b73c497be2
## Issue Addressed NA ## Proposed Changes - Refactor the `bls` crate to support multiple BLS "backends" (e.g., milagro, blst, etc). - Removes some duplicate, unused code in `common/rest_types/src/validator.rs`. - Removes the old "upgrade legacy keypairs" functionality (these were unencrypted keys that haven't been supported for a few testnets, no one should be using them anymore). ## Additional Info Most of the files changed are just inconsequential changes to function names. ## TODO - [x] Optimization levels - [x] Infinity point: https://github.com/supranational/blst/issues/11 - [x] Ensure milagro *and* blst are tested via CI - [x] What to do with unsafe code? - [x] Test infinity point in signature sets
781 lines
24 KiB
Rust
781 lines
24 KiB
Rust
#![cfg(test)]
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use environment::{Environment, EnvironmentBuilder};
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use eth1::http::{get_deposit_count, get_deposit_logs_in_range, get_deposit_root, Block, Log};
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use eth1::{Config, Service};
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use eth1::{DepositCache, DepositLog};
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use eth1_test_rig::GanacheEth1Instance;
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use futures::compat::Future01CompatExt;
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use merkle_proof::verify_merkle_proof;
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use slog::Logger;
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use sloggers::{null::NullLoggerBuilder, Build};
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use std::ops::Range;
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use std::time::Duration;
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use tree_hash::TreeHash;
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use types::{DepositData, EthSpec, Hash256, Keypair, MainnetEthSpec, MinimalEthSpec, Signature};
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use web3::{transports::Http, Web3};
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const DEPOSIT_CONTRACT_TREE_DEPTH: usize = 32;
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pub fn null_logger() -> Logger {
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let log_builder = NullLoggerBuilder;
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log_builder.build().expect("should build logger")
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}
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pub fn new_env() -> Environment<MinimalEthSpec> {
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EnvironmentBuilder::minimal()
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// Use a single thread, so that when all tests are run in parallel they don't have so many
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// threads.
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.single_thread_tokio_runtime()
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.expect("should start tokio runtime")
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.null_logger()
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.expect("should start null logger")
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.build()
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.expect("should build env")
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}
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fn timeout() -> Duration {
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Duration::from_secs(2)
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}
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fn random_deposit_data() -> DepositData {
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let keypair = Keypair::random();
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let mut deposit = DepositData {
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pubkey: keypair.pk.into(),
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withdrawal_credentials: Hash256::zero(),
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amount: 32_000_000_000,
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signature: Signature::empty().into(),
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};
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deposit.signature = deposit.create_signature(&keypair.sk, &MainnetEthSpec::default_spec());
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deposit
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}
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/// Blocking operation to get the deposit logs from the `deposit_contract`.
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async fn blocking_deposit_logs(eth1: &GanacheEth1Instance, range: Range<u64>) -> Vec<Log> {
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get_deposit_logs_in_range(
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ð1.endpoint(),
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ð1.deposit_contract.address(),
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range,
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timeout(),
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)
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.await
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.expect("should get logs")
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}
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/// Blocking operation to get the deposit root from the `deposit_contract`.
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async fn blocking_deposit_root(eth1: &GanacheEth1Instance, block_number: u64) -> Option<Hash256> {
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get_deposit_root(
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ð1.endpoint(),
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ð1.deposit_contract.address(),
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block_number,
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timeout(),
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)
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.await
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.expect("should get deposit root")
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}
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/// Blocking operation to get the deposit count from the `deposit_contract`.
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async fn blocking_deposit_count(eth1: &GanacheEth1Instance, block_number: u64) -> Option<u64> {
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get_deposit_count(
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ð1.endpoint(),
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ð1.deposit_contract.address(),
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block_number,
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timeout(),
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)
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.await
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.expect("should get deposit count")
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}
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async fn get_block_number(web3: &Web3<Http>) -> u64 {
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web3.eth()
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.block_number()
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.compat()
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.await
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.map(|v| v.as_u64())
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.expect("should get block number")
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}
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mod eth1_cache {
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use super::*;
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use types::{EthSpec, MainnetEthSpec};
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#[tokio::test]
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async fn simple_scenario() {
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let log = null_logger();
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for follow_distance in 0..2 {
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let eth1 = GanacheEth1Instance::new()
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.await
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.expect("should start eth1 environment");
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let deposit_contract = ð1.deposit_contract;
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let web3 = eth1.web3();
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let initial_block_number = get_block_number(&web3).await;
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let service = Service::new(
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Config {
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endpoint: eth1.endpoint(),
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deposit_contract_address: deposit_contract.address(),
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lowest_cached_block_number: initial_block_number,
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follow_distance,
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..Config::default()
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},
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log.clone(),
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MainnetEthSpec::default_spec(),
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);
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// Create some blocks and then consume them, performing the test `rounds` times.
