Fedimint resync

mutiny-core/Cargo.toml

@@ -50,14 +50,14 @@ hex-conservative = "0.1.1"
 async-lock = "3.2.0"
 bitcoin-waila = "0.5.0"
 
-fedimint-client = "0.3.0"
-fedimint-core = "0.3.0"
-fedimint-wallet-client = "0.3.0"
-fedimint-mint-client = "0.3.0"
-fedimint-ln-client = "0.3.0"
-fedimint-bip39 = "0.3.0"
-fedimint-ln-common = "0.3.0"
-fedimint-tbs = "0.3.0"
+fedimint-client = "=0.3.0"
+fedimint-core = "=0.3.0"
+fedimint-wallet-client = "=0.3.0"
+fedimint-mint-client = "=0.3.0"
+fedimint-ln-client = "=0.3.0"
+fedimint-bip39 = "=0.3.0"
+fedimint-ln-common = "=0.3.0"
+fedimint-tbs = "=0.3.0"
 moksha-core = "0.2.1"
 
 base64 = "0.13.0"

mutiny-core/src/federation.rs

@@ -38,6 +38,7 @@ use fedimint_client::{
 };
 use fedimint_core::bitcoin_migration::bitcoin30_to_bitcoin29_address;
 use fedimint_core::config::ClientConfig;
+use fedimint_core::core::LEGACY_HARDCODED_INSTANCE_ID_MINT;
 use fedimint_core::{
     api::InviteCode,
     config::FederationId,
@@ -143,6 +144,13 @@ impl From<LnPayState> for HTLCStatus {
     }
 }
 
+#[derive(Debug, Serialize, Deserialize, Clone, Default)]
+pub struct ResyncProgress {
+    pub total: u32,
+    pub complete: u32,
+    pub done: bool,
+}
+
 // This is the FederationStorage object saved to the DB
 #[derive(Debug, Serialize, Deserialize, Clone, Default)]
 pub struct FederationStorage {
@@ -262,6 +270,7 @@ impl<S: MutinyStorage> FederationClient<S> {
         network: Network,
         stop: Arc<AtomicBool>,
         logger: Arc<MutinyLogger>,
+        safe_mode: bool,
     ) -> Result<Self, MutinyError> {
         log_info!(logger, "initializing a new federation client: {uuid}");
 
@@ -282,6 +291,10 @@ impl<S: MutinyStorage> FederationClient<S> {
 
         client_builder.with_primary_module(1);
 
+        if safe_mode {
+            client_builder.stopped();
+        }
+
         log_trace!(logger, "Building fedimint client db");
         let secret = create_federation_secret(xprivkey, network)?;
 
@@ -482,6 +495,101 @@ impl<S: MutinyStorage> FederationClient<S> {
         );
     }
 
