Register to contract details
        https://www.interactivebrokers.com/en/software/api/apiguide/java/reqcontractdetails.htm

def requestContractDetails(self, contract):
        """
        Register to contract details
        https://www.interactivebrokers.com/en/software/api/apiguide/java/reqcontractdetails.htm
        """
        self.ibConn.reqContractDetails(self.tickerId(contract), contract)