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move-only(ish): don't expose CCoinsViewDBCursor

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No need for this to be a part of the header anymore.

Includes a small reference type style change.
This commit is contained in:
James O'Beirne 2021-06-18 14:14:15 -04:00
parent 615c1adfb0
commit 0f8a5a4dd5
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2 changed files with 22 additions and 22 deletions
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22
src/txdb.cpp
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@ -168,6 +168,28 @@ bool CBlockTreeDB::ReadLastBlockFile(int &nFile) {
return Read(DB_LAST_BLOCK, nFile);
}
/** Specialization of CCoinsViewCursor to iterate over a CCoinsViewDB */
class CCoinsViewDBCursor: public CCoinsViewCursor
{
public:
CCoinsViewDBCursor(CDBIterator* pcursorIn, const uint256&hashBlockIn):
CCoinsViewCursor(hashBlockIn), pcursor(pcursorIn) {}
~CCoinsViewDBCursor() {}
bool GetKey(COutPoint &key) const override;
bool GetValue(Coin &coin) const override;
unsigned int GetValueSize() const override;
bool Valid() const override;
void Next() override;
private:
std::unique_ptr<CDBIterator> pcursor;
std::pair<char, COutPoint> keyTmp;
friend class CCoinsViewDB;
};
std::unique_ptr<CCoinsViewCursor> CCoinsViewDB::Cursor() const
{
auto i = std::make_unique<CCoinsViewDBCursor>(

22
src/txdb.h
View File

@ -70,28 +70,6 @@ public:
void ResizeCache(size_t new_cache_size) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
};
/** Specialization of CCoinsViewCursor to iterate over a CCoinsViewDB */
class CCoinsViewDBCursor: public CCoinsViewCursor
{
public:
CCoinsViewDBCursor(CDBIterator* pcursorIn, const uint256 &hashBlockIn):
CCoinsViewCursor(hashBlockIn), pcursor(pcursorIn) {}
~CCoinsViewDBCursor() {}
bool GetKey(COutPoint &key) const override;
bool GetValue(Coin &coin) const override;
unsigned int GetValueSize() const override;
bool Valid() const override;
void Next() override;
private:
std::unique_ptr<CDBIterator> pcursor;
std::pair<char, COutPoint> keyTmp;
friend class CCoinsViewDB;
};
/** Access to the block database (blocks/index/) */
class CBlockTreeDB : public CDBWrapper
{