path: root/include/hotstuff/hotstuff.h

/**
 * Copyright 2018 VMware
 * Copyright 2018 Ted Yin
 *
 * 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.
 */

#ifndef _HOTSTUFF_CORE_H
#define _HOTSTUFF_CORE_H

#include <queue>
#include <unordered_map>
#include <unordered_set>

#include "salticidae/util.h"
#include "salticidae/network.h"
#include "salticidae/msg.h"
#include "hotstuff/util.h"
#include "hotstuff/consensus.h"
#include "hotstuff/liveness.h"

namespace hotstuff {

using salticidae::PeerNetwork;
using salticidae::ElapsedTime;
using salticidae::_1;
using salticidae::_2;

const double ent_waiting_timeout = 10;
const double double_inf = 1e10;

/** Network message format for HotStuff. */
struct MsgPropose {
    static const opcode_t opcode = 0x0;
    DataStream serialized;
    Proposal proposal;
    MsgPropose(const Proposal &);
    /** Only move the data to serialized, do not parse immediately. */
    MsgPropose(DataStream &&s): serialized(std::move(s)) {}
    /** Parse the serialized data to blks now, with `hsc->storage`. */
    void postponed_parse(HotStuffCore *hsc);
};

struct MsgVote {
    static const opcode_t opcode = 0x1;
    DataStream serialized;
    Vote vote;
    MsgVote(const Vote &);
    MsgVote(DataStream &&s): serialized(std::move(s)) {}