Trait tetsy_hash_fetch::HashFetch

pub trait HashFetch: Send + Sync + 'static {
    fn fetch(
        &self, 
        hash: H256, 
        abort: Abort, 
        on_done: Box<dyn Fn(Result<PathBuf, Error>) + Send>
    );
}

API for fetching by hash.

Required methods

fn fetch(
    &self,
    hash: H256,
    abort: Abort,
    on_done: Box<dyn Fn(Result<PathBuf, Error>) + Send>
)

Fetch hash-addressed content. Parameters:

1. hash - content hash
2. on_done - callback function invoked when the content is ready (or there was error during fetch)

This function may fail immediately when fetch cannot be initialized or content cannot be resolved.

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Implementors

impl<F: Fetch + 'static> HashFetch for Client<F>

fn fetch(
    &self,
    hash: H256,
    abort: Abort,
    on_done: Box<dyn Fn(Result<PathBuf, Error>) + Send>
)

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