tornadocontrib/ web3-proxy
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wait up to 35 seconds to start frontend

This commit is contained in:
Bryan Stitt 2023-07-05 11:29:56 -07:00
parent 21b59bb953
commit 97d3faa3d7
1 changed files with 23 additions and 11 deletions
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34
web3_proxy/src/sub_commands/proxyd.rs
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@ -11,7 +11,9 @@ use std::sync::atomic::AtomicU16;
use std::sync::Arc;
use std::time::Duration;
use std::{fs, thread};
use tokio::select;
use tokio::sync::broadcast;
use tokio::time::{sleep_until, Instant};
use tracing::{error, info, trace, warn};
/// start the main proxy daemon
@ -87,6 +89,8 @@ impl ProxydSubCommand {
)
.await?;
let mut head_block_receiver = spawned_app.app.head_block_receiver();
// start thread for watching config
if let Some(top_config_path) = top_config_path {
let config_sender = spawned_app.new_top_config;
@ -128,18 +132,26 @@ impl ProxydSubCommand {
));
info!("waiting for head block");
let max_wait_until = Instant::now() + Duration::from_secs(35);
loop {
spawned_app.app.head_block_receiver().changed().await?;
if spawned_app
.app
.head_block_receiver()
.borrow_and_update()
.is_some()
{
break;
} else {
info!("no head block yet!");
select! {
_ = sleep_until(max_wait_until) => {
return Err(anyhow::anyhow!("oh no! we never got a head block!"))
}
_ = head_block_receiver.changed() => {
if let Some(head_block) = spawned_app
.app
.head_block_receiver()
.borrow_and_update()
.as_ref()
{
info!(head_hash=?head_block.hash(), head_num=%head_block.number());
break;
} else {
info!("no head block yet!");
continue;
}
}
}
}