cmd/lotus-provider/tasks/tasks.go

@@ -72,6 +72,10 @@ func StartTasks(ctx context.Context, dependencies *deps.Deps) (*harmonytask.Task
 			sdrTask := lpseal.NewSDRTask(full, db, sp, slr, cfg.Subsystems.SealSDRMaxTasks)
 			activeTasks = append(activeTasks, sdrTask)
 		}
+		if cfg.Subsystems.EnableSealSDRTrees {
+			treesTask := lpseal.NewTreesTask(sp, db, slr, cfg.Subsystems.SealSDRTreesMaxTasks)
+			activeTasks = append(activeTasks, treesTask)
+		}
 	}
 	log.Infow("This lotus_provider instance handles",
 		"miner_addresses", maddrs,

lib/harmony/resources/getGPU.go

@@ -11,6 +11,7 @@ import (
 
 func getGPUDevices() float64 { // GPU boolean
 	gpus, err := ffi.GetGPUDevices()
+	logger.Infow("GPUs", "list", gpus)
 	if err != nil {
 		logger.Errorf("getting gpu devices failed: %+v", err)
 	}

node/config/types.go

@@ -103,9 +103,17 @@ type ProviderSubsystemsConfig struct {
 	GuiAddress string
 
 	// EnableSealSDR enables SDR tasks to run. SDR is the long sequential computation
-	// creating layers. In lotus-miner this was run as part of PreCommit1.
+	// creating layers.
+	// In lotus-miner this was run as part of PreCommit1.
 	EnableSealSDR   bool
 	SealSDRMaxTasks int
+
+	// EnableSealSDRTrees enables the SDR pipeline tree-building task to run.
+	// This task handles encoding of unsealed data into last sdr layer and building
+	// of TreeR, TreeC and TreeD.
+	// In lotus-miner this was run as part of PreCommit2 (TreeD was run in PreCommit1).
+	EnableSealSDRTrees   bool
+	SealSDRTreesMaxTasks int
 }
 
 type DAGStoreConfig struct {

provider/lpffi/sdr_funcs.go

@@ -2,14 +2,19 @@ package lpffi
 
 import (
 	"context"
+	"encoding/json"
+	"fmt"
 	ffi "github.com/filecoin-project/filecoin-ffi"
 	commcid "github.com/filecoin-project/go-fil-commcid"
 	"github.com/filecoin-project/go-state-types/abi"
 	"github.com/filecoin-project/lotus/storage/paths"
+	"github.com/filecoin-project/lotus/storage/pipeline/lib/nullreader"
 	"github.com/filecoin-project/lotus/storage/sealer/storiface"
 	"github.com/ipfs/go-cid"
 	logging "github.com/ipfs/go-log/v2"
 	"golang.org/x/xerrors"
+	"io"
+	"os"
 )
 
 var log = logging.Logger("lpffi")
@@ -104,6 +109,92 @@ func (sb *SealCalls) GenerateSDR(ctx context.Context, sector storiface.SectorRef
 	return nil
 }
 
