Define better prototype for "network" functions

src_common/network.c

@@ -45,27 +45,27 @@ uint64_t get_chain_id(void) {
     return chain_id;
 }
 
-network_info_t *get_network(void) {
+const network_info_t *get_network(void) {
     uint64_t chain_id = get_chain_id();
-    for (uint8_t i = 0; i < sizeof(NETWORK_MAPPING) / sizeof(*NETWORK_MAPPING); i++) {
+    for (size_t i = 0; i < sizeof(NETWORK_MAPPING) / sizeof(*NETWORK_MAPPING); i++) {
         if (NETWORK_MAPPING[i].chain_id == chain_id) {
-            return (network_info_t *) PIC(&NETWORK_MAPPING[i]);
+            return (const network_info_t *) PIC(&NETWORK_MAPPING[i]);
         }
     }
     return NULL;
 }
 
-char *get_network_name(void) {
-    network_info_t *network = get_network();
+const char *get_network_name(void) {
+    const network_info_t *network = get_network();
     if (network == NULL) {
         return NULL;
     } else {
-        return (char *) PIC(network->name);
+        return (const char *) PIC(network->name);
     }
 }
 
-char *get_network_ticker(void) {
-    network_info_t *network = get_network();
+const char *get_network_ticker(void) {
+    const network_info_t *network = get_network();
     if (network == NULL) {
         return chainConfig->coinName;
     } else {

src_common/network.h

@@ -13,8 +13,8 @@ typedef struct network_info_s {
 // Returns the current chain id. Defaults to 0 if txType was not found.
 uint64_t get_chain_id(void);
 // Returns a pointer to the network struct, or NULL if there is none.
-network_info_t *get_network(void);
+const network_info_t *get_network(void);
 // Returns a pointer to the network name, or NULL if there is none.
-char *get_network_name(void);
+const char *get_network_name(void);
 // Returns a pointer to the network ticker, or chainConfig->coinName if there is none.
-char *get_network_ticker(void);
+const char *get_network_ticker(void);

src_features/signTx/logic_signTx.c

@@ -214,7 +214,7 @@ static void computeFees(txInt256_t *BEgasPrice, txInt256_t *BEgasLimit, uint256_
 }
 
 static void feesToString(uint256_t *rawFee, char *displayBuffer, uint32_t displayBufferSize) {
-    char *feeTicker = get_network_ticker();
+    const char *feeTicker = get_network_ticker();
     uint8_t tickerOffset = 0;
     uint32_t i;
 
@@ -261,7 +261,7 @@ void prepareFeeDisplay() {
 }
 
 void prepareNetworkDisplay() {
-    char *name = get_network_name();
+    const char *name = get_network_name();
     if (name == NULL) {
         // No network name found so simply copy the chain ID as the network name.
         uint64_t chain_id = get_chain_id();
@@ -296,7 +296,7 @@ static void get_public_key(uint8_t *out, uint8_t outLength) {
 void finalizeParsing(bool direct) {
     char displayBuffer[50];
     uint8_t decimals = WEI_TO_ETHER;
-    char *ticker = get_network_ticker();
+    const char *ticker = get_network_ticker();
     ethPluginFinalize_t pluginFinalize;
     bool genericUI = true;