+    /// Starts a resync of the federation
+    pub async fn start_resync(
+        federation_code: InviteCode,
+        xprivkey: ExtendedPrivKey,
+        storage: S,
+        network: Network,
+        logger: Arc<MutinyLogger>,
+    ) -> Result<(), MutinyError> {
+        let federation_id = federation_code.federation_id();
+
+        let storage_key = format!("resync_state/{federation_id}");
+        storage.set_data(storage_key.clone(), ResyncProgress::default(), None)?;
+
+        log_trace!(logger, "Building fedimint client db");
+        let fedimint_storage =
+            FedimintStorage::new(storage.clone(), federation_id.to_string(), logger.clone())
+                .await?;
+        let db = fedimint_storage.clone().into();
+
+        let mut client_builder = fedimint_client::Client::builder(db);
+        client_builder.with_module(WalletClientInit(None));
+        client_builder.with_module(MintClientInit);
+        client_builder.with_module(LightningClientInit);
+
+        client_builder.with_primary_module(1);
+
+        log_trace!(logger, "Building fedimint client db");
+        let secret = create_federation_secret(xprivkey, network)?;
+
+        // need to use a fresh database for resync
+        fedimint_storage.delete_store().await?;
+
+        let config = ClientConfig::download_from_invite_code(&federation_code)
+            .await
+            .map_err(|e| {
+                log_error!(logger, "Could not download federation info: {e}");
+                e
+            })?;
+
+        let fedimint_client = client_builder
+            .recover(
+                get_default_client_secret(&secret, &federation_id),
+                config,
+                None,
+            )
+            .await
+            .map_err(|e| {
+                log_error!(logger, "Could not open federation client: {e}");
+                MutinyError::FederationConnectionFailed
+            })?;
+        let fedimint_client = Arc::new(fedimint_client);
+
+        log_debug!(logger, "Built fedimint resync client");
+
+        spawn(async move {
+            let mut stream = fedimint_client.subscribe_to_recovery_progress();
+
+            while let Some((id, progress)) = stream.next().await {
+                // only can rescan mint client, don't care about sync progress of others
+                if id != LEGACY_HARDCODED_INSTANCE_ID_MINT || progress.is_none() {
+                    continue;
+                }
+
+                log_debug!(logger, "Got recovery progress: {progress:?}");
+
+                // save progress state to storage so frontend can show progress
+                if let Err(e) = storage.set_data(
+                    storage_key.clone(),
+                    ResyncProgress {
+                        total: progress.total,
+                        complete: progress.complete,
+                        done: progress.is_done(),
+                    },
+                    None,
+                ) {
+                    log_error!(logger, "Error saving resync progress: {e}");
+                }
+            }
+
+            log_debug!(logger, "No more progress, waiting for recoveries");
+
+            // wait for all recoveries to complete just to be sure
+            if let Err(e) = fedimint_client.wait_for_all_recoveries().await {
+                log_error!(logger, "Error waiting for recoveries: {e}");
+            }
+
+            // can now delete the progress state
+            if let Err(e) = storage.delete(&[storage_key]) {
+                log_error!(logger, "Error deleting resync progress state: {e}");
+            }
+        });
+
+        Ok(())
+    }
+
     pub(crate) async fn gateway_fee(&self) -> Result<GatewayFees, MutinyError> {
         let gateway = self.gateway.read().await;
         Ok(gateway.as_ref().map(|x| x.fees.into()).unwrap_or_default())

mutiny-core/src/lib.rs

@@ -43,7 +43,7 @@ pub mod vss;
 #[cfg(test)]
 mod test_utils;
 
-use crate::federation::get_federation_identity;
+use crate::federation::{get_federation_identity, ResyncProgress};
 pub use crate::gossip::{GOSSIP_SYNC_TIME_KEY, NETWORK_GRAPH_KEY, PROB_SCORER_KEY};
 pub use crate::keymanager::generate_seed;
 pub use crate::ldkstorage::{CHANNEL_CLOSURE_PREFIX, CHANNEL_MANAGER_KEY, MONITORS_PREFIX_KEY};
@@ -1004,6 +1004,7 @@ impl<S: MutinyStorage> MutinyWalletBuilder<S> {
                 esplora.clone(),
                 stop.clone(),
                 &logger,
+                self.safe_mode,
             )
             .await?;
             log_debug!(
@@ -2982,6 +2983,7 @@ impl<S: MutinyStorage> MutinyWallet<S> {
             self.esplora.clone(),
             federation_code,
             self.stop.clone(),
+            self.safe_mode,
         )
         .await;
         log_trace!(self.logger, "finished calling new_federation");
@@ -3111,6 +3113,43 @@ impl<S: MutinyStorage> MutinyWallet<S> {
         Ok(FederationBalances { balances })
     }
 
