--- /dev/null
+//! Multi-module tests that use database fixtures
+
+use std::cell::RefCell;
+use std::sync::Arc;
+use std::time::{SystemTime, UNIX_EPOCH};
+use bitcoin::{BlockHash, Network};
+use bitcoin::secp256k1::ecdsa::Signature;
+use bitcoin::secp256k1::{Secp256k1, SecretKey};
+use bitcoin::hashes::Hash;
+use bitcoin::hashes::hex::ToHex;
+use bitcoin::hashes::sha256d::Hash as Sha256dHash;
+use lightning::ln::features::ChannelFeatures;
+use lightning::ln::msgs::{ChannelAnnouncement, ChannelUpdate, UnsignedChannelAnnouncement, UnsignedChannelUpdate};
+use lightning::routing::gossip::{NetworkGraph, NodeId};
+use lightning::util::ser::Writeable;
+use lightning_rapid_gossip_sync::RapidGossipSync;
+use crate::{config, serialize_delta};
+use crate::persistence::GossipPersister;
+use crate::types::{GossipMessage, tests::TestLogger};
+
+const CLIENT_BACKDATE_INTERVAL: u32 = 3600 * 24 * 7; // client backdates RGS by a week
+
+thread_local! {
+ static DB_TEST_SCHEMA: RefCell<Option<String>> = RefCell::new(None);
+}
+
+fn blank_signature() -> Signature {
+ Signature::from_compact(&[0u8; 64]).unwrap()
+}
+
+fn genesis_hash() -> BlockHash {
+ bitcoin::blockdata::constants::genesis_block(Network::Bitcoin).block_hash()
+}
+
+fn current_time() -> u32 {
+ SystemTime::now().duration_since(UNIX_EPOCH).expect("Time must be > 1970").as_secs() as u32
+}
+
+pub(crate) fn db_test_schema() -> String {
+ DB_TEST_SCHEMA.with(|suffix_reference| {
+ let mut suffix_option = suffix_reference.borrow_mut();
+ match suffix_option.as_ref() {
+ None => {
+ let current_time = SystemTime::now();
+ let unix_time = current_time.duration_since(UNIX_EPOCH).expect("Time went backwards");
+ let timestamp_seconds = unix_time.as_secs();
+ let timestamp_nanos = unix_time.as_nanos();
+ let preimage = format!("{}", timestamp_nanos);
+ let suffix = Sha256dHash::hash(preimage.as_bytes()).into_inner().to_hex();
+ // the schema must start with a letter
+ let schema = format!("test_{}_{}", timestamp_seconds, suffix);
+ suffix_option.replace(schema.clone());
+ schema
+ }
+ Some(suffix) => {
+ suffix.clone()
+ }
+ }
+ })
+}
+
+fn generate_announcement(short_channel_id: u64) -> ChannelAnnouncement {
+ let secp_context = Secp256k1::new();
+
+ let random_private_key_1 = SecretKey::from_slice(&[1; 32]).unwrap();
+ let random_public_key_1 = random_private_key_1.public_key(&secp_context);
+ let node_id_1 = NodeId::from_pubkey(&random_public_key_1);
+
+ let random_private_key_2 = SecretKey::from_slice(&[2; 32]).unwrap();
+ let random_public_key_2 = random_private_key_2.public_key(&secp_context);
+ let node_id_2 = NodeId::from_pubkey(&random_public_key_2);
+
+ let announcement = UnsignedChannelAnnouncement {
+ features: ChannelFeatures::empty(),
+ chain_hash: genesis_hash(),
+ short_channel_id,
+ node_id_1,
+ node_id_2,
+ bitcoin_key_1: node_id_1,
+ bitcoin_key_2: node_id_2,
+ excess_data: vec![],
+ };
+
+ let msg_hash = bitcoin::secp256k1::Message::from_slice(&Sha256dHash::hash(&announcement.encode()[..])[..]).unwrap();
+ let node_signature_1 = secp_context.sign_ecdsa(&msg_hash, &random_private_key_1);
+ let node_signature_2 = secp_context.sign_ecdsa(&msg_hash, &random_private_key_2);
+
+ ChannelAnnouncement {
+ node_signature_1,
+ node_signature_2,
+ bitcoin_signature_1: node_signature_1,
+ bitcoin_signature_2: node_signature_2,
+ contents: announcement,
+ }
+}
+
+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 {
+ let flag_mask = if direction { 1 } else { 0 };
+ ChannelUpdate {
+ signature: blank_signature(),
+ contents: UnsignedChannelUpdate {
+ chain_hash: genesis_hash(),
+ short_channel_id: scid,
+ timestamp,
+ flags: 0 | flag_mask,
