booster bitswap MVP executable (#707)

* feat(booster-bitswap): booster bitswap MVP untested

* refactor(booster-bitswap): use API for fetching blocks

* fix(deps): update deps to compile

* feat(booster-bitswap): makefile & fixes

add commands to build booster-bitswap, and very a round tripped successful fetch from
booster-bitswap

* refactor: clean up unused vars etc

* fix: booster-bitsawp - check error when creating libp2p key

* refactor(node): avoid FreeAndUnsealed method

Co-authored-by: Dirk McCormick <dirkmdev@gmail.com>
Co-authored-by: Anton Evangelatov <anton.evangelatov@gmail.com>

.gitignore

@@ -3,6 +3,7 @@
 /boostd
 /devnet
 /booster-http
+/booster-bitswap
 /docgen-md
 /docgen-openrpc
 extern/filecoin-ffi/rust/target

Makefile

@@ -98,6 +98,12 @@ booster-http: $(BUILD_DEPS)
 .PHONY: booster-http
 BINS+=booster-http
 
+booster-bitswap: $(BUILD_DEPS)
+	rm -f booster-bitswap
+	$(GOCC) build $(GOFLAGS) -o booster-bitswap ./cmd/booster-bitswap
+.PHONY: booster-bitswap
+BINS+=booster-bitswap
+
 devnet: $(BUILD_DEPS)
 	rm -f devnet
 	$(GOCC) build $(GOFLAGS) -o devnet ./cmd/devnet

api/api.go

@@ -48,6 +48,11 @@ type Boost interface {
 	BoostDagstorePiecesContainingMultihash(ctx context.Context, mh multihash.Multihash) ([]cid.Cid, error)                         //perm:read
 	BoostDagstoreListShards(ctx context.Context) ([]DagstoreShardInfo, error)                                                      //perm:read
 
+	// MethodGroup: Blockstore
+	BlockstoreGet(ctx context.Context, c cid.Cid) ([]byte, error)  //perm:read
+	BlockstoreHas(ctx context.Context, c cid.Cid) (bool, error)    //perm:read
+	BlockstoreGetSize(ctx context.Context, c cid.Cid) (int, error) //perm:read
+
 	// RuntimeSubsystems returns the subsystems that are enabled
 	// in this instance.
 	RuntimeSubsystems(ctx context.Context) (lapi.MinerSubsystems, error) //perm:read

cmd/booster-bitswap/main.go

@@ -0,0 +1,42 @@
+package main
+
+import (
+	"os"
+
+	"github.com/filecoin-project/boost/build"
+	cliutil "github.com/filecoin-project/boost/cli/util"
+	logging "github.com/ipfs/go-log/v2"
+	"github.com/urfave/cli/v2"
+)
+
+var log = logging.Logger("booster")
+
+func main() {
+	app := &cli.App{
+		Name:                 "booster-bitswap",
+		Usage:                "Bitswap endpoint for retrieval from Filecoin",
+		EnableBashCompletion: true,
+		Version:              build.UserVersion(),
+		Flags: []cli.Flag{
+			cliutil.FlagVeryVerbose,
+		},
+		Commands: []*cli.Command{
+			runCmd,
+		},
+	}
+	app.Setup()
+
+	if err := app.Run(os.Args); err != nil {
+		os.Stderr.WriteString("Error: " + err.Error() + "\n")
+	}
+}
+
+func before(cctx *cli.Context) error {
+	_ = logging.SetLogLevel("booster", "INFO")
+
+	if cliutil.IsVeryVerbose {
+		_ = logging.SetLogLevel("booster", "DEBUG")
+	}
+
+	return nil
+}

