> Blockquote[quote="Zongpei_Jiang, post:6, topic:4607"]
I agree with that . Just map all the `uint8[]` to `bytes[]` instead of `list[]` may cause other problems since some algorithms are designed using the `msg.data` as `list` in python .
[/quote]
I still think that using `bytes` rather than `list[byte]` would be a good move (at least from IDL `byte[]` types, if not for `uint8[]` types). Yes, it would be a breaking change, but it would be a _good_ breaking change and most dependent code would be very easy to update (and likely get a nice speed boost).
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