mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
synced 2024-11-10 18:25:17 +00:00
311 lines
8.1 KiB
Go
311 lines
8.1 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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"source.quilibrium.com/quilibrium/monorepo/node/config"
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"github.com/pkg/errors"
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"go.uber.org/zap"
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"google.golang.org/grpc"
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"google.golang.org/protobuf/proto"
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"source.quilibrium.com/quilibrium/monorepo/node/consensus"
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qcrypto "source.quilibrium.com/quilibrium/monorepo/node/crypto"
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"source.quilibrium.com/quilibrium/monorepo/node/execution/intrinsics/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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)
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func (e *CeremonyDataClockConsensusEngine) prove(
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previousFrame *protobufs.ClockFrame,
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) (*protobufs.ClockFrame, error) {
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if !e.frameProverTrie.Contains(e.provingKeyAddress) {
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e.stagedLobbyStateTransitionsMx.Lock()
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e.stagedLobbyStateTransitions = &protobufs.CeremonyLobbyStateTransition{}
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e.stagedLobbyStateTransitionsMx.Unlock()
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e.state = consensus.EngineStateCollecting
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return previousFrame, nil
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}
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e.stagedLobbyStateTransitionsMx.Lock()
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executionOutput := &protobufs.IntrinsicExecutionOutput{}
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app, err := application.MaterializeApplicationFromFrame(previousFrame)
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if err != nil {
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e.stagedLobbyStateTransitions = &protobufs.CeremonyLobbyStateTransition{}
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e.stagedLobbyStateTransitionsMx.Unlock()
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return nil, errors.Wrap(err, "prove")
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}
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if e.stagedLobbyStateTransitions == nil {
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e.stagedLobbyStateTransitions = &protobufs.CeremonyLobbyStateTransition{}
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}
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e.logger.Info(
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"proving new frame",
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zap.Int("state_transitions", len(e.stagedLobbyStateTransitions.TypeUrls)),
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)
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var validLobbyTransitions *protobufs.CeremonyLobbyStateTransition
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var skippedTransition *protobufs.CeremonyLobbyStateTransition
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app, validLobbyTransitions, skippedTransition, err = app.ApplyTransition(
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previousFrame.FrameNumber,
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e.stagedLobbyStateTransitions,
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true,
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)
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if err != nil {
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e.stagedLobbyStateTransitions = &protobufs.CeremonyLobbyStateTransition{}
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e.stagedLobbyStateTransitionsMx.Unlock()
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return nil, errors.Wrap(err, "prove")
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}
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e.stagedLobbyStateTransitions = skippedTransition
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defer e.stagedLobbyStateTransitionsMx.Unlock()
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lobbyState, err := app.MaterializeLobbyStateFromApplication()
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if err != nil {
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return nil, errors.Wrap(err, "prove")
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}
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executionOutput.Address = application.CEREMONY_ADDRESS
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executionOutput.Output, err = proto.Marshal(lobbyState)
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if err != nil {
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return nil, errors.Wrap(err, "prove")
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}
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executionOutput.Proof, err = proto.Marshal(validLobbyTransitions)
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if err != nil {
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return nil, errors.Wrap(err, "prove")
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}
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data, err := proto.Marshal(executionOutput)
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if err != nil {
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return nil, errors.Wrap(err, "prove")
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}
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e.logger.Debug("encoded execution output")
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commitment, err := e.inclusionProver.Commit(
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data,
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protobufs.IntrinsicExecutionOutputType,
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)
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if err != nil {
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return nil, errors.Wrap(err, "prove")
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}
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e.logger.Debug("creating kzg proof")
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proof, err := e.inclusionProver.ProveAggregate(
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[]*qcrypto.InclusionCommitment{commitment},
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)
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if err != nil {
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return nil, errors.Wrap(err, "prove")
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}
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e.logger.Debug("finalizing execution proof")
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frame, err := e.frameProver.ProveDataClockFrame(
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previousFrame,
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[][]byte{proof.AggregateCommitment},
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[]*protobufs.InclusionAggregateProof{
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{
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Filter: e.filter,
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FrameNumber: previousFrame.FrameNumber + 1,
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InclusionCommitments: []*protobufs.InclusionCommitment{
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{
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Filter: e.filter,
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FrameNumber: previousFrame.FrameNumber + 1,
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TypeUrl: proof.InclusionCommitments[0].TypeUrl,
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Commitment: proof.InclusionCommitments[0].Commitment,
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Data: data,
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Position: 0,
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},
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},
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Proof: proof.Proof,
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},
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},
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e.provingKey,
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time.Now().UnixMilli(),
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e.difficulty,
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)
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if err != nil {
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return nil, errors.Wrap(err, "prove")
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}
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e.logger.Info(
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"returning new proven frame",
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zap.Uint64("frame_number", frame.FrameNumber),
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zap.Int("proof_count", len(frame.AggregateProofs)),
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zap.Int("commitment_count", len(frame.Input[516:])/74),
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)
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return frame, nil
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}
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func (e *CeremonyDataClockConsensusEngine) GetMostAheadPeer(
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frameNumber uint64,
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) (
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[]byte,
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uint64,
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error,
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) {
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e.logger.Info(
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"checking peer list",
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zap.Int("peers", len(e.peerMap)),
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zap.Int("uncooperative_peers", len(e.uncooperativePeersMap)),
