prysm-pulse/beacon-chain/db/kv/state_test.go
Mohamed Zahoor 239d904d27
Fix memory usability (#9310)
* fix cache usability

* fix the name of the prometheus flag

Co-authored-by: Raul Jordan <raul@prysmaticlabs.com>
2021-08-04 02:33:28 +00:00

696 lines
23 KiB
Go

package kv
import (
"context"
"encoding/binary"
"math/rand"
"testing"
"time"
types "github.com/prysmaticlabs/eth2-types"
"github.com/prysmaticlabs/prysm/beacon-chain/state"
ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
v1alpha "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
"github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1/block"
"github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1/wrapper"
"github.com/prysmaticlabs/prysm/shared/bytesutil"
"github.com/prysmaticlabs/prysm/shared/featureconfig"
"github.com/prysmaticlabs/prysm/shared/params"
"github.com/prysmaticlabs/prysm/shared/testutil"
"github.com/prysmaticlabs/prysm/shared/testutil/assert"
"github.com/prysmaticlabs/prysm/shared/testutil/require"
bolt "go.etcd.io/bbolt"
)
func TestState_CanSaveRetrieve(t *testing.T) {
db := setupDB(t)
r := [32]byte{'A'}
require.Equal(t, false, db.HasState(context.Background(), r))
st, err := testutil.NewBeaconState()
require.NoError(t, err)
require.NoError(t, st.SetSlot(100))
require.NoError(t, db.SaveState(context.Background(), st, r))
assert.Equal(t, true, db.HasState(context.Background(), r))
savedS, err := db.State(context.Background(), r)
require.NoError(t, err)
require.DeepSSZEqual(t, st.InnerStateUnsafe(), savedS.InnerStateUnsafe(), "saved state and retrieved state are not matching")
savedS, err = db.State(context.Background(), [32]byte{'B'})
require.NoError(t, err)
assert.Equal(t, state.ReadOnlyBeaconState(nil), savedS, "Unsaved state should've been nil")
}
func TestState_CanSaveRetrieveValidatorEntries(t *testing.T) {
db := setupDB(t)
// enable historical state representation flag to test this
resetCfg := featureconfig.InitWithReset(&featureconfig.Flags{
EnableHistoricalSpaceRepresentation: true,
})
defer resetCfg()
r := [32]byte{'A'}
require.Equal(t, false, db.HasState(context.Background(), r))
stateValidators := validators(10)
st, err := testutil.NewBeaconState()
require.NoError(t, err)
require.NoError(t, st.SetSlot(100))
require.NoError(t, st.SetValidators(stateValidators))
ctx := context.Background()
require.NoError(t, db.SaveState(ctx, st, r))
assert.Equal(t, true, db.HasState(context.Background(), r))
savedS, err := db.State(context.Background(), r)
require.NoError(t, err)
require.DeepSSZEqual(t, st.InnerStateUnsafe(), savedS.InnerStateUnsafe(), "saved state with validators and retrieved state are not matching")
// check if the index of the second state is still present.
err = db.db.Update(func(tx *bolt.Tx) error {
idxBkt := tx.Bucket(blockRootValidatorHashesBucket)
data := idxBkt.Get(r[:])
require.NotEqual(t, 0, len(data))
return nil
})
require.NoError(t, err)
// check if all the validator entries are still intact in the validator entry bucket.
err = db.db.Update(func(tx *bolt.Tx) error {
valBkt := tx.Bucket(stateValidatorsBucket)
// if any of the original validator entry is not present, then fail the test.
