TYPE_CHECKING:
         EthereumSignTxEIP1559,
         EthereumSignTypedData,
     )
+    from trezor.wire import MaybeEarlyResponse
 
     from apps.common.keychain import Handler, Keychain, MsgOut
 
@@ -30,7 +31,7 @@ if TYPE_CHECKING:
 
     HandlerAddressN = Callable[
         [MsgInAddressN, Keychain, definitions.Definitions],
-        Awaitable[MsgOut],
+        Awaitable[MaybeEarlyResponse[MsgOut]],
     ]
 
     # messages for "with_keychain_and_defs_from_chain_id" decorator
@@ -42,7 +43,7 @@ if TYPE_CHECKING:
 
     HandlerChainId = Callable[
         [MsgInSignTx, Keychain, definitions.Definitions],
-        Awaitable[MsgOut],
+        Awaitable[MaybeEarlyResponse[MsgOut]],
     ]
 
 
@@ -120,7 +121,7 @@ def with_keychain_from_path(
     def decorator(
         func: HandlerAddressN[MsgInAddressN, MsgOut]
     ) -> Handler[MsgInAddressN, MsgOut]:
-        async def wrapper(msg: MsgInAddressN) -> MsgOut:
+        async def wrapper(msg: MsgInAddressN) -> MaybeEarlyResponse[MsgOut]:
             slip44 = _slip44_from_address_n(msg.address_n)
             defs = _defs_from_message(msg, slip44=slip44)
             schemas = _schemas_from_network(patterns, defs.network)
@@ -137,7 +138,7 @@ def with_keychain_from_chain_id(
     func: HandlerChainId[MsgInSignTx, MsgOut]
 ) -> Handler[MsgInSignTx, MsgOut]:
     # this is only for SignTx, and only PATTERN_ADDRESS is allowed
-    async def wrapper(msg: MsgInSignTx) -> MsgOut:
+    async def wrapper(msg: MsgInSignTx) -> MaybeEarlyResponse[MsgOut]:
         defs = _defs_from_message(msg, chain_id=msg.chain_id)
         schemas = _schemas_from_network(PATTERNS_ADDRESS, defs.network)
         keychain = await get_keychain(CURVE, schemas)

core/src/apps/management/recovery_device/layout.py

@@ -100,7 +100,7 @@ async def show_dry_run_result(result: bool, is_slip39: bool) -> None:
             text = TR.recovery__dry_run_slip39_valid_match
         else:
             text = TR.recovery__dry_run_bip39_valid_match
-        await show_success("success_dry_recovery", text, button=TR.buttons__continue)
+        await show_success("success_dry_recovery", text)
     else:
         if is_slip39:
             text = TR.recovery__dry_run_slip39_valid_mismatch

core/src/apps/management/reset_device/__init__.py

@@ -144,7 +144,12 @@ async def reset_device(msg: ResetDevice) -> Success:
 
 async def _entropy_check(secret: bytes) -> bool:
     """Returns True to indicate that entropy check loop should end."""
-    from trezor.messages import EntropyCheckContinue, EntropyCheckReady, GetPublicKey
+    from trezor.messages import (
+        EntropyCheckContinue,
+        EntropyCheckReady,
+        GetPublicKey,
+        PublicKey,
+    )
     from trezor.wire.context import call_any
 
     from apps.bitcoin.get_public_key import get_public_key
@@ -171,6 +176,7 @@ async def _entropy_check(secret: bytes) -> bool:
         curve_name = req.ecdsa_curve_name or coininfo.by_name(req.coin_name).curve_name
         keychain = Keychain(seed, curve_name, [paths.AlwaysMatchingSchema])
         msg = await get_public_key(req, keychain=keychain)
+        assert PublicKey.is_type_of(msg)
 
 
 async def _backup_bip39(mnemonic: str) -> None:

core/src/apps/monero/get_address.py

@@ -4,15 +4,19 @@ from apps.common.keychain import auto_keychain
 
 if TYPE_CHECKING:
     from trezor.messages import MoneroAddress, MoneroGetAddress
+    from trezor.wire import MaybeEarlyResponse
 
     from apps.common.keychain import Keychain
 
 
 @auto_keychain(__name__)
-async def get_address(msg: MoneroGetAddress, keychain: Keychain) -> MoneroAddress:
+async def get_address(
+    msg: MoneroGetAddress, keychain: Keychain
+) -> MaybeEarlyResponse[MoneroAddress]:
     from trezor import wire
     from trezor.messages import MoneroAddress
-    from trezor.ui.layouts import show_address
+    from trezor.ui.layouts import show_address, show_continue_in_app
+    from trezor.wire import early_response
 
     from apps.common import paths
     from apps.monero import misc
@@ -65,7 +69,11 @@ async def get_address(msg: MoneroGetAddress, keychain: Keychain) -> MoneroAddres
             crypto_helpers.encodepoint(pub_view),
         )
 