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zap.Uint64("current_head_frame", frameNumber),
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)
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max := frameNumber
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var peer []byte = nil
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e.peerMapMx.RLock()
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for _, v := range e.peerMap {
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e.logger.Debug(
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"checking peer info",
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zap.Binary("peer_id", v.peerId),
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zap.Uint64("max_frame_number", v.maxFrame),
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zap.Int64("timestamp", v.timestamp),
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zap.Binary("version", v.version),
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)
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_, ok := e.uncooperativePeersMap[string(v.peerId)]
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if v.maxFrame > max &&
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v.timestamp > config.GetMinimumVersionCutoff().UnixMilli() &&
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bytes.Compare(v.version, config.GetMinimumVersion()) >= 0 && !ok {
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peer = v.peerId
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max = v.maxFrame
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}
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}
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e.peerMapMx.RUnlock()
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if peer == nil {
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return nil, 0, p2p.ErrNoPeersAvailable
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}
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return peer, max, nil
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}
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func (e *CeremonyDataClockConsensusEngine) sync(
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currentLatest *protobufs.ClockFrame,
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maxFrame uint64,
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peerId []byte,
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) (*protobufs.ClockFrame, error) {
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latest := currentLatest
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e.logger.Info("polling peer for new frames", zap.Binary("peer_id", peerId))
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cc, err := e.pubSub.GetDirectChannel(peerId, "")
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if err != nil {
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e.logger.Debug(
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"could not establish direct channel",
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zap.Error(err),
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)
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e.peerMapMx.Lock()
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if _, ok := e.peerMap[string(peerId)]; ok {
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e.uncooperativePeersMap[string(peerId)] = e.peerMap[string(peerId)]
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e.uncooperativePeersMap[string(peerId)].timestamp = time.Now().UnixMilli()
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delete(e.peerMap, string(peerId))
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}
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e.peerMapMx.Unlock()
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return latest, errors.Wrap(err, "sync")
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}
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client := protobufs.NewCeremonyServiceClient(cc)
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response, err := client.GetDataFrame(
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context.TODO(),
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&protobufs.GetDataFrameRequest{
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FrameNumber: 0,
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},
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grpc.MaxCallRecvMsgSize(600*1024*1024),
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)
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if err != nil {
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e.logger.Debug(
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"could not get frame",
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zap.Error(err),
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)
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e.peerMapMx.Lock()
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if _, ok := e.peerMap[string(peerId)]; ok {
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e.uncooperativePeersMap[string(peerId)] = e.peerMap[string(peerId)]
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e.uncooperativePeersMap[string(peerId)].timestamp = time.Now().UnixMilli()
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delete(e.peerMap, string(peerId))
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}
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e.peerMapMx.Unlock()
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if err := cc.Close(); err != nil {
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e.logger.Error("error while closing connection", zap.Error(err))
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}
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return latest, errors.Wrap(err, "sync")
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}
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if response == nil {
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e.logger.Debug("received no response from peer")
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if err := cc.Close(); err != nil {
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e.logger.Error("error while closing connection", zap.Error(err))
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}
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return latest, nil
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}
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e.logger.Info(
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"received new leading frame",
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zap.Uint64("frame_number", response.ClockFrame.FrameNumber),
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)
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if err := cc.Close(); err != nil {
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e.logger.Error("error while closing connection", zap.Error(err))
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}
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e.dataTimeReel.Insert(response.ClockFrame, false)
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return response.ClockFrame, nil
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}
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func (e *CeremonyDataClockConsensusEngine) collect(
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currentFramePublished *protobufs.ClockFrame,
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) (*protobufs.ClockFrame, error) {
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e.logger.Info("collecting vdf proofs")
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latest := currentFramePublished
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for {
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peerId, maxFrame, err := e.GetMostAheadPeer(latest.FrameNumber)
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if maxFrame > latest.FrameNumber {
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e.syncingStatus = SyncStatusSynchronizing
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if err != nil {
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e.logger.Info("no peers available for sync, waiting")
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time.Sleep(5 * time.Second)
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} else if maxFrame > latest.FrameNumber {
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masterHead, err := e.masterTimeReel.Head()
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if err != nil {
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panic(err)
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}
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if masterHead.FrameNumber < maxFrame {
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e.logger.Info(
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"master frame synchronization needed to continue, waiting",
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zap.Uint64("master_frame_head", masterHead.FrameNumber),
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zap.Uint64("max_data_frame_target", maxFrame),
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)
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time.Sleep(30 * time.Second)
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continue
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}
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latest, err = e.sync(latest, maxFrame, peerId)
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if err == nil {
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break
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}
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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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e.syncingStatus = SyncStatusNotSyncing
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if latest.FrameNumber < currentFramePublished.FrameNumber {
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latest = currentFramePublished
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}
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e.logger.Info(
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"returning leader frame",
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zap.Uint64("frame_number", latest.FrameNumber),
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)
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return latest, nil
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}
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