refactor: changed chainID handling

CMakeLists.txt

@@ -122,6 +122,7 @@ file(GLOB_RECURSE LIB_SRC
         ${CMAKE_CURRENT_SOURCE_DIR}/app/src/tx_parser.c
         ${CMAKE_CURRENT_SOURCE_DIR}/app/src/tx_display.c
         ${CMAKE_CURRENT_SOURCE_DIR}/app/src/tx_validate.c
+        ${CMAKE_CURRENT_SOURCE_DIR}/app/src/coin.c
         ${CMAKE_CURRENT_SOURCE_DIR}/deps/tinykeccak/keccak-tiny.c
         )
 

app/Makefile.version

@@ -3,4 +3,4 @@ APPVERSION_M=2
 # This is the `spec_version` field of `Runtime`
 APPVERSION_N=4
 # This is the patch version of this release
-APPVERSION_P=1
+APPVERSION_P=2

app/src/coin.c

@@ -0,0 +1,16 @@
+#include "coin.h"
+#include <stdint.h>
+#include <stddef.h>
+
+#define MAX_CHAIN_ID_LEN 20
+
+static const char SUPPORTED_CHAIN_IDS[SUPPORTED_CHAIN_COUNT][MAX_CHAIN_ID_LEN] = {
+    "thorchain",
+    "thorchain-1",
+    "thorchain-stagenet-2"
+};
+
+const char* get_supported_chain(uint8_t index) {
+    if (index >= SUPPORTED_CHAIN_COUNT) return NULL;
+    return SUPPORTED_CHAIN_IDS[index];
+}

app/src/coin.h

@@ -19,6 +19,7 @@
 extern "C" {
 #endif
 
+#include <stdint.h>
 #define CLA                  0x55u
 
 #define HDPATH_LEN_DEFAULT   5
@@ -53,8 +54,6 @@ typedef enum {
 #define APPVERSION_LINE1                   "Version:"
 #define APPVERSION_LINE2                   ("v" APPVERSION)
 
-#define COIN_DEFAULT_CHAINID                "thorchain"
-
 #define COIN_DEFAULT_DENOM_BASE             "rune"
 #define COIN_DEFAULT_DENOM_REPR             "RUNE"
 #define COIN_DEFAULT_DENOM_REPR_2           "THOR.RUNE"
@@ -80,6 +79,10 @@ typedef enum {
 #define INS_SIGN_SECP256K1              0x02u
 #define INS_GET_ADDR_SECP256K1          0x04u
 
+#define SUPPORTED_CHAIN_COUNT 3
+
+const char* get_supported_chain(uint8_t index);
+
 #ifdef __cplusplus
 }
 #endif

app/src/tx_display.c

@@ -123,19 +123,25 @@ __Z_INLINE parser_error_t calculate_is_default_chainid() {
             0, &pageCount))
 
     zemu_log_stack(outVal);
-    zemu_log_stack(COIN_DEFAULT_CHAINID);
 
-    if (strcmp(outVal, COIN_DEFAULT_CHAINID) == 0) {
-        // If we don't match the default chainid, switch to expert mode
-        display_cache.is_default_chain = true;
-        zemu_log_stack("DEFAULT Chain ");
-    } else if ((outVal[0] == 0x30 || outVal[0] == 0x31) && strlen(outVal) == 1) {
+    // Check if chain ID matches any of the supported ones
+    for (uint8_t i = 0; i < SUPPORTED_CHAIN_COUNT; i++) {
+        const char* supported_chain = get_supported_chain(i);
+        if (supported_chain == NULL) {
+            return parser_unexpected_value;
+        }
+        if (strcmp(outVal, supported_chain) == 0) {
+            display_cache.is_default_chain = true;
+            zemu_log_stack("Supported Chain");
+            return parser_ok;
+        }
+    }
+    if ((outVal[0] == 0x30 || outVal[0] == 0x31) && strlen(outVal) == 1) {
         zemu_log_stack("Not Allowed chain");
         return parser_unexpected_chain;
-    } else {
-        zemu_log_stack("Chain is NOT DEFAULT");
     }
 
+    zemu_log_stack("Chain is NOT supported");
     return parser_ok;
 }