Move functional tests involving reorgs to reorg_test

functional_tests.rs is huge, so anything we can do to split it up
some is helpful. This also exposes a somewhat glaring lack of
reorgs in our existing tests.

Author: TheBlueMatt

lightning/src/ln/functional_tests.rs

@@ -51,7 +51,6 @@ use std::collections::{BTreeSet, HashMap, HashSet};
 use std::default::Default;
 use std::sync::Mutex;
 use std::sync::atomic::Ordering;
-use std::mem;
 
 use ln::functional_test_utils::*;
 use ln::chan_utils::CommitmentTransaction;
@@ -3532,37 +3531,6 @@ fn test_force_close_fail_back() {
 	check_spends!(node_txn[0], tx);
 }
 
-#[test]
-fn test_unconf_chan() {
-	// After creating a chan between nodes, we disconnect all blocks previously seen to force a channel close on nodes[0] side
-	let chanmon_cfgs = create_chanmon_cfgs(2);
-	let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
-	let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
-	let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
-	create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
-
-	let channel_state = nodes[0].node.channel_state.lock().unwrap();
-	assert_eq!(channel_state.by_id.len(), 1);
-	assert_eq!(channel_state.short_to_id.len(), 1);
-	mem::drop(channel_state);
-
-	let mut headers = Vec::new();
-	let mut header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
-	headers.push(header.clone());
-	for _i in 2..100 {
-		header = BlockHeader { version: 0x20000000, prev_blockhash: header.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
-		headers.push(header.clone());
-	}
-	while !headers.is_empty() {
-		nodes[0].node.block_disconnected(&headers.pop().unwrap());
-	}
-	check_closed_broadcast!(nodes[0], false);
-	check_added_monitors!(nodes[0], 1);
-	let channel_state = nodes[0].node.channel_state.lock().unwrap();
-	assert_eq!(channel_state.by_id.len(), 0);
-	assert_eq!(channel_state.short_to_id.len(), 0);
-}
-
 #[test]
 fn test_simple_peer_disconnect() {
 	// Test that we can reconnect when there are no lost messages
@@ -8054,103 +8022,6 @@ fn test_bump_penalty_txn_on_remote_commitment() {
 	nodes[1].node.get_and_clear_pending_msg_events();
 }
 