cmd/booster-bitswap/remoteblockstore/remoteblockstore.go

@@ -0,0 +1,72 @@
+package remoteblockstore
+
+import (
+	"context"
+	"errors"
+
+	blocks "github.com/ipfs/go-block-format"
+	logging "github.com/ipfs/go-log/v2"
+
+	"github.com/ipfs/go-cid"
+	blockstore "github.com/ipfs/go-ipfs-blockstore"
+)
+
+var log = logging.Logger("remote-blockstore")
+
+var _ blockstore.Blockstore = (*RemoteBlockstore)(nil)
+
+type RemoteBlockstoreAPI interface {
+	BlockstoreGet(ctx context.Context, c cid.Cid) ([]byte, error)
+	BlockstoreHas(ctx context.Context, c cid.Cid) (bool, error)
+	BlockstoreGetSize(ctx context.Context, c cid.Cid) (int, error)
+}
+
+// RemoteBlockstore is a read-only blockstore over all cids across all pieces on a provider.
+type RemoteBlockstore struct {
+	api RemoteBlockstoreAPI
+}
+
+func NewRemoteBlockstore(api RemoteBlockstoreAPI) blockstore.Blockstore {
+	return &RemoteBlockstore{
+		api: api,
+	}
+}
+
+func (ro *RemoteBlockstore) Get(ctx context.Context, c cid.Cid) (b blocks.Block, err error) {
+	log.Debugw("Get", "cid", c)
+	data, err := ro.api.BlockstoreGet(ctx, c)
+	log.Debugw("Get response", "cid", c, "error", err)
+	if err != nil {
+		return nil, err
+	}
+	return blocks.NewBlockWithCid(data, c)
+}
+
+func (ro *RemoteBlockstore) Has(ctx context.Context, c cid.Cid) (bool, error) {
+	log.Debugw("Has", "cid", c)
+	has, err := ro.api.BlockstoreHas(ctx, c)
+	log.Debugw("Has response", "cid", c, "has", has, "error", err)
+	return has, err
+}
+
+func (ro *RemoteBlockstore) GetSize(ctx context.Context, c cid.Cid) (int, error) {
+	log.Debugw("GetSize", "cid", c)
+	size, err := ro.api.BlockstoreGetSize(ctx, c)
+	log.Debugw("GetSize response", "cid", c, "size", size, "error", err)
+	return size, err
+}
+
+// --- UNSUPPORTED BLOCKSTORE METHODS -------
+func (ro *RemoteBlockstore) DeleteBlock(context.Context, cid.Cid) error {
+	return errors.New("unsupported operation DeleteBlock")
+}
+func (ro *RemoteBlockstore) HashOnRead(_ bool) {}
+func (ro *RemoteBlockstore) Put(context.Context, blocks.Block) error {
+	return errors.New("unsupported operation Put")
+}
+func (ro *RemoteBlockstore) PutMany(context.Context, []blocks.Block) error {
+	return errors.New("unsupported operation PutMany")
+}
+func (ro *RemoteBlockstore) AllKeysChan(ctx context.Context) (<-chan cid.Cid, error) {
+	return nil, errors.New("unsupported operation AllKeysChan")
+}

cmd/booster-bitswap/run.go

@@ -0,0 +1,102 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+	_ "net/http/pprof"
+	"strings"
+
+	"github.com/filecoin-project/boost/api"
+	bclient "github.com/filecoin-project/boost/api/client"
+	cliutil "github.com/filecoin-project/boost/cli/util"
+	"github.com/filecoin-project/boost/cmd/booster-bitswap/remoteblockstore"
+	"github.com/filecoin-project/go-jsonrpc"
+	lcli "github.com/filecoin-project/lotus/cli"
+	"github.com/urfave/cli/v2"
+)
+
+var runCmd = &cli.Command{
+	Name:   "run",
+	Usage:  "Start a booster-bitswap process",
+	Before: before,
+	Flags: []cli.Flag{
+		&cli.BoolFlag{
+			Name:  "pprof",
+			Usage: "run pprof web server on localhost:6070",
+		},
+		&cli.UintFlag{
+			Name:  "port",
+			Usage: "the port to listen for bitswap requests on",
+			Value: 8888,
+		},
+		&cli.StringFlag{
+			Name:     "api-boost",
+			Usage:    "the endpoint for the boost API",
+			Required: true,
+		},
+	},
+	Action: func(cctx *cli.Context) error {
+		if cctx.Bool("pprof") {
+			go func() {
+				err := http.ListenAndServe("localhost:6070", nil)
+				if err != nil {
+					log.Error(err)
+				}
+			}()
+		}
+
+		// Connect to the Boost API
+		ctx := lcli.ReqContext(cctx)
+		boostAPIInfo := cctx.String("api-boost")
+		bapi, bcloser, err := getBoostAPI(ctx, boostAPIInfo)
+		if err != nil {
+			return fmt.Errorf("getting boost API: %w", err)
+		}
+		defer bcloser()
+
+		remoteStore := remoteblockstore.NewRemoteBlockstore(bapi)
+		// Create the server API
+		port := cctx.Int("port")
+		server := NewBitswapServer(port, remoteStore)
+
+		// Start the server
+		log.Infof("Starting booster-bitswap node on port %d", port)
+		err = server.Start(ctx)
+		if err != nil {
+			return err
+		}
+		// Monitor for shutdown.
+		<-ctx.Done()
+
+		log.Info("Shutting down...")
+
+		err = server.Stop()
+		if err != nil {
+			return err
+		}
+		log.Info("Graceful shutdown successful")
+
+		// Sync all loggers.
+		_ = log.Sync() //nolint:errcheck
+
+		return nil
+	},
+}
+
+func getBoostAPI(ctx context.Context, ai string) (api.Boost, jsonrpc.ClientCloser, error) {
+	ai = strings.TrimPrefix(strings.TrimSpace(ai), "BOOST_API_INFO=")
+	info := cliutil.ParseApiInfo(ai)
+	addr, err := info.DialArgs("v0")
+	if err != nil {
+		return nil, nil, fmt.Errorf("could not get DialArgs: %w", err)
+	}
+
+	log.Infof("Using boost API at %s", addr)
+	api, closer, err := bclient.NewBoostRPCV0(ctx, addr, info.AuthHeader())
+	if err != nil {
+		return nil, nil, fmt.Errorf("creating full node service API: %w", err)
+	}
+
+	return api, closer, nil
+}

