fixes

Author: abenso

src/app.ts

@@ -131,7 +131,7 @@ export default class BaseApp {
       return processResponse(responseBuffer, this.CUSTOM_APP_ERROR_DESCRIPTION)
     } catch (e) {
       // Extract status code from error
-      const statusCode: number = (e as any).statusCode || (e as any).returnCode || 0
+      const statusCode: number = (e as any).statusCode || (e as any).returnCode || LedgerError.UnknownTransportError
       const message = (e as any).message
 
       // Create buffer based on whether error has a message

src/common.ts

@@ -60,7 +60,7 @@ export function processResponse(responseRaw: Buffer, customErrorList?: Record<Le
   // Append additional error message from payload if available
   // Avoid duplicating the error message if payload already contains it
   if (payload.length > 0) {
-    const payloadString = payload.toString('ascii')
+    const payloadString = payload.toString('utf8')
     if (!payloadString.includes(errorMessage)) {
       errorMessage += ` : ${payloadString}`
     } else {