diff --git a/libraries/chain/hardfork.d/516.hf b/libraries/chain/hardfork.d/516.hf
index 445e2871..80859724 100644
--- a/libraries/chain/hardfork.d/516.hf
+++ b/libraries/chain/hardfork.d/516.hf
@@ -1,4 +1,4 @@
 // #516 Special authorities
 #ifndef HARDFORK_516_TIME
-#define HARDFORK_516_TIME (fc::time_point_sec( 1455127200 ))
+#define HARDFORK_516_TIME (fc::time_point_sec( 1456250400 ))
 #endif
diff --git a/libraries/chain/hardfork.d/533.hf b/libraries/chain/hardfork.d/533.hf
index 3830028b..32d8ede8 100644
--- a/libraries/chain/hardfork.d/533.hf
+++ b/libraries/chain/hardfork.d/533.hf
@@ -1,4 +1,4 @@
 // #533 Improve vote counting implementation
 #ifndef HARDFORK_533_TIME
-#define HARDFORK_533_TIME (fc::time_point_sec( 1455127200 ))
+#define HARDFORK_533_TIME (fc::time_point_sec( 1456250400 ))
 #endif
diff --git a/libraries/chain/hardfork.d/538.hf b/libraries/chain/hardfork.d/538.hf
index 68da2c43..99a27537 100644
--- a/libraries/chain/hardfork.d/538.hf
+++ b/libraries/chain/hardfork.d/538.hf
@@ -1,4 +1,4 @@
 // #538 Buyback accounts
 #ifndef HARDFORK_538_TIME
-#define HARDFORK_538_TIME (fc::time_point_sec( 1455127200 ))
+#define HARDFORK_538_TIME (fc::time_point_sec( 1456250400 ))
 #endif
diff --git a/libraries/chain/hardfork.d/555.hf b/libraries/chain/hardfork.d/555.hf
index 28959f11..45ef0473 100644
--- a/libraries/chain/hardfork.d/555.hf
+++ b/libraries/chain/hardfork.d/555.hf
@@ -1,4 +1,4 @@
 // #555 Buyback accounts
 #ifndef HARDFORK_555_TIME
-#define HARDFORK_555_TIME (fc::time_point_sec( 1455127200 ))
+#define HARDFORK_555_TIME (fc::time_point_sec( 1456250400 ))
 #endif
diff --git a/libraries/chain/hardfork.d/563.hf b/libraries/chain/hardfork.d/563.hf
index 892214ed..001563ca 100644
--- a/libraries/chain/hardfork.d/563.hf
+++ b/libraries/chain/hardfork.d/563.hf
@@ -1,4 +1,4 @@
 // #563 Stealth fee routing
 #ifndef HARDFORK_563_TIME
-#define HARDFORK_563_TIME (fc::time_point_sec( 1455127200 ))
+#define HARDFORK_563_TIME (fc::time_point_sec( 1456250400 ))
 #endif
diff --git a/libraries/chain/hardfork.d/572.hf b/libraries/chain/hardfork.d/572.hf
index f054225f..a466ef72 100644
--- a/libraries/chain/hardfork.d/572.hf
+++ b/libraries/chain/hardfork.d/572.hf
@@ -1,4 +1,4 @@
 // #572 Allow asset to update permission flags when no supply exists
 #ifndef HARDFORK_572_TIME
-#define HARDFORK_572_TIME (fc::time_point_sec( 1450378800 ))
+#define HARDFORK_572_TIME (fc::time_point_sec( 1456250400 ))
 #endif
diff --git a/libraries/chain/include/graphene/chain/config.hpp b/libraries/chain/include/graphene/chain/config.hpp
index 6088ba43..07dff7ff 100644
--- a/libraries/chain/include/graphene/chain/config.hpp
+++ b/libraries/chain/include/graphene/chain/config.hpp
@@ -144,7 +144,7 @@
 #define GRAPHENE_RECENTLY_MISSED_COUNT_INCREMENT             4
 #define GRAPHENE_RECENTLY_MISSED_COUNT_DECREMENT             3
 
-#define GRAPHENE_CURRENT_DB_VERSION                          "BTS2.7"
+#define GRAPHENE_CURRENT_DB_VERSION                          "BTS2.8"
 
 #define GRAPHENE_IRREVERSIBLE_THRESHOLD                      (70 * GRAPHENE_1_PERCENT)
 
@@ -168,5 +168,4 @@
 #define GRAPHENE_NULL_WITNESS (graphene::chain::witness_id_type(0))
 ///@}
 
-// hack for unit test
-#define GRAPHENE_FBA_STEALTH_DESIGNATED_ASSET (asset_id_type(1))
+#define GRAPHENE_FBA_STEALTH_DESIGNATED_ASSET (asset_id_type(743))
diff --git a/libraries/fc b/libraries/fc
index 8eec508b..e5ca765f 160000
--- a/libraries/fc
+++ b/libraries/fc
@@ -1 +1 @@
-Subproject commit 8eec508b8cd418f0719a58f10a11d7850e87b992
+Subproject commit e5ca765f1508f2a05bb980231ee8e4b8985b51cf