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indexes, refactor: Remove CBlockIndex* uses in coinstatsindex LookUpOne function

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This commit does not change behavior in any way.
This commit is contained in:
Ryan Ofsky 2022-01-17 17:32:19 -05:00
parent 33b4d48cfc
commit addb4f2af1
2 changed files with 12 additions and 6 deletions
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12
src/index/coinstatsindex.cpp
View file

@ -299,23 +299,23 @@ bool CoinStatsIndex::Rewind(const CBlockIndex* current_tip, const CBlockIndex* n
return BaseIndex::Rewind(current_tip, new_tip);
}
static bool LookUpOne(const CDBWrapper& db, const CBlockIndex* block_index, DBVal& result)
static bool LookUpOne(const CDBWrapper& db, const interfaces::BlockKey& block, DBVal& result)
{
// First check if the result is stored under the height index and the value
// there matches the block hash. This should be the case if the block is on
// the active chain.
std::pair<uint256, DBVal> read_out;
if (!db.Read(DBHeightKey(block_index->nHeight), read_out)) {
if (!db.Read(DBHeightKey(block.height), read_out)) {
return false;
}
if (read_out.first == block_index->GetBlockHash()) {
if (read_out.first == block.hash) {
result = std::move(read_out.second);
return true;
}
// If value at the height index corresponds to an different block, the
// result will be stored in the hash index.
return db.Read(DBHashKey(block_index->GetBlockHash()), result);
return db.Read(DBHashKey(block.hash), result);
}
std::optional<CCoinsStats> CoinStatsIndex::LookUpStats(const CBlockIndex* block_index) const
@ -324,7 +324,7 @@ std::optional<CCoinsStats> CoinStatsIndex::LookUpStats(const CBlockIndex* block_
stats.index_used = true;
DBVal entry;
if (!LookUpOne(*m_db, block_index, entry)) {
if (!LookUpOne(*m_db, {block_index->GetBlockHash(), block_index->nHeight}, entry)) {
return std::nullopt;
}
@ -363,7 +363,7 @@ bool CoinStatsIndex::Init()
if (pindex) {
DBVal entry;
if (!LookUpOne(*m_db, pindex, entry)) {
if (!LookUpOne(*m_db, {pindex->GetBlockHash(), pindex->nHeight}, entry)) {
return error("%s: Cannot read current %s state; index may be corrupted",
__func__, GetName());
}

6
src/interfaces/chain.h
View file

@ -38,6 +38,12 @@ namespace interfaces {
class Handler;
class Wallet;
//! Hash/height pair to help track and identify blocks.
struct BlockKey {
uint256 hash;
int height = -1;
};
//! Helper for findBlock to selectively return pieces of block data. If block is
//! found, data will be returned by setting specified output variables. If block
//! is not found, output variables will keep their previous values.