lotus/node/modules/ipfsclient.go
Steven Allen b7a4dbb07f Support inline CIDs
And use the new CidBuilder from the spec actors.

This patch does not switch over to inline CIDs by default, but paves the way.
2020-07-23 23:12:32 -07:00

46 lines
1.8 KiB
Go

package modules
import (
"go.uber.org/fx"
"golang.org/x/xerrors"
"github.com/multiformats/go-multiaddr"
"github.com/filecoin-project/lotus/lib/blockstore"
"github.com/filecoin-project/lotus/lib/bufbstore"
"github.com/filecoin-project/lotus/lib/ipfsbstore"
"github.com/filecoin-project/lotus/node/modules/dtypes"
"github.com/filecoin-project/lotus/node/modules/helpers"
)
// IpfsClientBlockstore returns a ClientBlockstore implementation backed by an IPFS node.
// If ipfsMaddr is empty, a local IPFS node is assumed considering IPFS_PATH configuration.
// If ipfsMaddr is not empty, it will connect to the remote IPFS node with the provided multiaddress.
// The flag useForRetrieval indicates if the IPFS node will also be used for storing retrieving deals.
func IpfsClientBlockstore(ipfsMaddr string, useForRetrieval bool) func(helpers.MetricsCtx, fx.Lifecycle, dtypes.ClientImportMgr) (dtypes.ClientBlockstore, error) {
return func(mctx helpers.MetricsCtx, lc fx.Lifecycle, localStore dtypes.ClientImportMgr) (dtypes.ClientBlockstore, error) {
var err error
var ipfsbs blockstore.Blockstore
if ipfsMaddr != "" {
var ma multiaddr.Multiaddr
ma, err = multiaddr.NewMultiaddr(ipfsMaddr)
if err != nil {
return nil, xerrors.Errorf("parsing ipfs multiaddr: %w", err)
}
ipfsbs, err = ipfsbstore.NewRemoteIpfsBstore(helpers.LifecycleCtx(mctx, lc), ma)
} else {
ipfsbs, err = ipfsbstore.NewIpfsBstore(helpers.LifecycleCtx(mctx, lc))
}
if err != nil {
return nil, xerrors.Errorf("constructing ipfs blockstore: %w", err)
}
ipfsbs = blockstore.WrapIDStore(ipfsbs)
var ws blockstore.Blockstore
ws = ipfsbs
if !useForRetrieval {
ws = blockstore.WrapIDStore(localStore.Blockstore)
}
return bufbstore.NewTieredBstore(ipfsbs, ws), nil
}
}