Yggdrasil+QUIC demo, federation sender tweaks (#1177)

* Initial QUIC work

* Update Yggdrasil demo

* Make sure that the federation sender knows how many pending events are in the database when the worker starts

* QUIC tunables

* pprof

* Don't spin

* Set build info for Yggdrasil

build/gobind/build.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 
 gomobile bind -v \
-    -ldflags "-X $github.com/yggdrasil-network/yggdrasil-go/src/version.buildName=riot-ios-p2p" \
+    -ldflags "-X github.com/yggdrasil-network/yggdrasil-go/src/version.buildName=dendrite" \
     -target ios \
     github.com/matrix-org/dendrite/build/gobind

cmd/dendrite-demo-yggdrasil/main.go

@@ -31,6 +31,7 @@ import (
 	"github.com/matrix-org/dendrite/eduserver"
 	"github.com/matrix-org/dendrite/eduserver/cache"
 	"github.com/matrix-org/dendrite/federationsender"
+	"github.com/matrix-org/dendrite/internal"
 	"github.com/matrix-org/dendrite/internal/config"
 	"github.com/matrix-org/dendrite/internal/httputil"
 	"github.com/matrix-org/dendrite/internal/setup"
@@ -50,6 +51,7 @@ var (
 // nolint:gocyclo
 func main() {
 	flag.Parse()
+	internal.SetupPprof()
 
 	ygg, err := yggconn.Setup(*instanceName, *instancePeer, ".")
 	if err != nil {

cmd/dendrite-demo-yggdrasil/yggconn/node.go

@@ -17,6 +17,7 @@ package yggconn
 import (
 	"context"
 	"crypto/ed25519"
+	"crypto/tls"
 	"encoding/hex"
 	"encoding/json"
 	"fmt"
@@ -26,10 +27,11 @@ import (
 	"os"
 	"strings"
 	"sync"
+	"time"
 
+	"github.com/lucas-clemente/quic-go"
 	"github.com/matrix-org/dendrite/cmd/dendrite-demo-yggdrasil/convert"
 
-	"github.com/libp2p/go-yamux"
 	yggdrasiladmin "github.com/yggdrasil-network/yggdrasil-go/src/admin"
 	yggdrasilconfig "github.com/yggdrasil-network/yggdrasil-go/src/config"
 	yggdrasilmulticast "github.com/yggdrasil-network/yggdrasil-go/src/multicast"
@@ -45,10 +47,20 @@ type Node struct {
 	admin      *yggdrasiladmin.AdminSocket
 	multicast  *yggdrasilmulticast.Multicast
 	log        *gologme.Logger
-	listener  *yggdrasil.Listener
+	packetConn *yggdrasil.PacketConn
-	dialer    *yggdrasil.Dialer
+	listener   quic.Listener
-	sessions  sync.Map // string -> yamux.Session
+	tlsConfig  *tls.Config
-	incoming  chan *yamux.Stream
+	quicConfig *quic.Config
+	sessions   sync.Map // string -> quic.Session
+	incoming   chan QUICStream
+}
+
+func (n *Node) BuildName() string {
+	return "dendrite"
+}
+
+func (n *Node) BuildVersion() string {
+	return "dev"
 }
 
 func (n *Node) Dialer(_, address string) (net.Conn, error) {
@@ -74,8 +86,9 @@ func Setup(instanceName, instancePeer, storageDirectory string) (*Node, error) {
 		admin:     &yggdrasiladmin.AdminSocket{},
 		multicast: &yggdrasilmulticast.Multicast{},
 		log:       gologme.New(os.Stdout, "YGG ", log.Flags()),
-		incoming:  make(chan *yamux.Stream),
+		incoming:  make(chan QUICStream),
 	}
+	n.core.SetBuildInfo(n)
 
