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Reduce slot duration and consecutive leader slots (#4838)

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* change consecutive leader slots to 4

* reduce polling frequency for transaction signature confirmation

* adjust wait time for transaction signature confirmation

* fix nominal test

* fix flakiness in wallet pay test
This commit is contained in:
Pankaj Garg
2019-07-01 13:21:00 -07:00
committed by GitHub
parent c1953dca8f
commit 38b44f2496
4 changed files with 47 additions and 17 deletions
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25
client/src/rpc_client.rs
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@ -446,17 +446,27 @@ impl RpcClient {
) -> io::Result<()> {
let mut now = Instant::now();
let mut confirmed_blocks = 0;
let mut wait_time = 15;
loop {
let response = self.get_num_blocks_since_signature_confirmation(signature);
match response {
Ok(count) => {
if confirmed_blocks != count {
info!(
"signature {} confirmed {} out of {}",
signature, count, min_confirmed_blocks
"signature {} confirmed {} out of {} after {} ms",
signature,
count,
min_confirmed_blocks,
now.elapsed().as_millis()
);
now = Instant::now();
confirmed_blocks = count;
// If the signature has been confirmed once, wait extra while reconfirming it
// One confirmation means the transaction has been seen by the network, so
// next confirmation (for a higher block count) should come through.
// Returning an error prematurely will cause a valid transaction to be deemed
// as failure.
wait_time = 30;
}
if count >= min_confirmed_blocks {
break;
@ -466,11 +476,18 @@ impl RpcClient {
debug!("check_confirmations request failed: {:?}", err);
}
};
if now.elapsed().as_secs() > 15 {
if now.elapsed().as_secs() > wait_time {
info!(
"signature {} confirmed {} out of {} failed after {} ms",
signature,
confirmed_blocks,
min_confirmed_blocks,
now.elapsed().as_millis()
);
// TODO: Return a better error.
return Err(io::Error::new(io::ErrorKind::Other, "signature not found"));
}
sleep(Duration::from_millis(250));
sleep(Duration::from_secs(1));
}
Ok(())
}