Dynamic Retrieval pricing

cmd/lotus-storage-miner/retrieval-deals.go

@@ -235,7 +235,7 @@ var retrievalSetAskCmd = &cli.Command{
 
 var retrievalGetAskCmd = &cli.Command{
 	Name:  "get-ask",
-	Usage: "Get the provider's current retrieval ask",
+	Usage: "Get the provider's current retrieval ask configured by the provider in the ask-store using the set-ask CLI command",
 	Flags: []cli.Flag{},
 	Action: func(cctx *cli.Context) error {
 		ctx := lcli.DaemonContext(cctx)

documentation/en/cli-lotus-miner.md

@@ -745,7 +745,7 @@ COMMANDS:
    selection  Configure acceptance criteria for retrieval deal proposals
    list       List all active retrieval deals for this miner
    set-ask    Configure the provider's retrieval ask
-   get-ask    Get the provider's current retrieval ask
+   get-ask    Get the provider's current retrieval ask configured by the provider in the ask-store using the set-ask CLI command
    help, h    Shows a list of commands or help for one command
 
 OPTIONS:
@@ -848,7 +848,7 @@ OPTIONS:
 ### lotus-miner retrieval-deals get-ask
 ```
 NAME:
-   lotus-miner retrieval-deals get-ask - Get the provider's current retrieval ask
+   lotus-miner retrieval-deals get-ask - Get the provider's current retrieval ask configured by the provider in the ask-store using the set-ask CLI command
 
 USAGE:
    lotus-miner retrieval-deals get-ask [command options] [arguments...]

extern/sector-storage/mock/mock.go

@@ -119,6 +119,10 @@ func (mgr *SectorMgr) AcquireSectorNumber() (abi.SectorNumber, error) {
 	return id, nil
 }
 
+func (mgr *SectorMgr) IsUnsealed(ctx context.Context, sector storage.SectorRef, offset storiface.UnpaddedByteIndex, size abi.UnpaddedPieceSize) (bool, error) {
+	return false, nil
+}
+
 func (mgr *SectorMgr) ForceState(sid storage.SectorRef, st int) error {
 	mgr.lk.Lock()
 	ss, ok := mgr.sectors[sid.ID]

extern/sector-storage/piece_provider.go

@@ -24,8 +24,11 @@ type Unsealer interface {
 type PieceProvider interface {
 	// ReadPiece is used to read an Unsealed piece at the given offset and of the given size from a Sector
 	ReadPiece(ctx context.Context, sector storage.SectorRef, offset storiface.UnpaddedByteIndex, size abi.UnpaddedPieceSize, ticket abi.SealRandomness, unsealed cid.Cid) (io.ReadCloser, bool, error)
+	IsUnsealed(ctx context.Context, sector storage.SectorRef, offset storiface.UnpaddedByteIndex, size abi.UnpaddedPieceSize) (bool, error)
 }
 
+var _ PieceProvider = &pieceProvider{}
+
 type pieceProvider struct {
 	storage *stores.Remote
 	index   stores.SectorIndex
@@ -40,6 +43,26 @@ func NewPieceProvider(storage *stores.Remote, index stores.SectorIndex, uns Unse
 	}
 }
 
+// IsUnsealed checks if we have the unsealed piece at the given offset in an already
+// existing unsealed file either locally or on any of the workers.
+func (p *pieceProvider) IsUnsealed(ctx context.Context, sector storage.SectorRef, offset storiface.UnpaddedByteIndex, size abi.UnpaddedPieceSize) (bool, error) {
+	if err := offset.Valid(); err != nil {
+		return false, xerrors.Errorf("offset is not valid: %w", err)
+	}
+	if err := size.Validate(); err != nil {
+		return false, xerrors.Errorf("size is not a valid piece size: %w", err)
+	}
+
+	ctxLock, cancel := context.WithCancel(ctx)
+	defer cancel()
+
+	if err := p.index.StorageLock(ctxLock, sector.ID, storiface.FTUnsealed, storiface.FTNone); err != nil {
+		return false, xerrors.Errorf("acquiring read sector lock: %w", err)
+	}
+
+	return p.storage.CheckIsUnsealed(ctxLock, sector, abi.PaddedPieceSize(offset.Padded()), size.Padded())
+}
+
 // tryReadUnsealedPiece will try to read the unsealed piece from an existing unsealed sector file for the given sector from any worker that has it.
