Update Pinecone demo

build/gobind-pinecone/build.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+gomobile bind -v \
+    -target ios \
+    github.com/matrix-org/dendrite/build/gobind-pinecone

build/gobind-pinecone/monolith.go

@@ -0,0 +1,279 @@
+package gobind
+
+import (
+	"context"
+	"crypto/ed25519"
+	"crypto/tls"
+	"encoding/hex"
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"net"
+	"net/http"
+	"os"
+	"time"
+
+	"github.com/gorilla/mux"
+	"github.com/hjson/hjson-go"
+	"github.com/matrix-org/dendrite/appservice"
+	"github.com/matrix-org/dendrite/cmd/dendrite-demo-pinecone/conn"
+	"github.com/matrix-org/dendrite/cmd/dendrite-demo-yggdrasil/signing"
+	"github.com/matrix-org/dendrite/eduserver"
+	"github.com/matrix-org/dendrite/eduserver/cache"
+	"github.com/matrix-org/dendrite/federationsender"
+	"github.com/matrix-org/dendrite/federationsender/api"
+	"github.com/matrix-org/dendrite/internal/config"
+	"github.com/matrix-org/dendrite/internal/httputil"
+	"github.com/matrix-org/dendrite/internal/setup"
+	"github.com/matrix-org/dendrite/keyserver"
+	"github.com/matrix-org/dendrite/roomserver"
+	"github.com/matrix-org/dendrite/userapi"
+	"github.com/matrix-org/gomatrixserverlib"
+	"github.com/sirupsen/logrus"
+
+	pineconeMulticast "github.com/matrix-org/pinecone/multicast"
+	pineconeSwitch "github.com/matrix-org/pinecone/packetswitch"
+	pineconeRouter "github.com/matrix-org/pinecone/router"
+	pineconeSessions "github.com/matrix-org/pinecone/sessions"
+	yggdrasilConfig "github.com/yggdrasil-network/yggdrasil-go/src/config"
+)
+
+type DendriteMonolith struct {
+	logger            logrus.Logger
+	config            *yggdrasilConfig.NodeConfig
+	PineconeSwitch    *pineconeSwitch.Switch
+	PineconeRouter    *pineconeRouter.Router
+	PineconeMulticast *pineconeMulticast.Multicast
+	PineconeQUIC      *pineconeSessions.QUIC
+	StorageDirectory  string
+	listener          net.Listener
+	httpServer        *http.Server
+}
+
+func (m *DendriteMonolith) BaseURL() string {
+	return fmt.Sprintf("http://%s", m.listener.Addr().String())
+}
+
+func (m *DendriteMonolith) PeerCount() int {
+	return m.PineconeSwitch.PeerCount()
+}
+
+func (m *DendriteMonolith) SessionCount() int {
+	return len(m.PineconeQUIC.Sessions())
+}
+
+func (m *DendriteMonolith) SetMulticastEnabled(enabled bool) {
+	// TODO
+}
+
+func (m *DendriteMonolith) SetStaticPeer(uri string) error {
+	parent, err := net.Dial("tcp", uri)
+	if err != nil {
+		logrus.WithError(err).Errorf("Failed to connect to Pinecone static peer")
+		return err
+	}
+
+	if _, err := m.PineconeSwitch.Connect(parent); err != nil {
+		logrus.WithError(err).Errorf("Failed to connect Pinecone static peer to switch")
+		return err
+	}
+
+	return nil
+}
+
+func (m *DendriteMonolith) DisconnectNonMulticastPeers() {
+	// TODO
+}
+
+func (m *DendriteMonolith) DisconnectMulticastPeers() {
+	// TODO
+}
+
+func (m *DendriteMonolith) Start() {
+	m.config = yggdrasilConfig.GenerateConfig()
+	// If we already have an Yggdrasil config file from the Ygg
+	// demo then we'll just reuse the ed25519 keys from that.
+	var sk ed25519.PrivateKey
+	var pk ed25519.PublicKey
+	yggfile := fmt.Sprintf("%s/dendrite-yggdrasil.conf", m.StorageDirectory)
+	if _, err := os.Stat(yggfile); !os.IsNotExist(err) {
+		yggconf, e := ioutil.ReadFile(yggfile)
+		if e != nil {
+			panic(err)
+		}
+		mapconf := map[string]interface{}{}
