On iOS, what is the correct way to convert the SkProduct.price (which is an NSDecimalNumber) to the int32 required by ValidateIOSReceipt? I assume simply multiplying by 100 is not going to be safe for all currencies.
One hax0ry way may be to format it to a string, remove any periods or commas, then parsing as integer? There must be a better way that I'm not aware of.
Actually, it's almost universally "multiply by 100". The list of currently circulating currencies is here: https://en.wikipedia.org/wiki/List_of_circulating_currencies. The way to get the currency to the correct value is to multiply by the "Number to basic", which is 100 for most practically every currency in circulation.
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