+    response = MoneroAddress(address=addr.encode())
+
     if msg.show_display:
+        from trezor import TR
+
         from . import PATTERN, SLIP44_ID
 
         await show_address(
@@ -75,5 +83,8 @@ async def get_address(msg: MoneroGetAddress, keychain: Keychain) -> MoneroAddres
             account=paths.get_account_name("XMR", msg.address_n, PATTERN, SLIP44_ID),
             chunkify=bool(msg.chunkify),
         )
+        return await early_response(
+            response, show_continue_in_app(TR.address__confirmed)
+        )
 
-    return MoneroAddress(address=addr.encode())
+    return response

core/src/apps/nem/get_address.py

@@ -6,14 +6,18 @@ from . import CURVE, PATTERNS, SLIP44_ID
 
 if TYPE_CHECKING:
     from trezor.messages import NEMAddress, NEMGetAddress
+    from trezor.wire import MaybeEarlyResponse
 
     from apps.common.keychain import Keychain
 
 
 @with_slip44_keychain(*PATTERNS, slip44_id=SLIP44_ID, curve=CURVE)
-async def get_address(msg: NEMGetAddress, keychain: Keychain) -> NEMAddress:
+async def get_address(
+    msg: NEMGetAddress, keychain: Keychain
+) -> MaybeEarlyResponse[NEMAddress]:
     from trezor.messages import NEMAddress
-    from trezor.ui.layouts import show_address
+    from trezor.ui.layouts import show_address, show_continue_in_app
+    from trezor.wire import early_response
 
     from apps.common import paths
 
@@ -28,8 +32,11 @@ async def get_address(msg: NEMGetAddress, keychain: Keychain) -> NEMAddress:
 
     node = keychain.derive(address_n)
     address = node.nem_address(network)
+    response = NEMAddress(address=address)
 
     if msg.show_display:
+        from trezor import TR
+
         from . import PATTERNS, SLIP44_ID
 
         await show_address(
@@ -40,5 +47,8 @@ async def get_address(msg: NEMGetAddress, keychain: Keychain) -> NEMAddress:
             network=get_network_str(network),
             chunkify=bool(msg.chunkify),
         )
+        return await early_response(
+            response, show_continue_in_app(TR.address__confirmed)
+        )
 
-    return NEMAddress(address=address)
+    return response

core/src/apps/ripple/get_address.py

@@ -4,15 +4,19 @@ from apps.common.keychain import auto_keychain
 
 if TYPE_CHECKING:
     from trezor.messages import RippleAddress, RippleGetAddress
+    from trezor.wire import MaybeEarlyResponse
 
     from apps.common.keychain import Keychain
 
 
 @auto_keychain(__name__)
-async def get_address(msg: RippleGetAddress, keychain: Keychain) -> RippleAddress:
+async def get_address(
+    msg: RippleGetAddress, keychain: Keychain
+) -> MaybeEarlyResponse[RippleAddress]:
     # NOTE: local imports here saves 20 bytes
     from trezor.messages import RippleAddress
-    from trezor.ui.layouts import show_address
+    from trezor.ui.layouts import show_address, show_continue_in_app
+    from trezor.wire import early_response
 
     from apps.common import paths
 
@@ -25,8 +29,11 @@ async def get_address(msg: RippleGetAddress, keychain: Keychain) -> RippleAddres
     node = keychain.derive(address_n)
     pubkey = node.public_key()
     address = address_from_public_key(pubkey)
+    response = RippleAddress(address=address)
 
     if msg.show_display:
+        from trezor import TR
+
         from . import PATTERN, SLIP44_ID
 
         await show_address(
@@ -35,5 +42,8 @@ async def get_address(msg: RippleGetAddress, keychain: Keychain) -> RippleAddres
             account=paths.get_account_name("XRP", msg.address_n, PATTERN, SLIP44_ID),
             chunkify=bool(msg.chunkify),
         )
+        return await early_response(
+            response, show_continue_in_app(TR.address__confirmed)
+        )
 
