add a test for the long term weight cache

pull/482/head
Boog900 9 months ago committed by wowario
parent 3c329005f5
commit 650cef2279
Signed by: wowario
GPG Key ID: 793504B449C69220

@ -407,3 +407,38 @@ TEST(long_term_block_weight, long_growth_spike_and_drop)
ASSERT_GT(long_term_effective_median_block_weight, 300000 * 1.07);
ASSERT_LT(long_term_effective_median_block_weight, 300000 * 1.09);
}
TEST(long_term_block_weight, cache_matches_true_value)
{
PREFIX(16);
// Add big blocks to increase the block weight limit
for (uint64_t h = 0; h <= 2000; ++h)
{
size_t w = bc->get_current_cumulative_block_weight_limit();
uint64_t ltw = bc->get_next_long_term_block_weight(w);
bc->get_db().add_block(std::make_pair(cryptonote::block(), ""), w, ltw, h, h, {});
bc->update_next_cumulative_weight_limit();
}
ASSERT_GT(bc->get_current_cumulative_block_weight_limit() * 10/17 , 300000);
// Add small blocks to the top of the chain
for (uint64_t h = 2000; h <= 5001; ++h)
{
size_t w = (bc->get_current_cumulative_block_weight_median() * 10/17) - 1000;
uint64_t ltw = bc->get_next_long_term_block_weight(w);
bc->get_db().add_block(std::make_pair(cryptonote::block(), ""), w, ltw, h, h, {});
bc->update_next_cumulative_weight_limit();
}
// get the weight limit
uint64_t weight_limit = bc->get_current_cumulative_block_weight_limit();
// refresh the cache
bc->m_long_term_block_weights_cache_rolling_median.clear();
bc->get_long_term_block_weight_median(bc->get_db().height() - TEST_LONG_TERM_BLOCK_WEIGHT_WINDOW, TEST_LONG_TERM_BLOCK_WEIGHT_WINDOW);
bc->update_next_cumulative_weight_limit();
// make sure the weight limit is the same
ASSERT_EQ(weight_limit, bc->get_current_cumulative_block_weight_limit());
}

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