static void updateHelper (SLE::ref entry,
hash_set< uint256 >& seen,
OrderBookDB::IssueToOrderBook& destMap,
OrderBookDB::IssueToOrderBook& sourceMap,
hash_set< Issue >& XDVBooks,
int& books)
{
if (entry->getType () == ltDIR_NODE &&
entry->isFieldPresent (sfExchangeRate) &&
entry->getFieldH256 (sfRootIndex) == entry->getIndex())
{
Book book;
book.in.currency.copyFrom (entry->getFieldH160 (sfTakerPaysCurrency));
book.in.account.copyFrom (entry->getFieldH160 (sfTakerPaysIssuer));
book.out.account.copyFrom (entry->getFieldH160 (sfTakerGetsIssuer));
book.out.currency.copyFrom (entry->getFieldH160 (sfTakerGetsCurrency));
uint256 index = getBookBase (book);
if (seen.insert (index).second)
{
auto orderBook = std::make_shared<OrderBook> (index, book);
sourceMap[book.in].push_back (orderBook);
destMap[book.out].push_back (orderBook);
if (isXDV(book.out))
XDVBooks.insert(book.in);
++books;
}
}
}
static void updateHelper (SLE::ref entry,
boost::unordered_set< uint256 >& seen,
boost::unordered_map< currencyIssuer_t, std::vector<OrderBook::pointer> >& destMap,
boost::unordered_map< currencyIssuer_t, std::vector<OrderBook::pointer> >& sourceMap,
boost::unordered_set< currencyIssuer_t >& XRPBooks,
int& books)
{
if ((entry->getType () == ltDIR_NODE) && (entry->isFieldPresent (sfExchangeRate)) &&
(entry->getFieldH256 (sfRootIndex) == entry->getIndex()))
{
const uint160& ci = entry->getFieldH160 (sfTakerPaysCurrency);
const uint160& co = entry->getFieldH160 (sfTakerGetsCurrency);
const uint160& ii = entry->getFieldH160 (sfTakerPaysIssuer);
const uint160& io = entry->getFieldH160 (sfTakerGetsIssuer);
uint256 index = Ledger::getBookBase (ci, ii, co, io);
if (seen.insert (index).second)
{
// VFALCO TODO Reduce the clunkiness of these parameter wrappers
OrderBook::pointer book = boost::make_shared<OrderBook> (boost::cref (index),
boost::cref (ci), boost::cref (co), boost::cref (ii), boost::cref (io));
sourceMap[currencyIssuer_ct (ci, ii)].push_back (book);
destMap[currencyIssuer_ct (co, io)].push_back (book);
if (co.isZero())
XRPBooks.insert(currencyIssuer_ct (ci, ii));
++books;
}
}
}