mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
synced 2024-12-27 00:55:17 +00:00
546 lines
13 KiB
Go
546 lines
13 KiB
Go
package data
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import (
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"bytes"
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"encoding/binary"
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"time"
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"github.com/iden3/go-iden3-crypto/poseidon"
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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/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/node/config"
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"source.quilibrium.com/quilibrium/monorepo/node/protobufs"
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)
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func (e *DataClockConsensusEngine) runMessageHandler() {
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for {
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select {
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case message := <-e.messageProcessorCh:
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e.logger.Debug("handling message")
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msg := &protobufs.Message{}
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if err := proto.Unmarshal(message.Data, msg); err != nil {
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continue
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}
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e.peerMapMx.RLock()
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peer, ok := e.peerMap[string(message.From)]
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e.peerMapMx.RUnlock()
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if ok && bytes.Compare(peer.version, config.GetMinimumVersion()) >= 0 &&
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bytes.Equal(
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e.frameProverTries[0].FindNearest(e.provingKeyAddress).External.Key,
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e.provingKeyAddress,
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) && e.syncingStatus == SyncStatusNotSyncing {
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for name := range e.executionEngines {
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name := name
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go func() error {
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messages, err := e.executionEngines[name].ProcessMessage(
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msg.Address,
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msg,
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)
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if err != nil {
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e.logger.Debug(
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"could not process message for engine",
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zap.Error(err),
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zap.String("engine_name", name),
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)
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return nil
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}
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for _, appMessage := range messages {
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appMsg := &anypb.Any{}
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err := proto.Unmarshal(appMessage.Payload, appMsg)
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if err != nil {
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e.logger.Error(
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"could not unmarshal app message",
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zap.Error(err),
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zap.String("engine_name", name),
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)
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continue
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}
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switch appMsg.TypeUrl {
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case protobufs.TokenRequestType:
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t := &protobufs.TokenRequest{}
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err := proto.Unmarshal(appMsg.Value, t)
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if err != nil {
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continue
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}
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if err := e.handleTokenRequest(t); err != nil {
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continue
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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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}
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} else {
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return
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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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e.logger.Error("error while unmarshaling", zap.Error(err))
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continue
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}
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go func() {
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switch any.TypeUrl {
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case protobufs.ClockFrameType:
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if !ok || bytes.Compare(
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peer.version,
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config.GetMinimumVersion(),
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) < 0 {
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e.logger.Debug("received frame from unknown or outdated peer")
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return
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}
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if err := e.handleClockFrameData(
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message.From,
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msg.Address,
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any,
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false,
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); err != nil {
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return
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}
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case protobufs.DataPeerListAnnounceType:
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if err := e.handleDataPeerListAnnounce(
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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
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}
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case protobufs.AnnounceProverJoinType:
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if err := e.handleDataAnnounceProverJoin(
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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
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}
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case protobufs.AnnounceProverLeaveType:
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if !e.IsInProverTrie(peer.peerId) {
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return
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}
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if err := e.handleDataAnnounceProverLeave(
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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
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}
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case protobufs.AnnounceProverPauseType:
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if err := e.handleDataAnnounceProverPause(
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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
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}
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case protobufs.AnnounceProverResumeType:
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if err := e.handleDataAnnounceProverResume(
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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
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}
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}
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}()
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}
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}
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}
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func (e *DataClockConsensusEngine) handleDataPeerListAnnounce(
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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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announce := &protobufs.DataPeerListAnnounce{}
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if err := any.UnmarshalTo(announce); err != nil {
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return errors.Wrap(err, "handle data peer list announce")
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}
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for _, p := range announce.PeerList {
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if bytes.Equal(p.PeerId, e.pubSub.GetPeerID()) {
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continue
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}
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if !bytes.Equal(p.PeerId, peerID) {
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continue
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}
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if p.PublicKey == nil || p.Signature == nil || p.Version == nil {
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continue
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}
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if p.PublicKey != nil && p.Signature != nil && p.Version != nil {
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key, err := pcrypto.UnmarshalEd448PublicKey(p.PublicKey)
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if err != nil {
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e.logger.Warn(
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"peer announcement contained invalid pubkey",
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zap.Binary("public_key", p.PublicKey),
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)
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continue
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}
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if !(peer.ID(p.PeerId)).MatchesPublicKey(key) {
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e.logger.Warn(
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"peer announcement peer id does not match pubkey",
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zap.Binary("peer_id", p.PeerId),
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zap.Binary("public_key", p.PublicKey),
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)
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continue
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}
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msg := binary.BigEndian.AppendUint64([]byte{}, p.MaxFrame)
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msg = append(msg, p.Version...)
