go-waku: RequestAllHistoricMessages (#2258)

* feat: update wakuv2 store

* check online using waku version for now

* fix peerId and from/to multiplier

* fix: lint

* fix: handle waku2 cursors

* fix: code review

* fix: code review 2

* update go-waku version

* update vendor folder

eth-node/bridge/geth/waku.go

@@ -5,8 +5,6 @@ import (
 	"errors"
 	"time"
 
-	"github.com/status-im/go-waku/waku/v2/protocol/store"
-
 	"github.com/status-im/status-go/eth-node/types"
 	"github.com/status-im/status-go/waku"
 	wakucommon "github.com/status-im/status-go/waku/common"
@@ -36,6 +34,10 @@ func (w *gethWakuWrapper) PublicWakuAPI() types.PublicWakuAPI {
 	return NewGethPublicWakuAPIWrapper(waku.NewPublicWakuAPI(w.waku))
 }
 
+func (w *gethWakuWrapper) Version() uint {
+	return 1
+}
+
 // MinPow returns the PoW value required by this node.
 func (w *gethWakuWrapper) MinPow() float64 {
 	return w.waku.MinPow()
@@ -183,8 +185,8 @@ func (w *gethWakuWrapper) RequestHistoricMessagesWithTimeout(peerID []byte, enve
 	return w.waku.RequestHistoricMessagesWithTimeout(peerID, envelope.Unwrap().(*wakucommon.Envelope), timeout)
 }
 
-func (w *gethWakuWrapper) RequestStoreMessages(topics []types.TopicType, from uint64, to uint64, options []store.HistoryRequestOption) error {
+func (w *gethWakuWrapper) RequestStoreMessages(peerID []byte, r types.MessagesRequest) (*types.StoreRequestCursor, error) {
-	return errors.New("Not implemented")
+	return nil, errors.New("not implemented")
 }
 
 type wakuFilterWrapper struct {

eth-node/bridge/geth/wakuv2.go

@@ -5,6 +5,8 @@ import (
 	"errors"
 	"time"
 
+	"github.com/libp2p/go-libp2p-core/peer"
+	"github.com/status-im/go-waku/waku/v2/protocol/pb"
 	"github.com/status-im/go-waku/waku/v2/protocol/store"
 
 	"github.com/status-im/status-go/eth-node/types"
@@ -36,6 +38,10 @@ func (w *gethWakuV2Wrapper) PublicWakuAPI() types.PublicWakuAPI {
 	return NewGethPublicWakuV2APIWrapper(wakuv2.NewPublicWakuAPI(w.waku))
 }
 
+func (w *gethWakuV2Wrapper) Version() uint {
+	return 2
+}
+
 // MinPow returns the PoW value required by this node.
 func (w *gethWakuV2Wrapper) MinPow() float64 {
 	return 0
@@ -164,6 +170,47 @@ func (w *gethWakuV2Wrapper) SendMessagesRequest(peerID []byte, r types.MessagesR
 	return errors.New("DEPRECATED")
 }
 
+func (w *gethWakuV2Wrapper) RequestStoreMessages(peerID []byte, r types.MessagesRequest) (*types.StoreRequestCursor, error) {
+	var options []store.HistoryRequestOption
+
+	peer, err := peer.Decode(string(peerID))
+	if err != nil {
+		return nil, err
+	}
+	options = []store.HistoryRequestOption{
+		store.WithPeer(peer),
+		store.WithPaging(false, uint64(r.Limit)),
+	}
+
+	if r.Cursor != nil {
+		options = append(options, store.WithCursor(&pb.Index{
+			Digest:       r.StoreCursor.Digest,
+			ReceiverTime: r.StoreCursor.ReceiverTime,
+			SenderTime:   r.StoreCursor.SenderTime,
+		}))
+	}
+
+	var topics []types.TopicType
+	for _, topic := range r.Topics {
+		topics = append(topics, types.BytesToTopic(topic))
+	}
+
+	pbCursor, err := w.waku.Query(topics, uint64(r.From), uint64(r.To), options)
+	if err != nil {
+		return nil, err
+	}
+
+	if pbCursor != nil {
+		return &types.StoreRequestCursor{
+			Digest:       pbCursor.Digest,
+			ReceiverTime: pbCursor.ReceiverTime,
+			SenderTime:   pbCursor.SenderTime,
+		}, nil
+	}
+
+	return nil, nil
+}
+
 // RequestHistoricMessages sends a message with p2pRequestCode to a specific peer,
 // which is known to implement MailServer interface, and is supposed to process this
 // request and respond with a number of peer-to-peer messages (possibly expired),
@@ -173,10 +220,6 @@ func (w *gethWakuV2Wrapper) RequestHistoricMessagesWithTimeout(peerID []byte, en
 	return errors.New("DEPRECATED")
 }
 
-func (w *gethWakuV2Wrapper) RequestStoreMessages(topics []types.TopicType, from uint64, to uint64, options []store.HistoryRequestOption) error {
-	return w.waku.Query(topics, from, to, options)
-}
-
 type wakuV2FilterWrapper struct {
 	filter *wakucommon.Filter
 	id     string

eth-node/types/mailserver.go

@@ -24,6 +24,8 @@ type MessagesRequest struct {
 	Limit uint32 `json:"limit"`
 	// Cursor is used as starting point for paginated requests.
 	Cursor []byte `json:"cursor"`
+	// StoreCursor is used as starting point for WAKUV2 paginatedRequests
+	StoreCursor *StoreRequestCursor `json:"storeCursor"`
 	// Bloom is a filter to match requested messages.
 	Bloom []byte `json:"bloom"`
 
@@ -32,6 +34,12 @@ type MessagesRequest struct {
 	Topics [][]byte `json:"topics"`
 }
 
+type StoreRequestCursor struct {
+	Digest       []byte  `json:"digest"`
+	ReceiverTime float64 `json:"receiverTime"`
+	SenderTime   float64 `json:"senderTime"`
+}
+
 // SetDefaults sets the From and To defaults
 func (r *MessagesRequest) SetDefaults(now time.Time) {
 	// set From and To defaults

eth-node/types/waku.go

@@ -3,8 +3,6 @@ package types
 import (
 	"crypto/ecdsa"
 	"time"
-
-	"github.com/status-im/go-waku/waku/v2/protocol/store"
 )
 
 // Whisper represents a dark communication interface through the Ethereum
@@ -12,6 +10,9 @@ import (
 type Waku interface {
 	PublicWakuAPI() PublicWakuAPI
 
+	// Waku protocol version
+	Version() uint
+
 	// MinPow returns the PoW value required by this node.
 	MinPow() float64
 	// BloomFilter returns the aggregated bloom filter for all the topics of interest.
@@ -56,5 +57,5 @@ type Waku interface {
 	SendMessagesRequest(peerID []byte, request MessagesRequest) error
 
 	// RequestStoreMessages uses the WAKU2-STORE protocol to request historic messages
-	RequestStoreMessages(topics []TopicType, from uint64, to uint64, options []store.HistoryRequestOption) error
+	RequestStoreMessages(peerID []byte, request MessagesRequest) (*StoreRequestCursor, error)
 }

go.mod

@@ -18,8 +18,7 @@ require (
 	github.com/ethereum/go-ethereum v1.10.4
 	github.com/go-playground/universal-translator v0.17.0 // indirect
 	github.com/golang-migrate/migrate/v4 v4.8.0 // indirect
-	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
+	github.com/golang/mock v1.4.4
-	github.com/golang/mock v1.4.1
 	github.com/golang/protobuf v1.5.2
 	github.com/google/uuid v1.2.0
 	github.com/ipfs/go-log v1.0.4
@@ -42,13 +41,13 @@ require (
 	github.com/oliamb/cutter v0.2.2
 	github.com/pborman/uuid v1.2.0
 	github.com/pkg/errors v0.9.1
-	github.com/prometheus/client_golang v1.9.0
+	github.com/prometheus/client_golang v1.11.0
 	github.com/russolsen/ohyeah v0.0.0-20160324131710-f4938c005315 // indirect
 	github.com/russolsen/same v0.0.0-20160222130632-f089df61f51d // indirect
 	github.com/russolsen/transit v0.0.0-20180705123435-0794b4c4505a
 	github.com/status-im/doubleratchet v3.0.0+incompatible
-	github.com/status-im/go-waku v0.0.0-20210624095504-4133155590da
+	github.com/status-im/go-waku v0.0.0-20210711181138-a2ff7f3df962
-	github.com/status-im/go-wakurelay-pubsub v0.4.2
+	github.com/status-im/go-wakurelay-pubsub v0.4.3-0.20210711180556-9afd35dadd3f
 	github.com/status-im/markdown v0.0.0-20201022101546-c0cbdd5763bf
 	github.com/status-im/migrate/v4 v4.6.2-status.2
 	github.com/status-im/rendezvous v1.3.2

go.sum

@@ -9,16 +9,34 @@ cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTj
 cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
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+cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
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+contrib.go.opencensus.io/exporter/prometheus v0.3.0/go.mod h1:rpCPVQKhiyH8oomWgm34ZmgIdZa8OVYO5WAIygPbBBE=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
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@@ -263,10 +281,12 @@ github.com/glycerine/goconvey v0.0.0-20190410193231-58a59202ab31/go.mod h1:Ogl1T
 github.com/go-check/check v0.0.0-20180628173108-788fd7840127/go.mod h1:9ES+weclKsC9YodN5RgxqK/VD9HM9JsCSh7rNhMZE98=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
+github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
 github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
 github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
 github.com/go-kit/kit v0.10.0 h1:dXFJfIHVvUcpSgDOV+Ne6t7jXri8Tfv2uOLHUZ2XNuo=
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+github.com/go-kit/log v0.1.0/go.mod h1:zbhenjAZHb184qTLMA9ZjW7ThYL0H2mk7Q6pNt4vbaY=
 github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
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@@ -308,13 +328,19 @@ github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da/go.mod h1:cIg4er
 github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/mock v1.3.1/go.mod h1:sBzyDLLjw3U8JLTeZvSv8jJB+tU5PVekmnlKIyFUx0Y=
+github.com/golang/mock v1.4.0/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
 github.com/golang/mock v1.4.1 h1:ocYkMQY5RrXTYgXl7ICpV0IXwlEQGwKIsery4gyXa1U=
 github.com/golang/mock v1.4.1/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
+github.com/golang/mock v1.4.3/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
+github.com/golang/mock v1.4.4 h1:l75CXGRSwbaYNpl/Z2X1XIIAMSCquvXgpVZDhwEIJsc=
+github.com/golang/mock v1.4.4/go.mod h1:l3mdAwkq5BuhzHwde/uurv3sEJeZMXNpwsxVWU71h+4=
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 github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
+github.com/golang/protobuf v1.3.4/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
+github.com/golang/protobuf v1.3.5/go.mod h1:6O5/vntMXwX2lRkT1hjjk0nAC1IDOTvTlVgjlRvqsdk=
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@@ -340,6 +366,8 @@ github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw
 github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
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 github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.3/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
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@@ -350,12 +378,18 @@ github.com/google/gofuzz v1.1.1-0.20200604201612-c04b05f3adfa/go.mod h1:dBl0BpW6
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@@ -1145,6 +1203,9 @@ github.com/xeipuuv/gojsonschema v1.2.0/go.mod h1:anYRn/JVcOK2ZgGU+IjEV4nwlhoK5sQ
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@@ -1160,6 +1221,8 @@ go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
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@@ -1219,6 +1282,9 @@ golang.org/x/exp v0.0.0-20190829153037-c13cbed26979/go.mod h1:86+5VVa7VpoJ4kLfm0
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@@ -1233,11 +1299,16 @@ golang.org/x/lint v0.0.0-20190909230951-414d861bb4ac/go.mod h1:6SW0HCj/g11FgYtHl
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@@ -1265,17 +1336,31 @@ golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn
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@@ -1285,6 +1370,7 @@ golang.org/x/oauth2 v0.0.0-20190402181905-9f3314589c9a/go.mod h1:gOpvHmFTYa4Iltr
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@@ -1292,6 +1378,7 @@ golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJ
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@@ -1328,6 +1415,7 @@ golang.org/x/sys v0.0.0-20190826190057-c7b8b68b1456/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -1339,13 +1427,23 @@ golang.org/x/sys v0.0.0-20191220142924-d4481acd189f/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -1358,6 +1456,7 @@ golang.org/x/sys v0.0.0-20210316164454-77fc1eacc6aa/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -1411,11 +1510,30 @@ golang.org/x/tools v0.0.0-20191113191852-77e3bb0ad9e7/go.mod h1:b+2E5dAYhXwXZwtn
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@@ -1438,6 +1556,15 @@ google.golang.org/api v0.9.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEn
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@@ -1445,6 +1572,7 @@ google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7
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@@ -1462,8 +1590,25 @@ google.golang.org/genproto v0.0.0-20191115194625-c23dd37a84c9/go.mod h1:n3cpQtvx
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@@ -1476,9 +1621,16 @@ google.golang.org/grpc v1.23.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyac
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+google.golang.org/grpc v1.33.2 h1:EQyQC3sa8M+p6Ulc8yy9SWSS2GVwyRc83gAbG8lrl4o=
+google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -1487,6 +1639,7 @@ google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzi
 google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
 google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0 h1:bxAC2xTBsZGibn2RTntX0oH50xLsqy1OxA9tTL3p/lk=
@@ -1506,6 +1659,7 @@ gopkg.in/go-playground/validator.v9 v9.31.0 h1:bmXmP2RSNtFES+bn4uYuHT7iJFJv7Vj+a
 gopkg.in/go-playground/validator.v9 v9.31.0/go.mod h1:+c9/zcJMFNgbLvly1L1V+PpxWdVbfP1avr/N00E2vyQ=
 gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
 gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/ini.v1 v1.62.0 h1:duBzk771uxoUuOlyRLkHsygud9+5lrlGjdFBb4mSKDU=
 gopkg.in/ini.v1 v1.62.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/natefinch/lumberjack.v2 v2.0.0 h1:1Lc07Kr7qY4U2YPouBjpCLxpiyxIVoxqXgkXLknAOE8=
 gopkg.in/natefinch/lumberjack.v2 v2.0.0/go.mod h1:l0ndWWf7gzL7RNwBG7wST/UCcT4T24xpD6X8LsfU/+k=
@@ -1541,6 +1695,8 @@ honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWh
 honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
+honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
+honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
 honnef.co/go/tools v0.1.3 h1:qTakTkI6ni6LFD5sBwwsdSO+AQqbSIxOauHTTQKZ/7o=
 honnef.co/go/tools v0.1.3/go.mod h1:NgwopIslSNH47DimFoV78dnkksY2EFtX0ajyb3K/las=
 modernc.org/b v1.0.0/go.mod h1:uZWcZfRj1BpYzfN9JTerzlNUnnPsV9O2ZA8JsRcubNg=

protocol/messenger.go

@@ -515,6 +515,10 @@ func (m *Messenger) handleConnectionChange(online bool) {
 }
 
 func (m *Messenger) online() bool {
+	// TODO: we are still missing peer management in wakuv2
+	if m.transport.WakuVersion() == 2 {
+		return true
+	}
 	return m.node.PeersCount() > 0
 }
 