-#[test]
-fn test_set_outpoints_partial_claiming() {
-	// - remote party claim tx, new bump tx
-	// - disconnect remote claiming tx, new bump
-	// - disconnect tx, see no tx anymore
-	let chanmon_cfgs = create_chanmon_cfgs(2);
-	let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
-	let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
-	let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
-
-	let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 59000000, InitFeatures::known(), InitFeatures::known());
-	let payment_preimage_1 = route_payment(&nodes[1], &vec!(&nodes[0])[..], 3_000_000).0;
-	let payment_preimage_2 = route_payment(&nodes[1], &vec!(&nodes[0])[..], 3_000_000).0;
-
-	// Remote commitment txn with 4 outputs: to_local, to_remote, 2 outgoing HTLC
-	let remote_txn = get_local_commitment_txn!(nodes[1], chan.2);
-	assert_eq!(remote_txn.len(), 3);
-	assert_eq!(remote_txn[0].output.len(), 4);
-	assert_eq!(remote_txn[0].input.len(), 1);
-	assert_eq!(remote_txn[0].input[0].previous_output.txid, chan.3.txid());
-	check_spends!(remote_txn[1], remote_txn[0]);
-	check_spends!(remote_txn[2], remote_txn[0]);
-
-	// Connect blocks on node A to advance height towards TEST_FINAL_CLTV
-	let prev_header_100 = connect_blocks(&nodes[1], 100, 0, false, Default::default());
-	// Provide node A with both preimage
-	nodes[0].node.claim_funds(payment_preimage_1, &None, 3_000_000);
-	nodes[0].node.claim_funds(payment_preimage_2, &None, 3_000_000);
-	check_added_monitors!(nodes[0], 2);
-	nodes[0].node.get_and_clear_pending_events();
-	nodes[0].node.get_and_clear_pending_msg_events();
-
-	// Connect blocks on node A commitment transaction
-	let header = BlockHeader { version: 0x20000000, prev_blockhash: prev_header_100, merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
-	connect_block(&nodes[0], &Block { header, txdata: vec![remote_txn[0].clone()] }, 101);
-	check_closed_broadcast!(nodes[0], false);
-	check_added_monitors!(nodes[0], 1);
-	// Verify node A broadcast tx claiming both HTLCs
-	{
-		let mut node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
-		// ChannelMonitor: claim tx, ChannelManager: local commitment tx + HTLC-Success*2
-		assert_eq!(node_txn.len(), 4);
-		check_spends!(node_txn[0], remote_txn[0]);
-		check_spends!(node_txn[1], chan.3);
-		check_spends!(node_txn[2], node_txn[1]);
-		check_spends!(node_txn[3], node_txn[1]);
-		assert_eq!(node_txn[0].input.len(), 2);
-		node_txn.clear();
-	}
-
-	// Connect blocks on node B
-	connect_blocks(&nodes[1], 135, 0, false, Default::default());
-	check_closed_broadcast!(nodes[1], false);
-	check_added_monitors!(nodes[1], 1);
-	// Verify node B broadcast 2 HTLC-timeout txn
-	let partial_claim_tx = {
-		let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
-		assert_eq!(node_txn.len(), 3);
-		check_spends!(node_txn[1], node_txn[0]);
-		check_spends!(node_txn[2], node_txn[0]);
-		assert_eq!(node_txn[1].input.len(), 1);
-		assert_eq!(node_txn[2].input.len(), 1);
-		node_txn[1].clone()
-	};
-
-	// Broadcast partial claim on node A, should regenerate a claiming tx with HTLC dropped
-	let header = BlockHeader { version: 0x20000000, prev_blockhash: header.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
-	connect_block(&nodes[0], &Block { header, txdata: vec![partial_claim_tx.clone()] }, 102);
-	{
-		let mut node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
-		assert_eq!(node_txn.len(), 1);
-		check_spends!(node_txn[0], remote_txn[0]);
-		assert_eq!(node_txn[0].input.len(), 1); //dropped HTLC
-		node_txn.clear();
-	}
-	nodes[0].node.get_and_clear_pending_msg_events();
-
-	// Disconnect last block on node A, should regenerate a claiming tx with HTLC dropped
-	disconnect_block(&nodes[0], &header, 102);
-	{
-		let mut node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
-		assert_eq!(node_txn.len(), 1);
-		check_spends!(node_txn[0], remote_txn[0]);
-		assert_eq!(node_txn[0].input.len(), 2); //resurrected HTLC
-		node_txn.clear();
-	}
-
-	//// Disconnect one more block and then reconnect multiple no transaction should be generated
-	disconnect_block(&nodes[0], &header, 101);
-	connect_blocks(&nodes[1], 15, 101, false, prev_header_100);
-	{
-		let mut node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
-		assert_eq!(node_txn.len(), 0);
-		node_txn.clear();
-	}
-}
-
 #[test]
 fn test_counterparty_raa_skip_no_crash() {
 	// Previously, if our counterparty sent two RAAs in a row without us having provided a

lightning/src/ln/reorg_tests.rs

@@ -17,6 +17,7 @@ use util::events::{Event, EventsProvider, MessageSendEvent, MessageSendEventsPro
 use bitcoin::blockdata::block::{Block, BlockHeader};
 
 use std::default::Default;
+use std::mem;
 
 use ln::functional_test_utils::*;
 
