487 lines
11 KiB
Go
487 lines
11 KiB
Go
package ffiwrapper
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import (
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"bytes"
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"context"
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"fmt"
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"io"
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"io/ioutil"
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"math/rand"
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"os"
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"path/filepath"
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"runtime"
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"strings"
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"sync"
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"testing"
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"time"
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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"
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ffi "github.com/filecoin-project/filecoin-ffi"
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paramfetch "github.com/filecoin-project/go-paramfetch"
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"github.com/filecoin-project/specs-actors/actors/abi"
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"github.com/filecoin-project/specs-storage/storage"
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"github.com/filecoin-project/sector-storage/ffiwrapper/basicfs"
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"github.com/filecoin-project/sector-storage/stores"
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)
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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 {
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id abi.SectorID
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cids storage.SectorCids
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pi abi.PieceInfo
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ticket abi.SealRandomness
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}
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func data(sn abi.SectorNumber, dlen abi.UnpaddedPieceSize) io.Reader {
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return io.MultiReader(
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io.LimitReader(rand.New(rand.NewSource(42+int64(sn))), int64(123)),
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io.LimitReader(rand.New(rand.NewSource(42+int64(sn))), int64(dlen-123)),
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)
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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()
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dlen := abi.PaddedPieceSize(sectorSize).Unpadded()
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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)
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if err != nil {
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t.Fatalf("%+v", err)
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}
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s.ticket = sealRand
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p1, err := sb.SealPreCommit1(context.TODO(), id, s.ticket, []abi.PieceInfo{s.pi})
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if err != nil {
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t.Fatalf("%+v", err)
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}
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cids, err := sb.SealPreCommit2(context.TODO(), id, p1)
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if err != nil {
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t.Fatalf("%+v", err)
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}
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s.cids = cids
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}
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func (s *seal) commit(t *testing.T, sb *Sealer, done func()) {
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defer done()
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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}
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pc1, err := sb.SealCommit1(context.TODO(), s.id, s.ticket, seed, []abi.PieceInfo{s.pi}, s.cids)
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if err != nil {
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t.Fatalf("%+v", err)
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}
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proof, err := sb.SealCommit2(context.TODO(), s.id, pc1)
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if err != nil {
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t.Fatalf("%+v", err)
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}
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ok, err := ProofVerifier.VerifySeal(abi.SealVerifyInfo{
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SectorID: s.id,
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SealedCID: s.cids.Sealed,
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SealProof: sealProofType,
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Proof: proof,
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Randomness: s.ticket,
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InteractiveRandomness: seed,
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UnsealedCID: s.cids.Unsealed,
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})
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if err != nil {
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t.Fatalf("%+v", err)
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}
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if !ok {
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t.Fatal("proof failed to validate")
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}
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}
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func (s *seal) unseal(t *testing.T, sb *Sealer, sp *basicfs.Provider, si abi.SectorID, done func()) {
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defer done()
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var b bytes.Buffer
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err := sb.ReadPiece(context.TODO(), &b, si, 0, 1016)
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if err != nil {
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t.Fatal(err)
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}
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expect, _ := ioutil.ReadAll(data(si.Number, 1016))
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if !bytes.Equal(b.Bytes(), expect) {
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t.Fatal("read wrong bytes")
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}
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p, sd, err := sp.AcquireSector(context.TODO(), si, stores.FTUnsealed, stores.FTNone, false)
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if err != nil {
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t.Fatal(err)
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}
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if err := os.Remove(p.Unsealed); err != nil {
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t.Fatal(err)
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}
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sd()
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err = sb.ReadPiece(context.TODO(), &b, si, 0, 1016)
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if err == nil {
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t.Fatal("HOW?!")
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}
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log.Info("this is what we expect: ", err)
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if err := sb.UnsealPiece(context.TODO(), si, 0, 1016, sealRand, s.cids.Unsealed); err != nil {
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t.Fatal(err)
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}
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b.Reset()
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err = sb.ReadPiece(context.TODO(), &b, si, 0, 1016)
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if err != nil {
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t.Fatal(err)
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}
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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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err = sb.ReadPiece(context.TODO(), &b, si, 0, 2032)
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if err != nil {
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t.Fatal(err)
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}
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expect = append(expect, bytes.Repeat([]byte{0}, 1016)...)