cmd/booster-bitswap/server.go

@@ -0,0 +1,75 @@
+package main
+
+import (
+	"context"
+	"crypto/rand"
+	"fmt"
+
+	bsnetwork "github.com/ipfs/go-bitswap/network"
+	"github.com/ipfs/go-bitswap/server"
+	blockstore "github.com/ipfs/go-ipfs-blockstore"
+	nilrouting "github.com/ipfs/go-ipfs-routing/none"
+	"github.com/libp2p/go-libp2p"
+	crypto "github.com/libp2p/go-libp2p-core/crypto"
+	"github.com/libp2p/go-libp2p-core/network"
+	"github.com/libp2p/go-libp2p/p2p/muxer/mplex"
+	"github.com/libp2p/go-libp2p/p2p/muxer/yamux"
+	quic "github.com/libp2p/go-libp2p/p2p/transport/quic"
+	"github.com/libp2p/go-libp2p/p2p/transport/tcp"
+)
+
+type BitswapServer struct {
+	port        int
+	remoteStore blockstore.Blockstore
+
+	ctx    context.Context
+	cancel context.CancelFunc
+	server *server.Server
+}
+
+func NewBitswapServer(port int, remoteStore blockstore.Blockstore) *BitswapServer {
+	return &BitswapServer{port: port, remoteStore: remoteStore}
+}
+
+func (s *BitswapServer) Start(ctx context.Context) error {
+	s.ctx, s.cancel = context.WithCancel(ctx)
+	// setup libp2p host
+	privKey, _, err := crypto.GenerateECDSAKeyPair(rand.Reader)
+	if err != nil {
+		return err
+	}
+
+	host, err := libp2p.New(
+		libp2p.ListenAddrStrings(
+			fmt.Sprintf("/ip4/0.0.0.0/tcp/%d", s.port),
+			fmt.Sprintf("/ip4/0.0.0.0/udp/%d/quic", s.port),
+		),
+		libp2p.Transport(tcp.NewTCPTransport),
+		libp2p.Transport(quic.NewTransport),
+		libp2p.Muxer("/mplex/6.7.0", mplex.DefaultTransport),
+		libp2p.Muxer("/yamux/1.0.0", yamux.DefaultTransport),
+		libp2p.Identity(privKey),
+		libp2p.ResourceManager(network.NullResourceManager),
+	)
+	if err != nil {
+		return err
+	}
+
+	// start a bitswap session on the provider
+	nilRouter, err := nilrouting.ConstructNilRouting(ctx, nil, nil, nil)
+	if err != nil {
+		return err
+	}
+	bsopts := []server.Option{server.MaxOutstandingBytesPerPeer(1 << 20)}
+	net := bsnetwork.NewFromIpfsHost(host, nilRouter)
+	s.server = server.New(ctx, net, s.remoteStore, bsopts...)
+	net.Start(s.server)
+
+	log.Infow("bitswap server running", "multiaddrs", host.Addrs(), "peerId", host.ID())
+	return nil
+}
+
+func (s *BitswapServer) Stop() error {
+	s.cancel()
+	return s.server.Close()
+}