fixed object handling issue and complicated stuff

Signed-off-by: Jürgen Eckel <juergen@riddleandcode.com>

planetmint/lib.py

@@ -328,7 +328,7 @@ class Planetmint(object):
 
         if block:
             transactions = backend.query.get_transactions(self.connection, block["transactions"])
-            result["transactions"] = [t.to_dict() for t in self.tx_from_db(transactions)]
+            result["transactions"] = [ Transaction.from_dict(t.to_dict()).to_dict() for t in transactions]
 
         return result
 
@@ -563,40 +563,6 @@ class Planetmint(object):
     def delete_elections(self, height):
         return backend.query.delete_elections(self.connection, height)
 
-    def tx_from_db(self, tx_dict_list):
-        """Helper method that reconstructs a transaction dict that was returned
-        from the database. It checks what asset_id to retrieve, retrieves the
-        asset from the asset table and reconstructs the transaction.
-
-        Args:
-            tx_dict_list (:list:`dict` or :obj:`dict`): The transaction dict or
-                list of transaction dict as returned from the database.
-
-        Returns:
-            :class:`~Transaction`
-
-        """
-        return_list = True
-        if isinstance(tx_dict_list, dict):
-            tx_dict_list = [tx_dict_list]
-            return_list = False
-
-        tx_map = {}
-        tx_ids = []
-        for tx in tx_dict_list:
-            tx.update({"metadata": None})
-            tx_map[tx["id"]] = tx
-            tx_ids.append(tx["id"])
-
-        if return_list:
-            tx_list = []
-            for tx_id, tx in tx_map.items():
-                tx_list.append(Transaction.from_dict(tx))
-            return tx_list
-        else:
-            tx = list(tx_map.values())[0]
-            return Transaction.from_dict(tx)
-
     # NOTE: moved here from Election needs to be placed somewhere else
     def get_validators_dict(self, height=None):
         """Return a dictionary of validators with key as `public_key` and