Fix dynamic network matching with chain ID 0 when uninitialized

Author: apaillier-ledger

src/network.c

@@ -111,18 +111,21 @@ static const network_info_t NETWORK_MAPPING[] = {
 };
 
 static const network_info_t *get_network_from_chain_id(const uint64_t *chain_id) {
-    // Look if the network is available
-    for (size_t i = 0; i < MAX_DYNAMIC_NETWORKS; i++) {
-        if (DYNAMIC_NETWORK_INFO[i].chain_id == *chain_id) {
-            PRINTF("[NETWORK] - Found dynamic %s\n", DYNAMIC_NETWORK_INFO[i].name);
-            return (const network_info_t *) &DYNAMIC_NETWORK_INFO[i];
+    if (*chain_id != 0) {
+        // Look if the network is available
+        for (size_t i = 0; i < MAX_DYNAMIC_NETWORKS; i++) {
+            if (DYNAMIC_NETWORK_INFO[i].chain_id == *chain_id) {
+                PRINTF("[NETWORK] - Found dynamic %s\n", DYNAMIC_NETWORK_INFO[i].name);
+                return (const network_info_t *) &DYNAMIC_NETWORK_INFO[i];
+            }
         }
-    }
-    // Fallback to hardcoded table
-    for (size_t i = 0; i < ARRAYLEN(NETWORK_MAPPING); i++) {
-        if (NETWORK_MAPPING[i].chain_id == *chain_id) {
-            PRINTF("[NETWORK] - Fallback on hardcoded list. Found %s\n", NETWORK_MAPPING[i].name);
-            return (const network_info_t *) &NETWORK_MAPPING[i];
+        // Fallback to hardcoded table
+        for (size_t i = 0; i < ARRAYLEN(NETWORK_MAPPING); i++) {
+            if (NETWORK_MAPPING[i].chain_id == *chain_id) {
+                PRINTF("[NETWORK] - Fallback on hardcoded list. Found %s\n",
+                       NETWORK_MAPPING[i].name);
+                return (const network_info_t *) &NETWORK_MAPPING[i];
+            }
         }
     }
     return NULL;