prysm-pulse/beacon-chain/blockchain/process_attestation_test.go
Victor Farazdagi 748d513c62
proper error checking and type assertions (#5424)
* proper error checking and type assertions
2020-04-14 16:41:09 +00:00

440 lines
13 KiB
Go

package blockchain
import (
"context"
"reflect"
"strings"
"testing"
ethpb "github.com/prysmaticlabs/ethereumapis/eth/v1alpha1"
"github.com/prysmaticlabs/go-ssz"
"github.com/prysmaticlabs/prysm/beacon-chain/core/helpers"
"github.com/prysmaticlabs/prysm/beacon-chain/core/state"
testDB "github.com/prysmaticlabs/prysm/beacon-chain/db/testing"
"github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/protoarray"
beaconstate "github.com/prysmaticlabs/prysm/beacon-chain/state"
stateTrie "github.com/prysmaticlabs/prysm/beacon-chain/state"
pb "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
"github.com/prysmaticlabs/prysm/shared/bytesutil"
"github.com/prysmaticlabs/prysm/shared/params"
"github.com/prysmaticlabs/prysm/shared/testutil"
)
func TestStore_OnAttestation(t *testing.T) {
ctx := context.Background()
db := testDB.SetupDB(t)
defer testDB.TeardownDB(t, db)
cfg := &Config{BeaconDB: db, ForkChoiceStore: protoarray.New(0, 0, [32]byte{})}
service, err := NewService(ctx, cfg)
if err != nil {
t.Fatal(err)
}
_, err = blockTree1(db, []byte{'g'})
if err != nil {
t.Fatal(err)
}
BlkWithOutState := &ethpb.SignedBeaconBlock{Block: &ethpb.BeaconBlock{Slot: 0}}
if err := db.SaveBlock(ctx, BlkWithOutState); err != nil {
t.Fatal(err)
}
BlkWithOutStateRoot, err := ssz.HashTreeRoot(BlkWithOutState.Block)
if err != nil {
t.Fatal(err)
}
BlkWithStateBadAtt := &ethpb.SignedBeaconBlock{Block: &ethpb.BeaconBlock{Slot: 1}}
if err := db.SaveBlock(ctx, BlkWithStateBadAtt); err != nil {
t.Fatal(err)
}
BlkWithStateBadAttRoot, err := ssz.HashTreeRoot(BlkWithStateBadAtt.Block)
if err != nil {
t.Fatal(err)
}
s, err := beaconstate.InitializeFromProto(&pb.BeaconState{})
if err := s.SetSlot(100 * params.BeaconConfig().SlotsPerEpoch); err != nil {
t.Fatal(err)
}
if err := service.beaconDB.SaveState(ctx, s, BlkWithStateBadAttRoot); err != nil {
t.Fatal(err)
}
BlkWithValidState := &ethpb.SignedBeaconBlock{Block: &ethpb.BeaconBlock{Slot: 2}}
if err := db.SaveBlock(ctx, BlkWithValidState); err != nil {
t.Fatal(err)
}
BlkWithValidStateRoot, err := ssz.HashTreeRoot(BlkWithValidState.Block)
if err != nil {
t.Fatal(err)
}
s, err = stateTrie.InitializeFromProto(&pb.BeaconState{
Fork: &pb.Fork{
Epoch: 0,
CurrentVersion: params.BeaconConfig().GenesisForkVersion,
PreviousVersion: params.BeaconConfig().GenesisForkVersion,
},
RandaoMixes: make([][]byte, params.BeaconConfig().EpochsPerHistoricalVector),
})
if err != nil {
t.Fatal(err)
}
if err := service.beaconDB.SaveState(ctx, s, BlkWithValidStateRoot); err != nil {
t.Fatal(err)
}
tests := []struct {
name string
a *ethpb.Attestation
s *pb.BeaconState
wantErr bool
wantErrString string
}{
{
name: "attestation's data slot not aligned with target vote",
a: &ethpb.Attestation{Data: &ethpb.AttestationData{Slot: params.BeaconConfig().SlotsPerEpoch, Target: &ethpb.Checkpoint{}}},
s: &pb.BeaconState{},
wantErr: true,
