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fix(dot/netwok): check for duplicate message earlier #2435

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merged 19 commits into from
Apr 4, 2022
Merged

fix(dot/netwok): check for duplicate message earlier #2435

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47f2d11
Check for duplicate message earlier
kishansagathiya Mar 21, 2022
71c6b70
Merge branch 'development' into kishan/fix/dont-ban-us
kishansagathiya Mar 25, 2022
f724864
Update dot/types/block_data.go
kishansagathiya Mar 25, 2022
25ddeba
Update dot/network/block_announce.go
kishansagathiya Mar 25, 2022
844651a
Update dot/network/message.go
kishansagathiya Mar 25, 2022
b7de7eb
Update dot/network/message_cache.go
kishansagathiya Mar 25, 2022
1eccacb
Update dot/network/message_cache.go
kishansagathiya Mar 25, 2022
495e5dc
Update dot/state/block.go
kishansagathiya Mar 25, 2022
c766bfd
small fixes
kishansagathiya Mar 25, 2022
e8f6806
small fixes
kishansagathiya Mar 25, 2022
f2b81ff
small changes
kishansagathiya Mar 28, 2022
7a0f099
Update dot/network/gossip.go
kishansagathiya Mar 28, 2022
950e476
trying to make go mod same as previous
kishansagathiya Mar 30, 2022
a36d66e
something
kishansagathiya Mar 30, 2022
1a042d8
fixed a test
kishansagathiya Mar 31, 2022
5a5ba2d
Merge branch 'development' into kishan/fix/dont-ban-us
kishansagathiya Mar 31, 2022
1fcfb7f
linked the issue
kishansagathiya Mar 31, 2022
41d1f45
implement Hash function for block announce handshake
kishansagathiya Apr 1, 2022
67ace9e
don't report if we fail to find if a protocol is supported
kishansagathiya Apr 4, 2022
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17 changes: 10 additions & 7 deletions dot/network/block_announce.go
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Original file line number Diff line number Diff line change
Expand Up @@ -69,11 +69,14 @@ func (bm *BlockAnnounceMessage) Decode(in []byte) error {
}

// Hash returns the hash of the BlockAnnounceMessage
func (bm *BlockAnnounceMessage) Hash() common.Hash {
func (bm *BlockAnnounceMessage) Hash() (common.Hash, error) {
// scale encode each extrinsic
encMsg, _ := bm.Encode()
hash, _ := common.Blake2bHash(encMsg)
return hash
encMsg, err := bm.Encode()
if err != nil {
return common.Hash{}, fmt.Errorf("cannot encode message: %w", err)
}

return common.Blake2bHash(encMsg)
}

// IsHandshake returns false
Expand Down Expand Up @@ -145,8 +148,8 @@ func (*BlockAnnounceHandshake) Type() byte {
}

// Hash ...
func (*BlockAnnounceHandshake) Hash() common.Hash {
return common.Hash{}
func (*BlockAnnounceHandshake) Hash() (common.Hash, error) {
return common.Hash{}, nil
}

// IsHandshake returns true
Expand Down Expand Up @@ -174,7 +177,7 @@ func (s *Service) validateBlockAnnounceHandshake(from peer.ID, hs Handshake) err
return errors.New("invalid handshake type")
}

if bhs.GenesisHash != s.blockState.GenesisHash() {
if !bhs.GenesisHash.Equal(s.blockState.GenesisHash()) {
s.host.cm.peerSetHandler.ReportPeer(peerset.ReputationChange{
Value: peerset.GenesisMismatch,
Reason: peerset.GenesisMismatchReason,
Expand Down
17 changes: 11 additions & 6 deletions dot/network/gossip.go
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
package network

import (
"fmt"
"sync"

"github.com/ChainSafe/gossamer/internal/log"
Expand All @@ -25,19 +26,23 @@ func newGossip() *gossip {
}
}

