prysm-pulse/beacon-chain/rpc/service.go
Raul Jordan b8644bdeb4
Minor Log Improvement to gRPC Server (#7722)
* small fix

* fix e2e

Co-authored-by: Nishant Das <nishdas93@gmail.com>
Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2020-11-06 19:18:56 +00:00

381 lines
14 KiB
Go

// Package rpc defines a gRPC server implementing the eth2 API as needed
// by validator clients and consumers of chain data.
package rpc
import (
"context"
"fmt"
"net"
"sync"
middleware "github.com/grpc-ecosystem/go-grpc-middleware"
recovery "github.com/grpc-ecosystem/go-grpc-middleware/recovery"
grpc_opentracing "github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing"
grpc_prometheus "github.com/grpc-ecosystem/go-grpc-prometheus"
ethpbv1 "github.com/prysmaticlabs/ethereumapis/eth/v1"
ethpb "github.com/prysmaticlabs/ethereumapis/eth/v1alpha1"
"github.com/prysmaticlabs/prysm/beacon-chain/blockchain"
"github.com/prysmaticlabs/prysm/beacon-chain/cache"
"github.com/prysmaticlabs/prysm/beacon-chain/cache/depositcache"
blockfeed "github.com/prysmaticlabs/prysm/beacon-chain/core/feed/block"
opfeed "github.com/prysmaticlabs/prysm/beacon-chain/core/feed/operation"
statefeed "github.com/prysmaticlabs/prysm/beacon-chain/core/feed/state"
"github.com/prysmaticlabs/prysm/beacon-chain/db"
"github.com/prysmaticlabs/prysm/beacon-chain/operations/attestations"
"github.com/prysmaticlabs/prysm/beacon-chain/operations/slashings"
"github.com/prysmaticlabs/prysm/beacon-chain/operations/voluntaryexits"
"github.com/prysmaticlabs/prysm/beacon-chain/p2p"
"github.com/prysmaticlabs/prysm/beacon-chain/powchain"
"github.com/prysmaticlabs/prysm/beacon-chain/rpc/beacon"
"github.com/prysmaticlabs/prysm/beacon-chain/rpc/beaconv1"
"github.com/prysmaticlabs/prysm/beacon-chain/rpc/debug"
"github.com/prysmaticlabs/prysm/beacon-chain/rpc/node"
"github.com/prysmaticlabs/prysm/beacon-chain/rpc/validator"
"github.com/prysmaticlabs/prysm/beacon-chain/state/stategen"
chainSync "github.com/prysmaticlabs/prysm/beacon-chain/sync"
pbp2p "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
pbrpc "github.com/prysmaticlabs/prysm/proto/beacon/rpc/v1"
"github.com/prysmaticlabs/prysm/shared/featureconfig"
"github.com/prysmaticlabs/prysm/shared/params"
"github.com/prysmaticlabs/prysm/shared/traceutil"
"github.com/sirupsen/logrus"
"go.opencensus.io/plugin/ocgrpc"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials"
"google.golang.org/grpc/peer"
"google.golang.org/grpc/reflection"
)
const attestationBufferSize = 100
var log logrus.FieldLogger
func init() {
log = logrus.WithField("prefix", "rpc")
}
// Service defining an RPC server for a beacon node.
