Files
prysm/beacon-chain/sync/pending_blocks_queue_test.go
Preston Van Loon 7cc32c4dda Various code inspection resolutions (#7438)
* remove unused code

* remove defer use in loop

* Remove unused methods and constants

* gofmt and gaz

* nilness check

* remove unused args

* Add TODO for refactoring subscribeWithBase to remove unused arg. It seems too involved to include in this sweeping PR. https://github.com/prysmaticlabs/prysm/issues/7437

* replace empty slice declaration

* Remove unnecessary type conversions

* remove redundant type declaration

* rename receivers to be consistent

* Remove bootnode query tool. It is now obsolete by discv5

* Remove relay node. It is no longer used or supported

* Revert "Remove relay node. It is no longer used or supported"

This reverts commit 4bd7717334.

* Delete unused test directory

* Delete unsupported gcp startup script

* Delete old k8s script

* build fixes

* fix build

* go mod tidy

* revert slasher/db/kv/block_header.go

* fix build

* remove redundant nil check

* combine func args

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
Co-authored-by: Victor Farazdagi <simple.square@gmail.com>
2020-10-12 08:11:05 +00:00

403 lines
14 KiB
Go

package sync
import (
"context"
"math"
"sync"
"testing"
"time"
"github.com/ethereum/go-ethereum/p2p/enr"
"github.com/libp2p/go-libp2p-core/network"
"github.com/libp2p/go-libp2p-core/protocol"
ethpb "github.com/prysmaticlabs/ethereumapis/eth/v1alpha1"
mock "github.com/prysmaticlabs/prysm/beacon-chain/blockchain/testing"
dbtest "github.com/prysmaticlabs/prysm/beacon-chain/db/testing"
"github.com/prysmaticlabs/prysm/beacon-chain/p2p/peers"
p2ptest "github.com/prysmaticlabs/prysm/beacon-chain/p2p/testing"
pb "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
"github.com/prysmaticlabs/prysm/shared/rand"
"github.com/prysmaticlabs/prysm/shared/testutil"
"github.com/prysmaticlabs/prysm/shared/testutil/assert"
"github.com/prysmaticlabs/prysm/shared/testutil/require"
)
// /- b1 - b2
// b0
// \- b3
// Test b1 was missing then received and we can process b0 -> b1 -> b2
func TestRegularSyncBeaconBlockSubscriber_ProcessPendingBlocks1(t *testing.T) {
db, _ := dbtest.SetupDB(t)
p1 := p2ptest.NewTestP2P(t)
r := &Service{
p2p: p1,
db: db,
chain: &mock.ChainService{
FinalizedCheckPoint: &ethpb.Checkpoint{
Epoch: 0,
},
},
slotToPendingBlocks: make(map[uint64][]*ethpb.SignedBeaconBlock),
seenPendingBlocks: make(map[[32]byte]bool),
}
err := r.initCaches()
require.NoError(t, err)
b0 := testutil.NewBeaconBlock()
require.NoError(t, r.db.SaveBlock(context.Background(), b0))
b0Root, err := b0.Block.HashTreeRoot()
require.NoError(t, err)
b3 := testutil.NewBeaconBlock()
b3.Block.Slot = 3
b3.Block.ParentRoot = b0Root[:]
require.NoError(t, r.db.SaveBlock(context.Background(), b3))
// Incomplete block link
b1 := testutil.NewBeaconBlock()
b1.Block.Slot = 1
b1.Block.ParentRoot = b0Root[:]
b1Root, err := b1.Block.HashTreeRoot()
require.NoError(t, err)
b2 := testutil.NewBeaconBlock()
b2.Block.Slot = 2
b2.Block.ParentRoot = b1Root[:]
b2Root, err := b1.Block.HashTreeRoot()
require.NoError(t, err)
// Add b2 to the cache
r.insertBlockToPendingQueue(b2.Block.Slot, b2, b2Root)
require.NoError(t, r.processPendingBlocks(context.Background()))
assert.Equal(t, 1, len(r.slotToPendingBlocks), "Incorrect size for slot to pending blocks cache")
assert.Equal(t, 1, len(r.seenPendingBlocks), "Incorrect size for seen pending block")
// Add b1 to the cache
r.insertBlockToPendingQueue(b1.Block.Slot, b1, b1Root)
require.NoError(t, r.db.SaveBlock(context.Background(), b1))
