package ceremony import ( "bytes" "context" "time" "github.com/mr-tron/base58" "github.com/pkg/errors" "go.uber.org/zap" "google.golang.org/grpc" "google.golang.org/protobuf/proto" "google.golang.org/protobuf/types/known/anypb" "source.quilibrium.com/quilibrium/monorepo/node/execution/intrinsics/ceremony/application" "source.quilibrium.com/quilibrium/monorepo/node/p2p" "source.quilibrium.com/quilibrium/monorepo/node/protobufs" "source.quilibrium.com/quilibrium/monorepo/node/store" ) var ErrNoNewFrames = errors.New("peer reported no frames") func (e *CeremonyDataClockConsensusEngine) GetDataFrame( ctx context.Context, request *protobufs.GetDataFrameRequest, ) (*protobufs.DataFrameResponse, error) { e.logger.Debug( "received frame request", zap.Uint64("frame_number", request.FrameNumber), ) var frame *protobufs.ClockFrame var err error if request.FrameNumber == 0 { frame, err = e.dataTimeReel.Head() if frame.FrameNumber == 0 { return nil, errors.Wrap( errors.New("not currently syncable"), "get data frame", ) } } else { frame, _, err = e.clockStore.GetDataClockFrame( e.filter, request.FrameNumber, false, ) } if err != nil { e.logger.Error( "received error while fetching time reel head", zap.Error(err), ) return nil, errors.Wrap(err, "get data frame") } idx, err := e.frameProver.GenerateWeakRecursiveProofIndex(frame) if err != nil { return nil, errors.Wrap(err, "get data frame") } indexFrame, _, err := e.clockStore.GetDataClockFrame(e.filter, idx, false) if err != nil { return &protobufs.DataFrameResponse{ ClockFrame: frame, }, nil } proof := e.frameProver.FetchRecursiveProof(indexFrame) e.logger.Debug( "sending frame response", zap.Uint64("frame_number", frame.FrameNumber), ) return &protobufs.DataFrameResponse{ ClockFrame: frame, Proof: proof, }, nil } func (e *CeremonyDataClockConsensusEngine) NegotiateCompressedSyncFrames( server protobufs.CeremonyService_NegotiateCompressedSyncFramesServer, ) error { return nil } // Deprecated: Use NegotiateCompressedSyncFrames. // GetCompressedSyncFrames implements protobufs.CeremonyServiceServer. func (e *CeremonyDataClockConsensusEngine) GetCompressedSyncFrames( request *protobufs.ClockFramesRequest, server protobufs.CeremonyService_GetCompressedSyncFramesServer, ) error { e.logger.Debug( "received clock frame request", zap.Uint64("from_frame_number", request.FromFrameNumber), zap.Uint64("to_frame_number", request.ToFrameNumber), ) if err := server.SendMsg( &protobufs.ClockFramesResponse{ Filter: request.Filter, FromFrameNumber: 0, ToFrameNumber: 0, ClockFrames: []*protobufs.ClockFrame{}, }, ); err != nil { return errors.Wrap(err, "get compressed sync frames") } return nil } func (e *CeremonyDataClockConsensusEngine) decompressAndStoreCandidates( peerId []byte, syncMsg *protobufs.CeremonyCompressedSync, ) (*protobufs.ClockFrame, error) { if len(syncMsg.TruncatedClockFrames) == 0 { return nil, ErrNoNewFrames } head, err := e.dataTimeReel.Head() if err != nil { panic(err) } if len(syncMsg.TruncatedClockFrames) < int( syncMsg.ToFrameNumber-syncMsg.FromFrameNumber+1, ) { e.peerMapMx.Lock() if _, ok := e.peerMap[string(peerId)]; ok { e.uncooperativePeersMap[string(peerId)] = e.peerMap[string(peerId)] e.uncooperativePeersMap[string(peerId)].timestamp = time.Now().UnixMilli() delete(e.peerMap, string(peerId)) } e.peerMapMx.Unlock() return nil, errors.New("invalid continuity for compressed sync response") } var final *protobufs.ClockFrame for _, frame := range syncMsg.TruncatedClockFrames { frame := frame commits := (len(frame.Input) - 516) / 74 e.logger.Info( "processing frame", zap.Uint64("frame_number", frame.FrameNumber), zap.Int("aggregate_commits", commits), ) for j := 0; j < commits; j++ { e.logger.Debug( "processing commit", zap.Uint64("frame_number", frame.FrameNumber), zap.Int("commit_index", j), ) commit := frame.Input[516+(j*74) : 516+((j+1)*74)] var aggregateProof *protobufs.InclusionProofsMap for _, a := range syncMsg.Proofs { a := a if bytes.Equal(a.FrameCommit, commit) { e.logger.Info( "found matching proof", zap.Uint64("frame_number", frame.FrameNumber), zap.Int("commit_index", j), ) aggregateProof = a break } } if aggregateProof == nil { e.logger.Error( "could not find matching proof", zap.Uint64("frame_number", frame.FrameNumber), zap.Int("commit_index", j), zap.Binary("proof", aggregateProof.Proof), ) return nil, errors.Wrap( store.ErrInvalidData, "decompress and store candidates", ) } inc := &protobufs.InclusionAggregateProof{ Filter: e.filter, FrameNumber: frame.FrameNumber, InclusionCommitments: []*protobufs.InclusionCommitment{}, Proof: aggregateProof.Proof, } for k, c := range aggregateProof.Commitments { k := k c := c e.logger.Debug( "adding inclusion