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validation: add chainman ref to CChainState

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Add an upwards reference to chainstate instances to the owning
ChainstateManager. This is necessary because there are a number
of `this_chainstate == chainman.ActiveChainstate()` checks that
will happen (as a result of assumeutxo) in functions that otherwise
don't have an easily-accessible reference to the chainstate's
ChainManager.
This commit is contained in:
James O'Beirne
2021-06-12 10:52:40 -04:00
parent d86e6625e8
commit 9f6bb53935
3 changed files with 18 additions and 6 deletions
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14
src/validation.cpp
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@@ -1209,10 +1209,15 @@ void CoinsViews::InitCache()
m_cacheview = std::make_unique<CCoinsViewCache>(&m_catcherview);
}
CChainState::CChainState(CTxMemPool* mempool, BlockManager& blockman, std::optional<uint256> from_snapshot_blockhash)
CChainState::CChainState(
CTxMemPool* mempool,
BlockManager& blockman,
ChainstateManager& chainman,
std::optional<uint256> from_snapshot_blockhash)
: m_mempool(mempool),
m_params(::Params()),
m_blockman(blockman),
m_chainman(chainman),
m_from_snapshot_blockhash(from_snapshot_blockhash) {}
void CChainState::InitCoinsDB(
@@ -4699,7 +4704,7 @@ CChainState& ChainstateManager::InitializeChainstate(
if (to_modify) {
throw std::logic_error("should not be overwriting a chainstate");
}
to_modify.reset(new CChainState(mempool, m_blockman, snapshot_blockhash));
to_modify.reset(new CChainState(mempool, m_blockman, *this, snapshot_blockhash));
// Snapshot chainstates and initial IBD chaintates always become active.
if (is_snapshot || (!is_snapshot && !m_active_chainstate)) {
@@ -4768,8 +4773,9 @@ bool ChainstateManager::ActivateSnapshot(
static_cast<size_t>(current_coinsdb_cache_size * IBD_CACHE_PERC));
}
auto snapshot_chainstate = WITH_LOCK(::cs_main, return std::make_unique<CChainState>(
/* mempool */ nullptr, m_blockman, base_blockhash));
auto snapshot_chainstate = WITH_LOCK(::cs_main,
return std::make_unique<CChainState>(
/* mempool */ nullptr, m_blockman, *this, base_blockhash));
{
LOCK(::cs_main);