lotus/chain/store/store_test.go
Łukasz Magiera 231b2070d4
feat: chain import: don't walk to genesis - 2-3x faster snapshot import (#11446)
* chain import: don't walk to genesis

* fix daemon build

* fast snapshot genesis: address review
2023-11-25 13:29:57 -08:00

410 lines
12 KiB
Go

// stm: #unit
package store_test
import (
"bytes"
"context"
"io"
"testing"
"github.com/ipfs/go-datastore"
"github.com/stretchr/testify/require"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/go-state-types/abi"
"github.com/filecoin-project/go-state-types/crypto"
"github.com/filecoin-project/lotus/blockstore"
"github.com/filecoin-project/lotus/chain/actors/policy"
"github.com/filecoin-project/lotus/chain/consensus"
"github.com/filecoin-project/lotus/chain/consensus/filcns"
"github.com/filecoin-project/lotus/chain/gen"
"github.com/filecoin-project/lotus/chain/index"
"github.com/filecoin-project/lotus/chain/stmgr"
"github.com/filecoin-project/lotus/chain/store"
"github.com/filecoin-project/lotus/chain/types"
"github.com/filecoin-project/lotus/node/repo"
)
func init() {
policy.SetSupportedProofTypes(abi.RegisteredSealProof_StackedDrg2KiBV1)
policy.SetConsensusMinerMinPower(abi.NewStoragePower(2048))
policy.SetMinVerifiedDealSize(abi.NewStoragePower(256))
}
func BenchmarkGetRandomness(b *testing.B) {
//stm: @CHAIN_GEN_NEXT_TIPSET_001
//stm: @CHAIN_STATE_GET_RANDOMNESS_FROM_TICKETS_001
cg, err := gen.NewGenerator()
if err != nil {
b.Fatal(err)
}
var last *types.TipSet
for i := 0; i < 2000; i++ {
ts, err := cg.NextTipSet()
if err != nil {
b.Fatal(err)
}
last = ts.TipSet.TipSet()
}
r, err := cg.YieldRepo()
if err != nil {
b.Fatal(err)
}
lr, err := r.Lock(repo.FullNode)
if err != nil {
b.Fatal(err)
}
bs, err := lr.Blockstore(context.TODO(), repo.UniversalBlockstore)
if err != nil {
b.Fatal(err)
}
defer func() {
if c, ok := bs.(io.Closer); ok {
if err := c.Close(); err != nil {
b.Logf("WARN: failed to close blockstore: %s", err)
}
}
}()
mds, err := lr.Datastore(context.Background(), "/metadata")
if err != nil {
b.Fatal(err)
}
cs := store.NewChainStore(bs, bs, mds, filcns.Weight, nil)
defer cs.Close() //nolint:errcheck
b.ResetTimer()
for i := 0; i < b.N; i++ {
_, err := cg.StateManager().GetRandomnessFromTickets(context.TODO(), crypto.DomainSeparationTag_SealRandomness, 500, nil, last.Key())
if err != nil {
b.Fatal(err)
}
}
}
func TestChainExportImport(t *testing.T) {
//stm: @CHAIN_GEN_NEXT_TIPSET_001
//stm: @CHAIN_STORE_IMPORT_001
cg, err := gen.NewGenerator()
if err != nil {
t.Fatal(err)
}
var last *types.TipSet
for i := 0; i < 100; i++ {
ts, err := cg.NextTipSet()
if err != nil {
t.Fatal(err)
}
last = ts.TipSet.TipSet()
}
buf := new(bytes.Buffer)
if err := cg.ChainStore().Export(context.TODO(), last, 0, false, buf); err != nil {
t.Fatal(err)
}
nbs := blockstore.NewMemorySync()
cs := store.NewChainStore(nbs, nbs, datastore.NewMapDatastore(), filcns.Weight, nil)
defer cs.Close() //nolint:errcheck
root, _, err := cs.Import(context.TODO(), buf)
if err != nil {
t.Fatal(err)
}
if !root.Equals(last) {
t.Fatal("imported chain differed from exported chain")
}
}
// Test to check if tipset key cids are being stored on snapshot
func TestChainImportTipsetKeyCid(t *testing.T) {