@@ -3033,12 +3037,13 @@ func (m *Messenger) RequestHistoricMessages(
 	ctx context.Context,
 	from, to uint32,
 	cursor []byte,
+	storeCursor *types.StoreRequestCursor,
 	waitForResponse bool,
-) ([]byte, error) {
+) ([]byte, *types.StoreRequestCursor, error) {
 	if m.mailserver == nil {
-		return nil, errors.New("no mailserver selected")
+		return nil, nil, errors.New("no mailserver selected")
 	}
-	return m.transport.SendMessagesRequest(ctx, m.mailserver, from, to, cursor, waitForResponse)
+	return m.transport.SendMessagesRequest(ctx, m.mailserver, from, to, cursor, storeCursor, waitForResponse)
 }
 
 func (m *Messenger) MessageByID(id string) (*common.Message, error) {

protocol/messenger_communities.go

@@ -668,10 +668,11 @@ func (m *Messenger) RequestCommunityInfoFromMailserver(communityID string) error
 	now := uint32(m.transport.GetCurrentTime() / 1000)
 	monthAgo := now - (86400 * 30)
 
-	_, err := m.RequestHistoricMessagesForFilter(context.Background(),
+	_, _, err := m.RequestHistoricMessagesForFilter(context.Background(),
 		monthAgo,
 		now,
 		nil,
+		nil,
 		filter,
 		false)
 

protocol/messenger_mailserver.go

@@ -349,14 +349,14 @@ func (m *Messenger) calculateGapForChat(chat *Chat, from uint32) (*common.Messag
 
 func (m *Messenger) processMailserverBatch(batch MailserverBatch) error {
 	m.logger.Info("syncing topic", zap.Any("topic", batch.Topics), zap.Int64("from", int64(batch.From)), zap.Int64("to", int64(batch.To)))
-	cursor, err := m.transport.SendMessagesRequestForTopics(context.Background(), m.mailserver, batch.From, batch.To, nil, batch.Topics, true)
+	cursor, storeCursor, err := m.transport.SendMessagesRequestForTopics(context.Background(), m.mailserver, batch.From, batch.To, nil, nil, batch.Topics, true)
 	if err != nil {
 		return err
 	}
-	for len(cursor) != 0 {
+	for len(cursor) != 0 || storeCursor != nil {
 		m.logger.Info("retrieved cursor", zap.Any("cursor", cursor))
 
-		cursor, err = m.transport.SendMessagesRequest(context.Background(), m.mailserver, batch.From, batch.To, cursor, true)
+		cursor, storeCursor, err = m.transport.SendMessagesRequest(context.Background(), m.mailserver, batch.From, batch.To, cursor, storeCursor, true)
 		if err != nil {
 			return err
 		}
@@ -377,14 +377,15 @@ func (m *Messenger) RequestHistoricMessagesForFilter(
 	ctx context.Context,
 	from, to uint32,
 	cursor []byte,
+	previousStoreCursor *types.StoreRequestCursor,
 	filter *transport.Filter,
 	waitForResponse bool,
-) ([]byte, error) {
+) ([]byte, *types.StoreRequestCursor, error) {
 	if m.mailserver == nil {
-		return nil, errors.New("no mailserver selected")
+		return nil, nil, errors.New("no mailserver selected")
 	}
 
-	return m.transport.SendMessagesRequestForFilter(ctx, m.mailserver, from, to, cursor, filter, waitForResponse)
+	return m.transport.SendMessagesRequestForFilter(ctx, m.mailserver, from, to, cursor, previousStoreCursor, filter, waitForResponse)
 }
 
 func (m *Messenger) SyncChatFromSyncedFrom(chatID string) (uint32, error) {

protocol/transport/transport.go

@@ -6,6 +6,7 @@ import (
 	"crypto/ecdsa"
 	"database/sql"
 	"encoding/hex"
+	"fmt"
 	"sync"
 	"time"
 
@@ -405,7 +406,11 @@ func (t *Transport) cleanFiltersLoop() {
 	}()
 }
 
-func (t *Transport) SendMessagesRequestForTopics(
+func (t *Transport) WakuVersion() uint {
+	return t.waku.Version()
+}
+
+func (t *Transport) createMessagesRequestV1(
 	ctx context.Context,
 	peerID []byte,
 	from, to uint32,
@@ -413,8 +418,7 @@ func (t *Transport) SendMessagesRequestForTopics(
 	topics []types.TopicType,
 	waitForResponse bool,
 ) (cursor []byte, err error) {
-
+	r := createMessagesRequest(from, to, previousCursor, nil, topics)
-	r := createMessagesRequest(from, to, previousCursor, topics)
 
 	events := make(chan types.EnvelopeEvent, 10)
 	sub := t.waku.SubscribeEnvelopeEvents(events)
@@ -429,12 +433,48 @@ func (t *Transport) SendMessagesRequestForTopics(
 		return
 	}
 
-	resp, err := t.waitForRequestCompleted(ctx, r.ID, events)
+	var resp *types.MailServerResponse
+	resp, err = t.waitForRequestCompleted(ctx, r.ID, events)
 	if err == nil && resp != nil && resp.Error != nil {
 		err = resp.Error
 	} else if err == nil && resp != nil {
 		cursor = resp.Cursor
 	}
+
+	return
+}
+
+func (t *Transport) createMessagesRequestV2(
+	peerID []byte,
+	from, to uint32,
+	previousStoreCursor *types.StoreRequestCursor,
+	topics []types.TopicType,
+) (storeCursor *types.StoreRequestCursor, err error) {
+	r := createMessagesRequest(from, to, nil, previousStoreCursor, topics)
+	storeCursor, err = t.waku.RequestStoreMessages(peerID, r)
+	if err != nil {
+		return
+	}
+	return
+}
+
+func (t *Transport) SendMessagesRequestForTopics(
+	ctx context.Context,
+	peerID []byte,
+	from, to uint32,
+	previousCursor []byte,
+	previousStoreCursor *types.StoreRequestCursor,
+	topics []types.TopicType,
+	waitForResponse bool,
+) (cursor []byte, storeCursor *types.StoreRequestCursor, err error) {
+	switch t.waku.Version() {
+	case 2:
+		storeCursor, err = t.createMessagesRequestV2(peerID, from, to, previousStoreCursor, topics)
+	case 1:
+		cursor, err = t.createMessagesRequestV1(ctx, peerID, from, to, previousCursor, topics, waitForResponse)
+	default:
+		err = fmt.Errorf("unsupported version %d", t.waku.Version())
+	}
 	return
 }
 
@@ -444,15 +484,16 @@ func (t *Transport) SendMessagesRequest(
 	peerID []byte,
 	from, to uint32,
 	previousCursor []byte,
+	previousStoreCursor *types.StoreRequestCursor,
 	waitForResponse bool,
-) (cursor []byte, err error) {
+) (cursor []byte, storeCursor *types.StoreRequestCursor, err error) {
 
 	topics := make([]types.TopicType, len(t.Filters()))
 	for _, f := range t.Filters() {
 		topics = append(topics, f.Topic)
 	}
 
-	return t.SendMessagesRequestForTopics(ctx, peerID, from, to, previousCursor, topics, waitForResponse)
+	return t.SendMessagesRequestForTopics(ctx, peerID, from, to, previousCursor, previousStoreCursor, topics, waitForResponse)
 }
 
 func (t *Transport) SendMessagesRequestForFilter(
@@ -460,17 +501,18 @@ func (t *Transport) SendMessagesRequestForFilter(
 	peerID []byte,
 	from, to uint32,
 	previousCursor []byte,
+	previousStoreCursor *types.StoreRequestCursor,
 	filter *Filter,
 	waitForResponse bool,
-) (cursor []byte, err error) {
+) (cursor []byte, storeCursor *types.StoreRequestCursor, err error) {
 
 	topics := make([]types.TopicType, len(t.Filters()))
 	topics = append(topics, filter.Topic)
 
-	return t.SendMessagesRequestForTopics(ctx, peerID, from, to, previousCursor, topics, waitForResponse)
+	return t.SendMessagesRequestForTopics(ctx, peerID, from, to, previousCursor, previousStoreCursor, topics, waitForResponse)
 }
 
-func createMessagesRequest(from, to uint32, cursor []byte, topics []types.TopicType) types.MessagesRequest {
+func createMessagesRequest(from, to uint32, cursor []byte, storeCursor *types.StoreRequestCursor, topics []types.TopicType) types.MessagesRequest {
 	aUUID := uuid.New()
 	// uuid is 16 bytes, converted to hex it's 32 bytes as expected by types.MessagesRequest
 	id := []byte(hex.EncodeToString(aUUID[:]))
@@ -479,12 +521,13 @@ func createMessagesRequest(from, to uint32, cursor []byte, topics []types.TopicT
 		topicBytes = append(topicBytes, topics[idx][:])
 	}
 	return types.MessagesRequest{
-		ID:     id,
+		ID:          id,
-		From:   from,
+		From:        from,
-		To:     to,
+		To:          to,
-		Limit:  1000,
+		Limit:       1000,
-		Cursor: cursor,
+		Cursor:      cursor,
-		Topics: topicBytes,
+		Topics:      topicBytes,
+		StoreCursor: storeCursor,
 	}
 }
 

services/ext/api.go

@@ -69,6 +69,9 @@ type MessagesRequest struct {
 	// Cursor is used as starting point for paginated requests
 	Cursor string `json:"cursor"`
 
+	// StoreCursor is used as starting point for WAKUV2 paginatedRequests
+	StoreCursor *StoreRequestCursor `json:"storeCursor"`
+
 	// Topic is a regular Whisper topic.
 	// DEPRECATED
 	Topic types.TopicType `json:"topic"`
@@ -88,40 +91,6 @@ type MessagesRequest struct {
 	Force bool `json:"force"`
 }
 
-// StoreRequest is a WakuV2 RequestMessages() request payload.
-type StoreRequest struct {
-	// MailServerPeer is MailServer's libp2p peer address.
-	MailServerPeer string `json:"mailServerPeer"`
-
-	// From is a lower bound of time range (optional).
-	// Default is 24 hours back from now.
-	From uint64 `json:"from"`
-
-	// To is a upper bound of time range (optional).
-	// Default is now.
-	To uint64 `json:"to"`
-
-	// PageSize determines the number of messages sent by the mail server
-	// for the current paginated request
-	PageSize uint64 `json:"pageSize"`
-
-	// Asc indicates if the ordering of the messages is ascending or descending  (ordered by timestamp)
-	Asc bool `json:"asc"`
-
-	// Cursor is used as starting point for paginated requests
-	Cursor *StoreRequestCursor `json:"cursor"`
-
-	// Topics is a list of Whisper topics.
-	Topics []types.TopicType `json:"topics"`
-
-	// Timeout is the time to live of the request specified in seconds.
-	// Default is 10 seconds
-	Timeout time.Duration `json:"timeout"`
-
-	// Force ensures that requests will bypass enforced delay.
-	Force bool `json:"force"`
-}
-
 type StoreRequestCursor struct {
 	Digest       []byte  `json:"digest"`
 	ReceivedTime float64 `json:"receivedTime"`
@@ -147,30 +116,6 @@ func (r *MessagesRequest) SetDefaults(now time.Time) {
 	}
 }
 
-func (r *StoreRequest) SetDefaults(now time.Time) {
-	// set From and To defaults
-	if r.To == 0 {
-		r.To = uint64(now.UTC().Unix())
-	}
-
-	if r.From == 0 {
-		oneDay := uint64(86400) // -24 hours
-		if r.To < oneDay {
-			r.From = 0
-		} else {
-			r.From = r.To - oneDay
-		}
-	}
-
-	if r.Timeout == 0 {
-		r.Timeout = defaultRequestTimeout
-	}
-
-	if r.PageSize == 0 {
-		r.PageSize = 100
-	}
-}
-
 // MessagesResponse is a response for requestMessages2 method.
 type MessagesResponse struct {
 	// Cursor from the response can be used to retrieve more messages
@@ -668,6 +613,12 @@ func (api *PublicAPI) UpdateMailservers(enodes []string) error {
 	return api.service.UpdateMailservers(nodes)
 }
 
+// Used in WakuV2 - Once proper peer management is added, we should probably remove this, or at least
+// change mailserver so we use a peer.ID instead of a string / []byte
+func (api *PublicAPI) SetMailserver(peer string) {
+	api.service.SetMailserver([]byte(peer))
+}
+
 // PushNotifications server endpoints
 
 func (api *PublicAPI) StartPushNotificationsServer() error {

services/ext/service.go

@@ -318,6 +318,10 @@ func (s *Service) UpdateMailservers(nodes []*enode.Node) error {
 	return nil
 }
 
+func (s *Service) SetMailserver(peer []byte) {
+	s.messenger.SetMailserver(peer)
+}
+
 // Protocols returns a new protocols list. In this case, there are none.
 func (s *Service) Protocols() []p2p.Protocol {
 	return []p2p.Protocol{}

services/wakuv2ext/api.go

@@ -1,14 +1,6 @@
 package wakuv2ext
 
 import (
-	"context"
-	"fmt"
-
-	"github.com/libp2p/go-libp2p-core/peer"
-	"github.com/status-im/go-waku/waku/v2/protocol"
-	"github.com/status-im/go-waku/waku/v2/protocol/pb"
-	"github.com/status-im/go-waku/waku/v2/protocol/store"
-
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/status-im/status-go/eth-node/types"
 	"github.com/status-im/status-go/services/ext"
@@ -31,46 +23,3 @@ func NewPublicAPI(s *Service) *PublicAPI {
 		log:       log.New("package", "status-go/services/wakuext.PublicAPI"),
 	}
 }
-
-// RequestMessages sends a request for historic messages to a MailServer.
-func (api *PublicAPI) RequestMessages(_ context.Context, r ext.StoreRequest) (types.HexBytes, error) {
-	api.log.Info("RequestMessages", "request", r)
-
-	now := api.service.w.GetCurrentTime()
-	r.SetDefaults(now)
-
-	if r.From > r.To {
-		return nil, fmt.Errorf("Query range is invalid: from > to (%d > %d)", r.From, r.To)
-	}
-
-	h := protocol.GenerateRequestId()
-
-	mailserver, err := peer.Decode(r.MailServerPeer)
-	if err != nil {
-		return nil, err
-	}
-
-	options := []store.HistoryRequestOption{
-		store.WithRequestId(h),
-		store.WithPeer(mailserver),
-		store.WithPaging(r.Asc, r.PageSize),
-	}
-
-	// TODO: timeout
-
-	if r.Cursor != nil {
-		options = append(options, store.WithCursor(&pb.Index{
-			Digest:       r.Cursor.Digest,
-			ReceivedTime: r.Cursor.ReceivedTime,
-		}))
-	}
-
-	var hash types.Hash
-	copy(hash[:], h[:types.HashLength])
-
-	if err := api.service.w.RequestStoreMessages(r.Topics, r.From, r.To, options); err != nil {
-		return nil, err
-	}
-
-	return hash[:], nil
-}

vendor/github.com/prometheus/client_golang/prometheus/build_info.go

@@ -1,29 +0,0 @@
-// Copyright 2019 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// +build go1.12
-
-package prometheus
-
-import "runtime/debug"
-
-// readBuildInfo is a wrapper around debug.ReadBuildInfo for Go 1.12+.
-func readBuildInfo() (path, version, sum string) {
-	path, version, sum = "unknown", "unknown", "unknown"
-	if bi, ok := debug.ReadBuildInfo(); ok {
-		path = bi.Main.Path
-		version = bi.Main.Version
-		sum = bi.Main.Sum
-	}
-	return
-}

vendor/github.com/prometheus/client_golang/prometheus/build_info_pre_1.12.go

@@ -1,22 +0,0 @@
-// Copyright 2019 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// +build !go1.12
-
-package prometheus
-
-// readBuildInfo is a wrapper around debug.ReadBuildInfo for Go versions before
-// 1.12. Remove this whole file once the minimum supported Go version is 1.12.
-func readBuildInfo() (path, version, sum string) {
-	return "unknown", "unknown", "unknown"
-}

vendor/github.com/prometheus/client_golang/prometheus/desc.go

@@ -20,7 +20,7 @@ import (
 	"strings"
 