// hasSeen broadcasts messages that have not been seen
func (g *gossip) hasSeen(msg NotificationsMessage) bool {
// check if message has not been seen
msgHash := msg.Hash()
// hasSeen checks if we have seen given message before.
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func (g *gossip) hasSeen(msg NotificationsMessage) (bool, error) {
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nit named returns would be nice

Suggested change
func (g *gossip) hasSeen(msg NotificationsMessage) (bool, error) {
func (g *gossip) hasSeen(msg NotificationsMessage) (seen bool, err error) {

msgHash, err := msg.Hash()
if err != nil {
return false, fmt.Errorf("could not hash notification message: %w", err)
}

g.seenMutex.Lock()
defer g.seenMutex.Unlock()

// check if message has not been seen
_, ok := g.seenMap[msgHash]
if !ok {
// set message to has been seen
g.seenMap[msgHash] = struct{}{}
return false
return false, nil
}

return true
return true, nil
}
9 changes: 6 additions & 3 deletions dot/network/gossip_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -89,12 +89,15 @@ func TestGossip(t *testing.T) {

time.Sleep(TestMessageTimeout)

_, ok := nodeB.gossip.seenMap[announceMessage.Hash()]
hash, err := announceMessage.Hash()
require.NoError(t, err)

_, ok := nodeB.gossip.seenMap[hash]
require.True(t, ok, "node B did not receive block request message from node A")

_, ok = nodeC.gossip.seenMap[announceMessage.Hash()]
_, ok = nodeC.gossip.seenMap[hash]
require.True(t, ok, "node C did not receive block request message from node B")

_, ok = nodeA.gossip.seenMap[announceMessage.Hash()]
_, ok = nodeA.gossip.seenMap[hash]
require.True(t, ok, "node A did not receive block request message from node C")
}
12 changes: 7 additions & 5 deletions dot/network/message.go
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Original file line number Diff line number Diff line change
Expand Up @@ -36,7 +36,7 @@ type Message interface {
type NotificationsMessage interface {
Message
Type() byte
Hash() common.Hash
Hash() (common.Hash, error)
IsHandshake() bool
}

Expand Down Expand Up @@ -389,11 +389,13 @@ func (cm *ConsensusMessage) Decode(in []byte) error {
}

// Hash returns the Hash of ConsensusMessage
func (cm *ConsensusMessage) Hash() common.Hash {
func (cm *ConsensusMessage) Hash() (common.Hash, error) {
// scale encode each extrinsic
encMsg, _ := cm.Encode()
hash, _ := common.Blake2bHash(encMsg)
return hash
encMsg, err := cm.Encode()
if err != nil {
return common.Hash{}, fmt.Errorf("cannot encode message: %w", err)
}
return common.Blake2bHash(encMsg)
}

// IsHandshake returns false
Expand Down
9 changes: 8 additions & 1 deletion dot/network/message_cache.go
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@ package network

import (
"errors"
"fmt"
"time"

"github.com/ChainSafe/gossamer/lib/common"
Expand Down Expand Up @@ -55,6 +56,7 @@ func (m *messageCache) put(peer peer.ID, msg NotificationsMessage) (bool, error)
func (m *messageCache) exists(peer peer.ID, msg NotificationsMessage) bool {
key, err := generateCacheKey(peer, msg)
if err != nil {
logger.Errorf("could not generate cache key: %s", err)
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return false
}

Expand All @@ -67,7 +69,12 @@ func generateCacheKey(peer peer.ID, msg NotificationsMessage) ([]byte, error) {
return nil, errors.New("cache does not support handshake messages")
}

peerMsgHash, err := common.Blake2bHash(append([]byte(peer), msg.Hash().ToBytes()...))
msgHash, err := msg.Hash()
if err != nil {
return nil, fmt.Errorf("cannot hash notification message: %w", err)
}

