diff --git a/chaind/filter.py b/chaind/filter.py
index b143b91..1e5386f 100644
--- a/chaind/filter.py
+++ b/chaind/filter.py
@@ -115,7 +115,7 @@ class StateFilter(SyncFilter):
                 queue_adapter = self.__get_adapter(block, force_reload=True)
                 continue
 
-        logg.info('filter registered {} for {} in {}'.format(tx.status_name, tx.hash, block))
+        logg.info('filter registered {} for {} in {}'.format(tx.status.name, tx.hash, block))
 
         if self.throttler != None:
             self.throttler.dec(tx.hash)
diff --git a/chaind/unittest/common.py b/chaind/unittest/common.py
index 949fd90..39e389d 100644
--- a/chaind/unittest/common.py
+++ b/chaind/unittest/common.py
@@ -7,11 +7,6 @@ from chainqueue.cache import CacheTokenTx
 from chainlib.status import Status as TxStatus
 from chainlib.chain import ChainSpec
 from chainlib.error import RPCException
-from chainlib.tx import (
-        Tx,
-        TxResult,
-        )
-from chainlib.block import Block
 
 
 class MockCacheAdapter(CacheTokenTx):
@@ -39,17 +34,14 @@ class MockDispatcher:
         pass
 
 
-class MockTx(Tx):
+class MockTx:
 
     def __init__(self, tx_hash, status=TxStatus.SUCCESS):
-        result = TxResult()
-        result.status = status
-        super(MockTx, self).__init__(result=result)
-        self.set_hash(tx_hash)
+        self.hash = tx_hash
+        self.status = status
 
 
-class MockBlock(Block):
+class MockBlock:
 
     def __init__(self, number):
-        super(MockBlock, self).__init__()
         self.number = number