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for round in 0..2 {
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let blocks = 4;
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let initial = if round == 0 {
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initial_block_number
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} else {
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service
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.blocks()
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.read()
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.highest_block_number()
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.map(|n| n + follow_distance)
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.expect("should have a latest block after the first round")
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};
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for _ in 0..blocks {
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eth1.ganache.evm_mine().await.expect("should mine block");
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}
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service
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.update_deposit_cache()
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.await
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.expect("should update deposit cache");
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service
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.update_block_cache()
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.await
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.expect("should update block cache");
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service
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.update_block_cache()
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.await
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.expect("should update cache when nothing has changed");
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assert_eq!(
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service
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.blocks()
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.read()
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.highest_block_number()
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.map(|n| n + follow_distance),
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Some(initial + blocks),
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"should update {} blocks in round {} (follow {})",
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blocks,
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round,
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follow_distance,
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);
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}
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}
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}
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/// Tests the case where we attempt to download more blocks than will fit in the cache.
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#[tokio::test]
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async fn big_skip() {
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let log = null_logger();
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let eth1 = GanacheEth1Instance::new()
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.await
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.expect("should start eth1 environment");
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let deposit_contract = ð1.deposit_contract;
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let web3 = eth1.web3();
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let cache_len = 4;
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let service = Service::new(
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Config {
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endpoint: eth1.endpoint(),
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deposit_contract_address: deposit_contract.address(),
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lowest_cached_block_number: get_block_number(&web3).await,
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follow_distance: 0,
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block_cache_truncation: Some(cache_len),
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..Config::default()
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},
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log,
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MainnetEthSpec::default_spec(),
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);
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let blocks = cache_len * 2;
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for _ in 0..blocks {
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eth1.ganache.evm_mine().await.expect("should mine block")
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}
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service
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.update_deposit_cache()
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.await
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.expect("should update deposit cache");
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service
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.update_block_cache()
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.await
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.expect("should update block cache");
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assert_eq!(
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service.block_cache_len(),
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cache_len,
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"should not grow cache beyond target"
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);
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}
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/// Tests to ensure that the cache gets pruned when doing multiple downloads smaller than the
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/// cache size.
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#[tokio::test]
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async fn pruning() {
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let log = null_logger();
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let eth1 = GanacheEth1Instance::new()
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.await
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.expect("should start eth1 environment");
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let deposit_contract = ð1.deposit_contract;
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let web3 = eth1.web3();
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let cache_len = 4;
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let service = Service::new(
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Config {
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endpoint: eth1.endpoint(),
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deposit_contract_address: deposit_contract.address(),
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lowest_cached_block_number: get_block_number(&web3).await,
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follow_distance: 0,
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block_cache_truncation: Some(cache_len),
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..Config::default()
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},
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log,
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MainnetEthSpec::default_spec(),
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);
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for _ in 0..4u8 {
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for _ in 0..cache_len / 2 {
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eth1.ganache.evm_mine().await.expect("should mine block")
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}
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service
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.update_deposit_cache()
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.await
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.expect("should update deposit cache");
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service
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.update_block_cache()
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.await
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.expect("should update block cache");
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}
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assert_eq!(
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service.block_cache_len(),
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cache_len,
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"should not grow cache beyond target"
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);
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}
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#[tokio::test]
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async fn double_update() {
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let log = null_logger();
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let n = 16;
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let eth1 = GanacheEth1Instance::new()
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.await
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.expect("should start eth1 environment");
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let deposit_contract = ð1.deposit_contract;
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let web3 = eth1.web3();
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let service = Service::new(
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Config {
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endpoint: eth1.endpoint(),
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deposit_contract_address: deposit_contract.address(),
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lowest_cached_block_number: get_block_number(&web3).await,
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follow_distance: 0,
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..Config::default()
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},
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log,
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MainnetEthSpec::default_spec(),
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);
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for _ in 0..n {
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eth1.ganache.evm_mine().await.expect("should mine block")
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}
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futures::try_join!(
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service.update_deposit_cache(),
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service.update_deposit_cache()
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)
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.expect("should perform two simultaneous updates of deposit cache");
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futures::try_join!(service.update_block_cache(), service.update_block_cache())
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.expect("should perform two simultaneous updates of block cache");
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assert!(service.block_cache_len() >= n, "should grow the cache");
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}
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}
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mod deposit_tree {
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use super::*;
