3 use std::convert::TryInto;
6 use std::net::{SocketAddr, ToSocketAddrs};
7 use std::time::Duration;
10 use bitcoin::hashes::hex::FromHex;
11 use bitcoin::secp256k1::PublicKey;
12 use futures::stream::{FuturesUnordered, StreamExt};
13 use lightning::ln::msgs::ChannelAnnouncement;
14 use lightning::util::ser::Readable;
15 use lightning_block_sync::http::HttpEndpoint;
16 use tokio_postgres::Config;
18 pub(crate) const SCHEMA_VERSION: i32 = 12;
19 pub(crate) const SNAPSHOT_CALCULATION_INTERVAL: u32 = 3600 * 24; // every 24 hours, in seconds
20 /// If the last update in either direction was more than six days ago, we send a reminder
21 /// That reminder may be either in the form of a channel announcement, or in the form of empty
22 /// updates in both directions.
23 pub(crate) const CHANNEL_REMINDER_AGE: Duration = Duration::from_secs(6 * 24 * 60 * 60);
24 pub(crate) const DOWNLOAD_NEW_GOSSIP: bool = true;
26 pub(crate) fn network() -> Network {
27 let network = env::var("RAPID_GOSSIP_SYNC_SERVER_NETWORK").unwrap_or("bitcoin".to_string()).to_lowercase();
28 match network.as_str() {
29 "mainnet" => Network::Bitcoin,
30 "bitcoin" => Network::Bitcoin,
31 "testnet" => Network::Testnet,
32 "signet" => Network::Signet,
33 "regtest" => Network::Regtest,
34 _ => panic!("Invalid network"),
38 pub(crate) fn log_level() -> lightning::util::logger::Level {
39 let level = env::var("RAPID_GOSSIP_SYNC_SERVER_LOG_LEVEL").unwrap_or("info".to_string()).to_lowercase();
40 match level.as_str() {
41 "gossip" => lightning::util::logger::Level::Gossip,
42 "trace" => lightning::util::logger::Level::Trace,
43 "debug" => lightning::util::logger::Level::Debug,
44 "info" => lightning::util::logger::Level::Info,
45 "warn" => lightning::util::logger::Level::Warn,
46 "error" => lightning::util::logger::Level::Error,
47 _ => panic!("Invalid log level"),
51 pub(crate) fn network_graph_cache_path() -> String {
52 format!("{}/network_graph.bin", cache_path())
55 pub(crate) fn cache_path() -> String {
56 let path = env::var("RAPID_GOSSIP_SYNC_SERVER_CACHES_PATH").unwrap_or("./res".to_string()).to_lowercase();
60 pub(crate) fn db_connection_config() -> Config {
61 let mut config = Config::new();
62 let host = env::var("RAPID_GOSSIP_SYNC_SERVER_DB_HOST").unwrap_or("localhost".to_string());
63 let user = env::var("RAPID_GOSSIP_SYNC_SERVER_DB_USER").unwrap_or("alice".to_string());
64 let db = env::var("RAPID_GOSSIP_SYNC_SERVER_DB_NAME").unwrap_or("ln_graph_sync".to_string());
68 if let Ok(password) = env::var("RAPID_GOSSIP_SYNC_SERVER_DB_PASSWORD") {
69 config.password(&password);
74 pub(crate) fn bitcoin_rest_endpoint() -> HttpEndpoint {
75 let host = env::var("BITCOIN_REST_DOMAIN").unwrap_or("127.0.0.1".to_string());
76 let port = env::var("BITCOIN_REST_PORT")
77 .unwrap_or("8332".to_string())
79 .expect("BITCOIN_REST_PORT env variable must be a u16.");
80 let path = env::var("BITCOIN_REST_PATH").unwrap_or("/rest/".to_string());
81 HttpEndpoint::for_host(host).with_port(port).with_path(path)
84 pub(crate) fn db_config_table_creation_query() -> &'static str {
85 "CREATE TABLE IF NOT EXISTS config (
86 id SERIAL PRIMARY KEY,
91 pub(crate) fn db_announcement_table_creation_query() -> &'static str {
92 "CREATE TABLE IF NOT EXISTS channel_announcements (
93 id SERIAL PRIMARY KEY,
