vector<bucket_object> history_api::get_market_history( asset_id_type a, asset_id_type b,
uint32_t bucket_seconds, fc::time_point_sec start, fc::time_point_sec end )const
{ try {
FC_ASSERT(_app.chain_database());
const auto& db = *_app.chain_database();
vector<bucket_object> result;
result.reserve(100);
if( a > b ) std::swap(a,b);
const auto& bidx = db.get_index_type<bucket_index>();
const auto& by_key_idx = bidx.indices().get<by_key>();
auto itr = by_key_idx.lower_bound( bucket_key( a, b, bucket_seconds, start ) );
while( itr != by_key_idx.end() && itr->key.open <= end && result.size() < 100 )
{
if( !(itr->key.base == a && itr->key.quote == b && itr->key.seconds == bucket_seconds) )
{
return result;
}
result.push_back(*itr);
++itr;
}
return result;
} FC_CAPTURE_AND_RETHROW( (a)(b)(bucket_seconds)(start)(end) ) }
bucket_location( const bucket_key & b = bucket_key(),
const bucket_ordinal & o = bucket_ordinal() )
: m_bucket(b), m_ordinal(o)
{}
