refactor: add LIFETIMEBOUND to blockfilter where needed

Ensure that the return values do not have a lifetime that exceeds
the lifetime of what it is bound to.
See https://github.com/bitcoin/bitcoin/blob/master/doc/developer-notes.md#lifetimebound
This commit is contained in:
stickies-v 2022-08-31 14:34:53 +01:00
parent 8343420803
commit 89576ccc57
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GPG key ID: 5CB1CE6E5E66A757
2 changed files with 9 additions and 7 deletions

View file

@ -11,6 +11,7 @@
#include <unordered_set>
#include <vector>
#include <attributes.h>
#include <primitives/block.h>
#include <serialize.h>
#include <uint256.h>
@ -65,8 +66,8 @@ public:
GCSFilter(const Params& params, const ElementSet& elements);
uint32_t GetN() const { return m_N; }
const Params& GetParams() const { return m_params; }
const std::vector<unsigned char>& GetEncoded() const { return m_encoded; }
const Params& GetParams() const LIFETIMEBOUND { return m_params; }
const std::vector<unsigned char>& GetEncoded() const LIFETIMEBOUND { return m_encoded; }
/**
* Checks if the element may be in the set. False positives are possible
@ -128,10 +129,10 @@ public:
BlockFilter(BlockFilterType filter_type, const CBlock& block, const CBlockUndo& block_undo);
BlockFilterType GetFilterType() const { return m_filter_type; }
const uint256& GetBlockHash() const { return m_block_hash; }
const GCSFilter& GetFilter() const { return m_filter; }
const uint256& GetBlockHash() const LIFETIMEBOUND { return m_block_hash; }
const GCSFilter& GetFilter() const LIFETIMEBOUND { return m_filter; }
const std::vector<unsigned char>& GetEncodedFilter() const
const std::vector<unsigned char>& GetEncodedFilter() const LIFETIMEBOUND
{
return m_filter.GetEncoded();
}

View file

@ -5,6 +5,7 @@
#ifndef BITCOIN_INDEX_BLOCKFILTERINDEX_H
#define BITCOIN_INDEX_BLOCKFILTERINDEX_H
#include <attributes.h>
#include <blockfilter.h>
#include <chain.h>
#include <flatfile.h>
@ -49,9 +50,9 @@ protected:
bool CustomRewind(const interfaces::BlockKey& current_tip, const interfaces::BlockKey& new_tip) override;
BaseIndex::DB& GetDB() const override { return *m_db; }
BaseIndex::DB& GetDB() const LIFETIMEBOUND override { return *m_db; }
const char* GetName() const override { return m_name.c_str(); }
const char* GetName() const LIFETIMEBOUND override { return m_name.c_str(); }
public:
/** Constructs the index, which becomes available to be queried. */