_ Git - rapid-gossip-sync-server/blob - 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 }
  26
  27 fn blank_signature() -> Signature {
  28         Signature::from_compact(&[0u8; 64]).unwrap()
  29 }
  30
  31 fn genesis_hash() -> BlockHash {
  32         bitcoin::blockdata::constants::genesis_block(Network::Bitcoin).block_hash()
  33 }
  34
  35 fn current_time() -> u32 {
  36         SystemTime::now().duration_since(UNIX_EPOCH).expect("Time must be > 1970").as_secs() as u32
  37 }
  38
  39 pub(crate) fn db_test_schema() -> String {
  40         DB_TEST_SCHEMA.with(|suffix_reference| {
  41                 let mut suffix_option = suffix_reference.borrow_mut();
  42                 match suffix_option.as_ref() {
  43                         None => {
  44                                 let current_time = SystemTime::now();
  45                                 let unix_time = current_time.duration_since(UNIX_EPOCH).expect("Time went backwards");
  46                                 let timestamp_seconds = unix_time.as_secs();
  47                                 let timestamp_nanos = unix_time.as_nanos();
  48                                 let preimage = format!("{}", timestamp_nanos);
  49                                 let suffix = Sha256dHash::hash(preimage.as_bytes()).into_inner().to_hex();
  50                                 // the schema must start with a letter
  51                                 let schema = format!("test_{}_{}", timestamp_seconds, suffix);
  52                                 suffix_option.replace(schema.clone());
  53                                 schema
  54                         }
  55                         Some(suffix) => {
  56                                 suffix.clone()
  57                         }
  58                 }
  59         })
  60 }
  61
  62 fn generate_announcement(short_channel_id: u64) -> ChannelAnnouncement {
  63         let secp_context = Secp256k1::new();
  64
  65         let random_private_key_1 = SecretKey::from_slice(&[1; 32]).unwrap();
  66         let random_public_key_1 = random_private_key_1.public_key(&secp_context);
  67         let node_id_1 = NodeId::from_pubkey(&random_public_key_1);
  68
  69         let random_private_key_2 = SecretKey::from_slice(&[2; 32]).unwrap();
  70         let random_public_key_2 = random_private_key_2.public_key(&secp_context);
  71         let node_id_2 = NodeId::from_pubkey(&random_public_key_2);
  72
  73         let announcement = UnsignedChannelAnnouncement {
  74                 features: ChannelFeatures::empty(),
  75                 chain_hash: genesis_hash(),
  76                 short_channel_id,
  77                 node_id_1,
  78                 node_id_2,
  79                 bitcoin_key_1: node_id_1,
  80                 bitcoin_key_2: node_id_2,
  81                 excess_data: vec![],
  82         };
  83
  84         let msg_hash = bitcoin::secp256k1::Message::from_slice(&Sha256dHash::hash(&announcement.encode()[..])[..]).unwrap();
  85         let node_signature_1 = secp_context.sign_ecdsa(&msg_hash, &random_private_key_1);
  86         let node_signature_2 = secp_context.sign_ecdsa(&msg_hash, &random_private_key_2);
  87
  88         ChannelAnnouncement {
  89                 node_signature_1,
  90                 node_signature_2,
  91                 bitcoin_signature_1: node_signature_1,
  92                 bitcoin_signature_2: node_signature_2,
  93                 contents: announcement,
  94         }
  95 }
  96
  97 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 {
  98         let flag_mask = if direction { 1 } else { 0 };
  99         ChannelUpdate {
 100                 signature: blank_signature(),
 101                 contents: UnsignedChannelUpdate {
 102                         chain_hash: genesis_hash(),
 103                         short_channel_id: scid,
 104                         timestamp,
 105                         flags: 0 | flag_mask,
 106                         cltv_expiry_delta: expiry_delta,
 107                         htlc_minimum_msat: min_msat,
 108                         htlc_maximum_msat: max_msat,
 109                         fee_base_msat: base_msat,
 110                         fee_proportional_millionths: fee_rate,
