void pending_chain_state::get_undo_state( const chain_interface_ptr& undo_state_arg )const
{
auto undo_state = std::dynamic_pointer_cast<pending_chain_state>(undo_state_arg);
chain_interface_ptr prev_state = _prev_state.lock();
FC_ASSERT( prev_state );
for( const auto& item : properties )
{
auto prev_value = prev_state->get_property( (chain_property_enum)item.first );
undo_state->set_property( (chain_property_enum)item.first, prev_value );
}
for( const auto& item : assets )
{
auto prev_value = prev_state->get_asset_record( item.first );
if( !!prev_value ) undo_state->store_asset_record( *prev_value );
else undo_state->store_asset_record( item.second.make_null() );
}
for( const auto& item : slates )
{
auto prev_value = prev_state->get_delegate_slate( item.first );
if( prev_value ) undo_state->store_delegate_slate( item.first, *prev_value );
else undo_state->store_delegate_slate( item.first, delegate_slate() );
}
for( const auto& item : accounts )
{
auto prev_value = prev_state->get_account_record( item.first );
if( !!prev_value ) undo_state->store_account_record( *prev_value );
else undo_state->store_account_record( item.second.make_null() );
}
for( const auto& item : proposals )
{
auto prev_value = prev_state->get_proposal_record( item.first );
if( !!prev_value ) undo_state->store_proposal_record( *prev_value );
else undo_state->store_proposal_record( item.second.make_null() );
}
for( const auto& item : proposal_votes )
{
auto prev_value = prev_state->get_proposal_vote( item.first );
if( !!prev_value ) undo_state->store_proposal_vote( *prev_value );
else {
undo_state->store_proposal_vote( item.second.make_null() );
}
}
for( const auto& item : balances )
{
auto prev_value = prev_state->get_balance_record( item.first );
if( !!prev_value ) undo_state->store_balance_record( *prev_value );
else undo_state->store_balance_record( item.second.make_null() );
}
for( const auto& item : transactions )
{
auto prev_value = prev_state->get_transaction( item.first );
if( !!prev_value ) undo_state->store_transaction( item.first, *prev_value );
else undo_state->store_transaction( item.first, transaction_record() );
}
for( const auto& item : bids )
{
auto prev_value = prev_state->get_bid_record( item.first );
if( prev_value.valid() ) undo_state->store_bid_record( item.first, *prev_value );
else undo_state->store_bid_record( item.first, order_record() );
}
for( const auto& item : asks )
{
auto prev_value = prev_state->get_ask_record( item.first );
if( prev_value.valid() ) undo_state->store_ask_record( item.first, *prev_value );
else undo_state->store_ask_record( item.first, order_record() );
}
for( const auto& item : shorts )
{
auto prev_value = prev_state->get_short_record( item.first );
if( prev_value.valid() ) undo_state->store_short_record( item.first, *prev_value );
else undo_state->store_short_record( item.first, order_record() );
}
for( const auto& item : collateral )
{
auto prev_value = prev_state->get_collateral_record( item.first );
if( prev_value.valid() ) undo_state->store_collateral_record( item.first, *prev_value );
else undo_state->store_collateral_record( item.first, collateral_record() );
}
for( const auto& item : slots )
{
auto prev_value = prev_state->get_slot_record( item.first );
if( prev_value ) undo_state->store_slot_record( *prev_value );
else
{
slot_record invalid_slot_record;
invalid_slot_record.start_time = item.first;
invalid_slot_record.block_produced = true;
invalid_slot_record.block_id = block_id_type();
undo_state->store_slot_record( invalid_slot_record );
}
}
}
bool get_next_ask()
{ try {
if( _current_ask && _current_ask->state.balance > 0 )
{
wlog( "current ask" );
return _current_ask.valid();
}
_current_ask.reset();
/**
* Margin calls take priority over all other ask orders
*/
while( _current_bid && _collateral_itr.valid() )
{
auto cover_ask = market_order( cover_order,
_collateral_itr.key(),
order_record(_collateral_itr.value().payoff_balance),
_collateral_itr.value().collateral_balance );
if( cover_ask.get_price().quote_asset_id == _quote_id &&
cover_ask.get_price().base_asset_id == _base_id )
{
if( _current_bid->get_price() < cover_ask.get_highest_cover_price() )
{
// cover position has been blown out, current bid is not able to
// cover the position, so it will sit until the price recovers
// enough to fill it.
