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fix: dont poll stream again if done (#2245)

This commit is contained in:
Matthias Seitz 2023-03-09 22:59:13 +01:00 committed by GitHub
parent ce26dfc0d6
commit 49dccf9d89
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1 changed files with 18 additions and 14 deletions
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10
ethers-providers/src/stream/tx_stream.rs
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@ -56,6 +56,8 @@ pub struct TransactionStream<'a, P, St> {
pub(crate) provider: &'a Provider<P>,
/// A stream of transaction hashes.
pub(crate) stream: St,
/// Marks if the stream is done
stream_done: bool,
/// max allowed futures to execute at once.
pub(crate) max_concurrent: usize,
}
@ -68,6 +70,7 @@ impl<'a, P: JsonRpcClient, St> TransactionStream<'a, P, St> {
buffered: Default::default(),
provider,
stream,
stream_done: false,
max_concurrent,
}
}
@ -102,7 +105,7 @@ where
}
}
let mut stream_done = false;
if !this.stream_done {
loop {
match Stream::poll_next(Pin::new(&mut this.stream), cx) {
Poll::Ready(Some(tx)) => {
@ -113,19 +116,20 @@ where
}
}
Poll::Ready(None) => {
stream_done = true;
this.stream_done = true;
break
}
_ => break,
}
}
}
// poll running futures
if let tx @ Poll::Ready(Some(_)) = this.pending.poll_next_unpin(cx) {
return tx
}
if stream_done && this.pending.is_empty() {
if this.stream_done && this.pending.is_empty() {
// all done
return Poll::Ready(None)
}