cerc-io/lotus
16
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 27 Wiki Activity

feat(datatransfer): integration w/ simple merkledag

Browse Source 
Integrates the data transfer module with a mock version of the module that just calls the dag
service
This commit is contained in:
hannahhoward 2019-10-28 16:51:50 -07:00
parent 98cf0769ff
commit 905259e192
9 changed files with 199 additions and 37 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
chain/deals/client.go
View File

@ -21,11 +21,13 @@ import (
"github.com/filecoin-project/lotus/chain/store"
"github.com/filecoin-project/lotus/chain/types"
"github.com/filecoin-project/lotus/chain/wallet"
"github.com/filecoin-project/lotus/datatransfer"
"github.com/filecoin-project/lotus/lib/cborutil"
"github.com/filecoin-project/lotus/lib/statestore"
"github.com/filecoin-project/lotus/node/impl/full"
"github.com/filecoin-project/lotus/node/modules/dtypes"
"github.com/filecoin-project/lotus/retrieval/discovery"
)
var log = logging.Logger("deals")
@ -48,6 +50,9 @@ type Client struct {
chain *store.ChainStore
h host.Host
w *wallet.Wallet
// dataTransfer -- not quite sure how this is referenced directly on client
// side
dataTransfer datatransfer.ClientDataTransfer
dag dtypes.ClientDAG
discovery *discovery.Local
events *events.Events
@ -70,12 +75,13 @@ type clientDealUpdate struct {
mut func(*ClientDeal)
}
func NewClient(sm *stmgr.StateManager, chain *store.ChainStore, h host.Host, w *wallet.Wallet, ds dtypes.MetadataDS, dag dtypes.ClientDAG, discovery *discovery.Local, fm *market.FundMgr, chainapi full.ChainAPI) *Client {
func NewClient(sm *stmgr.StateManager, chain *store.ChainStore, h host.Host, w *wallet.Wallet, ds dtypes.MetadataDS, dag dtypes.ClientDAG, dataTransfer datatransfer.ClientDataTransfer, discovery *discovery.Local, fm *market.FundMgr, chainapi full.ChainAPI) *Client {
c := &Client{
sm: sm,
chain: chain,
h: h,
w: w,
dataTransfer: dataTransfer,
dag: dag,
discovery: discovery,
fm: fm,