wantErrString: "data slot is not in the same epoch as target 1 != 0",
},
{
name: "attestation's target root not in db",
a: &ethpb.Attestation{Data: &ethpb.AttestationData{Target: &ethpb.Checkpoint{Root: []byte{'A'}}}},
s: &pb.BeaconState{},
wantErr: true,
wantErrString: "target root does not exist in db",
},
{
name: "no pre state for attestations's target block",
a: &ethpb.Attestation{Data: &ethpb.AttestationData{Target: &ethpb.Checkpoint{Root: BlkWithOutStateRoot[:]}}},
s: &pb.BeaconState{},
wantErr: true,
wantErrString: "pre state of target block 0 does not exist",
},
{
name: "process attestation doesn't match current epoch",
a: &ethpb.Attestation{Data: &ethpb.AttestationData{Slot: 100 * params.BeaconConfig().SlotsPerEpoch, Target: &ethpb.Checkpoint{Epoch: 100,
Root: BlkWithStateBadAttRoot[:]}}},
s: &pb.BeaconState{Slot: 100 * params.BeaconConfig().SlotsPerEpoch},
wantErr: true,
wantErrString: "does not match current epoch",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
_, err := service.onAttestation(ctx, tt.a)
if tt.wantErr {
if !strings.Contains(err.Error(), tt.wantErrString) {
t.Errorf("Store.onAttestation() error = %v, wantErr = %v", err, tt.wantErrString)
}
} else {
t.Error(err)
}
})
}
}
func TestStore_SaveCheckpointState(t *testing.T) {
ctx := context.Background()
db := testDB.SetupDB(t)
defer testDB.TeardownDB(t, db)
params.UseDemoBeaconConfig()
cfg := &Config{BeaconDB: db}
service, err := NewService(ctx, cfg)
if err != nil {
t.Fatal(err)
}
s, err := stateTrie.InitializeFromProto(&pb.BeaconState{
Fork: &pb.Fork{
Epoch: 0,
CurrentVersion: params.BeaconConfig().GenesisForkVersion,
PreviousVersion: params.BeaconConfig().GenesisForkVersion,
},
RandaoMixes: make([][]byte, params.BeaconConfig().EpochsPerHistoricalVector),
StateRoots: make([][]byte, params.BeaconConfig().SlotsPerHistoricalRoot),
BlockRoots: make([][]byte, params.BeaconConfig().SlotsPerHistoricalRoot),
LatestBlockHeader: &ethpb.BeaconBlockHeader{},
JustificationBits: []byte{0},
Slashings: make([]uint64, params.BeaconConfig().EpochsPerSlashingsVector),
FinalizedCheckpoint: &ethpb.Checkpoint{Root: bytesutil.PadTo([]byte{'A'}, 32)},
Validators: []*ethpb.Validator{{PublicKey: bytesutil.PadTo([]byte("foo"), 48)}},
Balances: []uint64{0},
})
if err != nil {
t.Fatal(err)
}
r := [32]byte{'g'}
if err := service.beaconDB.SaveState(ctx, s, r); err != nil {
t.Fatal(err)
}
service.justifiedCheckpt = &ethpb.Checkpoint{Root: r[:]}
service.bestJustifiedCheckpt = &ethpb.Checkpoint{Root: r[:]}
service.finalizedCheckpt = &ethpb.Checkpoint{Root: r[:]}
service.prevFinalizedCheckpt = &ethpb.Checkpoint{Root: r[:]}
cp1 := &ethpb.Checkpoint{Epoch: 1, Root: bytesutil.PadTo([]byte{'A'}, 32)}
if err := service.beaconDB.SaveState(ctx, s, bytesutil.ToBytes32([]byte{'A'})); err != nil {
t.Fatal(err)
}
s1, err := service.getAttPreState(ctx, cp1)
if err != nil {
t.Fatal(err)
}
if s1.Slot() != 1*params.BeaconConfig().SlotsPerEpoch {
t.Errorf("Wanted state slot: %d, got: %d", 1*params.BeaconConfig().SlotsPerEpoch, s1.Slot())
}
cp2 := &ethpb.Checkpoint{Epoch: 2, Root: bytesutil.PadTo([]byte{'B'}, 32)}
if err := service.beaconDB.SaveState(ctx, s, bytesutil.ToBytes32([]byte{'B'})); err != nil {