@@ -180,3 +181,131 @@ fn test_onchain_htlc_claim_reorg_remote_commitment() {
 fn test_onchain_htlc_timeout_delay_remote_commitment() {
 	do_test_onchain_htlc_reorg(false, false);
 }
+
+#[test]
+fn test_unconf_chan() {
+	// After creating a chan between nodes, we disconnect all blocks previously seen to force a channel close on nodes[0] side
+	let chanmon_cfgs = create_chanmon_cfgs(2);
+	let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
+	let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
+	let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
+	create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
+
+	let channel_state = nodes[0].node.channel_state.lock().unwrap();
+	assert_eq!(channel_state.by_id.len(), 1);
+	assert_eq!(channel_state.short_to_id.len(), 1);
+	mem::drop(channel_state);
+
+	let mut headers = Vec::new();
+	let mut header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+	headers.push(header.clone());
+	for _i in 2..100 {
+		header = BlockHeader { version: 0x20000000, prev_blockhash: header.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+		headers.push(header.clone());
+	}
+	while !headers.is_empty() {
+		nodes[0].node.block_disconnected(&headers.pop().unwrap());
+	}
+	check_closed_broadcast!(nodes[0], false);
+	check_added_monitors!(nodes[0], 1);
+	let channel_state = nodes[0].node.channel_state.lock().unwrap();
+	assert_eq!(channel_state.by_id.len(), 0);
+	assert_eq!(channel_state.short_to_id.len(), 0);
+}
+
+#[test]
+fn test_set_outpoints_partial_claiming() {
+	// - remote party claim tx, new bump tx
+	// - disconnect remote claiming tx, new bump
+	// - disconnect tx, see no tx anymore
+	let chanmon_cfgs = create_chanmon_cfgs(2);
+	let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
+	let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
+	let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
+
+	let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 59000000, InitFeatures::known(), InitFeatures::known());
+	let payment_preimage_1 = route_payment(&nodes[1], &vec!(&nodes[0])[..], 3_000_000).0;
+	let payment_preimage_2 = route_payment(&nodes[1], &vec!(&nodes[0])[..], 3_000_000).0;
+
+	// Remote commitment txn with 4 outputs: to_local, to_remote, 2 outgoing HTLC
+	let remote_txn = get_local_commitment_txn!(nodes[1], chan.2);
+	assert_eq!(remote_txn.len(), 3);
+	assert_eq!(remote_txn[0].output.len(), 4);
+	assert_eq!(remote_txn[0].input.len(), 1);
+	assert_eq!(remote_txn[0].input[0].previous_output.txid, chan.3.txid());
+	check_spends!(remote_txn[1], remote_txn[0]);
+	check_spends!(remote_txn[2], remote_txn[0]);
+
+	// Connect blocks on node A to advance height towards TEST_FINAL_CLTV
+	let prev_header_100 = connect_blocks(&nodes[1], 100, 0, false, Default::default());
+	// Provide node A with both preimage
+	nodes[0].node.claim_funds(payment_preimage_1, &None, 3_000_000);
+	nodes[0].node.claim_funds(payment_preimage_2, &None, 3_000_000);
+	check_added_monitors!(nodes[0], 2);
+	nodes[0].node.get_and_clear_pending_events();
+	nodes[0].node.get_and_clear_pending_msg_events();
+
+	// Connect blocks on node A commitment transaction
+	let header = BlockHeader { version: 0x20000000, prev_blockhash: prev_header_100, merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+	connect_block(&nodes[0], &Block { header, txdata: vec![remote_txn[0].clone()] }, 101);
+	check_closed_broadcast!(nodes[0], false);
+	check_added_monitors!(nodes[0], 1);
+	// Verify node A broadcast tx claiming both HTLCs
+	{
+		let mut node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
+		// ChannelMonitor: claim tx, ChannelManager: local commitment tx + HTLC-Success*2
+		assert_eq!(node_txn.len(), 4);
+		check_spends!(node_txn[0], remote_txn[0]);
+		check_spends!(node_txn[1], chan.3);
+		check_spends!(node_txn[2], node_txn[1]);
+		check_spends!(node_txn[3], node_txn[1]);
+		assert_eq!(node_txn[0].input.len(), 2);
+		node_txn.clear();
+	}
+
+	// Connect blocks on node B
+	connect_blocks(&nodes[1], 135, 0, false, Default::default());
+	check_closed_broadcast!(nodes[1], false);
+	check_added_monitors!(nodes[1], 1);
+	// Verify node B broadcast 2 HTLC-timeout txn
+	let partial_claim_tx = {
+		let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
+		assert_eq!(node_txn.len(), 3);
+		check_spends!(node_txn[1], node_txn[0]);
+		check_spends!(node_txn[2], node_txn[0]);
+		assert_eq!(node_txn[1].input.len(), 1);
+		assert_eq!(node_txn[2].input.len(), 1);
+		node_txn[1].clone()
+	};
+
+	// Broadcast partial claim on node A, should regenerate a claiming tx with HTLC dropped
+	let header = BlockHeader { version: 0x20000000, prev_blockhash: header.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+	connect_block(&nodes[0], &Block { header, txdata: vec![partial_claim_tx.clone()] }, 102);
+	{
+		let mut node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
+		assert_eq!(node_txn.len(), 1);
+		check_spends!(node_txn[0], remote_txn[0]);
+		assert_eq!(node_txn[0].input.len(), 1); //dropped HTLC
+		node_txn.clear();
+	}
+	nodes[0].node.get_and_clear_pending_msg_events();
+
+	// Disconnect last block on node A, should regenerate a claiming tx with HTLC dropped
+	disconnect_block(&nodes[0], &header, 102);
+	{
+		let mut node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
+		assert_eq!(node_txn.len(), 1);
+		check_spends!(node_txn[0], remote_txn[0]);
+		assert_eq!(node_txn[0].input.len(), 2); //resurrected HTLC
+		node_txn.clear();
+	}
+
+	//// Disconnect one more block and then reconnect multiple no transaction should be generated
+	disconnect_block(&nodes[0], &header, 101);
+	connect_blocks(&nodes[1], 15, 101, false, prev_header_100);
+	{
+		let mut node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
+		assert_eq!(node_txn.len(), 0);
+		node_txn.clear();
+	}
+}