syntax = "proto3";

package ethereum.beacon.rpc.v1;

import "proto/beacon/p2p/v1/messages.proto";
import "google/protobuf/empty.proto";
import "google/protobuf/timestamp.proto";

service BeaconService {
    rpc LatestBeaconBlock(google.protobuf.Empty) returns (stream ethereum.beacon.p2p.v1.BeaconBlock);
    rpc LatestCrystallizedState(google.protobuf.Empty) returns (stream ethereum.beacon.p2p.v1.CrystallizedState);
    rpc FetchShuffledValidatorIndices(ShuffleRequest) returns (ShuffleResponse);
    rpc LatestAttestation(google.protobuf.Empty) returns (stream ethereum.beacon.p2p.v1.AggregatedAttestation);
}

service AttesterService {
    rpc AttestHead(AttestRequest) returns (AttestResponse);
}

service ProposerService {
    rpc ProposeBlock(ProposeRequest) returns (ProposeResponse);
}

service ValidatorService {
    rpc ValidatorShardID(PublicKey) returns (ShardIDResponse);
    rpc ValidatorIndex(PublicKey) returns (IndexResponse);
    rpc ValidatorSlot(PublicKey) returns (SlotResponse);
}

message ShuffleRequest {
  bytes crystallized_state_hash = 1;
}

message ShuffleResponse {
    repeated uint64 shuffled_validator_indices = 1;
    repeated uint64 cutoff_indices = 2;
    repeated uint64 assigned_attestation_slots = 3;
}

message ProposeRequest {
  bytes parent_hash = 1;
  uint64 slot_number = 2;
  bytes randao_reveal = 3;
  bytes attestation_bitmask = 4;
  repeated uint32 attestation_aggregate_sig = 5;
  google.protobuf.Timestamp timestamp = 6;
}

message ProposeResponse {
    bytes block_hash = 1;
}

message AttestRequest {
    ethereum.beacon.p2p.v1.AggregatedAttestation attestation = 1;
}

message AttestResponse {
    bytes attestation_hash = 1;
}

message PublicKey {
    uint64 public_key = 1;
}

message ShardIDResponse {
    uint64 shard_id = 1;
}

message IndexResponse {
    uint32 index = 1;
}

message SlotResponse {
    uint64 slot = 1;
}