94 short_channel_id bigint NOT NULL UNIQUE,
95 announcement_signed BYTEA,
96 seen timestamp NOT NULL DEFAULT NOW()
100 pub(crate) fn db_channel_update_table_creation_query() -> &'static str {
101 "CREATE TABLE IF NOT EXISTS channel_updates (
102 id SERIAL PRIMARY KEY,
103 short_channel_id bigint NOT NULL,
104 timestamp bigint NOT NULL,
105 channel_flags smallint NOT NULL,
106 direction boolean NOT NULL,
107 disable boolean NOT NULL,
108 cltv_expiry_delta integer NOT NULL,
109 htlc_minimum_msat bigint NOT NULL,
110 fee_base_msat integer NOT NULL,
111 fee_proportional_millionths integer NOT NULL,
112 htlc_maximum_msat bigint NOT NULL,
113 blob_signed BYTEA NOT NULL,
114 seen timestamp NOT NULL DEFAULT NOW()
118 pub(crate) fn db_index_creation_query() -> &'static str {
120 CREATE INDEX IF NOT EXISTS channel_updates_seen_scid ON channel_updates(seen, short_channel_id);
121 CREATE INDEX IF NOT EXISTS channel_updates_scid_dir_seen_asc ON channel_updates(short_channel_id, direction, seen);
122 CREATE INDEX IF NOT EXISTS channel_updates_scid_dir_seen_desc_with_id ON channel_updates(short_channel_id ASC, direction ASC, seen DESC) INCLUDE (id);
123 CREATE UNIQUE INDEX IF NOT EXISTS channel_updates_key ON channel_updates (short_channel_id, direction, timestamp);
124 CREATE INDEX IF NOT EXISTS channel_updates_seen ON channel_updates(seen);
125 CREATE INDEX IF NOT EXISTS channel_updates_timestamp_desc ON channel_updates(timestamp DESC);
129 pub(crate) async fn upgrade_db(schema: i32, client: &mut tokio_postgres::Client) {
131 let tx = client.transaction().await.unwrap();
132 tx.execute("ALTER TABLE channel_updates DROP COLUMN chain_hash", &[]).await.unwrap();
133 tx.execute("ALTER TABLE channel_announcements DROP COLUMN chain_hash", &[]).await.unwrap();
134 tx.execute("UPDATE config SET db_schema = 2 WHERE id = 1", &[]).await.unwrap();
135 tx.commit().await.unwrap();
137 if schema == 1 || schema == 2 {
138 let tx = client.transaction().await.unwrap();
139 tx.execute("ALTER TABLE channel_updates DROP COLUMN short_channel_id", &[]).await.unwrap();
140 tx.execute("ALTER TABLE channel_updates ADD COLUMN short_channel_id bigint DEFAULT null", &[]).await.unwrap();
141 tx.execute("ALTER TABLE channel_updates DROP COLUMN direction", &[]).await.unwrap();
142 tx.execute("ALTER TABLE channel_updates ADD COLUMN direction boolean DEFAULT null", &[]).await.unwrap();
144 let rows = tx.query("SELECT id, composite_index FROM channel_updates WHERE short_channel_id IS NULL LIMIT 50000", &[]).await.unwrap();
145 if rows.is_empty() { break; }
146 let mut updates = FuturesUnordered::new();
148 let id: i32 = row.get("id");
149 let index: String = row.get("composite_index");
151 updates.push(async move {
152 let mut index_iter = index.split(":");
153 let scid_hex = index_iter.next().unwrap();
154 index_iter.next().unwrap();
155 let direction_str = index_iter.next().unwrap();
156 assert!(direction_str == "1" || direction_str == "0");
157 let direction = direction_str == "1";
158 let scid_be_bytes = hex_utils::to_vec(scid_hex).unwrap();
159 let scid = i64::from_be_bytes(scid_be_bytes.try_into().unwrap());
160 assert!(scid > 0); // Will roll over in some 150 years or so
161 tx_ref.execute("UPDATE channel_updates SET short_channel_id = $1, direction = $2 WHERE id = $3", &[&scid, &direction, &id]).await.unwrap();
