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>
 
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