zebra/zebra-consensus/src/checkpoint/tests.rs

814 lines
27 KiB
Rust

//! Tests for checkpoint-based block verification
use std::{cmp::min, mem::drop, time::Duration};
use color_eyre::eyre::{eyre, Report};
use futures::{
future::TryFutureExt,
stream::{FuturesUnordered, StreamExt},
};
use tokio::time::timeout;
use tower::{Service, ServiceExt};
use tracing_futures::Instrument;
use zebra_chain::{parameters::Network::*, serialization::ZcashDeserialize};
use super::*;
/// The timeout we apply to each verify future during testing.
///
/// The checkpoint verifier uses `tokio::sync::oneshot` channels as futures.
/// If the verifier doesn't send a message on the channel, any tests that
/// await the channel future will hang.
///
/// This value is set to a large value, to avoid spurious failures due to
/// high system load.
const VERIFY_TIMEOUT_SECONDS: u64 = 10;
#[tokio::test(flavor = "multi_thread")]
async fn single_item_checkpoint_list_test() -> Result<(), Report> {
single_item_checkpoint_list().await
}
#[spandoc::spandoc]
async fn single_item_checkpoint_list() -> Result<(), Report> {
let _init_guard = zebra_test::init();
let block0 =
Arc::<Block>::zcash_deserialize(&zebra_test::vectors::BLOCK_MAINNET_GENESIS_BYTES[..])?;
let hash0 = block0.hash();
// Make a checkpoint list containing only the genesis block
let genesis_checkpoint_list: BTreeMap<block::Height, block::Hash> =
[(block0.coinbase_height().unwrap(), hash0)]
.iter()
.cloned()
.collect();
let state_service = zebra_state::init_test(Mainnet);
let mut checkpoint_verifier =
CheckpointVerifier::from_list(genesis_checkpoint_list, Mainnet, None, state_service)
.map_err(|e| eyre!(e))?;
assert_eq!(
checkpoint_verifier.previous_checkpoint_height(),
BeforeGenesis
);
assert_eq!(
checkpoint_verifier.target_checkpoint_height(),
WaitingForBlocks
);
assert_eq!(
checkpoint_verifier.checkpoint_list.max_height(),
block::Height(0)
);
/// SPANDOC: Make sure the verifier service is ready
let ready_verifier_service = checkpoint_verifier.ready().map_err(|e| eyre!(e)).await?;
/// SPANDOC: Set up the future for block 0
let verify_future = timeout(
Duration::from_secs(VERIFY_TIMEOUT_SECONDS),
ready_verifier_service.call(block0.clone()),
);
/// SPANDOC: Wait for the response for block 0
// TODO(teor || jlusby): check error kind
let verify_response = verify_future
.map_err(|e| eyre!(e))
.await
.expect("timeout should not happen")
.expect("block should verify");
assert_eq!(verify_response, hash0);
assert_eq!(
checkpoint_verifier.previous_checkpoint_height(),
FinalCheckpoint
);
assert_eq!(
checkpoint_verifier.target_checkpoint_height(),
FinishedVerifying
);
assert_eq!(
checkpoint_verifier.checkpoint_list.max_height(),
block::Height(0)
);
Ok(())
}
#[tokio::test(flavor = "multi_thread")]
async fn multi_item_checkpoint_list_test() -> Result<(), Report> {
multi_item_checkpoint_list().await
}
#[spandoc::spandoc]
async fn multi_item_checkpoint_list() -> Result<(), Report> {
let _init_guard = zebra_test::init();
// Parse all the blocks
let mut checkpoint_data = Vec::new();
for b in &[
// This list is used as a checkpoint list, and as a list of blocks to
// verify. So it must be continuous.
