market_ticker market_history_api_impl::get_ticker() const
{
market_ticker result;
auto db = app.chain_database();
const auto& bucket_idx = db->get_index_type< bucket_index >().indices().get< by_bucket >();
auto itr = bucket_idx.lower_bound( boost::make_tuple( 86400, db->head_block_time() - 86400 ) );
if( itr != bucket_idx.end() )
{
auto open = ( asset( itr->open_sbd, SBD_SYMBOL ) / asset( itr->open_steem, STEEM_SYMBOL ) ).to_real();
result.latest = ( asset( itr->close_sbd, SBD_SYMBOL ) / asset( itr->close_steem, STEEM_SYMBOL ) ).to_real();
result.percent_change = ( ( result.latest - open ) / open ) * 100;
}
else
{
result.latest = 0;
result.percent_change = 0;
}
auto orders = get_order_book( 1 );
if( orders.bids.size() )
result.highest_bid = orders.bids[0].price;
if( orders.asks.size() )
result.lowest_ask = orders.asks[0].price;
auto volume = get_volume();
result.steem_volume = volume.steem_volume;
result.sbd_volume = volume.sbd_volume;
return result;
}
inline void order_processor::send_market_order(const ats::market_order& order)
{
auto it = orders_.insert(std::make_pair(order.id(), std::make_shared<ats::order>(order))).first;
order_status_handlers_(ats::order_status_pending_new_message(order.id(), current_time()));
const ats::symbol_key& symbol = portfolio_->get_symbol_key(order.symbol());
const ats::exchange_order_book* book = get_order_book(symbol).get(order.exchange());
if (book == nullptr)
{
std::string reason = "Order book for symbol '" << order.symbol() << "' and exchange '" +
order.exchange() + "' does not exist.";
if (!auto_clear_inactive_orders)
it->second->set_status(ats::order_status::Rejected);
else
orders_.erase(it);
order_status_handlers_(ats::order_status_rejected_message(order.id(), current_time(), reason));
return;
}
if (order.side() == ats::order_side::Buy || order.side() == ats::order_side::BuyCover)
{
if (!book->asks().empty())
{
if (!auto_clear_inactive_orders)
it->second->set_status(ats::order_status::Filled);
else
orders_.erase(it);
order_status_handlers_(ats::order_status_filled_message(order.id(), current_time(), book->best_ask_price(), order.quantity()));
}
else
{
if (!auto_clear_inactive_orders)
it->second->set_status(ats::order_status::Rejected);
else
orders_.erase(it);
order_status_handlers_(ats::order_status_rejected_message(order.id(), current_time(), "No asks in order book"));
}
}
else
{
if (!book->bids().empty())
{
if (!auto_clear_inactive_orders)
it->second->set_status(ats::order_status::Filled);
else
orders_.erase(it);
order_status_handlers_(ats::order_status_filled_message(order.id(), current_time(), book->best_bid_price(), order.quantity()));
}
else
{
if (!auto_clear_inactive_orders)
it->second->set_status(ats::order_status::Rejected);
else
orders_.erase(it);
order_status_handlers_(ats::order_status_rejected_message(order.id(), current_time(), "No bids in order book"));
}
}
}