// Insert bad b1 in the cache to verify the good one doesn't get replaced.
r.insertBlockToPendingQueue(b1.Block.Slot, testutil.NewBeaconBlock(), [32]byte{})
require.NoError(t, r.processPendingBlocks(context.Background()))
assert.Equal(t, 1, len(r.slotToPendingBlocks), "Incorrect size for slot to pending blocks cache")
assert.Equal(t, 2, len(r.seenPendingBlocks), "Incorrect size for seen pending block")
}
func TestRegularSync_InsertDuplicateBlocks(t *testing.T) {
db, _ := dbtest.SetupDB(t)
p1 := p2ptest.NewTestP2P(t)
r := &Service{
p2p: p1,
db: db,
chain: &mock.ChainService{
FinalizedCheckPoint: &ethpb.Checkpoint{
Epoch: 0,
Root: make([]byte, 32),
},
},
slotToPendingBlocks: make(map[uint64][]*ethpb.SignedBeaconBlock),
seenPendingBlocks: make(map[[32]byte]bool),
}
err := r.initCaches()
require.NoError(t, err)
b0 := testutil.NewBeaconBlock()
b0r := [32]byte{'a'}
require.NoError(t, r.db.SaveBlock(context.Background(), b0))
b0Root, err := b0.Block.HashTreeRoot()
require.NoError(t, err)
b1 := testutil.NewBeaconBlock()
b1.Block.Slot = 1
b1.Block.ParentRoot = b0Root[:]
b1r := [32]byte{'b'}
r.insertBlockToPendingQueue(b0.Block.Slot, b0, b0r)
require.Equal(t, 1, len(r.slotToPendingBlocks[b0.Block.Slot]), "Block was not added to map")
r.insertBlockToPendingQueue(b1.Block.Slot, b1, b1r)
require.Equal(t, 1, len(r.slotToPendingBlocks[b1.Block.Slot]), "Block was not added to map")
// Add duplicate block which should not be saved.
r.insertBlockToPendingQueue(b0.Block.Slot, b0, b0r)
require.Equal(t, 1, len(r.slotToPendingBlocks[b0.Block.Slot]), "Block was added to map")
// Add duplicate block which should not be saved.
r.insertBlockToPendingQueue(b1.Block.Slot, b1, b1r)
require.Equal(t, 1, len(r.slotToPendingBlocks[b1.Block.Slot]), "Block was added to map")
}
// /- b1 - b2 - b5
// b0
// \- b3 - b4
// Test b2 and b3 were missed, after receiving them we can process 2 chains.
func TestRegularSyncBeaconBlockSubscriber_ProcessPendingBlocks_2Chains(t *testing.T) {
db, _ := dbtest.SetupDB(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")
pcl := protocol.ID("/eth2/beacon_chain/req/hello/1/ssz_snappy")
var wg sync.WaitGroup
wg.Add(1)
p2.BHost.SetStreamHandler(pcl, func(stream network.Stream) {
defer wg.Done()
code, errMsg, err := ReadStatusCode(stream, p1.Encoding())
assert.NoError(t, err)
if code == 0 {
t.Error("Expected a non-zero code")
}
if errMsg != errWrongForkDigestVersion.Error() {
t.Logf("Received error string len %d, wanted error string len %d", len(errMsg), len(errWrongForkDigestVersion.Error()))
t.Errorf("Received unexpected message response in the stream: %s. Wanted %s.", errMsg, errWrongForkDigestVersion.Error())
}
})
r := &Service{
p2p: p1,
db: db,
chain: &mock.ChainService{
FinalizedCheckPoint: &ethpb.Checkpoint{
Epoch: 0,
Root: make([]byte, 32),
},
},
slotToPendingBlocks: make(map[uint64][]*ethpb.SignedBeaconBlock),
seenPendingBlocks: make(map[[32]byte]bool),
}
err := r.initCaches()
require.NoError(t, err)
p1.Peers().Add(new(enr.Record), p2.PeerID(), nil, network.DirOutbound)
p1.Peers().SetConnectionState(p2.PeerID(), peers.PeerConnected)
p1.Peers().SetChainState(p2.PeerID(), &pb.Status{})
b0 := testutil.NewBeaconBlock()
require.NoError(t, r.db.SaveBlock(context.Background(), b0))
b0Root, err := b0.Block.HashTreeRoot()
require.NoError(t, err)
b1 := testutil.NewBeaconBlock()
b1.Block.Slot = 1
b1.Block.ParentRoot = b0Root[:]
require.NoError(t, r.db.SaveBlock(context.Background(), b1))
b1Root, err := b1.Block.HashTreeRoot()
require.NoError(t, err)
// Incomplete block links
b2 := testutil.NewBeaconBlock()
b2.Block.Slot = 2
b2.Block.ParentRoot = b1Root[:]
b2Root, err := b2.Block.HashTreeRoot()