164 while let Some(_) = updates.next().await { }
166 tx.execute("ALTER TABLE channel_updates ALTER short_channel_id DROP DEFAULT", &[]).await.unwrap();
167 tx.execute("ALTER TABLE channel_updates ALTER short_channel_id SET NOT NULL", &[]).await.unwrap();
168 tx.execute("ALTER TABLE channel_updates ALTER direction DROP DEFAULT", &[]).await.unwrap();
169 tx.execute("ALTER TABLE channel_updates ALTER direction SET NOT NULL", &[]).await.unwrap();
170 tx.execute("UPDATE config SET db_schema = 3 WHERE id = 1", &[]).await.unwrap();
171 tx.commit().await.unwrap();
173 if schema >= 1 && schema <= 3 {
174 let tx = client.transaction().await.unwrap();
175 tx.execute("ALTER TABLE channel_announcements DROP COLUMN short_channel_id", &[]).await.unwrap();
176 tx.execute("ALTER TABLE channel_announcements ADD COLUMN short_channel_id bigint DEFAULT null", &[]).await.unwrap();
178 let rows = tx.query("SELECT id, announcement_signed FROM channel_announcements WHERE short_channel_id IS NULL LIMIT 10000", &[]).await.unwrap();
179 if rows.is_empty() { break; }
180 let mut updates = FuturesUnordered::new();
182 let id: i32 = row.get("id");
183 let announcement: Vec<u8> = row.get("announcement_signed");
185 updates.push(async move {
186 let scid = ChannelAnnouncement::read(&mut Cursor::new(announcement)).unwrap().contents.short_channel_id as i64;
187 assert!(scid > 0); // Will roll over in some 150 years or so
188 tx_ref.execute("UPDATE channel_announcements SET short_channel_id = $1 WHERE id = $2", &[&scid, &id]).await.unwrap();
191 while let Some(_) = updates.next().await { }
193 tx.execute("ALTER TABLE channel_announcements ADD CONSTRAINT channel_announcements_short_channel_id_key UNIQUE (short_channel_id)", &[]).await.unwrap();
194 tx.execute("ALTER TABLE channel_announcements ALTER short_channel_id DROP DEFAULT", &[]).await.unwrap();
195 tx.execute("ALTER TABLE channel_announcements ALTER short_channel_id SET NOT NULL", &[]).await.unwrap();
196 tx.execute("UPDATE config SET db_schema = 4 WHERE id = 1", &[]).await.unwrap();
197 tx.commit().await.unwrap();
199 if schema >= 1 && schema <= 4 {
200 let tx = client.transaction().await.unwrap();
201 tx.execute("ALTER TABLE channel_updates ALTER composite_index SET DATA TYPE character(29)", &[]).await.unwrap();
202 tx.execute("UPDATE config SET db_schema = 5 WHERE id = 1", &[]).await.unwrap();
203 tx.commit().await.unwrap();
205 if schema >= 1 && schema <= 5 {
206 let tx = client.transaction().await.unwrap();
207 tx.execute("ALTER TABLE channel_updates ALTER channel_flags SET DATA TYPE smallint", &[]).await.unwrap();
208 tx.execute("ALTER TABLE channel_announcements DROP COLUMN block_height", &[]).await.unwrap();
209 tx.execute("UPDATE config SET db_schema = 6 WHERE id = 1", &[]).await.unwrap();
210 tx.commit().await.unwrap();
212 if schema >= 1 && schema <= 6 {
213 let tx = client.transaction().await.unwrap();
214 tx.execute("ALTER TABLE channel_updates DROP COLUMN composite_index", &[]).await.unwrap();
215 tx.execute("ALTER TABLE channel_updates ALTER timestamp SET NOT NULL", &[]).await.unwrap();
216 tx.execute("ALTER TABLE channel_updates ALTER channel_flags SET NOT NULL", &[]).await.unwrap();
217 tx.execute("ALTER TABLE channel_updates ALTER disable SET NOT NULL", &[]).await.unwrap();
