path: root/src/consensus.cpp

#include <cassert>
#include <stack>

#include "hotstuff/util.h"
#include "hotstuff/consensus.h"

#define LOG_INFO HOTSTUFF_LOG_INFO
#define LOG_DEBUG HOTSTUFF_LOG_DEBUG
#define LOG_WARN HOTSTUFF_LOG_WARN
#define LOG_PROTO HOTSTUFF_LOG_PROTO

namespace hotstuff {

/* The core logic of HotStuff, is fairly simple :). */
/*** begin HotStuff protocol logic ***/
HotStuffCore::HotStuffCore(ReplicaID id,
                            privkey_bt &&priv_key):
        b0(new Block(true, 1)),
        bqc(b0),
        bexec(b0),
        vheight(0),
        priv_key(std::move(priv_key)),
        tails{bqc},
        neg_vote(false),
        id(id),
        storage(new EntityStorage()) {
    storage->add_blk(b0);
    b0->qc_ref = b0;
}

void HotStuffCore::sanity_check_delivered(const block_t &blk) {
    if (!blk->delivered)
        throw std::runtime_error("block not delivered");
}

block_t HotStuffCore::get_delivered_blk(const uint256_t &blk_hash) {
    block_t blk = storage->find_blk(blk_hash);
    if (blk == nullptr || !blk->delivered)
        throw std::runtime_error("block not delivered");
    return std::move(blk);
}

bool HotStuffCore::on_deliver_blk(const block_t &blk) {