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events.go
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events.go
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// Copyright 2019 The Waku Library Authors.
//
// The Waku library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The Waku library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty off
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the Waku library. If not, see <http://www.gnu.org/licenses/>.
//
// This software uses the go-ethereum library, which is licensed
// under the GNU Lesser General Public Library, version 3 or any later.
package common
import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/p2p/enode"
)
// EventType used to define known waku events.
type EventType string
const (
// EventEnvelopeSent fires when envelope was sent to a peer.
EventEnvelopeSent EventType = "envelope.sent"
// EventEnvelopeExpired fires when envelop expired
EventEnvelopeExpired EventType = "envelope.expired"
// EventEnvelopeReceived is sent once envelope was received from a peer.
// EventEnvelopeReceived must be sent to the feed even if envelope was previously in the cache.
// And event, ideally, should contain information about peer that sent envelope to us.
EventEnvelopeReceived EventType = "envelope.received"
// EventBatchAcknowledged is sent when batch of envelopes was acknowledged by a peer.
EventBatchAcknowledged EventType = "batch.acknowledged"
// EventEnvelopeAvailable fires when envelop is available for filters
EventEnvelopeAvailable EventType = "envelope.available"
// EventMailServerRequestSent fires when such request is sent.
EventMailServerRequestSent EventType = "mailserver.request.sent"
// EventMailServerRequestCompleted fires after mailserver sends all the requested messages
EventMailServerRequestCompleted EventType = "mailserver.request.completed"
// EventMailServerRequestExpired fires after mailserver the request TTL ends.
// This event is independent and concurrent to EventMailServerRequestCompleted.
// Request should be considered as expired only if expiry event was received first.
EventMailServerRequestExpired EventType = "mailserver.request.expired"
// EventMailServerEnvelopeArchived fires after an envelope has been archived
EventMailServerEnvelopeArchived EventType = "mailserver.envelope.archived"
// EventMailServerSyncFinished fires when the sync of messages is finished.
EventMailServerSyncFinished EventType = "mailserver.sync.finished"
)
// EnvelopeEvent represents an envelope event.
type EnvelopeEvent struct {
Event EventType
Topic TopicType
Hash common.Hash
Batch common.Hash
Peer enode.ID
Data interface{}
}