diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a9b8554c..19bbc9e0 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,36 +1,28 @@
 stages:
-  - pull
   - build
   - test
 
-before_script:
-  - cd /var/www/Projects/595.peerplays/blockchain
-
-pulljob:
-  stage: pull
-  script:
-    - git pull origin master
-  only:
-    - master
-  tags: 
-    - pp-dev
-
-buildjob:
+build:
   stage: build
   script:
+    - git submodule update --init --recursive
     - cmake .
-    - make 
-  only:
-    - master
-  tags: 
-    - pp-dev
-
-testjob:
+    - make -j$(nproc)
+  artifacts:
+    untracked: true
+    paths:
+      - libraries/
+      - programs/
+      - tests/
+  tags:
+    - builder
+    
+test:
   stage: test
+  dependencies: 
+    - build
   script:
+    - ./tests/betting_test
     - ./tests/chain_test
-    - ./tests/tournament_test
-  only:
-    - master
-  tags: 
-    - pp-dev
\ No newline at end of file
+  tags:
+    - builder
\ No newline at end of file
diff --git a/libraries/chain/db_management.cpp b/libraries/chain/db_management.cpp
index 68f6fad1..a0a78682 100644
--- a/libraries/chain/db_management.cpp
+++ b/libraries/chain/db_management.cpp
@@ -119,7 +119,9 @@ void database::reindex(fc::path data_dir, const genesis_state_type& initial_allo
 void database::wipe(const fc::path& data_dir, bool include_blocks)
 {
    ilog("Wiping database", ("include_blocks", include_blocks));
-   close();
+   if (_opened) {
+     close();
+   }
    object_database::wipe(data_dir);
    if( include_blocks )
       fc::remove_all( data_dir / "database" );
@@ -148,12 +150,16 @@ void database::open(
                          ("last_block->id", last_block->id())("head_block_num",head_block_num()) );
          }
       }
+      _opened = true;
    }
    FC_CAPTURE_LOG_AND_RETHROW( (data_dir) )
 }
 
 void database::close(bool rewind)
 {
+   if (!_opened)
+      return;
+      
    // TODO:  Save pending tx's on close()
    clear_pending();
 
@@ -198,6 +204,8 @@ void database::close(bool rewind)
       _block_id_to_block.close();
 
    _fork_db.reset();
+
+   _opened = false;
 }
 
 void database::force_slow_replays()
diff --git a/libraries/chain/include/graphene/chain/database.hpp b/libraries/chain/include/graphene/chain/database.hpp
index 84d1ea9b..b513fd2f 100644
--- a/libraries/chain/include/graphene/chain/database.hpp
+++ b/libraries/chain/include/graphene/chain/database.hpp
@@ -561,6 +561,15 @@ namespace graphene { namespace chain {
          node_property_object              _node_property_object;
          fc::hash_ctr_rng<secret_hash_type, 20> _random_number_generator;
          bool                              _slow_replays = false;
+
+         /**
+          * Whether database is successfully opened or not.
+          *
+          * The database is considered open when there's no exception
+          * or assertion fail during database::open() method, and
+          * database::close() has not been called, or failed during execution.
+          */
+         bool                              _opened = false;
    };
 
    namespace detail
diff --git a/libraries/fc b/libraries/fc
index 94b046dc..443f858d 160000
--- a/libraries/fc
+++ b/libraries/fc
@@ -1 +1 @@
-Subproject commit 94b046dce6bb86fd22abd1831fc9056103f4aa5d
+Subproject commit 443f858d9b4733bb6d894da9315ce00ac3246065
diff --git a/tests/cli/main.cpp b/tests/cli/main.cpp
index 4aca6c83..82adb1c5 100644
--- a/tests/cli/main.cpp
+++ b/tests/cli/main.cpp
@@ -37,6 +37,7 @@
 #include <fc/crypto/base58.hpp>
 
 #include <fc/crypto/aes.hpp>
+#include <fc/smart_ref_impl.hpp>
 
 #ifdef _WIN32
 #ifndef _WIN32_WINNT
@@ -210,7 +211,7 @@ public:
       wallet_data.ws_password = "";
       websocket_connection  = websocket_client.connect( wallet_data.ws_server );
 
-      api_connection = std::make_shared<fc::rpc::websocket_api_connection>(*websocket_connection);
+      api_connection = std::make_shared<fc::rpc::websocket_api_connection>(websocket_connection);
 
       remote_login_api = api_connection->get_remote_api< graphene::app::login_api >(1);
       BOOST_CHECK(remote_login_api->login( wallet_data.ws_user, wallet_data.ws_password ) );