t.Fatal(err)
}
s2, err := service.getAttPreState(ctx, cp2)
if err != nil {
t.Fatal(err)
}
if s2.Slot() != 2*params.BeaconConfig().SlotsPerEpoch {
t.Errorf("Wanted state slot: %d, got: %d", 2*params.BeaconConfig().SlotsPerEpoch, s2.Slot())
}
s1, err = service.getAttPreState(ctx, cp1)
if err != nil {
t.Fatal(err)
}
if s1.Slot() != 1*params.BeaconConfig().SlotsPerEpoch {
t.Errorf("Wanted state slot: %d, got: %d", 1*params.BeaconConfig().SlotsPerEpoch, s1.Slot())
}
s1, err = service.checkpointState.StateByCheckpoint(cp1)
if err != nil {
t.Fatal(err)
}
if s1.Slot() != 1*params.BeaconConfig().SlotsPerEpoch {
t.Errorf("Wanted state slot: %d, got: %d", 1*params.BeaconConfig().SlotsPerEpoch, s1.Slot())
}
s2, err = service.checkpointState.StateByCheckpoint(cp2)
if err != nil {
t.Fatal(err)
}
if s2.Slot() != 2*params.BeaconConfig().SlotsPerEpoch {
t.Errorf("Wanted state slot: %d, got: %d", 2*params.BeaconConfig().SlotsPerEpoch, s2.Slot())
}
if err := s.SetSlot(params.BeaconConfig().SlotsPerEpoch + 1); err != nil {
t.Fatal(err)
}
service.justifiedCheckpt = &ethpb.Checkpoint{Root: r[:]}
service.bestJustifiedCheckpt = &ethpb.Checkpoint{Root: r[:]}
service.finalizedCheckpt = &ethpb.Checkpoint{Root: r[:]}
service.prevFinalizedCheckpt = &ethpb.Checkpoint{Root: r[:]}
cp3 := &ethpb.Checkpoint{Epoch: 1, Root: bytesutil.PadTo([]byte{'C'}, 32)}
if err := service.beaconDB.SaveState(ctx, s, bytesutil.ToBytes32([]byte{'C'})); err != nil {
t.Fatal(err)
}
s3, err := service.getAttPreState(ctx, cp3)
if err != nil {
t.Fatal(err)
}
if s3.Slot() != s.Slot() {
t.Errorf("Wanted state slot: %d, got: %d", s.Slot(), s3.Slot())
}
}
func TestStore_UpdateCheckpointState(t *testing.T) {
ctx := context.Background()
db := testDB.SetupDB(t)
defer testDB.TeardownDB(t, db)
cfg := &Config{BeaconDB: db}
service, err := NewService(ctx, cfg)
if err != nil {
t.Fatal(err)
}
epoch := uint64(1)
baseState, _ := testutil.DeterministicGenesisState(t, 1)
if err := baseState.SetSlot(epoch * params.BeaconConfig().SlotsPerEpoch); err != nil {
t.Fatal(err)
}
checkpoint := &ethpb.Checkpoint{Epoch: epoch}
if err := service.beaconDB.SaveState(ctx, baseState, bytesutil.ToBytes32(checkpoint.Root)); err != nil {
t.Fatal(err)
}
returned, err := service.getAttPreState(ctx, checkpoint)
if err != nil {
t.Fatal(err)
}
if baseState.Slot() != returned.Slot() {
t.Error("Incorrectly returned base state")
}
cached, err := service.checkpointState.StateByCheckpoint(checkpoint)
if err != nil {
t.Fatal(err)
}
if cached == nil {
t.Error("State should have been cached")
}
epoch = uint64(2)
newCheckpoint := &ethpb.Checkpoint{Epoch: epoch}
if err := service.beaconDB.SaveState(ctx, baseState, bytesutil.ToBytes32(newCheckpoint.Root)); err != nil {
t.Fatal(err)
}
returned, err = service.getAttPreState(ctx, newCheckpoint)
if err != nil {
t.Fatal(err)
}
baseState, err = state.ProcessSlots(ctx, baseState, helpers.StartSlot(newCheckpoint.Epoch))
if err != nil {
t.Fatal(err)
}
if baseState.Slot() != returned.Slot() {
t.Error("Incorrectly returned base state")
}
cached, err = service.checkpointState.StateByCheckpoint(newCheckpoint)
