polymesh_api_client::storage

Struct StoragePaged

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pub struct StoragePaged<K, V> { /* private fields */ }
Expand description

Query chain map/double map storage with a common prefix.

The state_getKeysPaged API is used to get batches of keys.

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impl<K: Decode, V: Decode> StoragePaged<K, V>

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pub fn new( client: &Client, prefix: StorageKey, key_hash_len: Option<usize>, at: Option<BlockHash>, ) -> Self

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pub fn batch_size(self, batch_size: usize) -> Self

Change the batch_size (default is 10).

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pub fn entries(self) -> impl Stream<Item = Result<(K, Option<V>)>>

Async stream to get key/value pairs.

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pub fn keys(self) -> impl Stream<Item = Result<K>>

Async stream to get only keys.

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pub fn values(self) -> impl Stream<Item = Result<Option<V>>>

Async stream to get only values.

Auto Trait Implementations§

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impl<K, V> Freeze for StoragePaged<K, V>

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impl<K, V> !RefUnwindSafe for StoragePaged<K, V>

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impl<K, V> Send for StoragePaged<K, V>
where K: Send, V: Send,

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impl<K, V> Sync for StoragePaged<K, V>
where K: Sync, V: Sync,

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impl<K, V> Unpin for StoragePaged<K, V>
where K: Unpin, V: Unpin,

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impl<K, V> !UnwindSafe for StoragePaged<K, V>

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impl<T> Any for T
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