52
chain/deals/provider.go
View File

@ -2,6 +2,7 @@ package deals
import (
"context"
"errors"
"sync"
cid "github.com/ipfs/go-cid"
@ -15,6 +16,7 @@ import (
"github.com/filecoin-project/lotus/chain/actors"
"github.com/filecoin-project/lotus/chain/address"
"github.com/filecoin-project/lotus/chain/types"
"github.com/filecoin-project/lotus/datatransfer"
"github.com/filecoin-project/lotus/lib/cborutil"
"github.com/filecoin-project/lotus/lib/statestore"
"github.com/filecoin-project/lotus/node/modules/dtypes"
@ -47,10 +49,12 @@ type Provider struct {
sminer *storage.Miner
full api.FullNode
// TODO: Use a custom protocol or graphsync in the future
// TODO: GC
// TODO: This will go away once the whole storage market module + CAR
// is implemented
dag dtypes.StagingDAG
dataTransfer datatransfer.ProviderDataTransfer
deals *statestore.StateStore
ds dtypes.MetadataDS
@ -71,7 +75,11 @@ type minerDealUpdate struct {
mut func(*MinerDeal)
}
func NewProvider(ds dtypes.MetadataDS, sminer *storage.Miner, secb *sectorblocks.SectorBlocks, dag dtypes.StagingDAG, fullNode api.FullNode) (*Provider, error) {
var (
// ErrDataTransferFailed means a data transfer for a deal failed
ErrDataTransferFailed = errors.New("Deal data transfer failed")
)
func NewProvider(ds dtypes.MetadataDS, sminer *storage.Miner, secb *sectorblocks.SectorBlocks, dag dtypes.StagingDAG, dataTransfer datatransfer.ProviderDataTransfer, fullNode api.FullNode) (*Provider, error) {
addr, err := ds.Get(datastore.NewKey("miner-address"))
if err != nil {
return nil, err
@ -84,6 +92,7 @@ func NewProvider(ds dtypes.MetadataDS, sminer *storage.Miner, secb *sectorblocks
h := &Provider{
sminer: sminer,
dag: dag,
dataTransfer: dataTransfer,
full: fullNode,
secb: secb,
@ -115,6 +124,8 @@ func NewProvider(ds dtypes.MetadataDS, sminer *storage.Miner, secb *sectorblocks
}
}
h.dataTransfer.SubscribeToEvents(h.onDataTransferEvent)
return h, nil
}
@ -182,7 +193,7 @@ func (p *Provider) onUpdated(ctx context.Context, update minerDealUpdate) {
switch update.newState {
case api.DealAccepted:
p.handle(ctx, deal, p.accept, api.DealStaged)
p.handle(ctx, deal, p.accept, api.DealNoUpdate)
case api.DealStaged:
p.handle(ctx, deal, p.staged, api.DealSealing)
case api.DealSealing:
@ -192,6 +203,39 @@ func (p *Provider) onUpdated(ctx context.Context, update minerDealUpdate) {
}
}
func (p *Provider) onDataTransferEvent(event datatransfer.Event, channelState datatransfer.ChannelState) {
voucher, ok := channelState.Voucher().(StorageDataTransferVoucher)
// if this event is for a transfer not related to storage, ignore
if !ok {
return
}
// data transfer events for opening and progress do not affect deal state
var next api.DealState
var err error
switch event {
case datatransfer.Complete:
next = api.DealStaged
err = nil
case datatransfer.Error:
next = api.DealFailed
err = ErrDataTransferFailed
default:
// the only events we care about are complete and error
return
}
select {
case p.updated <- minerDealUpdate{
newState: next,
id: voucher.Proposal,
err: err,
mut: nil,
}:
case <-p.stop:
}
}
func (p *Provider) newDeal(s inet.Stream, proposal Proposal) (MinerDeal, error) {
proposalNd, err := cborutil.AsIpld(proposal.DealProposal)
if err != nil {

20
chain/deals/provider_states.go
View File

@ -4,7 +4,11 @@ import (
"bytes"
"context"
"github.com/ipfs/go-merkledag"
ipldfree "github.com/ipld/go-ipld-prime/impl/free"
"github.com/ipld/go-ipld-prime/traversal/selector"
"github.com/ipld/go-ipld-prime/traversal/selector/builder"
unixfile "github.com/ipfs/go-unixfs/file"
"golang.org/x/xerrors"
@ -149,9 +153,21 @@ func (p *Provider) accept(ctx context.Context, deal MinerDeal) (func(*MinerDeal)
log.Warnf("closing client connection: %+v", err)
}
ssb := builder.NewSelectorSpecBuilder(ipldfree.NodeBuilder())
// this is the selector for "get the whole DAG"
allSelector := ssb.ExploreRecursive(selector.RecursionLimitNone(),
ssb.ExploreAll(ssb.ExploreRecursiveEdge())).Node()
_, err = p.dataTransfer.OpenPullDataChannel(deal.Client,
StorageDataTransferVoucher{Proposal: deal.ProposalCid},
deal.Ref,
allSelector,
)
return func(deal *MinerDeal) {
deal.DealID = resp.DealIDs[0]
}, merkledag.FetchGraph(ctx, deal.Ref, p.dag)
}, nil
}
// STAGED

