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db_update.cpp: If there is no feed, bail sooner in check_for_blackswan()

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This is a performance optimization only, no semantics change.
This commit is contained in:
theoreticalbts 2015-10-01 12:40:42 -04:00
parent 44a7376219
commit 9b4be66aca
1 changed files with 3 additions and 4 deletions
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7
libraries/chain/db_update.cpp
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@ -158,6 +158,8 @@ bool database::check_for_blackswan( const asset_object& mia, bool enable_black_s
const asset_bitasset_data_object& bitasset = mia.bitasset_data(*this);
if( bitasset.has_settlement() ) return true; // already force settled
auto settle_price = bitasset.current_feed.settlement_price;
if( settle_price.is_null() ) return false; // no feed
const call_order_index& call_index = get_index_type<call_order_index>();
const auto& call_price_index = call_index.indices().get<by_price>();
@ -180,10 +182,7 @@ bool database::check_for_blackswan( const asset_object& mia, bool enable_black_s
auto call_itr = call_price_index.lower_bound( call_min );
auto call_end = call_price_index.upper_bound( call_max );
auto settle_price = bitasset.current_feed.settlement_price;
if( settle_price.is_null() ) return false; /// no feed;
if( call_itr == call_end ) return false; /// no call orders
if( call_itr == call_end ) return false; // no call orders
price highest = settle_price;
if( limit_itr != limit_end ) {