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Added --tx-queue-no-early-reject flag to disable early tx queue rejec…
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…ts (#9143)

* Added --tx-queue-no-early-reject flag to disable early tx queue rejects because of low gas price

* Fixed failing tests, clarified comments and simplified no_early_reject field name.

* Added test case for the --tx-queue-no-early-reject flag
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Peter Pratscher authored and ordian committed Jul 24, 2018
1 parent 4848c38 commit 1b1941a
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Showing 9 changed files with 73 additions and 5 deletions.
1 change: 1 addition & 0 deletions ethcore/private-tx/src/private_transactions.rs
Original file line number Diff line number Diff line change
Expand Up @@ -67,6 +67,7 @@ impl Default for VerificationStore {
minimal_gas_price: 0.into(),
block_gas_limit: 8_000_000.into(),
tx_gas_limit: U256::max_value(),
no_early_reject: false
},
pool::PrioritizationStrategy::GasPriceOnly,
)
Expand Down
3 changes: 3 additions & 0 deletions ethcore/src/miner/miner.rs
Original file line number Diff line number Diff line change
Expand Up @@ -176,6 +176,7 @@ impl Default for MinerOptions {
minimal_gas_price: DEFAULT_MINIMAL_GAS_PRICE.into(),
block_gas_limit: U256::max_value(),
tx_gas_limit: U256::max_value(),
no_early_reject: false,
},
}
}
Expand Down Expand Up @@ -283,6 +284,7 @@ impl Miner {
minimal_gas_price,
block_gas_limit: U256::max_value(),
tx_gas_limit: U256::max_value(),
no_early_reject: false,
},
reseal_min_period: Duration::from_secs(0),
..Default::default()
Expand Down Expand Up @@ -1338,6 +1340,7 @@ mod tests {
minimal_gas_price: 0.into(),
block_gas_limit: U256::max_value(),
tx_gas_limit: U256::max_value(),
no_early_reject: false,
},
},
GasPricer::new_fixed(0u64.into()),
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12 changes: 8 additions & 4 deletions miner/src/pool/queue.rs
Original file line number Diff line number Diff line change
Expand Up @@ -243,11 +243,15 @@ impl TransactionQueue {
let options = self.options.read().clone();

let transaction_to_replace = {
let pool = self.pool.read();
if pool.is_full() {
pool.worst_transaction().map(|worst| (pool.scoring().clone(), worst))
} else {
if options.no_early_reject {
None
} else {
let pool = self.pool.read();
if pool.is_full() {
pool.worst_transaction().map(|worst| (pool.scoring().clone(), worst))
} else {
None
}
}
};

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47 changes: 47 additions & 0 deletions miner/src/pool/tests/mod.rs
Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,7 @@ fn new_queue() -> TransactionQueue {
minimal_gas_price: 1.into(),
block_gas_limit: 1_000_000.into(),
tx_gas_limit: 1_000_000.into(),
no_early_reject: false,
},
PrioritizationStrategy::GasPriceOnly,
)
Expand All @@ -54,6 +55,7 @@ fn should_return_correct_nonces_when_dropped_because_of_limit() {
minimal_gas_price: 1.into(),
block_gas_limit: 1_000_000.into(),
tx_gas_limit: 1_000_000.into(),
no_early_reject: false,
},
PrioritizationStrategy::GasPriceOnly,
);
Expand Down Expand Up @@ -105,6 +107,7 @@ fn should_never_drop_local_transactions_from_different_senders() {
minimal_gas_price: 1.into(),
block_gas_limit: 1_000_000.into(),
tx_gas_limit: 1_000_000.into(),
no_early_reject: false,
},
PrioritizationStrategy::GasPriceOnly,
);
Expand Down Expand Up @@ -478,6 +481,7 @@ fn should_prefer_current_transactions_when_hitting_the_limit() {
minimal_gas_price: 1.into(),
block_gas_limit: 1_000_000.into(),
tx_gas_limit: 1_000_000.into(),
no_early_reject: false,
},
PrioritizationStrategy::GasPriceOnly,
);
Expand Down Expand Up @@ -890,6 +894,7 @@ fn should_include_local_transaction_to_a_full_pool() {
minimal_gas_price: 1.into(),
block_gas_limit: 1_000_000.into(),
tx_gas_limit: 1_000_000.into(),
no_early_reject: false,
},
PrioritizationStrategy::GasPriceOnly,
);
Expand Down Expand Up @@ -921,6 +926,7 @@ fn should_avoid_verifying_transaction_already_in_pool() {
minimal_gas_price: 1.into(),
block_gas_limit: 1_000_000.into(),
tx_gas_limit: 1_000_000.into(),
no_early_reject: false,
},
PrioritizationStrategy::GasPriceOnly,
);
Expand Down Expand Up @@ -955,6 +961,7 @@ fn should_avoid_reverifying_recently_rejected_transactions() {
minimal_gas_price: 1.into(),
block_gas_limit: 1_000_000.into(),
tx_gas_limit: 1_000_000.into(),
no_early_reject: false,
},
PrioritizationStrategy::GasPriceOnly,
);
Expand Down Expand Up @@ -996,6 +1003,7 @@ fn should_reject_early_in_case_gas_price_is_less_than_min_effective() {
minimal_gas_price: 1.into(),
block_gas_limit: 1_000_000.into(),
tx_gas_limit: 1_000_000.into(),
no_early_reject: false,
},
PrioritizationStrategy::GasPriceOnly,
);
Expand All @@ -1020,3 +1028,42 @@ fn should_reject_early_in_case_gas_price_is_less_than_min_effective() {
// then
assert_eq!(txq.status().status.transaction_count, 1);
}


