mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
synced 2024-11-13 03:35:17 +00:00
686 lines
18 KiB
Go
686 lines
18 KiB
Go
package ceremony
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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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"io"
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"time"
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pcrypto "github.com/libp2p/go-libp2p/core/crypto"
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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/pbnjay/memory"
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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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"google.golang.org/protobuf/types/known/anypb"
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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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"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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// Compressed sync negotiation:
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// Recipients of the sync Servers providing sync
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// | |
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// |---------[Preflight{HEAD, HEAD-16, HEAD-32, HEAD-64, ..., 1}]------------->|
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// |<--------[Preflight{HEAD, HEAD-16, HEAD-32, HEAD-64, ..., M}]--------------|
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// | M = matching selector or 1 |
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// |------------------------------[Request{N}]-------------------------------->|
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// | N = matching higher selector or M |
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// |<-------------------------[Response{N...N+16}]-----------------------------|
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// |<--------------------------[Response{N+17...}]-----------------------------|
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// |<--------------------------[Response{...HEAD}]-----------------------------|
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func (e *CeremonyDataClockConsensusEngine) NegotiateCompressedSyncFrames(
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server protobufs.CeremonyService_NegotiateCompressedSyncFramesServer,
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) error {
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e.currentReceivingSyncPeersMx.Lock()
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if e.currentReceivingSyncPeers > int(
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memory.TotalMemory()/uint64(4294967296)-4,
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) {
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e.currentReceivingSyncPeersMx.Unlock()
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e.logger.Debug(
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"currently processing maximum sync requests, returning",
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)
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if err := server.SendMsg(
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&protobufs.CeremonyCompressedSyncResponseMessage{
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SyncMessage: &protobufs.CeremonyCompressedSyncResponseMessage_Response{
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Response: &protobufs.CeremonyCompressedSync{
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FromFrameNumber: 0,
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ToFrameNumber: 0,
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},
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},
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},
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); err != nil {
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return errors.Wrap(err, "negotiate compressed sync frames")
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}
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return nil
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}
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request, err := server.Recv()
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if err == io.EOF {
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return nil
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}
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if err != nil {
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return errors.Wrap(err, "negotiate compressed sync frames")
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}
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authentication, ok := request.
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SyncMessage.(*protobufs.CeremonyCompressedSyncRequestMessage_Authentication)
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if !ok {
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return nil
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}
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if authentication.Authentication == nil ||
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authentication.Authentication.Challenge == nil ||
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authentication.Authentication.PeerId == nil ||
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authentication.Authentication.Response == nil ||
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authentication.Authentication.Response.PublicKey == nil ||
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authentication.Authentication.Response.PublicKey.KeyValue == nil ||
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authentication.Authentication.Response.Signature == nil ||
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len(authentication.Authentication.Challenge) < 8 {
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return nil
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}
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if !bytes.Equal(
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authentication.Authentication.Challenge[:len(
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authentication.Authentication.Challenge,
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)-8],
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e.pubSub.GetPeerID(),
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) {
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e.logger.Warn(
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"peer provided invalid challenge",
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)
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return nil
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}
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// probably some remark to make about chronometers here, whether one or three
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challenge := int64(
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binary.BigEndian.Uint64(
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authentication.Authentication.Challenge[len(
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authentication.Authentication.Challenge,
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)-8:],
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),
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)
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dist := time.Now().UnixMilli() - challenge
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if dist < 0 {
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dist *= -1
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}
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// account for skew
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if dist > 30000 {
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e.logger.Debug(
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"peer provided challenge with too great of a distance",
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zap.Int64("distance", dist),
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)
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return nil
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}
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key, err := pcrypto.UnmarshalEd448PublicKey(
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authentication.Authentication.Response.PublicKey.KeyValue,
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)
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if err != nil {
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e.logger.Debug(
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"peer provided invalid pubkey",
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zap.Binary(
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"public_key",
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authentication.Authentication.Response.PublicKey.KeyValue,
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),
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)
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return errors.Wrap(err, "negotiate compressed sync frames")
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}
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if !(peer.ID(authentication.Authentication.PeerId)).MatchesPublicKey(key) {
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e.logger.Debug(
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"peer id does not match pubkey",
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zap.Binary("peer_id", authentication.Authentication.PeerId),
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zap.Binary(
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"public_key",
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authentication.Authentication.Response.PublicKey.KeyValue,
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),
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)
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return nil
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}
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b, err := key.Verify(
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authentication.Authentication.Challenge,
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authentication.Authentication.Response.Signature,
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)
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if err != nil || !b {
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e.logger.Debug(
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"peer provided invalid signature",
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zap.Binary("peer_id", authentication.Authentication.PeerId),
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zap.Binary(
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"public_key",
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authentication.Authentication.Response.PublicKey.KeyValue,
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),
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zap.Binary(
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"signature",
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authentication.Authentication.Response.Signature,
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),
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)
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return nil
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}
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manifest := e.peerInfoManager.GetPeerInfo(
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authentication.Authentication.PeerId,
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)
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if manifest == nil || manifest.Bandwidth <= 1048576 {
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e.logger.Debug(
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"peer manifest was null or bandwidth was low",
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zap.Binary("peer_id", authentication.Authentication.PeerId),
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)
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return nil
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}
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// TODO: should give this more tlc, but should remap into blossomsub
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// heuristics
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e.currentReceivingSyncPeers++
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e.currentReceivingSyncPeersMx.Unlock()
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defer func() {
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e.currentReceivingSyncPeersMx.Lock()
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e.currentReceivingSyncPeers--