for _, val := range stateValidators {
hash, hashErr := val.HashTreeRoot()
assert.NoError(t, hashErr)
data := valBkt.Get(hash[:])
require.NotNil(t, data)
require.NotEqual(t, 0, len(data))
}
return nil
})
require.NoError(t, err)
}
func TestState_CanSaveRetrieveValidatorEntriesFromCache(t *testing.T) {
db := setupDB(t)
// enable historical state representation flag to test this
resetCfg := featureconfig.InitWithReset(&featureconfig.Flags{
EnableHistoricalSpaceRepresentation: true,
})
defer resetCfg()
r := [32]byte{'A'}
require.Equal(t, false, db.HasState(context.Background(), r))
stateValidators := validators(10)
st, err := testutil.NewBeaconState()
require.NoError(t, err)
require.NoError(t, st.SetSlot(100))
require.NoError(t, st.SetValidators(stateValidators))
ctx := context.Background()
require.NoError(t, db.SaveState(ctx, st, r))
assert.Equal(t, true, db.HasState(context.Background(), r))
// check if the state is in cache
for i := 0; i < len(stateValidators); i++ {
hash, hashErr := stateValidators[i].HashTreeRoot()
assert.NoError(t, hashErr)
data, ok := db.validatorEntryCache.Get(string(hash[:]))
assert.Equal(t, true, ok)
require.NotNil(t, data)
valEntry, vType := data.(*v1alpha.Validator)
assert.Equal(t, true, vType)
require.NotNil(t, valEntry)
require.DeepSSZEqual(t, stateValidators[i], valEntry, "validator entry is not matching")
}
// check if all the validator entries are still intact in the validator entry bucket.
err = db.db.Update(func(tx *bolt.Tx) error {
valBkt := tx.Bucket(stateValidatorsBucket)
// if any of the original validator entry is not present, then fail the test.
for _, val := range stateValidators {
hash, hashErr := val.HashTreeRoot()
assert.NoError(t, hashErr)
data := valBkt.Get(hash[:])
require.NotNil(t, data)
require.NotEqual(t, 0, len(data))
}
return nil
})
require.NoError(t, err)
}
func TestState_CanSaveRetrieveValidatorEntriesWithoutCache(t *testing.T) {
db := setupDB(t)
// enable historical state representation flag to test this
resetCfg := featureconfig.InitWithReset(&featureconfig.Flags{
EnableHistoricalSpaceRepresentation: true,
})
defer resetCfg()
r := [32]byte{'A'}
require.Equal(t, false, db.HasState(context.Background(), r))
stateValidators := validators(10)
st, err := testutil.NewBeaconState()
require.NoError(t, err)
require.NoError(t, st.SetSlot(100))
require.NoError(t, st.SetValidators(stateValidators))
ctx := context.Background()
require.NoError(t, db.SaveState(ctx, st, r))
assert.Equal(t, true, db.HasState(context.Background(), r))
db.validatorEntryCache.Clear()
savedS, err := db.State(context.Background(), r)
require.NoError(t, err)
require.DeepSSZEqual(t, st.InnerStateUnsafe(), savedS.InnerStateUnsafe(), "saved state with validators and retrieved state are not matching")
// check if the index of the second state is still present.
err = db.db.Update(func(tx *bolt.Tx) error {
idxBkt := tx.Bucket(blockRootValidatorHashesBucket)
data := idxBkt.Get(r[:])
require.NotEqual(t, 0, len(data))
return nil
})
require.NoError(t, err)
// check if all the validator entries are still intact in the validator entry bucket.
err = db.db.Update(func(tx *bolt.Tx) error {
valBkt := tx.Bucket(stateValidatorsBucket)
// if any of the original validator entry is not present, then fail the test.
for _, val := range stateValidators {
hash, hashErr := val.HashTreeRoot()
assert.NoError(t, hashErr)
data := valBkt.Get(hash[:])
require.NotNil(t, data)
require.NotEqual(t, 0, len(data))
}
return nil
})
require.NoError(t, err)
}
func TestState_DeleteState(t *testing.T) {
db := setupDB(t)
// enable historical state representation flag to test this
resetCfg := featureconfig.InitWithReset(&featureconfig.Flags{
EnableHistoricalSpaceRepresentation: true,
})
defer resetCfg()
r1 := [32]byte{'A'}
r2 := [32]byte{'B'}
require.Equal(t, false, db.HasState(context.Background(), r1))
require.Equal(t, false, db.HasState(context.Background(), r2))
// create two states with the same set of validators.
