Add API to get small icons from chain_id (get_network_small_icon_from_chain_id)

Author: cedelavergne-ledger

src_nbgl/network_icons.c

@@ -18,3 +18,20 @@ const nbgl_icon_details_t *get_network_icon_from_chain_id(const uint64_t *chain_
     }
     return NULL;
 }
+
+/**
+ * Get the network small icon from a given chain ID
+ *
+ * Loops onto the generated \ref g_network_small_icons array until a chain ID matches.
+ *
+ * @param[in] chain_id network's chain ID
+ * @return the network small icon if found, \ref NULL otherwise
+ */
+const nbgl_icon_details_t *get_network_small_icon_from_chain_id(const uint64_t *chain_id) {
+    for (size_t i = 0; i < ARRAYLEN(g_network_small_icons); ++i) {
+        if ((uint64_t) PIC(g_network_small_icons[i].chain_id) == *chain_id) {
+            return PIC(g_network_small_icons[i].icon);
+        }
+    }
+    return NULL;
+}

src_nbgl/network_icons.h

@@ -5,5 +5,6 @@
 #include "nbgl_types.h"
 
 const nbgl_icon_details_t *get_network_icon_from_chain_id(const uint64_t *chain_id);
+const nbgl_icon_details_t *get_network_small_icon_from_chain_id(const uint64_t *chain_id);
 
 #endif  // NETWORK_ICONS_H_