예제 #1
0
void account_statistics_object::process_fees(const account_object& a, database& d) const
{
   if( pending_fees > 0 || pending_vested_fees > 0 )
   {
      const auto& props = d.get_global_properties();

      auto pay_out_fees = [&](const account_object& account, share_type core_fee_total, bool require_vesting)
      {
         // Check the referrer -- if he's no longer a member, pay to the lifetime referrer instead.
         // No need to check the registrar; registrars are required to be lifetime members.
         if( account.referrer(d).is_basic_account(d.head_block_time()) )
            d.modify(account, [](account_object& a) {
               a.referrer = a.lifetime_referrer;
            });

         share_type network_cut = cut_fee(core_fee_total, account.network_fee_percentage);
         assert( network_cut <= core_fee_total );

#ifndef NDEBUG
         share_type reserveed = cut_fee(network_cut, props.parameters.reserve_percent_of_fee);
         share_type accumulated = network_cut - reserveed;
         assert( accumulated + reserveed == network_cut );
#endif
         share_type lifetime_cut = cut_fee(core_fee_total, account.lifetime_referrer_fee_percentage);
         share_type referral = core_fee_total - network_cut - lifetime_cut;

         d.modify(asset_dynamic_data_id_type()(d), [network_cut](asset_dynamic_data_object& d) {
            d.accumulated_fees += network_cut;
         });

         // Potential optimization: Skip some of this math and object lookups by special casing on the account type.
         // For example, if the account is a lifetime member, we can skip all this and just deposit the referral to
         // it directly.
         share_type referrer_cut = cut_fee(referral, account.referrer_rewards_percentage);
         share_type registrar_cut = referral - referrer_cut;

         d.deposit_cashback(d.get(account.lifetime_referrer), lifetime_cut, require_vesting);
         d.deposit_cashback(d.get(account.referrer), referrer_cut, require_vesting);
         d.deposit_cashback(d.get(account.registrar), registrar_cut, require_vesting);

         assert( referrer_cut + registrar_cut + accumulated + reserveed + lifetime_cut == core_fee_total );
      };

      share_type vesting_fee_subtotal(pending_fees);
      share_type vested_fee_subtotal(pending_vested_fees);
      share_type vesting_cashback, vested_cashback;

      pay_out_fees(a, vesting_fee_subtotal, true);
      d.deposit_cashback(a, vesting_cashback, true);
      pay_out_fees(a, vested_fee_subtotal, false);
      d.deposit_cashback(a, vested_cashback, false);

      d.modify(*this, [vested_fee_subtotal, vesting_fee_subtotal](account_statistics_object& s) {
         s.lifetime_fees_paid += vested_fee_subtotal + vesting_fee_subtotal;
         s.pending_fees = 0;
         s.pending_vested_fees = 0;
      });
   }
}
예제 #2
0
void refund_worker_type::pay_worker(share_type pay, database& db)
{
   total_burned += pay;
   db.modify(db.get(asset_id_type()).dynamic_data(db), [pay](asset_dynamic_data_object& d) {
      d.current_supply -= pay;
   });
}
예제 #3
0
void vesting_balance_worker_type::pay_worker(share_type pay, database& db)
{
   db.modify(balance(db), [&](vesting_balance_object& b) {
      b.deposit(db.head_block_time(), asset(pay));
   });
}
예제 #4
0
void debug_apply_update( database& db, const fc::variant_object& vo )
{
   static const uint8_t
      db_action_nil = 0,
      db_action_create = 1,
      db_action_write = 2,
      db_action_update = 3,
      db_action_delete = 4;

   // "_action" : "create"   object must not exist, unspecified fields take defaults
   // "_action" : "write"    object may exist, is replaced entirely, unspecified fields take defaults
   // "_action" : "update"   object must exist, unspecified fields don't change
   // "_action" : "delete"   object must exist, will be deleted

   // if _action is unspecified:
   // - delete if object contains only ID field
   // - otherwise, write

   object_id_type oid;
   uint8_t action = db_action_nil;
   auto it_id = vo.find("id");
   FC_ASSERT( it_id != vo.end() );

   from_variant( it_id->value(), oid );
   action = ( vo.size() == 1 ) ? db_action_delete : db_action_write;

   from_variant( vo["id"], oid );
   if( vo.size() == 1 )
      action = db_action_delete;
   auto it_action = vo.find("_action" );
   if( it_action != vo.end() )
   {
      const std::string& str_action = it_action->value().get_string();
      if( str_action == "create" )
         action = db_action_create;
      else if( str_action == "write" )
         action = db_action_write;
      else if( str_action == "update" )
         action = db_action_update;
      else if( str_action == "delete" )
         action = db_action_delete;
   }

   auto& idx = db.get_index( oid );

   switch( action )
   {
      case db_action_create:
         FC_ASSERT( false );
         break;
      case db_action_write:
         db.modify( db.get_object( oid ), [&]( object& obj )
         {
            idx.object_default( obj );
            idx.object_from_variant( vo, obj, GRAPHENE_MAX_NESTED_OBJECTS );
         } );
         break;
      case db_action_update:
         db.modify( db.get_object( oid ), [&]( object& obj )
         {
            idx.object_from_variant( vo, obj, GRAPHENE_MAX_NESTED_OBJECTS );
         } );
         break;
      case db_action_delete:
         db.remove( db.get_object( oid ) );
         break;
      default:
         FC_ASSERT( false );
   }
}