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prysm-pulse/beacon-chain/blockchain/process_attestation_test.go
terence 8f5ae760ee
Add concurrency test for getting attestation state (#13196) 
Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2023-11-16 17:52:59 +00:00

406 lines
16 KiB
Go
Raw Blame History

package blockchain
import (
"context"
"sync"
"testing"
"time"
"github.com/prysmaticlabs/prysm/v4/beacon-chain/core/transition"
fieldparams "github.com/prysmaticlabs/prysm/v4/config/fieldparams"
"github.com/prysmaticlabs/prysm/v4/config/params"
"github.com/prysmaticlabs/prysm/v4/consensus-types/primitives"
"github.com/prysmaticlabs/prysm/v4/encoding/bytesutil"
ethpb "github.com/prysmaticlabs/prysm/v4/proto/prysm/v1alpha1"
"github.com/prysmaticlabs/prysm/v4/testing/assert"
"github.com/prysmaticlabs/prysm/v4/testing/require"
"github.com/prysmaticlabs/prysm/v4/testing/util"
"github.com/prysmaticlabs/prysm/v4/time/slots"
)
func TestStore_OnAttestation_ErrorConditions(t *testing.T) {
service, tr := minimalTestService(t)
ctx, beaconDB := tr.ctx, tr.db
_, err := blockTree1(t, beaconDB, []byte{'g'})
require.NoError(t, err)
blkWithoutState := util.NewBeaconBlock()
blkWithoutState.Block.Slot = 0
util.SaveBlock(t, ctx, beaconDB, blkWithoutState)
cp := &ethpb.Checkpoint{}
st, blkRoot, err := prepareForkchoiceState(ctx, 0, [32]byte{}, [32]byte{}, params.BeaconConfig().ZeroHash, cp, cp)
require.NoError(t, err)
require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, st, blkRoot))
blkWithStateBadAtt := util.NewBeaconBlock()
blkWithStateBadAtt.Block.Slot = 1
r, err := blkWithStateBadAtt.Block.HashTreeRoot()
require.NoError(t, err)
cp = &ethpb.Checkpoint{Root: r[:]}
st, blkRoot, err = prepareForkchoiceState(ctx, blkWithStateBadAtt.Block.Slot, r, [32]byte{}, params.BeaconConfig().ZeroHash, cp, cp)
require.NoError(t, err)
require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, st, blkRoot))
util.SaveBlock(t, ctx, beaconDB, blkWithStateBadAtt)
BlkWithStateBadAttRoot, err := blkWithStateBadAtt.Block.HashTreeRoot()
require.NoError(t, err)
s, err := util.NewBeaconState()
require.NoError(t, err)
require.NoError(t, s.SetSlot(100*params.BeaconConfig().SlotsPerEpoch))
require.NoError(t, service.cfg.BeaconDB.SaveState(ctx, s, BlkWithStateBadAttRoot))
blkWithValidState := util.NewBeaconBlock()
blkWithValidState.Block.Slot = 32
util.SaveBlock(t, ctx, beaconDB, blkWithValidState)
blkWithValidStateRoot, err := blkWithValidState.Block.HashTreeRoot()
require.NoError(t, err)
s, err = util.NewBeaconState()
require.NoError(t, err)
err = s.SetFork(&ethpb.Fork{
Epoch: 0,
CurrentVersion: params.BeaconConfig().GenesisForkVersion,
PreviousVersion: params.BeaconConfig().GenesisForkVersion,
})
require.NoError(t, err)
require.NoError(t, service.cfg.BeaconDB.SaveState(ctx, s, blkWithValidStateRoot))
service.head = &head{
state: st,
}
tests := []struct {
name string
a *ethpb.Attestation
wantedErr string
}{
{
name: "attestation's data slot not aligned with target vote",
a: util.HydrateAttestation(&ethpb.Attestation{Data: &ethpb.AttestationData{Slot: params.BeaconConfig().SlotsPerEpoch, Target: &ethpb.Checkpoint{Root: make([]byte, 32)}}}),
