+ use hex;
+
+ use secp256k1::{Secp256k1, Message};
+ use secp256k1::key::{PublicKey,SecretKey};
+
+ use crypto::sha2::Sha256;
+ use crypto::digest::Digest;
+
+ use rand::{thread_rng,Rng};
+
+ use std::cell::RefCell;
+ use std::collections::{BTreeSet, HashMap};
+ use std::default::Default;
+ use std::rc::Rc;
+ use std::sync::{Arc, Mutex};
+ use std::time::Instant;
+ use std::mem;
+
+ fn build_test_onion_keys() -> Vec<OnionKeys> {
+ // Keys from BOLT 4, used in both test vector tests
+ let secp_ctx = Secp256k1::new();
+
+ let route = Route {
+ hops: vec!(
+ RouteHop {
+ pubkey: PublicKey::from_slice(&secp_ctx, &hex::decode("02eec7245d6b7d2ccb30380bfbe2a3648cd7a942653f5aa340edcea1f283686619").unwrap()[..]).unwrap(),
+ short_channel_id: 0, fee_msat: 0, cltv_expiry_delta: 0 // Test vectors are garbage and not generateble from a RouteHop, we fill in payloads manually
+ },
+ RouteHop {
+ pubkey: PublicKey::from_slice(&secp_ctx, &hex::decode("0324653eac434488002cc06bbfb7f10fe18991e35f9fe4302dbea6d2353dc0ab1c").unwrap()[..]).unwrap(),
+ short_channel_id: 0, fee_msat: 0, cltv_expiry_delta: 0 // Test vectors are garbage and not generateble from a RouteHop, we fill in payloads manually
+ },
+ RouteHop {
+ pubkey: PublicKey::from_slice(&secp_ctx, &hex::decode("027f31ebc5462c1fdce1b737ecff52d37d75dea43ce11c74d25aa297165faa2007").unwrap()[..]).unwrap(),
+ short_channel_id: 0, fee_msat: 0, cltv_expiry_delta: 0 // Test vectors are garbage and not generateble from a RouteHop, we fill in payloads manually
+ },
+ RouteHop {
+ pubkey: PublicKey::from_slice(&secp_ctx, &hex::decode("032c0b7cf95324a07d05398b240174dc0c2be444d96b159aa6c7f7b1e668680991").unwrap()[..]).unwrap(),
+ short_channel_id: 0, fee_msat: 0, cltv_expiry_delta: 0 // Test vectors are garbage and not generateble from a RouteHop, we fill in payloads manually
+ },
+ RouteHop {
+ pubkey: PublicKey::from_slice(&secp_ctx, &hex::decode("02edabbd16b41c8371b92ef2f04c1185b4f03b6dcd52ba9b78d9d7c89c8f221145").unwrap()[..]).unwrap(),
+ short_channel_id: 0, fee_msat: 0, cltv_expiry_delta: 0 // Test vectors are garbage and not generateble from a RouteHop, we fill in payloads manually
+ },
+ ),
+ };
+
+ let session_priv = SecretKey::from_slice(&secp_ctx, &hex::decode("4141414141414141414141414141414141414141414141414141414141414141").unwrap()[..]).unwrap();
+
+ let onion_keys = ChannelManager::construct_onion_keys(&secp_ctx, &route, &session_priv).unwrap();
+ assert_eq!(onion_keys.len(), route.hops.len());
