// Copyright (c) 2020 Temporal Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

syntax = "proto3";

package temporal.server.api.history.v1;

option go_package = "go.temporal.io/server/api/history/v1;history";

import "temporal/api/history/v1/message.proto";

message TransientWorkflowTaskInfo {
    temporal.api.history.v1.HistoryEvent scheduled_event = 1;
    temporal.api.history.v1.HistoryEvent started_event = 2;
}

// VersionHistoryItem contains signal eventId and the corresponding version.
message VersionHistoryItem {
    int64 event_id = 1;
    int64 version = 2;
}

// VersionHistory contains the version history of a branch.
message VersionHistory {
    bytes branch_token = 1;
    repeated VersionHistoryItem items = 2;
}

// VersionHistories contains all version histories from all branches.
message VersionHistories {
    int32 current_version_history_index = 1;
    repeated VersionHistory histories = 2;
}