wantedErr: "slot 32 does not match target epoch 0",
},
{
name: "process attestation doesn't match current epoch",
a: util.HydrateAttestation(&ethpb.Attestation{Data: &ethpb.AttestationData{Slot: 100 * params.BeaconConfig().SlotsPerEpoch, Target: &ethpb.Checkpoint{Epoch: 100,
Root: BlkWithStateBadAttRoot[:]}}}),
wantedErr: "target epoch 100 does not match current epoch",
},
{
name: "process nil attestation",
a: nil,
wantedErr: "attestation can't be nil",
},
{
name: "process nil field (a.Data) in attestation",
a: &ethpb.Attestation{},
wantedErr: "attestation's data can't be nil",
},
{
name: "process nil field (a.Target) in attestation",
a: &ethpb.Attestation{
Data: &ethpb.AttestationData{
BeaconBlockRoot: make([]byte, fieldparams.RootLength),
Target: nil,
Source: &ethpb.Checkpoint{Root: make([]byte, fieldparams.RootLength)},
},
AggregationBits: make([]byte, 1),
Signature: make([]byte, 96),
},
wantedErr: "attestation's target can't be nil",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
err := service.OnAttestation(ctx, tt.a, 0)
if tt.wantedErr != "" {
assert.ErrorContains(t, tt.wantedErr, err)
} else {
assert.NoError(t, err)
}
})
}
}
func TestStore_OnAttestation_Ok_DoublyLinkedTree(t *testing.T) {
service, tr := minimalTestService(t)
ctx := tr.ctx
genesisState, pks := util.DeterministicGenesisState(t, 64)
service.SetGenesisTime(time.Unix(time.Now().Unix()-int64(params.BeaconConfig().SecondsPerSlot), 0))
require.NoError(t, service.saveGenesisData(ctx, genesisState))
att, err := util.GenerateAttestations(genesisState, pks, 1, 0, false)
require.NoError(t, err)
tRoot := bytesutil.ToBytes32(att[0].Data.Target.Root)
copied := genesisState.Copy()
copied, err = transition.ProcessSlots(ctx, copied, 1)
require.NoError(t, err)
require.NoError(t, service.cfg.BeaconDB.SaveState(ctx, copied, tRoot))
ojc := &ethpb.Checkpoint{Epoch: 0, Root: tRoot[:]}
ofc := &ethpb.Checkpoint{Epoch: 0, Root: tRoot[:]}
state, blkRoot, err := prepareForkchoiceState(ctx, 0, tRoot, tRoot, params.BeaconConfig().ZeroHash, ojc, ofc)
require.NoError(t, err)
require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, state, blkRoot))
require.NoError(t, service.OnAttestation(ctx, att[0], 0))
}
func TestService_GetAttPreState_Concurrency(t *testing.T) {
service, _ := minimalTestService(t)
ctx := context.Background()
s, err := util.NewBeaconState()
require.NoError(t, err)
ckRoot := bytesutil.PadTo([]byte{'A'}, fieldparams.RootLength)
err = s.SetFinalizedCheckpoint(&ethpb.Checkpoint{Root: ckRoot})
require.NoError(t, err)
val := &ethpb.Validator{PublicKey: bytesutil.PadTo([]byte("foo"), 48), WithdrawalCredentials: bytesutil.PadTo([]byte("bar"), fieldparams.RootLength)}
err = s.SetValidators([]*ethpb.Validator{val})
require.NoError(t, err)
err = s.SetBalances([]uint64{0})
require.NoError(t, err)
r := [32]byte{'g'}
require.NoError(t, service.cfg.BeaconDB.SaveState(ctx, s, r))
cp1 := &ethpb.Checkpoint{Epoch: 1, Root: ckRoot}
require.NoError(t, service.cfg.BeaconDB.SaveState(ctx, s, bytesutil.ToBytes32([]byte{'A'})))
require.NoError(t, service.cfg.BeaconDB.SaveStateSummary(ctx, &ethpb.StateSummary{Root: ckRoot}))