require.NoError(t, err)
b5 := testutil.NewBeaconBlock()
b5.Block.Slot = 5
b5.Block.ParentRoot = b2Root[:]
b5Root, err := b5.Block.HashTreeRoot()
require.NoError(t, err)
b3 := testutil.NewBeaconBlock()
b3.Block.Slot = 3
b3.Block.ParentRoot = b0Root[:]
b3Root, err := b3.Block.HashTreeRoot()
require.NoError(t, err)
b4 := testutil.NewBeaconBlock()
b4.Block.Slot = 4
b4.Block.ParentRoot = b3Root[:]
b4Root, err := b4.Block.HashTreeRoot()
require.NoError(t, err)
r.insertBlockToPendingQueue(b4.Block.Slot, b4, b4Root)
r.insertBlockToPendingQueue(b5.Block.Slot, b5, b5Root)
require.NoError(t, r.processPendingBlocks(context.Background()))
assert.Equal(t, 2, len(r.slotToPendingBlocks), "Incorrect size for slot to pending blocks cache")
assert.Equal(t, 2, len(r.seenPendingBlocks), "Incorrect size for seen pending block")
// Add b3 to the cache
r.insertBlockToPendingQueue(b3.Block.Slot, b3, b3Root)
require.NoError(t, r.db.SaveBlock(context.Background(), b3))
require.NoError(t, r.processPendingBlocks(context.Background()))
assert.Equal(t, 1, len(r.slotToPendingBlocks), "Incorrect size for slot to pending blocks cache")
assert.Equal(t, 3, len(r.seenPendingBlocks), "Incorrect size for seen pending block")
// Add b2 to the cache
r.insertBlockToPendingQueue(b2.Block.Slot, b2, b2Root)
require.NoError(t, r.db.SaveBlock(context.Background(), b2))
require.NoError(t, r.processPendingBlocks(context.Background()))
assert.Equal(t, 0, len(r.slotToPendingBlocks), "Incorrect size for slot to pending blocks cache")
assert.Equal(t, 4, len(r.seenPendingBlocks), "Incorrect size for seen pending block")
}
func TestRegularSyncBeaconBlockSubscriber_PruneOldPendingBlocks(t *testing.T) {
db, _ := dbtest.SetupDB(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")
r := &Service{
p2p: p1,
db: db,
chain: &mock.ChainService{
FinalizedCheckPoint: &ethpb.Checkpoint{
Epoch: 1,
Root: make([]byte, 32),
},
},
slotToPendingBlocks: make(map[uint64][]*ethpb.SignedBeaconBlock),
seenPendingBlocks: make(map[[32]byte]bool),
}
err := r.initCaches()
require.NoError(t, err)
p1.Peers().Add(new(enr.Record), p1.PeerID(), nil, network.DirOutbound)
p1.Peers().SetConnectionState(p1.PeerID(), peers.PeerConnected)
p1.Peers().SetChainState(p1.PeerID(), &pb.Status{})
b0 := testutil.NewBeaconBlock()
require.NoError(t, r.db.SaveBlock(context.Background(), b0))
b0Root, err := b0.Block.HashTreeRoot()
require.NoError(t, err)
b1 := testutil.NewBeaconBlock()
b1.Block.Slot = 1
b1.Block.ParentRoot = b0Root[:]
require.NoError(t, r.db.SaveBlock(context.Background(), b1))
b1Root, err := b1.Block.HashTreeRoot()
require.NoError(t, err)
// Incomplete block links
b2 := testutil.NewBeaconBlock()
b2.Block.Slot = 2
b2.Block.ParentRoot = b1Root[:]
b2Root, err := b2.Block.HashTreeRoot()
require.NoError(t, err)
b5 := testutil.NewBeaconBlock()
b5.Block.Slot = 5
b5.Block.ParentRoot = b2Root[:]
b5Root, err := b5.Block.HashTreeRoot()
require.NoError(t, err)
b3 := testutil.NewBeaconBlock()
b3.Block.Slot = 3
b3.Block.ParentRoot = b0Root[:]
b3Root, err := b3.Block.HashTreeRoot()
require.NoError(t, err)
b4 := testutil.NewBeaconBlock()
b4.Block.Slot = 4
b4.Block.ParentRoot = b3Root[:]
b4Root, err := b4.Block.HashTreeRoot()
require.NoError(t, err)
r.insertBlockToPendingQueue(b2.Block.Slot, b2, b2Root)
r.insertBlockToPendingQueue(b3.Block.Slot, b3, b3Root)
r.insertBlockToPendingQueue(b4.Block.Slot, b4, b4Root)
r.insertBlockToPendingQueue(b5.Block.Slot, b5, b5Root)
require.NoError(t, r.processPendingBlocks(context.Background()))
assert.Equal(t, 0, len(r.slotToPendingBlocks), "Incorrect size for slot to pending blocks cache")
