syntax = "proto3";

package ethereum.beacon.rpc.v1;

import "google/protobuf/empty.proto";
import "google/protobuf/timestamp.proto";
import "proto/beacon/p2p/v1/types.proto";
import "google/api/annotations.proto";
import "protoc-gen-swagger/options/annotations.proto";

option (grpc.gateway.protoc_gen_swagger.options.openapiv2_swagger) = {
	info: {
		title: "Prysm";
		version: "0.0.0";
		contact: {
			name: "Prysmatic Labs";
			url: "https://prysmaticlabs.com";
			email: "team@prysmaticlabs.com";
		};
		license: {
			name: "GNU General Public License v3.0";
			url: "https://github.com/prysmaticlabs/prysm/blob/master/LICENSE.md";
		};
        description: "JSON RPC services provided by Prysm."
	};
    external_docs: {
        url: "https://github.com/prysmaticlabs/prysm";
        description : "Prysm Github";
    };
    host: "api.prylabs.net",
	schemes: HTTPS;
	consumes: "application/json";
	consumes: "application/grpc-web-text";
    consumes: "application/grpc-web-json";
	produces: "application/json";
    produces: "application/grpc-web-text";
    consumes: "application/grpc-web-json";
};


service BeaconService {
  rpc WaitForChainStart(google.protobuf.Empty) returns (stream ChainStartResponse);
  // CanonicalHead can be called on demand to fetch the current, head block of a beacon node.
  rpc CanonicalHead(google.protobuf.Empty) returns (ethereum.beacon.p2p.v1.BeaconBlock);
  // LatestAttestation streams the latest aggregated attestation to connected validator clients.
  rpc LatestAttestation(google.protobuf.Empty) returns (stream ethereum.beacon.p2p.v1.Attestation);
  rpc PendingDeposits(google.protobuf.Empty) returns (PendingDepositsResponse);
  rpc Eth1Data(google.protobuf.Empty) returns (Eth1DataResponse);
  rpc ForkData(google.protobuf.Empty) returns (ethereum.beacon.p2p.v1.Fork);
  rpc BlockTree(google.protobuf.Empty) returns (BlockTreeResponse) {
    option (grpc.gateway.protoc_gen_swagger.options.openapiv2_operation) = {
      summary: "Fetches block tree since last finalized block.";
    };
    option (google.api.http) = {
      get: "/v1/beacon/blocktree";
    };
  }
  rpc BlockTreeBySlots(TreeBlockSlotRequest) returns (BlockTreeResponse);
}

service AttesterService {
  rpc AttestHead(ethereum.beacon.p2p.v1.Attestation) returns (AttestResponse);
  rpc AttestationDataAtSlot(AttestationDataRequest) returns (AttestationDataResponse);
}

service ProposerService {
  rpc ProposerIndex(ProposerIndexRequest) returns (ProposerIndexResponse);
  rpc PendingAttestations(PendingAttestationsRequest) returns (PendingAttestationsResponse);
  rpc ProposeBlock(ethereum.beacon.p2p.v1.BeaconBlock) returns (ProposeResponse);
  rpc ComputeStateRoot(ethereum.beacon.p2p.v1.BeaconBlock) returns (StateRootResponse);
}

service ValidatorService {
  rpc WaitForActivation(ValidatorActivationRequest) returns (stream ValidatorActivationResponse);
  rpc ValidatorIndex(ValidatorIndexRequest) returns (ValidatorIndexResponse);
  rpc CommitteeAssignment(CommitteeAssignmentsRequest) returns (CommitteeAssignmentResponse);
  rpc ValidatorStatus(ValidatorIndexRequest) returns (ValidatorStatusResponse);
  rpc ValidatorPerformance(ValidatorPerformanceRequest) returns (ValidatorPerformanceResponse);
  rpc ExitedValidators(ExitedValidatorsRequest) returns (ExitedValidatorsResponse);
}

