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Never drop local transactions from different senders. (#9002)

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This commit is contained in:
Tomasz Drwięga
2018-07-03 11:36:59 +02:00
committed by Afri Schoedon
parent f3107214f4
commit 00e61a9100
6 changed files with 217 additions and 72 deletions
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84
miner/src/pool/scoring.rs
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@@ -30,7 +30,7 @@
use std::cmp;
use ethereum_types::U256;
use txpool;
use txpool::{self, scoring};
use super::{verifier, PrioritizationStrategy, VerifiedTransaction};
/// Transaction with the same (sender, nonce) can be replaced only if
@@ -75,9 +75,9 @@ impl txpool::Scoring<VerifiedTransaction> for NonceAndGasPrice {
old.transaction.nonce.cmp(&other.transaction.nonce)
}
fn choose(&self, old: &VerifiedTransaction, new: &VerifiedTransaction) -> txpool::scoring::Choice {
fn choose(&self, old: &VerifiedTransaction, new: &VerifiedTransaction) -> scoring::Choice {
if old.transaction.nonce != new.transaction.nonce {
return txpool::scoring::Choice::InsertNew
return scoring::Choice::InsertNew
}
let old_gp = old.transaction.gas_price;
@@ -86,13 +86,13 @@ impl txpool::Scoring<VerifiedTransaction> for NonceAndGasPrice {
let min_required_gp = bump_gas_price(old_gp);
match min_required_gp.cmp(&new_gp) {
cmp::Ordering::Greater => txpool::scoring::Choice::RejectNew,
_ => txpool::scoring::Choice::ReplaceOld,
cmp::Ordering::Greater => scoring::Choice::RejectNew,
_ => scoring::Choice::ReplaceOld,
}
}
fn update_scores(&self, txs: &[txpool::Transaction<VerifiedTransaction>], scores: &mut [U256], change: txpool::scoring::Change) {
use self::txpool::scoring::Change;
fn update_scores(&self, txs: &[txpool::Transaction<VerifiedTransaction>], scores: &mut [U256], change: scoring::Change) {
use self::scoring::Change;
match change {
Change::Culled(_) => {},
@@ -122,19 +122,26 @@ impl txpool::Scoring<VerifiedTransaction> for NonceAndGasPrice {
}
}
fn should_replace(&self, old: &VerifiedTransaction, new: &VerifiedTransaction) -> bool {
fn should_replace(&self, old: &VerifiedTransaction, new: &VerifiedTransaction) -> scoring::Choice {
if old.sender == new.sender {
// prefer earliest transaction
match new.transaction.nonce.cmp(&old.transaction.nonce) {
cmp::Ordering::Less => true,
cmp::Ordering::Greater => false,
cmp::Ordering::Equal => self.choose(old, new) == txpool::scoring::Choice::ReplaceOld,
cmp::Ordering::Less => scoring::Choice::ReplaceOld,
cmp::Ordering::Greater => scoring::Choice::RejectNew,
cmp::Ordering::Equal => self.choose(old, new),
}
} else if old.priority().is_local() && new.priority().is_local() {
// accept local transactions over the limit
scoring::Choice::InsertNew
} else {
let old_score = (old.priority(), old.transaction.gas_price);
let new_score = (new.priority(), new.transaction.gas_price);
new_score > old_score
}
if new_score > old_score {
scoring::Choice::ReplaceOld
} else {
scoring::Choice::RejectNew
}
}
}
}
@@ -146,6 +153,7 @@ mod tests {
use ethkey::{Random, Generator};
use pool::tests::tx::{Tx, TxExt};
use txpool::Scoring;
use txpool::scoring::Choice::*;
#[test]
fn should_replace_same_sender_by_nonce() {
@@ -181,14 +189,14 @@ mod tests {
}
}).collect::<Vec<_>>();
assert!(!scoring.should_replace(&txs[0], &txs[1]));
assert!(scoring.should_replace(&txs[1], &txs[0]));
assert_eq!(scoring.should_replace(&txs[0], &txs[1]), RejectNew);
assert_eq!(scoring.should_replace(&txs[1], &txs[0]), ReplaceOld);
assert!(!scoring.should_replace(&txs[1], &txs[2]));
assert!(!scoring.should_replace(&txs[2], &txs[1]));
assert_eq!(scoring.should_replace(&txs[1], &txs[2]), RejectNew);
assert_eq!(scoring.should_replace(&txs[2], &txs[1]), RejectNew);
assert!(scoring.should_replace(&txs[1], &txs[3]));
assert!(!scoring.should_replace(&txs[3], &txs[1]));
assert_eq!(scoring.should_replace(&txs[1], &txs[3]), ReplaceOld);
assert_eq!(scoring.should_replace(&txs[3], &txs[1]), RejectNew);
}
#[test]
@@ -246,14 +254,14 @@ mod tests {
