tornadocontrib/web3-proxy
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allow connections to fail

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This commit is contained in:
Bryan Stitt 2022-05-05 21:38:15 +00:00
parent b79a050fd4
commit 97b4e9f800
3 changed files with 10 additions and 3 deletions
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2
web3-proxy/src/connection.rs
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@ -95,6 +95,7 @@ impl Web3Connection {
.interval(Duration::from_secs(1))
.into()
} else if url_str.starts_with("ws") {
// TODO: wrapper automatically reconnect
let provider = ethers::providers::Ws::connect(url_str.clone()).await?;
// TODO: make sure this automatically reconnects
@ -142,6 +143,7 @@ impl Web3Connection {
loop {
// wait for the interval
// TODO: if error or rate limit, increase interval?
interval.tick().await;
let block_number = provider.get_block_number().await.map(|x| x.as_u64())?;

9
web3-proxy/src/connections.rs
View File

@ -69,11 +69,14 @@ impl Web3Connections {
let num_connections = servers.len();
for server_config in servers.into_iter() {
let connection = server_config.try_build(clock, http_client.clone()).await?;
connections.push(connection);
match server_config.try_build(clock, http_client.clone()).await {
Ok(connection) => connections.push(connection),
Err(e) => warn!("Unable to connect to a server! {}", e),
}
}
// TODO: exit if no connections?
let connections = Arc::new(Self {
inner: connections,
synced_connections: ArcSwap::new(Arc::new(SyncedConnections::new(num_connections))),

2
web3-proxy/src/main.rs
View File

@ -67,6 +67,7 @@ impl Web3ProxyApp {
.user_agent(APP_USER_AGENT)
.build()?;
// TODO: attach context to this error?
let balanced_rpc_tiers =
future::join_all(balanced_rpc_tiers.into_iter().map(|balanced_rpc_tier| {
Web3Connections::try_new(balanced_rpc_tier, Some(http_client.clone()), &clock)
@ -75,6 +76,7 @@ impl Web3ProxyApp {
.into_iter()
.collect::<anyhow::Result<Vec<Arc<Web3Connections>>>>()?;
// TODO: attach context to this error?
let private_rpcs = if private_rpcs.is_empty() {
warn!("No private relays configured. Any transactions will be broadcast to the public mempool!");
// TODO: instead of None, set it to a list of all the rpcs from balanced_rpc_tiers. that way we broadcast very loudly