218 tx.execute("ALTER TABLE channel_updates ALTER cltv_expiry_delta SET NOT NULL", &[]).await.unwrap();
219 tx.execute("ALTER TABLE channel_updates ALTER htlc_minimum_msat SET NOT NULL", &[]).await.unwrap();
220 tx.execute("ALTER TABLE channel_updates ALTER fee_base_msat SET NOT NULL", &[]).await.unwrap();
221 tx.execute("ALTER TABLE channel_updates ALTER fee_proportional_millionths SET NOT NULL", &[]).await.unwrap();
222 tx.execute("ALTER TABLE channel_updates ALTER htlc_maximum_msat SET NOT NULL", &[]).await.unwrap();
223 tx.execute("ALTER TABLE channel_updates ALTER blob_signed SET NOT NULL", &[]).await.unwrap();
224 tx.execute("CREATE UNIQUE INDEX channel_updates_key ON channel_updates (short_channel_id, direction, timestamp)", &[]).await.unwrap();
225 tx.execute("UPDATE config SET db_schema = 7 WHERE id = 1", &[]).await.unwrap();
226 tx.commit().await.unwrap();
228 if schema >= 1 && schema <= 7 {
229 let tx = client.transaction().await.unwrap();
230 tx.execute("DROP INDEX IF EXISTS channels_seen", &[]).await.unwrap();
231 tx.execute("DROP INDEX IF EXISTS channel_updates_scid", &[]).await.unwrap();
232 tx.execute("DROP INDEX IF EXISTS channel_updates_direction", &[]).await.unwrap();
233 tx.execute("DROP INDEX IF EXISTS channel_updates_seen", &[]).await.unwrap();
234 tx.execute("DROP INDEX IF EXISTS channel_updates_scid_seen", &[]).await.unwrap();
235 tx.execute("DROP INDEX IF EXISTS channel_updates_scid_dir_seen", &[]).await.unwrap();
236 tx.execute("UPDATE config SET db_schema = 8 WHERE id = 1", &[]).await.unwrap();
237 tx.commit().await.unwrap();
239 if schema >= 1 && schema <= 8 {
240 let tx = client.transaction().await.unwrap();
241 tx.execute("DROP INDEX IF EXISTS channel_updates_seen", &[]).await.unwrap();
242 tx.execute("DROP INDEX IF EXISTS channel_updates_scid_seen", &[]).await.unwrap();
243 tx.execute("UPDATE config SET db_schema = 9 WHERE id = 1", &[]).await.unwrap();
244 tx.commit().await.unwrap();
246 if schema >= 1 && schema <= 9 {
247 let tx = client.transaction().await.unwrap();
248 tx.execute("DROP INDEX IF EXISTS channel_updates_scid_dir_seen", &[]).await.unwrap();
249 tx.execute("UPDATE config SET db_schema = 10 WHERE id = 1", &[]).await.unwrap();
250 tx.commit().await.unwrap();
252 if schema >= 1 && schema <= 10 {
253 let tx = client.transaction().await.unwrap();
254 tx.execute("DROP INDEX IF EXISTS channel_updates_id_with_scid_dir_blob", &[]).await.unwrap();
255 tx.execute("UPDATE config SET db_schema = 11 WHERE id = 1", &[]).await.unwrap();
256 tx.commit().await.unwrap();
258 if schema >= 1 && schema <= 11 {
259 let tx = client.transaction().await.unwrap();
260 tx.execute("DROP INDEX IF EXISTS channel_updates_seen_with_id_direction_blob", &[]).await.unwrap();
261 tx.execute("UPDATE config SET db_schema = 12 WHERE id = 1", &[]).await.unwrap();
262 tx.commit().await.unwrap();
264 if schema <= 1 || schema > SCHEMA_VERSION {
265 panic!("Unknown schema in db: {}, we support up to {}", schema, SCHEMA_VERSION);
267 // PostgreSQL (at least v13, but likely later versions as well) handles insert-only tables
268 // *very* poorly. After some number of inserts, it refuses to rely on indexes, assuming them to
269 // be possibly-stale, until a VACUUM happens. Thus, we set the vacuum factor really low here,
270 // pushing PostgreSQL to vacuum often.
