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‎lightning/src/ln/functional_tests_splice.rs

+152-40
Original file line numberDiff line numberDiff line change
@@ -22,9 +22,7 @@ use crate::util::config::{ChannelHandshakeConfig, UserConfig};
2222
fn test_v1_splice_in() {
2323
// Set up a network of 2 nodes
2424
let cfg = UserConfig {
25-
channel_handshake_config: ChannelHandshakeConfig {
26-
..Default::default()
27-
},
25+
channel_handshake_config: ChannelHandshakeConfig { ..Default::default() },
2826
..Default::default()
2927
};
3028
let chanmon_cfgs = create_chanmon_cfgs(2);
@@ -43,27 +41,69 @@ fn test_v1_splice_in() {
4341
let push_msat = 0;
4442
let channel_reserve_amnt_sat = 1_000;
4543

46-
let expected_funded_channel_id = "ae3367da2c13bc1ceb86bf56418f62828f7ce9d6bfb15a46af5ba1f1ed8b124f";
44+
let expected_funded_channel_id =
45+
"ae3367da2c13bc1ceb86bf56418f62828f7ce9d6bfb15a46af5ba1f1ed8b124f";
4746

4847
// Have initiator_node initiate a channel to acceptor_node with aforementioned parameters
49-
let channel_id_temp1 = initiator_node.node.create_channel(acceptor_node.node.get_our_node_id(), channel_value_sat, push_msat, 42, None, None).unwrap();
48+
let channel_id_temp1 = initiator_node
49+
.node
50+
.create_channel(
51+
acceptor_node.node.get_our_node_id(),
52+
channel_value_sat,
53+
push_msat,
54+
42,
55+
None,
56+
None,
57+
)
58+
.unwrap();
5059

5160
// Extract the channel open message from initiator_node to acceptor_node
52-
let open_channel_message = get_event_msg!(initiator_node, MessageSendEvent::SendOpenChannel, acceptor_node.node.get_our_node_id());
53-
54-
let _res = acceptor_node.node.handle_open_channel(initiator_node.node.get_our_node_id(), &open_channel_message.clone());
61+
let open_channel_message = get_event_msg!(
62+
initiator_node,
63+
MessageSendEvent::SendOpenChannel,
64+
acceptor_node.node.get_our_node_id()
65+
);
66+
67+
let _res = acceptor_node
68+
.node
69+
.handle_open_channel(initiator_node.node.get_our_node_id(), &open_channel_message.clone());
5570
// Extract the accept channel message from acceptor_node to initiator_node
56-
let accept_channel_message = get_event_msg!(acceptor_node, MessageSendEvent::SendAcceptChannel, initiator_node.node.get_our_node_id());
57-
let _res = initiator_node.node.handle_accept_channel(acceptor_node.node.get_our_node_id(), &accept_channel_message.clone());
71+
let accept_channel_message = get_event_msg!(
72+
acceptor_node,
73+
MessageSendEvent::SendAcceptChannel,
74+
initiator_node.node.get_our_node_id()
75+
);
76+
let _res = initiator_node.node.handle_accept_channel(
77+
acceptor_node.node.get_our_node_id(),
78+
&accept_channel_message.clone(),
79+
);
5880
// Note: FundingGenerationReady emitted, checked and used below
59-
let (_channel_id_temp2, funding_tx, _funding_output) = create_funding_transaction(&initiator_node, &acceptor_node.node.get_our_node_id(), channel_value_sat, 42);
81+
let (_channel_id_temp2, funding_tx, _funding_output) = create_funding_transaction(
82+
&initiator_node,
83+
&acceptor_node.node.get_our_node_id(),
84+
channel_value_sat,
85+
42,
86+
);
6087

6188
// Funding transation created, provide it
62-
let _res = initiator_node.node.funding_transaction_generated(channel_id_temp1, acceptor_node.node.get_our_node_id(), funding_tx.clone()).unwrap();
63-
64-
let funding_created_message = get_event_msg!(initiator_node, MessageSendEvent::SendFundingCreated, acceptor_node.node.get_our_node_id());
65-
66-
let _res = acceptor_node.node.handle_funding_created(initiator_node.node.get_our_node_id(), &funding_created_message);
89+
let _res = initiator_node
90+
.node
91+
.funding_transaction_generated(
92+
channel_id_temp1,
93+
acceptor_node.node.get_our_node_id(),
94+
funding_tx.clone(),
95+
)
96+
.unwrap();
97+
98+
let funding_created_message = get_event_msg!(
99+
initiator_node,
100+
MessageSendEvent::SendFundingCreated,
101+
acceptor_node.node.get_our_node_id()
102+
);
103+
104+
let _res = acceptor_node
105+
.node
106+
.handle_funding_created(initiator_node.node.get_our_node_id(), &funding_created_message);
67107

68108
assert_eq!(initiator_node.node.list_channels().len(), 1);
69109
{
@@ -77,15 +117,26 @@ fn test_v1_splice_in() {
77117
assert!(!channel.is_channel_ready);
78118
}
79119

