status-go/signal/events_shhext.go

164 lines
5.3 KiB
Go

package signal
import (
"encoding/hex"
"github.com/ethereum/go-ethereum/common"
"github.com/status-im/status-go/messaging/filter"
"github.com/status-im/status-go/services/shhext/dedup"
whisper "github.com/status-im/whisper/whisperv6"
)
const (
// EventEnvelopeSent is triggered when envelope was sent at least to a one peer.
EventEnvelopeSent = "envelope.sent"
// EventEnvelopeExpired is triggered when envelop was dropped by a whisper without being sent
// to any peer
EventEnvelopeExpired = "envelope.expired"
// EventEnvelopeDiscarded is triggerd when envelope was discarded by a peer for some reason.
EventEnvelopeDiscarded = "envelope.discarded"
// EventMailServerRequestCompleted is triggered when whisper receives a message ack from the mailserver
EventMailServerRequestCompleted = "mailserver.request.completed"
// EventMailServerRequestExpired is triggered when request TTL ends
EventMailServerRequestExpired = "mailserver.request.expired"
// EventEnodeDiscovered is tiggered when enode has been discovered.
EventEnodeDiscovered = "enode.discovered"
// EventDecryptMessageFailed is triggered when we receive a message from a bundle we don't have
EventDecryptMessageFailed = "messages.decrypt.failed"
// EventBundleAdded is triggered when we receive a bundle
EventBundleAdded = "bundles.added"
// EventWhisperFilterAdded is triggered when we setup a new filter or restore existing ones
EventWhisperFilterAdded = "whisper.filter.added"
// EventNewMessages is triggered when we receive new messages
EventNewMessages = "messages.new"
)
// EnvelopeSignal includes hash of the envelope.
type EnvelopeSignal struct {
Hash common.Hash `json:"hash"`
Message string `json:"message"`
}
// MailServerResponseSignal holds the data received in the response from the mailserver.
type MailServerResponseSignal struct {
RequestID common.Hash `json:"requestID"`
LastEnvelopeHash common.Hash `json:"lastEnvelopeHash"`
Cursor string `json:"cursor"`
ErrorMsg string `json:"errorMessage"`
}
// DecryptMessageFailedSignal holds the sender of the message that could not be decrypted
type DecryptMessageFailedSignal struct {
Sender string `json:"sender"`
}
// BundleAddedSignal holds the identity and installation id of the user
type BundleAddedSignal struct {
Identity string `json:"identity"`
InstallationID string `json:"installationID"`
}
type Filter struct {
// ChatID is the identifier of the chat
ChatID string `json:"chatId"`
// SymKeyID is the symmetric key id used for symmetric chats
SymKeyID string `json:"symKeyId"`
// OneToOne tells us if we need to use asymmetric encryption for this chat
Listen bool `json:"listen"`
// FilterID the whisper filter id generated
FilterID string `json:"filterId"`
// Identity is the public key of the other recipient for non-public chats
Identity string `json:"identity"`
// Topic is the whisper topic
Topic whisper.TopicType `json:"topic"`
}
type WhisperFilterAddedSignal struct {
Filters []*Filter `json:"filters"`
}
// NewMessagesSignal notifies clients of new messages
type NewMessagesSignal struct {
Messages []*Messages `json:"messages"`
}
// SendEnvelopeSent triggered when envelope delivered at least to 1 peer.
func SendEnvelopeSent(hash common.Hash) {
send(EventEnvelopeSent, EnvelopeSignal{Hash: hash})
}
// SendEnvelopeExpired triggered when envelope delivered at least to 1 peer.
func SendEnvelopeExpired(hash common.Hash, err error) {
var message string
if err != nil {
message = err.Error()
}
send(EventEnvelopeExpired, EnvelopeSignal{Hash: hash, Message: message})
}
// SendMailServerRequestCompleted triggered when mail server response has been received
func SendMailServerRequestCompleted(requestID common.Hash, lastEnvelopeHash common.Hash, cursor []byte, err error) {
errorMsg := ""
if err != nil {
errorMsg = err.Error()
}
sig := MailServerResponseSignal{
RequestID: requestID,
LastEnvelopeHash: lastEnvelopeHash,
Cursor: hex.EncodeToString(cursor),
ErrorMsg: errorMsg,
}
send(EventMailServerRequestCompleted, sig)
}
// SendMailServerRequestExpired triggered when mail server request expires
func SendMailServerRequestExpired(hash common.Hash) {
send(EventMailServerRequestExpired, EnvelopeSignal{Hash: hash})
}
// EnodeDiscoveredSignal includes enode address and topic
type EnodeDiscoveredSignal struct {
Enode string `json:"enode"`
Topic string `json:"topic"`
}
type Messages struct {
Error error `json:"error"`
Messages []dedup.DeduplicateMessage `json:"messages"`
Chat *filter.Chat `json:"chat"`
}
// SendEnodeDiscovered tiggered when an enode is discovered.
// finds a new enode.
func SendEnodeDiscovered(enode, topic string) {
send(EventEnodeDiscovered, EnodeDiscoveredSignal{
Enode: enode,
Topic: topic,
})
}
func SendDecryptMessageFailed(sender string) {
send(EventDecryptMessageFailed, DecryptMessageFailedSignal{sender})
}
func SendBundleAdded(identity string, installationID string) {
send(EventBundleAdded, BundleAddedSignal{Identity: identity, InstallationID: installationID})
}
func SendWhisperFilterAdded(filters []*Filter) {
send(EventWhisperFilterAdded, WhisperFilterAddedSignal{Filters: filters})
}
func SendNewMessages(messages []*Messages) {
send(EventNewMessages, NewMessagesSignal{Messages: messages})
}