    function setPrecisionMultiplier(uint256 multipliers) external {
        swapStorage.tokenPrecisionMultipliers[0] = multipliers; 
    }
    print(swap.functions.getVirtualPrice().call())
    swap.functions.setPrecisionMultiplier(2).transact()
    print(swap.functions.getVirtualPrice().call())

# output log:
#   1000000000000000000
#   1499889859738721606