14
chain/deals/request_validation.go
View File

@ -9,7 +9,7 @@ import (
"github.com/ipfs/go-cid"
datastore "github.com/ipfs/go-datastore"
"github.com/ipfs/go-datastore/namespace"
"github.com/ipld/go-ipld-prime/traversal/selector"
"github.com/ipld/go-ipld-prime"
"github.com/libp2p/go-libp2p-core/peer"
"go.uber.org/fx"
@ -74,7 +74,7 @@ type ClientRequestValidator struct {
deals *statestore.StateStore
}
func RegisterClientValidator(lc fx.Lifecycle, crv *ClientRequestValidator, dtm datatransfer.Manager) {
func RegisterClientValidator(lc fx.Lifecycle, crv *ClientRequestValidator, dtm datatransfer.ClientDataTransfer) {
lc.Append(fx.Hook{
OnStart: func(ctx context.Context) error {
return dtm.RegisterVoucherType(reflect.TypeOf(StorageDataTransferVoucher{}), crv)
@ -93,7 +93,7 @@ func (c *ClientRequestValidator) ValidatePush(
sender peer.ID,
voucher datatransfer.Voucher,
PieceRef cid.Cid,
Selector selector.Selector) error {
Selector ipld.Node) error {
return ErrNoPushAccepted
}
@ -101,7 +101,7 @@ func (c *ClientRequestValidator) ValidatePull(
receiver peer.ID,
voucher datatransfer.Voucher,
PieceRef cid.Cid,
Selector selector.Selector) error {
Selector ipld.Node) error {
dealVoucher, ok := voucher.(StorageDataTransferVoucher)
if !ok {
return ErrWrongVoucherType
@ -135,7 +135,7 @@ type ProviderRequestValidator struct {
deals *statestore.StateStore
}
func RegisterProviderValidator(lc fx.Lifecycle, mrv *ProviderRequestValidator, dtm datatransfer.Manager) {
func RegisterProviderValidator(lc fx.Lifecycle, mrv *ProviderRequestValidator, dtm datatransfer.ProviderDataTransfer) {
lc.Append(fx.Hook{
OnStart: func(ctx context.Context) error {
return dtm.RegisterVoucherType(reflect.TypeOf(StorageDataTransferVoucher{}), mrv)
@ -153,7 +153,7 @@ func (m *ProviderRequestValidator) ValidatePush(
sender peer.ID,
voucher datatransfer.Voucher,
PieceRef cid.Cid,
Selector selector.Selector) error {
Selector ipld.Node) error {
dealVoucher, ok := voucher.(StorageDataTransferVoucher)
if !ok {
return ErrWrongVoucherType
@ -186,6 +186,6 @@ func (m *ProviderRequestValidator) ValidatePull(
receiver peer.ID,
voucher datatransfer.Voucher,
PieceRef cid.Cid,
Selector selector.Selector) error {
Selector ipld.Node) error {
return ErrNoPullAccepted
}

71
datatransfer/dagservice_impl.go Normal file
View File

@ -0,0 +1,71 @@
package datatransfer
import (
"context"
"fmt"
"reflect"
"github.com/ipfs/go-cid"
ipldformat "github.com/ipfs/go-ipld-format"
"github.com/ipfs/go-merkledag"
ipld "github.com/ipld/go-ipld-prime"
"github.com/libp2p/go-libp2p-core/peer"
"github.com/filecoin-project/lotus/node/modules/dtypes"
)
type dagserviceImpl struct {
dag ipldformat.DAGService
subscriber Subscriber
}
func NewProviderDAGServiceDataTransfer(dag dtypes.StagingDAG) Manager {
return &dagserviceImpl{dag, nil}
}
func NewClientDAGServiceDataTransfer(dag dtypes.ClientDAG) Manager {
return &dagserviceImpl{dag, nil}
}
// RegisterVoucherType registers a validator for the given voucher type
// will error if voucher type does not implement voucher
// or if there is a voucher type registered with an identical identifier
func (impl *dagserviceImpl) RegisterVoucherType(voucherType reflect.Type, validator RequestValidator) error {
return nil
}
// open a data transfer that will send data to the recipient peer and
// open a data transfer that will send data to the recipient peer and
// transfer parts of the piece that match the selector
func (impl *dagserviceImpl) OpenPushDataChannel(to peer.ID, voucher Voucher, PieceRef cid.Cid, Selector ipld.Node) (ChannelID, error) {
return ChannelID{}, fmt.Errorf("not implemented")
}
// open a data transfer that will request data from the sending peer and
// transfer parts of the piece that match the selector
func (impl *dagserviceImpl) OpenPullDataChannel(to peer.ID, voucher Voucher, PieceRef cid.Cid, Selector ipld.Node) (ChannelID, error) {
err := merkledag.FetchGraph(context.TODO(), PieceRef, impl.dag)
var event Event
if err != nil {
event = Error
} else {
event = Complete
}
impl.subscriber(event, ChannelState{Channel: Channel{voucher: voucher}})
return ChannelID{}, nil
}
// close an open channel (effectively a cancel)
func (impl *dagserviceImpl) CloseDataTransferChannel(x ChannelID) {}
// get status of a transfer
func (impl *dagserviceImpl) TransferChannelStatus(x ChannelID) Status { return ChannelNotFoundError }
// get notified when certain types of events happen
func (impl *dagserviceImpl) SubscribeToEvents(subscriber Subscriber) {
impl.subscriber = subscriber
}
// get all in progress transfers
func (impl *dagserviceImpl) InProgressChannels() map[ChannelID]ChannelState { return nil }

