chain.h

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// 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.

#ifndef BITCOIN_KERNEL_CHAIN_H
#define BITCOIN_KERNEL_CHAIN_H

#include<iostream>

class CBlock;
class CBlockIndex;
namespace interfaces {
struct BlockInfo;
} // namespace interfaces

namespace kernel {
interfaces::BlockInfo MakeBlockInfo(const CBlockIndex* block_index, const CBlock* data = nullptr);

} // namespace kernel

enum class ChainstateRole {
    // Single chainstate in use, "normal" IBD mode.
    NORMAL,

    // Doing IBD-style validation in the background. Implies use of an assumed-valid
    // chainstate.
    BACKGROUND,

    // Active assumed-valid chainstate. Implies use of a background IBD chainstate.
    ASSUMEDVALID,
};

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

#endif // BITCOIN_KERNEL_CHAIN_H