type Service struct {
ctx context.Context
cancel context.CancelFunc
beaconDB db.HeadAccessDatabase
chainInfoFetcher blockchain.ChainInfoFetcher
headFetcher blockchain.HeadFetcher
forkFetcher blockchain.ForkFetcher
finalizationFetcher blockchain.FinalizationFetcher
genesisTimeFetcher blockchain.TimeFetcher
genesisFetcher blockchain.GenesisFetcher
attestationReceiver blockchain.AttestationReceiver
blockReceiver blockchain.BlockReceiver
powChainService powchain.Chain
chainStartFetcher powchain.ChainStartFetcher
mockEth1Votes bool
enableDebugRPCEndpoints bool
attestationsPool attestations.Pool
exitPool *voluntaryexits.Pool
slashingsPool *slashings.Pool
syncService chainSync.Checker
host string
port string
listener net.Listener
withCert string
withKey string
grpcServer *grpc.Server
canonicalStateChan chan *pbp2p.BeaconState
incomingAttestation chan *ethpb.Attestation
credentialError error
p2p p2p.Broadcaster
peersFetcher p2p.PeersProvider
peerManager p2p.PeerManager
depositFetcher depositcache.DepositFetcher
pendingDepositFetcher depositcache.PendingDepositsFetcher
stateNotifier statefeed.Notifier
blockNotifier blockfeed.Notifier
operationNotifier opfeed.Notifier
stateGen *stategen.State
connectedRPCClients map[net.Addr]bool
clientConnectionLock sync.Mutex
}
// Config options for the beacon node RPC server.
type Config struct {
Host string
Port string
CertFlag string
KeyFlag string
BeaconDB db.HeadAccessDatabase
ChainInfoFetcher blockchain.ChainInfoFetcher
HeadFetcher blockchain.HeadFetcher
ForkFetcher blockchain.ForkFetcher
FinalizationFetcher blockchain.FinalizationFetcher
AttestationReceiver blockchain.AttestationReceiver
BlockReceiver blockchain.BlockReceiver
POWChainService powchain.Chain
ChainStartFetcher powchain.ChainStartFetcher
GenesisTimeFetcher blockchain.TimeFetcher
GenesisFetcher blockchain.GenesisFetcher
EnableDebugRPCEndpoints bool
MockEth1Votes bool
AttestationsPool attestations.Pool
ExitPool *voluntaryexits.Pool
SlashingsPool *slashings.Pool
SyncService chainSync.Checker
Broadcaster p2p.Broadcaster
PeersFetcher p2p.PeersProvider
PeerManager p2p.PeerManager
DepositFetcher depositcache.DepositFetcher
PendingDepositFetcher depositcache.PendingDepositsFetcher
StateNotifier statefeed.Notifier
BlockNotifier blockfeed.Notifier
OperationNotifier opfeed.Notifier
StateGen *stategen.State
}
// NewService instantiates a new RPC service instance that will
// be registered into a running beacon node.
func NewService(ctx context.Context, cfg *Config) *Service {
ctx, cancel := context.WithCancel(ctx)
return &Service{
ctx: ctx,
cancel: cancel,
beaconDB: cfg.BeaconDB,
chainInfoFetcher: cfg.ChainInfoFetcher,
headFetcher: cfg.HeadFetcher,
forkFetcher: cfg.ForkFetcher,
finalizationFetcher: cfg.FinalizationFetcher,
genesisTimeFetcher: cfg.GenesisTimeFetcher,
genesisFetcher: cfg.GenesisFetcher,
attestationReceiver: cfg.AttestationReceiver,
blockReceiver: cfg.BlockReceiver,
p2p: cfg.Broadcaster,
peersFetcher: cfg.PeersFetcher,
peerManager: cfg.PeerManager,
powChainService: cfg.POWChainService,
chainStartFetcher: cfg.ChainStartFetcher,
mockEth1Votes: cfg.MockEth1Votes,
attestationsPool: cfg.AttestationsPool,
exitPool: cfg.ExitPool,
slashingsPool: cfg.SlashingsPool,
syncService: cfg.SyncService,
host: cfg.Host,
port: cfg.Port,
withCert: cfg.CertFlag,
withKey: cfg.KeyFlag,
depositFetcher: cfg.DepositFetcher,
pendingDepositFetcher: cfg.PendingDepositFetcher,
canonicalStateChan: make(chan *pbp2p.BeaconState, params.BeaconConfig().DefaultBufferSize),
incomingAttestation: make(chan *ethpb.Attestation, params.BeaconConfig().DefaultBufferSize),
stateNotifier: cfg.StateNotifier,
blockNotifier: cfg.BlockNotifier,
operationNotifier: cfg.OperationNotifier,
stateGen: cfg.StateGen,
enableDebugRPCEndpoints: cfg.EnableDebugRPCEndpoints,
connectedRPCClients: make(map[net.Addr]bool),
}
}
// Start the gRPC server.