+		if err = hjson.Unmarshal([]byte(yggconf), &mapconf); err != nil {
+			panic(err)
+		}
+		if mapconf["SigningPrivateKey"] != nil && mapconf["SigningPublicKey"] != nil {
+			if sk, err = hex.DecodeString(mapconf["SigningPrivateKey"].(string)); err != nil {
+				panic(err)
+			}
+			if pk, err = hex.DecodeString(mapconf["SigningPublicKey"].(string)); err != nil {
+				panic(err)
+			}
+		} else {
+			panic("should have private and public signing keys")
+		}
+	} else {
+		if pk, sk, err = ed25519.GenerateKey(nil); err != nil {
+			panic(err)
+		}
+		m.config.SigningPrivateKey = hex.EncodeToString(sk)
+		m.config.SigningPublicKey = hex.EncodeToString(pk)
+		yggconf, err := json.Marshal(m.config)
+		if err != nil {
+			panic(err)
+		}
+		if err := ioutil.WriteFile(yggfile, yggconf, 0644); err != nil {
+			panic(err)
+		}
+	}
+
+	var err error
+	m.listener, err = net.Listen("tcp", "localhost:65432")
+	if err != nil {
+		panic(err)
+	}
+
+	m.logger = logrus.Logger{
+		Out: BindLogger{},
+	}
+	m.logger.SetOutput(BindLogger{})
+	logrus.SetOutput(BindLogger{})
+
+	logger := log.New(os.Stdout, "", 0)
+
+	rL, rR := net.Pipe()
+	m.PineconeSwitch = pineconeSwitch.NewSwitch(logger, sk, pk, false)
+	m.PineconeRouter = pineconeRouter.NewRouter(logger, sk, pk, rL, "router", nil)
+	if _, err := m.PineconeSwitch.Connect(rR); err != nil {
+		panic(err)
+	}
+
+	m.PineconeQUIC = pineconeSessions.NewQUIC(logger, m.PineconeRouter)
+	m.PineconeMulticast = pineconeMulticast.NewMulticast(logger, m.PineconeSwitch)
+
+	cfg := &config.Dendrite{}
+	cfg.Defaults()
+	cfg.Global.ServerName = gomatrixserverlib.ServerName(m.config.SigningPublicKey)
+	cfg.Global.PrivateKey = sk
+	cfg.Global.KeyID = gomatrixserverlib.KeyID(signing.KeyID)
+	cfg.Global.Kafka.UseNaffka = true
+	cfg.Global.Kafka.Database.ConnectionString = config.DataSource(fmt.Sprintf("file:%s/dendrite-p2p-naffka.db", m.StorageDirectory))
+	cfg.UserAPI.AccountDatabase.ConnectionString = config.DataSource(fmt.Sprintf("file:%s/dendrite-p2p-account.db", m.StorageDirectory))
+	cfg.UserAPI.DeviceDatabase.ConnectionString = config.DataSource(fmt.Sprintf("file:%s/dendrite-p2p-device.db", m.StorageDirectory))
+	cfg.MediaAPI.Database.ConnectionString = config.DataSource(fmt.Sprintf("file:%s/dendrite-p2p-mediaapi.db", m.StorageDirectory))
+	cfg.SyncAPI.Database.ConnectionString = config.DataSource(fmt.Sprintf("file:%s/dendrite-p2p-syncapi.db", m.StorageDirectory))
+	cfg.RoomServer.Database.ConnectionString = config.DataSource(fmt.Sprintf("file:%s/dendrite-p2p-roomserver.db", m.StorageDirectory))
+	cfg.SigningKeyServer.Database.ConnectionString = config.DataSource(fmt.Sprintf("file:%s/dendrite-p2p-signingkeyserver.db", m.StorageDirectory))
+	cfg.KeyServer.Database.ConnectionString = config.DataSource(fmt.Sprintf("file:%s/dendrite-p2p-keyserver.db", m.StorageDirectory))
+	cfg.FederationSender.Database.ConnectionString = config.DataSource(fmt.Sprintf("file:%s/dendrite-p2p-federationsender.db", m.StorageDirectory))
+	cfg.AppServiceAPI.Database.ConnectionString = config.DataSource(fmt.Sprintf("file:%s/dendrite-p2p-appservice.db", m.StorageDirectory))
+	cfg.MediaAPI.BasePath = config.Path(fmt.Sprintf("%s/tmp", m.StorageDirectory))
+	cfg.MediaAPI.AbsBasePath = config.Path(fmt.Sprintf("%s/tmp", m.StorageDirectory))
+	if err := cfg.Derive(); err != nil {
+		panic(err)
+	}
+
+	base := setup.NewBaseDendrite(cfg, "Monolith", false)
