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I have this code in my contract:

require(msg.value == 0.06 ether);

But I want to replace 0.06 with a variable.
So I tried this:

uint256 price = 0.06;
require(msg.value == price ether);

But this doesn't work.

So does anyone know how to combine variables with an Ether unit suffix?

1

You can do this:

uint256 price = 0.06 ether;
require(msg.value == price);

You can't do uint256 price = 0.06 because uint256 is an integer type.

You could do something like this, I suppose:

uint256 percentage = 6;
require(msg.value == 1 ether * percentage / 100);

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