mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
synced 2024-12-28 09:35:17 +00:00
331 lines
8.3 KiB
Go
331 lines
8.3 KiB
Go
package master
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import (
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"bytes"
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"context"
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"encoding/binary"
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"strings"
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"time"
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"github.com/iden3/go-iden3-crypto/poseidon"
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"github.com/libp2p/go-libp2p/core/peer"
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"github.com/mr-tron/base58"
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"github.com/pkg/errors"
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"go.uber.org/zap"
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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/consensus"
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"source.quilibrium.com/quilibrium/monorepo/node/protobufs"
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)
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func (e *MasterClockConsensusEngine) handleMessage(message *pb.Message) 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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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 message")
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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 message")
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}
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switch any.TypeUrl {
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case protobufs.ClockFrameType:
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if err := e.handleClockFrameData(
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message.From,
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any,
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); err != nil {
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return errors.Wrap(err, "handle message")
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}
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return nil
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case protobufs.SelfTestReportType:
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if err := e.handleSelfTestReport(
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message.From,
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any,
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); err != nil {
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return errors.Wrap(err, "handle message")
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}
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return nil
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}
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return errors.Wrap(errors.New("invalid message"), "handle message")
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}
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func (e *MasterClockConsensusEngine) handleClockFrameData(
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peerID []byte,
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any *anypb.Any,
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) error {
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frame := &protobufs.ClockFrame{}
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if err := any.UnmarshalTo(frame); err != nil {
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return errors.Wrap(err, "handle clock frame data")
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}
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head, 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 frame.FrameNumber < head.FrameNumber {
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return nil
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}
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if e.difficulty != frame.Difficulty {
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e.logger.Debug(
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"frame difficulty mismatched",
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zap.Uint32("difficulty", frame.Difficulty),
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)
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return errors.Wrap(
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errors.New("frame difficulty"),
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"handle clock frame data",
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)
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}
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e.logger.Debug(
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"got clock frame",
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zap.Binary("sender", peerID),
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zap.Binary("filter", frame.Filter),
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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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)
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go func() {
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select {
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case e.frameValidationCh <- frame:
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default:
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e.logger.Debug(
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"dropped frame due to overwhelmed queue",
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zap.Binary("sender", peerID),
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zap.Binary("filter", frame.Filter),
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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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)
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}
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}()
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return nil
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}
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func (e *MasterClockConsensusEngine) handleSelfTestReport(
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peerID []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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report := &protobufs.SelfTestReport{}
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if err := any.UnmarshalTo(report); err != nil {
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return errors.Wrap(err, "handle self test report")
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}
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// minimum proof size is one timestamp, one vdf proof, must match one fewer
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// than core count
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if len(report.Proof) < 516+8 ||
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((len(report.Proof)-8)/516) != int(report.Cores-1) {
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e.logger.Warn(
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"received invalid proof from peer",
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zap.String("peer_id", peer.ID(peerID).String()),
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)
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e.pubSub.SetPeerScore(peerID, -1000)
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return errors.Wrap(errors.New("invalid report"), "handle self test report")
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}
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e.logger.Debug(
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"received proof from peer",
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zap.String("peer_id", peer.ID(peerID).String()),
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)
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info := e.peerInfoManager.GetPeerInfo(peerID)
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if info != nil {
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if (time.Now().UnixMilli() - info.LastSeen) < (270 * 1000) {
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return nil
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}
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info.MasterHeadFrame = report.MasterHeadFrame
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if info.Bandwidth <= 1048576 {
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go func() {
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ctx, cancel := context.WithTimeout(context.TODO(), 5*time.Minute)
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defer cancel()
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ch := e.pubSub.GetMultiaddrOfPeerStream(ctx, peerID)
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select {
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case <-ch:
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go func() {
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e.bandwidthTestCh <- peerID
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}()
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case <-ctx.Done():
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}
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}()
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}
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proof := report.Proof
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timestamp := binary.BigEndian.Uint64(proof[:8])
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proof = proof[8:]
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// Ignore outdated reports, give 3 minutes for propagation delay
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if int64(timestamp) < (time.Now().UnixMilli() - (480 * 1000)) {
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return nil
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}
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challenge := binary.BigEndian.AppendUint64([]byte{}, report.MasterHeadFrame)
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challenge = append(challenge, peerID...)
