09147e920b501fd735ee7016c41a90da055b794b
[rapid-gossip-sync-server] / src / tests / mod.rs
1 //! Multi-module tests that use database fixtures
2
3 use std::cell::RefCell;
4 use std::sync::Arc;
5 use std::time::{SystemTime, UNIX_EPOCH};
6 use bitcoin::{BlockHash, Network};
7 use bitcoin::secp256k1::ecdsa::Signature;
8 use bitcoin::secp256k1::{Secp256k1, SecretKey};
9 use bitcoin::hashes::Hash;
10 use bitcoin::hashes::hex::ToHex;
11 use bitcoin::hashes::sha256d::Hash as Sha256dHash;
12 use lightning::ln::features::ChannelFeatures;
13 use lightning::ln::msgs::{ChannelAnnouncement, ChannelUpdate, UnsignedChannelAnnouncement, UnsignedChannelUpdate};
14 use lightning::routing::gossip::{NetworkGraph, NodeId};
15 use lightning::util::ser::Writeable;
16 use lightning_rapid_gossip_sync::RapidGossipSync;
17 use crate::{config, serialize_delta};
18 use crate::persistence::GossipPersister;
19 use crate::types::{GossipMessage, tests::TestLogger};
20
21 const CLIENT_BACKDATE_INTERVAL: u32 = 3600 * 24 * 7; // client backdates RGS by a week
22
23 thread_local! {
24         static DB_TEST_SCHEMA: RefCell<Option<String>> = RefCell::new(None);
25         static IS_TEST_SCHEMA_CLEAN: RefCell<Option<bool>> = RefCell::new(None);
26 }
27
28 fn blank_signature() -> Signature {
29         Signature::from_compact(&[0u8; 64]).unwrap()
30 }
31
32 fn genesis_hash() -> BlockHash {
33         bitcoin::blockdata::constants::genesis_block(Network::Bitcoin).block_hash()
34 }
35
36 fn current_time() -> u32 {
37         SystemTime::now().duration_since(UNIX_EPOCH).expect("Time must be > 1970").as_secs() as u32
38 }
39
40 pub(crate) fn db_test_schema() -> String {
41         DB_TEST_SCHEMA.with(|suffix_reference| {
42                 let mut suffix_option = suffix_reference.borrow();
43                 suffix_option.as_ref().unwrap().clone()
44         })
45 }
46
47 fn generate_announcement(short_channel_id: u64) -> ChannelAnnouncement {
48         let secp_context = Secp256k1::new();
49
50         let random_private_key_1 = SecretKey::from_slice(&[1; 32]).unwrap();
51         let random_public_key_1 = random_private_key_1.public_key(&secp_context);
52         let node_id_1 = NodeId::from_pubkey(&random_public_key_1);
53
54         let random_private_key_2 = SecretKey::from_slice(&[2; 32]).unwrap();
55         let random_public_key_2 = random_private_key_2.public_key(&secp_context);
56         let node_id_2 = NodeId::from_pubkey(&random_public_key_2);
57
58         let announcement = UnsignedChannelAnnouncement {
59                 features: ChannelFeatures::empty(),
60                 chain_hash: genesis_hash(),
61                 short_channel_id,
62                 node_id_1,
63                 node_id_2,
64                 bitcoin_key_1: node_id_1,
65                 bitcoin_key_2: node_id_2,
66                 excess_data: vec![],
67         };
68
69         let msg_hash = bitcoin::secp256k1::Message::from_slice(&Sha256dHash::hash(&announcement.encode()[..])[..]).unwrap();
70         let node_signature_1 = secp_context.sign_ecdsa(&msg_hash, &random_private_key_1);
71         let node_signature_2 = secp_context.sign_ecdsa(&msg_hash, &random_private_key_2);
72
73         ChannelAnnouncement {
74                 node_signature_1,
75                 node_signature_2,
76                 bitcoin_signature_1: node_signature_1,
77                 bitcoin_signature_2: node_signature_2,
78                 contents: announcement,
79         }
80 }
81
82 fn generate_update(scid: u64, direction: bool, timestamp: u32, expiry_delta: u16, min_msat: u64, max_msat: u64, base_msat: u32, fee_rate: u32) -> ChannelUpdate {
83         let flag_mask = if direction { 1 } else { 0 };
84         ChannelUpdate {
85                 signature: blank_signature(),
86                 contents: UnsignedChannelUpdate {
87                         chain_hash: genesis_hash(),
88                         short_channel_id: scid,
89                         timestamp,
90                         flags: 0 | flag_mask,
91                         cltv_expiry_delta: expiry_delta,
92                         htlc_minimum_msat: min_msat,
93                         htlc_maximum_msat: max_msat,
94                         fee_base_msat: base_msat,
95                         fee_proportional_millionths: fee_rate,
96                         excess_data: vec![],
97                 },
98         }
99 }
100
101 struct SchemaSanitizer {}
102
103 impl SchemaSanitizer {
104         fn new() -> Self {
105                 IS_TEST_SCHEMA_CLEAN.with(|cleanliness_reference| {
106                         let mut is_clean_option = cleanliness_reference.borrow_mut();
107                         assert!(is_clean_option.is_none());
108                         *is_clean_option = Some(false);
109                 });
110
111                 DB_TEST_SCHEMA.with(|suffix_reference| {
112                         let mut suffix_option = suffix_reference.borrow_mut();
113                         let current_time = SystemTime::now();
114                         let unix_time = current_time.duration_since(UNIX_EPOCH).expect("Time went backwards");
115                         let timestamp_seconds = unix_time.as_secs();
116                         let timestamp_nanos = unix_time.as_nanos();