message ValidatorPerformanceRequest {
  uint64 slot = 1;
  bytes public_key = 2;
}

message ValidatorPerformanceResponse {
  uint64 balance = 1;
  uint64 total_validators = 2;
  uint64 total_active_validators = 3;
  float average_active_validator_balance = 4;
}

message ValidatorActivationRequest {
  repeated bytes public_keys = 1;
}

message ValidatorActivationResponse {
  repeated bytes activated_public_keys = 1 [deprecated = true];

  message Status {
    bytes public_key = 1;
    ValidatorStatusResponse status = 2;
  }
  repeated Status statuses = 2;
}

message ExitedValidatorsRequest {
  repeated bytes public_keys = 1;
}

message ExitedValidatorsResponse {
  repeated bytes public_keys = 1;
}

message AttestationDataRequest {
  uint64 shard = 1;
  uint64 slot = 2;
}

message AttestationDataResponse {
  bytes beacon_block_root_hash32 = 1;
  bytes epoch_boundary_root_hash32 = 2;
  uint64 justified_epoch = 3;
  bytes justified_block_root_hash32 = 4;
  ethereum.beacon.p2p.v1.Crosslink latest_crosslink = 5;
  uint64 head_slot = 6;
}

message PendingAttestationsRequest {
  bool filter_ready_for_inclusion = 1;
  uint64 proposal_block_slot = 2;
}

message PendingAttestationsResponse {
  repeated ethereum.beacon.p2p.v1.Attestation pending_attestations = 1;
}

message ChainStartResponse {
  bool started = 1;
  uint64 genesis_time = 2;
}

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

message ProposeResponse {
  bytes block_root_hash32 = 1;
}

message ProposerIndexRequest {
  uint64 slot_number = 1;
}

message ProposerIndexResponse {
  uint64 index = 1;
}

message StateRootResponse {
  bytes state_root = 1;
}

message AttestResponse {
  bytes attestation_hash = 1;
}

enum ValidatorRole {
  UNKNOWN = 0;
  ATTESTER = 1;
  PROPOSER = 2;
}

message ValidatorIndexRequest {
  bytes public_key = 1;
}

message ValidatorIndexResponse {
  uint64 index = 1;
}

message CommitteeAssignmentsRequest {
  uint64 epoch_start = 1;
  repeated bytes public_keys = 2;
}

message PendingDepositsResponse {
  repeated ethereum.beacon.p2p.v1.Deposit pending_deposits = 1;
}

message CommitteeAssignmentResponse {
  repeated CommitteeAssignment assignment = 1;
  message CommitteeAssignment {
    repeated uint64 committee = 1;
    uint64 shard = 2;
    uint64 slot = 3;
    bool is_proposer = 4;
    bytes public_key = 5;
    ValidatorStatus status = 6;
  }
}

message ValidatorStatusResponse {
  ValidatorStatus status = 1;
  uint64 eth1_deposit_block_number = 2;
  uint64 deposit_inclusion_slot = 3;
  uint64 activation_epoch = 4;
  uint64 position_in_activation_queue = 5;
}

message Eth1DataResponse {
  ethereum.beacon.p2p.v1.Eth1Data eth1_data = 1;
}

message BlockTreeResponse {
  repeated TreeNode tree = 1;
  message TreeNode {
    ethereum.beacon.p2p.v1.BeaconBlock block = 1;
    bytes block_root = 2;
    uint64 participated_votes = 3;
    uint64 total_votes = 4;
  }
}

enum ValidatorStatus {
  UNKNOWN_STATUS = 0;
  PENDING_ACTIVE = 1;
  ACTIVE = 2;
  INITIATED_EXIT = 3;
  WITHDRAWABLE = 4;
  EXITED = 5;
  EXITED_SLASHED = 6;
}

message TreeBlockSlotRequest {
  uint64 slot_from = 1 ;
  uint64 slot_to = 2 ;
}