1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
// Copyright (c) 2021-2022 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_NODE_CHAINSTATE_H
#define BITCOIN_NODE_CHAINSTATE_H
#include <util/translation.h>
#include <validation.h>
#include <cstdint>
#include <functional>
#include <tuple>
class CTxMemPool;
namespace node {
struct CacheSizes;
struct ChainstateLoadOptions {
CTxMemPool* mempool{nullptr};
bool block_tree_db_in_memory{false};
bool coins_db_in_memory{false};
bool reindex{false};
bool reindex_chainstate{false};
bool prune{false};
//! Setting require_full_verification to true will require all checks at
//! check_level (below) to succeed for loading to succeed. Setting it to
//! false will skip checks if cache is not big enough to run them, so may be
//! helpful for running with a small cache.
bool require_full_verification{true};
int64_t check_blocks{DEFAULT_CHECKBLOCKS};
int64_t check_level{DEFAULT_CHECKLEVEL};
std::function<void()> coins_error_cb;
};
//! Chainstate load status. Simple applications can just check for the success
//! case, and treat other cases as errors. More complex applications may want to
//! try reindexing in the generic failure case, and pass an interrupt callback
//! and exit cleanly in the interrupted case.
enum class ChainstateLoadStatus {
SUCCESS,
FAILURE, //!< Generic failure which reindexing may fix
FAILURE_FATAL, //!< Fatal error which should not prompt to reindex
FAILURE_INCOMPATIBLE_DB,
FAILURE_INSUFFICIENT_DBCACHE,
INTERRUPTED,
};
//! Chainstate load status code and optional error string.
using ChainstateLoadResult = std::tuple<ChainstateLoadStatus, bilingual_str>;
/** This sequence can have 4 types of outcomes:
*
* 1. Success
* 2. Shutdown requested
* - nothing failed but a shutdown was triggered in the middle of the
* sequence
* 3. Soft failure
* - a failure that might be recovered from with a reindex
* 4. Hard failure
* - a failure that definitively cannot be recovered from with a reindex
*
* LoadChainstate returns a (status code, error string) tuple.
*/
ChainstateLoadResult LoadChainstate(ChainstateManager& chainman, const CacheSizes& cache_sizes,
const ChainstateLoadOptions& options);
ChainstateLoadResult VerifyLoadedChainstate(ChainstateManager& chainman, const ChainstateLoadOptions& options);
} // namespace node
#endif // BITCOIN_NODE_CHAINSTATE_H
|