 // It will NOT try to schedule an Unseal of a sealed sector file for the read.
 //

extern/sector-storage/piece_provider_test.go

@@ -53,24 +53,32 @@ func TestPieceProviderSimpleNoRemoteWorker(t *testing.T) {
 	// pre-commit 1
 	preCommit1 := ppt.preCommit1(t)
 
+	// check if IsUnsealed -> true
+	require.True(t, ppt.isUnsealed(t, storiface.UnpaddedByteIndex(0), size))
 	// read piece
 	ppt.readPiece(t, storiface.UnpaddedByteIndex(0), size,
 		false, pieceData)
 
 	// pre-commit 2
 	ppt.preCommit2(t, preCommit1)
 
+	// check if IsUnsealed -> true
+	require.True(t, ppt.isUnsealed(t, storiface.UnpaddedByteIndex(0), size))
 	// read piece
 	ppt.readPiece(t, storiface.UnpaddedByteIndex(0), size,
 		false, pieceData)
 
 	// finalize -> nil here will remove unsealed file
 	ppt.finalizeSector(t, nil)
 
+	// check if IsUnsealed -> false
+	require.False(t, ppt.isUnsealed(t, storiface.UnpaddedByteIndex(0), size))
 	// Read the piece -> will have to unseal
 	ppt.readPiece(t, storiface.UnpaddedByteIndex(0), size,
 		true, pieceData)
 
+	// check if IsUnsealed -> true
+	require.True(t, ppt.isUnsealed(t, storiface.UnpaddedByteIndex(0), size))
 	// read the piece -> will not have to unseal
 	ppt.readPiece(t, storiface.UnpaddedByteIndex(0), size,
 		false, pieceData)
@@ -118,12 +126,18 @@ func TestReadPieceRemoteWorkers(t *testing.T) {
 
 	// pre-commit 1
 	pC1 := ppt.preCommit1(t)
+
+	// check if IsUnsealed -> true
+	require.True(t, ppt.isUnsealed(t, storiface.UnpaddedByteIndex(0), pd1size))
 	// Read the piece -> no need to unseal
 	ppt.readPiece(t, storiface.UnpaddedByteIndex(0), pd1size,
 		false, pd1)
 
 	// pre-commit 2
 	ppt.preCommit2(t, pC1)
+
+	// check if IsUnsealed -> true
+	require.True(t, ppt.isUnsealed(t, storiface.UnpaddedByteIndex(0), pd1size))
 	// Read the piece -> no need to unseal
 	ppt.readPiece(t, storiface.UnpaddedByteIndex(0), pd1size,
 		false, pd1)
@@ -133,6 +147,8 @@ func TestReadPieceRemoteWorkers(t *testing.T) {
 	// sending nil here will remove all unsealed files after sector is finalized.
 	ppt.finalizeSector(t, nil)
 
+	// check if IsUnsealed -> false
+	require.False(t, ppt.isUnsealed(t, storiface.UnpaddedByteIndex(0), pd1size))
 	// Read the piece -> have to unseal since we removed the file.
 	ppt.readPiece(t, storiface.UnpaddedByteIndex(0), pd1size,
 		true, pd1)
@@ -142,14 +158,21 @@ func TestReadPieceRemoteWorkers(t *testing.T) {
 
 	// remove the unsealed file and read again -> will have to unseal.
 	ppt.removeAllUnsealedSectorFiles(t)
+	// check if IsUnsealed -> false
+	require.False(t, ppt.isUnsealed(t, storiface.UnpaddedByteIndex(0), pd1size))
 	ppt.readPiece(t, storiface.UnpaddedByteIndex(0), pd1size,
 		true, pd1)
 
+	// check if IsUnsealed -> true
+	require.True(t, ppt.isUnsealed(t, storiface.UnpaddedByteIndex(pd1size), pd2size))
 	// Read Piece 2 -> no unsealing as it got unsealed above.
 	ppt.readPiece(t, storiface.UnpaddedByteIndex(pd1size), pd2size, false, pd2)
 
 	// remove all unseal files -> Read Piece 2 -> will have to Unseal.
 	ppt.removeAllUnsealedSectorFiles(t)
+
+	// check if IsUnsealed -> false
+	require.False(t, ppt.isUnsealed(t, storiface.UnpaddedByteIndex(pd1size), pd2size))
 	ppt.readPiece(t, storiface.UnpaddedByteIndex(pd1size), pd2size, true, pd2)
 }
 
@@ -306,6 +329,12 @@ func (p *pieceProviderTestHarness) preCommit2(t *testing.T, pc1 specstorage.PreC
 	p.commD = commD
 }
 
+func (p *pieceProviderTestHarness) isUnsealed(t *testing.T, offset storiface.UnpaddedByteIndex, size abi.UnpaddedPieceSize) bool {
+	b, err := p.pp.IsUnsealed(p.ctx, p.sector, offset, size)
+	require.NoError(t, err)
+	return b
+}
+
