feat(cardano): add tx signing show details prompt

core/src/apps/cardano/layout.py

@@ -16,6 +16,7 @@ from trezor.ui.layouts import (
     confirm_path_warning,
     confirm_properties,
     confirm_text,
+    should_show_more,
     show_address,
 )
 
@@ -177,25 +178,25 @@ async def show_script_hash(
         )
 
 
-async def show_multisig_tx(ctx: wire.Context) -> None:
-    await confirm_metadata(
+async def show_tx_init(ctx: wire.Context, title: str) -> bool:
+    should_show_details = await should_show_more(
         ctx,
-        "confirm_signing_mode",
-        title="Confirm transaction",
-        content="Confirming a multisig transaction.",
-        larger_vspace=True,
-        br_code=ButtonRequestType.Other,
+        "Confirm transaction",
+        (
+            (
+                ui.BOLD,
+                title,
+            ),
+            (ui.NORMAL, "Choose level of details:"),
+        ),
+        button_text="Show All",
+        icon=ui.ICON_SEND,
+        icon_color=ui.GREEN,
+        confirm="Show Simple",
+        major_confirm=True,
     )
 
-
-async def show_plutus_tx(ctx: wire.Context) -> None:
-    await confirm_metadata(
-        ctx,
-        "confirm_signing_mode",
-        title="Confirm transaction",
-        content="Confirming a Plutus transaction.",
-        br_code=ButtonRequestType.Other,
-    )
+    return should_show_details
 
 
 async def confirm_input(ctx: wire.Context, input: messages.CardanoTxInput) -> None:

core/src/apps/cardano/sign_tx/multisig_signer.py

@@ -11,13 +11,7 @@ class MultisigSigner(Signer):
     The multisig signing mode only allows signing with multisig (and minting) keys.
     """
 
-    def __init__(
-        self,
-        ctx: wire.Context,
-        msg: messages.CardanoSignTxInit,
-        keychain: seed.Keychain,
-    ) -> None:
-        super().__init__(ctx, msg, keychain)
+    SIGNING_MODE_TITLE = "Confirming a multisig transaction."
 
     def _validate_tx_init(self) -> None:
         super()._validate_tx_init()
@@ -26,10 +20,6 @@ class MultisigSigner(Signer):
         self._assert_tx_init_cond(self.msg.total_collateral is None)
         self._assert_tx_init_cond(self.msg.reference_inputs_count == 0)
 
-    async def _show_tx_init(self) -> None:
-        await layout.show_multisig_tx(self.ctx)
-        await super()._show_tx_init()
-
     async def _confirm_tx(self, tx_hash: bytes) -> None:
         # super() omitted intentionally
         is_network_id_verifiable = self._is_network_id_verifiable()

core/src/apps/cardano/sign_tx/ordinary_signer.py

@@ -17,13 +17,7 @@ class OrdinarySigner(Signer):
     controlled by 1852' keys, dealing with staking and minting/burning tokens.
     """
 
-    def __init__(
-        self,
-        ctx: wire.Context,
-        msg: messages.CardanoSignTxInit,
-        keychain: seed.Keychain,
-    ) -> None:
-        super().__init__(ctx, msg, keychain)
+    SIGNING_MODE_TITLE = "Confirming a transaction."
 
     def _validate_tx_init(self) -> None:
         super()._validate_tx_init()

core/src/apps/cardano/sign_tx/plutus_signer.py

@@ -13,16 +13,9 @@ class PlutusSigner(Signer):
     validation rules are less strict, but more tx items/warnings are shown to the user.
     """
 
-    def __init__(
-        self,
-        ctx: wire.Context,
-        msg: messages.CardanoSignTxInit,
-        keychain: seed.Keychain,
-    ) -> None:
-        super().__init__(ctx, msg, keychain)
+    SIGNING_MODE_TITLE = "Confirming a Plutus transaction."
 
     async def _show_tx_init(self) -> None:
-        await layout.show_plutus_tx(self.ctx)
         await super()._show_tx_init()
 
