Skip to content

Refactor TestEnv::wait_until_electrum_sees_block to be more concrete. #1640

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 1 commit into
base: master
Choose a base branch
from
Open

Refactor TestEnv::wait_until_electrum_sees_block to be more concrete. #1640

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
26 changes: 14 additions & 12 deletions crates/electrum/tests/test_electrum.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -297,7 +297,7 @@ pub fn test_update_tx_graph_without_keychain() -> anyhow::Result<()> {
None,
)?;
env.mine_blocks(1, None)?;
env.wait_until_electrum_sees_block(Duration::from_secs(6))?;
env.wait_until_electrum_tip_syncs_with_bitcoind(Duration::from_secs(6))?;

// use a full checkpoint linked list (since this is not what we are testing)
let cp_tip = env.make_checkpoint_tip();
Expand Down Expand Up @@ -409,7 +409,7 @@ pub fn test_update_tx_graph_stop_gap() -> anyhow::Result<()> {
None,
)?;
env.mine_blocks(1, None)?;
env.wait_until_electrum_sees_block(Duration::from_secs(6))?;
env.wait_until_electrum_tip_syncs_with_bitcoind(Duration::from_secs(6))?;

// use a full checkpoint linked list (since this is not what we are testing)
let cp_tip = env.make_checkpoint_tip();
Expand Down Expand Up @@ -453,7 +453,7 @@ pub fn test_update_tx_graph_stop_gap() -> anyhow::Result<()> {
None,
)?;
env.mine_blocks(1, None)?;
env.wait_until_electrum_sees_block(Duration::from_secs(6))?;
env.wait_until_electrum_tip_syncs_with_bitcoind(Duration::from_secs(6))?;

// A scan with gap limit 5 won't find the second transaction, but a scan with gap limit 6 will.
// The last active indice won't be updated in the first case but will in the second one.
Expand Down Expand Up @@ -521,7 +521,7 @@ fn test_sync() -> anyhow::Result<()> {

// Mine some blocks.
env.mine_blocks(101, Some(addr_to_mine))?;
env.wait_until_electrum_sees_block(Duration::from_secs(6))?;
env.wait_until_electrum_tip_syncs_with_bitcoind(Duration::from_secs(6))?;

// Broadcast transaction to mempool.
let txid = env.send(&addr_to_track, SEND_AMOUNT)?;
Expand All @@ -546,7 +546,7 @@ fn test_sync() -> anyhow::Result<()> {

// Mine block to confirm transaction.
env.mine_blocks(1, None)?;
env.wait_until_electrum_sees_block(Duration::from_secs(6))?;
env.wait_until_electrum_tip_syncs_with_bitcoind(Duration::from_secs(6))?;

let _ = sync_with_electrum(
&client,
Expand All @@ -567,7 +567,7 @@ fn test_sync() -> anyhow::Result<()> {

// Perform reorg on block with confirmed transaction.
env.reorg_empty_blocks(1)?;
env.wait_until_electrum_sees_block(Duration::from_secs(6))?;
env.wait_until_electrum_tip_syncs_with_bitcoind(Duration::from_secs(6))?;

let _ = sync_with_electrum(
&client,
Expand All @@ -587,7 +587,7 @@ fn test_sync() -> anyhow::Result<()> {

// Mine block to confirm transaction again.
env.mine_blocks(1, None)?;
env.wait_until_electrum_sees_block(Duration::from_secs(6))?;
env.wait_until_electrum_tip_syncs_with_bitcoind(Duration::from_secs(6))?;

let _ = sync_with_electrum(&client, [spk_to_track], &mut recv_chain, &mut recv_graph)?;

Expand Down Expand Up @@ -630,7 +630,8 @@ fn test_sync() -> anyhow::Result<()> {
Ok(())
}

/// Ensure that confirmed txs that are reorged become unconfirmed.
/// Ensure transactions can become unconfirmed during reorg.
/// ~Ensure that confirmed txs that are reorged become unconfirmed.~
///
/// 1. Mine 101 blocks.
/// 2. Mine 8 blocks with a confirmed tx in each.
Expand Down Expand Up @@ -674,7 +675,7 @@ fn tx_can_become_unconfirmed_after_reorg() -> anyhow::Result<()> {
}

// Sync up to tip.
env.wait_until_electrum_sees_block(Duration::from_secs(6))?;
env.wait_until_electrum_tip_syncs_with_bitcoind(Duration::from_secs(6))?;
let update = sync_with_electrum(
&client,
[spk_to_track.clone()],
Expand Down Expand Up @@ -705,7 +706,7 @@ fn tx_can_become_unconfirmed_after_reorg() -> anyhow::Result<()> {
for depth in 1..=REORG_COUNT {
env.reorg_empty_blocks(depth)?;

env.wait_until_electrum_sees_block(Duration::from_secs(6))?;
env.wait_until_electrum_tip_syncs_with_bitcoind(Duration::from_secs(6))?;
let update = sync_with_electrum(
&client,
[spk_to_track.clone()],
Expand All @@ -716,6 +717,7 @@ fn tx_can_become_unconfirmed_after_reorg() -> anyhow::Result<()> {
// Check that no new anchors are added during current reorg.
assert!(initial_anchors.is_superset(&update.tx_update.anchors));

