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In the examples I've seen so far I can see that all the [pallet::*] definitions are within the #[frame_support::pallet] module.

Is there any way we can split these into separate modules? For example would it be possible to create a storage.rs module and add the storages there like so

#[pallet::storage]
pub(super) type TotalSupply<T: crate::Config> = StorageValue<_, u64, ValueQuery>;

The issue I'm facing is that I can't seem to find how to import the pallet::storage macro.

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  • Can you describe what you want to do a bit more concretely and why?
    – Nuke
    Commented Jun 29, 2022 at 4:53
  • @DanShields I think he wants to have a file (not lib.rs) where he can put all the #[pallet::storage] definitions. I think its not possible, or at least I was not able to do so, but sometimes you can have a lot of storage items, so it would be nice to move everything that is not an extrinsic outside of the lib.rs
    – andresvsm
    Commented Jun 30, 2022 at 5:58
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    Exactly what @andresvsm wrote. Basically have more flexibility in terms of how you want to structure your code base.
    – ppoliani
    Commented Jun 30, 2022 at 7:31
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    @ppoliani Although my lib.rs file is quite big, I have moved out auxiliar functions (the ones that are not under #[pallet::call]), custom data structures, custom enums and of course, tests, mocks and benchmarks. But I'm not sure you can remove things that are declared within the pub mod pallet {...} scope
    – andresvsm
    Commented Jun 30, 2022 at 10:34
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    @andresvsm that's cool. I did the same exact thing as well
    – ppoliani
    Commented Jun 30, 2022 at 18:40

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For example would it be possible to create a storage.rs module and add the storages there like so

I think the answer is no. You can't split #[pallet::storage] from pallet module. When you go into the #[frame_support::pallet] macro's expand process, you'll see components in pallet are expanded as the whole.

The source code of expand pallet can be found here.

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