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Consider checking whether parachain has a slot at initialization #1431

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tomaka opened this issue Oct 12, 2021 · 1 comment
Open

Consider checking whether parachain has a slot at initialization #1431

tomaka opened this issue Oct 12, 2021 · 1 comment

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@tomaka
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tomaka commented Oct 12, 2021

When the user adds a parachain chain spec, this chain spec contains a relay chain and a para_id.

Right now, as long as the relay chain is valid, then the chain initialization succeeds.
Instead, we should consider syncing the relay chain and calling ParachainHost_persisted_validation_data to check whether the parachain indeed has a slot.
@tomaka tomaka mentioned this issue Oct 17, 2021
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tomaka commented Oct 21, 2021

The difficulty in this issue is that add_chain is currently a synchronous method, and it would need to become asynchronous.
This requires some refactoring of the FFI layer.

@tomaka tomaka mentioned this issue Feb 9, 2023
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