Start up optimizations grab bag

mutiny-core/src/auth.rs

@@ -6,16 +6,17 @@ use crate::{
     networking::websocket::{SimpleWebSocket, WebSocketImpl},
     utils,
 };
+use async_lock::RwLock;
 use jwt_compact::UntrustedToken;
 use lightning::util::logger::*;
-use lightning::{log_error, log_info};
+use lightning::{log_debug, log_error, log_info};
 use lnurl::{lnurl::LnUrl, AsyncClient as LnUrlClient};
 use reqwest::Client;
 use reqwest::{Method, StatusCode, Url};
 use serde::{Deserialize, Serialize};
 use serde_json::Value;
 use std::str::FromStr;
-use std::sync::{Arc, RwLock};
+use std::sync::Arc;
 
 #[derive(Debug, PartialEq, Serialize, Deserialize)]
 struct CustomClaims {
@@ -54,8 +55,9 @@ impl MutinyAuthClient {
         Ok(())
     }
 
-    pub fn is_authenticated(&self) -> Option<String> {
-        if let Some(ref jwt) = *self.jwt.try_read().unwrap() {
+    pub async fn is_authenticated(&self) -> Option<String> {
+        let lock = self.jwt.read().await;
+        if let Some(jwt) = lock.as_ref() {
             return Some(jwt.to_string()); // TODO parse and make sure still valid
         }
         None
@@ -92,7 +94,7 @@ impl MutinyAuthClient {
     ) -> Result<reqwest::Response, MutinyError> {
         let mut request = self.http_client.request(method, url);
 
-        let mut jwt = self.is_authenticated();
+        let mut jwt = self.is_authenticated().await;
         if jwt.is_none() {
             jwt = Some(self.retrieve_new_jwt().await?);
         }
@@ -110,6 +112,10 @@ impl MutinyAuthClient {
     }
 
     async fn retrieve_new_jwt(&self) -> Result<String, MutinyError> {
+        // get lock so we don't make multiple requests for the same token
+        let mut lock = self.jwt.write().await;
+        log_debug!(self.logger, "Retrieving new JWT token");
+
         let mut url = Url::parse(&self.url).map_err(|_| MutinyError::LnUrlFailure)?;
         let ws_scheme = match url.scheme() {
             "http" => "ws",
@@ -165,7 +171,7 @@ impl MutinyAuthClient {
         };
 
         log_info!(self.logger, "Retrieved new JWT token");
-        *self.jwt.try_write()? = Some(jwt.clone());
+        *lock = Some(jwt.clone());
         Ok(jwt)
     }
 }
@@ -201,7 +207,7 @@ mod tests {
 
         // Test authenticate method
         match auth_client.authenticate().await {
-            Ok(_) => assert!(auth_client.is_authenticated().is_some()),
+            Ok(_) => assert!(auth_client.is_authenticated().await.is_some()),
             Err(e) => panic!("Authentication failed with error: {:?}", e),
         };
 

mutiny-core/src/federation.rs

@@ -1,3 +1,4 @@
+use crate::utils::spawn;
 use crate::{
     error::{MutinyError, MutinyStorageError},
     event::PaymentInfo,
@@ -55,11 +56,15 @@ use fedimint_wallet_client::{WalletClientInit, WalletClientModule};
 use futures::future::{self};
 use futures_util::{pin_mut, StreamExt};
 use hex::FromHex;
+#[cfg(target_arch = "wasm32")]
+use instant::Instant;
 use lightning::{
     ln::PaymentHash, log_debug, log_error, log_info, log_trace, log_warn, util::logger::Logger,
 };
 use lightning_invoice::{Bolt11Invoice, RoutingFees};
 use serde::{de::DeserializeOwned, Deserialize, Serialize};
+#[cfg(not(target_arch = "wasm32"))]
+use std::time::Instant;
 use std::{collections::HashMap, fmt::Debug, sync::Arc};
 use std::{
     str::FromStr,
@@ -192,35 +197,39 @@ impl<S: MutinyStorage> FederationClient<S> {
     ) -> Result<Self, MutinyError> {
         log_info!(logger, "initializing a new federation client: {uuid}");
 