 	"github.com/cespare/xxhash/v2"
-	//lint:ignore SA1019 Need to keep deprecated package for compatibility.
+	//nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
 	"github.com/golang/protobuf/proto"
 	"github.com/prometheus/common/model"
 

vendor/github.com/prometheus/client_golang/prometheus/expvar_collector.go

@@ -22,43 +22,10 @@ type expvarCollector struct {
 	exports map[string]*Desc
 }
 
-// NewExpvarCollector returns a newly allocated expvar Collector that still has
+// NewExpvarCollector is the obsolete version of collectors.NewExpvarCollector.
-// to be registered with a Prometheus registry.
+// See there for documentation.
 //
-// An expvar Collector collects metrics from the expvar interface. It provides a
+// Deprecated: Use collectors.NewExpvarCollector instead.
-// quick way to expose numeric values that are already exported via expvar as
-// Prometheus metrics. Note that the data models of expvar and Prometheus are
-// fundamentally different, and that the expvar Collector is inherently slower
-// than native Prometheus metrics. Thus, the expvar Collector is probably great
-// for experiments and prototying, but you should seriously consider a more
-// direct implementation of Prometheus metrics for monitoring production
-// systems.
-//
-// The exports map has the following meaning:
-//
-// The keys in the map correspond to expvar keys, i.e. for every expvar key you
-// want to export as Prometheus metric, you need an entry in the exports
-// map. The descriptor mapped to each key describes how to export the expvar
-// value. It defines the name and the help string of the Prometheus metric
-// proxying the expvar value. The type will always be Untyped.
-//
-// For descriptors without variable labels, the expvar value must be a number or
-// a bool. The number is then directly exported as the Prometheus sample
-// value. (For a bool, 'false' translates to 0 and 'true' to 1). Expvar values
-// that are not numbers or bools are silently ignored.
-//
-// If the descriptor has one variable label, the expvar value must be an expvar
-// map. The keys in the expvar map become the various values of the one
-// Prometheus label. The values in the expvar map must be numbers or bools again
-// as above.
-//
-// For descriptors with more than one variable label, the expvar must be a
-// nested expvar map, i.e. where the values of the topmost map are maps again
-// etc. until a depth is reached that corresponds to the number of labels. The
-// leaves of that structure must be numbers or bools as above to serve as the
-// sample values.
-//
-// Anything that does not fit into the scheme above is silently ignored.
 func NewExpvarCollector(exports map[string]*Desc) Collector {
 	return &expvarCollector{
 		exports: exports,

vendor/github.com/prometheus/client_golang/prometheus/go_collector.go

@@ -36,32 +36,10 @@ type goCollector struct {
 	msMaxAge        time.Duration           // Maximum allowed age of old memstats.
 }
 
-// NewGoCollector returns a collector that exports metrics about the current Go
+// NewGoCollector is the obsolete version of collectors.NewGoCollector.
-// process. This includes memory stats. To collect those, runtime.ReadMemStats
+// See there for documentation.
-// is called. This requires to “stop the world”, which usually only happens for
-// garbage collection (GC). Take the following implications into account when
-// deciding whether to use the Go collector:
 //
-// 1. The performance impact of stopping the world is the more relevant the more
+// Deprecated: Use collectors.NewGoCollector instead.
-// frequently metrics are collected. However, with Go1.9 or later the
-// stop-the-world time per metrics collection is very short (~25µs) so that the
-// performance impact will only matter in rare cases. However, with older Go
-// versions, the stop-the-world duration depends on the heap size and can be
-// quite significant (~1.7 ms/GiB as per
-// https://go-review.googlesource.com/c/go/+/34937).
-//
-// 2. During an ongoing GC, nothing else can stop the world. Therefore, if the
-// metrics collection happens to coincide with GC, it will only complete after
-// GC has finished. Usually, GC is fast enough to not cause problems. However,
-// with a very large heap, GC might take multiple seconds, which is enough to
-// cause scrape timeouts in common setups. To avoid this problem, the Go
-// collector will use the memstats from a previous collection if
-// runtime.ReadMemStats takes more than 1s. However, if there are no previously
-// collected memstats, or their collection is more than 5m ago, the collection
-// will block until runtime.ReadMemStats succeeds.
-//
-// NOTE: The problem is solved in Go 1.15, see
-// https://github.com/golang/go/issues/19812 for the related Go issue.
 func NewGoCollector() Collector {
 	return &goCollector{
 		goroutinesDesc: NewDesc(
@@ -366,25 +344,17 @@ type memStatsMetrics []struct {
 	valType ValueType
 }
 
-// NewBuildInfoCollector returns a collector collecting a single metric
+// NewBuildInfoCollector is the obsolete version of collectors.NewBuildInfoCollector.
-// "go_build_info" with the constant value 1 and three labels "path", "version",
+// See there for documentation.
-// and "checksum". Their label values contain the main module path, version, and
-// checksum, respectively. The labels will only have meaningful values if the
-// binary is built with Go module support and from source code retrieved from
-// the source repository (rather than the local file system). This is usually
-// accomplished by building from outside of GOPATH, specifying the full address
-// of the main package, e.g. "GO111MODULE=on go run
-// github.com/prometheus/client_golang/examples/random". If built without Go
-// module support, all label values will be "unknown". If built with Go module
-// support but using the source code from the local file system, the "path" will
-// be set appropriately, but "checksum" will be empty and "version" will be
-// "(devel)".
 //
-// This collector uses only the build information for the main module. See
+// Deprecated: Use collectors.NewBuildInfoCollector instead.
-// https://github.com/povilasv/prommod for an example of a collector for the
-// module dependencies.
 func NewBuildInfoCollector() Collector {
-	path, version, sum := readBuildInfo()
+	path, version, sum := "unknown", "unknown", "unknown"
+	if bi, ok := debug.ReadBuildInfo(); ok {
+		path = bi.Main.Path
+		version = bi.Main.Version
+		sum = bi.Main.Sum
+	}
 	c := &selfCollector{MustNewConstMetric(
 		NewDesc(
 			"go_build_info",

vendor/github.com/prometheus/client_golang/prometheus/histogram.go

@@ -22,7 +22,7 @@ import (
 	"sync/atomic"
 	"time"
 
-	//lint:ignore SA1019 Need to keep deprecated package for compatibility.
+	//nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
 	"github.com/golang/protobuf/proto"
 
 	dto "github.com/prometheus/client_model/go"
@@ -47,7 +47,12 @@ type Histogram interface {
 	Metric
 	Collector
 
-	// Observe adds a single observation to the histogram.
+	// Observe adds a single observation to the histogram. Observations are
+	// usually positive or zero. Negative observations are accepted but
+	// prevent current versions of Prometheus from properly detecting
+	// counter resets in the sum of observations. See
+	// https://prometheus.io/docs/practices/histograms/#count-and-sum-of-observations
+	// for details.
 	Observe(float64)
 }
 

vendor/github.com/prometheus/client_golang/prometheus/metric.go

@@ -17,7 +17,7 @@ import (
 	"strings"
 	"time"
 
-	//lint:ignore SA1019 Need to keep deprecated package for compatibility.
+	//nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
 	"github.com/golang/protobuf/proto"
 	"github.com/prometheus/common/model"
 
@@ -58,7 +58,7 @@ type Metric interface {
 }
 
 // Opts bundles the options for creating most Metric types. Each metric
-// implementation XXX has its own XXXOpts type, but in most cases, it is just be
+// implementation XXX has its own XXXOpts type, but in most cases, it is just
 // an alias of this type (which might change when the requirement arises.)
 //
 // It is mandatory to set Name to a non-empty string. All other fields are

vendor/github.com/prometheus/client_golang/prometheus/process_collector.go

@@ -54,16 +54,10 @@ type ProcessCollectorOpts struct {
 	ReportErrors bool
 }
 
-// NewProcessCollector returns a collector which exports the current state of
+// NewProcessCollector is the obsolete version of collectors.NewProcessCollector.
-// process metrics including CPU, memory and file descriptor usage as well as
+// See there for documentation.
-// the process start time. The detailed behavior is defined by the provided
-// ProcessCollectorOpts. The zero value of ProcessCollectorOpts creates a
-// collector for the current process with an empty namespace string and no error
-// reporting.
 //
-// The collector only works on operating systems with a Linux-style proc
+// Deprecated: Use collectors.NewProcessCollector instead.
-// filesystem and on Microsoft Windows. On other operating systems, it will not
-// collect any metrics.
 func NewProcessCollector(opts ProcessCollectorOpts) Collector {
 	ns := ""
 	if len(opts.Namespace) > 0 {

vendor/github.com/prometheus/client_golang/prometheus/promhttp/delegator.go

@@ -83,8 +83,7 @@ type readerFromDelegator struct{ *responseWriterDelegator }
 type pusherDelegator struct{ *responseWriterDelegator }
 
 func (d closeNotifierDelegator) CloseNotify() <-chan bool {
-	//lint:ignore SA1019 http.CloseNotifier is deprecated but we don't want to
+	//nolint:staticcheck // Ignore SA1019. http.CloseNotifier is deprecated but we keep it here to not break existing users.
-	//remove support from client_golang yet.
 	return d.ResponseWriter.(http.CloseNotifier).CloseNotify()
 }
 func (d flusherDelegator) Flush() {
@@ -348,8 +347,7 @@ func newDelegator(w http.ResponseWriter, observeWriteHeaderFunc func(int)) deleg
 	}
 
 	id := 0
-	//lint:ignore SA1019 http.CloseNotifier is deprecated but we don't want to
+	//nolint:staticcheck // Ignore SA1019. http.CloseNotifier is deprecated but we keep it here to not break existing users.
-	//remove support from client_golang yet.
 	if _, ok := w.(http.CloseNotifier); ok {
 		id += closeNotifier
 	}

vendor/github.com/prometheus/client_golang/prometheus/registry.go

@@ -26,7 +26,7 @@ import (
 	"unicode/utf8"
 
 	"github.com/cespare/xxhash/v2"
-	//lint:ignore SA1019 Need to keep deprecated package for compatibility.
+	//nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
 	"github.com/golang/protobuf/proto"
 	"github.com/prometheus/common/expfmt"
 

vendor/github.com/prometheus/client_golang/prometheus/summary.go

@@ -23,7 +23,7 @@ import (
 	"time"
 
 	"github.com/beorn7/perks/quantile"
-	//lint:ignore SA1019 Need to keep deprecated package for compatibility.
+	//nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
 	"github.com/golang/protobuf/proto"
 
 	dto "github.com/prometheus/client_model/go"
@@ -55,7 +55,12 @@ type Summary interface {
 	Metric
 	Collector
 
-	// Observe adds a single observation to the summary.
+	// Observe adds a single observation to the summary. Observations are
+	// usually positive or zero. Negative observations are accepted but
+	// prevent current versions of Prometheus from properly detecting
+	// counter resets in the sum of observations. See
+	// https://prometheus.io/docs/practices/histograms/#count-and-sum-of-observations
+	// for details.
 	Observe(float64)
 }
 
@@ -121,7 +126,9 @@ type SummaryOpts struct {
 	Objectives map[float64]float64
 
 	// MaxAge defines the duration for which an observation stays relevant
-	// for the summary. Must be positive. The default value is DefMaxAge.
+	// for the summary. Only applies to pre-calculated quantiles, does not
+	// apply to _sum and _count. Must be positive. The default value is
+	// DefMaxAge.
 	MaxAge time.Duration
 
 	// AgeBuckets is the number of buckets used to exclude observations that

vendor/github.com/prometheus/client_golang/prometheus/value.go

@@ -19,7 +19,7 @@ import (
 	"time"
 	"unicode/utf8"
 
-	//lint:ignore SA1019 Need to keep deprecated package for compatibility.
+	//nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
 	"github.com/golang/protobuf/proto"
 	"github.com/golang/protobuf/ptypes"
 

vendor/github.com/prometheus/client_golang/prometheus/vec.go

@@ -167,8 +167,8 @@ func (m *MetricVec) CurryWith(labels Labels) (*MetricVec, error) {
 // calling the newMetric function provided during construction of the
 // MetricVec).
 //
-// It is possible to call this method without using the returned Metry to only
+// It is possible to call this method without using the returned Metric to only
-// create the new Metric but leave it in its intitial state.
+// create the new Metric but leave it in its initial state.
 //
 // Keeping the Metric for later use is possible (and should be considered if
 // performance is critical), but keep in mind that Reset, DeleteLabelValues and

vendor/github.com/prometheus/client_golang/prometheus/wrap.go

@@ -17,7 +17,7 @@ import (
 	"fmt"
 	"sort"
 
-	//lint:ignore SA1019 Need to keep deprecated package for compatibility.
+	//nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
 	"github.com/golang/protobuf/proto"
 
 	dto "github.com/prometheus/client_model/go"

vendor/github.com/prometheus/common/model/labels.go

@@ -45,6 +45,14 @@ const (
 	// scrape a target.
 	MetricsPathLabel = "__metrics_path__"
 
+	// ScrapeIntervalLabel is the name of the label that holds the scrape interval
+	// used to scrape a target.
+	ScrapeIntervalLabel = "__scrape_interval__"
+
+	// ScrapeTimeoutLabel is the name of the label that holds the scrape
+	// timeout used to scrape a target.
+	ScrapeTimeoutLabel = "__scrape_timeout__"
+
 	// ReservedLabelPrefix is a prefix which is not legal in user-supplied
 	// label names.
 	ReservedLabelPrefix = "__"

vendor/github.com/prometheus/common/model/time.go

@@ -14,6 +14,8 @@
 package model
 
 import (
+	"encoding/json"
+	"errors"
 	"fmt"
 	"math"
 	"regexp"
@@ -201,13 +203,23 @@ func ParseDuration(durationStr string) (Duration, error) {
 
 	// Parse the match at pos `pos` in the regex and use `mult` to turn that
 	// into ms, then add that value to the total parsed duration.
+	var overflowErr error
 	m := func(pos int, mult time.Duration) {
 		if matches[pos] == "" {
 			return
 		}
 		n, _ := strconv.Atoi(matches[pos])
+
+		// Check if the provided duration overflows time.Duration (> ~ 290years).
+		if n > int((1<<63-1)/mult/time.Millisecond) {
+			overflowErr = errors.New("duration out of range")
+		}
 		d := time.Duration(n) * time.Millisecond
 		dur += d * mult
+
+		if dur < 0 {
+			overflowErr = errors.New("duration out of range")
+		}
 	}
 
 	m(2, 1000*60*60*24*365) // y
@@ -218,7 +230,7 @@ func ParseDuration(durationStr string) (Duration, error) {
 	m(12, 1000)             // s
 	m(14, 1)                // ms
 
-	return Duration(dur), nil
+	return Duration(dur), overflowErr
 }
 
 func (d Duration) String() string {
@@ -254,6 +266,25 @@ func (d Duration) String() string {
 	return r
 }
 
