lotus/extern/sector-storage/ffiwrapper/sealer_test.go

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package ffiwrapper
import (
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"bytes"
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"context"
"fmt"
"io"
"io/ioutil"
"math/rand"
"os"
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"path/filepath"
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"runtime"
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"strings"
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"sync"
"testing"
"time"
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saproof "github.com/filecoin-project/specs-actors/actors/runtime/proof"
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"github.com/ipfs/go-cid"
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logging "github.com/ipfs/go-log"
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"github.com/stretchr/testify/require"
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"golang.org/x/xerrors"
paramfetch "github.com/filecoin-project/go-paramfetch"
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"github.com/filecoin-project/go-state-types/abi"
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"github.com/filecoin-project/specs-storage/storage"
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ffi "github.com/filecoin-project/filecoin-ffi"
"github.com/filecoin-project/lotus/extern/sector-storage/ffiwrapper/basicfs"
"github.com/filecoin-project/lotus/extern/sector-storage/stores"
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)
func init() {
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logging.SetLogLevel("*", "DEBUG") //nolint: errcheck
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}
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var sealProofType = abi.RegisteredSealProof_StackedDrg2KiBV1
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var sectorSize, _ = sealProofType.SectorSize()
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var sealRand = abi.SealRandomness{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 1, 2}
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type seal struct {
id abi.SectorID
cids storage.SectorCids
pi abi.PieceInfo
ticket abi.SealRandomness
}
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func data(sn abi.SectorNumber, dlen abi.UnpaddedPieceSize) io.Reader {
return io.MultiReader(
io.LimitReader(rand.New(rand.NewSource(42+int64(sn))), int64(123)),
io.LimitReader(rand.New(rand.NewSource(42+int64(sn))), int64(dlen-123)),
)
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}
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func (s *seal) precommit(t *testing.T, sb *Sealer, id abi.SectorID, done func()) {
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defer done()
dlen := abi.PaddedPieceSize(sectorSize).Unpadded()
var err error
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r := data(id.Number, dlen)
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s.pi, err = sb.AddPiece(context.TODO(), id, []abi.UnpaddedPieceSize{}, dlen, r)
if err != nil {
t.Fatalf("%+v", err)
}
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s.ticket = sealRand
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p1, err := sb.SealPreCommit1(context.TODO(), id, s.ticket, []abi.PieceInfo{s.pi})
if err != nil {
t.Fatalf("%+v", err)
}
cids, err := sb.SealPreCommit2(context.TODO(), id, p1)
if err != nil {
t.Fatalf("%+v", err)
}
s.cids = cids
}
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func (s *seal) commit(t *testing.T, sb *Sealer, done func()) {
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defer done()
seed := abi.InteractiveSealRandomness{0, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 9, 8, 7, 6, 45, 3, 2, 1, 0, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 9}
pc1, err := sb.SealCommit1(context.TODO(), s.id, s.ticket, seed, []abi.PieceInfo{s.pi}, s.cids)
if err != nil {
t.Fatalf("%+v", err)
}
proof, err := sb.SealCommit2(context.TODO(), s.id, pc1)
if err != nil {
t.Fatalf("%+v", err)
}
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ok, err := ProofVerifier.VerifySeal(saproof.SealVerifyInfo{
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SectorID: s.id,
SealedCID: s.cids.Sealed,
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SealProof: sealProofType,
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Proof: proof,
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Randomness: s.ticket,
InteractiveRandomness: seed,
UnsealedCID: s.cids.Unsealed,
})
if err != nil {
t.Fatalf("%+v", err)
}
if !ok {
t.Fatal("proof failed to validate")
}
}
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func (s *seal) unseal(t *testing.T, sb *Sealer, sp *basicfs.Provider, si abi.SectorID, done func()) {
defer done()
var b bytes.Buffer
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_, err := sb.ReadPiece(context.TODO(), &b, si, 0, 1016)
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if err != nil {
t.Fatal(err)
}
expect, _ := ioutil.ReadAll(data(si.Number, 1016))
if !bytes.Equal(b.Bytes(), expect) {
t.Fatal("read wrong bytes")
}
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p, sd, err := sp.AcquireSector(context.TODO(), si, stores.FTUnsealed, stores.FTNone, stores.PathStorage)
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if err != nil {
t.Fatal(err)
}
if err := os.Remove(p.Unsealed); err != nil {
t.Fatal(err)
}
sd()
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_, err = sb.ReadPiece(context.TODO(), &b, si, 0, 1016)
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if err == nil {
t.Fatal("HOW?!")