+ onion_keys
+ }
+
+ #[test]
+ fn onion_vectors() {
+ // Packet creation test vectors from BOLT 4
+ let onion_keys = build_test_onion_keys();
+
+ assert_eq!(onion_keys[0].shared_secret[..], hex::decode("53eb63ea8a3fec3b3cd433b85cd62a4b145e1dda09391b348c4e1cd36a03ea66").unwrap()[..]);
+ assert_eq!(onion_keys[0].blinding_factor[..], hex::decode("2ec2e5da605776054187180343287683aa6a51b4b1c04d6dd49c45d8cffb3c36").unwrap()[..]);
+ assert_eq!(onion_keys[0].ephemeral_pubkey.serialize()[..], hex::decode("02eec7245d6b7d2ccb30380bfbe2a3648cd7a942653f5aa340edcea1f283686619").unwrap()[..]);
+ assert_eq!(onion_keys[0].rho, hex::decode("ce496ec94def95aadd4bec15cdb41a740c9f2b62347c4917325fcc6fb0453986").unwrap()[..]);
+ assert_eq!(onion_keys[0].mu, hex::decode("b57061dc6d0a2b9f261ac410c8b26d64ac5506cbba30267a649c28c179400eba").unwrap()[..]);
+
+ assert_eq!(onion_keys[1].shared_secret[..], hex::decode("a6519e98832a0b179f62123b3567c106db99ee37bef036e783263602f3488fae").unwrap()[..]);
+ assert_eq!(onion_keys[1].blinding_factor[..], hex::decode("bf66c28bc22e598cfd574a1931a2bafbca09163df2261e6d0056b2610dab938f").unwrap()[..]);
+ assert_eq!(onion_keys[1].ephemeral_pubkey.serialize()[..], hex::decode("028f9438bfbf7feac2e108d677e3a82da596be706cc1cf342b75c7b7e22bf4e6e2").unwrap()[..]);
+ assert_eq!(onion_keys[1].rho, hex::decode("450ffcabc6449094918ebe13d4f03e433d20a3d28a768203337bc40b6e4b2c59").unwrap()[..]);
+ assert_eq!(onion_keys[1].mu, hex::decode("05ed2b4a3fb023c2ff5dd6ed4b9b6ea7383f5cfe9d59c11d121ec2c81ca2eea9").unwrap()[..]);
+
+ assert_eq!(onion_keys[2].shared_secret[..], hex::decode("3a6b412548762f0dbccce5c7ae7bb8147d1caf9b5471c34120b30bc9c04891cc").unwrap()[..]);
+ assert_eq!(onion_keys[2].blinding_factor[..], hex::decode("a1f2dadd184eb1627049673f18c6325814384facdee5bfd935d9cb031a1698a5").unwrap()[..]);
+ assert_eq!(onion_keys[2].ephemeral_pubkey.serialize()[..], hex::decode("03bfd8225241ea71cd0843db7709f4c222f62ff2d4516fd38b39914ab6b83e0da0").unwrap()[..]);
+ assert_eq!(onion_keys[2].rho, hex::decode("11bf5c4f960239cb37833936aa3d02cea82c0f39fd35f566109c41f9eac8deea").unwrap()[..]);
+ assert_eq!(onion_keys[2].mu, hex::decode("caafe2820fa00eb2eeb78695ae452eba38f5a53ed6d53518c5c6edf76f3f5b78").unwrap()[..]);
+
+ assert_eq!(onion_keys[3].shared_secret[..], hex::decode("21e13c2d7cfe7e18836df50872466117a295783ab8aab0e7ecc8c725503ad02d").unwrap()[..]);