+// MarshalJSON implements the json.Marshaler interface.
+func (d Duration) MarshalJSON() ([]byte, error) {
+	return json.Marshal(d.String())
+}
+
+// UnmarshalJSON implements the json.Unmarshaler interface.
+func (d *Duration) UnmarshalJSON(bytes []byte) error {
+	var s string
+	if err := json.Unmarshal(bytes, &s); err != nil {
+		return err
+	}
+	dur, err := ParseDuration(s)
+	if err != nil {
+		return err
+	}
+	*d = dur
+	return nil
+}
+
 // MarshalText implements the encoding.TextMarshaler interface.
 func (d *Duration) MarshalText() ([]byte, error) {
 	return []byte(d.String()), nil

vendor/github.com/status-im/go-waku/waku/v2/metrics/metrics.go

@@ -0,0 +1,49 @@
+package metrics
+
+import (
+	"go.opencensus.io/stats"
+	"go.opencensus.io/stats/view"
+	"go.opencensus.io/tag"
+)
+
+var (
+	Messages            = stats.Int64("messages", "Number of messages received", stats.UnitDimensionless)
+	StoreMessages       = stats.Int64("store_messages", "Number of historical messages", stats.UnitDimensionless)
+	FilterSubscriptions = stats.Int64("filter_subscriptions", "Number of filter subscriptions", stats.UnitDimensionless)
+	Errors              = stats.Int64("errors", "Number of errors", stats.UnitDimensionless)
+)
+
+var (
+	KeyType, _           = tag.NewKey("type")
+	KeyStoreErrorType, _ = tag.NewKey("store_error_type")
+)
+
+var (
+	MessageTypeView = &view.View{
+		Name:        "messages",
+		Measure:     Messages,
+		Description: "The distribution of the messages received",
+		Aggregation: view.Count(),
+		TagKeys:     []tag.Key{KeyType},
+	}
+	StoreMessageTypeView = &view.View{
+		Name:        "store_messages",
+		Measure:     StoreMessages,
+		Description: "The distribution of the store protocol messages",
+		Aggregation: view.LastValue(),
+		TagKeys:     []tag.Key{KeyType},
+	}
+	FilterSubscriptionsView = &view.View{
+		Name:        "filter_subscriptions",
+		Measure:     FilterSubscriptions,
+		Description: "The number of content filter subscriptions",
+		Aggregation: view.LastValue(),
+	}
+	StoreErrorTypesView = &view.View{
+		Name:        "store_errors",
+		Measure:     Errors,
+		Description: "The distribution of the store protocol errors",
+		Aggregation: view.Count(),
+		TagKeys:     []tag.Key{KeyType},
+	}
+)

vendor/github.com/status-im/go-waku/waku/v2/node/wakunode2.go

@@ -10,10 +10,17 @@ import (
 	proto "github.com/golang/protobuf/proto"
 	logging "github.com/ipfs/go-log"
 	"github.com/libp2p/go-libp2p"
+	"github.com/libp2p/go-libp2p-core/event"
 	"github.com/libp2p/go-libp2p-core/host"
+	"github.com/libp2p/go-libp2p-core/network"
 	"github.com/libp2p/go-libp2p-core/peer"
+	peerstore "github.com/libp2p/go-libp2p-peerstore"
+	"github.com/libp2p/go-libp2p/p2p/protocol/ping"
 	ma "github.com/multiformats/go-multiaddr"
+	"go.opencensus.io/stats"
+	"go.opencensus.io/tag"
 
+	"github.com/status-im/go-waku/waku/v2/metrics"
 	"github.com/status-im/go-waku/waku/v2/protocol"
 	"github.com/status-im/go-waku/waku/v2/protocol/filter"
 	"github.com/status-im/go-waku/waku/v2/protocol/lightpush"
@@ -25,11 +32,16 @@ import (
 
 var log = logging.Logger("wakunode")
 
-// Default clientId
-const clientId string = "Go Waku v2 node"
-
 type Message []byte
 
+// A map of peer IDs to supported protocols
+type PeerStats map[peer.ID][]string
+
+type ConnStatus struct {
+	IsOnline   bool
+	HasHistory bool
+}
+
 type WakuNode struct {
 	host host.Host
 	opts *WakuNodeParameters
@@ -38,6 +50,8 @@ type WakuNode struct {
 	filter    *filter.WakuFilter
 	lightPush *lightpush.WakuLightPush
 
+	ping *ping.PingService
+
 	subscriptions      map[relay.Topic][]*Subscription
 	subscriptionsMutex sync.Mutex
 
@@ -45,8 +59,95 @@ type WakuNode struct {
 
 	filters filter.Filters
 
+	connectednessEventSub  event.Subscription
+	protocolEventSub       event.Subscription
+	identificationEventSub event.Subscription
+
 	ctx    context.Context
 	cancel context.CancelFunc
+	quit   chan struct{}
+
+	// Map of peers and their supported protocols
+	peers PeerStats
+	// Internal protocol implementations that wish
+	// to listen to peer added/removed events (e.g. Filter)
+	peerListeners []chan *event.EvtPeerConnectednessChanged
+	// Channel passed to WakuNode constructor
+	// receiving connection status notifications
+	connStatusChan chan ConnStatus
+}
+
+func (w *WakuNode) connectednessListener() {
+	for {
+		isOnline := w.IsOnline()
+		hasHistory := w.HasHistory()
+
+		select {
+		case e := <-w.connectednessEventSub.Out():
+			if e == nil {
+				break
+			}
+			ev := e.(event.EvtPeerConnectednessChanged)
+
+			log.Info("### EvtPeerConnectednessChanged ", w.Host().ID(), " to ", ev.Peer, " : ", ev.Connectedness)
+			if ev.Connectedness == network.Connected {
+				_, ok := w.peers[ev.Peer]
+				if !ok {
+					peerProtocols, _ := w.host.Peerstore().GetProtocols(ev.Peer)
+					log.Info("protocols found for peer: ", ev.Peer, ", protocols: ", peerProtocols)
+					w.peers[ev.Peer] = peerProtocols
+				} else {
+					log.Info("### Peer already exists")
+				}
+			} else if ev.Connectedness == network.NotConnected {
+				log.Info("Peer down: ", ev.Peer)
+				delete(w.peers, ev.Peer)
+				for _, pl := range w.peerListeners {
+					pl <- &ev
+				}
+				// TODO
+				// There seems to be no proper way to
+				// remove a dropped peer from Host's Peerstore
+				// https://github.com/libp2p/go-libp2p-host/issues/13
+				//w.Host().Network().ClosePeer(ev.Peer)
+			}
+		case e := <-w.protocolEventSub.Out():
+			if e == nil {
+				break
+			}
+			ev := e.(event.EvtPeerProtocolsUpdated)
+
+			log.Info("### EvtPeerProtocolsUpdated ", w.Host().ID(), " to ", ev.Peer, " added: ", ev.Added, ", removed: ", ev.Removed)
+			_, ok := w.peers[ev.Peer]
+			if ok {
+				peerProtocols, _ := w.host.Peerstore().GetProtocols(ev.Peer)
+				log.Info("updated protocols found for peer: ", ev.Peer, ", protocols: ", peerProtocols)
+				w.peers[ev.Peer] = peerProtocols
+			}
+
+		case e := <-w.identificationEventSub.Out():
+			if e == nil {
+				break
+			}
+			ev := e.(event.EvtPeerIdentificationCompleted)
+
+			log.Info("### EvtPeerIdentificationCompleted ", w.Host().ID(), " to ", ev.Peer)
+			peerProtocols, _ := w.host.Peerstore().GetProtocols(ev.Peer)
+			log.Info("identified protocols found for peer: ", ev.Peer, ", protocols: ", peerProtocols)
+			_, ok := w.peers[ev.Peer]
+			if ok {
+				peerProtocols, _ := w.host.Peerstore().GetProtocols(ev.Peer)
+				w.peers[ev.Peer] = peerProtocols
+			}
+
+		}
+		newIsOnline := w.IsOnline()
+		newHasHistory := w.HasHistory()
+		if w.connStatusChan != nil &&
+			(isOnline != newIsOnline || hasHistory != newHasHistory) {
+			w.connStatusChan <- ConnStatus{IsOnline: newIsOnline, HasHistory: newHasHistory}
+		}
+	}
 }
 
 func New(ctx context.Context, opts ...WakuNodeOption) (*WakuNode, error) {
@@ -84,12 +185,28 @@ func New(ctx context.Context, opts ...WakuNodeOption) (*WakuNode, error) {
 	w.ctx = ctx
 	w.subscriptions = make(map[relay.Topic][]*Subscription)
 	w.opts = params
+	w.quit = make(chan struct{})
+	w.peers = make(PeerStats)
 
-	if params.enableRelay {
+	// Subscribe to Connectedness events
-		err := w.mountRelay(params.wOpts...)
+	log.Info("### host.ID(): ", host.ID())
-		if err != nil {
+
-			return nil, err
+	connectednessEventSub, _ := host.EventBus().Subscribe(new(event.EvtPeerConnectednessChanged))
-		}
+	w.connectednessEventSub = connectednessEventSub
+
+	protocolEventSub, _ := host.EventBus().Subscribe(new(event.EvtPeerProtocolsUpdated))
+	w.protocolEventSub = protocolEventSub
+
+	identificationEventSub, _ := host.EventBus().Subscribe(new(event.EvtPeerIdentificationCompleted))
+	w.identificationEventSub = identificationEventSub
+
+	if params.connStatusChan != nil {
+		w.connStatusChan = params.connStatusChan
+	}
+	go w.connectednessListener()
+
+	if params.enableStore {
+		w.startStore()
 	}
 
 	if params.enableFilter {
@@ -100,17 +217,19 @@ func New(ctx context.Context, opts ...WakuNodeOption) (*WakuNode, error) {
 		}
 	}
 
-	if params.enableStore {
+	err = w.mountRelay(params.enableRelay, params.wOpts...)
-		err := w.startStore()
+	if err != nil {
-		if err != nil {
+		return nil, err
-			return nil, err
-		}
 	}
 
 	if params.enableLightPush {
 		w.mountLightPush()
 	}
 
+	if params.keepAliveInterval > time.Duration(0) {
+		w.startKeepAlive(params.keepAliveInterval)
+	}
+
 	for _, addr := range w.ListenAddresses() {
 		log.Info("Listening on ", addr)
 	}
@@ -123,6 +242,11 @@ func (w *WakuNode) Stop() {
 	defer w.subscriptionsMutex.Unlock()
 	defer w.cancel()
 
+	close(w.quit)
+	defer w.connectednessEventSub.Close()
+	defer w.protocolEventSub.Close()
+	defer w.identificationEventSub.Close()
+
 	for _, topic := range w.relay.Topics() {
 		for _, sub := range w.subscriptions[topic] {
 			sub.Unsubscribe()
@@ -140,6 +264,49 @@ func (w *WakuNode) ID() string {
 	return w.host.ID().Pretty()
 }
 
+func (w *WakuNode) GetPeerStats() PeerStats {
+	return w.peers
+}
+
+func (w *WakuNode) IsOnline() bool {
+	hasRelay := false
+	hasLightPush := false
+	hasStore := false
+	hasFilter := false
+	for _, v := range w.peers {
+		for _, protocol := range v {
+			if !hasRelay && protocol == string(wakurelay.WakuRelayID_v200) {
+				hasRelay = true
+			}
+			if !hasLightPush && protocol == string(lightpush.WakuLightPushProtocolId) {
+				hasLightPush = true
+			}
+			if !hasStore && protocol == string(store.WakuStoreProtocolId) {
+				hasStore = true
+			}
+			if !hasFilter && protocol == string(filter.WakuFilterProtocolId) {
+				hasFilter = true
+			}
+			if hasRelay || hasLightPush && (hasStore || hasFilter) {
+				return true
+			}
+		}
+	}
+
+	return false
+}
+
+func (w *WakuNode) HasHistory() bool {
+	for _, v := range w.peers {
+		for _, protocol := range v {
+			if protocol == string(store.WakuStoreProtocolId) {
+				return true
+			}
+		}
+	}
+	return false
+}
+
 func (w *WakuNode) ListenAddresses() []string {
 	hostInfo, _ := ma.NewMultiaddr(fmt.Sprintf("/p2p/%s", w.host.ID().Pretty()))
 	var result []string
@@ -157,10 +324,17 @@ func (w *WakuNode) Filter() *filter.WakuFilter {
 	return w.filter
 }
 
-func (w *WakuNode) mountRelay(opts ...wakurelay.Option) error {
+func (w *WakuNode) mountRelay(shouldRelayMessages bool, opts ...wakurelay.Option) error {
 	var err error
 	w.relay, err = relay.NewWakuRelay(w.ctx, w.host, opts...)
 
+	if shouldRelayMessages {
+		_, err := w.Subscribe(nil)
+		if err != nil {
+			return err
+		}
+	}
+
 	// TODO: rlnRelay
 
 	return err
@@ -172,7 +346,9 @@ func (w *WakuNode) mountFilter() error {
 			w.filters.Notify(message, requestId) // Trigger filter handlers on a light node
 		}
 	}
-	w.filter = filter.NewWakuFilter(w.ctx, w.host, filterHandler)
+	peerChan := make(chan *event.EvtPeerConnectednessChanged)
+	w.filter = filter.NewWakuFilter(w.ctx, w.host, filterHandler, peerChan)
+	w.peerListeners = append(w.peerListeners, peerChan)
 
 	return nil
 
@@ -181,12 +357,14 @@ func (w *WakuNode) mountLightPush() {
 	w.lightPush = lightpush.NewWakuLightPush(w.ctx, w.host, w.relay)
 }
 
-func (w *WakuNode) startStore() error {
+func (w *WakuNode) AddPeer(p peer.ID, addrs []ma.Multiaddr, protocolId string) error {
-	w.opts.store.Start(w.host)
+	log.Info("AddPeer: ", protocolId)
 
-	w.opts.store.Resume(w.ctx, string(relay.GetTopic(nil)), nil)
+	for _, addr := range addrs {
+		w.host.Peerstore().AddAddr(p, addr, peerstore.PermanentAddrTTL)
+	}
+	err := w.host.Peerstore().AddProtocols(p, protocolId)
 
-	_, err := w.Subscribe(nil)
 	if err != nil {
 		return err
 	}
@@ -194,6 +372,14 @@ func (w *WakuNode) startStore() error {
 	return nil
 }
 
+func (w *WakuNode) startStore() {
+	peerChan := make(chan *event.EvtPeerConnectednessChanged)
+	w.opts.store.Start(w.ctx, w.host, peerChan)
+	w.peerListeners = append(w.peerListeners, peerChan)
+	w.opts.store.Resume(string(relay.GetTopic(nil)), nil)
+
+}
+
 func (w *WakuNode) AddStorePeer(address string) (*peer.ID, error) {
 	if w.opts.store == nil {
 		return nil, errors.New("WakuStore is not set")
@@ -210,7 +396,7 @@ func (w *WakuNode) AddStorePeer(address string) (*peer.ID, error) {
 		return nil, err
 	}
 
-	return &info.ID, w.opts.store.AddPeer(info.ID, info.Addrs)
+	return &info.ID, w.AddPeer(info.ID, info.Addrs, string(store.WakuStoreProtocolId))
 }
 
 // TODO Remove code duplication
@@ -230,7 +416,27 @@ func (w *WakuNode) AddFilterPeer(address string) (*peer.ID, error) {
 		return nil, err
 	}
 
