Module headers

The collection of algorithms for downloading block headers.

Modules

• noop
  A header downloader that does nothing. Useful to build unwind-only pipelines.
• reverse_headers
  A Linear downloader implementation. A headers downloader that can handle multiple requests concurrently.
• task
  A downloader implementation that spawns a downloader to a task
• test_utilstest-utils
  Test helper impls for generating bodies