prysm-pulse/beacon-chain/blockchain/block_processing_test.go
Preston Van Loon 76e30200fe Pass ctx to saveState (#2141)
* pass ctx to saveState

* add span
2019-04-02 16:49:45 +08:00

398 lines
12 KiB
Go

package blockchain
import (
"context"
"encoding/binary"
"math/big"
"testing"
"time"
"github.com/prysmaticlabs/prysm/beacon-chain/attestation"
b "github.com/prysmaticlabs/prysm/beacon-chain/core/blocks"
"github.com/prysmaticlabs/prysm/beacon-chain/core/state"
v "github.com/prysmaticlabs/prysm/beacon-chain/core/validators"
"github.com/prysmaticlabs/prysm/beacon-chain/internal"
pb "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
"github.com/prysmaticlabs/prysm/shared/bytesutil"
"github.com/prysmaticlabs/prysm/shared/hashutil"
"github.com/prysmaticlabs/prysm/shared/params"
"github.com/prysmaticlabs/prysm/shared/testutil"
"github.com/prysmaticlabs/prysm/shared/trieutil"
logTest "github.com/sirupsen/logrus/hooks/test"
)
// Ensure ChainService implements interfaces.
var _ = BlockProcessor(&ChainService{})
func TestReceiveBlock_FaultyPOWChain(t *testing.T) {
db := internal.SetupDB(t)
defer internal.TeardownDB(t, db)
chainService := setupBeaconChain(t, db, nil)
unixTime := uint64(time.Now().Unix())
deposits, _ := setupInitialDeposits(t, 100)
if err := db.InitializeState(unixTime, deposits, &pb.Eth1Data{}); err != nil {
t.Fatalf("Could not initialize beacon state to disk: %v", err)
}
if err := SetSlotInState(chainService, 1); err != nil {
t.Fatal(err)
}
parentBlock := &pb.BeaconBlock{
Slot: 1,
}
parentRoot, err := hashutil.HashBeaconBlock(parentBlock)
if err != nil {
t.Fatalf("Unable to tree hash block %v", err)
}
if err := chainService.beaconDB.SaveBlock(parentBlock); err != nil {
t.Fatalf("Unable to save block %v", err)
}
block := &pb.BeaconBlock{
Slot: 2,
ParentRootHash32: parentRoot[:],
Eth1Data: &pb.Eth1Data{
DepositRootHash32: []byte("a"),
BlockHash32: []byte("b"),
},
}
if err := chainService.beaconDB.SaveBlock(block); err != nil {
t.Fatal(err)
}
if _, err := chainService.ReceiveBlock(context.Background(), block); err == nil {
t.Errorf("Expected receive block to fail, received nil: %v", err)
}
}
func TestReceiveBlock_ProcessCorrectly(t *testing.T) {
hook := logTest.NewGlobal()
db := internal.SetupDB(t)
defer internal.TeardownDB(t, db)
ctx := context.Background()
chainService := setupBeaconChain(t, db, nil)
deposits, privKeys := setupInitialDeposits(t, 100)
eth1Data := &pb.Eth1Data{
DepositRootHash32: []byte{},
BlockHash32: []byte{},
}
beaconState, err := state.GenesisBeaconState(deposits, 0, eth1Data)
if err != nil {
t.Fatalf("Can't generate genesis state: %v", err)
}
stateRoot, err := hashutil.HashProto(beaconState)
if err != nil {
t.Fatalf("Could not tree hash state: %v", err)
}
parentHash, genesisBlock := setupGenesisBlock(t, chainService, beaconState)
if err := chainService.beaconDB.UpdateChainHead(ctx, genesisBlock, beaconState); err != nil {
t.Fatal(err)
}
currentSlot := params.BeaconConfig().GenesisSlot
beaconState.Slot++
randaoReveal := createRandaoReveal(t, beaconState, privKeys)
block := &pb.BeaconBlock{
Slot: currentSlot + 1,
StateRootHash32: stateRoot[:],
ParentRootHash32: parentHash[:],
RandaoReveal: randaoReveal,
Eth1Data: &pb.Eth1Data{
DepositRootHash32: []byte("a"),
BlockHash32: []byte("b"),
},
Body: &pb.BeaconBlockBody{
Attestations: nil,
},
}
if err := chainService.beaconDB.SaveJustifiedBlock(block); err != nil {
t.Fatal(err)
}
if err := chainService.beaconDB.SaveFinalizedBlock(block); err != nil {
t.Fatal(err)
}
if err := chainService.beaconDB.SaveBlock(block); err != nil {
t.Fatal(err)
}
if _, err := chainService.ReceiveBlock(context.Background(), block); err != nil {
t.Errorf("Block failed processing: %v", err)
}
testutil.AssertLogsContain(t, hook, "Processed beacon block")
}
func TestReceiveBlock_RemovesPendingDeposits(t *testing.T) {
hook := logTest.NewGlobal()
db := internal.SetupDB(t)
defer internal.TeardownDB(t, db)
ctx := context.Background()