}
};
assert!(scoring.should_replace(&tx_regular_low_gas, &tx_regular_high_gas));
assert!(!scoring.should_replace(&tx_regular_high_gas, &tx_regular_low_gas));
assert_eq!(scoring.should_replace(&tx_regular_low_gas, &tx_regular_high_gas), ReplaceOld);
assert_eq!(scoring.should_replace(&tx_regular_high_gas, &tx_regular_low_gas), RejectNew);
assert!(scoring.should_replace(&tx_regular_high_gas, &tx_local_low_gas));
assert!(!scoring.should_replace(&tx_local_low_gas, &tx_regular_high_gas));
assert_eq!(scoring.should_replace(&tx_regular_high_gas, &tx_local_low_gas), ReplaceOld);
assert_eq!(scoring.should_replace(&tx_local_low_gas, &tx_regular_high_gas), RejectNew);
assert!(scoring.should_replace(&tx_local_low_gas, &tx_local_high_gas));
assert!(!scoring.should_replace(&tx_local_high_gas, &tx_regular_low_gas));
assert_eq!(scoring.should_replace(&tx_local_low_gas, &tx_local_high_gas), InsertNew);
assert_eq!(scoring.should_replace(&tx_local_high_gas, &tx_regular_low_gas), RejectNew);
}
#[test]
@@ -277,35 +285,35 @@ mod tests {
// No update required
let mut scores = initial_scores.clone();
scoring.update_scores(&transactions, &mut *scores, txpool::scoring::Change::Culled(0));
scoring.update_scores(&transactions, &mut *scores, txpool::scoring::Change::Culled(1));
scoring.update_scores(&transactions, &mut *scores, txpool::scoring::Change::Culled(2));
scoring.update_scores(&transactions, &mut *scores, scoring::Change::Culled(0));
scoring.update_scores(&transactions, &mut *scores, scoring::Change::Culled(1));
scoring.update_scores(&transactions, &mut *scores, scoring::Change::Culled(2));
assert_eq!(scores, initial_scores);
let mut scores = initial_scores.clone();
scoring.update_scores(&transactions, &mut *scores, txpool::scoring::Change::RemovedAt(0));
scoring.update_scores(&transactions, &mut *scores, txpool::scoring::Change::RemovedAt(1));
scoring.update_scores(&transactions, &mut *scores, txpool::scoring::Change::RemovedAt(2));
scoring.update_scores(&transactions, &mut *scores, scoring::Change::RemovedAt(0));
scoring.update_scores(&transactions, &mut *scores, scoring::Change::RemovedAt(1));
scoring.update_scores(&transactions, &mut *scores, scoring::Change::RemovedAt(2));
assert_eq!(scores, initial_scores);
// Compute score at given index
let mut scores = initial_scores.clone();
scoring.update_scores(&transactions, &mut *scores, txpool::scoring::Change::InsertedAt(0));
scoring.update_scores(&transactions, &mut *scores, scoring::Change::InsertedAt(0));
assert_eq!(scores, vec![32768.into(), 0.into(), 0.into()]);
scoring.update_scores(&transactions, &mut *scores, txpool::scoring::Change::InsertedAt(1));
scoring.update_scores(&transactions, &mut *scores, scoring::Change::InsertedAt(1));
assert_eq!(scores, vec![32768.into(), 1024.into(), 0.into()]);
scoring.update_scores(&transactions, &mut *scores, txpool::scoring::Change::InsertedAt(2));
scoring.update_scores(&transactions, &mut *scores, scoring::Change::InsertedAt(2));
assert_eq!(scores, vec![32768.into(), 1024.into(), 1.into()]);
let mut scores = initial_scores.clone();
scoring.update_scores(&transactions, &mut *scores, txpool::scoring::Change::ReplacedAt(0));
scoring.update_scores(&transactions, &mut *scores, scoring::Change::ReplacedAt(0));
assert_eq!(scores, vec![32768.into(), 0.into(), 0.into()]);
scoring.update_scores(&transactions, &mut *scores, txpool::scoring::Change::ReplacedAt(1));
scoring.update_scores(&transactions, &mut *scores, scoring::Change::ReplacedAt(1));
assert_eq!(scores, vec![32768.into(), 1024.into(), 0.into()]);
scoring.update_scores(&transactions, &mut *scores, txpool::scoring::Change::ReplacedAt(2));
scoring.update_scores(&transactions, &mut *scores, scoring::Change::ReplacedAt(2));
assert_eq!(scores, vec![32768.into(), 1024.into(), 1.into()]);
// Check penalization
scoring.update_scores(&transactions, &mut *scores, txpool::scoring::Change::Event(()));
scoring.update_scores(&transactions, &mut *scores, scoring::Change::Event(()));
assert_eq!(scores, vec![32768.into(), 128.into(), 0.into()]);
}
}