stateValidators := validators(10)
st1, err := testutil.NewBeaconState()
require.NoError(t, err)
require.NoError(t, st1.SetSlot(100))
require.NoError(t, st1.SetValidators(stateValidators))
st2, err := testutil.NewBeaconState()
require.NoError(t, err)
require.NoError(t, st2.SetSlot(101))
require.NoError(t, st2.SetValidators(stateValidators))
// save both the states.
ctx := context.Background()
require.NoError(t, db.SaveState(ctx, st1, r1))
require.NoError(t, db.SaveState(ctx, st2, r2))
// delete the first state.
var deleteBlockRoots [][32]byte
deleteBlockRoots = append(deleteBlockRoots, r1)
require.NoError(t, db.DeleteStates(ctx, deleteBlockRoots))
// check if the validator entries of this state is removed from cache.
for _, val := range stateValidators {
hash, hashErr := val.HashTreeRoot()
assert.NoError(t, hashErr)
v, found := db.validatorEntryCache.Get(hash[:])
require.Equal(t, false, found)
require.Equal(t, nil, v)
}
// check if the index of the first state is deleted.
err = db.db.Update(func(tx *bolt.Tx) error {
idxBkt := tx.Bucket(blockRootValidatorHashesBucket)
data := idxBkt.Get(r1[:])
require.Equal(t, 0, len(data))
return nil
})
require.NoError(t, err)
// check if the index of the second state is still present.
err = db.db.Update(func(tx *bolt.Tx) error {
idxBkt := tx.Bucket(blockRootValidatorHashesBucket)
data := idxBkt.Get(r2[:])
require.NotEqual(t, 0, len(data))
return nil
})
require.NoError(t, err)
// check if all the validator entries are still intact in the validator entry bucket.
err = db.db.Update(func(tx *bolt.Tx) error {
valBkt := tx.Bucket(stateValidatorsBucket)
// if any of the original validator entry is not present, then fail the test.
for _, val := range stateValidators {
hash, hashErr := val.HashTreeRoot()
assert.NoError(t, hashErr)
data := valBkt.Get(hash[:])
require.NotNil(t, data)
require.NotEqual(t, 0, len(data))
}
return nil
})
require.NoError(t, err)
}
func TestGenesisState_CanSaveRetrieve(t *testing.T) {
db := setupDB(t)
headRoot := [32]byte{'B'}
st, err := testutil.NewBeaconState()
require.NoError(t, err)
require.NoError(t, st.SetSlot(1))
require.NoError(t, db.SaveGenesisBlockRoot(context.Background(), headRoot))
require.NoError(t, db.SaveState(context.Background(), st, headRoot))
savedGenesisS, err := db.GenesisState(context.Background())
require.NoError(t, err)
assert.DeepSSZEqual(t, st.InnerStateUnsafe(), savedGenesisS.InnerStateUnsafe(), "Did not retrieve saved state")
require.NoError(t, db.SaveGenesisBlockRoot(context.Background(), [32]byte{'C'}))
}
func TestStore_StatesBatchDelete(t *testing.T) {
db := setupDB(t)
ctx := context.Background()
numBlocks := 100
totalBlocks := make([]block.SignedBeaconBlock, numBlocks)
blockRoots := make([][32]byte, 0)
evenBlockRoots := make([][32]byte, 0)
for i := 0; i < len(totalBlocks); i++ {
b := testutil.NewBeaconBlock()
b.Block.Slot = types.Slot(i)
totalBlocks[i] = wrapper.WrappedPhase0SignedBeaconBlock(b)
r, err := totalBlocks[i].Block().HashTreeRoot()
require.NoError(t, err)
st, err := testutil.NewBeaconState()
require.NoError(t, err)
require.NoError(t, st.SetSlot(types.Slot(i)))
require.NoError(t, db.SaveState(context.Background(), st, r))
blockRoots = append(blockRoots, r)
if i%2 == 0 {
evenBlockRoots = append(evenBlockRoots, r)
}
}
require.NoError(t, db.SaveBlocks(ctx, totalBlocks))
// We delete all even indexed states.