+ assert_eq!(onion_keys[3].blinding_factor[..], hex::decode("7cfe0b699f35525029ae0fa437c69d0f20f7ed4e3916133f9cacbb13c82ff262").unwrap()[..]);
+ assert_eq!(onion_keys[3].ephemeral_pubkey.serialize()[..], hex::decode("031dde6926381289671300239ea8e57ffaf9bebd05b9a5b95beaf07af05cd43595").unwrap()[..]);
+ assert_eq!(onion_keys[3].rho, hex::decode("cbe784ab745c13ff5cffc2fbe3e84424aa0fd669b8ead4ee562901a4a4e89e9e").unwrap()[..]);
+ assert_eq!(onion_keys[3].mu, hex::decode("5052aa1b3d9f0655a0932e50d42f0c9ba0705142c25d225515c45f47c0036ee9").unwrap()[..]);
+
+ assert_eq!(onion_keys[4].shared_secret[..], hex::decode("b5756b9b542727dbafc6765a49488b023a725d631af688fc031217e90770c328").unwrap()[..]);
+ assert_eq!(onion_keys[4].blinding_factor[..], hex::decode("c96e00dddaf57e7edcd4fb5954be5b65b09f17cb6d20651b4e90315be5779205").unwrap()[..]);
+ assert_eq!(onion_keys[4].ephemeral_pubkey.serialize()[..], hex::decode("03a214ebd875aab6ddfd77f22c5e7311d7f77f17a169e599f157bbcdae8bf071f4").unwrap()[..]);
+ assert_eq!(onion_keys[4].rho, hex::decode("034e18b8cc718e8af6339106e706c52d8df89e2b1f7e9142d996acf88df8799b").unwrap()[..]);
+ assert_eq!(onion_keys[4].mu, hex::decode("8e45e5c61c2b24cb6382444db6698727afb063adecd72aada233d4bf273d975a").unwrap()[..]);
+
+ // Test vectors below are flat-out wrong: they claim to set outgoing_cltv_value to non-0 :/
+ let payloads = vec!(
+ msgs::OnionHopData {
+ realm: 0,
+ data: msgs::OnionRealm0HopData {
+ short_channel_id: 0,
+ amt_to_forward: 0,
+ outgoing_cltv_value: 0,
+ },
+ hmac: [0; 32],
+ },
+ msgs::OnionHopData {
+ realm: 0,
+ data: msgs::OnionRealm0HopData {
+ short_channel_id: 0x0101010101010101,
+ amt_to_forward: 0x0100000001,
+ outgoing_cltv_value: 0,
+ },
+ hmac: [0; 32],
+ },
+ msgs::OnionHopData {
+ realm: 0,
+ data: msgs::OnionRealm0HopData {
+ short_channel_id: 0x0202020202020202,
+ amt_to_forward: 0x0200000002,
+ outgoing_cltv_value: 0,
+ },
+ hmac: [0; 32],
+ },
+ msgs::OnionHopData {
+ realm: 0,
+ data: msgs::OnionRealm0HopData {
+ short_channel_id: 0x0303030303030303,
+ amt_to_forward: 0x0300000003,
+ outgoing_cltv_value: 0,
+ },
+ hmac: [0; 32],
+ },
+ msgs::OnionHopData {
+ realm: 0,
+ data: msgs::OnionRealm0HopData {
+ short_channel_id: 0x0404040404040404,
+ amt_to_forward: 0x0400000004,
+ outgoing_cltv_value: 0,
+ },
+ hmac: [0; 32],
+ },
+ );
+
+ let packet = ChannelManager::construct_onion_packet(payloads, onion_keys, &[0x42; 32]);
+ // Just check the final packet encoding, as it includes all the per-hop vectors in it
+ // anyway...
