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Move PalletVersion away from the crate version (#9165)

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* Move `PalletVersion` away from the crate version

Before this pr, `PalletVersion` was referring to the crate version that
hosted the pallet. This pr introduces a custom `package.metadata.frame`
section in the `Cargo.toml` that can contain a `pallet-version` key
value pair. While the value is expected to be a valid u16. If this
key/value pair isn't given, the version is set to 1.

It also changes the `PalletVersion` declaration. We now only have one
`u16` that represents the version. Not a major/minor/patch version. As
the old `PalletVersion` was starting with the `u16` major, decoding the
old values will work.

* Overhaul the entire implementation

- Drop PalletVersion
- Introduce StorageVersion
- StorageVersion needs to be set in the crate and set for the macros
- Added migration

* Fix migrations

* Review feedback

* Remove unneeded dep

* remove pub consts

* Brings back logging and implements `GetStorageVersion`

* Return weight from migration

* Fmt and remove unused import

* Update frame/support/src/dispatch.rs

Co-authored-by: Guillaume Thiolliere <gui.thiolliere@gmail.com>

* Update frame/support/src/traits/metadata.rs

Co-authored-by: Guillaume Thiolliere <gui.thiolliere@gmail.com>

Co-authored-by: Guillaume Thiolliere <gui.thiolliere@gmail.com>
This commit is contained in:
Bastian Köcher
2021-07-27 23:21:27 +02:00
committed by GitHub
parent 988c399983
commit 4fe55f0bcb
24 changed files with 550 additions and 657 deletions
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substrate/frame/support/procedural/src/lib.rs
-8
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@@ -26,7 +26,6 @@ mod default_no_bound;
mod dummy_part_checker;
mod key_prefix;
mod pallet;
mod pallet_version;
mod partial_eq_no_bound;
mod storage;
mod transactional;
@@ -461,13 +460,6 @@ pub fn require_transactional(attr: TokenStream, input: TokenStream) -> TokenStre
.unwrap_or_else(|e| e.to_compile_error().into())
}
#[proc_macro]
pub fn crate_to_pallet_version(input: TokenStream) -> TokenStream {
pallet_version::crate_to_pallet_version(input)
.unwrap_or_else(|e| e.to_compile_error())
.into()
}
/// The number of module instances supported by the runtime, starting at index 1,
/// and up to `NUMBER_OF_INSTANCE`.
pub(crate) const NUMBER_OF_INSTANCE: u8 = 16;