// TODO: Fails here.
Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Nit: This is now outdated since the test passes.

assert_eq!(
get_balance(&recv_chain, &recv_graph)?,
Balance {
Expand Down Expand Up @@ -751,7 +753,7 @@ fn test_sync_with_coinbase() -> anyhow::Result<()> {

// Mine some blocks.
env.mine_blocks(101, Some(addr_to_track))?;
env.wait_until_electrum_sees_block(Duration::from_secs(6))?;
env.wait_until_electrum_tip_syncs_with_bitcoind(Duration::from_secs(6))?;

// Check to see if electrum syncs properly.
assert!(sync_with_electrum(
Expand Down Expand Up @@ -829,7 +831,7 @@ fn test_check_fee_calculation() -> anyhow::Result<()> {
};

// Sync up to tip.
env.wait_until_electrum_sees_block(Duration::from_secs(6))?;
env.wait_until_electrum_tip_syncs_with_bitcoind(Duration::from_secs(6))?;
let _ = sync_with_electrum(
&client,
[spk_to_track.clone()],
Expand Down
55 changes: 45 additions & 10 deletions crates/testenv/src/lib.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -188,18 +188,43 @@ impl TestEnv {
Ok((bt.height as usize, block.block_hash()))
}

/// This method waits for the Electrum notification indicating that a new block has been mined.
/// `timeout` is the maximum [`Duration`] we want to wait for a response from Electrsd.
pub fn wait_until_electrum_sees_block(&self, timeout: Duration) -> anyhow::Result<()> {
self.electrsd.client.block_headers_subscribe()?;
/// Wait until Electrum is aware of a block of a given `block_height` (and optionally, matches
/// the given `block_hash`).
pub fn wait_until_electrum_sees_block(
Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Since wait_until_electrum_sees_block now accepts any height and optional hash, would it be helpful to add unit tests for a non-tip height or a mismatched hash?

&self,
block_height: usize,
block_hash: Option<BlockHash>,
timeout: Duration,
) -> anyhow::Result<()> {
self.electrsd.trigger()?;
// NOTE: We use the subscribe endpoint because polling Electrs for a block header at
// `block_height` and verifying the `block_hash` does not ensure that the spk histories
// are current. In contrast, getting a notification for a new block tip ensures that the
// confirmed spk histories are current, including the new notified tip. This is a result of
// the internal workings of Electrs.
self.electrum_client().block_headers_subscribe()?;

let delay = Duration::from_millis(200);
let start = std::time::Instant::now();

while start.elapsed() < timeout {
self.electrsd.trigger()?;
self.electrsd.client.ping()?;
if self.electrsd.client.block_headers_pop()?.is_some() {
return Ok(());
self.electrum_client().ping()?;
if let Some(header_notif) = self.electrum_client().block_headers_pop()? {
if header_notif.height >= block_height {
let header = if header_notif.height == block_height {
header_notif.header
} else {
self.electrum_client().block_header(block_height)?
};
match block_hash {
None => return Ok(()),
Some(exp_hash) => {
if exp_hash == header.block_hash() {
return Ok(());
}
}
}
}
}

std::thread::sleep(delay);
Expand All @@ -210,6 +235,16 @@ impl TestEnv {
))
}

/// Wait until Electrum is aware of bitcoind's chain tip.
pub fn wait_until_electrum_tip_syncs_with_bitcoind(
&self,
timeout: Duration,
) -> anyhow::Result<()> {
let chain_height = self.rpc_client().get_block_count()?;
let chain_hash = self.rpc_client().get_block_hash(chain_height)?;
self.wait_until_electrum_sees_block(chain_height as _, Some(chain_hash), timeout)
}

/// This method waits for Electrsd to see a transaction with given `txid`. `timeout` is the
/// maximum [`Duration`] we want to wait for a response from Electrsd.
pub fn wait_until_electrum_sees_txid(
Expand Down Expand Up @@ -323,15 +358,15 @@ mod test {

// Mine some blocks.
env.mine_blocks(101, None)?;
env.wait_until_electrum_sees_block(Duration::from_secs(6))?;
env.wait_until_electrum_tip_syncs_with_bitcoind(Duration::from_secs(6))?;
let height = env.bitcoind.client.get_block_count()?;
let blocks = (0..=height)
.map(|i| env.bitcoind.client.get_block_hash(i))
.collect::<Result<Vec<_>, _>>()?;

// Perform reorg on six blocks.
env.reorg(6)?;
env.wait_until_electrum_sees_block(Duration::from_secs(6))?;
env.wait_until_electrum_tip_syncs_with_bitcoind(Duration::from_secs(6))?;
let reorged_height = env.bitcoind.client.get_block_count()?;
let reorged_blocks = (0..=height)
.map(|i| env.bitcoind.client.get_block_hash(i))
Expand Down
Loading