prysm-pulse/beacon-chain/rpc/proposer_server_test.go
Raul Jordan 0ff335f254
Fix Pending Attestations RPC Call (#2304)
* pending atts

* use proposal slot

* attestation inclusion fix

* lint

* advance state transitions

* gazelle

* lint tests pass
2019-04-21 16:12:03 -05:00

369 lines
11 KiB
Go

package rpc
import (
"context"
"reflect"
"strconv"
"testing"
"time"
b "github.com/prysmaticlabs/prysm/beacon-chain/core/blocks"
"github.com/prysmaticlabs/prysm/beacon-chain/core/helpers"
"github.com/prysmaticlabs/prysm/beacon-chain/core/state"
"github.com/prysmaticlabs/prysm/beacon-chain/internal"
pbp2p "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
pb "github.com/prysmaticlabs/prysm/proto/beacon/rpc/v1"
"github.com/prysmaticlabs/prysm/shared/featureconfig"
"github.com/prysmaticlabs/prysm/shared/params"
)
func init() {
featureconfig.InitFeatureConfig(&featureconfig.FeatureFlagConfig{
EnableComputeStateRoot: true,
})
}
func TestProposeBlock_OK(t *testing.T) {
db := internal.SetupDB(t)
defer internal.TeardownDB(t, db)
mockChain := &mockChainService{}
ctx := context.Background()
genesis := b.NewGenesisBlock([]byte{})
if err := db.SaveBlock(genesis); err != nil {
t.Fatalf("Could not save genesis block: %v", err)
}
deposits := make([]*pbp2p.Deposit, params.BeaconConfig().DepositsForChainStart)
for i := 0; i < len(deposits); i++ {
depositData, err := helpers.EncodeDepositData(
&pbp2p.DepositInput{
Pubkey: []byte(strconv.Itoa(i)),
},
params.BeaconConfig().MaxDepositAmount,
time.Now().Unix(),
)
if err != nil {
t.Fatalf("Could not encode deposit input: %v", err)
}
deposits[i] = &pbp2p.Deposit{
DepositData: depositData,
}
}
beaconState, err := state.GenesisBeaconState(deposits, 0, nil)
if err != nil {
t.Fatalf("Could not instantiate genesis state: %v", err)
}
if err := db.UpdateChainHead(ctx, genesis, beaconState); err != nil {
t.Fatalf("Could not save genesis state: %v", err)
}
proposerServer := &ProposerServer{
chainService: mockChain,
beaconDB: db,
powChainService: &mockPOWChainService{},
}
req := &pbp2p.BeaconBlock{
Slot: 5,
ParentRootHash32: []byte("parent-hash"),
}
if err := proposerServer.beaconDB.SaveBlock(req); err != nil {
t.Fatal(err)
}
if _, err := proposerServer.ProposeBlock(context.Background(), req); err != nil {
t.Errorf("Could not propose block correctly: %v", err)
}
}
func TestComputeStateRoot_OK(t *testing.T) {
db := internal.SetupDB(t)
defer internal.TeardownDB(t, db)
ctx := context.Background()
mockChain := &mockChainService{}
genesis := b.NewGenesisBlock([]byte{})
if err := db.SaveBlock(genesis); err != nil {
t.Fatalf("Could not save genesis block: %v", err)
}
deposits := make([]*pbp2p.Deposit, params.BeaconConfig().DepositsForChainStart)
for i := 0; i < len(deposits); i++ {
depositData, err := helpers.EncodeDepositData(
&pbp2p.DepositInput{
Pubkey: []byte(strconv.Itoa(i)),
},
params.BeaconConfig().MaxDepositAmount,
time.Now().Unix(),
)
if err != nil {
t.Fatalf("Could not encode deposit input: %v", err)
}
deposits[i] = &pbp2p.Deposit{
DepositData: depositData,
}
}
beaconState, err := state.GenesisBeaconState(deposits, 0, nil)
if err != nil {
t.Fatalf("Could not instantiate genesis state: %v", err)
}
beaconState.Slot = 10
if err := db.UpdateChainHead(ctx, genesis, beaconState); err != nil {
t.Fatalf("Could not save genesis state: %v", err)
}
proposerServer := &ProposerServer{
chainService: mockChain,
beaconDB: db,
