Create first unit test.

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

diff --git a/src/lib.rs b/src/lib.rs
index b6281bcb6836b58f7ecff75664ba6075bde8df13..1852911a68a02b18e32bc7bc2a4a7c86d9b1b667 100644 (file)
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -20,6 +20,8 @@ use lightning::routing::gossip::{NetworkGraph, NodeId};
 use lightning::util::logger::Logger;
 use lightning::util::ser::{ReadableArgs, Writeable};
 use tokio::sync::mpsc;
+use tokio_postgres::{Client, NoTls};
+use crate::config::SYMLINK_GRANULARITY_INTERVAL;
 use crate::lookup::DeltaSet;
 
 use crate::persistence::GossipPersister;
@@ -39,6 +41,9 @@ mod verifier;
 
 pub mod types;
 
+#[cfg(test)]
+mod tests;
+
 /// The purpose of this prefix is to identify the serialization format, should other rapid gossip
 /// sync formats arise in the future.
 ///
@@ -84,6 +89,9 @@ impl<L: Deref + Clone + Send + Sync + 'static> RapidSyncProcessor<L> where L::Ta
        }
 
        pub async fn start_sync(&self) {
+               log_info!(self.logger, "Starting Rapid Gossip Sync Server");
+               log_info!(self.logger, "Snapshot interval: {} seconds", config::snapshot_generation_interval());
+
                // means to indicate sync completion status within this module
                let (sync_completion_sender, mut sync_completion_receiver) = mpsc::channel::<()>(1);
 
@@ -110,6 +118,28 @@ impl<L: Deref + Clone + Send + Sync + 'static> RapidSyncProcessor<L> where L::Ta
        }
 }
 
+pub(crate) async fn connect_to_db() -> Client {
+       let connection_config = config::db_connection_config();
+       let (client, connection) = connection_config.connect(NoTls).await.unwrap();
+
+       tokio::spawn(async move {
+               if let Err(e) = connection.await {
+                       panic!("connection error: {}", e);
+               }
+       });
+
+       #[cfg(test)]
+       {
+               let schema_name = tests::db_test_schema();
+               let schema_creation_command = format!("CREATE SCHEMA IF NOT EXISTS {}", schema_name);
+               client.execute(&schema_creation_command, &[]).await.unwrap();
+               client.execute(&format!("SET search_path TO {}", schema_name), &[]).await.unwrap();
+       }
+
+       client.execute("set time zone UTC", &[]).await.unwrap();
+       client
+}
+
 /// This method generates a no-op blob that can be used as a delta where none exists.
 ///
 /// The primary purpose of this method is the scenario of a client retrieving and processing a
@@ -131,7 +161,7 @@ fn serialize_empty_blob(current_timestamp: u64) -> Vec<u8> {
        let chain_hash = genesis_block.block_hash();
        chain_hash.write(&mut blob).unwrap();
 
-       let blob_timestamp = Snapshotter::<Arc<RGSSLogger>>::round_down_to_nearest_multiple(current_timestamp, config::SNAPSHOT_CALCULATION_INTERVAL as u64) as u32;
+       let blob_timestamp = Snapshotter::<Arc<RGSSLogger>>::round_down_to_nearest_multiple(current_timestamp, SYMLINK_GRANULARITY_INTERVAL as u64) as u32;
        blob_timestamp.write(&mut blob).unwrap();
 
        0u32.write(&mut blob).unwrap(); // node count
@@ -142,17 +172,12 @@ fn serialize_empty_blob(current_timestamp: u64) -> Vec<u8> {
 }
 
 async fn serialize_delta<L: Deref + Clone>(network_graph: Arc<NetworkGraph<L>>, last_sync_timestamp: u32, logger: L) -> SerializedResponse where L::Target: Logger {
-       let (client, connection) = lookup::connect_to_db().await;
+       let client = connect_to_db().await;
 
        network_graph.remove_stale_channels_and_tracking();
 
-       tokio::spawn(async move {
-               if let Err(e) = connection.await {
-                       panic!("connection error: {}", e);
-               }
-       });
-
        let mut output: Vec<u8> = vec![];
+       let snapshot_interval = config::snapshot_generation_interval();
 
        // set a flag if the chain hash is prepended
        // chain hash only necessary if either channel announcements or non-incremental updates are present
@@ -238,7 +263,7 @@ async fn serialize_delta<L: Deref + Clone>(network_graph: Arc<NetworkGraph<L>>,
        serialization_details.chain_hash.write(&mut prefixed_output).unwrap();
        // always write the latest seen timestamp
        let latest_seen_timestamp = serialization_details.latest_seen;
-       let overflow_seconds = latest_seen_timestamp % config::SNAPSHOT_CALCULATION_INTERVAL;
+       let overflow_seconds = latest_seen_timestamp % snapshot_interval;
        let serialized_seen_timestamp = latest_seen_timestamp.saturating_sub(overflow_seconds);
        serialized_seen_timestamp.write(&mut prefixed_output).unwrap();