commitment", zap.Uint64("frame_number", frame.FrameNumber), zap.Int("commit_index", j), zap.Int("inclusion_commit_index", k), zap.String("type_url", c.TypeUrl), ) incCommit := &protobufs.InclusionCommitment{ Filter: e.filter, FrameNumber: frame.FrameNumber, Position: uint32(k), TypeUrl: c.TypeUrl, Data: []byte{}, Commitment: c.Commitment, } var output *protobufs.IntrinsicExecutionOutput if c.TypeUrl == protobufs.IntrinsicExecutionOutputType { output = &protobufs.IntrinsicExecutionOutput{} } for l, h := range c.SegmentHashes { l := l h := h for _, s := range syncMsg.Segments { s := s if bytes.Equal(s.Hash, h) { if output != nil { if l == 0 { e.logger.Debug( "found first half of matching segment data", zap.Uint64("frame_number", frame.FrameNumber), zap.Int("commit_index", j), zap.Int("inclusion_commit_index", k), zap.String("type_url", c.TypeUrl), ) output.Address = s.Data[:32] output.Output = s.Data[32:] } else { e.logger.Debug( "found second half of matching segment data", zap.Uint64("frame_number", frame.FrameNumber), zap.Int("commit_index", j), zap.Int("inclusion_commit_index", k), zap.String("type_url", c.TypeUrl), ) output.Proof = s.Data b, err := proto.Marshal(output) if err != nil { return nil, errors.Wrap( err, "decompress and store candidates", ) } incCommit.Data = b break } } else { e.logger.Debug( "found matching segment data", zap.Uint64("frame_number", frame.FrameNumber), zap.Int("commit_index", j), zap.Int("inclusion_commit_index", k), zap.String("type_url", c.TypeUrl), ) incCommit.Data = append(incCommit.Data, s.Data...) break } } } } inc.InclusionCommitments = append( inc.InclusionCommitments, incCommit, ) } frame.AggregateProofs = append( frame.AggregateProofs, inc, ) } f, err := proto.Marshal(frame) if err != nil { return nil, errors.Wrap(err, "decompress and store candidates") } any := &anypb.Any{ TypeUrl: protobufs.ClockFrameType, Value: f, } if err = e.handleClockFrameData( e.syncingTarget, append( p2p.GetBloomFilter(application.CEREMONY_ADDRESS, 256, 3), p2p.GetBloomFilterIndices(application.CEREMONY_ADDRESS, 65536, 24)..., ), any, // We'll tell the time reel to process it (isSync = false) if we're caught // up beyond the head and frame number is divisible by 100 (limited to // avoid thrash): head.FrameNumber > frame.FrameNumber || frame.FrameNumber%100 != 0, ); err != nil { return nil, errors.Wrap(err, "decompress and store candidates") } final = frame } e.logger.Info( "decompressed and stored sync for range", zap.Uint64("from", syncMsg.FromFrameNumber), zap.Uint64("to", syncMsg.ToFrameNumber), ) return final, nil } type svr struct { protobufs.UnimplementedCeremonyServiceServer svrChan chan protobufs.CeremonyService_GetPublicChannelServer } func (e *svr) GetCompressedSyncFrames( request *protobufs.ClockFramesRequest, server protobufs.CeremonyService_GetCompressedSyncFramesServer, ) error { return errors.New("not supported") } func (e *svr) NegotiateCompressedSyncFrames( server protobufs.CeremonyService_NegotiateCompressedSyncFramesServer, ) error { return errors.New("not supported") } func (e *svr) GetPublicChannel( server protobufs.CeremonyService_GetPublicChannelServer, ) error { go func() { e.svrChan <- server }() <-server.Context().Done() return nil } func (e *CeremonyDataClockConsensusEngine) GetPublicChannelForProvingKey( initiator bool, peerID []byte, provingKey []byte, ) (p2p.PublicChannelClient, error) { if initiator { svrChan := make( chan protobufs.CeremonyService_GetPublicChannelServer, ) after := time.After(20 * time.Second) go func() { server := grpc.NewServer( grpc.MaxSendMsgSize(600*1024*1024), grpc.MaxRecvMsgSize(600*1024*1024), ) s := &svr{ svrChan: svrChan, } protobufs.RegisterCeremonyServiceServer(server, s) if err := e.pubSub.StartDirectChannelListener( peerID, base58.Encode(provingKey), server, ); err != nil { e.logger.Error( "could not get public channel for proving key", zap.Error(err), ) svrChan <- nil } }() select { case s := <-svrChan: return s, nil case <-after: return nil, errors.Wrap( errors.New("timed out"), "get public channel for proving key", ) } } else { cc, err := e.pubSub.GetDirectChannel(peerID, base58.Encode(provingKey)) if err != nil { e.logger.Error( "could not get public channel for proving key", zap.Error(err), ) return nil, nil } client := protobufs.NewCeremonyServiceClient(cc) s, err := client.GetPublicChannel( context.Background(), grpc.MaxCallSendMsgSize(600*1024*1024), grpc.MaxCallRecvMsgSize(600*1024*1024), ) return s, errors.Wrap(err, "get public channel for proving key") } } // GetPublicChannel implements protobufs.CeremonyServiceServer. func (e *CeremonyDataClockConsensusEngine) GetPublicChannel( server protobufs.CeremonyService_GetPublicChannelServer, ) error { return errors.New("not supported") }