/**
* Removes the most recent block from the database and
* undoes any changes it made.
*/
void database::pop_block()
{ try {
_pending_tx_session.reset();
auto head_id = head_block_id();
optional<signed_block> head_block = fetch_block_by_id( head_id );
GRAPHENE_ASSERT( head_block.valid(), pop_empty_chain, "there are no blocks to pop" );
_fork_db.pop_block();
_block_id_to_block.remove( head_id );
pop_undo();
_popped_tx.insert( _popped_tx.begin(), head_block->transactions.begin(), head_block->transactions.end() );
} FC_CAPTURE_AND_RETHROW() }
void database::debug_update( const fc::variant_object& update )
{
block_id_type head_id = head_block_id();
auto it = _node_property_object.debug_updates.find( head_id );
if( it == _node_property_object.debug_updates.end() )
it = _node_property_object.debug_updates.emplace( head_id, std::vector< fc::variant_object >() ).first;
it->second.emplace_back( update );
optional<signed_block> head_block = fetch_block_by_id( head_id );
FC_ASSERT( head_block.valid() );
// What the last block does has been changed by adding to node_property_object, so we have to re-apply it
pop_block();
push_block( *head_block );
}