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msg = binary.BigEndian.AppendUint64(msg, uint64(p.Timestamp))
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b, err := key.Verify(msg, p.Signature)
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if err != nil || !b {
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e.logger.Warn(
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"peer provided invalid signature",
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zap.Binary("msg", msg),
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zap.Binary("public_key", p.PublicKey),
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zap.Binary("signature", p.Signature),
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)
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continue
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}
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if bytes.Compare(p.Version, config.GetMinimumVersion()) < 0 &&
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p.Timestamp > config.GetMinimumVersionCutoff().UnixMilli() {
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e.logger.Debug(
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"peer provided outdated version, penalizing app score",
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zap.Binary("peer_id", p.PeerId),
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)
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e.pubSub.SetPeerScore(p.PeerId, -10000)
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continue
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}
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}
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e.peerMapMx.RLock()
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if _, ok := e.uncooperativePeersMap[string(p.PeerId)]; ok {
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e.peerMapMx.RUnlock()
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continue
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}
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e.peerMapMx.RUnlock()
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multiaddr := e.pubSub.GetMultiaddrOfPeer(p.PeerId)
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e.pubSub.SetPeerScore(p.PeerId, 10)
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e.peerMapMx.RLock()
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existing, ok := e.peerMap[string(p.PeerId)]
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e.peerMapMx.RUnlock()
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if ok {
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if existing.signature != nil && p.Signature == nil {
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continue
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}
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if existing.publicKey != nil && p.PublicKey == nil {
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continue
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}
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if existing.version != nil && p.Version == nil {
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continue
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}
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if existing.timestamp > p.Timestamp {
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continue
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}
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}
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e.peerMapMx.Lock()
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e.peerMap[string(p.PeerId)] = &peerInfo{
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peerId: p.PeerId,
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multiaddr: multiaddr,
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maxFrame: p.MaxFrame,
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direct: bytes.Equal(p.PeerId, peerID),
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lastSeen: time.Now().Unix(),
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timestamp: p.Timestamp,
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version: p.Version,
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signature: p.Signature,
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publicKey: p.PublicKey,
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totalDistance: p.TotalDistance,
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}
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e.peerMapMx.Unlock()
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}
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return nil
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}
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func (e *DataClockConsensusEngine) getAddressFromSignature(
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sig *protobufs.Ed448Signature,
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) ([]byte, error) {
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addrBI, err := poseidon.HashBytes(sig.PublicKey.KeyValue)
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if err != nil {
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return nil, errors.Wrap(err, "get address from signature")
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}
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return addrBI.FillBytes(make([]byte, 32)), nil
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}
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func (e *DataClockConsensusEngine) handleDataAnnounceProverJoin(
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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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announce := &protobufs.AnnounceProverJoin{}
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if err := any.UnmarshalTo(announce); err != nil {
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return errors.Wrap(err, "handle data announce prover join")
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}
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address, err := e.getAddressFromSignature(announce.PublicKeySignatureEd448)
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if err != nil {
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return errors.Wrap(err, "handle data announce prover join")
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}
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e.proverTrieRequestsMx.Lock()
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if len(announce.Filter) != len(e.filter) {
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return errors.Wrap(
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errors.New("filter width mismatch"),
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"handle data announce prover join",
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)
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}
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e.proverTrieJoinRequests[string(address)] = string(announce.Filter)
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e.proverTrieRequestsMx.Unlock()
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return nil
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}
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func (e *DataClockConsensusEngine) handleDataAnnounceProverLeave(
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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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announce := &protobufs.AnnounceProverLeave{}
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if err := any.UnmarshalTo(announce); err != nil {
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return errors.Wrap(err, "handle data announce prover leave")
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}
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e.proverTrieRequestsMx.Lock()
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if len(announce.Filter) != len(e.filter) {
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return errors.Wrap(
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errors.New("filter width mismatch"),
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"handle data announce prover leave",
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)
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}
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address, err := e.getAddressFromSignature(announce.PublicKeySignatureEd448)
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if err != nil {
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return errors.Wrap(err, "handle data announce prover leave")
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}
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e.proverTrieLeaveRequests[string(address)] = string(announce.Filter)
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e.proverTrieRequestsMx.Unlock()
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return nil
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}
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func (e *DataClockConsensusEngine) handleDataAnnounceProverPause(
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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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announce := &protobufs.AnnounceProverPause{}
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if err := any.UnmarshalTo(announce); err != nil {
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return errors.Wrap(err, "handle data announce prover pause")
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}
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e.proverTrieRequestsMx.Lock()
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if len(announce.Filter) != len(e.filter) {
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return errors.Wrap(
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errors.New("filter width mismatch"),
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"handle data announce prover pause",
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)
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}
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address, err := e.getAddressFromSignature(announce.PublicKeySignatureEd448)
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if err != nil {
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return errors.Wrap(err, "handle data announce prover pause")
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}
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e.proverTrieLeaveRequests[string(address)] = string(announce.Filter)
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e.proverTrieRequestsMx.Unlock()
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return nil
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}
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func (e *DataClockConsensusEngine) handleDataAnnounceProverResume(
