Fix minor ledger reported issues

Makefile

@@ -69,6 +69,4 @@ all: show-app default
 show-app:
 	@echo ">>>>> Building at commit $(COMMIT)"
 
-CFLAGS   += -Wno-incompatible-pointer-types-discards-qualifiers
-
 include $(BOLOS_SDK)/Makefile.standard_app

doc/apdu.md

@@ -209,6 +209,10 @@ accepted, the signature of the message is returned.
 
 Messages sent in more than one packet will be refused.
 
+If the `message` is a valid `baking message` (`Block` or `Consensus
+operation`), no confirmation screens will be displayed and the
+signature will be automatic.
+
 See [the messages in the specification](signing.md#messages) and the [API](https://tezos.gitlab.io/shell/p2p_api.html).
 
 ##### Input data
@@ -428,4 +432,11 @@ fixed message signed by the key associated with the `path` and `P2`.
 |--------|--------|------|------|
 | `0x80` | `0x0e` | `__` | `__` |
 
-Alias for `SIGN`
+Runs in the same way as `SIGN` except that the value returned, when *P1* is `0x01` or `0x81`, also contains the hash of the signed operation.
+
+#### Output data
+
+| Length       | Description   |
+|--------------|---------------|
+| `32`         | The hash      |
+| `<variable>` | The signature |

src/to_string.c

@@ -274,15 +274,11 @@ int microtez_to_string(char *const dest, size_t dest_size, uint64_t number) {
 
         // Eliminate trailing 0s
         char *start = tmp + sizeof(tmp) - DECIMAL_DIGITS;
-        char *end;
-        for (end = tmp + sizeof(tmp) - 1u; end >= start; end--) {
-            if (*end != '0') {
-                end++;
-                break;
-            }
+        size_t length = DECIMAL_DIGITS;
+        while ((length > 0u) && (start[length - 1u] == '0')) {
+            length--;
         }
 
-        size_t length = end - start;
         if ((dest_size - offset) < length) {
             return -1;
         }

src/to_string.h

@@ -98,13 +98,13 @@ int hwm_to_string(char *dest, size_t dest_size, high_watermark_t const *const hw
 int hwm_status_to_string(char *dest, size_t dest_size, volatile bool const *hwm_disabled);
 
 /**
- * @brief Copies a string in a buffer
+ * @brief Copies a string in a buffer.
  *
- *        `src` may be unrelocated pointer to rodata.
+ *        Returns -1 if the string is too large to fit in the buffer
  *
  * @param dest: output buffer
- * @param dest_size: size of the buffer
- * @param src: input to copy
+ * @param dest_size: size of the output buffer
+ * @param src: string to copy
  * @return int: size of the result, negative integer on failure
  */
 int copy_string(char *const dest, size_t const dest_size, char const *const src);

src/types.h

@@ -109,7 +109,7 @@ typedef struct {
  * @param in: bip32 path copied
  * @return bool: whether the copy was successful or not
  */
-static inline bool copy_bip32_path(bip32_path_t *const out, bip32_path_t volatile const *const in) {
+static inline bool copy_bip32_path(bip32_path_t *const out, bip32_path_t const *const in) {
     if ((out == NULL) || (in == NULL)) {
         return false;
     }
@@ -152,7 +152,7 @@ typedef struct {
  * @return bool: whether the copy was successful or not
  */
 static inline bool copy_bip32_path_with_curve(bip32_path_with_curve_t *const out,
-                                              bip32_path_with_curve_t volatile const *const in) {
+                                              bip32_path_with_curve_t const *const in) {
     if ((out == NULL) || (in == NULL) || !copy_bip32_path(&out->bip32_path, &in->bip32_path)) {
         return false;
     }

src/ui_nbgl.c

@@ -97,7 +97,7 @@ static bool navigation_cb_baking(uint8_t page, nbgl_pageContent_t* content) {
             content->type = INFOS_LIST;
             content->infosList.nbInfos = 3;
             content->infosList.infoTypes = bakeInfoTypes;
-            content->infosList.infoContents = bakeInfoContents;
+            content->infosList.infoContents = (const char* const*) bakeInfoContents;
             break;
         case 1:
             switches[HWM_ENABLED_TOKEN_ID].initState = (nbgl_state_t) (!hwm_disabled);

test/test_instructions.py

@@ -1086,6 +1086,44 @@ def test_sign_delegation(
         account.check_signature(signature, bytes(raw_delegation))
 
 
+
+PARAMETERS_SIGN_DELEGATION_FEES = [
+    1,
+    20000,
+    300000000,
+    50000060000,
+    789789789
+]
+
+@pytest.mark.parametrize("fee", PARAMETERS_SIGN_DELEGATION_FEES)
+def test_sign_delegation_fee(
+        fee: int,
+        tezos_navigator: TezosNavigator) -> None:
+    """Test fee display on delegation."""
+
+    account = DEFAULT_ACCOUNT
+    snap_path = Path(f"fee_{fee}")
+
+    tezos_navigator.setup_app_context(
+        account,
+        DEFAULT_CHAIN_ID,
+        main_hwm=Hwm(0, 0),
+        test_hwm=Hwm(0, 0)
+    )
+
+    delegation = Delegation(
+        delegate=account.public_key_hash,
+        source=account.public_key_hash,
+        fee=fee,
+    )
+
+    tezos_navigator.sign_delegation(
+            account,
+            delegation,
+            snap_path=snap_path
+        )
+
+
 PARAMETERS_SIGN_DELEGATION_CONSTRAINTS = [
     (
         DEFAULT_ACCOUNT_2, DEFAULT_ACCOUNT, DEFAULT_ACCOUNT, DEFAULT_ACCOUNT,