def METHOD_NAME():
    if chain == "kint":
        return Oracle(KSM_URL, "KSM")
    elif chain == "intr":
        return Oracle(INTR_URL, "DOT")
    elif chain == "testnet_kint":
        return Oracle(TESTNET_KINT, "KSM")
    elif chain == "testnet_intr":
        return Oracle(TESTNET_INTR, "DOT")
    else:
        abort(404)