Fix NBGL EIP-712 on Flex

client/src/ledger_app_clients/ethereum/eip712/InputData.py

@@ -332,7 +332,10 @@ def next_timeout(_signum: int, _frame):
 
 
 def enable_autonext():
-    delay = 1/5
+    if app_client._client.firmware.device in ("stax", "flex"):
+        delay = 1/3
+    else:
+        delay = 1/4
     signal.setitimer(signal.ITIMER_REAL, delay, delay)
 
 

src_nbgl/ui_message_signing.c

@@ -41,10 +41,18 @@ void ui_message_start(const char *title,
                             ui_message_confirm_rejection);
 }
 
-void ui_message_712_approved(void) {
+static void ui_message_712_approved(void) {
     ui_712_approve();
 }
 
-void ui_message_712_rejected(void) {
+static void ui_message_712_rejected(void) {
     ui_712_reject();
 }
+
+void ui_typed_message_review_choice(bool confirm) {
+    if (confirm) {
+        nbgl_useCaseReviewStatus(STATUS_TYPE_MESSAGE_SIGNED, ui_message_712_approved);
+    } else {
+        nbgl_useCaseReviewStatus(STATUS_TYPE_MESSAGE_REJECTED, ui_message_712_rejected);
+    }
+}

src_nbgl/ui_message_signing.h

@@ -2,6 +2,7 @@
 #define UI_MESSAGE_SIGNING_H_
 
 #include <stdbool.h>
+#include "ui_signing.h"
 
 #define TEXT_MESSAGE       "message"
 #define TEXT_TYPED_MESSAGE "typed " TEXT_MESSAGE
@@ -13,8 +14,6 @@ void ui_message_start(const char *title,
                       void (*start_func)(void),
                       void (*approved_func)(void),
                       void (*rejected_func)(void));
-
-void ui_message_712_approved(void);
-void ui_message_712_rejected(void);
+void ui_typed_message_review_choice(bool confirm);
 
 #endif  // UI_MESSAGE_SIGNING_H_

src_nbgl/ui_sign_712.c

@@ -1,80 +1,56 @@
 #ifdef HAVE_EIP712_FULL_SUPPORT
 
+#include <string.h>  // explicit_bzero
 #include "common_ui.h"
 #include "ui_nbgl.h"
 #include "ui_logic.h"
 #include "common_712.h"
 #include "nbgl_use_case.h"
-#include "network.h"
 #include "ui_message_signing.h"
-#include "ui_signing.h"
 
 static nbgl_contentTagValue_t pair;
-
-static bool display_sign_page(uint8_t page, nbgl_pageContent_t *content) {
-    (void) page;
-    content->type = INFO_LONG_PRESS, content->infoLongPress.icon = get_app_icon(true);
-    content->infoLongPress.text = TEXT_SIGN_EIP712;
-    content->infoLongPress.longPressText = SIGN_BUTTON;
-    return true;
-}
-
-static bool display_review_page(uint8_t page, nbgl_pageContent_t *content) {
-    bool ret;
-    uint16_t len;
-
-    switch (page) {
-        case 0:
-            // limit the value to one page
-            nbgl_getTextMaxLenInNbLines(LARGE_MEDIUM_FONT,
-                                        strings.tmp.tmp,
-                                        SCREEN_WIDTH - (2 * BORDER_MARGIN),
-                                        NB_MAX_LINES_IN_REVIEW,
-                                        &len,
-                                        false);
-            strings.tmp.tmp[len] = '\0';
-
-            pair.item = strings.tmp.tmp2;
-            pair.value = strings.tmp.tmp;
-            content->type = TAG_VALUE_LIST;
-            content->tagValueList.nbPairs = 1;
-            content->tagValueList.pairs = &pair;
-            content->tagValueList.wrapping = false;
-            ret = true;
-            break;
-
-        case 1:
-            if (ui_712_next_field() == EIP712_NO_MORE_FIELD) {
-                ui_712_switch_to_sign();
-            }
-            __attribute__((fallthrough));
-        default:
-            ret = false;
-            break;
+static nbgl_contentTagValueList_t pairs_list;
+
+static void message_progress(bool confirm) {
+    if (confirm) {
+        if (ui_712_next_field() == EIP712_NO_MORE_FIELD) {
+            ui_712_switch_to_sign();
+        }
+    } else {
+        ui_typed_message_review_choice(false);
     }
-    return ret;
 }
 