 	yggfile := fmt.Sprintf("%s/%s-yggdrasil.conf", storageDirectory, instanceName)
 	if _, err := os.Stat(yggfile); !os.IsNotExist(err) {
@@ -114,29 +127,21 @@ func Setup(instanceName, instancePeer, storageDirectory string) (*Node, error) {
 			panic(err)
 		}
 	}
-	/*
-		if err = n.admin.Init(n.core, n.state, n.log, nil); err != nil {
-			panic(err)
-		}
-		if err = n.admin.Start(); err != nil {
-			panic(err)
-		}
-	*/
 	if err = n.multicast.Init(n.core, n.state, n.log, nil); err != nil {
 		panic(err)
 	}
 	if err = n.multicast.Start(); err != nil {
 		panic(err)
 	}
-	//n.admin.SetupAdminHandlers(n.admin)
+
-	//n.multicast.SetupAdminHandlers(n.admin)
+	n.packetConn = n.core.PacketConn()
-	n.listener, err = n.core.ConnListen()
+	n.tlsConfig = n.generateTLSConfig()
-	if err != nil {
+	n.quicConfig = &quic.Config{
-		panic(err)
+		MaxIncomingStreams:    0,
-	}
+		MaxIncomingUniStreams: 0,
-	n.dialer, err = n.core.ConnDialer()
+		KeepAlive:             true,
-	if err != nil {
+		MaxIdleTimeout:        time.Second * 120,
-		panic(err)
+		HandshakeTimeout:      time.Second * 30,
 	}
 
 	n.log.Println("Public curve25519:", n.core.EncryptionPublicKey())

cmd/dendrite-demo-yggdrasil/yggconn/session.go

@@ -16,60 +16,52 @@ package yggconn
 
 import (
 	"context"
+	"crypto/rand"
+	"crypto/rsa"
+	"crypto/tls"
+	"crypto/x509"
+	"encoding/hex"
+	"encoding/pem"
+	"errors"
+	"math/big"
 	"net"
-	"strings"
 	"time"
 
-	"github.com/libp2p/go-yamux"
+	"github.com/lucas-clemente/quic-go"
+	"github.com/yggdrasil-network/yggdrasil-go/src/crypto"
 )
 
-func (n *Node) yamuxConfig() *yamux.Config {
+func (n *Node) listenFromYgg() {
-	cfg := yamux.DefaultConfig()
+	var err error
-	cfg.EnableKeepAlive = false
+	n.listener, err = quic.Listen(
-	cfg.ConnectionWriteTimeout = time.Second * 15
+		n.packetConn, // yggdrasil.PacketConn
-	cfg.MaxMessageSize = 65535
+		n.tlsConfig,  // TLS config
-	cfg.ReadBufSize = 655350
+		n.quicConfig, // QUIC config
-	return cfg
+	)
+	if err != nil {
+		panic(err)
 	}
 
-func (n *Node) listenFromYgg() {
 	for {
-		conn, err := n.listener.Accept()
+		session, err := n.listener.Accept(context.TODO())
 		if err != nil {
 			n.log.Println("n.listener.Accept:", err)
 			return
 		}
-		var session *yamux.Session
+		go n.listenFromQUIC(session)
-		// If the remote address is lower than ours then we'll be the
-		// server. Otherwse we'll be the client.
-		if strings.Compare(conn.RemoteAddr().String(), n.DerivedSessionName()) < 0 {
-			session, err = yamux.Server(conn, n.yamuxConfig())
-		} else {
-			session, err = yamux.Client(conn, n.yamuxConfig())
-		}
-		if err != nil {
-			return
-		}
-		go n.listenFromYggConn(session)
 	}
 }
 
-func (n *Node) listenFromYggConn(session *yamux.Session) {
+func (n *Node) listenFromQUIC(session quic.Session) {
 	n.sessions.Store(session.RemoteAddr().String(), session)
 	defer n.sessions.Delete(session.RemoteAddr())
-	defer func() {
-		if err := session.Close(); err != nil {
-			n.log.Println("session.Close:", err)
-		}
-	}()
-
 	for {
-		st, err := session.AcceptStream()
+		st, err := session.AcceptStream(context.TODO())
 		if err != nil {
 			n.log.Println("session.AcceptStream:", err)
 			return
 		}
-		n.incoming <- st
+		n.incoming <- QUICStream{st, session}
 	}
 }
 
