diff --git a/chainlib/block.py b/chainlib/block.py
index 246a466..0ffd30c 100644
--- a/chainlib/block.py
+++ b/chainlib/block.py
@@ -21,7 +21,6 @@ class Block(Src):
 
     def __init__(self, src):
         self.number = None
-        self.hash = None
         self.txs = []
         self.author = None
 
diff --git a/chainlib/tx.py b/chainlib/tx.py
index 805238a..05c3a49 100644
--- a/chainlib/tx.py
+++ b/chainlib/tx.py
@@ -78,4 +78,7 @@ class TxResult(Src):
 
     def __init__(self, src):
         self.status = Status.UNKNOWN
-        super(TxResult, self).__init__(src)
+        self.tx_index = None
+        self.block_hash = None
+        self.fee_cost = 0
+        super(TxResult, self).__init__(src=src)