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blockchain: lock access to m_blocks_hash_of_hashes

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it is accessed both when adding and when prevalidating a set
of new hashes from a peer
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moneromooo-monero 2021-01-02 22:18:52 +00:00
parent 2107337999
commit 1128146c49
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src/cryptonote_core/blockchain.cpp
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@ -4749,6 +4749,8 @@ uint64_t Blockchain::prevalidate_block_hashes(uint64_t height, const std::vector
CHECK_AND_ASSERT_MES(weights.empty() || weights.size() == hashes.size(), 0, "Unexpected weights size");
CRITICAL_REGION_LOCAL(m_blockchain_lock);
// easy case: height >= hashes
if (height >= m_blocks_hash_of_hashes.size() * HASH_OF_HASHES_STEP)
return hashes.size();