&zebra_test::vectors::BLOCK_MAINNET_GENESIS_BYTES[..],
&zebra_test::vectors::BLOCK_MAINNET_1_BYTES[..],
] {
let block = Arc::<Block>::zcash_deserialize(*b)?;
let hash = block.hash();
checkpoint_data.push((block.clone(), block.coinbase_height().unwrap(), hash));
}
// Make a checkpoint list containing all the blocks
let checkpoint_list: BTreeMap<block::Height, block::Hash> = checkpoint_data
.iter()
.map(|(_block, height, hash)| (*height, *hash))
.collect();
let state_service = zebra_state::init_test(Mainnet);
let mut checkpoint_verifier =
CheckpointVerifier::from_list(checkpoint_list, Mainnet, None, state_service)
.map_err(|e| eyre!(e))?;
assert_eq!(
checkpoint_verifier.previous_checkpoint_height(),
BeforeGenesis
);
assert_eq!(
checkpoint_verifier.target_checkpoint_height(),
WaitingForBlocks
);
assert_eq!(
checkpoint_verifier.checkpoint_list.max_height(),
block::Height(1)
);
// Now verify each block
for (block, height, hash) in checkpoint_data {
/// SPANDOC: Make sure the verifier service is ready
let ready_verifier_service = checkpoint_verifier.ready().map_err(|e| eyre!(e)).await?;
/// SPANDOC: Set up the future for block {?height}
let verify_future = timeout(
Duration::from_secs(VERIFY_TIMEOUT_SECONDS),
ready_verifier_service.call(block.clone()),
);
/// SPANDOC: Wait for the response for block {?height}
// TODO(teor || jlusby): check error kind
let verify_response = verify_future
.map_err(|e| eyre!(e))
.await
.expect("timeout should not happen")
.expect("future should succeed");
assert_eq!(verify_response, hash);
if height < checkpoint_verifier.checkpoint_list.max_height() {
assert_eq!(
checkpoint_verifier.previous_checkpoint_height(),
PreviousCheckpoint(height)
);
assert_eq!(
checkpoint_verifier.target_checkpoint_height(),
WaitingForBlocks
);
} else {
assert_eq!(
checkpoint_verifier.previous_checkpoint_height(),
FinalCheckpoint
);
assert_eq!(
checkpoint_verifier.target_checkpoint_height(),
FinishedVerifying
);
}
assert_eq!(
checkpoint_verifier.checkpoint_list.max_height(),
block::Height(1)
);
}
assert_eq!(
checkpoint_verifier.previous_checkpoint_height(),
FinalCheckpoint
);
assert_eq!(
checkpoint_verifier.target_checkpoint_height(),
FinishedVerifying
);
assert_eq!(
checkpoint_verifier.checkpoint_list.max_height(),
block::Height(1)
);
Ok(())
}
#[tokio::test(flavor = "multi_thread")]
async fn continuous_blockchain_no_restart() -> Result<(), Report> {
continuous_blockchain(None, Mainnet).await?;
continuous_blockchain(None, Testnet).await?;
Ok(())
}
#[tokio::test(flavor = "multi_thread")]
async fn continuous_blockchain_restart() -> Result<(), Report> {
for height in 0..zebra_test::vectors::CONTINUOUS_MAINNET_BLOCKS.len() {
continuous_blockchain(Some(block::Height(height.try_into().unwrap())), Mainnet).await?;
}
for height in 0..zebra_test::vectors::CONTINUOUS_TESTNET_BLOCKS.len() {
continuous_blockchain(Some(block::Height(height.try_into().unwrap())), Testnet).await?;
}
Ok(())
}
/// Test a continuous blockchain on `network`, restarting verification at `restart_height`.
//
// This span is far too verbose for use during normal testing.
// Turn the SPANDOC: comments into doc comments to re-enable.
//#[spandoc::spandoc]
async fn continuous_blockchain(
restart_height: Option<block::Height>,
network: Network,
) -> Result<(), Report> {
let _init_guard = zebra_test::init();
// A continuous blockchain
let blockchain = network.blockchain_iter();
let blockchain: Vec<_> = blockchain
.map(|(height, b)| {
let block = Arc::<Block>::zcash_deserialize(*b).unwrap();
let hash = block.hash();
let coinbase_height = block.coinbase_height().unwrap();
assert_eq!(*height, coinbase_height.0);
(block, coinbase_height, hash)
})
.collect();
let blockchain_len = blockchain.len();
// Use some of the blocks as checkpoints
// We use these indexes so that we test:
// - checkpoints don't have to be the same length
// - checkpoints start at genesis