-    return RippleAddress(address=address)
+    return response

core/src/apps/solana/get_address.py

@@ -8,6 +8,7 @@ from . import CURVE, PATTERNS, SLIP44_ID
 
 if TYPE_CHECKING:
     from trezor.messages import SolanaAddress, SolanaGetAddress
+    from trezor.wire import MaybeEarlyResponse
 
     from apps.common.keychain import Keychain
 
@@ -16,9 +17,10 @@ if TYPE_CHECKING:
 async def get_address(
     msg: SolanaGetAddress,
     keychain: Keychain,
-) -> SolanaAddress:
+) -> MaybeEarlyResponse[SolanaAddress]:
     from trezor.messages import SolanaAddress
-    from trezor.ui.layouts import show_address
+    from trezor.ui.layouts import show_address, show_continue_in_app
+    from trezor.wire import early_response
 
     from apps.common import paths
 
@@ -26,12 +28,18 @@ async def get_address(
 
     public_key = derive_public_key(keychain, msg.address_n)
     address = base58.encode(public_key)
+    response = SolanaAddress(address=address)
 
     if msg.show_display:
+        from trezor import TR
+
         await show_address(
             address,
             path=paths.address_n_to_str(msg.address_n),
             chunkify=bool(msg.chunkify),
         )
+        return await early_response(
+            response, show_continue_in_app(TR.address__confirmed)
+        )
 
-    return SolanaAddress(address=address)
+    return response

core/src/apps/solana/get_public_key.py

@@ -9,6 +9,7 @@ from . import CURVE, PATTERNS, SLIP44_ID
 
 if TYPE_CHECKING:
     from trezor.messages import SolanaGetPublicKey, SolanaPublicKey
+    from trezor.wire import MaybeEarlyResponse
 
     from apps.common.keychain import Keychain
 
@@ -16,19 +17,26 @@ if TYPE_CHECKING:
 @with_slip44_keychain(*PATTERNS, slip44_id=SLIP44_ID, curve=CURVE)
 async def get_public_key(
     msg: SolanaGetPublicKey, keychain: Keychain
-) -> SolanaPublicKey:
+) -> MaybeEarlyResponse[SolanaPublicKey]:
     from trezor.messages import SolanaPublicKey
-    from trezor.ui.layouts import show_pubkey
+    from trezor.ui.layouts import show_continue_in_app, show_pubkey
+    from trezor.wire import early_response
 
     public_key = derive_public_key(keychain, msg.address_n)
+    response = SolanaPublicKey(public_key=public_key)
 
     if msg.show_display:
+        from trezor import TR
+
         from apps.common.paths import address_n_to_str
 
         path = address_n_to_str(msg.address_n)
         await show_pubkey(base58.encode(public_key), path=path)
+        return await early_response(
+            response, show_continue_in_app(TR.address__public_key_confirmed)
+        )
 
-    return SolanaPublicKey(public_key=public_key)
+    return response
 
 
 def derive_public_key(keychain: Keychain, address_n: list[int]) -> bytes:

core/src/apps/stellar/get_address.py

@@ -4,14 +4,18 @@ from apps.common.keychain import auto_keychain
 
 if TYPE_CHECKING:
     from trezor.messages import StellarAddress, StellarGetAddress
+    from trezor.wire import MaybeEarlyResponse
 
     from apps.common.keychain import Keychain
 
 
 @auto_keychain(__name__)
-async def get_address(msg: StellarGetAddress, keychain: Keychain) -> StellarAddress:
+async def get_address(
+    msg: StellarGetAddress, keychain: Keychain
+) -> MaybeEarlyResponse[StellarAddress]:
     from trezor.messages import StellarAddress
-    from trezor.ui.layouts import show_address
+    from trezor.ui.layouts import show_address, show_continue_in_app
+    from trezor.wire import early_response
 
     from apps.common import paths, seed
 
@@ -24,8 +28,11 @@ async def get_address(msg: StellarGetAddress, keychain: Keychain) -> StellarAddr
     node = keychain.derive(address_n)
     pubkey = seed.remove_ed25519_prefix(node.public_key())
     address = helpers.address_from_public_key(pubkey)
+    response = StellarAddress(address=address)
 
     if msg.show_display:
+        from trezor import TR
+
         from . import PATTERN, SLIP44_ID
 
         await show_address(
@@ -35,5 +42,8 @@ async def get_address(msg: StellarGetAddress, keychain: Keychain) -> StellarAddr
             account=paths.get_account_name("XLM", msg.address_n, PATTERN, SLIP44_ID),
             chunkify=bool(msg.chunkify),
         )
+        return await early_response(
+            response, show_continue_in_app(TR.address__confirmed)
+        )
 
