        if (futureTargetPricePrecise < initialTargetPricePrecise) {
            require(
                futureTargetPricePrecise.mul(MAX_RELATIVE_PRICE_CHANGE).div(WEI_UNIT) >= initialTargetPricePrecise,
                "futureTargetPrice_ is too small"
            );
        } else {
            require(
                futureTargetPricePrecise <= initialTargetPricePrecise.mul(MAX_RELATIVE_PRICE_CHANGE).div(WEI_UNIT),
                "futureTargetPrice_ is too large"
            );
        }
    p1, p2, _, _ =swap.functions.targetPriceStorage().call()
    future = w3.eth.getBlock(w3.eth.block_number)['timestamp'] + 200 * 24 * 3600

    # futureTargetPrice_ is too small
    swap.functions.rampTargetPrice(p1 -1, future).transact()
    # futureTargetPrice_ is too large
    swap.functions.rampTargetPrice(p1 + 1, future).transact()
        if (futureTargetPricePrecise < initialTargetPricePrecise) {
            require(
                futureTargetPricePrecise.mul(MAX_RELATIVE_PRICE_CHANGE + WEI_UNIT).div(WEI_UNIT) >= initialTargetPricePrecise,
                "futureTargetPrice_ is too small"
            );
        } else {
            require(
                futureTargetPricePrecise <= initialTargetPricePrecise.mul(MAX_RELATIVE_PRICE_CHANGE + WEI_UNIT).div(WEI_UNIT),
                "futureTargetPrice_ is too large"
            );
        }