@@ -96,29 +88,63 @@ func (n *Node) Dial(network, address string) (net.Conn, error) {
 // Implements http.Transport.DialContext
 func (n *Node) DialContext(ctx context.Context, network, address string) (net.Conn, error) {
 	s, ok1 := n.sessions.Load(address)
-	session, ok2 := s.(*yamux.Session)
+	session, ok2 := s.(quic.Session)
-	if !ok1 || !ok2 || (ok1 && ok2 && session.IsClosed()) {
+	if !ok1 || !ok2 || (ok1 && ok2 && session.ConnectionState().HandshakeComplete) {
-		conn, err := n.dialer.DialContext(ctx, network, address)
+		dest, err := hex.DecodeString(address)
+		if err != nil {
+			return nil, err
+		}
+		if len(dest) != crypto.BoxPubKeyLen {
+			return nil, errors.New("invalid key length supplied")
+		}
+		var pubKey crypto.BoxPubKey
+		copy(pubKey[:], dest)
+
+		session, err = quic.Dial(
+			n.packetConn, // yggdrasil.PacketConn
+			&pubKey,      // dial address
+			address,      // dial SNI
+			n.tlsConfig,  // TLS config
+			n.quicConfig, // QUIC config
+		)
 		if err != nil {
 			n.log.Println("n.dialer.DialContext:", err)
 			return nil, err
 		}
-		// If the remote address is lower than ours then we will be the
+		go n.listenFromQUIC(session)
-		// server. Otherwise we'll be the client.
-		if strings.Compare(conn.RemoteAddr().String(), n.DerivedSessionName()) < 0 {
-			session, err = yamux.Server(conn, n.yamuxConfig())
-		} else {
-			session, err = yamux.Client(conn, n.yamuxConfig())
-		}
-		if err != nil {
-			return nil, err
-		}
-		go n.listenFromYggConn(session)
 	}
 	st, err := session.OpenStream()
 	if err != nil {
 		n.log.Println("session.OpenStream:", err)
 		return nil, err
 	}
-	return st, nil
+	return QUICStream{st, session}, nil
+}
+
+func (n *Node) generateTLSConfig() *tls.Config {
+	key, err := rsa.GenerateKey(rand.Reader, 1024)
+	if err != nil {
+		panic(err)
+	}
+	template := x509.Certificate{
+		SerialNumber: big.NewInt(1),
+		NotAfter:     time.Now().Add(time.Hour * 24 * 365),
+		DNSNames:     []string{n.DerivedSessionName()},
+	}
+	certDER, err := x509.CreateCertificate(rand.Reader, &template, &template, &key.PublicKey, key)
+	if err != nil {
+		panic(err)
+	}
+	keyPEM := pem.EncodeToMemory(&pem.Block{Type: "RSA PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(key)})
+	certPEM := pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: certDER})
+
+	tlsCert, err := tls.X509KeyPair(certPEM, keyPEM)
+	if err != nil {
+		panic(err)
+	}
+	return &tls.Config{
+		Certificates:       []tls.Certificate{tlsCert},
+		NextProtos:         []string{"quic-matrix-ygg"},
+		InsecureSkipVerify: true,
+	}
 }

cmd/dendrite-demo-yggdrasil/yggconn/stream.go

@@ -0,0 +1,20 @@
+package yggconn
+
+import (
+	"net"
+
+	"github.com/lucas-clemente/quic-go"
+)
+
+type QUICStream struct {
+	quic.Stream
+	session quic.Session
+}
+
+func (s QUICStream) LocalAddr() net.Addr {
+	return s.session.LocalAddr()
+}
+
+func (s QUICStream) RemoteAddr() net.Addr {
+	return s.session.RemoteAddr()
+}

