mirror of https://github.com/bitcoin/bitcoin.git
40 lines
1.2 KiB
C++
40 lines
1.2 KiB
C++
// Copyright (c) 2022 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_KERNEL_CHAIN_H
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#define BITCOIN_KERNEL_CHAIN_H
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#include<iostream>
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class CBlock;
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class CBlockIndex;
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namespace interfaces {
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struct BlockInfo;
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} // namespace interfaces
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namespace kernel {
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//! Return data from block index.
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interfaces::BlockInfo MakeBlockInfo(const CBlockIndex* block_index, const CBlock* data = nullptr);
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} // namespace kernel
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//! This enum describes the various roles a specific Chainstate instance can take.
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//! Other parts of the system sometimes need to vary in behavior depending on the
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//! existence of a background validation chainstate, e.g. when building indexes.
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enum class ChainstateRole {
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// Single chainstate in use, "normal" IBD mode.
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NORMAL,
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// Doing IBD-style validation in the background. Implies use of an assumed-valid
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// chainstate.
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BACKGROUND,
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// Active assumed-valid chainstate. Implies use of a background IBD chainstate.
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ASSUMEDVALID,
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};
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std::ostream& operator<<(std::ostream& os, const ChainstateRole& role);
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#endif // BITCOIN_KERNEL_CHAIN_H
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