80-
let funding_signed_message = get_event_msg!(acceptor_node, MessageSendEvent::SendFundingSigned, initiator_node.node.get_our_node_id());
81-
let _res = initiator_node.node.handle_funding_signed(acceptor_node.node.get_our_node_id(), &funding_signed_message);
120+
let funding_signed_message = get_event_msg!(
121+
acceptor_node,
122+
MessageSendEvent::SendFundingSigned,
123+
initiator_node.node.get_our_node_id()
124+
);
125+
let _res = initiator_node
126+
.node
127+
.handle_funding_signed(acceptor_node.node.get_our_node_id(), &funding_signed_message);
82128
// Take new channel ID
83129
let channel_id2 = funding_signed_message.channel_id;
84130
assert_eq!(channel_id2.to_string(), expected_funded_channel_id);
85131

86132
// Check that funding transaction has been broadcasted
87-
assert_eq!(chanmon_cfgs[initiator_node_index].tx_broadcaster.txn_broadcasted.lock().unwrap().len(), 1);
88-
let broadcasted_funding_tx = chanmon_cfgs[initiator_node_index].tx_broadcaster.txn_broadcasted.lock().unwrap()[0].clone();
133+
assert_eq!(
134+
chanmon_cfgs[initiator_node_index].tx_broadcaster.txn_broadcasted.lock().unwrap().len(),
135+
1
136+
);
137+
let broadcasted_funding_tx =
138+
chanmon_cfgs[initiator_node_index].tx_broadcaster.txn_broadcasted.lock().unwrap()[0]
139+
.clone();
89140

90141
check_added_monitors!(initiator_node, 1);
91142
let _ev = get_event!(initiator_node, Event::ChannelPending);
@@ -94,18 +145,38 @@ fn test_v1_splice_in() {
94145

95146
// Simulate confirmation of the funding tx
96147
confirm_transaction(&initiator_node, &broadcasted_funding_tx);
97-
let channel_ready_message = get_event_msg!(initiator_node, MessageSendEvent::SendChannelReady, acceptor_node.node.get_our_node_id());
148+
let channel_ready_message = get_event_msg!(
149+
initiator_node,
150+
MessageSendEvent::SendChannelReady,
151+
acceptor_node.node.get_our_node_id()
152+
);
98153

99154
confirm_transaction(&acceptor_node, &broadcasted_funding_tx);
100-
let channel_ready_message2 = get_event_msg!(acceptor_node, MessageSendEvent::SendChannelReady, initiator_node.node.get_our_node_id());
101-
102-
let _res = acceptor_node.node.handle_channel_ready(initiator_node.node.get_our_node_id(), &channel_ready_message);
155+
let channel_ready_message2 = get_event_msg!(
156+
acceptor_node,
157+
MessageSendEvent::SendChannelReady,
158+
initiator_node.node.get_our_node_id()
159+
);
160+
161+
let _res = acceptor_node
162+
.node
163+
.handle_channel_ready(initiator_node.node.get_our_node_id(), &channel_ready_message);
103164
let _ev = get_event!(acceptor_node, Event::ChannelReady);
104-
let _channel_update = get_event_msg!(acceptor_node, MessageSendEvent::SendChannelUpdate, initiator_node.node.get_our_node_id());
105-
106-
let _res = initiator_node.node.handle_channel_ready(acceptor_node.node.get_our_node_id(), &channel_ready_message2);
165+
let _channel_update = get_event_msg!(
166+
acceptor_node,
167+
MessageSendEvent::SendChannelUpdate,
168+
initiator_node.node.get_our_node_id()
169+
);
170+
171+
let _res = initiator_node
172+
.node
173+
.handle_channel_ready(acceptor_node.node.get_our_node_id(), &channel_ready_message2);
107174
let _ev = get_event!(initiator_node, Event::ChannelReady);
108-
let _channel_update = get_event_msg!(initiator_node, MessageSendEvent::SendChannelUpdate, acceptor_node.node.get_our_node_id());
175+
let _channel_update = get_event_msg!(
176+
initiator_node,
177+
MessageSendEvent::SendChannelUpdate,
178+
acceptor_node.node.get_our_node_id()
179+
);
109180

110181
// check channel capacity and other parameters
111182
assert_eq!(initiator_node.node.list_channels().len(), 1);
@@ -115,7 +186,10 @@ fn test_v1_splice_in() {
115186
assert!(channel.is_usable);
116187
assert!(channel.is_channel_ready);
117188
assert_eq!(channel.channel_value_satoshis, channel_value_sat);
118-
assert_eq!(channel.outbound_capacity_msat, 1000 * (channel_value_sat - channel_reserve_amnt_sat));
189+
assert_eq!(
190+
channel.outbound_capacity_msat,
191+
1000 * (channel_value_sat - channel_reserve_amnt_sat)
192+
);
119193
assert_eq!(channel.funding_txo.unwrap().txid, funding_tx.compute_txid());
120194
assert_eq!(channel.confirmations.unwrap(), 10);
121195
}
@@ -143,13 +217,32 @@ fn test_v1_splice_in() {
143217
let locktime = 0; // TODO
144218

