mirror of https://github.com/bitcoin/bitcoin.git
68 lines
2.1 KiB
C++
68 lines
2.1 KiB
C++
// Copyright (c) 2020-2022 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_INDEX_COINSTATSINDEX_H
|
|
#define BITCOIN_INDEX_COINSTATSINDEX_H
|
|
|
|
#include <crypto/muhash.h>
|
|
#include <index/base.h>
|
|
|
|
class CBlockIndex;
|
|
class CDBBatch;
|
|
namespace kernel {
|
|
struct CCoinsStats;
|
|
}
|
|
|
|
static constexpr bool DEFAULT_COINSTATSINDEX{false};
|
|
|
|
/**
|
|
* CoinStatsIndex maintains statistics on the UTXO set.
|
|
*/
|
|
class CoinStatsIndex final : public BaseIndex
|
|
{
|
|
private:
|
|
std::unique_ptr<BaseIndex::DB> m_db;
|
|
|
|
MuHash3072 m_muhash;
|
|
uint64_t m_transaction_output_count{0};
|
|
uint64_t m_bogo_size{0};
|
|
CAmount m_total_amount{0};
|
|
CAmount m_total_subsidy{0};
|
|
CAmount m_total_unspendable_amount{0};
|
|
CAmount m_total_prevout_spent_amount{0};
|
|
CAmount m_total_new_outputs_ex_coinbase_amount{0};
|
|
CAmount m_total_coinbase_amount{0};
|
|
CAmount m_total_unspendables_genesis_block{0};
|
|
CAmount m_total_unspendables_bip30{0};
|
|
CAmount m_total_unspendables_scripts{0};
|
|
CAmount m_total_unspendables_unclaimed_rewards{0};
|
|
|
|
[[nodiscard]] bool ReverseBlock(const CBlock& block, const CBlockIndex* pindex);
|
|
|
|
bool AllowPrune() const override { return true; }
|
|
|
|
protected:
|
|
bool CustomInit(const std::optional<interfaces::BlockKey>& block) override;
|
|
|
|
bool CustomCommit(CDBBatch& batch) override;
|
|
|
|
bool CustomAppend(const interfaces::BlockInfo& block) override;
|
|
|
|
bool CustomRewind(const interfaces::BlockKey& current_tip, const interfaces::BlockKey& new_tip) override;
|
|
|
|
BaseIndex::DB& GetDB() const override { return *m_db; }
|
|
|
|
public:
|
|
// Constructs the index, which becomes available to be queried.
|
|
explicit CoinStatsIndex(std::unique_ptr<interfaces::Chain> chain, size_t n_cache_size, bool f_memory = false, bool f_wipe = false);
|
|
|
|
// Look up stats for a specific block using CBlockIndex
|
|
std::optional<kernel::CCoinsStats> LookUpStats(const CBlockIndex& block_index) const;
|
|
};
|
|
|
|
/// The global UTXO set hash object.
|
|
extern std::unique_ptr<CoinStatsIndex> g_coin_stats_index;
|
|
|
|
#endif // BITCOIN_INDEX_COINSTATSINDEX_H
|