Do not sync when configured with no seeding

grin/src/adapters.rs

@@ -239,7 +239,7 @@ impl NetToChainAdapter {
 	}
 
 	pub fn syncing(&self) -> bool {
-		self.syncer.borrow().syncing()
+		self.syncer.is_initialized() && self.syncer.borrow().syncing()
 	}
 
 	/// Prepare options for the chain pipeline

grin/src/server.rs

@@ -129,8 +129,10 @@ impl Server {
 			}
 		}
 
-		let sync = sync::Syncer::new(shared_chain.clone(), p2p_server.clone());
-		net_adapter.start_sync(sync);
+		if config.seeding_type != Seeding::None {
+			let sync = sync::Syncer::new(shared_chain.clone(), p2p_server.clone());
+			net_adapter.start_sync(sync);
+		}
 
 		evt_handle.spawn(p2p_server.start(evt_handle.clone()).map_err(|_| ()));
 

grin/src/types.rs

@@ -60,7 +60,7 @@ impl From<api::Error> for Error {
 }
 
 /// Type of seeding the server will use to find other peers on the network.
-#[derive(Debug, Clone, Serialize, Deserialize)]
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
 pub enum Seeding {
 	/// No seeding, mostly for tests that programmatically connect
 	None,

util/src/lib.rs

@@ -73,6 +73,11 @@ impl<T> OneTime<T> {
 		*inner_mut = Some(value);
 	}
 
+	pub fn is_initialized(&self) -> bool {
+		let inner = self.inner.borrow();
+		inner.is_some()
+	}
+
 	/// Borrows the OneTime, should only be called after initialization.
 	pub fn borrow(&self) -> Ref<T> {
 		Ref::map(self.inner.borrow(), |o| o.as_ref().unwrap())