-func (sb *SealCalls) TreeRC() {
+func (sb *SealCalls) TreeRC(ctx context.Context, sector storiface.SectorRef, unsealed cid.Cid) (cid.Cid, cid.Cid, error) {
-	ffi.SealPreCommitPhase2()
+	p1o, err := sb.makePhase1Out(unsealed, sector.ProofType)
+	if err != nil {
+		return cid.Undef, cid.Undef, xerrors.Errorf("make phase1 output: %w", err)
+	}
+
+	paths, releaseSector, err := sb.sectors.AcquireSector(ctx, sector, storiface.FTCache, storiface.FTSealed, storiface.PathSealing)
+	if err != nil {
+		return cid.Undef, cid.Undef, xerrors.Errorf("acquiring sector paths: %w", err)
+	}
+	defer releaseSector()
+
+	{
+		// create sector-sized file at paths.Sealed; PC2 transforms it into a sealed sector in-place
+		ssize, err := sector.ProofType.SectorSize()
+		if err != nil {
+			return cid.Undef, cid.Undef, xerrors.Errorf("getting sector size: %w", err)
+		}
+
+		// paths.Sealed is a string filepath
+		f, err := os.Create(paths.Sealed)
+		if err != nil {
+			return cid.Undef, cid.Undef, xerrors.Errorf("creating sealed sector file: %w", err)
+		}
+		if err := f.Truncate(int64(ssize)); err != nil {
+			return cid.Undef, cid.Undef, xerrors.Errorf("truncating sealed sector file: %w", err)
+		}
+
+		if os.Getenv("SEAL_WRITE_UNSEALED") == "1" {
+			// expliticly write zeros to unsealed sector
+			_, err := io.CopyN(f, nullreader.NewNullReader(abi.UnpaddedPieceSize(ssize)), int64(ssize))
+			if err != nil {
+				return cid.Undef, cid.Undef, xerrors.Errorf("writing zeros to sealed sector file: %w", err)
+			}
+		}
+	}
+
+	return ffi.SealPreCommitPhase2(p1o, paths.Cache, paths.Sealed)
+}
+
+func (sb *SealCalls) makePhase1Out(unsCid cid.Cid, spt abi.RegisteredSealProof) ([]byte, error) {
+	commd, err := commcid.CIDToDataCommitmentV1(unsCid)
+	if err != nil {
+		return nil, xerrors.Errorf("make uns cid: %w", err)
+	}
+
+	type Config struct {
+		ID            string `json:"id"`
+		Path          string `json:"path"`
+		RowsToDiscard int    `json:"rows_to_discard"`
+		Size          int    `json:"size"`
+	}
+
+	type Labels struct {
+		Labels []Config `json:"labels"`
+	}
+
+	var phase1Output struct {
+		CommD           [32]byte           `json:"comm_d"`
+		Config          Config             `json:"config"` // TreeD
+		Labels          map[string]*Labels `json:"labels"`
+		RegisteredProof string             `json:"registered_proof"`
+	}
+
+	copy(phase1Output.CommD[:], commd)
+
+	phase1Output.Config.ID = "tree-d"
+	phase1Output.Config.Path = "/placeholder"
+	phase1Output.Labels = map[string]*Labels{}
+
+	switch spt {
+	case abi.RegisteredSealProof_StackedDrg2KiBV1_1, abi.RegisteredSealProof_StackedDrg2KiBV1_1_Feat_SyntheticPoRep:
+		phase1Output.Config.RowsToDiscard = 0
+		phase1Output.Config.Size = 127
+		phase1Output.Labels["StackedDrg2KiBV1"].Labels = make([]Config, 2)
+		phase1Output.RegisteredProof = "StackedDrg2KiBV1_1"
+
+		for i, l := range phase1Output.Labels["StackedDrg2KiBV1"].Labels {
+			l.ID = fmt.Sprintf("layer-%d", i+1)
+			l.Path = "/placeholder"
+			l.RowsToDiscard = 0
+			l.Size = 64
+		}
+	default:
+		panic("todo")
+	}
+
+	return json.Marshal(phase1Output)
 }