271 // See https://www.cybertec-postgresql.com/en/postgresql-autovacuum-insert-only-tables/
272 let _ = client.execute("ALTER TABLE channel_updates SET ( autovacuum_vacuum_insert_scale_factor = 0.005 );", &[]).await;
273 let _ = client.execute("ALTER TABLE channel_announcements SET ( autovacuum_vacuum_insert_scale_factor = 0.005 );", &[]).await;
276 pub(crate) fn ln_peers() -> Vec<(PublicKey, SocketAddr)> {
277 const WALLET_OF_SATOSHI: &str = "035e4ff418fc8b5554c5d9eea66396c227bd429a3251c8cbc711002ba215bfc226@170.75.163.209:9735";
278 let list = env::var("LN_PEERS").unwrap_or(WALLET_OF_SATOSHI.to_string());
279 let mut peers = Vec::new();
280 for peer_info in list.split(',') {
281 peers.push(resolve_peer_info(peer_info).expect("Invalid peer info in LN_PEERS"));
286 fn resolve_peer_info(peer_info: &str) -> Result<(PublicKey, SocketAddr), &str> {
287 let mut peer_info = peer_info.splitn(2, '@');
289 let pubkey = peer_info.next().ok_or("Invalid peer info. Should be formatted as: `pubkey@host:port`")?;
290 let pubkey = Vec::from_hex(pubkey).map_err(|_| "Invalid node pubkey")?;
291 let pubkey = PublicKey::from_slice(&pubkey).map_err(|_| "Invalid node pubkey")?;
293 let socket_address = peer_info.next().ok_or("Invalid peer info. Should be formatted as: `pubkey@host:port`")?;
294 let socket_address = socket_address
296 .map_err(|_| "Cannot resolve node address")?
298 .ok_or("Cannot resolve node address")?;
300 Ok((pubkey, socket_address))
305 use super::resolve_peer_info;
306 use bitcoin::hashes::hex::ToHex;
309 fn test_resolve_peer_info() {
310 let wallet_of_satoshi = "035e4ff418fc8b5554c5d9eea66396c227bd429a3251c8cbc711002ba215bfc226@170.75.163.209:9735";
311 let (pubkey, socket_address) = resolve_peer_info(wallet_of_satoshi).unwrap();
312 assert_eq!(pubkey.serialize().to_hex(), "035e4ff418fc8b5554c5d9eea66396c227bd429a3251c8cbc711002ba215bfc226");
313 assert_eq!(socket_address.to_string(), "170.75.163.209:9735");
315 let ipv6 = "033d8656219478701227199cbd6f670335c8d408a92ae88b962c49d4dc0e83e025@[2001:db8::1]:80";
316 let (pubkey, socket_address) = resolve_peer_info(ipv6).unwrap();
317 assert_eq!(pubkey.serialize().to_hex(), "033d8656219478701227199cbd6f670335c8d408a92ae88b962c49d4dc0e83e025");
318 assert_eq!(socket_address.to_string(), "[2001:db8::1]:80");
320 let localhost = "033d8656219478701227199cbd6f670335c8d408a92ae88b962c49d4dc0e83e025@localhost:9735";
321 let (pubkey, socket_address) = resolve_peer_info(localhost).unwrap();
322 assert_eq!(pubkey.serialize().to_hex(), "033d8656219478701227199cbd6f670335c8d408a92ae88b962c49d4dc0e83e025");
323 let socket_address = socket_address.to_string();
324 assert!(socket_address == "127.0.0.1:9735" || socket_address == "[::1]:9735");