}
log.Info("this is what we expect: ", err)
if err := sb.UnsealPiece(context.TODO(), si, 0, 1016, sealRand, s.cids.Unsealed); err != nil {
t.Fatal(err)
}
b.Reset()
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_, err = sb.ReadPiece(context.TODO(), &b, si, 0, 1016)
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if err != nil {
t.Fatal(err)
}
expect, _ = ioutil.ReadAll(data(si.Number, 1016))
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require.Equal(t, expect, b.Bytes())
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b.Reset()
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have, err := sb.ReadPiece(context.TODO(), &b, si, 0, 2032)
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if err != nil {
t.Fatal(err)
}
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if have {
t.Errorf("didn't expect to read things")
}
if b.Len() != 0 {
t.Fatal("read bytes")
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}
}
func post(t *testing.T, sealer *Sealer, skipped []abi.SectorID, seals ...seal) {
randomness := abi.PoStRandomness{0, 9, 2, 7, 6, 5, 4, 3, 2, 1, 0, 9, 8, 7, 6, 45, 3, 2, 1, 0, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 9, 7}
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sis := make([]saproof.SectorInfo, len(seals))
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for i, s := range seals {
sis[i] = saproof.SectorInfo{
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SealProof: sealProofType,
SectorNumber: s.id.Number,
SealedCID: s.cids.Sealed,
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}
}
proofs, skp, err := sealer.GenerateWindowPoSt(context.TODO(), seals[0].id.Miner, sis, randomness)
if len(skipped) > 0 {
require.Error(t, err)
require.EqualValues(t, skipped, skp)
return
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}
if err != nil {
t.Fatalf("%+v", err)
}
ok, err := ProofVerifier.VerifyWindowPoSt(context.TODO(), saproof.WindowPoStVerifyInfo{
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Randomness: randomness,
Proofs: proofs,
ChallengedSectors: sis,
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Prover: seals[0].id.Miner,
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})
if err != nil {
t.Fatalf("%+v", err)
}
if !ok {
t.Fatal("bad post")
}
}
func corrupt(t *testing.T, sealer *Sealer, id abi.SectorID) {
paths, done, err := sealer.sectors.AcquireSector(context.Background(), id, stores.FTSealed, 0, stores.PathStorage)
require.NoError(t, err)
defer done()
log.Infof("corrupt %s", paths.Sealed)
f, err := os.OpenFile(paths.Sealed, os.O_RDWR, 0664)
require.NoError(t, err)
_, err = f.WriteAt(bytes.Repeat([]byte{'d'}, 2048), 0)
require.NoError(t, err)
require.NoError(t, f.Close())
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}
func getGrothParamFileAndVerifyingKeys(s abi.SectorSize) {
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dat, err := ioutil.ReadFile("../../../build/proof-params/parameters.json")
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if err != nil {
panic(err)
}
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err = paramfetch.GetParams(context.TODO(), dat, uint64(s))
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if err != nil {
panic(xerrors.Errorf("failed to acquire Groth parameters for 2KiB sectors: %w", err))
}
}
// TestDownloadParams exists only so that developers and CI can pre-download
// Groth parameters and verifying keys before running the tests which rely on
// those parameters and keys. To do this, run the following command:
//
// go test -run=^TestDownloadParams
//
func TestDownloadParams(t *testing.T) {
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defer requireFDsClosed(t, openFDs(t))
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getGrothParamFileAndVerifyingKeys(sectorSize)
}
func TestSealAndVerify(t *testing.T) {
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defer requireFDsClosed(t, openFDs(t))
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if runtime.NumCPU() < 10 && os.Getenv("CI") == "" { // don't bother on slow hardware
t.Skip("this is slow")
}
_ = os.Setenv("RUST_LOG", "info")
