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Benchmark Ethereum Pallet (#149)

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* Add skeleton for worst case import_unsigned_header

* Fix a typo

* Add benchmark test for best case unsigned header import

* Add finality verification to worst case bench

* Move `insert_header()` from mock to test_utils

Allows the benchmarking code to use this without having to pull it in from the mock.

* Add a rough bench to test a finalizing a "long" chain

* Try to use complexity parameter for finality bench

* Improve long finality bench

* Remove stray dot file

* Remove old "worst" case bench

* Scribble some ideas down for pruning bench

* Prune headers during benchmarking

* Clean up some comments

* Make finality bench work for entire range of complexity parameter

* Place initialization code into a function

* Add bench for block finalization with caching

* First attempt at bench with receipts

* Try and trigger validator set change

* Perform a validator set change during benchmarking

* Move `validators_change_receipt()` to shared location

Allows unit tests and benchmarks to access the same helper function
and const

* Extract a test receipt root into a constant

* Clean up description of pruning bench

* Fix cache and pruning tests

* Remove unecessary `build_custom_header` usage

* Get rid of warnings

* Remove code duplication comment

I don't think its entirely worth it to split out so few lines of code.
The benches aren't particularly hard to read anyways.

* Increase the range of the complexity parameter

* Use dynamic number of receipts while benchmarking

As part of this change we have removed the hardcoded TEST_RECEIPT_ROOT
and instead chose to calculate the receipt root on the fly. This will
make tests and benches less fragile.

* Prune a dynamic number of headers
This commit is contained in:
Hernando Castano
2020-07-10 05:10:53 -04:00
committed by Bastian Köcher
parent 1cd7be9214
commit 002e18a47c
9 changed files with 315 additions and 71 deletions
Download Patch File Download Diff File Expand all files Collapse all files
bridges/modules/ethereum/src/validators.rs
+6 -25
View File
@@ -20,7 +20,7 @@ use primitives::{Address, Header, HeaderId, LogEntry, Receipt, U256};
use sp_std::prelude::*;
/// The hash of InitiateChange event of the validators set contract.
const CHANGE_EVENT_HASH: &'static [u8; 32] = &[
pub(crate) const CHANGE_EVENT_HASH: &'static [u8; 32] = &[
0x55, 0x25, 0x2f, 0xa6, 0xee, 0xe4, 0x74, 0x1b, 0x4e, 0x24, 0xa7, 0x4a, 0x70, 0xe9, 0xc1, 0x1f, 0xd2, 0xc2, 0x28,
0x1d, 0xf8, 0xd6, 0xea, 0x13, 0x12, 0x6f, 0xf8, 0x45, 0xf7, 0x82, 0x5c, 0x89,
];
@@ -39,7 +39,7 @@ pub enum ValidatorsConfiguration {
/// This source is valid within some blocks range. The blocks range could
/// cover multiple epochs - i.e. the validators that are authoring blocks
/// within this range could change, but the source itself can not.
#[cfg_attr(test, derive(Debug, PartialEq))]
#[cfg_attr(any(test, feature = "runtime-benchmarks"), derive(Debug, PartialEq))]
pub enum ValidatorsSource {
/// The validators addresses are hardcoded and never change.
List(Vec<Address>),
@@ -276,30 +276,13 @@ impl ValidatorsSource {
#[cfg(test)]
pub(crate) mod tests {
use super::*;
use crate::mock::{run_test, validators_addresses, TestRuntime};
use crate::mock::{run_test, validators_addresses, validators_change_receipt, TestRuntime};
use crate::{BridgeStorage, Headers, ScheduledChange, ScheduledChanges, StoredHeader};
use frame_support::StorageMap;
use primitives::{TransactionOutcome, H256};
use primitives::compute_merkle_root;
const TOTAL_VALIDATORS: usize = 3;
pub(crate) fn validators_change_recept(parent_hash: H256) -> Receipt {
Receipt {
gas_used: 0.into(),
log_bloom: (&[0xff; 256]).into(),
outcome: TransactionOutcome::Unknown,
logs: vec![LogEntry {
address: [3; 20].into(),
topics: vec![CHANGE_EVENT_HASH.into(), parent_hash],
data: vec![
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 7, 7,
7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
],
}],
}
}
#[test]
fn source_at_works() {
let config = ValidatorsConfiguration::Multi(vec![
@@ -405,10 +388,8 @@ pub(crate) mod tests {
// when we're inside contract range and logs bloom signals change
// and there's change in receipts
let receipts = vec![validators_change_recept(Default::default())];
header.receipts_root = "81ce88dc524403b796222046bf3daf543978329b87ffd50228f1d3987031dc45"
.parse()
.unwrap();
let receipts = vec![validators_change_receipt(Default::default())];
header.receipts_root = compute_merkle_root(receipts.iter().map(|r| r.rlp()));
assert_eq!(
validators.extract_validators_change(&header, Some(receipts)),
Ok((Some(vec![[7; 20].into()]), None)),