syntax = "proto3";

package publicrpc.v1;

option go_package = "github.com/certusone/wormhole/bridge/pkg/proto/publicrpc/v1;publicrpcv1";

import "gossip/v1/gossip.proto";
import "google/api/annotations.proto";

enum EmitterChain {
  CHAIN_ID_UNKNOWN = 0;
  CHAIN_ID_SOLANA = 1;
  CHAIN_ID_ETHEREUM = 2;
  CHAIN_ID_TERRA = 3;
  CHAIN_ID_BSC = 4;
}

// MessageID is a VAA's globally unique identifier (see data availability design document).
message MessageID {
  // Emitter chain ID.
  EmitterChain emitter_chain = 1;
  // Hex-encoded emitter address.
  string emitter_address = 2;
  // Sequence number for (emitter_chain, emitter_address).
  int64 sequence = 3;
}

// Publicrpc service exposes endpoints to be consumed externally; GUIs, historical record keeping, etc.
service Publicrpc {
  // GetRawHeartbeats rpc endpoint returns a stream of the p2p heartbeat messages received.
  // The GetRawHeartbeats stream will include all messages received by the guardian,
  // without any filtering or verification of message content.
  rpc GetRawHeartbeats (GetRawHeartbeatsRequest) returns (stream gossip.v1.Heartbeat) {
    option (google.api.http) = {
      get: "/v1/heartbeats:stream_raw"
    };
  };

  rpc GetSignedVAA (GetSignedVAARequest) returns (GetSignedVAAResponse) {
    option (google.api.http) = {
      get: "/v1/signed_vaa/{message_id.emitter_chain}/{message_id.emitter_address}/{message_id.sequence}"
    };
  }
}

message GetRawHeartbeatsRequest {
}

message GetSignedVAARequest {
  MessageID message_id = 1;
}

message GetSignedVAAResponse {
  bytes vaa_bytes = 1;
}