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Add BoundedBTreeMap to frame_support::storage #8745

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May 6, 2021
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coriolinus
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@coriolinus coriolinus commented May 6, 2021

Part of #8719.

Tests forthcoming implemented.

@coriolinus coriolinus added A0-please_review Pull request needs code review. 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. D5-nicetohaveaudit ⚠️ PR contains trivial changes to logic that should be properly reviewed. labels May 6, 2021
@coriolinus coriolinus self-assigned this May 6, 2021
@coriolinus coriolinus mentioned this pull request May 6, 2021
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@shawntabrizi
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Initial review looks good 👍

}
}

impl<K, V, S> Default for BoundedBTreeMap<K, V, S>
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Can't you use DefaultNoBound and similar?

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No, unfortunately; I didn't look into the root cause in much detail, but when I attempted it, it seemed that that macro doesn't produce appropriate bounds for this case; it just generated a bunch of compile errors. The manual implementation was simple enough anyway.

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bot merge

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ghost commented May 6, 2021

Trying merge.

@ghost ghost merged commit f78e1ed into master May 6, 2021
@ghost ghost deleted the prgn-bounded-btree-map branch May 6, 2021 13:54
@jakoblell jakoblell added D1-audited 👍 PR contains changes to fund-managing logic that has been properly reviewed and externally audited and removed D5-nicetohaveaudit ⚠️ PR contains trivial changes to logic that should be properly reviewed. labels May 31, 2021
nazar-pc pushed a commit to autonomys/substrate that referenced this pull request Aug 8, 2021
* Add `BoundedBTreeMap` to `frame_support::storage`

Part of paritytech#8719.

* max_encoded_len will never encode length > bound

* requiring users to maintain an unchecked invariant is unsafe

* only impl debug when std

* add some marker traits

* add tests
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4 participants