peerMsgHash, err := common.Blake2bHash(append([]byte(peer), msgHash.ToBytes()...))
if err != nil {
return nil, err
}
Expand Down
36 changes: 23 additions & 13 deletions dot/network/notifications.go
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Original file line number Diff line number Diff line change
Expand Up @@ -136,6 +136,20 @@ func (s *Service) createNotificationsMessageHandler(
return fmt.Errorf("%w: expected %T but got %T", errMessageTypeNotValid, (NotificationsMessage)(nil), msg)
}

hasSeen, err := s.gossip.hasSeen(msg)
if err != nil {
return fmt.Errorf("could not check if message was seen before: %w", err)
}

if hasSeen {
// report peer if we get duplicate gossip message.
s.host.cm.peerSetHandler.ReportPeer(peerset.ReputationChange{
Value: peerset.DuplicateGossipValue,
Reason: peerset.DuplicateGossipReason,
}, peer)
return nil
}

if msg.IsHandshake() {
logger.Tracef("received handshake on notifications sub-protocol %s from peer %s, message is: %s",
info.protocolID, stream.Conn().RemotePeer(), msg)
Expand Down Expand Up @@ -207,16 +221,7 @@ func (s *Service) createNotificationsMessageHandler(
return nil
}

if !s.gossip.hasSeen(msg) {
s.broadcastExcluding(info, peer, msg)
return nil
}

// report peer if we get duplicate gossip message.
s.host.cm.peerSetHandler.ReportPeer(peerset.ReputationChange{
Value: peerset.DuplicateGossipValue,
Reason: peerset.DuplicateGossipReason,
}, peer)
s.broadcastExcluding(info, peer, msg)
return nil
}
}
Expand All @@ -238,7 +243,12 @@ func (s *Service) sendData(peer peer.ID, hs Handshake, info *notificationsProtoc
return
}

if support, err := s.host.supportsProtocol(peer, info.protocolID); err != nil || !support {
support, err := s.host.supportsProtocol(peer, info.protocolID)
if err != nil {
logger.Errorf("could not check if protocol %s is supported by peer %s: %s", info.protocolID, peer, err)
}

if err != nil || !support {
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s.host.cm.peerSetHandler.ReportPeer(peerset.ReputationChange{
Value: peerset.BadProtocolValue,
Reason: peerset.BadProtocolReason,
Expand Down Expand Up @@ -319,7 +329,7 @@ func (s *Service) sendHandshake(peer peer.ID, hs Handshake, info *notificationsP
peer, info.protocolID, hs)
stream, err := s.host.send(peer, info.protocolID, hs)
if err != nil {
logger.Tracef("failed to send message to peer %s: %s", peer, err)
logger.Tracef("failed to send handshake to peer %s: %s", peer, err)
// don't need to close the stream here, as it's nil!
return nil, err
}
Expand All @@ -345,7 +355,7 @@ func (s *Service) sendHandshake(peer peer.ID, hs Handshake, info *notificationsP
}

if hsResponse.err != nil {
logger.Tracef("failed to read handshake from peer %s using protocol %s: %s", peer, info.protocolID, err)
logger.Tracef("failed to read handshake from peer %s using protocol %s: %s", peer, info.protocolID, hsResponse.err)
closeOutboundStream(info, peer, stream)
return nil, hsResponse.err
}
Expand Down
26 changes: 19 additions & 7 deletions dot/network/transaction.go
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Original file line number Diff line number Diff line change
Expand Up @@ -54,10 +54,12 @@ func (tm *TransactionMessage) Decode(in []byte) error {
}

// Hash returns the hash of the TransactionMessage
func (tm *TransactionMessage) Hash() common.Hash {
encMsg, _ := tm.Encode()
hash, _ := common.Blake2bHash(encMsg)
return hash
func (tm *TransactionMessage) Hash() (common.Hash, error) {
encMsg, err := tm.Encode()
if err != nil {
return common.Hash{}, fmt.Errorf("could not encode message: %w", err)
}
return common.Blake2bHash(encMsg)
}

