Struct RpcRecentBlockhashProvider 

pub struct RpcRecentBlockhashProvider { /* private fields */ }

Cached recent-blockhash provider sourced from a Solana JSON-RPC endpoint.

Implementations

impl RpcRecentBlockhashProvider

pub fn new(rpc_url: impl Into<String>) -> Result<Self, SubmitTransportError>

Creates a provider backed by one RPC endpoint using on-demand refresh.

Errors

Returns SubmitTransportError when the HTTP client cannot be built.

pub fn with_config( rpc_url: impl Into<String>, config: &RpcRecentBlockhashProviderConfig, ) -> Result<Self, SubmitTransportError>

Creates a provider with explicit request settings.

Errors

Returns SubmitTransportError when the HTTP client cannot be built.

pub async fn refresh(&self) -> Result<[u8; 32], SubmitTransportError>

Forces one refresh against the configured RPC endpoint and returns the cached value.

Errors

Returns SubmitTransportError if the RPC request fails or the response is invalid.

Trait Implementations

impl Clone for RpcRecentBlockhashProvider

fn clone(&self) -> RpcRecentBlockhashProvider

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for RpcRecentBlockhashProvider

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl RecentBlockhashProvider for RpcRecentBlockhashProvider

fn latest_blockhash(&self) -> Option<[u8; 32]>

Returns the newest blockhash bytes when available.