-	return &info.ID, w.filter.AddPeer(info.ID, info.Addrs)
+	return &info.ID, w.AddPeer(info.ID, info.Addrs, string(filter.WakuFilterProtocolId))
+}
+
+// TODO Remove code duplication
+func (w *WakuNode) AddLightPushPeer(address string) (*peer.ID, error) {
+	if w.filter == nil {
+		return nil, errors.New("WakuFilter is not set")
+	}
+
+	lightPushPeer, err := ma.NewMultiaddr(address)
+	if err != nil {
+		return nil, err
+	}
+
+	// Extract the peer ID from the multiaddr.
+	info, err := peer.AddrInfoFromP2pAddr(lightPushPeer)
+	if err != nil {
+		return nil, err
+	}
+
+	return &info.ID, w.AddPeer(info.ID, info.Addrs, string(lightpush.WakuLightPushProtocolId))
 }
 
 func (w *WakuNode) Query(ctx context.Context, contentTopics []string, startTime float64, endTime float64, opts ...store.HistoryRequestOption) (*pb.HistoryResponse, error) {
@@ -259,7 +465,7 @@ func (w *WakuNode) Resume(ctx context.Context, peerList []peer.ID) error {
 		return errors.New("WakuStore is not set")
 	}
 
-	result, err := w.opts.store.Resume(ctx, string(relay.DefaultWakuTopic), peerList)
+	result, err := w.opts.store.Resume(string(relay.DefaultWakuTopic), peerList)
 	if err != nil {
 		return err
 	}
@@ -273,7 +479,7 @@ func (node *WakuNode) Subscribe(topic *relay.Topic) (*Subscription, error) {
 	// Subscribes to a PubSub topic.
 	// NOTE The data field SHOULD be decoded as a WakuMessage.
 	if node.relay == nil {
-		return nil, errors.New("WakuRelay hasn't been set.")
+		return nil, errors.New("WakuRelay hasn't been set")
 	}
 
 	t := relay.GetTopic(topic)
@@ -312,6 +518,12 @@ func (node *WakuNode) Subscribe(topic *relay.Topic) (*Subscription, error) {
 		nextMsgTicker := time.NewTicker(time.Millisecond * 10)
 		defer nextMsgTicker.Stop()
 
+		ctx, err := tag.New(node.ctx, tag.Insert(metrics.KeyType, "relay"))
+		if err != nil {
+			log.Error(err)
+			return
+		}
+
 		for {
 			select {
 			case <-subscription.quit:
@@ -330,6 +542,8 @@ func (node *WakuNode) Subscribe(topic *relay.Topic) (*Subscription, error) {
 					return
 				}
 
+				stats.Record(ctx, metrics.Messages.M(1))
+
 				wakuMessage := &pb.WakuMessage{}
 				if err := proto.Unmarshal(msg.Data, wakuMessage); err != nil {
 					log.Error("could not decode message", err)
@@ -348,7 +562,7 @@ func (node *WakuNode) Subscribe(topic *relay.Topic) (*Subscription, error) {
 
 // Wrapper around WakuFilter.Subscribe
 // that adds a Filter object to node.filters
-func (node *WakuNode) SubscribeFilter(ctx context.Context, request pb.FilterRequest, ch filter.ContentFilterChan) {
+func (node *WakuNode) SubscribeFilter(ctx context.Context, request pb.FilterRequest, ch filter.ContentFilterChan) error {
 	// Registers for messages that match a specific filter. Triggers the handler whenever a message is received.
 	// ContentFilterChan takes MessagePush structs
 
@@ -360,20 +574,28 @@ func (node *WakuNode) SubscribeFilter(ctx context.Context, request pb.FilterRequ
 	log.Info("SubscribeFilter, request: ", request)
 
 	var id string
+	var err error
 
-	if node.filter != nil {
+	if node.filter == nil {
-		id, err := node.filter.Subscribe(ctx, request)
+		return errors.New("WakuFilter is not set")
+	}
 
-		if id == "" || err != nil {
+	id, err = node.filter.Subscribe(ctx, request)
-			// Failed to subscribe
+	if id == "" || err != nil {
-			log.Error("remote subscription to filter failed", request)
+		// Failed to subscribe
-			//waku_node_errors.inc(labelValues = ["subscribe_filter_failure"])
+		log.Error("remote subscription to filter failed", request)
-			id = string(protocol.GenerateRequestId())
+		//waku_node_errors.inc(labelValues = ["subscribe_filter_failure"])
-		}
+		return err
 	}
 
 	// Register handler for filter, whether remote subscription succeeded or not
-	node.filters[id] = filter.Filter{ContentFilters: request.ContentFilters, Chan: ch}
+	node.filters[id] = filter.Filter{
+		Topic:          request.Topic,
+		ContentFilters: request.ContentFilters,
+		Chan:           ch,
+	}
+
+	return nil
 }
 
 func (node *WakuNode) UnsubscribeFilter(ctx context.Context, request pb.FilterRequest) {
@@ -416,24 +638,27 @@ func (node *WakuNode) UnsubscribeFilter(ctx context.Context, request pb.FilterRe
 
 func (node *WakuNode) Publish(ctx context.Context, message *pb.WakuMessage, topic *relay.Topic) ([]byte, error) {
 	if node.relay == nil {
-		return nil, errors.New("WakuRelay hasn't been set.")
+		return nil, errors.New("WakuRelay hasn't been set")
 	}
 
 	if message == nil {
 		return nil, errors.New("message can't be null")
 	}
 
+	if node.lightPush != nil {
+		return node.LightPush(ctx, message, topic)
+	}
+
 	hash, err := node.relay.Publish(ctx, message, topic)
 	if err != nil {
 		return nil, err
 	}
-
 	return hash, nil
 }
 
 func (node *WakuNode) LightPush(ctx context.Context, message *pb.WakuMessage, topic *relay.Topic, opts ...lightpush.LightPushOption) ([]byte, error) {
 	if node.lightPush == nil {
-		return nil, errors.New("WakuLightPush hasn't been set.")
+		return nil, errors.New("WakuLightPush hasn't been set")
 	}
 
 	if message == nil {
@@ -495,3 +720,25 @@ func (w *WakuNode) ClosePeerById(id peer.ID) error {
 func (w *WakuNode) PeerCount() int {
 	return len(w.host.Network().Peers())
 }
+
+func (w *WakuNode) startKeepAlive(t time.Duration) {
+	log.Info("Setting up ping protocol with duration of", t)
+
+	w.ping = ping.NewPingService(w.host)
+	ticker := time.NewTicker(t)
+	go func() {
+		for {
+			select {
+			case <-ticker.C:
+				for _, peer := range w.host.Network().Peers() {
+					log.Info("Pinging", peer)
+					w.ping.Ping(w.ctx, peer)
+				}
+			case <-w.quit:
+				ticker.Stop()
+				return
+			}
+		}
+	}()
+
+}

vendor/github.com/status-im/go-waku/waku/v2/node/wakuoptions.go

@@ -3,6 +3,7 @@ package node
 import (
 	"crypto/ecdsa"
 	"net"
+	"time"
 
 	"github.com/libp2p/go-libp2p"
 	connmgr "github.com/libp2p/go-libp2p-connmgr"
@@ -14,6 +15,9 @@ import (
 	wakurelay "github.com/status-im/go-wakurelay-pubsub"
 )
 
+// Default clientId
+const clientId string = "Go Waku v2 node"
+
 type WakuNodeParameters struct {
 	multiAddr  []ma.Multiaddr
 	privKey    *crypto.PrivKey
@@ -28,7 +32,11 @@ type WakuNodeParameters struct {
 	store       *store.WakuStore
 	filter      *filter.WakuFilter
 
+	keepAliveInterval time.Duration
+
 	enableLightPush bool
+
+	connStatusChan chan ConnStatus
 }
 
 type WakuNodeOption func(*WakuNodeParameters) error
@@ -130,9 +138,24 @@ func WithLightPush() WakuNodeOption {
 	}
 }
 
+func WithKeepAlive(t time.Duration) WakuNodeOption {
+	return func(params *WakuNodeParameters) error {
+		params.keepAliveInterval = t
+		return nil
+	}
+}
+
+func WithConnStatusChan(connStatusChan chan ConnStatus) WakuNodeOption {
+	return func(params *WakuNodeParameters) error {
+		params.connStatusChan = connStatusChan
+		return nil
+	}
+}
+
 // Default options used in the libp2p node
 var DefaultLibP2POptions = []libp2p.Option{
 	libp2p.DefaultTransports,
+	libp2p.UserAgent(clientId),
 	libp2p.NATPortMap(),       // Attempt to open ports using uPNP for NATed hosts.
 	libp2p.EnableNATService(), // TODO: is this needed?)
 	libp2p.ConnectionManager(connmgr.NewConnManager(200, 300, 0)),

vendor/github.com/status-im/go-waku/waku/v2/protocol/filter/waku_filter.go

@@ -6,24 +6,27 @@ import (
 	"fmt"
 
 	logging "github.com/ipfs/go-log"
+	"github.com/libp2p/go-libp2p-core/event"
 	"github.com/libp2p/go-libp2p-core/host"
 	"github.com/libp2p/go-libp2p-core/network"
 	"github.com/libp2p/go-libp2p-core/peer"
 	libp2pProtocol "github.com/libp2p/go-libp2p-core/protocol"
-	peerstore "github.com/libp2p/go-libp2p-peerstore"
 	"github.com/libp2p/go-msgio/protoio"
-	ma "github.com/multiformats/go-multiaddr"
+	"github.com/status-im/go-waku/waku/v2/metrics"
-
 	"github.com/status-im/go-waku/waku/v2/protocol"
 	"github.com/status-im/go-waku/waku/v2/protocol/pb"
+	"github.com/status-im/go-waku/waku/v2/utils"
+	"go.opencensus.io/stats"
+	"go.opencensus.io/tag"
 )
 
 var log = logging.Logger("wakufilter")
 
 type (
-	ContentFilterChan chan *pb.WakuMessage
+	ContentFilterChan chan *protocol.Envelope
 
 	Filter struct {
+		Topic          string
 		ContentFilters []*pb.FilterRequest_ContentFilter
 		Chan           ContentFilterChan
 	}
@@ -44,6 +47,7 @@ type (
 		subscribers []Subscriber
 		pushHandler MessagePushHandler
 		MsgC        chan *protocol.Envelope
+		peerChan    chan *event.EvtPeerConnectednessChanged
 	}
 )
 
@@ -63,11 +67,13 @@ const (
 
 func (filters *Filters) Notify(msg *pb.WakuMessage, requestId string) {
 	for key, filter := range *filters {
+		envelope := protocol.NewEnvelope(msg, filter.Topic)
+
 		// We do this because the key for the filter is set to the requestId received from the filter protocol.
 		// This means we do not need to check the content filter explicitly as all MessagePushs already contain
 		// the requestId of the coresponding filter.
 		if requestId != "" && requestId == key {
-			filter.Chan <- msg
+			filter.Chan <- envelope
 			continue
 		}
 
@@ -75,43 +81,13 @@ func (filters *Filters) Notify(msg *pb.WakuMessage, requestId string) {
 		// or we should not allow such filter to exist in the first place.
 		for _, contentFilter := range filter.ContentFilters {
 			if msg.ContentTopic == contentFilter.ContentTopic {
-				filter.Chan <- msg
+				filter.Chan <- envelope
 				break
 			}
 		}
 	}
 }
 
-func (wf *WakuFilter) selectPeer() *peer.ID {
-	// @TODO We need to be more stratigic about which peers we dial. Right now we just set one on the service.
-	// Ideally depending on the query and our set  of peers we take a subset of ideal peers.
-	// This will require us to check for various factors such as:
-	//  - which topics they track
-	//  - latency?
-	//  - default store peer?
-
-	// Selects the best peer for a given protocol
-	var peers peer.IDSlice
-	for _, peer := range wf.h.Peerstore().Peers() {
-		protocols, err := wf.h.Peerstore().SupportsProtocols(peer, string(WakuFilterProtocolId))
-		if err != nil {
-			log.Error("error obtaining the protocols supported by peers", err)
-			return nil
-		}
-
-		if len(protocols) > 0 {
-			peers = append(peers, peer)
-		}
-	}
-
-	if len(peers) >= 1 {
-		// TODO: proper heuristic here that compares peer scores and selects "best" one. For now the first peer for the given protocol is returned
-		return &peers[0]
-	}
-
-	return nil
-}
-
 func (wf *WakuFilter) onRequest(s network.Stream) {
 	defer s.Close()
 
@@ -127,6 +103,8 @@ func (wf *WakuFilter) onRequest(s network.Stream) {
 
 	log.Info(fmt.Sprintf("%s: Received query from %s", s.Conn().LocalPeer(), s.Conn().RemotePeer()))
 
+	stats.Record(wf.ctx, metrics.Messages.M(1))
+
 	if filterRPCRequest.Request != nil {
 		// We're on a full node.
 		// This is a filter request coming from a light node.
@@ -134,6 +112,8 @@ func (wf *WakuFilter) onRequest(s network.Stream) {
 			subscriber := Subscriber{peer: string(s.Conn().RemotePeer()), requestId: filterRPCRequest.RequestId, filter: *filterRPCRequest.Request}
 			wf.subscribers = append(wf.subscribers, subscriber)
 			log.Info("Full node, add a filter subscriber ", subscriber)
+
+			stats.Record(wf.ctx, metrics.FilterSubscriptions.M(int64(len(wf.subscribers))))
 		} else {
 			peerId := string(s.Conn().RemotePeer())
 			log.Info("Full node, remove a filter subscriber ", peerId)
@@ -174,6 +154,8 @@ func (wf *WakuFilter) onRequest(s network.Stream) {
 					}
 				}
 			}
+
+			stats.Record(wf.ctx, metrics.FilterSubscriptions.M(int64(len(wf.subscribers))))
 		}
 	} else if filterRPCRequest.Push != nil {
 		// We're on a light node.
@@ -185,15 +167,41 @@ func (wf *WakuFilter) onRequest(s network.Stream) {
 
 }
 
-func NewWakuFilter(ctx context.Context, host host.Host, handler MessagePushHandler) *WakuFilter {
+func (wf *WakuFilter) peerListener() {
+	for e := range wf.peerChan {
+		if e.Connectedness == network.NotConnected {
+			log.Info("Filter Notification received ", e.Peer)
+			i := 0
+			// Delete subscribers matching deleted peer
+			for _, s := range wf.subscribers {
+				if s.peer != string(e.Peer) {
+					wf.subscribers[i] = s
+					i++
+				}
+			}
+
+			log.Info("Filter, deleted subscribers: ", len(wf.subscribers)-i)
+			wf.subscribers = wf.subscribers[:i]
+		}
+	}
+}
+
+func NewWakuFilter(ctx context.Context, host host.Host, handler MessagePushHandler, peerChan chan *event.EvtPeerConnectednessChanged) *WakuFilter {
+	ctx, err := tag.New(ctx, tag.Insert(metrics.KeyType, "filter"))
+	if err != nil {
+		log.Error(err)
+	}
+
 	wf := new(WakuFilter)
 	wf.ctx = ctx
 	wf.MsgC = make(chan *protocol.Envelope)
 	wf.h = host
 	wf.pushHandler = handler
+	wf.peerChan = peerChan
 
 	wf.h.SetStreamHandler(WakuFilterProtocolId, wf.onRequest)
 	go wf.FilterListener()
+	go wf.peerListener()
 
 	return wf
 }
@@ -203,8 +211,6 @@ func (wf *WakuFilter) FilterListener() {
 	// This function is invoked for each message received
 	// on the full node in context of Waku2-Filter
 	handle := func(envelope *protocol.Envelope) error { // async
-		// trace "handle WakuFilter subscription", topic=topic, msg=msg
-
 		msg := envelope.Message()
 		topic := envelope.PubsubTopic()
 		// Each subscriber is a light node that earlier on invoked
@@ -251,25 +257,12 @@ func (wf *WakuFilter) FilterListener() {
 
