chainHead based backend implementation (#1161)

* add follow_stream impl

* follow_stream_unpin first draft

* add tests for follow_stream_unpin

* more tests and fixes for follow_stream_unpin

* first pass follow_stream_driver

* follow_stream_driver: add tests, fix things, buffer events from last finalized

* First pass finishing Backend impl

* Fix test compile issues

* clippy fixes

* clippy fix and consistify light_client

* revert lightclient tweak

* revert other lightclient thing

* cargo fmt

* start testing unstable backend behind feature flag

* more test fixes and move test-runtime metadata path just incase

* fix compile error

* ensure transaction progress stream actually used and fix another test

* cargo fmt

* CI tweak

* improve some comments and address some feedback bits

* update CI to use our own nightly binary

* wait for finalized block perhaps
This commit is contained in:
James Wilson
2023-09-26 16:58:30 +01:00
committed by GitHub
parent 00cce68371
commit cf7e2db1b7
43 changed files with 2682 additions and 250 deletions
@@ -40,11 +40,6 @@ type Client = LightClient<PolkadotConfig>;
// Check that we can subscribe to non-finalized blocks.
async fn non_finalized_headers_subscription(api: &Client) -> Result<(), subxt::Error> {
let mut sub = api.blocks().subscribe_best().await?;
let header = sub.next().await.unwrap()?;
let block_hash = header.hash();
let current_block_hash = api.backend().latest_best_block_ref().await.unwrap().hash();
assert_eq!(block_hash, current_block_hash);
let _block = sub.next().await.unwrap()?;
let _block = sub.next().await.unwrap()?;