st, root, err := prepareForkchoiceState(ctx, 100, [32]byte(cp1.Root), [32]byte{}, [32]byte{'R'}, cp1, cp1)
require.NoError(t, err)
require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, st, root))
var wg sync.WaitGroup
errChan := make(chan error, 1000)
for i := 0; i < 1000; i++ {
wg.Add(1)
go func() {
defer wg.Done()
cp1 := &ethpb.Checkpoint{Epoch: 1, Root: ckRoot}
_, err := service.getAttPreState(ctx, cp1)
if err != nil {
errChan <- err
}
}()
}
go func() {
wg.Wait()
close(errChan)
}()
select {
case <-time.After(10 * time.Second):
t.Fatal("Test timed out")
case err, ok := <-errChan:
if ok && err != nil {
require.ErrorContains(t, "not a checkpoint in forkchoice", err)
}
}
}
func TestStore_SaveCheckpointState(t *testing.T) {
service, tr := minimalTestService(t)
ctx := tr.ctx
s, err := util.NewBeaconState()
require.NoError(t, err)
err = s.SetFinalizedCheckpoint(&ethpb.Checkpoint{Root: bytesutil.PadTo([]byte{'A'}, fieldparams.RootLength)})
require.NoError(t, err)
val := &ethpb.Validator{
PublicKey: bytesutil.PadTo([]byte("foo"), 48),
WithdrawalCredentials: bytesutil.PadTo([]byte("bar"), fieldparams.RootLength),
}
err = s.SetValidators([]*ethpb.Validator{val})
require.NoError(t, err)
err = s.SetBalances([]uint64{0})
require.NoError(t, err)
r := [32]byte{'g'}
require.NoError(t, service.cfg.BeaconDB.SaveState(ctx, s, r))
cp1 := &ethpb.Checkpoint{Epoch: 1, Root: bytesutil.PadTo([]byte{'A'}, fieldparams.RootLength)}
require.NoError(t, service.cfg.BeaconDB.SaveState(ctx, s, bytesutil.ToBytes32([]byte{'A'})))
require.NoError(t, service.cfg.BeaconDB.SaveStateSummary(ctx, &ethpb.StateSummary{Root: bytesutil.PadTo([]byte{'A'}, fieldparams.RootLength)}))
st, root, err := prepareForkchoiceState(ctx, 1, [32]byte(cp1.Root), [32]byte{}, [32]byte{'R'}, cp1, cp1)
require.NoError(t, err)
require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, st, root))
s1, err := service.getAttPreState(ctx, cp1)
require.NoError(t, err)
assert.Equal(t, 1*params.BeaconConfig().SlotsPerEpoch, s1.Slot(), "Unexpected state slot")
cp2 := &ethpb.Checkpoint{Epoch: 2, Root: bytesutil.PadTo([]byte{'B'}, fieldparams.RootLength)}
require.NoError(t, service.cfg.BeaconDB.SaveState(ctx, s, bytesutil.ToBytes32([]byte{'B'})))
require.NoError(t, service.cfg.BeaconDB.SaveStateSummary(ctx, &ethpb.StateSummary{Root: bytesutil.PadTo([]byte{'B'}, fieldparams.RootLength)}))
s2, err := service.getAttPreState(ctx, cp2)
require.ErrorContains(t, "epoch 2 root 0x4200000000000000000000000000000000000000000000000000000000000000: not a checkpoint in forkchoice", err)
st, root, err = prepareForkchoiceState(ctx, 33, [32]byte(cp2.Root), [32]byte(cp1.Root), [32]byte{'R'}, cp2, cp2)
require.NoError(t, err)
require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, st, root))
s2, err = service.getAttPreState(ctx, cp2)
require.NoError(t, err)
assert.Equal(t, 2*params.BeaconConfig().SlotsPerEpoch, s2.Slot(), "Unexpected state slot")
s1, err = service.getAttPreState(ctx, cp1)
require.NoError(t, err)
assert.Equal(t, 1*params.BeaconConfig().SlotsPerEpoch, s1.Slot(), "Unexpected state slot")
s1, err = service.checkpointStateCache.StateByCheckpoint(cp1)