28
datatransfer/types.go
View File

@ -4,7 +4,7 @@ import (
"reflect"
"github.com/ipfs/go-cid"
selector "github.com/ipld/go-ipld-prime/traversal/selector"
ipld "github.com/ipld/go-ipld-prime"
"github.com/libp2p/go-libp2p-core/peer"
)
@ -51,9 +51,9 @@ type Channel struct {
// an identifier for this channel shared by request and responder, set by requestor through protocol
transferID TransferID
// base CID for the piece being transferred
PieceRef cid.Cid
pieceRef cid.Cid
// portion of Piece to return, spescified by an IPLD selector
Selector selector.Selector
selector ipld.Node
// used to verify this channel
voucher Voucher
// the party that is sending the data (not who initiated the request)
@ -64,6 +64,14 @@ type Channel struct {
totalSize uint64
}
func (c Channel) TranfersID() TransferID { return c.transferID }
func (c Channel) PieceRef() cid.Cid { return c.pieceRef }
func (c Channel) Selector() ipld.Node { return c.selector }
func (c Channel) Voucher() Voucher { return c.voucher }
func (c Channel) Sender() peer.ID { return c.sender }
func (c Channel) Recipient() peer.ID { return c.recipient }
func (c Channel) TotalSize() uint64 { return c.totalSize }
// ChannelState is immutable channel data plus mutable state
type ChannelState struct {
Channel
@ -73,6 +81,9 @@ type ChannelState struct {
received uint64
}
func (c ChannelState) Sent() uint64 { return c.sent }
func (c ChannelState) Received() uint64 { return c.received }
// Event is a name for an event that occurs on a data transfer channel
type Event string
@ -100,12 +111,12 @@ type RequestValidator interface {
sender peer.ID,
voucher Voucher,
PieceRef cid.Cid,
Selector selector.Selector) error
Selector ipld.Node) error
ValidatePull(
receiver peer.ID,
voucher Voucher,
PieceRef cid.Cid,
Selector selector.Selector) error
Selector ipld.Node) error
}
// Manager is the core interface presented by all implementations of
@ -119,11 +130,11 @@ type Manager interface {
// open a data transfer that will send data to the recipient peer and
// open a data transfer that will send data to the recipient peer and
// transfer parts of the piece that match the selector
OpenPushDataChannel(to peer.ID, voucher Voucher, PieceRef cid.Cid, Selector selector.Selector) ChannelID
OpenPushDataChannel(to peer.ID, voucher Voucher, PieceRef cid.Cid, Selector ipld.Node) (ChannelID, error)
// open a data transfer that will request data from the sending peer and
// transfer parts of the piece that match the selector
OpenPullDataChannel(to peer.ID, voucher Voucher, PieceRef cid.Cid, Selector selector.Selector) ChannelID
OpenPullDataChannel(to peer.ID, voucher Voucher, PieceRef cid.Cid, Selector ipld.Node) (ChannelID, error)
// close an open channel (effectively a cancel)
CloseDataTransferChannel(x ChannelID)
@ -137,3 +148,6 @@ type Manager interface {
// get all in progress transfers
InProgressChannels() map[ChannelID]ChannelState
}
type ClientDataTransfer Manager
type ProviderDataTransfer Manager

2
go.mod
View File

@ -40,7 +40,7 @@ require (
github.com/ipfs/go-log v0.0.2-0.20190920042044-a609c1ae5144
github.com/ipfs/go-merkledag v0.2.3
github.com/ipfs/go-unixfs v0.2.2-0.20190827150610-868af2e9e5cb
github.com/ipld/go-ipld-prime v0.0.1
github.com/ipld/go-ipld-prime v0.0.2-0.20191025154717-8dff1cbec43b
github.com/ipsn/go-secp256k1 v0.0.0-20180726113642-9d62b9f0bc52
github.com/libp2p/go-libp2p v0.3.0
github.com/libp2p/go-libp2p-circuit v0.1.1

