add dagstore register-shard command

api/api_storage.go

@@ -227,6 +227,9 @@ type StorageMiner interface {
 	// DagstoreGC runs garbage collection on the DAG store.
 	DagstoreGC(ctx context.Context) ([]DagstoreShardResult, error) //perm:admin
 
+	// DagstoreRegisterShard registers a shard manually with dagstore with given pieceCID
+	DagstoreRegisterShard(ctx context.Context, key string) error //perm:admin
+
 	// IndexerAnnounceDeal informs indexer nodes that a new deal was received,
 	// so they can download its index
 	IndexerAnnounceDeal(ctx context.Context, proposalCid cid.Cid) error //perm:admin

cmd/lotus-miner/dagstore.go

@@ -59,6 +59,45 @@ var dagstoreListShardsCmd = &cli.Command{
 	},
 }
 
+var dagstoreRegisterShardCmd = &cli.Command{
+	Name:      "register-shard",
+	ArgsUsage: "[key/pieceCID]",
+	Usage:     "Register a shard",
+	Flags: []cli.Flag{
+		&cli.BoolFlag{
+			Name:        "color",
+			Usage:       "use color in display output",
+			DefaultText: "depends on output being a TTY",
+		},
+	},
+	Action: func(cctx *cli.Context) error {
+		if cctx.IsSet("color") {
+			color.NoColor = !cctx.Bool("color")
+		}
+
+		if cctx.NArg() != 1 {
+			return fmt.Errorf("must provide a single shard key")
+		}
+
+		marketsAPI, closer, err := lcli.GetMarketsAPI(cctx)
+		if err != nil {
+			return err
+		}
+		defer closer()
+
+		ctx := lcli.ReqContext(cctx)
+
+		shardKey := cctx.Args().First()
+		err = marketsAPI.DagstoreRegisterShard(ctx, shardKey)
+		if err != nil {
+			return err
+		}
+
+		fmt.Println("Registered shard " + shardKey)
+		return nil
+	},
+}
+
 var dagstoreInitializeShardCmd = &cli.Command{
 	Name:      "initialize-shard",
 	ArgsUsage: "[key]",

documentation/en/api-v0-methods-miner.md

@@ -22,6 +22,7 @@
   * [CreateBackup](#CreateBackup)
 * [Dagstore](#Dagstore)
   * [DagstoreGC](#DagstoreGC)
+  * [DagstoreRegisterShard] (#DagstoreRegisterShard)
   * [DagstoreInitializeAll](#DagstoreInitializeAll)
   * [DagstoreInitializeShard](#DagstoreInitializeShard)
   * [DagstoreListShards](#DagstoreListShards)
@@ -509,6 +510,22 @@ Response:
 ]
 ```
 
+### DagstoreRegisterShard
+DagstoreRegisterShard registers a shard with the dagstore. It takes
+a PieceCID as input and generates a success or error message.
+
+
+Perms: admin
+
+Inputs:
+```json
+[
+  "string value"
+]
+```
+
+Response: `{}`
+
 ### DagstoreInitializeAll
 DagstoreInitializeAll initializes all uninitialized shards in bulk,
 according to the policy passed in the parameters.

node/impl/storminer.go

@@ -37,8 +37,10 @@ import (
 	"github.com/filecoin-project/go-fil-markets/piecestore"
 	"github.com/filecoin-project/go-fil-markets/retrievalmarket"
 	"github.com/filecoin-project/go-fil-markets/storagemarket"
+	filmktsstore "github.com/filecoin-project/go-fil-markets/stores"
 	"github.com/filecoin-project/go-state-types/abi"
 	"github.com/filecoin-project/go-state-types/network"
+	mktsdagstore "github.com/filecoin-project/lotus/markets/dagstore"
 
 	sectorstorage "github.com/filecoin-project/lotus/extern/sector-storage"
 	"github.com/filecoin-project/lotus/extern/sector-storage/fsutil"
@@ -83,6 +85,7 @@ type StorageMinerAPI struct {
 	SectorBlocks      *sectorblocks.SectorBlocks        `optional:"true"`
 	Host              host.Host                         `optional:"true"`
 	DAGStore          *dagstore.DAGStore                `optional:"true"`
+	DAGStoreWrapper   *mktsdagstore.Wrapper             `optional:"true"`
 
 	// Miner / storage
 	Miner       *storage.Miner              `optional:"true"`
@@ -792,6 +795,35 @@ func (sm *StorageMinerAPI) DagstoreListShards(ctx context.Context) ([]api.Dagsto
 	return ret, nil
 }
 
+func (sm *StorageMinerAPI) DagstoreRegisterShard(ctx context.Context, key string) error {
+	if sm.DAGStore == nil {
+		return fmt.Errorf("dagstore not available on this node")
+	}
+
+	// First check if the shard has already been registered
+	k := shard.KeyFromString(key)
+	_, err := sm.DAGStore.GetShardInfo(k)
+	if err == nil {
+		// Shard already registered, nothing further to do
+		return nil
+	}
+	// If the shard is not registered we would expect ErrShardUnknown
+	if !errors.Is(err, dagstore.ErrShardUnknown) {
+		return fmt.Errorf("getting shard info from DAG store: %w", err)
+	}
+
+	pieceCid, err := cid.Parse(key)
+	if err != nil {
+		return fmt.Errorf("parsing shard key as piece cid: %w", err)
+	}
+
+	if err = filmktsstore.RegisterShardSync(ctx, sm.DAGStoreWrapper, pieceCid, "", true); err != nil {
+		return fmt.Errorf("failed to register shard: %w", err)
+	}
+
+	return nil
+}
+
 func (sm *StorageMinerAPI) DagstoreInitializeShard(ctx context.Context, key string) error {
 	if sm.DAGStore == nil {
 		return fmt.Errorf("dagstore not available on this node")