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-BEGIN VERIFY SCRIPT- ./contrib/devtools/copyright_header.py update ./ -END VERIFY SCRIPT- Commits of previous years: - 2021:f47dda2c58- 2020:fa0074e2d8- 2019:aaaaad6ac9
61 lines
2.1 KiB
C++
61 lines
2.1 KiB
C++
// Copyright (c) 2021-2022 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_NODE_CHAINSTATE_H
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#define BITCOIN_NODE_CHAINSTATE_H
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#include <util/translation.h>
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#include <validation.h>
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#include <cstdint>
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#include <functional>
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#include <tuple>
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class CTxMemPool;
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namespace node {
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struct CacheSizes;
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struct ChainstateLoadOptions {
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CTxMemPool* mempool{nullptr};
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bool block_tree_db_in_memory{false};
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bool coins_db_in_memory{false};
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bool reindex{false};
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bool reindex_chainstate{false};
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bool prune{false};
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int64_t check_blocks{DEFAULT_CHECKBLOCKS};
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int64_t check_level{DEFAULT_CHECKLEVEL};
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std::function<bool()> check_interrupt;
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std::function<void()> coins_error_cb;
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};
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//! Chainstate load status. Simple applications can just check for the success
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//! case, and treat other cases as errors. More complex applications may want to
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//! try reindexing in the generic failure case, and pass an interrupt callback
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//! and exit cleanly in the interrupted case.
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enum class ChainstateLoadStatus { SUCCESS, FAILURE, FAILURE_INCOMPATIBLE_DB, INTERRUPTED };
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//! Chainstate load status code and optional error string.
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using ChainstateLoadResult = std::tuple<ChainstateLoadStatus, bilingual_str>;
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/** This sequence can have 4 types of outcomes:
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*
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* 1. Success
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* 2. Shutdown requested
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* - nothing failed but a shutdown was triggered in the middle of the
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* sequence
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* 3. Soft failure
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* - a failure that might be recovered from with a reindex
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* 4. Hard failure
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* - a failure that definitively cannot be recovered from with a reindex
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*
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* LoadChainstate returns a (status code, error string) tuple.
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*/
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ChainstateLoadResult LoadChainstate(ChainstateManager& chainman, const CacheSizes& cache_sizes,
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const ChainstateLoadOptions& options);
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ChainstateLoadResult VerifyLoadedChainstate(ChainstateManager& chainman, const ChainstateLoadOptions& options);
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} // namespace node
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#endif // BITCOIN_NODE_CHAINSTATE_H
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