2
go.sum
View File

@ -233,6 +233,8 @@ github.com/ipfs/go-verifcid v0.0.1 h1:m2HI7zIuR5TFyQ1b79Da5N9dnnCP1vcu2QqawmWlK2
github.com/ipfs/go-verifcid v0.0.1/go.mod h1:5Hrva5KBeIog4A+UpqlaIU+DEstipcJYQQZc0g37pY0=
github.com/ipld/go-ipld-prime v0.0.1 h1:ZTjkYODUmJAca7w5hfzP9emyJfUxTy/Xi4zsUoqHggQ=
github.com/ipld/go-ipld-prime v0.0.1/go.mod h1:bDDSvVz7vaK12FNvMeRYnpRFkSUPNQOiCYQezMD/P3w=
github.com/ipld/go-ipld-prime v0.0.2-0.20191025154717-8dff1cbec43b h1:ACSEK4f1SDQC+FJ4B4pqHFW14d7kEW2ufwXA/c7eLP0=
github.com/ipld/go-ipld-prime v0.0.2-0.20191025154717-8dff1cbec43b/go.mod h1:bDDSvVz7vaK12FNvMeRYnpRFkSUPNQOiCYQezMD/P3w=
github.com/ipsn/go-secp256k1 v0.0.0-20180726113642-9d62b9f0bc52 h1:QG4CGBqCeuBo6aZlGAamSkxWdgWfZGeE49eUOWJPA4c=
github.com/ipsn/go-secp256k1 v0.0.0-20180726113642-9d62b9f0bc52/go.mod h1:fdg+/X9Gg4AsAIzWpEHwnqd+QY3b7lajxyjE1m4hkq4=
github.com/jackpal/gateway v1.0.5 h1:qzXWUJfuMdlLMtt0a3Dgt+xkWQiA5itDEITVJtuSwMc=

9
node/builder.go
View File

@ -27,6 +27,7 @@ import (
"github.com/filecoin-project/lotus/chain/store"
"github.com/filecoin-project/lotus/chain/types"
"github.com/filecoin-project/lotus/chain/wallet"
"github.com/filecoin-project/lotus/datatransfer"
"github.com/filecoin-project/lotus/lib/sectorbuilder"
"github.com/filecoin-project/lotus/miner"
"github.com/filecoin-project/lotus/node/config"
@ -85,12 +86,14 @@ const (
HandleIncomingMessagesKey
RunDealClientKey
RegisterClientValidatorKey
// storage miner
HandleDealsKey
HandleRetrievalKey
RunSectorServiceKey
RegisterMinerKey
RegisterProviderValidatorKey
// daemon
ExtractApiKey
@ -218,7 +221,10 @@ func Online() Option {
Override(new(discovery.PeerResolver), modules.RetrievalResolver),
Override(new(*retrieval.Client), retrieval.NewClient),
Override(new(datatransfer.ClientDataTransfer), datatransfer.NewClientDAGServiceDataTransfer),
Override(new(*deals.ClientRequestValidator), deals.NewClientRequestValidator),
Override(new(*deals.Client), deals.NewClient),
Override(RegisterClientValidatorKey, deals.RegisterClientValidator),
Override(RunDealClientKey, modules.RunDealClient),
Override(new(*paych.Store), paych.NewStore),
@ -238,7 +244,10 @@ func Online() Option {
Override(new(dtypes.StagingDAG), modules.StagingDAG),
Override(new(*retrieval.Miner), retrieval.NewMiner),
Override(new(datatransfer.ProviderDataTransfer), datatransfer.NewProviderDAGServiceDataTransfer),
Override(new(*deals.ProviderRequestValidator), deals.NewProviderRequestValidator),
Override(new(*deals.Provider), deals.NewProvider),
Override(RegisterProviderValidatorKey, deals.RegisterProviderValidator),
Override(HandleRetrievalKey, modules.HandleRetrieval),
Override(HandleDealsKey, modules.HandleDeals),
Override(RegisterMinerKey, modules.RegisterMiner),