mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
synced 2024-12-27 05:38:55 +00:00
0b8cbd06b6
* refactor a bit to select p2p * lint * fix build * fix build * fix build * fix build * fix build
272 lines
8.5 KiB
Go
272 lines
8.5 KiB
Go
package blockchain
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import (
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"context"
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"errors"
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"io/ioutil"
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"math/big"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum"
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"github.com/ethereum/go-ethereum/common"
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gethTypes "github.com/ethereum/go-ethereum/core/types"
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"github.com/gogo/protobuf/proto"
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"github.com/prysmaticlabs/go-ssz"
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"github.com/prysmaticlabs/prysm/beacon-chain/attestation"
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b "github.com/prysmaticlabs/prysm/beacon-chain/core/blocks"
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"github.com/prysmaticlabs/prysm/beacon-chain/db"
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"github.com/prysmaticlabs/prysm/beacon-chain/internal"
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p2p "github.com/prysmaticlabs/prysm/beacon-chain/p2p"
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"github.com/prysmaticlabs/prysm/beacon-chain/powchain"
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ethpb "github.com/prysmaticlabs/prysm/proto/eth/v1alpha1"
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"github.com/prysmaticlabs/prysm/shared/event"
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"github.com/prysmaticlabs/prysm/shared/testutil"
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"github.com/sirupsen/logrus"
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logTest "github.com/sirupsen/logrus/hooks/test"
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)
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// Ensure ChainService implements interfaces.
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var _ = ChainFeeds(&ChainService{})
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func init() {
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logrus.SetLevel(logrus.DebugLevel)
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logrus.SetOutput(ioutil.Discard)
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}
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type mockOperationService struct{}
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func (ms *mockOperationService) IncomingProcessedBlockFeed() *event.Feed {
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return new(event.Feed)
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}
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func (ms *mockOperationService) IncomingAttFeed() *event.Feed {
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return nil
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}
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func (ms *mockOperationService) IncomingExitFeed() *event.Feed {
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return nil
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}
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type mockClient struct{}
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func (m *mockClient) SubscribeNewHead(ctx context.Context, ch chan<- *gethTypes.Header) (ethereum.Subscription, error) {
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return new(event.Feed).Subscribe(ch), nil
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}
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func (m *mockClient) BlockByHash(ctx context.Context, hash common.Hash) (*gethTypes.Block, error) {
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head := &gethTypes.Header{Number: big.NewInt(0), Difficulty: big.NewInt(100)}
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return gethTypes.NewBlockWithHeader(head), nil
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}
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func (m *mockClient) BlockByNumber(ctx context.Context, number *big.Int) (*gethTypes.Block, error) {
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head := &gethTypes.Header{Number: big.NewInt(0), Difficulty: big.NewInt(100)}
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return gethTypes.NewBlockWithHeader(head), nil
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}
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func (m *mockClient) HeaderByNumber(ctx context.Context, number *big.Int) (*gethTypes.Header, error) {
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return &gethTypes.Header{Number: big.NewInt(0), Difficulty: big.NewInt(100)}, nil
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}
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func (m *mockClient) SubscribeFilterLogs(ctx context.Context, q ethereum.FilterQuery, ch chan<- gethTypes.Log) (ethereum.Subscription, error) {
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return new(event.Feed).Subscribe(ch), nil
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}
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func (m *mockClient) CallContract(ctx context.Context, call ethereum.CallMsg, blockNumber *big.Int) ([]byte, error) {
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return []byte{'t', 'e', 's', 't'}, nil
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}
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func (m *mockClient) CodeAt(ctx context.Context, account common.Address, blockNumber *big.Int) ([]byte, error) {
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return []byte{'t', 'e', 's', 't'}, nil
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}
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func (m *mockClient) FilterLogs(ctx context.Context, q ethereum.FilterQuery) ([]gethTypes.Log, error) {
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logs := make([]gethTypes.Log, 3)
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for i := 0; i < len(logs); i++ {
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logs[i].Address = common.Address{}
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logs[i].Topics = make([]common.Hash, 5)
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logs[i].Topics[0] = common.Hash{'a'}
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logs[i].Topics[1] = common.Hash{'b'}
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logs[i].Topics[2] = common.Hash{'c'}
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}
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return logs, nil
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}
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func (m *mockClient) LatestBlockHash() common.Hash {
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return common.BytesToHash([]byte{'A'})
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}
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type faultyClient struct{}
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func (f *faultyClient) SubscribeNewHead(ctx context.Context, ch chan<- *gethTypes.Header) (ethereum.Subscription, error) {
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return new(event.Feed).Subscribe(ch), nil
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}
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func (f *faultyClient) BlockByHash(ctx context.Context, hash common.Hash) (*gethTypes.Block, error) {
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return nil, errors.New("failed")
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}
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func (f *faultyClient) BlockByNumber(ctx context.Context, number *big.Int) (*gethTypes.Block, error) {
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return nil, errors.New("failed")
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}
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func (f *faultyClient) HeaderByNumber(ctx context.Context, number *big.Int) (*gethTypes.Header, error) {
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return nil, errors.New("failed")
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}
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func (f *faultyClient) SubscribeFilterLogs(ctx context.Context, q ethereum.FilterQuery, ch chan<- gethTypes.Log) (ethereum.Subscription, error) {
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return new(event.Feed).Subscribe(ch), nil
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}
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func (f *faultyClient) FilterLogs(ctx context.Context, q ethereum.FilterQuery) ([]gethTypes.Log, error) {
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return nil, errors.New("unable to retrieve logs")
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}
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func (f *faultyClient) CallContract(ctx context.Context, call ethereum.CallMsg, blockNumber *big.Int) ([]byte, error) {
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return []byte{}, errors.New("unable to retrieve contract code")
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}
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func (f *faultyClient) CodeAt(ctx context.Context, account common.Address, blockNumber *big.Int) ([]byte, error) {
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return []byte{}, errors.New("unable to retrieve contract code")
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}
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func (f *faultyClient) LatestBlockHash() common.Hash {
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return common.BytesToHash([]byte{'A'})
