included sstring in 2 files, added missing ops to db_notify.cpp

libraries/chain/db_notify.cpp

@@ -269,6 +269,21 @@ struct get_impacted_account_visitor
       _impacted.insert( op.affiliate );
    }
    void operator()( const affiliate_referral_payout_operation& op ) { }
+   void operator()( const ticket_purchase_operation& op )
+   {
+      _impacted.insert( op.buyer );
+   }
+   void operator()( const lottery_reward_operation& op ) {
+      _impacted.insert( op.winner );
+   }
+   void operator()( const lottery_end_operation& op ) {
+      for( auto participant : op.participants ) {
+         _impacted.insert(participant.first);
+      }
+   }
+   void operator()( const sweeps_vesting_claim_operation& op ) {
+      _impacted.insert( op.account );
+   }
 };
 
 void operation_get_impacted_accounts( const operation& op, flat_set<account_id_type>& result )

libraries/chain/include/graphene/chain/betting_market_object.hpp

@@ -27,6 +27,7 @@
 #include <graphene/db/object.hpp>
 #include <graphene/db/generic_index.hpp>
 #include <graphene/chain/protocol/betting_market.hpp>
+#include <sstream>
 
 #include <boost/multi_index/composite_key.hpp>
 

libraries/chain/include/graphene/chain/event_object.hpp

@@ -27,6 +27,7 @@
 #include <graphene/db/object.hpp>
 #include <graphene/db/generic_index.hpp>
 #include <graphene/chain/protocol/event.hpp>
+#include <sstream>
 
 #include <boost/multi_index/composite_key.hpp>