near_fetch::query

Struct QueryChunk

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pub struct QueryChunk<'a> { /* private fields */ }
Expand description

Query object used to query for chunk related details at a specific ChunkReference which consists of either a chunk CryptoHash, or a BlockShardId (which consists of ShardId and either block CryptoHash or BlockHeight).

The default behavior where a ChunkReference is not supplied will use a BlockShardId referencing the latest block CryptoHash with ShardId of 0.

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impl<'a> QueryChunk<'a>

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pub fn block_hash_and_shard(self, hash: CryptoHash, shard_id: ShardId) -> Self

Specify at which block hash and shard id to query the chunk from. Note that only archival networks will have the full history while networks like mainnet or testnet will only have the history from 5 or less epochs ago.

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pub fn block_height_and_shard( self, height: BlockHeight, shard_id: ShardId, ) -> Self

Specify at which block height and shard id to query the chunk from. Note that only archival networks will have the full history while networks like mainnet or testnet will only have the history from 5 or less epochs ago.

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pub fn chunk_hash(self, hash: CryptoHash) -> Self

Specify at which chunk hash to query the chunk from.

Trait Implementations§

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impl<'a> IntoFuture for QueryChunk<'a>

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type Output = Result<ChunkView, Error>

The output that the future will produce on completion.
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type IntoFuture = Pin<Box<dyn Future<Output = <QueryChunk<'a> as IntoFuture>::Output> + Send + 'a>>

Which kind of future are we turning this into?
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fn into_future(self) -> Self::IntoFuture

Creates a future from a value. Read more

Auto Trait Implementations§

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impl<'a> Freeze for QueryChunk<'a>

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impl<'a> !RefUnwindSafe for QueryChunk<'a>

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impl<'a> Send for QueryChunk<'a>

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impl<'a> Sync for QueryChunk<'a>

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impl<'a> Unpin for QueryChunk<'a>

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impl<'a> !UnwindSafe for QueryChunk<'a>

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