// Copyright (c) 2022 The Bitcoin Core developers

// Distributed under the MIT software license, see the accompanying

// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#include <chain.h>

#include <interfaces/chain.h>

#include <kernel/chain.h>

#include <sync.h>

#include <uint256.h>

class CBlock;

namespace kernel {

interfaces::BlockInfo MakeBlockInfo(const CBlockIndex* index, const CBlock* data)

{

    interfaces::BlockInfo info{index ? *index->phashBlock : uint256::ZERO};

    if (index) {

        info.prev_hash = index->pprev ? index->pprev->phashBlock : nullptr;

        info.height = index->nHeight;

        info.chain_time_max = index->GetBlockTimeMax();

        LOCK(::cs_main);

        info.file_number = index->nFile;

        info.data_pos = index->nDataPos;

    }

    info.data = data;

    return info;

}

} // namespace kernel

std::ostream& operator<<(std::ostream& os, const ChainstateRole& role) {

    switch(role) {

        case ChainstateRole::NORMAL: os << "normal"; break;

        case ChainstateRole::ASSUMEDVALID: os << "assumedvalid"; break;

        case ChainstateRole::BACKGROUND: os << "background"; break;

        default: os.setstate(std::ios_base::failbit);

    }

    return os;

}