require.NoError(t, db.DeleteStates(ctx, evenBlockRoots))
// When we retrieve the data, only the odd indexed state should remain.
for _, r := range blockRoots {
s, err := db.State(context.Background(), r)
require.NoError(t, err)
if s == nil {
continue
}
assert.Equal(t, types.Slot(1), s.Slot()%2, "State with slot %d should have been deleted", s.Slot())
}
}
func TestStore_DeleteGenesisState(t *testing.T) {
db := setupDB(t)
ctx := context.Background()
genesisBlockRoot := [32]byte{'A'}
require.NoError(t, db.SaveGenesisBlockRoot(ctx, genesisBlockRoot))
st, err := testutil.NewBeaconState()
require.NoError(t, err)
require.NoError(t, st.SetSlot(100))
require.NoError(t, db.SaveState(ctx, st, genesisBlockRoot))
wantedErr := "cannot delete genesis, finalized, or head state"
assert.ErrorContains(t, wantedErr, db.DeleteState(ctx, genesisBlockRoot))
}
func TestStore_DeleteFinalizedState(t *testing.T) {
db := setupDB(t)
ctx := context.Background()
genesis := bytesutil.ToBytes32([]byte{'G', 'E', 'N', 'E', 'S', 'I', 'S'})
require.NoError(t, db.SaveGenesisBlockRoot(ctx, genesis))
blk := testutil.NewBeaconBlock()
blk.Block.ParentRoot = genesis[:]
blk.Block.Slot = 100
require.NoError(t, db.SaveBlock(ctx, wrapper.WrappedPhase0SignedBeaconBlock(blk)))
finalizedBlockRoot, err := blk.Block.HashTreeRoot()
require.NoError(t, err)
finalizedState, err := testutil.NewBeaconState()
require.NoError(t, err)
require.NoError(t, finalizedState.SetSlot(100))
require.NoError(t, db.SaveState(ctx, finalizedState, finalizedBlockRoot))
finalizedCheckpoint := &ethpb.Checkpoint{Root: finalizedBlockRoot[:]}
require.NoError(t, db.SaveFinalizedCheckpoint(ctx, finalizedCheckpoint))
wantedErr := "cannot delete genesis, finalized, or head state"
assert.ErrorContains(t, wantedErr, db.DeleteState(ctx, finalizedBlockRoot))
}
func TestStore_DeleteHeadState(t *testing.T) {
db := setupDB(t)
ctx := context.Background()
genesis := bytesutil.ToBytes32([]byte{'G', 'E', 'N', 'E', 'S', 'I', 'S'})
require.NoError(t, db.SaveGenesisBlockRoot(ctx, genesis))
blk := testutil.NewBeaconBlock()
blk.Block.ParentRoot = genesis[:]
blk.Block.Slot = 100
require.NoError(t, db.SaveBlock(ctx, wrapper.WrappedPhase0SignedBeaconBlock(blk)))
headBlockRoot, err := blk.Block.HashTreeRoot()
require.NoError(t, err)
st, err := testutil.NewBeaconState()
require.NoError(t, err)
require.NoError(t, st.SetSlot(100))
require.NoError(t, db.SaveState(ctx, st, headBlockRoot))
require.NoError(t, db.SaveHeadBlockRoot(ctx, headBlockRoot))
wantedErr := "cannot delete genesis, finalized, or head state"
assert.ErrorContains(t, wantedErr, db.DeleteState(ctx, headBlockRoot))
}
func TestStore_SaveDeleteState_CanGetHighestBelow(t *testing.T) {
db := setupDB(t)
b := testutil.NewBeaconBlock()
b.Block.Slot = 1
r, err := b.Block.HashTreeRoot()
require.NoError(t, err)
require.NoError(t, db.SaveBlock(context.Background(), wrapper.WrappedPhase0SignedBeaconBlock(b)))
st, err := testutil.NewBeaconState()
require.NoError(t, err)
require.NoError(t, st.SetSlot(1))
s0 := st.InnerStateUnsafe()
require.NoError(t, db.SaveState(context.Background(), st, r))
b.Block.Slot = 100
r1, err := b.Block.HashTreeRoot()
require.NoError(t, err)
require.NoError(t, db.SaveBlock(context.Background(), wrapper.WrappedPhase0SignedBeaconBlock(b)))
st, err = testutil.NewBeaconState()
require.NoError(t, err)
