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Make sure pallet versions are set at genesis (#7451)

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* Make sure pallet versions are set at genesis

This pr ensures that pallet versions are also set at genesis. It does
this by hooking into the runtime `GenesisConfig` which means that it
will only work when the storage is setup using this genesis config. So,
the version will not be set in pallet local tests. However, I think this
isn't such a problem. The genesis config will call `on_genesis` on all
pallets. This function comes from the new trait `OnGenesis`. Currently
the user is not able to provide any custom implementation of this trait.

Besides that it also implements `Clone` and `Copy` for the pallet
version struct.

This pr also moves the macro for generating the runtime genesis config
to `frame-support` as most of the other FRAME related macros.

* Reduce line width

* Update frame/support/src/traits.rs

Co-authored-by: Alexander Popiak <alexander.popiak@parity.io>

Co-authored-by: Alexander Popiak <alexander.popiak@parity.io>
This commit is contained in:
Bastian Köcher
2020-10-29 20:20:08 +01:00
committed by GitHub
parent a5ec7e5c4e
commit e1b56f8dd3
7 changed files with 218 additions and 129 deletions
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substrate/frame/support/test/tests/pallet_version.rs
+17 -2
View File
@@ -20,9 +20,9 @@
#![recursion_limit="128"]
use codec::{Decode, Encode};
use sp_runtime::{generic, traits::{BlakeTwo256, Block as _, Verify}};
use sp_runtime::{generic, traits::{BlakeTwo256, Block as _, Verify}, BuildStorage};
use frame_support::{
traits::{PALLET_VERSION_STORAGE_KEY_POSTFIX, PalletVersion, OnRuntimeUpgrade},
traits::{PALLET_VERSION_STORAGE_KEY_POSTFIX, PalletVersion, OnRuntimeUpgrade, GetPalletVersion},
crate_to_pallet_version, weights::Weight,
};
use sp_core::{H256, sr25519};
@@ -173,3 +173,18 @@ fn on_runtime_upgrade_overwrites_old_version() {
check_pallet_version("Module2_2");
});
}
#[test]
fn genesis_init_puts_pallet_version_into_storage() {
let storage = GenesisConfig::default().build_storage().expect("Builds genesis storage");
sp_io::TestExternalities::new(storage).execute_with(|| {
check_pallet_version("Module1");
check_pallet_version("Module2");
check_pallet_version("Module2_1");
check_pallet_version("Module2_2");
let system_version = System::storage_version().expect("System version should be set");
assert_eq!(System::current_version(), system_version);
});
}