+	defer base.Close() // nolint: errcheck
+
+	accountDB := base.CreateAccountsDB()
+	federation := conn.CreateFederationClient(base, m.PineconeQUIC)
+
+	serverKeyAPI := &signing.YggdrasilKeys{}
+	keyRing := serverKeyAPI.KeyRing()
+	keyAPI := keyserver.NewInternalAPI(&base.Cfg.KeyServer, federation)
+	userAPI := userapi.NewInternalAPI(accountDB, &cfg.UserAPI, cfg.Derived.ApplicationServices, keyAPI)
+	keyAPI.SetUserAPI(userAPI)
+
+	rsAPI := roomserver.NewInternalAPI(
+		base, keyRing,
+	)
+
+	eduInputAPI := eduserver.NewInternalAPI(
+		base, cache.New(), userAPI,
+	)
+
+	asAPI := appservice.NewInternalAPI(base, userAPI, rsAPI)
+	fsAPI := federationsender.NewInternalAPI(
+		base, federation, rsAPI, keyRing,
+	)
+
+	// The underlying roomserver implementation needs to be able to call the fedsender.
+	// This is different to rsAPI which can be the http client which doesn't need this dependency
+	rsAPI.SetFederationSenderAPI(fsAPI)
+
+	monolith := setup.Monolith{
+		Config:    base.Cfg,
+		AccountDB: accountDB,
+		Client:    conn.CreateClient(base, m.PineconeQUIC),
+		FedClient: federation,
+		KeyRing:   keyRing,
+
+		AppserviceAPI:          asAPI,
+		EDUInternalAPI:         eduInputAPI,
+		FederationSenderAPI:    fsAPI,
+		RoomserverAPI:          rsAPI,
+		UserAPI:                userAPI,
+		KeyAPI:                 keyAPI,
+		ExtPublicRoomsProvider: nil,
+	}
+	monolith.AddAllPublicRoutes(
+		base.PublicClientAPIMux,
+		base.PublicFederationAPIMux,
+		base.PublicKeyAPIMux,
+		base.PublicMediaAPIMux,
+	)
+
+	httpRouter := mux.NewRouter().SkipClean(true).UseEncodedPath()
+	httpRouter.PathPrefix(httputil.InternalPathPrefix).Handler(base.InternalAPIMux)
+	httpRouter.PathPrefix(httputil.PublicClientPathPrefix).Handler(base.PublicClientAPIMux)
+	httpRouter.PathPrefix(httputil.PublicMediaPathPrefix).Handler(base.PublicMediaAPIMux)
+
+	pMux := mux.NewRouter().SkipClean(true).UseEncodedPath()
+	pMux.PathPrefix(httputil.PublicFederationPathPrefix).Handler(base.PublicFederationAPIMux)
+	pMux.PathPrefix(httputil.PublicMediaPathPrefix).Handler(base.PublicMediaAPIMux)
+
+	m.PineconeQUIC.Mux().Handle(httputil.PublicFederationPathPrefix, pMux)
+	m.PineconeQUIC.Mux().Handle(httputil.PublicMediaPathPrefix, pMux)
+
+	// Build both ends of a HTTP multiplex.
+	m.httpServer = &http.Server{
+		Addr:         ":0",
+		TLSNextProto: map[string]func(*http.Server, *tls.Conn, http.Handler){},
+		ReadTimeout:  10 * time.Second,
+		WriteTimeout: 10 * time.Second,
+		IdleTimeout:  30 * time.Second,
+		BaseContext: func(_ net.Listener) context.Context {
+			return context.Background()
+		},
+		Handler: pMux,
+	}
+
+	go func() {
+		m.logger.Info("Listening on ", cfg.Global.ServerName)
+		m.logger.Fatal(m.httpServer.Serve(m.PineconeQUIC))
+	}()
+	go func() {
+		logrus.Info("Listening on ", m.listener.Addr())
+		logrus.Fatal(http.Serve(m.listener, httpRouter))
+	}()
+	go func() {
+		logrus.Info("Sending wake-up message to known nodes")
+		req := &api.PerformBroadcastEDURequest{}
+		res := &api.PerformBroadcastEDUResponse{}
+		if err := fsAPI.PerformBroadcastEDU(context.TODO(), req, res); err != nil {
+			logrus.WithError(err).Error("Failed to send wake-up message to known nodes")
+		}
+	}()
+}
+
+func (m *DendriteMonolith) Suspend() {
+	m.logger.Info("Suspending monolith")
+	if err := m.httpServer.Close(); err != nil {
+		m.logger.Warn("Error stopping HTTP server:", err)
+	}
+}