// - checkpoints end at the end of the range (there's no point in having extra blocks)
let expected_max_height = block::Height((blockchain_len - 1).try_into().unwrap());
let checkpoint_list = [
&blockchain[0],
&blockchain[blockchain_len / 3],
&blockchain[blockchain_len / 2],
&blockchain[blockchain_len - 1],
];
let checkpoint_list: BTreeMap<block::Height, block::Hash> = checkpoint_list
.iter()
.map(|(_block, height, hash)| (*height, *hash))
.collect();
// SPANDOC: Verify blocks, restarting at {?restart_height} {?network}
{
let initial_tip = restart_height.map(|block::Height(height)| {
(blockchain[height as usize].1, blockchain[height as usize].2)
});
let state_service = zebra_state::init_test(Mainnet);
let mut checkpoint_verifier = CheckpointVerifier::from_list(
checkpoint_list,
network,
initial_tip,
state_service.clone(),
)
.map_err(|e| eyre!(e))?;
// Setup checks
if restart_height.is_some() {
assert!(
restart_height <= Some(checkpoint_verifier.checkpoint_list.max_height()),
"restart heights after the final checkpoint are not supported by this test"
);
}
if restart_height
.map(|h| h == checkpoint_verifier.checkpoint_list.max_height())
.unwrap_or(false)
{
assert_eq!(
checkpoint_verifier.previous_checkpoint_height(),
FinalCheckpoint
);
assert_eq!(
checkpoint_verifier.target_checkpoint_height(),
FinishedVerifying
);
} else {
assert_eq!(
checkpoint_verifier.previous_checkpoint_height(),
restart_height.map(InitialTip).unwrap_or(BeforeGenesis)
);
assert_eq!(
checkpoint_verifier.target_checkpoint_height(),
WaitingForBlocks
);
}
assert_eq!(
checkpoint_verifier.checkpoint_list.max_height(),
expected_max_height
);
let mut handles = FuturesUnordered::new();
// Now verify each block
for (block, height, _hash) in blockchain {
// Commit directly to the state until after the (fake) restart height
if let Some(restart_height) = restart_height {
if height <= restart_height {
let mut state_service = state_service.clone();
// SPANDOC: Make sure the state service is ready for block {?height}
let ready_state_service = state_service.ready().map_err(|e| eyre!(e)).await?;
// SPANDOC: Add block directly to the state {?height}
ready_state_service
.call(zebra_state::Request::CommitCheckpointVerifiedBlock(
block.clone().into(),
))
.await
.map_err(|e| eyre!(e))?;
// Skip verification for (fake) previous blocks
continue;
}
}
// SPANDOC: Make sure the verifier service is ready for block {?height}
let ready_verifier_service = checkpoint_verifier.ready().map_err(|e| eyre!(e)).await?;
// SPANDOC: Set up the future for block {?height}
let verify_future = timeout(
Duration::from_secs(VERIFY_TIMEOUT_SECONDS),
ready_verifier_service.call(block.clone()),
);
// SPANDOC: spawn verification future in the background for block {?height}
let handle = tokio::spawn(verify_future.in_current_span());
handles.push(handle);
// Execution checks
if height < checkpoint_verifier.checkpoint_list.max_height() {
assert_eq!(
checkpoint_verifier.target_checkpoint_height(),
WaitingForBlocks
);
} else {
assert_eq!(
checkpoint_verifier.previous_checkpoint_height(),
FinalCheckpoint
);
assert_eq!(
checkpoint_verifier.target_checkpoint_height(),
FinishedVerifying
);
}
}
// Check that we have the correct number of verify tasks
if let Some(block::Height(restart_height)) = restart_height {
let restart_height = restart_height as usize;
if restart_height == blockchain_len - 1 {
assert_eq!(
handles.len(),
0,
"unexpected number of verify tasks for restart height: {restart_height:?}",
);
} else {
assert_eq!(
handles.len(),
blockchain_len - restart_height - 1,
"unexpected number of verify tasks for restart height: {restart_height:?}",
);
}
} else {
assert_eq!(
handles.len(),
blockchain_len,
"unexpected number of verify tasks with no restart height",
);
}
// SPANDOC: wait on spawned verification tasks for restart height {?restart_height} {?network}
while let Some(result) = handles.next().await {