 }
 
-// TODO Remove code duplication
-func (wf *WakuFilter) AddPeer(p peer.ID, addrs []ma.Multiaddr) error {
-	for _, addr := range addrs {
-		wf.h.Peerstore().AddAddr(p, addr, peerstore.PermanentAddrTTL)
-	}
-	err := wf.h.Peerstore().AddProtocols(p, string(WakuFilterProtocolId))
-	if err != nil {
-		return err
-	}
-	return nil
-}
-
 // Having a FilterRequest struct,
 // select a peer with filter support, dial it,
 // and submit FilterRequest wrapped in FilterRPC
 func (wf *WakuFilter) Subscribe(ctx context.Context, request pb.FilterRequest) (string, error) { //.async, gcsafe.} {
-	peer := wf.selectPeer()
+	peer, err := utils.SelectPeer(wf.h, string(WakuFilterProtocolId))
-
+	if err == nil {
-	if peer != nil {
 		conn, err := wf.h.NewStream(ctx, *peer, WakuFilterProtocolId)
 
 		if conn != nil {
@@ -287,6 +280,8 @@ func (wf *WakuFilter) Subscribe(ctx context.Context, request pb.FilterRequest) (
 			//waku_filter_errors.inc(labelValues = [dialFailure])
 			return "", err
 		}
+	} else {
+		log.Info("Error selecting peer: ", err)
 	}
 
 	return "", nil
@@ -294,9 +289,8 @@ func (wf *WakuFilter) Subscribe(ctx context.Context, request pb.FilterRequest) (
 
 func (wf *WakuFilter) Unsubscribe(ctx context.Context, request pb.FilterRequest) {
 	// @TODO: NO REAL REASON TO GENERATE REQUEST ID FOR UNSUBSCRIBE OTHER THAN CREATING SANE-LOOKING RPC.
-	peer := wf.selectPeer()
+	peer, err := utils.SelectPeer(wf.h, string(WakuFilterProtocolId))
-
+	if err == nil {
-	if peer != nil {
 		conn, err := wf.h.NewStream(ctx, *peer, WakuFilterProtocolId)
 
 		if conn != nil {
@@ -312,5 +306,7 @@ func (wf *WakuFilter) Unsubscribe(ctx context.Context, request pb.FilterRequest)
 			log.Error("failed to connect to remote peer", err)
 			//waku_filter_errors.inc(labelValues = [dialFailure])
 		}
+	} else {
+		log.Info("Error selecting peer: ", err)
 	}
 }

vendor/github.com/status-im/go-waku/waku/v2/protocol/lightpush/waku_lightpush.go

@@ -10,20 +10,17 @@ import (
 	"github.com/libp2p/go-libp2p-core/host"
 	"github.com/libp2p/go-libp2p-core/network"
 	"github.com/libp2p/go-libp2p-core/peer"
-	"github.com/libp2p/go-libp2p-core/peerstore"
 	libp2pProtocol "github.com/libp2p/go-libp2p-core/protocol"
 	"github.com/libp2p/go-msgio/protoio"
-
-	ma "github.com/multiformats/go-multiaddr"
 	"github.com/status-im/go-waku/waku/v2/protocol"
-	"github.com/status-im/go-waku/waku/v2/protocol/relay"
-
 	"github.com/status-im/go-waku/waku/v2/protocol/pb"
+	"github.com/status-im/go-waku/waku/v2/protocol/relay"
+	utils "github.com/status-im/go-waku/waku/v2/utils"
 )
 
 var log = logging.Logger("waku_lightpush")
 
-const WakuLightPushProtocolId = libp2pProtocol.ID("/vac/waku/lightpush/2.0.0-alpha1")
+const WakuLightPushProtocolId = libp2pProtocol.ID("/vac/waku/lightpush/2.0.0-beta1")
 
 var (
 	ErrNoPeersAvailable = errors.New("no suitable remote peers")
@@ -62,7 +59,7 @@ func (wakuLP *WakuLightPush) onRequest(s network.Stream) {
 		return
 	}
 
-	log.Info(fmt.Sprintf("%s: Received query from %s", s.Conn().LocalPeer(), s.Conn().RemotePeer()))
+	log.Info(fmt.Sprintf("%s: lightpush message received from %s", s.Conn().LocalPeer(), s.Conn().RemotePeer()))
 
 	if requestPushRPC.Query != nil {
 		log.Info("lightpush push request")
@@ -79,10 +76,10 @@ func (wakuLP *WakuLightPush) onRequest(s network.Stream) {
 				response.Info = "Could not publish message"
 			} else {
 				response.IsSuccess = true
-				response.Info = "Totally"
+				response.Info = "Totally" // TODO: ask about this
 			}
 		} else {
-			log.Debug("No relay protocol present, unsuccessful push")
+			log.Debug("no relay protocol present, unsuccessful push")
 			response.IsSuccess = false
 			response.Info = "No relay protocol"
 		}
@@ -96,7 +93,7 @@ func (wakuLP *WakuLightPush) onRequest(s network.Stream) {
 			log.Error("error writing response", err)
 			s.Reset()
 		} else {
-			log.Info(fmt.Sprintf("%s: Response sent  to %s", s.Conn().LocalPeer().String(), s.Conn().RemotePeer().String()))
+			log.Info(fmt.Sprintf("%s: response sent  to %s", s.Conn().LocalPeer().String(), s.Conn().RemotePeer().String()))
 		}
 	}
 
@@ -109,41 +106,6 @@ func (wakuLP *WakuLightPush) onRequest(s network.Stream) {
 	}
 }
 
-// TODO: AddPeer and selectPeer are duplicated in wakustore too. Refactor this code
-
-func (wakuLP *WakuLightPush) AddPeer(p peer.ID, addrs []ma.Multiaddr) error {
-	for _, addr := range addrs {
-		wakuLP.h.Peerstore().AddAddr(p, addr, peerstore.PermanentAddrTTL)
-	}
-	err := wakuLP.h.Peerstore().AddProtocols(p, string(WakuLightPushProtocolId))
-	if err != nil {
-		return err
-	}
-	return nil
-}
-
-func (wakuLP *WakuLightPush) selectPeer() *peer.ID {
-	var peers peer.IDSlice
-	for _, peer := range wakuLP.h.Peerstore().Peers() {
-		protocols, err := wakuLP.h.Peerstore().SupportsProtocols(peer, string(WakuLightPushProtocolId))
-		if err != nil {
-			log.Error("error obtaining the protocols supported by peers", err)
-			return nil
-		}
-
-		if len(protocols) > 0 {
-			peers = append(peers, peer)
-		}
-	}
-
-	if len(peers) >= 1 {
-		// TODO: proper heuristic here that compares peer scores and selects "best" one. For now the first peer for the given protocol is returned
-		return &peers[0]
-	}
-
-	return nil
-}
-
 type LightPushParameters struct {
 	selectedPeer peer.ID
 	requestId    []byte
@@ -161,8 +123,12 @@ func WithPeer(p peer.ID) LightPushOption {
 
 func WithAutomaticPeerSelection() LightPushOption {
 	return func(params *LightPushParameters) {
-		p := params.lp.selectPeer()
+		p, err := utils.SelectPeer(params.lp.h, string(WakuLightPushProtocolId))
-		params.selectedPeer = *p
+		if err == nil {
+			params.selectedPeer = *p
+		} else {
+			log.Info("Error selecting peer: ", err)
+		}
 	}
 }
 
@@ -187,6 +153,7 @@ func DefaultOptions() []LightPushOption {
 
 func (wakuLP *WakuLightPush) Request(ctx context.Context, req *pb.PushRequest, opts ...LightPushOption) (*pb.PushResponse, error) {
 	params := new(LightPushParameters)
+	params.lp = wakuLP
 
 	optList := DefaultOptions()
 	optList = append(optList, opts...)

vendor/github.com/status-im/go-waku/waku/v2/protocol/pb/waku_store.proto

@@ -6,7 +6,8 @@ import "waku_message.proto";
 
 message Index {
   bytes digest = 1;
-  double receivedTime = 2;
+  double receiverTime = 2;
+  double senderTime = 3;
 }
 
 message PagingInfo {

vendor/github.com/status-im/go-waku/waku/v2/protocol/store/waku_store.go

@@ -13,23 +13,25 @@ import (
 	"time"
 
 	logging "github.com/ipfs/go-log"
+	"github.com/libp2p/go-libp2p-core/event"
 	"github.com/libp2p/go-libp2p-core/host"
 	"github.com/libp2p/go-libp2p-core/network"
 	"github.com/libp2p/go-libp2p-core/peer"
-	"github.com/libp2p/go-libp2p-core/peerstore"
 	libp2pProtocol "github.com/libp2p/go-libp2p-core/protocol"
 	"github.com/libp2p/go-msgio/protoio"
+	"go.opencensus.io/stats"
+	"go.opencensus.io/tag"
 
-	ma "github.com/multiformats/go-multiaddr"
+	"github.com/status-im/go-waku/waku/v2/metrics"
 	"github.com/status-im/go-waku/waku/v2/protocol"
 	"github.com/status-im/go-waku/waku/v2/protocol/pb"
+	"github.com/status-im/go-waku/waku/v2/utils"
 )
 
 var log = logging.Logger("wakustore")
 
 const WakuStoreProtocolId = libp2pProtocol.ID("/vac/waku/store/2.0.0-beta3")
 const MaxPageSize = 100 // Maximum number of waku messages in each page
-const ConnectionTimeout = 10 * time.Second
 const DefaultContentTopic = "/waku/2/default-content/proto"
 
 var (
@@ -180,8 +182,15 @@ func (w *WakuStore) FindMessages(query *pb.HistoryQuery) *pb.HistoryResponse {
 	return result
 }
 
+type StoredMessage struct {
+	ID           []byte
+	PubsubTopic  string
+	ReceiverTime int64
+	Message      *pb.WakuMessage
+}
+
 type MessageProvider interface {
-	GetAll() ([]*protocol.Envelope, error)
+	GetAll() ([]StoredMessage, error)
 	Put(cursor *pb.Index, pubsubTopic string, message *pb.WakuMessage) error
 	Stop()
 }
@@ -193,13 +202,18 @@ type IndexedWakuMessage struct {
 }
 
 type WakuStore struct {
-	MsgC          chan *protocol.Envelope
+	ctx        context.Context
-	messages      []IndexedWakuMessage
+	MsgC       chan *protocol.Envelope
+	messages   []IndexedWakuMessage
+	messageSet map[[32]byte]struct{}
+
 	messagesMutex sync.Mutex
 
 	storeMsgs   bool
 	msgProvider MessageProvider
 	h           host.Host
+
+	peerChan chan *event.EvtPeerConnectednessChanged
 }
 
 func NewWakuStore(shouldStoreMessages bool, p MessageProvider) *WakuStore {
@@ -215,8 +229,18 @@ func (store *WakuStore) SetMsgProvider(p MessageProvider) {
 	store.msgProvider = p
 }
 
-func (store *WakuStore) Start(h host.Host) {
+func (store *WakuStore) peerListener() {
+	for e := range store.peerChan {
+		if e.Connectedness == network.NotConnected {
+			log.Info("Notification received ", e.Peer)
+		}
+	}
+}
+
+func (store *WakuStore) Start(ctx context.Context, h host.Host, peerChan chan *event.EvtPeerConnectednessChanged) {
 	store.h = h
+	store.ctx = ctx
+	store.peerChan = peerChan
 
 	if !store.storeMsgs {
 		log.Info("Store protocol started (messages aren't stored)")
@@ -225,31 +249,48 @@ func (store *WakuStore) Start(h host.Host) {
 
 	store.h.SetStreamHandler(WakuStoreProtocolId, store.onRequest)
 
-	go store.storeIncomingMessages()
+	go store.storeIncomingMessages(ctx)
 
 	if store.msgProvider == nil {
 		log.Info("Store protocol started (no message provider)")
 		return
 	}
 
-	envelopes, err := store.msgProvider.GetAll()
+	storedMessages, err := store.msgProvider.GetAll()
 	if err != nil {
 		log.Error("could not load DBProvider messages")
+		stats.RecordWithTags(ctx, []tag.Mutator{tag.Insert(metrics.KeyStoreErrorType, "store_load_failure")}, metrics.Errors.M(1))
 		return
 	}
 
-	for _, env := range envelopes {
+	for _, storedMessage := range storedMessages {
-		idx, err := computeIndex(env.Message())
+		idx := &pb.Index{
-		if err != nil {
+			Digest:       storedMessage.ID,
-			log.Error("could not calculate message index", err)
+			ReceiverTime: float64(storedMessage.ReceiverTime),
-			continue
 		}
-		store.messages = append(store.messages, IndexedWakuMessage{msg: env.Message(), index: idx, pubsubTopic: env.PubsubTopic()})
+
+		store.storeMessageWithIndex(storedMessage.PubsubTopic, idx, storedMessage.Message)
+
+		stats.RecordWithTags(ctx, []tag.Mutator{tag.Insert(metrics.KeyType, "stored")}, metrics.StoreMessages.M(int64(len(store.messages))))
 	}
 
+	go store.peerListener()
+
 	log.Info("Store protocol started")
 }
 
+func (store *WakuStore) storeMessageWithIndex(pubsubTopic string, idx *pb.Index, msg *pb.WakuMessage) {
+	var k [32]byte
+	copy(k[:], idx.Digest)
+
+	if _, ok := store.messageSet[k]; ok {
+		return
+	}
+
+	store.messageSet[k] = struct{}{}
+	store.messages = append(store.messages, IndexedWakuMessage{msg: msg, index: idx, pubsubTopic: pubsubTopic})
+}
+
 func (store *WakuStore) storeMessage(pubSubTopic string, msg *pb.WakuMessage) {
 	index, err := computeIndex(msg)
 	if err != nil {
@@ -258,21 +299,26 @@ func (store *WakuStore) storeMessage(pubSubTopic string, msg *pb.WakuMessage) {
 	}
 
 	store.messagesMutex.Lock()
-	store.messages = append(store.messages, IndexedWakuMessage{msg: msg, index: index, pubsubTopic: pubSubTopic})
+	defer store.messagesMutex.Unlock()
-	store.messagesMutex.Unlock()
+
+	store.storeMessageWithIndex(pubSubTopic, index, msg)
 
 	if store.msgProvider == nil {
 		return
 	}
 
 	err = store.msgProvider.Put(index, pubSubTopic, msg) // Should the index be stored?
+
 	if err != nil {
 		log.Error("could not store message", err)
+		stats.RecordWithTags(store.ctx, []tag.Mutator{tag.Insert(metrics.KeyStoreErrorType, "store_failure")}, metrics.Errors.M(1))
 		return
 	}
+
+	stats.RecordWithTags(store.ctx, []tag.Mutator{tag.Insert(metrics.KeyType, "stored")}, metrics.StoreMessages.M(int64(len(store.messages))))
 }
 