// IsHandshake returns false
Expand Down Expand Up @@ -93,8 +95,8 @@ func (*transactionHandshake) Type() byte {
}

// Hash ...
func (*transactionHandshake) Hash() common.Hash {
return common.Hash{}
func (*transactionHandshake) Hash() (common.Hash, error) {
return common.Hash{}, nil
}

// IsHandshake returns true
Expand Down Expand Up @@ -129,6 +131,7 @@ func (s *Service) startTxnBatchProcessing(txnBatchCh chan *BatchMessage, slotDur
case txnMsg := <-txnBatchCh:
propagate, err := s.handleTransactionMessage(txnMsg.peer, txnMsg.msg)
if err != nil {
logger.Warnf("could not handle transaction message: %s", err)
s.host.closeProtocolStream(protocolID, txnMsg.peer)
continue
}
Expand All @@ -137,7 +140,16 @@ func (s *Service) startTxnBatchProcessing(txnBatchCh chan *BatchMessage, slotDur
continue
}

if !s.gossip.hasSeen(txnMsg.msg) {
// TODO: Check if s.gossip.hasSeen should be moved before handleTransactionMessage.
// That we could avoid handling the transactions again, which we would have already seen.
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hasSeen, err := s.gossip.hasSeen(txnMsg.msg)
if err != nil {
s.host.closeProtocolStream(protocolID, txnMsg.peer)
logger.Debugf("could not check if message was seen before: %s", err)
continue
}
if !hasSeen {
s.broadcastExcluding(s.notificationsProtocols[TransactionMsgType], txnMsg.peer, txnMsg.msg)
}
}
Expand Down
4 changes: 4 additions & 0 deletions dot/peerset/handler.go
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Original file line number Diff line number Diff line change
Expand Up @@ -77,6 +77,10 @@ func (h *Handler) RemovePeer(setID int, peers ...peer.ID) {

// ReportPeer reports ReputationChange according to the peer behaviour.
func (h *Handler) ReportPeer(rep ReputationChange, peers ...peer.ID) {
for _, pid := range peers {
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is there a way to check logging level? so we don't range across peers if package logging level isn't trace or debug.

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@qdm12 qdm12 Apr 1, 2022 •
edited
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We always ever pass a single peer for this method (slightly related comment), so it's fine really.

logger.Debugf("reporting reputation change of %d to peer %s, reason: %s", rep.Value, pid, rep.Reason)
}

