prysm-pulse/beacon-chain/rpc/attester_server.go
Raul Jordan b86388410d
Restructure RPC Server Into Individual Servers (#1393)
* begin reorder

* move into beacon server

* add proposer server

* fix

* add proposer server

* wrap up rpc reorder

* gazelle

* lint fix

* fix broken build
2019-01-28 16:40:40 +01:00

31 lines
1.0 KiB
Go

package rpc
import (
"context"
"fmt"
"github.com/gogo/protobuf/proto"
pb "github.com/prysmaticlabs/prysm/proto/beacon/rpc/v1"
"github.com/prysmaticlabs/prysm/shared/hashutil"
)
// AttesterServer defines a server implementation of the gRPC Attester service,
// providing RPC methods for validators acting as attesters to broadcast votes on beacon blocks.
type AttesterServer struct {
attestationService attestationService
}
// AttestHead is a function called by an attester in a sharding validator to vote
// on a block via an attestation object as defined in the Ethereum Serenity specification.
func (as *AttesterServer) AttestHead(ctx context.Context, req *pb.AttestRequest) (*pb.AttestResponse, error) {
enc, err := proto.Marshal(req.Attestation)
if err != nil {
return nil, fmt.Errorf("could not marshal attestation: %v", err)
}
h := hashutil.Hash(enc)
// Relays the attestation to chain service.
as.attestationService.IncomingAttestationFeed().Send(req.Attestation)
return &pb.AttestResponse{AttestationHash: h[:]}, nil
}