status-im/status-go

package peersyncing

import "errors"

type SyncMessageType int

type SyncMessage struct {
    ID        []byte
    Type      SyncMessageType
    ChatID    []byte
    Payload   []byte
    Timestamp uint64
}

var ErrSyncMessageNotValid = errors.New("sync message not valid")

func (s *SyncMessage) Valid() error {
    valid := len(s.ID) != 0 && s.Type != SyncMessageNoType && len(s.ChatID) != 0 && len(s.Payload) != 0 && s.Timestamp != 0
    if !valid {
        return ErrSyncMessageNotValid
    }
    return nil
}

const (
    SyncMessageNoType SyncMessageType = iota
    SyncMessageCommunityType
    SyncMessageOneToOneType
    SyncMessagePrivateGroup
)