mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
synced 2024-12-26 08:35:17 +00:00
544 lines
13 KiB
Go
544 lines
13 KiB
Go
package ceremony
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import (
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"bytes"
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"context"
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"time"
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"github.com/pkg/errors"
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"go.uber.org/zap"
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"go.uber.org/zap/zapcore"
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"google.golang.org/grpc"
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"google.golang.org/protobuf/proto"
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"google.golang.org/protobuf/types/known/anypb"
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"source.quilibrium.com/quilibrium/monorepo/go-libp2p-blossomsub/pb"
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"source.quilibrium.com/quilibrium/monorepo/node/execution/ceremony/application"
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"source.quilibrium.com/quilibrium/monorepo/node/p2p"
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"source.quilibrium.com/quilibrium/monorepo/node/protobufs"
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"source.quilibrium.com/quilibrium/monorepo/node/store"
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)
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var ErrNoNewFrames = errors.New("peer reported no frames")
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func (e *CeremonyDataClockConsensusEngine) handleSync(
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message *pb.Message,
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) error {
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e.logger.Debug(
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"received message",
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zap.Binary("data", message.Data),
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zap.Binary("from", message.From),
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zap.Binary("signature", message.Signature),
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)
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if bytes.Equal(message.From, e.pubSub.GetPeerID()) {
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return nil
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}
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msg := &protobufs.Message{}
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if err := proto.Unmarshal(message.Data, msg); err != nil {
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return errors.Wrap(err, "handle sync")
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}
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any := &anypb.Any{}
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if err := proto.Unmarshal(msg.Payload, any); err != nil {
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return errors.Wrap(err, "handle sync")
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}
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switch any.TypeUrl {
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case protobufs.ProvingKeyAnnouncementType:
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if err := e.handleProvingKey(
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message.From,
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msg.Address,
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any,
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); err != nil {
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return errors.Wrap(err, "handle sync")
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}
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case protobufs.KeyBundleAnnouncementType:
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if err := e.handleKeyBundle(
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message.From,
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msg.Address,
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any,
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); err != nil {
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return errors.Wrap(err, "handle sync")
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}
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}
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return nil
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}
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// GetCompressedSyncFrames implements protobufs.CeremonyServiceServer.
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func (e *CeremonyDataClockConsensusEngine) GetCompressedSyncFrames(
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request *protobufs.ClockFramesRequest,
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server protobufs.CeremonyService_GetCompressedSyncFramesServer,
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) error {
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e.logger.Info(
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"received clock frame request",
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zap.Uint64("from_frame_number", request.FromFrameNumber),
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zap.Uint64("to_frame_number", request.ToFrameNumber),
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)
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from := request.FromFrameNumber
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frame, _, err := e.clockStore.GetDataClockFrame(
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request.Filter,
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from,
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)
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if err != nil {
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if !errors.Is(err, store.ErrNotFound) {
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e.logger.Error(
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"peer asked for frame that returned error",
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zap.Uint64("frame_number", request.FromFrameNumber),
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)
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return errors.Wrap(err, "get compressed sync frames")
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} else {
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e.logger.Debug(
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"peer asked for undiscovered frame",
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zap.Uint64("frame_number", request.FromFrameNumber),
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)
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if err := server.SendMsg(
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&protobufs.ClockFramesResponse{
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Filter: request.Filter,
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FromFrameNumber: 0,
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ToFrameNumber: 0,
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ClockFrames: []*protobufs.ClockFrame{},
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},
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); err != nil {
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return errors.Wrap(err, "get compressed sync frames")
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}
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return nil
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}
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}
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parent := request.ParentSelector
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if parent != nil {
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if !bytes.Equal(frame.ParentSelector, parent) {
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e.logger.Info(
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"peer specified out of consensus head, seeking backwards for fork",
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)
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}
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for !bytes.Equal(frame.ParentSelector, parent) {
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ours, err := e.clockStore.GetParentDataClockFrame(
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e.filter,
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frame.FrameNumber-1,
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frame.ParentSelector,
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)
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if err != nil {
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from = 1
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e.logger.Info("peer fully out of sync, rewinding sync head to start")
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break
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}
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theirs, err := e.clockStore.GetParentDataClockFrame(
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e.filter,
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frame.FrameNumber-1,
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parent,
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)
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if err != nil {
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from = 1
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e.logger.Info("peer fully out of sync, rewinding sync head to start")
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break
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}
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from--
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frame = ours
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parent = theirs.ParentSelector
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}
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}
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max := e.frame