-func (store *WakuStore) storeIncomingMessages() {
+func (store *WakuStore) storeIncomingMessages(ctx context.Context) {
 	for envelope := range store.MsgC {
 		store.storeMessage(envelope.PubsubTopic(), envelope.Message())
 	}
@@ -289,6 +335,7 @@ func (store *WakuStore) onRequest(s network.Stream) {
 	err := reader.ReadMsg(historyRPCRequest)
 	if err != nil {
 		log.Error("error reading request", err)
+		stats.RecordWithTags(store.ctx, []tag.Mutator{tag.Insert(metrics.KeyStoreErrorType, "decodeRPCFailure")}, metrics.Errors.M(1))
 		return
 	}
 
@@ -315,7 +362,8 @@ func computeIndex(msg *pb.WakuMessage) (*pb.Index, error) {
 	digest := sha256.Sum256(data)
 	return &pb.Index{
 		Digest:       digest[:],
-		ReceivedTime: float64(time.Now().UnixNano()),
+		ReceiverTime: float64(time.Now().UnixNano()),
+		SenderTime:   msg.Timestamp,
 	}, nil
 }
 
@@ -325,10 +373,10 @@ func indexComparison(x, y *pb.Index) int {
 	// returns -1 if x < y
 	// returns 1 if x > y
 
-	var timecmp int = 0 // TODO: ask waku team why Index ReceivedTime is is float?
+	var timecmp int = 0
-	if x.ReceivedTime > y.ReceivedTime {
+	if x.SenderTime > y.SenderTime {
 		timecmp = 1
-	} else if x.ReceivedTime < y.ReceivedTime {
+	} else if x.SenderTime < y.SenderTime {
 		timecmp = -1
 	}
 
@@ -352,58 +400,16 @@ func findIndex(msgList []IndexedWakuMessage, index *pb.Index) int {
 	// returns the position of an IndexedWakuMessage in msgList whose index value matches the given index
 	// returns -1 if no match is found
 	for i, indexedWakuMessage := range msgList {
-		if bytes.Compare(indexedWakuMessage.index.Digest, index.Digest) == 0 && indexedWakuMessage.index.ReceivedTime == index.ReceivedTime {
+		if bytes.Equal(indexedWakuMessage.index.Digest, index.Digest) && indexedWakuMessage.index.ReceiverTime == index.ReceiverTime {
 			return i
 		}
 	}
 	return -1
 }
 
-func (store *WakuStore) AddPeer(p peer.ID, addrs []ma.Multiaddr) error {
-	for _, addr := range addrs {
-		store.h.Peerstore().AddAddr(p, addr, peerstore.PermanentAddrTTL)
-	}
-	err := store.h.Peerstore().AddProtocols(p, string(WakuStoreProtocolId))
-	if err != nil {
-		return err
-	}
-	return nil
-}
-
-func (store *WakuStore) selectPeer() *peer.ID {
-	// @TODO We need to be more stratigic about which peers we dial. Right now we just set one on the service.
-	// Ideally depending on the query and our set  of peers we take a subset of ideal peers.
-	// This will require us to check for various factors such as:
-	//  - which topics they track
-	//  - latency?
-	//  - default store peer?
-
-	// Selects the best peer for a given protocol
-	var peers peer.IDSlice
-	for _, peer := range store.h.Peerstore().Peers() {
-		protocols, err := store.h.Peerstore().SupportsProtocols(peer, string(WakuStoreProtocolId))
-		if err != nil {
-			log.Error("error obtaining the protocols supported by peers", err)
-			return nil
-		}
-
-		if len(protocols) > 0 {
-			peers = append(peers, peer)
-		}
-	}
-
-	if len(peers) >= 1 {
-		// TODO: proper heuristic here that compares peer scores and selects "best" one. For now the first peer for the given protocol is returned
-		return &peers[0]
-	}
-
-	return nil
-}
-
 type HistoryRequestParameters struct {
 	selectedPeer peer.ID
 	requestId    []byte
-	timeout      *time.Duration
 	cursor       *pb.Index
 	pageSize     uint64
 	asc          bool
@@ -421,8 +427,12 @@ func WithPeer(p peer.ID) HistoryRequestOption {
 
 func WithAutomaticPeerSelection() HistoryRequestOption {
 	return func(params *HistoryRequestParameters) {
-		p := params.s.selectPeer()
+		p, err := utils.SelectPeer(params.s.h, string(WakuStoreProtocolId))
-		params.selectedPeer = *p
+		if err == nil {
+			params.selectedPeer = *p
+		} else {
+			log.Info("Error selecting peer: ", err)
+		}
 	}
 }
 
@@ -484,9 +494,12 @@ func (store *WakuStore) queryFrom(ctx context.Context, q *pb.HistoryQuery, selec
 	err = reader.ReadMsg(historyResponseRPC)
 	if err != nil {
 		log.Error("could not read response", err)
+		stats.RecordWithTags(store.ctx, []tag.Mutator{tag.Insert(metrics.KeyStoreErrorType, "decodeRPCFailure")}, metrics.Errors.M(1))
 		return nil, err
 	}
 
+	stats.RecordWithTags(store.ctx, []tag.Mutator{tag.Insert(metrics.KeyType, "retrieved")}, metrics.StoreMessages.M(int64(len(store.messages))))
+
 	return historyResponseRPC.Response, nil
 }
 
@@ -555,7 +568,7 @@ func (store *WakuStore) findLastSeen() float64 {
 // if no peerList is passed, one of the peers in the underlying peer manager unit of the store protocol is picked randomly to fetch the history from. The history gets fetched successfully if the dialed peer has been online during the queried time window.
 // the resume proc returns the number of retrieved messages if no error occurs, otherwise returns the error string
 
-func (store *WakuStore) Resume(ctx context.Context, pubsubTopic string, peerList []peer.ID) (int, error) {
+func (store *WakuStore) Resume(pubsubTopic string, peerList []peer.ID) (int, error) {
 	currentTime := float64(time.Now().UnixNano())
 	lastSeenTime := store.findLastSeen()
 
@@ -577,20 +590,20 @@ func (store *WakuStore) Resume(ctx context.Context, pubsubTopic string, peerList
 	var response *pb.HistoryResponse
 	if len(peerList) > 0 {
 		var err error
-		response, err = store.queryLoop(ctx, rpc, peerList)
+		response, err = store.queryLoop(store.ctx, rpc, peerList)
 		if err != nil {
 			log.Error("failed to resume history", err)
 			return -1, ErrFailedToResumeHistory
 		}
 	} else {
-		p := store.selectPeer()
+		p, err := utils.SelectPeer(store.h, string(WakuStoreProtocolId))
 
-		if p == nil {
+		if err != nil {
+			log.Info("Error selecting peer: ", err)
 			return -1, ErrNoPeersAvailable
 		}
 
-		var err error
+		response, err = store.queryFrom(store.ctx, rpc, *p, protocol.GenerateRequestId())
-		response, err = store.queryFrom(ctx, rpc, *p, protocol.GenerateRequestId())
 		if err != nil {
 			log.Error("failed to resume history", err)
 			return -1, ErrFailedToResumeHistory

vendor/github.com/status-im/go-waku/waku/v2/utils/peer.go

@@ -0,0 +1,42 @@
+package utils
+
+import (
+	"errors"
+
+	logging "github.com/ipfs/go-log"
+	"github.com/libp2p/go-libp2p-core/host"
+	"github.com/libp2p/go-libp2p-core/peer"
+)
+
+var log = logging.Logger("utils")
+
+func SelectPeer(host host.Host, protocolId string) (*peer.ID, error) {
+	// @TODO We need to be more strategic about which peers we dial. Right now we just set one on the service.
+	// Ideally depending on the query and our set  of peers we take a subset of ideal peers.
+	// This will require us to check for various factors such as:
+	//  - which topics they track
+	//  - latency?
+	//  - default store peer?
+
+	// Selects the best peer for a given protocol
+
+	var peers peer.IDSlice
+	for _, peer := range host.Peerstore().Peers() {
+		protocols, err := host.Peerstore().SupportsProtocols(peer, protocolId)
+		if err != nil {
+			log.Error("error obtaining the protocols supported by peers", err)
+			return nil, err
+		}
+
+		if len(protocols) > 0 {
+			peers = append(peers, peer)
+		}
+	}
+
+	if len(peers) >= 1 {
+		// TODO: proper heuristic here that compares peer scores and selects "best" one. For now the first peer for the given protocol is returned
+		return &peers[0], nil
+	}
+
+	return nil, errors.New("No suitable peers found")
+}

vendor/github.com/status-im/go-wakurelay-pubsub/pubsub.go

@@ -14,6 +14,7 @@ import (
 
 	"github.com/libp2p/go-libp2p-core/crypto"
 	"github.com/libp2p/go-libp2p-core/discovery"
+	"github.com/libp2p/go-libp2p-core/event"
 	"github.com/libp2p/go-libp2p-core/host"
 	"github.com/libp2p/go-libp2p-core/network"
 	"github.com/libp2p/go-libp2p-core/peer"
@@ -472,6 +473,8 @@ func WithMaxMessageSize(maxMessageSize int) Option {
 
 // processLoop handles all inputs arriving on the channels
 func (p *PubSub) processLoop(ctx context.Context) {
+	em, _ := p.host.EventBus().Emitter(new(event.EvtPeerConnectednessChanged))
+
 	defer func() {
 		// Clean up go routines.
 		for _, ch := range p.peers {
@@ -479,6 +482,7 @@ func (p *PubSub) processLoop(ctx context.Context) {
 		}
 		p.peers = nil
 		p.topics = nil
+		em.Close() // MUST call this after being done with the emitter
 	}()
 
 	for {
@@ -499,6 +503,8 @@ func (p *PubSub) processLoop(ctx context.Context) {
 			go p.handleNewPeer(ctx, pid, messages)
 			p.peers[pid] = messages
 
+			em.Emit(event.EvtPeerConnectednessChanged{Peer: pid, Connectedness: network.Connected})
+
 		case s := <-p.newPeerStream:
 			pid := s.Conn().RemotePeer()
 
@@ -520,6 +526,7 @@ func (p *PubSub) processLoop(ctx context.Context) {
 
 		case pid := <-p.newPeerError:
 			delete(p.peers, pid)
+			em.Emit(event.EvtPeerConnectednessChanged{Peer: pid, Connectedness: network.NotConnected})
 
 		case pid := <-p.peerDead:
 			ch, ok := p.peers[pid]
@@ -549,6 +556,7 @@ func (p *PubSub) processLoop(ctx context.Context) {
 			}
 
 			p.rt.RemovePeer(pid)
+			em.Emit(event.EvtPeerConnectednessChanged{Peer: pid, Connectedness: network.NotConnected})
 
 		case treq := <-p.getTopics:
 			var out []string

vendor/github.com/status-im/go-wakurelay-pubsub/wakurelaysub.go

@@ -28,10 +28,10 @@ const (
 	// https://github.com/libp2p/specs/blob/master/pubsub/gossipsub/gossipsub-v1.1.md
 	GossipSubID_v11 = protocol.ID("/meshsub/1.1.0")
 
-	// WakuRelayID_v200b2 is the protocol ID for version 2.0.0-beta2 of the WakuRelay protocol.
+	// WakuRelayID_v200 is the protocol ID for version 2.0.0 of the WakuRelay protocol.
 	// See the spec for details about how v1.1.0 compares to v1.0.0:
 	// https://specs.vac.dev/specs/waku/v2/waku-relay
-	WakuRelayID_v200b2 = protocol.ID("/vac/waku/relay/2.0.0-beta2")
+	WakuRelayID_v200 = protocol.ID("/vac/waku/relay/2.0.0")
 )
 
 var (
@@ -419,7 +419,7 @@ type connectInfo struct {
 }
 
 func (gs *WakuRelaySubRouter) Protocols() []protocol.ID {
-	return []protocol.ID{WakuRelayID_v200b2, GossipSubID_v11, GossipSubID_v10, FloodSubID}
+	return []protocol.ID{WakuRelayID_v200, GossipSubID_v11, GossipSubID_v10, FloodSubID}
 }
 
 func (gs *WakuRelaySubRouter) Attach(p *PubSub) {
@@ -1629,7 +1629,7 @@ func (gs *WakuRelaySubRouter) emitGossip(topic string, exclude map[peer.ID]struc
 	for p := range gs.p.topics[topic] {
 		_, inExclude := exclude[p]
 		_, direct := gs.direct[p]
-		if !inExclude && !direct && (gs.peers[p] == GossipSubID_v10 || gs.peers[p] == GossipSubID_v11 || gs.peers[p] == WakuRelayID_v200b2) && gs.score.Score(p) >= gs.gossipThreshold {
+		if !inExclude && !direct && (gs.peers[p] == GossipSubID_v10 || gs.peers[p] == GossipSubID_v11 || gs.peers[p] == WakuRelayID_v200) && gs.score.Score(p) >= gs.gossipThreshold {
 			peers = append(peers, p)
 		}
 	}
@@ -1797,7 +1797,7 @@ func (gs *WakuRelaySubRouter) getPeers(topic string, count int, filter func(peer
 
 	peers := make([]peer.ID, 0, len(tmap))
 	for p := range tmap {
-		if (gs.peers[p] == GossipSubID_v10 || gs.peers[p] == GossipSubID_v11 || gs.peers[p] == WakuRelayID_v200b2) && filter(p) {
+		if (gs.peers[p] == GossipSubID_v10 || gs.peers[p] == GossipSubID_v11 || gs.peers[p] == WakuRelayID_v200) && filter(p) {
 			peers = append(peers, p)
 		}
 	}

vendor/go.opencensus.io/stats/view/aggregation.go

@@ -15,6 +15,8 @@
 
 package view
 
+import "time"
+
 // AggType represents the type of aggregation function used on a View.
 type AggType int
 
@@ -45,20 +47,20 @@ type Aggregation struct {
 	Type    AggType   // Type is the AggType of this Aggregation.
 	Buckets []float64 // Buckets are the bucket endpoints if this Aggregation represents a distribution, see Distribution.
 