getGrothParamFileAndVerifyingKeys(sectorSize)
cdir, err := ioutil.TempDir("", "sbtest-c-")
if err != nil {
t.Fatal(err)
}
miner := abi.ActorID(123)
cfg := &Config{
SealProofType: sealProofType,
}
sp := &basicfs.Provider{
Root: cdir,
}
sb, err := New(sp, cfg)
if err != nil {
t.Fatalf("%+v", err)
}
cleanup := func() {
if t.Failed() {
fmt.Printf("not removing %s\n", cdir)
return
}
if err := os.RemoveAll(cdir); err != nil {
t.Error(err)
}
}
defer cleanup()
si := abi.SectorID{Miner: miner, Number: 1}
s := seal{id: si}
start := time.Now()
s.precommit(t, sb, si, func() {})
precommit := time.Now()
s.commit(t, sb, func() {})
commit := time.Now()
post(t, sb, nil, s)
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epost := time.Now()
post(t, sb, nil, s)
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if err := sb.FinalizeSector(context.TODO(), si, nil); err != nil {
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t.Fatalf("%+v", err)
}
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s.unseal(t, sb, sp, si, func() {})
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fmt.Printf("PreCommit: %s\n", precommit.Sub(start).String())
fmt.Printf("Commit: %s\n", commit.Sub(precommit).String())
fmt.Printf("EPoSt: %s\n", epost.Sub(commit).String())
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}
func TestSealPoStNoCommit(t *testing.T) {
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defer requireFDsClosed(t, openFDs(t))
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if runtime.NumCPU() < 10 && os.Getenv("CI") == "" { // don't bother on slow hardware
t.Skip("this is slow")
}
_ = os.Setenv("RUST_LOG", "info")
getGrothParamFileAndVerifyingKeys(sectorSize)
dir, err := ioutil.TempDir("", "sbtest")
if err != nil {
t.Fatal(err)
}
miner := abi.ActorID(123)
cfg := &Config{
SealProofType: sealProofType,
}
sp := &basicfs.Provider{
Root: dir,
}
sb, err := New(sp, cfg)
if err != nil {
t.Fatalf("%+v", err)
}
cleanup := func() {
if t.Failed() {
fmt.Printf("not removing %s\n", dir)
return
}
if err := os.RemoveAll(dir); err != nil {
t.Error(err)
}
}
defer cleanup()
si := abi.SectorID{Miner: miner, Number: 1}
s := seal{id: si}
start := time.Now()
s.precommit(t, sb, si, func() {})
precommit := time.Now()
if err := sb.FinalizeSector(context.TODO(), si, nil); err != nil {
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t.Fatal(err)
}
post(t, sb, nil, s)
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epost := time.Now()
fmt.Printf("PreCommit: %s\n", precommit.Sub(start).String())
fmt.Printf("EPoSt: %s\n", epost.Sub(precommit).String())
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}
func TestSealAndVerify3(t *testing.T) {
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defer requireFDsClosed(t, openFDs(t))
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if runtime.NumCPU() < 10 && os.Getenv("CI") == "" { // don't bother on slow hardware
t.Skip("this is slow")
}
_ = os.Setenv("RUST_LOG", "trace")
getGrothParamFileAndVerifyingKeys(sectorSize)
dir, err := ioutil.TempDir("", "sbtest")
if err != nil {
t.Fatal(err)
}
miner := abi.ActorID(123)
cfg := &Config{
SealProofType: sealProofType,
}
sp := &basicfs.Provider{
Root: dir,
}
sb, err := New(sp, cfg)
if err != nil {
t.Fatalf("%+v", err)
}
cleanup := func() {
if err := os.RemoveAll(dir); err != nil {
t.Error(err)
}
}
defer cleanup()
var wg sync.WaitGroup
si1 := abi.SectorID{Miner: miner, Number: 1}
si2 := abi.SectorID{Miner: miner, Number: 2}
si3 := abi.SectorID{Miner: miner, Number: 3}
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s1 := seal{id: si1}
s2 := seal{id: si2}
s3 := seal{id: si3}
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wg.Add(3)
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go s1.precommit(t, sb, si1, wg.Done) //nolint: staticcheck
time.Sleep(100 * time.Millisecond)
go s2.precommit(t, sb, si2, wg.Done) //nolint: staticcheck
time.Sleep(100 * time.Millisecond)
go s3.precommit(t, sb, si3, wg.Done) //nolint: staticcheck
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wg.Wait()
wg.Add(3)
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go s1.commit(t, sb, wg.Done) //nolint: staticcheck