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#[tokio::test]
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async fn updating() {
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let log = null_logger();
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let n = 4;
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let eth1 = GanacheEth1Instance::new()
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.await
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.expect("should start eth1 environment");
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let deposit_contract = ð1.deposit_contract;
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let web3 = eth1.web3();
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let start_block = get_block_number(&web3).await;
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let service = Service::new(
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Config {
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endpoint: eth1.endpoint(),
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deposit_contract_address: deposit_contract.address(),
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deposit_contract_deploy_block: start_block,
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follow_distance: 0,
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..Config::default()
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},
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log,
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MainnetEthSpec::default_spec(),
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);
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for round in 0..3 {
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let deposits: Vec<_> = (0..n).map(|_| random_deposit_data()).collect();
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for deposit in &deposits {
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deposit_contract
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.deposit(deposit.clone())
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.await
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.expect("should perform a deposit");
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}
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service
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.update_deposit_cache()
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.await
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.expect("should perform update");
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service
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.update_deposit_cache()
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.await
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.expect("should perform update when nothing has changed");
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let first = n * round;
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let last = n * (round + 1);
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let (_root, local_deposits) = service
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.deposits()
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.read()
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.cache
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.get_deposits(first, last, last, 32)
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.unwrap_or_else(|_| panic!("should get deposits in round {}", round));
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assert_eq!(
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local_deposits.len(),
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n as usize,
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"should get the right number of deposits in round {}",
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round
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);
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assert_eq!(
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local_deposits
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.iter()
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.map(|d| d.data.clone())
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.collect::<Vec<_>>(),
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deposits.to_vec(),
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"obtained deposits should match those submitted in round {}",
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round
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);
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}
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}
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#[tokio::test]
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async fn double_update() {
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let log = null_logger();
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let n = 8;
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let eth1 = GanacheEth1Instance::new()
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.await
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.expect("should start eth1 environment");
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let deposit_contract = ð1.deposit_contract;
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let web3 = eth1.web3();
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let start_block = get_block_number(&web3).await;
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let service = Service::new(
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Config {
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endpoint: eth1.endpoint(),
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deposit_contract_address: deposit_contract.address(),
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deposit_contract_deploy_block: start_block,
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lowest_cached_block_number: start_block,
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follow_distance: 0,
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..Config::default()
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},
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log,
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MainnetEthSpec::default_spec(),
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);
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let deposits: Vec<_> = (0..n).map(|_| random_deposit_data()).collect();
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for deposit in &deposits {
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deposit_contract
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.deposit(deposit.clone())
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.await
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.expect("should perform a deposit");
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}
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futures::try_join!(
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service.update_deposit_cache(),
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service.update_deposit_cache()
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)
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.expect("should perform two updates concurrently");
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assert_eq!(service.deposit_cache_len(), n);
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}
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#[tokio::test]
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async fn cache_consistency() {
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let n = 8;
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let spec = &MainnetEthSpec::default_spec();
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let deposits: Vec<_> = (0..n).map(|_| random_deposit_data()).collect();
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let eth1 = GanacheEth1Instance::new()
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.await
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.expect("should start eth1 environment");
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let deposit_contract = ð1.deposit_contract;
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let web3 = eth1.web3();
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let mut deposit_roots = vec![];
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let mut deposit_counts = vec![];
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// Perform deposits to the smart contract, recording it's state along the way.
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for deposit in &deposits {
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deposit_contract
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.deposit(deposit.clone())
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.await
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.expect("should perform a deposit");
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let block_number = get_block_number(&web3).await;
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deposit_roots.push(
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blocking_deposit_root(ð1, block_number)
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.await
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.expect("should get root if contract exists"),
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);
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deposit_counts.push(
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blocking_deposit_count(ð1, block_number)
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.await
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.expect("should get count if contract exists"),
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);
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}
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let mut tree = DepositCache::default();
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// Pull all the deposit logs from the contract.
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let block_number = get_block_number(&web3).await;
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let logs: Vec<_> = blocking_deposit_logs(ð1, 0..block_number)
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.await
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.iter()
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.map(|raw| DepositLog::from_log(raw, spec).expect("should parse deposit log"))
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.inspect(|log| {
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tree.insert_log(log.clone())
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.expect("should add consecutive logs")
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})
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.collect();
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// Check the logs for invariants.
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for i in 0..logs.len() {
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let log = &logs[i];
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assert_eq!(
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log.deposit_data, deposits[i],
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"log {} should have correct deposit data",
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i
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);
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assert_eq!(log.index, i as u64, "log {} should have correct index", i);
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}
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// For each deposit test some more invariants
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for i in 0..n {
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// Ensure the deposit count from the smart contract was as expected.