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h.actionQueue <- action{
actionCall: reportPeer,
reputation: rep,
Expand Down
10 changes: 5 additions & 5 deletions go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -58,7 +58,7 @@ require (
github.com/btcsuite/btcd v0.22.0-beta // indirect
github.com/cespare/xxhash v1.1.0 // indirect
github.com/cespare/xxhash/v2 v2.1.2 // indirect
github.com/cpuguy83/go-md2man/v2 v2.0.0 // indirect
github.com/cpuguy83/go-md2man/v2 v2.0.1 // indirect
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github.com/davecgh/go-spew v1.1.1 // indirect
github.com/davidlazar/go-crypto v0.0.0-20200604182044-b73af7476f6c // indirect
github.com/deckarep/golang-set v1.8.0 // indirect
Expand Down Expand Up @@ -130,7 +130,7 @@ require (
github.com/libp2p/go-yamux/v2 v2.2.0 // indirect
github.com/libp2p/zeroconf/v2 v2.1.0 // indirect
github.com/marten-seemann/tcp v0.0.0-20210406111302-dfbc87cc63fd // indirect
github.com/mattn/go-colorable v0.1.9 // indirect
github.com/mattn/go-colorable v0.1.12 // indirect
github.com/mattn/go-isatty v0.0.14 // indirect
github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
github.com/miekg/dns v1.1.43 // indirect
Expand Down Expand Up @@ -159,9 +159,8 @@ require (
github.com/prometheus/common v0.32.1 // indirect
github.com/prometheus/procfs v0.7.3 // indirect
github.com/rs/cors v1.7.0 // indirect
github.com/russross/blackfriday/v2 v2.0.1 // indirect
github.com/russross/blackfriday/v2 v2.1.0 // indirect
github.com/shirou/gopsutil v3.21.4-0.20210419000835-c7a38de76ee5+incompatible // indirect
github.com/shurcooL/sanitized_anchor_name v1.0.0 // indirect
github.com/spacemonkeygo/spacelog v0.0.0-20180420211403-2296661a0572 // indirect
github.com/stretchr/objx v0.1.1 // indirect
github.com/tklauser/go-sysconf v0.3.5 // indirect
Expand All @@ -178,8 +177,9 @@ require (
go.uber.org/zap v1.19.0 // indirect
golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2 // indirect
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
golang.org/x/sys v0.0.0-20220114195835-da31bd327af9 // indirect
golang.org/x/sys v0.0.0-20220319134239-a9b59b0215f8 // indirect
golang.org/x/text v0.3.7 // indirect
golang.org/x/tools v0.1.9 // indirect
golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
google.golang.org/appengine v1.6.6 // indirect
gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce // indirect
Expand Down
18 changes: 11 additions & 7 deletions go.sum
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -190,8 +190,8 @@ github.com/cosmos/go-bip39 v1.0.0 h1:pcomnQdrdH22njcAatO0yWojsUnCO3y2tNoV1cb6hHY
github.com/cosmos/go-bip39 v1.0.0/go.mod h1:RNJv0H/pOIVgxw6KS7QeX2a0Uo0aKUlfhZ4xuwvCdJw=
github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
github.com/cpuguy83/go-md2man/v2 v2.0.0 h1:EoUDS0afbrsXAZ9YQ9jdu/mZ2sXgT1/2yyNng4PGlyM=
github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
github.com/cpuguy83/go-md2man/v2 v2.0.1 h1:r/myEWzV9lfsM1tFLgDyu0atFtJ1fXn261LKYj/3DxU=
github.com/cpuguy83/go-md2man/v2 v2.0.1/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
github.com/cyberdelia/templates v0.0.0-20141128023046-ca7fffd4298c/go.mod h1:GyV+0YP4qX0UQ7r2MoYZ+AvYDp12OF5yg4q8rGnyNh4=
Expand Down Expand Up @@ -902,8 +902,9 @@ github.com/mattn/go-colorable v0.1.1/go.mod h1:FuOcm+DKB9mbwrcAfNl7/TZVBZ6rcncea
github.com/mattn/go-colorable v0.1.2/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
github.com/mattn/go-colorable v0.1.7/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
github.com/mattn/go-colorable v0.1.8/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
github.com/mattn/go-colorable v0.1.9 h1:sqDoxXbdeALODt0DAeJCVp38ps9ZogZEAXjus69YV3U=
github.com/mattn/go-colorable v0.1.9/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
