Fantom-foundation/go-lachesis

package eventcheck

import (
    "errors"

    "github.com/Fantom-foundation/go-lachesis/eventcheck/epochcheck"
)

var (
    ErrAlreadyConnectedEvent = errors.New("event is connected already")
    ErrMigration             = errors.New("network migration")
)

func IsBan(err error) bool {
    if err == epochcheck.ErrNotRelevant ||
        err == ErrAlreadyConnectedEvent ||
        err == ErrMigration {
        return false
    }
    return err != nil
}