prysm-pulse/beacon-chain/blockchain/head_test.go
terence tsao 9e712e4598
Add justified block insertion to forkchoice when missed (#7520)
* Add justified block insertion to fork choice when missed

* Add regression test
2020-10-13 18:26:43 +00:00

157 lines
6.2 KiB
Go

package blockchain
import (
"bytes"
"context"
"testing"
ethpb "github.com/prysmaticlabs/ethereumapis/eth/v1alpha1"
testDB "github.com/prysmaticlabs/prysm/beacon-chain/db/testing"
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"
logTest "github.com/sirupsen/logrus/hooks/test"
)
func TestSaveHead_Same(t *testing.T) {
db, sc := testDB.SetupDB(t)
service := setupBeaconChain(t, db, sc)
r := [32]byte{'A'}
service.head = &head{slot: 0, root: r}
require.NoError(t, service.saveHead(context.Background(), r))
assert.Equal(t, uint64(0), service.headSlot(), "Head did not stay the same")
assert.Equal(t, r, service.headRoot(), "Head did not stay the same")
}
func TestSaveHead_Different(t *testing.T) {
ctx := context.Background()
db, sc := testDB.SetupDB(t)
service := setupBeaconChain(t, db, sc)
oldRoot := [32]byte{'A'}
service.head = &head{slot: 0, root: oldRoot}
newHeadSignedBlock := testutil.NewBeaconBlock()
newHeadSignedBlock.Block.Slot = 1
newHeadBlock := newHeadSignedBlock.Block
require.NoError(t, service.beaconDB.SaveBlock(context.Background(), newHeadSignedBlock))
newRoot, err := newHeadBlock.HashTreeRoot()
require.NoError(t, err)
headState := testutil.NewBeaconState()
require.NoError(t, headState.SetSlot(1))
require.NoError(t, service.beaconDB.SaveStateSummary(context.Background(), &pb.StateSummary{Slot: 1, Root: newRoot[:]}))
require.NoError(t, service.beaconDB.SaveState(context.Background(), headState, newRoot))
require.NoError(t, service.saveHead(context.Background(), newRoot))
assert.Equal(t, uint64(1), service.HeadSlot(), "Head did not change")
cachedRoot, err := service.HeadRoot(context.Background())
require.NoError(t, err)
if !bytes.Equal(cachedRoot, newRoot[:]) {
t.Error("Head did not change")
}
assert.DeepEqual(t, newHeadSignedBlock, service.headBlock(), "Head did not change")
assert.DeepEqual(t, headState.CloneInnerState(), service.headState(ctx).CloneInnerState(), "Head did not change")
}
func TestSaveHead_Different_Reorg(t *testing.T) {
ctx := context.Background()
hook := logTest.NewGlobal()
db, sc := testDB.SetupDB(t)
service := setupBeaconChain(t, db, sc)
oldRoot := [32]byte{'A'}
service.head = &head{slot: 0, root: oldRoot}
reorgChainParent := [32]byte{'B'}
newHeadSignedBlock := testutil.NewBeaconBlock()
newHeadSignedBlock.Block.Slot = 1
newHeadSignedBlock.Block.ParentRoot = reorgChainParent[:]
newHeadBlock := newHeadSignedBlock.Block
require.NoError(t, service.beaconDB.SaveBlock(context.Background(), newHeadSignedBlock))
newRoot, err := newHeadBlock.HashTreeRoot()
require.NoError(t, err)
headState := testutil.NewBeaconState()
require.NoError(t, headState.SetSlot(1))
require.NoError(t, service.beaconDB.SaveStateSummary(context.Background(), &pb.StateSummary{Slot: 1, Root: newRoot[:]}))
require.NoError(t, service.beaconDB.SaveState(context.Background(), headState, newRoot))
require.NoError(t, service.saveHead(context.Background(), newRoot))
assert.Equal(t, uint64(1), service.HeadSlot(), "Head did not change")
cachedRoot, err := service.HeadRoot(context.Background())
require.NoError(t, err)
if !bytes.Equal(cachedRoot, newRoot[:]) {
t.Error("Head did not change")
}
assert.DeepEqual(t, newHeadSignedBlock, service.headBlock(), "Head did not change")
assert.DeepEqual(t, headState.CloneInnerState(), service.headState(ctx).CloneInnerState(), "Head did not change")
require.LogsContain(t, hook, "Chain reorg occurred")
}
func TestUpdateRecentCanonicalBlocks_CanUpdateWithoutParent(t *testing.T) {
db, sc := testDB.SetupDB(t)
service := setupBeaconChain(t, db, sc)
r := [32]byte{'a'}
require.NoError(t, service.updateRecentCanonicalBlocks(context.Background(), r))
canonical, err := service.IsCanonical(context.Background(), r)
require.NoError(t, err)
assert.Equal(t, true, canonical, "Block should be canonical")
}
func TestUpdateRecentCanonicalBlocks_CanUpdateWithParent(t *testing.T) {
db, sc := testDB.SetupDB(t)
service := setupBeaconChain(t, db, sc)
oldHead := [32]byte{'a'}
require.NoError(t, service.forkChoiceStore.ProcessBlock(context.Background(), 1, oldHead, [32]byte{'g'}, [32]byte{}, 0, 0))
currentHead := [32]byte{'b'}
require.NoError(t, service.forkChoiceStore.ProcessBlock(context.Background(), 3, currentHead, oldHead, [32]byte{}, 0, 0))
forkedRoot := [32]byte{'c'}
require.NoError(t, service.forkChoiceStore.ProcessBlock(context.Background(), 2, forkedRoot, oldHead, [32]byte{}, 0, 0))
require.NoError(t, service.updateRecentCanonicalBlocks(context.Background(), currentHead))
canonical, err := service.IsCanonical(context.Background(), currentHead)
require.NoError(t, err)
assert.Equal(t, true, canonical, "Block should be canonical")
canonical, err = service.IsCanonical(context.Background(), oldHead)
require.NoError(t, err)
assert.Equal(t, true, canonical, "Block should be canonical")
canonical, err = service.IsCanonical(context.Background(), forkedRoot)
require.NoError(t, err)
assert.Equal(t, false, canonical, "Block should not be canonical")
}
func TestCacheJustifiedStateBalances_CanCache(t *testing.T) {
db, sc := testDB.SetupDB(t)
service := setupBeaconChain(t, db, sc)
state, _ := testutil.DeterministicGenesisState(t, 100)
r := [32]byte{'a'}
require.NoError(t, service.beaconDB.SaveStateSummary(context.Background(), &pb.StateSummary{Root: r[:]}))
require.NoError(t, service.beaconDB.SaveState(context.Background(), state, r))
require.NoError(t, service.cacheJustifiedStateBalances(context.Background(), r))
require.DeepEqual(t, service.getJustifiedBalances(), state.Balances(), "Incorrect justified balances")
}
func TestUpdateHead_MissingJustifiedRoot(t *testing.T) {
db, sc := testDB.SetupDB(t)
service := setupBeaconChain(t, db, sc)
b := testutil.NewBeaconBlock()
require.NoError(t, service.beaconDB.SaveBlock(context.Background(), b))
r, err := b.Block.HashTreeRoot()
require.NoError(t, err)
service.justifiedCheckpt = &ethpb.Checkpoint{Root: r[:]}
service.finalizedCheckpt = &ethpb.Checkpoint{}
service.bestJustifiedCheckpt = &ethpb.Checkpoint{}
require.NoError(t, service.updateHead(context.Background(), []uint64{}))
}