mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
synced 2024-12-28 14:17:17 +00:00
377 lines
12 KiB
Go
377 lines
12 KiB
Go
package blockchain
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import (
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"context"
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"crypto/rand"
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"encoding/binary"
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"errors"
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"io/ioutil"
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"math/big"
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"reflect"
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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/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/core/helpers"
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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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"github.com/prysmaticlabs/prysm/beacon-chain/powchain"
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pb "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
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pbrpc "github.com/prysmaticlabs/prysm/proto/beacon/rpc/v1"
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"github.com/prysmaticlabs/prysm/shared/bls"
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"github.com/prysmaticlabs/prysm/shared/event"
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"github.com/prysmaticlabs/prysm/shared/featureconfig"
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"github.com/prysmaticlabs/prysm/shared/forkutil"
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"github.com/prysmaticlabs/prysm/shared/hashutil"
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"github.com/prysmaticlabs/prysm/shared/p2p"
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"github.com/prysmaticlabs/prysm/shared/params"
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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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featureconfig.InitFeatureConfig(&featureconfig.FeatureFlagConfig{
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EnableCrosslinks: true,
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EnableCheckBlockStateRoot: true,
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})
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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) {
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mb.broadcastCalled = true
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}
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var _ = p2p.Broadcaster(&mockBroadcaster{})
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func setupInitialDeposits(t *testing.T, numDeposits int) ([]*pb.Deposit, []*bls.SecretKey) {
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privKeys := make([]*bls.SecretKey, numDeposits)
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deposits := make([]*pb.Deposit, numDeposits)
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for i := 0; i < len(deposits); i++ {
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priv, err := bls.RandKey(rand.Reader)
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if err != nil {
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t.Fatal(err)
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}
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depositInput := &pb.DepositInput{
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Pubkey: priv.PublicKey().Marshal(),
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}
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balance := params.BeaconConfig().MaxDepositAmount
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depositData, err := helpers.EncodeDepositData(depositInput, balance, time.Now().Unix())
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if err != nil {
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t.Fatalf("Cannot encode data: %v", err)
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}
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deposits[i] = &pb.Deposit{
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DepositData: depositData,
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MerkleTreeIndex: uint64(i),
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}
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privKeys[i] = priv
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}
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return deposits, privKeys
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}
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func createPreChainStartDeposit(t *testing.T, pk []byte, index uint64) *pb.Deposit {
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depositInput := &pb.DepositInput{Pubkey: pk}
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balance := params.BeaconConfig().MaxDepositAmount
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depositData, err := helpers.EncodeDepositData(depositInput, balance, time.Now().Unix())
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if err != nil {
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t.Fatalf("Cannot encode data: %v", err)
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}
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return &pb.Deposit{DepositData: depositData, MerkleTreeIndex: index}
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}
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func createRandaoReveal(t *testing.T, beaconState *pb.BeaconState, privKeys []*bls.SecretKey) []byte {
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// We fetch the proposer's index as that is whom the RANDAO will be verified against.
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proposerIdx, err := helpers.BeaconProposerIndex(beaconState, beaconState.Slot)
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if err != nil {
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t.Fatal(err)
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}
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epoch := helpers.SlotToEpoch(beaconState.Slot)
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buf := make([]byte, 32)
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binary.LittleEndian.PutUint64(buf, epoch)
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domain := forkutil.DomainVersion(beaconState.Fork, epoch, params.BeaconConfig().DomainRandao)
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// We make the previous validator's index sign the message instead of the proposer.
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epochSignature := privKeys[proposerIdx].Sign(buf, domain)
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return epochSignature.Marshal()
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}
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func setupGenesisBlock(t *testing.T, cs *ChainService) ([32]byte, *pb.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 := hashutil.HashBeaconBlock(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.SetupDB(t)
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defer internal.TeardownDB(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 != params.BeaconConfig().GenesisSlot {
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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.SetupDB(t)
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defer internal.TeardownDB(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, _ := setupInitialDeposits(t, 100)
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if err := db.InitializeState(context.Background(), unixTime, deposits, &pb.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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func TestRecentCanonicalRoots_CanFilter(t *testing.T) {
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service := setupBeaconChain(t, nil, nil)
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blks := map[uint64][]byte{
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1: {'A'},
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50: {'E'},
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2: {'B'},
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99: {'F'},
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30: {'D'},
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3: {'C'},
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}
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service.canonicalBlocks = blks
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want := []*pbrpc.BlockRoot{{Slot: 99, Root: []byte{'F'}}}
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roots := service.RecentCanonicalRoots(1)
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if !reflect.DeepEqual(want, roots) {
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t.Log("Incorrect block roots received")
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}
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want = []*pbrpc.BlockRoot{
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{Slot: 99, Root: []byte{'F'}},
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{Slot: 50, Root: []byte{'E'}},
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{Slot: 30, Root: []byte{'D'}},
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}
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roots = service.RecentCanonicalRoots(3)
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if !reflect.DeepEqual(want, roots) {
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t.Log("Incorrect block roots received")
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}
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want = []*pbrpc.BlockRoot{
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{Slot: 99, Root: []byte{'F'}},
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{Slot: 50, Root: []byte{'E'}},
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{Slot: 30, Root: []byte{'D'}},
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{Slot: 3, Root: []byte{'C'}},
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{Slot: 2, Root: []byte{'B'}},
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{Slot: 1, Root: []byte{'A'}},
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}
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roots = service.RecentCanonicalRoots(100)
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if !reflect.DeepEqual(want, roots) {
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t.Log("Incorrect block roots received")
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}
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}
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