require.NoError(t, st.SetSlot(100))
s1 := st.InnerStateUnsafe()
require.NoError(t, db.SaveState(context.Background(), st, r1))
b.Block.Slot = 1000
r2, err := b.Block.HashTreeRoot()
require.NoError(t, err)
require.NoError(t, db.SaveBlock(context.Background(), wrapper.WrappedPhase0SignedBeaconBlock(b)))
st, err = testutil.NewBeaconState()
require.NoError(t, err)
require.NoError(t, st.SetSlot(1000))
s2 := st.InnerStateUnsafe()
require.NoError(t, db.SaveState(context.Background(), st, r2))
highest, err := db.HighestSlotStatesBelow(context.Background(), 2)
require.NoError(t, err)
assert.DeepSSZEqual(t, highest[0].InnerStateUnsafe(), s0)
highest, err = db.HighestSlotStatesBelow(context.Background(), 101)
require.NoError(t, err)
assert.DeepSSZEqual(t, highest[0].InnerStateUnsafe(), s1)
highest, err = db.HighestSlotStatesBelow(context.Background(), 1001)
require.NoError(t, err)
assert.DeepSSZEqual(t, highest[0].InnerStateUnsafe(), s2)
}
func TestStore_GenesisState_CanGetHighestBelow(t *testing.T) {
db := setupDB(t)
genesisState, err := testutil.NewBeaconState()
require.NoError(t, err)
genesisRoot := [32]byte{'a'}
require.NoError(t, db.SaveGenesisBlockRoot(context.Background(), genesisRoot))
require.NoError(t, db.SaveState(context.Background(), genesisState, genesisRoot))
b := testutil.NewBeaconBlock()
b.Block.Slot = 1
r, err := b.Block.HashTreeRoot()
require.NoError(t, err)
require.NoError(t, db.SaveBlock(context.Background(), wrapper.WrappedPhase0SignedBeaconBlock(b)))
st, err := testutil.NewBeaconState()
require.NoError(t, err)
require.NoError(t, st.SetSlot(1))
require.NoError(t, db.SaveState(context.Background(), st, r))
highest, err := db.HighestSlotStatesBelow(context.Background(), 2)
require.NoError(t, err)
assert.DeepSSZEqual(t, highest[0].InnerStateUnsafe(), st.InnerStateUnsafe())
highest, err = db.HighestSlotStatesBelow(context.Background(), 1)
require.NoError(t, err)
assert.DeepSSZEqual(t, highest[0].InnerStateUnsafe(), genesisState.InnerStateUnsafe())
highest, err = db.HighestSlotStatesBelow(context.Background(), 0)
require.NoError(t, err)
assert.DeepSSZEqual(t, highest[0].InnerStateUnsafe(), genesisState.InnerStateUnsafe())
}
func TestStore_CleanUpDirtyStates_AboveThreshold(t *testing.T) {
db := setupDB(t)
genesisState, err := testutil.NewBeaconState()
require.NoError(t, err)
genesisRoot := [32]byte{'a'}
require.NoError(t, db.SaveGenesisBlockRoot(context.Background(), genesisRoot))
require.NoError(t, db.SaveState(context.Background(), genesisState, genesisRoot))
bRoots := make([][32]byte, 0)
slotsPerArchivedPoint := types.Slot(128)
prevRoot := genesisRoot
for i := types.Slot(1); i <= slotsPerArchivedPoint; i++ {
b := testutil.NewBeaconBlock()
b.Block.Slot = i
b.Block.ParentRoot = prevRoot[:]
r, err := b.Block.HashTreeRoot()
require.NoError(t, err)
require.NoError(t, db.SaveBlock(context.Background(), wrapper.WrappedPhase0SignedBeaconBlock(b)))
bRoots = append(bRoots, r)
prevRoot = r
st, err := testutil.NewBeaconState()
require.NoError(t, err)
require.NoError(t, st.SetSlot(i))
require.NoError(t, db.SaveState(context.Background(), st, r))
}
require.NoError(t, db.SaveFinalizedCheckpoint(context.Background(), &ethpb.Checkpoint{
Root: bRoots[len(bRoots)-1][:],
Epoch: types.Epoch(slotsPerArchivedPoint / params.BeaconConfig().SlotsPerEpoch),
}))
require.NoError(t, db.CleanUpDirtyStates(context.Background(), slotsPerArchivedPoint))