 func (p *pieceProviderTestHarness) readPiece(t *testing.T, offset storiface.UnpaddedByteIndex, size abi.UnpaddedPieceSize,
 	expectedHadToUnseal bool, expectedBytes []byte) {
 	rd, isUnsealed, err := p.pp.ReadPiece(p.ctx, p.sector, offset, size, p.ticket, p.commD)

extern/sector-storage/stores/remote.go

@@ -484,6 +484,78 @@ func (r *Remote) readRemote(ctx context.Context, url string, offset, size abi.Pa
 	return resp.Body, nil
 }
 
+// CheckIsUnsealed checks if we have an unsealed piece at the given offset in an already unsealed sector file for the given piece
+// either locally or on any of the workers.
+// Returns true if we have the unsealed piece, false otherwise.
+func (r *Remote) CheckIsUnsealed(ctx context.Context, s storage.SectorRef, offset, size abi.PaddedPieceSize) (bool, error) {
+	ft := storiface.FTUnsealed
+
+	paths, _, err := r.local.AcquireSector(ctx, s, ft, storiface.FTNone, storiface.PathStorage, storiface.AcquireMove)
+	if err != nil {
+		return false, xerrors.Errorf("acquire local: %w", err)
+	}
+
+	path := storiface.PathByType(paths, ft)
+	if path != "" {
+		// if we have the unsealed file locally, check if it has the unsealed piece.
+		log.Infof("Read local %s (+%d,%d)", path, offset, size)
+		ssize, err := s.ProofType.SectorSize()
+		if err != nil {
+			return false, err
+		}
+
+		// open the unsealed sector file for the given sector size located at the given path.
+		pf, err := r.pfHandler.OpenPartialFile(abi.PaddedPieceSize(ssize), path)
+		if err != nil {
+			return false, xerrors.Errorf("opening partial file: %w", err)
+		}
+		log.Debugf("local partial file opened %s (+%d,%d)", path, offset, size)
+
+		// even though we have an unsealed file for the given sector, we still need to determine if we have the unsealed piece
+		// in the unsealed sector file. That is what `HasAllocated` checks for.
+		has, err := r.pfHandler.HasAllocated(pf, storiface.UnpaddedByteIndex(offset.Unpadded()), size.Unpadded())
+		if err != nil {
+			return false, xerrors.Errorf("has allocated: %w", err)
+		}
+
+		if err := r.pfHandler.Close(pf); err != nil {
+			return false, xerrors.Errorf("failed to close partial file: %s", err)
+		}
+		log.Debugf("checked if local partial file has the piece %s (+%d,%d), returning answer=%t", path, offset, size, has)
+		return has, nil
+	}
+
+	si, err := r.index.StorageFindSector(ctx, s.ID, ft, 0, false)
+	if err != nil {
+		return false, xerrors.Errorf("StorageFindSector: %s", err)
+	}
+
+	if len(si) == 0 {
+		return false, nil
+	}
+
+	sort.Slice(si, func(i, j int) bool {
+		return si[i].Weight < si[j].Weight
+	})
+
+	for _, info := range si {
+		for _, url := range info.URLs {
+			ok, err := r.checkAllocated(ctx, url, s.ProofType, offset, size)
+			if err != nil {
+				log.Warnw("check if remote has piece", "url", url, "error", err)
+				continue
+			}
+			if !ok {
+				continue
+			}
+
+			return true, nil
+		}
+	}
+
+	return false, nil
+}
+
 // Reader returns a reader for an unsealed piece at the given offset in the given sector.
 // If the Miner has the unsealed piece locally, it will return a reader that reads from the local copy.
 // If the Miner does NOT have the unsealed piece locally, it will query all workers that have the unsealed sector file
@@ -507,7 +579,7 @@ func (r *Remote) Reader(ctx context.Context, s storage.SectorRef, offset, size a
 	if path != "" {
 		// if we have the unsealed file locally, return a reader that can be used to read the contents of the
 		// unsealed piece.
-		log.Infof("Read local %s (+%d,%d)", path, offset, size)
+		log.Debugf("Check local %s (+%d,%d)", path, offset, size)
 		ssize, err := s.ProofType.SectorSize()
 		if err != nil {
 			return nil, err