+ assert_eq!(packet.encode(), hex::decode("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").unwrap());
+ }
+
+ #[test]
+ fn test_failure_packet_onion() {
+ // Returning Errors test vectors from BOLT 4
+
+ let onion_keys = build_test_onion_keys();
+ let onion_error = ChannelManager::build_failure_packet(&onion_keys[4].shared_secret, 0x2002, &[0; 0]);
+ assert_eq!(onion_error.encode(), hex::decode("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").unwrap());
+
+ let onion_packet_1 = ChannelManager::encrypt_failure_packet(&onion_keys[4].shared_secret, &onion_error.encode()[..]);
+ assert_eq!(onion_packet_1.data, hex::decode("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").unwrap());
+
+ let onion_packet_2 = ChannelManager::encrypt_failure_packet(&onion_keys[3].shared_secret, &onion_packet_1.data[..]);
+ assert_eq!(onion_packet_2.data, hex::decode("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").unwrap());
+
+ let onion_packet_3 = ChannelManager::encrypt_failure_packet(&onion_keys[2].shared_secret, &onion_packet_2.data[..]);
+ assert_eq!(onion_packet_3.data, hex::decode("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").unwrap());
+
+ let onion_packet_4 = ChannelManager::encrypt_failure_packet(&onion_keys[1].shared_secret, &onion_packet_3.data[..]);
+ assert_eq!(onion_packet_4.data, hex::decode("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").unwrap());
+
+ let onion_packet_5 = ChannelManager::encrypt_failure_packet(&onion_keys[0].shared_secret, &onion_packet_4.data[..]);
+ assert_eq!(onion_packet_5.data, hex::decode("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").unwrap());
+ }
+
+ fn confirm_transaction(chain: &chaininterface::ChainWatchInterfaceUtil, tx: &Transaction, chan_id: u32) {
+ assert!(chain.does_match_tx(tx));
+ let mut header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ chain.block_connected_checked(&header, 1, &[tx; 1], &[chan_id; 1]);
+ for i in 2..100 {
+ header = BlockHeader { version: 0x20000000, prev_blockhash: header.bitcoin_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ chain.block_connected_checked(&header, i, &[tx; 0], &[0; 0]);
+ }
+ }
+
+ struct Node {
+ chain_monitor: Arc<chaininterface::ChainWatchInterfaceUtil>,
+ tx_broadcaster: Arc<test_utils::TestBroadcaster>,
+ chan_monitor: Arc<test_utils::TestChannelMonitor>,
+ node: Arc<ChannelManager>,
+ router: Router,
+ network_payment_count: Rc<RefCell<u8>>,
+ network_chan_count: Rc<RefCell<u32>>,
+ }
+ impl Drop for Node {
+ fn drop(&mut self) {
+ if !::std::thread::panicking() {
+ // Check that we processed all pending events
+ assert_eq!(self.node.get_and_clear_pending_events().len(), 0);
+ assert_eq!(self.chan_monitor.added_monitors.lock().unwrap().len(), 0);
+ }
+ }
+ }
+
+ fn create_chan_between_nodes(node_a: &Node, node_b: &Node) -> (msgs::ChannelAnnouncement, msgs::ChannelUpdate, msgs::ChannelUpdate, [u8; 32], Transaction) {
+ create_chan_between_nodes_with_value(node_a, node_b, 100000, 10001)
+ }
+
+ fn create_chan_between_nodes_with_value(node_a: &Node, node_b: &Node, channel_value: u64, push_msat: u64) -> (msgs::ChannelAnnouncement, msgs::ChannelUpdate, msgs::ChannelUpdate, [u8; 32], Transaction) {
+ let (funding_locked, channel_id, tx) = create_chan_between_nodes_with_value_a(node_a, node_b, channel_value, push_msat);