ctx := context.Background()
cg, err := gen.NewGenerator()
require.NoError(t, err)
buf := new(bytes.Buffer)
var last *types.TipSet
var tsKeys []types.TipSetKey
for i := 0; i < 10; i++ {
ts, err := cg.NextTipSet()
require.NoError(t, err)
last = ts.TipSet.TipSet()
tsKeys = append(tsKeys, last.Key())
}
if err := cg.ChainStore().Export(ctx, last, last.Height(), false, buf); err != nil {
t.Fatal(err)
}
nbs := blockstore.NewMemorySync()
cs := store.NewChainStore(nbs, nbs, datastore.NewMapDatastore(), filcns.Weight, nil)
defer cs.Close() //nolint:errcheck
root, _, err := cs.Import(ctx, buf)
require.NoError(t, err)
require.Truef(t, root.Equals(last), "imported chain differed from exported chain")
err = cs.SetHead(ctx, last)
require.NoError(t, err)
for _, tsKey := range tsKeys {
_, err := cs.LoadTipSet(ctx, tsKey)
require.NoError(t, err)
tsCid, err := tsKey.Cid()
require.NoError(t, err)
_, err = cs.ChainLocalBlockstore().Get(ctx, tsCid)
require.NoError(t, err)
}
}
func TestChainExportImportFull(t *testing.T) {
//stm: @CHAIN_GEN_NEXT_TIPSET_001
//stm: @CHAIN_STORE_IMPORT_001, @CHAIN_STORE_EXPORT_001, @CHAIN_STORE_SET_HEAD_001
//stm: @CHAIN_STORE_GET_TIPSET_BY_HEIGHT_001
cg, err := gen.NewGenerator()
if err != nil {
t.Fatal(err)
}
var last *types.TipSet
for i := 0; i < 100; i++ {
ts, err := cg.NextTipSet()
if err != nil {
t.Fatal(err)
}
last = ts.TipSet.TipSet()
}
buf := new(bytes.Buffer)
if err := cg.ChainStore().Export(context.TODO(), last, last.Height(), false, buf); err != nil {
t.Fatal(err)
}
nbs := blockstore.NewMemorySync()
ds := datastore.NewMapDatastore()
cs := store.NewChainStore(nbs, nbs, ds, filcns.Weight, nil)
defer cs.Close() //nolint:errcheck
root, _, err := cs.Import(context.TODO(), buf)
if err != nil {
t.Fatal(err)
}
err = cs.SetHead(context.Background(), last)
if err != nil {
t.Fatal(err)
}
if !root.Equals(last) {
t.Fatal("imported chain differed from exported chain")
}
sm, err := stmgr.NewStateManager(cs, consensus.NewTipSetExecutor(filcns.RewardFunc), nil, filcns.DefaultUpgradeSchedule(), cg.BeaconSchedule(), ds, index.DummyMsgIndex)
if err != nil {
t.Fatal(err)
}
for i := 0; i < 100; i++ {
ts, err := cs.GetTipsetByHeight(context.TODO(), abi.ChainEpoch(i), nil, false)
if err != nil {
t.Fatal(err)
}
st, err := sm.ParentState(ts)
if err != nil {
t.Fatal(err)
}
// touches a bunch of actors
_, err = sm.GetCirculatingSupply(context.TODO(), abi.ChainEpoch(i), st)
if err != nil {
t.Fatal(err)
}
}
}
func TestEquivocations(t *testing.T) {
ctx := context.Background()
cg, err := gen.NewGenerator()
if err != nil {
t.Fatal(err)
}
var last *types.TipSet
for i := 0; i < 10; i++ {
ts, err := cg.NextTipSet()
if err != nil {
t.Fatal(err)
}
last = ts.TipSet.TipSet()
}
mTs, err := cg.NextTipSetFromMiners(last, []address.Address{last.Blocks()[0].Miner}, 0)
require.NoError(t, err)
require.Equal(t, 1, len(mTs.TipSet.TipSet().Cids()))
last = mTs.TipSet.TipSet()
require.NotEmpty(t, last.Blocks())
blk1 := *last.Blocks()[0]
// quick check: asking to form tipset at latest height just returns head
bestHead, bestHeadWeight, err := cg.ChainStore().FormHeaviestTipSetForHeight(ctx, last.Height())
require.NoError(t, err)
require.Equal(t, last.Key(), bestHead.Key())
