Added a new temporary EIP-712 half-bind mode

src_features/signMessageEIP712/path.c

@@ -382,7 +382,21 @@ bool    path_set_root(const char *const struct_name, uint8_t name_length)
 
     // because the first field could be a struct type
     path_update();
+#ifdef HAVE_EIP712_HALF_BLIND
+    // Only show field for the domain
+    if (path_get_root_type() == ROOT_MESSAGE)
+    {
+        G_io_apdu_buffer[0] = 0x90;
+        G_io_apdu_buffer[1] = 0x00;
+        io_exchange(CHANNEL_APDU | IO_RETURN_AFTER_TX, 2);
+    }
+    else
+    {
+#endif // HAVE_EIP712_HALF_BLIND
     ui_712_new_root_struct(path_struct->root_struct);
+#ifdef HAVE_EIP712_HALF_BLIND
+    }
+#endif // HAVE_EIP712_HALF_BLIND
     return true;
 }