go s2.commit(t, sb, wg.Done) //nolint: staticcheck
go s3.commit(t, sb, wg.Done) //nolint: staticcheck
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wg.Wait()
post(t, sb, nil, s1, s2, s3)
corrupt(t, sb, si1)
corrupt(t, sb, si2)
post(t, sb, []abi.SectorID{si1, si2}, s1, s2, s3)
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}
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func BenchmarkWriteWithAlignment(b *testing.B) {
bt := abi.UnpaddedPieceSize(2 * 127 * 1024 * 1024)
b.SetBytes(int64(bt))
for i := 0; i < b.N; i++ {
b.StopTimer()
rf, w, _ := ToReadableFile(bytes.NewReader(bytes.Repeat([]byte{0xff, 0}, int(bt/2))), int64(bt))
tf, _ := ioutil.TempFile("/tmp/", "scrb-")
b.StartTimer()
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ffi.WriteWithAlignment(abi.RegisteredSealProof_StackedDrg2KiBV1, rf, bt, tf, nil) // nolint:errcheck
_ = w()
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}
}
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func openFDs(t *testing.T) int {
dent, err := ioutil.ReadDir("/proc/self/fd")
require.NoError(t, err)
var skip int
for _, info := range dent {
l, err := os.Readlink(filepath.Join("/proc/self/fd", info.Name()))
if err != nil {
continue
}
if strings.HasPrefix(l, "/dev/nvidia") {
skip++
}
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if strings.HasPrefix(l, "/var/tmp/filecoin-proof-parameters/") {
skip++
}
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}
return len(dent) - skip
}
func requireFDsClosed(t *testing.T, start int) {
openNow := openFDs(t)
if start != openNow {
dent, err := ioutil.ReadDir("/proc/self/fd")
require.NoError(t, err)
for _, info := range dent {
l, err := os.Readlink(filepath.Join("/proc/self/fd", info.Name()))
if err != nil {
fmt.Printf("FD err %s\n", err)
continue
}
fmt.Printf("FD %s -> %s\n", info.Name(), l)
}
}
log.Infow("open FDs", "start", start, "now", openNow)
require.Equal(t, start, openNow, "FDs shouldn't leak")
}
func TestGenerateUnsealedCID(t *testing.T) {
pt := abi.RegisteredSealProof_StackedDrg2KiBV1
ups := int(abi.PaddedPieceSize(2048).Unpadded())
commP := func(b []byte) cid.Cid {
pf, werr, err := ToReadableFile(bytes.NewReader(b), int64(len(b)))
require.NoError(t, err)
c, err := ffi.GeneratePieceCIDFromFile(pt, pf, abi.UnpaddedPieceSize(len(b)))
require.NoError(t, err)
require.NoError(t, werr())
return c
}
testCommEq := func(name string, in [][]byte, expect [][]byte) {
t.Run(name, func(t *testing.T) {
upi := make([]abi.PieceInfo, len(in))
for i, b := range in {
upi[i] = abi.PieceInfo{
Size: abi.UnpaddedPieceSize(len(b)).Padded(),
PieceCID: commP(b),
}
}
sectorPi := []abi.PieceInfo{
{
Size: 2048,
PieceCID: commP(bytes.Join(expect, nil)),
},
}
expectCid, err := GenerateUnsealedCID(pt, sectorPi)
require.NoError(t, err)
actualCid, err := GenerateUnsealedCID(pt, upi)
require.NoError(t, err)
require.Equal(t, expectCid, actualCid)
})
}
barr := func(b byte, den int) []byte {
return bytes.Repeat([]byte{b}, ups/den)
}
// 0000
testCommEq("zero",
nil,
[][]byte{barr(0, 1)},
)
// 1111
testCommEq("one",
[][]byte{barr(1, 1)},
[][]byte{barr(1, 1)},
)
// 11 00
testCommEq("one|2",
[][]byte{barr(1, 2)},
[][]byte{barr(1, 2), barr(0, 2)},
)
// 1 0 00
testCommEq("one|4",
[][]byte{barr(1, 4)},
[][]byte{barr(1, 4), barr(0, 4), barr(0, 2)},
)
// 11 2 0
testCommEq("one|2-two|4",
[][]byte{barr(1, 2), barr(2, 4)},
[][]byte{barr(1, 2), barr(2, 4), barr(0, 4)},
)
// 1 0 22
testCommEq("one|4-two|2",
[][]byte{barr(1, 4), barr(2, 2)},
[][]byte{barr(1, 4), barr(0, 4), barr(2, 2)},
)
// 1 0 22 0000
testCommEq("one|8-two|4",
[][]byte{barr(1, 8), barr(2, 4)},
[][]byte{barr(1, 8), barr(0, 8), barr(2, 4), barr(0, 2)},
)
// 11 2 0 0000
testCommEq("one|4-two|8",
[][]byte{barr(1, 4), barr(2, 8)},
[][]byte{barr(1, 4), barr(2, 8), barr(0, 8), barr(0, 2)},
)
// 1 0 22 3 0 00 4444 5 0 00
testCommEq("one|16-two|8-three|16-four|4-five|16",
[][]byte{barr(1, 16), barr(2, 8), barr(3, 16), barr(4, 4), barr(5, 16)},
[][]byte{barr(1, 16), barr(0, 16), barr(2, 8), barr(3, 16), barr(0, 16), barr(0, 8), barr(4, 4), barr(5, 16), barr(0, 16), barr(0, 8)},
)
}