145219
// Initiate splice-in (on initiator_node)
146-
let _res = initiator_node.node.splice_channel(&channel_id2, &acceptor_node.node.get_our_node_id(), splice_in_sats as i64, Vec::new(), funding_feerate_perkw, locktime).unwrap();
220+
let _res = initiator_node
221+
.node
222+
.splice_channel(
223+
&channel_id2,
224+
&acceptor_node.node.get_our_node_id(),
225+
splice_in_sats as i64,
226+
Vec::new(),
227+
funding_feerate_perkw,
228+
locktime,
229+
)
230+
.unwrap();
147231
// Extract the splice message from node0 to node1
148-
let splice_msg = get_event_msg!(initiator_node, MessageSendEvent::SendSpliceInit, acceptor_node.node.get_our_node_id());
149-
150-
let _res = acceptor_node.node.handle_splice_init(initiator_node.node.get_our_node_id(), &splice_msg);
232+
let splice_msg = get_event_msg!(
233+
initiator_node,
234+
MessageSendEvent::SendSpliceInit,
235+
acceptor_node.node.get_our_node_id()
236+
);
237+
238+
let _res =
239+
acceptor_node.node.handle_splice_init(initiator_node.node.get_our_node_id(), &splice_msg);
151240
// Extract the splice_ack message from node1 to node0
152-
let splice_ack_msg = get_event_msg!(acceptor_node, MessageSendEvent::SendSpliceAck, initiator_node.node.get_our_node_id());
241+
let splice_ack_msg = get_event_msg!(
242+
acceptor_node,
243+
MessageSendEvent::SendSpliceAck,
244+
initiator_node.node.get_our_node_id()
245+
);
153246

154247
// still pre-splice channel: capacity not updated, channel usable, and funding tx set
155248
assert_eq!(acceptor_node.node.list_channels().len(), 1);
@@ -164,7 +257,9 @@ fn test_v1_splice_in() {
164257
assert!(channel.confirmations.unwrap() > 0);
165258
}
166259

167-
let _res = initiator_node.node.handle_splice_ack(acceptor_node.node.get_our_node_id(), &splice_ack_msg);
260+
let _res = initiator_node
261+
.node
262+
.handle_splice_ack(acceptor_node.node.get_our_node_id(), &splice_ack_msg);
168263

169264
// still pre-splice channel: capacity not updated, channel usable, and funding tx set
170265
assert_eq!(initiator_node.node.list_channels().len(), 1);
@@ -174,7 +269,10 @@ fn test_v1_splice_in() {
174269
assert!(channel.is_usable);
175270
assert!(channel.is_channel_ready);
176271
assert_eq!(channel.channel_value_satoshis, channel_value_sat);
177-
assert_eq!(channel.outbound_capacity_msat, 1000 * (channel_value_sat - channel_reserve_amnt_sat));
272+
assert_eq!(
273+
channel.outbound_capacity_msat,
274+
1000 * (channel_value_sat - channel_reserve_amnt_sat)
275+
);
178276
assert!(channel.funding_txo.is_some());
179277
assert!(channel.confirmations.unwrap() > 0);
180278
}
@@ -185,9 +283,23 @@ fn test_v1_splice_in() {
185283

186284
// === Close channel, cooperatively
187285
initiator_node.node.close_channel(&channel_id2, &acceptor_node.node.get_our_node_id()).unwrap();
188-
let node0_shutdown_message = get_event_msg!(initiator_node, MessageSendEvent::SendShutdown, acceptor_node.node.get_our_node_id());
189-
acceptor_node.node.handle_shutdown(initiator_node.node.get_our_node_id(), &node0_shutdown_message);
190-
let nodes_1_shutdown = get_event_msg!(acceptor_node, MessageSendEvent::SendShutdown, initiator_node.node.get_our_node_id());
286+
let node0_shutdown_message = get_event_msg!(
287+
initiator_node,
288+
MessageSendEvent::SendShutdown,
289+
acceptor_node.node.get_our_node_id()
290+
);
291+
acceptor_node
292+
.node
293+
.handle_shutdown(initiator_node.node.get_our_node_id(), &node0_shutdown_message);
294+
let nodes_1_shutdown = get_event_msg!(
295+
acceptor_node,
296+
MessageSendEvent::SendShutdown,
297+
initiator_node.node.get_our_node_id()
298+
);
191299
initiator_node.node.handle_shutdown(acceptor_node.node.get_our_node_id(), &nodes_1_shutdown);
192-
let _ = get_event_msg!(initiator_node, MessageSendEvent::SendClosingSigned, acceptor_node.node.get_our_node_id());
300+
let _ = get_event_msg!(
301+
initiator_node,
302+
MessageSendEvent::SendClosingSigned,
303+
acceptor_node.node.get_our_node_id()
304+
);
193305
}

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