+ let (announcement, as_update, bs_update) = create_chan_between_nodes_with_value_b(node_a, node_b, &funding_locked);
+ (announcement, as_update, bs_update, channel_id, tx)
+ }
+
+ fn create_chan_between_nodes_with_value_init(node_a: &Node, node_b: &Node, channel_value: u64, push_msat: u64) -> Transaction {
+ node_a.node.create_channel(node_b.node.get_our_node_id(), channel_value, push_msat, 42).unwrap();
+
+ let events_1 = node_a.node.get_and_clear_pending_events();
+ assert_eq!(events_1.len(), 1);
+ let accept_chan = match events_1[0] {
+ Event::SendOpenChannel { ref node_id, ref msg } => {
+ assert_eq!(*node_id, node_b.node.get_our_node_id());
+ node_b.node.handle_open_channel(&node_a.node.get_our_node_id(), msg).unwrap()
+ },
+ _ => panic!("Unexpected event"),
+ };
+
+ node_a.node.handle_accept_channel(&node_b.node.get_our_node_id(), &accept_chan).unwrap();
+
+ let chan_id = *node_a.network_chan_count.borrow();
+ let tx;
+ let funding_output;
+
+ let events_2 = node_a.node.get_and_clear_pending_events();
+ assert_eq!(events_2.len(), 1);
+ match events_2[0] {
+ Event::FundingGenerationReady { ref temporary_channel_id, ref channel_value_satoshis, ref output_script, user_channel_id } => {
+ assert_eq!(*channel_value_satoshis, channel_value);
+ assert_eq!(user_channel_id, 42);
+
+ tx = Transaction { version: chan_id as u32, lock_time: 0, input: Vec::new(), output: vec![TxOut {
+ value: *channel_value_satoshis, script_pubkey: output_script.clone(),
+ }]};
+ funding_output = OutPoint::new(Sha256dHash::from_data(&serialize(&tx).unwrap()[..]), 0);
+
+ node_a.node.funding_transaction_generated(&temporary_channel_id, funding_output);
+ let mut added_monitors = node_a.chan_monitor.added_monitors.lock().unwrap();
+ assert_eq!(added_monitors.len(), 1);
+ assert_eq!(added_monitors[0].0, funding_output);
+ added_monitors.clear();
+ },
+ _ => panic!("Unexpected event"),
+ }
+
+ let events_3 = node_a.node.get_and_clear_pending_events();
+ assert_eq!(events_3.len(), 1);
+ let funding_signed = match events_3[0] {
+ Event::SendFundingCreated { ref node_id, ref msg } => {
+ assert_eq!(*node_id, node_b.node.get_our_node_id());
+ let res = node_b.node.handle_funding_created(&node_a.node.get_our_node_id(), msg).unwrap();
+ let mut added_monitors = node_b.chan_monitor.added_monitors.lock().unwrap();
+ assert_eq!(added_monitors.len(), 1);
+ assert_eq!(added_monitors[0].0, funding_output);
+ added_monitors.clear();
+ res
+ },
+ _ => panic!("Unexpected event"),
+ };
+
+ node_a.node.handle_funding_signed(&node_b.node.get_our_node_id(), &funding_signed).unwrap();
+ {
+ let mut added_monitors = node_a.chan_monitor.added_monitors.lock().unwrap();
+ assert_eq!(added_monitors.len(), 1);
+ assert_eq!(added_monitors[0].0, funding_output);
+ added_monitors.clear();
+ }
+
+ let events_4 = node_a.node.get_and_clear_pending_events();
+ assert_eq!(events_4.len(), 1);
+ match events_4[0] {
+ Event::FundingBroadcastSafe { ref funding_txo, user_channel_id } => {
+ assert_eq!(user_channel_id, 42);
+ assert_eq!(*funding_txo, funding_output);
+ },
+ _ => panic!("Unexpected event"),
+ };
+
+ tx
+ }
+
+ fn create_chan_between_nodes_with_value_confirm(node_a: &Node, node_b: &Node, tx: &Transaction) -> ((msgs::FundingLocked, msgs::AnnouncementSignatures), [u8; 32]) {
