Peerplays_Blockchain/peerplays_migrated
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Merge branch 'master' into bitshares

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Added a hardfork that is scheduled to happen years in the future after
this change has been reviewed and approved.
This commit is contained in:
Daniel Larimer 2015-10-23 13:27:23 -04:00
commit 32d6b22b7b
2 changed files with 29 additions and 3 deletions
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1
libraries/chain/include/graphene/chain/hardfork.hpp
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@ -23,3 +23,4 @@
#define HARDFORK_357_TIME (fc::time_point_sec( 1444416300 ))
#define HARDFORK_359_TIME (fc::time_point_sec( 1444416300 ))
#define HARDFORK_385_TIME (fc::time_point_sec( 1445558400 )) // October 23 enforce PARENT.CHILD and allow short names
#define HARDFORK_393_TIME (fc::time_point_sec( 2445558400 )) // Refund order creation fee on cancel

31
libraries/chain/market_evaluator.cpp
View file

@ -92,12 +92,37 @@ asset limit_order_cancel_evaluator::do_apply(const limit_order_cancel_operation&
auto quote_asset = _order->sell_price.quote.asset_id;
auto refunded = _order->amount_for_sale();
db().cancel_order(*_order, false /* don't create a virtual op*/);
if( d.head_block_time() > HARDFORK_393_TIME )
{
const auto& fees = d.current_fee_schedule();
asset create_fee = fees.calculate_fee( limit_order_create_operation() );
// then the create fee was only the network fee and not the
// full create_fee
const auto& gprops = d.get_global_properties();
auto cashback_percent = GRAPHENE_100_PERCENT - gprops.parameters.network_percent_of_fee;
auto cashback_amount = (create_fee.amount * cashback_percent) / GRAPHENE_100_PERCENT;
create_fee.amount -= cashback_amount;
const auto& core_asset_data = asset_id_type(0)(d).dynamic_asset_data_id(d);
d.modify( core_asset_data, [&]( asset_dynamic_data_object& addo ) {
addo.accumulated_fees -= create_fee.amount;
});
/** NOTE: this will adjust the users account balance in a way that cannot be derived entirely
* from the operation history. Consider paying this into cashback rewards, except not all
* accounts have a cashback vesting balance object.
*/
d.adjust_balance( o.fee_paying_account, create_fee );
}
d.cancel_order(*_order, false /* don't create a virtual op*/);
// Possible optimization: order can be called by canceling a limit order iff the canceled order was at the top of the book.
// Do I need to check calls in both assets?
db().check_call_orders(base_asset(d));
db().check_call_orders(quote_asset(d));
d.check_call_orders(base_asset(d));
d.check_call_orders(quote_asset(d));
return refunded;
} FC_CAPTURE_AND_RETHROW( (o) ) }