prysm-pulse/beacon-chain/sync/pending_blocks_queue_test.go
Nishant Das 664349e553
Account for Bad Blocks in Gossip (#6726)
* add bad block cache

* terence's review

* terence's review

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2020-07-27 19:57:19 +08:00

245 lines
9.4 KiB
Go

package sync
import (
"context"
"math"
"sync"
"testing"
"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"
"github.com/prysmaticlabs/go-ssz"
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"
"github.com/prysmaticlabs/prysm/beacon-chain/state/stateutil"
pb "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
"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 := &ethpb.SignedBeaconBlock{Block: &ethpb.BeaconBlock{}}
require.NoError(t, r.db.SaveBlock(context.Background(), b0))
b0Root, err := stateutil.BlockRoot(b0.Block)
require.NoError(t, err)
b3 := &ethpb.SignedBeaconBlock{Block: &ethpb.BeaconBlock{Slot: 3, ParentRoot: b0Root[:]}}
require.NoError(t, r.db.SaveBlock(context.Background(), b3))
// Incomplete block link
b1 := &ethpb.SignedBeaconBlock{Block: &ethpb.BeaconBlock{Slot: 1, ParentRoot: b0Root[:]}}
b1Root, err := stateutil.BlockRoot(b1.Block)
require.NoError(t, err)
b2 := &ethpb.SignedBeaconBlock{Block: &ethpb.BeaconBlock{Slot: 2, ParentRoot: b1Root[:]}}
b2Root, err := stateutil.BlockRoot(b1.Block)
require.NoError(t, err)
// Add b2 to the cache
r.slotToPendingBlocks[b2.Block.Slot] = b2
r.seenPendingBlocks[b2Root] = true
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.slotToPendingBlocks[b1.Block.Slot] = b1
r.seenPendingBlocks[b1Root] = true
require.NoError(t, r.db.SaveBlock(context.Background(), b1))
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, 0, len(r.seenPendingBlocks), "Incorrect size for seen pending block")
}
// /- b1 - b2 - b5
// b0
// \- b3 - b4
// Test b2 and b3 were missed, after receiving them we can process 2 chains.
func TestRegularSyncBeaconBlockSubscriber_ProcessPendingBlocks2(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,
},
},
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 := &ethpb.SignedBeaconBlock{Block: &ethpb.BeaconBlock{}}
require.NoError(t, r.db.SaveBlock(context.Background(), b0))
b0Root, err := stateutil.BlockRoot(b0.Block)
require.NoError(t, err)
b1 := &ethpb.SignedBeaconBlock{Block: &ethpb.BeaconBlock{Slot: 1, ParentRoot: b0Root[:]}}
require.NoError(t, r.db.SaveBlock(context.Background(), b1))
b1Root, err := stateutil.BlockRoot(b1.Block)
require.NoError(t, err)
// Incomplete block links
b2 := &ethpb.BeaconBlock{Slot: 2, ParentRoot: b1Root[:]}
b2Root, err := ssz.HashTreeRoot(b2)
require.NoError(t, err)
b5 := &ethpb.BeaconBlock{Slot: 5, ParentRoot: b2Root[:]}
b5Root, err := ssz.HashTreeRoot(b5)
require.NoError(t, err)
b3 := &ethpb.BeaconBlock{Slot: 3, ParentRoot: b0Root[:]}
b3Root, err := ssz.HashTreeRoot(b3)
require.NoError(t, err)
b4 := &ethpb.BeaconBlock{Slot: 4, ParentRoot: b3Root[:]}
b4Root, err := ssz.HashTreeRoot(b4)
require.NoError(t, err)
r.slotToPendingBlocks[b4.Slot] = &ethpb.SignedBeaconBlock{Block: b4}
r.seenPendingBlocks[b4Root] = true
r.slotToPendingBlocks[b5.Slot] = &ethpb.SignedBeaconBlock{Block: b5}
r.seenPendingBlocks[b5Root] = true
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.slotToPendingBlocks[b3.Slot] = &ethpb.SignedBeaconBlock{Block: b3}
r.seenPendingBlocks[b3Root] = true
require.NoError(t, r.db.SaveBlock(context.Background(), &ethpb.SignedBeaconBlock{Block: 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, 1, len(r.seenPendingBlocks), "Incorrect size for seen pending block")
// Add b2 to the cache
r.slotToPendingBlocks[b2.Slot] = &ethpb.SignedBeaconBlock{Block: b2}
r.seenPendingBlocks[b2Root] = true
require.NoError(t, r.db.SaveBlock(context.Background(), &ethpb.SignedBeaconBlock{Block: 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, 0, 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,
},
},
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 := &ethpb.SignedBeaconBlock{Block: &ethpb.BeaconBlock{}}
require.NoError(t, r.db.SaveBlock(context.Background(), b0))
b0Root, err := stateutil.BlockRoot(b0.Block)
require.NoError(t, err)
b1 := &ethpb.SignedBeaconBlock{Block: &ethpb.BeaconBlock{Slot: 1, ParentRoot: b0Root[:]}}
require.NoError(t, r.db.SaveBlock(context.Background(), b1))
b1Root, err := stateutil.BlockRoot(b1.Block)
require.NoError(t, err)
// Incomplete block links
b2 := &ethpb.BeaconBlock{Slot: 2, ParentRoot: b1Root[:]}
b2Root, err := ssz.HashTreeRoot(b2)
require.NoError(t, err)
b5 := &ethpb.BeaconBlock{Slot: 5, ParentRoot: b2Root[:]}
b5Root, err := ssz.HashTreeRoot(b5)
require.NoError(t, err)
b3 := &ethpb.BeaconBlock{Slot: 3, ParentRoot: b0Root[:]}
b3Root, err := ssz.HashTreeRoot(b3)
require.NoError(t, err)
b4 := &ethpb.BeaconBlock{Slot: 4, ParentRoot: b3Root[:]}
b4Root, err := ssz.HashTreeRoot(b4)
require.NoError(t, err)
r.slotToPendingBlocks[b2.Slot] = &ethpb.SignedBeaconBlock{Block: b2}
r.seenPendingBlocks[b2Root] = true
r.slotToPendingBlocks[b3.Slot] = &ethpb.SignedBeaconBlock{Block: b3}
r.seenPendingBlocks[b3Root] = true
r.slotToPendingBlocks[b4.Slot] = &ethpb.SignedBeaconBlock{Block: b4}
r.seenPendingBlocks[b4Root] = true
r.slotToPendingBlocks[b5.Slot] = &ethpb.SignedBeaconBlock{Block: b5}
r.seenPendingBlocks[b5Root] = true
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, 0, len(r.seenPendingBlocks), "Incorrect size for seen pending block")
}
func TestService_sortedPendingSlots(t *testing.T) {
r := &Service{
slotToPendingBlocks: make(map[uint64]*ethpb.SignedBeaconBlock),
}
var lastSlot uint64 = math.MaxUint64
r.slotToPendingBlocks[lastSlot] = &ethpb.SignedBeaconBlock{}
r.slotToPendingBlocks[lastSlot-3] = &ethpb.SignedBeaconBlock{}
r.slotToPendingBlocks[lastSlot-5] = &ethpb.SignedBeaconBlock{}
r.slotToPendingBlocks[lastSlot-2] = &ethpb.SignedBeaconBlock{}
want := []uint64{lastSlot - 5, lastSlot - 3, lastSlot - 2, lastSlot}
assert.DeepEqual(t, want, r.sortedPendingSlots(), "Unexpected pending slots list")
}