provider/lpseal/poller.go

@@ -109,7 +109,7 @@ func (s *SealPoller) poll(ctx context.Context) error {
 
 		if task.TaskSDR == nil && s.pollers[pollerSDR].IsSet() {
 			s.pollers[pollerSDR].Val(ctx)(func(id harmonytask.TaskID, tx *harmonydb.Tx) (shouldCommit bool, seriousError error) {
-				n, err := tx.Exec(`UPDATE sectors_sdr_pipeline SET task_id_sdr = $1 WHERE sp_id = $2 AND sector_number = $3`, id, task.SpID, task.SectorNumber)
+				n, err := tx.Exec(`UPDATE sectors_sdr_pipeline SET task_id_sdr = $1 WHERE sp_id = $2 AND sector_number = $3 and task_id_sdr is null`, id, task.SpID, task.SectorNumber)
 				if err != nil {
 					return false, xerrors.Errorf("update sectors_sdr_pipeline: %w", err)
 				}
@@ -120,16 +120,19 @@ func (s *SealPoller) poll(ctx context.Context) error {
 				return true, nil
 			})
 		}
-		if task.TaskTreeD == nil {
+		if task.TaskTreeD == nil && task.TaskTreeC == nil && task.TaskTreeR == nil && s.pollers[pollerTrees].IsSet() && task.AfterSDR {
-			// todo start tree d task
+			s.pollers[pollerTrees].Val(ctx)(func(id harmonytask.TaskID, tx *harmonydb.Tx) (shouldCommit bool, seriousError error) {
+				n, err := tx.Exec(`UPDATE sectors_sdr_pipeline SET task_id_tree_d = $1, task_id_tree_c = $1, task_id_tree_r = $1
+                            WHERE sp_id = $2 AND sector_number = $3 and task_id_tree_d is null and task_id_tree_c is null and task_id_tree_r is null`, id, task.SpID, task.SectorNumber)
+				if err != nil {
+					return false, xerrors.Errorf("update sectors_sdr_pipeline: %w", err)
+				}
+				if n != 1 {
+					return false, xerrors.Errorf("expected to update 1 row, updated %d", n)
 				}
 
-		// todo those two are really one pc2
+				return true, nil
-		if task.TaskTreeC == nil && task.AfterSDR {
+			})
-			// todo start tree c task
-		}
-		if task.TaskTreeR == nil && task.AfterTreeC {
-			// todo start tree r task
 		}
 
 		if task.TaskPrecommitMsg == nil && task.AfterTreeR && task.AfterTreeD {

provider/lpseal/task_trees.go

@@ -20,6 +20,16 @@ type TreesTask struct {
 	max int
 }
 
+func NewTreesTask(sp *SealPoller, db *harmonydb.DB, sc *lpffi.SealCalls, maxTrees int) *TreesTask {
+	return &TreesTask{
+		sp: sp,
+		db: db,
+		sc: sc,
+
+		max: maxTrees,
+	}
+}
+
 func (t *TreesTask) Do(taskID harmonytask.TaskID, stillOwned func() bool) (done bool, err error) {
 	ctx := context.Background()
 
@@ -76,7 +86,25 @@ func (t *TreesTask) Do(taskID harmonytask.TaskID, stillOwned func() bool) (done
 		ProofType: sectorParams.RegSealProof,
 	}
 
-	t.sc.
+	sealed, unsealed, err := t.sc.TreeRC(ctx, sref, commd)
+	if err != nil {
+		return false, xerrors.Errorf("computing tree r and c: %w", err)
+	}
+
+	// todo tree d!! (?)
+
+	n, err := t.db.Exec(ctx, `UPDATE sectors_sdr_pipeline
+		SET after_tree_r = true, after_tree_c = true, after_tree_d = true, tree_r_cid = $1, tree_d_cid = $3
+		WHERE sp_id = $1 AND sector_number = $2`,
+		sectorParams.SpID, sectorParams.SectorNumber, sealed, unsealed)
+	if err != nil {
+		return false, xerrors.Errorf("store sdr-trees success: updating pipeline: %w", err)
+	}
+	if n != 1 {
+		return false, xerrors.Errorf("store sdr-trees success: updated %d rows", n)
+	}
+
+	return true, nil
 }
 
 func (t *TreesTask) CanAccept(ids []harmonytask.TaskID, engine *harmonytask.TaskEngine) (*harmonytask.TaskID, error) {
@@ -93,7 +121,7 @@ func (t *TreesTask) TypeDetails() harmonytask.TaskTypeDetails {
 		Cost: resources.Resources{
 			Cpu: 1,
 			Gpu: 1,
-			Ram: 8000, // todo
+			Ram: 8000 << 20, // todo
 		},
 		MaxFailures: 3,
 		Follows:     nil,