Method lookup

crates/core/src/host/host_controller.rs:84–86

(&self, program_hash: Hash)

    Fut: Future<Output = anyhow::Result<Option<Box<[u8]>>>> + Send,
{
    async fn lookup(&self, program_hash: Hash) -> anyhow::Result<Option<Box<[u8]>>> {
        self(program_hash).await
    }
}

pub type ProgramStorage = Arc<dyn ExternalStorage>;