-	newData func() AggregationData
+	newData func(time.Time) AggregationData
 }
 
 var (
 	aggCount = &Aggregation{
 		Type: AggTypeCount,
-		newData: func() AggregationData {
+		newData: func(t time.Time) AggregationData {
-			return &CountData{}
+			return &CountData{Start: t}
 		},
 	}
 	aggSum = &Aggregation{
 		Type: AggTypeSum,
-		newData: func() AggregationData {
+		newData: func(t time.Time) AggregationData {
-			return &SumData{}
+			return &SumData{Start: t}
 		},
 	}
 )
@@ -103,8 +105,8 @@ func Distribution(bounds ...float64) *Aggregation {
 		Type:    AggTypeDistribution,
 		Buckets: bounds,
 	}
-	agg.newData = func() AggregationData {
+	agg.newData = func(t time.Time) AggregationData {
-		return newDistributionData(agg)
+		return newDistributionData(agg, t)
 	}
 	return agg
 }
@@ -114,7 +116,7 @@ func Distribution(bounds ...float64) *Aggregation {
 func LastValue() *Aggregation {
 	return &Aggregation{
 		Type: AggTypeLastValue,
-		newData: func() AggregationData {
+		newData: func(_ time.Time) AggregationData {
 			return &LastValueData{}
 		},
 	}

vendor/go.opencensus.io/stats/view/aggregation_data.go

@@ -31,6 +31,7 @@ type AggregationData interface {
 	clone() AggregationData
 	equal(other AggregationData) bool
 	toPoint(t metricdata.Type, time time.Time) metricdata.Point
+	StartTime() time.Time
 }
 
 const epsilon = 1e-9
@@ -40,6 +41,7 @@ const epsilon = 1e-9
 //
 // Most users won't directly access count data.
 type CountData struct {
+	Start time.Time
 	Value int64
 }
 
@@ -50,7 +52,7 @@ func (a *CountData) addSample(_ float64, _ map[string]interface{}, _ time.Time)
 }
 
 func (a *CountData) clone() AggregationData {
-	return &CountData{Value: a.Value}
+	return &CountData{Value: a.Value, Start: a.Start}
 }
 
 func (a *CountData) equal(other AggregationData) bool {
@@ -59,7 +61,7 @@ func (a *CountData) equal(other AggregationData) bool {
 		return false
 	}
 
-	return a.Value == a2.Value
+	return a.Start.Equal(a2.Start) && a.Value == a2.Value
 }
 
 func (a *CountData) toPoint(metricType metricdata.Type, t time.Time) metricdata.Point {
@@ -71,11 +73,17 @@ func (a *CountData) toPoint(metricType metricdata.Type, t time.Time) metricdata.
 	}
 }
 
+// StartTime returns the start time of the data being aggregated by CountData.
+func (a *CountData) StartTime() time.Time {
+	return a.Start
+}
+
 // SumData is the aggregated data for the Sum aggregation.
 // A sum aggregation processes data and sums up the recordings.
 //
 // Most users won't directly access sum data.
 type SumData struct {
+	Start time.Time
 	Value float64
 }
 
@@ -86,7 +94,7 @@ func (a *SumData) addSample(v float64, _ map[string]interface{}, _ time.Time) {
 }
 
 func (a *SumData) clone() AggregationData {
-	return &SumData{Value: a.Value}
+	return &SumData{Value: a.Value, Start: a.Start}
 }
 
 func (a *SumData) equal(other AggregationData) bool {
@@ -94,7 +102,7 @@ func (a *SumData) equal(other AggregationData) bool {
 	if !ok {
 		return false
 	}
-	return math.Pow(a.Value-a2.Value, 2) < epsilon
+	return a.Start.Equal(a2.Start) && math.Pow(a.Value-a2.Value, 2) < epsilon
 }
 
 func (a *SumData) toPoint(metricType metricdata.Type, t time.Time) metricdata.Point {
@@ -108,6 +116,11 @@ func (a *SumData) toPoint(metricType metricdata.Type, t time.Time) metricdata.Po
 	}
 }
 
+// StartTime returns the start time of the data being aggregated by SumData.
+func (a *SumData) StartTime() time.Time {
+	return a.Start
+}
+
 // DistributionData is the aggregated data for the
 // Distribution aggregation.
 //
@@ -126,9 +139,10 @@ type DistributionData struct {
 	// an exemplar for the associated bucket, or nil.
 	ExemplarsPerBucket []*metricdata.Exemplar
 	bounds             []float64 // histogram distribution of the values
+	Start              time.Time
 }
 
-func newDistributionData(agg *Aggregation) *DistributionData {
+func newDistributionData(agg *Aggregation, t time.Time) *DistributionData {
 	bucketCount := len(agg.Buckets) + 1
 	return &DistributionData{
 		CountPerBucket:     make([]int64, bucketCount),
@@ -136,6 +150,7 @@ func newDistributionData(agg *Aggregation) *DistributionData {
 		bounds:             agg.Buckets,
 		Min:                math.MaxFloat64,
 		Max:                math.SmallestNonzeroFloat64,
+		Start:              t,
 	}
 }
 
@@ -226,7 +241,11 @@ func (a *DistributionData) equal(other AggregationData) bool {
 			return false
 		}
 	}
-	return a.Count == a2.Count && a.Min == a2.Min && a.Max == a2.Max && math.Pow(a.Mean-a2.Mean, 2) < epsilon && math.Pow(a.variance()-a2.variance(), 2) < epsilon
+	return a.Start.Equal(a2.Start) &&
+		a.Count == a2.Count &&
+		a.Min == a2.Min &&
+		a.Max == a2.Max &&
+		math.Pow(a.Mean-a2.Mean, 2) < epsilon && math.Pow(a.variance()-a2.variance(), 2) < epsilon
 }
 
 func (a *DistributionData) toPoint(metricType metricdata.Type, t time.Time) metricdata.Point {
@@ -256,6 +275,11 @@ func (a *DistributionData) toPoint(metricType metricdata.Type, t time.Time) metr
 	}
 }
 
+// StartTime returns the start time of the data being aggregated by DistributionData.
+func (a *DistributionData) StartTime() time.Time {
+	return a.Start
+}
+
 // LastValueData returns the last value recorded for LastValue aggregation.
 type LastValueData struct {
 	Value float64
@@ -291,3 +315,22 @@ func (l *LastValueData) toPoint(metricType metricdata.Type, t time.Time) metricd
 		panic("unsupported metricdata.Type")
 	}
 }
+
+// StartTime returns an empty time value as start time is not recorded when using last value
+// aggregation.
+func (l *LastValueData) StartTime() time.Time {
+	return time.Time{}
+}
+
+// ClearStart clears the Start field from data if present. Useful for testing in cases where the
+// start time will be nondeterministic.
+func ClearStart(data AggregationData) {
+	switch data := data.(type) {
+	case *CountData:
+		data.Start = time.Time{}
+	case *SumData:
+		data.Start = time.Time{}
+	case *DistributionData:
+		data.Start = time.Time{}
+	}
+}

vendor/go.opencensus.io/stats/view/collector.go

@@ -35,7 +35,7 @@ type collector struct {
 func (c *collector) addSample(s string, v float64, attachments map[string]interface{}, t time.Time) {
 	aggregator, ok := c.signatures[s]
 	if !ok {
-		aggregator = c.a.newData()
+		aggregator = c.a.newData(t)
 		c.signatures[s] = aggregator
 	}
 	aggregator.addSample(v, attachments, t)

vendor/go.opencensus.io/stats/view/view_to_metric.go

@@ -119,20 +119,15 @@ func toLabelValues(row *Row, expectedKeys []metricdata.LabelKey) []metricdata.La
 	return labelValues
 }
 
-func rowToTimeseries(v *viewInternal, row *Row, now time.Time, startTime time.Time) *metricdata.TimeSeries {
+func rowToTimeseries(v *viewInternal, row *Row, now time.Time) *metricdata.TimeSeries {
 	return &metricdata.TimeSeries{
 		Points:      []metricdata.Point{row.Data.toPoint(v.metricDescriptor.Type, now)},
 		LabelValues: toLabelValues(row, v.metricDescriptor.LabelKeys),
-		StartTime:   startTime,
+		StartTime:   row.Data.StartTime(),
 	}
 }
 
-func viewToMetric(v *viewInternal, r *resource.Resource, now time.Time, startTime time.Time) *metricdata.Metric {
+func viewToMetric(v *viewInternal, r *resource.Resource, now time.Time) *metricdata.Metric {
-	if v.metricDescriptor.Type == metricdata.TypeGaugeInt64 ||
-		v.metricDescriptor.Type == metricdata.TypeGaugeFloat64 {
-		startTime = time.Time{}
-	}
-
 	rows := v.collectedRows()
 	if len(rows) == 0 {
 		return nil
@@ -140,7 +135,7 @@ func viewToMetric(v *viewInternal, r *resource.Resource, now time.Time, startTim
 
 	ts := []*metricdata.TimeSeries{}
 	for _, row := range rows {
-		ts = append(ts, rowToTimeseries(v, row, now, startTime))
+		ts = append(ts, rowToTimeseries(v, row, now))
 	}
 
 	m := &metricdata.Metric{

vendor/go.opencensus.io/stats/view/worker.go

@@ -41,9 +41,9 @@ type measureRef struct {
 }
 
 type worker struct {
-	measures   map[string]*measureRef
+	measures       map[string]*measureRef
-	views      map[string]*viewInternal
+	views          map[string]*viewInternal
-	startTimes map[*viewInternal]time.Time
+	viewStartTimes map[*viewInternal]time.Time
 
 	timer      *time.Ticker
 	c          chan command
@@ -244,13 +244,13 @@ func (w *worker) SetReportingPeriod(d time.Duration) {
 // a single process.
 func NewMeter() Meter {
 	return &worker{
-		measures:   make(map[string]*measureRef),
+		measures:       make(map[string]*measureRef),
-		views:      make(map[string]*viewInternal),
+		views:          make(map[string]*viewInternal),
-		startTimes: make(map[*viewInternal]time.Time),
+		viewStartTimes: make(map[*viewInternal]time.Time),
-		timer:      time.NewTicker(defaultReportingDuration),
+		timer:          time.NewTicker(defaultReportingDuration),
-		c:          make(chan command, 1024),
+		c:              make(chan command, 1024),
-		quit:       make(chan bool),
+		quit:           make(chan bool),
-		done:       make(chan bool),
+		done:           make(chan bool),
 
 		exporters: make(map[Exporter]struct{}),
 	}
@@ -324,7 +324,7 @@ func (w *worker) tryRegisterView(v *View) (*viewInternal, error) {
 		return x, nil
 	}
 	w.views[vi.view.Name] = vi
-	w.startTimes[vi] = time.Now()
+	w.viewStartTimes[vi] = time.Now()
 	ref := w.getMeasureRef(vi.view.Measure.Name())
 	ref.views[vi] = struct{}{}
 	return vi, nil
@@ -334,7 +334,7 @@ func (w *worker) unregisterView(v *viewInternal) {
 	w.mu.Lock()
 	defer w.mu.Unlock()
 	delete(w.views, v.view.Name)
-	delete(w.startTimes, v)
+	delete(w.viewStartTimes, v)
 	if measure := w.measures[v.view.Measure.Name()]; measure != nil {
 		delete(measure.views, v)
 	}
@@ -347,7 +347,7 @@ func (w *worker) reportView(v *viewInternal) {
 	rows := v.collectedRows()
 	viewData := &Data{
 		View:  v.view,
-		Start: w.startTimes[v],
+		Start: w.viewStartTimes[v],
 		End:   time.Now(),
 		Rows:  rows,
 	}
@@ -371,15 +371,7 @@ func (w *worker) toMetric(v *viewInternal, now time.Time) *metricdata.Metric {
 		return nil
 	}
 
-	var startTime time.Time
+	return viewToMetric(v, w.r, now)
-	if v.metricDescriptor.Type == metricdata.TypeGaugeInt64 ||
-		v.metricDescriptor.Type == metricdata.TypeGaugeFloat64 {
-		startTime = time.Time{}
-	} else {
-		startTime = w.startTimes[v]
-	}
-
-	return viewToMetric(v, w.r, now, startTime)
 }
 
 // Read reads all view data and returns them as metrics.

vendor/modules.txt

@@ -144,7 +144,7 @@ github.com/golang/groupcache/consistenthash
 github.com/golang/groupcache/groupcachepb
 github.com/golang/groupcache/lru
 github.com/golang/groupcache/singleflight
-# github.com/golang/mock v1.4.1
+# github.com/golang/mock v1.4.4
 github.com/golang/mock/gomock
 # github.com/golang/protobuf v1.5.2
 github.com/golang/protobuf/proto
@@ -391,13 +391,13 @@ github.com/peterh/liner
 github.com/pkg/errors
 # github.com/pmezard/go-difflib v1.0.0
 github.com/pmezard/go-difflib/difflib
-# github.com/prometheus/client_golang v1.9.0
+# github.com/prometheus/client_golang v1.11.0
 github.com/prometheus/client_golang/prometheus
 github.com/prometheus/client_golang/prometheus/internal
 github.com/prometheus/client_golang/prometheus/promhttp
 # github.com/prometheus/client_model v0.2.0
 github.com/prometheus/client_model/go
-# github.com/prometheus/common v0.18.0
+# github.com/prometheus/common v0.29.0
 github.com/prometheus/common/expfmt
 github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg
 github.com/prometheus/common/model
@@ -426,7 +426,8 @@ github.com/spacemonkeygo/spacelog
 github.com/status-im/doubleratchet
 # github.com/status-im/go-multiaddr-ethv4 v1.2.0
 github.com/status-im/go-multiaddr-ethv4
-# github.com/status-im/go-waku v0.0.0-20210624095504-4133155590da
+# github.com/status-im/go-waku v0.0.0-20210711181138-a2ff7f3df962
+github.com/status-im/go-waku/waku/v2/metrics
 github.com/status-im/go-waku/waku/v2/node
 github.com/status-im/go-waku/waku/v2/protocol
 github.com/status-im/go-waku/waku/v2/protocol/filter
@@ -434,7 +435,8 @@ github.com/status-im/go-waku/waku/v2/protocol/lightpush
 github.com/status-im/go-waku/waku/v2/protocol/pb
 github.com/status-im/go-waku/waku/v2/protocol/relay
 github.com/status-im/go-waku/waku/v2/protocol/store
-# github.com/status-im/go-wakurelay-pubsub v0.4.2
+github.com/status-im/go-waku/waku/v2/utils
+# github.com/status-im/go-wakurelay-pubsub v0.4.3-0.20210711180556-9afd35dadd3f
 github.com/status-im/go-wakurelay-pubsub
 github.com/status-im/go-wakurelay-pubsub/pb
 # github.com/status-im/keycard-go v0.0.0-20200402102358-957c09536969
@@ -521,7 +523,7 @@ github.com/xeipuuv/gojsonpointer
 github.com/xeipuuv/gojsonreference
 # github.com/xeipuuv/gojsonschema v1.2.0
 github.com/xeipuuv/gojsonschema
-# go.opencensus.io v0.22.4
+# go.opencensus.io v0.23.0
 go.opencensus.io/internal/tagencoding
 go.opencensus.io/metric/metricdata
 go.opencensus.io/metric/metricproducer

wakuv2/waku.go

@@ -526,8 +526,7 @@ func (w *Waku) Send(msg *pb.WakuMessage) ([]byte, error) {
 	return w.node.Publish(context.Background(), msg, nil)
 }
 
-func (w *Waku) Query(topics []types.TopicType, from uint64, to uint64, opts []store.HistoryRequestOption) error {
+func (w *Waku) Query(topics []types.TopicType, from uint64, to uint64, opts []store.HistoryRequestOption) (cursor *pb.Index, err error) {
-	// TODO: run into a go routine?
 	strTopics := make([]string, len(topics))
 	for i, t := range topics {
 		strTopics[i] = t.String()
@@ -536,14 +535,18 @@ func (w *Waku) Query(topics []types.TopicType, from uint64, to uint64, opts []st
 	result, err := w.node.Query(context.Background(), strTopics, float64(from), float64(to), opts...)
 
 	for _, msg := range result.Messages {
-		envelope := wakuprotocol.NewEnvelope(msg, string(relay.DefaultWakuTopic)) // TODO: consider modifying go-waku to return envelopes instead of messages
+		envelope := wakuprotocol.NewEnvelope(msg, string(relay.DefaultWakuTopic))
 		_, err = w.OnNewEnvelopes(envelope)
 		if err != nil {
-			return err
+			return nil, err
 		}
 	}
 
-	return err
+	if len(result.Messages) != 0 {
+		cursor = result.PagingInfo.Cursor
+	}
+
+	return
 }
 
 // Start implements node.Service, starting the background data propagation thread