// Copyright 2017 Intel Corporation
//
// 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";

option java_multiple_files = true;
option java_package = "sawtooth.block_info.protobuf";
option go_package = "block_info_pb2";

message BlockInfoConfig {
    uint64 latest_block = 1;
    uint64 oldest_block = 2;
    uint64 target_count = 3;
    uint64 sync_tolerance = 4;
}

message BlockInfo {
    // Block number in the chain
    uint64 block_num = 1;
    // The header_signature of the previous block that was added to the chain.
    string previous_block_id = 2;
    // Public key for the component internal to the validator that
    // signed the BlockHeader
    string signer_public_key = 3;
    // The signature derived from signing the header
    string header_signature = 4;
    // Approximately when this block was committed, as a Unix UTC timestamp
    uint64 timestamp = 5;
}

message BlockInfoTxn {
    // The new block to add to state
    BlockInfo block = 1;
    // If this is set, the new target number of blocks to store in state
    uint64 target_count = 2;
    // If set, the new network time synchronization tolerance.
    uint64 sync_tolerance = 3;
}