lotus/node/modules/client.go
Łukasz Magiera a896b30039 gofmt
2020-01-10 20:55:58 +01:00

125 lines
4.7 KiB
Go

package modules
import (
"context"
"path/filepath"
"reflect"
"github.com/filecoin-project/lotus/markets/retrievaladapter"
"github.com/filecoin-project/go-fil-markets/retrievalmarket"
"github.com/filecoin-project/go-fil-markets/retrievalmarket/discovery"
retrievalimpl "github.com/filecoin-project/go-fil-markets/retrievalmarket/impl"
"github.com/filecoin-project/go-fil-markets/storagemarket"
"github.com/filecoin-project/go-statestore"
"github.com/filecoin-project/lotus/node/modules/helpers"
"github.com/filecoin-project/lotus/paych"
"github.com/ipfs/go-bitswap"
"github.com/ipfs/go-bitswap/network"
graphsync "github.com/ipfs/go-graphsync/impl"
"github.com/ipfs/go-graphsync/ipldbridge"
gsnet "github.com/ipfs/go-graphsync/network"
"github.com/ipfs/go-graphsync/storeutil"
"github.com/libp2p/go-libp2p-core/host"
"github.com/libp2p/go-libp2p-core/routing"
"github.com/ipfs/go-blockservice"
"github.com/ipfs/go-datastore"
"github.com/ipfs/go-datastore/namespace"
"github.com/ipfs/go-filestore"
blockstore "github.com/ipfs/go-ipfs-blockstore"
"github.com/ipfs/go-merkledag"
"go.uber.org/fx"
"github.com/filecoin-project/go-data-transfer/impl/graphsync"
deals "github.com/filecoin-project/go-fil-markets/storagemarket/impl"
storageimpl "github.com/filecoin-project/go-fil-markets/storagemarket/impl"
payapi "github.com/filecoin-project/lotus/node/impl/paych"
"github.com/filecoin-project/lotus/node/modules/dtypes"
"github.com/filecoin-project/lotus/node/repo"
)
func ClientFstore(r repo.LockedRepo) (dtypes.ClientFilestore, error) {
clientds, err := r.Datastore("/client")
if err != nil {
return nil, err
}
blocks := namespace.Wrap(clientds, datastore.NewKey("blocks"))
fm := filestore.NewFileManager(clientds, filepath.Dir(r.Path()))
fm.AllowFiles = true
// TODO: fm.AllowUrls (needs more code in client import)
bs := blockstore.NewBlockstore(blocks)
return filestore.NewFilestore(bs, fm), nil
}
func ClientBlockstore(fstore dtypes.ClientFilestore) dtypes.ClientBlockstore {
return blockstore.NewIdStore((*filestore.Filestore)(fstore))
}
// RegisterClientValidator is an initialization hook that registers the client
// request validator with the data transfer module as the validator for
// StorageDataTransferVoucher types
func RegisterClientValidator(crv *deals.ClientRequestValidator, dtm dtypes.ClientDataTransfer) {
if err := dtm.RegisterVoucherType(reflect.TypeOf(&deals.StorageDataTransferVoucher{}), crv); err != nil {
panic(err)
}
}
// NewClientDAGServiceDataTransfer returns a data transfer manager that just
// uses the clients's Client DAG service for transfers
func NewClientDAGServiceDataTransfer(h host.Host, gs dtypes.ClientGraphsync) dtypes.ClientDataTransfer {
return graphsyncimpl.NewGraphSyncDataTransfer(h, gs)
}
// NewClientDealStore creates a statestore for the client to store its deals
func NewClientDealStore(ds dtypes.MetadataDS) dtypes.ClientDealStore {
return statestore.New(namespace.Wrap(ds, datastore.NewKey("/deals/client")))
}
// ClientDAG is a DAGService for the ClientBlockstore
func ClientDAG(mctx helpers.MetricsCtx, lc fx.Lifecycle, ibs dtypes.ClientBlockstore, rt routing.Routing, h host.Host) dtypes.ClientDAG {
bitswapNetwork := network.NewFromIpfsHost(h, rt)
exch := bitswap.New(helpers.LifecycleCtx(mctx, lc), bitswapNetwork, ibs)
bsvc := blockservice.New(ibs, exch)
dag := merkledag.NewDAGService(bsvc)
lc.Append(fx.Hook{
OnStop: func(_ context.Context) error {
return bsvc.Close()
},
})
return dag
}
// ClientGraphsync creates a graphsync instance which reads and writes blocks
// to the ClientBlockstore
func ClientGraphsync(mctx helpers.MetricsCtx, lc fx.Lifecycle, ibs dtypes.ClientBlockstore, h host.Host) dtypes.ClientGraphsync {
graphsyncNetwork := gsnet.NewFromLibp2pHost(h)
ipldBridge := ipldbridge.NewIPLDBridge()
loader := storeutil.LoaderForBlockstore(ibs)
storer := storeutil.StorerForBlockstore(ibs)
gs := graphsync.New(helpers.LifecycleCtx(mctx, lc), graphsyncNetwork, ipldBridge, loader, storer)
return gs
}
func NewClientRequestValidator(deals dtypes.ClientDealStore) *storageimpl.ClientRequestValidator {
return storageimpl.NewClientRequestValidator(deals)
}
func StorageClient(h host.Host, dag dtypes.ClientDAG, dataTransfer dtypes.ClientDataTransfer, discovery *discovery.Local, deals dtypes.ClientDealStore, scn storagemarket.StorageClientNode) storagemarket.StorageClient {
return storageimpl.NewClient(h, dag, dataTransfer, discovery, deals, scn)
}
// RetrievalClient creates a new retrieval client attached to the client blockstore
func RetrievalClient(h host.Host, bs dtypes.ClientBlockstore, pmgr *paych.Manager, payapi payapi.PaychAPI) retrievalmarket.RetrievalClient {
adapter := retrievaladapter.NewRetrievalClientNode(pmgr, payapi)
return retrievalimpl.NewClient(h, bs, adapter)
}