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proofs := make([][]byte, (len(report.Proof)-8)/516)
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for i := 0; i < len(proofs); i++ {
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proofs[i] = proof[i*516 : (i+1)*516]
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}
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if !e.frameProver.VerifyChallengeProof(
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challenge,
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int64(timestamp),
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report.DifficultyMetric,
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proofs,
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) {
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e.logger.Warn(
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"received invalid proof from peer",
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zap.String("peer_id", peer.ID(peerID).String()),
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)
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e.pubSub.SetPeerScore(peerID, -1000)
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return errors.Wrap(
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errors.New("invalid report"),
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"handle self test report",
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)
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}
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info.LastSeen = time.Now().UnixMilli()
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return nil
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}
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e.addPeerManifestReport(peerID, report)
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memory := binary.BigEndian.Uint64(report.Memory)
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e.logger.Debug(
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"received self test report",
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zap.String("peer_id", base58.Encode(peerID)),
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zap.Uint32("difficulty", report.Difficulty),
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zap.Int64("difficulty_metric", report.DifficultyMetric),
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zap.Int64("commit_16_metric", report.Commit_16Metric),
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zap.Int64("commit_128_metric", report.Commit_128Metric),
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zap.Int64("commit_1024_metric", report.Commit_1024Metric),
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zap.Int64("commit_65536_metric", report.Commit_65536Metric),
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zap.Int64("proof_16_metric", report.Proof_16Metric),
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zap.Int64("proof_128_metric", report.Proof_128Metric),
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zap.Int64("proof_1024_metric", report.Proof_1024Metric),
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zap.Int64("proof_65536_metric", report.Proof_65536Metric),
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zap.Uint32("cores", report.Cores),
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zap.Uint64("memory", memory),
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zap.Uint64("storage", binary.BigEndian.Uint64(report.Storage)),
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)
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if report.Cores < 3 || memory < 16000000000 {
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e.logger.Debug(
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"peer reported invalid configuration",
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zap.String("peer_id", base58.Encode(peerID)),
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zap.Uint32("difficulty", report.Difficulty),
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zap.Int64("difficulty_metric", report.DifficultyMetric),
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zap.Int64("commit_16_metric", report.Commit_16Metric),
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zap.Int64("commit_128_metric", report.Commit_128Metric),
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zap.Int64("commit_1024_metric", report.Commit_1024Metric),
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zap.Int64("commit_65536_metric", report.Commit_65536Metric),
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zap.Int64("proof_16_metric", report.Proof_16Metric),
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zap.Int64("proof_128_metric", report.Proof_128Metric),
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zap.Int64("proof_1024_metric", report.Proof_1024Metric),
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zap.Int64("proof_65536_metric", report.Proof_65536Metric),
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zap.Uint32("cores", report.Cores),
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zap.Uint64("memory", memory),
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zap.Uint64("storage", binary.BigEndian.Uint64(report.Storage)),
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)
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// tag: dusk – nuke this peer for now
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e.pubSub.SetPeerScore(peerID, -1000)
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return nil
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}
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go func() {
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ctx, cancel := context.WithTimeout(context.TODO(), 5*time.Minute)
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defer cancel()
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ch := e.pubSub.GetMultiaddrOfPeerStream(ctx, peerID)
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select {
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case <-ch:
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go func() {
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e.bandwidthTestCh <- peerID
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}()
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case <-ctx.Done():
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}
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}()
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return nil
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}
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func (e *MasterClockConsensusEngine) publishProof(
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frame *protobufs.ClockFrame,
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) error {
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e.logger.Debug(
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"publishing frame",
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zap.Uint64("frame_number", frame.FrameNumber),
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)
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e.masterTimeReel.Insert(frame, false)
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peers, err := e.GetMostAheadPeers()
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if err != nil || len(peers) == 0 {
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// publish if we don't see anyone (empty peer list) or if we're the most
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// ahead:
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e.report.MasterHeadFrame = frame.FrameNumber
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if err := e.publishMessage(e.filter, e.report); err != nil {
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e.logger.Debug("error publishing message", zap.Error(err))
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}
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}
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e.state = consensus.EngineStateCollecting
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return nil
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}
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func (e *MasterClockConsensusEngine) publishMessage(
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filter []byte,
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message proto.Message,
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) error {
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any := &anypb.Any{}
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if err := any.MarshalFrom(message); err != nil {
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return errors.Wrap(err, "publish message")
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}
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// annoying protobuf any hack
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any.TypeUrl = strings.Replace(
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any.TypeUrl,
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"type.googleapis.com",
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"types.quilibrium.com",
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1,
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)
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payload, err := proto.Marshal(any)
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if err != nil {
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return errors.Wrap(err, "publish message")
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}
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h, err := poseidon.HashBytes(payload)
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if err != nil {
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return errors.Wrap(err, "publish message")
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}
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msg := &protobufs.Message{
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Hash: h.Bytes(),
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Address: e.filter,
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Payload: payload,
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}
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data, err := proto.Marshal(msg)
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if err != nil {
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return errors.Wrap(err, "publish message")
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}
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return e.pubSub.PublishToBitmask(filter, data)
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}
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