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Fix: long term block weight cache

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The long term block weight cache was doing a wrong calculation when
adding a new block to the cache.
This commit is contained in:
Boog900 2023-10-01 13:40:06 +01:00 committed by wowario
parent 650cef2279
commit c1093aa33d
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GPG key ID: 793504B449C69220
1 changed files with 2 additions and 33 deletions
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35
src/cryptonote_core/blockchain.cpp
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@ -4736,40 +4736,9 @@ bool Blockchain::update_next_cumulative_weight_limit(uint64_t *long_term_effecti
}
else
{
const uint64_t block_weight = m_db->get_block_weight(db_height - 1);
const uint64_t nblocks = std::min<uint64_t>(m_long_term_block_weights_window, db_height);
const uint64_t long_term_median = get_long_term_block_weight_median(db_height - nblocks, nblocks);
uint64_t long_term_median;
if (db_height == 1)
{
long_term_median = CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V5;
}
else
{
uint64_t nblocks = std::min<uint64_t>(m_long_term_block_weights_window, db_height);
if (nblocks == db_height)
--nblocks;
long_term_median = get_long_term_block_weight_median(db_height - nblocks - 1, nblocks);
}
m_long_term_effective_median_block_weight = std::max<uint64_t>(CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V5, long_term_median);
uint64_t short_term_constraint = m_long_term_effective_median_block_weight;
if (hf_version >= HF_VERSION_2021_SCALING)
short_term_constraint += m_long_term_effective_median_block_weight * 7 / 10;
else
short_term_constraint += m_long_term_effective_median_block_weight * 2 / 5;
uint64_t long_term_block_weight = std::min<uint64_t>(block_weight, short_term_constraint);
if (db_height == 1)
{
long_term_median = long_term_block_weight;
}
else
{
m_long_term_block_weights_cache_tip_hash = m_db->get_block_hash_from_height(db_height - 1);
m_long_term_block_weights_cache_rolling_median.insert(long_term_block_weight);
long_term_median = m_long_term_block_weights_cache_rolling_median.median();
}
m_long_term_effective_median_block_weight = std::max<uint64_t>(CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE_V5, long_term_median);
std::vector<uint64_t> weights;