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Merge pull request #4806

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ac23b10f blockchain: fix innocuous difficulty cache inconsistency (moneromooo-monero)
3b14d972 blockchain: use uint64_t for block height, not size_t (moneromooo-monero)
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Riccardo Spagni 2018-11-16 11:16:49 +02:00
commit c37c70f459
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1 changed files with 2 additions and 1 deletions
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src/cryptonote_core/blockchain.cpp
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@ -831,6 +831,7 @@ difficulty_type Blockchain::get_difficulty_for_next_block()
std::vector<uint64_t> timestamps;
std::vector<difficulty_type> difficulties;
auto height = m_db->height();
top_hash = get_tail_id(); // get it again now that we have the lock
// ND: Speedup
// 1. Keep a list of the last 735 (or less) blocks that is used to compute difficulty,
// then when the next block difficulty is queried, push the latest height data and
@ -853,7 +854,7 @@ difficulty_type Blockchain::get_difficulty_for_next_block()
}
else
{
size_t offset = height - std::min < size_t > (height, static_cast<size_t>(DIFFICULTY_BLOCKS_COUNT));
uint64_t offset = height - std::min <uint64_t> (height, static_cast<uint64_t>(DIFFICULTY_BLOCKS_COUNT));
if (offset == 0)
++offset;