Slightly optimize database::check_for_blackswan()

bitshares · Sep 29, 2021 · 77665bf · 77665bf
1 parent d3da53f
commit 77665bf
Showing 1 changed file with 12 additions and 7 deletions.
diff --git a/libraries/chain/db_market.cpp b/libraries/chain/db_market.cpp
@@ -99,6 +99,18 @@ bool database::check_for_blackswan( const asset_object& mia, bool enable_black_s
  auto limit_itr = limit_price_index.lower_bound( highest_possible_bid );
  auto limit_end = limit_price_index.upper_bound( lowest_possible_bid );
 
+ price call_pays_price;
+ if( limit_itr != limit_end )
+ {
+ FC_ASSERT( highest.base.asset_id == limit_itr->sell_price.base.asset_id );
+ call_pays_price = limit_itr->sell_price;
+ if( after_core_hardfork_2481 )
+ {
+ // due to margin call fee, we check with MCPP (margin call pays price) here
+ call_pays_price = call_pays_price * bitasset.get_margin_call_pays_ratio();
+ }
+ }
+
  using bsrm_type = bitasset_options::black_swan_response_type;
  const auto bsrm = bitasset.get_black_swan_response_method();
 
@@ -122,13 +134,6 @@ bool database::check_for_blackswan( const asset_object& mia, bool enable_black_s
 
  if( limit_itr != limit_end )
  {
- FC_ASSERT( highest.base.asset_id == limit_itr->sell_price.base.asset_id );
- auto call_pays_price = limit_itr->sell_price;
- if( after_core_hardfork_2481 )
- {
- // due to margin call fee, we check with MCPP (margin call pays price) here
- call_pays_price = call_pays_price * bitasset.get_margin_call_pays_ratio();
- }
  if( bsrm_type::individual_settlement_to_fund != bsrm )
  highest = std::max( call_pays_price, highest );
  // for individual_settlement_to_fund, if call_pays_price < current_feed.max_short_squeeze_price(),