func (s *Service) Start() {
address := fmt.Sprintf("%s:%s", s.host, s.port)
lis, err := net.Listen("tcp", address)
if err != nil {
log.Errorf("Could not listen to port in Start() %s: %v", address, err)
}
s.listener = lis
log.WithField("address", address).Info("gRPC server listening on port")
opts := []grpc.ServerOption{
grpc.StatsHandler(&ocgrpc.ServerHandler{}),
grpc.StreamInterceptor(middleware.ChainStreamServer(
recovery.StreamServerInterceptor(
recovery.WithRecoveryHandlerContext(traceutil.RecoveryHandlerFunc),
),
grpc_prometheus.StreamServerInterceptor,
grpc_opentracing.StreamServerInterceptor(),
s.validatorStreamConnectionInterceptor,
)),
grpc.UnaryInterceptor(middleware.ChainUnaryServer(
recovery.UnaryServerInterceptor(
recovery.WithRecoveryHandlerContext(traceutil.RecoveryHandlerFunc),
),
grpc_prometheus.UnaryServerInterceptor,
grpc_opentracing.UnaryServerInterceptor(),
s.validatorUnaryConnectionInterceptor,
)),
}
grpc_prometheus.EnableHandlingTimeHistogram()
if s.withCert != "" && s.withKey != "" {
creds, err := credentials.NewServerTLSFromFile(s.withCert, s.withKey)
if err != nil {
log.WithError(err).Fatal("Could not load TLS keys")
}
opts = append(opts, grpc.Creds(creds))
} else {
log.Warn("You are using an insecure gRPC server. If you are running your beacon node and " +
"validator on the same machines, you can ignore this message. If you want to know " +
"how to enable secure connections, see: https://docs.prylabs.network/docs/prysm-usage/secure-grpc")
}
s.grpcServer = grpc.NewServer(opts...)
validatorServer := &validator.Server{
Ctx: s.ctx,
BeaconDB: s.beaconDB,
AttestationCache: cache.NewAttestationCache(),
AttPool: s.attestationsPool,
ExitPool: s.exitPool,
HeadFetcher: s.headFetcher,
ForkFetcher: s.forkFetcher,
FinalizationFetcher: s.finalizationFetcher,
GenesisTimeFetcher: s.genesisTimeFetcher,
CanonicalStateChan: s.canonicalStateChan,
BlockFetcher: s.powChainService,
DepositFetcher: s.depositFetcher,
ChainStartFetcher: s.chainStartFetcher,
Eth1InfoFetcher: s.powChainService,
SyncChecker: s.syncService,
StateNotifier: s.stateNotifier,
BlockNotifier: s.blockNotifier,
OperationNotifier: s.operationNotifier,
P2P: s.p2p,
BlockReceiver: s.blockReceiver,
MockEth1Votes: s.mockEth1Votes,
Eth1BlockFetcher: s.powChainService,
PendingDepositsFetcher: s.pendingDepositFetcher,
SlashingsPool: s.slashingsPool,
StateGen: s.stateGen,
}
nodeServer := &node.Server{
BeaconDB: s.beaconDB,
Server: s.grpcServer,
SyncChecker: s.syncService,
GenesisTimeFetcher: s.genesisTimeFetcher,
PeersFetcher: s.peersFetcher,
PeerManager: s.peerManager,
GenesisFetcher: s.genesisFetcher,
}
beaconChainServer := &beacon.Server{
Ctx: s.ctx,
BeaconDB: s.beaconDB,
AttestationsPool: s.attestationsPool,
SlashingsPool: s.slashingsPool,
HeadFetcher: s.headFetcher,
FinalizationFetcher: s.finalizationFetcher,
ChainStartFetcher: s.chainStartFetcher,
DepositFetcher: s.depositFetcher,
BlockFetcher: s.powChainService,
CanonicalStateChan: s.canonicalStateChan,
GenesisTimeFetcher: s.genesisTimeFetcher,
StateNotifier: s.stateNotifier,
BlockNotifier: s.blockNotifier,
AttestationNotifier: s.operationNotifier,
