lotus/ffiwrapper/sealer_test.go
Łukasz Magiera 3d1225bf34 gofmt
2020-06-15 16:28:57 +02:00

487 lines
11 KiB
Go

package ffiwrapper
import (
"bytes"
"context"
"fmt"
"io"
"io/ioutil"
"math/rand"
"os"
"path/filepath"
"runtime"
"strings"
"sync"
"testing"
"time"
logging "github.com/ipfs/go-log"
"github.com/stretchr/testify/require"
"golang.org/x/xerrors"
ffi "github.com/filecoin-project/filecoin-ffi"
paramfetch "github.com/filecoin-project/go-paramfetch"
"github.com/filecoin-project/specs-actors/actors/abi"
"github.com/filecoin-project/specs-storage/storage"
"github.com/filecoin-project/sector-storage/ffiwrapper/basicfs"
"github.com/filecoin-project/sector-storage/stores"
)
func init() {
logging.SetLogLevel("*", "DEBUG") //nolint: errcheck
}
var sealProofType = abi.RegisteredSealProof_StackedDrg2KiBV1
var sectorSize, _ = sealProofType.SectorSize()
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}
type seal struct {
id abi.SectorID
cids storage.SectorCids
pi abi.PieceInfo
ticket abi.SealRandomness
}
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)),
)
}
func (s *seal) precommit(t *testing.T, sb *Sealer, id abi.SectorID, done func()) {
defer done()
dlen := abi.PaddedPieceSize(sectorSize).Unpadded()
var err error
r := data(id.Number, dlen)
s.pi, err = sb.AddPiece(context.TODO(), id, []abi.UnpaddedPieceSize{}, dlen, r)
if err != nil {
t.Fatalf("%+v", err)
}
s.ticket = sealRand
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
}
func (s *seal) commit(t *testing.T, sb *Sealer, done func()) {
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)
}
ok, err := ProofVerifier.VerifySeal(abi.SealVerifyInfo{
SectorID: s.id,
SealedCID: s.cids.Sealed,
SealProof: sealProofType,
Proof: proof,
Randomness: s.ticket,
InteractiveRandomness: seed,
UnsealedCID: s.cids.Unsealed,
})
if err != nil {
t.Fatalf("%+v", err)
}
if !ok {
t.Fatal("proof failed to validate")
}
}
func (s *seal) unseal(t *testing.T, sb *Sealer, sp *basicfs.Provider, si abi.SectorID, done func()) {
defer done()
var b bytes.Buffer
err := sb.ReadPiece(context.TODO(), &b, si, 0, 1016)
if err != nil {
t.Fatal(err)
}
expect, _ := ioutil.ReadAll(data(si.Number, 1016))
if !bytes.Equal(b.Bytes(), expect) {
t.Fatal("read wrong bytes")
}
p, sd, err := sp.AcquireSector(context.TODO(), si, stores.FTUnsealed, stores.FTNone, false)
if err != nil {
t.Fatal(err)
}
if err := os.Remove(p.Unsealed); err != nil {
t.Fatal(err)
}
sd()
err = sb.ReadPiece(context.TODO(), &b, si, 0, 1016)
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()
err = sb.ReadPiece(context.TODO(), &b, si, 0, 1016)
if err != nil {
t.Fatal(err)
}
expect, _ = ioutil.ReadAll(data(si.Number, 1016))
require.Equal(t, expect, b.Bytes())
b.Reset()
err = sb.ReadPiece(context.TODO(), &b, si, 0, 2032)
if err != nil {
t.Fatal(err)
}
expect = append(expect, bytes.Repeat([]byte{0}, 1016)...)
if !bytes.Equal(b.Bytes(), expect) {
t.Fatal("read wrong bytes")
}
}
func post(t *testing.T, sealer *Sealer, seals ...seal) time.Time {
/*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}
sis := make([]abi.SectorInfo, len(seals))
for i, s := range seals {
sis[i] = abi.SectorInfo{
RegisteredProof: sealProofType,
SectorNumber: s.id.Number,
SealedCID: s.cids.Sealed,
}
}
candidates, err := sealer.GenerateEPostCandidates(context.TODO(), seals[0].id.Miner, sis, randomness, []abi.SectorNumber{})
if err != nil {
t.Fatalf("%+v", err)
}*/
fmt.Println("skipping post")
genCandidates := time.Now()
/*if len(candidates) != 1 {
t.Fatal("expected 1 candidate")
}
candidatesPrime := make([]abi.PoStCandidate, len(candidates))
for idx := range candidatesPrime {
candidatesPrime[idx] = candidates[idx].Candidate
}
proofs, err := sealer.ComputeElectionPoSt(context.TODO(), seals[0].id.Miner, sis, randomness, candidatesPrime)
if err != nil {
t.Fatalf("%+v", err)
}
ePoStChallengeCount := ElectionPostChallengeCount(uint64(len(sis)), 0)
ok, err := ProofVerifier.VerifyElectionPost(context.TODO(), abi.PoStVerifyInfo{
Randomness: randomness,
Candidates: candidatesPrime,
Proofs: proofs,
EligibleSectors: sis,
Prover: seals[0].id.Miner,
ChallengeCount: ePoStChallengeCount,
})
if err != nil {
t.Fatalf("%+v", err)
}
if !ok {
t.Fatal("bad post")
}
*/
return genCandidates
}
func getGrothParamFileAndVerifyingKeys(s abi.SectorSize) {
dat, err := ioutil.ReadFile("../parameters.json")
if err != nil {
panic(err)
}
err = paramfetch.GetParams(dat, uint64(s))
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) {
defer requireFDsClosed(t, openFDs(t))
getGrothParamFileAndVerifyingKeys(sectorSize)
}
func TestSealAndVerify(t *testing.T) {
defer requireFDsClosed(t, openFDs(t))
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()
genCandidiates := post(t, sb, s)
epost := time.Now()
post(t, sb, s)
if err := sb.FinalizeSector(context.TODO(), si); err != nil {
t.Fatalf("%+v", err)
}
s.unseal(t, sb, sp, si, func() {})
fmt.Printf("PreCommit: %s\n", precommit.Sub(start).String())
fmt.Printf("Commit: %s\n", commit.Sub(precommit).String())
fmt.Printf("GenCandidates: %s\n", genCandidiates.Sub(commit).String())
fmt.Printf("EPoSt: %s\n", epost.Sub(genCandidiates).String())
}
func TestSealPoStNoCommit(t *testing.T) {
defer requireFDsClosed(t, openFDs(t))
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); err != nil {
t.Fatal(err)
}
genCandidiates := post(t, sb, s)
epost := time.Now()
fmt.Printf("PreCommit: %s\n", precommit.Sub(start).String())
fmt.Printf("GenCandidates: %s\n", genCandidiates.Sub(precommit).String())
fmt.Printf("EPoSt: %s\n", epost.Sub(genCandidiates).String())
}
func TestSealAndVerify2(t *testing.T) {
defer requireFDsClosed(t, openFDs(t))
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}
s1 := seal{id: si1}
s2 := seal{id: si2}
wg.Add(2)
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
wg.Wait()
wg.Add(2)
go s1.commit(t, sb, wg.Done) //nolint: staticcheck
go s2.commit(t, sb, wg.Done) //nolint: staticcheck
wg.Wait()
post(t, sb, s1, s2)
}
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()
ffi.WriteWithAlignment(abi.RegisteredSealProof_StackedDrg2KiBV1, rf, bt, tf, nil)
w()
}
}
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++
}
}
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")
}