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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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announce := &protobufs.AnnounceProverResume{}
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if err := any.UnmarshalTo(announce); err != nil {
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return errors.Wrap(err, "handle data announce prover resume")
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}
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e.proverTrieRequestsMx.Lock()
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if len(announce.Filter) != len(e.filter) {
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return errors.Wrap(
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errors.New("filter width mismatch"),
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"handle data announce prover resume",
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)
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}
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address, err := e.getAddressFromSignature(announce.PublicKeySignatureEd448)
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if err != nil {
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return errors.Wrap(err, "handle data announce prover resume")
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}
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e.proverTrieLeaveRequests[string(address)] = string(announce.Filter)
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e.proverTrieRequestsMx.Unlock()
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return nil
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}
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func (e *DataClockConsensusEngine) handleTokenRequest(
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transition *protobufs.TokenRequest,
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) error {
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e.stagedTransactionsMx.Lock()
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if e.stagedTransactions == nil {
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e.stagedTransactions = &protobufs.TokenRequests{}
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}
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found := false
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for _, ti := range e.stagedTransactions.Requests {
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switch t := ti.Request.(type) {
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case *protobufs.TokenRequest_Transfer:
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switch r := transition.Request.(type) {
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case *protobufs.TokenRequest_Transfer:
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if bytes.Equal(r.Transfer.OfCoin.Address, t.Transfer.OfCoin.Address) {
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found = true
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}
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}
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case *protobufs.TokenRequest_Split:
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switch r := transition.Request.(type) {
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case *protobufs.TokenRequest_Split:
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if bytes.Equal(r.Split.OfCoin.Address, r.Split.OfCoin.Address) {
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found = true
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}
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}
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case *protobufs.TokenRequest_Merge:
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switch r := transition.Request.(type) {
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case *protobufs.TokenRequest_Merge:
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checkmerge:
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for i := range t.Merge.Coins {
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for j := range r.Merge.Coins {
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if bytes.Equal(t.Merge.Coins[i].Address, r.Merge.Coins[j].Address) {
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found = true
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break checkmerge
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}
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}
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}
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}
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case *protobufs.TokenRequest_Mint:
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switch r := transition.Request.(type) {
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case *protobufs.TokenRequest_Mint:
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checkmint:
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for i := range t.Mint.Proofs {
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for j := range r.Mint.Proofs {
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if bytes.Equal(t.Mint.Proofs[i], r.Mint.Proofs[j]) {
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found = true
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break checkmint
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}
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}
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}
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}
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}
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}
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if !found {
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e.stagedTransactions.Requests = append(
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e.stagedTransactions.Requests,
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transition,
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)
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}
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e.stagedTransactionsMx.Unlock()
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return nil
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}
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func (e *DataClockConsensusEngine) handleClockFrameData(
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peerID []byte,
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address []byte,
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any *anypb.Any,
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isSync bool,
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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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if e.latestFrameReceived > frame.FrameNumber {
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return nil
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}
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addr, err := poseidon.HashBytes(
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frame.GetPublicKeySignatureEd448().PublicKey.KeyValue,
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)
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if err != nil {
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return errors.Wrap(err, "handle clock frame data")
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}
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for _, trie := range e.GetFrameProverTries() {
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prover := trie.FindNearest(addr.Bytes())
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if !bytes.Equal(prover.External.Key, addr.Bytes()) {
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e.logger.Info(
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"prover not in trie at frame, address may be in fork",
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zap.Binary("address", address),
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zap.Binary("filter", frame.Filter),
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zap.Uint64("frame_number", frame.FrameNumber),
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)
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return nil
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}
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}
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e.logger.Info(
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"got clock frame",
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zap.Binary("address", address),
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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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if err := e.frameProver.VerifyDataClockFrame(frame); err != nil {
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e.logger.Error("could not verify clock frame", zap.Error(err))
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return errors.Wrap(err, "handle clock frame data")
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}
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|
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if err := e.inclusionProver.VerifyFrame(frame); err != nil {
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e.logger.Error("could not verify clock frame", zap.Error(err))
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return errors.Wrap(err, "handle clock frame data")
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}
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e.logger.Info(
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"clock frame was valid",
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zap.Binary("address", address),
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zap.Binary("filter", frame.Filter),
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zap.Uint64("frame_number", frame.FrameNumber),
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)
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if e.latestFrameReceived < frame.FrameNumber {
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e.latestFrameReceived = frame.FrameNumber
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go func() {
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select {
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case e.frameChan <- frame:
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default:
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}
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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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if frame.FrameNumber > head.FrameNumber {
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e.dataTimeReel.Insert(frame, e.latestFrameReceived < frame.FrameNumber)
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}
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return nil
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}
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