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to := request.ToFrameNumber
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for {
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if to == 0 || to-from > 32 {
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if max > from+31 {
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to = from + 32
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} else {
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to = max + 1
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}
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}
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syncMsg, err := e.clockStore.GetCompressedDataClockFrames(
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e.filter,
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from,
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to,
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)
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if err != nil {
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return errors.Wrap(err, "get compressed sync frames")
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}
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if err := server.SendMsg(syncMsg); err != nil {
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return errors.Wrap(err, "get compressed sync frames")
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}
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if (request.ToFrameNumber == 0 || request.ToFrameNumber > to) && max > to {
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from = to + 1
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if request.ToFrameNumber > to {
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to = request.ToFrameNumber
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} else {
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to = 0
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}
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} else {
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break
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}
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}
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return nil
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}
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func (e *CeremonyDataClockConsensusEngine) decompressAndStoreCandidates(
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syncMsg *protobufs.CeremonyCompressedSync,
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loggerFunc func(msg string, fields ...zapcore.Field),
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) (*protobufs.ClockFrame, error) {
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if len(syncMsg.TruncatedClockFrames) == 0 {
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return nil, ErrNoNewFrames
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}
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if len(syncMsg.TruncatedClockFrames) != int(
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syncMsg.ToFrameNumber-syncMsg.FromFrameNumber+1,
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) {
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return nil, errors.New("invalid continuity for compressed sync response")
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}
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var final *protobufs.ClockFrame
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for _, frame := range syncMsg.TruncatedClockFrames {
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frame := frame
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commits := (len(frame.Input) - 516) / 74
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loggerFunc(
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"processing frame",
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zap.Uint64("frame_number", frame.FrameNumber),
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zap.Int("aggregate_commits", commits),
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)
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for j := 0; j < commits; j++ {
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loggerFunc(
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"processing commit",
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zap.Uint64("frame_number", frame.FrameNumber),
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zap.Int("commit_index", j),
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)
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commit := frame.Input[516+(j*74) : 516+((j+1)*74)]
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var aggregateProof *protobufs.InclusionProofsMap
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for _, a := range syncMsg.Proofs {
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a := a
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if bytes.Equal(a.FrameCommit, commit) {
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loggerFunc(
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"found matching proof",
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zap.Uint64("frame_number", frame.FrameNumber),
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zap.Int("commit_index", j),
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)
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aggregateProof = a
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break
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}
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}
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if aggregateProof == nil {
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e.logger.Error(
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"could not find matching proof",
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zap.Uint64("frame_number", frame.FrameNumber),
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zap.Int("commit_index", j),
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zap.Binary("proof", aggregateProof.Proof),
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)
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return nil, errors.Wrap(
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store.ErrInvalidData,
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"decompress and store candidates",
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)
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}
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inc := &protobufs.InclusionAggregateProof{
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Filter: e.filter,
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FrameNumber: frame.FrameNumber,
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InclusionCommitments: []*protobufs.InclusionCommitment{},
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Proof: aggregateProof.Proof,
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}
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for k, c := range aggregateProof.Commitments {
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k := k
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c := c
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loggerFunc(
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"adding inclusion commitment",
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zap.Uint64("frame_number", frame.FrameNumber),
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zap.Int("commit_index", j),
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zap.Int("inclusion_commit_index", k),
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zap.String("type_url", c.TypeUrl),
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)
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incCommit := &protobufs.InclusionCommitment{
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Filter: e.filter,
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FrameNumber: frame.FrameNumber,
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Position: uint32(k),
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TypeUrl: c.TypeUrl,
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Data: []byte{},
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Commitment: c.Commitment,
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}
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var output *protobufs.IntrinsicExecutionOutput
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if c.TypeUrl == protobufs.IntrinsicExecutionOutputType {
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output = &protobufs.IntrinsicExecutionOutput{}
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}
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for l, h := range c.SegmentHashes {
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l := l
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h := h
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for _, s := range syncMsg.Segments {
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s := s
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if bytes.Equal(s.Hash, h) {
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if output != nil {
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if l == 0 {
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loggerFunc(
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"found first half of matching segment data",
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zap.Uint64("frame_number", frame.FrameNumber),
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zap.Int("commit_index", j),
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zap.Int("inclusion_commit_index", k),
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zap.String("type_url", c.TypeUrl),
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)
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output.Address = s.Data[:32]
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output.Output = s.Data[32:]
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} else {
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loggerFunc(
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"found second half of matching segment data",
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zap.Uint64("frame_number", frame.FrameNumber),