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assert_eq!(
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deposit_counts[i],
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i as u64 + 1,
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"deposit count should be accurate"
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);
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// Ensure that the root from the deposit tree matches what the contract reported.
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let (root, deposits) = tree
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.get_deposits(0, i as u64, deposit_counts[i], DEPOSIT_CONTRACT_TREE_DEPTH)
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.expect("should get deposits");
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assert_eq!(
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root, deposit_roots[i],
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"tree deposit root {} should match the contract",
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i
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);
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// Ensure that the deposits all prove into the root from the smart contract.
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let deposit_root = deposit_roots[i];
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for (j, deposit) in deposits.iter().enumerate() {
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assert!(
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verify_merkle_proof(
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deposit.data.tree_hash_root(),
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&deposit.proof,
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DEPOSIT_CONTRACT_TREE_DEPTH + 1,
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j,
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deposit_root
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),
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"deposit merkle proof should prove into deposit contract root"
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)
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}
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}
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}
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}
|
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|
|
/// Tests for the base HTTP requests and response handlers.
|
|
mod http {
|
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use super::*;
|
|
|
|
async fn get_block(eth1: &GanacheEth1Instance, block_number: u64) -> Block {
|
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eth1::http::get_block(ð1.endpoint(), block_number, timeout())
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.await
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.expect("should get block number")
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}
|
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|
|
#[tokio::test]
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async fn incrementing_deposits() {
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let eth1 = GanacheEth1Instance::new()
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.await
|
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.expect("should start eth1 environment");
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let deposit_contract = ð1.deposit_contract;
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let web3 = eth1.web3();
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let block_number = get_block_number(&web3).await;
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let logs = blocking_deposit_logs(ð1, 0..block_number).await;
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assert_eq!(logs.len(), 0);
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|
|
let mut old_root = blocking_deposit_root(ð1, block_number).await;
|
|
let mut old_block = get_block(ð1, block_number).await;
|
|
let mut old_block_number = block_number;
|
|
|
|
assert_eq!(
|
|
blocking_deposit_count(ð1, block_number).await,
|
|
Some(0),
|
|
"should have deposit count zero"
|
|
);
|
|
|
|
for i in 1..=8 {
|
|
eth1.ganache
|
|
.increase_time(1)
|
|
.await
|
|
.expect("should be able to increase time on ganache");
|
|
|
|
deposit_contract
|
|
.deposit(random_deposit_data())
|
|
.await
|
|
.expect("should perform a deposit");
|
|
|
|
// Check the logs.
|
|
let block_number = get_block_number(&web3).await;
|
|
let logs = blocking_deposit_logs(ð1, 0..block_number).await;
|
|
assert_eq!(logs.len(), i, "the number of logs should be as expected");
|
|
|
|
// Check the deposit count.
|
|
assert_eq!(
|
|
blocking_deposit_count(ð1, block_number).await,
|
|
Some(i as u64),
|
|
"should have a correct deposit count"
|
|
);
|
|
|
|
// Check the deposit root.
|
|
let new_root = blocking_deposit_root(ð1, block_number).await;
|
|
assert_ne!(
|
|
new_root, old_root,
|
|
"deposit root should change with each deposit"
|
|
);
|
|
old_root = new_root;
|
|
|
|
// Check the block hash.
|
|
let new_block = get_block(ð1, block_number).await;
|
|
assert_ne!(
|
|
new_block.hash, old_block.hash,
|
|
"block hash should change with each deposit"
|
|
);
|
|
|
|
// Check to ensure the timestamp is increasing
|
|
assert!(
|
|
old_block.timestamp <= new_block.timestamp,
|
|
"block timestamp should increase"
|
|
);
|
|
|
|
old_block = new_block.clone();
|
|
|
|
// Check the block number.
|
|
assert!(
|
|
block_number > old_block_number,
|
|
"block number should increase"
|
|
);
|
|
old_block_number = block_number;
|
|
|
|
// Check to ensure the block root is changing
|
|
assert_ne!(
|
|
new_root,
|
|
Some(new_block.hash),
|
|
"the deposit root should be different to the block hash"
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
mod fast {
|
|
use super::*;
|
|
|
|
// Adds deposits into deposit cache and matches deposit_count and deposit_root
|
|
// with the deposit count and root computed from the deposit cache.
