Struct near_fetch::query::QueryChunk

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

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.

Implementations

impl<'a> QueryChunk<'a>

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.

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.

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

Specify at which chunk hash to query the chunk from.

Trait Implementations

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

type Output = Result<ChunkView, Error>

The output that the future will produce on completion.

type IntoFuture = Pin<Box<dyn Future<Output = <QueryChunk<'a> as IntoFuture>::Output> + Send + 'a>>

Which kind of future are we turning this into?

fn into_future(self) -> Self::IntoFuture

Creates a future from a value.