Broadcaster: s.p2p,
StateGen: s.stateGen,
SyncChecker: s.syncService,
ReceivedAttestationsBuffer: make(chan *ethpb.Attestation, attestationBufferSize),
CollectedAttestationsBuffer: make(chan []*ethpb.Attestation, attestationBufferSize),
}
beaconChainServerV1 := &beaconv1.Server{
Ctx: s.ctx,
BeaconDB: s.beaconDB,
AttestationsPool: s.attestationsPool,
SlashingsPool: s.slashingsPool,
ChainInfoFetcher: s.chainInfoFetcher,
ChainStartFetcher: s.chainStartFetcher,
DepositFetcher: s.depositFetcher,
BlockFetcher: s.powChainService,
CanonicalStateChan: s.canonicalStateChan,
GenesisTimeFetcher: s.genesisTimeFetcher,
StateNotifier: s.stateNotifier,
BlockNotifier: s.blockNotifier,
AttestationNotifier: s.operationNotifier,
Broadcaster: s.p2p,
StateGen: s.stateGen,
SyncChecker: s.syncService,
}
ethpb.RegisterNodeServer(s.grpcServer, nodeServer)
ethpb.RegisterBeaconChainServer(s.grpcServer, beaconChainServer)
ethpbv1.RegisterBeaconChainServer(s.grpcServer, beaconChainServerV1)
if s.enableDebugRPCEndpoints {
log.Info("Enabled debug gRPC endpoints")
debugServer := &debug.Server{
GenesisTimeFetcher: s.genesisTimeFetcher,
BeaconDB: s.beaconDB,
StateGen: s.stateGen,
HeadFetcher: s.headFetcher,
PeerManager: s.peerManager,
PeersFetcher: s.peersFetcher,
}
pbrpc.RegisterDebugServer(s.grpcServer, debugServer)
}
ethpb.RegisterBeaconNodeValidatorServer(s.grpcServer, validatorServer)
// Register reflection service on gRPC server.
reflection.Register(s.grpcServer)
go func() {
if s.listener != nil {
if err := s.grpcServer.Serve(s.listener); err != nil {
log.Errorf("Could not serve gRPC: %v", err)
}
}
}()
}
// Stop the service.
func (s *Service) Stop() error {
s.cancel()
if s.listener != nil {
s.grpcServer.GracefulStop()
log.Debug("Initiated graceful stop of gRPC server")
}
return nil
}
// Status returns nil or credentialError
func (s *Service) Status() error {
if s.credentialError != nil {
return s.credentialError
}
return nil
}
// Stream interceptor for new validator client connections to the beacon node.
func (s *Service) validatorStreamConnectionInterceptor(
srv interface{},
ss grpc.ServerStream,
_ *grpc.StreamServerInfo,
handler grpc.StreamHandler,
) error {
s.logNewClientConnection(ss.Context())
return handler(srv, ss)
}
// Unary interceptor for new validator client connections to the beacon node.
func (s *Service) validatorUnaryConnectionInterceptor(
ctx context.Context,
req interface{},
_ *grpc.UnaryServerInfo,
handler grpc.UnaryHandler,
) (interface{}, error) {
s.logNewClientConnection(ctx)
return handler(ctx, req)
}
func (s *Service) logNewClientConnection(ctx context.Context) {
if featureconfig.Get().DisableGRPCConnectionLogs {
return
}
if clientInfo, ok := peer.FromContext(ctx); ok {
// Check if we have not yet observed this grpc client connection
// in the running beacon node.
s.clientConnectionLock.Lock()
defer s.clientConnectionLock.Unlock()
if !s.connectedRPCClients[clientInfo.Addr] {
log.WithFields(logrus.Fields{
"addr": clientInfo.Addr.String(),
}).Infof("New gRPC client connected to beacon node")
s.connectedRPCClients[clientInfo.Addr] = true
}
}
}