result??.map_err(|e| eyre!(e))?;
}
// Final checks
assert_eq!(
checkpoint_verifier.previous_checkpoint_height(),
FinalCheckpoint,
"unexpected previous checkpoint for restart height: {restart_height:?}",
);
assert_eq!(
checkpoint_verifier.target_checkpoint_height(),
FinishedVerifying,
"unexpected target checkpoint for restart height: {restart_height:?}",
);
assert_eq!(
checkpoint_verifier.checkpoint_list.max_height(),
expected_max_height,
"unexpected max checkpoint height for restart height: {restart_height:?}",
);
}
Ok(())
}
#[tokio::test(flavor = "multi_thread")]
async fn block_higher_than_max_checkpoint_fail_test() -> Result<(), Report> {
block_higher_than_max_checkpoint_fail().await
}
#[spandoc::spandoc]
async fn block_higher_than_max_checkpoint_fail() -> Result<(), Report> {
let _init_guard = zebra_test::init();
let block0 =
Arc::<Block>::zcash_deserialize(&zebra_test::vectors::BLOCK_MAINNET_GENESIS_BYTES[..])?;
let block415000 =
Arc::<Block>::zcash_deserialize(&zebra_test::vectors::BLOCK_MAINNET_415000_BYTES[..])?;
// Make a checkpoint list containing only the genesis block
let genesis_checkpoint_list: BTreeMap<block::Height, block::Hash> =
[(block0.coinbase_height().unwrap(), block0.as_ref().into())]
.iter()
.cloned()
.collect();
let state_service = zebra_state::init_test(Mainnet);
let mut checkpoint_verifier =
CheckpointVerifier::from_list(genesis_checkpoint_list, Mainnet, None, state_service)
.map_err(|e| eyre!(e))?;
assert_eq!(
checkpoint_verifier.previous_checkpoint_height(),
BeforeGenesis
);
assert_eq!(
checkpoint_verifier.target_checkpoint_height(),
WaitingForBlocks
);
assert_eq!(
checkpoint_verifier.checkpoint_list.max_height(),
block::Height(0)
);
/// SPANDOC: Make sure the verifier service is ready
let ready_verifier_service = checkpoint_verifier.ready().map_err(|e| eyre!(e)).await?;
/// SPANDOC: Set up the future for block 415000
let verify_future = timeout(
Duration::from_secs(VERIFY_TIMEOUT_SECONDS),
ready_verifier_service.call(block415000.clone()),
);
/// SPANDOC: Wait for the response for block 415000, and expect failure
// TODO(teor || jlusby): check error kind
let _ = verify_future
.map_err(|e| eyre!(e))
.await
.expect("timeout should not happen")
.expect_err("bad block hash should fail");
assert_eq!(
checkpoint_verifier.previous_checkpoint_height(),
BeforeGenesis
);
assert_eq!(
checkpoint_verifier.target_checkpoint_height(),
WaitingForBlocks
);
assert_eq!(
checkpoint_verifier.checkpoint_list.max_height(),
block::Height(0)
);
Ok(())
}
#[tokio::test(flavor = "multi_thread")]
async fn wrong_checkpoint_hash_fail_test() -> Result<(), Report> {
wrong_checkpoint_hash_fail().await
}
#[spandoc::spandoc]
async fn wrong_checkpoint_hash_fail() -> Result<(), Report> {
let _init_guard = zebra_test::init();
let good_block0 =
Arc::<Block>::zcash_deserialize(&zebra_test::vectors::BLOCK_MAINNET_GENESIS_BYTES[..])?;
let good_block0_hash = good_block0.hash();
// Change the header hash
let mut bad_block0 = good_block0.clone();
let bad_block0_mut = Arc::make_mut(&mut bad_block0);
Arc::make_mut(&mut bad_block0_mut.header).version = 5;
// Make a checkpoint list containing the genesis block checkpoint
let genesis_checkpoint_list: BTreeMap<block::Height, block::Hash> =
[(good_block0.coinbase_height().unwrap(), good_block0_hash)]
.iter()
.cloned()
.collect();
let state_service = zebra_state::init_test(Mainnet);
let mut checkpoint_verifier =
CheckpointVerifier::from_list(genesis_checkpoint_list, Mainnet, None, state_service)
.map_err(|e| eyre!(e))?;
assert_eq!(
checkpoint_verifier.previous_checkpoint_height(),
BeforeGenesis
);
assert_eq!(
checkpoint_verifier.target_checkpoint_height(),
WaitingForBlocks
);
assert_eq!(
checkpoint_verifier.checkpoint_list.max_height(),
block::Height(0)
);
/// SPANDOC: Make sure the verifier service is ready (1/3)
let ready_verifier_service = checkpoint_verifier.ready().map_err(|e| eyre!(e)).await?;
