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[RPC-Spec-V2] Storage: Add support for storage closest merkle descendant #14550 #1506

Closed
Tracked by #1516
lexnv opened this issue Sep 12, 2023 · 1 comment · Fixed by #1153
Closed
Tracked by #1516

[RPC-Spec-V2] Storage: Add support for storage closest merkle descendant #14550 #1506

lexnv opened this issue Sep 12, 2023 · 1 comment · Fixed by #1153
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I5-enhancement An additional feature request.

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@lexnv
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lexnv commented Sep 12, 2023

Fetch the Merkel value of the provided key when using the closest-descendant-merkle-value param.
When the key is not present in the trie, the Merkle value of the closest descendant must be returned.

From spec: https://github.com/paritytech/json-rpc-interface-spec/blob/main/src/api/chainHead_unstable_storage.md

If the type of an item is closest-descendant-merkle-value, then the so-called trie Merkle value of the key can be found in the result. If key doesn't exist in the trie, then the Merkle value of the closest descendant of key (including branch nodes) is provided. If key doesn't have any descendant in the trie, then the result will not contain any relevant item.

@paritytech/subxt-team

From: paritytech/substrate#14550
@lexnv lexnv added the I5-enhancement An additional feature request. label Sep 12, 2023
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lexnv commented Sep 12, 2023

Since this issue is the last remaining bit of work for back-porting the chainHead, the following are not migrated:

This was referenced Sep 12, 2023
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lexnv added a commit that referenced this issue Sep 18, 2023
@lexnv @skunert
chainHead: Add support for storage closest merkle descendant #14818 (#…
5d34664 
…1153)

This PR adds support for fetching the closest merkle value of some key.


Builds on top of
- paritytech/trie#199

Migrates paritytech/substrate#14818 to the
monorepo.
Closes: paritytech/substrate#14550
Closes: #1506

// @paritytech/subxt-team

---------

Signed-off-by: Alexandru Vasile <[email protected]>
Co-authored-by: Sebastian Kunert <[email protected]>
bgallois pushed a commit to duniter/duniter-polkadot-sdk that referenced this issue Mar 25, 2024
@lexnv @skunert
chainHead: Add support for storage closest merkle descendant #14818 (p…
a5a37f8 
…aritytech#1153)

This PR adds support for fetching the closest merkle value of some key.


Builds on top of
- paritytech/trie#199

Migrates paritytech/substrate#14818 to the
monorepo.
Closes: paritytech/substrate#14550
Closes: paritytech#1506

// @paritytech/subxt-team

---------

Signed-off-by: Alexandru Vasile <[email protected]>
Co-authored-by: Sebastian Kunert <[email protected]>
bkchr pushed a commit that referenced this issue Apr 10, 2024
@nuke-web3 @bkchr
rm substrate.dev homepage (#1506)
e9d7adf 
new docs page
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chainHead: Add support for storage closest merkle descendant #14818 paritytech/polkadot-sdk
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