|
|
#[tokio::test]
|
|
async fn deposit_cache_query() {
|
|
let log = null_logger();
|
|
|
|
let eth1 = GanacheEth1Instance::new()
|
|
.await
|
|
.expect("should start eth1 environment");
|
|
let deposit_contract = ð1.deposit_contract;
|
|
let web3 = eth1.web3();
|
|
|
|
let now = get_block_number(&web3).await;
|
|
let service = Service::new(
|
|
Config {
|
|
endpoint: eth1.endpoint(),
|
|
deposit_contract_address: deposit_contract.address(),
|
|
deposit_contract_deploy_block: now,
|
|
lowest_cached_block_number: now,
|
|
follow_distance: 0,
|
|
block_cache_truncation: None,
|
|
..Config::default()
|
|
},
|
|
log,
|
|
MainnetEthSpec::default_spec(),
|
|
);
|
|
let n = 10;
|
|
let deposits: Vec<_> = (0..n).map(|_| random_deposit_data()).collect();
|
|
for deposit in &deposits {
|
|
deposit_contract
|
|
.deposit(deposit.clone())
|
|
.await
|
|
.expect("should perform a deposit");
|
|
// Mine an extra block between deposits to test for corner cases
|
|
eth1.ganache.evm_mine().await.expect("should mine block");
|
|
}
|
|
|
|
service
|
|
.update_deposit_cache()
|
|
.await
|
|
.expect("should perform update");
|
|
|
|
assert!(
|
|
service.deposit_cache_len() >= n,
|
|
"should have imported n deposits"
|
|
);
|
|
|
|
for block_num in 0..=get_block_number(&web3).await {
|
|
let expected_deposit_count = blocking_deposit_count(ð1, block_num).await;
|
|
let expected_deposit_root = blocking_deposit_root(ð1, block_num).await;
|
|
|
|
let deposit_count = service
|
|
.deposits()
|
|
.read()
|
|
.cache
|
|
.get_deposit_count_from_cache(block_num);
|
|
let deposit_root = service
|
|
.deposits()
|
|
.read()
|
|
.cache
|
|
.get_deposit_root_from_cache(block_num);
|
|
assert_eq!(
|
|
expected_deposit_count, deposit_count,
|
|
"deposit count from cache should match queried"
|
|
);
|
|
assert_eq!(
|
|
expected_deposit_root, deposit_root,
|
|
"deposit root from cache should match queried"
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
mod persist {
|
|
use super::*;
|
|
#[tokio::test]
|
|
async fn test_persist_caches() {
|
|
let log = null_logger();
|
|
|
|
let eth1 = GanacheEth1Instance::new()
|
|
.await
|
|
.expect("should start eth1 environment");
|
|
let deposit_contract = ð1.deposit_contract;
|
|
let web3 = eth1.web3();
|
|
|
|
let now = get_block_number(&web3).await;
|
|
let config = Config {
|
|
endpoint: eth1.endpoint(),
|
|
deposit_contract_address: deposit_contract.address(),
|
|
deposit_contract_deploy_block: now,
|
|
lowest_cached_block_number: now,
|
|
follow_distance: 0,
|
|
block_cache_truncation: None,
|
|
..Config::default()
|
|
};
|
|
let service = Service::new(config.clone(), log.clone(), MainnetEthSpec::default_spec());
|
|
let n = 10;
|
|
let deposits: Vec<_> = (0..n).map(|_| random_deposit_data()).collect();
|
|
for deposit in &deposits {
|
|
deposit_contract
|
|
.deposit(deposit.clone())
|
|
.await
|
|
.expect("should perform a deposit");
|
|
}
|
|
|
|
service
|
|
.update_deposit_cache()
|
|
.await
|
|
.expect("should perform update");
|
|
|
|
assert!(
|
|
service.deposit_cache_len() >= n,
|
|
"should have imported n deposits"
|
|
);
|
|
|
|
let deposit_count = service.deposit_cache_len();
|
|
|
|
service
|
|
.update_block_cache()
|
|
.await
|
|
.expect("should perform update");
|
|
|
|
assert!(
|
|
service.block_cache_len() >= n,
|
|
"should have imported n eth1 blocks"
|
|
);
|
|
|
|
let block_count = service.block_cache_len();
|
|
|
|
let eth1_bytes = service.as_bytes();
|
|
|
|
// Drop service and recover from bytes
|
|
drop(service);
|
|
|
|
let recovered_service =
|
|
Service::from_bytes(ð1_bytes, config, log, MainnetEthSpec::default_spec()).unwrap();
|
|
assert_eq!(
|
|
recovered_service.block_cache_len(),
|
|
block_count,
|
|
"Should have equal cached blocks as before recovery"
|
|
);
|
|
assert_eq!(
|
|
recovered_service.deposit_cache_len(),
|
|
deposit_count,
|
|
"Should have equal cached deposits as before recovery"
|
|
);
|
|
}
|
|
}
|