prysm-pulse/beacon-chain/sync/rpc_ping_test.go
2020-12-16 08:56:21 -08:00

195 lines
5.6 KiB
Go

package sync
import (
"context"
"sync"
"testing"
"time"
"github.com/ethereum/go-ethereum/p2p/enr"
"github.com/kevinms/leakybucket-go"
"github.com/libp2p/go-libp2p-core/network"
"github.com/libp2p/go-libp2p-core/protocol"
db "github.com/prysmaticlabs/prysm/beacon-chain/db/testing"
p2ptest "github.com/prysmaticlabs/prysm/beacon-chain/p2p/testing"
p2ptypes "github.com/prysmaticlabs/prysm/beacon-chain/p2p/types"
pb "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
"github.com/prysmaticlabs/prysm/shared/testutil"
"github.com/prysmaticlabs/prysm/shared/testutil/assert"
"github.com/prysmaticlabs/prysm/shared/testutil/require"
)
func TestPingRPCHandler_ReceivesPing(t *testing.T) {
p1 := p2ptest.NewTestP2P(t)
p2 := p2ptest.NewTestP2P(t)
p1.Connect(p2)
assert.Equal(t, 1, len(p1.BHost.Network().Peers()), "Expected peers to be connected")
p1.LocalMetadata = &pb.MetaData{
SeqNumber: 2,
Attnets: []byte{'A', 'B'},
}
p2.LocalMetadata = &pb.MetaData{
SeqNumber: 2,
Attnets: []byte{'C', 'D'},
}
// Set up a head state in the database with data we expect.
d := db.SetupDB(t)
r := &Service{
db: d,
p2p: p1,
rateLimiter: newRateLimiter(p1),
}
p1.Peers().Add(new(enr.Record), p2.BHost.ID(), p2.BHost.Addrs()[0], network.DirUnknown)
p1.Peers().SetMetadata(p2.BHost.ID(), p2.LocalMetadata)
// Setup streams
pcl := protocol.ID("/testing")
topic := string(pcl)
r.rateLimiter.limiterMap[topic] = leakybucket.NewCollector(1, 1, false)
var wg sync.WaitGroup
wg.Add(1)
p2.BHost.SetStreamHandler(pcl, func(stream network.Stream) {
defer wg.Done()
expectSuccess(t, stream)
out := new(p2ptypes.SSZUint64)
assert.NoError(t, r.p2p.Encoding().DecodeWithMaxLength(stream, out))
assert.Equal(t, uint64(2), uint64(*out))
})
stream1, err := p1.BHost.NewStream(context.Background(), p2.BHost.ID(), pcl)
require.NoError(t, err)
seqNumber := p2ptypes.SSZUint64(2)
assert.NoError(t, r.pingHandler(context.Background(), &seqNumber, stream1))
if testutil.WaitTimeout(&wg, 1*time.Second) {
t.Fatal("Did not receive stream within 1 sec")
}
conns := p1.BHost.Network().ConnsToPeer(p2.BHost.ID())
if len(conns) == 0 {
t.Error("Peer is disconnected despite receiving a valid ping")
}
}
func TestPingRPCHandler_SendsPing(t *testing.T) {
p1 := p2ptest.NewTestP2P(t)
p2 := p2ptest.NewTestP2P(t)
p1.Connect(p2)
assert.Equal(t, 1, len(p1.BHost.Network().Peers()), "Expected peers to be connected")
p1.LocalMetadata = &pb.MetaData{
SeqNumber: 2,
Attnets: []byte{'A', 'B'},
}
p2.LocalMetadata = &pb.MetaData{
SeqNumber: 2,
Attnets: []byte{'C', 'D'},
}
// Set up a head state in the database with data we expect.