require.NoError(t, err)
assert.Equal(t, 1*params.BeaconConfig().SlotsPerEpoch, s1.Slot(), "Unexpected state slot")
s2, err = service.checkpointStateCache.StateByCheckpoint(cp2)
require.NoError(t, err)
assert.Equal(t, 2*params.BeaconConfig().SlotsPerEpoch, s2.Slot(), "Unexpected state slot")
require.NoError(t, s.SetSlot(params.BeaconConfig().SlotsPerEpoch+1))
cp3 := &ethpb.Checkpoint{Epoch: 1, Root: bytesutil.PadTo([]byte{'C'}, fieldparams.RootLength)}
require.NoError(t, service.cfg.BeaconDB.SaveState(ctx, s, bytesutil.ToBytes32([]byte{'C'})))
require.NoError(t, service.cfg.BeaconDB.SaveStateSummary(ctx, &ethpb.StateSummary{Root: bytesutil.PadTo([]byte{'C'}, fieldparams.RootLength)}))
st, root, err = prepareForkchoiceState(ctx, 31, [32]byte(cp3.Root), [32]byte(cp2.Root), [32]byte{'P'}, cp2, cp2)
require.NoError(t, err)
require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, st, root))
s3, err := service.getAttPreState(ctx, cp3)
require.NoError(t, err)
assert.Equal(t, s.Slot(), s3.Slot(), "Unexpected state slot")
}
func TestStore_UpdateCheckpointState(t *testing.T) {
service, tr := minimalTestService(t)
ctx := tr.ctx
baseState, _ := util.DeterministicGenesisState(t, 1)
epoch := primitives.Epoch(1)
blk := util.NewBeaconBlock()
r1, err := blk.Block.HashTreeRoot()
require.NoError(t, err)
checkpoint := &ethpb.Checkpoint{Epoch: epoch, Root: r1[:]}
require.NoError(t, service.cfg.BeaconDB.SaveState(ctx, baseState, bytesutil.ToBytes32(checkpoint.Root)))
st, blkRoot, err := prepareForkchoiceState(ctx, blk.Block.Slot, r1, [32]byte{}, params.BeaconConfig().ZeroHash, checkpoint, checkpoint)
require.NoError(t, err)
require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, st, blkRoot))
require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, st, r1))
returned, err := service.getAttPreState(ctx, checkpoint)
require.NoError(t, err)
assert.Equal(t, params.BeaconConfig().SlotsPerEpoch.Mul(uint64(checkpoint.Epoch)), returned.Slot(), "Incorrectly returned base state")
cached, err := service.checkpointStateCache.StateByCheckpoint(checkpoint)
require.NoError(t, err)
assert.Equal(t, returned.Slot(), cached.Slot(), "State should have been cached")
epoch = 2
blk = util.NewBeaconBlock()
blk.Block.Slot = 64
r2, err := blk.Block.HashTreeRoot()
require.NoError(t, err)
newCheckpoint := &ethpb.Checkpoint{Epoch: epoch, Root: r2[:]}
require.NoError(t, service.cfg.BeaconDB.SaveState(ctx, baseState, bytesutil.ToBytes32(newCheckpoint.Root)))
st, blkRoot, err = prepareForkchoiceState(ctx, blk.Block.Slot, r2, r1, params.BeaconConfig().ZeroHash, newCheckpoint, newCheckpoint)
require.NoError(t, err)
require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, st, blkRoot))
require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, st, r2))
returned, err = service.getAttPreState(ctx, newCheckpoint)
require.NoError(t, err)
s, err := slots.EpochStart(newCheckpoint.Epoch)
require.NoError(t, err)
baseState, err = transition.ProcessSlots(ctx, baseState, s)
require.NoError(t, err)
assert.Equal(t, returned.Slot(), baseState.Slot(), "Incorrectly returned base state")
cached, err = service.checkpointStateCache.StateByCheckpoint(newCheckpoint)