/// SPANDOC: Set up the future for bad block 0 (1/3)
// TODO(teor || jlusby): check error kind
let bad_verify_future_1 = timeout(
Duration::from_secs(VERIFY_TIMEOUT_SECONDS),
ready_verifier_service.call(bad_block0.clone()),
);
// We can't await the future yet, because bad blocks aren't cleared
// until the chain is verified
assert_eq!(
checkpoint_verifier.previous_checkpoint_height(),
BeforeGenesis
);
assert_eq!(
checkpoint_verifier.target_checkpoint_height(),
WaitingForBlocks
);
assert_eq!(
checkpoint_verifier.checkpoint_list.max_height(),
block::Height(0)
);
/// SPANDOC: Make sure the verifier service is ready (2/3)
let ready_verifier_service = checkpoint_verifier.ready().map_err(|e| eyre!(e)).await?;
/// SPANDOC: Set up the future for bad block 0 again (2/3)
// TODO(teor || jlusby): check error kind
let bad_verify_future_2 = timeout(
Duration::from_secs(VERIFY_TIMEOUT_SECONDS),
ready_verifier_service.call(bad_block0.clone()),
);
// We can't await the future yet, because bad blocks aren't cleared
// until the chain is verified
assert_eq!(
checkpoint_verifier.previous_checkpoint_height(),
BeforeGenesis
);
assert_eq!(
checkpoint_verifier.target_checkpoint_height(),
WaitingForBlocks
);
assert_eq!(
checkpoint_verifier.checkpoint_list.max_height(),
block::Height(0)
);
/// SPANDOC: Make sure the verifier service is ready (3/3)
let ready_verifier_service = checkpoint_verifier.ready().map_err(|e| eyre!(e)).await?;
/// SPANDOC: Set up the future for good block 0 (3/3)
let good_verify_future = timeout(
Duration::from_secs(VERIFY_TIMEOUT_SECONDS),
ready_verifier_service.call(good_block0.clone()),
);
/// SPANDOC: Wait for the response for good block 0, and expect success (3/3)
// TODO(teor || jlusby): check error kind
let verify_response = good_verify_future
.map_err(|e| eyre!(e))
.await
.expect("timeout should not happen")
.expect("future should succeed");
assert_eq!(verify_response, good_block0_hash);
assert_eq!(
checkpoint_verifier.previous_checkpoint_height(),
FinalCheckpoint
);
assert_eq!(
checkpoint_verifier.target_checkpoint_height(),
FinishedVerifying
);
assert_eq!(
checkpoint_verifier.checkpoint_list.max_height(),
block::Height(0)
);
// Now, await the bad futures, which should have completed
/// SPANDOC: Wait for the response for block 0, and expect failure (1/3)
// TODO(teor || jlusby): check error kind
let _ = bad_verify_future_1
.map_err(|e| eyre!(e))
.await
.expect("timeout should not happen")
.expect_err("bad block hash should fail");
assert_eq!(
checkpoint_verifier.previous_checkpoint_height(),
FinalCheckpoint
);
assert_eq!(
checkpoint_verifier.target_checkpoint_height(),
FinishedVerifying
);
assert_eq!(
checkpoint_verifier.checkpoint_list.max_height(),
block::Height(0)
);
/// SPANDOC: Wait for the response for block 0, and expect failure again (2/3)
// TODO(teor || jlusby): check error kind
let _ = bad_verify_future_2
.map_err(|e| eyre!(e))
.await
.expect("timeout should not happen")
.expect_err("bad block hash should fail");
assert_eq!(
checkpoint_verifier.previous_checkpoint_height(),
FinalCheckpoint
);
assert_eq!(
checkpoint_verifier.target_checkpoint_height(),
FinishedVerifying
);
assert_eq!(
checkpoint_verifier.checkpoint_list.max_height(),
block::Height(0)
);
Ok(())
}
#[tokio::test(flavor = "multi_thread")]
async fn checkpoint_drop_cancel_test() -> Result<(), Report> {
checkpoint_drop_cancel().await
}
#[spandoc::spandoc]
async fn checkpoint_drop_cancel() -> Result<(), Report> {
let _init_guard = zebra_test::init();
// Parse all the blocks
let mut checkpoint_data = Vec::new();
for b in &[
// Continuous blocks are verified
&zebra_test::vectors::BLOCK_MAINNET_GENESIS_BYTES[..],
&zebra_test::vectors::BLOCK_MAINNET_1_BYTES[..],
// Other blocks can't verify, so they are rejected on drop
&zebra_test::vectors::BLOCK_MAINNET_415000_BYTES[..],
&zebra_test::vectors::BLOCK_MAINNET_434873_BYTES[..],