-    return StellarAddress(address=address)
+    return response

core/src/apps/tezos/get_address.py

@@ -6,15 +6,19 @@ from . import CURVE, PATTERNS, SLIP44_ID
 
 if TYPE_CHECKING:
     from trezor.messages import TezosAddress, TezosGetAddress
+    from trezor.wire import MaybeEarlyResponse
 
     from apps.common.keychain import Keychain
 
 
 @with_slip44_keychain(*PATTERNS, slip44_id=SLIP44_ID, curve=CURVE)
-async def get_address(msg: TezosGetAddress, keychain: Keychain) -> TezosAddress:
+async def get_address(
+    msg: TezosGetAddress, keychain: Keychain
+) -> MaybeEarlyResponse[TezosAddress]:
     from trezor.crypto import hashlib
     from trezor.messages import TezosAddress
-    from trezor.ui.layouts import show_address
+    from trezor.ui.layouts import show_address, show_continue_in_app
+    from trezor.wire import early_response
 
     from apps.common import paths, seed
 
@@ -29,8 +33,11 @@ async def get_address(msg: TezosGetAddress, keychain: Keychain) -> TezosAddress:
     pk = seed.remove_ed25519_prefix(node.public_key())
     pkh = hashlib.blake2b(pk, outlen=helpers.PUBLIC_KEY_HASH_SIZE).digest()
     address = helpers.base58_encode_check(pkh, helpers.TEZOS_ED25519_ADDRESS_PREFIX)
+    response = TezosAddress(address=address)
 
     if msg.show_display:
+        from trezor import TR
+
         from . import PATTERNS, SLIP44_ID
 
         await show_address(
@@ -39,5 +46,8 @@ async def get_address(msg: TezosGetAddress, keychain: Keychain) -> TezosAddress:
             account=paths.get_account_name("XTZ", address_n, PATTERNS, SLIP44_ID),
             chunkify=bool(msg.chunkify),
         )
+        return await early_response(
+            response, show_continue_in_app(TR.address__confirmed)
+        )
 
-    return TezosAddress(address=address)
+    return response

core/src/apps/tezos/get_public_key.py

@@ -6,14 +6,18 @@ from . import CURVE, PATTERNS, SLIP44_ID
 
 if TYPE_CHECKING:
     from trezor.messages import TezosGetPublicKey, TezosPublicKey
+    from trezor.wire import MaybeEarlyResponse
 
     from apps.common.keychain import Keychain
 
 
 @with_slip44_keychain(*PATTERNS, slip44_id=SLIP44_ID, curve=CURVE)
-async def get_public_key(msg: TezosGetPublicKey, keychain: Keychain) -> TezosPublicKey:
+async def get_public_key(
+    msg: TezosGetPublicKey, keychain: Keychain
+) -> MaybeEarlyResponse[TezosPublicKey]:
     from trezor.messages import TezosPublicKey
-    from trezor.ui.layouts import show_pubkey
+    from trezor.ui.layouts import show_continue_in_app, show_pubkey
+    from trezor.wire import early_response
 
     from apps.common import paths, seed
 
@@ -24,12 +28,18 @@ async def get_public_key(msg: TezosGetPublicKey, keychain: Keychain) -> TezosPub
     node = keychain.derive(msg.address_n)
     pk = seed.remove_ed25519_prefix(node.public_key())
     pk_prefixed = helpers.base58_encode_check(pk, helpers.TEZOS_PUBLICKEY_PREFIX)
+    response = TezosPublicKey(public_key=pk_prefixed)
 
     if msg.show_display:
+        from trezor import TR
+
         from . import PATTERNS, SLIP44_ID
 
         account = paths.get_account_name("XTZ", msg.address_n, PATTERNS, SLIP44_ID)
         path = paths.address_n_to_str(msg.address_n)
         await show_pubkey(pk_prefixed, account=account, path=path)
+        return await early_response(
+            response, show_continue_in_app(TR.address__public_key_confirmed)
+        )
 
-    return TezosPublicKey(public_key=pk_prefixed)
+    return response

core/src/trezor/ui/layouts/bolt/__init__.py

@@ -401,6 +401,10 @@ def show_success(
     )
 