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e.currentReceivingSyncPeersMx.Unlock()
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}()
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for {
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request, err := server.Recv()
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if err == io.EOF {
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return nil
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}
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if err != nil {
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return errors.Wrap(err, "negotiate compressed sync frames")
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}
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switch msg := request.SyncMessage.(type) {
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case *protobufs.CeremonyCompressedSyncRequestMessage_Preflight:
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e.logger.Debug(
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"received clock frame preflight",
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zap.Int("selector_count", len(msg.Preflight.RangeParentSelectors)),
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)
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from := uint64(1)
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preflightResponse := []*protobufs.ClockFrameParentSelectors{}
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for _, selector := range msg.Preflight.RangeParentSelectors {
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frame, _, err := e.clockStore.GetDataClockFrame(
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e.filter,
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selector.FrameNumber,
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true,
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)
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if err == nil && frame != nil {
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from = selector.FrameNumber
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break
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}
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}
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head, err := e.dataTimeReel.Head()
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if err != nil {
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return errors.Wrap(err, "negotiate compressed sync frames")
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}
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to := head.FrameNumber
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selector, err := head.GetSelector()
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if err != nil {
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return errors.Wrap(err, "negotiate compressed sync frames")
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}
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preflightResponse = append(
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preflightResponse,
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&protobufs.ClockFrameParentSelectors{
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FrameNumber: to,
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ParentSelector: selector.FillBytes(make([]byte, 32)),
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},
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)
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rangeSubtract := uint64(4)
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for {
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parentNumber := to - uint64(rangeSubtract)
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if parentNumber < from {
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break
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}
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rangeSubtract *= 2
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parent, _, err := e.clockStore.GetDataClockFrame(
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e.filter,
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parentNumber,
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true,
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)
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if err != nil {
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break
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}
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parentSelector, err := parent.GetSelector()
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if err != nil {
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return errors.Wrap(err, "negotiate compressed sync frames")
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}
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preflightResponse = append(
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preflightResponse,
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&protobufs.ClockFrameParentSelectors{
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FrameNumber: parent.FrameNumber,
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ParentSelector: parentSelector.FillBytes(make([]byte, 32)),
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},
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)
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}
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err = server.Send(&protobufs.CeremonyCompressedSyncResponseMessage{
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SyncMessage: &protobufs.CeremonyCompressedSyncResponseMessage_Preflight{
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Preflight: &protobufs.ClockFramesPreflight{
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RangeParentSelectors: preflightResponse,
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},
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},
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})
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if err != nil {
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return errors.Wrap(err, "negotiate compressed sync frames")
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}
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case *protobufs.CeremonyCompressedSyncRequestMessage_Request:
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e.logger.Info(
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"received clock frame request",
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zap.Uint64("from_frame_number", msg.Request.FromFrameNumber),
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zap.Uint64("to_frame_number", msg.Request.ToFrameNumber),
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)
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from := msg.Request.FromFrameNumber
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_, _, err := e.clockStore.GetDataClockFrame(
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e.filter,
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from,
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true,
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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", msg.Request.FromFrameNumber),
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)
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return errors.Wrap(err, "negotiate compressed sync frames")
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} else {
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from = 1
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}
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}
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head, err := e.dataTimeReel.Head()
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if err != nil {
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panic(err)
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}
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max := head.FrameNumber
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to := msg.Request.ToFrameNumber
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// We need to slightly rewind, to compensate for unconfirmed frame heads
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// on a given branch
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if from >= 2 {
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from--
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}
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for {
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if to == 0 || to-from > 4 {
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if max > from+3 {
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to = from + 4
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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, "negotiate compressed sync frames")
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}
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if err := server.Send(&protobufs.CeremonyCompressedSyncResponseMessage{
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SyncMessage: &protobufs.
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CeremonyCompressedSyncResponseMessage_Response{
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Response: syncMsg,
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},
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}); err != nil {
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return errors.Wrap(err, "negotiate compressed sync frames")
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}
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if (msg.Request.ToFrameNumber == 0 || msg.Request.ToFrameNumber > to) &&
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max > to {
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from = to + 1
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if msg.Request.ToFrameNumber > to {
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to = msg.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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}
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}
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// Deprecated: Use NegotiateCompressedSyncFrames.
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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.Debug(
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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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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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func (e *CeremonyDataClockConsensusEngine) decompressAndStoreCandidates(
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peerId []byte,
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syncMsg *protobufs.CeremonyCompressedSync,
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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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head, err := e.dataTimeReel.Head()
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if err != nil {
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panic(err)
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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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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 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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e.logger.Info(
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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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e.logger.Debug(
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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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e.logger.Info(
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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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e.logger.Debug(
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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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e.logger.Debug(
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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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e.logger.Debug(
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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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e.logger.Debug(
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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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|
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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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}
|
|
|
|
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")
|
|
}
|