+ confirm_transaction(&node_b.chain_monitor, &tx, tx.version);
+ let events_5 = node_b.node.get_and_clear_pending_events();
+ assert_eq!(events_5.len(), 1);
+ match events_5[0] {
+ Event::SendFundingLocked { ref node_id, ref msg, ref announcement_sigs } => {
+ assert_eq!(*node_id, node_a.node.get_our_node_id());
+ assert!(announcement_sigs.is_none());
+ node_a.node.handle_funding_locked(&node_b.node.get_our_node_id(), msg).unwrap()
+ },
+ _ => panic!("Unexpected event"),
+ };
+
+ let channel_id;
+
+ confirm_transaction(&node_a.chain_monitor, &tx, tx.version);
+ let events_6 = node_a.node.get_and_clear_pending_events();
+ assert_eq!(events_6.len(), 1);
+ (match events_6[0] {
+ Event::SendFundingLocked { ref node_id, ref msg, ref announcement_sigs } => {
+ channel_id = msg.channel_id.clone();
+ assert_eq!(*node_id, node_b.node.get_our_node_id());
+ (msg.clone(), announcement_sigs.clone().unwrap())
+ },
+ _ => panic!("Unexpected event"),
+ }, channel_id)
+ }
+
+ fn create_chan_between_nodes_with_value_a(node_a: &Node, node_b: &Node, channel_value: u64, push_msat: u64) -> ((msgs::FundingLocked, msgs::AnnouncementSignatures), [u8; 32], Transaction) {
+ let tx = create_chan_between_nodes_with_value_init(node_a, node_b, channel_value, push_msat);
+ let (msgs, chan_id) = create_chan_between_nodes_with_value_confirm(node_a, node_b, &tx);
+ (msgs, chan_id, tx)
+ }
+
+ fn create_chan_between_nodes_with_value_b(node_a: &Node, node_b: &Node, as_funding_msgs: &(msgs::FundingLocked, msgs::AnnouncementSignatures)) -> (msgs::ChannelAnnouncement, msgs::ChannelUpdate, msgs::ChannelUpdate) {
+ let bs_announcement_sigs = {
+ let bs_announcement_sigs = node_b.node.handle_funding_locked(&node_a.node.get_our_node_id(), &as_funding_msgs.0).unwrap().unwrap();
+ node_b.node.handle_announcement_signatures(&node_a.node.get_our_node_id(), &as_funding_msgs.1).unwrap();
+ bs_announcement_sigs
+ };
+
+ let events_7 = node_b.node.get_and_clear_pending_events();
+ assert_eq!(events_7.len(), 1);
+ let (announcement, bs_update) = match events_7[0] {
+ Event::BroadcastChannelAnnouncement { ref msg, ref update_msg } => {
+ (msg, update_msg)
+ },
+ _ => panic!("Unexpected event"),
+ };
+
+ node_a.node.handle_announcement_signatures(&node_b.node.get_our_node_id(), &bs_announcement_sigs).unwrap();
+ let events_8 = node_a.node.get_and_clear_pending_events();
+ assert_eq!(events_8.len(), 1);
+ let as_update = match events_8[0] {
+ Event::BroadcastChannelAnnouncement { ref msg, ref update_msg } => {
+ assert!(*announcement == *msg);
+ update_msg
+ },
+ _ => panic!("Unexpected event"),
+ };
+
+ *node_a.network_chan_count.borrow_mut() += 1;
+
+ ((*announcement).clone(), (*as_update).clone(), (*bs_update).clone())
+ }
+
+ fn create_announced_chan_between_nodes(nodes: &Vec<Node>, a: usize, b: usize) -> (msgs::ChannelUpdate, msgs::ChannelUpdate, [u8; 32], Transaction) {
+ create_announced_chan_between_nodes_with_value(nodes, a, b, 100000, 10001)
+ }
+
+ fn create_announced_chan_between_nodes_with_value(nodes: &Vec<Node>, a: usize, b: usize, channel_value: u64, push_msat: u64) -> (msgs::ChannelUpdate, msgs::ChannelUpdate, [u8; 32], Transaction) {