build/gobind-yggdrasil/build.sh

@@ -3,4 +3,4 @@
 gomobile bind -v \
     -ldflags "-X github.com/yggdrasil-network/yggdrasil-go/src/version.buildName=dendrite" \
     -target ios \
-    github.com/matrix-org/dendrite/build/gobind
+    github.com/matrix-org/dendrite/build/gobind-yggdrasil

build/gobind-yggdrasil/platform_ios.go

@@ -0,0 +1,25 @@
+// +build ios
+
+package gobind
+
+/*
+#cgo CFLAGS: -x objective-c
+#cgo LDFLAGS: -framework Foundation
+#import <Foundation/Foundation.h>
+void Log(const char *text) {
+  NSString *nss = [NSString stringWithUTF8String:text];
+  NSLog(@"%@", nss);
+}
+*/
+import "C"
+import "unsafe"
+
+type BindLogger struct {
+}
+
+func (nsl BindLogger) Write(p []byte) (n int, err error) {
+	p = append(p, 0)
+	cstr := (*C.char)(unsafe.Pointer(&p[0]))
+	C.Log(cstr)
+	return len(p), nil
+}

build/gobind-yggdrasil/platform_other.go

@@ -0,0 +1,12 @@
+// +build !ios
+
+package gobind
+
+import "log"
+
+type BindLogger struct{}
+
+func (nsl BindLogger) Write(p []byte) (n int, err error) {
+	log.Println(string(p))
+	return len(p), nil
+}

cmd/dendrite-demo-pinecone/conn/client.go

@@ -26,7 +26,7 @@ func CreateClient(
 	tr.RegisterProtocol(
 		"matrix", &RoundTripper{
 			inner: &http.Transport{
-				MaxIdleConnsPerHost:   1,
+				MaxIdleConnsPerHost:   -1,
 				DisableKeepAlives:     true,
 				TLSHandshakeTimeout:   10 * time.Second,
 				ResponseHeaderTimeout: 10 * time.Second,
@@ -48,7 +48,7 @@ func CreateFederationClient(
 	tr.RegisterProtocol(
 		"matrix", &RoundTripper{
 			inner: &http.Transport{
-				MaxIdleConnsPerHost:   1,
+				MaxIdleConnsPerHost:   -1,
 				DisableKeepAlives:     true,
 				TLSHandshakeTimeout:   10 * time.Second,
 				ResponseHeaderTimeout: 10 * time.Second,

cmd/dendrite-demo-pinecone/main.go

@@ -32,7 +32,7 @@ import (
 	"github.com/matrix-org/dendrite/appservice"
 	"github.com/matrix-org/dendrite/cmd/dendrite-demo-pinecone/conn"
 	"github.com/matrix-org/dendrite/cmd/dendrite-demo-pinecone/embed"
-	"github.com/matrix-org/dendrite/cmd/dendrite-demo-pinecone/signing"
+	"github.com/matrix-org/dendrite/cmd/dendrite-demo-yggdrasil/signing"
 	"github.com/matrix-org/dendrite/eduserver"
 	"github.com/matrix-org/dendrite/eduserver/cache"
 	"github.com/matrix-org/dendrite/federationsender"
@@ -138,7 +138,7 @@ func main() {
 	accountDB := base.CreateAccountsDB()
 	federation := conn.CreateFederationClient(base, pQUIC)
 
-	serverKeyAPI := &signing.PineconeKeys{}
+	serverKeyAPI := &signing.YggdrasilKeys{}
 	keyRing := serverKeyAPI.KeyRing()
 
 	keyAPI := keyserver.NewInternalAPI(&base.Cfg.KeyServer, federation)

