55 lines
2.4 KiB
Go
55 lines
2.4 KiB
Go
package modules
|
|
|
|
import (
|
|
"github.com/ipfs/go-graphsync"
|
|
graphsyncimpl "github.com/ipfs/go-graphsync/impl"
|
|
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/peer"
|
|
"go.uber.org/fx"
|
|
|
|
"github.com/filecoin-project/lotus/node/config"
|
|
"github.com/filecoin-project/lotus/node/modules/dtypes"
|
|
"github.com/filecoin-project/lotus/node/modules/helpers"
|
|
"github.com/filecoin-project/lotus/node/repo"
|
|
)
|
|
|
|
// Graphsync creates a graphsync instance from the given loader and storer
|
|
func Graphsync(parallelTransfersForStorage uint64, parallelTransfersForRetrieval uint64) func(mctx helpers.MetricsCtx, lc fx.Lifecycle, r repo.LockedRepo, clientBs dtypes.ClientBlockstore, chainBs dtypes.ExposedBlockstore, h host.Host) (dtypes.Graphsync, error) {
|
|
return func(mctx helpers.MetricsCtx, lc fx.Lifecycle, r repo.LockedRepo, clientBs dtypes.ClientBlockstore, chainBs dtypes.ExposedBlockstore, h host.Host) (dtypes.Graphsync, error) {
|
|
graphsyncNetwork := gsnet.NewFromLibp2pHost(h)
|
|
lsys := storeutil.LinkSystemForBlockstore(clientBs)
|
|
|
|
gs := graphsyncimpl.New(helpers.LifecycleCtx(mctx, lc),
|
|
graphsyncNetwork,
|
|
lsys,
|
|
graphsyncimpl.RejectAllRequestsByDefault(),
|
|
graphsyncimpl.MaxInProgressIncomingRequests(parallelTransfersForStorage),
|
|
graphsyncimpl.MaxInProgressOutgoingRequests(parallelTransfersForRetrieval),
|
|
graphsyncimpl.MaxLinksPerIncomingRequests(config.MaxTraversalLinks),
|
|
graphsyncimpl.MaxLinksPerOutgoingRequests(config.MaxTraversalLinks))
|
|
chainLinkSystem := storeutil.LinkSystemForBlockstore(chainBs)
|
|
err := gs.RegisterPersistenceOption("chainstore", chainLinkSystem)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
gs.RegisterIncomingRequestHook(func(p peer.ID, requestData graphsync.RequestData, hookActions graphsync.IncomingRequestHookActions) {
|
|
_, has := requestData.Extension("chainsync")
|
|
if has {
|
|
// TODO: we should confirm the selector is a reasonable one before we validate
|
|
// TODO: this code will get more complicated and should probably not live here eventually
|
|
hookActions.ValidateRequest()
|
|
hookActions.UsePersistenceOption("chainstore")
|
|
}
|
|
})
|
|
gs.RegisterOutgoingRequestHook(func(p peer.ID, requestData graphsync.RequestData, hookActions graphsync.OutgoingRequestHookActions) {
|
|
_, has := requestData.Extension("chainsync")
|
|
if has {
|
|
hookActions.UsePersistenceOption("chainstore")
|
|
}
|
|
})
|
|
return gs, nil
|
|
}
|
|
}
|