powChainService: &mockPOWChainService{},
}
req := &pbp2p.BeaconBlock{
ParentRootHash32: nil,
Slot: 11,
RandaoReveal: nil,
Body: &pbp2p.BeaconBlockBody{
ProposerSlashings: nil,
AttesterSlashings: nil,
},
}
_, _ = proposerServer.ComputeStateRoot(context.Background(), req)
}
func TestPendingAttestations_FiltersWithinInclusionDelay(t *testing.T) {
db := internal.SetupDB(t)
defer internal.TeardownDB(t, db)
ctx := context.Background()
stateSlot := params.BeaconConfig().GenesisSlot + params.BeaconConfig().MinAttestationInclusionDelay + 100
beaconState := &pbp2p.BeaconState{
Slot: stateSlot,
LatestCrosslinks: []*pbp2p.Crosslink{{
Epoch: params.BeaconConfig().GenesisEpoch + 1,
CrosslinkDataRootHash32: params.BeaconConfig().ZeroHash[:],
}},
}
proposerServer := &ProposerServer{
operationService: &mockOperationService{
pendingAttestations: []*pbp2p.Attestation{
{Data: &pbp2p.AttestationData{
Slot: beaconState.Slot - params.BeaconConfig().MinAttestationInclusionDelay,
CrosslinkDataRootHash32: params.BeaconConfig().ZeroHash[:],
}},
},
},
chainService: &mockChainService{},
beaconDB: db,
}
if err := db.SaveState(ctx, beaconState); err != nil {
t.Fatal(err)
}
blk := &pbp2p.BeaconBlock{
Slot: beaconState.Slot,
}
if err := db.SaveBlock(blk); err != nil {
t.Fatalf("failed to save block %v", err)
}
if err := db.UpdateChainHead(ctx, blk, beaconState); err != nil {
t.Fatalf("couldnt update chainhead: %v", err)
}
res, err := proposerServer.PendingAttestations(context.Background(), &pb.PendingAttestationsRequest{
ProposalBlockSlot: blk.Slot + 1,
})
if err != nil {
t.Fatalf("Unexpected error fetching pending attestations: %v", err)
}
if len(res.PendingAttestations) == 0 {
t.Error("Expected pending attestations list to be non-empty")
}
}
func TestPendingAttestations_FiltersExpiredAttestations(t *testing.T) {
db := internal.SetupDB(t)
defer internal.TeardownDB(t, db)
ctx := context.Background()
// Edge case: current slot is at the end of an epoch. The pending attestation
// for the next slot should come from currentSlot + 1.
currentSlot := helpers.StartSlot(
params.BeaconConfig().GenesisEpoch+10,
) - 1
expectedEpoch := uint64(100)
opService := &mockOperationService{
pendingAttestations: []*pbp2p.Attestation{
//Expired attestations
{Data: &pbp2p.AttestationData{
Slot: 0,
JustifiedEpoch: expectedEpoch,
CrosslinkDataRootHash32: params.BeaconConfig().ZeroHash[:],
}},
{Data: &pbp2p.AttestationData{
Slot: currentSlot - 10000,
JustifiedEpoch: expectedEpoch,
CrosslinkDataRootHash32: params.BeaconConfig().ZeroHash[:],
}},
{Data: &pbp2p.AttestationData{
Slot: currentSlot - 5000,
JustifiedEpoch: expectedEpoch,
CrosslinkDataRootHash32: params.BeaconConfig().ZeroHash[:],
}},
{Data: &pbp2p.AttestationData{
Slot: currentSlot - 100,
JustifiedEpoch: expectedEpoch,
CrosslinkDataRootHash32: params.BeaconConfig().ZeroHash[:],
}},
{Data: &pbp2p.AttestationData{
Slot: currentSlot - params.BeaconConfig().SlotsPerEpoch,
JustifiedEpoch: expectedEpoch,
CrosslinkDataRootHash32: params.BeaconConfig().ZeroHash[:],
}},
// Non-expired attestation with incorrect justified epoch
{Data: &pbp2p.AttestationData{
Slot: currentSlot - 5,
JustifiedEpoch: expectedEpoch - 1,
CrosslinkDataRootHash32: params.BeaconConfig().ZeroHash[:],
}},
// Non-expired attestations with correct justified epoch
{Data: &pbp2p.AttestationData{
Slot: currentSlot - 5,
JustifiedEpoch: expectedEpoch,
