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Paged keys rpc for child storage. (#9100)

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* childstate_getKeysPaged rpc

* Rename `v` to `iter`.

* Update client/api/src/backend.rs

Co-authored-by: Alexander Popiak <alexander.popiak@gmail.com>

* Update client/api/src/backend.rs

Co-authored-by: Alexander Popiak <alexander.popiak@gmail.com>

Co-authored-by: Alexander Popiak <alexander.popiak@gmail.com>
This commit is contained in:
cheme
2021-07-07 09:22:13 +02:00
committed by GitHub
parent fc1199b6a1
commit d80e1bc978
7 changed files with 151 additions and 9 deletions
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substrate/client/service/src/client/client.rs
+14 -1
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@@ -1481,7 +1481,6 @@ impl<B, E, Block, RA> StorageProvider<Block, B> for Client<B, E, Block, RA> wher
Ok(keys)
}
fn storage_keys_iter<'a>(
&self,
id: &BlockId<Block>,
@@ -1496,6 +1495,20 @@ impl<B, E, Block, RA> StorageProvider<Block, B> for Client<B, E, Block, RA> wher
Ok(KeyIterator::new(state, prefix, start_key))
}
fn child_storage_keys_iter<'a>(
&self,
id: &BlockId<Block>,
child_info: ChildInfo,
prefix: Option<&'a StorageKey>,
start_key: Option<&StorageKey>
) -> sp_blockchain::Result<KeyIterator<'a, B::State, Block>> {
let state = self.state_at(id)?;
let start_key = start_key
.or(prefix)
.map(|key| key.0.clone())
.unwrap_or_else(Vec::new);
Ok(KeyIterator::new_child(state, child_info, prefix, start_key))
}
fn storage(
&self,