         # These items should be present if a Plutus script is to be executed.

core/src/apps/cardano/sign_tx/pool_owner_signer.py

@@ -1,7 +1,7 @@
 from trezor import messages, wire
 from trezor.enums import CardanoCertificateType
 
-from .. import layout, seed
+from .. import layout
 from ..helpers.paths import SCHEMA_STAKING_ANY_ACCOUNT
 from .signer import Signer
 
@@ -19,13 +19,7 @@ class PoolOwnerSigner(Signer):
     staking key in the list of pool owners.
     """
 
-    def __init__(
-        self,
-        ctx: wire.Context,
-        msg: messages.CardanoSignTxInit,
-        keychain: seed.Keychain,
-    ) -> None:
-        super().__init__(ctx, msg, keychain)
+    SIGNING_MODE_TITLE = "Confirming pool registration as owner."
 
     def _validate_tx_init(self) -> None:
         super()._validate_tx_init()

core/src/apps/cardano/sign_tx/signer.py

@@ -43,7 +43,7 @@ from ..helpers.utils import (
 )
 
 if TYPE_CHECKING:
-    from typing import Any
+    from typing import Any, Awaitable, ClassVar
     from apps.common.paths import PathSchema
 
     CardanoTxResponseType = (
@@ -92,6 +92,8 @@ class Signer:
     user confirmation and serialization of the tx item.
     """
 
+    SIGNING_MODE_TITLE: ClassVar[str]
+
     def __init__(
         self,
         ctx: wire.Context,
@@ -131,6 +133,8 @@ class Signer:
             tx_dict_items_count, wire.ProcessError("Invalid tx signing request")
         )
 
+        self.should_show_details = False
+
     async def sign(self) -> None:
         hash_fn = hashlib.blake2b(outlen=32)
         self.tx_dict.start(hash_fn)
@@ -243,6 +247,10 @@ class Signer:
         validate_network_info(self.msg.network_id, self.msg.protocol_magic)
 
     async def _show_tx_init(self) -> None:
+        self.should_show_details = await layout.show_tx_init(
+            self.ctx, self.SIGNING_MODE_TITLE
+        )
+
         if not self._is_network_id_verifiable():
             await layout.warn_tx_network_unverifiable(self.ctx)
 

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

@@ -553,6 +553,8 @@ async def should_show_more(
     br_code: ButtonRequestType = ButtonRequestType.Other,
     icon: str = ui.ICON_DEFAULT,
     icon_color: int = ui.ORANGE_ICON,
+    confirm: ButtonContent = Confirm.DEFAULT_CONFIRM,
+    major_confirm: bool = False,
 ) -> bool:
     """Return True if the user wants to show more (they click a special button)
     and False when the user wants to continue without showing details.
@@ -568,7 +570,12 @@ async def should_show_more(
     )
     for font, text in para:
         page.content.extend((font, text, "\n"))
-    ask_dialog = Confirm(AskPaginated(page, button_text))
+
+    ask_dialog = Confirm(
+        AskPaginated(page, button_text),
+        confirm=confirm,
+        major_confirm=major_confirm,
+    )
 
     result = await raise_if_cancelled(interact(ctx, ask_dialog, br_type, br_code))
     assert result in (SHOW_PAGINATED, CONFIRMED)

core/src/trezor/ui/layouts/tt_v2/__init__.py

@@ -6,6 +6,8 @@ from trezor.enums import ButtonRequestType
 
 import trezorui2
 
+from ...components.tt.button import ButtonContent
+from ...components.tt.confirm import Confirm
 from ...constants.tt import MONO_ADDR_PER_LINE
 from ..common import button_request, interact
 
@@ -493,6 +495,8 @@ async def should_show_more(
     br_code: ButtonRequestType = ButtonRequestType.Other,
     icon: str = ui.ICON_DEFAULT,
     icon_color: int = ui.ORANGE_ICON,
+    confirm: ButtonContent = Confirm.DEFAULT_CONFIRM,
+    major_confirm: bool = False,
 ) -> bool:
     raise NotImplementedError