deals: Almost sealing client data

node/impl/storminer.go

@@ -3,6 +3,7 @@ package impl
 import (
 	"context"
 	"fmt"
+	"io"
 	"io/ioutil"
 	"math/rand"
 
@@ -20,20 +21,12 @@ type StorageMinerAPI struct {
 }
 
 func (sm *StorageMinerAPI) StoreGarbageData(ctx context.Context) (uint64, error) {
-	maxSize := uint64(1016) // this is the most data we can fit in a 1024 byte sector
-	data := make([]byte, maxSize)
-	fi, err := ioutil.TempFile("", "lotus-garbage")
-	if err != nil {
-		return 0, err
-	}
-
-	if _, err := fi.Write(data); err != nil {
-		return 0, err
-	}
-	fi.Close()
+	maxSize := 1016 // this is the most data we can fit in a 1024 byte sector
 
 	name := fmt.Sprintf("fake-file-%d", rand.Intn(100000000))
-	sectorId, err := sm.SectorBuilder.AddPiece(name, maxSize, fi.Name())
+
+	sectorId, err := sm.SectorBuilder.AddPiece(ctx, name, uint64(maxSize),
+		ioutil.NopCloser(io.LimitReader(rand.New(rand.NewSource(rand.Int63())), int64(maxSize))))
 	if err != nil {
 		return 0, err
 	}