require.NoError(t, err)
require.DeepSSZEqual(t, returned.ToProtoUnsafe(), cached.ToProtoUnsafe())
}
func TestAttEpoch_MatchPrevEpoch(t *testing.T) {
ctx := context.Background()
nowTime := uint64(params.BeaconConfig().SlotsPerEpoch) * params.BeaconConfig().SecondsPerSlot
require.NoError(t, verifyAttTargetEpoch(ctx, 0, nowTime, &ethpb.Checkpoint{Root: make([]byte, fieldparams.RootLength)}))
}
func TestAttEpoch_MatchCurrentEpoch(t *testing.T) {
ctx := context.Background()
nowTime := uint64(params.BeaconConfig().SlotsPerEpoch) * params.BeaconConfig().SecondsPerSlot
require.NoError(t, verifyAttTargetEpoch(ctx, 0, nowTime, &ethpb.Checkpoint{Epoch: 1}))
}
func TestAttEpoch_NotMatch(t *testing.T) {
ctx := context.Background()
nowTime := 2 * uint64(params.BeaconConfig().SlotsPerEpoch) * params.BeaconConfig().SecondsPerSlot
err := verifyAttTargetEpoch(ctx, 0, nowTime, &ethpb.Checkpoint{Root: make([]byte, fieldparams.RootLength)})
assert.ErrorContains(t, "target epoch 0 does not match current epoch 2 or prev epoch 1", err)
}
func TestVerifyBeaconBlock_NoBlock(t *testing.T) {
ctx := context.Background()
opts := testServiceOptsWithDB(t)
service, err := NewService(ctx, opts...)
require.NoError(t, err)
d := util.HydrateAttestationData(&ethpb.AttestationData{})
require.Equal(t, errBlockNotFoundInCacheOrDB, service.verifyBeaconBlock(ctx, d))
}
func TestVerifyBeaconBlock_futureBlock(t *testing.T) {
ctx := context.Background()
opts := testServiceOptsWithDB(t)
service, err := NewService(ctx, opts...)
require.NoError(t, err)
b := util.NewBeaconBlock()
b.Block.Slot = 2
util.SaveBlock(t, ctx, service.cfg.BeaconDB, b)
r, err := b.Block.HashTreeRoot()
require.NoError(t, err)
d := &ethpb.AttestationData{Slot: 1, BeaconBlockRoot: r[:]}
assert.ErrorContains(t, "could not process attestation for future block", service.verifyBeaconBlock(ctx, d))
}
func TestVerifyBeaconBlock_OK(t *testing.T) {
ctx := context.Background()
opts := testServiceOptsWithDB(t)
service, err := NewService(ctx, opts...)
require.NoError(t, err)
b := util.NewBeaconBlock()
b.Block.Slot = 2
util.SaveBlock(t, ctx, service.cfg.BeaconDB, b)
r, err := b.Block.HashTreeRoot()
require.NoError(t, err)
d := &ethpb.AttestationData{Slot: 2, BeaconBlockRoot: r[:]}
assert.NoError(t, service.verifyBeaconBlock(ctx, d), "Did not receive the wanted error")
}
func TestGetAttPreState_HeadState(t *testing.T) {
service, tr := minimalTestService(t)
ctx := tr.ctx
baseState, _ := util.DeterministicGenesisState(t, 1)
epoch := primitives.Epoch(1)
blk := util.NewBeaconBlock()
r1, err := blk.Block.HashTreeRoot()
require.NoError(t, err)
checkpoint := &ethpb.Checkpoint{Epoch: epoch, Root: r1[:]}
require.NoError(t, service.cfg.BeaconDB.SaveState(ctx, baseState, bytesutil.ToBytes32(checkpoint.Root)))
require.NoError(t, transition.UpdateNextSlotCache(ctx, checkpoint.Root, baseState))
_, err = service.getAttPreState(ctx, checkpoint)
require.NoError(t, err)
st, err := service.checkpointStateCache.StateByCheckpoint(checkpoint)
require.NoError(t, err)
require.Equal(t, params.BeaconConfig().SlotsPerEpoch, st.Slot())
}
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