Changes

src/lib.rs

@@ -2,7 +2,7 @@
 pub use importer::write_seed;
 pub use multitenant::set_multitenant;
 pub use platform_client::{set_wallet_account, update_transaction};
-pub use subscription::SubscriptionParams;
+pub use subscription::{SubscriptionJob, SubscriptionParams};
 pub use transaction::TransactionJob;
 pub use wallet::DeriveWalletJob;
 

src/main.rs

@@ -8,7 +8,7 @@ use subxt::{OnlineClient, PolkadotConfig};
 use tokio::signal;
 use wallet_daemon::config_loader::{load_config, load_wallet};
 use wallet_daemon::{
-    set_multitenant, write_seed, DeriveWalletJob, SubscriptionParams, TransactionJob,
+    set_multitenant, write_seed, DeriveWalletJob, SubscriptionJob, TransactionJob,
 };
 
 #[tokio::main(flavor = "multi_thread")]
@@ -52,16 +52,18 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     });
 
     let chain_client = Arc::new(chain_client);
-    let subscription = SubscriptionParams::new(Arc::clone(&chain_client));
+    let subscription_job = SubscriptionJob::create_job(Arc::clone(&chain_client));
+    let params = subscription_job.get_params();
 
     let (transaction_poller, transaction_processor) = TransactionJob::create_job(
         Arc::clone(&chain_client),
-        Arc::clone(&subscription),
+        Arc::clone(&params),
         keypair.clone(),
         platform_url.clone(),
         platform_token.clone(),
     );
 
+    subscription_job.start();
     transaction_poller.start();
     transaction_processor.start();
 

src/subscription.rs

@@ -1,41 +1,73 @@
 use std::sync::{Arc, Mutex};
+use std::{panic, process};
 use subxt::client::ClientRuntimeUpdater;
 use subxt::ext::subxt_core;
 use subxt::{OnlineClient, PolkadotConfig};
 use subxt_core::config::substrate;
 
 #[derive(Debug)]
-pub struct SubscriptionParams {
-    rpc: Arc<OnlineClient<PolkadotConfig>>,
-    block_header: Arc<Mutex<Option<substrate::SubstrateHeader<u32, substrate::BlakeTwo256>>>>,
-    spec_version: Arc<Mutex<Option<u32>>>,
+pub struct SubscriptionJob {
+    params: Arc<SubscriptionParams>,
 }
 
-impl SubscriptionParams {
-    pub fn new(rpc: Arc<OnlineClient<PolkadotConfig>>) -> Arc<Self> {
+impl SubscriptionJob {
+    pub fn new(params: Arc<SubscriptionParams>) -> Self {
+        Self { params }
+    }
+
+    pub fn create_job(rpc: Arc<OnlineClient<PolkadotConfig>>) -> SubscriptionJob {
         let block_header = Arc::new(Mutex::new(None));
         let spec_version = Arc::new(Mutex::new(None));
-
-        let subscription = Arc::new(Self {
-            rpc: Arc::clone(&rpc),
+        let subscription = Arc::new(SubscriptionParams {
+            rpc,
             block_header: Arc::clone(&block_header),
             spec_version: Arc::clone(&spec_version),
         });
 
-        let block_sub = Arc::clone(&subscription);
+        SubscriptionJob::new(subscription)
+    }
+
+    pub fn start(&self) {
+        let orig_hook = panic::take_hook();
+        panic::set_hook(Box::new(move |panic_info| {
+            orig_hook(panic_info);
+            process::exit(1);
+        }));
+
+        self.start_block();
+        self.start_runtime();
+    }
+
+    pub fn start_block(&self) {
+        let block_sub = Arc::clone(&self.params);
+
         tokio::spawn(async move {
             block_sub.block_subscription().await;
         });
+    }
 
-        let runtime_sub = Arc::clone(&subscription);
+    pub fn start_runtime(&self) {
+        let runtime_sub = Arc::clone(&self.params);
         let updater = runtime_sub.rpc.updater();
+
         tokio::spawn(async move {
             runtime_sub.runtime_subscription(updater).await;
         });
+    }
 
-        subscription
+    pub fn get_params(&self) -> Arc<SubscriptionParams> {
+        Arc::clone(&self.params)
     }
+}
 
+#[derive(Debug)]
+pub struct SubscriptionParams {
+    rpc: Arc<OnlineClient<PolkadotConfig>>,
+    block_header: Arc<Mutex<Option<substrate::SubstrateHeader<u32, substrate::BlakeTwo256>>>>,
+    spec_version: Arc<Mutex<Option<u32>>>,
+}
+
+impl SubscriptionParams {
     async fn runtime_subscription(self: Arc<Self>, updater: ClientRuntimeUpdater<PolkadotConfig>) {
         let mut update_stream = updater.runtime_updates().await.unwrap();