assert.Equal(t, 4, len(r.seenPendingBlocks), "Incorrect size for seen pending block")
}
func TestService_sortedPendingSlots(t *testing.T) {
r := &Service{
slotToPendingBlocks: make(map[uint64][]*ethpb.SignedBeaconBlock),
seenPendingBlocks: make(map[[32]byte]bool),
}
var lastSlot uint64 = math.MaxUint64
r.insertBlockToPendingQueue(lastSlot, &ethpb.SignedBeaconBlock{}, [32]byte{1})
r.insertBlockToPendingQueue(lastSlot-3, &ethpb.SignedBeaconBlock{}, [32]byte{2})
r.insertBlockToPendingQueue(lastSlot-5, &ethpb.SignedBeaconBlock{}, [32]byte{3})
r.insertBlockToPendingQueue(lastSlot-2, &ethpb.SignedBeaconBlock{}, [32]byte{4})
want := []uint64{lastSlot - 5, lastSlot - 3, lastSlot - 2, lastSlot}
assert.DeepEqual(t, want, r.sortedPendingSlots(), "Unexpected pending slots list")
}
func TestService_BatchRootRequest(t *testing.T) {
db, _ := dbtest.SetupDB(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")
r := &Service{
p2p: p1,
db: db,
chain: &mock.ChainService{
FinalizedCheckPoint: &ethpb.Checkpoint{
Epoch: 1,
Root: make([]byte, 32),
},
},
slotToPendingBlocks: make(map[uint64][]*ethpb.SignedBeaconBlock),
seenPendingBlocks: make(map[[32]byte]bool),
}
err := r.initCaches()
require.NoError(t, err)
p1.Peers().Add(new(enr.Record), p2.PeerID(), nil, network.DirOutbound)
p1.Peers().SetConnectionState(p2.PeerID(), peers.PeerConnected)
p1.Peers().SetChainState(p2.PeerID(), &pb.Status{FinalizedEpoch: 2})
b0 := testutil.NewBeaconBlock()
require.NoError(t, r.db.SaveBlock(context.Background(), b0))
b0Root, err := b0.Block.HashTreeRoot()
require.NoError(t, err)
b1 := testutil.NewBeaconBlock()
b1.Block.Slot = 1
b1.Block.ParentRoot = b0Root[:]
require.NoError(t, r.db.SaveBlock(context.Background(), b1))
b1Root, err := b1.Block.HashTreeRoot()
require.NoError(t, err)
b2 := testutil.NewBeaconBlock()
b2.Block.Slot = 2
b2.Block.ParentRoot = b1Root[:]
b2Root, err := b2.Block.HashTreeRoot()
require.NoError(t, err)
b5 := testutil.NewBeaconBlock()
b5.Block.Slot = 5
b5.Block.ParentRoot = b2Root[:]
b5Root, err := b5.Block.HashTreeRoot()
require.NoError(t, err)
b3 := testutil.NewBeaconBlock()
b3.Block.Slot = 3
b3.Block.ParentRoot = b0Root[:]
b3Root, err := b3.Block.HashTreeRoot()
require.NoError(t, err)
b4 := testutil.NewBeaconBlock()
b4.Block.Slot = 4
b4.Block.ParentRoot = b3Root[:]
b4Root, err := b4.Block.HashTreeRoot()
require.NoError(t, err)
// Send in duplicated roots to also test deduplicaton.
sentRoots := [][32]byte{b2Root, b2Root, b3Root, b3Root, b4Root, b5Root}
expectedRoots := [][32]byte{b2Root, b3Root, b4Root, b5Root}
pcl := protocol.ID("/eth2/beacon_chain/req/beacon_blocks_by_root/1/ssz_snappy")
var wg sync.WaitGroup
wg.Add(1)
p2.BHost.SetStreamHandler(pcl, func(stream network.Stream) {
defer wg.Done()
var out [][32]byte
assert.NoError(t, p2.Encoding().DecodeWithMaxLength(stream, &out))
assert.DeepEqual(t, expectedRoots, out, "Did not receive expected message")
response := []*ethpb.SignedBeaconBlock{b2, b3, b4, b5}
for _, blk := range response {
_, err := stream.Write([]byte{responseCodeSuccess})
assert.NoError(t, err, "Failed to write to stream")
_, err = p2.Encoding().EncodeWithMaxLength(stream, blk)
assert.NoError(t, err, "Could not send response back")
}
assert.NoError(t, stream.Close())
})
require.NoError(t, r.sendBatchRootRequest(context.Background(), sentRoots, rand.NewGenerator()))
if testutil.WaitTimeout(&wg, 1*time.Second) {
t.Fatal("Did not receive stream within 1 sec")
}
assert.Equal(t, 4, len(r.slotToPendingBlocks), "Incorrect size for slot to pending blocks cache")
assert.Equal(t, 4, len(r.seenPendingBlocks), "Incorrect size for seen pending block")
}