federationsender/queue/destinationqueue.go

@@ -52,7 +52,7 @@ type destinationQueue struct {
 	transactionIDMutex sync.Mutex                              // protects transactionID
 	transactionID      gomatrixserverlib.TransactionID         // last transaction ID
 	transactionCount   atomic.Int32                            // how many events in this transaction so far
-	pendingPDUs        atomic.Int32                            // how many PDUs are waiting to be sent
+	pendingPDUs        atomic.Int64                            // how many PDUs are waiting to be sent
 	pendingEDUs        []*gomatrixserverlib.EDU                // owned by backgroundSend
 	pendingInvites     []*gomatrixserverlib.InviteV2Request    // owned by backgroundSend
 	wakeServerCh       chan bool                               // interrupts idle wait
@@ -91,6 +91,7 @@ func (oq *destinationQueue) sendEvent(nid int64) {
 		// If the destination is blacklisted then drop the event.
 		return
 	}
+	oq.wakeQueueIfNeeded()
 	// Create a transaction ID. We'll either do this if we don't have
 	// one made up yet, or if we've exceeded the number of maximum
 	// events allowed in a single tranaction. We'll reset the counter
@@ -117,10 +118,6 @@ func (oq *destinationQueue) sendEvent(nid int64) {
 	// We've successfully added a PDU to the transaction so increase
 	// the counter.
 	oq.transactionCount.Add(1)
-	// If the queue isn't running at this point then start it.
-	if !oq.running.Load() {
-		go oq.backgroundSend()
-	}
 	// Signal that we've sent a new PDU. This will cause the queue to
 	// wake up if it's asleep. The return to the Add function will only
 	// be 1 if the previous value was 0, e.g. nothing was waiting before.
@@ -137,9 +134,7 @@ func (oq *destinationQueue) sendEDU(ev *gomatrixserverlib.EDU) {
 		// If the destination is blacklisted then drop the event.
 		return
 	}
-	if !oq.running.Load() {
+	oq.wakeQueueIfNeeded()
-		go oq.backgroundSend()
-	}
 	oq.incomingEDUs <- ev
 }
 
@@ -151,10 +146,30 @@ func (oq *destinationQueue) sendInvite(ev *gomatrixserverlib.InviteV2Request) {
 		// If the destination is blacklisted then drop the event.
 		return
 	}
+	oq.wakeQueueIfNeeded()
+	oq.incomingInvites <- ev
+}
+
+func (oq *destinationQueue) wakeQueueIfNeeded() {
 	if !oq.running.Load() {
+		// Look up how many events are pending in this queue. We need
+		// to do this so that the queue thinks it has work to do.
+		count, err := oq.db.GetPendingPDUCount(
+			context.TODO(),
+			oq.destination,
+		)
+		if err == nil {
+			oq.pendingPDUs.Store(count)
+			log.Printf("Destination queue %q has %d pending PDUs", oq.destination, count)
+		} else {
+			log.WithError(err).Errorf("Can't get pending PDU count for %q destination queue", oq.destination)
+		}
+		if count > 0 {
+			oq.wakeServerCh <- true
+		}
+		// Then start the queue.
 		go oq.backgroundSend()
 	}
-	oq.incomingInvites <- ev
 }
 
 // backgroundSend is the worker goroutine for sending events.
@@ -170,7 +185,6 @@ func (oq *destinationQueue) backgroundSend() {
 	for {
 		// If we have nothing to do then wait either for incoming events, or
 		// until we hit an idle timeout.
-		if oq.pendingPDUs.Load() == 0 && len(oq.pendingEDUs) == 0 && len(oq.pendingInvites) == 0 {
 		select {
 		case <-oq.wakeServerCh:
 			// We were woken up because there are new PDUs waiting in the
@@ -210,7 +224,6 @@ func (oq *destinationQueue) backgroundSend() {
 			// send.
 			return
 		}
-		}
 
