Minimal effective gas price in the queue (#8934)
* Minimal effective gas price. * Fix naming, add test * Fix minimal entry score and add test. * Fix worst_transaction. * Remove effective gas price threshold. * Don't leak gas_price decisions out of Scoring.
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13
src/pool.rs
13
src/pool.rs
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@ -390,7 +390,13 @@ impl<T, S, L> Pool<T, S, L> where
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/// Returns worst transaction in the queue (if any).
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pub fn worst_transaction(&self) -> Option<Arc<T>> {
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self.worst_transactions.iter().next().map(|x| x.transaction.transaction.clone())
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self.worst_transactions.iter().next_back().map(|x| x.transaction.transaction.clone())
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}
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/// Returns true if the pool is at it's capacity.
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pub fn is_full(&self) -> bool {
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self.by_hash.len() >= self.options.max_count
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|| self.mem_usage >= self.options.max_mem_usage
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}
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/// Returns an iterator of pending (ready) transactions.
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@ -486,6 +492,11 @@ impl<T, S, L> Pool<T, S, L> where
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&self.listener
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}
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/// Borrows scoring instance.
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pub fn scoring(&self) -> &S {
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&self.scoring
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}
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/// Borrows listener mutably.
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pub fn listener_mut(&mut self) -> &mut L {
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&mut self.listener
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@ -48,6 +48,15 @@ pub type SharedTransaction = Arc<Transaction>;
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type TestPool = Pool<Transaction, DummyScoring>;
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impl TestPool {
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pub fn with_limit(max_count: usize) -> Self {
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Self::with_options(Options {
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max_count,
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..Default::default()
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})
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}
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}
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#[test]
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fn should_clear_queue() {
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// given
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@ -505,9 +514,27 @@ fn should_return_worst_transaction() {
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// when
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txq.import(b.tx().nonce(0).gas_price(5).new()).unwrap();
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txq.import(b.tx().sender(1).nonce(0).gas_price(4).new()).unwrap();
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// then
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assert!(txq.worst_transaction().is_some());
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assert_eq!(txq.worst_transaction().unwrap().gas_price, 4.into());
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}
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#[test]
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fn should_return_is_full() {
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// given
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let b = TransactionBuilder::default();
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let mut txq = TestPool::with_limit(2);
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assert!(!txq.is_full());
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// when
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txq.import(b.tx().nonce(0).gas_price(110).new()).unwrap();
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assert!(!txq.is_full());
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txq.import(b.tx().sender(1).nonce(0).gas_price(100).new()).unwrap();
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// then
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assert!(txq.is_full());
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}
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mod listener {
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