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if !bytes.Equal(b.Bytes(), expect) {
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t.Fatal("read wrong bytes")
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}
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}
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func post(t *testing.T, sealer *Sealer, seals ...seal) time.Time {
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/*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([]abi.SectorInfo, len(seals))
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for i, s := range seals {
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sis[i] = abi.SectorInfo{
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RegisteredProof: sealProofType,
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SectorNumber: s.id.Number,
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SealedCID: s.cids.Sealed,
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}
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}
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candidates, err := sealer.GenerateEPostCandidates(context.TODO(), seals[0].id.Miner, sis, randomness, []abi.SectorNumber{})
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if err != nil {
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t.Fatalf("%+v", err)
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}*/
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fmt.Println("skipping post")
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genCandidates := time.Now()
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/*if len(candidates) != 1 {
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t.Fatal("expected 1 candidate")
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}
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candidatesPrime := make([]abi.PoStCandidate, len(candidates))
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for idx := range candidatesPrime {
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candidatesPrime[idx] = candidates[idx].Candidate
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}
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proofs, err := sealer.ComputeElectionPoSt(context.TODO(), seals[0].id.Miner, sis, randomness, candidatesPrime)
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if err != nil {
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t.Fatalf("%+v", err)
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}
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ePoStChallengeCount := ElectionPostChallengeCount(uint64(len(sis)), 0)
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ok, err := ProofVerifier.VerifyElectionPost(context.TODO(), abi.PoStVerifyInfo{
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Randomness: randomness,
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Candidates: candidatesPrime,
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Proofs: proofs,
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EligibleSectors: sis,
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Prover: seals[0].id.Miner,
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ChallengeCount: ePoStChallengeCount,
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})
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if err != nil {
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t.Fatalf("%+v", err)
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}
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if !ok {
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t.Fatal("bad post")
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}
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*/
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return genCandidates
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}
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func getGrothParamFileAndVerifyingKeys(s abi.SectorSize) {
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dat, err := ioutil.ReadFile("../parameters.json")
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if err != nil {
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panic(err)
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}
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err = paramfetch.GetParams(dat, uint64(s))
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if err != nil {
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panic(xerrors.Errorf("failed to acquire Groth parameters for 2KiB sectors: %w", err))
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}
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}
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// TestDownloadParams exists only so that developers and CI can pre-download
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// Groth parameters and verifying keys before running the tests which rely on
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// those parameters and keys. To do this, run the following command:
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//
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// go test -run=^TestDownloadParams
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//
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func TestDownloadParams(t *testing.T) {
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defer requireFDsClosed(t, openFDs(t))
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getGrothParamFileAndVerifyingKeys(sectorSize)
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}
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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
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t.Skip("this is slow")
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}
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_ = os.Setenv("RUST_LOG", "info")
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getGrothParamFileAndVerifyingKeys(sectorSize)
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cdir, err := ioutil.TempDir("", "sbtest-c-")
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if err != nil {
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t.Fatal(err)
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}
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miner := abi.ActorID(123)
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cfg := &Config{
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SealProofType: sealProofType,
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}
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sp := &basicfs.Provider{
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Root: cdir,
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}
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sb, err := New(sp, cfg)
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if err != nil {
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t.Fatalf("%+v", err)
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}
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cleanup := func() {
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if t.Failed() {
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fmt.Printf("not removing %s\n", cdir)
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return
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}
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if err := os.RemoveAll(cdir); err != nil {
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t.Error(err)
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}
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}
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defer cleanup()
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si := abi.SectorID{Miner: miner, Number: 1}
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s := seal{id: si}
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start := time.Now()
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s.precommit(t, sb, si, func() {})
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precommit := time.Now()
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s.commit(t, sb, func() {})
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commit := time.Now()
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genCandidiates := post(t, sb, s)
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epost := time.Now()
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post(t, sb, s)
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if err := sb.FinalizeSector(context.TODO(), si); err != nil {
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t.Fatalf("%+v", err)
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}
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s.unseal(t, sb, sp, si, func() {})
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fmt.Printf("PreCommit: %s\n", precommit.Sub(start).String())
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fmt.Printf("Commit: %s\n", commit.Sub(precommit).String())
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fmt.Printf("GenCandidates: %s\n", genCandidiates.Sub(commit).String())
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fmt.Printf("EPoSt: %s\n", epost.Sub(genCandidiates).String())
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}
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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
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t.Skip("this is slow")
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}
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_ = os.Setenv("RUST_LOG", "info")
