129 lines
3.9 KiB
Go
129 lines
3.9 KiB
Go
package modules
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import (
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"github.com/ipfs/go-datastore"
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"github.com/ipfs/go-datastore/namespace"
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eventbus "github.com/libp2p/go-eventbus"
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event "github.com/libp2p/go-libp2p-core/event"
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"github.com/libp2p/go-libp2p-core/host"
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"github.com/libp2p/go-libp2p-core/peer"
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pubsub "github.com/libp2p/go-libp2p-pubsub"
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"go.uber.org/fx"
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"golang.org/x/xerrors"
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"github.com/filecoin-project/go-fil-markets/retrievalmarket"
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"github.com/filecoin-project/go-fil-markets/retrievalmarket/discovery"
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"github.com/filecoin-project/lotus/build"
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"github.com/filecoin-project/lotus/chain"
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"github.com/filecoin-project/lotus/chain/beacon"
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"github.com/filecoin-project/lotus/chain/beacon/drand"
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"github.com/filecoin-project/lotus/chain/blocksync"
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"github.com/filecoin-project/lotus/chain/messagepool"
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"github.com/filecoin-project/lotus/chain/stmgr"
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"github.com/filecoin-project/lotus/chain/store"
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"github.com/filecoin-project/lotus/chain/sub"
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"github.com/filecoin-project/lotus/lib/peermgr"
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"github.com/filecoin-project/lotus/node/hello"
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"github.com/filecoin-project/lotus/node/modules/dtypes"
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"github.com/filecoin-project/lotus/node/modules/helpers"
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)
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func RunHello(mctx helpers.MetricsCtx, lc fx.Lifecycle, h host.Host, svc *hello.Service) error {
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h.SetStreamHandler(hello.ProtocolID, svc.HandleStream)
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sub, err := h.EventBus().Subscribe(new(event.EvtPeerIdentificationCompleted), eventbus.BufSize(1024))
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if err != nil {
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return xerrors.Errorf("failed to subscribe to event bus: %w", err)
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}
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go func() {
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for evt := range sub.Out() {
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pic := evt.(event.EvtPeerIdentificationCompleted)
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go func() {
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if err := svc.SayHello(helpers.LifecycleCtx(mctx, lc), pic.Peer); err != nil {
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log.Warnw("failed to say hello", "error", err, "peer", pic.Peer)
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return
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}
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}()
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}
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}()
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return nil
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}
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func RunPeerMgr(mctx helpers.MetricsCtx, lc fx.Lifecycle, pmgr *peermgr.PeerMgr) {
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go pmgr.Run(helpers.LifecycleCtx(mctx, lc))
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}
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func RunBlockSync(h host.Host, svc *blocksync.BlockSyncService) {
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h.SetStreamHandler(blocksync.BlockSyncProtocolID, svc.HandleStream)
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}
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func HandleIncomingBlocks(mctx helpers.MetricsCtx, lc fx.Lifecycle, ps *pubsub.PubSub, s *chain.Syncer, chain *store.ChainStore, stmgr *stmgr.StateManager, h host.Host, nn dtypes.NetworkName) {
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ctx := helpers.LifecycleCtx(mctx, lc)
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blocksub, err := ps.Subscribe(build.BlocksTopic(nn))
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if err != nil {
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panic(err)
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}
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v := sub.NewBlockValidator(
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chain, stmgr,
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func(p peer.ID) {
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ps.BlacklistPeer(p)
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h.ConnManager().TagPeer(p, "badblock", -1000)
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})
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if err := ps.RegisterTopicValidator(build.BlocksTopic(nn), v.Validate); err != nil {
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panic(err)
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}
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go sub.HandleIncomingBlocks(ctx, blocksub, s, h.ConnManager())
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}
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func HandleIncomingMessages(mctx helpers.MetricsCtx, lc fx.Lifecycle, ps *pubsub.PubSub, mpool *messagepool.MessagePool, nn dtypes.NetworkName) {
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ctx := helpers.LifecycleCtx(mctx, lc)
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msgsub, err := ps.Subscribe(build.MessagesTopic(nn))
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if err != nil {
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panic(err)
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}
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v := sub.NewMessageValidator(mpool)
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if err := ps.RegisterTopicValidator(build.MessagesTopic(nn), v.Validate); err != nil {
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panic(err)
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}
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go sub.HandleIncomingMessages(ctx, mpool, msgsub)
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}
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func NewLocalDiscovery(ds dtypes.MetadataDS) *discovery.Local {
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return discovery.NewLocal(namespace.Wrap(ds, datastore.NewKey("/deals/local")))
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}
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func RetrievalResolver(l *discovery.Local) retrievalmarket.PeerResolver {
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return discovery.Multi(l)
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}
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type RandomBeaconParams struct {
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fx.In
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PubSub *pubsub.PubSub `optional:"true"`
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Cs *store.ChainStore
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DrandConfig dtypes.DrandConfig
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}
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func BuiltinDrandConfig() dtypes.DrandConfig {
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return build.DrandConfig()
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}
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func RandomBeacon(p RandomBeaconParams, _ dtypes.AfterGenesisSet) (beacon.RandomBeacon, error) {
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gen, err := p.Cs.GetGenesis()
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if err != nil {
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return nil, err
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}
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//return beacon.NewMockBeacon(build.BlockDelaySecs * time.Second)
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return drand.NewDrandBeacon(gen.Timestamp, build.BlockDelaySecs, p.PubSub, p.DrandConfig)
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}
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