Initialise currencies

handler/sinks/__init__.py

@@ -19,6 +19,7 @@ class Sinks(util.Base):
     def __init__(self):
         super().__init__()
         self.account_info = {}
+        self.currencies = []
 
     def __irc_started__(self):
         self.startup()

handler/sinks/nordigen.py

@@ -353,7 +353,6 @@ class Nordigen(util.Base):
                 # No transaction ID. This is a problem for our implementation
 
                 tx_hash = sha256(dumps(transaction, sort_keys=True).encode("utf8")).hexdigest()
-                print("tx_hash", tx_hash)
                 transaction["transaction_id"] = tx_hash
 
             # Rename timestamp