Module download 

Support for downloading blocks on demand for live sync. Handler that can download blocks on demand (e.g. from the network).

Structs

BasicBlockDownloader

Basic BlockDownloader.

NoopBlockDownloader

A BlockDownloader that does nothing.

Enums

DownloadAction

Actions that can be performed by the block downloader.

DownloadOutcome

Outcome of downloaded blocks.

Traits

BlockDownloader

A trait that can download blocks on demand.