package full import ( "context" "sync/atomic" cid "github.com/ipfs/go-cid" pubsub "github.com/libp2p/go-libp2p-pubsub" "go.uber.org/fx" "golang.org/x/xerrors" "github.com/filecoin-project/lotus/api" "github.com/filecoin-project/lotus/build" "github.com/filecoin-project/lotus/chain" "github.com/filecoin-project/lotus/chain/gen/slashfilter" "github.com/filecoin-project/lotus/chain/types" "github.com/filecoin-project/lotus/chain/vm" "github.com/filecoin-project/lotus/node/modules/dtypes" ) type SyncAPI struct { fx.In SlashFilter *slashfilter.SlashFilter `optional:"true"` Syncer *chain.Syncer PubSub *pubsub.PubSub NetName dtypes.NetworkName } func (a *SyncAPI) SyncState(ctx context.Context) (*api.SyncState, error) { states := a.Syncer.State() out := &api.SyncState{ VMApplied: atomic.LoadUint64(&vm.StatApplied), } for i := range states { ss := &states[i] out.ActiveSyncs = append(out.ActiveSyncs, api.ActiveSync{ WorkerID: ss.WorkerID, Base: ss.Base, Target: ss.Target, Stage: ss.Stage, Height: ss.Height, Start: ss.Start, End: ss.End, Message: ss.Message, }) } return out, nil } func (a *SyncAPI) SyncSubmitBlock(ctx context.Context, blk *types.BlockMsg) error { parent, err := a.Syncer.ChainStore().GetBlock(ctx, blk.Header.Parents[0]) if err != nil { return xerrors.Errorf("loading parent block: %w", err) } if a.SlashFilter != nil { if err := a.SlashFilter.MinedBlock(ctx, blk.Header, parent.Height); err != nil { log.Errorf("<!!> SLASH FILTER ERROR: %s", err) return xerrors.Errorf("<!!> SLASH FILTER ERROR: %w", err) } } // TODO: should we have some sort of fast path to adding a local block? bmsgs, err := a.Syncer.ChainStore().LoadMessagesFromCids(ctx, blk.BlsMessages) if err != nil { return xerrors.Errorf("failed to load bls messages: %w", err) } smsgs, err := a.Syncer.ChainStore().LoadSignedMessagesFromCids(ctx, blk.SecpkMessages) if err != nil { return xerrors.Errorf("failed to load secpk message: %w", err) } fb := &types.FullBlock{ Header: blk.Header, BlsMessages: bmsgs, SecpkMessages: smsgs, } if err := a.Syncer.ValidateMsgMeta(fb); err != nil { return xerrors.Errorf("provided messages did not match block: %w", err) } ts, err := types.NewTipSet([]*types.BlockHeader{blk.Header}) if err != nil { return xerrors.Errorf("somehow failed to make a tipset out of a single block: %w", err) } if err := a.Syncer.Sync(ctx, ts); err != nil { return xerrors.Errorf("sync to submitted block failed: %w", err) } b, err := blk.Serialize() if err != nil { return xerrors.Errorf("serializing block for pubsub publishing failed: %w", err) } return a.PubSub.Publish(build.BlocksTopic(a.NetName), b) //nolint:staticcheck } func (a *SyncAPI) SyncIncomingBlocks(ctx context.Context) (<-chan *types.BlockHeader, error) { return a.Syncer.IncomingBlocks(ctx) } func (a *SyncAPI) SyncCheckpoint(ctx context.Context, tsk types.TipSetKey) error { log.Warnf("Marking tipset %s as checkpoint", tsk) return a.Syncer.SyncCheckpoint(ctx, tsk) } func (a *SyncAPI) SyncMarkBad(ctx context.Context, bcid cid.Cid) error { log.Warnf("Marking block %s as bad", bcid) a.Syncer.MarkBad(bcid) return nil } func (a *SyncAPI) SyncUnmarkBad(ctx context.Context, bcid cid.Cid) error { log.Warnf("Unmarking block %s as bad", bcid) a.Syncer.UnmarkBad(bcid) return nil } func (a *SyncAPI) SyncUnmarkAllBad(ctx context.Context) error { log.Warnf("Dropping bad block cache") a.Syncer.UnmarkAllBad() return nil } func (a *SyncAPI) SyncCheckBad(ctx context.Context, bcid cid.Cid) (string, error) { reason, ok := a.Syncer.CheckBadBlockCache(bcid) if !ok { return "", nil } return reason, nil } func (a *SyncAPI) SyncValidateTipset(ctx context.Context, tsk types.TipSetKey) (bool, error) { ts, err := a.Syncer.ChainStore().LoadTipSet(ctx, tsk) if err != nil { return false, err } fts, err := a.Syncer.ChainStore().TryFillTipSet(ctx, ts) if err != nil { return false, err } err = a.Syncer.ValidateTipSet(ctx, fts, false) if err != nil { return false, err } return true, nil }