require.Contains(t, last.Cids(), blk1.Cid())
expectedWeight, err := cg.ChainStore().Weight(ctx, bestHead)
require.NoError(t, err)
require.Equal(t, expectedWeight, bestHeadWeight)
// add another block by a different miner -- it should get included in the best tipset
blk2 := blk1
blk1Miner, err := address.IDFromAddress(blk2.Miner)
require.NoError(t, err)
blk2.Miner, err = address.NewIDAddress(blk1Miner + 50)
require.NoError(t, err)
addBlockToTracker(t, cg.ChainStore(), &blk2)
bestHead, bestHeadWeight, err = cg.ChainStore().FormHeaviestTipSetForHeight(ctx, last.Height())
require.NoError(t, err)
for _, blkCid := range last.Cids() {
require.Contains(t, bestHead.Cids(), blkCid)
}
require.Contains(t, bestHead.Cids(), blk2.Cid())
expectedWeight, err = cg.ChainStore().Weight(ctx, bestHead)
require.NoError(t, err)
require.Equal(t, expectedWeight, bestHeadWeight)
// add another block by a different miner, but on a different tipset -- it should NOT get included
blk3 := blk1
blk3.Miner, err = address.NewIDAddress(blk1Miner + 100)
require.NoError(t, err)
blk1Parent, err := cg.ChainStore().GetBlock(ctx, blk3.Parents[0])
require.NoError(t, err)
blk3.Parents = blk1Parent.Parents
addBlockToTracker(t, cg.ChainStore(), &blk3)
bestHead, bestHeadWeight, err = cg.ChainStore().FormHeaviestTipSetForHeight(ctx, last.Height())
require.NoError(t, err)
for _, blkCid := range last.Cids() {
require.Contains(t, bestHead.Cids(), blkCid)
}
require.Contains(t, bestHead.Cids(), blk2.Cid())
require.NotContains(t, bestHead.Cids(), blk3.Cid())
expectedWeight, err = cg.ChainStore().Weight(ctx, bestHead)
require.NoError(t, err)
require.Equal(t, expectedWeight, bestHeadWeight)
// add another block by the same miner as blk1 -- it should NOT get included, and blk1 should be excluded too
blk4 := blk1
blk4.Timestamp = blk1.Timestamp + 1
addBlockToTracker(t, cg.ChainStore(), &blk4)
bestHead, bestHeadWeight, err = cg.ChainStore().FormHeaviestTipSetForHeight(ctx, last.Height())
require.NoError(t, err)
for _, blkCid := range last.Cids() {
if blkCid != blk1.Cid() {
require.Contains(t, bestHead.Cids(), blkCid)
}
}
require.NotContains(t, bestHead.Cids(), blk4.Cid())
require.NotContains(t, bestHead.Cids(), blk1.Cid())
expectedWeight, err = cg.ChainStore().Weight(ctx, bestHead)
require.NoError(t, err)
require.Equal(t, expectedWeight, bestHeadWeight)
// check that after all of that, the chainstore's head has NOT changed
require.Equal(t, last.Key(), cg.ChainStore().GetHeaviestTipSet().Key())
// NOW, after all that, notify the chainstore to refresh its head
require.NoError(t, cg.ChainStore().RefreshHeaviestTipSet(ctx, blk1.Height+1))
originalHead := *last
newHead := cg.ChainStore().GetHeaviestTipSet()
// the newHead should be at the same height as the originalHead
require.Equal(t, originalHead.Height(), newHead.Height())
// the newHead should NOT be the same as the originalHead
require.NotEqual(t, originalHead.Key(), newHead.Key())
// specifically, it should not contain any blocks by blk1Miner
for _, b := range newHead.Blocks() {
require.NotEqual(t, blk1.Miner, b.Miner)
}
// now have blk2's Miner equivocate too! this causes us to switch to a tipset with a different parent!