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(returned, cached) {
t.Error("Incorrectly cached base state")
}
}
func TestAttEpoch_MatchPrevEpoch(t *testing.T) {
ctx := context.Background()
db := testDB.SetupDB(t)
defer testDB.TeardownDB(t, db)
cfg := &Config{BeaconDB: db}
service, err := NewService(ctx, cfg)
if err != nil {
t.Fatal(err)
}
if err := service.verifyAttTargetEpoch(
ctx,
0,
params.BeaconConfig().SlotsPerEpoch*params.BeaconConfig().SecondsPerSlot,
&ethpb.Checkpoint{}); err != nil {
t.Error(err)
}
}
func TestAttEpoch_MatchCurrentEpoch(t *testing.T) {
ctx := context.Background()
db := testDB.SetupDB(t)
defer testDB.TeardownDB(t, db)
cfg := &Config{BeaconDB: db}
service, err := NewService(ctx, cfg)
if err != nil {
t.Fatal(err)
}
if err := service.verifyAttTargetEpoch(
ctx,
0,
params.BeaconConfig().SlotsPerEpoch*params.BeaconConfig().SecondsPerSlot,
&ethpb.Checkpoint{Epoch: 1}); err != nil {
t.Error(err)
}
}
func TestAttEpoch_NotMatch(t *testing.T) {
ctx := context.Background()
db := testDB.SetupDB(t)
defer testDB.TeardownDB(t, db)
cfg := &Config{BeaconDB: db}
service, err := NewService(ctx, cfg)
if err != nil {
t.Fatal(err)
}
if err := service.verifyAttTargetEpoch(
ctx,
0,
2*params.BeaconConfig().SlotsPerEpoch*params.BeaconConfig().SecondsPerSlot,
&ethpb.Checkpoint{}); !strings.Contains(err.Error(),
"target epoch 0 does not match current epoch 2 or prev epoch 1") {
t.Error("Did not receive wanted error")
}
}
func TestVerifyBeaconBlock_NoBlock(t *testing.T) {
ctx := context.Background()
db := testDB.SetupDB(t)
defer testDB.TeardownDB(t, db)
cfg := &Config{BeaconDB: db}
service, err := NewService(ctx, cfg)
if err != nil {
t.Fatal(err)
}
d := &ethpb.AttestationData{}
if err := service.verifyBeaconBlock(ctx, d); !strings.Contains(err.Error(), "beacon block does not exist") {
t.Error("Did not receive the wanted error")
}
}
func TestVerifyBeaconBlock_futureBlock(t *testing.T) {
ctx := context.Background()
db := testDB.SetupDB(t)
defer testDB.TeardownDB(t, db)
cfg := &Config{BeaconDB: db}
service, err := NewService(ctx, cfg)
if err != nil {
t.Fatal(err)
}
b := &ethpb.SignedBeaconBlock{Block: &ethpb.BeaconBlock{Slot: 2}}
if err := service.beaconDB.SaveBlock(ctx, b); err != nil {
t.Fatal(err)
}
r, err := ssz.HashTreeRoot(b.Block)
if err != nil {
t.Fatal(err)
}
d := &ethpb.AttestationData{Slot: 1, BeaconBlockRoot: r[:]}
err = service.verifyBeaconBlock(ctx, d)
if err == nil || !strings.Contains(err.Error(), "could not process attestation for future block") {
t.Error("Did not receive the wanted error")
}
}
func TestVerifyBeaconBlock_OK(t *testing.T) {
ctx := context.Background()
db := testDB.SetupDB(t)
defer testDB.TeardownDB(t, db)
cfg := &Config{BeaconDB: db}
service, err := NewService(ctx, cfg)
if err != nil {
t.Fatal(err)
}
b := &ethpb.SignedBeaconBlock{Block: &ethpb.BeaconBlock{Slot: 2}}
if err := service.beaconDB.SaveBlock(ctx, b); err != nil {
t.Fatal(err)
}
r, err := ssz.HashTreeRoot(b.Block)
if err != nil {
t.Fatal(err)
}
d := &ethpb.AttestationData{Slot: 2, BeaconBlockRoot: r[:]}
if err := service.verifyBeaconBlock(ctx, d); err != nil {
t.Error("Did not receive the wanted error")
}
}