-        let federation_info = FederationInfo::from_invite_code(federation_code.clone())
-            .await
-            .map_err(|e| {
-                log_error!(logger, "Could not parse invite code: {}", e);
-                e
-            })?;
-
-        log_debug!(
-            logger,
-            "parsed federation invite code: {:?}",
-            federation_info.invite_code()
-        );
+        let federation_id = federation_code.federation_id();
 
         let mut client_builder = fedimint_client::Client::builder();
         client_builder.with_module(WalletClientInit(None));
         client_builder.with_module(MintClientInit);
         client_builder.with_module(LightningClientInit);
 
         log_trace!(logger, "Building fedimint client db");
-        let fedimint_storage = FedimintStorage::new(
-            storage.clone(),
-            federation_info.federation_id().to_string(),
-            logger.clone(),
-        )
-        .await?;
+        let fedimint_storage =
+            FedimintStorage::new(storage.clone(), federation_id.to_string(), logger.clone())
+                .await?;
         let db = fedimint_storage.clone().into();
 
         if get_config_from_db(&db).await.is_none() {
-            client_builder.with_federation_info(federation_info.clone());
+            let download = Instant::now();
+            let federation_info = FederationInfo::from_invite_code(federation_code)
+                .await
+                .map_err(|e| {
+                    log_error!(logger, "Could not parse invite code: {}", e);
+                    e
+                })?;
+            log_trace!(
+                logger,
+                "Downloaded federation info in: {}ms",
+                download.elapsed().as_millis()
+            );
+
+            log_debug!(
+                logger,
+                "parsed federation invite code: {:?}",
+                federation_info.invite_code()
+            );
+            client_builder.with_federation_info(federation_info);
         }
 
         client_builder.with_database(db);
@@ -230,10 +239,7 @@ impl<S: MutinyStorage> FederationClient<S> {
         let secret = create_federation_secret(xprivkey, network)?;
 
         let fedimint_client = client_builder
-            .build(get_default_client_secret(
-                &secret,
-                &federation_info.federation_id(),
-            ))
+            .build(get_default_client_secret(&secret, &federation_id))
             .await?;
 
         log_trace!(logger, "Retrieving fedimint wallet client module");
@@ -249,36 +255,43 @@ impl<S: MutinyStorage> FederationClient<S> {
             return Err(MutinyError::NetworkMismatch);
         }
 
-        // Set active gateway preference
-        let lightning_module = fedimint_client.get_first_module::<LightningClientModule>();
-        let gateways = lightning_module
-            .fetch_registered_gateways()
-            .await
-            .map_err(|e| {
-                log_warn!(
-                    logger,
-                    "Could not fetch gateways from federation {}: {e}",
-                    federation_info.federation_id()
-                )
-            });
-
-        if let Ok(gateways) = gateways {
-            if let Some(a) = get_gateway_preference(gateways, fedimint_client.federation_id()) {
-                log_info!(
-                    logger,
-                    "Setting active gateway for federation {}: {:?}",
-                    federation_info.federation_id(),
-                    a
-                );
-                let _ = lightning_module.set_active_gateway(&a).await.map_err(|e| {
+        // Set active gateway preference in background
+        let client_clone = fedimint_client.clone();
+        let logger_clone = logger.clone();
+        spawn(async move {
+            let start = Instant::now();
+            let lightning_module = client_clone.get_first_module::<LightningClientModule>();
+            let gateways = lightning_module
+                .fetch_registered_gateways()
+                .await
+                .map_err(|e| {
                     log_warn!(
-                        logger,
-                        "Could not set gateway for federation {}: {e}",
-                        federation_info.federation_id()
+                        logger_clone,
+                        "Could not fetch gateways from federation {federation_id}: {e}",
                     )
                 });
+
+            if let Ok(gateways) = gateways {
+                if let Some(a) = get_gateway_preference(gateways, federation_id) {
+                    log_info!(
+                        logger_clone,
+                        "Setting active gateway for federation {federation_id}: {a}"
+                    );
+                    let _ = lightning_module.set_active_gateway(&a).await.map_err(|e| {
+                        log_warn!(
+                            logger_clone,
+                            "Could not set gateway for federation {federation_id}: {e}",
+                        )
+                    });
+                }
             }
-        }
+
+            log_trace!(
+                logger_clone,
+                "Setting active gateway took: {}ms",
+                start.elapsed().as_millis()
+            );
+        });
 
         log_debug!(logger, "Built fedimint client");
         Ok(FederationClient {

mutiny-core/src/gossip.rs

@@ -4,17 +4,21 @@ use crate::{
 };
 use bitcoin::hashes::hex::{FromHex, ToHex};
 use bitcoin::Network;
+#[cfg(target_arch = "wasm32")]
+use instant::Instant;
 use lightning::ln::msgs::NodeAnnouncement;
 use lightning::routing::gossip::NodeId;
 use lightning::util::logger::Logger;
 use lightning::util::ser::ReadableArgs;
-use lightning::{log_debug, log_error, log_info, log_warn};
+use lightning::{log_debug, log_error, log_info, log_trace, log_warn};
 use reqwest::Client;
 use reqwest::{Method, Url};
 use serde::{Deserialize, Serialize};
 use std::collections::HashMap;
 use std::str::FromStr;
 use std::sync::Arc;
+#[cfg(not(target_arch = "wasm32"))]
+use std::time::Instant;
 
 use crate::logging::MutinyLogger;
 use crate::node::{NetworkGraph, RapidGossipSync};
@@ -105,7 +109,7 @@ pub struct Scorer {
     pub value: String,
 }
 