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}
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type mockBroadcaster struct {
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broadcastCalled bool
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}
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func (mb *mockBroadcaster) Broadcast(_ context.Context, _ proto.Message) error {
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mb.broadcastCalled = true
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return nil
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}
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var _ = p2p.Broadcaster(&mockBroadcaster{})
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func setupGenesisBlock(t *testing.T, cs *ChainService) ([32]byte, *ethpb.BeaconBlock) {
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genesis := b.NewGenesisBlock([]byte{})
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if err := cs.beaconDB.SaveBlock(genesis); err != nil {
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t.Fatalf("could not save block to db: %v", err)
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}
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parentHash, err := ssz.SigningRoot(genesis)
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if err != nil {
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t.Fatalf("unable to get tree hash root of canonical head: %v", err)
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}
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return parentHash, genesis
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}
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func setupBeaconChain(t *testing.T, beaconDB *db.BeaconDB, attsService *attestation.Service) *ChainService {
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endpoint := "ws://127.0.0.1"
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ctx := context.Background()
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var web3Service *powchain.Web3Service
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var err error
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client := &mockClient{}
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web3Service, err = powchain.NewWeb3Service(ctx, &powchain.Web3ServiceConfig{
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Endpoint: endpoint,
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DepositContract: common.Address{},
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Reader: client,
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Client: client,
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Logger: client,
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})
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if err != nil {
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t.Fatalf("unable to set up web3 service: %v", err)
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}
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cfg := &Config{
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BeaconBlockBuf: 0,
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BeaconDB: beaconDB,
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Web3Service: web3Service,
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OpsPoolService: &mockOperationService{},
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AttsService: attsService,
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P2p: &mockBroadcaster{},
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}
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if err != nil {
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t.Fatalf("could not register blockchain service: %v", err)
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}
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chainService, err := NewChainService(ctx, cfg)
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if err != nil {
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t.Fatalf("unable to setup chain service: %v", err)
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}
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return chainService
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}
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func SetSlotInState(service *ChainService, slot uint64) error {
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bState, err := service.beaconDB.HeadState(context.Background())
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if err != nil {
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return err
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}
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bState.Slot = slot
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return service.beaconDB.SaveState(context.Background(), bState)
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}
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func TestChainStartStop_Uninitialized(t *testing.T) {
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hook := logTest.NewGlobal()
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db := internal.SetupDBDeprecated(t)
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defer internal.TeardownDBDeprecated(t, db)
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chainService := setupBeaconChain(t, db, nil)
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// Test the start function.
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genesisChan := make(chan time.Time, 0)
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sub := chainService.stateInitializedFeed.Subscribe(genesisChan)
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defer sub.Unsubscribe()
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chainService.Start()
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chainService.chainStartChan <- time.Unix(0, 0)
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genesisTime := <-genesisChan
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if genesisTime != time.Unix(0, 0) {
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t.Errorf(
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"Expected genesis time to equal chainstart time (%v), received %v",
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time.Unix(0, 0),
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genesisTime,
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)
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}
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beaconState, err := db.HeadState(context.Background())
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if err != nil {
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t.Fatal(err)
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}
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if beaconState == nil || beaconState.Slot != 0 {
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t.Error("Expected canonical state feed to send a state with genesis block")
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}
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if err := chainService.Stop(); err != nil {
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t.Fatalf("Unable to stop chain service: %v", err)
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}
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// The context should have been canceled.
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if chainService.ctx.Err() != context.Canceled {
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t.Error("Context was not canceled")
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}
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testutil.AssertLogsContain(t, hook, "Waiting for ChainStart log from the Validator Deposit Contract to start the beacon chain...")
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testutil.AssertLogsContain(t, hook, "ChainStart time reached, starting the beacon chain!")
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}
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func TestChainStartStop_Initialized(t *testing.T) {
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hook := logTest.NewGlobal()
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db := internal.SetupDBDeprecated(t)
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defer internal.TeardownDBDeprecated(t, db)
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chainService := setupBeaconChain(t, db, nil)
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unixTime := uint64(time.Now().Unix())
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deposits, _ := testutil.SetupInitialDeposits(t, 100)
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if err := db.InitializeState(context.Background(), unixTime, deposits, ðpb.Eth1Data{}); err != nil {
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t.Fatalf("Could not initialize beacon state to disk: %v", err)
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}
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setupGenesisBlock(t, chainService)
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// Test the start function.
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chainService.Start()
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if err := chainService.Stop(); err != nil {
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t.Fatalf("unable to stop chain service: %v", err)
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}
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// The context should have been canceled.
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if chainService.ctx.Err() != context.Canceled {
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t.Error("context was not canceled")
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}
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testutil.AssertLogsContain(t, hook, "Beacon chain data already exists, starting service")
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}
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