] {
let block = Arc::<Block>::zcash_deserialize(*b)?;
let hash = block.hash();
checkpoint_data.push((block.clone(), block.coinbase_height().unwrap(), hash));
}
// Make a checkpoint list containing all the blocks
let checkpoint_list: BTreeMap<block::Height, block::Hash> = checkpoint_data
.iter()
.map(|(_block, height, hash)| (*height, *hash))
.collect();
let state_service = zebra_state::init_test(Mainnet);
let mut checkpoint_verifier =
CheckpointVerifier::from_list(checkpoint_list, Mainnet, None, state_service)
.map_err(|e| eyre!(e))?;
assert_eq!(
checkpoint_verifier.previous_checkpoint_height(),
BeforeGenesis
);
assert_eq!(
checkpoint_verifier.target_checkpoint_height(),
WaitingForBlocks
);
assert_eq!(
checkpoint_verifier.checkpoint_list.max_height(),
block::Height(434873)
);
let mut futures = Vec::new();
// Now collect verify futures for each block
for (block, height, hash) in checkpoint_data {
/// SPANDOC: Make sure the verifier service is ready
let ready_verifier_service = checkpoint_verifier.ready().map_err(|e| eyre!(e)).await?;
/// SPANDOC: Set up the future for block {?height}
let verify_future = timeout(
Duration::from_secs(VERIFY_TIMEOUT_SECONDS),
ready_verifier_service.call(block.clone()),
);
futures.push((verify_future, height, hash));
// Only continuous checkpoints verify
assert_eq!(
checkpoint_verifier.previous_checkpoint_height(),
PreviousCheckpoint(block::Height(min(height.0, 1)))
);
assert_eq!(
checkpoint_verifier.target_checkpoint_height(),
WaitingForBlocks
);
assert_eq!(
checkpoint_verifier.checkpoint_list.max_height(),
block::Height(434873)
);
}
// Now drop the verifier, to cancel the futures
drop(checkpoint_verifier);
for (verify_future, height, hash) in futures {
/// SPANDOC: Check the response for block {?height}
let verify_response = verify_future
.map_err(|e| eyre!(e))
.await
.expect("timeout should not happen");
if height <= block::Height(1) {
let verify_hash =
verify_response.expect("Continuous checkpoints should have succeeded before drop");
assert_eq!(verify_hash, hash);
} else {
// TODO(teor || jlusby): check error kind
verify_response.expect_err("Pending futures should fail on drop");
}
}
Ok(())
}
#[tokio::test(flavor = "multi_thread")]
async fn hard_coded_mainnet_test() -> Result<(), Report> {
hard_coded_mainnet().await
}
#[spandoc::spandoc]
async fn hard_coded_mainnet() -> Result<(), Report> {
let _init_guard = zebra_test::init();
let block0 =
Arc::<Block>::zcash_deserialize(&zebra_test::vectors::BLOCK_MAINNET_GENESIS_BYTES[..])?;
let hash0 = block0.hash();
let state_service = zebra_state::init_test(Mainnet);
// Use the hard-coded checkpoint list
let mut checkpoint_verifier = CheckpointVerifier::new(Network::Mainnet, None, state_service);
assert_eq!(
checkpoint_verifier.previous_checkpoint_height(),
BeforeGenesis
);
assert_eq!(
checkpoint_verifier.target_checkpoint_height(),
WaitingForBlocks
);
assert!(checkpoint_verifier.checkpoint_list.max_height() > block::Height(0));
/// SPANDOC: Make sure the verifier service is ready
let ready_verifier_service = checkpoint_verifier.ready().map_err(|e| eyre!(e)).await?;
/// SPANDOC: Set up the future for block 0
let verify_future = timeout(
Duration::from_secs(VERIFY_TIMEOUT_SECONDS),
ready_verifier_service.call(block0.clone()),
);
/// SPANDOC: Wait for the response for block 0
// TODO(teor || jlusby): check error kind
let verify_response = verify_future
.map_err(|e| eyre!(e))
.await
.expect("timeout should not happen")
.expect("block should verify");
assert_eq!(verify_response, hash0);
assert_eq!(
checkpoint_verifier.previous_checkpoint_height(),
PreviousCheckpoint(block::Height(0))
);
assert_eq!(
checkpoint_verifier.target_checkpoint_height(),
WaitingForBlocks
);
// The lists will get bigger over time, so we just pick a recent height
assert!(checkpoint_verifier.checkpoint_list.max_height() > block::Height(900_000));
Ok(())
}