attsService := attestation.NewAttestationService(
context.Background(),
&attestation.Config{BeaconDB: db})
chainService := setupBeaconChain(t, db, attsService)
deposits, privKeys := setupInitialDeposits(t, 100)
eth1Data := &pb.Eth1Data{
DepositRootHash32: []byte{},
BlockHash32: []byte{},
}
beaconState, err := state.GenesisBeaconState(deposits, 0, eth1Data)
if err != nil {
t.Fatalf("Can't generate genesis state: %v", err)
}
if err := chainService.beaconDB.SaveJustifiedState(beaconState); err != nil {
t.Fatal(err)
}
stateRoot, err := hashutil.HashProto(beaconState)
if err != nil {
t.Fatalf("Could not tree hash state: %v", err)
}
parentHash, genesisBlock := setupGenesisBlock(t, chainService, beaconState)
beaconState.Slot++
if err := chainService.beaconDB.UpdateChainHead(ctx, genesisBlock, beaconState); err != nil {
t.Fatal(err)
}
currentSlot := params.BeaconConfig().GenesisSlot
randaoReveal := createRandaoReveal(t, beaconState, privKeys)
pendingDeposits := []*pb.Deposit{
createPreChainStartDeposit(t, []byte{'F'}),
}
pendingDepositsData := make([][]byte, len(pendingDeposits))
for i, pd := range pendingDeposits {
pendingDepositsData[i] = pd.DepositData
}
depositTrie, err := trieutil.GenerateTrieFromItems(pendingDepositsData, int(params.BeaconConfig().DepositContractTreeDepth))
if err != nil {
t.Fatalf("Could not generate deposit trie: %v", err)
}
for i := range pendingDeposits {
pendingDeposits[i].MerkleTreeIndex = 0
proof, err := depositTrie.MerkleProof(int(pendingDeposits[i].MerkleTreeIndex))
if err != nil {
t.Fatalf("Could not generate proof: %v", err)
}
pendingDeposits[i].MerkleBranchHash32S = proof
}
depositRoot := depositTrie.Root()
beaconState.LatestEth1Data.DepositRootHash32 = depositRoot[:]
block := &pb.BeaconBlock{
Slot: currentSlot + 1,
StateRootHash32: stateRoot[:],
ParentRootHash32: parentHash[:],
RandaoReveal: randaoReveal,
Eth1Data: &pb.Eth1Data{
DepositRootHash32: []byte("a"),
BlockHash32: []byte("b"),
},
Body: &pb.BeaconBlockBody{
Deposits: pendingDeposits,
},
}
blockRoot, err := hashutil.HashBeaconBlock(block)
if err != nil {
log.Fatalf("could not hash block: %v", err)
}
if err := chainService.beaconDB.SaveJustifiedBlock(block); err != nil {
t.Fatal(err)
}
if err := chainService.beaconDB.SaveFinalizedBlock(block); err != nil {
t.Fatal(err)
}
for _, dep := range pendingDeposits {
db.InsertPendingDeposit(chainService.ctx, dep, big.NewInt(0))
}
if len(db.PendingDeposits(chainService.ctx, nil)) != len(pendingDeposits) || len(pendingDeposits) == 0 {
t.Fatalf("Expected %d pending deposits", len(pendingDeposits))
}
beaconState.Slot--
if err := chainService.beaconDB.SaveState(ctx, beaconState); err != nil {
t.Fatal(err)
}
computedState, err := chainService.ReceiveBlock(context.Background(), block)
if err != nil {
t.Fatal(err)
}
for i := 0; i < len(beaconState.ValidatorRegistry); i++ {
pubKey := bytesutil.ToBytes48(beaconState.ValidatorRegistry[i].Pubkey)
attsService.InsertAttestationIntoStore(pubKey, &pb.Attestation{
Data: &pb.AttestationData{
BeaconBlockRootHash32: blockRoot[:],
}},
)
}
if err := chainService.ApplyForkChoiceRule(context.Background(), block, computedState); err != nil {
t.Fatal(err)
}
if len(db.PendingDeposits(chainService.ctx, nil)) != 0 {
t.Fatalf("Expected 0 pending deposits, but there are %+v", db.PendingDeposits(chainService.ctx, nil))
}
testutil.AssertLogsContain(t, hook, "Executing state transition")
}
func TestIsBlockReadyForProcessing_ValidBlock(t *testing.T) {
db := internal.SetupDB(t)
defer internal.TeardownDB(t, db)
ctx := context.Background()
chainService := setupBeaconChain(t, db, nil)
unixTime := uint64(time.Now().Unix())
deposits, privKeys := setupInitialDeposits(t, 100)
if err := db.InitializeState(unixTime, deposits, &pb.Eth1Data{}); err != nil {
t.Fatalf("Could not initialize beacon state to disk: %v", err)
}
beaconState, err := db.State(ctx)
if err != nil {
t.Fatalf("Can't get genesis state: %v", err)
}
block := &pb.BeaconBlock{
ParentRootHash32: []byte{'a'},
