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message.go
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message.go
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package libp2p
import (
"github.com/ElrondNetwork/elrond-go/p2p"
"github.com/libp2p/go-libp2p-core/peer"
"github.com/libp2p/go-libp2p-pubsub"
)
// Message is a data holder struct
type Message struct {
from []byte
data []byte
seqNo []byte
topicIds []string
signature []byte
key []byte
peer p2p.PeerID
}
// NewMessage returns a new instance of a Message object
func NewMessage(message *pubsub.Message) *Message {
msg := &Message{
from: message.From,
data: message.Data,
seqNo: message.Seqno,
topicIds: message.TopicIDs,
signature: message.Signature,
key: message.Key,
}
id, err := peer.IDFromBytes(msg.from)
if err != nil {
log.Debug(err.Error())
} else {
msg.peer = p2p.PeerID(id)
}
return msg
}
// From returns the message originator's peer ID
func (m *Message) From() []byte {
return m.from
}
// Data returns the message payload
func (m *Message) Data() []byte {
return m.data
}
// SeqNo returns the message sequence number
func (m *Message) SeqNo() []byte {
return m.seqNo
}
// TopicIDs returns the topic on which the message was sent
func (m *Message) TopicIDs() []string {
return m.topicIds
}
// Signature returns the message signature
func (m *Message) Signature() []byte {
return m.signature
}
// Key returns the message public key (if it can not be recovered from From field)
func (m *Message) Key() []byte {
return m.key
}
// Peer returns the peer that originated the message
func (m *Message) Peer() p2p.PeerID {
return m.peer
}
// IsInterfaceNil returns true if there is no value under the interface
func (m *Message) IsInterfaceNil() bool {
if m == nil {
return true
}
return false
}