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getGrothParamFileAndVerifyingKeys(sectorSize)
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dir, err := ioutil.TempDir("", "sbtest")
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if err != nil {
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t.Fatal(err)
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}
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miner := abi.ActorID(123)
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cfg := &Config{
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SealProofType: sealProofType,
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}
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sp := &basicfs.Provider{
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Root: dir,
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}
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sb, err := New(sp, cfg)
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if err != nil {
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t.Fatalf("%+v", err)
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}
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cleanup := func() {
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if t.Failed() {
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fmt.Printf("not removing %s\n", dir)
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return
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}
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if err := os.RemoveAll(dir); err != nil {
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t.Error(err)
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}
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}
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defer cleanup()
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si := abi.SectorID{Miner: miner, Number: 1}
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s := seal{id: si}
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start := time.Now()
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s.precommit(t, sb, si, func() {})
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precommit := time.Now()
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if err := sb.FinalizeSector(context.TODO(), si); err != nil {
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t.Fatal(err)
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}
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genCandidiates := post(t, sb, s)
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epost := time.Now()
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fmt.Printf("PreCommit: %s\n", precommit.Sub(start).String())
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fmt.Printf("GenCandidates: %s\n", genCandidiates.Sub(precommit).String())
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fmt.Printf("EPoSt: %s\n", epost.Sub(genCandidiates).String())
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}
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func TestSealAndVerify2(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
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t.Skip("this is slow")
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}
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_ = os.Setenv("RUST_LOG", "trace")
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getGrothParamFileAndVerifyingKeys(sectorSize)
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dir, err := ioutil.TempDir("", "sbtest")
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if err != nil {
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t.Fatal(err)
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}
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miner := abi.ActorID(123)
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cfg := &Config{
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SealProofType: sealProofType,
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}
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sp := &basicfs.Provider{
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Root: dir,
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}
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sb, err := New(sp, cfg)
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if err != nil {
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t.Fatalf("%+v", err)
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}
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cleanup := func() {
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if err := os.RemoveAll(dir); err != nil {
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t.Error(err)
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}
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}
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defer cleanup()
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var wg sync.WaitGroup
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si1 := abi.SectorID{Miner: miner, Number: 1}
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si2 := abi.SectorID{Miner: miner, Number: 2}
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s1 := seal{id: si1}
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s2 := seal{id: si2}
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wg.Add(2)
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go s1.precommit(t, sb, si1, wg.Done) //nolint: staticcheck
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time.Sleep(100 * time.Millisecond)
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go s2.precommit(t, sb, si2, wg.Done) //nolint: staticcheck
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wg.Wait()
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wg.Add(2)
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go s1.commit(t, sb, wg.Done) //nolint: staticcheck
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go s2.commit(t, sb, wg.Done) //nolint: staticcheck
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wg.Wait()
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post(t, sb, s1, s2)
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}
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func BenchmarkWriteWithAlignment(b *testing.B) {
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bt := abi.UnpaddedPieceSize(2 * 127 * 1024 * 1024)
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b.SetBytes(int64(bt))
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for i := 0; i < b.N; i++ {
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b.StopTimer()
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rf, w, _ := ToReadableFile(bytes.NewReader(bytes.Repeat([]byte{0xff, 0}, int(bt/2))), int64(bt))
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tf, _ := ioutil.TempFile("/tmp/", "scrb-")
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b.StartTimer()
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ffi.WriteWithAlignment(abi.RegisteredSealProof_StackedDrg2KiBV1, rf, bt, tf, nil)
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w()
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}
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}
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func openFDs(t *testing.T) int {
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dent, err := ioutil.ReadDir("/proc/self/fd")
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require.NoError(t, err)
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var skip int
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for _, info := range dent {
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l, err := os.Readlink(filepath.Join("/proc/self/fd", info.Name()))
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if err != nil {
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continue
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}
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if strings.HasPrefix(l, "/dev/nvidia") {
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skip++
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}
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}
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return len(dent) - skip
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}
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func requireFDsClosed(t *testing.T, start int) {
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openNow := openFDs(t)
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if start != openNow {
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dent, err := ioutil.ReadDir("/proc/self/fd")
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require.NoError(t, err)
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for _, info := range dent {
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l, err := os.Readlink(filepath.Join("/proc/self/fd", info.Name()))
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if err != nil {
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fmt.Printf("FD err %s\n", err)
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continue
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}
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fmt.Printf("FD %s -> %s\n", info.Name(), l)
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}
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}
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log.Infow("open FDs", "start", start, "now", openNow)
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require.Equal(t, start, openNow, "FDs shouldn't leak")
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}
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