chainstate.h

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// Copyright (c) 2021 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_NODE_CHAINSTATE_H
#define BITCOIN_NODE_CHAINSTATE_H
 
#include <cstdint>
#include <functional>
#include <optional>
 
struct bilingual_str;
class Config;
class ChainstateManager;
class CTxMemPool;
namespace Consensus {
struct Params;
} // namespace Consensus
 
namespace node {
enum class ChainstateLoadingError {
    ERROR_UPGRADING_BLOCK_DB,
    ERROR_LOADING_BLOCK_DB,
    ERROR_BAD_GENESIS_BLOCK,
    ERROR_PRUNED_NEEDS_REINDEX,
    ERROR_LOAD_GENESIS_BLOCK_FAILED,
    ERROR_CHAINSTATE_UPGRADE_FAILED,
    ERROR_REPLAYBLOCKS_FAILED,
    ERROR_LOADCHAINTIP_FAILED,
    ERROR_GENERIC_BLOCKDB_OPEN_FAILED,
    SHUTDOWN_PROBED,
};
 
std::optional<ChainstateLoadingError>
LoadChainstate(bool fReset, ChainstateManager &chainman, CTxMemPool *mempool,
               bool fPruneMode, const Consensus::Params &consensus_params,
               bool fReindexChainState, int64_t nBlockTreeDBCache,
               int64_t nCoinDBCache, int64_t nCoinCacheUsage,
               bool block_tree_db_in_memory, bool coins_db_in_memory,
               std::function<bool()> shutdown_requested = nullptr,
               std::function<void()> coins_error_cb = nullptr);
 
enum class ChainstateLoadVerifyError {
    ERROR_BLOCK_FROM_FUTURE,
    ERROR_CORRUPTED_BLOCK_DB,
    ERROR_GENERIC_FAILURE,
};
 
std::optional<ChainstateLoadVerifyError>
VerifyLoadedChainstate(ChainstateManager &chainman, bool fReset,
                       bool fReindexChainState, const Config &config,
                       unsigned int check_blocks, unsigned int check_level,
                       std::function<int64_t()> get_unix_time_seconds);
} // namespace node
 
#endif // BITCOIN_NODE_CHAINSTATE_H