d := db.SetupDB(t)
r := &Service{
db: d,
p2p: p1,
rateLimiter: newRateLimiter(p1),
}
p1.Peers().Add(new(enr.Record), p2.BHost.ID(), p2.BHost.Addrs()[0], network.DirUnknown)
p1.Peers().SetMetadata(p2.BHost.ID(), p2.LocalMetadata)
p2.Peers().Add(new(enr.Record), p1.BHost.ID(), p1.BHost.Addrs()[0], network.DirUnknown)
p2.Peers().SetMetadata(p1.BHost.ID(), p1.LocalMetadata)
r2 := &Service{
db: d,
p2p: p2,
rateLimiter: newRateLimiter(p2),
}
// Setup streams
pcl := protocol.ID("/eth2/beacon_chain/req/ping/1/ssz_snappy")
topic := string(pcl)
r.rateLimiter.limiterMap[topic] = leakybucket.NewCollector(1, 1, false)
var wg sync.WaitGroup
wg.Add(1)
p2.BHost.SetStreamHandler(pcl, func(stream network.Stream) {
defer wg.Done()
out := new(p2ptypes.SSZUint64)
assert.NoError(t, r2.p2p.Encoding().DecodeWithMaxLength(stream, out))
assert.Equal(t, uint64(2), uint64(*out))
assert.NoError(t, r2.pingHandler(context.Background(), out, stream))
})
assert.NoError(t, r.sendPingRequest(context.Background(), p2.BHost.ID()))
if testutil.WaitTimeout(&wg, 1*time.Second) {
t.Fatal("Did not receive stream within 1 sec")
}
conns := p1.BHost.Network().ConnsToPeer(p2.BHost.ID())
if len(conns) == 0 {
t.Error("Peer is disconnected despite receiving a valid ping")
}
}
func TestPingRPCHandler_BadSequenceNumber(t *testing.T) {
p1 := p2ptest.NewTestP2P(t)
p2 := p2ptest.NewTestP2P(t)
p1.Connect(p2)
assert.Equal(t, 1, len(p1.BHost.Network().Peers()), "Expected peers to be connected")
p1.LocalMetadata = &pb.MetaData{
SeqNumber: 2,
Attnets: []byte{'A', 'B'},
}
p2.LocalMetadata = &pb.MetaData{
SeqNumber: 2,
Attnets: []byte{'C', 'D'},
}
// Set up a head state in the database with data we expect.
d := db.SetupDB(t)
r := &Service{
db: d,
p2p: p1,
rateLimiter: newRateLimiter(p1),
}
badMetadata := &pb.MetaData{
SeqNumber: 3,
Attnets: []byte{'E', 'F'},
}
p1.Peers().Add(new(enr.Record), p2.BHost.ID(), p2.BHost.Addrs()[0], network.DirUnknown)
p1.Peers().SetMetadata(p2.BHost.ID(), badMetadata)
// Setup streams
pcl := protocol.ID("/testing")
topic := string(pcl)
r.rateLimiter.limiterMap[topic] = leakybucket.NewCollector(1, 1, false)
var wg sync.WaitGroup
wg.Add(1)
p2.BHost.SetStreamHandler(pcl, func(stream network.Stream) {
defer wg.Done()
expectFailure(t, responseCodeInvalidRequest, p2ptypes.ErrInvalidSequenceNum.Error(), stream)
})
stream1, err := p1.BHost.NewStream(context.Background(), p2.BHost.ID(), pcl)
require.NoError(t, err)
wantedSeq := p2ptypes.SSZUint64(p2.LocalMetadata.SeqNumber)
err = r.pingHandler(context.Background(), &wantedSeq, stream1)
assert.ErrorContains(t, p2ptypes.ErrInvalidSequenceNum.Error(), err)
if testutil.WaitTimeout(&wg, 1*time.Second) {
t.Fatal("Did not receive stream within 1 sec")
}
res, err := p1.Peers().Scorers().BadResponsesScorer().Count(p2.BHost.ID())
assert.NoError(t, err)
assert.Equal(t, 1, res, "Peer wasn't penalised for providing a bad sequence number")
}