for i, root := range bRoots {
if types.Slot(i) >= slotsPerArchivedPoint.SubSlot(slotsPerArchivedPoint.Div(3)) {
require.Equal(t, true, db.HasState(context.Background(), root))
} else {
require.Equal(t, false, db.HasState(context.Background(), root))
}
}
}
func TestStore_CleanUpDirtyStates_Finalized(t *testing.T) {
db := setupDB(t)
genesisState, err := testutil.NewBeaconState()
require.NoError(t, err)
genesisRoot := [32]byte{'a'}
require.NoError(t, db.SaveGenesisBlockRoot(context.Background(), genesisRoot))
require.NoError(t, db.SaveState(context.Background(), genesisState, genesisRoot))
for i := types.Slot(1); i <= params.BeaconConfig().SlotsPerEpoch; i++ {
b := testutil.NewBeaconBlock()
b.Block.Slot = i
r, err := b.Block.HashTreeRoot()
require.NoError(t, err)
require.NoError(t, db.SaveBlock(context.Background(), wrapper.WrappedPhase0SignedBeaconBlock(b)))
st, err := testutil.NewBeaconState()
require.NoError(t, err)
require.NoError(t, st.SetSlot(i))
require.NoError(t, db.SaveState(context.Background(), st, r))
}
require.NoError(t, db.SaveFinalizedCheckpoint(context.Background(), &ethpb.Checkpoint{Root: genesisRoot[:]}))
require.NoError(t, db.CleanUpDirtyStates(context.Background(), params.BeaconConfig().SlotsPerEpoch))
require.Equal(t, true, db.HasState(context.Background(), genesisRoot))
}
func TestStore_CleanUpDirtyStates_DontDeleteNonFinalized(t *testing.T) {
db := setupDB(t)
genesisState, err := testutil.NewBeaconState()
require.NoError(t, err)
genesisRoot := [32]byte{'a'}
require.NoError(t, db.SaveGenesisBlockRoot(context.Background(), genesisRoot))
require.NoError(t, db.SaveState(context.Background(), genesisState, genesisRoot))
var unfinalizedRoots [][32]byte
for i := types.Slot(1); i <= params.BeaconConfig().SlotsPerEpoch; i++ {
b := testutil.NewBeaconBlock()
b.Block.Slot = i
r, err := b.Block.HashTreeRoot()
require.NoError(t, err)
require.NoError(t, db.SaveBlock(context.Background(), wrapper.WrappedPhase0SignedBeaconBlock(b)))
unfinalizedRoots = append(unfinalizedRoots, r)
st, err := testutil.NewBeaconState()
require.NoError(t, err)
require.NoError(t, st.SetSlot(i))
require.NoError(t, db.SaveState(context.Background(), st, r))
}
require.NoError(t, db.SaveFinalizedCheckpoint(context.Background(), &ethpb.Checkpoint{Root: genesisRoot[:]}))
require.NoError(t, db.CleanUpDirtyStates(context.Background(), params.BeaconConfig().SlotsPerEpoch))
for _, rt := range unfinalizedRoots {
require.Equal(t, true, db.HasState(context.Background(), rt))
}
}
func validators(limit int) []*ethpb.Validator {
var vals []*ethpb.Validator
for i := 0; i < limit; i++ {
pubKey := make([]byte, params.BeaconConfig().BLSPubkeyLength)
binary.LittleEndian.PutUint64(pubKey, rand.Uint64())
val := &ethpb.Validator{
PublicKey: pubKey,
WithdrawalCredentials: bytesutil.ToBytes(rand.Uint64(), 32),
EffectiveBalance: uint64(rand.Uint64()),
Slashed: i%2 != 0,
ActivationEligibilityEpoch: types.Epoch(rand.Uint64()),
ActivationEpoch: types.Epoch(rand.Uint64()),
ExitEpoch: types.Epoch(rand.Uint64()),
WithdrawableEpoch: types.Epoch(rand.Uint64()),
}
vals = append(vals, val)
}
return vals
}
func checkStateSaveTime(b *testing.B, saveCount int) {
b.StopTimer()
db := setupDB(b)
initialSetOfValidators := validators(100000)
// construct some states and save to randomize benchmark.