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zap.Int("commit_index", j),
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zap.Int("inclusion_commit_index", k),
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zap.String("type_url", c.TypeUrl),
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)
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output.Proof = s.Data
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b, err := proto.Marshal(output)
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if err != nil {
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return nil, errors.Wrap(
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err,
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"decompress and store candidates",
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)
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}
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incCommit.Data = b
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break
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}
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} else {
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loggerFunc(
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"found matching segment data",
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zap.Uint64("frame_number", frame.FrameNumber),
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zap.Int("commit_index", j),
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zap.Int("inclusion_commit_index", k),
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zap.String("type_url", c.TypeUrl),
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)
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incCommit.Data = append(incCommit.Data, s.Data...)
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break
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}
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}
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}
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}
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inc.InclusionCommitments = append(
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inc.InclusionCommitments,
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incCommit,
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)
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}
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frame.AggregateProofs = append(
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frame.AggregateProofs,
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inc,
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)
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}
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f, err := proto.Marshal(frame)
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if err != nil {
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return nil, errors.Wrap(err, "decompress and store candidates")
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}
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any := &anypb.Any{
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TypeUrl: protobufs.ClockFrameType,
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Value: f,
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}
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if err = e.handleClockFrameData(
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e.syncingTarget,
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application.CEREMONY_ADDRESS,
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any,
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true,
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); err != nil {
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return nil, errors.Wrap(err, "decompress and store candidates")
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}
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final = frame
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}
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loggerFunc(
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"decompressed and stored sync for range",
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zap.Uint64("from", syncMsg.FromFrameNumber),
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zap.Uint64("to", syncMsg.ToFrameNumber),
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)
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return final, nil
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}
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type svr struct {
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protobufs.UnimplementedCeremonyServiceServer
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svrChan chan protobufs.CeremonyService_GetPublicChannelServer
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}
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func (e *svr) GetCompressedSyncFrames(
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request *protobufs.ClockFramesRequest,
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server protobufs.CeremonyService_GetCompressedSyncFramesServer,
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) error {
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return errors.New("not supported")
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}
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func (e *svr) GetPublicChannel(
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server protobufs.CeremonyService_GetPublicChannelServer,
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) error {
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go func() {
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e.svrChan <- server
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}()
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<-server.Context().Done()
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return nil
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}
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func (e *CeremonyDataClockConsensusEngine) GetPublicChannelForProvingKey(
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initiator bool,
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provingKey []byte,
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) (p2p.PublicChannelClient, error) {
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if initiator {
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svrChan := make(
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chan protobufs.CeremonyService_GetPublicChannelServer,
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)
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after := time.After(20 * time.Second)
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go func() {
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server := grpc.NewServer(
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grpc.MaxSendMsgSize(600*1024*1024),
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grpc.MaxRecvMsgSize(600*1024*1024),
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)
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s := &svr{
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svrChan: svrChan,
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}
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protobufs.RegisterCeremonyServiceServer(server, s)
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if err := e.pubSub.StartDirectChannelListener(
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provingKey,
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server,
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); err != nil {
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e.logger.Error(
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"could not get public channel for proving key",
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zap.Error(err),
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)
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svrChan <- nil
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}
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}()
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select {
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case s := <-svrChan:
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return s, nil
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case <-after:
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return nil, errors.Wrap(
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errors.New("timed out"),
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"get public channel for proving key",
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)
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}
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} else {
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cc, err := e.pubSub.GetDirectChannel(provingKey)
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if err != nil {
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e.logger.Error(
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"could not get public channel for proving key",
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zap.Error(err),
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)
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return nil, nil
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}
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client := protobufs.NewCeremonyServiceClient(cc)
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s, err := client.GetPublicChannel(
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context.Background(),
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grpc.MaxCallSendMsgSize(600*1024*1024),
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grpc.MaxCallRecvMsgSize(600*1024*1024),
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)
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return s, errors.Wrap(err, "get public channel for proving key")
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}
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}
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// GetPublicChannel implements protobufs.CeremonyServiceServer.
