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Merge #19733: Move comment about BaseIndex::DB from TxIndex::DB

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8ed2f1ed78 Remove unused includes (Marcin Jachymiak)
cf095a53fc Move comment about BaseIndex::DB from TxIndex::DB (Marcin Jachymiak)

Pull request description:

  Moves a comment about the `BaseIndex::DB` from the `TxIndex::DB` into the correct place. Originally part of https://github.com/bitcoin/bitcoin/pull/14053.

ACKs for top commit:
  fanquake:
    ACK 8ed2f1ed78

Tree-SHA512: cb4e2b916c7ab996961cc2e1d910bc4b8a1700eb32b70fc1657ca720117a7a84f7337fe5e4fb30e047aa92c31eaa976eaaa5cb8f861877f2ff6f4a59bb94f4e9
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fanquake 2020-08-21 12:08:38 +08:00
commit 0d9e14a646
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3 changed files with 11 additions and 12 deletions
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7
src/index/base.h
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@ -27,6 +27,13 @@ struct IndexSummary {
class BaseIndex : public CValidationInterface class BaseIndex : public CValidationInterface
{ {
protected: protected:
/**
* The database stores a block locator of the chain the database is synced to
* so that the index can efficiently determine the point it last stopped at.
* A locator is used instead of a simple hash of the chain tip because blocks
* and block index entries may not be flushed to disk until after this database
* is updated.
*/
class DB : public CDBWrapper class DB : public CDBWrapper
{ {
public: public:

4
src/index/disktxpos.h
View file

@ -5,10 +5,8 @@
#ifndef BITCOIN_INDEX_DISKTXPOS_H #ifndef BITCOIN_INDEX_DISKTXPOS_H
#define BITCOIN_INDEX_DISKTXPOS_H #define BITCOIN_INDEX_DISKTXPOS_H
#include <chain.h>
#include <flatfile.h> #include <flatfile.h>
#include <primitives/block.h> #include <serialize.h>
#include <primitives/transaction.h>
struct CDiskTxPos : public FlatFilePos struct CDiskTxPos : public FlatFilePos
{ {

12
src/index/txindex.cpp
View file

@ -16,15 +16,9 @@ constexpr char DB_TXINDEX_BLOCK = 'T';
std::unique_ptr<TxIndex> g_txindex; std::unique_ptr<TxIndex> g_txindex;
/**
* Access to the txindex database (indexes/txindex/)
* /** Access to the txindex database (indexes/txindex/) */
* The database stores a block locator of the chain the database is synced to
* so that the TxIndex can efficiently determine the point it last stopped at.
* A locator is used instead of a simple hash of the chain tip because blocks
* and block index entries may not be flushed to disk until after this database
* is updated.
*/
class TxIndex::DB : public BaseIndex::DB class TxIndex::DB : public BaseIndex::DB
{ {
public: public: