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light client tests: use ChainheadBackendBuilder::build_with_background_driver #1823

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merged 3 commits into from
Oct 14, 2024
Merged

light client tests: use ChainheadBackendBuilder::build_with_background_driver #1823

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5bc065c
backend rpc tests: use background task
niklasad1 Oct 11, 2024
8451f98
fix build
niklasad1 Oct 14, 2024
5d85972
Merge branch 'master' into na-client-tests-use-background-task
niklasad1 Oct 14, 2024
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20 changes: 3 additions & 17 deletions testing/integration-tests/src/light_client/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,6 @@

use crate::utils::node_runtime;
use codec::Compact;
use futures::StreamExt;
use std::sync::Arc;
use subxt::backend::chain_head::ChainHeadBackend;
use subxt::backend::rpc::RpcClient;
Expand Down Expand Up @@ -178,27 +177,14 @@ async fn run_test(backend: BackendType) -> Result<(), subxt::Error> {
// .unwrap();
// let chain_config = chainspec.get();

tracing::trace!("Init light clinet");
tracing::trace!("Init light client");
let now = std::time::Instant::now();
let (_lc, rpc) = LightClient::relay_chain(POLKADOT_SPEC)?;

let api = match backend {
BackendType::Unstable => {
let (backend, mut driver) = ChainHeadBackend::builder().build(RpcClient::new(rpc));
tokio::spawn(async move {
while let Some(val) = driver.next().await {
if let Err(e) = val {
if e.is_disconnected_will_reconnect() {
tracing::info!(
"The RPC connection was lost and we may have missed a few blocks"
);
continue;
}

tracing::error!("Error driving unstable backend: {e}");
}
}
});
let backend =
ChainHeadBackend::builder().build_with_background_driver(RpcClient::new(rpc));
let api: OnlineClient<PolkadotConfig> =
OnlineClient::from_backend(Arc::new(backend)).await?;
api
Expand Down
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