lotus/node/modules/client.go
2019-12-04 21:02:14 -08:00

83 lines
2.7 KiB
Go

package modules
import (
"context"
"path/filepath"
"reflect"
"github.com/filecoin-project/lotus/lib/statestore"
"github.com/filecoin-project/lotus/node/modules/helpers"
"github.com/ipfs/go-bitswap"
"github.com/ipfs/go-bitswap/network"
"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/lotus/chain/deals"
"github.com/filecoin-project/lotus/datatransfer"
"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(dag dtypes.ClientDAG) dtypes.ClientDataTransfer {
return datatransfer.NewDAGServiceDataTransfer(dag)
}
// 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")))
}
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
}