 		// If we are backing off this server then wait for the
 		// backoff duration to complete first, or until explicitly
@@ -317,8 +330,10 @@ func (oq *destinationQueue) nextTransaction(
 	// Ask the database for any pending PDUs from the next transaction.
 	// maxPDUsPerTransaction is an upper limit but we probably won't
 	// actually retrieve that many events.
+	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
+	defer cancel()
 	txid, pdus, err := oq.db.GetNextTransactionPDUs(
-		context.TODO(),        // context
+		ctx,                   // context
 		oq.destination,        // server name
 		maxPDUsPerTransaction, // max events to retrieve
 	)
@@ -366,7 +381,7 @@ func (oq *destinationQueue) nextTransaction(
 	case nil:
 		// No error was returned so the transaction looks to have
 		// been successfully sent.
-		oq.pendingPDUs.Sub(int32(len(t.PDUs)))
+		oq.pendingPDUs.Sub(int64(len(t.PDUs)))
 		// Clean up the transaction in the database.
 		if err = oq.db.CleanTransactionPDUs(
 			context.TODO(),

federationsender/storage/interface.go

@@ -30,4 +30,5 @@ type Database interface {
 	AssociatePDUWithDestination(ctx context.Context, transactionID gomatrixserverlib.TransactionID, serverName gomatrixserverlib.ServerName, nids []int64) error
 	GetNextTransactionPDUs(ctx context.Context, serverName gomatrixserverlib.ServerName, limit int) (gomatrixserverlib.TransactionID, []*gomatrixserverlib.HeaderedEvent, error)
 	CleanTransactionPDUs(ctx context.Context, serverName gomatrixserverlib.ServerName, transactionID gomatrixserverlib.TransactionID) error
+	GetPendingPDUCount(ctx context.Context, serverName gomatrixserverlib.ServerName) (int64, error)
 }

federationsender/storage/postgres/queue_pdus_table.go

@@ -59,12 +59,17 @@ const selectQueueReferenceJSONCountSQL = "" +
 	"SELECT COUNT(*) FROM federationsender_queue_pdus" +
 	" WHERE json_nid = $1"
 
+const selectQueuePDUsCountSQL = "" +
+	"SELECT COUNT(*) FROM federationsender_queue_pdus" +
+	" WHERE server_name = $1"
+
 type queuePDUsStatements struct {
 	insertQueuePDUStmt                *sql.Stmt
 	deleteQueueTransactionPDUsStmt    *sql.Stmt
 	selectQueueNextTransactionIDStmt  *sql.Stmt
 	selectQueuePDUsByTransactionStmt  *sql.Stmt
 	selectQueueReferenceJSONCountStmt *sql.Stmt
+	selectQueuePDUsCountStmt          *sql.Stmt
 }
 
 func (s *queuePDUsStatements) prepare(db *sql.DB) (err error) {
@@ -87,6 +92,9 @@ func (s *queuePDUsStatements) prepare(db *sql.DB) (err error) {
 	if s.selectQueueReferenceJSONCountStmt, err = db.Prepare(selectQueueReferenceJSONCountSQL); err != nil {
 		return
 	}
+	if s.selectQueuePDUsCountStmt, err = db.Prepare(selectQueuePDUsCountSQL); err != nil {
+		return
+	}
 	return
 }
 
@@ -144,6 +152,21 @@ func (s *queuePDUsStatements) selectQueueReferenceJSONCount(
 	return count, err
 }
 
+func (s *queuePDUsStatements) selectQueuePDUCount(
+	ctx context.Context, txn *sql.Tx, serverName gomatrixserverlib.ServerName,
+) (int64, error) {
+	var count int64
+	stmt := sqlutil.TxStmt(txn, s.selectQueuePDUsCountStmt)
+	err := stmt.QueryRowContext(ctx, serverName).Scan(&count)
+	if err == sql.ErrNoRows {
+		// It's acceptable for there to be no rows referencing a given
+		// JSON NID but it's not an error condition. Just return as if
+		// there's a zero count.
+		return 0, nil
+	}
+	return count, err
+}
+
 func (s *queuePDUsStatements) selectQueuePDUs(
 	ctx context.Context, txn *sql.Tx,
 	serverName gomatrixserverlib.ServerName,

