Peerplays_Blockchain/peerplays_migrated
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notify observes of changed objects after every pushed transaction

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This commit is contained in:
Daniel Larimer 2015-06-22 18:11:54 -04:00
parent 962310b415
commit d7f7d64352
2 changed files with 11 additions and 5 deletions
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13
libraries/chain/db_block.cpp
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@ -202,6 +202,7 @@ processed_transaction database::_push_transaction( const signed_transaction& trx
FC_ASSERT( (skip & skip_block_size_check) ||
fc::raw::pack_size(_pending_block) <= get_global_properties().parameters.maximum_block_size );
notify_changed_objects();
// The transaction applied successfully. Merge its changes into the pending block session.
session.merge();
return processed_trx;
@ -397,14 +398,18 @@ void database::_apply_block( const signed_block& next_block )
applied_block( next_block ); //emit
_applied_ops.clear();
notify_changed_objects();
update_pending_block(next_block, current_block_interval);
} FC_CAPTURE_AND_RETHROW( (next_block.block_num()) ) }
void database::notify_changed_objects()
{
const auto& head_undo = _undo_db.head();
vector<object_id_type> changed_ids; changed_ids.reserve(head_undo.old_values.size());
for( const auto& item : head_undo.old_values ) changed_ids.push_back(item.first);
changed_objects(changed_ids);
update_pending_block(next_block, current_block_interval);
} FC_CAPTURE_AND_RETHROW( (next_block.block_num()) ) }
}
processed_transaction database::apply_transaction( const signed_transaction& trx, uint32_t skip )
{

3
libraries/chain/include/graphene/chain/database.hpp
View file

@ -200,7 +200,7 @@ namespace graphene { namespace chain {
fc::signal<void(const signed_block&)> applied_block;
/**
* After a block has been applied and committed. The callback
* Emitted After a block has been applied and committed. The callback
* should not yield and should execute quickly.
*/
fc::signal<void(const vector<object_id_type>&)> changed_objects;
@ -394,6 +394,7 @@ namespace graphene { namespace chain {
protected:
//Mark pop_undo() as protected -- we do not want outside calling pop_undo(); it should call pop_block() instead
void pop_undo() { object_database::pop_undo(); }
void notify_changed_objects();
private:
optional<undo_database::session> _pending_block_session;