Fix: delete arg

cellframenet.py

@@ -128,7 +128,7 @@ class CellframeBaseTransactionDatum:
             tiker = str(self.tx_token().ticker)
             hf = HashFast.fromString(str(self.tx_token().tokenEmissionHash))
             ledger = self.net.getLedger()   
-            ems = ledger.tokenEmissionFind(tiker, hf)
+            ems = ledger.tokenEmissionFind(hf)
             if not ems:
                 return None
             self.emission_ = CellframeEmission(ems)