117                         let preimage = format!("{}", timestamp_nanos);
118                         let suffix = Sha256dHash::hash(preimage.as_bytes()).into_inner().to_hex();
119                         // the schema must start with a letter
120                         let schema = format!("test_{}_{}", timestamp_seconds, suffix);
121                         *suffix_option = Some(schema);
122                 });
123
124                 return Self {};
125         }
126 }
127
128 impl Drop for SchemaSanitizer {
129         fn drop(&mut self) {
130                 IS_TEST_SCHEMA_CLEAN.with(|cleanliness_reference| {
131                         let is_clean_option = cleanliness_reference.borrow();
132                         if let Some(is_clean) = *is_clean_option {
133                                 assert_eq!(is_clean, true);
134                         }
135                 });
136         }
137 }
138
139
140 async fn clean_test_db() {
141         let client = crate::connect_to_db().await;
142         let schema = db_test_schema();
143         client.execute(&format!("DROP SCHEMA IF EXISTS {} CASCADE", schema), &[]).await.unwrap();
144         IS_TEST_SCHEMA_CLEAN.with(|cleanliness_reference| {
145                 let mut is_clean_option = cleanliness_reference.borrow_mut();
146                 *is_clean_option = Some(true);
147         });
148 }
149
150 #[tokio::test]
151 async fn test_trivial_setup() {
152         let _sanitizer = SchemaSanitizer::new();
153         let logger = Arc::new(TestLogger::new());
154         let network_graph = NetworkGraph::new(Network::Bitcoin, logger.clone());
155         let network_graph_arc = Arc::new(network_graph);
156         let (mut persister, receiver) = GossipPersister::new(network_graph_arc.clone(), logger.clone());
157
158         let short_channel_id = 1;
159         let timestamp = current_time() - 10;
160         println!("timestamp: {}", timestamp);
161
162         { // seed the db
163                 let announcement = generate_announcement(short_channel_id);
164                 let update_1 = generate_update(short_channel_id, false, timestamp, 0, 0, 0, 5, 0);
165                 let update_2 = generate_update(short_channel_id, true, timestamp, 0, 0, 0, 10, 0);
166
167                 network_graph_arc.update_channel_from_announcement_no_lookup(&announcement).unwrap();
168                 network_graph_arc.update_channel_unsigned(&update_1.contents).unwrap();
169                 network_graph_arc.update_channel_unsigned(&update_2.contents).unwrap();
170
171                 receiver.send(GossipMessage::ChannelAnnouncement(announcement)).await.unwrap();
172                 receiver.send(GossipMessage::ChannelUpdate(update_1)).await.unwrap();
173                 receiver.send(GossipMessage::ChannelUpdate(update_2)).await.unwrap();
174                 drop(receiver);
175                 persister.persist_gossip().await;
176         }
177
178         let serialization = serialize_delta(network_graph_arc.clone(), 0, logger.clone()).await;
179         logger.assert_log_contains("rapid_gossip_sync_server", "announcement channel count: 1", 1);
180         clean_test_db().await;
181
182         let channel_count = network_graph_arc.read_only().channels().len();
183
184         assert_eq!(channel_count, 1);
185         assert_eq!(serialization.message_count, 3);
186         assert_eq!(serialization.announcement_count, 1);
187         assert_eq!(serialization.update_count, 2);
188
189         let client_graph = NetworkGraph::new(Network::Bitcoin, logger.clone());
190         let client_graph_arc = Arc::new(client_graph);
191         let rgs = RapidGossipSync::new(client_graph_arc.clone(), logger.clone());
192         let update_result = rgs.update_network_graph(&serialization.data).unwrap();
193         println!("update result: {}", update_result);
194         // the update result must be a multiple of our snapshot granularity
195         assert_eq!(update_result % config::snapshot_generation_interval(), 0);
196         assert!(update_result < timestamp);
197
198         let timestamp_delta = timestamp - update_result;
199         println!("timestamp delta: {}", timestamp_delta);
200         assert!(timestamp_delta < config::snapshot_generation_interval());
201
202         let readonly_graph = client_graph_arc.read_only();
203         let channels = readonly_graph.channels();
204         let client_channel_count = channels.len();
205         assert_eq!(client_channel_count, 1);
206
207         let first_channel = channels.get(&short_channel_id).unwrap();
208         assert!(&first_channel.announcement_message.is_none());
209         assert_eq!(first_channel.one_to_two.as_ref().unwrap().fees.base_msat, 5);
210         assert_eq!(first_channel.two_to_one.as_ref().unwrap().fees.base_msat, 10);
211         let last_update_seen_a = first_channel.one_to_two.as_ref().unwrap().last_update;
212         let last_update_seen_b = first_channel.two_to_one.as_ref().unwrap().last_update;
213         println!("last update a: {}", last_update_seen_a);
214         println!("last update b: {}", last_update_seen_b);
215         assert_eq!(last_update_seen_a, update_result - CLIENT_BACKDATE_INTERVAL);
216         assert_eq!(last_update_seen_b, update_result - CLIENT_BACKDATE_INTERVAL);
217 }