+ let chan_announcement = create_chan_between_nodes_with_value(&nodes[a], &nodes[b], channel_value, push_msat);
+ for node in nodes {
+ assert!(node.router.handle_channel_announcement(&chan_announcement.0).unwrap());
+ node.router.handle_channel_update(&chan_announcement.1).unwrap();
+ node.router.handle_channel_update(&chan_announcement.2).unwrap();
+ }
+ (chan_announcement.1, chan_announcement.2, chan_announcement.3, chan_announcement.4)
+ }
+
+ macro_rules! check_spends {
+ ($tx: expr, $spends_tx: expr) => {
+ {
+ let mut funding_tx_map = HashMap::new();
+ let spends_tx = $spends_tx;
+ funding_tx_map.insert(spends_tx.txid(), spends_tx);
+ $tx.verify(&funding_tx_map).unwrap();
+ }
+ }
+ }
+
+ fn close_channel(outbound_node: &Node, inbound_node: &Node, channel_id: &[u8; 32], funding_tx: Transaction, close_inbound_first: bool) -> (msgs::ChannelUpdate, msgs::ChannelUpdate) {
+ let (node_a, broadcaster_a) = if close_inbound_first { (&inbound_node.node, &inbound_node.tx_broadcaster) } else { (&outbound_node.node, &outbound_node.tx_broadcaster) };
+ let (node_b, broadcaster_b) = if close_inbound_first { (&outbound_node.node, &outbound_node.tx_broadcaster) } else { (&inbound_node.node, &inbound_node.tx_broadcaster) };
+ let (tx_a, tx_b);
+
+ node_a.close_channel(channel_id).unwrap();
+ let events_1 = node_a.get_and_clear_pending_events();
+ assert_eq!(events_1.len(), 1);
+ let shutdown_a = match events_1[0] {
+ Event::SendShutdown { ref node_id, ref msg } => {
+ assert_eq!(node_id, &node_b.get_our_node_id());
+ msg.clone()
+ },
+ _ => panic!("Unexpected event"),
+ };
+
+ let (shutdown_b, mut closing_signed_b) = node_b.handle_shutdown(&node_a.get_our_node_id(), &shutdown_a).unwrap();
+ if !close_inbound_first {
+ assert!(closing_signed_b.is_none());
+ }
+ let (empty_a, mut closing_signed_a) = node_a.handle_shutdown(&node_b.get_our_node_id(), &shutdown_b.unwrap()).unwrap();
+ assert!(empty_a.is_none());
+ if close_inbound_first {
+ assert!(closing_signed_a.is_none());
+ closing_signed_a = node_a.handle_closing_signed(&node_b.get_our_node_id(), &closing_signed_b.unwrap()).unwrap();
+ assert_eq!(broadcaster_a.txn_broadcasted.lock().unwrap().len(), 1);
+ tx_a = broadcaster_a.txn_broadcasted.lock().unwrap().remove(0);
+
+ let empty_b = node_b.handle_closing_signed(&node_a.get_our_node_id(), &closing_signed_a.unwrap()).unwrap();
+ assert!(empty_b.is_none());
+ assert_eq!(broadcaster_b.txn_broadcasted.lock().unwrap().len(), 1);
+ tx_b = broadcaster_b.txn_broadcasted.lock().unwrap().remove(0);
+ } else {
+ closing_signed_b = node_b.handle_closing_signed(&node_a.get_our_node_id(), &closing_signed_a.unwrap()).unwrap();
+ assert_eq!(broadcaster_b.txn_broadcasted.lock().unwrap().len(), 1);
+ tx_b = broadcaster_b.txn_broadcasted.lock().unwrap().remove(0);
+
+ let empty_a2 = node_a.handle_closing_signed(&node_b.get_our_node_id(), &closing_signed_b.unwrap()).unwrap();
+ assert!(empty_a2.is_none());
+ assert_eq!(broadcaster_a.txn_broadcasted.lock().unwrap().len(), 1);
+ tx_a = broadcaster_a.txn_broadcasted.lock().unwrap().remove(0);
+ }
+ assert_eq!(tx_a, tx_b);
+ check_spends!(tx_a, funding_tx);
+
+ let events_2 = node_a.get_and_clear_pending_events();
+ assert_eq!(events_2.len(), 1);
+ let as_update = match events_2[0] {
+ Event::BroadcastChannelUpdate { ref msg } => {
+ msg.clone()
+ },
