Check if index is within range

common/transfer_statements.go

@@ -77,6 +77,11 @@ func GetTransferData(ctx context.Context, db storage.PrefixDb, publicKey string,
 	dates := strings.Split(string(data["txdate"]), "\n")
 	syms := strings.Split(string(data["txsym"]), "\n")
 
+	// Check if index is within range
+	if index < 1 || index > len(senders) {
+		return "", fmt.Errorf("transaction not found: index %d out of range", index)
+	}
+
 	// Adjust for 0-based indexing
 	i := index - 1
 	transactionType := "received"

internal/handlers/ussd/menuhandler.go

@@ -1754,8 +1754,8 @@ func (h *Handlers) GetTransactionsList(ctx context.Context, sym string, input []
 	return res, nil
 }
 
-// ViewTransactionStatement retrieves the token holding and balance from the subprefixDB
-// and displays it to the user for them to select it
+// ViewTransactionStatement retrieves the transaction statement
+// and displays it to the user
 func (h *Handlers) ViewTransactionStatement(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var res resource.Result
 	sessionId, ok := ctx.Value("SessionId").(string)