//
// The idea here is that the longs have agreed to a maximum
// protection equal to the collateral. If they would like to
// sell their USD for XTS this is the best price the short is
// obligated to offer.
FC_CAPTURE_AND_THROW( insufficient_collateral, (_current_bid)(cover_ask)(cover_ask.get_highest_cover_price()));
--_collateral_itr;
continue;
}
// max bid must be greater than call price
if( _current_bid->get_price() < cover_ask.get_price() )
{
// if( _current_ask->get_price() > cover_ask.get_price() )
{
_current_ask = cover_ask;
_current_payoff_balance = _collateral_itr.value().payoff_balance;
--_collateral_itr;
return _current_ask.valid();
}
}
}
break;
}
if( _ask_itr.valid() )
{
auto ask = market_order( ask_order, _ask_itr.key(), _ask_itr.value() );
wlog( "ASK ITER VALID: ${o}", ("o",ask) );
if( ask.get_price().quote_asset_id == _quote_id &&
ask.get_price().base_asset_id == _base_id )
{
_current_ask = ask;
}
++_ask_itr;
return true;
}
return _current_ask.valid();
} FC_CAPTURE_AND_RETHROW() }
void pending_chain_state::get_undo_state( const chain_interface_ptr& undo_state_arg )const
{
auto undo_state = std::dynamic_pointer_cast<pending_chain_state>(undo_state_arg);
FC_ASSERT( _prev_state );
for( auto item : properties )
{
auto previous_value = _prev_state->get_property( (chain_property_enum)item.first );
undo_state->set_property( (chain_property_enum)item.first, previous_value );
}
for( auto record : assets )
{
auto prev_asset = _prev_state->get_asset_record( record.first );
if( !!prev_asset ) undo_state->store_asset_record( *prev_asset );
else undo_state->store_asset_record( record.second.make_null() );
}
for( auto record : names )
{
auto prev_name = _prev_state->get_name_record( record.first );
if( !!prev_name ) undo_state->store_name_record( *prev_name );
else undo_state->store_name_record( record.second.make_null() );
}
for( auto record : proposals )
{
auto prev_proposal = _prev_state->get_proposal_record( record.first );
if( !!prev_proposal ) undo_state->store_proposal_record( *prev_proposal );
else undo_state->store_proposal_record( record.second.make_null() );
}
for( auto record : proposal_votes )
{
auto prev_proposal_vote = _prev_state->get_proposal_vote( record.first );
if( !!prev_proposal_vote ) undo_state->store_proposal_vote( *prev_proposal_vote );
else { undo_state->store_proposal_vote( record.second.make_null() ); }
}
for( auto record : balances )
{
auto prev_address = _prev_state->get_balance_record( record.first );
if( !!prev_address ) undo_state->store_balance_record( *prev_address );
else undo_state->store_balance_record( record.second.make_null() );
}
for( auto record : bids )
{
auto prev_value = _prev_state->get_bid_record( record.first );
if( prev_value.valid() ) undo_state->store_bid_record( record.first, *prev_value );
else undo_state->store_bid_record( record.first, order_record() );
}
for( auto record : asks )
{
auto prev_value = _prev_state->get_ask_record( record.first );
if( prev_value.valid() ) undo_state->store_ask_record( record.first, *prev_value );
else undo_state->store_ask_record( record.first, order_record() );
}
for( auto record : shorts )
{
auto prev_value = _prev_state->get_short_record( record.first );
if( prev_value.valid() ) undo_state->store_short_record( record.first, *prev_value );
else undo_state->store_short_record( record.first, order_record() );
}
for( auto record : collateral )
{
auto prev_value = _prev_state->get_collateral_record( record.first );
if( prev_value.valid() ) undo_state->store_collateral_record( record.first, *prev_value );
else undo_state->store_collateral_record( record.first, collateral_record() );
}
}
void pending_chain_state::get_undo_state( const chain_interface_ptr& undo_state_arg )const
{
auto undo_state = std::dynamic_pointer_cast<pending_chain_state>( undo_state_arg );
chain_interface_ptr prev_state = _prev_state.lock();
FC_ASSERT( prev_state );
for( const auto& item : properties )
{
