App now has all the network icons and can use them when needed

src_nbgl/network_icons.c

@@ -0,0 +1,20 @@
+#include "os_utils.h"
+#include "os_pic.h"
+#include "net_icons.gen.h"
+
+/**
+ * Get the network icon from a given chain ID
+ *
+ * Loops onto the generated \ref g_network_icons array until a chain ID matches.
+ *
+ * @param[in] chain_id network's chain ID
+ * @return the network icon if found, \ref NULL otherwise
+ */
+const nbgl_icon_details_t *get_network_icon_from_chain_id(const uint64_t *chain_id) {
+    for (size_t i = 0; i < ARRAYLEN(g_network_icons); ++i) {
+        if ((uint64_t) PIC(g_network_icons[i].chain_id) == *chain_id) {
+            return PIC(g_network_icons[i].icon);
+        }
+    }
+    return NULL;
+}

src_nbgl/network_icons.h

@@ -0,0 +1,9 @@
+#ifndef NETWORK_ICONS_H_
+#define NETWORK_ICONS_H_
+
+#include <stdbool.h>
+#include "nbgl_types.h"
+
+const nbgl_icon_details_t *get_network_icon_from_chain_id(const uint64_t *chain_id);
+
+#endif  // NETWORK_ICONS_H_

src_nbgl/ui_approve_tx.c

@@ -7,6 +7,7 @@
 #include "ui_signing.h"
 #include "plugins.h"
 #include "domain_name.h"
+#include "network_icons.h"
 
 #define TEXT_TX "transaction"
 // 1 more than actually displayed on screen, because of calculations in StaticReview
@@ -190,7 +191,12 @@ static const nbgl_icon_details_t *get_tx_icon(void) {
             }
         }
     } else {
-        icon = get_app_icon(false);
+        uint64_t chain_id = get_tx_chain_id();
+        if (chain_id == chainConfig->chainId) {
+            icon = get_app_icon(false);
+        } else {
+            icon = get_network_icon_from_chain_id(&chain_id);
+        }
     }
     return icon;
 }

src_nbgl/ui_get_public_key.c

@@ -3,6 +3,7 @@
 #include "ui_callbacks.h"
 #include "ui_nbgl.h"
 #include "network.h"
+#include "network_icons.h"
 
 static void cancel_send(void) {
     io_seproxyhal_touch_address_cancel(NULL);
@@ -34,6 +35,8 @@ static void display_addr(void) {
 }
 
 void ui_display_public_key(const uint64_t *chain_id) {
+    const nbgl_icon_details_t *icon;
+
     // - if a chain_id is given and it's - known, we specify its network name
     //                                   - unknown, we don't specify anything
     // - if no chain_id is given we specify the APPNAME (legacy behaviour)
@@ -45,14 +48,11 @@ void ui_display_public_key(const uint64_t *chain_id) {
                     sizeof(g_stax_shared_buffer));
             strlcat(g_stax_shared_buffer, "\n", sizeof(g_stax_shared_buffer));
         }
+        icon = get_network_icon_from_chain_id(chain_id);
     } else {
         strlcat(g_stax_shared_buffer, APPNAME "\n", sizeof(g_stax_shared_buffer));
+        icon = get_app_icon(false);
     }
     strlcat(g_stax_shared_buffer, "address", sizeof(g_stax_shared_buffer));
-    nbgl_useCaseReviewStart(get_app_icon(false),
-                            g_stax_shared_buffer,
-                            NULL,
-                            "Cancel",
-                            display_addr,
-                            reject_addr);
+    nbgl_useCaseReviewStart(icon, g_stax_shared_buffer, NULL, "Cancel", display_addr, reject_addr);
 }