CrosslinkDataRootHash32: params.BeaconConfig().ZeroHash[:],
}},
{Data: &pbp2p.AttestationData{
Slot: currentSlot - 2,
JustifiedEpoch: expectedEpoch,
CrosslinkDataRootHash32: params.BeaconConfig().ZeroHash[:],
}},
{Data: &pbp2p.AttestationData{
Slot: currentSlot,
JustifiedEpoch: expectedEpoch,
CrosslinkDataRootHash32: params.BeaconConfig().ZeroHash[:],
}},
},
}
expectedNumberOfAttestations := 3
proposerServer := &ProposerServer{
operationService: opService,
chainService: &mockChainService{},
beaconDB: db,
}
beaconState := &pbp2p.BeaconState{
Slot: currentSlot + params.BeaconConfig().MinAttestationInclusionDelay,
JustifiedEpoch: expectedEpoch,
PreviousJustifiedEpoch: expectedEpoch,
LatestCrosslinks: []*pbp2p.Crosslink{{
Epoch: params.BeaconConfig().GenesisEpoch + 9,
CrosslinkDataRootHash32: params.BeaconConfig().ZeroHash[:],
}},
}
if err := db.SaveState(ctx, beaconState); err != nil {
t.Fatal(err)
}
blk := &pbp2p.BeaconBlock{
Slot: beaconState.Slot,
}
if err := db.SaveBlock(blk); err != nil {
t.Fatalf("failed to save block %v", err)
}
if err := db.UpdateChainHead(ctx, blk, beaconState); err != nil {
t.Fatalf("couldnt update chainhead: %v", err)
}
res, err := proposerServer.PendingAttestations(
context.Background(),
&pb.PendingAttestationsRequest{
ProposalBlockSlot: currentSlot,
},
)
if err != nil {
t.Fatalf("Unexpected error fetching pending attestations: %v", err)
}
if len(res.PendingAttestations) != expectedNumberOfAttestations {
t.Errorf(
"Expected pending attestations list length %d, but was %d",
expectedNumberOfAttestations,
len(res.PendingAttestations),
)
}
expectedAtts := []*pbp2p.Attestation{
{Data: &pbp2p.AttestationData{
Slot: currentSlot - 5,
JustifiedEpoch: expectedEpoch,
CrosslinkDataRootHash32: params.BeaconConfig().ZeroHash[:],
}},
{Data: &pbp2p.AttestationData{
Slot: currentSlot - 2,
JustifiedEpoch: expectedEpoch,
CrosslinkDataRootHash32: params.BeaconConfig().ZeroHash[:],
}},
{Data: &pbp2p.AttestationData{
Slot: currentSlot,
JustifiedEpoch: expectedEpoch,
CrosslinkDataRootHash32: params.BeaconConfig().ZeroHash[:],
}},
}
if !reflect.DeepEqual(res.PendingAttestations, expectedAtts) {
t.Error("Did not receive expected attestations")
}
}
func TestPendingAttestations_OK(t *testing.T) {
db := internal.SetupDB(t)
defer internal.TeardownDB(t, db)
ctx := context.Background()
proposerServer := &ProposerServer{
operationService: &mockOperationService{},
chainService: &mockChainService{},
beaconDB: db,
}
beaconState := &pbp2p.BeaconState{
Slot: params.BeaconConfig().GenesisSlot +
params.BeaconConfig().SlotsPerEpoch +
params.BeaconConfig().MinAttestationInclusionDelay,
LatestCrosslinks: []*pbp2p.Crosslink{{Epoch: params.BeaconConfig().GenesisEpoch + 1,
CrosslinkDataRootHash32: params.BeaconConfig().ZeroHash[:]}},
}
if err := db.SaveState(ctx, beaconState); err != nil {
t.Fatal(err)
}
blk := &pbp2p.BeaconBlock{
Slot: beaconState.Slot,
}
if err := db.SaveBlock(blk); err != nil {
t.Fatalf("failed to save block %v", err)
}
if err := db.UpdateChainHead(ctx, blk, beaconState); err != nil {
t.Fatalf("couldnt update chainhead: %v", err)
}
res, err := proposerServer.PendingAttestations(context.Background(), &pb.PendingAttestationsRequest{
ProposalBlockSlot: blk.Slot + 1,
})
if err != nil {
t.Fatalf("Unexpected error fetching pending attestations: %v", err)
}
if len(res.PendingAttestations) == 0 {
t.Error("Expected pending attestations list to be non-empty")
}
}