cmd/dendrite-demo-pinecone/signing/fetcher.go

@@ -1,69 +0,0 @@
-// Copyright 2020 The Matrix.org Foundation C.I.C.
-//
-// 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.
-
-package signing
-
-import (
-	"context"
-	"encoding/hex"
-	"fmt"
-	"time"
-
-	"github.com/matrix-org/gomatrixserverlib"
-)
-
-const KeyID = "ed25519:dendrite-demo-pinecone"
-
-type PineconeKeys struct {
-}
-
-func (f *PineconeKeys) KeyRing() *gomatrixserverlib.KeyRing {
-	return &gomatrixserverlib.KeyRing{
-		KeyDatabase: f,
-	}
-}
-
-func (f *PineconeKeys) FetchKeys(
-	ctx context.Context,
-	requests map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.Timestamp,
-) (map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult, error) {
-	res := make(map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult)
-	for req := range requests {
-		if req.KeyID != KeyID {
-			return nil, fmt.Errorf("FetchKeys: cannot fetch key with ID %s, should be %s", req.KeyID, KeyID)
-		}
-
-		hexkey, err := hex.DecodeString(string(req.ServerName))
-		if err != nil {
-			return nil, fmt.Errorf("FetchKeys: can't decode server name %q: %w", req.ServerName, err)
-		}
-
-		res[req] = gomatrixserverlib.PublicKeyLookupResult{
-			VerifyKey: gomatrixserverlib.VerifyKey{
-				Key: hexkey,
-			},
-			ExpiredTS:    gomatrixserverlib.PublicKeyNotExpired,
-			ValidUntilTS: gomatrixserverlib.AsTimestamp(time.Now().Add(24 * time.Hour * 365)),
-		}
-	}
-	return res, nil
-}
-
-func (f *PineconeKeys) FetcherName() string {
-	return "PineconeKeys"
-}
-
-func (f *PineconeKeys) StoreKeys(ctx context.Context, results map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult) error {
-	return nil
-}

go.mod

@@ -9,6 +9,7 @@ require (
 	github.com/gologme/log v1.2.0
 	github.com/gorilla/mux v1.8.0
 	github.com/hashicorp/golang-lru v0.5.4
+	github.com/hjson/hjson-go v3.0.2-0.20200316202735-d5d0e8b0617d+incompatible
 	github.com/konsorten/go-windows-terminal-sequences v1.0.3 // indirect
 	github.com/lib/pq v1.8.0
 	github.com/libp2p/go-libp2p v0.11.0
@@ -44,6 +45,7 @@ require (
 	github.com/yggdrasil-network/yggdrasil-go v0.3.15-0.20201006093556-760d9a7fd5ee
 	go.uber.org/atomic v1.7.0
 	golang.org/x/crypto v0.0.0-20201117144127-c1f2f97bffc9
+	golang.org/x/mobile v0.0.0-20200801112145-973feb4309de // indirect
 	golang.org/x/net v0.0.0-20201110031124-69a78807bb2b
 	gopkg.in/h2non/bimg.v1 v1.1.4
 	gopkg.in/yaml.v2 v2.3.0

go.sum

@@ -13,6 +13,7 @@ github.com/Arceliar/phony v0.0.0-20191006174943-d0c68492aca0 h1:p3puK8Sl2xK+2Fnn
 github.com/Arceliar/phony v0.0.0-20191006174943-d0c68492aca0/go.mod h1:6Lkn+/zJilRMsKmbmG1RPoamiArC6HS73xbwRyp3UyI=
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/DATA-DOG/go-sqlmock v1.5.0 h1:Shsta01QNfFxHCfpW6YH2STWB0MudeXXEWMr20OEh60=
 github.com/DATA-DOG/go-sqlmock v1.5.0/go.mod h1:f/Ixk793poVmq4qj/V1dPUg2JEAKC73Q5eFN3EC/SaM=
 github.com/Kubuxu/go-os-helper v0.0.1/go.mod h1:N8B+I7vPCT80IcP58r50u4+gEEcsZETFUpAzWW2ep1Y=
@@ -212,6 +213,7 @@ github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ
 github.com/hashicorp/golang-lru v0.5.4 h1:YDjusn29QI/Das2iO9M0BHnIbxPeyuCHsjMW+lJfyTc=
 github.com/hashicorp/golang-lru v0.5.4/go.mod h1:iADmTwqILo4mZ8BN3D2Q6+9jd8WM5uGBxy+E8yxSoD4=
 github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
+github.com/hjson/hjson-go v3.0.2-0.20200316202735-d5d0e8b0617d+incompatible h1:v6BPcb9q9U6JDVsuizxBr/piVB/2Y1Q5GWoBybvZVWI=
 github.com/hjson/hjson-go v3.0.2-0.20200316202735-d5d0e8b0617d+incompatible/go.mod h1:qsetwF8NlsTsOTwZTApNlTCerV+b2GjYRRcIk4JMFio=
 github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
@@ -937,14 +939,22 @@ golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a/go.mod h1:LzIPMQfyMNhhGPh
 golang.org/x/crypto v0.0.0-20201117144127-c1f2f97bffc9 h1:phUcVbl53swtrUN8kQEXFhUxPlIlWyBfKmidCu7P95o=
 golang.org/x/crypto v0.0.0-20201117144127-c1f2f97bffc9/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
+golang.org/x/exp v0.0.0-20190731235908-ec7cb31e5a56/go.mod h1:JhuoJpWY28nO4Vef9tZUw9qufEGTyX1+7lmHxV5q5G4=
+golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
+golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
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