+    pub async fn resync_federation(&self, federation_id: FederationId) -> Result<(), MutinyError> {
+        if !self.safe_mode {
+            // cannot safely run unless in safe mode
+            return Err(MutinyError::AlreadyRunning);
+        }
+
+        let invite_code = self
+            .federation_storage
+            .read()
+            .await
+            .federations
+            .values()
+            .find(|f| f.federation_code.federation_id() == federation_id)
+            .ok_or(MutinyError::NotFound)?
+            .federation_code
+            .clone();
+
+        FederationClient::start_resync(
+            invite_code,
+            self.xprivkey,
+            self.storage.clone(),
+            self.network,
+            self.logger.clone(),
+        )
+        .await?;
+
+        Ok(())
+    }
+
+    pub fn get_federation_resync_progress(
+        &self,
+        federation_id: FederationId,
+    ) -> Result<Option<ResyncProgress>, MutinyError> {
+        let storage_key = format!("resync_state/{federation_id}");
+        self.storage.get_data(storage_key)
+    }
+
     /// Starts a background process that will check pending fedimint operations
     pub(crate) async fn start_fedimint_background_checker(&self) {
         log_trace!(self.logger, "calling start_fedimint_background_checker");
@@ -3734,6 +3773,7 @@ async fn create_federations<S: MutinyStorage>(
     esplora: Arc<AsyncClient>,
     stop: Arc<AtomicBool>,
     logger: &Arc<MutinyLogger>,
+    safe_mode: bool,
 ) -> Result<Arc<RwLock<HashMap<FederationId, Arc<FederationClient<S>>>>>, MutinyError> {
     let mut federation_map = HashMap::with_capacity(federation_storage.federations.len());
     for (uuid, federation_index) in federation_storage.federations {
@@ -3746,6 +3786,7 @@ async fn create_federations<S: MutinyStorage>(
             c.network,
             stop.clone(),
             logger.clone(),
+            safe_mode,
         )
         .await?;
 
@@ -3770,6 +3811,7 @@ pub(crate) async fn create_new_federation<S: MutinyStorage>(
     esplora: Arc<AsyncClient>,
     federation_code: InviteCode,
     stop: Arc<AtomicBool>,
+    safe_mode: bool,
 ) -> Result<FederationIdentity, MutinyError> {
     // Begin with a mutex lock so that nothing else can
     // save or alter the federation list while it is about to
@@ -3801,6 +3843,7 @@ pub(crate) async fn create_new_federation<S: MutinyStorage>(
         network,
         stop.clone(),
         logger.clone(),
+        safe_mode,
     )
     .await?;
 

mutiny-wasm/Cargo.toml

@@ -43,7 +43,7 @@ urlencoding = "2.1.2"
 once_cell = "1.18.0"
 hex-conservative = "0.1.1"
 payjoin = { version = "0.13.0", features = ["send", "base64"] }
-fedimint-core = "0.3.0"
+fedimint-core = "=0.3.0"
 moksha-core = "0.2.1"
 
 bitcoin-waila = "0.5.0"

mutiny-wasm/src/indexed_db.rs

@@ -4,7 +4,7 @@ use bip39::Mnemonic;
 use futures::lock::Mutex;
 use gloo_utils::format::JsValueSerdeExt;
 use lightning::util::logger::Logger;
-use lightning::{log_debug, log_error, log_trace};
+use lightning::{log_debug, log_error, log_info, log_trace};
 use log::error;
 use mutiny_core::blindauth::TokenStorage;
 use mutiny_core::logging::LOGGING_KEY;
@@ -346,11 +346,12 @@ impl IndexedDbStorage {
 
         match vss {
             None => {
+                log_info!(logger, "No VSS configured");
                 let final_map = map.memory.read().unwrap();
                 Ok(final_map.clone())
             }
             Some(vss) => {
-                log_trace!(logger, "Reading from vss");
+                log_info!(logger, "Reading from vss");
                 let start = instant::Instant::now();
                 let keys = vss.list_key_versions(None).await?;
                 let mut futs = Vec::with_capacity(keys.len());

mutiny-wasm/src/lib.rs

@@ -2103,6 +2103,23 @@ impl MutinyWallet {
         Ok(())
     }
 
+    pub async fn resync_federation(&self, federation_id: String) -> Result<(), MutinyJsError> {
+        let federation_id = FederationId::from_str(&federation_id)
+            .map_err(|_| MutinyJsError::InvalidArgumentsError)?;
+        self.inner.resync_federation(federation_id).await?;
+        Ok(())
+    }
+
+    pub fn get_federation_resync_progress(
+        &self,
+        federation_id: String,
+    ) -> Result<JsValue, MutinyJsError> {
+        let federation_id = FederationId::from_str(&federation_id)
+            .map_err(|_| MutinyJsError::InvalidArgumentsError)?;
+        let res = self.inner.get_federation_resync_progress(federation_id)?;
+        Ok(JsValue::from_serde(&res)?)
+    }
+
     /// Restore's the mnemonic after deleting the previous state.
     ///
     /// Backup the state beforehand. Does not restore lightning data.