* Move import queue out of `sc-network`
Add supplementary asynchronous API for the import queue which means
it can be run as an independent task and communicated with through
the `ImportQueueService`.
This commit removes removes block and justification imports from
`sc-network` and provides `ChainSync` with a handle to import queue so
it can import blocks and justifications. Polling of the import queue is
moved complete out of `sc-network` and `sc_consensus::Link` is
implemented for `ChainSyncInterfaceHandled` so the import queue
can still influence the syncing process.
* Fix tests
* Apply review comments
* Apply suggestions from code review
Co-authored-by: Bastian Köcher <git@kchr.de>
* Update client/network/sync/src/lib.rs
Co-authored-by: Bastian Köcher <git@kchr.de>
Co-authored-by: Bastian Köcher <git@kchr.de>
* Introduce `ChainSyncInterface`
`ChainSyncInterface` provides an asynchronous interface for other
subsystems to submit calls to `ChainSync`. This allows `NetworkService`
to delegate calls to `ChainSync` while still providing the same API
for other subsystems (for now). This makes it possible to move the
syncing code in piecemeal fashion out of `protocol.rs` as the calls
are just forwarded to `ChainSync`.
* Apply review comments
* Fix tests
* Introduce mockable `ChainSync` object for testing
`mockall` allows to mock `ChainSync` and to verify that the calls made
to `ChaiSync` are firstly executed at all, that they're executed in
correct order and with correct parameters.
This allows to verify, e.g., that delegating calls directly to
`ChainSync` from `NetworkService` still calls the correct functions with
correct arguments even if `Protocol` middleman is removed.
* Add Cargo.lock
* Fix tests
* Update client/network/Cargo.toml
Co-authored-by: Bastian Köcher <git@kchr.de>
* Update Cargo.lock
* Fix clippy and documentation
Co-authored-by: Bastian Köcher <git@kchr.de>
Co-authored-by: parity-processbot <>
Aaro Altonen