}
if err := chainService.VerifyBlockValidity(block, beaconState); err == nil {
t.Fatal("block processing succeeded despite block having no parent saved")
}
beaconState.Slot = params.BeaconConfig().GenesisSlot + 10
stateRoot, err := hashutil.HashProto(beaconState)
if err != nil {
t.Fatalf("Could not tree hash state: %v", err)
}
genesis := b.NewGenesisBlock([]byte{})
if err := chainService.beaconDB.SaveBlock(genesis); err != nil {
t.Fatalf("cannot save block: %v", err)
}
parentRoot, err := hashutil.HashBeaconBlock(genesis)
if err != nil {
t.Fatalf("unable to get root of canonical head: %v", err)
}
beaconState.LatestEth1Data = &pb.Eth1Data{
DepositRootHash32: []byte{2},
BlockHash32: []byte{3},
}
beaconState.Slot = params.BeaconConfig().GenesisSlot
currentSlot := params.BeaconConfig().GenesisSlot + 1
attestationSlot := params.BeaconConfig().GenesisSlot
randaoReveal := createRandaoReveal(t, beaconState, privKeys)
block2 := &pb.BeaconBlock{
Slot: currentSlot,
StateRootHash32: stateRoot[:],
ParentRootHash32: parentRoot[:],
RandaoReveal: randaoReveal,
Eth1Data: &pb.Eth1Data{
DepositRootHash32: []byte("a"),
BlockHash32: []byte("b"),
},
Body: &pb.BeaconBlockBody{
Attestations: []*pb.Attestation{{
AggregationBitfield: []byte{128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
Data: &pb.AttestationData{
Slot: attestationSlot,
JustifiedBlockRootHash32: parentRoot[:],
},
}},
},
}
if err := chainService.VerifyBlockValidity(block2, beaconState); err != nil {
t.Fatalf("block processing failed despite being a valid block: %v", err)
}
}
func TestDeleteValidatorIdx_DeleteWorks(t *testing.T) {
db := internal.SetupDB(t)
defer internal.TeardownDB(t, db)
epoch := uint64(2)
v.InsertActivatedVal(epoch, []uint64{0, 1, 2})
v.InsertExitedVal(epoch, []uint64{0, 2})
var validators []*pb.Validator
for i := 0; i < 3; i++ {
pubKeyBuf := make([]byte, params.BeaconConfig().BLSPubkeyLength)
binary.PutUvarint(pubKeyBuf, uint64(i))
validators = append(validators, &pb.Validator{
Pubkey: pubKeyBuf,
})
}
state := &pb.BeaconState{
ValidatorRegistry: validators,
Slot: epoch * params.BeaconConfig().SlotsPerEpoch,
}
chainService := setupBeaconChain(t, db, nil)
if err := chainService.saveValidatorIdx(state); err != nil {
t.Fatalf("Could not save validator idx: %v", err)
}
if err := chainService.deleteValidatorIdx(state); err != nil {
t.Fatalf("Could not delete validator idx: %v", err)
}
wantedIdx := uint64(1)
idx, err := chainService.beaconDB.ValidatorIndex(validators[wantedIdx].Pubkey)
if err != nil {
t.Fatalf("Could not get validator index: %v", err)
}
if wantedIdx != idx {
t.Errorf("Wanted: %d, got: %d", wantedIdx, idx)
}
wantedIdx = uint64(2)
if chainService.beaconDB.HasValidator(validators[wantedIdx].Pubkey) {
t.Errorf("Validator index %d should have been deleted", wantedIdx)
}
if v.ExitedValFromEpoch(epoch) != nil {
t.Errorf("Activated validators mapping for epoch %d still there", epoch)
}
}
func TestSaveValidatorIdx_SaveRetrieveWorks(t *testing.T) {
db := internal.SetupDB(t)
defer internal.TeardownDB(t, db)
epoch := uint64(1)
v.InsertActivatedVal(epoch, []uint64{0, 1, 2})
var validators []*pb.Validator
for i := 0; i < 3; i++ {
pubKeyBuf := make([]byte, params.BeaconConfig().BLSPubkeyLength)
binary.PutUvarint(pubKeyBuf, uint64(i))
validators = append(validators, &pb.Validator{
Pubkey: pubKeyBuf,
})
}
state := &pb.BeaconState{
ValidatorRegistry: validators,
Slot: epoch * params.BeaconConfig().SlotsPerEpoch,
}
chainService := setupBeaconChain(t, db, nil)
if err := chainService.saveValidatorIdx(state); err != nil {
t.Fatalf("Could not save validator idx: %v", err)
}
wantedIdx := uint64(2)
idx, err := chainService.beaconDB.ValidatorIndex(validators[wantedIdx].Pubkey)
if err != nil {
t.Fatalf("Could not get validator index: %v", err)
}
if wantedIdx != idx {
t.Errorf("Wanted: %d, got: %d", wantedIdx, idx)
}
if v.ActivatedValFromEpoch(epoch) != nil {
t.Errorf("Activated validators mapping for epoch %d still there", epoch)
}
}