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Low level streams impl

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Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>
This commit is contained in:
Alexandru Vasile
2023-06-07 15:42:01 +03:00
parent e754e2d562
commit e11604411d
2 changed files with 425 additions and 132 deletions
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testing/wasm-tests/tests/wasm.rs
+36 -12
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@@ -4,6 +4,9 @@ use subxt::config::PolkadotConfig;
use subxt::rpc::LightClient;
use wasm_bindgen_test::*;
use std::sync::Arc;
use serde_json::value::RawValue;
use subxt::rpc::RpcClientT;
use subxt::rpc::Subscription;
wasm_bindgen_test::wasm_bindgen_test_configure!(run_in_browser);
@@ -14,15 +17,15 @@ fn init_tracing() {
tracing_wasm::set_as_global_default();
}
#[wasm_bindgen_test]
async fn wasm_ws_transport_works() {
let client = subxt::client::OnlineClient::<PolkadotConfig>::from_url("ws://127.0.0.1:9944")
.await
.unwrap();
// #[wasm_bindgen_test]
// async fn wasm_ws_transport_works() {
// let client = subxt::client::OnlineClient::<PolkadotConfig>::from_url("ws://127.0.0.1:9944")
// .await
// .unwrap();
let chain = client.rpc().system_chain().await.unwrap();
assert_eq!(&chain, "Development");
}
// let chain = client.rpc().system_chain().await.unwrap();
// assert_eq!(&chain, "Development");
// }
#[wasm_bindgen_test]
async fn light_client_transport_works() {
@@ -32,11 +35,32 @@ async fn light_client_transport_works() {
let light_client = LightClient::new(include_str!("../../../artifacts/dev_spec.json")).unwrap();
tracing::warn!("RPC layer created..");
let client = subxt::client::OnlineClient::<PolkadotConfig>::from_rpc_client(Arc::new(light_client)).await.unwrap();
// Note: It is impractical to construct a full subxt `OnlineClient` because the
// light-client must sync with the tip of the chain to fetch the Runtime Version
// needed by subxt.
// The default wasm-bindgen test timeout is 20 seconds, tested locally the
// client does not sync in time with WASM_BINDGEN_TEST_TIMEOUT=1000 (around 16 seconds).
tracing::warn!("Client Created");
// Test raw RPC method calls.
let chain = light_client.request_raw("system_chain", None).await.unwrap();
let chain: String = serde_json::from_str(chain.get()).unwrap();
assert_eq!(&chain, "Development");
let param = RawValue::from_string("[0]".to_owned()).expect("Should be valid JSON");
let genesis = light_client.request_raw("chain_getBlockHash", Some(param)).await.unwrap();
let genesis: String = serde_json::from_str(genesis.get()).unwrap();
assert!(genesis.starts_with("0x"));
tracing::warn!("Genesis hash {:?}", genesis);
// let chain = client.rpc().system_chain().await.unwrap();
// assert_eq!(&chain, "Development");
// Ensure light-client functions with subscriptions.
let sub = light_client.subscribe_raw("chain_subscribeAllHeads", None, "chain_unsubscribeAllHeads").await.unwrap();
// The subscription result is actually a PolkadotConfig::Header, we are interested in iteration.
let mut sub: Subscription<String> = Subscription::new(sub);
let block = sub.next().await.expect("Subscription failed").expect("Subscription ended");
tracing::warn!("Block hash {:?}", block);
let block = sub.next().await.expect("Subscription failed").expect("Subscription ended");
tracing::warn!("Block hash {:?}", block);
}