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Allow to specify multiple relay chain RPC urls for collator node (#1880)

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* Allow specification of multiple urls for relay chain rpc nodes

* Add pooled RPC client basics

* Add list of clients to pooled client

* Improve

* Forward requests to dispatcher

* Switch clients on error

* Implement rotation logic

* Improve subscription handling

* Error handling cleanup

* Remove retry from rpc-client

* Improve naming

* Improve documentation

* Improve `ClientManager` abstraction

* Adjust zombienet test

* Add more comments

* fmt

* Apply reviewers comments

* Extract reconnection to extra method

* Add comment to reconnection method

* Clean up some dependencies

* Fix build

* fmt

* Provide alias for cli argument

* Apply review comments

* Rename P* to Relay*

* Improve zombienet test

* fmt

* Fix zombienet sleep

* Simplify zombienet test

* Reduce log clutter and fix starting position

* Do not distribute duplicated imported and finalized blocks

* fmt

* Apply code review suggestions

* Move building of relay chain interface to `cumulus-client-service`

* Refactoring to not push back into channel

* FMT
This commit is contained in:
Sebastian Kunert
2022-12-15 11:42:07 +01:00
committed by GitHub
parent 50f212d8c0
commit 7cab12e9d2
22 changed files with 720 additions and 428 deletions
Download Patch File Download Diff File Expand all files Collapse all files
cumulus/client/relay-chain-minimal-node/src/blockchain_rpc_client.rs
+2 -2
View File
@@ -363,13 +363,13 @@ impl BlockChainRpcClient {
pub async fn import_notification_stream(
&self,
) -> RelayChainResult<Pin<Box<dyn Stream<Item = Header> + Send>>> {
Ok(self.rpc_client.get_imported_heads_stream().await?.boxed())
Ok(self.rpc_client.get_imported_heads_stream()?.boxed())
}
pub async fn finality_notification_stream(
&self,
) -> RelayChainResult<Pin<Box<dyn Stream<Item = Header> + Send>>> {
Ok(self.rpc_client.get_finalized_heads_stream().await?.boxed())
Ok(self.rpc_client.get_finalized_heads_stream()?.boxed())
}
}
cumulus/client/relay-chain-minimal-node/src/collator_overseer.rs
+16 -4
View File
@@ -223,8 +223,14 @@ async fn forward_collator_events(
f = finality.next() => {
match f {
Some(header) => {
tracing::info!(target: "minimal-polkadot-node", "Received finalized block via RPC: #{} ({})", header.number, header.hash());
let block_info = BlockInfo { hash: header.hash(), parent_hash: header.parent_hash, number: header.number };
tracing::info!(
target: "minimal-polkadot-node",
"Received finalized block via RPC: #{} ({} -> {})",
header.number,
header.parent_hash,
header.hash()
);
let block_info = BlockInfo { hash: header.hash(), parent_hash: header.parent_hash, number: header.number };
handle.block_finalized(block_info).await;
}
None => return Err(RelayChainError::GenericError("Relay chain finality stream ended.".to_string())),
@@ -233,8 +239,14 @@ async fn forward_collator_events(
i = imports.next() => {
match i {
Some(header) => {
tracing::info!(target: "minimal-polkadot-node", "Received imported block via RPC: #{} ({})", header.number, header.hash());
let block_info = BlockInfo { hash: header.hash(), parent_hash: header.parent_hash, number: header.number };
tracing::info!(
target: "minimal-polkadot-node",
"Received imported block via RPC: #{} ({} -> {})",
header.number,
header.parent_hash,
header.hash()
);
let block_info = BlockInfo { hash: header.hash(), parent_hash: header.parent_hash, number: header.number };
handle.block_imported(block_info).await;
}
None => return Err(RelayChainError::GenericError("Relay chain import stream ended.".to_string())),
cumulus/client/relay-chain-minimal-node/src/lib.rs
+1 -1
View File
@@ -85,7 +85,7 @@ fn build_authority_discovery_service<Block: BlockT>(
pub async fn build_minimal_relay_chain_node(
polkadot_config: Configuration,
task_manager: &mut TaskManager,
relay_chain_url: Url,
relay_chain_url: Vec<Url>,
) -> RelayChainResult<(Arc<(dyn RelayChainInterface + 'static)>, Option<CollatorPair>)> {
let client = cumulus_relay_chain_rpc_interface::create_client_and_start_worker(
relay_chain_url,