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func (e *CeremonyDataClockConsensusEngine) GetPublicChannel(
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server protobufs.CeremonyService_GetPublicChannelServer,
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) error {
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return errors.New("not supported")
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}
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func (e *CeremonyDataClockConsensusEngine) handleProvingKeyRequest(
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peerID []byte,
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address []byte,
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any *anypb.Any,
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) error {
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if bytes.Equal(peerID, e.pubSub.GetPeerID()) {
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return nil
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}
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request := &protobufs.ProvingKeyRequest{}
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if err := any.UnmarshalTo(request); err != nil {
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return nil
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}
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if len(request.ProvingKeyBytes) == 0 {
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e.logger.Debug(
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"received proving key request for empty key",
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zap.Binary("peer_id", peerID),
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zap.Binary("address", address),
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)
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return nil
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}
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e.pubSub.Subscribe(
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append(append([]byte{}, e.filter...), peerID...),
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e.handleSync,
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true,
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)
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e.logger.Debug(
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"received proving key request",
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zap.Binary("peer_id", peerID),
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zap.Binary("address", address),
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zap.Binary("proving_key", request.ProvingKeyBytes),
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)
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var provingKey *protobufs.ProvingKeyAnnouncement
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inclusion, err := e.keyStore.GetProvingKey(request.ProvingKeyBytes)
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if err != nil {
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if !errors.Is(err, store.ErrNotFound) {
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e.logger.Debug(
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"peer asked for proving key that returned error",
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zap.Binary("peer_id", peerID),
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zap.Binary("address", address),
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zap.Binary("proving_key", request.ProvingKeyBytes),
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)
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return nil
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}
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provingKey, err = e.keyStore.GetStagedProvingKey(request.ProvingKeyBytes)
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if !errors.Is(err, store.ErrNotFound) {
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e.logger.Debug(
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"peer asked for proving key that returned error",
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zap.Binary("peer_id", peerID),
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zap.Binary("address", address),
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zap.Binary("proving_key", request.ProvingKeyBytes),
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)
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return nil
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} else if err != nil {
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e.logger.Debug(
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"peer asked for unknown proving key",
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zap.Binary("peer_id", peerID),
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zap.Binary("address", address),
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zap.Binary("proving_key", request.ProvingKeyBytes),
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)
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return nil
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}
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} else {
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err := proto.Unmarshal(inclusion.Data, provingKey)
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if err != nil {
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e.logger.Debug(
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"inclusion commitment could not be deserialized",
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zap.Binary("peer_id", peerID),
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zap.Binary("address", address),
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zap.Binary("proving_key", request.ProvingKeyBytes),
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)
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return nil
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}
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}
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if err := e.publishMessage(
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append(append([]byte{}, e.filter...), peerID...),
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provingKey,
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); err != nil {
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return nil
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}
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return nil
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}
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