-static void handle_display(nbgl_navCallback_t cb) {
-    nbgl_useCaseRegularReview(0, 0, REJECT_BUTTON, NULL, cb, ui_message_review_choice);
+static void message_update(bool confirm) {
+    if (confirm) {
+        explicit_bzero(&pair, sizeof(pair));
+        explicit_bzero(&pairs_list, sizeof(pairs_list));
+
+        pair.item = strings.tmp.tmp2;
+        pair.value = strings.tmp.tmp;
+        pairs_list.nbPairs = 1;
+        pairs_list.pairs = &pair;
+        pairs_list.wrapping = false;
+        nbgl_useCaseReviewStreamingContinue(&pairs_list, message_progress);
+    } else {
+        ui_typed_message_review_choice(false);
+    }
 }
 
 void ui_712_start(void) {
-    g_position = UI_SIGNING_POSITION_START;
-    ui_message_start(TEXT_REVIEW_EIP712,
-                     &ui_712_switch_to_message,
-                     &ui_message_712_approved,
-                     &ui_message_712_rejected);
+    nbgl_useCaseReviewStreamingStart(TYPE_MESSAGE,
+                                     &C_Review_64px,
+                                     TEXT_REVIEW_EIP712,
+                                     NULL,
+                                     message_update);
 }
 
 void ui_712_switch_to_message(void) {
-    g_position = UI_SIGNING_POSITION_REVIEW;
-    handle_display(display_review_page);
+    message_update(true);
 }
 
 void ui_712_switch_to_sign(void) {
-    g_position = UI_SIGNING_POSITION_SIGN;
-    handle_display(display_sign_page);
+    nbgl_useCaseReviewStreamingFinish(TEXT_SIGN_EIP712, ui_typed_message_review_choice);
 }
 
 #endif  // HAVE_EIP712_FULL_SUPPORT

src_nbgl/ui_sign_712_v0.c

@@ -4,18 +4,9 @@
 #include "ui_nbgl.h"
 #include "common_712.h"
 #include "ui_message_signing.h"
-#include "ui_signing.h"
 
 static nbgl_contentTagValue_t pairs[2];
-static nbgl_contentTagValueList_t pairsList;
-
-static void message_review_choice(bool confirm) {
-    if (confirm) {
-        nbgl_useCaseReviewStatus(STATUS_TYPE_MESSAGE_SIGNED, ui_message_712_approved);
-    } else {
-        nbgl_useCaseReviewStatus(STATUS_TYPE_MESSAGE_REJECTED, ui_message_712_rejected);
-    }
-}
+static nbgl_contentTagValueList_t pairs_list;
 
 static char *format_hash(const uint8_t *hash, char *buffer, size_t buffer_size, size_t offset) {
     array_bytes_string(buffer + offset, buffer_size - offset, hash, KECCAK256_HASH_BYTESIZE);
@@ -24,7 +15,7 @@ static char *format_hash(const uint8_t *hash, char *buffer, size_t buffer_size,
 
 void ui_sign_712_v0(void) {
     explicit_bzero(pairs, sizeof(pairs));
-    explicit_bzero(&pairsList, sizeof(pairsList));
+    explicit_bzero(&pairs_list, sizeof(pairs_list));
 
     pairs[0].item = "Domain hash";
     pairs[0].value = format_hash(tmpCtx.messageSigningContext712.domainHash,
@@ -37,15 +28,15 @@ void ui_sign_712_v0(void) {
                                  sizeof(strings.tmp.tmp),
                                  70);
 
-    pairsList.nbPairs = ARRAYLEN(pairs);
-    pairsList.pairs = pairs;
-    pairsList.nbMaxLinesForValue = 0;
+    pairs_list.nbPairs = ARRAYLEN(pairs);
+    pairs_list.pairs = pairs;
+    pairs_list.nbMaxLinesForValue = 0;
 
     nbgl_useCaseReview(TYPE_MESSAGE,
-                       &pairsList,
+                       &pairs_list,
                        &C_Review_64px,
                        TEXT_REVIEW_EIP712,
                        NULL,
                        TEXT_SIGN_EIP712,
-                       message_review_choice);
+                       ui_typed_message_review_choice);
 }

tests/ragger/test_eip712.py

@@ -150,8 +150,6 @@ def test_eip712_new(firmware: Firmware,
     app_client = EthAppClient(backend)
     if firmware.device == "nanos":
         pytest.skip("Not supported on LNS")
-    if firmware.device == "flex":
-        pytest.skip("Not yet available on Flex (due to swipe)")
 
     test_path = f"{input_file.parent}/{'-'.join(input_file.stem.split('-')[:-1])}"
 
@@ -193,8 +191,6 @@ def test_eip712_address_substitution(firmware: Firmware,
     app_client = EthAppClient(backend)
     if firmware.device == "nanos":
         pytest.skip("Not supported on LNS")
-    if firmware.device == "flex":
-        pytest.skip("Not yet available on Flex (due to swipe)")
 
     if verbose:
         test_name += "_verbose"