auto prev_value = prev_state->get_property( (chain_property_enum)item.first );
undo_state->set_property( (chain_property_enum)item.first, prev_value );
}
for( const auto& item : assets )
{
auto prev_value = prev_state->get_asset_record( item.first );
if( !!prev_value ) undo_state->store_asset_record( *prev_value );
else undo_state->store_asset_record( item.second.make_null() );
}
for( const auto& item : slates )
{
auto prev_value = prev_state->get_delegate_slate( item.first );
if( prev_value ) undo_state->store_delegate_slate( item.first, *prev_value );
else undo_state->store_delegate_slate( item.first, delegate_slate() );
}
for( const auto& item : accounts )
{
auto prev_value = prev_state->get_account_record( item.first );
if( !!prev_value ) undo_state->store_account_record( *prev_value );
else undo_state->store_account_record( item.second.make_null() );
}
#if 0
for( const auto& item : proposals )
{
auto prev_value = prev_state->get_proposal_record( item.first );
if( !!prev_value ) undo_state->store_proposal_record( *prev_value );
else undo_state->store_proposal_record( item.second.make_null() );
}
for( const auto& item : proposal_votes )
{
auto prev_value = prev_state->get_proposal_vote( item.first );
if( !!prev_value ) undo_state->store_proposal_vote( *prev_value );
else { undo_state->store_proposal_vote( item.second.make_null() ); }
}
#endif
for( const auto& item : balances )
{
auto prev_value = prev_state->get_balance_record( item.first );
if( !!prev_value ) undo_state->store_balance_record( *prev_value );
else undo_state->store_balance_record( item.second.make_null() );
}
for( const auto& item : transactions )
{
auto prev_value = prev_state->get_transaction( item.first );
if( !!prev_value ) undo_state->store_transaction( item.first, *prev_value );
else undo_state->store_transaction( item.first, transaction_record() );
}
for( const auto& item : bids )
{
auto prev_value = prev_state->get_bid_record( item.first );
if( prev_value.valid() ) undo_state->store_bid_record( item.first, *prev_value );
else undo_state->store_bid_record( item.first, order_record() );
}
for( const auto& item : asks )
{
auto prev_value = prev_state->get_ask_record( item.first );
if( prev_value.valid() ) undo_state->store_ask_record( item.first, *prev_value );
else undo_state->store_ask_record( item.first, order_record() );
}
for( const auto& item : shorts )
{
auto prev_value = prev_state->get_short_record( item.first );
if( prev_value.valid() ) undo_state->store_short_record( item.first, *prev_value );
else undo_state->store_short_record( item.first, order_record() );
}
for( const auto& item : collateral )
{
auto prev_value = prev_state->get_collateral_record( item.first );
if( prev_value.valid() ) undo_state->store_collateral_record( item.first, *prev_value );
else undo_state->store_collateral_record( item.first, collateral_record() );
}
for( const auto& item : slots )
{
auto prev_value = prev_state->get_slot_record( item.first );
if( prev_value ) undo_state->store_slot_record( *prev_value );
else
{
slot_record invalid_slot_record;
invalid_slot_record.start_time = item.first;
invalid_slot_record.block_produced = true;
invalid_slot_record.block_id = block_id_type();
undo_state->store_slot_record( invalid_slot_record );
}
}
for( const auto& item : market_statuses )
{
auto prev_value = prev_state->get_market_status( item.first.first, item.first.second );
if( prev_value ) undo_state->store_market_status( *prev_value );
else
{
undo_state->store_market_status( market_status() );
}
}
for( const auto& item : feeds )
{
auto prev_value = prev_state->get_feed( item.first );
if( prev_value ) undo_state->set_feed( *prev_value );
else undo_state->set_feed( feed_record{item.first} );
}
for( const auto& item : burns )
{
undo_state->store_burn_record( burn_record( item.first ) );
}
const auto dirty_markets = prev_state->get_dirty_markets();
undo_state->set_dirty_markets(dirty_markets);
/* NOTE: Recent operations are currently not rewound on undo */
}