 111                         excess_data: vec![],
 112                 },
 113         }
 114 }
 115
 116 async fn clean_test_db() {
 117         let client = crate::connect_to_db().await;
 118         let schema = db_test_schema();
 119         client.execute(&format!("DROP SCHEMA IF EXISTS {} CASCADE", schema), &[]).await.unwrap();
 120 }
 121
 122 #[tokio::test]
 123 async fn test_trivial_setup() {
 124         let logger = Arc::new(TestLogger::new());
 125         let network_graph = NetworkGraph::new(Network::Bitcoin, logger.clone());
 126         let network_graph_arc = Arc::new(network_graph);
 127         let (mut persister, receiver) = GossipPersister::new(network_graph_arc.clone(), logger.clone());
 128
 129         let short_channel_id = 1;
 130         let timestamp = current_time() - 10;
 131         println!("timestamp: {}", timestamp);
 132
 133         { // seed the db
 134                 let announcement = generate_announcement(short_channel_id);
 135                 let update_1 = generate_update(short_channel_id, false, timestamp, 0, 0, 0, 5, 0);
 136                 let update_2 = generate_update(short_channel_id, true, timestamp, 0, 0, 0, 10, 0);
 137
 138                 network_graph_arc.update_channel_from_announcement_no_lookup(&announcement).unwrap();
 139                 network_graph_arc.update_channel_unsigned(&update_1.contents).unwrap();
 140                 network_graph_arc.update_channel_unsigned(&update_2.contents).unwrap();
 141
 142                 receiver.send(GossipMessage::ChannelAnnouncement(announcement)).await.unwrap();
 143                 receiver.send(GossipMessage::ChannelUpdate(update_1)).await.unwrap();
 144                 receiver.send(GossipMessage::ChannelUpdate(update_2)).await.unwrap();
 145                 drop(receiver);
 146                 persister.persist_gossip().await;
 147         }
 148
 149         let serialization = serialize_delta(network_graph_arc.clone(), 0, logger.clone()).await;
 150         logger.assert_log_contains("rapid_gossip_sync_server", "announcement channel count: 1", 1);
 151         clean_test_db().await;
 152
 153         let channel_count = network_graph_arc.read_only().channels().len();
 154
 155         assert_eq!(channel_count, 1);
 156         assert_eq!(serialization.message_count, 3);
 157         assert_eq!(serialization.announcement_count, 1);
 158         assert_eq!(serialization.update_count, 2);
 159
 160         let client_graph = NetworkGraph::new(Network::Bitcoin, logger.clone());
 161         let client_graph_arc = Arc::new(client_graph);
 162         let rgs = RapidGossipSync::new(client_graph_arc.clone(), logger.clone());
 163         let update_result = rgs.update_network_graph(&serialization.data).unwrap();
 164         println!("update result: {}", update_result);
 165         // the update result must be a multiple of our snapshot granularity
 166         assert_eq!(update_result % config::snapshot_generation_interval(), 0);
 167         assert!(update_result < timestamp);
 168
 169         let timestamp_delta = timestamp - update_result;
 170         println!("timestamp delta: {}", timestamp_delta);
 171         assert!(timestamp_delta < config::snapshot_generation_interval());
 172
 173         let readonly_graph = client_graph_arc.read_only();
 174         let channels = readonly_graph.channels();
 175         let client_channel_count = channels.len();
 176         assert_eq!(client_channel_count, 1);
 177
 178         let first_channel = channels.get(&short_channel_id).unwrap();
 179         assert!(&first_channel.announcement_message.is_none());
 180         assert_eq!(first_channel.one_to_two.as_ref().unwrap().fees.base_msat, 5);
 181         assert_eq!(first_channel.two_to_one.as_ref().unwrap().fees.base_msat, 10);
 182         let last_update_seen_a = first_channel.one_to_two.as_ref().unwrap().last_update;
 183         let last_update_seen_b = first_channel.two_to_one.as_ref().unwrap().last_update;
 184         println!("last update a: {}", last_update_seen_a);
 185         println!("last update b: {}", last_update_seen_b);
 186         assert_eq!(last_update_seen_a, update_result - CLIENT_BACKDATE_INTERVAL);
 187         assert_eq!(last_update_seen_b, update_result - CLIENT_BACKDATE_INTERVAL);
 188 }