for i := 0; i < saveCount; i++ {
key := make([]byte, 32)
_, err := rand.Read(key)
require.NoError(b, err)
st, err := testutil.NewBeaconState()
require.NoError(b, err)
// Add some more new validator to the base validator.
validatosToAddInTest := validators(10000)
allValidators := append(initialSetOfValidators, validatosToAddInTest...)
// shuffle validators.
rand.Seed(time.Now().UnixNano())
rand.Shuffle(len(allValidators), func(i, j int) { allValidators[i], allValidators[j] = allValidators[j], allValidators[i] })
require.NoError(b, st.SetValidators(allValidators))
require.NoError(b, db.SaveState(context.Background(), st, bytesutil.ToBytes32(key)))
}
// create a state to save in benchmark
r := [32]byte{'A'}
st, err := testutil.NewBeaconState()
require.NoError(b, err)
require.NoError(b, st.SetValidators(initialSetOfValidators))
b.ReportAllocs()
b.StartTimer()
for i := 0; i < b.N; i++ {
require.NoError(b, db.SaveState(context.Background(), st, r))
}
}
func checkStateReadTime(b *testing.B, saveCount int) {
b.StopTimer()
db := setupDB(b)
initialSetOfValidators := validators(100000)
// Save a state to read in benchmark
r := [32]byte{'A'}
st, err := testutil.NewBeaconState()
require.NoError(b, err)
require.NoError(b, st.SetValidators(initialSetOfValidators))
require.NoError(b, db.SaveState(context.Background(), st, r))
// construct some states and save to randomize benchmark.
for i := 0; i < saveCount; i++ {
key := make([]byte, 32)
_, err := rand.Read(key)
require.NoError(b, err)
st, err = testutil.NewBeaconState()
require.NoError(b, err)
// Add some more new validator to the base validator.
validatosToAddInTest := validators(10000)
allValidators := append(initialSetOfValidators, validatosToAddInTest...)
// shuffle validators.
rand.Seed(time.Now().UnixNano())
rand.Shuffle(len(allValidators), func(i, j int) { allValidators[i], allValidators[j] = allValidators[j], allValidators[i] })
require.NoError(b, st.SetValidators(allValidators))
require.NoError(b, db.SaveState(context.Background(), st, bytesutil.ToBytes32(key)))
}
b.ReportAllocs()
b.StartTimer()
for i := 0; i < b.N; i++ {
_, err := db.State(context.Background(), r)
require.NoError(b, err)
}
}
func BenchmarkState_CheckStateSaveTime_1(b *testing.B) { checkStateSaveTime(b, 1) }
func BenchmarkState_CheckStateSaveTime_10(b *testing.B) { checkStateSaveTime(b, 10) }
func BenchmarkState_CheckStateReadTime_1(b *testing.B) { checkStateReadTime(b, 1) }
func BenchmarkState_CheckStateReadTime_10(b *testing.B) { checkStateReadTime(b, 10) }