Do not force collators to update after enabling async backing (#1920)
The validators are checking if async backing is enabled by checking the version of the runtime api. If the runtime api is upgraded by a runtime upgrade, the validators start to also enable the async backing logic. However, just because async backing is enabled, it doesn't mean that all collators and parachain runtimes have upgraded. This pull request fixes an issue about advertising collations to the relay chain when it has async backing enabled, but the collator is still using the old networking protocol. The implementation is actually backwards compatible as we can not expect that everyone directly upgrades. However, the collation advertisement logic was requiring V2 networking messages after async backing was enabled, which was wrong. This is now fixed by this pull request. Closes: https://github.com/paritytech/polkadot-sdk/issues/1923 --------- Co-authored-by: eskimor <[email protected]>
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