-pub async fn get_remote_scorer_bytes(
+async fn get_remote_scorer_bytes(
     auth_client: &MutinyAuthClient,
     base_url: &str,
 ) -> Result<Vec<u8>, MutinyError> {
@@ -126,6 +130,29 @@ pub async fn get_remote_scorer_bytes(
     Ok(decoded)
 }
 
+/// Gets the remote scorer from the server, parses it and returns it as a [`HubPreferentialScorer`]
+pub async fn get_remote_scorer(
+    auth_client: &MutinyAuthClient,
+    base_url: &str,
+    network_graph: Arc<NetworkGraph>,
+    logger: Arc<MutinyLogger>,
+) -> Result<HubPreferentialScorer, MutinyError> {
+    let start = Instant::now();
+    let scorer_bytes = get_remote_scorer_bytes(auth_client, base_url).await?;
+    let mut readable_bytes = lightning::io::Cursor::new(scorer_bytes);
+    let params = decay_params();
+    let args = (params, network_graph, logger.clone());
+    let scorer = ProbScorer::read(&mut readable_bytes, args)?;
+
+    log_trace!(
+        logger,
+        "Retrieved remote scorer in {}ms",
+        start.elapsed().as_millis()
+    );
+
+    Ok(HubPreferentialScorer::new(scorer))
+}
+
 fn write_gossip_data(
     storage: &impl MutinyStorage,
     last_sync_timestamp: u32,
@@ -142,9 +169,7 @@ fn write_gossip_data(
 }
 
 pub async fn get_gossip_sync(
-    _storage: &impl MutinyStorage,
-    remote_scorer_url: Option<String>,
-    auth_client: Option<Arc<MutinyAuthClient>>,
+    storage: &impl MutinyStorage,
     network: Network,
     logger: Arc<MutinyLogger>,
 ) -> Result<(RapidGossipSync, HubPreferentialScorer), MutinyError> {
@@ -158,37 +183,28 @@ pub async fn get_gossip_sync(
         gossip_data.last_sync_timestamp
     );
 
+    let start = Instant::now();
+
     // get network graph
     let gossip_sync = RapidGossipSync::new(gossip_data.network_graph.clone(), logger.clone());
 
-    // Try to get remote scorer if remote_scorer_url and auth_client are available
-    if let (Some(url), Some(client)) = (remote_scorer_url, &auth_client) {
-        match get_remote_scorer_bytes(client, &url).await {
-            Ok(scorer_bytes) => {
-                let mut readable_bytes = lightning::io::Cursor::new(scorer_bytes);
-                let params = decay_params();
-                let args = (
-                    params,
-                    Arc::clone(&gossip_data.network_graph),
-                    Arc::clone(&logger),
-                );
-                if let Ok(remote_scorer) = ProbScorer::read(&mut readable_bytes, args) {
-                    log_debug!(logger, "retrieved remote scorer");
-                    let remote_scorer = HubPreferentialScorer::new(remote_scorer);
-                    gossip_data.scorer = Some(remote_scorer);
-                } else {
-                    log_error!(
-                        logger,
-                        "failed to parse remote scorer, keeping the local one"
-                    );
-                }
-            }
-            Err(_) => {
-                log_error!(
-                    logger,
-                    "failed to retrieve remote scorer, keeping the local one"
-                );
-            }
+    let scorer_hex: Option<String> = storage.get_data(PROB_SCORER_KEY)?;
+
+    if let Some(hex) = scorer_hex {
+        let scorer_bytes: Vec<u8> = Vec::from_hex(&hex)?;
+        let mut readable_bytes = lightning::io::Cursor::new(scorer_bytes);
+        let params = decay_params();
+        let args = (
+            params,
+            Arc::clone(&gossip_data.network_graph),
+            Arc::clone(&logger),
+        );
+        if let Ok(scorer) = ProbScorer::read(&mut readable_bytes, args) {
+            log_debug!(logger, "retrieved local scorer");
+            let scorer = HubPreferentialScorer::new(scorer);
+            gossip_data.scorer = Some(scorer);
+        } else {
+            log_error!(logger, "failed to parse local scorer");
         }
     }
 
@@ -201,6 +217,11 @@ pub async fn get_gossip_sync(
         }
     };
 
+    log_trace!(
+        &logger,
+        "Gossip sync/Scorer initialized in {}ms",
+        start.elapsed().as_millis()
+    );
     Ok((gossip_sync, prob_scorer))
 }
 
@@ -550,7 +571,7 @@ mod test {
         let storage = MemoryStorage::default();
 
         let logger = Arc::new(MutinyLogger::default());
-        let _gossip_sync = get_gossip_sync(&storage, None, None, Network::Regtest, logger.clone())
+        let _gossip_sync = get_gossip_sync(&storage, Network::Regtest, logger.clone())
             .await
             .unwrap();