Imports
- github.com/golang/protobuf/proto
- google.golang.org/grpc/grpclog
- github.com/grpc-ecosystem/grpc-gateway/runtime
- github.com/golang/protobuf/ptypes/empty
- github.com/prysmaticlabs/prysm/proto/eth/v1alpha1
- google.golang.org/genproto/googleapis/api/annotations
- google.golang.org/grpc/codes
- github.com/grpc-ecosystem/grpc-gateway/utilities
- google.golang.org/grpc
- google.golang.org/grpc/status