prysm-pulse/validator/rpc/beacon.go

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package rpc
import (
"context"
"time"
ptypes "github.com/gogo/protobuf/types"
"github.com/golang/protobuf/ptypes/empty"
middleware "github.com/grpc-ecosystem/go-grpc-middleware"
grpc_retry "github.com/grpc-ecosystem/go-grpc-middleware/retry"
grpc_opentracing "github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing"
grpc_prometheus "github.com/grpc-ecosystem/go-grpc-prometheus"
"github.com/pkg/errors"
ethpb "github.com/prysmaticlabs/ethereumapis/eth/v1alpha1"
healthpb "github.com/prysmaticlabs/prysm/proto/beacon/rpc/v1"
pb "github.com/prysmaticlabs/prysm/proto/validator/accounts/v2"
"github.com/prysmaticlabs/prysm/shared/grpcutils"
"github.com/prysmaticlabs/prysm/validator/client"
"google.golang.org/grpc"
)
// Initialize a client connect to a beacon node gRPC endpoint.
func (s *Server) registerBeaconClient() error {
streamInterceptor := grpc.WithStreamInterceptor(middleware.ChainStreamClient(
grpc_opentracing.StreamClientInterceptor(),
grpc_prometheus.StreamClientInterceptor,
grpc_retry.StreamClientInterceptor(),
))
dialOpts := client.ConstructDialOptions(
s.clientMaxCallRecvMsgSize,
s.clientWithCert,
s.clientGrpcRetries,
s.clientGrpcRetryDelay,
streamInterceptor,
)
if dialOpts == nil {
return errors.New("no dial options for beacon chain gRPC client")
}
s.ctx = grpcutils.AppendHeaders(s.ctx, s.clientGrpcHeaders)
conn, err := grpc.DialContext(s.ctx, s.beaconClientEndpoint, dialOpts...)
if err != nil {
return errors.Wrapf(err, "could not dial endpoint: %s", s.beaconClientEndpoint)
}
if s.clientWithCert != "" {
log.Info("Established secure gRPC connection")
}
s.beaconChainClient = ethpb.NewBeaconChainClient(conn)
s.beaconNodeClient = ethpb.NewNodeClient(conn)
s.beaconNodeHealthClient = healthpb.NewHealthClient(conn)
s.beaconNodeValidatorClient = ethpb.NewBeaconNodeValidatorClient(conn)
return nil
}
// GetBeaconStatus retrieves information about the beacon node gRPC connection
// and certain chain metadata, such as the genesis time, the chain head, and the
// deposit contract address.
func (s *Server) GetBeaconStatus(ctx context.Context, _ *empty.Empty) (*pb.BeaconStatusResponse, error) {
syncStatus, err := s.beaconNodeClient.GetSyncStatus(ctx, &ptypes.Empty{})
if err != nil {
return &pb.BeaconStatusResponse{
BeaconNodeEndpoint: s.nodeGatewayEndpoint,
Connected: false,
Syncing: false,
}, nil
}
genesis, err := s.beaconNodeClient.GetGenesis(ctx, &ptypes.Empty{})
if err != nil {
return nil, err
}
genesisTime := uint64(time.Unix(genesis.GenesisTime.Seconds, 0).Unix())
address := genesis.DepositContractAddress
chainHead, err := s.beaconChainClient.GetChainHead(ctx, &ptypes.Empty{})
if err != nil {
return nil, err
}
return &pb.BeaconStatusResponse{
BeaconNodeEndpoint: s.beaconClientEndpoint,
Connected: true,
Syncing: syncStatus.Syncing,
GenesisTime: genesisTime,
DepositContractAddress: address,
ChainHead: chainHead,
}, nil
}
// GetValidatorParticipation is a wrapper around the /eth/v1alpha1 endpoint of the same name.
func (s *Server) GetValidatorParticipation(
ctx context.Context, req *ethpb.GetValidatorParticipationRequest,
) (*ethpb.ValidatorParticipationResponse, error) {
return s.beaconChainClient.GetValidatorParticipation(ctx, req)
}
// GetValidatorPerformance is a wrapper around the /eth/v1alpha1 endpoint of the same name.
func (s *Server) GetValidatorPerformance(
ctx context.Context, req *ethpb.ValidatorPerformanceRequest,
) (*ethpb.ValidatorPerformanceResponse, error) {
return s.beaconChainClient.GetValidatorPerformance(ctx, req)
}
// GetValidatorBalances is a wrapper around the /eth/v1alpha1 endpoint of the same name.
func (s *Server) GetValidatorBalances(
ctx context.Context, req *ethpb.ListValidatorBalancesRequest,
) (*ethpb.ValidatorBalances, error) {
return s.beaconChainClient.ListValidatorBalances(ctx, req)
}
// GetValidators is a wrapper around the /eth/v1alpha1 endpoint of the same name.
func (s *Server) GetValidators(
ctx context.Context, req *ethpb.ListValidatorsRequest,
) (*ethpb.Validators, error) {
return s.beaconChainClient.ListValidators(ctx, req)
}
// GetValidatorQueue is a wrapper around the /eth/v1alpha1 endpoint of the same name.
func (s *Server) GetValidatorQueue(
ctx context.Context, _ *empty.Empty,
) (*ethpb.ValidatorQueue, error) {
return s.beaconChainClient.GetValidatorQueue(ctx, &ptypes.Empty{})
}
// GetPeers is a wrapper around the /eth/v1alpha1 endpoint of the same name.
func (s *Server) GetPeers(
ctx context.Context, _ *empty.Empty,
) (*ethpb.Peers, error) {
return s.beaconNodeClient.ListPeers(ctx, &ptypes.Empty{})
}