#[test]
fn should_not_reject_early_in_case_gas_price_is_less_than_min_effective() {
// given
let txq = TransactionQueue::new(
txpool::Options {
max_count: 1,
max_per_sender: 2,
max_mem_usage: 50
},
verifier::Options {
minimal_gas_price: 1.into(),
block_gas_limit: 1_000_000.into(),
tx_gas_limit: 1_000_000.into(),
no_early_reject: true,
},
PrioritizationStrategy::GasPriceOnly,
);
// when
let tx1 = Tx::gas_price(2).signed();
let client = TestClient::new().with_local(&tx1.sender());
let res = txq.import(client.clone(), vec![tx1.unverified()]);

// then
assert_eq!(res, vec![Ok(())]);
assert_eq!(txq.status().status.transaction_count, 1);
assert!(client.was_verification_triggered());

// when
let tx1 = Tx::gas_price(1).signed();
let client = TestClient::new().with_local(&tx1.sender());
let res = txq.import(client.clone(), vec![tx1.unverified()]);

// then
assert_eq!(res, vec![Ok(())]);
assert_eq!(txq.status().status.transaction_count, 2);
assert!(client.was_verification_triggered());
}
5 changes: 4 additions & 1 deletion miner/src/pool/verifier.rs
Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,8 @@ pub struct Options {
pub block_gas_limit: U256,
/// Maximal gas limit for a single transaction.
pub tx_gas_limit: U256,
/// Skip checks for early rejection, to make sure that local transactions are always imported.
pub no_early_reject: bool,
}

#[cfg(test)]
Expand All @@ -52,6 +54,7 @@ impl Default for Options {
minimal_gas_price: 0.into(),
block_gas_limit: U256::max_value(),
tx_gas_limit: U256::max_value(),
no_early_reject: false,
}
}
}
Expand Down Expand Up @@ -204,7 +207,7 @@ impl<C: Client> txpool::Verifier<Transaction> for Verifier<C, ::pool::scoring::N
//
// We're checking if the transaction is below configured minimal gas price
// or the effective minimal gas price in case the pool is full.
if !tx.gas_price().is_zero() && !is_own {
if !tx.gas_price().is_zero() && !is_own {
if tx.gas_price() < &self.options.minimal_gas_price {
trace!(
target: "txqueue",
Expand Down
7 changes: 7 additions & 0 deletions parity/cli/mod.rs
Original file line number Diff line number Diff line change
Expand Up @@ -652,6 +652,10 @@ usage! {
"--tx-queue-no-unfamiliar-locals",
"Local transactions sent through JSON-RPC (HTTP, WebSockets, etc) will be treated as 'external' if the sending account is unknown.",

FLAG flag_tx_queue_no_early_reject: (bool) = false, or |c: &Config| c.mining.as_ref()?.tx_queue_no_early_reject.clone(),
"--tx-queue-no-early-reject",
"Disables transaction queue optimization to early reject transactions below minimal effective gas price. This allows local transactions to always enter the pool, despite it being full, but requires additional ecrecover on every transaction.",

FLAG flag_refuse_service_transactions: (bool) = false, or |c: &Config| c.mining.as_ref()?.refuse_service_transactions.clone(),
"--refuse-service-transactions",
"Always refuse service transactions.",
Expand Down Expand Up @@ -1303,6 +1307,7 @@ struct Mining {
tx_queue_ban_count: Option<u16>,
tx_queue_ban_time: Option<u16>,
tx_queue_no_unfamiliar_locals: Option<bool>,
tx_queue_no_early_reject: Option<bool>,
remove_solved: Option<bool>,
notify_work: Option<Vec<String>>,
refuse_service_transactions: Option<bool>,
Expand Down Expand Up @@ -1720,6 +1725,7 @@ mod tests {
arg_gas_cap: "6283184".into(),
arg_extra_data: Some("Parity".into()),
flag_tx_queue_no_unfamiliar_locals: false,
flag_tx_queue_no_early_reject: false,
arg_tx_queue_size: 8192usize,
arg_tx_queue_per_sender: None,
arg_tx_queue_mem_limit: 4u32,
Expand Down Expand Up @@ -1988,6 +1994,7 @@ mod tests {
tx_queue_ban_count: None,
tx_queue_ban_time: None,
tx_queue_no_unfamiliar_locals: None,
tx_queue_no_early_reject: None,
tx_gas_limit: None,
tx_time_limit: None,
extra_data: None,
Expand Down
1 change: 1 addition & 0 deletions parity/cli/tests/config.full.toml
Original file line number Diff line number Diff line change
Expand Up @@ -134,6 +134,7 @@ tx_queue_ban_time = 180 #s
tx_gas_limit = "6283184"
tx_time_limit = 100 #ms
tx_queue_no_unfamiliar_locals = false
tx_queue_no_early_reject = false
extra_data = "Parity"
remove_solved = false
notify_work = ["http://localhost:3001"]
Expand Down
1 change: 1 addition & 0 deletions parity/configuration.rs
Original file line number Diff line number Diff line change
Expand Up @@ -570,6 +570,7 @@ impl Configuration {
Some(ref d) => to_u256(d)?,
None => U256::max_value(),
},
no_early_reject: self.args.flag_tx_queue_no_early_reject,
})
}

Expand Down
1 change: 1 addition & 0 deletions rpc/src/v1/tests/helpers/miner_service.rs
Original file line number Diff line number Diff line change
Expand Up @@ -264,6 +264,7 @@ impl MinerService for TestMinerService {
minimal_gas_price: 0x1312d00.into(),
block_gas_limit: 5_000_000.into(),
tx_gas_limit: 5_000_000.into(),
no_early_reject: false,
},
status: txpool::LightStatus {
mem_usage: 1_000,
Expand Down

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