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Parachains session_info.rs to FrameV2 #3521

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Jul 31, 2021

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@ferrell-code ferrell-code commented Jul 27, 2021

relates: #2882

Following the upgrade guidelines here: https://crates.parity.io/frame_support/attr.pallet.html#upgrade-guidelines.

⚠️ Breaking Change ⚠️

From https://crates.parity.io/frame_support/attr.pallet.html#checking-upgrade-guidelines

storages now use PalletInfo for module_prefix instead of the one given to decl_storage: Thus any use of this pallet in construct_runtime! should be careful to update name in order not to break storage or to upgrade storage (moreover for instantiable pallet). If pallet is published, make sure to warn about this breaking change.

So users of the ParaSessionInfo pallet must be careful about the name they used in construct_runtime!. Hence the runtime-migration label, which might not be needed depending on the configuration of the ParaSessionInfo pallet.

kusama and westend use ParasSessionInfo in construct_runtime!, so I migrated them to ParaSessionInfo

rococo uses SessionInfo in construct_runtime! so I migrated it to ParaSessionInfo

polkadot does not use ParaSessionInfo.

@shawntabrizi shawntabrizi added B0-silent Changes should not be mentioned in any release notes C1-low PR touches the given topic and has a low impact on builders. D3-trivial 🧸 PR contains trivial changes in a runtime directory that do not require an audit. labels Jul 31, 2021
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bot merge

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ghost commented Jul 31, 2021

Waiting for commit status.

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ghost commented Jul 31, 2021

Merge aborted: Checks failed for 05e7075

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bot merge

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ghost commented Jul 31, 2021

Waiting for commit status.

@ghost ghost merged commit d0ac4ab into paritytech:master Jul 31, 2021
@ferrell-code ferrell-code deleted the fer-session_info branch July 31, 2021 19:00
ordian added a commit that referenced this pull request Aug 2, 2021
* master:
  Companion PR for warp sync support. (#3382)
  Companion for #9373 (Refactor Benchmarks for Wasm Memory) (#3549)
  XCM simulator (#3538)
  Parachains scheduler.rs to FrameV2 (#3529)
  Parachains session_info.rs to FrameV2 (#3521)
  Companion for substrate #9319 (#3456)
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