[BLOCKBACK-186] Withdraw vesting bug fix

libraries/chain/vesting_balance_evaluator.cpp

@@ -191,7 +191,7 @@ void_result vesting_balance_withdraw_evaluator::do_apply( const vesting_balance_
       std::for_each(vesting_range.first, vesting_range.second,
                     [&ids, now](const vesting_balance_object& balance) {
                         if(balance.balance.amount > 0 && balance.balance_type == vesting_balance_type::gpos
-                         && balance.balance.asset_id == asset_id_type())
+                         && balance.is_withdraw_allowed(now, balance.balance.amount) && balance.balance.asset_id == asset_id_type())
                            ids.emplace_back(balance.id);
                     });
 
@@ -202,8 +202,8 @@ void_result vesting_balance_withdraw_evaluator::do_apply( const vesting_balance_
          if(total_withdraw_amount.amount > vbo.balance.amount)
          {
             total_withdraw_amount.amount -= vbo.balance.amount;
-            d.modify( vbo, [&]( vesting_balance_object& vbo ) {vbo.withdraw( now, vbo.balance );} );
             d.adjust_balance( op.owner, vbo.balance );            
+            d.modify( vbo, [&]( vesting_balance_object& vbo ) {vbo.withdraw( now, vbo.balance );} );
          }
          else
          {

tests/tests/gpos_tests.cpp

@@ -1049,6 +1049,7 @@ BOOST_AUTO_TEST_CASE( Withdraw_gpos_vesting_balance )
 
       ACTORS((alice)(bob));
 
+      graphene::app::database_api db_api1(db);
       const auto& core = asset_id_type()(db);
 
 
@@ -1072,6 +1073,43 @@ BOOST_AUTO_TEST_CASE( Withdraw_gpos_vesting_balance )
       // verify charles balance
       BOOST_CHECK_EQUAL(get_balance(alice_id(db), core), 400);
       BOOST_CHECK_EQUAL(get_balance(bob_id(db), core), 99);
+
+      // Add more 50 and 73 vesting objects and withdraw 90 from 
+      // total vesting balance of user
+      create_vesting(alice_id, core.amount(50), vesting_balance_type::gpos);
+      create_vesting(alice_id, core.amount(73), vesting_balance_type::gpos);
+      generate_blocks(db.get_dynamic_global_properties().next_maintenance_time);
+
+      generate_block();
+
+      vector<vesting_balance_object> vbos = db_api1.get_vesting_balances("alice");
+      asset total_vesting;
+      for (const vesting_balance_object& vbo : vbos)
+      {
+         if (vbo.balance_type == vesting_balance_type::gpos && vbo.balance.asset_id == asset_id_type())
+            total_vesting += vbo.balance;
+      }
+      // total vesting balance of alice
+      BOOST_CHECK_EQUAL(total_vesting.amount.value, core.amount(223).amount.value);
+
+      generate_blocks(db.get_dynamic_global_properties().next_maintenance_time);
+      generate_blocks(db.get_global_properties().parameters.gpos_vesting_lockin_period());
+      BOOST_CHECK_EQUAL(get_balance(alice_id(db), core), 277);
+      withdraw_gpos_vesting(vbo.id, alice_id, core.amount(90), vesting_balance_type::gpos, alice_private_key);
+      generate_block();
+      // verify alice balance
+      BOOST_CHECK_EQUAL(get_balance(alice_id(db), core), 367);
+
+      // verify remaining vesting balance
+      vbos = db_api1.get_vesting_balances("alice");
+      asset remaining_vesting;
+      for (const vesting_balance_object& vbo : vbos)
+      {
+         if (vbo.balance_type == vesting_balance_type::gpos && vbo.balance.asset_id == asset_id_type())
+            remaining_vesting += vbo.balance;
+      }
+      // remaining vesting balance of alice
+      BOOST_CHECK_EQUAL(remaining_vesting.amount.value, core.amount(133).amount.value);
    }
    catch (fc::exception &e) {
       edump((e.to_detail_string()));