github.com/mattn/go-colorable v0.1.12 h1:jF+Du6AlPIjs2BiUiQlKOX0rt3SujHxPnksPKZbaA40=
github.com/mattn/go-colorable v0.1.12/go.mod h1:u5H1YNBxpqRaxsYJYSkiCWKzEfiAb1Gb520KVy5xxl4=
github.com/mattn/go-ieproxy v0.0.0-20190610004146-91bb50d98149/go.mod h1:31jz6HNzdxOmlERGGEc4v/dMssOfmp2p5bT/okiKFFc=
github.com/mattn/go-ieproxy v0.0.0-20190702010315-6dee0af9227d/go.mod h1:31jz6HNzdxOmlERGGEc4v/dMssOfmp2p5bT/okiKFFc=
github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
Expand Down Expand Up @@ -1177,8 +1178,9 @@ github.com/rs/cors v1.7.0 h1:+88SsELBHx5r+hZ8TCkggzSstaWNbDvThkVK8H6f9ik=
github.com/rs/cors v1.7.0/go.mod h1:gFx+x8UowdsKA9AchylcLynDq+nNFfI8FkUZdN/jGCU=
github.com/rs/xhandler v0.0.0-20160618193221-ed27b6fd6521/go.mod h1:RvLn4FgxWubrpZHtQLnOf6EwhN2hEMusxZOhcW9H3UQ=
github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
github.com/russross/blackfriday/v2 v2.0.1 h1:lPqVAte+HuHNfhJ/0LC98ESWRz8afy9tM/0RK8m9o+Q=
github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk=
github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
github.com/ryanuber/columnize v0.0.0-20160712163229-9b3edd62028f/go.mod h1:sm1tb6uqfes/u+d4ooFouqFdy9/2g9QGwK3SQygK0Ts=
github.com/samuel/go-zookeeper v0.0.0-20190923202752-2cc03de413da/go.mod h1:gi+0XIa01GRL2eRQVjQkKGqKF3SF9vZR/HnPullcV2E=
github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529/go.mod h1:DxrIzT+xaE7yg65j358z/aeFdxmN0P9QXhEzd20vsDc=
Expand Down Expand Up @@ -1208,7 +1210,6 @@ github.com/shurcooL/notifications v0.0.0-20181007000457-627ab5aea122/go.mod h1:b
github.com/shurcooL/octicon v0.0.0-20181028054416-fa4f57f9efb2/go.mod h1:eWdoE5JD4R5UVWDucdOPg1g2fqQRq78IQa9zlOV1vpQ=
github.com/shurcooL/reactions v0.0.0-20181006231557-f2e0b4ca5b82/go.mod h1:TCR1lToEk4d2s07G3XGfz2QrgHXg4RJBvjrOozvoWfk=
github.com/shurcooL/sanitized_anchor_name v0.0.0-20170918181015-86672fcb3f95/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
github.com/shurcooL/sanitized_anchor_name v1.0.0 h1:PdmoCO6wvbs+7yrJyMORt4/BmY5IYyJwS/kOiWx8mHo=
github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
github.com/shurcooL/users v0.0.0-20180125191416-49c67e49c537/go.mod h1:QJTqeLYEDaXHZDBsXlPCDqdhQuJkuw4NOtaxYe3xii4=
github.com/shurcooL/webdavfs v0.0.0-20170829043945-18c3829fa133/go.mod h1:hKmq5kWdCj2z2KEozexVbfEZIWiTjhE0+UjmZgPqehw=
Expand Down Expand Up @@ -1594,8 +1595,10 @@ golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBc
golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20210806184541-e5e7981a1069/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20210816183151-1e6c022a8912/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220114195835-da31bd327af9 h1:XfKQ4OlFl8okEOr5UvAqFRVj8pY/4yfcXrddB8qAbU0=
golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220114195835-da31bd327af9/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220319134239-a9b59b0215f8 h1:OH54vjqzRWmbJ62fjuhxy7AxFFgoHN0/DPc/UrL8cAs=
golang.org/x/sys v0.0.0-20220319134239-a9b59b0215f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1 h1:v+OssWQX+hTHEmOBgwxdZxK4zHq3yOs8F9J7mk0PY8E=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
Expand Down Expand Up @@ -1675,8 +1678,9 @@ golang.org/x/tools v0.0.0-20200825202427-b303f430e36d/go.mod h1:njjCfa9FT2d7l9Bc
golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
golang.org/x/tools v0.1.1 h1:wGiQel/hW0NnEkJUk8lbzkX2gFJU6PFxf1v5OlCfuOs=
golang.org/x/tools v0.1.1/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
golang.org/x/tools v0.1.9 h1:j9KsMiaP1c3B0OTQGth0/k+miLGTgLsAFUCrF2vLcF8=
golang.org/x/tools v0.1.9/go.mod h1:nABZi5QlRsZVlzPpHl034qft6wpY4eDcsTt5AaioBiU=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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