lotus/lib/sectorbuilder/sectorbuilder_test.go
2019-12-06 22:18:52 +01:00

351 lines
7.3 KiB
Go

package sectorbuilder_test
import (
"context"
"fmt"
"io"
"io/ioutil"
"math/rand"
"os"
"runtime"
"sync"
"testing"
"time"
"github.com/ipfs/go-datastore"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
ffi "github.com/filecoin-project/filecoin-ffi"
"github.com/filecoin-project/lotus/build"
"github.com/filecoin-project/lotus/lib/sectorbuilder"
)
const sectorSize = 1024
type seal struct {
sid uint64
pco sectorbuilder.RawSealPreCommitOutput
ppi sectorbuilder.PublicPieceInfo
ticket sectorbuilder.SealTicket
}
func (s *seal) precommit(t *testing.T, sb *sectorbuilder.SectorBuilder, sid uint64, done func()) {
dlen := sectorbuilder.UserBytesForSectorSize(sectorSize)
var err error
r := io.LimitReader(rand.New(rand.NewSource(42+int64(sid))), int64(dlen))
s.ppi, err = sb.AddPiece(dlen, sid, r, []uint64{})
if err != nil {
t.Fatalf("%+v", err)
}
s.ticket = sectorbuilder.SealTicket{
BlockHeight: 5,
TicketBytes: [32]byte{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},
}
s.pco, err = sb.SealPreCommit(sid, s.ticket, []sectorbuilder.PublicPieceInfo{s.ppi})
if err != nil {
t.Fatalf("%+v", err)
}
done()
}
func (s *seal) commit(t *testing.T, sb *sectorbuilder.SectorBuilder, done func()) {
seed := sectorbuilder.SealSeed{
BlockHeight: 15,
TicketBytes: [32]byte{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},
}
proof, err := sb.SealCommit(s.sid, s.ticket, seed, []sectorbuilder.PublicPieceInfo{s.ppi}, s.pco)
if err != nil {
t.Fatalf("%+v", err)
}
ok, err := sectorbuilder.VerifySeal(sectorSize, s.pco.CommR[:], s.pco.CommD[:], sb.Miner, s.ticket.TicketBytes[:], seed.TicketBytes[:], s.sid, proof)
if err != nil {
t.Fatalf("%+v", err)
}
if !ok {
t.Fatal("proof failed to validate")
}
done()
}
func post(t *testing.T, sb *sectorbuilder.SectorBuilder, seals ...seal) time.Time {
cSeed := [32]byte{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}
ppi := make([]ffi.PublicSectorInfo, len(seals))
for i, s := range seals {
ppi[i] = ffi.PublicSectorInfo{
SectorID: s.sid,
CommR: s.pco.CommR,
}
}
ssi := sectorbuilder.NewSortedPublicSectorInfo(ppi)
candndates, err := sb.GenerateEPostCandidates(ssi, cSeed, []uint64{})
if err != nil {
t.Fatalf("%+v", err)
}
genCandidates := time.Now()
if len(candndates) != 1 {
t.Fatal("expected 1 candidate")
}
postProof, err := sb.ComputeElectionPoSt(ssi, cSeed[:], candndates)
if err != nil {
t.Fatalf("%+v", err)
}
ok, err := sectorbuilder.VerifyElectionPost(context.TODO(), sb.SectorSize(), ssi, cSeed[:], postProof, candndates, sb.Miner)
if err != nil {
t.Fatalf("%+v", err)
}
if !ok {
t.Fatal("bad post")
}
return genCandidates
}
func TestSealAndVerify(t *testing.T) {
if runtime.NumCPU() < 10 && os.Getenv("CI") == "" { // don't bother on slow hardware
t.Skip("this is slow")
}
_ = os.Setenv("RUST_LOG", "info")
build.SectorSizes = []uint64{sectorSize}
if err := build.GetParams(sectorSize); err != nil {
t.Fatalf("%+v", err)
}
ds := datastore.NewMapDatastore()
dir, err := ioutil.TempDir("", "sbtest")
