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SideChain: use a separate lock for m_seenBlocks

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This commit is contained in:
SChernykh 2021-10-31 10:26:13 +01:00
parent b45540ca08
commit f59e9171e8
2 changed files with 11 additions and 7 deletions
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14
src/side_chain.cpp
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@ -77,6 +77,7 @@ SideChain::SideChain(p2pool* pool, NetworkType type, const char* pool_name)
}
uv_mutex_init_checked(&m_sidechainLock);
uv_mutex_init_checked(&m_seenBlocksLock);
m_difficultyData.reserve(m_chainWindowSize);
@ -147,6 +148,7 @@ SideChain::SideChain(p2pool* pool, NetworkType type, const char* pool_name)
SideChain::~SideChain()
{
uv_mutex_destroy(&m_sidechainLock);
uv_mutex_destroy(&m_seenBlocksLock);
for (auto& it : m_blocksById) {
delete it.second;
}
@ -343,21 +345,21 @@ bool SideChain::get_shares(PoolBlock* tip, std::vector<MinerShare>& shares) cons
bool SideChain::block_seen(const PoolBlock& block)
{
MutexLock lock(m_sidechainLock);
// Check if it's some old block
if (m_chainTip && m_chainTip->m_sidechainHeight > block.m_sidechainHeight + m_chainWindowSize * 2 &&
block.m_cumulativeDifficulty < m_chainTip->m_cumulativeDifficulty) {
const PoolBlock* tip = m_chainTip;
if (tip && tip->m_sidechainHeight > block.m_sidechainHeight + m_chainWindowSize * 2 &&
block.m_cumulativeDifficulty < tip->m_cumulativeDifficulty) {
return true;
}
// Check if it was received before
MutexLock lock(m_seenBlocksLock);
return !m_seenBlocks.insert(block.m_sidechainId).second;
}
void SideChain::unsee_block(const PoolBlock& block)
{
MutexLock lock(m_sidechainLock);
MutexLock lock(m_seenBlocksLock);
m_seenBlocks.erase(block.m_sidechainId);
}
@ -1541,7 +1543,7 @@ void SideChain::prune_old_blocks()
auto it2 = m_blocksById.find(block->m_sidechainId);
if (it2 != m_blocksById.end()) {
m_blocksById.erase(it2);
m_seenBlocks.erase(block->m_sidechainId);
unsee_block(*block);
delete block;
++num_blocks_pruned;
}

4
src/side_chain.h
View file

@ -97,9 +97,11 @@ private:
PoolBlock* m_chainTip;
std::map<uint64_t, std::vector<PoolBlock*>> m_blocksByHeight;
unordered_map<hash, PoolBlock*> m_blocksById;
unordered_set<hash> m_seenBlocks;
unordered_map<hash, time_t> m_seenWallets;
uv_mutex_t m_seenBlocksLock;
unordered_set<hash> m_seenBlocks;
std::vector<DifficultyData> m_difficultyData;
std::string m_poolName;