uses actionable error message for common Ledger errors (#5448)

we've seen several errors occur commonly when the Ledger app is unavailable
either because the device is locked or the app isn't open

catches errors with these codes and displays an error message telling the user
that the error may be due to a locked device or closed app

Author: hughy

ironfish-cli/src/utils/ledger.ts

@@ -57,10 +57,8 @@ export class LedgerDkg {
         this.logger.debug(`Ledger ResponseError returnCode: ${error.returnCode.toString(16)}`)
         if (error.returnCode === LedgerDeviceLockedError.returnCode) {
           throw new LedgerDeviceLockedError('Please unlock your Ledger device.')
-        } else if (error.returnCode === LedgerAppNotOpenError.returnCode) {
-          throw new LedgerAppNotOpenError(
-            'Please open the Iron Fish app on your Ledger device.',
-          )
+        } else if (LedgerAppUnavailableError.returnCodes.includes(error.returnCode)) {
+          throw new LedgerAppUnavailableError()
         }
 
         throw new LedgerError(error.errorMessage)
@@ -440,8 +438,18 @@ export class LedgerDeviceLockedError extends LedgerError {
   static returnCode = 0x5515
 }
 
-export class LedgerAppNotOpenError extends LedgerError {
-  static returnCode = 0x6f00
+export class LedgerAppUnavailableError extends LedgerError {
+  static returnCodes = [
+    0x6d00, // Instruction not supported
+    0xffff, // Unknown transport error
+    0x6f00, // Technical error
+  ]
+
+  constructor() {
+    super(
+      `Unable to connect to Ironfish app on Ledger. Please check that the device is unlocked and the app is open.`,
+    )
+  }
 }
 
 export async function sendTransactionWithLedger(