Send reminders for stale-ish channels.

[rapid-gossip-sync-server] / src / config.rs

diff --git a/src/config.rs b/src/config.rs
index 1f968d6418760b880cd1db6862ecf892b9446dc7..acf7ac98a1956ffdb71459a4b278e776ba7a8435 100644 (file)
--- a/src/config.rs
+++ b/src/config.rs
@@ -16,6 +16,10 @@ use tokio_postgres::Config;
 
 pub(crate) const SCHEMA_VERSION: i32 = 8;
 pub(crate) const SNAPSHOT_CALCULATION_INTERVAL: u32 = 3600 * 24; // every 24 hours, in seconds
+/// If the last update in either direction was more than six days ago, we send a reminder
+/// That reminder may be either in the form of a channel announcement, or in the form of empty
+/// updates in both directions.
+pub(crate) const CHANNEL_REMINDER_AGE: u32 = 6 * 24 * 3600;
 pub(crate) const DOWNLOAD_NEW_GOSSIP: bool = true;
 
 pub(crate) fn network() -> Network {
@@ -30,8 +34,13 @@ pub(crate) fn network() -> Network {
        }
 }
 
-pub(crate) fn network_graph_cache_path() -> &'static str {
-       "./res/network_graph.bin"
+pub(crate) fn network_graph_cache_path() -> String {
+       format!("{}/network_graph.bin", cache_path())
+}
+
+pub(crate) fn cache_path() -> String {
+       let path = env::var("RAPID_GOSSIP_SYNC_SERVER_CACHES_PATH").unwrap_or("./res".to_string()).to_lowercase();
+       path
 }
 
 pub(crate) fn db_connection_config() -> Config {