fetch more storage keys than the maximum limit set by substrate #602
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Niederb
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Jul 3, 2023
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I'm not quite sure if it makes sense to have get_all_storage_keys_paged_up_to_count as a separate function. It can do everything that get_storage_keys_paged can, so for me it should become the new get_storage_keys_paged and get_storage_keys_paged could become an internal helper method.
haerdib
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Jul 3, 2023
We provide both methods. See: #588 (comment) |
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July 4, 2023 10:37
…f keys, independantly of substrate limit
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haerdib
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haerdib
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| /// If `start_key` is passed, return next keys in storage in lexicographic order. | ||
| /// | ||
| /// `at_block`: the state is queried at this block, set to `None` to get the state from the latest known block. | ||
| // See https://github.com/paritytech/substrate/blob/9f6fecfeea15345c983629af275b1f1702a50004/client/rpc/src/state/mod.rs#L54 |
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Add get_all_storage_keys_paged_up_to_count to fetch required number of keys, independantly of substrate limit:
The default call, get_storage_keys_paged performs according to substrate: if required number of keys> 1000, an error is thrown. The documentation warns the user.
This does not completely fix #588. To fetch all pages, you need to know how many keys are stored. Currently,
countis mandatory instate_getKeysPagedand substrate doesn't support the feature for obtaining all keys.