 
+async def show_continue_in_app(content: str) -> None:
+    return
+
+
 async def confirm_output(
     address: str,
     amount: str,

core/src/trezor/ui/layouts/caesar/__init__.py

@@ -464,6 +464,10 @@ def show_success(
     )
 
 
+async def show_continue_in_app(content: str) -> None:
+    return
+
+
 async def confirm_output(
     address: str,
     amount: str,

core/src/trezor/ui/layouts/delizia/__init__.py

@@ -235,12 +235,6 @@ async def show_address(
         )
         return result
 
-    title_success = (
-        TR.address__public_key_confirmed
-        if title in ("XPUB", TR.address__public_key)
-        else TR.address__confirmed
-    )
-
     await raise_if_not_confirmed(
         trezorui_api.flow_get_address(
             address=address,
@@ -253,7 +247,6 @@ async def show_address(
             account=account,
             path=path,
             xpubs=[(xpub_title(i), xpub) for i, xpub in enumerate(xpubs)],
-            title_success=title_success,
             br_name=br_name,
             br_code=br_code,
         ),
@@ -349,22 +342,33 @@ def show_danger(
 
 
 def show_success(
-    br_name: str,
+    br_name: str | None,
     content: str,
     subheader: str | None = None,
     button: str | None = None,
+    time_ms: int = 0,
 ) -> Awaitable[None]:
     return raise_if_not_confirmed(
         trezorui_api.show_success(
             title=content,
-            button="",
-            description=subheader if subheader else "",
+            button=button or "",
+            description=subheader or "",
+            time_ms=time_ms,
         ),
         br_name,
         ButtonRequestType.Success,
     )
 
 
+def show_continue_in_app(content: str) -> Awaitable[None]:
+    return show_success(
+        content=content,
+        button=TR.instructions__continue_in_app,
+        time_ms=3200,
+        br_name=None,
+    )
+
+
 async def confirm_output(
     address: str,
     amount: str | None = None,

core/src/trezor/wire/__init__.py

@@ -41,7 +41,7 @@ if __debug__:
 
 if TYPE_CHECKING:
     from trezorio import WireInterface
-    from typing import Any, Callable, Coroutine, TypeVar
+    from typing import Any, Awaitable, Callable, Coroutine, Generic, TypeAlias, TypeVar
 
     Msg = TypeVar("Msg", bound=protobuf.MessageType)
     HandlerTask = Coroutine[Any, Any, protobuf.MessageType]
@@ -49,6 +49,28 @@ if TYPE_CHECKING:
 
     LoadedMessageType = TypeVar("LoadedMessageType", bound=protobuf.MessageType)
 
+    class EarlyResponse(Generic[Msg]):
+        """Marker type (when the response is sent before the last layout is shown)."""
+
+    MaybeEarlyResponse: TypeAlias = Msg | EarlyResponse[Msg]
+
+else:
+    EarlyResponse = object
+
+
+_EARLY_RESPONSE = EarlyResponse()
+
+
+async def early_response(response: Msg, layout: Awaitable[None]) -> EarlyResponse[Msg]:
+    from .context import get_context
+
+    # first, send the response back to the client
+    await get_context().write(response)
+    # then, show the success layout
+    await layout
+    # return a special marker object
+    return _EARLY_RESPONSE
+
 
 class BufferProvider:
     def __init__(self, size: int) -> None:

core/src/trezor/wire/message_handler.py

@@ -63,6 +63,8 @@ async def handle_single_message(ctx: Context, msg: Message) -> bool:
     the type of message is supposed to be optimized and not disrupt the running state,
     this function will return `True`.
     """
+    from . import _EARLY_RESPONSE
+
     if __debug__:
         try:
             msg_type = protobuf.type_for_wire(msg.type).MESSAGE_NAME
@@ -75,8 +77,6 @@ async def handle_single_message(ctx: Context, msg: Message) -> bool:
             msg_type,
         )
 
-    res_msg: protobuf.MessageType | None = None
-
     # We need to find a handler for this message type.
     try:
         handler: Handler = find_handler(ctx.iface, msg.type)
@@ -159,7 +159,7 @@ async def handle_single_message(ctx: Context, msg: Message) -> bool:
                 wire_log.exception(__name__, ctx.iface, exc)
         res_msg = failure(exc)
 
-    if res_msg is not None:
+    if res_msg is not _EARLY_RESPONSE:
         # perform the write outside the big try-except block, so that usb write
         # problem bubbles up
         await ctx.write(res_msg)