federationsender/storage/postgres/storage.go

@@ -255,3 +255,12 @@ func (d *Database) CleanTransactionPDUs(
 		return nil
 	})
 }
+
+// GetPendingPDUCount returns the number of PDUs waiting to be
+// sent for a given servername.
+func (d *Database) GetPendingPDUCount(
+	ctx context.Context,
+	serverName gomatrixserverlib.ServerName,
+) (int64, error) {
+	return d.selectQueuePDUCount(ctx, nil, serverName)
+}

federationsender/storage/sqlite3/queue_pdus_table.go

@@ -60,12 +60,17 @@ const selectQueueReferenceJSONCountSQL = "" +
 	"SELECT COUNT(*) FROM federationsender_queue_pdus" +
 	" WHERE json_nid = $1"
 
+const selectQueuePDUsCountSQL = "" +
+	"SELECT COUNT(*) FROM federationsender_queue_pdus" +
+	" WHERE server_name = $1"
+
 type queuePDUsStatements struct {
 	insertQueuePDUStmt                *sql.Stmt
 	deleteQueueTransactionPDUsStmt    *sql.Stmt
 	selectQueueNextTransactionIDStmt  *sql.Stmt
 	selectQueuePDUsByTransactionStmt  *sql.Stmt
 	selectQueueReferenceJSONCountStmt *sql.Stmt
+	selectQueuePDUsCountStmt          *sql.Stmt
 }
 
 func (s *queuePDUsStatements) prepare(db *sql.DB) (err error) {
@@ -88,6 +93,9 @@ func (s *queuePDUsStatements) prepare(db *sql.DB) (err error) {
 	if s.selectQueueReferenceJSONCountStmt, err = db.Prepare(selectQueueReferenceJSONCountSQL); err != nil {
 		return
 	}
+	if s.selectQueuePDUsCountStmt, err = db.Prepare(selectQueuePDUsCountSQL); err != nil {
+		return
+	}
 	return
 }
 
@@ -142,6 +150,21 @@ func (s *queuePDUsStatements) selectQueueReferenceJSONCount(
 	return count, err
 }
 
+func (s *queuePDUsStatements) selectQueuePDUCount(
+	ctx context.Context, txn *sql.Tx, serverName gomatrixserverlib.ServerName,
+) (int64, error) {
+	var count int64
+	stmt := sqlutil.TxStmt(txn, s.selectQueuePDUsCountStmt)
+	err := stmt.QueryRowContext(ctx, serverName).Scan(&count)
+	if err == sql.ErrNoRows {
+		// It's acceptable for there to be no rows referencing a given
+		// JSON NID but it's not an error condition. Just return as if
+		// there's a zero count.
+		return 0, nil
+	}
+	return count, err
+}
+
 func (s *queuePDUsStatements) selectQueuePDUs(
 	ctx context.Context, txn *sql.Tx,
 	serverName gomatrixserverlib.ServerName,

federationsender/storage/sqlite3/storage.go

@@ -261,3 +261,12 @@ func (d *Database) CleanTransactionPDUs(
 		return nil
 	})
 }
+
+// GetPendingPDUCount returns the number of PDUs waiting to be
+// sent for a given servername.
+func (d *Database) GetPendingPDUCount(
+	ctx context.Context,
+	serverName gomatrixserverlib.ServerName,
+) (int64, error) {
+	return d.selectQueuePDUCount(ctx, nil, serverName)
+}