blk5 := blk2
blk5.Timestamp = blk5.Timestamp + 1
addBlockToTracker(t, cg.ChainStore(), &blk5)
// notify the chainstore to refresh its head
require.NoError(t, cg.ChainStore().RefreshHeaviestTipSet(ctx, blk1.Height+1))
newHead = cg.ChainStore().GetHeaviestTipSet()
// the newHead should still be at the same height as the originalHead
require.Equal(t, originalHead.Height(), newHead.Height())
// BUT it should no longer have the same parents -- only blk3's miner is good, and they mined on a different tipset
require.Equal(t, 1, len(newHead.Blocks()))
require.Equal(t, blk3.Cid(), newHead.Cids()[0])
require.NotEqual(t, originalHead.Parents(), newHead.Parents())
// now have blk3's Miner equivocate too! this causes us to switch to a previous epoch entirely :(
blk6 := blk3
blk6.Timestamp = blk6.Timestamp + 1
addBlockToTracker(t, cg.ChainStore(), &blk6)
// trying to form a tipset at our previous height leads to emptiness
tryTs, tryTsWeight, err := cg.ChainStore().FormHeaviestTipSetForHeight(ctx, blk1.Height)
require.NoError(t, err)
require.Nil(t, tryTs)
require.True(t, tryTsWeight.IsZero())
// notify the chainstore to refresh its head
require.NoError(t, cg.ChainStore().RefreshHeaviestTipSet(ctx, blk1.Height+1))
newHead = cg.ChainStore().GetHeaviestTipSet()
// the newHead should now be one epoch behind originalHead
require.Greater(t, originalHead.Height(), newHead.Height())
// next, we create a new tipset with only one block after many null rounds
headAfterNulls, err := cg.NextTipSetFromMiners(newHead, []address.Address{newHead.Blocks()[0].Miner}, 15)
require.NoError(t, err)
require.Equal(t, 1, len(headAfterNulls.TipSet.Blocks))
// now, we disqualify the block in this tipset because of equivocation
blkAfterNulls := headAfterNulls.TipSet.TipSet().Blocks()[0]
equivocatedBlkAfterNulls := *blkAfterNulls
equivocatedBlkAfterNulls.Timestamp = blkAfterNulls.Timestamp + 1
addBlockToTracker(t, cg.ChainStore(), &equivocatedBlkAfterNulls)
// try to form a tipset at this height -- it should be empty
tryTs2, tryTsWeight2, err := cg.ChainStore().FormHeaviestTipSetForHeight(ctx, blkAfterNulls.Height)
require.NoError(t, err)
require.Nil(t, tryTs2)
require.True(t, tryTsWeight2.IsZero())
// now we "notify" at this height -- it should lead to no head change because there's no formable head in near epochs
require.NoError(t, cg.ChainStore().RefreshHeaviestTipSet(ctx, blkAfterNulls.Height))
require.True(t, headAfterNulls.TipSet.TipSet().Equals(cg.ChainStore().GetHeaviestTipSet()))
}
func addBlockToTracker(t *testing.T, cs *store.ChainStore, blk *types.BlockHeader) {
blk2Ts, err := types.NewTipSet([]*types.BlockHeader{blk})
require.NoError(t, err)
require.NoError(t, cs.PersistTipsets(context.TODO(), []*types.TipSet{blk2Ts}))
require.NoError(t, cs.AddToTipSetTracker(context.TODO(), blk))
}