+ cltv_expiry_delta: expiry_delta,
+ htlc_minimum_msat: min_msat,
+ htlc_maximum_msat: max_msat,
+ fee_base_msat: base_msat,
+ fee_proportional_millionths: fee_rate,
+ excess_data: vec![],
+ },
+ }
+}
+
+async fn clean_test_db() {
+ let client = crate::connect_to_db().await;
+ let schema = db_test_schema();
+ client.execute(&format!("DROP SCHEMA IF EXISTS {} CASCADE", schema), &[]).await.unwrap();
+}
+
+#[tokio::test]
+async fn test_trivial_setup() {
+ let logger = Arc::new(TestLogger::new());
+ let network_graph = NetworkGraph::new(Network::Bitcoin, logger.clone());
+ let network_graph_arc = Arc::new(network_graph);
+ let (mut persister, receiver) = GossipPersister::new(network_graph_arc.clone(), logger.clone());
+
+ let short_channel_id = 1;
+ let timestamp = current_time() - 10;
+ println!("timestamp: {}", timestamp);
+
+ { // seed the db
+ let announcement = generate_announcement(short_channel_id);
+ let update_1 = generate_update(short_channel_id, false, timestamp, 0, 0, 0, 5, 0);
+ let update_2 = generate_update(short_channel_id, true, timestamp, 0, 0, 0, 10, 0);
+
+ network_graph_arc.update_channel_from_announcement_no_lookup(&announcement).unwrap();
+ network_graph_arc.update_channel_unsigned(&update_1.contents).unwrap();
+ network_graph_arc.update_channel_unsigned(&update_2.contents).unwrap();
+
+ receiver.send(GossipMessage::ChannelAnnouncement(announcement)).await.unwrap();
+ receiver.send(GossipMessage::ChannelUpdate(update_1)).await.unwrap();
+ receiver.send(GossipMessage::ChannelUpdate(update_2)).await.unwrap();
+ drop(receiver);
+ persister.persist_gossip().await;
+ }
+
+ let serialization = serialize_delta(network_graph_arc.clone(), 0, logger.clone()).await;
+ logger.assert_log_contains("rapid_gossip_sync_server", "announcement channel count: 1", 1);
+ clean_test_db().await;
+
+ let channel_count = network_graph_arc.read_only().channels().len();
+
+ assert_eq!(channel_count, 1);
+ assert_eq!(serialization.message_count, 3);
+ assert_eq!(serialization.announcement_count, 1);
+ assert_eq!(serialization.update_count, 2);
+
+ let client_graph = NetworkGraph::new(Network::Bitcoin, logger.clone());
+ let client_graph_arc = Arc::new(client_graph);
+ let rgs = RapidGossipSync::new(client_graph_arc.clone(), logger.clone());
+ let update_result = rgs.update_network_graph(&serialization.data).unwrap();
+ println!("update result: {}", update_result);
+ // the update result must be a multiple of our snapshot granularity
+ assert_eq!(update_result % config::snapshot_generation_interval(), 0);
+ assert!(update_result < timestamp);
+
+ let timestamp_delta = timestamp - update_result;
+ println!("timestamp delta: {}", timestamp_delta);
+ assert!(timestamp_delta < config::snapshot_generation_interval());
+
+ let readonly_graph = client_graph_arc.read_only();
+ let channels = readonly_graph.channels();
+ let client_channel_count = channels.len();
+ assert_eq!(client_channel_count, 1);
+
+ let first_channel = channels.get(&short_channel_id).unwrap();
+ assert!(&first_channel.announcement_message.is_none());
+ assert_eq!(first_channel.one_to_two.as_ref().unwrap().fees.base_msat, 5);
+ assert_eq!(first_channel.two_to_one.as_ref().unwrap().fees.base_msat, 10);
+ let last_update_seen_a = first_channel.one_to_two.as_ref().unwrap().last_update;
+ let last_update_seen_b = first_channel.two_to_one.as_ref().unwrap().last_update;
+ println!("last update a: {}", last_update_seen_a);
+ println!("last update b: {}", last_update_seen_b);
+ assert_eq!(last_update_seen_a, update_result - CLIENT_BACKDATE_INTERVAL);
+ assert_eq!(last_update_seen_b, update_result - CLIENT_BACKDATE_INTERVAL);
+}
projects / rapid-gossip-sync-server / commitdiff