go.mod

@@ -17,7 +17,8 @@ require (
 	github.com/libp2p/go-libp2p-kad-dht v0.5.0
 	github.com/libp2p/go-libp2p-pubsub v0.2.5
 	github.com/libp2p/go-libp2p-record v0.1.2
-	github.com/libp2p/go-yamux v1.3.7
+	github.com/libp2p/go-yamux v1.3.7 // indirect
+	github.com/lucas-clemente/quic-go v0.17.2
 	github.com/matrix-org/dugong v0.0.0-20171220115018-ea0a4690a0d5
 	github.com/matrix-org/go-http-js-libp2p v0.0.0-20200518170932-783164aeeda4
 	github.com/matrix-org/go-sqlite3-js v0.0.0-20200522092705-bc8506ccbcf3
@@ -37,9 +38,9 @@ require (
 	github.com/uber-go/atomic v1.3.0 // indirect
 	github.com/uber/jaeger-client-go v2.15.0+incompatible
 	github.com/uber/jaeger-lib v1.5.0
-	github.com/yggdrasil-network/yggdrasil-go v0.3.15-0.20200530233943-aec82d7a391b
+	github.com/yggdrasil-network/yggdrasil-go v0.3.15-0.20200702163833-11ecfa688d93
 	go.uber.org/atomic v1.4.0
-	golang.org/x/crypto v0.0.0-20200221231518-2aa609cf4a9d
+	golang.org/x/crypto v0.0.0-20200423211502-4bdfaf469ed5
 	gopkg.in/h2non/bimg.v1 v1.0.18
 	gopkg.in/yaml.v2 v2.2.8
 )

go.sum

@@ -1,4 +1,12 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
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+cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.37.0/go.mod h1:TS1dMSSfndXH133OKGwekG838Om/cQT0BUHV3HcBgoo=
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+git.apache.org/thrift.git v0.0.0-20180902110319-2566ecd5d999/go.mod h1:fPE2ZNJGynbRyZ4dJvy6G277gSllfV2HJqblrnkyeyg=
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@@ -17,11 +25,13 @@ github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuy
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@@ -35,8 +45,11 @@ github.com/btcsuite/goleveldb v0.0.0-20160330041536-7834afc9e8cd/go.mod h1:F+uVa
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@@ -46,6 +59,7 @@ github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8Nz
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@@ -71,14 +85,20 @@ github.com/eapache/go-xerial-snappy v0.0.0-20180814174437-776d5712da21/go.mod h1
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@@ -92,18 +112,29 @@ github.com/gogo/protobuf v1.3.1/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXP
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@@ -111,13 +142,22 @@ github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw
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@@ -189,12 +229,14 @@ github.com/jbenet/goprocess v0.1.3 h1:YKyIEECS/XvcfHtBzxtjBBbWK+MbvA6dG8ASiqwvr1
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@@ -546,6 +622,7 @@ github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UV
 github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
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 github.com/tidwall/match v1.0.1 h1:PnKP62LPNxHKTwvHHZZzdOAOCtsJTjo6dZLCwpKm5xc=
@@ -562,6 +639,8 @@ github.com/uber/jaeger-client-go v2.15.0+incompatible/go.mod h1:WVhlPFC8FDjOFMMW
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@@ -581,8 +660,9 @@ github.com/xdg/scram v0.0.0-20180814205039-7eeb5667e42c/go.mod h1:lB8K/P019DLNhe
 github.com/xdg/stringprep v1.0.0/go.mod h1:Jhud4/sHMO4oL310DaZAKk9ZaJ08SJfe+sJh0HrGL1Y=
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@@ -594,14 +674,18 @@ go.uber.org/multierr v1.1.0 h1:HoEmRHQPVSqub6w2z2d2EOVs2fjyFRGyofhKuyDq0QI=
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@@ -612,7 +696,10 @@ golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8U
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@@ -620,10 +707,15 @@ golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73r
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@@ -635,6 +727,10 @@ golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLL
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+golang.org/x/oauth2 v0.0.0-20181017192945-9dcd33a902f4/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
+golang.org/x/oauth2 v0.0.0-20181203162652-d668ce993890/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
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@@ -647,12 +743,14 @@ golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5h
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@@ -673,19 +771,26 @@ golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -693,14 +798,32 @@ golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8T
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@@ -716,6 +839,7 @@ gopkg.in/h2non/bimg.v1 v1.0.18 h1:qn6/RpBHt+7WQqoBcK+aF2puc6nC78eZj5LexxoalT4=
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@@ -740,5 +864,12 @@ gopkg.in/yaml.v2 v2.2.5 h1:ymVxjfMaHvXD8RqPRmzHHsB3VvucivSkIAvJFDI5O3c=
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