Imports github.com/google/uuid github.com/moov-io/iso8583 github.com/moov-io/iso8583/encoding github.com/moov-io/iso8583/field github.com/moov-io/iso8583/network github.com/moov-io/iso8583/padding github.com/moov-io/iso8583/prefix github.com/pkg/errors Standard library imports bufio bytes encoding/hex flag fmt io log net os os/signal strings sync syscall text/tabwriter time