feat(core): add TestNet support for Cardano sign-message

Author: somebodyLi

common/protob/messages-cardano.proto

@@ -536,6 +536,8 @@ message CardanoSignMessage {
     required CardanoDerivationType derivation_type = 3;
     required uint32 network_id = 4;                                 // network id - mainnet or testnet
     optional CardanoAddressType address_type = 5;                   // one of the CardanoAddressType
+    optional uint32 protocol_magic = 6;                             // network's protocol magic - needed for Byron addresses on testnets
+
 }
 
 /**

core/src/apps/cardano/sign_message.py

@@ -8,7 +8,6 @@
 
 from . import seed
 from .addresses import assert_params_cond
-from .helpers.paths import SCHEMA_STAKING_ANY_ACCOUNT
 
 if TYPE_CHECKING:
     from trezor.wire import Context
@@ -22,7 +21,8 @@ async def sign_message(
     from trezor.messages import CardanoMessageSignature, CardanoAddressParametersType
     from trezor.enums import CardanoAddressType
     from apps.common import paths
-    from .helpers.paths import SCHEMA_MINT, SCHEMA_PAYMENT
+    from .helpers.paths import SCHEMA_PAYMENT, SCHEMA_STAKING_ANY_ACCOUNT
+
     from trezor.crypto.curve import ed25519
     from trezor import wire
     from .helpers import network_ids, protocol_magics
@@ -38,10 +38,10 @@ async def sign_message(
         msg.address_n,
         True,
         # path must match the PUBKEY schema
-        (SCHEMA_PAYMENT.match(msg.address_n) or SCHEMA_MINT.match(msg.address_n)),
+        SCHEMA_PAYMENT.match(msg.address_n),
     )
-    if msg.network_id != network_ids.MAINNET:
-        raise wire.ProcessError("Invalid Networ ID")
+    if msg.protocol_magic is None and (msg.network_id != network_ids.MAINNET):
+        raise wire.ProcessError("Invalid Network id, need protocol magic provide")
 
     address_type = msg.address_type if msg.address_type else CardanoAddressType.BASE
     address_n = msg.address_n
@@ -70,7 +70,7 @@ async def sign_message(
             script_payment_hash=None,
             script_staking_hash=None,
         ),
-        protocol_magics.MAINNET,
+        protocol_magics.MAINNET if msg.protocol_magic is None else msg.protocol_magic,
         msg.network_id,
     )
     address = addresses.encode_human_readable(address_bytes)

core/src/trezor/messages.py

@@ -2431,6 +2431,7 @@ class CardanoSignMessage(protobuf.MessageType):
         derivation_type: "CardanoDerivationType"
         network_id: "int"
         address_type: "CardanoAddressType | None"
+        protocol_magic: "int | None"
 
         def __init__(
             self,
@@ -2440,6 +2441,7 @@ def __init__(
             network_id: "int",
             address_n: "list[int] | None" = None,
             address_type: "CardanoAddressType | None" = None,
+            protocol_magic: "int | None" = None,
         ) -> None:
             pass