if err != nil {
t.Fatal(err)
}
sb, err := sectorbuilder.TempSectorbuilderDir(dir, sectorSize, ds)
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, err := sb.AcquireSectorId()
if err != nil {
t.Fatalf("%+v", err)
}
s := seal{sid: si}
start := time.Now()
s.precommit(t, sb, 1, func() {})
precommit := time.Now()
s.commit(t, sb, func() {})
commit := time.Now()
genCandidiates := post(t, sb, s)
epost := time.Now()
// Restart sectorbuilder, re-run post
sb, err = sectorbuilder.TempSectorbuilderDir(dir, sectorSize, ds)
if err != nil {
t.Fatalf("%+v", err)
}
post(t, sb, s)
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) {
if runtime.NumCPU() < 10 && os.Getenv("CI") == "" { // don't bother on slow hardware
t.Skip("this is slow")
}
_ = os.Setenv("RUST_LOG", "info")
build.SectorSizes = []uint64{sectorSize}
if err := build.GetParams(sectorSize); err != nil {
t.Fatalf("%+v", err)
}
ds := datastore.NewMapDatastore()
dir, err := ioutil.TempDir("", "sbtest")
if err != nil {
t.Fatal(err)
}
sb, err := sectorbuilder.TempSectorbuilderDir(dir, sectorSize, ds)
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, err := sb.AcquireSectorId()
if err != nil {
t.Fatalf("%+v", err)
}
s := seal{sid: si}
start := time.Now()
s.precommit(t, sb, 1, func() {})
precommit := time.Now()
// Restart sectorbuilder, re-run post
sb, err = sectorbuilder.TempSectorbuilderDir(dir, sectorSize, ds)
if err != nil {
t.Fatalf("%+v", err)
}
if err := sb.TrimCache(1); 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) {
if runtime.NumCPU() < 10 && os.Getenv("CI") == "" { // don't bother on slow hardware
t.Skip("this is slow")
}
_ = os.Setenv("RUST_LOG", "info")
build.SectorSizes = []uint64{sectorSize}
if err := build.GetParams(sectorSize); err != nil {
t.Fatalf("%+v", err)
}
ds := datastore.NewMapDatastore()
dir, err := ioutil.TempDir("", "sbtest")
if err != nil {
t.Fatal(err)
}
sb, err := sectorbuilder.TempSectorbuilderDir(dir, sectorSize, ds)
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, err := sb.AcquireSectorId()
if err != nil {
t.Fatalf("%+v", err)
}
si2, err := sb.AcquireSectorId()
if err != nil {
t.Fatalf("%+v", err)
}
s1 := seal{sid: si1}
s2 := seal{sid: si2}
wg.Add(2)
go s1.precommit(t, sb, 1, wg.Done)
time.Sleep(100 * time.Millisecond)
go s2.precommit(t, sb, 2, wg.Done)
wg.Wait()
wg.Add(2)
go s1.commit(t, sb, wg.Done)
go s2.commit(t, sb, wg.Done)
wg.Wait()
post(t, sb, s1, s2)
}
func TestAcquireID(t *testing.T) {
ds := datastore.NewMapDatastore()
dir, err := ioutil.TempDir("", "sbtest")
if err != nil {
t.Fatal(err)
}
sb, err := sectorbuilder.TempSectorbuilderDir(dir, sectorSize, ds)
if err != nil {
t.Fatalf("%+v", err)
}
assertAcquire := func(expect uint64) {
id, err := sb.AcquireSectorId()
require.NoError(t, err)
assert.Equal(t, expect, id)
}
assertAcquire(1)
assertAcquire(2)
assertAcquire(3)
sb, err = sectorbuilder.TempSectorbuilderDir(dir, sectorSize, ds)
if err != nil {
t.Fatalf("%+v", err)
}
assertAcquire(4)
assertAcquire(5)
assertAcquire(6)
if err := os.RemoveAll(dir); err != nil {
t.Error(err)
}
}