+ _ => panic!("Unexpected event"),
+ };
+
+ let events_3 = node_b.get_and_clear_pending_events();
+ assert_eq!(events_3.len(), 1);
+ let bs_update = match events_3[0] {
+ Event::BroadcastChannelUpdate { ref msg } => {
+ msg.clone()
+ },
+ _ => panic!("Unexpected event"),
+ };
+
+ (as_update, bs_update)
+ }
+
+ struct SendEvent {
+ node_id: PublicKey,
+ msgs: Vec<msgs::UpdateAddHTLC>,
+ commitment_msg: msgs::CommitmentSigned,
+ }
+ impl SendEvent {
+ fn from_event(event: Event) -> SendEvent {
+ match event {
+ Event::UpdateHTLCs { node_id, updates: msgs::CommitmentUpdate { update_add_htlcs, update_fulfill_htlcs, update_fail_htlcs, update_fail_malformed_htlcs, update_fee, commitment_signed } } => {
+ assert!(update_fulfill_htlcs.is_empty());
+ assert!(update_fail_htlcs.is_empty());
+ assert!(update_fail_malformed_htlcs.is_empty());
+ assert!(update_fee.is_none());
+ SendEvent { node_id: node_id, msgs: update_add_htlcs, commitment_msg: commitment_signed }
+ },
+ _ => panic!("Unexpected event type!"),
+ }
+ }
+ }
+
+ macro_rules! check_added_monitors {
+ ($node: expr, $count: expr) => {
+ {
+ let mut added_monitors = $node.chan_monitor.added_monitors.lock().unwrap();
+ assert_eq!(added_monitors.len(), $count);
+ added_monitors.clear();
+ }
+ }
+ }
+
+ macro_rules! commitment_signed_dance {
+ ($node_a: expr, $node_b: expr, $commitment_signed: expr, $fail_backwards: expr) => {
+ {
+ check_added_monitors!($node_a, 0);
+ let (as_revoke_and_ack, as_commitment_signed) = $node_a.node.handle_commitment_signed(&$node_b.node.get_our_node_id(), &$commitment_signed).unwrap();
+ check_added_monitors!($node_a, 1);
+ check_added_monitors!($node_b, 0);
+ assert!($node_b.node.handle_revoke_and_ack(&$node_a.node.get_our_node_id(), &as_revoke_and_ack).unwrap().is_none());
+ check_added_monitors!($node_b, 1);
+ let (bs_revoke_and_ack, bs_none) = $node_b.node.handle_commitment_signed(&$node_a.node.get_our_node_id(), &as_commitment_signed.unwrap()).unwrap();
+ assert!(bs_none.is_none());
+ check_added_monitors!($node_b, 1);
+ if $fail_backwards {
+ assert!($node_a.node.get_and_clear_pending_events().is_empty());
+ }
+ assert!($node_a.node.handle_revoke_and_ack(&$node_b.node.get_our_node_id(), &bs_revoke_and_ack).unwrap().is_none());
+ {
+ let mut added_monitors = $node_a.chan_monitor.added_monitors.lock().unwrap();
+ if $fail_backwards {
+ assert_eq!(added_monitors.len(), 2);
+ assert!(added_monitors[0].0 != added_monitors[1].0);
+ } else {
+ assert_eq!(added_monitors.len(), 1);
+ }
+ added_monitors.clear();
+ }
+ }
+ }
+ }
+
+ macro_rules! get_payment_preimage_hash {
+ ($node: expr) => {
+ {
+ let payment_preimage = [*$node.network_payment_count.borrow(); 32];
+ *$node.network_payment_count.borrow_mut() += 1;
+ let mut payment_hash = [0; 32];
+ let mut sha = Sha256::new();
+ sha.input(&payment_preimage[..]);
+ sha.result(&mut payment_hash);
+ (payment_preimage, payment_hash)
+ }
+ }
+ }
+
+ fn send_along_route(origin_node: &Node, route: Route, expected_route: &[&Node], recv_value: u64) -> ([u8; 32], [u8; 32]) {
+ let (our_payment_preimage, our_payment_hash) = get_payment_preimage_hash!(origin_node);
+
+ let mut payment_event = {
+ origin_node.node.send_payment(route, our_payment_hash).unwrap();
+ check_added_monitors!(origin_node, 1);