// Copyright 2018-2022 Cargill Incorporated
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

syntax = "proto3";

message Proposal {
  // The proposal’s identifier, which is a hash of `previous_id`,
  // `proposal_height`, and `summary`
  bytes id = 1;
  // The identifier of the proposal’s immediate predecessor
  bytes previous_id = 2;
  // The number of proposals preceding this one (used for ordering
  // purposes)
  uint64 proposal_height = 3;
  // A summary of the data this proposal represents
  bytes summary = 4;
  // Opaque data that is provided by the consensus algorithm
  bytes consensus_data = 5;
}

message ConsensusMessage {
  // An opaque message that is interpreted by the consensus algorithm
  bytes message = 1;
  // ID of the service that created this message
  bytes origin_id = 2;
}