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