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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 {
//! Return data from block index.
interfaces::BlockInfo MakeBlockInfo(const CBlockIndex* block_index, const CBlock* data = nullptr);
} // namespace kernel
//! This enum describes the various roles a specific Chainstate instance can take.
//! Other parts of the system sometimes need to vary in behavior depending on the
//! existence of a background validation chainstate, e.g. when building indexes.
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
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