test fastPledgeCommitment

garbage.go

@@ -5,54 +5,16 @@ import (
 	"context"
 	"io"
 	"math"
-	"math/bits"
 	"math/rand"
 	"runtime"
-	"sync"
 
 	sectorbuilder "github.com/filecoin-project/go-sectorbuilder"
-	"github.com/hashicorp/go-multierror"
 	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/types"
 )
 
-func (m *Sealing) fastPledgeCommitment(size uint64, parts uint64) (commP [sectorbuilder.CommLen]byte, err error) {
-	parts = 1 << bits.Len64(parts) // round down to nearest power of 2
-
-	piece := sectorbuilder.UserBytesForSectorSize((size/127 + size) / parts)
-	out := make([]sectorbuilder.PublicPieceInfo, parts)
-	var lk sync.Mutex
-
-	var wg sync.WaitGroup
-	wg.Add(int(parts))
-	for i := uint64(0); i < parts; i++ {
-		go func(i uint64) {
-			defer wg.Done()
-
-			commP, perr := sectorbuilder.GeneratePieceCommitment(io.LimitReader(rand.New(rand.NewSource(42+int64(i))), int64(piece)), piece)
-
-			lk.Lock()
-			if perr != nil {
-				err = multierror.Append(err, perr)
-			}
-			out[i] = sectorbuilder.PublicPieceInfo{
-				Size:  piece,
-				CommP: commP,
-			}
-			lk.Unlock()
-		}(i)
-	}
-	wg.Wait()
-
-	if err != nil {
-		return [32]byte{}, err
-	}
-
-	return sectorbuilder.GenerateDataCommitment(m.sb.SectorSize(), out)
-}
-
 func (m *Sealing) pledgeReader(size uint64, parts uint64) io.Reader {
 	piece := sectorbuilder.UserBytesForSectorSize((size/127 + size) / parts)
 

utils.go

@@ -1,7 +1,12 @@
 package sealing
 
 import (
+	"io"
 	"math/bits"
+	"math/rand"
+	"sync"
+
+	"github.com/hashicorp/go-multierror"
 
 	sectorbuilder "github.com/filecoin-project/go-sectorbuilder"
 )
@@ -42,6 +47,41 @@ func fillersFromRem(toFill uint64) ([]uint64, error) {
 	return out, nil
 }
 
+func (m *Sealing) fastPledgeCommitment(size uint64, parts uint64) (commP [sectorbuilder.CommLen]byte, err error) {
+	parts = 1 << bits.Len64(parts) // round down to nearest power of 2
+
+	piece := sectorbuilder.UserBytesForSectorSize(size / parts)
+	out := make([]sectorbuilder.PublicPieceInfo, parts)
+	var lk sync.Mutex
+
+	var wg sync.WaitGroup
+	wg.Add(int(parts))
+	for i := uint64(0); i < parts; i++ {
+		go func(i uint64) {
+			defer wg.Done()
+
+			commP, perr := sectorbuilder.GeneratePieceCommitment(io.LimitReader(rand.New(rand.NewSource(42+int64(i))), int64(piece)), piece)
+
+			lk.Lock()
+			if perr != nil {
+				err = multierror.Append(err, perr)
+			}
+			out[i] = sectorbuilder.PublicPieceInfo{
+				Size:  piece,
+				CommP: commP,
+			}
+			lk.Unlock()
+		}(i)
+	}
+	wg.Wait()
+
+	if err != nil {
+		return [32]byte{}, err
+	}
+
+	return sectorbuilder.GenerateDataCommitment(m.sb.SectorSize(), out)
+}
+
 func (m *Sealing) ListSectors() ([]SectorInfo, error) {
 	var sectors []SectorInfo
 	if err := m.sectors.List(&sectors); err != nil {

utils_test.go

@@ -1,6 +1,7 @@
 package sealing
 
 import (
+	"github.com/filecoin-project/lotus/storage/sbmock"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -42,5 +43,13 @@ func TestFillersFromRem(t *testing.T) {
 		ub = sectorbuilder.UserBytesForSectorSize(uint64(9) << i)
 		testFill(t, ub, []uint64{ub1, ub4})
 	}
-
+}
+
+func TestFastPledge(t *testing.T) {
+	sz := uint64(16 << 20)
+
+	s := Sealing{sb: sbmock.NewMockSectorBuilder(0, sz)}
+	if _, err := s.fastPledgeCommitment(sz, 5); err != nil {
+		t.Fatalf("%+v", err)
+	}
 }